builtin / remote.con commit wt-status.h: drop stdio.h include (7a06fb0)
   1#include "builtin.h"
   2#include "config.h"
   3#include "parse-options.h"
   4#include "transport.h"
   5#include "remote.h"
   6#include "string-list.h"
   7#include "strbuf.h"
   8#include "run-command.h"
   9#include "refs.h"
  10#include "refspec.h"
  11#include "object-store.h"
  12#include "argv-array.h"
  13#include "commit-reach.h"
  14
  15static const char * const builtin_remote_usage[] = {
  16        N_("git remote [-v | --verbose]"),
  17        N_("git remote add [-t <branch>] [-m <master>] [-f] [--tags | --no-tags] [--mirror=<fetch|push>] <name> <url>"),
  18        N_("git remote rename <old> <new>"),
  19        N_("git remote remove <name>"),
  20        N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
  21        N_("git remote [-v | --verbose] show [-n] <name>"),
  22        N_("git remote prune [-n | --dry-run] <name>"),
  23        N_("git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]"),
  24        N_("git remote set-branches [--add] <name> <branch>..."),
  25        N_("git remote get-url [--push] [--all] <name>"),
  26        N_("git remote set-url [--push] <name> <newurl> [<oldurl>]"),
  27        N_("git remote set-url --add <name> <newurl>"),
  28        N_("git remote set-url --delete <name> <url>"),
  29        NULL
  30};
  31
  32static const char * const builtin_remote_add_usage[] = {
  33        N_("git remote add [<options>] <name> <url>"),
  34        NULL
  35};
  36
  37static const char * const builtin_remote_rename_usage[] = {
  38        N_("git remote rename <old> <new>"),
  39        NULL
  40};
  41
  42static const char * const builtin_remote_rm_usage[] = {
  43        N_("git remote remove <name>"),
  44        NULL
  45};
  46
  47static const char * const builtin_remote_sethead_usage[] = {
  48        N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
  49        NULL
  50};
  51
  52static const char * const builtin_remote_setbranches_usage[] = {
  53        N_("git remote set-branches <name> <branch>..."),
  54        N_("git remote set-branches --add <name> <branch>..."),
  55        NULL
  56};
  57
  58static const char * const builtin_remote_show_usage[] = {
  59        N_("git remote show [<options>] <name>"),
  60        NULL
  61};
  62
  63static const char * const builtin_remote_prune_usage[] = {
  64        N_("git remote prune [<options>] <name>"),
  65        NULL
  66};
  67
  68static const char * const builtin_remote_update_usage[] = {
  69        N_("git remote update [<options>] [<group> | <remote>]..."),
  70        NULL
  71};
  72
  73static const char * const builtin_remote_geturl_usage[] = {
  74        N_("git remote get-url [--push] [--all] <name>"),
  75        NULL
  76};
  77
  78static const char * const builtin_remote_seturl_usage[] = {
  79        N_("git remote set-url [--push] <name> <newurl> [<oldurl>]"),
  80        N_("git remote set-url --add <name> <newurl>"),
  81        N_("git remote set-url --delete <name> <url>"),
  82        NULL
  83};
  84
  85#define GET_REF_STATES (1<<0)
  86#define GET_HEAD_NAMES (1<<1)
  87#define GET_PUSH_REF_STATES (1<<2)
  88
  89static int verbose;
  90
  91static int fetch_remote(const char *name)
  92{
  93        const char *argv[] = { "fetch", name, NULL, NULL };
  94        if (verbose) {
  95                argv[1] = "-v";
  96                argv[2] = name;
  97        }
  98        printf_ln(_("Updating %s"), name);
  99        if (run_command_v_opt(argv, RUN_GIT_CMD))
 100                return error(_("Could not fetch %s"), name);
 101        return 0;
 102}
 103
 104enum {
 105        TAGS_UNSET = 0,
 106        TAGS_DEFAULT = 1,
 107        TAGS_SET = 2
 108};
 109
 110#define MIRROR_NONE 0
 111#define MIRROR_FETCH 1
 112#define MIRROR_PUSH 2
 113#define MIRROR_BOTH (MIRROR_FETCH|MIRROR_PUSH)
 114
 115static void add_branch(const char *key, const char *branchname,
 116                       const char *remotename, int mirror, struct strbuf *tmp)
 117{
 118        strbuf_reset(tmp);
 119        strbuf_addch(tmp, '+');
 120        if (mirror)
 121                strbuf_addf(tmp, "refs/%s:refs/%s",
 122                                branchname, branchname);
 123        else
 124                strbuf_addf(tmp, "refs/heads/%s:refs/remotes/%s/%s",
 125                                branchname, remotename, branchname);
 126        git_config_set_multivar(key, tmp->buf, "^$", 0);
 127}
 128
 129static const char mirror_advice[] =
 130N_("--mirror is dangerous and deprecated; please\n"
 131   "\t use --mirror=fetch or --mirror=push instead");
 132
 133static int parse_mirror_opt(const struct option *opt, const char *arg, int not)
 134{
 135        unsigned *mirror = opt->value;
 136        if (not)
 137                *mirror = MIRROR_NONE;
 138        else if (!arg) {
 139                warning("%s", _(mirror_advice));
 140                *mirror = MIRROR_BOTH;
 141        }
 142        else if (!strcmp(arg, "fetch"))
 143                *mirror = MIRROR_FETCH;
 144        else if (!strcmp(arg, "push"))
 145                *mirror = MIRROR_PUSH;
 146        else
 147                return error(_("unknown mirror argument: %s"), arg);
 148        return 0;
 149}
 150
 151static int add(int argc, const char **argv)
 152{
 153        int fetch = 0, fetch_tags = TAGS_DEFAULT;
 154        unsigned mirror = MIRROR_NONE;
 155        struct string_list track = STRING_LIST_INIT_NODUP;
 156        const char *master = NULL;
 157        struct remote *remote;
 158        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
 159        const char *name, *url;
 160        int i;
 161
 162        struct option options[] = {
 163                OPT_BOOL('f', "fetch", &fetch, N_("fetch the remote branches")),
 164                OPT_SET_INT(0, "tags", &fetch_tags,
 165                            N_("import all tags and associated objects when fetching"),
 166                            TAGS_SET),
 167                OPT_SET_INT(0, NULL, &fetch_tags,
 168                            N_("or do not fetch any tag at all (--no-tags)"), TAGS_UNSET),
 169                OPT_STRING_LIST('t', "track", &track, N_("branch"),
 170                                N_("branch(es) to track")),
 171                OPT_STRING('m', "master", &master, N_("branch"), N_("master branch")),
 172                { OPTION_CALLBACK, 0, "mirror", &mirror, "(push|fetch)",
 173                        N_("set up remote as a mirror to push to or fetch from"),
 174                        PARSE_OPT_OPTARG | PARSE_OPT_COMP_ARG, parse_mirror_opt },
 175                OPT_END()
 176        };
 177
 178        argc = parse_options(argc, argv, NULL, options, builtin_remote_add_usage,
 179                             0);
 180
 181        if (argc != 2)
 182                usage_with_options(builtin_remote_add_usage, options);
 183
 184        if (mirror && master)
 185                die(_("specifying a master branch makes no sense with --mirror"));
 186        if (mirror && !(mirror & MIRROR_FETCH) && track.nr)
 187                die(_("specifying branches to track makes sense only with fetch mirrors"));
 188
 189        name = argv[0];
 190        url = argv[1];
 191
 192        remote = remote_get(name);
 193        if (remote_is_configured(remote, 1))
 194                die(_("remote %s already exists."), name);
 195
 196        strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
 197        if (!valid_fetch_refspec(buf2.buf))
 198                die(_("'%s' is not a valid remote name"), name);
 199
 200        strbuf_addf(&buf, "remote.%s.url", name);
 201        git_config_set(buf.buf, url);
 202
 203        if (!mirror || mirror & MIRROR_FETCH) {
 204                strbuf_reset(&buf);
 205                strbuf_addf(&buf, "remote.%s.fetch", name);
 206                if (track.nr == 0)
 207                        string_list_append(&track, "*");
 208                for (i = 0; i < track.nr; i++) {
 209                        add_branch(buf.buf, track.items[i].string,
 210                                   name, mirror, &buf2);
 211                }
 212        }
 213
 214        if (mirror & MIRROR_PUSH) {
 215                strbuf_reset(&buf);
 216                strbuf_addf(&buf, "remote.%s.mirror", name);
 217                git_config_set(buf.buf, "true");
 218        }
 219
 220        if (fetch_tags != TAGS_DEFAULT) {
 221                strbuf_reset(&buf);
 222                strbuf_addf(&buf, "remote.%s.tagopt", name);
 223                git_config_set(buf.buf,
 224                               fetch_tags == TAGS_SET ? "--tags" : "--no-tags");
 225        }
 226
 227        if (fetch && fetch_remote(name))
 228                return 1;
 229
 230        if (master) {
 231                strbuf_reset(&buf);
 232                strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
 233
 234                strbuf_reset(&buf2);
 235                strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
 236
 237                if (create_symref(buf.buf, buf2.buf, "remote add"))
 238                        return error(_("Could not setup master '%s'"), master);
 239        }
 240
 241        strbuf_release(&buf);
 242        strbuf_release(&buf2);
 243        string_list_clear(&track, 0);
 244
 245        return 0;
 246}
 247
 248struct branch_info {
 249        char *remote_name;
 250        struct string_list merge;
 251        enum {
 252                NO_REBASE, NORMAL_REBASE, INTERACTIVE_REBASE, REBASE_MERGES
 253        } rebase;
 254};
 255
 256static struct string_list branch_list = STRING_LIST_INIT_NODUP;
 257
 258static const char *abbrev_ref(const char *name, const char *prefix)
 259{
 260        skip_prefix(name, prefix, &name);
 261        return name;
 262}
 263#define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
 264
 265static int config_read_branches(const char *key, const char *value, void *cb)
 266{
 267        if (starts_with(key, "branch.")) {
 268                const char *orig_key = key;
 269                char *name;
 270                struct string_list_item *item;
 271                struct branch_info *info;
 272                enum { REMOTE, MERGE, REBASE } type;
 273                size_t key_len;
 274
 275                key += 7;
 276                if (strip_suffix(key, ".remote", &key_len)) {
 277                        name = xmemdupz(key, key_len);
 278                        type = REMOTE;
 279                } else if (strip_suffix(key, ".merge", &key_len)) {
 280                        name = xmemdupz(key, key_len);
 281                        type = MERGE;
 282                } else if (strip_suffix(key, ".rebase", &key_len)) {
 283                        name = xmemdupz(key, key_len);
 284                        type = REBASE;
 285                } else
 286                        return 0;
 287
 288                item = string_list_insert(&branch_list, name);
 289
 290                if (!item->util)
 291                        item->util = xcalloc(1, sizeof(struct branch_info));
 292                info = item->util;
 293                if (type == REMOTE) {
 294                        if (info->remote_name)
 295                                warning(_("more than one %s"), orig_key);
 296                        info->remote_name = xstrdup(value);
 297                } else if (type == MERGE) {
 298                        char *space = strchr(value, ' ');
 299                        value = abbrev_branch(value);
 300                        while (space) {
 301                                char *merge;
 302                                merge = xstrndup(value, space - value);
 303                                string_list_append(&info->merge, merge);
 304                                value = abbrev_branch(space + 1);
 305                                space = strchr(value, ' ');
 306                        }
 307                        string_list_append(&info->merge, xstrdup(value));
 308                } else {
 309                        int v = git_parse_maybe_bool(value);
 310                        if (v >= 0)
 311                                info->rebase = v;
 312                        else if (!strcmp(value, "preserve"))
 313                                info->rebase = NORMAL_REBASE;
 314                        else if (!strcmp(value, "merges"))
 315                                info->rebase = REBASE_MERGES;
 316                        else if (!strcmp(value, "interactive"))
 317                                info->rebase = INTERACTIVE_REBASE;
 318                }
 319        }
 320        return 0;
 321}
 322
 323static void read_branches(void)
 324{
 325        if (branch_list.nr)
 326                return;
 327        git_config(config_read_branches, NULL);
 328}
 329
 330struct ref_states {
 331        struct remote *remote;
 332        struct string_list new_refs, stale, tracked, heads, push;
 333        int queried;
 334};
 335
 336static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
 337{
 338        struct ref *fetch_map = NULL, **tail = &fetch_map;
 339        struct ref *ref, *stale_refs;
 340        int i;
 341
 342        for (i = 0; i < states->remote->fetch.nr; i++)
 343                if (get_fetch_map(remote_refs, &states->remote->fetch.items[i], &tail, 1))
 344                        die(_("Could not get fetch map for refspec %s"),
 345                                states->remote->fetch.raw[i]);
 346
 347        states->new_refs.strdup_strings = 1;
 348        states->tracked.strdup_strings = 1;
 349        states->stale.strdup_strings = 1;
 350        for (ref = fetch_map; ref; ref = ref->next) {
 351                if (!ref->peer_ref || !ref_exists(ref->peer_ref->name))
 352                        string_list_append(&states->new_refs, abbrev_branch(ref->name));
 353                else
 354                        string_list_append(&states->tracked, abbrev_branch(ref->name));
 355        }
 356        stale_refs = get_stale_heads(&states->remote->fetch, fetch_map);
 357        for (ref = stale_refs; ref; ref = ref->next) {
 358                struct string_list_item *item =
 359                        string_list_append(&states->stale, abbrev_branch(ref->name));
 360                item->util = xstrdup(ref->name);
 361        }
 362        free_refs(stale_refs);
 363        free_refs(fetch_map);
 364
 365        string_list_sort(&states->new_refs);
 366        string_list_sort(&states->tracked);
 367        string_list_sort(&states->stale);
 368
 369        return 0;
 370}
 371
 372struct push_info {
 373        char *dest;
 374        int forced;
 375        enum {
 376                PUSH_STATUS_CREATE = 0,
 377                PUSH_STATUS_DELETE,
 378                PUSH_STATUS_UPTODATE,
 379                PUSH_STATUS_FASTFORWARD,
 380                PUSH_STATUS_OUTOFDATE,
 381                PUSH_STATUS_NOTQUERIED
 382        } status;
 383};
 384
 385static int get_push_ref_states(const struct ref *remote_refs,
 386        struct ref_states *states)
 387{
 388        struct remote *remote = states->remote;
 389        struct ref *ref, *local_refs, *push_map;
 390        if (remote->mirror)
 391                return 0;
 392
 393        local_refs = get_local_heads();
 394        push_map = copy_ref_list(remote_refs);
 395
 396        match_push_refs(local_refs, &push_map, &remote->push, MATCH_REFS_NONE);
 397
 398        states->push.strdup_strings = 1;
 399        for (ref = push_map; ref; ref = ref->next) {
 400                struct string_list_item *item;
 401                struct push_info *info;
 402
 403                if (!ref->peer_ref)
 404                        continue;
 405                oidcpy(&ref->new_oid, &ref->peer_ref->new_oid);
 406
 407                item = string_list_append(&states->push,
 408                                          abbrev_branch(ref->peer_ref->name));
 409                item->util = xcalloc(1, sizeof(struct push_info));
 410                info = item->util;
 411                info->forced = ref->force;
 412                info->dest = xstrdup(abbrev_branch(ref->name));
 413
 414                if (is_null_oid(&ref->new_oid)) {
 415                        info->status = PUSH_STATUS_DELETE;
 416                } else if (oideq(&ref->old_oid, &ref->new_oid))
 417                        info->status = PUSH_STATUS_UPTODATE;
 418                else if (is_null_oid(&ref->old_oid))
 419                        info->status = PUSH_STATUS_CREATE;
 420                else if (has_object_file(&ref->old_oid) &&
 421                         ref_newer(&ref->new_oid, &ref->old_oid))
 422                        info->status = PUSH_STATUS_FASTFORWARD;
 423                else
 424                        info->status = PUSH_STATUS_OUTOFDATE;
 425        }
 426        free_refs(local_refs);
 427        free_refs(push_map);
 428        return 0;
 429}
 430
 431static int get_push_ref_states_noquery(struct ref_states *states)
 432{
 433        int i;
 434        struct remote *remote = states->remote;
 435        struct string_list_item *item;
 436        struct push_info *info;
 437
 438        if (remote->mirror)
 439                return 0;
 440
 441        states->push.strdup_strings = 1;
 442        if (!remote->push.nr) {
 443                item = string_list_append(&states->push, _("(matching)"));
 444                info = item->util = xcalloc(1, sizeof(struct push_info));
 445                info->status = PUSH_STATUS_NOTQUERIED;
 446                info->dest = xstrdup(item->string);
 447        }
 448        for (i = 0; i < remote->push.nr; i++) {
 449                const struct refspec_item *spec = &remote->push.items[i];
 450                if (spec->matching)
 451                        item = string_list_append(&states->push, _("(matching)"));
 452                else if (strlen(spec->src))
 453                        item = string_list_append(&states->push, spec->src);
 454                else
 455                        item = string_list_append(&states->push, _("(delete)"));
 456
 457                info = item->util = xcalloc(1, sizeof(struct push_info));
 458                info->forced = spec->force;
 459                info->status = PUSH_STATUS_NOTQUERIED;
 460                info->dest = xstrdup(spec->dst ? spec->dst : item->string);
 461        }
 462        return 0;
 463}
 464
 465static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
 466{
 467        struct ref *ref, *matches;
 468        struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
 469        struct refspec_item refspec;
 470
 471        refspec.force = 0;
 472        refspec.pattern = 1;
 473        refspec.src = refspec.dst = "refs/heads/*";
 474        states->heads.strdup_strings = 1;
 475        get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
 476        matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
 477                                    fetch_map, 1);
 478        for (ref = matches; ref; ref = ref->next)
 479                string_list_append(&states->heads, abbrev_branch(ref->name));
 480
 481        free_refs(fetch_map);
 482        free_refs(matches);
 483
 484        return 0;
 485}
 486
 487struct known_remote {
 488        struct known_remote *next;
 489        struct remote *remote;
 490};
 491
 492struct known_remotes {
 493        struct remote *to_delete;
 494        struct known_remote *list;
 495};
 496
 497static int add_known_remote(struct remote *remote, void *cb_data)
 498{
 499        struct known_remotes *all = cb_data;
 500        struct known_remote *r;
 501
 502        if (!strcmp(all->to_delete->name, remote->name))
 503                return 0;
 504
 505        r = xmalloc(sizeof(*r));
 506        r->remote = remote;
 507        r->next = all->list;
 508        all->list = r;
 509        return 0;
 510}
 511
 512struct branches_for_remote {
 513        struct remote *remote;
 514        struct string_list *branches, *skipped;
 515        struct known_remotes *keep;
 516};
 517
 518static int add_branch_for_removal(const char *refname,
 519        const struct object_id *oid, int flags, void *cb_data)
 520{
 521        struct branches_for_remote *branches = cb_data;
 522        struct refspec_item refspec;
 523        struct known_remote *kr;
 524
 525        memset(&refspec, 0, sizeof(refspec));
 526        refspec.dst = (char *)refname;
 527        if (remote_find_tracking(branches->remote, &refspec))
 528                return 0;
 529
 530        /* don't delete a branch if another remote also uses it */
 531        for (kr = branches->keep->list; kr; kr = kr->next) {
 532                memset(&refspec, 0, sizeof(refspec));
 533                refspec.dst = (char *)refname;
 534                if (!remote_find_tracking(kr->remote, &refspec))
 535                        return 0;
 536        }
 537
 538        /* don't delete non-remote-tracking refs */
 539        if (!starts_with(refname, "refs/remotes/")) {
 540                /* advise user how to delete local branches */
 541                if (starts_with(refname, "refs/heads/"))
 542                        string_list_append(branches->skipped,
 543                                           abbrev_branch(refname));
 544                /* silently skip over other non-remote refs */
 545                return 0;
 546        }
 547
 548        string_list_append(branches->branches, refname);
 549
 550        return 0;
 551}
 552
 553struct rename_info {
 554        const char *old_name;
 555        const char *new_name;
 556        struct string_list *remote_branches;
 557};
 558
 559static int read_remote_branches(const char *refname,
 560        const struct object_id *oid, int flags, void *cb_data)
 561{
 562        struct rename_info *rename = cb_data;
 563        struct strbuf buf = STRBUF_INIT;
 564        struct string_list_item *item;
 565        int flag;
 566        const char *symref;
 567
 568        strbuf_addf(&buf, "refs/remotes/%s/", rename->old_name);
 569        if (starts_with(refname, buf.buf)) {
 570                item = string_list_append(rename->remote_branches, refname);
 571                symref = resolve_ref_unsafe(refname, RESOLVE_REF_READING,
 572                                            NULL, &flag);
 573                if (symref && (flag & REF_ISSYMREF))
 574                        item->util = xstrdup(symref);
 575                else
 576                        item->util = NULL;
 577        }
 578        strbuf_release(&buf);
 579
 580        return 0;
 581}
 582
 583static int migrate_file(struct remote *remote)
 584{
 585        struct strbuf buf = STRBUF_INIT;
 586        int i;
 587
 588        strbuf_addf(&buf, "remote.%s.url", remote->name);
 589        for (i = 0; i < remote->url_nr; i++)
 590                git_config_set_multivar(buf.buf, remote->url[i], "^$", 0);
 591        strbuf_reset(&buf);
 592        strbuf_addf(&buf, "remote.%s.push", remote->name);
 593        for (i = 0; i < remote->push.raw_nr; i++)
 594                git_config_set_multivar(buf.buf, remote->push.raw[i], "^$", 0);
 595        strbuf_reset(&buf);
 596        strbuf_addf(&buf, "remote.%s.fetch", remote->name);
 597        for (i = 0; i < remote->fetch.raw_nr; i++)
 598                git_config_set_multivar(buf.buf, remote->fetch.raw[i], "^$", 0);
 599        if (remote->origin == REMOTE_REMOTES)
 600                unlink_or_warn(git_path("remotes/%s", remote->name));
 601        else if (remote->origin == REMOTE_BRANCHES)
 602                unlink_or_warn(git_path("branches/%s", remote->name));
 603        strbuf_release(&buf);
 604
 605        return 0;
 606}
 607
 608static int mv(int argc, const char **argv)
 609{
 610        struct option options[] = {
 611                OPT_END()
 612        };
 613        struct remote *oldremote, *newremote;
 614        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT,
 615                old_remote_context = STRBUF_INIT;
 616        struct string_list remote_branches = STRING_LIST_INIT_DUP;
 617        struct rename_info rename;
 618        int i, refspec_updated = 0;
 619
 620        if (argc != 3)
 621                usage_with_options(builtin_remote_rename_usage, options);
 622
 623        rename.old_name = argv[1];
 624        rename.new_name = argv[2];
 625        rename.remote_branches = &remote_branches;
 626
 627        oldremote = remote_get(rename.old_name);
 628        if (!remote_is_configured(oldremote, 1))
 629                die(_("No such remote: '%s'"), rename.old_name);
 630
 631        if (!strcmp(rename.old_name, rename.new_name) && oldremote->origin != REMOTE_CONFIG)
 632                return migrate_file(oldremote);
 633
 634        newremote = remote_get(rename.new_name);
 635        if (remote_is_configured(newremote, 1))
 636                die(_("remote %s already exists."), rename.new_name);
 637
 638        strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new_name);
 639        if (!valid_fetch_refspec(buf.buf))
 640                die(_("'%s' is not a valid remote name"), rename.new_name);
 641
 642        strbuf_reset(&buf);
 643        strbuf_addf(&buf, "remote.%s", rename.old_name);
 644        strbuf_addf(&buf2, "remote.%s", rename.new_name);
 645        if (git_config_rename_section(buf.buf, buf2.buf) < 1)
 646                return error(_("Could not rename config section '%s' to '%s'"),
 647                                buf.buf, buf2.buf);
 648
 649        strbuf_reset(&buf);
 650        strbuf_addf(&buf, "remote.%s.fetch", rename.new_name);
 651        git_config_set_multivar(buf.buf, NULL, NULL, 1);
 652        strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old_name);
 653        for (i = 0; i < oldremote->fetch.raw_nr; i++) {
 654                char *ptr;
 655
 656                strbuf_reset(&buf2);
 657                strbuf_addstr(&buf2, oldremote->fetch.raw[i]);
 658                ptr = strstr(buf2.buf, old_remote_context.buf);
 659                if (ptr) {
 660                        refspec_updated = 1;
 661                        strbuf_splice(&buf2,
 662                                      ptr-buf2.buf + strlen(":refs/remotes/"),
 663                                      strlen(rename.old_name), rename.new_name,
 664                                      strlen(rename.new_name));
 665                } else
 666                        warning(_("Not updating non-default fetch refspec\n"
 667                                  "\t%s\n"
 668                                  "\tPlease update the configuration manually if necessary."),
 669                                buf2.buf);
 670
 671                git_config_set_multivar(buf.buf, buf2.buf, "^$", 0);
 672        }
 673
 674        read_branches();
 675        for (i = 0; i < branch_list.nr; i++) {
 676                struct string_list_item *item = branch_list.items + i;
 677                struct branch_info *info = item->util;
 678                if (info->remote_name && !strcmp(info->remote_name, rename.old_name)) {
 679                        strbuf_reset(&buf);
 680                        strbuf_addf(&buf, "branch.%s.remote", item->string);
 681                        git_config_set(buf.buf, rename.new_name);
 682                }
 683        }
 684
 685        if (!refspec_updated)
 686                return 0;
 687
 688        /*
 689         * First remove symrefs, then rename the rest, finally create
 690         * the new symrefs.
 691         */
 692        for_each_ref(read_remote_branches, &rename);
 693        for (i = 0; i < remote_branches.nr; i++) {
 694                struct string_list_item *item = remote_branches.items + i;
 695                int flag = 0;
 696                struct object_id oid;
 697
 698                read_ref_full(item->string, RESOLVE_REF_READING, &oid, &flag);
 699                if (!(flag & REF_ISSYMREF))
 700                        continue;
 701                if (delete_ref(NULL, item->string, NULL, REF_NO_DEREF))
 702                        die(_("deleting '%s' failed"), item->string);
 703        }
 704        for (i = 0; i < remote_branches.nr; i++) {
 705                struct string_list_item *item = remote_branches.items + i;
 706
 707                if (item->util)
 708                        continue;
 709                strbuf_reset(&buf);
 710                strbuf_addstr(&buf, item->string);
 711                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old_name),
 712                                rename.new_name, strlen(rename.new_name));
 713                strbuf_reset(&buf2);
 714                strbuf_addf(&buf2, "remote: renamed %s to %s",
 715                                item->string, buf.buf);
 716                if (rename_ref(item->string, buf.buf, buf2.buf))
 717                        die(_("renaming '%s' failed"), item->string);
 718        }
 719        for (i = 0; i < remote_branches.nr; i++) {
 720                struct string_list_item *item = remote_branches.items + i;
 721
 722                if (!item->util)
 723                        continue;
 724                strbuf_reset(&buf);
 725                strbuf_addstr(&buf, item->string);
 726                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old_name),
 727                                rename.new_name, strlen(rename.new_name));
 728                strbuf_reset(&buf2);
 729                strbuf_addstr(&buf2, item->util);
 730                strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old_name),
 731                                rename.new_name, strlen(rename.new_name));
 732                strbuf_reset(&buf3);
 733                strbuf_addf(&buf3, "remote: renamed %s to %s",
 734                                item->string, buf.buf);
 735                if (create_symref(buf.buf, buf2.buf, buf3.buf))
 736                        die(_("creating '%s' failed"), buf.buf);
 737        }
 738        string_list_clear(&remote_branches, 1);
 739        return 0;
 740}
 741
 742static int rm(int argc, const char **argv)
 743{
 744        struct option options[] = {
 745                OPT_END()
 746        };
 747        struct remote *remote;
 748        struct strbuf buf = STRBUF_INIT;
 749        struct known_remotes known_remotes = { NULL, NULL };
 750        struct string_list branches = STRING_LIST_INIT_DUP;
 751        struct string_list skipped = STRING_LIST_INIT_DUP;
 752        struct branches_for_remote cb_data;
 753        int i, result;
 754
 755        memset(&cb_data, 0, sizeof(cb_data));
 756        cb_data.branches = &branches;
 757        cb_data.skipped = &skipped;
 758        cb_data.keep = &known_remotes;
 759
 760        if (argc != 2)
 761                usage_with_options(builtin_remote_rm_usage, options);
 762
 763        remote = remote_get(argv[1]);
 764        if (!remote_is_configured(remote, 1))
 765                die(_("No such remote: '%s'"), argv[1]);
 766
 767        known_remotes.to_delete = remote;
 768        for_each_remote(add_known_remote, &known_remotes);
 769
 770        read_branches();
 771        for (i = 0; i < branch_list.nr; i++) {
 772                struct string_list_item *item = branch_list.items + i;
 773                struct branch_info *info = item->util;
 774                if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
 775                        const char *keys[] = { "remote", "merge", NULL }, **k;
 776                        for (k = keys; *k; k++) {
 777                                strbuf_reset(&buf);
 778                                strbuf_addf(&buf, "branch.%s.%s",
 779                                                item->string, *k);
 780                                result = git_config_set_gently(buf.buf, NULL);
 781                                if (result && result != CONFIG_NOTHING_SET)
 782                                        die(_("could not unset '%s'"), buf.buf);
 783                        }
 784                }
 785        }
 786
 787        /*
 788         * We cannot just pass a function to for_each_ref() which deletes
 789         * the branches one by one, since for_each_ref() relies on cached
 790         * refs, which are invalidated when deleting a branch.
 791         */
 792        cb_data.remote = remote;
 793        result = for_each_ref(add_branch_for_removal, &cb_data);
 794        strbuf_release(&buf);
 795
 796        if (!result)
 797                result = delete_refs("remote: remove", &branches, REF_NO_DEREF);
 798        string_list_clear(&branches, 0);
 799
 800        if (skipped.nr) {
 801                fprintf_ln(stderr,
 802                           Q_("Note: A branch outside the refs/remotes/ hierarchy was not removed;\n"
 803                              "to delete it, use:",
 804                              "Note: Some branches outside the refs/remotes/ hierarchy were not removed;\n"
 805                              "to delete them, use:",
 806                              skipped.nr));
 807                for (i = 0; i < skipped.nr; i++)
 808                        fprintf(stderr, "  git branch -d %s\n",
 809                                skipped.items[i].string);
 810        }
 811        string_list_clear(&skipped, 0);
 812
 813        if (!result) {
 814                strbuf_addf(&buf, "remote.%s", remote->name);
 815                if (git_config_rename_section(buf.buf, NULL) < 1)
 816                        return error(_("Could not remove config section '%s'"), buf.buf);
 817        }
 818
 819        return result;
 820}
 821
 822static void clear_push_info(void *util, const char *string)
 823{
 824        struct push_info *info = util;
 825        free(info->dest);
 826        free(info);
 827}
 828
 829static void free_remote_ref_states(struct ref_states *states)
 830{
 831        string_list_clear(&states->new_refs, 0);
 832        string_list_clear(&states->stale, 1);
 833        string_list_clear(&states->tracked, 0);
 834        string_list_clear(&states->heads, 0);
 835        string_list_clear_func(&states->push, clear_push_info);
 836}
 837
 838static int append_ref_to_tracked_list(const char *refname,
 839        const struct object_id *oid, int flags, void *cb_data)
 840{
 841        struct ref_states *states = cb_data;
 842        struct refspec_item refspec;
 843
 844        if (flags & REF_ISSYMREF)
 845                return 0;
 846
 847        memset(&refspec, 0, sizeof(refspec));
 848        refspec.dst = (char *)refname;
 849        if (!remote_find_tracking(states->remote, &refspec))
 850                string_list_append(&states->tracked, abbrev_branch(refspec.src));
 851
 852        return 0;
 853}
 854
 855static int get_remote_ref_states(const char *name,
 856                                 struct ref_states *states,
 857                                 int query)
 858{
 859        struct transport *transport;
 860        const struct ref *remote_refs;
 861
 862        states->remote = remote_get(name);
 863        if (!states->remote)
 864                return error(_("No such remote: '%s'"), name);
 865
 866        read_branches();
 867
 868        if (query) {
 869                transport = transport_get(states->remote, states->remote->url_nr > 0 ?
 870                        states->remote->url[0] : NULL);
 871                remote_refs = transport_get_remote_refs(transport, NULL);
 872                transport_disconnect(transport);
 873
 874                states->queried = 1;
 875                if (query & GET_REF_STATES)
 876                        get_ref_states(remote_refs, states);
 877                if (query & GET_HEAD_NAMES)
 878                        get_head_names(remote_refs, states);
 879                if (query & GET_PUSH_REF_STATES)
 880                        get_push_ref_states(remote_refs, states);
 881        } else {
 882                for_each_ref(append_ref_to_tracked_list, states);
 883                string_list_sort(&states->tracked);
 884                get_push_ref_states_noquery(states);
 885        }
 886
 887        return 0;
 888}
 889
 890struct show_info {
 891        struct string_list *list;
 892        struct ref_states *states;
 893        int width, width2;
 894        int any_rebase;
 895};
 896
 897static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
 898{
 899        struct show_info *info = cb_data;
 900        int n = strlen(item->string);
 901        if (n > info->width)
 902                info->width = n;
 903        string_list_insert(info->list, item->string);
 904        return 0;
 905}
 906
 907static int show_remote_info_item(struct string_list_item *item, void *cb_data)
 908{
 909        struct show_info *info = cb_data;
 910        struct ref_states *states = info->states;
 911        const char *name = item->string;
 912
 913        if (states->queried) {
 914                const char *fmt = "%s";
 915                const char *arg = "";
 916                if (string_list_has_string(&states->new_refs, name)) {
 917                        fmt = _(" new (next fetch will store in remotes/%s)");
 918                        arg = states->remote->name;
 919                } else if (string_list_has_string(&states->tracked, name))
 920                        arg = _(" tracked");
 921                else if (string_list_has_string(&states->stale, name))
 922                        arg = _(" stale (use 'git remote prune' to remove)");
 923                else
 924                        arg = _(" ???");
 925                printf("    %-*s", info->width, name);
 926                printf(fmt, arg);
 927                printf("\n");
 928        } else
 929                printf("    %s\n", name);
 930
 931        return 0;
 932}
 933
 934static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
 935{
 936        struct show_info *show_info = cb_data;
 937        struct ref_states *states = show_info->states;
 938        struct branch_info *branch_info = branch_item->util;
 939        struct string_list_item *item;
 940        int n;
 941
 942        if (!branch_info->merge.nr || !branch_info->remote_name ||
 943            strcmp(states->remote->name, branch_info->remote_name))
 944                return 0;
 945        if ((n = strlen(branch_item->string)) > show_info->width)
 946                show_info->width = n;
 947        if (branch_info->rebase)
 948                show_info->any_rebase = 1;
 949
 950        item = string_list_insert(show_info->list, branch_item->string);
 951        item->util = branch_info;
 952
 953        return 0;
 954}
 955
 956static int show_local_info_item(struct string_list_item *item, void *cb_data)
 957{
 958        struct show_info *show_info = cb_data;
 959        struct branch_info *branch_info = item->util;
 960        struct string_list *merge = &branch_info->merge;
 961        int width = show_info->width + 4;
 962        int i;
 963
 964        if (branch_info->rebase && branch_info->merge.nr > 1) {
 965                error(_("invalid branch.%s.merge; cannot rebase onto > 1 branch"),
 966                        item->string);
 967                return 0;
 968        }
 969
 970        printf("    %-*s ", show_info->width, item->string);
 971        if (branch_info->rebase) {
 972                const char *msg;
 973                if (branch_info->rebase == INTERACTIVE_REBASE)
 974                        msg = _("rebases interactively onto remote %s");
 975                else if (branch_info->rebase == REBASE_MERGES)
 976                        msg = _("rebases interactively (with merges) onto "
 977                                "remote %s");
 978                else
 979                        msg = _("rebases onto remote %s");
 980                printf_ln(msg, merge->items[0].string);
 981                return 0;
 982        } else if (show_info->any_rebase) {
 983                printf_ln(_(" merges with remote %s"), merge->items[0].string);
 984                width++;
 985        } else {
 986                printf_ln(_("merges with remote %s"), merge->items[0].string);
 987        }
 988        for (i = 1; i < merge->nr; i++)
 989                printf(_("%-*s    and with remote %s\n"), width, "",
 990                       merge->items[i].string);
 991
 992        return 0;
 993}
 994
 995static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
 996{
 997        struct show_info *show_info = cb_data;
 998        struct push_info *push_info = push_item->util;
 999        struct string_list_item *item;
1000        int n;
1001        if ((n = strlen(push_item->string)) > show_info->width)
1002                show_info->width = n;
1003        if ((n = strlen(push_info->dest)) > show_info->width2)
1004                show_info->width2 = n;
1005        item = string_list_append(show_info->list, push_item->string);
1006        item->util = push_item->util;
1007        return 0;
1008}
1009
1010/*
1011 * Sorting comparison for a string list that has push_info
1012 * structs in its util field
1013 */
1014static int cmp_string_with_push(const void *va, const void *vb)
1015{
1016        const struct string_list_item *a = va;
1017        const struct string_list_item *b = vb;
1018        const struct push_info *a_push = a->util;
1019        const struct push_info *b_push = b->util;
1020        int cmp = strcmp(a->string, b->string);
1021        return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
1022}
1023
1024static int show_push_info_item(struct string_list_item *item, void *cb_data)
1025{
1026        struct show_info *show_info = cb_data;
1027        struct push_info *push_info = item->util;
1028        const char *src = item->string, *status = NULL;
1029
1030        switch (push_info->status) {
1031        case PUSH_STATUS_CREATE:
1032                status = _("create");
1033                break;
1034        case PUSH_STATUS_DELETE:
1035                status = _("delete");
1036                src = _("(none)");
1037                break;
1038        case PUSH_STATUS_UPTODATE:
1039                status = _("up to date");
1040                break;
1041        case PUSH_STATUS_FASTFORWARD:
1042                status = _("fast-forwardable");
1043                break;
1044        case PUSH_STATUS_OUTOFDATE:
1045                status = _("local out of date");
1046                break;
1047        case PUSH_STATUS_NOTQUERIED:
1048                break;
1049        }
1050        if (status) {
1051                if (push_info->forced)
1052                        printf_ln(_("    %-*s forces to %-*s (%s)"), show_info->width, src,
1053                               show_info->width2, push_info->dest, status);
1054                else
1055                        printf_ln(_("    %-*s pushes to %-*s (%s)"), show_info->width, src,
1056                               show_info->width2, push_info->dest, status);
1057        } else {
1058                if (push_info->forced)
1059                        printf_ln(_("    %-*s forces to %s"), show_info->width, src,
1060                               push_info->dest);
1061                else
1062                        printf_ln(_("    %-*s pushes to %s"), show_info->width, src,
1063                               push_info->dest);
1064        }
1065        return 0;
1066}
1067
1068static int get_one_entry(struct remote *remote, void *priv)
1069{
1070        struct string_list *list = priv;
1071        struct strbuf url_buf = STRBUF_INIT;
1072        const char **url;
1073        int i, url_nr;
1074
1075        if (remote->url_nr > 0) {
1076                strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
1077                string_list_append(list, remote->name)->util =
1078                                strbuf_detach(&url_buf, NULL);
1079        } else
1080                string_list_append(list, remote->name)->util = NULL;
1081        if (remote->pushurl_nr) {
1082                url = remote->pushurl;
1083                url_nr = remote->pushurl_nr;
1084        } else {
1085                url = remote->url;
1086                url_nr = remote->url_nr;
1087        }
1088        for (i = 0; i < url_nr; i++)
1089        {
1090                strbuf_addf(&url_buf, "%s (push)", url[i]);
1091                string_list_append(list, remote->name)->util =
1092                                strbuf_detach(&url_buf, NULL);
1093        }
1094
1095        return 0;
1096}
1097
1098static int show_all(void)
1099{
1100        struct string_list list = STRING_LIST_INIT_NODUP;
1101        int result;
1102
1103        list.strdup_strings = 1;
1104        result = for_each_remote(get_one_entry, &list);
1105
1106        if (!result) {
1107                int i;
1108
1109                string_list_sort(&list);
1110                for (i = 0; i < list.nr; i++) {
1111                        struct string_list_item *item = list.items + i;
1112                        if (verbose)
1113                                printf("%s\t%s\n", item->string,
1114                                        item->util ? (const char *)item->util : "");
1115                        else {
1116                                if (i && !strcmp((item - 1)->string, item->string))
1117                                        continue;
1118                                printf("%s\n", item->string);
1119                        }
1120                }
1121        }
1122        string_list_clear(&list, 1);
1123        return result;
1124}
1125
1126static int show(int argc, const char **argv)
1127{
1128        int no_query = 0, result = 0, query_flag = 0;
1129        struct option options[] = {
1130                OPT_BOOL('n', NULL, &no_query, N_("do not query remotes")),
1131                OPT_END()
1132        };
1133        struct ref_states states;
1134        struct string_list info_list = STRING_LIST_INIT_NODUP;
1135        struct show_info info;
1136
1137        argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
1138                             0);
1139
1140        if (argc < 1)
1141                return show_all();
1142
1143        if (!no_query)
1144                query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
1145
1146        memset(&states, 0, sizeof(states));
1147        memset(&info, 0, sizeof(info));
1148        info.states = &states;
1149        info.list = &info_list;
1150        for (; argc; argc--, argv++) {
1151                int i;
1152                const char **url;
1153                int url_nr;
1154
1155                get_remote_ref_states(*argv, &states, query_flag);
1156
1157                printf_ln(_("* remote %s"), *argv);
1158                printf_ln(_("  Fetch URL: %s"), states.remote->url_nr > 0 ?
1159                       states.remote->url[0] : _("(no URL)"));
1160                if (states.remote->pushurl_nr) {
1161                        url = states.remote->pushurl;
1162                        url_nr = states.remote->pushurl_nr;
1163                } else {
1164                        url = states.remote->url;
1165                        url_nr = states.remote->url_nr;
1166                }
1167                for (i = 0; i < url_nr; i++)
1168                        /*
1169                         * TRANSLATORS: the colon ':' should align
1170                         * with the one in " Fetch URL: %s"
1171                         * translation.
1172                         */
1173                        printf_ln(_("  Push  URL: %s"), url[i]);
1174                if (!i)
1175                        printf_ln(_("  Push  URL: %s"), _("(no URL)"));
1176                if (no_query)
1177                        printf_ln(_("  HEAD branch: %s"), _("(not queried)"));
1178                else if (!states.heads.nr)
1179                        printf_ln(_("  HEAD branch: %s"), _("(unknown)"));
1180                else if (states.heads.nr == 1)
1181                        printf_ln(_("  HEAD branch: %s"), states.heads.items[0].string);
1182                else {
1183                        printf(_("  HEAD branch (remote HEAD is ambiguous,"
1184                                 " may be one of the following):\n"));
1185                        for (i = 0; i < states.heads.nr; i++)
1186                                printf("    %s\n", states.heads.items[i].string);
1187                }
1188
1189                /* remote branch info */
1190                info.width = 0;
1191                for_each_string_list(&states.new_refs, add_remote_to_show_info, &info);
1192                for_each_string_list(&states.tracked, add_remote_to_show_info, &info);
1193                for_each_string_list(&states.stale, add_remote_to_show_info, &info);
1194                if (info.list->nr)
1195                        printf_ln(Q_("  Remote branch:%s",
1196                                     "  Remote branches:%s",
1197                                     info.list->nr),
1198                                  no_query ? _(" (status not queried)") : "");
1199                for_each_string_list(info.list, show_remote_info_item, &info);
1200                string_list_clear(info.list, 0);
1201
1202                /* git pull info */
1203                info.width = 0;
1204                info.any_rebase = 0;
1205                for_each_string_list(&branch_list, add_local_to_show_info, &info);
1206                if (info.list->nr)
1207                        printf_ln(Q_("  Local branch configured for 'git pull':",
1208                                     "  Local branches configured for 'git pull':",
1209                                     info.list->nr));
1210                for_each_string_list(info.list, show_local_info_item, &info);
1211                string_list_clear(info.list, 0);
1212
1213                /* git push info */
1214                if (states.remote->mirror)
1215                        printf_ln(_("  Local refs will be mirrored by 'git push'"));
1216
1217                info.width = info.width2 = 0;
1218                for_each_string_list(&states.push, add_push_to_show_info, &info);
1219                QSORT(info.list->items, info.list->nr, cmp_string_with_push);
1220                if (info.list->nr)
1221                        printf_ln(Q_("  Local ref configured for 'git push'%s:",
1222                                     "  Local refs configured for 'git push'%s:",
1223                                     info.list->nr),
1224                                  no_query ? _(" (status not queried)") : "");
1225                for_each_string_list(info.list, show_push_info_item, &info);
1226                string_list_clear(info.list, 0);
1227
1228                free_remote_ref_states(&states);
1229        }
1230
1231        return result;
1232}
1233
1234static int set_head(int argc, const char **argv)
1235{
1236        int i, opt_a = 0, opt_d = 0, result = 0;
1237        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1238        char *head_name = NULL;
1239
1240        struct option options[] = {
1241                OPT_BOOL('a', "auto", &opt_a,
1242                         N_("set refs/remotes/<name>/HEAD according to remote")),
1243                OPT_BOOL('d', "delete", &opt_d,
1244                         N_("delete refs/remotes/<name>/HEAD")),
1245                OPT_END()
1246        };
1247        argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
1248                             0);
1249        if (argc)
1250                strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1251
1252        if (!opt_a && !opt_d && argc == 2) {
1253                head_name = xstrdup(argv[1]);
1254        } else if (opt_a && !opt_d && argc == 1) {
1255                struct ref_states states;
1256                memset(&states, 0, sizeof(states));
1257                get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1258                if (!states.heads.nr)
1259                        result |= error(_("Cannot determine remote HEAD"));
1260                else if (states.heads.nr > 1) {
1261                        result |= error(_("Multiple remote HEAD branches. "
1262                                          "Please choose one explicitly with:"));
1263                        for (i = 0; i < states.heads.nr; i++)
1264                                fprintf(stderr, "  git remote set-head %s %s\n",
1265                                        argv[0], states.heads.items[i].string);
1266                } else
1267                        head_name = xstrdup(states.heads.items[0].string);
1268                free_remote_ref_states(&states);
1269        } else if (opt_d && !opt_a && argc == 1) {
1270                if (delete_ref(NULL, buf.buf, NULL, REF_NO_DEREF))
1271                        result |= error(_("Could not delete %s"), buf.buf);
1272        } else
1273                usage_with_options(builtin_remote_sethead_usage, options);
1274
1275        if (head_name) {
1276                strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1277                /* make sure it's valid */
1278                if (!ref_exists(buf2.buf))
1279                        result |= error(_("Not a valid ref: %s"), buf2.buf);
1280                else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1281                        result |= error(_("Could not setup %s"), buf.buf);
1282                if (opt_a)
1283                        printf("%s/HEAD set to %s\n", argv[0], head_name);
1284                free(head_name);
1285        }
1286
1287        strbuf_release(&buf);
1288        strbuf_release(&buf2);
1289        return result;
1290}
1291
1292static int prune_remote(const char *remote, int dry_run)
1293{
1294        int result = 0;
1295        struct ref_states states;
1296        struct string_list refs_to_prune = STRING_LIST_INIT_NODUP;
1297        struct string_list_item *item;
1298        const char *dangling_msg = dry_run
1299                ? _(" %s will become dangling!")
1300                : _(" %s has become dangling!");
1301
1302        memset(&states, 0, sizeof(states));
1303        get_remote_ref_states(remote, &states, GET_REF_STATES);
1304
1305        if (!states.stale.nr) {
1306                free_remote_ref_states(&states);
1307                return 0;
1308        }
1309
1310        printf_ln(_("Pruning %s"), remote);
1311        printf_ln(_("URL: %s"),
1312                  states.remote->url_nr
1313                  ? states.remote->url[0]
1314                  : _("(no URL)"));
1315
1316        for_each_string_list_item(item, &states.stale)
1317                string_list_append(&refs_to_prune, item->util);
1318        string_list_sort(&refs_to_prune);
1319
1320        if (!dry_run)
1321                result |= delete_refs("remote: prune", &refs_to_prune, 0);
1322
1323        for_each_string_list_item(item, &states.stale) {
1324                const char *refname = item->util;
1325
1326                if (dry_run)
1327                        printf_ln(_(" * [would prune] %s"),
1328                               abbrev_ref(refname, "refs/remotes/"));
1329                else
1330                        printf_ln(_(" * [pruned] %s"),
1331                               abbrev_ref(refname, "refs/remotes/"));
1332        }
1333
1334        warn_dangling_symrefs(stdout, dangling_msg, &refs_to_prune);
1335
1336        string_list_clear(&refs_to_prune, 0);
1337        free_remote_ref_states(&states);
1338        return result;
1339}
1340
1341static int prune(int argc, const char **argv)
1342{
1343        int dry_run = 0, result = 0;
1344        struct option options[] = {
1345                OPT__DRY_RUN(&dry_run, N_("dry run")),
1346                OPT_END()
1347        };
1348
1349        argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
1350                             0);
1351
1352        if (argc < 1)
1353                usage_with_options(builtin_remote_prune_usage, options);
1354
1355        for (; argc; argc--, argv++)
1356                result |= prune_remote(*argv, dry_run);
1357
1358        return result;
1359}
1360
1361static int get_remote_default(const char *key, const char *value, void *priv)
1362{
1363        if (strcmp(key, "remotes.default") == 0) {
1364                int *found = priv;
1365                *found = 1;
1366        }
1367        return 0;
1368}
1369
1370static int update(int argc, const char **argv)
1371{
1372        int i, prune = -1;
1373        struct option options[] = {
1374                OPT_BOOL('p', "prune", &prune,
1375                         N_("prune remotes after fetching")),
1376                OPT_END()
1377        };
1378        struct argv_array fetch_argv = ARGV_ARRAY_INIT;
1379        int default_defined = 0;
1380        int retval;
1381
1382        argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1383                             PARSE_OPT_KEEP_ARGV0);
1384
1385        argv_array_push(&fetch_argv, "fetch");
1386
1387        if (prune != -1)
1388                argv_array_push(&fetch_argv, prune ? "--prune" : "--no-prune");
1389        if (verbose)
1390                argv_array_push(&fetch_argv, "-v");
1391        argv_array_push(&fetch_argv, "--multiple");
1392        if (argc < 2)
1393                argv_array_push(&fetch_argv, "default");
1394        for (i = 1; i < argc; i++)
1395                argv_array_push(&fetch_argv, argv[i]);
1396
1397        if (strcmp(fetch_argv.argv[fetch_argv.argc-1], "default") == 0) {
1398                git_config(get_remote_default, &default_defined);
1399                if (!default_defined) {
1400                        argv_array_pop(&fetch_argv);
1401                        argv_array_push(&fetch_argv, "--all");
1402                }
1403        }
1404
1405        retval = run_command_v_opt(fetch_argv.argv, RUN_GIT_CMD);
1406        argv_array_clear(&fetch_argv);
1407        return retval;
1408}
1409
1410static int remove_all_fetch_refspecs(const char *remote, const char *key)
1411{
1412        return git_config_set_multivar_gently(key, NULL, NULL, 1);
1413}
1414
1415static void add_branches(struct remote *remote, const char **branches,
1416                         const char *key)
1417{
1418        const char *remotename = remote->name;
1419        int mirror = remote->mirror;
1420        struct strbuf refspec = STRBUF_INIT;
1421
1422        for (; *branches; branches++)
1423                add_branch(key, *branches, remotename, mirror, &refspec);
1424
1425        strbuf_release(&refspec);
1426}
1427
1428static int set_remote_branches(const char *remotename, const char **branches,
1429                                int add_mode)
1430{
1431        struct strbuf key = STRBUF_INIT;
1432        struct remote *remote;
1433
1434        strbuf_addf(&key, "remote.%s.fetch", remotename);
1435
1436        remote = remote_get(remotename);
1437        if (!remote_is_configured(remote, 1))
1438                die(_("No such remote '%s'"), remotename);
1439
1440        if (!add_mode && remove_all_fetch_refspecs(remotename, key.buf)) {
1441                strbuf_release(&key);
1442                return 1;
1443        }
1444        add_branches(remote, branches, key.buf);
1445
1446        strbuf_release(&key);
1447        return 0;
1448}
1449
1450static int set_branches(int argc, const char **argv)
1451{
1452        int add_mode = 0;
1453        struct option options[] = {
1454                OPT_BOOL('\0', "add", &add_mode, N_("add branch")),
1455                OPT_END()
1456        };
1457
1458        argc = parse_options(argc, argv, NULL, options,
1459                             builtin_remote_setbranches_usage, 0);
1460        if (argc == 0) {
1461                error(_("no remote specified"));
1462                usage_with_options(builtin_remote_setbranches_usage, options);
1463        }
1464        argv[argc] = NULL;
1465
1466        return set_remote_branches(argv[0], argv + 1, add_mode);
1467}
1468
1469static int get_url(int argc, const char **argv)
1470{
1471        int i, push_mode = 0, all_mode = 0;
1472        const char *remotename = NULL;
1473        struct remote *remote;
1474        const char **url;
1475        int url_nr;
1476        struct option options[] = {
1477                OPT_BOOL('\0', "push", &push_mode,
1478                         N_("query push URLs rather than fetch URLs")),
1479                OPT_BOOL('\0', "all", &all_mode,
1480                         N_("return all URLs")),
1481                OPT_END()
1482        };
1483        argc = parse_options(argc, argv, NULL, options, builtin_remote_geturl_usage, 0);
1484
1485        if (argc != 1)
1486                usage_with_options(builtin_remote_geturl_usage, options);
1487
1488        remotename = argv[0];
1489
1490        remote = remote_get(remotename);
1491        if (!remote_is_configured(remote, 1))
1492                die(_("No such remote '%s'"), remotename);
1493
1494        url_nr = 0;
1495        if (push_mode) {
1496                url = remote->pushurl;
1497                url_nr = remote->pushurl_nr;
1498        }
1499        /* else fetch mode */
1500
1501        /* Use the fetch URL when no push URLs were found or requested. */
1502        if (!url_nr) {
1503                url = remote->url;
1504                url_nr = remote->url_nr;
1505        }
1506
1507        if (!url_nr)
1508                die(_("no URLs configured for remote '%s'"), remotename);
1509
1510        if (all_mode) {
1511                for (i = 0; i < url_nr; i++)
1512                        printf_ln("%s", url[i]);
1513        } else {
1514                printf_ln("%s", *url);
1515        }
1516
1517        return 0;
1518}
1519
1520static int set_url(int argc, const char **argv)
1521{
1522        int i, push_mode = 0, add_mode = 0, delete_mode = 0;
1523        int matches = 0, negative_matches = 0;
1524        const char *remotename = NULL;
1525        const char *newurl = NULL;
1526        const char *oldurl = NULL;
1527        struct remote *remote;
1528        regex_t old_regex;
1529        const char **urlset;
1530        int urlset_nr;
1531        struct strbuf name_buf = STRBUF_INIT;
1532        struct option options[] = {
1533                OPT_BOOL('\0', "push", &push_mode,
1534                         N_("manipulate push URLs")),
1535                OPT_BOOL('\0', "add", &add_mode,
1536                         N_("add URL")),
1537                OPT_BOOL('\0', "delete", &delete_mode,
1538                            N_("delete URLs")),
1539                OPT_END()
1540        };
1541        argc = parse_options(argc, argv, NULL, options, builtin_remote_seturl_usage,
1542                             PARSE_OPT_KEEP_ARGV0);
1543
1544        if (add_mode && delete_mode)
1545                die(_("--add --delete doesn't make sense"));
1546
1547        if (argc < 3 || argc > 4 || ((add_mode || delete_mode) && argc != 3))
1548                usage_with_options(builtin_remote_seturl_usage, options);
1549
1550        remotename = argv[1];
1551        newurl = argv[2];
1552        if (argc > 3)
1553                oldurl = argv[3];
1554
1555        if (delete_mode)
1556                oldurl = newurl;
1557
1558        remote = remote_get(remotename);
1559        if (!remote_is_configured(remote, 1))
1560                die(_("No such remote '%s'"), remotename);
1561
1562        if (push_mode) {
1563                strbuf_addf(&name_buf, "remote.%s.pushurl", remotename);
1564                urlset = remote->pushurl;
1565                urlset_nr = remote->pushurl_nr;
1566        } else {
1567                strbuf_addf(&name_buf, "remote.%s.url", remotename);
1568                urlset = remote->url;
1569                urlset_nr = remote->url_nr;
1570        }
1571
1572        /* Special cases that add new entry. */
1573        if ((!oldurl && !delete_mode) || add_mode) {
1574                if (add_mode)
1575                        git_config_set_multivar(name_buf.buf, newurl,
1576                                                       "^$", 0);
1577                else
1578                        git_config_set(name_buf.buf, newurl);
1579                goto out;
1580        }
1581
1582        /* Old URL specified. Demand that one matches. */
1583        if (regcomp(&old_regex, oldurl, REG_EXTENDED))
1584                die(_("Invalid old URL pattern: %s"), oldurl);
1585
1586        for (i = 0; i < urlset_nr; i++)
1587                if (!regexec(&old_regex, urlset[i], 0, NULL, 0))
1588                        matches++;
1589                else
1590                        negative_matches++;
1591        if (!delete_mode && !matches)
1592                die(_("No such URL found: %s"), oldurl);
1593        if (delete_mode && !negative_matches && !push_mode)
1594                die(_("Will not delete all non-push URLs"));
1595
1596        regfree(&old_regex);
1597
1598        if (!delete_mode)
1599                git_config_set_multivar(name_buf.buf, newurl, oldurl, 0);
1600        else
1601                git_config_set_multivar(name_buf.buf, NULL, oldurl, 1);
1602out:
1603        strbuf_release(&name_buf);
1604        return 0;
1605}
1606
1607int cmd_remote(int argc, const char **argv, const char *prefix)
1608{
1609        struct option options[] = {
1610                OPT__VERBOSE(&verbose, N_("be verbose; must be placed before a subcommand")),
1611                OPT_END()
1612        };
1613        int result;
1614
1615        argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1616                PARSE_OPT_STOP_AT_NON_OPTION);
1617
1618        if (argc < 1)
1619                result = show_all();
1620        else if (!strcmp(argv[0], "add"))
1621                result = add(argc, argv);
1622        else if (!strcmp(argv[0], "rename"))
1623                result = mv(argc, argv);
1624        else if (!strcmp(argv[0], "rm") || !strcmp(argv[0], "remove"))
1625                result = rm(argc, argv);
1626        else if (!strcmp(argv[0], "set-head"))
1627                result = set_head(argc, argv);
1628        else if (!strcmp(argv[0], "set-branches"))
1629                result = set_branches(argc, argv);
1630        else if (!strcmp(argv[0], "get-url"))
1631                result = get_url(argc, argv);
1632        else if (!strcmp(argv[0], "set-url"))
1633                result = set_url(argc, argv);
1634        else if (!strcmp(argv[0], "show"))
1635                result = show(argc, argv);
1636        else if (!strcmp(argv[0], "prune"))
1637                result = prune(argc, argv);
1638        else if (!strcmp(argv[0], "update"))
1639                result = update(argc, argv);
1640        else {
1641                error(_("Unknown subcommand: %s"), argv[0]);
1642                usage_with_options(builtin_remote_usage, options);
1643        }
1644
1645        return result ? 1 : 0;
1646}