builtin-remote.c

   1 #include "cache.h"
   2 #include "parse-options.h"
   3 #include "transport.h"
   4 #include "remote.h"
   5 #include "string-list.h"
   6 #include "strbuf.h"
   7 #include "run-command.h"
   8 #include "refs.h"
   9
  10 static const char * const builtin_remote_usage[] = {
  11         "git remote",
  12         "git remote add <name> <url>",
  13         "git remote rm <name>",
  14         "git remote show <name>",
  15         "git remote prune <name>",
  16         "git remote update [group]",
  17         NULL
  18 };
  19
  20 static int verbose;
  21
  22 static int show_all(void);
  23
  24 static inline int postfixcmp(const char *string, const char *postfix)
  25 {
  26         int len1 = strlen(string), len2 = strlen(postfix);
  27         if (len1 < len2)
  28                 return 1;
  29         return strcmp(string + len1 - len2, postfix);
  30 }
  31
  32 static int opt_parse_track(const struct option *opt, const char *arg, int not)
  33 {
  34         struct string_list *list = opt->value;
  35         if (not)
  36                 string_list_clear(list, 0);
  37         else
  38                 string_list_append(arg, list);
  39         return 0;
  40 }
  41
  42 static int fetch_remote(const char *name)
  43 {
  44         const char *argv[] = { "fetch", name, NULL };
  45         printf("Updating %s\n", name);
  46         if (run_command_v_opt(argv, RUN_GIT_CMD))
  47                 return error("Could not fetch %s", name);
  48         return 0;
  49 }
  50
  51 static int add(int argc, const char **argv)
  52 {
  53         int fetch = 0, mirror = 0;
  54         struct string_list track = { NULL, 0, 0 };
  55         const char *master = NULL;
  56         struct remote *remote;
  57         struct strbuf buf, buf2;
  58         const char *name, *url;
  59         int i;
  60
  61         struct option options[] = {
  62                 OPT_GROUP("add specific options"),
  63                 OPT_BOOLEAN('f', "fetch", &fetch, "fetch the remote branches"),
  64                 OPT_CALLBACK('t', "track", &track, "branch",
  65                         "branch(es) to track", opt_parse_track),
  66                 OPT_STRING('m', "master", &master, "branch", "master branch"),
  67                 OPT_BOOLEAN(0, "mirror", &mirror, "no separate remotes"),
  68                 OPT_END()
  69         };
  70
  71         argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
  72
  73         if (argc < 2)
  74                 usage_with_options(builtin_remote_usage, options);
  75
  76         name = argv[0];
  77         url = argv[1];
  78
  79         remote = remote_get(name);
  80         if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
  81                         remote->fetch_refspec_nr))
  82                 die("remote %s already exists.", name);
  83
  84         strbuf_init(&buf, 0);
  85         strbuf_init(&buf2, 0);
  86
  87         strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
  88         if (!valid_fetch_refspec(buf2.buf))
  89                 die("'%s' is not a valid remote name", name);
  90
  91         strbuf_addf(&buf, "remote.%s.url", name);
  92         if (git_config_set(buf.buf, url))
  93                 return 1;
  94
  95         strbuf_reset(&buf);
  96         strbuf_addf(&buf, "remote.%s.fetch", name);
  97
  98         if (track.nr == 0)
  99                 string_list_append("*", &track);
 100         for (i = 0; i < track.nr; i++) {
 101                 struct string_list_item *item = track.items + i;
 102
 103                 strbuf_reset(&buf2);
 104                 strbuf_addch(&buf2, '+');
 105                 if (mirror)
 106                         strbuf_addf(&buf2, "refs/%s:refs/%s",
 107                                         item->string, item->string);
 108                 else
 109                         strbuf_addf(&buf2, "refs/heads/%s:refs/remotes/%s/%s",
 110                                         item->string, name, item->string);
 111                 if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
 112                         return 1;
 113         }
 114
 115         if (mirror) {
 116                 strbuf_reset(&buf);
 117                 strbuf_addf(&buf, "remote.%s.mirror", name);
 118                 if (git_config_set(buf.buf, "true"))
 119                         return 1;
 120         }
 121
 122         if (fetch && fetch_remote(name))
 123                 return 1;
 124
 125         if (master) {
 126                 strbuf_reset(&buf);
 127                 strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
 128
 129                 strbuf_reset(&buf2);
 130                 strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
 131
 132                 if (create_symref(buf.buf, buf2.buf, "remote add"))
 133                         return error("Could not setup master '%s'", master);
 134         }
 135
 136         strbuf_release(&buf);
 137         strbuf_release(&buf2);
 138         string_list_clear(&track, 0);
 139
 140         return 0;
 141 }
 142
 143 struct branch_info {
 144         char *remote;
 145         struct string_list merge;
 146 };
 147
 148 static struct string_list branch_list;
 149
 150 static const char *abbrev_ref(const char *name, const char *prefix)
 151 {
 152         const char *abbrev = skip_prefix(name, prefix);
 153         if (abbrev)
 154                 return abbrev;
 155         return name;
 156 }
 157 #define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
 158
 159 static int config_read_branches(const char *key, const char *value, void *cb)
 160 {
 161         if (!prefixcmp(key, "branch.")) {
 162                 char *name;
 163                 struct string_list_item *item;
 164                 struct branch_info *info;
 165                 enum { REMOTE, MERGE } type;
 166
 167                 key += 7;
 168                 if (!postfixcmp(key, ".remote")) {
 169                         name = xstrndup(key, strlen(key) - 7);
 170                         type = REMOTE;
 171                 } else if (!postfixcmp(key, ".merge")) {
 172                         name = xstrndup(key, strlen(key) - 6);
 173                         type = MERGE;
 174                 } else
 175                         return 0;
 176
 177                 item = string_list_insert(name, &branch_list);
 178
 179                 if (!item->util)
 180                         item->util = xcalloc(sizeof(struct branch_info), 1);
 181                 info = item->util;
 182                 if (type == REMOTE) {
 183                         if (info->remote)
 184                                 warning("more than one branch.%s", key);
 185                         info->remote = xstrdup(value);
 186                 } else {
 187                         char *space = strchr(value, ' ');
 188                         value = abbrev_branch(value);
 189                         while (space) {
 190                                 char *merge;
 191                                 merge = xstrndup(value, space - value);
 192                                 string_list_append(merge, &info->merge);
 193                                 value = abbrev_branch(space + 1);
 194                                 space = strchr(value, ' ');
 195                         }
 196                         string_list_append(xstrdup(value), &info->merge);
 197                 }
 198         }
 199         return 0;
 200 }
 201
 202 static void read_branches(void)
 203 {
 204         if (branch_list.nr)
 205                 return;
 206         git_config(config_read_branches, NULL);
 207         sort_string_list(&branch_list);
 208 }
 209
 210 struct ref_states {
 211         struct remote *remote;
 212         struct string_list new, stale, tracked;
 213 };
 214
 215 static int handle_one_branch(const char *refname,
 216         const unsigned char *sha1, int flags, void *cb_data)
 217 {
 218         struct ref_states *states = cb_data;
 219         struct refspec refspec;
 220
 221         memset(&refspec, 0, sizeof(refspec));
 222         refspec.dst = (char *)refname;
 223         if (!remote_find_tracking(states->remote, &refspec)) {
 224                 struct string_list_item *item;
 225                 const char *name = abbrev_branch(refspec.src);
 226                 /* symbolic refs pointing nowhere were handled already */
 227                 if ((flags & REF_ISSYMREF) ||
 228                                 unsorted_string_list_has_string(&states->tracked,
 229                                         name) ||
 230                                 unsorted_string_list_has_string(&states->new,
 231                                         name))
 232                         return 0;
 233                 item = string_list_append(name, &states->stale);
 234                 item->util = xstrdup(refname);
 235         }
 236         return 0;
 237 }
 238
 239 static int get_ref_states(const struct ref *ref, struct ref_states *states)
 240 {
 241         struct ref *fetch_map = NULL, **tail = &fetch_map;
 242         int i;
 243
 244         for (i = 0; i < states->remote->fetch_refspec_nr; i++)
 245                 if (get_fetch_map(ref, states->remote->fetch + i, &tail, 1))
 246                         die("Could not get fetch map for refspec %s",
 247                                 states->remote->fetch_refspec[i]);
 248
 249         states->new.strdup_strings = states->tracked.strdup_strings = 1;
 250         for (ref = fetch_map; ref; ref = ref->next) {
 251                 struct string_list *target = &states->tracked;
 252                 unsigned char sha1[20];
 253                 void *util = NULL;
 254
 255                 if (!ref->peer_ref || read_ref(ref->peer_ref->name, sha1))
 256                         target = &states->new;
 257                 else {
 258                         target = &states->tracked;
 259                         if (hashcmp(sha1, ref->new_sha1))
 260                                 util = &states;
 261                 }
 262                 string_list_append(abbrev_branch(ref->name), target)->util = util;
 263         }
 264         free_refs(fetch_map);
 265
 266         for_each_ref(handle_one_branch, states);
 267         sort_string_list(&states->stale);
 268
 269         return 0;
 270 }
 271
 272 struct known_remote {
 273         struct known_remote *next;
 274         struct remote *remote;
 275 };
 276
 277 struct known_remotes {
 278         struct remote *to_delete;
 279         struct known_remote *list;
 280 };
 281
 282 static int add_known_remote(struct remote *remote, void *cb_data)
 283 {
 284         struct known_remotes *all = cb_data;
 285         struct known_remote *r;
 286
 287         if (!strcmp(all->to_delete->name, remote->name))
 288                 return 0;
 289
 290         r = xmalloc(sizeof(*r));
 291         r->remote = remote;
 292         r->next = all->list;
 293         all->list = r;
 294         return 0;
 295 }
 296
 297 struct branches_for_remote {
 298         struct remote *remote;
 299         struct string_list *branches, *skipped;
 300         struct known_remotes *keep;
 301 };
 302
 303 static int add_branch_for_removal(const char *refname,
 304         const unsigned char *sha1, int flags, void *cb_data)
 305 {
 306         struct branches_for_remote *branches = cb_data;
 307         struct refspec refspec;
 308         struct string_list_item *item;
 309         struct known_remote *kr;
 310
 311         memset(&refspec, 0, sizeof(refspec));
 312         refspec.dst = (char *)refname;
 313         if (remote_find_tracking(branches->remote, &refspec))
 314                 return 0;
 315
 316         /* don't delete a branch if another remote also uses it */
 317         for (kr = branches->keep->list; kr; kr = kr->next) {
 318                 memset(&refspec, 0, sizeof(refspec));
 319                 refspec.dst = (char *)refname;
 320                 if (!remote_find_tracking(kr->remote, &refspec))
 321                         return 0;
 322         }
 323
 324         /* don't delete non-remote refs */
 325         if (prefixcmp(refname, "refs/remotes")) {
 326                 /* advise user how to delete local branches */
 327                 if (!prefixcmp(refname, "refs/heads/"))
 328                         string_list_append(abbrev_branch(refname),
 329                                            branches->skipped);
 330                 /* silently skip over other non-remote refs */
 331                 return 0;
 332         }
 333
 334         /* make sure that symrefs are deleted */
 335         if (flags & REF_ISSYMREF)
 336                 return unlink(git_path("%s", refname));
 337
 338         item = string_list_append(refname, branches->branches);
 339         item->util = xmalloc(20);
 340         hashcpy(item->util, sha1);
 341
 342         return 0;
 343 }
 344
 345 static int remove_branches(struct string_list *branches)
 346 {
 347         int i, result = 0;
 348         for (i = 0; i < branches->nr; i++) {
 349                 struct string_list_item *item = branches->items + i;
 350                 const char *refname = item->string;
 351                 unsigned char *sha1 = item->util;
 352
 353                 if (delete_ref(refname, sha1, 0))
 354                         result |= error("Could not remove branch %s", refname);
 355         }
 356         return result;
 357 }
 358
 359 static int rm(int argc, const char **argv)
 360 {
 361         struct option options[] = {
 362                 OPT_END()
 363         };
 364         struct remote *remote;
 365         struct strbuf buf;
 366         struct known_remotes known_remotes = { NULL, NULL };
 367         struct string_list branches = { NULL, 0, 0, 1 };
 368         struct string_list skipped = { NULL, 0, 0, 1 };
 369         struct branches_for_remote cb_data = {
 370                 NULL, &branches, &skipped, &known_remotes
 371         };
 372         int i, result;
 373
 374         if (argc != 2)
 375                 usage_with_options(builtin_remote_usage, options);
 376
 377         remote = remote_get(argv[1]);
 378         if (!remote)
 379                 die("No such remote: %s", argv[1]);
 380
 381         known_remotes.to_delete = remote;
 382         for_each_remote(add_known_remote, &known_remotes);
 383
 384         strbuf_init(&buf, 0);
 385         strbuf_addf(&buf, "remote.%s", remote->name);
 386         if (git_config_rename_section(buf.buf, NULL) < 1)
 387                 return error("Could not remove config section '%s'", buf.buf);
 388
 389         read_branches();
 390         for (i = 0; i < branch_list.nr; i++) {
 391                 struct string_list_item *item = branch_list.items + i;
 392                 struct branch_info *info = item->util;
 393                 if (info->remote && !strcmp(info->remote, remote->name)) {
 394                         const char *keys[] = { "remote", "merge", NULL }, **k;
 395                         for (k = keys; *k; k++) {
 396                                 strbuf_reset(&buf);
 397                                 strbuf_addf(&buf, "branch.%s.%s",
 398                                                 item->string, *k);
 399                                 if (git_config_set(buf.buf, NULL)) {
 400                                         strbuf_release(&buf);
 401                                         return -1;
 402                                 }
 403                         }
 404                 }
 405         }
 406
 407         /*
 408          * We cannot just pass a function to for_each_ref() which deletes
 409          * the branches one by one, since for_each_ref() relies on cached
 410          * refs, which are invalidated when deleting a branch.
 411          */
 412         cb_data.remote = remote;
 413         result = for_each_ref(add_branch_for_removal, &cb_data);
 414         strbuf_release(&buf);
 415
 416         if (!result)
 417                 result = remove_branches(&branches);
 418         string_list_clear(&branches, 1);
 419
 420         if (skipped.nr) {
 421                 fprintf(stderr, skipped.nr == 1 ?
 422                         "Note: A non-remote branch was not removed; "
 423                         "to delete it, use:\n" :
 424                         "Note: Non-remote branches were not removed; "
 425                         "to delete them, use:\n");
 426                 for (i = 0; i < skipped.nr; i++)
 427                         fprintf(stderr, "  git branch -d %s\n",
 428                                 skipped.items[i].string);
 429         }
 430         string_list_clear(&skipped, 0);
 431
 432         return result;
 433 }
 434
 435 static void show_list(const char *title, struct string_list *list,
 436                       const char *extra_arg)
 437 {
 438         int i;
 439
 440         if (!list->nr)
 441                 return;
 442
 443         printf(title, list->nr > 1 ? "es" : "", extra_arg);
 444         printf("\n    ");
 445         for (i = 0; i < list->nr; i++)
 446                 printf("%s%s", i ? " " : "", list->items[i].string);
 447         printf("\n");
 448 }
 449
 450 static int get_remote_ref_states(const char *name,
 451                                  struct ref_states *states,
 452                                  int query)
 453 {
 454         struct transport *transport;
 455         const struct ref *ref;
 456
 457         states->remote = remote_get(name);
 458         if (!states->remote)
 459                 return error("No such remote: %s", name);
 460
 461         read_branches();
 462
 463         if (query) {
 464                 transport = transport_get(NULL, states->remote->url_nr > 0 ?
 465                         states->remote->url[0] : NULL);
 466                 ref = transport_get_remote_refs(transport);
 467                 transport_disconnect(transport);
 468
 469                 get_ref_states(ref, states);
 470         }
 471
 472         return 0;
 473 }
 474
 475 static int append_ref_to_tracked_list(const char *refname,
 476         const unsigned char *sha1, int flags, void *cb_data)
 477 {
 478         struct ref_states *states = cb_data;
 479         struct refspec refspec;
 480
 481         memset(&refspec, 0, sizeof(refspec));
 482         refspec.dst = (char *)refname;
 483         if (!remote_find_tracking(states->remote, &refspec))
 484                 string_list_append(abbrev_branch(refspec.src), &states->tracked);
 485
 486         return 0;
 487 }
 488
 489 static int show(int argc, const char **argv)
 490 {
 491         int no_query = 0, result = 0;
 492         struct option options[] = {
 493                 OPT_GROUP("show specific options"),
 494                 OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
 495                 OPT_END()
 496         };
 497         struct ref_states states;
 498
 499         argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
 500
 501         if (argc < 1)
 502                 return show_all();
 503
 504         memset(&states, 0, sizeof(states));
 505         for (; argc; argc--, argv++) {
 506                 int i;
 507
 508                 get_remote_ref_states(*argv, &states, !no_query);
 509
 510                 printf("* remote %s\n  URL: %s\n", *argv,
 511                         states.remote->url_nr > 0 ?
 512                                 states.remote->url[0] : "(no URL)");
 513
 514                 for (i = 0; i < branch_list.nr; i++) {
 515                         struct string_list_item *branch = branch_list.items + i;
 516                         struct branch_info *info = branch->util;
 517                         int j;
 518
 519                         if (!info->merge.nr || strcmp(*argv, info->remote))
 520                                 continue;
 521                         printf("  Remote branch%s merged with 'git pull' "
 522                                 "while on branch %s\n   ",
 523                                 info->merge.nr > 1 ? "es" : "",
 524                                 branch->string);
 525                         for (j = 0; j < info->merge.nr; j++)
 526                                 printf(" %s", info->merge.items[j].string);
 527                         printf("\n");
 528                 }
 529
 530                 if (!no_query) {
 531                         show_list("  New remote branch%s (next fetch "
 532                                 "will store in remotes/%s)",
 533                                 &states.new, states.remote->name);
 534                         show_list("  Stale tracking branch%s (use 'git remote "
 535                                 "prune')", &states.stale, "");
 536                 }
 537
 538                 if (no_query)
 539                         for_each_ref(append_ref_to_tracked_list, &states);
 540                 show_list("  Tracked remote branch%s", &states.tracked, "");
 541
 542                 if (states.remote->push_refspec_nr) {
 543                         printf("  Local branch%s pushed with 'git push'\n   ",
 544                                 states.remote->push_refspec_nr > 1 ?
 545                                         "es" : "");
 546                         for (i = 0; i < states.remote->push_refspec_nr; i++) {
 547                                 struct refspec *spec = states.remote->push + i;
 548                                 printf(" %s%s%s%s", spec->force ? "+" : "",
 549                                        abbrev_branch(spec->src),
 550                                        spec->dst ? ":" : "",
 551                                        spec->dst ? abbrev_branch(spec->dst) : "");
 552                         }
 553                         printf("\n");
 554                 }
 555
 556                 /* NEEDSWORK: free remote */
 557                 string_list_clear(&states.new, 0);
 558                 string_list_clear(&states.stale, 0);
 559                 string_list_clear(&states.tracked, 0);
 560         }
 561
 562         return result;
 563 }
 564
 565 static int prune(int argc, const char **argv)
 566 {
 567         int dry_run = 0, result = 0;
 568         struct option options[] = {
 569                 OPT_GROUP("prune specific options"),
 570                 OPT__DRY_RUN(&dry_run),
 571                 OPT_END()
 572         };
 573         struct ref_states states;
 574
 575         argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
 576
 577         if (argc < 1)
 578                 usage_with_options(builtin_remote_usage, options);
 579
 580         memset(&states, 0, sizeof(states));
 581         for (; argc; argc--, argv++) {
 582                 int i;
 583
 584                 get_remote_ref_states(*argv, &states, 1);
 585
 586                 if (states.stale.nr) {
 587                         printf("Pruning %s\n", *argv);
 588                         printf("URL: %s\n",
 589                                states.remote->url_nr
 590                                ? states.remote->url[0]
 591                                : "(no URL)");
 592                 }
 593
 594                 for (i = 0; i < states.stale.nr; i++) {
 595                         const char *refname = states.stale.items[i].util;
 596
 597                         if (!dry_run)
 598                                 result |= delete_ref(refname, NULL, 0);
 599
 600                         printf(" * [%s] %s\n", dry_run ? "would prune" : "pruned",
 601                                abbrev_ref(refname, "refs/remotes/"));
 602                 }
 603
 604                 /* NEEDSWORK: free remote */
 605                 string_list_clear(&states.new, 0);
 606                 string_list_clear(&states.stale, 0);
 607                 string_list_clear(&states.tracked, 0);
 608         }
 609
 610         return result;
 611 }
 612
 613 static int get_one_remote_for_update(struct remote *remote, void *priv)
 614 {
 615         struct string_list *list = priv;
 616         if (!remote->skip_default_update)
 617                 string_list_append(xstrdup(remote->name), list);
 618         return 0;
 619 }
 620
 621 struct remote_group {
 622         const char *name;
 623         struct string_list *list;
 624 } remote_group;
 625
 626 static int get_remote_group(const char *key, const char *value, void *cb)
 627 {
 628         if (!prefixcmp(key, "remotes.") &&
 629                         !strcmp(key + 8, remote_group.name)) {
 630                 /* split list by white space */
 631                 int space = strcspn(value, " \t\n");
 632                 while (*value) {
 633                         if (space > 1)
 634                                 string_list_append(xstrndup(value, space),
 635                                                 remote_group.list);
 636                         value += space + (value[space] != '\0');
 637                         space = strcspn(value, " \t\n");
 638                 }
 639         }
 640
 641         return 0;
 642 }
 643
 644 static int update(int argc, const char **argv)
 645 {
 646         int i, result = 0;
 647         struct string_list list = { NULL, 0, 0, 0 };
 648         static const char *default_argv[] = { NULL, "default", NULL };
 649
 650         if (argc < 2) {
 651                 argc = 2;
 652                 argv = default_argv;
 653         }
 654
 655         remote_group.list = &list;
 656         for (i = 1; i < argc; i++) {
 657                 remote_group.name = argv[i];
 658                 result = git_config(get_remote_group, NULL);
 659         }
 660
 661         if (!result && !list.nr  && argc == 2 && !strcmp(argv[1], "default"))
 662                 result = for_each_remote(get_one_remote_for_update, &list);
 663
 664         for (i = 0; i < list.nr; i++)
 665                 result |= fetch_remote(list.items[i].string);
 666
 667         /* all names were strdup()ed or strndup()ed */
 668         list.strdup_strings = 1;
 669         string_list_clear(&list, 0);
 670
 671         return result;
 672 }
 673
 674 static int get_one_entry(struct remote *remote, void *priv)
 675 {
 676         struct string_list *list = priv;
 677
 678         if (remote->url_nr > 0) {
 679                 int i;
 680
 681                 for (i = 0; i < remote->url_nr; i++)
 682                         string_list_append(remote->name, list)->util = (void *)remote->url[i];
 683         } else
 684                 string_list_append(remote->name, list)->util = NULL;
 685
 686         return 0;
 687 }
 688
 689 static int show_all(void)
 690 {
 691         struct string_list list = { NULL, 0, 0 };
 692         int result = for_each_remote(get_one_entry, &list);
 693
 694         if (!result) {
 695                 int i;
 696
 697                 sort_string_list(&list);
 698                 for (i = 0; i < list.nr; i++) {
 699                         struct string_list_item *item = list.items + i;
 700                         if (verbose)
 701                                 printf("%s\t%s\n", item->string,
 702                                         item->util ? (const char *)item->util : "");
 703                         else {
 704                                 if (i && !strcmp((item - 1)->string, item->string))
 705                                         continue;
 706                                 printf("%s\n", item->string);
 707                         }
 708                 }
 709         }
 710         return result;
 711 }
 712
 713 int cmd_remote(int argc, const char **argv, const char *prefix)
 714 {
 715         struct option options[] = {
 716                 OPT__VERBOSE(&verbose),
 717                 OPT_END()
 718         };
 719         int result;
 720
 721         argc = parse_options(argc, argv, options, builtin_remote_usage,
 722                 PARSE_OPT_STOP_AT_NON_OPTION);
 723
 724         if (argc < 1)
 725                 result = show_all();
 726         else if (!strcmp(argv[0], "add"))
 727                 result = add(argc, argv);
 728         else if (!strcmp(argv[0], "rm"))
 729                 result = rm(argc, argv);
 730         else if (!strcmp(argv[0], "show"))
 731                 result = show(argc, argv);
 732         else if (!strcmp(argv[0], "prune"))
 733                 result = prune(argc, argv);
 734         else if (!strcmp(argv[0], "update"))
 735                 result = update(argc, argv);
 736         else {
 737                 error("Unknown subcommand: %s", argv[0]);
 738                 usage_with_options(builtin_remote_usage, options);
 739         }
 740
 741         return result ? 1 : 0;
 742 }