diff options
Diffstat (limited to 'builtin/am.c')
-rw-r--r-- | builtin/am.c | 238 |
1 files changed, 127 insertions, 111 deletions
diff --git a/builtin/am.c b/builtin/am.c index d7513f5375..5e643e2a3e 100644 --- a/builtin/am.c +++ b/builtin/am.c @@ -6,7 +6,7 @@ #include "cache.h" #include "config.h" #include "builtin.h" -#include "exec_cmd.h" +#include "exec-cmd.h" #include "parse-options.h" #include "dir.h" #include "run-command.h" @@ -32,6 +32,7 @@ #include "apply.h" #include "string-list.h" #include "packfile.h" +#include "repository.h" /** * Returns 1 if the file is empty or does not exist, 0 otherwise. @@ -403,11 +404,11 @@ static void am_load(struct am_state *state) struct strbuf sb = STRBUF_INIT; if (read_state_file(&sb, state, "next", 1) < 0) - die("BUG: state file 'next' does not exist"); + BUG("state file 'next' does not exist"); state->cur = strtol(sb.buf, NULL, 10); if (read_state_file(&sb, state, "last", 1) < 0) - die("BUG: state file 'last' does not exist"); + BUG("state file 'last' does not exist"); state->last = strtol(sb.buf, NULL, 10); if (read_author_script(state) < 0) @@ -708,6 +709,7 @@ static int split_mail_mbox(struct am_state *state, const char **paths, { struct child_process cp = CHILD_PROCESS_INIT; struct strbuf last = STRBUF_INIT; + int ret; cp.git_cmd = 1; argv_array_push(&cp.args, "mailsplit"); @@ -721,13 +723,16 @@ static int split_mail_mbox(struct am_state *state, const char **paths, argv_array_push(&cp.args, "--"); argv_array_pushv(&cp.args, paths); - if (capture_command(&cp, &last, 8)) - return -1; + ret = capture_command(&cp, &last, 8); + if (ret) + goto exit; state->cur = 1; state->last = strtol(last.buf, NULL, 10); - return 0; +exit: + strbuf_release(&last); + return ret ? -1 : 0; } /** @@ -982,7 +987,7 @@ static int split_mail(struct am_state *state, enum patch_format patch_format, case PATCH_FORMAT_MBOXRD: return split_mail_mbox(state, paths, keep_cr, 1); default: - die("BUG: invalid patch_format"); + BUG("invalid patch_format"); } return -1; } @@ -1007,6 +1012,7 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, if (mkdir(state->dir, 0777) < 0 && errno != EEXIST) die_errno(_("failed to create directory '%s'"), state->dir); + delete_ref(NULL, "REBASE_HEAD", NULL, REF_NO_DEREF); if (split_mail(state, patch_format, paths, keep_cr) < 0) { am_destroy(state); @@ -1036,7 +1042,7 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, str = "b"; break; default: - die("BUG: invalid value for state->keep"); + BUG("invalid value for state->keep"); } write_state_text(state, "keep", str); @@ -1053,11 +1059,11 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, str = "t"; break; default: - die("BUG: invalid value for state->scissors"); + BUG("invalid value for state->scissors"); } write_state_text(state, "scissors", str); - sq_quote_argv(&sb, state->git_apply_opts.argv, 0); + sq_quote_argv(&sb, state->git_apply_opts.argv); write_state_text(state, "apply-opt", sb.buf); if (state->rebasing) @@ -1068,8 +1074,8 @@ static void am_setup(struct am_state *state, enum patch_format patch_format, if (!get_oid("HEAD", &curr_head)) { write_state_text(state, "abort-safety", oid_to_hex(&curr_head)); if (!state->rebasing) - update_ref_oid("am", "ORIG_HEAD", &curr_head, NULL, 0, - UPDATE_REFS_DIE_ON_ERR); + update_ref("am", "ORIG_HEAD", &curr_head, NULL, 0, + UPDATE_REFS_DIE_ON_ERR); } else { write_state_text(state, "abort-safety", ""); if (!state->rebasing) @@ -1106,6 +1112,7 @@ static void am_next(struct am_state *state) oidclr(&state->orig_commit); unlink(am_path(state, "original-commit")); + delete_ref(NULL, "REBASE_HEAD", NULL, REF_NO_DEREF); if (!get_oid("HEAD", &head)) write_state_text(state, "abort-safety", oid_to_hex(&head)); @@ -1134,52 +1141,15 @@ static const char *msgnum(const struct am_state *state) */ static void refresh_and_write_cache(void) { - struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file)); + struct lock_file lock_file = LOCK_INIT; - hold_locked_index(lock_file, LOCK_DIE_ON_ERROR); + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); refresh_cache(REFRESH_QUIET); - if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die(_("unable to write index file")); } /** - * Returns 1 if the index differs from HEAD, 0 otherwise. When on an unborn - * branch, returns 1 if there are entries in the index, 0 otherwise. If an - * strbuf is provided, the space-separated list of files that differ will be - * appended to it. - */ -static int index_has_changes(struct strbuf *sb) -{ - struct object_id head; - int i; - - if (!get_oid_tree("HEAD", &head)) { - struct diff_options opt; - - diff_setup(&opt); - DIFF_OPT_SET(&opt, EXIT_WITH_STATUS); - if (!sb) - DIFF_OPT_SET(&opt, QUICK); - do_diff_cache(&head, &opt); - diffcore_std(&opt); - for (i = 0; sb && i < diff_queued_diff.nr; i++) { - if (i) - strbuf_addch(sb, ' '); - strbuf_addstr(sb, diff_queued_diff.queue[i]->two->path); - } - diff_flush(&opt); - return DIFF_OPT_TST(&opt, HAS_CHANGES) != 0; - } else { - for (i = 0; sb && i < active_nr; i++) { - if (i) - strbuf_addch(sb, ' '); - strbuf_addstr(sb, active_cache[i]->name); - } - return !!active_nr; - } -} - -/** * Dies with a user-friendly message on how to proceed after resolving the * problem. This message can be overridden with state->resolvemsg. */ @@ -1247,7 +1217,7 @@ static int parse_mail(struct am_state *state, const char *mail) mi.keep_non_patch_brackets_in_subject = 1; break; default: - die("BUG: invalid value for state->keep"); + BUG("invalid value for state->keep"); } if (state->message_id) @@ -1263,7 +1233,7 @@ static int parse_mail(struct am_state *state, const char *mail) mi.use_scissors = 1; break; default: - die("BUG: invalid value for state->scissors"); + BUG("invalid value for state->scissors"); } mi.input = xfopen(mail, "r"); @@ -1274,6 +1244,10 @@ static int parse_mail(struct am_state *state, const char *mail) fclose(mi.input); fclose(mi.output); + if (mi.format_flowed) + warning(_("Patch sent with format=flowed; " + "space at the end of lines might be lost.")); + /* Extract message and author information */ fp = xfopen(am_path(state, "info"), "r"); while (!strbuf_getline_lf(&sb, fp)) { @@ -1409,8 +1383,8 @@ static void write_commit_patch(const struct am_state *state, struct commit *comm rev_info.show_root_diff = 1; rev_info.diffopt.output_format = DIFF_FORMAT_PATCH; rev_info.no_commit_id = 1; - DIFF_OPT_SET(&rev_info.diffopt, BINARY); - DIFF_OPT_SET(&rev_info.diffopt, FULL_INDEX); + rev_info.diffopt.flags.binary = 1; + rev_info.diffopt.flags.full_index = 1; rev_info.diffopt.use_color = 0; rev_info.diffopt.file = fp; rev_info.diffopt.close_file = 1; @@ -1431,9 +1405,10 @@ static void write_index_patch(const struct am_state *state) FILE *fp; if (!get_oid_tree("HEAD", &head)) - tree = lookup_tree(&head); + tree = lookup_tree(the_repository, &head); else - tree = lookup_tree(&empty_tree_oid); + tree = lookup_tree(the_repository, + the_repository->hash_algo->empty_tree); fp = xfopen(am_path(state, "patch"), "w"); init_revisions(&rev_info, NULL); @@ -1474,6 +1449,8 @@ static int parse_mail_rebase(struct am_state *state, const char *mail) oidcpy(&state->orig_commit, &commit_oid); write_state_text(state, "original-commit", oid_to_hex(&commit_oid)); + update_ref("am", "REBASE_HEAD", &commit_oid, + NULL, REF_NO_DEREF, UPDATE_REFS_DIE_ON_ERR); return 0; } @@ -1488,12 +1465,11 @@ static int run_apply(const struct am_state *state, const char *index_file) struct argv_array apply_opts = ARGV_ARRAY_INIT; struct apply_state apply_state; int res, opts_left; - static struct lock_file lock_file; int force_apply = 0; int options = 0; - if (init_apply_state(&apply_state, NULL, &lock_file)) - die("BUG: init_apply_state() failed"); + if (init_apply_state(&apply_state, the_repository, NULL)) + BUG("init_apply_state() failed"); argv_array_push(&apply_opts, "apply"); argv_array_pushv(&apply_opts, state->git_apply_opts.argv); @@ -1519,7 +1495,7 @@ static int run_apply(const struct am_state *state, const char *index_file) apply_state.apply_verbosity = verbosity_silent; if (check_apply_state(&apply_state, force_apply)) - die("BUG: check_apply_state() failed"); + BUG("check_apply_state() failed"); argv_array_push(&apply_paths, am_path(state, "patch")); @@ -1572,7 +1548,7 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa char *their_tree_name; if (get_oid("HEAD", &our_tree) < 0) - hashcpy(our_tree.hash, EMPTY_TREE_SHA1_BIN); + oidcpy(&our_tree, the_hash_algo->empty_tree); if (build_fake_ancestor(state, index_path)) return error("could not build fake ancestor"); @@ -1580,7 +1556,7 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa discard_cache(); read_cache_from(index_path); - if (write_index_as_tree(orig_tree.hash, &the_index, index_path, 0, NULL)) + if (write_index_as_tree(&orig_tree, &the_index, index_path, 0, NULL)) return error(_("Repository lacks necessary blobs to fall back on 3-way merge.")); say(state, stdout, _("Using index info to reconstruct a base tree...")); @@ -1605,7 +1581,7 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa return error(_("Did you hand edit your patch?\n" "It does not apply to blobs recorded in its index.")); - if (write_index_as_tree(their_tree.hash, &the_index, index_path, 0, NULL)) + if (write_index_as_tree(&their_tree, &the_index, index_path, 0, NULL)) return error("could not write tree"); say(state, stdout, _("Falling back to patching base and 3-way merge...")); @@ -1626,6 +1602,7 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa o.branch1 = "HEAD"; their_tree_name = xstrfmt("%.*s", linelen(state->msg), state->msg); o.branch2 = their_tree_name; + o.detect_directory_renames = 0; if (state->quiet) o.verbosity = 0; @@ -1656,12 +1633,13 @@ static void do_commit(const struct am_state *state) if (run_hook_le(NULL, "pre-applypatch", NULL)) exit(1); - if (write_cache_as_tree(tree.hash, 0, NULL)) + if (write_cache_as_tree(&tree, 0, NULL)) die(_("git write-tree failed to write a tree")); if (!get_oid_commit("HEAD", &parent)) { old_oid = &parent; - commit_list_insert(lookup_commit(&parent), &parents); + commit_list_insert(lookup_commit(the_repository, &parent), + &parents); } else { old_oid = NULL; say(state, stderr, _("applying to an empty history")); @@ -1675,8 +1653,8 @@ static void do_commit(const struct am_state *state) setenv("GIT_COMMITTER_DATE", state->ignore_date ? "" : state->author_date, 1); - if (commit_tree(state->msg, state->msg_len, tree.hash, parents, commit.hash, - author, state->sign_commit)) + if (commit_tree(state->msg, state->msg_len, &tree, parents, &commit, + author, state->sign_commit)) die(_("failed to write commit object")); reflog_msg = getenv("GIT_REFLOG_ACTION"); @@ -1686,8 +1664,8 @@ static void do_commit(const struct am_state *state) strbuf_addf(&sb, "%s: %.*s", reflog_msg, linelen(state->msg), state->msg); - update_ref_oid(sb.buf, "HEAD", &commit, old_oid, 0, - UPDATE_REFS_DIE_ON_ERR); + update_ref(sb.buf, "HEAD", &commit, old_oid, 0, + UPDATE_REFS_DIE_ON_ERR); if (state->rebasing) { FILE *fp = xfopen(am_path(state, "rewritten"), "a"); @@ -1793,7 +1771,7 @@ static void am_run(struct am_state *state, int resume) refresh_and_write_cache(); - if (index_has_changes(&sb)) { + if (index_has_changes(&the_index, NULL, &sb)) { write_state_bool(state, "dirtyindex", 1); die(_("Dirty index: cannot apply patches (dirty: %s)"), sb.buf); } @@ -1850,23 +1828,19 @@ static void am_run(struct am_state *state, int resume) * Applying the patch to an earlier tree and merging * the result may have produced the same tree as ours. */ - if (!apply_status && !index_has_changes(NULL)) { + if (!apply_status && + !index_has_changes(&the_index, NULL, NULL)) { say(state, stdout, _("No changes -- Patch already applied.")); goto next; } } if (apply_status) { - int advice_amworkdir = 1; - printf_ln(_("Patch failed at %s %.*s"), msgnum(state), linelen(state->msg), state->msg); - git_config_get_bool("advice.amworkdir", &advice_amworkdir); - if (advice_amworkdir) - printf_ln(_("The copy of the patch that failed is found in: %s"), - am_path(state, "patch")); + advise(_("Use 'git am --show-current-patch' to see the failed patch")); die_user_resolve(state); } @@ -1893,7 +1867,7 @@ next: */ if (!state->rebasing) { am_destroy(state); - close_all_packs(); + close_all_packs(the_repository->objects); run_command_v_opt(argv_gc_auto, RUN_GIT_CMD); } } @@ -1909,7 +1883,7 @@ static void am_resolve(struct am_state *state) say(state, stdout, _("Applying: %.*s"), linelen(state->msg), state->msg); - if (!index_has_changes(NULL)) { + if (!index_has_changes(&the_index, NULL, NULL)) { printf_ln(_("No changes - did you forget to use 'git add'?\n" "If there is nothing left to stage, chances are that something else\n" "already introduced the same changes; you might want to skip this patch.")); @@ -1946,15 +1920,14 @@ next: */ static int fast_forward_to(struct tree *head, struct tree *remote, int reset) { - struct lock_file *lock_file; + struct lock_file lock_file = LOCK_INIT; struct unpack_trees_options opts; struct tree_desc t[2]; if (parse_tree(head) || parse_tree(remote)) return -1; - lock_file = xcalloc(1, sizeof(struct lock_file)); - hold_locked_index(lock_file, LOCK_DIE_ON_ERROR); + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); refresh_cache(REFRESH_QUIET); @@ -1970,11 +1943,11 @@ static int fast_forward_to(struct tree *head, struct tree *remote, int reset) init_tree_desc(&t[1], remote->buffer, remote->size); if (unpack_trees(2, t, &opts)) { - rollback_lock_file(lock_file); + rollback_lock_file(&lock_file); return -1; } - if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); return 0; @@ -1986,15 +1959,14 @@ static int fast_forward_to(struct tree *head, struct tree *remote, int reset) */ static int merge_tree(struct tree *tree) { - struct lock_file *lock_file; + struct lock_file lock_file = LOCK_INIT; struct unpack_trees_options opts; struct tree_desc t[1]; if (parse_tree(tree)) return -1; - lock_file = xcalloc(1, sizeof(struct lock_file)); - hold_locked_index(lock_file, LOCK_DIE_ON_ERROR); + hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR); memset(&opts, 0, sizeof(opts)); opts.head_idx = 1; @@ -2005,11 +1977,11 @@ static int merge_tree(struct tree *tree) init_tree_desc(&t[0], tree->buffer, tree->size); if (unpack_trees(1, t, &opts)) { - rollback_lock_file(lock_file); + rollback_lock_file(&lock_file); return -1; } - if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) + if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); return 0; @@ -2037,7 +2009,7 @@ static int clean_index(const struct object_id *head, const struct object_id *rem if (fast_forward_to(head_tree, head_tree, 1)) return -1; - if (write_cache_as_tree(index.hash, 0, NULL)) + if (write_cache_as_tree(&index, 0, NULL)) return -1; index_tree = parse_tree_indirect(&index); @@ -2075,7 +2047,7 @@ static void am_skip(struct am_state *state) am_rerere_clear(); if (get_oid("HEAD", &head)) - hashcpy(head.hash, EMPTY_TREE_SHA1_BIN); + oidcpy(&head, the_hash_algo->empty_tree); if (clean_index(&head, &head)) die(_("failed to clean index")); @@ -2110,7 +2082,7 @@ static int safe_to_abort(const struct am_state *state) if (get_oid("HEAD", &head)) oidclr(&head); - if (!oidcmp(&head, &abort_safety)) + if (oideq(&head, &abort_safety)) return 1; warning(_("You seem to have moved HEAD since the last 'am' failure.\n" @@ -2135,28 +2107,56 @@ static void am_abort(struct am_state *state) am_rerere_clear(); - curr_branch = resolve_refdup("HEAD", 0, curr_head.hash, NULL); + curr_branch = resolve_refdup("HEAD", 0, &curr_head, NULL); has_curr_head = curr_branch && !is_null_oid(&curr_head); if (!has_curr_head) - hashcpy(curr_head.hash, EMPTY_TREE_SHA1_BIN); + oidcpy(&curr_head, the_hash_algo->empty_tree); has_orig_head = !get_oid("ORIG_HEAD", &orig_head); if (!has_orig_head) - hashcpy(orig_head.hash, EMPTY_TREE_SHA1_BIN); + oidcpy(&orig_head, the_hash_algo->empty_tree); clean_index(&curr_head, &orig_head); if (has_orig_head) - update_ref_oid("am --abort", "HEAD", &orig_head, - has_curr_head ? &curr_head : NULL, 0, - UPDATE_REFS_DIE_ON_ERR); + update_ref("am --abort", "HEAD", &orig_head, + has_curr_head ? &curr_head : NULL, 0, + UPDATE_REFS_DIE_ON_ERR); else if (curr_branch) - delete_ref(NULL, curr_branch, NULL, REF_NODEREF); + delete_ref(NULL, curr_branch, NULL, REF_NO_DEREF); free(curr_branch); am_destroy(state); } +static int show_patch(struct am_state *state) +{ + struct strbuf sb = STRBUF_INIT; + const char *patch_path; + int len; + + if (!is_null_oid(&state->orig_commit)) { + const char *av[4] = { "show", NULL, "--", NULL }; + char *new_oid_str; + int ret; + + av[1] = new_oid_str = xstrdup(oid_to_hex(&state->orig_commit)); + ret = run_command_v_opt(av, RUN_GIT_CMD); + free(new_oid_str); + return ret; + } + + patch_path = am_path(state, msgnum(state)); + len = strbuf_read_file(&sb, patch_path, 0); + if (len < 0) + die_errno(_("failed to read '%s'"), patch_path); + + setup_pager(); + write_in_full(1, sb.buf, sb.len); + strbuf_release(&sb); + return 0; +} + /** * parse_options() callback that validates and sets opt->value to the * PATCH_FORMAT_* enum value corresponding to `arg`. @@ -2185,7 +2185,9 @@ enum resume_mode { RESUME_APPLY, RESUME_RESOLVED, RESUME_SKIP, - RESUME_ABORT + RESUME_ABORT, + RESUME_QUIT, + RESUME_SHOW_PATCH }; static int git_am_config(const char *k, const char *v, void *cb) @@ -2207,6 +2209,7 @@ int cmd_am(int argc, const char **argv, const char *prefix) int patch_format = PATCH_FORMAT_UNKNOWN; enum resume_mode resume = RESUME_FALSE; int in_progress; + int ret = 0; const char * const usage[] = { N_("git am [<options>] [(<mbox> | <Maildir>)...]"), @@ -2233,12 +2236,12 @@ int cmd_am(int argc, const char **argv, const char *prefix) N_("pass -b flag to git-mailinfo"), KEEP_NON_PATCH), OPT_BOOL('m', "message-id", &state.message_id, N_("pass -m flag to git-mailinfo")), - { OPTION_SET_INT, 0, "keep-cr", &keep_cr, NULL, - N_("pass --keep-cr flag to git-mailsplit for mbox format"), - PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1}, - { OPTION_SET_INT, 0, "no-keep-cr", &keep_cr, NULL, - N_("do not pass --keep-cr flag to git-mailsplit independent of am.keepcr"), - PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 0}, + OPT_SET_INT_F(0, "keep-cr", &keep_cr, + N_("pass --keep-cr flag to git-mailsplit for mbox format"), + 1, PARSE_OPT_NONEG), + OPT_SET_INT_F(0, "no-keep-cr", &keep_cr, + N_("do not pass --keep-cr flag to git-mailsplit independent of am.keepcr"), + 0, PARSE_OPT_NONEG), OPT_BOOL('c', "scissors", &state.scissors, N_("strip everything before a scissors line")), OPT_PASSTHRU_ARGV(0, "whitespace", &state.git_apply_opts, N_("action"), @@ -2285,6 +2288,12 @@ int cmd_am(int argc, const char **argv, const char *prefix) OPT_CMDMODE(0, "abort", &resume, N_("restore the original branch and abort the patching operation."), RESUME_ABORT), + OPT_CMDMODE(0, "quit", &resume, + N_("abort the patching operation but keep HEAD where it is."), + RESUME_QUIT), + OPT_CMDMODE(0, "show-current-patch", &resume, + N_("show the patch being applied."), + RESUME_SHOW_PATCH), OPT_BOOL(0, "committer-date-is-author-date", &state.committer_date_is_author_date, N_("lie about committer date")), @@ -2353,7 +2362,7 @@ int cmd_am(int argc, const char **argv, const char *prefix) * stray directories. */ if (file_exists(state.dir) && !state.rebasing) { - if (resume == RESUME_ABORT) { + if (resume == RESUME_ABORT || resume == RESUME_QUIT) { am_destroy(&state); am_state_release(&state); return 0; @@ -2395,11 +2404,18 @@ int cmd_am(int argc, const char **argv, const char *prefix) case RESUME_ABORT: am_abort(&state); break; + case RESUME_QUIT: + am_rerere_clear(); + am_destroy(&state); + break; + case RESUME_SHOW_PATCH: + ret = show_patch(&state); + break; default: - die("BUG: invalid resume value"); + BUG("invalid resume value"); } am_state_release(&state); - return 0; + return ret; } |