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 #include "progress.h"
  16
  17 static const char * const builtin_remote_usage[] = {
  18         "git remote [-v | --verbose]",
  19         N_("git remote add [-t <branch>] [-m <master>] [-f] [--tags | --no-tags] [--mirror=<fetch|push>] <name> <url>"),
  20         N_("git remote rename [--[no-]progress] <old> <new>"),
  21         N_("git remote remove <name>"),
  22         N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
  23         N_("git remote [-v | --verbose] show [-n] <name>"),
  24         N_("git remote prune [-n | --dry-run] <name>"),
  25         N_("git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]"),
  26         N_("git remote set-branches [--add] <name> <branch>..."),
  27         N_("git remote get-url [--push] [--all] <name>"),
  28         N_("git remote set-url [--push] <name> <newurl> [<oldurl>]"),
  29         N_("git remote set-url --add <name> <newurl>"),
  30         N_("git remote set-url --delete <name> <url>"),
  31         NULL
  32 };
  33
  34 static const char * const builtin_remote_add_usage[] = {
  35         N_("git remote add [<options>] <name> <url>"),
  36         NULL
  37 };
  38
  39 static const char * const builtin_remote_rename_usage[] = {
  40         N_("git remote rename [--[no-]progress] <old> <new>"),
  41         NULL
  42 };
  43
  44 static const char * const builtin_remote_rm_usage[] = {
  45         N_("git remote remove <name>"),
  46         NULL
  47 };
  48
  49 static const char * const builtin_remote_sethead_usage[] = {
  50         N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
  51         NULL
  52 };
  53
  54 static const char * const builtin_remote_setbranches_usage[] = {
  55         N_("git remote set-branches <name> <branch>..."),
  56         N_("git remote set-branches --add <name> <branch>..."),
  57         NULL
  58 };
  59
  60 static const char * const builtin_remote_show_usage[] = {
  61         N_("git remote show [<options>] <name>"),
  62         NULL
  63 };
  64
  65 static const char * const builtin_remote_prune_usage[] = {
  66         N_("git remote prune [<options>] <name>"),
  67         NULL
  68 };
  69
  70 static const char * const builtin_remote_update_usage[] = {
  71         N_("git remote update [<options>] [<group> | <remote>]..."),
  72         NULL
  73 };
  74
  75 static const char * const builtin_remote_geturl_usage[] = {
  76         N_("git remote get-url [--push] [--all] <name>"),
  77         NULL
  78 };
  79
  80 static const char * const builtin_remote_seturl_usage[] = {
  81         N_("git remote set-url [--push] <name> <newurl> [<oldurl>]"),
  82         N_("git remote set-url --add <name> <newurl>"),
  83         N_("git remote set-url --delete <name> <url>"),
  84         NULL
  85 };
  86
  87 #define GET_REF_STATES (1<<0)
  88 #define GET_HEAD_NAMES (1<<1)
  89 #define GET_PUSH_REF_STATES (1<<2)
  90
  91 static int verbose;
  92
  93 static int fetch_remote(const char *name)
  94 {
  95         const char *argv[] = { "fetch", name, NULL, NULL };
  96         if (verbose) {
  97                 argv[1] = "-v";
  98                 argv[2] = name;
  99         }
 100         printf_ln(_("Updating %s"), name);
 101         if (run_command_v_opt(argv, RUN_GIT_CMD))
 102                 return error(_("Could not fetch %s"), name);
 103         return 0;
 104 }
 105
 106 enum {
 107         TAGS_UNSET = 0,
 108         TAGS_DEFAULT = 1,
 109         TAGS_SET = 2
 110 };
 111
 112 #define MIRROR_NONE 0
 113 #define MIRROR_FETCH 1
 114 #define MIRROR_PUSH 2
 115 #define MIRROR_BOTH (MIRROR_FETCH|MIRROR_PUSH)
 116
 117 static void add_branch(const char *key, const char *branchname,
 118                        const char *remotename, int mirror, struct strbuf *tmp)
 119 {
 120         strbuf_reset(tmp);
 121         strbuf_addch(tmp, '+');
 122         if (mirror)
 123                 strbuf_addf(tmp, "refs/%s:refs/%s",
 124                                 branchname, branchname);
 125         else
 126                 strbuf_addf(tmp, "refs/heads/%s:refs/remotes/%s/%s",
 127                                 branchname, remotename, branchname);
 128         git_config_set_multivar(key, tmp->buf, "^$", 0);
 129 }
 130
 131 static const char mirror_advice[] =
 132 N_("--mirror is dangerous and deprecated; please\n"
 133    "\t use --mirror=fetch or --mirror=push instead");
 134
 135 static int parse_mirror_opt(const struct option *opt, const char *arg, int not)
 136 {
 137         unsigned *mirror = opt->value;
 138         if (not)
 139                 *mirror = MIRROR_NONE;
 140         else if (!arg) {
 141                 warning("%s", _(mirror_advice));
 142                 *mirror = MIRROR_BOTH;
 143         }
 144         else if (!strcmp(arg, "fetch"))
 145                 *mirror = MIRROR_FETCH;
 146         else if (!strcmp(arg, "push"))
 147                 *mirror = MIRROR_PUSH;
 148         else
 149                 return error(_("unknown mirror argument: %s"), arg);
 150         return 0;
 151 }
 152
 153 static int add(int argc, const char **argv)
 154 {
 155         int fetch = 0, fetch_tags = TAGS_DEFAULT;
 156         unsigned mirror = MIRROR_NONE;
 157         struct string_list track = STRING_LIST_INIT_NODUP;
 158         const char *master = NULL;
 159         struct remote *remote;
 160         struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
 161         const char *name, *url;
 162         int i;
 163
 164         struct option options[] = {
 165                 OPT_BOOL('f', "fetch", &fetch, N_("fetch the remote branches")),
 166                 OPT_SET_INT(0, "tags", &fetch_tags,
 167                             N_("import all tags and associated objects when fetching"),
 168                             TAGS_SET),
 169                 OPT_SET_INT(0, NULL, &fetch_tags,
 170                             N_("or do not fetch any tag at all (--no-tags)"), TAGS_UNSET),
 171                 OPT_STRING_LIST('t', "track", &track, N_("branch"),
 172                                 N_("branch(es) to track")),
 173                 OPT_STRING('m', "master", &master, N_("branch"), N_("master branch")),
 174                 OPT_CALLBACK_F(0, "mirror", &mirror, "(push|fetch)",
 175                         N_("set up remote as a mirror to push to or fetch from"),
 176                         PARSE_OPT_OPTARG | PARSE_OPT_COMP_ARG, parse_mirror_opt),
 177                 OPT_END()
 178         };
 179
 180         argc = parse_options(argc, argv, NULL, options, builtin_remote_add_usage,
 181                              0);
 182
 183         if (argc != 2)
 184                 usage_with_options(builtin_remote_add_usage, options);
 185
 186         if (mirror && master)
 187                 die(_("specifying a master branch makes no sense with --mirror"));
 188         if (mirror && !(mirror & MIRROR_FETCH) && track.nr)
 189                 die(_("specifying branches to track makes sense only with fetch mirrors"));
 190
 191         name = argv[0];
 192         url = argv[1];
 193
 194         remote = remote_get(name);
 195         if (remote_is_configured(remote, 1)) {
 196                 error(_("remote %s already exists."), name);
 197                 exit(3);
 198         }
 199
 200         if (!valid_remote_name(name))
 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                 if (info->rebase == REBASE_INVALID)
 323                         warning(_("unhandled branch.%s.rebase=%s; assuming "
 324                                   "'true'"), name, value);
 325                 break;
 326         case PUSH_REMOTE:
 327                 if (info->push_remote_name)
 328                         warning(_("more than one %s"), orig_key);
 329                 info->push_remote_name = xstrdup(value);
 330                 break;
 331         default:
 332                 BUG("unexpected type=%d", type);
 333         }
 334
 335         return 0;
 336 }
 337
 338 static void read_branches(void)
 339 {
 340         if (branch_list.nr)
 341                 return;
 342         git_config(config_read_branches, NULL);
 343 }
 344
 345 struct ref_states {
 346         struct remote *remote;
 347         struct string_list new_refs, skipped, stale, tracked, heads, push;
 348         int queried;
 349 };
 350
 351 #define REF_STATES_INIT { \
 352         .new_refs = STRING_LIST_INIT_DUP, \
 353         .skipped = STRING_LIST_INIT_DUP, \
 354         .stale = STRING_LIST_INIT_DUP, \
 355         .tracked = STRING_LIST_INIT_DUP, \
 356         .heads = STRING_LIST_INIT_DUP, \
 357         .push = STRING_LIST_INIT_DUP, \
 358 }
 359
 360 static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
 361 {
 362         struct ref *fetch_map = NULL, **tail = &fetch_map;
 363         struct ref *ref, *stale_refs;
 364         int i;
 365
 366         for (i = 0; i < states->remote->fetch.nr; i++)
 367                 if (get_fetch_map(remote_refs, &states->remote->fetch.items[i], &tail, 1))
 368                         die(_("Could not get fetch map for refspec %s"),
 369                                 states->remote->fetch.raw[i]);
 370
 371         for (ref = fetch_map; ref; ref = ref->next) {
 372                 if (omit_name_by_refspec(ref->name, &states->remote->fetch))
 373                         string_list_append(&states->skipped, abbrev_branch(ref->name));
 374                 else if (!ref->peer_ref || !ref_exists(ref->peer_ref->name))
 375                         string_list_append(&states->new_refs, abbrev_branch(ref->name));
 376                 else
 377                         string_list_append(&states->tracked, abbrev_branch(ref->name));
 378         }
 379         stale_refs = get_stale_heads(&states->remote->fetch, fetch_map);
 380         for (ref = stale_refs; ref; ref = ref->next) {
 381                 struct string_list_item *item =
 382                         string_list_append(&states->stale, abbrev_branch(ref->name));
 383                 item->util = xstrdup(ref->name);
 384         }
 385         free_refs(stale_refs);
 386         free_refs(fetch_map);
 387
 388         string_list_sort(&states->new_refs);
 389         string_list_sort(&states->skipped);
 390         string_list_sort(&states->tracked);
 391         string_list_sort(&states->stale);
 392
 393         return 0;
 394 }
 395
 396 struct push_info {
 397         char *dest;
 398         int forced;
 399         enum {
 400                 PUSH_STATUS_CREATE = 0,
 401                 PUSH_STATUS_DELETE,
 402                 PUSH_STATUS_UPTODATE,
 403                 PUSH_STATUS_FASTFORWARD,
 404                 PUSH_STATUS_OUTOFDATE,
 405                 PUSH_STATUS_NOTQUERIED
 406         } status;
 407 };
 408
 409 static int get_push_ref_states(const struct ref *remote_refs,
 410         struct ref_states *states)
 411 {
 412         struct remote *remote = states->remote;
 413         struct ref *ref, *local_refs, *push_map;
 414         if (remote->mirror)
 415                 return 0;
 416
 417         local_refs = get_local_heads();
 418         push_map = copy_ref_list(remote_refs);
 419
 420         match_push_refs(local_refs, &push_map, &remote->push, MATCH_REFS_NONE);
 421
 422         for (ref = push_map; ref; ref = ref->next) {
 423                 struct string_list_item *item;
 424                 struct push_info *info;
 425
 426                 if (!ref->peer_ref)
 427                         continue;
 428                 oidcpy(&ref->new_oid, &ref->peer_ref->new_oid);
 429
 430                 item = string_list_append(&states->push,
 431                                           abbrev_branch(ref->peer_ref->name));
 432                 item->util = xcalloc(1, sizeof(struct push_info));
 433                 info = item->util;
 434                 info->forced = ref->force;
 435                 info->dest = xstrdup(abbrev_branch(ref->name));
 436
 437                 if (is_null_oid(&ref->new_oid)) {
 438                         info->status = PUSH_STATUS_DELETE;
 439                 } else if (oideq(&ref->old_oid, &ref->new_oid))
 440                         info->status = PUSH_STATUS_UPTODATE;
 441                 else if (is_null_oid(&ref->old_oid))
 442                         info->status = PUSH_STATUS_CREATE;
 443                 else if (has_object_file(&ref->old_oid) &&
 444                          ref_newer(&ref->new_oid, &ref->old_oid))
 445                         info->status = PUSH_STATUS_FASTFORWARD;
 446                 else
 447                         info->status = PUSH_STATUS_OUTOFDATE;
 448         }
 449         free_refs(local_refs);
 450         free_refs(push_map);
 451         return 0;
 452 }
 453
 454 static int get_push_ref_states_noquery(struct ref_states *states)
 455 {
 456         int i;
 457         struct remote *remote = states->remote;
 458         struct string_list_item *item;
 459         struct push_info *info;
 460
 461         if (remote->mirror)
 462                 return 0;
 463
 464         if (!remote->push.nr) {
 465                 item = string_list_append(&states->push, _("(matching)"));
 466                 info = item->util = xcalloc(1, sizeof(struct push_info));
 467                 info->status = PUSH_STATUS_NOTQUERIED;
 468                 info->dest = xstrdup(item->string);
 469         }
 470         for (i = 0; i < remote->push.nr; i++) {
 471                 const struct refspec_item *spec = &remote->push.items[i];
 472                 if (spec->matching)
 473                         item = string_list_append(&states->push, _("(matching)"));
 474                 else if (strlen(spec->src))
 475                         item = string_list_append(&states->push, spec->src);
 476                 else
 477                         item = string_list_append(&states->push, _("(delete)"));
 478
 479                 info = item->util = xcalloc(1, sizeof(struct push_info));
 480                 info->forced = spec->force;
 481                 info->status = PUSH_STATUS_NOTQUERIED;
 482                 info->dest = xstrdup(spec->dst ? spec->dst : item->string);
 483         }
 484         return 0;
 485 }
 486
 487 static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
 488 {
 489         struct ref *ref, *matches;
 490         struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
 491         struct refspec_item refspec;
 492
 493         memset(&refspec, 0, sizeof(refspec));
 494         refspec.force = 0;
 495         refspec.pattern = 1;
 496         refspec.src = refspec.dst = "refs/heads/*";
 497         get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
 498         matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
 499                                     fetch_map, 1);
 500         for (ref = matches; ref; ref = ref->next)
 501                 string_list_append(&states->heads, abbrev_branch(ref->name));
 502
 503         free_refs(fetch_map);
 504         free_refs(matches);
 505
 506         return 0;
 507 }
 508
 509 struct known_remote {
 510         struct known_remote *next;
 511         struct remote *remote;
 512 };
 513
 514 struct known_remotes {
 515         struct remote *to_delete;
 516         struct known_remote *list;
 517 };
 518
 519 static int add_known_remote(struct remote *remote, void *cb_data)
 520 {
 521         struct known_remotes *all = cb_data;
 522         struct known_remote *r;
 523
 524         if (!strcmp(all->to_delete->name, remote->name))
 525                 return 0;
 526
 527         r = xmalloc(sizeof(*r));
 528         r->remote = remote;
 529         r->next = all->list;
 530         all->list = r;
 531         return 0;
 532 }
 533
 534 struct branches_for_remote {
 535         struct remote *remote;
 536         struct string_list *branches, *skipped;
 537         struct known_remotes *keep;
 538 };
 539
 540 static int add_branch_for_removal(const char *refname,
 541         const struct object_id *oid, int flags, void *cb_data)
 542 {
 543         struct branches_for_remote *branches = cb_data;
 544         struct refspec_item refspec;
 545         struct known_remote *kr;
 546
 547         memset(&refspec, 0, sizeof(refspec));
 548         refspec.dst = (char *)refname;
 549         if (remote_find_tracking(branches->remote, &refspec))
 550                 return 0;
 551
 552         /* don't delete a branch if another remote also uses it */
 553         for (kr = branches->keep->list; kr; kr = kr->next) {
 554                 memset(&refspec, 0, sizeof(refspec));
 555                 refspec.dst = (char *)refname;
 556                 if (!remote_find_tracking(kr->remote, &refspec))
 557                         return 0;
 558         }
 559
 560         /* don't delete non-remote-tracking refs */
 561         if (!starts_with(refname, "refs/remotes/")) {
 562                 /* advise user how to delete local branches */
 563                 if (starts_with(refname, "refs/heads/"))
 564                         string_list_append(branches->skipped,
 565                                            abbrev_branch(refname));
 566                 /* silently skip over other non-remote refs */
 567                 return 0;
 568         }
 569
 570         string_list_append(branches->branches, refname);
 571
 572         return 0;
 573 }
 574
 575 struct rename_info {
 576         const char *old_name;
 577         const char *new_name;
 578         struct string_list *remote_branches;
 579         uint32_t symrefs_nr;
 580 };
 581
 582 static int read_remote_branches(const char *refname,
 583         const struct object_id *oid, int flags, void *cb_data)
 584 {
 585         struct rename_info *rename = cb_data;
 586         struct strbuf buf = STRBUF_INIT;
 587         struct string_list_item *item;
 588         int flag;
 589         const char *symref;
 590
 591         strbuf_addf(&buf, "refs/remotes/%s/", rename->old_name);
 592         if (starts_with(refname, buf.buf)) {
 593                 item = string_list_append(rename->remote_branches, refname);
 594                 symref = resolve_ref_unsafe(refname, RESOLVE_REF_READING,
 595                                             NULL, &flag);
 596                 if (symref && (flag & REF_ISSYMREF)) {
 597                         item->util = xstrdup(symref);
 598                         rename->symrefs_nr++;
 599                 } else {
 600                         item->util = NULL;
 601                 }
 602         }
 603         strbuf_release(&buf);
 604
 605         return 0;
 606 }
 607
 608 static int migrate_file(struct remote *remote)
 609 {
 610         struct strbuf buf = STRBUF_INIT;
 611         int i;
 612
 613         strbuf_addf(&buf, "remote.%s.url", remote->name);
 614         for (i = 0; i < remote->url_nr; i++)
 615                 git_config_set_multivar(buf.buf, remote->url[i], "^$", 0);
 616         strbuf_reset(&buf);
 617         strbuf_addf(&buf, "remote.%s.push", remote->name);
 618         for (i = 0; i < remote->push.raw_nr; i++)
 619                 git_config_set_multivar(buf.buf, remote->push.raw[i], "^$", 0);
 620         strbuf_reset(&buf);
 621         strbuf_addf(&buf, "remote.%s.fetch", remote->name);
 622         for (i = 0; i < remote->fetch.raw_nr; i++)
 623                 git_config_set_multivar(buf.buf, remote->fetch.raw[i], "^$", 0);
 624         if (remote->origin == REMOTE_REMOTES)
 625                 unlink_or_warn(git_path("remotes/%s", remote->name));
 626         else if (remote->origin == REMOTE_BRANCHES)
 627                 unlink_or_warn(git_path("branches/%s", remote->name));
 628         strbuf_release(&buf);
 629
 630         return 0;
 631 }
 632
 633 struct push_default_info
 634 {
 635         const char *old_name;
 636         enum config_scope scope;
 637         struct strbuf origin;
 638         int linenr;
 639 };
 640
 641 static int config_read_push_default(const char *key, const char *value,
 642         void *cb)
 643 {
 644         struct push_default_info* info = cb;
 645         if (strcmp(key, "remote.pushdefault") ||
 646             !value || strcmp(value, info->old_name))
 647                 return 0;
 648
 649         info->scope = current_config_scope();
 650         strbuf_reset(&info->origin);
 651         strbuf_addstr(&info->origin, current_config_name());
 652         info->linenr = current_config_line();
 653
 654         return 0;
 655 }
 656
 657 static void handle_push_default(const char* old_name, const char* new_name)
 658 {
 659         struct push_default_info push_default = {
 660                 old_name, CONFIG_SCOPE_UNKNOWN, STRBUF_INIT, -1 };
 661         git_config(config_read_push_default, &push_default);
 662         if (push_default.scope >= CONFIG_SCOPE_COMMAND)
 663                 ; /* pass */
 664         else if (push_default.scope >= CONFIG_SCOPE_LOCAL) {
 665                 int result = git_config_set_gently("remote.pushDefault",
 666                                                    new_name);
 667                 if (new_name && result && result != CONFIG_NOTHING_SET)
 668                         die(_("could not set '%s'"), "remote.pushDefault");
 669                 else if (!new_name && result && result != CONFIG_NOTHING_SET)
 670                         die(_("could not unset '%s'"), "remote.pushDefault");
 671         } else if (push_default.scope >= CONFIG_SCOPE_SYSTEM) {
 672                 /* warn */
 673                 warning(_("The %s configuration remote.pushDefault in:\n"
 674                           "\t%s:%d\n"
 675                           "now names the non-existent remote '%s'"),
 676                         config_scope_name(push_default.scope),
 677                         push_default.origin.buf, push_default.linenr,
 678                         old_name);
 679         }
 680 }
 681
 682
 683 static int mv(int argc, const char **argv)
 684 {
 685         int show_progress = isatty(2);
 686         struct option options[] = {
 687                 OPT_BOOL(0, "progress", &show_progress, N_("force progress reporting")),
 688                 OPT_END()
 689         };
 690         struct remote *oldremote, *newremote;
 691         struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT,
 692                 old_remote_context = STRBUF_INIT;
 693         struct string_list remote_branches = STRING_LIST_INIT_DUP;
 694         struct rename_info rename;
 695         int i, refs_renamed_nr = 0, refspec_updated = 0;
 696         struct progress *progress = NULL;
 697
 698         argc = parse_options(argc, argv, NULL, options,
 699                              builtin_remote_rename_usage, 0);
 700
 701         if (argc != 2)
 702                 usage_with_options(builtin_remote_rename_usage, options);
 703
 704         rename.old_name = argv[0];
 705         rename.new_name = argv[1];
 706         rename.remote_branches = &remote_branches;
 707         rename.symrefs_nr = 0;
 708
 709         oldremote = remote_get(rename.old_name);
 710         if (!remote_is_configured(oldremote, 1)) {
 711                 error(_("No such remote: '%s'"), rename.old_name);
 712                 exit(2);
 713         }
 714
 715         if (!strcmp(rename.old_name, rename.new_name) && oldremote->origin != REMOTE_CONFIG)
 716                 return migrate_file(oldremote);
 717
 718         newremote = remote_get(rename.new_name);
 719         if (remote_is_configured(newremote, 1)) {
 720                 error(_("remote %s already exists."), rename.new_name);
 721                 exit(3);
 722         }
 723
 724         if (!valid_remote_name(rename.new_name))
 725                 die(_("'%s' is not a valid remote name"), rename.new_name);
 726
 727         strbuf_addf(&buf, "remote.%s", rename.old_name);
 728         strbuf_addf(&buf2, "remote.%s", rename.new_name);
 729         if (git_config_rename_section(buf.buf, buf2.buf) < 1)
 730                 return error(_("Could not rename config section '%s' to '%s'"),
 731                                 buf.buf, buf2.buf);
 732
 733         strbuf_reset(&buf);
 734         strbuf_addf(&buf, "remote.%s.fetch", rename.new_name);
 735         git_config_set_multivar(buf.buf, NULL, NULL, CONFIG_FLAGS_MULTI_REPLACE);
 736         strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old_name);
 737         for (i = 0; i < oldremote->fetch.raw_nr; i++) {
 738                 char *ptr;
 739
 740                 strbuf_reset(&buf2);
 741                 strbuf_addstr(&buf2, oldremote->fetch.raw[i]);
 742                 ptr = strstr(buf2.buf, old_remote_context.buf);
 743                 if (ptr) {
 744                         refspec_updated = 1;
 745                         strbuf_splice(&buf2,
 746                                       ptr-buf2.buf + strlen(":refs/remotes/"),
 747                                       strlen(rename.old_name), rename.new_name,
 748                                       strlen(rename.new_name));
 749                 } else
 750                         warning(_("Not updating non-default fetch refspec\n"
 751                                   "\t%s\n"
 752                                   "\tPlease update the configuration manually if necessary."),
 753                                 buf2.buf);
 754
 755                 git_config_set_multivar(buf.buf, buf2.buf, "^$", 0);
 756         }
 757
 758         read_branches();
 759         for (i = 0; i < branch_list.nr; i++) {
 760                 struct string_list_item *item = branch_list.items + i;
 761                 struct branch_info *info = item->util;
 762                 if (info->remote_name && !strcmp(info->remote_name, rename.old_name)) {
 763                         strbuf_reset(&buf);
 764                         strbuf_addf(&buf, "branch.%s.remote", item->string);
 765                         git_config_set(buf.buf, rename.new_name);
 766                 }
 767                 if (info->push_remote_name && !strcmp(info->push_remote_name, rename.old_name)) {
 768                         strbuf_reset(&buf);
 769                         strbuf_addf(&buf, "branch.%s.pushRemote", item->string);
 770                         git_config_set(buf.buf, rename.new_name);
 771                 }
 772         }
 773
 774         if (!refspec_updated)
 775                 return 0;
 776
 777         /*
 778          * First remove symrefs, then rename the rest, finally create
 779          * the new symrefs.
 780          */
 781         for_each_ref(read_remote_branches, &rename);
 782         if (show_progress) {
 783                 /*
 784                  * Count symrefs twice, since "renaming" them is done by
 785                  * deleting and recreating them in two separate passes.
 786                  */
 787                 progress = start_progress(_("Renaming remote references"),
 788                                           rename.remote_branches->nr + rename.symrefs_nr);
 789         }
 790         for (i = 0; i < remote_branches.nr; i++) {
 791                 struct string_list_item *item = remote_branches.items + i;
 792                 struct strbuf referent = STRBUF_INIT;
 793
 794                 if (refs_read_symbolic_ref(get_main_ref_store(the_repository), item->string,
 795                                            &referent))
 796                         continue;
 797                 if (delete_ref(NULL, item->string, NULL, REF_NO_DEREF))
 798                         die(_("deleting '%s' failed"), item->string);
 799
 800                 strbuf_release(&referent);
 801                 display_progress(progress, ++refs_renamed_nr);
 802         }
 803         for (i = 0; i < remote_branches.nr; i++) {
 804                 struct string_list_item *item = remote_branches.items + i;
 805
 806                 if (item->util)
 807                         continue;
 808                 strbuf_reset(&buf);
 809                 strbuf_addstr(&buf, item->string);
 810                 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old_name),
 811                                 rename.new_name, strlen(rename.new_name));
 812                 strbuf_reset(&buf2);
 813                 strbuf_addf(&buf2, "remote: renamed %s to %s",
 814                                 item->string, buf.buf);
 815                 if (rename_ref(item->string, buf.buf, buf2.buf))
 816                         die(_("renaming '%s' failed"), item->string);
 817                 display_progress(progress, ++refs_renamed_nr);
 818         }
 819         for (i = 0; i < remote_branches.nr; i++) {
 820                 struct string_list_item *item = remote_branches.items + i;
 821
 822                 if (!item->util)
 823                         continue;
 824                 strbuf_reset(&buf);
 825                 strbuf_addstr(&buf, item->string);
 826                 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old_name),
 827                                 rename.new_name, strlen(rename.new_name));
 828                 strbuf_reset(&buf2);
 829                 strbuf_addstr(&buf2, item->util);
 830                 strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old_name),
 831                                 rename.new_name, strlen(rename.new_name));
 832                 strbuf_reset(&buf3);
 833                 strbuf_addf(&buf3, "remote: renamed %s to %s",
 834                                 item->string, buf.buf);
 835                 if (create_symref(buf.buf, buf2.buf, buf3.buf))
 836                         die(_("creating '%s' failed"), buf.buf);
 837                 display_progress(progress, ++refs_renamed_nr);
 838         }
 839         stop_progress(&progress);
 840         string_list_clear(&remote_branches, 1);
 841
 842         handle_push_default(rename.old_name, rename.new_name);
 843
 844         return 0;
 845 }
 846
 847 static int rm(int argc, const char **argv)
 848 {
 849         struct option options[] = {
 850                 OPT_END()
 851         };
 852         struct remote *remote;
 853         struct strbuf buf = STRBUF_INIT;
 854         struct known_remotes known_remotes = { NULL, NULL };
 855         struct string_list branches = STRING_LIST_INIT_DUP;
 856         struct string_list skipped = STRING_LIST_INIT_DUP;
 857         struct branches_for_remote cb_data;
 858         int i, result;
 859
 860         memset(&cb_data, 0, sizeof(cb_data));
 861         cb_data.branches = &branches;
 862         cb_data.skipped = &skipped;
 863         cb_data.keep = &known_remotes;
 864
 865         if (argc != 2)
 866                 usage_with_options(builtin_remote_rm_usage, options);
 867
 868         remote = remote_get(argv[1]);
 869         if (!remote_is_configured(remote, 1)) {
 870                 error(_("No such remote: '%s'"), argv[1]);
 871                 exit(2);
 872         }
 873
 874         known_remotes.to_delete = remote;
 875         for_each_remote(add_known_remote, &known_remotes);
 876
 877         read_branches();
 878         for (i = 0; i < branch_list.nr; i++) {
 879                 struct string_list_item *item = branch_list.items + i;
 880                 struct branch_info *info = item->util;
 881                 if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
 882                         const char *keys[] = { "remote", "merge", NULL }, **k;
 883                         for (k = keys; *k; k++) {
 884                                 strbuf_reset(&buf);
 885                                 strbuf_addf(&buf, "branch.%s.%s",
 886                                                 item->string, *k);
 887                                 result = git_config_set_gently(buf.buf, NULL);
 888                                 if (result && result != CONFIG_NOTHING_SET)
 889                                         die(_("could not unset '%s'"), buf.buf);
 890                         }
 891                 }
 892                 if (info->push_remote_name && !strcmp(info->push_remote_name, remote->name)) {
 893                         strbuf_reset(&buf);
 894                         strbuf_addf(&buf, "branch.%s.pushremote", item->string);
 895                         result = git_config_set_gently(buf.buf, NULL);
 896                         if (result && result != CONFIG_NOTHING_SET)
 897                                 die(_("could not unset '%s'"), buf.buf);
 898                 }
 899         }
 900
 901         /*
 902          * We cannot just pass a function to for_each_ref() which deletes
 903          * the branches one by one, since for_each_ref() relies on cached
 904          * refs, which are invalidated when deleting a branch.
 905          */
 906         cb_data.remote = remote;
 907         result = for_each_ref(add_branch_for_removal, &cb_data);
 908         strbuf_release(&buf);
 909
 910         if (!result)
 911                 result = delete_refs("remote: remove", &branches, REF_NO_DEREF);
 912         string_list_clear(&branches, 0);
 913
 914         if (skipped.nr) {
 915                 fprintf_ln(stderr,
 916                            Q_("Note: A branch outside the refs/remotes/ hierarchy was not removed;\n"
 917                               "to delete it, use:",
 918                               "Note: Some branches outside the refs/remotes/ hierarchy were not removed;\n"
 919                               "to delete them, use:",
 920                               skipped.nr));
 921                 for (i = 0; i < skipped.nr; i++)
 922                         fprintf(stderr, "  git branch -d %s\n",
 923                                 skipped.items[i].string);
 924         }
 925         string_list_clear(&skipped, 0);
 926
 927         if (!result) {
 928                 strbuf_addf(&buf, "remote.%s", remote->name);
 929                 if (git_config_rename_section(buf.buf, NULL) < 1)
 930                         return error(_("Could not remove config section '%s'"), buf.buf);
 931
 932                 handle_push_default(remote->name, NULL);
 933         }
 934
 935         return result;
 936 }
 937
 938 static void clear_push_info(void *util, const char *string)
 939 {
 940         struct push_info *info = util;
 941         free(info->dest);
 942         free(info);
 943 }
 944
 945 static void free_remote_ref_states(struct ref_states *states)
 946 {
 947         string_list_clear(&states->new_refs, 0);
 948         string_list_clear(&states->skipped, 0);
 949         string_list_clear(&states->stale, 1);
 950         string_list_clear(&states->tracked, 0);
 951         string_list_clear(&states->heads, 0);
 952         string_list_clear_func(&states->push, clear_push_info);
 953 }
 954
 955 static int append_ref_to_tracked_list(const char *refname,
 956         const struct object_id *oid, int flags, void *cb_data)
 957 {
 958         struct ref_states *states = cb_data;
 959         struct refspec_item refspec;
 960
 961         if (flags & REF_ISSYMREF)
 962                 return 0;
 963
 964         memset(&refspec, 0, sizeof(refspec));
 965         refspec.dst = (char *)refname;
 966         if (!remote_find_tracking(states->remote, &refspec))
 967                 string_list_append(&states->tracked, abbrev_branch(refspec.src));
 968
 969         return 0;
 970 }
 971
 972 static int get_remote_ref_states(const char *name,
 973                                  struct ref_states *states,
 974                                  int query)
 975 {
 976         states->remote = remote_get(name);
 977         if (!states->remote)
 978                 return error(_("No such remote: '%s'"), name);
 979
 980         read_branches();
 981
 982         if (query) {
 983                 struct transport *transport;
 984                 const struct ref *remote_refs;
 985
 986                 transport = transport_get(states->remote, states->remote->url_nr > 0 ?
 987                         states->remote->url[0] : NULL);
 988                 remote_refs = transport_get_remote_refs(transport, NULL);
 989
 990                 states->queried = 1;
 991                 if (query & GET_REF_STATES)
 992                         get_ref_states(remote_refs, states);
 993                 if (query & GET_HEAD_NAMES)
 994                         get_head_names(remote_refs, states);
 995                 if (query & GET_PUSH_REF_STATES)
 996                         get_push_ref_states(remote_refs, states);
 997                 transport_disconnect(transport);
 998         } else {
 999                 for_each_ref(append_ref_to_tracked_list, states);
1000                 string_list_sort(&states->tracked);
1001                 get_push_ref_states_noquery(states);
1002         }
1003
1004         return 0;
1005 }
1006
1007 struct show_info {
1008         struct string_list list;
1009         struct ref_states states;
1010         int width, width2;
1011         int any_rebase;
1012 };
1013
1014 #define SHOW_INFO_INIT { \
1015         .list = STRING_LIST_INIT_DUP, \
1016         .states = REF_STATES_INIT, \
1017 }
1018
1019 static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
1020 {
1021         struct show_info *info = cb_data;
1022         int n = strlen(item->string);
1023         if (n > info->width)
1024                 info->width = n;
1025         string_list_insert(&info->list, item->string);
1026         return 0;
1027 }
1028
1029 static int show_remote_info_item(struct string_list_item *item, void *cb_data)
1030 {
1031         struct show_info *info = cb_data;
1032         struct ref_states *states = &info->states;
1033         const char *name = item->string;
1034
1035         if (states->queried) {
1036                 const char *fmt = "%s";
1037                 const char *arg = "";
1038                 if (string_list_has_string(&states->new_refs, name)) {
1039                         fmt = _(" new (next fetch will store in remotes/%s)");
1040                         arg = states->remote->name;
1041                 } else if (string_list_has_string(&states->tracked, name))
1042                         arg = _(" tracked");
1043                 else if (string_list_has_string(&states->skipped, name))
1044                         arg = _(" skipped");
1045                 else if (string_list_has_string(&states->stale, name))
1046                         arg = _(" stale (use 'git remote prune' to remove)");
1047                 else
1048                         arg = _(" ???");
1049                 printf("    %-*s", info->width, name);
1050                 printf(fmt, arg);
1051                 printf("\n");
1052         } else
1053                 printf("    %s\n", name);
1054
1055         return 0;
1056 }
1057
1058 static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
1059 {
1060         struct show_info *show_info = cb_data;
1061         struct ref_states *states = &show_info->states;
1062         struct branch_info *branch_info = branch_item->util;
1063         struct string_list_item *item;
1064         int n;
1065
1066         if (!branch_info->merge.nr || !branch_info->remote_name ||
1067             strcmp(states->remote->name, branch_info->remote_name))
1068                 return 0;
1069         if ((n = strlen(branch_item->string)) > show_info->width)
1070                 show_info->width = n;
1071         if (branch_info->rebase >= REBASE_TRUE)
1072                 show_info->any_rebase = 1;
1073
1074         item = string_list_insert(&show_info->list, branch_item->string);
1075         item->util = branch_info;
1076
1077         return 0;
1078 }
1079
1080 static int show_local_info_item(struct string_list_item *item, void *cb_data)
1081 {
1082         struct show_info *show_info = cb_data;
1083         struct branch_info *branch_info = item->util;
1084         struct string_list *merge = &branch_info->merge;
1085         int width = show_info->width + 4;
1086         int i;
1087
1088         if (branch_info->rebase >= REBASE_TRUE && branch_info->merge.nr > 1) {
1089                 error(_("invalid branch.%s.merge; cannot rebase onto > 1 branch"),
1090                         item->string);
1091                 return 0;
1092         }
1093
1094         printf("    %-*s ", show_info->width, item->string);
1095         if (branch_info->rebase >= REBASE_TRUE) {
1096                 const char *msg;
1097                 if (branch_info->rebase == REBASE_INTERACTIVE)
1098                         msg = _("rebases interactively onto remote %s");
1099                 else if (branch_info->rebase == REBASE_MERGES)
1100                         msg = _("rebases interactively (with merges) onto "
1101                                 "remote %s");
1102                 else
1103                         msg = _("rebases onto remote %s");
1104                 printf_ln(msg, merge->items[0].string);
1105                 return 0;
1106         } else if (show_info->any_rebase) {
1107                 printf_ln(_(" merges with remote %s"), merge->items[0].string);
1108                 width++;
1109         } else {
1110                 printf_ln(_("merges with remote %s"), merge->items[0].string);
1111         }
1112         for (i = 1; i < merge->nr; i++)
1113                 printf(_("%-*s    and with remote %s\n"), width, "",
1114                        merge->items[i].string);
1115
1116         return 0;
1117 }
1118
1119 static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
1120 {
1121         struct show_info *show_info = cb_data;
1122         struct push_info *push_info = push_item->util;
1123         struct string_list_item *item;
1124         int n;
1125         if ((n = strlen(push_item->string)) > show_info->width)
1126                 show_info->width = n;
1127         if ((n = strlen(push_info->dest)) > show_info->width2)
1128                 show_info->width2 = n;
1129         item = string_list_append(&show_info->list, push_item->string);
1130         item->util = push_item->util;
1131         return 0;
1132 }
1133
1134 /*
1135  * Sorting comparison for a string list that has push_info
1136  * structs in its util field
1137  */
1138 static int cmp_string_with_push(const void *va, const void *vb)
1139 {
1140         const struct string_list_item *a = va;
1141         const struct string_list_item *b = vb;
1142         const struct push_info *a_push = a->util;
1143         const struct push_info *b_push = b->util;
1144         int cmp = strcmp(a->string, b->string);
1145         return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
1146 }
1147
1148 static int show_push_info_item(struct string_list_item *item, void *cb_data)
1149 {
1150         struct show_info *show_info = cb_data;
1151         struct push_info *push_info = item->util;
1152         const char *src = item->string, *status = NULL;
1153
1154         switch (push_info->status) {
1155         case PUSH_STATUS_CREATE:
1156                 status = _("create");
1157                 break;
1158         case PUSH_STATUS_DELETE:
1159                 status = _("delete");
1160                 src = _("(none)");
1161                 break;
1162         case PUSH_STATUS_UPTODATE:
1163                 status = _("up to date");
1164                 break;
1165         case PUSH_STATUS_FASTFORWARD:
1166                 status = _("fast-forwardable");
1167                 break;
1168         case PUSH_STATUS_OUTOFDATE:
1169                 status = _("local out of date");
1170                 break;
1171         case PUSH_STATUS_NOTQUERIED:
1172                 break;
1173         }
1174         if (status) {
1175                 if (push_info->forced)
1176                         printf_ln(_("    %-*s forces to %-*s (%s)"), show_info->width, src,
1177                                show_info->width2, push_info->dest, status);
1178                 else
1179                         printf_ln(_("    %-*s pushes to %-*s (%s)"), show_info->width, src,
1180                                show_info->width2, push_info->dest, status);
1181         } else {
1182                 if (push_info->forced)
1183                         printf_ln(_("    %-*s forces to %s"), show_info->width, src,
1184                                push_info->dest);
1185                 else
1186                         printf_ln(_("    %-*s pushes to %s"), show_info->width, src,
1187                                push_info->dest);
1188         }
1189         return 0;
1190 }
1191
1192 static int get_one_entry(struct remote *remote, void *priv)
1193 {
1194         struct string_list *list = priv;
1195         struct strbuf remote_info_buf = STRBUF_INIT;
1196         const char **url;
1197         int i, url_nr;
1198
1199         if (remote->url_nr > 0) {
1200                 struct strbuf promisor_config = STRBUF_INIT;
1201                 const char *partial_clone_filter = NULL;
1202
1203                 strbuf_addf(&promisor_config, "remote.%s.partialclonefilter", remote->name);
1204                 strbuf_addf(&remote_info_buf, "%s (fetch)", remote->url[0]);
1205                 if (!git_config_get_string_tmp(promisor_config.buf, &partial_clone_filter))
1206                         strbuf_addf(&remote_info_buf, " [%s]", partial_clone_filter);
1207
1208                 strbuf_release(&promisor_config);
1209                 string_list_append(list, remote->name)->util =
1210                                 strbuf_detach(&remote_info_buf, NULL);
1211         } else
1212                 string_list_append(list, remote->name)->util = NULL;
1213         if (remote->pushurl_nr) {
1214                 url = remote->pushurl;
1215                 url_nr = remote->pushurl_nr;
1216         } else {
1217                 url = remote->url;
1218                 url_nr = remote->url_nr;
1219         }
1220         for (i = 0; i < url_nr; i++)
1221         {
1222                 strbuf_addf(&remote_info_buf, "%s (push)", url[i]);
1223                 string_list_append(list, remote->name)->util =
1224                                 strbuf_detach(&remote_info_buf, NULL);
1225         }
1226
1227         return 0;
1228 }
1229
1230 static int show_all(void)
1231 {
1232         struct string_list list = STRING_LIST_INIT_NODUP;
1233         int result;
1234
1235         list.strdup_strings = 1;
1236         result = for_each_remote(get_one_entry, &list);
1237
1238         if (!result) {
1239                 int i;
1240
1241                 string_list_sort(&list);
1242                 for (i = 0; i < list.nr; i++) {
1243                         struct string_list_item *item = list.items + i;
1244                         if (verbose)
1245                                 printf("%s\t%s\n", item->string,
1246                                         item->util ? (const char *)item->util : "");
1247                         else {
1248                                 if (i && !strcmp((item - 1)->string, item->string))
1249                                         continue;
1250                                 printf("%s\n", item->string);
1251                         }
1252                 }
1253         }
1254         string_list_clear(&list, 1);
1255         return result;
1256 }
1257
1258 static int show(int argc, const char **argv)
1259 {
1260         int no_query = 0, result = 0, query_flag = 0;
1261         struct option options[] = {
1262                 OPT_BOOL('n', NULL, &no_query, N_("do not query remotes")),
1263                 OPT_END()
1264         };
1265         struct show_info info = SHOW_INFO_INIT;
1266
1267         argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
1268                              0);
1269
1270         if (argc < 1)
1271                 return show_all();
1272
1273         if (!no_query)
1274                 query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
1275
1276         for (; argc; argc--, argv++) {
1277                 int i;
1278                 const char **url;
1279                 int url_nr;
1280
1281                 get_remote_ref_states(*argv, &info.states, query_flag);
1282
1283                 printf_ln(_("* remote %s"), *argv);
1284                 printf_ln(_("  Fetch URL: %s"), info.states.remote->url_nr > 0 ?
1285                        info.states.remote->url[0] : _("(no URL)"));
1286                 if (info.states.remote->pushurl_nr) {
1287                         url = info.states.remote->pushurl;
1288                         url_nr = info.states.remote->pushurl_nr;
1289                 } else {
1290                         url = info.states.remote->url;
1291                         url_nr = info.states.remote->url_nr;
1292                 }
1293                 for (i = 0; i < url_nr; i++)
1294                         /*
1295                          * TRANSLATORS: the colon ':' should align
1296                          * with the one in " Fetch URL: %s"
1297                          * translation.
1298                          */
1299                         printf_ln(_("  Push  URL: %s"), url[i]);
1300                 if (!i)
1301                         printf_ln(_("  Push  URL: %s"), _("(no URL)"));
1302                 if (no_query)
1303                         printf_ln(_("  HEAD branch: %s"), _("(not queried)"));
1304                 else if (!info.states.heads.nr)
1305                         printf_ln(_("  HEAD branch: %s"), _("(unknown)"));
1306                 else if (info.states.heads.nr == 1)
1307                         printf_ln(_("  HEAD branch: %s"), info.states.heads.items[0].string);
1308                 else {
1309                         printf(_("  HEAD branch (remote HEAD is ambiguous,"
1310                                  " may be one of the following):\n"));
1311                         for (i = 0; i < info.states.heads.nr; i++)
1312                                 printf("    %s\n", info.states.heads.items[i].string);
1313                 }
1314
1315                 /* remote branch info */
1316                 info.width = 0;
1317                 for_each_string_list(&info.states.new_refs, add_remote_to_show_info, &info);
1318                 for_each_string_list(&info.states.skipped, add_remote_to_show_info, &info);
1319                 for_each_string_list(&info.states.tracked, add_remote_to_show_info, &info);
1320                 for_each_string_list(&info.states.stale, add_remote_to_show_info, &info);
1321                 if (info.list.nr)
1322                         printf_ln(Q_("  Remote branch:%s",
1323                                      "  Remote branches:%s",
1324                                      info.list.nr),
1325                                   no_query ? _(" (status not queried)") : "");
1326                 for_each_string_list(&info.list, show_remote_info_item, &info);
1327                 string_list_clear(&info.list, 0);
1328
1329                 /* git pull info */
1330                 info.width = 0;
1331                 info.any_rebase = 0;
1332                 for_each_string_list(&branch_list, add_local_to_show_info, &info);
1333                 if (info.list.nr)
1334                         printf_ln(Q_("  Local branch configured for 'git pull':",
1335                                      "  Local branches configured for 'git pull':",
1336                                      info.list.nr));
1337                 for_each_string_list(&info.list, show_local_info_item, &info);
1338                 string_list_clear(&info.list, 0);
1339
1340                 /* git push info */
1341                 if (info.states.remote->mirror)
1342                         printf_ln(_("  Local refs will be mirrored by 'git push'"));
1343
1344                 info.width = info.width2 = 0;
1345                 for_each_string_list(&info.states.push, add_push_to_show_info, &info);
1346                 QSORT(info.list.items, info.list.nr, cmp_string_with_push);
1347                 if (info.list.nr)
1348                         printf_ln(Q_("  Local ref configured for 'git push'%s:",
1349                                      "  Local refs configured for 'git push'%s:",
1350                                      info.list.nr),
1351                                   no_query ? _(" (status not queried)") : "");
1352                 for_each_string_list(&info.list, show_push_info_item, &info);
1353                 string_list_clear(&info.list, 0);
1354
1355                 free_remote_ref_states(&info.states);
1356         }
1357
1358         return result;
1359 }
1360
1361 static int set_head(int argc, const char **argv)
1362 {
1363         int i, opt_a = 0, opt_d = 0, result = 0;
1364         struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1365         char *head_name = NULL;
1366
1367         struct option options[] = {
1368                 OPT_BOOL('a', "auto", &opt_a,
1369                          N_("set refs/remotes/<name>/HEAD according to remote")),
1370                 OPT_BOOL('d', "delete", &opt_d,
1371                          N_("delete refs/remotes/<name>/HEAD")),
1372                 OPT_END()
1373         };
1374         argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
1375                              0);
1376         if (argc)
1377                 strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1378
1379         if (!opt_a && !opt_d && argc == 2) {
1380                 head_name = xstrdup(argv[1]);
1381         } else if (opt_a && !opt_d && argc == 1) {
1382                 struct ref_states states = REF_STATES_INIT;
1383                 get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1384                 if (!states.heads.nr)
1385                         result |= error(_("Cannot determine remote HEAD"));
1386                 else if (states.heads.nr > 1) {
1387                         result |= error(_("Multiple remote HEAD branches. "
1388                                           "Please choose one explicitly with:"));
1389                         for (i = 0; i < states.heads.nr; i++)
1390                                 fprintf(stderr, "  git remote set-head %s %s\n",
1391                                         argv[0], states.heads.items[i].string);
1392                 } else
1393                         head_name = xstrdup(states.heads.items[0].string);
1394                 free_remote_ref_states(&states);
1395         } else if (opt_d && !opt_a && argc == 1) {
1396                 if (delete_ref(NULL, buf.buf, NULL, REF_NO_DEREF))
1397                         result |= error(_("Could not delete %s"), buf.buf);
1398         } else
1399                 usage_with_options(builtin_remote_sethead_usage, options);
1400
1401         if (head_name) {
1402                 strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1403                 /* make sure it's valid */
1404                 if (!ref_exists(buf2.buf))
1405                         result |= error(_("Not a valid ref: %s"), buf2.buf);
1406                 else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1407                         result |= error(_("Could not setup %s"), buf.buf);
1408                 else if (opt_a)
1409                         printf("%s/HEAD set to %s\n", argv[0], head_name);
1410                 free(head_name);
1411         }
1412
1413         strbuf_release(&buf);
1414         strbuf_release(&buf2);
1415         return result;
1416 }
1417
1418 static int prune_remote(const char *remote, int dry_run)
1419 {
1420         int result = 0;
1421         struct ref_states states = REF_STATES_INIT;
1422         struct string_list refs_to_prune = STRING_LIST_INIT_NODUP;
1423         struct string_list_item *item;
1424         const char *dangling_msg = dry_run
1425                 ? _(" %s will become dangling!")
1426                 : _(" %s has become dangling!");
1427
1428         get_remote_ref_states(remote, &states, GET_REF_STATES);
1429
1430         if (!states.stale.nr) {
1431                 free_remote_ref_states(&states);
1432                 return 0;
1433         }
1434
1435         printf_ln(_("Pruning %s"), remote);
1436         printf_ln(_("URL: %s"),
1437                   states.remote->url_nr
1438                   ? states.remote->url[0]
1439                   : _("(no URL)"));
1440
1441         for_each_string_list_item(item, &states.stale)
1442                 string_list_append(&refs_to_prune, item->util);
1443         string_list_sort(&refs_to_prune);
1444
1445         if (!dry_run)
1446                 result |= delete_refs("remote: prune", &refs_to_prune, 0);
1447
1448         for_each_string_list_item(item, &states.stale) {
1449                 const char *refname = item->util;
1450
1451                 if (dry_run)
1452                         printf_ln(_(" * [would prune] %s"),
1453                                abbrev_ref(refname, "refs/remotes/"));
1454                 else
1455                         printf_ln(_(" * [pruned] %s"),
1456                                abbrev_ref(refname, "refs/remotes/"));
1457         }
1458
1459         warn_dangling_symrefs(stdout, dangling_msg, &refs_to_prune);
1460
1461         string_list_clear(&refs_to_prune, 0);
1462         free_remote_ref_states(&states);
1463         return result;
1464 }
1465
1466 static int prune(int argc, const char **argv)
1467 {
1468         int dry_run = 0, result = 0;
1469         struct option options[] = {
1470                 OPT__DRY_RUN(&dry_run, N_("dry run")),
1471                 OPT_END()
1472         };
1473
1474         argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
1475                              0);
1476
1477         if (argc < 1)
1478                 usage_with_options(builtin_remote_prune_usage, options);
1479
1480         for (; argc; argc--, argv++)
1481                 result |= prune_remote(*argv, dry_run);
1482
1483         return result;
1484 }
1485
1486 static int get_remote_default(const char *key, const char *value, void *priv)
1487 {
1488         if (strcmp(key, "remotes.default") == 0) {
1489                 int *found = priv;
1490                 *found = 1;
1491         }
1492         return 0;
1493 }
1494
1495 static int update(int argc, const char **argv)
1496 {
1497         int i, prune = -1;
1498         struct option options[] = {
1499                 OPT_BOOL('p', "prune", &prune,
1500                          N_("prune remotes after fetching")),
1501                 OPT_END()
1502         };
1503         struct strvec fetch_argv = STRVEC_INIT;
1504         int default_defined = 0;
1505         int retval;
1506
1507         argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1508                              PARSE_OPT_KEEP_ARGV0);
1509
1510         strvec_push(&fetch_argv, "fetch");
1511
1512         if (prune != -1)
1513                 strvec_push(&fetch_argv, prune ? "--prune" : "--no-prune");
1514         if (verbose)
1515                 strvec_push(&fetch_argv, "-v");
1516         strvec_push(&fetch_argv, "--multiple");
1517         if (argc < 2)
1518                 strvec_push(&fetch_argv, "default");
1519         for (i = 1; i < argc; i++)
1520                 strvec_push(&fetch_argv, argv[i]);
1521
1522         if (strcmp(fetch_argv.v[fetch_argv.nr-1], "default") == 0) {
1523                 git_config(get_remote_default, &default_defined);
1524                 if (!default_defined) {
1525                         strvec_pop(&fetch_argv);
1526                         strvec_push(&fetch_argv, "--all");
1527                 }
1528         }
1529
1530         retval = run_command_v_opt(fetch_argv.v, RUN_GIT_CMD);
1531         strvec_clear(&fetch_argv);
1532         return retval;
1533 }
1534
1535 static int remove_all_fetch_refspecs(const char *key)
1536 {
1537         return git_config_set_multivar_gently(key, NULL, NULL,
1538                                               CONFIG_FLAGS_MULTI_REPLACE);
1539 }
1540
1541 static void add_branches(struct remote *remote, const char **branches,
1542                          const char *key)
1543 {
1544         const char *remotename = remote->name;
1545         int mirror = remote->mirror;
1546         struct strbuf refspec = STRBUF_INIT;
1547
1548         for (; *branches; branches++)
1549                 add_branch(key, *branches, remotename, mirror, &refspec);
1550
1551         strbuf_release(&refspec);
1552 }
1553
1554 static int set_remote_branches(const char *remotename, const char **branches,
1555                                 int add_mode)
1556 {
1557         struct strbuf key = STRBUF_INIT;
1558         struct remote *remote;
1559
1560         strbuf_addf(&key, "remote.%s.fetch", remotename);
1561
1562         remote = remote_get(remotename);
1563         if (!remote_is_configured(remote, 1)) {
1564                 error(_("No such remote '%s'"), remotename);
1565                 exit(2);
1566         }
1567
1568         if (!add_mode && remove_all_fetch_refspecs(key.buf)) {
1569                 strbuf_release(&key);
1570                 return 1;
1571         }
1572         add_branches(remote, branches, key.buf);
1573
1574         strbuf_release(&key);
1575         return 0;
1576 }
1577
1578 static int set_branches(int argc, const char **argv)
1579 {
1580         int add_mode = 0;
1581         struct option options[] = {
1582                 OPT_BOOL('\0', "add", &add_mode, N_("add branch")),
1583                 OPT_END()
1584         };
1585
1586         argc = parse_options(argc, argv, NULL, options,
1587                              builtin_remote_setbranches_usage, 0);
1588         if (argc == 0) {
1589                 error(_("no remote specified"));
1590                 usage_with_options(builtin_remote_setbranches_usage, options);
1591         }
1592         argv[argc] = NULL;
1593
1594         return set_remote_branches(argv[0], argv + 1, add_mode);
1595 }
1596
1597 static int get_url(int argc, const char **argv)
1598 {
1599         int i, push_mode = 0, all_mode = 0;
1600         const char *remotename = NULL;
1601         struct remote *remote;
1602         const char **url;
1603         int url_nr;
1604         struct option options[] = {
1605                 OPT_BOOL('\0', "push", &push_mode,
1606                          N_("query push URLs rather than fetch URLs")),
1607                 OPT_BOOL('\0', "all", &all_mode,
1608                          N_("return all URLs")),
1609                 OPT_END()
1610         };
1611         argc = parse_options(argc, argv, NULL, options, builtin_remote_geturl_usage, 0);
1612
1613         if (argc != 1)
1614                 usage_with_options(builtin_remote_geturl_usage, options);
1615
1616         remotename = argv[0];
1617
1618         remote = remote_get(remotename);
1619         if (!remote_is_configured(remote, 1)) {
1620                 error(_("No such remote '%s'"), remotename);
1621                 exit(2);
1622         }
1623
1624         url_nr = 0;
1625         if (push_mode) {
1626                 url = remote->pushurl;
1627                 url_nr = remote->pushurl_nr;
1628         }
1629         /* else fetch mode */
1630
1631         /* Use the fetch URL when no push URLs were found or requested. */
1632         if (!url_nr) {
1633                 url = remote->url;
1634                 url_nr = remote->url_nr;
1635         }
1636
1637         if (!url_nr)
1638                 die(_("no URLs configured for remote '%s'"), remotename);
1639
1640         if (all_mode) {
1641                 for (i = 0; i < url_nr; i++)
1642                         printf_ln("%s", url[i]);
1643         } else {
1644                 printf_ln("%s", *url);
1645         }
1646
1647         return 0;
1648 }
1649
1650 static int set_url(int argc, const char **argv)
1651 {
1652         int i, push_mode = 0, add_mode = 0, delete_mode = 0;
1653         int matches = 0, negative_matches = 0;
1654         const char *remotename = NULL;
1655         const char *newurl = NULL;
1656         const char *oldurl = NULL;
1657         struct remote *remote;
1658         regex_t old_regex;
1659         const char **urlset;
1660         int urlset_nr;
1661         struct strbuf name_buf = STRBUF_INIT;
1662         struct option options[] = {
1663                 OPT_BOOL('\0', "push", &push_mode,
1664                          N_("manipulate push URLs")),
1665                 OPT_BOOL('\0', "add", &add_mode,
1666                          N_("add URL")),
1667                 OPT_BOOL('\0', "delete", &delete_mode,
1668                             N_("delete URLs")),
1669                 OPT_END()
1670         };
1671         argc = parse_options(argc, argv, NULL, options, builtin_remote_seturl_usage,
1672                              PARSE_OPT_KEEP_ARGV0);
1673
1674         if (add_mode && delete_mode)
1675                 die(_("--add --delete doesn't make sense"));
1676
1677         if (argc < 3 || argc > 4 || ((add_mode || delete_mode) && argc != 3))
1678                 usage_with_options(builtin_remote_seturl_usage, options);
1679
1680         remotename = argv[1];
1681         newurl = argv[2];
1682         if (argc > 3)
1683                 oldurl = argv[3];
1684
1685         if (delete_mode)
1686                 oldurl = newurl;
1687
1688         remote = remote_get(remotename);
1689         if (!remote_is_configured(remote, 1)) {
1690                 error(_("No such remote '%s'"), remotename);
1691                 exit(2);
1692         }
1693
1694         if (push_mode) {
1695                 strbuf_addf(&name_buf, "remote.%s.pushurl", remotename);
1696                 urlset = remote->pushurl;
1697                 urlset_nr = remote->pushurl_nr;
1698         } else {
1699                 strbuf_addf(&name_buf, "remote.%s.url", remotename);
1700                 urlset = remote->url;
1701                 urlset_nr = remote->url_nr;
1702         }
1703
1704         /* Special cases that add new entry. */
1705         if ((!oldurl && !delete_mode) || add_mode) {
1706                 if (add_mode)
1707                         git_config_set_multivar(name_buf.buf, newurl,
1708                                                        "^$", 0);
1709                 else
1710                         git_config_set(name_buf.buf, newurl);
1711                 goto out;
1712         }
1713
1714         /* Old URL specified. Demand that one matches. */
1715         if (regcomp(&old_regex, oldurl, REG_EXTENDED))
1716                 die(_("Invalid old URL pattern: %s"), oldurl);
1717
1718         for (i = 0; i < urlset_nr; i++)
1719                 if (!regexec(&old_regex, urlset[i], 0, NULL, 0))
1720                         matches++;
1721                 else
1722                         negative_matches++;
1723         if (!delete_mode && !matches)
1724                 die(_("No such URL found: %s"), oldurl);
1725         if (delete_mode && !negative_matches && !push_mode)
1726                 die(_("Will not delete all non-push URLs"));
1727
1728         regfree(&old_regex);
1729
1730         if (!delete_mode)
1731                 git_config_set_multivar(name_buf.buf, newurl, oldurl, 0);
1732         else
1733                 git_config_set_multivar(name_buf.buf, NULL, oldurl,
1734                                         CONFIG_FLAGS_MULTI_REPLACE);
1735 out:
1736         strbuf_release(&name_buf);
1737         return 0;
1738 }
1739
1740 int cmd_remote(int argc, const char **argv, const char *prefix)
1741 {
1742         struct option options[] = {
1743                 OPT__VERBOSE(&verbose, N_("be verbose; must be placed before a subcommand")),
1744                 OPT_END()
1745         };
1746         int result;
1747
1748         argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1749                 PARSE_OPT_STOP_AT_NON_OPTION);
1750
1751         if (argc < 1)
1752                 result = show_all();
1753         else if (!strcmp(argv[0], "add"))
1754                 result = add(argc, argv);
1755         else if (!strcmp(argv[0], "rename"))
1756                 result = mv(argc, argv);
1757         else if (!strcmp(argv[0], "rm") || !strcmp(argv[0], "remove"))
1758                 result = rm(argc, argv);
1759         else if (!strcmp(argv[0], "set-head"))
1760                 result = set_head(argc, argv);
1761         else if (!strcmp(argv[0], "set-branches"))
1762                 result = set_branches(argc, argv);
1763         else if (!strcmp(argv[0], "get-url"))
1764                 result = get_url(argc, argv);
1765         else if (!strcmp(argv[0], "set-url"))
1766                 result = set_url(argc, argv);
1767         else if (!strcmp(argv[0], "show"))
1768                 result = show(argc, argv);
1769         else if (!strcmp(argv[0], "prune"))
1770                 result = prune(argc, argv);
1771         else if (!strcmp(argv[0], "update"))
1772                 result = update(argc, argv);
1773         else {
1774                 error(_("Unknown subcommand: %s"), argv[0]);
1775                 usage_with_options(builtin_remote_usage, options);
1776         }
1777
1778         return result ? 1 : 0;
1779 }