builtin / remote.con commit Merge branch 'ak/extract-argv0-last-dir-sep' into maint (c6f399c)
   1#include "builtin.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#include "argv-array.h"
  10
  11static const char * const builtin_remote_usage[] = {
  12        N_("git remote [-v | --verbose]"),
  13        N_("git remote add [-t <branch>] [-m <master>] [-f] [--tags | --no-tags] [--mirror=<fetch|push>] <name> <url>"),
  14        N_("git remote rename <old> <new>"),
  15        N_("git remote remove <name>"),
  16        N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
  17        N_("git remote [-v | --verbose] show [-n] <name>"),
  18        N_("git remote prune [-n | --dry-run] <name>"),
  19        N_("git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]"),
  20        N_("git remote set-branches [--add] <name> <branch>..."),
  21        N_("git remote get-url [--push] [--all] <name>"),
  22        N_("git remote set-url [--push] <name> <newurl> [<oldurl>]"),
  23        N_("git remote set-url --add <name> <newurl>"),
  24        N_("git remote set-url --delete <name> <url>"),
  25        NULL
  26};
  27
  28static const char * const builtin_remote_add_usage[] = {
  29        N_("git remote add [<options>] <name> <url>"),
  30        NULL
  31};
  32
  33static const char * const builtin_remote_rename_usage[] = {
  34        N_("git remote rename <old> <new>"),
  35        NULL
  36};
  37
  38static const char * const builtin_remote_rm_usage[] = {
  39        N_("git remote remove <name>"),
  40        NULL
  41};
  42
  43static const char * const builtin_remote_sethead_usage[] = {
  44        N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
  45        NULL
  46};
  47
  48static const char * const builtin_remote_setbranches_usage[] = {
  49        N_("git remote set-branches <name> <branch>..."),
  50        N_("git remote set-branches --add <name> <branch>..."),
  51        NULL
  52};
  53
  54static const char * const builtin_remote_show_usage[] = {
  55        N_("git remote show [<options>] <name>"),
  56        NULL
  57};
  58
  59static const char * const builtin_remote_prune_usage[] = {
  60        N_("git remote prune [<options>] <name>"),
  61        NULL
  62};
  63
  64static const char * const builtin_remote_update_usage[] = {
  65        N_("git remote update [<options>] [<group> | <remote>]..."),
  66        NULL
  67};
  68
  69static const char * const builtin_remote_geturl_usage[] = {
  70        N_("git remote get-url [--push] [--all] <name>"),
  71        NULL
  72};
  73
  74static const char * const builtin_remote_seturl_usage[] = {
  75        N_("git remote set-url [--push] <name> <newurl> [<oldurl>]"),
  76        N_("git remote set-url --add <name> <newurl>"),
  77        N_("git remote set-url --delete <name> <url>"),
  78        NULL
  79};
  80
  81#define GET_REF_STATES (1<<0)
  82#define GET_HEAD_NAMES (1<<1)
  83#define GET_PUSH_REF_STATES (1<<2)
  84
  85static int verbose;
  86
  87static int fetch_remote(const char *name)
  88{
  89        const char *argv[] = { "fetch", name, NULL, NULL };
  90        if (verbose) {
  91                argv[1] = "-v";
  92                argv[2] = name;
  93        }
  94        printf_ln(_("Updating %s"), name);
  95        if (run_command_v_opt(argv, RUN_GIT_CMD))
  96                return error(_("Could not fetch %s"), name);
  97        return 0;
  98}
  99
 100enum {
 101        TAGS_UNSET = 0,
 102        TAGS_DEFAULT = 1,
 103        TAGS_SET = 2
 104};
 105
 106#define MIRROR_NONE 0
 107#define MIRROR_FETCH 1
 108#define MIRROR_PUSH 2
 109#define MIRROR_BOTH (MIRROR_FETCH|MIRROR_PUSH)
 110
 111static void add_branch(const char *key, const char *branchname,
 112                       const char *remotename, int mirror, struct strbuf *tmp)
 113{
 114        strbuf_reset(tmp);
 115        strbuf_addch(tmp, '+');
 116        if (mirror)
 117                strbuf_addf(tmp, "refs/%s:refs/%s",
 118                                branchname, branchname);
 119        else
 120                strbuf_addf(tmp, "refs/heads/%s:refs/remotes/%s/%s",
 121                                branchname, remotename, branchname);
 122        git_config_set_multivar(key, tmp->buf, "^$", 0);
 123}
 124
 125static const char mirror_advice[] =
 126N_("--mirror is dangerous and deprecated; please\n"
 127   "\t use --mirror=fetch or --mirror=push instead");
 128
 129static int parse_mirror_opt(const struct option *opt, const char *arg, int not)
 130{
 131        unsigned *mirror = opt->value;
 132        if (not)
 133                *mirror = MIRROR_NONE;
 134        else if (!arg) {
 135                warning("%s", _(mirror_advice));
 136                *mirror = MIRROR_BOTH;
 137        }
 138        else if (!strcmp(arg, "fetch"))
 139                *mirror = MIRROR_FETCH;
 140        else if (!strcmp(arg, "push"))
 141                *mirror = MIRROR_PUSH;
 142        else
 143                return error(_("unknown mirror argument: %s"), arg);
 144        return 0;
 145}
 146
 147static int add(int argc, const char **argv)
 148{
 149        int fetch = 0, fetch_tags = TAGS_DEFAULT;
 150        unsigned mirror = MIRROR_NONE;
 151        struct string_list track = STRING_LIST_INIT_NODUP;
 152        const char *master = NULL;
 153        struct remote *remote;
 154        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
 155        const char *name, *url;
 156        int i;
 157
 158        struct option options[] = {
 159                OPT_BOOL('f', "fetch", &fetch, N_("fetch the remote branches")),
 160                OPT_SET_INT(0, "tags", &fetch_tags,
 161                            N_("import all tags and associated objects when fetching"),
 162                            TAGS_SET),
 163                OPT_SET_INT(0, NULL, &fetch_tags,
 164                            N_("or do not fetch any tag at all (--no-tags)"), TAGS_UNSET),
 165                OPT_STRING_LIST('t', "track", &track, N_("branch"),
 166                                N_("branch(es) to track")),
 167                OPT_STRING('m', "master", &master, N_("branch"), N_("master branch")),
 168                { OPTION_CALLBACK, 0, "mirror", &mirror, N_("push|fetch"),
 169                        N_("set up remote as a mirror to push to or fetch from"),
 170                        PARSE_OPT_OPTARG, parse_mirror_opt },
 171                OPT_END()
 172        };
 173
 174        argc = parse_options(argc, argv, NULL, options, builtin_remote_add_usage,
 175                             0);
 176
 177        if (argc != 2)
 178                usage_with_options(builtin_remote_add_usage, options);
 179
 180        if (mirror && master)
 181                die(_("specifying a master branch makes no sense with --mirror"));
 182        if (mirror && !(mirror & MIRROR_FETCH) && track.nr)
 183                die(_("specifying branches to track makes sense only with fetch mirrors"));
 184
 185        name = argv[0];
 186        url = argv[1];
 187
 188        remote = remote_get(name);
 189        if (remote && (remote->url_nr > 1 ||
 190                        (strcmp(name, remote->url[0]) &&
 191                                strcmp(url, remote->url[0])) ||
 192                        remote->fetch_refspec_nr))
 193                die(_("remote %s already exists."), name);
 194
 195        strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
 196        if (!valid_fetch_refspec(buf2.buf))
 197                die(_("'%s' is not a valid remote name"), name);
 198
 199        strbuf_addf(&buf, "remote.%s.url", name);
 200        git_config_set(buf.buf, url);
 201
 202        if (!mirror || mirror & MIRROR_FETCH) {
 203                strbuf_reset(&buf);
 204                strbuf_addf(&buf, "remote.%s.fetch", name);
 205                if (track.nr == 0)
 206                        string_list_append(&track, "*");
 207                for (i = 0; i < track.nr; i++) {
 208                        add_branch(buf.buf, track.items[i].string,
 209                                   name, mirror, &buf2);
 210                }
 211        }
 212
 213        if (mirror & MIRROR_PUSH) {
 214                strbuf_reset(&buf);
 215                strbuf_addf(&buf, "remote.%s.mirror", name);
 216                git_config_set(buf.buf, "true");
 217        }
 218
 219        if (fetch_tags != TAGS_DEFAULT) {
 220                strbuf_reset(&buf);
 221                strbuf_addf(&buf, "remote.%s.tagopt", name);
 222                git_config_set(buf.buf,
 223                               fetch_tags == TAGS_SET ? "--tags" : "--no-tags");
 224        }
 225
 226        if (fetch && fetch_remote(name))
 227                return 1;
 228
 229        if (master) {
 230                strbuf_reset(&buf);
 231                strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
 232
 233                strbuf_reset(&buf2);
 234                strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
 235
 236                if (create_symref(buf.buf, buf2.buf, "remote add"))
 237                        return error(_("Could not setup master '%s'"), master);
 238        }
 239
 240        strbuf_release(&buf);
 241        strbuf_release(&buf2);
 242        string_list_clear(&track, 0);
 243
 244        return 0;
 245}
 246
 247struct branch_info {
 248        char *remote_name;
 249        struct string_list merge;
 250        int rebase;
 251};
 252
 253static struct string_list branch_list;
 254
 255static const char *abbrev_ref(const char *name, const char *prefix)
 256{
 257        skip_prefix(name, prefix, &name);
 258        return name;
 259}
 260#define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
 261
 262static int config_read_branches(const char *key, const char *value, void *cb)
 263{
 264        if (starts_with(key, "branch.")) {
 265                const char *orig_key = key;
 266                char *name;
 267                struct string_list_item *item;
 268                struct branch_info *info;
 269                enum { REMOTE, MERGE, REBASE } type;
 270                size_t key_len;
 271
 272                key += 7;
 273                if (strip_suffix(key, ".remote", &key_len)) {
 274                        name = xmemdupz(key, key_len);
 275                        type = REMOTE;
 276                } else if (strip_suffix(key, ".merge", &key_len)) {
 277                        name = xmemdupz(key, key_len);
 278                        type = MERGE;
 279                } else if (strip_suffix(key, ".rebase", &key_len)) {
 280                        name = xmemdupz(key, key_len);
 281                        type = REBASE;
 282                } else
 283                        return 0;
 284
 285                item = string_list_insert(&branch_list, name);
 286
 287                if (!item->util)
 288                        item->util = xcalloc(1, sizeof(struct branch_info));
 289                info = item->util;
 290                if (type == REMOTE) {
 291                        if (info->remote_name)
 292                                warning(_("more than one %s"), orig_key);
 293                        info->remote_name = xstrdup(value);
 294                } else if (type == MERGE) {
 295                        char *space = strchr(value, ' ');
 296                        value = abbrev_branch(value);
 297                        while (space) {
 298                                char *merge;
 299                                merge = xstrndup(value, space - value);
 300                                string_list_append(&info->merge, merge);
 301                                value = abbrev_branch(space + 1);
 302                                space = strchr(value, ' ');
 303                        }
 304                        string_list_append(&info->merge, xstrdup(value));
 305                } else {
 306                        int v = git_config_maybe_bool(orig_key, value);
 307                        if (v >= 0)
 308                                info->rebase = v;
 309                        else if (!strcmp(value, "preserve"))
 310                                info->rebase = 1;
 311                }
 312        }
 313        return 0;
 314}
 315
 316static void read_branches(void)
 317{
 318        if (branch_list.nr)
 319                return;
 320        git_config(config_read_branches, NULL);
 321}
 322
 323struct ref_states {
 324        struct remote *remote;
 325        struct string_list new, stale, tracked, heads, push;
 326        int queried;
 327};
 328
 329static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
 330{
 331        struct ref *fetch_map = NULL, **tail = &fetch_map;
 332        struct ref *ref, *stale_refs;
 333        int i;
 334
 335        for (i = 0; i < states->remote->fetch_refspec_nr; i++)
 336                if (get_fetch_map(remote_refs, states->remote->fetch + i, &tail, 1))
 337                        die(_("Could not get fetch map for refspec %s"),
 338                                states->remote->fetch_refspec[i]);
 339
 340        states->new.strdup_strings = 1;
 341        states->tracked.strdup_strings = 1;
 342        states->stale.strdup_strings = 1;
 343        for (ref = fetch_map; ref; ref = ref->next) {
 344                if (!ref->peer_ref || !ref_exists(ref->peer_ref->name))
 345                        string_list_append(&states->new, abbrev_branch(ref->name));
 346                else
 347                        string_list_append(&states->tracked, abbrev_branch(ref->name));
 348        }
 349        stale_refs = get_stale_heads(states->remote->fetch,
 350                                     states->remote->fetch_refspec_nr, fetch_map);
 351        for (ref = stale_refs; ref; ref = ref->next) {
 352                struct string_list_item *item =
 353                        string_list_append(&states->stale, abbrev_branch(ref->name));
 354                item->util = xstrdup(ref->name);
 355        }
 356        free_refs(stale_refs);
 357        free_refs(fetch_map);
 358
 359        string_list_sort(&states->new);
 360        string_list_sort(&states->tracked);
 361        string_list_sort(&states->stale);
 362
 363        return 0;
 364}
 365
 366struct push_info {
 367        char *dest;
 368        int forced;
 369        enum {
 370                PUSH_STATUS_CREATE = 0,
 371                PUSH_STATUS_DELETE,
 372                PUSH_STATUS_UPTODATE,
 373                PUSH_STATUS_FASTFORWARD,
 374                PUSH_STATUS_OUTOFDATE,
 375                PUSH_STATUS_NOTQUERIED
 376        } status;
 377};
 378
 379static int get_push_ref_states(const struct ref *remote_refs,
 380        struct ref_states *states)
 381{
 382        struct remote *remote = states->remote;
 383        struct ref *ref, *local_refs, *push_map;
 384        if (remote->mirror)
 385                return 0;
 386
 387        local_refs = get_local_heads();
 388        push_map = copy_ref_list(remote_refs);
 389
 390        match_push_refs(local_refs, &push_map, remote->push_refspec_nr,
 391                        remote->push_refspec, MATCH_REFS_NONE);
 392
 393        states->push.strdup_strings = 1;
 394        for (ref = push_map; ref; ref = ref->next) {
 395                struct string_list_item *item;
 396                struct push_info *info;
 397
 398                if (!ref->peer_ref)
 399                        continue;
 400                oidcpy(&ref->new_oid, &ref->peer_ref->new_oid);
 401
 402                item = string_list_append(&states->push,
 403                                          abbrev_branch(ref->peer_ref->name));
 404                item->util = xcalloc(1, sizeof(struct push_info));
 405                info = item->util;
 406                info->forced = ref->force;
 407                info->dest = xstrdup(abbrev_branch(ref->name));
 408
 409                if (is_null_oid(&ref->new_oid)) {
 410                        info->status = PUSH_STATUS_DELETE;
 411                } else if (!oidcmp(&ref->old_oid, &ref->new_oid))
 412                        info->status = PUSH_STATUS_UPTODATE;
 413                else if (is_null_oid(&ref->old_oid))
 414                        info->status = PUSH_STATUS_CREATE;
 415                else if (has_object_file(&ref->old_oid) &&
 416                         ref_newer(&ref->new_oid, &ref->old_oid))
 417                        info->status = PUSH_STATUS_FASTFORWARD;
 418                else
 419                        info->status = PUSH_STATUS_OUTOFDATE;
 420        }
 421        free_refs(local_refs);
 422        free_refs(push_map);
 423        return 0;
 424}
 425
 426static int get_push_ref_states_noquery(struct ref_states *states)
 427{
 428        int i;
 429        struct remote *remote = states->remote;
 430        struct string_list_item *item;
 431        struct push_info *info;
 432
 433        if (remote->mirror)
 434                return 0;
 435
 436        states->push.strdup_strings = 1;
 437        if (!remote->push_refspec_nr) {
 438                item = string_list_append(&states->push, _("(matching)"));
 439                info = item->util = xcalloc(1, sizeof(struct push_info));
 440                info->status = PUSH_STATUS_NOTQUERIED;
 441                info->dest = xstrdup(item->string);
 442        }
 443        for (i = 0; i < remote->push_refspec_nr; i++) {
 444                struct refspec *spec = remote->push + i;
 445                if (spec->matching)
 446                        item = string_list_append(&states->push, _("(matching)"));
 447                else if (strlen(spec->src))
 448                        item = string_list_append(&states->push, spec->src);
 449                else
 450                        item = string_list_append(&states->push, _("(delete)"));
 451
 452                info = item->util = xcalloc(1, sizeof(struct push_info));
 453                info->forced = spec->force;
 454                info->status = PUSH_STATUS_NOTQUERIED;
 455                info->dest = xstrdup(spec->dst ? spec->dst : item->string);
 456        }
 457        return 0;
 458}
 459
 460static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
 461{
 462        struct ref *ref, *matches;
 463        struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
 464        struct refspec refspec;
 465
 466        refspec.force = 0;
 467        refspec.pattern = 1;
 468        refspec.src = refspec.dst = "refs/heads/*";
 469        states->heads.strdup_strings = 1;
 470        get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
 471        matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
 472                                    fetch_map, 1);
 473        for (ref = matches; ref; ref = ref->next)
 474                string_list_append(&states->heads, abbrev_branch(ref->name));
 475
 476        free_refs(fetch_map);
 477        free_refs(matches);
 478
 479        return 0;
 480}
 481
 482struct known_remote {
 483        struct known_remote *next;
 484        struct remote *remote;
 485};
 486
 487struct known_remotes {
 488        struct remote *to_delete;
 489        struct known_remote *list;
 490};
 491
 492static int add_known_remote(struct remote *remote, void *cb_data)
 493{
 494        struct known_remotes *all = cb_data;
 495        struct known_remote *r;
 496
 497        if (!strcmp(all->to_delete->name, remote->name))
 498                return 0;
 499
 500        r = xmalloc(sizeof(*r));
 501        r->remote = remote;
 502        r->next = all->list;
 503        all->list = r;
 504        return 0;
 505}
 506
 507struct branches_for_remote {
 508        struct remote *remote;
 509        struct string_list *branches, *skipped;
 510        struct known_remotes *keep;
 511};
 512
 513static int add_branch_for_removal(const char *refname,
 514        const struct object_id *oid, int flags, void *cb_data)
 515{
 516        struct branches_for_remote *branches = cb_data;
 517        struct refspec refspec;
 518        struct known_remote *kr;
 519
 520        memset(&refspec, 0, sizeof(refspec));
 521        refspec.dst = (char *)refname;
 522        if (remote_find_tracking(branches->remote, &refspec))
 523                return 0;
 524
 525        /* don't delete a branch if another remote also uses it */
 526        for (kr = branches->keep->list; kr; kr = kr->next) {
 527                memset(&refspec, 0, sizeof(refspec));
 528                refspec.dst = (char *)refname;
 529                if (!remote_find_tracking(kr->remote, &refspec))
 530                        return 0;
 531        }
 532
 533        /* don't delete non-remote-tracking refs */
 534        if (!starts_with(refname, "refs/remotes/")) {
 535                /* advise user how to delete local branches */
 536                if (starts_with(refname, "refs/heads/"))
 537                        string_list_append(branches->skipped,
 538                                           abbrev_branch(refname));
 539                /* silently skip over other non-remote refs */
 540                return 0;
 541        }
 542
 543        /* make sure that symrefs are deleted */
 544        if (flags & REF_ISSYMREF)
 545                return unlink(git_path("%s", refname));
 546
 547        string_list_append(branches->branches, refname);
 548
 549        return 0;
 550}
 551
 552struct rename_info {
 553        const char *old;
 554        const char *new;
 555        struct string_list *remote_branches;
 556};
 557
 558static int read_remote_branches(const char *refname,
 559        const struct object_id *oid, int flags, void *cb_data)
 560{
 561        struct rename_info *rename = cb_data;
 562        struct strbuf buf = STRBUF_INIT;
 563        struct string_list_item *item;
 564        int flag;
 565        struct object_id orig_oid;
 566        const char *symref;
 567
 568        strbuf_addf(&buf, "refs/remotes/%s/", rename->old);
 569        if (starts_with(refname, buf.buf)) {
 570                item = string_list_append(rename->remote_branches, xstrdup(refname));
 571                symref = resolve_ref_unsafe(refname, RESOLVE_REF_READING,
 572                                            orig_oid.hash, &flag);
 573                if (flag & REF_ISSYMREF)
 574                        item->util = xstrdup(symref);
 575                else
 576                        item->util = NULL;
 577        }
 578
 579        return 0;
 580}
 581
 582static int migrate_file(struct remote *remote)
 583{
 584        struct strbuf buf = STRBUF_INIT;
 585        int i;
 586
 587        strbuf_addf(&buf, "remote.%s.url", remote->name);
 588        for (i = 0; i < remote->url_nr; i++)
 589                git_config_set_multivar(buf.buf, remote->url[i], "^$", 0);
 590        strbuf_reset(&buf);
 591        strbuf_addf(&buf, "remote.%s.push", remote->name);
 592        for (i = 0; i < remote->push_refspec_nr; i++)
 593                git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0);
 594        strbuf_reset(&buf);
 595        strbuf_addf(&buf, "remote.%s.fetch", remote->name);
 596        for (i = 0; i < remote->fetch_refspec_nr; i++)
 597                git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0);
 598        if (remote->origin == REMOTE_REMOTES)
 599                unlink_or_warn(git_path("remotes/%s", remote->name));
 600        else if (remote->origin == REMOTE_BRANCHES)
 601                unlink_or_warn(git_path("branches/%s", remote->name));
 602
 603        return 0;
 604}
 605
 606static int mv(int argc, const char **argv)
 607{
 608        struct option options[] = {
 609                OPT_END()
 610        };
 611        struct remote *oldremote, *newremote;
 612        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT,
 613                old_remote_context = STRBUF_INIT;
 614        struct string_list remote_branches = STRING_LIST_INIT_NODUP;
 615        struct rename_info rename;
 616        int i, refspec_updated = 0;
 617
 618        if (argc != 3)
 619                usage_with_options(builtin_remote_rename_usage, options);
 620
 621        rename.old = argv[1];
 622        rename.new = argv[2];
 623        rename.remote_branches = &remote_branches;
 624
 625        oldremote = remote_get(rename.old);
 626        if (!oldremote)
 627                die(_("No such remote: %s"), rename.old);
 628
 629        if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
 630                return migrate_file(oldremote);
 631
 632        newremote = remote_get(rename.new);
 633        if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
 634                die(_("remote %s already exists."), rename.new);
 635
 636        strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
 637        if (!valid_fetch_refspec(buf.buf))
 638                die(_("'%s' is not a valid remote name"), rename.new);
 639
 640        strbuf_reset(&buf);
 641        strbuf_addf(&buf, "remote.%s", rename.old);
 642        strbuf_addf(&buf2, "remote.%s", rename.new);
 643        if (git_config_rename_section(buf.buf, buf2.buf) < 1)
 644                return error(_("Could not rename config section '%s' to '%s'"),
 645                                buf.buf, buf2.buf);
 646
 647        strbuf_reset(&buf);
 648        strbuf_addf(&buf, "remote.%s.fetch", rename.new);
 649        git_config_set_multivar(buf.buf, NULL, NULL, 1);
 650        strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old);
 651        for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
 652                char *ptr;
 653
 654                strbuf_reset(&buf2);
 655                strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
 656                ptr = strstr(buf2.buf, old_remote_context.buf);
 657                if (ptr) {
 658                        refspec_updated = 1;
 659                        strbuf_splice(&buf2,
 660                                      ptr-buf2.buf + strlen(":refs/remotes/"),
 661                                      strlen(rename.old), rename.new,
 662                                      strlen(rename.new));
 663                } else
 664                        warning(_("Not updating non-default fetch refspec\n"
 665                                  "\t%s\n"
 666                                  "\tPlease update the configuration manually if necessary."),
 667                                buf2.buf);
 668
 669                git_config_set_multivar(buf.buf, buf2.buf, "^$", 0);
 670        }
 671
 672        read_branches();
 673        for (i = 0; i < branch_list.nr; i++) {
 674                struct string_list_item *item = branch_list.items + i;
 675                struct branch_info *info = item->util;
 676                if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
 677                        strbuf_reset(&buf);
 678                        strbuf_addf(&buf, "branch.%s.remote", item->string);
 679                        git_config_set(buf.buf, rename.new);
 680                }
 681        }
 682
 683        if (!refspec_updated)
 684                return 0;
 685
 686        /*
 687         * First remove symrefs, then rename the rest, finally create
 688         * the new symrefs.
 689         */
 690        for_each_ref(read_remote_branches, &rename);
 691        for (i = 0; i < remote_branches.nr; i++) {
 692                struct string_list_item *item = remote_branches.items + i;
 693                int flag = 0;
 694                struct object_id oid;
 695
 696                read_ref_full(item->string, RESOLVE_REF_READING, oid.hash, &flag);
 697                if (!(flag & REF_ISSYMREF))
 698                        continue;
 699                if (delete_ref(item->string, NULL, REF_NODEREF))
 700                        die(_("deleting '%s' failed"), item->string);
 701        }
 702        for (i = 0; i < remote_branches.nr; i++) {
 703                struct string_list_item *item = remote_branches.items + i;
 704
 705                if (item->util)
 706                        continue;
 707                strbuf_reset(&buf);
 708                strbuf_addstr(&buf, item->string);
 709                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 710                                rename.new, strlen(rename.new));
 711                strbuf_reset(&buf2);
 712                strbuf_addf(&buf2, "remote: renamed %s to %s",
 713                                item->string, buf.buf);
 714                if (rename_ref(item->string, buf.buf, buf2.buf))
 715                        die(_("renaming '%s' failed"), item->string);
 716        }
 717        for (i = 0; i < remote_branches.nr; i++) {
 718                struct string_list_item *item = remote_branches.items + i;
 719
 720                if (!item->util)
 721                        continue;
 722                strbuf_reset(&buf);
 723                strbuf_addstr(&buf, item->string);
 724                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 725                                rename.new, strlen(rename.new));
 726                strbuf_reset(&buf2);
 727                strbuf_addstr(&buf2, item->util);
 728                strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
 729                                rename.new, strlen(rename.new));
 730                strbuf_reset(&buf3);
 731                strbuf_addf(&buf3, "remote: renamed %s to %s",
 732                                item->string, buf.buf);
 733                if (create_symref(buf.buf, buf2.buf, buf3.buf))
 734                        die(_("creating '%s' failed"), buf.buf);
 735        }
 736        return 0;
 737}
 738
 739static int rm(int argc, const char **argv)
 740{
 741        struct option options[] = {
 742                OPT_END()
 743        };
 744        struct remote *remote;
 745        struct strbuf buf = STRBUF_INIT;
 746        struct known_remotes known_remotes = { NULL, NULL };
 747        struct string_list branches = STRING_LIST_INIT_DUP;
 748        struct string_list skipped = STRING_LIST_INIT_DUP;
 749        struct branches_for_remote cb_data;
 750        int i, result;
 751
 752        memset(&cb_data, 0, sizeof(cb_data));
 753        cb_data.branches = &branches;
 754        cb_data.skipped = &skipped;
 755        cb_data.keep = &known_remotes;
 756
 757        if (argc != 2)
 758                usage_with_options(builtin_remote_rm_usage, options);
 759
 760        remote = remote_get(argv[1]);
 761        if (!remote)
 762                die(_("No such remote: %s"), argv[1]);
 763
 764        known_remotes.to_delete = remote;
 765        for_each_remote(add_known_remote, &known_remotes);
 766
 767        read_branches();
 768        for (i = 0; i < branch_list.nr; i++) {
 769                struct string_list_item *item = branch_list.items + i;
 770                struct branch_info *info = item->util;
 771                if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
 772                        const char *keys[] = { "remote", "merge", NULL }, **k;
 773                        for (k = keys; *k; k++) {
 774                                strbuf_reset(&buf);
 775                                strbuf_addf(&buf, "branch.%s.%s",
 776                                                item->string, *k);
 777                                git_config_set(buf.buf, NULL);
 778                        }
 779                }
 780        }
 781
 782        /*
 783         * We cannot just pass a function to for_each_ref() which deletes
 784         * the branches one by one, since for_each_ref() relies on cached
 785         * refs, which are invalidated when deleting a branch.
 786         */
 787        cb_data.remote = remote;
 788        result = for_each_ref(add_branch_for_removal, &cb_data);
 789        strbuf_release(&buf);
 790
 791        if (!result)
 792                result = delete_refs(&branches);
 793        string_list_clear(&branches, 0);
 794
 795        if (skipped.nr) {
 796                fprintf_ln(stderr,
 797                           Q_("Note: A branch outside the refs/remotes/ hierarchy was not removed;\n"
 798                              "to delete it, use:",
 799                              "Note: Some branches outside the refs/remotes/ hierarchy were not removed;\n"
 800                              "to delete them, use:",
 801                              skipped.nr));
 802                for (i = 0; i < skipped.nr; i++)
 803                        fprintf(stderr, "  git branch -d %s\n",
 804                                skipped.items[i].string);
 805        }
 806        string_list_clear(&skipped, 0);
 807
 808        if (!result) {
 809                strbuf_addf(&buf, "remote.%s", remote->name);
 810                if (git_config_rename_section(buf.buf, NULL) < 1)
 811                        return error(_("Could not remove config section '%s'"), buf.buf);
 812        }
 813
 814        return result;
 815}
 816
 817static void clear_push_info(void *util, const char *string)
 818{
 819        struct push_info *info = util;
 820        free(info->dest);
 821        free(info);
 822}
 823
 824static void free_remote_ref_states(struct ref_states *states)
 825{
 826        string_list_clear(&states->new, 0);
 827        string_list_clear(&states->stale, 1);
 828        string_list_clear(&states->tracked, 0);
 829        string_list_clear(&states->heads, 0);
 830        string_list_clear_func(&states->push, clear_push_info);
 831}
 832
 833static int append_ref_to_tracked_list(const char *refname,
 834        const struct object_id *oid, int flags, void *cb_data)
 835{
 836        struct ref_states *states = cb_data;
 837        struct refspec refspec;
 838
 839        if (flags & REF_ISSYMREF)
 840                return 0;
 841
 842        memset(&refspec, 0, sizeof(refspec));
 843        refspec.dst = (char *)refname;
 844        if (!remote_find_tracking(states->remote, &refspec))
 845                string_list_append(&states->tracked, abbrev_branch(refspec.src));
 846
 847        return 0;
 848}
 849
 850static int get_remote_ref_states(const char *name,
 851                                 struct ref_states *states,
 852                                 int query)
 853{
 854        struct transport *transport;
 855        const struct ref *remote_refs;
 856
 857        states->remote = remote_get(name);
 858        if (!states->remote)
 859                return error(_("No such remote: %s"), name);
 860
 861        read_branches();
 862
 863        if (query) {
 864                transport = transport_get(states->remote, states->remote->url_nr > 0 ?
 865                        states->remote->url[0] : NULL);
 866                remote_refs = transport_get_remote_refs(transport);
 867                transport_disconnect(transport);
 868
 869                states->queried = 1;
 870                if (query & GET_REF_STATES)
 871                        get_ref_states(remote_refs, states);
 872                if (query & GET_HEAD_NAMES)
 873                        get_head_names(remote_refs, states);
 874                if (query & GET_PUSH_REF_STATES)
 875                        get_push_ref_states(remote_refs, states);
 876        } else {
 877                for_each_ref(append_ref_to_tracked_list, states);
 878                string_list_sort(&states->tracked);
 879                get_push_ref_states_noquery(states);
 880        }
 881
 882        return 0;
 883}
 884
 885struct show_info {
 886        struct string_list *list;
 887        struct ref_states *states;
 888        int width, width2;
 889        int any_rebase;
 890};
 891
 892static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
 893{
 894        struct show_info *info = cb_data;
 895        int n = strlen(item->string);
 896        if (n > info->width)
 897                info->width = n;
 898        string_list_insert(info->list, item->string);
 899        return 0;
 900}
 901
 902static int show_remote_info_item(struct string_list_item *item, void *cb_data)
 903{
 904        struct show_info *info = cb_data;
 905        struct ref_states *states = info->states;
 906        const char *name = item->string;
 907
 908        if (states->queried) {
 909                const char *fmt = "%s";
 910                const char *arg = "";
 911                if (string_list_has_string(&states->new, name)) {
 912                        fmt = _(" new (next fetch will store in remotes/%s)");
 913                        arg = states->remote->name;
 914                } else if (string_list_has_string(&states->tracked, name))
 915                        arg = _(" tracked");
 916                else if (string_list_has_string(&states->stale, name))
 917                        arg = _(" stale (use 'git remote prune' to remove)");
 918                else
 919                        arg = _(" ???");
 920                printf("    %-*s", info->width, name);
 921                printf(fmt, arg);
 922                printf("\n");
 923        } else
 924                printf("    %s\n", name);
 925
 926        return 0;
 927}
 928
 929static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
 930{
 931        struct show_info *show_info = cb_data;
 932        struct ref_states *states = show_info->states;
 933        struct branch_info *branch_info = branch_item->util;
 934        struct string_list_item *item;
 935        int n;
 936
 937        if (!branch_info->merge.nr || !branch_info->remote_name ||
 938            strcmp(states->remote->name, branch_info->remote_name))
 939                return 0;
 940        if ((n = strlen(branch_item->string)) > show_info->width)
 941                show_info->width = n;
 942        if (branch_info->rebase)
 943                show_info->any_rebase = 1;
 944
 945        item = string_list_insert(show_info->list, branch_item->string);
 946        item->util = branch_info;
 947
 948        return 0;
 949}
 950
 951static int show_local_info_item(struct string_list_item *item, void *cb_data)
 952{
 953        struct show_info *show_info = cb_data;
 954        struct branch_info *branch_info = item->util;
 955        struct string_list *merge = &branch_info->merge;
 956        const char *also;
 957        int i;
 958
 959        if (branch_info->rebase && branch_info->merge.nr > 1) {
 960                error(_("invalid branch.%s.merge; cannot rebase onto > 1 branch"),
 961                        item->string);
 962                return 0;
 963        }
 964
 965        printf("    %-*s ", show_info->width, item->string);
 966        if (branch_info->rebase) {
 967                printf_ln(_("rebases onto remote %s"), merge->items[0].string);
 968                return 0;
 969        } else if (show_info->any_rebase) {
 970                printf_ln(_(" merges with remote %s"), merge->items[0].string);
 971                also = _("    and with remote");
 972        } else {
 973                printf_ln(_("merges with remote %s"), merge->items[0].string);
 974                also = _("   and with remote");
 975        }
 976        for (i = 1; i < merge->nr; i++)
 977                printf("    %-*s %s %s\n", show_info->width, "", also,
 978                       merge->items[i].string);
 979
 980        return 0;
 981}
 982
 983static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
 984{
 985        struct show_info *show_info = cb_data;
 986        struct push_info *push_info = push_item->util;
 987        struct string_list_item *item;
 988        int n;
 989        if ((n = strlen(push_item->string)) > show_info->width)
 990                show_info->width = n;
 991        if ((n = strlen(push_info->dest)) > show_info->width2)
 992                show_info->width2 = n;
 993        item = string_list_append(show_info->list, push_item->string);
 994        item->util = push_item->util;
 995        return 0;
 996}
 997
 998/*
 999 * Sorting comparison for a string list that has push_info
1000 * structs in its util field
1001 */
1002static int cmp_string_with_push(const void *va, const void *vb)
1003{
1004        const struct string_list_item *a = va;
1005        const struct string_list_item *b = vb;
1006        const struct push_info *a_push = a->util;
1007        const struct push_info *b_push = b->util;
1008        int cmp = strcmp(a->string, b->string);
1009        return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
1010}
1011
1012static int show_push_info_item(struct string_list_item *item, void *cb_data)
1013{
1014        struct show_info *show_info = cb_data;
1015        struct push_info *push_info = item->util;
1016        const char *src = item->string, *status = NULL;
1017
1018        switch (push_info->status) {
1019        case PUSH_STATUS_CREATE:
1020                status = _("create");
1021                break;
1022        case PUSH_STATUS_DELETE:
1023                status = _("delete");
1024                src = _("(none)");
1025                break;
1026        case PUSH_STATUS_UPTODATE:
1027                status = _("up to date");
1028                break;
1029        case PUSH_STATUS_FASTFORWARD:
1030                status = _("fast-forwardable");
1031                break;
1032        case PUSH_STATUS_OUTOFDATE:
1033                status = _("local out of date");
1034                break;
1035        case PUSH_STATUS_NOTQUERIED:
1036                break;
1037        }
1038        if (status) {
1039                if (push_info->forced)
1040                        printf_ln(_("    %-*s forces to %-*s (%s)"), show_info->width, src,
1041                               show_info->width2, push_info->dest, status);
1042                else
1043                        printf_ln(_("    %-*s pushes to %-*s (%s)"), show_info->width, src,
1044                               show_info->width2, push_info->dest, status);
1045        } else {
1046                if (push_info->forced)
1047                        printf_ln(_("    %-*s forces to %s"), show_info->width, src,
1048                               push_info->dest);
1049                else
1050                        printf_ln(_("    %-*s pushes to %s"), show_info->width, src,
1051                               push_info->dest);
1052        }
1053        return 0;
1054}
1055
1056static int get_one_entry(struct remote *remote, void *priv)
1057{
1058        struct string_list *list = priv;
1059        struct strbuf url_buf = STRBUF_INIT;
1060        const char **url;
1061        int i, url_nr;
1062
1063        if (remote->url_nr > 0) {
1064                strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
1065                string_list_append(list, remote->name)->util =
1066                                strbuf_detach(&url_buf, NULL);
1067        } else
1068                string_list_append(list, remote->name)->util = NULL;
1069        if (remote->pushurl_nr) {
1070                url = remote->pushurl;
1071                url_nr = remote->pushurl_nr;
1072        } else {
1073                url = remote->url;
1074                url_nr = remote->url_nr;
1075        }
1076        for (i = 0; i < url_nr; i++)
1077        {
1078                strbuf_addf(&url_buf, "%s (push)", url[i]);
1079                string_list_append(list, remote->name)->util =
1080                                strbuf_detach(&url_buf, NULL);
1081        }
1082
1083        return 0;
1084}
1085
1086static int show_all(void)
1087{
1088        struct string_list list = STRING_LIST_INIT_NODUP;
1089        int result;
1090
1091        list.strdup_strings = 1;
1092        result = for_each_remote(get_one_entry, &list);
1093
1094        if (!result) {
1095                int i;
1096
1097                string_list_sort(&list);
1098                for (i = 0; i < list.nr; i++) {
1099                        struct string_list_item *item = list.items + i;
1100                        if (verbose)
1101                                printf("%s\t%s\n", item->string,
1102                                        item->util ? (const char *)item->util : "");
1103                        else {
1104                                if (i && !strcmp((item - 1)->string, item->string))
1105                                        continue;
1106                                printf("%s\n", item->string);
1107                        }
1108                }
1109        }
1110        string_list_clear(&list, 1);
1111        return result;
1112}
1113
1114static int show(int argc, const char **argv)
1115{
1116        int no_query = 0, result = 0, query_flag = 0;
1117        struct option options[] = {
1118                OPT_BOOL('n', NULL, &no_query, N_("do not query remotes")),
1119                OPT_END()
1120        };
1121        struct ref_states states;
1122        struct string_list info_list = STRING_LIST_INIT_NODUP;
1123        struct show_info info;
1124
1125        argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
1126                             0);
1127
1128        if (argc < 1)
1129                return show_all();
1130
1131        if (!no_query)
1132                query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
1133
1134        memset(&states, 0, sizeof(states));
1135        memset(&info, 0, sizeof(info));
1136        info.states = &states;
1137        info.list = &info_list;
1138        for (; argc; argc--, argv++) {
1139                int i;
1140                const char **url;
1141                int url_nr;
1142
1143                get_remote_ref_states(*argv, &states, query_flag);
1144
1145                printf_ln(_("* remote %s"), *argv);
1146                printf_ln(_("  Fetch URL: %s"), states.remote->url_nr > 0 ?
1147                       states.remote->url[0] : _("(no URL)"));
1148                if (states.remote->pushurl_nr) {
1149                        url = states.remote->pushurl;
1150                        url_nr = states.remote->pushurl_nr;
1151                } else {
1152                        url = states.remote->url;
1153                        url_nr = states.remote->url_nr;
1154                }
1155                for (i = 0; i < url_nr; i++)
1156                        printf_ln(_("  Push  URL: %s"), url[i]);
1157                if (!i)
1158                        printf_ln(_("  Push  URL: %s"), "(no URL)");
1159                if (no_query)
1160                        printf_ln(_("  HEAD branch: %s"), "(not queried)");
1161                else if (!states.heads.nr)
1162                        printf_ln(_("  HEAD branch: %s"), "(unknown)");
1163                else if (states.heads.nr == 1)
1164                        printf_ln(_("  HEAD branch: %s"), states.heads.items[0].string);
1165                else {
1166                        printf(_("  HEAD branch (remote HEAD is ambiguous,"
1167                                 " may be one of the following):\n"));
1168                        for (i = 0; i < states.heads.nr; i++)
1169                                printf("    %s\n", states.heads.items[i].string);
1170                }
1171
1172                /* remote branch info */
1173                info.width = 0;
1174                for_each_string_list(&states.new, add_remote_to_show_info, &info);
1175                for_each_string_list(&states.tracked, add_remote_to_show_info, &info);
1176                for_each_string_list(&states.stale, add_remote_to_show_info, &info);
1177                if (info.list->nr)
1178                        printf_ln(Q_("  Remote branch:%s",
1179                                     "  Remote branches:%s",
1180                                     info.list->nr),
1181                                  no_query ? _(" (status not queried)") : "");
1182                for_each_string_list(info.list, show_remote_info_item, &info);
1183                string_list_clear(info.list, 0);
1184
1185                /* git pull info */
1186                info.width = 0;
1187                info.any_rebase = 0;
1188                for_each_string_list(&branch_list, add_local_to_show_info, &info);
1189                if (info.list->nr)
1190                        printf_ln(Q_("  Local branch configured for 'git pull':",
1191                                     "  Local branches configured for 'git pull':",
1192                                     info.list->nr));
1193                for_each_string_list(info.list, show_local_info_item, &info);
1194                string_list_clear(info.list, 0);
1195
1196                /* git push info */
1197                if (states.remote->mirror)
1198                        printf_ln(_("  Local refs will be mirrored by 'git push'"));
1199
1200                info.width = info.width2 = 0;
1201                for_each_string_list(&states.push, add_push_to_show_info, &info);
1202                qsort(info.list->items, info.list->nr,
1203                        sizeof(*info.list->items), cmp_string_with_push);
1204                if (info.list->nr)
1205                        printf_ln(Q_("  Local ref configured for 'git push'%s:",
1206                                     "  Local refs configured for 'git push'%s:",
1207                                     info.list->nr),
1208                                  no_query ? _(" (status not queried)") : "");
1209                for_each_string_list(info.list, show_push_info_item, &info);
1210                string_list_clear(info.list, 0);
1211
1212                free_remote_ref_states(&states);
1213        }
1214
1215        return result;
1216}
1217
1218static int set_head(int argc, const char **argv)
1219{
1220        int i, opt_a = 0, opt_d = 0, result = 0;
1221        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1222        char *head_name = NULL;
1223
1224        struct option options[] = {
1225                OPT_BOOL('a', "auto", &opt_a,
1226                         N_("set refs/remotes/<name>/HEAD according to remote")),
1227                OPT_BOOL('d', "delete", &opt_d,
1228                         N_("delete refs/remotes/<name>/HEAD")),
1229                OPT_END()
1230        };
1231        argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
1232                             0);
1233        if (argc)
1234                strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1235
1236        if (!opt_a && !opt_d && argc == 2) {
1237                head_name = xstrdup(argv[1]);
1238        } else if (opt_a && !opt_d && argc == 1) {
1239                struct ref_states states;
1240                memset(&states, 0, sizeof(states));
1241                get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1242                if (!states.heads.nr)
1243                        result |= error(_("Cannot determine remote HEAD"));
1244                else if (states.heads.nr > 1) {
1245                        result |= error(_("Multiple remote HEAD branches. "
1246                                          "Please choose one explicitly with:"));
1247                        for (i = 0; i < states.heads.nr; i++)
1248                                fprintf(stderr, "  git remote set-head %s %s\n",
1249                                        argv[0], states.heads.items[i].string);
1250                } else
1251                        head_name = xstrdup(states.heads.items[0].string);
1252                free_remote_ref_states(&states);
1253        } else if (opt_d && !opt_a && argc == 1) {
1254                if (delete_ref(buf.buf, NULL, REF_NODEREF))
1255                        result |= error(_("Could not delete %s"), buf.buf);
1256        } else
1257                usage_with_options(builtin_remote_sethead_usage, options);
1258
1259        if (head_name) {
1260                strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1261                /* make sure it's valid */
1262                if (!ref_exists(buf2.buf))
1263                        result |= error(_("Not a valid ref: %s"), buf2.buf);
1264                else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1265                        result |= error(_("Could not setup %s"), buf.buf);
1266                if (opt_a)
1267                        printf("%s/HEAD set to %s\n", argv[0], head_name);
1268                free(head_name);
1269        }
1270
1271        strbuf_release(&buf);
1272        strbuf_release(&buf2);
1273        return result;
1274}
1275
1276static int prune_remote(const char *remote, int dry_run)
1277{
1278        int result = 0;
1279        struct ref_states states;
1280        struct string_list refs_to_prune = STRING_LIST_INIT_NODUP;
1281        struct string_list_item *item;
1282        const char *dangling_msg = dry_run
1283                ? _(" %s will become dangling!")
1284                : _(" %s has become dangling!");
1285
1286        memset(&states, 0, sizeof(states));
1287        get_remote_ref_states(remote, &states, GET_REF_STATES);
1288
1289        if (!states.stale.nr) {
1290                free_remote_ref_states(&states);
1291                return 0;
1292        }
1293
1294        printf_ln(_("Pruning %s"), remote);
1295        printf_ln(_("URL: %s"),
1296                  states.remote->url_nr
1297                  ? states.remote->url[0]
1298                  : _("(no URL)"));
1299
1300        for_each_string_list_item(item, &states.stale)
1301                string_list_append(&refs_to_prune, item->util);
1302        string_list_sort(&refs_to_prune);
1303
1304        if (!dry_run)
1305                result |= delete_refs(&refs_to_prune);
1306
1307        for_each_string_list_item(item, &states.stale) {
1308                const char *refname = item->util;
1309
1310                if (dry_run)
1311                        printf_ln(_(" * [would prune] %s"),
1312                               abbrev_ref(refname, "refs/remotes/"));
1313                else
1314                        printf_ln(_(" * [pruned] %s"),
1315                               abbrev_ref(refname, "refs/remotes/"));
1316        }
1317
1318        warn_dangling_symrefs(stdout, dangling_msg, &refs_to_prune);
1319
1320        string_list_clear(&refs_to_prune, 0);
1321        free_remote_ref_states(&states);
1322        return result;
1323}
1324
1325static int prune(int argc, const char **argv)
1326{
1327        int dry_run = 0, result = 0;
1328        struct option options[] = {
1329                OPT__DRY_RUN(&dry_run, N_("dry run")),
1330                OPT_END()
1331        };
1332
1333        argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
1334                             0);
1335
1336        if (argc < 1)
1337                usage_with_options(builtin_remote_prune_usage, options);
1338
1339        for (; argc; argc--, argv++)
1340                result |= prune_remote(*argv, dry_run);
1341
1342        return result;
1343}
1344
1345static int get_remote_default(const char *key, const char *value, void *priv)
1346{
1347        if (strcmp(key, "remotes.default") == 0) {
1348                int *found = priv;
1349                *found = 1;
1350        }
1351        return 0;
1352}
1353
1354static int update(int argc, const char **argv)
1355{
1356        int i, prune = -1;
1357        struct option options[] = {
1358                OPT_BOOL('p', "prune", &prune,
1359                         N_("prune remotes after fetching")),
1360                OPT_END()
1361        };
1362        struct argv_array fetch_argv = ARGV_ARRAY_INIT;
1363        int default_defined = 0;
1364        int retval;
1365
1366        argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1367                             PARSE_OPT_KEEP_ARGV0);
1368
1369        argv_array_push(&fetch_argv, "fetch");
1370
1371        if (prune != -1)
1372                argv_array_push(&fetch_argv, prune ? "--prune" : "--no-prune");
1373        if (verbose)
1374                argv_array_push(&fetch_argv, "-v");
1375        argv_array_push(&fetch_argv, "--multiple");
1376        if (argc < 2)
1377                argv_array_push(&fetch_argv, "default");
1378        for (i = 1; i < argc; i++)
1379                argv_array_push(&fetch_argv, argv[i]);
1380
1381        if (strcmp(fetch_argv.argv[fetch_argv.argc-1], "default") == 0) {
1382                git_config(get_remote_default, &default_defined);
1383                if (!default_defined) {
1384                        argv_array_pop(&fetch_argv);
1385                        argv_array_push(&fetch_argv, "--all");
1386                }
1387        }
1388
1389        retval = run_command_v_opt(fetch_argv.argv, RUN_GIT_CMD);
1390        argv_array_clear(&fetch_argv);
1391        return retval;
1392}
1393
1394static int remove_all_fetch_refspecs(const char *remote, const char *key)
1395{
1396        return git_config_set_multivar_gently(key, NULL, NULL, 1);
1397}
1398
1399static void add_branches(struct remote *remote, const char **branches,
1400                         const char *key)
1401{
1402        const char *remotename = remote->name;
1403        int mirror = remote->mirror;
1404        struct strbuf refspec = STRBUF_INIT;
1405
1406        for (; *branches; branches++)
1407                add_branch(key, *branches, remotename, mirror, &refspec);
1408
1409        strbuf_release(&refspec);
1410}
1411
1412static int set_remote_branches(const char *remotename, const char **branches,
1413                                int add_mode)
1414{
1415        struct strbuf key = STRBUF_INIT;
1416        struct remote *remote;
1417
1418        strbuf_addf(&key, "remote.%s.fetch", remotename);
1419
1420        if (!remote_is_configured(remotename))
1421                die(_("No such remote '%s'"), remotename);
1422        remote = remote_get(remotename);
1423
1424        if (!add_mode && remove_all_fetch_refspecs(remotename, key.buf)) {
1425                strbuf_release(&key);
1426                return 1;
1427        }
1428        add_branches(remote, branches, key.buf);
1429
1430        strbuf_release(&key);
1431        return 0;
1432}
1433
1434static int set_branches(int argc, const char **argv)
1435{
1436        int add_mode = 0;
1437        struct option options[] = {
1438                OPT_BOOL('\0', "add", &add_mode, N_("add branch")),
1439                OPT_END()
1440        };
1441
1442        argc = parse_options(argc, argv, NULL, options,
1443                             builtin_remote_setbranches_usage, 0);
1444        if (argc == 0) {
1445                error(_("no remote specified"));
1446                usage_with_options(builtin_remote_setbranches_usage, options);
1447        }
1448        argv[argc] = NULL;
1449
1450        return set_remote_branches(argv[0], argv + 1, add_mode);
1451}
1452
1453static int get_url(int argc, const char **argv)
1454{
1455        int i, push_mode = 0, all_mode = 0;
1456        const char *remotename = NULL;
1457        struct remote *remote;
1458        const char **url;
1459        int url_nr;
1460        struct option options[] = {
1461                OPT_BOOL('\0', "push", &push_mode,
1462                         N_("query push URLs rather than fetch URLs")),
1463                OPT_BOOL('\0', "all", &all_mode,
1464                         N_("return all URLs")),
1465                OPT_END()
1466        };
1467        argc = parse_options(argc, argv, NULL, options, builtin_remote_geturl_usage, 0);
1468
1469        if (argc != 1)
1470                usage_with_options(builtin_remote_geturl_usage, options);
1471
1472        remotename = argv[0];
1473
1474        if (!remote_is_configured(remotename))
1475                die(_("No such remote '%s'"), remotename);
1476        remote = remote_get(remotename);
1477
1478        url_nr = 0;
1479        if (push_mode) {
1480                url = remote->pushurl;
1481                url_nr = remote->pushurl_nr;
1482        }
1483        /* else fetch mode */
1484
1485        /* Use the fetch URL when no push URLs were found or requested. */
1486        if (!url_nr) {
1487                url = remote->url;
1488                url_nr = remote->url_nr;
1489        }
1490
1491        if (!url_nr)
1492                die(_("no URLs configured for remote '%s'"), remotename);
1493
1494        if (all_mode) {
1495                for (i = 0; i < url_nr; i++)
1496                        printf_ln("%s", url[i]);
1497        } else {
1498                printf_ln("%s", *url);
1499        }
1500
1501        return 0;
1502}
1503
1504static int set_url(int argc, const char **argv)
1505{
1506        int i, push_mode = 0, add_mode = 0, delete_mode = 0;
1507        int matches = 0, negative_matches = 0;
1508        const char *remotename = NULL;
1509        const char *newurl = NULL;
1510        const char *oldurl = NULL;
1511        struct remote *remote;
1512        regex_t old_regex;
1513        const char **urlset;
1514        int urlset_nr;
1515        struct strbuf name_buf = STRBUF_INIT;
1516        struct option options[] = {
1517                OPT_BOOL('\0', "push", &push_mode,
1518                         N_("manipulate push URLs")),
1519                OPT_BOOL('\0', "add", &add_mode,
1520                         N_("add URL")),
1521                OPT_BOOL('\0', "delete", &delete_mode,
1522                            N_("delete URLs")),
1523                OPT_END()
1524        };
1525        argc = parse_options(argc, argv, NULL, options, builtin_remote_seturl_usage,
1526                             PARSE_OPT_KEEP_ARGV0);
1527
1528        if (add_mode && delete_mode)
1529                die(_("--add --delete doesn't make sense"));
1530
1531        if (argc < 3 || argc > 4 || ((add_mode || delete_mode) && argc != 3))
1532                usage_with_options(builtin_remote_seturl_usage, options);
1533
1534        remotename = argv[1];
1535        newurl = argv[2];
1536        if (argc > 3)
1537                oldurl = argv[3];
1538
1539        if (delete_mode)
1540                oldurl = newurl;
1541
1542        if (!remote_is_configured(remotename))
1543                die(_("No such remote '%s'"), remotename);
1544        remote = remote_get(remotename);
1545
1546        if (push_mode) {
1547                strbuf_addf(&name_buf, "remote.%s.pushurl", remotename);
1548                urlset = remote->pushurl;
1549                urlset_nr = remote->pushurl_nr;
1550        } else {
1551                strbuf_addf(&name_buf, "remote.%s.url", remotename);
1552                urlset = remote->url;
1553                urlset_nr = remote->url_nr;
1554        }
1555
1556        /* Special cases that add new entry. */
1557        if ((!oldurl && !delete_mode) || add_mode) {
1558                if (add_mode)
1559                        git_config_set_multivar(name_buf.buf, newurl,
1560                                                       "^$", 0);
1561                else
1562                        git_config_set(name_buf.buf, newurl);
1563                strbuf_release(&name_buf);
1564
1565                return 0;
1566        }
1567
1568        /* Old URL specified. Demand that one matches. */
1569        if (regcomp(&old_regex, oldurl, REG_EXTENDED))
1570                die(_("Invalid old URL pattern: %s"), oldurl);
1571
1572        for (i = 0; i < urlset_nr; i++)
1573                if (!regexec(&old_regex, urlset[i], 0, NULL, 0))
1574                        matches++;
1575                else
1576                        negative_matches++;
1577        if (!delete_mode && !matches)
1578                die(_("No such URL found: %s"), oldurl);
1579        if (delete_mode && !negative_matches && !push_mode)
1580                die(_("Will not delete all non-push URLs"));
1581
1582        regfree(&old_regex);
1583
1584        if (!delete_mode)
1585                git_config_set_multivar(name_buf.buf, newurl, oldurl, 0);
1586        else
1587                git_config_set_multivar(name_buf.buf, NULL, oldurl, 1);
1588        return 0;
1589}
1590
1591int cmd_remote(int argc, const char **argv, const char *prefix)
1592{
1593        struct option options[] = {
1594                OPT__VERBOSE(&verbose, N_("be verbose; must be placed before a subcommand")),
1595                OPT_END()
1596        };
1597        int result;
1598
1599        argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1600                PARSE_OPT_STOP_AT_NON_OPTION);
1601
1602        if (argc < 1)
1603                result = show_all();
1604        else if (!strcmp(argv[0], "add"))
1605                result = add(argc, argv);
1606        else if (!strcmp(argv[0], "rename"))
1607                result = mv(argc, argv);
1608        else if (!strcmp(argv[0], "rm") || !strcmp(argv[0], "remove"))
1609                result = rm(argc, argv);
1610        else if (!strcmp(argv[0], "set-head"))
1611                result = set_head(argc, argv);
1612        else if (!strcmp(argv[0], "set-branches"))
1613                result = set_branches(argc, argv);
1614        else if (!strcmp(argv[0], "get-url"))
1615                result = get_url(argc, argv);
1616        else if (!strcmp(argv[0], "set-url"))
1617                result = set_url(argc, argv);
1618        else if (!strcmp(argv[0], "show"))
1619                result = show(argc, argv);
1620        else if (!strcmp(argv[0], "prune"))
1621                result = prune(argc, argv);
1622        else if (!strcmp(argv[0], "update"))
1623                result = update(argc, argv);
1624        else {
1625                error(_("Unknown subcommand: %s"), argv[0]);
1626                usage_with_options(builtin_remote_usage, options);
1627        }
1628
1629        return result ? 1 : 0;
1630}