diff options
Diffstat (limited to 'sequencer.c')
| -rw-r--r-- | sequencer.c | 1489 |
1 files changed, 895 insertions, 594 deletions
diff --git a/sequencer.c b/sequencer.c index debb2ecbaf..aa2a239835 100644 --- a/sequencer.c +++ b/sequencer.c @@ -1,23 +1,33 @@ -#include "cache.h" +#include "git-compat-util.h" +#include "abspath.h" +#include "advice.h" #include "config.h" +#include "copy.h" +#include "environment.h" +#include "gettext.h" +#include "hex.h" #include "lockfile.h" #include "dir.h" -#include "object-store.h" +#include "object-file.h" +#include "object-name.h" +#include "object-store-ll.h" #include "object.h" +#include "pager.h" #include "commit.h" #include "sequencer.h" -#include "tag.h" #include "run-command.h" #include "hook.h" -#include "exec-cmd.h" #include "utf8.h" #include "cache-tree.h" #include "diff.h" +#include "path.h" #include "revision.h" #include "rerere.h" +#include "merge.h" #include "merge-ort.h" #include "merge-ort-wrappers.h" #include "refs.h" +#include "sparse-index.h" #include "strvec.h" #include "quote.h" #include "trailer.h" @@ -27,7 +37,6 @@ #include "notes-utils.h" #include "sigchain.h" #include "unpack-trees.h" -#include "worktree.h" #include "oidmap.h" #include "oidset.h" #include "commit-slab.h" @@ -36,10 +45,18 @@ #include "rebase-interactive.h" #include "reset.h" #include "branch.h" -#include "log-tree.h" #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION" +/* + * To accommodate common filesystem limitations, where the loose refs' file + * names must not exceed `NAME_MAX`, the labels generated by `git rebase + * --rebase-merges` need to be truncated if the corresponding commit subjects + * are too long. + * Add some margin to stay clear from reaching `NAME_MAX`. + */ +#define GIT_MAX_LABEL_LENGTH ((NAME_MAX) - (LOCK_SUFFIX_LEN) - 16) + static const char sign_off_header[] = "Signed-off-by: "; static const char cherry_picked_prefix[] = "(cherry picked from commit "; @@ -128,6 +145,11 @@ static GIT_PATH_FUNC(rebase_path_amend, "rebase-merge/amend") */ static GIT_PATH_FUNC(rebase_path_stopped_sha, "rebase-merge/stopped-sha") /* + * When we stop for the user to resolve conflicts this file contains + * the patch of the commit that is being picked. + */ +static GIT_PATH_FUNC(rebase_path_patch, "rebase-merge/patch") +/* * For the post-rewrite hook, we make a list of rewritten commits and * their new sha1s. The rewritten-pending list keeps the sha1s of * commits that have been processed, but not committed yet, @@ -185,6 +207,46 @@ static GIT_PATH_FUNC(rebase_path_no_reschedule_failed_exec, "rebase-merge/no-res static GIT_PATH_FUNC(rebase_path_drop_redundant_commits, "rebase-merge/drop_redundant_commits") static GIT_PATH_FUNC(rebase_path_keep_redundant_commits, "rebase-merge/keep_redundant_commits") +/* + * A 'struct replay_ctx' represents the private state of the sequencer. + */ +struct replay_ctx { + /* + * The commit message that will be used except at the end of a + * chain of fixup and squash commands. + */ + struct strbuf message; + /* + * The list of completed fixup and squash commands in the + * current chain. + */ + struct strbuf current_fixups; + /* + * Stores the reflog message that will be used when creating a + * commit. Points to a static buffer and should not be free()'d. + */ + const char *reflog_message; + /* + * The number of completed fixup and squash commands in the + * current chain. + */ + int current_fixup_count; + /* + * Whether message contains a commit message. + */ + unsigned have_message :1; +}; + +struct replay_ctx* replay_ctx_new(void) +{ + struct replay_ctx *ctx = xcalloc(1, sizeof(*ctx)); + + strbuf_init(&ctx->current_fixups, 0); + strbuf_init(&ctx->message, 0); + + return ctx; +} + /** * A 'struct update_refs_record' represents a value in the update-refs * list. We use a string_list to map refs to these (before, after) pairs. @@ -204,42 +266,38 @@ static struct update_ref_record *init_update_ref_record(const char *ref) oidcpy(&rec->after, null_oid()); /* This may fail, but that's fine, we will keep the null OID. */ - read_ref(ref, &rec->before); + refs_read_ref(get_main_ref_store(the_repository), ref, &rec->before); return rec; } -static int git_sequencer_config(const char *k, const char *v, void *cb) +static int git_sequencer_config(const char *k, const char *v, + const struct config_context *ctx, void *cb) { struct replay_opts *opts = cb; - int status; if (!strcmp(k, "commit.cleanup")) { - const char *s; + if (!v) + return config_error_nonbool(k); - status = git_config_string(&s, k, v); - if (status) - return status; - - if (!strcmp(s, "verbatim")) { + if (!strcmp(v, "verbatim")) { opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_NONE; opts->explicit_cleanup = 1; - } else if (!strcmp(s, "whitespace")) { + } else if (!strcmp(v, "whitespace")) { opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_SPACE; opts->explicit_cleanup = 1; - } else if (!strcmp(s, "strip")) { + } else if (!strcmp(v, "strip")) { opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_ALL; opts->explicit_cleanup = 1; - } else if (!strcmp(s, "scissors")) { + } else if (!strcmp(v, "scissors")) { opts->default_msg_cleanup = COMMIT_MSG_CLEANUP_SCISSORS; opts->explicit_cleanup = 1; } else { warning(_("invalid commit message cleanup mode '%s'"), - s); + v); } - free((char *)s); - return status; + return 0; } if (!strcmp(k, "commit.gpgsign")) { @@ -264,11 +322,7 @@ static int git_sequencer_config(const char *k, const char *v, void *cb) if (opts->action == REPLAY_REVERT && !strcmp(k, "revert.reference")) opts->commit_use_reference = git_config_bool(k, v); - status = git_gpg_config(k, v, NULL); - if (status) - return status; - - return git_diff_basic_config(k, v, NULL); + return git_diff_basic_config(k, v, ctx, NULL); } void sequencer_init_config(struct replay_opts *opts) @@ -305,35 +359,32 @@ static const char *get_todo_path(const struct replay_opts *opts) static int has_conforming_footer(struct strbuf *sb, struct strbuf *sob, size_t ignore_footer) { - struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; - struct trailer_info info; - size_t i; + struct trailer_iterator iter; + size_t i = 0; int found_sob = 0, found_sob_last = 0; char saved_char; - opts.no_divider = 1; - if (ignore_footer) { saved_char = sb->buf[sb->len - ignore_footer]; sb->buf[sb->len - ignore_footer] = '\0'; } - trailer_info_get(&info, sb->buf, &opts); + trailer_iterator_init(&iter, sb->buf); if (ignore_footer) sb->buf[sb->len - ignore_footer] = saved_char; - if (info.trailer_start == info.trailer_end) - return 0; + while (trailer_iterator_advance(&iter)) { + i++; + if (sob && !strncmp(iter.raw, sob->buf, sob->len)) + found_sob = i; + } + trailer_iterator_release(&iter); - for (i = 0; i < info.trailer_nr; i++) - if (sob && !strncmp(info.trailers[i], sob->buf, sob->len)) { - found_sob = 1; - if (i == info.trailer_nr - 1) - found_sob_last = 1; - } + if (!i) + return 0; - trailer_info_release(&info); + found_sob_last = (int)i == found_sob; if (found_sob_last) return 3; @@ -352,10 +403,32 @@ static const char *gpg_sign_opt_quoted(struct replay_opts *opts) return buf.buf; } +static void replay_ctx_release(struct replay_ctx *ctx) +{ + strbuf_release(&ctx->current_fixups); + strbuf_release(&ctx->message); +} + +void replay_opts_release(struct replay_opts *opts) +{ + struct replay_ctx *ctx = opts->ctx; + + free(opts->gpg_sign); + free(opts->reflog_action); + free(opts->default_strategy); + free(opts->strategy); + strvec_clear (&opts->xopts); + if (opts->revs) + release_revisions(opts->revs); + free(opts->revs); + replay_ctx_release(ctx); + free(opts->ctx); +} + int sequencer_remove_state(struct replay_opts *opts) { struct strbuf buf = STRBUF_INIT; - int i, ret = 0; + int ret = 0; if (is_rebase_i(opts) && strbuf_read_file(&buf, rebase_path_refs_to_delete(), 0) > 0) { @@ -364,7 +437,7 @@ int sequencer_remove_state(struct replay_opts *opts) char *eol = strchr(p, '\n'); if (eol) *eol = '\0'; - if (delete_ref("(rebase) cleanup", p, NULL, 0) < 0) { + if (refs_delete_ref(get_main_ref_store(the_repository), "(rebase) cleanup", p, NULL, 0) < 0) { warning(_("could not delete '%s'"), p); ret = -1; } @@ -374,14 +447,6 @@ int sequencer_remove_state(struct replay_opts *opts) } } - free(opts->gpg_sign); - free(opts->default_strategy); - free(opts->strategy); - for (i = 0; i < opts->xopts_nr; i++) - free(opts->xopts[i]); - free(opts->xopts); - strbuf_release(&opts->current_fixups); - strbuf_reset(&buf); strbuf_addstr(&buf, get_dir(opts)); if (remove_dir_recursively(&buf, 0)) @@ -411,9 +476,9 @@ struct commit_message { const char *message; }; -static const char *short_commit_name(struct commit *commit) +static const char *short_commit_name(struct repository *r, struct commit *commit) { - return find_unique_abbrev(&commit->object.oid, DEFAULT_ABBREV); + return repo_find_unique_abbrev(r, &commit->object.oid, DEFAULT_ABBREV); } static int get_message(struct commit *commit, struct commit_message *out) @@ -421,8 +486,9 @@ static int get_message(struct commit *commit, struct commit_message *out) const char *abbrev, *subject; int subject_len; - out->message = logmsg_reencode(commit, NULL, get_commit_output_encoding()); - abbrev = short_commit_name(commit); + out->message = repo_logmsg_reencode(the_repository, commit, NULL, + get_commit_output_encoding()); + abbrev = short_commit_name(the_repository, commit); subject_len = find_commit_subject(out->message, &subject); @@ -438,44 +504,59 @@ 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); + repo_unuse_commit_buffer(the_repository, commit, msg->message); } +const char *rebase_resolvemsg = +N_("Resolve all conflicts manually, mark them as resolved with\n" +"\"git add/rm <conflicted_files>\", then run \"git rebase --continue\".\n" +"You can instead skip this commit: run \"git rebase --skip\".\n" +"To abort and get back to the state before \"git rebase\", run " +"\"git rebase --abort\"."); + static void print_advice(struct repository *r, int show_hint, struct replay_opts *opts) { - char *msg = getenv("GIT_CHERRY_PICK_HELP"); + const char *msg; + + if (is_rebase_i(opts)) + msg = rebase_resolvemsg; + else + msg = getenv("GIT_CHERRY_PICK_HELP"); if (msg) { - advise("%s\n", msg); + advise_if_enabled(ADVICE_MERGE_CONFLICT, "%s", msg); /* * A conflict has occurred but the porcelain * (typically rebase --interactive) wants to take care * of the commit itself so remove CHERRY_PICK_HEAD */ refs_delete_ref(get_main_ref_store(r), "", "CHERRY_PICK_HEAD", - NULL, 0); + NULL, REF_NO_DEREF); return; } if (show_hint) { if (opts->no_commit) - advise(_("after resolving the conflicts, mark the corrected paths\n" - "with 'git add <paths>' or 'git rm <paths>'")); + advise_if_enabled(ADVICE_MERGE_CONFLICT, + _("after resolving the conflicts, mark the corrected paths\n" + "with 'git add <paths>' or 'git rm <paths>'")); else if (opts->action == REPLAY_PICK) - advise(_("After resolving the conflicts, mark them with\n" - "\"git add/rm <pathspec>\", then run\n" - "\"git cherry-pick --continue\".\n" - "You can instead skip this commit with \"git cherry-pick --skip\".\n" - "To abort and get back to the state before \"git cherry-pick\",\n" - "run \"git cherry-pick --abort\".")); + advise_if_enabled(ADVICE_MERGE_CONFLICT, + _("After resolving the conflicts, mark them with\n" + "\"git add/rm <pathspec>\", then run\n" + "\"git cherry-pick --continue\".\n" + "You can instead skip this commit with \"git cherry-pick --skip\".\n" + "To abort and get back to the state before \"git cherry-pick\",\n" + "run \"git cherry-pick --abort\".")); else if (opts->action == REPLAY_REVERT) - advise(_("After resolving the conflicts, mark them with\n" - "\"git add/rm <pathspec>\", then run\n" - "\"git revert --continue\".\n" - "You can instead skip this commit with \"git revert --skip\".\n" - "To abort and get back to the state before \"git revert\",\n" - "run \"git revert --abort\".")); + advise_if_enabled(ADVICE_MERGE_CONFLICT, + _("After resolving the conflicts, mark them with\n" + "\"git add/rm <pathspec>\", then run\n" + "\"git revert --continue\".\n" + "You can instead skip this commit with \"git revert --skip\".\n" + "To abort and get back to the state before \"git revert\",\n" + "run \"git revert --abort\".")); else BUG("unexpected pick action in print_advice()"); } @@ -555,7 +636,7 @@ static void update_abort_safety_file(void) if (!file_exists(git_path_seq_dir())) return; - if (!get_oid("HEAD", &head)) + if (!repo_get_oid(the_repository, "HEAD", &head)) write_file(git_path_abort_safety_file(), "%s", oid_to_hex(&head)); else write_file(git_path_abort_safety_file(), "%s", ""); @@ -577,11 +658,12 @@ static int fast_forward_to(struct repository *r, strbuf_addf(&sb, "%s: fast-forward", action_name(opts)); - transaction = ref_transaction_begin(&err); + transaction = ref_store_transaction_begin(get_main_ref_store(the_repository), + &err); if (!transaction || ref_transaction_update(transaction, "HEAD", to, unborn && !is_rebase_i(opts) ? - null_oid() : from, + null_oid() : from, NULL, NULL, 0, sb.buf, &err) || ref_transaction_commit(transaction, &err)) { ref_transaction_free(transaction); @@ -643,15 +725,16 @@ void append_conflicts_hint(struct index_state *istate, if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) { strbuf_addch(msgbuf, '\n'); wt_status_append_cut_line(msgbuf); - strbuf_addch(msgbuf, comment_line_char); + strbuf_addstr(msgbuf, comment_line_str); } strbuf_addch(msgbuf, '\n'); - strbuf_commented_addf(msgbuf, "Conflicts:\n"); + strbuf_commented_addf(msgbuf, comment_line_str, "Conflicts:\n"); for (i = 0; i < istate->cache_nr;) { const struct cache_entry *ce = istate->cache[i++]; if (ce_stage(ce)) { - strbuf_commented_addf(msgbuf, "\t%s\n", ce->name); + strbuf_commented_addf(msgbuf, comment_line_str, + "\t%s\n", ce->name); while (i < istate->cache_nr && !strcmp(ce->name, istate->cache[i]->name)) i++; @@ -686,11 +769,13 @@ static int do_recursive_merge(struct repository *r, o.show_rename_progress = 1; head_tree = parse_tree_indirect(head); - next_tree = next ? get_commit_tree(next) : empty_tree(r); - base_tree = base ? get_commit_tree(base) : empty_tree(r); + if (!head_tree) + return error(_("unable to read tree (%s)"), oid_to_hex(head)); + next_tree = next ? repo_get_commit_tree(r, next) : empty_tree(r); + base_tree = base ? repo_get_commit_tree(r, base) : empty_tree(r); - for (i = 0; i < opts->xopts_nr; i++) - parse_merge_opt(&o, opts->xopts[i]); + for (i = 0; i < opts->xopts.nr; i++) + parse_merge_opt(&o, opts->xopts.v[i]); if (!opts->strategy || !strcmp(opts->strategy, "ort")) { memset(&result, 0, sizeof(result)); @@ -749,29 +834,43 @@ static struct object_id *get_cache_tree_oid(struct index_state *istate) static int is_index_unchanged(struct repository *r) { struct object_id head_oid, *cache_tree_oid; + const struct object_id *head_tree_oid; struct commit *head_commit; struct index_state *istate = r->index; + const char *head_name; + + if (!refs_resolve_ref_unsafe(get_main_ref_store(the_repository), "HEAD", RESOLVE_REF_READING, &head_oid, NULL)) { + /* Check to see if this is an unborn branch */ + head_name = refs_resolve_ref_unsafe(get_main_ref_store(the_repository), + "HEAD", + RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE, + &head_oid, NULL); + if (!head_name || + !starts_with(head_name, "refs/heads/") || + !is_null_oid(&head_oid)) + return error(_("could not resolve HEAD commit")); + head_tree_oid = the_hash_algo->empty_tree; + } else { + head_commit = lookup_commit(r, &head_oid); - if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL)) - return error(_("could not resolve HEAD commit")); - - head_commit = lookup_commit(r, &head_oid); + /* + * If head_commit is NULL, check_commit, called from + * lookup_commit, would have indicated that head_commit is not + * a commit object already. repo_parse_commit() will return failure + * without further complaints in such a case. Otherwise, if + * the commit is invalid, repo_parse_commit() will complain. So + * there is nothing for us to say here. Just return failure. + */ + if (repo_parse_commit(r, head_commit)) + return -1; - /* - * If head_commit is NULL, check_commit, called from - * lookup_commit, would have indicated that head_commit is not - * a commit object already. parse_commit() will return failure - * without further complaints in such a case. Otherwise, if - * the commit is invalid, parse_commit() will complain. So - * there is nothing for us to say here. Just return failure. - */ - if (parse_commit(head_commit)) - return -1; + head_tree_oid = get_commit_tree_oid(head_commit); + } if (!(cache_tree_oid = get_cache_tree_oid(istate))) return -1; - return oideq(cache_tree_oid, get_commit_tree_oid(head_commit)); + return oideq(cache_tree_oid, head_tree_oid); } static int write_author_script(const char *message) @@ -1033,6 +1132,7 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts, unsigned int flags) { + struct replay_ctx *ctx = opts->ctx; struct child_process cmd = CHILD_PROCESS_INIT; if ((flags & CLEANUP_MSG) && (flags & VERBATIM_MSG)) @@ -1050,6 +1150,8 @@ static int run_git_commit(const char *defmsg, gpg_opt, gpg_opt); } + strvec_pushf(&cmd.env, GIT_REFLOG_ACTION "=%s", ctx->reflog_message); + if (opts->committer_date_is_author_date) strvec_pushf(&cmd.env, "GIT_COMMITTER_DATE=%s", opts->ignore_date ? @@ -1128,7 +1230,8 @@ void cleanup_message(struct strbuf *msgbuf, cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) strbuf_setlen(msgbuf, wt_status_locate_end(msgbuf->buf, msgbuf->len)); if (cleanup_mode != COMMIT_MSG_CLEANUP_NONE) - strbuf_stripspace(msgbuf, cleanup_mode == COMMIT_MSG_CLEANUP_ALL); + strbuf_stripspace(msgbuf, + cleanup_mode == COMMIT_MSG_CLEANUP_ALL ? comment_line_str : NULL); } /* @@ -1159,7 +1262,8 @@ int template_untouched(const struct strbuf *sb, const char *template_file, if (!template_file || strbuf_read_file(&tmpl, template_file, 0) <= 0) return 0; - strbuf_stripspace(&tmpl, cleanup_mode == COMMIT_MSG_CLEANUP_ALL); + strbuf_stripspace(&tmpl, + cleanup_mode == COMMIT_MSG_CLEANUP_ALL ? comment_line_str : NULL); if (!skip_prefix(sb->buf, tmpl.buf, &start)) start = sb->buf; strbuf_release(&tmpl); @@ -1189,11 +1293,12 @@ int update_head_with_reflog(const struct commit *old_head, strbuf_addch(&sb, '\n'); } - transaction = ref_transaction_begin(err); + transaction = ref_store_transaction_begin(get_main_ref_store(the_repository), + err); if (!transaction || ref_transaction_update(transaction, "HEAD", new_head, old_head ? &old_head->object.oid : null_oid(), - 0, sb.buf, err) || + NULL, NULL, 0, sb.buf, err) || ref_transaction_commit(transaction, err)) { ret = -1; } @@ -1328,13 +1433,15 @@ void print_commit_summary(struct repository *r, commit = lookup_commit(r, oid); if (!commit) die(_("couldn't look up newly created commit")); - if (parse_commit(commit)) + if (repo_parse_commit(r, commit)) die(_("could not parse newly created commit")); strbuf_addstr(&format, "format:%h] %s"); - format_commit_message(commit, "%an <%ae>", &author_ident, &pctx); - format_commit_message(commit, "%cn <%ce>", &committer_ident, &pctx); + repo_format_commit_message(r, commit, "%an <%ae>", &author_ident, + &pctx); + repo_format_commit_message(r, commit, "%cn <%ce>", &committer_ident, + &pctx); if (strbuf_cmp(&author_ident, &committer_ident)) { strbuf_addstr(&format, "\n Author: "); strbuf_addbuf_percentquote(&format, &author_ident); @@ -1342,7 +1449,7 @@ void print_commit_summary(struct repository *r, if (flags & SUMMARY_SHOW_AUTHOR_DATE) { struct strbuf date = STRBUF_INIT; - format_commit_message(commit, "%ad", &date, &pctx); + repo_format_commit_message(r, commit, "%ad", &date, &pctx); strbuf_addstr(&format, "\n Date: "); strbuf_addbuf_percentquote(&format, &date); strbuf_release(&date); @@ -1372,7 +1479,7 @@ void print_commit_summary(struct repository *r, rev.diffopt.detect_rename = DIFF_DETECT_RENAME; diff_setup_done(&rev.diffopt); - refs = get_main_ref_store(the_repository); + refs = get_main_ref_store(r); head = refs_resolve_ref_unsafe(refs, "HEAD", 0, NULL, NULL); if (!head) die(_("unable to resolve HEAD after creating commit")); @@ -1398,7 +1505,7 @@ static int parse_head(struct repository *r, struct commit **head) struct commit *current_head; struct object_id oid; - if (get_oid("HEAD", &oid)) { + if (repo_get_oid(r, "HEAD", &oid)) { current_head = NULL; } else { current_head = lookup_commit_reference(r, &oid); @@ -1408,7 +1515,7 @@ static int parse_head(struct repository *r, struct commit **head) warning(_("HEAD %s is not a commit!"), oid_to_hex(&oid)); } - if (parse_commit(current_head)) + if (repo_parse_commit(r, current_head)) return error(_("could not parse HEAD commit")); } *head = current_head; @@ -1430,6 +1537,7 @@ static int try_to_commit(struct repository *r, struct replay_opts *opts, unsigned int flags, struct object_id *oid) { + struct replay_ctx *ctx = opts->ctx; struct object_id tree; struct commit *current_head = NULL; struct commit_list *parents = NULL; @@ -1451,8 +1559,8 @@ static int try_to_commit(struct repository *r, if (flags & AMEND_MSG) { const char *exclude_gpgsig[] = { "gpgsig", "gpgsig-sha256", NULL }; const char *out_enc = get_commit_output_encoding(); - const char *message = logmsg_reencode(current_head, NULL, - out_enc); + const char *message = repo_logmsg_reencode(r, current_head, + NULL, out_enc); if (!msg) { const char *orig_message = NULL; @@ -1463,7 +1571,8 @@ static int try_to_commit(struct repository *r, hook_commit = "HEAD"; } author = amend_author = get_author(message); - unuse_commit_buffer(current_head, message); + repo_unuse_commit_buffer(r, current_head, + message); if (!author) { res = error(_("unable to parse commit author")); goto out; @@ -1528,7 +1637,8 @@ static int try_to_commit(struct repository *r, cleanup = opts->default_msg_cleanup; if (cleanup != COMMIT_MSG_CLEANUP_NONE) - strbuf_stripspace(msg, cleanup == COMMIT_MSG_CLEANUP_ALL); + strbuf_stripspace(msg, + cleanup == COMMIT_MSG_CLEANUP_ALL ? comment_line_str : NULL); if ((flags & EDIT_MSG) && message_is_empty(msg, cleanup)) { res = 1; /* run 'git commit' to display error message */ goto out; @@ -1589,8 +1699,8 @@ static int try_to_commit(struct repository *r, goto out; } - if (update_head_with_reflog(current_head, oid, - getenv("GIT_REFLOG_ACTION"), msg, &err)) { + if (update_head_with_reflog(current_head, oid, ctx->reflog_message, + msg, &err)) { res = error("%s", err.buf); goto out; } @@ -1610,8 +1720,8 @@ out: static int write_rebase_head(struct object_id *oid) { - if (update_ref("rebase", "REBASE_HEAD", oid, - NULL, REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) + if (refs_update_ref(get_main_ref_store(the_repository), "rebase", "REBASE_HEAD", oid, + NULL, REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) return error(_("could not update %s"), "REBASE_HEAD"); return 0; @@ -1638,7 +1748,7 @@ static int do_commit(struct repository *r, strbuf_release(&sb); if (!res) { refs_delete_ref(get_main_ref_store(r), "", - "CHERRY_PICK_HEAD", NULL, 0); + "CHERRY_PICK_HEAD", NULL, REF_NO_DEREF); unlink(git_path_merge_msg(r)); if (!is_rebase_i(opts)) print_commit_summary(r, NULL, &oid, @@ -1660,12 +1770,12 @@ static int is_original_commit_empty(struct commit *commit) { const struct object_id *ptree_oid; - if (parse_commit(commit)) + if (repo_parse_commit(the_repository, commit)) return error(_("could not parse commit %s"), oid_to_hex(&commit->object.oid)); if (commit->parents) { struct commit *parent = commit->parents->item; - if (parse_commit(parent)) + if (repo_parse_commit(the_repository, parent)) return error(_("could not parse parent commit %s"), oid_to_hex(&parent->object.oid)); ptree_oid = get_commit_tree_oid(parent); @@ -1690,34 +1800,25 @@ static int allow_empty(struct repository *r, int index_unchanged, originally_empty; /* - * Four cases: - * - * (1) we do not allow empty at all and error out. - * - * (2) we allow ones that were initially empty, and - * just drop the ones that become empty - * - * (3) we allow ones that were initially empty, but - * halt for the ones that become empty; + * For a commit that is initially empty, allow_empty determines if it + * should be kept or not * - * (4) we allow both. + * For a commit that becomes empty, keep_redundant_commits and + * drop_redundant_commits determine whether the commit should be kept or + * dropped. If neither is specified, halt. */ - if (!opts->allow_empty) - return 0; /* let "git commit" barf as necessary */ - index_unchanged = is_index_unchanged(r); if (index_unchanged < 0) return index_unchanged; if (!index_unchanged) return 0; /* we do not have to say --allow-empty */ - if (opts->keep_redundant_commits) - return 1; - originally_empty = is_original_commit_empty(commit); if (originally_empty < 0) return originally_empty; if (originally_empty) + return opts->allow_empty; + else if (opts->keep_redundant_commits) return 1; else if (opts->drop_redundant_commits) return 2; @@ -1750,6 +1851,8 @@ static const char *command_to_string(const enum todo_command command) { if (command < TODO_COMMENT) return todo_command_info[command].str; + if (command == TODO_COMMENT) + return comment_line_str; die(_("unknown command: %d"), command); } @@ -1757,7 +1860,7 @@ static char command_to_char(const enum todo_command command) { if (command < TODO_COMMENT) return todo_command_info[command].c; - return comment_line_char; + return 0; } static int is_noop(const enum todo_command command) @@ -1811,7 +1914,7 @@ static int is_fixup_flag(enum todo_command command, unsigned flag) static void add_commented_lines(struct strbuf *buf, const void *str, size_t len) { const char *s = str; - while (len > 0 && s[0] == comment_line_char) { + while (starts_with_mem(s, len, comment_line_str)) { size_t count; const char *n = memchr(s, '\n', len); if (!n) @@ -1822,14 +1925,14 @@ static void add_commented_lines(struct strbuf *buf, const void *str, size_t len) s += count; len -= count; } - strbuf_add_commented_lines(buf, s, len); + strbuf_add_commented_lines(buf, s, len, comment_line_str); } /* Does the current fixup chain contain a squash command? */ -static int seen_squash(struct replay_opts *opts) +static int seen_squash(struct replay_ctx *ctx) { - return starts_with(opts->current_fixups.buf, "squash") || - strstr(opts->current_fixups.buf, "\nsquash"); + return starts_with(ctx->current_fixups.buf, "squash") || + strstr(ctx->current_fixups.buf, "\nsquash"); } static void update_comment_bufs(struct strbuf *buf1, struct strbuf *buf2, int n) @@ -1905,6 +2008,7 @@ static int append_squash_message(struct strbuf *buf, const char *body, enum todo_command command, struct replay_opts *opts, unsigned flag) { + struct replay_ctx *ctx = opts->ctx; const char *fixup_msg; size_t commented_len = 0, fixup_off; /* @@ -1913,21 +2017,21 @@ static int append_squash_message(struct strbuf *buf, const char *body, * squashing commit messages. */ if (starts_with(body, "amend!") || - ((command == TODO_SQUASH || seen_squash(opts)) && + ((command == TODO_SQUASH || seen_squash(ctx)) && (starts_with(body, "squash!") || starts_with(body, "fixup!")))) commented_len = commit_subject_length(body); - strbuf_addf(buf, "\n%c ", comment_line_char); + strbuf_addf(buf, "\n%s ", comment_line_str); strbuf_addf(buf, _(nth_commit_msg_fmt), - ++opts->current_fixup_count + 1); + ++ctx->current_fixup_count + 1); strbuf_addstr(buf, "\n\n"); - strbuf_add_commented_lines(buf, body, commented_len); + strbuf_add_commented_lines(buf, body, commented_len, comment_line_str); /* buf->buf may be reallocated so store an offset into the buffer */ fixup_off = buf->len; strbuf_addstr(buf, body + commented_len); /* fixup -C after squash behaves like squash */ - if (is_fixup_flag(command, flag) && !seen_squash(opts)) { + if (is_fixup_flag(command, flag) && !seen_squash(ctx)) { /* * We're replacing the commit message so we need to * append the Signed-off-by: trailer if the user @@ -1961,12 +2065,13 @@ static int update_squash_messages(struct repository *r, struct replay_opts *opts, unsigned flag) { + struct replay_ctx *ctx = opts->ctx; struct strbuf buf = STRBUF_INIT; int res = 0; const char *message, *body; const char *encoding = get_commit_output_encoding(); - if (opts->current_fixup_count > 0) { + if (ctx->current_fixup_count > 0) { struct strbuf header = STRBUF_INIT; char *eol; @@ -1974,50 +2079,52 @@ static int update_squash_messages(struct repository *r, return error(_("could not read '%s'"), rebase_path_squash_msg()); - eol = buf.buf[0] != comment_line_char ? + eol = !starts_with(buf.buf, comment_line_str) ? buf.buf : strchrnul(buf.buf, '\n'); - strbuf_addf(&header, "%c ", comment_line_char); + strbuf_addf(&header, "%s ", comment_line_str); strbuf_addf(&header, _(combined_commit_msg_fmt), - opts->current_fixup_count + 2); + ctx->current_fixup_count + 2); strbuf_splice(&buf, 0, eol - buf.buf, header.buf, header.len); strbuf_release(&header); - if (is_fixup_flag(command, flag) && !seen_squash(opts)) + if (is_fixup_flag(command, flag) && !seen_squash(ctx)) update_squash_message_for_fixup(&buf); } else { struct object_id head; struct commit *head_commit; const char *head_message, *body; - if (get_oid("HEAD", &head)) + if (repo_get_oid(r, "HEAD", &head)) return error(_("need a HEAD to fixup")); if (!(head_commit = lookup_commit_reference(r, &head))) return error(_("could not read HEAD")); - if (!(head_message = logmsg_reencode(head_commit, NULL, encoding))) + if (!(head_message = repo_logmsg_reencode(r, head_commit, NULL, + encoding))) return error(_("could not read HEAD's commit message")); find_commit_subject(head_message, &body); if (command == TODO_FIXUP && !flag && write_message(body, strlen(body), rebase_path_fixup_msg(), 0) < 0) { - unuse_commit_buffer(head_commit, head_message); + repo_unuse_commit_buffer(r, head_commit, head_message); return error(_("cannot write '%s'"), rebase_path_fixup_msg()); } - strbuf_addf(&buf, "%c ", comment_line_char); + strbuf_addf(&buf, "%s ", comment_line_str); strbuf_addf(&buf, _(combined_commit_msg_fmt), 2); - strbuf_addf(&buf, "\n%c ", comment_line_char); + strbuf_addf(&buf, "\n%s ", comment_line_str); strbuf_addstr(&buf, is_fixup_flag(command, flag) ? _(skip_first_commit_msg_str) : _(first_commit_msg_str)); strbuf_addstr(&buf, "\n\n"); if (is_fixup_flag(command, flag)) - strbuf_add_commented_lines(&buf, body, strlen(body)); + strbuf_add_commented_lines(&buf, body, strlen(body), + comment_line_str); else strbuf_addstr(&buf, body); - unuse_commit_buffer(head_commit, head_message); + repo_unuse_commit_buffer(r, head_commit, head_message); } - if (!(message = logmsg_reencode(commit, NULL, encoding))) + if (!(message = repo_logmsg_reencode(r, commit, NULL, encoding))) return error(_("could not read commit message of %s"), oid_to_hex(&commit->object.oid)); find_commit_subject(message, &body); @@ -2025,14 +2132,15 @@ static int update_squash_messages(struct repository *r, if (command == TODO_SQUASH || is_fixup_flag(command, flag)) { res = append_squash_message(&buf, body, command, opts, flag); } else if (command == TODO_FIXUP) { - strbuf_addf(&buf, "\n%c ", comment_line_char); + strbuf_addf(&buf, "\n%s ", comment_line_str); strbuf_addf(&buf, _(skip_nth_commit_msg_fmt), - ++opts->current_fixup_count + 1); + ++ctx->current_fixup_count + 1); strbuf_addstr(&buf, "\n\n"); - strbuf_add_commented_lines(&buf, body, strlen(body)); + strbuf_add_commented_lines(&buf, body, strlen(body), + comment_line_str); } else return error(_("unknown command: %d"), command); - unuse_commit_buffer(commit, message); + repo_unuse_commit_buffer(r, commit, message); if (!res) res = write_message(buf.buf, buf.len, rebase_path_squash_msg(), @@ -2040,12 +2148,12 @@ static int update_squash_messages(struct repository *r, strbuf_release(&buf); if (!res) { - strbuf_addf(&opts->current_fixups, "%s%s %s", - opts->current_fixups.len ? "\n" : "", + strbuf_addf(&ctx->current_fixups, "%s%s %s", + ctx->current_fixups.len ? "\n" : "", command_to_string(command), oid_to_hex(&commit->object.oid)); - res = write_message(opts->current_fixups.buf, - opts->current_fixups.len, + res = write_message(ctx->current_fixups.buf, + ctx->current_fixups.len, rebase_path_current_fixups(), 0); } @@ -2059,7 +2167,7 @@ static void flush_rewritten_pending(void) FILE *out; if (strbuf_read_file(&buf, rebase_path_rewritten_pending(), (GIT_MAX_HEXSZ + 1) * 2) > 0 && - !get_oid("HEAD", &newoid) && + !repo_get_oid(the_repository, "HEAD", &newoid) && (out = fopen_or_warn(rebase_path_rewritten_list(), "a"))) { char *bol = buf.buf, *eol; @@ -2111,7 +2219,8 @@ static void refer_to_commit(struct replay_opts *opts, .abbrev = DEFAULT_ABBREV, .date_mode.type = DATE_SHORT, }; - format_commit_message(commit, "%h (%s, %ad)", msgbuf, &ctx); + repo_format_commit_message(the_repository, commit, + "%h (%s, %ad)", msgbuf, &ctx); } else { strbuf_addstr(msgbuf, oid_to_hex(&commit->object.oid)); } @@ -2122,6 +2231,7 @@ static int do_pick_commit(struct repository *r, struct replay_opts *opts, int final_fixup, int *check_todo) { + struct replay_ctx *ctx = opts->ctx; unsigned int flags = should_edit(opts) ? EDIT_MSG : 0; const char *msg_file = should_edit(opts) ? NULL : git_path_merge_msg(r); struct object_id head; @@ -2129,7 +2239,6 @@ static int do_pick_commit(struct repository *r, const char *base_label, *next_label; char *author = NULL; struct commit_message msg = { NULL, NULL, NULL, NULL }; - struct strbuf msgbuf = STRBUF_INIT; int res, unborn = 0, reword = 0, allow, drop_commit; enum todo_command command = item->command; struct commit *commit = item->commit; @@ -2144,7 +2253,7 @@ static int do_pick_commit(struct repository *r, if (write_index_as_tree(&head, r->index, r->index_file, 0, NULL)) return error(_("your index file is unmerged.")); } else { - unborn = get_oid("HEAD", &head); + unborn = repo_get_oid(r, "HEAD", &head); /* Do we want to generate a root commit? */ if (is_pick_or_similar(command) && opts->have_squash_onto && oideq(&head, &opts->squash_onto)) { @@ -2206,7 +2315,7 @@ static int do_pick_commit(struct repository *r, msg_file = NULL; goto fast_forward_edit; } - if (parent && parse_commit(parent) < 0) + if (parent && repo_parse_commit(r, parent) < 0) /* TRANSLATORS: The first %s will be a "todo" command like "revert" or "pick", the second %s a SHA1. */ return error(_("%s: cannot parse parent commit %s"), @@ -2221,26 +2330,37 @@ static int do_pick_commit(struct repository *r, */ if (command == TODO_REVERT) { + const char *orig_subject; + base = commit; base_label = msg.label; next = parent; next_label = msg.parent_label; if (opts->commit_use_reference) { - strbuf_addstr(&msgbuf, + strbuf_addstr(&ctx->message, "# *** SAY WHY WE ARE REVERTING ON THE TITLE LINE ***"); + } else if (skip_prefix(msg.subject, "Revert \"", &orig_subject) && + /* + * We don't touch pre-existing repeated reverts, because + * theoretically these can be nested arbitrarily deeply, + * thus requiring excessive complexity to deal with. + */ + !starts_with(orig_subject, "Revert \"")) { + strbuf_addstr(&ctx->message, "Reapply \""); + strbuf_addstr(&ctx->message, orig_subject); } else { - strbuf_addstr(&msgbuf, "Revert \""); - strbuf_addstr(&msgbuf, msg.subject); - strbuf_addstr(&msgbuf, "\""); + strbuf_addstr(&ctx->message, "Revert \""); + strbuf_addstr(&ctx->message, msg.subject); + strbuf_addstr(&ctx->message, "\""); } - strbuf_addstr(&msgbuf, "\n\nThis reverts commit "); - refer_to_commit(opts, &msgbuf, commit); + strbuf_addstr(&ctx->message, "\n\nThis reverts commit "); + refer_to_commit(opts, &ctx->message, commit); if (commit->parents && commit->parents->next) { - strbuf_addstr(&msgbuf, ", reversing\nchanges made to "); - refer_to_commit(opts, &msgbuf, parent); + strbuf_addstr(&ctx->message, ", reversing\nchanges made to "); + refer_to_commit(opts, &ctx->message, parent); } - strbuf_addstr(&msgbuf, ".\n"); + strbuf_addstr(&ctx->message, ".\n"); } else { const char *p; @@ -2249,28 +2369,31 @@ static int do_pick_commit(struct repository *r, next = commit; next_label = msg.label; - /* Append the commit log message to msgbuf. */ + /* Append the commit log message to ctx->message. */ if (find_commit_subject(msg.message, &p)) - strbuf_addstr(&msgbuf, p); + strbuf_addstr(&ctx->message, 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); - strbuf_addstr(&msgbuf, oid_to_hex(&commit->object.oid)); - strbuf_addstr(&msgbuf, ")\n"); + strbuf_complete_line(&ctx->message); + if (!has_conforming_footer(&ctx->message, NULL, 0)) + strbuf_addch(&ctx->message, '\n'); + strbuf_addstr(&ctx->message, cherry_picked_prefix); + strbuf_addstr(&ctx->message, oid_to_hex(&commit->object.oid)); + strbuf_addstr(&ctx->message, ")\n"); } if (!is_fixup(command)) author = get_author(msg.message); } + ctx->have_message = 1; if (command == TODO_REWORD) reword = 1; else if (is_fixup(command)) { if (update_squash_messages(r, command, commit, - opts, item->flags)) - return -1; + opts, item->flags)) { + res = -1; + goto leave; + } flags |= AMEND_MSG; if (!final_fixup) msg_file = rebase_path_squash_msg(); @@ -2280,9 +2403,11 @@ static int do_pick_commit(struct repository *r, } else { const char *dest = git_path_squash_msg(r); unlink(dest); - if (copy_file(dest, rebase_path_squash_msg(), 0666)) - return error(_("could not rename '%s' to '%s'"), - rebase_path_squash_msg(), dest); + if (copy_file(dest, rebase_path_squash_msg(), 0666)) { + res = error(_("could not copy '%s' to '%s'"), + rebase_path_squash_msg(), dest); + goto leave; + } unlink(git_path_merge_msg(r)); msg_file = dest; flags |= EDIT_MSG; @@ -2290,7 +2415,7 @@ static int do_pick_commit(struct repository *r, } if (opts->signoff && !is_fixup(command)) - append_signoff(&msgbuf, 0, 0); + append_signoff(&ctx->message, 0, 0); if (is_rebase_i(opts) && write_author_script(msg.message) < 0) res = -1; @@ -2299,28 +2424,27 @@ static int do_pick_commit(struct repository *r, !strcmp(opts->strategy, "ort") || command == TODO_REVERT) { res = do_recursive_merge(r, base, next, base_label, next_label, - &head, &msgbuf, opts); + &head, &ctx->message, opts); if (res < 0) goto leave; - res |= write_message(msgbuf.buf, msgbuf.len, + res |= write_message(ctx->message.buf, ctx->message.len, git_path_merge_msg(r), 0); } else { struct commit_list *common = NULL; struct commit_list *remotes = NULL; - res = write_message(msgbuf.buf, msgbuf.len, + res = write_message(ctx->message.buf, ctx->message.len, git_path_merge_msg(r), 0); commit_list_insert(base, &common); commit_list_insert(next, &remotes); res |= try_merge_command(r, opts->strategy, - opts->xopts_nr, (const char **)opts->xopts, + opts->xopts.nr, opts->xopts.v, common, oid_to_hex(&head), remotes); free_commit_list(common); free_commit_list(remotes); } - strbuf_release(&msgbuf); /* * If the merge was clean or if it failed due to conflict, we write @@ -2331,19 +2455,19 @@ static int do_pick_commit(struct repository *r, if ((command == TODO_PICK || command == TODO_REWORD || command == TODO_EDIT) && !opts->no_commit && (res == 0 || res == 1) && - update_ref(NULL, "CHERRY_PICK_HEAD", &commit->object.oid, NULL, - REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) + refs_update_ref(get_main_ref_store(the_repository), NULL, "CHERRY_PICK_HEAD", &commit->object.oid, NULL, + REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) res = -1; if (command == TODO_REVERT && ((opts->no_commit && res == 0) || res == 1) && - update_ref(NULL, "REVERT_HEAD", &commit->object.oid, NULL, - REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) + refs_update_ref(get_main_ref_store(the_repository), NULL, "REVERT_HEAD", &commit->object.oid, NULL, + REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) res = -1; if (res) { error(command == TODO_REVERT ? _("could not revert %s... %s") : _("could not apply %s... %s"), - short_commit_name(commit), msg.subject); + short_commit_name(r, commit), msg.subject); print_advice(r, res == 1, opts); repo_rerere(r, opts->allow_rerere_auto); goto leave; @@ -2359,9 +2483,10 @@ static int do_pick_commit(struct repository *r, } else if (allow == 2) { drop_commit = 1; refs_delete_ref(get_main_ref_store(r), "", "CHERRY_PICK_HEAD", - NULL, 0); + NULL, REF_NO_DEREF); unlink(git_path_merge_msg(r)); - unlink(git_path_auto_merge(r)); + refs_delete_ref(get_main_ref_store(r), "", "AUTO_MERGE", + NULL, REF_NO_DEREF); fprintf(stderr, _("dropping %s %s -- patch contents already upstream\n"), oid_to_hex(&commit->object.oid), msg.subject); @@ -2387,8 +2512,8 @@ fast_forward_edit: unlink(rebase_path_fixup_msg()); unlink(rebase_path_squash_msg()); unlink(rebase_path_current_fixups()); - strbuf_reset(&opts->current_fixups); - opts->current_fixup_count = 0; + strbuf_reset(&ctx->current_fixups); + ctx->current_fixup_count = 0; } leave: @@ -2453,7 +2578,6 @@ void todo_list_release(struct todo_list *todo_list) static struct todo_item *append_new_todo(struct todo_list *todo_list) { ALLOC_GROW(todo_list->items, todo_list->nr + 1, todo_list->alloc); - todo_list->total_nr++; return todo_list->items + todo_list->nr++; } @@ -2467,12 +2591,39 @@ 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; + const char *p = *bol; + + return (skip_prefix(p, str, &p) || (nick && *p++ == nick)) && + (*p == ' ' || *p == '\t' || *p == '\n' || *p == '\r' || !*p) && + (*bol = p); +} + +static int check_label_or_ref_arg(enum todo_command command, const char *arg) +{ + switch (command) { + case TODO_LABEL: + /* + * '#' is not a valid label as the merge command uses it to + * separate merge parents from the commit subject. + */ + if (!strcmp(arg, "#") || + check_refname_format(arg, REFNAME_ALLOW_ONELEVEL)) + return error(_("'%s' is not a valid label"), arg); + break; + + case TODO_UPDATE_REF: + if (check_refname_format(arg, REFNAME_ALLOW_ONELEVEL)) + return error(_("'%s' is not a valid refname"), arg); + if (check_refname_format(arg, 0)) + return error(_("update-ref requires a fully qualified " + "refname e.g. refs/heads/%s"), arg); + break; + + default: + BUG("unexpected todo_command"); + } - return skip_prefix(*bol, str, bol) || - ((nick && **bol == nick) && - (*p == ' ' || *p == '\t' || *p == '\n' || *p == '\r' || !*p) && - (*bol = p)); + return 0; } static int parse_insn_line(struct repository *r, struct todo_item *item, @@ -2487,7 +2638,7 @@ static int parse_insn_line(struct repository *r, struct todo_item *item, /* left-trim */ bol += strspn(bol, " \t"); - if (bol == eol || *bol == '\r' || *bol == comment_line_char) { + if (bol == eol || *bol == '\r' || starts_with_mem(bol, eol - bol, comment_line_str)) { item->command = TODO_COMMENT; item->commit = NULL; item->arg_offset = bol - buf; @@ -2501,7 +2652,8 @@ static int parse_insn_line(struct repository *r, struct todo_item *item, break; } if (i >= TODO_COMMENT) - return -1; + return error(_("invalid command '%.*s'"), + (int)strcspn(bol, " \t\r\n"), bol); /* Eat up extra spaces/ tabs before object name */ padding = strspn(bol, " \t"); @@ -2523,19 +2675,26 @@ static int parse_insn_line(struct repository *r, struct todo_item *item, if (item->command == TODO_EXEC || item->command == TODO_LABEL || item->command == TODO_RESET || item->command == TODO_UPDATE_REF) { + int ret = 0; + item->commit = NULL; item->arg_offset = bol - buf; item->arg_len = (int)(eol - bol); - return 0; + if (item->command == TODO_LABEL || + item->command == TODO_UPDATE_REF) { + saved = *eol; + *eol = '\0'; + ret = check_label_or_ref_arg(item->command, bol); + *eol = saved; + } + return ret; } if (item->command == TODO_FIXUP) { - if (skip_prefix(bol, "-C", &bol) && - (*bol == ' ' || *bol == '\t')) { + if (skip_prefix(bol, "-C", &bol)) { bol += strspn(bol, " \t"); item->flags |= TODO_REPLACE_FIXUP_MSG; - } else if (skip_prefix(bol, "-c", &bol) && - (*bol == ' ' || *bol == '\t')) { + } else if (skip_prefix(bol, "-c", &bol)) { bol += strspn(bol, " \t"); item->flags |= TODO_EDIT_FIXUP_MSG; } @@ -2559,7 +2718,7 @@ static int parse_insn_line(struct repository *r, struct todo_item *item, end_of_object_name = (char *) bol + strcspn(bol, " \t\n"); saved = *end_of_object_name; *end_of_object_name = '\0'; - status = get_oid(bol, &commit_oid); + status = repo_get_oid(r, bol, &commit_oid); if (status < 0) error(_("could not parse '%s'"), bol); /* return later */ *end_of_object_name = saved; @@ -2575,7 +2734,7 @@ static int parse_insn_line(struct repository *r, struct todo_item *item, return item->commit ? 0 : -1; } -int sequencer_get_last_command(struct repository *r, enum replay_action *action) +int sequencer_get_last_command(struct repository *r UNUSED, enum replay_action *action) { const char *todo_file, *bol; struct strbuf buf = STRBUF_INIT; @@ -2609,7 +2768,7 @@ int todo_list_parse_insn_buffer(struct repository *r, char *buf, char *p = buf, *next_p; int i, res = 0, fixup_okay = file_exists(rebase_path_done()); - todo_list->current = todo_list->nr = 0; + todo_list->current = todo_list->nr = todo_list->total_nr = 0; for (i = 1; *p; i++, p = next_p) { char *eol = strchrnul(p, '\n'); @@ -2630,10 +2789,13 @@ int todo_list_parse_insn_buffer(struct repository *r, char *buf, item->commit = NULL; } + if (item->command != TODO_COMMENT) + todo_list->total_nr++; + if (fixup_okay) ; /* do nothing */ else if (is_fixup(item->command)) - return error(_("cannot '%s' without a previous commit"), + res = error(_("cannot '%s' without a previous commit"), command_to_string(item->command)); else if (!is_noop(item->command)) fixup_okay = 1; @@ -2717,7 +2879,7 @@ void sequencer_post_commit_cleanup(struct repository *r, int verbose) if (refs_ref_exists(get_main_ref_store(r), "CHERRY_PICK_HEAD")) { if (!refs_delete_ref(get_main_ref_store(r), "", - "CHERRY_PICK_HEAD", NULL, 0) && + "CHERRY_PICK_HEAD", NULL, REF_NO_DEREF) && verbose) warning(_("cancelling a cherry picking in progress")); opts.action = REPLAY_PICK; @@ -2726,22 +2888,25 @@ void sequencer_post_commit_cleanup(struct repository *r, int verbose) if (refs_ref_exists(get_main_ref_store(r), "REVERT_HEAD")) { if (!refs_delete_ref(get_main_ref_store(r), "", "REVERT_HEAD", - NULL, 0) && + NULL, REF_NO_DEREF) && verbose) warning(_("cancelling a revert in progress")); opts.action = REPLAY_REVERT; need_cleanup = 1; } - unlink(git_path_auto_merge(r)); + refs_delete_ref(get_main_ref_store(r), "", "AUTO_MERGE", + NULL, REF_NO_DEREF); if (!need_cleanup) - return; + goto out; if (!have_finished_the_last_pick()) - return; + goto out; sequencer_remove_state(&opts); +out: + replay_opts_release(&opts); } static void todo_list_write_total_nr(struct todo_list *todo_list) @@ -2820,7 +2985,9 @@ static int git_config_string_dup(char **dest, return 0; } -static int populate_opts_cb(const char *key, const char *value, void *data) +static int populate_opts_cb(const char *key, const char *value, + const struct config_context *ctx, + void *data) { struct replay_opts *opts = data; int error_flag = 1; @@ -2828,36 +2995,38 @@ static int populate_opts_cb(const char *key, const char *value, void *data) if (!value) error_flag = 0; else if (!strcmp(key, "options.no-commit")) - opts->no_commit = git_config_bool_or_int(key, value, &error_flag); + opts->no_commit = git_config_bool_or_int(key, value, ctx->kvi, &error_flag); else if (!strcmp(key, "options.edit")) - opts->edit = git_config_bool_or_int(key, value, &error_flag); + opts->edit = git_config_bool_or_int(key, value, ctx->kvi, &error_flag); else if (!strcmp(key, "options.allow-empty")) opts->allow_empty = - git_config_bool_or_int(key, value, &error_flag); + git_config_bool_or_int(key, value, ctx->kvi, &error_flag); else if (!strcmp(key, "options.allow-empty-message")) opts->allow_empty_message = - git_config_bool_or_int(key, value, &error_flag); + git_config_bool_or_int(key, value, ctx->kvi, &error_flag); + else if (!strcmp(key, "options.drop-redundant-commits")) + opts->drop_redundant_commits = + git_config_bool_or_int(key, value, ctx->kvi, &error_flag); else if (!strcmp(key, "options.keep-redundant-commits")) opts->keep_redundant_commits = - git_config_bool_or_int(key, value, &error_flag); + git_config_bool_or_int(key, value, ctx->kvi, &error_flag); else if (!strcmp(key, "options.signoff")) - opts->signoff = git_config_bool_or_int(key, value, &error_flag); + opts->signoff = git_config_bool_or_int(key, value, ctx->kvi, &error_flag); else if (!strcmp(key, "options.record-origin")) - opts->record_origin = git_config_bool_or_int(key, value, &error_flag); + opts->record_origin = git_config_bool_or_int(key, value, ctx->kvi, &error_flag); else if (!strcmp(key, "options.allow-ff")) - opts->allow_ff = git_config_bool_or_int(key, value, &error_flag); + opts->allow_ff = git_config_bool_or_int(key, value, ctx->kvi, &error_flag); else if (!strcmp(key, "options.mainline")) - opts->mainline = git_config_int(key, value); + opts->mainline = git_config_int(key, value, ctx->kvi); else if (!strcmp(key, "options.strategy")) git_config_string_dup(&opts->strategy, key, value); else if (!strcmp(key, "options.gpg-sign")) git_config_string_dup(&opts->gpg_sign, key, value); else if (!strcmp(key, "options.strategy-option")) { - ALLOC_GROW(opts->xopts, opts->xopts_nr + 1, opts->xopts_alloc); - opts->xopts[opts->xopts_nr++] = xstrdup(value); + strvec_push(&opts->xopts, value); } else if (!strcmp(key, "options.allow-rerere-auto")) opts->allow_rerere_auto = - git_config_bool_or_int(key, value, &error_flag) ? + git_config_bool_or_int(key, value, ctx->kvi, &error_flag) ? RERERE_AUTOUPDATE : RERERE_NOAUTOUPDATE; else if (!strcmp(key, "options.default-msg-cleanup")) { opts->explicit_cleanup = 1; @@ -2871,22 +3040,27 @@ static int populate_opts_cb(const char *key, const char *value, void *data) return 0; } -void parse_strategy_opts(struct replay_opts *opts, char *raw_opts) +static void parse_strategy_opts(struct replay_opts *opts, char *raw_opts) { int i; + int count; + const char **argv; char *strategy_opts_string = raw_opts; if (*strategy_opts_string == ' ') strategy_opts_string++; - opts->xopts_nr = split_cmdline(strategy_opts_string, - (const char ***)&opts->xopts); - for (i = 0; i < opts->xopts_nr; i++) { - const char *arg = opts->xopts[i]; + count = split_cmdline(strategy_opts_string, &argv); + if (count < 0) + BUG("could not split '%s': %s", strategy_opts_string, + split_cmdline_strerror(count)); + for (i = 0; i < count; i++) { + const char *arg = argv[i]; skip_prefix(arg, "--", &arg); - opts->xopts[i] = xstrdup(arg); + strvec_push(&opts->xopts, arg); } + free(argv); } static void read_strategy_opts(struct replay_opts *opts, struct strbuf *buf) @@ -2903,6 +3077,8 @@ static void read_strategy_opts(struct replay_opts *opts, struct strbuf *buf) static int read_populate_opts(struct replay_opts *opts) { + struct replay_ctx *ctx = opts->ctx; + if (is_rebase_i(opts)) { struct strbuf buf = STRBUF_INIT; int ret = 0; @@ -2962,19 +3138,19 @@ static int read_populate_opts(struct replay_opts *opts) read_strategy_opts(opts, &buf); strbuf_reset(&buf); - if (read_oneliner(&opts->current_fixups, + if (read_oneliner(&ctx->current_fixups, rebase_path_current_fixups(), READ_ONELINER_SKIP_IF_EMPTY)) { - const char *p = opts->current_fixups.buf; - opts->current_fixup_count = 1; + const char *p = ctx->current_fixups.buf; + ctx->current_fixup_count = 1; while ((p = strchr(p, '\n'))) { - opts->current_fixup_count++; + ctx->current_fixup_count++; p++; } } if (read_oneliner(&buf, rebase_path_squash_onto(), 0)) { - if (get_oid_committish(buf.buf, &opts->squash_onto) < 0) { + if (repo_get_oid_committish(the_repository, buf.buf, &opts->squash_onto) < 0) { ret = error(_("unusable squash-onto")); goto done_rebase_i; } @@ -3002,12 +3178,13 @@ done_rebase_i: static void write_strategy_opts(struct replay_opts *opts) { - int i; struct strbuf buf = STRBUF_INIT; - for (i = 0; i < opts->xopts_nr; ++i) - strbuf_addf(&buf, " --%s", opts->xopts[i]); - + /* + * Quote strategy options so that they can be read correctly + * by split_cmdline(). + */ + quote_cmdline(&buf, opts->xopts.v); write_file(rebase_path_strategy_opts(), "%s\n", buf.buf); strbuf_release(&buf); } @@ -3030,7 +3207,7 @@ int write_basic_state(struct replay_opts *opts, const char *head_name, write_file(rebase_path_verbose(), "%s", ""); if (opts->strategy) write_file(rebase_path_strategy(), "%s\n", opts->strategy); - if (opts->xopts_nr > 0) + if (opts->xopts.nr > 0) write_strategy_opts(opts); if (opts->allow_rerere_auto == RERERE_AUTOUPDATE) @@ -3074,7 +3251,9 @@ static int walk_revs_populate_todo(struct todo_list *todo_list, while ((commit = get_revision(opts->revs))) { struct todo_item *item = append_new_todo(todo_list); - const char *commit_buffer = logmsg_reencode(commit, NULL, encoding); + const char *commit_buffer = repo_logmsg_reencode(the_repository, + commit, NULL, + encoding); const char *subject; int subject_len; @@ -3085,8 +3264,10 @@ static int walk_revs_populate_todo(struct todo_list *todo_list, item->offset_in_buf = todo_list->buf.len; subject_len = find_commit_subject(commit_buffer, &subject); strbuf_addf(&todo_list->buf, "%s %s %.*s\n", command_string, - short_commit_name(commit), subject_len, subject); - unuse_commit_buffer(commit, commit_buffer); + short_commit_name(the_repository, commit), + subject_len, subject); + repo_unuse_commit_buffer(the_repository, commit, + commit_buffer); } if (!todo_list->nr) @@ -3136,25 +3317,7 @@ static int create_seq_dir(struct repository *r) static int save_head(const char *head) { - struct lock_file head_lock = LOCK_INIT; - struct strbuf buf = STRBUF_INIT; - int fd; - ssize_t written; - - fd = hold_lock_file_for_update(&head_lock, git_path_head_file(), 0); - if (fd < 0) - return error_errno(_("could not lock HEAD")); - strbuf_addf(&buf, "%s\n", head); - written = write_in_full(fd, buf.buf, buf.len); - strbuf_release(&buf); - if (written < 0) { - error_errno(_("could not write to '%s'"), git_path_head_file()); - rollback_lock_file(&head_lock); - return -1; - } - if (commit_lock_file(&head_lock) < 0) - return error(_("failed to finalize '%s'"), git_path_head_file()); - return 0; + return write_message(head, strlen(head), git_path_head_file(), 1); } static int rollback_is_safe(void) @@ -3175,7 +3338,7 @@ static int rollback_is_safe(void) else die_errno(_("could not read '%s'"), git_path_abort_safety_file()); - if (get_oid("HEAD", &actual_head)) + if (repo_get_oid(the_repository, "HEAD", &actual_head)) oidclr(&actual_head); return oideq(&actual_head, &expected_head); @@ -3183,18 +3346,15 @@ static int rollback_is_safe(void) static int reset_merge(const struct object_id *oid) { - int ret; - struct strvec argv = STRVEC_INIT; + struct child_process cmd = CHILD_PROCESS_INIT; - strvec_pushl(&argv, "reset", "--merge", NULL); + cmd.git_cmd = 1; + strvec_pushl(&cmd.args, "reset", "--merge", NULL); if (!is_null_oid(oid)) - strvec_push(&argv, oid_to_hex(oid)); + strvec_push(&cmd.args, oid_to_hex(oid)); - ret = run_command_v_opt(argv.v, RUN_GIT_CMD); - strvec_clear(&argv); - - return ret; + return run_command(&cmd); } static int rollback_single_pick(struct repository *r) @@ -3204,7 +3364,7 @@ static int rollback_single_pick(struct repository *r) if (!refs_ref_exists(get_main_ref_store(r), "CHERRY_PICK_HEAD") && !refs_ref_exists(get_main_ref_store(r), "REVERT_HEAD")) return error(_("no cherry-pick or revert in progress")); - if (read_ref_full("HEAD", 0, &head_oid, NULL)) + if (refs_read_ref_full(get_main_ref_store(the_repository), "HEAD", 0, &head_oid, NULL)) return error(_("cannot resolve HEAD")); if (is_null_oid(&head_oid)) return error(_("cannot abort from a branch yet to be born")); @@ -3215,7 +3375,7 @@ static int skip_single_pick(void) { struct object_id head; - if (read_ref_full("HEAD", 0, &head, NULL)) + if (refs_read_ref_full(get_main_ref_store(the_repository), "HEAD", 0, &head, NULL)) return error(_("cannot resolve HEAD")); return reset_merge(&head); } @@ -3334,7 +3494,8 @@ give_advice: return -1; } -static int save_todo(struct todo_list *todo_list, struct replay_opts *opts) +static int save_todo(struct todo_list *todo_list, struct replay_opts *opts, + int reschedule) { struct lock_file todo_lock = LOCK_INIT; const char *todo_path = get_todo_path(opts); @@ -3344,7 +3505,7 @@ static int save_todo(struct todo_list *todo_list, struct replay_opts *opts) * rebase -i writes "git-rebase-todo" without the currently executing * command, appending it to "done" instead. */ - if (is_rebase_i(opts)) + if (is_rebase_i(opts) && !reschedule) next++; fd = hold_lock_file_for_update(&todo_lock, todo_path, 0); @@ -3357,7 +3518,7 @@ static int save_todo(struct todo_list *todo_list, struct replay_opts *opts) if (commit_lock_file(&todo_lock) < 0) return error(_("failed to finalize '%s'"), todo_path); - if (is_rebase_i(opts) && next > 0) { + if (is_rebase_i(opts) && !reschedule && next > 0) { const char *done = rebase_path_done(); int fd = open(done, O_CREAT | O_WRONLY | O_APPEND, 0666); int ret = 0; @@ -3382,57 +3543,57 @@ static int save_opts(struct replay_opts *opts) if (opts->no_commit) res |= git_config_set_in_file_gently(opts_file, - "options.no-commit", "true"); + "options.no-commit", NULL, "true"); if (opts->edit >= 0) - res |= git_config_set_in_file_gently(opts_file, "options.edit", + res |= git_config_set_in_file_gently(opts_file, "options.edit", NULL, opts->edit ? "true" : "false"); if (opts->allow_empty) res |= git_config_set_in_file_gently(opts_file, - "options.allow-empty", "true"); + "options.allow-empty", NULL, "true"); if (opts->allow_empty_message) res |= git_config_set_in_file_gently(opts_file, - "options.allow-empty-message", "true"); + "options.allow-empty-message", NULL, "true"); + if (opts->drop_redundant_commits) + res |= git_config_set_in_file_gently(opts_file, + "options.drop-redundant-commits", NULL, "true"); if (opts->keep_redundant_commits) res |= git_config_set_in_file_gently(opts_file, - "options.keep-redundant-commits", "true"); + "options.keep-redundant-commits", NULL, "true"); if (opts->signoff) res |= git_config_set_in_file_gently(opts_file, - "options.signoff", "true"); + "options.signoff", NULL, "true"); if (opts->record_origin) res |= git_config_set_in_file_gently(opts_file, - "options.record-origin", "true"); + "options.record-origin", NULL, "true"); if (opts->allow_ff) res |= git_config_set_in_file_gently(opts_file, - "options.allow-ff", "true"); + "options.allow-ff", NULL, "true"); if (opts->mainline) { struct strbuf buf = STRBUF_INIT; strbuf_addf(&buf, "%d", opts->mainline); res |= git_config_set_in_file_gently(opts_file, - "options.mainline", buf.buf); + "options.mainline", NULL, buf.buf); strbuf_release(&buf); } if (opts->strategy) res |= git_config_set_in_file_gently(opts_file, - "options.strategy", opts->strategy); + "options.strategy", NULL, opts->strategy); if (opts->gpg_sign) res |= git_config_set_in_file_gently(opts_file, - "options.gpg-sign", opts->gpg_sign); - if (opts->xopts) { - int i; - for (i = 0; i < opts->xopts_nr; i++) - res |= git_config_set_multivar_in_file_gently(opts_file, - "options.strategy-option", - opts->xopts[i], "^$", 0); - } + "options.gpg-sign", NULL, opts->gpg_sign); + for (size_t i = 0; i < opts->xopts.nr; i++) + res |= git_config_set_multivar_in_file_gently(opts_file, + "options.strategy-option", + opts->xopts.v[i], "^$", NULL, 0); if (opts->allow_rerere_auto) res |= git_config_set_in_file_gently(opts_file, - "options.allow-rerere-auto", + "options.allow-rerere-auto", NULL, opts->allow_rerere_auto == RERERE_AUTOUPDATE ? "true" : "false"); if (opts->explicit_cleanup) res |= git_config_set_in_file_gently(opts_file, - "options.default-msg-cleanup", + "options.default-msg-cleanup", NULL, describe_cleanup_mode(opts->default_msg_cleanup)); return res; } @@ -3441,18 +3602,19 @@ static int make_patch(struct repository *r, struct commit *commit, struct replay_opts *opts) { - struct strbuf buf = STRBUF_INIT; struct rev_info log_tree_opt; const char *subject; char hex[GIT_MAX_HEXSZ + 1]; int res = 0; + if (!is_rebase_i(opts)) + BUG("make_patch should only be called when rebasing"); + oid_to_hex_r(hex, &commit->object.oid); if (write_message(hex, strlen(hex), rebase_path_stopped_sha(), 1) < 0) return -1; res |= write_rebase_head(&commit->object.oid); - strbuf_addf(&buf, "%s/patch", get_dir(opts)); memset(&log_tree_opt, 0, sizeof(log_tree_opt)); repo_init_revisions(r, &log_tree_opt, NULL); log_tree_opt.abbrev = 0; @@ -3460,25 +3622,26 @@ static int make_patch(struct repository *r, log_tree_opt.diffopt.output_format = DIFF_FORMAT_PATCH; log_tree_opt.disable_stdin = 1; log_tree_opt.no_commit_id = 1; - log_tree_opt.diffopt.file = fopen(buf.buf, "w"); + log_tree_opt.diffopt.file = fopen(rebase_path_patch(), "w"); log_tree_opt.diffopt.use_color = GIT_COLOR_NEVER; if (!log_tree_opt.diffopt.file) - res |= error_errno(_("could not open '%s'"), buf.buf); + res |= error_errno(_("could not open '%s'"), + rebase_path_patch()); else { res |= log_tree_commit(&log_tree_opt, commit); fclose(log_tree_opt.diffopt.file); } - strbuf_reset(&buf); - strbuf_addf(&buf, "%s/message", get_dir(opts)); - if (!file_exists(buf.buf)) { + if (!file_exists(rebase_path_message())) { const char *encoding = get_commit_output_encoding(); - const char *commit_buffer = logmsg_reencode(commit, NULL, encoding); + const char *commit_buffer = repo_logmsg_reencode(r, + commit, NULL, + encoding); find_commit_subject(commit_buffer, &subject); - res |= write_message(subject, strlen(subject), buf.buf, 1); - unuse_commit_buffer(commit, commit_buffer); + res |= write_message(subject, strlen(subject), rebase_path_message(), 1); + repo_unuse_commit_buffer(r, commit, + commit_buffer); } - strbuf_release(&buf); release_revisions(&log_tree_opt); return res; @@ -3489,7 +3652,7 @@ static int intend_to_amend(void) struct object_id head; char *p; - if (get_oid("HEAD", &head)) + if (repo_get_oid(the_repository, "HEAD", &head)) return error(_("cannot read HEAD")); p = oid_to_hex(&head); @@ -3502,13 +3665,24 @@ static int error_with_patch(struct repository *r, struct replay_opts *opts, int exit_code, int to_amend) { - if (commit) { - if (make_patch(r, commit, opts)) + struct replay_ctx *ctx = opts->ctx; + + /* + * Write the commit message to be used by "git rebase + * --continue". If a "fixup" or "squash" command has conflicts + * then we will have already written rebase_path_message() in + * error_failed_squash(). If an "edit" command was + * fast-forwarded then we don't have a message in ctx->message + * and rely on make_patch() to write rebase_path_message() + * instead. + */ + if (ctx->have_message && !file_exists(rebase_path_message()) && + write_message(ctx->message.buf, ctx->message.len, + rebase_path_message(), 0)) + return error(_("could not write commit message file")); + + if (commit && make_patch(r, commit, opts)) return -1; - } else if (copy_file(rebase_path_message(), - git_path_merge_msg(r), 0666)) - return error(_("unable to copy '%s' to '%s'"), - git_path_merge_msg(r), rebase_path_message()); if (to_amend) { if (intend_to_amend()) @@ -3526,7 +3700,7 @@ static int error_with_patch(struct repository *r, } else if (exit_code) { if (commit) fprintf_ln(stderr, _("Could not apply %s... %.*s"), - short_commit_name(commit), subject_len, subject); + short_commit_name(r, commit), subject_len, subject); else /* * We don't have the hash of the parent so @@ -3558,15 +3732,18 @@ static int error_failed_squash(struct repository *r, static int do_exec(struct repository *r, const char *command_line) { - const char *child_argv[] = { NULL, NULL }; + struct child_process cmd = CHILD_PROCESS_INIT; int dirty, status; fprintf(stderr, _("Executing: %s\n"), command_line); - child_argv[0] = command_line; - status = run_command_v_opt(child_argv, RUN_USING_SHELL); + cmd.use_shell = 1; + strvec_push(&cmd.args, command_line); + strvec_push(&cmd.env, "GIT_CHERRY_PICK_HELP"); + status = run_command(&cmd); /* force re-reading of the cache */ - if (discard_index(r->index) < 0 || repo_read_index(r) < 0) + discard_index(r->index); + if (repo_read_index(r) < 0) return error(_("could not read index")); dirty = require_clean_work_tree(r, "rebase", NULL, 1, 1); @@ -3578,14 +3755,14 @@ static int do_exec(struct repository *r, const char *command_line) " git rebase --continue\n" "\n"), command_line, - dirty ? N_("and made changes to the index and/or the " - "working tree\n") : ""); + dirty ? _("and made changes to the index and/or the " + "working tree.\n") : ""); if (status == 127) /* command not found */ status = 1; } else if (dirty) { warning(_("execution succeeded: %s\nbut " - "left changes to the index and/or the working tree\n" + "left changes to the index and/or the working tree.\n" "Commit or stash your changes, and then run\n" "\n" " git rebase --continue\n" @@ -3626,7 +3803,6 @@ static int safe_append(const char *filename, const char *fmt, ...) } if (commit_lock_file(&lock) < 0) { strbuf_release(&buf); - rollback_lock_file(&lock); return error(_("failed to finalize '%s'"), filename); } @@ -3653,11 +3829,12 @@ static int do_label(struct repository *r, const char *name, int len) if (!transaction) { error("%s", err.buf); ret = -1; - } else if (get_oid("HEAD", &head_oid)) { + } else if (repo_get_oid(r, "HEAD", &head_oid)) { error(_("could not read HEAD")); ret = -1; - } else if (ref_transaction_update(transaction, ref_name.buf, &head_oid, - NULL, 0, msg.buf, &err) < 0 || + } else if (ref_transaction_update(transaction, ref_name.buf, + &head_oid, NULL, NULL, NULL, + 0, msg.buf, &err) < 0 || ref_transaction_commit(transaction, &err)) { error("%s", err.buf); ret = -1; @@ -3674,17 +3851,28 @@ static int do_label(struct repository *r, const char *name, int len) return ret; } +static const char *sequencer_reflog_action(struct replay_opts *opts) +{ + if (!opts->reflog_action) { + opts->reflog_action = getenv(GIT_REFLOG_ACTION); + opts->reflog_action = + xstrdup(opts->reflog_action ? opts->reflog_action + : action_name(opts)); + } + + return opts->reflog_action; +} + __attribute__((format (printf, 3, 4))) static const char *reflog_message(struct replay_opts *opts, const char *sub_action, const char *fmt, ...) { va_list ap; static struct strbuf buf = STRBUF_INIT; - char *reflog_action = getenv(GIT_REFLOG_ACTION); va_start(ap, fmt); strbuf_reset(&buf); - strbuf_addstr(&buf, reflog_action ? reflog_action : action_name(opts)); + strbuf_addstr(&buf, sequencer_reflog_action(opts)); if (sub_action) strbuf_addf(&buf, " (%s)", sub_action); if (fmt) { @@ -3696,6 +3884,28 @@ static const char *reflog_message(struct replay_opts *opts, return buf.buf; } +static struct commit *lookup_label(struct repository *r, const char *label, + int len, struct strbuf *buf) +{ + struct commit *commit; + struct object_id oid; + + strbuf_reset(buf); + strbuf_addf(buf, "refs/rewritten/%.*s", len, label); + if (!refs_read_ref(get_main_ref_store(the_repository), buf->buf, &oid)) { + commit = lookup_commit_object(r, &oid); + } else { + /* fall back to non-rewritten ref or commit */ + strbuf_splice(buf, 0, strlen("refs/rewritten/"), "", 0); + commit = lookup_commit_reference_by_name(buf->buf); + } + + if (!commit) + error(_("could not resolve '%s'"), buf->buf); + + return commit; +} + static int do_reset(struct repository *r, const char *name, int len, struct replay_opts *opts) @@ -3727,6 +3937,7 @@ static int do_reset(struct repository *r, oidcpy(&oid, &opts->squash_onto); } else { int i; + struct commit *commit; /* Determine the length of the label */ for (i = 0; i < len; i++) @@ -3734,12 +3945,12 @@ static int do_reset(struct repository *r, break; len = i; - strbuf_addf(&ref_name, "refs/rewritten/%.*s", len, name); - if (get_oid(ref_name.buf, &oid) && - get_oid(ref_name.buf + strlen("refs/rewritten/"), &oid)) { - ret = error(_("could not read '%s'"), ref_name.buf); + commit = lookup_label(r, name, len, &ref_name); + if (!commit) { + ret = -1; goto cleanup; } + oid = commit->object.oid; } setup_unpack_trees_porcelain(&unpack_tree_opts, "reset"); @@ -3750,6 +3961,7 @@ static int do_reset(struct repository *r, unpack_tree_opts.merge = 1; unpack_tree_opts.update = 1; unpack_tree_opts.preserve_ignored = 0; /* FIXME: !overwrite_ignore */ + unpack_tree_opts.skip_cache_tree_update = 1; init_checkout_metadata(&unpack_tree_opts.meta, name, &oid, NULL); if (repo_read_index_unmerged(r)) { @@ -3768,15 +3980,18 @@ static int do_reset(struct repository *r, } tree = parse_tree_indirect(&oid); + if (!tree) + return error(_("unable to read tree (%s)"), oid_to_hex(&oid)); prime_cache_tree(r, r->index, tree); if (write_locked_index(r->index, &lock, COMMIT_LOCK) < 0) ret = error(_("could not write index")); if (!ret) - ret = update_ref(reflog_message(opts, "reset", "'%.*s'", - len, name), "HEAD", &oid, - NULL, 0, UPDATE_REFS_MSG_ON_ERR); + ret = refs_update_ref(get_main_ref_store(the_repository), reflog_message(opts, "reset", "'%.*s'", + len, name), + "HEAD", &oid, + NULL, 0, UPDATE_REFS_MSG_ON_ERR); cleanup: free((void *)desc.buffer); if (ret < 0) @@ -3786,37 +4001,18 @@ cleanup: return ret; } -static struct commit *lookup_label(const char *label, int len, - struct strbuf *buf) -{ - struct commit *commit; - - strbuf_reset(buf); - strbuf_addf(buf, "refs/rewritten/%.*s", len, label); - commit = lookup_commit_reference_by_name(buf->buf); - if (!commit) { - /* fall back to non-rewritten ref or commit */ - strbuf_splice(buf, 0, strlen("refs/rewritten/"), "", 0); - commit = lookup_commit_reference_by_name(buf->buf); - } - - if (!commit) - error(_("could not resolve '%s'"), buf->buf); - - return commit; -} - static int do_merge(struct repository *r, struct commit *commit, const char *arg, int arg_len, int flags, int *check_todo, struct replay_opts *opts) { + struct replay_ctx *ctx = opts->ctx; int run_commit_flags = 0; struct strbuf ref_name = STRBUF_INIT; struct commit *head_commit, *merge_commit, *i; - struct commit_list *bases, *j; + struct commit_list *bases = NULL, *j; struct commit_list *to_merge = NULL, **tail = &to_merge; - const char *strategy = !opts->xopts_nr && + const char *strategy = !opts->xopts.nr && (!opts->strategy || !strcmp(opts->strategy, "recursive") || !strcmp(opts->strategy, "ort")) ? @@ -3853,7 +4049,7 @@ static int do_merge(struct repository *r, k = strcspn(p, " \t\n"); if (!k) continue; - merge_commit = lookup_label(p, k, &ref_name); + merge_commit = lookup_label(r, p, k, &ref_name); if (!merge_commit) { ret = error(_("unable to parse '%.*s'"), k, p); goto leave_merge; @@ -3926,7 +4122,8 @@ static int do_merge(struct repository *r, if (commit) { const char *encoding = get_commit_output_encoding(); - const char *message = logmsg_reencode(commit, NULL, encoding); + const char *message = repo_logmsg_reencode(r, commit, NULL, + encoding); const char *body; int len; @@ -3938,40 +4135,31 @@ static int do_merge(struct repository *r, write_author_script(message); find_commit_subject(message, &body); len = strlen(body); - ret = write_message(body, len, git_path_merge_msg(r), 0); - unuse_commit_buffer(commit, message); - if (ret) { - error_errno(_("could not write '%s'"), - git_path_merge_msg(r)); - goto leave_merge; - } + strbuf_add(&ctx->message, body, len); + repo_unuse_commit_buffer(r, commit, message); } else { struct strbuf buf = STRBUF_INIT; - int len; strbuf_addf(&buf, "author %s", git_author_info(0)); write_author_script(buf.buf); - strbuf_reset(&buf); + strbuf_release(&buf); if (oneline_offset < arg_len) { - p = arg + oneline_offset; - len = arg_len - oneline_offset; + strbuf_add(&ctx->message, arg + oneline_offset, + arg_len - oneline_offset); } else { - strbuf_addf(&buf, "Merge %s '%.*s'", + strbuf_addf(&ctx->message, "Merge %s '%.*s'", to_merge->next ? "branches" : "branch", merge_arg_len, arg); - p = buf.buf; - len = buf.len; - } - - ret = write_message(p, len, git_path_merge_msg(r), 0); - strbuf_release(&buf); - if (ret) { - error_errno(_("could not write '%s'"), - git_path_merge_msg(r)); - goto leave_merge; } } + ctx->have_message = 1; + if (write_message(ctx->message.buf, ctx->message.len, + git_path_merge_msg(r), 0)) { + ret = error_errno(_("could not write '%s'"), + git_path_merge_msg(r)); + goto leave_merge; + } if (strategy || to_merge->next) { /* Octopus merge */ @@ -3999,9 +4187,9 @@ static int do_merge(struct repository *r, strvec_push(&cmd.args, "octopus"); else { strvec_push(&cmd.args, strategy); - for (k = 0; k < opts->xopts_nr; k++) + for (k = 0; k < opts->xopts.nr; k++) strvec_pushf(&cmd.args, - "-X%s", opts->xopts[k]); + "-X%s", opts->xopts.v[k]); } if (!(flags & TODO_EDIT_MERGE_MSG)) strvec_push(&cmd.args, "--no-edit"); @@ -4024,20 +4212,26 @@ static int do_merge(struct repository *r, strbuf_release(&ref_name); refs_delete_ref(get_main_ref_store(r), "", "CHERRY_PICK_HEAD", - NULL, 0); + NULL, REF_NO_DEREF); rollback_lock_file(&lock); ret = run_command(&cmd); /* force re-reading of the cache */ - if (!ret && (discard_index(r->index) < 0 || - repo_read_index(r) < 0)) - ret = error(_("could not read index")); + if (!ret) { + discard_index(r->index); + if (repo_read_index(r) < 0) + ret = error(_("could not read index")); + } goto leave_merge; } merge_commit = to_merge->item; - bases = get_merge_bases(head_commit, merge_commit); + if (repo_get_merge_bases(r, head_commit, merge_commit, &bases) < 0) { + ret = -1; + goto leave_merge; + } + if (bases && oideq(&merge_commit->object.oid, &bases->item->object.oid)) { ret = 0; @@ -4077,6 +4271,7 @@ static int do_merge(struct repository *r, if (ret < 0) { error(_("could not even attempt to merge '%.*s'"), merge_arg_len, arg); + unlink(git_path_merge_msg(r)); goto leave_merge; } /* @@ -4130,11 +4325,14 @@ static int write_update_refs_state(struct string_list *refs_to_oids) struct string_list_item *item; char *path; - if (!refs_to_oids->nr) - return 0; - path = rebase_path_update_refs(the_repository->gitdir); + if (!refs_to_oids->nr) { + if (unlink(path) && errno != ENOENT) + result = error_errno(_("could not unlink: %s"), path); + goto cleanup; + } + if (safe_create_leading_directories(path)) { result = error(_("unable to create leading directories of %s"), path); @@ -4202,7 +4400,7 @@ void todo_list_filter_update_refs(struct repository *r, if (!is_null_oid(&rec->after)) continue; - for (j = 0; !found && j < todo_list->total_nr; j++) { + for (j = 0; !found && j < todo_list->nr; j++) { struct todo_item *item = &todo_list->items[j]; const char *arg = todo_list->buf.buf + item->arg_offset; @@ -4232,7 +4430,7 @@ void todo_list_filter_update_refs(struct repository *r, * For each todo_item, check if its ref is in the update_refs list. * If not, then add it as an un-updated ref. */ - for (i = 0; i < todo_list->total_nr; i++) { + for (i = 0; i < todo_list->nr; i++) { struct todo_item *item = &todo_list->items[i]; const char *arg = todo_list->buf.buf + item->arg_offset; int j, found = 0; @@ -4275,7 +4473,7 @@ static int do_update_ref(struct repository *r, const char *refname) for_each_string_list_item(item, &list) { if (!strcmp(item->string, refname)) { struct update_ref_record *rec = item->util; - if (read_ref("HEAD", &rec->after)) + if (refs_read_ref(get_main_ref_store(the_repository), "HEAD", &rec->after)) return -1; break; } @@ -4363,12 +4561,17 @@ static enum todo_command peek_command(struct todo_list *todo_list, int offset) return -1; } -void create_autostash(struct repository *r, const char *path) +static void create_autostash_internal(struct repository *r, + const char *path, + const char *refname) { struct strbuf buf = STRBUF_INIT; struct lock_file lock_file = LOCK_INIT; int fd; + if (path && refname) + BUG("can only pass path or refname"); + fd = repo_hold_locked_index(r, &lock_file, 0); refresh_index(r->index, REFRESH_QUIET, NULL, NULL, NULL); if (0 <= fd) @@ -4389,26 +4592,42 @@ void create_autostash(struct repository *r, const char *path) if (capture_command(&stash, &buf, GIT_MAX_HEXSZ)) die(_("Cannot autostash")); strbuf_trim_trailing_newline(&buf); - if (get_oid(buf.buf, &oid)) + if (repo_get_oid(r, buf.buf, &oid)) die(_("Unexpected stash response: '%s'"), buf.buf); strbuf_reset(&buf); strbuf_add_unique_abbrev(&buf, &oid, DEFAULT_ABBREV); - if (safe_create_leading_directories_const(path)) - die(_("Could not create directory for '%s'"), - path); - write_file(path, "%s", oid_to_hex(&oid)); + if (path) { + if (safe_create_leading_directories_const(path)) + die(_("Could not create directory for '%s'"), + path); + write_file(path, "%s", oid_to_hex(&oid)); + } else { + refs_update_ref(get_main_ref_store(r), "", refname, + &oid, null_oid(), 0, UPDATE_REFS_DIE_ON_ERR); + } + printf(_("Created autostash: %s\n"), buf.buf); if (reset_head(r, &ropts) < 0) die(_("could not reset --hard")); - if (discard_index(r->index) < 0 || - repo_read_index(r) < 0) + discard_index(r->index); + if (repo_read_index(r) < 0) die(_("could not read index")); } strbuf_release(&buf); } +void create_autostash(struct repository *r, const char *path) +{ + create_autostash_internal(r, path, NULL); +} + +void create_autostash_ref(struct repository *r, const char *refname) +{ + create_autostash_internal(r, NULL, refname); +} + static int apply_save_autostash_oid(const char *stash_oid, int attempt_apply) { struct child_process child = CHILD_PROCESS_INIT; @@ -4486,6 +4705,41 @@ int apply_autostash_oid(const char *stash_oid) return apply_save_autostash_oid(stash_oid, 1); } +static int apply_save_autostash_ref(struct repository *r, const char *refname, + int attempt_apply) +{ + struct object_id stash_oid; + char stash_oid_hex[GIT_MAX_HEXSZ + 1]; + int flag, ret; + + if (!refs_ref_exists(get_main_ref_store(r), refname)) + return 0; + + if (!refs_resolve_ref_unsafe(get_main_ref_store(r), refname, + RESOLVE_REF_READING, &stash_oid, &flag)) + return -1; + if (flag & REF_ISSYMREF) + return error(_("autostash reference is a symref")); + + oid_to_hex_r(stash_oid_hex, &stash_oid); + ret = apply_save_autostash_oid(stash_oid_hex, attempt_apply); + + refs_delete_ref(get_main_ref_store(r), "", refname, + &stash_oid, REF_NO_DEREF); + + return ret; +} + +int save_autostash_ref(struct repository *r, const char *refname) +{ + return apply_save_autostash_ref(r, refname, 0); +} + +int apply_autostash_ref(struct repository *r, const char *refname) +{ + return apply_save_autostash_ref(r, refname, 1); +} + static int checkout_onto(struct repository *r, struct replay_opts *opts, const char *onto_name, const struct object_id *onto, const struct object_id *orig_head) @@ -4497,7 +4751,7 @@ static int checkout_onto(struct repository *r, struct replay_opts *opts, RESET_HEAD_RUN_POST_CHECKOUT_HOOK, .head_msg = reflog_message(opts, "start", "checkout %s", onto_name), - .default_reflog_action = "rebase" + .default_reflog_action = sequencer_reflog_action(opts) }; if (reset_head(r, &ropts)) { apply_autostash(rebase_path_autostash()); @@ -4514,9 +4768,9 @@ static int stopped_at_head(struct repository *r) struct commit *commit; struct commit_message message; - if (get_oid("HEAD", &head) || + if (repo_get_oid(r, "HEAD", &head) || !(commit = lookup_commit(r, &head)) || - parse_commit(commit) || get_message(commit, &message)) + repo_parse_commit(r, commit) || get_message(commit, &message)) fprintf(stderr, _("Stopped at HEAD\n")); else { fprintf(stderr, _("Stopped at %s\n"), message.label); @@ -4561,16 +4815,77 @@ N_("Could not execute the todo command\n" " git rebase --edit-todo\n" " git rebase --continue\n"); +static int pick_one_commit(struct repository *r, + struct todo_list *todo_list, + struct replay_opts *opts, + int *check_todo, int* reschedule) +{ + struct replay_ctx *ctx = opts->ctx; + int res; + struct todo_item *item = todo_list->items + todo_list->current; + const char *arg = todo_item_get_arg(todo_list, item); + if (is_rebase_i(opts)) + ctx->reflog_message = reflog_message( + opts, command_to_string(item->command), NULL); + + res = do_pick_commit(r, item, opts, is_final_fixup(todo_list), + check_todo); + if (is_rebase_i(opts) && res < 0) { + /* Reschedule */ + *reschedule = 1; + return -1; + } + if (item->command == TODO_EDIT) { + struct commit *commit = item->commit; + if (!res) { + if (!opts->verbose) + term_clear_line(); + fprintf(stderr, _("Stopped at %s... %.*s\n"), + short_commit_name(r, commit), item->arg_len, arg); + } + return error_with_patch(r, commit, + arg, item->arg_len, opts, res, !res); + } + if (is_rebase_i(opts) && !res) + record_in_rewritten(&item->commit->object.oid, + peek_command(todo_list, 1)); + if (res && is_fixup(item->command)) { + if (res == 1) + intend_to_amend(); + return error_failed_squash(r, item->commit, opts, + item->arg_len, arg); + } else if (res && is_rebase_i(opts) && item->commit) { + int to_amend = 0; + struct object_id oid; + + /* + * If we are rewording and have either + * fast-forwarded already, or are about to + * create a new root commit, we want to amend, + * otherwise we do not. + */ + if (item->command == TODO_REWORD && + !repo_get_oid(r, "HEAD", &oid) && + (oideq(&item->commit->object.oid, &oid) || + (opts->have_squash_onto && + oideq(&opts->squash_onto, &oid)))) + to_amend = 1; + + return res | error_with_patch(r, item->commit, + arg, item->arg_len, opts, + res, to_amend); + } + return res; +} + static int pick_commits(struct repository *r, struct todo_list *todo_list, struct replay_opts *opts) { + struct replay_ctx *ctx = opts->ctx; int res = 0, reschedule = 0; - char *prev_reflog_action; - /* Note that 0 for 3rd parameter of setenv means set only if not set */ - setenv(GIT_REFLOG_ACTION, action_name(opts), 0); - prev_reflog_action = xstrdup(getenv(GIT_REFLOG_ACTION)); + ctx->reflog_message = sequencer_reflog_action(opts); if (opts->allow_ff) assert(!(opts->signoff || opts->no_commit || opts->record_origin || should_edit(opts) || @@ -4579,12 +4894,17 @@ static int pick_commits(struct repository *r, if (read_and_refresh_cache(r, opts)) return -1; + unlink(rebase_path_message()); + unlink(rebase_path_stopped_sha()); + unlink(rebase_path_amend()); + unlink(rebase_path_patch()); + 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)) + if (save_todo(todo_list, opts, reschedule)) return -1; if (is_rebase_i(opts)) { if (item->command != TODO_COMMENT) { @@ -4602,13 +4922,12 @@ static int pick_commits(struct repository *r, todo_list->total_nr, opts->verbose ? "\n" : "\r"); } - unlink(rebase_path_message()); unlink(rebase_path_author_script()); - unlink(rebase_path_stopped_sha()); - unlink(rebase_path_amend()); unlink(git_path_merge_head(r)); - unlink(git_path_auto_merge(r)); - delete_ref(NULL, "REBASE_HEAD", NULL, REF_NO_DEREF); + refs_delete_ref(get_main_ref_store(r), "", "AUTO_MERGE", + NULL, REF_NO_DEREF); + refs_delete_ref(get_main_ref_store(r), "", "REBASE_HEAD", + NULL, REF_NO_DEREF); if (item->command == TODO_BREAK) { if (!opts->verbose) @@ -4616,69 +4935,13 @@ static int pick_commits(struct repository *r, return stopped_at_head(r); } } + strbuf_reset(&ctx->message); + ctx->have_message = 0; if (item->command <= TODO_SQUASH) { - if (is_rebase_i(opts)) - setenv(GIT_REFLOG_ACTION, reflog_message(opts, - command_to_string(item->command), NULL), - 1); - res = do_pick_commit(r, item, opts, - is_final_fixup(todo_list), - &check_todo); - if (is_rebase_i(opts)) - setenv(GIT_REFLOG_ACTION, prev_reflog_action, 1); - if (is_rebase_i(opts) && res < 0) { - /* Reschedule */ - advise(_(rescheduled_advice), - get_item_line_length(todo_list, - todo_list->current), - get_item_line(todo_list, - todo_list->current)); - todo_list->current--; - if (save_todo(todo_list, opts)) - return -1; - } - if (item->command == TODO_EDIT) { - struct commit *commit = item->commit; - if (!res) { - if (!opts->verbose) - term_clear_line(); - fprintf(stderr, - _("Stopped at %s... %.*s\n"), - short_commit_name(commit), - item->arg_len, arg); - } - return error_with_patch(r, commit, - arg, item->arg_len, opts, res, !res); - } - if (is_rebase_i(opts) && !res) - record_in_rewritten(&item->commit->object.oid, - peek_command(todo_list, 1)); - if (res && is_fixup(item->command)) { - if (res == 1) - intend_to_amend(); - return error_failed_squash(r, item->commit, opts, - item->arg_len, arg); - } else if (res && is_rebase_i(opts) && item->commit) { - int to_amend = 0; - struct object_id oid; - - /* - * If we are rewording and have either - * fast-forwarded already, or are about to - * create a new root commit, we want to amend, - * otherwise we do not. - */ - if (item->command == TODO_REWORD && - !get_oid("HEAD", &oid) && - (oideq(&item->commit->object.oid, &oid) || - (opts->have_squash_onto && - oideq(&opts->squash_onto, &oid)))) - to_amend = 1; - - return res | error_with_patch(r, item->commit, - arg, item->arg_len, opts, - res, to_amend); - } + res = pick_one_commit(r, todo_list, opts, &check_todo, + &reschedule); + if (!res && item->command == TODO_EDIT) + return 0; } else if (item->command == TODO_EXEC) { char *end_of_arg = (char *)(arg + item->arg_len); int saved = *end_of_arg; @@ -4726,39 +4989,32 @@ static int pick_commits(struct repository *r, get_item_line_length(todo_list, todo_list->current), get_item_line(todo_list, todo_list->current)); - todo_list->current--; - if (save_todo(todo_list, opts)) + if (save_todo(todo_list, opts, reschedule)) return -1; if (item->commit) - return error_with_patch(r, - item->commit, - arg, item->arg_len, - opts, res, 0); + write_rebase_head(&item->commit->object.oid); } else if (is_rebase_i(opts) && check_todo && !res && reread_todo_if_changed(r, todo_list, opts)) { return -1; } - todo_list->current++; if (res) return res; + + todo_list->current++; } if (is_rebase_i(opts)) { struct strbuf head_ref = STRBUF_INIT, buf = STRBUF_INIT; struct stat st; - /* Stopped in the middle, as planned? */ - if (todo_list->current < todo_list->nr) - return 0; - if (read_oneliner(&head_ref, rebase_path_head_name(), 0) && starts_with(head_ref.buf, "refs/")) { const char *msg; struct object_id head, orig; int res; - if (get_oid("HEAD", &head)) { + if (repo_get_oid(r, "HEAD", &head)) { res = error(_("cannot read HEAD")); cleanup_head_ref: strbuf_release(&head_ref); @@ -4777,15 +5033,15 @@ cleanup_head_ref: } msg = reflog_message(opts, "finish", "%s onto %s", head_ref.buf, buf.buf); - if (update_ref(msg, head_ref.buf, &head, &orig, - REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) { + if (refs_update_ref(get_main_ref_store(the_repository), msg, head_ref.buf, &head, &orig, + REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) { res = error(_("could not update %s"), head_ref.buf); goto cleanup_head_ref; } msg = reflog_message(opts, "finish", "returning to %s", head_ref.buf); - if (create_symref("HEAD", head_ref.buf, msg)) { + if (refs_update_symref(get_main_ref_store(the_repository), "HEAD", head_ref.buf, msg)) { res = error(_("could not update HEAD to %s"), head_ref.buf); goto cleanup_head_ref; @@ -4805,8 +5061,8 @@ cleanup_head_ref: log_tree_opt.disable_stdin = 1; if (read_oneliner(&buf, rebase_path_orig_head(), 0) && - !get_oid(buf.buf, &orig) && - !get_oid("HEAD", &head)) { + !repo_get_oid(r, buf.buf, &orig) && + !repo_get_oid(r, "HEAD", &head)) { diff_tree_oid(&orig, &head, "", &log_tree_opt.diffopt); log_tree_diff_flush(&log_tree_opt); @@ -4817,8 +5073,7 @@ cleanup_head_ref: if (!stat(rebase_path_rewritten_list(), &st) && st.st_size > 0) { struct child_process child = CHILD_PROCESS_INIT; - const char *post_rewrite_hook = - find_hook("post-rewrite"); + struct run_hooks_opt hook_opt = RUN_HOOKS_OPT_INIT; child.in = open(rebase_path_rewritten_list(), O_RDONLY); child.git_cmd = 1; @@ -4828,18 +5083,9 @@ cleanup_head_ref: /* we don't care if this copying failed */ run_command(&child); - if (post_rewrite_hook) { - struct child_process hook = CHILD_PROCESS_INIT; - - hook.in = open(rebase_path_rewritten_list(), - O_RDONLY); - hook.stdout_to_stderr = 1; - hook.trace2_hook_name = "post-rewrite"; - strvec_push(&hook.args, post_rewrite_hook); - strvec_push(&hook.args, "rebase"); - /* we don't care if this hook failed */ - run_command(&hook); - } + hook_opt.path_to_stdin = rebase_path_rewritten_list(); + strvec_push(&hook_opt.args, "rebase"); + run_hooks_opt("post-rewrite", &hook_opt); } apply_autostash(rebase_path_autostash()); @@ -4867,14 +5113,14 @@ cleanup_head_ref: static int continue_single_pick(struct repository *r, struct replay_opts *opts) { - struct strvec argv = STRVEC_INIT; - int ret; + struct child_process cmd = CHILD_PROCESS_INIT; if (!refs_ref_exists(get_main_ref_store(r), "CHERRY_PICK_HEAD") && !refs_ref_exists(get_main_ref_store(r), "REVERT_HEAD")) return error(_("no cherry-pick or revert in progress")); - strvec_push(&argv, "commit"); + cmd.git_cmd = 1; + strvec_push(&cmd.args, "commit"); /* * continue_single_pick() handles the case of recovering from a @@ -4887,17 +5133,16 @@ static int continue_single_pick(struct repository *r, struct replay_opts *opts) * Include --cleanup=strip as well because we don't want the * "# Conflicts:" messages. */ - strvec_pushl(&argv, "--no-edit", "--cleanup=strip", NULL); + strvec_pushl(&cmd.args, "--no-edit", "--cleanup=strip", NULL); - ret = run_command_v_opt(argv.v, RUN_GIT_CMD); - strvec_clear(&argv); - return ret; + return run_command(&cmd); } static int commit_staged_changes(struct repository *r, struct replay_opts *opts, struct todo_list *todo_list) { + struct replay_ctx *ctx = opts->ctx; unsigned int flags = ALLOW_EMPTY | EDIT_MSG; unsigned int final_fixup = 0, is_clean; @@ -4906,11 +5151,16 @@ static int commit_staged_changes(struct repository *r, is_clean = !has_uncommitted_changes(r, 0); + if (!is_clean && !file_exists(rebase_path_message())) { + const char *gpg_opt = gpg_sign_opt_quoted(opts); + + return error(_(staged_changes_advice), gpg_opt, gpg_opt); + } if (file_exists(rebase_path_amend())) { struct strbuf rev = STRBUF_INIT; struct object_id head, to_amend; - if (get_oid("HEAD", &head)) + if (repo_get_oid(r, "HEAD", &head)) return error(_("cannot amend non-existing commit")); if (!read_oneliner(&rev, rebase_path_amend(), 0)) return error(_("invalid file: '%s'"), rebase_path_amend()); @@ -4929,7 +5179,7 @@ static int commit_staged_changes(struct repository *r, * the commit message and if there was a squash, let the user * edit it. */ - if (!is_clean || !opts->current_fixup_count) + if (!is_clean || !ctx->current_fixup_count) ; /* this is not the final fixup */ else if (!oideq(&head, &to_amend) || !file_exists(rebase_path_stopped_sha())) { @@ -4938,20 +5188,20 @@ static int commit_staged_changes(struct repository *r, unlink(rebase_path_fixup_msg()); unlink(rebase_path_squash_msg()); unlink(rebase_path_current_fixups()); - strbuf_reset(&opts->current_fixups); - opts->current_fixup_count = 0; + strbuf_reset(&ctx->current_fixups); + ctx->current_fixup_count = 0; } } else { /* we are in a fixup/squash chain */ - const char *p = opts->current_fixups.buf; - int len = opts->current_fixups.len; + const char *p = ctx->current_fixups.buf; + int len = ctx->current_fixups.len; - opts->current_fixup_count--; + ctx->current_fixup_count--; if (!len) BUG("Incorrect current_fixups:\n%s", p); while (len && p[len - 1] != '\n') len--; - strbuf_setlen(&opts->current_fixups, len); + strbuf_setlen(&ctx->current_fixups, len); if (write_message(p, len, rebase_path_current_fixups(), 0) < 0) return error(_("could not write file: '%s'"), @@ -4968,7 +5218,7 @@ static int commit_staged_changes(struct repository *r, * actually need to re-commit with a cleaned up commit * message. */ - if (opts->current_fixup_count > 0 && + if (ctx->current_fixup_count > 0 && !is_fixup(peek_command(todo_list, 0))) { final_fixup = 1; /* @@ -4985,18 +5235,31 @@ static int commit_staged_changes(struct repository *r, * We need to update the squash message to skip * the latest commit message. */ + int res = 0; struct commit *commit; + const char *msg; const char *path = rebase_path_squash_msg(); const char *encoding = get_commit_output_encoding(); - if (parse_head(r, &commit) || - !(p = logmsg_reencode(commit, NULL, encoding)) || - write_message(p, strlen(p), path, 0)) { - unuse_commit_buffer(commit, p); - return error(_("could not write file: " + if (parse_head(r, &commit)) + return error(_("could not parse HEAD")); + + p = repo_logmsg_reencode(r, commit, NULL, encoding); + if (!p) { + res = error(_("could not parse commit %s"), + oid_to_hex(&commit->object.oid)); + goto unuse_commit_buffer; + } + find_commit_subject(p, &msg); + if (write_message(msg, strlen(msg), path, 0)) { + res = error(_("could not write file: " "'%s'"), path); + goto unuse_commit_buffer; } - unuse_commit_buffer(commit, p); + unuse_commit_buffer: + repo_unuse_commit_buffer(r, commit, p); + if (res) + return res; } } @@ -5008,7 +5271,7 @@ static int commit_staged_changes(struct repository *r, if (refs_ref_exists(get_main_ref_store(r), "CHERRY_PICK_HEAD") && refs_delete_ref(get_main_ref_store(r), "", - "CHERRY_PICK_HEAD", NULL, 0)) + "CHERRY_PICK_HEAD", NULL, REF_NO_DEREF)) return error(_("could not remove CHERRY_PICK_HEAD")); if (unlink(git_path_merge_msg(r)) && errno != ENOENT) return error_errno(_("could not remove '%s'"), @@ -5022,25 +5285,27 @@ static int commit_staged_changes(struct repository *r, return error(_("could not commit staged changes.")); unlink(rebase_path_amend()); unlink(git_path_merge_head(r)); - unlink(git_path_auto_merge(r)); + refs_delete_ref(get_main_ref_store(r), "", "AUTO_MERGE", + NULL, REF_NO_DEREF); if (final_fixup) { unlink(rebase_path_fixup_msg()); unlink(rebase_path_squash_msg()); } - if (opts->current_fixup_count > 0) { + if (ctx->current_fixup_count > 0) { /* * Whether final fixup or not, we just cleaned up the commit * message... */ unlink(rebase_path_current_fixups()); - strbuf_reset(&opts->current_fixups); - opts->current_fixup_count = 0; + strbuf_reset(&ctx->current_fixups); + ctx->current_fixup_count = 0; } return 0; } int sequencer_continue(struct repository *r, struct replay_opts *opts) { + struct replay_ctx *ctx = opts->ctx; struct todo_list todo_list = TODO_LIST_INIT; int res; @@ -5060,6 +5325,7 @@ int sequencer_continue(struct repository *r, struct replay_opts *opts) unlink(rebase_path_dropped()); } + ctx->reflog_message = reflog_message(opts, "continue", NULL); if (commit_staged_changes(r, opts, &todo_list)) { res = -1; goto release_todo_list; @@ -5111,7 +5377,7 @@ static int single_pick(struct repository *r, TODO_PICK : TODO_REVERT; item.commit = cmit; - setenv(GIT_REFLOG_ACTION, action_name(opts), 0); + opts->ctx->reflog_message = sequencer_reflog_action(opts); return do_pick_commit(r, &item, opts, 0, &check_todo); } @@ -5134,7 +5400,7 @@ int sequencer_pick_revisions(struct repository *r, if (!strlen(name)) continue; - if (!get_oid(name, &oid)) { + if (!repo_get_oid(r, name, &oid)) { if (!lookup_commit_reference_gently(r, &oid, 1)) { enum object_type type = oid_object_info(r, &oid, @@ -5177,7 +5443,7 @@ int sequencer_pick_revisions(struct repository *r, if (walk_revs_populate_todo(&todo_list, opts) || create_seq_dir(r) < 0) return -1; - if (get_oid("HEAD", &oid) && (opts->action == REPLAY_REVERT)) + if (repo_get_oid(r, "HEAD", &oid) && (opts->action == REPLAY_REVERT)) return error(_("can't revert as initial commit")); if (save_head(oid_to_hex(&oid))) return -1; @@ -5275,6 +5541,7 @@ struct label_state { struct oidmap commit2label; struct hashmap labels; struct strbuf buf; + int max_label_length; }; static const char *label_oid(struct object_id *oid, const char *label, @@ -5293,7 +5560,7 @@ static const char *label_oid(struct object_id *oid, const char *label, * For "uninteresting" commits, i.e. commits that are not to be * rebased, and which can therefore not be labeled, we use a unique * abbreviation of the commit name. This is slightly more complicated - * than calling find_unique_abbrev() because we also need to make + * than calling repo_find_unique_abbrev() because we also need to make * sure that the abbreviation does not conflict with any other * label. * @@ -5309,7 +5576,8 @@ static const char *label_oid(struct object_id *oid, const char *label, strbuf_grow(&state->buf, GIT_MAX_HEXSZ); label = p = state->buf.buf; - find_unique_abbrev_r(p, oid, default_abbrev); + repo_find_unique_abbrev_r(the_repository, p, oid, + default_abbrev); /* * We may need to extend the abbreviated hash so that there is @@ -5330,6 +5598,8 @@ static const char *label_oid(struct object_id *oid, const char *label, } } else { struct strbuf *buf = &state->buf; + int label_is_utf8 = 1; /* start with this assumption */ + size_t max_len = buf->len + state->max_label_length; /* * Sanitize labels by replacing non-alpha-numeric characters @@ -5338,14 +5608,34 @@ static const char *label_oid(struct object_id *oid, const char *label, * * 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. + * in file names. + * + * As we will use the labels as names of (loose) refs, it is + * vital that the name not be longer than the maximum component + * size of the file system (`NAME_MAX`). We are careful to + * truncate the label accordingly, allowing for the `.lock` + * suffix and for the label to be UTF-8 encoded (i.e. we avoid + * truncating in the middle of a character). */ - for (; *label; label++) - if ((*label & 0x80) || isalnum(*label)) + for (; *label && buf->len + 1 < max_len; label++) + if (isalnum(*label) || + (!label_is_utf8 && (*label & 0x80))) strbuf_addch(buf, *label); + else if (*label & 0x80) { + const char *p = label; + + utf8_width(&p, NULL); + if (p) { + if (buf->len + (p - label) > max_len) + break; + strbuf_add(buf, label, p - label); + label = p - 1; + } else { + label_is_utf8 = 0; + strbuf_addch(buf, *label); + } /* avoid leading dash and double-dashes */ - else if (buf->len && buf->buf[buf->len - 1] != '-') + } else if (buf->len && buf->buf[buf->len - 1] != '-') strbuf_addch(buf, '-'); if (!buf->len) { strbuf_addstr(buf, "rev-"); @@ -5407,7 +5697,8 @@ static int make_script_with_merges(struct pretty_print_context *pp, struct string_entry *entry; struct oidset interesting = OIDSET_INIT, child_seen = OIDSET_INIT, shown = OIDSET_INIT; - struct label_state state = { OIDMAP_INIT, { NULL }, STRBUF_INIT }; + struct label_state state = + { OIDMAP_INIT, { NULL }, STRBUF_INIT, GIT_MAX_LABEL_LENGTH }; int abbr = flags & TODO_LIST_ABBREVIATE_CMDS; const char *cmd_pick = abbr ? "p" : "pick", @@ -5415,6 +5706,8 @@ static int make_script_with_merges(struct pretty_print_context *pp, *cmd_reset = abbr ? "t" : "reset", *cmd_merge = abbr ? "m" : "merge"; + git_config_get_int("rebase.maxlabellength", &state.max_label_length); + oidmap_init(&commit2todo, 0); oidmap_init(&state.commit2label, 0); hashmap_init(&state.labels, labels_cmp, NULL, 0); @@ -5451,7 +5744,7 @@ static int make_script_with_merges(struct pretty_print_context *pp, if (!is_empty && (commit->object.flags & PATCHSAME)) { if (flags & TODO_LIST_WARN_SKIPPED_CHERRY_PICKS) warning(_("skipped previously applied commit %s"), - short_commit_name(commit)); + short_commit_name(the_repository, commit)); skipped_commit = 1; continue; } @@ -5469,8 +5762,8 @@ static int make_script_with_merges(struct pretty_print_context *pp, oid_to_hex(&commit->object.oid), oneline.buf); if (is_empty) - strbuf_addf(&buf, " %c empty", - comment_line_char); + strbuf_addf(&buf, " %s empty", + comment_line_str); FLEX_ALLOC_STR(entry, string, buf.buf); oidcpy(&entry->entry.oid, &commit->object.oid); @@ -5560,7 +5853,7 @@ static int make_script_with_merges(struct pretty_print_context *pp, entry = oidmap_get(&state.commit2label, &commit->object.oid); if (entry) - strbuf_addf(out, "\n%c Branch %s\n", comment_line_char, entry->string); + strbuf_addf(out, "\n%s Branch %s\n", comment_line_str, entry->string); else strbuf_addch(out, '\n'); @@ -5687,7 +5980,7 @@ int sequencer_make_script(struct repository *r, struct strbuf *out, int argc, if (!is_empty && (commit->object.flags & PATCHSAME)) { if (flags & TODO_LIST_WARN_SKIPPED_CHERRY_PICKS) warning(_("skipped previously applied commit %s"), - short_commit_name(commit)); + short_commit_name(r, commit)); skipped_commit = 1; continue; } @@ -5697,7 +5990,7 @@ int sequencer_make_script(struct repository *r, struct strbuf *out, int argc, oid_to_hex(&commit->object.oid)); pretty_print_commit(&pp, commit, out); if (is_empty) - strbuf_addf(out, " %c empty", comment_line_char); + strbuf_addf(out, " %s empty", comment_line_str); strbuf_addch(out, '\n'); } if (skipped_commit) @@ -5729,8 +6022,8 @@ static void todo_list_add_exec_commands(struct todo_list *todo_list, base_items[i].command = TODO_EXEC; base_items[i].offset_in_buf = base_offset; - base_items[i].arg_offset = base_offset + strlen("exec "); - base_items[i].arg_len = command_len - strlen("exec "); + base_items[i].arg_offset = base_offset; + base_items[i].arg_len = command_len; base_offset += command_len + 1; } @@ -5779,7 +6072,8 @@ static void todo_list_add_exec_commands(struct todo_list *todo_list, todo_list->alloc = alloc; } -static void todo_list_to_strbuf(struct repository *r, struct todo_list *todo_list, +static void todo_list_to_strbuf(struct repository *r, + struct todo_list *todo_list, struct strbuf *buf, int num, unsigned flags) { struct todo_item *item; @@ -5808,7 +6102,7 @@ static void todo_list_to_strbuf(struct repository *r, struct todo_list *todo_lis /* add commit id */ if (item->commit) { const char *oid = flags & TODO_LIST_SHORTEN_IDS ? - short_commit_name(item->commit) : + short_commit_name(r, item->commit) : oid_to_hex(&item->commit->object.oid); if (item->command == TODO_FIXUP) { @@ -5871,7 +6165,7 @@ static int skip_unnecessary_picks(struct repository *r, continue; if (item->command != TODO_PICK) break; - if (parse_commit(item->commit)) { + if (repo_parse_commit(r, item->commit)) { return error(_("could not parse commit '%s'"), oid_to_hex(&item->commit->object.oid)); } @@ -5917,10 +6211,11 @@ static int add_decorations_to_list(const struct commit *commit, struct todo_add_branch_context *ctx) { const struct name_decoration *decoration = get_name_decoration(&commit->object); - const char *head_ref = resolve_ref_unsafe("HEAD", - RESOLVE_REF_READING, - NULL, - NULL); + const char *head_ref = refs_resolve_ref_unsafe(get_main_ref_store(the_repository), + "HEAD", + RESOLVE_REF_READING, + NULL, + NULL); while (decoration) { struct todo_item *item; @@ -6042,7 +6337,8 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla struct object_id oid = onto->object.oid; int res; - find_unique_abbrev_r(shortonto, &oid, DEFAULT_ABBREV); + repo_find_unique_abbrev_r(r, shortonto, &oid, + DEFAULT_ABBREV); if (buf->len == 0) { struct todo_item *item = append_new_todo(todo_list); @@ -6093,7 +6389,8 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla todo_list_to_strbuf(r, &new_todo, &buf2, -1, 0); strbuf_swap(&new_todo.buf, &buf2); strbuf_release(&buf2); - new_todo.total_nr -= new_todo.nr; + /* Nothing is done yet, and we're reparsing, so let's reset the count */ + new_todo.total_nr = 0; if (todo_list_parse_insn_buffer(r, new_todo.buf.buf, &new_todo) < 0) BUG("invalid todo list after expanding IDs:\n%s", new_todo.buf.buf); @@ -6114,7 +6411,7 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla if (checkout_onto(r, opts, onto_name, &oid, orig_head)) goto cleanup; - if (require_clean_work_tree(r, "rebase", "", 1, 1)) + if (require_clean_work_tree(r, "rebase", NULL, 1, 1)) goto cleanup; todo_list_write_total_nr(&new_todo); @@ -6165,7 +6462,7 @@ static int skip_fixupish(const char *subject, const char **p) { int todo_list_rearrange_squash(struct todo_list *todo_list) { struct hashmap subject2item; - int rearranged = 0, *next, *tail, i, nr = 0, alloc = 0; + int rearranged = 0, *next, *tail, i, nr = 0; char **subjects; struct commit_todo_item commit_todo; struct todo_item *items = NULL; @@ -6203,12 +6500,15 @@ int todo_list_rearrange_squash(struct todo_list *todo_list) return error(_("the script was already rearranged.")); } - parse_commit(item->commit); - commit_buffer = logmsg_reencode(item->commit, NULL, "UTF-8"); + repo_parse_commit(the_repository, item->commit); + commit_buffer = repo_logmsg_reencode(the_repository, + item->commit, NULL, + "UTF-8"); find_commit_subject(commit_buffer, &subject); format_subject(&buf, subject, " "); subject = subjects[i] = strbuf_detach(&buf, &subject_len); - unuse_commit_buffer(item->commit, commit_buffer); + repo_unuse_commit_buffer(the_repository, item->commit, + commit_buffer); if (skip_fixupish(subject, &p)) { struct commit *commit2; @@ -6274,6 +6574,8 @@ int todo_list_rearrange_squash(struct todo_list *todo_list) } if (rearranged) { + ALLOC_ARRAY(items, todo_list->nr); + for (i = 0; i < todo_list->nr; i++) { enum todo_command command = todo_list->items[i].command; int cur = i; @@ -6286,16 +6588,15 @@ int todo_list_rearrange_squash(struct todo_list *todo_list) continue; while (cur >= 0) { - ALLOC_GROW(items, nr + 1, alloc); items[nr++] = todo_list->items[cur]; cur = next[cur]; } } + assert(nr == todo_list->nr); + todo_list->alloc = nr; FREE_AND_NULL(todo_list->items); todo_list->items = items; - todo_list->nr = nr; - todo_list->alloc = alloc; } free(next); @@ -6318,8 +6619,8 @@ int sequencer_determine_whence(struct repository *r, enum commit_whence *whence) if (file_exists(git_path_seq_dir())) *whence = FROM_CHERRY_PICK_MULTI; if (file_exists(rebase_path()) && - !get_oid("REBASE_HEAD", &rebase_head) && - !get_oid("CHERRY_PICK_HEAD", &cherry_pick_head) && + !repo_get_oid(r, "REBASE_HEAD", &rebase_head) && + !repo_get_oid(r, "CHERRY_PICK_HEAD", &cherry_pick_head) && oideq(&rebase_head, &cherry_pick_head)) *whence = FROM_REBASE_PICK; else |