Andrew's git / gitweb.git / builtin-remote.c
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builtin-remote.con commit Merge remote branch 'ko/master' into HEAD (44148f2)
   1#include "cache.h"
   2#include "parse-options.h"
   3#include "transport.h"
   4#include "remote.h"
   5#include "string-list.h"
   6#include "strbuf.h"
   7#include "run-command.h"
   8#include "refs.h"
   9
  10static const char * const builtin_remote_usage[] = {
  11        "git remote [-v | --verbose]",
  12        "git remote add [-t <branch>] [-m <master>] [-f] [--mirror] <name> <url>",
  13        "git remote rename <old> <new>",
  14        "git remote rm <name>",
  15        "git remote set-head <name> (-a | -d | <branch>)",
  16        "git remote [-v | --verbose] show [-n] <name>",
  17        "git remote prune [-n | --dry-run] <name>",
  18        "git remote [-v | --verbose] update [-p | --prune] [group | remote]",
  19        NULL
  20};
  21
  22static const char * const builtin_remote_add_usage[] = {
  23        "git remote add [<options>] <name> <url>",
  24        NULL
  25};
  26
  27static const char * const builtin_remote_rename_usage[] = {
  28        "git remote rename <old> <new>",
  29        NULL
  30};
  31
  32static const char * const builtin_remote_rm_usage[] = {
  33        "git remote rm <name>",
  34        NULL
  35};
  36
  37static const char * const builtin_remote_sethead_usage[] = {
  38        "git remote set-head <name> (-a | -d | <branch>])",
  39        NULL
  40};
  41
  42static const char * const builtin_remote_show_usage[] = {
  43        "git remote show [<options>] <name>",
  44        NULL
  45};
  46
  47static const char * const builtin_remote_prune_usage[] = {
  48        "git remote prune [<options>] <name>",
  49        NULL
  50};
  51
  52static const char * const builtin_remote_update_usage[] = {
  53        "git remote update [<options>] [<group> | <remote>]...",
  54        NULL
  55};
  56
  57#define GET_REF_STATES (1<<0)
  58#define GET_HEAD_NAMES (1<<1)
  59#define GET_PUSH_REF_STATES (1<<2)
  60
  61static int verbose;
  62
  63static int show_all(void);
  64static int prune_remote(const char *remote, int dry_run);
  65
  66static inline int postfixcmp(const char *string, const char *postfix)
  67{
  68        int len1 = strlen(string), len2 = strlen(postfix);
  69        if (len1 < len2)
  70                return 1;
  71        return strcmp(string + len1 - len2, postfix);
  72}
  73
  74static int opt_parse_track(const struct option *opt, const char *arg, int not)
  75{
  76        struct string_list *list = opt->value;
  77        if (not)
  78                string_list_clear(list, 0);
  79        else
  80                string_list_append(arg, list);
  81        return 0;
  82}
  83
  84static int fetch_remote(const char *name)
  85{
  86        const char *argv[] = { "fetch", name, NULL, NULL };
  87        if (verbose) {
  88                argv[1] = "-v";
  89                argv[2] = name;
  90        }
  91        printf("Updating %s\n", name);
  92        if (run_command_v_opt(argv, RUN_GIT_CMD))
  93                return error("Could not fetch %s", name);
  94        return 0;
  95}
  96
  97static int add(int argc, const char **argv)
  98{
  99        int fetch = 0, mirror = 0;
 100        struct string_list track = { NULL, 0, 0 };
 101        const char *master = NULL;
 102        struct remote *remote;
 103        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
 104        const char *name, *url;
 105        int i;
 106
 107        struct option options[] = {
 108                OPT_BOOLEAN('f', "fetch", &fetch, "fetch the remote branches"),
 109                OPT_CALLBACK('t', "track", &track, "branch",
 110                        "branch(es) to track", opt_parse_track),
 111                OPT_STRING('m', "master", &master, "branch", "master branch"),
 112                OPT_BOOLEAN(0, "mirror", &mirror, "no separate remotes"),
 113                OPT_END()
 114        };
 115
 116        argc = parse_options(argc, argv, NULL, options, builtin_remote_add_usage,
 117                             0);
 118
 119        if (argc < 2)
 120                usage_with_options(builtin_remote_add_usage, options);
 121
 122        name = argv[0];
 123        url = argv[1];
 124
 125        remote = remote_get(name);
 126        if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
 127                        remote->fetch_refspec_nr))
 128                die("remote %s already exists.", name);
 129
 130        strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
 131        if (!valid_fetch_refspec(buf2.buf))
 132                die("'%s' is not a valid remote name", name);
 133
 134        strbuf_addf(&buf, "remote.%s.url", name);
 135        if (git_config_set(buf.buf, url))
 136                return 1;
 137
 138        strbuf_reset(&buf);
 139        strbuf_addf(&buf, "remote.%s.fetch", name);
 140
 141        if (track.nr == 0)
 142                string_list_append("*", &track);
 143        for (i = 0; i < track.nr; i++) {
 144                struct string_list_item *item = track.items + i;
 145
 146                strbuf_reset(&buf2);
 147                strbuf_addch(&buf2, '+');
 148                if (mirror)
 149                        strbuf_addf(&buf2, "refs/%s:refs/%s",
 150                                        item->string, item->string);
 151                else
 152                        strbuf_addf(&buf2, "refs/heads/%s:refs/remotes/%s/%s",
 153                                        item->string, name, item->string);
 154                if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
 155                        return 1;
 156        }
 157
 158        if (mirror) {
 159                strbuf_reset(&buf);
 160                strbuf_addf(&buf, "remote.%s.mirror", name);
 161                if (git_config_set(buf.buf, "true"))
 162                        return 1;
 163        }
 164
 165        if (fetch && fetch_remote(name))
 166                return 1;
 167
 168        if (master) {
 169                strbuf_reset(&buf);
 170                strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
 171
 172                strbuf_reset(&buf2);
 173                strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
 174
 175                if (create_symref(buf.buf, buf2.buf, "remote add"))
 176                        return error("Could not setup master '%s'", master);
 177        }
 178
 179        strbuf_release(&buf);
 180        strbuf_release(&buf2);
 181        string_list_clear(&track, 0);
 182
 183        return 0;
 184}
 185
 186struct branch_info {
 187        char *remote_name;
 188        struct string_list merge;
 189        int rebase;
 190};
 191
 192static struct string_list branch_list;
 193
 194static const char *abbrev_ref(const char *name, const char *prefix)
 195{
 196        const char *abbrev = skip_prefix(name, prefix);
 197        if (abbrev)
 198                return abbrev;
 199        return name;
 200}
 201#define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
 202
 203static int config_read_branches(const char *key, const char *value, void *cb)
 204{
 205        if (!prefixcmp(key, "branch.")) {
 206                const char *orig_key = key;
 207                char *name;
 208                struct string_list_item *item;
 209                struct branch_info *info;
 210                enum { REMOTE, MERGE, REBASE } type;
 211
 212                key += 7;
 213                if (!postfixcmp(key, ".remote")) {
 214                        name = xstrndup(key, strlen(key) - 7);
 215                        type = REMOTE;
 216                } else if (!postfixcmp(key, ".merge")) {
 217                        name = xstrndup(key, strlen(key) - 6);
 218                        type = MERGE;
 219                } else if (!postfixcmp(key, ".rebase")) {
 220                        name = xstrndup(key, strlen(key) - 7);
 221                        type = REBASE;
 222                } else
 223                        return 0;
 224
 225                item = string_list_insert(name, &branch_list);
 226
 227                if (!item->util)
 228                        item->util = xcalloc(sizeof(struct branch_info), 1);
 229                info = item->util;
 230                if (type == REMOTE) {
 231                        if (info->remote_name)
 232                                warning("more than one %s", orig_key);
 233                        info->remote_name = xstrdup(value);
 234                } else if (type == MERGE) {
 235                        char *space = strchr(value, ' ');
 236                        value = abbrev_branch(value);
 237                        while (space) {
 238                                char *merge;
 239                                merge = xstrndup(value, space - value);
 240                                string_list_append(merge, &info->merge);
 241                                value = abbrev_branch(space + 1);
 242                                space = strchr(value, ' ');
 243                        }
 244                        string_list_append(xstrdup(value), &info->merge);
 245                } else
 246                        info->rebase = git_config_bool(orig_key, value);
 247        }
 248        return 0;
 249}
 250
 251static void read_branches(void)
 252{
 253        if (branch_list.nr)
 254                return;
 255        git_config(config_read_branches, NULL);
 256}
 257
 258struct ref_states {
 259        struct remote *remote;
 260        struct string_list new, stale, tracked, heads, push;
 261        int queried;
 262};
 263
 264static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
 265{
 266        struct ref *fetch_map = NULL, **tail = &fetch_map;
 267        struct ref *ref, *stale_refs;
 268        int i;
 269
 270        for (i = 0; i < states->remote->fetch_refspec_nr; i++)
 271                if (get_fetch_map(remote_refs, states->remote->fetch + i, &tail, 1))
 272                        die("Could not get fetch map for refspec %s",
 273                                states->remote->fetch_refspec[i]);
 274
 275        states->new.strdup_strings = states->tracked.strdup_strings = 1;
 276        for (ref = fetch_map; ref; ref = ref->next) {
 277                unsigned char sha1[20];
 278                if (!ref->peer_ref || read_ref(ref->peer_ref->name, sha1))
 279                        string_list_append(abbrev_branch(ref->name), &states->new);
 280                else
 281                        string_list_append(abbrev_branch(ref->name), &states->tracked);
 282        }
 283        stale_refs = get_stale_heads(states->remote, fetch_map);
 284        for (ref = stale_refs; ref; ref = ref->next) {
 285                struct string_list_item *item =
 286                        string_list_append(abbrev_branch(ref->name), &states->stale);
 287                item->util = xstrdup(ref->name);
 288        }
 289        free_refs(stale_refs);
 290        free_refs(fetch_map);
 291
 292        sort_string_list(&states->new);
 293        sort_string_list(&states->tracked);
 294        sort_string_list(&states->stale);
 295
 296        return 0;
 297}
 298
 299struct push_info {
 300        char *dest;
 301        int forced;
 302        enum {
 303                PUSH_STATUS_CREATE = 0,
 304                PUSH_STATUS_DELETE,
 305                PUSH_STATUS_UPTODATE,
 306                PUSH_STATUS_FASTFORWARD,
 307                PUSH_STATUS_OUTOFDATE,
 308                PUSH_STATUS_NOTQUERIED,
 309        } status;
 310};
 311
 312static int get_push_ref_states(const struct ref *remote_refs,
 313        struct ref_states *states)
 314{
 315        struct remote *remote = states->remote;
 316        struct ref *ref, *local_refs, *push_map;
 317        if (remote->mirror)
 318                return 0;
 319
 320        local_refs = get_local_heads();
 321        push_map = copy_ref_list(remote_refs);
 322
 323        match_refs(local_refs, &push_map, remote->push_refspec_nr,
 324                   remote->push_refspec, MATCH_REFS_NONE);
 325
 326        states->push.strdup_strings = 1;
 327        for (ref = push_map; ref; ref = ref->next) {
 328                struct string_list_item *item;
 329                struct push_info *info;
 330
 331                if (!ref->peer_ref)
 332                        continue;
 333                hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
 334
 335                item = string_list_append(abbrev_branch(ref->peer_ref->name),
 336                                          &states->push);
 337                item->util = xcalloc(sizeof(struct push_info), 1);
 338                info = item->util;
 339                info->forced = ref->force;
 340                info->dest = xstrdup(abbrev_branch(ref->name));
 341
 342                if (is_null_sha1(ref->new_sha1)) {
 343                        info->status = PUSH_STATUS_DELETE;
 344                } else if (!hashcmp(ref->old_sha1, ref->new_sha1))
 345                        info->status = PUSH_STATUS_UPTODATE;
 346                else if (is_null_sha1(ref->old_sha1))
 347                        info->status = PUSH_STATUS_CREATE;
 348                else if (has_sha1_file(ref->old_sha1) &&
 349                         ref_newer(ref->new_sha1, ref->old_sha1))
 350                        info->status = PUSH_STATUS_FASTFORWARD;
 351                else
 352                        info->status = PUSH_STATUS_OUTOFDATE;
 353        }
 354        free_refs(local_refs);
 355        free_refs(push_map);
 356        return 0;
 357}
 358
 359static int get_push_ref_states_noquery(struct ref_states *states)
 360{
 361        int i;
 362        struct remote *remote = states->remote;
 363        struct string_list_item *item;
 364        struct push_info *info;
 365
 366        if (remote->mirror)
 367                return 0;
 368
 369        states->push.strdup_strings = 1;
 370        if (!remote->push_refspec_nr) {
 371                item = string_list_append("(matching)", &states->push);
 372                info = item->util = xcalloc(sizeof(struct push_info), 1);
 373                info->status = PUSH_STATUS_NOTQUERIED;
 374                info->dest = xstrdup(item->string);
 375        }
 376        for (i = 0; i < remote->push_refspec_nr; i++) {
 377                struct refspec *spec = remote->push + i;
 378                if (spec->matching)
 379                        item = string_list_append("(matching)", &states->push);
 380                else if (strlen(spec->src))
 381                        item = string_list_append(spec->src, &states->push);
 382                else
 383                        item = string_list_append("(delete)", &states->push);
 384
 385                info = item->util = xcalloc(sizeof(struct push_info), 1);
 386                info->forced = spec->force;
 387                info->status = PUSH_STATUS_NOTQUERIED;
 388                info->dest = xstrdup(spec->dst ? spec->dst : item->string);
 389        }
 390        return 0;
 391}
 392
 393static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
 394{
 395        struct ref *ref, *matches;
 396        struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
 397        struct refspec refspec;
 398
 399        refspec.force = 0;
 400        refspec.pattern = 1;
 401        refspec.src = refspec.dst = "refs/heads/*";
 402        states->heads.strdup_strings = 1;
 403        get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
 404        matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
 405                                    fetch_map, 1);
 406        for (ref = matches; ref; ref = ref->next)
 407                string_list_append(abbrev_branch(ref->name), &states->heads);
 408
 409        free_refs(fetch_map);
 410        free_refs(matches);
 411
 412        return 0;
 413}
 414
 415struct known_remote {
 416        struct known_remote *next;
 417        struct remote *remote;
 418};
 419
 420struct known_remotes {
 421        struct remote *to_delete;
 422        struct known_remote *list;
 423};
 424
 425static int add_known_remote(struct remote *remote, void *cb_data)
 426{
 427        struct known_remotes *all = cb_data;
 428        struct known_remote *r;
 429
 430        if (!strcmp(all->to_delete->name, remote->name))
 431                return 0;
 432
 433        r = xmalloc(sizeof(*r));
 434        r->remote = remote;
 435        r->next = all->list;
 436        all->list = r;
 437        return 0;
 438}
 439
 440struct branches_for_remote {
 441        struct remote *remote;
 442        struct string_list *branches, *skipped;
 443        struct known_remotes *keep;
 444};
 445
 446static int add_branch_for_removal(const char *refname,
 447        const unsigned char *sha1, int flags, void *cb_data)
 448{
 449        struct branches_for_remote *branches = cb_data;
 450        struct refspec refspec;
 451        struct string_list_item *item;
 452        struct known_remote *kr;
 453
 454        memset(&refspec, 0, sizeof(refspec));
 455        refspec.dst = (char *)refname;
 456        if (remote_find_tracking(branches->remote, &refspec))
 457                return 0;
 458
 459        /* don't delete a branch if another remote also uses it */
 460        for (kr = branches->keep->list; kr; kr = kr->next) {
 461                memset(&refspec, 0, sizeof(refspec));
 462                refspec.dst = (char *)refname;
 463                if (!remote_find_tracking(kr->remote, &refspec))
 464                        return 0;
 465        }
 466
 467        /* don't delete non-remote refs */
 468        if (prefixcmp(refname, "refs/remotes")) {
 469                /* advise user how to delete local branches */
 470                if (!prefixcmp(refname, "refs/heads/"))
 471                        string_list_append(abbrev_branch(refname),
 472                                           branches->skipped);
 473                /* silently skip over other non-remote refs */
 474                return 0;
 475        }
 476
 477        /* make sure that symrefs are deleted */
 478        if (flags & REF_ISSYMREF)
 479                return unlink(git_path("%s", refname));
 480
 481        item = string_list_append(refname, branches->branches);
 482        item->util = xmalloc(20);
 483        hashcpy(item->util, sha1);
 484
 485        return 0;
 486}
 487
 488struct rename_info {
 489        const char *old;
 490        const char *new;
 491        struct string_list *remote_branches;
 492};
 493
 494static int read_remote_branches(const char *refname,
 495        const unsigned char *sha1, int flags, void *cb_data)
 496{
 497        struct rename_info *rename = cb_data;
 498        struct strbuf buf = STRBUF_INIT;
 499        struct string_list_item *item;
 500        int flag;
 501        unsigned char orig_sha1[20];
 502        const char *symref;
 503
 504        strbuf_addf(&buf, "refs/remotes/%s", rename->old);
 505        if (!prefixcmp(refname, buf.buf)) {
 506                item = string_list_append(xstrdup(refname), rename->remote_branches);
 507                symref = resolve_ref(refname, orig_sha1, 1, &flag);
 508                if (flag & REF_ISSYMREF)
 509                        item->util = xstrdup(symref);
 510                else
 511                        item->util = NULL;
 512        }
 513
 514        return 0;
 515}
 516
 517static int migrate_file(struct remote *remote)
 518{
 519        struct strbuf buf = STRBUF_INIT;
 520        int i;
 521        char *path = NULL;
 522
 523        strbuf_addf(&buf, "remote.%s.url", remote->name);
 524        for (i = 0; i < remote->url_nr; i++)
 525                if (git_config_set_multivar(buf.buf, remote->url[i], "^$", 0))
 526                        return error("Could not append '%s' to '%s'",
 527                                        remote->url[i], buf.buf);
 528        strbuf_reset(&buf);
 529        strbuf_addf(&buf, "remote.%s.push", remote->name);
 530        for (i = 0; i < remote->push_refspec_nr; i++)
 531                if (git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0))
 532                        return error("Could not append '%s' to '%s'",
 533                                        remote->push_refspec[i], buf.buf);
 534        strbuf_reset(&buf);
 535        strbuf_addf(&buf, "remote.%s.fetch", remote->name);
 536        for (i = 0; i < remote->fetch_refspec_nr; i++)
 537                if (git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0))
 538                        return error("Could not append '%s' to '%s'",
 539                                        remote->fetch_refspec[i], buf.buf);
 540        if (remote->origin == REMOTE_REMOTES)
 541                path = git_path("remotes/%s", remote->name);
 542        else if (remote->origin == REMOTE_BRANCHES)
 543                path = git_path("branches/%s", remote->name);
 544        if (path)
 545                unlink_or_warn(path);
 546        return 0;
 547}
 548
 549static int mv(int argc, const char **argv)
 550{
 551        struct option options[] = {
 552                OPT_END()
 553        };
 554        struct remote *oldremote, *newremote;
 555        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT;
 556        struct string_list remote_branches = { NULL, 0, 0, 0 };
 557        struct rename_info rename;
 558        int i;
 559
 560        if (argc != 3)
 561                usage_with_options(builtin_remote_rename_usage, options);
 562
 563        rename.old = argv[1];
 564        rename.new = argv[2];
 565        rename.remote_branches = &remote_branches;
 566
 567        oldremote = remote_get(rename.old);
 568        if (!oldremote)
 569                die("No such remote: %s", rename.old);
 570
 571        if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
 572                return migrate_file(oldremote);
 573
 574        newremote = remote_get(rename.new);
 575        if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
 576                die("remote %s already exists.", rename.new);
 577
 578        strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
 579        if (!valid_fetch_refspec(buf.buf))
 580                die("'%s' is not a valid remote name", rename.new);
 581
 582        strbuf_reset(&buf);
 583        strbuf_addf(&buf, "remote.%s", rename.old);
 584        strbuf_addf(&buf2, "remote.%s", rename.new);
 585        if (git_config_rename_section(buf.buf, buf2.buf) < 1)
 586                return error("Could not rename config section '%s' to '%s'",
 587                                buf.buf, buf2.buf);
 588
 589        strbuf_reset(&buf);
 590        strbuf_addf(&buf, "remote.%s.fetch", rename.new);
 591        if (git_config_set_multivar(buf.buf, NULL, NULL, 1))
 592                return error("Could not remove config section '%s'", buf.buf);
 593        for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
 594                char *ptr;
 595
 596                strbuf_reset(&buf2);
 597                strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
 598                ptr = strstr(buf2.buf, rename.old);
 599                if (ptr)
 600                        strbuf_splice(&buf2, ptr-buf2.buf, strlen(rename.old),
 601                                        rename.new, strlen(rename.new));
 602                if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
 603                        return error("Could not append '%s'", buf.buf);
 604        }
 605
 606        read_branches();
 607        for (i = 0; i < branch_list.nr; i++) {
 608                struct string_list_item *item = branch_list.items + i;
 609                struct branch_info *info = item->util;
 610                if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
 611                        strbuf_reset(&buf);
 612                        strbuf_addf(&buf, "branch.%s.remote", item->string);
 613                        if (git_config_set(buf.buf, rename.new)) {
 614                                return error("Could not set '%s'", buf.buf);
 615                        }
 616                }
 617        }
 618
 619        /*
 620         * First remove symrefs, then rename the rest, finally create
 621         * the new symrefs.
 622         */
 623        for_each_ref(read_remote_branches, &rename);
 624        for (i = 0; i < remote_branches.nr; i++) {
 625                struct string_list_item *item = remote_branches.items + i;
 626                int flag = 0;
 627                unsigned char sha1[20];
 628
 629                resolve_ref(item->string, sha1, 1, &flag);
 630                if (!(flag & REF_ISSYMREF))
 631                        continue;
 632                if (delete_ref(item->string, NULL, REF_NODEREF))
 633                        die("deleting '%s' failed", item->string);
 634        }
 635        for (i = 0; i < remote_branches.nr; i++) {
 636                struct string_list_item *item = remote_branches.items + i;
 637
 638                if (item->util)
 639                        continue;
 640                strbuf_reset(&buf);
 641                strbuf_addstr(&buf, item->string);
 642                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 643                                rename.new, strlen(rename.new));
 644                strbuf_reset(&buf2);
 645                strbuf_addf(&buf2, "remote: renamed %s to %s",
 646                                item->string, buf.buf);
 647                if (rename_ref(item->string, buf.buf, buf2.buf))
 648                        die("renaming '%s' failed", item->string);
 649        }
 650        for (i = 0; i < remote_branches.nr; i++) {
 651                struct string_list_item *item = remote_branches.items + i;
 652
 653                if (!item->util)
 654                        continue;
 655                strbuf_reset(&buf);
 656                strbuf_addstr(&buf, item->string);
 657                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 658                                rename.new, strlen(rename.new));
 659                strbuf_reset(&buf2);
 660                strbuf_addstr(&buf2, item->util);
 661                strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
 662                                rename.new, strlen(rename.new));
 663                strbuf_reset(&buf3);
 664                strbuf_addf(&buf3, "remote: renamed %s to %s",
 665                                item->string, buf.buf);
 666                if (create_symref(buf.buf, buf2.buf, buf3.buf))
 667                        die("creating '%s' failed", buf.buf);
 668        }
 669        return 0;
 670}
 671
 672static int remove_branches(struct string_list *branches)
 673{
 674        int i, result = 0;
 675        for (i = 0; i < branches->nr; i++) {
 676                struct string_list_item *item = branches->items + i;
 677                const char *refname = item->string;
 678                unsigned char *sha1 = item->util;
 679
 680                if (delete_ref(refname, sha1, 0))
 681                        result |= error("Could not remove branch %s", refname);
 682        }
 683        return result;
 684}
 685
 686static int rm(int argc, const char **argv)
 687{
 688        struct option options[] = {
 689                OPT_END()
 690        };
 691        struct remote *remote;
 692        struct strbuf buf = STRBUF_INIT;
 693        struct known_remotes known_remotes = { NULL, NULL };
 694        struct string_list branches = { NULL, 0, 0, 1 };
 695        struct string_list skipped = { NULL, 0, 0, 1 };
 696        struct branches_for_remote cb_data = {
 697                NULL, &branches, &skipped, &known_remotes
 698        };
 699        int i, result;
 700
 701        if (argc != 2)
 702                usage_with_options(builtin_remote_rm_usage, options);
 703
 704        remote = remote_get(argv[1]);
 705        if (!remote)
 706                die("No such remote: %s", argv[1]);
 707
 708        known_remotes.to_delete = remote;
 709        for_each_remote(add_known_remote, &known_remotes);
 710
 711        strbuf_addf(&buf, "remote.%s", remote->name);
 712        if (git_config_rename_section(buf.buf, NULL) < 1)
 713                return error("Could not remove config section '%s'", buf.buf);
 714
 715        read_branches();
 716        for (i = 0; i < branch_list.nr; i++) {
 717                struct string_list_item *item = branch_list.items + i;
 718                struct branch_info *info = item->util;
 719                if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
 720                        const char *keys[] = { "remote", "merge", NULL }, **k;
 721                        for (k = keys; *k; k++) {
 722                                strbuf_reset(&buf);
 723                                strbuf_addf(&buf, "branch.%s.%s",
 724                                                item->string, *k);
 725                                if (git_config_set(buf.buf, NULL)) {
 726                                        strbuf_release(&buf);
 727                                        return -1;
 728                                }
 729                        }
 730                }
 731        }
 732
 733        /*
 734         * We cannot just pass a function to for_each_ref() which deletes
 735         * the branches one by one, since for_each_ref() relies on cached
 736         * refs, which are invalidated when deleting a branch.
 737         */
 738        cb_data.remote = remote;
 739        result = for_each_ref(add_branch_for_removal, &cb_data);
 740        strbuf_release(&buf);
 741
 742        if (!result)
 743                result = remove_branches(&branches);
 744        string_list_clear(&branches, 1);
 745
 746        if (skipped.nr) {
 747                fprintf(stderr, skipped.nr == 1 ?
 748                        "Note: A non-remote branch was not removed; "
 749                        "to delete it, use:\n" :
 750                        "Note: Non-remote branches were not removed; "
 751                        "to delete them, use:\n");
 752                for (i = 0; i < skipped.nr; i++)
 753                        fprintf(stderr, "  git branch -d %s\n",
 754                                skipped.items[i].string);
 755        }
 756        string_list_clear(&skipped, 0);
 757
 758        return result;
 759}
 760
 761static void clear_push_info(void *util, const char *string)
 762{
 763        struct push_info *info = util;
 764        free(info->dest);
 765        free(info);
 766}
 767
 768static void free_remote_ref_states(struct ref_states *states)
 769{
 770        string_list_clear(&states->new, 0);
 771        string_list_clear(&states->stale, 0);
 772        string_list_clear(&states->tracked, 0);
 773        string_list_clear(&states->heads, 0);
 774        string_list_clear_func(&states->push, clear_push_info);
 775}
 776
 777static int append_ref_to_tracked_list(const char *refname,
 778        const unsigned char *sha1, int flags, void *cb_data)
 779{
 780        struct ref_states *states = cb_data;
 781        struct refspec refspec;
 782
 783        if (flags & REF_ISSYMREF)
 784                return 0;
 785
 786        memset(&refspec, 0, sizeof(refspec));
 787        refspec.dst = (char *)refname;
 788        if (!remote_find_tracking(states->remote, &refspec))
 789                string_list_append(abbrev_branch(refspec.src), &states->tracked);
 790
 791        return 0;
 792}
 793
 794static int get_remote_ref_states(const char *name,
 795                                 struct ref_states *states,
 796                                 int query)
 797{
 798        struct transport *transport;
 799        const struct ref *remote_refs;
 800
 801        states->remote = remote_get(name);
 802        if (!states->remote)
 803                return error("No such remote: %s", name);
 804
 805        read_branches();
 806
 807        if (query) {
 808                transport = transport_get(states->remote, states->remote->url_nr > 0 ?
 809                        states->remote->url[0] : NULL);
 810                remote_refs = transport_get_remote_refs(transport);
 811                transport_disconnect(transport);
 812
 813                states->queried = 1;
 814                if (query & GET_REF_STATES)
 815                        get_ref_states(remote_refs, states);
 816                if (query & GET_HEAD_NAMES)
 817                        get_head_names(remote_refs, states);
 818                if (query & GET_PUSH_REF_STATES)
 819                        get_push_ref_states(remote_refs, states);
 820        } else {
 821                for_each_ref(append_ref_to_tracked_list, states);
 822                sort_string_list(&states->tracked);
 823                get_push_ref_states_noquery(states);
 824        }
 825
 826        return 0;
 827}
 828
 829struct show_info {
 830        struct string_list *list;
 831        struct ref_states *states;
 832        int width, width2;
 833        int any_rebase;
 834};
 835
 836static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
 837{
 838        struct show_info *info = cb_data;
 839        int n = strlen(item->string);
 840        if (n > info->width)
 841                info->width = n;
 842        string_list_insert(item->string, info->list);
 843        return 0;
 844}
 845
 846static int show_remote_info_item(struct string_list_item *item, void *cb_data)
 847{
 848        struct show_info *info = cb_data;
 849        struct ref_states *states = info->states;
 850        const char *name = item->string;
 851
 852        if (states->queried) {
 853                const char *fmt = "%s";
 854                const char *arg = "";
 855                if (string_list_has_string(&states->new, name)) {
 856                        fmt = " new (next fetch will store in remotes/%s)";
 857                        arg = states->remote->name;
 858                } else if (string_list_has_string(&states->tracked, name))
 859                        arg = " tracked";
 860                else if (string_list_has_string(&states->stale, name))
 861                        arg = " stale (use 'git remote prune' to remove)";
 862                else
 863                        arg = " ???";
 864                printf("    %-*s", info->width, name);
 865                printf(fmt, arg);
 866                printf("\n");
 867        } else
 868                printf("    %s\n", name);
 869
 870        return 0;
 871}
 872
 873static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
 874{
 875        struct show_info *show_info = cb_data;
 876        struct ref_states *states = show_info->states;
 877        struct branch_info *branch_info = branch_item->util;
 878        struct string_list_item *item;
 879        int n;
 880
 881        if (!branch_info->merge.nr || !branch_info->remote_name ||
 882            strcmp(states->remote->name, branch_info->remote_name))
 883                return 0;
 884        if ((n = strlen(branch_item->string)) > show_info->width)
 885                show_info->width = n;
 886        if (branch_info->rebase)
 887                show_info->any_rebase = 1;
 888
 889        item = string_list_insert(branch_item->string, show_info->list);
 890        item->util = branch_info;
 891
 892        return 0;
 893}
 894
 895static int show_local_info_item(struct string_list_item *item, void *cb_data)
 896{
 897        struct show_info *show_info = cb_data;
 898        struct branch_info *branch_info = item->util;
 899        struct string_list *merge = &branch_info->merge;
 900        const char *also;
 901        int i;
 902
 903        if (branch_info->rebase && branch_info->merge.nr > 1) {
 904                error("invalid branch.%s.merge; cannot rebase onto > 1 branch",
 905                        item->string);
 906                return 0;
 907        }
 908
 909        printf("    %-*s ", show_info->width, item->string);
 910        if (branch_info->rebase) {
 911                printf("rebases onto remote %s\n", merge->items[0].string);
 912                return 0;
 913        } else if (show_info->any_rebase) {
 914                printf(" merges with remote %s\n", merge->items[0].string);
 915                also = "    and with remote";
 916        } else {
 917                printf("merges with remote %s\n", merge->items[0].string);
 918                also = "   and with remote";
 919        }
 920        for (i = 1; i < merge->nr; i++)
 921                printf("    %-*s %s %s\n", show_info->width, "", also,
 922                       merge->items[i].string);
 923
 924        return 0;
 925}
 926
 927static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
 928{
 929        struct show_info *show_info = cb_data;
 930        struct push_info *push_info = push_item->util;
 931        struct string_list_item *item;
 932        int n;
 933        if ((n = strlen(push_item->string)) > show_info->width)
 934                show_info->width = n;
 935        if ((n = strlen(push_info->dest)) > show_info->width2)
 936                show_info->width2 = n;
 937        item = string_list_append(push_item->string, show_info->list);
 938        item->util = push_item->util;
 939        return 0;
 940}
 941
 942/*
 943 * Sorting comparison for a string list that has push_info
 944 * structs in its util field
 945 */
 946static int cmp_string_with_push(const void *va, const void *vb)
 947{
 948        const struct string_list_item *a = va;
 949        const struct string_list_item *b = vb;
 950        const struct push_info *a_push = a->util;
 951        const struct push_info *b_push = b->util;
 952        int cmp = strcmp(a->string, b->string);
 953        return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
 954}
 955
 956static int show_push_info_item(struct string_list_item *item, void *cb_data)
 957{
 958        struct show_info *show_info = cb_data;
 959        struct push_info *push_info = item->util;
 960        char *src = item->string, *status = NULL;
 961
 962        switch (push_info->status) {
 963        case PUSH_STATUS_CREATE:
 964                status = "create";
 965                break;
 966        case PUSH_STATUS_DELETE:
 967                status = "delete";
 968                src = "(none)";
 969                break;
 970        case PUSH_STATUS_UPTODATE:
 971                status = "up to date";
 972                break;
 973        case PUSH_STATUS_FASTFORWARD:
 974                status = "fast-forwardable";
 975                break;
 976        case PUSH_STATUS_OUTOFDATE:
 977                status = "local out of date";
 978                break;
 979        case PUSH_STATUS_NOTQUERIED:
 980                break;
 981        }
 982        if (status)
 983                printf("    %-*s %s to %-*s (%s)\n", show_info->width, src,
 984                        push_info->forced ? "forces" : "pushes",
 985                        show_info->width2, push_info->dest, status);
 986        else
 987                printf("    %-*s %s to %s\n", show_info->width, src,
 988                        push_info->forced ? "forces" : "pushes",
 989                        push_info->dest);
 990        return 0;
 991}
 992
 993static int show(int argc, const char **argv)
 994{
 995        int no_query = 0, result = 0, query_flag = 0;
 996        struct option options[] = {
 997                OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
 998                OPT_END()
 999        };
1000        struct ref_states states;
1001        struct string_list info_list = { NULL, 0, 0, 0 };
1002        struct show_info info;
1003
1004        argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
1005                             0);
1006
1007        if (argc < 1)
1008                return show_all();
1009
1010        if (!no_query)
1011                query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
1012
1013        memset(&states, 0, sizeof(states));
1014        memset(&info, 0, sizeof(info));
1015        info.states = &states;
1016        info.list = &info_list;
1017        for (; argc; argc--, argv++) {
1018                int i;
1019                const char **url;
1020                int url_nr;
1021
1022                get_remote_ref_states(*argv, &states, query_flag);
1023
1024                printf("* remote %s\n", *argv);
1025                printf("  Fetch URL: %s\n", states.remote->url_nr > 0 ?
1026                        states.remote->url[0] : "(no URL)");
1027                if (states.remote->pushurl_nr) {
1028                        url = states.remote->pushurl;
1029                        url_nr = states.remote->pushurl_nr;
1030                } else {
1031                        url = states.remote->url;
1032                        url_nr = states.remote->url_nr;
1033                }
1034                for (i=0; i < url_nr; i++)
1035                        printf("  Push  URL: %s\n", url[i]);
1036                if (!i)
1037                        printf("  Push  URL: %s\n", "(no URL)");
1038                if (no_query)
1039                        printf("  HEAD branch: (not queried)\n");
1040                else if (!states.heads.nr)
1041                        printf("  HEAD branch: (unknown)\n");
1042                else if (states.heads.nr == 1)
1043                        printf("  HEAD branch: %s\n", states.heads.items[0].string);
1044                else {
1045                        printf("  HEAD branch (remote HEAD is ambiguous,"
1046                               " may be one of the following):\n");
1047                        for (i = 0; i < states.heads.nr; i++)
1048                                printf("    %s\n", states.heads.items[i].string);
1049                }
1050
1051                /* remote branch info */
1052                info.width = 0;
1053                for_each_string_list(add_remote_to_show_info, &states.new, &info);
1054                for_each_string_list(add_remote_to_show_info, &states.tracked, &info);
1055                for_each_string_list(add_remote_to_show_info, &states.stale, &info);
1056                if (info.list->nr)
1057                        printf("  Remote branch%s:%s\n",
1058                               info.list->nr > 1 ? "es" : "",
1059                                no_query ? " (status not queried)" : "");
1060                for_each_string_list(show_remote_info_item, info.list, &info);
1061                string_list_clear(info.list, 0);
1062
1063                /* git pull info */
1064                info.width = 0;
1065                info.any_rebase = 0;
1066                for_each_string_list(add_local_to_show_info, &branch_list, &info);
1067                if (info.list->nr)
1068                        printf("  Local branch%s configured for 'git pull':\n",
1069                               info.list->nr > 1 ? "es" : "");
1070                for_each_string_list(show_local_info_item, info.list, &info);
1071                string_list_clear(info.list, 0);
1072
1073                /* git push info */
1074                if (states.remote->mirror)
1075                        printf("  Local refs will be mirrored by 'git push'\n");
1076
1077                info.width = info.width2 = 0;
1078                for_each_string_list(add_push_to_show_info, &states.push, &info);
1079                qsort(info.list->items, info.list->nr,
1080                        sizeof(*info.list->items), cmp_string_with_push);
1081                if (info.list->nr)
1082                        printf("  Local ref%s configured for 'git push'%s:\n",
1083                                info.list->nr > 1 ? "s" : "",
1084                                no_query ? " (status not queried)" : "");
1085                for_each_string_list(show_push_info_item, info.list, &info);
1086                string_list_clear(info.list, 0);
1087
1088                free_remote_ref_states(&states);
1089        }
1090
1091        return result;
1092}
1093
1094static int set_head(int argc, const char **argv)
1095{
1096        int i, opt_a = 0, opt_d = 0, result = 0;
1097        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1098        char *head_name = NULL;
1099
1100        struct option options[] = {
1101                OPT_BOOLEAN('a', "auto", &opt_a,
1102                            "set refs/remotes/<name>/HEAD according to remote"),
1103                OPT_BOOLEAN('d', "delete", &opt_d,
1104                            "delete refs/remotes/<name>/HEAD"),
1105                OPT_END()
1106        };
1107        argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
1108                             0);
1109        if (argc)
1110                strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1111
1112        if (!opt_a && !opt_d && argc == 2) {
1113                head_name = xstrdup(argv[1]);
1114        } else if (opt_a && !opt_d && argc == 1) {
1115                struct ref_states states;
1116                memset(&states, 0, sizeof(states));
1117                get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1118                if (!states.heads.nr)
1119                        result |= error("Cannot determine remote HEAD");
1120                else if (states.heads.nr > 1) {
1121                        result |= error("Multiple remote HEAD branches. "
1122                                        "Please choose one explicitly with:");
1123                        for (i = 0; i < states.heads.nr; i++)
1124                                fprintf(stderr, "  git remote set-head %s %s\n",
1125                                        argv[0], states.heads.items[i].string);
1126                } else
1127                        head_name = xstrdup(states.heads.items[0].string);
1128                free_remote_ref_states(&states);
1129        } else if (opt_d && !opt_a && argc == 1) {
1130                if (delete_ref(buf.buf, NULL, REF_NODEREF))
1131                        result |= error("Could not delete %s", buf.buf);
1132        } else
1133                usage_with_options(builtin_remote_sethead_usage, options);
1134
1135        if (head_name) {
1136                unsigned char sha1[20];
1137                strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1138                /* make sure it's valid */
1139                if (!resolve_ref(buf2.buf, sha1, 1, NULL))
1140                        result |= error("Not a valid ref: %s", buf2.buf);
1141                else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1142                        result |= error("Could not setup %s", buf.buf);
1143                if (opt_a)
1144                        printf("%s/HEAD set to %s\n", argv[0], head_name);
1145                free(head_name);
1146        }
1147
1148        strbuf_release(&buf);
1149        strbuf_release(&buf2);
1150        return result;
1151}
1152
1153static int prune(int argc, const char **argv)
1154{
1155        int dry_run = 0, result = 0;
1156        struct option options[] = {
1157                OPT__DRY_RUN(&dry_run),
1158                OPT_END()
1159        };
1160
1161        argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
1162                             0);
1163
1164        if (argc < 1)
1165                usage_with_options(builtin_remote_prune_usage, options);
1166
1167        for (; argc; argc--, argv++)
1168                result |= prune_remote(*argv, dry_run);
1169
1170        return result;
1171}
1172
1173static int prune_remote(const char *remote, int dry_run)
1174{
1175        int result = 0, i;
1176        struct ref_states states;
1177        const char *dangling_msg = dry_run
1178                ? " %s will become dangling!\n"
1179                : " %s has become dangling!\n";
1180
1181        memset(&states, 0, sizeof(states));
1182        get_remote_ref_states(remote, &states, GET_REF_STATES);
1183
1184        if (states.stale.nr) {
1185                printf("Pruning %s\n", remote);
1186                printf("URL: %s\n",
1187                       states.remote->url_nr
1188                       ? states.remote->url[0]
1189                       : "(no URL)");
1190        }
1191
1192        for (i = 0; i < states.stale.nr; i++) {
1193                const char *refname = states.stale.items[i].util;
1194
1195                if (!dry_run)
1196                        result |= delete_ref(refname, NULL, 0);
1197
1198                printf(" * [%s] %s\n", dry_run ? "would prune" : "pruned",
1199                       abbrev_ref(refname, "refs/remotes/"));
1200                warn_dangling_symref(stdout, dangling_msg, refname);
1201        }
1202
1203        free_remote_ref_states(&states);
1204        return result;
1205}
1206
1207static int get_remote_default(const char *key, const char *value, void *priv)
1208{
1209        if (strcmp(key, "remotes.default") == 0) {
1210                int *found = priv;
1211                *found = 1;
1212        }
1213        return 0;
1214}
1215
1216static int update(int argc, const char **argv)
1217{
1218        int i, prune = 0;
1219        struct option options[] = {
1220                OPT_BOOLEAN('p', "prune", &prune,
1221                            "prune remotes after fetching"),
1222                OPT_END()
1223        };
1224        const char **fetch_argv;
1225        int fetch_argc = 0;
1226        int default_defined = 0;
1227
1228        fetch_argv = xmalloc(sizeof(char *) * (argc+5));
1229
1230        argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1231                             PARSE_OPT_KEEP_ARGV0);
1232
1233        fetch_argv[fetch_argc++] = "fetch";
1234
1235        if (prune)
1236                fetch_argv[fetch_argc++] = "--prune";
1237        if (verbose)
1238                fetch_argv[fetch_argc++] = "-v";
1239        if (argc < 2) {
1240                fetch_argv[fetch_argc++] = "default";
1241        } else {
1242                fetch_argv[fetch_argc++] = "--multiple";
1243                for (i = 1; i < argc; i++)
1244                        fetch_argv[fetch_argc++] = argv[i];
1245        }
1246
1247        if (strcmp(fetch_argv[fetch_argc-1], "default") == 0) {
1248                git_config(get_remote_default, &default_defined);
1249                if (!default_defined)
1250                        fetch_argv[fetch_argc-1] = "--all";
1251        }
1252
1253        fetch_argv[fetch_argc] = NULL;
1254
1255        return run_command_v_opt(fetch_argv, RUN_GIT_CMD);
1256}
1257
1258static int get_one_entry(struct remote *remote, void *priv)
1259{
1260        struct string_list *list = priv;
1261        struct strbuf url_buf = STRBUF_INIT;
1262        const char **url;
1263        int i, url_nr;
1264
1265        if (remote->url_nr > 0) {
1266                strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
1267                string_list_append(remote->name, list)->util =
1268                                strbuf_detach(&url_buf, NULL);
1269        } else
1270                string_list_append(remote->name, list)->util = NULL;
1271        if (remote->pushurl_nr) {
1272                url = remote->pushurl;
1273                url_nr = remote->pushurl_nr;
1274        } else {
1275                url = remote->url;
1276                url_nr = remote->url_nr;
1277        }
1278        for (i = 0; i < url_nr; i++)
1279        {
1280                strbuf_addf(&url_buf, "%s (push)", url[i]);
1281                string_list_append(remote->name, list)->util =
1282                                strbuf_detach(&url_buf, NULL);
1283        }
1284
1285        return 0;
1286}
1287
1288static int show_all(void)
1289{
1290        struct string_list list = { NULL, 0, 0 };
1291        int result;
1292
1293        list.strdup_strings = 1;
1294        result = for_each_remote(get_one_entry, &list);
1295
1296        if (!result) {
1297                int i;
1298
1299                sort_string_list(&list);
1300                for (i = 0; i < list.nr; i++) {
1301                        struct string_list_item *item = list.items + i;
1302                        if (verbose)
1303                                printf("%s\t%s\n", item->string,
1304                                        item->util ? (const char *)item->util : "");
1305                        else {
1306                                if (i && !strcmp((item - 1)->string, item->string))
1307                                        continue;
1308                                printf("%s\n", item->string);
1309                        }
1310                }
1311        }
1312        string_list_clear(&list, 1);
1313        return result;
1314}
1315
1316int cmd_remote(int argc, const char **argv, const char *prefix)
1317{
1318        struct option options[] = {
1319                OPT_BOOLEAN('v', "verbose", &verbose, "be verbose; must be placed before a subcommand"),
1320                OPT_END()
1321        };
1322        int result;
1323
1324        argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1325                PARSE_OPT_STOP_AT_NON_OPTION);
1326
1327        if (argc < 1)
1328                result = show_all();
1329        else if (!strcmp(argv[0], "add"))
1330                result = add(argc, argv);
1331        else if (!strcmp(argv[0], "rename"))
1332                result = mv(argc, argv);
1333        else if (!strcmp(argv[0], "rm"))
1334                result = rm(argc, argv);
1335        else if (!strcmp(argv[0], "set-head"))
1336                result = set_head(argc, argv);
1337        else if (!strcmp(argv[0], "show"))
1338                result = show(argc, argv);
1339        else if (!strcmp(argv[0], "prune"))
1340                result = prune(argc, argv);
1341        else if (!strcmp(argv[0], "update"))
1342                result = update(argc, argv);
1343        else {
1344                error("Unknown subcommand: %s", argv[0]);
1345                usage_with_options(builtin_remote_usage, options);
1346        }
1347
1348        return result ? 1 : 0;
1349}