diff options
Diffstat (limited to 'sequencer.c')
-rw-r--r-- | sequencer.c | 194 |
1 files changed, 114 insertions, 80 deletions
diff --git a/sequencer.c b/sequencer.c index 1f729b053b..3010faf863 100644 --- a/sequencer.c +++ b/sequencer.c @@ -1,4 +1,5 @@ #include "cache.h" +#include "config.h" #include "lockfile.h" #include "sequencer.h" #include "dir.h" @@ -344,7 +345,7 @@ static int read_oneliner(struct strbuf *buf, static struct tree *empty_tree(void) { - return lookup_tree(EMPTY_TREE_SHA1_BIN); + return lookup_tree(&empty_tree_oid); } static int error_dirty_index(struct replay_opts *opts) @@ -374,7 +375,7 @@ static void update_abort_safety_file(void) write_file(git_path_abort_safety_file(), "%s", ""); } -static int fast_forward_to(const unsigned char *to, const unsigned char *from, +static int fast_forward_to(const struct object_id *to, const struct object_id *from, int unborn, struct replay_opts *opts) { struct ref_transaction *transaction; @@ -390,7 +391,7 @@ static int fast_forward_to(const unsigned char *to, const unsigned char *from, transaction = ref_transaction_begin(&err); if (!transaction || ref_transaction_update(transaction, "HEAD", - to, unborn ? null_sha1 : from, + to->hash, unborn ? null_sha1 : from->hash, 0, sb.buf, &err) || ref_transaction_commit(transaction, &err)) { ref_transaction_free(transaction); @@ -426,7 +427,7 @@ void append_conflicts_hint(struct strbuf *msgbuf) 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, + struct object_id *head, struct strbuf *msgbuf, struct replay_opts *opts) { struct merge_options o; @@ -464,7 +465,8 @@ static int do_recursive_merge(struct commit *base, struct commit *next, if (active_cache_changed && write_locked_index(&the_index, &index_lock, COMMIT_LOCK)) - /* TRANSLATORS: %s will be "revert", "cherry-pick" or + /* + * TRANSLATORS: %s will be "revert", "cherry-pick" or * "rebase -i". */ return error(_("%s: Unable to write new index file"), @@ -482,13 +484,13 @@ static int do_recursive_merge(struct commit *base, struct commit *next, static int is_index_unchanged(void) { - unsigned char head_sha1[20]; + struct object_id head_oid; struct commit *head_commit; - if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_sha1, NULL)) + if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_oid.hash, NULL)) return error(_("could not resolve HEAD commit\n")); - head_commit = lookup_commit(head_sha1); + head_commit = lookup_commit(&head_oid); /* * If head_commit is NULL, check_commit, called from @@ -508,7 +510,8 @@ 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.oid.hash); + return !oidcmp(&active_cache_tree->oid, + &head_commit->tree->object.oid); } static int write_author_script(const char *message) @@ -602,6 +605,12 @@ N_("you have staged changes in your working tree\n" "\n" " git rebase --continue\n"); +#define ALLOW_EMPTY (1<<0) +#define EDIT_MSG (1<<1) +#define AMEND_MSG (1<<2) +#define CLEANUP_MSG (1<<3) +#define VERIFY_MSG (1<<4) + /* * If we are cherry-pick, and if the merge did not result in * hand-editing, we will hit this commit and inherit the original @@ -615,8 +624,7 @@ N_("you have staged changes in your working tree\n" * author metadata. */ static int run_git_commit(const char *defmsg, struct replay_opts *opts, - int allow_empty, int edit, int amend, - int cleanup_commit_message) + unsigned int flags) { struct child_process cmd = CHILD_PROCESS_INIT; const char *value; @@ -624,7 +632,7 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts, cmd.git_cmd = 1; if (is_rebase_i(opts)) { - if (!edit) { + if (!(flags & EDIT_MSG)) { cmd.stdout_to_stderr = 1; cmd.err = -1; } @@ -638,9 +646,10 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts, } argv_array_push(&cmd.args, "commit"); - argv_array_push(&cmd.args, "-n"); - if (amend) + if (!(flags & VERIFY_MSG)) + argv_array_push(&cmd.args, "-n"); + if ((flags & AMEND_MSG)) argv_array_push(&cmd.args, "--amend"); if (opts->gpg_sign) argv_array_pushf(&cmd.args, "-S%s", opts->gpg_sign); @@ -648,16 +657,16 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts, argv_array_push(&cmd.args, "-s"); if (defmsg) argv_array_pushl(&cmd.args, "-F", defmsg, NULL); - if (cleanup_commit_message) + if ((flags & CLEANUP_MSG)) argv_array_push(&cmd.args, "--cleanup=strip"); - if (edit) + if ((flags & EDIT_MSG)) argv_array_push(&cmd.args, "-e"); - else if (!cleanup_commit_message && + else if (!(flags & CLEANUP_MSG) && !opts->signoff && !opts->record_origin && git_config_get_value("commit.cleanup", &value)) argv_array_push(&cmd.args, "--cleanup=verbatim"); - if (allow_empty) + if ((flags & ALLOW_EMPTY)) argv_array_push(&cmd.args, "--allow-empty"); if (opts->allow_empty_message) @@ -828,13 +837,13 @@ static int update_squash_messages(enum todo_command command, strbuf_splice(&buf, 0, eol - buf.buf, header.buf, header.len); strbuf_release(&header); } else { - unsigned char head[20]; + struct object_id head; struct commit *head_commit; const char *head_message, *body; - if (get_sha1("HEAD", head)) + if (get_oid("HEAD", &head)) return error(_("need a HEAD to fixup")); - if (!(head_commit = lookup_commit_reference(head))) + if (!(head_commit = lookup_commit_reference(&head))) return error(_("could not read HEAD")); if (!(head_message = get_commit_buffer(head_commit, NULL))) return error(_("could not read HEAD's commit message")); @@ -891,8 +900,8 @@ static void flush_rewritten_pending(void) { FILE *out; if (strbuf_read_file(&buf, rebase_path_rewritten_pending(), 82) > 0 && - !get_sha1("HEAD", newsha1) && - (out = fopen(rebase_path_rewritten_list(), "a"))) { + !get_sha1("HEAD", newsha1) && + (out = fopen_or_warn(rebase_path_rewritten_list(), "a"))) { char *bol = buf.buf, *eol; while (*bol) { @@ -911,7 +920,7 @@ static void flush_rewritten_pending(void) { static void record_in_rewritten(struct object_id *oid, enum todo_command next_command) { - FILE *out = fopen(rebase_path_rewritten_pending(), "a"); + FILE *out = fopen_or_warn(rebase_path_rewritten_pending(), "a"); if (!out) return; @@ -926,14 +935,14 @@ static void record_in_rewritten(struct object_id *oid, static int do_pick_commit(enum todo_command command, struct commit *commit, struct replay_opts *opts, int final_fixup) { - int edit = opts->edit, cleanup_commit_message = 0; - const char *msg_file = edit ? NULL : git_path_merge_msg(); - unsigned char head[20]; + unsigned int flags = opts->edit ? EDIT_MSG : 0; + const char *msg_file = opts->edit ? NULL : git_path_merge_msg(); + struct object_id head; struct commit *base, *next, *parent; const char *base_label, *next_label; struct commit_message msg = { NULL, NULL, NULL, NULL }; struct strbuf msgbuf = STRBUF_INIT; - int res, unborn = 0, amend = 0, allow = 0; + int res, unborn = 0, allow; if (opts->no_commit) { /* @@ -942,12 +951,12 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, * that represents the "current" state for merge-recursive * to work on. */ - if (write_cache_as_tree(head, 0, NULL)) + if (write_cache_as_tree(head.hash, 0, NULL)) return error(_("your index file is unmerged.")); } else { - unborn = get_sha1("HEAD", head); + unborn = get_oid("HEAD", &head); if (unborn) - hashcpy(head, EMPTY_TREE_SHA1_BIN); + oidcpy(&head, &empty_tree_oid); if (index_differs_from(unborn ? EMPTY_TREE_SHA1_HEX : "HEAD", 0, 0)) return error_dirty_index(opts); } @@ -983,15 +992,17 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, oid_to_hex(&commit->object.oid)); if (opts->allow_ff && !is_fixup(command) && - ((parent && !hashcmp(parent->object.oid.hash, head)) || + ((parent && !oidcmp(&parent->object.oid, &head)) || (!parent && unborn))) { if (is_rebase_i(opts)) write_author_script(msg.message); - res = fast_forward_to(commit->object.oid.hash, head, unborn, + res = fast_forward_to(&commit->object.oid, &head, unborn, opts); if (res || command != TODO_REWORD) goto leave; - edit = amend = 1; + flags |= EDIT_MSG | AMEND_MSG; + if (command == TODO_REWORD) + flags |= VERIFY_MSG; msg_file = NULL; goto fast_forward_edit; } @@ -1037,6 +1048,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, strbuf_addstr(&msgbuf, p); if (opts->record_origin) { + strbuf_complete_line(&msgbuf); if (!has_conforming_footer(&msgbuf, NULL, 0)) strbuf_addch(&msgbuf, '\n'); strbuf_addstr(&msgbuf, cherry_picked_prefix); @@ -1046,25 +1058,25 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, } if (command == TODO_REWORD) - edit = 1; + flags |= EDIT_MSG | VERIFY_MSG; else if (is_fixup(command)) { if (update_squash_messages(command, commit, opts)) return -1; - amend = 1; + flags |= AMEND_MSG; if (!final_fixup) msg_file = rebase_path_squash_msg(); else if (file_exists(rebase_path_fixup_msg())) { - cleanup_commit_message = 1; + flags |= CLEANUP_MSG; msg_file = rebase_path_fixup_msg(); } else { - const char *dest = git_path("SQUASH_MSG"); + const char *dest = git_path_squash_msg(); unlink(dest); if (copy_file(dest, rebase_path_squash_msg(), 0666)) return error(_("could not rename '%s' to '%s'"), rebase_path_squash_msg(), dest); - unlink(git_path("MERGE_MSG")); + unlink(git_path_merge_msg()); msg_file = dest; - edit = 1; + flags |= EDIT_MSG; } } @@ -1072,7 +1084,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, res = -1; else if (!opts->strategy || !strcmp(opts->strategy, "recursive") || command == TODO_REVERT) { res = do_recursive_merge(base, next, base_label, next_label, - head, &msgbuf, opts); + &head, &msgbuf, opts); if (res < 0) return res; res |= write_message(msgbuf.buf, msgbuf.len, @@ -1088,7 +1100,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, commit_list_insert(next, &remotes); res |= try_merge_command(opts->strategy, opts->xopts_nr, (const char **)opts->xopts, - common, sha1_to_hex(head), remotes); + common, oid_to_hex(&head), remotes); free_commit_list(common); free_commit_list(remotes); } @@ -1123,11 +1135,11 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, if (allow < 0) { res = allow; goto leave; - } + } else if (allow) + flags |= ALLOW_EMPTY; if (!opts->no_commit) fast_forward_edit: - res = run_git_commit(msg_file, opts, allow, edit, amend, - cleanup_commit_message); + res = run_git_commit(msg_file, opts, flags); if (!res && final_fixup) { unlink(rebase_path_fixup_msg()); @@ -1192,6 +1204,7 @@ struct todo_list { struct todo_item *items; int nr, alloc, current; int done_nr, total_nr; + struct stat_data stat; }; #define TODO_LIST_INIT { STRBUF_INIT } @@ -1199,8 +1212,7 @@ struct todo_list { static void todo_list_release(struct todo_list *todo_list) { strbuf_release(&todo_list->buf); - free(todo_list->items); - todo_list->items = NULL; + FREE_AND_NULL(todo_list->items); todo_list->nr = todo_list->alloc = 0; } @@ -1212,7 +1224,7 @@ static struct todo_item *append_new_todo(struct todo_list *todo_list) static int parse_insn_line(struct todo_item *item, const char *bol, char *eol) { - unsigned char commit_sha1[20]; + struct object_id commit_oid; char *end_of_object_name; int i, saved, status, padding; @@ -1261,7 +1273,7 @@ static int parse_insn_line(struct todo_item *item, const char *bol, char *eol) end_of_object_name = (char *) bol + strcspn(bol, " \t\n"); saved = *end_of_object_name; *end_of_object_name = '\0'; - status = get_sha1(bol, commit_sha1); + status = get_oid(bol, &commit_oid); *end_of_object_name = saved; item->arg = end_of_object_name + strspn(end_of_object_name, " \t"); @@ -1270,7 +1282,7 @@ static int parse_insn_line(struct todo_item *item, const char *bol, char *eol) if (status < 0) return -1; - item->commit = lookup_commit_reference(commit_sha1); + item->commit = lookup_commit_reference(&commit_oid); return !item->commit; } @@ -1322,6 +1334,7 @@ static int count_commands(struct todo_list *todo_list) static int read_populate_todo(struct todo_list *todo_list, struct replay_opts *opts) { + struct stat st; const char *todo_file = get_todo_path(opts); int fd, res; @@ -1335,6 +1348,11 @@ static int read_populate_todo(struct todo_list *todo_list, } close(fd); + res = stat(todo_file, &st); + if (res) + return error(_("could not stat '%s'"), todo_file); + fill_stat_data(&todo_list->stat, &st); + res = parse_insn_buffer(todo_list->buf.buf, todo_list); if (res) { if (is_rebase_i(opts)) @@ -1363,7 +1381,7 @@ static int read_populate_todo(struct todo_list *todo_list, if (is_rebase_i(opts)) { struct todo_list done = TODO_LIST_INIT; - FILE *f = fopen(rebase_path_msgtotal(), "w"); + FILE *f = fopen_or_warn(rebase_path_msgtotal(), "w"); if (strbuf_read_file(&done.buf, rebase_path_done(), 0) > 0 && !parse_insn_buffer(done.buf.buf, &done)) @@ -1812,10 +1830,10 @@ static int error_failed_squash(struct commit *commit, return error(_("could not rename '%s' to '%s'"), rebase_path_squash_msg(), rebase_path_message()); unlink(rebase_path_fixup_msg()); - unlink(git_path("MERGE_MSG")); - if (copy_file(git_path("MERGE_MSG"), rebase_path_message(), 0666)) + unlink(git_path_merge_msg()); + if (copy_file(git_path_merge_msg(), rebase_path_message(), 0666)) return error(_("could not copy '%s' to '%s'"), - rebase_path_message(), git_path("MERGE_MSG")); + rebase_path_message(), git_path_merge_msg()); return error_with_patch(commit, subject, subject_len, opts, 1, 0); } @@ -1898,11 +1916,13 @@ static int apply_autostash(struct replay_opts *opts) strbuf_trim(&stash_sha1); child.git_cmd = 1; + child.no_stdout = 1; + child.no_stderr = 1; argv_array_push(&child.args, "stash"); argv_array_push(&child.args, "apply"); argv_array_push(&child.args, stash_sha1.buf); if (!run_command(&child)) - printf(_("Applied autostash.")); + fprintf(stderr, _("Applied autostash.\n")); else { struct child_process store = CHILD_PROCESS_INIT; @@ -1916,10 +1936,11 @@ static int apply_autostash(struct replay_opts *opts) if (run_command(&store)) ret = error(_("cannot store %s"), stash_sha1.buf); else - printf(_("Applying autostash resulted in conflicts.\n" - "Your changes are safe in the stash.\n" - "You can run \"git stash pop\" or" - " \"git stash drop\" at any time.\n")); + fprintf(stderr, + _("Applying autostash resulted in conflicts.\n" + "Your changes are safe in the stash.\n" + "You can run \"git stash pop\" or" + " \"git stash drop\" at any time.\n")); } strbuf_release(&stash_sha1); @@ -1997,7 +2018,8 @@ static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts) if (item->command == TODO_EDIT) { struct commit *commit = item->commit; if (!res) - warning(_("stopped at %s... %.*s"), + fprintf(stderr, + _("Stopped at %s... %.*s\n"), short_commit_name(commit), item->arg_len, item->arg); return error_with_patch(commit, @@ -2019,10 +2041,25 @@ static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts) } else if (item->command == TODO_EXEC) { char *end_of_arg = (char *)(item->arg + item->arg_len); int saved = *end_of_arg; + struct stat st; *end_of_arg = '\0'; res = do_exec(item->arg); *end_of_arg = saved; + + /* Reread the todo file if it has changed. */ + if (res) + ; /* fall through */ + else if (stat(get_todo_path(opts), &st)) + res = error_errno(_("could not stat '%s'"), + get_todo_path(opts)); + else if (match_stat_data(&todo_list->stat, &st)) { + todo_list_release(todo_list); + if (read_populate_todo(todo_list, opts)) + res = -1; /* message was printed */ + /* `current` will be incremented below */ + todo_list->current = -1; + } } else if (!is_noop(item->command)) return error(_("unknown command %d"), item->command); @@ -2057,6 +2094,7 @@ cleanup_head_ref: res = error(_("could not read orig-head")); goto cleanup_head_ref; } + strbuf_reset(&buf); if (!read_oneliner(&buf, rebase_path_onto(), 0)) { res = error(_("could not read 'onto'")); goto cleanup_head_ref; @@ -2093,8 +2131,8 @@ cleanup_head_ref: if (read_oneliner(&buf, rebase_path_orig_head(), 0) && !get_sha1(buf.buf, orig.hash) && !get_sha1("HEAD", head.hash)) { - diff_tree_sha1(orig.hash, head.hash, - "", &log_tree_opt.diffopt); + diff_tree_oid(&orig, &head, "", + &log_tree_opt.diffopt); log_tree_diff_flush(&log_tree_opt); } } @@ -2153,12 +2191,12 @@ static int continue_single_pick(void) static int commit_staged_changes(struct replay_opts *opts) { - int amend = 0; + unsigned int flags = ALLOW_EMPTY | EDIT_MSG; if (has_unstaged_changes(1)) return error(_("cannot rebase: You have unstaged changes.")); if (!has_uncommitted_changes(0)) { - const char *cherry_pick_head = git_path("CHERRY_PICK_HEAD"); + const char *cherry_pick_head = git_path_cherry_pick_head(); if (file_exists(cherry_pick_head) && unlink(cherry_pick_head)) return error(_("could not remove CHERRY_PICK_HEAD")); @@ -2183,10 +2221,10 @@ static int commit_staged_changes(struct replay_opts *opts) "--continue' again.")); strbuf_release(&rev); - amend = 1; + flags |= AMEND_MSG; } - if (run_git_commit(rebase_path_message(), opts, 1, 1, amend, 0)) + if (run_git_commit(rebase_path_message(), opts, flags)) return error(_("could not commit staged changes.")); unlink(rebase_path_amend()); return 0; @@ -2249,7 +2287,7 @@ static int single_pick(struct commit *cmit, struct replay_opts *opts) int sequencer_pick_revisions(struct replay_opts *opts) { struct todo_list todo_list = TODO_LIST_INIT; - unsigned char sha1[20]; + struct object_id oid; int i, res; assert(opts->revs); @@ -2257,16 +2295,16 @@ int sequencer_pick_revisions(struct replay_opts *opts) return -1; for (i = 0; i < opts->revs->pending.nr; i++) { - unsigned char sha1[20]; + struct object_id oid; const char *name = opts->revs->pending.objects[i].name; /* This happens when using --stdin. */ if (!strlen(name)) continue; - if (!get_sha1(name, sha1)) { - if (!lookup_commit_reference_gently(sha1, 1)) { - enum object_type type = sha1_object_info(sha1, NULL); + if (!get_oid(name, &oid)) { + if (!lookup_commit_reference_gently(&oid, 1)) { + enum object_type type = sha1_object_info(oid.hash, NULL); return error(_("%s: can't cherry-pick a %s"), name, typename(type)); } @@ -2303,9 +2341,9 @@ int sequencer_pick_revisions(struct replay_opts *opts) if (walk_revs_populate_todo(&todo_list, opts) || create_seq_dir() < 0) return -1; - if (get_sha1("HEAD", sha1) && (opts->action == REPLAY_REVERT)) + if (get_oid("HEAD", &oid) && (opts->action == REPLAY_REVERT)) return error(_("can't revert as initial commit")); - if (save_head(sha1_to_hex(sha1))) + if (save_head(oid_to_hex(&oid))) return -1; if (save_opts(opts)) return -1; @@ -2326,6 +2364,9 @@ void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag) getenv("GIT_COMMITTER_EMAIL"))); strbuf_addch(&sob, '\n'); + if (!ignore_footer) + strbuf_complete_line(msgbuf); + /* * If the whole message buffer is equal to the sob, pretend that we * found a conforming footer with a matching sob @@ -2346,13 +2387,6 @@ void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag) * the title and body to be filled in by the user. */ append_newlines = "\n\n"; - } else if (msgbuf->buf[len - 1] != '\n') { - /* - * Incomplete line. Complete the line and add a - * blank one so that there is an empty line between - * the message body and the sob. - */ - append_newlines = "\n\n"; } else if (len == 1) { /* * Buffer contains a single newline. Add another |