diff options
Diffstat (limited to 'sequencer.c')
| -rw-r--r-- | sequencer.c | 666 |
1 files changed, 459 insertions, 207 deletions
diff --git a/sequencer.c b/sequencer.c index 1d206fd224..8a51c9042b 100644 --- a/sequencer.c +++ b/sequencer.c @@ -131,7 +131,7 @@ static GIT_PATH_FUNC(rebase_path_rewritten_pending, "rebase-merge/rewritten-pending") /* - * The path of the file containig the OID of the "squash onto" commit, i.e. + * The path of the file containing the OID of the "squash onto" commit, i.e. * the dummy commit used for `reset [new root]`. */ static GIT_PATH_FUNC(rebase_path_squash_onto, "rebase-merge/squash-onto") @@ -147,6 +147,8 @@ static GIT_PATH_FUNC(rebase_path_refs_to_delete, "rebase-merge/refs-to-delete") * command-line. */ static GIT_PATH_FUNC(rebase_path_gpg_sign_opt, "rebase-merge/gpg_sign_opt") +static GIT_PATH_FUNC(rebase_path_cdate_is_adate, "rebase-merge/cdate_is_adate") +static GIT_PATH_FUNC(rebase_path_ignore_date, "rebase-merge/ignore_date") static GIT_PATH_FUNC(rebase_path_orig_head, "rebase-merge/orig-head") static GIT_PATH_FUNC(rebase_path_verbose, "rebase-merge/verbose") static GIT_PATH_FUNC(rebase_path_quiet, "rebase-merge/quiet") @@ -586,7 +588,7 @@ static int do_recursive_merge(struct repository *r, struct replay_opts *opts) { struct merge_options o; - struct tree *result, *next_tree, *base_tree, *head_tree; + struct tree *next_tree, *base_tree, *head_tree; int clean; char **xopt; struct lock_file index_lock = LOCK_INIT; @@ -613,11 +615,10 @@ static int do_recursive_merge(struct repository *r, clean = merge_trees(&o, head_tree, - next_tree, base_tree, &result); + next_tree, base_tree); if (is_rebase_i(opts) && clean <= 0) fputs(o.obuf.buf, stdout); strbuf_release(&o.obuf); - diff_warn_rename_limit("merge.renamelimit", o.needed_rename_limit, 0); if (clean < 0) { rollback_lock_file(&index_lock); return clean; @@ -770,7 +771,7 @@ static int parse_key_value_squoted(char *buf, struct string_list *list) * GIT_AUTHOR_DATE='$author_date' * * where $author_name, $author_email and $author_date are quoted. We are strict - * with our parsing, as the file was meant to be eval'd in the old + * with our parsing, as the file was meant to be eval'd in the now-removed * git-am.sh/git-rebase--interactive.sh scripts, and thus if the file differs * from what this function expects, it is better to bail out than to do * something that the user does not expect. @@ -824,9 +825,19 @@ int read_author_script(const char *path, char **name, char **email, char **date, error(_("missing 'GIT_AUTHOR_DATE'")); if (date_i < 0 || email_i < 0 || date_i < 0 || err) goto finish; - *name = kv.items[name_i].util; - *email = kv.items[email_i].util; - *date = kv.items[date_i].util; + + if (name) + *name = kv.items[name_i].util; + else + free(kv.items[name_i].util); + if (email) + *email = kv.items[email_i].util; + else + free(kv.items[email_i].util); + if (date) + *date = kv.items[date_i].util; + else + free(kv.items[date_i].util); retval = 0; finish: string_list_clear(&kv, !!retval); @@ -869,32 +880,45 @@ static char *get_author(const char *message) return NULL; } -/* Read author-script and return an ident line (author <email> timestamp) */ -static const char *read_author_ident(struct strbuf *buf) +/* Returns a "date" string that needs to be free()'d by the caller */ +static char *read_author_date_or_null(void) { - struct strbuf out = STRBUF_INIT; - char *name, *email, *date; + char *date; if (read_author_script(rebase_path_author_script(), - &name, &email, &date, 0)) + NULL, NULL, &date, 0)) return NULL; + return date; +} + +/* Construct a free()able author string with current time as the author date */ +static char *ignore_author_date(const char *author) +{ + int len = strlen(author); + struct ident_split ident; + struct strbuf new_author = STRBUF_INIT; - /* validate date since fmt_ident() will die() on bad value */ - if (parse_date(date, &out)){ - warning(_("invalid date format '%s' in '%s'"), - date, rebase_path_author_script()); - strbuf_release(&out); + if (split_ident_line(&ident, author, len) < 0) { + error(_("malformed ident line")); return NULL; } + len = ident.mail_end - ident.name_begin + 1; - strbuf_reset(&out); - strbuf_addstr(&out, fmt_ident(name, email, WANT_AUTHOR_IDENT, date, 0)); - strbuf_swap(buf, &out); - strbuf_release(&out); - free(name); - free(email); - free(date); - return buf->buf; + strbuf_addf(&new_author, "%.*s ", len, ident.name_begin); + datestamp(&new_author); + return strbuf_detach(&new_author, NULL); +} + +static void push_dates(struct child_process *child, int change_committer_date) +{ + time_t now = time(NULL); + struct strbuf date = STRBUF_INIT; + + strbuf_addf(&date, "@%"PRIuMAX, (uintmax_t)now); + argv_array_pushf(&child->env_array, "GIT_AUTHOR_DATE=%s", date.buf); + if (change_committer_date) + argv_array_pushf(&child->env_array, "GIT_COMMITTER_DATE=%s", date.buf); + strbuf_release(&date); } static const char staged_changes_advice[] = @@ -954,49 +978,27 @@ static int run_git_commit(struct repository *r, { struct child_process cmd = CHILD_PROCESS_INIT; - if ((flags & CREATE_ROOT_COMMIT) && !(flags & AMEND_MSG)) { - struct strbuf msg = STRBUF_INIT, script = STRBUF_INIT; - const char *author = NULL; - struct object_id root_commit, *cache_tree_oid; - int res = 0; - - if (is_rebase_i(opts)) { - author = read_author_ident(&script); - if (!author) { - strbuf_release(&script); - return -1; - } - } + cmd.git_cmd = 1; - if (!defmsg) - BUG("root commit without message"); + if (opts->committer_date_is_author_date) { + int res = -1; + struct strbuf datebuf = STRBUF_INIT; + char *date = read_author_date_or_null(); - if (!(cache_tree_oid = get_cache_tree_oid(r->index))) - res = -1; + if (!date) + return -1; - if (!res) - res = strbuf_read_file(&msg, defmsg, 0); + strbuf_addf(&datebuf, "@%s", date); + res = setenv("GIT_COMMITTER_DATE", + opts->ignore_date ? "" : datebuf.buf, 1); - if (res <= 0) - res = error_errno(_("could not read '%s'"), defmsg); - else - res = commit_tree(msg.buf, msg.len, cache_tree_oid, - NULL, &root_commit, author, - opts->gpg_sign); + strbuf_release(&datebuf); + free(date); - strbuf_release(&msg); - strbuf_release(&script); - if (!res) { - update_ref(NULL, "CHERRY_PICK_HEAD", &root_commit, NULL, - REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR); - res = update_ref(NULL, "HEAD", &root_commit, NULL, 0, - UPDATE_REFS_MSG_ON_ERR); - } - return res < 0 ? error(_("writing root commit")) : 0; + if (res) + return -1; } - cmd.git_cmd = 1; - if (is_rebase_i(opts) && read_env_script(&cmd.env_array)) { const char *gpg_opt = gpg_sign_opt_quoted(opts); @@ -1012,6 +1014,8 @@ static int run_git_commit(struct repository *r, argv_array_push(&cmd.args, "--amend"); if (opts->gpg_sign) argv_array_pushf(&cmd.args, "-S%s", opts->gpg_sign); + if (opts->ignore_date) + push_dates(&cmd, opts->committer_date_is_author_date); if (defmsg) argv_array_pushl(&cmd.args, "-F", defmsg, NULL); else if (!(flags & EDIT_MSG)) @@ -1196,25 +1200,22 @@ static int run_prepare_commit_msg_hook(struct repository *r, struct strbuf *msg, const char *commit) { - struct argv_array hook_env = ARGV_ARRAY_INIT; - int ret; - const char *name; + int ret = 0; + const char *name, *arg1 = NULL, *arg2 = NULL; name = git_path_commit_editmsg(); if (write_message(msg->buf, msg->len, name, 0)) return -1; - argv_array_pushf(&hook_env, "GIT_INDEX_FILE=%s", r->index_file); - argv_array_push(&hook_env, "GIT_EDITOR=:"); - if (commit) - ret = run_hook_le(hook_env.argv, "prepare-commit-msg", name, - "commit", commit, NULL); - else - ret = run_hook_le(hook_env.argv, "prepare-commit-msg", name, - "message", NULL); - if (ret) + if (commit) { + arg1 = "commit"; + arg2 = commit; + } else { + arg1 = "message"; + } + if (run_commit_hook(0, r->index_file, "prepare-commit-msg", name, + arg1, arg2, NULL)) ret = error(_("'prepare-commit-msg' hook failed")); - argv_array_clear(&hook_env); return ret; } @@ -1378,19 +1379,18 @@ static int try_to_commit(struct repository *r, struct object_id *oid) { struct object_id tree; - struct commit *current_head; + struct commit *current_head = NULL; struct commit_list *parents = NULL; struct commit_extra_header *extra = NULL; struct strbuf err = STRBUF_INIT; struct strbuf commit_msg = STRBUF_INIT; - char *amend_author = NULL; + char *author_to_free = NULL; const char *hook_commit = NULL; enum commit_msg_cleanup_mode cleanup; int res = 0; if (parse_head(r, ¤t_head)) return -1; - if (flags & AMEND_MSG) { const char *exclude_gpgsig[] = { "gpgsig", NULL }; const char *out_enc = get_commit_output_encoding(); @@ -1405,7 +1405,7 @@ static int try_to_commit(struct repository *r, strbuf_addstr(msg, orig_message); hook_commit = "HEAD"; } - author = amend_author = get_author(message); + author = author_to_free = get_author(message); unuse_commit_buffer(current_head, message); if (!author) { res = error(_("unable to parse commit author")); @@ -1413,20 +1413,62 @@ static int try_to_commit(struct repository *r, } parents = copy_commit_list(current_head->parents); extra = read_commit_extra_headers(current_head, exclude_gpgsig); - } else if (current_head) { + } else if (current_head && + (!(flags & CREATE_ROOT_COMMIT) || (flags & AMEND_MSG))) { commit_list_insert(current_head, &parents); } + if (opts->committer_date_is_author_date) { + int len = strlen(author); + struct ident_split ident; + struct strbuf date = STRBUF_INIT; + + if (split_ident_line(&ident, author, len) < 0) { + res = error(_("malformed ident line")); + goto out; + } + if (!ident.date_begin) { + res = error(_("corrupted author without date information")); + goto out; + } + + strbuf_addf(&date, "@%.*s %.*s", + (int)(ident.date_end - ident.date_begin), ident.date_begin, + (int)(ident.tz_end - ident.tz_begin), ident.tz_begin); + res = setenv("GIT_COMMITTER_DATE", + opts->ignore_date ? "" : date.buf, 1); + strbuf_release(&date); + + if (res) + goto out; + } + if (write_index_as_tree(&tree, r->index, r->index_file, 0, NULL)) { res = error(_("git write-tree failed to write a tree")); goto out; } - if (!(flags & ALLOW_EMPTY) && oideq(current_head ? - get_commit_tree_oid(current_head) : - the_hash_algo->empty_tree, &tree)) { - res = 1; /* run 'git commit' to display error message */ - goto out; + if (!(flags & ALLOW_EMPTY)) { + struct commit *first_parent = current_head; + + if (flags & AMEND_MSG) { + if (current_head->parents) { + first_parent = current_head->parents->item; + if (repo_parse_commit(r, first_parent)) { + res = error(_("could not parse HEAD commit")); + goto out; + } + } else { + first_parent = NULL; + } + } + if (oideq(first_parent + ? get_commit_tree_oid(first_parent) + : the_hash_algo->empty_tree, + &tree)) { + res = 1; /* run 'git commit' to display error message */ + goto out; + } } if (find_hook("prepare-commit-msg")) { @@ -1460,6 +1502,15 @@ static int try_to_commit(struct repository *r, reset_ident_date(); + if (opts->ignore_date) { + author = ignore_author_date(author); + if (!author) { + res = -1; + goto out; + } + free(author_to_free); + author_to_free = (char *)author; + } if (commit_tree_extended(msg->buf, msg->len, &tree, parents, oid, author, opts->gpg_sign, extra)) { res = error(_("failed to write commit object")); @@ -1472,6 +1523,7 @@ static int try_to_commit(struct repository *r, goto out; } + run_commit_hook(0, r->index_file, "post-commit", NULL); if (flags & AMEND_MSG) commit_post_rewrite(r, current_head, oid); @@ -1479,7 +1531,7 @@ out: free_commit_extra_headers(extra); strbuf_release(&err); strbuf_release(&commit_msg); - free(amend_author); + free(author_to_free); return res; } @@ -1490,8 +1542,7 @@ static int do_commit(struct repository *r, { int res = 1; - if (!(flags & EDIT_MSG) && !(flags & VERIFY_MSG) && - !(flags & CREATE_ROOT_COMMIT)) { + if (!(flags & EDIT_MSG) && !(flags & VERIFY_MSG)) { struct object_id oid; struct strbuf sb = STRBUF_INIT; @@ -1646,6 +1697,7 @@ static int update_squash_messages(struct repository *r, struct strbuf buf = STRBUF_INIT; int res; const char *message, *body; + const char *encoding = get_commit_output_encoding(); if (opts->current_fixup_count > 0) { struct strbuf header = STRBUF_INIT; @@ -1672,7 +1724,7 @@ static int update_squash_messages(struct repository *r, return error(_("need a HEAD to fixup")); if (!(head_commit = lookup_commit_reference(r, &head))) return error(_("could not read HEAD")); - if (!(head_message = get_commit_buffer(head_commit, NULL))) + if (!(head_message = logmsg_reencode(head_commit, NULL, encoding))) return error(_("could not read HEAD's commit message")); find_commit_subject(head_message, &body); @@ -1693,7 +1745,7 @@ static int update_squash_messages(struct repository *r, unuse_commit_buffer(head_commit, head_message); } - if (!(message = get_commit_buffer(commit, NULL))) + if (!(message = logmsg_reencode(commit, NULL, encoding))) return error(_("could not read commit message of %s"), oid_to_hex(&commit->object.oid)); find_commit_subject(message, &body); @@ -1775,7 +1827,7 @@ static int do_pick_commit(struct repository *r, enum todo_command command, struct commit *commit, struct replay_opts *opts, - int final_fixup) + int final_fixup, int *check_todo) { unsigned int flags = opts->edit ? EDIT_MSG : 0; const char *msg_file = opts->edit ? NULL : git_path_merge_msg(r); @@ -1785,7 +1837,7 @@ static int do_pick_commit(struct repository *r, char *author = NULL; struct commit_message msg = { NULL, NULL, NULL, NULL }; struct strbuf msgbuf = STRBUF_INIT; - int res, unborn = 0, allow; + int res, unborn = 0, reword = 0, allow; if (opts->no_commit) { /* @@ -1855,7 +1907,7 @@ static int do_pick_commit(struct repository *r, opts); if (res || command != TODO_REWORD) goto leave; - flags |= EDIT_MSG | AMEND_MSG | VERIFY_MSG; + reword = 1; msg_file = NULL; goto fast_forward_edit; } @@ -1913,7 +1965,7 @@ static int do_pick_commit(struct repository *r, } if (command == TODO_REWORD) - flags |= EDIT_MSG | VERIFY_MSG; + reword = 1; else if (is_fixup(command)) { if (update_squash_messages(r, command, commit, opts)) return -1; @@ -1997,13 +2049,21 @@ static int do_pick_commit(struct repository *r, } else if (allow) flags |= ALLOW_EMPTY; if (!opts->no_commit) { -fast_forward_edit: if (author || command == TODO_REVERT || (flags & AMEND_MSG)) res = do_commit(r, msg_file, author, opts, flags); else res = error(_("unable to parse commit author")); + *check_todo = !!(flags & EDIT_MSG); + if (!res && reword) { +fast_forward_edit: + res = run_git_commit(r, NULL, opts, EDIT_MSG | + VERIFY_MSG | AMEND_MSG | + (flags & ALLOW_EMPTY)); + *check_todo = 1; + } } + if (!res && final_fixup) { unlink(rebase_path_fixup_msg()); unlink(rebase_path_squash_msg()); @@ -2079,6 +2139,18 @@ const char *todo_item_get_arg(struct todo_list *todo_list, return todo_list->buf.buf + item->arg_offset; } +static int is_command(enum todo_command command, const char **bol) +{ + const char *str = todo_command_info[command].str; + const char nick = todo_command_info[command].c; + const char *p = *bol + 1; + + return skip_prefix(*bol, str, bol) || + ((nick && **bol == nick) && + (*p == ' ' || *p == '\t' || *p == '\n' || *p == '\r' || !*p) && + (*bol = p)); +} + static int parse_insn_line(struct repository *r, struct todo_item *item, const char *buf, const char *bol, char *eol) { @@ -2100,12 +2172,7 @@ static int parse_insn_line(struct repository *r, struct todo_item *item, } for (i = 0; i < TODO_COMMENT; i++) - if (skip_prefix(bol, todo_command_info[i].str, &bol)) { - item->command = i; - break; - } else if ((bol + 1 == eol || bol[1] == ' ') && - *bol == todo_command_info[i].c) { - bol++; + if (is_command(i, &bol)) { item->command = i; break; } @@ -2173,34 +2240,26 @@ static int parse_insn_line(struct repository *r, struct todo_item *item, int sequencer_get_last_command(struct repository *r, enum replay_action *action) { - struct todo_item item; - char *eol; - const char *todo_file; + const char *todo_file, *bol; struct strbuf buf = STRBUF_INIT; - int ret = -1; + int ret = 0; todo_file = git_path_todo_file(); if (strbuf_read_file(&buf, todo_file, 0) < 0) { - if (errno == ENOENT) + if (errno == ENOENT || errno == ENOTDIR) return -1; else return error_errno("unable to open '%s'", todo_file); } - eol = strchrnul(buf.buf, '\n'); - if (buf.buf != eol && eol[-1] == '\r') - eol--; /* strip Carriage Return */ - if (parse_insn_line(r, &item, buf.buf, buf.buf, eol)) - goto fail; - if (item.command == TODO_PICK) + bol = buf.buf + strspn(buf.buf, " \t\r\n"); + if (is_command(TODO_PICK, &bol) && (*bol == ' ' || *bol == '\t')) *action = REPLAY_PICK; - else if (item.command == TODO_REVERT) + else if (is_command(TODO_REVERT, &bol) && + (*bol == ' ' || *bol == '\t')) *action = REPLAY_REVERT; else - goto fail; - - ret = 0; + ret = -1; - fail: strbuf_release(&buf); return ret; @@ -2314,19 +2373,21 @@ static int have_finished_the_last_pick(void) return ret; } -void sequencer_post_commit_cleanup(struct repository *r) +void sequencer_post_commit_cleanup(struct repository *r, int verbose) { struct replay_opts opts = REPLAY_OPTS_INIT; int need_cleanup = 0; if (file_exists(git_path_cherry_pick_head(r))) { - unlink(git_path_cherry_pick_head(r)); + if (!unlink(git_path_cherry_pick_head(r)) && verbose) + warning(_("cancelling a cherry picking in progress")); opts.action = REPLAY_PICK; need_cleanup = 1; } if (file_exists(git_path_revert_head(r))) { - unlink(git_path_revert_head(r)); + if (!unlink(git_path_revert_head(r)) && verbose) + warning(_("cancelling a revert in progress")); opts.action = REPLAY_REVERT; need_cleanup = 1; } @@ -2531,6 +2592,16 @@ static int read_populate_opts(struct replay_opts *opts) opts->signoff = 1; } + if (file_exists(rebase_path_cdate_is_adate())) { + opts->allow_ff = 0; + opts->committer_date_is_author_date = 1; + } + + if (file_exists(rebase_path_ignore_date())) { + opts->allow_ff = 0; + opts->ignore_date = 1; + } + if (file_exists(rebase_path_reschedule_failed_exec())) opts->reschedule_failed_exec = 1; @@ -2613,6 +2684,10 @@ int write_basic_state(struct replay_opts *opts, const char *head_name, write_file(rebase_path_gpg_sign_opt(), "-S%s\n", opts->gpg_sign); if (opts->signoff) write_file(rebase_path_signoff(), "--signoff\n"); + if (opts->committer_date_is_author_date) + write_file(rebase_path_cdate_is_adate(), "%s", ""); + if (opts->ignore_date) + write_file(rebase_path_ignore_date(), "%s", ""); if (opts->reschedule_failed_exec) write_file(rebase_path_reschedule_failed_exec(), "%s", ""); @@ -2625,14 +2700,17 @@ static int walk_revs_populate_todo(struct todo_list *todo_list, enum todo_command command = opts->action == REPLAY_PICK ? TODO_PICK : TODO_REVERT; const char *command_string = todo_command_info[command].str; + const char *encoding; struct commit *commit; if (prepare_revs(opts)) return -1; + encoding = get_log_output_encoding(); + while ((commit = get_revision(opts->revs))) { struct todo_item *item = append_new_todo(todo_list); - const char *commit_buffer = get_commit_buffer(commit, NULL); + const char *commit_buffer = logmsg_reencode(commit, NULL, encoding); const char *subject; int subject_len; @@ -2653,15 +2731,41 @@ static int walk_revs_populate_todo(struct todo_list *todo_list, return 0; } -static int create_seq_dir(void) +static int create_seq_dir(struct repository *r) { - 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)\"")); + enum replay_action action; + const char *in_progress_error = NULL; + const char *in_progress_advice = NULL; + unsigned int advise_skip = file_exists(git_path_revert_head(r)) || + file_exists(git_path_cherry_pick_head(r)); + + if (!sequencer_get_last_command(r, &action)) { + switch (action) { + case REPLAY_REVERT: + in_progress_error = _("revert is already in progress"); + in_progress_advice = + _("try \"git revert (--continue | %s--abort | --quit)\""); + break; + case REPLAY_PICK: + in_progress_error = _("cherry-pick is already in progress"); + in_progress_advice = + _("try \"git cherry-pick (--continue | %s--abort | --quit)\""); + break; + default: + BUG("unexpected action in create_seq_dir"); + } + } + if (in_progress_error) { + error("%s", in_progress_error); + if (advice_sequencer_in_use) + advise(in_progress_advice, + advise_skip ? "--skip | " : ""); return -1; - } else if (mkdir(git_path_seq_dir(), 0777) < 0) + } + if (mkdir(git_path_seq_dir(), 0777) < 0) return error_errno(_("could not create sequencer directory '%s'"), git_path_seq_dir()); + return 0; } @@ -2712,15 +2816,20 @@ static int rollback_is_safe(void) return oideq(&actual_head, &expected_head); } -static int reset_for_rollback(const struct object_id *oid) +static int reset_merge(const struct object_id *oid) { - const char *argv[4]; /* reset --merge <arg> + NULL */ + int ret; + struct argv_array argv = ARGV_ARRAY_INIT; - argv[0] = "reset"; - argv[1] = "--merge"; - argv[2] = oid_to_hex(oid); - argv[3] = NULL; - return run_command_v_opt(argv, RUN_GIT_CMD); + argv_array_pushl(&argv, "reset", "--merge", NULL); + + if (!is_null_oid(oid)) + argv_array_push(&argv, oid_to_hex(oid)); + + ret = run_command_v_opt(argv.argv, RUN_GIT_CMD); + argv_array_clear(&argv); + + return ret; } static int rollback_single_pick(struct repository *r) @@ -2734,7 +2843,16 @@ static int rollback_single_pick(struct repository *r) return error(_("cannot resolve HEAD")); if (is_null_oid(&head_oid)) return error(_("cannot abort from a branch yet to be born")); - return reset_for_rollback(&head_oid); + return reset_merge(&head_oid); +} + +static int skip_single_pick(void) +{ + struct object_id head; + + if (read_ref_full("HEAD", 0, &head, NULL)) + return error(_("cannot resolve HEAD")); + return reset_merge(&head); } int sequencer_rollback(struct repository *r, struct replay_opts *opts) @@ -2777,7 +2895,7 @@ int sequencer_rollback(struct repository *r, struct replay_opts *opts) warning(_("You seem to have moved HEAD. " "Not rewinding, check your HEAD!")); } else - if (reset_for_rollback(&oid)) + if (reset_merge(&oid)) goto fail; strbuf_release(&buf); return sequencer_remove_state(opts); @@ -2786,6 +2904,70 @@ fail: return -1; } +int sequencer_skip(struct repository *r, struct replay_opts *opts) +{ + enum replay_action action = -1; + sequencer_get_last_command(r, &action); + + /* + * Check whether the subcommand requested to skip the commit is actually + * in progress and that it's safe to skip the commit. + * + * opts->action tells us which subcommand requested to skip the commit. + * If the corresponding .git/<ACTION>_HEAD exists, we know that the + * action is in progress and we can skip the commit. + * + * Otherwise we check that the last instruction was related to the + * particular subcommand we're trying to execute and barf if that's not + * the case. + * + * Finally we check that the rollback is "safe", i.e., has the HEAD + * moved? In this case, it doesn't make sense to "reset the merge" and + * "skip the commit" as the user already handled this by committing. But + * we'd not want to barf here, instead give advice on how to proceed. We + * only need to check that when .git/<ACTION>_HEAD doesn't exist because + * it gets removed when the user commits, so if it still exists we're + * sure the user can't have committed before. + */ + switch (opts->action) { + case REPLAY_REVERT: + if (!file_exists(git_path_revert_head(r))) { + if (action != REPLAY_REVERT) + return error(_("no revert in progress")); + if (!rollback_is_safe()) + goto give_advice; + } + break; + case REPLAY_PICK: + if (!file_exists(git_path_cherry_pick_head(r))) { + if (action != REPLAY_PICK) + return error(_("no cherry-pick in progress")); + if (!rollback_is_safe()) + goto give_advice; + } + break; + default: + BUG("unexpected action in sequencer_skip"); + } + + if (skip_single_pick()) + return error(_("failed to skip the commit")); + if (!is_directory(git_path_seq_dir())) + return 0; + + return sequencer_continue(r, opts); + +give_advice: + error(_("there is nothing to skip")); + + if (advice_resolve_conflict) { + advise(_("have you committed already?\n" + "try \"git %s --continue\""), + action == REPLAY_REVERT ? "revert" : "cherry-pick"); + } + return -1; +} + static int save_todo(struct todo_list *todo_list, struct replay_opts *opts) { struct lock_file todo_lock = LOCK_INIT; @@ -2925,7 +3107,8 @@ static int make_patch(struct repository *r, strbuf_addf(&buf, "%s/message", get_dir(opts)); if (!file_exists(buf.buf)) { - const char *commit_buffer = get_commit_buffer(commit, NULL); + const char *encoding = get_commit_output_encoding(); + const char *commit_buffer = logmsg_reencode(commit, NULL, encoding); find_commit_subject(commit_buffer, &subject); res |= write_message(subject, strlen(subject), buf.buf, 1); unuse_commit_buffer(commit, commit_buffer); @@ -3197,7 +3380,7 @@ static int do_reset(struct repository *r, return error_resolve_conflict(_(action_name(opts))); } - if (!fill_tree_descriptor(&desc, &oid)) { + if (!fill_tree_descriptor(r, &desc, &oid)) { error(_("failed to find tree of %s"), oid_to_hex(&oid)); rollback_lock_file(&lock); free((void *)desc.buffer); @@ -3259,6 +3442,9 @@ static int do_merge(struct repository *r, struct commit *head_commit, *merge_commit, *i; struct commit_list *bases, *j, *reversed = NULL; struct commit_list *to_merge = NULL, **tail = &to_merge; + const char *strategy = !opts->xopts_nr && + (!opts->strategy || !strcmp(opts->strategy, "recursive")) ? + NULL : opts->strategy; struct merge_options o; int merge_arg_len, oneline_offset, can_fast_forward, ret, k; static struct lock_file lock; @@ -3324,7 +3510,8 @@ static int do_merge(struct repository *r, } if (commit) { - const char *message = get_commit_buffer(commit, NULL); + const char *encoding = get_commit_output_encoding(); + const char *message = logmsg_reencode(commit, NULL, encoding); const char *body; int len; @@ -3404,10 +3591,14 @@ static int do_merge(struct repository *r, rollback_lock_file(&lock); ret = fast_forward_to(r, &commit->object.oid, &head_commit->object.oid, 0, opts); + if (flags & TODO_EDIT_MERGE_MSG) { + run_commit_flags |= AMEND_MSG; + goto fast_forward_edit; + } goto leave_merge; } - if (to_merge->next) { + if (strategy || to_merge->next) { /* Octopus merge */ struct child_process cmd = CHILD_PROCESS_INIT; @@ -3421,7 +3612,14 @@ static int do_merge(struct repository *r, cmd.git_cmd = 1; argv_array_push(&cmd.args, "merge"); argv_array_push(&cmd.args, "-s"); - argv_array_push(&cmd.args, "octopus"); + if (!strategy) + argv_array_push(&cmd.args, "octopus"); + else { + argv_array_push(&cmd.args, strategy); + for (k = 0; k < opts->xopts_nr; k++) + argv_array_pushf(&cmd.args, + "-X%s", opts->xopts[k]); + } argv_array_push(&cmd.args, "--no-edit"); argv_array_push(&cmd.args, "--no-ff"); argv_array_push(&cmd.args, "--no-log"); @@ -3430,6 +3628,8 @@ static int do_merge(struct repository *r, argv_array_push(&cmd.args, git_path_merge_msg(r)); if (opts->gpg_sign) argv_array_push(&cmd.args, opts->gpg_sign); + if (opts->ignore_date) + push_dates(&cmd, opts->committer_date_is_author_date); /* Add the tips to be merged */ for (j = to_merge; j; j = j->next) @@ -3459,7 +3659,7 @@ static int do_merge(struct repository *r, goto leave_merge; } - write_message(oid_to_hex(&merge_commit->object.oid), GIT_SHA1_HEXSZ, + write_message(oid_to_hex(&merge_commit->object.oid), the_hash_algo->hexsz, git_path_merge_head(r), 0); write_message("no-ff", 5, git_path_merge_mode(r), 0); @@ -3507,6 +3707,7 @@ static int do_merge(struct repository *r, * value (a negative one would indicate that the `merge` * command needs to be rescheduled). */ + fast_forward_edit: ret = !!run_git_commit(r, git_path_merge_msg(r), opts, run_commit_flags); @@ -3701,13 +3902,16 @@ static int pick_commits(struct repository *r, setenv(GIT_REFLOG_ACTION, action_name(opts), 0); if (opts->allow_ff) assert(!(opts->signoff || opts->no_commit || - opts->record_origin || opts->edit)); + opts->record_origin || opts->edit || + opts->committer_date_is_author_date || + opts->ignore_date)); if (read_and_refresh_cache(r, opts)) return -1; while (todo_list->current < todo_list->nr) { struct todo_item *item = todo_list->items + todo_list->current; const char *arg = todo_item_get_arg(todo_list, item); + int check_todo = 0; if (save_todo(todo_list, opts)) return -1; @@ -3731,7 +3935,7 @@ static int pick_commits(struct repository *r, unlink(rebase_path_author_script()); unlink(rebase_path_stopped_sha()); unlink(rebase_path_amend()); - unlink(git_path_merge_head(the_repository)); + unlink(git_path_merge_head(r)); delete_ref(NULL, "REBASE_HEAD", NULL, REF_NO_DEREF); if (item->command == TODO_BREAK) { @@ -3746,7 +3950,8 @@ static int pick_commits(struct repository *r, command_to_string(item->command), NULL), 1); res = do_pick_commit(r, item->command, item->commit, - opts, is_final_fixup(todo_list)); + opts, is_final_fixup(todo_list), + &check_todo); if (is_rebase_i(opts) && res < 0) { /* Reschedule */ advise(_(rescheduled_advice), @@ -3803,7 +4008,6 @@ static int pick_commits(struct repository *r, } else if (item->command == TODO_EXEC) { char *end_of_arg = (char *)(arg + item->arg_len); int saved = *end_of_arg; - struct stat st; if (!opts->verbose) term_clear_line(); @@ -3814,17 +4018,8 @@ static int pick_commits(struct repository *r, if (res) { if (opts->reschedule_failed_exec) reschedule = 1; - } 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)) { - /* Reread the todo file if it has changed. */ - todo_list_release(todo_list); - if (read_populate_todo(r, todo_list, opts)) - res = -1; /* message was printed */ - /* `current` will be incremented below */ - todo_list->current = -1; } + check_todo = 1; } else if (item->command == TODO_LABEL) { if ((res = do_label(r, arg, item->arg_len))) reschedule = 1; @@ -3860,6 +4055,20 @@ static int pick_commits(struct repository *r, item->commit, arg, item->arg_len, opts, res, 0); + } else if (is_rebase_i(opts) && check_todo && !res) { + struct stat st; + + 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)) { + /* Reread the todo file if it has changed. */ + todo_list_release(todo_list); + if (read_populate_todo(r, todo_list, opts)) + res = -1; /* message was printed */ + /* `current` will be incremented below */ + todo_list->current = -1; + } } todo_list->current++; @@ -4087,9 +4296,10 @@ static int commit_staged_changes(struct repository *r, */ struct commit *commit; const char *path = rebase_path_squash_msg(); + const char *encoding = get_commit_output_encoding(); if (parse_head(r, &commit) || - !(p = get_commit_buffer(commit, NULL)) || + !(p = logmsg_reencode(commit, NULL, encoding)) || write_message(p, strlen(p), path, 0)) { unuse_commit_buffer(commit, p); return error(_("could not write file: " @@ -4116,7 +4326,7 @@ static int commit_staged_changes(struct repository *r, opts, flags)) return error(_("could not commit staged changes.")); unlink(rebase_path_amend()); - unlink(git_path_merge_head(the_repository)); + unlink(git_path_merge_head(r)); if (final_fixup) { unlink(rebase_path_fixup_msg()); unlink(rebase_path_squash_msg()); @@ -4186,9 +4396,12 @@ static int single_pick(struct repository *r, struct commit *cmit, struct replay_opts *opts) { + int check_todo; + setenv(GIT_REFLOG_ACTION, action_name(opts), 0); return do_pick_commit(r, opts->action == REPLAY_PICK ? - TODO_PICK : TODO_REVERT, cmit, opts, 0); + TODO_PICK : TODO_REVERT, cmit, opts, 0, + &check_todo); } int sequencer_pick_revisions(struct repository *r, @@ -4251,7 +4464,7 @@ int sequencer_pick_revisions(struct repository *r, */ if (walk_revs_populate_todo(&todo_list, opts) || - create_seq_dir() < 0) + create_seq_dir(r) < 0) return -1; if (get_oid("HEAD", &oid) && (opts->action == REPLAY_REVERT)) return error(_("can't revert as initial commit")); @@ -4330,9 +4543,14 @@ struct labels_entry { char label[FLEX_ARRAY]; }; -static int labels_cmp(const void *fndata, const struct labels_entry *a, - const struct labels_entry *b, const void *key) +static int labels_cmp(const void *fndata, const struct hashmap_entry *eptr, + const struct hashmap_entry *entry_or_key, const void *key) { + const struct labels_entry *a, *b; + + a = container_of(eptr, const struct labels_entry, entry); + b = container_of(entry_or_key, const struct labels_entry, entry); + return key ? strcmp(a->label, key) : strcmp(a->label, b->label); } @@ -4353,7 +4571,6 @@ static const char *label_oid(struct object_id *oid, const char *label, struct labels_entry *labels_entry; struct string_entry *string_entry; struct object_id dummy; - size_t len; int i; string_entry = oidmap_get(&state->commit2label, oid); @@ -4373,11 +4590,11 @@ static const char *label_oid(struct object_id *oid, const char *label, * abbreviation for any uninteresting commit's names that does not * clash with any other label. */ + strbuf_reset(&state->buf); if (!label) { char *p; - strbuf_reset(&state->buf); - strbuf_grow(&state->buf, GIT_SHA1_HEXSZ); + strbuf_grow(&state->buf, GIT_MAX_HEXSZ); label = p = state->buf.buf; find_unique_abbrev_r(p, oid, default_abbrev); @@ -4390,7 +4607,7 @@ static const char *label_oid(struct object_id *oid, const char *label, size_t i = strlen(p) + 1; oid_to_hex_r(p, oid); - for (; i < GIT_SHA1_HEXSZ; i++) { + for (; i < the_hash_algo->hexsz; i++) { char save = p[i]; p[i] = '\0'; if (!hashmap_get_from_hash(&state->labels, @@ -4399,37 +4616,60 @@ static const char *label_oid(struct object_id *oid, const char *label, p[i] = save; } } - } else if (((len = strlen(label)) == the_hash_algo->hexsz && - !get_oid_hex(label, &dummy)) || - (len == 1 && *label == '#') || - hashmap_get_from_hash(&state->labels, - strihash(label), label)) { + } else { + struct strbuf *buf = &state->buf; + /* - * If the label already exists, or if the label is a valid full - * OID, or the label is a '#' (which we use as a separator - * between merge heads and oneline), we append a dash and a - * number to make it unique. + * Sanitize labels by replacing non-alpha-numeric characters + * (including white-space ones) by dashes, as they might be + * illegal in file names (and hence in ref names). + * + * Note that we retain non-ASCII UTF-8 characters (identified + * via the most significant bit). They should be all acceptable + * in file names. We do not validate the UTF-8 here, that's not + * the job of this function. */ - struct strbuf *buf = &state->buf; + for (; *label; label++) + if ((*label & 0x80) || isalnum(*label)) + strbuf_addch(buf, *label); + /* avoid leading dash and double-dashes */ + else if (buf->len && buf->buf[buf->len - 1] != '-') + strbuf_addch(buf, '-'); + if (!buf->len) { + strbuf_addstr(buf, "rev-"); + strbuf_add_unique_abbrev(buf, oid, default_abbrev); + } + label = buf->buf; - strbuf_reset(buf); - strbuf_add(buf, label, len); + if ((buf->len == the_hash_algo->hexsz && + !get_oid_hex(label, &dummy)) || + (buf->len == 1 && *label == '#') || + hashmap_get_from_hash(&state->labels, + strihash(label), label)) { + /* + * If the label already exists, or if the label is a + * valid full OID, or the label is a '#' (which we use + * as a separator between merge heads and oneline), we + * append a dash and a number to make it unique. + */ + size_t len = buf->len; - for (i = 2; ; i++) { - strbuf_setlen(buf, len); - strbuf_addf(buf, "-%d", i); - if (!hashmap_get_from_hash(&state->labels, - strihash(buf->buf), - buf->buf)) - break; - } + for (i = 2; ; i++) { + strbuf_setlen(buf, len); + strbuf_addf(buf, "-%d", i); + if (!hashmap_get_from_hash(&state->labels, + strihash(buf->buf), + buf->buf)) + break; + } - label = buf->buf; + label = buf->buf; + } } FLEX_ALLOC_STR(labels_entry, label, label); - hashmap_entry_init(labels_entry, strihash(label)); - hashmap_add(&state->labels, labels_entry); + hashmap_entry_init(&labels_entry->entry, strihash(label)); + hashmap_add(&state->labels, &labels_entry->entry); FLEX_ALLOC_STR(string_entry, string, label); oidcpy(&string_entry->entry.oid, oid); @@ -4444,6 +4684,7 @@ static int make_script_with_merges(struct pretty_print_context *pp, { int keep_empty = flags & TODO_LIST_KEEP_EMPTY; int rebase_cousins = flags & TODO_LIST_REBASE_COUSINS; + int root_with_onto = flags & TODO_LIST_ROOT_WITH_ONTO; struct strbuf buf = STRBUF_INIT, oneline = STRBUF_INIT; struct strbuf label = STRBUF_INIT; struct commit_list *commits = NULL, **tail = &commits, *iter; @@ -4463,14 +4704,19 @@ static int make_script_with_merges(struct pretty_print_context *pp, oidmap_init(&commit2todo, 0); oidmap_init(&state.commit2label, 0); - hashmap_init(&state.labels, (hashmap_cmp_fn) labels_cmp, NULL, 0); + hashmap_init(&state.labels, labels_cmp, NULL, 0); strbuf_init(&state.buf, 32); if (revs->cmdline.nr && (revs->cmdline.rev[0].flags & BOTTOM)) { + struct labels_entry *onto_label_entry; struct object_id *oid = &revs->cmdline.rev[0].item->oid; FLEX_ALLOC_STR(entry, string, "onto"); oidcpy(&entry->entry.oid, oid); oidmap_put(&state.commit2label, entry); + + FLEX_ALLOC_STR(onto_label_entry, label, "onto"); + hashmap_entry_init(&onto_label_entry->entry, strihash("onto")); + hashmap_add(&state.labels, &onto_label_entry->entry); } /* @@ -4525,10 +4771,6 @@ static int make_script_with_merges(struct pretty_print_context *pp, else strbuf_addbuf(&label, &oneline); - for (p1 = label.buf; *p1; p1++) - if (isspace(*p1)) - *(char *)p1 = '-'; - strbuf_reset(&buf); strbuf_addf(&buf, "%s -C %s", cmd_merge, oid_to_hex(&commit->object.oid)); @@ -4571,7 +4813,7 @@ static int make_script_with_merges(struct pretty_print_context *pp, label_oid(oid, "branch-point", &state); } - /* Add HEAD as implict "tip of branch" */ + /* Add HEAD as implicit "tip of branch" */ if (!iter->next) tips_tail = &commit_list_insert(iter->item, tips_tail)->next; @@ -4610,7 +4852,8 @@ static int make_script_with_merges(struct pretty_print_context *pp, if (!commit) strbuf_addf(out, "%s %s\n", cmd_reset, - rebase_cousins ? "onto" : "[new root]"); + rebase_cousins || root_with_onto ? + "onto" : "[new root]"); else { const char *to = NULL; @@ -4657,7 +4900,7 @@ static int make_script_with_merges(struct pretty_print_context *pp, oidmap_free(&commit2todo, 1); oidmap_free(&state.commit2label, 1); - hashmap_free(&state.labels, 1); + hashmap_free_entries(&state.labels, struct labels_entry, entry); strbuf_release(&state.buf); return 0; @@ -4752,7 +4995,7 @@ void todo_list_add_exec_commands(struct todo_list *todo_list, * are considered part of the pick, so we insert the commands *after* * those chains if there are any. * - * As we insert the exec commands immediatly after rearranging + * As we insert the exec commands immediately after rearranging * any fixups and before the user edits the list, a fixup chain * can never contain comments (any comments are empty picks that * have been commented out because the user did not specify @@ -5028,9 +5271,15 @@ struct subject2item_entry { }; static int subject2item_cmp(const void *fndata, - const struct subject2item_entry *a, - const struct subject2item_entry *b, const void *key) + const struct hashmap_entry *eptr, + const struct hashmap_entry *entry_or_key, + const void *key) { + const struct subject2item_entry *a, *b; + + a = container_of(eptr, const struct subject2item_entry, entry); + b = container_of(entry_or_key, const struct subject2item_entry, entry); + return key ? strcmp(a->subject, key) : strcmp(a->subject, b->subject); } @@ -5063,8 +5312,7 @@ int todo_list_rearrange_squash(struct todo_list *todo_list) * In that case, last[i] will indicate the index of the latest item to * be moved to appear after the i'th. */ - hashmap_init(&subject2item, (hashmap_cmp_fn) subject2item_cmp, - NULL, todo_list->nr); + hashmap_init(&subject2item, subject2item_cmp, NULL, todo_list->nr); ALLOC_ARRAY(next, todo_list->nr); ALLOC_ARRAY(tail, todo_list->nr); ALLOC_ARRAY(subjects, todo_list->nr); @@ -5090,7 +5338,7 @@ int todo_list_rearrange_squash(struct todo_list *todo_list) *commit_todo_item_at(&commit_todo, item->commit) = item; parse_commit(item->commit); - commit_buffer = get_commit_buffer(item->commit, NULL); + commit_buffer = logmsg_reencode(item->commit, NULL, "UTF-8"); find_commit_subject(commit_buffer, &subject); format_subject(&buf, subject, " "); subject = subjects[i] = strbuf_detach(&buf, &subject_len); @@ -5107,8 +5355,11 @@ int todo_list_rearrange_squash(struct todo_list *todo_list) break; } - if ((entry = hashmap_get_from_hash(&subject2item, - strhash(p), p))) + entry = hashmap_get_entry_from_hash(&subject2item, + strhash(p), p, + struct subject2item_entry, + entry); + if (entry) /* found by title */ i2 = entry->i; else if (!strchr(p, ' ') && @@ -5142,8 +5393,9 @@ int todo_list_rearrange_squash(struct todo_list *todo_list) strhash(subject), subject)) { FLEX_ALLOC_MEM(entry, subject, subject, subject_len); entry->i = i; - hashmap_entry_init(entry, strhash(entry->subject)); - hashmap_put(&subject2item, entry); + hashmap_entry_init(&entry->entry, + strhash(entry->subject)); + hashmap_put(&subject2item, &entry->entry); } } @@ -5177,7 +5429,7 @@ int todo_list_rearrange_squash(struct todo_list *todo_list) for (i = 0; i < todo_list->nr; i++) free(subjects[i]); free(subjects); - hashmap_free(&subject2item, 1); + hashmap_free_entries(&subject2item, struct subject2item_entry, entry); clear_commit_todo_item(&commit_todo); |