diff options
Diffstat (limited to 'builtin')
35 files changed, 1544 insertions, 621 deletions
diff --git a/builtin/apply.c b/builtin/apply.c index f2edc52818..84a8a0b521 100644 --- a/builtin/apply.c +++ b/builtin/apply.c @@ -1407,6 +1407,9 @@ static int find_header(char *line, unsigned long size, int *hdrsize, struct patc "%d leading pathname components (line %d)" , p_value, linenr); patch->old_name = patch->new_name = patch->def_name; } + if (!patch->is_delete && !patch->new_name) + die("git diff header lacks filename information " + "(line %d)", linenr); patch->is_toplevel_relative = 1; *hdrsize = git_hdr_len; return offset; @@ -2447,6 +2450,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag, char *old, *oldlines; struct strbuf newlines; int new_blank_lines_at_end = 0; + int found_new_blank_lines_at_end = 0; + int hunk_linenr = frag->linenr; unsigned long leading, trailing; int pos, applied_pos; struct image preimage; @@ -2540,14 +2545,18 @@ static int apply_one_fragment(struct image *img, struct fragment *frag, error("invalid start of line: '%c'", first); return -1; } - if (added_blank_line) + if (added_blank_line) { + if (!new_blank_lines_at_end) + found_new_blank_lines_at_end = hunk_linenr; new_blank_lines_at_end++; + } else if (is_blank_context) ; else new_blank_lines_at_end = 0; patch += len; size -= len; + hunk_linenr++; } if (inaccurate_eof && old > oldlines && old[-1] == '\n' && @@ -2629,7 +2638,8 @@ static int apply_one_fragment(struct image *img, struct fragment *frag, preimage.nr + applied_pos >= img->nr && (ws_rule & WS_BLANK_AT_EOF) && ws_error_action != nowarn_ws_error) { - record_ws_error(WS_BLANK_AT_EOF, "+", 1, frag->linenr); + record_ws_error(WS_BLANK_AT_EOF, "+", 1, + found_new_blank_lines_at_end); if (ws_error_action == correct_ws_error) { while (new_blank_lines_at_end--) remove_last_line(&postimage); @@ -3831,7 +3841,6 @@ int cmd_apply(int argc, const char **argv, const char *prefix_) int i; int errs = 0; int is_not_gitdir = !startup_info->have_repository; - int binary; int force_apply = 0; const char *whitespace_option = NULL; @@ -3850,12 +3859,8 @@ int cmd_apply(int argc, const char **argv, const char *prefix_) "ignore additions made by the patch"), OPT_BOOLEAN(0, "stat", &diffstat, "instead of applying the patch, output diffstat for the input"), - { OPTION_BOOLEAN, 0, "allow-binary-replacement", &binary, - NULL, "old option, now no-op", - PARSE_OPT_HIDDEN | PARSE_OPT_NOARG }, - { OPTION_BOOLEAN, 0, "binary", &binary, - NULL, "old option, now no-op", - PARSE_OPT_HIDDEN | PARSE_OPT_NOARG }, + OPT_NOOP_NOARG(0, "allow-binary-replacement"), + OPT_NOOP_NOARG(0, "binary"), OPT_BOOLEAN(0, "numstat", &numstat, "shows number of added and deleted lines in decimal notation"), OPT_BOOLEAN(0, "summary", &summary, diff --git a/builtin/archive.c b/builtin/archive.c index 883c0092ad..931956def9 100644 --- a/builtin/archive.c +++ b/builtin/archive.c @@ -61,6 +61,8 @@ static int run_remote_archiver(int argc, const char **argv, if (strcmp(buf, "ACK")) { if (len > 5 && !prefixcmp(buf, "NACK ")) die(_("git archive: NACK %s"), buf + 5); + if (len > 4 && !prefixcmp(buf, "ERR ")) + die(_("remote error: %s"), buf + 4); die(_("git archive: protocol error")); } diff --git a/builtin/blame.c b/builtin/blame.c index 26a5d424b8..80febbe420 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -2096,6 +2096,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, if (!contents_from || strcmp("-", contents_from)) { struct stat st; const char *read_from; + char *buf_ptr; unsigned long buf_len; if (contents_from) { @@ -2113,8 +2114,8 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt, switch (st.st_mode & S_IFMT) { case S_IFREG: if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) && - textconv_object(read_from, mode, null_sha1, &buf.buf, &buf_len)) - buf.len = buf_len; + textconv_object(read_from, mode, null_sha1, &buf_ptr, &buf_len)) + strbuf_attach(&buf, buf_ptr, buf_len, buf_len + 1); else if (strbuf_read_file(&buf, read_from, st.st_size) != st.st_size) die_errno("cannot open or read '%s'", read_from); break; diff --git a/builtin/branch.c b/builtin/branch.c index f49596f826..55cad766c7 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -260,9 +260,22 @@ static char *resolve_symref(const char *src, const char *prefix) struct append_ref_cb { struct ref_list *ref_list; + const char **pattern; int ret; }; +static int match_patterns(const char **pattern, const char *refname) +{ + if (!*pattern) + return 1; /* no pattern always matches */ + while (*pattern) { + if (!fnmatch(*pattern, refname, 0)) + return 1; + pattern++; + } + return 0; +} + static int append_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { struct append_ref_cb *cb = (struct append_ref_cb *)(cb_data); @@ -297,6 +310,9 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags, if ((kind & ref_list->kinds) == 0) return 0; + if (!match_patterns(cb->pattern, refname)) + return 0; + commit = NULL; if (ref_list->verbose || ref_list->with_commit || merge_filter != NO_FILTER) { commit = lookup_commit_reference_gently(sha1, 1); @@ -492,7 +508,7 @@ static void show_detached(struct ref_list *ref_list) } } -static int print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit) +static int print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit, const char **pattern) { int i; struct append_ref_cb cb; @@ -506,6 +522,7 @@ static int print_ref_list(int kinds, int detached, int verbose, int abbrev, stru if (merge_filter != NO_FILTER) init_revisions(&ref_list.revs, NULL); cb.ref_list = &ref_list; + cb.pattern = pattern; cb.ret = 0; for_each_rawref(append_ref, &cb); if (merge_filter != NO_FILTER) { @@ -523,7 +540,7 @@ static int print_ref_list(int kinds, int detached, int verbose, int abbrev, stru qsort(ref_list.list, ref_list.index, sizeof(struct ref_item), ref_cmp); detached = (detached && (kinds & REF_LOCAL_BRANCH)); - if (detached) + if (detached && match_patterns(pattern, "HEAD")) show_detached(&ref_list); for (i = 0; i < ref_list.index; i++) { @@ -608,7 +625,7 @@ static int opt_parse_merge_filter(const struct option *opt, const char *arg, int int cmd_branch(int argc, const char **argv, const char *prefix) { - int delete = 0, rename = 0, force_create = 0; + int delete = 0, rename = 0, force_create = 0, list = 0; int verbose = 0, abbrev = -1, detached = 0; int reflog = 0; enum branch_track track; @@ -624,7 +641,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPT_SET_INT( 0, "set-upstream", &track, "change upstream info", BRANCH_TRACK_OVERRIDE), OPT__COLOR(&branch_use_color, "use colored output"), - OPT_SET_INT('r', NULL, &kinds, "act on remote-tracking branches", + OPT_SET_INT('r', "remotes", &kinds, "act on remote-tracking branches", REF_REMOTE_BRANCH), { OPTION_CALLBACK, 0, "contains", &with_commit, "commit", @@ -641,13 +658,14 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPT__ABBREV(&abbrev), OPT_GROUP("Specific git-branch actions:"), - OPT_SET_INT('a', NULL, &kinds, "list both remote-tracking and local branches", + OPT_SET_INT('a', "all", &kinds, "list both remote-tracking and local branches", REF_REMOTE_BRANCH | REF_LOCAL_BRANCH), - OPT_BIT('d', NULL, &delete, "delete fully merged branch", 1), + OPT_BIT('d', "delete", &delete, "delete fully merged branch", 1), OPT_BIT('D', NULL, &delete, "delete branch (even if not merged)", 2), - OPT_BIT('m', NULL, &rename, "move/rename a branch and its reflog", 1), + OPT_BIT('m', "move", &rename, "move/rename a branch and its reflog", 1), OPT_BIT('M', NULL, &rename, "move/rename a branch, even if target exists", 2), - OPT_BOOLEAN('l', NULL, &reflog, "create the branch's reflog"), + OPT_BOOLEAN(0, "list", &list, "list branch names"), + OPT_BOOLEAN('l', "create-reflog", &reflog, "create the branch's reflog"), OPT__FORCE(&force_create, "force creation (when already exists)"), { OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref, @@ -686,7 +704,11 @@ int cmd_branch(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, options, builtin_branch_usage, 0); - if (!!delete + !!rename + !!force_create > 1) + + if (!delete && !rename && argc == 0) + list = 1; + + if (!!delete + !!rename + !!force_create + !!list > 1) usage_with_options(builtin_branch_usage, options); if (abbrev == -1) @@ -694,13 +716,17 @@ int cmd_branch(int argc, const char **argv, const char *prefix) if (delete) return delete_branches(argc, argv, delete > 1, kinds); - else if (argc == 0) - return print_ref_list(kinds, detached, verbose, abbrev, with_commit); - else if (rename && (argc == 1)) - rename_branch(head, argv[0], rename > 1); - else if (rename && (argc == 2)) - rename_branch(argv[0], argv[1], rename > 1); - else if (argc <= 2) { + else if (list) + return print_ref_list(kinds, detached, verbose, abbrev, + with_commit, argv); + else if (rename) { + if (argc == 1) + rename_branch(head, argv[0], rename > 1); + else if (argc == 2) + rename_branch(argv[0], argv[1], rename > 1); + else + usage_with_options(builtin_branch_usage, options); + } else if (argc > 0 && argc <= 2) { if (kinds != REF_LOCAL_BRANCH) die(_("-a and -r options to 'git branch' do not make sense with a branch name")); create_branch(head, argv[0], (argc == 2) ? argv[1] : head, diff --git a/builtin/bundle.c b/builtin/bundle.c index 81046a9cb8..92a8a6026a 100644 --- a/builtin/bundle.c +++ b/builtin/bundle.c @@ -58,7 +58,7 @@ int cmd_bundle(int argc, const char **argv, const char *prefix) } else if (!strcmp(cmd, "unbundle")) { if (!startup_info->have_repository) die(_("Need a repository to unbundle.")); - return !!unbundle(&header, bundle_fd) || + return !!unbundle(&header, bundle_fd, 0) || list_bundle_refs(&header, argc, argv); } else usage(builtin_bundle_usage); diff --git a/builtin/check-attr.c b/builtin/check-attr.c index 708988a0e1..44c421eb0f 100644 --- a/builtin/check-attr.c +++ b/builtin/check-attr.c @@ -5,6 +5,7 @@ #include "parse-options.h" static int all_attrs; +static int cached_attrs; static int stdin_paths; static const char * const check_attr_usage[] = { "git check-attr [-a | --all | attr...] [--] pathname...", @@ -16,6 +17,7 @@ static int null_term_line; static const struct option check_attr_options[] = { OPT_BOOLEAN('a', "all", &all_attrs, "report all attributes set on file"), + OPT_BOOLEAN(0, "cached", &cached_attrs, "use .gitattributes only from the index"), OPT_BOOLEAN(0 , "stdin", &stdin_paths, "read file names from stdin"), OPT_BOOLEAN('z', NULL, &null_term_line, "input paths are terminated by a null character"), @@ -92,6 +94,8 @@ int cmd_check_attr(int argc, const char **argv, const char *prefix) struct git_attr_check *check; int cnt, i, doubledash, filei; + git_config(git_default_config, NULL); + argc = parse_options(argc, argv, prefix, check_attr_options, check_attr_usage, PARSE_OPT_KEEP_DASHDASH); @@ -99,6 +103,9 @@ int cmd_check_attr(int argc, const char **argv, const char *prefix) die("invalid cache"); } + if (cached_attrs) + git_attr_set_direction(GIT_ATTR_INDEX, NULL); + doubledash = -1; for (i = 0; doubledash < 0 && i < argc; i++) { if (!strcmp(argv[i], "--")) diff --git a/builtin/check-ref-format.c b/builtin/check-ref-format.c index 0723cf245e..28a7320271 100644 --- a/builtin/check-ref-format.c +++ b/builtin/check-ref-format.c @@ -8,29 +8,32 @@ #include "strbuf.h" static const char builtin_check_ref_format_usage[] = -"git check-ref-format [--print] <refname>\n" +"git check-ref-format [--normalize] [options] <refname>\n" " or: git check-ref-format --branch <branchname-shorthand>"; /* - * Remove leading slashes and replace each run of adjacent slashes in - * src with a single slash, and write the result to dst. + * Return a copy of refname but with leading slashes removed and runs + * of adjacent slashes replaced with single slashes. * * This function is similar to normalize_path_copy(), but stripped down * to meet check_ref_format's simpler needs. */ -static void collapse_slashes(char *dst, const char *src) +static char *collapse_slashes(const char *refname) { + char *ret = xmalloc(strlen(refname) + 1); char ch; char prev = '/'; + char *cp = ret; - while ((ch = *src++) != '\0') { + while ((ch = *refname++) != '\0') { if (prev == '/' && ch == prev) continue; - *dst++ = ch; + *cp++ = ch; prev = ch; } - *dst = '\0'; + *cp = '\0'; + return ret; } static int check_ref_format_branch(const char *arg) @@ -45,27 +48,41 @@ static int check_ref_format_branch(const char *arg) return 0; } -static int check_ref_format_print(const char *arg) -{ - char *refname = xmalloc(strlen(arg) + 1); - - if (check_ref_format(arg)) - return 1; - collapse_slashes(refname, arg); - printf("%s\n", refname); - return 0; -} - int cmd_check_ref_format(int argc, const char **argv, const char *prefix) { + int i; + int normalize = 0; + int flags = 0; + const char *refname; + if (argc == 2 && !strcmp(argv[1], "-h")) usage(builtin_check_ref_format_usage); if (argc == 3 && !strcmp(argv[1], "--branch")) return check_ref_format_branch(argv[2]); - if (argc == 3 && !strcmp(argv[1], "--print")) - return check_ref_format_print(argv[2]); - if (argc != 2) + + for (i = 1; i < argc && argv[i][0] == '-'; i++) { + if (!strcmp(argv[i], "--normalize") || !strcmp(argv[i], "--print")) + normalize = 1; + else if (!strcmp(argv[i], "--allow-onelevel")) + flags |= REFNAME_ALLOW_ONELEVEL; + else if (!strcmp(argv[i], "--no-allow-onelevel")) + flags &= ~REFNAME_ALLOW_ONELEVEL; + else if (!strcmp(argv[i], "--refspec-pattern")) + flags |= REFNAME_REFSPEC_PATTERN; + else + usage(builtin_check_ref_format_usage); + } + if (! (i == argc - 1)) usage(builtin_check_ref_format_usage); - return !!check_ref_format(argv[1]); + + refname = argv[i]; + if (normalize) + refname = collapse_slashes(refname); + if (check_refname_format(refname, flags)) + return 1; + if (normalize) + printf("%s\n", refname); + + return 0; } diff --git a/builtin/checkout.c b/builtin/checkout.c index 5e356a6c61..2a80772425 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -19,6 +19,7 @@ #include "ll-merge.h" #include "resolve-undo.h" #include "submodule.h" +#include "argv-array.h" static const char * const checkout_usage[] = { "git checkout [options] <branch>", @@ -71,7 +72,7 @@ static int update_some(const unsigned char *sha1, const char *base, int baselen, hashcpy(ce->sha1, sha1); memcpy(ce->name, base, baselen); memcpy(ce->name + baselen, pathname, len - baselen); - ce->ce_flags = create_ce_flags(len, 0); + ce->ce_flags = create_ce_flags(len, 0) | CE_UPDATE; ce->ce_mode = create_ce_mode(mode); add_cache_entry(ce, ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE); return 0; @@ -228,6 +229,8 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec, for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; + if (source_tree && !(ce->ce_flags & CE_UPDATE)) + continue; match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, ps_matched); } @@ -266,6 +269,8 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec, state.refresh_cache = 1; for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; + if (source_tree && !(ce->ce_flags & CE_UPDATE)) + continue; if (match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, NULL)) { if (!ce_stage(ce)) { errs |= checkout_entry(ce, &state, NULL); @@ -588,35 +593,11 @@ static void update_refs_for_switch(struct checkout_opts *opts, report_tracking(new); } -struct rev_list_args { - int argc; - int alloc; - const char **argv; -}; - -static void add_one_rev_list_arg(struct rev_list_args *args, const char *s) -{ - ALLOC_GROW(args->argv, args->argc + 1, args->alloc); - args->argv[args->argc++] = s; -} - -static int add_one_ref_to_rev_list_arg(const char *refname, - const unsigned char *sha1, - int flags, - void *cb_data) -{ - add_one_rev_list_arg(cb_data, refname); - return 0; -} - -static int clear_commit_marks_from_one_ref(const char *refname, - const unsigned char *sha1, - int flags, - void *cb_data) +static int add_pending_uninteresting_ref(const char *refname, + const unsigned char *sha1, + int flags, void *cb_data) { - struct commit *commit = lookup_commit_reference_gently(sha1, 1); - if (commit) - clear_commit_marks(commit, -1); + add_pending_sha1(cb_data, refname, sha1, flags | UNINTERESTING); return 0; } @@ -685,19 +666,21 @@ static void suggest_reattach(struct commit *commit, struct rev_info *revs) */ static void orphaned_commit_warning(struct commit *commit) { - struct rev_list_args args = { 0, 0, NULL }; struct rev_info revs; - - add_one_rev_list_arg(&args, "(internal)"); - add_one_rev_list_arg(&args, sha1_to_hex(commit->object.sha1)); - add_one_rev_list_arg(&args, "--not"); - for_each_ref(add_one_ref_to_rev_list_arg, &args); - add_one_rev_list_arg(&args, "--"); - add_one_rev_list_arg(&args, NULL); + struct object *object = &commit->object; + struct object_array refs; init_revisions(&revs, NULL); - if (setup_revisions(args.argc - 1, args.argv, &revs, NULL) != 1) - die(_("internal error: only -- alone should have been left")); + setup_revisions(0, NULL, &revs, NULL); + + object->flags &= ~UNINTERESTING; + add_pending_object(&revs, object, sha1_to_hex(object->sha1)); + + for_each_ref(add_pending_uninteresting_ref, &revs); + + refs = revs.pending; + revs.leak_pending = 1; + if (prepare_revision_walk(&revs)) die(_("internal error in revision walk")); if (!(commit->object.flags & UNINTERESTING)) @@ -705,8 +688,8 @@ static void orphaned_commit_warning(struct commit *commit) else describe_detached_head(_("Previous HEAD position was"), commit); - clear_commit_marks(commit, -1); - for_each_ref(clear_commit_marks_from_one_ref, NULL); + clear_commit_marks_for_object_array(&refs, ALL_REV_FLAGS); + free(refs.objects); } static int switch_branches(struct checkout_opts *opts, struct branch_info *new) @@ -882,7 +865,7 @@ static int parse_branchname_arg(int argc, const char **argv, new->name = arg; setup_branch_path(new); - if (check_ref_format(new->path) == CHECK_REF_FORMAT_OK && + if (!check_refname_format(new->path, 0) && resolve_ref(new->path, branch_rev, 1, NULL)) hashcpy(rev, branch_rev); else diff --git a/builtin/clone.c b/builtin/clone.c index 488f48e9a5..efe8b6cce5 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -577,9 +577,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix) if (0 <= option_verbosity) { if (option_bare) - printf(_("Cloning into bare repository %s...\n"), dir); + printf(_("Cloning into bare repository '%s'...\n"), dir); else - printf(_("Cloning into %s...\n"), dir); + printf(_("Cloning into '%s'...\n"), dir); } init_db(option_template, INIT_DB_QUIET); write_config(&option_config); diff --git a/builtin/commit.c b/builtin/commit.c index cbc9613ec6..8f2bebecf3 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -255,8 +255,9 @@ static int list_paths(struct string_list *list, const char *with_tree, m = xcalloc(1, i); if (with_tree) { - const char *max_prefix = pathspec_prefix(prefix, pattern); - overlay_tree_on_cache(with_tree, max_prefix); + char *max_prefix = common_prefix(pattern); + overlay_tree_on_cache(with_tree, max_prefix ? max_prefix : prefix); + free(max_prefix); } for (i = 0; i < active_nr; i++) { @@ -1392,7 +1393,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) if (get_sha1("HEAD", sha1)) current_head = NULL; else { - current_head = lookup_commit(sha1); + current_head = lookup_commit_or_die(sha1, "HEAD"); if (!current_head || parse_commit(current_head)) die(_("could not parse HEAD commit")); } @@ -1424,6 +1425,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) pptr = &commit_list_insert(c->item, pptr)->next; } else if (whence == FROM_MERGE) { struct strbuf m = STRBUF_INIT; + struct commit *commit; FILE *fp; if (!reflog_msg) @@ -1437,7 +1439,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix) unsigned char sha1[20]; if (get_sha1_hex(m.buf, sha1) < 0) die(_("Corrupt MERGE_HEAD file (%s)"), m.buf); - pptr = &commit_list_insert(lookup_commit(sha1), pptr)->next; + commit = lookup_commit_or_die(sha1, "MERGE_HEAD"); + pptr = &commit_list_insert(commit, pptr)->next; } fclose(fp); strbuf_release(&m); @@ -1511,6 +1514,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) } unlink(git_path("CHERRY_PICK_HEAD")); + unlink(git_path("REVERT_HEAD")); unlink(git_path("MERGE_HEAD")); unlink(git_path("MERGE_MSG")); unlink(git_path("MERGE_MODE")); diff --git a/builtin/config.c b/builtin/config.c index 0b4ecac855..0315ad76f8 100644 --- a/builtin/config.c +++ b/builtin/config.c @@ -99,6 +99,7 @@ static int show_config(const char *key_, const char *value_, void *cb) const char *vptr = value; int must_free_vptr = 0; int dup_error = 0; + int must_print_delim = 0; if (!use_key_regexp && strcmp(key_, key)) return 0; @@ -109,10 +110,8 @@ static int show_config(const char *key_, const char *value_, void *cb) return 0; if (show_keys) { - if (value_) - printf("%s%c", key_, key_delim); - else - printf("%s", key_); + printf("%s", key_); + must_print_delim = 1; } if (seen && !do_all) dup_error = 1; @@ -130,16 +129,23 @@ static int show_config(const char *key_, const char *value_, void *cb) } else if (types == TYPE_PATH) { git_config_pathname(&vptr, key_, value_); must_free_vptr = 1; + } else if (value_) { + vptr = value_; + } else { + /* Just show the key name */ + vptr = ""; + must_print_delim = 0; } - else - vptr = value_?value_:""; seen++; if (dup_error) { error("More than one value for the key %s: %s", key_, vptr); } - else + else { + if (must_print_delim) + printf("%c", key_delim); printf("%s%c", vptr, term); + } if (must_free_vptr) /* If vptr must be freed, it's a pointer to a * dynamically allocated buffer, it's safe to cast to diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c index 412bd327b5..c6bc8eb0aa 100644 --- a/builtin/fetch-pack.c +++ b/builtin/fetch-pack.c @@ -15,7 +15,9 @@ static int transfer_unpack_limit = -1; static int fetch_unpack_limit = -1; static int unpack_limit = 100; static int prefer_ofs_delta = 1; -static int no_done = 0; +static int no_done; +static int fetch_fsck_objects = -1; +static int transfer_fsck_objects = -1; static struct fetch_pack_args args = { /* .uploadpack = */ "git-upload-pack", }; @@ -544,7 +546,7 @@ static void filter_refs(struct ref **refs, int nr_match, char **match) for (ref = *refs; ref; ref = next) { next = ref->next; if (!memcmp(ref->name, "refs/", 5) && - check_ref_format(ref->name + 5)) + check_refname_format(ref->name + 5, 0)) ; /* trash */ else if (args.fetch_all && (!args.depth || prefixcmp(ref->name, "refs/tags/") )) { @@ -734,6 +736,12 @@ static int get_pack(int xd[2], char **pack_lockfile) } if (*hdr_arg) *av++ = hdr_arg; + if (fetch_fsck_objects >= 0 + ? fetch_fsck_objects + : transfer_fsck_objects >= 0 + ? transfer_fsck_objects + : 0) + *av++ = "--strict"; *av++ = NULL; cmd.in = demux.out; @@ -853,6 +861,16 @@ static int fetch_pack_config(const char *var, const char *value, void *cb) return 0; } + if (!strcmp(var, "fetch.fsckobjects")) { + fetch_fsck_objects = git_config_bool(var, value); + return 0; + } + + if (!strcmp(var, "transfer.fsckobjects")) { + transfer_fsck_objects = git_config_bool(var, value); + return 0; + } + return git_default_config(var, value, cb); } diff --git a/builtin/fetch.c b/builtin/fetch.c index e422ced929..91731b909a 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -13,6 +13,7 @@ #include "sigchain.h" #include "transport.h" #include "submodule.h" +#include "connected.h" static const char * const builtin_fetch_usage[] = { "git fetch [<options>] [<repository> [<refspec>...]]", @@ -345,6 +346,18 @@ static int update_local_ref(struct ref *ref, } } +static int iterate_ref_map(void *cb_data, unsigned char sha1[20]) +{ + struct ref **rm = cb_data; + struct ref *ref = *rm; + + if (!ref) + return -1; /* end of the list */ + *rm = ref->next; + hashcpy(sha1, ref->old_sha1); + return 0; +} + static int store_updated_refs(const char *raw_url, const char *remote_name, struct ref *ref_map) { @@ -364,6 +377,13 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, url = transport_anonymize_url(raw_url); else url = xstrdup("foreign"); + + rm = ref_map; + if (check_everything_connected(iterate_ref_map, 0, &rm)) { + rc = error(_("%s did not send all necessary objects\n"), url); + goto abort; + } + for (rm = ref_map; rm; rm = rm->next) { struct ref *ref = NULL; @@ -444,12 +464,15 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, fprintf(stderr, " %s\n", note); } } - free(url); - fclose(fp); + 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); + + abort: + free(url); + fclose(fp); return rc; } @@ -457,23 +480,10 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, * We would want to bypass the object transfer altogether if * everything we are going to fetch already exists and is connected * locally. - * - * The refs we are going to fetch are in ref_map. If running - * - * $ git rev-list --objects --stdin --not --all - * - * (feeding all the refs in ref_map on its standard input) - * does not error out, that means everything reachable from the - * refs we are going to fetch exists and is connected to some of - * our existing refs. */ static int quickfetch(struct ref *ref_map) { - struct child_process revlist; - struct ref *ref; - int err; - const char *argv[] = {"rev-list", - "--quiet", "--objects", "--stdin", "--not", "--all", NULL}; + struct ref *rm = ref_map; /* * If we are deepening a shallow clone we already have these @@ -484,47 +494,7 @@ static int quickfetch(struct ref *ref_map) */ if (depth) return -1; - - if (!ref_map) - return 0; - - memset(&revlist, 0, sizeof(revlist)); - revlist.argv = argv; - revlist.git_cmd = 1; - revlist.no_stdout = 1; - revlist.no_stderr = 1; - revlist.in = -1; - - err = start_command(&revlist); - if (err) { - error(_("could not run rev-list")); - return err; - } - - /* - * If rev-list --stdin encounters an unknown commit, it terminates, - * which will cause SIGPIPE in the write loop below. - */ - sigchain_push(SIGPIPE, SIG_IGN); - - for (ref = ref_map; ref; ref = ref->next) { - if (write_in_full(revlist.in, sha1_to_hex(ref->old_sha1), 40) < 0 || - write_str_in_full(revlist.in, "\n") < 0) { - if (errno != EPIPE && errno != EINVAL) - error(_("failed write to rev-list: %s"), strerror(errno)); - err = -1; - break; - } - } - - if (close(revlist.in)) { - error(_("failed to close rev-list's stdin: %s"), strerror(errno)); - err = -1; - } - - sigchain_pop(SIGPIPE); - - return finish_command(&revlist) || err; + return check_everything_connected(iterate_ref_map, 1, &rm); } static int fetch_refs(struct transport *transport, struct ref *ref_map) @@ -540,10 +510,10 @@ static int fetch_refs(struct transport *transport, struct ref *ref_map) return ret; } -static int prune_refs(struct transport *transport, struct ref *ref_map) +static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map) { int result = 0; - struct ref *ref, *stale_refs = get_stale_heads(transport->remote, ref_map); + struct ref *ref, *stale_refs = get_stale_heads(refs, ref_count, ref_map); const char *dangling_msg = dry_run ? _(" (%s will become dangling)\n") : _(" (%s has become dangling)\n"); @@ -734,8 +704,31 @@ static int do_fetch(struct transport *transport, free_refs(ref_map); return 1; } - if (prune) - prune_refs(transport, ref_map); + if (prune) { + /* If --tags was specified, pretend the user gave us the canonical tags refspec */ + if (tags == TAGS_SET) { + const char *tags_str = "refs/tags/*:refs/tags/*"; + struct refspec *tags_refspec, *refspec; + + /* Copy the refspec and add the tags to it */ + refspec = xcalloc(ref_count + 1, sizeof(struct refspec)); + tags_refspec = parse_fetch_refspec(1, &tags_str); + memcpy(refspec, refs, ref_count * sizeof(struct refspec)); + memcpy(&refspec[ref_count], tags_refspec, sizeof(struct refspec)); + ref_count++; + + prune_refs(refspec, ref_count, ref_map); + + ref_count--; + /* The rest of the strings belong to fetch_one */ + free_refspec(1, tags_refspec); + free(refspec); + } else if (ref_count) { + prune_refs(refs, ref_count, ref_map); + } else { + prune_refs(transport->remote->fetch, transport->remote->fetch_refspec_nr, ref_map); + } + } free_refs(ref_map); /* if neither --no-tags nor --tags was specified, do automated tag @@ -918,7 +911,7 @@ static int fetch_one(struct remote *remote, int argc, const char **argv) atexit(unlock_pack); refspec = parse_fetch_refspec(ref_nr, refs); exit_code = do_fetch(transport, refspec, ref_nr); - free(refspec); + free_refspec(ref_nr, refspec); transport_disconnect(transport); transport = NULL; return exit_code; diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c index 75816329d6..7e2f22589d 100644 --- a/builtin/fmt-merge-msg.c +++ b/builtin/fmt-merge-msg.c @@ -293,7 +293,7 @@ static int do_fmt_merge_msg(int merge_title, struct strbuf *in, struct commit *head; struct rev_info rev; - head = lookup_commit(head_sha1); + head = lookup_commit_or_die(head_sha1, "HEAD"); init_revisions(&rev, NULL); rev.commit_format = CMIT_FMT_ONELINE; rev.ignore_merges = 1; diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c index 89e75c6894..d90e5d2b29 100644 --- a/builtin/for-each-ref.c +++ b/builtin/for-each-ref.c @@ -69,6 +69,9 @@ static struct { { "subject" }, { "body" }, { "contents" }, + { "contents:subject" }, + { "contents:body" }, + { "contents:signature" }, { "upstream" }, { "symref" }, { "flag" }, @@ -361,6 +364,18 @@ static const char *copy_email(const char *buf) return xmemdupz(email, eoemail + 1 - email); } +static char *copy_subject(const char *buf, unsigned long len) +{ + char *r = xmemdupz(buf, len); + int i; + + for (i = 0; i < len; i++) + if (r[i] == '\n') + r[i] = ' '; + + return r; +} + static void grab_date(const char *buf, struct atom_value *v, const char *atomname) { const char *eoemail = strstr(buf, "> "); @@ -458,38 +473,56 @@ static void grab_person(const char *who, struct atom_value *val, int deref, stru } } -static void find_subpos(const char *buf, unsigned long sz, const char **sub, const char **body) +static void find_subpos(const char *buf, unsigned long sz, + const char **sub, unsigned long *sublen, + const char **body, unsigned long *bodylen, + unsigned long *nonsiglen, + const char **sig, unsigned long *siglen) { - while (*buf) { - const char *eol = strchr(buf, '\n'); - if (!eol) - return; - if (eol[1] == '\n') { - buf = eol + 1; - break; /* found end of header */ - } - buf = eol + 1; + const char *eol; + /* skip past header until we hit empty line */ + while (*buf && *buf != '\n') { + eol = strchrnul(buf, '\n'); + if (*eol) + eol++; + buf = eol; } + /* skip any empty lines */ while (*buf == '\n') buf++; - if (!*buf) - return; - *sub = buf; /* first non-empty line */ - buf = strchr(buf, '\n'); - if (!buf) { - *body = ""; - return; /* no body */ + + /* parse signature first; we might not even have a subject line */ + *sig = buf + parse_signature(buf, strlen(buf)); + *siglen = strlen(*sig); + + /* subject is first non-empty line */ + *sub = buf; + /* subject goes to first empty line */ + while (buf < *sig && *buf && *buf != '\n') { + eol = strchrnul(buf, '\n'); + if (*eol) + eol++; + buf = eol; } + *sublen = buf - *sub; + /* drop trailing newline, if present */ + if (*sublen && (*sub)[*sublen - 1] == '\n') + *sublen -= 1; + + /* skip any empty lines */ while (*buf == '\n') - buf++; /* skip blank between subject and body */ + buf++; *body = buf; + *bodylen = strlen(buf); + *nonsiglen = *sig - buf; } /* See grab_values */ static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz) { int i; - const char *subpos = NULL, *bodypos = NULL; + const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL; + unsigned long sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0; for (i = 0; i < used_atom_cnt; i++) { const char *name = used_atom[i]; @@ -500,17 +533,27 @@ static void grab_sub_body_contents(struct atom_value *val, int deref, struct obj name++; if (strcmp(name, "subject") && strcmp(name, "body") && - strcmp(name, "contents")) + strcmp(name, "contents") && + strcmp(name, "contents:subject") && + strcmp(name, "contents:body") && + strcmp(name, "contents:signature")) continue; if (!subpos) - find_subpos(buf, sz, &subpos, &bodypos); - if (!subpos) - return; + find_subpos(buf, sz, + &subpos, &sublen, + &bodypos, &bodylen, &nonsiglen, + &sigpos, &siglen); if (!strcmp(name, "subject")) - v->s = copy_line(subpos); + v->s = copy_subject(subpos, sublen); + else if (!strcmp(name, "contents:subject")) + v->s = copy_subject(subpos, sublen); else if (!strcmp(name, "body")) - v->s = xstrdup(bodypos); + v->s = xmemdupz(bodypos, bodylen); + else if (!strcmp(name, "contents:body")) + v->s = xmemdupz(bodypos, nonsiglen); + else if (!strcmp(name, "contents:signature")) + v->s = xmemdupz(sigpos, siglen); else if (!strcmp(name, "contents")) v->s = xstrdup(subpos); } diff --git a/builtin/fsck.c b/builtin/fsck.c index 5ae0366bc8..30d0dc82f0 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -11,6 +11,7 @@ #include "fsck.h" #include "parse-options.h" #include "dir.h" +#include "progress.h" #define REACHABLE 0x0001 #define SEEN 0x0002 @@ -27,8 +28,10 @@ static const char *head_points_at; static int errors_found; static int write_lost_and_found; static int verbose; +static int show_progress = -1; #define ERROR_OBJECT 01 #define ERROR_REACHABLE 02 +#define ERROR_PACK 04 #ifdef NO_D_INO_IN_DIRENT #define SORT_DIRENT 0 @@ -137,7 +140,11 @@ static int traverse_one_object(struct object *obj) static int traverse_reachable(void) { + struct progress *progress = NULL; + unsigned int nr = 0; int result = 0; + if (show_progress) + progress = start_progress_delay("Checking connectivity", 0, 0, 2); while (pending.nr) { struct object_array_entry *entry; struct object *obj; @@ -145,7 +152,9 @@ static int traverse_reachable(void) entry = pending.objects + --pending.nr; obj = entry->item; result |= traverse_one_object(obj); + display_progress(progress, ++nr); } + stop_progress(&progress); return !!result; } @@ -231,12 +240,9 @@ static void check_unreachable_object(struct object *obj) unsigned long size; char *buf = read_sha1_file(obj->sha1, &type, &size); - if (buf) { - if (fwrite(buf, size, 1, f) != 1) - die_errno("Could not write '%s'", - filename); - free(buf); - } + if (buf && fwrite(buf, 1, size, f) != size) + die_errno("Could not write '%s'", filename); + free(buf); } else fprintf(f, "%s\n", sha1_to_hex(obj->sha1)); if (fclose(f)) @@ -284,14 +290,8 @@ static void check_connectivity(void) } } -static int fsck_sha1(const unsigned char *sha1) +static int fsck_obj(struct object *obj) { - struct object *obj = parse_object(sha1); - if (!obj) { - errors_found |= ERROR_OBJECT; - return error("%s: object corrupt or missing", - sha1_to_hex(sha1)); - } if (obj->flags & SEEN) return 0; obj->flags |= SEEN; @@ -334,6 +334,29 @@ static int fsck_sha1(const unsigned char *sha1) return 0; } +static int fsck_sha1(const unsigned char *sha1) +{ + struct object *obj = parse_object(sha1); + if (!obj) { + errors_found |= ERROR_OBJECT; + return error("%s: object corrupt or missing", + sha1_to_hex(sha1)); + } + return fsck_obj(obj); +} + +static int fsck_obj_buffer(const unsigned char *sha1, enum object_type type, + unsigned long size, void *buffer, int *eaten) +{ + struct object *obj; + obj = parse_object_buffer(sha1, type, size, buffer, eaten); + if (!obj) { + errors_found |= ERROR_OBJECT; + return error("%s: object corrupt or missing", sha1_to_hex(sha1)); + } + return fsck_obj(obj); +} + /* * This is the sorting chunk size: make it reasonably * big so that we can sort well.. @@ -515,15 +538,20 @@ static void get_default_heads(void) static void fsck_object_dir(const char *path) { int i; + struct progress *progress = NULL; if (verbose) fprintf(stderr, "Checking object directory\n"); + if (show_progress) + progress = start_progress("Checking object directories", 256); for (i = 0; i < 256; i++) { static char dir[4096]; sprintf(dir, "%s/%02x", path, i); fsck_dir(i, dir); + display_progress(progress, i+1); } + stop_progress(&progress); fsck_sha1_list(); } @@ -594,6 +622,7 @@ static struct option fsck_opts[] = { OPT_BOOLEAN(0, "strict", &check_strict, "enable more strict checking"), OPT_BOOLEAN(0, "lost-found", &write_lost_and_found, "write dangling objects in .git/lost-found"), + OPT_BOOL(0, "progress", &show_progress, "show progress"), OPT_END(), }; @@ -606,6 +635,12 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) read_replace_refs = 0; argc = parse_options(argc, argv, prefix, fsck_opts, fsck_usage, 0); + + if (show_progress == -1) + show_progress = isatty(2); + if (verbose) + show_progress = 0; + if (write_lost_and_found) { check_full = 1; include_reflogs = 0; @@ -625,20 +660,28 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) if (check_full) { struct packed_git *p; + uint32_t total = 0, count = 0; + struct progress *progress = NULL; prepare_packed_git(); - for (p = packed_git; p; p = p->next) - /* verify gives error messages itself */ - verify_pack(p); + if (show_progress) { + for (p = packed_git; p; p = p->next) { + if (open_pack_index(p)) + continue; + total += p->num_objects; + } + + progress = start_progress("Checking objects", total); + } for (p = packed_git; p; p = p->next) { - uint32_t j, num; - if (open_pack_index(p)) - continue; - num = p->num_objects; - for (j = 0; j < num; j++) - fsck_sha1(nth_packed_object_sha1(p, j)); + /* verify gives error messages itself */ + if (verify_pack(p, fsck_obj_buffer, + progress, count)) + errors_found |= ERROR_PACK; + count += p->num_objects; } + stop_progress(&progress); } heads = 0; diff --git a/builtin/grep.c b/builtin/grep.c index 1c359c2671..988ea1d332 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -74,13 +74,32 @@ static int all_work_added; /* This lock protects all the variables above. */ static pthread_mutex_t grep_mutex; +static inline void grep_lock(void) +{ + if (use_threads) + pthread_mutex_lock(&grep_mutex); +} + +static inline void grep_unlock(void) +{ + if (use_threads) + pthread_mutex_unlock(&grep_mutex); +} + /* Used to serialize calls to read_sha1_file. */ static pthread_mutex_t read_sha1_mutex; -#define grep_lock() pthread_mutex_lock(&grep_mutex) -#define grep_unlock() pthread_mutex_unlock(&grep_mutex) -#define read_sha1_lock() pthread_mutex_lock(&read_sha1_mutex) -#define read_sha1_unlock() pthread_mutex_unlock(&read_sha1_mutex) +static inline void read_sha1_lock(void) +{ + if (use_threads) + pthread_mutex_lock(&read_sha1_mutex); +} + +static inline void read_sha1_unlock(void) +{ + if (use_threads) + pthread_mutex_unlock(&read_sha1_mutex); +} /* Signalled when a new work_item is added to todo. */ static pthread_cond_t cond_add; @@ -354,13 +373,9 @@ static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type { void *data; - if (use_threads) { - read_sha1_lock(); - data = read_sha1_file(sha1, type, size); - read_sha1_unlock(); - } else { - data = read_sha1_file(sha1, type, size); - } + read_sha1_lock(); + data = read_sha1_file(sha1, type, size); + read_sha1_unlock(); return data; } @@ -542,18 +557,19 @@ static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, struct tree_desc *tree, struct strbuf *base, int tn_len) { - int hit = 0, match = 0; + int hit = 0; + enum interesting match = entry_not_interesting; struct name_entry entry; int old_baselen = base->len; while (tree_entry(tree, &entry)) { - int te_len = tree_entry_len(entry.path, entry.sha1); + int te_len = tree_entry_len(&entry); - if (match != 2) { + if (match != all_entries_interesting) { match = tree_entry_interesting(&entry, base, tn_len, pathspec); - if (match < 0) + if (match == all_entries_not_interesting) break; - if (match == 0) + if (match == entry_not_interesting) continue; } @@ -598,8 +614,11 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, struct strbuf base; int hit, len; + read_sha1_lock(); data = read_object_with_reference(obj->sha1, tree_type, &size, NULL); + read_sha1_unlock(); + if (!data) die(_("unable to read tree (%s)"), sha1_to_hex(obj->sha1)); @@ -637,13 +656,15 @@ static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, return hit; } -static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec) +static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, + int exc_std) { struct dir_struct dir; int i, hit = 0; memset(&dir, 0, sizeof(dir)); - setup_standard_excludes(&dir); + if (exc_std) + setup_standard_excludes(&dir); fill_directory(&dir, pathspec->raw); for (i = 0; i < dir.nr; i++) { @@ -750,7 +771,7 @@ static int help_callback(const struct option *opt, const char *arg, int unset) int cmd_grep(int argc, const char **argv, const char *prefix) { int hit = 0; - int cached = 0; + int cached = 0, untracked = 0, opt_exclude = -1; int seen_dashdash = 0; int external_grep_allowed__ignored; const char *show_in_pager = NULL, *default_pager = "dummy"; @@ -774,8 +795,13 @@ int cmd_grep(int argc, const char **argv, const char *prefix) struct option options[] = { OPT_BOOLEAN(0, "cached", &cached, "search in index instead of in the work tree"), - OPT_BOOLEAN(0, "index", &use_index, - "--no-index finds in contents not managed by git"), + { OPTION_BOOLEAN, 0, "index", &use_index, NULL, + "finds in contents not managed by git", + PARSE_OPT_NOARG | PARSE_OPT_NEGHELP }, + OPT_BOOLEAN(0, "untracked", &untracked, + "search in both tracked and untracked files"), + OPT_SET_INT(0, "exclude-standard", &opt_exclude, + "search also in ignored files", 1), OPT_GROUP(""), OPT_BOOLEAN('v', "invert-match", &opt.invert, "show non-matching lines"), @@ -1045,13 +1071,16 @@ int cmd_grep(int argc, const char **argv, const char *prefix) if (!show_in_pager) setup_pager(); + if (!use_index && (untracked || cached)) + die(_("--cached or --untracked cannot be used with --no-index.")); - if (!use_index) { - if (cached) - die(_("--cached cannot be used with --no-index.")); + if (!use_index || untracked) { + int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude; if (list.nr) - die(_("--no-index cannot be used with revs.")); - hit = grep_directory(&opt, &pathspec); + die(_("--no-index or --untracked cannot be used with revs.")); + hit = grep_directory(&opt, &pathspec, use_exclude); + } else if (0 <= opt_exclude) { + die(_("--[no-]exclude-standard cannot be used for tracked contents.")); } else if (!list.nr) { if (!cached) setup_work_tree(); diff --git a/builtin/ls-files.c b/builtin/ls-files.c index e8a800d3ac..7cff175745 100644 --- a/builtin/ls-files.c +++ b/builtin/ls-files.c @@ -545,7 +545,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) strip_trailing_slash_from_submodules(); /* Find common prefix for all pathspec's */ - max_prefix = pathspec_prefix(prefix, pathspec); + max_prefix = common_prefix(pathspec); max_prefix_len = max_prefix ? strlen(max_prefix) : 0; /* Treat unmatching pathspec elements as errors */ diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c index 10223092a9..41c88a98a2 100644 --- a/builtin/ls-remote.c +++ b/builtin/ls-remote.c @@ -43,6 +43,9 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix) struct transport *transport; const struct ref *ref; + if (argc == 2 && !strcmp("-h", argv[1])) + usage(ls_remote_usage); + for (i = 1; i < argc; i++) { const char *arg = argv[i]; diff --git a/builtin/merge.c b/builtin/merge.c index ab4077f272..2870a6af6f 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -46,11 +46,10 @@ static const char * const builtin_merge_usage[] = { static int show_diffstat = 1, shortlog_len, squash; static int option_commit = 1, allow_fast_forward = 1; -static int fast_forward_only; +static int fast_forward_only, option_edit; static int allow_trivial = 1, have_message; static struct strbuf merge_msg; static struct commit_list *remoteheads; -static unsigned char head[20], stash[20]; static struct strategy **use_strategies; static size_t use_strategies_nr, use_strategies_alloc; static const char **xopts; @@ -190,6 +189,8 @@ static struct option builtin_merge_options[] = { "create a single commit instead of doing a merge"), OPT_BOOLEAN(0, "commit", &option_commit, "perform a commit if the merge succeeds (default)"), + OPT_BOOLEAN('e', "edit", &option_edit, + "edit message before committing"), OPT_BOOLEAN(0, "ff", &allow_fast_forward, "allow fast-forward (default)"), OPT_BOOLEAN(0, "ff-only", &fast_forward_only, @@ -217,7 +218,7 @@ static void drop_save(void) unlink(git_path("MERGE_MODE")); } -static void save_state(void) +static int save_state(unsigned char *stash) { int len; struct child_process cp; @@ -236,11 +237,12 @@ static void save_state(void) if (finish_command(&cp) || len < 0) die(_("stash failed")); - else if (!len) - return; + else if (!len) /* no changes */ + return -1; strbuf_setlen(&buffer, buffer.len-1); if (get_sha1(buffer.buf, stash)) die(_("not a valid object: %s"), buffer.buf); + return 0; } static void read_empty(unsigned const char *sha1, int verbose) @@ -278,7 +280,8 @@ static void reset_hard(unsigned const char *sha1, int verbose) die(_("read-tree failed")); } -static void restore_state(void) +static void restore_state(const unsigned char *head, + const unsigned char *stash) { struct strbuf sb = STRBUF_INIT; const char *args[] = { "stash", "apply", NULL, NULL }; @@ -308,25 +311,25 @@ static void finish_up_to_date(const char *msg) drop_save(); } -static void squash_message(void) +static void squash_message(struct commit *commit) { struct rev_info rev; - struct commit *commit; struct strbuf out = STRBUF_INIT; struct commit_list *j; + const char *filename; int fd; struct pretty_print_context ctx = {0}; printf(_("Squash commit -- not updating HEAD\n")); - fd = open(git_path("SQUASH_MSG"), O_WRONLY | O_CREAT, 0666); + filename = git_path("SQUASH_MSG"); + fd = open(filename, O_WRONLY | O_CREAT, 0666); if (fd < 0) - die_errno(_("Could not write to '%s'"), git_path("SQUASH_MSG")); + die_errno(_("Could not write to '%s'"), filename); init_revisions(&rev, NULL); rev.ignore_merges = 1; rev.commit_format = CMIT_FMT_MEDIUM; - commit = lookup_commit(head); commit->object.flags |= UNINTERESTING; add_pending_object(&rev, &commit->object, NULL); @@ -355,9 +358,11 @@ static void squash_message(void) strbuf_release(&out); } -static void finish(const unsigned char *new_head, const char *msg) +static void finish(struct commit *head_commit, + const unsigned char *new_head, const char *msg) { struct strbuf reflog_message = STRBUF_INIT; + const unsigned char *head = head_commit->object.sha1; if (!msg) strbuf_addstr(&reflog_message, getenv("GIT_REFLOG_ACTION")); @@ -368,7 +373,7 @@ static void finish(const unsigned char *new_head, const char *msg) getenv("GIT_REFLOG_ACTION"), msg); } if (squash) { - squash_message(); + squash_message(head_commit); } else { if (verbosity >= 0 && !merge_msg.len) printf(_("No merge message -- not updating HEAD\n")); @@ -403,6 +408,16 @@ static void finish(const unsigned char *new_head, const char *msg) strbuf_release(&reflog_message); } +static struct object *want_commit(const char *name) +{ + struct object *obj; + unsigned char sha1[20]; + if (get_sha1(name, sha1)) + return NULL; + obj = parse_object(sha1); + return peel_to_type(name, 0, obj, OBJ_COMMIT); +} + /* Get the name for the merge commit's message. */ static void merge_name(const char *remote, struct strbuf *msg) { @@ -418,7 +433,7 @@ static void merge_name(const char *remote, struct strbuf *msg) remote = bname.buf; memset(branch_head, 0, sizeof(branch_head)); - remote_head = peel_to_type(remote, 0, NULL, OBJ_COMMIT); + remote_head = want_commit(remote); if (!remote_head) die(_("'%s' does not point to a commit"), remote); @@ -479,14 +494,16 @@ static void merge_name(const char *remote, struct strbuf *msg) if (!strcmp(remote, "FETCH_HEAD") && !access(git_path("FETCH_HEAD"), R_OK)) { + const char *filename; FILE *fp; struct strbuf line = STRBUF_INIT; char *ptr; - fp = fopen(git_path("FETCH_HEAD"), "r"); + filename = git_path("FETCH_HEAD"); + fp = fopen(filename, "r"); if (!fp) die_errno(_("could not open '%s' for reading"), - git_path("FETCH_HEAD")); + filename); strbuf_getline(&line, fp, '\n'); fclose(fp); ptr = strstr(line.buf, "\tnot-for-merge\t"); @@ -661,7 +678,7 @@ int try_merge_command(const char *strategy, size_t xopts_nr, } static int try_merge_strategy(const char *strategy, struct commit_list *common, - const char *head_arg) + struct commit *head, const char *head_arg) { int index_fd; struct lock_file *lock = xcalloc(1, sizeof(struct lock_file)); @@ -707,7 +724,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, commit_list_insert(j->item, &reversed); index_fd = hold_locked_index(lock, 1); - clean = merge_recursive(&o, lookup_commit(head), + clean = merge_recursive(&o, head, remoteheads->item, reversed, &result); if (active_cache_changed && (write_cache(index_fd, active_cache, active_nr) || @@ -832,51 +849,78 @@ static void add_strategies(const char *string, unsigned attr) } -static void write_merge_msg(void) +static void write_merge_msg(struct strbuf *msg) { - int fd = open(git_path("MERGE_MSG"), O_WRONLY | O_CREAT, 0666); + const char *filename = git_path("MERGE_MSG"); + int fd = open(filename, O_WRONLY | O_CREAT, 0666); if (fd < 0) die_errno(_("Could not open '%s' for writing"), - git_path("MERGE_MSG")); - if (write_in_full(fd, merge_msg.buf, merge_msg.len) != merge_msg.len) - die_errno(_("Could not write to '%s'"), git_path("MERGE_MSG")); + filename); + if (write_in_full(fd, msg->buf, msg->len) != msg->len) + die_errno(_("Could not write to '%s'"), filename); close(fd); } -static void read_merge_msg(void) +static void read_merge_msg(struct strbuf *msg) { - strbuf_reset(&merge_msg); - if (strbuf_read_file(&merge_msg, git_path("MERGE_MSG"), 0) < 0) - die_errno(_("Could not read from '%s'"), git_path("MERGE_MSG")); + const char *filename = git_path("MERGE_MSG"); + strbuf_reset(msg); + if (strbuf_read_file(msg, filename, 0) < 0) + die_errno(_("Could not read from '%s'"), filename); } -static void run_prepare_commit_msg(void) +static void write_merge_state(void); +static void abort_commit(const char *err_msg) { - write_merge_msg(); + if (err_msg) + error("%s", err_msg); + fprintf(stderr, + _("Not committing merge; use 'git commit' to complete the merge.\n")); + write_merge_state(); + exit(1); +} + +static void prepare_to_commit(void) +{ + struct strbuf msg = STRBUF_INIT; + strbuf_addbuf(&msg, &merge_msg); + strbuf_addch(&msg, '\n'); + write_merge_msg(&msg); run_hook(get_index_file(), "prepare-commit-msg", git_path("MERGE_MSG"), "merge", NULL, NULL); - read_merge_msg(); + if (option_edit) { + if (launch_editor(git_path("MERGE_MSG"), NULL, NULL)) + abort_commit(NULL); + } + read_merge_msg(&msg); + stripspace(&msg, option_edit); + if (!msg.len) + abort_commit(_("Empty commit message.")); + strbuf_release(&merge_msg); + strbuf_addbuf(&merge_msg, &msg); + strbuf_release(&msg); } -static int merge_trivial(void) +static int merge_trivial(struct commit *head) { unsigned char result_tree[20], result_commit[20]; struct commit_list *parent = xmalloc(sizeof(*parent)); write_tree_trivial(result_tree); printf(_("Wonderful.\n")); - parent->item = lookup_commit(head); + parent->item = head; parent->next = xmalloc(sizeof(*parent->next)); parent->next->item = remoteheads->item; parent->next->next = NULL; - run_prepare_commit_msg(); + prepare_to_commit(); commit_tree(merge_msg.buf, result_tree, parent, result_commit, NULL); - finish(result_commit, "In-index merge"); + finish(head, result_commit, "In-index merge"); drop_save(); return 0; } -static int finish_automerge(struct commit_list *common, +static int finish_automerge(struct commit *head, + struct commit_list *common, unsigned char *result_tree, const char *wt_strategy) { @@ -887,22 +931,22 @@ static int finish_automerge(struct commit_list *common, free_commit_list(common); if (allow_fast_forward) { parents = remoteheads; - commit_list_insert(lookup_commit(head), &parents); + commit_list_insert(head, &parents); parents = reduce_heads(parents); } else { struct commit_list **pptr = &parents; - pptr = &commit_list_insert(lookup_commit(head), + pptr = &commit_list_insert(head, pptr)->next; for (j = remoteheads; j; j = j->next) pptr = &commit_list_insert(j->item, pptr)->next; } - free_commit_list(remoteheads); strbuf_addch(&merge_msg, '\n'); - run_prepare_commit_msg(); + prepare_to_commit(); + free_commit_list(remoteheads); commit_tree(merge_msg.buf, result_tree, parents, result_commit, NULL); strbuf_addf(&buf, "Merge made by the '%s' strategy.", wt_strategy); - finish(result_commit, buf.buf); + finish(head, result_commit, buf.buf); strbuf_release(&buf); drop_save(); return 0; @@ -910,13 +954,14 @@ static int finish_automerge(struct commit_list *common, static int suggest_conflicts(int renormalizing) { + const char *filename; FILE *fp; int pos; - fp = fopen(git_path("MERGE_MSG"), "a"); + filename = git_path("MERGE_MSG"); + fp = fopen(filename, "a"); if (!fp) - die_errno(_("Could not open '%s' for writing"), - git_path("MERGE_MSG")); + die_errno(_("Could not open '%s' for writing"), filename); fprintf(fp, "\nConflicts:\n"); for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; @@ -936,7 +981,8 @@ static int suggest_conflicts(int renormalizing) return 1; } -static struct commit *is_old_style_invocation(int argc, const char **argv) +static struct commit *is_old_style_invocation(int argc, const char **argv, + const unsigned char *head) { struct commit *second_token = NULL; if (argc > 2) { @@ -1005,12 +1051,47 @@ static int setup_with_upstream(const char ***argv) return i; } +static void write_merge_state(void) +{ + const char *filename; + int fd; + struct commit_list *j; + struct strbuf buf = STRBUF_INIT; + + for (j = remoteheads; j; j = j->next) + strbuf_addf(&buf, "%s\n", + sha1_to_hex(j->item->object.sha1)); + filename = git_path("MERGE_HEAD"); + fd = open(filename, O_WRONLY | O_CREAT, 0666); + if (fd < 0) + die_errno(_("Could not open '%s' for writing"), filename); + if (write_in_full(fd, buf.buf, buf.len) != buf.len) + die_errno(_("Could not write to '%s'"), filename); + close(fd); + strbuf_addch(&merge_msg, '\n'); + write_merge_msg(&merge_msg); + + filename = git_path("MERGE_MODE"); + fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666); + if (fd < 0) + die_errno(_("Could not open '%s' for writing"), filename); + strbuf_reset(&buf); + if (!allow_fast_forward) + strbuf_addf(&buf, "no-ff"); + if (write_in_full(fd, buf.buf, buf.len) != buf.len) + die_errno(_("Could not write to '%s'"), filename); + close(fd); +} + int cmd_merge(int argc, const char **argv, const char *prefix) { unsigned char result_tree[20]; + unsigned char stash[20]; + unsigned char head_sha1[20]; + struct commit *head_commit; struct strbuf buf = STRBUF_INIT; const char *head_arg; - int flag, head_invalid = 0, i; + int flag, i; int best_cnt = -1, merge_was_ok = 0, automerge_was_ok = 0; struct commit_list *common = NULL; const char *best_strategy = NULL, *wt_strategy = NULL; @@ -1023,11 +1104,13 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * Check if we are _not_ on a detached HEAD, i.e. if there is a * current branch. */ - branch = resolve_ref("HEAD", head, 0, &flag); + branch = resolve_ref("HEAD", head_sha1, 0, &flag); if (branch && !prefixcmp(branch, "refs/heads/")) branch += 11; - if (is_null_sha1(head)) - head_invalid = 1; + if (!branch || is_null_sha1(head_sha1)) + head_commit = NULL; + else + head_commit = lookup_commit_or_die(head_sha1, "HEAD"); git_config(git_merge_config, NULL); @@ -1104,12 +1187,13 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * additional safety measure to check for it. */ - if (!have_message && is_old_style_invocation(argc, argv)) { + if (!have_message && head_commit && + is_old_style_invocation(argc, argv, head_commit->object.sha1)) { strbuf_addstr(&merge_msg, argv[0]); head_arg = argv[1]; argv += 2; argc -= 2; - } else if (head_invalid) { + } else if (!head_commit) { struct object *remote_head; /* * If the merged head is a valid one there is no reason @@ -1124,7 +1208,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (!allow_fast_forward) die(_("Non-fast-forward commit does not make sense into " "an empty head")); - remote_head = peel_to_type(argv[0], 0, NULL, OBJ_COMMIT); + remote_head = want_commit(argv[0]); if (!remote_head) die(_("%s - not something we can merge"), argv[0]); read_empty(remote_head->sha1, 0); @@ -1156,7 +1240,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) } } - if (head_invalid || !argc) + if (!head_commit || !argc) usage_with_options(builtin_merge_usage, builtin_merge_options); @@ -1170,7 +1254,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) struct object *o; struct commit *commit; - o = peel_to_type(argv[i], 0, NULL, OBJ_COMMIT); + o = want_commit(argv[i]); if (!o) die(_("%s - not something we can merge"), argv[i]); commit = lookup_commit(o->sha1); @@ -1197,17 +1281,16 @@ int cmd_merge(int argc, const char **argv, const char *prefix) } if (!remoteheads->next) - common = get_merge_bases(lookup_commit(head), - remoteheads->item, 1); + common = get_merge_bases(head_commit, remoteheads->item, 1); else { struct commit_list *list = remoteheads; - commit_list_insert(lookup_commit(head), &list); + commit_list_insert(head_commit, &list); common = get_octopus_merge_bases(list); free(list); } - update_ref("updating ORIG_HEAD", "ORIG_HEAD", head, NULL, 0, - DIE_ON_ERR); + update_ref("updating ORIG_HEAD", "ORIG_HEAD", head_commit->object.sha1, + NULL, 0, DIE_ON_ERR); if (!common) ; /* No common ancestors found. We need a real merge. */ @@ -1221,13 +1304,13 @@ int cmd_merge(int argc, const char **argv, const char *prefix) return 0; } else if (allow_fast_forward && !remoteheads->next && !common->next && - !hashcmp(common->item->object.sha1, head)) { + !hashcmp(common->item->object.sha1, head_commit->object.sha1)) { /* Again the most common case of merging one remote. */ struct strbuf msg = STRBUF_INIT; struct object *o; char hex[41]; - strcpy(hex, find_unique_abbrev(head, DEFAULT_ABBREV)); + strcpy(hex, find_unique_abbrev(head_commit->object.sha1, DEFAULT_ABBREV)); if (verbosity >= 0) printf(_("Updating %s..%s\n"), @@ -1238,15 +1321,14 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (have_message) strbuf_addstr(&msg, " (no commit created; -m option ignored)"); - o = peel_to_type(sha1_to_hex(remoteheads->item->object.sha1), - 0, NULL, OBJ_COMMIT); + o = want_commit(sha1_to_hex(remoteheads->item->object.sha1)); if (!o) return 1; - if (checkout_fast_forward(head, remoteheads->item->object.sha1)) + if (checkout_fast_forward(head_commit->object.sha1, remoteheads->item->object.sha1)) return 1; - finish(o->sha1, msg.buf); + finish(head_commit, o->sha1, msg.buf); drop_save(); return 0; } else if (!remoteheads->next && common->next) @@ -1266,8 +1348,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix) git_committer_info(IDENT_ERROR_ON_NO_NAME); printf(_("Trying really trivial in-index merge...\n")); if (!read_tree_trivial(common->item->object.sha1, - head, remoteheads->item->object.sha1)) - return merge_trivial(); + head_commit->object.sha1, remoteheads->item->object.sha1)) + return merge_trivial(head_commit); printf(_("Nope.\n")); } } else { @@ -1286,8 +1368,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * merge_bases again, otherwise "git merge HEAD^ * HEAD^^" would be missed. */ - common_one = get_merge_bases(lookup_commit(head), - j->item, 1); + common_one = get_merge_bases(head_commit, j->item, 1); if (hashcmp(common_one->item->object.sha1, j->item->object.sha1)) { up_to_date = 0; @@ -1314,21 +1395,18 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * sync with the head commit. The strategies are responsible * to ensure this. */ - if (use_strategies_nr != 1) { - /* - * Stash away the local changes so that we can try more - * than one. - */ - save_state(); - } else { - memcpy(stash, null_sha1, 20); - } + if (use_strategies_nr == 1 || + /* + * Stash away the local changes so that we can try more than one. + */ + save_state(stash)) + hashcpy(stash, null_sha1); for (i = 0; i < use_strategies_nr; i++) { int ret; if (i) { printf(_("Rewinding the tree to pristine...\n")); - restore_state(); + restore_state(head_commit->object.sha1, stash); } if (use_strategies_nr != 1) printf(_("Trying merge strategy %s...\n"), @@ -1340,7 +1418,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) wt_strategy = use_strategies[i]->name; ret = try_merge_strategy(use_strategies[i]->name, - common, head_arg); + common, head_commit, head_arg); if (!option_commit && !ret) { merge_was_ok = 1; /* @@ -1382,14 +1460,15 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * auto resolved the merge cleanly. */ if (automerge_was_ok) - return finish_automerge(common, result_tree, wt_strategy); + return finish_automerge(head_commit, common, result_tree, + wt_strategy); /* * Pick the result from the best strategy and have the user fix * it up. */ if (!best_strategy) { - restore_state(); + restore_state(head_commit->object.sha1, stash); if (use_strategies_nr > 1) fprintf(stderr, _("No merge strategy handled the merge.\n")); @@ -1401,41 +1480,16 @@ int cmd_merge(int argc, const char **argv, const char *prefix) ; /* We already have its result in the working tree. */ else { printf(_("Rewinding the tree to pristine...\n")); - restore_state(); + restore_state(head_commit->object.sha1, stash); printf(_("Using the %s to prepare resolving by hand.\n"), best_strategy); - try_merge_strategy(best_strategy, common, head_arg); + try_merge_strategy(best_strategy, common, head_commit, head_arg); } if (squash) - finish(NULL, NULL); - else { - int fd; - struct commit_list *j; - - for (j = remoteheads; j; j = j->next) - strbuf_addf(&buf, "%s\n", - sha1_to_hex(j->item->object.sha1)); - fd = open(git_path("MERGE_HEAD"), O_WRONLY | O_CREAT, 0666); - if (fd < 0) - die_errno(_("Could not open '%s' for writing"), - git_path("MERGE_HEAD")); - if (write_in_full(fd, buf.buf, buf.len) != buf.len) - die_errno(_("Could not write to '%s'"), git_path("MERGE_HEAD")); - close(fd); - strbuf_addch(&merge_msg, '\n'); - write_merge_msg(); - fd = open(git_path("MERGE_MODE"), O_WRONLY | O_CREAT | O_TRUNC, 0666); - if (fd < 0) - die_errno(_("Could not open '%s' for writing"), - git_path("MERGE_MODE")); - strbuf_reset(&buf); - if (!allow_fast_forward) - strbuf_addf(&buf, "no-ff"); - if (write_in_full(fd, buf.buf, buf.len) != buf.len) - die_errno(_("Could not write to '%s'"), git_path("MERGE_MODE")); - close(fd); - } + finish(head_commit, NULL, NULL); + else + write_merge_state(); if (merge_was_ok) { fprintf(stderr, _("Automatic merge went well; " diff --git a/builtin/mktree.c b/builtin/mktree.c index 098395fda1..4ae1c412d4 100644 --- a/builtin/mktree.c +++ b/builtin/mktree.c @@ -60,6 +60,7 @@ static void write_tree(unsigned char *sha1) } write_sha1_file(buf.buf, buf.len, tree_type, sha1); + strbuf_release(&buf); } static const char *mktree_usage[] = { diff --git a/builtin/mv.c b/builtin/mv.c index 40f33ca4d0..5efe6c5760 100644 --- a/builtin/mv.c +++ b/builtin/mv.c @@ -29,7 +29,11 @@ static const char **copy_pathspec(const char *prefix, const char **pathspec, to_copy--; if (to_copy != length || base_name) { char *it = xmemdupz(result[i], to_copy); - result[i] = base_name ? strdup(basename(it)) : it; + if (base_name) { + result[i] = xstrdup(basename(it)); + free(it); + } else + result[i] = it; } } return get_pathspec(prefix, result); diff --git a/builtin/name-rev.c b/builtin/name-rev.c index 31f5c1c971..1b374583c2 100644 --- a/builtin/name-rev.c +++ b/builtin/name-rev.c @@ -172,7 +172,9 @@ static void show_name(const struct object *obj, } static char const * const name_rev_usage[] = { - "git name-rev [options] ( --all | --stdin | <commit>... )", + "git name-rev [options] <commit>...", + "git name-rev [options] --all", + "git name-rev [options] --stdin", NULL }; @@ -289,7 +291,7 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) max = get_max_object_index(); for (i = 0; i < max; i++) { struct object *obj = get_indexed_object(i); - if (!obj) + if (!obj || obj->type != OBJ_COMMIT) continue; show_name(obj, NULL, always, allow_undefined, data.name_only); diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index a9c67c18ba..558cd34bcc 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -454,8 +454,8 @@ static int mark_tagged(const char *path, const unsigned char *sha1, int flag, return 0; } -static void add_to_write_order(struct object_entry **wo, - int *endp, +static inline void add_to_write_order(struct object_entry **wo, + unsigned int *endp, struct object_entry *e) { if (e->filled) @@ -465,32 +465,62 @@ static void add_to_write_order(struct object_entry **wo, } static void add_descendants_to_write_order(struct object_entry **wo, - int *endp, + unsigned int *endp, struct object_entry *e) { - struct object_entry *child; - - for (child = e->delta_child; child; child = child->delta_sibling) - add_to_write_order(wo, endp, child); - for (child = e->delta_child; child; child = child->delta_sibling) - add_descendants_to_write_order(wo, endp, child); + int add_to_order = 1; + while (e) { + if (add_to_order) { + struct object_entry *s; + /* add this node... */ + add_to_write_order(wo, endp, e); + /* all its siblings... */ + for (s = e->delta_sibling; s; s = s->delta_sibling) { + add_to_write_order(wo, endp, s); + } + } + /* drop down a level to add left subtree nodes if possible */ + if (e->delta_child) { + add_to_order = 1; + e = e->delta_child; + } else { + add_to_order = 0; + /* our sibling might have some children, it is next */ + if (e->delta_sibling) { + e = e->delta_sibling; + continue; + } + /* go back to our parent node */ + e = e->delta; + while (e && !e->delta_sibling) { + /* we're on the right side of a subtree, keep + * going up until we can go right again */ + e = e->delta; + } + if (!e) { + /* done- we hit our original root node */ + return; + } + /* pass it off to sibling at this level */ + e = e->delta_sibling; + } + }; } static void add_family_to_write_order(struct object_entry **wo, - int *endp, + unsigned int *endp, struct object_entry *e) { struct object_entry *root; for (root = e; root->delta; root = root->delta) ; /* nothing */ - add_to_write_order(wo, endp, root); add_descendants_to_write_order(wo, endp, root); } static struct object_entry **compute_write_order(void) { - int i, wo_end; + unsigned int i, wo_end, last_untagged; struct object_entry **wo = xmalloc(nr_objects * sizeof(*wo)); @@ -506,8 +536,8 @@ static struct object_entry **compute_write_order(void) * Make sure delta_sibling is sorted in the original * recency order. */ - for (i = nr_objects - 1; 0 <= i; i--) { - struct object_entry *e = &objects[i]; + for (i = nr_objects; i > 0;) { + struct object_entry *e = &objects[--i]; if (!e->delta) continue; /* Mark me as the first child */ @@ -521,7 +551,7 @@ static struct object_entry **compute_write_order(void) for_each_tag_ref(mark_tagged, NULL); /* - * Give the commits in the original recency order until + * Give the objects in the original recency order until * we see a tagged tip. */ for (i = wo_end = 0; i < nr_objects; i++) { @@ -529,6 +559,7 @@ static struct object_entry **compute_write_order(void) break; add_to_write_order(wo, &wo_end, &objects[i]); } + last_untagged = i; /* * Then fill all the tagged tips. @@ -541,7 +572,7 @@ static struct object_entry **compute_write_order(void) /* * And then all remaining commits and tags. */ - for (i = 0; i < nr_objects; i++) { + for (i = last_untagged; i < nr_objects; i++) { if (objects[i].type != OBJ_COMMIT && objects[i].type != OBJ_TAG) continue; @@ -551,7 +582,7 @@ static struct object_entry **compute_write_order(void) /* * And then all the trees. */ - for (i = 0; i < nr_objects; i++) { + for (i = last_untagged; i < nr_objects; i++) { if (objects[i].type != OBJ_TREE) continue; add_to_write_order(wo, &wo_end, &objects[i]); @@ -560,8 +591,13 @@ static struct object_entry **compute_write_order(void) /* * Finally all the rest in really tight order */ - for (i = 0; i < nr_objects; i++) - add_family_to_write_order(wo, &wo_end, &objects[i]); + for (i = last_untagged; i < nr_objects; i++) { + if (!objects[i].filled) + add_family_to_write_order(wo, &wo_end, &objects[i]); + } + + if (wo_end != nr_objects) + die("ordered %u objects, expected %"PRIu32, wo_end, nr_objects); return wo; } @@ -804,6 +840,10 @@ static int add_object_entry(const unsigned char *sha1, enum object_type type, off_t offset = find_pack_entry_one(sha1, p); if (offset) { if (!found_pack) { + if (!is_pack_valid(p)) { + warning("packfile %s cannot be accessed", p->pack_name); + continue; + } found_offset = offset; found_pack = p; } @@ -975,7 +1015,7 @@ static void add_pbase_object(struct tree_desc *tree, while (tree_entry(tree,&entry)) { if (S_ISGITLINK(entry.mode)) continue; - cmp = tree_entry_len(entry.path, entry.sha1) != cmplen ? 1 : + cmp = tree_entry_len(&entry) != cmplen ? 1 : memcmp(name, entry.path, cmplen); if (cmp > 0) continue; @@ -2073,7 +2113,9 @@ static void show_commit(struct commit *commit, void *data) commit->object.flags |= OBJECT_ADDED; } -static void show_object(struct object *obj, const struct name_path *path, const char *last) +static void show_object(struct object *obj, + const struct name_path *path, const char *last, + void *data) { char *name = path_name(path, last); diff --git a/builtin/patch-id.c b/builtin/patch-id.c index f821eb3f0b..3cfe02d5a5 100644 --- a/builtin/patch-id.c +++ b/builtin/patch-id.c @@ -56,13 +56,13 @@ static int scan_hunk_header(const char *p, int *p_before, int *p_after) return 1; } -static int get_one_patchid(unsigned char *next_sha1, git_SHA_CTX *ctx) +static int get_one_patchid(unsigned char *next_sha1, git_SHA_CTX *ctx, struct strbuf *line_buf) { - static char line[1000]; int patchlen = 0, found_next = 0; int before = -1, after = -1; - while (fgets(line, sizeof(line), stdin) != NULL) { + while (strbuf_getwholeline(line_buf, stdin, '\n') != EOF) { + char *line = line_buf->buf; char *p = line; int len; @@ -133,14 +133,16 @@ static void generate_id_list(void) unsigned char sha1[20], n[20]; git_SHA_CTX ctx; int patchlen; + struct strbuf line_buf = STRBUF_INIT; git_SHA1_Init(&ctx); hashclr(sha1); while (!feof(stdin)) { - patchlen = get_one_patchid(n, &ctx); + patchlen = get_one_patchid(n, &ctx, &line_buf); flush_current_id(patchlen, sha1, &ctx); hashcpy(sha1, n); } + strbuf_release(&line_buf); } static const char patch_id_usage[] = "git patch-id < patch"; diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index ae164da4d5..7ec68a1e80 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -11,6 +11,7 @@ #include "transport.h" #include "string-list.h" #include "sha1-array.h" +#include "connected.h" static const char receive_pack_usage[] = "git receive-pack <git-dir>"; @@ -25,7 +26,8 @@ static int deny_deletes; static int deny_non_fast_forwards; static enum deny_action deny_current_branch = DENY_UNCONFIGURED; static enum deny_action deny_delete_current = DENY_UNCONFIGURED; -static int receive_fsck_objects; +static int receive_fsck_objects = -1; +static int transfer_fsck_objects = -1; static int receive_unpack_limit = -1; static int transfer_unpack_limit = -1; static int unpack_limit = 100; @@ -79,6 +81,11 @@ static int receive_pack_config(const char *var, const char *value, void *cb) return 0; } + if (strcmp(var, "transfer.fsckobjects") == 0) { + transfer_fsck_objects = git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "receive.denycurrentbranch")) { deny_current_branch = parse_deny_action(var, value); return 0; @@ -147,7 +154,8 @@ static void write_head_info(void) struct command { struct command *next; const char *error_string; - unsigned int skip_update; + unsigned int skip_update:1, + did_not_exist:1; unsigned char old_sha1[20]; unsigned char new_sha1[20]; char ref_name[FLEX_ARRAY]; /* more */ @@ -205,21 +213,15 @@ static int copy_to_sideband(int in, int out, void *arg) return 0; } -static int run_receive_hook(struct command *commands, const char *hook_name) +typedef int (*feed_fn)(void *, const char **, size_t *); +static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_state) { - static char buf[sizeof(commands->old_sha1) * 2 + PATH_MAX + 4]; - struct command *cmd; struct child_process proc; struct async muxer; const char *argv[2]; - int have_input = 0, code; - - for (cmd = commands; !have_input && cmd; cmd = cmd->next) { - if (!cmd->error_string) - have_input = 1; - } + int code; - if (!have_input || access(hook_name, X_OK) < 0) + if (access(hook_name, X_OK) < 0) return 0; argv[0] = hook_name; @@ -247,15 +249,13 @@ static int run_receive_hook(struct command *commands, const char *hook_name) return code; } - for (cmd = commands; cmd; cmd = cmd->next) { - if (!cmd->error_string) { - size_t n = snprintf(buf, sizeof(buf), "%s %s %s\n", - sha1_to_hex(cmd->old_sha1), - sha1_to_hex(cmd->new_sha1), - cmd->ref_name); - if (write_in_full(proc.in, buf, n) != n) - break; - } + while (1) { + const char *buf; + size_t n; + if (feed(feed_state, &buf, &n)) + break; + if (write_in_full(proc.in, buf, n) != n) + break; } close(proc.in); if (use_sideband) @@ -263,6 +263,51 @@ static int run_receive_hook(struct command *commands, const char *hook_name) return finish_command(&proc); } +struct receive_hook_feed_state { + struct command *cmd; + int skip_broken; + struct strbuf buf; +}; + +static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep) +{ + struct receive_hook_feed_state *state = state_; + struct command *cmd = state->cmd; + + while (cmd && + state->skip_broken && (cmd->error_string || cmd->did_not_exist)) + cmd = cmd->next; + if (!cmd) + return -1; /* EOF */ + strbuf_reset(&state->buf); + strbuf_addf(&state->buf, "%s %s %s\n", + sha1_to_hex(cmd->old_sha1), sha1_to_hex(cmd->new_sha1), + cmd->ref_name); + state->cmd = cmd->next; + if (bufp) { + *bufp = state->buf.buf; + *sizep = state->buf.len; + } + return 0; +} + +static int run_receive_hook(struct command *commands, const char *hook_name, + int skip_broken) +{ + struct receive_hook_feed_state state; + int status; + + strbuf_init(&state.buf, 0); + state.cmd = commands; + state.skip_broken = skip_broken; + if (feed_receive_hook(&state, NULL, NULL)) + return 0; + state.cmd = commands; + status = run_and_feed_hook(hook_name, feed_receive_hook, &state); + strbuf_release(&state.buf); + return status; +} + static int run_update_hook(struct command *cmd) { static const char update_hook[] = "hooks/update"; @@ -356,7 +401,7 @@ static const char *update(struct command *cmd) struct ref_lock *lock; /* only refs/... are allowed */ - if (prefixcmp(name, "refs/") || check_ref_format(name + 5)) { + if (prefixcmp(name, "refs/") || check_refname_format(name + 5, 0)) { rp_error("refusing to create funny ref '%s' remotely", name); return "funny refname"; } @@ -445,8 +490,13 @@ static const char *update(struct command *cmd) if (is_null_sha1(new_sha1)) { if (!parse_object(old_sha1)) { - rp_warning("Allowing deletion of corrupt ref."); old_sha1 = NULL; + if (ref_exists(name)) { + rp_warning("Allowing deletion of corrupt ref."); + } else { + rp_warning("Deleting a non-existent ref."); + cmd->did_not_exist = 1; + } } if (delete_ref(namespaced_name, old_sha1, 0)) { rp_error("failed to delete %s", name); @@ -477,7 +527,7 @@ static void run_update_post_hook(struct command *commands) struct child_process proc; for (argc = 0, cmd = commands; cmd; cmd = cmd->next) { - if (cmd->error_string) + if (cmd->error_string || cmd->did_not_exist) continue; argc++; } @@ -488,7 +538,7 @@ static void run_update_post_hook(struct command *commands) for (argc = 1, cmd = commands; cmd; cmd = cmd->next) { char *p; - if (cmd->error_string) + if (cmd->error_string || cmd->did_not_exist) continue; p = xmalloc(strlen(cmd->ref_name) + 1); strcpy(p, cmd->ref_name); @@ -579,6 +629,48 @@ static void check_aliased_updates(struct command *commands) string_list_clear(&ref_list, 0); } +static int command_singleton_iterator(void *cb_data, unsigned char sha1[20]) +{ + struct command **cmd_list = cb_data; + struct command *cmd = *cmd_list; + + if (!cmd || is_null_sha1(cmd->new_sha1)) + return -1; /* end of list */ + *cmd_list = NULL; /* this returns only one */ + hashcpy(sha1, cmd->new_sha1); + return 0; +} + +static void set_connectivity_errors(struct command *commands) +{ + struct command *cmd; + + for (cmd = commands; cmd; cmd = cmd->next) { + struct command *singleton = cmd; + if (!check_everything_connected(command_singleton_iterator, + 0, &singleton)) + continue; + cmd->error_string = "missing necessary objects"; + } +} + +static int iterate_receive_command_list(void *cb_data, unsigned char sha1[20]) +{ + struct command **cmd_list = cb_data; + struct command *cmd = *cmd_list; + + while (cmd) { + if (!is_null_sha1(cmd->new_sha1)) { + hashcpy(sha1, cmd->new_sha1); + *cmd_list = cmd->next; + return 0; + } + cmd = cmd->next; + } + *cmd_list = NULL; + return -1; /* end of list */ +} + static void execute_commands(struct command *commands, const char *unpacker_error) { struct command *cmd; @@ -590,7 +682,12 @@ static void execute_commands(struct command *commands, const char *unpacker_erro return; } - if (run_receive_hook(commands, pre_receive_hook)) { + cmd = commands; + if (check_everything_connected(iterate_receive_command_list, + 0, &cmd)) + set_connectivity_errors(commands); + + if (run_receive_hook(commands, pre_receive_hook, 0)) { for (cmd = commands; cmd; cmd = cmd->next) cmd->error_string = "pre-receive hook declined"; return; @@ -674,6 +771,11 @@ static const char *unpack(void) struct pack_header hdr; const char *hdr_err; char hdr_arg[38]; + int fsck_objects = (receive_fsck_objects >= 0 + ? receive_fsck_objects + : transfer_fsck_objects >= 0 + ? transfer_fsck_objects + : 0); hdr_err = parse_pack_header(&hdr); if (hdr_err) @@ -686,7 +788,7 @@ static const char *unpack(void) int code, i = 0; const char *unpacker[4]; unpacker[i++] = "unpack-objects"; - if (receive_fsck_objects) + if (fsck_objects) unpacker[i++] = "--strict"; unpacker[i++] = hdr_arg; unpacker[i++] = NULL; @@ -706,7 +808,7 @@ static const char *unpack(void) keeper[i++] = "index-pack"; keeper[i++] = "--stdin"; - if (receive_fsck_objects) + if (fsck_objects) keeper[i++] = "--strict"; keeper[i++] = "--fix-thin"; keeper[i++] = hdr_arg; @@ -853,7 +955,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) unlink_or_warn(pack_lockfile); if (report_status) report(commands, unpack_status); - run_receive_hook(commands, post_receive_hook); + run_receive_hook(commands, post_receive_hook, 1); run_update_post_hook(commands); if (auto_gc) { const char *argv_gc_auto[] = { diff --git a/builtin/remote.c b/builtin/remote.c index f2a9c26dc3..c810643815 100644 --- a/builtin/remote.c +++ b/builtin/remote.c @@ -349,7 +349,8 @@ static int get_ref_states(const struct ref *remote_refs, struct ref_states *stat else string_list_append(&states->tracked, abbrev_branch(ref->name)); } - stale_refs = get_stale_heads(states->remote, fetch_map); + stale_refs = get_stale_heads(states->remote->fetch, + states->remote->fetch_refspec_nr, fetch_map); for (ref = stale_refs; ref; ref = ref->next) { struct string_list_item *item = string_list_append(&states->stale, abbrev_branch(ref->name)); @@ -389,8 +390,8 @@ static int get_push_ref_states(const struct ref *remote_refs, local_refs = get_local_heads(); push_map = copy_ref_list(remote_refs); - match_refs(local_refs, &push_map, remote->push_refspec_nr, - remote->push_refspec, MATCH_REFS_NONE); + match_push_refs(local_refs, &push_map, remote->push_refspec_nr, + remote->push_refspec, MATCH_REFS_NONE); states->push.strdup_strings = 1; for (ref = push_map; ref; ref = ref->next) { @@ -570,7 +571,7 @@ static int read_remote_branches(const char *refname, unsigned char orig_sha1[20]; const char *symref; - strbuf_addf(&buf, "refs/remotes/%s", rename->old); + strbuf_addf(&buf, "refs/remotes/%s/", rename->old); if (!prefixcmp(refname, buf.buf)) { item = string_list_append(rename->remote_branches, xstrdup(refname)); symref = resolve_ref(refname, orig_sha1, 1, &flag); @@ -621,10 +622,11 @@ static int mv(int argc, const char **argv) OPT_END() }; struct remote *oldremote, *newremote; - struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT; + struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT, + old_remote_context = STRBUF_INIT; struct string_list remote_branches = STRING_LIST_INIT_NODUP; struct rename_info rename; - int i; + int i, refspec_updated = 0; if (argc != 3) usage_with_options(builtin_remote_rename_usage, options); @@ -659,15 +661,25 @@ static int mv(int argc, const char **argv) strbuf_addf(&buf, "remote.%s.fetch", rename.new); if (git_config_set_multivar(buf.buf, NULL, NULL, 1)) return error("Could not remove config section '%s'", buf.buf); + strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old); for (i = 0; i < oldremote->fetch_refspec_nr; i++) { char *ptr; strbuf_reset(&buf2); strbuf_addstr(&buf2, oldremote->fetch_refspec[i]); - ptr = strstr(buf2.buf, rename.old); - if (ptr) - strbuf_splice(&buf2, ptr-buf2.buf, strlen(rename.old), - rename.new, strlen(rename.new)); + ptr = strstr(buf2.buf, old_remote_context.buf); + if (ptr) { + refspec_updated = 1; + strbuf_splice(&buf2, + ptr-buf2.buf + strlen(":refs/remotes/"), + strlen(rename.old), rename.new, + strlen(rename.new)); + } else + warning("Not updating non-default fetch respec\n" + "\t%s\n" + "\tPlease update the configuration manually if necessary.", + buf2.buf); + if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0)) return error("Could not append '%s'", buf.buf); } @@ -685,6 +697,9 @@ static int mv(int argc, const char **argv) } } + if (!refspec_updated) + return 0; + /* * First remove symrefs, then rename the rest, finally create * the new symrefs. @@ -1384,7 +1399,7 @@ static int set_branches(int argc, const char **argv) builtin_remote_setbranches_usage, 0); if (argc == 0) { error("no remote specified"); - usage_with_options(builtin_remote_seturl_usage, options); + usage_with_options(builtin_remote_setbranches_usage, options); } argv[argc] = NULL; @@ -1412,7 +1427,7 @@ static int set_url(int argc, const char **argv) "delete URLs"), OPT_END() }; - argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage, + argc = parse_options(argc, argv, NULL, options, builtin_remote_seturl_usage, PARSE_OPT_KEEP_ARGV0); if (add_mode && delete_mode) diff --git a/builtin/replace.c b/builtin/replace.c index fe3a647a36..517fa1031a 100644 --- a/builtin/replace.c +++ b/builtin/replace.c @@ -94,7 +94,7 @@ static int replace_object(const char *object_ref, const char *replace_ref, "refs/replace/%s", sha1_to_hex(object)) > sizeof(ref) - 1) die("replace ref name too long: %.*s...", 50, ref); - if (check_ref_format(ref)) + if (check_refname_format(ref, 0)) die("'%s' is not a valid ref name.", ref); if (!resolve_ref(ref, prev, 1, NULL)) diff --git a/builtin/rev-list.c b/builtin/rev-list.c index 56727e8c1d..ab3be7ca82 100644 --- a/builtin/rev-list.c +++ b/builtin/rev-list.c @@ -168,29 +168,24 @@ static void finish_commit(struct commit *commit, void *data) commit->buffer = NULL; } -static void finish_object(struct object *obj, const struct name_path *path, const char *name) +static void finish_object(struct object *obj, + const struct name_path *path, const char *name, + void *cb_data) { if (obj->type == OBJ_BLOB && !has_sha1_file(obj->sha1)) die("missing blob object '%s'", sha1_to_hex(obj->sha1)); } -static void show_object(struct object *obj, const struct name_path *path, const char *component) +static void show_object(struct object *obj, + const struct name_path *path, const char *component, + void *cb_data) { - char *name = path_name(path, component); - /* An object with name "foo\n0000000..." can be used to - * confuse downstream "git pack-objects" very badly. - */ - const char *ep = strchr(name, '\n'); + struct rev_info *info = cb_data; - finish_object(obj, path, name); - if (ep) { - printf("%s %.*s\n", sha1_to_hex(obj->sha1), - (int) (ep - name), - name); - } - else - printf("%s %s\n", sha1_to_hex(obj->sha1), name); - free(name); + finish_object(obj, path, component, cb_data); + if (info->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT) + parse_object(obj->sha1); + show_object_with_name(stdout, obj, path, component); } static void show_edge(struct commit *commit) diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 4c19f844a9..98d1cbecca 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -468,6 +468,14 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) return 0; } + if (argc > 2 && !strcmp(argv[1], "--resolve-git-dir")) { + const char *gitdir = resolve_gitdir(argv[2]); + if (!gitdir) + die("not a gitdir '%s'", argv[2]); + puts(gitdir); + return 0; + } + if (argc > 1 && !strcmp("-h", argv[1])) usage(builtin_rev_parse_usage); diff --git a/builtin/revert.c b/builtin/revert.c index 3117776c2c..1ea525c10e 100644 --- a/builtin/revert.c +++ b/builtin/revert.c @@ -13,6 +13,8 @@ #include "rerere.h" #include "merge-recursive.h" #include "refs.h" +#include "dir.h" +#include "sequencer.h" /* * This implements the builtins revert and cherry-pick. @@ -27,85 +29,201 @@ static const char * const revert_usage[] = { "git revert [options] <commit-ish>", + "git revert <subcommand>", NULL }; static const char * const cherry_pick_usage[] = { "git cherry-pick [options] <commit-ish>", + "git cherry-pick <subcommand>", NULL }; -static int edit, no_replay, no_commit, mainline, signoff, allow_ff; -static enum { REVERT, CHERRY_PICK } action; -static struct commit *commit; -static int commit_argc; -static const char **commit_argv; -static int allow_rerere_auto; - -static const char *me; +enum replay_action { REVERT, CHERRY_PICK }; +enum replay_subcommand { + REPLAY_NONE, + REPLAY_REMOVE_STATE, + REPLAY_CONTINUE, + REPLAY_ROLLBACK +}; -/* Merge strategy. */ -static const char *strategy; -static const char **xopts; -static size_t xopts_nr, xopts_alloc; +struct replay_opts { + enum replay_action action; + enum replay_subcommand subcommand; + + /* Boolean options */ + int edit; + int record_origin; + int no_commit; + int signoff; + int allow_ff; + int allow_rerere_auto; + + int mainline; + int commit_argc; + const char **commit_argv; + + /* Merge strategy */ + const char *strategy; + const char **xopts; + size_t xopts_nr, xopts_alloc; +}; #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION" +static const char *action_name(const struct replay_opts *opts) +{ + return opts->action == REVERT ? "revert" : "cherry-pick"; +} + static char *get_encoding(const char *message); -static const char * const *revert_or_cherry_pick_usage(void) +static const char * const *revert_or_cherry_pick_usage(struct replay_opts *opts) { - return action == REVERT ? revert_usage : cherry_pick_usage; + return opts->action == REVERT ? revert_usage : cherry_pick_usage; } static int option_parse_x(const struct option *opt, const char *arg, int unset) { + struct replay_opts **opts_ptr = opt->value; + struct replay_opts *opts = *opts_ptr; + if (unset) return 0; - ALLOC_GROW(xopts, xopts_nr + 1, xopts_alloc); - xopts[xopts_nr++] = xstrdup(arg); + ALLOC_GROW(opts->xopts, opts->xopts_nr + 1, opts->xopts_alloc); + opts->xopts[opts->xopts_nr++] = xstrdup(arg); return 0; } -static void parse_args(int argc, const char **argv) +static void verify_opt_compatible(const char *me, const char *base_opt, ...) { - const char * const * usage_str = revert_or_cherry_pick_usage(); - int noop; + const char *this_opt; + va_list ap; + + va_start(ap, base_opt); + while ((this_opt = va_arg(ap, const char *))) { + if (va_arg(ap, int)) + break; + } + va_end(ap); + + if (this_opt) + die(_("%s: %s cannot be used with %s"), me, this_opt, base_opt); +} + +static void verify_opt_mutually_compatible(const char *me, ...) +{ + const char *opt1, *opt2 = NULL; + va_list ap; + + va_start(ap, me); + while ((opt1 = va_arg(ap, const char *))) { + if (va_arg(ap, int)) + break; + } + if (opt1) { + while ((opt2 = va_arg(ap, const char *))) { + if (va_arg(ap, int)) + break; + } + } + + if (opt1 && opt2) + die(_("%s: %s cannot be used with %s"), me, opt1, opt2); +} + +static void parse_args(int argc, const char **argv, struct replay_opts *opts) +{ + const char * const * usage_str = revert_or_cherry_pick_usage(opts); + const char *me = action_name(opts); + int remove_state = 0; + int contin = 0; + int rollback = 0; struct option options[] = { - OPT_BOOLEAN('n', "no-commit", &no_commit, "don't automatically commit"), - OPT_BOOLEAN('e', "edit", &edit, "edit the commit message"), - { OPTION_BOOLEAN, 'r', NULL, &noop, NULL, "no-op (backward compatibility)", - PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 0 }, - OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"), - OPT_INTEGER('m', "mainline", &mainline, "parent number"), - OPT_RERERE_AUTOUPDATE(&allow_rerere_auto), - OPT_STRING(0, "strategy", &strategy, "strategy", "merge strategy"), - OPT_CALLBACK('X', "strategy-option", &xopts, "option", + OPT_BOOLEAN(0, "quit", &remove_state, "end revert or cherry-pick sequence"), + OPT_BOOLEAN(0, "continue", &contin, "resume revert or cherry-pick sequence"), + OPT_BOOLEAN(0, "abort", &rollback, "cancel revert or cherry-pick sequence"), + OPT_BOOLEAN('n', "no-commit", &opts->no_commit, "don't automatically commit"), + OPT_BOOLEAN('e', "edit", &opts->edit, "edit the commit message"), + OPT_NOOP_NOARG('r', NULL), + OPT_BOOLEAN('s', "signoff", &opts->signoff, "add Signed-off-by:"), + OPT_INTEGER('m', "mainline", &opts->mainline, "parent number"), + OPT_RERERE_AUTOUPDATE(&opts->allow_rerere_auto), + OPT_STRING(0, "strategy", &opts->strategy, "strategy", "merge strategy"), + OPT_CALLBACK('X', "strategy-option", &opts, "option", "option for merge strategy", option_parse_x), OPT_END(), OPT_END(), OPT_END(), }; - if (action == CHERRY_PICK) { + if (opts->action == CHERRY_PICK) { struct option cp_extra[] = { - OPT_BOOLEAN('x', NULL, &no_replay, "append commit name"), - OPT_BOOLEAN(0, "ff", &allow_ff, "allow fast-forward"), + OPT_BOOLEAN('x', NULL, &opts->record_origin, "append commit name"), + OPT_BOOLEAN(0, "ff", &opts->allow_ff, "allow fast-forward"), OPT_END(), }; if (parse_options_concat(options, ARRAY_SIZE(options), cp_extra)) die(_("program error")); } - commit_argc = parse_options(argc, argv, NULL, options, usage_str, - PARSE_OPT_KEEP_ARGV0 | - PARSE_OPT_KEEP_UNKNOWN); - if (commit_argc < 2) + opts->commit_argc = parse_options(argc, argv, NULL, options, usage_str, + PARSE_OPT_KEEP_ARGV0 | + PARSE_OPT_KEEP_UNKNOWN); + + /* Check for incompatible subcommands */ + verify_opt_mutually_compatible(me, + "--quit", remove_state, + "--continue", contin, + "--abort", rollback, + NULL); + + /* Set the subcommand */ + if (remove_state) + opts->subcommand = REPLAY_REMOVE_STATE; + else if (contin) + opts->subcommand = REPLAY_CONTINUE; + else if (rollback) + opts->subcommand = REPLAY_ROLLBACK; + else + opts->subcommand = REPLAY_NONE; + + /* Check for incompatible command line arguments */ + if (opts->subcommand != REPLAY_NONE) { + char *this_operation; + if (opts->subcommand == REPLAY_REMOVE_STATE) + this_operation = "--quit"; + else if (opts->subcommand == REPLAY_CONTINUE) + this_operation = "--continue"; + else { + assert(opts->subcommand == REPLAY_ROLLBACK); + this_operation = "--abort"; + } + + verify_opt_compatible(me, this_operation, + "--no-commit", opts->no_commit, + "--signoff", opts->signoff, + "--mainline", opts->mainline, + "--strategy", opts->strategy ? 1 : 0, + "--strategy-option", opts->xopts ? 1 : 0, + "-x", opts->record_origin, + "--ff", opts->allow_ff, + NULL); + } + + else if (opts->commit_argc < 2) usage_with_options(usage_str, options); - commit_argv = argv; + if (opts->allow_ff) + verify_opt_compatible(me, "--ff", + "--signoff", opts->signoff, + "--no-commit", opts->no_commit, + "-x", opts->record_origin, + "--edit", opts->edit, + NULL); + opts->commit_argv = argv; } struct commit_message { @@ -116,25 +234,25 @@ struct commit_message { const char *message; }; -static int get_message(const char *raw_message, struct commit_message *out) +static int get_message(struct commit *commit, struct commit_message *out) { const char *encoding; const char *abbrev, *subject; int abbrev_len, subject_len; char *q; - if (!raw_message) + if (!commit->buffer) return -1; - encoding = get_encoding(raw_message); + encoding = get_encoding(commit->buffer); if (!encoding) encoding = "UTF-8"; if (!git_commit_encoding) git_commit_encoding = "UTF-8"; out->reencoded_message = NULL; - out->message = raw_message; + out->message = commit->buffer; if (strcmp(encoding, git_commit_encoding)) - out->reencoded_message = reencode_string(raw_message, + out->reencoded_message = reencode_string(commit->buffer, git_commit_encoding, encoding); if (out->reencoded_message) out->message = out->reencoded_message; @@ -167,9 +285,6 @@ static char *get_encoding(const char *message) { const char *p = message, *eol; - if (!p) - die (_("Could not read commit message of %s"), - sha1_to_hex(commit->object.sha1)); while (*p && *p != '\n') { for (eol = p + 1; *eol && *eol != '\n'; eol++) ; /* do nothing */ @@ -185,45 +300,24 @@ static char *get_encoding(const char *message) return NULL; } -static void add_message_to_msg(struct strbuf *msgbuf, const char *message) -{ - const char *p = message; - while (*p && (*p != '\n' || p[1] != '\n')) - p++; - - if (!*p) - strbuf_addstr(msgbuf, sha1_to_hex(commit->object.sha1)); - - p += 2; - strbuf_addstr(msgbuf, p); -} - -static void write_cherry_pick_head(void) +static void write_cherry_pick_head(struct commit *commit, const char *pseudoref) { + const char *filename; int fd; struct strbuf buf = STRBUF_INIT; strbuf_addf(&buf, "%s\n", sha1_to_hex(commit->object.sha1)); - fd = open(git_path("CHERRY_PICK_HEAD"), O_WRONLY | O_CREAT, 0666); + filename = git_path("%s", pseudoref); + fd = open(filename, O_WRONLY | O_CREAT, 0666); if (fd < 0) - die_errno(_("Could not open '%s' for writing"), - git_path("CHERRY_PICK_HEAD")); + die_errno(_("Could not open '%s' for writing"), filename); if (write_in_full(fd, buf.buf, buf.len) != buf.len || close(fd)) - die_errno(_("Could not write to '%s'"), git_path("CHERRY_PICK_HEAD")); + die_errno(_("Could not write to '%s'"), filename); strbuf_release(&buf); } -static void advise(const char *advice, ...) -{ - va_list params; - - va_start(params, advice); - vreportf("hint: ", advice, params); - va_end(params); -} - -static void print_advice(void) +static void print_advice(int show_hint) { char *msg = getenv("GIT_CHERRY_PICK_HELP"); @@ -238,9 +332,11 @@ static void print_advice(void) return; } - advise("after resolving the conflicts, mark the corrected paths"); - advise("with 'git add <paths>' or 'git rm <paths>'"); - advise("and commit the result with 'git commit'"); + if (show_hint) { + advise("after resolving the conflicts, mark the corrected paths"); + advise("with 'git add <paths>' or 'git rm <paths>'"); + advise("and commit the result with 'git commit'"); + } } static void write_message(struct strbuf *msgbuf, const char *filename) @@ -250,7 +346,7 @@ static void write_message(struct strbuf *msgbuf, const char *filename) int msg_fd = hold_lock_file_for_update(&msg_file, filename, LOCK_DIE_ON_ERROR); if (write_in_full(msg_fd, msgbuf->buf, msgbuf->len) < 0) - die_errno(_("Could not write to %s."), filename); + die_errno(_("Could not write to %s"), filename); strbuf_release(msgbuf); if (commit_lock_file(&msg_file) < 0) die(_("Error wrapping up %s"), filename); @@ -261,25 +357,20 @@ static struct tree *empty_tree(void) return lookup_tree((const unsigned char *)EMPTY_TREE_SHA1_BIN); } -static NORETURN void die_dirty_index(const char *me) +static int error_dirty_index(struct replay_opts *opts) { - if (read_cache_unmerged()) { - die_resolve_conflict(me); - } else { - if (advice_commit_before_merge) { - if (action == REVERT) - die(_("Your local changes would be overwritten by revert.\n" - "Please, commit your changes or stash them to proceed.")); - else - die(_("Your local changes would be overwritten by cherry-pick.\n" - "Please, commit your changes or stash them to proceed.")); - } else { - if (action == REVERT) - die(_("Your local changes would be overwritten by revert.\n")); - else - die(_("Your local changes would be overwritten by cherry-pick.\n")); - } - } + if (read_cache_unmerged()) + return error_resolve_conflict(action_name(opts)); + + /* Different translation strings for cherry-pick and revert */ + if (opts->action == CHERRY_PICK) + error(_("Your local changes would be overwritten by cherry-pick.")); + else + error(_("Your local changes would be overwritten by revert.")); + + if (advice_commit_before_merge) + advise(_("Commit your changes or stash them to proceed.")); + return -1; } static int fast_forward_to(const unsigned char *to, const unsigned char *from) @@ -295,7 +386,8 @@ static int fast_forward_to(const unsigned char *to, const unsigned char *from) static int do_recursive_merge(struct commit *base, struct commit *next, const char *base_label, const char *next_label, - unsigned char *head, struct strbuf *msgbuf) + unsigned char *head, struct strbuf *msgbuf, + struct replay_opts *opts) { struct merge_options o; struct tree *result, *next_tree, *base_tree, *head_tree; @@ -316,7 +408,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next, next_tree = next ? next->tree : empty_tree(); base_tree = base ? base->tree : empty_tree(); - for (xopt = xopts; xopt != xopts + xopts_nr; xopt++) + for (xopt = opts->xopts; xopt != opts->xopts + opts->xopts_nr; xopt++) parse_merge_opt(&o, *xopt); clean = merge_trees(&o, @@ -327,7 +419,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next, (write_cache(index_fd, active_cache, active_nr) || commit_locked_index(&index_lock))) /* TRANSLATORS: %s will be "revert" or "cherry-pick" */ - die(_("%s: Unable to write new index file"), me); + die(_("%s: Unable to write new index file"), action_name(opts)); rollback_lock_file(&index_lock); if (!clean) { @@ -356,7 +448,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next, * If we are revert, or if our cherry-pick results in a hand merge, * we had better say that the current user is responsible for that. */ -static int run_git_commit(const char *defmsg) +static int run_git_commit(const char *defmsg, struct replay_opts *opts) { /* 6 is max possible length of our args array including NULL */ const char *args[6]; @@ -364,9 +456,9 @@ static int run_git_commit(const char *defmsg) args[i++] = "commit"; args[i++] = "-n"; - if (signoff) + if (opts->signoff) args[i++] = "-s"; - if (!edit) { + if (!opts->edit) { args[i++] = "-F"; args[i++] = defmsg; } @@ -375,7 +467,7 @@ static int run_git_commit(const char *defmsg) return run_command_v_opt(args, RUN_GIT_CMD); } -static int do_pick_commit(void) +static int do_pick_commit(struct commit *commit, struct replay_opts *opts) { unsigned char head[20]; struct commit *base, *next, *parent; @@ -385,7 +477,7 @@ static int do_pick_commit(void) struct strbuf msgbuf = STRBUF_INIT; int res; - if (no_commit) { + if (opts->no_commit) { /* * We do not intend to commit immediately. We just want to * merge the differences in, so let's compute the tree @@ -396,9 +488,9 @@ static int do_pick_commit(void) die (_("Your index file is unmerged.")); } else { if (get_sha1("HEAD", head)) - die (_("You do not have a valid HEAD")); + return error(_("You do not have a valid HEAD")); if (index_differs_from("HEAD", 0)) - die_dirty_index(me); + return error_dirty_index(opts); } discard_cache(); @@ -410,36 +502,36 @@ static int do_pick_commit(void) int cnt; struct commit_list *p; - if (!mainline) - die(_("Commit %s is a merge but no -m option was given."), - sha1_to_hex(commit->object.sha1)); + if (!opts->mainline) + return error(_("Commit %s is a merge but no -m option was given."), + sha1_to_hex(commit->object.sha1)); for (cnt = 1, p = commit->parents; - cnt != mainline && p; + cnt != opts->mainline && p; cnt++) p = p->next; - if (cnt != mainline || !p) - die(_("Commit %s does not have parent %d"), - sha1_to_hex(commit->object.sha1), mainline); + if (cnt != opts->mainline || !p) + return error(_("Commit %s does not have parent %d"), + sha1_to_hex(commit->object.sha1), opts->mainline); parent = p->item; - } else if (0 < mainline) - die(_("Mainline was specified but commit %s is not a merge."), - sha1_to_hex(commit->object.sha1)); + } else if (0 < opts->mainline) + return error(_("Mainline was specified but commit %s is not a merge."), + sha1_to_hex(commit->object.sha1)); else parent = commit->parents->item; - if (allow_ff && parent && !hashcmp(parent->object.sha1, head)) + if (opts->allow_ff && parent && !hashcmp(parent->object.sha1, head)) return fast_forward_to(commit->object.sha1, head); if (parent && parse_commit(parent) < 0) /* TRANSLATORS: The first %s will be "revert" or "cherry-pick", the second %s a SHA1 */ - die(_("%s: cannot parse parent commit %s"), - me, sha1_to_hex(parent->object.sha1)); + return error(_("%s: cannot parse parent commit %s"), + action_name(opts), sha1_to_hex(parent->object.sha1)); - if (get_message(commit->buffer, &msg) != 0) - die(_("Cannot get commit message for %s"), - sha1_to_hex(commit->object.sha1)); + if (get_message(commit, &msg) != 0) + return error(_("Cannot get commit message for %s"), + sha1_to_hex(commit->object.sha1)); /* * "commit" is an existing commit. We would want to apply @@ -450,7 +542,7 @@ static int do_pick_commit(void) defmsg = git_pathdup("MERGE_MSG"); - if (action == REVERT) { + if (opts->action == REVERT) { base = commit; base_label = msg.label; next = parent; @@ -466,23 +558,34 @@ static int do_pick_commit(void) } strbuf_addstr(&msgbuf, ".\n"); } else { + const char *p; + base = parent; base_label = msg.parent_label; next = commit; next_label = msg.label; - add_message_to_msg(&msgbuf, msg.message); - if (no_replay) { + + /* + * Append the commit log message to msgbuf; it starts + * after the tree, parent, author, committer + * information followed by "\n\n". + */ + p = strstr(msg.message, "\n\n"); + if (p) { + p += 2; + strbuf_addstr(&msgbuf, p); + } + + if (opts->record_origin) { strbuf_addstr(&msgbuf, "(cherry picked from commit "); strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1)); strbuf_addstr(&msgbuf, ")\n"); } - if (!no_commit) - write_cherry_pick_head(); } - if (!strategy || !strcmp(strategy, "recursive") || action == REVERT) { + if (!opts->strategy || !strcmp(opts->strategy, "recursive") || opts->action == REVERT) { res = do_recursive_merge(base, next, base_label, next_label, - head, &msgbuf); + head, &msgbuf, opts); write_message(&msgbuf, defmsg); } else { struct commit_list *common = NULL; @@ -492,23 +595,34 @@ static int do_pick_commit(void) commit_list_insert(base, &common); commit_list_insert(next, &remotes); - res = try_merge_command(strategy, xopts_nr, xopts, common, - sha1_to_hex(head), remotes); + res = try_merge_command(opts->strategy, opts->xopts_nr, opts->xopts, + common, sha1_to_hex(head), remotes); free_commit_list(common); free_commit_list(remotes); } + /* + * If the merge was clean or if it failed due to conflict, we write + * CHERRY_PICK_HEAD for the subsequent invocation of commit to use. + * However, if the merge did not even start, then we don't want to + * write it at all. + */ + if (opts->action == CHERRY_PICK && !opts->no_commit && (res == 0 || res == 1)) + write_cherry_pick_head(commit, "CHERRY_PICK_HEAD"); + if (opts->action == REVERT && ((opts->no_commit && res == 0) || res == 1)) + write_cherry_pick_head(commit, "REVERT_HEAD"); + if (res) { - error(action == REVERT + error(opts->action == REVERT ? _("could not revert %s... %s") : _("could not apply %s... %s"), find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV), msg.subject); - print_advice(); - rerere(allow_rerere_auto); + print_advice(res == 1); + rerere(opts->allow_rerere_auto); } else { - if (!no_commit) - res = run_git_commit(defmsg); + if (!opts->no_commit) + res = run_git_commit(defmsg, opts); } free_message(&msg); @@ -517,18 +631,18 @@ static int do_pick_commit(void) return res; } -static void prepare_revs(struct rev_info *revs) +static void prepare_revs(struct rev_info *revs, struct replay_opts *opts) { int argc; init_revisions(revs, NULL); revs->no_walk = 1; - if (action != REVERT) + if (opts->action != REVERT) revs->reverse = 1; - argc = setup_revisions(commit_argc, commit_argv, revs, NULL); + argc = setup_revisions(opts->commit_argc, opts->commit_argv, revs, NULL); if (argc > 1) - usage(*revert_or_cherry_pick_usage()); + usage(*revert_or_cherry_pick_usage(opts)); if (prepare_revision_walk(revs)) die(_("revision walk setup failed")); @@ -537,64 +651,470 @@ static void prepare_revs(struct rev_info *revs) die(_("empty commit set passed")); } -static void read_and_refresh_cache(const char *me) +static void read_and_refresh_cache(struct replay_opts *opts) { static struct lock_file index_lock; int index_fd = hold_locked_index(&index_lock, 0); if (read_index_preload(&the_index, NULL) < 0) - die(_("git %s: failed to read the index"), me); + die(_("git %s: failed to read the index"), action_name(opts)); refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, NULL, NULL, NULL); if (the_index.cache_changed) { if (write_index(&the_index, index_fd) || commit_locked_index(&index_lock)) - die(_("git %s: failed to refresh the index"), me); + die(_("git %s: failed to refresh the index"), action_name(opts)); } rollback_lock_file(&index_lock); } -static int revert_or_cherry_pick(int argc, const char **argv) +/* + * Append a commit to the end of the commit_list. + * + * next starts by pointing to the variable that holds the head of an + * empty commit_list, and is updated to point to the "next" field of + * the last item on the list as new commits are appended. + * + * Usage example: + * + * struct commit_list *list; + * struct commit_list **next = &list; + * + * next = commit_list_append(c1, next); + * next = commit_list_append(c2, next); + * assert(commit_list_count(list) == 2); + * return list; + */ +static struct commit_list **commit_list_append(struct commit *commit, + struct commit_list **next) +{ + struct commit_list *new = xmalloc(sizeof(struct commit_list)); + new->item = commit; + *next = new; + new->next = NULL; + return &new->next; +} + +static int format_todo(struct strbuf *buf, struct commit_list *todo_list, + struct replay_opts *opts) +{ + struct commit_list *cur = NULL; + struct commit_message msg = { NULL, NULL, NULL, NULL, NULL }; + const char *sha1_abbrev = NULL; + const char *action_str = opts->action == REVERT ? "revert" : "pick"; + + for (cur = todo_list; cur; cur = cur->next) { + sha1_abbrev = find_unique_abbrev(cur->item->object.sha1, DEFAULT_ABBREV); + if (get_message(cur->item, &msg)) + return error(_("Cannot get commit message for %s"), sha1_abbrev); + strbuf_addf(buf, "%s %s %s\n", action_str, sha1_abbrev, msg.subject); + } + return 0; +} + +static struct commit *parse_insn_line(char *start, struct replay_opts *opts) +{ + unsigned char commit_sha1[20]; + char sha1_abbrev[40]; + enum replay_action action; + int insn_len = 0; + char *p, *q; + + if (!prefixcmp(start, "pick ")) { + action = CHERRY_PICK; + insn_len = strlen("pick"); + p = start + insn_len + 1; + } else if (!prefixcmp(start, "revert ")) { + action = REVERT; + insn_len = strlen("revert"); + p = start + insn_len + 1; + } else + return NULL; + + q = strchr(p, ' '); + if (!q) + return NULL; + q++; + + strlcpy(sha1_abbrev, p, q - p); + + /* + * Verify that the action matches up with the one in + * opts; we don't support arbitrary instructions + */ + if (action != opts->action) { + const char *action_str; + action_str = action == REVERT ? "revert" : "cherry-pick"; + error(_("Cannot %s during a %s"), action_str, action_name(opts)); + return NULL; + } + + if (get_sha1(sha1_abbrev, commit_sha1) < 0) + return NULL; + + return lookup_commit_reference(commit_sha1); +} + +static int parse_insn_buffer(char *buf, struct commit_list **todo_list, + struct replay_opts *opts) +{ + struct commit_list **next = todo_list; + struct commit *commit; + char *p = buf; + int i; + + for (i = 1; *p; i++) { + commit = parse_insn_line(p, opts); + if (!commit) + return error(_("Could not parse line %d."), i); + next = commit_list_append(commit, next); + p = strchrnul(p, '\n'); + if (*p) + p++; + } + if (!*todo_list) + return error(_("No commits parsed.")); + return 0; +} + +static void read_populate_todo(struct commit_list **todo_list, + struct replay_opts *opts) +{ + const char *todo_file = git_path(SEQ_TODO_FILE); + struct strbuf buf = STRBUF_INIT; + int fd, res; + + fd = open(todo_file, O_RDONLY); + if (fd < 0) + die_errno(_("Could not open %s"), todo_file); + if (strbuf_read(&buf, fd, 0) < 0) { + close(fd); + strbuf_release(&buf); + die(_("Could not read %s."), todo_file); + } + close(fd); + + res = parse_insn_buffer(buf.buf, todo_list, opts); + strbuf_release(&buf); + if (res) + die(_("Unusable instruction sheet: %s"), todo_file); +} + +static int populate_opts_cb(const char *key, const char *value, void *data) +{ + struct replay_opts *opts = data; + int error_flag = 1; + + if (!value) + error_flag = 0; + else if (!strcmp(key, "options.no-commit")) + opts->no_commit = git_config_bool_or_int(key, value, &error_flag); + else if (!strcmp(key, "options.edit")) + opts->edit = git_config_bool_or_int(key, value, &error_flag); + else if (!strcmp(key, "options.signoff")) + opts->signoff = git_config_bool_or_int(key, value, &error_flag); + else if (!strcmp(key, "options.record-origin")) + opts->record_origin = git_config_bool_or_int(key, value, &error_flag); + else if (!strcmp(key, "options.allow-ff")) + opts->allow_ff = git_config_bool_or_int(key, value, &error_flag); + else if (!strcmp(key, "options.mainline")) + opts->mainline = git_config_int(key, value); + else if (!strcmp(key, "options.strategy")) + git_config_string(&opts->strategy, key, value); + else if (!strcmp(key, "options.strategy-option")) { + ALLOC_GROW(opts->xopts, opts->xopts_nr + 1, opts->xopts_alloc); + opts->xopts[opts->xopts_nr++] = xstrdup(value); + } else + return error(_("Invalid key: %s"), key); + + if (!error_flag) + return error(_("Invalid value for %s: %s"), key, value); + + return 0; +} + +static void read_populate_opts(struct replay_opts **opts_ptr) +{ + const char *opts_file = git_path(SEQ_OPTS_FILE); + + if (!file_exists(opts_file)) + return; + if (git_config_from_file(populate_opts_cb, opts_file, *opts_ptr) < 0) + die(_("Malformed options sheet: %s"), opts_file); +} + +static void walk_revs_populate_todo(struct commit_list **todo_list, + struct replay_opts *opts) { struct rev_info revs; + struct commit *commit; + struct commit_list **next; - git_config(git_default_config, NULL); - me = action == REVERT ? "revert" : "cherry-pick"; - setenv(GIT_REFLOG_ACTION, me, 0); - parse_args(argc, argv); + prepare_revs(&revs, opts); + + next = todo_list; + while ((commit = get_revision(&revs))) + next = commit_list_append(commit, next); +} + +static int create_seq_dir(void) +{ + const char *seq_dir = git_path(SEQ_DIR); - if (allow_ff) { - if (signoff) - die(_("cherry-pick --ff cannot be used with --signoff")); - if (no_commit) - die(_("cherry-pick --ff cannot be used with --no-commit")); - if (no_replay) - die(_("cherry-pick --ff cannot be used with -x")); - if (edit) - die(_("cherry-pick --ff cannot be used with --edit")); + if (file_exists(seq_dir)) { + error(_("a cherry-pick or revert is already in progress")); + advise(_("try \"git cherry-pick (--continue | --quit | --abort)\"")); + return -1; } + else if (mkdir(seq_dir, 0777) < 0) + die_errno(_("Could not create sequencer directory %s"), seq_dir); + return 0; +} - read_and_refresh_cache(me); +static void save_head(const char *head) +{ + const char *head_file = git_path(SEQ_HEAD_FILE); + static struct lock_file head_lock; + struct strbuf buf = STRBUF_INIT; + int fd; + + fd = hold_lock_file_for_update(&head_lock, head_file, LOCK_DIE_ON_ERROR); + strbuf_addf(&buf, "%s\n", head); + if (write_in_full(fd, buf.buf, buf.len) < 0) + die_errno(_("Could not write to %s"), head_file); + if (commit_lock_file(&head_lock) < 0) + die(_("Error wrapping up %s."), head_file); +} + +static int reset_for_rollback(const unsigned char *sha1) +{ + const char *argv[4]; /* reset --merge <arg> + NULL */ + argv[0] = "reset"; + argv[1] = "--merge"; + argv[2] = sha1_to_hex(sha1); + argv[3] = NULL; + return run_command_v_opt(argv, RUN_GIT_CMD); +} + +static int rollback_single_pick(void) +{ + unsigned char head_sha1[20]; + + if (!file_exists(git_path("CHERRY_PICK_HEAD")) && + !file_exists(git_path("REVERT_HEAD"))) + return error(_("no cherry-pick or revert in progress")); + if (!resolve_ref("HEAD", head_sha1, 0, NULL)) + return error(_("cannot resolve HEAD")); + if (is_null_sha1(head_sha1)) + return error(_("cannot abort from a branch yet to be born")); + return reset_for_rollback(head_sha1); +} + +static int sequencer_rollback(struct replay_opts *opts) +{ + const char *filename; + FILE *f; + unsigned char sha1[20]; + struct strbuf buf = STRBUF_INIT; - prepare_revs(&revs); + filename = git_path(SEQ_HEAD_FILE); + f = fopen(filename, "r"); + if (!f && errno == ENOENT) { + /* + * There is no multiple-cherry-pick in progress. + * If CHERRY_PICK_HEAD or REVERT_HEAD indicates + * a single-cherry-pick in progress, abort that. + */ + return rollback_single_pick(); + } + if (!f) + return error(_("cannot open %s: %s"), filename, + strerror(errno)); + if (strbuf_getline(&buf, f, '\n')) { + error(_("cannot read %s: %s"), filename, ferror(f) ? + strerror(errno) : _("unexpected end of file")); + fclose(f); + goto fail; + } + fclose(f); + if (get_sha1_hex(buf.buf, sha1) || buf.buf[40] != '\0') { + error(_("stored pre-cherry-pick HEAD file '%s' is corrupt"), + filename); + goto fail; + } + if (reset_for_rollback(sha1)) + goto fail; + remove_sequencer_state(1); + strbuf_release(&buf); + return 0; +fail: + strbuf_release(&buf); + return -1; +} - while ((commit = get_revision(&revs))) { - int res = do_pick_commit(); - if (res) +static void save_todo(struct commit_list *todo_list, struct replay_opts *opts) +{ + const char *todo_file = git_path(SEQ_TODO_FILE); + static struct lock_file todo_lock; + struct strbuf buf = STRBUF_INIT; + int fd; + + fd = hold_lock_file_for_update(&todo_lock, todo_file, LOCK_DIE_ON_ERROR); + if (format_todo(&buf, todo_list, opts) < 0) + die(_("Could not format %s."), todo_file); + if (write_in_full(fd, buf.buf, buf.len) < 0) { + strbuf_release(&buf); + die_errno(_("Could not write to %s"), todo_file); + } + if (commit_lock_file(&todo_lock) < 0) { + strbuf_release(&buf); + die(_("Error wrapping up %s."), todo_file); + } + strbuf_release(&buf); +} + +static void save_opts(struct replay_opts *opts) +{ + const char *opts_file = git_path(SEQ_OPTS_FILE); + + if (opts->no_commit) + git_config_set_in_file(opts_file, "options.no-commit", "true"); + if (opts->edit) + git_config_set_in_file(opts_file, "options.edit", "true"); + if (opts->signoff) + git_config_set_in_file(opts_file, "options.signoff", "true"); + if (opts->record_origin) + git_config_set_in_file(opts_file, "options.record-origin", "true"); + if (opts->allow_ff) + git_config_set_in_file(opts_file, "options.allow-ff", "true"); + if (opts->mainline) { + struct strbuf buf = STRBUF_INIT; + strbuf_addf(&buf, "%d", opts->mainline); + git_config_set_in_file(opts_file, "options.mainline", buf.buf); + strbuf_release(&buf); + } + if (opts->strategy) + git_config_set_in_file(opts_file, "options.strategy", opts->strategy); + if (opts->xopts) { + int i; + for (i = 0; i < opts->xopts_nr; i++) + git_config_set_multivar_in_file(opts_file, + "options.strategy-option", + opts->xopts[i], "^$", 0); + } +} + +static int pick_commits(struct commit_list *todo_list, struct replay_opts *opts) +{ + struct commit_list *cur; + int res; + + setenv(GIT_REFLOG_ACTION, action_name(opts), 0); + if (opts->allow_ff) + assert(!(opts->signoff || opts->no_commit || + opts->record_origin || opts->edit)); + read_and_refresh_cache(opts); + + for (cur = todo_list; cur; cur = cur->next) { + save_todo(cur, opts); + res = do_pick_commit(cur->item, opts); + if (res) { + if (!cur->next) + /* + * An error was encountered while + * picking the last commit; the + * sequencer state is useless now -- + * the user simply needs to resolve + * the conflict and commit + */ + remove_sequencer_state(0); return res; + } } + /* + * Sequence of picks finished successfully; cleanup by + * removing the .git/sequencer directory + */ + remove_sequencer_state(1); return 0; } +static int pick_revisions(struct replay_opts *opts) +{ + struct commit_list *todo_list = NULL; + unsigned char sha1[20]; + + read_and_refresh_cache(opts); + + /* + * Decide what to do depending on the arguments; a fresh + * cherry-pick should be handled differently from an existing + * one that is being continued + */ + if (opts->subcommand == REPLAY_REMOVE_STATE) { + remove_sequencer_state(1); + return 0; + } + if (opts->subcommand == REPLAY_ROLLBACK) + return sequencer_rollback(opts); + if (opts->subcommand == REPLAY_CONTINUE) { + if (!file_exists(git_path(SEQ_TODO_FILE))) + return error(_("No %s in progress"), action_name(opts)); + read_populate_opts(&opts); + read_populate_todo(&todo_list, opts); + + /* Verify that the conflict has been resolved */ + if (!index_differs_from("HEAD", 0)) + todo_list = todo_list->next; + return pick_commits(todo_list, opts); + } + + /* + * Start a new cherry-pick/ revert sequence; but + * first, make sure that an existing one isn't in + * progress + */ + + walk_revs_populate_todo(&todo_list, opts); + if (create_seq_dir() < 0) + return -1; + if (get_sha1("HEAD", sha1)) { + if (opts->action == REVERT) + return error(_("Can't revert as initial commit")); + return error(_("Can't cherry-pick into empty head")); + } + save_head(sha1_to_hex(sha1)); + save_opts(opts); + return pick_commits(todo_list, opts); +} + int cmd_revert(int argc, const char **argv, const char *prefix) { + struct replay_opts opts; + int res; + + memset(&opts, 0, sizeof(opts)); if (isatty(0)) - edit = 1; - action = REVERT; - return revert_or_cherry_pick(argc, argv); + opts.edit = 1; + opts.action = REVERT; + git_config(git_default_config, NULL); + parse_args(argc, argv, &opts); + res = pick_revisions(&opts); + if (res < 0) + die(_("revert failed")); + return res; } int cmd_cherry_pick(int argc, const char **argv, const char *prefix) { - action = CHERRY_PICK; - return revert_or_cherry_pick(argc, argv); + struct replay_opts opts; + int res; + + memset(&opts, 0, sizeof(opts)); + opts.action = CHERRY_PICK; + git_config(git_default_config, NULL); + parse_args(argc, argv, &opts); + res = pick_revisions(&opts); + if (res < 0) + die(_("cherry-pick failed")); + return res; } diff --git a/builtin/send-pack.c b/builtin/send-pack.c index c1f6ddd927..e0b8030f2b 100644 --- a/builtin/send-pack.c +++ b/builtin/send-pack.c @@ -334,7 +334,7 @@ int send_pack(struct send_pack_args *args, demux.data = fd; demux.out = -1; if (start_async(&demux)) - die("receive-pack: unable to fork off sideband demultiplexer"); + die("send-pack: unable to fork off sideband demultiplexer"); in = demux.out; } @@ -509,7 +509,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) flags |= MATCH_REFS_MIRROR; /* match them up */ - if (match_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags)) + if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags)) return -1; set_ref_status_for_push(remote_refs, args.send_mirror, diff --git a/builtin/show-ref.c b/builtin/show-ref.c index 45f0340c3e..fafb6dd500 100644 --- a/builtin/show-ref.c +++ b/builtin/show-ref.c @@ -145,7 +145,7 @@ static int exclude_existing(const char *match) if (strncmp(ref, match, matchlen)) continue; } - if (check_ref_format(ref)) { + if (check_refname_format(ref, 0)) { warning("ref '%s' ignored", ref); continue; } diff --git a/builtin/stripspace.c b/builtin/stripspace.c index 4d3b93fedb..1288ffcc52 100644 --- a/builtin/stripspace.c +++ b/builtin/stripspace.c @@ -22,8 +22,6 @@ static size_t cleanup(char *line, size_t len) * Remove empty lines from the beginning and end * and also trailing spaces from every line. * - * Note that the buffer will not be NUL-terminated. - * * Turn multiple consecutive empty lines between paragraphs * into just one empty line. * diff --git a/builtin/tag.c b/builtin/tag.c index 667515e527..9b6fd95494 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -407,12 +407,12 @@ static int parse_msg_arg(const struct option *opt, const char *arg, int unset) static int strbuf_check_tag_ref(struct strbuf *sb, const char *name) { if (name[0] == '-') - return CHECK_REF_FORMAT_ERROR; + return -1; strbuf_reset(sb); strbuf_addf(sb, "refs/tags/%s", name); - return check_ref_format(sb->buf); + return check_refname_format(sb->buf, 0); } int cmd_tag(int argc, const char **argv, const char *prefix) @@ -429,21 +429,21 @@ int cmd_tag(int argc, const char **argv, const char *prefix) struct msg_arg msg = { 0, STRBUF_INIT }; struct commit_list *with_commit = NULL; struct option options[] = { - OPT_BOOLEAN('l', NULL, &list, "list tag names"), + OPT_BOOLEAN('l', "list", &list, "list tag names"), { OPTION_INTEGER, 'n', NULL, &lines, "n", "print <n> lines of each tag message", PARSE_OPT_OPTARG, NULL, 1 }, - OPT_BOOLEAN('d', NULL, &delete, "delete tags"), - OPT_BOOLEAN('v', NULL, &verify, "verify tags"), + OPT_BOOLEAN('d', "delete", &delete, "delete tags"), + OPT_BOOLEAN('v', "verify", &verify, "verify tags"), OPT_GROUP("Tag creation options"), - OPT_BOOLEAN('a', NULL, &annotate, + OPT_BOOLEAN('a', "annotate", &annotate, "annotated tag, needs a message"), - OPT_CALLBACK('m', NULL, &msg, "message", + OPT_CALLBACK('m', "message", &msg, "message", "tag message", parse_msg_arg), - OPT_FILENAME('F', NULL, &msgfile, "read message from file"), - OPT_BOOLEAN('s', NULL, &sign, "annotated and GPG-signed tag"), - OPT_STRING('u', NULL, &keyid, "key-id", + OPT_FILENAME('F', "file", &msgfile, "read message from file"), + OPT_BOOLEAN('s', "sign", &sign, "annotated and GPG-signed tag"), + OPT_STRING('u', "local-user", &keyid, "key-id", "use another key to sign the tag"), OPT__FORCE(&force, "replace the tag if exists"), |