Andrew's git / gitweb.git / builtin-remote.c
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builtin-remote.con commit send-pack: avoid deadlock on git:// push with failed pack-objects (a1a3fd1)
   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 = 1;
 276        states->tracked.strdup_strings = 1;
 277        states->stale.strdup_strings = 1;
 278        for (ref = fetch_map; ref; ref = ref->next) {
 279                unsigned char sha1[20];
 280                if (!ref->peer_ref || read_ref(ref->peer_ref->name, sha1))
 281                        string_list_append(abbrev_branch(ref->name), &states->new);
 282                else
 283                        string_list_append(abbrev_branch(ref->name), &states->tracked);
 284        }
 285        stale_refs = get_stale_heads(states->remote, fetch_map);
 286        for (ref = stale_refs; ref; ref = ref->next) {
 287                struct string_list_item *item =
 288                        string_list_append(abbrev_branch(ref->name), &states->stale);
 289                item->util = xstrdup(ref->name);
 290        }
 291        free_refs(stale_refs);
 292        free_refs(fetch_map);
 293
 294        sort_string_list(&states->new);
 295        sort_string_list(&states->tracked);
 296        sort_string_list(&states->stale);
 297
 298        return 0;
 299}
 300
 301struct push_info {
 302        char *dest;
 303        int forced;
 304        enum {
 305                PUSH_STATUS_CREATE = 0,
 306                PUSH_STATUS_DELETE,
 307                PUSH_STATUS_UPTODATE,
 308                PUSH_STATUS_FASTFORWARD,
 309                PUSH_STATUS_OUTOFDATE,
 310                PUSH_STATUS_NOTQUERIED,
 311        } status;
 312};
 313
 314static int get_push_ref_states(const struct ref *remote_refs,
 315        struct ref_states *states)
 316{
 317        struct remote *remote = states->remote;
 318        struct ref *ref, *local_refs, *push_map;
 319        if (remote->mirror)
 320                return 0;
 321
 322        local_refs = get_local_heads();
 323        push_map = copy_ref_list(remote_refs);
 324
 325        match_refs(local_refs, &push_map, remote->push_refspec_nr,
 326                   remote->push_refspec, MATCH_REFS_NONE);
 327
 328        states->push.strdup_strings = 1;
 329        for (ref = push_map; ref; ref = ref->next) {
 330                struct string_list_item *item;
 331                struct push_info *info;
 332
 333                if (!ref->peer_ref)
 334                        continue;
 335                hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
 336
 337                item = string_list_append(abbrev_branch(ref->peer_ref->name),
 338                                          &states->push);
 339                item->util = xcalloc(sizeof(struct push_info), 1);
 340                info = item->util;
 341                info->forced = ref->force;
 342                info->dest = xstrdup(abbrev_branch(ref->name));
 343
 344                if (is_null_sha1(ref->new_sha1)) {
 345                        info->status = PUSH_STATUS_DELETE;
 346                } else if (!hashcmp(ref->old_sha1, ref->new_sha1))
 347                        info->status = PUSH_STATUS_UPTODATE;
 348                else if (is_null_sha1(ref->old_sha1))
 349                        info->status = PUSH_STATUS_CREATE;
 350                else if (has_sha1_file(ref->old_sha1) &&
 351                         ref_newer(ref->new_sha1, ref->old_sha1))
 352                        info->status = PUSH_STATUS_FASTFORWARD;
 353                else
 354                        info->status = PUSH_STATUS_OUTOFDATE;
 355        }
 356        free_refs(local_refs);
 357        free_refs(push_map);
 358        return 0;
 359}
 360
 361static int get_push_ref_states_noquery(struct ref_states *states)
 362{
 363        int i;
 364        struct remote *remote = states->remote;
 365        struct string_list_item *item;
 366        struct push_info *info;
 367
 368        if (remote->mirror)
 369                return 0;
 370
 371        states->push.strdup_strings = 1;
 372        if (!remote->push_refspec_nr) {
 373                item = string_list_append("(matching)", &states->push);
 374                info = item->util = xcalloc(sizeof(struct push_info), 1);
 375                info->status = PUSH_STATUS_NOTQUERIED;
 376                info->dest = xstrdup(item->string);
 377        }
 378        for (i = 0; i < remote->push_refspec_nr; i++) {
 379                struct refspec *spec = remote->push + i;
 380                if (spec->matching)
 381                        item = string_list_append("(matching)", &states->push);
 382                else if (strlen(spec->src))
 383                        item = string_list_append(spec->src, &states->push);
 384                else
 385                        item = string_list_append("(delete)", &states->push);
 386
 387                info = item->util = xcalloc(sizeof(struct push_info), 1);
 388                info->forced = spec->force;
 389                info->status = PUSH_STATUS_NOTQUERIED;
 390                info->dest = xstrdup(spec->dst ? spec->dst : item->string);
 391        }
 392        return 0;
 393}
 394
 395static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
 396{
 397        struct ref *ref, *matches;
 398        struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
 399        struct refspec refspec;
 400
 401        refspec.force = 0;
 402        refspec.pattern = 1;
 403        refspec.src = refspec.dst = "refs/heads/*";
 404        states->heads.strdup_strings = 1;
 405        get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
 406        matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
 407                                    fetch_map, 1);
 408        for (ref = matches; ref; ref = ref->next)
 409                string_list_append(abbrev_branch(ref->name), &states->heads);
 410
 411        free_refs(fetch_map);
 412        free_refs(matches);
 413
 414        return 0;
 415}
 416
 417struct known_remote {
 418        struct known_remote *next;
 419        struct remote *remote;
 420};
 421
 422struct known_remotes {
 423        struct remote *to_delete;
 424        struct known_remote *list;
 425};
 426
 427static int add_known_remote(struct remote *remote, void *cb_data)
 428{
 429        struct known_remotes *all = cb_data;
 430        struct known_remote *r;
 431
 432        if (!strcmp(all->to_delete->name, remote->name))
 433                return 0;
 434
 435        r = xmalloc(sizeof(*r));
 436        r->remote = remote;
 437        r->next = all->list;
 438        all->list = r;
 439        return 0;
 440}
 441
 442struct branches_for_remote {
 443        struct remote *remote;
 444        struct string_list *branches, *skipped;
 445        struct known_remotes *keep;
 446};
 447
 448static int add_branch_for_removal(const char *refname,
 449        const unsigned char *sha1, int flags, void *cb_data)
 450{
 451        struct branches_for_remote *branches = cb_data;
 452        struct refspec refspec;
 453        struct string_list_item *item;
 454        struct known_remote *kr;
 455
 456        memset(&refspec, 0, sizeof(refspec));
 457        refspec.dst = (char *)refname;
 458        if (remote_find_tracking(branches->remote, &refspec))
 459                return 0;
 460
 461        /* don't delete a branch if another remote also uses it */
 462        for (kr = branches->keep->list; kr; kr = kr->next) {
 463                memset(&refspec, 0, sizeof(refspec));
 464                refspec.dst = (char *)refname;
 465                if (!remote_find_tracking(kr->remote, &refspec))
 466                        return 0;
 467        }
 468
 469        /* don't delete non-remote refs */
 470        if (prefixcmp(refname, "refs/remotes")) {
 471                /* advise user how to delete local branches */
 472                if (!prefixcmp(refname, "refs/heads/"))
 473                        string_list_append(abbrev_branch(refname),
 474                                           branches->skipped);
 475                /* silently skip over other non-remote refs */
 476                return 0;
 477        }
 478
 479        /* make sure that symrefs are deleted */
 480        if (flags & REF_ISSYMREF)
 481                return unlink(git_path("%s", refname));
 482
 483        item = string_list_append(refname, branches->branches);
 484        item->util = xmalloc(20);
 485        hashcpy(item->util, sha1);
 486
 487        return 0;
 488}
 489
 490struct rename_info {
 491        const char *old;
 492        const char *new;
 493        struct string_list *remote_branches;
 494};
 495
 496static int read_remote_branches(const char *refname,
 497        const unsigned char *sha1, int flags, void *cb_data)
 498{
 499        struct rename_info *rename = cb_data;
 500        struct strbuf buf = STRBUF_INIT;
 501        struct string_list_item *item;
 502        int flag;
 503        unsigned char orig_sha1[20];
 504        const char *symref;
 505
 506        strbuf_addf(&buf, "refs/remotes/%s", rename->old);
 507        if (!prefixcmp(refname, buf.buf)) {
 508                item = string_list_append(xstrdup(refname), rename->remote_branches);
 509                symref = resolve_ref(refname, orig_sha1, 1, &flag);
 510                if (flag & REF_ISSYMREF)
 511                        item->util = xstrdup(symref);
 512                else
 513                        item->util = NULL;
 514        }
 515
 516        return 0;
 517}
 518
 519static int migrate_file(struct remote *remote)
 520{
 521        struct strbuf buf = STRBUF_INIT;
 522        int i;
 523        char *path = NULL;
 524
 525        strbuf_addf(&buf, "remote.%s.url", remote->name);
 526        for (i = 0; i < remote->url_nr; i++)
 527                if (git_config_set_multivar(buf.buf, remote->url[i], "^$", 0))
 528                        return error("Could not append '%s' to '%s'",
 529                                        remote->url[i], buf.buf);
 530        strbuf_reset(&buf);
 531        strbuf_addf(&buf, "remote.%s.push", remote->name);
 532        for (i = 0; i < remote->push_refspec_nr; i++)
 533                if (git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0))
 534                        return error("Could not append '%s' to '%s'",
 535                                        remote->push_refspec[i], buf.buf);
 536        strbuf_reset(&buf);
 537        strbuf_addf(&buf, "remote.%s.fetch", remote->name);
 538        for (i = 0; i < remote->fetch_refspec_nr; i++)
 539                if (git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0))
 540                        return error("Could not append '%s' to '%s'",
 541                                        remote->fetch_refspec[i], buf.buf);
 542        if (remote->origin == REMOTE_REMOTES)
 543                path = git_path("remotes/%s", remote->name);
 544        else if (remote->origin == REMOTE_BRANCHES)
 545                path = git_path("branches/%s", remote->name);
 546        if (path)
 547                unlink_or_warn(path);
 548        return 0;
 549}
 550
 551static int mv(int argc, const char **argv)
 552{
 553        struct option options[] = {
 554                OPT_END()
 555        };
 556        struct remote *oldremote, *newremote;
 557        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT;
 558        struct string_list remote_branches = { NULL, 0, 0, 0 };
 559        struct rename_info rename;
 560        int i;
 561
 562        if (argc != 3)
 563                usage_with_options(builtin_remote_rename_usage, options);
 564
 565        rename.old = argv[1];
 566        rename.new = argv[2];
 567        rename.remote_branches = &remote_branches;
 568
 569        oldremote = remote_get(rename.old);
 570        if (!oldremote)
 571                die("No such remote: %s", rename.old);
 572
 573        if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
 574                return migrate_file(oldremote);
 575
 576        newremote = remote_get(rename.new);
 577        if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
 578                die("remote %s already exists.", rename.new);
 579
 580        strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
 581        if (!valid_fetch_refspec(buf.buf))
 582                die("'%s' is not a valid remote name", rename.new);
 583
 584        strbuf_reset(&buf);
 585        strbuf_addf(&buf, "remote.%s", rename.old);
 586        strbuf_addf(&buf2, "remote.%s", rename.new);
 587        if (git_config_rename_section(buf.buf, buf2.buf) < 1)
 588                return error("Could not rename config section '%s' to '%s'",
 589                                buf.buf, buf2.buf);
 590
 591        strbuf_reset(&buf);
 592        strbuf_addf(&buf, "remote.%s.fetch", rename.new);
 593        if (git_config_set_multivar(buf.buf, NULL, NULL, 1))
 594                return error("Could not remove config section '%s'", buf.buf);
 595        for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
 596                char *ptr;
 597
 598                strbuf_reset(&buf2);
 599                strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
 600                ptr = strstr(buf2.buf, rename.old);
 601                if (ptr)
 602                        strbuf_splice(&buf2, ptr-buf2.buf, strlen(rename.old),
 603                                        rename.new, strlen(rename.new));
 604                if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
 605                        return error("Could not append '%s'", buf.buf);
 606        }
 607
 608        read_branches();
 609        for (i = 0; i < branch_list.nr; i++) {
 610                struct string_list_item *item = branch_list.items + i;
 611                struct branch_info *info = item->util;
 612                if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
 613                        strbuf_reset(&buf);
 614                        strbuf_addf(&buf, "branch.%s.remote", item->string);
 615                        if (git_config_set(buf.buf, rename.new)) {
 616                                return error("Could not set '%s'", buf.buf);
 617                        }
 618                }
 619        }
 620
 621        /*
 622         * First remove symrefs, then rename the rest, finally create
 623         * the new symrefs.
 624         */
 625        for_each_ref(read_remote_branches, &rename);
 626        for (i = 0; i < remote_branches.nr; i++) {
 627                struct string_list_item *item = remote_branches.items + i;
 628                int flag = 0;
 629                unsigned char sha1[20];
 630
 631                resolve_ref(item->string, sha1, 1, &flag);
 632                if (!(flag & REF_ISSYMREF))
 633                        continue;
 634                if (delete_ref(item->string, NULL, REF_NODEREF))
 635                        die("deleting '%s' failed", item->string);
 636        }
 637        for (i = 0; i < remote_branches.nr; i++) {
 638                struct string_list_item *item = remote_branches.items + i;
 639
 640                if (item->util)
 641                        continue;
 642                strbuf_reset(&buf);
 643                strbuf_addstr(&buf, item->string);
 644                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 645                                rename.new, strlen(rename.new));
 646                strbuf_reset(&buf2);
 647                strbuf_addf(&buf2, "remote: renamed %s to %s",
 648                                item->string, buf.buf);
 649                if (rename_ref(item->string, buf.buf, buf2.buf))
 650                        die("renaming '%s' failed", item->string);
 651        }
 652        for (i = 0; i < remote_branches.nr; i++) {
 653                struct string_list_item *item = remote_branches.items + i;
 654
 655                if (!item->util)
 656                        continue;
 657                strbuf_reset(&buf);
 658                strbuf_addstr(&buf, item->string);
 659                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 660                                rename.new, strlen(rename.new));
 661                strbuf_reset(&buf2);
 662                strbuf_addstr(&buf2, item->util);
 663                strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
 664                                rename.new, strlen(rename.new));
 665                strbuf_reset(&buf3);
 666                strbuf_addf(&buf3, "remote: renamed %s to %s",
 667                                item->string, buf.buf);
 668                if (create_symref(buf.buf, buf2.buf, buf3.buf))
 669                        die("creating '%s' failed", buf.buf);
 670        }
 671        return 0;
 672}
 673
 674static int remove_branches(struct string_list *branches)
 675{
 676        int i, result = 0;
 677        for (i = 0; i < branches->nr; i++) {
 678                struct string_list_item *item = branches->items + i;
 679                const char *refname = item->string;
 680                unsigned char *sha1 = item->util;
 681
 682                if (delete_ref(refname, sha1, 0))
 683                        result |= error("Could not remove branch %s", refname);
 684        }
 685        return result;
 686}
 687
 688static int rm(int argc, const char **argv)
 689{
 690        struct option options[] = {
 691                OPT_END()
 692        };
 693        struct remote *remote;
 694        struct strbuf buf = STRBUF_INIT;
 695        struct known_remotes known_remotes = { NULL, NULL };
 696        struct string_list branches = { NULL, 0, 0, 1 };
 697        struct string_list skipped = { NULL, 0, 0, 1 };
 698        struct branches_for_remote cb_data = {
 699                NULL, &branches, &skipped, &known_remotes
 700        };
 701        int i, result;
 702
 703        if (argc != 2)
 704                usage_with_options(builtin_remote_rm_usage, options);
 705
 706        remote = remote_get(argv[1]);
 707        if (!remote)
 708                die("No such remote: %s", argv[1]);
 709
 710        known_remotes.to_delete = remote;
 711        for_each_remote(add_known_remote, &known_remotes);
 712
 713        strbuf_addf(&buf, "remote.%s", remote->name);
 714        if (git_config_rename_section(buf.buf, NULL) < 1)
 715                return error("Could not remove config section '%s'", buf.buf);
 716
 717        read_branches();
 718        for (i = 0; i < branch_list.nr; i++) {
 719                struct string_list_item *item = branch_list.items + i;
 720                struct branch_info *info = item->util;
 721                if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
 722                        const char *keys[] = { "remote", "merge", NULL }, **k;
 723                        for (k = keys; *k; k++) {
 724                                strbuf_reset(&buf);
 725                                strbuf_addf(&buf, "branch.%s.%s",
 726                                                item->string, *k);
 727                                if (git_config_set(buf.buf, NULL)) {
 728                                        strbuf_release(&buf);
 729                                        return -1;
 730                                }
 731                        }
 732                }
 733        }
 734
 735        /*
 736         * We cannot just pass a function to for_each_ref() which deletes
 737         * the branches one by one, since for_each_ref() relies on cached
 738         * refs, which are invalidated when deleting a branch.
 739         */
 740        cb_data.remote = remote;
 741        result = for_each_ref(add_branch_for_removal, &cb_data);
 742        strbuf_release(&buf);
 743
 744        if (!result)
 745                result = remove_branches(&branches);
 746        string_list_clear(&branches, 1);
 747
 748        if (skipped.nr) {
 749                fprintf(stderr, skipped.nr == 1 ?
 750                        "Note: A non-remote branch was not removed; "
 751                        "to delete it, use:\n" :
 752                        "Note: Non-remote branches were not removed; "
 753                        "to delete them, use:\n");
 754                for (i = 0; i < skipped.nr; i++)
 755                        fprintf(stderr, "  git branch -d %s\n",
 756                                skipped.items[i].string);
 757        }
 758        string_list_clear(&skipped, 0);
 759
 760        return result;
 761}
 762
 763static void clear_push_info(void *util, const char *string)
 764{
 765        struct push_info *info = util;
 766        free(info->dest);
 767        free(info);
 768}
 769
 770static void free_remote_ref_states(struct ref_states *states)
 771{
 772        string_list_clear(&states->new, 0);
 773        string_list_clear(&states->stale, 1);
 774        string_list_clear(&states->tracked, 0);
 775        string_list_clear(&states->heads, 0);
 776        string_list_clear_func(&states->push, clear_push_info);
 777}
 778
 779static int append_ref_to_tracked_list(const char *refname,
 780        const unsigned char *sha1, int flags, void *cb_data)
 781{
 782        struct ref_states *states = cb_data;
 783        struct refspec refspec;
 784
 785        if (flags & REF_ISSYMREF)
 786                return 0;
 787
 788        memset(&refspec, 0, sizeof(refspec));
 789        refspec.dst = (char *)refname;
 790        if (!remote_find_tracking(states->remote, &refspec))
 791                string_list_append(abbrev_branch(refspec.src), &states->tracked);
 792
 793        return 0;
 794}
 795
 796static int get_remote_ref_states(const char *name,
 797                                 struct ref_states *states,
 798                                 int query)
 799{
 800        struct transport *transport;
 801        const struct ref *remote_refs;
 802
 803        states->remote = remote_get(name);
 804        if (!states->remote)
 805                return error("No such remote: %s", name);
 806
 807        read_branches();
 808
 809        if (query) {
 810                transport = transport_get(states->remote, states->remote->url_nr > 0 ?
 811                        states->remote->url[0] : NULL);
 812                remote_refs = transport_get_remote_refs(transport);
 813                transport_disconnect(transport);
 814
 815                states->queried = 1;
 816                if (query & GET_REF_STATES)
 817                        get_ref_states(remote_refs, states);
 818                if (query & GET_HEAD_NAMES)
 819                        get_head_names(remote_refs, states);
 820                if (query & GET_PUSH_REF_STATES)
 821                        get_push_ref_states(remote_refs, states);
 822        } else {
 823                for_each_ref(append_ref_to_tracked_list, states);
 824                sort_string_list(&states->tracked);
 825                get_push_ref_states_noquery(states);
 826        }
 827
 828        return 0;
 829}
 830
 831struct show_info {
 832        struct string_list *list;
 833        struct ref_states *states;
 834        int width, width2;
 835        int any_rebase;
 836};
 837
 838static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
 839{
 840        struct show_info *info = cb_data;
 841        int n = strlen(item->string);
 842        if (n > info->width)
 843                info->width = n;
 844        string_list_insert(item->string, info->list);
 845        return 0;
 846}
 847
 848static int show_remote_info_item(struct string_list_item *item, void *cb_data)
 849{
 850        struct show_info *info = cb_data;
 851        struct ref_states *states = info->states;
 852        const char *name = item->string;
 853
 854        if (states->queried) {
 855                const char *fmt = "%s";
 856                const char *arg = "";
 857                if (string_list_has_string(&states->new, name)) {
 858                        fmt = " new (next fetch will store in remotes/%s)";
 859                        arg = states->remote->name;
 860                } else if (string_list_has_string(&states->tracked, name))
 861                        arg = " tracked";
 862                else if (string_list_has_string(&states->stale, name))
 863                        arg = " stale (use 'git remote prune' to remove)";
 864                else
 865                        arg = " ???";
 866                printf("    %-*s", info->width, name);
 867                printf(fmt, arg);
 868                printf("\n");
 869        } else
 870                printf("    %s\n", name);
 871
 872        return 0;
 873}
 874
 875static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
 876{
 877        struct show_info *show_info = cb_data;
 878        struct ref_states *states = show_info->states;
 879        struct branch_info *branch_info = branch_item->util;
 880        struct string_list_item *item;
 881        int n;
 882
 883        if (!branch_info->merge.nr || !branch_info->remote_name ||
 884            strcmp(states->remote->name, branch_info->remote_name))
 885                return 0;
 886        if ((n = strlen(branch_item->string)) > show_info->width)
 887                show_info->width = n;
 888        if (branch_info->rebase)
 889                show_info->any_rebase = 1;
 890
 891        item = string_list_insert(branch_item->string, show_info->list);
 892        item->util = branch_info;
 893
 894        return 0;
 895}
 896
 897static int show_local_info_item(struct string_list_item *item, void *cb_data)
 898{
 899        struct show_info *show_info = cb_data;
 900        struct branch_info *branch_info = item->util;
 901        struct string_list *merge = &branch_info->merge;
 902        const char *also;
 903        int i;
 904
 905        if (branch_info->rebase && branch_info->merge.nr > 1) {
 906                error("invalid branch.%s.merge; cannot rebase onto > 1 branch",
 907                        item->string);
 908                return 0;
 909        }
 910
 911        printf("    %-*s ", show_info->width, item->string);
 912        if (branch_info->rebase) {
 913                printf("rebases onto remote %s\n", merge->items[0].string);
 914                return 0;
 915        } else if (show_info->any_rebase) {
 916                printf(" merges with remote %s\n", merge->items[0].string);
 917                also = "    and with remote";
 918        } else {
 919                printf("merges with remote %s\n", merge->items[0].string);
 920                also = "   and with remote";
 921        }
 922        for (i = 1; i < merge->nr; i++)
 923                printf("    %-*s %s %s\n", show_info->width, "", also,
 924                       merge->items[i].string);
 925
 926        return 0;
 927}
 928
 929static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
 930{
 931        struct show_info *show_info = cb_data;
 932        struct push_info *push_info = push_item->util;
 933        struct string_list_item *item;
 934        int n;
 935        if ((n = strlen(push_item->string)) > show_info->width)
 936                show_info->width = n;
 937        if ((n = strlen(push_info->dest)) > show_info->width2)
 938                show_info->width2 = n;
 939        item = string_list_append(push_item->string, show_info->list);
 940        item->util = push_item->util;
 941        return 0;
 942}
 943
 944/*
 945 * Sorting comparison for a string list that has push_info
 946 * structs in its util field
 947 */
 948static int cmp_string_with_push(const void *va, const void *vb)
 949{
 950        const struct string_list_item *a = va;
 951        const struct string_list_item *b = vb;
 952        const struct push_info *a_push = a->util;
 953        const struct push_info *b_push = b->util;
 954        int cmp = strcmp(a->string, b->string);
 955        return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
 956}
 957
 958static int show_push_info_item(struct string_list_item *item, void *cb_data)
 959{
 960        struct show_info *show_info = cb_data;
 961        struct push_info *push_info = item->util;
 962        char *src = item->string, *status = NULL;
 963
 964        switch (push_info->status) {
 965        case PUSH_STATUS_CREATE:
 966                status = "create";
 967                break;
 968        case PUSH_STATUS_DELETE:
 969                status = "delete";
 970                src = "(none)";
 971                break;
 972        case PUSH_STATUS_UPTODATE:
 973                status = "up to date";
 974                break;
 975        case PUSH_STATUS_FASTFORWARD:
 976                status = "fast-forwardable";
 977                break;
 978        case PUSH_STATUS_OUTOFDATE:
 979                status = "local out of date";
 980                break;
 981        case PUSH_STATUS_NOTQUERIED:
 982                break;
 983        }
 984        if (status)
 985                printf("    %-*s %s to %-*s (%s)\n", show_info->width, src,
 986                        push_info->forced ? "forces" : "pushes",
 987                        show_info->width2, push_info->dest, status);
 988        else
 989                printf("    %-*s %s to %s\n", show_info->width, src,
 990                        push_info->forced ? "forces" : "pushes",
 991                        push_info->dest);
 992        return 0;
 993}
 994
 995static int show(int argc, const char **argv)
 996{
 997        int no_query = 0, result = 0, query_flag = 0;
 998        struct option options[] = {
 999                OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
1000                OPT_END()
1001        };
1002        struct ref_states states;
1003        struct string_list info_list = { NULL, 0, 0, 0 };
1004        struct show_info info;
1005
1006        argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
1007                             0);
1008
1009        if (argc < 1)
1010                return show_all();
1011
1012        if (!no_query)
1013                query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
1014
1015        memset(&states, 0, sizeof(states));
1016        memset(&info, 0, sizeof(info));
1017        info.states = &states;
1018        info.list = &info_list;
1019        for (; argc; argc--, argv++) {
1020                int i;
1021                const char **url;
1022                int url_nr;
1023
1024                get_remote_ref_states(*argv, &states, query_flag);
1025
1026                printf("* remote %s\n", *argv);
1027                printf("  Fetch URL: %s\n", states.remote->url_nr > 0 ?
1028                        states.remote->url[0] : "(no URL)");
1029                if (states.remote->pushurl_nr) {
1030                        url = states.remote->pushurl;
1031                        url_nr = states.remote->pushurl_nr;
1032                } else {
1033                        url = states.remote->url;
1034                        url_nr = states.remote->url_nr;
1035                }
1036                for (i=0; i < url_nr; i++)
1037                        printf("  Push  URL: %s\n", url[i]);
1038                if (!i)
1039                        printf("  Push  URL: %s\n", "(no URL)");
1040                if (no_query)
1041                        printf("  HEAD branch: (not queried)\n");
1042                else if (!states.heads.nr)
1043                        printf("  HEAD branch: (unknown)\n");
1044                else if (states.heads.nr == 1)
1045                        printf("  HEAD branch: %s\n", states.heads.items[0].string);
1046                else {
1047                        printf("  HEAD branch (remote HEAD is ambiguous,"
1048                               " may be one of the following):\n");
1049                        for (i = 0; i < states.heads.nr; i++)
1050                                printf("    %s\n", states.heads.items[i].string);
1051                }
1052
1053                /* remote branch info */
1054                info.width = 0;
1055                for_each_string_list(add_remote_to_show_info, &states.new, &info);
1056                for_each_string_list(add_remote_to_show_info, &states.tracked, &info);
1057                for_each_string_list(add_remote_to_show_info, &states.stale, &info);
1058                if (info.list->nr)
1059                        printf("  Remote branch%s:%s\n",
1060                               info.list->nr > 1 ? "es" : "",
1061                                no_query ? " (status not queried)" : "");
1062                for_each_string_list(show_remote_info_item, info.list, &info);
1063                string_list_clear(info.list, 0);
1064
1065                /* git pull info */
1066                info.width = 0;
1067                info.any_rebase = 0;
1068                for_each_string_list(add_local_to_show_info, &branch_list, &info);
1069                if (info.list->nr)
1070                        printf("  Local branch%s configured for 'git pull':\n",
1071                               info.list->nr > 1 ? "es" : "");
1072                for_each_string_list(show_local_info_item, info.list, &info);
1073                string_list_clear(info.list, 0);
1074
1075                /* git push info */
1076                if (states.remote->mirror)
1077                        printf("  Local refs will be mirrored by 'git push'\n");
1078
1079                info.width = info.width2 = 0;
1080                for_each_string_list(add_push_to_show_info, &states.push, &info);
1081                qsort(info.list->items, info.list->nr,
1082                        sizeof(*info.list->items), cmp_string_with_push);
1083                if (info.list->nr)
1084                        printf("  Local ref%s configured for 'git push'%s:\n",
1085                                info.list->nr > 1 ? "s" : "",
1086                                no_query ? " (status not queried)" : "");
1087                for_each_string_list(show_push_info_item, info.list, &info);
1088                string_list_clear(info.list, 0);
1089
1090                free_remote_ref_states(&states);
1091        }
1092
1093        return result;
1094}
1095
1096static int set_head(int argc, const char **argv)
1097{
1098        int i, opt_a = 0, opt_d = 0, result = 0;
1099        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1100        char *head_name = NULL;
1101
1102        struct option options[] = {
1103                OPT_BOOLEAN('a', "auto", &opt_a,
1104                            "set refs/remotes/<name>/HEAD according to remote"),
1105                OPT_BOOLEAN('d', "delete", &opt_d,
1106                            "delete refs/remotes/<name>/HEAD"),
1107                OPT_END()
1108        };
1109        argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
1110                             0);
1111        if (argc)
1112                strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1113
1114        if (!opt_a && !opt_d && argc == 2) {
1115                head_name = xstrdup(argv[1]);
1116        } else if (opt_a && !opt_d && argc == 1) {
1117                struct ref_states states;
1118                memset(&states, 0, sizeof(states));
1119                get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1120                if (!states.heads.nr)
1121                        result |= error("Cannot determine remote HEAD");
1122                else if (states.heads.nr > 1) {
1123                        result |= error("Multiple remote HEAD branches. "
1124                                        "Please choose one explicitly with:");
1125                        for (i = 0; i < states.heads.nr; i++)
1126                                fprintf(stderr, "  git remote set-head %s %s\n",
1127                                        argv[0], states.heads.items[i].string);
1128                } else
1129                        head_name = xstrdup(states.heads.items[0].string);
1130                free_remote_ref_states(&states);
1131        } else if (opt_d && !opt_a && argc == 1) {
1132                if (delete_ref(buf.buf, NULL, REF_NODEREF))
1133                        result |= error("Could not delete %s", buf.buf);
1134        } else
1135                usage_with_options(builtin_remote_sethead_usage, options);
1136
1137        if (head_name) {
1138                unsigned char sha1[20];
1139                strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1140                /* make sure it's valid */
1141                if (!resolve_ref(buf2.buf, sha1, 1, NULL))
1142                        result |= error("Not a valid ref: %s", buf2.buf);
1143                else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1144                        result |= error("Could not setup %s", buf.buf);
1145                if (opt_a)
1146                        printf("%s/HEAD set to %s\n", argv[0], head_name);
1147                free(head_name);
1148        }
1149
1150        strbuf_release(&buf);
1151        strbuf_release(&buf2);
1152        return result;
1153}
1154
1155static int prune(int argc, const char **argv)
1156{
1157        int dry_run = 0, result = 0;
1158        struct option options[] = {
1159                OPT__DRY_RUN(&dry_run),
1160                OPT_END()
1161        };
1162
1163        argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
1164                             0);
1165
1166        if (argc < 1)
1167                usage_with_options(builtin_remote_prune_usage, options);
1168
1169        for (; argc; argc--, argv++)
1170                result |= prune_remote(*argv, dry_run);
1171
1172        return result;
1173}
1174
1175static int prune_remote(const char *remote, int dry_run)
1176{
1177        int result = 0, i;
1178        struct ref_states states;
1179        const char *dangling_msg = dry_run
1180                ? " %s will become dangling!\n"
1181                : " %s has become dangling!\n";
1182
1183        memset(&states, 0, sizeof(states));
1184        get_remote_ref_states(remote, &states, GET_REF_STATES);
1185
1186        if (states.stale.nr) {
1187                printf("Pruning %s\n", remote);
1188                printf("URL: %s\n",
1189                       states.remote->url_nr
1190                       ? states.remote->url[0]
1191                       : "(no URL)");
1192        }
1193
1194        for (i = 0; i < states.stale.nr; i++) {
1195                const char *refname = states.stale.items[i].util;
1196
1197                if (!dry_run)
1198                        result |= delete_ref(refname, NULL, 0);
1199
1200                printf(" * [%s] %s\n", dry_run ? "would prune" : "pruned",
1201                       abbrev_ref(refname, "refs/remotes/"));
1202                warn_dangling_symref(stdout, dangling_msg, refname);
1203        }
1204
1205        free_remote_ref_states(&states);
1206        return result;
1207}
1208
1209static int get_remote_default(const char *key, const char *value, void *priv)
1210{
1211        if (strcmp(key, "remotes.default") == 0) {
1212                int *found = priv;
1213                *found = 1;
1214        }
1215        return 0;
1216}
1217
1218static int update(int argc, const char **argv)
1219{
1220        int i, prune = 0;
1221        struct option options[] = {
1222                OPT_BOOLEAN('p', "prune", &prune,
1223                            "prune remotes after fetching"),
1224                OPT_END()
1225        };
1226        const char **fetch_argv;
1227        int fetch_argc = 0;
1228        int default_defined = 0;
1229
1230        fetch_argv = xmalloc(sizeof(char *) * (argc+5));
1231
1232        argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1233                             PARSE_OPT_KEEP_ARGV0);
1234
1235        fetch_argv[fetch_argc++] = "fetch";
1236
1237        if (prune)
1238                fetch_argv[fetch_argc++] = "--prune";
1239        if (verbose)
1240                fetch_argv[fetch_argc++] = "-v";
1241        fetch_argv[fetch_argc++] = "--multiple";
1242        if (argc < 2)
1243                fetch_argv[fetch_argc++] = "default";
1244        for (i = 1; i < argc; i++)
1245                fetch_argv[fetch_argc++] = argv[i];
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}