diff options
Diffstat (limited to 'sequencer.c')
-rw-r--r-- | sequencer.c | 178 |
1 files changed, 73 insertions, 105 deletions
diff --git a/sequencer.c b/sequencer.c index c4f4b7d571..4687ad4b80 100644 --- a/sequencer.c +++ b/sequencer.c @@ -21,6 +21,11 @@ const char sign_off_header[] = "Signed-off-by: "; static const char cherry_picked_prefix[] = "(cherry picked from commit "; +static GIT_PATH_FUNC(git_path_todo_file, SEQ_TODO_FILE) +static GIT_PATH_FUNC(git_path_opts_file, SEQ_OPTS_FILE) +static GIT_PATH_FUNC(git_path_seq_dir, SEQ_DIR) +static GIT_PATH_FUNC(git_path_head_file, SEQ_HEAD_FILE) + static int is_rfc2822_line(const char *buf, int len) { int i; @@ -119,62 +124,36 @@ static const char *action_name(const struct replay_opts *opts) struct commit_message { char *parent_label; - const char *label; - const char *subject; + char *label; + char *subject; const char *message; }; static int get_message(struct commit *commit, struct commit_message *out) { const char *abbrev, *subject; - int abbrev_len, subject_len; - char *q; - - if (!git_commit_encoding) - git_commit_encoding = "UTF-8"; + int subject_len; - out->message = logmsg_reencode(commit, NULL, git_commit_encoding); - abbrev = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV); - abbrev_len = strlen(abbrev); + out->message = logmsg_reencode(commit, NULL, get_commit_output_encoding()); + abbrev = find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV); subject_len = find_commit_subject(out->message, &subject); - out->parent_label = xmalloc(strlen("parent of ") + abbrev_len + - strlen("... ") + subject_len + 1); - q = out->parent_label; - q = mempcpy(q, "parent of ", strlen("parent of ")); - out->label = q; - q = mempcpy(q, abbrev, abbrev_len); - q = mempcpy(q, "... ", strlen("... ")); - out->subject = q; - q = mempcpy(q, subject, subject_len); - *q = '\0'; + out->subject = xmemdupz(subject, subject_len); + out->label = xstrfmt("%s... %s", abbrev, out->subject); + out->parent_label = xstrfmt("parent of %s", out->label); + return 0; } static void free_message(struct commit *commit, struct commit_message *msg) { free(msg->parent_label); + free(msg->label); + free(msg->subject); unuse_commit_buffer(commit, msg->message); } -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)); - - filename = git_path("%s", pseudoref); - 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 || close(fd)) - die_errno(_("Could not write to '%s'"), filename); - strbuf_release(&buf); -} - static void print_advice(int show_hint, struct replay_opts *opts) { char *msg = getenv("GIT_CHERRY_PICK_HELP"); @@ -186,7 +165,7 @@ static void print_advice(int show_hint, struct replay_opts *opts) * (typically rebase --interactive) wants to take care * of the commit itself so remove CHERRY_PICK_HEAD */ - unlink(git_path("CHERRY_PICK_HEAD")); + unlink(git_path_cherry_pick_head()); return; } @@ -358,7 +337,7 @@ static int is_index_unchanged(void) if (cache_tree_update(&the_index, 0)) return error(_("Unable to update cache tree\n")); - return !hashcmp(active_cache_tree->sha1, head_commit->tree->object.sha1); + return !hashcmp(active_cache_tree->sha1, head_commit->tree->object.oid.hash); } /* @@ -409,18 +388,18 @@ static int is_original_commit_empty(struct commit *commit) if (parse_commit(commit)) return error(_("Could not parse commit %s\n"), - sha1_to_hex(commit->object.sha1)); + oid_to_hex(&commit->object.oid)); if (commit->parents) { struct commit *parent = commit->parents->item; if (parse_commit(parent)) return error(_("Could not parse parent commit %s\n"), - sha1_to_hex(parent->object.sha1)); - ptree_sha1 = parent->tree->object.sha1; + oid_to_hex(&parent->object.oid)); + ptree_sha1 = parent->tree->object.oid.hash; } else { ptree_sha1 = EMPTY_TREE_SHA1_BIN; /* commit is root */ } - return !hashcmp(ptree_sha1, commit->tree->object.sha1); + return !hashcmp(ptree_sha1, commit->tree->object.oid.hash); } /* @@ -467,7 +446,6 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) struct commit *base, *next, *parent; const char *base_label, *next_label; struct commit_message msg = { NULL, NULL, NULL, NULL }; - char *defmsg = NULL; struct strbuf msgbuf = STRBUF_INIT; int res, unborn = 0, allow; @@ -499,7 +477,7 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) if (!opts->mainline) return error(_("Commit %s is a merge but no -m option was given."), - sha1_to_hex(commit->object.sha1)); + oid_to_hex(&commit->object.oid)); for (cnt = 1, p = commit->parents; cnt != opts->mainline && p; @@ -507,28 +485,28 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) p = p->next; if (cnt != opts->mainline || !p) return error(_("Commit %s does not have parent %d"), - sha1_to_hex(commit->object.sha1), opts->mainline); + oid_to_hex(&commit->object.oid), opts->mainline); parent = p->item; } else if (0 < opts->mainline) return error(_("Mainline was specified but commit %s is not a merge."), - sha1_to_hex(commit->object.sha1)); + oid_to_hex(&commit->object.oid)); else parent = commit->parents->item; if (opts->allow_ff && - ((parent && !hashcmp(parent->object.sha1, head)) || + ((parent && !hashcmp(parent->object.oid.hash, head)) || (!parent && unborn))) - return fast_forward_to(commit->object.sha1, head, unborn, opts); + return fast_forward_to(commit->object.oid.hash, head, unborn, opts); if (parent && parse_commit(parent) < 0) /* TRANSLATORS: The first %s will be "revert" or "cherry-pick", the second %s a SHA1 */ return error(_("%s: cannot parse parent commit %s"), - action_name(opts), sha1_to_hex(parent->object.sha1)); + action_name(opts), oid_to_hex(&parent->object.oid)); if (get_message(commit, &msg) != 0) return error(_("Cannot get commit message for %s"), - sha1_to_hex(commit->object.sha1)); + oid_to_hex(&commit->object.oid)); /* * "commit" is an existing commit. We would want to apply @@ -537,8 +515,6 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) * reverse of it if we are revert. */ - defmsg = git_pathdup("MERGE_MSG"); - if (opts->action == REPLAY_REVERT) { base = commit; base_label = msg.label; @@ -547,11 +523,11 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) strbuf_addstr(&msgbuf, "Revert \""); strbuf_addstr(&msgbuf, msg.subject); strbuf_addstr(&msgbuf, "\"\n\nThis reverts commit "); - strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1)); + strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid)); if (commit->parents && commit->parents->next) { strbuf_addstr(&msgbuf, ", reversing\nchanges made to "); - strbuf_addstr(&msgbuf, sha1_to_hex(parent->object.sha1)); + strbuf_addstr(&msgbuf, oid_to_hex(&parent->object.oid)); } strbuf_addstr(&msgbuf, ".\n"); } else { @@ -577,7 +553,7 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) if (!has_conforming_footer(&msgbuf, NULL, 0)) strbuf_addch(&msgbuf, '\n'); strbuf_addstr(&msgbuf, cherry_picked_prefix); - strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1)); + strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid)); strbuf_addstr(&msgbuf, ")\n"); } } @@ -585,12 +561,12 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) if (!opts->strategy || !strcmp(opts->strategy, "recursive") || opts->action == REPLAY_REVERT) { res = do_recursive_merge(base, next, base_label, next_label, head, &msgbuf, opts); - write_message(&msgbuf, defmsg); + write_message(&msgbuf, git_path_merge_msg()); } else { struct commit_list *common = NULL; struct commit_list *remotes = NULL; - write_message(&msgbuf, defmsg); + write_message(&msgbuf, git_path_merge_msg()); commit_list_insert(base, &common); commit_list_insert(next, &remotes); @@ -607,15 +583,17 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) * write it at all. */ if (opts->action == REPLAY_PICK && !opts->no_commit && (res == 0 || res == 1)) - write_cherry_pick_head(commit, "CHERRY_PICK_HEAD"); + update_ref(NULL, "CHERRY_PICK_HEAD", commit->object.oid.hash, NULL, + REF_NODEREF, UPDATE_REFS_DIE_ON_ERR); if (opts->action == REPLAY_REVERT && ((opts->no_commit && res == 0) || res == 1)) - write_cherry_pick_head(commit, "REVERT_HEAD"); + update_ref(NULL, "REVERT_HEAD", commit->object.oid.hash, NULL, + REF_NODEREF, UPDATE_REFS_DIE_ON_ERR); if (res) { error(opts->action == REPLAY_REVERT ? _("could not revert %s... %s") : _("could not apply %s... %s"), - find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV), + find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV), msg.subject); print_advice(res == 1, opts); rerere(opts->allow_rerere_auto); @@ -628,11 +606,10 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts) goto leave; } if (!opts->no_commit) - res = run_git_commit(defmsg, opts, allow); + res = run_git_commit(git_path_merge_msg(), opts, allow); leave: free_message(commit, &msg); - free(defmsg); return res; } @@ -678,7 +655,7 @@ static int format_todo(struct strbuf *buf, struct commit_list *todo_list, for (cur = todo_list; cur; cur = cur->next) { const char *commit_buffer = get_commit_buffer(cur->item, NULL); - sha1_abbrev = find_unique_abbrev(cur->item->object.sha1, DEFAULT_ABBREV); + sha1_abbrev = find_unique_abbrev(cur->item->object.oid.hash, DEFAULT_ABBREV); subject_len = find_commit_subject(commit_buffer, &subject); strbuf_addf(buf, "%s %s %.*s\n", action_str, sha1_abbrev, subject_len, subject); @@ -756,24 +733,23 @@ static int parse_insn_buffer(char *buf, struct commit_list **todo_list, 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); + fd = open(git_path_todo_file(), O_RDONLY); if (fd < 0) - die_errno(_("Could not open %s"), todo_file); + die_errno(_("Could not open %s"), git_path_todo_file()); if (strbuf_read(&buf, fd, 0) < 0) { close(fd); strbuf_release(&buf); - die(_("Could not read %s."), todo_file); + die(_("Could not read %s."), git_path_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); + die(_("Unusable instruction sheet: %s"), git_path_todo_file()); } static int populate_opts_cb(const char *key, const char *value, void *data) @@ -813,12 +789,10 @@ static int populate_opts_cb(const char *key, const char *value, void *data) static void read_populate_opts(struct replay_opts **opts_ptr) { - const char *opts_file = git_path(SEQ_OPTS_FILE); - - if (!file_exists(opts_file)) + if (!file_exists(git_path_opts_file())) return; - if (git_config_from_file(populate_opts_cb, opts_file, *opts_ptr) < 0) - die(_("Malformed options sheet: %s"), opts_file); + if (git_config_from_file(populate_opts_cb, git_path_opts_file(), *opts_ptr) < 0) + die(_("Malformed options sheet: %s"), git_path_opts_file()); } static void walk_revs_populate_todo(struct commit_list **todo_list, @@ -836,31 +810,29 @@ static void walk_revs_populate_todo(struct commit_list **todo_list, static int create_seq_dir(void) { - const char *seq_dir = git_path(SEQ_DIR); - - if (file_exists(seq_dir)) { + if (file_exists(git_path_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); + else if (mkdir(git_path_seq_dir(), 0777) < 0) + die_errno(_("Could not create sequencer directory %s"), + git_path_seq_dir()); return 0; } 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); + fd = hold_lock_file_for_update(&head_lock, git_path_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); + die_errno(_("Could not write to %s"), git_path_head_file()); if (commit_lock_file(&head_lock) < 0) - die(_("Error wrapping up %s."), head_file); + die(_("Error wrapping up %s."), git_path_head_file()); } static int reset_for_rollback(const unsigned char *sha1) @@ -877,8 +849,8 @@ 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"))) + if (!file_exists(git_path_cherry_pick_head()) && + !file_exists(git_path_revert_head())) return error(_("no cherry-pick or revert in progress")); if (read_ref_full("HEAD", 0, head_sha1, NULL)) return error(_("cannot resolve HEAD")); @@ -889,13 +861,11 @@ static int rollback_single_pick(void) static int sequencer_rollback(struct replay_opts *opts) { - const char *filename; FILE *f; unsigned char sha1[20]; struct strbuf buf = STRBUF_INIT; - filename = git_path(SEQ_HEAD_FILE); - f = fopen(filename, "r"); + f = fopen(git_path_head_file(), "r"); if (!f && errno == ENOENT) { /* * There is no multiple-cherry-pick in progress. @@ -905,18 +875,17 @@ static int sequencer_rollback(struct replay_opts *opts) 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")); + return error_errno(_("cannot open %s"), git_path_head_file()); + if (strbuf_getline_lf(&buf, f)) { + error(_("cannot read %s: %s"), git_path_head_file(), + 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); + git_path_head_file()); goto fail; } if (reset_for_rollback(sha1)) @@ -931,28 +900,27 @@ fail: 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); + fd = hold_lock_file_for_update(&todo_lock, git_path_todo_file(), LOCK_DIE_ON_ERROR); if (format_todo(&buf, todo_list, opts) < 0) - die(_("Could not format %s."), todo_file); + die(_("Could not format %s."), git_path_todo_file()); if (write_in_full(fd, buf.buf, buf.len) < 0) { strbuf_release(&buf); - die_errno(_("Could not write to %s"), todo_file); + die_errno(_("Could not write to %s"), git_path_todo_file()); } if (commit_lock_file(&todo_lock) < 0) { strbuf_release(&buf); - die(_("Error wrapping up %s."), todo_file); + die(_("Error wrapping up %s."), git_path_todo_file()); } strbuf_release(&buf); } static void save_opts(struct replay_opts *opts) { - const char *opts_file = git_path(SEQ_OPTS_FILE); + const char *opts_file = git_path_opts_file(); if (opts->no_commit) git_config_set_in_file(opts_file, "options.no-commit", "true"); @@ -1013,8 +981,8 @@ static int continue_single_pick(void) { const char *argv[] = { "commit", NULL }; - if (!file_exists(git_path("CHERRY_PICK_HEAD")) && - !file_exists(git_path("REVERT_HEAD"))) + if (!file_exists(git_path_cherry_pick_head()) && + !file_exists(git_path_revert_head())) return error(_("no cherry-pick or revert in progress")); return run_command_v_opt(argv, RUN_GIT_CMD); } @@ -1023,14 +991,14 @@ static int sequencer_continue(struct replay_opts *opts) { struct commit_list *todo_list = NULL; - if (!file_exists(git_path(SEQ_TODO_FILE))) + if (!file_exists(git_path_todo_file())) return continue_single_pick(); read_populate_opts(&opts); read_populate_todo(&todo_list, opts); /* Verify that the conflict has been resolved */ - if (file_exists(git_path("CHERRY_PICK_HEAD")) || - file_exists(git_path("REVERT_HEAD"))) { + if (file_exists(git_path_cherry_pick_head()) || + file_exists(git_path_revert_head())) { int ret = continue_single_pick(); if (ret) return ret; |