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, const char *prefix)
 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, prefix, options,
 181                              builtin_remote_add_usage, 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,
 268                                 void *data UNUSED)
 269 {
 270         const char *orig_key = key;
 271         char *name;
 272         struct string_list_item *item;
 273         struct branch_info *info;
 274         enum { REMOTE, MERGE, REBASE, PUSH_REMOTE } type;
 275         size_t key_len;
 276
 277         if (!starts_with(key, "branch."))
 278                 return 0;
 279
 280         key += strlen("branch.");
 281         if (strip_suffix(key, ".remote", &key_len))
 282                 type = REMOTE;
 283         else if (strip_suffix(key, ".merge", &key_len))
 284                 type = MERGE;
 285         else if (strip_suffix(key, ".rebase", &key_len))
 286                 type = REBASE;
 287         else if (strip_suffix(key, ".pushremote", &key_len))
 288                 type = PUSH_REMOTE;
 289         else
 290                 return 0;
 291         name = xmemdupz(key, key_len);
 292
 293         item = string_list_insert(&branch_list, name);
 294
 295         if (!item->util)
 296                 item->util = xcalloc(1, sizeof(struct branch_info));
 297         info = item->util;
 298         switch (type) {
 299         case REMOTE:
 300                 if (info->remote_name)
 301                         warning(_("more than one %s"), orig_key);
 302                 info->remote_name = xstrdup(value);
 303                 break;
 304         case MERGE: {
 305                 char *space = strchr(value, ' ');
 306                 value = abbrev_branch(value);
 307                 while (space) {
 308                         char *merge;
 309                         merge = xstrndup(value, space - value);
 310                         string_list_append(&info->merge, merge);
 311                         value = abbrev_branch(space + 1);
 312                         space = strchr(value, ' ');
 313                 }
 314                 string_list_append(&info->merge, xstrdup(value));
 315                 break;
 316         }
 317         case REBASE:
 318                 /*
 319                  * Consider invalid values as false and check the
 320                  * truth value with >= REBASE_TRUE.
 321                  */
 322                 info->rebase = rebase_parse_value(value);
 323                 if (info->rebase == REBASE_INVALID)
 324                         warning(_("unhandled branch.%s.rebase=%s; assuming "
 325                                   "'true'"), name, value);
 326                 break;
 327         case PUSH_REMOTE:
 328                 if (info->push_remote_name)
 329                         warning(_("more than one %s"), orig_key);
 330                 info->push_remote_name = xstrdup(value);
 331                 break;
 332         default:
 333                 BUG("unexpected type=%d", type);
 334         }
 335
 336         return 0;
 337 }
 338
 339 static void read_branches(void)
 340 {
 341         if (branch_list.nr)
 342                 return;
 343         git_config(config_read_branches, NULL);
 344 }
 345
 346 struct ref_states {
 347         struct remote *remote;
 348         struct string_list new_refs, skipped, stale, tracked, heads, push;
 349         int queried;
 350 };
 351
 352 #define REF_STATES_INIT { \
 353         .new_refs = STRING_LIST_INIT_DUP, \
 354         .skipped = STRING_LIST_INIT_DUP, \
 355         .stale = STRING_LIST_INIT_DUP, \
 356         .tracked = STRING_LIST_INIT_DUP, \
 357         .heads = STRING_LIST_INIT_DUP, \
 358         .push = STRING_LIST_INIT_DUP, \
 359 }
 360
 361 static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
 362 {
 363         struct ref *fetch_map = NULL, **tail = &fetch_map;
 364         struct ref *ref, *stale_refs;
 365         int i;
 366
 367         for (i = 0; i < states->remote->fetch.nr; i++)
 368                 if (get_fetch_map(remote_refs, &states->remote->fetch.items[i], &tail, 1))
 369                         die(_("Could not get fetch map for refspec %s"),
 370                                 states->remote->fetch.raw[i]);
 371
 372         for (ref = fetch_map; ref; ref = ref->next) {
 373                 if (omit_name_by_refspec(ref->name, &states->remote->fetch))
 374                         string_list_append(&states->skipped, abbrev_branch(ref->name));
 375                 else if (!ref->peer_ref || !ref_exists(ref->peer_ref->name))
 376                         string_list_append(&states->new_refs, abbrev_branch(ref->name));
 377                 else
 378                         string_list_append(&states->tracked, abbrev_branch(ref->name));
 379         }
 380         stale_refs = get_stale_heads(&states->remote->fetch, fetch_map);
 381         for (ref = stale_refs; ref; ref = ref->next) {
 382                 struct string_list_item *item =
 383                         string_list_append(&states->stale, abbrev_branch(ref->name));
 384                 item->util = xstrdup(ref->name);
 385         }
 386         free_refs(stale_refs);
 387         free_refs(fetch_map);
 388
 389         string_list_sort(&states->new_refs);
 390         string_list_sort(&states->skipped);
 391         string_list_sort(&states->tracked);
 392         string_list_sort(&states->stale);
 393
 394         return 0;
 395 }
 396
 397 struct push_info {
 398         char *dest;
 399         int forced;
 400         enum {
 401                 PUSH_STATUS_CREATE = 0,
 402                 PUSH_STATUS_DELETE,
 403                 PUSH_STATUS_UPTODATE,
 404                 PUSH_STATUS_FASTFORWARD,
 405                 PUSH_STATUS_OUTOFDATE,
 406                 PUSH_STATUS_NOTQUERIED
 407         } status;
 408 };
 409
 410 static int get_push_ref_states(const struct ref *remote_refs,
 411         struct ref_states *states)
 412 {
 413         struct remote *remote = states->remote;
 414         struct ref *ref, *local_refs, *push_map;
 415         if (remote->mirror)
 416                 return 0;
 417
 418         local_refs = get_local_heads();
 419         push_map = copy_ref_list(remote_refs);
 420
 421         match_push_refs(local_refs, &push_map, &remote->push, MATCH_REFS_NONE);
 422
 423         for (ref = push_map; ref; ref = ref->next) {
 424                 struct string_list_item *item;
 425                 struct push_info *info;
 426
 427                 if (!ref->peer_ref)
 428                         continue;
 429                 oidcpy(&ref->new_oid, &ref->peer_ref->new_oid);
 430
 431                 item = string_list_append(&states->push,
 432                                           abbrev_branch(ref->peer_ref->name));
 433                 item->util = xcalloc(1, sizeof(struct push_info));
 434                 info = item->util;
 435                 info->forced = ref->force;
 436                 info->dest = xstrdup(abbrev_branch(ref->name));
 437
 438                 if (is_null_oid(&ref->new_oid)) {
 439                         info->status = PUSH_STATUS_DELETE;
 440                 } else if (oideq(&ref->old_oid, &ref->new_oid))
 441                         info->status = PUSH_STATUS_UPTODATE;
 442                 else if (is_null_oid(&ref->old_oid))
 443                         info->status = PUSH_STATUS_CREATE;
 444                 else if (has_object_file(&ref->old_oid) &&
 445                          ref_newer(&ref->new_oid, &ref->old_oid))
 446                         info->status = PUSH_STATUS_FASTFORWARD;
 447                 else
 448                         info->status = PUSH_STATUS_OUTOFDATE;
 449         }
 450         free_refs(local_refs);
 451         free_refs(push_map);
 452         return 0;
 453 }
 454
 455 static int get_push_ref_states_noquery(struct ref_states *states)
 456 {
 457         int i;
 458         struct remote *remote = states->remote;
 459         struct string_list_item *item;
 460         struct push_info *info;
 461
 462         if (remote->mirror)
 463                 return 0;
 464
 465         if (!remote->push.nr) {
 466                 item = string_list_append(&states->push, _("(matching)"));
 467                 info = item->util = xcalloc(1, sizeof(struct push_info));
 468                 info->status = PUSH_STATUS_NOTQUERIED;
 469                 info->dest = xstrdup(item->string);
 470         }
 471         for (i = 0; i < remote->push.nr; i++) {
 472                 const struct refspec_item *spec = &remote->push.items[i];
 473                 if (spec->matching)
 474                         item = string_list_append(&states->push, _("(matching)"));
 475                 else if (strlen(spec->src))
 476                         item = string_list_append(&states->push, spec->src);
 477                 else
 478                         item = string_list_append(&states->push, _("(delete)"));
 479
 480                 info = item->util = xcalloc(1, sizeof(struct push_info));
 481                 info->forced = spec->force;
 482                 info->status = PUSH_STATUS_NOTQUERIED;
 483                 info->dest = xstrdup(spec->dst ? spec->dst : item->string);
 484         }
 485         return 0;
 486 }
 487
 488 static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
 489 {
 490         struct ref *ref, *matches;
 491         struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
 492         struct refspec_item refspec;
 493
 494         memset(&refspec, 0, sizeof(refspec));
 495         refspec.force = 0;
 496         refspec.pattern = 1;
 497         refspec.src = refspec.dst = "refs/heads/*";
 498         get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
 499         matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
 500                                     fetch_map, 1);
 501         for (ref = matches; ref; ref = ref->next)
 502                 string_list_append(&states->heads, abbrev_branch(ref->name));
 503
 504         free_refs(fetch_map);
 505         free_refs(matches);
 506
 507         return 0;
 508 }
 509
 510 struct known_remote {
 511         struct known_remote *next;
 512         struct remote *remote;
 513 };
 514
 515 struct known_remotes {
 516         struct remote *to_delete;
 517         struct known_remote *list;
 518 };
 519
 520 static int add_known_remote(struct remote *remote, void *cb_data)
 521 {
 522         struct known_remotes *all = cb_data;
 523         struct known_remote *r;
 524
 525         if (!strcmp(all->to_delete->name, remote->name))
 526                 return 0;
 527
 528         r = xmalloc(sizeof(*r));
 529         r->remote = remote;
 530         r->next = all->list;
 531         all->list = r;
 532         return 0;
 533 }
 534
 535 struct branches_for_remote {
 536         struct remote *remote;
 537         struct string_list *branches, *skipped;
 538         struct known_remotes *keep;
 539 };
 540
 541 static int add_branch_for_removal(const char *refname,
 542                                   const struct object_id *oid UNUSED,
 543                                   int flags UNUSED, void *cb_data)
 544 {
 545         struct branches_for_remote *branches = cb_data;
 546         struct refspec_item refspec;
 547         struct known_remote *kr;
 548
 549         memset(&refspec, 0, sizeof(refspec));
 550         refspec.dst = (char *)refname;
 551         if (remote_find_tracking(branches->remote, &refspec))
 552                 return 0;
 553
 554         /* don't delete a branch if another remote also uses it */
 555         for (kr = branches->keep->list; kr; kr = kr->next) {
 556                 memset(&refspec, 0, sizeof(refspec));
 557                 refspec.dst = (char *)refname;
 558                 if (!remote_find_tracking(kr->remote, &refspec))
 559                         return 0;
 560         }
 561
 562         /* don't delete non-remote-tracking refs */
 563         if (!starts_with(refname, "refs/remotes/")) {
 564                 /* advise user how to delete local branches */
 565                 if (starts_with(refname, "refs/heads/"))
 566                         string_list_append(branches->skipped,
 567                                            abbrev_branch(refname));
 568                 /* silently skip over other non-remote refs */
 569                 return 0;
 570         }
 571
 572         string_list_append(branches->branches, refname);
 573
 574         return 0;
 575 }
 576
 577 struct rename_info {
 578         const char *old_name;
 579         const char *new_name;
 580         struct string_list *remote_branches;
 581         uint32_t symrefs_nr;
 582 };
 583
 584 static int read_remote_branches(const char *refname,
 585                                 const struct object_id *oid UNUSED,
 586                                 int flags UNUSED, void *cb_data)
 587 {
 588         struct rename_info *rename = cb_data;
 589         struct strbuf buf = STRBUF_INIT;
 590         struct string_list_item *item;
 591         int flag;
 592         const char *symref;
 593
 594         strbuf_addf(&buf, "refs/remotes/%s/", rename->old_name);
 595         if (starts_with(refname, buf.buf)) {
 596                 item = string_list_append(rename->remote_branches, refname);
 597                 symref = resolve_ref_unsafe(refname, RESOLVE_REF_READING,
 598                                             NULL, &flag);
 599                 if (symref && (flag & REF_ISSYMREF)) {
 600                         item->util = xstrdup(symref);
 601                         rename->symrefs_nr++;
 602                 } else {
 603                         item->util = NULL;
 604                 }
 605         }
 606         strbuf_release(&buf);
 607
 608         return 0;
 609 }
 610
 611 static int migrate_file(struct remote *remote)
 612 {
 613         struct strbuf buf = STRBUF_INIT;
 614         int i;
 615
 616         strbuf_addf(&buf, "remote.%s.url", remote->name);
 617         for (i = 0; i < remote->url_nr; i++)
 618                 git_config_set_multivar(buf.buf, remote->url[i], "^$", 0);
 619         strbuf_reset(&buf);
 620         strbuf_addf(&buf, "remote.%s.push", remote->name);
 621         for (i = 0; i < remote->push.raw_nr; i++)
 622                 git_config_set_multivar(buf.buf, remote->push.raw[i], "^$", 0);
 623         strbuf_reset(&buf);
 624         strbuf_addf(&buf, "remote.%s.fetch", remote->name);
 625         for (i = 0; i < remote->fetch.raw_nr; i++)
 626                 git_config_set_multivar(buf.buf, remote->fetch.raw[i], "^$", 0);
 627         if (remote->origin == REMOTE_REMOTES)
 628                 unlink_or_warn(git_path("remotes/%s", remote->name));
 629         else if (remote->origin == REMOTE_BRANCHES)
 630                 unlink_or_warn(git_path("branches/%s", remote->name));
 631         strbuf_release(&buf);
 632
 633         return 0;
 634 }
 635
 636 struct push_default_info
 637 {
 638         const char *old_name;
 639         enum config_scope scope;
 640         struct strbuf origin;
 641         int linenr;
 642 };
 643
 644 static int config_read_push_default(const char *key, const char *value,
 645         void *cb)
 646 {
 647         struct push_default_info* info = cb;
 648         if (strcmp(key, "remote.pushdefault") ||
 649             !value || strcmp(value, info->old_name))
 650                 return 0;
 651
 652         info->scope = current_config_scope();
 653         strbuf_reset(&info->origin);
 654         strbuf_addstr(&info->origin, current_config_name());
 655         info->linenr = current_config_line();
 656
 657         return 0;
 658 }
 659
 660 static void handle_push_default(const char* old_name, const char* new_name)
 661 {
 662         struct push_default_info push_default = {
 663                 old_name, CONFIG_SCOPE_UNKNOWN, STRBUF_INIT, -1 };
 664         git_config(config_read_push_default, &push_default);
 665         if (push_default.scope >= CONFIG_SCOPE_COMMAND)
 666                 ; /* pass */
 667         else if (push_default.scope >= CONFIG_SCOPE_LOCAL) {
 668                 int result = git_config_set_gently("remote.pushDefault",
 669                                                    new_name);
 670                 if (new_name && result && result != CONFIG_NOTHING_SET)
 671                         die(_("could not set '%s'"), "remote.pushDefault");
 672                 else if (!new_name && result && result != CONFIG_NOTHING_SET)
 673                         die(_("could not unset '%s'"), "remote.pushDefault");
 674         } else if (push_default.scope >= CONFIG_SCOPE_SYSTEM) {
 675                 /* warn */
 676                 warning(_("The %s configuration remote.pushDefault in:\n"
 677                           "\t%s:%d\n"
 678                           "now names the non-existent remote '%s'"),
 679                         config_scope_name(push_default.scope),
 680                         push_default.origin.buf, push_default.linenr,
 681                         old_name);
 682         }
 683 }
 684
 685
 686 static int mv(int argc, const char **argv, const char *prefix)
 687 {
 688         int show_progress = isatty(2);
 689         struct option options[] = {
 690                 OPT_BOOL(0, "progress", &show_progress, N_("force progress reporting")),
 691                 OPT_END()
 692         };
 693         struct remote *oldremote, *newremote;
 694         struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT,
 695                 old_remote_context = STRBUF_INIT;
 696         struct string_list remote_branches = STRING_LIST_INIT_DUP;
 697         struct rename_info rename;
 698         int i, refs_renamed_nr = 0, refspec_updated = 0;
 699         struct progress *progress = NULL;
 700
 701         argc = parse_options(argc, argv, prefix, options,
 702                              builtin_remote_rename_usage, 0);
 703
 704         if (argc != 2)
 705                 usage_with_options(builtin_remote_rename_usage, options);
 706
 707         rename.old_name = argv[0];
 708         rename.new_name = argv[1];
 709         rename.remote_branches = &remote_branches;
 710         rename.symrefs_nr = 0;
 711
 712         oldremote = remote_get(rename.old_name);
 713         if (!remote_is_configured(oldremote, 1)) {
 714                 error(_("No such remote: '%s'"), rename.old_name);
 715                 exit(2);
 716         }
 717
 718         if (!strcmp(rename.old_name, rename.new_name) && oldremote->origin != REMOTE_CONFIG)
 719                 return migrate_file(oldremote);
 720
 721         newremote = remote_get(rename.new_name);
 722         if (remote_is_configured(newremote, 1)) {
 723                 error(_("remote %s already exists."), rename.new_name);
 724                 exit(3);
 725         }
 726
 727         if (!valid_remote_name(rename.new_name))
 728                 die(_("'%s' is not a valid remote name"), rename.new_name);
 729
 730         strbuf_addf(&buf, "remote.%s", rename.old_name);
 731         strbuf_addf(&buf2, "remote.%s", rename.new_name);
 732         if (git_config_rename_section(buf.buf, buf2.buf) < 1)
 733                 return error(_("Could not rename config section '%s' to '%s'"),
 734                                 buf.buf, buf2.buf);
 735
 736         strbuf_reset(&buf);
 737         strbuf_addf(&buf, "remote.%s.fetch", rename.new_name);
 738         git_config_set_multivar(buf.buf, NULL, NULL, CONFIG_FLAGS_MULTI_REPLACE);
 739         strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old_name);
 740         for (i = 0; i < oldremote->fetch.raw_nr; i++) {
 741                 char *ptr;
 742
 743                 strbuf_reset(&buf2);
 744                 strbuf_addstr(&buf2, oldremote->fetch.raw[i]);
 745                 ptr = strstr(buf2.buf, old_remote_context.buf);
 746                 if (ptr) {
 747                         refspec_updated = 1;
 748                         strbuf_splice(&buf2,
 749                                       ptr-buf2.buf + strlen(":refs/remotes/"),
 750                                       strlen(rename.old_name), rename.new_name,
 751                                       strlen(rename.new_name));
 752                 } else
 753                         warning(_("Not updating non-default fetch refspec\n"
 754                                   "\t%s\n"
 755                                   "\tPlease update the configuration manually if necessary."),
 756                                 buf2.buf);
 757
 758                 git_config_set_multivar(buf.buf, buf2.buf, "^$", 0);
 759         }
 760
 761         read_branches();
 762         for (i = 0; i < branch_list.nr; i++) {
 763                 struct string_list_item *item = branch_list.items + i;
 764                 struct branch_info *info = item->util;
 765                 if (info->remote_name && !strcmp(info->remote_name, rename.old_name)) {
 766                         strbuf_reset(&buf);
 767                         strbuf_addf(&buf, "branch.%s.remote", item->string);
 768                         git_config_set(buf.buf, rename.new_name);
 769                 }
 770                 if (info->push_remote_name && !strcmp(info->push_remote_name, rename.old_name)) {
 771                         strbuf_reset(&buf);
 772                         strbuf_addf(&buf, "branch.%s.pushRemote", item->string);
 773                         git_config_set(buf.buf, rename.new_name);
 774                 }
 775         }
 776
 777         if (!refspec_updated)
 778                 return 0;
 779
 780         /*
 781          * First remove symrefs, then rename the rest, finally create
 782          * the new symrefs.
 783          */
 784         for_each_ref(read_remote_branches, &rename);
 785         if (show_progress) {
 786                 /*
 787                  * Count symrefs twice, since "renaming" them is done by
 788                  * deleting and recreating them in two separate passes.
 789                  */
 790                 progress = start_progress(_("Renaming remote references"),
 791                                           rename.remote_branches->nr + rename.symrefs_nr);
 792         }
 793         for (i = 0; i < remote_branches.nr; i++) {
 794                 struct string_list_item *item = remote_branches.items + i;
 795                 struct strbuf referent = STRBUF_INIT;
 796
 797                 if (refs_read_symbolic_ref(get_main_ref_store(the_repository), item->string,
 798                                            &referent))
 799                         continue;
 800                 if (delete_ref(NULL, item->string, NULL, REF_NO_DEREF))
 801                         die(_("deleting '%s' failed"), item->string);
 802
 803                 strbuf_release(&referent);
 804                 display_progress(progress, ++refs_renamed_nr);
 805         }
 806         for (i = 0; i < remote_branches.nr; i++) {
 807                 struct string_list_item *item = remote_branches.items + i;
 808
 809                 if (item->util)
 810                         continue;
 811                 strbuf_reset(&buf);
 812                 strbuf_addstr(&buf, item->string);
 813                 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old_name),
 814                                 rename.new_name, strlen(rename.new_name));
 815                 strbuf_reset(&buf2);
 816                 strbuf_addf(&buf2, "remote: renamed %s to %s",
 817                                 item->string, buf.buf);
 818                 if (rename_ref(item->string, buf.buf, buf2.buf))
 819                         die(_("renaming '%s' failed"), item->string);
 820                 display_progress(progress, ++refs_renamed_nr);
 821         }
 822         for (i = 0; i < remote_branches.nr; i++) {
 823                 struct string_list_item *item = remote_branches.items + i;
 824
 825                 if (!item->util)
 826                         continue;
 827                 strbuf_reset(&buf);
 828                 strbuf_addstr(&buf, item->string);
 829                 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old_name),
 830                                 rename.new_name, strlen(rename.new_name));
 831                 strbuf_reset(&buf2);
 832                 strbuf_addstr(&buf2, item->util);
 833                 strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old_name),
 834                                 rename.new_name, strlen(rename.new_name));
 835                 strbuf_reset(&buf3);
 836                 strbuf_addf(&buf3, "remote: renamed %s to %s",
 837                                 item->string, buf.buf);
 838                 if (create_symref(buf.buf, buf2.buf, buf3.buf))
 839                         die(_("creating '%s' failed"), buf.buf);
 840                 display_progress(progress, ++refs_renamed_nr);
 841         }
 842         stop_progress(&progress);
 843         string_list_clear(&remote_branches, 1);
 844
 845         handle_push_default(rename.old_name, rename.new_name);
 846
 847         return 0;
 848 }
 849
 850 static int rm(int argc, const char **argv, const char *prefix)
 851 {
 852         struct option options[] = {
 853                 OPT_END()
 854         };
 855         struct remote *remote;
 856         struct strbuf buf = STRBUF_INIT;
 857         struct known_remotes known_remotes = { NULL, NULL };
 858         struct string_list branches = STRING_LIST_INIT_DUP;
 859         struct string_list skipped = STRING_LIST_INIT_DUP;
 860         struct branches_for_remote cb_data;
 861         int i, result;
 862
 863         memset(&cb_data, 0, sizeof(cb_data));
 864         cb_data.branches = &branches;
 865         cb_data.skipped = &skipped;
 866         cb_data.keep = &known_remotes;
 867
 868         argc = parse_options(argc, argv, prefix, options,
 869                              builtin_remote_rm_usage, 0);
 870         if (argc != 1)
 871                 usage_with_options(builtin_remote_rm_usage, options);
 872
 873         remote = remote_get(argv[0]);
 874         if (!remote_is_configured(remote, 1)) {
 875                 error(_("No such remote: '%s'"), argv[0]);
 876                 exit(2);
 877         }
 878
 879         known_remotes.to_delete = remote;
 880         for_each_remote(add_known_remote, &known_remotes);
 881
 882         read_branches();
 883         for (i = 0; i < branch_list.nr; i++) {
 884                 struct string_list_item *item = branch_list.items + i;
 885                 struct branch_info *info = item->util;
 886                 if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
 887                         const char *keys[] = { "remote", "merge", NULL }, **k;
 888                         for (k = keys; *k; k++) {
 889                                 strbuf_reset(&buf);
 890                                 strbuf_addf(&buf, "branch.%s.%s",
 891                                                 item->string, *k);
 892                                 result = git_config_set_gently(buf.buf, NULL);
 893                                 if (result && result != CONFIG_NOTHING_SET)
 894                                         die(_("could not unset '%s'"), buf.buf);
 895                         }
 896                 }
 897                 if (info->push_remote_name && !strcmp(info->push_remote_name, remote->name)) {
 898                         strbuf_reset(&buf);
 899                         strbuf_addf(&buf, "branch.%s.pushremote", item->string);
 900                         result = git_config_set_gently(buf.buf, NULL);
 901                         if (result && result != CONFIG_NOTHING_SET)
 902                                 die(_("could not unset '%s'"), buf.buf);
 903                 }
 904         }
 905
 906         /*
 907          * We cannot just pass a function to for_each_ref() which deletes
 908          * the branches one by one, since for_each_ref() relies on cached
 909          * refs, which are invalidated when deleting a branch.
 910          */
 911         cb_data.remote = remote;
 912         result = for_each_ref(add_branch_for_removal, &cb_data);
 913         strbuf_release(&buf);
 914
 915         if (!result)
 916                 result = delete_refs("remote: remove", &branches, REF_NO_DEREF);
 917         string_list_clear(&branches, 0);
 918
 919         if (skipped.nr) {
 920                 fprintf_ln(stderr,
 921                            Q_("Note: A branch outside the refs/remotes/ hierarchy was not removed;\n"
 922                               "to delete it, use:",
 923                               "Note: Some branches outside the refs/remotes/ hierarchy were not removed;\n"
 924                               "to delete them, use:",
 925                               skipped.nr));
 926                 for (i = 0; i < skipped.nr; i++)
 927                         fprintf(stderr, "  git branch -d %s\n",
 928                                 skipped.items[i].string);
 929         }
 930         string_list_clear(&skipped, 0);
 931
 932         if (!result) {
 933                 strbuf_addf(&buf, "remote.%s", remote->name);
 934                 if (git_config_rename_section(buf.buf, NULL) < 1)
 935                         return error(_("Could not remove config section '%s'"), buf.buf);
 936
 937                 handle_push_default(remote->name, NULL);
 938         }
 939
 940         return result;
 941 }
 942
 943 static void clear_push_info(void *util, const char *string)
 944 {
 945         struct push_info *info = util;
 946         free(info->dest);
 947         free(info);
 948 }
 949
 950 static void free_remote_ref_states(struct ref_states *states)
 951 {
 952         string_list_clear(&states->new_refs, 0);
 953         string_list_clear(&states->skipped, 0);
 954         string_list_clear(&states->stale, 1);
 955         string_list_clear(&states->tracked, 0);
 956         string_list_clear(&states->heads, 0);
 957         string_list_clear_func(&states->push, clear_push_info);
 958 }
 959
 960 static int append_ref_to_tracked_list(const char *refname,
 961                                       const struct object_id *oid UNUSED,
 962                                       int flags, void *cb_data)
 963 {
 964         struct ref_states *states = cb_data;
 965         struct refspec_item refspec;
 966
 967         if (flags & REF_ISSYMREF)
 968                 return 0;
 969
 970         memset(&refspec, 0, sizeof(refspec));
 971         refspec.dst = (char *)refname;
 972         if (!remote_find_tracking(states->remote, &refspec))
 973                 string_list_append(&states->tracked, abbrev_branch(refspec.src));
 974
 975         return 0;
 976 }
 977
 978 static int get_remote_ref_states(const char *name,
 979                                  struct ref_states *states,
 980                                  int query)
 981 {
 982         states->remote = remote_get(name);
 983         if (!states->remote)
 984                 return error(_("No such remote: '%s'"), name);
 985
 986         read_branches();
 987
 988         if (query) {
 989                 struct transport *transport;
 990                 const struct ref *remote_refs;
 991
 992                 transport = transport_get(states->remote, states->remote->url_nr > 0 ?
 993                         states->remote->url[0] : NULL);
 994                 remote_refs = transport_get_remote_refs(transport, NULL);
 995
 996                 states->queried = 1;
 997                 if (query & GET_REF_STATES)
 998                         get_ref_states(remote_refs, states);
 999                 if (query & GET_HEAD_NAMES)
1000                         get_head_names(remote_refs, states);
1001                 if (query & GET_PUSH_REF_STATES)
1002                         get_push_ref_states(remote_refs, states);
1003                 transport_disconnect(transport);
1004         } else {
1005                 for_each_ref(append_ref_to_tracked_list, states);
1006                 string_list_sort(&states->tracked);
1007                 get_push_ref_states_noquery(states);
1008         }
1009
1010         return 0;
1011 }
1012
1013 struct show_info {
1014         struct string_list list;
1015         struct ref_states states;
1016         int width, width2;
1017         int any_rebase;
1018 };
1019
1020 #define SHOW_INFO_INIT { \
1021         .list = STRING_LIST_INIT_DUP, \
1022         .states = REF_STATES_INIT, \
1023 }
1024
1025 static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
1026 {
1027         struct show_info *info = cb_data;
1028         int n = strlen(item->string);
1029         if (n > info->width)
1030                 info->width = n;
1031         string_list_insert(&info->list, item->string);
1032         return 0;
1033 }
1034
1035 static int show_remote_info_item(struct string_list_item *item, void *cb_data)
1036 {
1037         struct show_info *info = cb_data;
1038         struct ref_states *states = &info->states;
1039         const char *name = item->string;
1040
1041         if (states->queried) {
1042                 const char *fmt = "%s";
1043                 const char *arg = "";
1044                 if (string_list_has_string(&states->new_refs, name)) {
1045                         fmt = _(" new (next fetch will store in remotes/%s)");
1046                         arg = states->remote->name;
1047                 } else if (string_list_has_string(&states->tracked, name))
1048                         arg = _(" tracked");
1049                 else if (string_list_has_string(&states->skipped, name))
1050                         arg = _(" skipped");
1051                 else if (string_list_has_string(&states->stale, name))
1052                         arg = _(" stale (use 'git remote prune' to remove)");
1053                 else
1054                         arg = _(" ???");
1055                 printf("    %-*s", info->width, name);
1056                 printf(fmt, arg);
1057                 printf("\n");
1058         } else
1059                 printf("    %s\n", name);
1060
1061         return 0;
1062 }
1063
1064 static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
1065 {
1066         struct show_info *show_info = cb_data;
1067         struct ref_states *states = &show_info->states;
1068         struct branch_info *branch_info = branch_item->util;
1069         struct string_list_item *item;
1070         int n;
1071
1072         if (!branch_info->merge.nr || !branch_info->remote_name ||
1073             strcmp(states->remote->name, branch_info->remote_name))
1074                 return 0;
1075         if ((n = strlen(branch_item->string)) > show_info->width)
1076                 show_info->width = n;
1077         if (branch_info->rebase >= REBASE_TRUE)
1078                 show_info->any_rebase = 1;
1079
1080         item = string_list_insert(&show_info->list, branch_item->string);
1081         item->util = branch_info;
1082
1083         return 0;
1084 }
1085
1086 static int show_local_info_item(struct string_list_item *item, void *cb_data)
1087 {
1088         struct show_info *show_info = cb_data;
1089         struct branch_info *branch_info = item->util;
1090         struct string_list *merge = &branch_info->merge;
1091         int width = show_info->width + 4;
1092         int i;
1093
1094         if (branch_info->rebase >= REBASE_TRUE && branch_info->merge.nr > 1) {
1095                 error(_("invalid branch.%s.merge; cannot rebase onto > 1 branch"),
1096                         item->string);
1097                 return 0;
1098         }
1099
1100         printf("    %-*s ", show_info->width, item->string);
1101         if (branch_info->rebase >= REBASE_TRUE) {
1102                 const char *msg;
1103                 if (branch_info->rebase == REBASE_INTERACTIVE)
1104                         msg = _("rebases interactively onto remote %s");
1105                 else if (branch_info->rebase == REBASE_MERGES)
1106                         msg = _("rebases interactively (with merges) onto "
1107                                 "remote %s");
1108                 else
1109                         msg = _("rebases onto remote %s");
1110                 printf_ln(msg, merge->items[0].string);
1111                 return 0;
1112         } else if (show_info->any_rebase) {
1113                 printf_ln(_(" merges with remote %s"), merge->items[0].string);
1114                 width++;
1115         } else {
1116                 printf_ln(_("merges with remote %s"), merge->items[0].string);
1117         }
1118         for (i = 1; i < merge->nr; i++)
1119                 printf(_("%-*s    and with remote %s\n"), width, "",
1120                        merge->items[i].string);
1121
1122         return 0;
1123 }
1124
1125 static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
1126 {
1127         struct show_info *show_info = cb_data;
1128         struct push_info *push_info = push_item->util;
1129         struct string_list_item *item;
1130         int n;
1131         if ((n = strlen(push_item->string)) > show_info->width)
1132                 show_info->width = n;
1133         if ((n = strlen(push_info->dest)) > show_info->width2)
1134                 show_info->width2 = n;
1135         item = string_list_append(&show_info->list, push_item->string);
1136         item->util = push_item->util;
1137         return 0;
1138 }
1139
1140 /*
1141  * Sorting comparison for a string list that has push_info
1142  * structs in its util field
1143  */
1144 static int cmp_string_with_push(const void *va, const void *vb)
1145 {
1146         const struct string_list_item *a = va;
1147         const struct string_list_item *b = vb;
1148         const struct push_info *a_push = a->util;
1149         const struct push_info *b_push = b->util;
1150         int cmp = strcmp(a->string, b->string);
1151         return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
1152 }
1153
1154 static int show_push_info_item(struct string_list_item *item, void *cb_data)
1155 {
1156         struct show_info *show_info = cb_data;
1157         struct push_info *push_info = item->util;
1158         const char *src = item->string, *status = NULL;
1159
1160         switch (push_info->status) {
1161         case PUSH_STATUS_CREATE:
1162                 status = _("create");
1163                 break;
1164         case PUSH_STATUS_DELETE:
1165                 status = _("delete");
1166                 src = _("(none)");
1167                 break;
1168         case PUSH_STATUS_UPTODATE:
1169                 status = _("up to date");
1170                 break;
1171         case PUSH_STATUS_FASTFORWARD:
1172                 status = _("fast-forwardable");
1173                 break;
1174         case PUSH_STATUS_OUTOFDATE:
1175                 status = _("local out of date");
1176                 break;
1177         case PUSH_STATUS_NOTQUERIED:
1178                 break;
1179         }
1180         if (status) {
1181                 if (push_info->forced)
1182                         printf_ln(_("    %-*s forces to %-*s (%s)"), show_info->width, src,
1183                                show_info->width2, push_info->dest, status);
1184                 else
1185                         printf_ln(_("    %-*s pushes to %-*s (%s)"), show_info->width, src,
1186                                show_info->width2, push_info->dest, status);
1187         } else {
1188                 if (push_info->forced)
1189                         printf_ln(_("    %-*s forces to %s"), show_info->width, src,
1190                                push_info->dest);
1191                 else
1192                         printf_ln(_("    %-*s pushes to %s"), show_info->width, src,
1193                                push_info->dest);
1194         }
1195         return 0;
1196 }
1197
1198 static int get_one_entry(struct remote *remote, void *priv)
1199 {
1200         struct string_list *list = priv;
1201         struct strbuf remote_info_buf = STRBUF_INIT;
1202         const char **url;
1203         int i, url_nr;
1204
1205         if (remote->url_nr > 0) {
1206                 struct strbuf promisor_config = STRBUF_INIT;
1207                 const char *partial_clone_filter = NULL;
1208
1209                 strbuf_addf(&promisor_config, "remote.%s.partialclonefilter", remote->name);
1210                 strbuf_addf(&remote_info_buf, "%s (fetch)", remote->url[0]);
1211                 if (!git_config_get_string_tmp(promisor_config.buf, &partial_clone_filter))
1212                         strbuf_addf(&remote_info_buf, " [%s]", partial_clone_filter);
1213
1214                 strbuf_release(&promisor_config);
1215                 string_list_append(list, remote->name)->util =
1216                                 strbuf_detach(&remote_info_buf, NULL);
1217         } else
1218                 string_list_append(list, remote->name)->util = NULL;
1219         if (remote->pushurl_nr) {
1220                 url = remote->pushurl;
1221                 url_nr = remote->pushurl_nr;
1222         } else {
1223                 url = remote->url;
1224                 url_nr = remote->url_nr;
1225         }
1226         for (i = 0; i < url_nr; i++)
1227         {
1228                 strbuf_addf(&remote_info_buf, "%s (push)", url[i]);
1229                 string_list_append(list, remote->name)->util =
1230                                 strbuf_detach(&remote_info_buf, NULL);
1231         }
1232
1233         return 0;
1234 }
1235
1236 static int show_all(void)
1237 {
1238         struct string_list list = STRING_LIST_INIT_DUP;
1239         int result;
1240
1241         result = for_each_remote(get_one_entry, &list);
1242
1243         if (!result) {
1244                 int i;
1245
1246                 string_list_sort(&list);
1247                 for (i = 0; i < list.nr; i++) {
1248                         struct string_list_item *item = list.items + i;
1249                         if (verbose)
1250                                 printf("%s\t%s\n", item->string,
1251                                         item->util ? (const char *)item->util : "");
1252                         else {
1253                                 if (i && !strcmp((item - 1)->string, item->string))
1254                                         continue;
1255                                 printf("%s\n", item->string);
1256                         }
1257                 }
1258         }
1259         string_list_clear(&list, 1);
1260         return result;
1261 }
1262
1263 static int show(int argc, const char **argv, const char *prefix)
1264 {
1265         int no_query = 0, result = 0, query_flag = 0;
1266         struct option options[] = {
1267                 OPT_BOOL('n', NULL, &no_query, N_("do not query remotes")),
1268                 OPT_END()
1269         };
1270         struct show_info info = SHOW_INFO_INIT;
1271
1272         argc = parse_options(argc, argv, prefix, options,
1273                              builtin_remote_show_usage,
1274                              0);
1275
1276         if (argc < 1)
1277                 return show_all();
1278
1279         if (!no_query)
1280                 query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
1281
1282         for (; argc; argc--, argv++) {
1283                 int i;
1284                 const char **url;
1285                 int url_nr;
1286
1287                 get_remote_ref_states(*argv, &info.states, query_flag);
1288
1289                 printf_ln(_("* remote %s"), *argv);
1290                 printf_ln(_("  Fetch URL: %s"), info.states.remote->url_nr > 0 ?
1291                        info.states.remote->url[0] : _("(no URL)"));
1292                 if (info.states.remote->pushurl_nr) {
1293                         url = info.states.remote->pushurl;
1294                         url_nr = info.states.remote->pushurl_nr;
1295                 } else {
1296                         url = info.states.remote->url;
1297                         url_nr = info.states.remote->url_nr;
1298                 }
1299                 for (i = 0; i < url_nr; i++)
1300                         /*
1301                          * TRANSLATORS: the colon ':' should align
1302                          * with the one in " Fetch URL: %s"
1303                          * translation.
1304                          */
1305                         printf_ln(_("  Push  URL: %s"), url[i]);
1306                 if (!i)
1307                         printf_ln(_("  Push  URL: %s"), _("(no URL)"));
1308                 if (no_query)
1309                         printf_ln(_("  HEAD branch: %s"), _("(not queried)"));
1310                 else if (!info.states.heads.nr)
1311                         printf_ln(_("  HEAD branch: %s"), _("(unknown)"));
1312                 else if (info.states.heads.nr == 1)
1313                         printf_ln(_("  HEAD branch: %s"), info.states.heads.items[0].string);
1314                 else {
1315                         printf(_("  HEAD branch (remote HEAD is ambiguous,"
1316                                  " may be one of the following):\n"));
1317                         for (i = 0; i < info.states.heads.nr; i++)
1318                                 printf("    %s\n", info.states.heads.items[i].string);
1319                 }
1320
1321                 /* remote branch info */
1322                 info.width = 0;
1323                 for_each_string_list(&info.states.new_refs, add_remote_to_show_info, &info);
1324                 for_each_string_list(&info.states.skipped, add_remote_to_show_info, &info);
1325                 for_each_string_list(&info.states.tracked, add_remote_to_show_info, &info);
1326                 for_each_string_list(&info.states.stale, add_remote_to_show_info, &info);
1327                 if (info.list.nr)
1328                         printf_ln(Q_("  Remote branch:%s",
1329                                      "  Remote branches:%s",
1330                                      info.list.nr),
1331                                   no_query ? _(" (status not queried)") : "");
1332                 for_each_string_list(&info.list, show_remote_info_item, &info);
1333                 string_list_clear(&info.list, 0);
1334
1335                 /* git pull info */
1336                 info.width = 0;
1337                 info.any_rebase = 0;
1338                 for_each_string_list(&branch_list, add_local_to_show_info, &info);
1339                 if (info.list.nr)
1340                         printf_ln(Q_("  Local branch configured for 'git pull':",
1341                                      "  Local branches configured for 'git pull':",
1342                                      info.list.nr));
1343                 for_each_string_list(&info.list, show_local_info_item, &info);
1344                 string_list_clear(&info.list, 0);
1345
1346                 /* git push info */
1347                 if (info.states.remote->mirror)
1348                         printf_ln(_("  Local refs will be mirrored by 'git push'"));
1349
1350                 info.width = info.width2 = 0;
1351                 for_each_string_list(&info.states.push, add_push_to_show_info, &info);
1352                 QSORT(info.list.items, info.list.nr, cmp_string_with_push);
1353                 if (info.list.nr)
1354                         printf_ln(Q_("  Local ref configured for 'git push'%s:",
1355                                      "  Local refs configured for 'git push'%s:",
1356                                      info.list.nr),
1357                                   no_query ? _(" (status not queried)") : "");
1358                 for_each_string_list(&info.list, show_push_info_item, &info);
1359                 string_list_clear(&info.list, 0);
1360
1361                 free_remote_ref_states(&info.states);
1362         }
1363
1364         return result;
1365 }
1366
1367 static int set_head(int argc, const char **argv, const char *prefix)
1368 {
1369         int i, opt_a = 0, opt_d = 0, result = 0;
1370         struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1371         char *head_name = NULL;
1372
1373         struct option options[] = {
1374                 OPT_BOOL('a', "auto", &opt_a,
1375                          N_("set refs/remotes/<name>/HEAD according to remote")),
1376                 OPT_BOOL('d', "delete", &opt_d,
1377                          N_("delete refs/remotes/<name>/HEAD")),
1378                 OPT_END()
1379         };
1380         argc = parse_options(argc, argv, prefix, options,
1381                              builtin_remote_sethead_usage, 0);
1382         if (argc)
1383                 strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1384
1385         if (!opt_a && !opt_d && argc == 2) {
1386                 head_name = xstrdup(argv[1]);
1387         } else if (opt_a && !opt_d && argc == 1) {
1388                 struct ref_states states = REF_STATES_INIT;
1389                 get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1390                 if (!states.heads.nr)
1391                         result |= error(_("Cannot determine remote HEAD"));
1392                 else if (states.heads.nr > 1) {
1393                         result |= error(_("Multiple remote HEAD branches. "
1394                                           "Please choose one explicitly with:"));
1395                         for (i = 0; i < states.heads.nr; i++)
1396                                 fprintf(stderr, "  git remote set-head %s %s\n",
1397                                         argv[0], states.heads.items[i].string);
1398                 } else
1399                         head_name = xstrdup(states.heads.items[0].string);
1400                 free_remote_ref_states(&states);
1401         } else if (opt_d && !opt_a && argc == 1) {
1402                 if (delete_ref(NULL, buf.buf, NULL, REF_NO_DEREF))
1403                         result |= error(_("Could not delete %s"), buf.buf);
1404         } else
1405                 usage_with_options(builtin_remote_sethead_usage, options);
1406
1407         if (head_name) {
1408                 strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1409                 /* make sure it's valid */
1410                 if (!ref_exists(buf2.buf))
1411                         result |= error(_("Not a valid ref: %s"), buf2.buf);
1412                 else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1413                         result |= error(_("Could not setup %s"), buf.buf);
1414                 else if (opt_a)
1415                         printf("%s/HEAD set to %s\n", argv[0], head_name);
1416                 free(head_name);
1417         }
1418
1419         strbuf_release(&buf);
1420         strbuf_release(&buf2);
1421         return result;
1422 }
1423
1424 static int prune_remote(const char *remote, int dry_run)
1425 {
1426         int result = 0;
1427         struct ref_states states = REF_STATES_INIT;
1428         struct string_list refs_to_prune = STRING_LIST_INIT_NODUP;
1429         struct string_list_item *item;
1430         const char *dangling_msg = dry_run
1431                 ? _(" %s will become dangling!")
1432                 : _(" %s has become dangling!");
1433
1434         get_remote_ref_states(remote, &states, GET_REF_STATES);
1435
1436         if (!states.stale.nr) {
1437                 free_remote_ref_states(&states);
1438                 return 0;
1439         }
1440
1441         printf_ln(_("Pruning %s"), remote);
1442         printf_ln(_("URL: %s"),
1443                   states.remote->url_nr
1444                   ? states.remote->url[0]
1445                   : _("(no URL)"));
1446
1447         for_each_string_list_item(item, &states.stale)
1448                 string_list_append(&refs_to_prune, item->util);
1449         string_list_sort(&refs_to_prune);
1450
1451         if (!dry_run)
1452                 result |= delete_refs("remote: prune", &refs_to_prune, 0);
1453
1454         for_each_string_list_item(item, &states.stale) {
1455                 const char *refname = item->util;
1456
1457                 if (dry_run)
1458                         printf_ln(_(" * [would prune] %s"),
1459                                abbrev_ref(refname, "refs/remotes/"));
1460                 else
1461                         printf_ln(_(" * [pruned] %s"),
1462                                abbrev_ref(refname, "refs/remotes/"));
1463         }
1464
1465         warn_dangling_symrefs(stdout, dangling_msg, &refs_to_prune);
1466
1467         string_list_clear(&refs_to_prune, 0);
1468         free_remote_ref_states(&states);
1469         return result;
1470 }
1471
1472 static int prune(int argc, const char **argv, const char *prefix)
1473 {
1474         int dry_run = 0, result = 0;
1475         struct option options[] = {
1476                 OPT__DRY_RUN(&dry_run, N_("dry run")),
1477                 OPT_END()
1478         };
1479
1480         argc = parse_options(argc, argv, prefix, options,
1481                              builtin_remote_prune_usage, 0);
1482
1483         if (argc < 1)
1484                 usage_with_options(builtin_remote_prune_usage, options);
1485
1486         for (; argc; argc--, argv++)
1487                 result |= prune_remote(*argv, dry_run);
1488
1489         return result;
1490 }
1491
1492 static int get_remote_default(const char *key, const char *value UNUSED, void *priv)
1493 {
1494         if (strcmp(key, "remotes.default") == 0) {
1495                 int *found = priv;
1496                 *found = 1;
1497         }
1498         return 0;
1499 }
1500
1501 static int update(int argc, const char **argv, const char *prefix)
1502 {
1503         int i, prune = -1;
1504         struct option options[] = {
1505                 OPT_BOOL('p', "prune", &prune,
1506                          N_("prune remotes after fetching")),
1507                 OPT_END()
1508         };
1509         struct strvec fetch_argv = STRVEC_INIT;
1510         int default_defined = 0;
1511         int retval;
1512
1513         argc = parse_options(argc, argv, prefix, options,
1514                              builtin_remote_update_usage,
1515                              PARSE_OPT_KEEP_ARGV0);
1516
1517         strvec_push(&fetch_argv, "fetch");
1518
1519         if (prune != -1)
1520                 strvec_push(&fetch_argv, prune ? "--prune" : "--no-prune");
1521         if (verbose)
1522                 strvec_push(&fetch_argv, "-v");
1523         strvec_push(&fetch_argv, "--multiple");
1524         if (argc < 2)
1525                 strvec_push(&fetch_argv, "default");
1526         for (i = 1; i < argc; i++)
1527                 strvec_push(&fetch_argv, argv[i]);
1528
1529         if (strcmp(fetch_argv.v[fetch_argv.nr-1], "default") == 0) {
1530                 git_config(get_remote_default, &default_defined);
1531                 if (!default_defined) {
1532                         strvec_pop(&fetch_argv);
1533                         strvec_push(&fetch_argv, "--all");
1534                 }
1535         }
1536
1537         retval = run_command_v_opt(fetch_argv.v, RUN_GIT_CMD);
1538         strvec_clear(&fetch_argv);
1539         return retval;
1540 }
1541
1542 static int remove_all_fetch_refspecs(const char *key)
1543 {
1544         return git_config_set_multivar_gently(key, NULL, NULL,
1545                                               CONFIG_FLAGS_MULTI_REPLACE);
1546 }
1547
1548 static void add_branches(struct remote *remote, const char **branches,
1549                          const char *key)
1550 {
1551         const char *remotename = remote->name;
1552         int mirror = remote->mirror;
1553         struct strbuf refspec = STRBUF_INIT;
1554
1555         for (; *branches; branches++)
1556                 add_branch(key, *branches, remotename, mirror, &refspec);
1557
1558         strbuf_release(&refspec);
1559 }
1560
1561 static int set_remote_branches(const char *remotename, const char **branches,
1562                                 int add_mode)
1563 {
1564         struct strbuf key = STRBUF_INIT;
1565         struct remote *remote;
1566
1567         strbuf_addf(&key, "remote.%s.fetch", remotename);
1568
1569         remote = remote_get(remotename);
1570         if (!remote_is_configured(remote, 1)) {
1571                 error(_("No such remote '%s'"), remotename);
1572                 exit(2);
1573         }
1574
1575         if (!add_mode && remove_all_fetch_refspecs(key.buf)) {
1576                 strbuf_release(&key);
1577                 return 1;
1578         }
1579         add_branches(remote, branches, key.buf);
1580
1581         strbuf_release(&key);
1582         return 0;
1583 }
1584
1585 static int set_branches(int argc, const char **argv, const char *prefix)
1586 {
1587         int add_mode = 0;
1588         struct option options[] = {
1589                 OPT_BOOL('\0', "add", &add_mode, N_("add branch")),
1590                 OPT_END()
1591         };
1592
1593         argc = parse_options(argc, argv, prefix, options,
1594                              builtin_remote_setbranches_usage, 0);
1595         if (argc == 0) {
1596                 error(_("no remote specified"));
1597                 usage_with_options(builtin_remote_setbranches_usage, options);
1598         }
1599         argv[argc] = NULL;
1600
1601         return set_remote_branches(argv[0], argv + 1, add_mode);
1602 }
1603
1604 static int get_url(int argc, const char **argv, const char *prefix)
1605 {
1606         int i, push_mode = 0, all_mode = 0;
1607         const char *remotename = NULL;
1608         struct remote *remote;
1609         const char **url;
1610         int url_nr;
1611         struct option options[] = {
1612                 OPT_BOOL('\0', "push", &push_mode,
1613                          N_("query push URLs rather than fetch URLs")),
1614                 OPT_BOOL('\0', "all", &all_mode,
1615                          N_("return all URLs")),
1616                 OPT_END()
1617         };
1618         argc = parse_options(argc, argv, prefix, options,
1619                              builtin_remote_geturl_usage, 0);
1620
1621         if (argc != 1)
1622                 usage_with_options(builtin_remote_geturl_usage, options);
1623
1624         remotename = argv[0];
1625
1626         remote = remote_get(remotename);
1627         if (!remote_is_configured(remote, 1)) {
1628                 error(_("No such remote '%s'"), remotename);
1629                 exit(2);
1630         }
1631
1632         url_nr = 0;
1633         if (push_mode) {
1634                 url = remote->pushurl;
1635                 url_nr = remote->pushurl_nr;
1636         }
1637         /* else fetch mode */
1638
1639         /* Use the fetch URL when no push URLs were found or requested. */
1640         if (!url_nr) {
1641                 url = remote->url;
1642                 url_nr = remote->url_nr;
1643         }
1644
1645         if (!url_nr)
1646                 die(_("no URLs configured for remote '%s'"), remotename);
1647
1648         if (all_mode) {
1649                 for (i = 0; i < url_nr; i++)
1650                         printf_ln("%s", url[i]);
1651         } else {
1652                 printf_ln("%s", *url);
1653         }
1654
1655         return 0;
1656 }
1657
1658 static int set_url(int argc, const char **argv, const char *prefix)
1659 {
1660         int i, push_mode = 0, add_mode = 0, delete_mode = 0;
1661         int matches = 0, negative_matches = 0;
1662         const char *remotename = NULL;
1663         const char *newurl = NULL;
1664         const char *oldurl = NULL;
1665         struct remote *remote;
1666         regex_t old_regex;
1667         const char **urlset;
1668         int urlset_nr;
1669         struct strbuf name_buf = STRBUF_INIT;
1670         struct option options[] = {
1671                 OPT_BOOL('\0', "push", &push_mode,
1672                          N_("manipulate push URLs")),
1673                 OPT_BOOL('\0', "add", &add_mode,
1674                          N_("add URL")),
1675                 OPT_BOOL('\0', "delete", &delete_mode,
1676                             N_("delete URLs")),
1677                 OPT_END()
1678         };
1679         argc = parse_options(argc, argv, prefix, options,
1680                              builtin_remote_seturl_usage,
1681                              PARSE_OPT_KEEP_ARGV0);
1682
1683         if (add_mode && delete_mode)
1684                 die(_("--add --delete doesn't make sense"));
1685
1686         if (argc < 3 || argc > 4 || ((add_mode || delete_mode) && argc != 3))
1687                 usage_with_options(builtin_remote_seturl_usage, options);
1688
1689         remotename = argv[1];
1690         newurl = argv[2];
1691         if (argc > 3)
1692                 oldurl = argv[3];
1693
1694         if (delete_mode)
1695                 oldurl = newurl;
1696
1697         remote = remote_get(remotename);
1698         if (!remote_is_configured(remote, 1)) {
1699                 error(_("No such remote '%s'"), remotename);
1700                 exit(2);
1701         }
1702
1703         if (push_mode) {
1704                 strbuf_addf(&name_buf, "remote.%s.pushurl", remotename);
1705                 urlset = remote->pushurl;
1706                 urlset_nr = remote->pushurl_nr;
1707         } else {
1708                 strbuf_addf(&name_buf, "remote.%s.url", remotename);
1709                 urlset = remote->url;
1710                 urlset_nr = remote->url_nr;
1711         }
1712
1713         /* Special cases that add new entry. */
1714         if ((!oldurl && !delete_mode) || add_mode) {
1715                 if (add_mode)
1716                         git_config_set_multivar(name_buf.buf, newurl,
1717                                                        "^$", 0);
1718                 else
1719                         git_config_set(name_buf.buf, newurl);
1720                 goto out;
1721         }
1722
1723         /* Old URL specified. Demand that one matches. */
1724         if (regcomp(&old_regex, oldurl, REG_EXTENDED))
1725                 die(_("Invalid old URL pattern: %s"), oldurl);
1726
1727         for (i = 0; i < urlset_nr; i++)
1728                 if (!regexec(&old_regex, urlset[i], 0, NULL, 0))
1729                         matches++;
1730                 else
1731                         negative_matches++;
1732         if (!delete_mode && !matches)
1733                 die(_("No such URL found: %s"), oldurl);
1734         if (delete_mode && !negative_matches && !push_mode)
1735                 die(_("Will not delete all non-push URLs"));
1736
1737         regfree(&old_regex);
1738
1739         if (!delete_mode)
1740                 git_config_set_multivar(name_buf.buf, newurl, oldurl, 0);
1741         else
1742                 git_config_set_multivar(name_buf.buf, NULL, oldurl,
1743                                         CONFIG_FLAGS_MULTI_REPLACE);
1744 out:
1745         strbuf_release(&name_buf);
1746         return 0;
1747 }
1748
1749 int cmd_remote(int argc, const char **argv, const char *prefix)
1750 {
1751         parse_opt_subcommand_fn *fn = NULL;
1752         struct option options[] = {
1753                 OPT__VERBOSE(&verbose, N_("be verbose; must be placed before a subcommand")),
1754                 OPT_SUBCOMMAND("add", &fn, add),
1755                 OPT_SUBCOMMAND("rename", &fn, mv),
1756                 OPT_SUBCOMMAND_F("rm", &fn, rm, PARSE_OPT_NOCOMPLETE),
1757                 OPT_SUBCOMMAND("remove", &fn, rm),
1758                 OPT_SUBCOMMAND("set-head", &fn, set_head),
1759                 OPT_SUBCOMMAND("set-branches", &fn, set_branches),
1760                 OPT_SUBCOMMAND("get-url", &fn, get_url),
1761                 OPT_SUBCOMMAND("set-url", &fn, set_url),
1762                 OPT_SUBCOMMAND("show", &fn, show),
1763                 OPT_SUBCOMMAND("prune", &fn, prune),
1764                 OPT_SUBCOMMAND("update", &fn, update),
1765                 OPT_END()
1766         };
1767
1768         argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1769                              PARSE_OPT_SUBCOMMAND_OPTIONAL);
1770
1771         if (fn) {
1772                 return !!fn(argc, argv, prefix);
1773         } else {
1774                 if (argc) {
1775                         error(_("unknown subcommand: `%s'"), argv[0]);
1776                         usage_with_options(builtin_remote_usage, options);
1777                 }
1778                 return !!show_all();
1779         }
1780 }