diff options
Diffstat (limited to 'builtin')
105 files changed, 19292 insertions, 6319 deletions
diff --git a/builtin/add.c b/builtin/add.c index dd18e5c9b6..17528e8f92 100644 --- a/builtin/add.c +++ b/builtin/add.c @@ -18,8 +18,9 @@ #include "diffcore.h" #include "revision.h" #include "bulk-checkin.h" -#include "argv-array.h" +#include "strvec.h" #include "submodule.h" +#include "add-interactive.h" static const char * const builtin_add_usage[] = { N_("git add [<options>] [--] <pathspec>..."), @@ -28,25 +29,39 @@ static const char * const builtin_add_usage[] = { static int patch_interactive, add_interactive, edit_interactive; static int take_worktree_changes; static int add_renormalize; +static int pathspec_file_nul; +static const char *pathspec_from_file; +static int legacy_stash_p; /* support for the scripted `git stash` */ struct update_callback_data { int flags; int add_errors; }; -static void chmod_pathspec(struct pathspec *pathspec, char flip) +static int chmod_pathspec(struct pathspec *pathspec, char flip, int show_only) { - int i; + int i, ret = 0; for (i = 0; i < active_nr; i++) { struct cache_entry *ce = active_cache[i]; + int err; + + if (ce_skip_worktree(ce)) + continue; if (pathspec && !ce_path_match(&the_index, ce, pathspec, NULL)) continue; - if (chmod_cache_entry(ce, flip) < 0) - fprintf(stderr, "cannot chmod %cx '%s'\n", flip, ce->name); + if (!show_only) + err = chmod_cache_entry(ce, flip); + else + err = S_ISREG(ce->ce_mode) ? 0 : -1; + + if (err < 0) + ret = error(_("cannot chmod %cx '%s'"), flip, ce->name); } + + return ret; } static int fix_unmerged_status(struct diff_filepair *p, @@ -132,6 +147,8 @@ static int renormalize_tracked_files(const struct pathspec *pathspec, int flags) for (i = 0; i < active_nr; i++) { struct cache_entry *ce = active_cache[i]; + if (ce_skip_worktree(ce)) + continue; if (ce_stage(ce)) continue; /* do not touch unmerged paths */ if (!S_ISREG(ce->ce_mode) && !S_ISLNK(ce->ce_mode)) @@ -160,48 +177,110 @@ static char *prune_directory(struct dir_struct *dir, struct pathspec *pathspec, *dst++ = entry; } dir->nr = dst - dir->entries; - add_pathspec_matches_against_index(pathspec, &the_index, seen); + add_pathspec_matches_against_index(pathspec, &the_index, seen, + PS_IGNORE_SKIP_WORKTREE); return seen; } -static void refresh(int verbose, const struct pathspec *pathspec) +static int refresh(int verbose, const struct pathspec *pathspec) { char *seen; - int i; + int i, ret = 0; + char *skip_worktree_seen = NULL; + struct string_list only_match_skip_worktree = STRING_LIST_INIT_NODUP; + int flags = REFRESH_IGNORE_SKIP_WORKTREE | + (verbose ? REFRESH_IN_PORCELAIN : REFRESH_QUIET); + struct pattern_list pl = { 0 }; + int sparse_checkout_enabled = !get_sparse_checkout_patterns(&pl); seen = xcalloc(pathspec->nr, 1); - refresh_index(&the_index, verbose ? REFRESH_IN_PORCELAIN : REFRESH_QUIET, - pathspec, seen, _("Unstaged changes after refreshing the index:")); + refresh_index(&the_index, flags, pathspec, seen, + _("Unstaged changes after refreshing the index:")); for (i = 0; i < pathspec->nr; i++) { - if (!seen[i]) - die(_("pathspec '%s' did not match any files"), - pathspec->items[i].match); + if (!seen[i]) { + const char *path = pathspec->items[i].original; + int dtype = DT_REG; + + if (matches_skip_worktree(pathspec, i, &skip_worktree_seen) || + (sparse_checkout_enabled && + !path_matches_pattern_list(path, strlen(path), NULL, + &dtype, &pl, &the_index))) { + string_list_append(&only_match_skip_worktree, + pathspec->items[i].original); + } else { + die(_("pathspec '%s' did not match any files"), + pathspec->items[i].original); + } + } } + + if (only_match_skip_worktree.nr) { + advise_on_updating_sparse_paths(&only_match_skip_worktree); + ret = 1; + } + free(seen); + free(skip_worktree_seen); + string_list_clear(&only_match_skip_worktree, 0); + return ret; } int run_add_interactive(const char *revision, const char *patch_mode, const struct pathspec *pathspec) { int status, i; - struct argv_array argv = ARGV_ARRAY_INIT; + struct strvec argv = STRVEC_INIT; + int use_builtin_add_i = + git_env_bool("GIT_TEST_ADD_I_USE_BUILTIN", -1); + + if (use_builtin_add_i < 0) { + int experimental; + if (!git_config_get_bool("add.interactive.usebuiltin", + &use_builtin_add_i)) + ; /* ok */ + else if (!git_config_get_bool("feature.experimental", &experimental) && + experimental) + use_builtin_add_i = 1; + } - argv_array_push(&argv, "add--interactive"); + if (use_builtin_add_i == 1) { + enum add_p_mode mode; + + if (!patch_mode) + return !!run_add_i(the_repository, pathspec); + + if (!strcmp(patch_mode, "--patch")) + mode = ADD_P_ADD; + else if (!strcmp(patch_mode, "--patch=stash")) + mode = ADD_P_STASH; + else if (!strcmp(patch_mode, "--patch=reset")) + mode = ADD_P_RESET; + else if (!strcmp(patch_mode, "--patch=checkout")) + mode = ADD_P_CHECKOUT; + else if (!strcmp(patch_mode, "--patch=worktree")) + mode = ADD_P_WORKTREE; + else + die("'%s' not supported", patch_mode); + + return !!run_add_p(the_repository, mode, revision, pathspec); + } + + strvec_push(&argv, "add--interactive"); if (patch_mode) - argv_array_push(&argv, patch_mode); + strvec_push(&argv, patch_mode); if (revision) - argv_array_push(&argv, revision); - argv_array_push(&argv, "--"); + strvec_push(&argv, revision); + strvec_push(&argv, "--"); for (i = 0; i < pathspec->nr; i++) /* pass original pathspec, to be re-parsed */ - argv_array_push(&argv, pathspec->items[i].original); + strvec_push(&argv, pathspec->items[i].original); - status = run_command_v_opt(argv.argv, RUN_GIT_CMD); - argv_array_clear(&argv); + status = run_command_v_opt(argv.v, RUN_GIT_CMD); + strvec_clear(&argv); return status; } -int interactive_add(int argc, const char **argv, const char *prefix, int patch) +int interactive_add(const char **argv, const char *prefix, int patch) { struct pathspec pathspec; @@ -298,10 +377,10 @@ static struct option builtin_add_options[] = { OPT_BOOL(0, "renormalize", &add_renormalize, N_("renormalize EOL of tracked files (implies -u)")), OPT_BOOL('N', "intent-to-add", &intent_to_add, N_("record only the fact that the path will be added later")), OPT_BOOL('A', "all", &addremove_explicit, N_("add changes from all tracked and untracked files")), - { OPTION_CALLBACK, 0, "ignore-removal", &addremove_explicit, + OPT_CALLBACK_F(0, "ignore-removal", &addremove_explicit, NULL /* takes no arguments */, N_("ignore paths removed in the working tree (same as --no-all)"), - PARSE_OPT_NOARG, ignore_removal_cb }, + PARSE_OPT_NOARG, ignore_removal_cb), OPT_BOOL( 0 , "refresh", &refresh_only, N_("don't add, only refresh the index")), OPT_BOOL( 0 , "ignore-errors", &ignore_add_errors, N_("just skip files which cannot be added because of errors")), OPT_BOOL( 0 , "ignore-missing", &ignore_missing, N_("check if - even missing - files are ignored in dry run")), @@ -309,6 +388,10 @@ static struct option builtin_add_options[] = { N_("override the executable bit of the listed files")), OPT_HIDDEN_BOOL(0, "warn-embedded-repo", &warn_on_embedded_repo, N_("warn when adding an embedded repository")), + OPT_HIDDEN_BOOL(0, "legacy-stash-p", &legacy_stash_p, + N_("backend for `git stash -p`")), + OPT_PATHSPEC_FROM_FILE(&pathspec_from_file), + OPT_PATHSPEC_FILE_NUL(&pathspec_file_nul), OPT_END(), }; @@ -319,6 +402,7 @@ static int add_config(const char *var, const char *value, void *cb) ignore_add_errors = git_config_bool(var, value); return 0; } + return git_default_config(var, value, cb); } @@ -369,7 +453,10 @@ static int add_files(struct dir_struct *dir, int flags) fprintf(stderr, _(ignore_error)); for (i = 0; i < dir->ignored_nr; i++) fprintf(stderr, "%s\n", dir->ignored[i]->name); - fprintf(stderr, _("Use -f if you really want to add them.\n")); + if (advice_add_ignored_file) + advise(_("Use -f if you really want to add them.\n" + "Turn this message off by running\n" + "\"git config advice.addIgnoredFile false\"")); exit_status = 1; } @@ -389,7 +476,7 @@ int cmd_add(int argc, const char **argv, const char *prefix) { int exit_status = 0; struct pathspec pathspec; - struct dir_struct dir; + struct dir_struct dir = DIR_INIT; int flags; int add_new_files; int require_pathspec; @@ -402,11 +489,30 @@ int cmd_add(int argc, const char **argv, const char *prefix) builtin_add_usage, PARSE_OPT_KEEP_ARGV0); if (patch_interactive) add_interactive = 1; - if (add_interactive) - exit(interactive_add(argc - 1, argv + 1, prefix, patch_interactive)); + if (add_interactive) { + if (show_only) + die(_("--dry-run is incompatible with --interactive/--patch")); + if (pathspec_from_file) + die(_("--pathspec-from-file is incompatible with --interactive/--patch")); + exit(interactive_add(argv + 1, prefix, patch_interactive)); + } + if (legacy_stash_p) { + struct pathspec pathspec; - if (edit_interactive) + parse_pathspec(&pathspec, 0, + PATHSPEC_PREFER_FULL | + PATHSPEC_SYMLINK_LEADING_PATH | + PATHSPEC_PREFIX_ORIGIN, + prefix, argv); + + return run_add_interactive(NULL, "--patch=stash", &pathspec); + } + + if (edit_interactive) { + if (pathspec_from_file) + die(_("--pathspec-from-file is incompatible with --edit")); return(edit_patch(argc, argv, prefix)); + } argc--; argv++; @@ -418,10 +524,6 @@ int cmd_add(int argc, const char **argv, const char *prefix) if (addremove && take_worktree_changes) die(_("-A and -u are mutually incompatible")); - if (!take_worktree_changes && addremove_explicit < 0 && argc) - /* Turn "git add pathspec..." to "git add -A pathspec..." */ - addremove = 1; - if (!show_only && ignore_missing) die(_("Option --ignore-missing can only be used together with --dry-run")); @@ -432,20 +534,10 @@ int cmd_add(int argc, const char **argv, const char *prefix) add_new_files = !take_worktree_changes && !refresh_only && !add_renormalize; require_pathspec = !(take_worktree_changes || (0 < addremove_explicit)); - hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); - - flags = ((verbose ? ADD_CACHE_VERBOSE : 0) | - (show_only ? ADD_CACHE_PRETEND : 0) | - (intent_to_add ? ADD_CACHE_INTENT : 0) | - (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0) | - (!(addremove || take_worktree_changes) - ? ADD_CACHE_IGNORE_REMOVAL : 0)); + prepare_repo_settings(the_repository); + the_repository->settings.command_requires_full_index = 0; - if (require_pathspec && argc == 0) { - fprintf(stderr, _("Nothing specified, nothing added.\n")); - fprintf(stderr, _("Maybe you wanted to say 'git add .'?\n")); - return 0; - } + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); /* * Check the "pathspec '%s' did not match any files" block @@ -456,6 +548,38 @@ int cmd_add(int argc, const char **argv, const char *prefix) PATHSPEC_SYMLINK_LEADING_PATH, prefix, argv); + if (pathspec_from_file) { + if (pathspec.nr) + die(_("--pathspec-from-file is incompatible with pathspec arguments")); + + parse_pathspec_file(&pathspec, PATHSPEC_ATTR, + PATHSPEC_PREFER_FULL | + PATHSPEC_SYMLINK_LEADING_PATH, + prefix, pathspec_from_file, pathspec_file_nul); + } else if (pathspec_file_nul) { + die(_("--pathspec-file-nul requires --pathspec-from-file")); + } + + if (require_pathspec && pathspec.nr == 0) { + fprintf(stderr, _("Nothing specified, nothing added.\n")); + if (advice_add_empty_pathspec) + advise( _("Maybe you wanted to say 'git add .'?\n" + "Turn this message off by running\n" + "\"git config advice.addEmptyPathspec false\"")); + return 0; + } + + if (!take_worktree_changes && addremove_explicit < 0 && pathspec.nr) + /* Turn "git add pathspec..." to "git add -A pathspec..." */ + addremove = 1; + + flags = ((verbose ? ADD_CACHE_VERBOSE : 0) | + (show_only ? ADD_CACHE_PRETEND : 0) | + (intent_to_add ? ADD_CACHE_INTENT : 0) | + (ignore_add_errors ? ADD_CACHE_IGNORE_ERRORS : 0) | + (!(addremove || take_worktree_changes) + ? ADD_CACHE_IGNORE_REMOVAL : 0)); + if (read_cache_preload(&pathspec) < 0) die(_("index file corrupt")); @@ -466,7 +590,6 @@ int cmd_add(int argc, const char **argv, const char *prefix) int baselen; /* Set up the default git porcelain excludes */ - memset(&dir, 0, sizeof(dir)); if (!ignored_too) { dir.flags |= DIR_COLLECT_IGNORED; setup_standard_excludes(&dir); @@ -479,15 +602,18 @@ int cmd_add(int argc, const char **argv, const char *prefix) } if (refresh_only) { - refresh(verbose, &pathspec); + exit_status |= refresh(verbose, &pathspec); goto finish; } if (pathspec.nr) { int i; + char *skip_worktree_seen = NULL; + struct string_list only_match_skip_worktree = STRING_LIST_INIT_NODUP; if (!seen) - seen = find_pathspecs_matching_against_index(&pathspec, &the_index); + seen = find_pathspecs_matching_against_index(&pathspec, + &the_index, PS_IGNORE_SKIP_WORKTREE); /* * file_exists() assumes exact match @@ -501,12 +627,24 @@ int cmd_add(int argc, const char **argv, const char *prefix) for (i = 0; i < pathspec.nr; i++) { const char *path = pathspec.items[i].match; + if (pathspec.items[i].magic & PATHSPEC_EXCLUDE) continue; - if (!seen[i] && path[0] && - ((pathspec.items[i].magic & - (PATHSPEC_GLOB | PATHSPEC_ICASE)) || - !file_exists(path))) { + if (seen[i]) + continue; + + if (matches_skip_worktree(&pathspec, i, &skip_worktree_seen)) { + string_list_append(&only_match_skip_worktree, + pathspec.items[i].original); + continue; + } + + /* Don't complain at 'git add .' on empty repo */ + if (!path[0]) + continue; + + if ((pathspec.items[i].magic & (PATHSPEC_GLOB | PATHSPEC_ICASE)) || + !file_exists(path)) { if (ignore_missing) { int dtype = DT_UNKNOWN; if (is_excluded(&dir, &the_index, path, &dtype)) @@ -517,7 +655,16 @@ int cmd_add(int argc, const char **argv, const char *prefix) pathspec.items[i].original); } } + + + if (only_match_skip_worktree.nr) { + advise_on_updating_sparse_paths(&only_match_skip_worktree); + exit_status = 1; + } + free(seen); + free(skip_worktree_seen); + string_list_clear(&only_match_skip_worktree, 0); } plug_bulk_checkin(); @@ -531,7 +678,7 @@ int cmd_add(int argc, const char **argv, const char *prefix) exit_status |= add_files(&dir, flags); if (chmod_arg && pathspec.nr) - chmod_pathspec(&pathspec, chmod_arg[0]); + exit_status |= chmod_pathspec(&pathspec, chmod_arg[0], show_only); unplug_bulk_checkin(); finish: @@ -539,7 +686,7 @@ finish: COMMIT_LOCK | SKIP_IF_UNCHANGED)) die(_("Unable to write new index file")); + dir_clear(&dir); UNLEAK(pathspec); - UNLEAK(dir); return exit_status; } diff --git a/builtin/am.c b/builtin/am.c index 252e37ddf0..0c2ad96b70 100644 --- a/builtin/am.c +++ b/builtin/am.c @@ -24,7 +24,6 @@ #include "sequencer.h" #include "revision.h" #include "merge-recursive.h" -#include "revision.h" #include "log-tree.h" #include "notes-utils.h" #include "rerere.h" @@ -82,6 +81,11 @@ enum signoff_type { SIGNOFF_EXPLICIT /* --signoff was set on the command-line */ }; +enum show_patch_type { + SHOW_PATCH_RAW = 0, + SHOW_PATCH_DIFF = 1, +}; + struct am_state { /* state directory path */ char *dir; @@ -112,7 +116,8 @@ struct am_state { int keep; /* enum keep_type */ int message_id; int scissors; /* enum scissors_type */ - struct argv_array git_apply_opts; + int quoted_cr; /* enum quoted_cr_action */ + struct strvec git_apply_opts; const char *resolvemsg; int committer_date_is_author_date; int ignore_date; @@ -141,8 +146,9 @@ static void am_state_init(struct am_state *state) git_config_get_bool("am.messageid", &state->message_id); state->scissors = SCISSORS_UNSET; + state->quoted_cr = quoted_cr_unset; - argv_array_init(&state->git_apply_opts); + strvec_init(&state->git_apply_opts); if (!git_config_get_bool("commit.gpgsign", &gpgsign)) state->sign_commit = gpgsign ? "" : NULL; @@ -158,7 +164,17 @@ static void am_state_release(struct am_state *state) free(state->author_email); free(state->author_date); free(state->msg); - argv_array_clear(&state->git_apply_opts); + strvec_clear(&state->git_apply_opts); +} + +static int am_option_parse_quoted_cr(const struct option *opt, + const char *arg, int unset) +{ + BUG_ON_OPT_NEG(unset); + + if (mailinfo_parse_quoted_cr_action(arg, opt->value) != 0) + return error(_("bad action '%s' for '%s'"), arg, "--quoted-cr"); + return 0; } /** @@ -194,6 +210,7 @@ static void write_state_bool(const struct am_state *state, * If state->quiet is false, calls fprintf(fp, fmt, ...), and appends a newline * at the end. */ +__attribute__((format (printf, 3, 4))) static void say(const struct am_state *state, FILE *fp, const char *fmt, ...) { va_list ap; @@ -393,9 +410,15 @@ static void am_load(struct am_state *state) else state->scissors = SCISSORS_UNSET; + read_state_file(&sb, state, "quoted-cr", 1); + if (!*sb.buf) + state->quoted_cr = quoted_cr_unset; + else if (mailinfo_parse_quoted_cr_action(sb.buf, &state->quoted_cr) != 0) + die(_("could not parse %s"), am_path(state, "quoted-cr")); + read_state_file(&sb, state, "apply-opt", 1); - argv_array_clear(&state->git_apply_opts); - if (sq_dequote_to_argv_array(sb.buf, &state->git_apply_opts) < 0) + strvec_clear(&state->git_apply_opts); + if (sq_dequote_to_strvec(sb.buf, &state->git_apply_opts) < 0) die(_("could not parse %s"), am_path(state, "apply-opt")); state->rebasing = !!file_exists(am_path(state, "rebasing")); @@ -448,8 +471,8 @@ static int run_post_rewrite_hook(const struct am_state *state) if (!hook) return 0; - argv_array_push(&cp.args, hook); - argv_array_push(&cp.args, "rebase"); + strvec_push(&cp.args, hook); + strvec_push(&cp.args, "rebase"); cp.in = xopen(am_path(state, "rewritten"), O_RDONLY); cp.stdout_to_stderr = 1; @@ -647,16 +670,16 @@ static int split_mail_mbox(struct am_state *state, const char **paths, int ret; cp.git_cmd = 1; - argv_array_push(&cp.args, "mailsplit"); - argv_array_pushf(&cp.args, "-d%d", state->prec); - argv_array_pushf(&cp.args, "-o%s", state->dir); - argv_array_push(&cp.args, "-b"); + strvec_push(&cp.args, "mailsplit"); + strvec_pushf(&cp.args, "-d%d", state->prec); + strvec_pushf(&cp.args, "-o%s", state->dir); + strvec_push(&cp.args, "-b"); if (keep_cr) - argv_array_push(&cp.args, "--keep-cr"); + strvec_push(&cp.args, "--keep-cr"); if (mboxrd) - argv_array_push(&cp.args, "--mboxrd"); - argv_array_push(&cp.args, "--"); - argv_array_pushv(&cp.args, paths); + strvec_push(&cp.args, "--mboxrd"); + strvec_push(&cp.args, "--"); + strvec_pushv(&cp.args, paths); ret = capture_command(&cp, &last, 8); if (ret) @@ -783,7 +806,7 @@ static int split_mail_stgit_series(struct am_state *state, const char **paths, const char *series_dir; char *series_dir_buf; FILE *fp; - struct argv_array patches = ARGV_ARRAY_INIT; + struct strvec patches = STRVEC_INIT; struct strbuf sb = STRBUF_INIT; int ret; @@ -801,16 +824,16 @@ static int split_mail_stgit_series(struct am_state *state, const char **paths, if (*sb.buf == '#') continue; /* skip comment lines */ - argv_array_push(&patches, mkpath("%s/%s", series_dir, sb.buf)); + strvec_push(&patches, mkpath("%s/%s", series_dir, sb.buf)); } fclose(fp); strbuf_release(&sb); free(series_dir_buf); - ret = split_mail_conv(stgit_patch_to_mail, state, patches.argv, keep_cr); + ret = split_mail_conv(stgit_patch_to_mail, state, patches.v, keep_cr); - argv_array_clear(&patches); + strvec_clear(&patches); return ret; } @@ -998,7 +1021,25 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, } write_state_text(state, "scissors", str); - sq_quote_argv(&sb, state->git_apply_opts.argv); + switch (state->quoted_cr) { + case quoted_cr_unset: + str = ""; + break; + case quoted_cr_nowarn: + str = "nowarn"; + break; + case quoted_cr_warn: + str = "warn"; + break; + case quoted_cr_strip: + str = "strip"; + break; + default: + BUG("invalid value for state->quoted_cr"); + } + write_state_text(state, "quoted-cr", str); + + sq_quote_argv(&sb, state->git_apply_opts.v); write_state_text(state, "apply-opt", sb.buf); if (state->rebasing) @@ -1072,19 +1113,6 @@ static const char *msgnum(const struct am_state *state) } /** - * Refresh and write index. - */ -static void refresh_and_write_cache(void) -{ - struct lock_file lock_file = LOCK_INIT; - - hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); - refresh_cache(REFRESH_QUIET); - if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) - die(_("unable to write index file")); -} - -/** * Dies with a user-friendly message on how to proceed after resolving the * problem. This message can be overridden with state->resolvemsg. */ @@ -1171,6 +1199,18 @@ static int parse_mail(struct am_state *state, const char *mail) BUG("invalid value for state->scissors"); } + switch (state->quoted_cr) { + case quoted_cr_unset: + break; + case quoted_cr_nowarn: + case quoted_cr_warn: + case quoted_cr_strip: + mi.quoted_cr = state->quoted_cr; + break; + default: + BUG("invalid value for state->quoted_cr"); + } + mi.input = xfopen(mail, "r"); mi.output = xfopen(am_path(state, "info"), "w"); if (mailinfo(&mi, am_path(state, "msg"), am_path(state, "patch"))) @@ -1272,7 +1312,9 @@ static void get_commit_info(struct am_state *state, struct commit *commit) buffer = logmsg_reencode(commit, NULL, get_commit_output_encoding()); ident_line = find_commit_header(buffer, "author", &ident_len); - + if (!ident_line) + die(_("missing author line in commit %s"), + oid_to_hex(&commit->object.oid)); if (split_ident_line(&id, ident_line, ident_len) < 0) die(_("invalid ident line: %.*s"), (int)ident_len, ident_line); @@ -1397,8 +1439,8 @@ static int parse_mail_rebase(struct am_state *state, const char *mail) */ static int run_apply(const struct am_state *state, const char *index_file) { - struct argv_array apply_paths = ARGV_ARRAY_INIT; - struct argv_array apply_opts = ARGV_ARRAY_INIT; + struct strvec apply_paths = STRVEC_INIT; + struct strvec apply_opts = STRVEC_INIT; struct apply_state apply_state; int res, opts_left; int force_apply = 0; @@ -1407,10 +1449,10 @@ static int run_apply(const struct am_state *state, const char *index_file) if (init_apply_state(&apply_state, the_repository, NULL)) BUG("init_apply_state() failed"); - argv_array_push(&apply_opts, "apply"); - argv_array_pushv(&apply_opts, state->git_apply_opts.argv); + strvec_push(&apply_opts, "apply"); + strvec_pushv(&apply_opts, state->git_apply_opts.v); - opts_left = apply_parse_options(apply_opts.argc, apply_opts.argv, + opts_left = apply_parse_options(apply_opts.nr, apply_opts.v, &apply_state, &force_apply, &options, NULL); @@ -1433,12 +1475,12 @@ static int run_apply(const struct am_state *state, const char *index_file) if (check_apply_state(&apply_state, force_apply)) BUG("check_apply_state() failed"); - argv_array_push(&apply_paths, am_path(state, "patch")); + strvec_push(&apply_paths, am_path(state, "patch")); - res = apply_all_patches(&apply_state, apply_paths.argc, apply_paths.argv, options); + res = apply_all_patches(&apply_state, apply_paths.nr, apply_paths.v, options); - argv_array_clear(&apply_paths); - argv_array_clear(&apply_opts); + strvec_clear(&apply_paths); + strvec_clear(&apply_opts); clear_apply_state(&apply_state); if (res) @@ -1461,10 +1503,10 @@ static int build_fake_ancestor(const struct am_state *state, const char *index_f struct child_process cp = CHILD_PROCESS_INIT; cp.git_cmd = 1; - argv_array_push(&cp.args, "apply"); - argv_array_pushv(&cp.args, state->git_apply_opts.argv); - argv_array_pushf(&cp.args, "--build-fake-ancestor=%s", index_file); - argv_array_push(&cp.args, am_path(state, "patch")); + strvec_push(&cp.args, "apply"); + strvec_pushv(&cp.args, state->git_apply_opts.v); + strvec_pushf(&cp.args, "--build-fake-ancestor=%s", index_file); + strvec_push(&cp.args, am_path(state, "patch")); if (run_command(&cp)) return -1; @@ -1538,7 +1580,7 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa o.branch1 = "HEAD"; their_tree_name = xstrfmt("%.*s", linelen(state->msg), state->msg); o.branch2 = their_tree_name; - o.detect_directory_renames = 0; + o.detect_directory_renames = MERGE_DIRECTORY_RENAMES_NONE; if (state->quiet) o.verbosity = 0; @@ -1563,7 +1605,7 @@ static void do_commit(const struct am_state *state) struct object_id tree, parent, commit; const struct object_id *old_oid; struct commit_list *parents = NULL; - const char *reflog_msg, *author; + const char *reflog_msg, *author, *committer = NULL; struct strbuf sb = STRBUF_INIT; if (run_hook_le(NULL, "pre-applypatch", NULL)) @@ -1587,11 +1629,16 @@ static void do_commit(const struct am_state *state) IDENT_STRICT); if (state->committer_date_is_author_date) - setenv("GIT_COMMITTER_DATE", - state->ignore_date ? "" : state->author_date, 1); - - if (commit_tree(state->msg, state->msg_len, &tree, parents, &commit, - author, state->sign_commit)) + committer = fmt_ident(getenv("GIT_COMMITTER_NAME"), + getenv("GIT_COMMITTER_EMAIL"), + WANT_COMMITTER_IDENT, + state->ignore_date ? NULL + : state->author_date, + IDENT_STRICT); + + if (commit_tree_extended(state->msg, state->msg_len, &tree, parents, + &commit, author, committer, state->sign_commit, + NULL)) die(_("failed to write commit object")); reflog_msg = getenv("GIT_REFLOG_ACTION"); @@ -1683,7 +1730,7 @@ static int do_interactive(struct am_state *state) if (!pager) pager = "cat"; prepare_pager_args(&cp, pager); - argv_array_push(&cp.args, am_path(state, "patch")); + strvec_push(&cp.args, am_path(state, "patch")); run_command(&cp); } } @@ -1698,12 +1745,12 @@ static int do_interactive(struct am_state *state) */ static void am_run(struct am_state *state, int resume) { - const char *argv_gc_auto[] = {"gc", "--auto", NULL}; struct strbuf sb = STRBUF_INIT; unlink(am_path(state, "dirtyindex")); - refresh_and_write_cache(); + if (refresh_and_write_cache(REFRESH_QUIET, 0, 0) < 0) + die(_("unable to write index file")); if (repo_index_has_changes(the_repository, NULL, &sb)) { write_state_bool(state, "dirtyindex", 1); @@ -1774,7 +1821,7 @@ static void am_run(struct am_state *state, int resume) linelen(state->msg), state->msg); if (advice_amworkdir) - advise(_("Use 'git am --show-current-patch' to see the failed patch")); + advise(_("Use 'git am --show-current-patch=diff' to see the failed patch")); die_user_resolve(state); } @@ -1802,7 +1849,7 @@ next: if (!state->rebasing) { am_destroy(state); close_object_store(the_repository->objects); - run_command_v_opt(argv_gc_auto, RUN_GIT_CMD); + run_auto_maintenance(state->quiet); } } @@ -1956,7 +2003,7 @@ static int clean_index(const struct object_id *head, const struct object_id *rem if (merge_tree(remote_tree)) return -1; - remove_branch_state(the_repository); + remove_branch_state(the_repository, 0); return 0; } @@ -2072,7 +2119,7 @@ static void am_abort(struct am_state *state) am_destroy(state); } -static int show_patch(struct am_state *state) +static int show_patch(struct am_state *state, enum show_patch_type sub_mode) { struct strbuf sb = STRBUF_INIT; const char *patch_path; @@ -2089,7 +2136,17 @@ static int show_patch(struct am_state *state) return ret; } - patch_path = am_path(state, msgnum(state)); + switch (sub_mode) { + case SHOW_PATCH_RAW: + patch_path = am_path(state, msgnum(state)); + break; + case SHOW_PATCH_DIFF: + patch_path = am_path(state, "patch"); + break; + default: + BUG("invalid mode for --show-current-patch"); + } + len = strbuf_read_file(&sb, patch_path, 0); if (len < 0) die_errno(_("failed to read '%s'"), patch_path); @@ -2129,7 +2186,7 @@ static int parse_opt_patchformat(const struct option *opt, const char *arg, int return 0; } -enum resume_mode { +enum resume_type { RESUME_FALSE = 0, RESUME_APPLY, RESUME_RESOLVED, @@ -2139,6 +2196,47 @@ enum resume_mode { RESUME_SHOW_PATCH }; +struct resume_mode { + enum resume_type mode; + enum show_patch_type sub_mode; +}; + +static int parse_opt_show_current_patch(const struct option *opt, const char *arg, int unset) +{ + int *opt_value = opt->value; + struct resume_mode *resume = container_of(opt_value, struct resume_mode, mode); + + /* + * Please update $__git_showcurrentpatch in git-completion.bash + * when you add new options + */ + const char *valid_modes[] = { + [SHOW_PATCH_DIFF] = "diff", + [SHOW_PATCH_RAW] = "raw" + }; + int new_value = SHOW_PATCH_RAW; + + BUG_ON_OPT_NEG(unset); + + if (arg) { + for (new_value = 0; new_value < ARRAY_SIZE(valid_modes); new_value++) { + if (!strcmp(arg, valid_modes[new_value])) + break; + } + if (new_value >= ARRAY_SIZE(valid_modes)) + return error(_("Invalid value for --show-current-patch: %s"), arg); + } + + if (resume->mode == RESUME_SHOW_PATCH && new_value != resume->sub_mode) + return error(_("--show-current-patch=%s is incompatible with " + "--show-current-patch=%s"), + arg, valid_modes[resume->sub_mode]); + + resume->mode = RESUME_SHOW_PATCH; + resume->sub_mode = new_value; + return 0; +} + static int git_am_config(const char *k, const char *v, void *cb) { int status; @@ -2156,7 +2254,7 @@ int cmd_am(int argc, const char **argv, const char *prefix) int binary = -1; int keep_cr = -1; int patch_format = PATCH_FORMAT_UNKNOWN; - enum resume_mode resume = RESUME_FALSE; + struct resume_mode resume = { .mode = RESUME_FALSE }; int in_progress; int ret = 0; @@ -2175,7 +2273,7 @@ int cmd_am(int argc, const char **argv, const char *prefix) N_("allow fall back on 3way merging if needed")), OPT__QUIET(&state.quiet, N_("be quiet")), OPT_SET_INT('s', "signoff", &state.signoff, - N_("add a Signed-off-by line to the commit message"), + N_("add a Signed-off-by trailer to the commit message"), SIGNOFF_EXPLICIT), OPT_BOOL('u', "utf8", &state.utf8, N_("recode into utf8 (default)")), @@ -2193,6 +2291,9 @@ int cmd_am(int argc, const char **argv, const char *prefix) 0, PARSE_OPT_NONEG), OPT_BOOL('c', "scissors", &state.scissors, N_("strip everything before a scissors line")), + OPT_CALLBACK_F(0, "quoted-cr", &state.quoted_cr, N_("action"), + N_("pass it through git-mailinfo"), + PARSE_OPT_NONEG, am_option_parse_quoted_cr), OPT_PASSTHRU_ARGV(0, "whitespace", &state.git_apply_opts, N_("action"), N_("pass it through git-apply"), 0), @@ -2225,24 +2326,26 @@ int cmd_am(int argc, const char **argv, const char *prefix) PARSE_OPT_NOARG), OPT_STRING(0, "resolvemsg", &state.resolvemsg, NULL, N_("override error message when patch failure occurs")), - OPT_CMDMODE(0, "continue", &resume, + OPT_CMDMODE(0, "continue", &resume.mode, N_("continue applying patches after resolving a conflict"), RESUME_RESOLVED), - OPT_CMDMODE('r', "resolved", &resume, + OPT_CMDMODE('r', "resolved", &resume.mode, N_("synonyms for --continue"), RESUME_RESOLVED), - OPT_CMDMODE(0, "skip", &resume, + OPT_CMDMODE(0, "skip", &resume.mode, N_("skip the current patch"), RESUME_SKIP), - OPT_CMDMODE(0, "abort", &resume, - N_("restore the original branch and abort the patching operation."), + OPT_CMDMODE(0, "abort", &resume.mode, + N_("restore the original branch and abort the patching operation"), RESUME_ABORT), - OPT_CMDMODE(0, "quit", &resume, - N_("abort the patching operation but keep HEAD where it is."), + OPT_CMDMODE(0, "quit", &resume.mode, + N_("abort the patching operation but keep HEAD where it is"), RESUME_QUIT), - OPT_CMDMODE(0, "show-current-patch", &resume, - N_("show the patch being applied."), - RESUME_SHOW_PATCH), + { OPTION_CALLBACK, 0, "show-current-patch", &resume.mode, + "(diff|raw)", + N_("show the patch being applied"), + PARSE_OPT_CMDMODE | PARSE_OPT_OPTARG | PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP, + parse_opt_show_current_patch, RESUME_SHOW_PATCH }, OPT_BOOL(0, "committer-date-is-author-date", &state.committer_date_is_author_date, N_("lie about committer date")), @@ -2292,17 +2395,17 @@ int cmd_am(int argc, const char **argv, const char *prefix) * intend to feed us a patch but wanted to continue * unattended. */ - if (argc || (resume == RESUME_FALSE && !isatty(0))) + if (argc || (resume.mode == RESUME_FALSE && !isatty(0))) die(_("previous rebase directory %s still exists but mbox given."), state.dir); - if (resume == RESUME_FALSE) - resume = RESUME_APPLY; + if (resume.mode == RESUME_FALSE) + resume.mode = RESUME_APPLY; if (state.signoff == SIGNOFF_EXPLICIT) am_append_signoff(&state); } else { - struct argv_array paths = ARGV_ARRAY_INIT; + struct strvec paths = STRVEC_INIT; int i; /* @@ -2311,7 +2414,7 @@ int cmd_am(int argc, const char **argv, const char *prefix) * stray directories. */ if (file_exists(state.dir) && !state.rebasing) { - if (resume == RESUME_ABORT || resume == RESUME_QUIT) { + if (resume.mode == RESUME_ABORT || resume.mode == RESUME_QUIT) { am_destroy(&state); am_state_release(&state); return 0; @@ -2322,25 +2425,25 @@ int cmd_am(int argc, const char **argv, const char *prefix) state.dir); } - if (resume) + if (resume.mode) die(_("Resolve operation not in progress, we are not resuming.")); for (i = 0; i < argc; i++) { if (is_absolute_path(argv[i]) || !prefix) - argv_array_push(&paths, argv[i]); + strvec_push(&paths, argv[i]); else - argv_array_push(&paths, mkpath("%s/%s", prefix, argv[i])); + strvec_push(&paths, mkpath("%s/%s", prefix, argv[i])); } - if (state.interactive && !paths.argc) + if (state.interactive && !paths.nr) die(_("interactive mode requires patches on the command line")); - am_setup(&state, patch_format, paths.argv, keep_cr); + am_setup(&state, patch_format, paths.v, keep_cr); - argv_array_clear(&paths); + strvec_clear(&paths); } - switch (resume) { + switch (resume.mode) { case RESUME_FALSE: am_run(&state, 0); break; @@ -2361,7 +2464,7 @@ int cmd_am(int argc, const char **argv, const char *prefix) am_destroy(&state); break; case RESUME_SHOW_PATCH: - ret = show_patch(&state); + ret = show_patch(&state, resume.sub_mode); break; default: BUG("invalid resume value"); diff --git a/builtin/annotate.c b/builtin/annotate.c index da413ae0d1..58ff977a23 100644 --- a/builtin/annotate.c +++ b/builtin/annotate.c @@ -5,18 +5,18 @@ */ #include "git-compat-util.h" #include "builtin.h" -#include "argv-array.h" +#include "strvec.h" int cmd_annotate(int argc, const char **argv, const char *prefix) { - struct argv_array args = ARGV_ARRAY_INIT; + struct strvec args = STRVEC_INIT; int i; - argv_array_pushl(&args, "annotate", "-c", NULL); + strvec_pushl(&args, "annotate", "-c", NULL); for (i = 1; i < argc; i++) { - argv_array_push(&args, argv[i]); + strvec_push(&args, argv[i]); } - return cmd_blame(args.argc, args.argv, prefix); + return cmd_blame(args.nr, args.v, prefix); } diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c index 1fbe156e67..f184eaeac6 100644 --- a/builtin/bisect--helper.c +++ b/builtin/bisect--helper.c @@ -4,34 +4,40 @@ #include "bisect.h" #include "refs.h" #include "dir.h" -#include "argv-array.h" +#include "strvec.h" #include "run-command.h" #include "prompt.h" #include "quote.h" +#include "revision.h" static GIT_PATH_FUNC(git_path_bisect_terms, "BISECT_TERMS") static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV") static GIT_PATH_FUNC(git_path_bisect_ancestors_ok, "BISECT_ANCESTORS_OK") static GIT_PATH_FUNC(git_path_bisect_start, "BISECT_START") -static GIT_PATH_FUNC(git_path_bisect_head, "BISECT_HEAD") static GIT_PATH_FUNC(git_path_bisect_log, "BISECT_LOG") static GIT_PATH_FUNC(git_path_head_name, "head-name") static GIT_PATH_FUNC(git_path_bisect_names, "BISECT_NAMES") +static GIT_PATH_FUNC(git_path_bisect_first_parent, "BISECT_FIRST_PARENT") static const char * const git_bisect_helper_usage[] = { - N_("git bisect--helper --next-all [--no-checkout]"), - N_("git bisect--helper --write-terms <bad_term> <good_term>"), - N_("git bisect--helper --bisect-clean-state"), N_("git bisect--helper --bisect-reset [<commit>]"), - N_("git bisect--helper --bisect-write [--no-log] <state> <revision> <good_term> <bad_term>"), - N_("git bisect--helper --bisect-check-and-set-terms <command> <good_term> <bad_term>"), N_("git bisect--helper --bisect-next-check <good_term> <bad_term> [<term>]"), N_("git bisect--helper --bisect-terms [--term-good | --term-old | --term-bad | --term-new]"), - N_("git bisect--helper --bisect-start [--term-{old,good}=<term> --term-{new,bad}=<term>]" - "[--no-checkout] [<bad> [<good>...]] [--] [<paths>...]"), + N_("git bisect--helper --bisect-start [--term-{new,bad}=<term> --term-{old,good}=<term>]" + " [--no-checkout] [--first-parent] [<bad> [<good>...]] [--] [<paths>...]"), + N_("git bisect--helper --bisect-next"), + N_("git bisect--helper --bisect-state (bad|new) [<rev>]"), + N_("git bisect--helper --bisect-state (good|old) [<rev>...]"), + N_("git bisect--helper --bisect-replay <filename>"), + N_("git bisect--helper --bisect-skip [(<rev>|<range>)...]"), NULL }; +struct add_bisect_ref_data { + struct rev_info *revs; + unsigned int object_flags; +}; + struct bisect_terms { char *term_good; char *term_bad; @@ -52,8 +58,10 @@ static void set_terms(struct bisect_terms *terms, const char *bad, terms->term_bad = xstrdup(bad); } -static const char *vocab_bad = "bad|new"; -static const char *vocab_good = "good|old"; +static const char vocab_bad[] = "bad|new"; +static const char vocab_good[] = "good|old"; + +static int bisect_autostart(struct bisect_terms *terms); /* * Check whether the string `term` belongs to the set of strings @@ -74,6 +82,67 @@ static int one_of(const char *term, ...) return res; } +/* + * return code BISECT_INTERNAL_SUCCESS_MERGE_BASE + * and BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND are codes + * that indicate special success. + */ + +static int is_bisect_success(enum bisect_error res) +{ + return !res || + res == BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND || + res == BISECT_INTERNAL_SUCCESS_MERGE_BASE; +} + +static int write_in_file(const char *path, const char *mode, const char *format, va_list args) +{ + FILE *fp = NULL; + int res = 0; + + if (strcmp(mode, "w") && strcmp(mode, "a")) + BUG("write-in-file does not support '%s' mode", mode); + fp = fopen(path, mode); + if (!fp) + return error_errno(_("cannot open file '%s' in mode '%s'"), path, mode); + res = vfprintf(fp, format, args); + + if (res < 0) { + int saved_errno = errno; + fclose(fp); + errno = saved_errno; + return error_errno(_("could not write to file '%s'"), path); + } + + return fclose(fp); +} + +__attribute__((format (printf, 2, 3))) +static int write_to_file(const char *path, const char *format, ...) +{ + int res; + va_list args; + + va_start(args, format); + res = write_in_file(path, "w", format, args); + va_end(args); + + return res; +} + +__attribute__((format (printf, 2, 3))) +static int append_to_file(const char *path, const char *format, ...) +{ + int res; + va_list args; + + va_start(args, format); + res = write_in_file(path, "a", format, args); + va_end(args); + + return res; +} + static int check_term_format(const char *term, const char *orig_term) { int res; @@ -104,7 +173,6 @@ static int check_term_format(const char *term, const char *orig_term) static int write_terms(const char *bad, const char *good) { - FILE *fp = NULL; int res; if (!strcmp(bad, good)) @@ -113,39 +181,11 @@ static int write_terms(const char *bad, const char *good) if (check_term_format(bad, "bad") || check_term_format(good, "good")) return -1; - fp = fopen(git_path_bisect_terms(), "w"); - if (!fp) - return error_errno(_("could not open the file BISECT_TERMS")); + res = write_to_file(git_path_bisect_terms(), "%s\n%s\n", bad, good); - res = fprintf(fp, "%s\n%s\n", bad, good); - res |= fclose(fp); - return (res < 0) ? -1 : 0; -} - -static int is_expected_rev(const char *expected_hex) -{ - struct strbuf actual_hex = STRBUF_INIT; - int res = 0; - if (strbuf_read_file(&actual_hex, git_path_bisect_expected_rev(), 0) >= 40) { - strbuf_trim(&actual_hex); - res = !strcmp(actual_hex.buf, expected_hex); - } - strbuf_release(&actual_hex); return res; } -static void check_expected_revs(const char **revs, int rev_nr) -{ - int i; - - for (i = 0; i < rev_nr; i++) { - if (!is_expected_rev(revs[i])) { - unlink_or_warn(git_path_bisect_ancestors_ok()); - unlink_or_warn(git_path_bisect_expected_rev()); - } - } -} - static int bisect_reset(const char *commit) { struct strbuf branch = STRBUF_INIT; @@ -164,18 +204,19 @@ static int bisect_reset(const char *commit) strbuf_addstr(&branch, commit); } - if (!file_exists(git_path_bisect_head())) { - struct argv_array argv = ARGV_ARRAY_INIT; + if (!ref_exists("BISECT_HEAD")) { + struct strvec argv = STRVEC_INIT; - argv_array_pushl(&argv, "checkout", branch.buf, "--", NULL); - if (run_command_v_opt(argv.argv, RUN_GIT_CMD)) { + strvec_pushl(&argv, "checkout", branch.buf, "--", NULL); + if (run_command_v_opt(argv.v, RUN_GIT_CMD)) { + error(_("could not check out original" + " HEAD '%s'. Try 'git bisect" + " reset <commit>'."), branch.buf); strbuf_release(&branch); - argv_array_clear(&argv); - return error(_("could not check out original" - " HEAD '%s'. Try 'git bisect" - " reset <commit>'."), branch.buf); + strvec_clear(&argv); + return -1; } - argv_array_clear(&argv); + strvec_clear(&argv); } strbuf_release(&branch); @@ -205,31 +246,31 @@ static int bisect_write(const char *state, const char *rev, struct object_id oid; struct commit *commit; FILE *fp = NULL; - int retval = 0; + int res = 0; if (!strcmp(state, terms->term_bad)) { strbuf_addf(&tag, "refs/bisect/%s", state); } else if (one_of(state, terms->term_good, "skip", NULL)) { strbuf_addf(&tag, "refs/bisect/%s-%s", state, rev); } else { - retval = error(_("Bad bisect_write argument: %s"), state); + res = error(_("Bad bisect_write argument: %s"), state); goto finish; } if (get_oid(rev, &oid)) { - retval = error(_("couldn't get the oid of the rev '%s'"), rev); + res = error(_("couldn't get the oid of the rev '%s'"), rev); goto finish; } if (update_ref(NULL, tag.buf, &oid, NULL, 0, UPDATE_REFS_MSG_ON_ERR)) { - retval = -1; + res = -1; goto finish; } fp = fopen(git_path_bisect_log(), "a"); if (!fp) { - retval = error_errno(_("couldn't open the file '%s'"), git_path_bisect_log()); + res = error_errno(_("couldn't open the file '%s'"), git_path_bisect_log()); goto finish; } @@ -243,7 +284,7 @@ finish: if (fp) fclose(fp); strbuf_release(&tag); - return retval; + return res; } static int check_and_set_terms(struct bisect_terms *terms, const char *cmd) @@ -281,35 +322,23 @@ static int mark_good(const char *refname, const struct object_id *oid, return 1; } -static const char *need_bad_and_good_revision_warning = +static const char need_bad_and_good_revision_warning[] = N_("You need to give me at least one %s and %s revision.\n" "You can use \"git bisect %s\" and \"git bisect %s\" for that."); -static const char *need_bisect_start_warning = +static const char need_bisect_start_warning[] = N_("You need to start by \"git bisect start\".\n" "You then need to give me at least one %s and %s revision.\n" "You can use \"git bisect %s\" and \"git bisect %s\" for that."); -static int bisect_next_check(const struct bisect_terms *terms, - const char *current_term) +static int decide_next(const struct bisect_terms *terms, + const char *current_term, int missing_good, + int missing_bad) { - int missing_good = 1, missing_bad = 1, retval = 0; - const char *bad_ref = xstrfmt("refs/bisect/%s", terms->term_bad); - const char *good_glob = xstrfmt("%s-*", terms->term_good); - - if (ref_exists(bad_ref)) - missing_bad = 0; - - for_each_glob_ref_in(mark_good, good_glob, "refs/bisect/", - (void *) &missing_good); - if (!missing_good && !missing_bad) - goto finish; - - if (!current_term) { - retval = -1; - goto finish; - } + return 0; + if (!current_term) + return -1; if (missing_good && !missing_bad && !strcmp(current_term, terms->term_good)) { @@ -320,7 +349,7 @@ static int bisect_next_check(const struct bisect_terms *terms, */ warning(_("bisecting only with a %s commit"), terms->term_bad); if (!isatty(0)) - goto finish; + return 0; /* * TRANSLATORS: Make sure to include [Y] and [n] in your * translation. The program will only accept English input @@ -328,21 +357,35 @@ static int bisect_next_check(const struct bisect_terms *terms, */ yesno = git_prompt(_("Are you sure [Y/n]? "), PROMPT_ECHO); if (starts_with(yesno, "N") || starts_with(yesno, "n")) - retval = -1; - goto finish; - } - if (!is_empty_or_missing_file(git_path_bisect_start())) { - retval = error(_(need_bad_and_good_revision_warning), - vocab_bad, vocab_good, vocab_bad, vocab_good); - } else { - retval = error(_(need_bisect_start_warning), - vocab_good, vocab_bad, vocab_good, vocab_bad); + return -1; + return 0; } -finish: - free((void *) good_glob); - free((void *) bad_ref); - return retval; + if (!is_empty_or_missing_file(git_path_bisect_start())) + return error(_(need_bad_and_good_revision_warning), + vocab_bad, vocab_good, vocab_bad, vocab_good); + else + return error(_(need_bisect_start_warning), + vocab_good, vocab_bad, vocab_good, vocab_bad); +} + +static int bisect_next_check(const struct bisect_terms *terms, + const char *current_term) +{ + int missing_good = 1, missing_bad = 1; + char *bad_ref = xstrfmt("refs/bisect/%s", terms->term_bad); + char *good_glob = xstrfmt("%s-*", terms->term_good); + + if (ref_exists(bad_ref)) + missing_bad = 0; + + for_each_glob_ref_in(mark_good, good_glob, "refs/bisect/", + (void *) &missing_good); + + free(good_glob); + free(bad_ref); + + return decide_next(terms, current_term, missing_good, missing_bad); } static int get_terms(struct bisect_terms *terms) @@ -396,7 +439,7 @@ static int bisect_terms(struct bisect_terms *terms, const char *option) static int bisect_append_log_quoted(const char **argv) { - int retval = 0; + int res = 0; FILE *fp = fopen(git_path_bisect_log(), "a"); struct strbuf orig_args = STRBUF_INIT; @@ -404,25 +447,163 @@ static int bisect_append_log_quoted(const char **argv) return -1; if (fprintf(fp, "git bisect start") < 1) { - retval = -1; + res = -1; goto finish; } sq_quote_argv(&orig_args, argv); if (fprintf(fp, "%s\n", orig_args.buf) < 1) - retval = -1; + res = -1; finish: fclose(fp); strbuf_release(&orig_args); - return retval; + return res; +} + +static int add_bisect_ref(const char *refname, const struct object_id *oid, + int flags, void *cb) +{ + struct add_bisect_ref_data *data = cb; + + add_pending_oid(data->revs, refname, oid, data->object_flags); + + return 0; +} + +static int prepare_revs(struct bisect_terms *terms, struct rev_info *revs) +{ + int res = 0; + struct add_bisect_ref_data cb = { revs }; + char *good = xstrfmt("%s-*", terms->term_good); + + /* + * We cannot use terms->term_bad directly in + * for_each_glob_ref_in() and we have to append a '*' to it, + * otherwise for_each_glob_ref_in() will append '/' and '*'. + */ + char *bad = xstrfmt("%s*", terms->term_bad); + + /* + * It is important to reset the flags used by revision walks + * as the previous call to bisect_next_all() in turn + * sets up a revision walk. + */ + reset_revision_walk(); + init_revisions(revs, NULL); + setup_revisions(0, NULL, revs, NULL); + for_each_glob_ref_in(add_bisect_ref, bad, "refs/bisect/", &cb); + cb.object_flags = UNINTERESTING; + for_each_glob_ref_in(add_bisect_ref, good, "refs/bisect/", &cb); + if (prepare_revision_walk(revs)) + res = error(_("revision walk setup failed\n")); + + free(good); + free(bad); + return res; +} + +static int bisect_skipped_commits(struct bisect_terms *terms) +{ + int res; + FILE *fp = NULL; + struct rev_info revs; + struct commit *commit; + struct pretty_print_context pp = {0}; + struct strbuf commit_name = STRBUF_INIT; + + res = prepare_revs(terms, &revs); + if (res) + return res; + + fp = fopen(git_path_bisect_log(), "a"); + if (!fp) + return error_errno(_("could not open '%s' for appending"), + git_path_bisect_log()); + + if (fprintf(fp, "# only skipped commits left to test\n") < 0) + return error_errno(_("failed to write to '%s'"), git_path_bisect_log()); + + while ((commit = get_revision(&revs)) != NULL) { + strbuf_reset(&commit_name); + format_commit_message(commit, "%s", + &commit_name, &pp); + fprintf(fp, "# possible first %s commit: [%s] %s\n", + terms->term_bad, oid_to_hex(&commit->object.oid), + commit_name.buf); + } + + /* + * Reset the flags used by revision walks in case + * there is another revision walk after this one. + */ + reset_revision_walk(); + + strbuf_release(&commit_name); + fclose(fp); + return 0; } -static int bisect_start(struct bisect_terms *terms, int no_checkout, - const char **argv, int argc) +static int bisect_successful(struct bisect_terms *terms) { + struct object_id oid; + struct commit *commit; + struct pretty_print_context pp = {0}; + struct strbuf commit_name = STRBUF_INIT; + char *bad_ref = xstrfmt("refs/bisect/%s",terms->term_bad); + int res; + + read_ref(bad_ref, &oid); + commit = lookup_commit_reference_by_name(bad_ref); + format_commit_message(commit, "%s", &commit_name, &pp); + + res = append_to_file(git_path_bisect_log(), "# first %s commit: [%s] %s\n", + terms->term_bad, oid_to_hex(&commit->object.oid), + commit_name.buf); + + strbuf_release(&commit_name); + free(bad_ref); + return res; +} + +static enum bisect_error bisect_next(struct bisect_terms *terms, const char *prefix) +{ + enum bisect_error res; + + if (bisect_autostart(terms)) + return BISECT_FAILED; + + if (bisect_next_check(terms, terms->term_good)) + return BISECT_FAILED; + + /* Perform all bisection computation */ + res = bisect_next_all(the_repository, prefix); + + if (res == BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND) { + res = bisect_successful(terms); + return res ? res : BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND; + } else if (res == BISECT_ONLY_SKIPPED_LEFT) { + res = bisect_skipped_commits(terms); + return res ? res : BISECT_ONLY_SKIPPED_LEFT; + } + return res; +} + +static enum bisect_error bisect_auto_next(struct bisect_terms *terms, const char *prefix) +{ + if (bisect_next_check(terms, NULL)) + return BISECT_OK; + + return bisect_next(terms, prefix); +} + +static enum bisect_error bisect_start(struct bisect_terms *terms, const char **argv, int argc) +{ + int no_checkout = 0; + int first_parent_only = 0; int i, has_double_dash = 0, must_write_terms = 0, bad_seen = 0; - int flags, pathspec_pos, retval = 0; + int flags, pathspec_pos; + enum bisect_error res = BISECT_OK; struct string_list revs = STRING_LIST_INIT_DUP; struct string_list states = STRING_LIST_INIT_DUP; struct strbuf start_head = STRBUF_INIT; @@ -450,11 +631,16 @@ static int bisect_start(struct bisect_terms *terms, int no_checkout, break; } else if (!strcmp(arg, "--no-checkout")) { no_checkout = 1; + } else if (!strcmp(arg, "--first-parent")) { + first_parent_only = 1; } else if (!strcmp(arg, "--term-good") || !strcmp(arg, "--term-old")) { + i++; + if (argc <= i) + return error(_("'' is not a valid term")); must_write_terms = 1; free((void *) terms->term_good); - terms->term_good = xstrdup(argv[++i]); + terms->term_good = xstrdup(argv[i]); } else if (skip_prefix(arg, "--term-good=", &arg) || skip_prefix(arg, "--term-old=", &arg)) { must_write_terms = 1; @@ -462,25 +648,26 @@ static int bisect_start(struct bisect_terms *terms, int no_checkout, terms->term_good = xstrdup(arg); } else if (!strcmp(arg, "--term-bad") || !strcmp(arg, "--term-new")) { + i++; + if (argc <= i) + return error(_("'' is not a valid term")); must_write_terms = 1; free((void *) terms->term_bad); - terms->term_bad = xstrdup(argv[++i]); + terms->term_bad = xstrdup(argv[i]); } else if (skip_prefix(arg, "--term-bad=", &arg) || skip_prefix(arg, "--term-new=", &arg)) { must_write_terms = 1; free((void *) terms->term_bad); terms->term_bad = xstrdup(arg); - } else if (starts_with(arg, "--") && - !one_of(arg, "--term-good", "--term-bad", NULL)) { + } else if (starts_with(arg, "--")) { return error(_("unrecognized option: '%s'"), arg); - } else { - char *commit_id = xstrfmt("%s^{commit}", arg); - if (get_oid(commit_id, &oid) && has_double_dash) - die(_("'%s' does not appear to be a valid " - "revision"), arg); - + } else if (!get_oidf(&oid, "%s^{commit}", arg)) { string_list_append(&revs, oid_to_hex(&oid)); - free(commit_id); + } else if (has_double_dash) { + die(_("'%s' does not appear to be a valid " + "revision"), arg); + } else { + break; } } pathspec_pos = i; @@ -518,12 +705,12 @@ static int bisect_start(struct bisect_terms *terms, int no_checkout, strbuf_read_file(&start_head, git_path_bisect_start(), 0); strbuf_trim(&start_head); if (!no_checkout) { - struct argv_array argv = ARGV_ARRAY_INIT; + struct strvec argv = STRVEC_INIT; - argv_array_pushl(&argv, "checkout", start_head.buf, - "--", NULL); - if (run_command_v_opt(argv.argv, RUN_GIT_CMD)) { - retval = error(_("checking out '%s' failed." + strvec_pushl(&argv, "checkout", start_head.buf, + "--", NULL); + if (run_command_v_opt(argv.v, RUN_GIT_CMD)) { + res = error(_("checking out '%s' failed." " Try 'git bisect start " "<valid-branch>'."), start_head.buf); @@ -555,28 +742,24 @@ static int bisect_start(struct bisect_terms *terms, int no_checkout, * Get rid of any old bisect state. */ if (bisect_clean_state()) - return -1; - - /* - * In case of mistaken revs or checkout error, or signals received, - * "bisect_auto_next" below may exit or misbehave. - * We have to trap this to be able to clean up using - * "bisect_clean_state". - */ + return BISECT_FAILED; /* * Write new start state */ write_file(git_path_bisect_start(), "%s\n", start_head.buf); + if (first_parent_only) + write_file(git_path_bisect_first_parent(), "\n"); + if (no_checkout) { if (get_oid(start_head.buf, &oid) < 0) { - retval = error(_("invalid ref: '%s'"), start_head.buf); + res = error(_("invalid ref: '%s'"), start_head.buf); goto finish; } if (update_ref(NULL, "BISECT_HEAD", &oid, NULL, 0, UPDATE_REFS_MSG_ON_ERR)) { - retval = -1; + res = BISECT_FAILED; goto finish; } } @@ -588,66 +771,305 @@ static int bisect_start(struct bisect_terms *terms, int no_checkout, for (i = 0; i < states.nr; i++) if (bisect_write(states.items[i].string, revs.items[i].string, terms, 1)) { - retval = -1; + res = BISECT_FAILED; goto finish; } if (must_write_terms && write_terms(terms->term_bad, terms->term_good)) { - retval = -1; + res = BISECT_FAILED; goto finish; } - retval = bisect_append_log_quoted(argv); - if (retval) - retval = -1; + res = bisect_append_log_quoted(argv); + if (res) + res = BISECT_FAILED; finish: string_list_clear(&revs, 0); string_list_clear(&states, 0); strbuf_release(&start_head); strbuf_release(&bisect_names); - return retval; + if (res) + return res; + + res = bisect_auto_next(terms, NULL); + if (!is_bisect_success(res)) + bisect_clean_state(); + return res; +} + +static inline int file_is_not_empty(const char *path) +{ + return !is_empty_or_missing_file(path); +} + +static int bisect_autostart(struct bisect_terms *terms) +{ + int res; + const char *yesno; + + if (file_is_not_empty(git_path_bisect_start())) + return 0; + + fprintf_ln(stderr, _("You need to start by \"git bisect " + "start\"\n")); + + if (!isatty(STDIN_FILENO)) + return -1; + + /* + * TRANSLATORS: Make sure to include [Y] and [n] in your + * translation. The program will only accept English input + * at this point. + */ + yesno = git_prompt(_("Do you want me to do it for you " + "[Y/n]? "), PROMPT_ECHO); + res = tolower(*yesno) == 'n' ? + -1 : bisect_start(terms, empty_strvec, 0); + + return res; +} + +static enum bisect_error bisect_state(struct bisect_terms *terms, const char **argv, + int argc) +{ + const char *state; + int i, verify_expected = 1; + struct object_id oid, expected; + struct strbuf buf = STRBUF_INIT; + struct oid_array revs = OID_ARRAY_INIT; + + if (!argc) + return error(_("Please call `--bisect-state` with at least one argument")); + + if (bisect_autostart(terms)) + return BISECT_FAILED; + + state = argv[0]; + if (check_and_set_terms(terms, state) || + !one_of(state, terms->term_good, terms->term_bad, "skip", NULL)) + return BISECT_FAILED; + + argv++; + argc--; + if (argc > 1 && !strcmp(state, terms->term_bad)) + return error(_("'git bisect %s' can take only one argument."), terms->term_bad); + + if (argc == 0) { + const char *head = "BISECT_HEAD"; + enum get_oid_result res_head = get_oid(head, &oid); + + if (res_head == MISSING_OBJECT) { + head = "HEAD"; + res_head = get_oid(head, &oid); + } + + if (res_head) + error(_("Bad rev input: %s"), head); + oid_array_append(&revs, &oid); + } + + /* + * All input revs must be checked before executing bisect_write() + * to discard junk revs. + */ + + for (; argc; argc--, argv++) { + struct commit *commit; + + if (get_oid(*argv, &oid)){ + error(_("Bad rev input: %s"), *argv); + oid_array_clear(&revs); + return BISECT_FAILED; + } + + commit = lookup_commit_reference(the_repository, &oid); + if (!commit) + die(_("Bad rev input (not a commit): %s"), *argv); + + oid_array_append(&revs, &commit->object.oid); + } + + if (strbuf_read_file(&buf, git_path_bisect_expected_rev(), 0) < the_hash_algo->hexsz || + get_oid_hex(buf.buf, &expected) < 0) + verify_expected = 0; /* Ignore invalid file contents */ + strbuf_release(&buf); + + for (i = 0; i < revs.nr; i++) { + if (bisect_write(state, oid_to_hex(&revs.oid[i]), terms, 0)) { + oid_array_clear(&revs); + return BISECT_FAILED; + } + if (verify_expected && !oideq(&revs.oid[i], &expected)) { + unlink_or_warn(git_path_bisect_ancestors_ok()); + unlink_or_warn(git_path_bisect_expected_rev()); + verify_expected = 0; + } + } + + oid_array_clear(&revs); + return bisect_auto_next(terms, NULL); +} + +static enum bisect_error bisect_log(void) +{ + int fd, status; + const char* filename = git_path_bisect_log(); + + if (is_empty_or_missing_file(filename)) + return error(_("We are not bisecting.")); + + fd = open(filename, O_RDONLY); + if (fd < 0) + return BISECT_FAILED; + + status = copy_fd(fd, STDOUT_FILENO); + close(fd); + return status ? BISECT_FAILED : BISECT_OK; +} + +static int process_replay_line(struct bisect_terms *terms, struct strbuf *line) +{ + const char *p = line->buf + strspn(line->buf, " \t"); + char *word_end, *rev; + + if ((!skip_prefix(p, "git bisect", &p) && + !skip_prefix(p, "git-bisect", &p)) || !isspace(*p)) + return 0; + p += strspn(p, " \t"); + + word_end = (char *)p + strcspn(p, " \t"); + rev = word_end + strspn(word_end, " \t"); + *word_end = '\0'; /* NUL-terminate the word */ + + get_terms(terms); + if (check_and_set_terms(terms, p)) + return -1; + + if (!strcmp(p, "start")) { + struct strvec argv = STRVEC_INIT; + int res; + sq_dequote_to_strvec(rev, &argv); + res = bisect_start(terms, argv.v, argv.nr); + strvec_clear(&argv); + return res; + } + + if (one_of(p, terms->term_good, + terms->term_bad, "skip", NULL)) + return bisect_write(p, rev, terms, 0); + + if (!strcmp(p, "terms")) { + struct strvec argv = STRVEC_INIT; + int res; + sq_dequote_to_strvec(rev, &argv); + res = bisect_terms(terms, argv.nr == 1 ? argv.v[0] : NULL); + strvec_clear(&argv); + return res; + } + error(_("'%s'?? what are you talking about?"), p); + + return -1; +} + +static enum bisect_error bisect_replay(struct bisect_terms *terms, const char *filename) +{ + FILE *fp = NULL; + enum bisect_error res = BISECT_OK; + struct strbuf line = STRBUF_INIT; + + if (is_empty_or_missing_file(filename)) + return error(_("cannot read file '%s' for replaying"), filename); + + if (bisect_reset(NULL)) + return BISECT_FAILED; + + fp = fopen(filename, "r"); + if (!fp) + return BISECT_FAILED; + + while ((strbuf_getline(&line, fp) != EOF) && !res) + res = process_replay_line(terms, &line); + + strbuf_release(&line); + fclose(fp); + + if (res) + return BISECT_FAILED; + + return bisect_auto_next(terms, NULL); +} + +static enum bisect_error bisect_skip(struct bisect_terms *terms, const char **argv, int argc) +{ + int i; + enum bisect_error res; + struct strvec argv_state = STRVEC_INIT; + + strvec_push(&argv_state, "skip"); + + for (i = 0; i < argc; i++) { + const char *dotdot = strstr(argv[i], ".."); + + if (dotdot) { + struct rev_info revs; + struct commit *commit; + + init_revisions(&revs, NULL); + setup_revisions(2, argv + i - 1, &revs, NULL); + + if (prepare_revision_walk(&revs)) + die(_("revision walk setup failed\n")); + while ((commit = get_revision(&revs)) != NULL) + strvec_push(&argv_state, + oid_to_hex(&commit->object.oid)); + + reset_revision_walk(); + } else { + strvec_push(&argv_state, argv[i]); + } + } + res = bisect_state(terms, argv_state.v, argv_state.nr); + + strvec_clear(&argv_state); + return res; } int cmd_bisect__helper(int argc, const char **argv, const char *prefix) { enum { - NEXT_ALL = 1, - WRITE_TERMS, - BISECT_CLEAN_STATE, - CHECK_EXPECTED_REVS, - BISECT_RESET, - BISECT_WRITE, - CHECK_AND_SET_TERMS, + BISECT_RESET = 1, BISECT_NEXT_CHECK, BISECT_TERMS, - BISECT_START + BISECT_START, + BISECT_AUTOSTART, + BISECT_NEXT, + BISECT_STATE, + BISECT_LOG, + BISECT_REPLAY, + BISECT_SKIP } cmdmode = 0; - int no_checkout = 0, res = 0, nolog = 0; + int res = 0, nolog = 0; struct option options[] = { - OPT_CMDMODE(0, "next-all", &cmdmode, - N_("perform 'git bisect next'"), NEXT_ALL), - OPT_CMDMODE(0, "write-terms", &cmdmode, - N_("write the terms to .git/BISECT_TERMS"), WRITE_TERMS), - OPT_CMDMODE(0, "bisect-clean-state", &cmdmode, - N_("cleanup the bisection state"), BISECT_CLEAN_STATE), - OPT_CMDMODE(0, "check-expected-revs", &cmdmode, - N_("check for expected revs"), CHECK_EXPECTED_REVS), OPT_CMDMODE(0, "bisect-reset", &cmdmode, N_("reset the bisection state"), BISECT_RESET), - OPT_CMDMODE(0, "bisect-write", &cmdmode, - N_("write out the bisection state in BISECT_LOG"), BISECT_WRITE), - OPT_CMDMODE(0, "check-and-set-terms", &cmdmode, - N_("check and set terms in a bisection state"), CHECK_AND_SET_TERMS), OPT_CMDMODE(0, "bisect-next-check", &cmdmode, N_("check whether bad or good terms exist"), BISECT_NEXT_CHECK), OPT_CMDMODE(0, "bisect-terms", &cmdmode, N_("print out the bisect terms"), BISECT_TERMS), OPT_CMDMODE(0, "bisect-start", &cmdmode, N_("start the bisect session"), BISECT_START), - OPT_BOOL(0, "no-checkout", &no_checkout, - N_("update BISECT_HEAD instead of checking out the current commit")), + OPT_CMDMODE(0, "bisect-next", &cmdmode, + N_("find the next bisection commit"), BISECT_NEXT), + OPT_CMDMODE(0, "bisect-state", &cmdmode, + N_("mark the state of ref (or refs)"), BISECT_STATE), + OPT_CMDMODE(0, "bisect-log", &cmdmode, + N_("list the bisection steps so far"), BISECT_LOG), + OPT_CMDMODE(0, "bisect-replay", &cmdmode, + N_("replay the bisection process from the given file"), BISECT_REPLAY), + OPT_CMDMODE(0, "bisect-skip", &cmdmode, + N_("skip some commits for checkout"), BISECT_SKIP), OPT_BOOL(0, "no-log", &nolog, N_("no log for BISECT_WRITE")), OPT_END() @@ -662,34 +1084,10 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) usage_with_options(git_bisect_helper_usage, options); switch (cmdmode) { - case NEXT_ALL: - return bisect_next_all(the_repository, prefix, no_checkout); - case WRITE_TERMS: - if (argc != 2) - return error(_("--write-terms requires two arguments")); - return write_terms(argv[0], argv[1]); - case BISECT_CLEAN_STATE: - if (argc != 0) - return error(_("--bisect-clean-state requires no arguments")); - return bisect_clean_state(); - case CHECK_EXPECTED_REVS: - check_expected_revs(argv, argc); - return 0; case BISECT_RESET: if (argc > 1) return error(_("--bisect-reset requires either no argument or a commit")); - return !!bisect_reset(argc ? argv[0] : NULL); - case BISECT_WRITE: - if (argc != 4 && argc != 5) - return error(_("--bisect-write requires either 4 or 5 arguments")); - set_terms(&terms, argv[3], argv[2]); - res = bisect_write(argv[0], argv[1], &terms, nolog); - break; - case CHECK_AND_SET_TERMS: - if (argc != 3) - return error(_("--check-and-set-terms requires 3 arguments")); - set_terms(&terms, argv[2], argv[1]); - res = check_and_set_terms(&terms, argv[0]); + res = bisect_reset(argc ? argv[0] : NULL); break; case BISECT_NEXT_CHECK: if (argc != 2 && argc != 3) @@ -704,11 +1102,46 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) break; case BISECT_START: set_terms(&terms, "bad", "good"); - res = bisect_start(&terms, no_checkout, argv, argc); + res = bisect_start(&terms, argv, argc); + break; + case BISECT_NEXT: + if (argc) + return error(_("--bisect-next requires 0 arguments")); + get_terms(&terms); + res = bisect_next(&terms, prefix); + break; + case BISECT_STATE: + set_terms(&terms, "bad", "good"); + get_terms(&terms); + res = bisect_state(&terms, argv, argc); + break; + case BISECT_LOG: + if (argc) + return error(_("--bisect-log requires 0 arguments")); + res = bisect_log(); + break; + case BISECT_REPLAY: + if (argc != 1) + return error(_("no logfile given")); + set_terms(&terms, "bad", "good"); + res = bisect_replay(&terms, argv[0]); + break; + case BISECT_SKIP: + set_terms(&terms, "bad", "good"); + get_terms(&terms); + res = bisect_skip(&terms, argv, argc); break; default: - return error("BUG: unknown subcommand '%d'", cmdmode); + BUG("unknown subcommand %d", cmdmode); } free_terms(&terms); - return !!res; + + /* + * Handle early success + * From check_merge_bases > check_good_are_ancestors_of_bad > bisect_next_all + */ + if ((res == BISECT_INTERNAL_SUCCESS_MERGE_BASE) || (res == BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND)) + res = BISECT_OK; + + return -res; } diff --git a/builtin/blame.c b/builtin/blame.c index 21cde57e71..641523ff9a 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -26,8 +26,8 @@ #include "progress.h" #include "object-store.h" #include "blame.h" -#include "string-list.h" #include "refs.h" +#include "tag.h" static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] <file>"); @@ -53,14 +53,17 @@ static int no_whole_file_rename; static int show_progress; static char repeated_meta_color[COLOR_MAXLEN]; static int coloring_mode; +static struct string_list ignore_revs_file_list = STRING_LIST_INIT_NODUP; +static int mark_unblamable_lines; +static int mark_ignored_lines; static struct date_mode blame_date_mode = { DATE_ISO8601 }; static size_t blame_date_width; static struct string_list mailmap = STRING_LIST_INIT_NODUP; -#ifndef DEBUG -#define DEBUG 0 +#ifndef DEBUG_BLAME +#define DEBUG_BLAME 0 #endif static unsigned blame_move_score; @@ -317,18 +320,18 @@ static const char *format_time(timestamp_t time, const char *tz_str, return time_buf.buf; } -#define OUTPUT_ANNOTATE_COMPAT 001 -#define OUTPUT_LONG_OBJECT_NAME 002 -#define OUTPUT_RAW_TIMESTAMP 004 -#define OUTPUT_PORCELAIN 010 -#define OUTPUT_SHOW_NAME 020 -#define OUTPUT_SHOW_NUMBER 040 -#define OUTPUT_SHOW_SCORE 0100 -#define OUTPUT_NO_AUTHOR 0200 -#define OUTPUT_SHOW_EMAIL 0400 -#define OUTPUT_LINE_PORCELAIN 01000 -#define OUTPUT_COLOR_LINE 02000 -#define OUTPUT_SHOW_AGE_WITH_COLOR 04000 +#define OUTPUT_ANNOTATE_COMPAT (1U<<0) +#define OUTPUT_LONG_OBJECT_NAME (1U<<1) +#define OUTPUT_RAW_TIMESTAMP (1U<<2) +#define OUTPUT_PORCELAIN (1U<<3) +#define OUTPUT_SHOW_NAME (1U<<4) +#define OUTPUT_SHOW_NUMBER (1U<<5) +#define OUTPUT_SHOW_SCORE (1U<<6) +#define OUTPUT_NO_AUTHOR (1U<<7) +#define OUTPUT_SHOW_EMAIL (1U<<8) +#define OUTPUT_LINE_PORCELAIN (1U<<9) +#define OUTPUT_COLOR_LINE (1U<<10) +#define OUTPUT_SHOW_AGE_WITH_COLOR (1U<<11) static void emit_porcelain_details(struct blame_origin *suspect, int repeat) { @@ -422,13 +425,11 @@ static void setup_default_color_by_age(void) parse_color_fields("blue,12 month ago,white,1 month ago,red"); } -static void determine_line_heat(struct blame_entry *ent, const char **dest_color) +static void determine_line_heat(struct commit_info *ci, const char **dest_color) { int i = 0; - struct commit_info ci; - get_commit_info(ent->suspect->commit, &ci, 1); - while (i < colorfield_nr && ci.author_time > colorfield[i].hop) + while (i < colorfield_nr && ci->author_time > colorfield[i].hop) i++; *dest_color = colorfield[i].col; @@ -450,14 +451,14 @@ static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int cp = blame_nth_line(sb, ent->lno); if (opt & OUTPUT_SHOW_AGE_WITH_COLOR) { - determine_line_heat(ent, &default_color); + determine_line_heat(&ci, &default_color); color = default_color; reset = GIT_COLOR_RESET; } for (cnt = 0; cnt < ent->num_lines; cnt++) { char ch; - int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? GIT_SHA1_HEXSZ : abbrev; + int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? the_hash_algo->hexsz : abbrev; if (opt & OUTPUT_COLOR_LINE) { if (cnt > 0) { @@ -480,6 +481,14 @@ static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int } } + if (mark_unblamable_lines && ent->unblamable) { + length--; + putchar('*'); + } + if (mark_ignored_lines && ent->ignored) { + length--; + putchar('?'); + } printf("%.*s", length, hex); if (opt & OUTPUT_ANNOTATE_COMPAT) { const char *name; @@ -696,6 +705,24 @@ static int git_blame_config(const char *var, const char *value, void *cb) parse_date_format(value, &blame_date_mode); return 0; } + if (!strcmp(var, "blame.ignorerevsfile")) { + const char *str; + int ret; + + ret = git_config_pathname(&str, var, value); + if (ret) + return ret; + string_list_insert(&ignore_revs_file_list, str); + return 0; + } + if (!strcmp(var, "blame.markunblamablelines")) { + mark_unblamable_lines = git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "blame.markignoredlines")) { + mark_ignored_lines = git_config_bool(var, value); + return 0; + } if (!strcmp(var, "color.blame.repeatedlines")) { if (color_parse_mem(value, strlen(value), repeated_meta_color)) warning(_("invalid color '%s' in color.blame.repeatedLines"), @@ -775,6 +802,51 @@ static int is_a_rev(const char *name) return OBJ_NONE < oid_object_info(the_repository, &oid, NULL); } +static int peel_to_commit_oid(struct object_id *oid_ret, void *cbdata) +{ + struct repository *r = ((struct blame_scoreboard *)cbdata)->repo; + struct object_id oid; + + oidcpy(&oid, oid_ret); + while (1) { + struct object *obj; + int kind = oid_object_info(r, &oid, NULL); + if (kind == OBJ_COMMIT) { + oidcpy(oid_ret, &oid); + return 0; + } + if (kind != OBJ_TAG) + return -1; + obj = deref_tag(r, parse_object(r, &oid), NULL, 0); + if (!obj) + return -1; + oidcpy(&oid, &obj->oid); + } +} + +static void build_ignorelist(struct blame_scoreboard *sb, + struct string_list *ignore_revs_file_list, + struct string_list *ignore_rev_list) +{ + struct string_list_item *i; + struct object_id oid; + + oidset_init(&sb->ignore_list, 0); + for_each_string_list_item(i, ignore_revs_file_list) { + if (!strcmp(i->string, "")) + oidset_clear(&sb->ignore_list); + else + oidset_parse_file_carefully(&sb->ignore_list, i->string, + peel_to_commit_oid, sb); + } + for_each_string_list_item(i, ignore_rev_list) { + if (get_oid_committish(i->string, &oid) || + peel_to_commit_oid(&oid, sb)) + die(_("cannot find revision %s to ignore"), i->string); + oidset_insert(&sb->ignore_list, &oid); + } +} + int cmd_blame(int argc, const char **argv, const char *prefix) { struct rev_info revs; @@ -786,43 +858,39 @@ int cmd_blame(int argc, const char **argv, const char *prefix) struct progress_info pi = { NULL, 0 }; struct string_list range_list = STRING_LIST_INIT_NODUP; + struct string_list ignore_rev_list = STRING_LIST_INIT_NODUP; int output_option = 0, opt = 0; int show_stats = 0; const char *revs_file = NULL; const char *contents_from = NULL; const struct option options[] = { - OPT_BOOL(0, "incremental", &incremental, N_("Show blame entries as we find them, incrementally")), - OPT_BOOL('b', NULL, &blank_boundary, N_("Show blank SHA-1 for boundary commits (Default: off)")), - OPT_BOOL(0, "root", &show_root, N_("Do not treat root commits as boundaries (Default: off)")), - OPT_BOOL(0, "show-stats", &show_stats, N_("Show work cost statistics")), - OPT_BOOL(0, "progress", &show_progress, N_("Force progress reporting")), - OPT_BIT(0, "score-debug", &output_option, N_("Show output score for blame entries"), OUTPUT_SHOW_SCORE), - OPT_BIT('f', "show-name", &output_option, N_("Show original filename (Default: auto)"), OUTPUT_SHOW_NAME), - OPT_BIT('n', "show-number", &output_option, N_("Show original linenumber (Default: off)"), OUTPUT_SHOW_NUMBER), - OPT_BIT('p', "porcelain", &output_option, N_("Show in a format designed for machine consumption"), OUTPUT_PORCELAIN), - OPT_BIT(0, "line-porcelain", &output_option, N_("Show porcelain format with per-line commit information"), OUTPUT_PORCELAIN|OUTPUT_LINE_PORCELAIN), - OPT_BIT('c', NULL, &output_option, N_("Use the same output mode as git-annotate (Default: off)"), OUTPUT_ANNOTATE_COMPAT), - OPT_BIT('t', NULL, &output_option, N_("Show raw timestamp (Default: off)"), OUTPUT_RAW_TIMESTAMP), - OPT_BIT('l', NULL, &output_option, N_("Show long commit SHA1 (Default: off)"), OUTPUT_LONG_OBJECT_NAME), - OPT_BIT('s', NULL, &output_option, N_("Suppress author name and timestamp (Default: off)"), OUTPUT_NO_AUTHOR), - OPT_BIT('e', "show-email", &output_option, N_("Show author email instead of name (Default: off)"), OUTPUT_SHOW_EMAIL), - OPT_BIT('w', NULL, &xdl_opts, N_("Ignore whitespace differences"), XDF_IGNORE_WHITESPACE), + OPT_BOOL(0, "incremental", &incremental, N_("show blame entries as we find them, incrementally")), + OPT_BOOL('b', NULL, &blank_boundary, N_("do not show object names of boundary commits (Default: off)")), + OPT_BOOL(0, "root", &show_root, N_("do not treat root commits as boundaries (Default: off)")), + OPT_BOOL(0, "show-stats", &show_stats, N_("show work cost statistics")), + OPT_BOOL(0, "progress", &show_progress, N_("force progress reporting")), + OPT_BIT(0, "score-debug", &output_option, N_("show output score for blame entries"), OUTPUT_SHOW_SCORE), + OPT_BIT('f', "show-name", &output_option, N_("show original filename (Default: auto)"), OUTPUT_SHOW_NAME), + OPT_BIT('n', "show-number", &output_option, N_("show original linenumber (Default: off)"), OUTPUT_SHOW_NUMBER), + OPT_BIT('p', "porcelain", &output_option, N_("show in a format designed for machine consumption"), OUTPUT_PORCELAIN), + OPT_BIT(0, "line-porcelain", &output_option, N_("show porcelain format with per-line commit information"), OUTPUT_PORCELAIN|OUTPUT_LINE_PORCELAIN), + OPT_BIT('c', NULL, &output_option, N_("use the same output mode as git-annotate (Default: off)"), OUTPUT_ANNOTATE_COMPAT), + OPT_BIT('t', NULL, &output_option, N_("show raw timestamp (Default: off)"), OUTPUT_RAW_TIMESTAMP), + OPT_BIT('l', NULL, &output_option, N_("show long commit SHA1 (Default: off)"), OUTPUT_LONG_OBJECT_NAME), + OPT_BIT('s', NULL, &output_option, N_("suppress author name and timestamp (Default: off)"), OUTPUT_NO_AUTHOR), + OPT_BIT('e', "show-email", &output_option, N_("show author email instead of name (Default: off)"), OUTPUT_SHOW_EMAIL), + OPT_BIT('w', NULL, &xdl_opts, N_("ignore whitespace differences"), XDF_IGNORE_WHITESPACE), + OPT_STRING_LIST(0, "ignore-rev", &ignore_rev_list, N_("rev"), N_("ignore <rev> when blaming")), + OPT_STRING_LIST(0, "ignore-revs-file", &ignore_revs_file_list, N_("file"), N_("ignore revisions from <file>")), OPT_BIT(0, "color-lines", &output_option, N_("color redundant metadata from previous line differently"), OUTPUT_COLOR_LINE), OPT_BIT(0, "color-by-age", &output_option, N_("color lines by age"), OUTPUT_SHOW_AGE_WITH_COLOR), - - /* - * The following two options are parsed by parse_revision_opt() - * and are only included here to get included in the "-h" - * output: - */ - { OPTION_LOWLEVEL_CALLBACK, 0, "indent-heuristic", NULL, NULL, N_("Use an experimental heuristic to improve diffs"), PARSE_OPT_NOARG, NULL, 0, parse_opt_unknown_cb }, - - OPT_BIT(0, "minimal", &xdl_opts, N_("Spend extra cycles to find better match"), XDF_NEED_MINIMAL), - OPT_STRING('S', NULL, &revs_file, N_("file"), N_("Use revisions from <file> instead of calling git-rev-list")), - OPT_STRING(0, "contents", &contents_from, N_("file"), N_("Use <file>'s contents as the final image")), - { OPTION_CALLBACK, 'C', NULL, &opt, N_("score"), N_("Find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback }, - { OPTION_CALLBACK, 'M', NULL, &opt, N_("score"), N_("Find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback }, - OPT_STRING_LIST('L', NULL, &range_list, N_("n,m"), N_("Process only line range n,m, counting from 1")), + OPT_BIT(0, "minimal", &xdl_opts, N_("spend extra cycles to find better match"), XDF_NEED_MINIMAL), + OPT_STRING('S', NULL, &revs_file, N_("file"), N_("use revisions from <file> instead of calling git-rev-list")), + OPT_STRING(0, "contents", &contents_from, N_("file"), N_("use <file>'s contents as the final image")), + OPT_CALLBACK_F('C', NULL, &opt, N_("score"), N_("find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback), + OPT_CALLBACK_F('M', NULL, &opt, N_("score"), N_("find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback), + OPT_STRING_LIST('L', NULL, &range_list, N_("range"), + N_("process only line range <start>,<end> or function :<funcname>")), OPT__ABBREV(&abbrev), OPT_END() }; @@ -832,6 +900,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix) struct range_set ranges; unsigned int range_i; long anchor; + const int hexsz = the_hash_algo->hexsz; setup_default_color_by_age(); git_config(git_blame_config, &output_option); @@ -878,11 +947,11 @@ parse_done: } else if (show_progress < 0) show_progress = isatty(2); - if (0 < abbrev && abbrev < GIT_SHA1_HEXSZ) + if (0 < abbrev && abbrev < hexsz) /* one more abbrev length is needed for the boundary commit */ abbrev++; else if (!abbrev) - abbrev = GIT_SHA1_HEXSZ; + abbrev = hexsz; if (revs_file && read_ancestry(revs_file)) die_errno("reading graft file '%s' failed", revs_file); @@ -1012,7 +1081,19 @@ parse_done: sb.contents_from = contents_from; sb.reverse = reverse; sb.repo = the_repository; - setup_scoreboard(&sb, path, &o); + sb.path = path; + build_ignorelist(&sb, &ignore_revs_file_list, &ignore_rev_list); + string_list_clear(&ignore_revs_file_list, 0); + string_list_clear(&ignore_rev_list, 0); + setup_scoreboard(&sb, &o); + + /* + * Changed-path Bloom filters are disabled when looking + * for copies. + */ + if (!(opt & PICKAXE_BLAME_COPY)) + setup_blame_bloom_data(&sb); + lno = sb.num_lines; if (lno && !range_list.nr) @@ -1030,7 +1111,7 @@ parse_done: if ((!lno && (top || bottom)) || lno < bottom) die(Q_("file %s has only %lu line", "file %s has only %lu lines", - lno), path, lno); + lno), sb.path, lno); if (bottom < 1) bottom = 1; if (top < 1 || lno < top) @@ -1055,21 +1136,20 @@ parse_done: string_list_clear(&range_list, 0); sb.ent = NULL; - sb.path = path; if (blame_move_score) sb.move_score = blame_move_score; if (blame_copy_score) sb.copy_score = blame_copy_score; - sb.debug = DEBUG; + sb.debug = DEBUG_BLAME; sb.on_sanity_fail = &sanity_check_on_fail; sb.show_root = show_root; sb.xdl_opts = xdl_opts; sb.no_whole_file_rename = no_whole_file_rename; - read_mailmap(&mailmap, NULL); + read_mailmap(&mailmap); sb.found_guilty_entry = &found_guilty_entry; sb.found_guilty_entry_data = π @@ -1116,5 +1196,7 @@ parse_done: printf("num get patch: %d\n", sb.num_get_patch); printf("num commits: %d\n", sb.num_commits); } + + cleanup_scoreboard(&sb); return 0; } diff --git a/builtin/branch.c b/builtin/branch.c index 8e243cf8c2..b23b1d1752 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -26,7 +26,7 @@ #include "commit-reach.h" static const char * const builtin_branch_usage[] = { - N_("git branch [<options>] [-r | -a] [--merged | --no-merged]"), + N_("git branch [<options>] [-r | -a] [--merged] [--no-merged]"), N_("git branch [<options>] [-l] [-f] <branch-name> [<start-point>]"), N_("git branch [<options>] [-r] (-d | -D) <branch-name>..."), N_("git branch [<options>] (-m | -M) [<old-branch>] <new-branch>"), @@ -47,6 +47,7 @@ static char branch_colors[][COLOR_MAXLEN] = { GIT_COLOR_NORMAL, /* LOCAL */ GIT_COLOR_GREEN, /* CURRENT */ GIT_COLOR_BLUE, /* UPSTREAM */ + GIT_COLOR_CYAN, /* WORKTREE */ }; enum color_branch { BRANCH_COLOR_RESET = 0, @@ -54,7 +55,8 @@ enum color_branch { BRANCH_COLOR_REMOTE = 2, BRANCH_COLOR_LOCAL = 3, BRANCH_COLOR_CURRENT = 4, - BRANCH_COLOR_UPSTREAM = 5 + BRANCH_COLOR_UPSTREAM = 5, + BRANCH_COLOR_WORKTREE = 6 }; static const char *color_branch_slots[] = { @@ -64,6 +66,7 @@ static const char *color_branch_slots[] = { [BRANCH_COLOR_LOCAL] = "local", [BRANCH_COLOR_CURRENT] = "current", [BRANCH_COLOR_UPSTREAM] = "upstream", + [BRANCH_COLOR_WORKTREE] = "worktree", }; static struct string_list output = STRING_LIST_INIT_DUP; @@ -199,6 +202,9 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, int remote_branch = 0; struct strbuf bname = STRBUF_INIT; unsigned allowed_interpret; + struct string_list refs_to_delete = STRING_LIST_INIT_DUP; + struct string_list_item *item; + int branch_name_pos; switch (kinds) { case FILTER_REFS_REMOTES: @@ -216,6 +222,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, default: die(_("cannot use -a with -d")); } + branch_name_pos = strcspn(fmt, "%"); if (!force) { head_rev = lookup_commit_reference(the_repository, &head_oid); @@ -262,30 +269,35 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, goto next; } - if (delete_ref(NULL, name, is_null_oid(&oid) ? NULL : &oid, - REF_NO_DEREF)) { - error(remote_branch - ? _("Error deleting remote-tracking branch '%s'") - : _("Error deleting branch '%s'"), - bname.buf); - ret = 1; - goto next; - } - if (!quiet) { - printf(remote_branch - ? _("Deleted remote-tracking branch %s (was %s).\n") - : _("Deleted branch %s (was %s).\n"), - bname.buf, - (flags & REF_ISBROKEN) ? "broken" - : (flags & REF_ISSYMREF) ? target - : find_unique_abbrev(&oid, DEFAULT_ABBREV)); - } - delete_branch_config(bname.buf); + item = string_list_append(&refs_to_delete, name); + item->util = xstrdup((flags & REF_ISBROKEN) ? "broken" + : (flags & REF_ISSYMREF) ? target + : find_unique_abbrev(&oid, DEFAULT_ABBREV)); next: free(target); } + if (delete_refs(NULL, &refs_to_delete, REF_NO_DEREF)) + ret = 1; + + for_each_string_list_item(item, &refs_to_delete) { + char *describe_ref = item->util; + char *name = item->string; + if (!ref_exists(name)) { + char *refname = name + branch_name_pos; + if (!quiet) + printf(remote_branch + ? _("Deleted remote-tracking branch %s (was %s).\n") + : _("Deleted branch %s (was %s).\n"), + name + branch_name_pos, describe_ref); + + delete_branch_config(refname); + } + free(describe_ref); + } + string_list_clear(&refs_to_delete, 0); + free(name); strbuf_release(&bname); @@ -342,9 +354,10 @@ static char *build_format(struct ref_filter *filter, int maxwidth, const char *r struct strbuf local = STRBUF_INIT; struct strbuf remote = STRBUF_INIT; - strbuf_addf(&local, "%%(if)%%(HEAD)%%(then)* %s%%(else) %s%%(end)", - branch_get_color(BRANCH_COLOR_CURRENT), - branch_get_color(BRANCH_COLOR_LOCAL)); + strbuf_addf(&local, "%%(if)%%(HEAD)%%(then)* %s%%(else)%%(if)%%(worktreepath)%%(then)+ %s%%(else) %s%%(end)%%(end)", + branch_get_color(BRANCH_COLOR_CURRENT), + branch_get_color(BRANCH_COLOR_WORKTREE), + branch_get_color(BRANCH_COLOR_LOCAL)); strbuf_addf(&remote, " %s", branch_get_color(BRANCH_COLOR_REMOTE)); @@ -363,9 +376,13 @@ static char *build_format(struct ref_filter *filter, int maxwidth, const char *r strbuf_addf(&local, " %s ", obname.buf); if (filter->verbose > 1) + { + strbuf_addf(&local, "%%(if:notequals=*)%%(HEAD)%%(then)%%(if)%%(worktreepath)%%(then)(%s%%(worktreepath)%s) %%(end)%%(end)", + branch_get_color(BRANCH_COLOR_WORKTREE), branch_get_color(BRANCH_COLOR_RESET)); strbuf_addf(&local, "%%(if)%%(upstream)%%(then)[%s%%(upstream:short)%s%%(if)%%(upstream:track)" "%%(then): %%(upstream:track,nobracket)%%(end)] %%(end)%%(contents:subject)", branch_get_color(BRANCH_COLOR_UPSTREAM), branch_get_color(BRANCH_COLOR_RESET)); + } else strbuf_addf(&local, "%%(if)%%(upstream:track)%%(then)%%(upstream:track) %%(end)%%(contents:subject)"); @@ -394,6 +411,8 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin { int i; struct ref_array array; + struct strbuf out = STRBUF_INIT; + struct strbuf err = STRBUF_INIT; int maxwidth = 0; const char *remote_prefix = ""; char *to_free = NULL; @@ -423,8 +442,8 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin ref_array_sort(sorting, &array); for (i = 0; i < array.nr; i++) { - struct strbuf out = STRBUF_INIT; - struct strbuf err = STRBUF_INIT; + strbuf_reset(&err); + strbuf_reset(&out); if (format_ref_array_item(array.items[i], format, &out, &err)) die("%s", err.buf); if (column_active(colopts)) { @@ -435,10 +454,10 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin fwrite(out.buf, 1, out.len, stdout); putchar('\n'); } - strbuf_release(&err); - strbuf_release(&out); } + strbuf_release(&err); + strbuf_release(&out); ref_array_clear(&array); free(to_free); } @@ -460,7 +479,7 @@ static void print_current_branch_name(void) static void reject_rebase_or_bisect_branch(const char *target) { - struct worktree **worktrees = get_worktrees(0); + struct worktree **worktrees = get_worktrees(); int i; for (i = 0; worktrees[i]; i++) { @@ -530,7 +549,9 @@ static void copy_or_rename_branch(const char *oldname, const char *newname, int strbuf_addf(&logmsg, "Branch: renamed %s to %s", oldref.buf, newref.buf); - if (!copy && rename_ref(oldref.buf, newref.buf, logmsg.buf)) + if (!copy && + (!head || strcmp(oldname, head) || !is_null_oid(&head_oid)) && + rename_ref(oldref.buf, newref.buf, logmsg.buf)) die(_("Branch rename failed")); if (copy && copy_existing_ref(oldref.buf, newref.buf, logmsg.buf)) die(_("Branch copy failed")); @@ -616,7 +637,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPT_SET_INT_F(0, "set-upstream", &track, N_("do not use"), BRANCH_TRACK_OVERRIDE, PARSE_OPT_HIDDEN), OPT_STRING('u', "set-upstream-to", &new_upstream, N_("upstream"), N_("change the upstream info")), - OPT_BOOL(0, "unset-upstream", &unset_upstream, N_("Unset the upstream info")), + OPT_BOOL(0, "unset-upstream", &unset_upstream, N_("unset the upstream info")), OPT__COLOR(&branch_use_color, N_("use colored output")), OPT_SET_INT('r', "remotes", &filter.kind, N_("act on remote-tracking branches"), FILTER_REFS_REMOTES), @@ -645,10 +666,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPT_NO_MERGED(&filter, N_("print only branches that are not merged")), OPT_COLUMN(0, "column", &colopts, N_("list branches in columns")), OPT_REF_SORT(sorting_tail), - { - OPTION_CALLBACK, 0, "points-at", &filter.points_at, N_("object"), - N_("print only branches of the object"), 0, parse_opt_object_name - }, + OPT_CALLBACK(0, "points-at", &filter.points_at, N_("object"), + N_("print only branches of the object"), parse_opt_object_name), OPT_BOOL('i', "ignore-case", &icase, N_("sorting and filtering are case insensitive")), OPT_STRING( 0 , "format", &format.format, N_("format"), N_("format to use for the output")), OPT_END(), @@ -682,12 +701,12 @@ int cmd_branch(int argc, const char **argv, const char *prefix) !show_current && !unset_upstream && argc == 0) list = 1; - if (filter.with_commit || filter.merge != REF_FILTER_MERGED_NONE || filter.points_at.nr || - filter.no_commit) + if (filter.with_commit || filter.no_commit || + filter.reachable_from || filter.unreachable_from || filter.points_at.nr) list = 1; if (!!delete + !!rename + !!copy + !!new_upstream + !!show_current + - list + unset_upstream > 1) + list + edit_description + unset_upstream > 1) usage_with_options(builtin_branch_usage, options); if (filter.abbrev == -1) @@ -718,7 +737,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix) print_current_branch_name(); return 0; } else if (list) { - /* git branch --local also shows HEAD when it is detached */ + /* git branch --list also shows HEAD when it is detached */ if ((filter.kind & FILTER_REFS_BRANCHES) && filter.detached) filter.kind |= FILTER_REFS_DETACHED_HEAD; filter.name_patterns = argv; @@ -731,7 +750,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix) */ if (!sorting) sorting = ref_default_sorting(); - sorting->ignore_case = icase; + ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase); + ref_sorting_set_sort_flags_all( + sorting, REF_SORTING_DETACHED_HEAD_FIRST, 1); print_ref_list(&filter, sorting, &format); print_columns(&output, colopts, NULL); string_list_clear(&output, 0); @@ -823,10 +844,10 @@ int cmd_branch(int argc, const char **argv, const char *prefix) die(_("Branch '%s' has no upstream information"), branch->name); strbuf_addf(&buf, "branch.%s.remote", branch->name); - git_config_set_multivar(buf.buf, NULL, NULL, 1); + git_config_set_multivar(buf.buf, NULL, NULL, CONFIG_FLAGS_MULTI_REPLACE); strbuf_reset(&buf); strbuf_addf(&buf, "branch.%s.merge", branch->name); - git_config_set_multivar(buf.buf, NULL, NULL, 1); + git_config_set_multivar(buf.buf, NULL, NULL, CONFIG_FLAGS_MULTI_REPLACE); strbuf_release(&buf); } else if (argc > 0 && argc <= 2) { if (filter.kind != FILTER_REFS_BRANCHES) diff --git a/builtin/bugreport.c b/builtin/bugreport.c new file mode 100644 index 0000000000..9915a5841d --- /dev/null +++ b/builtin/bugreport.c @@ -0,0 +1,197 @@ +#include "builtin.h" +#include "parse-options.h" +#include "strbuf.h" +#include "help.h" +#include "compat/compiler.h" +#include "run-command.h" + + +static void get_system_info(struct strbuf *sys_info) +{ + struct utsname uname_info; + char *shell = NULL; + + /* get git version from native cmd */ + strbuf_addstr(sys_info, _("git version:\n")); + get_version_info(sys_info, 1); + + /* system call for other version info */ + strbuf_addstr(sys_info, "uname: "); + if (uname(&uname_info)) + strbuf_addf(sys_info, _("uname() failed with error '%s' (%d)\n"), + strerror(errno), + errno); + else + strbuf_addf(sys_info, "%s %s %s %s\n", + uname_info.sysname, + uname_info.release, + uname_info.version, + uname_info.machine); + + strbuf_addstr(sys_info, _("compiler info: ")); + get_compiler_info(sys_info); + + strbuf_addstr(sys_info, _("libc info: ")); + get_libc_info(sys_info); + + shell = getenv("SHELL"); + strbuf_addf(sys_info, "$SHELL (typically, interactive shell): %s\n", + shell ? shell : "<unset>"); +} + +static void get_populated_hooks(struct strbuf *hook_info, int nongit) +{ + /* + * NEEDSWORK: Doesn't look like there is a list of all possible hooks; + * so below is a transcription of `git help hooks`. Later, this should + * be replaced with some programmatically generated list (generated from + * doc or else taken from some library which tells us about all the + * hooks) + */ + static const char *hook[] = { + "applypatch-msg", + "pre-applypatch", + "post-applypatch", + "pre-commit", + "pre-merge-commit", + "prepare-commit-msg", + "commit-msg", + "post-commit", + "pre-rebase", + "post-checkout", + "post-merge", + "pre-push", + "pre-receive", + "update", + "post-receive", + "post-update", + "push-to-checkout", + "pre-auto-gc", + "post-rewrite", + "sendemail-validate", + "fsmonitor-watchman", + "p4-pre-submit", + "post-index-change", + }; + int i; + + if (nongit) { + strbuf_addstr(hook_info, + _("not run from a git repository - no hooks to show\n")); + return; + } + + for (i = 0; i < ARRAY_SIZE(hook); i++) + if (find_hook(hook[i])) + strbuf_addf(hook_info, "%s\n", hook[i]); +} + +static const char * const bugreport_usage[] = { + N_("git bugreport [-o|--output-directory <file>] [-s|--suffix <format>]"), + NULL +}; + +static int get_bug_template(struct strbuf *template) +{ + const char template_text[] = N_( +"Thank you for filling out a Git bug report!\n" +"Please answer the following questions to help us understand your issue.\n" +"\n" +"What did you do before the bug happened? (Steps to reproduce your issue)\n" +"\n" +"What did you expect to happen? (Expected behavior)\n" +"\n" +"What happened instead? (Actual behavior)\n" +"\n" +"What's different between what you expected and what actually happened?\n" +"\n" +"Anything else you want to add:\n" +"\n" +"Please review the rest of the bug report below.\n" +"You can delete any lines you don't wish to share.\n"); + + strbuf_addstr(template, _(template_text)); + return 0; +} + +static void get_header(struct strbuf *buf, const char *title) +{ + strbuf_addf(buf, "\n\n[%s]\n", title); +} + +int cmd_bugreport(int argc, const char **argv, const char *prefix) +{ + struct strbuf buffer = STRBUF_INIT; + struct strbuf report_path = STRBUF_INIT; + int report = -1; + time_t now = time(NULL); + struct tm tm; + char *option_output = NULL; + char *option_suffix = "%Y-%m-%d-%H%M"; + const char *user_relative_path = NULL; + char *prefixed_filename; + + const struct option bugreport_options[] = { + OPT_STRING('o', "output-directory", &option_output, N_("path"), + N_("specify a destination for the bugreport file")), + OPT_STRING('s', "suffix", &option_suffix, N_("format"), + N_("specify a strftime format suffix for the filename")), + OPT_END() + }; + + argc = parse_options(argc, argv, prefix, bugreport_options, + bugreport_usage, 0); + + /* Prepare the path to put the result */ + prefixed_filename = prefix_filename(prefix, + option_output ? option_output : ""); + strbuf_addstr(&report_path, prefixed_filename); + strbuf_complete(&report_path, '/'); + + strbuf_addstr(&report_path, "git-bugreport-"); + strbuf_addftime(&report_path, option_suffix, localtime_r(&now, &tm), 0, 0); + strbuf_addstr(&report_path, ".txt"); + + switch (safe_create_leading_directories(report_path.buf)) { + case SCLD_OK: + case SCLD_EXISTS: + break; + default: + die(_("could not create leading directories for '%s'"), + report_path.buf); + } + + /* Prepare the report contents */ + get_bug_template(&buffer); + + get_header(&buffer, _("System Info")); + get_system_info(&buffer); + + get_header(&buffer, _("Enabled Hooks")); + get_populated_hooks(&buffer, !startup_info->have_repository); + + /* fopen doesn't offer us an O_EXCL alternative, except with glibc. */ + report = open(report_path.buf, O_CREAT | O_EXCL | O_WRONLY, 0666); + + if (report < 0) + die(_("couldn't create a new file at '%s'"), report_path.buf); + + if (write_in_full(report, buffer.buf, buffer.len) < 0) + die_errno(_("unable to write to %s"), report_path.buf); + + close(report); + + /* + * We want to print the path relative to the user, but we still need the + * path relative to us to give to the editor. + */ + if (!(prefix && skip_prefix(report_path.buf, prefix, &user_relative_path))) + user_relative_path = report_path.buf; + fprintf(stderr, _("Created new report at '%s'.\n"), + user_relative_path); + + free(prefixed_filename); + UNLEAK(buffer); + UNLEAK(report_path); + return !!launch_editor(report_path.buf, NULL, NULL); +} diff --git a/builtin/bundle.c b/builtin/bundle.c index 1ea4bfdfc1..053a51bea1 100644 --- a/builtin/bundle.c +++ b/builtin/bundle.c @@ -1,4 +1,6 @@ #include "builtin.h" +#include "strvec.h" +#include "parse-options.h" #include "cache.h" #include "bundle.h" @@ -9,59 +11,207 @@ * bundle supporting "fetch", "pull", and "ls-remote". */ -static const char builtin_bundle_usage[] = - "git bundle create <file> <git-rev-list args>\n" - " or: git bundle verify <file>\n" - " or: git bundle list-heads <file> [<refname>...]\n" - " or: git bundle unbundle <file> [<refname>...]"; +static const char * const builtin_bundle_usage[] = { + N_("git bundle create [<options>] <file> <git-rev-list args>"), + N_("git bundle verify [<options>] <file>"), + N_("git bundle list-heads <file> [<refname>...]"), + N_("git bundle unbundle <file> [<refname>...]"), + NULL +}; -int cmd_bundle(int argc, const char **argv, const char *prefix) -{ - struct bundle_header header; - const char *cmd, *bundle_file; +static const char * const builtin_bundle_create_usage[] = { + N_("git bundle create [<options>] <file> <git-rev-list args>"), + NULL +}; + +static const char * const builtin_bundle_verify_usage[] = { + N_("git bundle verify [<options>] <file>"), + NULL +}; + +static const char * const builtin_bundle_list_heads_usage[] = { + N_("git bundle list-heads <file> [<refname>...]"), + NULL +}; + +static const char * const builtin_bundle_unbundle_usage[] = { + N_("git bundle unbundle <file> [<refname>...]"), + NULL +}; + +static int verbose; + +static int parse_options_cmd_bundle(int argc, + const char **argv, + const char* prefix, + const char * const usagestr[], + const struct option options[], + char **bundle_file) { + int newargc; + newargc = parse_options(argc, argv, NULL, options, usagestr, + PARSE_OPT_STOP_AT_NON_OPTION); + if (argc < 1) + usage_with_options(usagestr, options); + *bundle_file = prefix_filename(prefix, argv[0]); + return newargc; +} + +static int cmd_bundle_create(int argc, const char **argv, const char *prefix) { + int all_progress_implied = 0; + int progress = isatty(STDERR_FILENO); + struct strvec pack_opts; + int version = -1; + int ret; + struct option options[] = { + OPT_SET_INT('q', "quiet", &progress, + N_("do not show progress meter"), 0), + OPT_SET_INT(0, "progress", &progress, + N_("show progress meter"), 1), + OPT_SET_INT(0, "all-progress", &progress, + N_("show progress meter during object writing phase"), 2), + OPT_BOOL(0, "all-progress-implied", + &all_progress_implied, + N_("similar to --all-progress when progress meter is shown")), + OPT_INTEGER(0, "version", &version, + N_("specify bundle format version")), + OPT_END() + }; + char *bundle_file; + + argc = parse_options_cmd_bundle(argc, argv, prefix, + builtin_bundle_create_usage, options, &bundle_file); + /* bundle internals use argv[1] as further parameters */ + + strvec_init(&pack_opts); + if (progress == 0) + strvec_push(&pack_opts, "--quiet"); + else if (progress == 1) + strvec_push(&pack_opts, "--progress"); + else if (progress == 2) + strvec_push(&pack_opts, "--all-progress"); + if (progress && all_progress_implied) + strvec_push(&pack_opts, "--all-progress-implied"); + + if (!startup_info->have_repository) + die(_("Need a repository to create a bundle.")); + ret = !!create_bundle(the_repository, bundle_file, argc, argv, &pack_opts, version); + free(bundle_file); + return ret; +} + +static int cmd_bundle_verify(int argc, const char **argv, const char *prefix) { + struct bundle_header header = BUNDLE_HEADER_INIT; int bundle_fd = -1; + int quiet = 0; + int ret; + struct option options[] = { + OPT_BOOL('q', "quiet", &quiet, + N_("do not show bundle details")), + OPT_END() + }; + char *bundle_file; + + argc = parse_options_cmd_bundle(argc, argv, prefix, + builtin_bundle_verify_usage, options, &bundle_file); + /* bundle internals use argv[1] as further parameters */ - if (argc < 3) - usage(builtin_bundle_usage); - - cmd = argv[1]; - bundle_file = prefix_filename(prefix, argv[2]); - argc -= 2; - argv += 2; - - memset(&header, 0, sizeof(header)); - if (strcmp(cmd, "create") && (bundle_fd = - read_bundle_header(bundle_file, &header)) < 0) - return 1; - - if (!strcmp(cmd, "verify")) { - close(bundle_fd); - if (argc != 1) { - usage(builtin_bundle_usage); - return 1; - } - if (verify_bundle(the_repository, &header, 1)) - return 1; - fprintf(stderr, _("%s is okay\n"), bundle_file); - return 0; + if ((bundle_fd = read_bundle_header(bundle_file, &header)) < 0) { + ret = 1; + goto cleanup; } - if (!strcmp(cmd, "list-heads")) { - close(bundle_fd); - return !!list_bundle_refs(&header, argc, argv); + close(bundle_fd); + if (verify_bundle(the_repository, &header, !quiet)) { + ret = 1; + goto cleanup; + } + + fprintf(stderr, _("%s is okay\n"), bundle_file); + ret = 0; +cleanup: + free(bundle_file); + bundle_header_release(&header); + return ret; +} + +static int cmd_bundle_list_heads(int argc, const char **argv, const char *prefix) { + struct bundle_header header = BUNDLE_HEADER_INIT; + int bundle_fd = -1; + int ret; + struct option options[] = { + OPT_END() + }; + char *bundle_file; + + argc = parse_options_cmd_bundle(argc, argv, prefix, + builtin_bundle_list_heads_usage, options, &bundle_file); + /* bundle internals use argv[1] as further parameters */ + + if ((bundle_fd = read_bundle_header(bundle_file, &header)) < 0) { + ret = 1; + goto cleanup; + } + close(bundle_fd); + ret = !!list_bundle_refs(&header, argc, argv); +cleanup: + free(bundle_file); + bundle_header_release(&header); + return ret; +} + +static int cmd_bundle_unbundle(int argc, const char **argv, const char *prefix) { + struct bundle_header header = BUNDLE_HEADER_INIT; + int bundle_fd = -1; + int ret; + struct option options[] = { + OPT_END() + }; + char *bundle_file; + + argc = parse_options_cmd_bundle(argc, argv, prefix, + builtin_bundle_unbundle_usage, options, &bundle_file); + /* bundle internals use argv[1] as further parameters */ + + if ((bundle_fd = read_bundle_header(bundle_file, &header)) < 0) { + ret = 1; + goto cleanup; + } + if (!startup_info->have_repository) + die(_("Need a repository to unbundle.")); + ret = !!unbundle(the_repository, &header, bundle_fd, 0) || + list_bundle_refs(&header, argc, argv); + bundle_header_release(&header); +cleanup: + free(bundle_file); + return ret; +} + +int cmd_bundle(int argc, const char **argv, const char *prefix) +{ + struct option options[] = { + OPT__VERBOSE(&verbose, N_("be verbose; must be placed before a subcommand")), + OPT_END() + }; + int result; + + argc = parse_options(argc, argv, prefix, options, builtin_bundle_usage, + PARSE_OPT_STOP_AT_NON_OPTION); + + packet_trace_identity("bundle"); + + if (argc < 2) + usage_with_options(builtin_bundle_usage, options); + + else if (!strcmp(argv[0], "create")) + result = cmd_bundle_create(argc, argv, prefix); + else if (!strcmp(argv[0], "verify")) + result = cmd_bundle_verify(argc, argv, prefix); + else if (!strcmp(argv[0], "list-heads")) + result = cmd_bundle_list_heads(argc, argv, prefix); + else if (!strcmp(argv[0], "unbundle")) + result = cmd_bundle_unbundle(argc, argv, prefix); + else { + error(_("Unknown subcommand: %s"), argv[0]); + usage_with_options(builtin_bundle_usage, options); } - if (!strcmp(cmd, "create")) { - if (argc < 2) { - usage(builtin_bundle_usage); - return 1; - } - if (!startup_info->have_repository) - die(_("Need a repository to create a bundle.")); - return !!create_bundle(the_repository, bundle_file, argc, argv); - } else if (!strcmp(cmd, "unbundle")) { - if (!startup_info->have_repository) - die(_("Need a repository to unbundle.")); - return !!unbundle(the_repository, &header, bundle_fd, 0) || - list_bundle_refs(&header, argc, argv); - } else - usage(builtin_bundle_usage); + return result ? 1 : 0; } diff --git a/builtin/cat-file.c b/builtin/cat-file.c index 0f092382e1..243fe6844b 100644 --- a/builtin/cat-file.c +++ b/builtin/cat-file.c @@ -12,9 +12,10 @@ #include "userdiff.h" #include "streaming.h" #include "tree-walk.h" -#include "sha1-array.h" +#include "oid-array.h" #include "packfile.h" #include "object-store.h" +#include "promisor-remote.h" struct batch_options { int enabled; @@ -41,7 +42,10 @@ static int filter_object(const char *path, unsigned mode, oid_to_hex(oid), path); if ((type == OBJ_BLOB) && S_ISREG(mode)) { struct strbuf strbuf = STRBUF_INIT; - if (convert_to_working_tree(&the_index, path, *buf, *size, &strbuf)) { + struct checkout_metadata meta; + + init_checkout_metadata(&meta, NULL, NULL, oid); + if (convert_to_working_tree(&the_index, path, *buf, *size, &strbuf, &meta)) { free(*buf); *size = strbuf.len; *buf = strbuf_detach(&strbuf, NULL); @@ -172,7 +176,8 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, * fall-back to the usual case. */ } - buf = read_object_with_reference(&oid, exp_type, &size, NULL); + buf = read_object_with_reference(the_repository, + &oid, exp_type, &size, NULL); break; default: @@ -260,7 +265,7 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len, strbuf_addstr(sb, data->rest); } else if (is_atom("deltabase", atom, len)) { if (data->mark_query) - data->info.delta_base_sha1 = data->delta_base_oid.hash; + data->info.delta_base_oid = &data->delta_base_oid; else strbuf_addstr(sb, oid_to_hex(&data->delta_base_oid)); @@ -507,12 +512,6 @@ static int batch_objects(struct batch_options *opt) if (opt->cmdmode) data.split_on_whitespace = 1; - if (opt->all_objects) { - struct object_info empty = OBJECT_INFO_INIT; - if (!memcmp(&data.info, &empty, sizeof(empty))) - data.skip_object_info = 1; - } - /* * If we are printing out the object, then always fill in the type, * since we will want to decide whether or not to stream. @@ -522,9 +521,13 @@ static int batch_objects(struct batch_options *opt) if (opt->all_objects) { struct object_cb_data cb; + struct object_info empty = OBJECT_INFO_INIT; + + if (!memcmp(&data.info, &empty, sizeof(empty))) + data.skip_object_info = 1; - if (repository_format_partial_clone) - warning("This repository has extensions.partialClone set. Some objects may not be loaded."); + if (has_promisor_remote()) + warning("This repository uses promisor remotes. Some objects may not be loaded."); cb.opt = opt; cb.expand = &data; @@ -591,7 +594,7 @@ static int batch_objects(struct batch_options *opt) static const char * const cat_file_usage[] = { N_("git cat-file (-t [--allow-unknown-type] | -s [--allow-unknown-type] | -e | -p | <type> | --textconv | --filters) [--path=<path>] <object>"), - N_("git cat-file (--batch | --batch-check) [--follow-symlinks] [--textconv | --filters]"), + N_("git cat-file (--batch[=<format>] | --batch-check[=<format>]) [--follow-symlinks] [--textconv | --filters]"), NULL }; @@ -645,14 +648,14 @@ int cmd_cat_file(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "allow-unknown-type", &unknown_type, N_("allow -s and -t to work with broken/corrupt objects")), OPT_BOOL(0, "buffer", &batch.buffer_output, N_("buffer --batch output")), - { OPTION_CALLBACK, 0, "batch", &batch, "format", + OPT_CALLBACK_F(0, "batch", &batch, "format", N_("show info and content of objects fed from the standard input"), PARSE_OPT_OPTARG | PARSE_OPT_NONEG, - batch_option_callback }, - { OPTION_CALLBACK, 0, "batch-check", &batch, "format", + batch_option_callback), + OPT_CALLBACK_F(0, "batch-check", &batch, "format", N_("show info about objects fed from the standard input"), PARSE_OPT_OPTARG | PARSE_OPT_NONEG, - batch_option_callback }, + batch_option_callback), OPT_BOOL(0, "follow-symlinks", &batch.follow_symlinks, N_("follow in-tree symlinks (used with --batch or --batch-check)")), OPT_BOOL(0, "batch-all-objects", &batch.all_objects, diff --git a/builtin/check-ignore.c b/builtin/check-ignore.c index 599097304b..2191256965 100644 --- a/builtin/check-ignore.c +++ b/builtin/check-ignore.c @@ -32,19 +32,19 @@ static const struct option check_ignore_options[] = { OPT_END() }; -static void output_exclude(const char *path, struct exclude *exclude) +static void output_pattern(const char *path, struct path_pattern *pattern) { - char *bang = (exclude && exclude->flags & EXC_FLAG_NEGATIVE) ? "!" : ""; - char *slash = (exclude && exclude->flags & EXC_FLAG_MUSTBEDIR) ? "/" : ""; + char *bang = (pattern && pattern->flags & PATTERN_FLAG_NEGATIVE) ? "!" : ""; + char *slash = (pattern && pattern->flags & PATTERN_FLAG_MUSTBEDIR) ? "/" : ""; if (!nul_term_line) { if (!verbose) { write_name_quoted(path, stdout, '\n'); } else { - if (exclude) { - quote_c_style(exclude->el->src, NULL, stdout, 0); + if (pattern) { + quote_c_style(pattern->pl->src, NULL, stdout, 0); printf(":%d:%s%s%s\t", - exclude->srcpos, - bang, exclude->pattern, slash); + pattern->srcpos, + bang, pattern->pattern, slash); } else { printf("::\t"); @@ -56,11 +56,11 @@ static void output_exclude(const char *path, struct exclude *exclude) if (!verbose) { printf("%s%c", path, '\0'); } else { - if (exclude) + if (pattern) printf("%s%c%d%c%s%s%s%c%s%c", - exclude->el->src, '\0', - exclude->srcpos, '\0', - bang, exclude->pattern, slash, '\0', + pattern->pl->src, '\0', + pattern->srcpos, '\0', + bang, pattern->pattern, slash, '\0', path, '\0'); else printf("%c%c%c%s%c", '\0', '\0', '\0', path, '\0'); @@ -74,7 +74,7 @@ static int check_ignore(struct dir_struct *dir, const char *full_path; char *seen; int num_ignored = 0, i; - struct exclude *exclude; + struct path_pattern *pattern; struct pathspec pathspec; if (!argc) { @@ -100,21 +100,26 @@ static int check_ignore(struct dir_struct *dir, * should not be ignored, in order to be consistent with * 'git status', 'git add' etc. */ - seen = find_pathspecs_matching_against_index(&pathspec, &the_index); + seen = find_pathspecs_matching_against_index(&pathspec, &the_index, + PS_HEED_SKIP_WORKTREE); for (i = 0; i < pathspec.nr; i++) { full_path = pathspec.items[i].match; - exclude = NULL; + pattern = NULL; if (!seen[i]) { int dtype = DT_UNKNOWN; - exclude = last_exclude_matching(dir, &the_index, + pattern = last_matching_pattern(dir, &the_index, full_path, &dtype); + if (!verbose && pattern && + pattern->flags & PATTERN_FLAG_NEGATIVE) + pattern = NULL; } - if (!quiet && (exclude || show_non_matching)) - output_exclude(pathspec.items[i].original, exclude); - if (exclude) + if (!quiet && (pattern || show_non_matching)) + output_pattern(pathspec.items[i].original, pattern); + if (pattern) num_ignored++; } free(seen); + clear_pathspec(&pathspec); return num_ignored; } @@ -148,7 +153,7 @@ static int check_ignore_stdin_paths(struct dir_struct *dir, const char *prefix) int cmd_check_ignore(int argc, const char **argv, const char *prefix) { int num_ignored; - struct dir_struct dir; + struct dir_struct dir = DIR_INIT; git_config(git_default_config, NULL); @@ -177,7 +182,6 @@ int cmd_check_ignore(int argc, const char **argv, const char *prefix) if (!no_index && read_cache() < 0) die(_("index file corrupt")); - memset(&dir, 0, sizeof(dir)); setup_standard_excludes(&dir); if (stdin_paths) { @@ -187,7 +191,7 @@ int cmd_check_ignore(int argc, const char **argv, const char *prefix) maybe_flush_or_die(stdout, "ignore to stdout"); } - clear_directory(&dir); + dir_clear(&dir); return !num_ignored; } diff --git a/builtin/check-mailmap.c b/builtin/check-mailmap.c index cdce144f3b..7dc47e4793 100644 --- a/builtin/check-mailmap.c +++ b/builtin/check-mailmap.c @@ -47,7 +47,7 @@ int cmd_check_mailmap(int argc, const char **argv, const char *prefix) if (argc == 0 && !use_stdin) die(_("no contacts specified")); - read_mailmap(&mailmap, NULL); + read_mailmap(&mailmap); for (i = 0; i < argc; ++i) check_mailmap(&mailmap, argv[i]); diff --git a/builtin/checkout--worker.c b/builtin/checkout--worker.c new file mode 100644 index 0000000000..fb9fd13b73 --- /dev/null +++ b/builtin/checkout--worker.c @@ -0,0 +1,145 @@ +#include "builtin.h" +#include "config.h" +#include "entry.h" +#include "parallel-checkout.h" +#include "parse-options.h" +#include "pkt-line.h" + +static void packet_to_pc_item(const char *buffer, int len, + struct parallel_checkout_item *pc_item) +{ + const struct pc_item_fixed_portion *fixed_portion; + const char *variant; + char *encoding; + + if (len < sizeof(struct pc_item_fixed_portion)) + BUG("checkout worker received too short item (got %dB, exp %dB)", + len, (int)sizeof(struct pc_item_fixed_portion)); + + fixed_portion = (struct pc_item_fixed_portion *)buffer; + + if (len - sizeof(struct pc_item_fixed_portion) != + fixed_portion->name_len + fixed_portion->working_tree_encoding_len) + BUG("checkout worker received corrupted item"); + + variant = buffer + sizeof(struct pc_item_fixed_portion); + + /* + * Note: the main process uses zero length to communicate that the + * encoding is NULL. There is no use case that requires sending an + * actual empty string, since convert_attrs() never sets + * ca.working_tree_enconding to "". + */ + if (fixed_portion->working_tree_encoding_len) { + encoding = xmemdupz(variant, + fixed_portion->working_tree_encoding_len); + variant += fixed_portion->working_tree_encoding_len; + } else { + encoding = NULL; + } + + memset(pc_item, 0, sizeof(*pc_item)); + pc_item->ce = make_empty_transient_cache_entry(fixed_portion->name_len, NULL); + pc_item->ce->ce_namelen = fixed_portion->name_len; + pc_item->ce->ce_mode = fixed_portion->ce_mode; + memcpy(pc_item->ce->name, variant, pc_item->ce->ce_namelen); + oidcpy(&pc_item->ce->oid, &fixed_portion->oid); + + pc_item->id = fixed_portion->id; + pc_item->ca.crlf_action = fixed_portion->crlf_action; + pc_item->ca.ident = fixed_portion->ident; + pc_item->ca.working_tree_encoding = encoding; +} + +static void report_result(struct parallel_checkout_item *pc_item) +{ + struct pc_item_result res = { 0 }; + size_t size; + + res.id = pc_item->id; + res.status = pc_item->status; + + if (pc_item->status == PC_ITEM_WRITTEN) { + res.st = pc_item->st; + size = sizeof(res); + } else { + size = PC_ITEM_RESULT_BASE_SIZE; + } + + packet_write(1, (const char *)&res, size); +} + +/* Free the worker-side malloced data, but not pc_item itself. */ +static void release_pc_item_data(struct parallel_checkout_item *pc_item) +{ + free((char *)pc_item->ca.working_tree_encoding); + discard_cache_entry(pc_item->ce); +} + +static void worker_loop(struct checkout *state) +{ + struct parallel_checkout_item *items = NULL; + size_t i, nr = 0, alloc = 0; + + while (1) { + int len = packet_read(0, NULL, NULL, packet_buffer, + sizeof(packet_buffer), 0); + + if (len < 0) + BUG("packet_read() returned negative value"); + else if (!len) + break; + + ALLOC_GROW(items, nr + 1, alloc); + packet_to_pc_item(packet_buffer, len, &items[nr++]); + } + + for (i = 0; i < nr; i++) { + struct parallel_checkout_item *pc_item = &items[i]; + write_pc_item(pc_item, state); + report_result(pc_item); + release_pc_item_data(pc_item); + } + + packet_flush(1); + + free(items); +} + +static const char * const checkout_worker_usage[] = { + N_("git checkout--worker [<options>]"), + NULL +}; + +int cmd_checkout__worker(int argc, const char **argv, const char *prefix) +{ + struct checkout state = CHECKOUT_INIT; + struct option checkout_worker_options[] = { + OPT_STRING(0, "prefix", &state.base_dir, N_("string"), + N_("when creating files, prepend <string>")), + OPT_END() + }; + + if (argc == 2 && !strcmp(argv[1], "-h")) + usage_with_options(checkout_worker_usage, + checkout_worker_options); + + git_config(git_default_config, NULL); + argc = parse_options(argc, argv, prefix, checkout_worker_options, + checkout_worker_usage, 0); + if (argc > 0) + usage_with_options(checkout_worker_usage, checkout_worker_options); + + if (state.base_dir) + state.base_dir_len = strlen(state.base_dir); + + /* + * Setting this on a worker won't actually update the index. We just + * need to tell the checkout machinery to lstat() the written entries, + * so that we can send this data back to the main process. + */ + state.refresh_cache = 1; + + worker_loop(&state); + return 0; +} diff --git a/builtin/checkout-index.c b/builtin/checkout-index.c index 1ac1cc290e..e21620d964 100644 --- a/builtin/checkout-index.c +++ b/builtin/checkout-index.c @@ -11,6 +11,8 @@ #include "quote.h" #include "cache-tree.h" #include "parse-options.h" +#include "entry.h" +#include "parallel-checkout.h" #define CHECKOUT_ALL 4 static int nul_term_line; @@ -23,22 +25,35 @@ static struct checkout state = CHECKOUT_INIT; static void write_tempfile_record(const char *name, const char *prefix) { int i; + int have_tempname = 0; if (CHECKOUT_ALL == checkout_stage) { - for (i = 1; i < 4; i++) { - if (i > 1) - putchar(' '); - if (topath[i][0]) - fputs(topath[i], stdout); - else - putchar('.'); + for (i = 1; i < 4; i++) + if (topath[i][0]) { + have_tempname = 1; + break; + } + + if (have_tempname) { + for (i = 1; i < 4; i++) { + if (i > 1) + putchar(' '); + if (topath[i][0]) + fputs(topath[i], stdout); + else + putchar('.'); + } } - } else + } else if (topath[checkout_stage][0]) { + have_tempname = 1; fputs(topath[checkout_stage], stdout); + } - putchar('\t'); - write_name_quoted_relative(name, prefix, stdout, - nul_term_line ? '\0' : '\n'); + if (have_tempname) { + putchar('\t'); + write_name_quoted_relative(name, prefix, stdout, + nul_term_line ? '\0' : '\n'); + } for (i = 0; i < 4; i++) { topath[i][0] = 0; @@ -79,6 +94,14 @@ static int checkout_file(const char *name, const char *prefix) return errs > 0 ? -1 : 0; } + /* + * At this point we know we didn't try to check anything out. If it was + * because we did find an entry but it was stage 0, that's not an + * error. + */ + if (has_same_name && checkout_stage == CHECKOUT_ALL) + return 0; + if (!state.quiet) { fprintf(stderr, "git checkout-index: %s ", name); if (!has_same_name) @@ -93,11 +116,13 @@ static int checkout_file(const char *name, const char *prefix) return -1; } -static void checkout_all(const char *prefix, int prefix_length) +static int checkout_all(const char *prefix, int prefix_length) { int i, errs = 0; struct cache_entry *last_ce = NULL; + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(&the_index); for (i = 0; i < active_nr ; i++) { struct cache_entry *ce = active_cache[i]; if (ce_stage(ce) != checkout_stage @@ -120,11 +145,7 @@ static void checkout_all(const char *prefix, int prefix_length) } if (last_ce && to_tempfile) write_tempfile_record(last_ce->name, prefix); - if (errs) - /* we have already done our error reporting. - * exit with the same code as die(). - */ - exit(128); + return !!errs; } static const char * const builtin_checkout_index_usage[] = { @@ -159,6 +180,8 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix) int prefix_length; int force = 0, quiet = 0, not_new = 0; int index_opt = 0; + int err = 0; + int pc_workers, pc_threshold; struct option builtin_checkout_index_options[] = { OPT_BOOL('a', "all", &all, N_("check out all files in the index")), @@ -177,9 +200,9 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix) N_("write the content to temporary files")), OPT_STRING(0, "prefix", &state.base_dir, N_("string"), N_("when creating files, prepend <string>")), - { OPTION_CALLBACK, 0, "stage", NULL, "(1|2|3|all)", + OPT_CALLBACK_F(0, "stage", NULL, "(1|2|3|all)", N_("copy out the files from named stage"), - PARSE_OPT_NONEG, option_parse_stage }, + PARSE_OPT_NONEG, option_parse_stage), OPT_END() }; @@ -213,6 +236,10 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix) hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); } + get_parallel_checkout_configs(&pc_workers, &pc_threshold); + if (pc_workers > 1) + init_parallel_checkout(); + /* Check out named files first */ for (i = 0; i < argc; i++) { const char *arg = argv[i]; @@ -223,7 +250,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix) if (read_from_stdin) die("git checkout-index: don't mix '--stdin' and explicit filenames"); p = prefix_path(prefix, prefix_length, arg); - checkout_file(p, prefix); + err |= checkout_file(p, prefix); free(p); } @@ -245,7 +272,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix) strbuf_swap(&buf, &unquoted); } p = prefix_path(prefix, prefix_length, buf.buf); - checkout_file(p, prefix); + err |= checkout_file(p, prefix); free(p); } strbuf_release(&unquoted); @@ -253,7 +280,14 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix) } if (all) - checkout_all(prefix, prefix_length); + err |= checkout_all(prefix, prefix_length); + + if (pc_workers > 1) + err |= run_parallel_checkout(&state, pc_workers, pc_threshold, + NULL, NULL); + + if (err) + return 1; if (is_lock_file_locked(&lock_file) && write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) diff --git a/builtin/checkout.c b/builtin/checkout.c index ffa776c6e1..b5d477919a 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -1,32 +1,33 @@ #define USE_THE_INDEX_COMPATIBILITY_MACROS #include "builtin.h" -#include "config.h" +#include "advice.h" +#include "blob.h" +#include "branch.h" +#include "cache-tree.h" #include "checkout.h" +#include "commit.h" +#include "config.h" +#include "diff.h" +#include "dir.h" +#include "ll-merge.h" #include "lockfile.h" +#include "merge-recursive.h" +#include "object-store.h" #include "parse-options.h" #include "refs.h" -#include "object-store.h" -#include "commit.h" +#include "remote.h" +#include "resolve-undo.h" +#include "revision.h" +#include "run-command.h" +#include "submodule.h" +#include "submodule-config.h" #include "tree.h" #include "tree-walk.h" -#include "cache-tree.h" #include "unpack-trees.h" -#include "dir.h" -#include "run-command.h" -#include "merge-recursive.h" -#include "branch.h" -#include "diff.h" -#include "revision.h" -#include "remote.h" -#include "blob.h" +#include "wt-status.h" #include "xdiff-interface.h" -#include "ll-merge.h" -#include "resolve-undo.h" -#include "submodule-config.h" -#include "submodule.h" -#include "advice.h" - -static int checkout_optimize_new_branch; +#include "entry.h" +#include "parallel-checkout.h" static const char * const checkout_usage[] = { N_("git checkout [<options>] <branch>"), @@ -34,12 +35,23 @@ static const char * const checkout_usage[] = { NULL, }; +static const char * const switch_branch_usage[] = { + N_("git switch [<options>] [<branch>]"), + NULL, +}; + +static const char * const restore_usage[] = { + N_("git restore [<options>] [--source=<branch>] <file>..."), + NULL, +}; + struct checkout_opts { int patch_mode; int quiet; int merge; int force; int force_detach; + int implicit_detach; int writeout_stage; int overwrite_ignore; int ignore_skipworktree; @@ -47,10 +59,21 @@ struct checkout_opts { int show_progress; int count_checkout_paths; int overlay_mode; - /* - * If new checkout options are added, skip_merge_working_tree - * should be updated accordingly. - */ + int dwim_new_local_branch; + int discard_changes; + int accept_ref; + int accept_pathspec; + int switch_branch_doing_nothing_is_ok; + int only_merge_on_switching_branches; + int can_switch_when_in_progress; + int orphan_from_empty_tree; + int empty_pathspec_ok; + int checkout_index; + int checkout_worktree; + const char *ignore_unmerged_opt; + int ignore_unmerged; + int pathspec_file_nul; + const char *pathspec_from_file; const char *new_branch; const char *new_branch_force; @@ -58,19 +81,34 @@ struct checkout_opts { int new_branch_log; enum branch_track track; struct diff_options diff_options; + char *conflict_style; int branch_exists; const char *prefix; struct pathspec pathspec; + const char *from_treeish; struct tree *source_tree; }; +struct branch_info { + const char *name; /* The short name used */ + const char *path; /* The full name of a real branch */ + struct commit *commit; /* The named commit */ + char *refname; /* The full name of the ref being checked out. */ + struct object_id oid; /* The object ID of the commit being checked out. */ + /* + * if not null the branch is detached because it's already + * checked out in this checkout + */ + char *checkout; +}; + static int post_checkout_hook(struct commit *old_commit, struct commit *new_commit, int changed) { return run_hook_le(NULL, "post-checkout", - oid_to_hex(old_commit ? &old_commit->object.oid : &null_oid), - oid_to_hex(new_commit ? &new_commit->object.oid : &null_oid), + oid_to_hex(old_commit ? &old_commit->object.oid : null_oid()), + oid_to_hex(new_commit ? &new_commit->object.oid : null_oid()), changed ? "1" : "0", NULL); /* "new_commit" can be NULL when checking out from the index before a commit exists. */ @@ -78,7 +116,7 @@ static int post_checkout_hook(struct commit *old_commit, struct commit *new_comm } static int update_some(const struct object_id *oid, struct strbuf *base, - const char *pathname, unsigned mode, int stage, void *context) + const char *pathname, unsigned mode, void *context) { int len; struct cache_entry *ce; @@ -105,6 +143,7 @@ static int update_some(const struct object_id *oid, struct strbuf *base, if (pos >= 0) { struct cache_entry *old = active_cache[pos]; if (ce->ce_mode == old->ce_mode && + !ce_intent_to_add(old) && oideq(&ce->oid, &old->oid)) { old->ce_flags |= CE_UPDATE; discard_cache_entry(ce); @@ -118,8 +157,8 @@ static int update_some(const struct object_id *oid, struct strbuf *base, static int read_tree_some(struct tree *tree, const struct pathspec *pathspec) { - read_tree_recursive(the_repository, tree, "", 0, 0, - pathspec, update_some, NULL); + read_tree(the_repository, tree, + pathspec, update_some, NULL); /* update the index with the given tree's info * for all args, expanding wildcards, and exit @@ -192,7 +231,8 @@ static int checkout_stage(int stage, const struct cache_entry *ce, int pos, return error(_("path '%s' does not have their version"), ce->name); } -static int checkout_merged(int pos, const struct checkout *state, int *nr_checkouts) +static int checkout_merged(int pos, const struct checkout *state, + int *nr_checkouts, struct mem_pool *ce_mem_pool) { struct cache_entry *ce = active_cache[pos]; const char *path = ce->name; @@ -202,6 +242,8 @@ static int checkout_merged(int pos, const struct checkout *state, int *nr_checko mmbuffer_t result_buf; struct object_id threeway[3]; unsigned mode = 0; + struct ll_merge_options ll_opts; + int renormalize = 0; memset(threeway, 0, sizeof(threeway)); while (pos < active_nr) { @@ -222,13 +264,12 @@ static int checkout_merged(int pos, const struct checkout *state, int *nr_checko read_mmblob(&ours, &threeway[1]); read_mmblob(&theirs, &threeway[2]); - /* - * NEEDSWORK: re-create conflicts from merges with - * merge.renormalize set, too - */ + memset(&ll_opts, 0, sizeof(ll_opts)); + git_config_get_bool("merge.renormalize", &renormalize); + ll_opts.renormalize = renormalize; status = ll_merge(&result_buf, path, &ancestor, "base", &ours, "ours", &theirs, "theirs", - state->istate, NULL); + state->istate, &ll_opts); free(ancestor.ptr); free(ours.ptr); free(theirs.ptr); @@ -252,11 +293,10 @@ static int checkout_merged(int pos, const struct checkout *state, int *nr_checko if (write_object_file(result_buf.ptr, result_buf.size, blob_type, &oid)) die(_("Unable to add merge result for '%s'"), path); free(result_buf.ptr); - ce = make_transient_cache_entry(mode, &oid, path, 2); + ce = make_transient_cache_entry(mode, &oid, path, 2, ce_mem_pool); if (!ce) die(_("make_cache_entry failed for path '%s'"), path); status = checkout_entry(ce, state, NULL, nr_checkouts); - discard_cache_entry(ce); return status; } @@ -284,7 +324,7 @@ static void mark_ce_for_checkout_overlay(struct cache_entry *ce, * If it comes from the tree-ish, we already know it * matches the pathspec and could just stamp * CE_MATCHED to it from update_some(). But we still - * need ps_matched and read_tree_recursive (and + * need ps_matched and read_tree (and * eventually tree_entry_interesting) cannot fill * ps_matched yet. Once it can, we can avoid calling * match_pathspec() for _all_ entries when @@ -313,17 +353,92 @@ static void mark_ce_for_checkout_no_overlay(struct cache_entry *ce, } } +static int checkout_worktree(const struct checkout_opts *opts, + const struct branch_info *info) +{ + struct checkout state = CHECKOUT_INIT; + int nr_checkouts = 0, nr_unmerged = 0; + int errs = 0; + int pos; + int pc_workers, pc_threshold; + struct mem_pool ce_mem_pool; + + state.force = 1; + state.refresh_cache = 1; + state.istate = &the_index; + + mem_pool_init(&ce_mem_pool, 0); + get_parallel_checkout_configs(&pc_workers, &pc_threshold); + init_checkout_metadata(&state.meta, info->refname, + info->commit ? &info->commit->object.oid : &info->oid, + NULL); + + enable_delayed_checkout(&state); + + if (pc_workers > 1) + init_parallel_checkout(); + + for (pos = 0; pos < active_nr; pos++) { + struct cache_entry *ce = active_cache[pos]; + if (ce->ce_flags & CE_MATCHED) { + if (!ce_stage(ce)) { + errs |= checkout_entry(ce, &state, + NULL, &nr_checkouts); + continue; + } + if (opts->writeout_stage) + errs |= checkout_stage(opts->writeout_stage, + ce, pos, + &state, + &nr_checkouts, opts->overlay_mode); + else if (opts->merge) + errs |= checkout_merged(pos, &state, + &nr_unmerged, + &ce_mem_pool); + pos = skip_same_name(ce, pos) - 1; + } + } + if (pc_workers > 1) + errs |= run_parallel_checkout(&state, pc_workers, pc_threshold, + NULL, NULL); + mem_pool_discard(&ce_mem_pool, should_validate_cache_entries()); + remove_marked_cache_entries(&the_index, 1); + remove_scheduled_dirs(); + errs |= finish_delayed_checkout(&state, &nr_checkouts); + + if (opts->count_checkout_paths) { + if (nr_unmerged) + fprintf_ln(stderr, Q_("Recreated %d merge conflict", + "Recreated %d merge conflicts", + nr_unmerged), + nr_unmerged); + if (opts->source_tree) + fprintf_ln(stderr, Q_("Updated %d path from %s", + "Updated %d paths from %s", + nr_checkouts), + nr_checkouts, + find_unique_abbrev(&opts->source_tree->object.oid, + DEFAULT_ABBREV)); + else if (!nr_unmerged || nr_checkouts) + fprintf_ln(stderr, Q_("Updated %d path from the index", + "Updated %d paths from the index", + nr_checkouts), + nr_checkouts); + } + + return errs; +} + static int checkout_paths(const struct checkout_opts *opts, - const char *revision) + const struct branch_info *new_branch_info) { int pos; - struct checkout state = CHECKOUT_INIT; static char *ps_matched; struct object_id rev; struct commit *head; int errs = 0; struct lock_file lock_file = LOCK_INIT; - int nr_checkouts = 0, nr_unmerged = 0; + int checkout_index; trace2_cmd_mode(opts->patch_mode ? "patch" : "path"); @@ -333,8 +448,9 @@ static int checkout_paths(const struct checkout_opts *opts, if (opts->new_branch_log) die(_("'%s' cannot be used with updating paths"), "-l"); - if (opts->force && opts->patch_mode) - die(_("'%s' cannot be used with updating paths"), "-f"); + if (opts->ignore_unmerged && opts->patch_mode) + die(_("'%s' cannot be used with updating paths"), + opts->ignore_unmerged_opt); if (opts->force_detach) die(_("'%s' cannot be used with updating paths"), "--detach"); @@ -342,16 +458,61 @@ static int checkout_paths(const struct checkout_opts *opts, if (opts->merge && opts->patch_mode) die(_("'%s' cannot be used with %s"), "--merge", "--patch"); - if (opts->force && opts->merge) - die(_("'%s' cannot be used with %s"), "-f", "-m"); + if (opts->ignore_unmerged && opts->merge) + die(_("'%s' cannot be used with %s"), + opts->ignore_unmerged_opt, "-m"); if (opts->new_branch) die(_("Cannot update paths and switch to branch '%s' at the same time."), opts->new_branch); - if (opts->patch_mode) - return run_add_interactive(revision, "--patch=checkout", - &opts->pathspec); + if (!opts->checkout_worktree && !opts->checkout_index) + die(_("neither '%s' or '%s' is specified"), + "--staged", "--worktree"); + + if (!opts->checkout_worktree && !opts->from_treeish) + die(_("'%s' must be used when '%s' is not specified"), + "--worktree", "--source"); + + if (opts->checkout_index && !opts->checkout_worktree && + opts->writeout_stage) + die(_("'%s' or '%s' cannot be used with %s"), + "--ours", "--theirs", "--staged"); + + if (opts->checkout_index && !opts->checkout_worktree && + opts->merge) + die(_("'%s' or '%s' cannot be used with %s"), + "--merge", "--conflict", "--staged"); + + if (opts->patch_mode) { + const char *patch_mode; + const char *rev = new_branch_info->name; + char rev_oid[GIT_MAX_HEXSZ + 1]; + + /* + * Since rev can be in the form of `<a>...<b>` (which is not + * recognized by diff-index), we will always replace the name + * with the hex of the commit (whether it's in `...` form or + * not) for the run_add_interactive() machinery to work + * properly. However, there is special logic for the HEAD case + * so we mustn't replace that. Also, when we were given a + * tree-object, new_branch_info->commit would be NULL, but we + * do not have to do any replacement, either. + */ + if (rev && new_branch_info->commit && strcmp(rev, "HEAD")) + rev = oid_to_hex_r(rev_oid, &new_branch_info->commit->object.oid); + + if (opts->checkout_index && opts->checkout_worktree) + patch_mode = "--patch=checkout"; + else if (opts->checkout_index && !opts->checkout_worktree) + patch_mode = "--patch=reset"; + else if (!opts->checkout_index && opts->checkout_worktree) + patch_mode = "--patch=worktree"; + else + BUG("either flag must have been set, worktree=%d, index=%d", + opts->checkout_worktree, opts->checkout_index); + return run_add_interactive(rev, patch_mode, &opts->pathspec); + } repo_hold_locked_index(the_repository, &lock_file, LOCK_DIE_ON_ERROR); if (read_cache_preload(&opts->pathspec) < 0) @@ -392,8 +553,9 @@ static int checkout_paths(const struct checkout_opts *opts, if (ce->ce_flags & CE_MATCHED) { if (!ce_stage(ce)) continue; - if (opts->force) { - warning(_("path '%s' is unmerged"), ce->name); + if (opts->ignore_unmerged) { + if (!opts->quiet) + warning(_("path '%s' is unmerged"), ce->name); } else if (opts->writeout_stage) { errs |= check_stage(opts->writeout_stage, ce, pos, opts->overlay_mode); } else if (opts->merge) { @@ -409,57 +571,33 @@ static int checkout_paths(const struct checkout_opts *opts, return 1; /* Now we are committed to check them out */ - state.force = 1; - state.refresh_cache = 1; - state.istate = &the_index; + if (opts->checkout_worktree) + errs |= checkout_worktree(opts, new_branch_info); + else + remove_marked_cache_entries(&the_index, 1); - enable_delayed_checkout(&state); - for (pos = 0; pos < active_nr; pos++) { - struct cache_entry *ce = active_cache[pos]; - if (ce->ce_flags & CE_MATCHED) { - if (!ce_stage(ce)) { - errs |= checkout_entry(ce, &state, - NULL, &nr_checkouts); - continue; - } - if (opts->writeout_stage) - errs |= checkout_stage(opts->writeout_stage, - ce, pos, - &state, - &nr_checkouts, opts->overlay_mode); - else if (opts->merge) - errs |= checkout_merged(pos, &state, - &nr_unmerged); - pos = skip_same_name(ce, pos) - 1; - } - } - remove_marked_cache_entries(&the_index, 1); - remove_scheduled_dirs(); - errs |= finish_delayed_checkout(&state, &nr_checkouts); + /* + * Allow updating the index when checking out from the index. + * This is to save new stat info. + */ + if (opts->checkout_worktree && !opts->checkout_index && !opts->source_tree) + checkout_index = 1; + else + checkout_index = opts->checkout_index; - if (opts->count_checkout_paths) { - if (nr_unmerged) - fprintf_ln(stderr, Q_("Recreated %d merge conflict", - "Recreated %d merge conflicts", - nr_unmerged), - nr_unmerged); - if (opts->source_tree) - fprintf_ln(stderr, Q_("Updated %d path from %s", - "Updated %d paths from %s", - nr_checkouts), - nr_checkouts, - find_unique_abbrev(&opts->source_tree->object.oid, - DEFAULT_ABBREV)); - else if (!nr_unmerged || nr_checkouts) - fprintf_ln(stderr, Q_("Updated %d path from the index", - "Updated %d paths from the index", - nr_checkouts), - nr_checkouts); + if (checkout_index) { + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) + die(_("unable to write new index file")); + } else { + /* + * NEEDSWORK: if --worktree is not specified, we + * should save stat info of checked out files in the + * index to avoid the next (potentially costly) + * refresh. But it's a bit tricker to do... + */ + rollback_lock_file(&lock_file); } - if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) - die(_("unable to write new index file")); - read_ref_full("HEAD", 0, &rev, NULL); head = lookup_commit_reference_gently(the_repository, &rev, 1); @@ -478,6 +616,7 @@ static void show_local_changes(struct object *head, diff_setup_done(&rev.diffopt); add_pending_object(&rev, head, NULL); run_diff_index(&rev, 0); + object_array_clear(&rev.pending); } static void describe_detached_head(const char *msg, struct commit *commit) @@ -497,7 +636,8 @@ static void describe_detached_head(const char *msg, struct commit *commit) } static int reset_tree(struct tree *tree, const struct checkout_opts *o, - int worktree, int *writeout_error) + int worktree, int *writeout_error, + struct branch_info *info) { struct unpack_trees_options opts; struct tree_desc tree_desc; @@ -512,6 +652,9 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o, opts.verbose_update = o->show_progress; opts.src_index = &the_index; opts.dst_index = &the_index; + init_checkout_metadata(&opts.meta, info->refname, + info->commit ? &info->commit->object.oid : null_oid(), + NULL); parse_tree(tree); init_tree_desc(&tree_desc, tree->buffer, tree->size); switch (unpack_trees(1, &tree_desc, &opts)) { @@ -531,21 +674,17 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o, } } -struct branch_info { - const char *name; /* The short name used */ - const char *path; /* The full name of a real branch */ - struct commit *commit; /* The named commit */ - /* - * if not null the branch is detached because it's already - * checked out in this checkout - */ - char *checkout; -}; - static void setup_branch_path(struct branch_info *branch) { struct strbuf buf = STRBUF_INIT; + /* + * If this is a ref, resolve it; otherwise, look up the OID for our + * expression. Failure here is okay. + */ + if (!dwim_ref(branch->name, strlen(branch->name), &branch->oid, &branch->refname, 0)) + repo_get_oid_committish(the_repository, branch->name, &branch->oid); + strbuf_branchname(&buf, branch->name, INTERPRET_BRANCH_LOCAL); if (strcmp(buf.buf, branch->name)) branch->name = xstrdup(buf.buf); @@ -553,112 +692,6 @@ static void setup_branch_path(struct branch_info *branch) branch->path = strbuf_detach(&buf, NULL); } -/* - * Skip merging the trees, updating the index and working directory if and - * only if we are creating a new branch via "git checkout -b <new_branch>." - */ -static int skip_merge_working_tree(const struct checkout_opts *opts, - const struct branch_info *old_branch_info, - const struct branch_info *new_branch_info) -{ - /* - * Do the merge if sparse checkout is on and the user has not opted in - * to the optimized behavior - */ - if (core_apply_sparse_checkout && !checkout_optimize_new_branch) - return 0; - - /* - * We must do the merge if we are actually moving to a new commit. - */ - if (!old_branch_info->commit || !new_branch_info->commit || - !oideq(&old_branch_info->commit->object.oid, - &new_branch_info->commit->object.oid)) - return 0; - - /* - * opts->patch_mode cannot be used with switching branches so is - * not tested here - */ - - /* - * opts->quiet only impacts output so doesn't require a merge - */ - - /* - * Honor the explicit request for a three-way merge or to throw away - * local changes - */ - if (opts->merge || opts->force) - return 0; - - /* - * --detach is documented as "updating the index and the files in the - * working tree" but this optimization skips those steps so fall through - * to the regular code path. - */ - if (opts->force_detach) - return 0; - - /* - * opts->writeout_stage cannot be used with switching branches so is - * not tested here - */ - - /* - * Honor the explicit ignore requests - */ - if (!opts->overwrite_ignore || opts->ignore_skipworktree || - opts->ignore_other_worktrees) - return 0; - - /* - * opts->show_progress only impacts output so doesn't require a merge - */ - - /* - * opts->overlay_mode cannot be used with switching branches so is - * not tested here - */ - - /* - * If we aren't creating a new branch any changes or updates will - * happen in the existing branch. Since that could only be updating - * the index and working directory, we don't want to skip those steps - * or we've defeated any purpose in running the command. - */ - if (!opts->new_branch) - return 0; - - /* - * new_branch_force is defined to "create/reset and checkout a branch" - * so needs to go through the merge to do the reset - */ - if (opts->new_branch_force) - return 0; - - /* - * A new orphaned branch requrires the index and the working tree to be - * adjusted to <start_point> - */ - if (opts->new_orphan_branch) - return 0; - - /* - * Remaining variables are not checkout options but used to track state - */ - - /* - * Do the merge if this is the initial checkout. We cannot use - * is_cache_unborn() here because the index hasn't been loaded yet - * so cache_nr and timestamp.sec are always zero. - */ - if (!file_exists(get_index_file())) - return 0; - - return 1; -} - static int merge_working_tree(const struct checkout_opts *opts, struct branch_info *old_branch_info, struct branch_info *new_branch_info, @@ -666,15 +699,21 @@ static int merge_working_tree(const struct checkout_opts *opts, { int ret; struct lock_file lock_file = LOCK_INIT; + struct tree *new_tree; hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); if (read_cache_preload(NULL) < 0) return error(_("index file corrupt")); resolve_undo_clear(); - if (opts->force) { - ret = reset_tree(get_commit_tree(new_branch_info->commit), - opts, 1, writeout_error); + if (opts->new_orphan_branch && opts->orphan_from_empty_tree) { + if (new_branch_info->commit) + BUG("'switch --orphan' should never accept a commit as starting point"); + new_tree = parse_tree_indirect(the_hash_algo->empty_tree); + } else + new_tree = get_commit_tree(new_branch_info->commit); + if (opts->discard_changes) { + ret = reset_tree(new_tree, opts, 1, writeout_error, new_branch_info); if (ret) return ret; } else { @@ -703,6 +742,10 @@ static int merge_working_tree(const struct checkout_opts *opts, topts.quiet = opts->merge && old_branch_info->commit; topts.verbose_update = opts->show_progress; topts.fn = twoway_merge; + init_checkout_metadata(&topts.meta, new_branch_info->refname, + new_branch_info->commit ? + &new_branch_info->commit->object.oid : + &new_branch_info->oid, NULL); if (opts->overwrite_ignore) { topts.dir = xcalloc(1, sizeof(*topts.dir)); topts.dir->flags |= DIR_SHOW_IGNORED; @@ -712,7 +755,8 @@ static int merge_working_tree(const struct checkout_opts *opts, &old_branch_info->commit->object.oid : the_hash_algo->empty_tree); init_tree_desc(&trees[0], tree->buffer, tree->size); - tree = parse_tree_indirect(&new_branch_info->commit->object.oid); + parse_tree(new_tree); + tree = new_tree; init_tree_desc(&trees[1], tree->buffer, tree->size); ret = unpack_trees(2, trees, &topts); @@ -723,11 +767,11 @@ static int merge_working_tree(const struct checkout_opts *opts, * give up or do a real merge, depending on * whether the merge flag was used. */ - struct tree *result; struct tree *work; struct tree *old_tree; struct merge_options o; struct strbuf sb = STRBUF_INIT; + struct strbuf old_commit_shortname = STRBUF_INIT; if (!opts->merge) return 1; @@ -745,13 +789,6 @@ static int merge_working_tree(const struct checkout_opts *opts, "the following files:\n%s"), sb.buf); strbuf_release(&sb); - if (repo_index_has_changes(the_repository, - get_commit_tree(old_branch_info->commit), - &sb)) - warning(_("staged changes in the following files may be lost: %s"), - sb.buf); - strbuf_release(&sb); - /* Do more real merge */ /* @@ -766,51 +803,47 @@ static int merge_working_tree(const struct checkout_opts *opts, */ add_files_to_cache(NULL, NULL, 0); - /* - * NEEDSWORK: carrying over local changes - * when branches have different end-of-line - * normalization (or clean+smudge rules) is - * a pain; plumb in an option to set - * o.renormalize? - */ init_merge_options(&o, the_repository); o.verbosity = 0; - work = write_tree_from_memory(&o); + work = write_in_core_index_as_tree(the_repository); - ret = reset_tree(get_commit_tree(new_branch_info->commit), + ret = reset_tree(new_tree, opts, 1, - writeout_error); + writeout_error, new_branch_info); if (ret) return ret; o.ancestor = old_branch_info->name; + if (old_branch_info->name == NULL) { + strbuf_add_unique_abbrev(&old_commit_shortname, + &old_branch_info->commit->object.oid, + DEFAULT_ABBREV); + o.ancestor = old_commit_shortname.buf; + } o.branch1 = new_branch_info->name; o.branch2 = "local"; ret = merge_trees(&o, - get_commit_tree(new_branch_info->commit), + new_tree, work, - old_tree, - &result); + old_tree); if (ret < 0) exit(128); - ret = reset_tree(get_commit_tree(new_branch_info->commit), + ret = reset_tree(new_tree, opts, 0, - writeout_error); + writeout_error, new_branch_info); strbuf_release(&o.obuf); + strbuf_release(&old_commit_shortname); if (ret) return ret; } } - if (!active_cache_tree) - active_cache_tree = cache_tree(); - if (!cache_tree_fully_valid(active_cache_tree)) cache_tree_update(&the_index, WRITE_TREE_SILENT | WRITE_TREE_REPAIR); if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); - if (!opts->force && !opts->quiet) + if (!opts->discard_changes && !opts->quiet && new_branch_info->commit) show_local_changes(&new_branch_info->commit->object, &opts->diff_options); return 0; @@ -876,7 +909,7 @@ static void update_refs_for_switch(const struct checkout_opts *opts, strbuf_addf(&msg, "checkout: moving from %s to %s", old_desc ? old_desc : "(invalid)", new_branch_info->name); else - strbuf_insert(&msg, 0, reflog_msg, strlen(reflog_msg)); + strbuf_insertstr(&msg, 0, reflog_msg); if (!strcmp(new_branch_info->name, "HEAD") && !new_branch_info->path && !opts->force_detach) { /* Nothing to do. */ @@ -915,7 +948,7 @@ static void update_refs_for_switch(const struct checkout_opts *opts, delete_reflog(old_branch_info->path); } } - remove_branch_state(the_repository); + remove_branch_state(the_repository, !opts->quiet); strbuf_release(&msg); if (!opts->quiet && (new_branch_info->path || (!opts->force_detach && !strcmp(new_branch_info->name, "HEAD")))) @@ -1011,7 +1044,10 @@ static void orphaned_commit_warning(struct commit *old_commit, struct commit *ne add_pending_object(&revs, object, oid_to_hex(&object->oid)); for_each_ref(add_pending_uninteresting_ref, &revs); - add_pending_oid(&revs, "HEAD", &new_commit->object.oid, UNINTERESTING); + if (new_commit) + add_pending_oid(&revs, "HEAD", + &new_commit->object.oid, + UNINTERESTING); if (prepare_revision_walk(&revs)) die(_("internal error in revision walk")); @@ -1021,7 +1057,7 @@ static void orphaned_commit_warning(struct commit *old_commit, struct commit *ne describe_detached_head(_("Previous HEAD position was"), old_commit); /* Clean up objects used, as they will be reused. */ - clear_commit_marks_all(ALL_REV_FLAGS); + repo_clear_commit_marks(the_repository, ALL_REV_FLAGS); } static int switch_branches(const struct checkout_opts *opts, @@ -1032,6 +1068,7 @@ static int switch_branches(const struct checkout_opts *opts, void *path_to_free; struct object_id rev; int flag, writeout_error = 0; + int do_merge = 1; trace2_cmd_mode("branch"); @@ -1045,22 +1082,26 @@ static int switch_branches(const struct checkout_opts *opts, if (old_branch_info.path) skip_prefix(old_branch_info.path, "refs/heads/", &old_branch_info.name); + if (opts->new_orphan_branch && opts->orphan_from_empty_tree) { + if (new_branch_info->name) + BUG("'switch --orphan' should never accept a commit as starting point"); + new_branch_info->commit = NULL; + new_branch_info->name = "(empty)"; + do_merge = 1; + } + if (!new_branch_info->name) { new_branch_info->name = "HEAD"; new_branch_info->commit = old_branch_info.commit; if (!new_branch_info->commit) die(_("You are on a branch yet to be born")); parse_commit_or_die(new_branch_info->commit); + + if (opts->only_merge_on_switching_branches) + do_merge = 0; } - /* optimize the "checkout -b <new_branch> path */ - if (skip_merge_working_tree(opts, &old_branch_info, new_branch_info)) { - if (!checkout_optimize_new_branch && !opts->quiet) { - if (read_cache_preload(NULL) < 0) - return error(_("index file corrupt")); - show_local_changes(&new_branch_info->commit->object, &opts->diff_options); - } - } else { + if (do_merge) { ret = merge_working_tree(opts, &old_branch_info, new_branch_info, &writeout_error); if (ret) { free(path_to_free); @@ -1080,16 +1121,16 @@ static int switch_branches(const struct checkout_opts *opts, static int git_checkout_config(const char *var, const char *value, void *cb) { - if (!strcmp(var, "checkout.optimizenewbranch")) { - checkout_optimize_new_branch = git_config_bool(var, value); - return 0; - } + struct checkout_opts *opts = cb; if (!strcmp(var, "diff.ignoresubmodules")) { - struct checkout_opts *opts = cb; handle_ignore_submodules_arg(&opts->diff_options, value); return 0; } + if (!strcmp(var, "checkout.guess")) { + opts->dwim_new_local_branch = git_config_bool(var, value); + return 0; + } if (starts_with(var, "submodule.")) return git_default_submodule_config(var, value, NULL); @@ -1097,17 +1138,76 @@ static int git_checkout_config(const char *var, const char *value, void *cb) return git_xmerge_config(var, value, NULL); } +static void setup_new_branch_info_and_source_tree( + struct branch_info *new_branch_info, + struct checkout_opts *opts, + struct object_id *rev, + const char *arg) +{ + struct tree **source_tree = &opts->source_tree; + struct object_id branch_rev; + + new_branch_info->name = arg; + setup_branch_path(new_branch_info); + + if (!check_refname_format(new_branch_info->path, 0) && + !read_ref(new_branch_info->path, &branch_rev)) + oidcpy(rev, &branch_rev); + else { + free((char *)new_branch_info->path); + new_branch_info->path = NULL; /* not an existing branch */ + } + + new_branch_info->commit = lookup_commit_reference_gently(the_repository, rev, 1); + if (!new_branch_info->commit) { + /* not a commit */ + *source_tree = parse_tree_indirect(rev); + } else { + parse_commit_or_die(new_branch_info->commit); + *source_tree = get_commit_tree(new_branch_info->commit); + } +} + +static const char *parse_remote_branch(const char *arg, + struct object_id *rev, + int could_be_checkout_paths) +{ + int num_matches = 0; + const char *remote = unique_tracking_name(arg, rev, &num_matches); + + if (remote && could_be_checkout_paths) { + die(_("'%s' could be both a local file and a tracking branch.\n" + "Please use -- (and optionally --no-guess) to disambiguate"), + arg); + } + + if (!remote && num_matches > 1) { + if (advice_checkout_ambiguous_remote_branch_name) { + advise(_("If you meant to check out a remote tracking branch on, e.g. 'origin',\n" + "you can do so by fully qualifying the name with the --track option:\n" + "\n" + " git checkout --track origin/<name>\n" + "\n" + "If you'd like to always have checkouts of an ambiguous <name> prefer\n" + "one remote, e.g. the 'origin' remote, consider setting\n" + "checkout.defaultRemote=origin in your config.")); + } + + die(_("'%s' matched multiple (%d) remote tracking branches"), + arg, num_matches); + } + + return remote; +} + static int parse_branchname_arg(int argc, const char **argv, int dwim_new_local_branch_ok, struct branch_info *new_branch_info, struct checkout_opts *opts, - struct object_id *rev, - int *dwim_remotes_matched) + struct object_id *rev) { - struct tree **source_tree = &opts->source_tree; const char **new_branch = &opts->new_branch; int argcount = 0; - struct object_id branch_rev; const char *arg; int dash_dash_pos; int has_dash_dash = 0; @@ -1157,10 +1257,16 @@ static int parse_branchname_arg(int argc, const char **argv, if (!argc) return 0; + if (!opts->accept_pathspec) { + if (argc > 1) + die(_("only one reference expected")); + has_dash_dash = 1; /* helps disambiguate */ + } + arg = argv[0]; dash_dash_pos = -1; for (i = 0; i < argc; i++) { - if (!strcmp(argv[i], "--")) { + if (opts->accept_pathspec && !strcmp(argv[i], "--")) { dash_dash_pos = i; break; } @@ -1194,21 +1300,18 @@ static int parse_branchname_arg(int argc, const char **argv, recover_with_dwim = 0; /* - * Accept "git checkout foo" and "git checkout foo --" - * as candidates for dwim. + * Accept "git checkout foo", "git checkout foo --" + * and "git switch foo" as candidates for dwim. */ if (!(argc == 1 && !has_dash_dash) && - !(argc == 2 && has_dash_dash)) + !(argc == 2 && has_dash_dash) && + opts->accept_pathspec) recover_with_dwim = 0; if (recover_with_dwim) { - const char *remote = unique_tracking_name(arg, rev, - dwim_remotes_matched); + const char *remote = parse_remote_branch(arg, rev, + could_be_checkout_paths); if (remote) { - if (could_be_checkout_paths) - die(_("'%s' could be both a local file and a tracking branch.\n" - "Please use -- (and optionally --no-guess) to disambiguate"), - arg); *new_branch = arg; arg = remote; /* DWIMmed to create local branch, case (3).(b) */ @@ -1229,26 +1332,11 @@ static int parse_branchname_arg(int argc, const char **argv, argv++; argc--; - new_branch_info->name = arg; - setup_branch_path(new_branch_info); - - if (!check_refname_format(new_branch_info->path, 0) && - !read_ref(new_branch_info->path, &branch_rev)) - oidcpy(rev, &branch_rev); - else - new_branch_info->path = NULL; /* not an existing branch */ - - new_branch_info->commit = lookup_commit_reference_gently(the_repository, rev, 1); - if (!new_branch_info->commit) { - /* not a commit */ - *source_tree = parse_tree_indirect(rev); - } else { - parse_commit_or_die(new_branch_info->commit); - *source_tree = get_commit_tree(new_branch_info->commit); - } + setup_new_branch_info_and_source_tree(new_branch_info, opts, rev, arg); - if (!*source_tree) /* case (1): want a tree */ + if (!opts->source_tree) /* case (1): want a tree */ die(_("reference is not a tree: %s"), arg); + if (!has_dash_dash) { /* case (3).(d) -> (1) */ /* * Do not complain the most common case @@ -1258,7 +1346,7 @@ static int parse_branchname_arg(int argc, const char **argv, */ if (argc) verify_non_filename(opts->prefix, arg); - } else { + } else if (opts->accept_pathspec) { argcount++; argv++; argc--; @@ -1285,6 +1373,60 @@ static int switch_unborn_to_new_branch(const struct checkout_opts *opts) return status; } +static void die_expecting_a_branch(const struct branch_info *branch_info) +{ + struct object_id oid; + char *to_free; + + if (dwim_ref(branch_info->name, strlen(branch_info->name), &oid, &to_free, 0) == 1) { + const char *ref = to_free; + + if (skip_prefix(ref, "refs/tags/", &ref)) + die(_("a branch is expected, got tag '%s'"), ref); + if (skip_prefix(ref, "refs/remotes/", &ref)) + die(_("a branch is expected, got remote branch '%s'"), ref); + die(_("a branch is expected, got '%s'"), ref); + } + if (branch_info->commit) + die(_("a branch is expected, got commit '%s'"), branch_info->name); + /* + * This case should never happen because we already die() on + * non-commit, but just in case. + */ + die(_("a branch is expected, got '%s'"), branch_info->name); +} + +static void die_if_some_operation_in_progress(void) +{ + struct wt_status_state state; + + memset(&state, 0, sizeof(state)); + wt_status_get_state(the_repository, &state, 0); + + if (state.merge_in_progress) + die(_("cannot switch branch while merging\n" + "Consider \"git merge --quit\" " + "or \"git worktree add\".")); + if (state.am_in_progress) + die(_("cannot switch branch in the middle of an am session\n" + "Consider \"git am --quit\" " + "or \"git worktree add\".")); + if (state.rebase_interactive_in_progress || state.rebase_in_progress) + die(_("cannot switch branch while rebasing\n" + "Consider \"git rebase --quit\" " + "or \"git worktree add\".")); + if (state.cherry_pick_in_progress) + die(_("cannot switch branch while cherry-picking\n" + "Consider \"git cherry-pick --quit\" " + "or \"git worktree add\".")); + if (state.revert_in_progress) + die(_("cannot switch branch while reverting\n" + "Consider \"git revert --quit\" " + "or \"git worktree add\".")); + if (state.bisect_in_progress) + warning(_("you are switching branch while bisecting")); +} + static int checkout_branch(struct checkout_opts *opts, struct branch_info *new_branch_info) { @@ -1295,9 +1437,9 @@ static int checkout_branch(struct checkout_opts *opts, die(_("'%s' cannot be used with switching branches"), "--patch"); - if (!opts->overlay_mode) + if (opts->overlay_mode != -1) die(_("'%s' cannot be used with switching branches"), - "--no-overlay"); + "--[no]-overlay"); if (opts->writeout_stage) die(_("'%s' cannot be used with switching branches"), @@ -1306,6 +1448,9 @@ static int checkout_branch(struct checkout_opts *opts, if (opts->force && opts->merge) die(_("'%s' cannot be used with '%s'"), "-f", "-m"); + if (opts->discard_changes && opts->merge) + die(_("'%s' cannot be used with '%s'"), "--discard-changes", "--merge"); + if (opts->force_detach && opts->new_branch) die(_("'%s' cannot be used with '%s'"), "--detach", "-b/-B/--orphan"); @@ -1313,6 +1458,8 @@ static int checkout_branch(struct checkout_opts *opts, if (opts->new_orphan_branch) { if (opts->track != BRANCH_TRACK_UNSPECIFIED) die(_("'%s' cannot be used with '%s'"), "--orphan", "-t"); + if (opts->orphan_from_empty_tree && new_branch_info->name) + die(_("'%s' cannot take <start-point>"), "--orphan"); } else if (opts->force_detach) { if (opts->track != BRANCH_TRACK_UNSPECIFIED) die(_("'%s' cannot be used with '%s'"), "--detach", "-t"); @@ -1323,6 +1470,23 @@ static int checkout_branch(struct checkout_opts *opts, die(_("Cannot switch branch to a non-commit '%s'"), new_branch_info->name); + if (!opts->switch_branch_doing_nothing_is_ok && + !new_branch_info->name && + !opts->new_branch && + !opts->force_detach) + die(_("missing branch or commit argument")); + + if (!opts->implicit_detach && + !opts->force_detach && + !opts->new_branch && + !opts->new_branch_force && + new_branch_info->name && + !new_branch_info->path) + die_expecting_a_branch(new_branch_info); + + if (!opts->can_switch_when_in_progress) + die_if_some_operation_in_progress(); + if (new_branch_info->path && !opts->force_detach && !opts->new_branch && !opts->ignore_other_worktrees) { int flag; @@ -1344,99 +1508,156 @@ static int checkout_branch(struct checkout_opts *opts, return switch_branches(opts, new_branch_info); } -int cmd_checkout(int argc, const char **argv, const char *prefix) +static struct option *add_common_options(struct checkout_opts *opts, + struct option *prevopts) { - struct checkout_opts opts; - struct branch_info new_branch_info; - char *conflict_style = NULL; - int dwim_new_local_branch, no_dwim_new_local_branch = 0; - int dwim_remotes_matched = 0; struct option options[] = { - OPT__QUIET(&opts.quiet, N_("suppress progress reporting")), - OPT_STRING('b', NULL, &opts.new_branch, N_("branch"), - N_("create and checkout a new branch")), - OPT_STRING('B', NULL, &opts.new_branch_force, N_("branch"), - N_("create/reset and checkout a branch")), - OPT_BOOL('l', NULL, &opts.new_branch_log, N_("create reflog for new branch")), - OPT_BOOL(0, "detach", &opts.force_detach, N_("detach HEAD at named commit")), - OPT_SET_INT('t', "track", &opts.track, N_("set upstream info for new branch"), + OPT__QUIET(&opts->quiet, N_("suppress progress reporting")), + OPT_CALLBACK_F(0, "recurse-submodules", NULL, + "checkout", "control recursive updating of submodules", + PARSE_OPT_OPTARG, option_parse_recurse_submodules_worktree_updater), + OPT_BOOL(0, "progress", &opts->show_progress, N_("force progress reporting")), + OPT_BOOL('m', "merge", &opts->merge, N_("perform a 3-way merge with the new branch")), + OPT_STRING(0, "conflict", &opts->conflict_style, N_("style"), + N_("conflict style (merge or diff3)")), + OPT_END() + }; + struct option *newopts = parse_options_concat(prevopts, options); + free(prevopts); + return newopts; +} + +static struct option *add_common_switch_branch_options( + struct checkout_opts *opts, struct option *prevopts) +{ + struct option options[] = { + OPT_BOOL('d', "detach", &opts->force_detach, N_("detach HEAD at named commit")), + OPT_SET_INT('t', "track", &opts->track, N_("set upstream info for new branch"), BRANCH_TRACK_EXPLICIT), - OPT_STRING(0, "orphan", &opts.new_orphan_branch, N_("new-branch"), N_("new unparented branch")), - OPT_SET_INT_F('2', "ours", &opts.writeout_stage, + OPT__FORCE(&opts->force, N_("force checkout (throw away local modifications)"), + PARSE_OPT_NOCOMPLETE), + OPT_STRING(0, "orphan", &opts->new_orphan_branch, N_("new-branch"), N_("new unparented branch")), + OPT_BOOL_F(0, "overwrite-ignore", &opts->overwrite_ignore, + N_("update ignored files (default)"), + PARSE_OPT_NOCOMPLETE), + OPT_BOOL(0, "ignore-other-worktrees", &opts->ignore_other_worktrees, + N_("do not check if another worktree is holding the given ref")), + OPT_END() + }; + struct option *newopts = parse_options_concat(prevopts, options); + free(prevopts); + return newopts; +} + +static struct option *add_checkout_path_options(struct checkout_opts *opts, + struct option *prevopts) +{ + struct option options[] = { + OPT_SET_INT_F('2', "ours", &opts->writeout_stage, N_("checkout our version for unmerged files"), 2, PARSE_OPT_NONEG), - OPT_SET_INT_F('3', "theirs", &opts.writeout_stage, + OPT_SET_INT_F('3', "theirs", &opts->writeout_stage, N_("checkout their version for unmerged files"), 3, PARSE_OPT_NONEG), - OPT__FORCE(&opts.force, N_("force checkout (throw away local modifications)"), - PARSE_OPT_NOCOMPLETE), - OPT_BOOL('m', "merge", &opts.merge, N_("perform a 3-way merge with the new branch")), - OPT_BOOL_F(0, "overwrite-ignore", &opts.overwrite_ignore, - N_("update ignored files (default)"), - PARSE_OPT_NOCOMPLETE), - OPT_STRING(0, "conflict", &conflict_style, N_("style"), - N_("conflict style (merge or diff3)")), - OPT_BOOL('p', "patch", &opts.patch_mode, N_("select hunks interactively")), - OPT_BOOL(0, "ignore-skip-worktree-bits", &opts.ignore_skipworktree, + OPT_BOOL('p', "patch", &opts->patch_mode, N_("select hunks interactively")), + OPT_BOOL(0, "ignore-skip-worktree-bits", &opts->ignore_skipworktree, N_("do not limit pathspecs to sparse entries only")), - OPT_BOOL(0, "no-guess", &no_dwim_new_local_branch, - N_("do not second guess 'git checkout <no-such-branch>'")), - OPT_BOOL(0, "ignore-other-worktrees", &opts.ignore_other_worktrees, - N_("do not check if another worktree is holding the given ref")), - { OPTION_CALLBACK, 0, "recurse-submodules", NULL, - "checkout", "control recursive updating of submodules", - PARSE_OPT_OPTARG, option_parse_recurse_submodules_worktree_updater }, - OPT_BOOL(0, "progress", &opts.show_progress, N_("force progress reporting")), - OPT_BOOL(0, "overlay", &opts.overlay_mode, N_("use overlay mode (default)")), - OPT_END(), + OPT_PATHSPEC_FROM_FILE(&opts->pathspec_from_file), + OPT_PATHSPEC_FILE_NUL(&opts->pathspec_file_nul), + OPT_END() }; + struct option *newopts = parse_options_concat(prevopts, options); + free(prevopts); + return newopts; +} + +/* create-branch option (either b or c) */ +static char cb_option = 'b'; + +static int checkout_main(int argc, const char **argv, const char *prefix, + struct checkout_opts *opts, struct option *options, + const char * const usagestr[]) +{ + struct branch_info new_branch_info; + int parseopt_flags = 0; - memset(&opts, 0, sizeof(opts)); memset(&new_branch_info, 0, sizeof(new_branch_info)); - opts.overwrite_ignore = 1; - opts.prefix = prefix; - opts.show_progress = -1; - opts.overlay_mode = -1; + opts->overwrite_ignore = 1; + opts->prefix = prefix; + opts->show_progress = -1; + + git_config(git_checkout_config, opts); + + prepare_repo_settings(the_repository); + the_repository->settings.command_requires_full_index = 0; - git_config(git_checkout_config, &opts); + opts->track = BRANCH_TRACK_UNSPECIFIED; - opts.track = BRANCH_TRACK_UNSPECIFIED; + if (!opts->accept_pathspec && !opts->accept_ref) + BUG("make up your mind, you need to take _something_"); + if (opts->accept_pathspec && opts->accept_ref) + parseopt_flags = PARSE_OPT_KEEP_DASHDASH; - argc = parse_options(argc, argv, prefix, options, checkout_usage, - PARSE_OPT_KEEP_DASHDASH); + argc = parse_options(argc, argv, prefix, options, + usagestr, parseopt_flags); - dwim_new_local_branch = !no_dwim_new_local_branch; - if (opts.show_progress < 0) { - if (opts.quiet) - opts.show_progress = 0; + if (opts->show_progress < 0) { + if (opts->quiet) + opts->show_progress = 0; else - opts.show_progress = isatty(2); + opts->show_progress = isatty(2); } - if (conflict_style) { - opts.merge = 1; /* implied */ - git_xmerge_config("merge.conflictstyle", conflict_style, NULL); + if (opts->conflict_style) { + opts->merge = 1; /* implied */ + git_xmerge_config("merge.conflictstyle", opts->conflict_style, NULL); + } + if (opts->force) { + opts->discard_changes = 1; + opts->ignore_unmerged_opt = "--force"; + opts->ignore_unmerged = 1; } - if ((!!opts.new_branch + !!opts.new_branch_force + !!opts.new_orphan_branch) > 1) - die(_("-b, -B and --orphan are mutually exclusive")); + if ((!!opts->new_branch + !!opts->new_branch_force + !!opts->new_orphan_branch) > 1) + die(_("-%c, -%c and --orphan are mutually exclusive"), + cb_option, toupper(cb_option)); - if (opts.overlay_mode == 1 && opts.patch_mode) + if (opts->overlay_mode == 1 && opts->patch_mode) die(_("-p and --overlay are mutually exclusive")); + if (opts->checkout_index >= 0 || opts->checkout_worktree >= 0) { + if (opts->checkout_index < 0) + opts->checkout_index = 0; + if (opts->checkout_worktree < 0) + opts->checkout_worktree = 0; + } else { + if (opts->checkout_index < 0) + opts->checkout_index = -opts->checkout_index - 1; + if (opts->checkout_worktree < 0) + opts->checkout_worktree = -opts->checkout_worktree - 1; + } + if (opts->checkout_index < 0 || opts->checkout_worktree < 0) + BUG("these flags should be non-negative by now"); + /* + * convenient shortcut: "git restore --staged [--worktree]" equals + * "git restore --staged [--worktree] --source HEAD" + */ + if (!opts->from_treeish && opts->checkout_index) + opts->from_treeish = "HEAD"; + /* * From here on, new_branch will contain the branch to be checked out, * and new_branch_force and new_orphan_branch will tell us which one of - * -b/-B/--orphan is being used. + * -b/-B/-c/-C/--orphan is being used. */ - if (opts.new_branch_force) - opts.new_branch = opts.new_branch_force; + if (opts->new_branch_force) + opts->new_branch = opts->new_branch_force; - if (opts.new_orphan_branch) - opts.new_branch = opts.new_orphan_branch; + if (opts->new_orphan_branch) + opts->new_branch = opts->new_orphan_branch; - /* --track without -b/-B/--orphan should DWIM */ - if (opts.track != BRANCH_TRACK_UNSPECIFIED && !opts.new_branch) { + /* --track without -c/-C/-b/-B/--orphan should DWIM */ + if (opts->track != BRANCH_TRACK_UNSPECIFIED && !opts->new_branch) { const char *argv0 = argv[0]; if (!argc || !strcmp(argv0, "--")) die(_("--track needs a branch name")); @@ -1444,8 +1665,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) skip_prefix(argv0, "remotes/", &argv0); argv0 = strchr(argv0, '/'); if (!argv0 || !argv0[1]) - die(_("missing branch name; try -b")); - opts.new_branch = argv0 + 1; + die(_("missing branch name; try -%c"), cb_option); + opts->new_branch = argv0 + 1; } /* @@ -1461,77 +1682,223 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) * including "last branch" syntax and DWIM-ery for names of * remote branches, erroring out for invalid or ambiguous cases. */ - if (argc) { + if (argc && opts->accept_ref) { struct object_id rev; int dwim_ok = - !opts.patch_mode && - dwim_new_local_branch && - opts.track == BRANCH_TRACK_UNSPECIFIED && - !opts.new_branch; + !opts->patch_mode && + opts->dwim_new_local_branch && + opts->track == BRANCH_TRACK_UNSPECIFIED && + !opts->new_branch; int n = parse_branchname_arg(argc, argv, dwim_ok, - &new_branch_info, &opts, &rev, - &dwim_remotes_matched); + &new_branch_info, opts, &rev); argv += n; argc -= n; + } else if (!opts->accept_ref && opts->from_treeish) { + struct object_id rev; + + if (get_oid_mb(opts->from_treeish, &rev)) + die(_("could not resolve %s"), opts->from_treeish); + + setup_new_branch_info_and_source_tree(&new_branch_info, + opts, &rev, + opts->from_treeish); + + if (!opts->source_tree) + die(_("reference is not a tree: %s"), opts->from_treeish); } if (argc) { - parse_pathspec(&opts.pathspec, 0, - opts.patch_mode ? PATHSPEC_PREFIX_ORIGIN : 0, + parse_pathspec(&opts->pathspec, 0, + opts->patch_mode ? PATHSPEC_PREFIX_ORIGIN : 0, prefix, argv); - if (!opts.pathspec.nr) + if (!opts->pathspec.nr) die(_("invalid path specification")); /* * Try to give more helpful suggestion. * new_branch && argc > 1 will be caught later. */ - if (opts.new_branch && argc == 1) + if (opts->new_branch && argc == 1 && !new_branch_info.commit) die(_("'%s' is not a commit and a branch '%s' cannot be created from it"), - argv[0], opts.new_branch); + argv[0], opts->new_branch); - if (opts.force_detach) + if (opts->force_detach) die(_("git checkout: --detach does not take a path argument '%s'"), argv[0]); + } + + if (opts->pathspec_from_file) { + if (opts->pathspec.nr) + die(_("--pathspec-from-file is incompatible with pathspec arguments")); + + if (opts->force_detach) + die(_("--pathspec-from-file is incompatible with --detach")); - if (1 < !!opts.writeout_stage + !!opts.force + !!opts.merge) + if (opts->patch_mode) + die(_("--pathspec-from-file is incompatible with --patch")); + + parse_pathspec_file(&opts->pathspec, 0, + 0, + prefix, opts->pathspec_from_file, opts->pathspec_file_nul); + } else if (opts->pathspec_file_nul) { + die(_("--pathspec-file-nul requires --pathspec-from-file")); + } + + opts->pathspec.recursive = 1; + + if (opts->pathspec.nr) { + if (1 < !!opts->writeout_stage + !!opts->force + !!opts->merge) die(_("git checkout: --ours/--theirs, --force and --merge are incompatible when\n" "checking out of the index.")); + } else { + if (opts->accept_pathspec && !opts->empty_pathspec_ok && + !opts->patch_mode) /* patch mode is special */ + die(_("you must specify path(s) to restore")); } - if (opts.new_branch) { + if (opts->new_branch) { struct strbuf buf = STRBUF_INIT; - if (opts.new_branch_force) - opts.branch_exists = validate_branchname(opts.new_branch, &buf); + if (opts->new_branch_force) + opts->branch_exists = validate_branchname(opts->new_branch, &buf); else - opts.branch_exists = - validate_new_branchname(opts.new_branch, &buf, 0); + opts->branch_exists = + validate_new_branchname(opts->new_branch, &buf, 0); strbuf_release(&buf); } UNLEAK(opts); - if (opts.patch_mode || opts.pathspec.nr) { - int ret = checkout_paths(&opts, new_branch_info.name); - if (ret && dwim_remotes_matched > 1 && - advice_checkout_ambiguous_remote_branch_name) - advise(_("'%s' matched more than one remote tracking branch.\n" - "We found %d remotes with a reference that matched. So we fell back\n" - "on trying to resolve the argument as a path, but failed there too!\n" - "\n" - "If you meant to check out a remote tracking branch on, e.g. 'origin',\n" - "you can do so by fully qualifying the name with the --track option:\n" - "\n" - " git checkout --track origin/<name>\n" - "\n" - "If you'd like to always have checkouts of an ambiguous <name> prefer\n" - "one remote, e.g. the 'origin' remote, consider setting\n" - "checkout.defaultRemote=origin in your config."), - argv[0], - dwim_remotes_matched); - return ret; - } else { - return checkout_branch(&opts, &new_branch_info); + if (opts->patch_mode || opts->pathspec.nr) + return checkout_paths(opts, &new_branch_info); + else + return checkout_branch(opts, &new_branch_info); +} + +int cmd_checkout(int argc, const char **argv, const char *prefix) +{ + struct checkout_opts opts; + struct option *options; + struct option checkout_options[] = { + OPT_STRING('b', NULL, &opts.new_branch, N_("branch"), + N_("create and checkout a new branch")), + OPT_STRING('B', NULL, &opts.new_branch_force, N_("branch"), + N_("create/reset and checkout a branch")), + OPT_BOOL('l', NULL, &opts.new_branch_log, N_("create reflog for new branch")), + OPT_BOOL(0, "guess", &opts.dwim_new_local_branch, + N_("second guess 'git checkout <no-such-branch>' (default)")), + OPT_BOOL(0, "overlay", &opts.overlay_mode, N_("use overlay mode (default)")), + OPT_END() + }; + int ret; + + memset(&opts, 0, sizeof(opts)); + opts.dwim_new_local_branch = 1; + opts.switch_branch_doing_nothing_is_ok = 1; + opts.only_merge_on_switching_branches = 0; + opts.accept_ref = 1; + opts.accept_pathspec = 1; + opts.implicit_detach = 1; + opts.can_switch_when_in_progress = 1; + opts.orphan_from_empty_tree = 0; + opts.empty_pathspec_ok = 1; + opts.overlay_mode = -1; + opts.checkout_index = -2; /* default on */ + opts.checkout_worktree = -2; /* default on */ + + if (argc == 3 && !strcmp(argv[1], "-b")) { + /* + * User ran 'git checkout -b <branch>' and expects + * the same behavior as 'git switch -c <branch>'. + */ + opts.switch_branch_doing_nothing_is_ok = 0; + opts.only_merge_on_switching_branches = 1; } + + options = parse_options_dup(checkout_options); + options = add_common_options(&opts, options); + options = add_common_switch_branch_options(&opts, options); + options = add_checkout_path_options(&opts, options); + + ret = checkout_main(argc, argv, prefix, &opts, + options, checkout_usage); + FREE_AND_NULL(options); + return ret; +} + +int cmd_switch(int argc, const char **argv, const char *prefix) +{ + struct checkout_opts opts; + struct option *options = NULL; + struct option switch_options[] = { + OPT_STRING('c', "create", &opts.new_branch, N_("branch"), + N_("create and switch to a new branch")), + OPT_STRING('C', "force-create", &opts.new_branch_force, N_("branch"), + N_("create/reset and switch to a branch")), + OPT_BOOL(0, "guess", &opts.dwim_new_local_branch, + N_("second guess 'git switch <no-such-branch>'")), + OPT_BOOL(0, "discard-changes", &opts.discard_changes, + N_("throw away local modifications")), + OPT_END() + }; + int ret; + + memset(&opts, 0, sizeof(opts)); + opts.dwim_new_local_branch = 1; + opts.accept_ref = 1; + opts.accept_pathspec = 0; + opts.switch_branch_doing_nothing_is_ok = 0; + opts.only_merge_on_switching_branches = 1; + opts.implicit_detach = 0; + opts.can_switch_when_in_progress = 0; + opts.orphan_from_empty_tree = 1; + opts.overlay_mode = -1; + + options = parse_options_dup(switch_options); + options = add_common_options(&opts, options); + options = add_common_switch_branch_options(&opts, options); + + cb_option = 'c'; + + ret = checkout_main(argc, argv, prefix, &opts, + options, switch_branch_usage); + FREE_AND_NULL(options); + return ret; +} + +int cmd_restore(int argc, const char **argv, const char *prefix) +{ + struct checkout_opts opts; + struct option *options; + struct option restore_options[] = { + OPT_STRING('s', "source", &opts.from_treeish, "<tree-ish>", + N_("which tree-ish to checkout from")), + OPT_BOOL('S', "staged", &opts.checkout_index, + N_("restore the index")), + OPT_BOOL('W', "worktree", &opts.checkout_worktree, + N_("restore the working tree (default)")), + OPT_BOOL(0, "ignore-unmerged", &opts.ignore_unmerged, + N_("ignore unmerged entries")), + OPT_BOOL(0, "overlay", &opts.overlay_mode, N_("use overlay mode")), + OPT_END() + }; + int ret; + + memset(&opts, 0, sizeof(opts)); + opts.accept_ref = 0; + opts.accept_pathspec = 1; + opts.empty_pathspec_ok = 0; + opts.overlay_mode = 0; + opts.checkout_index = -1; /* default off */ + opts.checkout_worktree = -2; /* default on */ + opts.ignore_unmerged_opt = "--ignore-unmerged"; + + options = parse_options_dup(restore_options); + options = add_common_options(&opts, options); + options = add_checkout_path_options(&opts, options); + + ret = checkout_main(argc, argv, prefix, &opts, + options, restore_usage); + FREE_AND_NULL(options); + return ret; } diff --git a/builtin/clean.c b/builtin/clean.c index d5579da716..98a2860409 100644 --- a/builtin/clean.c +++ b/builtin/clean.c @@ -18,6 +18,7 @@ #include "color.h" #include "pathspec.h" #include "help.h" +#include "prompt.h" static int force = -1; /* unset */ static int interactive; @@ -158,9 +159,10 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, *dir_gone = 1; - if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) && is_nonbare_repository_dir(path)) { + if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) && + is_nonbare_repository_dir(path)) { if (!quiet) { - quote_path_relative(path->buf, prefix, "ed); + quote_path(path->buf, prefix, "ed, 0); printf(dry_run ? _(msg_would_skip_git_dir) : _(msg_skip_git_dir), quoted.buf); } @@ -175,7 +177,7 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, res = dry_run ? 0 : rmdir(path->buf); if (res) { int saved_errno = errno; - quote_path_relative(path->buf, prefix, "ed); + quote_path(path->buf, prefix, "ed, 0); errno = saved_errno; warning_errno(_(msg_warn_remove_failed), quoted.buf); *dir_gone = 0; @@ -187,10 +189,8 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, strbuf_complete(path, '/'); len = path->len; - while ((e = readdir(dir)) != NULL) { + while ((e = readdir_skip_dot_and_dotdot(dir)) != NULL) { struct stat st; - if (is_dot_or_dotdot(e->d_name)) - continue; strbuf_setlen(path, len); strbuf_addstr(path, e->d_name); @@ -200,7 +200,7 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, if (remove_dirs(path, prefix, force_flag, dry_run, quiet, &gone)) ret = 1; if (gone) { - quote_path_relative(path->buf, prefix, "ed); + quote_path(path->buf, prefix, "ed, 0); string_list_append(&dels, quoted.buf); } else *dir_gone = 0; @@ -208,11 +208,11 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, } else { res = dry_run ? 0 : unlink(path->buf); if (!res) { - quote_path_relative(path->buf, prefix, "ed); + quote_path(path->buf, prefix, "ed, 0); string_list_append(&dels, quoted.buf); } else { int saved_errno = errno; - quote_path_relative(path->buf, prefix, "ed); + quote_path(path->buf, prefix, "ed, 0); errno = saved_errno; warning_errno(_(msg_warn_remove_failed), quoted.buf); *dir_gone = 0; @@ -236,7 +236,7 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag, *dir_gone = 1; else { int saved_errno = errno; - quote_path_relative(path->buf, prefix, "ed); + quote_path(path->buf, prefix, "ed, 0); errno = saved_errno; warning_errno(_(msg_warn_remove_failed), quoted.buf); *dir_gone = 0; @@ -264,7 +264,7 @@ static void pretty_print_dels(void) struct column_options copts; for_each_string_list_item(item, &del_list) { - qname = quote_path_relative(item->string, NULL, &buf); + qname = quote_path(item->string, NULL, &buf, 0); string_list_append(&list, qname); } @@ -419,7 +419,6 @@ static int find_unique(const char *choice, struct menu_stuff *menu_stuff) return found; } - /* * Parse user input, and return choice(s) for menu (menu_stuff). * @@ -579,9 +578,7 @@ static int *list_and_choose(struct menu_opts *opts, struct menu_stuff *stuff) clean_get_color(CLEAN_COLOR_RESET)); } - if (strbuf_getline_lf(&choice, stdin) != EOF) { - strbuf_trim(&choice); - } else { + if (git_read_line_interactively(&choice) == EOF) { eof = 1; break; } @@ -624,7 +621,7 @@ static int *list_and_choose(struct menu_opts *opts, struct menu_stuff *stuff) nr += chosen[i]; } - result = xcalloc(st_add(nr, 1), sizeof(int)); + CALLOC_ARRAY(result, st_add(nr, 1)); for (i = 0; i < stuff->nr && j < nr; i++) { if (chosen[i]) result[j++] = i; @@ -644,11 +641,11 @@ static int clean_cmd(void) static int filter_by_patterns_cmd(void) { - struct dir_struct dir; + struct dir_struct dir = DIR_INIT; struct strbuf confirm = STRBUF_INIT; struct strbuf **ignore_list; struct string_list_item *item; - struct exclude_list *el; + struct pattern_list *pl; int changed = -1, i; for (;;) { @@ -661,17 +658,14 @@ static int filter_by_patterns_cmd(void) clean_print_color(CLEAN_COLOR_PROMPT); printf(_("Input ignore patterns>> ")); clean_print_color(CLEAN_COLOR_RESET); - if (strbuf_getline_lf(&confirm, stdin) != EOF) - strbuf_trim(&confirm); - else + if (git_read_line_interactively(&confirm) == EOF) putchar('\n'); /* quit filter_by_pattern mode if press ENTER or Ctrl-D */ if (!confirm.len) break; - memset(&dir, 0, sizeof(dir)); - el = add_exclude_list(&dir, EXC_CMDL, "manual exclude"); + pl = add_pattern_list(&dir, EXC_CMDL, "manual exclude"); ignore_list = strbuf_split_max(&confirm, ' ', 0); for (i = 0; ignore_list[i]; i++) { @@ -679,7 +673,7 @@ static int filter_by_patterns_cmd(void) if (!ignore_list[i]->len) continue; - add_exclude(ignore_list[i]->buf, "", 0, el, -(i+1)); + add_pattern(ignore_list[i]->buf, "", 0, pl, -(i+1)); } changed = 0; @@ -701,7 +695,7 @@ static int filter_by_patterns_cmd(void) } strbuf_list_free(ignore_list); - clear_directory(&dir); + dir_clear(&dir); } strbuf_release(&confirm); @@ -756,12 +750,10 @@ static int ask_each_cmd(void) for_each_string_list_item(item, &del_list) { /* Ctrl-D should stop removing files */ if (!eof) { - qname = quote_path_relative(item->string, NULL, &buf); + qname = quote_path(item->string, NULL, &buf, 0); /* TRANSLATORS: Make sure to keep [y/N] as is */ printf(_("Remove %s [y/N]? "), qname); - if (strbuf_getline_lf(&confirm, stdin) != EOF) { - strbuf_trim(&confirm); - } else { + if (git_read_line_interactively(&confirm) == EOF) { putchar('\n'); eof = 1; } @@ -897,11 +889,11 @@ int cmd_clean(int argc, const char **argv, const char *prefix) int ignored_only = 0, config_set = 0, errors = 0, gone = 1; int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT; struct strbuf abs_path = STRBUF_INIT; - struct dir_struct dir; + struct dir_struct dir = DIR_INIT; struct pathspec pathspec; struct strbuf buf = STRBUF_INIT; struct string_list exclude_list = STRING_LIST_INIT_NODUP; - struct exclude_list *el; + struct pattern_list *pl; struct string_list_item *item; const char *qname; struct option options[] = { @@ -911,8 +903,8 @@ int cmd_clean(int argc, const char **argv, const char *prefix) OPT_BOOL('i', "interactive", &interactive, N_("interactive cleaning")), OPT_BOOL('d', NULL, &remove_directories, N_("remove whole directories")), - { OPTION_CALLBACK, 'e', "exclude", &exclude_list, N_("pattern"), - N_("add <pattern> to ignore rules"), PARSE_OPT_NONEG, exclude_cb }, + OPT_CALLBACK_F('e', "exclude", &exclude_list, N_("pattern"), + N_("add <pattern> to ignore rules"), PARSE_OPT_NONEG, exclude_cb), OPT_BOOL('x', NULL, &ignored, N_("remove ignored files, too")), OPT_BOOL('X', NULL, &ignored_only, N_("remove only ignored files")), @@ -928,13 +920,6 @@ int cmd_clean(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, options, builtin_clean_usage, 0); - memset(&dir, 0, sizeof(dir)); - if (ignored_only) - dir.flags |= DIR_SHOW_IGNORED; - - if (ignored && ignored_only) - die(_("-x and -X cannot be used together")); - if (!interactive && !dry_run && !force) { if (config_set) die(_("clean.requireForce set to true and neither -i, -n, nor -f given; " @@ -946,21 +931,64 @@ int cmd_clean(int argc, const char **argv, const char *prefix) if (force > 1) rm_flags = 0; + else + dir.flags |= DIR_SKIP_NESTED_GIT; dir.flags |= DIR_SHOW_OTHER_DIRECTORIES; - if (remove_directories) - dir.flags |= DIR_SHOW_IGNORED_TOO | DIR_KEEP_UNTRACKED_CONTENTS; + if (ignored && ignored_only) + die(_("-x and -X cannot be used together")); + if (!ignored) + setup_standard_excludes(&dir); + if (ignored_only) + dir.flags |= DIR_SHOW_IGNORED; + + if (argc) { + /* + * Remaining args implies pathspecs specified, and we should + * recurse within those. + */ + remove_directories = 1; + } + + if (remove_directories && !ignored_only) { + /* + * We need to know about ignored files too: + * + * If (ignored), then we will delete ignored files as well. + * + * If (!ignored), then even though we not are doing + * anything with ignored files, we need to know about them + * so that we can avoid deleting a directory of untracked + * files that also contains an ignored file within it. + * + * For the (!ignored) case, since we only need to avoid + * deleting ignored files, we can set + * DIR_SHOW_IGNORED_TOO_MODE_MATCHING in order to avoid + * recursing into a directory which is itself ignored. + */ + dir.flags |= DIR_SHOW_IGNORED_TOO; + if (!ignored) + dir.flags |= DIR_SHOW_IGNORED_TOO_MODE_MATCHING; + + /* + * Let the fill_directory() machinery know that we aren't + * just recursing to collect the ignored files; we want all + * the untracked ones so that we can delete them. (Note: + * we could also set DIR_KEEP_UNTRACKED_CONTENTS when + * ignored_only is true, since DIR_KEEP_UNTRACKED_CONTENTS + * only has effect in combination with DIR_SHOW_IGNORED_TOO. It makes + * the code clearer to exclude it, though. + */ + dir.flags |= DIR_KEEP_UNTRACKED_CONTENTS; + } if (read_cache() < 0) die(_("index file corrupt")); - if (!ignored) - setup_standard_excludes(&dir); - - el = add_exclude_list(&dir, EXC_CMDL, "--exclude option"); + pl = add_pattern_list(&dir, EXC_CMDL, "--exclude option"); for (i = 0; i < exclude_list.nr; i++) - add_exclude(exclude_list.items[i].string, "", 0, el, -(i+1)); + add_pattern(exclude_list.items[i].string, "", 0, pl, -(i+1)); parse_pathspec(&pathspec, 0, PATHSPEC_PREFER_CWD, @@ -971,35 +999,23 @@ int cmd_clean(int argc, const char **argv, const char *prefix) for (i = 0; i < dir.nr; i++) { struct dir_entry *ent = dir.entries[i]; - int matches = 0; struct stat st; const char *rel; if (!cache_name_is_other(ent->name, ent->len)) continue; - if (pathspec.nr) - matches = dir_path_match(&the_index, ent, &pathspec, 0, NULL); - - if (pathspec.nr && !matches) - continue; - if (lstat(ent->name, &st)) die_errno("Cannot lstat '%s'", ent->name); - if (S_ISDIR(st.st_mode) && !remove_directories && - matches != MATCHED_EXACTLY) + if (S_ISDIR(st.st_mode) && !remove_directories) continue; rel = relative_path(ent->name, prefix, &buf); string_list_append(&del_list, rel); } - for (i = 0; i < dir.nr; i++) - free(dir.entries[i]); - - for (i = 0; i < dir.ignored_nr; i++) - free(dir.ignored[i]); + dir_clear(&dir); if (interactive && del_list.nr > 0) interactive_main_loop(); @@ -1007,6 +1023,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix) for_each_string_list_item(item, &del_list) { struct stat st; + strbuf_reset(&abs_path); if (prefix) strbuf_addstr(&abs_path, prefix); @@ -1024,23 +1041,22 @@ int cmd_clean(int argc, const char **argv, const char *prefix) if (remove_dirs(&abs_path, prefix, rm_flags, dry_run, quiet, &gone)) errors++; if (gone && !quiet) { - qname = quote_path_relative(item->string, NULL, &buf); + qname = quote_path(item->string, NULL, &buf, 0); printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname); } } else { res = dry_run ? 0 : unlink(abs_path.buf); if (res) { int saved_errno = errno; - qname = quote_path_relative(item->string, NULL, &buf); + qname = quote_path(item->string, NULL, &buf, 0); errno = saved_errno; warning_errno(_(msg_warn_remove_failed), qname); errors++; } else if (!quiet) { - qname = quote_path_relative(item->string, NULL, &buf); + qname = quote_path(item->string, NULL, &buf, 0); printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname); } } - strbuf_reset(&abs_path); } strbuf_release(&abs_path); diff --git a/builtin/clone.c b/builtin/clone.c index 6b285111d5..66fe66679c 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -23,6 +23,8 @@ #include "transport.h" #include "strbuf.h" #include "dir.h" +#include "dir-iterator.h" +#include "iterator.h" #include "sigchain.h" #include "branch.h" #include "remote.h" @@ -30,7 +32,6 @@ #include "connected.h" #include "packfile.h" #include "list-objects-filter-options.h" -#include "object-store.h" /* * Overall FIXMEs: @@ -49,15 +50,19 @@ static int option_no_checkout, option_bare, option_mirror, option_single_branch static int option_local = -1, option_no_hardlinks, option_shared; static int option_no_tags; static int option_shallow_submodules; +static int option_reject_shallow = -1; /* unspecified */ +static int config_reject_shallow = -1; /* unspecified */ static int deepen; static char *option_template, *option_depth, *option_since; static char *option_origin = NULL; +static char *remote_name = NULL; static char *option_branch = NULL; static struct string_list option_not = STRING_LIST_INIT_NODUP; static const char *real_git_dir; static char *option_upload_pack = "git-upload-pack"; static int option_verbosity; static int option_progress = -1; +static int option_sparse_checkout; static enum transport_family family; static struct string_list option_config = STRING_LIST_INIT_NODUP; static struct string_list option_required_reference = STRING_LIST_INIT_NODUP; @@ -67,6 +72,7 @@ static int max_jobs = -1; static struct string_list option_recurse_submodules = STRING_LIST_INIT_NODUP; static struct list_objects_filter_options filter_options; static struct string_list server_options = STRING_LIST_INIT_NODUP; +static int option_remote_submodules; static int recurse_submodules_cb(const struct option *opt, const char *arg, int unset) @@ -86,6 +92,8 @@ static struct option builtin_clone_options[] = { OPT__VERBOSITY(&option_verbosity), OPT_BOOL(0, "progress", &option_progress, N_("force progress reporting")), + OPT_BOOL(0, "reject-shallow", &option_reject_shallow, + N_("don't clone shallow repository")), OPT_BOOL('n', "no-checkout", &option_no_checkout, N_("don't create a checkout")), OPT_BOOL(0, "bare", &option_bare, N_("create a bare repository")), @@ -99,10 +107,10 @@ static struct option builtin_clone_options[] = { N_("don't use local hardlinks, always copy")), OPT_BOOL('s', "shared", &option_shared, N_("setup as shared repository")), - OPT_ALIAS(0, "recursive", "recurse-submodules"), { OPTION_CALLBACK, 0, "recurse-submodules", &option_recurse_submodules, N_("pathspec"), N_("initialize submodules in the clone"), PARSE_OPT_OPTARG, recurse_submodules_cb, (intptr_t)"." }, + OPT_ALIAS(0, "recursive", "recurse-submodules"), OPT_INTEGER('j', "jobs", &max_jobs, N_("number of submodules cloned in parallel")), OPT_STRING(0, "template", &option_template, N_("template-directory"), @@ -142,6 +150,10 @@ static struct option builtin_clone_options[] = { OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"), TRANSPORT_FAMILY_IPV6), OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options), + OPT_BOOL(0, "remote-submodules", &option_remote_submodules, + N_("any cloned submodules will use their remote-tracking branch")), + OPT_BOOL(0, "sparse", &option_sparse_checkout, + N_("initialize sparse-checkout file to include only files at root")), OPT_END() }; @@ -354,8 +366,7 @@ static void setup_reference(void) add_one_reference, &required); } -static void copy_alternates(struct strbuf *src, struct strbuf *dst, - const char *src_repo) +static void copy_alternates(struct strbuf *src, const char *src_repo) { /* * Read from the source objects/info/alternates file @@ -392,58 +403,65 @@ static void copy_alternates(struct strbuf *src, struct strbuf *dst, fclose(in); } +static void mkdir_if_missing(const char *pathname, mode_t mode) +{ + struct stat st; + + if (!mkdir(pathname, mode)) + return; + + if (errno != EEXIST) + die_errno(_("failed to create directory '%s'"), pathname); + else if (stat(pathname, &st)) + die_errno(_("failed to stat '%s'"), pathname); + else if (!S_ISDIR(st.st_mode)) + die(_("%s exists and is not a directory"), pathname); +} + static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest, - const char *src_repo, int src_baselen) + const char *src_repo) { - struct dirent *de; - struct stat buf; int src_len, dest_len; - DIR *dir; - - dir = opendir(src->buf); - if (!dir) - die_errno(_("failed to open '%s'"), src->buf); - - if (mkdir(dest->buf, 0777)) { - if (errno != EEXIST) - die_errno(_("failed to create directory '%s'"), dest->buf); - else if (stat(dest->buf, &buf)) - die_errno(_("failed to stat '%s'"), dest->buf); - else if (!S_ISDIR(buf.st_mode)) - die(_("%s exists and is not a directory"), dest->buf); - } + struct dir_iterator *iter; + int iter_status; + unsigned int flags; + struct strbuf realpath = STRBUF_INIT; + + mkdir_if_missing(dest->buf, 0777); + + flags = DIR_ITERATOR_PEDANTIC | DIR_ITERATOR_FOLLOW_SYMLINKS; + iter = dir_iterator_begin(src->buf, flags); + + if (!iter) + die_errno(_("failed to start iterator over '%s'"), src->buf); strbuf_addch(src, '/'); src_len = src->len; strbuf_addch(dest, '/'); dest_len = dest->len; - while ((de = readdir(dir)) != NULL) { + while ((iter_status = dir_iterator_advance(iter)) == ITER_OK) { strbuf_setlen(src, src_len); - strbuf_addstr(src, de->d_name); + strbuf_addstr(src, iter->relative_path); strbuf_setlen(dest, dest_len); - strbuf_addstr(dest, de->d_name); - if (stat(src->buf, &buf)) { - warning (_("failed to stat %s\n"), src->buf); - continue; - } - if (S_ISDIR(buf.st_mode)) { - if (de->d_name[0] != '.') - copy_or_link_directory(src, dest, - src_repo, src_baselen); + strbuf_addstr(dest, iter->relative_path); + + if (S_ISDIR(iter->st.st_mode)) { + mkdir_if_missing(dest->buf, 0777); continue; } /* Files that cannot be copied bit-for-bit... */ - if (!strcmp(src->buf + src_baselen, "/info/alternates")) { - copy_alternates(src, dest, src_repo); + if (!fspathcmp(iter->relative_path, "info/alternates")) { + copy_alternates(src, src_repo); continue; } if (unlink(dest->buf) && errno != ENOENT) die_errno(_("failed to unlink '%s'"), dest->buf); if (!option_no_hardlinks) { - if (!link(src->buf, dest->buf)) + strbuf_realpath(&realpath, src->buf, 1); + if (!link(realpath.buf, dest->buf)) continue; if (option_local > 0) die_errno(_("failed to create link '%s'"), dest->buf); @@ -452,7 +470,13 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest, if (copy_file_with_time(dest->buf, src->buf, 0666)) die_errno(_("failed to copy file to '%s'"), dest->buf); } - closedir(dir); + + if (iter_status != ITER_DONE) { + strbuf_setlen(src, src_len); + die(_("failed to iterate over '%s'"), src->buf); + } + + strbuf_release(&realpath); } static void clone_local(const char *src_repo, const char *dest_repo) @@ -470,7 +494,7 @@ static void clone_local(const char *src_repo, const char *dest_repo) get_common_dir(&dest, dest_repo); strbuf_addstr(&src, "/objects"); strbuf_addstr(&dest, "/objects"); - copy_or_link_directory(&src, &dest, src_repo, src.len); + copy_or_link_directory(&src, &dest, src_repo); strbuf_release(&src); strbuf_release(&dest); } @@ -492,7 +516,7 @@ static enum { static const char junk_leave_repo_msg[] = N_("Clone succeeded, but checkout failed.\n" "You can inspect what was checked out with 'git status'\n" - "and retry the checkout with 'git checkout -f HEAD'\n"); + "and retry with 'git restore --source=HEAD :/'\n"); static void remove_junk(void) { @@ -624,7 +648,9 @@ static void write_followtags(const struct ref *refs, const char *msg) continue; if (ends_with(ref->name, "^{}")) continue; - if (!has_object_file(&ref->old_oid)) + if (!has_object_file_with_flags(&ref->old_oid, + OBJECT_INFO_QUICK | + OBJECT_INFO_SKIP_FETCH_OBJECT)) continue; update_ref(msg, ref->name, &ref->old_oid, NULL, 0, UPDATE_REFS_DIE_ON_ERR); @@ -657,8 +683,7 @@ static void update_remote_refs(const struct ref *refs, const char *branch_top, const char *msg, struct transport *transport, - int check_connectivity, - int check_refs_only) + int check_connectivity) { const struct ref *rm = mapped_refs; @@ -667,7 +692,6 @@ static void update_remote_refs(const struct ref *refs, opt.transport = transport; opt.progress = transport->progress; - opt.check_refs_only = !!check_refs_only; if (check_connected(iterate_ref_map, &rm, &opt)) die(_("remote did not send all necessary objects")); @@ -702,7 +726,7 @@ static void update_head(const struct ref *our, const struct ref *remote, if (!option_bare) { update_ref(msg, "HEAD", &our->old_oid, NULL, 0, UPDATE_REFS_DIE_ON_ERR); - install_branch_config(0, head, option_origin, our->name); + install_branch_config(0, head, remote_name, our->name); } } else if (our) { struct commit *c = lookup_commit_reference(the_repository, @@ -721,6 +745,27 @@ static void update_head(const struct ref *our, const struct ref *remote, } } +static int git_sparse_checkout_init(const char *repo) +{ + struct strvec argv = STRVEC_INIT; + int result = 0; + strvec_pushl(&argv, "-C", repo, "sparse-checkout", "init", NULL); + + /* + * We must apply the setting in the current process + * for the later checkout to use the sparse-checkout file. + */ + core_apply_sparse_checkout = 1; + + if (run_command_v_opt(argv.v, RUN_GIT_CMD)) { + error(_("failed to initialize sparse-checkout")); + result = 1; + } + + strvec_clear(&argv); + return result; +} + static int checkout(int submodule_progress) { struct object_id oid; @@ -743,11 +788,11 @@ static int checkout(int submodule_progress) if (!strcmp(head, "HEAD")) { if (advice_detached_head) detach_advice(oid_to_hex(&oid)); + FREE_AND_NULL(head); } else { if (!starts_with(head, "refs/heads/")) die(_("HEAD not found below refs/heads!")); } - free(head); /* We need to be in the new work tree for the checkout */ setup_work_tree(); @@ -762,6 +807,7 @@ static int checkout(int submodule_progress) opts.verbose_update = (option_verbosity >= 0); opts.src_index = &the_index; opts.dst_index = &the_index; + init_checkout_metadata(&opts.meta, head, &oid, NULL); tree = parse_tree_indirect(&oid); parse_tree(tree); @@ -769,37 +815,70 @@ static int checkout(int submodule_progress) if (unpack_trees(1, &t, &opts) < 0) die(_("unable to checkout working tree")); + free(head); + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); - err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1), + err |= run_hook_le(NULL, "post-checkout", oid_to_hex(null_oid()), oid_to_hex(&oid), "1", NULL); if (!err && (option_recurse_submodules.nr > 0)) { - struct argv_array args = ARGV_ARRAY_INIT; - argv_array_pushl(&args, "submodule", "update", "--require-init", "--recursive", NULL); + struct strvec args = STRVEC_INIT; + strvec_pushl(&args, "submodule", "update", "--require-init", "--recursive", NULL); if (option_shallow_submodules == 1) - argv_array_push(&args, "--depth=1"); + strvec_push(&args, "--depth=1"); if (max_jobs != -1) - argv_array_pushf(&args, "--jobs=%d", max_jobs); + strvec_pushf(&args, "--jobs=%d", max_jobs); if (submodule_progress) - argv_array_push(&args, "--progress"); + strvec_push(&args, "--progress"); if (option_verbosity < 0) - argv_array_push(&args, "--quiet"); + strvec_push(&args, "--quiet"); + + if (option_remote_submodules) { + strvec_push(&args, "--remote"); + strvec_push(&args, "--no-fetch"); + } - err = run_command_v_opt(args.argv, RUN_GIT_CMD); - argv_array_clear(&args); + if (option_single_branch >= 0) + strvec_push(&args, option_single_branch ? + "--single-branch" : + "--no-single-branch"); + + err = run_command_v_opt(args.v, RUN_GIT_CMD); + strvec_clear(&args); } return err; } +static int git_clone_config(const char *k, const char *v, void *cb) +{ + if (!strcmp(k, "clone.defaultremotename")) { + free(remote_name); + remote_name = xstrdup(v); + } + if (!strcmp(k, "clone.rejectshallow")) + config_reject_shallow = git_config_bool(k, v); + + return git_default_config(k, v, cb); +} + static int write_one_config(const char *key, const char *value, void *data) { + /* + * give git_clone_config a chance to write config values back to the + * environment, since git_config_set_multivar_gently only deals with + * config-file writes + */ + int apply_failed = git_clone_config(key, value, data); + if (apply_failed) + return apply_failed; + return git_config_set_multivar_gently(key, value ? value : "true", CONFIG_REGEX_NONE, 0); @@ -852,12 +931,12 @@ static void write_refspec_config(const char *src_ref_prefix, } /* Configure the remote */ if (value.len) { - strbuf_addf(&key, "remote.%s.fetch", option_origin); + strbuf_addf(&key, "remote.%s.fetch", remote_name); git_config_set_multivar(key.buf, value.buf, "^$", 0); strbuf_reset(&key); if (option_mirror) { - strbuf_addf(&key, "remote.%s.mirror", option_origin); + strbuf_addf(&key, "remote.%s.mirror", remote_name); git_config_set(key.buf, "true"); strbuf_reset(&key); } @@ -882,7 +961,7 @@ static void dissociate_from_references(void) free(alternates); } -static int dir_exists(const char *path) +static int path_exists(const char *path) { struct stat sb; return !stat(path, &sb); @@ -891,16 +970,16 @@ static int dir_exists(const char *path) int cmd_clone(int argc, const char **argv, const char *prefix) { int is_bundle = 0, is_local; + int reject_shallow = 0; const char *repo_name, *repo, *work_tree, *git_dir; - char *path, *dir; - int dest_exists; + char *path = NULL, *dir, *display_repo = NULL; + int dest_exists, real_dest_exists = 0; const struct ref *refs, *remote_head; - const struct ref *remote_head_points_at; + struct ref *remote_head_points_at = NULL; const struct ref *our_head_points_at; struct ref *mapped_refs; const struct ref *ref; struct strbuf key = STRBUF_INIT; - struct strbuf default_refspec = STRBUF_INIT; struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT; struct transport *transport = NULL; const char *src_ref_prefix = "refs/heads/"; @@ -908,11 +987,13 @@ int cmd_clone(int argc, const char **argv, const char *prefix) int err = 0, complete_refs_before_fetch = 1; int submodule_progress; - struct argv_array ref_prefixes = ARGV_ARRAY_INIT; - - fetch_if_missing = 0; + struct transport_ls_refs_options transport_ls_refs_options = + TRANSPORT_LS_REFS_OPTIONS_INIT; packet_trace_identity("clone"); + + git_config(git_clone_config, NULL); + argc = parse_options(argc, argv, prefix, builtin_clone_options, builtin_clone_usage, 0); @@ -941,18 +1022,17 @@ int cmd_clone(int argc, const char **argv, const char *prefix) option_no_checkout = 1; } - if (!option_origin) - option_origin = "origin"; - repo_name = argv[0]; path = get_repo_path(repo_name, &is_bundle); - if (path) + if (path) { + FREE_AND_NULL(path); repo = absolute_pathdup(repo_name); - else if (!strchr(repo_name, ':')) - die(_("repository '%s' does not exist"), repo_name); - else + } else if (strchr(repo_name, ':')) { repo = repo_name; + display_repo = transport_anonymize_url(repo); + } else + die(_("repository '%s' does not exist"), repo_name); /* no need to be strict, transport_set_option() will validate it again */ if (option_depth && atoi(option_depth) < 1) @@ -964,18 +1044,28 @@ int cmd_clone(int argc, const char **argv, const char *prefix) dir = guess_dir_name(repo_name, is_bundle, option_bare); strip_trailing_slashes(dir); - dest_exists = dir_exists(dir); + dest_exists = path_exists(dir); if (dest_exists && !is_empty_dir(dir)) die(_("destination path '%s' already exists and is not " "an empty directory."), dir); - strbuf_addf(&reflog_msg, "clone: from %s", repo); + if (real_git_dir) { + real_dest_exists = path_exists(real_git_dir); + if (real_dest_exists && !is_empty_dir(real_git_dir)) + die(_("repository path '%s' already exists and is not " + "an empty directory."), real_git_dir); + } + + + strbuf_addf(&reflog_msg, "clone: from %s", + display_repo ? display_repo : repo); + free(display_repo); if (option_bare) work_tree = NULL; else { work_tree = getenv("GIT_WORK_TREE"); - if (work_tree && dir_exists(work_tree)) + if (work_tree && path_exists(work_tree)) die(_("working tree '%s' already exists."), work_tree); } @@ -1003,7 +1093,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) } if (real_git_dir) { - if (dir_exists(real_git_dir)) + if (real_dest_exists) junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL; junk_git_dir = real_git_dir; } else { @@ -1057,14 +1147,45 @@ int cmd_clone(int argc, const char **argv, const char *prefix) } } - init_db(git_dir, real_git_dir, option_template, INIT_DB_QUIET); + init_db(git_dir, real_git_dir, option_template, GIT_HASH_UNKNOWN, NULL, + INIT_DB_QUIET); if (real_git_dir) git_dir = real_git_dir; + /* + * additional config can be injected with -c, make sure it's included + * after init_db, which clears the entire config environment. + */ write_config(&option_config); - git_config(git_default_config, NULL); + /* + * re-read config after init_db and write_config to pick up any config + * injected by --template and --config, respectively. + */ + git_config(git_clone_config, NULL); + + /* + * If option_reject_shallow is specified from CLI option, + * ignore config_reject_shallow from git_clone_config. + */ + if (config_reject_shallow != -1) + reject_shallow = config_reject_shallow; + if (option_reject_shallow != -1) + reject_shallow = option_reject_shallow; + + /* + * apply the remote name provided by --origin only after this second + * call to git_config, to ensure it overrides all config-based values. + */ + if (option_origin != NULL) + remote_name = xstrdup(option_origin); + + if (remote_name == NULL) + remote_name = xstrdup("origin"); + + if (!valid_remote_name(remote_name)) + die(_("'%s' is not a valid remote name"), remote_name); if (option_bare) { if (option_mirror) @@ -1073,15 +1194,15 @@ int cmd_clone(int argc, const char **argv, const char *prefix) git_config_set("core.bare", "true"); } else { - strbuf_addf(&branch_top, "refs/remotes/%s/", option_origin); + strbuf_addf(&branch_top, "refs/remotes/%s/", remote_name); } - strbuf_addf(&key, "remote.%s.url", option_origin); + strbuf_addf(&key, "remote.%s.url", remote_name); git_config_set(key.buf, repo); strbuf_reset(&key); if (option_no_tags) { - strbuf_addf(&key, "remote.%s.tagOpt", option_origin); + strbuf_addf(&key, "remote.%s.tagOpt", remote_name); git_config_set(key.buf, "--no-tags"); strbuf_reset(&key); } @@ -1089,11 +1210,13 @@ int cmd_clone(int argc, const char **argv, const char *prefix) if (option_required_reference.nr || option_optional_reference.nr) setup_reference(); - remote = remote_get(option_origin); + if (option_sparse_checkout && git_sparse_checkout_init(dir)) + return 1; - strbuf_addf(&default_refspec, "+%s*:%s*", src_ref_prefix, - branch_top.buf); - refspec_append(&remote->fetch, default_refspec.buf); + remote = remote_get(remote_name); + + refspec_appendf(&remote->fetch, "+%s*:%s*", src_ref_prefix, + branch_top.buf); transport = transport_get(remote, remote->url[0]); transport_set_verbosity(transport, option_verbosity, option_progress); @@ -1111,6 +1234,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix) if (filter_options.choice) warning(_("--filter is ignored in local clones; use file:// instead.")); if (!access(mkpath("%s/shallow", path), F_OK)) { + if (reject_shallow) + die(_("source repository is shallow, reject to clone.")); if (option_local > 0) warning(_("source repository is shallow, ignoring --local")); is_local = 0; @@ -1122,6 +1247,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix) transport_set_option(transport, TRANS_OPT_KEEP, "yes"); + if (reject_shallow) + transport_set_option(transport, TRANS_OPT_REJECT_SHALLOW, "1"); if (option_depth) transport_set_option(transport, TRANS_OPT_DEPTH, option_depth); @@ -1142,29 +1269,39 @@ int cmd_clone(int argc, const char **argv, const char *prefix) transport->server_options = &server_options; if (filter_options.choice) { - struct strbuf expanded_filter_spec = STRBUF_INIT; - expand_list_objects_filter_spec(&filter_options, - &expanded_filter_spec); + const char *spec = + expand_list_objects_filter_spec(&filter_options); transport_set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER, - expanded_filter_spec.buf); + spec); transport_set_option(transport, TRANS_OPT_FROM_PROMISOR, "1"); - strbuf_release(&expanded_filter_spec); } if (transport->smart_options && !deepen && !filter_options.choice) transport->smart_options->check_self_contained_and_connected = 1; - argv_array_push(&ref_prefixes, "HEAD"); - refspec_ref_prefixes(&remote->fetch, &ref_prefixes); + strvec_push(&transport_ls_refs_options.ref_prefixes, "HEAD"); + refspec_ref_prefixes(&remote->fetch, + &transport_ls_refs_options.ref_prefixes); if (option_branch) - expand_ref_prefix(&ref_prefixes, option_branch); + expand_ref_prefix(&transport_ls_refs_options.ref_prefixes, + option_branch); if (!option_no_tags) - argv_array_push(&ref_prefixes, "refs/tags/"); + strvec_push(&transport_ls_refs_options.ref_prefixes, + "refs/tags/"); - refs = transport_get_remote_refs(transport, &ref_prefixes); + refs = transport_get_remote_refs(transport, &transport_ls_refs_options); if (refs) { + int hash_algo = hash_algo_by_ptr(transport_get_hash_algo(transport)); + + /* + * Now that we know what algorithm the remote side is using, + * let's set ours to the same thing. + */ + initialize_repository_version(hash_algo, 1); + repo_set_hash_algo(the_repository, hash_algo); + mapped_refs = wanted_peer_refs(refs, &remote->fetch); /* * transport_get_remote_refs() may return refs with null sha-1 @@ -1182,8 +1319,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix) break; } - if (!is_local && !complete_refs_before_fetch) - transport_fetch_refs(transport, mapped_refs); + if (!is_local && !complete_refs_before_fetch) { + if (transport_fetch_refs(transport, mapped_refs)) + die(_("remote transport reported error")); + } remote_head = find_ref_by_name(refs, "HEAD"); remote_head_points_at = @@ -1195,7 +1334,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) if (!our_head_points_at) die(_("Remote branch %s not found in upstream %s"), - option_branch, option_origin); + option_branch, remote_name); } else our_head_points_at = remote_head_points_at; @@ -1203,7 +1342,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) else { if (option_branch) die(_("Remote branch %s not found in upstream %s"), - option_branch, option_origin); + option_branch, remote_name); warning(_("You appear to have cloned an empty repository.")); mapped_refs = NULL; @@ -1211,25 +1350,42 @@ int cmd_clone(int argc, const char **argv, const char *prefix) remote_head_points_at = NULL; remote_head = NULL; option_no_checkout = 1; - if (!option_bare) - install_branch_config(0, "master", option_origin, - "refs/heads/master"); + if (!option_bare) { + const char *branch; + char *ref; + + if (transport_ls_refs_options.unborn_head_target && + skip_prefix(transport_ls_refs_options.unborn_head_target, + "refs/heads/", &branch)) { + ref = transport_ls_refs_options.unborn_head_target; + transport_ls_refs_options.unborn_head_target = NULL; + create_symref("HEAD", ref, reflog_msg.buf); + } else { + branch = git_default_branch_name(0); + ref = xstrfmt("refs/heads/%s", branch); + } + + install_branch_config(0, branch, remote_name, ref); + free(ref); + } } write_refspec_config(src_ref_prefix, our_head_points_at, remote_head_points_at, &branch_top); if (filter_options.choice) - partial_clone_register(option_origin, &filter_options); + partial_clone_register(remote_name, &filter_options); if (is_local) clone_local(path, git_dir); - else if (refs && complete_refs_before_fetch) - transport_fetch_refs(transport, mapped_refs); + else if (refs && complete_refs_before_fetch) { + if (transport_fetch_refs(transport, mapped_refs)) + die(_("remote transport reported error")); + } update_remote_refs(refs, mapped_refs, remote_head_points_at, branch_top.buf, reflog_msg.buf, transport, - !is_local, filter_options.choice); + !is_local); update_head(our_head_points_at, remote_head, reflog_msg.buf); @@ -1250,15 +1406,20 @@ int cmd_clone(int argc, const char **argv, const char *prefix) } junk_mode = JUNK_LEAVE_REPO; - fetch_if_missing = 1; err = checkout(submodule_progress); + free(remote_name); strbuf_release(&reflog_msg); strbuf_release(&branch_top); strbuf_release(&key); - strbuf_release(&default_refspec); + free_refs(mapped_refs); + free_refs(remote_head_points_at); + free(dir); + free(path); + UNLEAK(repo); junk_mode = JUNK_LEAVE_ALL; - argv_array_clear(&ref_prefixes); + strvec_clear(&transport_ls_refs_options.ref_prefixes); + free(transport_ls_refs_options.unborn_head_target); return err; } diff --git a/builtin/column.c b/builtin/column.c index 5228ccf37a..40d4b3bee2 100644 --- a/builtin/column.c +++ b/builtin/column.c @@ -27,10 +27,10 @@ int cmd_column(int argc, const char **argv, const char *prefix) OPT_STRING(0, "command", &real_command, N_("name"), N_("lookup config vars")), OPT_COLUMN(0, "mode", &colopts, N_("layout to use")), OPT_INTEGER(0, "raw-mode", &colopts, N_("layout to use")), - OPT_INTEGER(0, "width", &copts.width, N_("Maximum width")), - OPT_STRING(0, "indent", &copts.indent, N_("string"), N_("Padding space on left border")), - OPT_INTEGER(0, "nl", &copts.nl, N_("Padding space on right border")), - OPT_INTEGER(0, "padding", &copts.padding, N_("Padding space between columns")), + OPT_INTEGER(0, "width", &copts.width, N_("maximum width")), + OPT_STRING(0, "indent", &copts.indent, N_("string"), N_("padding space on left border")), + OPT_INTEGER(0, "nl", &copts.nl, N_("padding space on right border")), + OPT_INTEGER(0, "padding", &copts.padding, N_("padding space between columns")), OPT_END() }; @@ -43,7 +43,7 @@ int cmd_column(int argc, const char **argv, const char *prefix) memset(&copts, 0, sizeof(copts)); copts.padding = 1; - argc = parse_options(argc, argv, "", options, builtin_column_usage, 0); + argc = parse_options(argc, argv, prefix, options, builtin_column_usage, 0); if (argc) usage_with_options(builtin_column_usage, options); if (real_command || command) { diff --git a/builtin/commit-graph.c b/builtin/commit-graph.c index d8efa5bab2..cd86315221 100644 --- a/builtin/commit-graph.c +++ b/builtin/commit-graph.c @@ -5,27 +5,29 @@ #include "parse-options.h" #include "repository.h" #include "commit-graph.h" +#include "object-store.h" +#include "progress.h" +#include "tag.h" static char const * const builtin_commit_graph_usage[] = { - N_("git commit-graph [--object-dir <objdir>]"), - N_("git commit-graph read [--object-dir <objdir>]"), - N_("git commit-graph verify [--object-dir <objdir>]"), - N_("git commit-graph write [--object-dir <objdir>] [--append] [--reachable|--stdin-packs|--stdin-commits]"), + N_("git commit-graph verify [--object-dir <objdir>] [--shallow] [--[no-]progress]"), + N_("git commit-graph write [--object-dir <objdir>] [--append] " + "[--split[=<strategy>]] [--reachable|--stdin-packs|--stdin-commits] " + "[--changed-paths] [--[no-]max-new-filters <n>] [--[no-]progress] " + "<split options>"), NULL }; static const char * const builtin_commit_graph_verify_usage[] = { - N_("git commit-graph verify [--object-dir <objdir>]"), - NULL -}; - -static const char * const builtin_commit_graph_read_usage[] = { - N_("git commit-graph read [--object-dir <objdir>]"), + N_("git commit-graph verify [--object-dir <objdir>] [--shallow] [--[no-]progress]"), NULL }; static const char * const builtin_commit_graph_write_usage[] = { - N_("git commit-graph write [--object-dir <objdir>] [--append] [--reachable|--stdin-packs|--stdin-commits]"), + N_("git commit-graph write [--object-dir <objdir>] [--append] " + "[--split[=<strategy>]] [--reachable|--stdin-packs|--stdin-commits] " + "[--changed-paths] [--[no-]max-new-filters <n>] [--[no-]progress] " + "<split options>"), NULL }; @@ -35,119 +37,178 @@ static struct opts_commit_graph { int stdin_packs; int stdin_commits; int append; + int split; + int shallow; + int progress; + int enable_changed_paths; } opts; +static struct object_directory *find_odb(struct repository *r, + const char *obj_dir) +{ + struct object_directory *odb; + char *obj_dir_real = real_pathdup(obj_dir, 1); + struct strbuf odb_path_real = STRBUF_INIT; + + prepare_alt_odb(r); + for (odb = r->objects->odb; odb; odb = odb->next) { + strbuf_realpath(&odb_path_real, odb->path, 1); + if (!strcmp(obj_dir_real, odb_path_real.buf)) + break; + } + + free(obj_dir_real); + strbuf_release(&odb_path_real); + + if (!odb) + die(_("could not find object directory matching %s"), obj_dir); + return odb; +} static int graph_verify(int argc, const char **argv) { struct commit_graph *graph = NULL; + struct object_directory *odb = NULL; char *graph_name; int open_ok; int fd; struct stat st; + int flags = 0; static struct option builtin_commit_graph_verify_options[] = { OPT_STRING(0, "object-dir", &opts.obj_dir, N_("dir"), - N_("The object directory to store the graph")), + N_("the object directory to store the graph")), + OPT_BOOL(0, "shallow", &opts.shallow, + N_("if the commit-graph is split, only verify the tip file")), + OPT_BOOL(0, "progress", &opts.progress, N_("force progress reporting")), OPT_END(), }; + trace2_cmd_mode("verify"); + + opts.progress = isatty(2); argc = parse_options(argc, argv, NULL, builtin_commit_graph_verify_options, builtin_commit_graph_verify_usage, 0); if (!opts.obj_dir) opts.obj_dir = get_object_directory(); + if (opts.shallow) + flags |= COMMIT_GRAPH_VERIFY_SHALLOW; + if (opts.progress) + flags |= COMMIT_GRAPH_WRITE_PROGRESS; - graph_name = get_commit_graph_filename(opts.obj_dir); + odb = find_odb(the_repository, opts.obj_dir); + graph_name = get_commit_graph_filename(odb); open_ok = open_commit_graph(graph_name, &fd, &st); - if (!open_ok && errno == ENOENT) - return 0; - if (!open_ok) + if (!open_ok && errno != ENOENT) die_errno(_("Could not open commit-graph '%s'"), graph_name); - graph = load_commit_graph_one_fd_st(fd, &st); + FREE_AND_NULL(graph_name); + if (open_ok) + graph = load_commit_graph_one_fd_st(the_repository, fd, &st, odb); + else + graph = read_commit_graph_one(the_repository, odb); + + /* Return failure if open_ok predicted success */ if (!graph) - return 1; + return !!open_ok; UNLEAK(graph); - return verify_commit_graph(the_repository, graph); + return verify_commit_graph(the_repository, graph, flags); } -static int graph_read(int argc, const char **argv) +extern int read_replace_refs; +static struct commit_graph_opts write_opts; + +static int write_option_parse_split(const struct option *opt, const char *arg, + int unset) { - struct commit_graph *graph = NULL; - char *graph_name; - int open_ok; - int fd; - struct stat st; + enum commit_graph_split_flags *flags = opt->value; - static struct option builtin_commit_graph_read_options[] = { - OPT_STRING(0, "object-dir", &opts.obj_dir, - N_("dir"), - N_("The object directory to store the graph")), - OPT_END(), - }; + BUG_ON_OPT_NEG(unset); - argc = parse_options(argc, argv, NULL, - builtin_commit_graph_read_options, - builtin_commit_graph_read_usage, 0); + opts.split = 1; + if (!arg) + return 0; - if (!opts.obj_dir) - opts.obj_dir = get_object_directory(); + if (!strcmp(arg, "no-merge")) + *flags = COMMIT_GRAPH_SPLIT_MERGE_PROHIBITED; + else if (!strcmp(arg, "replace")) + *flags = COMMIT_GRAPH_SPLIT_REPLACE; + else + die(_("unrecognized --split argument, %s"), arg); - graph_name = get_commit_graph_filename(opts.obj_dir); + return 0; +} - open_ok = open_commit_graph(graph_name, &fd, &st); - if (!open_ok) - die_errno(_("Could not open commit-graph '%s'"), graph_name); +static int read_one_commit(struct oidset *commits, struct progress *progress, + const char *hash) +{ + struct object *result; + struct object_id oid; + const char *end; - graph = load_commit_graph_one_fd_st(fd, &st); - if (!graph) - return 1; + if (parse_oid_hex(hash, &oid, &end)) + return error(_("unexpected non-hex object ID: %s"), hash); - FREE_AND_NULL(graph_name); + result = deref_tag(the_repository, parse_object(the_repository, &oid), + NULL, 0); + if (!result) + return error(_("invalid object: %s"), hash); + else if (object_as_type(result, OBJ_COMMIT, 1)) + oidset_insert(commits, &result->oid); - printf("header: %08x %d %d %d %d\n", - ntohl(*(uint32_t*)graph->data), - *(unsigned char*)(graph->data + 4), - *(unsigned char*)(graph->data + 5), - *(unsigned char*)(graph->data + 6), - *(unsigned char*)(graph->data + 7)); - printf("num_commits: %u\n", graph->num_commits); - printf("chunks:"); - - if (graph->chunk_oid_fanout) - printf(" oid_fanout"); - if (graph->chunk_oid_lookup) - printf(" oid_lookup"); - if (graph->chunk_commit_data) - printf(" commit_metadata"); - if (graph->chunk_extra_edges) - printf(" extra_edges"); - printf("\n"); + display_progress(progress, oidset_size(commits)); - UNLEAK(graph); + return 0; +} +static int write_option_max_new_filters(const struct option *opt, + const char *arg, + int unset) +{ + int *to = opt->value; + if (unset) + *to = -1; + else { + const char *s; + *to = strtol(arg, (char **)&s, 10); + if (*s) + return error(_("%s expects a numerical value"), + optname(opt, opt->flags)); + } return 0; } -extern int read_replace_refs; +static int git_commit_graph_write_config(const char *var, const char *value, + void *cb) +{ + if (!strcmp(var, "commitgraph.maxnewfilters")) + write_opts.max_new_filters = git_config_int(var, value); + /* + * No need to fall-back to 'git_default_config', since this was already + * called in 'cmd_commit_graph()'. + */ + return 0; +} static int graph_write(int argc, const char **argv) { - struct string_list *pack_indexes = NULL; - struct string_list *commit_hex = NULL; - struct string_list lines; + struct string_list pack_indexes = STRING_LIST_INIT_NODUP; + struct strbuf buf = STRBUF_INIT; + struct oidset commits = OIDSET_INIT; + struct object_directory *odb = NULL; int result = 0; - unsigned int flags = COMMIT_GRAPH_PROGRESS; + enum commit_graph_write_flags flags = 0; + struct progress *progress = NULL; static struct option builtin_commit_graph_write_options[] = { OPT_STRING(0, "object-dir", &opts.obj_dir, N_("dir"), - N_("The object directory to store the graph")), + N_("the object directory to store the graph")), OPT_BOOL(0, "reachable", &opts.reachable, N_("start walk at all refs")), OPT_BOOL(0, "stdin-packs", &opts.stdin_packs, @@ -156,9 +217,36 @@ static int graph_write(int argc, const char **argv) N_("start walk at commits listed by stdin")), OPT_BOOL(0, "append", &opts.append, N_("include all commits already in the commit-graph file")), + OPT_BOOL(0, "changed-paths", &opts.enable_changed_paths, + N_("enable computation for changed paths")), + OPT_BOOL(0, "progress", &opts.progress, N_("force progress reporting")), + OPT_CALLBACK_F(0, "split", &write_opts.split_flags, NULL, + N_("allow writing an incremental commit-graph file"), + PARSE_OPT_OPTARG | PARSE_OPT_NONEG, + write_option_parse_split), + OPT_INTEGER(0, "max-commits", &write_opts.max_commits, + N_("maximum number of commits in a non-base split commit-graph")), + OPT_INTEGER(0, "size-multiple", &write_opts.size_multiple, + N_("maximum ratio between two levels of a split commit-graph")), + OPT_EXPIRY_DATE(0, "expire-time", &write_opts.expire_time, + N_("only expire files older than a given date-time")), + OPT_CALLBACK_F(0, "max-new-filters", &write_opts.max_new_filters, + NULL, N_("maximum number of changed-path Bloom filters to compute"), + 0, write_option_max_new_filters), OPT_END(), }; + opts.progress = isatty(2); + opts.enable_changed_paths = -1; + write_opts.size_multiple = 2; + write_opts.max_commits = 0; + write_opts.expire_time = 0; + write_opts.max_new_filters = -1; + + trace2_cmd_mode("write"); + + git_config(git_commit_graph_write_config, &opts); + argc = parse_options(argc, argv, NULL, builtin_commit_graph_write_options, builtin_commit_graph_write_usage, 0); @@ -168,35 +256,56 @@ static int graph_write(int argc, const char **argv) if (!opts.obj_dir) opts.obj_dir = get_object_directory(); if (opts.append) - flags |= COMMIT_GRAPH_APPEND; + flags |= COMMIT_GRAPH_WRITE_APPEND; + if (opts.split) + flags |= COMMIT_GRAPH_WRITE_SPLIT; + if (opts.progress) + flags |= COMMIT_GRAPH_WRITE_PROGRESS; + if (!opts.enable_changed_paths) + flags |= COMMIT_GRAPH_NO_WRITE_BLOOM_FILTERS; + if (opts.enable_changed_paths == 1 || + git_env_bool(GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS, 0)) + flags |= COMMIT_GRAPH_WRITE_BLOOM_FILTERS; read_replace_refs = 0; + odb = find_odb(the_repository, opts.obj_dir); - if (opts.reachable) - return write_commit_graph_reachable(opts.obj_dir, flags); - - string_list_init(&lines, 0); - if (opts.stdin_packs || opts.stdin_commits) { - struct strbuf buf = STRBUF_INIT; + if (opts.reachable) { + if (write_commit_graph_reachable(odb, flags, &write_opts)) + return 1; + return 0; + } + if (opts.stdin_packs) { while (strbuf_getline(&buf, stdin) != EOF) - string_list_append(&lines, strbuf_detach(&buf, NULL)); - - if (opts.stdin_packs) - pack_indexes = &lines; - if (opts.stdin_commits) - commit_hex = &lines; - - UNLEAK(buf); + string_list_append(&pack_indexes, + strbuf_detach(&buf, NULL)); + } else if (opts.stdin_commits) { + oidset_init(&commits, 0); + if (opts.progress) + progress = start_delayed_progress( + _("Collecting commits from input"), 0); + + while (strbuf_getline(&buf, stdin) != EOF) { + if (read_one_commit(&commits, progress, buf.buf)) { + result = 1; + goto cleanup; + } + } + + stop_progress(&progress); } - if (write_commit_graph(opts.obj_dir, - pack_indexes, - commit_hex, - flags)) + if (write_commit_graph(odb, + opts.stdin_packs ? &pack_indexes : NULL, + opts.stdin_commits ? &commits : NULL, + flags, + &write_opts)) result = 1; - UNLEAK(lines); +cleanup: + string_list_clear(&pack_indexes, 0); + strbuf_release(&buf); return result; } @@ -205,7 +314,7 @@ int cmd_commit_graph(int argc, const char **argv, const char *prefix) static struct option builtin_commit_graph_options[] = { OPT_STRING(0, "object-dir", &opts.obj_dir, N_("dir"), - N_("The object directory to store the graph")), + N_("the object directory to store the graph")), OPT_END(), }; @@ -219,9 +328,9 @@ int cmd_commit_graph(int argc, const char **argv, const char *prefix) builtin_commit_graph_usage, PARSE_OPT_STOP_AT_NON_OPTION); + save_commit_buffer = 0; + if (argc > 0) { - if (!strcmp(argv[0], "read")) - return graph_read(argc, argv); if (!strcmp(argv[0], "verify")) return graph_verify(argc, argv); if (!strcmp(argv[0], "write")) diff --git a/builtin/commit-tree.c b/builtin/commit-tree.c index b866d83951..1031b9a491 100644 --- a/builtin/commit-tree.c +++ b/builtin/commit-tree.c @@ -108,15 +108,15 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) struct object_id commit_oid; struct option options[] = { - { OPTION_CALLBACK, 'p', NULL, &parents, N_("parent"), + OPT_CALLBACK_F('p', NULL, &parents, N_("parent"), N_("id of a parent commit object"), PARSE_OPT_NONEG, - parse_parent_arg_callback }, - { OPTION_CALLBACK, 'm', NULL, &buffer, N_("message"), + parse_parent_arg_callback), + OPT_CALLBACK_F('m', NULL, &buffer, N_("message"), N_("commit message"), PARSE_OPT_NONEG, - parse_message_arg_callback }, - { OPTION_CALLBACK, 'F', NULL, &buffer, N_("file"), + parse_message_arg_callback), + OPT_CALLBACK_F('F', NULL, &buffer, N_("file"), N_("read commit log message from file"), PARSE_OPT_NONEG, - parse_file_arg_callback }, + parse_file_arg_callback), { OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"), N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, OPT_END() diff --git a/builtin/commit.c b/builtin/commit.c index 1921401117..243c626307 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -59,16 +59,22 @@ N_("The previous cherry-pick is now empty, possibly due to conflict resolution.\ " git commit --allow-empty\n" "\n"); +static const char empty_rebase_pick_advice[] = +N_("Otherwise, please use 'git rebase --skip'\n"); + static const char empty_cherry_pick_advice_single[] = -N_("Otherwise, please use 'git reset'\n"); +N_("Otherwise, please use 'git cherry-pick --skip'\n"); static const char empty_cherry_pick_advice_multi[] = -N_("If you wish to skip this commit, use:\n" +N_("and then use:\n" +"\n" +" git cherry-pick --continue\n" "\n" -" git reset\n" +"to resume cherry-picking the remaining commits.\n" +"If you wish to skip this commit, use:\n" "\n" -"Then \"git cherry-pick --continue\" will resume cherry-picking\n" -"the remaining commits.\n"); +" git cherry-pick --skip\n" +"\n"); static const char *color_status_slots[] = { [WT_STATUS_HEADER] = "header", @@ -99,14 +105,16 @@ static const char *template_file; */ static const char *author_message, *author_message_buffer; static char *edit_message, *use_message; -static char *fixup_message, *squash_message; +static char *fixup_message, *fixup_commit, *squash_message; +static const char *fixup_prefix; static int all, also, interactive, patch_interactive, only, amend, signoff; static int edit_flag = -1; /* unspecified */ static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship; static int config_commit_verbose = -1; /* unspecified */ -static int no_post_rewrite, allow_empty_message; +static int no_post_rewrite, allow_empty_message, pathspec_file_nul; static char *untracked_files_arg, *force_date, *ignore_submodule_arg, *ignored_arg; -static char *sign_commit; +static char *sign_commit, *pathspec_from_file; +static struct strvec trailer_args = STRVEC_INIT; /* * The default commit message cleanup mode will remove the lines @@ -119,13 +127,20 @@ static enum commit_msg_cleanup_mode cleanup_mode; static const char *cleanup_arg; static enum commit_whence whence; -static int sequencer_in_use; static int use_editor = 1, include_status = 1; static int have_option_m; static struct strbuf message = STRBUF_INIT; static enum wt_status_format status_format = STATUS_FORMAT_UNSPECIFIED; +static int opt_pass_trailer(const struct option *opt, const char *arg, int unset) +{ + BUG_ON_OPT_NEG(unset); + + strvec_pushl(&trailer_args, "--trailer", arg, NULL); + return 0; +} + static int opt_parse_porcelain(const struct option *opt, const char *arg, int unset) { enum wt_status_format *value = (enum wt_status_format *)opt->value; @@ -176,12 +191,7 @@ static void determine_whence(struct wt_status *s) { if (file_exists(git_path_merge_head(the_repository))) whence = FROM_MERGE; - else if (file_exists(git_path_cherry_pick_head(the_repository))) { - whence = FROM_CHERRY_PICK; - if (file_exists(git_path_seq_dir())) - sequencer_in_use = 1; - } - else + else if (!sequencer_determine_whence(the_repository, &whence)) whence = FROM_COMMIT; if (s) s->whence = whence; @@ -251,6 +261,8 @@ static int list_paths(struct string_list *list, const char *with_tree, free(max_prefix); } + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(&the_index); for (i = 0; i < active_nr; i++) { const struct cache_entry *ce = active_cache[i]; struct string_list_item *item; @@ -326,7 +338,7 @@ static void refresh_cache_or_die(int refresh_flags) die_resolve_conflict("commit"); } -static const char *prepare_index(int argc, const char **argv, const char *prefix, +static const char *prepare_index(const char **argv, const char *prefix, const struct commit *current_head, int is_status) { struct string_list partial = STRING_LIST_INIT_DUP; @@ -340,11 +352,32 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix PATHSPEC_PREFER_FULL, prefix, argv); + if (pathspec_from_file) { + if (interactive) + die(_("--pathspec-from-file is incompatible with --interactive/--patch")); + + if (all) + die(_("--pathspec-from-file with -a does not make sense")); + + if (pathspec.nr) + die(_("--pathspec-from-file is incompatible with pathspec arguments")); + + parse_pathspec_file(&pathspec, 0, + PATHSPEC_PREFER_FULL, + prefix, pathspec_from_file, pathspec_file_nul); + } else if (pathspec_file_nul) { + die(_("--pathspec-file-nul requires --pathspec-from-file")); + } + + if (!pathspec.nr && (also || (only && !allow_empty && + (!amend || (fixup_message && strcmp(fixup_prefix, "amend")))))) + die(_("No paths with --include/--only does not make sense.")); + if (read_cache_preload(&pathspec) < 0) die(_("index file corrupt")); if (interactive) { - char *old_index_env = NULL; + char *old_index_env = NULL, *old_repo_index_file; hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR); refresh_cache_or_die(refresh_flags); @@ -352,12 +385,16 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix if (write_locked_index(&the_index, &index_lock, 0)) die(_("unable to create temporary index")); + old_repo_index_file = the_repository->index_file; + the_repository->index_file = + (char *)get_lock_file_path(&index_lock); old_index_env = xstrdup_or_null(getenv(INDEX_ENVIRONMENT)); - setenv(INDEX_ENVIRONMENT, get_lock_file_path(&index_lock), 1); + setenv(INDEX_ENVIRONMENT, the_repository->index_file, 1); - if (interactive_add(argc, argv, prefix, patch_interactive) != 0) + if (interactive_add(argv, prefix, patch_interactive) != 0) die(_("interactive add failed")); + the_repository->index_file = old_repo_index_file; if (old_index_env && *old_index_env) setenv(INDEX_ENVIRONMENT, old_index_env, 1); else @@ -450,8 +487,10 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix if (whence != FROM_COMMIT) { if (whence == FROM_MERGE) die(_("cannot do a partial commit during a merge.")); - else if (whence == FROM_CHERRY_PICK) + else if (is_from_cherry_pick(whence)) die(_("cannot do a partial commit during a cherry-pick.")); + else if (is_from_rebase(whence)) + die(_("cannot do a partial commit during a rebase.")); } if (list_paths(&partial, !current_head ? NULL : "HEAD", &pathspec)) @@ -507,7 +546,7 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int s->nowarn = nowarn; s->is_initial = get_oid(s->reference, &oid) ? 1 : 0; if (!s->is_initial) - hashcpy(s->sha1_commit, oid.hash); + oidcpy(&s->oid_commit, &oid); s->status_format = status_format; s->ignore_submodule_arg = ignore_submodule_arg; @@ -534,7 +573,7 @@ static void export_one(const char *var, const char *s, const char *e, int hack) struct strbuf buf = STRBUF_INIT; if (hack) strbuf_addch(&buf, hack); - strbuf_addf(&buf, "%.*s", (int)(e - s), s); + strbuf_add(&buf, s, e - s); setenv(var, buf.buf, 1); strbuf_release(&buf); } @@ -655,6 +694,22 @@ static void adjust_comment_line_char(const struct strbuf *sb) comment_line_char = *p; } +static void prepare_amend_commit(struct commit *commit, struct strbuf *sb, + struct pretty_print_context *ctx) +{ + const char *buffer, *subject, *fmt; + + buffer = get_commit_buffer(commit, NULL); + find_commit_subject(buffer, &subject); + /* + * If we amend the 'amend!' commit then we don't want to + * duplicate the subject line. + */ + fmt = starts_with(subject, "amend!") ? "%b" : "%B"; + format_commit_message(commit, fmt, sb, ctx); + unuse_commit_buffer(commit, buffer); +} + static int prepare_to_commit(const char *index_file, const char *prefix, struct commit *current_head, struct wt_status *s, @@ -719,15 +774,33 @@ static int prepare_to_commit(const char *index_file, const char *prefix, } else if (fixup_message) { struct pretty_print_context ctx = {0}; struct commit *commit; - commit = lookup_commit_reference_by_name(fixup_message); + char *fmt; + commit = lookup_commit_reference_by_name(fixup_commit); if (!commit) - die(_("could not lookup commit %s"), fixup_message); + die(_("could not lookup commit %s"), fixup_commit); ctx.output_encoding = get_commit_output_encoding(); - format_commit_message(commit, "fixup! %s\n\n", - &sb, &ctx); - if (have_option_m) - strbuf_addbuf(&sb, &message); + fmt = xstrfmt("%s! %%s\n\n", fixup_prefix); + format_commit_message(commit, fmt, &sb, &ctx); + free(fmt); hook_arg1 = "message"; + + /* + * Only `-m` commit message option is checked here, as + * it supports `--fixup` to append the commit message. + * + * The other commit message options `-c`/`-C`/`-F` are + * incompatible with all the forms of `--fixup` and + * have already errored out while parsing the `git commit` + * options. + */ + if (have_option_m && !strcmp(fixup_prefix, "fixup")) + strbuf_addbuf(&sb, &message); + + if (!strcmp(fixup_prefix, "amend")) { + if (have_option_m) + die(_("cannot combine -m with --fixup:%s"), fixup_message); + prepare_amend_commit(commit, &sb, &ctx); + } } else if (!stat(git_path_merge_msg(the_repository), &statbuf)) { size_t merge_msg_start; @@ -768,7 +841,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix, */ else if (whence == FROM_MERGE) hook_arg1 = "merge"; - else if (whence == FROM_CHERRY_PICK) { + else if (is_from_cherry_pick(whence) || whence == FROM_REBASE_PICK) { hook_arg1 = "commit"; hook_arg2 = "CHERRY_PICK_HEAD"; } @@ -816,44 +889,49 @@ static int prepare_to_commit(const char *index_file, const char *prefix, int ident_shown = 0; int saved_color_setting; struct ident_split ci, ai; - + const char *hint_cleanup_all = allow_empty_message ? + _("Please enter the commit message for your changes." + " Lines starting\nwith '%c' will be ignored.\n") : + _("Please enter the commit message for your changes." + " Lines starting\nwith '%c' will be ignored, and an empty" + " message aborts the commit.\n"); + const char *hint_cleanup_space = allow_empty_message ? + _("Please enter the commit message for your changes." + " Lines starting\n" + "with '%c' will be kept; you may remove them" + " yourself if you want to.\n") : + _("Please enter the commit message for your changes." + " Lines starting\n" + "with '%c' will be kept; you may remove them" + " yourself if you want to.\n" + "An empty message aborts the commit.\n"); if (whence != FROM_COMMIT) { if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS && !merge_contains_scissors) wt_status_add_cut_line(s->fp); - status_printf_ln(s, GIT_COLOR_NORMAL, - whence == FROM_MERGE - ? _("\n" - "It looks like you may be committing a merge.\n" - "If this is not correct, please remove the file\n" - " %s\n" - "and try again.\n") - : _("\n" - "It looks like you may be committing a cherry-pick.\n" - "If this is not correct, please remove the file\n" - " %s\n" - "and try again.\n"), + status_printf_ln( + s, GIT_COLOR_NORMAL, whence == FROM_MERGE ? - git_path_merge_head(the_repository) : - git_path_cherry_pick_head(the_repository)); + _("\n" + "It looks like you may be committing a merge.\n" + "If this is not correct, please run\n" + " git update-ref -d MERGE_HEAD\n" + "and try again.\n") : + _("\n" + "It looks like you may be committing a cherry-pick.\n" + "If this is not correct, please run\n" + " git update-ref -d CHERRY_PICK_HEAD\n" + "and try again.\n")); } fprintf(s->fp, "\n"); if (cleanup_mode == COMMIT_MSG_CLEANUP_ALL) - status_printf(s, GIT_COLOR_NORMAL, - _("Please enter the commit message for your changes." - " Lines starting\nwith '%c' will be ignored, and an empty" - " message aborts the commit.\n"), comment_line_char); + status_printf(s, GIT_COLOR_NORMAL, hint_cleanup_all, comment_line_char); else if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) { if (whence == FROM_COMMIT && !merge_contains_scissors) wt_status_add_cut_line(s->fp); } else /* COMMIT_MSG_CLEANUP_SPACE, that is. */ - status_printf(s, GIT_COLOR_NORMAL, - _("Please enter the commit message for your changes." - " Lines starting\n" - "with '%c' will be kept; you may remove them" - " yourself if you want to.\n" - "An empty message aborts the commit.\n"), comment_line_char); + status_printf(s, GIT_COLOR_NORMAL, hint_cleanup_space, comment_line_char); /* * These should never fail because they come from our own @@ -907,6 +985,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix, if (get_oid(parent, &oid)) { int i, ita_nr = 0; + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(&the_index); for (i = 0; i < active_nr; i++) if (ce_intent_to_add(active_cache[i])) ita_nr++; @@ -934,6 +1014,18 @@ static int prepare_to_commit(const char *index_file, const char *prefix, fclose(s->fp); + if (trailer_args.nr) { + struct child_process run_trailer = CHILD_PROCESS_INIT; + + strvec_pushl(&run_trailer.args, "interpret-trailers", + "--in-place", git_path_commit_editmsg(), NULL); + strvec_pushv(&run_trailer.args, trailer_args.v); + run_trailer.git_cmd = 1; + if (run_command(&run_trailer)) + die(_("unable to pass trailers to --trailers")); + strvec_clear(&trailer_args); + } + /* * Reject an attempt to record a non-merge empty commit without * explicit --allow-empty. In the cherry-pick case, it may be @@ -941,16 +1033,20 @@ static int prepare_to_commit(const char *index_file, const char *prefix, */ if (!committable && whence != FROM_MERGE && !allow_empty && !(amend && is_a_merge(current_head))) { + s->hints = advice_status_hints; s->display_comment_prefix = old_display_comment_prefix; run_status(stdout, index_file, prefix, 0, s); if (amend) fputs(_(empty_amend_advice), stderr); - else if (whence == FROM_CHERRY_PICK) { + else if (is_from_cherry_pick(whence) || + whence == FROM_REBASE_PICK) { fputs(_(empty_cherry_pick_advice), stderr); - if (!sequencer_in_use) + if (whence == FROM_CHERRY_PICK_SINGLE) fputs(_(empty_cherry_pick_advice_single), stderr); - else + else if (whence == FROM_CHERRY_PICK_MULTI) fputs(_(empty_cherry_pick_advice_multi), stderr); + else + fputs(_(empty_rebase_pick_advice), stderr); } return 0; } @@ -975,15 +1071,15 @@ static int prepare_to_commit(const char *index_file, const char *prefix, return 0; if (use_editor) { - struct argv_array env = ARGV_ARRAY_INIT; + struct strvec env = STRVEC_INIT; - argv_array_pushf(&env, "GIT_INDEX_FILE=%s", index_file); - if (launch_editor(git_path_commit_editmsg(), NULL, env.argv)) { + strvec_pushf(&env, "GIT_INDEX_FILE=%s", index_file); + if (launch_editor(git_path_commit_editmsg(), NULL, env.v)) { fprintf(stderr, _("Please supply the message using either -m or -F option.\n")); exit(1); } - argv_array_clear(&env); + strvec_clear(&env); } if (!no_verify && @@ -1011,7 +1107,7 @@ static const char *find_author_by_nickname(const char *name) av[++ac] = NULL; setup_revisions(ac, av, &revs, NULL); revs.mailmap = &mailmap; - read_mailmap(revs.mailmap, NULL); + read_mailmap(revs.mailmap); if (prepare_revision_walk(&revs)) die(_("revision walk setup failed")); @@ -1078,9 +1174,11 @@ static const char *read_commit_message(const char *name) static struct status_deferred_config { enum wt_status_format status_format; int show_branch; + enum ahead_behind_flags ahead_behind; } status_deferred_config = { STATUS_FORMAT_UNSPECIFIED, - -1 /* unspecified */ + -1, /* unspecified */ + AHEAD_BEHIND_UNSPECIFIED, }; static void finalize_deferred_config(struct wt_status *s) @@ -1107,10 +1205,34 @@ static void finalize_deferred_config(struct wt_status *s) if (s->show_branch < 0) s->show_branch = 0; + /* + * If the user did not give a "--[no]-ahead-behind" command + * line argument *AND* we will print in a human-readable format + * (short, long etc.) then we inherit from the status.aheadbehind + * config setting. In all other cases (and porcelain V[12] formats + * in particular), we inherit _FULL for backwards compatibility. + */ + if (use_deferred_config && + s->ahead_behind_flags == AHEAD_BEHIND_UNSPECIFIED) + s->ahead_behind_flags = status_deferred_config.ahead_behind; + if (s->ahead_behind_flags == AHEAD_BEHIND_UNSPECIFIED) s->ahead_behind_flags = AHEAD_BEHIND_FULL; } +static void check_fixup_reword_options(int argc, const char *argv[]) { + if (whence != FROM_COMMIT) { + if (whence == FROM_MERGE) + die(_("You are in the middle of a merge -- cannot reword.")); + else if (is_from_cherry_pick(whence)) + die(_("You are in the middle of a cherry-pick -- cannot reword.")); + } + if (argc) + die(_("cannot combine reword option of --fixup with path '%s'"), *argv); + if (patch_interactive || interactive || all || also || only) + die(_("reword option of --fixup is mutually exclusive with --patch/--interactive/--all/--include/--only")); +} + static int parse_and_validate_options(int argc, const char *argv[], const struct option *options, const char * const usage[], @@ -1129,7 +1251,7 @@ static int parse_and_validate_options(int argc, const char *argv[], if (force_author && renew_authorship) die(_("Using both --reset-author and --author does not make sense")); - if (logfile || have_option_m || use_message || fixup_message) + if (logfile || have_option_m || use_message) use_editor = 0; if (0 <= edit_flag) use_editor = edit_flag; @@ -1140,8 +1262,10 @@ static int parse_and_validate_options(int argc, const char *argv[], if (amend && whence != FROM_COMMIT) { if (whence == FROM_MERGE) die(_("You are in the middle of a merge -- cannot amend.")); - else if (whence == FROM_CHERRY_PICK) + else if (is_from_cherry_pick(whence)) die(_("You are in the middle of a cherry-pick -- cannot amend.")); + else if (whence == FROM_REBASE_PICK) + die(_("You are in the middle of a rebase -- cannot amend.")); } if (fixup_message && squash_message) die(_("Options --squash and --fixup cannot be used together")); @@ -1163,7 +1287,8 @@ static int parse_and_validate_options(int argc, const char *argv[], use_message = edit_message; if (amend && !use_message && !fixup_message) use_message = "HEAD"; - if (!use_message && whence != FROM_CHERRY_PICK && renew_authorship) + if (!use_message && !is_from_cherry_pick(whence) && + !is_from_rebase(whence) && renew_authorship) die(_("--reset-author can be used only with -C, -c or --amend.")); if (use_message) { use_message_buffer = read_commit_message(use_message); @@ -1172,7 +1297,8 @@ static int parse_and_validate_options(int argc, const char *argv[], author_message_buffer = use_message_buffer; } } - if (whence == FROM_CHERRY_PICK && !renew_authorship) { + if ((is_from_cherry_pick(whence) || whence == FROM_REBASE_PICK) && + !renew_authorship) { author_message = "CHERRY_PICK_HEAD"; author_message_buffer = read_commit_message(author_message); } @@ -1182,8 +1308,42 @@ static int parse_and_validate_options(int argc, const char *argv[], if (also + only + all + interactive > 1) die(_("Only one of --include/--only/--all/--interactive/--patch can be used.")); - if (argc == 0 && (also || (only && !amend && !allow_empty))) - die(_("No paths with --include/--only does not make sense.")); + + if (fixup_message) { + /* + * We limit --fixup's suboptions to only alpha characters. + * If the first character after a run of alpha is colon, + * then the part before the colon may be a known suboption + * name like `amend` or `reword`, or a misspelt suboption + * name. In either case, we treat it as + * --fixup=<suboption>:<arg>. + * + * Otherwise, we are dealing with --fixup=<commit>. + */ + char *p = fixup_message; + while (isalpha(*p)) + p++; + if (p > fixup_message && *p == ':') { + *p = '\0'; + fixup_commit = p + 1; + if (!strcmp("amend", fixup_message) || + !strcmp("reword", fixup_message)) { + fixup_prefix = "amend"; + allow_empty = 1; + if (*fixup_message == 'r') { + check_fixup_reword_options(argc, argv); + only = 1; + } + } else { + die(_("unknown option: --fixup=%s:%s"), fixup_message, fixup_commit); + } + } else { + fixup_commit = fixup_message; + fixup_prefix = "fixup"; + use_editor = 0; + } + } + cleanup_mode = get_cleanup_mode(cleanup_arg, use_editor); handle_untracked_files_arg(s); @@ -1198,13 +1358,13 @@ static int parse_and_validate_options(int argc, const char *argv[], return argc; } -static int dry_run_commit(int argc, const char **argv, const char *prefix, +static int dry_run_commit(const char **argv, const char *prefix, const struct commit *current_head, struct wt_status *s) { int committable; const char *index_file; - index_file = prepare_index(argc, argv, prefix, current_head, 1); + index_file = prepare_index(argv, prefix, current_head, 1); committable = run_status(stdout, index_file, prefix, 0, s); rollback_index_files(); @@ -1246,6 +1406,10 @@ static int git_status_config(const char *k, const char *v, void *cb) status_deferred_config.show_branch = git_config_bool(k, v); return 0; } + if (!strcmp(k, "status.aheadbehind")) { + status_deferred_config.ahead_behind = git_config_bool(k, v); + return 0; + } if (!strcmp(k, "status.showstash")) { s->show_stash = git_config_bool(k, v); return 0; @@ -1323,9 +1487,9 @@ int cmd_status(int argc, const char **argv, const char *prefix) N_("show stash information")), OPT_BOOL(0, "ahead-behind", &s.ahead_behind_flags, N_("compute full ahead/behind values")), - { OPTION_CALLBACK, 0, "porcelain", &status_format, + OPT_CALLBACK_F(0, "porcelain", &status_format, N_("version"), N_("machine-readable output"), - PARSE_OPT_OPTARG, opt_parse_porcelain }, + PARSE_OPT_OPTARG, opt_parse_porcelain), OPT_SET_INT(0, "long", &status_format, N_("show status in long format (default)"), STATUS_FORMAT_LONG), @@ -1344,15 +1508,18 @@ int cmd_status(int argc, const char **argv, const char *prefix) PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, OPT_COLUMN(0, "column", &s.colopts, N_("list untracked files in columns")), OPT_BOOL(0, "no-renames", &no_renames, N_("do not detect renames")), - { OPTION_CALLBACK, 'M', "find-renames", &rename_score_arg, + OPT_CALLBACK_F('M', "find-renames", &rename_score_arg, N_("n"), N_("detect renames, optionally set similarity index"), - PARSE_OPT_OPTARG | PARSE_OPT_NONEG, opt_parse_rename_score }, + PARSE_OPT_OPTARG | PARSE_OPT_NONEG, opt_parse_rename_score), OPT_END(), }; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(builtin_status_usage, builtin_status_options); + prepare_repo_settings(the_repository); + the_repository->settings.command_requires_full_index = 0; + status_init_config(&s, git_status_config); argc = parse_options(argc, argv, prefix, builtin_status_options, @@ -1386,7 +1553,7 @@ int cmd_status(int argc, const char **argv, const char *prefix) s.is_initial = get_oid(s.reference, &oid) ? 1 : 0; if (!s.is_initial) - hashcpy(s.sha1_commit, oid.hash); + oidcpy(&s.oid_commit, &oid); s.ignore_submodule_arg = ignore_submodule_arg; s.status_format = status_format; @@ -1443,31 +1610,8 @@ static int git_commit_config(const char *k, const char *v, void *cb) return git_status_config(k, v, s); } -int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...) -{ - struct argv_array hook_env = ARGV_ARRAY_INIT; - va_list args; - int ret; - - argv_array_pushf(&hook_env, "GIT_INDEX_FILE=%s", index_file); - - /* - * Let the hook know that no editor will be launched. - */ - if (!editor_is_used) - argv_array_push(&hook_env, "GIT_EDITOR=:"); - - va_start(args, name); - ret = run_hook_ve(hook_env.argv,name, args); - va_end(args); - argv_array_clear(&hook_env); - - return ret; -} - int cmd_commit(int argc, const char **argv, const char *prefix) { - const char *argv_gc_auto[] = {"gc", "--auto", NULL}; static struct wt_status s; static struct option builtin_commit_options[] = { OPT__QUIET(&quiet, N_("suppress summary after successful commit")), @@ -1480,10 +1624,15 @@ int cmd_commit(int argc, const char **argv, const char *prefix) OPT_CALLBACK('m', "message", &message, N_("message"), N_("commit message"), opt_parse_m), OPT_STRING('c', "reedit-message", &edit_message, N_("commit"), N_("reuse and edit message from specified commit")), OPT_STRING('C', "reuse-message", &use_message, N_("commit"), N_("reuse message from specified commit")), - OPT_STRING(0, "fixup", &fixup_message, N_("commit"), N_("use autosquash formatted message to fixup specified commit")), + /* + * TRANSLATORS: Leave "[(amend|reword):]" as-is, + * and only translate <commit>. + */ + OPT_STRING(0, "fixup", &fixup_message, N_("[(amend|reword):]commit"), N_("use autosquash formatted message to fixup or amend/reword specified commit")), OPT_STRING(0, "squash", &squash_message, N_("commit"), N_("use autosquash formatted message to squash specified commit")), OPT_BOOL(0, "reset-author", &renew_authorship, N_("the commit is authored by me now (used with -C/-c/--amend)")), - OPT_BOOL('s', "signoff", &signoff, N_("add Signed-off-by:")), + OPT_CALLBACK_F(0, "trailer", NULL, N_("trailer"), N_("add custom trailer(s)"), PARSE_OPT_NONEG, opt_pass_trailer), + OPT_BOOL('s', "signoff", &signoff, N_("add a Signed-off-by trailer")), OPT_FILENAME('t', "template", &template_file, N_("use specified template file")), OPT_BOOL('e', "edit", &edit_flag, N_("force edit of commit")), OPT_CLEANUP(&cleanup_arg), @@ -1515,6 +1664,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "amend", &amend, N_("amend previous commit")), OPT_BOOL(0, "no-post-rewrite", &no_post_rewrite, N_("bypass post-rewrite hook")), { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, N_("mode"), N_("show untracked files, optional modes: all, normal, no. (Default: all)"), PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, + OPT_PATHSPEC_FROM_FILE(&pathspec_from_file), + OPT_PATHSPEC_FILE_NUL(&pathspec_file_nul), /* end commit contents options */ OPT_HIDDEN_BOOL(0, "allow-empty", &allow_empty, @@ -1538,6 +1689,9 @@ int cmd_commit(int argc, const char **argv, const char *prefix) if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(builtin_commit_usage, builtin_commit_options); + prepare_repo_settings(the_repository); + the_repository->settings.command_requires_full_index = 0; + status_init_config(&s, git_commit_config); s.commit_template = 1; status_format = STATUS_FORMAT_NONE; /* Ignore status.short */ @@ -1558,8 +1712,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix) verbose = (config_commit_verbose < 0) ? 0 : config_commit_verbose; if (dry_run) - return dry_run_commit(argc, argv, prefix, current_head, &s); - index_file = prepare_index(argc, argv, prefix, current_head, 0); + return dry_run_commit(argv, prefix, current_head, &s); + index_file = prepare_index(argv, prefix, current_head, 0); /* Set up everything for writing the commit object. This includes running hooks, writing the trees, and interacting with the user. */ @@ -1608,8 +1762,10 @@ int cmd_commit(int argc, const char **argv, const char *prefix) reduce_heads_replace(&parents); } else { if (!reflog_msg) - reflog_msg = (whence == FROM_CHERRY_PICK) + reflog_msg = is_from_cherry_pick(whence) ? "commit (cherry-pick)" + : is_from_rebase(whence) + ? "commit (rebase)" : "commit"; commit_list_insert(current_head, &parents); } @@ -1635,8 +1791,21 @@ int cmd_commit(int argc, const char **argv, const char *prefix) exit(1); } + if (fixup_message && starts_with(sb.buf, "amend! ") && + !allow_empty_message) { + struct strbuf body = STRBUF_INIT; + size_t len = commit_subject_length(sb.buf); + strbuf_addstr(&body, sb.buf + len); + if (message_is_empty(&body, cleanup_mode)) { + rollback_index_files(); + fprintf(stderr, _("Aborting commit due to empty commit message body.\n")); + exit(1); + } + strbuf_release(&body); + } + if (amend) { - const char *exclude_gpgsig[2] = { "gpgsig", NULL }; + const char *exclude_gpgsig[3] = { "gpgsig", "gpgsig-sha256", NULL }; extra = read_commit_extra_headers(current_head, exclude_gpgsig); } else { struct commit_extra_header **tail = &extra; @@ -1644,8 +1813,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix) } if (commit_tree_extended(sb.buf, sb.len, &active_cache_tree->oid, - parents, &oid, author_ident.buf, sign_commit, - extra)) { + parents, &oid, author_ident.buf, NULL, + sign_commit, extra)) { rollback_index_files(); die(_("failed to write commit object")); } @@ -1658,7 +1827,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) die("%s", err.buf); } - sequencer_post_commit_cleanup(the_repository); + sequencer_post_commit_cleanup(the_repository, 0); unlink(git_path_merge_head(the_repository)); unlink(git_path_merge_msg(the_repository)); unlink(git_path_merge_mode(the_repository)); @@ -1667,14 +1836,12 @@ int cmd_commit(int argc, const char **argv, const char *prefix) if (commit_index_files()) die(_("repository has been updated, but unable to write\n" "new_index file. Check that disk is not full and quota is\n" - "not exceeded, and then \"git reset HEAD\" to recover.")); + "not exceeded, and then \"git restore --staged :/\" to recover.")); - if (git_env_bool(GIT_TEST_COMMIT_GRAPH, 0) && - write_commit_graph_reachable(get_object_directory(), 0)) - return 1; + git_test_write_commit_graph_or_die(); repo_rerere(the_repository, 0); - run_command_v_opt(argv_gc_auto, RUN_GIT_CMD); + run_auto_maintenance(quiet); run_commit_hook(use_editor, get_index_file(), "post-commit", NULL); if (amend && !no_post_rewrite) { commit_post_rewrite(the_repository, current_head, &oid); @@ -1690,6 +1857,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix) &oid, flags); } + apply_autostash(git_path_merge_autostash(the_repository)); + UNLEAK(err); UNLEAK(sb); return 0; diff --git a/builtin/config.c b/builtin/config.c index 98d65bc0ad..865fddd6ce 100644 --- a/builtin/config.c +++ b/builtin/config.c @@ -14,6 +14,7 @@ static const char *const builtin_config_usage[] = { static char *key; static regex_t *key_regexp; +static const char *value_pattern; static regex_t *regexp; static int show_keys; static int omit_values; @@ -29,10 +30,12 @@ static int use_worktree_config; static struct git_config_source given_config_source; static int actions, type; static char *default_value; -static int end_null; +static int end_nul; static int respect_includes_opt = -1; static struct config_options config_options; static int show_origin; +static int show_scope; +static int fixed_value; #define ACTION_GET (1<<0) #define ACTION_GET_ALL (1<<1) @@ -64,6 +67,7 @@ static int show_origin; #define TYPE_PATH 4 #define TYPE_EXPIRY_DATE 5 #define TYPE_COLOR 6 +#define TYPE_BOOL_OR_STR 7 #define OPT_CALLBACK_VALUE(s, l, v, h, i) \ { OPTION_CALLBACK, (s), (l), (v), NULL, (h), PARSE_OPT_NOARG | \ @@ -93,6 +97,8 @@ static int option_parse_type(const struct option *opt, const char *arg, new_type = TYPE_INT; else if (!strcmp(arg, "bool-or-int")) new_type = TYPE_BOOL_OR_INT; + else if (!strcmp(arg, "bool-or-str")) + new_type = TYPE_BOOL_OR_STR; else if (!strcmp(arg, "path")) new_type = TYPE_PATH; else if (!strcmp(arg, "expiry-date")) @@ -129,17 +135,18 @@ static struct option builtin_config_options[] = { OPT_STRING('f', "file", &given_config_source.file, N_("file"), N_("use given config file")), OPT_STRING(0, "blob", &given_config_source.blob, N_("blob-id"), N_("read config from given blob object")), OPT_GROUP(N_("Action")), - OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET), - OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL), - OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP), + OPT_BIT(0, "get", &actions, N_("get value: name [value-pattern]"), ACTION_GET), + OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-pattern]"), ACTION_GET_ALL), + OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-pattern]"), ACTION_GET_REGEXP), OPT_BIT(0, "get-urlmatch", &actions, N_("get value specific for the URL: section[.var] URL"), ACTION_GET_URLMATCH), - OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL), + OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value-pattern]"), ACTION_REPLACE_ALL), OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD), - OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET), - OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL), + OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-pattern]"), ACTION_UNSET), + OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-pattern]"), ACTION_UNSET_ALL), OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION), OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION), OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST), + OPT_BOOL(0, "fixed-value", &fixed_value, N_("use string equality when comparing values to 'value-pattern'")), OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT), OPT_BIT(0, "get-color", &actions, N_("find the color configured: slot [default]"), ACTION_GET_COLOR), OPT_BIT(0, "get-colorbool", &actions, N_("find the color setting: slot [stdout-is-tty]"), ACTION_GET_COLORBOOL), @@ -148,13 +155,15 @@ static struct option builtin_config_options[] = { OPT_CALLBACK_VALUE(0, "bool", &type, N_("value is \"true\" or \"false\""), TYPE_BOOL), OPT_CALLBACK_VALUE(0, "int", &type, N_("value is decimal number"), TYPE_INT), OPT_CALLBACK_VALUE(0, "bool-or-int", &type, N_("value is --bool or --int"), TYPE_BOOL_OR_INT), + OPT_CALLBACK_VALUE(0, "bool-or-str", &type, N_("value is --bool or string"), TYPE_BOOL_OR_STR), OPT_CALLBACK_VALUE(0, "path", &type, N_("value is a path (file or directory name)"), TYPE_PATH), OPT_CALLBACK_VALUE(0, "expiry-date", &type, N_("value is an expiry date"), TYPE_EXPIRY_DATE), OPT_GROUP(N_("Other")), - OPT_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")), + OPT_BOOL('z', "null", &end_nul, N_("terminate values with NUL byte")), OPT_BOOL(0, "name-only", &omit_values, N_("show variable names only")), OPT_BOOL(0, "includes", &respect_includes_opt, N_("respect include directives on lookup")), OPT_BOOL(0, "show-origin", &show_origin, N_("show origin of config (file, standard input, blob, command line)")), + OPT_BOOL(0, "show-scope", &show_scope, N_("show scope of config (worktree, local, global, system, command)")), OPT_STRING(0, "default", &default_value, N_("value"), N_("with --get, use default value when missing entry")), OPT_END(), }; @@ -178,22 +187,34 @@ static void check_argc(int argc, int min, int max) static void show_config_origin(struct strbuf *buf) { - const char term = end_null ? '\0' : '\t'; + const char term = end_nul ? '\0' : '\t'; strbuf_addstr(buf, current_config_origin_type()); strbuf_addch(buf, ':'); - if (end_null) + if (end_nul) strbuf_addstr(buf, current_config_name()); else quote_c_style(current_config_name(), buf, NULL, 0); strbuf_addch(buf, term); } +static void show_config_scope(struct strbuf *buf) +{ + const char term = end_nul ? '\0' : '\t'; + const char *scope = config_scope_name(current_config_scope()); + + strbuf_addstr(buf, N_(scope)); + strbuf_addch(buf, term); +} + static int show_all_config(const char *key_, const char *value_, void *cb) { - if (show_origin) { + if (show_origin || show_scope) { struct strbuf buf = STRBUF_INIT; - show_config_origin(&buf); + if (show_scope) + show_config_scope(&buf); + if (show_origin) + show_config_origin(&buf); /* Use fwrite as "buf" can contain \0's if "end_null" is set. */ fwrite(buf.buf, 1, buf.len, stdout); strbuf_release(&buf); @@ -213,6 +234,8 @@ struct strbuf_list { static int format_config(struct strbuf *buf, const char *key_, const char *value_) { + if (show_scope) + show_config_scope(buf); if (show_origin) show_config_origin(buf); if (show_keys) @@ -234,6 +257,12 @@ static int format_config(struct strbuf *buf, const char *key_, const char *value strbuf_addstr(buf, v ? "true" : "false"); else strbuf_addf(buf, "%d", v); + } else if (type == TYPE_BOOL_OR_STR) { + int v = git_parse_maybe_bool(value_); + if (v < 0) + strbuf_addstr(buf, value_); + else + strbuf_addstr(buf, v ? "true" : "false"); } else if (type == TYPE_PATH) { const char *v; if (git_config_pathname(&v, key_, value_) < 0) @@ -270,6 +299,8 @@ static int collect_config(const char *key_, const char *value_, void *cb) return 0; if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0)) return 0; + if (fixed_value && strcmp(value_pattern, (value_?value_:""))) + return 0; if (regexp != NULL && (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0))) return 0; @@ -280,7 +311,7 @@ static int collect_config(const char *key_, const char *value_, void *cb) return format_config(&values->items[values->nr++], key_, value_); } -static int get_value(const char *key_, const char *regex_) +static int get_value(const char *key_, const char *regex_, unsigned flags) { int ret = CONFIG_GENERIC_ERROR; struct strbuf_list values = {NULL}; @@ -317,7 +348,9 @@ static int get_value(const char *key_, const char *regex_) } } - if (regex_) { + if (regex_ && (flags & CONFIG_FLAGS_FIXED_VALUE)) + value_pattern = regex_; + else if (regex_) { if (regex_[0] == '!') { do_not_match = 1; regex_++; @@ -395,6 +428,13 @@ static char *normalize_value(const char *key, const char *value) else return xstrdup(v ? "true" : "false"); } + if (type == TYPE_BOOL_OR_STR) { + int v = git_parse_maybe_bool(value); + if (v < 0) + return xstrdup(value); + else + return xstrdup(v ? "true" : "false"); + } if (type == TYPE_COLOR) { char v[COLOR_MAXLEN]; if (git_config_color(v, key, value)) @@ -598,6 +638,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) { int nongit = !startup_info->have_repository; char *value; + int flags = 0; given_config_source.file = xstrdup_or_null(getenv(CONFIG_ENVIRONMENT)); @@ -612,22 +653,27 @@ int cmd_config(int argc, const char **argv, const char *prefix) usage_builtin_config(); } - if (use_local_config && nongit) - die(_("--local can only be used inside a git repository")); + if (nongit) { + if (use_local_config) + die(_("--local can only be used inside a git repository")); + if (given_config_source.blob) + die(_("--blob can only be used inside a git repository")); + if (use_worktree_config) + die(_("--worktree can only be used inside a git repository")); - if (given_config_source.blob && nongit) - die(_("--blob can only be used inside a git repository")); + } if (given_config_source.file && !strcmp(given_config_source.file, "-")) { given_config_source.file = NULL; given_config_source.use_stdin = 1; + given_config_source.scope = CONFIG_SCOPE_COMMAND; } if (use_global_config) { - char *user_config = expand_user_path("~/.gitconfig", 0); - char *xdg_config = xdg_config_home("config"); + char *user_config, *xdg_config; + git_global_config(&user_config, &xdg_config); if (!user_config) /* * It is unknown if HOME/.gitconfig exists, so @@ -637,6 +683,8 @@ int cmd_config(int argc, const char **argv, const char *prefix) */ die(_("$HOME not set")); + given_config_source.scope = CONFIG_SCOPE_GLOBAL; + if (access_or_warn(user_config, R_OK, 0) && xdg_config && !access_or_warn(xdg_config, R_OK, 0)) { given_config_source.file = xdg_config; @@ -646,12 +694,14 @@ int cmd_config(int argc, const char **argv, const char *prefix) free(xdg_config); } } - else if (use_system_config) - given_config_source.file = git_etc_gitconfig(); - else if (use_local_config) + else if (use_system_config) { + given_config_source.file = git_system_config(); + given_config_source.scope = CONFIG_SCOPE_SYSTEM; + } else if (use_local_config) { given_config_source.file = git_pathdup("config"); - else if (use_worktree_config) { - struct worktree **worktrees = get_worktrees(0); + given_config_source.scope = CONFIG_SCOPE_LOCAL; + } else if (use_worktree_config) { + struct worktree **worktrees = get_worktrees(); if (repository_format_worktree_config) given_config_source.file = git_pathdup("config.worktree"); else if (worktrees[0] && worktrees[1]) @@ -662,13 +712,18 @@ int cmd_config(int argc, const char **argv, const char *prefix) "section in \"git help worktree\" for details")); else given_config_source.file = git_pathdup("config"); + given_config_source.scope = CONFIG_SCOPE_LOCAL; free_worktrees(worktrees); } else if (given_config_source.file) { if (!is_absolute_path(given_config_source.file) && prefix) given_config_source.file = prefix_filename(prefix, given_config_source.file); + given_config_source.scope = CONFIG_SCOPE_COMMAND; + } else if (given_config_source.blob) { + given_config_source.scope = CONFIG_SCOPE_COMMAND; } + if (respect_includes_opt == -1) config_options.respect_includes = !given_config_source.file; else @@ -678,7 +733,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) config_options.git_dir = get_git_dir(); } - if (end_null) { + if (end_nul) { term = '\0'; delim = '\n'; key_delim = '\n'; @@ -719,6 +774,42 @@ int cmd_config(int argc, const char **argv, const char *prefix) usage_builtin_config(); } + /* check usage of --fixed-value */ + if (fixed_value) { + int allowed_usage = 0; + + switch (actions) { + /* git config --get <name> <value-pattern> */ + case ACTION_GET: + /* git config --get-all <name> <value-pattern> */ + case ACTION_GET_ALL: + /* git config --get-regexp <name-pattern> <value-pattern> */ + case ACTION_GET_REGEXP: + /* git config --unset <name> <value-pattern> */ + case ACTION_UNSET: + /* git config --unset-all <name> <value-pattern> */ + case ACTION_UNSET_ALL: + allowed_usage = argc > 1 && !!argv[1]; + break; + + /* git config <name> <value> <value-pattern> */ + case ACTION_SET_ALL: + /* git config --replace-all <name> <value> <value-pattern> */ + case ACTION_REPLACE_ALL: + allowed_usage = argc > 2 && !!argv[2]; + break; + + /* other options don't allow --fixed-value */ + } + + if (!allowed_usage) { + error(_("--fixed-value only applies with 'value-pattern'")); + usage_builtin_config(); + } + + flags |= CONFIG_FLAGS_FIXED_VALUE; + } + if (actions & PAGING_ACTIONS) setup_auto_pager("config", 1); @@ -780,7 +871,8 @@ int cmd_config(int argc, const char **argv, const char *prefix) value = normalize_value(argv[0], argv[1]); UNLEAK(value); return git_config_set_multivar_in_file_gently(given_config_source.file, - argv[0], value, argv[2], 0); + argv[0], value, argv[2], + flags); } else if (actions == ACTION_ADD) { check_write(); @@ -789,7 +881,8 @@ int cmd_config(int argc, const char **argv, const char *prefix) UNLEAK(value); return git_config_set_multivar_in_file_gently(given_config_source.file, argv[0], value, - CONFIG_REGEX_NONE, 0); + CONFIG_REGEX_NONE, + flags); } else if (actions == ACTION_REPLACE_ALL) { check_write(); @@ -797,23 +890,24 @@ int cmd_config(int argc, const char **argv, const char *prefix) value = normalize_value(argv[0], argv[1]); UNLEAK(value); return git_config_set_multivar_in_file_gently(given_config_source.file, - argv[0], value, argv[2], 1); + argv[0], value, argv[2], + flags | CONFIG_FLAGS_MULTI_REPLACE); } else if (actions == ACTION_GET) { check_argc(argc, 1, 2); - return get_value(argv[0], argv[1]); + return get_value(argv[0], argv[1], flags); } else if (actions == ACTION_GET_ALL) { do_all = 1; check_argc(argc, 1, 2); - return get_value(argv[0], argv[1]); + return get_value(argv[0], argv[1], flags); } else if (actions == ACTION_GET_REGEXP) { show_keys = 1; use_key_regexp = 1; do_all = 1; check_argc(argc, 1, 2); - return get_value(argv[0], argv[1]); + return get_value(argv[0], argv[1], flags); } else if (actions == ACTION_GET_URLMATCH) { check_argc(argc, 2, 2); @@ -824,7 +918,8 @@ int cmd_config(int argc, const char **argv, const char *prefix) check_argc(argc, 1, 2); if (argc == 2) return git_config_set_multivar_in_file_gently(given_config_source.file, - argv[0], NULL, argv[1], 0); + argv[0], NULL, argv[1], + flags); else return git_config_set_in_file_gently(given_config_source.file, argv[0], NULL); @@ -833,7 +928,8 @@ int cmd_config(int argc, const char **argv, const char *prefix) check_write(); check_argc(argc, 1, 2); return git_config_set_multivar_in_file_gently(given_config_source.file, - argv[0], NULL, argv[1], 1); + argv[0], NULL, argv[1], + flags | CONFIG_FLAGS_MULTI_REPLACE); } else if (actions == ACTION_RENAME_SECTION) { int ret; diff --git a/builtin/credential-cache--daemon.c b/builtin/credential-cache--daemon.c new file mode 100644 index 0000000000..4c6c89ab0d --- /dev/null +++ b/builtin/credential-cache--daemon.c @@ -0,0 +1,319 @@ +#include "builtin.h" +#include "parse-options.h" + +#ifndef NO_UNIX_SOCKETS + +#include "config.h" +#include "tempfile.h" +#include "credential.h" +#include "unix-socket.h" + +struct credential_cache_entry { + struct credential item; + timestamp_t expiration; +}; +static struct credential_cache_entry *entries; +static int entries_nr; +static int entries_alloc; + +static void cache_credential(struct credential *c, int timeout) +{ + struct credential_cache_entry *e; + + ALLOC_GROW(entries, entries_nr + 1, entries_alloc); + e = &entries[entries_nr++]; + + /* take ownership of pointers */ + memcpy(&e->item, c, sizeof(*c)); + memset(c, 0, sizeof(*c)); + e->expiration = time(NULL) + timeout; +} + +static struct credential_cache_entry *lookup_credential(const struct credential *c) +{ + int i; + for (i = 0; i < entries_nr; i++) { + struct credential *e = &entries[i].item; + if (credential_match(c, e)) + return &entries[i]; + } + return NULL; +} + +static void remove_credential(const struct credential *c) +{ + struct credential_cache_entry *e; + + e = lookup_credential(c); + if (e) + e->expiration = 0; +} + +static timestamp_t check_expirations(void) +{ + static timestamp_t wait_for_entry_until; + int i = 0; + timestamp_t now = time(NULL); + timestamp_t next = TIME_MAX; + + /* + * Initially give the client 30 seconds to actually contact us + * and store a credential before we decide there's no point in + * keeping the daemon around. + */ + if (!wait_for_entry_until) + wait_for_entry_until = now + 30; + + while (i < entries_nr) { + if (entries[i].expiration <= now) { + entries_nr--; + credential_clear(&entries[i].item); + if (i != entries_nr) + memcpy(&entries[i], &entries[entries_nr], sizeof(*entries)); + /* + * Stick around 30 seconds in case a new credential + * shows up (e.g., because we just removed a failed + * one, and we will soon get the correct one). + */ + wait_for_entry_until = now + 30; + } + else { + if (entries[i].expiration < next) + next = entries[i].expiration; + i++; + } + } + + if (!entries_nr) { + if (wait_for_entry_until <= now) + return 0; + next = wait_for_entry_until; + } + + return next - now; +} + +static int read_request(FILE *fh, struct credential *c, + struct strbuf *action, int *timeout) +{ + static struct strbuf item = STRBUF_INIT; + const char *p; + + strbuf_getline_lf(&item, fh); + if (!skip_prefix(item.buf, "action=", &p)) + return error("client sent bogus action line: %s", item.buf); + strbuf_addstr(action, p); + + strbuf_getline_lf(&item, fh); + if (!skip_prefix(item.buf, "timeout=", &p)) + return error("client sent bogus timeout line: %s", item.buf); + *timeout = atoi(p); + + if (credential_read(c, fh) < 0) + return -1; + return 0; +} + +static void serve_one_client(FILE *in, FILE *out) +{ + struct credential c = CREDENTIAL_INIT; + struct strbuf action = STRBUF_INIT; + int timeout = -1; + + if (read_request(in, &c, &action, &timeout) < 0) + /* ignore error */ ; + else if (!strcmp(action.buf, "get")) { + struct credential_cache_entry *e = lookup_credential(&c); + if (e) { + fprintf(out, "username=%s\n", e->item.username); + fprintf(out, "password=%s\n", e->item.password); + } + } + else if (!strcmp(action.buf, "exit")) { + /* + * It's important that we clean up our socket first, and then + * signal the client only once we have finished the cleanup. + * Calling exit() directly does this, because we clean up in + * our atexit() handler, and then signal the client when our + * process actually ends, which closes the socket and gives + * them EOF. + */ + exit(0); + } + else if (!strcmp(action.buf, "erase")) + remove_credential(&c); + else if (!strcmp(action.buf, "store")) { + if (timeout < 0) + warning("cache client didn't specify a timeout"); + else if (!c.username || !c.password) + warning("cache client gave us a partial credential"); + else { + remove_credential(&c); + cache_credential(&c, timeout); + } + } + else + warning("cache client sent unknown action: %s", action.buf); + + credential_clear(&c); + strbuf_release(&action); +} + +static int serve_cache_loop(int fd) +{ + struct pollfd pfd; + timestamp_t wakeup; + + wakeup = check_expirations(); + if (!wakeup) + return 0; + + pfd.fd = fd; + pfd.events = POLLIN; + if (poll(&pfd, 1, 1000 * wakeup) < 0) { + if (errno != EINTR) + die_errno("poll failed"); + return 1; + } + + if (pfd.revents & POLLIN) { + int client, client2; + FILE *in, *out; + + client = accept(fd, NULL, NULL); + if (client < 0) { + warning_errno("accept failed"); + return 1; + } + client2 = dup(client); + if (client2 < 0) { + warning_errno("dup failed"); + close(client); + return 1; + } + + in = xfdopen(client, "r"); + out = xfdopen(client2, "w"); + serve_one_client(in, out); + fclose(in); + fclose(out); + } + return 1; +} + +static void serve_cache(const char *socket_path, int debug) +{ + struct unix_stream_listen_opts opts = UNIX_STREAM_LISTEN_OPTS_INIT; + int fd; + + fd = unix_stream_listen(socket_path, &opts); + if (fd < 0) + die_errno("unable to bind to '%s'", socket_path); + + printf("ok\n"); + fclose(stdout); + if (!debug) { + if (!freopen("/dev/null", "w", stderr)) + die_errno("unable to point stderr to /dev/null"); + } + + while (serve_cache_loop(fd)) + ; /* nothing */ + + close(fd); +} + +static const char permissions_advice[] = N_( +"The permissions on your socket directory are too loose; other\n" +"users may be able to read your cached credentials. Consider running:\n" +"\n" +" chmod 0700 %s"); +static void init_socket_directory(const char *path) +{ + struct stat st; + char *path_copy = xstrdup(path); + char *dir = dirname(path_copy); + + if (!stat(dir, &st)) { + if (st.st_mode & 077) + die(_(permissions_advice), dir); + } else { + /* + * We must be sure to create the directory with the correct mode, + * not just chmod it after the fact; otherwise, there is a race + * condition in which somebody can chdir to it, sleep, then try to open + * our protected socket. + */ + if (safe_create_leading_directories_const(dir) < 0) + die_errno("unable to create directories for '%s'", dir); + if (mkdir(dir, 0700) < 0) + die_errno("unable to mkdir '%s'", dir); + } + + if (chdir(dir)) + /* + * We don't actually care what our cwd is; we chdir here just to + * be a friendly daemon and avoid tying up our original cwd. + * If this fails, it's OK to just continue without that benefit. + */ + ; + + free(path_copy); +} + +int cmd_credential_cache_daemon(int argc, const char **argv, const char *prefix) +{ + struct tempfile *socket_file; + const char *socket_path; + int ignore_sighup = 0; + static const char *usage[] = { + "git-credential-cache--daemon [opts] <socket_path>", + NULL + }; + int debug = 0; + const struct option options[] = { + OPT_BOOL(0, "debug", &debug, + N_("print debugging messages to stderr")), + OPT_END() + }; + + git_config_get_bool("credentialcache.ignoresighup", &ignore_sighup); + + argc = parse_options(argc, argv, prefix, options, usage, 0); + socket_path = argv[0]; + + if (!socket_path) + usage_with_options(usage, options); + + if (!is_absolute_path(socket_path)) + die("socket directory must be an absolute path"); + + init_socket_directory(socket_path); + socket_file = register_tempfile(socket_path); + + if (ignore_sighup) + signal(SIGHUP, SIG_IGN); + + serve_cache(socket_path, debug); + delete_tempfile(&socket_file); + + return 0; +} + +#else + +int cmd_credential_cache_daemon(int argc, const char **argv, const char *prefix) +{ + const char * const usage[] = { + "git credential-cache--daemon [options] <action>", + "", + "credential-cache--daemon is disabled in this build of Git", + NULL + }; + struct option options[] = { OPT_END() }; + + argc = parse_options(argc, argv, prefix, options, usage, 0); + die(_("credential-cache--daemon unavailable; no unix socket support")); +} + +#endif /* NO_UNIX_SOCKET */ diff --git a/builtin/credential-cache.c b/builtin/credential-cache.c new file mode 100644 index 0000000000..e8a7415747 --- /dev/null +++ b/builtin/credential-cache.c @@ -0,0 +1,157 @@ +#include "builtin.h" +#include "parse-options.h" + +#ifndef NO_UNIX_SOCKETS + +#include "credential.h" +#include "string-list.h" +#include "unix-socket.h" +#include "run-command.h" + +#define FLAG_SPAWN 0x1 +#define FLAG_RELAY 0x2 + +static int send_request(const char *socket, const struct strbuf *out) +{ + int got_data = 0; + int fd = unix_stream_connect(socket, 0); + + if (fd < 0) + return -1; + + if (write_in_full(fd, out->buf, out->len) < 0) + die_errno("unable to write to cache daemon"); + shutdown(fd, SHUT_WR); + + while (1) { + char in[1024]; + int r; + + r = read_in_full(fd, in, sizeof(in)); + if (r == 0 || (r < 0 && errno == ECONNRESET)) + break; + if (r < 0) + die_errno("read error from cache daemon"); + write_or_die(1, in, r); + got_data = 1; + } + close(fd); + return got_data; +} + +static void spawn_daemon(const char *socket) +{ + struct child_process daemon = CHILD_PROCESS_INIT; + char buf[128]; + int r; + + strvec_pushl(&daemon.args, + "credential-cache--daemon", socket, + NULL); + daemon.git_cmd = 1; + daemon.no_stdin = 1; + daemon.out = -1; + + if (start_command(&daemon)) + die_errno("unable to start cache daemon"); + r = read_in_full(daemon.out, buf, sizeof(buf)); + if (r < 0) + die_errno("unable to read result code from cache daemon"); + if (r != 3 || memcmp(buf, "ok\n", 3)) + die("cache daemon did not start: %.*s", r, buf); + close(daemon.out); +} + +static void do_cache(const char *socket, const char *action, int timeout, + int flags) +{ + struct strbuf buf = STRBUF_INIT; + + strbuf_addf(&buf, "action=%s\n", action); + strbuf_addf(&buf, "timeout=%d\n", timeout); + if (flags & FLAG_RELAY) { + if (strbuf_read(&buf, 0, 0) < 0) + die_errno("unable to relay credential"); + } + + if (send_request(socket, &buf) < 0) { + if (errno != ENOENT && errno != ECONNREFUSED) + die_errno("unable to connect to cache daemon"); + if (flags & FLAG_SPAWN) { + spawn_daemon(socket); + if (send_request(socket, &buf) < 0) + die_errno("unable to connect to cache daemon"); + } + } + strbuf_release(&buf); +} + +static char *get_socket_path(void) +{ + struct stat sb; + char *old_dir, *socket; + old_dir = interpolate_path("~/.git-credential-cache", 0); + if (old_dir && !stat(old_dir, &sb) && S_ISDIR(sb.st_mode)) + socket = xstrfmt("%s/socket", old_dir); + else + socket = xdg_cache_home("credential/socket"); + free(old_dir); + return socket; +} + +int cmd_credential_cache(int argc, const char **argv, const char *prefix) +{ + char *socket_path = NULL; + int timeout = 900; + const char *op; + const char * const usage[] = { + "git credential-cache [<options>] <action>", + NULL + }; + struct option options[] = { + OPT_INTEGER(0, "timeout", &timeout, + "number of seconds to cache credentials"), + OPT_STRING(0, "socket", &socket_path, "path", + "path of cache-daemon socket"), + OPT_END() + }; + + argc = parse_options(argc, argv, prefix, options, usage, 0); + if (!argc) + usage_with_options(usage, options); + op = argv[0]; + + if (!socket_path) + socket_path = get_socket_path(); + if (!socket_path) + die("unable to find a suitable socket path; use --socket"); + + if (!strcmp(op, "exit")) + do_cache(socket_path, op, timeout, 0); + else if (!strcmp(op, "get") || !strcmp(op, "erase")) + do_cache(socket_path, op, timeout, FLAG_RELAY); + else if (!strcmp(op, "store")) + do_cache(socket_path, op, timeout, FLAG_RELAY|FLAG_SPAWN); + else + ; /* ignore unknown operation */ + + return 0; +} + +#else + +int cmd_credential_cache(int argc, const char **argv, const char *prefix) +{ + const char * const usage[] = { + "git credential-cache [options] <action>", + "", + "credential-cache is disabled in this build of Git", + NULL + }; + struct option options[] = { OPT_END() }; + + argc = parse_options(argc, argv, prefix, options, usage, 0); + die(_("credential-cache unavailable; no unix socket support")); +} + +#endif /* NO_UNIX_SOCKETS */ diff --git a/builtin/credential-store.c b/builtin/credential-store.c new file mode 100644 index 0000000000..62a4f3c265 --- /dev/null +++ b/builtin/credential-store.c @@ -0,0 +1,199 @@ +#include "builtin.h" +#include "config.h" +#include "lockfile.h" +#include "credential.h" +#include "string-list.h" +#include "parse-options.h" + +static struct lock_file credential_lock; + +static int parse_credential_file(const char *fn, + struct credential *c, + void (*match_cb)(struct credential *), + void (*other_cb)(struct strbuf *)) +{ + FILE *fh; + struct strbuf line = STRBUF_INIT; + struct credential entry = CREDENTIAL_INIT; + int found_credential = 0; + + fh = fopen(fn, "r"); + if (!fh) { + if (errno != ENOENT && errno != EACCES) + die_errno("unable to open %s", fn); + return found_credential; + } + + while (strbuf_getline_lf(&line, fh) != EOF) { + if (!credential_from_url_gently(&entry, line.buf, 1) && + entry.username && entry.password && + credential_match(c, &entry)) { + found_credential = 1; + if (match_cb) { + match_cb(&entry); + break; + } + } + else if (other_cb) + other_cb(&line); + } + + credential_clear(&entry); + strbuf_release(&line); + fclose(fh); + return found_credential; +} + +static void print_entry(struct credential *c) +{ + printf("username=%s\n", c->username); + printf("password=%s\n", c->password); +} + +static void print_line(struct strbuf *buf) +{ + strbuf_addch(buf, '\n'); + write_or_die(get_lock_file_fd(&credential_lock), buf->buf, buf->len); +} + +static void rewrite_credential_file(const char *fn, struct credential *c, + struct strbuf *extra) +{ + int timeout_ms = 1000; + + git_config_get_int("credentialstore.locktimeoutms", &timeout_ms); + if (hold_lock_file_for_update_timeout(&credential_lock, fn, 0, timeout_ms) < 0) + die_errno(_("unable to get credential storage lock in %d ms"), timeout_ms); + if (extra) + print_line(extra); + parse_credential_file(fn, c, NULL, print_line); + if (commit_lock_file(&credential_lock) < 0) + die_errno("unable to write credential store"); +} + +static void store_credential_file(const char *fn, struct credential *c) +{ + struct strbuf buf = STRBUF_INIT; + + strbuf_addf(&buf, "%s://", c->protocol); + strbuf_addstr_urlencode(&buf, c->username, is_rfc3986_unreserved); + strbuf_addch(&buf, ':'); + strbuf_addstr_urlencode(&buf, c->password, is_rfc3986_unreserved); + strbuf_addch(&buf, '@'); + if (c->host) + strbuf_addstr_urlencode(&buf, c->host, is_rfc3986_unreserved); + if (c->path) { + strbuf_addch(&buf, '/'); + strbuf_addstr_urlencode(&buf, c->path, + is_rfc3986_reserved_or_unreserved); + } + + rewrite_credential_file(fn, c, &buf); + strbuf_release(&buf); +} + +static void store_credential(const struct string_list *fns, struct credential *c) +{ + struct string_list_item *fn; + + /* + * Sanity check that what we are storing is actually sensible. + * In particular, we can't make a URL without a protocol field. + * Without either a host or pathname (depending on the scheme), + * we have no primary key. And without a username and password, + * we are not actually storing a credential. + */ + if (!c->protocol || !(c->host || c->path) || !c->username || !c->password) + return; + + for_each_string_list_item(fn, fns) + if (!access(fn->string, F_OK)) { + store_credential_file(fn->string, c); + return; + } + /* + * Write credential to the filename specified by fns->items[0], thus + * creating it + */ + if (fns->nr) + store_credential_file(fns->items[0].string, c); +} + +static void remove_credential(const struct string_list *fns, struct credential *c) +{ + struct string_list_item *fn; + + /* + * Sanity check that we actually have something to match + * against. The input we get is a restrictive pattern, + * so technically a blank credential means "erase everything". + * But it is too easy to accidentally send this, since it is equivalent + * to empty input. So explicitly disallow it, and require that the + * pattern have some actual content to match. + */ + if (!c->protocol && !c->host && !c->path && !c->username) + return; + for_each_string_list_item(fn, fns) + if (!access(fn->string, F_OK)) + rewrite_credential_file(fn->string, c, NULL); +} + +static void lookup_credential(const struct string_list *fns, struct credential *c) +{ + struct string_list_item *fn; + + for_each_string_list_item(fn, fns) + if (parse_credential_file(fn->string, c, print_entry, NULL)) + return; /* Found credential */ +} + +int cmd_credential_store(int argc, const char **argv, const char *prefix) +{ + const char * const usage[] = { + "git credential-store [<options>] <action>", + NULL + }; + const char *op; + struct credential c = CREDENTIAL_INIT; + struct string_list fns = STRING_LIST_INIT_DUP; + char *file = NULL; + struct option options[] = { + OPT_STRING(0, "file", &file, "path", + "fetch and store credentials in <path>"), + OPT_END() + }; + + umask(077); + + argc = parse_options(argc, (const char **)argv, prefix, options, usage, 0); + if (argc != 1) + usage_with_options(usage, options); + op = argv[0]; + + if (file) { + string_list_append(&fns, file); + } else { + if ((file = interpolate_path("~/.git-credentials", 0))) + string_list_append_nodup(&fns, file); + file = xdg_config_home("credentials"); + if (file) + string_list_append_nodup(&fns, file); + } + if (!fns.nr) + die("unable to set up default path; use --file"); + + if (credential_read(&c, stdin) < 0) + die("unable to read credential"); + + if (!strcmp(op, "get")) + lookup_credential(&fns, &c); + else if (!strcmp(op, "erase")) + remove_credential(&fns, &c); + else if (!strcmp(op, "store")) + store_credential(&fns, &c); + else + ; /* Ignore unknown operation. */ + + string_list_clear(&fns, 0); + return 0; +} diff --git a/builtin/credential.c b/builtin/credential.c index 879acfbcda..d75dcdc64a 100644 --- a/builtin/credential.c +++ b/builtin/credential.c @@ -1,6 +1,7 @@ #include "git-compat-util.h" #include "credential.h" #include "builtin.h" +#include "config.h" static const char usage_msg[] = "git credential [fill|approve|reject]"; @@ -10,6 +11,8 @@ int cmd_credential(int argc, const char **argv, const char *prefix) const char *op; struct credential c = CREDENTIAL_INIT; + git_config(git_default_config, NULL); + if (argc != 2 || !strcmp(argv[1], "-h")) usage(usage_msg); op = argv[1]; diff --git a/builtin/describe.c b/builtin/describe.c index 1409cedce2..e912ba50d7 100644 --- a/builtin/describe.c +++ b/builtin/describe.c @@ -12,10 +12,9 @@ #include "revision.h" #include "diff.h" #include "hashmap.h" -#include "argv-array.h" +#include "strvec.h" #include "run-command.h" #include "object-store.h" -#include "revision.h" #include "list-objects.h" #include "commit-slab.h" @@ -55,6 +54,7 @@ struct commit_name { struct tag *tag; unsigned prio:2; /* annotated tag = 2, tag = 1, head = 0 */ unsigned name_checked:1; + unsigned misnamed:1; struct object_id oid; char *path; }; @@ -64,19 +64,22 @@ static const char *prio_names[] = { }; static int commit_name_neq(const void *unused_cmp_data, - const void *entry, - const void *entry_or_key, + const struct hashmap_entry *eptr, + const struct hashmap_entry *entry_or_key, const void *peeled) { - const struct commit_name *cn1 = entry; - const struct commit_name *cn2 = entry_or_key; + const struct commit_name *cn1, *cn2; + + cn1 = container_of(eptr, const struct commit_name, entry); + cn2 = container_of(entry_or_key, const struct commit_name, entry); return !oideq(&cn1->peeled, peeled ? peeled : &cn2->peeled); } static inline struct commit_name *find_commit_name(const struct object_id *peeled) { - return hashmap_get_from_hash(&names, sha1hash(peeled->hash), peeled->hash); + return hashmap_get_entry_from_hash(&names, oidhash(peeled), peeled, + struct commit_name, entry); } static int replace_name(struct commit_name *e, @@ -123,13 +126,14 @@ static void add_to_known_names(const char *path, if (!e) { e = xmalloc(sizeof(struct commit_name)); oidcpy(&e->peeled, peeled); - hashmap_entry_init(e, sha1hash(peeled->hash)); - hashmap_add(&names, e); + hashmap_entry_init(&e->entry, oidhash(peeled)); + hashmap_add(&names, &e->entry); e->path = NULL; } e->tag = tag; e->prio = prio; e->name_checked = 0; + e->misnamed = 0; oidcpy(&e->oid, oid); free(e->path); e->path = xstrdup(path); @@ -190,7 +194,7 @@ static int get_name(const char *path, const struct object_id *oid, int flag, voi } /* Is it annotated? */ - if (!peel_ref(path, &peeled)) { + if (!peel_iterated_oid(oid, &peeled)) { is_annotated = !oideq(oid, &peeled); } else { oidcpy(&peeled, oid); @@ -273,10 +277,11 @@ static void append_name(struct commit_name *n, struct strbuf *dst) die(_("annotated tag %s not available"), n->path); } if (n->tag && !n->name_checked) { - if (!n->tag->tag) - die(_("annotated tag %s has no embedded name"), n->path); - if (strcmp(n->tag->tag, all ? n->path + 5 : n->path)) - warning(_("tag '%s' is really '%s' here"), n->tag->tag, n->path); + if (strcmp(n->tag->tag, all ? n->path + 5 : n->path)) { + warning(_("tag '%s' is externally known as '%s'"), + n->path, n->tag->tag); + n->misnamed = 1; + } n->name_checked = 1; } @@ -312,8 +317,8 @@ static void describe_commit(struct object_id *oid, struct strbuf *dst) * Exact match to an existing ref. */ append_name(n, dst); - if (longformat) - append_suffix(0, n->tag ? &n->tag->tagged->oid : oid, dst); + if (n->misnamed || longformat) + append_suffix(0, n->tag ? get_tagged_oid(n->tag) : oid, dst); if (suffix) strbuf_addstr(dst, suffix); return; @@ -330,8 +335,8 @@ static void describe_commit(struct object_id *oid, struct strbuf *dst) struct commit_name *n; init_commit_names(&commit_names); - n = hashmap_iter_first(&names, &iter); - for (; n; n = hashmap_iter_next(&iter)) { + hashmap_for_each_entry(&names, &iter, n, + entry /* member name */) { c = lookup_commit_reference_gently(the_repository, &n->peeled, 1); if (c) @@ -374,11 +379,25 @@ static void describe_commit(struct object_id *oid, struct strbuf *dst) if (!(c->object.flags & t->flag_within)) t->depth++; } + /* Stop if last remaining path already covered by best candidate(s) */ if (annotated_cnt && !list) { - if (debug) - fprintf(stderr, _("finished search at %s\n"), - oid_to_hex(&c->object.oid)); - break; + int best_depth = INT_MAX; + unsigned best_within = 0; + for (cur_match = 0; cur_match < match_cnt; cur_match++) { + struct possible_tag *t = &all_matches[cur_match]; + if (t->depth < best_depth) { + best_depth = t->depth; + best_within = t->flag_within; + } else if (t->depth == best_depth) { + best_within |= t->flag_within; + } + } + if ((c->object.flags & best_within) == best_within) { + if (debug) + fprintf(stderr, _("finished search at %s\n"), + oid_to_hex(&c->object.oid)); + break; + } } while (parents) { struct commit *p = parents->item; @@ -447,7 +466,7 @@ static void describe_commit(struct object_id *oid, struct strbuf *dst) } append_name(all_matches[0].name, dst); - if (abbrev) + if (all_matches[0].name->misnamed || abbrev) append_suffix(all_matches[0].depth, &cmit->object.oid, dst); if (suffix) strbuf_addstr(dst, suffix); @@ -482,15 +501,15 @@ static void process_object(struct object *obj, const char *path, void *data) static void describe_blob(struct object_id oid, struct strbuf *dst) { struct rev_info revs; - struct argv_array args = ARGV_ARRAY_INIT; - struct process_commit_data pcd = { null_oid, oid, dst, &revs}; + struct strvec args = STRVEC_INIT; + struct process_commit_data pcd = { *null_oid(), oid, dst, &revs}; - argv_array_pushl(&args, "internal: The first arg is not parsed", - "--objects", "--in-commit-order", "--reverse", "HEAD", - NULL); + strvec_pushl(&args, "internal: The first arg is not parsed", + "--objects", "--in-commit-order", "--reverse", "HEAD", + NULL); repo_init_revisions(the_repository, &revs, NULL); - if (setup_revisions(args.argc, args.argv, &revs, NULL) > 1) + if (setup_revisions(args.nr, args.v, &revs, NULL) > 1) BUG("setup_revisions could not handle all args?"); if (prepare_revision_walk(&revs)) @@ -575,26 +594,26 @@ int cmd_describe(int argc, const char **argv, const char *prefix) if (contains) { struct string_list_item *item; - struct argv_array args; + struct strvec args; - argv_array_init(&args); - argv_array_pushl(&args, "name-rev", - "--peel-tag", "--name-only", "--no-undefined", - NULL); + strvec_init(&args); + strvec_pushl(&args, "name-rev", + "--peel-tag", "--name-only", "--no-undefined", + NULL); if (always) - argv_array_push(&args, "--always"); + strvec_push(&args, "--always"); if (!all) { - argv_array_push(&args, "--tags"); + strvec_push(&args, "--tags"); for_each_string_list_item(item, &patterns) - argv_array_pushf(&args, "--refs=refs/tags/%s", item->string); + strvec_pushf(&args, "--refs=refs/tags/%s", item->string); for_each_string_list_item(item, &exclude_patterns) - argv_array_pushf(&args, "--exclude=refs/tags/%s", item->string); + strvec_pushf(&args, "--exclude=refs/tags/%s", item->string); } if (argc) - argv_array_pushv(&args, argv); + strvec_pushv(&args, argv); else - argv_array_push(&args, "HEAD"); - return cmd_name_rev(args.argc, args.argv, prefix); + strvec_push(&args, "HEAD"); + return cmd_name_rev(args.nr, args.v, prefix); } hashmap_init(&names, commit_name_neq, NULL, 0); @@ -605,7 +624,7 @@ int cmd_describe(int argc, const char **argv, const char *prefix) if (argc == 0) { if (broken) { struct child_process cp = CHILD_PROCESS_INIT; - argv_array_pushv(&cp.args, diff_index_args); + strvec_pushv(&cp.args, diff_index_args); cp.git_cmd = 1; cp.no_stdin = 1; cp.no_stdout = 1; @@ -627,7 +646,7 @@ int cmd_describe(int argc, const char **argv, const char *prefix) } else if (dirty) { struct lock_file index_lock = LOCK_INIT; struct rev_info revs; - struct argv_array args = ARGV_ARRAY_INIT; + struct strvec args = STRVEC_INIT; int fd, result; setup_work_tree(); @@ -639,8 +658,8 @@ int cmd_describe(int argc, const char **argv, const char *prefix) repo_update_index_if_able(the_repository, &index_lock); repo_init_revisions(the_repository, &revs, prefix); - argv_array_pushv(&args, diff_index_args); - if (setup_revisions(args.argc, args.argv, &revs, NULL) != 1) + strvec_pushv(&args, diff_index_args); + if (setup_revisions(args.nr, args.v, &revs, NULL) != 1) BUG("malformed internal diff-index command line"); result = run_diff_index(&revs, 0); diff --git a/builtin/diff-files.c b/builtin/diff-files.c index 86ae474fbf..70103c4095 100644 --- a/builtin/diff-files.c +++ b/builtin/diff-files.c @@ -7,6 +7,7 @@ #include "cache.h" #include "config.h" #include "diff.h" +#include "diff-merges.h" #include "commit.h" #include "revision.h" #include "builtin.h" @@ -28,7 +29,14 @@ int cmd_diff_files(int argc, const char **argv, const char *prefix) git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ repo_init_revisions(the_repository, &rev, prefix); rev.abbrev = 0; - precompose_argv(argc, argv); + + /* + * Consider "intent-to-add" files as new by default, unless + * explicitly specified in the command line or anywhere else. + */ + rev.diffopt.ita_invisible_in_index = 1; + + prefix = precompose_argv_prefix(argc, argv, prefix); argc = setup_revisions(argc, argv, &rev, NULL); while (1 < argc && argv[1][0] == '-') { @@ -46,6 +54,7 @@ int cmd_diff_files(int argc, const char **argv, const char *prefix) } if (!rev.diffopt.output_format) rev.diffopt.output_format = DIFF_FORMAT_RAW; + rev.diffopt.rotate_to_strict = 1; /* * Make sure there are NO revision (i.e. pending object) parameter, @@ -62,9 +71,9 @@ int cmd_diff_files(int argc, const char **argv, const char *prefix) * was not asked to. "diff-files -c -p" should not densify * (the user should ask with "diff-files --cc" explicitly). */ - if (rev.max_count == -1 && !rev.combine_merges && + if (rev.max_count == -1 && (rev.diffopt.output_format & DIFF_FORMAT_PATCH)) - rev.combine_merges = rev.dense_combined_merges = 1; + diff_merges_set_dense_combined_if_unset(&rev); if (read_cache_preload(&rev.diffopt.pathspec) < 0) { perror("read_cache_preload"); diff --git a/builtin/diff-index.c b/builtin/diff-index.c index 93ec642423..cf09559e42 100644 --- a/builtin/diff-index.c +++ b/builtin/diff-index.c @@ -2,6 +2,7 @@ #include "cache.h" #include "config.h" #include "diff.h" +#include "diff-merges.h" #include "commit.h" #include "revision.h" #include "builtin.h" @@ -15,7 +16,7 @@ COMMON_DIFF_OPTIONS_HELP; int cmd_diff_index(int argc, const char **argv, const char *prefix) { struct rev_info rev; - int cached = 0; + unsigned int option = 0; int i; int result; @@ -25,20 +26,32 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix) git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ repo_init_revisions(the_repository, &rev, prefix); rev.abbrev = 0; - precompose_argv(argc, argv); + prefix = precompose_argv_prefix(argc, argv, prefix); + + /* + * We need no diff for merges options, and we need to avoid conflict + * with our own meaning of "-m". + */ + diff_merges_suppress_options_parsing(); argc = setup_revisions(argc, argv, &rev, NULL); for (i = 1; i < argc; i++) { const char *arg = argv[i]; if (!strcmp(arg, "--cached")) - cached = 1; + option |= DIFF_INDEX_CACHED; + else if (!strcmp(arg, "--merge-base")) + option |= DIFF_INDEX_MERGE_BASE; + else if (!strcmp(arg, "-m")) + rev.match_missing = 1; else usage(diff_cache_usage); } if (!rev.diffopt.output_format) rev.diffopt.output_format = DIFF_FORMAT_RAW; + rev.diffopt.rotate_to_strict = 1; + /* * Make sure there is one revision (i.e. pending object), * and there is no revision filtering parameters. @@ -46,7 +59,7 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix) if (rev.pending.nr != 1 || rev.max_count != -1 || rev.min_age != -1 || rev.max_age != -1) usage(diff_cache_usage); - if (!cached) { + if (!(option & DIFF_INDEX_CACHED)) { setup_work_tree(); if (read_cache_preload(&rev.diffopt.pathspec) < 0) { perror("read_cache_preload"); @@ -56,7 +69,7 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix) perror("read_cache"); return -1; } - result = run_diff_index(&rev, cached); + result = run_diff_index(&rev, option); UNLEAK(rev); return diff_result_code(&rev.diffopt, result); } diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c index cb9ea79367..f33d30d57b 100644 --- a/builtin/diff-tree.c +++ b/builtin/diff-tree.c @@ -109,7 +109,9 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) struct object *tree1, *tree2; static struct rev_info *opt = &log_tree_opt; struct setup_revision_opt s_r_opt; + struct userformat_want w; int read_stdin = 0; + int merge_base = 0; if (argc == 2 && !strcmp(argv[1], "-h")) usage(diff_tree_usage); @@ -124,9 +126,17 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) memset(&s_r_opt, 0, sizeof(s_r_opt)); s_r_opt.tweak = diff_tree_tweak_rev; - precompose_argv(argc, argv); + prefix = precompose_argv_prefix(argc, argv, prefix); argc = setup_revisions(argc, argv, opt, &s_r_opt); + memset(&w, 0, sizeof(w)); + userformat_find_requirements(NULL, &w); + + if (!opt->show_notes_given && w.notes) + opt->show_notes = 1; + if (opt->show_notes) + load_display_notes(&opt->notes_opt); + while (--argc > 0) { const char *arg = *++argv; @@ -134,9 +144,20 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) read_stdin = 1; continue; } + if (!strcmp(arg, "--merge-base")) { + merge_base = 1; + continue; + } usage(diff_tree_usage); } + if (read_stdin && merge_base) + die(_("--stdin and --merge-base are mutually exclusive")); + if (merge_base && opt->pending.nr != 2) + die(_("--merge-base only works with two commits")); + + opt->diffopt.rotate_to_strict = 1; + /* * NOTE! We expect "a..b" to expand to "^a b" but it is * perfectly valid for revision range parser to yield "b ^a", @@ -156,7 +177,12 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) case 2: tree1 = opt->pending.objects[0].item; tree2 = opt->pending.objects[1].item; - if (tree2->flags & UNINTERESTING) { + if (merge_base) { + struct object_id oid; + + diff_get_merge_base(opt, &oid); + tree1 = lookup_object(the_repository, &oid); + } else if (tree2->flags & UNINTERESTING) { SWAP(tree2, tree1); } diff_tree_oid(&tree1->oid, &tree2->oid, "", &opt->diffopt); @@ -168,6 +194,7 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) int saved_nrl = 0; int saved_dcctc = 0; + opt->diffopt.rotate_to_strict = 0; if (opt->diffopt.detect_rename) { if (!the_index.cache) repo_read_index(the_repository); diff --git a/builtin/diff.c b/builtin/diff.c index 42ac803091..dd8ce688ba 100644 --- a/builtin/diff.c +++ b/builtin/diff.c @@ -6,24 +6,32 @@ #define USE_THE_INDEX_COMPATIBILITY_MACROS #include "cache.h" #include "config.h" +#include "ewah/ewok.h" #include "lockfile.h" #include "color.h" #include "commit.h" #include "blob.h" #include "tag.h" #include "diff.h" +#include "diff-merges.h" #include "diffcore.h" #include "revision.h" #include "log-tree.h" #include "builtin.h" #include "submodule.h" -#include "sha1-array.h" +#include "oid-array.h" #define DIFF_NO_INDEX_EXPLICIT 1 #define DIFF_NO_INDEX_IMPLICIT 2 static const char builtin_diff_usage[] = -"git diff [<options>] [<commit> [<commit>]] [--] [<path>...]"; +"git diff [<options>] [<commit>] [--] [<path>...]\n" +" or: git diff [<options>] --cached [--merge-base] [<commit>] [--] [<path>...]\n" +" or: git diff [<options>] [--merge-base] <commit> [<commit>...] <commit> [--] [<path>...]\n" +" or: git diff [<options>] <commit>...<commit>] [--] [<path>...]\n" +" or: git diff [<options>] <blob> <blob>]\n" +" or: git diff [<options>] --no-index [--] <path> <path>]\n" +COMMON_DIFF_OPTIONS_HELP; static const char *blob_path(struct object_array_entry *entry) { @@ -90,7 +98,7 @@ static int builtin_diff_b_f(struct rev_info *revs, stuff_change(&revs->diffopt, blob[0]->mode, canon_mode(st.st_mode), - &blob[0]->item->oid, &null_oid, + &blob[0]->item->oid, null_oid(), 1, 0, blob[0]->path ? blob[0]->path : path, path); @@ -127,11 +135,13 @@ static int builtin_diff_blobs(struct rev_info *revs, static int builtin_diff_index(struct rev_info *revs, int argc, const char **argv) { - int cached = 0; + unsigned int option = 0; while (1 < argc) { const char *arg = argv[1]; if (!strcmp(arg, "--cached") || !strcmp(arg, "--staged")) - cached = 1; + option |= DIFF_INDEX_CACHED; + else if (!strcmp(arg, "--merge-base")) + option |= DIFF_INDEX_MERGE_BASE; else usage(builtin_diff_usage); argv++; argc--; @@ -144,7 +154,7 @@ static int builtin_diff_index(struct rev_info *revs, revs->max_count != -1 || revs->min_age != -1 || revs->max_age != -1) usage(builtin_diff_usage); - if (!cached) { + if (!(option & DIFF_INDEX_CACHED)) { setup_work_tree(); if (read_cache_preload(&revs->diffopt.pathspec) < 0) { perror("read_cache_preload"); @@ -154,7 +164,7 @@ static int builtin_diff_index(struct rev_info *revs, perror("read_cache"); return -1; } - return run_diff_index(revs, cached); + return run_diff_index(revs, option); } static int builtin_diff_tree(struct rev_info *revs, @@ -163,19 +173,34 @@ static int builtin_diff_tree(struct rev_info *revs, struct object_array_entry *ent1) { const struct object_id *(oid[2]); - int swap = 0; + struct object_id mb_oid; + int merge_base = 0; - if (argc > 1) - usage(builtin_diff_usage); + while (1 < argc) { + const char *arg = argv[1]; + if (!strcmp(arg, "--merge-base")) + merge_base = 1; + else + usage(builtin_diff_usage); + argv++; argc--; + } - /* - * We saw two trees, ent0 and ent1. If ent1 is uninteresting, - * swap them. - */ - if (ent1->item->flags & UNINTERESTING) - swap = 1; - oid[swap] = &ent0->item->oid; - oid[1 - swap] = &ent1->item->oid; + if (merge_base) { + diff_get_merge_base(revs, &mb_oid); + oid[0] = &mb_oid; + oid[1] = &revs->pending.objects[1].item->oid; + } else { + int swap = 0; + + /* + * We saw two trees, ent0 and ent1. If ent1 is uninteresting, + * swap them. + */ + if (ent1->item->flags & UNINTERESTING) + swap = 1; + oid[swap] = &ent0->item->oid; + oid[1 - swap] = &ent1->item->oid; + } diff_tree_oid(oid[0], oid[1], "", &revs->diffopt); log_tree_diff_flush(revs); return 0; @@ -192,12 +217,11 @@ static int builtin_diff_combined(struct rev_info *revs, if (argc > 1) usage(builtin_diff_usage); - if (!revs->dense_combined_merges && !revs->combine_merges) - revs->dense_combined_merges = revs->combine_merges = 1; + diff_merges_set_dense_combined_if_unset(revs); + for (i = 1; i < ents; i++) oid_array_append(&parents, &ent[i].item->oid); - diff_tree_combined(&ent[0].item->oid, &parents, - revs->dense_combined_merges, revs); + diff_tree_combined(&ent[0].item->oid, &parents, revs); oid_array_clear(&parents); return 0; } @@ -242,9 +266,9 @@ static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv * dense one, --cc can be explicitly asked for, or just rely * on the default). */ - if (revs->max_count == -1 && !revs->combine_merges && + if (revs->max_count == -1 && (revs->diffopt.output_format & DIFF_FORMAT_PATCH)) - revs->combine_merges = revs->dense_combined_merges = 1; + diff_merges_set_dense_combined_if_unset(revs); setup_work_tree(); if (read_cache_preload(&revs->diffopt.pathspec) < 0) { @@ -254,6 +278,108 @@ static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv return run_diff_files(revs, options); } +struct symdiff { + struct bitmap *skip; + int warn; + const char *base, *left, *right; +}; + +/* + * Check for symmetric-difference arguments, and if present, arrange + * everything we need to know to handle them correctly. As a bonus, + * weed out all bogus range-based revision specifications, e.g., + * "git diff A..B C..D" or "git diff A..B C" get rejected. + * + * For an actual symmetric diff, *symdiff is set this way: + * + * - its skip is non-NULL and marks *all* rev->pending.objects[i] + * indices that the caller should ignore (extra merge bases, of + * which there might be many, and A in A...B). Note that the + * chosen merge base and right side are NOT marked. + * - warn is set if there are multiple merge bases. + * - base, left, and right point to the names to use in a + * warning about multiple merge bases. + * + * If there is no symmetric diff argument, sym->skip is NULL and + * sym->warn is cleared. The remaining fields are not set. + */ +static void symdiff_prepare(struct rev_info *rev, struct symdiff *sym) +{ + int i, is_symdiff = 0, basecount = 0, othercount = 0; + int lpos = -1, rpos = -1, basepos = -1; + struct bitmap *map = NULL; + + /* + * Use the whence fields to find merge bases and left and + * right parts of symmetric difference, so that we do not + * depend on the order that revisions are parsed. If there + * are any revs that aren't from these sources, we have a + * "git diff C A...B" or "git diff A...B C" case. Or we + * could even get "git diff A...B C...E", for instance. + * + * If we don't have just one merge base, we pick one + * at random. + * + * NB: REV_CMD_LEFT, REV_CMD_RIGHT are also used for A..B, + * so we must check for SYMMETRIC_LEFT too. The two arrays + * rev->pending.objects and rev->cmdline.rev are parallel. + */ + for (i = 0; i < rev->cmdline.nr; i++) { + struct object *obj = rev->pending.objects[i].item; + switch (rev->cmdline.rev[i].whence) { + case REV_CMD_MERGE_BASE: + if (basepos < 0) + basepos = i; + basecount++; + break; /* do mark all bases */ + case REV_CMD_LEFT: + if (lpos >= 0) + usage(builtin_diff_usage); + lpos = i; + if (obj->flags & SYMMETRIC_LEFT) { + is_symdiff = 1; + break; /* do mark A */ + } + continue; + case REV_CMD_RIGHT: + if (rpos >= 0) + usage(builtin_diff_usage); + rpos = i; + continue; /* don't mark B */ + case REV_CMD_PARENTS_ONLY: + case REV_CMD_REF: + case REV_CMD_REV: + othercount++; + continue; + } + if (map == NULL) + map = bitmap_new(); + bitmap_set(map, i); + } + + /* + * Forbid any additional revs for both A...B and A..B. + */ + if (lpos >= 0 && othercount > 0) + usage(builtin_diff_usage); + + if (!is_symdiff) { + bitmap_free(map); + sym->warn = 0; + sym->skip = NULL; + return; + } + + sym->left = rev->pending.objects[lpos].name; + sym->right = rev->pending.objects[rpos].name; + if (basecount == 0) + die(_("%s...%s: no merge base"), sym->left, sym->right); + sym->base = rev->pending.objects[basepos].name; + bitmap_unset(map, basepos); /* unmark the base we want */ + sym->warn = basecount > 1; + sym->skip = map; +} + int cmd_diff(int argc, const char **argv, const char *prefix) { int i; @@ -263,19 +389,29 @@ int cmd_diff(int argc, const char **argv, const char *prefix) struct object_array_entry *blob[2]; int nongit = 0, no_index = 0; int result = 0; + struct symdiff sdiff; /* * We could get N tree-ish in the rev.pending_objects list. - * Also there could be M blobs there, and P pathspecs. + * Also there could be M blobs there, and P pathspecs. --cached may + * also be present. * * N=0, M=0: - * cache vs files (diff-files) + * cache vs files (diff-files) + * + * N=0, M=0, --cached: + * HEAD vs cache (diff-index --cached) + * * N=0, M=2: * compare two random blobs. P must be zero. + * * N=0, M=1, P=1: - * compare a blob with a working tree file. + * compare a blob with a working tree file. * * N=1, M=0: + * tree vs files (diff-index) + * + * N=1, M=0, --cached: * tree vs cache (diff-index --cached) * * N=2, M=0: @@ -317,7 +453,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix) init_diff_ui_defaults(); git_config(git_diff_ui_config, NULL); - precompose_argv(argc, argv); + prefix = precompose_argv_prefix(argc, argv, prefix); repo_init_revisions(the_repository, &rev, prefix); @@ -355,6 +491,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix) } rev.diffopt.flags.recursive = 1; + rev.diffopt.rotate_to_strict = 1; setup_diff_pager(&rev.diffopt); @@ -382,6 +519,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix) } } + symdiff_prepare(&rev, &sdiff); for (i = 0; i < rev.pending.nr; i++) { struct object_array_entry *entry = &rev.pending.objects[i]; struct object *obj = entry->item; @@ -396,6 +534,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix) obj = &get_commit_tree(((struct commit *)obj))->object; if (obj->type == OBJ_TREE) { + if (sdiff.skip && bitmap_get(sdiff.skip, i)) + continue; obj->flags |= flags; add_object_array(obj, name, &ent); } else if (obj->type == OBJ_BLOB) { @@ -437,21 +577,12 @@ int cmd_diff(int argc, const char **argv, const char *prefix) usage(builtin_diff_usage); else if (ent.nr == 1) result = builtin_diff_index(&rev, argc, argv); - else if (ent.nr == 2) + else if (ent.nr == 2) { + if (sdiff.warn) + warning(_("%s...%s: multiple merge bases, using %s"), + sdiff.left, sdiff.right, sdiff.base); result = builtin_diff_tree(&rev, argc, argv, &ent.objects[0], &ent.objects[1]); - else if (ent.objects[0].item->flags & UNINTERESTING) { - /* - * diff A...B where there is at least one merge base - * between A and B. We have ent.objects[0] == - * merge-base, ent.objects[ents-2] == A, and - * ent.objects[ents-1] == B. Show diff between the - * base and B. Note that we pick one merge base at - * random if there are more than one. - */ - result = builtin_diff_tree(&rev, argc, argv, - &ent.objects[0], - &ent.objects[ent.nr-1]); } else result = builtin_diff_combined(&rev, argc, argv, ent.objects, ent.nr); diff --git a/builtin/difftool.c b/builtin/difftool.c index 16eb8b70ea..6a9242a803 100644 --- a/builtin/difftool.c +++ b/builtin/difftool.c @@ -18,11 +18,12 @@ #include "run-command.h" #include "exec-cmd.h" #include "parse-options.h" -#include "argv-array.h" +#include "strvec.h" #include "strbuf.h" #include "lockfile.h" #include "object-store.h" #include "dir.h" +#include "entry.h" static int trust_exit_code; @@ -125,12 +126,15 @@ struct working_tree_entry { }; static int working_tree_entry_cmp(const void *unused_cmp_data, - const void *entry, - const void *entry_or_key, + const struct hashmap_entry *eptr, + const struct hashmap_entry *entry_or_key, const void *unused_keydata) { - const struct working_tree_entry *a = entry; - const struct working_tree_entry *b = entry_or_key; + const struct working_tree_entry *a, *b; + + a = container_of(eptr, const struct working_tree_entry, entry); + b = container_of(entry_or_key, const struct working_tree_entry, entry); + return strcmp(a->path, b->path); } @@ -145,12 +149,14 @@ struct pair_entry { }; static int pair_cmp(const void *unused_cmp_data, - const void *entry, - const void *entry_or_key, + const struct hashmap_entry *eptr, + const struct hashmap_entry *entry_or_key, const void *unused_keydata) { - const struct pair_entry *a = entry; - const struct pair_entry *b = entry_or_key; + const struct pair_entry *a, *b; + + a = container_of(eptr, const struct pair_entry, entry); + b = container_of(entry_or_key, const struct pair_entry, entry); return strcmp(a->path, b->path); } @@ -161,14 +167,14 @@ static void add_left_or_right(struct hashmap *map, const char *path, struct pair_entry *e, *existing; FLEX_ALLOC_STR(e, path, path); - hashmap_entry_init(e, strhash(path)); - existing = hashmap_get(map, e, NULL); + hashmap_entry_init(&e->entry, strhash(path)); + existing = hashmap_get_entry(map, e, entry, NULL); if (existing) { free(e); e = existing; } else { e->left[0] = e->right[0] = '\0'; - hashmap_add(map, e); + hashmap_add(map, &e->entry); } strlcpy(is_right ? e->right : e->left, content, PATH_MAX); } @@ -179,12 +185,14 @@ struct path_entry { }; static int path_entry_cmp(const void *unused_cmp_data, - const void *entry, - const void *entry_or_key, + const struct hashmap_entry *eptr, + const struct hashmap_entry *entry_or_key, const void *key) { - const struct path_entry *a = entry; - const struct path_entry *b = entry_or_key; + const struct path_entry *a, *b; + + a = container_of(eptr, const struct path_entry, entry); + b = container_of(entry_or_key, const struct path_entry, entry); return strcmp(a->path, key ? key : b->path); } @@ -203,10 +211,10 @@ static void changed_files(struct hashmap *result, const char *index_path, strbuf_addf(&index_env, "GIT_INDEX_FILE=%s", index_path); env[0] = index_env.buf; - argv_array_pushl(&update_index.args, - "--git-dir", git_dir, "--work-tree", workdir, - "update-index", "--really-refresh", "-q", - "--unmerged", NULL); + strvec_pushl(&update_index.args, + "--git-dir", git_dir, "--work-tree", workdir, + "update-index", "--really-refresh", "-q", + "--unmerged", NULL); update_index.no_stdin = 1; update_index.no_stdout = 1; update_index.no_stderr = 1; @@ -218,9 +226,9 @@ static void changed_files(struct hashmap *result, const char *index_path, /* Ignore any errors of update-index */ run_command(&update_index); - argv_array_pushl(&diff_files.args, - "--git-dir", git_dir, "--work-tree", workdir, - "diff-files", "--name-only", "-z", NULL); + strvec_pushl(&diff_files.args, + "--git-dir", git_dir, "--work-tree", workdir, + "diff-files", "--name-only", "-z", NULL); diff_files.no_stdin = 1; diff_files.git_cmd = 1; diff_files.use_shell = 0; @@ -234,8 +242,8 @@ static void changed_files(struct hashmap *result, const char *index_path, while (!strbuf_getline_nul(&buf, fp)) { struct path_entry *entry; FLEX_ALLOC_STR(entry, path, buf.buf); - hashmap_entry_init(entry, strhash(buf.buf)); - hashmap_add(result, entry); + hashmap_entry_init(&entry->entry, strhash(buf.buf)); + hashmap_add(result, &entry->entry); } fclose(fp); if (finish_command(&diff_files)) @@ -315,7 +323,7 @@ static int checkout_path(unsigned mode, struct object_id *oid, struct cache_entry *ce; int ret; - ce = make_transient_cache_entry(mode, oid, path, 0); + ce = make_transient_cache_entry(mode, oid, path, 0, NULL); ret = checkout_entry(ce, state, NULL, NULL); discard_cache_entry(ce); @@ -335,7 +343,10 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, const char *workdir, *tmp; int ret = 0, i; FILE *fp; - struct hashmap working_tree_dups, submodules, symlinks2; + struct hashmap working_tree_dups = HASHMAP_INIT(working_tree_entry_cmp, + NULL); + struct hashmap submodules = HASHMAP_INIT(pair_cmp, NULL); + struct hashmap symlinks2 = HASHMAP_INIT(pair_cmp, NULL); struct hashmap_iter iter; struct pair_entry *entry; struct index_state wtindex; @@ -376,20 +387,16 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, rdir_len = rdir.len; wtdir_len = wtdir.len; - hashmap_init(&working_tree_dups, working_tree_entry_cmp, NULL, 0); - hashmap_init(&submodules, pair_cmp, NULL, 0); - hashmap_init(&symlinks2, pair_cmp, NULL, 0); - child.no_stdin = 1; child.git_cmd = 1; child.use_shell = 0; child.clean_on_exit = 1; child.dir = prefix; child.out = -1; - argv_array_pushl(&child.args, "diff", "--raw", "--no-abbrev", "-z", - NULL); + strvec_pushl(&child.args, "diff", "--raw", "--no-abbrev", "-z", + NULL); for (i = 0; i < argc; i++) - argv_array_push(&child.args, argv[i]); + strvec_push(&child.args, argv[i]); if (start_command(&child)) die("could not obtain raw diff"); fp = xfdopen(child.out, "r"); @@ -461,12 +468,13 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, /* Avoid duplicate working_tree entries */ FLEX_ALLOC_STR(entry, path, dst_path); - hashmap_entry_init(entry, strhash(dst_path)); - if (hashmap_get(&working_tree_dups, entry, NULL)) { + hashmap_entry_init(&entry->entry, strhash(dst_path)); + if (hashmap_get(&working_tree_dups, &entry->entry, + NULL)) { free(entry); continue; } - hashmap_add(&working_tree_dups, entry); + hashmap_add(&working_tree_dups, &entry->entry); if (!use_wt_file(workdir, dst_path, &roid)) { if (checkout_path(rmode, &roid, dst_path, @@ -530,8 +538,8 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, * temporary file to both the left and right directories to show the * change in the recorded SHA1 for the submodule. */ - hashmap_iter_init(&submodules, &iter); - while ((entry = hashmap_iter_next(&iter))) { + hashmap_for_each_entry(&submodules, &iter, entry, + entry /* member name */) { if (*entry->left) { add_path(&ldir, ldir_len, entry->path); ensure_leading_directories(ldir.buf); @@ -549,8 +557,8 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, * shows only the link itself, not the contents of the link target. * This loop replicates that behavior. */ - hashmap_iter_init(&symlinks2, &iter); - while ((entry = hashmap_iter_next(&iter))) { + hashmap_for_each_entry(&symlinks2, &iter, entry, + entry /* member name */) { if (*entry->left) { add_path(&ldir, ldir_len, entry->path); ensure_leading_directories(ldir.buf); @@ -577,6 +585,9 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, setenv("GIT_DIFFTOOL_DIRDIFF", "true", 1); rc = run_command_v_opt(helper_argv, flags); + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(&wtindex); + /* * If the diff includes working copy files and those * files were modified during the diff, then the changes @@ -659,12 +670,12 @@ finish: static int run_file_diff(int prompt, const char *prefix, int argc, const char **argv) { - struct argv_array args = ARGV_ARRAY_INIT; + struct strvec args = STRVEC_INIT; const char *env[] = { "GIT_PAGER=", "GIT_EXTERNAL_DIFF=git-difftool--helper", NULL, NULL }; - int ret = 0, i; + int i; if (prompt > 0) env[2] = "GIT_DIFFTOOL_PROMPT=true"; @@ -672,11 +683,10 @@ static int run_file_diff(int prompt, const char *prefix, env[2] = "GIT_DIFFTOOL_NO_PROMPT=true"; - argv_array_push(&args, "diff"); + strvec_push(&args, "diff"); for (i = 0; i < argc; i++) - argv_array_push(&args, argv[i]); - ret = run_command_v_opt_cd_env(args.argv, RUN_GIT_CMD, prefix, env); - exit(ret); + strvec_push(&args, argv[i]); + return run_command_v_opt_cd_env(args.v, RUN_GIT_CMD, prefix, env); } int cmd_difftool(int argc, const char **argv, const char *prefix) diff --git a/builtin/env--helper.c b/builtin/env--helper.c new file mode 100644 index 0000000000..27349098b0 --- /dev/null +++ b/builtin/env--helper.c @@ -0,0 +1,100 @@ +#include "builtin.h" +#include "config.h" +#include "parse-options.h" + +static char const * const env__helper_usage[] = { + N_("git env--helper --type=[bool|ulong] <options> <env-var>"), + NULL +}; + +enum cmdmode { + ENV_HELPER_TYPE_BOOL = 1, + ENV_HELPER_TYPE_ULONG +}; + +static int option_parse_type(const struct option *opt, const char *arg, + int unset) +{ + enum cmdmode *cmdmode = opt->value; + + BUG_ON_OPT_NEG(unset); + + if (!strcmp(arg, "bool")) + *cmdmode = ENV_HELPER_TYPE_BOOL; + else if (!strcmp(arg, "ulong")) + *cmdmode = ENV_HELPER_TYPE_ULONG; + else + die(_("unrecognized --type argument, %s"), arg); + + return 0; +} + +int cmd_env__helper(int argc, const char **argv, const char *prefix) +{ + int exit_code = 0; + const char *env_variable = NULL; + const char *env_default = NULL; + int ret; + int ret_int, default_int; + unsigned long ret_ulong, default_ulong; + enum cmdmode cmdmode = 0; + struct option opts[] = { + OPT_CALLBACK_F(0, "type", &cmdmode, N_("type"), + N_("value is given this type"), PARSE_OPT_NONEG, + option_parse_type), + OPT_STRING(0, "default", &env_default, N_("value"), + N_("default for git_env_*(...) to fall back on")), + OPT_BOOL(0, "exit-code", &exit_code, + N_("be quiet only use git_env_*() value as exit code")), + OPT_END(), + }; + + argc = parse_options(argc, argv, prefix, opts, env__helper_usage, + PARSE_OPT_KEEP_UNKNOWN); + if (env_default && !*env_default) + usage_with_options(env__helper_usage, opts); + if (!cmdmode) + usage_with_options(env__helper_usage, opts); + if (argc != 1) + usage_with_options(env__helper_usage, opts); + env_variable = argv[0]; + + switch (cmdmode) { + case ENV_HELPER_TYPE_BOOL: + if (env_default) { + default_int = git_parse_maybe_bool(env_default); + if (default_int == -1) { + error(_("option `--default' expects a boolean value with `--type=bool`, not `%s`"), + env_default); + usage_with_options(env__helper_usage, opts); + } + } else { + default_int = 0; + } + ret_int = git_env_bool(env_variable, default_int); + if (!exit_code) + puts(ret_int ? "true" : "false"); + ret = ret_int; + break; + case ENV_HELPER_TYPE_ULONG: + if (env_default) { + if (!git_parse_ulong(env_default, &default_ulong)) { + error(_("option `--default' expects an unsigned long value with `--type=ulong`, not `%s`"), + env_default); + usage_with_options(env__helper_usage, opts); + } + } else { + default_ulong = 0; + } + ret_ulong = git_env_ulong(env_variable, default_ulong); + if (!exit_code) + printf("%lu\n", ret_ulong); + ret = ret_ulong; + break; + default: + BUG("unknown <type> value"); + break; + } + + return !ret; +} diff --git a/builtin/fast-export.c b/builtin/fast-export.c index 9e283482ef..3c20f164f0 100644 --- a/builtin/fast-export.c +++ b/builtin/fast-export.c @@ -33,16 +33,19 @@ static const char *fast_export_usage[] = { static int progress; static enum { SIGNED_TAG_ABORT, VERBATIM, WARN, WARN_STRIP, STRIP } signed_tag_mode = SIGNED_TAG_ABORT; static enum { TAG_FILTERING_ABORT, DROP, REWRITE } tag_of_filtered_mode = TAG_FILTERING_ABORT; +static enum { REENCODE_ABORT, REENCODE_YES, REENCODE_NO } reencode_mode = REENCODE_ABORT; static int fake_missing_tagger; static int use_done_feature; static int no_data; static int full_tree; static int reference_excluded_commits; static int show_original_ids; +static int mark_tags; static struct string_list extra_refs = STRING_LIST_INIT_NODUP; static struct string_list tag_refs = STRING_LIST_INIT_NODUP; static struct refspec refspecs = REFSPEC_INIT_FETCH; static int anonymize; +static struct hashmap anonymized_seeds; static struct revision_sources revision_sources; static int parse_opt_signed_tag_mode(const struct option *opt, @@ -77,6 +80,31 @@ static int parse_opt_tag_of_filtered_mode(const struct option *opt, return 0; } +static int parse_opt_reencode_mode(const struct option *opt, + const char *arg, int unset) +{ + if (unset) { + reencode_mode = REENCODE_ABORT; + return 0; + } + + switch (git_parse_maybe_bool(arg)) { + case 0: + reencode_mode = REENCODE_NO; + break; + case 1: + reencode_mode = REENCODE_YES; + break; + default: + if (!strcasecmp(arg, "abort")) + reencode_mode = REENCODE_ABORT; + else + return error("Unknown reencoding mode: %s", arg); + } + + return 0; +} + static struct decoration idnums; static uint32_t last_idnum; @@ -93,19 +121,33 @@ static int has_unshown_parent(struct commit *commit) struct anonymized_entry { struct hashmap_entry hash; + const char *anon; + const char orig[FLEX_ARRAY]; +}; + +struct anonymized_entry_key { + struct hashmap_entry hash; const char *orig; size_t orig_len; - const char *anon; - size_t anon_len; }; static int anonymized_entry_cmp(const void *unused_cmp_data, - const void *va, const void *vb, - const void *unused_keydata) + const struct hashmap_entry *eptr, + const struct hashmap_entry *entry_or_key, + const void *keydata) { - const struct anonymized_entry *a = va, *b = vb; - return a->orig_len != b->orig_len || - memcmp(a->orig, b->orig, a->orig_len); + const struct anonymized_entry *a, *b; + + a = container_of(eptr, const struct anonymized_entry, hash); + if (keydata) { + const struct anonymized_entry_key *key = keydata; + int equal = !strncmp(a->orig, key->orig, key->orig_len) && + !a->orig[key->orig_len]; + return !equal; + } + + b = container_of(entry_or_key, const struct anonymized_entry, hash); + return strcmp(a->orig, b->orig); } /* @@ -113,31 +155,39 @@ static int anonymized_entry_cmp(const void *unused_cmp_data, * the same anonymized string with another. The actual generation * is farmed out to the generate function. */ -static const void *anonymize_mem(struct hashmap *map, - void *(*generate)(const void *, size_t *), - const void *orig, size_t *len) +static const char *anonymize_str(struct hashmap *map, + char *(*generate)(void *), + const char *orig, size_t len, + void *data) { - struct anonymized_entry key, *ret; + struct anonymized_entry_key key; + struct anonymized_entry *ret; if (!map->cmpfn) hashmap_init(map, anonymized_entry_cmp, NULL, 0); - hashmap_entry_init(&key, memhash(orig, *len)); + hashmap_entry_init(&key.hash, memhash(orig, len)); key.orig = orig; - key.orig_len = *len; - ret = hashmap_get(map, &key, NULL); + key.orig_len = len; + + /* First check if it's a token the user configured manually... */ + if (anonymized_seeds.cmpfn) + ret = hashmap_get_entry(&anonymized_seeds, &key, hash, &key); + else + ret = NULL; + + /* ...otherwise check if we've already seen it in this context... */ + if (!ret) + ret = hashmap_get_entry(map, &key, hash, &key); + /* ...and finally generate a new mapping if necessary */ if (!ret) { - ret = xmalloc(sizeof(*ret)); + FLEX_ALLOC_MEM(ret, orig, orig, len); hashmap_entry_init(&ret->hash, key.hash.hash); - ret->orig = xstrdup(orig); - ret->orig_len = *len; - ret->anon = generate(orig, len); - ret->anon_len = *len; - hashmap_put(map, ret); + ret->anon = generate(data); + hashmap_put(map, &ret->hash); } - *len = ret->anon_len; return ret->anon; } @@ -149,13 +199,13 @@ static const void *anonymize_mem(struct hashmap *map, */ static void anonymize_path(struct strbuf *out, const char *path, struct hashmap *map, - void *(*generate)(const void *, size_t *)) + char *(*generate)(void *)) { while (*path) { const char *end_of_component = strchrnul(path, '/'); size_t len = end_of_component - path; - const char *c = anonymize_mem(map, generate, path, &len); - strbuf_add(out, c, len); + const char *c = anonymize_str(map, generate, path, len, NULL); + strbuf_addstr(out, c); path = end_of_component; if (*path) strbuf_addch(out, *path++); @@ -249,7 +299,7 @@ static void export_blob(const struct object_id *oid) if (is_null_oid(oid)) return; - object = lookup_object(the_repository, oid->hash); + object = lookup_object(the_repository, oid); if (object && object->flags & SHOWN) return; @@ -261,7 +311,8 @@ static void export_blob(const struct object_id *oid) buf = read_object_file(oid, &type, &size); if (!buf) die("could not read blob %s", oid_to_hex(oid)); - if (check_object_signature(oid, buf, size, type_name(type)) < 0) + if (check_object_signature(the_repository, oid, buf, size, + type_name(type)) < 0) die("oid mismatch in blob %s", oid_to_hex(oid)); object = parse_object_buffer(the_repository, oid, type, size, buf, &eaten); @@ -328,12 +379,12 @@ static void print_path_1(const char *path) printf("%s", path); } -static void *anonymize_path_component(const void *path, size_t *len) +static char *anonymize_path_component(void *data) { static int counter; struct strbuf out = STRBUF_INIT; strbuf_addf(&out, "path%d", counter++); - return strbuf_detach(&out, len); + return strbuf_detach(&out, NULL); } static void print_path(const char *path) @@ -350,20 +401,23 @@ static void print_path(const char *path) } } -static void *generate_fake_oid(const void *old, size_t *len) +static char *generate_fake_oid(void *data) { static uint32_t counter = 1; /* avoid null oid */ const unsigned hashsz = the_hash_algo->rawsz; - unsigned char *out = xcalloc(hashsz, 1); - put_be32(out + hashsz - 4, counter++); - return out; + struct object_id oid; + char *hex = xmallocz(GIT_MAX_HEXSZ); + + oidclr(&oid); + put_be32(oid.hash + hashsz - 4, counter++); + return oid_to_hex_r(hex, &oid); } -static const struct object_id *anonymize_oid(const struct object_id *oid) +static const char *anonymize_oid(const char *oid_hex) { static struct hashmap objs; - size_t len = the_hash_algo->rawsz; - return anonymize_mem(&objs, generate_fake_oid, oid, &len); + size_t len = strlen(oid_hex); + return anonymize_str(&objs, generate_fake_oid, oid_hex, len, NULL); } static void show_filemodify(struct diff_queue_struct *q, @@ -422,12 +476,12 @@ static void show_filemodify(struct diff_queue_struct *q, */ if (no_data || S_ISGITLINK(spec->mode)) printf("M %06o %s ", spec->mode, - oid_to_hex(anonymize ? - anonymize_oid(&spec->oid) : - &spec->oid)); + anonymize ? + anonymize_oid(oid_to_hex(&spec->oid)) : + oid_to_hex(&spec->oid)); else { struct object *object = lookup_object(the_repository, - spec->oid.hash); + &spec->oid); printf("M %06o :%d ", spec->mode, get_object_mark(object)); } @@ -453,19 +507,19 @@ static const char *find_encoding(const char *begin, const char *end) bol = memmem(begin, end ? end - begin : strlen(begin), needle, strlen(needle)); if (!bol) - return git_commit_encoding; + return NULL; bol += strlen(needle); eol = strchrnul(bol, '\n'); *eol = '\0'; return bol; } -static void *anonymize_ref_component(const void *old, size_t *len) +static char *anonymize_ref_component(void *data) { static int counter; struct strbuf out = STRBUF_INIT; strbuf_addf(&out, "ref%d", counter++); - return strbuf_detach(&out, len); + return strbuf_detach(&out, NULL); } static const char *anonymize_refname(const char *refname) @@ -484,13 +538,6 @@ static const char *anonymize_refname(const char *refname) static struct strbuf anon = STRBUF_INIT; int i; - /* - * We also leave "master" as a special case, since it does not reveal - * anything interesting. - */ - if (!strcmp(refname, "refs/heads/master")) - return refname; - strbuf_reset(&anon); for (i = 0; i < ARRAY_SIZE(prefixes); i++) { if (skip_prefix(refname, prefixes[i], &refname)) { @@ -513,14 +560,13 @@ static char *anonymize_commit_message(const char *old) return xstrfmt("subject %d\n\nbody\n", counter++); } -static struct hashmap idents; -static void *anonymize_ident(const void *old, size_t *len) +static char *anonymize_ident(void *data) { static int counter; struct strbuf out = STRBUF_INIT; strbuf_addf(&out, "User %d <user%d@example.com>", counter, counter); counter++; - return strbuf_detach(&out, len); + return strbuf_detach(&out, NULL); } /* @@ -530,6 +576,7 @@ static void *anonymize_ident(const void *old, size_t *len) */ static void anonymize_ident_line(const char **beg, const char **end) { + static struct hashmap idents; static struct strbuf buffers[] = { STRBUF_INIT, STRBUF_INIT }; static unsigned which_buffer; @@ -555,9 +602,9 @@ static void anonymize_ident_line(const char **beg, const char **end) size_t len; len = split.mail_end - split.name_begin; - ident = anonymize_mem(&idents, anonymize_ident, - split.name_begin, &len); - strbuf_add(out, ident, len); + ident = anonymize_str(&idents, anonymize_ident, + split.name_begin, len, NULL); + strbuf_addstr(out, ident); strbuf_addch(out, ' '); strbuf_add(out, split.date_begin, split.tz_end - split.date_begin); } else { @@ -633,18 +680,32 @@ static void handle_commit(struct commit *commit, struct rev_info *rev, } mark_next_object(&commit->object); - if (anonymize) + if (anonymize) { reencoded = anonymize_commit_message(message); - else if (!is_encoding_utf8(encoding)) - reencoded = reencode_string(message, "UTF-8", encoding); + } else if (encoding) { + switch(reencode_mode) { + case REENCODE_YES: + reencoded = reencode_string(message, "UTF-8", encoding); + break; + case REENCODE_NO: + break; + case REENCODE_ABORT: + die("Encountered commit-specific encoding %s in commit " + "%s; use --reencode=[yes|no] to handle it", + encoding, oid_to_hex(&commit->object.oid)); + } + } if (!commit->parents) printf("reset %s\n", refname); printf("commit %s\nmark :%"PRIu32"\n", refname, last_idnum); if (show_original_ids) printf("original-oid %s\n", oid_to_hex(&commit->object.oid)); - printf("%.*s\n%.*s\ndata %u\n%s", + printf("%.*s\n%.*s\n", (int)(author_end - author), author, - (int)(committer_end - committer), committer, + (int)(committer_end - committer), committer); + if (!reencoded && encoding) + printf("encoding %s\n", encoding); + printf("data %u\n%s", (unsigned)(reencoded ? strlen(reencoded) : message ? strlen(message) : 0), @@ -665,9 +726,10 @@ static void handle_commit(struct commit *commit, struct rev_info *rev, if (mark) printf(":%d\n", mark); else - printf("%s\n", oid_to_hex(anonymize ? - anonymize_oid(&obj->oid) : - &obj->oid)); + printf("%s\n", + anonymize ? + anonymize_oid(oid_to_hex(&obj->oid)) : + oid_to_hex(&obj->oid)); i++; } @@ -682,12 +744,12 @@ static void handle_commit(struct commit *commit, struct rev_info *rev, show_progress(); } -static void *anonymize_tag(const void *old, size_t *len) +static char *anonymize_tag(void *data) { static int counter; struct strbuf out = STRBUF_INIT; strbuf_addf(&out, "tag message %d", counter++); - return strbuf_detach(&out, len); + return strbuf_detach(&out, NULL); } static void handle_tail(struct object_array *commits, struct rev_info *revs, @@ -757,8 +819,8 @@ static void handle_tag(const char *name, struct tag *tag) name = anonymize_refname(name); if (message) { static struct hashmap tags; - message = anonymize_mem(&tags, anonymize_tag, - message, &message_size); + message = anonymize_str(&tags, anonymize_tag, + message, message_size, NULL); } } @@ -802,25 +864,39 @@ static void handle_tag(const char *name, struct tag *tag) free(buf); return; case REWRITE: - if (tagged->type != OBJ_COMMIT) { - die("tag %s tags unexported %s!", - oid_to_hex(&tag->object.oid), - type_name(tagged->type)); - } - p = rewrite_commit((struct commit *)tagged); - if (!p) { - printf("reset %s\nfrom %s\n\n", - name, oid_to_hex(&null_oid)); - free(buf); - return; + if (tagged->type == OBJ_TAG && !mark_tags) { + die(_("Error: Cannot export nested tags unless --mark-tags is specified.")); + } else if (tagged->type == OBJ_COMMIT) { + p = rewrite_commit((struct commit *)tagged); + if (!p) { + printf("reset %s\nfrom %s\n\n", + name, oid_to_hex(null_oid())); + free(buf); + return; + } + tagged_mark = get_object_mark(&p->object); + } else { + /* tagged->type is either OBJ_BLOB or OBJ_TAG */ + tagged_mark = get_object_mark(tagged); } - tagged_mark = get_object_mark(&p->object); } } - if (starts_with(name, "refs/tags/")) - name += 10; - printf("tag %s\nfrom :%d\n", name, tagged_mark); + if (tagged->type == OBJ_TAG) { + printf("reset %s\nfrom %s\n\n", + name, oid_to_hex(null_oid())); + } + skip_prefix(name, "refs/tags/", &name); + printf("tag %s\n", name); + if (mark_tags) { + mark_next_object(&tag->object); + printf("mark :%"PRIu32"\n", last_idnum); + } + if (tagged_mark) + printf("from :%d\n", tagged_mark); + else + printf("from %s\n", oid_to_hex(&tagged->oid)); + if (show_original_ids) printf("original-oid %s\n", oid_to_hex(&tag->object.oid)); printf("%.*s%sdata %d\n%.*s\n", @@ -847,7 +923,6 @@ static struct commit *get_commit(struct rev_cmdline_entry *e, char *full_name) if (!tag) die("Tag %s points nowhere?", e->name); return (struct commit *)tag; - break; } default: return NULL; @@ -867,7 +942,7 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info) if (e->flags & UNINTERESTING) continue; - if (dwim_ref(e->name, strlen(e->name), &oid, &full_name) != 1) + if (dwim_ref(e->name, strlen(e->name), &oid, &full_name, 0) != 1) continue; if (refspecs.nr) { @@ -941,7 +1016,7 @@ static void handle_tags_and_duplicates(struct string_list *extras) * it. */ printf("reset %s\nfrom %s\n\n", - name, oid_to_hex(&null_oid)); + name, oid_to_hex(null_oid())); continue; } @@ -950,7 +1025,7 @@ static void handle_tags_and_duplicates(struct string_list *extras) /* * Getting here means we have a commit which * was excluded by a negative refspec (e.g. - * fast-export ^master master). If we are + * fast-export ^HEAD HEAD). If we are * referencing excluded commits, set the ref * to the exact commit. Otherwise, the user * wants the branch exported but every commit @@ -960,7 +1035,7 @@ static void handle_tags_and_duplicates(struct string_list *extras) if (!reference_excluded_commits) { /* delete the ref */ printf("reset %s\nfrom %s\n\n", - name, oid_to_hex(&null_oid)); + name, oid_to_hex(null_oid())); continue; } /* set ref to commit using oid, not mark */ @@ -1007,11 +1082,16 @@ static void export_marks(char *file) error("Unable to write marks file %s.", file); } -static void import_marks(char *input_file) +static void import_marks(char *input_file, int check_exists) { char line[512]; - FILE *f = xfopen(input_file, "r"); + FILE *f; + struct stat sb; + + if (check_exists && stat(input_file, &sb)) + return; + f = xfopen(input_file, "r"); while (fgets(line, sizeof(line), f)) { uint32_t mark; char *line_end, *mark_end; @@ -1066,8 +1146,39 @@ static void handle_deletes(void) continue; printf("reset %s\nfrom %s\n\n", - refspec->dst, oid_to_hex(&null_oid)); + refspec->dst, oid_to_hex(null_oid())); + } +} + +static char *anonymize_seed(void *data) +{ + return xstrdup(data); +} + +static int parse_opt_anonymize_map(const struct option *opt, + const char *arg, int unset) +{ + struct hashmap *map = opt->value; + const char *delim, *value; + size_t keylen; + + BUG_ON_OPT_NEG(unset); + + delim = strchr(arg, ':'); + if (delim) { + keylen = delim - arg; + value = delim + 1; + } else { + keylen = strlen(arg); + value = arg; } + + if (!keylen || !*value) + return error(_("--anonymize-map token cannot be empty")); + + anonymize_str(map, anonymize_seed, arg, keylen, (void *)value); + + return 0; } int cmd_fast_export(int argc, const char **argv, const char *prefix) @@ -1075,7 +1186,9 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) struct rev_info revs; struct object_array commits = OBJECT_ARRAY_INIT; struct commit *commit; - char *export_filename = NULL, *import_filename = NULL; + char *export_filename = NULL, + *import_filename = NULL, + *import_filename_if_exists = NULL; uint32_t lastimportid; struct string_list refspecs_list = STRING_LIST_INIT_NODUP; struct string_list paths_of_changed_objects = STRING_LIST_INIT_DUP; @@ -1088,24 +1201,36 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) OPT_CALLBACK(0, "tag-of-filtered-object", &tag_of_filtered_mode, N_("mode"), N_("select handling of tags that tag filtered objects"), parse_opt_tag_of_filtered_mode), + OPT_CALLBACK(0, "reencode", &reencode_mode, N_("mode"), + N_("select handling of commit messages in an alternate encoding"), + parse_opt_reencode_mode), OPT_STRING(0, "export-marks", &export_filename, N_("file"), - N_("Dump marks to this file")), + N_("dump marks to this file")), OPT_STRING(0, "import-marks", &import_filename, N_("file"), - N_("Import marks from this file")), + N_("import marks from this file")), + OPT_STRING(0, "import-marks-if-exists", + &import_filename_if_exists, + N_("file"), + N_("import marks from this file if it exists")), OPT_BOOL(0, "fake-missing-tagger", &fake_missing_tagger, - N_("Fake a tagger when tags lack one")), + N_("fake a tagger when tags lack one")), OPT_BOOL(0, "full-tree", &full_tree, - N_("Output full tree for each commit")), + N_("output full tree for each commit")), OPT_BOOL(0, "use-done-feature", &use_done_feature, - N_("Use the done feature to terminate the stream")), - OPT_BOOL(0, "no-data", &no_data, N_("Skip output of blob data")), + N_("use the done feature to terminate the stream")), + OPT_BOOL(0, "no-data", &no_data, N_("skip output of blob data")), OPT_STRING_LIST(0, "refspec", &refspecs_list, N_("refspec"), - N_("Apply refspec to exported refs")), + N_("apply refspec to exported refs")), OPT_BOOL(0, "anonymize", &anonymize, N_("anonymize output")), + OPT_CALLBACK_F(0, "anonymize-map", &anonymized_seeds, N_("from:to"), + N_("convert <from> to <to> in anonymized output"), + PARSE_OPT_NONEG, parse_opt_anonymize_map), OPT_BOOL(0, "reference-excluded-parents", - &reference_excluded_commits, N_("Reference parents which are not in fast-export stream by object id")), + &reference_excluded_commits, N_("reference parents which are not in fast-export stream by object id")), OPT_BOOL(0, "show-original-ids", &show_original_ids, - N_("Show original object ids of blobs/commits")), + N_("show original object ids of blobs/commits")), + OPT_BOOL(0, "mark-tags", &mark_tags, + N_("label tags with mark ids")), OPT_END() }; @@ -1127,6 +1252,9 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) if (argc > 1) usage_with_options (fast_export_usage, options); + if (anonymized_seeds.cmpfn && !anonymize) + die(_("--anonymize-map without --anonymize does not make sense")); + if (refspecs_list.nr) { int i; @@ -1139,8 +1267,12 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) if (use_done_feature) printf("feature done\n"); + if (import_filename && import_filename_if_exists) + die(_("Cannot pass both --import-marks and --import-marks-if-exists")); if (import_filename) - import_marks(import_filename); + import_marks(import_filename, 0); + else if (import_filename_if_exists) + import_marks(import_filename_if_exists, 1); lastimportid = last_idnum; if (import_filename && revs.prune_data.nr) diff --git a/builtin/fast-import.c b/builtin/fast-import.c new file mode 100644 index 0000000000..20406f6775 --- /dev/null +++ b/builtin/fast-import.c @@ -0,0 +1,3636 @@ +#include "builtin.h" +#include "cache.h" +#include "repository.h" +#include "config.h" +#include "lockfile.h" +#include "object.h" +#include "blob.h" +#include "tree.h" +#include "commit.h" +#include "delta.h" +#include "pack.h" +#include "refs.h" +#include "csum-file.h" +#include "quote.h" +#include "dir.h" +#include "run-command.h" +#include "packfile.h" +#include "object-store.h" +#include "mem-pool.h" +#include "commit-reach.h" +#include "khash.h" + +#define PACK_ID_BITS 16 +#define MAX_PACK_ID ((1<<PACK_ID_BITS)-1) +#define DEPTH_BITS 13 +#define MAX_DEPTH ((1<<DEPTH_BITS)-1) + +/* + * We abuse the setuid bit on directories to mean "do not delta". + */ +#define NO_DELTA S_ISUID + +/* + * The amount of additional space required in order to write an object into the + * current pack. This is the hash lengths at the end of the pack, plus the + * length of one object ID. + */ +#define PACK_SIZE_THRESHOLD (the_hash_algo->rawsz * 3) + +struct object_entry { + struct pack_idx_entry idx; + struct hashmap_entry ent; + uint32_t type : TYPE_BITS, + pack_id : PACK_ID_BITS, + depth : DEPTH_BITS; +}; + +static int object_entry_hashcmp(const void *map_data, + const struct hashmap_entry *eptr, + const struct hashmap_entry *entry_or_key, + const void *keydata) +{ + const struct object_id *oid = keydata; + const struct object_entry *e1, *e2; + + e1 = container_of(eptr, const struct object_entry, ent); + if (oid) + return oidcmp(&e1->idx.oid, oid); + + e2 = container_of(entry_or_key, const struct object_entry, ent); + return oidcmp(&e1->idx.oid, &e2->idx.oid); +} + +struct object_entry_pool { + struct object_entry_pool *next_pool; + struct object_entry *next_free; + struct object_entry *end; + struct object_entry entries[FLEX_ARRAY]; /* more */ +}; + +struct mark_set { + union { + struct object_id *oids[1024]; + struct object_entry *marked[1024]; + struct mark_set *sets[1024]; + } data; + unsigned int shift; +}; + +struct last_object { + struct strbuf data; + off_t offset; + unsigned int depth; + unsigned no_swap : 1; +}; + +struct atom_str { + struct atom_str *next_atom; + unsigned short str_len; + char str_dat[FLEX_ARRAY]; /* more */ +}; + +struct tree_content; +struct tree_entry { + struct tree_content *tree; + struct atom_str *name; + struct tree_entry_ms { + uint16_t mode; + struct object_id oid; + } versions[2]; +}; + +struct tree_content { + unsigned int entry_capacity; /* must match avail_tree_content */ + unsigned int entry_count; + unsigned int delta_depth; + struct tree_entry *entries[FLEX_ARRAY]; /* more */ +}; + +struct avail_tree_content { + unsigned int entry_capacity; /* must match tree_content */ + struct avail_tree_content *next_avail; +}; + +struct branch { + struct branch *table_next_branch; + struct branch *active_next_branch; + const char *name; + struct tree_entry branch_tree; + uintmax_t last_commit; + uintmax_t num_notes; + unsigned active : 1; + unsigned delete : 1; + unsigned pack_id : PACK_ID_BITS; + struct object_id oid; +}; + +struct tag { + struct tag *next_tag; + const char *name; + unsigned int pack_id; + struct object_id oid; +}; + +struct hash_list { + struct hash_list *next; + struct object_id oid; +}; + +typedef enum { + WHENSPEC_RAW = 1, + WHENSPEC_RAW_PERMISSIVE, + WHENSPEC_RFC2822, + WHENSPEC_NOW +} whenspec_type; + +struct recent_command { + struct recent_command *prev; + struct recent_command *next; + char *buf; +}; + +typedef void (*mark_set_inserter_t)(struct mark_set **s, struct object_id *oid, uintmax_t mark); +typedef void (*each_mark_fn_t)(uintmax_t mark, void *obj, void *cbp); + +/* Configured limits on output */ +static unsigned long max_depth = 50; +static off_t max_packsize; +static int unpack_limit = 100; +static int force_update; + +/* Stats and misc. counters */ +static uintmax_t alloc_count; +static uintmax_t marks_set_count; +static uintmax_t object_count_by_type[1 << TYPE_BITS]; +static uintmax_t duplicate_count_by_type[1 << TYPE_BITS]; +static uintmax_t delta_count_by_type[1 << TYPE_BITS]; +static uintmax_t delta_count_attempts_by_type[1 << TYPE_BITS]; +static unsigned long object_count; +static unsigned long branch_count; +static unsigned long branch_load_count; +static int failure; +static FILE *pack_edges; +static unsigned int show_stats = 1; +static int global_argc; +static const char **global_argv; + +/* Memory pools */ +static struct mem_pool fi_mem_pool = {NULL, 2*1024*1024 - + sizeof(struct mp_block), 0 }; + +/* Atom management */ +static unsigned int atom_table_sz = 4451; +static unsigned int atom_cnt; +static struct atom_str **atom_table; + +/* The .pack file being generated */ +static struct pack_idx_option pack_idx_opts; +static unsigned int pack_id; +static struct hashfile *pack_file; +static struct packed_git *pack_data; +static struct packed_git **all_packs; +static off_t pack_size; + +/* Table of objects we've written. */ +static unsigned int object_entry_alloc = 5000; +static struct object_entry_pool *blocks; +static struct hashmap object_table; +static struct mark_set *marks; +static const char *export_marks_file; +static const char *import_marks_file; +static int import_marks_file_from_stream; +static int import_marks_file_ignore_missing; +static int import_marks_file_done; +static int relative_marks_paths; + +/* Our last blob */ +static struct last_object last_blob = { STRBUF_INIT, 0, 0, 0 }; + +/* Tree management */ +static unsigned int tree_entry_alloc = 1000; +static void *avail_tree_entry; +static unsigned int avail_tree_table_sz = 100; +static struct avail_tree_content **avail_tree_table; +static size_t tree_entry_allocd; +static struct strbuf old_tree = STRBUF_INIT; +static struct strbuf new_tree = STRBUF_INIT; + +/* Branch data */ +static unsigned long max_active_branches = 5; +static unsigned long cur_active_branches; +static unsigned long branch_table_sz = 1039; +static struct branch **branch_table; +static struct branch *active_branches; + +/* Tag data */ +static struct tag *first_tag; +static struct tag *last_tag; + +/* Input stream parsing */ +static whenspec_type whenspec = WHENSPEC_RAW; +static struct strbuf command_buf = STRBUF_INIT; +static int unread_command_buf; +static struct recent_command cmd_hist = {&cmd_hist, &cmd_hist, NULL}; +static struct recent_command *cmd_tail = &cmd_hist; +static struct recent_command *rc_free; +static unsigned int cmd_save = 100; +static uintmax_t next_mark; +static struct strbuf new_data = STRBUF_INIT; +static int seen_data_command; +static int require_explicit_termination; +static int allow_unsafe_features; + +/* Signal handling */ +static volatile sig_atomic_t checkpoint_requested; + +/* Submodule marks */ +static struct string_list sub_marks_from = STRING_LIST_INIT_DUP; +static struct string_list sub_marks_to = STRING_LIST_INIT_DUP; +static kh_oid_map_t *sub_oid_map; + +/* Where to write output of cat-blob commands */ +static int cat_blob_fd = STDOUT_FILENO; + +static void parse_argv(void); +static void parse_get_mark(const char *p); +static void parse_cat_blob(const char *p); +static void parse_ls(const char *p, struct branch *b); + +static void for_each_mark(struct mark_set *m, uintmax_t base, each_mark_fn_t callback, void *p) +{ + uintmax_t k; + if (m->shift) { + for (k = 0; k < 1024; k++) { + if (m->data.sets[k]) + for_each_mark(m->data.sets[k], base + (k << m->shift), callback, p); + } + } else { + for (k = 0; k < 1024; k++) { + if (m->data.marked[k]) + callback(base + k, m->data.marked[k], p); + } + } +} + +static void dump_marks_fn(uintmax_t mark, void *object, void *cbp) { + struct object_entry *e = object; + FILE *f = cbp; + + fprintf(f, ":%" PRIuMAX " %s\n", mark, oid_to_hex(&e->idx.oid)); +} + +static void write_branch_report(FILE *rpt, struct branch *b) +{ + fprintf(rpt, "%s:\n", b->name); + + fprintf(rpt, " status :"); + if (b->active) + fputs(" active", rpt); + if (b->branch_tree.tree) + fputs(" loaded", rpt); + if (is_null_oid(&b->branch_tree.versions[1].oid)) + fputs(" dirty", rpt); + fputc('\n', rpt); + + fprintf(rpt, " tip commit : %s\n", oid_to_hex(&b->oid)); + fprintf(rpt, " old tree : %s\n", + oid_to_hex(&b->branch_tree.versions[0].oid)); + fprintf(rpt, " cur tree : %s\n", + oid_to_hex(&b->branch_tree.versions[1].oid)); + fprintf(rpt, " commit clock: %" PRIuMAX "\n", b->last_commit); + + fputs(" last pack : ", rpt); + if (b->pack_id < MAX_PACK_ID) + fprintf(rpt, "%u", b->pack_id); + fputc('\n', rpt); + + fputc('\n', rpt); +} + +static void write_crash_report(const char *err) +{ + char *loc = git_pathdup("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid()); + FILE *rpt = fopen(loc, "w"); + struct branch *b; + unsigned long lu; + struct recent_command *rc; + + if (!rpt) { + error_errno("can't write crash report %s", loc); + free(loc); + return; + } + + fprintf(stderr, "fast-import: dumping crash report to %s\n", loc); + + fprintf(rpt, "fast-import crash report:\n"); + fprintf(rpt, " fast-import process: %"PRIuMAX"\n", (uintmax_t) getpid()); + fprintf(rpt, " parent process : %"PRIuMAX"\n", (uintmax_t) getppid()); + fprintf(rpt, " at %s\n", show_date(time(NULL), 0, DATE_MODE(ISO8601))); + fputc('\n', rpt); + + fputs("fatal: ", rpt); + fputs(err, rpt); + fputc('\n', rpt); + + fputc('\n', rpt); + fputs("Most Recent Commands Before Crash\n", rpt); + fputs("---------------------------------\n", rpt); + for (rc = cmd_hist.next; rc != &cmd_hist; rc = rc->next) { + if (rc->next == &cmd_hist) + fputs("* ", rpt); + else + fputs(" ", rpt); + fputs(rc->buf, rpt); + fputc('\n', rpt); + } + + fputc('\n', rpt); + fputs("Active Branch LRU\n", rpt); + fputs("-----------------\n", rpt); + fprintf(rpt, " active_branches = %lu cur, %lu max\n", + cur_active_branches, + max_active_branches); + fputc('\n', rpt); + fputs(" pos clock name\n", rpt); + fputs(" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n", rpt); + for (b = active_branches, lu = 0; b; b = b->active_next_branch) + fprintf(rpt, " %2lu) %6" PRIuMAX" %s\n", + ++lu, b->last_commit, b->name); + + fputc('\n', rpt); + fputs("Inactive Branches\n", rpt); + fputs("-----------------\n", rpt); + for (lu = 0; lu < branch_table_sz; lu++) { + for (b = branch_table[lu]; b; b = b->table_next_branch) + write_branch_report(rpt, b); + } + + if (first_tag) { + struct tag *tg; + fputc('\n', rpt); + fputs("Annotated Tags\n", rpt); + fputs("--------------\n", rpt); + for (tg = first_tag; tg; tg = tg->next_tag) { + fputs(oid_to_hex(&tg->oid), rpt); + fputc(' ', rpt); + fputs(tg->name, rpt); + fputc('\n', rpt); + } + } + + fputc('\n', rpt); + fputs("Marks\n", rpt); + fputs("-----\n", rpt); + if (export_marks_file) + fprintf(rpt, " exported to %s\n", export_marks_file); + else + for_each_mark(marks, 0, dump_marks_fn, rpt); + + fputc('\n', rpt); + fputs("-------------------\n", rpt); + fputs("END OF CRASH REPORT\n", rpt); + fclose(rpt); + free(loc); +} + +static void end_packfile(void); +static void unkeep_all_packs(void); +static void dump_marks(void); + +static NORETURN void die_nicely(const char *err, va_list params) +{ + static int zombie; + char message[2 * PATH_MAX]; + + vsnprintf(message, sizeof(message), err, params); + fputs("fatal: ", stderr); + fputs(message, stderr); + fputc('\n', stderr); + + if (!zombie) { + zombie = 1; + write_crash_report(message); + end_packfile(); + unkeep_all_packs(); + dump_marks(); + } + exit(128); +} + +#ifndef SIGUSR1 /* Windows, for example */ + +static void set_checkpoint_signal(void) +{ +} + +#else + +static void checkpoint_signal(int signo) +{ + checkpoint_requested = 1; +} + +static void set_checkpoint_signal(void) +{ + struct sigaction sa; + + memset(&sa, 0, sizeof(sa)); + sa.sa_handler = checkpoint_signal; + sigemptyset(&sa.sa_mask); + sa.sa_flags = SA_RESTART; + sigaction(SIGUSR1, &sa, NULL); +} + +#endif + +static void alloc_objects(unsigned int cnt) +{ + struct object_entry_pool *b; + + b = xmalloc(sizeof(struct object_entry_pool) + + cnt * sizeof(struct object_entry)); + b->next_pool = blocks; + b->next_free = b->entries; + b->end = b->entries + cnt; + blocks = b; + alloc_count += cnt; +} + +static struct object_entry *new_object(struct object_id *oid) +{ + struct object_entry *e; + + if (blocks->next_free == blocks->end) + alloc_objects(object_entry_alloc); + + e = blocks->next_free++; + oidcpy(&e->idx.oid, oid); + return e; +} + +static struct object_entry *find_object(struct object_id *oid) +{ + return hashmap_get_entry_from_hash(&object_table, oidhash(oid), oid, + struct object_entry, ent); +} + +static struct object_entry *insert_object(struct object_id *oid) +{ + struct object_entry *e; + unsigned int hash = oidhash(oid); + + e = hashmap_get_entry_from_hash(&object_table, hash, oid, + struct object_entry, ent); + if (!e) { + e = new_object(oid); + e->idx.offset = 0; + hashmap_entry_init(&e->ent, hash); + hashmap_add(&object_table, &e->ent); + } + + return e; +} + +static void invalidate_pack_id(unsigned int id) +{ + unsigned long lu; + struct tag *t; + struct hashmap_iter iter; + struct object_entry *e; + + hashmap_for_each_entry(&object_table, &iter, e, ent) { + if (e->pack_id == id) + e->pack_id = MAX_PACK_ID; + } + + for (lu = 0; lu < branch_table_sz; lu++) { + struct branch *b; + + for (b = branch_table[lu]; b; b = b->table_next_branch) + if (b->pack_id == id) + b->pack_id = MAX_PACK_ID; + } + + for (t = first_tag; t; t = t->next_tag) + if (t->pack_id == id) + t->pack_id = MAX_PACK_ID; +} + +static unsigned int hc_str(const char *s, size_t len) +{ + unsigned int r = 0; + while (len-- > 0) + r = r * 31 + *s++; + return r; +} + +static void insert_mark(struct mark_set **top, uintmax_t idnum, struct object_entry *oe) +{ + struct mark_set *s = *top; + + while ((idnum >> s->shift) >= 1024) { + s = mem_pool_calloc(&fi_mem_pool, 1, sizeof(struct mark_set)); + s->shift = (*top)->shift + 10; + s->data.sets[0] = *top; + *top = s; + } + while (s->shift) { + uintmax_t i = idnum >> s->shift; + idnum -= i << s->shift; + if (!s->data.sets[i]) { + s->data.sets[i] = mem_pool_calloc(&fi_mem_pool, 1, sizeof(struct mark_set)); + s->data.sets[i]->shift = s->shift - 10; + } + s = s->data.sets[i]; + } + if (!s->data.marked[idnum]) + marks_set_count++; + s->data.marked[idnum] = oe; +} + +static void *find_mark(struct mark_set *s, uintmax_t idnum) +{ + uintmax_t orig_idnum = idnum; + struct object_entry *oe = NULL; + if ((idnum >> s->shift) < 1024) { + while (s && s->shift) { + uintmax_t i = idnum >> s->shift; + idnum -= i << s->shift; + s = s->data.sets[i]; + } + if (s) + oe = s->data.marked[idnum]; + } + if (!oe) + die("mark :%" PRIuMAX " not declared", orig_idnum); + return oe; +} + +static struct atom_str *to_atom(const char *s, unsigned short len) +{ + unsigned int hc = hc_str(s, len) % atom_table_sz; + struct atom_str *c; + + for (c = atom_table[hc]; c; c = c->next_atom) + if (c->str_len == len && !strncmp(s, c->str_dat, len)) + return c; + + c = mem_pool_alloc(&fi_mem_pool, sizeof(struct atom_str) + len + 1); + c->str_len = len; + memcpy(c->str_dat, s, len); + c->str_dat[len] = 0; + c->next_atom = atom_table[hc]; + atom_table[hc] = c; + atom_cnt++; + return c; +} + +static struct branch *lookup_branch(const char *name) +{ + unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz; + struct branch *b; + + for (b = branch_table[hc]; b; b = b->table_next_branch) + if (!strcmp(name, b->name)) + return b; + return NULL; +} + +static struct branch *new_branch(const char *name) +{ + unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz; + struct branch *b = lookup_branch(name); + + if (b) + die("Invalid attempt to create duplicate branch: %s", name); + if (check_refname_format(name, REFNAME_ALLOW_ONELEVEL)) + die("Branch name doesn't conform to GIT standards: %s", name); + + b = mem_pool_calloc(&fi_mem_pool, 1, sizeof(struct branch)); + b->name = mem_pool_strdup(&fi_mem_pool, name); + b->table_next_branch = branch_table[hc]; + b->branch_tree.versions[0].mode = S_IFDIR; + b->branch_tree.versions[1].mode = S_IFDIR; + b->num_notes = 0; + b->active = 0; + b->pack_id = MAX_PACK_ID; + branch_table[hc] = b; + branch_count++; + return b; +} + +static unsigned int hc_entries(unsigned int cnt) +{ + cnt = cnt & 7 ? (cnt / 8) + 1 : cnt / 8; + return cnt < avail_tree_table_sz ? cnt : avail_tree_table_sz - 1; +} + +static struct tree_content *new_tree_content(unsigned int cnt) +{ + struct avail_tree_content *f, *l = NULL; + struct tree_content *t; + unsigned int hc = hc_entries(cnt); + + for (f = avail_tree_table[hc]; f; l = f, f = f->next_avail) + if (f->entry_capacity >= cnt) + break; + + if (f) { + if (l) + l->next_avail = f->next_avail; + else + avail_tree_table[hc] = f->next_avail; + } else { + cnt = cnt & 7 ? ((cnt / 8) + 1) * 8 : cnt; + f = mem_pool_alloc(&fi_mem_pool, sizeof(*t) + sizeof(t->entries[0]) * cnt); + f->entry_capacity = cnt; + } + + t = (struct tree_content*)f; + t->entry_count = 0; + t->delta_depth = 0; + return t; +} + +static void release_tree_entry(struct tree_entry *e); +static void release_tree_content(struct tree_content *t) +{ + struct avail_tree_content *f = (struct avail_tree_content*)t; + unsigned int hc = hc_entries(f->entry_capacity); + f->next_avail = avail_tree_table[hc]; + avail_tree_table[hc] = f; +} + +static void release_tree_content_recursive(struct tree_content *t) +{ + unsigned int i; + for (i = 0; i < t->entry_count; i++) + release_tree_entry(t->entries[i]); + release_tree_content(t); +} + +static struct tree_content *grow_tree_content( + struct tree_content *t, + int amt) +{ + struct tree_content *r = new_tree_content(t->entry_count + amt); + r->entry_count = t->entry_count; + r->delta_depth = t->delta_depth; + COPY_ARRAY(r->entries, t->entries, t->entry_count); + release_tree_content(t); + return r; +} + +static struct tree_entry *new_tree_entry(void) +{ + struct tree_entry *e; + + if (!avail_tree_entry) { + unsigned int n = tree_entry_alloc; + tree_entry_allocd += n * sizeof(struct tree_entry); + ALLOC_ARRAY(e, n); + avail_tree_entry = e; + while (n-- > 1) { + *((void**)e) = e + 1; + e++; + } + *((void**)e) = NULL; + } + + e = avail_tree_entry; + avail_tree_entry = *((void**)e); + return e; +} + +static void release_tree_entry(struct tree_entry *e) +{ + if (e->tree) + release_tree_content_recursive(e->tree); + *((void**)e) = avail_tree_entry; + avail_tree_entry = e; +} + +static struct tree_content *dup_tree_content(struct tree_content *s) +{ + struct tree_content *d; + struct tree_entry *a, *b; + unsigned int i; + + if (!s) + return NULL; + d = new_tree_content(s->entry_count); + for (i = 0; i < s->entry_count; i++) { + a = s->entries[i]; + b = new_tree_entry(); + memcpy(b, a, sizeof(*a)); + if (a->tree && is_null_oid(&b->versions[1].oid)) + b->tree = dup_tree_content(a->tree); + else + b->tree = NULL; + d->entries[i] = b; + } + d->entry_count = s->entry_count; + d->delta_depth = s->delta_depth; + + return d; +} + +static void start_packfile(void) +{ + struct strbuf tmp_file = STRBUF_INIT; + struct packed_git *p; + int pack_fd; + + pack_fd = odb_mkstemp(&tmp_file, "pack/tmp_pack_XXXXXX"); + FLEX_ALLOC_STR(p, pack_name, tmp_file.buf); + strbuf_release(&tmp_file); + + p->pack_fd = pack_fd; + p->do_not_close = 1; + pack_file = hashfd(pack_fd, p->pack_name); + + pack_data = p; + pack_size = write_pack_header(pack_file, 0); + object_count = 0; + + REALLOC_ARRAY(all_packs, pack_id + 1); + all_packs[pack_id] = p; +} + +static const char *create_index(void) +{ + const char *tmpfile; + struct pack_idx_entry **idx, **c, **last; + struct object_entry *e; + struct object_entry_pool *o; + + /* Build the table of object IDs. */ + ALLOC_ARRAY(idx, object_count); + c = idx; + for (o = blocks; o; o = o->next_pool) + for (e = o->next_free; e-- != o->entries;) + if (pack_id == e->pack_id) + *c++ = &e->idx; + last = idx + object_count; + if (c != last) + die("internal consistency error creating the index"); + + tmpfile = write_idx_file(NULL, idx, object_count, &pack_idx_opts, + pack_data->hash); + free(idx); + return tmpfile; +} + +static char *keep_pack(const char *curr_index_name) +{ + static const char *keep_msg = "fast-import"; + struct strbuf name = STRBUF_INIT; + int keep_fd; + + odb_pack_name(&name, pack_data->hash, "keep"); + keep_fd = odb_pack_keep(name.buf); + if (keep_fd < 0) + die_errno("cannot create keep file"); + write_or_die(keep_fd, keep_msg, strlen(keep_msg)); + if (close(keep_fd)) + die_errno("failed to write keep file"); + + odb_pack_name(&name, pack_data->hash, "pack"); + if (finalize_object_file(pack_data->pack_name, name.buf)) + die("cannot store pack file"); + + odb_pack_name(&name, pack_data->hash, "idx"); + if (finalize_object_file(curr_index_name, name.buf)) + die("cannot store index file"); + free((void *)curr_index_name); + return strbuf_detach(&name, NULL); +} + +static void unkeep_all_packs(void) +{ + struct strbuf name = STRBUF_INIT; + int k; + + for (k = 0; k < pack_id; k++) { + struct packed_git *p = all_packs[k]; + odb_pack_name(&name, p->hash, "keep"); + unlink_or_warn(name.buf); + } + strbuf_release(&name); +} + +static int loosen_small_pack(const struct packed_git *p) +{ + struct child_process unpack = CHILD_PROCESS_INIT; + + if (lseek(p->pack_fd, 0, SEEK_SET) < 0) + die_errno("Failed seeking to start of '%s'", p->pack_name); + + unpack.in = p->pack_fd; + unpack.git_cmd = 1; + unpack.stdout_to_stderr = 1; + strvec_push(&unpack.args, "unpack-objects"); + if (!show_stats) + strvec_push(&unpack.args, "-q"); + + return run_command(&unpack); +} + +static void end_packfile(void) +{ + static int running; + + if (running || !pack_data) + return; + + running = 1; + clear_delta_base_cache(); + if (object_count) { + struct packed_git *new_p; + struct object_id cur_pack_oid; + char *idx_name; + int i; + struct branch *b; + struct tag *t; + + close_pack_windows(pack_data); + finalize_hashfile(pack_file, cur_pack_oid.hash, 0); + fixup_pack_header_footer(pack_data->pack_fd, pack_data->hash, + pack_data->pack_name, object_count, + cur_pack_oid.hash, pack_size); + + if (object_count <= unpack_limit) { + if (!loosen_small_pack(pack_data)) { + invalidate_pack_id(pack_id); + goto discard_pack; + } + } + + close(pack_data->pack_fd); + idx_name = keep_pack(create_index()); + + /* Register the packfile with core git's machinery. */ + new_p = add_packed_git(idx_name, strlen(idx_name), 1); + if (!new_p) + die("core git rejected index %s", idx_name); + all_packs[pack_id] = new_p; + install_packed_git(the_repository, new_p); + free(idx_name); + + /* Print the boundary */ + if (pack_edges) { + fprintf(pack_edges, "%s:", new_p->pack_name); + for (i = 0; i < branch_table_sz; i++) { + for (b = branch_table[i]; b; b = b->table_next_branch) { + if (b->pack_id == pack_id) + fprintf(pack_edges, " %s", + oid_to_hex(&b->oid)); + } + } + for (t = first_tag; t; t = t->next_tag) { + if (t->pack_id == pack_id) + fprintf(pack_edges, " %s", + oid_to_hex(&t->oid)); + } + fputc('\n', pack_edges); + fflush(pack_edges); + } + + pack_id++; + } + else { +discard_pack: + close(pack_data->pack_fd); + unlink_or_warn(pack_data->pack_name); + } + FREE_AND_NULL(pack_data); + running = 0; + + /* We can't carry a delta across packfiles. */ + strbuf_release(&last_blob.data); + last_blob.offset = 0; + last_blob.depth = 0; +} + +static void cycle_packfile(void) +{ + end_packfile(); + start_packfile(); +} + +static int store_object( + enum object_type type, + struct strbuf *dat, + struct last_object *last, + struct object_id *oidout, + uintmax_t mark) +{ + void *out, *delta; + struct object_entry *e; + unsigned char hdr[96]; + struct object_id oid; + unsigned long hdrlen, deltalen; + git_hash_ctx c; + git_zstream s; + + hdrlen = xsnprintf((char *)hdr, sizeof(hdr), "%s %lu", + type_name(type), (unsigned long)dat->len) + 1; + the_hash_algo->init_fn(&c); + the_hash_algo->update_fn(&c, hdr, hdrlen); + the_hash_algo->update_fn(&c, dat->buf, dat->len); + the_hash_algo->final_oid_fn(&oid, &c); + if (oidout) + oidcpy(oidout, &oid); + + e = insert_object(&oid); + if (mark) + insert_mark(&marks, mark, e); + if (e->idx.offset) { + duplicate_count_by_type[type]++; + return 1; + } else if (find_sha1_pack(oid.hash, + get_all_packs(the_repository))) { + e->type = type; + e->pack_id = MAX_PACK_ID; + e->idx.offset = 1; /* just not zero! */ + duplicate_count_by_type[type]++; + return 1; + } + + if (last && last->data.len && last->data.buf && last->depth < max_depth + && dat->len > the_hash_algo->rawsz) { + + delta_count_attempts_by_type[type]++; + delta = diff_delta(last->data.buf, last->data.len, + dat->buf, dat->len, + &deltalen, dat->len - the_hash_algo->rawsz); + } else + delta = NULL; + + git_deflate_init(&s, pack_compression_level); + if (delta) { + s.next_in = delta; + s.avail_in = deltalen; + } else { + s.next_in = (void *)dat->buf; + s.avail_in = dat->len; + } + s.avail_out = git_deflate_bound(&s, s.avail_in); + s.next_out = out = xmalloc(s.avail_out); + while (git_deflate(&s, Z_FINISH) == Z_OK) + ; /* nothing */ + git_deflate_end(&s); + + /* Determine if we should auto-checkpoint. */ + if ((max_packsize + && (pack_size + PACK_SIZE_THRESHOLD + s.total_out) > max_packsize) + || (pack_size + PACK_SIZE_THRESHOLD + s.total_out) < pack_size) { + + /* This new object needs to *not* have the current pack_id. */ + e->pack_id = pack_id + 1; + cycle_packfile(); + + /* We cannot carry a delta into the new pack. */ + if (delta) { + FREE_AND_NULL(delta); + + git_deflate_init(&s, pack_compression_level); + s.next_in = (void *)dat->buf; + s.avail_in = dat->len; + s.avail_out = git_deflate_bound(&s, s.avail_in); + s.next_out = out = xrealloc(out, s.avail_out); + while (git_deflate(&s, Z_FINISH) == Z_OK) + ; /* nothing */ + git_deflate_end(&s); + } + } + + e->type = type; + e->pack_id = pack_id; + e->idx.offset = pack_size; + object_count++; + object_count_by_type[type]++; + + crc32_begin(pack_file); + + if (delta) { + off_t ofs = e->idx.offset - last->offset; + unsigned pos = sizeof(hdr) - 1; + + delta_count_by_type[type]++; + e->depth = last->depth + 1; + + hdrlen = encode_in_pack_object_header(hdr, sizeof(hdr), + OBJ_OFS_DELTA, deltalen); + hashwrite(pack_file, hdr, hdrlen); + pack_size += hdrlen; + + hdr[pos] = ofs & 127; + while (ofs >>= 7) + hdr[--pos] = 128 | (--ofs & 127); + hashwrite(pack_file, hdr + pos, sizeof(hdr) - pos); + pack_size += sizeof(hdr) - pos; + } else { + e->depth = 0; + hdrlen = encode_in_pack_object_header(hdr, sizeof(hdr), + type, dat->len); + hashwrite(pack_file, hdr, hdrlen); + pack_size += hdrlen; + } + + hashwrite(pack_file, out, s.total_out); + pack_size += s.total_out; + + e->idx.crc32 = crc32_end(pack_file); + + free(out); + free(delta); + if (last) { + if (last->no_swap) { + last->data = *dat; + } else { + strbuf_swap(&last->data, dat); + } + last->offset = e->idx.offset; + last->depth = e->depth; + } + return 0; +} + +static void truncate_pack(struct hashfile_checkpoint *checkpoint) +{ + if (hashfile_truncate(pack_file, checkpoint)) + die_errno("cannot truncate pack to skip duplicate"); + pack_size = checkpoint->offset; +} + +static void stream_blob(uintmax_t len, struct object_id *oidout, uintmax_t mark) +{ + size_t in_sz = 64 * 1024, out_sz = 64 * 1024; + unsigned char *in_buf = xmalloc(in_sz); + unsigned char *out_buf = xmalloc(out_sz); + struct object_entry *e; + struct object_id oid; + unsigned long hdrlen; + off_t offset; + git_hash_ctx c; + git_zstream s; + struct hashfile_checkpoint checkpoint; + int status = Z_OK; + + /* Determine if we should auto-checkpoint. */ + if ((max_packsize + && (pack_size + PACK_SIZE_THRESHOLD + len) > max_packsize) + || (pack_size + PACK_SIZE_THRESHOLD + len) < pack_size) + cycle_packfile(); + + hashfile_checkpoint(pack_file, &checkpoint); + offset = checkpoint.offset; + + hdrlen = xsnprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1; + + the_hash_algo->init_fn(&c); + the_hash_algo->update_fn(&c, out_buf, hdrlen); + + crc32_begin(pack_file); + + git_deflate_init(&s, pack_compression_level); + + hdrlen = encode_in_pack_object_header(out_buf, out_sz, OBJ_BLOB, len); + + s.next_out = out_buf + hdrlen; + s.avail_out = out_sz - hdrlen; + + while (status != Z_STREAM_END) { + if (0 < len && !s.avail_in) { + size_t cnt = in_sz < len ? in_sz : (size_t)len; + size_t n = fread(in_buf, 1, cnt, stdin); + if (!n && feof(stdin)) + die("EOF in data (%" PRIuMAX " bytes remaining)", len); + + the_hash_algo->update_fn(&c, in_buf, n); + s.next_in = in_buf; + s.avail_in = n; + len -= n; + } + + status = git_deflate(&s, len ? 0 : Z_FINISH); + + if (!s.avail_out || status == Z_STREAM_END) { + size_t n = s.next_out - out_buf; + hashwrite(pack_file, out_buf, n); + pack_size += n; + s.next_out = out_buf; + s.avail_out = out_sz; + } + + switch (status) { + case Z_OK: + case Z_BUF_ERROR: + case Z_STREAM_END: + continue; + default: + die("unexpected deflate failure: %d", status); + } + } + git_deflate_end(&s); + the_hash_algo->final_oid_fn(&oid, &c); + + if (oidout) + oidcpy(oidout, &oid); + + e = insert_object(&oid); + + if (mark) + insert_mark(&marks, mark, e); + + if (e->idx.offset) { + duplicate_count_by_type[OBJ_BLOB]++; + truncate_pack(&checkpoint); + + } else if (find_sha1_pack(oid.hash, + get_all_packs(the_repository))) { + e->type = OBJ_BLOB; + e->pack_id = MAX_PACK_ID; + e->idx.offset = 1; /* just not zero! */ + duplicate_count_by_type[OBJ_BLOB]++; + truncate_pack(&checkpoint); + + } else { + e->depth = 0; + e->type = OBJ_BLOB; + e->pack_id = pack_id; + e->idx.offset = offset; + e->idx.crc32 = crc32_end(pack_file); + object_count++; + object_count_by_type[OBJ_BLOB]++; + } + + free(in_buf); + free(out_buf); +} + +/* All calls must be guarded by find_object() or find_mark() to + * ensure the 'struct object_entry' passed was written by this + * process instance. We unpack the entry by the offset, avoiding + * the need for the corresponding .idx file. This unpacking rule + * works because we only use OBJ_REF_DELTA within the packfiles + * created by fast-import. + * + * oe must not be NULL. Such an oe usually comes from giving + * an unknown SHA-1 to find_object() or an undefined mark to + * find_mark(). Callers must test for this condition and use + * the standard read_sha1_file() when it happens. + * + * oe->pack_id must not be MAX_PACK_ID. Such an oe is usually from + * find_mark(), where the mark was reloaded from an existing marks + * file and is referencing an object that this fast-import process + * instance did not write out to a packfile. Callers must test for + * this condition and use read_sha1_file() instead. + */ +static void *gfi_unpack_entry( + struct object_entry *oe, + unsigned long *sizep) +{ + enum object_type type; + struct packed_git *p = all_packs[oe->pack_id]; + if (p == pack_data && p->pack_size < (pack_size + the_hash_algo->rawsz)) { + /* The object is stored in the packfile we are writing to + * and we have modified it since the last time we scanned + * back to read a previously written object. If an old + * window covered [p->pack_size, p->pack_size + rawsz) its + * data is stale and is not valid. Closing all windows + * and updating the packfile length ensures we can read + * the newly written data. + */ + close_pack_windows(p); + hashflush(pack_file); + + /* We have to offer rawsz bytes additional on the end of + * the packfile as the core unpacker code assumes the + * footer is present at the file end and must promise + * at least rawsz bytes within any window it maps. But + * we don't actually create the footer here. + */ + p->pack_size = pack_size + the_hash_algo->rawsz; + } + return unpack_entry(the_repository, p, oe->idx.offset, &type, sizep); +} + +static const char *get_mode(const char *str, uint16_t *modep) +{ + unsigned char c; + uint16_t mode = 0; + + while ((c = *str++) != ' ') { + if (c < '0' || c > '7') + return NULL; + mode = (mode << 3) + (c - '0'); + } + *modep = mode; + return str; +} + +static void load_tree(struct tree_entry *root) +{ + struct object_id *oid = &root->versions[1].oid; + struct object_entry *myoe; + struct tree_content *t; + unsigned long size; + char *buf; + const char *c; + + root->tree = t = new_tree_content(8); + if (is_null_oid(oid)) + return; + + myoe = find_object(oid); + if (myoe && myoe->pack_id != MAX_PACK_ID) { + if (myoe->type != OBJ_TREE) + die("Not a tree: %s", oid_to_hex(oid)); + t->delta_depth = myoe->depth; + buf = gfi_unpack_entry(myoe, &size); + if (!buf) + die("Can't load tree %s", oid_to_hex(oid)); + } else { + enum object_type type; + buf = read_object_file(oid, &type, &size); + if (!buf || type != OBJ_TREE) + die("Can't load tree %s", oid_to_hex(oid)); + } + + c = buf; + while (c != (buf + size)) { + struct tree_entry *e = new_tree_entry(); + + if (t->entry_count == t->entry_capacity) + root->tree = t = grow_tree_content(t, t->entry_count); + t->entries[t->entry_count++] = e; + + e->tree = NULL; + c = get_mode(c, &e->versions[1].mode); + if (!c) + die("Corrupt mode in %s", oid_to_hex(oid)); + e->versions[0].mode = e->versions[1].mode; + e->name = to_atom(c, strlen(c)); + c += e->name->str_len + 1; + oidread(&e->versions[0].oid, (unsigned char *)c); + oidread(&e->versions[1].oid, (unsigned char *)c); + c += the_hash_algo->rawsz; + } + free(buf); +} + +static int tecmp0 (const void *_a, const void *_b) +{ + struct tree_entry *a = *((struct tree_entry**)_a); + struct tree_entry *b = *((struct tree_entry**)_b); + return base_name_compare( + a->name->str_dat, a->name->str_len, a->versions[0].mode, + b->name->str_dat, b->name->str_len, b->versions[0].mode); +} + +static int tecmp1 (const void *_a, const void *_b) +{ + struct tree_entry *a = *((struct tree_entry**)_a); + struct tree_entry *b = *((struct tree_entry**)_b); + return base_name_compare( + a->name->str_dat, a->name->str_len, a->versions[1].mode, + b->name->str_dat, b->name->str_len, b->versions[1].mode); +} + +static void mktree(struct tree_content *t, int v, struct strbuf *b) +{ + size_t maxlen = 0; + unsigned int i; + + if (!v) + QSORT(t->entries, t->entry_count, tecmp0); + else + QSORT(t->entries, t->entry_count, tecmp1); + + for (i = 0; i < t->entry_count; i++) { + if (t->entries[i]->versions[v].mode) + maxlen += t->entries[i]->name->str_len + 34; + } + + strbuf_reset(b); + strbuf_grow(b, maxlen); + for (i = 0; i < t->entry_count; i++) { + struct tree_entry *e = t->entries[i]; + if (!e->versions[v].mode) + continue; + strbuf_addf(b, "%o %s%c", + (unsigned int)(e->versions[v].mode & ~NO_DELTA), + e->name->str_dat, '\0'); + strbuf_add(b, e->versions[v].oid.hash, the_hash_algo->rawsz); + } +} + +static void store_tree(struct tree_entry *root) +{ + struct tree_content *t; + unsigned int i, j, del; + struct last_object lo = { STRBUF_INIT, 0, 0, /* no_swap */ 1 }; + struct object_entry *le = NULL; + + if (!is_null_oid(&root->versions[1].oid)) + return; + + if (!root->tree) + load_tree(root); + t = root->tree; + + for (i = 0; i < t->entry_count; i++) { + if (t->entries[i]->tree) + store_tree(t->entries[i]); + } + + if (!(root->versions[0].mode & NO_DELTA)) + le = find_object(&root->versions[0].oid); + if (S_ISDIR(root->versions[0].mode) && le && le->pack_id == pack_id) { + mktree(t, 0, &old_tree); + lo.data = old_tree; + lo.offset = le->idx.offset; + lo.depth = t->delta_depth; + } + + mktree(t, 1, &new_tree); + store_object(OBJ_TREE, &new_tree, &lo, &root->versions[1].oid, 0); + + t->delta_depth = lo.depth; + for (i = 0, j = 0, del = 0; i < t->entry_count; i++) { + struct tree_entry *e = t->entries[i]; + if (e->versions[1].mode) { + e->versions[0].mode = e->versions[1].mode; + oidcpy(&e->versions[0].oid, &e->versions[1].oid); + t->entries[j++] = e; + } else { + release_tree_entry(e); + del++; + } + } + t->entry_count -= del; +} + +static void tree_content_replace( + struct tree_entry *root, + const struct object_id *oid, + const uint16_t mode, + struct tree_content *newtree) +{ + if (!S_ISDIR(mode)) + die("Root cannot be a non-directory"); + oidclr(&root->versions[0].oid); + oidcpy(&root->versions[1].oid, oid); + if (root->tree) + release_tree_content_recursive(root->tree); + root->tree = newtree; +} + +static int tree_content_set( + struct tree_entry *root, + const char *p, + const struct object_id *oid, + const uint16_t mode, + struct tree_content *subtree) +{ + struct tree_content *t; + const char *slash1; + unsigned int i, n; + struct tree_entry *e; + + slash1 = strchrnul(p, '/'); + n = slash1 - p; + if (!n) + die("Empty path component found in input"); + if (!*slash1 && !S_ISDIR(mode) && subtree) + die("Non-directories cannot have subtrees"); + + if (!root->tree) + load_tree(root); + t = root->tree; + for (i = 0; i < t->entry_count; i++) { + e = t->entries[i]; + if (e->name->str_len == n && !fspathncmp(p, e->name->str_dat, n)) { + if (!*slash1) { + if (!S_ISDIR(mode) + && e->versions[1].mode == mode + && oideq(&e->versions[1].oid, oid)) + return 0; + e->versions[1].mode = mode; + oidcpy(&e->versions[1].oid, oid); + if (e->tree) + release_tree_content_recursive(e->tree); + e->tree = subtree; + + /* + * We need to leave e->versions[0].sha1 alone + * to avoid modifying the preimage tree used + * when writing out the parent directory. + * But after replacing the subdir with a + * completely different one, it's not a good + * delta base any more, and besides, we've + * thrown away the tree entries needed to + * make a delta against it. + * + * So let's just explicitly disable deltas + * for the subtree. + */ + if (S_ISDIR(e->versions[0].mode)) + e->versions[0].mode |= NO_DELTA; + + oidclr(&root->versions[1].oid); + return 1; + } + if (!S_ISDIR(e->versions[1].mode)) { + e->tree = new_tree_content(8); + e->versions[1].mode = S_IFDIR; + } + if (!e->tree) + load_tree(e); + if (tree_content_set(e, slash1 + 1, oid, mode, subtree)) { + oidclr(&root->versions[1].oid); + return 1; + } + return 0; + } + } + + if (t->entry_count == t->entry_capacity) + root->tree = t = grow_tree_content(t, t->entry_count); + e = new_tree_entry(); + e->name = to_atom(p, n); + e->versions[0].mode = 0; + oidclr(&e->versions[0].oid); + t->entries[t->entry_count++] = e; + if (*slash1) { + e->tree = new_tree_content(8); + e->versions[1].mode = S_IFDIR; + tree_content_set(e, slash1 + 1, oid, mode, subtree); + } else { + e->tree = subtree; + e->versions[1].mode = mode; + oidcpy(&e->versions[1].oid, oid); + } + oidclr(&root->versions[1].oid); + return 1; +} + +static int tree_content_remove( + struct tree_entry *root, + const char *p, + struct tree_entry *backup_leaf, + int allow_root) +{ + struct tree_content *t; + const char *slash1; + unsigned int i, n; + struct tree_entry *e; + + slash1 = strchrnul(p, '/'); + n = slash1 - p; + + if (!root->tree) + load_tree(root); + + if (!*p && allow_root) { + e = root; + goto del_entry; + } + + t = root->tree; + for (i = 0; i < t->entry_count; i++) { + e = t->entries[i]; + if (e->name->str_len == n && !fspathncmp(p, e->name->str_dat, n)) { + if (*slash1 && !S_ISDIR(e->versions[1].mode)) + /* + * If p names a file in some subdirectory, and a + * file or symlink matching the name of the + * parent directory of p exists, then p cannot + * exist and need not be deleted. + */ + return 1; + if (!*slash1 || !S_ISDIR(e->versions[1].mode)) + goto del_entry; + if (!e->tree) + load_tree(e); + if (tree_content_remove(e, slash1 + 1, backup_leaf, 0)) { + for (n = 0; n < e->tree->entry_count; n++) { + if (e->tree->entries[n]->versions[1].mode) { + oidclr(&root->versions[1].oid); + return 1; + } + } + backup_leaf = NULL; + goto del_entry; + } + return 0; + } + } + return 0; + +del_entry: + if (backup_leaf) + memcpy(backup_leaf, e, sizeof(*backup_leaf)); + else if (e->tree) + release_tree_content_recursive(e->tree); + e->tree = NULL; + e->versions[1].mode = 0; + oidclr(&e->versions[1].oid); + oidclr(&root->versions[1].oid); + return 1; +} + +static int tree_content_get( + struct tree_entry *root, + const char *p, + struct tree_entry *leaf, + int allow_root) +{ + struct tree_content *t; + const char *slash1; + unsigned int i, n; + struct tree_entry *e; + + slash1 = strchrnul(p, '/'); + n = slash1 - p; + if (!n && !allow_root) + die("Empty path component found in input"); + + if (!root->tree) + load_tree(root); + + if (!n) { + e = root; + goto found_entry; + } + + t = root->tree; + for (i = 0; i < t->entry_count; i++) { + e = t->entries[i]; + if (e->name->str_len == n && !fspathncmp(p, e->name->str_dat, n)) { + if (!*slash1) + goto found_entry; + if (!S_ISDIR(e->versions[1].mode)) + return 0; + if (!e->tree) + load_tree(e); + return tree_content_get(e, slash1 + 1, leaf, 0); + } + } + return 0; + +found_entry: + memcpy(leaf, e, sizeof(*leaf)); + if (e->tree && is_null_oid(&e->versions[1].oid)) + leaf->tree = dup_tree_content(e->tree); + else + leaf->tree = NULL; + return 1; +} + +static int update_branch(struct branch *b) +{ + static const char *msg = "fast-import"; + struct ref_transaction *transaction; + struct object_id old_oid; + struct strbuf err = STRBUF_INIT; + + if (is_null_oid(&b->oid)) { + if (b->delete) + delete_ref(NULL, b->name, NULL, 0); + return 0; + } + if (read_ref(b->name, &old_oid)) + oidclr(&old_oid); + if (!force_update && !is_null_oid(&old_oid)) { + struct commit *old_cmit, *new_cmit; + + old_cmit = lookup_commit_reference_gently(the_repository, + &old_oid, 0); + new_cmit = lookup_commit_reference_gently(the_repository, + &b->oid, 0); + if (!old_cmit || !new_cmit) + return error("Branch %s is missing commits.", b->name); + + if (!in_merge_bases(old_cmit, new_cmit)) { + warning("Not updating %s" + " (new tip %s does not contain %s)", + b->name, oid_to_hex(&b->oid), + oid_to_hex(&old_oid)); + return -1; + } + } + transaction = ref_transaction_begin(&err); + if (!transaction || + ref_transaction_update(transaction, b->name, &b->oid, &old_oid, + 0, msg, &err) || + ref_transaction_commit(transaction, &err)) { + ref_transaction_free(transaction); + error("%s", err.buf); + strbuf_release(&err); + return -1; + } + ref_transaction_free(transaction); + strbuf_release(&err); + return 0; +} + +static void dump_branches(void) +{ + unsigned int i; + struct branch *b; + + for (i = 0; i < branch_table_sz; i++) { + for (b = branch_table[i]; b; b = b->table_next_branch) + failure |= update_branch(b); + } +} + +static void dump_tags(void) +{ + static const char *msg = "fast-import"; + struct tag *t; + struct strbuf ref_name = STRBUF_INIT; + struct strbuf err = STRBUF_INIT; + struct ref_transaction *transaction; + + transaction = ref_transaction_begin(&err); + if (!transaction) { + failure |= error("%s", err.buf); + goto cleanup; + } + for (t = first_tag; t; t = t->next_tag) { + strbuf_reset(&ref_name); + strbuf_addf(&ref_name, "refs/tags/%s", t->name); + + if (ref_transaction_update(transaction, ref_name.buf, + &t->oid, NULL, 0, msg, &err)) { + failure |= error("%s", err.buf); + goto cleanup; + } + } + if (ref_transaction_commit(transaction, &err)) + failure |= error("%s", err.buf); + + cleanup: + ref_transaction_free(transaction); + strbuf_release(&ref_name); + strbuf_release(&err); +} + +static void dump_marks(void) +{ + struct lock_file mark_lock = LOCK_INIT; + FILE *f; + + if (!export_marks_file || (import_marks_file && !import_marks_file_done)) + return; + + if (safe_create_leading_directories_const(export_marks_file)) { + failure |= error_errno("unable to create leading directories of %s", + export_marks_file); + return; + } + + if (hold_lock_file_for_update(&mark_lock, export_marks_file, 0) < 0) { + failure |= error_errno("Unable to write marks file %s", + export_marks_file); + return; + } + + f = fdopen_lock_file(&mark_lock, "w"); + if (!f) { + int saved_errno = errno; + rollback_lock_file(&mark_lock); + failure |= error("Unable to write marks file %s: %s", + export_marks_file, strerror(saved_errno)); + return; + } + + for_each_mark(marks, 0, dump_marks_fn, f); + if (commit_lock_file(&mark_lock)) { + failure |= error_errno("Unable to write file %s", + export_marks_file); + return; + } +} + +static void insert_object_entry(struct mark_set **s, struct object_id *oid, uintmax_t mark) +{ + struct object_entry *e; + e = find_object(oid); + if (!e) { + enum object_type type = oid_object_info(the_repository, + oid, NULL); + if (type < 0) + die("object not found: %s", oid_to_hex(oid)); + e = insert_object(oid); + e->type = type; + e->pack_id = MAX_PACK_ID; + e->idx.offset = 1; /* just not zero! */ + } + insert_mark(s, mark, e); +} + +static void insert_oid_entry(struct mark_set **s, struct object_id *oid, uintmax_t mark) +{ + insert_mark(s, mark, xmemdupz(oid, sizeof(*oid))); +} + +static void read_mark_file(struct mark_set **s, FILE *f, mark_set_inserter_t inserter) +{ + char line[512]; + while (fgets(line, sizeof(line), f)) { + uintmax_t mark; + char *end; + struct object_id oid; + + /* Ensure SHA-1 objects are padded with zeros. */ + memset(oid.hash, 0, sizeof(oid.hash)); + + end = strchr(line, '\n'); + if (line[0] != ':' || !end) + die("corrupt mark line: %s", line); + *end = 0; + mark = strtoumax(line + 1, &end, 10); + if (!mark || end == line + 1 + || *end != ' ' + || get_oid_hex_any(end + 1, &oid) == GIT_HASH_UNKNOWN) + die("corrupt mark line: %s", line); + inserter(s, &oid, mark); + } +} + +static void read_marks(void) +{ + FILE *f = fopen(import_marks_file, "r"); + if (f) + ; + else if (import_marks_file_ignore_missing && errno == ENOENT) + goto done; /* Marks file does not exist */ + else + die_errno("cannot read '%s'", import_marks_file); + read_mark_file(&marks, f, insert_object_entry); + fclose(f); +done: + import_marks_file_done = 1; +} + + +static int read_next_command(void) +{ + static int stdin_eof = 0; + + if (stdin_eof) { + unread_command_buf = 0; + return EOF; + } + + for (;;) { + if (unread_command_buf) { + unread_command_buf = 0; + } else { + struct recent_command *rc; + + stdin_eof = strbuf_getline_lf(&command_buf, stdin); + if (stdin_eof) + return EOF; + + if (!seen_data_command + && !starts_with(command_buf.buf, "feature ") + && !starts_with(command_buf.buf, "option ")) { + parse_argv(); + } + + rc = rc_free; + if (rc) + rc_free = rc->next; + else { + rc = cmd_hist.next; + cmd_hist.next = rc->next; + cmd_hist.next->prev = &cmd_hist; + free(rc->buf); + } + + rc->buf = xstrdup(command_buf.buf); + rc->prev = cmd_tail; + rc->next = cmd_hist.prev; + rc->prev->next = rc; + cmd_tail = rc; + } + if (command_buf.buf[0] == '#') + continue; + return 0; + } +} + +static void skip_optional_lf(void) +{ + int term_char = fgetc(stdin); + if (term_char != '\n' && term_char != EOF) + ungetc(term_char, stdin); +} + +static void parse_mark(void) +{ + const char *v; + if (skip_prefix(command_buf.buf, "mark :", &v)) { + next_mark = strtoumax(v, NULL, 10); + read_next_command(); + } + else + next_mark = 0; +} + +static void parse_original_identifier(void) +{ + const char *v; + if (skip_prefix(command_buf.buf, "original-oid ", &v)) + read_next_command(); +} + +static int parse_data(struct strbuf *sb, uintmax_t limit, uintmax_t *len_res) +{ + const char *data; + strbuf_reset(sb); + + if (!skip_prefix(command_buf.buf, "data ", &data)) + die("Expected 'data n' command, found: %s", command_buf.buf); + + if (skip_prefix(data, "<<", &data)) { + char *term = xstrdup(data); + size_t term_len = command_buf.len - (data - command_buf.buf); + + for (;;) { + if (strbuf_getline_lf(&command_buf, stdin) == EOF) + die("EOF in data (terminator '%s' not found)", term); + if (term_len == command_buf.len + && !strcmp(term, command_buf.buf)) + break; + strbuf_addbuf(sb, &command_buf); + strbuf_addch(sb, '\n'); + } + free(term); + } + else { + uintmax_t len = strtoumax(data, NULL, 10); + size_t n = 0, length = (size_t)len; + + if (limit && limit < len) { + *len_res = len; + return 0; + } + if (length < len) + die("data is too large to use in this context"); + + while (n < length) { + size_t s = strbuf_fread(sb, length - n, stdin); + if (!s && feof(stdin)) + die("EOF in data (%lu bytes remaining)", + (unsigned long)(length - n)); + n += s; + } + } + + skip_optional_lf(); + return 1; +} + +static int validate_raw_date(const char *src, struct strbuf *result, int strict) +{ + const char *orig_src = src; + char *endp; + unsigned long num; + + errno = 0; + + num = strtoul(src, &endp, 10); + /* + * NEEDSWORK: perhaps check for reasonable values? For example, we + * could error on values representing times more than a + * day in the future. + */ + if (errno || endp == src || *endp != ' ') + return -1; + + src = endp + 1; + if (*src != '-' && *src != '+') + return -1; + + num = strtoul(src + 1, &endp, 10); + /* + * NEEDSWORK: check for brokenness other than num > 1400, such as + * (num % 100) >= 60, or ((num % 100) % 15) != 0 ? + */ + if (errno || endp == src + 1 || *endp || /* did not parse */ + (strict && (1400 < num)) /* parsed a broken timezone */ + ) + return -1; + + strbuf_addstr(result, orig_src); + return 0; +} + +static char *parse_ident(const char *buf) +{ + const char *ltgt; + size_t name_len; + struct strbuf ident = STRBUF_INIT; + + /* ensure there is a space delimiter even if there is no name */ + if (*buf == '<') + --buf; + + ltgt = buf + strcspn(buf, "<>"); + if (*ltgt != '<') + die("Missing < in ident string: %s", buf); + if (ltgt != buf && ltgt[-1] != ' ') + die("Missing space before < in ident string: %s", buf); + ltgt = ltgt + 1 + strcspn(ltgt + 1, "<>"); + if (*ltgt != '>') + die("Missing > in ident string: %s", buf); + ltgt++; + if (*ltgt != ' ') + die("Missing space after > in ident string: %s", buf); + ltgt++; + name_len = ltgt - buf; + strbuf_add(&ident, buf, name_len); + + switch (whenspec) { + case WHENSPEC_RAW: + if (validate_raw_date(ltgt, &ident, 1) < 0) + die("Invalid raw date \"%s\" in ident: %s", ltgt, buf); + break; + case WHENSPEC_RAW_PERMISSIVE: + if (validate_raw_date(ltgt, &ident, 0) < 0) + die("Invalid raw date \"%s\" in ident: %s", ltgt, buf); + break; + case WHENSPEC_RFC2822: + if (parse_date(ltgt, &ident) < 0) + die("Invalid rfc2822 date \"%s\" in ident: %s", ltgt, buf); + break; + case WHENSPEC_NOW: + if (strcmp("now", ltgt)) + die("Date in ident must be 'now': %s", buf); + datestamp(&ident); + break; + } + + return strbuf_detach(&ident, NULL); +} + +static void parse_and_store_blob( + struct last_object *last, + struct object_id *oidout, + uintmax_t mark) +{ + static struct strbuf buf = STRBUF_INIT; + uintmax_t len; + + if (parse_data(&buf, big_file_threshold, &len)) + store_object(OBJ_BLOB, &buf, last, oidout, mark); + else { + if (last) { + strbuf_release(&last->data); + last->offset = 0; + last->depth = 0; + } + stream_blob(len, oidout, mark); + skip_optional_lf(); + } +} + +static void parse_new_blob(void) +{ + read_next_command(); + parse_mark(); + parse_original_identifier(); + parse_and_store_blob(&last_blob, NULL, next_mark); +} + +static void unload_one_branch(void) +{ + while (cur_active_branches + && cur_active_branches >= max_active_branches) { + uintmax_t min_commit = ULONG_MAX; + struct branch *e, *l = NULL, *p = NULL; + + for (e = active_branches; e; e = e->active_next_branch) { + if (e->last_commit < min_commit) { + p = l; + min_commit = e->last_commit; + } + l = e; + } + + if (p) { + e = p->active_next_branch; + p->active_next_branch = e->active_next_branch; + } else { + e = active_branches; + active_branches = e->active_next_branch; + } + e->active = 0; + e->active_next_branch = NULL; + if (e->branch_tree.tree) { + release_tree_content_recursive(e->branch_tree.tree); + e->branch_tree.tree = NULL; + } + cur_active_branches--; + } +} + +static void load_branch(struct branch *b) +{ + load_tree(&b->branch_tree); + if (!b->active) { + b->active = 1; + b->active_next_branch = active_branches; + active_branches = b; + cur_active_branches++; + branch_load_count++; + } +} + +static unsigned char convert_num_notes_to_fanout(uintmax_t num_notes) +{ + unsigned char fanout = 0; + while ((num_notes >>= 8)) + fanout++; + return fanout; +} + +static void construct_path_with_fanout(const char *hex_sha1, + unsigned char fanout, char *path) +{ + unsigned int i = 0, j = 0; + if (fanout >= the_hash_algo->rawsz) + die("Too large fanout (%u)", fanout); + while (fanout) { + path[i++] = hex_sha1[j++]; + path[i++] = hex_sha1[j++]; + path[i++] = '/'; + fanout--; + } + memcpy(path + i, hex_sha1 + j, the_hash_algo->hexsz - j); + path[i + the_hash_algo->hexsz - j] = '\0'; +} + +static uintmax_t do_change_note_fanout( + struct tree_entry *orig_root, struct tree_entry *root, + char *hex_oid, unsigned int hex_oid_len, + char *fullpath, unsigned int fullpath_len, + unsigned char fanout) +{ + struct tree_content *t; + struct tree_entry *e, leaf; + unsigned int i, tmp_hex_oid_len, tmp_fullpath_len; + uintmax_t num_notes = 0; + struct object_id oid; + /* hex oid + '/' between each pair of hex digits + NUL */ + char realpath[GIT_MAX_HEXSZ + ((GIT_MAX_HEXSZ / 2) - 1) + 1]; + const unsigned hexsz = the_hash_algo->hexsz; + + if (!root->tree) + load_tree(root); + t = root->tree; + + for (i = 0; t && i < t->entry_count; i++) { + e = t->entries[i]; + tmp_hex_oid_len = hex_oid_len + e->name->str_len; + tmp_fullpath_len = fullpath_len; + + /* + * We're interested in EITHER existing note entries (entries + * with exactly 40 hex chars in path, not including directory + * separators), OR directory entries that may contain note + * entries (with < 40 hex chars in path). + * Also, each path component in a note entry must be a multiple + * of 2 chars. + */ + if (!e->versions[1].mode || + tmp_hex_oid_len > hexsz || + e->name->str_len % 2) + continue; + + /* This _may_ be a note entry, or a subdir containing notes */ + memcpy(hex_oid + hex_oid_len, e->name->str_dat, + e->name->str_len); + if (tmp_fullpath_len) + fullpath[tmp_fullpath_len++] = '/'; + memcpy(fullpath + tmp_fullpath_len, e->name->str_dat, + e->name->str_len); + tmp_fullpath_len += e->name->str_len; + fullpath[tmp_fullpath_len] = '\0'; + + if (tmp_hex_oid_len == hexsz && !get_oid_hex(hex_oid, &oid)) { + /* This is a note entry */ + if (fanout == 0xff) { + /* Counting mode, no rename */ + num_notes++; + continue; + } + construct_path_with_fanout(hex_oid, fanout, realpath); + if (!strcmp(fullpath, realpath)) { + /* Note entry is in correct location */ + num_notes++; + continue; + } + + /* Rename fullpath to realpath */ + if (!tree_content_remove(orig_root, fullpath, &leaf, 0)) + die("Failed to remove path %s", fullpath); + tree_content_set(orig_root, realpath, + &leaf.versions[1].oid, + leaf.versions[1].mode, + leaf.tree); + } else if (S_ISDIR(e->versions[1].mode)) { + /* This is a subdir that may contain note entries */ + num_notes += do_change_note_fanout(orig_root, e, + hex_oid, tmp_hex_oid_len, + fullpath, tmp_fullpath_len, fanout); + } + + /* The above may have reallocated the current tree_content */ + t = root->tree; + } + return num_notes; +} + +static uintmax_t change_note_fanout(struct tree_entry *root, + unsigned char fanout) +{ + /* + * The size of path is due to one slash between every two hex digits, + * plus the terminating NUL. Note that there is no slash at the end, so + * the number of slashes is one less than half the number of hex + * characters. + */ + char hex_oid[GIT_MAX_HEXSZ], path[GIT_MAX_HEXSZ + (GIT_MAX_HEXSZ / 2) - 1 + 1]; + return do_change_note_fanout(root, root, hex_oid, 0, path, 0, fanout); +} + +static int parse_mapped_oid_hex(const char *hex, struct object_id *oid, const char **end) +{ + int algo; + khiter_t it; + + /* Make SHA-1 object IDs have all-zero padding. */ + memset(oid->hash, 0, sizeof(oid->hash)); + + algo = parse_oid_hex_any(hex, oid, end); + if (algo == GIT_HASH_UNKNOWN) + return -1; + + it = kh_get_oid_map(sub_oid_map, *oid); + /* No such object? */ + if (it == kh_end(sub_oid_map)) { + /* If we're using the same algorithm, pass it through. */ + if (hash_algos[algo].format_id == the_hash_algo->format_id) + return 0; + return -1; + } + oidcpy(oid, kh_value(sub_oid_map, it)); + return 0; +} + +/* + * Given a pointer into a string, parse a mark reference: + * + * idnum ::= ':' bigint; + * + * Return the first character after the value in *endptr. + * + * Complain if the following character is not what is expected, + * either a space or end of the string. + */ +static uintmax_t parse_mark_ref(const char *p, char **endptr) +{ + uintmax_t mark; + + assert(*p == ':'); + p++; + mark = strtoumax(p, endptr, 10); + if (*endptr == p) + die("No value after ':' in mark: %s", command_buf.buf); + return mark; +} + +/* + * Parse the mark reference, and complain if this is not the end of + * the string. + */ +static uintmax_t parse_mark_ref_eol(const char *p) +{ + char *end; + uintmax_t mark; + + mark = parse_mark_ref(p, &end); + if (*end != '\0') + die("Garbage after mark: %s", command_buf.buf); + return mark; +} + +/* + * Parse the mark reference, demanding a trailing space. Return a + * pointer to the space. + */ +static uintmax_t parse_mark_ref_space(const char **p) +{ + uintmax_t mark; + char *end; + + mark = parse_mark_ref(*p, &end); + if (*end++ != ' ') + die("Missing space after mark: %s", command_buf.buf); + *p = end; + return mark; +} + +static void file_change_m(const char *p, struct branch *b) +{ + static struct strbuf uq = STRBUF_INIT; + const char *endp; + struct object_entry *oe; + struct object_id oid; + uint16_t mode, inline_data = 0; + + p = get_mode(p, &mode); + if (!p) + die("Corrupt mode: %s", command_buf.buf); + switch (mode) { + case 0644: + case 0755: + mode |= S_IFREG; + case S_IFREG | 0644: + case S_IFREG | 0755: + case S_IFLNK: + case S_IFDIR: + case S_IFGITLINK: + /* ok */ + break; + default: + die("Corrupt mode: %s", command_buf.buf); + } + + if (*p == ':') { + oe = find_mark(marks, parse_mark_ref_space(&p)); + oidcpy(&oid, &oe->idx.oid); + } else if (skip_prefix(p, "inline ", &p)) { + inline_data = 1; + oe = NULL; /* not used with inline_data, but makes gcc happy */ + } else { + if (parse_mapped_oid_hex(p, &oid, &p)) + die("Invalid dataref: %s", command_buf.buf); + oe = find_object(&oid); + if (*p++ != ' ') + die("Missing space after SHA1: %s", command_buf.buf); + } + + strbuf_reset(&uq); + if (!unquote_c_style(&uq, p, &endp)) { + if (*endp) + die("Garbage after path in: %s", command_buf.buf); + p = uq.buf; + } + + /* Git does not track empty, non-toplevel directories. */ + if (S_ISDIR(mode) && is_empty_tree_oid(&oid) && *p) { + tree_content_remove(&b->branch_tree, p, NULL, 0); + return; + } + + if (S_ISGITLINK(mode)) { + if (inline_data) + die("Git links cannot be specified 'inline': %s", + command_buf.buf); + else if (oe) { + if (oe->type != OBJ_COMMIT) + die("Not a commit (actually a %s): %s", + type_name(oe->type), command_buf.buf); + } + /* + * Accept the sha1 without checking; it expected to be in + * another repository. + */ + } else if (inline_data) { + if (S_ISDIR(mode)) + die("Directories cannot be specified 'inline': %s", + command_buf.buf); + if (p != uq.buf) { + strbuf_addstr(&uq, p); + p = uq.buf; + } + while (read_next_command() != EOF) { + const char *v; + if (skip_prefix(command_buf.buf, "cat-blob ", &v)) + parse_cat_blob(v); + else { + parse_and_store_blob(&last_blob, &oid, 0); + break; + } + } + } else { + enum object_type expected = S_ISDIR(mode) ? + OBJ_TREE: OBJ_BLOB; + enum object_type type = oe ? oe->type : + oid_object_info(the_repository, &oid, + NULL); + if (type < 0) + die("%s not found: %s", + S_ISDIR(mode) ? "Tree" : "Blob", + command_buf.buf); + if (type != expected) + die("Not a %s (actually a %s): %s", + type_name(expected), type_name(type), + command_buf.buf); + } + + if (!*p) { + tree_content_replace(&b->branch_tree, &oid, mode, NULL); + return; + } + tree_content_set(&b->branch_tree, p, &oid, mode, NULL); +} + +static void file_change_d(const char *p, struct branch *b) +{ + static struct strbuf uq = STRBUF_INIT; + const char *endp; + + strbuf_reset(&uq); + if (!unquote_c_style(&uq, p, &endp)) { + if (*endp) + die("Garbage after path in: %s", command_buf.buf); + p = uq.buf; + } + tree_content_remove(&b->branch_tree, p, NULL, 1); +} + +static void file_change_cr(const char *s, struct branch *b, int rename) +{ + const char *d; + static struct strbuf s_uq = STRBUF_INIT; + static struct strbuf d_uq = STRBUF_INIT; + const char *endp; + struct tree_entry leaf; + + strbuf_reset(&s_uq); + if (!unquote_c_style(&s_uq, s, &endp)) { + if (*endp != ' ') + die("Missing space after source: %s", command_buf.buf); + } else { + endp = strchr(s, ' '); + if (!endp) + die("Missing space after source: %s", command_buf.buf); + strbuf_add(&s_uq, s, endp - s); + } + s = s_uq.buf; + + endp++; + if (!*endp) + die("Missing dest: %s", command_buf.buf); + + d = endp; + strbuf_reset(&d_uq); + if (!unquote_c_style(&d_uq, d, &endp)) { + if (*endp) + die("Garbage after dest in: %s", command_buf.buf); + d = d_uq.buf; + } + + memset(&leaf, 0, sizeof(leaf)); + if (rename) + tree_content_remove(&b->branch_tree, s, &leaf, 1); + else + tree_content_get(&b->branch_tree, s, &leaf, 1); + if (!leaf.versions[1].mode) + die("Path %s not in branch", s); + if (!*d) { /* C "path/to/subdir" "" */ + tree_content_replace(&b->branch_tree, + &leaf.versions[1].oid, + leaf.versions[1].mode, + leaf.tree); + return; + } + tree_content_set(&b->branch_tree, d, + &leaf.versions[1].oid, + leaf.versions[1].mode, + leaf.tree); +} + +static void note_change_n(const char *p, struct branch *b, unsigned char *old_fanout) +{ + static struct strbuf uq = STRBUF_INIT; + struct object_entry *oe; + struct branch *s; + struct object_id oid, commit_oid; + char path[GIT_MAX_RAWSZ * 3]; + uint16_t inline_data = 0; + unsigned char new_fanout; + + /* + * When loading a branch, we don't traverse its tree to count the real + * number of notes (too expensive to do this for all non-note refs). + * This means that recently loaded notes refs might incorrectly have + * b->num_notes == 0, and consequently, old_fanout might be wrong. + * + * Fix this by traversing the tree and counting the number of notes + * when b->num_notes == 0. If the notes tree is truly empty, the + * calculation should not take long. + */ + if (b->num_notes == 0 && *old_fanout == 0) { + /* Invoke change_note_fanout() in "counting mode". */ + b->num_notes = change_note_fanout(&b->branch_tree, 0xff); + *old_fanout = convert_num_notes_to_fanout(b->num_notes); + } + + /* Now parse the notemodify command. */ + /* <dataref> or 'inline' */ + if (*p == ':') { + oe = find_mark(marks, parse_mark_ref_space(&p)); + oidcpy(&oid, &oe->idx.oid); + } else if (skip_prefix(p, "inline ", &p)) { + inline_data = 1; + oe = NULL; /* not used with inline_data, but makes gcc happy */ + } else { + if (parse_mapped_oid_hex(p, &oid, &p)) + die("Invalid dataref: %s", command_buf.buf); + oe = find_object(&oid); + if (*p++ != ' ') + die("Missing space after SHA1: %s", command_buf.buf); + } + + /* <commit-ish> */ + s = lookup_branch(p); + if (s) { + if (is_null_oid(&s->oid)) + die("Can't add a note on empty branch."); + oidcpy(&commit_oid, &s->oid); + } else if (*p == ':') { + uintmax_t commit_mark = parse_mark_ref_eol(p); + struct object_entry *commit_oe = find_mark(marks, commit_mark); + if (commit_oe->type != OBJ_COMMIT) + die("Mark :%" PRIuMAX " not a commit", commit_mark); + oidcpy(&commit_oid, &commit_oe->idx.oid); + } else if (!get_oid(p, &commit_oid)) { + unsigned long size; + char *buf = read_object_with_reference(the_repository, + &commit_oid, + commit_type, &size, + &commit_oid); + if (!buf || size < the_hash_algo->hexsz + 6) + die("Not a valid commit: %s", p); + free(buf); + } else + die("Invalid ref name or SHA1 expression: %s", p); + + if (inline_data) { + if (p != uq.buf) { + strbuf_addstr(&uq, p); + p = uq.buf; + } + read_next_command(); + parse_and_store_blob(&last_blob, &oid, 0); + } else if (oe) { + if (oe->type != OBJ_BLOB) + die("Not a blob (actually a %s): %s", + type_name(oe->type), command_buf.buf); + } else if (!is_null_oid(&oid)) { + enum object_type type = oid_object_info(the_repository, &oid, + NULL); + if (type < 0) + die("Blob not found: %s", command_buf.buf); + if (type != OBJ_BLOB) + die("Not a blob (actually a %s): %s", + type_name(type), command_buf.buf); + } + + construct_path_with_fanout(oid_to_hex(&commit_oid), *old_fanout, path); + if (tree_content_remove(&b->branch_tree, path, NULL, 0)) + b->num_notes--; + + if (is_null_oid(&oid)) + return; /* nothing to insert */ + + b->num_notes++; + new_fanout = convert_num_notes_to_fanout(b->num_notes); + construct_path_with_fanout(oid_to_hex(&commit_oid), new_fanout, path); + tree_content_set(&b->branch_tree, path, &oid, S_IFREG | 0644, NULL); +} + +static void file_change_deleteall(struct branch *b) +{ + release_tree_content_recursive(b->branch_tree.tree); + oidclr(&b->branch_tree.versions[0].oid); + oidclr(&b->branch_tree.versions[1].oid); + load_tree(&b->branch_tree); + b->num_notes = 0; +} + +static void parse_from_commit(struct branch *b, char *buf, unsigned long size) +{ + if (!buf || size < the_hash_algo->hexsz + 6) + die("Not a valid commit: %s", oid_to_hex(&b->oid)); + if (memcmp("tree ", buf, 5) + || get_oid_hex(buf + 5, &b->branch_tree.versions[1].oid)) + die("The commit %s is corrupt", oid_to_hex(&b->oid)); + oidcpy(&b->branch_tree.versions[0].oid, + &b->branch_tree.versions[1].oid); +} + +static void parse_from_existing(struct branch *b) +{ + if (is_null_oid(&b->oid)) { + oidclr(&b->branch_tree.versions[0].oid); + oidclr(&b->branch_tree.versions[1].oid); + } else { + unsigned long size; + char *buf; + + buf = read_object_with_reference(the_repository, + &b->oid, commit_type, &size, + &b->oid); + parse_from_commit(b, buf, size); + free(buf); + } +} + +static int parse_objectish(struct branch *b, const char *objectish) +{ + struct branch *s; + struct object_id oid; + + oidcpy(&oid, &b->branch_tree.versions[1].oid); + + s = lookup_branch(objectish); + if (b == s) + die("Can't create a branch from itself: %s", b->name); + else if (s) { + struct object_id *t = &s->branch_tree.versions[1].oid; + oidcpy(&b->oid, &s->oid); + oidcpy(&b->branch_tree.versions[0].oid, t); + oidcpy(&b->branch_tree.versions[1].oid, t); + } else if (*objectish == ':') { + uintmax_t idnum = parse_mark_ref_eol(objectish); + struct object_entry *oe = find_mark(marks, idnum); + if (oe->type != OBJ_COMMIT) + die("Mark :%" PRIuMAX " not a commit", idnum); + if (!oideq(&b->oid, &oe->idx.oid)) { + oidcpy(&b->oid, &oe->idx.oid); + if (oe->pack_id != MAX_PACK_ID) { + unsigned long size; + char *buf = gfi_unpack_entry(oe, &size); + parse_from_commit(b, buf, size); + free(buf); + } else + parse_from_existing(b); + } + } else if (!get_oid(objectish, &b->oid)) { + parse_from_existing(b); + if (is_null_oid(&b->oid)) + b->delete = 1; + } + else + die("Invalid ref name or SHA1 expression: %s", objectish); + + if (b->branch_tree.tree && !oideq(&oid, &b->branch_tree.versions[1].oid)) { + release_tree_content_recursive(b->branch_tree.tree); + b->branch_tree.tree = NULL; + } + + read_next_command(); + return 1; +} + +static int parse_from(struct branch *b) +{ + const char *from; + + if (!skip_prefix(command_buf.buf, "from ", &from)) + return 0; + + return parse_objectish(b, from); +} + +static int parse_objectish_with_prefix(struct branch *b, const char *prefix) +{ + const char *base; + + if (!skip_prefix(command_buf.buf, prefix, &base)) + return 0; + + return parse_objectish(b, base); +} + +static struct hash_list *parse_merge(unsigned int *count) +{ + struct hash_list *list = NULL, **tail = &list, *n; + const char *from; + struct branch *s; + + *count = 0; + while (skip_prefix(command_buf.buf, "merge ", &from)) { + n = xmalloc(sizeof(*n)); + s = lookup_branch(from); + if (s) + oidcpy(&n->oid, &s->oid); + else if (*from == ':') { + uintmax_t idnum = parse_mark_ref_eol(from); + struct object_entry *oe = find_mark(marks, idnum); + if (oe->type != OBJ_COMMIT) + die("Mark :%" PRIuMAX " not a commit", idnum); + oidcpy(&n->oid, &oe->idx.oid); + } else if (!get_oid(from, &n->oid)) { + unsigned long size; + char *buf = read_object_with_reference(the_repository, + &n->oid, + commit_type, + &size, &n->oid); + if (!buf || size < the_hash_algo->hexsz + 6) + die("Not a valid commit: %s", from); + free(buf); + } else + die("Invalid ref name or SHA1 expression: %s", from); + + n->next = NULL; + *tail = n; + tail = &n->next; + + (*count)++; + read_next_command(); + } + return list; +} + +static void parse_new_commit(const char *arg) +{ + static struct strbuf msg = STRBUF_INIT; + struct branch *b; + char *author = NULL; + char *committer = NULL; + char *encoding = NULL; + struct hash_list *merge_list = NULL; + unsigned int merge_count; + unsigned char prev_fanout, new_fanout; + const char *v; + + b = lookup_branch(arg); + if (!b) + b = new_branch(arg); + + read_next_command(); + parse_mark(); + parse_original_identifier(); + if (skip_prefix(command_buf.buf, "author ", &v)) { + author = parse_ident(v); + read_next_command(); + } + if (skip_prefix(command_buf.buf, "committer ", &v)) { + committer = parse_ident(v); + read_next_command(); + } + if (!committer) + die("Expected committer but didn't get one"); + if (skip_prefix(command_buf.buf, "encoding ", &v)) { + encoding = xstrdup(v); + read_next_command(); + } + parse_data(&msg, 0, NULL); + read_next_command(); + parse_from(b); + merge_list = parse_merge(&merge_count); + + /* ensure the branch is active/loaded */ + if (!b->branch_tree.tree || !max_active_branches) { + unload_one_branch(); + load_branch(b); + } + + prev_fanout = convert_num_notes_to_fanout(b->num_notes); + + /* file_change* */ + while (command_buf.len > 0) { + if (skip_prefix(command_buf.buf, "M ", &v)) + file_change_m(v, b); + else if (skip_prefix(command_buf.buf, "D ", &v)) + file_change_d(v, b); + else if (skip_prefix(command_buf.buf, "R ", &v)) + file_change_cr(v, b, 1); + else if (skip_prefix(command_buf.buf, "C ", &v)) + file_change_cr(v, b, 0); + else if (skip_prefix(command_buf.buf, "N ", &v)) + note_change_n(v, b, &prev_fanout); + else if (!strcmp("deleteall", command_buf.buf)) + file_change_deleteall(b); + else if (skip_prefix(command_buf.buf, "ls ", &v)) + parse_ls(v, b); + else if (skip_prefix(command_buf.buf, "cat-blob ", &v)) + parse_cat_blob(v); + else { + unread_command_buf = 1; + break; + } + if (read_next_command() == EOF) + break; + } + + new_fanout = convert_num_notes_to_fanout(b->num_notes); + if (new_fanout != prev_fanout) + b->num_notes = change_note_fanout(&b->branch_tree, new_fanout); + + /* build the tree and the commit */ + store_tree(&b->branch_tree); + oidcpy(&b->branch_tree.versions[0].oid, + &b->branch_tree.versions[1].oid); + + strbuf_reset(&new_data); + strbuf_addf(&new_data, "tree %s\n", + oid_to_hex(&b->branch_tree.versions[1].oid)); + if (!is_null_oid(&b->oid)) + strbuf_addf(&new_data, "parent %s\n", + oid_to_hex(&b->oid)); + while (merge_list) { + struct hash_list *next = merge_list->next; + strbuf_addf(&new_data, "parent %s\n", + oid_to_hex(&merge_list->oid)); + free(merge_list); + merge_list = next; + } + strbuf_addf(&new_data, + "author %s\n" + "committer %s\n", + author ? author : committer, committer); + if (encoding) + strbuf_addf(&new_data, + "encoding %s\n", + encoding); + strbuf_addch(&new_data, '\n'); + strbuf_addbuf(&new_data, &msg); + free(author); + free(committer); + free(encoding); + + if (!store_object(OBJ_COMMIT, &new_data, NULL, &b->oid, next_mark)) + b->pack_id = pack_id; + b->last_commit = object_count_by_type[OBJ_COMMIT]; +} + +static void parse_new_tag(const char *arg) +{ + static struct strbuf msg = STRBUF_INIT; + const char *from; + char *tagger; + struct branch *s; + struct tag *t; + uintmax_t from_mark = 0; + struct object_id oid; + enum object_type type; + const char *v; + + t = mem_pool_alloc(&fi_mem_pool, sizeof(struct tag)); + memset(t, 0, sizeof(struct tag)); + t->name = mem_pool_strdup(&fi_mem_pool, arg); + if (last_tag) + last_tag->next_tag = t; + else + first_tag = t; + last_tag = t; + read_next_command(); + parse_mark(); + + /* from ... */ + if (!skip_prefix(command_buf.buf, "from ", &from)) + die("Expected from command, got %s", command_buf.buf); + s = lookup_branch(from); + if (s) { + if (is_null_oid(&s->oid)) + die("Can't tag an empty branch."); + oidcpy(&oid, &s->oid); + type = OBJ_COMMIT; + } else if (*from == ':') { + struct object_entry *oe; + from_mark = parse_mark_ref_eol(from); + oe = find_mark(marks, from_mark); + type = oe->type; + oidcpy(&oid, &oe->idx.oid); + } else if (!get_oid(from, &oid)) { + struct object_entry *oe = find_object(&oid); + if (!oe) { + type = oid_object_info(the_repository, &oid, NULL); + if (type < 0) + die("Not a valid object: %s", from); + } else + type = oe->type; + } else + die("Invalid ref name or SHA1 expression: %s", from); + read_next_command(); + + /* original-oid ... */ + parse_original_identifier(); + + /* tagger ... */ + if (skip_prefix(command_buf.buf, "tagger ", &v)) { + tagger = parse_ident(v); + read_next_command(); + } else + tagger = NULL; + + /* tag payload/message */ + parse_data(&msg, 0, NULL); + + /* build the tag object */ + strbuf_reset(&new_data); + + strbuf_addf(&new_data, + "object %s\n" + "type %s\n" + "tag %s\n", + oid_to_hex(&oid), type_name(type), t->name); + if (tagger) + strbuf_addf(&new_data, + "tagger %s\n", tagger); + strbuf_addch(&new_data, '\n'); + strbuf_addbuf(&new_data, &msg); + free(tagger); + + if (store_object(OBJ_TAG, &new_data, NULL, &t->oid, next_mark)) + t->pack_id = MAX_PACK_ID; + else + t->pack_id = pack_id; +} + +static void parse_reset_branch(const char *arg) +{ + struct branch *b; + const char *tag_name; + + b = lookup_branch(arg); + if (b) { + oidclr(&b->oid); + oidclr(&b->branch_tree.versions[0].oid); + oidclr(&b->branch_tree.versions[1].oid); + if (b->branch_tree.tree) { + release_tree_content_recursive(b->branch_tree.tree); + b->branch_tree.tree = NULL; + } + } + else + b = new_branch(arg); + read_next_command(); + parse_from(b); + if (b->delete && skip_prefix(b->name, "refs/tags/", &tag_name)) { + /* + * Elsewhere, we call dump_branches() before dump_tags(), + * and dump_branches() will handle ref deletions first, so + * in order to make sure the deletion actually takes effect, + * we need to remove the tag from our list of tags to update. + * + * NEEDSWORK: replace list of tags with hashmap for faster + * deletion? + */ + struct tag *t, *prev = NULL; + for (t = first_tag; t; t = t->next_tag) { + if (!strcmp(t->name, tag_name)) + break; + prev = t; + } + if (t) { + if (prev) + prev->next_tag = t->next_tag; + else + first_tag = t->next_tag; + if (!t->next_tag) + last_tag = prev; + /* There is no mem_pool_free(t) function to call. */ + } + } + if (command_buf.len > 0) + unread_command_buf = 1; +} + +static void cat_blob_write(const char *buf, unsigned long size) +{ + if (write_in_full(cat_blob_fd, buf, size) < 0) + die_errno("Write to frontend failed"); +} + +static void cat_blob(struct object_entry *oe, struct object_id *oid) +{ + struct strbuf line = STRBUF_INIT; + unsigned long size; + enum object_type type = 0; + char *buf; + + if (!oe || oe->pack_id == MAX_PACK_ID) { + buf = read_object_file(oid, &type, &size); + } else { + type = oe->type; + buf = gfi_unpack_entry(oe, &size); + } + + /* + * Output based on batch_one_object() from cat-file.c. + */ + if (type <= 0) { + strbuf_reset(&line); + strbuf_addf(&line, "%s missing\n", oid_to_hex(oid)); + cat_blob_write(line.buf, line.len); + strbuf_release(&line); + free(buf); + return; + } + if (!buf) + die("Can't read object %s", oid_to_hex(oid)); + if (type != OBJ_BLOB) + die("Object %s is a %s but a blob was expected.", + oid_to_hex(oid), type_name(type)); + strbuf_reset(&line); + strbuf_addf(&line, "%s %s %"PRIuMAX"\n", oid_to_hex(oid), + type_name(type), (uintmax_t)size); + cat_blob_write(line.buf, line.len); + strbuf_release(&line); + cat_blob_write(buf, size); + cat_blob_write("\n", 1); + if (oe && oe->pack_id == pack_id) { + last_blob.offset = oe->idx.offset; + strbuf_attach(&last_blob.data, buf, size, size); + last_blob.depth = oe->depth; + } else + free(buf); +} + +static void parse_get_mark(const char *p) +{ + struct object_entry *oe; + char output[GIT_MAX_HEXSZ + 2]; + + /* get-mark SP <object> LF */ + if (*p != ':') + die("Not a mark: %s", p); + + oe = find_mark(marks, parse_mark_ref_eol(p)); + if (!oe) + die("Unknown mark: %s", command_buf.buf); + + xsnprintf(output, sizeof(output), "%s\n", oid_to_hex(&oe->idx.oid)); + cat_blob_write(output, the_hash_algo->hexsz + 1); +} + +static void parse_cat_blob(const char *p) +{ + struct object_entry *oe; + struct object_id oid; + + /* cat-blob SP <object> LF */ + if (*p == ':') { + oe = find_mark(marks, parse_mark_ref_eol(p)); + if (!oe) + die("Unknown mark: %s", command_buf.buf); + oidcpy(&oid, &oe->idx.oid); + } else { + if (parse_mapped_oid_hex(p, &oid, &p)) + die("Invalid dataref: %s", command_buf.buf); + if (*p) + die("Garbage after SHA1: %s", command_buf.buf); + oe = find_object(&oid); + } + + cat_blob(oe, &oid); +} + +static struct object_entry *dereference(struct object_entry *oe, + struct object_id *oid) +{ + unsigned long size; + char *buf = NULL; + const unsigned hexsz = the_hash_algo->hexsz; + + if (!oe) { + enum object_type type = oid_object_info(the_repository, oid, + NULL); + if (type < 0) + die("object not found: %s", oid_to_hex(oid)); + /* cache it! */ + oe = insert_object(oid); + oe->type = type; + oe->pack_id = MAX_PACK_ID; + oe->idx.offset = 1; + } + switch (oe->type) { + case OBJ_TREE: /* easy case. */ + return oe; + case OBJ_COMMIT: + case OBJ_TAG: + break; + default: + die("Not a tree-ish: %s", command_buf.buf); + } + + if (oe->pack_id != MAX_PACK_ID) { /* in a pack being written */ + buf = gfi_unpack_entry(oe, &size); + } else { + enum object_type unused; + buf = read_object_file(oid, &unused, &size); + } + if (!buf) + die("Can't load object %s", oid_to_hex(oid)); + + /* Peel one layer. */ + switch (oe->type) { + case OBJ_TAG: + if (size < hexsz + strlen("object ") || + get_oid_hex(buf + strlen("object "), oid)) + die("Invalid SHA1 in tag: %s", command_buf.buf); + break; + case OBJ_COMMIT: + if (size < hexsz + strlen("tree ") || + get_oid_hex(buf + strlen("tree "), oid)) + die("Invalid SHA1 in commit: %s", command_buf.buf); + } + + free(buf); + return find_object(oid); +} + +static void insert_mapped_mark(uintmax_t mark, void *object, void *cbp) +{ + struct object_id *fromoid = object; + struct object_id *tooid = find_mark(cbp, mark); + int ret; + khiter_t it; + + it = kh_put_oid_map(sub_oid_map, *fromoid, &ret); + /* We've already seen this object. */ + if (ret == 0) + return; + kh_value(sub_oid_map, it) = tooid; +} + +static void build_mark_map_one(struct mark_set *from, struct mark_set *to) +{ + for_each_mark(from, 0, insert_mapped_mark, to); +} + +static void build_mark_map(struct string_list *from, struct string_list *to) +{ + struct string_list_item *fromp, *top; + + sub_oid_map = kh_init_oid_map(); + + for_each_string_list_item(fromp, from) { + top = string_list_lookup(to, fromp->string); + if (!fromp->util) { + die(_("Missing from marks for submodule '%s'"), fromp->string); + } else if (!top || !top->util) { + die(_("Missing to marks for submodule '%s'"), fromp->string); + } + build_mark_map_one(fromp->util, top->util); + } +} + +static struct object_entry *parse_treeish_dataref(const char **p) +{ + struct object_id oid; + struct object_entry *e; + + if (**p == ':') { /* <mark> */ + e = find_mark(marks, parse_mark_ref_space(p)); + if (!e) + die("Unknown mark: %s", command_buf.buf); + oidcpy(&oid, &e->idx.oid); + } else { /* <sha1> */ + if (parse_mapped_oid_hex(*p, &oid, p)) + die("Invalid dataref: %s", command_buf.buf); + e = find_object(&oid); + if (*(*p)++ != ' ') + die("Missing space after tree-ish: %s", command_buf.buf); + } + + while (!e || e->type != OBJ_TREE) + e = dereference(e, &oid); + return e; +} + +static void print_ls(int mode, const unsigned char *hash, const char *path) +{ + static struct strbuf line = STRBUF_INIT; + + /* See show_tree(). */ + const char *type = + S_ISGITLINK(mode) ? commit_type : + S_ISDIR(mode) ? tree_type : + blob_type; + + if (!mode) { + /* missing SP path LF */ + strbuf_reset(&line); + strbuf_addstr(&line, "missing "); + quote_c_style(path, &line, NULL, 0); + strbuf_addch(&line, '\n'); + } else { + /* mode SP type SP object_name TAB path LF */ + strbuf_reset(&line); + strbuf_addf(&line, "%06o %s %s\t", + mode & ~NO_DELTA, type, hash_to_hex(hash)); + quote_c_style(path, &line, NULL, 0); + strbuf_addch(&line, '\n'); + } + cat_blob_write(line.buf, line.len); +} + +static void parse_ls(const char *p, struct branch *b) +{ + struct tree_entry *root = NULL; + struct tree_entry leaf = {NULL}; + + /* ls SP (<tree-ish> SP)? <path> */ + if (*p == '"') { + if (!b) + die("Not in a commit: %s", command_buf.buf); + root = &b->branch_tree; + } else { + struct object_entry *e = parse_treeish_dataref(&p); + root = new_tree_entry(); + oidcpy(&root->versions[1].oid, &e->idx.oid); + if (!is_null_oid(&root->versions[1].oid)) + root->versions[1].mode = S_IFDIR; + load_tree(root); + } + if (*p == '"') { + static struct strbuf uq = STRBUF_INIT; + const char *endp; + strbuf_reset(&uq); + if (unquote_c_style(&uq, p, &endp)) + die("Invalid path: %s", command_buf.buf); + if (*endp) + die("Garbage after path in: %s", command_buf.buf); + p = uq.buf; + } + tree_content_get(root, p, &leaf, 1); + /* + * A directory in preparation would have a sha1 of zero + * until it is saved. Save, for simplicity. + */ + if (S_ISDIR(leaf.versions[1].mode)) + store_tree(&leaf); + + print_ls(leaf.versions[1].mode, leaf.versions[1].oid.hash, p); + if (leaf.tree) + release_tree_content_recursive(leaf.tree); + if (!b || root != &b->branch_tree) + release_tree_entry(root); +} + +static void checkpoint(void) +{ + checkpoint_requested = 0; + if (object_count) { + cycle_packfile(); + } + dump_branches(); + dump_tags(); + dump_marks(); +} + +static void parse_checkpoint(void) +{ + checkpoint_requested = 1; + skip_optional_lf(); +} + +static void parse_progress(void) +{ + fwrite(command_buf.buf, 1, command_buf.len, stdout); + fputc('\n', stdout); + fflush(stdout); + skip_optional_lf(); +} + +static void parse_alias(void) +{ + struct object_entry *e; + struct branch b; + + skip_optional_lf(); + read_next_command(); + + /* mark ... */ + parse_mark(); + if (!next_mark) + die(_("Expected 'mark' command, got %s"), command_buf.buf); + + /* to ... */ + memset(&b, 0, sizeof(b)); + if (!parse_objectish_with_prefix(&b, "to ")) + die(_("Expected 'to' command, got %s"), command_buf.buf); + e = find_object(&b.oid); + assert(e); + insert_mark(&marks, next_mark, e); +} + +static char* make_fast_import_path(const char *path) +{ + if (!relative_marks_paths || is_absolute_path(path)) + return xstrdup(path); + return git_pathdup("info/fast-import/%s", path); +} + +static void option_import_marks(const char *marks, + int from_stream, int ignore_missing) +{ + if (import_marks_file) { + if (from_stream) + die("Only one import-marks command allowed per stream"); + + /* read previous mark file */ + if(!import_marks_file_from_stream) + read_marks(); + } + + import_marks_file = make_fast_import_path(marks); + import_marks_file_from_stream = from_stream; + import_marks_file_ignore_missing = ignore_missing; +} + +static void option_date_format(const char *fmt) +{ + if (!strcmp(fmt, "raw")) + whenspec = WHENSPEC_RAW; + else if (!strcmp(fmt, "raw-permissive")) + whenspec = WHENSPEC_RAW_PERMISSIVE; + else if (!strcmp(fmt, "rfc2822")) + whenspec = WHENSPEC_RFC2822; + else if (!strcmp(fmt, "now")) + whenspec = WHENSPEC_NOW; + else + die("unknown --date-format argument %s", fmt); +} + +static unsigned long ulong_arg(const char *option, const char *arg) +{ + char *endptr; + unsigned long rv = strtoul(arg, &endptr, 0); + if (strchr(arg, '-') || endptr == arg || *endptr) + die("%s: argument must be a non-negative integer", option); + return rv; +} + +static void option_depth(const char *depth) +{ + max_depth = ulong_arg("--depth", depth); + if (max_depth > MAX_DEPTH) + die("--depth cannot exceed %u", MAX_DEPTH); +} + +static void option_active_branches(const char *branches) +{ + max_active_branches = ulong_arg("--active-branches", branches); +} + +static void option_export_marks(const char *marks) +{ + export_marks_file = make_fast_import_path(marks); +} + +static void option_cat_blob_fd(const char *fd) +{ + unsigned long n = ulong_arg("--cat-blob-fd", fd); + if (n > (unsigned long) INT_MAX) + die("--cat-blob-fd cannot exceed %d", INT_MAX); + cat_blob_fd = (int) n; +} + +static void option_export_pack_edges(const char *edges) +{ + if (pack_edges) + fclose(pack_edges); + pack_edges = xfopen(edges, "a"); +} + +static void option_rewrite_submodules(const char *arg, struct string_list *list) +{ + struct mark_set *ms; + FILE *fp; + char *s = xstrdup(arg); + char *f = strchr(s, ':'); + if (!f) + die(_("Expected format name:filename for submodule rewrite option")); + *f = '\0'; + f++; + CALLOC_ARRAY(ms, 1); + + fp = fopen(f, "r"); + if (!fp) + die_errno("cannot read '%s'", f); + read_mark_file(&ms, fp, insert_oid_entry); + fclose(fp); + + string_list_insert(list, s)->util = ms; +} + +static int parse_one_option(const char *option) +{ + if (skip_prefix(option, "max-pack-size=", &option)) { + unsigned long v; + if (!git_parse_ulong(option, &v)) + return 0; + if (v < 8192) { + warning("max-pack-size is now in bytes, assuming --max-pack-size=%lum", v); + v *= 1024 * 1024; + } else if (v < 1024 * 1024) { + warning("minimum max-pack-size is 1 MiB"); + v = 1024 * 1024; + } + max_packsize = v; + } else if (skip_prefix(option, "big-file-threshold=", &option)) { + unsigned long v; + if (!git_parse_ulong(option, &v)) + return 0; + big_file_threshold = v; + } else if (skip_prefix(option, "depth=", &option)) { + option_depth(option); + } else if (skip_prefix(option, "active-branches=", &option)) { + option_active_branches(option); + } else if (skip_prefix(option, "export-pack-edges=", &option)) { + option_export_pack_edges(option); + } else if (!strcmp(option, "quiet")) { + show_stats = 0; + } else if (!strcmp(option, "stats")) { + show_stats = 1; + } else if (!strcmp(option, "allow-unsafe-features")) { + ; /* already handled during early option parsing */ + } else { + return 0; + } + + return 1; +} + +static void check_unsafe_feature(const char *feature, int from_stream) +{ + if (from_stream && !allow_unsafe_features) + die(_("feature '%s' forbidden in input without --allow-unsafe-features"), + feature); +} + +static int parse_one_feature(const char *feature, int from_stream) +{ + const char *arg; + + if (skip_prefix(feature, "date-format=", &arg)) { + option_date_format(arg); + } else if (skip_prefix(feature, "import-marks=", &arg)) { + check_unsafe_feature("import-marks", from_stream); + option_import_marks(arg, from_stream, 0); + } else if (skip_prefix(feature, "import-marks-if-exists=", &arg)) { + check_unsafe_feature("import-marks-if-exists", from_stream); + option_import_marks(arg, from_stream, 1); + } else if (skip_prefix(feature, "export-marks=", &arg)) { + check_unsafe_feature(feature, from_stream); + option_export_marks(arg); + } else if (!strcmp(feature, "alias")) { + ; /* Don't die - this feature is supported */ + } else if (skip_prefix(feature, "rewrite-submodules-to=", &arg)) { + option_rewrite_submodules(arg, &sub_marks_to); + } else if (skip_prefix(feature, "rewrite-submodules-from=", &arg)) { + option_rewrite_submodules(arg, &sub_marks_from); + } else if (!strcmp(feature, "get-mark")) { + ; /* Don't die - this feature is supported */ + } else if (!strcmp(feature, "cat-blob")) { + ; /* Don't die - this feature is supported */ + } else if (!strcmp(feature, "relative-marks")) { + relative_marks_paths = 1; + } else if (!strcmp(feature, "no-relative-marks")) { + relative_marks_paths = 0; + } else if (!strcmp(feature, "done")) { + require_explicit_termination = 1; + } else if (!strcmp(feature, "force")) { + force_update = 1; + } else if (!strcmp(feature, "notes") || !strcmp(feature, "ls")) { + ; /* do nothing; we have the feature */ + } else { + return 0; + } + + return 1; +} + +static void parse_feature(const char *feature) +{ + if (seen_data_command) + die("Got feature command '%s' after data command", feature); + + if (parse_one_feature(feature, 1)) + return; + + die("This version of fast-import does not support feature %s.", feature); +} + +static void parse_option(const char *option) +{ + if (seen_data_command) + die("Got option command '%s' after data command", option); + + if (parse_one_option(option)) + return; + + die("This version of fast-import does not support option: %s", option); +} + +static void git_pack_config(void) +{ + int indexversion_value; + int limit; + unsigned long packsizelimit_value; + + if (!git_config_get_ulong("pack.depth", &max_depth)) { + if (max_depth > MAX_DEPTH) + max_depth = MAX_DEPTH; + } + if (!git_config_get_int("pack.indexversion", &indexversion_value)) { + pack_idx_opts.version = indexversion_value; + if (pack_idx_opts.version > 2) + git_die_config("pack.indexversion", + "bad pack.indexversion=%"PRIu32, pack_idx_opts.version); + } + if (!git_config_get_ulong("pack.packsizelimit", &packsizelimit_value)) + max_packsize = packsizelimit_value; + + if (!git_config_get_int("fastimport.unpacklimit", &limit)) + unpack_limit = limit; + else if (!git_config_get_int("transfer.unpacklimit", &limit)) + unpack_limit = limit; + + git_config(git_default_config, NULL); +} + +static const char fast_import_usage[] = +"git fast-import [--date-format=<f>] [--max-pack-size=<n>] [--big-file-threshold=<n>] [--depth=<n>] [--active-branches=<n>] [--export-marks=<marks.file>]"; + +static void parse_argv(void) +{ + unsigned int i; + + for (i = 1; i < global_argc; i++) { + const char *a = global_argv[i]; + + if (*a != '-' || !strcmp(a, "--")) + break; + + if (!skip_prefix(a, "--", &a)) + die("unknown option %s", a); + + if (parse_one_option(a)) + continue; + + if (parse_one_feature(a, 0)) + continue; + + if (skip_prefix(a, "cat-blob-fd=", &a)) { + option_cat_blob_fd(a); + continue; + } + + die("unknown option --%s", a); + } + if (i != global_argc) + usage(fast_import_usage); + + seen_data_command = 1; + if (import_marks_file) + read_marks(); + build_mark_map(&sub_marks_from, &sub_marks_to); +} + +int cmd_fast_import(int argc, const char **argv, const char *prefix) +{ + unsigned int i; + + if (argc == 2 && !strcmp(argv[1], "-h")) + usage(fast_import_usage); + + reset_pack_idx_option(&pack_idx_opts); + git_pack_config(); + + alloc_objects(object_entry_alloc); + strbuf_init(&command_buf, 0); + CALLOC_ARRAY(atom_table, atom_table_sz); + CALLOC_ARRAY(branch_table, branch_table_sz); + CALLOC_ARRAY(avail_tree_table, avail_tree_table_sz); + marks = mem_pool_calloc(&fi_mem_pool, 1, sizeof(struct mark_set)); + + hashmap_init(&object_table, object_entry_hashcmp, NULL, 0); + + /* + * We don't parse most options until after we've seen the set of + * "feature" lines at the start of the stream (which allows the command + * line to override stream data). But we must do an early parse of any + * command-line options that impact how we interpret the feature lines. + */ + for (i = 1; i < argc; i++) { + const char *arg = argv[i]; + if (*arg != '-' || !strcmp(arg, "--")) + break; + if (!strcmp(arg, "--allow-unsafe-features")) + allow_unsafe_features = 1; + } + + global_argc = argc; + global_argv = argv; + + rc_free = mem_pool_alloc(&fi_mem_pool, cmd_save * sizeof(*rc_free)); + for (i = 0; i < (cmd_save - 1); i++) + rc_free[i].next = &rc_free[i + 1]; + rc_free[cmd_save - 1].next = NULL; + + start_packfile(); + set_die_routine(die_nicely); + set_checkpoint_signal(); + while (read_next_command() != EOF) { + const char *v; + if (!strcmp("blob", command_buf.buf)) + parse_new_blob(); + else if (skip_prefix(command_buf.buf, "commit ", &v)) + parse_new_commit(v); + else if (skip_prefix(command_buf.buf, "tag ", &v)) + parse_new_tag(v); + else if (skip_prefix(command_buf.buf, "reset ", &v)) + parse_reset_branch(v); + else if (skip_prefix(command_buf.buf, "ls ", &v)) + parse_ls(v, NULL); + else if (skip_prefix(command_buf.buf, "cat-blob ", &v)) + parse_cat_blob(v); + else if (skip_prefix(command_buf.buf, "get-mark ", &v)) + parse_get_mark(v); + else if (!strcmp("checkpoint", command_buf.buf)) + parse_checkpoint(); + else if (!strcmp("done", command_buf.buf)) + break; + else if (!strcmp("alias", command_buf.buf)) + parse_alias(); + else if (starts_with(command_buf.buf, "progress ")) + parse_progress(); + else if (skip_prefix(command_buf.buf, "feature ", &v)) + parse_feature(v); + else if (skip_prefix(command_buf.buf, "option git ", &v)) + parse_option(v); + else if (starts_with(command_buf.buf, "option ")) + /* ignore non-git options*/; + else + die("Unsupported command: %s", command_buf.buf); + + if (checkpoint_requested) + checkpoint(); + } + + /* argv hasn't been parsed yet, do so */ + if (!seen_data_command) + parse_argv(); + + if (require_explicit_termination && feof(stdin)) + die("stream ends early"); + + end_packfile(); + + dump_branches(); + dump_tags(); + unkeep_all_packs(); + dump_marks(); + + if (pack_edges) + fclose(pack_edges); + + if (show_stats) { + uintmax_t total_count = 0, duplicate_count = 0; + for (i = 0; i < ARRAY_SIZE(object_count_by_type); i++) + total_count += object_count_by_type[i]; + for (i = 0; i < ARRAY_SIZE(duplicate_count_by_type); i++) + duplicate_count += duplicate_count_by_type[i]; + + fprintf(stderr, "%s statistics:\n", argv[0]); + fprintf(stderr, "---------------------------------------------------------------------\n"); + fprintf(stderr, "Alloc'd objects: %10" PRIuMAX "\n", alloc_count); + fprintf(stderr, "Total objects: %10" PRIuMAX " (%10" PRIuMAX " duplicates )\n", total_count, duplicate_count); + fprintf(stderr, " blobs : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas of %10" PRIuMAX" attempts)\n", object_count_by_type[OBJ_BLOB], duplicate_count_by_type[OBJ_BLOB], delta_count_by_type[OBJ_BLOB], delta_count_attempts_by_type[OBJ_BLOB]); + fprintf(stderr, " trees : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas of %10" PRIuMAX" attempts)\n", object_count_by_type[OBJ_TREE], duplicate_count_by_type[OBJ_TREE], delta_count_by_type[OBJ_TREE], delta_count_attempts_by_type[OBJ_TREE]); + fprintf(stderr, " commits: %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas of %10" PRIuMAX" attempts)\n", object_count_by_type[OBJ_COMMIT], duplicate_count_by_type[OBJ_COMMIT], delta_count_by_type[OBJ_COMMIT], delta_count_attempts_by_type[OBJ_COMMIT]); + fprintf(stderr, " tags : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas of %10" PRIuMAX" attempts)\n", object_count_by_type[OBJ_TAG], duplicate_count_by_type[OBJ_TAG], delta_count_by_type[OBJ_TAG], delta_count_attempts_by_type[OBJ_TAG]); + fprintf(stderr, "Total branches: %10lu (%10lu loads )\n", branch_count, branch_load_count); + fprintf(stderr, " marks: %10" PRIuMAX " (%10" PRIuMAX " unique )\n", (((uintmax_t)1) << marks->shift) * 1024, marks_set_count); + fprintf(stderr, " atoms: %10u\n", atom_cnt); + fprintf(stderr, "Memory total: %10" PRIuMAX " KiB\n", (tree_entry_allocd + fi_mem_pool.pool_alloc + alloc_count*sizeof(struct object_entry))/1024); + fprintf(stderr, " pools: %10lu KiB\n", (unsigned long)((tree_entry_allocd + fi_mem_pool.pool_alloc) /1024)); + fprintf(stderr, " objects: %10" PRIuMAX " KiB\n", (alloc_count*sizeof(struct object_entry))/1024); + fprintf(stderr, "---------------------------------------------------------------------\n"); + pack_report(); + fprintf(stderr, "---------------------------------------------------------------------\n"); + fprintf(stderr, "\n"); + } + + return failure ? 1 : 0; +} diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c index dc1485c8aa..c2d96f4c89 100644 --- a/builtin/fetch-pack.c +++ b/builtin/fetch-pack.c @@ -3,7 +3,7 @@ #include "fetch-pack.h" #include "remote.h" #include "connect.h" -#include "sha1-array.h" +#include "oid-array.h" #include "protocol.h" static const char fetch_pack_usage[] = @@ -48,8 +48,8 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) struct ref **sought = NULL; int nr_sought = 0, alloc_sought = 0; int fd[2]; - char *pack_lockfile = NULL; - char **pack_lockfile_ptr = NULL; + struct string_list pack_lockfiles = STRING_LIST_INIT_DUP; + struct string_list *pack_lockfiles_ptr = NULL; struct child_process *conn; struct fetch_pack_args args; struct oid_array shallow = OID_ARRAY_INIT; @@ -134,7 +134,7 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) } if (!strcmp("--lock-pack", arg)) { args.lock_pack = 1; - pack_lockfile_ptr = &pack_lockfile; + pack_lockfiles_ptr = &pack_lockfiles; continue; } if (!strcmp("--check-self-contained-and-connected", arg)) { @@ -153,10 +153,6 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) args.from_promisor = 1; continue; } - if (!strcmp("--no-dependents", arg)) { - args.no_dependents = 1; - continue; - } if (skip_prefix(arg, ("--" CL_ARG__FILTER "="), &arg)) { parse_list_objects_filter(&args.filter_options, arg); continue; @@ -224,7 +220,8 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) version = discover_version(&reader); switch (version) { case protocol_v2: - get_remote_refs(fd[1], &reader, &ref, 0, NULL, NULL); + get_remote_refs(fd[1], &reader, &ref, 0, NULL, NULL, + args.stateless_rpc); break; case protocol_v1: case protocol_v0: @@ -235,10 +232,15 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) } ref = fetch_pack(&args, fd, ref, sought, nr_sought, - &shallow, pack_lockfile_ptr, version); - if (pack_lockfile) { - printf("lock %s\n", pack_lockfile); + &shallow, pack_lockfiles_ptr, version); + if (pack_lockfiles.nr) { + int i; + + printf("lock %s\n", pack_lockfiles.items[0].string); fflush(stdout); + for (i = 1; i < pack_lockfiles.nr; i++) + warning(_("Lockfile created but not reported: %s"), + pack_lockfiles.items[i].string); } if (args.check_self_contained_and_connected && args.self_contained_and_connected) { diff --git a/builtin/fetch.c b/builtin/fetch.c index c9b92b1e52..e064687dbd 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -7,6 +7,7 @@ #include "refs.h" #include "refspec.h" #include "object-store.h" +#include "oidset.h" #include "commit.h" #include "builtin.h" #include "string-list.h" @@ -18,11 +19,17 @@ #include "submodule-config.h" #include "submodule.h" #include "connected.h" -#include "argv-array.h" +#include "strvec.h" #include "utf8.h" #include "packfile.h" #include "list-objects-filter-options.h" #include "commit-reach.h" +#include "branch.h" +#include "promisor-remote.h" +#include "commit-graph.h" +#include "shallow.h" + +#define FORCED_UPDATES_DELAY_WARNING_IN_MS (10 * 1000) static const char * const builtin_fetch_usage[] = { N_("git fetch [<options>] [<repository> [<refspec>...]]"), @@ -39,6 +46,9 @@ enum { }; static int fetch_prune_config = -1; /* unspecified */ +static int fetch_show_forced_updates = 1; +static uint64_t forced_updates_ms = 0; +static int prefetch = 0; static int prune = -1; /* unspecified */ #define PRUNE_BY_DEFAULT 0 /* do we prune by default? */ @@ -46,10 +56,15 @@ static int fetch_prune_tags_config = -1; /* unspecified */ static int prune_tags = -1; /* unspecified */ #define PRUNE_TAGS_BY_DEFAULT 0 /* do we prune tags by default? */ -static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity, deepen_relative; +static int all, append, dry_run, force, keep, multiple, update_head_ok; +static int write_fetch_head = 1; +static int verbosity, deepen_relative, set_upstream; static int progress = -1; +static int enable_auto_gc = 1; static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen; -static int max_children = 1; +static int max_jobs = -1, submodule_fetch_jobs_config = -1; +static int fetch_parallel_config = 1; +static int atomic_fetch; static enum transport_family family; static const char *depth; static const char *deepen_since; @@ -66,6 +81,9 @@ static struct refspec refmap = REFSPEC_INIT_FETCH; static struct list_objects_filter_options filter_options; static struct string_list server_options = STRING_LIST_INIT_DUP; static struct string_list negotiation_tip = STRING_LIST_INIT_NODUP; +static int fetch_write_commit_graph = -1; +static int stdin_refspecs = 0; +static int negotiate_only; static int git_fetch_config(const char *k, const char *v, void *cb) { @@ -79,6 +97,11 @@ static int git_fetch_config(const char *k, const char *v, void *cb) return 0; } + if (!strcmp(k, "fetch.showforcedupdates")) { + fetch_show_forced_updates = git_config_bool(k, v); + return 0; + } + if (!strcmp(k, "submodule.recurse")) { int r = git_config_bool(k, v) ? RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF; @@ -86,13 +109,20 @@ static int git_fetch_config(const char *k, const char *v, void *cb) } if (!strcmp(k, "submodule.fetchjobs")) { - max_children = parse_submodule_fetchjobs(k, v); + submodule_fetch_jobs_config = parse_submodule_fetchjobs(k, v); return 0; } else if (!strcmp(k, "fetch.recursesubmodules")) { recurse_submodules = parse_fetch_recurse_submodules_arg(k, v); return 0; } + if (!strcmp(k, "fetch.parallel")) { + fetch_parallel_config = git_config_int(k, v); + if (fetch_parallel_config < 0) + die(_("fetch.parallel cannot be negative")); + return 0; + } + return git_default_config(k, v, cb); } @@ -113,8 +143,12 @@ static struct option builtin_fetch_options[] = { OPT__VERBOSITY(&verbosity), OPT_BOOL(0, "all", &all, N_("fetch from all remotes")), + OPT_BOOL(0, "set-upstream", &set_upstream, + N_("set upstream for git pull/fetch")), OPT_BOOL('a', "append", &append, N_("append to .git/FETCH_HEAD instead of overwriting")), + OPT_BOOL(0, "atomic", &atomic_fetch, + N_("use atomic transaction to update references")), OPT_STRING(0, "upload-pack", &upload_pack, N_("path"), N_("path to upload pack on remote end")), OPT__FORCE(&force, N_("force overwrite of local reference"), 0), @@ -124,17 +158,21 @@ static struct option builtin_fetch_options[] = { N_("fetch all tags and associated objects"), TAGS_SET), OPT_SET_INT('n', NULL, &tags, N_("do not fetch all tags (--no-tags)"), TAGS_UNSET), - OPT_INTEGER('j', "jobs", &max_children, + OPT_INTEGER('j', "jobs", &max_jobs, N_("number of submodules fetched in parallel")), + OPT_BOOL(0, "prefetch", &prefetch, + N_("modify the refspec to place all refs within refs/prefetch/")), OPT_BOOL('p', "prune", &prune, N_("prune remote-tracking branches no longer on remote")), OPT_BOOL('P', "prune-tags", &prune_tags, N_("prune local tags no longer on remote and clobber changed tags")), - { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules, N_("on-demand"), + OPT_CALLBACK_F(0, "recurse-submodules", &recurse_submodules, N_("on-demand"), N_("control recursive fetching of submodules"), - PARSE_OPT_OPTARG, option_fetch_parse_recurse_submodules }, + PARSE_OPT_OPTARG, option_fetch_parse_recurse_submodules), OPT_BOOL(0, "dry-run", &dry_run, N_("dry run")), + OPT_BOOL(0, "write-fetch-head", &write_fetch_head, + N_("write fetched references to the FETCH_HEAD file")), OPT_BOOL('k', "keep", &keep, N_("keep downloaded pack")), OPT_BOOL('u', "update-head-ok", &update_head_ok, N_("allow updating of HEAD ref")), @@ -152,15 +190,15 @@ static struct option builtin_fetch_options[] = { 1, PARSE_OPT_NONEG), { OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, N_("dir"), N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN }, - { OPTION_CALLBACK, 0, "recurse-submodules-default", + OPT_CALLBACK_F(0, "recurse-submodules-default", &recurse_submodules_default, N_("on-demand"), N_("default for recursive fetching of submodules " "(lower priority than config files)"), - PARSE_OPT_HIDDEN, option_fetch_parse_recurse_submodules }, + PARSE_OPT_HIDDEN, option_fetch_parse_recurse_submodules), OPT_BOOL(0, "update-shallow", &update_shallow, N_("accept refs that update .git/shallow")), - { OPTION_CALLBACK, 0, "refmap", NULL, N_("refmap"), - N_("specify fetch refmap"), PARSE_OPT_NONEG, parse_refmap_arg }, + OPT_CALLBACK_F(0, "refmap", NULL, N_("refmap"), + N_("specify fetch refmap"), PARSE_OPT_NONEG, parse_refmap_arg), OPT_STRING_LIST('o', "server-option", &server_options, N_("server-specific"), N_("option to transmit")), OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"), TRANSPORT_FAMILY_IPV4), @@ -168,7 +206,19 @@ static struct option builtin_fetch_options[] = { TRANSPORT_FAMILY_IPV6), OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip, N_("revision"), N_("report that we have only objects reachable from this object")), + OPT_BOOL(0, "negotiate-only", &negotiate_only, + N_("do not fetch a packfile; instead, print ancestors of negotiation tips")), OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options), + OPT_BOOL(0, "auto-maintenance", &enable_auto_gc, + N_("run 'maintenance --auto' after fetching")), + OPT_BOOL(0, "auto-gc", &enable_auto_gc, + N_("run 'maintenance --auto' after fetching")), + OPT_BOOL(0, "show-forced-updates", &fetch_show_forced_updates, + N_("check for forced-updates on all updated branches")), + OPT_BOOL(0, "write-commit-graph", &fetch_write_commit_graph, + N_("write the commit-graph after fetching")), + OPT_BOOL(0, "stdin", &stdin_refspecs, + N_("accept refspecs from stdin")), OPT_END() }; @@ -225,32 +275,31 @@ static void add_merge_config(struct ref **head, } } -static int will_fetch(struct ref **head, const unsigned char *sha1) +static void create_fetch_oidset(struct ref **head, struct oidset *out) { struct ref *rm = *head; while (rm) { - if (hasheq(rm->old_oid.hash, sha1)) - return 1; + oidset_insert(out, &rm->old_oid); rm = rm->next; } - return 0; } struct refname_hash_entry { - struct hashmap_entry ent; /* must be the first member */ + struct hashmap_entry ent; struct object_id oid; int ignore; char refname[FLEX_ARRAY]; }; static int refname_hash_entry_cmp(const void *hashmap_cmp_fn_data, - const void *e1_, - const void *e2_, + const struct hashmap_entry *eptr, + const struct hashmap_entry *entry_or_key, const void *keydata) { - const struct refname_hash_entry *e1 = e1_; - const struct refname_hash_entry *e2 = e2_; + const struct refname_hash_entry *e1, *e2; + e1 = container_of(eptr, const struct refname_hash_entry, ent); + e2 = container_of(entry_or_key, const struct refname_hash_entry, ent); return strcmp(e1->refname, keydata ? keydata : e2->refname); } @@ -262,9 +311,9 @@ static struct refname_hash_entry *refname_hash_add(struct hashmap *map, size_t len = strlen(refname); FLEX_ALLOC_MEM(ent, refname, refname, len); - hashmap_entry_init(ent, strhash(refname)); + hashmap_entry_init(&ent->ent, strhash(refname)); oidcpy(&ent->oid, oid); - hashmap_add(map, ent); + hashmap_add(map, &ent->ent); return ent; } @@ -299,13 +348,16 @@ static void find_non_local_tags(const struct ref *refs, { struct hashmap existing_refs; struct hashmap remote_refs; + struct oidset fetch_oids = OIDSET_INIT; struct string_list remote_refs_list = STRING_LIST_INIT_NODUP; struct string_list_item *remote_ref_item; const struct ref *ref; struct refname_hash_entry *item = NULL; + const int quick_flags = OBJECT_INFO_QUICK | OBJECT_INFO_SKIP_FETCH_OBJECT; refname_hash_init(&existing_refs); refname_hash_init(&remote_refs); + create_fetch_oidset(head, &fetch_oids); for_each_ref(add_one_refname, &existing_refs); for (ref = refs; ref; ref = ref->next) { @@ -320,11 +372,10 @@ static void find_non_local_tags(const struct ref *refs, */ if (ends_with(ref->name, "^{}")) { if (item && - !has_object_file_with_flags(&ref->old_oid, - OBJECT_INFO_QUICK) && - !will_fetch(head, ref->old_oid.hash) && - !has_object_file_with_flags(&item->oid, OBJECT_INFO_QUICK) && - !will_fetch(head, item->oid.hash)) + !has_object_file_with_flags(&ref->old_oid, quick_flags) && + !oidset_contains(&fetch_oids, &ref->old_oid) && + !has_object_file_with_flags(&item->oid, quick_flags) && + !oidset_contains(&fetch_oids, &item->oid)) clear_item(item); item = NULL; continue; @@ -337,8 +388,8 @@ static void find_non_local_tags(const struct ref *refs, * fetch. */ if (item && - !has_object_file_with_flags(&item->oid, OBJECT_INFO_QUICK) && - !will_fetch(head, item->oid.hash)) + !has_object_file_with_flags(&item->oid, quick_flags) && + !oidset_contains(&fetch_oids, &item->oid)) clear_item(item); item = NULL; @@ -351,15 +402,15 @@ static void find_non_local_tags(const struct ref *refs, item = refname_hash_add(&remote_refs, ref->name, &ref->old_oid); string_list_insert(&remote_refs_list, ref->name); } - hashmap_free(&existing_refs, 1); + hashmap_clear_and_free(&existing_refs, struct refname_hash_entry, ent); /* * We may have a final lightweight tag that needs to be * checked to see if it needs fetching. */ if (item && - !has_object_file_with_flags(&item->oid, OBJECT_INFO_QUICK) && - !will_fetch(head, item->oid.hash)) + !has_object_file_with_flags(&item->oid, quick_flags) && + !oidset_contains(&fetch_oids, &item->oid)) clear_item(item); /* @@ -369,8 +420,10 @@ static void find_non_local_tags(const struct ref *refs, for_each_string_list_item(remote_ref_item, &remote_refs_list) { const char *refname = remote_ref_item->string; struct ref *rm; + unsigned int hash = strhash(refname); - item = hashmap_get_from_hash(&remote_refs, strhash(refname), refname); + item = hashmap_get_entry_from_hash(&remote_refs, hash, refname, + struct refname_hash_entry, ent); if (!item) BUG("unseen remote ref?"); @@ -384,8 +437,59 @@ static void find_non_local_tags(const struct ref *refs, **tail = rm; *tail = &rm->next; } - hashmap_free(&remote_refs, 1); + hashmap_clear_and_free(&remote_refs, struct refname_hash_entry, ent); string_list_clear(&remote_refs_list, 0); + oidset_clear(&fetch_oids); +} + +static void filter_prefetch_refspec(struct refspec *rs) +{ + int i; + + if (!prefetch) + return; + + for (i = 0; i < rs->nr; i++) { + struct strbuf new_dst = STRBUF_INIT; + char *old_dst; + const char *sub = NULL; + + if (rs->items[i].negative) + continue; + if (!rs->items[i].dst || + (rs->items[i].src && + !strncmp(rs->items[i].src, "refs/tags/", 10))) { + int j; + + free(rs->items[i].src); + free(rs->items[i].dst); + + for (j = i + 1; j < rs->nr; j++) { + rs->items[j - 1] = rs->items[j]; + rs->raw[j - 1] = rs->raw[j]; + } + rs->nr--; + i--; + continue; + } + + old_dst = rs->items[i].dst; + strbuf_addstr(&new_dst, "refs/prefetch/"); + + /* + * If old_dst starts with "refs/", then place + * sub after that prefix. Otherwise, start at + * the beginning of the string. + */ + if (!skip_prefix(old_dst, "refs/", &sub)) + sub = old_dst; + strbuf_addstr(&new_dst, sub); + + rs->items[i].dst = strbuf_detach(&new_dst, NULL); + rs->items[i].force = 1; + + free(old_dst); + } } static struct ref *get_ref_map(struct remote *remote, @@ -402,6 +506,11 @@ static struct ref *get_ref_map(struct remote *remote, struct ref *orefs = NULL, **oref_tail = &orefs; struct hashmap existing_refs; + int existing_refs_populated = 0; + + filter_prefetch_refspec(rs); + if (remote) + filter_prefetch_refspec(&remote->fetch); if (rs->nr) { struct refspec *fetch_refspec; @@ -471,7 +580,7 @@ static struct ref *get_ref_map(struct remote *remote, if (has_merge && !strcmp(branch->remote_name, remote->name)) add_merge_config(&ref_map, remote_refs, branch, &tail); - } else { + } else if (!prefetch) { ref_map = get_remote_ref(remote_refs, "HEAD"); if (!ref_map) die(_("Couldn't find remote ref HEAD")); @@ -493,26 +602,41 @@ static struct ref *get_ref_map(struct remote *remote, tail = &rm->next; } - ref_map = ref_remove_duplicates(ref_map); + /* + * apply negative refspecs first, before we remove duplicates. This is + * necessary as negative refspecs might remove an otherwise conflicting + * duplicate. + */ + if (rs->nr) + ref_map = apply_negative_refspecs(ref_map, rs); + else + ref_map = apply_negative_refspecs(ref_map, &remote->fetch); - refname_hash_init(&existing_refs); - for_each_ref(add_one_refname, &existing_refs); + ref_map = ref_remove_duplicates(ref_map); for (rm = ref_map; rm; rm = rm->next) { if (rm->peer_ref) { const char *refname = rm->peer_ref->name; struct refname_hash_entry *peer_item; + unsigned int hash = strhash(refname); + + if (!existing_refs_populated) { + refname_hash_init(&existing_refs); + for_each_ref(add_one_refname, &existing_refs); + existing_refs_populated = 1; + } - peer_item = hashmap_get_from_hash(&existing_refs, - strhash(refname), - refname); + peer_item = hashmap_get_entry_from_hash(&existing_refs, + hash, refname, + struct refname_hash_entry, ent); if (peer_item) { struct object_id *old_oid = &peer_item->oid; oidcpy(&rm->peer_ref->old_oid, old_oid); } } } - hashmap_free(&existing_refs, 1); + if (existing_refs_populated) + hashmap_clear_and_free(&existing_refs, struct refname_hash_entry, ent); return ref_map; } @@ -522,13 +646,14 @@ static struct ref *get_ref_map(struct remote *remote, static int s_update_ref(const char *action, struct ref *ref, + struct ref_transaction *transaction, int check_old) { char *msg; char *rla = getenv("GIT_REFLOG_ACTION"); - struct ref_transaction *transaction; + struct ref_transaction *our_transaction = NULL; struct strbuf err = STRBUF_INIT; - int ret, df_conflict = 0; + int ret; if (dry_run) return 0; @@ -536,31 +661,47 @@ static int s_update_ref(const char *action, rla = default_rla.buf; msg = xstrfmt("%s: %s", rla, action); - transaction = ref_transaction_begin(&err); - if (!transaction || - ref_transaction_update(transaction, ref->name, - &ref->new_oid, - check_old ? &ref->old_oid : NULL, - 0, msg, &err)) - goto fail; + /* + * If no transaction was passed to us, we manage the transaction + * ourselves. Otherwise, we trust the caller to handle the transaction + * lifecycle. + */ + if (!transaction) { + transaction = our_transaction = ref_transaction_begin(&err); + if (!transaction) { + ret = STORE_REF_ERROR_OTHER; + goto out; + } + } - ret = ref_transaction_commit(transaction, &err); + ret = ref_transaction_update(transaction, ref->name, &ref->new_oid, + check_old ? &ref->old_oid : NULL, + 0, msg, &err); if (ret) { - df_conflict = (ret == TRANSACTION_NAME_CONFLICT); - goto fail; + ret = STORE_REF_ERROR_OTHER; + goto out; } - ref_transaction_free(transaction); - strbuf_release(&err); - free(msg); - return 0; -fail: - ref_transaction_free(transaction); - error("%s", err.buf); + if (our_transaction) { + switch (ref_transaction_commit(our_transaction, &err)) { + case 0: + break; + case TRANSACTION_NAME_CONFLICT: + ret = STORE_REF_ERROR_DF_CONFLICT; + goto out; + default: + ret = STORE_REF_ERROR_OTHER; + goto out; + } + } + +out: + ref_transaction_free(our_transaction); + if (ret) + error("%s", err.buf); strbuf_release(&err); free(msg); - return df_conflict ? STORE_REF_ERROR_DF_CONFLICT - : STORE_REF_ERROR_OTHER; + return ret; } static int refcol_width = 10; @@ -607,7 +748,7 @@ static void prepare_format_display(struct ref *ref_map) struct ref *rm; const char *format = "full"; - git_config_get_string_const("fetch.output", &format); + git_config_get_string_tmp("fetch.output", &format); if (!strcasecmp(format, "full")) compact_format = 0; else if (!strcasecmp(format, "compact")) @@ -698,6 +839,7 @@ static void format_display(struct strbuf *display, char code, } static int update_local_ref(struct ref *ref, + struct ref_transaction *transaction, const char *remote, const struct ref *remote_ref, struct strbuf *display, @@ -707,6 +849,7 @@ static int update_local_ref(struct ref *ref, enum object_type type; struct branch *current_branch = branch_get(NULL); const char *pretty_ref = prettify_refname(ref->name); + int fast_forward = 0; type = oid_object_info(the_repository, &ref->new_oid, NULL); if (type < 0) @@ -737,7 +880,7 @@ static int update_local_ref(struct ref *ref, starts_with(ref->name, "refs/tags/")) { if (force || ref->force) { int r; - r = s_update_ref("updating tag", ref, 0); + r = s_update_ref("updating tag", ref, transaction, 0); format_display(display, r ? '!' : 't', _("[tag update]"), r ? _("unable to update local ref") : NULL, remote, pretty_ref, summary_width); @@ -774,20 +917,29 @@ static int update_local_ref(struct ref *ref, what = _("[new ref]"); } - r = s_update_ref(msg, ref, 0); + r = s_update_ref(msg, ref, transaction, 0); format_display(display, r ? '!' : '*', what, r ? _("unable to update local ref") : NULL, remote, pretty_ref, summary_width); return r; } - if (in_merge_bases(current, updated)) { + if (fetch_show_forced_updates) { + uint64_t t_before = getnanotime(); + fast_forward = in_merge_bases(current, updated); + forced_updates_ms += (getnanotime() - t_before) / 1000000; + } else { + fast_forward = 1; + } + + if (fast_forward) { struct strbuf quickref = STRBUF_INIT; int r; + strbuf_add_unique_abbrev(&quickref, ¤t->object.oid, DEFAULT_ABBREV); strbuf_addstr(&quickref, ".."); strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV); - r = s_update_ref("fast-forward", ref, 1); + r = s_update_ref("fast-forward", ref, transaction, 1); format_display(display, r ? '!' : ' ', quickref.buf, r ? _("unable to update local ref") : NULL, remote, pretty_ref, summary_width); @@ -799,7 +951,7 @@ static int update_local_ref(struct ref *ref, strbuf_add_unique_abbrev(&quickref, ¤t->object.oid, DEFAULT_ABBREV); strbuf_addstr(&quickref, "..."); strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV); - r = s_update_ref("forced-update", ref, 1); + r = s_update_ref("forced-update", ref, transaction, 1); format_display(display, r ? '!' : '+', quickref.buf, r ? _("unable to update local ref") : _("forced update"), remote, pretty_ref, summary_width); @@ -826,23 +978,115 @@ static int iterate_ref_map(void *cb_data, struct object_id *oid) return 0; } +struct fetch_head { + FILE *fp; + struct strbuf buf; +}; + +static int open_fetch_head(struct fetch_head *fetch_head) +{ + const char *filename = git_path_fetch_head(the_repository); + + if (write_fetch_head) { + fetch_head->fp = fopen(filename, "a"); + if (!fetch_head->fp) + return error_errno(_("cannot open %s"), filename); + strbuf_init(&fetch_head->buf, 0); + } else { + fetch_head->fp = NULL; + } + + return 0; +} + +static void append_fetch_head(struct fetch_head *fetch_head, + const struct object_id *old_oid, + enum fetch_head_status fetch_head_status, + const char *note, + const char *url, size_t url_len) +{ + char old_oid_hex[GIT_MAX_HEXSZ + 1]; + const char *merge_status_marker; + size_t i; + + if (!fetch_head->fp) + return; + + switch (fetch_head_status) { + case FETCH_HEAD_NOT_FOR_MERGE: + merge_status_marker = "not-for-merge"; + break; + case FETCH_HEAD_MERGE: + merge_status_marker = ""; + break; + default: + /* do not write anything to FETCH_HEAD */ + return; + } + + strbuf_addf(&fetch_head->buf, "%s\t%s\t%s", + oid_to_hex_r(old_oid_hex, old_oid), merge_status_marker, note); + for (i = 0; i < url_len; ++i) + if ('\n' == url[i]) + strbuf_addstr(&fetch_head->buf, "\\n"); + else + strbuf_addch(&fetch_head->buf, url[i]); + strbuf_addch(&fetch_head->buf, '\n'); + + /* + * When using an atomic fetch, we do not want to update FETCH_HEAD if + * any of the reference updates fails. We thus have to write all + * updates to a buffer first and only commit it as soon as all + * references have been successfully updated. + */ + if (!atomic_fetch) { + strbuf_write(&fetch_head->buf, fetch_head->fp); + strbuf_reset(&fetch_head->buf); + } +} + +static void commit_fetch_head(struct fetch_head *fetch_head) +{ + if (!fetch_head->fp || !atomic_fetch) + return; + strbuf_write(&fetch_head->buf, fetch_head->fp); +} + +static void close_fetch_head(struct fetch_head *fetch_head) +{ + if (!fetch_head->fp) + return; + + fclose(fetch_head->fp); + strbuf_release(&fetch_head->buf); +} + +static const char warn_show_forced_updates[] = +N_("Fetch normally indicates which branches had a forced update,\n" + "but that check has been disabled. To re-enable, use '--show-forced-updates'\n" + "flag or run 'git config fetch.showForcedUpdates true'."); +static const char warn_time_show_forced_updates[] = +N_("It took %.2f seconds to check forced updates. You can use\n" + "'--no-show-forced-updates' or run 'git config fetch.showForcedUpdates false'\n" + " to avoid this check.\n"); + static int store_updated_refs(const char *raw_url, const char *remote_name, int connectivity_checked, struct ref *ref_map) { - FILE *fp; + struct fetch_head fetch_head; struct commit *commit; int url_len, i, rc = 0; - struct strbuf note = STRBUF_INIT; + struct strbuf note = STRBUF_INIT, err = STRBUF_INIT; + struct ref_transaction *transaction = NULL; const char *what, *kind; struct ref *rm; char *url; - const char *filename = dry_run ? "/dev/null" : git_path_fetch_head(the_repository); int want_status; int summary_width = transport_summary_width(ref_map); - fp = fopen(filename, "a"); - if (!fp) - return error_errno(_("cannot open %s"), filename); + rc = open_fetch_head(&fetch_head); + if (rc) + return -1; if (raw_url) url = transport_anonymize_url(raw_url); @@ -850,13 +1094,23 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, url = xstrdup("foreign"); if (!connectivity_checked) { + struct check_connected_options opt = CHECK_CONNECTED_INIT; + rm = ref_map; - if (check_connected(iterate_ref_map, &rm, NULL)) { + if (check_connected(iterate_ref_map, &rm, &opt)) { rc = error(_("%s did not send all necessary objects\n"), url); goto abort; } } + if (atomic_fetch) { + transaction = ref_transaction_begin(&err); + if (!transaction) { + error("%s", err.buf); + goto abort; + } + } + prepare_format_display(ref_map); /* @@ -869,11 +1123,10 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, want_status++) { for (rm = ref_map; rm; rm = rm->next) { struct ref *ref = NULL; - const char *merge_status_marker = ""; if (rm->status == REF_STATUS_REJECT_SHALLOW) { if (want_status == FETCH_HEAD_MERGE) - warning(_("reject %s because shallow roots are not allowed to be updated"), + warning(_("rejected %s because shallow roots are not allowed to be updated"), rm->peer_ref ? rm->peer_ref->name : rm->name); continue; } @@ -894,25 +1147,21 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, ref->force = rm->peer_ref->force; } - if (recurse_submodules != RECURSE_SUBMODULES_OFF) + if (recurse_submodules != RECURSE_SUBMODULES_OFF && + (!rm->peer_ref || !oideq(&ref->old_oid, &ref->new_oid))) { check_for_new_submodule_commits(&rm->old_oid); + } if (!strcmp(rm->name, "HEAD")) { kind = ""; what = ""; } - else if (starts_with(rm->name, "refs/heads/")) { + else if (skip_prefix(rm->name, "refs/heads/", &what)) kind = "branch"; - what = rm->name + 11; - } - else if (starts_with(rm->name, "refs/tags/")) { + else if (skip_prefix(rm->name, "refs/tags/", &what)) kind = "tag"; - what = rm->name + 10; - } - else if (starts_with(rm->name, "refs/remotes/")) { + else if (skip_prefix(rm->name, "refs/remotes/", &what)) kind = "remote-tracking branch"; - what = rm->name + 13; - } else { kind = ""; what = rm->name; @@ -931,37 +1180,27 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, strbuf_addf(¬e, "%s ", kind); strbuf_addf(¬e, "'%s' of ", what); } - switch (rm->fetch_head_status) { - case FETCH_HEAD_NOT_FOR_MERGE: - merge_status_marker = "not-for-merge"; - /* fall-through */ - case FETCH_HEAD_MERGE: - fprintf(fp, "%s\t%s\t%s", - oid_to_hex(&rm->old_oid), - merge_status_marker, - note.buf); - for (i = 0; i < url_len; ++i) - if ('\n' == url[i]) - fputs("\\n", fp); - else - fputc(url[i], fp); - fputc('\n', fp); - break; - default: - /* do not write anything to FETCH_HEAD */ - break; - } + + append_fetch_head(&fetch_head, &rm->old_oid, + rm->fetch_head_status, + note.buf, url, url_len); strbuf_reset(¬e); if (ref) { - rc |= update_local_ref(ref, what, rm, ¬e, - summary_width); + rc |= update_local_ref(ref, transaction, what, + rm, ¬e, summary_width); free(ref); - } else + } else if (write_fetch_head || dry_run) { + /* + * Display fetches written to FETCH_HEAD (or + * would be written to FETCH_HEAD, if --dry-run + * is set). + */ format_display(¬e, '*', *kind ? kind : "branch", NULL, *what ? what : "HEAD", "FETCH_HEAD", summary_width); + } if (note.len) { if (verbosity >= 0 && !shown_url) { fprintf(stderr, _("From %.*s\n"), @@ -974,15 +1213,37 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, } } + if (!rc && transaction) { + rc = ref_transaction_commit(transaction, &err); + if (rc) { + error("%s", err.buf); + goto abort; + } + } + + if (!rc) + commit_fetch_head(&fetch_head); + if (rc & STORE_REF_ERROR_DF_CONFLICT) error(_("some local refs could not be updated; try running\n" " 'git remote prune %s' to remove any old, conflicting " "branches"), remote_name); + if (advice_fetch_show_forced_updates) { + if (!fetch_show_forced_updates) { + warning(_(warn_show_forced_updates)); + } else if (forced_updates_ms > FORCED_UPDATES_DELAY_WARNING_IN_MS) { + warning(_(warn_time_show_forced_updates), + forced_updates_ms / 1000.0); + } + } + abort: strbuf_release(¬e); + strbuf_release(&err); + ref_transaction_free(transaction); free(url); - fclose(fp); + close_fetch_head(&fetch_head); return rc; } @@ -1012,7 +1273,8 @@ static int check_exist_and_connected(struct ref *ref_map) * we need all direct targets to exist. */ for (r = rm; r; r = r->next) { - if (!has_object_file(&r->old_oid)) + if (!has_object_file_with_flags(&r->old_oid, + OBJECT_INFO_SKIP_FETCH_OBJECT)) return -1; } @@ -1023,8 +1285,11 @@ static int check_exist_and_connected(struct ref *ref_map) static int fetch_refs(struct transport *transport, struct ref *ref_map) { int ret = check_exist_and_connected(ref_map); - if (ret) + if (ret) { + trace2_region_enter("fetch", "fetch_refs", the_repository); ret = transport_fetch_refs(transport, ref_map); + trace2_region_leave("fetch", "fetch_refs", the_repository); + } if (!ret) /* * Keep the new pack's ".keep" file around to allow the caller @@ -1040,11 +1305,14 @@ static int consume_refs(struct transport *transport, struct ref *ref_map) { int connectivity_checked = transport->smart_options ? transport->smart_options->connectivity_checked : 0; - int ret = store_updated_refs(transport->url, - transport->remote->name, - connectivity_checked, - ref_map); + int ret; + trace2_region_enter("fetch", "consume_refs", the_repository); + ret = store_updated_refs(transport->url, + transport->remote->name, + connectivity_checked, + ref_map); transport_unlock_pack(transport); + trace2_region_leave("fetch", "consume_refs", the_repository); return ret; } @@ -1160,7 +1428,9 @@ static void add_negotiation_tips(struct git_transport_options *smart_options) if (!has_glob_specials(s)) { struct object_id oid; if (get_oid(s, &oid)) - die("%s is not a valid object", s); + die(_("%s is not a valid object"), s); + if (!has_object(the_repository, &oid, 0)) + die(_("the object %s does not exist"), s); oid_array_append(oids, &oid); continue; } @@ -1196,13 +1466,10 @@ static struct transport *prepare_transport(struct remote *remote, int deepen) if (update_shallow) set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes"); if (filter_options.choice) { - struct strbuf expanded_filter_spec = STRBUF_INIT; - expand_list_objects_filter_spec(&filter_options, - &expanded_filter_spec); - set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER, - expanded_filter_spec.buf); + const char *spec = + expand_list_objects_filter_spec(&filter_options); + set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER, spec); set_option(transport, TRANS_OPT_FROM_PROMISOR, "1"); - strbuf_release(&expanded_filter_spec); } if (negotiation_tip.nr) { if (transport->smart_options) @@ -1250,7 +1517,8 @@ static int do_fetch(struct transport *transport, int autotags = (transport->remote->fetch_tags == 1); int retcode = 0; const struct ref *remote_refs; - struct argv_array ref_prefixes = ARGV_ARRAY_INIT; + struct transport_ls_refs_options transport_ls_refs_options = + TRANSPORT_LS_REFS_OPTIONS_INIT; int must_list_refs = 1; if (tags == TAGS_DEFAULT) { @@ -1261,7 +1529,7 @@ static int do_fetch(struct transport *transport, } /* if not appending, truncate FETCH_HEAD */ - if (!append && !dry_run) { + if (!append && write_fetch_head) { retcode = truncate_fetch_head(); if (retcode) goto cleanup; @@ -1270,7 +1538,7 @@ static int do_fetch(struct transport *transport, if (rs->nr) { int i; - refspec_ref_prefixes(rs, &ref_prefixes); + refspec_ref_prefixes(rs, &transport_ls_refs_options.ref_prefixes); /* * We can avoid listing refs if all of them are exact @@ -1284,20 +1552,25 @@ static int do_fetch(struct transport *transport, } } } else if (transport->remote && transport->remote->fetch.nr) - refspec_ref_prefixes(&transport->remote->fetch, &ref_prefixes); + refspec_ref_prefixes(&transport->remote->fetch, + &transport_ls_refs_options.ref_prefixes); if (tags == TAGS_SET || tags == TAGS_DEFAULT) { must_list_refs = 1; - if (ref_prefixes.argc) - argv_array_push(&ref_prefixes, "refs/tags/"); + if (transport_ls_refs_options.ref_prefixes.nr) + strvec_push(&transport_ls_refs_options.ref_prefixes, + "refs/tags/"); } - if (must_list_refs) - remote_refs = transport_get_remote_refs(transport, &ref_prefixes); - else + if (must_list_refs) { + trace2_region_enter("fetch", "remote_refs", the_repository); + remote_refs = transport_get_remote_refs(transport, + &transport_ls_refs_options); + trace2_region_leave("fetch", "remote_refs", the_repository); + } else remote_refs = NULL; - argv_array_clear(&ref_prefixes); + strvec_clear(&transport_ls_refs_options.ref_prefixes); ref_map = get_ref_map(transport->remote, remote_refs, rs, tags, &autotags); @@ -1325,6 +1598,51 @@ static int do_fetch(struct transport *transport, retcode = 1; goto cleanup; } + + if (set_upstream) { + struct branch *branch = branch_get("HEAD"); + struct ref *rm; + struct ref *source_ref = NULL; + + /* + * We're setting the upstream configuration for the + * current branch. The relevant upstream is the + * fetched branch that is meant to be merged with the + * current one, i.e. the one fetched to FETCH_HEAD. + * + * When there are several such branches, consider the + * request ambiguous and err on the safe side by doing + * nothing and just emit a warning. + */ + for (rm = ref_map; rm; rm = rm->next) { + if (!rm->peer_ref) { + if (source_ref) { + warning(_("multiple branches detected, incompatible with --set-upstream")); + goto skip; + } else { + source_ref = rm; + } + } + } + if (source_ref) { + if (!strcmp(source_ref->name, "HEAD") || + starts_with(source_ref->name, "refs/heads/")) + install_branch_config(0, + branch->name, + transport->remote->name, + source_ref->name); + else if (starts_with(source_ref->name, "refs/remotes/")) + warning(_("not setting upstream for a remote remote-tracking branch")); + else if (starts_with(source_ref->name, "refs/tags/")) + warning(_("not setting upstream for a remote tag")); + else + warning(_("unknown branch type")); + } else { + warning(_("no source branch found.\n" + "you need to specify exactly one branch with the --set-upstream option.")); + } + } + skip: free_refs(ref_map); /* if neither --no-tags nor --tags was specified, do automated tag @@ -1390,65 +1708,138 @@ static int add_remote_or_group(const char *name, struct string_list *list) return 1; } -static void add_options_to_argv(struct argv_array *argv) +static void add_options_to_argv(struct strvec *argv) { if (dry_run) - argv_array_push(argv, "--dry-run"); + strvec_push(argv, "--dry-run"); if (prune != -1) - argv_array_push(argv, prune ? "--prune" : "--no-prune"); + strvec_push(argv, prune ? "--prune" : "--no-prune"); if (prune_tags != -1) - argv_array_push(argv, prune_tags ? "--prune-tags" : "--no-prune-tags"); + strvec_push(argv, prune_tags ? "--prune-tags" : "--no-prune-tags"); if (update_head_ok) - argv_array_push(argv, "--update-head-ok"); + strvec_push(argv, "--update-head-ok"); if (force) - argv_array_push(argv, "--force"); + strvec_push(argv, "--force"); if (keep) - argv_array_push(argv, "--keep"); + strvec_push(argv, "--keep"); if (recurse_submodules == RECURSE_SUBMODULES_ON) - argv_array_push(argv, "--recurse-submodules"); + strvec_push(argv, "--recurse-submodules"); else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) - argv_array_push(argv, "--recurse-submodules=on-demand"); + strvec_push(argv, "--recurse-submodules=on-demand"); if (tags == TAGS_SET) - argv_array_push(argv, "--tags"); + strvec_push(argv, "--tags"); else if (tags == TAGS_UNSET) - argv_array_push(argv, "--no-tags"); + strvec_push(argv, "--no-tags"); if (verbosity >= 2) - argv_array_push(argv, "-v"); + strvec_push(argv, "-v"); if (verbosity >= 1) - argv_array_push(argv, "-v"); + strvec_push(argv, "-v"); else if (verbosity < 0) - argv_array_push(argv, "-q"); + strvec_push(argv, "-q"); + if (family == TRANSPORT_FAMILY_IPV4) + strvec_push(argv, "--ipv4"); + else if (family == TRANSPORT_FAMILY_IPV6) + strvec_push(argv, "--ipv6"); +} + +/* Fetch multiple remotes in parallel */ + +struct parallel_fetch_state { + const char **argv; + struct string_list *remotes; + int next, result; +}; + +static int fetch_next_remote(struct child_process *cp, struct strbuf *out, + void *cb, void **task_cb) +{ + struct parallel_fetch_state *state = cb; + char *remote; + + if (state->next < 0 || state->next >= state->remotes->nr) + return 0; + + remote = state->remotes->items[state->next++].string; + *task_cb = remote; + strvec_pushv(&cp->args, state->argv); + strvec_push(&cp->args, remote); + cp->git_cmd = 1; + + if (verbosity >= 0) + printf(_("Fetching %s\n"), remote); + + return 1; } -static int fetch_multiple(struct string_list *list) +static int fetch_failed_to_start(struct strbuf *out, void *cb, void *task_cb) +{ + struct parallel_fetch_state *state = cb; + const char *remote = task_cb; + + state->result = error(_("Could not fetch %s"), remote); + + return 0; +} + +static int fetch_finished(int result, struct strbuf *out, + void *cb, void *task_cb) +{ + struct parallel_fetch_state *state = cb; + const char *remote = task_cb; + + if (result) { + strbuf_addf(out, _("could not fetch '%s' (exit code: %d)\n"), + remote, result); + state->result = -1; + } + + return 0; +} + +static int fetch_multiple(struct string_list *list, int max_children) { int i, result = 0; - struct argv_array argv = ARGV_ARRAY_INIT; + struct strvec argv = STRVEC_INIT; - if (!append && !dry_run) { + if (!append && write_fetch_head) { int errcode = truncate_fetch_head(); if (errcode) return errcode; } - argv_array_pushl(&argv, "fetch", "--append", NULL); + strvec_pushl(&argv, "fetch", "--append", "--no-auto-gc", + "--no-write-commit-graph", NULL); add_options_to_argv(&argv); - for (i = 0; i < list->nr; i++) { - const char *name = list->items[i].string; - argv_array_push(&argv, name); - if (verbosity >= 0) - printf(_("Fetching %s\n"), name); - if (run_command_v_opt(argv.argv, RUN_GIT_CMD)) { - error(_("Could not fetch %s"), name); - result = 1; + if (max_children != 1 && list->nr != 1) { + struct parallel_fetch_state state = { argv.v, list, 0, 0 }; + + strvec_push(&argv, "--end-of-options"); + result = run_processes_parallel_tr2(max_children, + &fetch_next_remote, + &fetch_failed_to_start, + &fetch_finished, + &state, + "fetch", "parallel/fetch"); + + if (!result) + result = state.result; + } else + for (i = 0; i < list->nr; i++) { + const char *name = list->items[i].string; + strvec_push(&argv, name); + if (verbosity >= 0) + printf(_("Fetching %s\n"), name); + if (run_command_v_opt(argv.v, RUN_GIT_CMD)) { + error(_("Could not fetch %s"), name); + result = 1; + } + strvec_pop(&argv); } - argv_array_pop(&argv); - } - argv_array_clear(&argv); - return result; + strvec_clear(&argv); + return !!result; } /* @@ -1468,41 +1859,32 @@ static inline void fetch_one_setup_partial(struct remote *remote) * If no prior partial clone/fetch and the current fetch DID NOT * request a partial-fetch, do a normal fetch. */ - if (!repository_format_partial_clone && !filter_options.choice) + if (!has_promisor_remote() && !filter_options.choice) return; /* - * If this is the FIRST partial-fetch request, we enable partial - * on this repo and remember the given filter-spec as the default - * for subsequent fetches to this remote. + * If this is a partial-fetch request, we enable partial on + * this repo if not already enabled and remember the given + * filter-spec as the default for subsequent fetches to this + * remote if there is currently no default filter-spec. */ - if (!repository_format_partial_clone && filter_options.choice) { + if (filter_options.choice) { partial_clone_register(remote->name, &filter_options); return; } /* - * We are currently limited to only ONE promisor remote and only - * allow partial-fetches from the promisor remote. - */ - if (strcmp(remote->name, repository_format_partial_clone)) { - if (filter_options.choice) - die(_("--filter can only be used with the remote " - "configured in extensions.partialClone")); - return; - } - - /* * Do a partial-fetch from the promisor remote using either the * explicitly given filter-spec or inherit the filter-spec from * the config. */ if (!filter_options.choice) - partial_clone_get_default_filter_spec(&filter_options); + partial_clone_get_default_filter_spec(&filter_options, remote->name); return; } -static int fetch_one(struct remote *remote, int argc, const char **argv, int prune_tags_ok) +static int fetch_one(struct remote *remote, int argc, const char **argv, + int prune_tags_ok, int use_stdin_refspecs) { struct refspec rs = REFSPEC_INIT_FETCH; int i; @@ -1545,20 +1927,24 @@ static int fetch_one(struct remote *remote, int argc, const char **argv, int pru for (i = 0; i < argc; i++) { if (!strcmp(argv[i], "tag")) { - char *tag; i++; if (i >= argc) die(_("You need to specify a tag name.")); - tag = xstrfmt("refs/tags/%s:refs/tags/%s", - argv[i], argv[i]); - refspec_append(&rs, tag); - free(tag); + refspec_appendf(&rs, "refs/tags/%s:refs/tags/%s", + argv[i], argv[i]); } else { refspec_append(&rs, argv[i]); } } + if (use_stdin_refspecs) { + struct strbuf line = STRBUF_INIT; + while (strbuf_getline_lf(&line, stdin) != EOF) + refspec_append(&rs, line.buf); + strbuf_release(&line); + } + if (server_options.nr) gtransport->server_options = &server_options; @@ -1580,22 +1966,34 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) struct remote *remote = NULL; int result = 0; int prune_tags_ok = 1; - struct argv_array argv_gc_auto = ARGV_ARRAY_INIT; packet_trace_identity("fetch"); - fetch_if_missing = 0; - /* Record the command line for the reflog */ strbuf_addstr(&default_rla, "fetch"); - for (i = 1; i < argc; i++) - strbuf_addf(&default_rla, " %s", argv[i]); + for (i = 1; i < argc; i++) { + /* This handles non-URLs gracefully */ + char *anon = transport_anonymize_url(argv[i]); + + strbuf_addf(&default_rla, " %s", anon); + free(anon); + } - fetch_config_from_gitmodules(&max_children, &recurse_submodules); git_config(git_fetch_config, NULL); argc = parse_options(argc, argv, prefix, builtin_fetch_options, builtin_fetch_usage, 0); + if (recurse_submodules != RECURSE_SUBMODULES_OFF) { + int *sfjc = submodule_fetch_jobs_config == -1 + ? &submodule_fetch_jobs_config : NULL; + int *rs = recurse_submodules == RECURSE_SUBMODULES_DEFAULT + ? &recurse_submodules : NULL; + + fetch_config_from_gitmodules(sfjc, rs); + } + + if (negotiate_only && !negotiation_tip.nr) + die(_("--negotiate-only needs one or more --negotiate-tip=*")); if (deepen_relative) { if (deepen_relative < 0) @@ -1619,8 +2017,9 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) if (depth || deepen_since || deepen_not.nr) deepen = 1; - if (filter_options.choice && !repository_format_partial_clone) - die("--filter can only be used when extensions.partialClone is set"); + /* FETCH_HEAD never gets updated in --dry-run mode */ + if (dry_run) + write_fetch_head = 0; if (all) { if (argc == 1) @@ -1652,20 +2051,62 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) } } - if (remote) { - if (filter_options.choice || repository_format_partial_clone) + if (negotiate_only) { + struct oidset acked_commits = OIDSET_INIT; + struct oidset_iter iter; + const struct object_id *oid; + + if (!remote) + die(_("must supply remote when using --negotiate-only")); + gtransport = prepare_transport(remote, 1); + if (gtransport->smart_options) { + gtransport->smart_options->acked_commits = &acked_commits; + } else { + warning(_("Protocol does not support --negotiate-only, exiting.")); + return 1; + } + if (server_options.nr) + gtransport->server_options = &server_options; + result = transport_fetch_refs(gtransport, NULL); + + oidset_iter_init(&acked_commits, &iter); + while ((oid = oidset_iter_next(&iter))) + printf("%s\n", oid_to_hex(oid)); + oidset_clear(&acked_commits); + } else if (remote) { + if (filter_options.choice || has_promisor_remote()) fetch_one_setup_partial(remote); - result = fetch_one(remote, argc, argv, prune_tags_ok); + result = fetch_one(remote, argc, argv, prune_tags_ok, stdin_refspecs); } else { + int max_children = max_jobs; + if (filter_options.choice) die(_("--filter can only be used with the remote " "configured in extensions.partialclone")); + + if (atomic_fetch) + die(_("--atomic can only be used when fetching " + "from one remote")); + + if (stdin_refspecs) + die(_("--stdin can only be used when fetching " + "from one remote")); + + if (max_children < 0) + max_children = fetch_parallel_config; + /* TODO should this also die if we have a previous partial-clone? */ - result = fetch_multiple(&list); + result = fetch_multiple(&list, max_children); } if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) { - struct argv_array options = ARGV_ARRAY_INIT; + struct strvec options = STRVEC_INIT; + int max_children = max_jobs; + + if (max_children < 0) + max_children = submodule_fetch_jobs_config; + if (max_children < 0) + max_children = fetch_parallel_config; add_options_to_argv(&options); result = fetch_populated_submodules(the_repository, @@ -1675,18 +2116,29 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) recurse_submodules_default, verbosity < 0, max_children); - argv_array_clear(&options); + strvec_clear(&options); } string_list_clear(&list, 0); + prepare_repo_settings(the_repository); + if (fetch_write_commit_graph > 0 || + (fetch_write_commit_graph < 0 && + the_repository->settings.fetch_write_commit_graph)) { + int commit_graph_flags = COMMIT_GRAPH_WRITE_SPLIT; + + if (progress) + commit_graph_flags |= COMMIT_GRAPH_WRITE_PROGRESS; + + write_commit_graph_reachable(the_repository->objects->odb, + commit_graph_flags, + NULL); + } + close_object_store(the_repository->objects); - argv_array_pushl(&argv_gc_auto, "gc", "--auto", NULL); - if (verbosity < 0) - argv_array_push(&argv_gc_auto, "--quiet"); - run_command_v_opt(argv_gc_auto.argv, RUN_GIT_CMD); - argv_array_clear(&argv_gc_auto); + if (enable_auto_gc) + run_auto_maintenance(verbosity < 0); return result; } diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c index a4615587fd..48a8699de7 100644 --- a/builtin/fmt-merge-msg.c +++ b/builtin/fmt-merge-msg.c @@ -1,667 +1,13 @@ #include "builtin.h" -#include "cache.h" #include "config.h" -#include "refs.h" -#include "object-store.h" -#include "commit.h" -#include "diff.h" -#include "revision.h" -#include "tag.h" -#include "string-list.h" -#include "branch.h" #include "fmt-merge-msg.h" -#include "gpg-interface.h" -#include "repository.h" -#include "commit-reach.h" +#include "parse-options.h" static const char * const fmt_merge_msg_usage[] = { N_("git fmt-merge-msg [-m <message>] [--log[=<n>] | --no-log] [--file <file>]"), NULL }; -static int use_branch_desc; - -int fmt_merge_msg_config(const char *key, const char *value, void *cb) -{ - if (!strcmp(key, "merge.log") || !strcmp(key, "merge.summary")) { - int is_bool; - merge_log_config = git_config_bool_or_int(key, value, &is_bool); - if (!is_bool && merge_log_config < 0) - return error("%s: negative length %s", key, value); - if (is_bool && merge_log_config) - merge_log_config = DEFAULT_MERGE_LOG_LEN; - } else if (!strcmp(key, "merge.branchdesc")) { - use_branch_desc = git_config_bool(key, value); - } else { - return git_default_config(key, value, cb); - } - return 0; -} - -/* merge data per repository where the merged tips came from */ -struct src_data { - struct string_list branch, tag, r_branch, generic; - int head_status; -}; - -struct origin_data { - struct object_id oid; - unsigned is_local_branch:1; -}; - -static void init_src_data(struct src_data *data) -{ - data->branch.strdup_strings = 1; - data->tag.strdup_strings = 1; - data->r_branch.strdup_strings = 1; - data->generic.strdup_strings = 1; -} - -static struct string_list srcs = STRING_LIST_INIT_DUP; -static struct string_list origins = STRING_LIST_INIT_DUP; - -struct merge_parents { - int alloc, nr; - struct merge_parent { - struct object_id given; - struct object_id commit; - unsigned char used; - } *item; -}; - -/* - * I know, I know, this is inefficient, but you won't be pulling and merging - * hundreds of heads at a time anyway. - */ -static struct merge_parent *find_merge_parent(struct merge_parents *table, - struct object_id *given, - struct object_id *commit) -{ - int i; - for (i = 0; i < table->nr; i++) { - if (given && !oideq(&table->item[i].given, given)) - continue; - if (commit && !oideq(&table->item[i].commit, commit)) - continue; - return &table->item[i]; - } - return NULL; -} - -static void add_merge_parent(struct merge_parents *table, - struct object_id *given, - struct object_id *commit) -{ - if (table->nr && find_merge_parent(table, given, commit)) - return; - ALLOC_GROW(table->item, table->nr + 1, table->alloc); - oidcpy(&table->item[table->nr].given, given); - oidcpy(&table->item[table->nr].commit, commit); - table->item[table->nr].used = 0; - table->nr++; -} - -static int handle_line(char *line, struct merge_parents *merge_parents) -{ - int i, len = strlen(line); - struct origin_data *origin_data; - char *src; - const char *origin; - struct src_data *src_data; - struct string_list_item *item; - int pulling_head = 0; - struct object_id oid; - const unsigned hexsz = the_hash_algo->hexsz; - - if (len < hexsz + 3 || line[hexsz] != '\t') - return 1; - - if (starts_with(line + hexsz + 1, "not-for-merge")) - return 0; - - if (line[hexsz + 1] != '\t') - return 2; - - i = get_oid_hex(line, &oid); - if (i) - return 3; - - if (!find_merge_parent(merge_parents, &oid, NULL)) - return 0; /* subsumed by other parents */ - - origin_data = xcalloc(1, sizeof(struct origin_data)); - oidcpy(&origin_data->oid, &oid); - - if (line[len - 1] == '\n') - line[len - 1] = 0; - line += hexsz + 2; - - /* - * At this point, line points at the beginning of comment e.g. - * "branch 'frotz' of git://that/repository.git". - * Find the repository name and point it with src. - */ - src = strstr(line, " of "); - if (src) { - *src = 0; - src += 4; - pulling_head = 0; - } else { - src = line; - pulling_head = 1; - } - - item = unsorted_string_list_lookup(&srcs, src); - if (!item) { - item = string_list_append(&srcs, src); - item->util = xcalloc(1, sizeof(struct src_data)); - init_src_data(item->util); - } - src_data = item->util; - - if (pulling_head) { - origin = src; - src_data->head_status |= 1; - } else if (starts_with(line, "branch ")) { - origin_data->is_local_branch = 1; - origin = line + 7; - string_list_append(&src_data->branch, origin); - src_data->head_status |= 2; - } else if (starts_with(line, "tag ")) { - origin = line; - string_list_append(&src_data->tag, origin + 4); - src_data->head_status |= 2; - } else if (skip_prefix(line, "remote-tracking branch ", &origin)) { - string_list_append(&src_data->r_branch, origin); - src_data->head_status |= 2; - } else { - origin = src; - string_list_append(&src_data->generic, line); - src_data->head_status |= 2; - } - - if (!strcmp(".", src) || !strcmp(src, origin)) { - int len = strlen(origin); - if (origin[0] == '\'' && origin[len - 1] == '\'') - origin = xmemdupz(origin + 1, len - 2); - } else - origin = xstrfmt("%s of %s", origin, src); - if (strcmp(".", src)) - origin_data->is_local_branch = 0; - string_list_append(&origins, origin)->util = origin_data; - return 0; -} - -static void print_joined(const char *singular, const char *plural, - struct string_list *list, struct strbuf *out) -{ - if (list->nr == 0) - return; - if (list->nr == 1) { - strbuf_addf(out, "%s%s", singular, list->items[0].string); - } else { - int i; - strbuf_addstr(out, plural); - for (i = 0; i < list->nr - 1; i++) - strbuf_addf(out, "%s%s", i > 0 ? ", " : "", - list->items[i].string); - strbuf_addf(out, " and %s", list->items[list->nr - 1].string); - } -} - -static void add_branch_desc(struct strbuf *out, const char *name) -{ - struct strbuf desc = STRBUF_INIT; - - if (!read_branch_desc(&desc, name)) { - const char *bp = desc.buf; - while (*bp) { - const char *ep = strchrnul(bp, '\n'); - if (*ep) - ep++; - strbuf_addf(out, " : %.*s", (int)(ep - bp), bp); - bp = ep; - } - strbuf_complete_line(out); - } - strbuf_release(&desc); -} - -#define util_as_integral(elem) ((intptr_t)((elem)->util)) - -static void record_person_from_buf(int which, struct string_list *people, - const char *buffer) -{ - char *name_buf, *name, *name_end; - struct string_list_item *elem; - const char *field; - - field = (which == 'a') ? "\nauthor " : "\ncommitter "; - name = strstr(buffer, field); - if (!name) - return; - name += strlen(field); - name_end = strchrnul(name, '<'); - if (*name_end) - name_end--; - while (isspace(*name_end) && name <= name_end) - name_end--; - if (name_end < name) - return; - name_buf = xmemdupz(name, name_end - name + 1); - - elem = string_list_lookup(people, name_buf); - if (!elem) { - elem = string_list_insert(people, name_buf); - elem->util = (void *)0; - } - elem->util = (void*)(util_as_integral(elem) + 1); - free(name_buf); -} - - -static void record_person(int which, struct string_list *people, - struct commit *commit) -{ - const char *buffer = get_commit_buffer(commit, NULL); - record_person_from_buf(which, people, buffer); - unuse_commit_buffer(commit, buffer); -} - -static int cmp_string_list_util_as_integral(const void *a_, const void *b_) -{ - const struct string_list_item *a = a_, *b = b_; - return util_as_integral(b) - util_as_integral(a); -} - -static void add_people_count(struct strbuf *out, struct string_list *people) -{ - if (people->nr == 1) - strbuf_addstr(out, people->items[0].string); - else if (people->nr == 2) - strbuf_addf(out, "%s (%d) and %s (%d)", - people->items[0].string, - (int)util_as_integral(&people->items[0]), - people->items[1].string, - (int)util_as_integral(&people->items[1])); - else if (people->nr) - strbuf_addf(out, "%s (%d) and others", - people->items[0].string, - (int)util_as_integral(&people->items[0])); -} - -static void credit_people(struct strbuf *out, - struct string_list *them, - int kind) -{ - const char *label; - const char *me; - - if (kind == 'a') { - label = "By"; - me = git_author_info(IDENT_NO_DATE); - } else { - label = "Via"; - me = git_committer_info(IDENT_NO_DATE); - } - - if (!them->nr || - (them->nr == 1 && - me && - skip_prefix(me, them->items->string, &me) && - starts_with(me, " <"))) - return; - strbuf_addf(out, "\n%c %s ", comment_line_char, label); - add_people_count(out, them); -} - -static void add_people_info(struct strbuf *out, - struct string_list *authors, - struct string_list *committers) -{ - QSORT(authors->items, authors->nr, - cmp_string_list_util_as_integral); - QSORT(committers->items, committers->nr, - cmp_string_list_util_as_integral); - - credit_people(out, authors, 'a'); - credit_people(out, committers, 'c'); -} - -static void shortlog(const char *name, - struct origin_data *origin_data, - struct commit *head, - struct rev_info *rev, - struct fmt_merge_msg_opts *opts, - struct strbuf *out) -{ - int i, count = 0; - struct commit *commit; - struct object *branch; - struct string_list subjects = STRING_LIST_INIT_DUP; - struct string_list authors = STRING_LIST_INIT_DUP; - struct string_list committers = STRING_LIST_INIT_DUP; - int flags = UNINTERESTING | TREESAME | SEEN | SHOWN | ADDED; - struct strbuf sb = STRBUF_INIT; - const struct object_id *oid = &origin_data->oid; - int limit = opts->shortlog_len; - - branch = deref_tag(the_repository, parse_object(the_repository, oid), - oid_to_hex(oid), - the_hash_algo->hexsz); - if (!branch || branch->type != OBJ_COMMIT) - return; - - setup_revisions(0, NULL, rev, NULL); - add_pending_object(rev, branch, name); - add_pending_object(rev, &head->object, "^HEAD"); - head->object.flags |= UNINTERESTING; - if (prepare_revision_walk(rev)) - die("revision walk setup failed"); - while ((commit = get_revision(rev)) != NULL) { - struct pretty_print_context ctx = {0}; - - if (commit->parents && commit->parents->next) { - /* do not list a merge but count committer */ - if (opts->credit_people) - record_person('c', &committers, commit); - continue; - } - if (!count && opts->credit_people) - /* the 'tip' committer */ - record_person('c', &committers, commit); - if (opts->credit_people) - record_person('a', &authors, commit); - count++; - if (subjects.nr > limit) - continue; - - format_commit_message(commit, "%s", &sb, &ctx); - strbuf_ltrim(&sb); - - if (!sb.len) - string_list_append(&subjects, - oid_to_hex(&commit->object.oid)); - else - string_list_append_nodup(&subjects, - strbuf_detach(&sb, NULL)); - } - - if (opts->credit_people) - add_people_info(out, &authors, &committers); - if (count > limit) - strbuf_addf(out, "\n* %s: (%d commits)\n", name, count); - else - strbuf_addf(out, "\n* %s:\n", name); - - if (origin_data->is_local_branch && use_branch_desc) - add_branch_desc(out, name); - - for (i = 0; i < subjects.nr; i++) - if (i >= limit) - strbuf_addstr(out, " ...\n"); - else - strbuf_addf(out, " %s\n", subjects.items[i].string); - - clear_commit_marks((struct commit *)branch, flags); - clear_commit_marks(head, flags); - free_commit_list(rev->commits); - rev->commits = NULL; - rev->pending.nr = 0; - - string_list_clear(&authors, 0); - string_list_clear(&committers, 0); - string_list_clear(&subjects, 0); -} - -static void fmt_merge_msg_title(struct strbuf *out, - const char *current_branch) -{ - int i = 0; - char *sep = ""; - - strbuf_addstr(out, "Merge "); - for (i = 0; i < srcs.nr; i++) { - struct src_data *src_data = srcs.items[i].util; - const char *subsep = ""; - - strbuf_addstr(out, sep); - sep = "; "; - - if (src_data->head_status == 1) { - strbuf_addstr(out, srcs.items[i].string); - continue; - } - if (src_data->head_status == 3) { - subsep = ", "; - strbuf_addstr(out, "HEAD"); - } - if (src_data->branch.nr) { - strbuf_addstr(out, subsep); - subsep = ", "; - print_joined("branch ", "branches ", &src_data->branch, - out); - } - if (src_data->r_branch.nr) { - strbuf_addstr(out, subsep); - subsep = ", "; - print_joined("remote-tracking branch ", "remote-tracking branches ", - &src_data->r_branch, out); - } - if (src_data->tag.nr) { - strbuf_addstr(out, subsep); - subsep = ", "; - print_joined("tag ", "tags ", &src_data->tag, out); - } - if (src_data->generic.nr) { - strbuf_addstr(out, subsep); - print_joined("commit ", "commits ", &src_data->generic, - out); - } - if (strcmp(".", srcs.items[i].string)) - strbuf_addf(out, " of %s", srcs.items[i].string); - } - - if (!strcmp("master", current_branch)) - strbuf_addch(out, '\n'); - else - strbuf_addf(out, " into %s\n", current_branch); -} - -static void fmt_tag_signature(struct strbuf *tagbuf, - struct strbuf *sig, - const char *buf, - unsigned long len) -{ - const char *tag_body = strstr(buf, "\n\n"); - if (tag_body) { - tag_body += 2; - strbuf_add(tagbuf, tag_body, buf + len - tag_body); - } - strbuf_complete_line(tagbuf); - if (sig->len) { - strbuf_addch(tagbuf, '\n'); - strbuf_add_commented_lines(tagbuf, sig->buf, sig->len); - } -} - -static void fmt_merge_msg_sigs(struct strbuf *out) -{ - int i, tag_number = 0, first_tag = 0; - struct strbuf tagbuf = STRBUF_INIT; - - for (i = 0; i < origins.nr; i++) { - struct object_id *oid = origins.items[i].util; - enum object_type type; - unsigned long size, len; - char *buf = read_object_file(oid, &type, &size); - struct strbuf sig = STRBUF_INIT; - - if (!buf || type != OBJ_TAG) - goto next; - len = parse_signature(buf, size); - - if (size == len) - ; /* merely annotated */ - else if (verify_signed_buffer(buf, len, buf + len, size - len, &sig, NULL)) { - if (!sig.len) - strbuf_addstr(&sig, "gpg verification failed.\n"); - } - - if (!tag_number++) { - fmt_tag_signature(&tagbuf, &sig, buf, len); - first_tag = i; - } else { - if (tag_number == 2) { - struct strbuf tagline = STRBUF_INIT; - strbuf_addch(&tagline, '\n'); - strbuf_add_commented_lines(&tagline, - origins.items[first_tag].string, - strlen(origins.items[first_tag].string)); - strbuf_insert(&tagbuf, 0, tagline.buf, - tagline.len); - strbuf_release(&tagline); - } - strbuf_addch(&tagbuf, '\n'); - strbuf_add_commented_lines(&tagbuf, - origins.items[i].string, - strlen(origins.items[i].string)); - fmt_tag_signature(&tagbuf, &sig, buf, len); - } - strbuf_release(&sig); - next: - free(buf); - } - if (tagbuf.len) { - strbuf_addch(out, '\n'); - strbuf_addbuf(out, &tagbuf); - } - strbuf_release(&tagbuf); -} - -static void find_merge_parents(struct merge_parents *result, - struct strbuf *in, struct object_id *head) -{ - struct commit_list *parents; - struct commit *head_commit; - int pos = 0, i, j; - - parents = NULL; - while (pos < in->len) { - int len; - char *p = in->buf + pos; - char *newline = strchr(p, '\n'); - const char *q; - struct object_id oid; - struct commit *parent; - struct object *obj; - - len = newline ? newline - p : strlen(p); - pos += len + !!newline; - - if (parse_oid_hex(p, &oid, &q) || - q[0] != '\t' || - q[1] != '\t') - continue; /* skip not-for-merge */ - /* - * Do not use get_merge_parent() here; we do not have - * "name" here and we do not want to contaminate its - * util field yet. - */ - obj = parse_object(the_repository, &oid); - parent = (struct commit *)peel_to_type(NULL, 0, obj, OBJ_COMMIT); - if (!parent) - continue; - commit_list_insert(parent, &parents); - add_merge_parent(result, &obj->oid, &parent->object.oid); - } - head_commit = lookup_commit(the_repository, head); - if (head_commit) - commit_list_insert(head_commit, &parents); - reduce_heads_replace(&parents); - - while (parents) { - struct commit *cmit = pop_commit(&parents); - for (i = 0; i < result->nr; i++) - if (oideq(&result->item[i].commit, &cmit->object.oid)) - result->item[i].used = 1; - } - - for (i = j = 0; i < result->nr; i++) { - if (result->item[i].used) { - if (i != j) - result->item[j] = result->item[i]; - j++; - } - } - result->nr = j; -} - -int fmt_merge_msg(struct strbuf *in, struct strbuf *out, - struct fmt_merge_msg_opts *opts) -{ - int i = 0, pos = 0; - struct object_id head_oid; - const char *current_branch; - void *current_branch_to_free; - struct merge_parents merge_parents; - - memset(&merge_parents, 0, sizeof(merge_parents)); - - /* get current branch */ - current_branch = current_branch_to_free = - resolve_refdup("HEAD", RESOLVE_REF_READING, &head_oid, NULL); - if (!current_branch) - die("No current branch"); - if (starts_with(current_branch, "refs/heads/")) - current_branch += 11; - - find_merge_parents(&merge_parents, in, &head_oid); - - /* get a line */ - while (pos < in->len) { - int len; - char *newline, *p = in->buf + pos; - - newline = strchr(p, '\n'); - len = newline ? newline - p : strlen(p); - pos += len + !!newline; - i++; - p[len] = 0; - if (handle_line(p, &merge_parents)) - die("error in line %d: %.*s", i, len, p); - } - - if (opts->add_title && srcs.nr) - fmt_merge_msg_title(out, current_branch); - - if (origins.nr) - fmt_merge_msg_sigs(out); - - if (opts->shortlog_len) { - struct commit *head; - struct rev_info rev; - - head = lookup_commit_or_die(&head_oid, "HEAD"); - repo_init_revisions(the_repository, &rev, NULL); - rev.commit_format = CMIT_FMT_ONELINE; - rev.ignore_merges = 1; - rev.limited = 1; - - strbuf_complete_line(out); - - for (i = 0; i < origins.nr; i++) - shortlog(origins.items[i].string, - origins.items[i].util, - head, &rev, opts, out); - } - - strbuf_complete_line(out); - free(current_branch_to_free); - free(merge_parents.item); - return 0; -} - int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix) { const char *inpath = NULL; diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c index 465153e853..89cb6307d4 100644 --- a/builtin/for-each-ref.c +++ b/builtin/for-each-ref.c @@ -9,7 +9,7 @@ static char const * const for_each_ref_usage[] = { N_("git for-each-ref [<options>] [<pattern>]"), N_("git for-each-ref [--points-at <object>]"), - N_("git for-each-ref [(--merged | --no-merged) [<commit>]]"), + N_("git for-each-ref [--merged [<commit>]] [--no-merged [<commit>]]"), N_("git for-each-ref [--contains [<commit>]] [--no-contains [<commit>]]"), NULL }; @@ -22,6 +22,8 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix) struct ref_array array; struct ref_filter filter; struct ref_format format = REF_FORMAT_INIT; + struct strbuf output = STRBUF_INIT; + struct strbuf err = STRBUF_INIT; struct option opts[] = { OPT_BIT('s', "shell", &format.quote_style, @@ -70,7 +72,7 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix) if (!sorting) sorting = ref_default_sorting(); - sorting->ignore_case = icase; + ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase); filter.ignore_case = icase; filter.name_patterns = argv; @@ -80,8 +82,20 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix) if (!maxcount || array.nr < maxcount) maxcount = array.nr; - for (i = 0; i < maxcount; i++) - show_ref_array_item(array.items[i], &format); + for (i = 0; i < maxcount; i++) { + strbuf_reset(&err); + strbuf_reset(&output); + if (format_ref_array_item(array.items[i], &format, &output, &err)) + die("%s", err.buf); + fwrite(output.buf, 1, output.len, stdout); + putchar('\n'); + } + + strbuf_release(&err); + strbuf_release(&output); ref_array_clear(&array); + free_commit_list(filter.with_commit); + free_commit_list(filter.no_commit); + UNLEAK(sorting); return 0; } diff --git a/builtin/for-each-repo.c b/builtin/for-each-repo.c new file mode 100644 index 0000000000..fd86e5a861 --- /dev/null +++ b/builtin/for-each-repo.c @@ -0,0 +1,59 @@ +#include "cache.h" +#include "config.h" +#include "builtin.h" +#include "parse-options.h" +#include "run-command.h" +#include "string-list.h" + +static const char * const for_each_repo_usage[] = { + N_("git for-each-repo --config=<config> <command-args>"), + NULL +}; + +static int run_command_on_repo(const char *path, int argc, const char ** argv) +{ + int i; + struct child_process child = CHILD_PROCESS_INIT; + + child.git_cmd = 1; + strvec_pushl(&child.args, "-C", path, NULL); + + for (i = 0; i < argc; i++) + strvec_push(&child.args, argv[i]); + + return run_command(&child); +} + +int cmd_for_each_repo(int argc, const char **argv, const char *prefix) +{ + static const char *config_key = NULL; + int i, result = 0; + const struct string_list *values; + + const struct option options[] = { + OPT_STRING(0, "config", &config_key, N_("config"), + N_("config key storing a list of repository paths")), + OPT_END() + }; + + argc = parse_options(argc, argv, prefix, options, for_each_repo_usage, + PARSE_OPT_STOP_AT_NON_OPTION); + + if (!config_key) + die(_("missing --config=<config>")); + + values = repo_config_get_value_multi(the_repository, + config_key); + + /* + * Do nothing on an empty list, which is equivalent to the case + * where the config variable does not exist at all. + */ + if (!values) + return 0; + + for (i = 0; !result && i < values->nr; i++) + result = run_command_on_repo(values->items[i].string, argc, argv); + + return result; +} diff --git a/builtin/fsck.c b/builtin/fsck.c index d26fb0a044..b42b6fe21f 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -49,101 +49,68 @@ static int name_objects; #define ERROR_PACK 04 #define ERROR_REFS 010 #define ERROR_COMMIT_GRAPH 020 +#define ERROR_MULTI_PACK_INDEX 040 -static const char *describe_object(struct object *obj) +static const char *describe_object(const struct object_id *oid) { - static struct strbuf bufs[] = { - STRBUF_INIT, STRBUF_INIT, STRBUF_INIT, STRBUF_INIT - }; - static int b = 0; - struct strbuf *buf; - char *name = NULL; - - if (name_objects) - name = lookup_decoration(fsck_walk_options.object_names, obj); - - buf = bufs + b; - b = (b + 1) % ARRAY_SIZE(bufs); - strbuf_reset(buf); - strbuf_addstr(buf, oid_to_hex(&obj->oid)); - if (name) - strbuf_addf(buf, " (%s)", name); - - return buf->buf; + return fsck_describe_object(&fsck_walk_options, oid); } -static const char *printable_type(struct object *obj) +static const char *printable_type(const struct object_id *oid, + enum object_type type) { const char *ret; - if (obj->type == OBJ_NONE) { - enum object_type type = oid_object_info(the_repository, - &obj->oid, NULL); - if (type > 0) - object_as_type(the_repository, obj, type, 0); - } + if (type == OBJ_NONE) + type = oid_object_info(the_repository, oid, NULL); - ret = type_name(obj->type); + ret = type_name(type); if (!ret) ret = _("unknown"); return ret; } -static int fsck_config(const char *var, const char *value, void *cb) -{ - if (strcmp(var, "fsck.skiplist") == 0) { - const char *path; - struct strbuf sb = STRBUF_INIT; - - if (git_config_pathname(&path, var, value)) - return 1; - strbuf_addf(&sb, "skiplist=%s", path); - free((char *)path); - fsck_set_msg_types(&fsck_obj_options, sb.buf); - strbuf_release(&sb); - return 0; - } - - if (skip_prefix(var, "fsck.", &var)) { - fsck_set_msg_type(&fsck_obj_options, var, value); - return 0; - } - - return git_default_config(var, value, cb); -} - static int objerror(struct object *obj, const char *err) { errors_found |= ERROR_OBJECT; /* TRANSLATORS: e.g. error in tree 01bfda: <more explanation> */ fprintf_ln(stderr, _("error in %s %s: %s"), - printable_type(obj), describe_object(obj), err); + printable_type(&obj->oid, obj->type), + describe_object(&obj->oid), err); return -1; } static int fsck_error_func(struct fsck_options *o, - struct object *obj, int type, const char *message) + const struct object_id *oid, + enum object_type object_type, + enum fsck_msg_type msg_type, + enum fsck_msg_id msg_id, + const char *message) { - switch (type) { + switch (msg_type) { case FSCK_WARN: /* TRANSLATORS: e.g. warning in tree 01bfda: <more explanation> */ fprintf_ln(stderr, _("warning in %s %s: %s"), - printable_type(obj), describe_object(obj), message); + printable_type(oid, object_type), + describe_object(oid), message); return 0; case FSCK_ERROR: /* TRANSLATORS: e.g. error in tree 01bfda: <more explanation> */ fprintf_ln(stderr, _("error in %s %s: %s"), - printable_type(obj), describe_object(obj), message); + printable_type(oid, object_type), + describe_object(oid), message); return 1; default: - BUG("%d (FSCK_IGNORE?) should never trigger this callback", type); + BUG("%d (FSCK_IGNORE?) should never trigger this callback", + msg_type); } } static struct object_array pending; -static int mark_object(struct object *obj, int type, void *data, struct fsck_options *options) +static int mark_object(struct object *obj, enum object_type type, + void *data, struct fsck_options *options) { struct object *parent = data; @@ -155,7 +122,8 @@ static int mark_object(struct object *obj, int type, void *data, struct fsck_opt if (!obj) { /* ... these references to parent->fld are safe here */ printf_ln(_("broken link from %7s %s"), - printable_type(parent), describe_object(parent)); + printable_type(&parent->oid, parent->type), + describe_object(&parent->oid)); printf_ln(_("broken link from %7s %s"), (type == OBJ_ANY ? _("unknown") : type_name(type)), _("unknown")); @@ -180,13 +148,13 @@ static int mark_object(struct object *obj, int type, void *data, struct fsck_opt return 0; if (!(obj->flags & HAS_OBJ)) { - if (parent && !has_object_file(&obj->oid)) { + if (parent && !has_object(the_repository, &obj->oid, 1)) { printf_ln(_("broken link from %7s %s\n" " to %7s %s"), - printable_type(parent), - describe_object(parent), - printable_type(obj), - describe_object(obj)); + printable_type(&parent->oid, parent->type), + describe_object(&parent->oid), + printable_type(&obj->oid, obj->type), + describe_object(&obj->oid)); errors_found |= ERROR_REACHABLE; } return 1; @@ -227,7 +195,8 @@ static int traverse_reachable(void) return !!result; } -static int mark_used(struct object *obj, int type, void *data, struct fsck_options *options) +static int mark_used(struct object *obj, enum object_type object_type, + void *data, struct fsck_options *options) { if (!obj) return 1; @@ -238,7 +207,7 @@ static int mark_used(struct object *obj, int type, void *data, struct fsck_optio static void mark_unreachable_referents(const struct object_id *oid) { struct fsck_options options = FSCK_OPTIONS_DEFAULT; - struct object *obj = lookup_object(the_repository, oid->hash); + struct object *obj = lookup_object(the_repository, oid); if (!obj || !(obj->flags & HAS_OBJ)) return; /* not part of our original set */ @@ -253,7 +222,7 @@ static void mark_unreachable_referents(const struct object_id *oid) enum object_type type = oid_object_info(the_repository, &obj->oid, NULL); if (type > 0) - object_as_type(the_repository, obj, type, 0); + object_as_type(obj, type, 0); } options.walk = mark_used; @@ -292,8 +261,9 @@ static void check_reachable_object(struct object *obj) return; if (has_object_pack(&obj->oid)) return; /* it is in pack - forget about it */ - printf_ln(_("missing %s %s"), printable_type(obj), - describe_object(obj)); + printf_ln(_("missing %s %s"), + printable_type(&obj->oid, obj->type), + describe_object(&obj->oid)); errors_found |= ERROR_REACHABLE; return; } @@ -318,8 +288,9 @@ static void check_unreachable_object(struct object *obj) * since this is something that is prunable. */ if (show_unreachable) { - printf_ln(_("unreachable %s %s"), printable_type(obj), - describe_object(obj)); + printf_ln(_("unreachable %s %s"), + printable_type(&obj->oid, obj->type), + describe_object(&obj->oid)); return; } @@ -337,12 +308,13 @@ static void check_unreachable_object(struct object *obj) */ if (!(obj->flags & USED)) { if (show_dangling) - printf_ln(_("dangling %s %s"), printable_type(obj), - describe_object(obj)); + printf_ln(_("dangling %s %s"), + printable_type(&obj->oid, obj->type), + describe_object(&obj->oid)); if (write_lost_and_found) { char *filename = git_pathdup("lost-found/%s/%s", obj->type == OBJ_COMMIT ? "commit" : "other", - describe_object(obj)); + describe_object(&obj->oid)); FILE *f; if (safe_create_leading_directories_const(filename)) { @@ -355,7 +327,7 @@ static void check_unreachable_object(struct object *obj) if (stream_blob_to_fd(fileno(f), &obj->oid, NULL, 1)) die_errno(_("could not write '%s'"), filename); } else - fprintf(f, "%s\n", describe_object(obj)); + fprintf(f, "%s\n", describe_object(&obj->oid)); if (fclose(f)) die_errno(_("could not finish '%s'"), filename); @@ -374,7 +346,7 @@ static void check_unreachable_object(struct object *obj) static void check_object(struct object *obj) { if (verbose) - fprintf_ln(stderr, _("Checking %s"), describe_object(obj)); + fprintf_ln(stderr, _("Checking %s"), describe_object(&obj->oid)); if (obj->flags & REACHABLE) check_reachable_object(obj); @@ -432,7 +404,8 @@ static int fsck_obj(struct object *obj, void *buffer, unsigned long size) if (verbose) fprintf_ln(stderr, _("Checking %s %s"), - printable_type(obj), describe_object(obj)); + printable_type(&obj->oid, obj->type), + describe_object(&obj->oid)); if (fsck_walk(obj, NULL, &fsck_obj_options)) objerror(obj, _("broken links")); @@ -445,7 +418,7 @@ static int fsck_obj(struct object *obj, void *buffer, unsigned long size) if (!commit->parents && show_root) printf_ln(_("root %s"), - describe_object(&commit->object)); + describe_object(&commit->object.oid)); } if (obj->type == OBJ_TAG) { @@ -453,10 +426,10 @@ static int fsck_obj(struct object *obj, void *buffer, unsigned long size) if (show_tags && tag->tagged) { printf_ln(_("tagged %s %s (%s) in %s"), - printable_type(tag->tagged), - describe_object(tag->tagged), + printable_type(&tag->tagged->oid, tag->tagged->type), + describe_object(&tag->tagged->oid), tag->tag, - describe_object(&tag->object)); + describe_object(&tag->object.oid)); } } @@ -497,12 +470,12 @@ static void fsck_handle_reflog_oid(const char *refname, struct object_id *oid, struct object *obj; if (!is_null_oid(oid)) { - obj = lookup_object(the_repository, oid->hash); + obj = lookup_object(the_repository, oid); if (obj && (obj->flags & HAS_OBJ)) { - if (timestamp && name_objects) - add_decoration(fsck_walk_options.object_names, - obj, - xstrfmt("%s@{%"PRItime"}", refname, timestamp)); + if (timestamp) + fsck_put_object_name(&fsck_walk_options, oid, + "%s@{%"PRItime"}", + refname, timestamp); obj->flags |= USED; mark_object_reachable(obj); } else if (!is_promisor_object(oid)) { @@ -566,9 +539,8 @@ static int fsck_handle_ref(const char *refname, const struct object_id *oid, } default_refs++; obj->flags |= USED; - if (name_objects) - add_decoration(fsck_walk_options.object_names, - obj, xstrdup(refname)); + fsck_put_object_name(&fsck_walk_options, + oid, "%s", refname); mark_object_reachable(obj); return 0; @@ -586,7 +558,7 @@ static void get_default_heads(void) for_each_rawref(fsck_handle_ref, NULL); - worktrees = get_worktrees(0); + worktrees = get_worktrees(); for (p = worktrees; *p; p++) { struct worktree *wt = *p; struct strbuf ref = STRBUF_INIT; @@ -742,9 +714,7 @@ static int fsck_cache_tree(struct cache_tree *it) return 1; } obj->flags |= USED; - if (name_objects) - add_decoration(fsck_walk_options.object_names, - obj, xstrdup(":")); + fsck_put_object_name(&fsck_walk_options, &it->oid, ":"); mark_object_reachable(obj); if (obj->type != OBJ_TREE) err |= objerror(obj, _("non-tree in cache-tree")); @@ -756,7 +726,7 @@ static int fsck_cache_tree(struct cache_tree *it) static void mark_object_for_connectivity(const struct object_id *oid) { - struct object *obj = lookup_unknown_object(oid->hash); + struct object *obj = lookup_unknown_object(the_repository, oid); obj->flags |= HAS_OBJ; } @@ -830,10 +800,9 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) } if (name_objects) - fsck_walk_options.object_names = - xcalloc(1, sizeof(struct decoration)); + fsck_enable_object_names(&fsck_walk_options); - git_config(fsck_config, NULL); + git_config(git_fsck_config, &fsck_obj_options); if (connectivity_only) { for_each_loose_object(mark_loose_for_connectivity, NULL, 0); @@ -879,7 +848,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) struct object_id oid; if (!get_oid(arg, &oid)) { struct object *obj = lookup_object(the_repository, - oid.hash); + &oid); if (!obj || !(obj->flags & HAS_OBJ)) { if (is_promisor_object(&oid)) @@ -890,9 +859,8 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) } obj->flags |= USED; - if (name_objects) - add_decoration(fsck_walk_options.object_names, - obj, xstrdup(arg)); + fsck_put_object_name(&fsck_walk_options, &oid, + "%s", arg); mark_object_reachable(obj); continue; } @@ -914,6 +882,8 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) verify_index_checksum = 1; verify_ce_order = 1; read_cache(); + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(&the_index); for (i = 0; i < active_nr; i++) { unsigned int mode; struct blob *blob; @@ -928,10 +898,8 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) continue; obj = &blob->object; obj->flags |= USED; - if (name_objects) - add_decoration(fsck_walk_options.object_names, - obj, - xstrfmt(":%s", active_cache[i]->name)); + fsck_put_object_name(&fsck_walk_options, &obj->oid, + ":%s", active_cache[i]->name); mark_object_reachable(obj); } if (active_cache_tree) @@ -968,7 +936,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) midx_argv[2] = "--object-dir"; midx_argv[3] = odb->path; if (run_command(&midx_verify)) - errors_found |= ERROR_COMMIT_GRAPH; + errors_found |= ERROR_MULTI_PACK_INDEX; } } diff --git a/builtin/gc.c b/builtin/gc.c index be8e0bfcbe..6ce5ca4512 100644 --- a/builtin/gc.c +++ b/builtin/gc.c @@ -18,7 +18,7 @@ #include "parse-options.h" #include "run-command.h" #include "sigchain.h" -#include "argv-array.h" +#include "strvec.h" #include "commit.h" #include "commit-graph.h" #include "packfile.h" @@ -27,6 +27,11 @@ #include "pack-objects.h" #include "blob.h" #include "tree.h" +#include "promisor-remote.h" +#include "refs.h" +#include "remote.h" +#include "object-store.h" +#include "exec-cmd.h" #define FAILED_RUN "failed to run %s" @@ -41,7 +46,6 @@ static int aggressive_depth = 50; static int aggressive_window = 250; static int gc_auto_threshold = 6700; static int gc_auto_pack_limit = 50; -static int gc_write_commit_graph; static int detach_auto = 1; static timestamp_t gc_log_expire_time; static const char *gc_log_expire = "1.day.ago"; @@ -50,12 +54,11 @@ static const char *prune_worktrees_expire = "3.months.ago"; static unsigned long big_pack_threshold; static unsigned long max_delta_cache_size = DEFAULT_DELTA_CACHE_SIZE; -static struct argv_array pack_refs_cmd = ARGV_ARRAY_INIT; -static struct argv_array reflog = ARGV_ARRAY_INIT; -static struct argv_array repack = ARGV_ARRAY_INIT; -static struct argv_array prune = ARGV_ARRAY_INIT; -static struct argv_array prune_worktrees = ARGV_ARRAY_INIT; -static struct argv_array rerere = ARGV_ARRAY_INIT; +static struct strvec reflog = STRVEC_INIT; +static struct strvec repack = STRVEC_INIT; +static struct strvec prune = STRVEC_INIT; +static struct strvec prune_worktrees = STRVEC_INIT; +static struct strvec rerere = STRVEC_INIT; static struct tempfile *pidfile; static struct lock_file log_lock; @@ -88,7 +91,7 @@ static void process_log_file(void) */ int saved_errno = errno; fprintf(stderr, _("Failed to fstat %s: %s"), - get_tempfile_path(log_lock.tempfile), + get_lock_file_path(&log_lock), strerror(saved_errno)); fflush(stderr); commit_lock_file(&log_lock); @@ -148,7 +151,6 @@ static void gc_config(void) git_config_get_int("gc.aggressivedepth", &aggressive_depth); git_config_get_int("gc.auto", &gc_auto_threshold); git_config_get_int("gc.autopacklimit", &gc_auto_pack_limit); - git_config_get_bool("gc.writecommitgraph", &gc_write_commit_graph); git_config_get_bool("gc.autodetach", &detach_auto); git_config_get_expiry("gc.pruneexpire", &prune_expire); git_config_get_expiry("gc.worktreepruneexpire", &prune_worktrees_expire); @@ -160,6 +162,15 @@ static void gc_config(void) git_config(git_default_config, NULL); } +struct maintenance_run_opts; +static int maintenance_task_pack_refs(MAYBE_UNUSED struct maintenance_run_opts *opts) +{ + struct strvec pack_refs_cmd = STRVEC_INIT; + strvec_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL); + + return run_command_v_opt(pack_refs_cmd.v, RUN_GIT_CMD); +} + static int too_many_loose_objects(void) { /* @@ -298,7 +309,7 @@ static uint64_t estimate_repack_memory(struct packed_git *pack) /* and then obj_hash[], underestimated in fact */ heap += sizeof(struct object *) * nr_objects; /* revindex is used also */ - heap += sizeof(struct revindex_entry) * nr_objects; + heap += (sizeof(off_t) + sizeof(uint32_t)) * nr_objects; /* * read_sha1_file() (either at delta calculation phase, or * writing phase) also fills up the delta base cache @@ -312,18 +323,18 @@ static uint64_t estimate_repack_memory(struct packed_git *pack) static int keep_one_pack(struct string_list_item *item, void *data) { - argv_array_pushf(&repack, "--keep-pack=%s", basename(item->string)); + strvec_pushf(&repack, "--keep-pack=%s", basename(item->string)); return 0; } static void add_repack_all_option(struct string_list *keep_pack) { if (prune_expire && !strcmp(prune_expire, "now")) - argv_array_push(&repack, "-a"); + strvec_push(&repack, "-a"); else { - argv_array_push(&repack, "-A"); + strvec_push(&repack, "-A"); if (prune_expire) - argv_array_pushf(&repack, "--unpack-unreachable=%s", prune_expire); + strvec_pushf(&repack, "--unpack-unreachable=%s", prune_expire); } if (keep_pack) @@ -332,7 +343,7 @@ static void add_repack_all_option(struct string_list *keep_pack) static void add_repack_incremental_option(void) { - argv_array_push(&repack, "--no-write-bitmap-index"); + strvec_push(&repack, "--no-write-bitmap-index"); } static int need_to_gc(void) @@ -459,7 +470,7 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid) /* * Returns 0 if there was no previous error and gc can proceed, 1 if * gc should not proceed due to an error in the last run. Prints a - * message and returns -1 if an error occured while reading gc.log + * message and returns -1 if an error occurred while reading gc.log */ static int report_last_gc_error(void) { @@ -515,11 +526,11 @@ static void gc_before_repack(void) if (done++) return; - if (pack_refs && run_command_v_opt(pack_refs_cmd.argv, RUN_GIT_CMD)) - die(FAILED_RUN, pack_refs_cmd.argv[0]); + if (pack_refs && maintenance_task_pack_refs(NULL)) + die(FAILED_RUN, "pack-refs"); - if (prune_reflogs && run_command_v_opt(reflog.argv, RUN_GIT_CMD)) - die(FAILED_RUN, reflog.argv[0]); + if (prune_reflogs && run_command_v_opt(reflog.v, RUN_GIT_CMD)) + die(FAILED_RUN, reflog.v[0]); } int cmd_gc(int argc, const char **argv, const char *prefix) @@ -531,7 +542,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix) const char *name; pid_t pid; int daemonized = 0; - int keep_base_pack = -1; + int keep_largest_pack = -1; timestamp_t dummy; struct option builtin_gc_options[] = { @@ -545,7 +556,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix) OPT_BOOL_F(0, "force", &force, N_("force running gc even if there may be another gc running"), PARSE_OPT_NOCOMPLETE), - OPT_BOOL(0, "keep-largest-pack", &keep_base_pack, + OPT_BOOL(0, "keep-largest-pack", &keep_largest_pack, N_("repack all other packs except the largest pack")), OPT_END() }; @@ -553,12 +564,11 @@ int cmd_gc(int argc, const char **argv, const char *prefix) if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(builtin_gc_usage, builtin_gc_options); - argv_array_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL); - argv_array_pushl(&reflog, "reflog", "expire", "--all", NULL); - argv_array_pushl(&repack, "repack", "-d", "-l", NULL); - argv_array_pushl(&prune, "prune", "--expire", NULL); - argv_array_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL); - argv_array_pushl(&rerere, "rerere", "gc", NULL); + strvec_pushl(&reflog, "reflog", "expire", "--all", NULL); + strvec_pushl(&repack, "repack", "-d", "-l", NULL); + strvec_pushl(&prune, "prune", "--expire", NULL); + strvec_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL); + strvec_pushl(&rerere, "rerere", "gc", NULL); /* default expiry time, overwritten in gc_config */ gc_config(); @@ -577,14 +587,14 @@ int cmd_gc(int argc, const char **argv, const char *prefix) die(_("failed to parse prune expiry value %s"), prune_expire); if (aggressive) { - argv_array_push(&repack, "-f"); + strvec_push(&repack, "-f"); if (aggressive_depth > 0) - argv_array_pushf(&repack, "--depth=%d", aggressive_depth); + strvec_pushf(&repack, "--depth=%d", aggressive_depth); if (aggressive_window > 0) - argv_array_pushf(&repack, "--window=%d", aggressive_window); + strvec_pushf(&repack, "--window=%d", aggressive_window); } if (quiet) - argv_array_push(&repack, "-q"); + strvec_push(&repack, "-q"); if (auto_gc) { /* @@ -602,7 +612,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix) if (detach_auto) { int ret = report_last_gc_error(); if (ret < 0) - /* an I/O error occured, already reported */ + /* an I/O error occurred, already reported */ exit(128); if (ret == 1) /* Last gc --auto failed. Skip this one. */ @@ -622,8 +632,8 @@ int cmd_gc(int argc, const char **argv, const char *prefix) } else { struct string_list keep_pack = STRING_LIST_INIT_NODUP; - if (keep_base_pack != -1) { - if (keep_base_pack) + if (keep_largest_pack != -1) { + if (keep_largest_pack) find_base_packs(&keep_pack, 0); } else if (big_pack_threshold) { find_base_packs(&keep_pack, big_pack_threshold); @@ -654,29 +664,29 @@ int cmd_gc(int argc, const char **argv, const char *prefix) if (!repository_format_precious_objects) { close_object_store(the_repository->objects); - if (run_command_v_opt(repack.argv, RUN_GIT_CMD)) - die(FAILED_RUN, repack.argv[0]); + if (run_command_v_opt(repack.v, RUN_GIT_CMD)) + die(FAILED_RUN, repack.v[0]); if (prune_expire) { - argv_array_push(&prune, prune_expire); + strvec_push(&prune, prune_expire); if (quiet) - argv_array_push(&prune, "--no-progress"); - if (repository_format_partial_clone) - argv_array_push(&prune, - "--exclude-promisor-objects"); - if (run_command_v_opt(prune.argv, RUN_GIT_CMD)) - die(FAILED_RUN, prune.argv[0]); + strvec_push(&prune, "--no-progress"); + if (has_promisor_remote()) + strvec_push(&prune, + "--exclude-promisor-objects"); + if (run_command_v_opt(prune.v, RUN_GIT_CMD)) + die(FAILED_RUN, prune.v[0]); } } if (prune_worktrees_expire) { - argv_array_push(&prune_worktrees, prune_worktrees_expire); - if (run_command_v_opt(prune_worktrees.argv, RUN_GIT_CMD)) - die(FAILED_RUN, prune_worktrees.argv[0]); + strvec_push(&prune_worktrees, prune_worktrees_expire); + if (run_command_v_opt(prune_worktrees.v, RUN_GIT_CMD)) + die(FAILED_RUN, prune_worktrees.v[0]); } - if (run_command_v_opt(rerere.argv, RUN_GIT_CMD)) - die(FAILED_RUN, rerere.argv[0]); + if (run_command_v_opt(rerere.v, RUN_GIT_CMD)) + die(FAILED_RUN, rerere.v[0]); report_garbage = report_pack_garbage; reprepare_packed_git(the_repository); @@ -685,10 +695,11 @@ int cmd_gc(int argc, const char **argv, const char *prefix) clean_pack_garbage(); } - if (gc_write_commit_graph && - write_commit_graph_reachable(get_object_directory(), - !quiet && !daemonized ? COMMIT_GRAPH_PROGRESS : 0)) - return 1; + prepare_repo_settings(the_repository); + if (the_repository->settings.gc_write_commit_graph == 1) + write_commit_graph_reachable(the_repository->objects->odb, + !quiet && !daemonized ? COMMIT_GRAPH_WRITE_PROGRESS : 0, + NULL); if (auto_gc && too_many_loose_objects()) warning(_("There are too many unreachable loose objects; " @@ -699,3 +710,1321 @@ int cmd_gc(int argc, const char **argv, const char *prefix) return 0; } + +static const char *const builtin_maintenance_run_usage[] = { + N_("git maintenance run [--auto] [--[no-]quiet] [--task=<task>] [--schedule]"), + NULL +}; + +enum schedule_priority { + SCHEDULE_NONE = 0, + SCHEDULE_WEEKLY = 1, + SCHEDULE_DAILY = 2, + SCHEDULE_HOURLY = 3, +}; + +static enum schedule_priority parse_schedule(const char *value) +{ + if (!value) + return SCHEDULE_NONE; + if (!strcasecmp(value, "hourly")) + return SCHEDULE_HOURLY; + if (!strcasecmp(value, "daily")) + return SCHEDULE_DAILY; + if (!strcasecmp(value, "weekly")) + return SCHEDULE_WEEKLY; + return SCHEDULE_NONE; +} + +static int maintenance_opt_schedule(const struct option *opt, const char *arg, + int unset) +{ + enum schedule_priority *priority = opt->value; + + if (unset) + die(_("--no-schedule is not allowed")); + + *priority = parse_schedule(arg); + + if (!*priority) + die(_("unrecognized --schedule argument '%s'"), arg); + + return 0; +} + +struct maintenance_run_opts { + int auto_flag; + int quiet; + enum schedule_priority schedule; +}; + +/* Remember to update object flag allocation in object.h */ +#define SEEN (1u<<0) + +struct cg_auto_data { + int num_not_in_graph; + int limit; +}; + +static int dfs_on_ref(const char *refname, + const struct object_id *oid, int flags, + void *cb_data) +{ + struct cg_auto_data *data = (struct cg_auto_data *)cb_data; + int result = 0; + struct object_id peeled; + struct commit_list *stack = NULL; + struct commit *commit; + + if (!peel_iterated_oid(oid, &peeled)) + oid = &peeled; + if (oid_object_info(the_repository, oid, NULL) != OBJ_COMMIT) + return 0; + + commit = lookup_commit(the_repository, oid); + if (!commit) + return 0; + if (parse_commit(commit) || + commit_graph_position(commit) != COMMIT_NOT_FROM_GRAPH) + return 0; + + data->num_not_in_graph++; + + if (data->num_not_in_graph >= data->limit) + return 1; + + commit_list_append(commit, &stack); + + while (!result && stack) { + struct commit_list *parent; + + commit = pop_commit(&stack); + + for (parent = commit->parents; parent; parent = parent->next) { + if (parse_commit(parent->item) || + commit_graph_position(parent->item) != COMMIT_NOT_FROM_GRAPH || + parent->item->object.flags & SEEN) + continue; + + parent->item->object.flags |= SEEN; + data->num_not_in_graph++; + + if (data->num_not_in_graph >= data->limit) { + result = 1; + break; + } + + commit_list_append(parent->item, &stack); + } + } + + free_commit_list(stack); + return result; +} + +static int should_write_commit_graph(void) +{ + int result; + struct cg_auto_data data; + + data.num_not_in_graph = 0; + data.limit = 100; + git_config_get_int("maintenance.commit-graph.auto", + &data.limit); + + if (!data.limit) + return 0; + if (data.limit < 0) + return 1; + + result = for_each_ref(dfs_on_ref, &data); + + repo_clear_commit_marks(the_repository, SEEN); + + return result; +} + +static int run_write_commit_graph(struct maintenance_run_opts *opts) +{ + struct child_process child = CHILD_PROCESS_INIT; + + child.git_cmd = 1; + strvec_pushl(&child.args, "commit-graph", "write", + "--split", "--reachable", NULL); + + if (opts->quiet) + strvec_push(&child.args, "--no-progress"); + + return !!run_command(&child); +} + +static int maintenance_task_commit_graph(struct maintenance_run_opts *opts) +{ + prepare_repo_settings(the_repository); + if (!the_repository->settings.core_commit_graph) + return 0; + + close_object_store(the_repository->objects); + if (run_write_commit_graph(opts)) { + error(_("failed to write commit-graph")); + return 1; + } + + return 0; +} + +static int fetch_remote(struct remote *remote, void *cbdata) +{ + struct maintenance_run_opts *opts = cbdata; + struct child_process child = CHILD_PROCESS_INIT; + + if (remote->skip_default_update) + return 0; + + child.git_cmd = 1; + strvec_pushl(&child.args, "fetch", remote->name, + "--prefetch", "--prune", "--no-tags", + "--no-write-fetch-head", "--recurse-submodules=no", + NULL); + + if (opts->quiet) + strvec_push(&child.args, "--quiet"); + + return !!run_command(&child); +} + +static int maintenance_task_prefetch(struct maintenance_run_opts *opts) +{ + git_config_set_multivar_gently("log.excludedecoration", + "refs/prefetch/", + "refs/prefetch/", + CONFIG_FLAGS_FIXED_VALUE | + CONFIG_FLAGS_MULTI_REPLACE); + + if (for_each_remote(fetch_remote, opts)) { + error(_("failed to prefetch remotes")); + return 1; + } + + return 0; +} + +static int maintenance_task_gc(struct maintenance_run_opts *opts) +{ + struct child_process child = CHILD_PROCESS_INIT; + + child.git_cmd = 1; + strvec_push(&child.args, "gc"); + + if (opts->auto_flag) + strvec_push(&child.args, "--auto"); + if (opts->quiet) + strvec_push(&child.args, "--quiet"); + else + strvec_push(&child.args, "--no-quiet"); + + close_object_store(the_repository->objects); + return run_command(&child); +} + +static int prune_packed(struct maintenance_run_opts *opts) +{ + struct child_process child = CHILD_PROCESS_INIT; + + child.git_cmd = 1; + strvec_push(&child.args, "prune-packed"); + + if (opts->quiet) + strvec_push(&child.args, "--quiet"); + + return !!run_command(&child); +} + +struct write_loose_object_data { + FILE *in; + int count; + int batch_size; +}; + +static int loose_object_auto_limit = 100; + +static int loose_object_count(const struct object_id *oid, + const char *path, + void *data) +{ + int *count = (int*)data; + if (++(*count) >= loose_object_auto_limit) + return 1; + return 0; +} + +static int loose_object_auto_condition(void) +{ + int count = 0; + + git_config_get_int("maintenance.loose-objects.auto", + &loose_object_auto_limit); + + if (!loose_object_auto_limit) + return 0; + if (loose_object_auto_limit < 0) + return 1; + + return for_each_loose_file_in_objdir(the_repository->objects->odb->path, + loose_object_count, + NULL, NULL, &count); +} + +static int bail_on_loose(const struct object_id *oid, + const char *path, + void *data) +{ + return 1; +} + +static int write_loose_object_to_stdin(const struct object_id *oid, + const char *path, + void *data) +{ + struct write_loose_object_data *d = (struct write_loose_object_data *)data; + + fprintf(d->in, "%s\n", oid_to_hex(oid)); + + return ++(d->count) > d->batch_size; +} + +static int pack_loose(struct maintenance_run_opts *opts) +{ + struct repository *r = the_repository; + int result = 0; + struct write_loose_object_data data; + struct child_process pack_proc = CHILD_PROCESS_INIT; + + /* + * Do not start pack-objects process + * if there are no loose objects. + */ + if (!for_each_loose_file_in_objdir(r->objects->odb->path, + bail_on_loose, + NULL, NULL, NULL)) + return 0; + + pack_proc.git_cmd = 1; + + strvec_push(&pack_proc.args, "pack-objects"); + if (opts->quiet) + strvec_push(&pack_proc.args, "--quiet"); + strvec_pushf(&pack_proc.args, "%s/pack/loose", r->objects->odb->path); + + pack_proc.in = -1; + + if (start_command(&pack_proc)) { + error(_("failed to start 'git pack-objects' process")); + return 1; + } + + data.in = xfdopen(pack_proc.in, "w"); + data.count = 0; + data.batch_size = 50000; + + for_each_loose_file_in_objdir(r->objects->odb->path, + write_loose_object_to_stdin, + NULL, + NULL, + &data); + + fclose(data.in); + + if (finish_command(&pack_proc)) { + error(_("failed to finish 'git pack-objects' process")); + result = 1; + } + + return result; +} + +static int maintenance_task_loose_objects(struct maintenance_run_opts *opts) +{ + return prune_packed(opts) || pack_loose(opts); +} + +static int incremental_repack_auto_condition(void) +{ + struct packed_git *p; + int enabled; + int incremental_repack_auto_limit = 10; + int count = 0; + + if (git_config_get_bool("core.multiPackIndex", &enabled) || + !enabled) + return 0; + + git_config_get_int("maintenance.incremental-repack.auto", + &incremental_repack_auto_limit); + + if (!incremental_repack_auto_limit) + return 0; + if (incremental_repack_auto_limit < 0) + return 1; + + for (p = get_packed_git(the_repository); + count < incremental_repack_auto_limit && p; + p = p->next) { + if (!p->multi_pack_index) + count++; + } + + return count >= incremental_repack_auto_limit; +} + +static int multi_pack_index_write(struct maintenance_run_opts *opts) +{ + struct child_process child = CHILD_PROCESS_INIT; + + child.git_cmd = 1; + strvec_pushl(&child.args, "multi-pack-index", "write", NULL); + + if (opts->quiet) + strvec_push(&child.args, "--no-progress"); + + if (run_command(&child)) + return error(_("failed to write multi-pack-index")); + + return 0; +} + +static int multi_pack_index_expire(struct maintenance_run_opts *opts) +{ + struct child_process child = CHILD_PROCESS_INIT; + + child.git_cmd = 1; + strvec_pushl(&child.args, "multi-pack-index", "expire", NULL); + + if (opts->quiet) + strvec_push(&child.args, "--no-progress"); + + close_object_store(the_repository->objects); + + if (run_command(&child)) + return error(_("'git multi-pack-index expire' failed")); + + return 0; +} + +#define TWO_GIGABYTES (INT32_MAX) + +static off_t get_auto_pack_size(void) +{ + /* + * The "auto" value is special: we optimize for + * one large pack-file (i.e. from a clone) and + * expect the rest to be small and they can be + * repacked quickly. + * + * The strategy we select here is to select a + * size that is one more than the second largest + * pack-file. This ensures that we will repack + * at least two packs if there are three or more + * packs. + */ + off_t max_size = 0; + off_t second_largest_size = 0; + off_t result_size; + struct packed_git *p; + struct repository *r = the_repository; + + reprepare_packed_git(r); + for (p = get_all_packs(r); p; p = p->next) { + if (p->pack_size > max_size) { + second_largest_size = max_size; + max_size = p->pack_size; + } else if (p->pack_size > second_largest_size) + second_largest_size = p->pack_size; + } + + result_size = second_largest_size + 1; + + /* But limit ourselves to a batch size of 2g */ + if (result_size > TWO_GIGABYTES) + result_size = TWO_GIGABYTES; + + return result_size; +} + +static int multi_pack_index_repack(struct maintenance_run_opts *opts) +{ + struct child_process child = CHILD_PROCESS_INIT; + + child.git_cmd = 1; + strvec_pushl(&child.args, "multi-pack-index", "repack", NULL); + + if (opts->quiet) + strvec_push(&child.args, "--no-progress"); + + strvec_pushf(&child.args, "--batch-size=%"PRIuMAX, + (uintmax_t)get_auto_pack_size()); + + close_object_store(the_repository->objects); + + if (run_command(&child)) + return error(_("'git multi-pack-index repack' failed")); + + return 0; +} + +static int maintenance_task_incremental_repack(struct maintenance_run_opts *opts) +{ + prepare_repo_settings(the_repository); + if (!the_repository->settings.core_multi_pack_index) { + warning(_("skipping incremental-repack task because core.multiPackIndex is disabled")); + return 0; + } + + if (multi_pack_index_write(opts)) + return 1; + if (multi_pack_index_expire(opts)) + return 1; + if (multi_pack_index_repack(opts)) + return 1; + return 0; +} + +typedef int maintenance_task_fn(struct maintenance_run_opts *opts); + +/* + * An auto condition function returns 1 if the task should run + * and 0 if the task should NOT run. See needs_to_gc() for an + * example. + */ +typedef int maintenance_auto_fn(void); + +struct maintenance_task { + const char *name; + maintenance_task_fn *fn; + maintenance_auto_fn *auto_condition; + unsigned enabled:1; + + enum schedule_priority schedule; + + /* -1 if not selected. */ + int selected_order; +}; + +enum maintenance_task_label { + TASK_PREFETCH, + TASK_LOOSE_OBJECTS, + TASK_INCREMENTAL_REPACK, + TASK_GC, + TASK_COMMIT_GRAPH, + TASK_PACK_REFS, + + /* Leave as final value */ + TASK__COUNT +}; + +static struct maintenance_task tasks[] = { + [TASK_PREFETCH] = { + "prefetch", + maintenance_task_prefetch, + }, + [TASK_LOOSE_OBJECTS] = { + "loose-objects", + maintenance_task_loose_objects, + loose_object_auto_condition, + }, + [TASK_INCREMENTAL_REPACK] = { + "incremental-repack", + maintenance_task_incremental_repack, + incremental_repack_auto_condition, + }, + [TASK_GC] = { + "gc", + maintenance_task_gc, + need_to_gc, + 1, + }, + [TASK_COMMIT_GRAPH] = { + "commit-graph", + maintenance_task_commit_graph, + should_write_commit_graph, + }, + [TASK_PACK_REFS] = { + "pack-refs", + maintenance_task_pack_refs, + NULL, + }, +}; + +static int compare_tasks_by_selection(const void *a_, const void *b_) +{ + const struct maintenance_task *a = a_; + const struct maintenance_task *b = b_; + + return b->selected_order - a->selected_order; +} + +static int maintenance_run_tasks(struct maintenance_run_opts *opts) +{ + int i, found_selected = 0; + int result = 0; + struct lock_file lk; + struct repository *r = the_repository; + char *lock_path = xstrfmt("%s/maintenance", r->objects->odb->path); + + if (hold_lock_file_for_update(&lk, lock_path, LOCK_NO_DEREF) < 0) { + /* + * Another maintenance command is running. + * + * If --auto was provided, then it is likely due to a + * recursive process stack. Do not report an error in + * that case. + */ + if (!opts->auto_flag && !opts->quiet) + warning(_("lock file '%s' exists, skipping maintenance"), + lock_path); + free(lock_path); + return 0; + } + free(lock_path); + + for (i = 0; !found_selected && i < TASK__COUNT; i++) + found_selected = tasks[i].selected_order >= 0; + + if (found_selected) + QSORT(tasks, TASK__COUNT, compare_tasks_by_selection); + + for (i = 0; i < TASK__COUNT; i++) { + if (found_selected && tasks[i].selected_order < 0) + continue; + + if (!found_selected && !tasks[i].enabled) + continue; + + if (opts->auto_flag && + (!tasks[i].auto_condition || + !tasks[i].auto_condition())) + continue; + + if (opts->schedule && tasks[i].schedule < opts->schedule) + continue; + + trace2_region_enter("maintenance", tasks[i].name, r); + if (tasks[i].fn(opts)) { + error(_("task '%s' failed"), tasks[i].name); + result = 1; + } + trace2_region_leave("maintenance", tasks[i].name, r); + } + + rollback_lock_file(&lk); + return result; +} + +static void initialize_maintenance_strategy(void) +{ + char *config_str; + + if (git_config_get_string("maintenance.strategy", &config_str)) + return; + + if (!strcasecmp(config_str, "incremental")) { + tasks[TASK_GC].schedule = SCHEDULE_NONE; + tasks[TASK_COMMIT_GRAPH].enabled = 1; + tasks[TASK_COMMIT_GRAPH].schedule = SCHEDULE_HOURLY; + tasks[TASK_PREFETCH].enabled = 1; + tasks[TASK_PREFETCH].schedule = SCHEDULE_HOURLY; + tasks[TASK_INCREMENTAL_REPACK].enabled = 1; + tasks[TASK_INCREMENTAL_REPACK].schedule = SCHEDULE_DAILY; + tasks[TASK_LOOSE_OBJECTS].enabled = 1; + tasks[TASK_LOOSE_OBJECTS].schedule = SCHEDULE_DAILY; + tasks[TASK_PACK_REFS].enabled = 1; + tasks[TASK_PACK_REFS].schedule = SCHEDULE_WEEKLY; + } +} + +static void initialize_task_config(int schedule) +{ + int i; + struct strbuf config_name = STRBUF_INIT; + gc_config(); + + if (schedule) + initialize_maintenance_strategy(); + + for (i = 0; i < TASK__COUNT; i++) { + int config_value; + char *config_str; + + strbuf_reset(&config_name); + strbuf_addf(&config_name, "maintenance.%s.enabled", + tasks[i].name); + + if (!git_config_get_bool(config_name.buf, &config_value)) + tasks[i].enabled = config_value; + + strbuf_reset(&config_name); + strbuf_addf(&config_name, "maintenance.%s.schedule", + tasks[i].name); + + if (!git_config_get_string(config_name.buf, &config_str)) { + tasks[i].schedule = parse_schedule(config_str); + free(config_str); + } + } + + strbuf_release(&config_name); +} + +static int task_option_parse(const struct option *opt, + const char *arg, int unset) +{ + int i, num_selected = 0; + struct maintenance_task *task = NULL; + + BUG_ON_OPT_NEG(unset); + + for (i = 0; i < TASK__COUNT; i++) { + if (tasks[i].selected_order >= 0) + num_selected++; + if (!strcasecmp(tasks[i].name, arg)) { + task = &tasks[i]; + } + } + + if (!task) { + error(_("'%s' is not a valid task"), arg); + return 1; + } + + if (task->selected_order >= 0) { + error(_("task '%s' cannot be selected multiple times"), arg); + return 1; + } + + task->selected_order = num_selected + 1; + + return 0; +} + +static int maintenance_run(int argc, const char **argv, const char *prefix) +{ + int i; + struct maintenance_run_opts opts; + struct option builtin_maintenance_run_options[] = { + OPT_BOOL(0, "auto", &opts.auto_flag, + N_("run tasks based on the state of the repository")), + OPT_CALLBACK(0, "schedule", &opts.schedule, N_("frequency"), + N_("run tasks based on frequency"), + maintenance_opt_schedule), + OPT_BOOL(0, "quiet", &opts.quiet, + N_("do not report progress or other information over stderr")), + OPT_CALLBACK_F(0, "task", NULL, N_("task"), + N_("run a specific task"), + PARSE_OPT_NONEG, task_option_parse), + OPT_END() + }; + memset(&opts, 0, sizeof(opts)); + + opts.quiet = !isatty(2); + + for (i = 0; i < TASK__COUNT; i++) + tasks[i].selected_order = -1; + + argc = parse_options(argc, argv, prefix, + builtin_maintenance_run_options, + builtin_maintenance_run_usage, + PARSE_OPT_STOP_AT_NON_OPTION); + + if (opts.auto_flag && opts.schedule) + die(_("use at most one of --auto and --schedule=<frequency>")); + + initialize_task_config(opts.schedule); + + if (argc != 0) + usage_with_options(builtin_maintenance_run_usage, + builtin_maintenance_run_options); + return maintenance_run_tasks(&opts); +} + +static char *get_maintpath(void) +{ + struct strbuf sb = STRBUF_INIT; + const char *p = the_repository->worktree ? + the_repository->worktree : the_repository->gitdir; + + strbuf_realpath(&sb, p, 1); + return strbuf_detach(&sb, NULL); +} + +static int maintenance_register(void) +{ + int rc; + char *config_value; + struct child_process config_set = CHILD_PROCESS_INIT; + struct child_process config_get = CHILD_PROCESS_INIT; + char *maintpath = get_maintpath(); + + /* Disable foreground maintenance */ + git_config_set("maintenance.auto", "false"); + + /* Set maintenance strategy, if unset */ + if (!git_config_get_string("maintenance.strategy", &config_value)) + free(config_value); + else + git_config_set("maintenance.strategy", "incremental"); + + config_get.git_cmd = 1; + strvec_pushl(&config_get.args, "config", "--global", "--get", + "--fixed-value", "maintenance.repo", maintpath, NULL); + config_get.out = -1; + + if (start_command(&config_get)) { + rc = error(_("failed to run 'git config'")); + goto done; + } + + /* We already have this value in our config! */ + if (!finish_command(&config_get)) { + rc = 0; + goto done; + } + + config_set.git_cmd = 1; + strvec_pushl(&config_set.args, "config", "--add", "--global", "maintenance.repo", + maintpath, NULL); + + rc = run_command(&config_set); + +done: + free(maintpath); + return rc; +} + +static int maintenance_unregister(void) +{ + int rc; + struct child_process config_unset = CHILD_PROCESS_INIT; + char *maintpath = get_maintpath(); + + config_unset.git_cmd = 1; + strvec_pushl(&config_unset.args, "config", "--global", "--unset", + "--fixed-value", "maintenance.repo", maintpath, NULL); + + rc = run_command(&config_unset); + free(maintpath); + return rc; +} + +static const char *get_frequency(enum schedule_priority schedule) +{ + switch (schedule) { + case SCHEDULE_HOURLY: + return "hourly"; + case SCHEDULE_DAILY: + return "daily"; + case SCHEDULE_WEEKLY: + return "weekly"; + default: + BUG("invalid schedule %d", schedule); + } +} + +static char *launchctl_service_name(const char *frequency) +{ + struct strbuf label = STRBUF_INIT; + strbuf_addf(&label, "org.git-scm.git.%s", frequency); + return strbuf_detach(&label, NULL); +} + +static char *launchctl_service_filename(const char *name) +{ + char *expanded; + struct strbuf filename = STRBUF_INIT; + strbuf_addf(&filename, "~/Library/LaunchAgents/%s.plist", name); + + expanded = interpolate_path(filename.buf, 1); + if (!expanded) + die(_("failed to expand path '%s'"), filename.buf); + + strbuf_release(&filename); + return expanded; +} + +static char *launchctl_get_uid(void) +{ + return xstrfmt("gui/%d", getuid()); +} + +static int launchctl_boot_plist(int enable, const char *filename, const char *cmd) +{ + int result; + struct child_process child = CHILD_PROCESS_INIT; + char *uid = launchctl_get_uid(); + + strvec_split(&child.args, cmd); + if (enable) + strvec_push(&child.args, "bootstrap"); + else + strvec_push(&child.args, "bootout"); + strvec_push(&child.args, uid); + strvec_push(&child.args, filename); + + child.no_stderr = 1; + child.no_stdout = 1; + + if (start_command(&child)) + die(_("failed to start launchctl")); + + result = finish_command(&child); + + free(uid); + return result; +} + +static int launchctl_remove_plist(enum schedule_priority schedule, const char *cmd) +{ + const char *frequency = get_frequency(schedule); + char *name = launchctl_service_name(frequency); + char *filename = launchctl_service_filename(name); + int result = launchctl_boot_plist(0, filename, cmd); + unlink(filename); + free(filename); + free(name); + return result; +} + +static int launchctl_remove_plists(const char *cmd) +{ + return launchctl_remove_plist(SCHEDULE_HOURLY, cmd) || + launchctl_remove_plist(SCHEDULE_DAILY, cmd) || + launchctl_remove_plist(SCHEDULE_WEEKLY, cmd); +} + +static int launchctl_schedule_plist(const char *exec_path, enum schedule_priority schedule, const char *cmd) +{ + FILE *plist; + int i; + const char *preamble, *repeat; + const char *frequency = get_frequency(schedule); + char *name = launchctl_service_name(frequency); + char *filename = launchctl_service_filename(name); + + if (safe_create_leading_directories(filename)) + die(_("failed to create directories for '%s'"), filename); + plist = xfopen(filename, "w"); + + preamble = "<?xml version=\"1.0\"?>\n" + "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n" + "<plist version=\"1.0\">" + "<dict>\n" + "<key>Label</key><string>%s</string>\n" + "<key>ProgramArguments</key>\n" + "<array>\n" + "<string>%s/git</string>\n" + "<string>--exec-path=%s</string>\n" + "<string>for-each-repo</string>\n" + "<string>--config=maintenance.repo</string>\n" + "<string>maintenance</string>\n" + "<string>run</string>\n" + "<string>--schedule=%s</string>\n" + "</array>\n" + "<key>StartCalendarInterval</key>\n" + "<array>\n"; + fprintf(plist, preamble, name, exec_path, exec_path, frequency); + + switch (schedule) { + case SCHEDULE_HOURLY: + repeat = "<dict>\n" + "<key>Hour</key><integer>%d</integer>\n" + "<key>Minute</key><integer>0</integer>\n" + "</dict>\n"; + for (i = 1; i <= 23; i++) + fprintf(plist, repeat, i); + break; + + case SCHEDULE_DAILY: + repeat = "<dict>\n" + "<key>Day</key><integer>%d</integer>\n" + "<key>Hour</key><integer>0</integer>\n" + "<key>Minute</key><integer>0</integer>\n" + "</dict>\n"; + for (i = 1; i <= 6; i++) + fprintf(plist, repeat, i); + break; + + case SCHEDULE_WEEKLY: + fprintf(plist, + "<dict>\n" + "<key>Day</key><integer>0</integer>\n" + "<key>Hour</key><integer>0</integer>\n" + "<key>Minute</key><integer>0</integer>\n" + "</dict>\n"); + break; + + default: + /* unreachable */ + break; + } + fprintf(plist, "</array>\n</dict>\n</plist>\n"); + fclose(plist); + + /* bootout might fail if not already running, so ignore */ + launchctl_boot_plist(0, filename, cmd); + if (launchctl_boot_plist(1, filename, cmd)) + die(_("failed to bootstrap service %s"), filename); + + free(filename); + free(name); + return 0; +} + +static int launchctl_add_plists(const char *cmd) +{ + const char *exec_path = git_exec_path(); + + return launchctl_schedule_plist(exec_path, SCHEDULE_HOURLY, cmd) || + launchctl_schedule_plist(exec_path, SCHEDULE_DAILY, cmd) || + launchctl_schedule_plist(exec_path, SCHEDULE_WEEKLY, cmd); +} + +static int launchctl_update_schedule(int run_maintenance, int fd, const char *cmd) +{ + if (run_maintenance) + return launchctl_add_plists(cmd); + else + return launchctl_remove_plists(cmd); +} + +static char *schtasks_task_name(const char *frequency) +{ + struct strbuf label = STRBUF_INIT; + strbuf_addf(&label, "Git Maintenance (%s)", frequency); + return strbuf_detach(&label, NULL); +} + +static int schtasks_remove_task(enum schedule_priority schedule, const char *cmd) +{ + int result; + struct strvec args = STRVEC_INIT; + const char *frequency = get_frequency(schedule); + char *name = schtasks_task_name(frequency); + + strvec_split(&args, cmd); + strvec_pushl(&args, "/delete", "/tn", name, "/f", NULL); + + result = run_command_v_opt(args.v, 0); + + strvec_clear(&args); + free(name); + return result; +} + +static int schtasks_remove_tasks(const char *cmd) +{ + return schtasks_remove_task(SCHEDULE_HOURLY, cmd) || + schtasks_remove_task(SCHEDULE_DAILY, cmd) || + schtasks_remove_task(SCHEDULE_WEEKLY, cmd); +} + +static int schtasks_schedule_task(const char *exec_path, enum schedule_priority schedule, const char *cmd) +{ + int result; + struct child_process child = CHILD_PROCESS_INIT; + const char *xml; + struct tempfile *tfile; + const char *frequency = get_frequency(schedule); + char *name = schtasks_task_name(frequency); + struct strbuf tfilename = STRBUF_INIT; + + strbuf_addf(&tfilename, "%s/schedule_%s_XXXXXX", + get_git_common_dir(), frequency); + tfile = xmks_tempfile(tfilename.buf); + strbuf_release(&tfilename); + + if (!fdopen_tempfile(tfile, "w")) + die(_("failed to create temp xml file")); + + xml = "<?xml version=\"1.0\" ?>\n" + "<Task version=\"1.4\" xmlns=\"http://schemas.microsoft.com/windows/2004/02/mit/task\">\n" + "<Triggers>\n" + "<CalendarTrigger>\n"; + fputs(xml, tfile->fp); + + switch (schedule) { + case SCHEDULE_HOURLY: + fprintf(tfile->fp, + "<StartBoundary>2020-01-01T01:00:00</StartBoundary>\n" + "<Enabled>true</Enabled>\n" + "<ScheduleByDay>\n" + "<DaysInterval>1</DaysInterval>\n" + "</ScheduleByDay>\n" + "<Repetition>\n" + "<Interval>PT1H</Interval>\n" + "<Duration>PT23H</Duration>\n" + "<StopAtDurationEnd>false</StopAtDurationEnd>\n" + "</Repetition>\n"); + break; + + case SCHEDULE_DAILY: + fprintf(tfile->fp, + "<StartBoundary>2020-01-01T00:00:00</StartBoundary>\n" + "<Enabled>true</Enabled>\n" + "<ScheduleByWeek>\n" + "<DaysOfWeek>\n" + "<Monday />\n" + "<Tuesday />\n" + "<Wednesday />\n" + "<Thursday />\n" + "<Friday />\n" + "<Saturday />\n" + "</DaysOfWeek>\n" + "<WeeksInterval>1</WeeksInterval>\n" + "</ScheduleByWeek>\n"); + break; + + case SCHEDULE_WEEKLY: + fprintf(tfile->fp, + "<StartBoundary>2020-01-01T00:00:00</StartBoundary>\n" + "<Enabled>true</Enabled>\n" + "<ScheduleByWeek>\n" + "<DaysOfWeek>\n" + "<Sunday />\n" + "</DaysOfWeek>\n" + "<WeeksInterval>1</WeeksInterval>\n" + "</ScheduleByWeek>\n"); + break; + + default: + break; + } + + xml = "</CalendarTrigger>\n" + "</Triggers>\n" + "<Principals>\n" + "<Principal id=\"Author\">\n" + "<LogonType>InteractiveToken</LogonType>\n" + "<RunLevel>LeastPrivilege</RunLevel>\n" + "</Principal>\n" + "</Principals>\n" + "<Settings>\n" + "<MultipleInstancesPolicy>IgnoreNew</MultipleInstancesPolicy>\n" + "<Enabled>true</Enabled>\n" + "<Hidden>true</Hidden>\n" + "<UseUnifiedSchedulingEngine>true</UseUnifiedSchedulingEngine>\n" + "<WakeToRun>false</WakeToRun>\n" + "<ExecutionTimeLimit>PT72H</ExecutionTimeLimit>\n" + "<Priority>7</Priority>\n" + "</Settings>\n" + "<Actions Context=\"Author\">\n" + "<Exec>\n" + "<Command>\"%s\\git.exe\"</Command>\n" + "<Arguments>--exec-path=\"%s\" for-each-repo --config=maintenance.repo maintenance run --schedule=%s</Arguments>\n" + "</Exec>\n" + "</Actions>\n" + "</Task>\n"; + fprintf(tfile->fp, xml, exec_path, exec_path, frequency); + strvec_split(&child.args, cmd); + strvec_pushl(&child.args, "/create", "/tn", name, "/f", "/xml", + get_tempfile_path(tfile), NULL); + close_tempfile_gently(tfile); + + child.no_stdout = 1; + child.no_stderr = 1; + + if (start_command(&child)) + die(_("failed to start schtasks")); + result = finish_command(&child); + + delete_tempfile(&tfile); + free(name); + return result; +} + +static int schtasks_schedule_tasks(const char *cmd) +{ + const char *exec_path = git_exec_path(); + + return schtasks_schedule_task(exec_path, SCHEDULE_HOURLY, cmd) || + schtasks_schedule_task(exec_path, SCHEDULE_DAILY, cmd) || + schtasks_schedule_task(exec_path, SCHEDULE_WEEKLY, cmd); +} + +static int schtasks_update_schedule(int run_maintenance, int fd, const char *cmd) +{ + if (run_maintenance) + return schtasks_schedule_tasks(cmd); + else + return schtasks_remove_tasks(cmd); +} + +#define BEGIN_LINE "# BEGIN GIT MAINTENANCE SCHEDULE" +#define END_LINE "# END GIT MAINTENANCE SCHEDULE" + +static int crontab_update_schedule(int run_maintenance, int fd, const char *cmd) +{ + int result = 0; + int in_old_region = 0; + struct child_process crontab_list = CHILD_PROCESS_INIT; + struct child_process crontab_edit = CHILD_PROCESS_INIT; + FILE *cron_list, *cron_in; + struct strbuf line = STRBUF_INIT; + + strvec_split(&crontab_list.args, cmd); + strvec_push(&crontab_list.args, "-l"); + crontab_list.in = -1; + crontab_list.out = dup(fd); + crontab_list.git_cmd = 0; + + if (start_command(&crontab_list)) + return error(_("failed to run 'crontab -l'; your system might not support 'cron'")); + + /* Ignore exit code, as an empty crontab will return error. */ + finish_command(&crontab_list); + + /* + * Read from the .lock file, filtering out the old + * schedule while appending the new schedule. + */ + cron_list = fdopen(fd, "r"); + rewind(cron_list); + + strvec_split(&crontab_edit.args, cmd); + crontab_edit.in = -1; + crontab_edit.git_cmd = 0; + + if (start_command(&crontab_edit)) + return error(_("failed to run 'crontab'; your system might not support 'cron'")); + + cron_in = fdopen(crontab_edit.in, "w"); + if (!cron_in) { + result = error(_("failed to open stdin of 'crontab'")); + goto done_editing; + } + + while (!strbuf_getline_lf(&line, cron_list)) { + if (!in_old_region && !strcmp(line.buf, BEGIN_LINE)) + in_old_region = 1; + else if (in_old_region && !strcmp(line.buf, END_LINE)) + in_old_region = 0; + else if (!in_old_region) + fprintf(cron_in, "%s\n", line.buf); + } + strbuf_release(&line); + + if (run_maintenance) { + struct strbuf line_format = STRBUF_INIT; + const char *exec_path = git_exec_path(); + + fprintf(cron_in, "%s\n", BEGIN_LINE); + fprintf(cron_in, + "# The following schedule was created by Git\n"); + fprintf(cron_in, "# Any edits made in this region might be\n"); + fprintf(cron_in, + "# replaced in the future by a Git command.\n\n"); + + strbuf_addf(&line_format, + "%%s %%s * * %%s \"%s/git\" --exec-path=\"%s\" for-each-repo --config=maintenance.repo maintenance run --schedule=%%s\n", + exec_path, exec_path); + fprintf(cron_in, line_format.buf, "0", "1-23", "*", "hourly"); + fprintf(cron_in, line_format.buf, "0", "0", "1-6", "daily"); + fprintf(cron_in, line_format.buf, "0", "0", "0", "weekly"); + strbuf_release(&line_format); + + fprintf(cron_in, "\n%s\n", END_LINE); + } + + fflush(cron_in); + fclose(cron_in); + close(crontab_edit.in); + +done_editing: + if (finish_command(&crontab_edit)) + result = error(_("'crontab' died")); + else + fclose(cron_list); + return result; +} + +#if defined(__APPLE__) +static const char platform_scheduler[] = "launchctl"; +#elif defined(GIT_WINDOWS_NATIVE) +static const char platform_scheduler[] = "schtasks"; +#else +static const char platform_scheduler[] = "crontab"; +#endif + +static int update_background_schedule(int enable) +{ + int result; + const char *scheduler = platform_scheduler; + const char *cmd = scheduler; + char *testing; + struct lock_file lk; + char *lock_path = xstrfmt("%s/schedule", the_repository->objects->odb->path); + + testing = xstrdup_or_null(getenv("GIT_TEST_MAINT_SCHEDULER")); + if (testing) { + char *sep = strchr(testing, ':'); + if (!sep) + die("GIT_TEST_MAINT_SCHEDULER unparseable: %s", testing); + *sep = '\0'; + scheduler = testing; + cmd = sep + 1; + } + + if (hold_lock_file_for_update(&lk, lock_path, LOCK_NO_DEREF) < 0) { + result = error(_("another process is scheduling background maintenance")); + goto cleanup; + } + + if (!strcmp(scheduler, "launchctl")) + result = launchctl_update_schedule(enable, get_lock_file_fd(&lk), cmd); + else if (!strcmp(scheduler, "schtasks")) + result = schtasks_update_schedule(enable, get_lock_file_fd(&lk), cmd); + else if (!strcmp(scheduler, "crontab")) + result = crontab_update_schedule(enable, get_lock_file_fd(&lk), cmd); + else + die("unknown background scheduler: %s", scheduler); + + rollback_lock_file(&lk); + +cleanup: + free(lock_path); + free(testing); + return result; +} + +static int maintenance_start(void) +{ + if (maintenance_register()) + warning(_("failed to add repo to global config")); + + return update_background_schedule(1); +} + +static int maintenance_stop(void) +{ + return update_background_schedule(0); +} + +static const char builtin_maintenance_usage[] = N_("git maintenance <subcommand> [<options>]"); + +int cmd_maintenance(int argc, const char **argv, const char *prefix) +{ + if (argc < 2 || + (argc == 2 && !strcmp(argv[1], "-h"))) + usage(builtin_maintenance_usage); + + if (!strcmp(argv[1], "run")) + return maintenance_run(argc - 1, argv + 1, prefix); + if (!strcmp(argv[1], "start")) + return maintenance_start(); + if (!strcmp(argv[1], "stop")) + return maintenance_stop(); + if (!strcmp(argv[1], "register")) + return maintenance_register(); + if (!strcmp(argv[1], "unregister")) + return maintenance_unregister(); + + die(_("invalid subcommand: %s"), argv[1]); +} diff --git a/builtin/grep.c b/builtin/grep.c index 580fd38f41..7d2f8e5adb 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -24,6 +24,7 @@ #include "submodule.h" #include "submodule-config.h" #include "object-store.h" +#include "packfile.h" static char const * const grep_usage[] = { N_("git grep [<options>] [-e] <pattern> [<rev>...] [[--] <path>...]"), @@ -32,7 +33,6 @@ static char const * const grep_usage[] = { static int recurse_submodules; -#define GREP_NUM_THREADS_DEFAULT 8 static int num_threads; static pthread_t *threads; @@ -91,8 +91,11 @@ static pthread_cond_t cond_result; static int skip_first_line; -static void add_work(struct grep_opt *opt, const struct grep_source *gs) +static void add_work(struct grep_opt *opt, struct grep_source *gs) { + if (opt->binary != GREP_BINARY_TEXT) + grep_source_load_driver(gs, opt->repo->index); + grep_lock(); while ((todo_end+1) % ARRAY_SIZE(todo) == todo_done) { @@ -100,9 +103,6 @@ static void add_work(struct grep_opt *opt, const struct grep_source *gs) } todo[todo_end].source = *gs; - if (opt->binary != GREP_BINARY_TEXT) - grep_source_load_driver(&todo[todo_end].source, - opt->repo->index); todo[todo_end].done = 0; strbuf_reset(&todo[todo_end].out); todo_end = (todo_end + 1) % ARRAY_SIZE(todo); @@ -200,24 +200,22 @@ static void start_threads(struct grep_opt *opt) int i; pthread_mutex_init(&grep_mutex, NULL); - pthread_mutex_init(&grep_read_mutex, NULL); pthread_mutex_init(&grep_attr_mutex, NULL); pthread_cond_init(&cond_add, NULL); pthread_cond_init(&cond_write, NULL); pthread_cond_init(&cond_result, NULL); grep_use_locks = 1; + enable_obj_read_lock(); for (i = 0; i < ARRAY_SIZE(todo); i++) { strbuf_init(&todo[i].out, 0); } - threads = xcalloc(num_threads, sizeof(*threads)); + CALLOC_ARRAY(threads, num_threads); for (i = 0; i < num_threads; i++) { int err; struct grep_opt *o = grep_opt_dup(opt); o->output = strbuf_out; - if (i) - o->debug = 0; compile_grep_patterns(o); err = pthread_create(&threads[i], NULL, run, o); @@ -257,12 +255,12 @@ static int wait_all(void) free(threads); pthread_mutex_destroy(&grep_mutex); - pthread_mutex_destroy(&grep_read_mutex); pthread_mutex_destroy(&grep_attr_mutex); pthread_cond_destroy(&cond_add); pthread_cond_destroy(&cond_write); pthread_cond_destroy(&cond_result); grep_use_locks = 0; + disable_obj_read_lock(); return hit; } @@ -295,14 +293,36 @@ static int grep_cmd_config(const char *var, const char *value, void *cb) return st; } -static void *lock_and_read_oid_file(const struct object_id *oid, enum object_type *type, unsigned long *size) +static void grep_source_name(struct grep_opt *opt, const char *filename, + int tree_name_len, struct strbuf *out) { - void *data; + strbuf_reset(out); + + if (opt->null_following_name) { + if (opt->relative && opt->prefix_length) { + struct strbuf rel_buf = STRBUF_INIT; + const char *rel_name = + relative_path(filename + tree_name_len, + opt->prefix, &rel_buf); + + if (tree_name_len) + strbuf_add(out, filename, tree_name_len); + + strbuf_addstr(out, rel_name); + strbuf_release(&rel_buf); + } else { + strbuf_addstr(out, filename); + } + return; + } + + if (opt->relative && opt->prefix_length) + quote_path(filename + tree_name_len, opt->prefix, out, 0); + else + quote_c_style(filename + tree_name_len, out, NULL, 0); - grep_read_lock(); - data = read_object_file(oid, type, size); - grep_read_unlock(); - return data; + if (tree_name_len) + strbuf_insert(out, 0, filename, tree_name_len); } static int grep_oid(struct grep_opt *opt, const struct object_id *oid, @@ -312,13 +332,7 @@ static int grep_oid(struct grep_opt *opt, const struct object_id *oid, struct strbuf pathbuf = STRBUF_INIT; struct grep_source gs; - if (opt->relative && opt->prefix_length) { - quote_path_relative(filename + tree_name_len, opt->prefix, &pathbuf); - strbuf_insert(&pathbuf, 0, filename, tree_name_len); - } else { - strbuf_addstr(&pathbuf, filename); - } - + grep_source_name(opt, filename, tree_name_len, &pathbuf); grep_source_init(&gs, GREP_SOURCE_OID, pathbuf.buf, path, oid); strbuf_release(&pathbuf); @@ -344,11 +358,7 @@ static int grep_file(struct grep_opt *opt, const char *filename) struct strbuf buf = STRBUF_INIT; struct grep_source gs; - if (opt->relative && opt->prefix_length) - quote_path_relative(filename, opt->prefix, &buf); - else - strbuf_addstr(&buf, filename); - + grep_source_name(opt, filename, 0, &buf); grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename, filename); strbuf_release(&buf); @@ -385,7 +395,7 @@ static void run_pager(struct grep_opt *opt, const char *prefix) int i, status; for (i = 0; i < path_list->nr; i++) - argv_array_push(&child.args, path_list->items[i].string); + strvec_push(&child.args, path_list->items[i].string); child.dir = prefix; child.use_shell = 1; @@ -403,34 +413,32 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, static int grep_submodule(struct grep_opt *opt, const struct pathspec *pathspec, const struct object_id *oid, - const char *filename, const char *path) + const char *filename, const char *path, int cached) { struct repository subrepo; struct repository *superproject = opt->repo; - const struct submodule *sub = submodule_from_path(superproject, - &null_oid, path); + const struct submodule *sub; struct grep_opt subopt; int hit; - /* - * NEEDSWORK: submodules functions need to be protected because they - * access the object store via config_from_gitmodules(): the latter - * uses get_oid() which, for now, relies on the global the_repository - * object. - */ - grep_read_lock(); + sub = submodule_from_path(superproject, null_oid(), path); - if (!is_submodule_active(superproject, path)) { - grep_read_unlock(); + if (!is_submodule_active(superproject, path)) return 0; - } - if (repo_submodule_init(&subrepo, superproject, sub)) { - grep_read_unlock(); + if (repo_submodule_init(&subrepo, superproject, sub)) return 0; - } - repo_read_gitmodules(&subrepo); + /* + * NEEDSWORK: repo_read_gitmodules() might call + * add_to_alternates_memory() via config_from_gitmodules(). This + * operation causes a race condition with concurrent object readings + * performed by the worker threads. That's why we need obj_read_lock() + * here. It should be removed once it's no longer necessary to add the + * subrepo's odbs to the in-memory alternates list. + */ + obj_read_lock(); + repo_read_gitmodules(&subrepo, 0); /* * NEEDSWORK: This adds the submodule's object directory to the list of @@ -443,7 +451,7 @@ static int grep_submodule(struct grep_opt *opt, * object. */ add_to_alternates_memory(subrepo.objects->odb->path); - grep_read_unlock(); + obj_read_unlock(); memcpy(&subopt, opt, sizeof(subopt)); subopt.repo = &subrepo; @@ -455,13 +463,12 @@ static int grep_submodule(struct grep_opt *opt, unsigned long size; struct strbuf base = STRBUF_INIT; - object = parse_object_or_die(oid, oid_to_hex(oid)); - - grep_read_lock(); - data = read_object_with_reference(&object->oid, tree_type, + obj_read_lock(); + object = parse_object_or_die(oid, NULL); + obj_read_unlock(); + data = read_object_with_reference(&subrepo, + &object->oid, tree_type, &size, NULL); - grep_read_unlock(); - if (!data) die(_("unable to read tree (%s)"), oid_to_hex(&object->oid)); @@ -474,7 +481,7 @@ static int grep_submodule(struct grep_opt *opt, strbuf_release(&base); free(data); } else { - hit = grep_cache(&subopt, pathspec, 1); + hit = grep_cache(&subopt, pathspec, cached); } repo_clear(&subrepo); @@ -497,8 +504,14 @@ static int grep_cache(struct grep_opt *opt, if (repo_read_index(repo) < 0) die(_("index file corrupt")); + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(repo->index); for (nr = 0; nr < repo->index->cache_nr; nr++) { const struct cache_entry *ce = repo->index->cache[nr]; + + if (!cached && ce_skip_worktree(ce)) + continue; + strbuf_setlen(&name, name_base_len); strbuf_addstr(&name, ce->name); @@ -511,8 +524,7 @@ static int grep_cache(struct grep_opt *opt, * cache entry are identical, even if worktree file has * been modified, so use cache version instead */ - if (cached || (ce->ce_flags & CE_VALID) || - ce_skip_worktree(ce)) { + if (cached || (ce->ce_flags & CE_VALID)) { if (ce_stage(ce) || ce_intent_to_add(ce)) continue; hit |= grep_oid(opt, &ce->oid, name.buf, @@ -522,7 +534,8 @@ static int grep_cache(struct grep_opt *opt, } } else if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && submodule_path_match(repo->index, pathspec, name.buf, NULL)) { - hit |= grep_submodule(opt, pathspec, NULL, ce->name, ce->name); + hit |= grep_submodule(opt, pathspec, NULL, ce->name, + ce->name, cached); } else { continue; } @@ -585,7 +598,7 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, void *data; unsigned long size; - data = lock_and_read_oid_file(&entry.oid, &type, &size); + data = read_object_file(&entry.oid, &type, &size); if (!data) die(_("unable to read tree (%s)"), oid_to_hex(&entry.oid)); @@ -597,7 +610,8 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, free(data); } else if (recurse_submodules && S_ISGITLINK(entry.mode)) { hit |= grep_submodule(opt, pathspec, &entry.oid, - base->buf, base->buf + tn_len); + base->buf, base->buf + tn_len, + 1); /* ignored */ } strbuf_setlen(base, old_baselen); @@ -622,11 +636,9 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, struct strbuf base; int hit, len; - grep_read_lock(); - data = read_object_with_reference(&obj->oid, tree_type, + data = read_object_with_reference(opt->repo, + &obj->oid, tree_type, &size, NULL); - grep_read_unlock(); - if (!data) die(_("unable to read tree (%s)"), oid_to_hex(&obj->oid)); @@ -655,13 +667,29 @@ static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, for (i = 0; i < nr; i++) { struct object *real_obj; + + obj_read_lock(); real_obj = deref_tag(opt->repo, list->objects[i].item, NULL, 0); + obj_read_unlock(); + + if (!real_obj) { + char hex[GIT_MAX_HEXSZ + 1]; + const char *name = list->objects[i].name; + + if (!name) { + oid_to_hex_r(hex, &list->objects[i].item->oid); + name = hex; + } + die(_("invalid object '%s' given."), name); + } /* load the gitmodules file for this rev */ if (recurse_submodules) { submodule_free(opt->repo); + obj_read_lock(); gitmodules_config_oid(&real_obj->oid); + obj_read_unlock(); } if (grep_object(opt, pathspec, real_obj, list->objects[i].name, list->objects[i].path)) { @@ -676,10 +704,9 @@ static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, int exc_std, int use_index) { - struct dir_struct dir; + struct dir_struct dir = DIR_INIT; int i, hit = 0; - memset(&dir, 0, sizeof(dir)); if (!use_index) dir.flags |= DIR_NO_GITLINKS; if (exc_std) @@ -687,12 +714,11 @@ static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, fill_directory(&dir, opt->repo->index, pathspec); for (i = 0; i < dir.nr; i++) { - if (!dir_path_match(opt->repo->index, dir.entries[i], pathspec, 0, NULL)) - continue; hit |= grep_file(opt, dir.entries[i]->name); if (hit && opt->status_only) break; } + dir_clear(&dir); return hit; } @@ -894,27 +920,24 @@ int cmd_grep(int argc, const char **argv, const char *prefix) OPT_GROUP(""), OPT_CALLBACK('f', NULL, &opt, N_("file"), N_("read patterns from file"), file_callback), - { OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"), - N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback }, - { OPTION_CALLBACK, 0, "and", &opt, NULL, - N_("combine patterns specified with -e"), - PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback }, + OPT_CALLBACK_F('e', NULL, &opt, N_("pattern"), + N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback), + OPT_CALLBACK_F(0, "and", &opt, NULL, + N_("combine patterns specified with -e"), + PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback), OPT_BOOL(0, "or", &dummy, ""), - { OPTION_CALLBACK, 0, "not", &opt, NULL, "", - PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback }, - { OPTION_CALLBACK, '(', NULL, &opt, NULL, "", - PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, - open_callback }, - { OPTION_CALLBACK, ')', NULL, &opt, NULL, "", - PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, - close_callback }, + OPT_CALLBACK_F(0, "not", &opt, NULL, "", + PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback), + OPT_CALLBACK_F('(', NULL, &opt, NULL, "", + PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, + open_callback), + OPT_CALLBACK_F(')', NULL, &opt, NULL, "", + PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, + close_callback), OPT__QUIET(&opt.status_only, N_("indicate hit with exit status without output")), OPT_BOOL(0, "all-match", &opt.all_match, N_("show only matches from files that match all patterns")), - OPT_SET_INT_F(0, "debug", &opt.debug, - N_("show parse tree for grep expression"), - 1, PARSE_OPT_HIDDEN), OPT_GROUP(""), { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, N_("pager"), N_("show matching files in the pager"), @@ -926,7 +949,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix) OPT_END() }; - init_grep_defaults(the_repository); git_config(grep_cmd_config, NULL); grep_init(&opt, the_repository, prefix); @@ -954,6 +976,9 @@ int cmd_grep(int argc, const char **argv, const char *prefix) /* die the same way as if we did it at the beginning */ setup_git_directory(); } + /* Ignore --recurse-submodules if --no-index is given or implied */ + if (!use_index) + recurse_submodules = 0; /* * skip a -- separator; we know it cannot be @@ -1058,7 +1083,10 @@ int cmd_grep(int argc, const char **argv, const char *prefix) pathspec.recursive = 1; pathspec.recurse_submodules = !!recurse_submodules; - if (list.nr || cached || show_in_pager) { + if (recurse_submodules && untracked) + die(_("--untracked not supported with --recurse-submodules")); + + if (show_in_pager) { if (num_threads > 1) warning(_("invalid option combination, ignoring --threads")); num_threads = 1; @@ -1068,7 +1096,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) } else if (num_threads < 0) die(_("invalid number of threads specified (%d)"), num_threads); else if (num_threads == 0) - num_threads = HAVE_THREADS ? GREP_NUM_THREADS_DEFAULT : 1; + num_threads = HAVE_THREADS ? online_cpus() : 1; if (num_threads > 1) { if (!HAVE_THREADS) @@ -1077,6 +1105,17 @@ int cmd_grep(int argc, const char **argv, const char *prefix) && (opt.pre_context || opt.post_context || opt.file_break || opt.funcbody)) skip_first_line = 1; + + /* + * Pre-read gitmodules (if not read already) and force eager + * initialization of packed_git to prevent racy lazy + * reading/initialization once worker threads are started. + */ + if (recurse_submodules) + repo_read_gitmodules(the_repository, 1); + if (startup_info->have_repository) + (void)get_packed_git(the_repository); + start_threads(&opt); } else { /* @@ -1106,20 +1145,20 @@ int cmd_grep(int argc, const char **argv, const char *prefix) strbuf_addf(&buf, "+/%s%s", strcmp("less", pager) ? "" : "*", opt.pattern_list->pattern); - string_list_append(&path_list, buf.buf); - strbuf_detach(&buf, NULL); + string_list_append(&path_list, + strbuf_detach(&buf, NULL)); } } - if (recurse_submodules && (!use_index || untracked)) - die(_("option not supported with --recurse-submodules")); - if (!show_in_pager && !opt.status_only) setup_pager(); if (!use_index && (untracked || cached)) die(_("--cached or --untracked cannot be used with --no-index")); + if (untracked && cached) + die(_("--untracked cannot be used with --cached")); + if (!use_index || untracked) { int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; hit = grep_directory(&opt, &pathspec, use_exclude, use_index); diff --git a/builtin/hash-object.c b/builtin/hash-object.c index e055c11103..640ef4ded5 100644 --- a/builtin/hash-object.c +++ b/builtin/hash-object.c @@ -108,7 +108,7 @@ int cmd_hash_object(int argc, const char **argv, const char *prefix) int i; const char *errstr = NULL; - argc = parse_options(argc, argv, NULL, hash_object_options, + argc = parse_options(argc, argv, prefix, hash_object_options, hash_object_usage, 0); if (flags & HASH_WRITE_OBJECT) diff --git a/builtin/help.c b/builtin/help.c index e5590d7787..b7eec06c3d 100644 --- a/builtin/help.c +++ b/builtin/help.c @@ -8,6 +8,7 @@ #include "parse-options.h" #include "run-command.h" #include "column.h" +#include "config-list.h" #include "help.h" #include "alias.h" @@ -62,6 +63,91 @@ static const char * const builtin_help_usage[] = { NULL }; +struct slot_expansion { + const char *prefix; + const char *placeholder; + void (*fn)(struct string_list *list, const char *prefix); + int found; +}; + +static void list_config_help(int for_human) +{ + struct slot_expansion slot_expansions[] = { + { "advice", "*", list_config_advices }, + { "color.branch", "<slot>", list_config_color_branch_slots }, + { "color.decorate", "<slot>", list_config_color_decorate_slots }, + { "color.diff", "<slot>", list_config_color_diff_slots }, + { "color.grep", "<slot>", list_config_color_grep_slots }, + { "color.interactive", "<slot>", list_config_color_interactive_slots }, + { "color.remote", "<slot>", list_config_color_sideband_slots }, + { "color.status", "<slot>", list_config_color_status_slots }, + { "fsck", "<msg-id>", list_config_fsck_msg_ids }, + { "receive.fsck", "<msg-id>", list_config_fsck_msg_ids }, + { NULL, NULL, NULL } + }; + const char **p; + struct slot_expansion *e; + struct string_list keys = STRING_LIST_INIT_DUP; + int i; + + for (p = config_name_list; *p; p++) { + const char *var = *p; + struct strbuf sb = STRBUF_INIT; + + for (e = slot_expansions; e->prefix; e++) { + + strbuf_reset(&sb); + strbuf_addf(&sb, "%s.%s", e->prefix, e->placeholder); + if (!strcasecmp(var, sb.buf)) { + e->fn(&keys, e->prefix); + e->found++; + break; + } + } + strbuf_release(&sb); + if (!e->prefix) + string_list_append(&keys, var); + } + + for (e = slot_expansions; e->prefix; e++) + if (!e->found) + BUG("slot_expansion %s.%s is not used", + e->prefix, e->placeholder); + + string_list_sort(&keys); + for (i = 0; i < keys.nr; i++) { + const char *var = keys.items[i].string; + const char *wildcard, *tag, *cut; + + if (for_human) { + puts(var); + continue; + } + + wildcard = strchr(var, '*'); + tag = strchr(var, '<'); + + if (!wildcard && !tag) { + puts(var); + continue; + } + + if (wildcard && !tag) + cut = wildcard; + else if (!wildcard && tag) + cut = tag; + else + cut = wildcard < tag ? wildcard : tag; + + /* + * We may produce duplicates, but that's up to + * git-completion.bash to handle + */ + printf("%.*s\n", (int)(cut - var), var); + } + string_list_clear(&keys, 0); +} + static enum help_format parse_help_format(const char *format) { if (!strcmp(format, "man")) @@ -242,7 +328,7 @@ static int add_man_viewer_cmd(const char *name, static int add_man_viewer_info(const char *var, const char *value) { const char *name, *subkey; - int namelen; + size_t namelen; if (parse_config_key(var, "man", &name, &namelen, &subkey) < 0 || !name) return 0; @@ -350,10 +436,9 @@ static void exec_viewer(const char *name, const char *page) warning(_("'%s': unknown man viewer."), name); } -static void show_man_page(const char *git_cmd) +static void show_man_page(const char *page) { struct man_viewer_list *viewer; - const char *page = cmd_to_page(git_cmd); const char *fallback = getenv("GIT_MAN_VIEWER"); setup_man_path(); @@ -367,9 +452,8 @@ static void show_man_page(const char *git_cmd) die(_("no man viewer handled the request")); } -static void show_info_page(const char *git_cmd) +static void show_info_page(const char *page) { - const char *page = cmd_to_page(git_cmd); setenv("INFOPATH", system_path(GIT_INFO_PATH), 1); execlp("info", "info", "gitman", page, (char *)NULL); die(_("no info viewer handled the request")); @@ -400,9 +484,8 @@ static void open_html(const char *path) execl_git_cmd("web--browse", "-c", "help.browser", path, (char *)NULL); } -static void show_html_page(const char *git_cmd) +static void show_html_page(const char *page) { - const char *page = cmd_to_page(git_cmd); struct strbuf page_path; /* it leaks but we exec bellow */ get_html_page_path(&page_path, page); @@ -462,6 +545,7 @@ int cmd_help(int argc, const char **argv, const char *prefix) { int nongit; enum help_format parsed_help_format; + const char *page; argc = parse_options(argc, argv, prefix, builtin_help_options, builtin_help_usage, 0); @@ -493,7 +577,7 @@ int cmd_help(int argc, const char **argv, const char *prefix) } if (show_guides) - list_common_guides_help(); + list_guides_help(); if (show_all || show_guides) { printf("%s\n", _(git_more_info_string)); @@ -520,16 +604,17 @@ int cmd_help(int argc, const char **argv, const char *prefix) argv[0] = check_git_cmd(argv[0]); + page = cmd_to_page(argv[0]); switch (help_format) { case HELP_FORMAT_NONE: case HELP_FORMAT_MAN: - show_man_page(argv[0]); + show_man_page(page); break; case HELP_FORMAT_INFO: - show_info_page(argv[0]); + show_info_page(page); break; case HELP_FORMAT_WEB: - show_html_page(argv[0]); + show_html_page(page); break; } diff --git a/builtin/index-pack.c b/builtin/index-pack.c index 0d55f73b0b..8336466865 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -14,10 +14,10 @@ #include "thread-utils.h" #include "packfile.h" #include "object-store.h" -#include "fetch-object.h" +#include "promisor-remote.h" static const char index_pack_usage[] = -"git index-pack [-v] [-o <index-file>] [--keep | --keep=<msg>] [--verify] [--strict] (<pack-file> | --stdin [--fix-thin] [<pack-file>])"; +"git index-pack [-v] [-o <index-file>] [--keep | --keep=<msg>] [--[no-]rev-index] [--verify] [--strict] (<pack-file> | --stdin [--fix-thin] [<pack-file>])"; struct object_entry { struct pack_idx_entry idx; @@ -33,19 +33,61 @@ struct object_stat { }; struct base_data { + /* Initialized by make_base(). */ struct base_data *base; - struct base_data *child; struct object_entry *obj; - void *data; - unsigned long size; int ref_first, ref_last; int ofs_first, ofs_last; + /* + * Threads should increment retain_data if they are about to call + * patch_delta() using this struct's data as a base, and decrement this + * when they are done. While retain_data is nonzero, this struct's data + * will not be freed even if the delta base cache limit is exceeded. + */ + int retain_data; + /* + * The number of direct children that have not been fully processed + * (entered work_head, entered done_head, left done_head). When this + * number reaches zero, this struct base_data can be freed. + */ + int children_remaining; + + /* Not initialized by make_base(). */ + struct list_head list; + void *data; + unsigned long size; }; +/* + * Stack of struct base_data that have unprocessed children. + * threaded_second_pass() uses this as a source of work (the other being the + * objects array). + * + * Guarded by work_mutex. + */ +static LIST_HEAD(work_head); + +/* + * Stack of struct base_data that have children, all of whom have been + * processed or are being processed, and at least one child is being processed. + * These struct base_data must be kept around until the last child is + * processed. + * + * Guarded by work_mutex. + */ +static LIST_HEAD(done_head); + +/* + * All threads share one delta base cache. + * + * base_cache_used is guarded by work_mutex, and base_cache_limit is read-only + * in a thread. + */ +static size_t base_cache_used; +static size_t base_cache_limit; + struct thread_local { pthread_t thread; - struct base_data *base_cache; - size_t base_cache_used; int pack_fd; }; @@ -78,7 +120,7 @@ static int nr_threads; static int from_stdin; static int strict; static int do_fsck_object; -static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT; +static struct fsck_options fsck_options = FSCK_OPTIONS_MISSING_GITMODULES; static int verbose; static int show_resolving_progress; static int show_stat; @@ -117,10 +159,6 @@ static pthread_mutex_t deepest_delta_mutex; #define deepest_delta_lock() lock_mutex(&deepest_delta_mutex) #define deepest_delta_unlock() unlock_mutex(&deepest_delta_mutex) -static pthread_mutex_t type_cas_mutex; -#define type_cas_lock() lock_mutex(&type_cas_mutex) -#define type_cas_unlock() unlock_mutex(&type_cas_mutex) - static pthread_key_t key; static inline void lock_mutex(pthread_mutex_t *mutex) @@ -144,11 +182,10 @@ static void init_thread(void) init_recursive_mutex(&read_mutex); pthread_mutex_init(&counter_mutex, NULL); pthread_mutex_init(&work_mutex, NULL); - pthread_mutex_init(&type_cas_mutex, NULL); if (show_stat) pthread_mutex_init(&deepest_delta_mutex, NULL); pthread_key_create(&key, NULL); - thread_data = xcalloc(nr_threads, sizeof(*thread_data)); + CALLOC_ARRAY(thread_data, nr_threads); for (i = 0; i < nr_threads; i++) { thread_data[i].pack_fd = open(curr_pack, O_RDONLY); if (thread_data[i].pack_fd == -1) @@ -167,7 +204,6 @@ static void cleanup_thread(void) pthread_mutex_destroy(&read_mutex); pthread_mutex_destroy(&counter_mutex); pthread_mutex_destroy(&work_mutex); - pthread_mutex_destroy(&type_cas_mutex); if (show_stat) pthread_mutex_destroy(&deepest_delta_mutex); for (i = 0; i < nr_threads; i++) @@ -176,7 +212,8 @@ static void cleanup_thread(void) free(thread_data); } -static int mark_link(struct object *obj, int type, void *data, struct fsck_options *options) +static int mark_link(struct object *obj, enum object_type type, + void *data, struct fsck_options *options) { if (!obj) return -1; @@ -332,9 +369,7 @@ static void parse_pack_header(void) use(sizeof(struct pack_header)); } -static NORETURN void bad_object(off_t offset, const char *format, - ...) __attribute__((format (printf, 2, 3))); - +__attribute__((format (printf, 2, 3))) static NORETURN void bad_object(off_t offset, const char *format, ...) { va_list params; @@ -364,56 +399,42 @@ static void set_thread_data(struct thread_local *data) pthread_setspecific(key, data); } -static struct base_data *alloc_base_data(void) -{ - struct base_data *base = xcalloc(1, sizeof(struct base_data)); - base->ref_last = -1; - base->ofs_last = -1; - return base; -} - static void free_base_data(struct base_data *c) { if (c->data) { FREE_AND_NULL(c->data); - get_thread_data()->base_cache_used -= c->size; + base_cache_used -= c->size; } } static void prune_base_data(struct base_data *retain) { - struct base_data *b; - struct thread_local *data = get_thread_data(); - for (b = data->base_cache; - data->base_cache_used > delta_base_cache_limit && b; - b = b->child) { - if (b->data && b != retain) - free_base_data(b); - } -} + struct list_head *pos; -static void link_base_data(struct base_data *base, struct base_data *c) -{ - if (base) - base->child = c; - else - get_thread_data()->base_cache = c; + if (base_cache_used <= base_cache_limit) + return; - c->base = base; - c->child = NULL; - if (c->data) - get_thread_data()->base_cache_used += c->size; - prune_base_data(c); -} + list_for_each_prev(pos, &done_head) { + struct base_data *b = list_entry(pos, struct base_data, list); + if (b->retain_data || b == retain) + continue; + if (b->data) { + free_base_data(b); + if (base_cache_used <= base_cache_limit) + return; + } + } -static void unlink_base_data(struct base_data *c) -{ - struct base_data *base = c->base; - if (base) - base->child = NULL; - else - get_thread_data()->base_cache = NULL; - free_base_data(c); + list_for_each_prev(pos, &work_head) { + struct base_data *b = list_entry(pos, struct base_data, list); + if (b->retain_data || b == retain) + continue; + if (b->data) { + free_base_data(b); + if (base_cache_used <= base_cache_limit) + return; + } + } } static int is_delta_type(enum object_type type) @@ -466,7 +487,7 @@ static void *unpack_entry_data(off_t offset, unsigned long size, bad_object(offset, _("inflate returned %d"), status); git_inflate_end(&stream); if (oid) - the_hash_algo->final_fn(oid->hash, &c); + the_hash_algo->final_oid_fn(oid, &c); return buf == fixed_buf ? NULL : buf; } @@ -501,7 +522,7 @@ static void *unpack_raw_entry(struct object_entry *obj, switch (obj->type) { case OBJ_REF_DELTA: - hashcpy(ref_oid->hash, fill(the_hash_algo->rawsz)); + oidread(ref_oid, fill(the_hash_algo->rawsz)); use(the_hash_algo->rawsz); break; case OBJ_OFS_DELTA: @@ -614,7 +635,7 @@ static int compare_ofs_delta_bases(off_t offset1, off_t offset2, 0; } -static int find_ofs_delta(const off_t offset, enum object_type type) +static int find_ofs_delta(const off_t offset) { int first = 0, last = nr_ofs_deltas; @@ -624,7 +645,8 @@ static int find_ofs_delta(const off_t offset, enum object_type type) int cmp; cmp = compare_ofs_delta_bases(offset, delta->offset, - type, objects[delta->obj_no].type); + OBJ_OFS_DELTA, + objects[delta->obj_no].type); if (!cmp) return next; if (cmp < 0) { @@ -637,10 +659,9 @@ static int find_ofs_delta(const off_t offset, enum object_type type) } static void find_ofs_delta_children(off_t offset, - int *first_index, int *last_index, - enum object_type type) + int *first_index, int *last_index) { - int first = find_ofs_delta(offset, type); + int first = find_ofs_delta(offset); int last = first; int end = nr_ofs_deltas - 1; @@ -668,7 +689,7 @@ static int compare_ref_delta_bases(const struct object_id *oid1, return oidcmp(oid1, oid2); } -static int find_ref_delta(const struct object_id *oid, enum object_type type) +static int find_ref_delta(const struct object_id *oid) { int first = 0, last = nr_ref_deltas; @@ -678,7 +699,8 @@ static int find_ref_delta(const struct object_id *oid, enum object_type type) int cmp; cmp = compare_ref_delta_bases(oid, &delta->oid, - type, objects[delta->obj_no].type); + OBJ_REF_DELTA, + objects[delta->obj_no].type); if (!cmp) return next; if (cmp < 0) { @@ -691,10 +713,9 @@ static int find_ref_delta(const struct object_id *oid, enum object_type type) } static void find_ref_delta_children(const struct object_id *oid, - int *first_index, int *last_index, - enum object_type type) + int *first_index, int *last_index) { - int first = find_ref_delta(oid, type); + int first = find_ref_delta(oid); int last = first; int end = nr_ref_deltas - 1; @@ -757,7 +778,8 @@ static int check_collison(struct object_entry *entry) memset(&data, 0, sizeof(data)); data.entry = entry; - data.st = open_istream(&entry->idx.oid, &type, &size, NULL); + data.st = open_istream(the_repository, &entry->idx.oid, &type, &size, + NULL); if (!data.st) return -1; if (size != entry->size || type != entry->type) @@ -865,26 +887,15 @@ static void sha1_object(const void *data, struct object_entry *obj_entry, } /* - * This function is part of find_unresolved_deltas(). There are two - * walkers going in the opposite ways. + * Ensure that this node has been reconstructed and return its contents. * - * The first one in find_unresolved_deltas() traverses down from - * parent node to children, deflating nodes along the way. However, - * memory for deflated nodes is limited by delta_base_cache_limit, so - * at some point parent node's deflated content may be freed. - * - * The second walker is this function, which goes from current node up - * to top parent if necessary to deflate the node. In normal - * situation, its parent node would be already deflated, so it just - * needs to apply delta. - * - * In the worst case scenario, parent node is no longer deflated because - * we're running out of delta_base_cache_limit; we need to re-deflate - * parents, possibly up to the top base. - * - * All deflated objects here are subject to be freed if we exceed - * delta_base_cache_limit, just like in find_unresolved_deltas(), we - * just need to make sure the last node is not freed. + * In the typical and best case, this node would already be reconstructed + * (through the invocation to resolve_delta() in threaded_second_pass()) and it + * would not be pruned. However, if pruning of this node was necessary due to + * reaching delta_base_cache_limit, this function will find the closest + * ancestor with reconstructed data that has not been pruned (or if there is + * none, the ultimate base object), and reconstruct each node in the delta + * chain in order to generate the reconstructed data for this node. */ static void *get_base_data(struct base_data *c) { @@ -901,7 +912,7 @@ static void *get_base_data(struct base_data *c) if (!delta_nr) { c->data = get_data_from_pack(obj); c->size = obj->size; - get_thread_data()->base_cache_used += c->size; + base_cache_used += c->size; prune_base_data(c); } for (; delta_nr > 0; delta_nr--) { @@ -917,7 +928,7 @@ static void *get_base_data(struct base_data *c) free(raw); if (!c->data) bad_object(obj->idx.offset, _("failed to apply delta")); - get_thread_data()->base_cache_used += c->size; + base_cache_used += c->size; prune_base_data(c); } free(delta); @@ -925,10 +936,27 @@ static void *get_base_data(struct base_data *c) return c->data; } -static void resolve_delta(struct object_entry *delta_obj, - struct base_data *base, struct base_data *result) +static struct base_data *make_base(struct object_entry *obj, + struct base_data *parent) { - void *base_data, *delta_data; + struct base_data *base = xcalloc(1, sizeof(struct base_data)); + base->base = parent; + base->obj = obj; + find_ref_delta_children(&obj->idx.oid, + &base->ref_first, &base->ref_last); + find_ofs_delta_children(obj->idx.offset, + &base->ofs_first, &base->ofs_last); + base->children_remaining = base->ref_last - base->ref_first + + base->ofs_last - base->ofs_first + 2; + return base; +} + +static struct base_data *resolve_delta(struct object_entry *delta_obj, + struct base_data *base) +{ + void *delta_data, *result_data; + struct base_data *result; + unsigned long result_size; if (show_stat) { int i = delta_obj - objects; @@ -941,113 +969,26 @@ static void resolve_delta(struct object_entry *delta_obj, obj_stat[i].base_object_no = j; } delta_data = get_data_from_pack(delta_obj); - base_data = get_base_data(base); - result->obj = delta_obj; - result->data = patch_delta(base_data, base->size, - delta_data, delta_obj->size, &result->size); + assert(base->data); + result_data = patch_delta(base->data, base->size, + delta_data, delta_obj->size, &result_size); free(delta_data); - if (!result->data) + if (!result_data) bad_object(delta_obj->idx.offset, _("failed to apply delta")); - hash_object_file(result->data, result->size, + hash_object_file(the_hash_algo, result_data, result_size, type_name(delta_obj->real_type), &delta_obj->idx.oid); - sha1_object(result->data, NULL, result->size, delta_obj->real_type, + sha1_object(result_data, NULL, result_size, delta_obj->real_type, &delta_obj->idx.oid); + + result = make_base(delta_obj, base); + result->data = result_data; + result->size = result_size; + counter_lock(); nr_resolved_deltas++; counter_unlock(); -} -/* - * Standard boolean compare-and-swap: atomically check whether "*type" is - * "want"; if so, swap in "set" and return true. Otherwise, leave it untouched - * and return false. - */ -static int compare_and_swap_type(signed char *type, - enum object_type want, - enum object_type set) -{ - enum object_type old; - - type_cas_lock(); - old = *type; - if (old == want) - *type = set; - type_cas_unlock(); - - return old == want; -} - -static struct base_data *find_unresolved_deltas_1(struct base_data *base, - struct base_data *prev_base) -{ - if (base->ref_last == -1 && base->ofs_last == -1) { - find_ref_delta_children(&base->obj->idx.oid, - &base->ref_first, &base->ref_last, - OBJ_REF_DELTA); - - find_ofs_delta_children(base->obj->idx.offset, - &base->ofs_first, &base->ofs_last, - OBJ_OFS_DELTA); - - if (base->ref_last == -1 && base->ofs_last == -1) { - free(base->data); - return NULL; - } - - link_base_data(prev_base, base); - } - - if (base->ref_first <= base->ref_last) { - struct object_entry *child = objects + ref_deltas[base->ref_first].obj_no; - struct base_data *result = alloc_base_data(); - - if (!compare_and_swap_type(&child->real_type, OBJ_REF_DELTA, - base->obj->real_type)) - BUG("child->real_type != OBJ_REF_DELTA"); - - resolve_delta(child, base, result); - if (base->ref_first == base->ref_last && base->ofs_last == -1) - free_base_data(base); - - base->ref_first++; - return result; - } - - if (base->ofs_first <= base->ofs_last) { - struct object_entry *child = objects + ofs_deltas[base->ofs_first].obj_no; - struct base_data *result = alloc_base_data(); - - assert(child->real_type == OBJ_OFS_DELTA); - child->real_type = base->obj->real_type; - resolve_delta(child, base, result); - if (base->ofs_first == base->ofs_last) - free_base_data(base); - - base->ofs_first++; - return result; - } - - unlink_base_data(base); - return NULL; -} - -static void find_unresolved_deltas(struct base_data *base) -{ - struct base_data *new_base, *prev_base = NULL; - for (;;) { - new_base = find_unresolved_deltas_1(base, prev_base); - - if (new_base) { - prev_base = base; - base = new_base; - } else { - free(base); - base = prev_base; - if (!base) - return; - prev_base = base->base; - } - } + return result; } static int compare_ofs_delta_entry(const void *a, const void *b) @@ -1068,34 +1009,135 @@ static int compare_ref_delta_entry(const void *a, const void *b) return oidcmp(&delta_a->oid, &delta_b->oid); } -static void resolve_base(struct object_entry *obj) -{ - struct base_data *base_obj = alloc_base_data(); - base_obj->obj = obj; - base_obj->data = NULL; - find_unresolved_deltas(base_obj); -} - static void *threaded_second_pass(void *data) { - set_thread_data(data); + if (data) + set_thread_data(data); for (;;) { - int i; + struct base_data *parent = NULL; + struct object_entry *child_obj; + struct base_data *child; + counter_lock(); display_progress(progress, nr_resolved_deltas); counter_unlock(); + work_lock(); - while (nr_dispatched < nr_objects && - is_delta_type(objects[nr_dispatched].type)) - nr_dispatched++; - if (nr_dispatched >= nr_objects) { - work_unlock(); - break; + if (list_empty(&work_head)) { + /* + * Take an object from the object array. + */ + while (nr_dispatched < nr_objects && + is_delta_type(objects[nr_dispatched].type)) + nr_dispatched++; + if (nr_dispatched >= nr_objects) { + work_unlock(); + break; + } + child_obj = &objects[nr_dispatched++]; + } else { + /* + * Peek at the top of the stack, and take a child from + * it. + */ + parent = list_first_entry(&work_head, struct base_data, + list); + + if (parent->ref_first <= parent->ref_last) { + int offset = ref_deltas[parent->ref_first++].obj_no; + child_obj = objects + offset; + if (child_obj->real_type != OBJ_REF_DELTA) + die("REF_DELTA at offset %"PRIuMAX" already resolved (duplicate base %s?)", + (uintmax_t) child_obj->idx.offset, + oid_to_hex(&parent->obj->idx.oid)); + child_obj->real_type = parent->obj->real_type; + } else { + child_obj = objects + + ofs_deltas[parent->ofs_first++].obj_no; + assert(child_obj->real_type == OBJ_OFS_DELTA); + child_obj->real_type = parent->obj->real_type; + } + + if (parent->ref_first > parent->ref_last && + parent->ofs_first > parent->ofs_last) { + /* + * This parent has run out of children, so move + * it to done_head. + */ + list_del(&parent->list); + list_add(&parent->list, &done_head); + } + + /* + * Ensure that the parent has data, since we will need + * it later. + * + * NEEDSWORK: If parent data needs to be reloaded, this + * prolongs the time that the current thread spends in + * the mutex. A mitigating factor is that parent data + * needs to be reloaded only if the delta base cache + * limit is exceeded, so in the typical case, this does + * not happen. + */ + get_base_data(parent); + parent->retain_data++; } - i = nr_dispatched++; work_unlock(); - resolve_base(&objects[i]); + if (parent) { + child = resolve_delta(child_obj, parent); + if (!child->children_remaining) + FREE_AND_NULL(child->data); + } else { + child = make_base(child_obj, NULL); + if (child->children_remaining) { + /* + * Since this child has its own delta children, + * we will need this data in the future. + * Inflate now so that future iterations will + * have access to this object's data while + * outside the work mutex. + */ + child->data = get_data_from_pack(child_obj); + child->size = child_obj->size; + } + } + + work_lock(); + if (parent) + parent->retain_data--; + if (child->data) { + /* + * This child has its own children, so add it to + * work_head. + */ + list_add(&child->list, &work_head); + base_cache_used += child->size; + prune_base_data(NULL); + } else { + /* + * This child does not have its own children. It may be + * the last descendant of its ancestors; free those + * that we can. + */ + struct base_data *p = parent; + + while (p) { + struct base_data *next_p; + + p->children_remaining--; + if (p->children_remaining) + break; + + next_p = p->base; + free_base_data(p); + list_del(&p->list); + free(p); + + p = next_p; + } + } + work_unlock(); } return NULL; } @@ -1196,6 +1238,7 @@ static void resolve_deltas(void) nr_ref_deltas + nr_ofs_deltas); nr_dispatched = 0; + base_cache_limit = delta_base_cache_limit * nr_threads; if (nr_threads > 1 || getenv("GIT_FORCE_THREADS")) { init_thread(); for (i = 0; i < nr_threads; i++) { @@ -1210,15 +1253,7 @@ static void resolve_deltas(void) cleanup_thread(); return; } - - for (i = 0; i < nr_objects; i++) { - struct object_entry *obj = &objects[i]; - - if (is_delta_type(obj->type)) - continue; - resolve_base(obj); - display_progress(progress, nr_resolved_deltas); - } + threaded_second_pass(¬hread_data); } /* @@ -1321,7 +1356,7 @@ static struct object_entry *append_obj_to_pack(struct hashfile *f, obj[1].idx.offset += write_compressed(f, buf, size); obj[0].idx.crc32 = crc32_end(f); hashflush(f); - hashcpy(obj->idx.oid.hash, sha1); + oidread(&obj->idx.oid, sha1); return obj; } @@ -1352,7 +1387,7 @@ static void fix_unresolved_deltas(struct hashfile *f) sorted_by_pos[i] = &ref_deltas[i]; QSORT(sorted_by_pos, nr_ref_deltas, delta_pos_compare); - if (repository_format_partial_clone) { + if (has_promisor_remote()) { /* * Prefetch the delta bases. */ @@ -1365,44 +1400,50 @@ static void fix_unresolved_deltas(struct hashfile *f) continue; oid_array_append(&to_fetch, &d->oid); } - if (to_fetch.nr) - fetch_objects(repository_format_partial_clone, - to_fetch.oid, to_fetch.nr); + promisor_remote_get_direct(the_repository, + to_fetch.oid, to_fetch.nr); oid_array_clear(&to_fetch); } for (i = 0; i < nr_ref_deltas; i++) { struct ref_delta_entry *d = sorted_by_pos[i]; enum object_type type; - struct base_data *base_obj = alloc_base_data(); + void *data; + unsigned long size; if (objects[d->obj_no].real_type != OBJ_REF_DELTA) continue; - base_obj->data = read_object_file(&d->oid, &type, - &base_obj->size); - if (!base_obj->data) + data = read_object_file(&d->oid, &type, &size); + if (!data) continue; - if (check_object_signature(&d->oid, base_obj->data, - base_obj->size, type_name(type))) + if (check_object_signature(the_repository, &d->oid, + data, size, + type_name(type))) die(_("local object %s is corrupt"), oid_to_hex(&d->oid)); - base_obj->obj = append_obj_to_pack(f, d->oid.hash, - base_obj->data, base_obj->size, type); - find_unresolved_deltas(base_obj); + + /* + * Add this as an object to the objects array and call + * threaded_second_pass() (which will pick up the added + * object). + */ + append_obj_to_pack(f, d->oid.hash, data, size, type); + threaded_second_pass(NULL); + display_progress(progress, nr_resolved_deltas); } free(sorted_by_pos); } -static const char *derive_filename(const char *pack_name, const char *suffix, - struct strbuf *buf) +static const char *derive_filename(const char *pack_name, const char *strip, + const char *suffix, struct strbuf *buf) { size_t len; - if (!strip_suffix(pack_name, ".pack", &len)) - die(_("packfile name '%s' does not end with '.pack'"), - pack_name); + if (!strip_suffix(pack_name, strip, &len) || !len || + pack_name[len - 1] != '.') + die(_("packfile name '%s' does not end with '.%s'"), + pack_name, strip); strbuf_add(buf, pack_name, len); - strbuf_addch(buf, '.'); strbuf_addstr(buf, suffix); return buf->buf; } @@ -1417,7 +1458,7 @@ static void write_special_file(const char *suffix, const char *msg, int msg_len = strlen(msg); if (pack_name) - filename = derive_filename(pack_name, suffix, &name_buf); + filename = derive_filename(pack_name, "pack", suffix, &name_buf); else filename = odb_pack_name(&name_buf, hash, suffix); @@ -1442,12 +1483,14 @@ static void write_special_file(const char *suffix, const char *msg, static void final(const char *final_pack_name, const char *curr_pack_name, const char *final_index_name, const char *curr_index_name, + const char *final_rev_index_name, const char *curr_rev_index_name, const char *keep_msg, const char *promisor_msg, unsigned char *hash) { const char *report = "pack"; struct strbuf pack_name = STRBUF_INIT; struct strbuf index_name = STRBUF_INIT; + struct strbuf rev_index_name = STRBUF_INIT; int err; if (!from_stdin) { @@ -1482,6 +1525,16 @@ static void final(const char *final_pack_name, const char *curr_pack_name, } else chmod(final_index_name, 0444); + if (curr_rev_index_name) { + if (final_rev_index_name != curr_rev_index_name) { + if (!final_rev_index_name) + final_rev_index_name = odb_pack_name(&rev_index_name, hash, "rev"); + if (finalize_object_file(curr_rev_index_name, final_rev_index_name)) + die(_("cannot store reverse index file")); + } else + chmod(final_rev_index_name, 0444); + } + if (do_fsck_object) { struct packed_git *p; p = add_packed_git(final_index_name, strlen(final_index_name), 0); @@ -1490,11 +1543,11 @@ static void final(const char *final_pack_name, const char *curr_pack_name, } if (!from_stdin) { - printf("%s\n", sha1_to_hex(hash)); + printf("%s\n", hash_to_hex(hash)); } else { struct strbuf buf = STRBUF_INIT; - strbuf_addf(&buf, "%s\t%s\n", report, sha1_to_hex(hash)); + strbuf_addf(&buf, "%s\t%s\n", report, hash_to_hex(hash)); write_or_die(1, buf.buf, buf.len); strbuf_release(&buf); @@ -1511,6 +1564,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name, } } + strbuf_release(&rev_index_name); strbuf_release(&index_name); strbuf_release(&pack_name); } @@ -1536,6 +1590,12 @@ static int git_index_pack_config(const char *k, const char *v, void *cb) } return 0; } + if (!strcmp(k, "pack.writereverseindex")) { + if (git_config_bool(k, v)) + opts->flags |= WRITE_REV; + else + opts->flags &= ~WRITE_REV; + } return git_default_config(k, v, cb); } @@ -1552,14 +1612,10 @@ static void read_v2_anomalous_offsets(struct packed_git *p, { const uint32_t *idx1, *idx2; uint32_t i; - const uint32_t hashwords = the_hash_algo->rawsz / sizeof(uint32_t); /* The address of the 4-byte offset table */ - idx1 = (((const uint32_t *)p->index_data) - + 2 /* 8-byte header */ - + 256 /* fan out */ - + hashwords * p->num_objects /* object ID table */ - + p->num_objects /* CRC32 table */ + idx1 = (((const uint32_t *)((const uint8_t *)p->index_data + p->crc_offset)) + + (size_t)p->num_objects /* CRC32 table */ ); /* The address of the 8-byte offset table */ @@ -1603,7 +1659,7 @@ static void read_idx_option(struct pack_idx_option *opts, const char *pack_name) /* * Get rid of the idx file as we do not need it anymore. * NEEDSWORK: extract this bit from free_pack_by_name() in - * sha1-file.c, perhaps? It shouldn't matter very much as we + * object-file.c, perhaps? It shouldn't matter very much as we * know we haven't installed this pack (hence we never have * read anything from it). */ @@ -1617,7 +1673,7 @@ static void show_pack_info(int stat_only) unsigned long *chain_histogram = NULL; if (deepest_delta) - chain_histogram = xcalloc(deepest_delta, sizeof(unsigned long)); + CALLOC_ARRAY(chain_histogram, deepest_delta); for (i = 0; i < nr_objects; i++) { struct object_entry *obj = &objects[i]; @@ -1657,17 +1713,20 @@ static void show_pack_info(int stat_only) int cmd_index_pack(int argc, const char **argv, const char *prefix) { - int i, fix_thin_pack = 0, verify = 0, stat_only = 0; + int i, fix_thin_pack = 0, verify = 0, stat_only = 0, rev_index; const char *curr_index; - const char *index_name = NULL, *pack_name = NULL; + const char *curr_rev_index = NULL; + const char *index_name = NULL, *pack_name = NULL, *rev_index_name = NULL; const char *keep_msg = NULL; const char *promisor_msg = NULL; struct strbuf index_name_buf = STRBUF_INIT; + struct strbuf rev_index_name_buf = STRBUF_INIT; struct pack_idx_entry **idx_objects; struct pack_idx_option opts; unsigned char pack_hash[GIT_MAX_RAWSZ]; unsigned foreign_nr = 1; /* zero is a "good" value, assume bad */ int report_end_of_input = 0; + int hash_algo = 0; /* * index-pack never needs to fetch missing objects except when @@ -1688,6 +1747,11 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) if (prefix && chdir(prefix)) die(_("Cannot come back to cwd")); + if (git_env_bool(GIT_TEST_WRITE_REV_INDEX, 0)) + rev_index = 1; + else + rev_index = !!(opts.flags & (WRITE_REV_VERIFY | WRITE_REV)); + for (i = 1; i < argc; i++) { const char *arg = argv[i]; @@ -1761,6 +1825,15 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) die(_("bad %s"), arg); } else if (skip_prefix(arg, "--max-input-size=", &arg)) { max_input_size = strtoumax(arg, NULL, 10); + } else if (skip_prefix(arg, "--object-format=", &arg)) { + hash_algo = hash_algo_by_name(arg); + if (hash_algo == GIT_HASH_UNKNOWN) + die(_("unknown hash algorithm '%s'"), arg); + repo_set_hash_algo(the_repository, hash_algo); + } else if (!strcmp(arg, "--rev-index")) { + rev_index = 1; + } else if (!strcmp(arg, "--no-rev-index")) { + rev_index = 0; } else usage(index_pack_usage); continue; @@ -1777,8 +1850,19 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) die(_("--fix-thin cannot be used without --stdin")); if (from_stdin && !startup_info->have_repository) die(_("--stdin requires a git repository")); + if (from_stdin && hash_algo) + die(_("--object-format cannot be used with --stdin")); if (!index_name && pack_name) - index_name = derive_filename(pack_name, "idx", &index_name_buf); + index_name = derive_filename(pack_name, "pack", "idx", &index_name_buf); + + opts.flags &= ~(WRITE_REV | WRITE_REV_VERIFY); + if (rev_index) { + opts.flags |= verify ? WRITE_REV_VERIFY : WRITE_REV; + if (index_name) + rev_index_name = derive_filename(index_name, + "idx", "rev", + &rev_index_name_buf); + } if (verify) { if (!index_name) @@ -1791,17 +1875,30 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) if (HAVE_THREADS && !nr_threads) { nr_threads = online_cpus(); - /* An experiment showed that more threads does not mean faster */ - if (nr_threads > 3) - nr_threads = 3; + /* + * Experiments show that going above 20 threads doesn't help, + * no matter how many cores you have. Below that, we tend to + * max at half the number of online_cpus(), presumably because + * half of those are hyperthreads rather than full cores. We'll + * never reduce the level below "3", though, to match a + * historical value that nobody complained about. + */ + if (nr_threads < 4) + ; /* too few cores to consider capping */ + else if (nr_threads < 6) + nr_threads = 3; /* historic cap */ + else if (nr_threads < 40) + nr_threads /= 2; + else + nr_threads = 20; /* hard cap */ } curr_pack = open_pack_file(pack_name); parse_pack_header(); - objects = xcalloc(st_add(nr_objects, 1), sizeof(struct object_entry)); + CALLOC_ARRAY(objects, st_add(nr_objects, 1)); if (show_stat) - obj_stat = xcalloc(st_add(nr_objects, 1), sizeof(struct object_stat)); - ofs_deltas = xcalloc(nr_objects, sizeof(struct ofs_delta_entry)); + CALLOC_ARRAY(obj_stat, st_add(nr_objects, 1)); + CALLOC_ARRAY(ofs_deltas, nr_objects); parse_pack_objects(pack_hash); if (report_end_of_input) write_in_full(2, "\0", 1); @@ -1819,11 +1916,16 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) for (i = 0; i < nr_objects; i++) idx_objects[i] = &objects[i].idx; curr_index = write_idx_file(index_name, idx_objects, nr_objects, &opts, pack_hash); + if (rev_index) + curr_rev_index = write_rev_file(rev_index_name, idx_objects, + nr_objects, pack_hash, + opts.flags); free(idx_objects); if (!verify) final(pack_name, curr_pack, index_name, curr_index, + rev_index_name, curr_rev_index, keep_msg, promisor_msg, pack_hash); else @@ -1834,10 +1936,13 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) free(objects); strbuf_release(&index_name_buf); + strbuf_release(&rev_index_name_buf); if (pack_name == NULL) free((void *) curr_pack); if (index_name == NULL) free((void *) curr_index); + if (rev_index_name == NULL) + free((void *) curr_rev_index); /* * Let the caller know this pack is not self contained diff --git a/builtin/init-db.c b/builtin/init-db.c index 944ec77fe1..2167796ff2 100644 --- a/builtin/init-db.c +++ b/builtin/init-db.c @@ -9,6 +9,7 @@ #include "builtin.h" #include "exec-cmd.h" #include "parse-options.h" +#include "worktree.h" #ifndef DEFAULT_GIT_TEMPLATE_DIR #define DEFAULT_GIT_TEMPLATE_DIR "/usr/share/git-core/templates" @@ -20,9 +21,10 @@ #define TEST_FILEMODE 1 #endif +#define GIT_DEFAULT_HASH_ENVIRONMENT "GIT_DEFAULT_HASH" + static int init_is_bare_repository = 0; static int init_shared_repository = -1; -static const char *init_db_template_dir; static void copy_templates_1(struct strbuf *path, struct strbuf *template_path, DIR *dir) @@ -91,7 +93,7 @@ static void copy_templates_1(struct strbuf *path, struct strbuf *template_path, } } -static void copy_templates(const char *template_dir) +static void copy_templates(const char *template_dir, const char *init_template_dir) { struct strbuf path = STRBUF_INIT; struct strbuf template_path = STRBUF_INIT; @@ -104,7 +106,7 @@ static void copy_templates(const char *template_dir) if (!template_dir) template_dir = getenv(TEMPLATE_DIR_ENVIRONMENT); if (!template_dir) - template_dir = init_db_template_dir; + template_dir = init_template_dir; if (!template_dir) template_dir = to_free = system_path(DEFAULT_GIT_TEMPLATE_DIR); if (!template_dir[0]) { @@ -151,17 +153,6 @@ free_return: clear_repository_format(&template_format); } -static int git_init_db_config(const char *k, const char *v, void *cb) -{ - if (!strcmp(k, "init.templatedir")) - return git_config_pathname(&init_db_template_dir, k, v); - - if (starts_with(k, "core.")) - return platform_core_config(k, v, cb); - - return 0; -} - /* * If the git_dir is not directly inside the working tree, then git will not * find it by default, and we need to set the worktree explicitly. @@ -176,21 +167,41 @@ static int needs_work_tree_config(const char *git_dir, const char *work_tree) return 1; } +void initialize_repository_version(int hash_algo, int reinit) +{ + char repo_version_string[10]; + int repo_version = GIT_REPO_VERSION; + + if (hash_algo != GIT_HASH_SHA1) + repo_version = GIT_REPO_VERSION_READ; + + /* This forces creation of new config file */ + xsnprintf(repo_version_string, sizeof(repo_version_string), + "%d", repo_version); + git_config_set("core.repositoryformatversion", repo_version_string); + + if (hash_algo != GIT_HASH_SHA1) + git_config_set("extensions.objectformat", + hash_algos[hash_algo].name); + else if (reinit) + git_config_set_gently("extensions.objectformat", NULL); +} + static int create_default_files(const char *template_path, - const char *original_git_dir) + const char *original_git_dir, + const char *initial_branch, + const struct repository_format *fmt, + int quiet) { struct stat st1; struct strbuf buf = STRBUF_INIT; char *path; - char repo_version_string[10]; char junk[2]; int reinit; int filemode; struct strbuf err = STRBUF_INIT; - - /* Just look for `init.templatedir` */ - init_db_template_dir = NULL; /* re-set in case it was set before */ - git_config(git_init_db_config, NULL); + const char *init_template_dir = NULL; + const char *work_tree = get_git_work_tree(); /* * First copy the templates -- we might have the default @@ -201,7 +212,9 @@ static int create_default_files(const char *template_path, * values (since we've just potentially changed what's available on * disk). */ - copy_templates(template_path); + git_config_get_pathname("init.templatedir", &init_template_dir); + copy_templates(template_path, init_template_dir); + free((char *)init_template_dir); git_config_clear(); reset_shared_repository(); git_config(git_default_config, NULL); @@ -210,7 +223,7 @@ static int create_default_files(const char *template_path, * We must make sure command-line options continue to override any * values we might have just re-read from the config. */ - is_bare_repository_cfg = init_is_bare_repository; + is_bare_repository_cfg = init_is_bare_repository || !work_tree; if (init_shared_repository != -1) set_shared_repository(init_shared_repository); @@ -233,21 +246,29 @@ static int create_default_files(const char *template_path, die("failed to set up refs db: %s", err.buf); /* - * Create the default symlink from ".git/HEAD" to the "master" - * branch, if it does not exist yet. + * Point the HEAD symref to the initial branch with if HEAD does + * not yet exist. */ path = git_path_buf(&buf, "HEAD"); reinit = (!access(path, R_OK) || readlink(path, junk, sizeof(junk)-1) != -1); if (!reinit) { - if (create_symref("HEAD", "refs/heads/master", NULL) < 0) + char *ref; + + if (!initial_branch) + initial_branch = git_default_branch_name(quiet); + + ref = xstrfmt("refs/heads/%s", initial_branch); + if (check_refname_format(ref, 0) < 0) + die(_("invalid initial branch name: '%s'"), + initial_branch); + + if (create_symref("HEAD", ref, NULL) < 0) exit(1); + free(ref); } - /* This forces creation of new config file */ - xsnprintf(repo_version_string, sizeof(repo_version_string), - "%d", GIT_REPO_VERSION); - git_config_set("core.repositoryformatversion", repo_version_string); + initialize_repository_version(fmt->hash_algo, 0); /* Check filemode trustability */ path = git_path_buf(&buf, "config"); @@ -266,7 +287,6 @@ static int create_default_files(const char *template_path, if (is_bare_repository()) git_config_set("core.bare", "true"); else { - const char *work_tree = get_git_work_tree(); git_config_set("core.bare", "false"); /* allow template config file to override the default */ if (log_all_ref_updates == LOG_REFS_UNSET) @@ -335,17 +355,40 @@ static void separate_git_dir(const char *git_dir, const char *git_link) if (rename(src, git_dir)) die_errno(_("unable to move %s to %s"), src, git_dir); + repair_worktrees(NULL, NULL); } write_file(git_link, "gitdir: %s", git_dir); } +static void validate_hash_algorithm(struct repository_format *repo_fmt, int hash) +{ + const char *env = getenv(GIT_DEFAULT_HASH_ENVIRONMENT); + /* + * If we already have an initialized repo, don't allow the user to + * specify a different algorithm, as that could cause corruption. + * Otherwise, if the user has specified one on the command line, use it. + */ + if (repo_fmt->version >= 0 && hash != GIT_HASH_UNKNOWN && hash != repo_fmt->hash_algo) + die(_("attempt to reinitialize repository with different hash")); + else if (hash != GIT_HASH_UNKNOWN) + repo_fmt->hash_algo = hash; + else if (env) { + int env_algo = hash_algo_by_name(env); + if (env_algo == GIT_HASH_UNKNOWN) + die(_("unknown hash algorithm '%s'"), env); + repo_fmt->hash_algo = env_algo; + } +} + int init_db(const char *git_dir, const char *real_git_dir, - const char *template_dir, unsigned int flags) + const char *template_dir, int hash, const char *initial_branch, + unsigned int flags) { int reinit; int exist_ok = flags & INIT_DB_EXIST_OK; char *original_git_dir = real_pathdup(git_dir, 1); + struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT; if (real_git_dir) { struct stat st; @@ -356,18 +399,18 @@ int init_db(const char *git_dir, const char *real_git_dir, if (!exist_ok && !stat(real_git_dir, &st)) die(_("%s already exists"), real_git_dir); - set_git_dir(real_path(real_git_dir)); + set_git_dir(real_git_dir, 1); git_dir = get_git_dir(); separate_git_dir(git_dir, original_git_dir); } else { - set_git_dir(real_path(git_dir)); + set_git_dir(git_dir, 1); git_dir = get_git_dir(); } startup_info->have_repository = 1; - /* Just look for `core.hidedotfiles` */ - git_config(git_init_db_config, NULL); + /* Ensure `core.hidedotfiles` is processed */ + git_config(platform_core_config, NULL); safe_create_dir(git_dir, 0); @@ -378,9 +421,16 @@ int init_db(const char *git_dir, const char *real_git_dir, * config file, so this will not fail. What we are catching * is an attempt to reinitialize new repository with an old tool. */ - check_repository_format(); + check_repository_format(&repo_fmt); + + validate_hash_algorithm(&repo_fmt, hash); - reinit = create_default_files(template_dir, original_git_dir); + reinit = create_default_files(template_dir, original_git_dir, + initial_branch, &repo_fmt, + flags & INIT_DB_QUIET); + if (reinit && initial_branch) + warning(_("re-init: ignored --initial-branch=%s"), + initial_branch); create_object_directory(); @@ -482,6 +532,9 @@ int cmd_init_db(int argc, const char **argv, const char *prefix) const char *work_tree; const char *template_dir = NULL; unsigned int flags = 0; + const char *object_format = NULL; + const char *initial_branch = NULL; + int hash_algo = GIT_HASH_UNKNOWN; const struct option init_db_options[] = { OPT_STRING(0, "template", &template_dir, N_("template-directory"), N_("directory from which templates will be used")), @@ -494,16 +547,25 @@ int cmd_init_db(int argc, const char **argv, const char *prefix) OPT_BIT('q', "quiet", &flags, N_("be quiet"), INIT_DB_QUIET), OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"), N_("separate git dir from working tree")), + OPT_STRING('b', "initial-branch", &initial_branch, N_("name"), + N_("override the name of the initial branch")), + OPT_STRING(0, "object-format", &object_format, N_("hash"), + N_("specify the hash algorithm to use")), OPT_END() }; argc = parse_options(argc, argv, prefix, init_db_options, init_db_usage, 0); + if (real_git_dir && is_bare_repository_cfg == 1) + die(_("--separate-git-dir and --bare are mutually exclusive")); + if (real_git_dir && !is_absolute_path(real_git_dir)) real_git_dir = real_pathdup(real_git_dir, 1); - if (template_dir && *template_dir && !is_absolute_path(template_dir)) + if (template_dir && *template_dir && !is_absolute_path(template_dir)) { template_dir = absolute_pathdup(template_dir); + UNLEAK(template_dir); + } if (argc == 1) { int mkdir_tried = 0; @@ -546,6 +608,12 @@ int cmd_init_db(int argc, const char **argv, const char *prefix) free(cwd); } + if (object_format) { + hash_algo = hash_algo_by_name(object_format); + if (hash_algo == GIT_HASH_UNKNOWN) + die(_("unknown hash algorithm '%s'"), object_format); + } + if (init_shared_repository != -1) set_shared_repository(init_shared_repository); @@ -567,6 +635,30 @@ int cmd_init_db(int argc, const char **argv, const char *prefix) if (!git_dir) git_dir = DEFAULT_GIT_DIR_ENVIRONMENT; + /* + * When --separate-git-dir is used inside a linked worktree, take + * care to ensure that the common .git/ directory is relocated, not + * the worktree-specific .git/worktrees/<id>/ directory. + */ + if (real_git_dir) { + int err; + const char *p; + struct strbuf sb = STRBUF_INIT; + + p = read_gitfile_gently(git_dir, &err); + if (p && get_common_dir(&sb, p)) { + struct strbuf mainwt = STRBUF_INIT; + + strbuf_addbuf(&mainwt, &sb); + strbuf_strip_suffix(&mainwt, "/.git"); + if (chdir(mainwt.buf) < 0) + die_errno(_("cannot chdir to %s"), mainwt.buf); + strbuf_release(&mainwt); + git_dir = strbuf_detach(&sb, NULL); + } + strbuf_release(&sb); + } + if (is_bare_repository_cfg < 0) is_bare_repository_cfg = guess_repository_type(git_dir); @@ -588,6 +680,8 @@ int cmd_init_db(int argc, const char **argv, const char *prefix) get_git_work_tree()); } else { + if (real_git_dir) + die(_("--separate-git-dir incompatible with bare repository")); if (work_tree) set_git_work_tree(work_tree); } @@ -597,5 +691,6 @@ int cmd_init_db(int argc, const char **argv, const char *prefix) UNLEAK(work_tree); flags |= INIT_DB_EXIST_OK; - return init_db(git_dir, real_git_dir, template_dir, flags); + return init_db(git_dir, real_git_dir, template_dir, hash_algo, + initial_branch, flags); } diff --git a/builtin/interpret-trailers.c b/builtin/interpret-trailers.c index f101d092b8..84748eafc0 100644 --- a/builtin/interpret-trailers.c +++ b/builtin/interpret-trailers.c @@ -105,8 +105,8 @@ int cmd_interpret_trailers(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "only-trailers", &opts.only_trailers, N_("output only the trailers")), OPT_BOOL(0, "only-input", &opts.only_input, N_("do not apply config rules")), OPT_BOOL(0, "unfold", &opts.unfold, N_("join whitespace-continued values")), - { OPTION_CALLBACK, 0, "parse", &opts, NULL, N_("set parsing options"), - PARSE_OPT_NOARG | PARSE_OPT_NONEG, parse_opt_parse }, + OPT_CALLBACK_F(0, "parse", &opts, NULL, N_("set parsing options"), + PARSE_OPT_NOARG | PARSE_OPT_NONEG, parse_opt_parse), OPT_BOOL(0, "no-divider", &opts.no_divider, N_("do not treat --- specially")), OPT_CALLBACK(0, "trailer", &trailers, N_("trailer"), N_("trailer(s) to add"), option_parse_trailer), diff --git a/builtin/log.c b/builtin/log.c index e43ee12fb1..3d7717ba5c 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -12,6 +12,7 @@ #include "color.h" #include "commit.h" #include "diff.h" +#include "diff-merges.h" #include "revision.h" #include "log-tree.h" #include "builtin.h" @@ -33,10 +34,11 @@ #include "commit-slab.h" #include "repository.h" #include "commit-reach.h" -#include "interdiff.h" #include "range-diff.h" #define MAIL_DEFAULT_WRAP 72 +#define COVER_FROM_AUTO_MAX_SUBJECT_LEN 100 +#define FORMAT_PATCH_NAME_MAX_DEFAULT 64 /* Set a default date-time format for git log ("log.date" config variable) */ static const char *default_date_mode = NULL; @@ -45,10 +47,12 @@ static int default_abbrev_commit; static int default_show_root = 1; static int default_follow; static int default_show_signature; +static int default_encode_email_headers = 1; static int decoration_style; static int decoration_given; -static int use_mailmap_config; +static int use_mailmap_config = 1; static const char *fmt_patch_subject_prefix = "PATCH"; +static int fmt_patch_name_max = FORMAT_PATCH_NAME_MAX_DEFAULT; static const char *fmt_pretty; static const char * const builtin_log_usage[] = { @@ -63,9 +67,14 @@ struct line_opt_callback_data { struct string_list args; }; +static int session_is_interactive(void) +{ + return isatty(1) || pager_in_use(); +} + static int auto_decoration_style(void) { - return (isatty(1) || pager_in_use()) ? DECORATE_SHORT_REFS : 0; + return session_is_interactive() ? DECORATE_SHORT_REFS : 0; } static int parse_decoration_style(const char *value) @@ -125,7 +134,6 @@ static int log_line_range_callback(const struct option *option, const char *arg, static void init_log_defaults(void) { - init_grep_defaults(the_repository); init_diff_ui_defaults(); decoration_style = auto_decoration_style(); @@ -144,7 +152,9 @@ static void cmd_log_init_defaults(struct rev_info *rev) rev->abbrev_commit = default_abbrev_commit; rev->show_root_diff = default_show_root; rev->subject_prefix = fmt_patch_subject_prefix; + rev->patch_name_max = fmt_patch_name_max; rev->show_signature = default_show_signature; + rev->encode_email_headers = default_encode_email_headers; rev->diffopt.flags.allow_textconv = 1; if (default_date_mode) @@ -155,26 +165,29 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix, struct rev_info *rev, struct setup_revision_opt *opt) { struct userformat_want w; - int quiet = 0, source = 0, mailmap = 0; + int quiet = 0, source = 0, mailmap; static struct line_opt_callback_data line_cb = {NULL, NULL, STRING_LIST_INIT_DUP}; static struct string_list decorate_refs_exclude = STRING_LIST_INIT_NODUP; + static struct string_list decorate_refs_exclude_config = STRING_LIST_INIT_NODUP; static struct string_list decorate_refs_include = STRING_LIST_INIT_NODUP; struct decoration_filter decoration_filter = {&decorate_refs_include, - &decorate_refs_exclude}; + &decorate_refs_exclude, + &decorate_refs_exclude_config}; static struct revision_sources revision_sources; const struct option builtin_log_options[] = { OPT__QUIET(&quiet, N_("suppress diff output")), OPT_BOOL(0, "source", &source, N_("show source")), - OPT_BOOL(0, "use-mailmap", &mailmap, N_("Use mail map file")), + OPT_BOOL(0, "use-mailmap", &mailmap, N_("use mail map file")), + OPT_ALIAS(0, "mailmap", "use-mailmap"), OPT_STRING_LIST(0, "decorate-refs", &decorate_refs_include, N_("pattern"), N_("only decorate refs that match <pattern>")), OPT_STRING_LIST(0, "decorate-refs-exclude", &decorate_refs_exclude, N_("pattern"), N_("do not decorate refs that match <pattern>")), - { OPTION_CALLBACK, 0, "decorate", NULL, NULL, N_("decorate options"), - PARSE_OPT_OPTARG, decorate_callback}, - OPT_CALLBACK('L', NULL, &line_cb, "n,m:file", - N_("Process line range n,m in file, counting from 1"), + OPT_CALLBACK_F(0, "decorate", NULL, NULL, N_("decorate options"), + PARSE_OPT_OPTARG, decorate_callback), + OPT_CALLBACK('L', NULL, &line_cb, "range:file", + N_("trace the evolution of line range <start>,<end> or function :<funcname> in <file>"), log_line_range_callback), OPT_END() }; @@ -196,13 +209,16 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix, if (argc > 1) die(_("unrecognized argument: %s"), argv[1]); + if (rev->line_level_traverse && rev->prune_data.nr) + die(_("-L<range>:<file> cannot be used with pathspec")); + memset(&w, 0, sizeof(w)); userformat_find_requirements(NULL, &w); if (!rev->show_notes_given && (!rev->pretty_given || w.notes)) rev->show_notes = 1; if (rev->show_notes) - init_display_notes(&rev->notes_opt); + load_display_notes(&rev->notes_opt); if ((rev->diffopt.pickaxe_opts & DIFF_PICKAXE_KINDS_MASK) || rev->diffopt.filter || rev->diffopt.flags.follow_renames) @@ -215,7 +231,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix, if (mailmap) { rev->mailmap = xcalloc(1, sizeof(struct string_list)); - read_mailmap(rev->mailmap, NULL); + read_mailmap(rev->mailmap); } if (rev->pretty_given && rev->commit_format == CMIT_FMT_RAW) { @@ -229,8 +245,23 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix, rev->abbrev_commit = 0; } + if (rev->commit_format == CMIT_FMT_USERFORMAT && !w.decorate) + decoration_style = 0; + if (decoration_style) { + const struct string_list *config_exclude = + repo_config_get_value_multi(the_repository, + "log.excludeDecoration"); + + if (config_exclude) { + struct string_list_item *item; + for_each_string_list_item(item, config_exclude) + string_list_append(&decorate_refs_exclude_config, + item->string); + } + rev->show_decorations = 1; + load_ref_decorations(&decoration_filter, decoration_style); } @@ -279,10 +310,11 @@ static struct itimerval early_output_timer; static void log_show_early(struct rev_info *revs, struct commit_list *list) { - int i = revs->early_output, close_file = revs->diffopt.close_file; + int i = revs->early_output; int show_header = 1; + int no_free = revs->diffopt.no_free; - revs->diffopt.close_file = 0; + revs->diffopt.no_free = 0; sort_in_topological_order(&list, revs->sort_order); while (list && i) { struct commit *commit = list->item; @@ -299,8 +331,8 @@ static void log_show_early(struct rev_info *revs, struct commit_list *list) case commit_ignore: break; case commit_error: - if (close_file) - fclose(revs->diffopt.file); + revs->diffopt.no_free = no_free; + diff_free(&revs->diffopt); return; } list = list->next; @@ -308,8 +340,8 @@ static void log_show_early(struct rev_info *revs, struct commit_list *list) /* Did we already get enough commits for the early output? */ if (!i) { - if (close_file) - fclose(revs->diffopt.file); + revs->diffopt.no_free = 0; + diff_free(&revs->diffopt); return; } @@ -373,7 +405,7 @@ static int cmd_log_walk(struct rev_info *rev) { struct commit *commit; int saved_nrl = 0; - int saved_dcctc = 0, close_file = rev->diffopt.close_file; + int saved_dcctc = 0; if (rev->early_output) setup_early_output(); @@ -389,7 +421,7 @@ static int cmd_log_walk(struct rev_info *rev) * and HAS_CHANGES being accumulated in rev->diffopt, so be careful to * retain that state information if replacing rev->diffopt in this loop */ - rev->diffopt.close_file = 0; + rev->diffopt.no_free = 1; while ((commit = get_revision(rev)) != NULL) { if (!log_tree_commit(rev, commit) && rev->max_count >= 0) /* @@ -414,8 +446,8 @@ static int cmd_log_walk(struct rev_info *rev) } rev->diffopt.degraded_cc_to_c = saved_dcctc; rev->diffopt.needed_rename_limit = saved_nrl; - if (close_file) - fclose(rev->diffopt.file); + rev->diffopt.no_free = 0; + diff_free(&rev->diffopt); if (rev->diffopt.output_format & DIFF_FORMAT_CHECKDIFF && rev->diffopt.flags.check_failed) { @@ -432,6 +464,14 @@ static int git_log_config(const char *var, const char *value, void *cb) return git_config_string(&fmt_pretty, var, value); if (!strcmp(var, "format.subjectprefix")) return git_config_string(&fmt_patch_subject_prefix, var, value); + if (!strcmp(var, "format.filenamemaxlength")) { + fmt_patch_name_max = git_config_int(var, value); + return 0; + } + if (!strcmp(var, "format.encodeemailheaders")) { + default_encode_email_headers = git_config_bool(var, value); + return 0; + } if (!strcmp(var, "log.abbrevcommit")) { default_abbrev_commit = git_config_bool(var, value); return 0; @@ -444,6 +484,8 @@ static int git_log_config(const char *var, const char *value, void *cb) decoration_style = 0; /* maybe warn? */ return 0; } + if (!strcmp(var, "log.diffmerges")) + return diff_merges_config(value); if (!strcmp(var, "log.showroot")) { default_show_root = git_config_bool(var, value); return 0; @@ -562,7 +604,7 @@ static int show_tag_object(const struct object_id *oid, struct rev_info *rev) static int show_tree_object(const struct object_id *oid, struct strbuf *base, - const char *pathname, unsigned mode, int stage, void *context) + const char *pathname, unsigned mode, void *context) { FILE *file = context; fprintf(file, "%s%s\n", pathname, S_ISDIR(mode) ? "/" : ""); @@ -572,15 +614,10 @@ static int show_tree_object(const struct object_id *oid, static void show_setup_revisions_tweak(struct rev_info *rev, struct setup_revision_opt *opt) { - if (rev->ignore_merges) { - /* There was no "-m" on the command line */ - rev->ignore_merges = 0; - if (!rev->first_parent_only && !rev->combine_merges) { - /* No "--first-parent", "-c", or "--cc" */ - rev->combine_merges = 1; - rev->dense_combined_merges = 1; - } - } + if (rev->first_parent_only) + diff_merges_default_to_first_parent(rev); + else + diff_merges_default_to_dense_combined(rev); if (!rev->diffopt.output_format) rev->diffopt.output_format = DIFF_FORMAT_PATCH; } @@ -622,6 +659,7 @@ int cmd_show(int argc, const char **argv, const char *prefix) break; case OBJ_TAG: { struct tag *t = (struct tag *)o; + struct object_id *oid = get_tagged_oid(t); if (rev.shown_one) putchar('\n'); @@ -633,10 +671,10 @@ int cmd_show(int argc, const char **argv, const char *prefix) rev.shown_one = 1; if (ret) break; - o = parse_object(the_repository, &t->tagged->oid); + o = parse_object(the_repository, oid); if (!o) ret = error(_("could not read object %s"), - oid_to_hex(&t->tagged->oid)); + oid_to_hex(oid)); objects[i].item = o; i--; break; @@ -648,9 +686,9 @@ int cmd_show(int argc, const char **argv, const char *prefix) diff_get_color_opt(&rev.diffopt, DIFF_COMMIT), name, diff_get_color_opt(&rev.diffopt, DIFF_RESET)); - read_tree_recursive(the_repository, (struct tree *)o, "", - 0, 0, &match_all, show_tree_object, - rev.diffopt.file); + read_tree(the_repository, (struct tree *)o, + &match_all, show_tree_object, + rev.diffopt.file); rev.shown_one = 1; break; case OBJ_COMMIT: @@ -700,13 +738,8 @@ static void log_setup_revisions_tweak(struct rev_info *rev, rev->prune_data.nr == 1) rev->diffopt.flags.follow_renames = 1; - /* Turn --cc/-c into -p --cc/-c when -p was not given */ - if (!rev->diffopt.output_format && rev->combine_merges) - rev->diffopt.output_format = DIFF_FORMAT_PATCH; - - /* Turn -m on when --cc/-c was given */ - if (rev->combine_merges) - rev->ignore_merges = 0; + if (rev->first_parent_only) + diff_merges_default_to_first_parent(rev); } int cmd_log(int argc, const char **argv, const char *prefix) @@ -759,23 +792,59 @@ static void add_header(const char *value) item->string[len] = '\0'; } -#define THREAD_SHALLOW 1 -#define THREAD_DEEP 2 -static int thread; +enum cover_setting { + COVER_UNSET, + COVER_OFF, + COVER_ON, + COVER_AUTO +}; + +enum thread_level { + THREAD_UNSET, + THREAD_SHALLOW, + THREAD_DEEP +}; + +enum cover_from_description { + COVER_FROM_NONE, + COVER_FROM_MESSAGE, + COVER_FROM_SUBJECT, + COVER_FROM_AUTO +}; + +enum auto_base_setting { + AUTO_BASE_NEVER, + AUTO_BASE_ALWAYS, + AUTO_BASE_WHEN_ABLE +}; + +static enum thread_level thread; static int do_signoff; -static int base_auto; +static enum auto_base_setting auto_base; static char *from; static const char *signature = git_version_string; static const char *signature_file; -static int config_cover_letter; +static enum cover_setting config_cover_letter; static const char *config_output_directory; +static enum cover_from_description cover_from_description_mode = COVER_FROM_MESSAGE; +static int show_notes; +static struct display_notes_opt notes_opt; -enum { - COVER_UNSET, - COVER_OFF, - COVER_ON, - COVER_AUTO -}; +static enum cover_from_description parse_cover_from_description(const char *arg) +{ + if (!arg || !strcmp(arg, "default")) + return COVER_FROM_MESSAGE; + else if (!strcmp(arg, "none")) + return COVER_FROM_NONE; + else if (!strcmp(arg, "message")) + return COVER_FROM_MESSAGE; + else if (!strcmp(arg, "subject")) + return COVER_FROM_SUBJECT; + else if (!strcmp(arg, "auto")) + return COVER_FROM_AUTO; + else + die(_("%s: invalid cover from description mode"), arg); +} static int git_format_config(const char *var, const char *value, void *cb) { @@ -828,7 +897,7 @@ static int git_format_config(const char *var, const char *value, void *cb) thread = THREAD_SHALLOW; return 0; } - thread = git_config_bool(var, value) && THREAD_SHALLOW; + thread = git_config_bool(var, value) ? THREAD_SHALLOW : THREAD_UNSET; return 0; } if (!strcmp(var, "format.signoff")) { @@ -850,7 +919,11 @@ static int git_format_config(const char *var, const char *value, void *cb) if (!strcmp(var, "format.outputdirectory")) return git_config_string(&config_output_directory, var, value); if (!strcmp(var, "format.useautobase")) { - base_auto = git_config_bool(var, value); + if (value && !strcasecmp(value, "whenAble")) { + auto_base = AUTO_BASE_WHEN_ABLE; + return 0; + } + auto_base = git_config_bool(var, value) ? AUTO_BASE_ALWAYS : AUTO_BASE_NEVER; return 0; } if (!strcmp(var, "format.from")) { @@ -864,6 +937,20 @@ static int git_format_config(const char *var, const char *value, void *cb) from = NULL; return 0; } + if (!strcmp(var, "format.notes")) { + int b = git_parse_maybe_bool(value); + if (b < 0) + enable_ref_display_notes(¬es_opt, &show_notes, value); + else if (b) + enable_default_display_notes(¬es_opt, &show_notes); + else + disable_display_notes(¬es_opt, &show_notes); + return 0; + } + if (!strcmp(var, "format.coverfromdescription")) { + cover_from_description_mode = parse_cover_from_description(value); + return 0; + } return git_log_config(var, value, cb); } @@ -875,15 +962,9 @@ static int open_next_file(struct commit *commit, const char *subject, struct rev_info *rev, int quiet) { struct strbuf filename = STRBUF_INIT; - int suffix_len = strlen(rev->patch_suffix) + 1; if (output_directory) { strbuf_addstr(&filename, output_directory); - if (filename.len >= - PATH_MAX - FORMAT_PATCH_NAME_MAX - suffix_len) { - strbuf_release(&filename); - return error(_("name of output directory is too long")); - } strbuf_complete(&filename, '/'); } @@ -970,20 +1051,6 @@ static void print_signature(FILE *file) putc('\n', file); } -static void add_branch_description(struct strbuf *buf, const char *branch_name) -{ - struct strbuf desc = STRBUF_INIT; - if (!branch_name || !*branch_name) - return; - read_branch_desc(&desc, branch_name); - if (desc.len) { - strbuf_addch(buf, '\n'); - strbuf_addbuf(buf, &desc); - strbuf_addch(buf, '\n'); - } - strbuf_release(&desc); -} - static char *find_branch_name(struct rev_info *rev) { int i, positive = -1; @@ -1004,7 +1071,7 @@ static char *find_branch_name(struct rev_info *rev) return NULL; ref = rev->cmdline.rev[positive].name; tip_oid = &rev->cmdline.rev[positive].item->oid; - if (dwim_ref(ref, strlen(ref), &branch_oid, &full_ref) && + if (dwim_ref(ref, strlen(ref), &branch_oid, &full_ref, 0) && skip_prefix(full_ref, "refs/heads/", &v) && oideq(tip_oid, &branch_oid)) branch = xstrdup(v); @@ -1030,15 +1097,70 @@ static void show_diffstat(struct rev_info *rev, fprintf(rev->diffopt.file, "\n"); } -static void make_cover_letter(struct rev_info *rev, int use_stdout, +static void prepare_cover_text(struct pretty_print_context *pp, + const char *branch_name, + struct strbuf *sb, + const char *encoding, + int need_8bit_cte) +{ + const char *subject = "*** SUBJECT HERE ***"; + const char *body = "*** BLURB HERE ***"; + struct strbuf description_sb = STRBUF_INIT; + struct strbuf subject_sb = STRBUF_INIT; + + if (cover_from_description_mode == COVER_FROM_NONE) + goto do_pp; + + if (branch_name && *branch_name) + read_branch_desc(&description_sb, branch_name); + if (!description_sb.len) + goto do_pp; + + if (cover_from_description_mode == COVER_FROM_SUBJECT || + cover_from_description_mode == COVER_FROM_AUTO) + body = format_subject(&subject_sb, description_sb.buf, " "); + + if (cover_from_description_mode == COVER_FROM_MESSAGE || + (cover_from_description_mode == COVER_FROM_AUTO && + subject_sb.len > COVER_FROM_AUTO_MAX_SUBJECT_LEN)) + body = description_sb.buf; + else + subject = subject_sb.buf; + +do_pp: + pp_title_line(pp, &subject, sb, encoding, need_8bit_cte); + pp_remainder(pp, &body, sb, 0); + + strbuf_release(&description_sb); + strbuf_release(&subject_sb); +} + +static int get_notes_refs(struct string_list_item *item, void *arg) +{ + strvec_pushf(arg, "--notes=%s", item->string); + return 0; +} + +static void get_notes_args(struct strvec *arg, struct rev_info *rev) +{ + if (!rev->show_notes) { + strvec_push(arg, "--no-notes"); + } else if (rev->notes_opt.use_default_notes > 0 || + (rev->notes_opt.use_default_notes == -1 && + !rev->notes_opt.extra_notes_refs.nr)) { + strvec_push(arg, "--notes"); + } else { + for_each_string_list(&rev->notes_opt.extra_notes_refs, get_notes_refs, arg); + } +} + +static void make_cover_letter(struct rev_info *rev, int use_separate_file, struct commit *origin, int nr, struct commit **list, const char *branch_name, int quiet) { const char *committer; - const char *body = "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n"; - const char *msg; struct shortlog log; struct strbuf sb = STRBUF_INIT; int i; @@ -1052,7 +1174,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, committer = git_committer_info(0); - if (!use_stdout && + if (use_separate_file && open_next_file(NULL, rev->numbered_files ? NULL : "cover-letter", rev, quiet)) die(_("failed to create cover-letter file")); @@ -1068,15 +1190,12 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, if (!branch_name) branch_name = find_branch_name(rev); - msg = body; pp.fmt = CMIT_FMT_EMAIL; pp.date_mode.type = DATE_RFC2822; pp.rev = rev; pp.print_email_subject = 1; pp_user_info(&pp, NULL, &sb, committer, encoding); - pp_title_line(&pp, &msg, &sb, encoding, need_8bit_cte); - pp_remainder(&pp, &msg, &sb, 0); - add_branch_description(&sb, branch_name); + prepare_cover_text(&pp, branch_name, &sb, encoding, need_8bit_cte); fprintf(rev->diffopt.file, "%s\n", sb.buf); strbuf_release(&sb); @@ -1087,6 +1206,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, log.in1 = 2; log.in2 = 4; log.file = rev->diffopt.file; + log.groups = SHORTLOG_GROUP_AUTHOR; for (i = 0; i < nr; i++) shortlog_add_commit(&log, list[i]); @@ -1098,7 +1218,8 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, if (rev->idiff_oid1) { fprintf_ln(rev->diffopt.file, "%s", rev->idiff_title); - show_interdiff(rev, 0); + show_interdiff(rev->idiff_oid1, rev->idiff_oid2, 0, + &rev->diffopt); } if (rev->rdiff1) { @@ -1107,13 +1228,22 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout, * can be added later if deemed desirable. */ struct diff_options opts; + struct strvec other_arg = STRVEC_INIT; + struct range_diff_options range_diff_opts = { + .creation_factor = rev->creation_factor, + .dual_color = 1, + .diffopt = &opts, + .other_arg = &other_arg + }; + diff_setup(&opts); opts.file = rev->diffopt.file; opts.use_color = rev->diffopt.use_color; diff_setup_done(&opts); fprintf_ln(rev->diffopt.file, "%s", rev->rdiff_title); - show_range_diff(rev->rdiff1, rev->rdiff2, - rev->creation_factor, 1, &opts); + get_notes_args(&other_arg, rev); + show_range_diff(rev->rdiff1, rev->rdiff2, &range_diff_opts); + strvec_clear(&other_arg); } } @@ -1225,9 +1355,9 @@ static int output_directory_callback(const struct option *opt, const char *arg, static int thread_callback(const struct option *opt, const char *arg, int unset) { - int *thread = (int *)opt->value; + enum thread_level *thread = (enum thread_level *)opt->value; if (unset) - *thread = 0; + *thread = THREAD_UNSET; else if (!arg || !strcmp(arg, "shallow")) *thread = THREAD_SHALLOW; else if (!strcmp(arg, "deep")) @@ -1274,7 +1404,7 @@ static int header_callback(const struct option *opt, const char *arg, int unset) string_list_clear(&extra_to, 0); string_list_clear(&extra_cc, 0); } else { - add_header(arg); + add_header(arg); } return 0; } @@ -1312,6 +1442,23 @@ static int from_callback(const struct option *opt, const char *arg, int unset) return 0; } +static int base_callback(const struct option *opt, const char *arg, int unset) +{ + const char **base_commit = opt->value; + + if (unset) { + auto_base = AUTO_BASE_NEVER; + *base_commit = NULL; + } else if (!strcmp(arg, "auto")) { + auto_base = AUTO_BASE_ALWAYS; + *base_commit = NULL; + } else { + auto_base = AUTO_BASE_NEVER; + *base_commit = arg; + } + return 0; +} + struct base_tree_info { struct object_id base_commit; int nr_patch_id, alloc_patch_id; @@ -1324,13 +1471,36 @@ static struct commit *get_base_commit(const char *base_commit, { struct commit *base = NULL; struct commit **rev; - int i = 0, rev_nr = 0; + int i = 0, rev_nr = 0, auto_select, die_on_failure; + + switch (auto_base) { + case AUTO_BASE_NEVER: + if (base_commit) { + auto_select = 0; + die_on_failure = 1; + } else { + /* no base information is requested */ + return NULL; + } + break; + case AUTO_BASE_ALWAYS: + case AUTO_BASE_WHEN_ABLE: + if (base_commit) { + BUG("requested automatic base selection but a commit was provided"); + } else { + auto_select = 1; + die_on_failure = auto_base == AUTO_BASE_ALWAYS; + } + break; + default: + BUG("unexpected automatic base selection method"); + } - if (base_commit && strcmp(base_commit, "auto")) { + if (!auto_select) { base = lookup_commit_reference_by_name(base_commit); if (!base) die(_("unknown commit %s"), base_commit); - } else if ((base_commit && !strcmp(base_commit, "auto")) || base_auto) { + } else { struct branch *curr_branch = branch_get(NULL); const char *upstream = branch_get_upstream(curr_branch, NULL); if (upstream) { @@ -1338,19 +1508,32 @@ static struct commit *get_base_commit(const char *base_commit, struct commit *commit; struct object_id oid; - if (get_oid(upstream, &oid)) - die(_("failed to resolve '%s' as a valid ref"), upstream); + if (get_oid(upstream, &oid)) { + if (die_on_failure) + die(_("failed to resolve '%s' as a valid ref"), upstream); + else + return NULL; + } commit = lookup_commit_or_die(&oid, "upstream base"); base_list = get_merge_bases_many(commit, total, list); /* There should be one and only one merge base. */ - if (!base_list || base_list->next) - die(_("could not find exact merge base")); + if (!base_list || base_list->next) { + if (die_on_failure) { + die(_("could not find exact merge base")); + } else { + free_commit_list(base_list); + return NULL; + } + } base = base_list->item; free_commit_list(base_list); } else { - die(_("failed to get upstream, if you want to record base commit automatically,\n" - "please use git branch --set-upstream-to to track a remote branch.\n" - "Or you could specify base commit by --base=<base-commit-id> manually")); + if (die_on_failure) + die(_("failed to get upstream, if you want to record base commit automatically,\n" + "please use git branch --set-upstream-to to track a remote branch.\n" + "Or you could specify base commit by --base=<base-commit-id> manually")); + else + return NULL; } } @@ -1367,8 +1550,14 @@ static struct commit *get_base_commit(const char *base_commit, for (i = 0; i < rev_nr / 2; i++) { struct commit_list *merge_base; merge_base = get_merge_bases(rev[2 * i], rev[2 * i + 1]); - if (!merge_base || merge_base->next) - die(_("failed to find exact merge base")); + if (!merge_base || merge_base->next) { + if (die_on_failure) { + die(_("failed to find exact merge base")); + } else { + free(rev); + return NULL; + } + } rev[i] = merge_base->item; } @@ -1378,12 +1567,24 @@ static struct commit *get_base_commit(const char *base_commit, rev_nr = DIV_ROUND_UP(rev_nr, 2); } - if (!in_merge_bases(base, rev[0])) - die(_("base commit should be the ancestor of revision list")); + if (!in_merge_bases(base, rev[0])) { + if (die_on_failure) { + die(_("base commit should be the ancestor of revision list")); + } else { + free(rev); + return NULL; + } + } for (i = 0; i < total; i++) { - if (base == list[i]) - die(_("base commit shouldn't be in revision list")); + if (base == list[i]) { + if (die_on_failure) { + die(_("base commit shouldn't be in revision list")); + } else { + free(rev); + return NULL; + } + } } free(rev); @@ -1435,7 +1636,7 @@ static void prepare_bases(struct base_tree_info *bases, struct object_id *patch_id; if (*commit_base_at(&commit_base, commit)) continue; - if (commit_patch_id(commit, &diffopt, &oid, 0)) + if (commit_patch_id(commit, &diffopt, &oid, 0, 1)) die(_("cannot get patch id")); ALLOC_GROW(bases->patch_id, bases->nr_patch_id + 1, bases->alloc_patch_id); patch_id = bases->patch_id + bases->nr_patch_id; @@ -1466,13 +1667,19 @@ static void print_bases(struct base_tree_info *bases, FILE *file) oidclr(&bases->base_commit); } -static const char *diff_title(struct strbuf *sb, int reroll_count, - const char *generic, const char *rerolled) +static const char *diff_title(struct strbuf *sb, + const char *reroll_count, + const char *generic, + const char *rerolled) { - if (reroll_count <= 0) + int v; + + /* RFC may be v0, so allow -v1 to diff against v0 */ + if (reroll_count && !strtol_i(reroll_count, 10, &v) && + v >= 1) + strbuf_addf(sb, rerolled, v - 1); + else strbuf_addstr(sb, generic); - else /* RFC may be v0, so allow -v1 to diff against v0 */ - strbuf_addf(sb, rerolled, reroll_count - 1); return sb->buf; } @@ -1483,16 +1690,20 @@ static void infer_range_diff_ranges(struct strbuf *r1, struct commit *head) { const char *head_oid = oid_to_hex(&head->object.oid); + int prev_is_range = is_range_diff_range(prev); - if (!strstr(prev, "..")) { + if (prev_is_range) + strbuf_addstr(r1, prev); + else strbuf_addf(r1, "%s..%s", head_oid, prev); + + if (origin) + strbuf_addf(r2, "%s..%s", oid_to_hex(&origin->object.oid), head_oid); + else if (prev_is_range) + die(_("failed to infer range-diff origin of current series")); + else { + warning(_("using '%s' as range-diff origin of current series"), prev); strbuf_addf(r2, "%s..%s", prev, head_oid); - } else if (!origin) { - die(_("failed to infer range-diff ranges")); - } else { - strbuf_addstr(r1, prev); - strbuf_addf(r2, "%s..%s", - oid_to_hex(&origin->object.oid), head_oid); } } @@ -1517,10 +1728,12 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) struct strbuf buf = STRBUF_INIT; int use_patch_format = 0; int quiet = 0; - int reroll_count = -1; + const char *reroll_count = NULL; + char *cover_from_description_arg = NULL; char *branch_name = NULL; char *base_commit = NULL; struct base_tree_info bases; + struct commit *base; int show_progress = 0; struct progress *progress = NULL; struct oid_array idiff_prev = OID_ARRAY_INIT; @@ -1532,13 +1745,13 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) int creation_factor = -1; const struct option builtin_format_patch_options[] = { - { OPTION_CALLBACK, 'n', "numbered", &numbered, NULL, + OPT_CALLBACK_F('n', "numbered", &numbered, NULL, N_("use [PATCH n/m] even with a single patch"), - PARSE_OPT_NOARG, numbered_callback }, - { OPTION_CALLBACK, 'N', "no-numbered", &numbered, NULL, + PARSE_OPT_NOARG, numbered_callback), + OPT_CALLBACK_F('N', "no-numbered", &numbered, NULL, N_("use [PATCH] even with multiple patches"), - PARSE_OPT_NOARG | PARSE_OPT_NONEG, no_numbered_callback }, - OPT_BOOL('s', "signoff", &do_signoff, N_("add Signed-off-by:")), + PARSE_OPT_NOARG | PARSE_OPT_NONEG, no_numbered_callback), + OPT_BOOL('s', "signoff", &do_signoff, N_("add a Signed-off-by trailer")), OPT_BOOL(0, "stdout", &use_stdout, N_("print patches to standard out")), OPT_BOOL(0, "cover-letter", &cover_letter, @@ -1549,20 +1762,25 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) N_("use <sfx> instead of '.patch'")), OPT_INTEGER(0, "start-number", &start_number, N_("start numbering patches at <n> instead of 1")), - OPT_INTEGER('v', "reroll-count", &reroll_count, + OPT_STRING('v', "reroll-count", &reroll_count, N_("reroll-count"), N_("mark the series as Nth re-roll")), - { OPTION_CALLBACK, 0, "rfc", &rev, NULL, - N_("Use [RFC PATCH] instead of [PATCH]"), - PARSE_OPT_NOARG | PARSE_OPT_NONEG, rfc_callback }, - { OPTION_CALLBACK, 0, "subject-prefix", &rev, N_("prefix"), - N_("Use [<prefix>] instead of [PATCH]"), - PARSE_OPT_NONEG, subject_prefix_callback }, - { OPTION_CALLBACK, 'o', "output-directory", &output_directory, + OPT_INTEGER(0, "filename-max-length", &fmt_patch_name_max, + N_("max length of output filename")), + OPT_CALLBACK_F(0, "rfc", &rev, NULL, + N_("use [RFC PATCH] instead of [PATCH]"), + PARSE_OPT_NOARG | PARSE_OPT_NONEG, rfc_callback), + OPT_STRING(0, "cover-from-description", &cover_from_description_arg, + N_("cover-from-description-mode"), + N_("generate parts of a cover letter based on a branch's description")), + OPT_CALLBACK_F(0, "subject-prefix", &rev, N_("prefix"), + N_("use [<prefix>] instead of [PATCH]"), + PARSE_OPT_NONEG, subject_prefix_callback), + OPT_CALLBACK_F('o', "output-directory", &output_directory, N_("dir"), N_("store resulting files in <dir>"), - PARSE_OPT_NONEG, output_directory_callback }, - { OPTION_CALLBACK, 'k', "keep-subject", &rev, NULL, + PARSE_OPT_NONEG, output_directory_callback), + OPT_CALLBACK_F('k', "keep-subject", &rev, NULL, N_("don't strip/add [PATCH]"), - PARSE_OPT_NOARG | PARSE_OPT_NONEG, keep_callback }, + PARSE_OPT_NOARG | PARSE_OPT_NONEG, keep_callback), OPT_BOOL(0, "no-binary", &no_binary_diff, N_("don't output binary diffs")), OPT_BOOL(0, "zero-commit", &zero_commit, @@ -1573,31 +1791,30 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) N_("show patch format instead of default (patch + stat)"), 1, PARSE_OPT_NONEG), OPT_GROUP(N_("Messaging")), - { OPTION_CALLBACK, 0, "add-header", NULL, N_("header"), - N_("add email header"), 0, header_callback }, - { OPTION_CALLBACK, 0, "to", NULL, N_("email"), N_("add To: header"), - 0, to_callback }, - { OPTION_CALLBACK, 0, "cc", NULL, N_("email"), N_("add Cc: header"), - 0, cc_callback }, - { OPTION_CALLBACK, 0, "from", &from, N_("ident"), + OPT_CALLBACK(0, "add-header", NULL, N_("header"), + N_("add email header"), header_callback), + OPT_CALLBACK(0, "to", NULL, N_("email"), N_("add To: header"), to_callback), + OPT_CALLBACK(0, "cc", NULL, N_("email"), N_("add Cc: header"), cc_callback), + OPT_CALLBACK_F(0, "from", &from, N_("ident"), N_("set From address to <ident> (or committer ident if absent)"), - PARSE_OPT_OPTARG, from_callback }, + PARSE_OPT_OPTARG, from_callback), OPT_STRING(0, "in-reply-to", &in_reply_to, N_("message-id"), N_("make first mail a reply to <message-id>")), - { OPTION_CALLBACK, 0, "attach", &rev, N_("boundary"), + OPT_CALLBACK_F(0, "attach", &rev, N_("boundary"), N_("attach the patch"), PARSE_OPT_OPTARG, - attach_callback }, - { OPTION_CALLBACK, 0, "inline", &rev, N_("boundary"), + attach_callback), + OPT_CALLBACK_F(0, "inline", &rev, N_("boundary"), N_("inline the patch"), PARSE_OPT_OPTARG | PARSE_OPT_NONEG, - inline_callback }, - { OPTION_CALLBACK, 0, "thread", &thread, N_("style"), + inline_callback), + OPT_CALLBACK_F(0, "thread", &thread, N_("style"), N_("enable message threading, styles: shallow, deep"), - PARSE_OPT_OPTARG, thread_callback }, + PARSE_OPT_OPTARG, thread_callback), OPT_STRING(0, "signature", &signature, N_("signature"), N_("add a signature")), - OPT_STRING(0, "base", &base_commit, N_("base-commit"), - N_("add prerequisite tree info to the patch series")), + OPT_CALLBACK_F(0, "base", &base_commit, N_("base-commit"), + N_("add prerequisite tree info to the patch series"), + 0, base_callback), OPT_FILENAME(0, "signature-file", &signature_file, N_("add a signature from a file")), OPT__QUIET(&quiet, N_("don't print the patch filenames")), @@ -1617,9 +1834,13 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) extra_to.strdup_strings = 1; extra_cc.strdup_strings = 1; init_log_defaults(); + init_display_notes(¬es_opt); git_config(git_format_config, NULL); repo_init_revisions(the_repository, &rev, prefix); + rev.show_notes = show_notes; + memcpy(&rev.notes_opt, ¬es_opt, sizeof(notes_opt)); rev.commit_format = CMIT_FMT_EMAIL; + rev.encode_email_headers = default_encode_email_headers; rev.expand_tabs_in_log_default = 0; rev.verbose_header = 1; rev.diff = 1; @@ -1645,9 +1866,17 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN | PARSE_OPT_KEEP_DASHDASH); - if (0 < reroll_count) { + /* Make sure "0000-$sub.patch" gives non-negative length for $sub */ + if (fmt_patch_name_max <= strlen("0000-") + strlen(fmt_patch_suffix)) + fmt_patch_name_max = strlen("0000-") + strlen(fmt_patch_suffix); + + if (cover_from_description_arg) + cover_from_description_mode = parse_cover_from_description(cover_from_description_arg); + + if (reroll_count) { struct strbuf sprefix = STRBUF_INIT; - strbuf_addf(&sprefix, "%s v%d", + + strbuf_addf(&sprefix, "%s v%s", rev.subject_prefix, reroll_count); rev.reroll_count = reroll_count; rev.subject_prefix = strbuf_detach(&sprefix, NULL); @@ -1726,26 +1955,49 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) rev.diffopt.output_format |= DIFF_FORMAT_PATCH; rev.zero_commit = zero_commit; + rev.patch_name_max = fmt_patch_name_max; if (!rev.diffopt.flags.text && !no_binary_diff) rev.diffopt.flags.binary = 1; if (rev.show_notes) - init_display_notes(&rev.notes_opt); + load_display_notes(&rev.notes_opt); - if (!output_directory && !use_stdout) - output_directory = config_output_directory; + if (use_stdout + rev.diffopt.close_file + !!output_directory > 1) + die(_("--stdout, --output, and --output-directory are mutually exclusive")); - if (!use_stdout) - output_directory = set_outdir(prefix, output_directory); - else + if (use_stdout) { setup_pager(); + } else if (rev.diffopt.close_file) { + /* + * The diff code parsed --output; it has already opened the + * file, but we must instruct it not to close after each diff. + */ + rev.diffopt.no_free = 1; + } else { + int saved; + + if (!output_directory) + output_directory = config_output_directory; + output_directory = set_outdir(prefix, output_directory); - if (output_directory) { if (rev.diffopt.use_color != GIT_COLOR_ALWAYS) rev.diffopt.use_color = GIT_COLOR_NEVER; - if (use_stdout) - die(_("standard output, or directory, which one?")); + /* + * We consider <outdir> as 'outside of gitdir', therefore avoid + * applying adjust_shared_perm in s-c-l-d. + */ + saved = get_shared_repository(); + set_shared_repository(0); + switch (safe_create_leading_directories_const(output_directory)) { + case SCLD_OK: + case SCLD_EXISTS: + break; + default: + die(_("could not create leading directories " + "of '%s'"), output_directory); + } + set_shared_repository(saved); if (mkdir(output_directory, 0777) < 0 && errno != EEXIST) die_errno(_("could not create directory '%s'"), output_directory); @@ -1874,8 +2126,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) } memset(&bases, 0, sizeof(bases)); - if (base_commit || base_auto) { - struct commit *base = get_base_commit(base_commit, list, nr); + base = get_base_commit(base_commit, list, nr); + if (base) { reset_revision_walk(); clear_object_flags(UNINTERESTING); prepare_bases(&bases, base, list, nr); @@ -1892,7 +2144,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) if (cover_letter) { if (thread) gen_message_id(&rev, "cover"); - make_cover_letter(&rev, use_stdout, + make_cover_letter(&rev, !!output_directory, origin, nr, list, branch_name, quiet); print_bases(&bases, rev.diffopt.file); print_signature(rev.diffopt.file); @@ -1947,7 +2199,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) gen_message_id(&rev, oid_to_hex(&commit->object.oid)); } - if (!use_stdout && + if (output_directory && open_next_file(rev.numbered_files ? NULL : commit, NULL, &rev, quiet)) die(_("failed to create output files")); shown = log_tree_commit(&rev, commit); @@ -1960,7 +2212,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) * the log; when using one file per patch, we do * not want the extra blank line. */ - if (!use_stdout) + if (output_directory) rev.shown_one = 0; if (shown) { print_bases(&bases, rev.diffopt.file); @@ -1971,7 +2223,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) else print_signature(rev.diffopt.file); } - if (!use_stdout) + if (output_directory) fclose(rev.diffopt.file); } stop_progress(&progress); diff --git a/builtin/ls-files.c b/builtin/ls-files.c index 670e8fb93c..29a26ad8ae 100644 --- a/builtin/ls-files.c +++ b/builtin/ls-files.c @@ -12,6 +12,7 @@ #include "dir.h" #include "builtin.h" #include "tree.h" +#include "cache-tree.h" #include "parse-options.h" #include "resolve-undo.h" #include "string-list.h" @@ -35,6 +36,7 @@ static int line_terminator = '\n'; static int debug_mode; static int show_eol; static int recurse_submodules; +static int skipping_duplicates; static const char *prefix; static int max_prefix_len; @@ -55,7 +57,7 @@ static const char *tag_modified = ""; static const char *tag_skip_worktree = ""; static const char *tag_resolve_undo = ""; -static void write_eolinfo(const struct index_state *istate, +static void write_eolinfo(struct index_state *istate, const struct cache_entry *ce, const char *path) { if (show_eol) { @@ -120,7 +122,7 @@ static void print_debug(const struct cache_entry *ce) } } -static void show_dir_entry(const struct index_state *istate, +static void show_dir_entry(struct index_state *istate, const char *tag, struct dir_entry *ent) { int len = max_prefix_len; @@ -128,15 +130,16 @@ static void show_dir_entry(const struct index_state *istate, if (len > ent->len) die("git ls-files: internal error - directory entry not superset of prefix"); - if (!dir_path_match(istate, ent, &pathspec, len, ps_matched)) - return; + /* If ps_matches is non-NULL, figure out which pathspec(s) match. */ + if (ps_matched) + dir_path_match(istate, ent, &pathspec, len, ps_matched); fputs(tag, stdout); write_eolinfo(istate, NULL, ent->name); write_name(ent->name); } -static void show_other_files(const struct index_state *istate, +static void show_other_files(struct index_state *istate, const struct dir_struct *dir) { int i; @@ -149,7 +152,7 @@ static void show_other_files(const struct index_state *istate, } } -static void show_killed_files(const struct index_state *istate, +static void show_killed_files(struct index_state *istate, const struct dir_struct *dir) { int i; @@ -207,7 +210,7 @@ static void show_submodule(struct repository *superproject, { struct repository subrepo; const struct submodule *sub = submodule_from_path(superproject, - &null_oid, path); + null_oid(), path); if (repo_submodule_init(&subrepo, superproject, sub)) return; @@ -251,7 +254,7 @@ static void show_ce(struct repository *repo, struct dir_struct *dir, } } -static void show_ru_info(const struct index_state *istate) +static void show_ru_info(struct index_state *istate) { struct string_list_item *item; @@ -311,45 +314,61 @@ static void show_files(struct repository *repo, struct dir_struct *dir) if (show_killed) show_killed_files(repo->index, dir); } - if (show_cached || show_stage) { - for (i = 0; i < repo->index->cache_nr; i++) { - const struct cache_entry *ce = repo->index->cache[i]; - construct_fullname(&fullname, repo, ce); + if (!(show_cached || show_stage || show_deleted || show_modified)) + return; + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(repo->index); + for (i = 0; i < repo->index->cache_nr; i++) { + const struct cache_entry *ce = repo->index->cache[i]; + struct stat st; + int stat_err; - if ((dir->flags & DIR_SHOW_IGNORED) && - !ce_excluded(dir, repo->index, fullname.buf, ce)) - continue; - if (show_unmerged && !ce_stage(ce)) - continue; - if (ce->ce_flags & CE_UPDATE) - continue; + construct_fullname(&fullname, repo, ce); + + if ((dir->flags & DIR_SHOW_IGNORED) && + !ce_excluded(dir, repo->index, fullname.buf, ce)) + continue; + if (ce->ce_flags & CE_UPDATE) + continue; + if ((show_cached || show_stage) && + (!show_unmerged || ce_stage(ce))) { show_ce(repo, dir, ce, fullname.buf, ce_stage(ce) ? tag_unmerged : (ce_skip_worktree(ce) ? tag_skip_worktree : tag_cached)); + if (skipping_duplicates) + goto skip_to_next_name; } - } - if (show_deleted || show_modified) { - for (i = 0; i < repo->index->cache_nr; i++) { - const struct cache_entry *ce = repo->index->cache[i]; - struct stat st; - int err; - construct_fullname(&fullname, repo, ce); - - if ((dir->flags & DIR_SHOW_IGNORED) && - !ce_excluded(dir, repo->index, fullname.buf, ce)) - continue; - if (ce->ce_flags & CE_UPDATE) - continue; - if (ce_skip_worktree(ce)) - continue; - err = lstat(fullname.buf, &st); - if (show_deleted && err) - show_ce(repo, dir, ce, fullname.buf, tag_removed); - if (show_modified && ie_modified(repo->index, ce, &st, 0)) - show_ce(repo, dir, ce, fullname.buf, tag_modified); + if (!(show_deleted || show_modified)) + continue; + if (ce_skip_worktree(ce)) + continue; + stat_err = lstat(fullname.buf, &st); + if (stat_err && (errno != ENOENT && errno != ENOTDIR)) + error_errno("cannot lstat '%s'", fullname.buf); + if (stat_err && show_deleted) { + show_ce(repo, dir, ce, fullname.buf, tag_removed); + if (skipping_duplicates) + goto skip_to_next_name; + } + if (show_modified && + (stat_err || ie_modified(repo->index, ce, &st, 0))) { + show_ce(repo, dir, ce, fullname.buf, tag_modified); + if (skipping_duplicates) + goto skip_to_next_name; + } + continue; + +skip_to_next_name: + { + int j; + struct cache_entry **cache = repo->index->cache; + for (j = i + 1; j < repo->index->cache_nr; j++) + if (strcmp(ce->name, cache[j]->name)) + break; + i = j - 1; /* compensate for the for loop */ } } @@ -404,6 +423,53 @@ static int get_common_prefix_len(const char *common_prefix) return common_prefix_len; } +static int read_one_entry_opt(struct index_state *istate, + const struct object_id *oid, + struct strbuf *base, + const char *pathname, + unsigned mode, int opt) +{ + int len; + struct cache_entry *ce; + + if (S_ISDIR(mode)) + return READ_TREE_RECURSIVE; + + len = strlen(pathname); + ce = make_empty_cache_entry(istate, base->len + len); + + ce->ce_mode = create_ce_mode(mode); + ce->ce_flags = create_ce_flags(1); + ce->ce_namelen = base->len + len; + memcpy(ce->name, base->buf, base->len); + memcpy(ce->name + base->len, pathname, len+1); + oidcpy(&ce->oid, oid); + return add_index_entry(istate, ce, opt); +} + +static int read_one_entry(const struct object_id *oid, struct strbuf *base, + const char *pathname, unsigned mode, + void *context) +{ + struct index_state *istate = context; + return read_one_entry_opt(istate, oid, base, pathname, + mode, + ADD_CACHE_OK_TO_ADD|ADD_CACHE_SKIP_DFCHECK); +} + +/* + * This is used when the caller knows there is no existing entries at + * the stage that will conflict with the entry being added. + */ +static int read_one_entry_quick(const struct object_id *oid, struct strbuf *base, + const char *pathname, unsigned mode, + void *context) +{ + struct index_state *istate = context; + return read_one_entry_opt(istate, oid, base, pathname, + mode, ADD_CACHE_JUST_APPEND); +} + /* * Read the tree specified with --with-tree option * (typically, HEAD) into stage #1 and then @@ -420,6 +486,8 @@ void overlay_tree_on_index(struct index_state *istate, struct pathspec pathspec; struct cache_entry *last_stage0 = NULL; int i; + read_tree_fn_t fn = NULL; + int err; if (get_oid(tree_name, &oid)) die("tree-ish %s not found.", tree_name); @@ -428,6 +496,8 @@ void overlay_tree_on_index(struct index_state *istate, die("bad tree-ish %s", tree_name); /* Hoist the unmerged entries up to stage #3 to make room */ + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(istate); for (i = 0; i < istate->cache_nr; i++) { struct cache_entry *ce = istate->cache[i]; if (!ce_stage(ce)) @@ -442,9 +512,32 @@ void overlay_tree_on_index(struct index_state *istate, PATHSPEC_PREFER_CWD, prefix, matchbuf); } else memset(&pathspec, 0, sizeof(pathspec)); - if (read_tree(the_repository, tree, 1, &pathspec, istate)) + + /* + * See if we have cache entry at the stage. If so, + * do it the original slow way, otherwise, append and then + * sort at the end. + */ + for (i = 0; !fn && i < istate->cache_nr; i++) { + const struct cache_entry *ce = istate->cache[i]; + if (ce_stage(ce) == 1) + fn = read_one_entry; + } + + if (!fn) + fn = read_one_entry_quick; + err = read_tree(the_repository, tree, &pathspec, fn, istate); + if (err) die("unable to read tree entries %s", tree_name); + /* + * Sort the cache entry -- we need to nuke the cache tree, though. + */ + if (fn == read_one_entry_quick) { + cache_tree_free(&istate->cache_tree); + QSORT(istate->cache, istate->cache_nr, cmp_cache_name_compare); + } + for (i = 0; i < istate->cache_nr; i++) { struct cache_entry *ce = istate->cache[i]; switch (ce_stage(ce)) { @@ -492,7 +585,7 @@ static int option_parse_exclude_from(const struct option *opt, BUG_ON_OPT_NEG(unset); exc_given = 1; - add_excludes_from_file(dir, arg); + add_patterns_from_file(dir, arg); return 0; } @@ -514,9 +607,9 @@ static int option_parse_exclude_standard(const struct option *opt, int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) { int require_work_tree = 0, show_tag = 0, i; - const char *max_prefix; - struct dir_struct dir; - struct exclude_list *el; + char *max_prefix; + struct dir_struct dir = DIR_INIT; + struct pattern_list *pl; struct string_list exclude_list = STRING_LIST_INIT_NODUP; struct option builtin_ls_files_options[] = { /* Think twice before adding "--nul" synonym to this */ @@ -554,18 +647,18 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) N_("show unmerged files in the output")), OPT_BOOL(0, "resolve-undo", &show_resolve_undo, N_("show resolve-undo information")), - { OPTION_CALLBACK, 'x', "exclude", &exclude_list, N_("pattern"), + OPT_CALLBACK_F('x', "exclude", &exclude_list, N_("pattern"), N_("skip files matching pattern"), - PARSE_OPT_NONEG, option_parse_exclude }, - { OPTION_CALLBACK, 'X', "exclude-from", &dir, N_("file"), + PARSE_OPT_NONEG, option_parse_exclude), + OPT_CALLBACK_F('X', "exclude-from", &dir, N_("file"), N_("exclude patterns are read from <file>"), - PARSE_OPT_NONEG, option_parse_exclude_from }, + PARSE_OPT_NONEG, option_parse_exclude_from), OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, N_("file"), N_("read additional per-directory exclude patterns in <file>")), - { OPTION_CALLBACK, 0, "exclude-standard", &dir, NULL, + OPT_CALLBACK_F(0, "exclude-standard", &dir, NULL, N_("add the standard git exclusions"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, - option_parse_exclude_standard }, + option_parse_exclude_standard), OPT_SET_INT_F(0, "full-name", &prefix_len, N_("make the output relative to the project top directory"), 0, PARSE_OPT_NONEG), @@ -577,13 +670,14 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) N_("pretend that paths removed since <tree-ish> are still present")), OPT__ABBREV(&abbrev), OPT_BOOL(0, "debug", &debug_mode, N_("show debugging data")), + OPT_BOOL(0, "deduplicate", &skipping_duplicates, + N_("suppress duplicate entries")), OPT_END() }; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(ls_files_usage, builtin_ls_files_options); - memset(&dir, 0, sizeof(dir)); prefix = cmd_prefix; if (prefix) prefix_len = strlen(prefix); @@ -594,9 +688,9 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) argc = parse_options(argc, argv, prefix, builtin_ls_files_options, ls_files_usage, 0); - el = add_exclude_list(&dir, EXC_CMDL, "--exclude option"); + pl = add_pattern_list(&dir, EXC_CMDL, "--exclude option"); for (i = 0; i < exclude_list.nr; i++) { - add_exclude(exclude_list.items[i].string, "", 0, el, --exclude_args); + add_pattern(exclude_list.items[i].string, "", 0, pl, --exclude_args); } if (show_tag || show_valid_bit || show_fsmonitor_bit) { tag_cached = "H "; @@ -616,6 +710,8 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) * you also show the stage information. */ show_stage = 1; + if (show_tag || show_stage) + skipping_duplicates = 0; if (dir.exclude_per_dir) exc_given = 1; @@ -655,6 +751,9 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) if (pathspec.nr && error_unmatch) ps_matched = xcalloc(pathspec.nr, 1); + if ((dir.flags & DIR_SHOW_IGNORED) && !show_others && !show_cached) + die("ls-files -i must be used with either -o or -c"); + if ((dir.flags & DIR_SHOW_IGNORED) && !exc_given) die("ls-files --ignored needs some exclude pattern"); @@ -687,6 +786,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) return bad ? 1 : 0; } - UNLEAK(dir); + dir_clear(&dir); + free(max_prefix); return 0; } diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c index 6ef519514b..1794548c71 100644 --- a/builtin/ls-remote.c +++ b/builtin/ls-remote.c @@ -45,7 +45,8 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix) int show_symref_target = 0; const char *uploadpack = NULL; const char **pattern = NULL; - struct argv_array ref_prefixes = ARGV_ARRAY_INIT; + struct transport_ls_refs_options transport_options = + TRANSPORT_LS_REFS_OPTIONS_INIT; int i; struct string_list server_options = STRING_LIST_INIT_DUP; @@ -83,18 +84,20 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix) PARSE_OPT_STOP_AT_NON_OPTION); dest = argv[0]; + UNLEAK(sorting); + if (argc > 1) { int i; - pattern = xcalloc(argc, sizeof(const char *)); + CALLOC_ARRAY(pattern, argc); for (i = 1; i < argc; i++) { pattern[i - 1] = xstrfmt("*/%s", argv[i]); } } if (flags & REF_TAGS) - argv_array_push(&ref_prefixes, "refs/tags/"); + strvec_push(&transport_options.ref_prefixes, "refs/tags/"); if (flags & REF_HEADS) - argv_array_push(&ref_prefixes, "refs/heads/"); + strvec_push(&transport_options.ref_prefixes, "refs/heads/"); remote = remote_get(dest); if (!remote) { @@ -107,7 +110,6 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix) if (get_url) { printf("%s\n", *remote->url); - UNLEAK(sorting); return 0; } @@ -117,10 +119,10 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix) if (server_options.nr) transport->server_options = &server_options; - ref = transport_get_remote_refs(transport, &ref_prefixes); - if (transport_disconnect(transport)) { - UNLEAK(sorting); - return 1; + ref = transport_get_remote_refs(transport, &transport_options); + if (ref) { + int hash_algo = hash_algo_by_ptr(transport_get_hash_algo(transport)); + repo_set_hash_algo(the_repository, hash_algo); } if (!dest && !quiet) @@ -146,7 +148,8 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix) status = 0; /* we found something */ } - UNLEAK(sorting); ref_array_clear(&ref_array); + if (transport_disconnect(transport)) + return 1; return status; } diff --git a/builtin/ls-tree.c b/builtin/ls-tree.c index 7cad3f24eb..3a442631c7 100644 --- a/builtin/ls-tree.c +++ b/builtin/ls-tree.c @@ -62,7 +62,7 @@ static int show_recursive(const char *base, int baselen, const char *pathname) } static int show_tree(const struct object_id *oid, struct strbuf *base, - const char *pathname, unsigned mode, int stage, void *context) + const char *pathname, unsigned mode, void *context) { int retval = 0; int baselen; @@ -185,6 +185,6 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix) tree = parse_tree_indirect(&oid); if (!tree) die("not a tree object"); - return !!read_tree_recursive(the_repository, tree, "", 0, 0, - &pathspec, show_tree, NULL); + return !!read_tree(the_repository, tree, + &pathspec, show_tree, NULL); } diff --git a/builtin/mailinfo.c b/builtin/mailinfo.c index cfb667a594..01d16ef9e5 100644 --- a/builtin/mailinfo.c +++ b/builtin/mailinfo.c @@ -7,54 +7,103 @@ #include "utf8.h" #include "strbuf.h" #include "mailinfo.h" +#include "parse-options.h" -static const char mailinfo_usage[] = - "git mailinfo [-k | -b] [-m | --message-id] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] <msg> <patch> < mail >info"; +static const char * const mailinfo_usage[] = { + /* TRANSLATORS: keep <> in "<" mail ">" info. */ + N_("git mailinfo [<options>] <msg> <patch> < mail >info"), + NULL, +}; + +struct metainfo_charset +{ + enum { + CHARSET_DEFAULT, + CHARSET_NO_REENCODE, + CHARSET_EXPLICIT, + } policy; + const char *charset; +}; + +static int parse_opt_explicit_encoding(const struct option *opt, + const char *arg, int unset) +{ + struct metainfo_charset *meta_charset = opt->value; + + BUG_ON_OPT_NEG(unset); + + meta_charset->policy = CHARSET_EXPLICIT; + meta_charset->charset = arg; + + return 0; +} + +static int parse_opt_quoted_cr(const struct option *opt, const char *arg, int unset) +{ + BUG_ON_OPT_NEG(unset); + + if (mailinfo_parse_quoted_cr_action(arg, opt->value) != 0) + return error(_("bad action '%s' for '%s'"), arg, "--quoted-cr"); + return 0; +} int cmd_mailinfo(int argc, const char **argv, const char *prefix) { - const char *def_charset; + struct metainfo_charset meta_charset; struct mailinfo mi; int status; char *msgfile, *patchfile; + struct option options[] = { + OPT_BOOL('k', NULL, &mi.keep_subject, N_("keep subject")), + OPT_BOOL('b', NULL, &mi.keep_non_patch_brackets_in_subject, + N_("keep non patch brackets in subject")), + OPT_BOOL('m', "message-id", &mi.add_message_id, + N_("copy Message-ID to the end of commit message")), + OPT_SET_INT_F('u', NULL, &meta_charset.policy, + N_("re-code metadata to i18n.commitEncoding"), + CHARSET_DEFAULT, PARSE_OPT_NONEG), + OPT_SET_INT_F('n', NULL, &meta_charset.policy, + N_("disable charset re-coding of metadata"), + CHARSET_NO_REENCODE, PARSE_OPT_NONEG), + OPT_CALLBACK_F(0, "encoding", &meta_charset, N_("encoding"), + N_("re-code metadata to this encoding"), + PARSE_OPT_NONEG, parse_opt_explicit_encoding), + OPT_BOOL(0, "scissors", &mi.use_scissors, N_("use scissors")), + OPT_CALLBACK_F(0, "quoted-cr", &mi.quoted_cr, N_("<action>"), + N_("action when quoted CR is found"), + PARSE_OPT_NONEG, parse_opt_quoted_cr), + OPT_HIDDEN_BOOL(0, "inbody-headers", &mi.use_inbody_headers, + N_("use headers in message's body")), + OPT_END() + }; + setup_mailinfo(&mi); + meta_charset.policy = CHARSET_DEFAULT; - def_charset = get_commit_output_encoding(); - mi.metainfo_charset = def_charset; - - while (1 < argc && argv[1][0] == '-') { - if (!strcmp(argv[1], "-k")) - mi.keep_subject = 1; - else if (!strcmp(argv[1], "-b")) - mi.keep_non_patch_brackets_in_subject = 1; - else if (!strcmp(argv[1], "-m") || !strcmp(argv[1], "--message-id")) - mi.add_message_id = 1; - else if (!strcmp(argv[1], "-u")) - mi.metainfo_charset = def_charset; - else if (!strcmp(argv[1], "-n")) - mi.metainfo_charset = NULL; - else if (starts_with(argv[1], "--encoding=")) - mi.metainfo_charset = argv[1] + 11; - else if (!strcmp(argv[1], "--scissors")) - mi.use_scissors = 1; - else if (!strcmp(argv[1], "--no-scissors")) - mi.use_scissors = 0; - else if (!strcmp(argv[1], "--no-inbody-headers")) - mi.use_inbody_headers = 0; - else - usage(mailinfo_usage); - argc--; argv++; - } + argc = parse_options(argc, argv, prefix, options, mailinfo_usage, 0); - if (argc != 3) - usage(mailinfo_usage); + if (argc != 2) + usage_with_options(mailinfo_usage, options); + + switch (meta_charset.policy) { + case CHARSET_DEFAULT: + mi.metainfo_charset = get_commit_output_encoding(); + break; + case CHARSET_NO_REENCODE: + mi.metainfo_charset = NULL; + break; + case CHARSET_EXPLICIT: + break; + default: + BUG("invalid meta_charset.policy"); + } mi.input = stdin; mi.output = stdout; - msgfile = prefix_filename(prefix, argv[1]); - patchfile = prefix_filename(prefix, argv[2]); + msgfile = prefix_filename(prefix, argv[0]); + patchfile = prefix_filename(prefix, argv[1]); status = !!mailinfo(&mi, msgfile, patchfile); clear_mailinfo(&mi); diff --git a/builtin/merge-base.c b/builtin/merge-base.c index e3f8da13b6..6719ac198d 100644 --- a/builtin/merge-base.c +++ b/builtin/merge-base.c @@ -114,26 +114,16 @@ static int handle_is_ancestor(int argc, const char **argv) static int handle_fork_point(int argc, const char **argv) { struct object_id oid; - char *refname; struct commit *derived, *fork_point; const char *commitname; - switch (dwim_ref(argv[0], strlen(argv[0]), &oid, &refname)) { - case 0: - die("No such ref: '%s'", argv[0]); - case 1: - break; /* good */ - default: - die("Ambiguous refname: '%s'", argv[0]); - } - commitname = (argc == 2) ? argv[1] : "HEAD"; if (get_oid(commitname, &oid)) die("Not a valid object name: '%s'", commitname); derived = lookup_commit_reference(the_repository, &oid); - fork_point = get_fork_point(refname, derived); + fork_point = get_fork_point(argv[0], derived); if (!fork_point) return 1; diff --git a/builtin/merge-index.c b/builtin/merge-index.c index 38ea6ad6ca..c0383fe9df 100644 --- a/builtin/merge-index.c +++ b/builtin/merge-index.c @@ -58,6 +58,8 @@ static void merge_one_path(const char *path) static void merge_all(void) { int i; + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(&the_index); for (i = 0; i < active_nr; i++) { const struct cache_entry *ce = active_cache[i]; if (!ce_stage(ce)) @@ -80,6 +82,9 @@ int cmd_merge_index(int argc, const char **argv, const char *prefix) read_cache(); + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(&the_index); + i = 1; if (!strcmp(argv[i], "-o")) { one_shot = 1; diff --git a/builtin/merge-ours.c b/builtin/merge-ours.c index 4594507420..3583cff71c 100644 --- a/builtin/merge-ours.c +++ b/builtin/merge-ours.c @@ -28,6 +28,6 @@ int cmd_merge_ours(int argc, const char **argv, const char *prefix) if (read_cache() < 0) die_errno("read_cache failed"); if (index_differs_from(the_repository, "HEAD", NULL, 0)) - exit(2); - exit(0); + return 2; + return 0; } diff --git a/builtin/merge-recursive.c b/builtin/merge-recursive.c index 5b910e351e..a4bfd8fc51 100644 --- a/builtin/merge-recursive.c +++ b/builtin/merge-recursive.c @@ -1,3 +1,4 @@ +#include "cache.h" #include "builtin.h" #include "commit.h" #include "tag.h" @@ -63,6 +64,9 @@ int cmd_merge_recursive(int argc, const char **argv, const char *prefix) if (argc - i != 3) /* "--" "<head>" "<remote>" */ die(_("not handling anything other than two heads merge.")); + if (repo_read_index_unmerged(the_repository)) + die_resolve_conflict("merge"); + o.branch1 = argv[++i]; o.branch2 = argv[++i]; diff --git a/builtin/merge-tree.c b/builtin/merge-tree.c index 34ca0258b1..5dc94d6f88 100644 --- a/builtin/merge-tree.c +++ b/builtin/merge-tree.c @@ -107,14 +107,12 @@ static void show_diff(struct merge_list *entry) mmfile_t src, dst; xpparam_t xpp; xdemitconf_t xecfg; - xdemitcb_t ecb; + xdemitcb_t ecb = { .out_line = show_outf }; + memset(&xpp, 0, sizeof(xpp)); xpp.flags = 0; memset(&xecfg, 0, sizeof(xecfg)); xecfg.ctxlen = 3; - ecb.out_hunk = NULL; - ecb.out_line = show_outf; - ecb.priv = NULL; src.ptr = origin(entry, &size); if (!src.ptr) @@ -180,8 +178,9 @@ static struct merge_list *create_entry(unsigned stage, unsigned mode, const stru static char *traverse_path(const struct traverse_info *info, const struct name_entry *n) { - char *path = xmallocz(traverse_path_len(info, n) + the_hash_algo->rawsz); - return make_traverse_path(path, info, n); + struct strbuf buf = STRBUF_INIT; + strbuf_make_traverse_path(&buf, info, n->path, n->pathlen); + return strbuf_detach(&buf, NULL); } static void resolve(const struct traverse_info *info, struct name_entry *ours, struct name_entry *result) @@ -205,6 +204,7 @@ static void resolve(const struct traverse_info *info, struct name_entry *ours, s static void unresolved_directory(const struct traverse_info *info, struct name_entry n[3]) { + struct repository *r = the_repository; char *newbase; struct name_entry *p; struct tree_desc t[3]; @@ -220,9 +220,9 @@ static void unresolved_directory(const struct traverse_info *info, newbase = traverse_path(info, p); #define ENTRY_OID(e) (((e)->mode && S_ISDIR((e)->mode)) ? &(e)->oid : NULL) - buf0 = fill_tree_descriptor(t + 0, ENTRY_OID(n + 0)); - buf1 = fill_tree_descriptor(t + 1, ENTRY_OID(n + 1)); - buf2 = fill_tree_descriptor(t + 2, ENTRY_OID(n + 2)); + buf0 = fill_tree_descriptor(r, t + 0, ENTRY_OID(n + 0)); + buf1 = fill_tree_descriptor(r, t + 1, ENTRY_OID(n + 1)); + buf2 = fill_tree_descriptor(r, t + 2, ENTRY_OID(n + 2)); #undef ENTRY_OID merge_trees(t, newbase); @@ -351,14 +351,16 @@ static void merge_trees(struct tree_desc t[3], const char *base) traverse_trees(&the_index, 3, t, &info); } -static void *get_tree_descriptor(struct tree_desc *desc, const char *rev) +static void *get_tree_descriptor(struct repository *r, + struct tree_desc *desc, + const char *rev) { struct object_id oid; void *buf; - if (get_oid(rev, &oid)) + if (repo_get_oid(r, rev, &oid)) die("unknown rev %s", rev); - buf = fill_tree_descriptor(desc, &oid); + buf = fill_tree_descriptor(r, desc, &oid); if (!buf) die("%s is not a tree", rev); return buf; @@ -366,15 +368,16 @@ static void *get_tree_descriptor(struct tree_desc *desc, const char *rev) int cmd_merge_tree(int argc, const char **argv, const char *prefix) { + struct repository *r = the_repository; struct tree_desc t[3]; void *buf1, *buf2, *buf3; if (argc != 4) usage(merge_tree_usage); - buf1 = get_tree_descriptor(t+0, argv[1]); - buf2 = get_tree_descriptor(t+1, argv[2]); - buf3 = get_tree_descriptor(t+2, argv[3]); + buf1 = get_tree_descriptor(r, t+0, argv[1]); + buf2 = get_tree_descriptor(r, t+1, argv[2]); + buf3 = get_tree_descriptor(r, t+2, argv[3]); merge_trees(t, ""); free(buf1); free(buf2); diff --git a/builtin/merge.c b/builtin/merge.c index 29988e54c5..febb0c99c9 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -14,6 +14,7 @@ #include "lockfile.h" #include "run-command.h" #include "diff.h" +#include "diff-merges.h" #include "refs.h" #include "refspec.h" #include "commit.h" @@ -28,6 +29,7 @@ #include "rerere.h" #include "help.h" #include "merge-recursive.h" +#include "merge-ort-wrappers.h" #include "resolve-undo.h" #include "remote.h" #include "fmt-merge-msg.h" @@ -37,8 +39,10 @@ #include "packfile.h" #include "tag.h" #include "alias.h" +#include "branch.h" #include "commit-reach.h" #include "wt-status.h" +#include "commit-graph.h" #define DEFAULT_TWOHEAD (1<<0) #define DEFAULT_OCTOPUS (1<<1) @@ -52,8 +56,8 @@ struct strategy { static const char * const builtin_merge_usage[] = { N_("git merge [<options>] [<commit>...]"), - N_("git merge --abort"), - N_("git merge --continue"), + "git merge --abort", + "git merge --continue", NULL }; @@ -61,6 +65,7 @@ static int show_diffstat = 1, shortlog_len = -1, squash; static int option_commit = -1; static int option_edit = -1; static int allow_trivial = 1, have_message, verify_signatures; +static int check_trust_level = 1; static int overwrite_ignore = 1; static struct strbuf merge_msg = STRBUF_INIT; static struct strategy **use_strategies; @@ -69,21 +74,23 @@ static const char **xopts; static size_t xopts_nr, xopts_alloc; static const char *branch; static char *branch_mergeoptions; -static int option_renormalize; static int verbosity; static int allow_rerere_auto; static int abort_current_merge; +static int quit_current_merge; static int continue_current_merge; static int allow_unrelated_histories; static int show_progress = -1; static int default_to_upstream = 1; static int signoff; static const char *sign_commit; -static int verify_msg = 1; +static int autostash; +static int no_verify; static struct strategy all_strategy[] = { - { "recursive", DEFAULT_TWOHEAD | NO_TRIVIAL }, + { "recursive", NO_TRIVIAL }, { "octopus", DEFAULT_OCTOPUS }, + { "ort", DEFAULT_TWOHEAD | NO_TRIVIAL }, { "resolve", 0 }, { "ours", NO_FAST_FORWARD | NO_TRIVIAL }, { "subtree", NO_FAST_FORWARD | NO_TRIVIAL }, @@ -155,10 +162,17 @@ static struct strategy *get_strategy(const char *name) struct strategy *ret; static struct cmdnames main_cmds, other_cmds; static int loaded; + char *default_strategy = getenv("GIT_TEST_MERGE_ALGORITHM"); if (!name) return NULL; + if (default_strategy && + !strcmp(default_strategy, "ort") && + !strcmp(name, "recursive")) { + name = "ort"; + } + for (i = 0; i < ARRAY_SIZE(all_strategy); i++) if (!strcmp(name, all_strategy[i].name)) return &all_strategy[i]; @@ -196,7 +210,7 @@ static struct strategy *get_strategy(const char *name) exit(1); } - ret = xcalloc(1, sizeof(struct strategy)); + CALLOC_ARRAY(ret, 1); ret->name = xstrdup(name); ret->attr = NO_TRIVIAL; return ret; @@ -238,9 +252,9 @@ static int option_parse_n(const struct option *opt, } static struct option builtin_merge_options[] = { - { OPTION_CALLBACK, 'n', NULL, NULL, NULL, + OPT_CALLBACK_F('n', NULL, NULL, NULL, N_("do not show a diffstat at the end of the merge"), - PARSE_OPT_NOARG, option_parse_n }, + PARSE_OPT_NOARG, option_parse_n), OPT_BOOL(0, "stat", &show_diffstat, N_("show a diffstat at the end of the merge")), OPT_BOOL(0, "summary", &show_diffstat, N_("(synonym to --stat)")), @@ -274,6 +288,8 @@ static struct option builtin_merge_options[] = { OPT__VERBOSITY(&verbosity), OPT_BOOL(0, "abort", &abort_current_merge, N_("abort the current in-progress merge")), + OPT_BOOL(0, "quit", &quit_current_merge, + N_("--abort but leave index and working tree alone")), OPT_BOOL(0, "continue", &continue_current_merge, N_("continue the current in-progress merge")), OPT_BOOL(0, "allow-unrelated-histories", &allow_unrelated_histories, @@ -281,20 +297,13 @@ static struct option builtin_merge_options[] = { OPT_SET_INT(0, "progress", &show_progress, N_("force progress reporting"), 1), { OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"), N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, + OPT_AUTOSTASH(&autostash), OPT_BOOL(0, "overwrite-ignore", &overwrite_ignore, N_("update ignored files (default)")), - OPT_BOOL(0, "signoff", &signoff, N_("add Signed-off-by:")), - OPT_BOOL(0, "verify", &verify_msg, N_("verify commit-msg hook")), + OPT_BOOL(0, "signoff", &signoff, N_("add a Signed-off-by trailer")), + OPT_BOOL(0, "no-verify", &no_verify, N_("bypass pre-merge-commit and commit-msg hooks")), OPT_END() }; -/* Cleans up metadata that is uninteresting after a succeeded merge. */ -static void drop_save(void) -{ - unlink(git_path_merge_head(the_repository)); - unlink(git_path_merge_msg(the_repository)); - unlink(git_path_merge_mode(the_repository)); -} - static int save_state(struct object_id *stash) { int len; @@ -384,11 +393,15 @@ static void restore_state(const struct object_id *head, } /* This is called when no merge was necessary. */ -static void finish_up_to_date(const char *msg) +static void finish_up_to_date(void) { - if (verbosity >= 0) - printf("%s%s\n", squash ? _(" (nothing to squash)") : "", msg); - drop_save(); + if (verbosity >= 0) { + if (squash) + puts(_("Already up to date. (nothing to squash)")); + else + puts(_("Already up to date.")); + } + remove_merge_branch_state(the_repository); } static void squash_message(struct commit *commit, struct commit_list *remoteheads) @@ -401,7 +414,7 @@ static void squash_message(struct commit *commit, struct commit_list *remotehead printf(_("Squash commit -- not updating HEAD\n")); repo_init_revisions(the_repository, &rev, NULL); - rev.ignore_merges = 1; + diff_merges_suppress(&rev); rev.commit_format = CMIT_FMT_MEDIUM; commit->object.flags |= UNINTERESTING; @@ -450,7 +463,6 @@ static void finish(struct commit *head_commit, if (verbosity >= 0 && !merge_msg.len) printf(_("No merge message -- not updating HEAD\n")); else { - const char *argv_gc_auto[] = { "gc", "--auto", NULL }; update_ref(reflog_message.buf, "HEAD", new_head, head, 0, UPDATE_REFS_DIE_ON_ERR); /* @@ -458,7 +470,7 @@ static void finish(struct commit *head_commit, * user should see them. */ close_object_store(the_repository->objects); - run_command_v_opt(argv_gc_auto, RUN_GIT_CMD); + run_auto_maintenance(verbosity < 0); } } if (new_head && show_diffstat) { @@ -478,6 +490,7 @@ static void finish(struct commit *head_commit, /* Run a post-merge hook */ run_hook_le(NULL, "post-merge", squash ? "1" : "0", NULL); + apply_autostash(git_path_merge_autostash(the_repository)); strbuf_release(&reflog_message); } @@ -490,7 +503,7 @@ static void merge_name(const char *remote, struct strbuf *msg) struct strbuf bname = STRBUF_INIT; struct merge_remote_desc *desc; const char *ptr; - char *found_ref; + char *found_ref = NULL; int len, early; strbuf_branchname(&bname, remote, 0); @@ -501,7 +514,7 @@ static void merge_name(const char *remote, struct strbuf *msg) if (!remote_head) die(_("'%s' does not point to a commit"), remote); - if (dwim_ref(remote, strlen(remote), &branch_head, &found_ref) > 0) { + if (dwim_ref(remote, strlen(remote), &branch_head, &found_ref, 0) > 0) { if (starts_with(found_ref, "refs/heads/")) { strbuf_addf(msg, "%s\t\tbranch '%s' of .\n", oid_to_hex(&branch_head), remote); @@ -573,6 +586,7 @@ static void merge_name(const char *remote, struct strbuf *msg) strbuf_addf(msg, "%s\t\tcommit '%s'\n", oid_to_hex(&remote_head->object.oid), remote); cleanup: + free(found_ref); strbuf_release(&buf); strbuf_release(&bname); } @@ -600,10 +614,12 @@ static void parse_branch_merge_options(char *bmo) static int git_merge_config(const char *k, const char *v, void *cb) { int status; + const char *str; - if (branch && starts_with(k, "branch.") && - starts_with(k + 7, branch) && - !strcmp(k + 7 + strlen(branch), ".mergeoptions")) { + if (branch && + skip_prefix(k, "branch.", &str) && + skip_prefix(str, branch, &str) && + !strcmp(str, ".mergeoptions")) { free(branch_mergeoptions); branch_mergeoptions = xstrdup(v); return 0; @@ -619,8 +635,6 @@ static int git_merge_config(const char *k, const char *v, void *cb) return git_config_string(&pull_octopus, k, v); else if (!strcmp(k, "commit.cleanup")) return git_config_string(&cleanup_arg, k, v); - else if (!strcmp(k, "merge.renormalize")) - option_renormalize = git_config_bool(k, v); else if (!strcmp(k, "merge.ff")) { int boolval = git_parse_maybe_bool(v); if (0 <= boolval) { @@ -635,6 +649,11 @@ static int git_merge_config(const char *k, const char *v, void *cb) } else if (!strcmp(k, "commit.gpgsign")) { sign_commit = git_config_bool(k, v) ? "" : NULL; return 0; + } else if (!strcmp(k, "gpg.mintrustlevel")) { + check_trust_level = 0; + } else if (!strcmp(k, "merge.autostash")) { + autostash = git_config_bool(k, v); + return 0; } status = fmt_merge_msg_config(k, v, cb); @@ -692,16 +711,14 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, struct commit_list *remoteheads, struct commit *head) { - struct lock_file lock = LOCK_INIT; const char *head_arg = "HEAD"; - hold_locked_index(&lock, LOCK_DIE_ON_ERROR); - refresh_cache(REFRESH_QUIET); - if (write_locked_index(&the_index, &lock, - COMMIT_LOCK | SKIP_IF_UNCHANGED)) + if (refresh_and_write_cache(REFRESH_QUIET, SKIP_IF_UNCHANGED, 0) < 0) return error(_("Unable to write index.")); - if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree")) { + if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree") || + !strcmp(strategy, "ort")) { + struct lock_file lock = LOCK_INIT; int clean, x; struct commit *result; struct commit_list *reversed = NULL; @@ -717,13 +734,12 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, if (!strcmp(strategy, "subtree")) o.subtree_shift = ""; - o.renormalize = option_renormalize; o.show_rename_progress = show_progress == -1 ? isatty(2) : show_progress; for (x = 0; x < xopts_nr; x++) if (parse_merge_opt(&o, xopts[x])) - die(_("Unknown option for merge-recursive: -X%s"), xopts[x]); + die(_("unknown strategy option: -X%s"), xopts[x]); o.branch1 = head_arg; o.branch2 = merge_remote_util(remoteheads->item)->name; @@ -732,8 +748,12 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, commit_list_insert(j->item, &reversed); hold_locked_index(&lock, LOCK_DIE_ON_ERROR); - clean = merge_recursive(&o, head, - remoteheads->item, reversed, &result); + if (!strcmp(strategy, "ort")) + clean = merge_ort_recursive(&o, head, remoteheads->item, + reversed, &result); + else + clean = merge_recursive(&o, head, remoteheads->item, + reversed, &result); if (clean < 0) exit(128); if (write_locked_index(&the_index, &lock, @@ -820,6 +840,18 @@ static void write_merge_heads(struct commit_list *); static void prepare_to_commit(struct commit_list *remoteheads) { struct strbuf msg = STRBUF_INIT; + const char *index_file = get_index_file(); + + if (!no_verify && run_commit_hook(0 < option_edit, index_file, "pre-merge-commit", NULL)) + abort_commit(remoteheads, NULL); + /* + * Re-read the index as pre-merge-commit hook could have updated it, + * and write it out as a tree. We must do this before we invoke + * the editor and after we invoke run_status above. + */ + if (find_hook("pre-merge-commit")) + discard_cache(); + read_cache_from(index_file); strbuf_addbuf(&msg, &merge_msg); if (squash) BUG("the control must not reach here under --squash"); @@ -830,9 +862,11 @@ static void prepare_to_commit(struct commit_list *remoteheads) strbuf_commented_addf(&msg, "\n"); } strbuf_commented_addf(&msg, _(merge_editor_comment)); - strbuf_commented_addf(&msg, _(cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS ? - scissors_editor_comment : - no_scissors_editor_comment), comment_line_char); + if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) + strbuf_commented_addf(&msg, _(scissors_editor_comment)); + else + strbuf_commented_addf(&msg, + _(no_scissors_editor_comment), comment_line_char); } if (signoff) append_signoff(&msg, ignore_non_trailer(msg.buf, msg.len), 0); @@ -846,7 +880,7 @@ static void prepare_to_commit(struct commit_list *remoteheads) abort_commit(remoteheads, NULL); } - if (verify_msg && run_commit_hook(0 < option_edit, get_index_file(), + if (!no_verify && run_commit_hook(0 < option_edit, get_index_file(), "commit-msg", git_path_merge_msg(the_repository), NULL)) abort_commit(remoteheads, NULL); @@ -864,12 +898,8 @@ static int merge_trivial(struct commit *head, struct commit_list *remoteheads) { struct object_id result_tree, result_commit; struct commit_list *parents, **pptr = &parents; - struct lock_file lock = LOCK_INIT; - hold_locked_index(&lock, LOCK_DIE_ON_ERROR); - refresh_cache(REFRESH_QUIET); - if (write_locked_index(&the_index, &lock, - COMMIT_LOCK | SKIP_IF_UNCHANGED)) + if (refresh_and_write_cache(REFRESH_QUIET, SKIP_IF_UNCHANGED, 0) < 0) return error(_("Unable to write index.")); write_tree_trivial(&result_tree); @@ -881,7 +911,7 @@ static int merge_trivial(struct commit *head, struct commit_list *remoteheads) &result_commit, NULL, sign_commit)) die(_("failed to write commit object")); finish(head, remoteheads, &result_commit, "In-index merge"); - drop_save(); + remove_merge_branch_state(the_repository); return 0; } @@ -896,6 +926,7 @@ static int finish_automerge(struct commit *head, struct strbuf buf = STRBUF_INIT; struct object_id result_commit; + write_tree_trivial(result_tree); free_commit_list(common); parents = remoteheads; if (!head_subsumed || fast_forward == FF_NO) @@ -907,7 +938,7 @@ static int finish_automerge(struct commit *head, strbuf_addf(&buf, "Merge made by the '%s' strategy.", wt_strategy); finish(head, remoteheads, &result_commit, buf.buf); strbuf_release(&buf); - drop_save(); + remove_merge_branch_state(the_repository); return 0; } @@ -1255,6 +1286,12 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (branch) skip_prefix(branch, "refs/heads/", &branch); + if (!pull_twohead) { + char *default_strategy = getenv("GIT_TEST_MERGE_ALGORITHM"); + if (default_strategy && !strcmp(default_strategy, "ort")) + pull_twohead = "ort"; + } + init_diff_ui_defaults(); git_config(git_merge_config, NULL); @@ -1276,6 +1313,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (abort_current_merge) { int nargc = 2; const char *nargv[] = {"reset", "--merge", NULL}; + struct strbuf stash_oid = STRBUF_INIT; if (orig_argc != 2) usage_msg_opt(_("--abort expects no arguments"), @@ -1284,8 +1322,27 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (!file_exists(git_path_merge_head(the_repository))) die(_("There is no merge to abort (MERGE_HEAD missing).")); + if (read_oneliner(&stash_oid, git_path_merge_autostash(the_repository), + READ_ONELINER_SKIP_IF_EMPTY)) + unlink(git_path_merge_autostash(the_repository)); + /* Invoke 'git reset --merge' */ ret = cmd_reset(nargc, nargv, prefix); + + if (stash_oid.len) + apply_autostash_oid(stash_oid.buf); + + strbuf_release(&stash_oid); + goto done; + } + + if (quit_current_merge) { + if (orig_argc != 2) + usage_msg_opt(_("--quit expects no arguments"), + builtin_merge_usage, + builtin_merge_options); + + remove_merge_branch_state(the_repository); goto done; } @@ -1319,7 +1376,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) else die(_("You have not concluded your merge (MERGE_HEAD exists).")); } - if (file_exists(git_path_cherry_pick_head(the_repository))) { + if (ref_exists("CHERRY_PICK_HEAD")) { if (advice_resolve_conflict) die(_("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists).\n" "Please, commit your changes before you merge.")); @@ -1385,7 +1442,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix) die(_("Can merge only exactly one commit into empty head")); if (verify_signatures) - verify_merge_signature(remoteheads->item, verbosity); + verify_merge_signature(remoteheads->item, verbosity, + check_trust_level); remote_head_oid = &remoteheads->item->object.oid; read_empty(remote_head_oid, 0); @@ -1408,7 +1466,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (verify_signatures) { for (p = remoteheads; p; p = p->next) { - verify_merge_signature(p->item, verbosity); + verify_merge_signature(p->item, verbosity, + check_trust_level); } } @@ -1428,6 +1487,12 @@ int cmd_merge(int argc, const char **argv, const char *prefix) fast_forward = FF_NO; } + if (!use_strategies && !pull_twohead && + remoteheads && !remoteheads->next) { + char *default_strategy = getenv("GIT_TEST_MERGE_ALGORITHM"); + if (default_strategy) + append_strategy(get_strategy(default_strategy)); + } if (!use_strategies) { if (!remoteheads) ; /* already up-to-date */ @@ -1470,7 +1535,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * If head can reach all the merge then we are up to date. * but first the most common case of merging one remote. */ - finish_up_to_date(_("Already up to date.")); + finish_up_to_date(); goto done; } else if (fast_forward != FF_NO && !remoteheads->next && !common->next && @@ -1496,16 +1561,21 @@ int cmd_merge(int argc, const char **argv, const char *prefix) goto done; } + if (autostash) + create_autostash(the_repository, + git_path_merge_autostash(the_repository), + "merge"); if (checkout_fast_forward(the_repository, &head_commit->object.oid, &commit->object.oid, overwrite_ignore)) { + apply_autostash(git_path_merge_autostash(the_repository)); ret = 1; goto done; } finish(head_commit, remoteheads, &commit->object.oid, msg.buf); - drop_save(); + remove_merge_branch_state(the_repository); goto done; } else if (!remoteheads->next && common->next) ; @@ -1554,13 +1624,18 @@ int cmd_merge(int argc, const char **argv, const char *prefix) } } if (up_to_date) { - finish_up_to_date(_("Already up to date. Yeeah!")); + finish_up_to_date(); goto done; } } if (fast_forward == FF_ONLY) - die(_("Not possible to fast-forward, aborting.")); + die_ff_impossible(); + + if (autostash) + create_autostash(the_repository, + git_path_merge_autostash(the_repository), + "merge"); /* We are going to make a new commit. */ git_committer_info(IDENT_STRICT); @@ -1580,8 +1655,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix) save_state(&stash)) oidclr(&stash); - for (i = 0; i < use_strategies_nr; i++) { - int ret; + for (i = 0; !merge_was_ok && i < use_strategies_nr; i++) { + int ret, cnt; if (i) { printf(_("Rewinding the tree to pristine...\n")); restore_state(&head_commit->object.oid, &stash); @@ -1598,40 +1673,26 @@ int cmd_merge(int argc, const char **argv, const char *prefix) ret = try_merge_strategy(use_strategies[i]->name, common, remoteheads, head_commit); - if (!option_commit && !ret) { - merge_was_ok = 1; - /* - * This is necessary here just to avoid writing - * the tree, but later we will *not* exit with - * status code 1 because merge_was_ok is set. - */ - ret = 1; - } - - if (ret) { - /* - * The backend exits with 1 when conflicts are - * left to be resolved, with 2 when it does not - * handle the given merge at all. - */ - if (ret == 1) { - int cnt = evaluate_result(); - - if (best_cnt <= 0 || cnt <= best_cnt) { - best_strategy = use_strategies[i]->name; - best_cnt = cnt; + /* + * The backend exits with 1 when conflicts are + * left to be resolved, with 2 when it does not + * handle the given merge at all. + */ + if (ret < 2) { + if (!ret) { + if (option_commit) { + /* Automerge succeeded. */ + automerge_was_ok = 1; + break; } + merge_was_ok = 1; + } + cnt = (use_strategies_nr > 1) ? evaluate_result() : 0; + if (best_cnt <= 0 || cnt <= best_cnt) { + best_strategy = use_strategies[i]->name; + best_cnt = cnt; } - if (merge_was_ok) - break; - else - continue; } - - /* Automerge succeeded. */ - write_tree_trivial(&result_tree); - automerge_was_ok = 1; - break; } /* @@ -1657,6 +1718,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) else fprintf(stderr, _("Merge with strategy %s failed.\n"), use_strategies[0]->name); + apply_autostash(git_path_merge_autostash(the_repository)); ret = 2; goto done; } else if (best_strategy == wt_strategy) @@ -1664,15 +1726,17 @@ int cmd_merge(int argc, const char **argv, const char *prefix) else { printf(_("Rewinding the tree to pristine...\n")); restore_state(&head_commit->object.oid, &stash); - printf(_("Using the %s to prepare resolving by hand.\n"), + printf(_("Using the %s strategy to prepare resolving by hand.\n"), best_strategy); try_merge_strategy(best_strategy, common, remoteheads, head_commit); } - if (squash) + if (squash) { finish(head_commit, remoteheads, NULL, NULL); - else + + git_test_write_commit_graph_or_die(); + } else write_merge_state(remoteheads); if (merge_was_ok) diff --git a/builtin/mktag.c b/builtin/mktag.c index 6fb7dc8578..dddcccdd36 100644 --- a/builtin/mktag.c +++ b/builtin/mktag.c @@ -1,176 +1,108 @@ #include "builtin.h" +#include "parse-options.h" #include "tag.h" #include "replace-object.h" #include "object-store.h" - -/* - * A signature file has a very simple fixed format: four lines - * of "object <sha1>" + "type <typename>" + "tag <tagname>" + - * "tagger <committer>", followed by a blank line, a free-form tag - * message and a signature block that git itself doesn't care about, - * but that can be verified with gpg or similar. - * - * The first four lines are guaranteed to be at least 83 bytes: - * "object <sha1>\n" is 48 bytes, "type tag\n" at 9 bytes is the - * shortest possible type-line, "tag .\n" at 6 bytes is the shortest - * single-character-tag line, and "tagger . <> 0 +0000\n" at 20 bytes is - * the shortest possible tagger-line. - */ - -/* - * We refuse to tag something we can't verify. Just because. - */ -static int verify_object(const struct object_id *oid, const char *expected_type) +#include "fsck.h" +#include "config.h" + +static char const * const builtin_mktag_usage[] = { + N_("git mktag"), + NULL +}; +static int option_strict = 1; + +static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT; + +static int mktag_fsck_error_func(struct fsck_options *o, + const struct object_id *oid, + enum object_type object_type, + enum fsck_msg_type msg_type, + enum fsck_msg_id msg_id, + const char *message) { - int ret = -1; - enum object_type type; - unsigned long size; - void *buffer = read_object_file(oid, &type, &size); - const struct object_id *repl = lookup_replace_object(the_repository, oid); - - if (buffer) { - if (type == type_from_string(expected_type)) - ret = check_object_signature(repl, buffer, size, expected_type); - free(buffer); + switch (msg_type) { + case FSCK_WARN: + if (!option_strict) { + fprintf_ln(stderr, _("warning: tag input does not pass fsck: %s"), message); + return 0; + + } + /* fallthrough */ + case FSCK_ERROR: + /* + * We treat both warnings and errors as errors, things + * like missing "tagger" lines are "only" warnings + * under fsck, we've always considered them an error. + */ + fprintf_ln(stderr, _("error: tag input does not pass fsck: %s"), message); + return 1; + default: + BUG(_("%d (FSCK_IGNORE?) should never trigger this callback"), + msg_type); } - return ret; } -static int verify_tag(char *buffer, unsigned long size) +static int verify_object_in_tag(struct object_id *tagged_oid, int *tagged_type) { - int typelen; - char type[20]; - struct object_id oid; - const char *object, *type_line, *tag_line, *tagger_line, *lb, *rb, *p; - size_t len; - - if (size < 84) - return error("wanna fool me ? you obviously got the size wrong !"); - - buffer[size] = 0; - - /* Verify object line */ - object = buffer; - if (memcmp(object, "object ", 7)) - return error("char%d: does not start with \"object \"", 0); - - if (parse_oid_hex(object + 7, &oid, &p)) - return error("char%d: could not get SHA1 hash", 7); - - /* Verify type line */ - type_line = p + 1; - if (memcmp(type_line - 1, "\ntype ", 6)) - return error("char%d: could not find \"\\ntype \"", 47); - - /* Verify tag-line */ - tag_line = strchr(type_line, '\n'); - if (!tag_line) - return error("char%"PRIuMAX": could not find next \"\\n\"", - (uintmax_t) (type_line - buffer)); - tag_line++; - if (memcmp(tag_line, "tag ", 4) || tag_line[4] == '\n') - return error("char%"PRIuMAX": no \"tag \" found", - (uintmax_t) (tag_line - buffer)); - - /* Get the actual type */ - typelen = tag_line - type_line - strlen("type \n"); - if (typelen >= sizeof(type)) - return error("char%"PRIuMAX": type too long", - (uintmax_t) (type_line+5 - buffer)); - - memcpy(type, type_line+5, typelen); - type[typelen] = 0; - - /* Verify that the object matches */ - if (verify_object(&oid, type)) - return error("char%d: could not verify object %s", 7, oid_to_hex(&oid)); - - /* Verify the tag-name: we don't allow control characters or spaces in it */ - tag_line += 4; - for (;;) { - unsigned char c = *tag_line++; - if (c == '\n') - break; - if (c > ' ') - continue; - return error("char%"PRIuMAX": could not verify tag name", - (uintmax_t) (tag_line - buffer)); - } - - /* Verify the tagger line */ - tagger_line = tag_line; - - if (memcmp(tagger_line, "tagger ", 7)) - return error("char%"PRIuMAX": could not find \"tagger \"", - (uintmax_t) (tagger_line - buffer)); - - /* - * Check for correct form for name and email - * i.e. " <" followed by "> " on _this_ line - * No angle brackets within the name or email address fields. - * No spaces within the email address field. - */ - tagger_line += 7; - if (!(lb = strstr(tagger_line, " <")) || !(rb = strstr(lb+2, "> ")) || - strpbrk(tagger_line, "<>\n") != lb+1 || - strpbrk(lb+2, "><\n ") != rb) - return error("char%"PRIuMAX": malformed tagger field", - (uintmax_t) (tagger_line - buffer)); - - /* Check for author name, at least one character, space is acceptable */ - if (lb == tagger_line) - return error("char%"PRIuMAX": missing tagger name", - (uintmax_t) (tagger_line - buffer)); - - /* timestamp, 1 or more digits followed by space */ - tagger_line = rb + 2; - if (!(len = strspn(tagger_line, "0123456789"))) - return error("char%"PRIuMAX": missing tag timestamp", - (uintmax_t) (tagger_line - buffer)); - tagger_line += len; - if (*tagger_line != ' ') - return error("char%"PRIuMAX": malformed tag timestamp", - (uintmax_t) (tagger_line - buffer)); - tagger_line++; - - /* timezone, 5 digits [+-]hhmm, max. 1400 */ - if (!((tagger_line[0] == '+' || tagger_line[0] == '-') && - strspn(tagger_line+1, "0123456789") == 4 && - tagger_line[5] == '\n' && atoi(tagger_line+1) <= 1400)) - return error("char%"PRIuMAX": malformed tag timezone", - (uintmax_t) (tagger_line - buffer)); - tagger_line += 6; - - /* Verify the blank line separating the header from the body */ - if (*tagger_line != '\n') - return error("char%"PRIuMAX": trailing garbage in tag header", - (uintmax_t) (tagger_line - buffer)); + int ret; + enum object_type type; + unsigned long size; + void *buffer; + const struct object_id *repl; + + buffer = read_object_file(tagged_oid, &type, &size); + if (!buffer) + die(_("could not read tagged object '%s'"), + oid_to_hex(tagged_oid)); + if (type != *tagged_type) + die(_("object '%s' tagged as '%s', but is a '%s' type"), + oid_to_hex(tagged_oid), + type_name(*tagged_type), type_name(type)); + + repl = lookup_replace_object(the_repository, tagged_oid); + ret = check_object_signature(the_repository, repl, + buffer, size, type_name(*tagged_type)); + free(buffer); - /* The actual stuff afterwards we don't care about.. */ - return 0; + return ret; } int cmd_mktag(int argc, const char **argv, const char *prefix) { + static struct option builtin_mktag_options[] = { + OPT_BOOL(0, "strict", &option_strict, + N_("enable more strict checking")), + OPT_END(), + }; struct strbuf buf = STRBUF_INIT; + struct object_id tagged_oid; + int tagged_type; struct object_id result; - if (argc != 1) - usage("git mktag"); + argc = parse_options(argc, argv, NULL, + builtin_mktag_options, + builtin_mktag_usage, 0); - if (strbuf_read(&buf, 0, 4096) < 0) { - die_errno("could not read from stdin"); - } + if (strbuf_read(&buf, 0, 0) < 0) + die_errno(_("could not read from stdin")); + + fsck_options.error_func = mktag_fsck_error_func; + fsck_set_msg_type_from_ids(&fsck_options, FSCK_MSG_EXTRA_HEADER_ENTRY, + FSCK_WARN); + /* config might set fsck.extraHeaderEntry=* again */ + git_config(git_fsck_config, &fsck_options); + if (fsck_tag_standalone(NULL, buf.buf, buf.len, &fsck_options, + &tagged_oid, &tagged_type)) + die(_("tag on stdin did not pass our strict fsck check")); - /* Verify it for some basic sanity: it needs to start with - "object <sha1>\ntype\ntagger " */ - if (verify_tag(buf.buf, buf.len) < 0) - die("invalid tag signature file"); + if (verify_object_in_tag(&tagged_oid, &tagged_type)) + die(_("tag on stdin did not refer to a valid object")); if (write_object_file(buf.buf, buf.len, tag_type, &result) < 0) - die("unable to write tag file"); + die(_("unable to write tag file")); strbuf_release(&buf); - printf("%s\n", oid_to_hex(&result)); + puts(oid_to_hex(&result)); return 0; } diff --git a/builtin/mktree.c b/builtin/mktree.c index 94e82b8504..ae78ca1c02 100644 --- a/builtin/mktree.c +++ b/builtin/mktree.c @@ -67,7 +67,7 @@ static const char *mktree_usage[] = { NULL }; -static void mktree_line(char *buf, size_t len, int nul_term_line, int allow_missing) +static void mktree_line(char *buf, int nul_term_line, int allow_missing) { char *ptr, *ntr; const char *p; @@ -172,7 +172,7 @@ int cmd_mktree(int ac, const char **av, const char *prefix) break; die("input format error: (blank line only valid in batch mode)"); } - mktree_line(sb.buf, sb.len, nul_term_line, allow_missing); + mktree_line(sb.buf, nul_term_line, allow_missing); } if (is_batch_mode && got_eof && used < 1) { /* @@ -189,5 +189,5 @@ int cmd_mktree(int ac, const char **av, const char *prefix) used=0; /* reset tree entry buffer for re-use in batch mode */ } strbuf_release(&sb); - exit(0); + return 0; } diff --git a/builtin/multi-pack-index.c b/builtin/multi-pack-index.c index 72dfd3dadc..8ff0dee2ec 100644 --- a/builtin/multi-pack-index.c +++ b/builtin/multi-pack-index.c @@ -4,49 +4,181 @@ #include "parse-options.h" #include "midx.h" #include "trace2.h" +#include "object-store.h" +#define BUILTIN_MIDX_WRITE_USAGE \ + N_("git multi-pack-index [<options>] write [--preferred-pack=<pack>]") + +#define BUILTIN_MIDX_VERIFY_USAGE \ + N_("git multi-pack-index [<options>] verify") + +#define BUILTIN_MIDX_EXPIRE_USAGE \ + N_("git multi-pack-index [<options>] expire") + +#define BUILTIN_MIDX_REPACK_USAGE \ + N_("git multi-pack-index [<options>] repack [--batch-size=<size>]") + +static char const * const builtin_multi_pack_index_write_usage[] = { + BUILTIN_MIDX_WRITE_USAGE, + NULL +}; +static char const * const builtin_multi_pack_index_verify_usage[] = { + BUILTIN_MIDX_VERIFY_USAGE, + NULL +}; +static char const * const builtin_multi_pack_index_expire_usage[] = { + BUILTIN_MIDX_EXPIRE_USAGE, + NULL +}; +static char const * const builtin_multi_pack_index_repack_usage[] = { + BUILTIN_MIDX_REPACK_USAGE, + NULL +}; static char const * const builtin_multi_pack_index_usage[] = { - N_("git multi-pack-index [--object-dir=<dir>] (write|verify)"), + BUILTIN_MIDX_WRITE_USAGE, + BUILTIN_MIDX_VERIFY_USAGE, + BUILTIN_MIDX_EXPIRE_USAGE, + BUILTIN_MIDX_REPACK_USAGE, NULL }; static struct opts_multi_pack_index { const char *object_dir; + const char *preferred_pack; + unsigned long batch_size; + unsigned flags; } opts; -int cmd_multi_pack_index(int argc, const char **argv, - const char *prefix) +static struct option common_opts[] = { + OPT_FILENAME(0, "object-dir", &opts.object_dir, + N_("object directory containing set of packfile and pack-index pairs")), + OPT_BIT(0, "progress", &opts.flags, N_("force progress reporting"), MIDX_PROGRESS), + OPT_END(), +}; + +static struct option *add_common_options(struct option *prev) { - static struct option builtin_multi_pack_index_options[] = { - OPT_FILENAME(0, "object-dir", &opts.object_dir, - N_("object directory containing set of packfile and pack-index pairs")), + return parse_options_concat(common_opts, prev); +} + +static int cmd_multi_pack_index_write(int argc, const char **argv) +{ + struct option *options; + static struct option builtin_multi_pack_index_write_options[] = { + OPT_STRING(0, "preferred-pack", &opts.preferred_pack, + N_("preferred-pack"), + N_("pack for reuse when computing a multi-pack bitmap")), OPT_END(), }; + options = add_common_options(builtin_multi_pack_index_write_options); + + trace2_cmd_mode(argv[0]); + + argc = parse_options(argc, argv, NULL, + options, builtin_multi_pack_index_write_usage, + PARSE_OPT_KEEP_UNKNOWN); + if (argc) + usage_with_options(builtin_multi_pack_index_write_usage, + options); + + FREE_AND_NULL(options); + + return write_midx_file(opts.object_dir, opts.preferred_pack, + opts.flags); +} + +static int cmd_multi_pack_index_verify(int argc, const char **argv) +{ + struct option *options = common_opts; + + trace2_cmd_mode(argv[0]); + + argc = parse_options(argc, argv, NULL, + options, builtin_multi_pack_index_verify_usage, + PARSE_OPT_KEEP_UNKNOWN); + if (argc) + usage_with_options(builtin_multi_pack_index_verify_usage, + options); + + return verify_midx_file(the_repository, opts.object_dir, opts.flags); +} + +static int cmd_multi_pack_index_expire(int argc, const char **argv) +{ + struct option *options = common_opts; + + trace2_cmd_mode(argv[0]); + + argc = parse_options(argc, argv, NULL, + options, builtin_multi_pack_index_expire_usage, + PARSE_OPT_KEEP_UNKNOWN); + if (argc) + usage_with_options(builtin_multi_pack_index_expire_usage, + options); + + return expire_midx_packs(the_repository, opts.object_dir, opts.flags); +} + +static int cmd_multi_pack_index_repack(int argc, const char **argv) +{ + struct option *options; + static struct option builtin_multi_pack_index_repack_options[] = { + OPT_MAGNITUDE(0, "batch-size", &opts.batch_size, + N_("during repack, collect pack-files of smaller size into a batch that is larger than this size")), + OPT_END(), + }; + + options = add_common_options(builtin_multi_pack_index_repack_options); + + trace2_cmd_mode(argv[0]); + + argc = parse_options(argc, argv, NULL, + options, + builtin_multi_pack_index_repack_usage, + PARSE_OPT_KEEP_UNKNOWN); + if (argc) + usage_with_options(builtin_multi_pack_index_repack_usage, + options); + + FREE_AND_NULL(options); + + return midx_repack(the_repository, opts.object_dir, + (size_t)opts.batch_size, opts.flags); +} + +int cmd_multi_pack_index(int argc, const char **argv, + const char *prefix) +{ + struct option *builtin_multi_pack_index_options = common_opts; + git_config(git_default_config, NULL); + if (isatty(2)) + opts.flags |= MIDX_PROGRESS; argc = parse_options(argc, argv, prefix, builtin_multi_pack_index_options, - builtin_multi_pack_index_usage, 0); + builtin_multi_pack_index_usage, + PARSE_OPT_STOP_AT_NON_OPTION); if (!opts.object_dir) opts.object_dir = get_object_directory(); if (argc == 0) + goto usage; + + if (!strcmp(argv[0], "repack")) + return cmd_multi_pack_index_repack(argc, argv); + else if (!strcmp(argv[0], "write")) + return cmd_multi_pack_index_write(argc, argv); + else if (!strcmp(argv[0], "verify")) + return cmd_multi_pack_index_verify(argc, argv); + else if (!strcmp(argv[0], "expire")) + return cmd_multi_pack_index_expire(argc, argv); + else { + error(_("unrecognized subcommand: %s"), argv[0]); +usage: usage_with_options(builtin_multi_pack_index_usage, builtin_multi_pack_index_options); - - if (argc > 1) { - die(_("too many arguments")); - return 1; } - - trace2_cmd_mode(argv[0]); - - if (!strcmp(argv[0], "write")) - return write_midx_file(opts.object_dir); - if (!strcmp(argv[0], "verify")) - return verify_midx_file(the_repository, opts.object_dir); - - die(_("unrecognized verb: %s"), argv[0]); } diff --git a/builtin/mv.c b/builtin/mv.c index be15ba7044..c2f96c8e89 100644 --- a/builtin/mv.c +++ b/builtin/mv.c @@ -132,6 +132,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix) struct stat st; struct string_list src_for_dst = STRING_LIST_INIT_NODUP; struct lock_file lock_file = LOCK_INIT; + struct cache_entry *ce; git_config(git_default_config, NULL); @@ -220,9 +221,11 @@ int cmd_mv(int argc, const char **argv, const char *prefix) } argc += last - first; } - } else if (cache_name_pos(src, length) < 0) + } else if (!(ce = cache_file_exists(src, length, 0))) { bad = _("not under version control"); - else if (lstat(dst, &st) == 0 && + } else if (ce_stage(ce)) { + bad = _("conflicted"); + } else if (lstat(dst, &st) == 0 && (!ignore_case || strcasecmp(src, dst))) { bad = _("destination exists"); if (force) { @@ -300,5 +303,10 @@ int cmd_mv(int argc, const char **argv, const char *prefix) COMMIT_LOCK | SKIP_IF_UNCHANGED)) die(_("Unable to write new index file")); + string_list_clear(&src_for_dst, 0); + UNLEAK(source); + UNLEAK(dest_path); + free(submodule_gitfile); + free(modes); return 0; } diff --git a/builtin/name-rev.c b/builtin/name-rev.c index 05ccf53e00..b221d30014 100644 --- a/builtin/name-rev.c +++ b/builtin/name-rev.c @@ -6,20 +6,25 @@ #include "tag.h" #include "refs.h" #include "parse-options.h" -#include "sha1-lookup.h" +#include "prio-queue.h" +#include "hash-lookup.h" #include "commit-slab.h" -#define CUTOFF_DATE_SLOP 86400 /* one day */ +/* + * One day. See the 'name a rev shortly after epoch' test in t6120 when + * changing this value + */ +#define CUTOFF_DATE_SLOP 86400 -typedef struct rev_name { - const char *tip_name; +struct rev_name { + char *tip_name; timestamp_t taggerdate; int generation; int distance; int from_tag; -} rev_name; +}; -define_commit_slab(commit_rev_name, struct rev_name *); +define_commit_slab(commit_rev_name, struct rev_name); static timestamp_t cutoff = TIME_MAX; static struct commit_rev_name rev_names; @@ -27,22 +32,20 @@ static struct commit_rev_name rev_names; /* How many generations are maximally preferred over _one_ merge traversal? */ #define MERGE_TRAVERSAL_WEIGHT 65535 -static struct rev_name *get_commit_rev_name(struct commit *commit) +static int is_valid_rev_name(const struct rev_name *name) { - struct rev_name **slot = commit_rev_name_peek(&rev_names, commit); - - return slot ? *slot : NULL; + return name && (name->generation || name->tip_name); } -static void set_commit_rev_name(struct commit *commit, struct rev_name *name) +static struct rev_name *get_commit_rev_name(const struct commit *commit) { - *commit_rev_name_at(&rev_names, commit) = name; + struct rev_name *name = commit_rev_name_peek(&rev_names, commit); + + return is_valid_rev_name(name) ? name : NULL; } static int is_better_name(struct rev_name *name, - const char *tip_name, timestamp_t taggerdate, - int generation, int distance, int from_tag) { @@ -77,69 +80,135 @@ static int is_better_name(struct rev_name *name, return 0; } -static void name_rev(struct commit *commit, - const char *tip_name, timestamp_t taggerdate, - int generation, int distance, int from_tag, - int deref) +static struct rev_name *create_or_update_name(struct commit *commit, + timestamp_t taggerdate, + int generation, int distance, + int from_tag) { - struct rev_name *name = get_commit_rev_name(commit); - struct commit_list *parents; - int parent_number = 1; - char *to_free = NULL; - - parse_commit(commit); + struct rev_name *name = commit_rev_name_at(&rev_names, commit); + + if (is_valid_rev_name(name)) { + if (!is_better_name(name, taggerdate, distance, from_tag)) + return NULL; + + /* + * This string might still be shared with ancestors + * (generation > 0). We can release it here regardless, + * because the new name that has just won will be better + * for them as well, so name_rev() will replace these + * stale pointers when it processes the parents. + */ + if (!name->generation) + free(name->tip_name); + } - if (commit->date < cutoff) - return; + name->taggerdate = taggerdate; + name->generation = generation; + name->distance = distance; + name->from_tag = from_tag; - if (deref) { - tip_name = to_free = xstrfmt("%s^0", tip_name); + return name; +} - if (generation) - die("generation: %d, but deref?", generation); +static char *get_parent_name(const struct rev_name *name, int parent_number) +{ + struct strbuf sb = STRBUF_INIT; + size_t len; + + strip_suffix(name->tip_name, "^0", &len); + if (name->generation > 0) { + strbuf_grow(&sb, len + + 1 + decimal_width(name->generation) + + 1 + decimal_width(parent_number)); + strbuf_addf(&sb, "%.*s~%d^%d", (int)len, name->tip_name, + name->generation, parent_number); + } else { + strbuf_grow(&sb, len + + 1 + decimal_width(parent_number)); + strbuf_addf(&sb, "%.*s^%d", (int)len, name->tip_name, + parent_number); } + return strbuf_detach(&sb, NULL); +} - if (name == NULL) { - name = xmalloc(sizeof(rev_name)); - set_commit_rev_name(commit, name); - goto copy_data; - } else if (is_better_name(name, tip_name, taggerdate, - generation, distance, from_tag)) { -copy_data: - name->tip_name = tip_name; - name->taggerdate = taggerdate; - name->generation = generation; - name->distance = distance; - name->from_tag = from_tag; - } else { - free(to_free); +static void name_rev(struct commit *start_commit, + const char *tip_name, timestamp_t taggerdate, + int from_tag, int deref) +{ + struct prio_queue queue; + struct commit *commit; + struct commit **parents_to_queue = NULL; + size_t parents_to_queue_nr, parents_to_queue_alloc = 0; + struct rev_name *start_name; + + parse_commit(start_commit); + if (start_commit->date < cutoff) return; - } - for (parents = commit->parents; - parents; - parents = parents->next, parent_number++) { - if (parent_number > 1) { - size_t len; - char *new_name; - - strip_suffix(tip_name, "^0", &len); - if (generation > 0) - new_name = xstrfmt("%.*s~%d^%d", (int)len, tip_name, - generation, parent_number); - else - new_name = xstrfmt("%.*s^%d", (int)len, tip_name, - parent_number); - - name_rev(parents->item, new_name, taggerdate, 0, - distance + MERGE_TRAVERSAL_WEIGHT, - from_tag, 0); - } else { - name_rev(parents->item, tip_name, taggerdate, - generation + 1, distance + 1, - from_tag, 0); + start_name = create_or_update_name(start_commit, taggerdate, 0, 0, + from_tag); + if (!start_name) + return; + if (deref) + start_name->tip_name = xstrfmt("%s^0", tip_name); + else + start_name->tip_name = xstrdup(tip_name); + + memset(&queue, 0, sizeof(queue)); /* Use the prio_queue as LIFO */ + prio_queue_put(&queue, start_commit); + + while ((commit = prio_queue_get(&queue))) { + struct rev_name *name = get_commit_rev_name(commit); + struct commit_list *parents; + int parent_number = 1; + + parents_to_queue_nr = 0; + + for (parents = commit->parents; + parents; + parents = parents->next, parent_number++) { + struct commit *parent = parents->item; + struct rev_name *parent_name; + int generation, distance; + + parse_commit(parent); + if (parent->date < cutoff) + continue; + + if (parent_number > 1) { + generation = 0; + distance = name->distance + MERGE_TRAVERSAL_WEIGHT; + } else { + generation = name->generation + 1; + distance = name->distance + 1; + } + + parent_name = create_or_update_name(parent, taggerdate, + generation, + distance, from_tag); + if (parent_name) { + if (parent_number > 1) + parent_name->tip_name = + get_parent_name(name, + parent_number); + else + parent_name->tip_name = name->tip_name; + ALLOC_GROW(parents_to_queue, + parents_to_queue_nr + 1, + parents_to_queue_alloc); + parents_to_queue[parents_to_queue_nr] = parent; + parents_to_queue_nr++; + } } + + /* The first parent must come out first from the prio_queue */ + while (parents_to_queue_nr) + prio_queue_put(&queue, + parents_to_queue[--parents_to_queue_nr]); } + + clear_prio_queue(&queue); + free(parents_to_queue); } static int subpath_matches(const char *path, const char *filter) @@ -160,10 +229,10 @@ static const char *name_ref_abbrev(const char *refname, int shorten_unambiguous) { if (shorten_unambiguous) refname = shorten_unambiguous_ref(refname, 0); - else if (starts_with(refname, "refs/heads/")) - refname = refname + 11; - else if (starts_with(refname, "refs/")) - refname = refname + 5; + else if (skip_prefix(refname, "refs/heads/", &refname)) + ; /* refname already advanced */ + else + skip_prefix(refname, "refs/", &refname); return refname; } @@ -178,6 +247,10 @@ static struct tip_table { struct tip_table_entry { struct object_id oid; const char *refname; + struct commit *commit; + timestamp_t taggerdate; + unsigned int from_tag:1; + unsigned int deref:1; } *table; int nr; int alloc; @@ -185,13 +258,18 @@ static struct tip_table { } tip_table; static void add_to_tip_table(const struct object_id *oid, const char *refname, - int shorten_unambiguous) + int shorten_unambiguous, struct commit *commit, + timestamp_t taggerdate, int from_tag, int deref) { refname = name_ref_abbrev(refname, shorten_unambiguous); ALLOC_GROW(tip_table.table, tip_table.nr + 1, tip_table.alloc); oidcpy(&tip_table.table[tip_table.nr].oid, oid); tip_table.table[tip_table.nr].refname = xstrdup(refname); + tip_table.table[tip_table.nr].commit = commit; + tip_table.table[tip_table.nr].taggerdate = taggerdate; + tip_table.table[tip_table.nr].from_tag = from_tag; + tip_table.table[tip_table.nr].deref = deref; tip_table.nr++; tip_table.sorted = 0; } @@ -202,12 +280,30 @@ static int tipcmp(const void *a_, const void *b_) return oidcmp(&a->oid, &b->oid); } +static int cmp_by_tag_and_age(const void *a_, const void *b_) +{ + const struct tip_table_entry *a = a_, *b = b_; + int cmp; + + /* Prefer tags. */ + cmp = b->from_tag - a->from_tag; + if (cmp) + return cmp; + + /* Older is better. */ + if (a->taggerdate < b->taggerdate) + return -1; + return a->taggerdate != b->taggerdate; +} + static int name_ref(const char *path, const struct object_id *oid, int flags, void *cb_data) { struct object *o = parse_object(the_repository, oid); struct name_ref_data *data = cb_data; int can_abbreviate_output = data->tags_only && data->name_only; int deref = 0; + int from_tag = 0; + struct commit *commit = NULL; timestamp_t taggerdate = TIME_MAX; if (data->tags_only && !starts_with(path, "refs/tags/")) @@ -256,8 +352,6 @@ static int name_ref(const char *path, const struct object_id *oid, int flags, vo return 0; } - add_to_tip_table(oid, path, can_abbreviate_output); - while (o && o->type == OBJ_TAG) { struct tag *t = (struct tag *) o; if (!t->tagged) @@ -267,22 +361,39 @@ static int name_ref(const char *path, const struct object_id *oid, int flags, vo taggerdate = t->date; } if (o && o->type == OBJ_COMMIT) { - struct commit *commit = (struct commit *)o; - int from_tag = starts_with(path, "refs/tags/"); - + commit = (struct commit *)o; + from_tag = starts_with(path, "refs/tags/"); if (taggerdate == TIME_MAX) - taggerdate = ((struct commit *)o)->date; - path = name_ref_abbrev(path, can_abbreviate_output); - name_rev(commit, xstrdup(path), taggerdate, 0, 0, - from_tag, deref); + taggerdate = commit->date; } + + add_to_tip_table(oid, path, can_abbreviate_output, commit, taggerdate, + from_tag, deref); return 0; } -static const unsigned char *nth_tip_table_ent(size_t ix, void *table_) +static void name_tips(void) { - struct tip_table_entry *table = table_; - return table[ix].oid.hash; + int i; + + /* + * Try to set better names first, so that worse ones spread + * less. + */ + QSORT(tip_table.table, tip_table.nr, cmp_by_tag_and_age); + for (i = 0; i < tip_table.nr; i++) { + struct tip_table_entry *e = &tip_table.table[i]; + if (e->commit) { + name_rev(e->commit, e->refname, e->taggerdate, + e->from_tag, e->deref); + } + } +} + +static const struct object_id *nth_tip_table_ent(size_t ix, const void *table_) +{ + const struct tip_table_entry *table = table_; + return &table[ix].oid; } static const char *get_exact_ref_match(const struct object *o) @@ -297,8 +408,8 @@ static const char *get_exact_ref_match(const struct object *o) tip_table.sorted = 1; } - found = sha1_pos(o->oid.hash, tip_table.table, tip_table.nr, - nth_tip_table_ent); + found = oid_pos(&o->oid, tip_table.table, tip_table.nr, + nth_tip_table_ent); if (0 <= found) return tip_table.table[found].refname; return NULL; @@ -308,11 +419,11 @@ static const char *get_exact_ref_match(const struct object *o) static const char *get_rev_name(const struct object *o, struct strbuf *buf) { struct rev_name *n; - struct commit *c; + const struct commit *c; if (o->type != OBJ_COMMIT) return get_exact_ref_match(o); - c = (struct commit *) o; + c = (const struct commit *) o; n = get_commit_rev_name(c); if (!n) return NULL; @@ -320,11 +431,10 @@ static const char *get_rev_name(const struct object *o, struct strbuf *buf) if (!n->generation) return n->tip_name; else { - int len = strlen(n->tip_name); - if (len > 2 && !strcmp(n->tip_name + len - 2, "^0")) - len -= 2; strbuf_reset(buf); - strbuf_addf(buf, "%.*s~%d", len, n->tip_name, n->generation); + strbuf_addstr(buf, n->tip_name); + strbuf_strip_suffix(buf, "^0"); + strbuf_addf(buf, "~%d", n->generation); return buf->buf; } } @@ -381,8 +491,7 @@ static void name_rev_line(char *p, struct name_ref_data *data) *(p+1) = 0; if (!get_oid(p - (hexsz - 1), &oid)) { struct object *o = - lookup_object(the_repository, - oid.hash); + lookup_object(the_repository, &oid); if (o) name = get_rev_name(o, &buf); } @@ -412,7 +521,7 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) int all = 0, transform_stdin = 0, allow_undefined = 1, always = 0, peel_tag = 0; struct name_ref_data data = { 0, 0, STRING_LIST_INIT_NODUP, STRING_LIST_INIT_NODUP }; struct option opts[] = { - OPT_BOOL(0, "name-only", &data.name_only, N_("print only names (no SHA-1)")), + OPT_BOOL(0, "name-only", &data.name_only, N_("print only ref-based names (no object names)")), OPT_BOOL(0, "tags", &data.tags_only, N_("only use tags to name the commits")), OPT_STRING_LIST(0, "refs", &data.ref_filters, N_("pattern"), N_("only use refs matching <pattern>")), @@ -485,9 +594,15 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) add_object_array(object, *argv, &revs); } - if (cutoff) - cutoff = cutoff - CUTOFF_DATE_SLOP; + if (cutoff) { + /* check for undeflow */ + if (cutoff > TIME_MIN + CUTOFF_DATE_SLOP) + cutoff = cutoff - CUTOFF_DATE_SLOP; + else + cutoff = TIME_MIN; + } for_each_ref(name_ref, &data); + name_tips(); if (transform_stdin) { char buffer[2048]; diff --git a/builtin/notes.c b/builtin/notes.c index 02e97f55c5..74bba39ca8 100644 --- a/builtin/notes.c +++ b/builtin/notes.c @@ -373,7 +373,7 @@ static int list(int argc, const char **argv, const char *prefix) git_notes_list_usage, 0); if (1 < argc) { - error(_("too many parameters")); + error(_("too many arguments")); usage_with_options(git_notes_list_usage, options); } @@ -406,18 +406,18 @@ static int add(int argc, const char **argv, const char *prefix) const struct object_id *note; struct note_data d = { 0, 0, NULL, STRBUF_INIT }; struct option options[] = { - { OPTION_CALLBACK, 'm', "message", &d, N_("message"), + OPT_CALLBACK_F('m', "message", &d, N_("message"), N_("note contents as a string"), PARSE_OPT_NONEG, - parse_msg_arg}, - { OPTION_CALLBACK, 'F', "file", &d, N_("file"), + parse_msg_arg), + OPT_CALLBACK_F('F', "file", &d, N_("file"), N_("note contents in a file"), PARSE_OPT_NONEG, - parse_file_arg}, - { OPTION_CALLBACK, 'c', "reedit-message", &d, N_("object"), + parse_file_arg), + OPT_CALLBACK_F('c', "reedit-message", &d, N_("object"), N_("reuse and edit specified note object"), PARSE_OPT_NONEG, - parse_reedit_arg}, - { OPTION_CALLBACK, 'C', "reuse-message", &d, N_("object"), + parse_reedit_arg), + OPT_CALLBACK_F('C', "reuse-message", &d, N_("object"), N_("reuse specified note object"), PARSE_OPT_NONEG, - parse_reuse_arg}, + parse_reuse_arg), OPT_BOOL(0, "allow-empty", &allow_empty, N_("allow storing empty note")), OPT__FORCE(&force, N_("replace existing notes"), PARSE_OPT_NOCOMPLETE), @@ -428,7 +428,7 @@ static int add(int argc, const char **argv, const char *prefix) PARSE_OPT_KEEP_ARGV0); if (2 < argc) { - error(_("too many parameters")); + error(_("too many arguments")); usage_with_options(git_notes_add_usage, options); } @@ -506,19 +506,19 @@ static int copy(int argc, const char **argv, const char *prefix) if (from_stdin || rewrite_cmd) { if (argc) { - error(_("too many parameters")); + error(_("too many arguments")); usage_with_options(git_notes_copy_usage, options); } else { return notes_copy_from_stdin(force, rewrite_cmd); } } - if (argc < 2) { - error(_("too few parameters")); + if (argc < 1) { + error(_("too few arguments")); usage_with_options(git_notes_copy_usage, options); } if (2 < argc) { - error(_("too many parameters")); + error(_("too many arguments")); usage_with_options(git_notes_copy_usage, options); } @@ -572,18 +572,18 @@ static int append_edit(int argc, const char **argv, const char *prefix) const char * const *usage; struct note_data d = { 0, 0, NULL, STRBUF_INIT }; struct option options[] = { - { OPTION_CALLBACK, 'm', "message", &d, N_("message"), + OPT_CALLBACK_F('m', "message", &d, N_("message"), N_("note contents as a string"), PARSE_OPT_NONEG, - parse_msg_arg}, - { OPTION_CALLBACK, 'F', "file", &d, N_("file"), + parse_msg_arg), + OPT_CALLBACK_F('F', "file", &d, N_("file"), N_("note contents in a file"), PARSE_OPT_NONEG, - parse_file_arg}, - { OPTION_CALLBACK, 'c', "reedit-message", &d, N_("object"), + parse_file_arg), + OPT_CALLBACK_F('c', "reedit-message", &d, N_("object"), N_("reuse and edit specified note object"), PARSE_OPT_NONEG, - parse_reedit_arg}, - { OPTION_CALLBACK, 'C', "reuse-message", &d, N_("object"), + parse_reedit_arg), + OPT_CALLBACK_F('C', "reuse-message", &d, N_("object"), N_("reuse specified note object"), PARSE_OPT_NONEG, - parse_reuse_arg}, + parse_reuse_arg), OPT_BOOL(0, "allow-empty", &allow_empty, N_("allow storing empty note")), OPT_END() @@ -595,7 +595,7 @@ static int append_edit(int argc, const char **argv, const char *prefix) PARSE_OPT_KEEP_ARGV0); if (2 < argc) { - error(_("too many parameters")); + error(_("too many arguments")); usage_with_options(usage, options); } @@ -622,7 +622,7 @@ static int append_edit(int argc, const char **argv, const char *prefix) strbuf_grow(&d.buf, size + 1); if (d.buf.len && prev_buf && size) - strbuf_insert(&d.buf, 0, "\n", 1); + strbuf_insertstr(&d.buf, 0, "\n"); if (prev_buf && size) strbuf_insert(&d.buf, 0, prev_buf, size); free(prev_buf); @@ -662,7 +662,7 @@ static int show(int argc, const char **argv, const char *prefix) 0); if (1 < argc) { - error(_("too many parameters")); + error(_("too many arguments")); usage_with_options(git_notes_show_usage, options); } @@ -730,7 +730,7 @@ static int merge_commit(struct notes_merge_options *o) else oidclr(&parent_oid); - t = xcalloc(1, sizeof(struct notes_tree)); + CALLOC_ARRAY(t, 1); init_notes(t, "NOTES_MERGE_PARTIAL", combine_notes_overwrite, 0); o->local_ref = local_ref_to_free = @@ -745,7 +745,7 @@ static int merge_commit(struct notes_merge_options *o) memset(&pretty_ctx, 0, sizeof(pretty_ctx)); format_commit_message(partial, "%s", &msg, &pretty_ctx); strbuf_trim(&msg); - strbuf_insert(&msg, 0, "notes: ", 7); + strbuf_insertstr(&msg, 0, "notes: "); update_ref(msg.buf, o->local_ref, &oid, is_null_oid(&parent_oid) ? NULL : &parent_oid, 0, UPDATE_REFS_DIE_ON_ERR); @@ -812,7 +812,7 @@ static int merge(int argc, const char **argv, const char *prefix) error(_("must specify a notes ref to merge")); usage_with_options(git_notes_merge_usage, options); } else if (!do_merge && argc) { - error(_("too many parameters")); + error(_("too many arguments")); usage_with_options(git_notes_merge_usage, options); } @@ -960,7 +960,7 @@ static int prune(int argc, const char **argv, const char *prefix) 0); if (argc) { - error(_("too many parameters")); + error(_("too many arguments")); usage_with_options(git_notes_prune_usage, options); } @@ -982,7 +982,7 @@ static int get_ref(int argc, const char **argv, const char *prefix) git_notes_get_ref_usage, 0); if (argc) { - error(_("too many parameters")); + error(_("too many arguments")); usage_with_options(git_notes_get_ref_usage, options); } diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index 787ae10288..df49f656b9 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -26,14 +26,144 @@ #include "pack-bitmap.h" #include "delta-islands.h" #include "reachable.h" -#include "sha1-array.h" -#include "argv-array.h" +#include "oid-array.h" +#include "strvec.h" #include "list.h" #include "packfile.h" #include "object-store.h" #include "dir.h" #include "midx.h" #include "trace2.h" +#include "shallow.h" +#include "promisor-remote.h" + +/* + * Objects we are going to pack are collected in the `to_pack` structure. + * It contains an array (dynamically expanded) of the object data, and a map + * that can resolve SHA1s to their position in the array. + */ +static struct packing_data to_pack; + +static inline struct object_entry *oe_delta( + const struct packing_data *pack, + const struct object_entry *e) +{ + if (!e->delta_idx) + return NULL; + if (e->ext_base) + return &pack->ext_bases[e->delta_idx - 1]; + else + return &pack->objects[e->delta_idx - 1]; +} + +static inline unsigned long oe_delta_size(struct packing_data *pack, + const struct object_entry *e) +{ + if (e->delta_size_valid) + return e->delta_size_; + + /* + * pack->delta_size[] can't be NULL because oe_set_delta_size() + * must have been called when a new delta is saved with + * oe_set_delta(). + * If oe_delta() returns NULL (i.e. default state, which means + * delta_size_valid is also false), then the caller must never + * call oe_delta_size(). + */ + return pack->delta_size[e - pack->objects]; +} + +unsigned long oe_get_size_slow(struct packing_data *pack, + const struct object_entry *e); + +static inline unsigned long oe_size(struct packing_data *pack, + const struct object_entry *e) +{ + if (e->size_valid) + return e->size_; + + return oe_get_size_slow(pack, e); +} + +static inline void oe_set_delta(struct packing_data *pack, + struct object_entry *e, + struct object_entry *delta) +{ + if (delta) + e->delta_idx = (delta - pack->objects) + 1; + else + e->delta_idx = 0; +} + +static inline struct object_entry *oe_delta_sibling( + const struct packing_data *pack, + const struct object_entry *e) +{ + if (e->delta_sibling_idx) + return &pack->objects[e->delta_sibling_idx - 1]; + return NULL; +} + +static inline struct object_entry *oe_delta_child( + const struct packing_data *pack, + const struct object_entry *e) +{ + if (e->delta_child_idx) + return &pack->objects[e->delta_child_idx - 1]; + return NULL; +} + +static inline void oe_set_delta_child(struct packing_data *pack, + struct object_entry *e, + struct object_entry *delta) +{ + if (delta) + e->delta_child_idx = (delta - pack->objects) + 1; + else + e->delta_child_idx = 0; +} + +static inline void oe_set_delta_sibling(struct packing_data *pack, + struct object_entry *e, + struct object_entry *delta) +{ + if (delta) + e->delta_sibling_idx = (delta - pack->objects) + 1; + else + e->delta_sibling_idx = 0; +} + +static inline void oe_set_size(struct packing_data *pack, + struct object_entry *e, + unsigned long size) +{ + if (size < pack->oe_size_limit) { + e->size_ = size; + e->size_valid = 1; + } else { + e->size_valid = 0; + if (oe_get_size_slow(pack, e) != size) + BUG("'size' is supposed to be the object size!"); + } +} + +static inline void oe_set_delta_size(struct packing_data *pack, + struct object_entry *e, + unsigned long size) +{ + if (size < pack->oe_delta_size_limit) { + e->delta_size_ = size; + e->delta_size_valid = 1; + } else { + packing_data_lock(pack); + if (!pack->delta_size) + ALLOC_ARRAY(pack->delta_size, pack->nr_alloc); + packing_data_unlock(pack); + + pack->delta_size[e - pack->objects] = size; + e->delta_size_valid = 0; + } +} #define IN_PACK(obj) oe_in_pack(&to_pack, obj) #define SIZE(obj) oe_size(&to_pack, obj) @@ -54,13 +184,6 @@ static const char *pack_usage[] = { NULL }; -/* - * Objects we are going to pack are collected in the `to_pack` structure. - * It contains an array (dynamically expanded) of the object data, and a map - * that can resolve SHA1s to their position in the array. - */ -static struct packing_data to_pack; - static struct pack_idx_entry **written_list; static uint32_t nr_result, nr_written, nr_seen; static struct bitmap_index *bitmap_git; @@ -92,11 +215,16 @@ static struct progress *progress_state; static struct packed_git *reuse_packfile; static uint32_t reuse_packfile_objects; -static off_t reuse_packfile_offset; +static struct bitmap *reuse_packfile_bitmap; static int use_bitmap_index_default = 1; static int use_bitmap_index = -1; -static int write_bitmap_index; +static int allow_pack_reuse = 1; +static enum { + WRITE_BITMAP_FALSE = 0, + WRITE_BITMAP_QUIET, + WRITE_BITMAP_TRUE, +} write_bitmap_index; static uint16_t write_bitmap_options = BITMAP_OPT_HASH_CACHE; static int exclude_promisor_objects; @@ -111,6 +239,8 @@ static unsigned long window_memory_limit = 0; static struct list_objects_filter_options filter_options; +static struct string_list uri_protocols = STRING_LIST_INIT_NODUP; + enum missing_action { MA_ERROR = 0, /* fail if any missing objects are encountered */ MA_ALLOW_ANY, /* silently allow ALL missing objects */ @@ -119,6 +249,15 @@ enum missing_action { static enum missing_action arg_missing_action; static show_object_fn fn_show_object; +struct configured_exclusion { + struct oidmap_entry e; + char *pack_hash_hex; + char *uri; +}; +static struct oidmap configured_exclusions; + +static struct oidset excluded_by_config; + /* * stats */ @@ -159,7 +298,7 @@ static void *get_delta(struct object_entry *entry) delta_buf = diff_delta(base_buf, base_size, buf, size, &delta_size, 0); /* - * We succesfully computed this delta once but dropped it for + * We successfully computed this delta once but dropped it for * memory reasons. Something is very wrong if this time we * recompute and create a different delta. */ @@ -283,6 +422,17 @@ static void copy_pack_data(struct hashfile *f, } } +static inline int oe_size_greater_than(struct packing_data *pack, + const struct object_entry *lhs, + unsigned long rhs) +{ + if (lhs->size_valid) + return lhs->size_ > rhs; + if (rhs < pack->oe_size_limit) /* rhs < 2^x <= lhs ? */ + return 1; + return oe_get_size_slow(pack, lhs) > rhs; +} + /* Return 0 if we will bust the pack-size limit */ static unsigned long write_no_reuse_object(struct hashfile *f, struct object_entry *entry, unsigned long limit, int usable_delta) @@ -299,7 +449,8 @@ static unsigned long write_no_reuse_object(struct hashfile *f, struct object_ent if (!usable_delta) { if (oe_type(entry) == OBJ_BLOB && oe_size_greater_than(&to_pack, entry, big_file_threshold) && - (st = open_istream(&entry->idx.oid, &type, &size, NULL)) != NULL) + (st = open_istream(the_repository, &entry->idx.oid, &type, + &size, NULL)) != NULL) buf = NULL; else { buf = read_object_file(&entry->idx.oid, &type, &size); @@ -400,7 +551,7 @@ static off_t write_reuse_object(struct hashfile *f, struct object_entry *entry, { struct packed_git *p = IN_PACK(entry); struct pack_window *w_curs = NULL; - struct revindex_entry *revidx; + uint32_t pos; off_t offset; enum object_type type = oe_type(entry); off_t datalen; @@ -417,10 +568,15 @@ static off_t write_reuse_object(struct hashfile *f, struct object_entry *entry, type, entry_size); offset = entry->in_pack_offset; - revidx = find_pack_revindex(p, offset); - datalen = revidx[1].offset - offset; + if (offset_to_pack_pos(p, offset, &pos) < 0) + die(_("write_reuse_object: could not locate %s, expected at " + "offset %"PRIuMAX" in pack %s"), + oid_to_hex(&entry->idx.oid), (uintmax_t)offset, + p->pack_name); + datalen = pack_pos_to_offset(p, pos + 1) - offset; if (!pack_to_stdout && p->index_version > 1 && - check_pack_crc(p, &w_curs, offset, datalen, revidx->nr)) { + check_pack_crc(p, &w_curs, offset, datalen, + pack_pos_to_index(p, pos))) { error(_("bad packed object CRC for %s"), oid_to_hex(&entry->idx.oid)); unuse_pack(&w_curs); @@ -606,18 +762,26 @@ static int mark_tagged(const char *path, const struct object_id *oid, int flag, void *cb_data) { struct object_id peeled; - struct object_entry *entry = packlist_find(&to_pack, oid->hash, NULL); + struct object_entry *entry = packlist_find(&to_pack, oid); if (entry) entry->tagged = 1; - if (!peel_ref(path, &peeled)) { - entry = packlist_find(&to_pack, peeled.hash, NULL); + if (!peel_iterated_oid(oid, &peeled)) { + entry = packlist_find(&to_pack, &peeled); if (entry) entry->tagged = 1; } return 0; } +static inline unsigned char oe_layer(struct packing_data *pack, + struct object_entry *e) +{ + if (!pack->layer) + return 0; + return pack->layer[e - pack->objects]; +} + static inline void add_to_write_order(struct object_entry **wo, unsigned int *endp, struct object_entry *e) @@ -780,57 +944,211 @@ static struct object_entry **compute_write_order(void) return wo; } -static off_t write_reused_pack(struct hashfile *f) + +/* + * A reused set of objects. All objects in a chunk have the same + * relative position in the original packfile and the generated + * packfile. + */ + +static struct reused_chunk { + /* The offset of the first object of this chunk in the original + * packfile. */ + off_t original; + /* The difference for "original" minus the offset of the first object of + * this chunk in the generated packfile. */ + off_t difference; +} *reused_chunks; +static int reused_chunks_nr; +static int reused_chunks_alloc; + +static void record_reused_object(off_t where, off_t offset) { - unsigned char buffer[8192]; - off_t to_write, total; - int fd; + if (reused_chunks_nr && reused_chunks[reused_chunks_nr-1].difference == offset) + return; - if (!is_pack_valid(reuse_packfile)) - die(_("packfile is invalid: %s"), reuse_packfile->pack_name); + ALLOC_GROW(reused_chunks, reused_chunks_nr + 1, + reused_chunks_alloc); + reused_chunks[reused_chunks_nr].original = where; + reused_chunks[reused_chunks_nr].difference = offset; + reused_chunks_nr++; +} - fd = git_open(reuse_packfile->pack_name); - if (fd < 0) - die_errno(_("unable to open packfile for reuse: %s"), - reuse_packfile->pack_name); +/* + * Binary search to find the chunk that "where" is in. Note + * that we're not looking for an exact match, just the first + * chunk that contains it (which implicitly ends at the start + * of the next chunk. + */ +static off_t find_reused_offset(off_t where) +{ + int lo = 0, hi = reused_chunks_nr; + while (lo < hi) { + int mi = lo + ((hi - lo) / 2); + if (where == reused_chunks[mi].original) + return reused_chunks[mi].difference; + if (where < reused_chunks[mi].original) + hi = mi; + else + lo = mi + 1; + } - if (lseek(fd, sizeof(struct pack_header), SEEK_SET) == -1) - die_errno(_("unable to seek in reused packfile")); + /* + * The first chunk starts at zero, so we can't have gone below + * there. + */ + assert(lo); + return reused_chunks[lo-1].difference; +} - if (reuse_packfile_offset < 0) - reuse_packfile_offset = reuse_packfile->pack_size - the_hash_algo->rawsz; +static void write_reused_pack_one(size_t pos, struct hashfile *out, + struct pack_window **w_curs) +{ + off_t offset, next, cur; + enum object_type type; + unsigned long size; - total = to_write = reuse_packfile_offset - sizeof(struct pack_header); + offset = pack_pos_to_offset(reuse_packfile, pos); + next = pack_pos_to_offset(reuse_packfile, pos + 1); - while (to_write) { - int read_pack = xread(fd, buffer, sizeof(buffer)); + record_reused_object(offset, offset - hashfile_total(out)); - if (read_pack <= 0) - die_errno(_("unable to read from reused packfile")); + cur = offset; + type = unpack_object_header(reuse_packfile, w_curs, &cur, &size); + assert(type >= 0); - if (read_pack > to_write) - read_pack = to_write; + if (type == OBJ_OFS_DELTA) { + off_t base_offset; + off_t fixup; + + unsigned char header[MAX_PACK_OBJECT_HEADER]; + unsigned len; + + base_offset = get_delta_base(reuse_packfile, w_curs, &cur, type, offset); + assert(base_offset != 0); + + /* Convert to REF_DELTA if we must... */ + if (!allow_ofs_delta) { + uint32_t base_pos; + struct object_id base_oid; + + if (offset_to_pack_pos(reuse_packfile, base_offset, &base_pos) < 0) + die(_("expected object at offset %"PRIuMAX" " + "in pack %s"), + (uintmax_t)base_offset, + reuse_packfile->pack_name); + + nth_packed_object_id(&base_oid, reuse_packfile, + pack_pos_to_index(reuse_packfile, base_pos)); + + len = encode_in_pack_object_header(header, sizeof(header), + OBJ_REF_DELTA, size); + hashwrite(out, header, len); + hashwrite(out, base_oid.hash, the_hash_algo->rawsz); + copy_pack_data(out, reuse_packfile, w_curs, cur, next - cur); + return; + } - hashwrite(f, buffer, read_pack); - to_write -= read_pack; + /* Otherwise see if we need to rewrite the offset... */ + fixup = find_reused_offset(offset) - + find_reused_offset(base_offset); + if (fixup) { + unsigned char ofs_header[10]; + unsigned i, ofs_len; + off_t ofs = offset - base_offset - fixup; + + len = encode_in_pack_object_header(header, sizeof(header), + OBJ_OFS_DELTA, size); + + i = sizeof(ofs_header) - 1; + ofs_header[i] = ofs & 127; + while (ofs >>= 7) + ofs_header[--i] = 128 | (--ofs & 127); + + ofs_len = sizeof(ofs_header) - i; + + hashwrite(out, header, len); + hashwrite(out, ofs_header + sizeof(ofs_header) - ofs_len, ofs_len); + copy_pack_data(out, reuse_packfile, w_curs, cur, next - cur); + return; + } + + /* ...otherwise we have no fixup, and can write it verbatim */ + } + + copy_pack_data(out, reuse_packfile, w_curs, offset, next - offset); +} + +static size_t write_reused_pack_verbatim(struct hashfile *out, + struct pack_window **w_curs) +{ + size_t pos = 0; + + while (pos < reuse_packfile_bitmap->word_alloc && + reuse_packfile_bitmap->words[pos] == (eword_t)~0) + pos++; + + if (pos) { + off_t to_write; + + written = (pos * BITS_IN_EWORD); + to_write = pack_pos_to_offset(reuse_packfile, written) + - sizeof(struct pack_header); + + /* We're recording one chunk, not one object. */ + record_reused_object(sizeof(struct pack_header), 0); + hashflush(out); + copy_pack_data(out, reuse_packfile, w_curs, + sizeof(struct pack_header), to_write); - /* - * We don't know the actual number of objects written, - * only how many bytes written, how many bytes total, and - * how many objects total. So we can fake it by pretending all - * objects we are writing are the same size. This gives us a - * smooth progress meter, and at the end it matches the true - * answer. - */ - written = reuse_packfile_objects * - (((double)(total - to_write)) / total); display_progress(progress_state, written); } + return pos; +} + +static void write_reused_pack(struct hashfile *f) +{ + size_t i = 0; + uint32_t offset; + struct pack_window *w_curs = NULL; + + if (allow_ofs_delta) + i = write_reused_pack_verbatim(f, &w_curs); + + for (; i < reuse_packfile_bitmap->word_alloc; ++i) { + eword_t word = reuse_packfile_bitmap->words[i]; + size_t pos = (i * BITS_IN_EWORD); + + for (offset = 0; offset < BITS_IN_EWORD; ++offset) { + if ((word >> offset) == 0) + break; - close(fd); - written = reuse_packfile_objects; - display_progress(progress_state, written); - return reuse_packfile_offset - sizeof(struct pack_header); + offset += ewah_bit_ctz64(word >> offset); + write_reused_pack_one(pos + offset, f, &w_curs); + display_progress(progress_state, ++written); + } + } + + unuse_pack(&w_curs); +} + +static void write_excluded_by_configs(void) +{ + struct oidset_iter iter; + const struct object_id *oid; + + oidset_iter_init(&excluded_by_config, &iter); + while ((oid = oidset_iter_next(&iter))) { + struct configured_exclusion *ex = + oidmap_get(&configured_exclusions, oid); + + if (!ex) + BUG("configured exclusion wasn't configured"); + write_in_full(1, ex->pack_hash_hex, strlen(ex->pack_hash_hex)); + write_in_full(1, " ", 1); + write_in_full(1, ex->uri, strlen(ex->uri)); + write_in_full(1, "\n", 1); + } } static const char no_split_warning[] = N_( @@ -852,7 +1170,7 @@ static void write_pack_file(void) write_order = compute_write_order(); do { - struct object_id oid; + unsigned char hash[GIT_MAX_RAWSZ]; char *pack_tmp_name = NULL; if (pack_to_stdout) @@ -863,11 +1181,9 @@ static void write_pack_file(void) offset = write_pack_header(f, nr_remaining); if (reuse_packfile) { - off_t packfile_size; assert(pack_to_stdout); - - packfile_size = write_reused_pack(f); - offset += packfile_size; + write_reused_pack(f); + offset = hashfile_total(f); } nr_written = 0; @@ -883,16 +1199,17 @@ static void write_pack_file(void) * If so, rewrite it like in fast-import */ if (pack_to_stdout) { - finalize_hashfile(f, oid.hash, CSUM_HASH_IN_STREAM | CSUM_CLOSE); + finalize_hashfile(f, hash, CSUM_HASH_IN_STREAM | CSUM_CLOSE); } else if (nr_written == nr_remaining) { - finalize_hashfile(f, oid.hash, CSUM_HASH_IN_STREAM | CSUM_FSYNC | CSUM_CLOSE); + finalize_hashfile(f, hash, CSUM_HASH_IN_STREAM | CSUM_FSYNC | CSUM_CLOSE); } else { - int fd = finalize_hashfile(f, oid.hash, 0); - fixup_pack_header_footer(fd, oid.hash, pack_tmp_name, - nr_written, oid.hash, offset); + int fd = finalize_hashfile(f, hash, 0); + fixup_pack_header_footer(fd, hash, pack_tmp_name, + nr_written, hash, offset); close(fd); if (write_bitmap_index) { - warning(_(no_split_warning)); + if (write_bitmap_index != WRITE_BITMAP_QUIET) + warning(_(no_split_warning)); write_bitmap_index = 0; } } @@ -923,22 +1240,21 @@ static void write_pack_file(void) strbuf_addf(&tmpname, "%s-", base_name); if (write_bitmap_index) { - bitmap_writer_set_checksum(oid.hash); + bitmap_writer_set_checksum(hash); bitmap_writer_build_type_index( &to_pack, written_list, nr_written); } finish_tmp_packfile(&tmpname, pack_tmp_name, written_list, nr_written, - &pack_idx_opts, oid.hash); + &pack_idx_opts, hash); if (write_bitmap_index) { - strbuf_addf(&tmpname, "%s.bitmap", oid_to_hex(&oid)); + strbuf_addf(&tmpname, "%s.bitmap", hash_to_hex(hash)); stop_progress(&progress_state); bitmap_writer_show_progress(progress); - bitmap_writer_reuse_bitmaps(&to_pack); bitmap_writer_select_commits(indexed_commits, indexed_commits_nr, -1); bitmap_writer_build(&to_pack); bitmap_writer_finish(written_list, nr_written, @@ -948,7 +1264,7 @@ static void write_pack_file(void) strbuf_release(&tmpname); free(pack_tmp_name); - puts(oid_to_hex(&oid)); + puts(hash_to_hex(hash)); } /* mark written objects as written to previous pack */ @@ -991,12 +1307,15 @@ static int no_try_delta(const char *path) * few lines later when we want to add the new entry. */ static int have_duplicate_entry(const struct object_id *oid, - int exclude, - uint32_t *index_pos) + int exclude) { struct object_entry *entry; - entry = packlist_find(&to_pack, oid->hash, index_pos); + if (reuse_packfile_bitmap && + bitmap_walk_contains(bitmap_git, reuse_packfile_bitmap, oid)) + return 1; + + entry = packlist_find(&to_pack, oid); if (!entry) return 0; @@ -1009,7 +1328,8 @@ static int have_duplicate_entry(const struct object_id *oid, return 1; } -static int want_found_object(int exclude, struct packed_git *p) +static int want_found_object(const struct object_id *oid, int exclude, + struct packed_git *p) { if (exclude) return 1; @@ -1025,27 +1345,82 @@ static int want_found_object(int exclude, struct packed_git *p) * make sure no copy of this object appears in _any_ pack that makes us * to omit the object, so we need to check all the packs. * - * We can however first check whether these options can possible matter; + * We can however first check whether these options can possibly matter; * if they do not matter we know we want the object in generated pack. * Otherwise, we signal "-1" at the end to tell the caller that we do * not know either way, and it needs to check more packs. */ - if (!ignore_packed_keep_on_disk && - !ignore_packed_keep_in_core && - (!local || !have_non_local_packs)) - return 1; + /* + * Objects in packs borrowed from elsewhere are discarded regardless of + * if they appear in other packs that weren't borrowed. + */ if (local && !p->pack_local) return 0; - if (p->pack_local && - ((ignore_packed_keep_on_disk && p->pack_keep) || - (ignore_packed_keep_in_core && p->pack_keep_in_core))) - return 0; + + /* + * Then handle .keep first, as we have a fast(er) path there. + */ + if (ignore_packed_keep_on_disk || ignore_packed_keep_in_core) { + /* + * Set the flags for the kept-pack cache to be the ones we want + * to ignore. + * + * That is, if we are ignoring objects in on-disk keep packs, + * then we want to search through the on-disk keep and ignore + * the in-core ones. + */ + unsigned flags = 0; + if (ignore_packed_keep_on_disk) + flags |= ON_DISK_KEEP_PACKS; + if (ignore_packed_keep_in_core) + flags |= IN_CORE_KEEP_PACKS; + + if (ignore_packed_keep_on_disk && p->pack_keep) + return 0; + if (ignore_packed_keep_in_core && p->pack_keep_in_core) + return 0; + if (has_object_kept_pack(oid, flags)) + return 0; + } + + /* + * At this point we know definitively that either we don't care about + * keep-packs, or the object is not in one. Keep checking other + * conditions... + */ + if (!local || !have_non_local_packs) + return 1; /* we don't know yet; keep looking for more packs */ return -1; } +static int want_object_in_pack_one(struct packed_git *p, + const struct object_id *oid, + int exclude, + struct packed_git **found_pack, + off_t *found_offset) +{ + off_t offset; + + if (p == *found_pack) + offset = *found_offset; + else + offset = find_pack_entry_one(oid->hash, p); + + if (offset) { + if (!*found_pack) { + if (!is_pack_valid(p)) + return -1; + *found_offset = offset; + *found_pack = p; + } + return want_found_object(oid, exclude, p); + } + return -1; +} + /* * Check whether we want the object in the pack (e.g., we do not want * objects found in non-local stores if the "--local" option was used). @@ -1073,7 +1448,7 @@ static int want_object_in_pack(const struct object_id *oid, * are present we will determine the answer right now. */ if (*found_pack) { - want = want_found_object(exclude, *found_pack); + want = want_found_object(oid, exclude, *found_pack); if (want != -1) return want; } @@ -1081,50 +1456,38 @@ static int want_object_in_pack(const struct object_id *oid, for (m = get_multi_pack_index(the_repository); m; m = m->next) { struct pack_entry e; if (fill_midx_entry(the_repository, oid, &e, m)) { - struct packed_git *p = e.p; - off_t offset; - - if (p == *found_pack) - offset = *found_offset; - else - offset = find_pack_entry_one(oid->hash, p); - - if (offset) { - if (!*found_pack) { - if (!is_pack_valid(p)) - continue; - *found_offset = offset; - *found_pack = p; - } - want = want_found_object(exclude, p); - if (want != -1) - return want; - } + want = want_object_in_pack_one(e.p, oid, exclude, found_pack, found_offset); + if (want != -1) + return want; } } list_for_each(pos, get_packed_git_mru(the_repository)) { struct packed_git *p = list_entry(pos, struct packed_git, mru); - off_t offset; + want = want_object_in_pack_one(p, oid, exclude, found_pack, found_offset); + if (!exclude && want > 0) + list_move(&p->mru, + get_packed_git_mru(the_repository)); + if (want != -1) + return want; + } - if (p == *found_pack) - offset = *found_offset; - else - offset = find_pack_entry_one(oid->hash, p); - - if (offset) { - if (!*found_pack) { - if (!is_pack_valid(p)) - continue; - *found_offset = offset; - *found_pack = p; + if (uri_protocols.nr) { + struct configured_exclusion *ex = + oidmap_get(&configured_exclusions, oid); + int i; + const char *p; + + if (ex) { + for (i = 0; i < uri_protocols.nr; i++) { + if (skip_prefix(ex->uri, + uri_protocols.items[i].string, + &p) && + *p == ':') { + oidset_insert(&excluded_by_config, oid); + return 0; + } } - want = want_found_object(exclude, p); - if (!exclude && want > 0) - list_move(&p->mru, - get_packed_git_mru(the_repository)); - if (want != -1) - return want; } } @@ -1136,13 +1499,12 @@ static void create_object_entry(const struct object_id *oid, uint32_t hash, int exclude, int no_try_delta, - uint32_t index_pos, struct packed_git *found_pack, off_t found_offset) { struct object_entry *entry; - entry = packlist_alloc(&to_pack, oid->hash, index_pos); + entry = packlist_alloc(&to_pack, oid); entry->hash = hash; oe_set_type(entry, type); if (exclude) @@ -1166,17 +1528,17 @@ static int add_object_entry(const struct object_id *oid, enum object_type type, { struct packed_git *found_pack = NULL; off_t found_offset = 0; - uint32_t index_pos; display_progress(progress_state, ++nr_seen); - if (have_duplicate_entry(oid, exclude, &index_pos)) + if (have_duplicate_entry(oid, exclude)) return 0; if (!want_object_in_pack(oid, exclude, &found_pack, &found_offset)) { /* The pack is missing an object, so it will not have closure */ if (write_bitmap_index) { - warning(_(no_closure_warning)); + if (write_bitmap_index != WRITE_BITMAP_QUIET) + warning(_(no_closure_warning)); write_bitmap_index = 0; } return 0; @@ -1184,7 +1546,7 @@ static int add_object_entry(const struct object_id *oid, enum object_type type, create_object_entry(oid, type, pack_name_hash(name), exclude, name && no_try_delta(name), - index_pos, found_pack, found_offset); + found_pack, found_offset); return 1; } @@ -1193,17 +1555,15 @@ static int add_object_entry_from_bitmap(const struct object_id *oid, int flags, uint32_t name_hash, struct packed_git *pack, off_t offset) { - uint32_t index_pos; - display_progress(progress_state, ++nr_seen); - if (have_duplicate_entry(oid, 0, &index_pos)) + if (have_duplicate_entry(oid, 0)) return 0; if (!want_object_in_pack(oid, 0, &pack, &offset)) return 0; - create_object_entry(oid, type, name_hash, 0, 0, index_pos, pack, offset); + create_object_entry(oid, type, name_hash, 0, 0, pack, offset); return 1; } @@ -1428,7 +1788,8 @@ static void add_preferred_base(struct object_id *oid) if (window <= num_preferred_base++) return; - data = read_object_with_reference(oid, tree_type, &size, &tree_oid); + data = read_object_with_reference(the_repository, oid, + tree_type, &size, &tree_oid); if (!data) return; @@ -1439,7 +1800,7 @@ static void add_preferred_base(struct object_id *oid) } } - it = xcalloc(1, sizeof(*it)); + CALLOC_ARRAY(it, 1); it->next = pbase_tree; pbase_tree = it; @@ -1484,21 +1845,17 @@ static void cleanup_preferred_base(void) * deltify other objects against, in order to avoid * circular deltas. */ -static int can_reuse_delta(const unsigned char *base_sha1, +static int can_reuse_delta(const struct object_id *base_oid, struct object_entry *delta, struct object_entry **base_out) { struct object_entry *base; - struct object_id base_oid; - - if (!base_sha1) - return 0; /* * First see if we're already sending the base (or it's explicitly in * our "excluded" list). */ - base = packlist_find(&to_pack, base_sha1, NULL); + base = packlist_find(&to_pack, base_oid); if (base) { if (!in_same_island(&delta->idx.oid, &base->idx.oid)) return 0; @@ -1511,10 +1868,9 @@ static int can_reuse_delta(const unsigned char *base_sha1, * even if it was buried too deep in history to make it into the * packing list. */ - oidread(&base_oid, base_sha1); - if (thin && bitmap_has_oid_in_uninteresting(bitmap_git, &base_oid)) { + if (thin && bitmap_has_oid_in_uninteresting(bitmap_git, base_oid)) { if (use_delta_islands) { - if (!in_same_island(&delta->idx.oid, &base_oid)) + if (!in_same_island(&delta->idx.oid, base_oid)) return 0; } *base_out = NULL; @@ -1524,14 +1880,36 @@ static int can_reuse_delta(const unsigned char *base_sha1, return 0; } -static void check_object(struct object_entry *entry) +static void prefetch_to_pack(uint32_t object_index_start) { + struct oid_array to_fetch = OID_ARRAY_INIT; + uint32_t i; + + for (i = object_index_start; i < to_pack.nr_objects; i++) { + struct object_entry *entry = to_pack.objects + i; + + if (!oid_object_info_extended(the_repository, + &entry->idx.oid, + NULL, + OBJECT_INFO_FOR_PREFETCH)) + continue; + oid_array_append(&to_fetch, &entry->idx.oid); + } + promisor_remote_get_direct(the_repository, + to_fetch.oid, to_fetch.nr); + oid_array_clear(&to_fetch); +} + +static void check_object(struct object_entry *entry, uint32_t object_index) { unsigned long canonical_size; + enum object_type type; + struct object_info oi = {.typep = &type, .sizep = &canonical_size}; if (IN_PACK(entry)) { struct packed_git *p = IN_PACK(entry); struct pack_window *w_curs = NULL; - const unsigned char *base_ref = NULL; + int have_base = 0; + struct object_id base_ref; struct object_entry *base_entry; unsigned long used, used_0; unsigned long avail; @@ -1572,9 +1950,13 @@ static void check_object(struct object_entry *entry) unuse_pack(&w_curs); return; case OBJ_REF_DELTA: - if (reuse_delta && !entry->preferred_base) - base_ref = use_pack(p, &w_curs, - entry->in_pack_offset + used, NULL); + if (reuse_delta && !entry->preferred_base) { + oidread(&base_ref, + use_pack(p, &w_curs, + entry->in_pack_offset + used, + NULL)); + have_base = 1; + } entry->in_pack_header_size = used + the_hash_algo->rawsz; break; case OBJ_OFS_DELTA: @@ -1600,17 +1982,19 @@ static void check_object(struct object_entry *entry) goto give_up; } if (reuse_delta && !entry->preferred_base) { - struct revindex_entry *revidx; - revidx = find_pack_revindex(p, ofs); - if (!revidx) + uint32_t pos; + if (offset_to_pack_pos(p, ofs, &pos) < 0) goto give_up; - base_ref = nth_packed_object_sha1(p, revidx->nr); + if (!nth_packed_object_id(&base_ref, p, + pack_pos_to_index(p, pos))) + have_base = 1; } entry->in_pack_header_size = used + used_0; break; } - if (can_reuse_delta(base_ref, entry, &base_entry)) { + if (have_base && + can_reuse_delta(&base_ref, entry, &base_entry)) { oe_set_type(entry, entry->in_pack_type); SET_SIZE(entry, in_pack_size); /* delta size */ SET_DELTA_SIZE(entry, in_pack_size); @@ -1620,7 +2004,7 @@ static void check_object(struct object_entry *entry) entry->delta_sibling_idx = base_entry->delta_child_idx; SET_DELTA_CHILD(base_entry, entry); } else { - SET_DELTA_EXT(entry, base_ref); + SET_DELTA_EXT(entry, &base_ref); } unuse_pack(&w_curs); @@ -1653,8 +2037,18 @@ static void check_object(struct object_entry *entry) unuse_pack(&w_curs); } - oe_set_type(entry, - oid_object_info(the_repository, &entry->idx.oid, &canonical_size)); + if (oid_object_info_extended(the_repository, &entry->idx.oid, &oi, + OBJECT_INFO_SKIP_FETCH_OBJECT | OBJECT_INFO_LOOKUP_REPLACE) < 0) { + if (has_promisor_remote()) { + prefetch_to_pack(object_index); + if (oid_object_info_extended(the_repository, &entry->idx.oid, &oi, + OBJECT_INFO_SKIP_FETCH_OBJECT | OBJECT_INFO_LOOKUP_REPLACE) < 0) + type = -1; + } else { + type = -1; + } + } + oe_set_type(entry, type); if (entry->type_valid) { SET_SIZE(entry, canonical_size); } else { @@ -1867,14 +2261,14 @@ static void get_object_details(void) progress_state = start_progress(_("Counting objects"), to_pack.nr_objects); - sorted_by_offset = xcalloc(to_pack.nr_objects, sizeof(struct object_entry *)); + CALLOC_ARRAY(sorted_by_offset, to_pack.nr_objects); for (i = 0; i < to_pack.nr_objects; i++) sorted_by_offset[i] = to_pack.objects + i; QSORT(sorted_by_offset, to_pack.nr_objects, pack_offset_sort); for (i = 0; i < to_pack.nr_objects; i++) { struct object_entry *entry = sorted_by_offset[i]; - check_object(entry); + check_object(entry, i); if (entry->type_valid && oe_size_greater_than(&to_pack, entry, big_file_threshold)) entry->no_try_delta = 1; @@ -1977,6 +2371,26 @@ static pthread_mutex_t progress_mutex; * progress_mutex for protection. */ +static inline int oe_size_less_than(struct packing_data *pack, + const struct object_entry *lhs, + unsigned long rhs) +{ + if (lhs->size_valid) + return lhs->size_ < rhs; + if (rhs < pack->oe_size_limit) /* rhs < 2^x <= lhs ? */ + return 0; + return oe_get_size_slow(pack, lhs) < rhs; +} + +static inline void oe_set_tree_depth(struct packing_data *pack, + struct object_entry *e, + unsigned int tree_depth) +{ + if (!pack->tree_depth) + CALLOC_ARRAY(pack->tree_depth, pack->nr_alloc); + pack->tree_depth[e - pack->objects] = tree_depth; +} + /* * Return the size of the object without doing any delta * reconstruction (so non-deltas are true object sizes, but deltas @@ -2199,7 +2613,7 @@ static void find_deltas(struct object_entry **list, unsigned *list_size, struct unpacked *array; unsigned long mem_usage = 0; - array = xcalloc(window, sizeof(struct unpacked)); + CALLOC_ARRAY(array, window); for (;;) { struct object_entry *entry; @@ -2334,15 +2748,6 @@ static void find_deltas(struct object_entry **list, unsigned *list_size, free(array); } -static void try_to_free_from_threads(size_t size) -{ - packing_data_lock(&to_pack); - release_pack_memory(size); - packing_data_unlock(&to_pack); -} - -static try_to_free_t old_try_to_free_routine; - /* * The main object list is split into smaller lists, each is handed to * one worker. @@ -2383,12 +2788,10 @@ static void init_threaded_search(void) pthread_mutex_init(&cache_mutex, NULL); pthread_mutex_init(&progress_mutex, NULL); pthread_cond_init(&progress_cond, NULL); - old_try_to_free_routine = set_try_to_free_routine(try_to_free_from_threads); } static void cleanup_threaded_search(void) { - set_try_to_free_routine(old_try_to_free_routine); pthread_cond_destroy(&progress_cond); pthread_mutex_destroy(&cache_mutex); pthread_mutex_destroy(&progress_mutex); @@ -2447,7 +2850,7 @@ static void ll_find_deltas(struct object_entry **list, unsigned list_size, if (progress > pack_to_stdout) fprintf_ln(stderr, _("Delta compression using up to %d threads"), delta_search_threads); - p = xcalloc(delta_search_threads, sizeof(*p)); + CALLOC_ARRAY(p, delta_search_threads); /* Partition the work amongst work threads. */ for (i = 0; i < delta_search_threads; i++) { @@ -2560,6 +2963,13 @@ static void ll_find_deltas(struct object_entry **list, unsigned list_size, free(p); } +static int obj_is_packed(const struct object_id *oid) +{ + return packlist_find(&to_pack, oid) || + (reuse_packfile_bitmap && + bitmap_walk_contains(bitmap_git, reuse_packfile_bitmap, oid)); +} + static void add_tag_chain(const struct object_id *oid) { struct tag *tag; @@ -2571,7 +2981,7 @@ static void add_tag_chain(const struct object_id *oid) * it was included via bitmaps, we would not have parsed it * previously). */ - if (packlist_find(&to_pack, oid->hash, NULL)) + if (obj_is_packed(oid)) return; tag = lookup_tag(the_repository, oid); @@ -2589,13 +2999,11 @@ static void add_tag_chain(const struct object_id *oid) } } -static int add_ref_tag(const char *path, const struct object_id *oid, int flag, void *cb_data) +static int add_ref_tag(const char *tag, const struct object_id *oid, int flag, void *cb_data) { struct object_id peeled; - if (starts_with(path, "refs/tags/") && /* is a tag? */ - !peel_ref(path, &peeled) && /* peelable? */ - packlist_find(&to_pack, peeled.hash, NULL)) /* object packed? */ + if (!peel_iterated_oid(oid, &peeled) && obj_is_packed(&peeled)) add_tag_chain(oid); return 0; } @@ -2663,6 +3071,7 @@ static void prepare_pack(int window, int depth) if (nr_deltas && n > 1) { unsigned nr_done = 0; + if (progress) progress_state = start_progress(_("Compressing objects"), nr_deltas); @@ -2707,8 +3116,8 @@ static int git_pack_config(const char *k, const char *v, void *cb) use_bitmap_index_default = git_config_bool(k, v); return 0; } - if (!strcmp(k, "pack.usesparse")) { - sparse = git_config_bool(k, v); + if (!strcmp(k, "pack.allowpackreuse")) { + allow_pack_reuse = git_config_bool(k, v); return 0; } if (!strcmp(k, "pack.threads")) { @@ -2729,9 +3138,241 @@ static int git_pack_config(const char *k, const char *v, void *cb) pack_idx_opts.version); return 0; } + if (!strcmp(k, "pack.writereverseindex")) { + if (git_config_bool(k, v)) + pack_idx_opts.flags |= WRITE_REV; + else + pack_idx_opts.flags &= ~WRITE_REV; + return 0; + } + if (!strcmp(k, "uploadpack.blobpackfileuri")) { + struct configured_exclusion *ex = xmalloc(sizeof(*ex)); + const char *oid_end, *pack_end; + /* + * Stores the pack hash. This is not a true object ID, but is + * of the same form. + */ + struct object_id pack_hash; + + if (parse_oid_hex(v, &ex->e.oid, &oid_end) || + *oid_end != ' ' || + parse_oid_hex(oid_end + 1, &pack_hash, &pack_end) || + *pack_end != ' ') + die(_("value of uploadpack.blobpackfileuri must be " + "of the form '<object-hash> <pack-hash> <uri>' (got '%s')"), v); + if (oidmap_get(&configured_exclusions, &ex->e.oid)) + die(_("object already configured in another " + "uploadpack.blobpackfileuri (got '%s')"), v); + ex->pack_hash_hex = xcalloc(1, pack_end - oid_end); + memcpy(ex->pack_hash_hex, oid_end + 1, pack_end - oid_end - 1); + ex->uri = xstrdup(pack_end + 1); + oidmap_put(&configured_exclusions, ex); + } return git_default_config(k, v, cb); } +/* Counters for trace2 output when in --stdin-packs mode. */ +static int stdin_packs_found_nr; +static int stdin_packs_hints_nr; + +static int add_object_entry_from_pack(const struct object_id *oid, + struct packed_git *p, + uint32_t pos, + void *_data) +{ + struct rev_info *revs = _data; + struct object_info oi = OBJECT_INFO_INIT; + off_t ofs; + enum object_type type; + + display_progress(progress_state, ++nr_seen); + + if (have_duplicate_entry(oid, 0)) + return 0; + + ofs = nth_packed_object_offset(p, pos); + if (!want_object_in_pack(oid, 0, &p, &ofs)) + return 0; + + oi.typep = &type; + if (packed_object_info(the_repository, p, ofs, &oi) < 0) + die(_("could not get type of object %s in pack %s"), + oid_to_hex(oid), p->pack_name); + else if (type == OBJ_COMMIT) { + /* + * commits in included packs are used as starting points for the + * subsequent revision walk + */ + add_pending_oid(revs, NULL, oid, 0); + } + + stdin_packs_found_nr++; + + create_object_entry(oid, type, 0, 0, 0, p, ofs); + + return 0; +} + +static void show_commit_pack_hint(struct commit *commit, void *_data) +{ + /* nothing to do; commits don't have a namehash */ +} + +static void show_object_pack_hint(struct object *object, const char *name, + void *_data) +{ + struct object_entry *oe = packlist_find(&to_pack, &object->oid); + if (!oe) + return; + + /* + * Our 'to_pack' list was constructed by iterating all objects packed in + * included packs, and so doesn't have a non-zero hash field that you + * would typically pick up during a reachability traversal. + * + * Make a best-effort attempt to fill in the ->hash and ->no_try_delta + * here using a now in order to perhaps improve the delta selection + * process. + */ + oe->hash = pack_name_hash(name); + oe->no_try_delta = name && no_try_delta(name); + + stdin_packs_hints_nr++; +} + +static int pack_mtime_cmp(const void *_a, const void *_b) +{ + struct packed_git *a = ((const struct string_list_item*)_a)->util; + struct packed_git *b = ((const struct string_list_item*)_b)->util; + + /* + * order packs by descending mtime so that objects are laid out + * roughly as newest-to-oldest + */ + if (a->mtime < b->mtime) + return 1; + else if (b->mtime < a->mtime) + return -1; + else + return 0; +} + +static void read_packs_list_from_stdin(void) +{ + struct strbuf buf = STRBUF_INIT; + struct string_list include_packs = STRING_LIST_INIT_DUP; + struct string_list exclude_packs = STRING_LIST_INIT_DUP; + struct string_list_item *item = NULL; + + struct packed_git *p; + struct rev_info revs; + + repo_init_revisions(the_repository, &revs, NULL); + /* + * Use a revision walk to fill in the namehash of objects in the include + * packs. To save time, we'll avoid traversing through objects that are + * in excluded packs. + * + * That may cause us to avoid populating all of the namehash fields of + * all included objects, but our goal is best-effort, since this is only + * an optimization during delta selection. + */ + revs.no_kept_objects = 1; + revs.keep_pack_cache_flags |= IN_CORE_KEEP_PACKS; + revs.blob_objects = 1; + revs.tree_objects = 1; + revs.tag_objects = 1; + revs.ignore_missing_links = 1; + + while (strbuf_getline(&buf, stdin) != EOF) { + if (!buf.len) + continue; + + if (*buf.buf == '^') + string_list_append(&exclude_packs, buf.buf + 1); + else + string_list_append(&include_packs, buf.buf); + + strbuf_reset(&buf); + } + + string_list_sort(&include_packs); + string_list_sort(&exclude_packs); + + for (p = get_all_packs(the_repository); p; p = p->next) { + const char *pack_name = pack_basename(p); + + item = string_list_lookup(&include_packs, pack_name); + if (!item) + item = string_list_lookup(&exclude_packs, pack_name); + + if (item) + item->util = p; + } + + /* + * Arguments we got on stdin may not even be packs. First + * check that to avoid segfaulting later on in + * e.g. pack_mtime_cmp(), excluded packs are handled below. + * + * Since we first parsed our STDIN and then sorted the input + * lines the pack we error on will be whatever line happens to + * sort first. This is lazy, it's enough that we report one + * bad case here, we don't need to report the first/last one, + * or all of them. + */ + for_each_string_list_item(item, &include_packs) { + struct packed_git *p = item->util; + if (!p) + die(_("could not find pack '%s'"), item->string); + } + + /* + * Then, handle all of the excluded packs, marking them as + * kept in-core so that later calls to add_object_entry() + * discards any objects that are also found in excluded packs. + */ + for_each_string_list_item(item, &exclude_packs) { + struct packed_git *p = item->util; + if (!p) + die(_("could not find pack '%s'"), item->string); + p->pack_keep_in_core = 1; + } + + /* + * Order packs by ascending mtime; use QSORT directly to access the + * string_list_item's ->util pointer, which string_list_sort() does not + * provide. + */ + QSORT(include_packs.items, include_packs.nr, pack_mtime_cmp); + + for_each_string_list_item(item, &include_packs) { + struct packed_git *p = item->util; + if (!p) + die(_("could not find pack '%s'"), item->string); + for_each_object_in_pack(p, + add_object_entry_from_pack, + &revs, + FOR_EACH_OBJECT_PACK_ORDER); + } + + if (prepare_revision_walk(&revs)) + die(_("revision walk setup failed")); + traverse_commit_list(&revs, + show_commit_pack_hint, + show_object_pack_hint, + NULL); + + trace2_data_intmax("pack-objects", the_repository, "stdin_packs_found", + stdin_packs_found_nr); + trace2_data_intmax("pack-objects", the_repository, "stdin_packs_hints", + stdin_packs_hints_nr); + + strbuf_release(&buf); + string_list_clear(&include_packs, 0); + string_list_clear(&exclude_packs, 0); +} + static void read_object_list_from_stdin(void) { char line[GIT_MAX_HEXSZ + 1 + PATH_MAX + 2]; @@ -2795,7 +3436,7 @@ static void show_object(struct object *obj, const char *name, void *data) for (p = strchr(name, '/'); p; p = strchr(p + 1, '/')) depth++; - ent = packlist_find(&to_pack, obj->oid.hash, NULL); + ent = packlist_find(&to_pack, &obj->oid); if (ent && depth > oe_tree_depth(&to_pack, ent)) oe_set_tree_depth(&to_pack, ent, depth); } @@ -2809,7 +3450,7 @@ static void show_object__ma_allow_any(struct object *obj, const char *name, void * Quietly ignore ALL missing objects. This avoids problems with * staging them now and getting an odd error later. */ - if (!has_object_file(&obj->oid)) + if (!has_object(the_repository, &obj->oid, 0)) return; show_object(obj, name, data); @@ -2823,7 +3464,7 @@ static void show_object__ma_allow_promisor(struct object *obj, const char *name, * Quietly ignore EXPECTED missing objects. This avoids problems with * staging them now and getting an odd error later. */ - if (!has_object_file(&obj->oid) && is_promisor_object(&obj->oid)) + if (!has_object(the_repository, &obj->oid, 0) && is_promisor_object(&obj->oid)) return; show_object(obj, name, data); @@ -2899,7 +3540,7 @@ static int ofscmp(const void *a_, const void *b_) return oidcmp(&a->object->oid, &b->object->oid); } -static void add_objects_in_unpacked_packs(struct rev_info *revs) +static void add_objects_in_unpacked_packs(void) { struct packed_git *p; struct in_pack in_pack; @@ -2921,8 +3562,8 @@ static void add_objects_in_unpacked_packs(struct rev_info *revs) in_pack.alloc); for (i = 0; i < p->num_objects; i++) { - nth_packed_object_oid(&oid, p, i); - o = lookup_unknown_object(oid.hash); + nth_packed_object_id(&oid, p, i); + o = lookup_unknown_object(the_repository, &oid); if (!(o->flags & OBJECT_ADDED)) mark_in_pack_object(o, p, &in_pack); o->flags |= OBJECT_ADDED; @@ -3011,10 +3652,11 @@ static int loosened_object_can_be_discarded(const struct object_id *oid, return 1; } -static void loosen_unused_packed_objects(struct rev_info *revs) +static void loosen_unused_packed_objects(void) { struct packed_git *p; uint32_t i; + uint32_t loosened_objects_nr = 0; struct object_id oid; for (p = get_all_packs(the_repository); p; p = p->next) { @@ -3025,14 +3667,19 @@ static void loosen_unused_packed_objects(struct rev_info *revs) die(_("cannot open pack index")); for (i = 0; i < p->num_objects; i++) { - nth_packed_object_oid(&oid, p, i); - if (!packlist_find(&to_pack, oid.hash, NULL) && + nth_packed_object_id(&oid, p, i); + if (!packlist_find(&to_pack, &oid) && !has_sha1_pack_kept_or_nonlocal(&oid) && - !loosened_object_can_be_discarded(&oid, p->mtime)) + !loosened_object_can_be_discarded(&oid, p->mtime)) { if (force_object_loose(&oid, p->mtime)) die(_("unable to force loose object")); + loosened_objects_nr++; + } } } + + trace2_data_intmax("pack-objects", the_repository, + "loosen_unused_packed_objects/loosened", loosened_objects_nr); } /* @@ -3042,8 +3689,8 @@ static void loosen_unused_packed_objects(struct rev_info *revs) */ static int pack_options_allow_reuse(void) { - return pack_to_stdout && - allow_ofs_delta && + return allow_pack_reuse && + pack_to_stdout && !ignore_packed_keep_on_disk && !ignore_packed_keep_in_core && (!local || !have_non_local_packs) && @@ -3052,7 +3699,7 @@ static int pack_options_allow_reuse(void) static int get_object_list_from_bitmap(struct rev_info *revs) { - if (!(bitmap_git = prepare_bitmap_walk(revs))) + if (!(bitmap_git = prepare_bitmap_walk(revs, &filter_options, 0))) return -1; if (pack_options_allow_reuse() && @@ -3060,13 +3707,15 @@ static int get_object_list_from_bitmap(struct rev_info *revs) bitmap_git, &reuse_packfile, &reuse_packfile_objects, - &reuse_packfile_offset)) { + &reuse_packfile_bitmap)) { assert(reuse_packfile_objects); nr_result += reuse_packfile_objects; - display_progress(progress_state, nr_result); + nr_seen += reuse_packfile_objects; + display_progress(progress_state, nr_seen); } - traverse_bitmap_commit_list(bitmap_git, &add_object_entry_from_bitmap); + traverse_bitmap_commit_list(bitmap_git, revs, + &add_object_entry_from_bitmap); return 0; } @@ -3082,6 +3731,37 @@ static void record_recent_commit(struct commit *commit, void *data) oid_array_append(&recent_objects, &commit->object.oid); } +static int mark_bitmap_preferred_tip(const char *refname, + const struct object_id *oid, int flags, + void *_data) +{ + struct object_id peeled; + struct object *object; + + if (!peel_iterated_oid(oid, &peeled)) + oid = &peeled; + + object = parse_object_or_die(oid, refname); + if (object->type == OBJ_COMMIT) + object->flags |= NEEDS_BITMAP; + + return 0; +} + +static void mark_bitmap_preferred_tips(void) +{ + struct string_list_item *item; + const struct string_list *preferred_tips; + + preferred_tips = bitmap_preferred_tips(the_repository); + if (!preferred_tips) + return; + + for_each_string_list_item(item, preferred_tips) { + for_each_ref_in(item->string, mark_bitmap_preferred_tip, NULL); + } +} + static void get_object_list(int ac, const char **av) { struct rev_info revs; @@ -3117,7 +3797,7 @@ static void get_object_list(int ac, const char **av) if (starts_with(line, "--shallow ")) { struct object_id oid; if (get_oid_hex(line + 10, &oid)) - die("not an SHA-1 '%s'", line + 10); + die("not an object name '%s'", line + 10); register_shallow(the_repository, &oid); use_bitmap_index = 0; continue; @@ -3136,6 +3816,9 @@ static void get_object_list(int ac, const char **av) if (use_delta_islands) load_delta_islands(the_repository, progress); + if (write_bitmap_index) + mark_bitmap_preferred_tips(); + if (prepare_revision_walk(&revs)) die(_("revision walk setup failed")); mark_edges_uninteresting(&revs, show_edge, sparse); @@ -3158,11 +3841,11 @@ static void get_object_list(int ac, const char **av) } if (keep_unreachable) - add_objects_in_unpacked_packs(&revs); + add_objects_in_unpacked_packs(); if (pack_loose_unreachable) add_unreachable_loose_objects(); if (unpack_unreachable) - loosen_unused_packed_objects(&revs); + loosen_unused_packed_objects(); oid_array_clear(&recent_objects); } @@ -3231,9 +3914,10 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) int use_internal_rev_list = 0; int shallow = 0; int all_progress_implied = 0; - struct argv_array rp = ARGV_ARRAY_INIT; + struct strvec rp = STRVEC_INIT; int rev_list_unpacked = 0, rev_list_all = 0, rev_list_reflog = 0; int rev_list_index = 0; + int stdin_packs = 0; struct string_list keep_pack_list = STRING_LIST_INIT_NODUP; struct option pack_objects_options[] = { OPT_SET_INT('q', "quiet", &progress, @@ -3245,9 +3929,9 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "all-progress-implied", &all_progress_implied, N_("similar to --all-progress when progress meter is shown")), - { OPTION_CALLBACK, 0, "index-version", NULL, N_("<version>[,<offset>]"), + OPT_CALLBACK_F(0, "index-version", NULL, N_("<version>[,<offset>]"), N_("write the pack index file in the specified idx format version"), - PARSE_OPT_NONEG, option_parse_index_version }, + PARSE_OPT_NONEG, option_parse_index_version), OPT_MAGNITUDE(0, "max-pack-size", &pack_size_limit, N_("maximum size of each output pack file")), OPT_BOOL(0, "local", &local, @@ -3284,6 +3968,8 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) OPT_SET_INT_F(0, "indexed-objects", &rev_list_index, N_("include objects referred to by the index"), 1, PARSE_OPT_NONEG), + OPT_BOOL(0, "stdin-packs", &stdin_packs, + N_("read packs from stdin")), OPT_BOOL(0, "stdout", &pack_to_stdout, N_("output pack to stdout")), OPT_BOOL(0, "include-tag", &include_tag, @@ -3292,9 +3978,9 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) N_("keep unreachable objects")), OPT_BOOL(0, "pack-loose-unreachable", &pack_loose_unreachable, N_("pack loose unreachable objects")), - { OPTION_CALLBACK, 0, "unpack-unreachable", NULL, N_("time"), + OPT_CALLBACK_F(0, "unpack-unreachable", NULL, N_("time"), N_("unpack unreachable objects newer than <time>"), - PARSE_OPT_OPTARG, option_parse_unpack_unreachable }, + PARSE_OPT_OPTARG, option_parse_unpack_unreachable), OPT_BOOL(0, "sparse", &sparse, N_("use the sparse reachability algorithm")), OPT_BOOL(0, "thin", &thin, @@ -3311,16 +3997,24 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) N_("do not hide commits by grafts"), 0), OPT_BOOL(0, "use-bitmap-index", &use_bitmap_index, N_("use a bitmap index if available to speed up counting objects")), - OPT_BOOL(0, "write-bitmap-index", &write_bitmap_index, - N_("write a bitmap index together with the pack index")), + OPT_SET_INT(0, "write-bitmap-index", &write_bitmap_index, + N_("write a bitmap index together with the pack index"), + WRITE_BITMAP_TRUE), + OPT_SET_INT_F(0, "write-bitmap-index-quiet", + &write_bitmap_index, + N_("write a bitmap index if possible"), + WRITE_BITMAP_QUIET, PARSE_OPT_HIDDEN), OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options), - { OPTION_CALLBACK, 0, "missing", NULL, N_("action"), + OPT_CALLBACK_F(0, "missing", NULL, N_("action"), N_("handling for missing objects"), PARSE_OPT_NONEG, - option_parse_missing_action }, + option_parse_missing_action), OPT_BOOL(0, "exclude-promisor-objects", &exclude_promisor_objects, N_("do not pack objects in promisor packfiles")), OPT_BOOL(0, "delta-islands", &use_delta_islands, N_("respect islands during delta compression")), + OPT_STRING_LIST(0, "uri-protocol", &uri_protocols, + N_("protocol"), + N_("exclude any configured uploadpack.blobpackfileuri with this protocol")), OPT_END(), }; @@ -3329,9 +4023,15 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) read_replace_refs = 0; - sparse = git_env_bool("GIT_TEST_PACK_SPARSE", 0); + sparse = git_env_bool("GIT_TEST_PACK_SPARSE", -1); + prepare_repo_settings(the_repository); + if (sparse < 0) + sparse = the_repository->settings.pack_use_sparse; + reset_pack_idx_option(&pack_idx_opts); git_config(git_pack_config, NULL); + if (git_env_bool(GIT_TEST_WRITE_REV_INDEX, 0)) + pack_idx_opts.flags |= WRITE_REV; progress = isatty(2); argc = parse_options(argc, argv, prefix, pack_objects_options, @@ -3344,6 +4044,8 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) if (pack_to_stdout != !base_name || argc) usage_with_options(pack_usage, pack_objects_options); + if (depth < 0) + depth = 0; if (depth >= (1 << OE_DEPTH_BITS)) { warning(_("delta chain depth %d is too deep, forcing %d"), depth, (1 << OE_DEPTH_BITS) - 1); @@ -3354,37 +4056,39 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) (1U << OE_Z_DELTA_BITS) - 1); cache_max_small_delta_size = (1U << OE_Z_DELTA_BITS) - 1; } + if (window < 0) + window = 0; - argv_array_push(&rp, "pack-objects"); + strvec_push(&rp, "pack-objects"); if (thin) { use_internal_rev_list = 1; - argv_array_push(&rp, shallow + strvec_push(&rp, shallow ? "--objects-edge-aggressive" : "--objects-edge"); } else - argv_array_push(&rp, "--objects"); + strvec_push(&rp, "--objects"); if (rev_list_all) { use_internal_rev_list = 1; - argv_array_push(&rp, "--all"); + strvec_push(&rp, "--all"); } if (rev_list_reflog) { use_internal_rev_list = 1; - argv_array_push(&rp, "--reflog"); + strvec_push(&rp, "--reflog"); } if (rev_list_index) { use_internal_rev_list = 1; - argv_array_push(&rp, "--indexed-objects"); + strvec_push(&rp, "--indexed-objects"); } - if (rev_list_unpacked) { + if (rev_list_unpacked && !stdin_packs) { use_internal_rev_list = 1; - argv_array_push(&rp, "--unpacked"); + strvec_push(&rp, "--unpacked"); } if (exclude_promisor_objects) { use_internal_rev_list = 1; fetch_if_missing = 0; - argv_array_push(&rp, "--exclude-promisor-objects"); + strvec_push(&rp, "--exclude-promisor-objects"); } if (unpack_unreachable || keep_unreachable || pack_loose_unreachable) use_internal_rev_list = 1; @@ -3421,9 +4125,13 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) if (filter_options.choice) { if (!pack_to_stdout) die(_("cannot use --filter without --stdout")); - use_bitmap_index = 0; + if (stdin_packs) + die(_("cannot use --filter with --stdin-packs")); } + if (stdin_packs && use_internal_rev_list) + die(_("cannot use internal rev list with --stdin-packs")); + /* * "soft" reasons not to use bitmaps - for on-disk repack by default we want * @@ -3447,7 +4155,7 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) write_bitmap_index = 0; if (use_delta_islands) - argv_array_push(&rp, "--topo-order"); + strvec_push(&rp, "--topo-order"); if (progress && all_progress_implied) progress = 2; @@ -3482,15 +4190,21 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) if (progress) progress_state = start_progress(_("Enumerating objects"), 0); - if (!use_internal_rev_list) + if (stdin_packs) { + /* avoids adding objects in excluded packs */ + ignore_packed_keep_in_core = 1; + read_packs_list_from_stdin(); + if (rev_list_unpacked) + add_unreachable_loose_objects(); + } else if (!use_internal_rev_list) read_object_list_from_stdin(); else { - get_object_list(rp.argc, rp.argv); - argv_array_clear(&rp); + get_object_list(rp.nr, rp.v); + strvec_clear(&rp); } cleanup_preferred_base(); if (include_tag && nr_result) - for_each_ref(add_ref_tag, NULL); + for_each_tag_ref(add_ref_tag, NULL); stop_progress(&progress_state); trace2_region_leave("pack-objects", "enumerate-objects", the_repository); @@ -3506,13 +4220,16 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) } trace2_region_enter("pack-objects", "write-pack-file", the_repository); + write_excluded_by_configs(); write_pack_file(); trace2_region_leave("pack-objects", "write-pack-file", the_repository); if (progress) fprintf_ln(stderr, _("Total %"PRIu32" (delta %"PRIu32")," - " reused %"PRIu32" (delta %"PRIu32")"), - written, written_delta, reused, reused_delta); + " reused %"PRIu32" (delta %"PRIu32")," + " pack-reused %"PRIu32), + written, written_delta, reused, reused_delta, + reuse_packfile_objects); return 0; } diff --git a/builtin/pack-redundant.c b/builtin/pack-redundant.c index 178e3409b7..8bf5c0acad 100644 --- a/builtin/pack-redundant.c +++ b/builtin/pack-redundant.c @@ -20,7 +20,7 @@ static int load_all_packs, verbose, alt_odb; struct llist_item { struct llist_item *next; - const struct object_id *oid; + struct object_id oid; }; static struct llist { struct llist_item *front; @@ -95,10 +95,10 @@ static struct llist * llist_copy(struct llist *list) static inline struct llist_item *llist_insert(struct llist *list, struct llist_item *after, - const struct object_id *oid) + const unsigned char *oid) { struct llist_item *new_item = llist_item_get(); - new_item->oid = oid; + oidread(&new_item->oid, oid); new_item->next = NULL; if (after != NULL) { @@ -118,7 +118,7 @@ static inline struct llist_item *llist_insert(struct llist *list, } static inline struct llist_item *llist_insert_back(struct llist *list, - const struct object_id *oid) + const unsigned char *oid) { return llist_insert(list, list->back, oid); } @@ -130,9 +130,9 @@ static inline struct llist_item *llist_insert_sorted_unique(struct llist *list, l = (hint == NULL) ? list->front : hint; while (l) { - int cmp = oidcmp(l->oid, oid); + int cmp = oidcmp(&l->oid, oid); if (cmp > 0) { /* we insert before this entry */ - return llist_insert(list, prev, oid); + return llist_insert(list, prev, oid->hash); } if (!cmp) { /* already exists */ return l; @@ -141,11 +141,11 @@ static inline struct llist_item *llist_insert_sorted_unique(struct llist *list, l = l->next; } /* insert at the end */ - return llist_insert_back(list, oid); + return llist_insert_back(list, oid->hash); } /* returns a pointer to an item in front of sha1 */ -static inline struct llist_item * llist_sorted_remove(struct llist *list, const struct object_id *oid, struct llist_item *hint) +static inline struct llist_item * llist_sorted_remove(struct llist *list, const unsigned char *oid, struct llist_item *hint) { struct llist_item *prev, *l; @@ -153,7 +153,7 @@ redo_from_start: l = (hint == NULL) ? list->front : hint; prev = NULL; while (l) { - const int cmp = oidcmp(l->oid, oid); + const int cmp = hashcmp(l->oid.hash, oid); if (cmp > 0) /* not in list, since sorted */ return prev; if (!cmp) { /* found */ @@ -188,7 +188,7 @@ static void llist_sorted_difference_inplace(struct llist *A, b = B->front; while (b) { - hint = llist_sorted_remove(A, b->oid, hint); + hint = llist_sorted_remove(A, b->oid.hash, hint); b = b->next; } } @@ -236,7 +236,7 @@ static struct pack_list * pack_list_difference(const struct pack_list *A, static void cmp_two_packs(struct pack_list *p1, struct pack_list *p2) { - unsigned long p1_off = 0, p2_off = 0, p1_step, p2_step; + size_t p1_off = 0, p2_off = 0, p1_step, p2_step; const unsigned char *p1_base, *p2_base; struct llist_item *p1_hint = NULL, *p2_hint = NULL; const unsigned int hashsz = the_hash_algo->rawsz; @@ -260,10 +260,10 @@ static void cmp_two_packs(struct pack_list *p1, struct pack_list *p2) /* cmp ~ p1 - p2 */ if (cmp == 0) { p1_hint = llist_sorted_remove(p1->unique_objects, - (const struct object_id *)(p1_base + p1_off), + p1_base + p1_off, p1_hint); p2_hint = llist_sorted_remove(p2->unique_objects, - (const struct object_id *)(p1_base + p1_off), + p1_base + p1_off, p2_hint); p1_off += p1_step; p2_off += p2_step; @@ -280,7 +280,7 @@ static void cmp_two_packs(struct pack_list *p1, struct pack_list *p2) static size_t sizeof_union(struct packed_git *p1, struct packed_git *p2) { size_t ret = 0; - unsigned long p1_off = 0, p2_off = 0, p1_step, p2_step; + size_t p1_off = 0, p2_off = 0, p1_step, p2_step; const unsigned char *p1_base, *p2_base; const unsigned int hashsz = the_hash_algo->rawsz; @@ -373,7 +373,7 @@ static void sort_pack_list(struct pack_list **pl) return; /* prepare an array of packed_list for easier sorting */ - ary = xcalloc(n, sizeof(struct pack_list *)); + CALLOC_ARRAY(ary, n); for (n = 0, p = *pl; p; p = p->next) ary[n++] = p; @@ -455,7 +455,7 @@ static void load_all_objects(void) l = pl->remaining_objects->front; while (l) { hint = llist_insert_sorted_unique(all_objects, - l->oid, hint); + &l->oid, hint); l = l->next; } pl = pl->next; @@ -473,6 +473,12 @@ static void cmp_local_packs(void) { struct pack_list *subset, *pl = local_packs; + /* only one packfile */ + if (!pl->next) { + llist_init(&pl->unique_objects); + return; + } + while ((subset = pl)) { while ((subset = subset->next)) cmp_two_packs(pl, subset); @@ -499,7 +505,7 @@ static void scan_alt_odb_packs(void) static struct pack_list * add_pack(struct packed_git *p) { struct pack_list l; - unsigned long off = 0, step; + size_t off = 0, step; const unsigned char *base; if (!p->pack_local && !(alt_odb || verbose)) @@ -515,7 +521,7 @@ static struct pack_list * add_pack(struct packed_git *p) base += 256 * 4 + ((p->index_version < 2) ? 4 : 8); step = the_hash_algo->rawsz + ((p->index_version < 2) ? 4 : 0); while (off < p->num_objects * step) { - llist_insert_back(l.remaining_objects, (const struct object_id *)(base + off)); + llist_insert_back(l.remaining_objects, base + off); off += step; } l.all_objects_size = l.remaining_objects->size; @@ -554,6 +560,7 @@ static void load_all(void) int cmd_pack_redundant(int argc, const char **argv, const char *prefix) { int i; + int i_still_use_this = 0; struct pack_list *min = NULL, *red, *pl; struct llist *ignore; struct object_id *oid; @@ -580,12 +587,24 @@ int cmd_pack_redundant(int argc, const char **argv, const char *prefix) alt_odb = 1; continue; } + if (!strcmp(arg, "--i-still-use-this")) { + i_still_use_this = 1; + continue; + } if (*arg == '-') usage(pack_redundant_usage); else break; } + if (!i_still_use_this) { + fputs(_("'git pack-redundant' is nominated for removal.\n" + "If you still use this command, please add an extra\n" + "option, '--i-still-use-this', on the command line\n" + "and let us know you still use it by sending an e-mail\n" + "to <git@vger.kernel.org>. Thanks.\n"), stderr); + } + if (load_all_packs) load_all(); else diff --git a/builtin/patch-id.c b/builtin/patch-id.c index 970d0d30b4..822ffff51f 100644 --- a/builtin/patch-id.c +++ b/builtin/patch-id.c @@ -1,15 +1,12 @@ +#include "cache.h" #include "builtin.h" #include "config.h" +#include "diff.h" static void flush_current_id(int patchlen, struct object_id *id, struct object_id *result) { - char name[50]; - - if (!patchlen) - return; - - memcpy(name, oid_to_hex(id), GIT_SHA1_HEXSZ + 1); - printf("%s %s\n", oid_to_hex(result), name); + if (patchlen) + printf("%s %s\n", oid_to_hex(result), oid_to_hex(id)); } static int remove_space(char *line) @@ -54,30 +51,14 @@ static int scan_hunk_header(const char *p, int *p_before, int *p_after) return 1; } -static void flush_one_hunk(struct object_id *result, git_SHA_CTX *ctx) -{ - unsigned char hash[GIT_MAX_RAWSZ]; - unsigned short carry = 0; - int i; - - git_SHA1_Final(hash, ctx); - git_SHA1_Init(ctx); - /* 20-byte sum, with carry */ - for (i = 0; i < GIT_SHA1_RAWSZ; ++i) { - carry += result->hash[i] + hash[i]; - result->hash[i] = carry; - carry >>= 8; - } -} - static int get_one_patchid(struct object_id *next_oid, struct object_id *result, struct strbuf *line_buf, int stable) { int patchlen = 0, found_next = 0; int before = -1, after = -1; - git_SHA_CTX ctx; + git_hash_ctx ctx; - git_SHA1_Init(&ctx); + the_hash_algo->init_fn(&ctx); oidclr(result); while (strbuf_getwholeline(line_buf, stdin, '\n') != EOF) { @@ -137,7 +118,7 @@ static int get_one_patchid(struct object_id *next_oid, struct object_id *result, /* Compute the sha without whitespace */ len = remove_space(line); patchlen += len; - git_SHA1_Update(&ctx, line, len); + the_hash_algo->update_fn(&ctx, line, len); } if (!found_next) diff --git a/builtin/prune-packed.c b/builtin/prune-packed.c index 48c5e78e33..b7b9281a8c 100644 --- a/builtin/prune-packed.c +++ b/builtin/prune-packed.c @@ -1,54 +1,12 @@ #include "builtin.h" -#include "cache.h" -#include "progress.h" #include "parse-options.h" -#include "packfile.h" -#include "object-store.h" +#include "prune-packed.h" static const char * const prune_packed_usage[] = { N_("git prune-packed [-n | --dry-run] [-q | --quiet]"), NULL }; -static struct progress *progress; - -static int prune_subdir(unsigned int nr, const char *path, void *data) -{ - int *opts = data; - display_progress(progress, nr + 1); - if (!(*opts & PRUNE_PACKED_DRY_RUN)) - rmdir(path); - return 0; -} - -static int prune_object(const struct object_id *oid, const char *path, - void *data) -{ - int *opts = data; - - if (!has_object_pack(oid)) - return 0; - - if (*opts & PRUNE_PACKED_DRY_RUN) - printf("rm -f %s\n", path); - else - unlink_or_warn(path); - return 0; -} - -void prune_packed_objects(int opts) -{ - if (opts & PRUNE_PACKED_VERBOSE) - progress = start_delayed_progress(_("Removing duplicate objects"), 256); - - for_each_loose_file_in_objdir(get_object_directory(), - prune_object, NULL, prune_subdir, &opts); - - /* Ensure we show 100% before finishing progress */ - display_progress(progress, 256); - stop_progress(&progress); -} - int cmd_prune_packed(int argc, const char **argv, const char *prefix) { int opts = isatty(2) ? PRUNE_PACKED_VERBOSE : 0; diff --git a/builtin/prune.c b/builtin/prune.c index 97613eccb5..02c6ab7cba 100644 --- a/builtin/prune.c +++ b/builtin/prune.c @@ -6,7 +6,9 @@ #include "reachable.h" #include "parse-options.h" #include "progress.h" +#include "prune-packed.h" #include "object-store.h" +#include "shallow.h" static const char * const prune_usage[] = { N_("git prune [-n] [-v] [--progress] [--expire <time>] [--] [<head>...]"), @@ -53,7 +55,7 @@ static int is_object_reachable(const struct object_id *oid, perform_reachability_traversal(revs); - obj = lookup_object(the_repository, oid->hash); + obj = lookup_object(the_repository, oid); return obj && (obj->flags & SEEN); } diff --git a/builtin/pull.c b/builtin/pull.c index 9dd32a115b..b311ea6b9d 100644 --- a/builtin/pull.c +++ b/builtin/pull.c @@ -12,9 +12,10 @@ #include "parse-options.h" #include "exec-cmd.h" #include "run-command.h" -#include "sha1-array.h" +#include "oid-array.h" #include "remote.h" #include "dir.h" +#include "rebase.h" #include "refs.h" #include "refspec.h" #include "revision.h" @@ -26,15 +27,6 @@ #include "commit-reach.h" #include "sequencer.h" -enum rebase_type { - REBASE_INVALID = -1, - REBASE_FALSE = 0, - REBASE_TRUE, - REBASE_PRESERVE, - REBASE_MERGES, - REBASE_INTERACTIVE -}; - /** * Parses the value of --rebase. If value is a false value, returns * REBASE_FALSE. If value is a true value, returns REBASE_TRUE. If value is @@ -45,22 +37,9 @@ enum rebase_type { static enum rebase_type parse_config_rebase(const char *key, const char *value, int fatal) { - int v = git_parse_maybe_bool(value); - - if (!v) - return REBASE_FALSE; - else if (v > 0) - return REBASE_TRUE; - else if (!strcmp(value, "preserve") || !strcmp(value, "p")) - return REBASE_PRESERVE; - else if (!strcmp(value, "merges") || !strcmp(value, "m")) - return REBASE_MERGES; - else if (!strcmp(value, "interactive") || !strcmp(value, "i")) - return REBASE_INTERACTIVE; - /* - * Please update _git_config() in git-completion.bash when you - * add new rebase modes. - */ + enum rebase_type v = rebase_parse_value(value); + if (v != REBASE_INVALID) + return v; if (fatal) die(_("Invalid value for %s: %s"), key, value); @@ -107,8 +86,9 @@ static char *opt_ff; static char *opt_verify_signatures; static int opt_autostash = -1; static int config_autostash; -static struct argv_array opt_strategies = ARGV_ARRAY_INIT; -static struct argv_array opt_strategy_opts = ARGV_ARRAY_INIT; +static int check_trust_level = 1; +static struct strvec opt_strategies = STRVEC_INIT; +static struct strvec opt_strategy_opts = STRVEC_INIT; static char *opt_gpg_sign; static int opt_allow_unrelated_histories; @@ -128,6 +108,9 @@ static char *opt_update_shallow; static char *opt_refmap; static char *opt_ipv4; static char *opt_ipv6; +static int opt_show_forced_updates = -1; +static char *set_upstream; +static struct strvec opt_fetch = STRVEC_INIT; static struct option pull_options[] = { /* Shared options */ @@ -135,17 +118,17 @@ static struct option pull_options[] = { OPT_PASSTHRU(0, "progress", &opt_progress, NULL, N_("force progress reporting"), PARSE_OPT_NOARG), - { OPTION_CALLBACK, 0, "recurse-submodules", + OPT_CALLBACK_F(0, "recurse-submodules", &recurse_submodules, N_("on-demand"), N_("control for recursive fetching of submodules"), - PARSE_OPT_OPTARG, option_fetch_parse_recurse_submodules }, + PARSE_OPT_OPTARG, option_fetch_parse_recurse_submodules), /* Options passed to git-merge or git-rebase */ OPT_GROUP(N_("Options related to merging")), - { OPTION_CALLBACK, 'r', "rebase", &opt_rebase, - "(false|true|merges|preserve|interactive)", - N_("incorporate changes by rebasing rather than merging"), - PARSE_OPT_OPTARG, parse_opt_rebase }, + OPT_CALLBACK_F('r', "rebase", &opt_rebase, + "(false|true|merges|preserve|interactive)", + N_("incorporate changes by rebasing rather than merging"), + PARSE_OPT_OPTARG, parse_opt_rebase), OPT_PASSTHRU('n', NULL, &opt_diffstat, NULL, N_("do not show a diffstat at the end of the merge"), PARSE_OPT_NOARG | PARSE_OPT_NONEG), @@ -159,7 +142,7 @@ static struct option pull_options[] = { N_("add (at most <n>) entries from shortlog to merge commit message"), PARSE_OPT_OPTARG), OPT_PASSTHRU(0, "signoff", &opt_signoff, NULL, - N_("add Signed-off-by:"), + N_("add a Signed-off-by trailer"), PARSE_OPT_OPTARG), OPT_PASSTHRU(0, "squash", &opt_squash, NULL, N_("create a single commit instead of doing a merge"), @@ -181,7 +164,7 @@ static struct option pull_options[] = { N_("verify that the named commit has a valid GPG signature"), PARSE_OPT_NOARG), OPT_BOOL(0, "autostash", &opt_autostash, - N_("automatically stash/stash pop before and after rebase")), + N_("automatically stash/stash pop before and after")), OPT_PASSTHRU_ARGV('s', "strategy", &opt_strategies, N_("strategy"), N_("merge strategy to use"), 0), @@ -225,6 +208,15 @@ static struct option pull_options[] = { OPT_PASSTHRU(0, "depth", &opt_depth, N_("depth"), N_("deepen history of shallow clone"), 0), + OPT_PASSTHRU_ARGV(0, "shallow-since", &opt_fetch, N_("time"), + N_("deepen history of shallow repository based on time"), + 0), + OPT_PASSTHRU_ARGV(0, "shallow-exclude", &opt_fetch, N_("revision"), + N_("deepen history of shallow clone, excluding rev"), + 0), + OPT_PASSTHRU_ARGV(0, "deepen", &opt_fetch, N_("n"), + N_("deepen history of shallow clone"), + 0), OPT_PASSTHRU(0, "unshallow", &opt_unshallow, NULL, N_("convert to a complete repository"), PARSE_OPT_NONEG | PARSE_OPT_NOARG), @@ -234,12 +226,24 @@ static struct option pull_options[] = { OPT_PASSTHRU(0, "refmap", &opt_refmap, N_("refmap"), N_("specify fetch refmap"), PARSE_OPT_NONEG), + OPT_PASSTHRU_ARGV('o', "server-option", &opt_fetch, + N_("server-specific"), + N_("option to transmit"), + 0), OPT_PASSTHRU('4', "ipv4", &opt_ipv4, NULL, N_("use IPv4 addresses only"), PARSE_OPT_NOARG), OPT_PASSTHRU('6', "ipv6", &opt_ipv6, NULL, N_("use IPv6 addresses only"), PARSE_OPT_NOARG), + OPT_PASSTHRU_ARGV(0, "negotiation-tip", &opt_fetch, N_("revision"), + N_("report that we have only objects reachable from this object"), + 0), + OPT_BOOL(0, "show-forced-updates", &opt_show_forced_updates, + N_("check for forced-updates on all updated branches")), + OPT_PASSTHRU(0, "set-upstream", &set_upstream, NULL, + N_("set upstream for git pull/fetch"), + PARSE_OPT_NOARG), OPT_END() }; @@ -247,25 +251,25 @@ static struct option pull_options[] = { /** * Pushes "-q" or "-v" switches into arr to match the opt_verbosity level. */ -static void argv_push_verbosity(struct argv_array *arr) +static void argv_push_verbosity(struct strvec *arr) { int verbosity; for (verbosity = opt_verbosity; verbosity > 0; verbosity--) - argv_array_push(arr, "-v"); + strvec_push(arr, "-v"); for (verbosity = opt_verbosity; verbosity < 0; verbosity++) - argv_array_push(arr, "-q"); + strvec_push(arr, "-q"); } /** * Pushes "-f" switches into arr to match the opt_force level. */ -static void argv_push_force(struct argv_array *arr) +static void argv_push_force(struct strvec *arr) { int force = opt_force; while (force-- > 0) - argv_array_push(arr, "-f"); + strvec_push(arr, "-f"); } /** @@ -320,7 +324,7 @@ static const char *config_get_ff(void) * looks for the value of "pull.rebase". If both configuration keys do not * exist, returns REBASE_FALSE. */ -static enum rebase_type config_get_rebase(void) +static enum rebase_type config_get_rebase(int *rebase_unspecified) { struct branch *curr_branch = branch_get("HEAD"); const char *value; @@ -340,6 +344,8 @@ static enum rebase_type config_get_rebase(void) if (!git_config_get_value("pull.rebase", &value)) return parse_config_rebase("pull.rebase", value, 1); + *rebase_unspecified = 1; + return REBASE_FALSE; } @@ -348,6 +354,8 @@ static enum rebase_type config_get_rebase(void) */ static int git_pull_config(const char *var, const char *value, void *cb) { + int status; + if (!strcmp(var, "rebase.autostash")) { config_autostash = git_config_bool(var, value); return 0; @@ -355,7 +363,14 @@ static int git_pull_config(const char *var, const char *value, void *cb) recurse_submodules = git_config_bool(var, value) ? RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF; return 0; + } else if (!strcmp(var, "gpg.mintrustlevel")) { + check_trust_level = 0; } + + status = git_gpg_config(var, value, cb); + if (status) + return status; + return git_default_config(var, value, cb); } @@ -495,68 +510,75 @@ static void parse_repo_refspecs(int argc, const char **argv, const char **repo, */ static int run_fetch(const char *repo, const char **refspecs) { - struct argv_array args = ARGV_ARRAY_INIT; + struct strvec args = STRVEC_INIT; int ret; - argv_array_pushl(&args, "fetch", "--update-head-ok", NULL); + strvec_pushl(&args, "fetch", "--update-head-ok", NULL); /* Shared options */ argv_push_verbosity(&args); if (opt_progress) - argv_array_push(&args, opt_progress); + strvec_push(&args, opt_progress); /* Options passed to git-fetch */ if (opt_all) - argv_array_push(&args, opt_all); + strvec_push(&args, opt_all); if (opt_append) - argv_array_push(&args, opt_append); + strvec_push(&args, opt_append); if (opt_upload_pack) - argv_array_push(&args, opt_upload_pack); + strvec_push(&args, opt_upload_pack); argv_push_force(&args); if (opt_tags) - argv_array_push(&args, opt_tags); + strvec_push(&args, opt_tags); if (opt_prune) - argv_array_push(&args, opt_prune); + strvec_push(&args, opt_prune); if (recurse_submodules != RECURSE_SUBMODULES_DEFAULT) switch (recurse_submodules) { case RECURSE_SUBMODULES_ON: - argv_array_push(&args, "--recurse-submodules=on"); + strvec_push(&args, "--recurse-submodules=on"); break; case RECURSE_SUBMODULES_OFF: - argv_array_push(&args, "--recurse-submodules=no"); + strvec_push(&args, "--recurse-submodules=no"); break; case RECURSE_SUBMODULES_ON_DEMAND: - argv_array_push(&args, "--recurse-submodules=on-demand"); + strvec_push(&args, "--recurse-submodules=on-demand"); break; default: BUG("submodule recursion option not understood"); } if (max_children) - argv_array_push(&args, max_children); + strvec_push(&args, max_children); if (opt_dry_run) - argv_array_push(&args, "--dry-run"); + strvec_push(&args, "--dry-run"); if (opt_keep) - argv_array_push(&args, opt_keep); + strvec_push(&args, opt_keep); if (opt_depth) - argv_array_push(&args, opt_depth); + strvec_push(&args, opt_depth); if (opt_unshallow) - argv_array_push(&args, opt_unshallow); + strvec_push(&args, opt_unshallow); if (opt_update_shallow) - argv_array_push(&args, opt_update_shallow); + strvec_push(&args, opt_update_shallow); if (opt_refmap) - argv_array_push(&args, opt_refmap); + strvec_push(&args, opt_refmap); if (opt_ipv4) - argv_array_push(&args, opt_ipv4); + strvec_push(&args, opt_ipv4); if (opt_ipv6) - argv_array_push(&args, opt_ipv6); + strvec_push(&args, opt_ipv6); + if (opt_show_forced_updates > 0) + strvec_push(&args, "--show-forced-updates"); + else if (opt_show_forced_updates == 0) + strvec_push(&args, "--no-show-forced-updates"); + if (set_upstream) + strvec_push(&args, set_upstream); + strvec_pushv(&args, opt_fetch.v); if (repo) { - argv_array_push(&args, repo); - argv_array_pushv(&args, refspecs); + strvec_push(&args, repo); + strvec_pushv(&args, refspecs); } else if (*refspecs) BUG("refspecs without repo?"); - ret = run_command_v_opt(args.argv, RUN_GIT_CMD); - argv_array_clear(&args); + ret = run_command_v_opt(args.v, RUN_GIT_CMD); + strvec_clear(&args); return ret; } @@ -574,7 +596,8 @@ static int pull_into_void(const struct object_id *merge_head, die(_("unable to access commit %s"), oid_to_hex(merge_head)); - verify_merge_signature(commit, opt_verbosity); + verify_merge_signature(commit, opt_verbosity, + check_trust_level); } /* @@ -600,8 +623,8 @@ static int rebase_submodules(void) cp.git_cmd = 1; cp.no_stdin = 1; - argv_array_pushl(&cp.args, "submodule", "update", - "--recursive", "--rebase", NULL); + strvec_pushl(&cp.args, "submodule", "update", + "--recursive", "--rebase", NULL); argv_push_verbosity(&cp.args); return run_command(&cp); @@ -613,8 +636,8 @@ static int update_submodules(void) cp.git_cmd = 1; cp.no_stdin = 1; - argv_array_pushl(&cp.args, "submodule", "update", - "--recursive", "--checkout", NULL); + strvec_pushl(&cp.args, "submodule", "update", + "--recursive", "--checkout", NULL); argv_push_verbosity(&cp.args); return run_command(&cp); @@ -626,44 +649,48 @@ static int update_submodules(void) static int run_merge(void) { int ret; - struct argv_array args = ARGV_ARRAY_INIT; + struct strvec args = STRVEC_INIT; - argv_array_pushl(&args, "merge", NULL); + strvec_pushl(&args, "merge", NULL); /* Shared options */ argv_push_verbosity(&args); if (opt_progress) - argv_array_push(&args, opt_progress); + strvec_push(&args, opt_progress); /* Options passed to git-merge */ if (opt_diffstat) - argv_array_push(&args, opt_diffstat); + strvec_push(&args, opt_diffstat); if (opt_log) - argv_array_push(&args, opt_log); + strvec_push(&args, opt_log); if (opt_signoff) - argv_array_push(&args, opt_signoff); + strvec_push(&args, opt_signoff); if (opt_squash) - argv_array_push(&args, opt_squash); + strvec_push(&args, opt_squash); if (opt_commit) - argv_array_push(&args, opt_commit); + strvec_push(&args, opt_commit); if (opt_edit) - argv_array_push(&args, opt_edit); + strvec_push(&args, opt_edit); if (cleanup_arg) - argv_array_pushf(&args, "--cleanup=%s", cleanup_arg); + strvec_pushf(&args, "--cleanup=%s", cleanup_arg); if (opt_ff) - argv_array_push(&args, opt_ff); + strvec_push(&args, opt_ff); if (opt_verify_signatures) - argv_array_push(&args, opt_verify_signatures); - argv_array_pushv(&args, opt_strategies.argv); - argv_array_pushv(&args, opt_strategy_opts.argv); + strvec_push(&args, opt_verify_signatures); + strvec_pushv(&args, opt_strategies.v); + strvec_pushv(&args, opt_strategy_opts.v); if (opt_gpg_sign) - argv_array_push(&args, opt_gpg_sign); + strvec_push(&args, opt_gpg_sign); + if (opt_autostash == 0) + strvec_push(&args, "--no-autostash"); + else if (opt_autostash == 1) + strvec_push(&args, "--autostash"); if (opt_allow_unrelated_histories > 0) - argv_array_push(&args, "--allow-unrelated-histories"); + strvec_push(&args, "--allow-unrelated-histories"); - argv_array_push(&args, "FETCH_HEAD"); - ret = run_command_v_opt(args.argv, RUN_GIT_CMD); - argv_array_clear(&args); + strvec_push(&args, "FETCH_HEAD"); + ret = run_command_v_opt(args.v, RUN_GIT_CMD); + strvec_clear(&args); return ret; } @@ -760,8 +787,8 @@ static int get_rebase_fork_point(struct object_id *fork_point, const char *repo, if (!remote_branch) return -1; - argv_array_pushl(&cp.args, "merge-base", "--fork-point", - remote_branch, curr_branch->name, NULL); + strvec_pushl(&cp.args, "merge-base", "--fork-point", + remote_branch, curr_branch->name, NULL); cp.no_stdin = 1; cp.no_stderr = 1; cp.git_cmd = 1; @@ -812,67 +839,124 @@ static int get_octopus_merge_base(struct object_id *merge_base, /** * Given the current HEAD oid, the merge head returned from git-fetch and the - * fork point calculated by get_rebase_fork_point(), runs git-rebase with the - * appropriate arguments and returns its exit status. + * fork point calculated by get_rebase_fork_point(), compute the <newbase> and + * <upstream> arguments to use for the upcoming git-rebase invocation. */ -static int run_rebase(const struct object_id *curr_head, +static int get_rebase_newbase_and_upstream(struct object_id *newbase, + struct object_id *upstream, + const struct object_id *curr_head, const struct object_id *merge_head, const struct object_id *fork_point) { - int ret; struct object_id oct_merge_base; - struct argv_array args = ARGV_ARRAY_INIT; if (!get_octopus_merge_base(&oct_merge_base, curr_head, merge_head, fork_point)) if (!is_null_oid(fork_point) && oideq(&oct_merge_base, fork_point)) fork_point = NULL; - argv_array_push(&args, "rebase"); + if (fork_point && !is_null_oid(fork_point)) + oidcpy(upstream, fork_point); + else + oidcpy(upstream, merge_head); + + oidcpy(newbase, merge_head); + + return 0; +} + +/** + * Given the <newbase> and <upstream> calculated by + * get_rebase_newbase_and_upstream(), runs git-rebase with the + * appropriate arguments and returns its exit status. + */ +static int run_rebase(const struct object_id *newbase, + const struct object_id *upstream) +{ + int ret; + struct strvec args = STRVEC_INIT; + + strvec_push(&args, "rebase"); /* Shared options */ argv_push_verbosity(&args); /* Options passed to git-rebase */ if (opt_rebase == REBASE_MERGES) - argv_array_push(&args, "--rebase-merges"); + strvec_push(&args, "--rebase-merges"); else if (opt_rebase == REBASE_PRESERVE) - argv_array_push(&args, "--preserve-merges"); + strvec_push(&args, "--preserve-merges"); else if (opt_rebase == REBASE_INTERACTIVE) - argv_array_push(&args, "--interactive"); + strvec_push(&args, "--interactive"); if (opt_diffstat) - argv_array_push(&args, opt_diffstat); - argv_array_pushv(&args, opt_strategies.argv); - argv_array_pushv(&args, opt_strategy_opts.argv); + strvec_push(&args, opt_diffstat); + strvec_pushv(&args, opt_strategies.v); + strvec_pushv(&args, opt_strategy_opts.v); if (opt_gpg_sign) - argv_array_push(&args, opt_gpg_sign); + strvec_push(&args, opt_gpg_sign); + if (opt_signoff) + strvec_push(&args, opt_signoff); if (opt_autostash == 0) - argv_array_push(&args, "--no-autostash"); + strvec_push(&args, "--no-autostash"); else if (opt_autostash == 1) - argv_array_push(&args, "--autostash"); + strvec_push(&args, "--autostash"); if (opt_verify_signatures && !strcmp(opt_verify_signatures, "--verify-signatures")) warning(_("ignoring --verify-signatures for rebase")); - argv_array_push(&args, "--onto"); - argv_array_push(&args, oid_to_hex(merge_head)); + strvec_push(&args, "--onto"); + strvec_push(&args, oid_to_hex(newbase)); - if (fork_point && !is_null_oid(fork_point)) - argv_array_push(&args, oid_to_hex(fork_point)); - else - argv_array_push(&args, oid_to_hex(merge_head)); + strvec_push(&args, oid_to_hex(upstream)); - ret = run_command_v_opt(args.argv, RUN_GIT_CMD); - argv_array_clear(&args); + ret = run_command_v_opt(args.v, RUN_GIT_CMD); + strvec_clear(&args); return ret; } +static int get_can_ff(struct object_id *orig_head, + struct oid_array *merge_heads) +{ + int ret; + struct commit_list *list = NULL; + struct commit *merge_head, *head; + struct object_id *orig_merge_head; + + if (merge_heads->nr > 1) + return 0; + + orig_merge_head = &merge_heads->oid[0]; + head = lookup_commit_reference(the_repository, orig_head); + commit_list_insert(head, &list); + merge_head = lookup_commit_reference(the_repository, orig_merge_head); + ret = repo_is_descendant_of(the_repository, merge_head, list); + free_commit_list(list); + return ret; +} + +static void show_advice_pull_non_ff(void) +{ + advise(_("You have divergent branches and need to specify how to reconcile them.\n" + "You can do so by running one of the following commands sometime before\n" + "your next pull:\n" + "\n" + " git config pull.rebase false # merge (the default strategy)\n" + " git config pull.rebase true # rebase\n" + " git config pull.ff only # fast-forward only\n" + "\n" + "You can replace \"git config\" with \"git config --global\" to set a default\n" + "preference for all repositories. You can also pass --rebase, --no-rebase,\n" + "or --ff-only on the command line to override the configured default per\n" + "invocation.\n")); +} + int cmd_pull(int argc, const char **argv, const char *prefix) { const char *repo, **refspecs; struct oid_array merge_heads = OID_ARRAY_INIT; struct object_id orig_head, curr_head; struct object_id rebase_fork_point; - int autostash; + int rebase_unspecified = 0; + int can_ff; if (!getenv("GIT_REFLOG_ACTION")) set_reflog_message(argc, argv); @@ -890,11 +974,25 @@ int cmd_pull(int argc, const char **argv, const char *prefix) parse_repo_refspecs(argc, argv, &repo, &refspecs); - if (!opt_ff) + if (!opt_ff) { opt_ff = xstrdup_or_null(config_get_ff()); + /* + * A subtle point: opt_ff was set on the line above via + * reading from config. opt_rebase, in contrast, is set + * before this point via command line options. The setting + * of opt_rebase via reading from config (using + * config_get_rebase()) does not happen until later. We + * are relying on the next if-condition happening before + * the config_get_rebase() call so that an explicit + * "--rebase" can override a config setting of + * pull.ff=only. + */ + if (opt_rebase >= 0 && opt_ff && !strcmp(opt_ff, "--ff-only")) + opt_ff = "--ff"; + } if (opt_rebase < 0) - opt_rebase = config_get_rebase(); + opt_rebase = config_get_rebase(&rebase_unspecified); if (read_cache_unmerged()) die_resolve_conflict("pull"); @@ -905,11 +1003,8 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (get_oid("HEAD", &orig_head)) oidclr(&orig_head); - if (!opt_rebase && opt_autostash != -1) - die(_("--[no-]autostash option is only valid with --rebase.")); - - autostash = config_autostash; if (opt_rebase) { + int autostash = config_autostash; if (opt_autostash != -1) autostash = opt_autostash; @@ -968,31 +1063,47 @@ int cmd_pull(int argc, const char **argv, const char *prefix) die(_("Cannot merge multiple branches into empty head.")); return pull_into_void(merge_heads.oid, &curr_head); } - if (opt_rebase && merge_heads.nr > 1) - die(_("Cannot rebase onto multiple branches.")); + if (merge_heads.nr > 1) { + if (opt_rebase) + die(_("Cannot rebase onto multiple branches.")); + if (opt_ff && !strcmp(opt_ff, "--ff-only")) + die(_("Cannot fast-forward to multiple branches.")); + } + + can_ff = get_can_ff(&orig_head, &merge_heads); + + /* ff-only takes precedence over rebase */ + if (opt_ff && !strcmp(opt_ff, "--ff-only")) { + if (!can_ff) + die_ff_impossible(); + opt_rebase = REBASE_FALSE; + } + /* If no action specified and we can't fast forward, then warn. */ + if (!opt_ff && rebase_unspecified && !can_ff) { + show_advice_pull_non_ff(); + die(_("Need to specify how to reconcile divergent branches.")); + } if (opt_rebase) { int ret = 0; + + struct object_id newbase; + struct object_id upstream; + get_rebase_newbase_and_upstream(&newbase, &upstream, &curr_head, + merge_heads.oid, &rebase_fork_point); + if ((recurse_submodules == RECURSE_SUBMODULES_ON || recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) && - submodule_touches_in_range(the_repository, &rebase_fork_point, &curr_head)) + submodule_touches_in_range(the_repository, &upstream, &curr_head)) die(_("cannot rebase with locally recorded submodule modifications")); - if (!autostash) { - struct commit_list *list = NULL; - struct commit *merge_head, *head; - - head = lookup_commit_reference(the_repository, - &orig_head); - commit_list_insert(head, &list); - merge_head = lookup_commit_reference(the_repository, - &merge_heads.oid[0]); - if (is_descendant_of(merge_head, list)) { - /* we can fast-forward this without invoking rebase */ - opt_ff = "--ff-only"; - ret = run_merge(); - } + + if (can_ff) { + /* we can fast-forward this without invoking rebase */ + opt_ff = "--ff-only"; + ret = run_merge(); + } else { + ret = run_rebase(&newbase, &upstream); } - ret = run_rebase(&curr_head, merge_heads.oid, &rebase_fork_point); if (!ret && (recurse_submodules == RECURSE_SUBMODULES_ON || recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)) diff --git a/builtin/push.c b/builtin/push.c index 021dd3b1e4..e8b10a9b7e 100644 --- a/builtin/push.c +++ b/builtin/push.c @@ -61,40 +61,41 @@ static struct refspec rs = REFSPEC_INIT_PUSH; static struct string_list push_options_config = STRING_LIST_INIT_DUP; -static const char *map_refspec(const char *ref, - struct remote *remote, struct ref *local_refs) +static void refspec_append_mapped(struct refspec *refspec, const char *ref, + struct remote *remote, struct ref *local_refs) { + const char *branch_name; struct ref *matched = NULL; /* Does "ref" uniquely name our ref? */ - if (count_refspec_match(ref, local_refs, &matched) != 1) - return ref; + if (count_refspec_match(ref, local_refs, &matched) != 1) { + refspec_append(refspec, ref); + return; + } if (remote->push.nr) { struct refspec_item query; memset(&query, 0, sizeof(struct refspec_item)); query.src = matched->name; if (!query_refspecs(&remote->push, &query) && query.dst) { - struct strbuf buf = STRBUF_INIT; - strbuf_addf(&buf, "%s%s:%s", - query.force ? "+" : "", - query.src, query.dst); - return strbuf_detach(&buf, NULL); + refspec_appendf(refspec, "%s%s:%s", + query.force ? "+" : "", + query.src, query.dst); + return; } } if (push_default == PUSH_DEFAULT_UPSTREAM && - starts_with(matched->name, "refs/heads/")) { - struct branch *branch = branch_get(matched->name + 11); + skip_prefix(matched->name, "refs/heads/", &branch_name)) { + struct branch *branch = branch_get(branch_name); if (branch->merge_nr == 1 && branch->merge[0]->src) { - struct strbuf buf = STRBUF_INIT; - strbuf_addf(&buf, "%s:%s", - ref, branch->merge[0]->src); - return strbuf_detach(&buf, NULL); + refspec_appendf(refspec, "%s:%s", + ref, branch->merge[0]->src); + return; } } - return ref; + refspec_append(refspec, ref); } static void set_refspecs(const char **refs, int nr, const char *repo) @@ -106,30 +107,26 @@ static void set_refspecs(const char **refs, int nr, const char *repo) for (i = 0; i < nr; i++) { const char *ref = refs[i]; if (!strcmp("tag", ref)) { - struct strbuf tagref = STRBUF_INIT; if (nr <= ++i) die(_("tag shorthand without <tag>")); ref = refs[i]; if (deleterefs) - strbuf_addf(&tagref, ":refs/tags/%s", ref); + refspec_appendf(&rs, ":refs/tags/%s", ref); else - strbuf_addf(&tagref, "refs/tags/%s", ref); - ref = strbuf_detach(&tagref, NULL); + refspec_appendf(&rs, "refs/tags/%s", ref); } else if (deleterefs) { - struct strbuf delref = STRBUF_INIT; - if (strchr(ref, ':')) + if (strchr(ref, ':') || !*ref) die(_("--delete only accepts plain target ref names")); - strbuf_addf(&delref, ":%s", ref); - ref = strbuf_detach(&delref, NULL); + refspec_appendf(&rs, ":%s", ref); } else if (!strchr(ref, ':')) { if (!remote) { /* lazily grab remote and local_refs */ remote = remote_get(repo); local_refs = get_local_heads(); } - ref = map_refspec(ref, remote, local_refs); - } - refspec_append(&rs, ref); + refspec_append_mapped(&rs, ref, remote, local_refs); + } else + refspec_append(&rs, ref); } } @@ -143,8 +140,8 @@ static int push_url_of_remote(struct remote *remote, const char ***url_p) return remote->url_nr; } -static NORETURN int die_push_simple(struct branch *branch, - struct remote *remote) +static NORETURN void die_push_simple(struct branch *branch, + struct remote *remote) { /* * There's no point in using shorten_unambiguous_ref here, @@ -188,88 +185,73 @@ static const char message_detached_head_die[] = "\n" " git push %s HEAD:<name-of-remote-branch>\n"); -static void setup_push_upstream(struct remote *remote, struct branch *branch, - int triangular, int simple) +static const char *get_upstream_ref(struct branch *branch, const char *remote_name) { - struct strbuf refspec = STRBUF_INIT; - - if (!branch) - die(_(message_detached_head_die), remote->name); if (!branch->merge_nr || !branch->merge || !branch->remote_name) die(_("The current branch %s has no upstream branch.\n" "To push the current branch and set the remote as upstream, use\n" "\n" " git push --set-upstream %s %s\n"), branch->name, - remote->name, + remote_name, branch->name); if (branch->merge_nr != 1) die(_("The current branch %s has multiple upstream branches, " "refusing to push."), branch->name); - if (triangular) - die(_("You are pushing to remote '%s', which is not the upstream of\n" - "your current branch '%s', without telling me what to push\n" - "to update which remote branch."), - remote->name, branch->name); - - if (simple) { - /* Additional safety */ - if (strcmp(branch->refname, branch->merge[0]->src)) - die_push_simple(branch, remote); - } - - strbuf_addf(&refspec, "%s:%s", branch->refname, branch->merge[0]->src); - refspec_append(&rs, refspec.buf); -} - -static void setup_push_current(struct remote *remote, struct branch *branch) -{ - struct strbuf refspec = STRBUF_INIT; - - if (!branch) - die(_(message_detached_head_die), remote->name); - strbuf_addf(&refspec, "%s:%s", branch->refname, branch->refname); - refspec_append(&rs, refspec.buf); -} -static int is_workflow_triangular(struct remote *remote) -{ - struct remote *fetch_remote = remote_get(NULL); - return (fetch_remote && fetch_remote != remote); + return branch->merge[0]->src; } static void setup_default_push_refspecs(struct remote *remote) { - struct branch *branch = branch_get(NULL); - int triangular = is_workflow_triangular(remote); + struct branch *branch; + const char *dst; + int same_remote; switch (push_default) { - default: case PUSH_DEFAULT_MATCHING: refspec_append(&rs, ":"); + return; + + case PUSH_DEFAULT_NOTHING: + die(_("You didn't specify any refspecs to push, and " + "push.default is \"nothing\".")); + return; + default: break; + } + + branch = branch_get(NULL); + if (!branch) + die(_(message_detached_head_die), remote->name); + + dst = branch->refname; + same_remote = !strcmp(remote->name, remote_for_branch(branch, NULL)); + switch (push_default) { + default: case PUSH_DEFAULT_UNSPECIFIED: case PUSH_DEFAULT_SIMPLE: - if (triangular) - setup_push_current(remote, branch); - else - setup_push_upstream(remote, branch, triangular, 1); + if (!same_remote) + break; + if (strcmp(branch->refname, get_upstream_ref(branch, remote->name))) + die_push_simple(branch, remote); break; case PUSH_DEFAULT_UPSTREAM: - setup_push_upstream(remote, branch, triangular, 0); + if (!same_remote) + die(_("You are pushing to remote '%s', which is not the upstream of\n" + "your current branch '%s', without telling me what to push\n" + "to update which remote branch."), + remote->name, branch->name); + dst = get_upstream_ref(branch, remote->name); break; case PUSH_DEFAULT_CURRENT: - setup_push_current(remote, branch); - break; - - case PUSH_DEFAULT_NOTHING: - die(_("You didn't specify any refspecs to push, and " - "push.default is \"nothing\".")); break; } + + refspec_appendf(&rs, "%s:%s", branch->refname, dst); } static const char message_advice_pull_before_push[] = @@ -299,6 +281,12 @@ static const char message_advice_ref_needs_force[] = "or update a remote ref to make it point at a non-commit object,\n" "without using the '--force' option.\n"); +static const char message_advice_ref_needs_update[] = + N_("Updates were rejected because the tip of the remote-tracking\n" + "branch has been updated since the last checkout. You may want\n" + "to integrate those changes locally (e.g., 'git pull ...')\n" + "before forcing an update.\n"); + static void advise_pull_before_push(void) { if (!advice_push_non_ff_current || !advice_push_update_rejected) @@ -334,11 +322,19 @@ static void advise_ref_needs_force(void) advise(_(message_advice_ref_needs_force)); } +static void advise_ref_needs_update(void) +{ + if (!advice_push_ref_needs_update || !advice_push_update_rejected) + return; + advise(_(message_advice_ref_needs_update)); +} + static int push_with_options(struct transport *transport, struct refspec *rs, int flags) { int err; unsigned int reject_reasons; + char *anon_url = transport_anonymize_url(transport->url); transport_set_verbosity(transport, verbosity, progress); transport->family = family; @@ -356,16 +352,19 @@ static int push_with_options(struct transport *transport, struct refspec *rs, } if (verbosity > 0) - fprintf(stderr, _("Pushing to %s\n"), transport->url); + fprintf(stderr, _("Pushing to %s\n"), anon_url); + trace2_region_enter("push", "transport_push", the_repository); err = transport_push(the_repository, transport, rs, flags, &reject_reasons); + trace2_region_leave("push", "transport_push", the_repository); if (err != 0) { fprintf(stderr, "%s", push_get_color(PUSH_COLOR_ERROR)); - error(_("failed to push some refs to '%s'"), transport->url); + error(_("failed to push some refs to '%s'"), anon_url); fprintf(stderr, "%s", push_get_color(PUSH_COLOR_RESET)); } err |= transport_disconnect(transport); + free(anon_url); if (!err) return 0; @@ -379,36 +378,22 @@ static int push_with_options(struct transport *transport, struct refspec *rs, advise_ref_fetch_first(); } else if (reject_reasons & REJECT_NEEDS_FORCE) { advise_ref_needs_force(); + } else if (reject_reasons & REJECT_REF_NEEDS_UPDATE) { + advise_ref_needs_update(); } return 1; } -static int do_push(const char *repo, int flags, - const struct string_list *push_options) +static int do_push(int flags, + const struct string_list *push_options, + struct remote *remote) { int i, errs; - struct remote *remote = pushremote_get(repo); const char **url; int url_nr; struct refspec *push_refspec = &rs; - if (!remote) { - if (repo) - die(_("bad repository '%s'"), repo); - die(_("No configured push destination.\n" - "Either specify the URL from the command-line or configure a remote repository using\n" - "\n" - " git remote add <name> <url>\n" - "\n" - "and then push using the remote name\n" - "\n" - " git push <name>\n")); - } - - if (remote->mirror) - flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE); - if (push_options->nr) flags |= TRANSPORT_PUSH_OPTIONS; @@ -447,10 +432,8 @@ static int option_parse_recurse_submodules(const struct option *opt, if (unset) *recurse_submodules = RECURSE_SUBMODULES_OFF; - else if (arg) - *recurse_submodules = parse_push_recurse_submodules_arg(opt->long_name, arg); else - die("%s missing parameter", opt->long_name); + *recurse_submodules = parse_push_recurse_submodules_arg(opt->long_name, arg); return 0; } @@ -533,6 +516,12 @@ static int git_push_config(const char *k, const char *v, void *cb) if (!v) return config_error_nonbool(k); return color_parse(v, push_colors[slot]); + } else if (!strcmp(k, "push.useforceifincludes")) { + if (git_config_bool(k, v)) + *flags |= TRANSPORT_PUSH_FORCE_IF_INCLUDES; + else + *flags &= ~TRANSPORT_PUSH_FORCE_IF_INCLUDES; + return 0; } return git_default_config(k, v, NULL); @@ -548,6 +537,7 @@ int cmd_push(int argc, const char **argv, const char *prefix) struct string_list push_options_cmdline = STRING_LIST_INIT_DUP; struct string_list *push_options; const struct string_list_item *item; + struct remote *remote; struct option options[] = { OPT__VERBOSITY(&verbosity), @@ -560,13 +550,14 @@ int cmd_push(int argc, const char **argv, const char *prefix) OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN), OPT_BIT( 0, "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN), OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE), - { OPTION_CALLBACK, - 0, CAS_OPT_NAME, &cas, N_("<refname>:<expect>"), - N_("require old value of ref to be at this value"), - PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP, parseopt_push_cas_option }, - { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules, "(check|on-demand|no)", - N_("control recursive pushing of submodules"), - PARSE_OPT_OPTARG, option_parse_recurse_submodules }, + OPT_CALLBACK_F(0, CAS_OPT_NAME, &cas, N_("<refname>:<expect>"), + N_("require old value of ref to be at this value"), + PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP, parseopt_push_cas_option), + OPT_BIT(0, TRANS_OPT_FORCE_IF_INCLUDES, &flags, + N_("require remote updates to be integrated locally"), + TRANSPORT_PUSH_FORCE_IF_INCLUDES), + OPT_CALLBACK(0, "recurse-submodules", &recurse_submodules, "(check|on-demand|no)", + N_("control recursive pushing of submodules"), option_parse_recurse_submodules), OPT_BOOL_F( 0 , "thin", &thin, N_("use thin pack"), PARSE_OPT_NOCOMPLETE), OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")), OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")), @@ -578,9 +569,8 @@ int cmd_push(int argc, const char **argv, const char *prefix) OPT_BIT(0, "no-verify", &flags, N_("bypass pre-push hook"), TRANSPORT_PUSH_NO_HOOK), OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"), TRANSPORT_PUSH_FOLLOW_TAGS), - { OPTION_CALLBACK, - 0, "signed", &push_cert, "(yes|no|if-asked)", N_("GPG sign the push"), - PARSE_OPT_OPTARG, option_parse_push_signed }, + OPT_CALLBACK_F(0, "signed", &push_cert, "(yes|no|if-asked)", N_("GPG sign the push"), + PARSE_OPT_OPTARG, option_parse_push_signed), OPT_BIT(0, "atomic", &flags, N_("request atomic transaction on remote side"), TRANSPORT_PUSH_ATOMIC), OPT_STRING_LIST('o', "push-option", &push_options_cmdline, N_("server-specific"), N_("option to transmit")), OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"), @@ -602,20 +592,6 @@ int cmd_push(int argc, const char **argv, const char *prefix) die(_("--delete is incompatible with --all, --mirror and --tags")); if (deleterefs && argc < 2) die(_("--delete doesn't make sense without any refs")); - if (flags & TRANSPORT_PUSH_ALL) { - if (tags) - die(_("--all and --tags are incompatible")); - if (argc >= 2) - die(_("--all can't be combined with refspecs")); - } - if (flags & TRANSPORT_PUSH_MIRROR) { - if (tags) - die(_("--mirror and --tags are incompatible")); - if (argc >= 2) - die(_("--mirror can't be combined with refspecs")); - } - if ((flags & TRANSPORT_PUSH_ALL) && (flags & TRANSPORT_PUSH_MIRROR)) - die(_("--all and --mirror are incompatible")); if (recurse_submodules == RECURSE_SUBMODULES_CHECK) flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK; @@ -632,11 +608,46 @@ int cmd_push(int argc, const char **argv, const char *prefix) set_refspecs(argv + 1, argc - 1, repo); } + remote = pushremote_get(repo); + if (!remote) { + if (repo) + die(_("bad repository '%s'"), repo); + die(_("No configured push destination.\n" + "Either specify the URL from the command-line or configure a remote repository using\n" + "\n" + " git remote add <name> <url>\n" + "\n" + "and then push using the remote name\n" + "\n" + " git push <name>\n")); + } + + if (remote->mirror) + flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE); + + if (flags & TRANSPORT_PUSH_ALL) { + if (tags) + die(_("--all and --tags are incompatible")); + if (argc >= 2) + die(_("--all can't be combined with refspecs")); + } + if (flags & TRANSPORT_PUSH_MIRROR) { + if (tags) + die(_("--mirror and --tags are incompatible")); + if (argc >= 2) + die(_("--mirror can't be combined with refspecs")); + } + if ((flags & TRANSPORT_PUSH_ALL) && (flags & TRANSPORT_PUSH_MIRROR)) + die(_("--all and --mirror are incompatible")); + + if (!is_empty_cas(&cas) && (flags & TRANSPORT_PUSH_FORCE_IF_INCLUDES)) + cas.use_force_if_includes = 1; + for_each_string_list_item(item, push_options) if (strchr(item->string, '\n')) die(_("push options must not have new line characters")); - rc = do_push(repo, flags, push_options); + rc = do_push(flags, push_options, remote); string_list_clear(&push_options_cmdline, 0); string_list_clear(&push_options_config, 0); if (rc == -1) diff --git a/builtin/range-diff.c b/builtin/range-diff.c index 784bd19321..50318849d6 100644 --- a/builtin/range-diff.c +++ b/builtin/range-diff.c @@ -3,6 +3,7 @@ #include "parse-options.h" #include "range-diff.h" #include "config.h" +#include "revision.h" static const char * const builtin_range_diff_usage[] = { N_("git range-diff [<options>] <old-base>..<old-tip> <new-base>..<new-tip>"), @@ -13,14 +14,27 @@ NULL int cmd_range_diff(int argc, const char **argv, const char *prefix) { - int creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT; struct diff_options diffopt = { NULL }; - int simple_color = -1; + struct strvec other_arg = STRVEC_INIT; + struct range_diff_options range_diff_opts = { + .creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT, + .diffopt = &diffopt, + .other_arg = &other_arg + }; + int simple_color = -1, left_only = 0, right_only = 0; struct option range_diff_options[] = { - OPT_INTEGER(0, "creation-factor", &creation_factor, - N_("Percentage by which creation is weighted")), + OPT_INTEGER(0, "creation-factor", + &range_diff_opts.creation_factor, + N_("percentage by which creation is weighted")), OPT_BOOL(0, "no-dual-color", &simple_color, N_("use simple diff colors")), + OPT_PASSTHRU_ARGV(0, "notes", &other_arg, + N_("notes"), N_("passed to 'git log'"), + PARSE_OPT_OPTARG), + OPT_BOOL(0, "left-only", &left_only, + N_("only emit output related to the first range")), + OPT_BOOL(0, "right-only", &right_only, + N_("only emit output related to the second range")), OPT_END() }; struct option *options; @@ -32,7 +46,7 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix) repo_diff_setup(the_repository, &diffopt); options = parse_options_concat(range_diff_options, diffopt.parseopts); - argc = parse_options(argc, argv, NULL, options, + argc = parse_options(argc, argv, prefix, options, builtin_range_diff_usage, 0); diff_setup_done(&diffopt); @@ -42,12 +56,12 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix) diffopt.use_color = 1; if (argc == 2) { - if (!strstr(argv[0], "..")) - die(_("no .. in range: '%s'"), argv[0]); + if (!is_range_diff_range(argv[0])) + die(_("not a commit range: '%s'"), argv[0]); strbuf_addstr(&range1, argv[0]); - if (!strstr(argv[1], "..")) - die(_("no .. in range: '%s'"), argv[1]); + if (!is_range_diff_range(argv[1])) + die(_("not a commit range: '%s'"), argv[1]); strbuf_addstr(&range2, argv[1]); } else if (argc == 3) { strbuf_addf(&range1, "%s..%s", argv[0], argv[1]); @@ -77,9 +91,12 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix) } FREE_AND_NULL(options); - res = show_range_diff(range1.buf, range2.buf, creation_factor, - simple_color < 1, &diffopt); + range_diff_opts.dual_color = simple_color < 1; + range_diff_opts.left_only = left_only; + range_diff_opts.right_only = right_only; + res = show_range_diff(range1.buf, range2.buf, &range_diff_opts); + strvec_clear(&other_arg); strbuf_release(&range1); strbuf_release(&range2); diff --git a/builtin/read-tree.c b/builtin/read-tree.c index 5c9c082595..485e7b0479 100644 --- a/builtin/read-tree.c +++ b/builtin/read-tree.c @@ -111,7 +111,7 @@ static int git_read_tree_config(const char *var, const char *value, void *cb) return git_default_config(var, value, cb); } -int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) +int cmd_read_tree(int argc, const char **argv, const char *cmd_prefix) { int i, stage = 0; struct object_id oid; @@ -120,9 +120,9 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) int prefix_set = 0; struct lock_file lock_file = LOCK_INIT; const struct option read_tree_options[] = { - { OPTION_CALLBACK, 0, "index-output", NULL, N_("file"), + OPT_CALLBACK_F(0, "index-output", NULL, N_("file"), N_("write resulting index to <file>"), - PARSE_OPT_NONEG, index_output_cb }, + PARSE_OPT_NONEG, index_output_cb), OPT_BOOL(0, "empty", &read_empty, N_("only empty the index")), OPT__VERBOSE(&opts.verbose_update, N_("be verbose")), @@ -140,10 +140,10 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) PARSE_OPT_NONEG }, OPT_BOOL('u', NULL, &opts.update, N_("update working tree with merge result")), - { OPTION_CALLBACK, 0, "exclude-per-directory", &opts, + OPT_CALLBACK_F(0, "exclude-per-directory", &opts, N_("gitignore"), N_("allow explicitly ignored files to be overwritten"), - PARSE_OPT_NONEG, exclude_per_directory_cb }, + PARSE_OPT_NONEG, exclude_per_directory_cb), OPT_BOOL('i', NULL, &opts.index_only, N_("don't check the working tree after merging")), OPT__DRY_RUN(&opts.dry_run, N_("don't update the index or the work tree")), @@ -151,9 +151,9 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) N_("skip applying sparse checkout filter")), OPT_BOOL(0, "debug-unpack", &opts.debug_unpack, N_("debug unpack-trees")), - { OPTION_CALLBACK, 0, "recurse-submodules", NULL, + OPT_CALLBACK_F(0, "recurse-submodules", NULL, "checkout", "control recursive updating of submodules", - PARSE_OPT_OPTARG, option_parse_recurse_submodules_worktree_updater }, + PARSE_OPT_OPTARG, option_parse_recurse_submodules_worktree_updater), OPT__QUIET(&opts.quiet, N_("suppress feedback messages")), OPT_END() }; @@ -165,7 +165,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) git_config(git_read_tree_config, NULL); - argc = parse_options(argc, argv, unused_prefix, read_tree_options, + argc = parse_options(argc, argv, cmd_prefix, read_tree_options, read_tree_usage, 0); hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); @@ -185,7 +185,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) if (opts.reset || opts.merge || opts.prefix) { if (read_cache_unmerged() && (opts.prefix || opts.merge)) - die("You need to resolve your current index first"); + die(_("You need to resolve your current index first")); stage = opts.merge = 1; } resolve_undo_clear(); diff --git a/builtin/rebase.c b/builtin/rebase.c index 2748fa6f2e..c284a7ace1 100644 --- a/builtin/rebase.c +++ b/builtin/rebase.c @@ -8,7 +8,7 @@ #include "builtin.h" #include "run-command.h" #include "exec-cmd.h" -#include "argv-array.h" +#include "strvec.h" #include "dir.h" #include "packfile.h" #include "refs.h" @@ -27,10 +27,13 @@ #include "branch.h" #include "sequencer.h" #include "rebase-interactive.h" +#include "reset.h" + +#define DEFAULT_REFLOG_ACTION "rebase" static char const * const builtin_rebase_usage[] = { - N_("git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] " - "[<upstream>] [<branch>]"), + N_("git rebase [-i] [options] [--exec <cmd>] " + "[--onto <newbase> | --keep-base] [<upstream> [<branch>]]"), N_("git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] " "--root [<branch>]"), N_("git rebase --continue | --abort | --skip | --edit-todo"), @@ -44,14 +47,22 @@ static GIT_PATH_FUNC(merge_dir, "rebase-merge") enum rebase_type { REBASE_UNSPECIFIED = -1, - REBASE_AM, + REBASE_APPLY, REBASE_MERGE, - REBASE_INTERACTIVE, REBASE_PRESERVE_MERGES }; +enum empty_type { + EMPTY_UNSPECIFIED = -1, + EMPTY_DROP, + EMPTY_KEEP, + EMPTY_ASK +}; + struct rebase_options { enum rebase_type type; + enum empty_type empty; + const char *default_backend; const char *state_dir; struct commit *upstream; const char *upstream_name; @@ -62,7 +73,7 @@ struct rebase_options { const char *onto_name; const char *revisions; const char *switch_to; - int root; + int root, root_with_onto; struct object_id *squash_onto; struct commit *restrict_revision; int dont_finish_rebase; @@ -73,7 +84,7 @@ struct rebase_options { REBASE_FORCE = 1<<3, REBASE_INTERACTIVE_EXPLICIT = 1<<4, } flags; - struct argv_array git_am_opts; + struct strvec git_am_opts; const char *action; int signoff; int allow_rerere_autoupdate; @@ -81,20 +92,27 @@ struct rebase_options { int autosquash; char *gpg_sign_opt; int autostash; + int committer_date_is_author_date; + int ignore_date; char *cmd; int allow_empty_message; int rebase_merges, rebase_cousins; char *strategy, *strategy_opts; struct strbuf git_format_patch_opt; int reschedule_failed_exec; - int use_legacy_rebase; + int reapply_cherry_picks; + int fork_point; }; #define REBASE_OPTIONS_INIT { \ .type = REBASE_UNSPECIFIED, \ + .empty = EMPTY_UNSPECIFIED, \ + .keep_empty = 1, \ + .default_backend = "merge", \ .flags = REBASE_NO_QUIET, \ - .git_am_opts = ARGV_ARRAY_INIT, \ - .git_format_patch_opt = STRBUF_INIT \ + .git_am_opts = STRVEC_INIT, \ + .git_format_patch_opt = STRBUF_INIT, \ + .fork_point = -1, \ } static struct replay_opts get_replay_opts(const struct rebase_options *opts) @@ -102,6 +120,7 @@ static struct replay_opts get_replay_opts(const struct rebase_options *opts) struct replay_opts replay = REPLAY_OPTS_INIT; replay.action = REPLAY_INTERACTIVE_REBASE; + replay.strategy = NULL; sequencer_init_config(&replay); replay.signoff = opts->signoff; @@ -110,13 +129,30 @@ static struct replay_opts get_replay_opts(const struct rebase_options *opts) replay.allow_rerere_auto = opts->allow_rerere_autoupdate; replay.allow_empty = 1; replay.allow_empty_message = opts->allow_empty_message; + replay.drop_redundant_commits = (opts->empty == EMPTY_DROP); + replay.keep_redundant_commits = (opts->empty == EMPTY_KEEP); + replay.quiet = !(opts->flags & REBASE_NO_QUIET); replay.verbose = opts->flags & REBASE_VERBOSE; replay.reschedule_failed_exec = opts->reschedule_failed_exec; + replay.committer_date_is_author_date = + opts->committer_date_is_author_date; + replay.ignore_date = opts->ignore_date; replay.gpg_sign = xstrdup_or_null(opts->gpg_sign_opt); - replay.strategy = opts->strategy; + if (opts->strategy) + replay.strategy = xstrdup_or_null(opts->strategy); + else if (!replay.strategy && replay.default_strategy) { + replay.strategy = replay.default_strategy; + replay.default_strategy = NULL; + } + if (opts->strategy_opts) parse_strategy_opts(&replay, opts->strategy_opts); + if (opts->squash_onto) { + oidcpy(&replay.squash_onto, opts->squash_onto); + replay.have_squash_onto = 1; + } + return replay; } @@ -241,21 +277,16 @@ static int edit_todo_file(unsigned flags) } static int get_revision_ranges(struct commit *upstream, struct commit *onto, - const char **head_hash, - char **revisions, char **shortrevisions) + struct object_id *orig_head, char **revisions, + char **shortrevisions) { struct commit *base_rev = upstream ? upstream : onto; const char *shorthead; - struct object_id orig_head; - - if (get_oid("HEAD", &orig_head)) - return error(_("no HEAD?")); - *head_hash = find_unique_abbrev(&orig_head, GIT_MAX_HEXSZ); *revisions = xstrfmt("%s...%s", oid_to_hex(&base_rev->object.oid), - *head_hash); + oid_to_hex(orig_head)); - shorthead = find_unique_abbrev(&orig_head, DEFAULT_ABBREV); + shorthead = find_unique_abbrev(orig_head, DEFAULT_ABBREV); if (upstream) { const char *shortrev; @@ -271,7 +302,8 @@ static int get_revision_ranges(struct commit *upstream, struct commit *onto, } static int init_basic_state(struct replay_opts *opts, const char *head_name, - struct commit *onto, const char *orig_head) + struct commit *onto, + const struct object_id *orig_head) { FILE *interactive; @@ -302,24 +334,19 @@ static void split_exec_commands(const char *cmd, struct string_list *commands) static int do_interactive_rebase(struct rebase_options *opts, unsigned flags) { int ret; - const char *head_hash = NULL; char *revisions = NULL, *shortrevisions = NULL; - struct argv_array make_script_args = ARGV_ARRAY_INIT; + struct strvec make_script_args = STRVEC_INIT; struct todo_list todo_list = TODO_LIST_INIT; struct replay_opts replay = get_replay_opts(opts); struct string_list commands = STRING_LIST_INIT_DUP; - if (prepare_branch_to_be_rebased(the_repository, &replay, - opts->switch_to)) - return -1; - - if (get_revision_ranges(opts->upstream, opts->onto, &head_hash, + if (get_revision_ranges(opts->upstream, opts->onto, &opts->orig_head, &revisions, &shortrevisions)) return -1; if (init_basic_state(&replay, opts->head_name ? opts->head_name : "detached HEAD", - opts->onto, head_hash)) { + opts->onto, &opts->orig_head)) { free(revisions); free(shortrevisions); @@ -330,13 +357,13 @@ static int do_interactive_rebase(struct rebase_options *opts, unsigned flags) write_file(path_squash_onto(), "%s\n", oid_to_hex(opts->squash_onto)); - argv_array_pushl(&make_script_args, "", revisions, NULL); + strvec_pushl(&make_script_args, "", revisions, NULL); if (opts->restrict_revision) - argv_array_push(&make_script_args, - oid_to_hex(&opts->restrict_revision->object.oid)); + strvec_pushf(&make_script_args, "^%s", + oid_to_hex(&opts->restrict_revision->object.oid)); ret = sequencer_make_script(the_repository, &todo_list.buf, - make_script_args.argc, make_script_args.argv, + make_script_args.nr, make_script_args.v, flags); if (ret) @@ -349,20 +376,21 @@ static int do_interactive_rebase(struct rebase_options *opts, unsigned flags) split_exec_commands(opts->cmd, &commands); ret = complete_action(the_repository, &replay, flags, - shortrevisions, opts->onto_name, opts->onto, head_hash, - &commands, opts->autosquash, &todo_list); + shortrevisions, opts->onto_name, opts->onto, + &opts->orig_head, &commands, opts->autosquash, + &todo_list); } string_list_clear(&commands, 0); free(revisions); free(shortrevisions); todo_list_release(&todo_list); - argv_array_clear(&make_script_args); + strvec_clear(&make_script_args); return ret; } -static int run_rebase_interactive(struct rebase_options *opts, +static int run_sequencer_rebase(struct rebase_options *opts, enum action command) { unsigned flags = 0; @@ -374,7 +402,9 @@ static int run_rebase_interactive(struct rebase_options *opts, flags |= abbreviate_commands ? TODO_LIST_ABBREVIATE_CMDS : 0; flags |= opts->rebase_merges ? TODO_LIST_REBASE_MERGES : 0; flags |= opts->rebase_cousins > 0 ? TODO_LIST_REBASE_COUSINS : 0; + flags |= opts->root_with_onto ? TODO_LIST_ROOT_WITH_ONTO : 0; flags |= command == ACTION_SHORTEN_OIDS ? TODO_LIST_SHORTEN_IDS : 0; + flags |= opts->reapply_cherry_picks ? TODO_LIST_REAPPLY_CHERRY_PICKS : 0; switch (command) { case ACTION_NONE: { @@ -403,7 +433,7 @@ static int run_rebase_interactive(struct rebase_options *opts, struct child_process cmd = CHILD_PROCESS_INIT; cmd.git_cmd = 1; - argv_array_pushl(&cmd.args, "show", "REBASE_HEAD", "--", NULL); + strvec_pushl(&cmd.args, "show", "REBASE_HEAD", "--", NULL); ret = run_command(&cmd); break; @@ -433,6 +463,20 @@ static int run_rebase_interactive(struct rebase_options *opts, return ret; } +static void imply_merge(struct rebase_options *opts, const char *option); +static int parse_opt_keep_empty(const struct option *opt, const char *arg, + int unset) +{ + struct rebase_options *opts = opt->value; + + BUG_ON_OPT_ARG(arg); + + imply_merge(opts, unset ? "--no-keep-empty" : "--keep-empty"); + opts->keep_empty = !unset; + opts->type = REBASE_MERGE; + return 0; +} + static const char * const builtin_rebase_interactive_usage[] = { N_("git rebase--interactive [<options>]"), NULL @@ -441,14 +485,18 @@ static const char * const builtin_rebase_interactive_usage[] = { int cmd_rebase__interactive(int argc, const char **argv, const char *prefix) { struct rebase_options opts = REBASE_OPTIONS_INIT; - struct object_id squash_onto = null_oid; + struct object_id squash_onto = *null_oid(); enum action command = ACTION_NONE; struct option options[] = { OPT_NEGBIT(0, "ff", &opts.flags, N_("allow fast-forward"), REBASE_FORCE), - OPT_BOOL(0, "keep-empty", &opts.keep_empty, N_("keep empty commits")), - OPT_BOOL(0, "allow-empty-message", &opts.allow_empty_message, - N_("allow commits with empty messages")), + OPT_CALLBACK_F('k', "keep-empty", &options, NULL, + N_("keep commits which start empty"), + PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, + parse_opt_keep_empty), + OPT_BOOL_F(0, "allow-empty-message", &opts.allow_empty_message, + N_("allow commits with empty messages"), + PARSE_OPT_HIDDEN), OPT_BOOL(0, "rebase-merges", &opts.rebase_merges, N_("rebase merge commits")), OPT_BOOL(0, "rebase-cousins", &opts.rebase_cousins, N_("keep original branch points of cousins")), @@ -508,7 +556,7 @@ int cmd_rebase__interactive(int argc, const char **argv, const char *prefix) if (argc == 1) usage_with_options(builtin_rebase_interactive_usage, options); - argc = parse_options(argc, argv, NULL, options, + argc = parse_options(argc, argv, prefix, options, builtin_rebase_interactive_usage, PARSE_OPT_KEEP_ARGV0); if (!is_null_oid(&squash_onto)) @@ -518,28 +566,26 @@ int cmd_rebase__interactive(int argc, const char **argv, const char *prefix) warning(_("--[no-]rebase-cousins has no effect without " "--rebase-merges")); - return !!run_rebase_interactive(&opts, command); + return !!run_sequencer_rebase(&opts, command); } -static int is_interactive(struct rebase_options *opts) +static int is_merge(struct rebase_options *opts) { - return opts->type == REBASE_INTERACTIVE || + return opts->type == REBASE_MERGE || opts->type == REBASE_PRESERVE_MERGES; } -static void imply_interactive(struct rebase_options *opts, const char *option) +static void imply_merge(struct rebase_options *opts, const char *option) { switch (opts->type) { - case REBASE_AM: - die(_("%s requires an interactive rebase"), option); + case REBASE_APPLY: + die(_("%s requires the merge backend"), option); break; - case REBASE_INTERACTIVE: + case REBASE_MERGE: case REBASE_PRESERVE_MERGES: break; - case REBASE_MERGE: - /* we now implement --merge via --interactive */ default: - opts->type = REBASE_INTERACTIVE; /* implied */ + opts->type = REBASE_MERGE; /* implied */ break; } } @@ -560,15 +606,6 @@ static const char *state_dir_path(const char *filename, struct rebase_options *o return path.buf; } -/* Read one file, then strip line endings */ -static int read_one(const char *path, struct strbuf *buf) -{ - if (strbuf_read_file(buf, path, 0) < 0) - return error_errno(_("could not read '%s'"), path); - strbuf_trim_trailing_newline(buf); - return 0; -} - /* Initialize the rebase options from the state directory. */ static int read_basic_state(struct rebase_options *opts) { @@ -576,8 +613,10 @@ static int read_basic_state(struct rebase_options *opts) struct strbuf buf = STRBUF_INIT; struct object_id oid; - if (read_one(state_dir_path("head-name", opts), &head_name) || - read_one(state_dir_path("onto", opts), &buf)) + if (!read_oneliner(&head_name, state_dir_path("head-name", opts), + READ_ONELINER_WARN_MISSING) || + !read_oneliner(&buf, state_dir_path("onto", opts), + READ_ONELINER_WARN_MISSING)) return -1; opts->head_name = starts_with(head_name.buf, "refs/") ? xstrdup(head_name.buf) : NULL; @@ -593,9 +632,11 @@ static int read_basic_state(struct rebase_options *opts) */ strbuf_reset(&buf); if (file_exists(state_dir_path("orig-head", opts))) { - if (read_one(state_dir_path("orig-head", opts), &buf)) + if (!read_oneliner(&buf, state_dir_path("orig-head", opts), + READ_ONELINER_WARN_MISSING)) return -1; - } else if (read_one(state_dir_path("head", opts), &buf)) + } else if (!read_oneliner(&buf, state_dir_path("head", opts), + READ_ONELINER_WARN_MISSING)) return -1; if (get_oid(buf.buf, &opts->orig_head)) return error(_("invalid orig-head: '%s'"), buf.buf); @@ -615,8 +656,8 @@ static int read_basic_state(struct rebase_options *opts) if (file_exists(state_dir_path("allow_rerere_autoupdate", opts))) { strbuf_reset(&buf); - if (read_one(state_dir_path("allow_rerere_autoupdate", opts), - &buf)) + if (!read_oneliner(&buf, state_dir_path("allow_rerere_autoupdate", opts), + READ_ONELINER_WARN_MISSING)) return -1; if (!strcmp(buf.buf, "--rerere-autoupdate")) opts->allow_rerere_autoupdate = RERERE_AUTOUPDATE; @@ -629,8 +670,8 @@ static int read_basic_state(struct rebase_options *opts) if (file_exists(state_dir_path("gpg_sign_opt", opts))) { strbuf_reset(&buf); - if (read_one(state_dir_path("gpg_sign_opt", opts), - &buf)) + if (!read_oneliner(&buf, state_dir_path("gpg_sign_opt", opts), + READ_ONELINER_WARN_MISSING)) return -1; free(opts->gpg_sign_opt); opts->gpg_sign_opt = xstrdup(buf.buf); @@ -638,7 +679,8 @@ static int read_basic_state(struct rebase_options *opts) if (file_exists(state_dir_path("strategy", opts))) { strbuf_reset(&buf); - if (read_one(state_dir_path("strategy", opts), &buf)) + if (!read_oneliner(&buf, state_dir_path("strategy", opts), + READ_ONELINER_WARN_MISSING)) return -1; free(opts->strategy); opts->strategy = xstrdup(buf.buf); @@ -646,7 +688,8 @@ static int read_basic_state(struct rebase_options *opts) if (file_exists(state_dir_path("strategy_opts", opts))) { strbuf_reset(&buf); - if (read_one(state_dir_path("strategy_opts", opts), &buf)) + if (!read_oneliner(&buf, state_dir_path("strategy_opts", opts), + READ_ONELINER_WARN_MISSING)) return -1; free(opts->strategy_opts); opts->strategy_opts = xstrdup(buf.buf); @@ -665,8 +708,8 @@ static int rebase_write_basic_state(struct rebase_options *opts) opts->onto ? oid_to_hex(&opts->onto->object.oid) : ""); write_file(state_dir_path("orig-head", opts), "%s", oid_to_hex(&opts->orig_head)); - write_file(state_dir_path("quiet", opts), "%s", - opts->flags & REBASE_NO_QUIET ? "" : "t"); + if (!(opts->flags & REBASE_NO_QUIET)) + write_file(state_dir_path("quiet", opts), "%s", ""); if (opts->flags & REBASE_VERBOSE) write_file(state_dir_path("verbose", opts), "%s", ""); if (opts->strategy) @@ -684,71 +727,26 @@ static int rebase_write_basic_state(struct rebase_options *opts) write_file(state_dir_path("gpg_sign_opt", opts), "%s", opts->gpg_sign_opt); if (opts->signoff) - write_file(state_dir_path("strategy", opts), "--signoff"); - - return 0; -} - -static int apply_autostash(struct rebase_options *opts) -{ - const char *path = state_dir_path("autostash", opts); - struct strbuf autostash = STRBUF_INIT; - struct child_process stash_apply = CHILD_PROCESS_INIT; - - if (!file_exists(path)) - return 0; + write_file(state_dir_path("signoff", opts), "--signoff"); - if (read_one(path, &autostash)) - return error(_("Could not read '%s'"), path); - /* Ensure that the hash is not mistaken for a number */ - strbuf_addstr(&autostash, "^0"); - argv_array_pushl(&stash_apply.args, - "stash", "apply", autostash.buf, NULL); - stash_apply.git_cmd = 1; - stash_apply.no_stderr = stash_apply.no_stdout = - stash_apply.no_stdin = 1; - if (!run_command(&stash_apply)) - printf(_("Applied autostash.\n")); - else { - struct argv_array args = ARGV_ARRAY_INIT; - int res = 0; - - argv_array_pushl(&args, - "stash", "store", "-m", "autostash", "-q", - autostash.buf, NULL); - if (run_command_v_opt(args.argv, RUN_GIT_CMD)) - res = error(_("Cannot store %s"), autostash.buf); - argv_array_clear(&args); - strbuf_release(&autostash); - if (res) - return res; - - fprintf(stderr, - _("Applying autostash resulted in conflicts.\n" - "Your changes are safe in the stash.\n" - "You can run \"git stash pop\" or \"git stash drop\" " - "at any time.\n")); - } - - strbuf_release(&autostash); return 0; } static int finish_rebase(struct rebase_options *opts) { struct strbuf dir = STRBUF_INIT; - const char *argv_gc_auto[] = { "gc", "--auto", NULL }; int ret = 0; delete_ref(NULL, "REBASE_HEAD", NULL, REF_NO_DEREF); - apply_autostash(opts); + unlink(git_path_auto_merge(the_repository)); + apply_autostash(state_dir_path("autostash", opts)); close_object_store(the_repository->objects); /* - * We ignore errors in 'gc --auto', since the + * We ignore errors in 'git maintenance run --auto', since the * user should see them. */ - run_command_v_opt(argv_gc_auto, RUN_GIT_CMD); - if (opts->type == REBASE_INTERACTIVE) { + run_auto_maintenance(!(opts->flags & (REBASE_NO_QUIET|REBASE_VERBOSE))); + if (opts->type == REBASE_MERGE) { struct replay_opts replay = REPLAY_OPTS_INIT; replay.action = REPLAY_INTERACTIVE_REBASE; @@ -786,143 +784,6 @@ static void add_var(struct strbuf *buf, const char *name, const char *value) } } -#define GIT_REFLOG_ACTION_ENVIRONMENT "GIT_REFLOG_ACTION" - -#define RESET_HEAD_DETACH (1<<0) -#define RESET_HEAD_HARD (1<<1) -#define RESET_HEAD_RUN_POST_CHECKOUT_HOOK (1<<2) -#define RESET_HEAD_REFS_ONLY (1<<3) -#define RESET_ORIG_HEAD (1<<4) - -static int reset_head(struct object_id *oid, const char *action, - const char *switch_to_branch, unsigned flags, - const char *reflog_orig_head, const char *reflog_head) -{ - unsigned detach_head = flags & RESET_HEAD_DETACH; - unsigned reset_hard = flags & RESET_HEAD_HARD; - unsigned run_hook = flags & RESET_HEAD_RUN_POST_CHECKOUT_HOOK; - unsigned refs_only = flags & RESET_HEAD_REFS_ONLY; - unsigned update_orig_head = flags & RESET_ORIG_HEAD; - struct object_id head_oid; - struct tree_desc desc[2] = { { NULL }, { NULL } }; - struct lock_file lock = LOCK_INIT; - struct unpack_trees_options unpack_tree_opts; - struct tree *tree; - const char *reflog_action; - struct strbuf msg = STRBUF_INIT; - size_t prefix_len; - struct object_id *orig = NULL, oid_orig, - *old_orig = NULL, oid_old_orig; - int ret = 0, nr = 0; - - if (switch_to_branch && !starts_with(switch_to_branch, "refs/")) - BUG("Not a fully qualified branch: '%s'", switch_to_branch); - - if (!refs_only && hold_locked_index(&lock, LOCK_REPORT_ON_ERROR) < 0) { - ret = -1; - goto leave_reset_head; - } - - if ((!oid || !reset_hard) && get_oid("HEAD", &head_oid)) { - ret = error(_("could not determine HEAD revision")); - goto leave_reset_head; - } - - if (!oid) - oid = &head_oid; - - if (refs_only) - goto reset_head_refs; - - memset(&unpack_tree_opts, 0, sizeof(unpack_tree_opts)); - setup_unpack_trees_porcelain(&unpack_tree_opts, action); - unpack_tree_opts.head_idx = 1; - unpack_tree_opts.src_index = the_repository->index; - unpack_tree_opts.dst_index = the_repository->index; - unpack_tree_opts.fn = reset_hard ? oneway_merge : twoway_merge; - unpack_tree_opts.update = 1; - unpack_tree_opts.merge = 1; - if (!detach_head) - unpack_tree_opts.reset = 1; - - if (repo_read_index_unmerged(the_repository) < 0) { - ret = error(_("could not read index")); - goto leave_reset_head; - } - - if (!reset_hard && !fill_tree_descriptor(&desc[nr++], &head_oid)) { - ret = error(_("failed to find tree of %s"), - oid_to_hex(&head_oid)); - goto leave_reset_head; - } - - if (!fill_tree_descriptor(&desc[nr++], oid)) { - ret = error(_("failed to find tree of %s"), oid_to_hex(oid)); - goto leave_reset_head; - } - - if (unpack_trees(nr, desc, &unpack_tree_opts)) { - ret = -1; - goto leave_reset_head; - } - - tree = parse_tree_indirect(oid); - prime_cache_tree(the_repository, the_repository->index, tree); - - if (write_locked_index(the_repository->index, &lock, COMMIT_LOCK) < 0) { - ret = error(_("could not write index")); - goto leave_reset_head; - } - -reset_head_refs: - reflog_action = getenv(GIT_REFLOG_ACTION_ENVIRONMENT); - strbuf_addf(&msg, "%s: ", reflog_action ? reflog_action : "rebase"); - prefix_len = msg.len; - - if (update_orig_head) { - if (!get_oid("ORIG_HEAD", &oid_old_orig)) - old_orig = &oid_old_orig; - if (!get_oid("HEAD", &oid_orig)) { - orig = &oid_orig; - if (!reflog_orig_head) { - strbuf_addstr(&msg, "updating ORIG_HEAD"); - reflog_orig_head = msg.buf; - } - update_ref(reflog_orig_head, "ORIG_HEAD", orig, - old_orig, 0, UPDATE_REFS_MSG_ON_ERR); - } else if (old_orig) - delete_ref(NULL, "ORIG_HEAD", old_orig, 0); - } - - if (!reflog_head) { - strbuf_setlen(&msg, prefix_len); - strbuf_addstr(&msg, "updating HEAD"); - reflog_head = msg.buf; - } - if (!switch_to_branch) - ret = update_ref(reflog_head, "HEAD", oid, orig, - detach_head ? REF_NO_DEREF : 0, - UPDATE_REFS_MSG_ON_ERR); - else { - ret = update_ref(reflog_head, switch_to_branch, oid, - NULL, 0, UPDATE_REFS_MSG_ON_ERR); - if (!ret) - ret = create_symref("HEAD", switch_to_branch, - reflog_head); - } - if (run_hook) - run_hook_le(NULL, "post-checkout", - oid_to_hex(orig ? orig : &null_oid), - oid_to_hex(oid), "1", NULL); - -leave_reset_head: - strbuf_release(&msg); - rollback_lock_file(&lock); - while (nr) - free((void *)desc[--nr].buffer); - return ret; -} - static int move_to_original_branch(struct rebase_options *opts) { struct strbuf orig_head_reflog = STRBUF_INIT, head_reflog = STRBUF_INIT; @@ -938,8 +799,10 @@ static int move_to_original_branch(struct rebase_options *opts) opts->head_name, oid_to_hex(&opts->onto->object.oid)); strbuf_addf(&head_reflog, "rebase finished: returning to %s", opts->head_name); - ret = reset_head(NULL, "", opts->head_name, RESET_HEAD_REFS_ONLY, - orig_head_reflog.buf, head_reflog.buf); + ret = reset_head(the_repository, NULL, "", opts->head_name, + RESET_HEAD_REFS_ONLY, + orig_head_reflog.buf, head_reflog.buf, + DEFAULT_REFLOG_ACTION); strbuf_release(&orig_head_reflog); strbuf_release(&head_reflog); @@ -962,13 +825,13 @@ static int run_am(struct rebase_options *opts) char *rebased_patches; am.git_cmd = 1; - argv_array_push(&am.args, "am"); + strvec_push(&am.args, "am"); if (opts->action && !strcmp("continue", opts->action)) { - argv_array_push(&am.args, "--resolved"); - argv_array_pushf(&am.args, "--resolvemsg=%s", resolvemsg); + strvec_push(&am.args, "--resolved"); + strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg); if (opts->gpg_sign_opt) - argv_array_push(&am.args, opts->gpg_sign_opt); + strvec_push(&am.args, opts->gpg_sign_opt); status = run_command(&am); if (status) return status; @@ -976,8 +839,8 @@ static int run_am(struct rebase_options *opts) return move_to_original_branch(opts); } if (opts->action && !strcmp("skip", opts->action)) { - argv_array_push(&am.args, "--skip"); - argv_array_pushf(&am.args, "--resolvemsg=%s", resolvemsg); + strvec_push(&am.args, "--skip"); + strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg); status = run_command(&am); if (status) return status; @@ -985,7 +848,7 @@ static int run_am(struct rebase_options *opts) return move_to_original_branch(opts); } if (opts->action && !strcmp("show-current-patch", opts->action)) { - argv_array_push(&am.args, "--show-current-patch"); + strvec_push(&am.args, "--show-current-patch"); return run_command(&am); } @@ -1003,31 +866,33 @@ static int run_am(struct rebase_options *opts) status = error_errno(_("could not open '%s' for writing"), rebased_patches); free(rebased_patches); - argv_array_clear(&am.args); + strvec_clear(&am.args); return status; } format_patch.git_cmd = 1; - argv_array_pushl(&format_patch.args, "format-patch", "-k", "--stdout", - "--full-index", "--cherry-pick", "--right-only", - "--src-prefix=a/", "--dst-prefix=b/", "--no-renames", - "--no-cover-letter", "--pretty=mboxrd", "--topo-order", NULL); + strvec_pushl(&format_patch.args, "format-patch", "-k", "--stdout", + "--full-index", "--cherry-pick", "--right-only", + "--src-prefix=a/", "--dst-prefix=b/", "--no-renames", + "--no-cover-letter", "--pretty=mboxrd", "--topo-order", + "--no-base", NULL); if (opts->git_format_patch_opt.len) - argv_array_split(&format_patch.args, - opts->git_format_patch_opt.buf); - argv_array_push(&format_patch.args, revisions.buf); + strvec_split(&format_patch.args, + opts->git_format_patch_opt.buf); + strvec_push(&format_patch.args, revisions.buf); if (opts->restrict_revision) - argv_array_pushf(&format_patch.args, "^%s", - oid_to_hex(&opts->restrict_revision->object.oid)); + strvec_pushf(&format_patch.args, "^%s", + oid_to_hex(&opts->restrict_revision->object.oid)); status = run_command(&format_patch); if (status) { unlink(rebased_patches); free(rebased_patches); - argv_array_clear(&am.args); + strvec_clear(&am.args); - reset_head(&opts->orig_head, "checkout", opts->head_name, 0, - "HEAD", NULL); + reset_head(the_repository, &opts->orig_head, "checkout", + opts->head_name, 0, + "HEAD", NULL, DEFAULT_REFLOG_ACTION); error(_("\ngit encountered an error while preparing the " "patches to replay\n" "these revisions:\n" @@ -1045,20 +910,20 @@ static int run_am(struct rebase_options *opts) status = error_errno(_("could not open '%s' for reading"), rebased_patches); free(rebased_patches); - argv_array_clear(&am.args); + strvec_clear(&am.args); return status; } - argv_array_pushv(&am.args, opts->git_am_opts.argv); - argv_array_push(&am.args, "--rebasing"); - argv_array_pushf(&am.args, "--resolvemsg=%s", resolvemsg); - argv_array_push(&am.args, "--patch-format=mboxrd"); + strvec_pushv(&am.args, opts->git_am_opts.v); + strvec_push(&am.args, "--rebasing"); + strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg); + strvec_push(&am.args, "--patch-format=mboxrd"); if (opts->allow_rerere_autoupdate == RERERE_AUTOUPDATE) - argv_array_push(&am.args, "--rerere-autoupdate"); + strvec_push(&am.args, "--rerere-autoupdate"); else if (opts->allow_rerere_autoupdate == RERERE_NOAUTOUPDATE) - argv_array_push(&am.args, "--no-rerere-autoupdate"); + strvec_push(&am.args, "--no-rerere-autoupdate"); if (opts->gpg_sign_opt) - argv_array_push(&am.args, opts->gpg_sign_opt); + strvec_push(&am.args, opts->gpg_sign_opt); status = run_command(&am); unlink(rebased_patches); free(rebased_patches); @@ -1080,8 +945,8 @@ static int run_specific_rebase(struct rebase_options *opts, enum action action) int status; const char *backend, *backend_func; - if (opts->type == REBASE_INTERACTIVE) { - /* Run builtin interactive rebase */ + if (opts->type == REBASE_MERGE) { + /* Run sequencer-based rebase */ setenv("GIT_CHERRY_PICK_HELP", resolvemsg, 1); if (!(opts->flags & REBASE_INTERACTIVE_EXPLICIT)) { setenv("GIT_SEQUENCE_EDITOR", ":", 1); @@ -1094,11 +959,11 @@ static int run_specific_rebase(struct rebase_options *opts, enum action action) opts->gpg_sign_opt = tmp; } - status = run_rebase_interactive(opts, action); + status = run_sequencer_rebase(opts, action); goto finished_rebase; } - if (opts->type == REBASE_AM) { + if (opts->type == REBASE_APPLY) { status = run_am(opts); goto finished_rebase; } @@ -1118,9 +983,7 @@ static int run_specific_rebase(struct rebase_options *opts, enum action action) add_var(&script_snippet, "revisions", opts->revisions); add_var(&script_snippet, "restrict_revision", opts->restrict_revision ? oid_to_hex(&opts->restrict_revision->object.oid) : NULL); - add_var(&script_snippet, "GIT_QUIET", - opts->flags & REBASE_NO_QUIET ? "" : "t"); - sq_quote_argv_pretty(&buf, opts->git_am_opts.argv); + sq_quote_argv_pretty(&buf, opts->git_am_opts.v); add_var(&script_snippet, "git_am_opt", buf.buf); strbuf_release(&buf); add_var(&script_snippet, "verbose", @@ -1155,7 +1018,7 @@ static int run_specific_rebase(struct rebase_options *opts, enum action action) add_var(&script_snippet, "git_format_patch_opt", opts->git_format_patch_opt.buf); - if (is_interactive(opts) && + if (is_merge(opts) && !(opts->flags & REBASE_INTERACTIVE_EXPLICIT)) { strbuf_addstr(&script_snippet, "GIT_SEQUENCE_EDITOR=:; export GIT_SEQUENCE_EDITOR; "); @@ -1163,10 +1026,6 @@ static int run_specific_rebase(struct rebase_options *opts, enum action action) } switch (opts->type) { - case REBASE_AM: - backend = "git-rebase--am"; - backend_func = "git_rebase__am"; - break; case REBASE_PRESERVE_MERGES: backend = "git-rebase--preserve-merges"; backend_func = "git_rebase__preserve_merges"; @@ -1177,23 +1036,22 @@ static int run_specific_rebase(struct rebase_options *opts, enum action action) } strbuf_addf(&script_snippet, - ". git-sh-setup && . git-rebase--common &&" - " . %s && %s", backend, backend_func); + ". git-sh-setup && . %s && %s", backend, backend_func); argv[0] = script_snippet.buf; status = run_command_v_opt(argv, RUN_USING_SHELL); finished_rebase: if (opts->dont_finish_rebase) ; /* do nothing */ - else if (opts->type == REBASE_INTERACTIVE) - ; /* interactive rebase cleans up after itself */ + else if (opts->type == REBASE_MERGE) + ; /* merge backend cleans up after itself */ else if (status == 0) { if (!file_exists(state_dir_path("stopped-sha", opts))) finish_rebase(opts); } else if (status == 2) { struct strbuf dir = STRBUF_INIT; - apply_autostash(opts); + apply_autostash(state_dir_path("autostash", opts)); strbuf_addstr(&dir, opts->state_dir); remove_dir_recursively(&dir, 0); strbuf_release(&dir); @@ -1239,11 +1097,15 @@ static int rebase_config(const char *var, const char *value, void *data) return 0; } - if (!strcmp(var, "rebase.usebuiltin")) { - opts->use_legacy_rebase = !git_config_bool(var, value); + if (!strcmp(var, "rebase.forkpoint")) { + opts->fork_point = git_config_bool(var, value) ? -1 : 0; return 0; } + if (!strcmp(var, "rebase.backend")) { + return git_config_string(&opts->default_backend, var, value); + } + return git_default_config(var, value, data); } @@ -1265,28 +1127,60 @@ static int is_linear_history(struct commit *from, struct commit *to) return 1; } -static int can_fast_forward(struct commit *onto, struct object_id *head_oid, - struct object_id *merge_base) +static int can_fast_forward(struct commit *onto, struct commit *upstream, + struct commit *restrict_revision, + struct object_id *head_oid, struct object_id *merge_base) { struct commit *head = lookup_commit(the_repository, head_oid); - struct commit_list *merge_bases; - int res; + struct commit_list *merge_bases = NULL; + int res = 0; if (!head) - return 0; + goto done; merge_bases = get_merge_bases(onto, head); - if (merge_bases && !merge_bases->next) { - oidcpy(merge_base, &merge_bases->item->object.oid); - res = oideq(merge_base, &onto->object.oid); - } else { - oidcpy(merge_base, &null_oid); - res = 0; + if (!merge_bases || merge_bases->next) { + oidcpy(merge_base, null_oid()); + goto done; } + + oidcpy(merge_base, &merge_bases->item->object.oid); + if (!oideq(merge_base, &onto->object.oid)) + goto done; + + if (restrict_revision && !oideq(&restrict_revision->object.oid, merge_base)) + goto done; + + if (!upstream) + goto done; + + free_commit_list(merge_bases); + merge_bases = get_merge_bases(upstream, head); + if (!merge_bases || merge_bases->next) + goto done; + + if (!oideq(&onto->object.oid, &merge_bases->item->object.oid)) + goto done; + + res = 1; + +done: free_commit_list(merge_bases); return res && is_linear_history(onto, head); } +static int parse_opt_am(const struct option *opt, const char *arg, int unset) +{ + struct rebase_options *opts = opt->value; + + BUG_ON_OPT_NEG(unset); + BUG_ON_OPT_ARG(arg); + + opts->type = REBASE_APPLY; + + return 0; +} + /* -i followed by -m is still -i */ static int parse_opt_merge(const struct option *opt, const char *arg, int unset) { @@ -1295,7 +1189,7 @@ static int parse_opt_merge(const struct option *opt, const char *arg, int unset) BUG_ON_OPT_NEG(unset); BUG_ON_OPT_ARG(arg); - if (!is_interactive(opts)) + if (!is_merge(opts)) opts->type = REBASE_MERGE; return 0; @@ -1310,12 +1204,35 @@ static int parse_opt_interactive(const struct option *opt, const char *arg, BUG_ON_OPT_NEG(unset); BUG_ON_OPT_ARG(arg); - opts->type = REBASE_INTERACTIVE; + opts->type = REBASE_MERGE; opts->flags |= REBASE_INTERACTIVE_EXPLICIT; return 0; } +static enum empty_type parse_empty_value(const char *value) +{ + if (!strcasecmp(value, "drop")) + return EMPTY_DROP; + else if (!strcasecmp(value, "keep")) + return EMPTY_KEEP; + else if (!strcasecmp(value, "ask")) + return EMPTY_ASK; + + die(_("unrecognized empty type '%s'; valid values are \"drop\", \"keep\", and \"ask\"."), value); +} + +static int parse_opt_empty(const struct option *opt, const char *arg, int unset) +{ + struct rebase_options *options = opt->value; + enum empty_type value = parse_empty_value(arg); + + BUG_ON_OPT_NEG(unset); + + options->empty = value; + return 0; +} + static void NORETURN error_on_missing_default_upstream(void) { struct branch *current_branch = branch_get(NULL); @@ -1351,14 +1268,14 @@ static void set_reflog_action(struct rebase_options *options) const char *env; struct strbuf buf = STRBUF_INIT; - if (!is_interactive(options)) + if (!is_merge(options)) return; env = getenv(GIT_REFLOG_ACTION_ENVIRONMENT); if (env && strcmp("rebase", env)) return; /* only override it if it is "rebase" */ - strbuf_addf(&buf, "rebase -i (%s)", options->action); + strbuf_addf(&buf, "rebase (%s)", options->action); setenv(GIT_REFLOG_ACTION_ENVIRONMENT, buf.buf, 1); strbuf_release(&buf); } @@ -1375,35 +1292,38 @@ static int check_exec_cmd(const char *cmd) return 0; } - int cmd_rebase(int argc, const char **argv, const char *prefix) { struct rebase_options options = REBASE_OPTIONS_INIT; const char *branch_name; int ret, flags, total_argc, in_progress = 0; + int keep_base = 0; int ok_to_skip_pre_rebase = 0; struct strbuf msg = STRBUF_INIT; struct strbuf revisions = STRBUF_INIT; struct strbuf buf = STRBUF_INIT; struct object_id merge_base; + int ignore_whitespace = 0; enum action action = ACTION_NONE; const char *gpg_sign = NULL; struct string_list exec = STRING_LIST_INIT_NODUP; const char *rebase_merges = NULL; - int fork_point = -1; struct string_list strategy_options = STRING_LIST_INIT_NODUP; struct object_id squash_onto; char *squash_onto_name = NULL; int reschedule_failed_exec = -1; + int allow_preemptive_ff = 1; struct option builtin_rebase_options[] = { OPT_STRING(0, "onto", &options.onto_name, N_("revision"), N_("rebase onto given branch instead of upstream")), + OPT_BOOL(0, "keep-base", &keep_base, + N_("use the merge-base of upstream and branch as the current base")), OPT_BOOL(0, "no-verify", &ok_to_skip_pre_rebase, N_("allow pre-rebase hook to run")), OPT_NEGBIT('q', "quiet", &options.flags, N_("be quiet. implies --no-stat"), - REBASE_NO_QUIET| REBASE_VERBOSE | REBASE_DIFFSTAT), + REBASE_NO_QUIET | REBASE_VERBOSE | REBASE_DIFFSTAT), OPT_BIT('v', "verbose", &options.flags, N_("display a diffstat of what changed upstream"), REBASE_NO_QUIET | REBASE_VERBOSE | REBASE_DIFFSTAT), @@ -1411,17 +1331,18 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) N_("do not show diffstat of what changed upstream"), PARSE_OPT_NOARG, NULL, REBASE_DIFFSTAT }, OPT_BOOL(0, "signoff", &options.signoff, - N_("add a Signed-off-by: line to each commit")), - OPT_PASSTHRU_ARGV(0, "ignore-whitespace", &options.git_am_opts, - NULL, N_("passed to 'git am'"), - PARSE_OPT_NOARG), - OPT_PASSTHRU_ARGV(0, "committer-date-is-author-date", - &options.git_am_opts, NULL, - N_("passed to 'git am'"), PARSE_OPT_NOARG), - OPT_PASSTHRU_ARGV(0, "ignore-date", &options.git_am_opts, NULL, - N_("passed to 'git am'"), PARSE_OPT_NOARG), + N_("add a Signed-off-by trailer to each commit")), + OPT_BOOL(0, "committer-date-is-author-date", + &options.committer_date_is_author_date, + N_("make committer date match author date")), + OPT_BOOL(0, "reset-author-date", &options.ignore_date, + N_("ignore author date and use current date")), + OPT_HIDDEN_BOOL(0, "ignore-date", &options.ignore_date, + N_("synonym of --reset-author-date")), OPT_PASSTHRU_ARGV('C', NULL, &options.git_am_opts, N_("n"), N_("passed to 'git apply'"), 0), + OPT_BOOL(0, "ignore-whitespace", &ignore_whitespace, + N_("ignore changes in whitespace")), OPT_PASSTHRU_ARGV(0, "whitespace", &options.git_am_opts, N_("action"), N_("passed to 'git apply'"), 0), OPT_BIT('f', "force-rebase", &options.flags, @@ -1444,39 +1365,49 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) OPT_CMDMODE(0, "show-current-patch", &action, N_("show the patch file being applied or merged"), ACTION_SHOW_CURRENT_PATCH), - { OPTION_CALLBACK, 'm', "merge", &options, NULL, + OPT_CALLBACK_F(0, "apply", &options, NULL, + N_("use apply strategies to rebase"), + PARSE_OPT_NOARG | PARSE_OPT_NONEG, + parse_opt_am), + OPT_CALLBACK_F('m', "merge", &options, NULL, N_("use merging strategies to rebase"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, - parse_opt_merge }, - { OPTION_CALLBACK, 'i', "interactive", &options, NULL, + parse_opt_merge), + OPT_CALLBACK_F('i', "interactive", &options, NULL, N_("let the user edit the list of commits to rebase"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, - parse_opt_interactive }, - OPT_SET_INT('p', "preserve-merges", &options.type, - N_("(DEPRECATED) try to recreate merges instead of " - "ignoring them"), REBASE_PRESERVE_MERGES), + parse_opt_interactive), + OPT_SET_INT_F('p', "preserve-merges", &options.type, + N_("(DEPRECATED) try to recreate merges instead of " + "ignoring them"), + REBASE_PRESERVE_MERGES, PARSE_OPT_HIDDEN), OPT_RERERE_AUTOUPDATE(&options.allow_rerere_autoupdate), - OPT_BOOL('k', "keep-empty", &options.keep_empty, - N_("preserve empty commits during rebase")), + OPT_CALLBACK_F(0, "empty", &options, "{drop,keep,ask}", + N_("how to handle commits that become empty"), + PARSE_OPT_NONEG, parse_opt_empty), + OPT_CALLBACK_F('k', "keep-empty", &options, NULL, + N_("keep commits which start empty"), + PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, + parse_opt_keep_empty), OPT_BOOL(0, "autosquash", &options.autosquash, N_("move commits that begin with " "squash!/fixup! under -i")), { OPTION_STRING, 'S', "gpg-sign", &gpg_sign, N_("key-id"), N_("GPG-sign commits"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, - OPT_BOOL(0, "autostash", &options.autostash, - N_("automatically stash/stash pop before and after")), + OPT_AUTOSTASH(&options.autostash), OPT_STRING_LIST('x', "exec", &exec, N_("exec"), N_("add exec lines after each commit of the " "editable list")), - OPT_BOOL(0, "allow-empty-message", - &options.allow_empty_message, - N_("allow rebasing commits with empty messages")), + OPT_BOOL_F(0, "allow-empty-message", + &options.allow_empty_message, + N_("allow rebasing commits with empty messages"), + PARSE_OPT_HIDDEN), {OPTION_STRING, 'r', "rebase-merges", &rebase_merges, N_("mode"), N_("try to rebase merges instead of skipping them"), PARSE_OPT_OPTARG, NULL, (intptr_t)""}, - OPT_BOOL(0, "fork-point", &fork_point, + OPT_BOOL(0, "fork-point", &options.fork_point, N_("use 'merge-base --fork-point' to refine upstream")), OPT_STRING('s', "strategy", &options.strategy, N_("strategy"), N_("use the given merge strategy")), @@ -1489,6 +1420,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "reschedule-failed-exec", &reschedule_failed_exec, N_("automatically re-schedule any `exec` that fails")), + OPT_BOOL(0, "reapply-cherry-picks", &options.reapply_cherry_picks, + N_("apply all changes, even those already present upstream")), OPT_END(), }; int i; @@ -1497,17 +1430,11 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) usage_with_options(builtin_rebase_usage, builtin_rebase_options); - prefix = setup_git_directory(); - trace_repo_setup(prefix); - setup_work_tree(); - options.allow_empty_message = 1; git_config(rebase_config, &options); - - if (options.use_legacy_rebase || - !git_env_bool("GIT_TEST_REBASE_USE_BUILTIN", -1)) - warning(_("the rebase.useBuiltin support has been removed!\n" - "See its entry in 'git help config' for details.")); + /* options.gpg_sign_opt will be either "-S" or NULL */ + gpg_sign = options.gpg_sign_opt ? "" : NULL; + FREE_AND_NULL(options.gpg_sign_opt); strbuf_reset(&buf); strbuf_addf(&buf, "%s/applying", apply_dir()); @@ -1515,7 +1442,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) die(_("It looks like 'git am' is in progress. Cannot rebase.")); if (is_directory(apply_dir())) { - options.type = REBASE_AM; + options.type = REBASE_APPLY; options.state_dir = apply_dir(); } else if (is_directory(merge_dir())) { strbuf_reset(&buf); @@ -1527,7 +1454,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) strbuf_reset(&buf); strbuf_addf(&buf, "%s/interactive", merge_dir()); if(file_exists(buf.buf)) { - options.type = REBASE_INTERACTIVE; + options.type = REBASE_MERGE; options.flags |= REBASE_INTERACTIVE_EXPLICIT; } else options.type = REBASE_MERGE; @@ -1556,16 +1483,26 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) warning(_("git rebase --preserve-merges is deprecated. " "Use --rebase-merges instead.")); + if (keep_base) { + if (options.onto_name) + die(_("cannot combine '--keep-base' with '--onto'")); + if (options.root) + die(_("cannot combine '--keep-base' with '--root'")); + } + + if (options.root && options.fork_point > 0) + die(_("cannot combine '--root' with '--fork-point'")); + if (action != ACTION_NONE && !in_progress) die(_("No rebase in progress?")); setenv(GIT_REFLOG_ACTION_ENVIRONMENT, "rebase", 0); - if (action == ACTION_EDIT_TODO && !is_interactive(&options)) + if (action == ACTION_EDIT_TODO && !is_merge(&options)) die(_("The --edit-todo action can only be used during " "interactive rebase.")); if (trace2_is_enabled()) { - if (is_interactive(&options)) + if (is_merge(&options)) trace2_cmd_mode("interactive"); else if (exec.nr) trace2_cmd_mode("interactive-exec"); @@ -1613,10 +1550,10 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) rerere_clear(the_repository, &merge_rr); string_list_clear(&merge_rr, 1); - if (reset_head(NULL, "reset", NULL, RESET_HEAD_HARD, - NULL, NULL) < 0) + if (reset_head(the_repository, NULL, "reset", NULL, RESET_HEAD_HARD, + NULL, NULL, DEFAULT_REFLOG_ACTION) < 0) die(_("could not discard worktree changes")); - remove_branch_state(the_repository); + remove_branch_state(the_repository, 0); if (read_basic_state(&options)) exit(1); goto run_rebase; @@ -1631,17 +1568,18 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) if (read_basic_state(&options)) exit(1); - if (reset_head(&options.orig_head, "reset", + if (reset_head(the_repository, &options.orig_head, "reset", options.head_name, RESET_HEAD_HARD, - NULL, NULL) < 0) + NULL, NULL, DEFAULT_REFLOG_ACTION) < 0) die(_("could not move back to %s"), oid_to_hex(&options.orig_head)); - remove_branch_state(the_repository); + remove_branch_state(the_repository, 0); ret = !!finish_rebase(&options); goto cleanup; } case ACTION_QUIT: { - if (options.type == REBASE_INTERACTIVE) { + save_autostash(state_dir_path("autostash", &options)); + if (options.type == REBASE_MERGE) { struct replay_opts replay = REPLAY_OPTS_INIT; replay.action = REPLAY_INTERACTIVE_REBASE; @@ -1690,13 +1628,20 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) state_dir_base, cmd_live_rebase, buf.buf); } - for (i = 0; i < options.git_am_opts.argc; i++) { - const char *option = options.git_am_opts.argv[i], *p; - if (!strcmp(option, "--committer-date-is-author-date") || - !strcmp(option, "--ignore-date") || - !strcmp(option, "--whitespace=fix") || + if ((options.flags & REBASE_INTERACTIVE_EXPLICIT) || + (action != ACTION_NONE) || + (exec.nr > 0) || + options.autosquash) { + allow_preemptive_ff = 0; + } + if (options.committer_date_is_author_date || options.ignore_date) + options.flags |= REBASE_FORCE; + + for (i = 0; i < options.git_am_opts.nr; i++) { + const char *option = options.git_am_opts.v[i], *p; + if (!strcmp(option, "--whitespace=fix") || !strcmp(option, "--whitespace=strip")) - options.flags |= REBASE_FORCE; + allow_preemptive_ff = 0; else if (skip_prefix(option, "-C", &p)) { while (*p) if (!isdigit(*(p++))) @@ -1714,20 +1659,21 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) exit(1); if (!(options.flags & REBASE_NO_QUIET)) - argv_array_push(&options.git_am_opts, "-q"); + strvec_push(&options.git_am_opts, "-q"); + + if (options.empty != EMPTY_UNSPECIFIED) + imply_merge(&options, "--empty"); - if (options.keep_empty) - imply_interactive(&options, "--keep-empty"); + if (options.reapply_cherry_picks) + imply_merge(&options, "--reapply-cherry-picks"); - if (gpg_sign) { - free(options.gpg_sign_opt); + if (gpg_sign) options.gpg_sign_opt = xstrfmt("-S%s", gpg_sign); - } if (exec.nr) { int i; - imply_interactive(&options, "--exec"); + imply_merge(&options, "--exec"); strbuf_reset(&buf); for (i = 0; i < exec.nr; i++) @@ -1743,14 +1689,31 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) else if (strcmp("no-rebase-cousins", rebase_merges)) die(_("Unknown mode: %s"), rebase_merges); options.rebase_merges = 1; - imply_interactive(&options, "--rebase-merges"); + imply_merge(&options, "--rebase-merges"); + } + + if (options.type == REBASE_APPLY) { + if (ignore_whitespace) + strvec_push(&options.git_am_opts, + "--ignore-whitespace"); + if (options.committer_date_is_author_date) + strvec_push(&options.git_am_opts, + "--committer-date-is-author-date"); + if (options.ignore_date) + strvec_push(&options.git_am_opts, "--ignore-date"); + } else { + /* REBASE_MERGE and PRESERVE_MERGES */ + if (ignore_whitespace) { + string_list_append(&strategy_options, + "ignore-space-change"); + } } if (strategy_options.nr) { int i; if (!options.strategy) - options.strategy = "recursive"; + options.strategy = "ort"; strbuf_reset(&buf); for (i = 0; i < strategy_options.nr; i++) @@ -1762,10 +1725,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) if (options.strategy) { options.strategy = xstrdup(options.strategy); switch (options.type) { - case REBASE_AM: + case REBASE_APPLY: die(_("--strategy requires --merge or --interactive")); case REBASE_MERGE: - case REBASE_INTERACTIVE: case REBASE_PRESERVE_MERGES: /* compatible */ break; @@ -1778,52 +1740,75 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) } if (options.type == REBASE_MERGE) - imply_interactive(&options, "--merge"); + imply_merge(&options, "--merge"); if (options.root && !options.onto_name) - imply_interactive(&options, "--root without --onto"); + imply_merge(&options, "--root without --onto"); if (isatty(2) && options.flags & REBASE_NO_QUIET) strbuf_addstr(&options.git_format_patch_opt, " --progress"); + if (options.git_am_opts.nr || options.type == REBASE_APPLY) { + /* all am options except -q are compatible only with --apply */ + for (i = options.git_am_opts.nr - 1; i >= 0; i--) + if (strcmp(options.git_am_opts.v[i], "-q")) + break; + + if (i >= 0) { + if (is_merge(&options)) + die(_("cannot combine apply options with " + "merge options")); + else + options.type = REBASE_APPLY; + } + } + + if (options.type == REBASE_UNSPECIFIED) { + if (!strcmp(options.default_backend, "merge")) + imply_merge(&options, "--merge"); + else if (!strcmp(options.default_backend, "apply")) + options.type = REBASE_APPLY; + else + die(_("Unknown rebase backend: %s"), + options.default_backend); + } + + if (options.type == REBASE_MERGE && + !options.strategy && + getenv("GIT_TEST_MERGE_ALGORITHM")) + options.strategy = xstrdup(getenv("GIT_TEST_MERGE_ALGORITHM")); + switch (options.type) { case REBASE_MERGE: - case REBASE_INTERACTIVE: case REBASE_PRESERVE_MERGES: options.state_dir = merge_dir(); break; - case REBASE_AM: + case REBASE_APPLY: options.state_dir = apply_dir(); break; default: - /* the default rebase backend is `--am` */ - options.type = REBASE_AM; - options.state_dir = apply_dir(); - break; + BUG("options.type was just set above; should be unreachable."); } - if (reschedule_failed_exec > 0 && !is_interactive(&options)) + if (options.empty == EMPTY_UNSPECIFIED) { + if (options.flags & REBASE_INTERACTIVE_EXPLICIT) + options.empty = EMPTY_ASK; + else if (exec.nr > 0) + options.empty = EMPTY_KEEP; + else + options.empty = EMPTY_DROP; + } + if (reschedule_failed_exec > 0 && !is_merge(&options)) die(_("--reschedule-failed-exec requires " "--exec or --interactive")); if (reschedule_failed_exec >= 0) options.reschedule_failed_exec = reschedule_failed_exec; - if (options.git_am_opts.argc) { - /* all am options except -q are compatible only with --am */ - for (i = options.git_am_opts.argc - 1; i >= 0; i--) - if (strcmp(options.git_am_opts.argv[i], "-q")) - break; - - if (is_interactive(&options) && i >= 0) - die(_("cannot combine am options with either " - "interactive or merge options")); - } - if (options.signoff) { if (options.type == REBASE_PRESERVE_MERGES) die("cannot combine '--signoff' with " "'--preserve-merges'"); - argv_array_push(&options.git_am_opts, "--signoff"); + strvec_push(&options.git_am_opts, "--signoff"); options.flags |= REBASE_FORCE; } @@ -1842,15 +1827,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) "'--reschedule-failed-exec'")); } - if (options.rebase_merges) { - if (strategy_options.nr) - die(_("cannot combine '--rebase-merges' with " - "'--strategy-option'")); - if (options.strategy) - die(_("cannot combine '--rebase-merges' with " - "'--strategy'")); - } - if (!options.root) { if (argc < 1) { struct branch *branch; @@ -1860,8 +1836,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) NULL); if (!options.upstream_name) error_on_missing_default_upstream(); - if (fork_point < 0) - fork_point = 1; + if (options.fork_point < 0) + options.fork_point = 1; } else { options.upstream_name = argv[0]; argc--; @@ -1881,7 +1857,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) options.squash_onto = &squash_onto; options.onto_name = squash_onto_name = xstrdup(oid_to_hex(&squash_onto)); - } + } else + options.root_with_onto = 1; + options.upstream_name = NULL; options.upstream = NULL; if (argc > 1) @@ -1891,12 +1869,22 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) } /* Make sure the branch to rebase onto is valid. */ - if (!options.onto_name) + if (keep_base) { + strbuf_reset(&buf); + strbuf_addstr(&buf, options.upstream_name); + strbuf_addstr(&buf, "..."); + options.onto_name = xstrdup(buf.buf); + } else if (!options.onto_name) options.onto_name = options.upstream_name; if (strstr(options.onto_name, "...")) { - if (get_oid_mb(options.onto_name, &merge_base) < 0) - die(_("'%s': need exactly one merge base"), - options.onto_name); + if (get_oid_mb(options.onto_name, &merge_base) < 0) { + if (keep_base) + die(_("'%s': need exactly one merge base with branch"), + options.upstream_name); + else + die(_("'%s': need exactly one merge base"), + options.onto_name); + } options.onto = lookup_commit_or_die(&merge_base, options.onto_name); } else { @@ -1921,10 +1909,13 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) /* Is it a local branch? */ strbuf_reset(&buf); strbuf_addf(&buf, "refs/heads/%s", branch_name); - if (!read_ref(buf.buf, &options.orig_head)) + if (!read_ref(buf.buf, &options.orig_head)) { + die_if_checked_out(buf.buf, 1); options.head_name = xstrdup(buf.buf); /* If not is it a valid ref (branch or commit)? */ - else if (!get_oid(branch_name, &options.orig_head)) + } else if (!get_oid(branch_name, &options.orig_head) && + lookup_commit_reference(the_repository, + &options.orig_head)) options.head_name = NULL; else die(_("fatal: no such branch/commit '%s'"), @@ -1950,7 +1941,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) } else BUG("unexpected number of arguments left to parse"); - if (fork_point > 0) { + if (options.fork_point > 0) { struct commit *head = lookup_commit_reference(the_repository, &options.orig_head); @@ -1962,60 +1953,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) die(_("could not read index")); if (options.autostash) { - struct lock_file lock_file = LOCK_INIT; - int fd; - - fd = hold_locked_index(&lock_file, 0); - refresh_cache(REFRESH_QUIET); - if (0 <= fd) - repo_update_index_if_able(the_repository, &lock_file); - rollback_lock_file(&lock_file); - - if (has_unstaged_changes(the_repository, 1) || - has_uncommitted_changes(the_repository, 1)) { - const char *autostash = - state_dir_path("autostash", &options); - struct child_process stash = CHILD_PROCESS_INIT; - struct object_id oid; - struct commit *head = - lookup_commit_reference(the_repository, - &options.orig_head); - - argv_array_pushl(&stash.args, - "stash", "create", "autostash", NULL); - stash.git_cmd = 1; - stash.no_stdin = 1; - strbuf_reset(&buf); - if (capture_command(&stash, &buf, GIT_MAX_HEXSZ)) - die(_("Cannot autostash")); - strbuf_trim_trailing_newline(&buf); - if (get_oid(buf.buf, &oid)) - die(_("Unexpected stash response: '%s'"), - buf.buf); - strbuf_reset(&buf); - strbuf_add_unique_abbrev(&buf, &oid, DEFAULT_ABBREV); - - if (safe_create_leading_directories_const(autostash)) - die(_("Could not create directory for '%s'"), - options.state_dir); - write_file(autostash, "%s", oid_to_hex(&oid)); - printf(_("Created autostash: %s\n"), buf.buf); - if (reset_head(&head->object.oid, "reset --hard", - NULL, RESET_HEAD_HARD, NULL, NULL) < 0) - die(_("could not reset --hard")); - printf(_("HEAD is now at %s"), - find_unique_abbrev(&head->object.oid, - DEFAULT_ABBREV)); - strbuf_reset(&buf); - pp_commit_easy(CMIT_FMT_ONELINE, head, &buf); - if (buf.len > 0) - printf(" %s", buf.buf); - putchar('\n'); - - if (discard_index(the_repository->index) < 0 || - repo_read_index(the_repository) < 0) - die(_("could not read index")); - } + create_autostash(the_repository, state_dir_path("autostash", &options), + DEFAULT_REFLOG_ACTION); } if (require_clean_work_tree(the_repository, "rebase", @@ -2031,34 +1970,30 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) /* * Check if we are already based on onto with linear history, - * but this should be done only when upstream and onto are the same - * and if this is not an interactive rebase. + * in which case we could fast-forward without replacing the commits + * with new commits recreated by replaying their changes. + * + * Note that can_fast_forward() initializes merge_base, so we have to + * call it before checking allow_preemptive_ff. */ - if (can_fast_forward(options.onto, &options.orig_head, &merge_base) && - !is_interactive(&options) && !options.restrict_revision && - options.upstream && - !oidcmp(&options.upstream->object.oid, &options.onto->object.oid)) { + if (can_fast_forward(options.onto, options.upstream, options.restrict_revision, + &options.orig_head, &merge_base) && + allow_preemptive_ff) { int flag; if (!(options.flags & REBASE_FORCE)) { /* Lazily switch to the target branch if needed... */ if (options.switch_to) { - struct object_id oid; - - if (get_oid(options.switch_to, &oid) < 0) { - ret = !!error(_("could not parse '%s'"), - options.switch_to); - goto cleanup; - } - strbuf_reset(&buf); strbuf_addf(&buf, "%s: checkout %s", getenv(GIT_REFLOG_ACTION_ENVIRONMENT), options.switch_to); - if (reset_head(&oid, "checkout", + if (reset_head(the_repository, + &options.orig_head, "checkout", options.head_name, RESET_HEAD_RUN_POST_CHECKOUT_HOOK, - NULL, buf.buf) < 0) { + NULL, buf.buf, + DEFAULT_REFLOG_ACTION) < 0) { ret = !!error(_("could not switch to " "%s"), options.switch_to); @@ -2120,7 +2055,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) diff_flush(&opts); } - if (is_interactive(&options)) + if (is_merge(&options)) goto run_rebase; /* Detach HEAD and reset the tree */ @@ -2130,10 +2065,10 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) strbuf_addf(&msg, "%s: checkout %s", getenv(GIT_REFLOG_ACTION_ENVIRONMENT), options.onto_name); - if (reset_head(&options.onto->object.oid, "checkout", NULL, - RESET_HEAD_DETACH | RESET_ORIG_HEAD | + if (reset_head(the_repository, &options.onto->object.oid, "checkout", NULL, + RESET_HEAD_DETACH | RESET_ORIG_HEAD | RESET_HEAD_RUN_POST_CHECKOUT_HOOK, - NULL, msg.buf)) + NULL, msg.buf, DEFAULT_REFLOG_ACTION)) die(_("Could not detach HEAD")); strbuf_release(&msg); @@ -2148,8 +2083,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) strbuf_addf(&msg, "rebase finished: %s onto %s", options.head_name ? options.head_name : "detached HEAD", oid_to_hex(&options.onto->object.oid)); - reset_head(NULL, "Fast-forwarded", options.head_name, - RESET_HEAD_REFS_ONLY, "HEAD", msg.buf); + reset_head(the_repository, NULL, "Fast-forwarded", options.head_name, + RESET_HEAD_REFS_ONLY, "HEAD", msg.buf, + DEFAULT_REFLOG_ACTION); strbuf_release(&msg); ret = !!finish_rebase(&options); goto cleanup; @@ -2173,6 +2109,8 @@ cleanup: free(options.head_name); free(options.gpg_sign_opt); free(options.cmd); + free(options.strategy); + strbuf_release(&options.git_format_patch_opt); free(squash_onto_name); return ret; } diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index c5f5da940b..2d1f97e1ca 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -12,11 +12,10 @@ #include "object.h" #include "remote.h" #include "connect.h" -#include "transport.h" #include "string-list.h" -#include "sha1-array.h" +#include "oid-array.h" #include "connected.h" -#include "argv-array.h" +#include "strvec.h" #include "version.h" #include "tag.h" #include "gpg-interface.h" @@ -28,6 +27,8 @@ #include "object-store.h" #include "protocol.h" #include "commit-reach.h" +#include "worktree.h" +#include "shallow.h" static const char * const receive_pack_usage[] = { N_("git receive-pack <git-dir>"), @@ -53,9 +54,11 @@ static int receive_unpack_limit = -1; static int transfer_unpack_limit = -1; static int advertise_atomic_push = 1; static int advertise_push_options; +static int advertise_sid; static int unpack_limit = 100; static off_t max_input_size; static int report_status; +static int report_status_v2; static int use_sideband; static int use_atomic; static int use_push_options; @@ -96,6 +99,17 @@ static int keepalive_in_sec = 5; static struct tmp_objdir *tmp_objdir; +static struct proc_receive_ref { + unsigned int want_add:1, + want_delete:1, + want_modify:1, + negative_ref:1; + char *ref_prefix; + struct proc_receive_ref *next; +} *proc_receive_ref; + +static void proc_receive_ref_append(const char *prefix); + static enum deny_action parse_deny_action(const char *var, const char *value) { if (value) { @@ -228,6 +242,18 @@ static int receive_pack_config(const char *var, const char *value, void *cb) return 0; } + if (strcmp(var, "receive.procreceiverefs") == 0) { + if (!value) + return config_error_nonbool(var); + proc_receive_ref_append(value); + return 0; + } + + if (strcmp(var, "transfer.advertisesid") == 0) { + advertise_sid = git_config_bool(var, value); + return 0; + } + return git_default_config(var, value, cb); } @@ -239,7 +265,7 @@ static void show_ref(const char *path, const struct object_id *oid) struct strbuf cap = STRBUF_INIT; strbuf_addstr(&cap, - "report-status delete-refs side-band-64k quiet"); + "report-status report-status-v2 delete-refs side-band-64k quiet"); if (advertise_atomic_push) strbuf_addstr(&cap, " atomic"); if (prefer_ofs_delta) @@ -248,6 +274,9 @@ static void show_ref(const char *path, const struct object_id *oid) strbuf_addf(&cap, " push-cert=%s", push_cert_nonce); if (advertise_push_options) strbuf_addstr(&cap, " push-options"); + if (advertise_sid) + strbuf_addf(&cap, " session-id=%s", trace2_session_id()); + strbuf_addf(&cap, " object-format=%s", the_hash_algo->name); strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized()); packet_write_fmt(1, "%s %s%c%s\n", oid_to_hex(oid), path, 0, cap.buf); @@ -300,7 +329,7 @@ static void write_head_info(void) for_each_alternate_ref(show_one_alternate_ref, &seen); oidset_clear(&seen); if (!sent_capabilities) - show_ref("capabilities^{}", &null_oid); + show_ref("capabilities^{}", null_oid()); advertise_shallow_grafts(1); @@ -308,19 +337,93 @@ static void write_head_info(void) packet_flush(1); } +#define RUN_PROC_RECEIVE_SCHEDULED 1 +#define RUN_PROC_RECEIVE_RETURNED 2 struct command { struct command *next; const char *error_string; + struct ref_push_report *report; unsigned int skip_update:1, - did_not_exist:1; + did_not_exist:1, + run_proc_receive:2; int index; struct object_id old_oid; struct object_id new_oid; char ref_name[FLEX_ARRAY]; /* more */ }; -static void rp_error(const char *err, ...) __attribute__((format (printf, 1, 2))); -static void rp_warning(const char *err, ...) __attribute__((format (printf, 1, 2))); +static void proc_receive_ref_append(const char *prefix) +{ + struct proc_receive_ref *ref_pattern; + char *p; + int len; + + CALLOC_ARRAY(ref_pattern, 1); + p = strchr(prefix, ':'); + if (p) { + while (prefix < p) { + if (*prefix == 'a') + ref_pattern->want_add = 1; + else if (*prefix == 'd') + ref_pattern->want_delete = 1; + else if (*prefix == 'm') + ref_pattern->want_modify = 1; + else if (*prefix == '!') + ref_pattern->negative_ref = 1; + prefix++; + } + prefix++; + } else { + ref_pattern->want_add = 1; + ref_pattern->want_delete = 1; + ref_pattern->want_modify = 1; + } + len = strlen(prefix); + while (len && prefix[len - 1] == '/') + len--; + ref_pattern->ref_prefix = xmemdupz(prefix, len); + if (!proc_receive_ref) { + proc_receive_ref = ref_pattern; + } else { + struct proc_receive_ref *end; + + end = proc_receive_ref; + while (end->next) + end = end->next; + end->next = ref_pattern; + } +} + +static int proc_receive_ref_matches(struct command *cmd) +{ + struct proc_receive_ref *p; + + if (!proc_receive_ref) + return 0; + + for (p = proc_receive_ref; p; p = p->next) { + const char *match = p->ref_prefix; + const char *remains; + + if (!p->want_add && is_null_oid(&cmd->old_oid)) + continue; + else if (!p->want_delete && is_null_oid(&cmd->new_oid)) + continue; + else if (!p->want_modify && + !is_null_oid(&cmd->old_oid) && + !is_null_oid(&cmd->new_oid)) + continue; + + if (skip_prefix(cmd->ref_name, match, &remains) && + (!*remains || *remains == '/')) { + if (!p->negative_ref) + return 1; + } else if (p->negative_ref) { + return 1; + } + } + return 0; +} static void report_message(const char *prefix, const char *err, va_list params) { @@ -339,6 +442,7 @@ static void report_message(const char *prefix, const char *err, va_list params) xwrite(2, msg, sz); } +__attribute__((format (printf, 1, 2))) static void rp_warning(const char *err, ...) { va_list params; @@ -347,6 +451,7 @@ static void rp_warning(const char *err, ...) va_end(params); } +__attribute__((format (printf, 1, 2))) static void rp_error(const char *err, ...) { va_list params; @@ -418,24 +523,22 @@ static int copy_to_sideband(int in, int out, void *arg) return 0; } -#define HMAC_BLOCK_SIZE 64 - -static void hmac_sha1(unsigned char *out, +static void hmac_hash(unsigned char *out, const char *key_in, size_t key_len, const char *text, size_t text_len) { - unsigned char key[HMAC_BLOCK_SIZE]; - unsigned char k_ipad[HMAC_BLOCK_SIZE]; - unsigned char k_opad[HMAC_BLOCK_SIZE]; + unsigned char key[GIT_MAX_BLKSZ]; + unsigned char k_ipad[GIT_MAX_BLKSZ]; + unsigned char k_opad[GIT_MAX_BLKSZ]; int i; - git_SHA_CTX ctx; + git_hash_ctx ctx; /* RFC 2104 2. (1) */ - memset(key, '\0', HMAC_BLOCK_SIZE); - if (HMAC_BLOCK_SIZE < key_len) { - git_SHA1_Init(&ctx); - git_SHA1_Update(&ctx, key_in, key_len); - git_SHA1_Final(key, &ctx); + memset(key, '\0', GIT_MAX_BLKSZ); + if (the_hash_algo->blksz < key_len) { + the_hash_algo->init_fn(&ctx); + the_hash_algo->update_fn(&ctx, key_in, key_len); + the_hash_algo->final_fn(key, &ctx); } else { memcpy(key, key_in, key_len); } @@ -447,29 +550,29 @@ static void hmac_sha1(unsigned char *out, } /* RFC 2104 2. (3) & (4) */ - git_SHA1_Init(&ctx); - git_SHA1_Update(&ctx, k_ipad, sizeof(k_ipad)); - git_SHA1_Update(&ctx, text, text_len); - git_SHA1_Final(out, &ctx); + the_hash_algo->init_fn(&ctx); + the_hash_algo->update_fn(&ctx, k_ipad, sizeof(k_ipad)); + the_hash_algo->update_fn(&ctx, text, text_len); + the_hash_algo->final_fn(out, &ctx); /* RFC 2104 2. (6) & (7) */ - git_SHA1_Init(&ctx); - git_SHA1_Update(&ctx, k_opad, sizeof(k_opad)); - git_SHA1_Update(&ctx, out, GIT_SHA1_RAWSZ); - git_SHA1_Final(out, &ctx); + the_hash_algo->init_fn(&ctx); + the_hash_algo->update_fn(&ctx, k_opad, sizeof(k_opad)); + the_hash_algo->update_fn(&ctx, out, the_hash_algo->rawsz); + the_hash_algo->final_fn(out, &ctx); } static char *prepare_push_cert_nonce(const char *path, timestamp_t stamp) { struct strbuf buf = STRBUF_INIT; - unsigned char sha1[GIT_SHA1_RAWSZ]; + unsigned char hash[GIT_MAX_RAWSZ]; strbuf_addf(&buf, "%s:%"PRItime, path, stamp); - hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed)); + hmac_hash(hash, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed)); strbuf_release(&buf); - /* RFC 2104 5. HMAC-SHA1-80 */ - strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, GIT_SHA1_HEXSZ, sha1_to_hex(sha1)); + /* RFC 2104 5. HMAC-SHA1 or HMAC-SHA256 */ + strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, (int)the_hash_algo->hexsz, hash_to_hex(hash)); return strbuf_detach(&buf, NULL); } @@ -501,12 +604,27 @@ static char *find_header(const char *msg, size_t len, const char *key, return NULL; } +/* + * Return zero if a and b are equal up to n bytes and nonzero if they are not. + * This operation is guaranteed to run in constant time to avoid leaking data. + */ +static int constant_memequal(const char *a, const char *b, size_t n) +{ + int res = 0; + size_t i; + + for (i = 0; i < n; i++) + res |= a[i] ^ b[i]; + return res; +} + static const char *check_nonce(const char *buf, size_t len) { char *nonce = find_header(buf, len, "nonce", NULL); timestamp_t stamp, ostamp; char *bohmac, *expect = NULL; const char *retval = NONCE_BAD; + size_t noncelen; if (!nonce) { retval = NONCE_MISSING; @@ -548,8 +666,14 @@ static const char *check_nonce(const char *buf, size_t len) goto leave; } + noncelen = strlen(nonce); expect = prepare_push_cert_nonce(service_dir, stamp); - if (strcmp(expect, nonce)) { + if (noncelen != strlen(expect)) { + /* This is not even the right size. */ + retval = NONCE_BAD; + goto leave; + } + if (constant_memequal(expect, nonce, noncelen)) { /* Not what we would have signed earlier */ retval = NONCE_BAD; goto leave; @@ -639,38 +763,39 @@ static void prepare_push_cert_sha1(struct child_process *proc) memset(&sigcheck, '\0', sizeof(sigcheck)); - bogs = parse_signature(push_cert.buf, push_cert.len); + bogs = parse_signed_buffer(push_cert.buf, push_cert.len); check_signature(push_cert.buf, bogs, push_cert.buf + bogs, push_cert.len - bogs, &sigcheck); nonce_status = check_nonce(push_cert.buf, bogs); } if (!is_null_oid(&push_cert_oid)) { - argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT=%s", - oid_to_hex(&push_cert_oid)); - argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s", - sigcheck.signer ? sigcheck.signer : ""); - argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s", - sigcheck.key ? sigcheck.key : ""); - argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_STATUS=%c", - sigcheck.result); + strvec_pushf(&proc->env_array, "GIT_PUSH_CERT=%s", + oid_to_hex(&push_cert_oid)); + strvec_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s", + sigcheck.signer ? sigcheck.signer : ""); + strvec_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s", + sigcheck.key ? sigcheck.key : ""); + strvec_pushf(&proc->env_array, "GIT_PUSH_CERT_STATUS=%c", + sigcheck.result); if (push_cert_nonce) { - argv_array_pushf(&proc->env_array, - "GIT_PUSH_CERT_NONCE=%s", - push_cert_nonce); - argv_array_pushf(&proc->env_array, - "GIT_PUSH_CERT_NONCE_STATUS=%s", - nonce_status); + strvec_pushf(&proc->env_array, + "GIT_PUSH_CERT_NONCE=%s", + push_cert_nonce); + strvec_pushf(&proc->env_array, + "GIT_PUSH_CERT_NONCE_STATUS=%s", + nonce_status); if (nonce_status == NONCE_SLOP) - argv_array_pushf(&proc->env_array, - "GIT_PUSH_CERT_NONCE_SLOP=%ld", - nonce_stamp_slop); + strvec_pushf(&proc->env_array, + "GIT_PUSH_CERT_NONCE_SLOP=%ld", + nonce_stamp_slop); } } } struct receive_hook_feed_state { struct command *cmd; + struct ref_push_report *report; int skip_broken; struct strbuf buf; const struct string_list *push_options; @@ -699,16 +824,16 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, if (feed_state->push_options) { int i; for (i = 0; i < feed_state->push_options->nr; i++) - argv_array_pushf(&proc.env_array, - "GIT_PUSH_OPTION_%d=%s", i, - feed_state->push_options->items[i].string); - argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT=%d", - feed_state->push_options->nr); + strvec_pushf(&proc.env_array, + "GIT_PUSH_OPTION_%d=%s", i, + feed_state->push_options->items[i].string); + strvec_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT=%d", + feed_state->push_options->nr); } else - argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT"); + strvec_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT"); if (tmp_objdir) - argv_array_pushv(&proc.env_array, tmp_objdir_env(tmp_objdir)); + strvec_pushv(&proc.env_array, tmp_objdir_env(tmp_objdir)); if (use_sideband) { memset(&muxer, 0, sizeof(muxer)); @@ -758,11 +883,31 @@ static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep) cmd = cmd->next; if (!cmd) return -1; /* EOF */ + if (!bufp) + return 0; /* OK, can feed something. */ strbuf_reset(&state->buf); - strbuf_addf(&state->buf, "%s %s %s\n", - oid_to_hex(&cmd->old_oid), oid_to_hex(&cmd->new_oid), - cmd->ref_name); - state->cmd = cmd->next; + if (!state->report) + state->report = cmd->report; + if (state->report) { + struct object_id *old_oid; + struct object_id *new_oid; + const char *ref_name; + + old_oid = state->report->old_oid ? state->report->old_oid : &cmd->old_oid; + new_oid = state->report->new_oid ? state->report->new_oid : &cmd->new_oid; + ref_name = state->report->ref_name ? state->report->ref_name : cmd->ref_name; + strbuf_addf(&state->buf, "%s %s %s\n", + oid_to_hex(old_oid), oid_to_hex(new_oid), + ref_name); + state->report = state->report->next; + if (!state->report) + state->cmd = cmd->next; + } else { + strbuf_addf(&state->buf, "%s %s %s\n", + oid_to_hex(&cmd->old_oid), oid_to_hex(&cmd->new_oid), + cmd->ref_name); + state->cmd = cmd->next; + } if (bufp) { *bufp = state->buf.buf; *sizep = state->buf.len; @@ -781,6 +926,7 @@ static int run_receive_hook(struct command *commands, strbuf_init(&state.buf, 0); state.cmd = commands; state.skip_broken = skip_broken; + state.report = NULL; if (feed_receive_hook(&state, NULL, NULL)) return 0; state.cmd = commands; @@ -819,14 +965,310 @@ static int run_update_hook(struct command *cmd) return finish_command(&proc); } -static int is_ref_checked_out(const char *ref) +static struct command *find_command_by_refname(struct command *list, + const char *refname) { - if (is_bare_repository()) - return 0; + for (; list; list = list->next) + if (!strcmp(list->ref_name, refname)) + return list; + return NULL; +} - if (!head_name) - return 0; - return !strcmp(head_name, ref); +static int read_proc_receive_report(struct packet_reader *reader, + struct command *commands, + struct strbuf *errmsg) +{ + struct command *cmd; + struct command *hint = NULL; + struct ref_push_report *report = NULL; + int new_report = 0; + int code = 0; + int once = 0; + int response = 0; + + for (;;) { + struct object_id old_oid, new_oid; + const char *head; + const char *refname; + char *p; + enum packet_read_status status; + + status = packet_reader_read(reader); + if (status != PACKET_READ_NORMAL) { + /* Check whether proc-receive exited abnormally */ + if (status == PACKET_READ_EOF && !response) { + strbuf_addstr(errmsg, "proc-receive exited abnormally"); + return -1; + } + break; + } + response++; + + head = reader->line; + p = strchr(head, ' '); + if (!p) { + strbuf_addf(errmsg, "proc-receive reported incomplete status line: '%s'\n", head); + code = -1; + continue; + } + *p++ = '\0'; + if (!strcmp(head, "option")) { + const char *key, *val; + + if (!hint || !(report || new_report)) { + if (!once++) + strbuf_addstr(errmsg, "proc-receive reported 'option' without a matching 'ok/ng' directive\n"); + code = -1; + continue; + } + if (new_report) { + if (!hint->report) { + CALLOC_ARRAY(hint->report, 1); + report = hint->report; + } else { + report = hint->report; + while (report->next) + report = report->next; + report->next = xcalloc(1, sizeof(struct ref_push_report)); + report = report->next; + } + new_report = 0; + } + key = p; + p = strchr(key, ' '); + if (p) + *p++ = '\0'; + val = p; + if (!strcmp(key, "refname")) + report->ref_name = xstrdup_or_null(val); + else if (!strcmp(key, "old-oid") && val && + !parse_oid_hex(val, &old_oid, &val)) + report->old_oid = oiddup(&old_oid); + else if (!strcmp(key, "new-oid") && val && + !parse_oid_hex(val, &new_oid, &val)) + report->new_oid = oiddup(&new_oid); + else if (!strcmp(key, "forced-update")) + report->forced_update = 1; + else if (!strcmp(key, "fall-through")) + /* Fall through, let 'receive-pack' to execute it. */ + hint->run_proc_receive = 0; + continue; + } + + report = NULL; + new_report = 0; + refname = p; + p = strchr(refname, ' '); + if (p) + *p++ = '\0'; + if (strcmp(head, "ok") && strcmp(head, "ng")) { + strbuf_addf(errmsg, "proc-receive reported bad status '%s' on ref '%s'\n", + head, refname); + code = -1; + continue; + } + + /* first try searching at our hint, falling back to all refs */ + if (hint) + hint = find_command_by_refname(hint, refname); + if (!hint) + hint = find_command_by_refname(commands, refname); + if (!hint) { + strbuf_addf(errmsg, "proc-receive reported status on unknown ref: %s\n", + refname); + code = -1; + continue; + } + if (!hint->run_proc_receive) { + strbuf_addf(errmsg, "proc-receive reported status on unexpected ref: %s\n", + refname); + code = -1; + continue; + } + hint->run_proc_receive |= RUN_PROC_RECEIVE_RETURNED; + if (!strcmp(head, "ng")) { + if (p) + hint->error_string = xstrdup(p); + else + hint->error_string = "failed"; + code = -1; + continue; + } + new_report = 1; + } + + for (cmd = commands; cmd; cmd = cmd->next) + if (cmd->run_proc_receive && !cmd->error_string && + !(cmd->run_proc_receive & RUN_PROC_RECEIVE_RETURNED)) { + cmd->error_string = "proc-receive failed to report status"; + code = -1; + } + return code; +} + +static int run_proc_receive_hook(struct command *commands, + const struct string_list *push_options) +{ + struct child_process proc = CHILD_PROCESS_INIT; + struct async muxer; + struct command *cmd; + const char *argv[2]; + struct packet_reader reader; + struct strbuf cap = STRBUF_INIT; + struct strbuf errmsg = STRBUF_INIT; + int hook_use_push_options = 0; + int version = 0; + int code; + + argv[0] = find_hook("proc-receive"); + if (!argv[0]) { + rp_error("cannot find hook 'proc-receive'"); + return -1; + } + argv[1] = NULL; + + proc.argv = argv; + proc.in = -1; + proc.out = -1; + proc.trace2_hook_name = "proc-receive"; + + if (use_sideband) { + memset(&muxer, 0, sizeof(muxer)); + muxer.proc = copy_to_sideband; + muxer.in = -1; + code = start_async(&muxer); + if (code) + return code; + proc.err = muxer.in; + } else { + proc.err = 0; + } + + code = start_command(&proc); + if (code) { + if (use_sideband) + finish_async(&muxer); + return code; + } + + sigchain_push(SIGPIPE, SIG_IGN); + + /* Version negotiaton */ + packet_reader_init(&reader, proc.out, NULL, 0, + PACKET_READ_CHOMP_NEWLINE | + PACKET_READ_GENTLE_ON_EOF); + if (use_atomic) + strbuf_addstr(&cap, " atomic"); + if (use_push_options) + strbuf_addstr(&cap, " push-options"); + if (cap.len) { + code = packet_write_fmt_gently(proc.in, "version=1%c%s\n", '\0', cap.buf + 1); + strbuf_release(&cap); + } else { + code = packet_write_fmt_gently(proc.in, "version=1\n"); + } + if (!code) + code = packet_flush_gently(proc.in); + + if (!code) + for (;;) { + int linelen; + enum packet_read_status status; + + status = packet_reader_read(&reader); + if (status != PACKET_READ_NORMAL) { + /* Check whether proc-receive exited abnormally */ + if (status == PACKET_READ_EOF) + code = -1; + break; + } + + if (reader.pktlen > 8 && starts_with(reader.line, "version=")) { + version = atoi(reader.line + 8); + linelen = strlen(reader.line); + if (linelen < reader.pktlen) { + const char *feature_list = reader.line + linelen + 1; + if (parse_feature_request(feature_list, "push-options")) + hook_use_push_options = 1; + } + } + } + + if (code) { + strbuf_addstr(&errmsg, "fail to negotiate version with proc-receive hook"); + goto cleanup; + } + + switch (version) { + case 0: + /* fallthrough */ + case 1: + break; + default: + strbuf_addf(&errmsg, "proc-receive version '%d' is not supported", + version); + code = -1; + goto cleanup; + } + + /* Send commands */ + for (cmd = commands; cmd; cmd = cmd->next) { + if (!cmd->run_proc_receive || cmd->skip_update || cmd->error_string) + continue; + code = packet_write_fmt_gently(proc.in, "%s %s %s", + oid_to_hex(&cmd->old_oid), + oid_to_hex(&cmd->new_oid), + cmd->ref_name); + if (code) + break; + } + if (!code) + code = packet_flush_gently(proc.in); + if (code) { + strbuf_addstr(&errmsg, "fail to write commands to proc-receive hook"); + goto cleanup; + } + + /* Send push options */ + if (hook_use_push_options) { + struct string_list_item *item; + + for_each_string_list_item(item, push_options) { + code = packet_write_fmt_gently(proc.in, "%s", item->string); + if (code) + break; + } + if (!code) + code = packet_flush_gently(proc.in); + if (code) { + strbuf_addstr(&errmsg, + "fail to write push-options to proc-receive hook"); + goto cleanup; + } + } + + /* Read result from proc-receive */ + code = read_proc_receive_report(&reader, commands, &errmsg); + +cleanup: + close(proc.in); + close(proc.out); + if (use_sideband) + finish_async(&muxer); + if (finish_command(&proc)) + code = -1; + if (errmsg.len >0) { + char *p = errmsg.buf; + + p += errmsg.len - 1; + if (*p == '\n') + *p = '\0'; + rp_error("%s", errmsg.buf); + strbuf_release(&errmsg); + } + sigchain_pop(SIGPIPE); + + return code; } static char *refuse_unconfigured_deny_msg = @@ -867,7 +1309,7 @@ static void refuse_unconfigured_deny_delete_current(void) static int command_singleton_iterator(void *cb_data, struct object_id *oid); static int update_shallow_ref(struct command *cmd, struct shallow_info *si) { - struct lock_file shallow_lock = LOCK_INIT; + struct shallow_lock shallow_lock = SHALLOW_LOCK_INIT; struct oid_array extra = OID_ARRAY_INIT; struct check_connected_options opt = CHECK_CONNECTED_INIT; uint32_t mask = 1 << (cmd->index % 32); @@ -884,12 +1326,12 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si) opt.env = tmp_objdir_env(tmp_objdir); setup_alternate_shallow(&shallow_lock, &opt.shallow_file, &extra); if (check_connected(command_singleton_iterator, cmd, &opt)) { - rollback_lock_file(&shallow_lock); + rollback_shallow_file(the_repository, &shallow_lock); oid_array_clear(&extra); return -1; } - commit_lock_file(&shallow_lock); + commit_shallow_file(the_repository, &shallow_lock); /* * Make sure setup_alternate_shallow() for the next ref does @@ -920,7 +1362,7 @@ static int head_has_history(void) } static const char *push_to_deploy(unsigned char *sha1, - struct argv_array *env, + struct strvec *env, const char *work_tree) { const char *update_refresh[] = { @@ -939,7 +1381,7 @@ static const char *push_to_deploy(unsigned char *sha1, struct child_process child = CHILD_PROCESS_INIT; child.argv = update_refresh; - child.env = env->argv; + child.env = env->v; child.dir = work_tree; child.no_stdin = 1; child.stdout_to_stderr = 1; @@ -950,7 +1392,7 @@ static const char *push_to_deploy(unsigned char *sha1, /* run_command() does not clean up completely; reinitialize */ child_process_init(&child); child.argv = diff_files; - child.env = env->argv; + child.env = env->v; child.dir = work_tree; child.no_stdin = 1; child.stdout_to_stderr = 1; @@ -963,7 +1405,7 @@ static const char *push_to_deploy(unsigned char *sha1, child_process_init(&child); child.argv = diff_index; - child.env = env->argv; + child.env = env->v; child.no_stdin = 1; child.no_stdout = 1; child.stdout_to_stderr = 0; @@ -971,10 +1413,10 @@ static const char *push_to_deploy(unsigned char *sha1, if (run_command(&child)) return "Working directory has staged changes"; - read_tree[3] = sha1_to_hex(sha1); + read_tree[3] = hash_to_hex(sha1); child_process_init(&child); child.argv = read_tree; - child.env = env->argv; + child.env = env->v; child.dir = work_tree; child.no_stdin = 1; child.no_stdout = 1; @@ -988,35 +1430,45 @@ static const char *push_to_deploy(unsigned char *sha1, static const char *push_to_checkout_hook = "push-to-checkout"; -static const char *push_to_checkout(unsigned char *sha1, - struct argv_array *env, +static const char *push_to_checkout(unsigned char *hash, + struct strvec *env, const char *work_tree) { - argv_array_pushf(env, "GIT_WORK_TREE=%s", absolute_path(work_tree)); - if (run_hook_le(env->argv, push_to_checkout_hook, - sha1_to_hex(sha1), NULL)) + strvec_pushf(env, "GIT_WORK_TREE=%s", absolute_path(work_tree)); + if (run_hook_le(env->v, push_to_checkout_hook, + hash_to_hex(hash), NULL)) return "push-to-checkout hook declined"; else return NULL; } -static const char *update_worktree(unsigned char *sha1) +static const char *update_worktree(unsigned char *sha1, const struct worktree *worktree) { - const char *retval; - const char *work_tree = git_work_tree_cfg ? git_work_tree_cfg : ".."; - struct argv_array env = ARGV_ARRAY_INIT; + const char *retval, *work_tree, *git_dir = NULL; + struct strvec env = STRVEC_INIT; + + if (worktree && worktree->path) + work_tree = worktree->path; + else if (git_work_tree_cfg) + work_tree = git_work_tree_cfg; + else + work_tree = ".."; if (is_bare_repository()) return "denyCurrentBranch = updateInstead needs a worktree"; + if (worktree) + git_dir = get_worktree_git_dir(worktree); + if (!git_dir) + git_dir = get_git_dir(); - argv_array_pushf(&env, "GIT_DIR=%s", absolute_path(get_git_dir())); + strvec_pushf(&env, "GIT_DIR=%s", absolute_path(git_dir)); if (!find_hook(push_to_checkout_hook)) retval = push_to_deploy(sha1, &env, work_tree); else retval = push_to_checkout(sha1, &env, work_tree); - argv_array_clear(&env); + strvec_clear(&env); return retval; } @@ -1029,6 +1481,7 @@ static const char *update(struct command *cmd, struct shallow_info *si) struct object_id *old_oid = &cmd->old_oid; struct object_id *new_oid = &cmd->new_oid; int do_update_worktree = 0; + const struct worktree *worktree = is_bare_repository() ? NULL : find_shared_symref("HEAD", name); /* only refs/... are allowed */ if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) { @@ -1040,7 +1493,7 @@ static const char *update(struct command *cmd, struct shallow_info *si) free(namespaced_name); namespaced_name = strbuf_detach(&namespaced_name_buf, NULL); - if (is_ref_checked_out(namespaced_name)) { + if (worktree) { switch (deny_current_branch) { case DENY_IGNORE: break; @@ -1072,7 +1525,7 @@ static const char *update(struct command *cmd, struct shallow_info *si) return "deletion prohibited"; } - if (head_name && !strcmp(namespaced_name, head_name)) { + if (worktree || (head_name && !strcmp(namespaced_name, head_name))) { switch (deny_delete_current) { case DENY_IGNORE: break; @@ -1121,7 +1574,7 @@ static const char *update(struct command *cmd, struct shallow_info *si) } if (do_update_worktree) { - ret = update_worktree(new_oid->hash); + ret = update_worktree(new_oid->hash, find_shared_symref("HEAD", name)); if (ret) return ret; } @@ -1183,11 +1636,11 @@ static void run_update_post_hook(struct command *commands) for (cmd = commands; cmd; cmd = cmd->next) { if (cmd->error_string || cmd->did_not_exist) continue; - if (!proc.args.argc) - argv_array_push(&proc.args, hook); - argv_array_push(&proc.args, cmd->ref_name); + if (!proc.args.nr) + strvec_push(&proc.args, hook); + strvec_push(&proc.args, cmd->ref_name); } - if (!proc.args.argc) + if (!proc.args.nr) return; proc.no_stdin = 1; @@ -1393,7 +1846,7 @@ static void execute_commands_non_atomic(struct command *commands, struct strbuf err = STRBUF_INIT; for (cmd = commands; cmd; cmd = cmd->next) { - if (!should_process_cmd(cmd)) + if (!should_process_cmd(cmd) || cmd->run_proc_receive) continue; transaction = ref_transaction_begin(&err); @@ -1433,7 +1886,7 @@ static void execute_commands_atomic(struct command *commands, } for (cmd = commands; cmd; cmd = cmd->next) { - if (!should_process_cmd(cmd)) + if (!should_process_cmd(cmd) || cmd->run_proc_receive) continue; cmd->error_string = update(cmd, si); @@ -1469,6 +1922,7 @@ static void execute_commands(struct command *commands, struct iterate_data data; struct async muxer; int err_fd = 0; + int run_proc_receive = 0; if (unpacker_error) { for (cmd = commands; cmd; cmd = cmd->next) @@ -1498,6 +1952,22 @@ static void execute_commands(struct command *commands, reject_updates_to_hidden(commands); + /* + * Try to find commands that have special prefix in their reference names, + * and mark them to run an external "proc-receive" hook later. + */ + if (proc_receive_ref) { + for (cmd = commands; cmd; cmd = cmd->next) { + if (!should_process_cmd(cmd)) + continue; + + if (proc_receive_ref_matches(cmd)) { + cmd->run_proc_receive = RUN_PROC_RECEIVE_SCHEDULED; + run_proc_receive = 1; + } + } + } + if (run_receive_hook(commands, "pre-receive", 0, push_options)) { for (cmd = commands; cmd; cmd = cmd->next) { if (!cmd->error_string) @@ -1524,6 +1994,14 @@ static void execute_commands(struct command *commands, free(head_name_to_free); head_name = head_name_to_free = resolve_refdup("HEAD", 0, NULL, NULL); + if (run_proc_receive && + run_proc_receive_hook(commands, push_options)) + for (cmd = commands; cmd; cmd = cmd->next) + if (!cmd->error_string && + !(cmd->run_proc_receive & RUN_PROC_RECEIVE_RETURNED) && + (cmd->run_proc_receive || use_atomic)) + cmd->error_string = "fail to run proc-receive hook"; + if (use_atomic) execute_commands_atomic(commands, si); else @@ -1571,7 +2049,7 @@ static void queue_commands_from_cert(struct command **tail, die("malformed push certificate %.*s", 100, push_cert->buf); else boc += 2; - eoc = push_cert->buf + parse_signature(push_cert->buf, push_cert->len); + eoc = push_cert->buf + parse_signed_buffer(push_cert->buf, push_cert->len); while (boc < eoc) { const char *eol = memchr(boc, '\n', eoc - boc); @@ -1603,8 +2081,13 @@ static struct command *read_head_info(struct packet_reader *reader, linelen = strlen(reader->line); if (linelen < reader->pktlen) { const char *feature_list = reader->line + linelen + 1; + const char *hash = NULL; + const char *client_sid; + int len = 0; if (parse_feature_request(feature_list, "report-status")) report_status = 1; + if (parse_feature_request(feature_list, "report-status-v2")) + report_status_v2 = 1; if (parse_feature_request(feature_list, "side-band-64k")) use_sideband = LARGE_PACKET_MAX; if (parse_feature_request(feature_list, "quiet")) @@ -1615,6 +2098,19 @@ static struct command *read_head_info(struct packet_reader *reader, if (advertise_push_options && parse_feature_request(feature_list, "push-options")) use_push_options = 1; + hash = parse_feature_value(feature_list, "object-format", &len, NULL); + if (!hash) { + hash = hash_algos[GIT_HASH_SHA1].name; + len = strlen(hash); + } + if (xstrncmpz(the_hash_algo->name, hash, len)) + die("error: unsupported object format '%s'", hash); + client_sid = parse_feature_value(feature_list, "session-id", &len, NULL); + if (client_sid) { + char *sid = xstrndup(client_sid, len); + trace2_data_string("transfer", NULL, "client-sid", client_sid); + free(sid); + } } if (!strcmp(reader->line, "push-cert")) { @@ -1684,10 +2180,10 @@ static const char *parse_pack_header(struct pack_header *hdr) static const char *pack_lockfile; -static void push_header_arg(struct argv_array *args, struct pack_header *hdr) +static void push_header_arg(struct strvec *args, struct pack_header *hdr) { - argv_array_pushf(args, "--pack_header=%"PRIu32",%"PRIu32, - ntohl(hdr->hdr_version), ntohl(hdr->hdr_entries)); + strvec_pushf(args, "--pack_header=%"PRIu32",%"PRIu32, + ntohl(hdr->hdr_version), ntohl(hdr->hdr_entries)); } static const char *unpack(int err_fd, struct shallow_info *si) @@ -1711,8 +2207,8 @@ static const char *unpack(int err_fd, struct shallow_info *si) if (si->nr_ours || si->nr_theirs) { alt_shallow_file = setup_temporary_shallow(si->shallow); - argv_array_push(&child.args, "--shallow-file"); - argv_array_push(&child.args, alt_shallow_file); + strvec_push(&child.args, "--shallow-file"); + strvec_push(&child.args, alt_shallow_file); } tmp_objdir = tmp_objdir_create(); @@ -1731,16 +2227,16 @@ static const char *unpack(int err_fd, struct shallow_info *si) tmp_objdir_add_as_alternate(tmp_objdir); if (ntohl(hdr.hdr_entries) < unpack_limit) { - argv_array_push(&child.args, "unpack-objects"); + strvec_push(&child.args, "unpack-objects"); push_header_arg(&child.args, &hdr); if (quiet) - argv_array_push(&child.args, "-q"); + strvec_push(&child.args, "-q"); if (fsck_objects) - argv_array_pushf(&child.args, "--strict%s", - fsck_msg_types.buf); + strvec_pushf(&child.args, "--strict%s", + fsck_msg_types.buf); if (max_input_size) - argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX, - (uintmax_t)max_input_size); + strvec_pushf(&child.args, "--max-input-size=%"PRIuMAX, + (uintmax_t)max_input_size); child.no_stdout = 1; child.err = err_fd; child.git_cmd = 1; @@ -1750,35 +2246,35 @@ static const char *unpack(int err_fd, struct shallow_info *si) } else { char hostname[HOST_NAME_MAX + 1]; - argv_array_pushl(&child.args, "index-pack", "--stdin", NULL); + strvec_pushl(&child.args, "index-pack", "--stdin", NULL); push_header_arg(&child.args, &hdr); if (xgethostname(hostname, sizeof(hostname))) xsnprintf(hostname, sizeof(hostname), "localhost"); - argv_array_pushf(&child.args, - "--keep=receive-pack %"PRIuMAX" on %s", - (uintmax_t)getpid(), - hostname); + strvec_pushf(&child.args, + "--keep=receive-pack %"PRIuMAX" on %s", + (uintmax_t)getpid(), + hostname); if (!quiet && err_fd) - argv_array_push(&child.args, "--show-resolving-progress"); + strvec_push(&child.args, "--show-resolving-progress"); if (use_sideband) - argv_array_push(&child.args, "--report-end-of-input"); + strvec_push(&child.args, "--report-end-of-input"); if (fsck_objects) - argv_array_pushf(&child.args, "--strict%s", - fsck_msg_types.buf); + strvec_pushf(&child.args, "--strict%s", + fsck_msg_types.buf); if (!reject_thin) - argv_array_push(&child.args, "--fix-thin"); + strvec_push(&child.args, "--fix-thin"); if (max_input_size) - argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX, - (uintmax_t)max_input_size); + strvec_pushf(&child.args, "--max-input-size=%"PRIuMAX, + (uintmax_t)max_input_size); child.out = -1; child.err = err_fd; child.git_cmd = 1; status = start_command(&child); if (status) return "index-pack fork failed"; - pack_lockfile = index_pack_lockfile(child.out); + pack_lockfile = index_pack_lockfile(child.out, NULL); close(child.out); status = finish_command(&child); if (status) @@ -1809,19 +2305,16 @@ static const char *unpack_with_sideband(struct shallow_info *si) return ret; } -static void prepare_shallow_update(struct command *commands, - struct shallow_info *si) +static void prepare_shallow_update(struct shallow_info *si) { int i, j, k, bitmap_size = DIV_ROUND_UP(si->ref->nr, 32); ALLOC_ARRAY(si->used_shallow, si->shallow->nr); assign_shallow_commits_to_refs(si, si->used_shallow, NULL); - si->need_reachability_test = - xcalloc(si->shallow->nr, sizeof(*si->need_reachability_test)); - si->reachable = - xcalloc(si->shallow->nr, sizeof(*si->reachable)); - si->shallow_ref = xcalloc(si->ref->nr, sizeof(*si->shallow_ref)); + CALLOC_ARRAY(si->need_reachability_test, si->shallow->nr); + CALLOC_ARRAY(si->reachable, si->shallow->nr); + CALLOC_ARRAY(si->shallow_ref, si->ref->nr); for (i = 0; i < si->nr_ours; i++) si->need_reachability_test[si->ours[i]] = 1; @@ -1876,7 +2369,7 @@ static void update_shallow_info(struct command *commands, si->ref = ref; if (shallow_update) { - prepare_shallow_update(commands, si); + prepare_shallow_update(si); return; } @@ -1917,6 +2410,51 @@ static void report(struct command *commands, const char *unpack_status) strbuf_release(&buf); } +static void report_v2(struct command *commands, const char *unpack_status) +{ + struct command *cmd; + struct strbuf buf = STRBUF_INIT; + struct ref_push_report *report; + + packet_buf_write(&buf, "unpack %s\n", + unpack_status ? unpack_status : "ok"); + for (cmd = commands; cmd; cmd = cmd->next) { + int count = 0; + + if (cmd->error_string) { + packet_buf_write(&buf, "ng %s %s\n", + cmd->ref_name, + cmd->error_string); + continue; + } + packet_buf_write(&buf, "ok %s\n", + cmd->ref_name); + for (report = cmd->report; report; report = report->next) { + if (count++ > 0) + packet_buf_write(&buf, "ok %s\n", + cmd->ref_name); + if (report->ref_name) + packet_buf_write(&buf, "option refname %s\n", + report->ref_name); + if (report->old_oid) + packet_buf_write(&buf, "option old-oid %s\n", + oid_to_hex(report->old_oid)); + if (report->new_oid) + packet_buf_write(&buf, "option new-oid %s\n", + oid_to_hex(report->new_oid)); + if (report->forced_update) + packet_buf_write(&buf, "option forced-update\n"); + } + } + packet_buf_flush(&buf); + + if (use_sideband) + send_sideband(1, 1, buf.buf, buf.len, use_sideband); + else + write_or_die(1, buf.buf, buf.len); + strbuf_release(&buf); +} + static int delete_only(struct command *commands) { struct command *cmd; @@ -2025,7 +2563,9 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) &push_options); if (pack_lockfile) unlink_or_warn(pack_lockfile); - if (report_status) + if (report_status_v2) + report_v2(commands, unpack_status); + else if (report_status) report(commands, unpack_status); run_receive_hook(commands, "post-receive", 1, &push_options); diff --git a/builtin/reflog.c b/builtin/reflog.c index 4d3430900d..09541d1c80 100644 --- a/builtin/reflog.c +++ b/builtin/reflog.c @@ -459,7 +459,7 @@ static struct reflog_expire_cfg *find_cfg_ent(const char *pattern, size_t len) static int reflog_expire_config(const char *var, const char *value, void *cb) { const char *pattern, *key; - int pattern_len; + size_t pattern_len; timestamp_t expire; int slot; struct reflog_expire_cfg *ent; @@ -560,15 +560,16 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) for (i = 1; i < argc; i++) { const char *arg = argv[i]; + if (!strcmp(arg, "--dry-run") || !strcmp(arg, "-n")) flags |= EXPIRE_REFLOGS_DRY_RUN; - else if (starts_with(arg, "--expire=")) { - if (parse_expiry_date(arg + 9, &cb.cmd.expire_total)) + else if (skip_prefix(arg, "--expire=", &arg)) { + if (parse_expiry_date(arg, &cb.cmd.expire_total)) die(_("'%s' is not a valid timestamp"), arg); explicit_expiry |= EXPIRE_TOTAL; } - else if (starts_with(arg, "--expire-unreachable=")) { - if (parse_expiry_date(arg + 21, &cb.cmd.expire_unreachable)) + else if (skip_prefix(arg, "--expire-unreachable=", &arg)) { + if (parse_expiry_date(arg, &cb.cmd.expire_unreachable)) die(_("'%s' is not a valid timestamp"), arg); explicit_expiry |= EXPIRE_UNREACH; } @@ -601,6 +602,9 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) */ if (cb.cmd.stalefix) { repo_init_revisions(the_repository, &cb.cmd.revs, prefix); + cb.cmd.revs.do_not_die_on_missing_tree = 1; + cb.cmd.revs.ignore_missing = 1; + cb.cmd.revs.ignore_missing_links = 1; if (flags & EXPIRE_REFLOGS_VERBOSE) printf(_("Marking reachable objects...")); mark_reachable_objects(&cb.cmd.revs, 0, 0, NULL); @@ -614,7 +618,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) int i; memset(&collected, 0, sizeof(collected)); - worktrees = get_worktrees(0); + worktrees = get_worktrees(); for (p = worktrees; *p; p++) { if (!all_worktrees && !(*p)->is_current) continue; diff --git a/builtin/remote-ext.c b/builtin/remote-ext.c index 6a9127a33c..fd3538d4f0 100644 --- a/builtin/remote-ext.c +++ b/builtin/remote-ext.c @@ -117,12 +117,12 @@ static char *strip_escapes(const char *str, const char *service, } } -static void parse_argv(struct argv_array *out, const char *arg, const char *service) +static void parse_argv(struct strvec *out, const char *arg, const char *service) { while (*arg) { char *expanded = strip_escapes(arg, service, &arg); if (expanded) - argv_array_push(out, expanded); + strvec_push(out, expanded); free(expanded); } } diff --git a/builtin/remote.c b/builtin/remote.c index f7edf7f2cb..7f88e6ce9d 100644 --- a/builtin/remote.c +++ b/builtin/remote.c @@ -6,10 +6,11 @@ #include "string-list.h" #include "strbuf.h" #include "run-command.h" +#include "rebase.h" #include "refs.h" #include "refspec.h" #include "object-store.h" -#include "argv-array.h" +#include "strvec.h" #include "commit-reach.h" static const char * const builtin_remote_usage[] = { @@ -169,9 +170,9 @@ static int add(int argc, const char **argv) OPT_STRING_LIST('t', "track", &track, N_("branch"), N_("branch(es) to track")), OPT_STRING('m', "master", &master, N_("branch"), N_("master branch")), - { OPTION_CALLBACK, 0, "mirror", &mirror, "(push|fetch)", + OPT_CALLBACK_F(0, "mirror", &mirror, "(push|fetch)", N_("set up remote as a mirror to push to or fetch from"), - PARSE_OPT_OPTARG | PARSE_OPT_COMP_ARG, parse_mirror_opt }, + PARSE_OPT_OPTARG | PARSE_OPT_COMP_ARG, parse_mirror_opt), OPT_END() }; @@ -190,11 +191,12 @@ static int add(int argc, const char **argv) url = argv[1]; remote = remote_get(name); - if (remote_is_configured(remote, 1)) - die(_("remote %s already exists."), name); + if (remote_is_configured(remote, 1)) { + error(_("remote %s already exists."), name); + exit(3); + } - strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name); - if (!valid_fetch_refspec(buf2.buf)) + if (!valid_remote_name(name)) die(_("'%s' is not a valid remote name"), name); strbuf_addf(&buf, "remote.%s.url", name); @@ -219,7 +221,7 @@ static int add(int argc, const char **argv) if (fetch_tags != TAGS_DEFAULT) { strbuf_reset(&buf); - strbuf_addf(&buf, "remote.%s.tagopt", name); + strbuf_addf(&buf, "remote.%s.tagOpt", name); git_config_set(buf.buf, fetch_tags == TAGS_SET ? "--tags" : "--no-tags"); } @@ -248,9 +250,8 @@ static int add(int argc, const char **argv) struct branch_info { char *remote_name; struct string_list merge; - enum { - NO_REBASE, NORMAL_REBASE, INTERACTIVE_REBASE, REBASE_MERGES - } rebase; + enum rebase_type rebase; + char *push_remote_name; }; static struct string_list branch_list = STRING_LIST_INIT_NODUP; @@ -264,59 +265,69 @@ static const char *abbrev_ref(const char *name, const char *prefix) static int config_read_branches(const char *key, const char *value, void *cb) { - if (starts_with(key, "branch.")) { - const char *orig_key = key; - char *name; - struct string_list_item *item; - struct branch_info *info; - enum { REMOTE, MERGE, REBASE } type; - size_t key_len; - - key += 7; - if (strip_suffix(key, ".remote", &key_len)) { - name = xmemdupz(key, key_len); - type = REMOTE; - } else if (strip_suffix(key, ".merge", &key_len)) { - name = xmemdupz(key, key_len); - type = MERGE; - } else if (strip_suffix(key, ".rebase", &key_len)) { - name = xmemdupz(key, key_len); - type = REBASE; - } else - return 0; + const char *orig_key = key; + char *name; + struct string_list_item *item; + struct branch_info *info; + enum { REMOTE, MERGE, REBASE, PUSH_REMOTE } type; + size_t key_len; - item = string_list_insert(&branch_list, name); + if (!starts_with(key, "branch.")) + return 0; - if (!item->util) - item->util = xcalloc(1, sizeof(struct branch_info)); - info = item->util; - if (type == REMOTE) { - if (info->remote_name) - warning(_("more than one %s"), orig_key); - info->remote_name = xstrdup(value); - } else if (type == MERGE) { - char *space = strchr(value, ' '); - value = abbrev_branch(value); - while (space) { - char *merge; - merge = xstrndup(value, space - value); - string_list_append(&info->merge, merge); - value = abbrev_branch(space + 1); - space = strchr(value, ' '); - } - string_list_append(&info->merge, xstrdup(value)); - } else { - int v = git_parse_maybe_bool(value); - if (v >= 0) - info->rebase = v; - else if (!strcmp(value, "preserve")) - info->rebase = NORMAL_REBASE; - else if (!strcmp(value, "merges")) - info->rebase = REBASE_MERGES; - else if (!strcmp(value, "interactive")) - info->rebase = INTERACTIVE_REBASE; + key += strlen("branch."); + if (strip_suffix(key, ".remote", &key_len)) + type = REMOTE; + else if (strip_suffix(key, ".merge", &key_len)) + type = MERGE; + else if (strip_suffix(key, ".rebase", &key_len)) + type = REBASE; + else if (strip_suffix(key, ".pushremote", &key_len)) + type = PUSH_REMOTE; + else + return 0; + name = xmemdupz(key, key_len); + + item = string_list_insert(&branch_list, name); + + if (!item->util) + item->util = xcalloc(1, sizeof(struct branch_info)); + info = item->util; + switch (type) { + case REMOTE: + if (info->remote_name) + warning(_("more than one %s"), orig_key); + info->remote_name = xstrdup(value); + break; + case MERGE: { + char *space = strchr(value, ' '); + value = abbrev_branch(value); + while (space) { + char *merge; + merge = xstrndup(value, space - value); + string_list_append(&info->merge, merge); + value = abbrev_branch(space + 1); + space = strchr(value, ' '); } + string_list_append(&info->merge, xstrdup(value)); + break; + } + case REBASE: + /* + * Consider invalid values as false and check the + * truth value with >= REBASE_TRUE. + */ + info->rebase = rebase_parse_value(value); + break; + case PUSH_REMOTE: + if (info->push_remote_name) + warning(_("more than one %s"), orig_key); + info->push_remote_name = xstrdup(value); + break; + default: + BUG("unexpected type=%d", type); } + return 0; } @@ -468,6 +479,7 @@ static int get_head_names(const struct ref *remote_refs, struct ref_states *stat struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map; struct refspec_item refspec; + memset(&refspec, 0, sizeof(refspec)); refspec.force = 0; refspec.pattern = 1; refspec.src = refspec.dst = "refs/heads/*"; @@ -605,6 +617,56 @@ static int migrate_file(struct remote *remote) return 0; } +struct push_default_info +{ + const char *old_name; + enum config_scope scope; + struct strbuf origin; + int linenr; +}; + +static int config_read_push_default(const char *key, const char *value, + void *cb) +{ + struct push_default_info* info = cb; + if (strcmp(key, "remote.pushdefault") || + !value || strcmp(value, info->old_name)) + return 0; + + info->scope = current_config_scope(); + strbuf_reset(&info->origin); + strbuf_addstr(&info->origin, current_config_name()); + info->linenr = current_config_line(); + + return 0; +} + +static void handle_push_default(const char* old_name, const char* new_name) +{ + struct push_default_info push_default = { + old_name, CONFIG_SCOPE_UNKNOWN, STRBUF_INIT, -1 }; + git_config(config_read_push_default, &push_default); + if (push_default.scope >= CONFIG_SCOPE_COMMAND) + ; /* pass */ + else if (push_default.scope >= CONFIG_SCOPE_LOCAL) { + int result = git_config_set_gently("remote.pushDefault", + new_name); + if (new_name && result && result != CONFIG_NOTHING_SET) + die(_("could not set '%s'"), "remote.pushDefault"); + else if (!new_name && result && result != CONFIG_NOTHING_SET) + die(_("could not unset '%s'"), "remote.pushDefault"); + } else if (push_default.scope >= CONFIG_SCOPE_SYSTEM) { + /* warn */ + warning(_("The %s configuration remote.pushDefault in:\n" + "\t%s:%d\n" + "now names the non-existent remote '%s'"), + config_scope_name(push_default.scope), + push_default.origin.buf, push_default.linenr, + old_name); + } +} + + static int mv(int argc, const char **argv) { struct option options[] = { @@ -625,21 +687,23 @@ static int mv(int argc, const char **argv) rename.remote_branches = &remote_branches; oldremote = remote_get(rename.old_name); - if (!remote_is_configured(oldremote, 1)) - die(_("No such remote: '%s'"), rename.old_name); + if (!remote_is_configured(oldremote, 1)) { + error(_("No such remote: '%s'"), rename.old_name); + exit(2); + } if (!strcmp(rename.old_name, rename.new_name) && oldremote->origin != REMOTE_CONFIG) return migrate_file(oldremote); newremote = remote_get(rename.new_name); - if (remote_is_configured(newremote, 1)) - die(_("remote %s already exists."), rename.new_name); + if (remote_is_configured(newremote, 1)) { + error(_("remote %s already exists."), rename.new_name); + exit(3); + } - strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new_name); - if (!valid_fetch_refspec(buf.buf)) + if (!valid_remote_name(rename.new_name)) die(_("'%s' is not a valid remote name"), rename.new_name); - strbuf_reset(&buf); strbuf_addf(&buf, "remote.%s", rename.old_name); strbuf_addf(&buf2, "remote.%s", rename.new_name); if (git_config_rename_section(buf.buf, buf2.buf) < 1) @@ -648,7 +712,7 @@ static int mv(int argc, const char **argv) strbuf_reset(&buf); strbuf_addf(&buf, "remote.%s.fetch", rename.new_name); - git_config_set_multivar(buf.buf, NULL, NULL, 1); + git_config_set_multivar(buf.buf, NULL, NULL, CONFIG_FLAGS_MULTI_REPLACE); strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old_name); for (i = 0; i < oldremote->fetch.raw_nr; i++) { char *ptr; @@ -680,6 +744,11 @@ static int mv(int argc, const char **argv) strbuf_addf(&buf, "branch.%s.remote", item->string); git_config_set(buf.buf, rename.new_name); } + if (info->push_remote_name && !strcmp(info->push_remote_name, rename.old_name)) { + strbuf_reset(&buf); + strbuf_addf(&buf, "branch.%s.pushRemote", item->string); + git_config_set(buf.buf, rename.new_name); + } } if (!refspec_updated) @@ -693,9 +762,8 @@ static int mv(int argc, const char **argv) for (i = 0; i < remote_branches.nr; i++) { struct string_list_item *item = remote_branches.items + i; int flag = 0; - struct object_id oid; - read_ref_full(item->string, RESOLVE_REF_READING, &oid, &flag); + read_ref_full(item->string, RESOLVE_REF_READING, NULL, &flag); if (!(flag & REF_ISSYMREF)) continue; if (delete_ref(NULL, item->string, NULL, REF_NO_DEREF)) @@ -736,6 +804,9 @@ static int mv(int argc, const char **argv) die(_("creating '%s' failed"), buf.buf); } string_list_clear(&remote_branches, 1); + + handle_push_default(rename.old_name, rename.new_name); + return 0; } @@ -761,8 +832,10 @@ static int rm(int argc, const char **argv) usage_with_options(builtin_remote_rm_usage, options); remote = remote_get(argv[1]); - if (!remote_is_configured(remote, 1)) - die(_("No such remote: '%s'"), argv[1]); + if (!remote_is_configured(remote, 1)) { + error(_("No such remote: '%s'"), argv[1]); + exit(2); + } known_remotes.to_delete = remote; for_each_remote(add_known_remote, &known_remotes); @@ -782,6 +855,13 @@ static int rm(int argc, const char **argv) die(_("could not unset '%s'"), buf.buf); } } + if (info->push_remote_name && !strcmp(info->push_remote_name, remote->name)) { + strbuf_reset(&buf); + strbuf_addf(&buf, "branch.%s.pushremote", item->string); + result = git_config_set_gently(buf.buf, NULL); + if (result && result != CONFIG_NOTHING_SET) + die(_("could not unset '%s'"), buf.buf); + } } /* @@ -814,6 +894,8 @@ static int rm(int argc, const char **argv) strbuf_addf(&buf, "remote.%s", remote->name); if (git_config_rename_section(buf.buf, NULL) < 1) return error(_("Could not remove config section '%s'"), buf.buf); + + handle_push_default(remote->name, NULL); } return result; @@ -856,9 +938,6 @@ static int get_remote_ref_states(const char *name, struct ref_states *states, int query) { - struct transport *transport; - const struct ref *remote_refs; - states->remote = remote_get(name); if (!states->remote) return error(_("No such remote: '%s'"), name); @@ -866,10 +945,12 @@ static int get_remote_ref_states(const char *name, read_branches(); if (query) { + struct transport *transport; + const struct ref *remote_refs; + transport = transport_get(states->remote, states->remote->url_nr > 0 ? states->remote->url[0] : NULL); remote_refs = transport_get_remote_refs(transport, NULL); - transport_disconnect(transport); states->queried = 1; if (query & GET_REF_STATES) @@ -878,6 +959,7 @@ static int get_remote_ref_states(const char *name, get_head_names(remote_refs, states); if (query & GET_PUSH_REF_STATES) get_push_ref_states(remote_refs, states); + transport_disconnect(transport); } else { for_each_ref(append_ref_to_tracked_list, states); string_list_sort(&states->tracked); @@ -944,7 +1026,7 @@ static int add_local_to_show_info(struct string_list_item *branch_item, void *cb return 0; if ((n = strlen(branch_item->string)) > show_info->width) show_info->width = n; - if (branch_info->rebase) + if (branch_info->rebase >= REBASE_TRUE) show_info->any_rebase = 1; item = string_list_insert(show_info->list, branch_item->string); @@ -961,16 +1043,16 @@ static int show_local_info_item(struct string_list_item *item, void *cb_data) int width = show_info->width + 4; int i; - if (branch_info->rebase && branch_info->merge.nr > 1) { + if (branch_info->rebase >= REBASE_TRUE && branch_info->merge.nr > 1) { error(_("invalid branch.%s.merge; cannot rebase onto > 1 branch"), item->string); return 0; } printf(" %-*s ", show_info->width, item->string); - if (branch_info->rebase) { + if (branch_info->rebase >= REBASE_TRUE) { const char *msg; - if (branch_info->rebase == INTERACTIVE_REBASE) + if (branch_info->rebase == REBASE_INTERACTIVE) msg = _("rebases interactively onto remote %s"); else if (branch_info->rebase == REBASE_MERGES) msg = _("rebases interactively (with merges) onto " @@ -1279,7 +1361,7 @@ static int set_head(int argc, const char **argv) result |= error(_("Not a valid ref: %s"), buf2.buf); else if (create_symref(buf.buf, buf2.buf, "remote set-head")) result |= error(_("Could not setup %s"), buf.buf); - if (opt_a) + else if (opt_a) printf("%s/HEAD set to %s\n", argv[0], head_name); free(head_name); } @@ -1375,41 +1457,42 @@ static int update(int argc, const char **argv) N_("prune remotes after fetching")), OPT_END() }; - struct argv_array fetch_argv = ARGV_ARRAY_INIT; + struct strvec fetch_argv = STRVEC_INIT; int default_defined = 0; int retval; argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage, PARSE_OPT_KEEP_ARGV0); - argv_array_push(&fetch_argv, "fetch"); + strvec_push(&fetch_argv, "fetch"); if (prune != -1) - argv_array_push(&fetch_argv, prune ? "--prune" : "--no-prune"); + strvec_push(&fetch_argv, prune ? "--prune" : "--no-prune"); if (verbose) - argv_array_push(&fetch_argv, "-v"); - argv_array_push(&fetch_argv, "--multiple"); + strvec_push(&fetch_argv, "-v"); + strvec_push(&fetch_argv, "--multiple"); if (argc < 2) - argv_array_push(&fetch_argv, "default"); + strvec_push(&fetch_argv, "default"); for (i = 1; i < argc; i++) - argv_array_push(&fetch_argv, argv[i]); + strvec_push(&fetch_argv, argv[i]); - if (strcmp(fetch_argv.argv[fetch_argv.argc-1], "default") == 0) { + if (strcmp(fetch_argv.v[fetch_argv.nr-1], "default") == 0) { git_config(get_remote_default, &default_defined); if (!default_defined) { - argv_array_pop(&fetch_argv); - argv_array_push(&fetch_argv, "--all"); + strvec_pop(&fetch_argv); + strvec_push(&fetch_argv, "--all"); } } - retval = run_command_v_opt(fetch_argv.argv, RUN_GIT_CMD); - argv_array_clear(&fetch_argv); + retval = run_command_v_opt(fetch_argv.v, RUN_GIT_CMD); + strvec_clear(&fetch_argv); return retval; } -static int remove_all_fetch_refspecs(const char *remote, const char *key) +static int remove_all_fetch_refspecs(const char *key) { - return git_config_set_multivar_gently(key, NULL, NULL, 1); + return git_config_set_multivar_gently(key, NULL, NULL, + CONFIG_FLAGS_MULTI_REPLACE); } static void add_branches(struct remote *remote, const char **branches, @@ -1434,10 +1517,12 @@ static int set_remote_branches(const char *remotename, const char **branches, strbuf_addf(&key, "remote.%s.fetch", remotename); remote = remote_get(remotename); - if (!remote_is_configured(remote, 1)) - die(_("No such remote '%s'"), remotename); + if (!remote_is_configured(remote, 1)) { + error(_("No such remote '%s'"), remotename); + exit(2); + } - if (!add_mode && remove_all_fetch_refspecs(remotename, key.buf)) { + if (!add_mode && remove_all_fetch_refspecs(key.buf)) { strbuf_release(&key); return 1; } @@ -1488,8 +1573,10 @@ static int get_url(int argc, const char **argv) remotename = argv[0]; remote = remote_get(remotename); - if (!remote_is_configured(remote, 1)) - die(_("No such remote '%s'"), remotename); + if (!remote_is_configured(remote, 1)) { + error(_("No such remote '%s'"), remotename); + exit(2); + } url_nr = 0; if (push_mode) { @@ -1556,8 +1643,10 @@ static int set_url(int argc, const char **argv) oldurl = newurl; remote = remote_get(remotename); - if (!remote_is_configured(remote, 1)) - die(_("No such remote '%s'"), remotename); + if (!remote_is_configured(remote, 1)) { + error(_("No such remote '%s'"), remotename); + exit(2); + } if (push_mode) { strbuf_addf(&name_buf, "remote.%s.pushurl", remotename); @@ -1598,7 +1687,8 @@ static int set_url(int argc, const char **argv) if (!delete_mode) git_config_set_multivar(name_buf.buf, newurl, oldurl, 0); else - git_config_set_multivar(name_buf.buf, NULL, oldurl, 1); + git_config_set_multivar(name_buf.buf, NULL, oldurl, + CONFIG_FLAGS_MULTI_REPLACE); out: strbuf_release(&name_buf); return 0; diff --git a/builtin/repack.c b/builtin/repack.c index f834b5551b..5f9bc74adc 100644 --- a/builtin/repack.c +++ b/builtin/repack.c @@ -7,16 +7,20 @@ #include "sigchain.h" #include "strbuf.h" #include "string-list.h" -#include "argv-array.h" +#include "strvec.h" #include "midx.h" #include "packfile.h" +#include "prune-packed.h" #include "object-store.h" +#include "promisor-remote.h" +#include "shallow.h" +#include "pack.h" static int delta_base_offset = 1; static int pack_kept_objects = -1; static int write_bitmaps = -1; static int use_delta_islands; -static char *packdir, *packtmp; +static char *packdir, *packtmp_name, *packtmp; static const char *const git_repack_usage[] = { N_("git repack [<options>]"), @@ -129,19 +133,13 @@ static void get_non_kept_pack_filenames(struct string_list *fname_list, static void remove_redundant_pack(const char *dir_name, const char *base_name) { - const char *exts[] = {".pack", ".idx", ".keep", ".bitmap", ".promisor"}; - int i; struct strbuf buf = STRBUF_INIT; - size_t plen; - - strbuf_addf(&buf, "%s/%s", dir_name, base_name); - plen = buf.len; - - for (i = 0; i < ARRAY_SIZE(exts); i++) { - strbuf_setlen(&buf, plen); - strbuf_addstr(&buf, exts[i]); - unlink(buf.buf); - } + struct multi_pack_index *m = get_local_multi_pack_index(the_repository); + strbuf_addf(&buf, "%s.pack", base_name); + if (m && midx_contains_pack(m, buf.buf)) + clear_midx_file(the_repository); + strbuf_insertf(&buf, 0, "%s/", dir_name); + unlink_pack_path(buf.buf, 1); strbuf_release(&buf); } @@ -160,28 +158,28 @@ struct pack_objects_args { static void prepare_pack_objects(struct child_process *cmd, const struct pack_objects_args *args) { - argv_array_push(&cmd->args, "pack-objects"); + strvec_push(&cmd->args, "pack-objects"); if (args->window) - argv_array_pushf(&cmd->args, "--window=%s", args->window); + strvec_pushf(&cmd->args, "--window=%s", args->window); if (args->window_memory) - argv_array_pushf(&cmd->args, "--window-memory=%s", args->window_memory); + strvec_pushf(&cmd->args, "--window-memory=%s", args->window_memory); if (args->depth) - argv_array_pushf(&cmd->args, "--depth=%s", args->depth); + strvec_pushf(&cmd->args, "--depth=%s", args->depth); if (args->threads) - argv_array_pushf(&cmd->args, "--threads=%s", args->threads); + strvec_pushf(&cmd->args, "--threads=%s", args->threads); if (args->max_pack_size) - argv_array_pushf(&cmd->args, "--max-pack-size=%s", args->max_pack_size); + strvec_pushf(&cmd->args, "--max-pack-size=%s", args->max_pack_size); if (args->no_reuse_delta) - argv_array_pushf(&cmd->args, "--no-reuse-delta"); + strvec_pushf(&cmd->args, "--no-reuse-delta"); if (args->no_reuse_object) - argv_array_pushf(&cmd->args, "--no-reuse-object"); + strvec_pushf(&cmd->args, "--no-reuse-object"); if (args->local) - argv_array_push(&cmd->args, "--local"); + strvec_push(&cmd->args, "--local"); if (args->quiet) - argv_array_push(&cmd->args, "--quiet"); + strvec_push(&cmd->args, "--quiet"); if (delta_base_offset) - argv_array_push(&cmd->args, "--delta-base-offset"); - argv_array_push(&cmd->args, packtmp); + strvec_push(&cmd->args, "--delta-base-offset"); + strvec_push(&cmd->args, packtmp); cmd->git_cmd = 1; cmd->out = -1; } @@ -200,11 +198,43 @@ static int write_oid(const struct object_id *oid, struct packed_git *pack, die(_("could not start pack-objects to repack promisor objects")); } - xwrite(cmd->in, oid_to_hex(oid), GIT_SHA1_HEXSZ); + xwrite(cmd->in, oid_to_hex(oid), the_hash_algo->hexsz); xwrite(cmd->in, "\n", 1); return 0; } +static struct { + const char *name; + unsigned optional:1; +} exts[] = { + {".pack"}, + {".idx"}, + {".rev", 1}, + {".bitmap", 1}, + {".promisor", 1}, +}; + +static unsigned populate_pack_exts(char *name) +{ + struct stat statbuf; + struct strbuf path = STRBUF_INIT; + unsigned ret = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(exts); i++) { + strbuf_reset(&path); + strbuf_addf(&path, "%s-%s%s", packtmp, name, exts[i].name); + + if (stat(path.buf, &statbuf)) + continue; + + ret |= (1 << i); + } + + strbuf_release(&path); + return ret; +} + static void repack_promisor_objects(const struct pack_objects_args *args, struct string_list *names) { @@ -233,22 +263,30 @@ static void repack_promisor_objects(const struct pack_objects_args *args, out = xfdopen(cmd.out, "r"); while (strbuf_getline_lf(&line, out) != EOF) { + struct string_list_item *item; char *promisor_name; - int fd; + if (line.len != the_hash_algo->hexsz) die(_("repack: Expecting full hex object ID lines only from pack-objects.")); - string_list_append(names, line.buf); + item = string_list_append(names, line.buf); /* * pack-objects creates the .pack and .idx files, but not the * .promisor file. Create the .promisor file, which is empty. + * + * NEEDSWORK: fetch-pack sometimes generates non-empty + * .promisor files containing the ref names and associated + * hashes at the point of generation of the corresponding + * packfile, but this would not preserve their contents. Maybe + * concatenate the contents of all .promisor files instead of + * just creating a new empty file. */ promisor_name = mkpathdup("%s-%s.promisor", packtmp, line.buf); - fd = open(promisor_name, O_CREAT|O_EXCL|O_WRONLY, 0600); - if (fd < 0) - die_errno(_("unable to create '%s'"), promisor_name); - close(fd); + write_promisor_file(promisor_name, NULL, 0); + + item->util = (void *)(uintptr_t)populate_pack_exts(item->string); + free(promisor_name); } fclose(out); @@ -259,24 +297,152 @@ static void repack_promisor_objects(const struct pack_objects_args *args, #define ALL_INTO_ONE 1 #define LOOSEN_UNREACHABLE 2 +struct pack_geometry { + struct packed_git **pack; + uint32_t pack_nr, pack_alloc; + uint32_t split; +}; + +static uint32_t geometry_pack_weight(struct packed_git *p) +{ + if (open_pack_index(p)) + die(_("cannot open index for %s"), p->pack_name); + return p->num_objects; +} + +static int geometry_cmp(const void *va, const void *vb) +{ + uint32_t aw = geometry_pack_weight(*(struct packed_git **)va), + bw = geometry_pack_weight(*(struct packed_git **)vb); + + if (aw < bw) + return -1; + if (aw > bw) + return 1; + return 0; +} + +static void init_pack_geometry(struct pack_geometry **geometry_p) +{ + struct packed_git *p; + struct pack_geometry *geometry; + + *geometry_p = xcalloc(1, sizeof(struct pack_geometry)); + geometry = *geometry_p; + + for (p = get_all_packs(the_repository); p; p = p->next) { + if (!pack_kept_objects && p->pack_keep) + continue; + + ALLOC_GROW(geometry->pack, + geometry->pack_nr + 1, + geometry->pack_alloc); + + geometry->pack[geometry->pack_nr] = p; + geometry->pack_nr++; + } + + QSORT(geometry->pack, geometry->pack_nr, geometry_cmp); +} + +static void split_pack_geometry(struct pack_geometry *geometry, int factor) +{ + uint32_t i; + uint32_t split; + off_t total_size = 0; + + if (!geometry->pack_nr) { + geometry->split = geometry->pack_nr; + return; + } + + /* + * First, count the number of packs (in descending order of size) which + * already form a geometric progression. + */ + for (i = geometry->pack_nr - 1; i > 0; i--) { + struct packed_git *ours = geometry->pack[i]; + struct packed_git *prev = geometry->pack[i - 1]; + + if (unsigned_mult_overflows(factor, geometry_pack_weight(prev))) + die(_("pack %s too large to consider in geometric " + "progression"), + prev->pack_name); + + if (geometry_pack_weight(ours) < factor * geometry_pack_weight(prev)) + break; + } + + split = i; + + if (split) { + /* + * Move the split one to the right, since the top element in the + * last-compared pair can't be in the progression. Only do this + * when we split in the middle of the array (otherwise if we got + * to the end, then the split is in the right place). + */ + split++; + } + + /* + * Then, anything to the left of 'split' must be in a new pack. But, + * creating that new pack may cause packs in the heavy half to no longer + * form a geometric progression. + * + * Compute an expected size of the new pack, and then determine how many + * packs in the heavy half need to be joined into it (if any) to restore + * the geometric progression. + */ + for (i = 0; i < split; i++) { + struct packed_git *p = geometry->pack[i]; + + if (unsigned_add_overflows(total_size, geometry_pack_weight(p))) + die(_("pack %s too large to roll up"), p->pack_name); + total_size += geometry_pack_weight(p); + } + for (i = split; i < geometry->pack_nr; i++) { + struct packed_git *ours = geometry->pack[i]; + + if (unsigned_mult_overflows(factor, total_size)) + die(_("pack %s too large to roll up"), ours->pack_name); + + if (geometry_pack_weight(ours) < factor * total_size) { + if (unsigned_add_overflows(total_size, + geometry_pack_weight(ours))) + die(_("pack %s too large to roll up"), + ours->pack_name); + + split++; + total_size += geometry_pack_weight(ours); + } else + break; + } + + geometry->split = split; +} + +static void clear_pack_geometry(struct pack_geometry *geometry) +{ + if (!geometry) + return; + + free(geometry->pack); + geometry->pack_nr = 0; + geometry->pack_alloc = 0; + geometry->split = 0; +} + int cmd_repack(int argc, const char **argv, const char *prefix) { - struct { - const char *name; - unsigned optional:1; - } exts[] = { - {".pack"}, - {".idx"}, - {".bitmap", 1}, - {".promisor", 1}, - }; struct child_process cmd = CHILD_PROCESS_INIT; struct string_list_item *item; struct string_list names = STRING_LIST_INIT_DUP; struct string_list rollback = STRING_LIST_INIT_NODUP; struct string_list existing_packs = STRING_LIST_INIT_DUP; + struct pack_geometry *geometry = NULL; struct strbuf line = STRBUF_INIT; - int i, ext, ret, failed; + int i, ext, ret; FILE *out; /* variables to be filled by option parsing */ @@ -286,8 +452,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix) int keep_unreachable = 0; struct string_list keep_pack_list = STRING_LIST_INIT_NODUP; int no_update_server_info = 0; - int midx_cleared = 0; struct pack_objects_args po_args = {NULL}; + int geometric_factor = 0; struct option builtin_repack_options[] = { OPT_BIT('a', NULL, &pack_everything, @@ -328,6 +494,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix) N_("repack objects in packs marked with .keep")), OPT_STRING_LIST(0, "keep-pack", &keep_pack_list, N_("name"), N_("do not repack this pack")), + OPT_INTEGER('g', "geometric", &geometric_factor, + N_("find a geometric progression with factor <N>")), OPT_END() }; @@ -343,38 +511,62 @@ int cmd_repack(int argc, const char **argv, const char *prefix) (unpack_unreachable || (pack_everything & LOOSEN_UNREACHABLE))) die(_("--keep-unreachable and -A are incompatible")); - if (write_bitmaps < 0) - write_bitmaps = (pack_everything & ALL_INTO_ONE) && - is_bare_repository(); + if (write_bitmaps < 0) { + if (!(pack_everything & ALL_INTO_ONE) || + !is_bare_repository()) + write_bitmaps = 0; + } if (pack_kept_objects < 0) - pack_kept_objects = write_bitmaps; + pack_kept_objects = write_bitmaps > 0; if (write_bitmaps && !(pack_everything & ALL_INTO_ONE)) die(_(incremental_bitmap_conflict_error)); + if (geometric_factor) { + if (pack_everything) + die(_("--geometric is incompatible with -A, -a")); + init_pack_geometry(&geometry); + split_pack_geometry(geometry, geometric_factor); + } + packdir = mkpathdup("%s/pack", get_object_directory()); - packtmp = mkpathdup("%s/.tmp-%d-pack", packdir, (int)getpid()); + packtmp_name = xstrfmt(".tmp-%d-pack", (int)getpid()); + packtmp = mkpathdup("%s/%s", packdir, packtmp_name); sigchain_push_common(remove_pack_on_signal); prepare_pack_objects(&cmd, &po_args); - argv_array_push(&cmd.args, "--keep-true-parents"); + strvec_push(&cmd.args, "--keep-true-parents"); if (!pack_kept_objects) - argv_array_push(&cmd.args, "--honor-pack-keep"); + strvec_push(&cmd.args, "--honor-pack-keep"); for (i = 0; i < keep_pack_list.nr; i++) - argv_array_pushf(&cmd.args, "--keep-pack=%s", - keep_pack_list.items[i].string); - argv_array_push(&cmd.args, "--non-empty"); - argv_array_push(&cmd.args, "--all"); - argv_array_push(&cmd.args, "--reflog"); - argv_array_push(&cmd.args, "--indexed-objects"); - if (repository_format_partial_clone) - argv_array_push(&cmd.args, "--exclude-promisor-objects"); - if (write_bitmaps) - argv_array_push(&cmd.args, "--write-bitmap-index"); + strvec_pushf(&cmd.args, "--keep-pack=%s", + keep_pack_list.items[i].string); + strvec_push(&cmd.args, "--non-empty"); + if (!geometry) { + /* + * We need to grab all reachable objects, including those that + * are reachable from reflogs and the index. + * + * When repacking into a geometric progression of packs, + * however, we ask 'git pack-objects --stdin-packs', and it is + * not about packing objects based on reachability but about + * repacking all the objects in specified packs and loose ones + * (indeed, --stdin-packs is incompatible with these options). + */ + strvec_push(&cmd.args, "--all"); + strvec_push(&cmd.args, "--reflog"); + strvec_push(&cmd.args, "--indexed-objects"); + } + if (has_promisor_remote()) + strvec_push(&cmd.args, "--exclude-promisor-objects"); + if (write_bitmaps > 0) + strvec_push(&cmd.args, "--write-bitmap-index"); + else if (write_bitmaps < 0) + strvec_push(&cmd.args, "--write-bitmap-index-quiet"); if (use_delta_islands) - argv_array_push(&cmd.args, "--delta-islands"); + strvec_push(&cmd.args, "--delta-islands"); if (pack_everything & ALL_INTO_ONE) { get_non_kept_pack_filenames(&existing_packs, &keep_pack_list); @@ -382,32 +574,56 @@ int cmd_repack(int argc, const char **argv, const char *prefix) repack_promisor_objects(&po_args, &names); if (existing_packs.nr && delete_redundant) { + for_each_string_list_item(item, &names) { + strvec_pushf(&cmd.args, "--keep-pack=%s-%s.pack", + packtmp_name, item->string); + } if (unpack_unreachable) { - argv_array_pushf(&cmd.args, - "--unpack-unreachable=%s", - unpack_unreachable); - argv_array_push(&cmd.env_array, "GIT_REF_PARANOIA=1"); + strvec_pushf(&cmd.args, + "--unpack-unreachable=%s", + unpack_unreachable); + strvec_push(&cmd.env_array, "GIT_REF_PARANOIA=1"); } else if (pack_everything & LOOSEN_UNREACHABLE) { - argv_array_push(&cmd.args, - "--unpack-unreachable"); + strvec_push(&cmd.args, + "--unpack-unreachable"); } else if (keep_unreachable) { - argv_array_push(&cmd.args, "--keep-unreachable"); - argv_array_push(&cmd.args, "--pack-loose-unreachable"); + strvec_push(&cmd.args, "--keep-unreachable"); + strvec_push(&cmd.args, "--pack-loose-unreachable"); } else { - argv_array_push(&cmd.env_array, "GIT_REF_PARANOIA=1"); + strvec_push(&cmd.env_array, "GIT_REF_PARANOIA=1"); } } + } else if (geometry) { + strvec_push(&cmd.args, "--stdin-packs"); + strvec_push(&cmd.args, "--unpacked"); } else { - argv_array_push(&cmd.args, "--unpacked"); - argv_array_push(&cmd.args, "--incremental"); + strvec_push(&cmd.args, "--unpacked"); + strvec_push(&cmd.args, "--incremental"); } - cmd.no_stdin = 1; + if (geometry) + cmd.in = -1; + else + cmd.no_stdin = 1; ret = start_command(&cmd); if (ret) return ret; + if (geometry) { + FILE *in = xfdopen(cmd.in, "w"); + /* + * The resulting pack should contain all objects in packs that + * are going to be rolled up, but exclude objects in packs which + * are being left alone. + */ + for (i = 0; i < geometry->split; i++) + fprintf(in, "%s\n", pack_basename(geometry->pack[i])); + for (i = geometry->split; i < geometry->pack_nr; i++) + fprintf(in, "^%s\n", pack_basename(geometry->pack[i])); + fclose(in); + } + out = xfdopen(cmd.out, "r"); while (strbuf_getline_lf(&line, out) != EOF) { if (line.len != the_hash_algo->hexsz) @@ -422,118 +638,42 @@ int cmd_repack(int argc, const char **argv, const char *prefix) if (!names.nr && !po_args.quiet) printf_ln(_("Nothing new to pack.")); + for_each_string_list_item(item, &names) { + item->util = (void *)(uintptr_t)populate_pack_exts(item->string); + } + close_object_store(the_repository->objects); /* * Ok we have prepared all new packfiles. - * First see if there are packs of the same name and if so - * if we can move them out of the way (this can happen if we - * repacked immediately after packing fully. */ - failed = 0; for_each_string_list_item(item, &names) { for (ext = 0; ext < ARRAY_SIZE(exts); ext++) { char *fname, *fname_old; - if (!midx_cleared) { - clear_midx_file(the_repository); - midx_cleared = 1; - } - - fname = mkpathdup("%s/pack-%s%s", packdir, - item->string, exts[ext].name); - if (!file_exists(fname)) { - free(fname); - continue; - } - - fname_old = mkpathdup("%s/old-%s%s", packdir, - item->string, exts[ext].name); - if (file_exists(fname_old)) - if (unlink(fname_old)) - failed = 1; - - if (!failed && rename(fname, fname_old)) { - free(fname); - free(fname_old); - failed = 1; - break; - } else { - string_list_append(&rollback, fname); - free(fname_old); - } - } - if (failed) - break; - } - if (failed) { - struct string_list rollback_failure = STRING_LIST_INIT_DUP; - for_each_string_list_item(item, &rollback) { - char *fname, *fname_old; - fname = mkpathdup("%s/%s", packdir, item->string); - fname_old = mkpathdup("%s/old-%s", packdir, item->string); - if (rename(fname_old, fname)) - string_list_append(&rollback_failure, fname); - free(fname); - free(fname_old); - } - - if (rollback_failure.nr) { - int i; - fprintf(stderr, - _("WARNING: Some packs in use have been renamed by\n" - "WARNING: prefixing old- to their name, in order to\n" - "WARNING: replace them with the new version of the\n" - "WARNING: file. But the operation failed, and the\n" - "WARNING: attempt to rename them back to their\n" - "WARNING: original names also failed.\n" - "WARNING: Please rename them in %s manually:\n"), packdir); - for (i = 0; i < rollback_failure.nr; i++) - fprintf(stderr, "WARNING: old-%s -> %s\n", - rollback_failure.items[i].string, - rollback_failure.items[i].string); - } - exit(1); - } - - /* Now the ones with the same name are out of the way... */ - for_each_string_list_item(item, &names) { - for (ext = 0; ext < ARRAY_SIZE(exts); ext++) { - char *fname, *fname_old; - struct stat statbuffer; - int exists = 0; fname = mkpathdup("%s/pack-%s%s", packdir, item->string, exts[ext].name); fname_old = mkpathdup("%s-%s%s", packtmp, item->string, exts[ext].name); - if (!stat(fname_old, &statbuffer)) { - statbuffer.st_mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH); - chmod(fname_old, statbuffer.st_mode); - exists = 1; - } - if (exists || !exts[ext].optional) { + + if (((uintptr_t)item->util) & (1 << ext)) { + struct stat statbuffer; + if (!stat(fname_old, &statbuffer)) { + statbuffer.st_mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH); + chmod(fname_old, statbuffer.st_mode); + } + if (rename(fname_old, fname)) die_errno(_("renaming '%s' failed"), fname_old); - } - free(fname); - free(fname_old); - } - } + } else if (!exts[ext].optional) + die(_("missing required file: %s"), fname_old); + else if (unlink(fname) < 0 && errno != ENOENT) + die_errno(_("could not unlink: %s"), fname); - /* Remove the "old-" files */ - for_each_string_list_item(item, &names) { - for (ext = 0; ext < ARRAY_SIZE(exts); ext++) { - char *fname; - fname = mkpathdup("%s/old-%s%s", - packdir, - item->string, - exts[ext].name); - if (remove_path(fname)) - warning(_("failed to remove '%s'"), fname); free(fname); + free(fname_old); } } - /* End of pack replacement. */ reprepare_packed_git(the_repository); @@ -551,6 +691,25 @@ int cmd_repack(int argc, const char **argv, const char *prefix) if (!string_list_has_string(&names, sha1)) remove_redundant_pack(packdir, item->string); } + + if (geometry) { + struct strbuf buf = STRBUF_INIT; + + uint32_t i; + for (i = 0; i < geometry->split; i++) { + struct packed_git *p = geometry->pack[i]; + if (string_list_has_string(&names, + hash_to_hex(p->hash))) + continue; + + strbuf_reset(&buf); + strbuf_addstr(&buf, pack_basename(p)); + strbuf_strip_suffix(&buf, ".pack"); + + remove_redundant_pack(packdir, buf.buf); + } + strbuf_release(&buf); + } if (!po_args.quiet && isatty(2)) opts |= PRUNE_PACKED_VERBOSE; prune_packed_objects(opts); @@ -567,11 +726,12 @@ int cmd_repack(int argc, const char **argv, const char *prefix) remove_temporary_files(); if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX, 0)) - write_midx_file(get_object_directory()); + write_midx_file(get_object_directory(), NULL, 0); string_list_clear(&names, 0); string_list_clear(&rollback, 0); string_list_clear(&existing_packs, 0); + clear_pack_geometry(geometry); strbuf_release(&line); return 0; diff --git a/builtin/replace.c b/builtin/replace.c index 644b21ca8d..cd48765911 100644 --- a/builtin/replace.c +++ b/builtin/replace.c @@ -228,13 +228,13 @@ static int export_object(const struct object_id *oid, enum object_type type, if (fd < 0) return error_errno(_("unable to open %s for writing"), filename); - argv_array_push(&cmd.args, "--no-replace-objects"); - argv_array_push(&cmd.args, "cat-file"); + strvec_push(&cmd.args, "--no-replace-objects"); + strvec_push(&cmd.args, "cat-file"); if (raw) - argv_array_push(&cmd.args, type_name(type)); + strvec_push(&cmd.args, type_name(type)); else - argv_array_push(&cmd.args, "-p"); - argv_array_push(&cmd.args, oid_to_hex(oid)); + strvec_push(&cmd.args, "-p"); + strvec_push(&cmd.args, oid_to_hex(oid)); cmd.git_cmd = 1; cmd.out = fd; @@ -272,7 +272,7 @@ static int import_object(struct object_id *oid, enum object_type type, return error(_("unable to spawn mktree")); } - if (strbuf_read(&result, cmd.out, 41) < 0) { + if (strbuf_read(&result, cmd.out, the_hash_algo->hexsz + 1) < 0) { error_errno(_("unable to read from mktree")); close(fd); close(cmd.out); @@ -358,14 +358,15 @@ static int replace_parents(struct strbuf *buf, int argc, const char **argv) struct strbuf new_parents = STRBUF_INIT; const char *parent_start, *parent_end; int i; + const unsigned hexsz = the_hash_algo->hexsz; /* find existing parents */ parent_start = buf->buf; - parent_start += GIT_SHA1_HEXSZ + 6; /* "tree " + "hex sha1" + "\n" */ + parent_start += hexsz + 6; /* "tree " + "hex sha1" + "\n" */ parent_end = parent_start; while (starts_with(parent_end, "parent ")) - parent_end += 48; /* "parent " + "hex sha1" + "\n" */ + parent_end += hexsz + 8; /* "parent " + "hex sha1" + "\n" */ /* prepare new parents */ for (i = 0; i < argc; i++) { @@ -408,7 +409,8 @@ static int check_one_mergetag(struct commit *commit, struct tag *tag; int i; - hash_object_file(extra->value, extra->len, type_name(OBJ_TAG), &tag_oid); + hash_object_file(the_hash_algo, extra->value, extra->len, + type_name(OBJ_TAG), &tag_oid); tag = lookup_tag(the_repository, &tag_oid); if (!tag) return error(_("bad mergetag in commit '%s'"), ref); @@ -421,7 +423,7 @@ static int check_one_mergetag(struct commit *commit, if (get_oid(mergetag_data->argv[i], &oid) < 0) return error(_("not a valid object name: '%s'"), mergetag_data->argv[i]); - if (oideq(&tag->tagged->oid, &oid)) + if (oideq(get_tagged_oid(tag), &oid)) return 0; /* found */ } @@ -500,7 +502,7 @@ static int convert_graft_file(int force) const char *graft_file = get_graft_file(the_repository); FILE *fp = fopen_or_warn(graft_file, "r"); struct strbuf buf = STRBUF_INIT, err = STRBUF_INIT; - struct argv_array args = ARGV_ARRAY_INIT; + struct strvec args = STRVEC_INIT; if (!fp) return -1; @@ -510,10 +512,10 @@ static int convert_graft_file(int force) if (*buf.buf == '#') continue; - argv_array_split(&args, buf.buf); - if (args.argc && create_graft(args.argc, args.argv, force, 1)) + strvec_split(&args, buf.buf); + if (args.nr && create_graft(args.nr, args.v, force, 1)) strbuf_addf(&err, "\n\t%s", buf.buf); - argv_array_clear(&args); + strvec_clear(&args); } fclose(fp); diff --git a/builtin/rerere.c b/builtin/rerere.c index fd3be17b97..83d7a778e3 100644 --- a/builtin/rerere.c +++ b/builtin/rerere.c @@ -28,7 +28,7 @@ static int diff_two(const char *file1, const char *label1, { xpparam_t xpp; xdemitconf_t xecfg; - xdemitcb_t ecb; + xdemitcb_t ecb = { .out_line = outf }; mmfile_t minus, plus; int ret; @@ -41,8 +41,6 @@ static int diff_two(const char *file1, const char *label1, xpp.flags = 0; memset(&xecfg, 0, sizeof(xecfg)); xecfg.ctxlen = 3; - ecb.out_hunk = NULL; - ecb.out_line = outf; ret = xdi_diff(&minus, &plus, &xpp, &xecfg, &ecb); free(minus.ptr); diff --git a/builtin/reset.c b/builtin/reset.c index 26ef9a7bd0..43e855cb88 100644 --- a/builtin/reset.c +++ b/builtin/reset.c @@ -30,8 +30,9 @@ static const char * const git_reset_usage[] = { N_("git reset [--mixed | --soft | --hard | --merge | --keep] [-q] [<commit>]"), - N_("git reset [-q] [<tree-ish>] [--] <paths>..."), - N_("git reset --patch [<tree-ish>] [--] [<paths>...]"), + N_("git reset [-q] [<tree-ish>] [--] <pathspec>..."), + N_("git reset [-q] [--pathspec-from-file [--pathspec-file-nul]] [<tree-ish>]"), + N_("git reset --patch [<tree-ish>] [--] [<pathspec>...]"), NULL }; @@ -45,7 +46,7 @@ static inline int is_merge(void) return !access(git_path_merge_head(the_repository), F_OK); } -static int reset_index(const struct object_id *oid, int reset_type, int quiet) +static int reset_index(const char *ref, const struct object_id *oid, int reset_type, int quiet) { int i, nr = 0; struct tree_desc desc[2]; @@ -59,6 +60,7 @@ static int reset_index(const struct object_id *oid, int reset_type, int quiet) opts.dst_index = &the_index; opts.fn = oneway_merge; opts.merge = 1; + init_checkout_metadata(&opts.meta, ref, oid, NULL); if (!quiet) opts.verbose_update = 1; switch (reset_type) { @@ -79,13 +81,13 @@ static int reset_index(const struct object_id *oid, int reset_type, int quiet) struct object_id head_oid; if (get_oid("HEAD", &head_oid)) return error(_("You do not have a valid HEAD.")); - if (!fill_tree_descriptor(desc + nr, &head_oid)) + if (!fill_tree_descriptor(the_repository, desc + nr, &head_oid)) return error(_("Failed to find tree of HEAD.")); nr++; opts.fn = twoway_merge; } - if (!fill_tree_descriptor(desc + nr, oid)) { + if (!fill_tree_descriptor(the_repository, desc + nr, oid)) { error(_("Failed to find tree of %s."), oid_to_hex(oid)); goto out; } @@ -284,8 +286,8 @@ static int git_reset_config(const char *var, const char *value, void *cb) int cmd_reset(int argc, const char **argv, const char *prefix) { int reset_type = NONE, update_ref_status = 0, quiet = 0; - int patch_mode = 0, unborn; - const char *rev; + int patch_mode = 0, pathspec_file_nul = 0, unborn; + const char *rev, *pathspec_from_file = NULL; struct object_id oid; struct pathspec pathspec; int intent_to_add = 0; @@ -300,12 +302,14 @@ int cmd_reset(int argc, const char **argv, const char *prefix) N_("reset HEAD, index and working tree"), MERGE), OPT_SET_INT(0, "keep", &reset_type, N_("reset HEAD but keep local changes"), KEEP), - { OPTION_CALLBACK, 0, "recurse-submodules", NULL, + OPT_CALLBACK_F(0, "recurse-submodules", NULL, "reset", "control recursive updating of submodules", - PARSE_OPT_OPTARG, option_parse_recurse_submodules_worktree_updater }, + PARSE_OPT_OPTARG, option_parse_recurse_submodules_worktree_updater), OPT_BOOL('p', "patch", &patch_mode, N_("select hunks interactively")), OPT_BOOL('N', "intent-to-add", &intent_to_add, N_("record only the fact that removed paths will be added later")), + OPT_PATHSPEC_FROM_FILE(&pathspec_from_file), + OPT_PATHSPEC_FILE_NUL(&pathspec_file_nul), OPT_END() }; @@ -316,11 +320,25 @@ int cmd_reset(int argc, const char **argv, const char *prefix) PARSE_OPT_KEEP_DASHDASH); parse_args(&pathspec, argv, prefix, patch_mode, &rev); + if (pathspec_from_file) { + if (patch_mode) + die(_("--pathspec-from-file is incompatible with --patch")); + + if (pathspec.nr) + die(_("--pathspec-from-file is incompatible with pathspec arguments")); + + parse_pathspec_file(&pathspec, 0, + PATHSPEC_PREFER_FULL, + prefix, pathspec_from_file, pathspec_file_nul); + } else if (pathspec_file_nul) { + die(_("--pathspec-file-nul requires --pathspec-from-file")); + } + unborn = !strcmp(rev, "HEAD") && get_oid("HEAD", &oid); if (unborn) { /* reset on unborn branch: treat as reset to empty tree */ oidcpy(&oid, the_hash_algo->empty_tree); - } else if (!pathspec.nr) { + } else if (!pathspec.nr && !patch_mode) { struct commit *commit; if (get_oid_committish(rev, &oid)) die(_("Failed to resolve '%s' as a valid revision."), rev); @@ -401,11 +419,20 @@ int cmd_reset(int argc, const char **argv, const char *prefix) } } } else { - int err = reset_index(&oid, reset_type, quiet); + struct object_id dummy; + char *ref = NULL; + int err; + + dwim_ref(rev, strlen(rev), &dummy, &ref, 0); + if (ref && !starts_with(ref, "refs/")) + FREE_AND_NULL(ref); + + err = reset_index(ref, &oid, reset_type, quiet); if (reset_type == KEEP && !err) - err = reset_index(&oid, MIXED, quiet); + err = reset_index(ref, &oid, MIXED, quiet); if (err) die(_("Could not reset index file to revision '%s'."), rev); + free(ref); } if (write_locked_index(&the_index, &lock, COMMIT_LOCK)) @@ -421,7 +448,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) print_new_head_line(lookup_commit_reference(the_repository, &oid)); } if (!pathspec.nr) - remove_branch_state(the_repository); + remove_branch_state(the_repository, 0); return update_ref_status; } diff --git a/builtin/rev-list.c b/builtin/rev-list.c index 9f31837d30..36cb909eba 100644 --- a/builtin/rev-list.c +++ b/builtin/rev-list.c @@ -18,7 +18,6 @@ #include "reflog-walk.h" #include "oidset.h" #include "packfile.h" -#include "object-store.h" static const char rev_list_usage[] = "git rev-list [OPTION] <commit-id>... [ -- paths... ]\n" @@ -49,6 +48,7 @@ static const char rev_list_usage[] = " --objects | --objects-edge\n" " --unpacked\n" " --header | --pretty\n" +" --[no-]object-names\n" " --abbrev=<n> | --no-abbrev\n" " --abbrev-commit\n" " --left-right\n" @@ -75,9 +75,25 @@ enum missing_action { }; static enum missing_action arg_missing_action; +/* display only the oid of each object encountered */ +static int arg_show_object_names = 1; + #define DEFAULT_OIDSET_SIZE (16*1024) -static void finish_commit(struct commit *commit, void *data); +static int show_disk_usage; +static off_t total_disk_usage; + +static off_t get_object_disk_usage(struct object *obj) +{ + off_t size; + struct object_info oi = OBJECT_INFO_INIT; + oi.disk_sizep = &size; + if (oid_object_info_extended(the_repository, &obj->oid, &oi, 0) < 0) + die(_("unable to get disk usage of %s"), oid_to_hex(&obj->oid)); + return size; +} + +static void finish_commit(struct commit *commit); static void show_commit(struct commit *commit, void *data) { struct rev_list_info *info = data; @@ -85,8 +101,11 @@ static void show_commit(struct commit *commit, void *data) display_progress(progress, ++progress_counter); + if (show_disk_usage) + total_disk_usage += get_object_disk_usage(&commit->object); + if (info->flags & REV_LIST_QUIET) { - finish_commit(commit, data); + finish_commit(commit); return; } @@ -99,7 +118,7 @@ static void show_commit(struct commit *commit, void *data) revs->count_left++; else revs->count_right++; - finish_commit(commit, data); + finish_commit(commit); return; } @@ -108,13 +127,15 @@ static void show_commit(struct commit *commit, void *data) if (info->header_prefix) fputs(info->header_prefix, stdout); - if (!revs->graph) - fputs(get_revision_mark(revs, commit), stdout); - if (revs->abbrev_commit && revs->abbrev) - fputs(find_unique_abbrev(&commit->object.oid, revs->abbrev), - stdout); - else - fputs(oid_to_hex(&commit->object.oid), stdout); + if (revs->include_header) { + if (!revs->graph) + fputs(get_revision_mark(revs, commit), stdout); + if (revs->abbrev_commit && revs->abbrev) + fputs(find_unique_abbrev(&commit->object.oid, revs->abbrev), + stdout); + else + fputs(oid_to_hex(&commit->object.oid), stdout); + } if (revs->print_parents) { struct commit_list *parents = commit->parents; while (parents) { @@ -134,7 +155,7 @@ static void show_commit(struct commit *commit, void *data) show_decorations(revs, commit); if (revs->commit_format == CMIT_FMT_ONELINE) putchar(' '); - else + else if (revs->include_header) putchar('\n'); if (revs->verbose_header) { @@ -188,10 +209,10 @@ static void show_commit(struct commit *commit, void *data) putchar('\n'); } maybe_flush_or_die(stdout, "stdout"); - finish_commit(commit, data); + finish_commit(commit); } -static void finish_commit(struct commit *commit, void *data) +static void finish_commit(struct commit *commit) { if (commit->parents) { free_commit_list(commit->parents); @@ -250,12 +271,32 @@ static int finish_object(struct object *obj, const char *name, void *cb_data) static void show_object(struct object *obj, const char *name, void *cb_data) { struct rev_list_info *info = cb_data; + struct rev_info *revs = info->revs; + if (finish_object(obj, name, cb_data)) return; display_progress(progress, ++progress_counter); + if (show_disk_usage) + total_disk_usage += get_object_disk_usage(obj); if (info->flags & REV_LIST_QUIET) return; - show_object_with_name(stdout, obj, name); + + if (revs->count) { + /* + * The object count is always accumulated in the .count_right + * field for traversal that is not a left-right traversal, + * and cmd_rev_list() made sure that a .count request that + * wants to count non-commit objects, which is handled by + * the show_object() callback, does not ask for .left_right. + */ + revs->count_right++; + return; + } + + if (arg_show_object_names) + show_object_with_name(stdout, obj, name); + else + printf("%s\n", oid_to_hex(&obj->oid)); } static void show_edge(struct commit *commit) @@ -358,6 +399,99 @@ static inline int parse_missing_action_value(const char *value) return 0; } +static int try_bitmap_count(struct rev_info *revs, + struct list_objects_filter_options *filter, + int filter_provided_objects) +{ + uint32_t commit_count = 0, + tag_count = 0, + tree_count = 0, + blob_count = 0; + int max_count; + struct bitmap_index *bitmap_git; + + /* This function only handles counting, not general traversal. */ + if (!revs->count) + return -1; + + /* + * A bitmap result can't know left/right, etc, because we don't + * actually traverse. + */ + if (revs->left_right || revs->cherry_mark) + return -1; + + /* + * If we're counting reachable objects, we can't handle a max count of + * commits to traverse, since we don't know which objects go with which + * commit. + */ + if (revs->max_count >= 0 && + (revs->tag_objects || revs->tree_objects || revs->blob_objects)) + return -1; + + /* + * This must be saved before doing any walking, since the revision + * machinery will count it down to zero while traversing. + */ + max_count = revs->max_count; + + bitmap_git = prepare_bitmap_walk(revs, filter, filter_provided_objects); + if (!bitmap_git) + return -1; + + count_bitmap_commit_list(bitmap_git, &commit_count, + revs->tree_objects ? &tree_count : NULL, + revs->blob_objects ? &blob_count : NULL, + revs->tag_objects ? &tag_count : NULL); + if (max_count >= 0 && max_count < commit_count) + commit_count = max_count; + + printf("%d\n", commit_count + tree_count + blob_count + tag_count); + free_bitmap_index(bitmap_git); + return 0; +} + +static int try_bitmap_traversal(struct rev_info *revs, + struct list_objects_filter_options *filter, + int filter_provided_objects) +{ + struct bitmap_index *bitmap_git; + + /* + * We can't use a bitmap result with a traversal limit, since the set + * of commits we'd get would be essentially random. + */ + if (revs->max_count >= 0) + return -1; + + bitmap_git = prepare_bitmap_walk(revs, filter, filter_provided_objects); + if (!bitmap_git) + return -1; + + traverse_bitmap_commit_list(bitmap_git, revs, &show_object_fast); + free_bitmap_index(bitmap_git); + return 0; +} + +static int try_bitmap_disk_usage(struct rev_info *revs, + struct list_objects_filter_options *filter, + int filter_provided_objects) +{ + struct bitmap_index *bitmap_git; + + if (!show_disk_usage) + return -1; + + bitmap_git = prepare_bitmap_walk(revs, filter, filter_provided_objects); + if (!bitmap_git) + return -1; + + printf("%"PRIuMAX"\n", + (uintmax_t)get_disk_usage_from_bitmap(bitmap_git, revs)); + return 0; +} + int cmd_rev_list(int argc, const char **argv, const char *prefix) { struct rev_info revs; @@ -370,6 +504,7 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) int bisect_show_vars = 0; int bisect_find_all = 0; int use_bitmap_index = 0; + int filter_provided_objects = 0; const char *show_progress = NULL; if (argc == 2 && !strcmp(argv[1], "-h")) @@ -379,6 +514,7 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) repo_init_revisions(the_repository, &revs, prefix); revs.abbrev = DEFAULT_ABBREV; revs.commit_format = CMIT_FMT_UNSPECIFIED; + revs.include_header = 1; /* * Scan the argument list before invoking setup_revisions(), so that we @@ -464,16 +600,16 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) parse_list_objects_filter(&filter_options, arg); if (filter_options.choice && !revs.blob_objects) die(_("object filtering requires --objects")); - if (filter_options.choice == LOFC_SPARSE_OID && - !filter_options.sparse_oid_value) - die(_("invalid sparse value '%s'"), - filter_options.filter_spec); continue; } if (!strcmp(arg, ("--no-" CL_ARG__FILTER))) { list_objects_filter_set_no_filter(&filter_options); continue; } + if (!strcmp(arg, "--filter-provided-objects")) { + filter_provided_objects = 1; + continue; + } if (!strcmp(arg, "--filter-print-omitted")) { arg_print_omitted = 1; continue; @@ -484,13 +620,41 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) if (skip_prefix(arg, "--missing=", &arg)) continue; /* already handled above */ + if (!strcmp(arg, ("--no-object-names"))) { + arg_show_object_names = 0; + continue; + } + + if (!strcmp(arg, ("--object-names"))) { + arg_show_object_names = 1; + continue; + } + + if (!strcmp(arg, ("--commit-header"))) { + revs.include_header = 1; + continue; + } + + if (!strcmp(arg, ("--no-commit-header"))) { + revs.include_header = 0; + continue; + } + + if (!strcmp(arg, "--disk-usage")) { + show_disk_usage = 1; + info.flags |= REV_LIST_QUIET; + continue; + } + usage(rev_list_usage); } + if (revs.commit_format != CMIT_FMT_USERFORMAT) + revs.include_header = 1; if (revs.commit_format != CMIT_FMT_UNSPECIFIED) { /* The command line has a --pretty */ info.hdr_termination = '\n'; - if (revs.commit_format == CMIT_FMT_ONELINE) + if (revs.commit_format == CMIT_FMT_ONELINE || !revs.include_header) info.header_prefix = ""; else info.header_prefix = "commit "; @@ -509,8 +673,10 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) if (revs.show_notes) die(_("rev-list does not support display of notes")); - if (filter_options.choice && use_bitmap_index) - die(_("cannot combine --use-bitmap-index with object filtering")); + if (revs.count && + (revs.tag_objects || revs.tree_objects || revs.blob_objects) && + (revs.left_right || revs.cherry_mark)) + die(_("marked counting is incompatible with --objects")); save_commit_buffer = (revs.verbose_header || revs.grep_filter.pattern_list || @@ -521,28 +687,13 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) if (show_progress) progress = start_delayed_progress(show_progress, 0); - if (use_bitmap_index && !revs.prune) { - if (revs.count && !revs.left_right && !revs.cherry_mark) { - uint32_t commit_count; - int max_count = revs.max_count; - struct bitmap_index *bitmap_git; - if ((bitmap_git = prepare_bitmap_walk(&revs))) { - count_bitmap_commit_list(bitmap_git, &commit_count, NULL, NULL, NULL); - if (max_count >= 0 && max_count < commit_count) - commit_count = max_count; - printf("%d\n", commit_count); - free_bitmap_index(bitmap_git); - return 0; - } - } else if (revs.max_count < 0 && - revs.tag_objects && revs.tree_objects && revs.blob_objects) { - struct bitmap_index *bitmap_git; - if ((bitmap_git = prepare_bitmap_walk(&revs))) { - traverse_bitmap_commit_list(bitmap_git, &show_object_fast); - free_bitmap_index(bitmap_git); - return 0; - } - } + if (use_bitmap_index) { + if (!try_bitmap_count(&revs, &filter_options, filter_provided_objects)) + return 0; + if (!try_bitmap_disk_usage(&revs, &filter_options, filter_provided_objects)) + return 0; + if (!try_bitmap_traversal(&revs, &filter_options, filter_provided_objects)) + return 0; } if (prepare_revision_walk(&revs)) @@ -552,13 +703,30 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) if (bisect_list) { int reaches, all; + unsigned bisect_flags = 0; + + if (bisect_find_all) + bisect_flags |= FIND_BISECTION_ALL; + + if (revs.first_parent_only) + bisect_flags |= FIND_BISECTION_FIRST_PARENT_ONLY; - find_bisection(&revs.commits, &reaches, &all, bisect_find_all); + find_bisection(&revs.commits, &reaches, &all, bisect_flags); if (bisect_show_vars) return show_bisect_vars(&info, reaches, all); } + if (filter_provided_objects) { + struct commit_list *c; + for (i = 0; i < revs.pending.nr; i++) { + struct object_array_entry *pending = revs.pending.objects + i; + pending->item->flags |= NOT_USER_GIVEN; + } + for (c = revs.commits; c; c = c->next) + c->item->object.flags |= NOT_USER_GIVEN; + } + if (arg_print_omitted) oidset_init(&omitted_objects, DEFAULT_OIDSET_SIZE); if (arg_missing_action == MA_PRINT) @@ -598,5 +766,8 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) printf("%d\n", revs.count_left + revs.count_right); } + if (show_disk_usage) + printf("%"PRIuMAX"\n", (uintmax_t)total_disk_usage); + return 0; } diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index f8bbe6d47e..22c4e1a4ff 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -16,6 +16,7 @@ #include "split-index.h" #include "submodule.h" #include "commit-reach.h" +#include "shallow.h" #define DO_REVS 1 #define DO_NOREV 2 @@ -135,7 +136,7 @@ static void show_rev(int type, const struct object_id *oid, const char *name) struct object_id discard; char *full; - switch (dwim_ref(name, strlen(name), &discard, &full)) { + switch (dwim_ref(name, strlen(name), &discard, &full, 0)) { case 0: /* * Not found -- not a ref. We could @@ -434,11 +435,11 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix) /* get the usage up to the first line with a -- on it */ for (;;) { if (strbuf_getline(&sb, stdin) == EOF) - die("premature end of input"); + die(_("premature end of input")); ALLOC_GROW(usage, unb + 1, usz); if (!strcmp("--", sb.buf)) { if (unb < 1) - die("no usage string given before the `--' separator"); + die(_("no usage string given before the `--' separator")); usage[unb] = NULL; break; } @@ -544,7 +545,7 @@ static void die_no_single_rev(int quiet) if (quiet) exit(1); else - die("Needed a single revision"); + die(_("Needed a single revision")); } static const char builtin_rev_parse_usage[] = @@ -582,6 +583,75 @@ static void handle_ref_opt(const char *pattern, const char *prefix) clear_ref_exclusion(&ref_excludes); } +enum format_type { + /* We would like a relative path. */ + FORMAT_RELATIVE, + /* We would like a canonical absolute path. */ + FORMAT_CANONICAL, + /* We would like the default behavior. */ + FORMAT_DEFAULT, +}; + +enum default_type { + /* Our default is a relative path. */ + DEFAULT_RELATIVE, + /* Our default is a relative path if there's a shared root. */ + DEFAULT_RELATIVE_IF_SHARED, + /* Our default is a canonical absolute path. */ + DEFAULT_CANONICAL, + /* Our default is not to modify the item. */ + DEFAULT_UNMODIFIED, +}; + +static void print_path(const char *path, const char *prefix, enum format_type format, enum default_type def) +{ + char *cwd = NULL; + /* + * We don't ever produce a relative path if prefix is NULL, so set the + * prefix to the current directory so that we can produce a relative + * path whenever possible. If we're using RELATIVE_IF_SHARED mode, then + * we want an absolute path unless the two share a common prefix, so don't + * set it in that case, since doing so causes a relative path to always + * be produced if possible. + */ + if (!prefix && (format != FORMAT_DEFAULT || def != DEFAULT_RELATIVE_IF_SHARED)) + prefix = cwd = xgetcwd(); + if (format == FORMAT_DEFAULT && def == DEFAULT_UNMODIFIED) { + puts(path); + } else if (format == FORMAT_RELATIVE || + (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE)) { + /* + * In order for relative_path to work as expected, we need to + * make sure that both paths are absolute paths. If we don't, + * we can end up with an unexpected absolute path that the user + * didn't want. + */ + struct strbuf buf = STRBUF_INIT, realbuf = STRBUF_INIT, prefixbuf = STRBUF_INIT; + if (!is_absolute_path(path)) { + strbuf_realpath_forgiving(&realbuf, path, 1); + path = realbuf.buf; + } + if (!is_absolute_path(prefix)) { + strbuf_realpath_forgiving(&prefixbuf, prefix, 1); + prefix = prefixbuf.buf; + } + puts(relative_path(path, prefix, &buf)); + strbuf_release(&buf); + strbuf_release(&realbuf); + strbuf_release(&prefixbuf); + } else if (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE_IF_SHARED) { + struct strbuf buf = STRBUF_INIT; + puts(relative_path(path, prefix, &buf)); + strbuf_release(&buf); + } else { + struct strbuf buf = STRBUF_INIT; + strbuf_realpath_forgiving(&buf, path, 1); + puts(buf.buf); + strbuf_release(&buf); + } + free(cwd); +} + int cmd_rev_parse(int argc, const char **argv, const char *prefix) { int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0; @@ -593,6 +663,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) const char *name = NULL; struct object_context unused; struct strbuf buf = STRBUF_INIT; + const int hexsz = the_hash_algo->hexsz; + int seen_end_of_options = 0; + enum format_type format = FORMAT_DEFAULT; if (argc > 1 && !strcmp("--parseopt", argv[1])) return cmd_parseopt(argc - 1, argv + 1, prefix); @@ -620,21 +693,29 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) for (i = 1; i < argc; i++) { const char *arg = argv[i]; - if (!strcmp(arg, "--local-env-vars")) { - int i; - for (i = 0; local_repo_env[i]; i++) - printf("%s\n", local_repo_env[i]); + if (as_is) { + if (show_file(arg, output_prefix) && as_is < 2) + verify_filename(prefix, arg, 0); continue; } - if (!strcmp(arg, "--resolve-git-dir")) { - const char *gitdir = argv[++i]; - if (!gitdir) - die("--resolve-git-dir requires an argument"); - gitdir = resolve_gitdir(gitdir); - if (!gitdir) - die("not a gitdir '%s'", argv[i]); - puts(gitdir); - continue; + + if (!seen_end_of_options) { + if (!strcmp(arg, "--local-env-vars")) { + int i; + for (i = 0; local_repo_env[i]; i++) + printf("%s\n", local_repo_env[i]); + continue; + } + if (!strcmp(arg, "--resolve-git-dir")) { + const char *gitdir = argv[++i]; + if (!gitdir) + die(_("--resolve-git-dir requires an argument")); + gitdir = resolve_gitdir(gitdir); + if (!gitdir) + die(_("not a gitdir '%s'"), argv[i]); + puts(gitdir); + continue; + } } /* The rest of the options require a git repository. */ @@ -644,53 +725,61 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) did_repo_setup = 1; } - if (!strcmp(arg, "--git-path")) { - if (!argv[i + 1]) - die("--git-path requires an argument"); - strbuf_reset(&buf); - puts(relative_path(git_path("%s", argv[i + 1]), - prefix, &buf)); - i++; - continue; - } - if (as_is) { - if (show_file(arg, output_prefix) && as_is < 2) - verify_filename(prefix, arg, 0); - continue; - } - if (!strcmp(arg,"-n")) { - if (++i >= argc) - die("-n requires an argument"); - if ((filter & DO_FLAGS) && (filter & DO_REVS)) { - show(arg); - show(argv[i]); - } - continue; - } - if (starts_with(arg, "-n")) { - if ((filter & DO_FLAGS) && (filter & DO_REVS)) - show(arg); + if (!strcmp(arg, "--")) { + as_is = 2; + /* Pass on the "--" if we show anything but files.. */ + if (filter & (DO_FLAGS | DO_REVS)) + show_file(arg, 0); continue; } - if (*arg == '-') { - if (!strcmp(arg, "--")) { - as_is = 2; - /* Pass on the "--" if we show anything but files.. */ - if (filter & (DO_FLAGS | DO_REVS)) - show_file(arg, 0); + if (!seen_end_of_options && *arg == '-') { + if (!strcmp(arg, "--git-path")) { + if (!argv[i + 1]) + die(_("--git-path requires an argument")); + strbuf_reset(&buf); + print_path(git_path("%s", argv[i + 1]), prefix, + format, + DEFAULT_RELATIVE_IF_SHARED); + i++; + continue; + } + if (!strcmp(arg,"-n")) { + if (++i >= argc) + die(_("-n requires an argument")); + if ((filter & DO_FLAGS) && (filter & DO_REVS)) { + show(arg); + show(argv[i]); + } + continue; + } + if (starts_with(arg, "-n")) { + if ((filter & DO_FLAGS) && (filter & DO_REVS)) + show(arg); + continue; + } + if (opt_with_value(arg, "--path-format", &arg)) { + if (!arg) + die(_("--path-format requires an argument")); + if (!strcmp(arg, "absolute")) { + format = FORMAT_CANONICAL; + } else if (!strcmp(arg, "relative")) { + format = FORMAT_RELATIVE; + } else { + die(_("unknown argument to --path-format: %s"), arg); + } continue; } if (!strcmp(arg, "--default")) { def = argv[++i]; if (!def) - die("--default requires an argument"); + die(_("--default requires an argument")); continue; } if (!strcmp(arg, "--prefix")) { prefix = argv[++i]; if (!prefix) - die("--prefix requires an argument"); + die(_("--prefix requires an argument")); startup_info->prefix = prefix; output_prefix = 1; continue; @@ -730,8 +819,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) abbrev = strtoul(arg, NULL, 10); if (abbrev < MINIMUM_ABBREV) abbrev = MINIMUM_ABBREV; - else if (40 <= abbrev) - abbrev = 40; + else if (hexsz <= abbrev) + abbrev = hexsz; continue; } if (!strcmp(arg, "--sq")) { @@ -759,7 +848,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) else if (!strcmp(arg, "loose")) abbrev_ref_strict = 0; else - die("unknown mode for --abbrev-ref: %s", + die(_("unknown mode for --abbrev-ref: %s"), arg); } continue; @@ -801,13 +890,16 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) if (!strcmp(arg, "--show-toplevel")) { const char *work_tree = get_git_work_tree(); if (work_tree) - puts(work_tree); + print_path(work_tree, prefix, format, DEFAULT_UNMODIFIED); + else + die(_("this operation must be run in a work tree")); continue; } if (!strcmp(arg, "--show-superproject-working-tree")) { - const char *superproject = get_superproject_working_tree(); - if (superproject) - puts(superproject); + struct strbuf superproject = STRBUF_INIT; + if (get_superproject_working_tree(&superproject)) + print_path(superproject.buf, prefix, format, DEFAULT_UNMODIFIED); + strbuf_release(&superproject); continue; } if (!strcmp(arg, "--show-prefix")) { @@ -841,33 +933,38 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); char *cwd; int len; + enum format_type wanted = format; if (arg[2] == 'g') { /* --git-dir */ if (gitdir) { - puts(gitdir); + print_path(gitdir, prefix, format, DEFAULT_UNMODIFIED); continue; } if (!prefix) { - puts(".git"); + print_path(".git", prefix, format, DEFAULT_UNMODIFIED); continue; } } else { /* --absolute-git-dir */ + wanted = FORMAT_CANONICAL; if (!gitdir && !prefix) gitdir = ".git"; if (gitdir) { - puts(real_path(gitdir)); + struct strbuf realpath = STRBUF_INIT; + strbuf_realpath(&realpath, gitdir, 1); + puts(realpath.buf); + strbuf_release(&realpath); continue; } } cwd = xgetcwd(); len = strlen(cwd); - printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : ""); + strbuf_reset(&buf); + strbuf_addf(&buf, "%s%s.git", cwd, len && cwd[len-1] != '/' ? "/" : ""); free(cwd); + print_path(buf.buf, prefix, wanted, DEFAULT_CANONICAL); continue; } if (!strcmp(arg, "--git-common-dir")) { - strbuf_reset(&buf); - puts(relative_path(get_git_common_dir(), - prefix, &buf)); + print_path(get_git_common_dir(), prefix, format, DEFAULT_RELATIVE_IF_SHARED); continue; } if (!strcmp(arg, "--is-inside-git-dir")) { @@ -897,8 +994,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) if (the_index.split_index) { const struct object_id *oid = &the_index.split_index->base_oid; const char *path = git_path("sharedindex.%s", oid_to_hex(oid)); - strbuf_reset(&buf); - puts(relative_path(path, prefix, &buf)); + print_path(path, prefix, format, DEFAULT_RELATIVE); } continue; } @@ -918,6 +1014,23 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) show_datestring("--min-age=", arg); continue; } + if (opt_with_value(arg, "--show-object-format", &arg)) { + const char *val = arg ? arg : "storage"; + + if (strcmp(val, "storage") && + strcmp(val, "input") && + strcmp(val, "output")) + die(_("unknown mode for --show-object-format: %s"), + arg); + puts(the_hash_algo->name); + continue; + } + if (!strcmp(arg, "--end-of-options")) { + seen_end_of_options = 1; + if (filter & (DO_FLAGS | DO_REVS)) + show_file(arg, 0); + continue; + } if (show_flag(arg) && verify) die_no_single_rev(quiet); continue; @@ -945,7 +1058,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) if (verify) die_no_single_rev(quiet); if (has_dashdash) - die("bad revision '%s'", arg); + die(_("bad revision '%s'"), arg); as_is = 1; if (!show_file(arg, output_prefix)) continue; diff --git a/builtin/revert.c b/builtin/revert.c index d4dcedbdc6..237f2f18d4 100644 --- a/builtin/revert.c +++ b/builtin/revert.c @@ -102,11 +102,12 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts) OPT_CMDMODE(0, "quit", &cmd, N_("end revert or cherry-pick sequence"), 'q'), OPT_CMDMODE(0, "continue", &cmd, N_("resume revert or cherry-pick sequence"), 'c'), OPT_CMDMODE(0, "abort", &cmd, N_("cancel revert or cherry-pick sequence"), 'a'), + OPT_CMDMODE(0, "skip", &cmd, N_("skip current commit and continue"), 's'), OPT_CLEANUP(&cleanup_arg), OPT_BOOL('n', "no-commit", &opts->no_commit, N_("don't automatically commit")), OPT_BOOL('e', "edit", &opts->edit, N_("edit the commit message")), OPT_NOOP_NOARG('r', NULL), - OPT_BOOL('s', "signoff", &opts->signoff, N_("add Signed-off-by:")), + OPT_BOOL('s', "signoff", &opts->signoff, N_("add a Signed-off-by trailer")), OPT_CALLBACK('m', "mainline", opts, N_("parent-number"), N_("select mainline parent"), option_parse_m), OPT_RERERE_AUTOUPDATE(&opts->allow_rerere_auto), @@ -151,6 +152,8 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts) this_operation = "--quit"; else if (cmd == 'c') this_operation = "--continue"; + else if (cmd == 's') + this_operation = "--skip"; else { assert(cmd == 'a'); this_operation = "--abort"; @@ -169,12 +172,17 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts) NULL); } + if (!opts->strategy && opts->default_strategy) { + opts->strategy = opts->default_strategy; + opts->default_strategy = NULL; + } + if (opts->allow_ff) verify_opt_compatible(me, "--ff", "--signoff", opts->signoff, "--no-commit", opts->no_commit, "-x", opts->record_origin, - "--edit", opts->edit, + "--edit", opts->edit > 0, NULL); if (cmd) { @@ -199,17 +207,21 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts) /* These option values will be free()d */ opts->gpg_sign = xstrdup_or_null(opts->gpg_sign); opts->strategy = xstrdup_or_null(opts->strategy); + if (!opts->strategy && getenv("GIT_TEST_MERGE_ALGORITHM")) + opts->strategy = xstrdup(getenv("GIT_TEST_MERGE_ALGORITHM")); if (cmd == 'q') { int ret = sequencer_remove_state(opts); if (!ret) - remove_branch_state(the_repository); + remove_branch_state(the_repository, 0); return ret; } if (cmd == 'c') return sequencer_continue(the_repository, opts); if (cmd == 'a') return sequencer_rollback(the_repository, opts); + if (cmd == 's') + return sequencer_skip(the_repository, opts); return sequencer_pick_revisions(the_repository, opts); } @@ -218,8 +230,6 @@ int cmd_revert(int argc, const char **argv, const char *prefix) struct replay_opts opts = REPLAY_OPTS_INIT; int res; - if (isatty(0)) - opts.edit = 1; opts.action = REPLAY_REVERT; sequencer_init_config(&opts); res = run_sequencer(argc, argv, &opts); diff --git a/builtin/rm.c b/builtin/rm.c index bf4a443e13..8a24c715e0 100644 --- a/builtin/rm.c +++ b/builtin/rm.c @@ -5,6 +5,7 @@ */ #define USE_THE_INDEX_COMPATIBILITY_MACROS #include "builtin.h" +#include "advice.h" #include "config.h" #include "lockfile.h" #include "dir.h" @@ -61,7 +62,7 @@ static void print_error_files(struct string_list *files_list, } } -static void submodules_absorb_gitdir_if_needed(const char *prefix) +static void submodules_absorb_gitdir_if_needed(void) { int i; for (i = 0; i < list.nr; i++) { @@ -83,7 +84,7 @@ static void submodules_absorb_gitdir_if_needed(const char *prefix) continue; if (!submodule_uses_gitfile(name)) - absorb_git_dir_into_superproject(prefix, name, + absorb_git_dir_into_superproject(name, ABSORB_GITDIR_RECURSE_SUBMODULES); } } @@ -179,7 +180,7 @@ static int check_local_mod(struct object_id *head, int index_only) * way as changed from the HEAD. */ if (no_head - || get_tree_entry(head, name, &oid, &mode) + || get_tree_entry(the_repository, head, name, &oid, &mode) || ce->ce_mode != create_ce_mode(mode) || !oideq(&ce->oid, &oid)) staged_changes = 1; @@ -235,7 +236,8 @@ static int check_local_mod(struct object_id *head, int index_only) } static int show_only = 0, force = 0, index_only = 0, recursive = 0, quiet = 0; -static int ignore_unmatch = 0; +static int ignore_unmatch = 0, pathspec_file_nul; +static char *pathspec_from_file; static struct option builtin_rm_options[] = { OPT__DRY_RUN(&show_only, N_("dry run")), @@ -245,13 +247,15 @@ static struct option builtin_rm_options[] = { OPT_BOOL('r', NULL, &recursive, N_("allow recursive removal")), OPT_BOOL( 0 , "ignore-unmatch", &ignore_unmatch, N_("exit with a zero status even if nothing matched")), + OPT_PATHSPEC_FROM_FILE(&pathspec_from_file), + OPT_PATHSPEC_FILE_NUL(&pathspec_file_nul), OPT_END(), }; int cmd_rm(int argc, const char **argv, const char *prefix) { struct lock_file lock_file = LOCK_INIT; - int i; + int i, ret = 0; struct pathspec pathspec; char *seen; @@ -259,8 +263,24 @@ int cmd_rm(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, builtin_rm_options, builtin_rm_usage, 0); - if (!argc) - usage_with_options(builtin_rm_usage, builtin_rm_options); + + parse_pathspec(&pathspec, 0, + PATHSPEC_PREFER_CWD, + prefix, argv); + + if (pathspec_from_file) { + if (pathspec.nr) + die(_("--pathspec-from-file is incompatible with pathspec arguments")); + + parse_pathspec_file(&pathspec, 0, + PATHSPEC_PREFER_CWD, + prefix, pathspec_from_file, pathspec_file_nul); + } else if (pathspec_file_nul) { + die(_("--pathspec-file-nul requires --pathspec-from-file")); + } + + if (!pathspec.nr) + die(_("No pathspec was given. Which files should I remove?")); if (!index_only) setup_work_tree(); @@ -270,15 +290,16 @@ int cmd_rm(int argc, const char **argv, const char *prefix) if (read_cache() < 0) die(_("index file corrupt")); - parse_pathspec(&pathspec, 0, - PATHSPEC_PREFER_CWD, - prefix, argv); refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, &pathspec, NULL, NULL); seen = xcalloc(pathspec.nr, 1); + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(&the_index); for (i = 0; i < active_nr; i++) { const struct cache_entry *ce = active_cache[i]; + if (ce_skip_worktree(ce)) + continue; if (!ce_path_match(&the_index, ce, &pathspec, seen)) continue; ALLOC_GROW(list.entry, list.nr + 1, list.alloc); @@ -292,28 +313,40 @@ int cmd_rm(int argc, const char **argv, const char *prefix) if (pathspec.nr) { const char *original; int seen_any = 0; + char *skip_worktree_seen = NULL; + struct string_list only_match_skip_worktree = STRING_LIST_INIT_NODUP; + for (i = 0; i < pathspec.nr; i++) { original = pathspec.items[i].original; - if (!seen[i]) { - if (!ignore_unmatch) { - die(_("pathspec '%s' did not match any files"), - original); - } - } - else { + if (seen[i]) seen_any = 1; - } + else if (ignore_unmatch) + continue; + else if (matches_skip_worktree(&pathspec, i, &skip_worktree_seen)) + string_list_append(&only_match_skip_worktree, original); + else + die(_("pathspec '%s' did not match any files"), original); + if (!recursive && seen[i] == MATCHED_RECURSIVELY) die(_("not removing '%s' recursively without -r"), *original ? original : "."); } + if (only_match_skip_worktree.nr) { + advise_on_updating_sparse_paths(&only_match_skip_worktree); + ret = 1; + } + free(skip_worktree_seen); + string_list_clear(&only_match_skip_worktree, 0); + if (!seen_any) - exit(0); + exit(ret); } + clear_pathspec(&pathspec); + free(seen); if (!index_only) - submodules_absorb_gitdir_if_needed(prefix); + submodules_absorb_gitdir_if_needed(); /* * If not forced, the file, the index and the HEAD (if exists) @@ -389,5 +422,5 @@ int cmd_rm(int argc, const char **argv, const char *prefix) COMMIT_LOCK | SKIP_IF_UNCHANGED)) die(_("Unable to write new index file")); - return 0; + return ret; } diff --git a/builtin/send-pack.c b/builtin/send-pack.c index 098ebf22d0..729dea1d25 100644 --- a/builtin/send-pack.c +++ b/builtin/send-pack.c @@ -11,7 +11,7 @@ #include "quote.h" #include "transport.h" #include "version.h" -#include "sha1-array.h" +#include "oid-array.h" #include "gpg-interface.h" #include "gettext.h" #include "protocol.h" @@ -29,10 +29,12 @@ static struct send_pack_args args; static void print_helper_status(struct ref *ref) { struct strbuf buf = STRBUF_INIT; + struct ref_push_report *report; for (; ref; ref = ref->next) { const char *msg = NULL; const char *res; + int count = 0; switch(ref->status) { case REF_STATUS_NONE: @@ -69,6 +71,11 @@ static void print_helper_status(struct ref *ref) msg = "stale info"; break; + case REF_STATUS_REJECT_REMOTE_UPDATED: + res = "error"; + msg = "remote ref updated since checkout"; + break; + case REF_STATUS_REJECT_ALREADY_EXISTS: res = "error"; msg = "already exists"; @@ -94,6 +101,23 @@ static void print_helper_status(struct ref *ref) } strbuf_addch(&buf, '\n'); + if (ref->status == REF_STATUS_OK) { + for (report = ref->report; report; report = report->next) { + if (count++ > 0) + strbuf_addf(&buf, "ok %s\n", ref->name); + if (report->ref_name) + strbuf_addf(&buf, "option refname %s\n", + report->ref_name); + if (report->old_oid) + strbuf_addf(&buf, "option old-oid %s\n", + oid_to_hex(report->old_oid)); + if (report->new_oid) + strbuf_addf(&buf, "option new-oid %s\n", + oid_to_hex(report->new_oid)); + if (report->forced_update) + strbuf_addstr(&buf, "option forced-update\n"); + } + } write_or_die(1, buf.buf, buf.len); } strbuf_release(&buf); @@ -154,6 +178,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) int progress = -1; int from_stdin = 0; struct push_cas_option cas = {0}; + int force_if_includes = 0; struct packet_reader reader; struct option options[] = { @@ -165,9 +190,8 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) OPT_BOOL('n' , "dry-run", &dry_run, N_("dry run")), OPT_BOOL(0, "mirror", &send_mirror, N_("mirror all refs")), OPT_BOOL('f', "force", &force_update, N_("force updates")), - { OPTION_CALLBACK, - 0, "signed", &push_cert, "(yes|no|if-asked)", N_("GPG sign the push"), - PARSE_OPT_OPTARG, option_parse_push_signed }, + OPT_CALLBACK_F(0, "signed", &push_cert, "(yes|no|if-asked)", N_("GPG sign the push"), + PARSE_OPT_OPTARG, option_parse_push_signed), OPT_STRING_LIST(0, "push-option", &push_options, N_("server-specific"), N_("option to transmit")), @@ -177,10 +201,11 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "stateless-rpc", &stateless_rpc, N_("use stateless RPC protocol")), OPT_BOOL(0, "stdin", &from_stdin, N_("read refs from stdin")), OPT_BOOL(0, "helper-status", &helper_status, N_("print status from remote helper")), - { OPTION_CALLBACK, - 0, CAS_OPT_NAME, &cas, N_("<refname>:<expect>"), + OPT_CALLBACK_F(0, CAS_OPT_NAME, &cas, N_("<refname>:<expect>"), N_("require old value of ref to be at this value"), - PARSE_OPT_OPTARG, parseopt_push_cas_option }, + PARSE_OPT_OPTARG, parseopt_push_cas_option), + OPT_BOOL(0, TRANS_OPT_FORCE_IF_INCLUDES, &force_if_includes, + N_("require remote updates to be integrated locally")), OPT_END() }; @@ -205,6 +230,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) args.atomic = atomic; args.stateless_rpc = stateless_rpc; args.push_options = push_options.nr ? &push_options : NULL; + args.url = dest; if (from_stdin) { if (args.stateless_rpc) { @@ -282,6 +308,9 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) if (!is_empty_cas(&cas)) apply_push_cas(&cas, remote, remote_refs); + if (!is_empty_cas(&cas) && force_if_includes) + cas.use_force_if_includes = 1; + set_ref_status_for_push(remote_refs, args.send_mirror, args.force_update); diff --git a/builtin/shortlog.c b/builtin/shortlog.c index 65cd41392c..3e7ab1ca82 100644 --- a/builtin/shortlog.c +++ b/builtin/shortlog.c @@ -9,6 +9,8 @@ #include "mailmap.h" #include "shortlog.h" #include "parse-options.h" +#include "trailer.h" +#include "strmap.h" static char const * const shortlog_usage[] = { N_("git shortlog [<options>] [<revision-range>] [[--] <path>...]"), @@ -49,18 +51,17 @@ static int compare_by_list(const void *a1, const void *a2) } static void insert_one_record(struct shortlog *log, - const char *author, + const char *ident, const char *oneline) { struct string_list_item *item; - item = string_list_insert(&log->list, author); + item = string_list_insert(&log->list, ident); if (log->summary) item->util = (void *)(UTIL_TO_INT(item) + 1); else { - const char *dot3 = log->common_repo_prefix; - char *buffer, *p; + char *buffer; struct strbuf subject = STRBUF_INIT; const char *eol; @@ -80,25 +81,14 @@ static void insert_one_record(struct shortlog *log, format_subject(&subject, oneline, " "); buffer = strbuf_detach(&subject, NULL); - if (dot3) { - int dot3len = strlen(dot3); - if (dot3len > 5) { - while ((p = strstr(buffer, dot3)) != NULL) { - int taillen = strlen(p) - dot3len; - memcpy(p, "/.../", 5); - memmove(p + 5, p + dot3len, taillen + 1); - } - } - } - if (item->util == NULL) item->util = xcalloc(1, sizeof(struct string_list)); string_list_append(item->util, buffer); } } -static int parse_stdin_author(struct shortlog *log, - struct strbuf *out, const char *in) +static int parse_ident(struct shortlog *log, + struct strbuf *out, const char *in) { const char *mailbuf, *namebuf; size_t namelen, maillen; @@ -122,18 +112,33 @@ static int parse_stdin_author(struct shortlog *log, static void read_from_stdin(struct shortlog *log) { - struct strbuf author = STRBUF_INIT; - struct strbuf mapped_author = STRBUF_INIT; + struct strbuf ident = STRBUF_INIT; + struct strbuf mapped_ident = STRBUF_INIT; struct strbuf oneline = STRBUF_INIT; static const char *author_match[2] = { "Author: ", "author " }; static const char *committer_match[2] = { "Commit: ", "committer " }; const char **match; - match = log->committer ? committer_match : author_match; - while (strbuf_getline_lf(&author, stdin) != EOF) { + if (HAS_MULTI_BITS(log->groups)) + die(_("using multiple --group options with stdin is not supported")); + + switch (log->groups) { + case SHORTLOG_GROUP_AUTHOR: + match = author_match; + break; + case SHORTLOG_GROUP_COMMITTER: + match = committer_match; + break; + case SHORTLOG_GROUP_TRAILER: + die(_("using --group=trailer with stdin is not supported")); + default: + BUG("unhandled shortlog group"); + } + + while (strbuf_getline_lf(&ident, stdin) != EOF) { const char *v; - if (!skip_prefix(author.buf, match[0], &v) && - !skip_prefix(author.buf, match[1], &v)) + if (!skip_prefix(ident.buf, match[0], &v) && + !skip_prefix(ident.buf, match[1], &v)) continue; while (strbuf_getline_lf(&oneline, stdin) != EOF && oneline.len) @@ -142,23 +147,64 @@ static void read_from_stdin(struct shortlog *log) !oneline.len) ; /* discard blanks */ - strbuf_reset(&mapped_author); - if (parse_stdin_author(log, &mapped_author, v) < 0) + strbuf_reset(&mapped_ident); + if (parse_ident(log, &mapped_ident, v) < 0) continue; - insert_one_record(log, mapped_author.buf, oneline.buf); + insert_one_record(log, mapped_ident.buf, oneline.buf); } - strbuf_release(&author); - strbuf_release(&mapped_author); + strbuf_release(&ident); + strbuf_release(&mapped_ident); strbuf_release(&oneline); } +static void insert_records_from_trailers(struct shortlog *log, + struct strset *dups, + struct commit *commit, + struct pretty_print_context *ctx, + const char *oneline) +{ + struct trailer_iterator iter; + const char *commit_buffer, *body; + struct strbuf ident = STRBUF_INIT; + + /* + * Using format_commit_message("%B") would be simpler here, but + * this saves us copying the message. + */ + commit_buffer = logmsg_reencode(commit, NULL, ctx->output_encoding); + body = strstr(commit_buffer, "\n\n"); + if (!body) + return; + + trailer_iterator_init(&iter, body); + while (trailer_iterator_advance(&iter)) { + const char *value = iter.val.buf; + + if (!string_list_has_string(&log->trailers, iter.key.buf)) + continue; + + strbuf_reset(&ident); + if (!parse_ident(log, &ident, value)) + value = ident.buf; + + if (!strset_add(dups, value)) + continue; + insert_one_record(log, value, oneline); + } + trailer_iterator_release(&iter); + + strbuf_release(&ident); + unuse_commit_buffer(commit, commit_buffer); +} + void shortlog_add_commit(struct shortlog *log, struct commit *commit) { - struct strbuf author = STRBUF_INIT; + struct strbuf ident = STRBUF_INIT; struct strbuf oneline = STRBUF_INIT; + struct strset dups = STRSET_INIT; struct pretty_print_context ctx = {0}; - const char *fmt; + const char *oneline_str; ctx.fmt = CMIT_FMT_USERFORMAT; ctx.abbrev = log->abbrev; @@ -166,21 +212,38 @@ void shortlog_add_commit(struct shortlog *log, struct commit *commit) ctx.date_mode.type = DATE_NORMAL; ctx.output_encoding = get_log_output_encoding(); - fmt = log->committer ? - (log->email ? "%cN <%cE>" : "%cN") : - (log->email ? "%aN <%aE>" : "%aN"); - - format_commit_message(commit, fmt, &author, &ctx); if (!log->summary) { if (log->user_format) pretty_print_commit(&ctx, commit, &oneline); else format_commit_message(commit, "%s", &oneline, &ctx); } + oneline_str = oneline.len ? oneline.buf : "<none>"; + + if (log->groups & SHORTLOG_GROUP_AUTHOR) { + strbuf_reset(&ident); + format_commit_message(commit, + log->email ? "%aN <%aE>" : "%aN", + &ident, &ctx); + if (!HAS_MULTI_BITS(log->groups) || + strset_add(&dups, ident.buf)) + insert_one_record(log, ident.buf, oneline_str); + } + if (log->groups & SHORTLOG_GROUP_COMMITTER) { + strbuf_reset(&ident); + format_commit_message(commit, + log->email ? "%cN <%cE>" : "%cN", + &ident, &ctx); + if (!HAS_MULTI_BITS(log->groups) || + strset_add(&dups, ident.buf)) + insert_one_record(log, ident.buf, oneline_str); + } + if (log->groups & SHORTLOG_GROUP_TRAILER) { + insert_records_from_trailers(log, &dups, commit, &ctx, oneline_str); + } - insert_one_record(log, author.buf, oneline.len ? oneline.buf : "<none>"); - - strbuf_release(&author); + strset_clear(&dups); + strbuf_release(&ident); strbuf_release(&oneline); } @@ -241,16 +304,40 @@ static int parse_wrap_args(const struct option *opt, const char *arg, int unset) return 0; } +static int parse_group_option(const struct option *opt, const char *arg, int unset) +{ + struct shortlog *log = opt->value; + const char *field; + + if (unset) { + log->groups = 0; + string_list_clear(&log->trailers, 0); + } else if (!strcasecmp(arg, "author")) + log->groups |= SHORTLOG_GROUP_AUTHOR; + else if (!strcasecmp(arg, "committer")) + log->groups |= SHORTLOG_GROUP_COMMITTER; + else if (skip_prefix(arg, "trailer:", &field)) { + log->groups |= SHORTLOG_GROUP_TRAILER; + string_list_append(&log->trailers, field); + } else + return error(_("unknown group type: %s"), arg); + + return 0; +} + + void shortlog_init(struct shortlog *log) { memset(log, 0, sizeof(*log)); - read_mailmap(&log->mailmap, &log->common_repo_prefix); + read_mailmap(&log->mailmap); log->list.strdup_strings = 1; log->wrap = DEFAULT_WRAPLEN; log->in1 = DEFAULT_INDENT1; log->in2 = DEFAULT_INDENT2; + log->trailers.strdup_strings = 1; + log->trailers.cmp = strcasecmp; } int cmd_shortlog(int argc, const char **argv, const char *prefix) @@ -260,17 +347,20 @@ int cmd_shortlog(int argc, const char **argv, const char *prefix) int nongit = !startup_info->have_repository; const struct option options[] = { - OPT_BOOL('c', "committer", &log.committer, - N_("Group by committer rather than author")), + OPT_BIT('c', "committer", &log.groups, + N_("group by committer rather than author"), + SHORTLOG_GROUP_COMMITTER), OPT_BOOL('n', "numbered", &log.sort_by_number, N_("sort output according to the number of commits per author")), OPT_BOOL('s', "summary", &log.summary, - N_("Suppress commit descriptions, only provides commit count")), + N_("suppress commit descriptions, only provides commit count")), OPT_BOOL('e', "email", &log.email, - N_("Show the email address of each author")), - { OPTION_CALLBACK, 'w', NULL, &log, N_("<w>[,<i1>[,<i2>]]"), - N_("Linewrap output"), PARSE_OPT_OPTARG, - &parse_wrap_args }, + N_("show the email address of each author")), + OPT_CALLBACK_F('w', NULL, &log, N_("<w>[,<i1>[,<i2>]]"), + N_("linewrap output"), PARSE_OPT_OPTARG, + &parse_wrap_args), + OPT_CALLBACK(0, "group", &log, N_("field"), + N_("group by field"), parse_group_option), OPT_END(), }; @@ -311,6 +401,10 @@ parse_done: log.abbrev = rev.abbrev; log.file = rev.diffopt.file; + if (!log.groups) + log.groups = SHORTLOG_GROUP_AUTHOR; + string_list_sort(&log.trailers); + /* assume HEAD if from a tty */ if (!nongit && !rev.pending.nr && isatty(0)) add_head_to_pending(&rev); diff --git a/builtin/show-branch.c b/builtin/show-branch.c index 082daeac32..d77ce7aeb3 100644 --- a/builtin/show-branch.c +++ b/builtin/show-branch.c @@ -4,7 +4,7 @@ #include "refs.h" #include "builtin.h" #include "color.h" -#include "argv-array.h" +#include "strvec.h" #include "parse-options.h" #include "dir.h" #include "commit-slab.h" @@ -20,7 +20,7 @@ static const char* show_branch_usage[] = { static int showbranch_use_color = -1; -static struct argv_array default_args = ARGV_ARRAY_INIT; +static struct strvec default_args = STRVEC_INIT; /* * TODO: convert this use of commit->object.flags to commit-slab @@ -514,7 +514,6 @@ static int show_merge_base(struct commit_list *seen, int num_rev) static int show_independent(struct commit **rev, int num_rev, - char **ref_name, unsigned int *rev_mask) { int i; @@ -537,7 +536,7 @@ static void append_one_rev(const char *av) append_ref(av, &revkey, 0); return; } - if (strchr(av, '*') || strchr(av, '?') || strchr(av, '[')) { + if (strpbrk(av, "*?[")) { /* glob style match */ int saved_matches = ref_name_cnt; @@ -562,9 +561,9 @@ static int git_show_branch_config(const char *var, const char *value, void *cb) * default_arg is now passed to parse_options(), so we need to * mimic the real argv a bit better. */ - if (!default_args.argc) - argv_array_push(&default_args, "show-branch"); - argv_array_push(&default_args, value); + if (!default_args.nr) + strvec_push(&default_args, "show-branch"); + strvec_push(&default_args, value); return 0; } @@ -672,11 +671,11 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) N_("topologically sort, maintaining date order " "where possible"), REV_SORT_BY_COMMIT_DATE), - { OPTION_CALLBACK, 'g', "reflog", &reflog_base, N_("<n>[,<base>]"), + OPT_CALLBACK_F('g', "reflog", &reflog_base, N_("<n>[,<base>]"), N_("show <n> most recent ref-log entries starting at " "base"), PARSE_OPT_OPTARG | PARSE_OPT_NONEG, - parse_reflog_param }, + parse_reflog_param), OPT_END() }; @@ -685,9 +684,9 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) git_config(git_show_branch_config, NULL); /* If nothing is specified, try the default first */ - if (ac == 1 && default_args.argc) { - ac = default_args.argc; - av = default_args.argv; + if (ac == 1 && default_args.nr) { + ac = default_args.nr; + av = default_args.v; } ac = parse_options(ac, av, prefix, builtin_show_branch_options, @@ -742,7 +741,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) die(Q_("only %d entry can be shown at one time.", "only %d entries can be shown at one time.", MAX_REVS), MAX_REVS); - if (!dwim_ref(*av, strlen(*av), &oid, &ref)) + if (!dwim_ref(*av, strlen(*av), &oid, &ref, 0)) die(_("no such ref %s"), *av); /* Has the base been specified? */ @@ -862,7 +861,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) return show_merge_base(seen, num_rev); if (independent) - return show_independent(rev, num_rev, ref_name, rev_mask); + return show_independent(rev, num_rev, rev_mask); /* Show list; --more=-1 means list-only */ if (1 < num_rev || extra < 0) { @@ -940,9 +939,12 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) mark = '*'; else mark = '+'; - printf("%s%c%s", - get_color_code(i), - mark, get_color_reset_code()); + if (mark == ' ') + putchar(mark); + else + printf("%s%c%s", + get_color_code(i), + mark, get_color_reset_code()); } putchar(' '); } diff --git a/builtin/show-index.c b/builtin/show-index.c index a6e678809e..0e0b9fb95b 100644 --- a/builtin/show-index.c +++ b/builtin/show-index.c @@ -1,9 +1,12 @@ #include "builtin.h" #include "cache.h" #include "pack.h" +#include "parse-options.h" -static const char show_index_usage[] = -"git show-index"; +static const char *const show_index_usage[] = { + "git show-index [--object-format=<hash-algorithm>]", + NULL +}; int cmd_show_index(int argc, const char **argv, const char *prefix) { @@ -11,9 +14,26 @@ int cmd_show_index(int argc, const char **argv, const char *prefix) unsigned nr; unsigned int version; static unsigned int top_index[256]; + unsigned hashsz; + const char *hash_name = NULL; + int hash_algo; + const struct option show_index_options[] = { + OPT_STRING(0, "object-format", &hash_name, N_("hash-algorithm"), + N_("specify the hash algorithm to use")), + OPT_END() + }; + + argc = parse_options(argc, argv, prefix, show_index_options, show_index_usage, 0); + + if (hash_name) { + hash_algo = hash_algo_by_name(hash_name); + if (hash_algo == GIT_HASH_UNKNOWN) + die(_("Unknown hash algorithm")); + repo_set_hash_algo(the_repository, hash_algo); + } + + hashsz = the_hash_algo->rawsz; - if (argc != 1) - usage(show_index_usage); if (fread(top_index, 2 * 4, 1, stdin) != 1) die("unable to read header"); if (top_index[0] == htonl(PACK_IDX_SIGNATURE)) { @@ -36,24 +56,26 @@ int cmd_show_index(int argc, const char **argv, const char *prefix) } if (version == 1) { for (i = 0; i < nr; i++) { - unsigned int offset, entry[6]; + unsigned int offset, entry[(GIT_MAX_RAWSZ + 4) / sizeof(unsigned int)]; - if (fread(entry, 4 + 20, 1, stdin) != 1) + if (fread(entry, 4 + hashsz, 1, stdin) != 1) die("unable to read entry %u/%u", i, nr); offset = ntohl(entry[0]); - printf("%u %s\n", offset, sha1_to_hex((void *)(entry+1))); + printf("%u %s\n", offset, hash_to_hex((void *)(entry+1))); } } else { unsigned off64_nr = 0; struct { - unsigned char sha1[20]; + struct object_id oid; uint32_t crc; uint32_t off; } *entries; ALLOC_ARRAY(entries, nr); - for (i = 0; i < nr; i++) - if (fread(entries[i].sha1, 20, 1, stdin) != 1) + for (i = 0; i < nr; i++) { + if (fread(entries[i].oid.hash, hashsz, 1, stdin) != 1) die("unable to read sha1 %u/%u", i, nr); + entries[i].oid.algo = hash_algo_by_ptr(the_hash_algo); + } for (i = 0; i < nr; i++) if (fread(&entries[i].crc, 4, 1, stdin) != 1) die("unable to read crc %u/%u", i, nr); @@ -77,7 +99,7 @@ int cmd_show_index(int argc, const char **argv, const char *prefix) } printf("%" PRIuMAX " %s (%08"PRIx32")\n", (uintmax_t) offset, - sha1_to_hex(entries[i].sha1), + oid_to_hex(&entries[i].oid), ntohl(entries[i].crc)); } free(entries); diff --git a/builtin/show-ref.c b/builtin/show-ref.c index 6456da70cc..7f8a5332f8 100644 --- a/builtin/show-ref.c +++ b/builtin/show-ref.c @@ -40,7 +40,7 @@ static void show_one(const char *refname, const struct object_id *oid) if (!deref_tags) return; - if (!peel_ref(refname, &peeled)) { + if (!peel_iterated_oid(oid, &peeled)) { hex = find_unique_abbrev(&peeled, abbrev); printf("%s %s^{}\n", hex, refname); } @@ -169,15 +169,15 @@ static const struct option show_ref_options[] = { N_("show the HEAD reference, even if it would be filtered out")), OPT_BOOL('d', "dereference", &deref_tags, N_("dereference tags into object IDs")), - { OPTION_CALLBACK, 's', "hash", &abbrev, N_("n"), - N_("only show SHA1 hash using <n> digits"), - PARSE_OPT_OPTARG, &hash_callback }, + OPT_CALLBACK_F('s', "hash", &abbrev, N_("n"), + N_("only show SHA1 hash using <n> digits"), + PARSE_OPT_OPTARG, &hash_callback), OPT__ABBREV(&abbrev), OPT__QUIET(&quiet, N_("do not print results to stdout (useful with --verify)")), - { OPTION_CALLBACK, 0, "exclude-existing", &exclude_existing_arg, - N_("pattern"), N_("show refs from stdin that aren't in local repository"), - PARSE_OPT_OPTARG | PARSE_OPT_NONEG, exclude_existing_callback }, + OPT_CALLBACK_F(0, "exclude-existing", &exclude_existing_arg, + N_("pattern"), N_("show refs from stdin that aren't in local repository"), + PARSE_OPT_OPTARG | PARSE_OPT_NONEG, exclude_existing_callback), OPT_END() }; diff --git a/builtin/sparse-checkout.c b/builtin/sparse-checkout.c new file mode 100644 index 0000000000..8ba9f13787 --- /dev/null +++ b/builtin/sparse-checkout.c @@ -0,0 +1,678 @@ +#include "builtin.h" +#include "config.h" +#include "dir.h" +#include "parse-options.h" +#include "pathspec.h" +#include "repository.h" +#include "run-command.h" +#include "strbuf.h" +#include "string-list.h" +#include "cache.h" +#include "cache-tree.h" +#include "lockfile.h" +#include "resolve-undo.h" +#include "unpack-trees.h" +#include "wt-status.h" +#include "quote.h" +#include "sparse-index.h" + +static const char *empty_base = ""; + +static char const * const builtin_sparse_checkout_usage[] = { + N_("git sparse-checkout (init|list|set|add|reapply|disable) <options>"), + NULL +}; + +static void write_patterns_to_file(FILE *fp, struct pattern_list *pl) +{ + int i; + + for (i = 0; i < pl->nr; i++) { + struct path_pattern *p = pl->patterns[i]; + + if (p->flags & PATTERN_FLAG_NEGATIVE) + fprintf(fp, "!"); + + fprintf(fp, "%s", p->pattern); + + if (p->flags & PATTERN_FLAG_MUSTBEDIR) + fprintf(fp, "/"); + + fprintf(fp, "\n"); + } +} + +static char const * const builtin_sparse_checkout_list_usage[] = { + N_("git sparse-checkout list"), + NULL +}; + +static int sparse_checkout_list(int argc, const char **argv) +{ + static struct option builtin_sparse_checkout_list_options[] = { + OPT_END(), + }; + struct pattern_list pl; + char *sparse_filename; + int res; + + argc = parse_options(argc, argv, NULL, + builtin_sparse_checkout_list_options, + builtin_sparse_checkout_list_usage, 0); + + memset(&pl, 0, sizeof(pl)); + + pl.use_cone_patterns = core_sparse_checkout_cone; + + sparse_filename = get_sparse_checkout_filename(); + res = add_patterns_from_file_to_list(sparse_filename, "", 0, &pl, NULL, 0); + free(sparse_filename); + + if (res < 0) { + warning(_("this worktree is not sparse (sparse-checkout file may not exist)")); + return 0; + } + + if (pl.use_cone_patterns) { + int i; + struct pattern_entry *pe; + struct hashmap_iter iter; + struct string_list sl = STRING_LIST_INIT_DUP; + + hashmap_for_each_entry(&pl.recursive_hashmap, &iter, pe, ent) { + /* pe->pattern starts with "/", skip it */ + string_list_insert(&sl, pe->pattern + 1); + } + + string_list_sort(&sl); + + for (i = 0; i < sl.nr; i++) { + quote_c_style(sl.items[i].string, NULL, stdout, 0); + printf("\n"); + } + + return 0; + } + + write_patterns_to_file(stdout, &pl); + clear_pattern_list(&pl); + + return 0; +} + +static int update_working_directory(struct pattern_list *pl) +{ + enum update_sparsity_result result; + struct unpack_trees_options o; + struct lock_file lock_file = LOCK_INIT; + struct repository *r = the_repository; + + /* If no branch has been checked out, there are no updates to make. */ + if (is_index_unborn(r->index)) + return UPDATE_SPARSITY_SUCCESS; + + r->index->sparse_checkout_patterns = pl; + + memset(&o, 0, sizeof(o)); + o.verbose_update = isatty(2); + o.update = 1; + o.head_idx = -1; + o.src_index = r->index; + o.dst_index = r->index; + o.skip_sparse_checkout = 0; + o.pl = pl; + + setup_work_tree(); + + repo_hold_locked_index(r, &lock_file, LOCK_DIE_ON_ERROR); + + setup_unpack_trees_porcelain(&o, "sparse-checkout"); + result = update_sparsity(&o); + clear_unpack_trees_porcelain(&o); + + if (result == UPDATE_SPARSITY_WARNINGS) + /* + * We don't do any special handling of warnings from untracked + * files in the way or dirty entries that can't be removed. + */ + result = UPDATE_SPARSITY_SUCCESS; + if (result == UPDATE_SPARSITY_SUCCESS) + write_locked_index(r->index, &lock_file, COMMIT_LOCK); + else + rollback_lock_file(&lock_file); + + r->index->sparse_checkout_patterns = NULL; + return result; +} + +static char *escaped_pattern(char *pattern) +{ + char *p = pattern; + struct strbuf final = STRBUF_INIT; + + while (*p) { + if (is_glob_special(*p)) + strbuf_addch(&final, '\\'); + + strbuf_addch(&final, *p); + p++; + } + + return strbuf_detach(&final, NULL); +} + +static void write_cone_to_file(FILE *fp, struct pattern_list *pl) +{ + int i; + struct pattern_entry *pe; + struct hashmap_iter iter; + struct string_list sl = STRING_LIST_INIT_DUP; + struct strbuf parent_pattern = STRBUF_INIT; + + hashmap_for_each_entry(&pl->parent_hashmap, &iter, pe, ent) { + if (hashmap_get_entry(&pl->recursive_hashmap, pe, ent, NULL)) + continue; + + if (!hashmap_contains_parent(&pl->recursive_hashmap, + pe->pattern, + &parent_pattern)) + string_list_insert(&sl, pe->pattern); + } + + string_list_sort(&sl); + string_list_remove_duplicates(&sl, 0); + + fprintf(fp, "/*\n!/*/\n"); + + for (i = 0; i < sl.nr; i++) { + char *pattern = escaped_pattern(sl.items[i].string); + + if (strlen(pattern)) + fprintf(fp, "%s/\n!%s/*/\n", pattern, pattern); + free(pattern); + } + + string_list_clear(&sl, 0); + + hashmap_for_each_entry(&pl->recursive_hashmap, &iter, pe, ent) { + if (!hashmap_contains_parent(&pl->recursive_hashmap, + pe->pattern, + &parent_pattern)) + string_list_insert(&sl, pe->pattern); + } + + strbuf_release(&parent_pattern); + + string_list_sort(&sl); + string_list_remove_duplicates(&sl, 0); + + for (i = 0; i < sl.nr; i++) { + char *pattern = escaped_pattern(sl.items[i].string); + fprintf(fp, "%s/\n", pattern); + free(pattern); + } +} + +static int write_patterns_and_update(struct pattern_list *pl) +{ + char *sparse_filename; + FILE *fp; + int fd; + struct lock_file lk = LOCK_INIT; + int result; + + sparse_filename = get_sparse_checkout_filename(); + + if (safe_create_leading_directories(sparse_filename)) + die(_("failed to create directory for sparse-checkout file")); + + fd = hold_lock_file_for_update(&lk, sparse_filename, + LOCK_DIE_ON_ERROR); + + result = update_working_directory(pl); + if (result) { + rollback_lock_file(&lk); + free(sparse_filename); + clear_pattern_list(pl); + update_working_directory(NULL); + return result; + } + + fp = xfdopen(fd, "w"); + + if (core_sparse_checkout_cone) + write_cone_to_file(fp, pl); + else + write_patterns_to_file(fp, pl); + + fflush(fp); + commit_lock_file(&lk); + + free(sparse_filename); + clear_pattern_list(pl); + + return 0; +} + +enum sparse_checkout_mode { + MODE_NO_PATTERNS = 0, + MODE_ALL_PATTERNS = 1, + MODE_CONE_PATTERNS = 2, +}; + +static int set_config(enum sparse_checkout_mode mode) +{ + const char *config_path; + + if (upgrade_repository_format(1) < 0) + die(_("unable to upgrade repository format to enable worktreeConfig")); + if (git_config_set_gently("extensions.worktreeConfig", "true")) { + error(_("failed to set extensions.worktreeConfig setting")); + return 1; + } + + config_path = git_path("config.worktree"); + git_config_set_in_file_gently(config_path, + "core.sparseCheckout", + mode ? "true" : NULL); + + git_config_set_in_file_gently(config_path, + "core.sparseCheckoutCone", + mode == MODE_CONE_PATTERNS ? "true" : NULL); + + if (mode == MODE_NO_PATTERNS) + set_sparse_index_config(the_repository, 0); + + return 0; +} + +static char const * const builtin_sparse_checkout_init_usage[] = { + N_("git sparse-checkout init [--cone] [--[no-]sparse-index]"), + NULL +}; + +static struct sparse_checkout_init_opts { + int cone_mode; + int sparse_index; +} init_opts; + +static int sparse_checkout_init(int argc, const char **argv) +{ + struct pattern_list pl; + char *sparse_filename; + int res; + struct object_id oid; + int mode; + struct strbuf pattern = STRBUF_INIT; + + static struct option builtin_sparse_checkout_init_options[] = { + OPT_BOOL(0, "cone", &init_opts.cone_mode, + N_("initialize the sparse-checkout in cone mode")), + OPT_BOOL(0, "sparse-index", &init_opts.sparse_index, + N_("toggle the use of a sparse index")), + OPT_END(), + }; + + repo_read_index(the_repository); + + init_opts.sparse_index = -1; + + argc = parse_options(argc, argv, NULL, + builtin_sparse_checkout_init_options, + builtin_sparse_checkout_init_usage, 0); + + if (init_opts.cone_mode) { + mode = MODE_CONE_PATTERNS; + core_sparse_checkout_cone = 1; + } else + mode = MODE_ALL_PATTERNS; + + if (set_config(mode)) + return 1; + + memset(&pl, 0, sizeof(pl)); + + sparse_filename = get_sparse_checkout_filename(); + res = add_patterns_from_file_to_list(sparse_filename, "", 0, &pl, NULL, 0); + + if (init_opts.sparse_index >= 0) { + if (set_sparse_index_config(the_repository, init_opts.sparse_index) < 0) + die(_("failed to modify sparse-index config")); + + /* force an index rewrite */ + repo_read_index(the_repository); + the_repository->index->updated_workdir = 1; + } + + core_apply_sparse_checkout = 1; + + /* If we already have a sparse-checkout file, use it. */ + if (res >= 0) { + free(sparse_filename); + return update_working_directory(NULL); + } + + if (get_oid("HEAD", &oid)) { + FILE *fp; + + /* assume we are in a fresh repo, but update the sparse-checkout file */ + fp = xfopen(sparse_filename, "w"); + if (!fp) + die(_("failed to open '%s'"), sparse_filename); + + free(sparse_filename); + fprintf(fp, "/*\n!/*/\n"); + fclose(fp); + return 0; + } + + strbuf_addstr(&pattern, "/*"); + add_pattern(strbuf_detach(&pattern, NULL), empty_base, 0, &pl, 0); + strbuf_addstr(&pattern, "!/*/"); + add_pattern(strbuf_detach(&pattern, NULL), empty_base, 0, &pl, 0); + pl.use_cone_patterns = init_opts.cone_mode; + + return write_patterns_and_update(&pl); +} + +static void insert_recursive_pattern(struct pattern_list *pl, struct strbuf *path) +{ + struct pattern_entry *e = xmalloc(sizeof(*e)); + e->patternlen = path->len; + e->pattern = strbuf_detach(path, NULL); + hashmap_entry_init(&e->ent, fspathhash(e->pattern)); + + hashmap_add(&pl->recursive_hashmap, &e->ent); + + while (e->patternlen) { + char *slash = strrchr(e->pattern, '/'); + char *oldpattern = e->pattern; + size_t newlen; + + if (slash == e->pattern) + break; + + newlen = slash - e->pattern; + e = xmalloc(sizeof(struct pattern_entry)); + e->patternlen = newlen; + e->pattern = xstrndup(oldpattern, newlen); + hashmap_entry_init(&e->ent, fspathhash(e->pattern)); + + if (!hashmap_get_entry(&pl->parent_hashmap, e, ent, NULL)) + hashmap_add(&pl->parent_hashmap, &e->ent); + } +} + +static void strbuf_to_cone_pattern(struct strbuf *line, struct pattern_list *pl) +{ + strbuf_trim(line); + + strbuf_trim_trailing_dir_sep(line); + + if (strbuf_normalize_path(line)) + die(_("could not normalize path %s"), line->buf); + + if (!line->len) + return; + + if (line->buf[0] != '/') + strbuf_insertstr(line, 0, "/"); + + insert_recursive_pattern(pl, line); +} + +static char const * const builtin_sparse_checkout_set_usage[] = { + N_("git sparse-checkout (set|add) (--stdin | <patterns>)"), + NULL +}; + +static struct sparse_checkout_set_opts { + int use_stdin; +} set_opts; + +static void add_patterns_from_input(struct pattern_list *pl, + int argc, const char **argv) +{ + int i; + if (core_sparse_checkout_cone) { + struct strbuf line = STRBUF_INIT; + + hashmap_init(&pl->recursive_hashmap, pl_hashmap_cmp, NULL, 0); + hashmap_init(&pl->parent_hashmap, pl_hashmap_cmp, NULL, 0); + pl->use_cone_patterns = 1; + + if (set_opts.use_stdin) { + struct strbuf unquoted = STRBUF_INIT; + while (!strbuf_getline(&line, stdin)) { + if (line.buf[0] == '"') { + strbuf_reset(&unquoted); + if (unquote_c_style(&unquoted, line.buf, NULL)) + die(_("unable to unquote C-style string '%s'"), + line.buf); + + strbuf_swap(&unquoted, &line); + } + + strbuf_to_cone_pattern(&line, pl); + } + + strbuf_release(&unquoted); + } else { + for (i = 0; i < argc; i++) { + strbuf_setlen(&line, 0); + strbuf_addstr(&line, argv[i]); + strbuf_to_cone_pattern(&line, pl); + } + } + } else { + if (set_opts.use_stdin) { + struct strbuf line = STRBUF_INIT; + + while (!strbuf_getline(&line, stdin)) { + size_t len; + char *buf = strbuf_detach(&line, &len); + add_pattern(buf, empty_base, 0, pl, 0); + } + } else { + for (i = 0; i < argc; i++) + add_pattern(argv[i], empty_base, 0, pl, 0); + } + } +} + +enum modify_type { + REPLACE, + ADD, +}; + +static void add_patterns_cone_mode(int argc, const char **argv, + struct pattern_list *pl) +{ + struct strbuf buffer = STRBUF_INIT; + struct pattern_entry *pe; + struct hashmap_iter iter; + struct pattern_list existing; + char *sparse_filename = get_sparse_checkout_filename(); + + add_patterns_from_input(pl, argc, argv); + + memset(&existing, 0, sizeof(existing)); + existing.use_cone_patterns = core_sparse_checkout_cone; + + if (add_patterns_from_file_to_list(sparse_filename, "", 0, + &existing, NULL, 0)) + die(_("unable to load existing sparse-checkout patterns")); + free(sparse_filename); + + hashmap_for_each_entry(&existing.recursive_hashmap, &iter, pe, ent) { + if (!hashmap_contains_parent(&pl->recursive_hashmap, + pe->pattern, &buffer) || + !hashmap_contains_parent(&pl->parent_hashmap, + pe->pattern, &buffer)) { + strbuf_reset(&buffer); + strbuf_addstr(&buffer, pe->pattern); + insert_recursive_pattern(pl, &buffer); + } + } + + clear_pattern_list(&existing); + strbuf_release(&buffer); +} + +static void add_patterns_literal(int argc, const char **argv, + struct pattern_list *pl) +{ + char *sparse_filename = get_sparse_checkout_filename(); + if (add_patterns_from_file_to_list(sparse_filename, "", 0, + pl, NULL, 0)) + die(_("unable to load existing sparse-checkout patterns")); + free(sparse_filename); + add_patterns_from_input(pl, argc, argv); +} + +static int modify_pattern_list(int argc, const char **argv, enum modify_type m) +{ + int result; + int changed_config = 0; + struct pattern_list *pl = xcalloc(1, sizeof(*pl)); + + switch (m) { + case ADD: + if (core_sparse_checkout_cone) + add_patterns_cone_mode(argc, argv, pl); + else + add_patterns_literal(argc, argv, pl); + break; + + case REPLACE: + add_patterns_from_input(pl, argc, argv); + break; + } + + if (!core_apply_sparse_checkout) { + set_config(MODE_ALL_PATTERNS); + core_apply_sparse_checkout = 1; + changed_config = 1; + } + + result = write_patterns_and_update(pl); + + if (result && changed_config) + set_config(MODE_NO_PATTERNS); + + clear_pattern_list(pl); + free(pl); + return result; +} + +static int sparse_checkout_set(int argc, const char **argv, const char *prefix, + enum modify_type m) +{ + static struct option builtin_sparse_checkout_set_options[] = { + OPT_BOOL(0, "stdin", &set_opts.use_stdin, + N_("read patterns from standard in")), + OPT_END(), + }; + + repo_read_index(the_repository); + + argc = parse_options(argc, argv, prefix, + builtin_sparse_checkout_set_options, + builtin_sparse_checkout_set_usage, + PARSE_OPT_KEEP_UNKNOWN); + + return modify_pattern_list(argc, argv, m); +} + +static char const * const builtin_sparse_checkout_reapply_usage[] = { + N_("git sparse-checkout reapply"), + NULL +}; + +static int sparse_checkout_reapply(int argc, const char **argv) +{ + static struct option builtin_sparse_checkout_reapply_options[] = { + OPT_END(), + }; + + argc = parse_options(argc, argv, NULL, + builtin_sparse_checkout_reapply_options, + builtin_sparse_checkout_reapply_usage, 0); + + repo_read_index(the_repository); + return update_working_directory(NULL); +} + +static char const * const builtin_sparse_checkout_disable_usage[] = { + N_("git sparse-checkout disable"), + NULL +}; + +static int sparse_checkout_disable(int argc, const char **argv) +{ + static struct option builtin_sparse_checkout_disable_options[] = { + OPT_END(), + }; + struct pattern_list pl; + struct strbuf match_all = STRBUF_INIT; + + argc = parse_options(argc, argv, NULL, + builtin_sparse_checkout_disable_options, + builtin_sparse_checkout_disable_usage, 0); + + repo_read_index(the_repository); + + memset(&pl, 0, sizeof(pl)); + hashmap_init(&pl.recursive_hashmap, pl_hashmap_cmp, NULL, 0); + hashmap_init(&pl.parent_hashmap, pl_hashmap_cmp, NULL, 0); + pl.use_cone_patterns = 0; + core_apply_sparse_checkout = 1; + + strbuf_addstr(&match_all, "/*"); + add_pattern(strbuf_detach(&match_all, NULL), empty_base, 0, &pl, 0); + + prepare_repo_settings(the_repository); + the_repository->settings.sparse_index = 0; + + if (update_working_directory(&pl)) + die(_("error while refreshing working directory")); + + clear_pattern_list(&pl); + return set_config(MODE_NO_PATTERNS); +} + +int cmd_sparse_checkout(int argc, const char **argv, const char *prefix) +{ + static struct option builtin_sparse_checkout_options[] = { + OPT_END(), + }; + + if (argc == 2 && !strcmp(argv[1], "-h")) + usage_with_options(builtin_sparse_checkout_usage, + builtin_sparse_checkout_options); + + argc = parse_options(argc, argv, prefix, + builtin_sparse_checkout_options, + builtin_sparse_checkout_usage, + PARSE_OPT_STOP_AT_NON_OPTION); + + git_config(git_default_config, NULL); + + if (argc > 0) { + if (!strcmp(argv[0], "list")) + return sparse_checkout_list(argc, argv); + if (!strcmp(argv[0], "init")) + return sparse_checkout_init(argc, argv); + if (!strcmp(argv[0], "set")) + return sparse_checkout_set(argc, argv, prefix, REPLACE); + if (!strcmp(argv[0], "add")) + return sparse_checkout_set(argc, argv, prefix, ADD); + if (!strcmp(argv[0], "reapply")) + return sparse_checkout_reapply(argc, argv); + if (!strcmp(argv[0], "disable")) + return sparse_checkout_disable(argc, argv); + } + + usage_with_options(builtin_sparse_checkout_usage, + builtin_sparse_checkout_options); +} diff --git a/builtin/stash.c b/builtin/stash.c index fde6397caa..8f42360ca9 100644 --- a/builtin/stash.c +++ b/builtin/stash.c @@ -7,14 +7,16 @@ #include "cache-tree.h" #include "unpack-trees.h" #include "merge-recursive.h" -#include "argv-array.h" +#include "strvec.h" #include "run-command.h" #include "dir.h" +#include "entry.h" #include "rerere.h" #include "revision.h" #include "log-tree.h" #include "diffcore.h" #include "exec-cmd.h" +#include "entry.h" #define INCLUDE_ALL_FILES 2 @@ -24,9 +26,10 @@ static const char * const git_stash_usage[] = { N_("git stash drop [-q|--quiet] [<stash>]"), N_("git stash ( pop | apply ) [--index] [-q|--quiet] [<stash>]"), N_("git stash branch <branchname> [<stash>]"), - N_("git stash clear"), + "git stash clear", N_("git stash [push [-p|--patch] [-k|--[no-]keep-index] [-q|--quiet]\n" " [-u|--include-untracked] [-a|--all] [-m|--message <message>]\n" + " [--pathspec-from-file=<file> [--pathspec-file-nul]]\n" " [--] [<pathspec>...]]"), N_("git stash save [-p|--patch] [-k|--[no-]keep-index] [-q|--quiet]\n" " [-u|--include-untracked] [-a|--all] [<message>]"), @@ -64,7 +67,7 @@ static const char * const git_stash_branch_usage[] = { }; static const char * const git_stash_clear_usage[] = { - N_("git stash clear"), + "git stash clear", NULL }; @@ -86,7 +89,7 @@ static const char * const git_stash_save_usage[] = { NULL }; -static const char *ref_stash = "refs/stash"; +static const char ref_stash[] = "refs/stash"; static struct strbuf stash_index_path = STRBUF_INIT; /* @@ -184,7 +187,7 @@ static int get_stash_info(struct stash_info *info, int argc, const char **argv) end_of_rev = strchrnul(revision, '@'); strbuf_add(&symbolic, revision, end_of_rev - revision); - ret = dwim_ref(symbolic.buf, symbolic.len, &dummy, &expanded_ref); + ret = dwim_ref(symbolic.buf, symbolic.len, &dummy, &expanded_ref, 0); strbuf_release(&symbolic); switch (ret) { case 0: /* Not found, but valid ref */ @@ -221,7 +224,7 @@ static int clear_stash(int argc, const char **argv, const char *prefix) PARSE_OPT_STOP_AT_NON_OPTION); if (argc) - return error(_("git stash clear with parameters is " + return error(_("git stash clear with arguments is " "unimplemented")); return do_clear_stash(); @@ -276,8 +279,8 @@ static int diff_tree_binary(struct strbuf *out, struct object_id *w_commit) * however it should be done together with apply_cached. */ cp.git_cmd = 1; - argv_array_pushl(&cp.args, "diff-tree", "--binary", NULL); - argv_array_pushf(&cp.args, "%s^2^..%s^2", w_commit_hex, w_commit_hex); + strvec_pushl(&cp.args, "diff-tree", "--binary", NULL); + strvec_pushf(&cp.args, "%s^2^..%s^2", w_commit_hex, w_commit_hex); return pipe_command(&cp, NULL, 0, out, 0, NULL, 0); } @@ -292,7 +295,7 @@ static int apply_cached(struct strbuf *out) * buffer. */ cp.git_cmd = 1; - argv_array_pushl(&cp.args, "apply", "--cached", NULL); + strvec_pushl(&cp.args, "apply", "--cached", NULL); return pipe_command(&cp, out->buf, out->len, NULL, 0, NULL, 0); } @@ -305,7 +308,7 @@ static int reset_head(void) * API for resetting. */ cp.git_cmd = 1; - argv_array_push(&cp.args, "reset"); + strvec_push(&cp.args, "reset"); return run_command(&cp); } @@ -324,35 +327,6 @@ static void add_diff_to_buf(struct diff_queue_struct *q, } } -static int get_newly_staged(struct strbuf *out, struct object_id *c_tree) -{ - struct child_process cp = CHILD_PROCESS_INIT; - const char *c_tree_hex = oid_to_hex(c_tree); - - /* - * diff-index is very similar to diff-tree above, and should be - * converted together with update_index. - */ - cp.git_cmd = 1; - argv_array_pushl(&cp.args, "diff-index", "--cached", "--name-only", - "--diff-filter=A", NULL); - argv_array_push(&cp.args, c_tree_hex); - return pipe_command(&cp, NULL, 0, out, 0, NULL, 0); -} - -static int update_index(struct strbuf *out) -{ - struct child_process cp = CHILD_PROCESS_INIT; - - /* - * Update-index is very complicated and may need to have a public - * function exposed in order to remove this forking. - */ - cp.git_cmd = 1; - argv_array_pushl(&cp.args, "update-index", "--add", "--stdin", NULL); - return pipe_command(&cp, out->buf, out->len, NULL, 0, NULL, 0); -} - static int restore_untracked(struct object_id *u_tree) { int res; @@ -364,10 +338,10 @@ static int restore_untracked(struct object_id *u_tree) * run_command to fork processes that will not interfere. */ cp.git_cmd = 1; - argv_array_push(&cp.args, "read-tree"); - argv_array_push(&cp.args, oid_to_hex(u_tree)); - argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s", - stash_index_path.buf); + strvec_push(&cp.args, "read-tree"); + strvec_push(&cp.args, oid_to_hex(u_tree)); + strvec_pushf(&cp.env_array, "GIT_INDEX_FILE=%s", + stash_index_path.buf); if (run_command(&cp)) { remove_path(stash_index_path.buf); return -1; @@ -375,15 +349,130 @@ static int restore_untracked(struct object_id *u_tree) child_process_init(&cp); cp.git_cmd = 1; - argv_array_pushl(&cp.args, "checkout-index", "--all", NULL); - argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s", - stash_index_path.buf); + strvec_pushl(&cp.args, "checkout-index", "--all", NULL); + strvec_pushf(&cp.env_array, "GIT_INDEX_FILE=%s", + stash_index_path.buf); res = run_command(&cp); remove_path(stash_index_path.buf); return res; } +static void unstage_changes_unless_new(struct object_id *orig_tree) +{ + /* + * When we enter this function, there has been a clean merge of + * relevant trees, and the merge logic always stages whatever merges + * cleanly. We want to unstage those changes, unless it corresponds + * to a file that didn't exist as of orig_tree. + * + * However, if any SKIP_WORKTREE path is modified relative to + * orig_tree, then we want to clear the SKIP_WORKTREE bit and write + * it to the worktree before unstaging. + */ + + struct checkout state = CHECKOUT_INIT; + struct diff_options diff_opts; + struct lock_file lock = LOCK_INIT; + int i; + + /* If any entries have skip_worktree set, we'll have to check 'em out */ + state.force = 1; + state.quiet = 1; + state.refresh_cache = 1; + state.istate = &the_index; + + /* + * Step 1: get a difference between orig_tree (which corresponding + * to the index before a merge was run) and the current index + * (reflecting the changes brought in by the merge). + */ + diff_setup(&diff_opts); + diff_opts.flags.recursive = 1; + diff_opts.detect_rename = 0; + diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT; + diff_setup_done(&diff_opts); + + do_diff_cache(orig_tree, &diff_opts); + diffcore_std(&diff_opts); + + /* Iterate over the paths that changed due to the merge... */ + for (i = 0; i < diff_queued_diff.nr; i++) { + struct diff_filepair *p; + struct cache_entry *ce; + int pos; + + /* Look up the path's position in the current index. */ + p = diff_queued_diff.queue[i]; + pos = index_name_pos(&the_index, p->two->path, + strlen(p->two->path)); + + /* + * Step 2: Place changes in the working tree + * + * Stash is about restoring changes *to the working tree*. + * So if the merge successfully got a new version of some + * path, but left it out of the working tree, then clear the + * SKIP_WORKTREE bit and write it to the working tree. + */ + if (pos >= 0 && ce_skip_worktree(active_cache[pos])) { + struct stat st; + + ce = active_cache[pos]; + if (!lstat(ce->name, &st)) { + /* Conflicting path present; relocate it */ + struct strbuf new_path = STRBUF_INIT; + int fd; + + strbuf_addf(&new_path, + "%s.stash.XXXXXX", ce->name); + fd = xmkstemp(new_path.buf); + close(fd); + printf(_("WARNING: Untracked file in way of " + "tracked file! Renaming\n " + " %s -> %s\n" + " to make room.\n"), + ce->name, new_path.buf); + if (rename(ce->name, new_path.buf)) + die("Failed to move %s to %s\n", + ce->name, new_path.buf); + strbuf_release(&new_path); + } + checkout_entry(ce, &state, NULL, NULL); + ce->ce_flags &= ~CE_SKIP_WORKTREE; + } + + /* + * Step 3: "unstage" changes, as long as they are still tracked + */ + if (p->one->oid_valid) { + /* + * Path existed in orig_tree; restore index entry + * from that tree in order to "unstage" the changes. + */ + int option = ADD_CACHE_OK_TO_REPLACE; + if (pos < 0) + option = ADD_CACHE_OK_TO_ADD; + + ce = make_cache_entry(&the_index, + p->one->mode, + &p->one->oid, + p->one->path, + 0, 0); + add_index_entry(&the_index, ce, option); + } + } + diff_flush(&diff_opts); + + /* + * Step 4: write the new index to disk + */ + repo_hold_locked_index(the_repository, &lock, LOCK_DIE_ON_ERROR); + if (write_locked_index(&the_index, &lock, + COMMIT_LOCK | SKIP_IF_UNCHANGED)) + die(_("Unable to write index.")); +} + static int do_apply_stash(const char *prefix, struct stash_info *info, int index, int quiet) { @@ -396,7 +485,7 @@ static int do_apply_stash(const char *prefix, struct stash_info *info, const struct object_id *bases[1]; read_cache_preload(NULL); - if (refresh_cache(REFRESH_QUIET)) + if (refresh_and_write_cache(REFRESH_QUIET, 0, 0)) return -1; if (write_cache_as_tree(&c_tree, 0, NULL)) @@ -418,7 +507,7 @@ static int do_apply_stash(const char *prefix, struct stash_info *info, ret = apply_cached(&out); strbuf_release(&out); if (ret) - return error(_("conflicts in index." + return error(_("conflicts in index. " "Try without --index.")); discard_cache(); @@ -427,6 +516,8 @@ static int do_apply_stash(const char *prefix, struct stash_info *info, return error(_("could not save index tree")); reset_head(); + discard_cache(); + read_cache(); } } @@ -464,30 +555,10 @@ static int do_apply_stash(const char *prefix, struct stash_info *info, if (reset_tree(&index_tree, 0, 0)) return -1; } else { - struct strbuf out = STRBUF_INIT; - - if (get_newly_staged(&out, &c_tree)) { - strbuf_release(&out); - return -1; - } - - if (reset_tree(&c_tree, 0, 1)) { - strbuf_release(&out); - return -1; - } - - ret = update_index(&out); - strbuf_release(&out); - if (ret) - return -1; - - discard_cache(); + unstage_changes_unless_new(&c_tree); } - if (quiet) { - if (refresh_cache(REFRESH_QUIET)) - warning("could not refresh index"); - } else { + if (!quiet) { struct child_process cp = CHILD_PROCESS_INIT; /* @@ -497,7 +568,11 @@ static int do_apply_stash(const char *prefix, struct stash_info *info, */ cp.git_cmd = 1; cp.dir = prefix; - argv_array_push(&cp.args, "status"); + strvec_pushf(&cp.env_array, GIT_WORK_TREE_ENVIRONMENT"=%s", + absolute_path(get_git_work_tree())); + strvec_pushf(&cp.env_array, GIT_DIR_ENVIRONMENT"=%s", + absolute_path(get_git_dir())); + strvec_push(&cp.args, "status"); run_command(&cp); } @@ -528,11 +603,22 @@ static int apply_stash(int argc, const char **argv, const char *prefix) return ret; } +static int reject_reflog_ent(struct object_id *ooid, struct object_id *noid, + const char *email, timestamp_t timestamp, int tz, + const char *message, void *cb_data) +{ + return 1; +} + +static int reflog_is_empty(const char *refname) +{ + return !for_each_reflog_ent(refname, reject_reflog_ent, NULL); +} + static int do_drop_stash(struct stash_info *info, int quiet) { int ret; struct child_process cp_reflog = CHILD_PROCESS_INIT; - struct child_process cp = CHILD_PROCESS_INIT; /* * reflog does not provide a simple function for deleting refs. One will @@ -540,9 +626,9 @@ static int do_drop_stash(struct stash_info *info, int quiet) */ cp_reflog.git_cmd = 1; - argv_array_pushl(&cp_reflog.args, "reflog", "delete", "--updateref", - "--rewrite", NULL); - argv_array_push(&cp_reflog.args, info->revision.buf); + strvec_pushl(&cp_reflog.args, "reflog", "delete", "--updateref", + "--rewrite", NULL); + strvec_push(&cp_reflog.args, info->revision.buf); ret = run_command(&cp_reflog); if (!ret) { if (!quiet) @@ -553,19 +639,7 @@ static int do_drop_stash(struct stash_info *info, int quiet) info->revision.buf); } - /* - * This could easily be replaced by get_oid, but currently it will throw - * a fatal error when a reflog is empty, which we can not recover from. - */ - cp.git_cmd = 1; - /* Even though --quiet is specified, rev-parse still outputs the hash */ - cp.no_stdout = 1; - argv_array_pushl(&cp.args, "rev-parse", "--verify", "--quiet", NULL); - argv_array_pushf(&cp.args, "%s@{0}", ref_stash); - ret = run_command(&cp); - - /* do_clear_stash if we just dropped the last stash entry */ - if (ret) + if (reflog_is_empty(ref_stash)) do_clear_stash(); return 0; @@ -657,9 +731,9 @@ static int branch_stash(int argc, const char **argv, const char *prefix) return -1; cp.git_cmd = 1; - argv_array_pushl(&cp.args, "checkout", "-b", NULL); - argv_array_push(&cp.args, branch); - argv_array_push(&cp.args, oid_to_hex(&info.b_commit)); + strvec_pushl(&cp.args, "checkout", "-b", NULL); + strvec_push(&cp.args, branch); + strvec_push(&cp.args, oid_to_hex(&info.b_commit)); ret = run_command(&cp); if (!ret) ret = do_apply_stash(prefix, &info, 1, 0); @@ -686,16 +760,18 @@ static int list_stash(int argc, const char **argv, const char *prefix) return 0; cp.git_cmd = 1; - argv_array_pushl(&cp.args, "log", "--format=%gd: %gs", "-g", - "--first-parent", "-m", NULL); - argv_array_pushv(&cp.args, argv); - argv_array_push(&cp.args, ref_stash); - argv_array_push(&cp.args, "--"); + strvec_pushl(&cp.args, "log", "--format=%gd: %gs", "-g", + "--first-parent", NULL); + strvec_pushv(&cp.args, argv); + strvec_push(&cp.args, ref_stash); + strvec_push(&cp.args, "--"); return run_command(&cp); } static int show_stat = 1; static int show_patch; +static int show_include_untracked; +static int use_legacy_stash; static int git_stash_config(const char *var, const char *value, void *cb) { @@ -707,7 +783,42 @@ static int git_stash_config(const char *var, const char *value, void *cb) show_patch = git_config_bool(var, value); return 0; } - return git_default_config(var, value, cb); + if (!strcmp(var, "stash.showincludeuntracked")) { + show_include_untracked = git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "stash.usebuiltin")) { + use_legacy_stash = !git_config_bool(var, value); + return 0; + } + return git_diff_basic_config(var, value, cb); +} + +static void diff_include_untracked(const struct stash_info *info, struct diff_options *diff_opt) +{ + const struct object_id *oid[] = { &info->w_commit, &info->u_tree }; + struct tree *tree[ARRAY_SIZE(oid)]; + struct tree_desc tree_desc[ARRAY_SIZE(oid)]; + struct unpack_trees_options unpack_tree_opt = { 0 }; + int i; + + for (i = 0; i < ARRAY_SIZE(oid); i++) { + tree[i] = parse_tree_indirect(oid[i]); + if (parse_tree(tree[i]) < 0) + die(_("failed to parse tree")); + init_tree_desc(&tree_desc[i], tree[i]->buffer, tree[i]->size); + } + + unpack_tree_opt.head_idx = -1; + unpack_tree_opt.src_index = &the_index; + unpack_tree_opt.dst_index = &the_index; + unpack_tree_opt.merge = 1; + unpack_tree_opt.fn = stash_worktree_untracked_merge; + + if (unpack_trees(ARRAY_SIZE(tree_desc), tree_desc, &unpack_tree_opt)) + die(_("failed to unpack trees")); + + do_diff_cache(&info->b_commit, diff_opt); } static int show_stash(int argc, const char **argv, const char *prefix) @@ -716,9 +827,20 @@ static int show_stash(int argc, const char **argv, const char *prefix) int ret = 0; struct stash_info info; struct rev_info rev; - struct argv_array stash_args = ARGV_ARRAY_INIT; - struct argv_array revision_args = ARGV_ARRAY_INIT; + struct strvec stash_args = STRVEC_INIT; + struct strvec revision_args = STRVEC_INIT; + enum { + UNTRACKED_NONE, + UNTRACKED_INCLUDE, + UNTRACKED_ONLY + } show_untracked = show_include_untracked ? UNTRACKED_INCLUDE : UNTRACKED_NONE; struct option options[] = { + OPT_SET_INT('u', "include-untracked", &show_untracked, + N_("include untracked files in the stash"), + UNTRACKED_INCLUDE), + OPT_SET_INT_F(0, "only-untracked", &show_untracked, + N_("only show untracked files in the stash"), + UNTRACKED_ONLY, PARSE_OPT_NONEG), OPT_END() }; @@ -726,16 +848,20 @@ static int show_stash(int argc, const char **argv, const char *prefix) git_config(git_diff_ui_config, NULL); init_revisions(&rev, prefix); - argv_array_push(&revision_args, argv[0]); + argc = parse_options(argc, argv, prefix, options, git_stash_show_usage, + PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN | + PARSE_OPT_KEEP_DASHDASH); + + strvec_push(&revision_args, argv[0]); for (i = 1; i < argc; i++) { if (argv[i][0] != '-') - argv_array_push(&stash_args, argv[i]); + strvec_push(&stash_args, argv[i]); else - argv_array_push(&revision_args, argv[i]); + strvec_push(&revision_args, argv[i]); } - ret = get_stash_info(&info, stash_args.argc, stash_args.argv); - argv_array_clear(&stash_args); + ret = get_stash_info(&info, stash_args.nr, stash_args.v); + strvec_clear(&stash_args); if (ret) return -1; @@ -743,8 +869,7 @@ static int show_stash(int argc, const char **argv, const char *prefix) * The config settings are applied only if there are not passed * any options. */ - if (revision_args.argc == 1) { - git_config(git_stash_config, NULL); + if (revision_args.nr == 1) { if (show_stat) rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT; @@ -757,7 +882,7 @@ static int show_stash(int argc, const char **argv, const char *prefix) } } - argc = setup_revisions(revision_args.argc, revision_args.argv, &rev, NULL); + argc = setup_revisions(revision_args.nr, revision_args.v, &rev, NULL); if (argc > 1) { free_stash_info(&info); usage_with_options(git_stash_show_usage, options); @@ -769,7 +894,21 @@ static int show_stash(int argc, const char **argv, const char *prefix) rev.diffopt.flags.recursive = 1; setup_diff_pager(&rev.diffopt); - diff_tree_oid(&info.b_commit, &info.w_commit, "", &rev.diffopt); + switch (show_untracked) { + case UNTRACKED_NONE: + diff_tree_oid(&info.b_commit, &info.w_commit, "", &rev.diffopt); + break; + case UNTRACKED_ONLY: + if (info.has_u) + diff_root_tree_oid(&info.u_tree, "", &rev.diffopt); + break; + case UNTRACKED_INCLUDE: + if (info.has_u) + diff_include_untracked(&info, &rev.diffopt); + else + diff_tree_oid(&info.b_commit, &info.w_commit, "", &rev.diffopt); + break; + } log_tree_diff_flush(&rev); free_stash_info(&info); @@ -832,12 +971,12 @@ static int store_stash(int argc, const char **argv, const char *prefix) return do_store_stash(&obj, stash_msg, quiet); } -static void add_pathspecs(struct argv_array *args, +static void add_pathspecs(struct strvec *args, const struct pathspec *ps) { int i; for (i = 0; i < ps->nr; i++) - argv_array_push(args, ps->items[i].original); + strvec_push(args, ps->items[i].original); } /* @@ -851,33 +990,22 @@ static int get_untracked_files(const struct pathspec *ps, int include_untracked, struct strbuf *untracked_files) { int i; - int max_len; int found = 0; - char *seen; - struct dir_struct dir; + struct dir_struct dir = DIR_INIT; - memset(&dir, 0, sizeof(dir)); if (include_untracked != INCLUDE_ALL_FILES) setup_standard_excludes(&dir); - seen = xcalloc(ps->nr, 1); - - max_len = fill_directory(&dir, the_repository->index, ps); + fill_directory(&dir, the_repository->index, ps); for (i = 0; i < dir.nr; i++) { struct dir_entry *ent = dir.entries[i]; - if (dir_path_match(&the_index, ent, ps, max_len, seen)) { - found++; - strbuf_addstr(untracked_files, ent->name); - /* NUL-terminate: will be fed to update-index -z */ - strbuf_addch(untracked_files, '\0'); - } - free(ent); + found++; + strbuf_addstr(untracked_files, ent->name); + /* NUL-terminate: will be fed to update-index -z */ + strbuf_addch(untracked_files, '\0'); } - free(seen); - free(dir.entries); - free(dir.ignored); - clear_directory(&dir); + dir_clear(&dir); return found; } @@ -957,9 +1085,9 @@ static int save_untracked_files(struct stash_info *info, struct strbuf *msg, struct index_state istate = { NULL }; cp_upd_index.git_cmd = 1; - argv_array_pushl(&cp_upd_index.args, "update-index", "-z", "--add", - "--remove", "--stdin", NULL); - argv_array_pushf(&cp_upd_index.env_array, "GIT_INDEX_FILE=%s", + strvec_pushl(&cp_upd_index.args, "update-index", "-z", "--add", + "--remove", "--stdin", NULL); + strvec_pushf(&cp_upd_index.env_array, "GIT_INDEX_FILE=%s", stash_index_path.buf); strbuf_addf(&untracked_msg, "untracked files on %s\n", msg->buf); @@ -993,32 +1121,35 @@ static int stash_patch(struct stash_info *info, const struct pathspec *ps, { int ret = 0; struct child_process cp_read_tree = CHILD_PROCESS_INIT; - struct child_process cp_add_i = CHILD_PROCESS_INIT; struct child_process cp_diff_tree = CHILD_PROCESS_INIT; struct index_state istate = { NULL }; + char *old_index_env = NULL, *old_repo_index_file; remove_path(stash_index_path.buf); cp_read_tree.git_cmd = 1; - argv_array_pushl(&cp_read_tree.args, "read-tree", "HEAD", NULL); - argv_array_pushf(&cp_read_tree.env_array, "GIT_INDEX_FILE=%s", - stash_index_path.buf); + strvec_pushl(&cp_read_tree.args, "read-tree", "HEAD", NULL); + strvec_pushf(&cp_read_tree.env_array, "GIT_INDEX_FILE=%s", + stash_index_path.buf); if (run_command(&cp_read_tree)) { ret = -1; goto done; } /* Find out what the user wants. */ - cp_add_i.git_cmd = 1; - argv_array_pushl(&cp_add_i.args, "add--interactive", "--patch=stash", - "--", NULL); - add_pathspecs(&cp_add_i.args, ps); - argv_array_pushf(&cp_add_i.env_array, "GIT_INDEX_FILE=%s", - stash_index_path.buf); - if (run_command(&cp_add_i)) { - ret = -1; - goto done; - } + old_repo_index_file = the_repository->index_file; + the_repository->index_file = stash_index_path.buf; + old_index_env = xstrdup_or_null(getenv(INDEX_ENVIRONMENT)); + setenv(INDEX_ENVIRONMENT, the_repository->index_file, 1); + + ret = run_add_interactive(NULL, "--patch=stash", ps); + + the_repository->index_file = old_repo_index_file; + if (old_index_env && *old_index_env) + setenv(INDEX_ENVIRONMENT, old_index_env, 1); + else + unsetenv(INDEX_ENVIRONMENT); + FREE_AND_NULL(old_index_env); /* State of the working tree. */ if (write_index_as_tree(&info->w_tree, &istate, stash_index_path.buf, 0, @@ -1028,8 +1159,8 @@ static int stash_patch(struct stash_info *info, const struct pathspec *ps, } cp_diff_tree.git_cmd = 1; - argv_array_pushl(&cp_diff_tree.args, "diff-tree", "-p", "HEAD", - oid_to_hex(&info->w_tree), "--", NULL); + strvec_pushl(&cp_diff_tree.args, "diff-tree", "-p", "-U1", "HEAD", + oid_to_hex(&info->w_tree), "--", NULL); if (pipe_command(&cp_diff_tree, NULL, 0, out_patch, 0, NULL, 0)) { ret = -1; goto done; @@ -1082,10 +1213,11 @@ static int stash_working_tree(struct stash_info *info, const struct pathspec *ps } cp_upd_index.git_cmd = 1; - argv_array_pushl(&cp_upd_index.args, "update-index", "-z", "--add", - "--remove", "--stdin", NULL); - argv_array_pushf(&cp_upd_index.env_array, "GIT_INDEX_FILE=%s", - stash_index_path.buf); + strvec_pushl(&cp_upd_index.args, "update-index", + "--ignore-skip-worktree-entries", + "-z", "--add", "--remove", "--stdin", NULL); + strvec_pushf(&cp_upd_index.env_array, "GIT_INDEX_FILE=%s", + stash_index_path.buf); if (pipe_command(&cp_upd_index, diff_output.buf, diff_output.len, NULL, 0, NULL, 0)) { @@ -1129,7 +1261,10 @@ static int do_create_stash(const struct pathspec *ps, struct strbuf *stash_msg_b prepare_fallback_ident("git stash", "git@stash"); read_cache_preload(NULL); - refresh_cache(REFRESH_QUIET); + if (refresh_and_write_cache(REFRESH_QUIET, 0, 0) < 0) { + ret = -1; + goto done; + } if (get_oid("HEAD", &info->b_commit)) { if (!quiet) @@ -1277,6 +1412,8 @@ static int do_push_stash(const struct pathspec *ps, const char *stash_msg, int q int i; char *ps_matched = xcalloc(ps->nr, 1); + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(&the_index); for (i = 0; i < active_nr; i++) ce_path_match(&the_index, active_cache[i], ps, ps_matched); @@ -1290,7 +1427,7 @@ static int do_push_stash(const struct pathspec *ps, const char *stash_msg, int q free(ps_matched); } - if (refresh_cache(REFRESH_QUIET)) { + if (refresh_and_write_cache(REFRESH_QUIET, 0, 0)) { ret = -1; goto done; } @@ -1332,10 +1469,10 @@ static int do_push_stash(const struct pathspec *ps, const char *stash_msg, int q struct child_process cp = CHILD_PROCESS_INIT; cp.git_cmd = 1; - argv_array_pushl(&cp.args, "clean", "--force", - "--quiet", "-d", NULL); + strvec_pushl(&cp.args, "clean", "--force", + "--quiet", "-d", NULL); if (include_untracked == INCLUDE_ALL_FILES) - argv_array_push(&cp.args, "-x"); + strvec_push(&cp.args, "-x"); if (run_command(&cp)) { ret = -1; goto done; @@ -1349,12 +1486,12 @@ static int do_push_stash(const struct pathspec *ps, const char *stash_msg, int q struct strbuf out = STRBUF_INIT; cp_add.git_cmd = 1; - argv_array_push(&cp_add.args, "add"); + strvec_push(&cp_add.args, "add"); if (!include_untracked) - argv_array_push(&cp_add.args, "-u"); + strvec_push(&cp_add.args, "-u"); if (include_untracked == INCLUDE_ALL_FILES) - argv_array_push(&cp_add.args, "--force"); - argv_array_push(&cp_add.args, "--"); + strvec_push(&cp_add.args, "--force"); + strvec_push(&cp_add.args, "--"); add_pathspecs(&cp_add.args, ps); if (run_command(&cp_add)) { ret = -1; @@ -1362,9 +1499,9 @@ static int do_push_stash(const struct pathspec *ps, const char *stash_msg, int q } cp_diff.git_cmd = 1; - argv_array_pushl(&cp_diff.args, "diff-index", "-p", - "--cached", "--binary", "HEAD", "--", - NULL); + strvec_pushl(&cp_diff.args, "diff-index", "-p", + "--cached", "--binary", "HEAD", "--", + NULL); add_pathspecs(&cp_diff.args, ps); if (pipe_command(&cp_diff, NULL, 0, &out, 0, NULL, 0)) { ret = -1; @@ -1372,8 +1509,8 @@ static int do_push_stash(const struct pathspec *ps, const char *stash_msg, int q } cp_apply.git_cmd = 1; - argv_array_pushl(&cp_apply.args, "apply", "--index", - "-R", NULL); + strvec_pushl(&cp_apply.args, "apply", "--index", + "-R", NULL); if (pipe_command(&cp_apply, out.buf, out.len, NULL, 0, NULL, 0)) { ret = -1; @@ -1382,8 +1519,8 @@ static int do_push_stash(const struct pathspec *ps, const char *stash_msg, int q } else { struct child_process cp = CHILD_PROCESS_INIT; cp.git_cmd = 1; - argv_array_pushl(&cp.args, "reset", "--hard", "-q", - NULL); + strvec_pushl(&cp.args, "reset", "--hard", "-q", + "--no-recurse-submodules", NULL); if (run_command(&cp)) { ret = -1; goto done; @@ -1391,30 +1528,16 @@ static int do_push_stash(const struct pathspec *ps, const char *stash_msg, int q } if (keep_index == 1 && !is_null_oid(&info.i_tree)) { - struct child_process cp_ls = CHILD_PROCESS_INIT; - struct child_process cp_checkout = CHILD_PROCESS_INIT; - struct strbuf out = STRBUF_INIT; - - if (reset_tree(&info.i_tree, 0, 1)) { - ret = -1; - goto done; - } - - cp_ls.git_cmd = 1; - argv_array_pushl(&cp_ls.args, "ls-files", "-z", - "--modified", "--", NULL); - - add_pathspecs(&cp_ls.args, ps); - if (pipe_command(&cp_ls, NULL, 0, &out, 0, NULL, 0)) { - ret = -1; - goto done; - } + struct child_process cp = CHILD_PROCESS_INIT; - cp_checkout.git_cmd = 1; - argv_array_pushl(&cp_checkout.args, "checkout-index", - "-z", "--force", "--stdin", NULL); - if (pipe_command(&cp_checkout, out.buf, out.len, NULL, - 0, NULL, 0)) { + cp.git_cmd = 1; + strvec_pushl(&cp.args, "checkout", "--no-overlay", + oid_to_hex(&info.i_tree), "--", NULL); + if (!ps->nr) + strvec_push(&cp.args, ":/"); + else + add_pathspecs(&cp.args, ps); + if (run_command(&cp)) { ret = -1; goto done; } @@ -1424,7 +1547,7 @@ static int do_push_stash(const struct pathspec *ps, const char *stash_msg, int q struct child_process cp = CHILD_PROCESS_INIT; cp.git_cmd = 1; - argv_array_pushl(&cp.args, "apply", "-R", NULL); + strvec_pushl(&cp.args, "apply", "-R", NULL); if (pipe_command(&cp, patch.buf, patch.len, NULL, 0, NULL, 0)) { if (!quiet) @@ -1438,7 +1561,7 @@ static int do_push_stash(const struct pathspec *ps, const char *stash_msg, int q struct child_process cp = CHILD_PROCESS_INIT; cp.git_cmd = 1; - argv_array_pushl(&cp.args, "reset", "-q", "--", NULL); + strvec_pushl(&cp.args, "reset", "-q", "--", NULL); add_pathspecs(&cp.args, ps); if (run_command(&cp)) { ret = -1; @@ -1453,13 +1576,17 @@ done: return ret; } -static int push_stash(int argc, const char **argv, const char *prefix) +static int push_stash(int argc, const char **argv, const char *prefix, + int push_assumed) { + int force_assume = 0; int keep_index = -1; int patch_mode = 0; int include_untracked = 0; int quiet = 0; + int pathspec_file_nul = 0; const char *stash_msg = NULL; + const char *pathspec_from_file = NULL; struct pathspec ps; struct option options[] = { OPT_BOOL('k', "keep-index", &keep_index, @@ -1473,16 +1600,45 @@ static int push_stash(int argc, const char **argv, const char *prefix) N_("include ignore files"), 2), OPT_STRING('m', "message", &stash_msg, N_("message"), N_("stash message")), + OPT_PATHSPEC_FROM_FILE(&pathspec_from_file), + OPT_PATHSPEC_FILE_NUL(&pathspec_file_nul), OPT_END() }; - if (argc) + if (argc) { + force_assume = !strcmp(argv[0], "-p"); argc = parse_options(argc, argv, prefix, options, git_stash_push_usage, - 0); + PARSE_OPT_KEEP_DASHDASH); + } + + if (argc) { + if (!strcmp(argv[0], "--")) { + argc--; + argv++; + } else if (push_assumed && !force_assume) { + die("subcommand wasn't specified; 'push' can't be assumed due to unexpected token '%s'", + argv[0]); + } + } parse_pathspec(&ps, 0, PATHSPEC_PREFER_FULL | PATHSPEC_PREFIX_ORIGIN, prefix, argv); + + if (pathspec_from_file) { + if (patch_mode) + die(_("--pathspec-from-file is incompatible with --patch")); + + if (ps.nr) + die(_("--pathspec-from-file is incompatible with pathspec arguments")); + + parse_pathspec_file(&ps, 0, + PATHSPEC_PREFER_FULL | PATHSPEC_PREFIX_ORIGIN, + prefix, pathspec_from_file, pathspec_file_nul); + } else if (pathspec_file_nul) { + die(_("--pathspec-file-nul requires --pathspec-from-file")); + } + return do_push_stash(&ps, stash_msg, quiet, keep_index, patch_mode, include_untracked); } @@ -1527,55 +1683,22 @@ static int save_stash(int argc, const char **argv, const char *prefix) return ret; } -static int use_builtin_stash(void) -{ - struct child_process cp = CHILD_PROCESS_INIT; - struct strbuf out = STRBUF_INIT; - int ret, env = git_env_bool("GIT_TEST_STASH_USE_BUILTIN", -1); - - if (env != -1) - return env; - - argv_array_pushl(&cp.args, - "config", "--bool", "stash.usebuiltin", NULL); - cp.git_cmd = 1; - if (capture_command(&cp, &out, 6)) { - strbuf_release(&out); - return 1; - } - - strbuf_trim(&out); - ret = !strcmp("true", out.buf); - strbuf_release(&out); - return ret; -} - int cmd_stash(int argc, const char **argv, const char *prefix) { - int i = -1; pid_t pid = getpid(); const char *index_file; - struct argv_array args = ARGV_ARRAY_INIT; + struct strvec args = STRVEC_INIT; struct option options[] = { OPT_END() }; - if (!use_builtin_stash()) { - const char *path = mkpath("%s/git-legacy-stash", - git_exec_path()); - - if (sane_execvp(path, (char **)argv) < 0) - die_errno(_("could not exec %s"), path); - else - BUG("sane_execvp() returned???"); - } - - prefix = setup_git_directory(); - trace_repo_setup(prefix); - setup_work_tree(); + git_config(git_stash_config, NULL); - git_config(git_diff_basic_config, NULL); + if (use_legacy_stash || + !git_env_bool("GIT_TEST_STASH_USE_BUILTIN", -1)) + warning(_("the stash.useBuiltin support has been removed!\n" + "See its entry in 'git help config' for details.")); argc = parse_options(argc, argv, prefix, options, git_stash_usage, PARSE_OPT_KEEP_UNKNOWN | PARSE_OPT_KEEP_DASHDASH); @@ -1585,7 +1708,7 @@ int cmd_stash(int argc, const char **argv, const char *prefix) (uintmax_t)pid); if (!argc) - return !!push_stash(0, NULL, prefix); + return !!push_stash(0, NULL, prefix, 0); else if (!strcmp(argv[0], "apply")) return !!apply_stash(argc, argv, prefix); else if (!strcmp(argv[0], "clear")) @@ -1605,45 +1728,15 @@ int cmd_stash(int argc, const char **argv, const char *prefix) else if (!strcmp(argv[0], "create")) return !!create_stash(argc, argv, prefix); else if (!strcmp(argv[0], "push")) - return !!push_stash(argc, argv, prefix); + return !!push_stash(argc, argv, prefix, 0); else if (!strcmp(argv[0], "save")) return !!save_stash(argc, argv, prefix); else if (*argv[0] != '-') usage_msg_opt(xstrfmt(_("unknown subcommand: %s"), argv[0]), git_stash_usage, options); - if (strcmp(argv[0], "-p")) { - while (++i < argc && strcmp(argv[i], "--")) { - /* - * `akpqu` is a string which contains all short options, - * except `-m` which is verified separately. - */ - if ((strlen(argv[i]) == 2) && *argv[i] == '-' && - strchr("akpqu", argv[i][1])) - continue; - - if (!strcmp(argv[i], "--all") || - !strcmp(argv[i], "--keep-index") || - !strcmp(argv[i], "--no-keep-index") || - !strcmp(argv[i], "--patch") || - !strcmp(argv[i], "--quiet") || - !strcmp(argv[i], "--include-untracked")) - continue; - - /* - * `-m` and `--message=` are verified separately because - * they need to be immediately followed by a string - * (i.e.`-m"foobar"` or `--message="foobar"`). - */ - if (starts_with(argv[i], "-m") || - starts_with(argv[i], "--message=")) - continue; - - usage_with_options(git_stash_usage, options); - } - } - - argv_array_push(&args, "push"); - argv_array_pushv(&args, argv); - return !!push_stash(args.argc, args.argv, prefix); + /* Assume 'stash push' */ + strvec_push(&args, "push"); + strvec_pushv(&args, argv); + return !!push_stash(args.nr, args.v, prefix, 1); } diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index f9264c0621..ef2776a9e4 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -19,7 +19,7 @@ #include "diffcore.h" #include "diff.h" #include "object-store.h" -#include "dir.h" +#include "advice.h" #define OPT_QUIET (1 << 0) #define OPT_CACHED (1 << 1) @@ -187,11 +187,13 @@ static char *relative_url(const char *remote_url, out = xstrdup(sb.buf + 2); else out = xstrdup(sb.buf); - strbuf_reset(&sb); - if (!up_path || !is_relative) + if (!up_path || !is_relative) { + strbuf_release(&sb); return out; + } + strbuf_reset(&sb); strbuf_addf(&sb, "%s%s", up_path, out); free(out); return strbuf_detach(&sb, NULL); @@ -293,9 +295,9 @@ static char *compute_rev_name(const char *sub_path, const char* object_id) cp.git_cmd = 1; cp.no_stderr = 1; - argv_array_push(&cp.args, "describe"); - argv_array_pushv(&cp.args, *d); - argv_array_push(&cp.args, object_id); + strvec_push(&cp.args, "describe"); + strvec_pushv(&cp.args, *d); + strvec_push(&cp.args, object_id); if (!capture_command(&cp, &sb, 0)) { strbuf_strip_suffix(&sb, "\n"); @@ -425,7 +427,8 @@ static int module_list(int argc, const char **argv, const char *prefix) const struct cache_entry *ce = list.entries[i]; if (ce_stage(ce)) - printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1)); + printf("%06o %s U\t", ce->ce_mode, + oid_to_hex(null_oid())); else printf("%06o %s %d\t", ce->ce_mode, oid_to_hex(&ce->oid), ce_stage(ce)); @@ -443,19 +446,19 @@ static void for_each_listed_submodule(const struct module_list *list, fn(list->entries[i], cb_data); } -struct cb_foreach { +struct foreach_cb { int argc; const char **argv; const char *prefix; int quiet; int recursive; }; -#define CB_FOREACH_INIT { 0 } +#define FOREACH_CB_INIT { 0 } static void runcommand_in_submodule_cb(const struct cache_entry *list_item, void *cb_data) { - struct cb_foreach *info = cb_data; + struct foreach_cb *info = cb_data; const char *path = list_item->name; const struct object_id *ce_oid = &list_item->oid; @@ -465,7 +468,7 @@ static void runcommand_in_submodule_cb(const struct cache_entry *list_item, displaypath = get_submodule_displaypath(path, info->prefix); - sub = submodule_from_path(the_repository, &null_oid, path); + sub = submodule_from_path(the_repository, null_oid(), path); if (!sub) die(_("No url found for submodule path '%s' in .gitmodules"), @@ -494,12 +497,12 @@ static void runcommand_in_submodule_cb(const struct cache_entry *list_item, char *toplevel = xgetcwd(); struct strbuf sb = STRBUF_INIT; - argv_array_pushf(&cp.env_array, "name=%s", sub->name); - argv_array_pushf(&cp.env_array, "sm_path=%s", path); - argv_array_pushf(&cp.env_array, "displaypath=%s", displaypath); - argv_array_pushf(&cp.env_array, "sha1=%s", - oid_to_hex(ce_oid)); - argv_array_pushf(&cp.env_array, "toplevel=%s", toplevel); + strvec_pushf(&cp.env_array, "name=%s", sub->name); + strvec_pushf(&cp.env_array, "sm_path=%s", path); + strvec_pushf(&cp.env_array, "displaypath=%s", displaypath); + strvec_pushf(&cp.env_array, "sha1=%s", + oid_to_hex(ce_oid)); + strvec_pushf(&cp.env_array, "toplevel=%s", toplevel); /* * Since the path variable was accessible from the script @@ -508,15 +511,15 @@ static void runcommand_in_submodule_cb(const struct cache_entry *list_item, * on windows. And since environment variables are * case-insensitive in windows, it interferes with the * existing PATH variable. Hence, to avoid that, we expose - * path via the args argv_array and not via env_array. + * path via the args strvec and not via env_array. */ sq_quote_buf(&sb, path); - argv_array_pushf(&cp.args, "path=%s; %s", - sb.buf, info->argv[0]); + strvec_pushf(&cp.args, "path=%s; %s", + sb.buf, info->argv[0]); strbuf_release(&sb); free(toplevel); } else { - argv_array_pushv(&cp.args, info->argv); + strvec_pushv(&cp.args, info->argv); } if (!info->quiet) @@ -533,16 +536,16 @@ static void runcommand_in_submodule_cb(const struct cache_entry *list_item, cpr.dir = path; prepare_submodule_repo_env(&cpr.env_array); - argv_array_pushl(&cpr.args, "--super-prefix", NULL); - argv_array_pushf(&cpr.args, "%s/", displaypath); - argv_array_pushl(&cpr.args, "submodule--helper", "foreach", "--recursive", - NULL); + strvec_pushl(&cpr.args, "--super-prefix", NULL); + strvec_pushf(&cpr.args, "%s/", displaypath); + strvec_pushl(&cpr.args, "submodule--helper", "foreach", "--recursive", + NULL); if (info->quiet) - argv_array_push(&cpr.args, "--quiet"); + strvec_push(&cpr.args, "--quiet"); - argv_array_push(&cpr.args, "--"); - argv_array_pushv(&cpr.args, info->argv); + strvec_push(&cpr.args, "--"); + strvec_pushv(&cpr.args, info->argv); if (run_command(&cpr)) die(_("run_command returned non-zero status while " @@ -556,14 +559,14 @@ cleanup: static int module_foreach(int argc, const char **argv, const char *prefix) { - struct cb_foreach info = CB_FOREACH_INIT; + struct foreach_cb info = FOREACH_CB_INIT; struct pathspec pathspec; struct module_list list = MODULE_LIST_INIT; struct option module_foreach_options[] = { - OPT__QUIET(&info.quiet, N_("Suppress output of entering each submodule command")), + OPT__QUIET(&info.quiet, N_("suppress output of entering each submodule command")), OPT_BOOL(0, "recursive", &info.recursive, - N_("Recurse into nested submodules")), + N_("recurse into nested submodules")), OPT_END() }; @@ -611,7 +614,6 @@ struct init_cb { const char *prefix; unsigned int flags; }; - #define INIT_CB_INIT { NULL, 0 } static void init_submodule(const char *path, const char *prefix, @@ -623,7 +625,7 @@ static void init_submodule(const char *path, const char *prefix, displaypath = get_submodule_displaypath(path, prefix); - sub = submodule_from_path(the_repository, &null_oid, path); + sub = submodule_from_path(the_repository, null_oid(), path); if (!sub) die(_("No url found for submodule path '%s' in .gitmodules"), @@ -706,7 +708,7 @@ static int module_init(int argc, const char **argv, const char *prefix) int quiet = 0; struct option module_init_options[] = { - OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")), + OPT__QUIET(&quiet, N_("suppress output for initializing a submodule")), OPT_END() }; @@ -741,7 +743,6 @@ struct status_cb { const char *prefix; unsigned int flags; }; - #define STATUS_CB_INIT { NULL, 0 } static void print_status(unsigned int flags, char state, const char *path, @@ -778,36 +779,47 @@ static void status_submodule(const char *path, const struct object_id *ce_oid, unsigned int flags) { char *displaypath; - struct argv_array diff_files_args = ARGV_ARRAY_INIT; + struct strvec diff_files_args = STRVEC_INIT; struct rev_info rev; int diff_files_result; + struct strbuf buf = STRBUF_INIT; + const char *git_dir; - if (!submodule_from_path(the_repository, &null_oid, path)) + if (!submodule_from_path(the_repository, null_oid(), path)) die(_("no submodule mapping found in .gitmodules for path '%s'"), path); displaypath = get_submodule_displaypath(path, prefix); if ((CE_STAGEMASK & ce_flags) >> CE_STAGESHIFT) { - print_status(flags, 'U', path, &null_oid, displaypath); + print_status(flags, 'U', path, null_oid(), displaypath); goto cleanup; } - if (!is_submodule_active(the_repository, path)) { + strbuf_addf(&buf, "%s/.git", path); + git_dir = read_gitfile(buf.buf); + if (!git_dir) + git_dir = buf.buf; + + if (!is_submodule_active(the_repository, path) || + !is_git_directory(git_dir)) { print_status(flags, '-', path, ce_oid, displaypath); + strbuf_release(&buf); goto cleanup; } + strbuf_release(&buf); - argv_array_pushl(&diff_files_args, "diff-files", - "--ignore-submodules=dirty", "--quiet", "--", - path, NULL); + strvec_pushl(&diff_files_args, "diff-files", + "--ignore-submodules=dirty", "--quiet", "--", + path, NULL); git_config(git_diff_basic_config, NULL); - repo_init_revisions(the_repository, &rev, prefix); + + repo_init_revisions(the_repository, &rev, NULL); rev.abbrev = 0; - diff_files_args.argc = setup_revisions(diff_files_args.argc, - diff_files_args.argv, - &rev, NULL); + diff_files_args.nr = setup_revisions(diff_files_args.nr, + diff_files_args.v, + &rev, NULL); diff_files_result = run_diff_files(&rev, 0); if (!diff_result_code(&rev.diffopt, diff_files_result)) { @@ -837,23 +849,23 @@ static void status_submodule(const char *path, const struct object_id *ce_oid, cpr.dir = path; prepare_submodule_repo_env(&cpr.env_array); - argv_array_push(&cpr.args, "--super-prefix"); - argv_array_pushf(&cpr.args, "%s/", displaypath); - argv_array_pushl(&cpr.args, "submodule--helper", "status", - "--recursive", NULL); + strvec_push(&cpr.args, "--super-prefix"); + strvec_pushf(&cpr.args, "%s/", displaypath); + strvec_pushl(&cpr.args, "submodule--helper", "status", + "--recursive", NULL); if (flags & OPT_CACHED) - argv_array_push(&cpr.args, "--cached"); + strvec_push(&cpr.args, "--cached"); if (flags & OPT_QUIET) - argv_array_push(&cpr.args, "--quiet"); + strvec_push(&cpr.args, "--quiet"); if (run_command(&cpr)) die(_("failed to recurse into submodule '%s'"), path); } cleanup: - argv_array_clear(&diff_files_args); + strvec_clear(&diff_files_args); free(displaypath); } @@ -873,8 +885,8 @@ static int module_status(int argc, const char **argv, const char *prefix) int quiet = 0; struct option module_status_options[] = { - OPT__QUIET(&quiet, N_("Suppress submodule status output")), - OPT_BIT(0, "cached", &info.flags, N_("Use commit stored in the index instead of the one stored in the submodule HEAD"), OPT_CACHED), + OPT__QUIET(&quiet, N_("suppress submodule status output")), + OPT_BIT(0, "cached", &info.flags, N_("use commit stored in the index instead of the one stored in the submodule HEAD"), OPT_CACHED), OPT_BIT(0, "recursive", &info.flags, N_("recurse into nested submodules"), OPT_RECURSIVE), OPT_END() }; @@ -906,7 +918,7 @@ static int module_name(int argc, const char **argv, const char *prefix) if (argc != 2) usage(_("git submodule--helper name <path>")); - sub = submodule_from_path(the_repository, &null_oid, argv[1]); + sub = submodule_from_path(the_repository, null_oid(), argv[1]); if (!sub) die(_("no submodule mapping found in .gitmodules for path '%s'"), @@ -917,11 +929,437 @@ static int module_name(int argc, const char **argv, const char *prefix) return 0; } +struct module_cb { + unsigned int mod_src; + unsigned int mod_dst; + struct object_id oid_src; + struct object_id oid_dst; + char status; + const char *sm_path; +}; +#define MODULE_CB_INIT { 0, 0, NULL, NULL, '\0', NULL } + +struct module_cb_list { + struct module_cb **entries; + int alloc, nr; +}; +#define MODULE_CB_LIST_INIT { NULL, 0, 0 } + +struct summary_cb { + int argc; + const char **argv; + const char *prefix; + unsigned int cached: 1; + unsigned int for_status: 1; + unsigned int files: 1; + int summary_limit; +}; +#define SUMMARY_CB_INIT { 0, NULL, NULL, 0, 0, 0, 0 } + +enum diff_cmd { + DIFF_INDEX, + DIFF_FILES +}; + +static char *verify_submodule_committish(const char *sm_path, + const char *committish) +{ + struct child_process cp_rev_parse = CHILD_PROCESS_INIT; + struct strbuf result = STRBUF_INIT; + + cp_rev_parse.git_cmd = 1; + cp_rev_parse.dir = sm_path; + prepare_submodule_repo_env(&cp_rev_parse.env_array); + strvec_pushl(&cp_rev_parse.args, "rev-parse", "-q", "--short", NULL); + strvec_pushf(&cp_rev_parse.args, "%s^0", committish); + strvec_push(&cp_rev_parse.args, "--"); + + if (capture_command(&cp_rev_parse, &result, 0)) + return NULL; + + strbuf_trim_trailing_newline(&result); + return strbuf_detach(&result, NULL); +} + +static void print_submodule_summary(struct summary_cb *info, char *errmsg, + int total_commits, const char *displaypath, + const char *src_abbrev, const char *dst_abbrev, + struct module_cb *p) +{ + if (p->status == 'T') { + if (S_ISGITLINK(p->mod_dst)) + printf(_("* %s %s(blob)->%s(submodule)"), + displaypath, src_abbrev, dst_abbrev); + else + printf(_("* %s %s(submodule)->%s(blob)"), + displaypath, src_abbrev, dst_abbrev); + } else { + printf("* %s %s...%s", + displaypath, src_abbrev, dst_abbrev); + } + + if (total_commits < 0) + printf(":\n"); + else + printf(" (%d):\n", total_commits); + + if (errmsg) { + printf(_("%s"), errmsg); + } else if (total_commits > 0) { + struct child_process cp_log = CHILD_PROCESS_INIT; + + cp_log.git_cmd = 1; + cp_log.dir = p->sm_path; + prepare_submodule_repo_env(&cp_log.env_array); + strvec_pushl(&cp_log.args, "log", NULL); + + if (S_ISGITLINK(p->mod_src) && S_ISGITLINK(p->mod_dst)) { + if (info->summary_limit > 0) + strvec_pushf(&cp_log.args, "-%d", + info->summary_limit); + + strvec_pushl(&cp_log.args, "--pretty= %m %s", + "--first-parent", NULL); + strvec_pushf(&cp_log.args, "%s...%s", + src_abbrev, dst_abbrev); + } else if (S_ISGITLINK(p->mod_dst)) { + strvec_pushl(&cp_log.args, "--pretty= > %s", + "-1", dst_abbrev, NULL); + } else { + strvec_pushl(&cp_log.args, "--pretty= < %s", + "-1", src_abbrev, NULL); + } + run_command(&cp_log); + } + printf("\n"); +} + +static void generate_submodule_summary(struct summary_cb *info, + struct module_cb *p) +{ + char *displaypath, *src_abbrev = NULL, *dst_abbrev; + int missing_src = 0, missing_dst = 0; + char *errmsg = NULL; + int total_commits = -1; + + if (!info->cached && oideq(&p->oid_dst, null_oid())) { + if (S_ISGITLINK(p->mod_dst)) { + struct ref_store *refs = get_submodule_ref_store(p->sm_path); + if (refs) + refs_head_ref(refs, handle_submodule_head_ref, &p->oid_dst); + } else if (S_ISLNK(p->mod_dst) || S_ISREG(p->mod_dst)) { + struct stat st; + int fd = open(p->sm_path, O_RDONLY); + + if (fd < 0 || fstat(fd, &st) < 0 || + index_fd(&the_index, &p->oid_dst, fd, &st, OBJ_BLOB, + p->sm_path, 0)) + error(_("couldn't hash object from '%s'"), p->sm_path); + } else { + /* for a submodule removal (mode:0000000), don't warn */ + if (p->mod_dst) + warning(_("unexpected mode %o\n"), p->mod_dst); + } + } + + if (S_ISGITLINK(p->mod_src)) { + if (p->status != 'D') + src_abbrev = verify_submodule_committish(p->sm_path, + oid_to_hex(&p->oid_src)); + if (!src_abbrev) { + missing_src = 1; + /* + * As `rev-parse` failed, we fallback to getting + * the abbreviated hash using oid_src. We do + * this as we might still need the abbreviated + * hash in cases like a submodule type change, etc. + */ + src_abbrev = xstrndup(oid_to_hex(&p->oid_src), 7); + } + } else { + /* + * The source does not point to a submodule. + * So, we fallback to getting the abbreviation using + * oid_src as we might still need the abbreviated + * hash in cases like submodule add, etc. + */ + src_abbrev = xstrndup(oid_to_hex(&p->oid_src), 7); + } + + if (S_ISGITLINK(p->mod_dst)) { + dst_abbrev = verify_submodule_committish(p->sm_path, + oid_to_hex(&p->oid_dst)); + if (!dst_abbrev) { + missing_dst = 1; + /* + * As `rev-parse` failed, we fallback to getting + * the abbreviated hash using oid_dst. We do + * this as we might still need the abbreviated + * hash in cases like a submodule type change, etc. + */ + dst_abbrev = xstrndup(oid_to_hex(&p->oid_dst), 7); + } + } else { + /* + * The destination does not point to a submodule. + * So, we fallback to getting the abbreviation using + * oid_dst as we might still need the abbreviated + * hash in cases like a submodule removal, etc. + */ + dst_abbrev = xstrndup(oid_to_hex(&p->oid_dst), 7); + } + + displaypath = get_submodule_displaypath(p->sm_path, info->prefix); + + if (!missing_src && !missing_dst) { + struct child_process cp_rev_list = CHILD_PROCESS_INIT; + struct strbuf sb_rev_list = STRBUF_INIT; + + strvec_pushl(&cp_rev_list.args, "rev-list", + "--first-parent", "--count", NULL); + if (S_ISGITLINK(p->mod_src) && S_ISGITLINK(p->mod_dst)) + strvec_pushf(&cp_rev_list.args, "%s...%s", + src_abbrev, dst_abbrev); + else + strvec_push(&cp_rev_list.args, S_ISGITLINK(p->mod_src) ? + src_abbrev : dst_abbrev); + strvec_push(&cp_rev_list.args, "--"); + + cp_rev_list.git_cmd = 1; + cp_rev_list.dir = p->sm_path; + prepare_submodule_repo_env(&cp_rev_list.env_array); + + if (!capture_command(&cp_rev_list, &sb_rev_list, 0)) + total_commits = atoi(sb_rev_list.buf); + + strbuf_release(&sb_rev_list); + } else { + /* + * Don't give error msg for modification whose dst is not + * submodule, i.e., deleted or changed to blob + */ + if (S_ISGITLINK(p->mod_dst)) { + struct strbuf errmsg_str = STRBUF_INIT; + if (missing_src && missing_dst) { + strbuf_addf(&errmsg_str, " Warn: %s doesn't contain commits %s and %s\n", + displaypath, oid_to_hex(&p->oid_src), + oid_to_hex(&p->oid_dst)); + } else { + strbuf_addf(&errmsg_str, " Warn: %s doesn't contain commit %s\n", + displaypath, missing_src ? + oid_to_hex(&p->oid_src) : + oid_to_hex(&p->oid_dst)); + } + errmsg = strbuf_detach(&errmsg_str, NULL); + } + } + + print_submodule_summary(info, errmsg, total_commits, + displaypath, src_abbrev, + dst_abbrev, p); + + free(displaypath); + free(src_abbrev); + free(dst_abbrev); +} + +static void prepare_submodule_summary(struct summary_cb *info, + struct module_cb_list *list) +{ + int i; + for (i = 0; i < list->nr; i++) { + const struct submodule *sub; + struct module_cb *p = list->entries[i]; + struct strbuf sm_gitdir = STRBUF_INIT; + + if (p->status == 'D' || p->status == 'T') { + generate_submodule_summary(info, p); + continue; + } + + if (info->for_status && p->status != 'A' && + (sub = submodule_from_path(the_repository, + null_oid(), p->sm_path))) { + char *config_key = NULL; + const char *value; + int ignore_all = 0; + + config_key = xstrfmt("submodule.%s.ignore", + sub->name); + if (!git_config_get_string_tmp(config_key, &value)) + ignore_all = !strcmp(value, "all"); + else if (sub->ignore) + ignore_all = !strcmp(sub->ignore, "all"); + + free(config_key); + if (ignore_all) + continue; + } + + /* Also show added or modified modules which are checked out */ + strbuf_addstr(&sm_gitdir, p->sm_path); + if (is_nonbare_repository_dir(&sm_gitdir)) + generate_submodule_summary(info, p); + strbuf_release(&sm_gitdir); + } +} + +static void submodule_summary_callback(struct diff_queue_struct *q, + struct diff_options *options, + void *data) +{ + int i; + struct module_cb_list *list = data; + for (i = 0; i < q->nr; i++) { + struct diff_filepair *p = q->queue[i]; + struct module_cb *temp; + + if (!S_ISGITLINK(p->one->mode) && !S_ISGITLINK(p->two->mode)) + continue; + temp = (struct module_cb*)malloc(sizeof(struct module_cb)); + temp->mod_src = p->one->mode; + temp->mod_dst = p->two->mode; + temp->oid_src = p->one->oid; + temp->oid_dst = p->two->oid; + temp->status = p->status; + temp->sm_path = xstrdup(p->one->path); + + ALLOC_GROW(list->entries, list->nr + 1, list->alloc); + list->entries[list->nr++] = temp; + } +} + +static const char *get_diff_cmd(enum diff_cmd diff_cmd) +{ + switch (diff_cmd) { + case DIFF_INDEX: return "diff-index"; + case DIFF_FILES: return "diff-files"; + default: BUG("bad diff_cmd value %d", diff_cmd); + } +} + +static int compute_summary_module_list(struct object_id *head_oid, + struct summary_cb *info, + enum diff_cmd diff_cmd) +{ + struct strvec diff_args = STRVEC_INIT; + struct rev_info rev; + struct module_cb_list list = MODULE_CB_LIST_INIT; + + strvec_push(&diff_args, get_diff_cmd(diff_cmd)); + if (info->cached) + strvec_push(&diff_args, "--cached"); + strvec_pushl(&diff_args, "--ignore-submodules=dirty", "--raw", NULL); + if (head_oid) + strvec_push(&diff_args, oid_to_hex(head_oid)); + strvec_push(&diff_args, "--"); + if (info->argc) + strvec_pushv(&diff_args, info->argv); + + git_config(git_diff_basic_config, NULL); + init_revisions(&rev, info->prefix); + rev.abbrev = 0; + precompose_argv_prefix(diff_args.nr, diff_args.v, NULL); + setup_revisions(diff_args.nr, diff_args.v, &rev, NULL); + rev.diffopt.output_format = DIFF_FORMAT_NO_OUTPUT | DIFF_FORMAT_CALLBACK; + rev.diffopt.format_callback = submodule_summary_callback; + rev.diffopt.format_callback_data = &list; + + if (!info->cached) { + if (diff_cmd == DIFF_INDEX) + setup_work_tree(); + if (read_cache_preload(&rev.diffopt.pathspec) < 0) { + perror("read_cache_preload"); + return -1; + } + } else if (read_cache() < 0) { + perror("read_cache"); + return -1; + } + + if (diff_cmd == DIFF_INDEX) + run_diff_index(&rev, info->cached); + else + run_diff_files(&rev, 0); + prepare_submodule_summary(info, &list); + strvec_clear(&diff_args); + return 0; +} + +static int module_summary(int argc, const char **argv, const char *prefix) +{ + struct summary_cb info = SUMMARY_CB_INIT; + int cached = 0; + int for_status = 0; + int files = 0; + int summary_limit = -1; + enum diff_cmd diff_cmd = DIFF_INDEX; + struct object_id head_oid; + int ret; + + struct option module_summary_options[] = { + OPT_BOOL(0, "cached", &cached, + N_("use the commit stored in the index instead of the submodule HEAD")), + OPT_BOOL(0, "files", &files, + N_("compare the commit in the index with that in the submodule HEAD")), + OPT_BOOL(0, "for-status", &for_status, + N_("skip submodules with 'ignore_config' value set to 'all'")), + OPT_INTEGER('n', "summary-limit", &summary_limit, + N_("limit the summary size")), + OPT_END() + }; + + const char *const git_submodule_helper_usage[] = { + N_("git submodule--helper summary [<options>] [<commit>] [--] [<path>]"), + NULL + }; + + argc = parse_options(argc, argv, prefix, module_summary_options, + git_submodule_helper_usage, 0); + + if (!summary_limit) + return 0; + + if (!get_oid(argc ? argv[0] : "HEAD", &head_oid)) { + if (argc) { + argv++; + argc--; + } + } else if (!argc || !strcmp(argv[0], "HEAD")) { + /* before the first commit: compare with an empty tree */ + oidcpy(&head_oid, the_hash_algo->empty_tree); + if (argc) { + argv++; + argc--; + } + } else { + if (get_oid("HEAD", &head_oid)) + die(_("could not fetch a revision for HEAD")); + } + + if (files) { + if (cached) + die(_("--cached and --files are mutually exclusive")); + diff_cmd = DIFF_FILES; + } + + info.argc = argc; + info.argv = argv; + info.prefix = prefix; + info.cached = !!cached; + info.files = !!files; + info.for_status = !!for_status; + info.summary_limit = summary_limit; + + ret = compute_summary_module_list((diff_cmd == DIFF_INDEX) ? &head_oid : NULL, + &info, diff_cmd); + return ret; +} + struct sync_cb { const char *prefix; unsigned int flags; }; - #define SYNC_CB_INIT { NULL, 0 } static void sync_submodule(const char *path, const char *prefix, @@ -937,7 +1375,7 @@ static void sync_submodule(const char *path, const char *prefix, if (!is_submodule_active(the_repository, path)) return; - sub = submodule_from_path(the_repository, &null_oid, path); + sub = submodule_from_path(the_repository, null_oid(), path); if (sub && sub->url) { if (starts_with_dot_dot_slash(sub->url) || @@ -983,8 +1421,8 @@ static void sync_submodule(const char *path, const char *prefix, prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; cp.dir = path; - argv_array_pushl(&cp.args, "submodule--helper", - "print-default-remote", NULL); + strvec_pushl(&cp.args, "submodule--helper", + "print-default-remote", NULL); strbuf_reset(&sb); if (capture_command(&cp, &sb, 0)) @@ -1009,13 +1447,13 @@ static void sync_submodule(const char *path, const char *prefix, cpr.dir = path; prepare_submodule_repo_env(&cpr.env_array); - argv_array_push(&cpr.args, "--super-prefix"); - argv_array_pushf(&cpr.args, "%s/", displaypath); - argv_array_pushl(&cpr.args, "submodule--helper", "sync", - "--recursive", NULL); + strvec_push(&cpr.args, "--super-prefix"); + strvec_pushf(&cpr.args, "%s/", displaypath); + strvec_pushl(&cpr.args, "submodule--helper", "sync", + "--recursive", NULL); if (flags & OPT_QUIET) - argv_array_push(&cpr.args, "--quiet"); + strvec_push(&cpr.args, "--quiet"); if (run_command(&cpr)) die(_("failed to recurse into submodule '%s'"), @@ -1046,9 +1484,9 @@ static int module_sync(int argc, const char **argv, const char *prefix) int recursive = 0; struct option module_sync_options[] = { - OPT__QUIET(&quiet, N_("Suppress output of synchronizing submodule url")), + OPT__QUIET(&quiet, N_("suppress output of synchronizing submodule url")), OPT_BOOL(0, "recursive", &recursive, - N_("Recurse into nested submodules")), + N_("recurse into nested submodules")), OPT_END() }; @@ -1089,7 +1527,7 @@ static void deinit_submodule(const char *path, const char *prefix, struct strbuf sb_config = STRBUF_INIT; char *sub_git_dir = xstrfmt("%s/.git", path); - sub = submodule_from_path(the_repository, &null_oid, path); + sub = submodule_from_path(the_repository, null_oid(), path); if (!sub || !sub->name) goto cleanup; @@ -1115,8 +1553,8 @@ static void deinit_submodule(const char *path, const char *prefix, if (!(flags & OPT_FORCE)) { struct child_process cp_rm = CHILD_PROCESS_INIT; cp_rm.git_cmd = 1; - argv_array_pushl(&cp_rm.args, "rm", "-qn", - path, NULL); + strvec_pushl(&cp_rm.args, "rm", "-qn", + path, NULL); if (run_command(&cp_rm)) die(_("Submodule work tree '%s' contains local " @@ -1144,8 +1582,8 @@ static void deinit_submodule(const char *path, const char *prefix, displaypath); cp_config.git_cmd = 1; - argv_array_pushl(&cp_config.args, "config", "--get-regexp", NULL); - argv_array_pushf(&cp_config.args, "submodule.%s\\.", sub->name); + strvec_pushl(&cp_config.args, "config", "--get-regexp", NULL); + strvec_pushf(&cp_config.args, "submodule.%s\\.", sub->name); /* remove the .git/config entries (unless the user already did it) */ if (!capture_command(&cp_config, &sb_config, 0) && sb_config.len) { @@ -1184,9 +1622,9 @@ static int module_deinit(int argc, const char **argv, const char *prefix) int all = 0; struct option module_deinit_options[] = { - OPT__QUIET(&quiet, N_("Suppress submodule status output")), - OPT__FORCE(&force, N_("Remove submodule working trees even if they contain local changes"), 0), - OPT_BOOL(0, "all", &all, N_("Unregister all submodules")), + OPT__QUIET(&quiet, N_("suppress submodule status output")), + OPT__FORCE(&force, N_("remove submodule working trees even if they contain local changes"), 0), + OPT_BOOL(0, "all", &all, N_("unregister all submodules")), OPT_END() }; @@ -1221,41 +1659,20 @@ static int module_deinit(int argc, const char **argv, const char *prefix) return 0; } -static int clone_submodule(const char *path, const char *gitdir, const char *url, - const char *depth, struct string_list *reference, int dissociate, - int quiet, int progress) -{ - struct child_process cp = CHILD_PROCESS_INIT; - - argv_array_push(&cp.args, "clone"); - argv_array_push(&cp.args, "--no-checkout"); - if (quiet) - argv_array_push(&cp.args, "--quiet"); - if (progress) - argv_array_push(&cp.args, "--progress"); - if (depth && *depth) - argv_array_pushl(&cp.args, "--depth", depth, NULL); - if (reference->nr) { - struct string_list_item *item; - for_each_string_list_item(item, reference) - argv_array_pushl(&cp.args, "--reference", - item->string, NULL); - } - if (dissociate) - argv_array_push(&cp.args, "--dissociate"); - if (gitdir && *gitdir) - argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL); - - argv_array_push(&cp.args, "--"); - argv_array_push(&cp.args, url); - argv_array_push(&cp.args, path); - - cp.git_cmd = 1; - prepare_submodule_repo_env(&cp.env_array); - cp.no_stdin = 1; - - return run_command(&cp); -} +struct module_clone_data { + const char *prefix; + const char *path; + const char *name; + const char *url; + const char *depth; + struct string_list reference; + unsigned int quiet: 1; + unsigned int progress: 1; + unsigned int dissociate: 1; + unsigned int require_init: 1; + int single_branch; +}; +#define MODULE_CLONE_DATA_INIT { .reference = STRING_LIST_INIT_NODUP, .single_branch = -1 } struct submodule_alternate_setup { const char *submodule_name; @@ -1269,6 +1686,13 @@ struct submodule_alternate_setup { #define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \ SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL } +static const char alternate_error_advice[] = N_( +"An alternate computed from a superproject's alternate is invalid.\n" +"To allow Git to clone without an alternate in such a case, set\n" +"submodule.alternateErrorStrategy to 'info' or, equivalently, clone with\n" +"'--reference-if-able' instead of '--reference'." +); + static int add_possible_reference_from_superproject( struct object_directory *odb, void *sas_cb) { @@ -1300,6 +1724,8 @@ static int add_possible_reference_from_superproject( } else { switch (sas->error_mode) { case SUBMODULE_ALTERNATE_ERROR_DIE: + if (advice_submodule_alternate_error_strategy_die) + advise(_(alternate_error_advice)); die(_("submodule '%s' cannot add alternate: %s"), sas->submodule_name, err.buf); case SUBMODULE_ALTERNATE_ERROR_INFO: @@ -1352,36 +1778,128 @@ static void prepare_possible_alternates(const char *sm_name, free(error_strategy); } -static int module_clone(int argc, const char **argv, const char *prefix) +static int clone_submodule(struct module_clone_data *clone_data) { - const char *name = NULL, *url = NULL, *depth = NULL; - int quiet = 0; - int progress = 0; - char *p, *path = NULL, *sm_gitdir; - struct strbuf sb = STRBUF_INIT; - struct string_list reference = STRING_LIST_INIT_NODUP; - int dissociate = 0, require_init = 0; + char *p, *sm_gitdir; char *sm_alternate = NULL, *error_strategy = NULL; + struct strbuf sb = STRBUF_INIT; + struct child_process cp = CHILD_PROCESS_INIT; + + strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), clone_data->name); + sm_gitdir = absolute_pathdup(sb.buf); + strbuf_reset(&sb); + + if (!is_absolute_path(clone_data->path)) { + strbuf_addf(&sb, "%s/%s", get_git_work_tree(), clone_data->path); + clone_data->path = strbuf_detach(&sb, NULL); + } else { + clone_data->path = xstrdup(clone_data->path); + } + + if (validate_submodule_git_dir(sm_gitdir, clone_data->name) < 0) + die(_("refusing to create/use '%s' in another submodule's " + "git dir"), sm_gitdir); + + if (!file_exists(sm_gitdir)) { + if (safe_create_leading_directories_const(sm_gitdir) < 0) + die(_("could not create directory '%s'"), sm_gitdir); + + prepare_possible_alternates(clone_data->name, &clone_data->reference); + + strvec_push(&cp.args, "clone"); + strvec_push(&cp.args, "--no-checkout"); + if (clone_data->quiet) + strvec_push(&cp.args, "--quiet"); + if (clone_data->progress) + strvec_push(&cp.args, "--progress"); + if (clone_data->depth && *(clone_data->depth)) + strvec_pushl(&cp.args, "--depth", clone_data->depth, NULL); + if (clone_data->reference.nr) { + struct string_list_item *item; + for_each_string_list_item(item, &clone_data->reference) + strvec_pushl(&cp.args, "--reference", + item->string, NULL); + } + if (clone_data->dissociate) + strvec_push(&cp.args, "--dissociate"); + if (sm_gitdir && *sm_gitdir) + strvec_pushl(&cp.args, "--separate-git-dir", sm_gitdir, NULL); + if (clone_data->single_branch >= 0) + strvec_push(&cp.args, clone_data->single_branch ? + "--single-branch" : + "--no-single-branch"); + + strvec_push(&cp.args, "--"); + strvec_push(&cp.args, clone_data->url); + strvec_push(&cp.args, clone_data->path); + + cp.git_cmd = 1; + prepare_submodule_repo_env(&cp.env_array); + cp.no_stdin = 1; + + if(run_command(&cp)) + die(_("clone of '%s' into submodule path '%s' failed"), + clone_data->url, clone_data->path); + } else { + if (clone_data->require_init && !access(clone_data->path, X_OK) && + !is_empty_dir(clone_data->path)) + die(_("directory not empty: '%s'"), clone_data->path); + if (safe_create_leading_directories_const(clone_data->path) < 0) + die(_("could not create directory '%s'"), clone_data->path); + strbuf_addf(&sb, "%s/index", sm_gitdir); + unlink_or_warn(sb.buf); + strbuf_reset(&sb); + } + + connect_work_tree_and_git_dir(clone_data->path, sm_gitdir, 0); + + p = git_pathdup_submodule(clone_data->path, "config"); + if (!p) + die(_("could not get submodule directory for '%s'"), clone_data->path); + + /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */ + git_config_get_string("submodule.alternateLocation", &sm_alternate); + if (sm_alternate) + git_config_set_in_file(p, "submodule.alternateLocation", + sm_alternate); + git_config_get_string("submodule.alternateErrorStrategy", &error_strategy); + if (error_strategy) + git_config_set_in_file(p, "submodule.alternateErrorStrategy", + error_strategy); + + free(sm_alternate); + free(error_strategy); + + strbuf_release(&sb); + free(sm_gitdir); + free(p); + return 0; +} + +static int module_clone(int argc, const char **argv, const char *prefix) +{ + int dissociate = 0, quiet = 0, progress = 0, require_init = 0; + struct module_clone_data clone_data = MODULE_CLONE_DATA_INIT; struct option module_clone_options[] = { - OPT_STRING(0, "prefix", &prefix, + OPT_STRING(0, "prefix", &clone_data.prefix, N_("path"), N_("alternative anchor for relative paths")), - OPT_STRING(0, "path", &path, + OPT_STRING(0, "path", &clone_data.path, N_("path"), N_("where the new submodule will be cloned to")), - OPT_STRING(0, "name", &name, + OPT_STRING(0, "name", &clone_data.name, N_("string"), N_("name of the new submodule")), - OPT_STRING(0, "url", &url, + OPT_STRING(0, "url", &clone_data.url, N_("string"), N_("url where to clone the submodule from")), - OPT_STRING_LIST(0, "reference", &reference, + OPT_STRING_LIST(0, "reference", &clone_data.reference, N_("repo"), N_("reference repository")), OPT_BOOL(0, "dissociate", &dissociate, N_("use --reference only while cloning")), - OPT_STRING(0, "depth", &depth, + OPT_STRING(0, "depth", &clone_data.depth, N_("string"), N_("depth for shallow clones")), OPT__QUIET(&quiet, "Suppress output for cloning a submodule"), @@ -1389,12 +1907,15 @@ static int module_clone(int argc, const char **argv, const char *prefix) N_("force cloning progress")), OPT_BOOL(0, "require-init", &require_init, N_("disallow cloning into non-empty directory")), + OPT_BOOL(0, "single-branch", &clone_data.single_branch, + N_("clone only one branch, HEAD or --branch")), OPT_END() }; const char *const git_submodule_helper_usage[] = { N_("git submodule--helper clone [--prefix=<path>] [--quiet] " "[--reference <repository>] [--name <name>] [--depth <depth>] " + "[--single-branch] " "--url <url> --path <path>"), NULL }; @@ -1402,67 +1923,16 @@ static int module_clone(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, module_clone_options, git_submodule_helper_usage, 0); - if (argc || !url || !path || !*path) + clone_data.dissociate = !!dissociate; + clone_data.quiet = !!quiet; + clone_data.progress = !!progress; + clone_data.require_init = !!require_init; + + if (argc || !clone_data.url || !clone_data.path || !*(clone_data.path)) usage_with_options(git_submodule_helper_usage, module_clone_options); - strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name); - sm_gitdir = absolute_pathdup(sb.buf); - strbuf_reset(&sb); - - if (!is_absolute_path(path)) { - strbuf_addf(&sb, "%s/%s", get_git_work_tree(), path); - path = strbuf_detach(&sb, NULL); - } else - path = xstrdup(path); - - if (validate_submodule_git_dir(sm_gitdir, name) < 0) - die(_("refusing to create/use '%s' in another submodule's " - "git dir"), sm_gitdir); - - if (!file_exists(sm_gitdir)) { - if (safe_create_leading_directories_const(sm_gitdir) < 0) - die(_("could not create directory '%s'"), sm_gitdir); - - prepare_possible_alternates(name, &reference); - - if (clone_submodule(path, sm_gitdir, url, depth, &reference, dissociate, - quiet, progress)) - die(_("clone of '%s' into submodule path '%s' failed"), - url, path); - } else { - if (require_init && !access(path, X_OK) && !is_empty_dir(path)) - die(_("directory not empty: '%s'"), path); - if (safe_create_leading_directories_const(path) < 0) - die(_("could not create directory '%s'"), path); - strbuf_addf(&sb, "%s/index", sm_gitdir); - unlink_or_warn(sb.buf); - strbuf_reset(&sb); - } - - connect_work_tree_and_git_dir(path, sm_gitdir, 0); - - p = git_pathdup_submodule(path, "config"); - if (!p) - die(_("could not get submodule directory for '%s'"), path); - - /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */ - git_config_get_string("submodule.alternateLocation", &sm_alternate); - if (sm_alternate) - git_config_set_in_file(p, "submodule.alternateLocation", - sm_alternate); - git_config_get_string("submodule.alternateErrorStrategy", &error_strategy); - if (error_strategy) - git_config_set_in_file(p, "submodule.alternateErrorStrategy", - error_strategy); - - free(sm_alternate); - free(error_strategy); - - strbuf_release(&sb); - free(sm_gitdir); - free(path); - free(p); + clone_submodule(&clone_data); return 0; } @@ -1472,7 +1942,7 @@ static void determine_submodule_update_strategy(struct repository *r, const char *update, struct submodule_update_strategy *out) { - const struct submodule *sub = submodule_from_path(r, &null_oid, path); + const struct submodule *sub = submodule_from_path(r, null_oid(), path); char *key; const char *val; @@ -1482,7 +1952,7 @@ static void determine_submodule_update_strategy(struct repository *r, if (parse_submodule_update_strategy(update, out) < 0) die(_("Invalid update mode '%s' for submodule path '%s'"), update, path); - } else if (!repo_config_get_string_const(r, key, &val)) { + } else if (!repo_config_get_string_tmp(r, key, &val)) { if (parse_submodule_update_strategy(val, out) < 0) die(_("Invalid update mode '%s' configured for submodule path '%s'"), val, path); @@ -1551,6 +2021,7 @@ struct submodule_update_clone { const char *depth; const char *recursive_prefix; const char *prefix; + int single_branch; /* to be consumed by git-submodule.sh */ struct update_clone_data *update_clone; @@ -1565,10 +2036,14 @@ struct submodule_update_clone { int max_jobs; }; -#define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \ - SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, 0, 0, \ - NULL, NULL, NULL, \ - NULL, 0, 0, 0, NULL, 0, 0, 1} +#define SUBMODULE_UPDATE_CLONE_INIT { \ + .list = MODULE_LIST_INIT, \ + .update = SUBMODULE_UPDATE_STRATEGY_INIT, \ + .recommend_shallow = -1, \ + .references = STRING_LIST_INIT_DUP, \ + .single_branch = -1, \ + .max_jobs = 1, \ +} static void next_submodule_warn_missing(struct submodule_update_clone *suc, @@ -1619,7 +2094,7 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, goto cleanup; } - sub = submodule_from_path(the_repository, &null_oid, ce->name); + sub = submodule_from_path(the_repository, null_oid(), ce->name); if (suc->recursive_prefix) displaypath = relative_path(suc->recursive_prefix, @@ -1633,7 +2108,7 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, } key = xstrfmt("submodule.%s.update", sub->name); - if (!repo_config_get_string_const(the_repository, key, &update_string)) { + if (!repo_config_get_string_tmp(the_repository, key, &update_string)) { update_type = parse_submodule_update_type(update_string); } else { update_type = sub->update_strategy.type; @@ -1656,7 +2131,7 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, strbuf_reset(&sb); strbuf_addf(&sb, "submodule.%s.url", sub->name); - if (repo_config_get_string_const(the_repository, sb.buf, &url)) { + if (repo_config_get_string_tmp(the_repository, sb.buf, &url)) { if (starts_with_dot_slash(sub->url) || starts_with_dot_dot_slash(sub->url)) { url = compute_submodule_clone_url(sub->url); @@ -1683,34 +2158,38 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce, child->no_stdin = 1; child->stdout_to_stderr = 1; child->err = -1; - argv_array_push(&child->args, "submodule--helper"); - argv_array_push(&child->args, "clone"); + strvec_push(&child->args, "submodule--helper"); + strvec_push(&child->args, "clone"); if (suc->progress) - argv_array_push(&child->args, "--progress"); + strvec_push(&child->args, "--progress"); if (suc->quiet) - argv_array_push(&child->args, "--quiet"); + strvec_push(&child->args, "--quiet"); if (suc->prefix) - argv_array_pushl(&child->args, "--prefix", suc->prefix, NULL); + strvec_pushl(&child->args, "--prefix", suc->prefix, NULL); if (suc->recommend_shallow && sub->recommend_shallow == 1) - argv_array_push(&child->args, "--depth=1"); + strvec_push(&child->args, "--depth=1"); if (suc->require_init) - argv_array_push(&child->args, "--require-init"); - argv_array_pushl(&child->args, "--path", sub->path, NULL); - argv_array_pushl(&child->args, "--name", sub->name, NULL); - argv_array_pushl(&child->args, "--url", url, NULL); + strvec_push(&child->args, "--require-init"); + strvec_pushl(&child->args, "--path", sub->path, NULL); + strvec_pushl(&child->args, "--name", sub->name, NULL); + strvec_pushl(&child->args, "--url", url, NULL); if (suc->references.nr) { struct string_list_item *item; for_each_string_list_item(item, &suc->references) - argv_array_pushl(&child->args, "--reference", item->string, NULL); + strvec_pushl(&child->args, "--reference", item->string, NULL); } if (suc->dissociate) - argv_array_push(&child->args, "--dissociate"); + strvec_push(&child->args, "--dissociate"); if (suc->depth) - argv_array_push(&child->args, suc->depth); + strvec_push(&child->args, suc->depth); + if (suc->single_branch >= 0) + strvec_push(&child->args, suc->single_branch ? + "--single-branch" : + "--no-single-branch"); cleanup: - strbuf_reset(&displaypath_sb); - strbuf_reset(&sb); + strbuf_release(&displaypath_sb); + strbuf_release(&sb); if (need_free_url) free((void*)url); @@ -1875,7 +2354,7 @@ static int update_clone(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "dissociate", &suc.dissociate, N_("use --reference only while cloning")), OPT_STRING(0, "depth", &suc.depth, "<depth>", - N_("Create a shallow clone truncated to the " + N_("create a shallow clone truncated to the " "specified number of revisions")), OPT_INTEGER('j', "jobs", &suc.max_jobs, N_("parallel jobs")), @@ -1886,11 +2365,13 @@ static int update_clone(int argc, const char **argv, const char *prefix) N_("force cloning progress")), OPT_BOOL(0, "require-init", &suc.require_init, N_("disallow cloning into non-empty directory")), + OPT_BOOL(0, "single-branch", &suc.single_branch, + N_("clone only one branch, HEAD or --branch")), OPT_END() }; const char *const git_submodule_helper_usage[] = { - N_("git submodule--helper update_clone [--prefix=<path>] [<path>...]"), + N_("git submodule--helper update-clone [--prefix=<path>] [<path>...]"), NULL }; suc.prefix = prefix; @@ -1931,17 +2412,17 @@ static const char *remote_submodule_branch(const char *path) const char *branch = NULL; char *key; - sub = submodule_from_path(the_repository, &null_oid, path); + sub = submodule_from_path(the_repository, null_oid(), path); if (!sub) return NULL; key = xstrfmt("submodule.%s.branch", sub->name); - if (repo_config_get_string_const(the_repository, key, &branch)) + if (repo_config_get_string_tmp(the_repository, key, &branch)) branch = sub->branch; free(key); if (!branch) - return "master"; + return "HEAD"; if (!strcmp(branch, ".")) { const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, NULL); @@ -2061,7 +2542,7 @@ static int ensure_core_worktree(int argc, const char **argv, const char *prefix) { const struct submodule *sub; const char *path; - char *cw; + const char *cw; struct repository subrepo; if (argc != 2) @@ -2069,14 +2550,14 @@ static int ensure_core_worktree(int argc, const char **argv, const char *prefix) path = argv[1]; - sub = submodule_from_path(the_repository, &null_oid, path); + sub = submodule_from_path(the_repository, null_oid(), path); if (!sub) BUG("We could get the submodule handle before?"); if (repo_submodule_init(&subrepo, the_repository, sub)) die(_("could not get a repository handle for submodule '%s'"), path); - if (!repo_config_get_string(&subrepo, "core.worktree", &cw)) { + if (!repo_config_get_string_tmp(&subrepo, "core.worktree", &cw)) { char *cfg_file, *abs_path; const char *rel_path; struct strbuf sb = STRBUF_INIT; @@ -2124,8 +2605,7 @@ static int absorb_git_dirs(int argc, const char **argv, const char *prefix) return 1; for (i = 0; i < list.nr; i++) - absorb_git_dir_into_superproject(prefix, - list.entries[i]->name, flags); + absorb_git_dir_into_superproject(list.entries[i]->name, flags); return 0; } @@ -2207,6 +2687,255 @@ static int module_config(int argc, const char **argv, const char *prefix) usage_with_options(git_submodule_helper_usage, module_config_options); } +static int module_set_url(int argc, const char **argv, const char *prefix) +{ + int quiet = 0; + const char *newurl; + const char *path; + char *config_name; + + struct option options[] = { + OPT__QUIET(&quiet, N_("suppress output for setting url of a submodule")), + OPT_END() + }; + const char *const usage[] = { + N_("git submodule--helper set-url [--quiet] <path> <newurl>"), + NULL + }; + + argc = parse_options(argc, argv, prefix, options, usage, 0); + + if (argc != 2 || !(path = argv[0]) || !(newurl = argv[1])) + usage_with_options(usage, options); + + config_name = xstrfmt("submodule.%s.url", path); + + config_set_in_gitmodules_file_gently(config_name, newurl); + sync_submodule(path, prefix, quiet ? OPT_QUIET : 0); + + free(config_name); + + return 0; +} + +static int module_set_branch(int argc, const char **argv, const char *prefix) +{ + int opt_default = 0, ret; + const char *opt_branch = NULL; + const char *path; + char *config_name; + + /* + * We accept the `quiet` option for uniformity across subcommands, + * though there is nothing to make less verbose in this subcommand. + */ + struct option options[] = { + OPT_NOOP_NOARG('q', "quiet"), + OPT_BOOL('d', "default", &opt_default, + N_("set the default tracking branch to master")), + OPT_STRING('b', "branch", &opt_branch, N_("branch"), + N_("set the default tracking branch")), + OPT_END() + }; + const char *const usage[] = { + N_("git submodule--helper set-branch [-q|--quiet] (-d|--default) <path>"), + N_("git submodule--helper set-branch [-q|--quiet] (-b|--branch) <branch> <path>"), + NULL + }; + + argc = parse_options(argc, argv, prefix, options, usage, 0); + + if (!opt_branch && !opt_default) + die(_("--branch or --default required")); + + if (opt_branch && opt_default) + die(_("--branch and --default are mutually exclusive")); + + if (argc != 1 || !(path = argv[0])) + usage_with_options(usage, options); + + config_name = xstrfmt("submodule.%s.branch", path); + ret = config_set_in_gitmodules_file_gently(config_name, opt_branch); + + free(config_name); + return !!ret; +} + +struct add_data { + const char *prefix; + const char *branch; + const char *reference_path; + const char *sm_path; + const char *sm_name; + const char *repo; + const char *realrepo; + int depth; + unsigned int force: 1; + unsigned int quiet: 1; + unsigned int progress: 1; + unsigned int dissociate: 1; +}; +#define ADD_DATA_INIT { .depth = -1 } + +static void show_fetch_remotes(FILE *output, const char *git_dir_path) +{ + struct child_process cp_remote = CHILD_PROCESS_INIT; + struct strbuf sb_remote_out = STRBUF_INIT; + + cp_remote.git_cmd = 1; + strvec_pushf(&cp_remote.env_array, + "GIT_DIR=%s", git_dir_path); + strvec_push(&cp_remote.env_array, "GIT_WORK_TREE=."); + strvec_pushl(&cp_remote.args, "remote", "-v", NULL); + if (!capture_command(&cp_remote, &sb_remote_out, 0)) { + char *next_line; + char *line = sb_remote_out.buf; + while ((next_line = strchr(line, '\n')) != NULL) { + size_t len = next_line - line; + if (strip_suffix_mem(line, &len, " (fetch)")) + fprintf(output, " %.*s\n", (int)len, line); + line = next_line + 1; + } + } + + strbuf_release(&sb_remote_out); +} + +static int add_submodule(const struct add_data *add_data) +{ + char *submod_gitdir_path; + struct module_clone_data clone_data = MODULE_CLONE_DATA_INIT; + + /* perhaps the path already exists and is already a git repo, else clone it */ + if (is_directory(add_data->sm_path)) { + struct strbuf sm_path = STRBUF_INIT; + strbuf_addstr(&sm_path, add_data->sm_path); + submod_gitdir_path = xstrfmt("%s/.git", add_data->sm_path); + if (is_nonbare_repository_dir(&sm_path)) + printf(_("Adding existing repo at '%s' to the index\n"), + add_data->sm_path); + else + die(_("'%s' already exists and is not a valid git repo"), + add_data->sm_path); + strbuf_release(&sm_path); + free(submod_gitdir_path); + } else { + struct child_process cp = CHILD_PROCESS_INIT; + submod_gitdir_path = xstrfmt(".git/modules/%s", add_data->sm_name); + + if (is_directory(submod_gitdir_path)) { + if (!add_data->force) { + fprintf(stderr, _("A git directory for '%s' is found " + "locally with remote(s):"), + add_data->sm_name); + show_fetch_remotes(stderr, submod_gitdir_path); + free(submod_gitdir_path); + die(_("If you want to reuse this local git " + "directory instead of cloning again from\n" + " %s\n" + "use the '--force' option. If the local git " + "directory is not the correct repo\n" + "or if you are unsure what this means, choose " + "another name with the '--name' option.\n"), + add_data->realrepo); + } else { + printf(_("Reactivating local git directory for " + "submodule '%s'\n"), add_data->sm_name); + } + } + free(submod_gitdir_path); + + clone_data.prefix = add_data->prefix; + clone_data.path = add_data->sm_path; + clone_data.name = add_data->sm_name; + clone_data.url = add_data->realrepo; + clone_data.quiet = add_data->quiet; + clone_data.progress = add_data->progress; + if (add_data->reference_path) + string_list_append(&clone_data.reference, + xstrdup(add_data->reference_path)); + clone_data.dissociate = add_data->dissociate; + if (add_data->depth >= 0) + clone_data.depth = xstrfmt("%d", add_data->depth); + + if (clone_submodule(&clone_data)) + return -1; + + prepare_submodule_repo_env(&cp.env_array); + cp.git_cmd = 1; + cp.dir = add_data->sm_path; + strvec_pushl(&cp.args, "checkout", "-f", "-q", NULL); + + if (add_data->branch) { + strvec_pushl(&cp.args, "-B", add_data->branch, NULL); + strvec_pushf(&cp.args, "origin/%s", add_data->branch); + } + + if (run_command(&cp)) + die(_("unable to checkout submodule '%s'"), add_data->sm_path); + } + return 0; +} + +static int add_clone(int argc, const char **argv, const char *prefix) +{ + int force = 0, quiet = 0, dissociate = 0, progress = 0; + struct add_data add_data = ADD_DATA_INIT; + + struct option options[] = { + OPT_STRING('b', "branch", &add_data.branch, + N_("branch"), + N_("branch of repository to checkout on cloning")), + OPT_STRING(0, "prefix", &prefix, + N_("path"), + N_("alternative anchor for relative paths")), + OPT_STRING(0, "path", &add_data.sm_path, + N_("path"), + N_("where the new submodule will be cloned to")), + OPT_STRING(0, "name", &add_data.sm_name, + N_("string"), + N_("name of the new submodule")), + OPT_STRING(0, "url", &add_data.realrepo, + N_("string"), + N_("url where to clone the submodule from")), + OPT_STRING(0, "reference", &add_data.reference_path, + N_("repo"), + N_("reference repository")), + OPT_BOOL(0, "dissociate", &dissociate, + N_("use --reference only while cloning")), + OPT_INTEGER(0, "depth", &add_data.depth, + N_("depth for shallow clones")), + OPT_BOOL(0, "progress", &progress, + N_("force cloning progress")), + OPT__FORCE(&force, N_("allow adding an otherwise ignored submodule path"), + PARSE_OPT_NOCOMPLETE), + OPT__QUIET(&quiet, "suppress output for cloning a submodule"), + OPT_END() + }; + + const char *const usage[] = { + N_("git submodule--helper add-clone [<options>...] " + "--url <url> --path <path> --name <name>"), + NULL + }; + + argc = parse_options(argc, argv, prefix, options, usage, 0); + + if (argc != 0) + usage_with_options(usage, options); + + add_data.prefix = prefix; + add_data.progress = !!progress; + add_data.dissociate = !!dissociate; + add_data.force = !!force; + add_data.quiet = !!quiet; + + if (add_submodule(&add_data)) + return 1; + + return 0; +} + #define SUPPORT_SUPER_PREFIX (1<<0) struct cmd_struct { @@ -2219,6 +2948,7 @@ static struct cmd_struct commands[] = { {"list", module_list, 0}, {"name", module_name, 0}, {"clone", module_clone, 0}, + {"add-clone", add_clone, 0}, {"update-module-mode", module_update_module_mode, 0}, {"update-clone", update_clone, 0}, {"ensure-core-worktree", ensure_core_worktree, 0}, @@ -2231,12 +2961,15 @@ static struct cmd_struct commands[] = { {"print-default-remote", print_default_remote, 0}, {"sync", module_sync, SUPPORT_SUPER_PREFIX}, {"deinit", module_deinit, 0}, + {"summary", module_summary, SUPPORT_SUPER_PREFIX}, {"remote-branch", resolve_remote_submodule_branch, 0}, {"push-check", push_check, 0}, {"absorb-git-dirs", absorb_git_dirs, SUPPORT_SUPER_PREFIX}, {"is-active", is_active, 0}, {"check-name", check_name, 0}, {"config", module_config, 0}, + {"set-url", module_set_url, 0}, + {"set-branch", module_set_branch, 0}, }; int cmd_submodule__helper(int argc, const char **argv, const char *prefix) diff --git a/builtin/symbolic-ref.c b/builtin/symbolic-ref.c index 80237f0df1..e547a08d6c 100644 --- a/builtin/symbolic-ref.c +++ b/builtin/symbolic-ref.c @@ -24,9 +24,11 @@ static int check_symref(const char *HEAD, int quiet, int shorten, int print) return 1; } if (print) { + char *to_free = NULL; if (shorten) - refname = shorten_unambiguous_ref(refname, 0); + refname = to_free = shorten_unambiguous_ref(refname, 0); puts(refname); + free(to_free); } return 0; } diff --git a/builtin/tag.c b/builtin/tag.c index ef37dccf86..452558ec95 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -17,7 +17,7 @@ #include "diff.h" #include "revision.h" #include "gpg-interface.h" -#include "sha1-array.h" +#include "oid-array.h" #include "column.h" #include "ref-filter.h" @@ -26,18 +26,21 @@ static const char * const git_tag_usage[] = { "\t\t<tagname> [<head>]"), N_("git tag -d <tagname>..."), N_("git tag -l [-n[<num>]] [--contains <commit>] [--no-contains <commit>] [--points-at <object>]\n" - "\t\t[--format=<format>] [--[no-]merged [<commit>]] [<pattern>...]"), + "\t\t[--format=<format>] [--merged <commit>] [--no-merged <commit>] [<pattern>...]"), N_("git tag -v [--format=<format>] <tagname>..."), NULL }; static unsigned int colopts; static int force_sign_annotate; +static int config_sign_tag = -1; /* unspecified */ static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, struct ref_format *format) { struct ref_array array; + struct strbuf output = STRBUF_INIT; + struct strbuf err = STRBUF_INIT; char *to_free = NULL; int i; @@ -62,8 +65,17 @@ static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, filter_refs(&array, filter, FILTER_REFS_TAGS); ref_array_sort(sorting, &array); - for (i = 0; i < array.nr; i++) - show_ref_array_item(array.items[i], format); + for (i = 0; i < array.nr; i++) { + strbuf_reset(&output); + strbuf_reset(&err); + if (format_ref_array_item(array.items[i], format, &output, &err)) + die("%s", err.buf); + fwrite(output.buf, 1, output.len, stdout); + putchar('\n'); + } + + strbuf_release(&err); + strbuf_release(&output); ref_array_clear(&array); free(to_free); @@ -71,10 +83,10 @@ static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, } typedef int (*each_tag_name_fn)(const char *name, const char *ref, - const struct object_id *oid, const void *cb_data); + const struct object_id *oid, void *cb_data); static int for_each_tag_name(const char **argv, each_tag_name_fn fn, - const void *cb_data) + void *cb_data) { const char **p; struct strbuf ref = STRBUF_INIT; @@ -96,21 +108,45 @@ static int for_each_tag_name(const char **argv, each_tag_name_fn fn, return had_error; } -static int delete_tag(const char *name, const char *ref, - const struct object_id *oid, const void *cb_data) +static int collect_tags(const char *name, const char *ref, + const struct object_id *oid, void *cb_data) { - if (delete_ref(NULL, ref, oid, 0)) - return 1; - printf(_("Deleted tag '%s' (was %s)\n"), name, - find_unique_abbrev(oid, DEFAULT_ABBREV)); + struct string_list *ref_list = cb_data; + + string_list_append(ref_list, ref); + ref_list->items[ref_list->nr - 1].util = oiddup(oid); return 0; } +static int delete_tags(const char **argv) +{ + int result; + struct string_list refs_to_delete = STRING_LIST_INIT_DUP; + struct string_list_item *item; + + result = for_each_tag_name(argv, collect_tags, (void *)&refs_to_delete); + if (delete_refs(NULL, &refs_to_delete, REF_NO_DEREF)) + result = 1; + + for_each_string_list_item(item, &refs_to_delete) { + const char *name = item->string; + struct object_id *oid = item->util; + if (!ref_exists(name)) + printf(_("Deleted tag '%s' (was %s)\n"), + item->string + 10, + find_unique_abbrev(oid, DEFAULT_ABBREV)); + + free(oid); + } + string_list_clear(&refs_to_delete, 0); + return result; +} + static int verify_tag(const char *name, const char *ref, - const struct object_id *oid, const void *cb_data) + const struct object_id *oid, void *cb_data) { int flags; - const struct ref_format *format = cb_data; + struct ref_format *format = cb_data; flags = GPG_VERIFY_VERBOSE; if (format->format) @@ -144,6 +180,11 @@ static int git_tag_config(const char *var, const char *value, void *cb) int status; struct ref_sorting **sorting_tail = (struct ref_sorting **)cb; + if (!strcmp(var, "tag.gpgsign")) { + config_sign_tag = git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "tag.sort")) { if (!value) return config_error_nonbool(var); @@ -168,11 +209,17 @@ static void write_tag_body(int fd, const struct object_id *oid) { unsigned long size; enum object_type type; - char *buf, *sp; + char *buf, *sp, *orig; + struct strbuf payload = STRBUF_INIT; + struct strbuf signature = STRBUF_INIT; - buf = read_object_file(oid, &type, &size); + orig = buf = read_object_file(oid, &type, &size); if (!buf) return; + if (parse_signature(buf, size, &payload, &signature)) { + buf = payload.buf; + size = payload.len; + } /* skip header */ sp = strstr(buf, "\n\n"); @@ -181,9 +228,11 @@ static void write_tag_body(int fd, const struct object_id *oid) return; } sp += 2; /* skip the 2 LFs */ - write_or_die(fd, sp, parse_signature(sp, buf + size - sp)); + write_or_die(fd, sp, buf + size - sp); - free(buf); + free(orig); + strbuf_release(&payload); + strbuf_release(&signature); } static int build_tag_object(struct strbuf *buf, int sign, struct object_id *result) @@ -225,8 +274,9 @@ static void create_tag(const struct object_id *object, const char *object_ref, if (type <= OBJ_NONE) die(_("bad object type.")); - if (type == OBJ_TAG && advice_nested_tag) - advise(_(message_advice_nested_tag), tag, object_ref); + if (type == OBJ_TAG) + advise_if_enabled(ADVICE_NESTED_TAG, _(message_advice_nested_tag), + tag, object_ref); strbuf_addf(&header, "object %s\n" @@ -403,8 +453,8 @@ int cmd_tag(int argc, const char **argv, const char *prefix) OPT_GROUP(N_("Tag creation options")), OPT_BOOL('a', "annotate", &annotate, N_("annotated tag, needs a message")), - { OPTION_CALLBACK, 'm', "message", &msg, N_("message"), - N_("tag message"), PARSE_OPT_NONEG, parse_msg_arg }, + OPT_CALLBACK_F('m', "message", &msg, N_("message"), + N_("tag message"), PARSE_OPT_NONEG, parse_msg_arg), OPT_FILENAME('F', "file", &msgfile, N_("read message from file")), OPT_BOOL('e', "edit", &edit_flag, N_("force edit of tag message")), OPT_BOOL('s', "sign", &opt.sign, N_("annotated and GPG-signed tag")), @@ -442,27 +492,31 @@ int cmd_tag(int argc, const char **argv, const char *prefix) memset(&opt, 0, sizeof(opt)); memset(&filter, 0, sizeof(filter)); filter.lines = -1; + opt.sign = -1; argc = parse_options(argc, argv, prefix, options, git_tag_usage, 0); - if (keyid) { - opt.sign = 1; - set_signing_key(keyid); - } - create_tag_object = (opt.sign || annotate || msg.given || msgfile); - if (!cmdmode) { if (argc == 0) cmdmode = 'l'; else if (filter.with_commit || filter.no_commit || - filter.points_at.nr || filter.merge_commit || - filter.lines != -1) + filter.reachable_from || filter.unreachable_from || + filter.points_at.nr || filter.lines != -1) cmdmode = 'l'; } if (cmdmode == 'l') setup_auto_pager("tag", 1); + if (opt.sign == -1) + opt.sign = cmdmode ? 0 : config_sign_tag > 0; + + if (keyid) { + opt.sign = 1; + set_signing_key(keyid); + } + create_tag_object = (opt.sign || annotate || msg.given || msgfile); + if ((create_tag_object || force) && (cmdmode != 0)) usage_with_options(git_tag_usage, options); @@ -474,7 +528,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix) } if (!sorting) sorting = ref_default_sorting(); - sorting->ignore_case = icase; + ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase); filter.ignore_case = icase; if (cmdmode == 'l') { int ret; @@ -498,10 +552,10 @@ int cmd_tag(int argc, const char **argv, const char *prefix) die(_("--no-contains option is only allowed in list mode")); if (filter.points_at.nr) die(_("--points-at option is only allowed in list mode")); - if (filter.merge_commit) + if (filter.reachable_from || filter.unreachable_from) die(_("--merged and --no-merged options are only allowed in list mode")); if (cmdmode == 'd') - return for_each_tag_name(argv, delete_tag, NULL); + return delete_tags(argv); if (cmdmode == 'v') { if (format.format && verify_ref_format(&format)) usage_with_options(git_tag_usage, options); @@ -529,7 +583,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix) object_ref = argc == 2 ? argv[1] : "HEAD"; if (argc > 2) - die(_("too many params")); + die(_("too many arguments")); if (get_oid(object_ref, &object)) die(_("Failed to resolve '%s' as a valid ref."), object_ref); diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c index 80478808b3..4a9466295b 100644 --- a/builtin/unpack-objects.c +++ b/builtin/unpack-objects.c @@ -24,6 +24,7 @@ static off_t consumed_bytes; static off_t max_input_size; static git_hash_ctx ctx; static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT; +static struct progress *progress; /* * When running under --strict mode, objects whose reachability are @@ -45,7 +46,7 @@ static struct obj_buffer *lookup_object_buffer(struct object *base) static void add_object_buffer(struct object *object, char *buffer, unsigned long size) { struct obj_buffer *obj; - obj = xcalloc(1, sizeof(struct obj_buffer)); + CALLOC_ARRAY(obj, 1); obj->buffer = buffer; obj->size = size; if (add_decoration(&obj_decorate, object, obj)) @@ -92,6 +93,7 @@ static void use(int bytes) consumed_bytes += bytes; if (max_input_size && consumed_bytes > max_input_size) die(_("pack exceeds maximum allowed size")); + display_throughput(progress, consumed_bytes); } static void *get_data(unsigned long size) @@ -185,7 +187,8 @@ static void write_cached_object(struct object *obj, struct obj_buffer *obj_buf) * that have reachability requirements and calls this function. * Verify its reachability and validity recursively and write it out. */ -static int check_object(struct object *obj, int type, void *data, struct fsck_options *options) +static int check_object(struct object *obj, enum object_type type, + void *data, struct fsck_options *options) { struct obj_buffer *obj_buf; @@ -263,7 +266,8 @@ static void write_object(unsigned nr, enum object_type type, } else { struct object *obj; int eaten; - hash_object_file(buf, size, type_name(type), &obj_list[nr].oid); + hash_object_file(the_hash_algo, buf, size, type_name(type), + &obj_list[nr].oid); added_object(nr, type, buf, size); obj = parse_object_buffer(the_repository, &obj_list[nr].oid, type, size, buf, @@ -332,7 +336,7 @@ static int resolve_against_held(unsigned nr, const struct object_id *base, { struct object *obj; struct obj_buffer *obj_buffer; - obj = lookup_object(the_repository, base->hash); + obj = lookup_object(the_repository, base); if (!obj) return 0; obj_buffer = lookup_object_buffer(obj); @@ -351,7 +355,7 @@ static void unpack_delta_entry(enum object_type type, unsigned long delta_size, struct object_id base_oid; if (type == OBJ_REF_DELTA) { - hashcpy(base_oid.hash, fill(the_hash_algo->rawsz)); + oidread(&base_oid, fill(the_hash_algo->rawsz)); use(the_hash_algo->rawsz); delta_data = get_data(delta_size); if (dry_run || !delta_data) { @@ -417,7 +421,8 @@ static void unpack_delta_entry(enum object_type type, unsigned long delta_size, * has not been resolved yet. */ oidclr(&obj_list[nr].oid); - add_delta_to_list(nr, &null_oid, base_offset, delta_data, delta_size); + add_delta_to_list(nr, null_oid(), base_offset, + delta_data, delta_size); return; } } @@ -484,7 +489,6 @@ static void unpack_one(unsigned nr) static void unpack_all(void) { int i; - struct progress *progress = NULL; struct pack_header *hdr = fill(sizeof(struct pack_header)); nr_objects = ntohl(hdr->hdr_entries); @@ -498,7 +502,7 @@ static void unpack_all(void) if (!quiet) progress = start_progress(_("Unpacking objects"), nr_objects); - obj_list = xcalloc(nr_objects, sizeof(*obj_list)); + CALLOC_ARRAY(obj_list, nr_objects); for (i = 0; i < nr_objects; i++) { unpack_one(i); display_progress(progress, i + 1); @@ -573,7 +577,7 @@ int cmd_unpack_objects(int argc, const char **argv, const char *prefix) the_hash_algo->init_fn(&ctx); unpack_all(); the_hash_algo->update_fn(&ctx, buffer, offset); - the_hash_algo->final_fn(oid.hash, &ctx); + the_hash_algo->final_oid_fn(&oid, &ctx); if (strict) { write_rest(); if (fsck_finish(&fsck_options)) diff --git a/builtin/update-index.c b/builtin/update-index.c index 3f8cc6ccb4..f1f16f2de5 100644 --- a/builtin/update-index.c +++ b/builtin/update-index.c @@ -35,6 +35,7 @@ static int verbose; static int mark_valid_only; static int mark_skip_worktree_only; static int mark_fsmonitor_only; +static int ignore_skip_worktree_entries; #define MARK_FLAG 1 #define UNMARK_FLAG 2 static struct strbuf mtime_dir = STRBUF_INIT; @@ -381,7 +382,8 @@ static int process_path(const char *path, struct stat *st, int stat_errno) * so updating it does not make sense. * On the other hand, removing it from index should work */ - if (allow_remove && remove_file_from_cache(path)) + if (!ignore_skip_worktree_entries && allow_remove && + remove_file_from_cache(path)) return error("%s: cannot remove from the index", path); return 0; } @@ -601,7 +603,7 @@ static struct cache_entry *read_one_ent(const char *which, struct object_id oid; struct cache_entry *ce; - if (get_tree_entry(ent, path, &oid, &mode)) { + if (get_tree_entry(the_repository, ent, path, &oid, &mode)) { if (which) error("%s: not in %s branch.", path, which); return NULL; @@ -743,6 +745,8 @@ static int do_reupdate(int ac, const char **av, */ has_head = 0; redo: + /* TODO: audit for interaction with sparse-index. */ + ensure_full_index(&the_index); for (pos = 0; pos < active_nr; pos++) { const struct cache_entry *ce = active_cache[pos]; struct cache_entry *old = NULL; @@ -966,6 +970,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) struct parse_opt_ctx_t ctx; strbuf_getline_fn getline_fn; int parseopt_state = PARSE_OPT_UNKNOWN; + struct repository *r = the_repository; struct option options[] = { OPT_BIT('q', NULL, &refresh_args.flags, N_("continue refresh even when index needs update"), @@ -982,14 +987,14 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) OPT_BIT(0, "unmerged", &refresh_args.flags, N_("refresh even if index contains unmerged entries"), REFRESH_UNMERGED), - {OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL, + OPT_CALLBACK_F(0, "refresh", &refresh_args, NULL, N_("refresh stat information"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, - refresh_callback}, - {OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL, + refresh_callback), + OPT_CALLBACK_F(0, "really-refresh", &refresh_args, NULL, N_("like --refresh, but ignore assume-unchanged setting"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, - really_refresh_callback}, + really_refresh_callback), {OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL, N_("<mode>,<object>,<path>"), N_("add the specified entry to the index"), @@ -997,10 +1002,10 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP, NULL, 0, cacheinfo_callback}, - {OPTION_CALLBACK, 0, "chmod", &set_executable_bit, "(+|-)x", + OPT_CALLBACK_F(0, "chmod", &set_executable_bit, "(+|-)x", N_("override the executable bit of the listed files"), PARSE_OPT_NONEG, - chmod_callback}, + chmod_callback), {OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL, N_("mark files as \"not changing\""), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, @@ -1013,6 +1018,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) {OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL, N_("clear skip-worktree bit"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, + OPT_BOOL(0, "ignore-skip-worktree-entries", &ignore_skip_worktree_entries, + N_("do not touch index-only entries")), OPT_SET_INT(0, "info-only", &info_only, N_("add to index only; do not add content to object database"), 1), OPT_SET_INT(0, "force-remove", &force_remove, @@ -1040,10 +1047,10 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) REFRESH_IGNORE_MISSING), OPT_SET_INT(0, "verbose", &verbose, N_("report actions to standard output"), 1), - {OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL, + OPT_CALLBACK_F(0, "clear-resolve-undo", NULL, NULL, N_("(for porcelains) forget saved unresolved conflicts"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, - resolve_undo_clear_callback}, + resolve_undo_clear_callback), OPT_INTEGER(0, "index-version", &preferred_index_format, N_("write index in this format")), OPT_BOOL(0, "split-index", &split_index, @@ -1180,11 +1187,12 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) remove_split_index(&the_index); } + prepare_repo_settings(r); switch (untracked_cache) { case UC_UNSPECIFIED: break; case UC_DISABLE: - if (git_config_get_untracked_cache() == 1) + if (r->settings.core_untracked_cache == UNTRACKED_CACHE_WRITE) warning(_("core.untrackedCache is set to true; " "remove or change it, if you really want to " "disable the untracked cache")); @@ -1196,7 +1204,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) return !test_if_untracked_cache_is_supported(); case UC_ENABLE: case UC_FORCE: - if (git_config_get_untracked_cache() == 0) + if (r->settings.core_untracked_cache == UNTRACKED_CACHE_REMOVE) warning(_("core.untrackedCache is set to false; " "remove or change it, if you really want to " "enable the untracked cache")); diff --git a/builtin/update-ref.c b/builtin/update-ref.c index 2d8f7f0578..6029a80544 100644 --- a/builtin/update-ref.c +++ b/builtin/update-ref.c @@ -4,7 +4,7 @@ #include "builtin.h" #include "parse-options.h" #include "quote.h" -#include "argv-array.h" +#include "strvec.h" static const char * const git_update_ref_usage[] = { N_("git update-ref [<options>] -d <refname> [<old-val>]"), @@ -50,7 +50,7 @@ static const char *parse_arg(const char *next, struct strbuf *arg) * the argument. Die if C-quoting is malformed or the reference name * is invalid. */ -static char *parse_refname(struct strbuf *input, const char **next) +static char *parse_refname(const char **next) { struct strbuf ref = STRBUF_INIT; @@ -95,7 +95,7 @@ static char *parse_refname(struct strbuf *input, const char **next) * provided but cannot be converted to a SHA-1, die. flags can * include PARSE_SHA1_OLD and/or PARSE_SHA1_ALLOW_EMPTY. */ -static int parse_next_oid(struct strbuf *input, const char **next, +static int parse_next_oid(const char **next, const char *end, struct object_id *oid, const char *command, const char *refname, int flags) @@ -103,7 +103,7 @@ static int parse_next_oid(struct strbuf *input, const char **next, struct strbuf arg = STRBUF_INIT; int ret = 0; - if (*next == input->buf + input->len) + if (*next == end) goto eof; if (line_termination) { @@ -128,7 +128,7 @@ static int parse_next_oid(struct strbuf *input, const char **next, die("%s %s: expected NUL but got: %s", command, refname, *next); (*next)++; - if (*next == input->buf + input->len) + if (*next == end) goto eof; strbuf_addstr(&arg, *next); *next += arg.len; @@ -178,23 +178,23 @@ static int parse_next_oid(struct strbuf *input, const char **next, * depending on how line_termination is set. */ -static const char *parse_cmd_update(struct ref_transaction *transaction, - struct strbuf *input, const char *next) +static void parse_cmd_update(struct ref_transaction *transaction, + const char *next, const char *end) { struct strbuf err = STRBUF_INIT; char *refname; struct object_id new_oid, old_oid; int have_old; - refname = parse_refname(input, &next); + refname = parse_refname(&next); if (!refname) die("update: missing <ref>"); - if (parse_next_oid(input, &next, &new_oid, "update", refname, + if (parse_next_oid(&next, end, &new_oid, "update", refname, PARSE_SHA1_ALLOW_EMPTY)) die("update %s: missing <newvalue>", refname); - have_old = !parse_next_oid(input, &next, &old_oid, "update", refname, + have_old = !parse_next_oid(&next, end, &old_oid, "update", refname, PARSE_SHA1_OLD); if (*next != line_termination) @@ -209,22 +209,20 @@ static const char *parse_cmd_update(struct ref_transaction *transaction, update_flags = default_flags; free(refname); strbuf_release(&err); - - return next; } -static const char *parse_cmd_create(struct ref_transaction *transaction, - struct strbuf *input, const char *next) +static void parse_cmd_create(struct ref_transaction *transaction, + const char *next, const char *end) { struct strbuf err = STRBUF_INIT; char *refname; struct object_id new_oid; - refname = parse_refname(input, &next); + refname = parse_refname(&next); if (!refname) die("create: missing <ref>"); - if (parse_next_oid(input, &next, &new_oid, "create", refname, 0)) + if (parse_next_oid(&next, end, &new_oid, "create", refname, 0)) die("create %s: missing <newvalue>", refname); if (is_null_oid(&new_oid)) @@ -241,23 +239,21 @@ static const char *parse_cmd_create(struct ref_transaction *transaction, update_flags = default_flags; free(refname); strbuf_release(&err); - - return next; } -static const char *parse_cmd_delete(struct ref_transaction *transaction, - struct strbuf *input, const char *next) +static void parse_cmd_delete(struct ref_transaction *transaction, + const char *next, const char *end) { struct strbuf err = STRBUF_INIT; char *refname; struct object_id old_oid; int have_old; - refname = parse_refname(input, &next); + refname = parse_refname(&next); if (!refname) die("delete: missing <ref>"); - if (parse_next_oid(input, &next, &old_oid, "delete", refname, + if (parse_next_oid(&next, end, &old_oid, "delete", refname, PARSE_SHA1_OLD)) { have_old = 0; } else { @@ -277,22 +273,20 @@ static const char *parse_cmd_delete(struct ref_transaction *transaction, update_flags = default_flags; free(refname); strbuf_release(&err); - - return next; } -static const char *parse_cmd_verify(struct ref_transaction *transaction, - struct strbuf *input, const char *next) +static void parse_cmd_verify(struct ref_transaction *transaction, + const char *next, const char *end) { struct strbuf err = STRBUF_INIT; char *refname; struct object_id old_oid; - refname = parse_refname(input, &next); + refname = parse_refname(&next); if (!refname) die("verify: missing <ref>"); - if (parse_next_oid(input, &next, &old_oid, "verify", refname, + if (parse_next_oid(&next, end, &old_oid, "verify", refname, PARSE_SHA1_OLD)) oidclr(&old_oid); @@ -306,50 +300,192 @@ static const char *parse_cmd_verify(struct ref_transaction *transaction, update_flags = default_flags; free(refname); strbuf_release(&err); - - return next; } -static const char *parse_cmd_option(struct strbuf *input, const char *next) +static void parse_cmd_option(struct ref_transaction *transaction, + const char *next, const char *end) { const char *rest; if (skip_prefix(next, "no-deref", &rest) && *rest == line_termination) update_flags |= REF_NO_DEREF; else die("option unknown: %s", next); - return rest; } -static void update_refs_stdin(struct ref_transaction *transaction) +static void parse_cmd_start(struct ref_transaction *transaction, + const char *next, const char *end) +{ + if (*next != line_termination) + die("start: extra input: %s", next); + puts("start: ok"); +} + +static void parse_cmd_prepare(struct ref_transaction *transaction, + const char *next, const char *end) +{ + struct strbuf error = STRBUF_INIT; + if (*next != line_termination) + die("prepare: extra input: %s", next); + if (ref_transaction_prepare(transaction, &error)) + die("prepare: %s", error.buf); + puts("prepare: ok"); +} + +static void parse_cmd_abort(struct ref_transaction *transaction, + const char *next, const char *end) +{ + struct strbuf error = STRBUF_INIT; + if (*next != line_termination) + die("abort: extra input: %s", next); + if (ref_transaction_abort(transaction, &error)) + die("abort: %s", error.buf); + puts("abort: ok"); +} + +static void parse_cmd_commit(struct ref_transaction *transaction, + const char *next, const char *end) { - struct strbuf input = STRBUF_INIT; - const char *next; + struct strbuf error = STRBUF_INIT; + if (*next != line_termination) + die("commit: extra input: %s", next); + if (ref_transaction_commit(transaction, &error)) + die("commit: %s", error.buf); + puts("commit: ok"); + ref_transaction_free(transaction); +} + +enum update_refs_state { + /* Non-transactional state open for updates. */ + UPDATE_REFS_OPEN, + /* A transaction has been started. */ + UPDATE_REFS_STARTED, + /* References are locked and ready for commit */ + UPDATE_REFS_PREPARED, + /* Transaction has been committed or closed. */ + UPDATE_REFS_CLOSED, +}; + +static const struct parse_cmd { + const char *prefix; + void (*fn)(struct ref_transaction *, const char *, const char *); + unsigned args; + enum update_refs_state state; +} command[] = { + { "update", parse_cmd_update, 3, UPDATE_REFS_OPEN }, + { "create", parse_cmd_create, 2, UPDATE_REFS_OPEN }, + { "delete", parse_cmd_delete, 2, UPDATE_REFS_OPEN }, + { "verify", parse_cmd_verify, 2, UPDATE_REFS_OPEN }, + { "option", parse_cmd_option, 1, UPDATE_REFS_OPEN }, + { "start", parse_cmd_start, 0, UPDATE_REFS_STARTED }, + { "prepare", parse_cmd_prepare, 0, UPDATE_REFS_PREPARED }, + { "abort", parse_cmd_abort, 0, UPDATE_REFS_CLOSED }, + { "commit", parse_cmd_commit, 0, UPDATE_REFS_CLOSED }, +}; + +static void update_refs_stdin(void) +{ + struct strbuf input = STRBUF_INIT, err = STRBUF_INIT; + enum update_refs_state state = UPDATE_REFS_OPEN; + struct ref_transaction *transaction; + int i, j; + + transaction = ref_transaction_begin(&err); + if (!transaction) + die("%s", err.buf); - if (strbuf_read(&input, 0, 1000) < 0) - die_errno("could not read from stdin"); - next = input.buf; /* Read each line dispatch its command */ - while (next < input.buf + input.len) { - if (*next == line_termination) + while (!strbuf_getwholeline(&input, stdin, line_termination)) { + const struct parse_cmd *cmd = NULL; + + if (*input.buf == line_termination) die("empty command in input"); - else if (isspace(*next)) - die("whitespace before command: %s", next); - else if (skip_prefix(next, "update ", &next)) - next = parse_cmd_update(transaction, &input, next); - else if (skip_prefix(next, "create ", &next)) - next = parse_cmd_create(transaction, &input, next); - else if (skip_prefix(next, "delete ", &next)) - next = parse_cmd_delete(transaction, &input, next); - else if (skip_prefix(next, "verify ", &next)) - next = parse_cmd_verify(transaction, &input, next); - else if (skip_prefix(next, "option ", &next)) - next = parse_cmd_option(&input, next); - else - die("unknown command: %s", next); - - next++; + else if (isspace(*input.buf)) + die("whitespace before command: %s", input.buf); + + for (i = 0; i < ARRAY_SIZE(command); i++) { + const char *prefix = command[i].prefix; + char c; + + if (!starts_with(input.buf, prefix)) + continue; + + /* + * If the command has arguments, verify that it's + * followed by a space. Otherwise, it shall be followed + * by a line terminator. + */ + c = command[i].args ? ' ' : line_termination; + if (input.buf[strlen(prefix)] != c) + continue; + + cmd = &command[i]; + break; + } + if (!cmd) + die("unknown command: %s", input.buf); + + /* + * Read additional arguments if NUL-terminated. Do not raise an + * error in case there is an early EOF to let the command + * handle missing arguments with a proper error message. + */ + for (j = 1; line_termination == '\0' && j < cmd->args; j++) + if (strbuf_appendwholeline(&input, stdin, line_termination)) + break; + + switch (state) { + case UPDATE_REFS_OPEN: + case UPDATE_REFS_STARTED: + if (state == UPDATE_REFS_STARTED && cmd->state == UPDATE_REFS_STARTED) + die("cannot restart ongoing transaction"); + /* Do not downgrade a transaction to a non-transaction. */ + if (cmd->state >= state) + state = cmd->state; + break; + case UPDATE_REFS_PREPARED: + if (cmd->state != UPDATE_REFS_CLOSED) + die("prepared transactions can only be closed"); + state = cmd->state; + break; + case UPDATE_REFS_CLOSED: + if (cmd->state != UPDATE_REFS_STARTED) + die("transaction is closed"); + + /* + * Open a new transaction if we're currently closed and + * get a "start". + */ + state = cmd->state; + transaction = ref_transaction_begin(&err); + if (!transaction) + die("%s", err.buf); + + break; + } + + cmd->fn(transaction, input.buf + strlen(cmd->prefix) + !!cmd->args, + input.buf + input.len); + } + + switch (state) { + case UPDATE_REFS_OPEN: + /* Commit by default if no transaction was requested. */ + if (ref_transaction_commit(transaction, &err)) + die("%s", err.buf); + ref_transaction_free(transaction); + break; + case UPDATE_REFS_STARTED: + case UPDATE_REFS_PREPARED: + /* If using a transaction, we want to abort it. */ + if (ref_transaction_abort(transaction, &err)) + die("%s", err.buf); + break; + case UPDATE_REFS_CLOSED: + /* Otherwise no need to do anything, the transaction was closed already. */ + break; } + strbuf_release(&err); strbuf_release(&input); } @@ -384,21 +520,11 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix) } if (read_stdin) { - struct strbuf err = STRBUF_INIT; - struct ref_transaction *transaction; - - transaction = ref_transaction_begin(&err); - if (!transaction) - die("%s", err.buf); if (delete || argc > 0) usage_with_options(git_update_ref_usage, options); if (end_null) line_termination = '\0'; - update_refs_stdin(transaction); - if (ref_transaction_commit(transaction, &err)) - die("%s", err.buf); - ref_transaction_free(transaction); - strbuf_release(&err); + update_refs_stdin(); return 0; } diff --git a/builtin/upload-archive.c b/builtin/upload-archive.c index 018879737a..24654b4c9b 100644 --- a/builtin/upload-archive.c +++ b/builtin/upload-archive.c @@ -7,7 +7,7 @@ #include "pkt-line.h" #include "sideband.h" #include "run-command.h" -#include "argv-array.h" +#include "strvec.h" static const char upload_archive_usage[] = "git upload-archive <repo>"; @@ -19,7 +19,7 @@ static const char deadchild[] = int cmd_upload_archive_writer(int argc, const char **argv, const char *prefix) { - struct argv_array sent_argv = ARGV_ARRAY_INIT; + struct strvec sent_argv = STRVEC_INIT; const char *arg_cmd = "argument "; if (argc != 2 || !strcmp(argv[1], "-h")) @@ -31,21 +31,21 @@ int cmd_upload_archive_writer(int argc, const char **argv, const char *prefix) init_archivers(); /* put received options in sent_argv[] */ - argv_array_push(&sent_argv, "git-upload-archive"); + strvec_push(&sent_argv, "git-upload-archive"); for (;;) { char *buf = packet_read_line(0, NULL); if (!buf) break; /* got a flush */ - if (sent_argv.argc > MAX_ARGS) + if (sent_argv.nr > MAX_ARGS) die("Too many options (>%d)", MAX_ARGS - 1); if (!starts_with(buf, arg_cmd)) die("'argument' token or flush expected"); - argv_array_push(&sent_argv, buf + strlen(arg_cmd)); + strvec_push(&sent_argv, buf + strlen(arg_cmd)); } /* parse all options sent by the client */ - return write_archive(sent_argv.argc, sent_argv.argv, prefix, + return write_archive(sent_argv.nr, sent_argv.v, prefix, the_repository, NULL, 1); } diff --git a/builtin/upload-pack.c b/builtin/upload-pack.c index 42dc4da5a1..6da8fa2607 100644 --- a/builtin/upload-pack.c +++ b/builtin/upload-pack.c @@ -33,7 +33,7 @@ int cmd_upload_pack(int argc, const char **argv, const char *prefix) packet_trace_identity("upload-pack"); read_replace_refs = 0; - argc = parse_options(argc, argv, NULL, options, upload_pack_usage, 0); + argc = parse_options(argc, argv, prefix, options, upload_pack_usage, 0); if (argc != 1) usage_with_options(upload_pack_usage, options); diff --git a/builtin/verify-commit.c b/builtin/verify-commit.c index 4e93914e59..40c69a0bed 100644 --- a/builtin/verify-commit.c +++ b/builtin/verify-commit.c @@ -20,15 +20,14 @@ static const char * const verify_commit_usage[] = { NULL }; -static int run_gpg_verify(const struct object_id *oid, const char *buf, unsigned long size, unsigned flags) +static int run_gpg_verify(struct commit *commit, unsigned flags) { struct signature_check signature_check; int ret; memset(&signature_check, 0, sizeof(signature_check)); - ret = check_commit_signature(lookup_commit(the_repository, oid), - &signature_check); + ret = check_commit_signature(commit, &signature_check); print_signature_buffer(&signature_check, flags); signature_check_clear(&signature_check); @@ -37,26 +36,20 @@ static int run_gpg_verify(const struct object_id *oid, const char *buf, unsigned static int verify_commit(const char *name, unsigned flags) { - enum object_type type; struct object_id oid; - char *buf; - unsigned long size; - int ret; + struct object *obj; if (get_oid(name, &oid)) return error("commit '%s' not found.", name); - buf = read_object_file(&oid, &type, &size); - if (!buf) + obj = parse_object(the_repository, &oid); + if (!obj) return error("%s: unable to read file.", name); - if (type != OBJ_COMMIT) + if (obj->type != OBJ_COMMIT) return error("%s: cannot verify a non-commit object of type %s.", - name, type_name(type)); - - ret = run_gpg_verify(&oid, buf, size, flags); + name, type_name(obj->type)); - free(buf); - return ret; + return run_gpg_verify((struct commit *)obj, flags); } static int git_verify_commit_config(const char *var, const char *value, void *cb) diff --git a/builtin/verify-pack.c b/builtin/verify-pack.c index c2a1a5c504..05c5213594 100644 --- a/builtin/verify-pack.c +++ b/builtin/verify-pack.c @@ -7,21 +7,26 @@ #define VERIFY_PACK_VERBOSE 01 #define VERIFY_PACK_STAT_ONLY 02 -static int verify_one_pack(const char *path, unsigned int flags) +static int verify_one_pack(const char *path, unsigned int flags, const char *hash_algo) { struct child_process index_pack = CHILD_PROCESS_INIT; - const char *argv[] = {"index-pack", NULL, NULL, NULL }; + struct strvec *argv = &index_pack.args; struct strbuf arg = STRBUF_INIT; int verbose = flags & VERIFY_PACK_VERBOSE; int stat_only = flags & VERIFY_PACK_STAT_ONLY; int err; + strvec_push(argv, "index-pack"); + if (stat_only) - argv[1] = "--verify-stat-only"; + strvec_push(argv, "--verify-stat-only"); else if (verbose) - argv[1] = "--verify-stat"; + strvec_push(argv, "--verify-stat"); else - argv[1] = "--verify"; + strvec_push(argv, "--verify"); + + if (hash_algo) + strvec_pushf(argv, "--object-format=%s", hash_algo); /* * In addition to "foo.pack" we accept "foo.idx" and "foo"; @@ -31,9 +36,8 @@ static int verify_one_pack(const char *path, unsigned int flags) if (strbuf_strip_suffix(&arg, ".idx") || !ends_with(arg.buf, ".pack")) strbuf_addstr(&arg, ".pack"); - argv[2] = arg.buf; + strvec_push(argv, arg.buf); - index_pack.argv = argv; index_pack.git_cmd = 1; err = run_command(&index_pack); @@ -60,12 +64,15 @@ int cmd_verify_pack(int argc, const char **argv, const char *prefix) { int err = 0; unsigned int flags = 0; + const char *object_format = NULL; int i; const struct option verify_pack_options[] = { OPT_BIT('v', "verbose", &flags, N_("verbose"), VERIFY_PACK_VERBOSE), OPT_BIT('s', "stat-only", &flags, N_("show statistics only"), VERIFY_PACK_STAT_ONLY), + OPT_STRING(0, "object-format", &object_format, N_("hash"), + N_("specify the hash algorithm to use")), OPT_END() }; @@ -75,7 +82,7 @@ int cmd_verify_pack(int argc, const char **argv, const char *prefix) if (argc < 1) usage_with_options(verify_pack_usage, verify_pack_options); for (i = 0; i < argc; i++) { - if (verify_one_pack(argv[i], flags)) + if (verify_one_pack(argv[i], flags, object_format)) err = 1; } diff --git a/builtin/worktree.c b/builtin/worktree.c index d2a7e2f3f1..0d0a80da61 100644 --- a/builtin/worktree.c +++ b/builtin/worktree.c @@ -4,15 +4,15 @@ #include "builtin.h" #include "dir.h" #include "parse-options.h" -#include "argv-array.h" +#include "strvec.h" #include "branch.h" #include "refs.h" #include "run-command.h" #include "sigchain.h" #include "submodule.h" -#include "refs.h" #include "utf8.h" #include "worktree.h" +#include "quote.h" static const char * const worktree_usage[] = { N_("git worktree add [<options>] <path> [<commit-ish>]"), @@ -30,7 +30,7 @@ struct add_opts { int detach; int quiet; int checkout; - int keep_locked; + const char *keep_locked; }; static int show_only; @@ -68,92 +68,73 @@ static void delete_worktrees_dir_if_empty(void) rmdir(git_path("worktrees")); /* ignore failed removal */ } -static int prune_worktree(const char *id, struct strbuf *reason) +static void prune_worktree(const char *id, const char *reason) { - struct stat st; - char *path; - int fd; - size_t len; - ssize_t read_result; + if (show_only || verbose) + printf_ln(_("Removing %s/%s: %s"), "worktrees", id, reason); + if (!show_only) + delete_git_dir(id); +} - if (!is_directory(git_path("worktrees/%s", id))) { - strbuf_addf(reason, _("Removing worktrees/%s: not a valid directory"), id); - return 1; - } - if (file_exists(git_path("worktrees/%s/locked", id))) - return 0; - if (stat(git_path("worktrees/%s/gitdir", id), &st)) { - strbuf_addf(reason, _("Removing worktrees/%s: gitdir file does not exist"), id); - return 1; - } - fd = open(git_path("worktrees/%s/gitdir", id), O_RDONLY); - if (fd < 0) { - strbuf_addf(reason, _("Removing worktrees/%s: unable to read gitdir file (%s)"), - id, strerror(errno)); - return 1; - } - len = xsize_t(st.st_size); - path = xmallocz(len); - - read_result = read_in_full(fd, path, len); - if (read_result < 0) { - strbuf_addf(reason, _("Removing worktrees/%s: unable to read gitdir file (%s)"), - id, strerror(errno)); - close(fd); - free(path); - return 1; - } - close(fd); +static int prune_cmp(const void *a, const void *b) +{ + const struct string_list_item *x = a; + const struct string_list_item *y = b; + int c; - if (read_result != len) { - strbuf_addf(reason, - _("Removing worktrees/%s: short read (expected %"PRIuMAX" bytes, read %"PRIuMAX")"), - id, (uintmax_t)len, (uintmax_t)read_result); - free(path); - return 1; - } - while (len && (path[len - 1] == '\n' || path[len - 1] == '\r')) - len--; - if (!len) { - strbuf_addf(reason, _("Removing worktrees/%s: invalid gitdir file"), id); - free(path); + if ((c = fspathcmp(x->string, y->string))) + return c; + /* + * paths same; prune_dupes() removes all but the first worktree entry + * having the same path, so sort main worktree ('util' is NULL) above + * linked worktrees ('util' not NULL) since main worktree can't be + * removed + */ + if (!x->util) + return -1; + if (!y->util) return 1; + /* paths same; sort by .git/worktrees/<id> */ + return strcmp(x->util, y->util); +} + +static void prune_dups(struct string_list *l) +{ + int i; + + QSORT(l->items, l->nr, prune_cmp); + for (i = 1; i < l->nr; i++) { + if (!fspathcmp(l->items[i].string, l->items[i - 1].string)) + prune_worktree(l->items[i].util, "duplicate entry"); } - path[len] = '\0'; - if (!file_exists(path)) { - free(path); - if (stat(git_path("worktrees/%s/index", id), &st) || - st.st_mtime <= expire) { - strbuf_addf(reason, _("Removing worktrees/%s: gitdir file points to non-existent location"), id); - return 1; - } else { - return 0; - } - } - free(path); - return 0; } static void prune_worktrees(void) { struct strbuf reason = STRBUF_INIT; + struct strbuf main_path = STRBUF_INIT; + struct string_list kept = STRING_LIST_INIT_NODUP; DIR *dir = opendir(git_path("worktrees")); struct dirent *d; if (!dir) return; - while ((d = readdir(dir)) != NULL) { - if (is_dot_or_dotdot(d->d_name)) - continue; + while ((d = readdir_skip_dot_and_dotdot(dir)) != NULL) { + char *path; strbuf_reset(&reason); - if (!prune_worktree(d->d_name, &reason)) - continue; - if (show_only || verbose) - printf("%s\n", reason.buf); - if (show_only) - continue; - delete_git_dir(d->d_name); + if (should_prune_worktree(d->d_name, &reason, &path, expire)) + prune_worktree(d->d_name, reason.buf); + else if (path) + string_list_append(&kept, path)->util = xstrdup(d->d_name); } closedir(dir); + + strbuf_add_absolute_path(&main_path, get_git_common_dir()); + /* massage main worktree absolute path to match 'gitdir' content */ + strbuf_strip_suffix(&main_path, "/."); + string_list_append(&kept, strbuf_detach(&main_path, NULL)); + prune_dups(&kept); + string_list_clear(&kept, 1); + if (!show_only) delete_worktrees_dir_if_empty(); strbuf_release(&reason); @@ -225,58 +206,55 @@ static const char *worktree_basename(const char *path, int *olen) return name; } -static void validate_worktree_add(const char *path, const struct add_opts *opts) +/* check that path is viable location for worktree */ +static void check_candidate_path(const char *path, + int force, + struct worktree **worktrees, + const char *cmd) { - struct worktree **worktrees; struct worktree *wt; int locked; if (file_exists(path) && !is_empty_dir(path)) die(_("'%s' already exists"), path); - worktrees = get_worktrees(0); - /* - * find_worktree()'s suffix matching may undesirably find the main - * rather than a linked worktree (for instance, when the basenames - * of the main worktree and the one being created are the same). - * We're only interested in linked worktrees, so skip the main - * worktree with +1. - */ - wt = find_worktree(worktrees + 1, NULL, path); + wt = find_worktree_by_path(worktrees, path); if (!wt) - goto done; + return; locked = !!worktree_lock_reason(wt); - if ((!locked && opts->force) || (locked && opts->force > 1)) { + if ((!locked && force) || (locked && force > 1)) { if (delete_git_dir(wt->id)) - die(_("unable to re-add worktree '%s'"), path); - goto done; + die(_("unusable worktree destination '%s'"), path); + return; } if (locked) - die(_("'%s' is a missing but locked worktree;\nuse 'add -f -f' to override, or 'unlock' and 'prune' or 'remove' to clear"), path); + die(_("'%s' is a missing but locked worktree;\nuse '%s -f -f' to override, or 'unlock' and 'prune' or 'remove' to clear"), path, cmd); else - die(_("'%s' is a missing but already registered worktree;\nuse 'add -f' to override, or 'prune' or 'remove' to clear"), path); - -done: - free_worktrees(worktrees); + die(_("'%s' is a missing but already registered worktree;\nuse '%s -f' to override, or 'prune' or 'remove' to clear"), path, cmd); } static int add_worktree(const char *path, const char *refname, const struct add_opts *opts) { struct strbuf sb_git = STRBUF_INIT, sb_repo = STRBUF_INIT; - struct strbuf sb = STRBUF_INIT; + struct strbuf sb = STRBUF_INIT, realpath = STRBUF_INIT; const char *name; struct child_process cp = CHILD_PROCESS_INIT; - struct argv_array child_env = ARGV_ARRAY_INIT; + struct strvec child_env = STRVEC_INIT; unsigned int counter = 0; int len, ret; struct strbuf symref = STRBUF_INIT; struct commit *commit = NULL; int is_branch = 0; + struct strbuf sb_name = STRBUF_INIT; + struct worktree **worktrees; - validate_worktree_add(path, opts); + worktrees = get_worktrees(); + check_candidate_path(path, opts->force, worktrees, "add"); + free_worktrees(worktrees); + worktrees = NULL; /* is 'refname' a branch or commit? */ if (!opts->detach && !strbuf_check_branch_ref(&symref, refname) && @@ -290,7 +268,13 @@ static int add_worktree(const char *path, const char *refname, die(_("invalid reference: %s"), refname); name = worktree_basename(path, &len); - git_path_buf(&sb_repo, "worktrees/%.*s", (int)(path + len - name), name); + strbuf_add(&sb, name, path + len - name); + sanitize_refname_component(sb.buf, &sb_name); + if (!sb_name.len) + BUG("How come '%s' becomes empty after sanitization?", sb.buf); + strbuf_reset(&sb); + name = sb_name.buf; + git_path_buf(&sb_repo, "worktrees/%s", name); len = sb_repo.len; if (safe_create_leading_directories_const(sb_repo.buf)) die_errno(_("could not create leading directories of '%s'"), @@ -318,10 +302,10 @@ static int add_worktree(const char *path, const char *refname, * after the preparation is over. */ strbuf_addf(&sb, "%s/locked", sb_repo.buf); - if (!opts->keep_locked) - write_file(sb.buf, "initializing"); + if (opts->keep_locked) + write_file(sb.buf, "%s", opts->keep_locked); else - write_file(sb.buf, "added with --lock"); + write_file(sb.buf, _("initializing")); strbuf_addf(&sb_git, "%s/.git", path); if (safe_create_leading_directories_const(sb_git.buf)) @@ -331,9 +315,11 @@ static int add_worktree(const char *path, const char *refname, strbuf_reset(&sb); strbuf_addf(&sb, "%s/gitdir", sb_repo.buf); - write_file(sb.buf, "%s", real_path(sb_git.buf)); + strbuf_realpath(&realpath, sb_git.buf, 1); + write_file(sb.buf, "%s", realpath.buf); + strbuf_realpath(&realpath, get_git_common_dir(), 1); write_file(sb_git.buf, "gitdir: %s/worktrees/%s", - real_path(get_git_common_dir()), name); + realpath.buf, name); /* * This is to keep resolve_ref() happy. We need a valid HEAD * or is_git_directory() will reject the directory. Any value which @@ -343,37 +329,37 @@ static int add_worktree(const char *path, const char *refname, */ strbuf_reset(&sb); strbuf_addf(&sb, "%s/HEAD", sb_repo.buf); - write_file(sb.buf, "%s", sha1_to_hex(null_sha1)); + write_file(sb.buf, "%s", oid_to_hex(null_oid())); strbuf_reset(&sb); strbuf_addf(&sb, "%s/commondir", sb_repo.buf); write_file(sb.buf, "../.."); - argv_array_pushf(&child_env, "%s=%s", GIT_DIR_ENVIRONMENT, sb_git.buf); - argv_array_pushf(&child_env, "%s=%s", GIT_WORK_TREE_ENVIRONMENT, path); + strvec_pushf(&child_env, "%s=%s", GIT_DIR_ENVIRONMENT, sb_git.buf); + strvec_pushf(&child_env, "%s=%s", GIT_WORK_TREE_ENVIRONMENT, path); cp.git_cmd = 1; if (!is_branch) - argv_array_pushl(&cp.args, "update-ref", "HEAD", - oid_to_hex(&commit->object.oid), NULL); + strvec_pushl(&cp.args, "update-ref", "HEAD", + oid_to_hex(&commit->object.oid), NULL); else { - argv_array_pushl(&cp.args, "symbolic-ref", "HEAD", - symref.buf, NULL); + strvec_pushl(&cp.args, "symbolic-ref", "HEAD", + symref.buf, NULL); if (opts->quiet) - argv_array_push(&cp.args, "--quiet"); + strvec_push(&cp.args, "--quiet"); } - cp.env = child_env.argv; + cp.env = child_env.v; ret = run_command(&cp); if (ret) goto done; if (opts->checkout) { cp.argv = NULL; - argv_array_clear(&cp.args); - argv_array_pushl(&cp.args, "reset", "--hard", NULL); + strvec_clear(&cp.args); + strvec_pushl(&cp.args, "reset", "--hard", "--no-recurse-submodules", NULL); if (opts->quiet) - argv_array_push(&cp.args, "--quiet"); - cp.env = child_env.argv; + strvec_push(&cp.args, "--quiet"); + cp.env = child_env.v; ret = run_command(&cp); if (ret) goto done; @@ -405,19 +391,21 @@ done: cp.env = env; cp.argv = NULL; cp.trace2_hook_name = "post-checkout"; - argv_array_pushl(&cp.args, absolute_path(hook), - oid_to_hex(&null_oid), - oid_to_hex(&commit->object.oid), - "1", NULL); + strvec_pushl(&cp.args, absolute_path(hook), + oid_to_hex(null_oid()), + oid_to_hex(&commit->object.oid), + "1", NULL); ret = run_command(&cp); } } - argv_array_clear(&child_env); + strvec_clear(&child_env); strbuf_release(&sb); strbuf_release(&symref); strbuf_release(&sb_repo); strbuf_release(&sb_git); + strbuf_release(&sb_name); + strbuf_release(&realpath); return ret; } @@ -456,16 +444,18 @@ static void print_preparing_worktree_line(int detach, static const char *dwim_branch(const char *path, const char **new_branch) { int n; + int branch_exists; const char *s = worktree_basename(path, &n); const char *branchname = xstrndup(s, n); struct strbuf ref = STRBUF_INIT; UNLEAK(branchname); - if (!strbuf_check_branch_ref(&ref, branchname) && - ref_exists(ref.buf)) { - strbuf_release(&ref); + + branch_exists = !strbuf_check_branch_ref(&ref, branchname) && + ref_exists(ref.buf); + strbuf_release(&ref); + if (branch_exists) return branchname; - } *new_branch = branchname; if (guess_remote) { @@ -485,6 +475,8 @@ static int add(int ac, const char **av, const char *prefix) const char *branch; const char *new_branch = NULL; const char *opt_track = NULL; + const char *lock_reason = NULL; + int keep_locked = 0; struct option options[] = { OPT__FORCE(&opts.force, N_("checkout <branch> even if already checked out in other worktree"), @@ -493,9 +485,11 @@ static int add(int ac, const char **av, const char *prefix) N_("create a new branch")), OPT_STRING('B', NULL, &new_branch_force, N_("branch"), N_("create or reset a branch")), - OPT_BOOL(0, "detach", &opts.detach, N_("detach HEAD at named commit")), + OPT_BOOL('d', "detach", &opts.detach, N_("detach HEAD at named commit")), OPT_BOOL(0, "checkout", &opts.checkout, N_("populate the new working tree")), - OPT_BOOL(0, "lock", &opts.keep_locked, N_("keep the new working tree locked")), + OPT_BOOL(0, "lock", &keep_locked, N_("keep the new working tree locked")), + OPT_STRING(0, "reason", &lock_reason, N_("string"), + N_("reason for locking")), OPT__QUIET(&opts.quiet, N_("suppress progress reporting")), OPT_PASSTHRU(0, "track", &opt_track, NULL, N_("set up tracking mode (see git-branch(1))"), @@ -510,6 +504,13 @@ static int add(int ac, const char **av, const char *prefix) ac = parse_options(ac, av, prefix, options, worktree_usage, 0); if (!!opts.detach + !!new_branch + !!new_branch_force > 1) die(_("-b, -B, and --detach are mutually exclusive")); + if (lock_reason && !keep_locked) + die(_("--reason requires --lock")); + if (lock_reason) + opts.keep_locked = lock_reason; + else if (keep_locked) + opts.keep_locked = _("added with --lock"); + if (ac < 1 || ac > 2) usage_with_options(worktree_usage, options); @@ -557,15 +558,15 @@ static int add(int ac, const char **av, const char *prefix) if (new_branch) { struct child_process cp = CHILD_PROCESS_INIT; cp.git_cmd = 1; - argv_array_push(&cp.args, "branch"); + strvec_push(&cp.args, "branch"); if (new_branch_force) - argv_array_push(&cp.args, "--force"); + strvec_push(&cp.args, "--force"); if (opts.quiet) - argv_array_push(&cp.args, "--quiet"); - argv_array_push(&cp.args, new_branch); - argv_array_push(&cp.args, branch); + strvec_push(&cp.args, "--quiet"); + strvec_push(&cp.args, new_branch); + strvec_push(&cp.args, branch); if (opt_track) - argv_array_push(&cp.args, opt_track); + strvec_push(&cp.args, opt_track); if (run_command(&cp)) return -1; branch = new_branch; @@ -580,6 +581,8 @@ static int add(int ac, const char **av, const char *prefix) static void show_worktree_porcelain(struct worktree *wt) { + const char *reason; + printf("worktree %s\n", wt->path); if (wt->is_bare) printf("bare\n"); @@ -590,6 +593,20 @@ static void show_worktree_porcelain(struct worktree *wt) else if (wt->head_ref) printf("branch %s\n", wt->head_ref); } + + reason = worktree_lock_reason(wt); + if (reason && *reason) { + struct strbuf sb = STRBUF_INIT; + quote_c_style(reason, &sb, NULL, 0); + printf("locked %s\n", sb.buf); + strbuf_release(&sb); + } else if (reason) + printf("locked\n"); + + reason = worktree_prune_reason(wt, expire); + if (reason) + printf("prunable %s\n", reason); + printf("\n"); } @@ -598,6 +615,7 @@ static void show_worktree(struct worktree *wt, int path_maxlen, int abbrev_len) struct strbuf sb = STRBUF_INIT; int cur_path_len = strlen(wt->path); int path_adj = cur_path_len - utf8_strwidth(wt->path); + const char *reason; strbuf_addf(&sb, "%-*s ", 1 + path_maxlen + path_adj, wt->path); if (wt->is_bare) @@ -614,8 +632,20 @@ static void show_worktree(struct worktree *wt, int path_maxlen, int abbrev_len) } else strbuf_addstr(&sb, "(error)"); } - printf("%s\n", sb.buf); + reason = worktree_lock_reason(wt); + if (verbose && reason && *reason) + strbuf_addf(&sb, "\n\tlocked: %s", reason); + else if (reason) + strbuf_addstr(&sb, " locked"); + + reason = worktree_prune_reason(wt, expire); + if (verbose && reason) + strbuf_addf(&sb, "\n\tprunable: %s", reason); + else if (reason) + strbuf_addstr(&sb, " prunable"); + + printf("%s\n", sb.buf); strbuf_release(&sb); } @@ -635,22 +665,48 @@ static void measure_widths(struct worktree **wt, int *abbrev, int *maxlen) } } +static int pathcmp(const void *a_, const void *b_) +{ + const struct worktree *const *a = a_; + const struct worktree *const *b = b_; + return fspathcmp((*a)->path, (*b)->path); +} + +static void pathsort(struct worktree **wt) +{ + int n = 0; + struct worktree **p = wt; + + while (*p++) + n++; + QSORT(wt, n, pathcmp); +} + static int list(int ac, const char **av, const char *prefix) { int porcelain = 0; struct option options[] = { OPT_BOOL(0, "porcelain", &porcelain, N_("machine-readable output")), + OPT__VERBOSE(&verbose, N_("show extended annotations and reasons, if available")), + OPT_EXPIRY_DATE(0, "expire", &expire, + N_("add 'prunable' annotation to worktrees older than <time>")), OPT_END() }; + expire = TIME_MAX; ac = parse_options(ac, av, prefix, options, worktree_usage, 0); if (ac) usage_with_options(worktree_usage, options); + else if (verbose && porcelain) + die(_("--verbose and --porcelain are mutually exclusive")); else { - struct worktree **worktrees = get_worktrees(GWT_SORT_LINKED); + struct worktree **worktrees = get_worktrees(); int path_maxlen = 0, abbrev = DEFAULT_ABBREV, i; + /* sort worktrees by path but keep main worktree at top */ + pathsort(worktrees + 1); + if (!porcelain) measure_widths(worktrees, &abbrev, &path_maxlen); @@ -679,7 +735,7 @@ static int lock_worktree(int ac, const char **av, const char *prefix) if (ac != 1) usage_with_options(worktree_usage, options); - worktrees = get_worktrees(0); + worktrees = get_worktrees(); wt = find_worktree(worktrees, prefix, av[0]); if (!wt) die(_("'%s' is not a working tree"), av[0]); @@ -712,7 +768,7 @@ static int unlock_worktree(int ac, const char **av, const char *prefix) if (ac != 1) usage_with_options(worktree_usage, options); - worktrees = get_worktrees(0); + worktrees = get_worktrees(); wt = find_worktree(worktrees, prefix, av[0]); if (!wt) die(_("'%s' is not a working tree"), av[0]); @@ -786,7 +842,7 @@ static int move_worktree(int ac, const char **av, const char *prefix) strbuf_addstr(&dst, path); free(path); - worktrees = get_worktrees(0); + worktrees = get_worktrees(); wt = find_worktree(worktrees, prefix, av[0]); if (!wt) die(_("'%s' is not a working tree"), av[0]); @@ -801,8 +857,7 @@ static int move_worktree(int ac, const char **av, const char *prefix) strbuf_trim_trailing_dir_sep(&dst); strbuf_addstr(&dst, sep); } - if (file_exists(dst.buf)) - die(_("target '%s' already exists"), dst.buf); + check_candidate_path(dst.buf, force, worktrees, "move"); validate_no_submodules(wt); @@ -843,7 +898,6 @@ static int move_worktree(int ac, const char **av, const char *prefix) static void check_clean_worktree(struct worktree *wt, const char *original_path) { - struct argv_array child_env = ARGV_ARRAY_INIT; struct child_process cp; char buf[1]; int ret; @@ -854,15 +908,14 @@ static void check_clean_worktree(struct worktree *wt, */ validate_no_submodules(wt); - argv_array_pushf(&child_env, "%s=%s/.git", - GIT_DIR_ENVIRONMENT, wt->path); - argv_array_pushf(&child_env, "%s=%s", - GIT_WORK_TREE_ENVIRONMENT, wt->path); - memset(&cp, 0, sizeof(cp)); - argv_array_pushl(&cp.args, "status", - "--porcelain", "--ignore-submodules=none", - NULL); - cp.env = child_env.argv; + child_process_init(&cp); + strvec_pushf(&cp.env_array, "%s=%s/.git", + GIT_DIR_ENVIRONMENT, wt->path); + strvec_pushf(&cp.env_array, "%s=%s", + GIT_WORK_TREE_ENVIRONMENT, wt->path); + strvec_pushl(&cp.args, "status", + "--porcelain", "--ignore-submodules=none", + NULL); cp.git_cmd = 1; cp.dir = wt->path; cp.out = -1; @@ -872,7 +925,7 @@ static void check_clean_worktree(struct worktree *wt, original_path); ret = xread(cp.out, buf, sizeof(buf)); if (ret) - die(_("'%s' is dirty, use --force to delete it"), + die(_("'%s' contains modified or untracked files, use --force to delete it"), original_path); close(cp.out); ret = finish_command(&cp); @@ -913,7 +966,7 @@ static int remove_worktree(int ac, const char **av, const char *prefix) if (ac != 1) usage_with_options(worktree_usage, options); - worktrees = get_worktrees(0); + worktrees = get_worktrees(); wt = find_worktree(worktrees, prefix, av[0]); if (!wt) die(_("'%s' is not a working tree"), av[0]); @@ -949,6 +1002,34 @@ static int remove_worktree(int ac, const char **av, const char *prefix) return ret; } +static void report_repair(int iserr, const char *path, const char *msg, void *cb_data) +{ + if (!iserr) { + printf_ln(_("repair: %s: %s"), msg, path); + } else { + int *exit_status = (int *)cb_data; + fprintf_ln(stderr, _("error: %s: %s"), msg, path); + *exit_status = 1; + } +} + +static int repair(int ac, const char **av, const char *prefix) +{ + const char **p; + const char *self[] = { ".", NULL }; + struct option options[] = { + OPT_END() + }; + int rc = 0; + + ac = parse_options(ac, av, prefix, options, worktree_usage, 0); + p = ac > 0 ? av : self; + for (; *p; p++) + repair_worktree_at_path(*p, report_repair, &rc); + repair_worktrees(report_repair, &rc); + return rc; +} + int cmd_worktree(int ac, const char **av, const char *prefix) { struct option options[] = { @@ -975,5 +1056,7 @@ int cmd_worktree(int ac, const char **av, const char *prefix) return move_worktree(ac - 1, av + 1, prefix); if (!strcmp(av[1], "remove")) return remove_worktree(ac - 1, av + 1, prefix); + if (!strcmp(av[1], "repair")) + return repair(ac - 1, av + 1, prefix); usage_with_options(worktree_usage, options); } diff --git a/builtin/write-tree.c b/builtin/write-tree.c index 3d46d22ee5..45d61707e7 100644 --- a/builtin/write-tree.c +++ b/builtin/write-tree.c @@ -16,16 +16,16 @@ static const char * const write_tree_usage[] = { NULL }; -int cmd_write_tree(int argc, const char **argv, const char *unused_prefix) +int cmd_write_tree(int argc, const char **argv, const char *cmd_prefix) { int flags = 0, ret; - const char *prefix = NULL; + const char *tree_prefix = NULL; struct object_id oid; const char *me = "git-write-tree"; struct option write_tree_options[] = { OPT_BIT(0, "missing-ok", &flags, N_("allow missing objects"), WRITE_TREE_MISSING_OK), - OPT_STRING(0, "prefix", &prefix, N_("<prefix>/"), + OPT_STRING(0, "prefix", &tree_prefix, N_("<prefix>/"), N_("write tree object for a subdirectory <prefix>")), { OPTION_BIT, 0, "ignore-cache-tree", &flags, NULL, N_("only useful for debugging"), @@ -35,10 +35,10 @@ int cmd_write_tree(int argc, const char **argv, const char *unused_prefix) }; git_config(git_default_config, NULL); - argc = parse_options(argc, argv, unused_prefix, write_tree_options, + argc = parse_options(argc, argv, cmd_prefix, write_tree_options, write_tree_usage, 0); - ret = write_cache_as_tree(&oid, flags, prefix); + ret = write_cache_as_tree(&oid, flags, tree_prefix); switch (ret) { case 0: printf("%s\n", oid_to_hex(&oid)); @@ -50,7 +50,7 @@ int cmd_write_tree(int argc, const char **argv, const char *unused_prefix) die("%s: error building trees", me); break; case WRITE_TREE_PREFIX_ERROR: - die("%s: prefix %s not found", me, prefix); + die("%s: prefix %s not found", me, tree_prefix); break; } return ret; |