builtin/tag.c

   1 /*
   2  * Builtin "git tag"
   3  *
   4  * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>,
   5  *                    Carlos Rica <jasampler@gmail.com>
   6  * Based on git-tag.sh and mktag.c by Linus Torvalds.
   7  */
   8
   9 #include "builtin.h"
  10 #include "advice.h"
  11 #include "config.h"
  12 #include "editor.h"
  13 #include "environment.h"
  14 #include "gettext.h"
  15 #include "hex.h"
  16 #include "refs.h"
  17 #include "object-name.h"
  18 #include "object-store-ll.h"
  19 #include "path.h"
  20 #include "tag.h"
  21 #include "run-command.h"
  22 #include "parse-options.h"
  23 #include "diff.h"
  24 #include "revision.h"
  25 #include "gpg-interface.h"
  26 #include "oid-array.h"
  27 #include "column.h"
  28 #include "ref-filter.h"
  29 #include "date.h"
  30 #include "write-or-die.h"
  31
  32 static const char * const git_tag_usage[] = {
  33         N_("git tag [-a | -s | -u <key-id>] [-f] [-m <msg> | -F <file>] [-e]\n"
  34            "        <tagname> [<commit> | <object>]"),
  35         N_("git tag -d <tagname>..."),
  36         N_("git tag [-n[<num>]] -l [--contains <commit>] [--no-contains <commit>]\n"
  37            "        [--points-at <object>] [--column[=<options>] | --no-column]\n"
  38            "        [--create-reflog] [--sort=<key>] [--format=<format>]\n"
  39            "        [--merged <commit>] [--no-merged <commit>] [<pattern>...]"),
  40         N_("git tag -v [--format=<format>] <tagname>..."),
  41         NULL
  42 };
  43
  44 static unsigned int colopts;
  45 static int force_sign_annotate;
  46 static int config_sign_tag = -1; /* unspecified */
  47
  48 static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting,
  49                      struct ref_format *format)
  50 {
  51         char *to_free = NULL;
  52
  53         if (filter->lines == -1)
  54                 filter->lines = 0;
  55
  56         if (!format->format) {
  57                 if (filter->lines) {
  58                         to_free = xstrfmt("%s %%(contents:lines=%d)",
  59                                           "%(align:15)%(refname:lstrip=2)%(end)",
  60                                           filter->lines);
  61                         format->format = to_free;
  62                 } else
  63                         format->format = "%(refname:lstrip=2)";
  64         }
  65
  66         if (verify_ref_format(format))
  67                 die(_("unable to parse format string"));
  68         filter->with_commit_tag_algo = 1;
  69         filter_and_format_refs(filter, FILTER_REFS_TAGS, sorting, format);
  70
  71         free(to_free);
  72
  73         return 0;
  74 }
  75
  76 typedef int (*each_tag_name_fn)(const char *name, const char *ref,
  77                                 const struct object_id *oid, void *cb_data);
  78
  79 static int for_each_tag_name(const char **argv, each_tag_name_fn fn,
  80                              void *cb_data)
  81 {
  82         const char **p;
  83         struct strbuf ref = STRBUF_INIT;
  84         int had_error = 0;
  85         struct object_id oid;
  86
  87         for (p = argv; *p; p++) {
  88                 strbuf_reset(&ref);
  89                 strbuf_addf(&ref, "refs/tags/%s", *p);
  90                 if (read_ref(ref.buf, &oid)) {
  91                         error(_("tag '%s' not found."), *p);
  92                         had_error = 1;
  93                         continue;
  94                 }
  95                 if (fn(*p, ref.buf, &oid, cb_data))
  96                         had_error = 1;
  97         }
  98         strbuf_release(&ref);
  99         return had_error;
 100 }
 101
 102 static int collect_tags(const char *name UNUSED, const char *ref,
 103                         const struct object_id *oid, void *cb_data)
 104 {
 105         struct string_list *ref_list = cb_data;
 106
 107         string_list_append(ref_list, ref);
 108         ref_list->items[ref_list->nr - 1].util = oiddup(oid);
 109         return 0;
 110 }
 111
 112 static int delete_tags(const char **argv)
 113 {
 114         int result;
 115         struct string_list refs_to_delete = STRING_LIST_INIT_DUP;
 116         struct string_list_item *item;
 117
 118         result = for_each_tag_name(argv, collect_tags, (void *)&refs_to_delete);
 119         if (delete_refs(NULL, &refs_to_delete, REF_NO_DEREF))
 120                 result = 1;
 121
 122         for_each_string_list_item(item, &refs_to_delete) {
 123                 const char *name = item->string;
 124                 struct object_id *oid = item->util;
 125                 if (!ref_exists(name))
 126                         printf(_("Deleted tag '%s' (was %s)\n"),
 127                                 item->string + 10,
 128                                 repo_find_unique_abbrev(the_repository, oid, DEFAULT_ABBREV));
 129
 130                 free(oid);
 131         }
 132         string_list_clear(&refs_to_delete, 0);
 133         return result;
 134 }
 135
 136 static int verify_tag(const char *name, const char *ref UNUSED,
 137                       const struct object_id *oid, void *cb_data)
 138 {
 139         int flags;
 140         struct ref_format *format = cb_data;
 141         flags = GPG_VERIFY_VERBOSE;
 142
 143         if (format->format)
 144                 flags = GPG_VERIFY_OMIT_STATUS;
 145
 146         if (gpg_verify_tag(oid, name, flags))
 147                 return -1;
 148
 149         if (format->format)
 150                 pretty_print_ref(name, oid, format);
 151
 152         return 0;
 153 }
 154
 155 static int do_sign(struct strbuf *buffer)
 156 {
 157         return sign_buffer(buffer, buffer, get_signing_key());
 158 }
 159
 160 static const char tag_template[] =
 161         N_("\nWrite a message for tag:\n  %s\n"
 162         "Lines starting with '%c' will be ignored.\n");
 163
 164 static const char tag_template_nocleanup[] =
 165         N_("\nWrite a message for tag:\n  %s\n"
 166         "Lines starting with '%c' will be kept; you may remove them"
 167         " yourself if you want to.\n");
 168
 169 static int git_tag_config(const char *var, const char *value,
 170                           const struct config_context *ctx, void *cb)
 171 {
 172         if (!strcmp(var, "tag.gpgsign")) {
 173                 config_sign_tag = git_config_bool(var, value);
 174                 return 0;
 175         }
 176
 177         if (!strcmp(var, "tag.sort")) {
 178                 if (!value)
 179                         return config_error_nonbool(var);
 180                 string_list_append(cb, value);
 181                 return 0;
 182         }
 183
 184         if (!strcmp(var, "tag.forcesignannotated")) {
 185                 force_sign_annotate = git_config_bool(var, value);
 186                 return 0;
 187         }
 188
 189         if (starts_with(var, "column."))
 190                 return git_column_config(var, value, "tag", &colopts);
 191
 192         if (git_color_config(var, value, cb) < 0)
 193                 return -1;
 194
 195         return git_default_config(var, value, ctx, cb);
 196 }
 197
 198 static void write_tag_body(int fd, const struct object_id *oid)
 199 {
 200         unsigned long size;
 201         enum object_type type;
 202         char *buf, *sp, *orig;
 203         struct strbuf payload = STRBUF_INIT;
 204         struct strbuf signature = STRBUF_INIT;
 205
 206         orig = buf = repo_read_object_file(the_repository, oid, &type, &size);
 207         if (!buf)
 208                 return;
 209         if (parse_signature(buf, size, &payload, &signature)) {
 210                 buf = payload.buf;
 211                 size = payload.len;
 212         }
 213         /* skip header */
 214         sp = strstr(buf, "\n\n");
 215
 216         if (!sp || !size || type != OBJ_TAG) {
 217                 free(buf);
 218                 return;
 219         }
 220         sp += 2; /* skip the 2 LFs */
 221         write_or_die(fd, sp, buf + size - sp);
 222
 223         free(orig);
 224         strbuf_release(&payload);
 225         strbuf_release(&signature);
 226 }
 227
 228 static int build_tag_object(struct strbuf *buf, int sign, struct object_id *result)
 229 {
 230         if (sign && do_sign(buf) < 0)
 231                 return error(_("unable to sign the tag"));
 232         if (write_object_file(buf->buf, buf->len, OBJ_TAG, result) < 0)
 233                 return error(_("unable to write tag file"));
 234         return 0;
 235 }
 236
 237 struct create_tag_options {
 238         unsigned int message_given:1;
 239         unsigned int use_editor:1;
 240         unsigned int sign;
 241         enum {
 242                 CLEANUP_NONE,
 243                 CLEANUP_SPACE,
 244                 CLEANUP_ALL
 245         } cleanup_mode;
 246 };
 247
 248 static const char message_advice_nested_tag[] =
 249         N_("You have created a nested tag. The object referred to by your new tag is\n"
 250            "already a tag. If you meant to tag the object that it points to, use:\n"
 251            "\n"
 252            "\tgit tag -f %s %s^{}");
 253
 254 static void create_tag(const struct object_id *object, const char *object_ref,
 255                        const char *tag,
 256                        struct strbuf *buf, struct create_tag_options *opt,
 257                        struct object_id *prev, struct object_id *result, char *path)
 258 {
 259         enum object_type type;
 260         struct strbuf header = STRBUF_INIT;
 261
 262         type = oid_object_info(the_repository, object, NULL);
 263         if (type <= OBJ_NONE)
 264                 die(_("bad object type."));
 265
 266         if (type == OBJ_TAG)
 267                 advise_if_enabled(ADVICE_NESTED_TAG, _(message_advice_nested_tag),
 268                                   tag, object_ref);
 269
 270         strbuf_addf(&header,
 271                     "object %s\n"
 272                     "type %s\n"
 273                     "tag %s\n"
 274                     "tagger %s\n\n",
 275                     oid_to_hex(object),
 276                     type_name(type),
 277                     tag,
 278                     git_committer_info(IDENT_STRICT));
 279
 280         if (!opt->message_given || opt->use_editor) {
 281                 int fd;
 282
 283                 /* write the template message before editing: */
 284                 fd = xopen(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
 285
 286                 if (opt->message_given) {
 287                         write_or_die(fd, buf->buf, buf->len);
 288                         strbuf_reset(buf);
 289                 } else if (!is_null_oid(prev)) {
 290                         write_tag_body(fd, prev);
 291                 } else {
 292                         struct strbuf buf = STRBUF_INIT;
 293                         strbuf_addch(&buf, '\n');
 294                         if (opt->cleanup_mode == CLEANUP_ALL)
 295                                 strbuf_commented_addf(&buf, comment_line_char,
 296                                       _(tag_template), tag, comment_line_char);
 297                         else
 298                                 strbuf_commented_addf(&buf, comment_line_char,
 299                                       _(tag_template_nocleanup), tag, comment_line_char);
 300                         write_or_die(fd, buf.buf, buf.len);
 301                         strbuf_release(&buf);
 302                 }
 303                 close(fd);
 304
 305                 if (launch_editor(path, buf, NULL)) {
 306                         fprintf(stderr,
 307                         _("Please supply the message using either -m or -F option.\n"));
 308                         exit(1);
 309                 }
 310         }
 311
 312         if (opt->cleanup_mode != CLEANUP_NONE)
 313                 strbuf_stripspace(buf,
 314                   opt->cleanup_mode == CLEANUP_ALL ? comment_line_char : '\0');
 315
 316         if (!opt->message_given && !buf->len)
 317                 die(_("no tag message?"));
 318
 319         strbuf_insert(buf, 0, header.buf, header.len);
 320         strbuf_release(&header);
 321
 322         if (build_tag_object(buf, opt->sign, result) < 0) {
 323                 if (path)
 324                         fprintf(stderr, _("The tag message has been left in %s\n"),
 325                                 path);
 326                 exit(128);
 327         }
 328 }
 329
 330 static void create_reflog_msg(const struct object_id *oid, struct strbuf *sb)
 331 {
 332         enum object_type type;
 333         struct commit *c;
 334         char *buf;
 335         unsigned long size;
 336         int subject_len = 0;
 337         const char *subject_start;
 338
 339         char *rla = getenv("GIT_REFLOG_ACTION");
 340         if (rla) {
 341                 strbuf_addstr(sb, rla);
 342         } else {
 343                 strbuf_addstr(sb, "tag: tagging ");
 344                 strbuf_add_unique_abbrev(sb, oid, DEFAULT_ABBREV);
 345         }
 346
 347         strbuf_addstr(sb, " (");
 348         type = oid_object_info(the_repository, oid, NULL);
 349         switch (type) {
 350         default:
 351                 strbuf_addstr(sb, "object of unknown type");
 352                 break;
 353         case OBJ_COMMIT:
 354                 if ((buf = repo_read_object_file(the_repository, oid, &type, &size))) {
 355                         subject_len = find_commit_subject(buf, &subject_start);
 356                         strbuf_insert(sb, sb->len, subject_start, subject_len);
 357                 } else {
 358                         strbuf_addstr(sb, "commit object");
 359                 }
 360                 free(buf);
 361
 362                 if ((c = lookup_commit_reference(the_repository, oid)))
 363                         strbuf_addf(sb, ", %s", show_date(c->date, 0, DATE_MODE(SHORT)));
 364                 break;
 365         case OBJ_TREE:
 366                 strbuf_addstr(sb, "tree object");
 367                 break;
 368         case OBJ_BLOB:
 369                 strbuf_addstr(sb, "blob object");
 370                 break;
 371         case OBJ_TAG:
 372                 strbuf_addstr(sb, "other tag object");
 373                 break;
 374         }
 375         strbuf_addch(sb, ')');
 376 }
 377
 378 struct msg_arg {
 379         int given;
 380         struct strbuf buf;
 381 };
 382
 383 static int parse_msg_arg(const struct option *opt, const char *arg, int unset)
 384 {
 385         struct msg_arg *msg = opt->value;
 386
 387         BUG_ON_OPT_NEG(unset);
 388
 389         if (!arg)
 390                 return -1;
 391         if (msg->buf.len)
 392                 strbuf_addstr(&(msg->buf), "\n\n");
 393         strbuf_addstr(&(msg->buf), arg);
 394         msg->given = 1;
 395         return 0;
 396 }
 397
 398 static int strbuf_check_tag_ref(struct strbuf *sb, const char *name)
 399 {
 400         if (name[0] == '-')
 401                 return -1;
 402
 403         strbuf_reset(sb);
 404         strbuf_addf(sb, "refs/tags/%s", name);
 405
 406         return check_refname_format(sb->buf, 0);
 407 }
 408
 409 int cmd_tag(int argc, const char **argv, const char *prefix)
 410 {
 411         struct strbuf buf = STRBUF_INIT;
 412         struct strbuf ref = STRBUF_INIT;
 413         struct strbuf reflog_msg = STRBUF_INIT;
 414         struct object_id object, prev;
 415         const char *object_ref, *tag;
 416         struct create_tag_options opt;
 417         char *cleanup_arg = NULL;
 418         int create_reflog = 0;
 419         int annotate = 0, force = 0;
 420         int cmdmode = 0, create_tag_object = 0;
 421         char *msgfile = NULL;
 422         const char *keyid = NULL;
 423         struct msg_arg msg = { .buf = STRBUF_INIT };
 424         struct ref_transaction *transaction;
 425         struct strbuf err = STRBUF_INIT;
 426         struct ref_filter filter = REF_FILTER_INIT;
 427         struct ref_sorting *sorting;
 428         struct string_list sorting_options = STRING_LIST_INIT_DUP;
 429         struct ref_format format = REF_FORMAT_INIT;
 430         int icase = 0;
 431         int edit_flag = 0;
 432         struct option options[] = {
 433                 OPT_CMDMODE('l', "list", &cmdmode, N_("list tag names"), 'l'),
 434                 { OPTION_INTEGER, 'n', NULL, &filter.lines, N_("n"),
 435                                 N_("print <n> lines of each tag message"),
 436                                 PARSE_OPT_OPTARG, NULL, 1 },
 437                 OPT_CMDMODE('d', "delete", &cmdmode, N_("delete tags"), 'd'),
 438                 OPT_CMDMODE('v', "verify", &cmdmode, N_("verify tags"), 'v'),
 439
 440                 OPT_GROUP(N_("Tag creation options")),
 441                 OPT_BOOL('a', "annotate", &annotate,
 442                                         N_("annotated tag, needs a message")),
 443                 OPT_CALLBACK_F('m', "message", &msg, N_("message"),
 444                                N_("tag message"), PARSE_OPT_NONEG, parse_msg_arg),
 445                 OPT_FILENAME('F', "file", &msgfile, N_("read message from file")),
 446                 OPT_BOOL('e', "edit", &edit_flag, N_("force edit of tag message")),
 447                 OPT_BOOL('s', "sign", &opt.sign, N_("annotated and GPG-signed tag")),
 448                 OPT_CLEANUP(&cleanup_arg),
 449                 OPT_STRING('u', "local-user", &keyid, N_("key-id"),
 450                                         N_("use another key to sign the tag")),
 451                 OPT__FORCE(&force, N_("replace the tag if exists"), 0),
 452                 OPT_BOOL(0, "create-reflog", &create_reflog, N_("create a reflog")),
 453
 454                 OPT_GROUP(N_("Tag listing options")),
 455                 OPT_COLUMN(0, "column", &colopts, N_("show tag list in columns")),
 456                 OPT_CONTAINS(&filter.with_commit, N_("print only tags that contain the commit")),
 457                 OPT_NO_CONTAINS(&filter.no_commit, N_("print only tags that don't contain the commit")),
 458                 OPT_WITH(&filter.with_commit, N_("print only tags that contain the commit")),
 459                 OPT_WITHOUT(&filter.no_commit, N_("print only tags that don't contain the commit")),
 460                 OPT_MERGED(&filter, N_("print only tags that are merged")),
 461                 OPT_NO_MERGED(&filter, N_("print only tags that are not merged")),
 462                 OPT_BOOL(0, "omit-empty",  &format.array_opts.omit_empty,
 463                         N_("do not output a newline after empty formatted refs")),
 464                 OPT_REF_SORT(&sorting_options),
 465                 {
 466                         OPTION_CALLBACK, 0, "points-at", &filter.points_at, N_("object"),
 467                         N_("print only tags of the object"), PARSE_OPT_LASTARG_DEFAULT,
 468                         parse_opt_object_name, (intptr_t) "HEAD"
 469                 },
 470                 OPT_STRING(  0 , "format", &format.format, N_("format"),
 471                            N_("format to use for the output")),
 472                 OPT__COLOR(&format.use_color, N_("respect format colors")),
 473                 OPT_BOOL('i', "ignore-case", &icase, N_("sorting and filtering are case insensitive")),
 474                 OPT_END()
 475         };
 476         int ret = 0;
 477         const char *only_in_list = NULL;
 478         char *path = NULL;
 479
 480         setup_ref_filter_porcelain_msg();
 481
 482         /*
 483          * Try to set sort keys from config. If config does not set any,
 484          * fall back on default (refname) sorting.
 485          */
 486         git_config(git_tag_config, &sorting_options);
 487         if (!sorting_options.nr)
 488                 string_list_append(&sorting_options, "refname");
 489
 490         memset(&opt, 0, sizeof(opt));
 491         filter.lines = -1;
 492         opt.sign = -1;
 493
 494         argc = parse_options(argc, argv, prefix, options, git_tag_usage, 0);
 495
 496         if (!cmdmode) {
 497                 if (argc == 0)
 498                         cmdmode = 'l';
 499                 else if (filter.with_commit || filter.no_commit ||
 500                          filter.reachable_from || filter.unreachable_from ||
 501                          filter.points_at.nr || filter.lines != -1)
 502                         cmdmode = 'l';
 503         }
 504
 505         if (cmdmode == 'l')
 506                 setup_auto_pager("tag", 1);
 507
 508         if (opt.sign == -1)
 509                 opt.sign = cmdmode ? 0 : config_sign_tag > 0;
 510
 511         if (keyid) {
 512                 opt.sign = 1;
 513                 set_signing_key(keyid);
 514         }
 515         create_tag_object = (opt.sign || annotate || msg.given || msgfile);
 516
 517         if ((create_tag_object || force) && (cmdmode != 0))
 518                 usage_with_options(git_tag_usage, options);
 519
 520         finalize_colopts(&colopts, -1);
 521         if (cmdmode == 'l' && filter.lines != -1) {
 522                 if (explicitly_enable_column(colopts))
 523                         die(_("options '%s' and '%s' cannot be used together"), "--column", "-n");
 524                 colopts = 0;
 525         }
 526         sorting = ref_sorting_options(&sorting_options);
 527         ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase);
 528         filter.ignore_case = icase;
 529         if (cmdmode == 'l') {
 530                 if (column_active(colopts)) {
 531                         struct column_options copts;
 532                         memset(&copts, 0, sizeof(copts));
 533                         copts.padding = 2;
 534                         run_column_filter(colopts, &copts);
 535                 }
 536                 filter.name_patterns = argv;
 537                 ret = list_tags(&filter, sorting, &format);
 538                 if (column_active(colopts))
 539                         stop_column_filter();
 540                 goto cleanup;
 541         }
 542         if (filter.lines != -1)
 543                 only_in_list = "-n";
 544         else if (filter.with_commit)
 545                 only_in_list = "--contains";
 546         else if (filter.no_commit)
 547                 only_in_list = "--no-contains";
 548         else if (filter.points_at.nr)
 549                 only_in_list = "--points-at";
 550         else if (filter.reachable_from)
 551                 only_in_list = "--merged";
 552         else if (filter.unreachable_from)
 553                 only_in_list = "--no-merged";
 554         if (only_in_list)
 555                 die(_("the '%s' option is only allowed in list mode"), only_in_list);
 556         if (cmdmode == 'd') {
 557                 ret = delete_tags(argv);
 558                 goto cleanup;
 559         }
 560         if (cmdmode == 'v') {
 561                 if (format.format && verify_ref_format(&format))
 562                         usage_with_options(git_tag_usage, options);
 563                 ret = for_each_tag_name(argv, verify_tag, &format);
 564                 goto cleanup;
 565         }
 566
 567         if (msg.given || msgfile) {
 568                 if (msg.given && msgfile)
 569                         die(_("options '%s' and '%s' cannot be used together"), "-F", "-m");
 570                 if (msg.given)
 571                         strbuf_addbuf(&buf, &(msg.buf));
 572                 else {
 573                         if (!strcmp(msgfile, "-")) {
 574                                 if (strbuf_read(&buf, 0, 1024) < 0)
 575                                         die_errno(_("cannot read '%s'"), msgfile);
 576                         } else {
 577                                 if (strbuf_read_file(&buf, msgfile, 1024) < 0)
 578                                         die_errno(_("could not open or read '%s'"),
 579                                                 msgfile);
 580                         }
 581                 }
 582         }
 583
 584         tag = argv[0];
 585
 586         object_ref = argc == 2 ? argv[1] : "HEAD";
 587         if (argc > 2)
 588                 die(_("too many arguments"));
 589
 590         if (repo_get_oid(the_repository, object_ref, &object))
 591                 die(_("Failed to resolve '%s' as a valid ref."), object_ref);
 592
 593         if (strbuf_check_tag_ref(&ref, tag))
 594                 die(_("'%s' is not a valid tag name."), tag);
 595
 596         if (read_ref(ref.buf, &prev))
 597                 oidclr(&prev);
 598         else if (!force)
 599                 die(_("tag '%s' already exists"), tag);
 600
 601         opt.message_given = msg.given || msgfile;
 602         opt.use_editor = edit_flag;
 603
 604         if (!cleanup_arg || !strcmp(cleanup_arg, "strip"))
 605                 opt.cleanup_mode = CLEANUP_ALL;
 606         else if (!strcmp(cleanup_arg, "verbatim"))
 607                 opt.cleanup_mode = CLEANUP_NONE;
 608         else if (!strcmp(cleanup_arg, "whitespace"))
 609                 opt.cleanup_mode = CLEANUP_SPACE;
 610         else
 611                 die(_("Invalid cleanup mode %s"), cleanup_arg);
 612
 613         create_reflog_msg(&object, &reflog_msg);
 614
 615         if (create_tag_object) {
 616                 if (force_sign_annotate && !annotate)
 617                         opt.sign = 1;
 618                 path = git_pathdup("TAG_EDITMSG");
 619                 create_tag(&object, object_ref, tag, &buf, &opt, &prev, &object,
 620                            path);
 621         }
 622
 623         transaction = ref_transaction_begin(&err);
 624         if (!transaction ||
 625             ref_transaction_update(transaction, ref.buf, &object, &prev,
 626                                    create_reflog ? REF_FORCE_CREATE_REFLOG : 0,
 627                                    reflog_msg.buf, &err) ||
 628             ref_transaction_commit(transaction, &err)) {
 629                 if (path)
 630                         fprintf(stderr,
 631                                 _("The tag message has been left in %s\n"),
 632                                 path);
 633                 die("%s", err.buf);
 634         }
 635         if (path) {
 636                 unlink_or_warn(path);
 637                 free(path);
 638         }
 639         ref_transaction_free(transaction);
 640         if (force && !is_null_oid(&prev) && !oideq(&prev, &object))
 641                 printf(_("Updated tag '%s' (was %s)\n"), tag,
 642                        repo_find_unique_abbrev(the_repository, &prev, DEFAULT_ABBREV));
 643
 644 cleanup:
 645         ref_sorting_release(sorting);
 646         ref_filter_clear(&filter);
 647         strbuf_release(&buf);
 648         strbuf_release(&ref);
 649         strbuf_release(&reflog_msg);
 650         strbuf_release(&msg.buf);
 651         strbuf_release(&err);
 652         free(msgfile);
 653         return ret;
 654 }