static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts) { int res; setenv(GIT_REFLOG_ACTION, action_name(opts), 0); if (opts->allow_ff) assert(!(opts->signoff || opts->no_commit || opts->record_origin || opts->edit)); if (read_and_refresh_cache(opts)) return -1; while (todo_list->current < todo_list->nr) { struct todo_item *item = todo_list->items + todo_list->current; if (save_todo(todo_list, opts)) return -1; res = do_pick_commit(item->command, item->commit, opts); todo_list->current++; if (res) return res; } /* * Sequence of picks finished successfully; cleanup by * removing the .git/sequencer directory */ return sequencer_remove_state(opts); }
int sequencer_rollback(struct replay_opts *opts) { FILE *f; unsigned char sha1[20]; struct strbuf buf = STRBUF_INIT; f = fopen(git_path_head_file(), "r"); if (!f && errno == ENOENT) { /* * There is no multiple-cherry-pick in progress. * If CHERRY_PICK_HEAD or REVERT_HEAD indicates * a single-cherry-pick in progress, abort that. */ return rollback_single_pick(); } if (!f) return error_errno(_("cannot open '%s'"), git_path_head_file()); if (strbuf_getline_lf(&buf, f)) { error(_("cannot read '%s': %s"), git_path_head_file(), ferror(f) ? strerror(errno) : _("unexpected end of file")); fclose(f); goto fail; } fclose(f); if (get_sha1_hex(buf.buf, sha1) || buf.buf[40] != '\0') { error(_("stored pre-cherry-pick HEAD file '%s' is corrupt"), git_path_head_file()); goto fail; } if (is_null_sha1(sha1)) { error(_("cannot abort from a branch yet to be born")); goto fail; } if (!rollback_is_safe()) { /* Do not error, just do not rollback */ warning(_("You seem to have moved HEAD. " "Not rewinding, check your HEAD!")); } else if (reset_for_rollback(sha1)) goto fail; strbuf_release(&buf); return sequencer_remove_state(opts); fail: strbuf_release(&buf); return -1; }
static int run_sequencer(int argc, const char **argv, struct replay_opts *opts) { const char * const * usage_str = revert_or_cherry_pick_usage(opts); const char *me = action_name(opts); int cmd = 0; struct option base_options[] = { OPT_CMDMODE(0, "quit", &cmd, N_("end revert or cherry-pick sequence"), 'q'), OPT_CMDMODE(0, "continue", &cmd, N_("resume revert or cherry-pick sequence"), 'c'), OPT_CMDMODE(0, "abort", &cmd, N_("cancel revert or cherry-pick sequence"), 'a'), OPT_BOOL('n', "no-commit", &opts->no_commit, N_("don't automatically commit")), OPT_BOOL('e', "edit", &opts->edit, N_("edit the commit message")), OPT_NOOP_NOARG('r', NULL), OPT_BOOL('s', "signoff", &opts->signoff, N_("add Signed-off-by:")), OPT_CALLBACK('m', "mainline", opts, N_("parent-number"), N_("select mainline parent"), option_parse_m), OPT_RERERE_AUTOUPDATE(&opts->allow_rerere_auto), OPT_STRING(0, "strategy", &opts->strategy, N_("strategy"), N_("merge strategy")), OPT_CALLBACK('X', "strategy-option", &opts, N_("option"), N_("option for merge strategy"), option_parse_x), { OPTION_STRING, 'S', "gpg-sign", &opts->gpg_sign, N_("key-id"), N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, OPT_END() }; struct option *options = base_options; if (opts->action == REPLAY_PICK) { struct option cp_extra[] = { OPT_BOOL('x', NULL, &opts->record_origin, N_("append commit name")), OPT_BOOL(0, "ff", &opts->allow_ff, N_("allow fast-forward")), OPT_BOOL(0, "allow-empty", &opts->allow_empty, N_("preserve initially empty commits")), OPT_BOOL(0, "allow-empty-message", &opts->allow_empty_message, N_("allow commits with empty messages")), OPT_BOOL(0, "keep-redundant-commits", &opts->keep_redundant_commits, N_("keep redundant, empty commits")), OPT_END(), }; options = parse_options_concat(options, cp_extra); } argc = parse_options(argc, argv, NULL, options, usage_str, PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN); /* implies allow_empty */ if (opts->keep_redundant_commits) opts->allow_empty = 1; /* Check for incompatible command line arguments */ if (cmd) { char *this_operation; if (cmd == 'q') this_operation = "--quit"; else if (cmd == 'c') this_operation = "--continue"; else { assert(cmd == 'a'); this_operation = "--abort"; } verify_opt_compatible(me, this_operation, "--no-commit", opts->no_commit, "--signoff", opts->signoff, "--mainline", opts->mainline, "--strategy", opts->strategy ? 1 : 0, "--strategy-option", opts->xopts ? 1 : 0, "-x", opts->record_origin, "--ff", opts->allow_ff, "--rerere-autoupdate", opts->allow_rerere_auto == RERERE_AUTOUPDATE, "--no-rerere-autoupdate", opts->allow_rerere_auto == RERERE_NOAUTOUPDATE, NULL); } if (opts->allow_ff) verify_opt_compatible(me, "--ff", "--signoff", opts->signoff, "--no-commit", opts->no_commit, "-x", opts->record_origin, "--edit", opts->edit, NULL); if (cmd) { opts->revs = NULL; } else { struct setup_revision_opt s_r_opt; opts->revs = xmalloc(sizeof(*opts->revs)); init_revisions(opts->revs, NULL); opts->revs->no_walk = REVISION_WALK_NO_WALK_UNSORTED; if (argc < 2) usage_with_options(usage_str, options); if (!strcmp(argv[1], "-")) argv[1] = "@{-1}"; memset(&s_r_opt, 0, sizeof(s_r_opt)); s_r_opt.assume_dashdash = 1; argc = setup_revisions(argc, argv, opts->revs, &s_r_opt); } if (argc > 1) usage_with_options(usage_str, options); /* These option values will be free()d */ opts->gpg_sign = xstrdup_or_null(opts->gpg_sign); opts->strategy = xstrdup_or_null(opts->strategy); if (cmd == 'q') { int ret = sequencer_remove_state(opts); if (!ret) remove_branch_state(); return ret; } if (cmd == 'c') return sequencer_continue(opts); if (cmd == 'a') return sequencer_rollback(opts); return sequencer_pick_revisions(opts); }