git.oblomov.eu Git - git/blob - builtin/remote.c

   1 #include "builtin.h"
   2 #include "config.h"
   3 #include "parse-options.h"
   4 #include "transport.h"
   5 #include "remote.h"
   6 #include "string-list.h"
   7 #include "strbuf.h"
   8 #include "run-command.h"
   9 #include "rebase.h"
  10 #include "refs.h"
  11 #include "refspec.h"
  12 #include "object-store.h"
  13 #include "strvec.h"
  14 #include "commit-reach.h"
  15
  16 static const char * const builtin_remote_usage[] = {
  17         N_("git remote [-v | --verbose]"),
  18         N_("git remote add [-t <branch>] [-m <master>] [-f] [--tags | --no-tags] [--mirror=<fetch|push>] <name> <url>"),
  19         N_("git remote rename <old> <new>"),
  20         N_("git remote remove <name>"),
  21         N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
  22         N_("git remote [-v | --verbose] show [-n] <name>"),
  23         N_("git remote prune [-n | --dry-run] <name>"),
  24         N_("git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]"),
  25         N_("git remote set-branches [--add] <name> <branch>..."),
  26         N_("git remote get-url [--push] [--all] <name>"),
  27         N_("git remote set-url [--push] <name> <newurl> [<oldurl>]"),
  28         N_("git remote set-url --add <name> <newurl>"),
  29         N_("git remote set-url --delete <name> <url>"),
  30         NULL
  31 };
  32
  33 static const char * const builtin_remote_add_usage[] = {
  34         N_("git remote add [<options>] <name> <url>"),
  35         NULL
  36 };
  37
  38 static const char * const builtin_remote_rename_usage[] = {
  39         N_("git remote rename <old> <new>"),
  40         NULL
  41 };
  42
  43 static const char * const builtin_remote_rm_usage[] = {
  44         N_("git remote remove <name>"),
  45         NULL
  46 };
  47
  48 static const char * const builtin_remote_sethead_usage[] = {
  49         N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
  50         NULL
  51 };
  52
  53 static const char * const builtin_remote_setbranches_usage[] = {
  54         N_("git remote set-branches <name> <branch>..."),
  55         N_("git remote set-branches --add <name> <branch>..."),
  56         NULL
  57 };
  58
  59 static const char * const builtin_remote_show_usage[] = {
  60         N_("git remote show [<options>] <name>"),
  61         NULL
  62 };
  63
  64 static const char * const builtin_remote_prune_usage[] = {
  65         N_("git remote prune [<options>] <name>"),
  66         NULL
  67 };
  68
  69 static const char * const builtin_remote_update_usage[] = {
  70         N_("git remote update [<options>] [<group> | <remote>]..."),
  71         NULL
  72 };
  73
  74 static const char * const builtin_remote_geturl_usage[] = {
  75         N_("git remote get-url [--push] [--all] <name>"),
  76         NULL
  77 };
  78
  79 static const char * const builtin_remote_seturl_usage[] = {
  80         N_("git remote set-url [--push] <name> <newurl> [<oldurl>]"),
  81         N_("git remote set-url --add <name> <newurl>"),
  82         N_("git remote set-url --delete <name> <url>"),
  83         NULL
  84 };
  85
  86 #define GET_REF_STATES (1<<0)
  87 #define GET_HEAD_NAMES (1<<1)
  88 #define GET_PUSH_REF_STATES (1<<2)
  89
  90 static int verbose;
  91
  92 static int fetch_remote(const char *name)
  93 {
  94         const char *argv[] = { "fetch", name, NULL, NULL };
  95         if (verbose) {
  96                 argv[1] = "-v";
  97                 argv[2] = name;
  98         }
  99         printf_ln(_("Updating %s"), name);
 100         if (run_command_v_opt(argv, RUN_GIT_CMD))
 101                 return error(_("Could not fetch %s"), name);
 102         return 0;
 103 }
 104
 105 enum {
 106         TAGS_UNSET = 0,
 107         TAGS_DEFAULT = 1,
 108         TAGS_SET = 2
 109 };
 110
 111 #define MIRROR_NONE 0
 112 #define MIRROR_FETCH 1
 113 #define MIRROR_PUSH 2
 114 #define MIRROR_BOTH (MIRROR_FETCH|MIRROR_PUSH)
 115
 116 static void add_branch(const char *key, const char *branchname,
 117                        const char *remotename, int mirror, struct strbuf *tmp)
 118 {
 119         strbuf_reset(tmp);
 120         strbuf_addch(tmp, '+');
 121         if (mirror)
 122                 strbuf_addf(tmp, "refs/%s:refs/%s",
 123                                 branchname, branchname);
 124         else
 125                 strbuf_addf(tmp, "refs/heads/%s:refs/remotes/%s/%s",
 126                                 branchname, remotename, branchname);
 127         git_config_set_multivar(key, tmp->buf, "^$", 0);
 128 }
 129
 130 static const char mirror_advice[] =
 131 N_("--mirror is dangerous and deprecated; please\n"
 132    "\t use --mirror=fetch or --mirror=push instead");
 133
 134 static int parse_mirror_opt(const struct option *opt, const char *arg, int not)
 135 {
 136         unsigned *mirror = opt->value;
 137         if (not)
 138                 *mirror = MIRROR_NONE;
 139         else if (!arg) {
 140                 warning("%s", _(mirror_advice));
 141                 *mirror = MIRROR_BOTH;
 142         }
 143         else if (!strcmp(arg, "fetch"))
 144                 *mirror = MIRROR_FETCH;
 145         else if (!strcmp(arg, "push"))
 146                 *mirror = MIRROR_PUSH;
 147         else
 148                 return error(_("unknown mirror argument: %s"), arg);
 149         return 0;
 150 }
 151
 152 static int add(int argc, const char **argv)
 153 {
 154         int fetch = 0, fetch_tags = TAGS_DEFAULT;
 155         unsigned mirror = MIRROR_NONE;
 156         struct string_list track = STRING_LIST_INIT_NODUP;
 157         const char *master = NULL;
 158         struct remote *remote;
 159         struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
 160         const char *name, *url;
 161         int i;
 162
 163         struct option options[] = {
 164                 OPT_BOOL('f', "fetch", &fetch, N_("fetch the remote branches")),
 165                 OPT_SET_INT(0, "tags", &fetch_tags,
 166                             N_("import all tags and associated objects when fetching"),
 167                             TAGS_SET),
 168                 OPT_SET_INT(0, NULL, &fetch_tags,
 169                             N_("or do not fetch any tag at all (--no-tags)"), TAGS_UNSET),
 170                 OPT_STRING_LIST('t', "track", &track, N_("branch"),
 171                                 N_("branch(es) to track")),
 172                 OPT_STRING('m', "master", &master, N_("branch"), N_("master branch")),
 173                 OPT_CALLBACK_F(0, "mirror", &mirror, "(push|fetch)",
 174                         N_("set up remote as a mirror to push to or fetch from"),
 175                         PARSE_OPT_OPTARG | PARSE_OPT_COMP_ARG, parse_mirror_opt),
 176                 OPT_END()
 177         };
 178
 179         argc = parse_options(argc, argv, NULL, options, builtin_remote_add_usage,
 180                              0);
 181
 182         if (argc != 2)
 183                 usage_with_options(builtin_remote_add_usage, options);
 184
 185         if (mirror && master)
 186                 die(_("specifying a master branch makes no sense with --mirror"));
 187         if (mirror && !(mirror & MIRROR_FETCH) && track.nr)
 188                 die(_("specifying branches to track makes sense only with fetch mirrors"));
 189
 190         name = argv[0];
 191         url = argv[1];
 192
 193         remote = remote_get(name);
 194         if (remote_is_configured(remote, 1)) {
 195                 error(_("remote %s already exists."), name);
 196                 exit(3);
 197         }
 198
 199         strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
 200         if (!valid_fetch_refspec(buf2.buf))
 201                 die(_("'%s' is not a valid remote name"), name);
 202
 203         strbuf_addf(&buf, "remote.%s.url", name);
 204         git_config_set(buf.buf, url);
 205
 206         if (!mirror || mirror & MIRROR_FETCH) {
 207                 strbuf_reset(&buf);
 208                 strbuf_addf(&buf, "remote.%s.fetch", name);
 209                 if (track.nr == 0)
 210                         string_list_append(&track, "*");
 211                 for (i = 0; i < track.nr; i++) {
 212                         add_branch(buf.buf, track.items[i].string,
 213                                    name, mirror, &buf2);
 214                 }
 215         }
 216
 217         if (mirror & MIRROR_PUSH) {
 218                 strbuf_reset(&buf);
 219                 strbuf_addf(&buf, "remote.%s.mirror", name);
 220                 git_config_set(buf.buf, "true");
 221         }
 222
 223         if (fetch_tags != TAGS_DEFAULT) {
 224                 strbuf_reset(&buf);
 225                 strbuf_addf(&buf, "remote.%s.tagopt", name);
 226                 git_config_set(buf.buf,
 227                                fetch_tags == TAGS_SET ? "--tags" : "--no-tags");
 228         }
 229
 230         if (fetch && fetch_remote(name))
 231                 return 1;
 232
 233         if (master) {
 234                 strbuf_reset(&buf);
 235                 strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
 236
 237                 strbuf_reset(&buf2);
 238                 strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
 239
 240                 if (create_symref(buf.buf, buf2.buf, "remote add"))
 241                         return error(_("Could not setup master '%s'"), master);
 242         }
 243
 244         strbuf_release(&buf);
 245         strbuf_release(&buf2);
 246         string_list_clear(&track, 0);
 247
 248         return 0;
 249 }
 250
 251 struct branch_info {
 252         char *remote_name;
 253         struct string_list merge;
 254         enum rebase_type rebase;
 255         char *push_remote_name;
 256 };
 257
 258 static struct string_list branch_list = STRING_LIST_INIT_NODUP;
 259
 260 static const char *abbrev_ref(const char *name, const char *prefix)
 261 {
 262         skip_prefix(name, prefix, &name);
 263         return name;
 264 }
 265 #define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
 266
 267 static int config_read_branches(const char *key, const char *value, void *cb)
 268 {
 269         const char *orig_key = key;
 270         char *name;
 271         struct string_list_item *item;
 272         struct branch_info *info;
 273         enum { REMOTE, MERGE, REBASE, PUSH_REMOTE } type;
 274         size_t key_len;
 275
 276         if (!starts_with(key, "branch."))
 277                 return 0;
 278
 279         key += strlen("branch.");
 280         if (strip_suffix(key, ".remote", &key_len))
 281                 type = REMOTE;
 282         else if (strip_suffix(key, ".merge", &key_len))
 283                 type = MERGE;
 284         else if (strip_suffix(key, ".rebase", &key_len))
 285                 type = REBASE;
 286         else if (strip_suffix(key, ".pushremote", &key_len))
 287                 type = PUSH_REMOTE;
 288         else
 289                 return 0;
 290         name = xmemdupz(key, key_len);
 291
 292         item = string_list_insert(&branch_list, name);
 293
 294         if (!item->util)
 295                 item->util = xcalloc(1, sizeof(struct branch_info));
 296         info = item->util;
 297         switch (type) {
 298         case REMOTE:
 299                 if (info->remote_name)
 300                         warning(_("more than one %s"), orig_key);
 301                 info->remote_name = xstrdup(value);
 302                 break;
 303         case MERGE: {
 304                 char *space = strchr(value, ' ');
 305                 value = abbrev_branch(value);
 306                 while (space) {
 307                         char *merge;
 308                         merge = xstrndup(value, space - value);
 309                         string_list_append(&info->merge, merge);
 310                         value = abbrev_branch(space + 1);
 311                         space = strchr(value, ' ');
 312                 }
 313                 string_list_append(&info->merge, xstrdup(value));
 314                 break;
 315         }
 316         case REBASE:
 317                 /*
 318                  * Consider invalid values as false and check the
 319                  * truth value with >= REBASE_TRUE.
 320                  */
 321                 info->rebase = rebase_parse_value(value);
 322                 break;
 323         case PUSH_REMOTE:
 324                 if (info->push_remote_name)
 325                         warning(_("more than one %s"), orig_key);
 326                 info->push_remote_name = xstrdup(value);
 327                 break;
 328         default:
 329                 BUG("unexpected type=%d", type);
 330         }
 331
 332         return 0;
 333 }
 334
 335 static void read_branches(void)
 336 {
 337         if (branch_list.nr)
 338                 return;
 339         git_config(config_read_branches, NULL);
 340 }
 341
 342 struct ref_states {
 343         struct remote *remote;
 344         struct string_list new_refs, stale, tracked, heads, push;
 345         int queried;
 346 };
 347
 348 static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
 349 {
 350         struct ref *fetch_map = NULL, **tail = &fetch_map;
 351         struct ref *ref, *stale_refs;
 352         int i;
 353
 354         for (i = 0; i < states->remote->fetch.nr; i++)
 355                 if (get_fetch_map(remote_refs, &states->remote->fetch.items[i], &tail, 1))
 356                         die(_("Could not get fetch map for refspec %s"),
 357                                 states->remote->fetch.raw[i]);
 358
 359         states->new_refs.strdup_strings = 1;
 360         states->tracked.strdup_strings = 1;
 361         states->stale.strdup_strings = 1;
 362         for (ref = fetch_map; ref; ref = ref->next) {
 363                 if (!ref->peer_ref || !ref_exists(ref->peer_ref->name))
 364                         string_list_append(&states->new_refs, abbrev_branch(ref->name));
 365                 else
 366                         string_list_append(&states->tracked, abbrev_branch(ref->name));
 367         }
 368         stale_refs = get_stale_heads(&states->remote->fetch, fetch_map);
 369         for (ref = stale_refs; ref; ref = ref->next) {
 370                 struct string_list_item *item =
 371                         string_list_append(&states->stale, abbrev_branch(ref->name));
 372                 item->util = xstrdup(ref->name);
 373         }
 374         free_refs(stale_refs);
 375         free_refs(fetch_map);
 376
 377         string_list_sort(&states->new_refs);
 378         string_list_sort(&states->tracked);
 379         string_list_sort(&states->stale);
 380
 381         return 0;
 382 }
 383
 384 struct push_info {
 385         char *dest;
 386         int forced;
 387         enum {
 388                 PUSH_STATUS_CREATE = 0,
 389                 PUSH_STATUS_DELETE,
 390                 PUSH_STATUS_UPTODATE,
 391                 PUSH_STATUS_FASTFORWARD,
 392                 PUSH_STATUS_OUTOFDATE,
 393                 PUSH_STATUS_NOTQUERIED
 394         } status;
 395 };
 396
 397 static int get_push_ref_states(const struct ref *remote_refs,
 398         struct ref_states *states)
 399 {
 400         struct remote *remote = states->remote;
 401         struct ref *ref, *local_refs, *push_map;
 402         if (remote->mirror)
 403                 return 0;
 404
 405         local_refs = get_local_heads();
 406         push_map = copy_ref_list(remote_refs);
 407
 408         match_push_refs(local_refs, &push_map, &remote->push, MATCH_REFS_NONE);
 409
 410         states->push.strdup_strings = 1;
 411         for (ref = push_map; ref; ref = ref->next) {
 412                 struct string_list_item *item;
 413                 struct push_info *info;
 414
 415                 if (!ref->peer_ref)
 416                         continue;
 417                 oidcpy(&ref->new_oid, &ref->peer_ref->new_oid);
 418
 419                 item = string_list_append(&states->push,
 420                                           abbrev_branch(ref->peer_ref->name));
 421                 item->util = xcalloc(1, sizeof(struct push_info));
 422                 info = item->util;
 423                 info->forced = ref->force;
 424                 info->dest = xstrdup(abbrev_branch(ref->name));
 425
 426                 if (is_null_oid(&ref->new_oid)) {
 427                         info->status = PUSH_STATUS_DELETE;
 428                 } else if (oideq(&ref->old_oid, &ref->new_oid))
 429                         info->status = PUSH_STATUS_UPTODATE;
 430                 else if (is_null_oid(&ref->old_oid))
 431                         info->status = PUSH_STATUS_CREATE;
 432                 else if (has_object_file(&ref->old_oid) &&
 433                          ref_newer(&ref->new_oid, &ref->old_oid))
 434                         info->status = PUSH_STATUS_FASTFORWARD;
 435                 else
 436                         info->status = PUSH_STATUS_OUTOFDATE;
 437         }
 438         free_refs(local_refs);
 439         free_refs(push_map);
 440         return 0;
 441 }
 442
 443 static int get_push_ref_states_noquery(struct ref_states *states)
 444 {
 445         int i;
 446         struct remote *remote = states->remote;
 447         struct string_list_item *item;
 448         struct push_info *info;
 449
 450         if (remote->mirror)
 451                 return 0;
 452
 453         states->push.strdup_strings = 1;
 454         if (!remote->push.nr) {
 455                 item = string_list_append(&states->push, _("(matching)"));
 456                 info = item->util = xcalloc(1, sizeof(struct push_info));
 457                 info->status = PUSH_STATUS_NOTQUERIED;
 458                 info->dest = xstrdup(item->string);
 459         }
 460         for (i = 0; i < remote->push.nr; i++) {
 461                 const struct refspec_item *spec = &remote->push.items[i];
 462                 if (spec->matching)
 463                         item = string_list_append(&states->push, _("(matching)"));
 464                 else if (strlen(spec->src))
 465                         item = string_list_append(&states->push, spec->src);
 466                 else
 467                         item = string_list_append(&states->push, _("(delete)"));
 468
 469                 info = item->util = xcalloc(1, sizeof(struct push_info));
 470                 info->forced = spec->force;
 471                 info->status = PUSH_STATUS_NOTQUERIED;
 472                 info->dest = xstrdup(spec->dst ? spec->dst : item->string);
 473         }
 474         return 0;
 475 }
 476
 477 static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
 478 {
 479         struct ref *ref, *matches;
 480         struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
 481         struct refspec_item refspec;
 482
 483         memset(&refspec, 0, sizeof(refspec));
 484         refspec.force = 0;
 485         refspec.pattern = 1;
 486         refspec.src = refspec.dst = "refs/heads/*";
 487         states->heads.strdup_strings = 1;
 488         get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
 489         matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
 490                                     fetch_map, 1);
 491         for (ref = matches; ref; ref = ref->next)
 492                 string_list_append(&states->heads, abbrev_branch(ref->name));
 493
 494         free_refs(fetch_map);
 495         free_refs(matches);
 496
 497         return 0;
 498 }
 499
 500 struct known_remote {
 501         struct known_remote *next;
 502         struct remote *remote;
 503 };
 504
 505 struct known_remotes {
 506         struct remote *to_delete;
 507         struct known_remote *list;
 508 };
 509
 510 static int add_known_remote(struct remote *remote, void *cb_data)
 511 {
 512         struct known_remotes *all = cb_data;
 513         struct known_remote *r;
 514
 515         if (!strcmp(all->to_delete->name, remote->name))
 516                 return 0;
 517
 518         r = xmalloc(sizeof(*r));
 519         r->remote = remote;
 520         r->next = all->list;
 521         all->list = r;
 522         return 0;
 523 }
 524
 525 struct branches_for_remote {
 526         struct remote *remote;
 527         struct string_list *branches, *skipped;
 528         struct known_remotes *keep;
 529 };
 530
 531 static int add_branch_for_removal(const char *refname,
 532         const struct object_id *oid, int flags, void *cb_data)
 533 {
 534         struct branches_for_remote *branches = cb_data;
 535         struct refspec_item refspec;
 536         struct known_remote *kr;
 537
 538         memset(&refspec, 0, sizeof(refspec));
 539         refspec.dst = (char *)refname;
 540         if (remote_find_tracking(branches->remote, &refspec))
 541                 return 0;
 542
 543         /* don't delete a branch if another remote also uses it */
 544         for (kr = branches->keep->list; kr; kr = kr->next) {
 545                 memset(&refspec, 0, sizeof(refspec));
 546                 refspec.dst = (char *)refname;
 547                 if (!remote_find_tracking(kr->remote, &refspec))
 548                         return 0;
 549         }
 550
 551         /* don't delete non-remote-tracking refs */
 552         if (!starts_with(refname, "refs/remotes/")) {
 553                 /* advise user how to delete local branches */
 554                 if (starts_with(refname, "refs/heads/"))
 555                         string_list_append(branches->skipped,
 556                                            abbrev_branch(refname));
 557                 /* silently skip over other non-remote refs */
 558                 return 0;
 559         }
 560
 561         string_list_append(branches->branches, refname);
 562
 563         return 0;
 564 }
 565
 566 struct rename_info {
 567         const char *old_name;
 568         const char *new_name;
 569         struct string_list *remote_branches;
 570 };
 571
 572 static int read_remote_branches(const char *refname,
 573         const struct object_id *oid, int flags, void *cb_data)
 574 {
 575         struct rename_info *rename = cb_data;
 576         struct strbuf buf = STRBUF_INIT;
 577         struct string_list_item *item;
 578         int flag;
 579         const char *symref;
 580
 581         strbuf_addf(&buf, "refs/remotes/%s/", rename->old_name);
 582         if (starts_with(refname, buf.buf)) {
 583                 item = string_list_append(rename->remote_branches, refname);
 584                 symref = resolve_ref_unsafe(refname, RESOLVE_REF_READING,
 585                                             NULL, &flag);
 586                 if (symref && (flag & REF_ISSYMREF))
 587                         item->util = xstrdup(symref);
 588                 else
 589                         item->util = NULL;
 590         }
 591         strbuf_release(&buf);
 592
 593         return 0;
 594 }
 595
 596 static int migrate_file(struct remote *remote)
 597 {
 598         struct strbuf buf = STRBUF_INIT;
 599         int i;
 600
 601         strbuf_addf(&buf, "remote.%s.url", remote->name);
 602         for (i = 0; i < remote->url_nr; i++)
 603                 git_config_set_multivar(buf.buf, remote->url[i], "^$", 0);
 604         strbuf_reset(&buf);
 605         strbuf_addf(&buf, "remote.%s.push", remote->name);
 606         for (i = 0; i < remote->push.raw_nr; i++)
 607                 git_config_set_multivar(buf.buf, remote->push.raw[i], "^$", 0);
 608         strbuf_reset(&buf);
 609         strbuf_addf(&buf, "remote.%s.fetch", remote->name);
 610         for (i = 0; i < remote->fetch.raw_nr; i++)
 611                 git_config_set_multivar(buf.buf, remote->fetch.raw[i], "^$", 0);
 612         if (remote->origin == REMOTE_REMOTES)
 613                 unlink_or_warn(git_path("remotes/%s", remote->name));
 614         else if (remote->origin == REMOTE_BRANCHES)
 615                 unlink_or_warn(git_path("branches/%s", remote->name));
 616         strbuf_release(&buf);
 617
 618         return 0;
 619 }
 620
 621 struct push_default_info
 622 {
 623         const char *old_name;
 624         enum config_scope scope;
 625         struct strbuf origin;
 626         int linenr;
 627 };
 628
 629 static int config_read_push_default(const char *key, const char *value,
 630         void *cb)
 631 {
 632         struct push_default_info* info = cb;
 633         if (strcmp(key, "remote.pushdefault") ||
 634             !value || strcmp(value, info->old_name))
 635                 return 0;
 636
 637         info->scope = current_config_scope();
 638         strbuf_reset(&info->origin);
 639         strbuf_addstr(&info->origin, current_config_name());
 640         info->linenr = current_config_line();
 641
 642         return 0;
 643 }
 644
 645 static void handle_push_default(const char* old_name, const char* new_name)
 646 {
 647         struct push_default_info push_default = {
 648                 old_name, CONFIG_SCOPE_UNKNOWN, STRBUF_INIT, -1 };
 649         git_config(config_read_push_default, &push_default);
 650         if (push_default.scope >= CONFIG_SCOPE_COMMAND)
 651                 ; /* pass */
 652         else if (push_default.scope >= CONFIG_SCOPE_LOCAL) {
 653                 int result = git_config_set_gently("remote.pushDefault",
 654                                                    new_name);
 655                 if (new_name && result && result != CONFIG_NOTHING_SET)
 656                         die(_("could not set '%s'"), "remote.pushDefault");
 657                 else if (!new_name && result && result != CONFIG_NOTHING_SET)
 658                         die(_("could not unset '%s'"), "remote.pushDefault");
 659         } else if (push_default.scope >= CONFIG_SCOPE_SYSTEM) {
 660                 /* warn */
 661                 warning(_("The %s configuration remote.pushDefault in:\n"
 662                           "\t%s:%d\n"
 663                           "now names the non-existent remote '%s'"),
 664                         config_scope_name(push_default.scope),
 665                         push_default.origin.buf, push_default.linenr,
 666                         old_name);
 667         }
 668 }
 669
 670
 671 static int mv(int argc, const char **argv)
 672 {
 673         struct option options[] = {
 674                 OPT_END()
 675         };
 676         struct remote *oldremote, *newremote;
 677         struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT,
 678                 old_remote_context = STRBUF_INIT;
 679         struct string_list remote_branches = STRING_LIST_INIT_DUP;
 680         struct rename_info rename;
 681         int i, refspec_updated = 0;
 682
 683         if (argc != 3)
 684                 usage_with_options(builtin_remote_rename_usage, options);
 685
 686         rename.old_name = argv[1];
 687         rename.new_name = argv[2];
 688         rename.remote_branches = &remote_branches;
 689
 690         oldremote = remote_get(rename.old_name);
 691         if (!remote_is_configured(oldremote, 1)) {
 692                 error(_("No such remote: '%s'"), rename.old_name);
 693                 exit(2);
 694         }
 695
 696         if (!strcmp(rename.old_name, rename.new_name) && oldremote->origin != REMOTE_CONFIG)
 697                 return migrate_file(oldremote);
 698
 699         newremote = remote_get(rename.new_name);
 700         if (remote_is_configured(newremote, 1)) {
 701                 error(_("remote %s already exists."), rename.new_name);
 702                 exit(3);
 703         }
 704
 705         strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new_name);
 706         if (!valid_fetch_refspec(buf.buf))
 707                 die(_("'%s' is not a valid remote name"), rename.new_name);
 708
 709         strbuf_reset(&buf);
 710         strbuf_addf(&buf, "remote.%s", rename.old_name);
 711         strbuf_addf(&buf2, "remote.%s", rename.new_name);
 712         if (git_config_rename_section(buf.buf, buf2.buf) < 1)
 713                 return error(_("Could not rename config section '%s' to '%s'"),
 714                                 buf.buf, buf2.buf);
 715
 716         strbuf_reset(&buf);
 717         strbuf_addf(&buf, "remote.%s.fetch", rename.new_name);
 718         git_config_set_multivar(buf.buf, NULL, NULL, 1);
 719         strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old_name);
 720         for (i = 0; i < oldremote->fetch.raw_nr; i++) {
 721                 char *ptr;
 722
 723                 strbuf_reset(&buf2);
 724                 strbuf_addstr(&buf2, oldremote->fetch.raw[i]);
 725                 ptr = strstr(buf2.buf, old_remote_context.buf);
 726                 if (ptr) {
 727                         refspec_updated = 1;
 728                         strbuf_splice(&buf2,
 729                                       ptr-buf2.buf + strlen(":refs/remotes/"),
 730                                       strlen(rename.old_name), rename.new_name,
 731                                       strlen(rename.new_name));
 732                 } else
 733                         warning(_("Not updating non-default fetch refspec\n"
 734                                   "\t%s\n"
 735                                   "\tPlease update the configuration manually if necessary."),
 736                                 buf2.buf);
 737
 738                 git_config_set_multivar(buf.buf, buf2.buf, "^$", 0);
 739         }
 740
 741         read_branches();
 742         for (i = 0; i < branch_list.nr; i++) {
 743                 struct string_list_item *item = branch_list.items + i;
 744                 struct branch_info *info = item->util;
 745                 if (info->remote_name && !strcmp(info->remote_name, rename.old_name)) {
 746                         strbuf_reset(&buf);
 747                         strbuf_addf(&buf, "branch.%s.remote", item->string);
 748                         git_config_set(buf.buf, rename.new_name);
 749                 }
 750                 if (info->push_remote_name && !strcmp(info->push_remote_name, rename.old_name)) {
 751                         strbuf_reset(&buf);
 752                         strbuf_addf(&buf, "branch.%s.pushremote", item->string);
 753                         git_config_set(buf.buf, rename.new_name);
 754                 }
 755         }
 756
 757         if (!refspec_updated)
 758                 return 0;
 759
 760         /*
 761          * First remove symrefs, then rename the rest, finally create
 762          * the new symrefs.
 763          */
 764         for_each_ref(read_remote_branches, &rename);
 765         for (i = 0; i < remote_branches.nr; i++) {
 766                 struct string_list_item *item = remote_branches.items + i;
 767                 int flag = 0;
 768
 769                 read_ref_full(item->string, RESOLVE_REF_READING, NULL, &flag);
 770                 if (!(flag & REF_ISSYMREF))
 771                         continue;
 772                 if (delete_ref(NULL, item->string, NULL, REF_NO_DEREF))
 773                         die(_("deleting '%s' failed"), item->string);
 774         }
 775         for (i = 0; i < remote_branches.nr; i++) {
 776                 struct string_list_item *item = remote_branches.items + i;
 777
 778                 if (item->util)
 779                         continue;
 780                 strbuf_reset(&buf);
 781                 strbuf_addstr(&buf, item->string);
 782                 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old_name),
 783                                 rename.new_name, strlen(rename.new_name));
 784                 strbuf_reset(&buf2);
 785                 strbuf_addf(&buf2, "remote: renamed %s to %s",
 786                                 item->string, buf.buf);
 787                 if (rename_ref(item->string, buf.buf, buf2.buf))
 788                         die(_("renaming '%s' failed"), item->string);
 789         }
 790         for (i = 0; i < remote_branches.nr; i++) {
 791                 struct string_list_item *item = remote_branches.items + i;
 792
 793                 if (!item->util)
 794                         continue;
 795                 strbuf_reset(&buf);
 796                 strbuf_addstr(&buf, item->string);
 797                 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old_name),
 798                                 rename.new_name, strlen(rename.new_name));
 799                 strbuf_reset(&buf2);
 800                 strbuf_addstr(&buf2, item->util);
 801                 strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old_name),
 802                                 rename.new_name, strlen(rename.new_name));
 803                 strbuf_reset(&buf3);
 804                 strbuf_addf(&buf3, "remote: renamed %s to %s",
 805                                 item->string, buf.buf);
 806                 if (create_symref(buf.buf, buf2.buf, buf3.buf))
 807                         die(_("creating '%s' failed"), buf.buf);
 808         }
 809         string_list_clear(&remote_branches, 1);
 810
 811         handle_push_default(rename.old_name, rename.new_name);
 812
 813         return 0;
 814 }
 815
 816 static int rm(int argc, const char **argv)
 817 {
 818         struct option options[] = {
 819                 OPT_END()
 820         };
 821         struct remote *remote;
 822         struct strbuf buf = STRBUF_INIT;
 823         struct known_remotes known_remotes = { NULL, NULL };
 824         struct string_list branches = STRING_LIST_INIT_DUP;
 825         struct string_list skipped = STRING_LIST_INIT_DUP;
 826         struct branches_for_remote cb_data;
 827         int i, result;
 828
 829         memset(&cb_data, 0, sizeof(cb_data));
 830         cb_data.branches = &branches;
 831         cb_data.skipped = &skipped;
 832         cb_data.keep = &known_remotes;
 833
 834         if (argc != 2)
 835                 usage_with_options(builtin_remote_rm_usage, options);
 836
 837         remote = remote_get(argv[1]);
 838         if (!remote_is_configured(remote, 1)) {
 839                 error(_("No such remote: '%s'"), argv[1]);
 840                 exit(2);
 841         }
 842
 843         known_remotes.to_delete = remote;
 844         for_each_remote(add_known_remote, &known_remotes);
 845
 846         read_branches();
 847         for (i = 0; i < branch_list.nr; i++) {
 848                 struct string_list_item *item = branch_list.items + i;
 849                 struct branch_info *info = item->util;
 850                 if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
 851                         const char *keys[] = { "remote", "merge", NULL }, **k;
 852                         for (k = keys; *k; k++) {
 853                                 strbuf_reset(&buf);
 854                                 strbuf_addf(&buf, "branch.%s.%s",
 855                                                 item->string, *k);
 856                                 result = git_config_set_gently(buf.buf, NULL);
 857                                 if (result && result != CONFIG_NOTHING_SET)
 858                                         die(_("could not unset '%s'"), buf.buf);
 859                         }
 860                 }
 861                 if (info->push_remote_name && !strcmp(info->push_remote_name, remote->name)) {
 862                         strbuf_reset(&buf);
 863                         strbuf_addf(&buf, "branch.%s.pushremote", item->string);
 864                         result = git_config_set_gently(buf.buf, NULL);
 865                         if (result && result != CONFIG_NOTHING_SET)
 866                                 die(_("could not unset '%s'"), buf.buf);
 867                 }
 868         }
 869
 870         /*
 871          * We cannot just pass a function to for_each_ref() which deletes
 872          * the branches one by one, since for_each_ref() relies on cached
 873          * refs, which are invalidated when deleting a branch.
 874          */
 875         cb_data.remote = remote;
 876         result = for_each_ref(add_branch_for_removal, &cb_data);
 877         strbuf_release(&buf);
 878
 879         if (!result)
 880                 result = delete_refs("remote: remove", &branches, REF_NO_DEREF);
 881         string_list_clear(&branches, 0);
 882
 883         if (skipped.nr) {
 884                 fprintf_ln(stderr,
 885                            Q_("Note: A branch outside the refs/remotes/ hierarchy was not removed;\n"
 886                               "to delete it, use:",
 887                               "Note: Some branches outside the refs/remotes/ hierarchy were not removed;\n"
 888                               "to delete them, use:",
 889                               skipped.nr));
 890                 for (i = 0; i < skipped.nr; i++)
 891                         fprintf(stderr, "  git branch -d %s\n",
 892                                 skipped.items[i].string);
 893         }
 894         string_list_clear(&skipped, 0);
 895
 896         if (!result) {
 897                 strbuf_addf(&buf, "remote.%s", remote->name);
 898                 if (git_config_rename_section(buf.buf, NULL) < 1)
 899                         return error(_("Could not remove config section '%s'"), buf.buf);
 900
 901                 handle_push_default(remote->name, NULL);
 902         }
 903
 904         return result;
 905 }
 906
 907 static void clear_push_info(void *util, const char *string)
 908 {
 909         struct push_info *info = util;
 910         free(info->dest);
 911         free(info);
 912 }
 913
 914 static void free_remote_ref_states(struct ref_states *states)
 915 {
 916         string_list_clear(&states->new_refs, 0);
 917         string_list_clear(&states->stale, 1);
 918         string_list_clear(&states->tracked, 0);
 919         string_list_clear(&states->heads, 0);
 920         string_list_clear_func(&states->push, clear_push_info);
 921 }
 922
 923 static int append_ref_to_tracked_list(const char *refname,
 924         const struct object_id *oid, int flags, void *cb_data)
 925 {
 926         struct ref_states *states = cb_data;
 927         struct refspec_item refspec;
 928
 929         if (flags & REF_ISSYMREF)
 930                 return 0;
 931
 932         memset(&refspec, 0, sizeof(refspec));
 933         refspec.dst = (char *)refname;
 934         if (!remote_find_tracking(states->remote, &refspec))
 935                 string_list_append(&states->tracked, abbrev_branch(refspec.src));
 936
 937         return 0;
 938 }
 939
 940 static int get_remote_ref_states(const char *name,
 941                                  struct ref_states *states,
 942                                  int query)
 943 {
 944         struct transport *transport;
 945         const struct ref *remote_refs;
 946
 947         states->remote = remote_get(name);
 948         if (!states->remote)
 949                 return error(_("No such remote: '%s'"), name);
 950
 951         read_branches();
 952
 953         if (query) {
 954                 transport = transport_get(states->remote, states->remote->url_nr > 0 ?
 955                         states->remote->url[0] : NULL);
 956                 remote_refs = transport_get_remote_refs(transport, NULL);
 957                 transport_disconnect(transport);
 958
 959                 states->queried = 1;
 960                 if (query & GET_REF_STATES)
 961                         get_ref_states(remote_refs, states);
 962                 if (query & GET_HEAD_NAMES)
 963                         get_head_names(remote_refs, states);
 964                 if (query & GET_PUSH_REF_STATES)
 965                         get_push_ref_states(remote_refs, states);
 966         } else {
 967                 for_each_ref(append_ref_to_tracked_list, states);
 968                 string_list_sort(&states->tracked);
 969                 get_push_ref_states_noquery(states);
 970         }
 971
 972         return 0;
 973 }
 974
 975 struct show_info {
 976         struct string_list *list;
 977         struct ref_states *states;
 978         int width, width2;
 979         int any_rebase;
 980 };
 981
 982 static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
 983 {
 984         struct show_info *info = cb_data;
 985         int n = strlen(item->string);
 986         if (n > info->width)
 987                 info->width = n;
 988         string_list_insert(info->list, item->string);
 989         return 0;
 990 }
 991
 992 static int show_remote_info_item(struct string_list_item *item, void *cb_data)
 993 {
 994         struct show_info *info = cb_data;
 995         struct ref_states *states = info->states;
 996         const char *name = item->string;
 997
 998         if (states->queried) {
 999                 const char *fmt = "%s";
1000                 const char *arg = "";
1001                 if (string_list_has_string(&states->new_refs, name)) {
1002                         fmt = _(" new (next fetch will store in remotes/%s)");
1003                         arg = states->remote->name;
1004                 } else if (string_list_has_string(&states->tracked, name))
1005                         arg = _(" tracked");
1006                 else if (string_list_has_string(&states->stale, name))
1007                         arg = _(" stale (use 'git remote prune' to remove)");
1008                 else
1009                         arg = _(" ???");
1010                 printf("    %-*s", info->width, name);
1011                 printf(fmt, arg);
1012                 printf("\n");
1013         } else
1014                 printf("    %s\n", name);
1015
1016         return 0;
1017 }
1018
1019 static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
1020 {
1021         struct show_info *show_info = cb_data;
1022         struct ref_states *states = show_info->states;
1023         struct branch_info *branch_info = branch_item->util;
1024         struct string_list_item *item;
1025         int n;
1026
1027         if (!branch_info->merge.nr || !branch_info->remote_name ||
1028             strcmp(states->remote->name, branch_info->remote_name))
1029                 return 0;
1030         if ((n = strlen(branch_item->string)) > show_info->width)
1031                 show_info->width = n;
1032         if (branch_info->rebase >= REBASE_TRUE)
1033                 show_info->any_rebase = 1;
1034
1035         item = string_list_insert(show_info->list, branch_item->string);
1036         item->util = branch_info;
1037
1038         return 0;
1039 }
1040
1041 static int show_local_info_item(struct string_list_item *item, void *cb_data)
1042 {
1043         struct show_info *show_info = cb_data;
1044         struct branch_info *branch_info = item->util;
1045         struct string_list *merge = &branch_info->merge;
1046         int width = show_info->width + 4;
1047         int i;
1048
1049         if (branch_info->rebase >= REBASE_TRUE && branch_info->merge.nr > 1) {
1050                 error(_("invalid branch.%s.merge; cannot rebase onto > 1 branch"),
1051                         item->string);
1052                 return 0;
1053         }
1054
1055         printf("    %-*s ", show_info->width, item->string);
1056         if (branch_info->rebase >= REBASE_TRUE) {
1057                 const char *msg;
1058                 if (branch_info->rebase == REBASE_INTERACTIVE)
1059                         msg = _("rebases interactively onto remote %s");
1060                 else if (branch_info->rebase == REBASE_MERGES)
1061                         msg = _("rebases interactively (with merges) onto "
1062                                 "remote %s");
1063                 else
1064                         msg = _("rebases onto remote %s");
1065                 printf_ln(msg, merge->items[0].string);
1066                 return 0;
1067         } else if (show_info->any_rebase) {
1068                 printf_ln(_(" merges with remote %s"), merge->items[0].string);
1069                 width++;
1070         } else {
1071                 printf_ln(_("merges with remote %s"), merge->items[0].string);
1072         }
1073         for (i = 1; i < merge->nr; i++)
1074                 printf(_("%-*s    and with remote %s\n"), width, "",
1075                        merge->items[i].string);
1076
1077         return 0;
1078 }
1079
1080 static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
1081 {
1082         struct show_info *show_info = cb_data;
1083         struct push_info *push_info = push_item->util;
1084         struct string_list_item *item;
1085         int n;
1086         if ((n = strlen(push_item->string)) > show_info->width)
1087                 show_info->width = n;
1088         if ((n = strlen(push_info->dest)) > show_info->width2)
1089                 show_info->width2 = n;
1090         item = string_list_append(show_info->list, push_item->string);
1091         item->util = push_item->util;
1092         return 0;
1093 }
1094
1095 /*
1096  * Sorting comparison for a string list that has push_info
1097  * structs in its util field
1098  */
1099 static int cmp_string_with_push(const void *va, const void *vb)
1100 {
1101         const struct string_list_item *a = va;
1102         const struct string_list_item *b = vb;
1103         const struct push_info *a_push = a->util;
1104         const struct push_info *b_push = b->util;
1105         int cmp = strcmp(a->string, b->string);
1106         return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
1107 }
1108
1109 static int show_push_info_item(struct string_list_item *item, void *cb_data)
1110 {
1111         struct show_info *show_info = cb_data;
1112         struct push_info *push_info = item->util;
1113         const char *src = item->string, *status = NULL;
1114
1115         switch (push_info->status) {
1116         case PUSH_STATUS_CREATE:
1117                 status = _("create");
1118                 break;
1119         case PUSH_STATUS_DELETE:
1120                 status = _("delete");
1121                 src = _("(none)");
1122                 break;
1123         case PUSH_STATUS_UPTODATE:
1124                 status = _("up to date");
1125                 break;
1126         case PUSH_STATUS_FASTFORWARD:
1127                 status = _("fast-forwardable");
1128                 break;
1129         case PUSH_STATUS_OUTOFDATE:
1130                 status = _("local out of date");
1131                 break;
1132         case PUSH_STATUS_NOTQUERIED:
1133                 break;
1134         }
1135         if (status) {
1136                 if (push_info->forced)
1137                         printf_ln(_("    %-*s forces to %-*s (%s)"), show_info->width, src,
1138                                show_info->width2, push_info->dest, status);
1139                 else
1140                         printf_ln(_("    %-*s pushes to %-*s (%s)"), show_info->width, src,
1141                                show_info->width2, push_info->dest, status);
1142         } else {
1143                 if (push_info->forced)
1144                         printf_ln(_("    %-*s forces to %s"), show_info->width, src,
1145                                push_info->dest);
1146                 else
1147                         printf_ln(_("    %-*s pushes to %s"), show_info->width, src,
1148                                push_info->dest);
1149         }
1150         return 0;
1151 }
1152
1153 static int get_one_entry(struct remote *remote, void *priv)
1154 {
1155         struct string_list *list = priv;
1156         struct strbuf url_buf = STRBUF_INIT;
1157         const char **url;
1158         int i, url_nr;
1159
1160         if (remote->url_nr > 0) {
1161                 strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
1162                 string_list_append(list, remote->name)->util =
1163                                 strbuf_detach(&url_buf, NULL);
1164         } else
1165                 string_list_append(list, remote->name)->util = NULL;
1166         if (remote->pushurl_nr) {
1167                 url = remote->pushurl;
1168                 url_nr = remote->pushurl_nr;
1169         } else {
1170                 url = remote->url;
1171                 url_nr = remote->url_nr;
1172         }
1173         for (i = 0; i < url_nr; i++)
1174         {
1175                 strbuf_addf(&url_buf, "%s (push)", url[i]);
1176                 string_list_append(list, remote->name)->util =
1177                                 strbuf_detach(&url_buf, NULL);
1178         }
1179
1180         return 0;
1181 }
1182
1183 static int show_all(void)
1184 {
1185         struct string_list list = STRING_LIST_INIT_NODUP;
1186         int result;
1187
1188         list.strdup_strings = 1;
1189         result = for_each_remote(get_one_entry, &list);
1190
1191         if (!result) {
1192                 int i;
1193
1194                 string_list_sort(&list);
1195                 for (i = 0; i < list.nr; i++) {
1196                         struct string_list_item *item = list.items + i;
1197                         if (verbose)
1198                                 printf("%s\t%s\n", item->string,
1199                                         item->util ? (const char *)item->util : "");
1200                         else {
1201                                 if (i && !strcmp((item - 1)->string, item->string))
1202                                         continue;
1203                                 printf("%s\n", item->string);
1204                         }
1205                 }
1206         }
1207         string_list_clear(&list, 1);
1208         return result;
1209 }
1210
1211 static int show(int argc, const char **argv)
1212 {
1213         int no_query = 0, result = 0, query_flag = 0;
1214         struct option options[] = {
1215                 OPT_BOOL('n', NULL, &no_query, N_("do not query remotes")),
1216                 OPT_END()
1217         };
1218         struct ref_states states;
1219         struct string_list info_list = STRING_LIST_INIT_NODUP;
1220         struct show_info info;
1221
1222         argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
1223                              0);
1224
1225         if (argc < 1)
1226                 return show_all();
1227
1228         if (!no_query)
1229                 query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
1230
1231         memset(&states, 0, sizeof(states));
1232         memset(&info, 0, sizeof(info));
1233         info.states = &states;
1234         info.list = &info_list;
1235         for (; argc; argc--, argv++) {
1236                 int i;
1237                 const char **url;
1238                 int url_nr;
1239
1240                 get_remote_ref_states(*argv, &states, query_flag);
1241
1242                 printf_ln(_("* remote %s"), *argv);
1243                 printf_ln(_("  Fetch URL: %s"), states.remote->url_nr > 0 ?
1244                        states.remote->url[0] : _("(no URL)"));
1245                 if (states.remote->pushurl_nr) {
1246                         url = states.remote->pushurl;
1247                         url_nr = states.remote->pushurl_nr;
1248                 } else {
1249                         url = states.remote->url;
1250                         url_nr = states.remote->url_nr;
1251                 }
1252                 for (i = 0; i < url_nr; i++)
1253                         /*
1254                          * TRANSLATORS: the colon ':' should align
1255                          * with the one in " Fetch URL: %s"
1256                          * translation.
1257                          */
1258                         printf_ln(_("  Push  URL: %s"), url[i]);
1259                 if (!i)
1260                         printf_ln(_("  Push  URL: %s"), _("(no URL)"));
1261                 if (no_query)
1262                         printf_ln(_("  HEAD branch: %s"), _("(not queried)"));
1263                 else if (!states.heads.nr)
1264                         printf_ln(_("  HEAD branch: %s"), _("(unknown)"));
1265                 else if (states.heads.nr == 1)
1266                         printf_ln(_("  HEAD branch: %s"), states.heads.items[0].string);
1267                 else {
1268                         printf(_("  HEAD branch (remote HEAD is ambiguous,"
1269                                  " may be one of the following):\n"));
1270                         for (i = 0; i < states.heads.nr; i++)
1271                                 printf("    %s\n", states.heads.items[i].string);
1272                 }
1273
1274                 /* remote branch info */
1275                 info.width = 0;
1276                 for_each_string_list(&states.new_refs, add_remote_to_show_info, &info);
1277                 for_each_string_list(&states.tracked, add_remote_to_show_info, &info);
1278                 for_each_string_list(&states.stale, add_remote_to_show_info, &info);
1279                 if (info.list->nr)
1280                         printf_ln(Q_("  Remote branch:%s",
1281                                      "  Remote branches:%s",
1282                                      info.list->nr),
1283                                   no_query ? _(" (status not queried)") : "");
1284                 for_each_string_list(info.list, show_remote_info_item, &info);
1285                 string_list_clear(info.list, 0);
1286
1287                 /* git pull info */
1288                 info.width = 0;
1289                 info.any_rebase = 0;
1290                 for_each_string_list(&branch_list, add_local_to_show_info, &info);
1291                 if (info.list->nr)
1292                         printf_ln(Q_("  Local branch configured for 'git pull':",
1293                                      "  Local branches configured for 'git pull':",
1294                                      info.list->nr));
1295                 for_each_string_list(info.list, show_local_info_item, &info);
1296                 string_list_clear(info.list, 0);
1297
1298                 /* git push info */
1299                 if (states.remote->mirror)
1300                         printf_ln(_("  Local refs will be mirrored by 'git push'"));
1301
1302                 info.width = info.width2 = 0;
1303                 for_each_string_list(&states.push, add_push_to_show_info, &info);
1304                 QSORT(info.list->items, info.list->nr, cmp_string_with_push);
1305                 if (info.list->nr)
1306                         printf_ln(Q_("  Local ref configured for 'git push'%s:",
1307                                      "  Local refs configured for 'git push'%s:",
1308                                      info.list->nr),
1309                                   no_query ? _(" (status not queried)") : "");
1310                 for_each_string_list(info.list, show_push_info_item, &info);
1311                 string_list_clear(info.list, 0);
1312
1313                 free_remote_ref_states(&states);
1314         }
1315
1316         return result;
1317 }
1318
1319 static int set_head(int argc, const char **argv)
1320 {
1321         int i, opt_a = 0, opt_d = 0, result = 0;
1322         struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1323         char *head_name = NULL;
1324
1325         struct option options[] = {
1326                 OPT_BOOL('a', "auto", &opt_a,
1327                          N_("set refs/remotes/<name>/HEAD according to remote")),
1328                 OPT_BOOL('d', "delete", &opt_d,
1329                          N_("delete refs/remotes/<name>/HEAD")),
1330                 OPT_END()
1331         };
1332         argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
1333                              0);
1334         if (argc)
1335                 strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1336
1337         if (!opt_a && !opt_d && argc == 2) {
1338                 head_name = xstrdup(argv[1]);
1339         } else if (opt_a && !opt_d && argc == 1) {
1340                 struct ref_states states;
1341                 memset(&states, 0, sizeof(states));
1342                 get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1343                 if (!states.heads.nr)
1344                         result |= error(_("Cannot determine remote HEAD"));
1345                 else if (states.heads.nr > 1) {
1346                         result |= error(_("Multiple remote HEAD branches. "
1347                                           "Please choose one explicitly with:"));
1348                         for (i = 0; i < states.heads.nr; i++)
1349                                 fprintf(stderr, "  git remote set-head %s %s\n",
1350                                         argv[0], states.heads.items[i].string);
1351                 } else
1352                         head_name = xstrdup(states.heads.items[0].string);
1353                 free_remote_ref_states(&states);
1354         } else if (opt_d && !opt_a && argc == 1) {
1355                 if (delete_ref(NULL, buf.buf, NULL, REF_NO_DEREF))
1356                         result |= error(_("Could not delete %s"), buf.buf);
1357         } else
1358                 usage_with_options(builtin_remote_sethead_usage, options);
1359
1360         if (head_name) {
1361                 strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1362                 /* make sure it's valid */
1363                 if (!ref_exists(buf2.buf))
1364                         result |= error(_("Not a valid ref: %s"), buf2.buf);
1365                 else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1366                         result |= error(_("Could not setup %s"), buf.buf);
1367                 else if (opt_a)
1368                         printf("%s/HEAD set to %s\n", argv[0], head_name);
1369                 free(head_name);
1370         }
1371
1372         strbuf_release(&buf);
1373         strbuf_release(&buf2);
1374         return result;
1375 }
1376
1377 static int prune_remote(const char *remote, int dry_run)
1378 {
1379         int result = 0;
1380         struct ref_states states;
1381         struct string_list refs_to_prune = STRING_LIST_INIT_NODUP;
1382         struct string_list_item *item;
1383         const char *dangling_msg = dry_run
1384                 ? _(" %s will become dangling!")
1385                 : _(" %s has become dangling!");
1386
1387         memset(&states, 0, sizeof(states));
1388         get_remote_ref_states(remote, &states, GET_REF_STATES);
1389
1390         if (!states.stale.nr) {
1391                 free_remote_ref_states(&states);
1392                 return 0;
1393         }
1394
1395         printf_ln(_("Pruning %s"), remote);
1396         printf_ln(_("URL: %s"),
1397                   states.remote->url_nr
1398                   ? states.remote->url[0]
1399                   : _("(no URL)"));
1400
1401         for_each_string_list_item(item, &states.stale)
1402                 string_list_append(&refs_to_prune, item->util);
1403         string_list_sort(&refs_to_prune);
1404
1405         if (!dry_run)
1406                 result |= delete_refs("remote: prune", &refs_to_prune, 0);
1407
1408         for_each_string_list_item(item, &states.stale) {
1409                 const char *refname = item->util;
1410
1411                 if (dry_run)
1412                         printf_ln(_(" * [would prune] %s"),
1413                                abbrev_ref(refname, "refs/remotes/"));
1414                 else
1415                         printf_ln(_(" * [pruned] %s"),
1416                                abbrev_ref(refname, "refs/remotes/"));
1417         }
1418
1419         warn_dangling_symrefs(stdout, dangling_msg, &refs_to_prune);
1420
1421         string_list_clear(&refs_to_prune, 0);
1422         free_remote_ref_states(&states);
1423         return result;
1424 }
1425
1426 static int prune(int argc, const char **argv)
1427 {
1428         int dry_run = 0, result = 0;
1429         struct option options[] = {
1430                 OPT__DRY_RUN(&dry_run, N_("dry run")),
1431                 OPT_END()
1432         };
1433
1434         argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
1435                              0);
1436
1437         if (argc < 1)
1438                 usage_with_options(builtin_remote_prune_usage, options);
1439
1440         for (; argc; argc--, argv++)
1441                 result |= prune_remote(*argv, dry_run);
1442
1443         return result;
1444 }
1445
1446 static int get_remote_default(const char *key, const char *value, void *priv)
1447 {
1448         if (strcmp(key, "remotes.default") == 0) {
1449                 int *found = priv;
1450                 *found = 1;
1451         }
1452         return 0;
1453 }
1454
1455 static int update(int argc, const char **argv)
1456 {
1457         int i, prune = -1;
1458         struct option options[] = {
1459                 OPT_BOOL('p', "prune", &prune,
1460                          N_("prune remotes after fetching")),
1461                 OPT_END()
1462         };
1463         struct strvec fetch_argv = STRVEC_INIT;
1464         int default_defined = 0;
1465         int retval;
1466
1467         argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1468                              PARSE_OPT_KEEP_ARGV0);
1469
1470         strvec_push(&fetch_argv, "fetch");
1471
1472         if (prune != -1)
1473                 strvec_push(&fetch_argv, prune ? "--prune" : "--no-prune");
1474         if (verbose)
1475                 strvec_push(&fetch_argv, "-v");
1476         strvec_push(&fetch_argv, "--multiple");
1477         if (argc < 2)
1478                 strvec_push(&fetch_argv, "default");
1479         for (i = 1; i < argc; i++)
1480                 strvec_push(&fetch_argv, argv[i]);
1481
1482         if (strcmp(fetch_argv.v[fetch_argv.nr-1], "default") == 0) {
1483                 git_config(get_remote_default, &default_defined);
1484                 if (!default_defined) {
1485                         strvec_pop(&fetch_argv);
1486                         strvec_push(&fetch_argv, "--all");
1487                 }
1488         }
1489
1490         retval = run_command_v_opt(fetch_argv.v, RUN_GIT_CMD);
1491         strvec_clear(&fetch_argv);
1492         return retval;
1493 }
1494
1495 static int remove_all_fetch_refspecs(const char *key)
1496 {
1497         return git_config_set_multivar_gently(key, NULL, NULL, 1);
1498 }
1499
1500 static void add_branches(struct remote *remote, const char **branches,
1501                          const char *key)
1502 {
1503         const char *remotename = remote->name;
1504         int mirror = remote->mirror;
1505         struct strbuf refspec = STRBUF_INIT;
1506
1507         for (; *branches; branches++)
1508                 add_branch(key, *branches, remotename, mirror, &refspec);
1509
1510         strbuf_release(&refspec);
1511 }
1512
1513 static int set_remote_branches(const char *remotename, const char **branches,
1514                                 int add_mode)
1515 {
1516         struct strbuf key = STRBUF_INIT;
1517         struct remote *remote;
1518
1519         strbuf_addf(&key, "remote.%s.fetch", remotename);
1520
1521         remote = remote_get(remotename);
1522         if (!remote_is_configured(remote, 1)) {
1523                 error(_("No such remote '%s'"), remotename);
1524                 exit(2);
1525         }
1526
1527         if (!add_mode && remove_all_fetch_refspecs(key.buf)) {
1528                 strbuf_release(&key);
1529                 return 1;
1530         }
1531         add_branches(remote, branches, key.buf);
1532
1533         strbuf_release(&key);
1534         return 0;
1535 }
1536
1537 static int set_branches(int argc, const char **argv)
1538 {
1539         int add_mode = 0;
1540         struct option options[] = {
1541                 OPT_BOOL('\0', "add", &add_mode, N_("add branch")),
1542                 OPT_END()
1543         };
1544
1545         argc = parse_options(argc, argv, NULL, options,
1546                              builtin_remote_setbranches_usage, 0);
1547         if (argc == 0) {
1548                 error(_("no remote specified"));
1549                 usage_with_options(builtin_remote_setbranches_usage, options);
1550         }
1551         argv[argc] = NULL;
1552
1553         return set_remote_branches(argv[0], argv + 1, add_mode);
1554 }
1555
1556 static int get_url(int argc, const char **argv)
1557 {
1558         int i, push_mode = 0, all_mode = 0;
1559         const char *remotename = NULL;
1560         struct remote *remote;
1561         const char **url;
1562         int url_nr;
1563         struct option options[] = {
1564                 OPT_BOOL('\0', "push", &push_mode,
1565                          N_("query push URLs rather than fetch URLs")),
1566                 OPT_BOOL('\0', "all", &all_mode,
1567                          N_("return all URLs")),
1568                 OPT_END()
1569         };
1570         argc = parse_options(argc, argv, NULL, options, builtin_remote_geturl_usage, 0);
1571
1572         if (argc != 1)
1573                 usage_with_options(builtin_remote_geturl_usage, options);
1574
1575         remotename = argv[0];
1576
1577         remote = remote_get(remotename);
1578         if (!remote_is_configured(remote, 1)) {
1579                 error(_("No such remote '%s'"), remotename);
1580                 exit(2);
1581         }
1582
1583         url_nr = 0;
1584         if (push_mode) {
1585                 url = remote->pushurl;
1586                 url_nr = remote->pushurl_nr;
1587         }
1588         /* else fetch mode */
1589
1590         /* Use the fetch URL when no push URLs were found or requested. */
1591         if (!url_nr) {
1592                 url = remote->url;
1593                 url_nr = remote->url_nr;
1594         }
1595
1596         if (!url_nr)
1597                 die(_("no URLs configured for remote '%s'"), remotename);
1598
1599         if (all_mode) {
1600                 for (i = 0; i < url_nr; i++)
1601                         printf_ln("%s", url[i]);
1602         } else {
1603                 printf_ln("%s", *url);
1604         }
1605
1606         return 0;
1607 }
1608
1609 static int set_url(int argc, const char **argv)
1610 {
1611         int i, push_mode = 0, add_mode = 0, delete_mode = 0;
1612         int matches = 0, negative_matches = 0;
1613         const char *remotename = NULL;
1614         const char *newurl = NULL;
1615         const char *oldurl = NULL;
1616         struct remote *remote;
1617         regex_t old_regex;
1618         const char **urlset;
1619         int urlset_nr;
1620         struct strbuf name_buf = STRBUF_INIT;
1621         struct option options[] = {
1622                 OPT_BOOL('\0', "push", &push_mode,
1623                          N_("manipulate push URLs")),
1624                 OPT_BOOL('\0', "add", &add_mode,
1625                          N_("add URL")),
1626                 OPT_BOOL('\0', "delete", &delete_mode,
1627                             N_("delete URLs")),
1628                 OPT_END()
1629         };
1630         argc = parse_options(argc, argv, NULL, options, builtin_remote_seturl_usage,
1631                              PARSE_OPT_KEEP_ARGV0);
1632
1633         if (add_mode && delete_mode)
1634                 die(_("--add --delete doesn't make sense"));
1635
1636         if (argc < 3 || argc > 4 || ((add_mode || delete_mode) && argc != 3))
1637                 usage_with_options(builtin_remote_seturl_usage, options);
1638
1639         remotename = argv[1];
1640         newurl = argv[2];
1641         if (argc > 3)
1642                 oldurl = argv[3];
1643
1644         if (delete_mode)
1645                 oldurl = newurl;
1646
1647         remote = remote_get(remotename);
1648         if (!remote_is_configured(remote, 1)) {
1649                 error(_("No such remote '%s'"), remotename);
1650                 exit(2);
1651         }
1652
1653         if (push_mode) {
1654                 strbuf_addf(&name_buf, "remote.%s.pushurl", remotename);
1655                 urlset = remote->pushurl;
1656                 urlset_nr = remote->pushurl_nr;
1657         } else {
1658                 strbuf_addf(&name_buf, "remote.%s.url", remotename);
1659                 urlset = remote->url;
1660                 urlset_nr = remote->url_nr;
1661         }
1662
1663         /* Special cases that add new entry. */
1664         if ((!oldurl && !delete_mode) || add_mode) {
1665                 if (add_mode)
1666                         git_config_set_multivar(name_buf.buf, newurl,
1667                                                        "^$", 0);
1668                 else
1669                         git_config_set(name_buf.buf, newurl);
1670                 goto out;
1671         }
1672
1673         /* Old URL specified. Demand that one matches. */
1674         if (regcomp(&old_regex, oldurl, REG_EXTENDED))
1675                 die(_("Invalid old URL pattern: %s"), oldurl);
1676
1677         for (i = 0; i < urlset_nr; i++)
1678                 if (!regexec(&old_regex, urlset[i], 0, NULL, 0))
1679                         matches++;
1680                 else
1681                         negative_matches++;
1682         if (!delete_mode && !matches)
1683                 die(_("No such URL found: %s"), oldurl);
1684         if (delete_mode && !negative_matches && !push_mode)
1685                 die(_("Will not delete all non-push URLs"));
1686
1687         regfree(&old_regex);
1688
1689         if (!delete_mode)
1690                 git_config_set_multivar(name_buf.buf, newurl, oldurl, 0);
1691         else
1692                 git_config_set_multivar(name_buf.buf, NULL, oldurl, 1);
1693 out:
1694         strbuf_release(&name_buf);
1695         return 0;
1696 }
1697
1698 int cmd_remote(int argc, const char **argv, const char *prefix)
1699 {
1700         struct option options[] = {
1701                 OPT__VERBOSE(&verbose, N_("be verbose; must be placed before a subcommand")),
1702                 OPT_END()
1703         };
1704         int result;
1705
1706         argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1707                 PARSE_OPT_STOP_AT_NON_OPTION);
1708
1709         if (argc < 1)
1710                 result = show_all();
1711         else if (!strcmp(argv[0], "add"))
1712                 result = add(argc, argv);
1713         else if (!strcmp(argv[0], "rename"))
1714                 result = mv(argc, argv);
1715         else if (!strcmp(argv[0], "rm") || !strcmp(argv[0], "remove"))
1716                 result = rm(argc, argv);
1717         else if (!strcmp(argv[0], "set-head"))
1718                 result = set_head(argc, argv);
1719         else if (!strcmp(argv[0], "set-branches"))
1720                 result = set_branches(argc, argv);
1721         else if (!strcmp(argv[0], "get-url"))
1722                 result = get_url(argc, argv);
1723         else if (!strcmp(argv[0], "set-url"))
1724                 result = set_url(argc, argv);
1725         else if (!strcmp(argv[0], "show"))
1726                 result = show(argc, argv);
1727         else if (!strcmp(argv[0], "prune"))
1728                 result = prune(argc, argv);
1729         else if (!strcmp(argv[0], "update"))
1730                 result = update(argc, argv);
1731         else {
1732                 error(_("Unknown subcommand: %s"), argv[0]);
1733                 usage_with_options(builtin_remote_usage, options);
1734         }
1735
1736         return result ? 1 : 0;
1737 }