84802cd0a1c8e96b66ee951460976c1cf2ebf688
   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 set-url [--push] <name> <newurl> [<oldurl>]"),
  22        N_("git remote set-url --add <name> <newurl>"),
  23        N_("git remote set-url --delete <name> <url>"),
  24        NULL
  25};
  26
  27static const char * const builtin_remote_add_usage[] = {
  28        N_("git remote add [<options>] <name> <url>"),
  29        NULL
  30};
  31
  32static const char * const builtin_remote_rename_usage[] = {
  33        N_("git remote rename <old> <new>"),
  34        NULL
  35};
  36
  37static const char * const builtin_remote_rm_usage[] = {
  38        N_("git remote remove <name>"),
  39        NULL
  40};
  41
  42static const char * const builtin_remote_sethead_usage[] = {
  43        N_("git remote set-head <name> (-a | --auto | -d | --delete | <branch>)"),
  44        NULL
  45};
  46
  47static const char * const builtin_remote_setbranches_usage[] = {
  48        N_("git remote set-branches <name> <branch>..."),
  49        N_("git remote set-branches --add <name> <branch>..."),
  50        NULL
  51};
  52
  53static const char * const builtin_remote_show_usage[] = {
  54        N_("git remote show [<options>] <name>"),
  55        NULL
  56};
  57
  58static const char * const builtin_remote_prune_usage[] = {
  59        N_("git remote prune [<options>] <name>"),
  60        NULL
  61};
  62
  63static const char * const builtin_remote_update_usage[] = {
  64        N_("git remote update [<options>] [<group> | <remote>]..."),
  65        NULL
  66};
  67
  68static const char * const builtin_remote_seturl_usage[] = {
  69        N_("git remote set-url [--push] <name> <newurl> [<oldurl>]"),
  70        N_("git remote set-url --add <name> <newurl>"),
  71        N_("git remote set-url --delete <name> <url>"),
  72        NULL
  73};
  74
  75#define GET_REF_STATES (1<<0)
  76#define GET_HEAD_NAMES (1<<1)
  77#define GET_PUSH_REF_STATES (1<<2)
  78
  79static int verbose;
  80
  81static int fetch_remote(const char *name)
  82{
  83        const char *argv[] = { "fetch", name, NULL, NULL };
  84        if (verbose) {
  85                argv[1] = "-v";
  86                argv[2] = name;
  87        }
  88        printf_ln(_("Updating %s"), name);
  89        if (run_command_v_opt(argv, RUN_GIT_CMD))
  90                return error(_("Could not fetch %s"), name);
  91        return 0;
  92}
  93
  94enum {
  95        TAGS_UNSET = 0,
  96        TAGS_DEFAULT = 1,
  97        TAGS_SET = 2
  98};
  99
 100#define MIRROR_NONE 0
 101#define MIRROR_FETCH 1
 102#define MIRROR_PUSH 2
 103#define MIRROR_BOTH (MIRROR_FETCH|MIRROR_PUSH)
 104
 105static int add_branch(const char *key, const char *branchname,
 106                const char *remotename, int mirror, struct strbuf *tmp)
 107{
 108        strbuf_reset(tmp);
 109        strbuf_addch(tmp, '+');
 110        if (mirror)
 111                strbuf_addf(tmp, "refs/%s:refs/%s",
 112                                branchname, branchname);
 113        else
 114                strbuf_addf(tmp, "refs/heads/%s:refs/remotes/%s/%s",
 115                                branchname, remotename, branchname);
 116        return git_config_set_multivar(key, tmp->buf, "^$", 0);
 117}
 118
 119static const char mirror_advice[] =
 120N_("--mirror is dangerous and deprecated; please\n"
 121   "\t use --mirror=fetch or --mirror=push instead");
 122
 123static int parse_mirror_opt(const struct option *opt, const char *arg, int not)
 124{
 125        unsigned *mirror = opt->value;
 126        if (not)
 127                *mirror = MIRROR_NONE;
 128        else if (!arg) {
 129                warning("%s", _(mirror_advice));
 130                *mirror = MIRROR_BOTH;
 131        }
 132        else if (!strcmp(arg, "fetch"))
 133                *mirror = MIRROR_FETCH;
 134        else if (!strcmp(arg, "push"))
 135                *mirror = MIRROR_PUSH;
 136        else
 137                return error(_("unknown mirror argument: %s"), arg);
 138        return 0;
 139}
 140
 141static int add(int argc, const char **argv)
 142{
 143        int fetch = 0, fetch_tags = TAGS_DEFAULT;
 144        unsigned mirror = MIRROR_NONE;
 145        struct string_list track = STRING_LIST_INIT_NODUP;
 146        const char *master = NULL;
 147        struct remote *remote;
 148        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
 149        const char *name, *url;
 150        int i;
 151
 152        struct option options[] = {
 153                OPT_BOOL('f', "fetch", &fetch, N_("fetch the remote branches")),
 154                OPT_SET_INT(0, "tags", &fetch_tags,
 155                            N_("import all tags and associated objects when fetching"),
 156                            TAGS_SET),
 157                OPT_SET_INT(0, NULL, &fetch_tags,
 158                            N_("or do not fetch any tag at all (--no-tags)"), TAGS_UNSET),
 159                OPT_STRING_LIST('t', "track", &track, N_("branch"),
 160                                N_("branch(es) to track")),
 161                OPT_STRING('m', "master", &master, N_("branch"), N_("master branch")),
 162                { OPTION_CALLBACK, 0, "mirror", &mirror, N_("push|fetch"),
 163                        N_("set up remote as a mirror to push to or fetch from"),
 164                        PARSE_OPT_OPTARG, parse_mirror_opt },
 165                OPT_END()
 166        };
 167
 168        argc = parse_options(argc, argv, NULL, options, builtin_remote_add_usage,
 169                             0);
 170
 171        if (argc != 2)
 172                usage_with_options(builtin_remote_add_usage, options);
 173
 174        if (mirror && master)
 175                die(_("specifying a master branch makes no sense with --mirror"));
 176        if (mirror && !(mirror & MIRROR_FETCH) && track.nr)
 177                die(_("specifying branches to track makes sense only with fetch mirrors"));
 178
 179        name = argv[0];
 180        url = argv[1];
 181
 182        remote = remote_get(name);
 183        if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
 184                        remote->fetch_refspec_nr))
 185                die(_("remote %s already exists."), name);
 186
 187        strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
 188        if (!valid_fetch_refspec(buf2.buf))
 189                die(_("'%s' is not a valid remote name"), name);
 190
 191        strbuf_addf(&buf, "remote.%s.url", name);
 192        if (git_config_set(buf.buf, url))
 193                return 1;
 194
 195        if (!mirror || mirror & MIRROR_FETCH) {
 196                strbuf_reset(&buf);
 197                strbuf_addf(&buf, "remote.%s.fetch", name);
 198                if (track.nr == 0)
 199                        string_list_append(&track, "*");
 200                for (i = 0; i < track.nr; i++) {
 201                        if (add_branch(buf.buf, track.items[i].string,
 202                                       name, mirror, &buf2))
 203                                return 1;
 204                }
 205        }
 206
 207        if (mirror & MIRROR_PUSH) {
 208                strbuf_reset(&buf);
 209                strbuf_addf(&buf, "remote.%s.mirror", name);
 210                if (git_config_set(buf.buf, "true"))
 211                        return 1;
 212        }
 213
 214        if (fetch_tags != TAGS_DEFAULT) {
 215                strbuf_reset(&buf);
 216                strbuf_addf(&buf, "remote.%s.tagopt", name);
 217                if (git_config_set(buf.buf,
 218                        fetch_tags == TAGS_SET ? "--tags" : "--no-tags"))
 219                        return 1;
 220        }
 221
 222        if (fetch && fetch_remote(name))
 223                return 1;
 224
 225        if (master) {
 226                strbuf_reset(&buf);
 227                strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
 228
 229                strbuf_reset(&buf2);
 230                strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
 231
 232                if (create_symref(buf.buf, buf2.buf, "remote add"))
 233                        return error(_("Could not setup master '%s'"), master);
 234        }
 235
 236        strbuf_release(&buf);
 237        strbuf_release(&buf2);
 238        string_list_clear(&track, 0);
 239
 240        return 0;
 241}
 242
 243struct branch_info {
 244        char *remote_name;
 245        struct string_list merge;
 246        int rebase;
 247};
 248
 249static struct string_list branch_list;
 250
 251static const char *abbrev_ref(const char *name, const char *prefix)
 252{
 253        const char *abbrev = skip_prefix(name, prefix);
 254        if (abbrev)
 255                return abbrev;
 256        return name;
 257}
 258#define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
 259
 260static int config_read_branches(const char *key, const char *value, void *cb)
 261{
 262        if (starts_with(key, "branch.")) {
 263                const char *orig_key = key;
 264                char *name;
 265                struct string_list_item *item;
 266                struct branch_info *info;
 267                enum { REMOTE, MERGE, REBASE } type;
 268
 269                key += 7;
 270                if (ends_with(key, ".remote")) {
 271                        name = xstrndup(key, strlen(key) - 7);
 272                        type = REMOTE;
 273                } else if (ends_with(key, ".merge")) {
 274                        name = xstrndup(key, strlen(key) - 6);
 275                        type = MERGE;
 276                } else if (ends_with(key, ".rebase")) {
 277                        name = xstrndup(key, strlen(key) - 7);
 278                        type = REBASE;
 279                } else
 280                        return 0;
 281
 282                item = string_list_insert(&branch_list, name);
 283
 284                if (!item->util)
 285                        item->util = xcalloc(sizeof(struct branch_info), 1);
 286                info = item->util;
 287                if (type == REMOTE) {
 288                        if (info->remote_name)
 289                                warning(_("more than one %s"), orig_key);
 290                        info->remote_name = xstrdup(value);
 291                } else if (type == MERGE) {
 292                        char *space = strchr(value, ' ');
 293                        value = abbrev_branch(value);
 294                        while (space) {
 295                                char *merge;
 296                                merge = xstrndup(value, space - value);
 297                                string_list_append(&info->merge, merge);
 298                                value = abbrev_branch(space + 1);
 299                                space = strchr(value, ' ');
 300                        }
 301                        string_list_append(&info->merge, xstrdup(value));
 302                } else {
 303                        int v = git_config_maybe_bool(orig_key, value);
 304                        if (v >= 0)
 305                                info->rebase = v;
 306                        else if (!strcmp(value, "preserve"))
 307                                info->rebase = 1;
 308                }
 309        }
 310        return 0;
 311}
 312
 313static void read_branches(void)
 314{
 315        if (branch_list.nr)
 316                return;
 317        git_config(config_read_branches, NULL);
 318}
 319
 320struct ref_states {
 321        struct remote *remote;
 322        struct string_list new, stale, tracked, heads, push;
 323        int queried;
 324};
 325
 326static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
 327{
 328        struct ref *fetch_map = NULL, **tail = &fetch_map;
 329        struct ref *ref, *stale_refs;
 330        int i;
 331
 332        for (i = 0; i < states->remote->fetch_refspec_nr; i++)
 333                if (get_fetch_map(remote_refs, states->remote->fetch + i, &tail, 1))
 334                        die(_("Could not get fetch map for refspec %s"),
 335                                states->remote->fetch_refspec[i]);
 336
 337        states->new.strdup_strings = 1;
 338        states->tracked.strdup_strings = 1;
 339        states->stale.strdup_strings = 1;
 340        for (ref = fetch_map; ref; ref = ref->next) {
 341                if (!ref->peer_ref || !ref_exists(ref->peer_ref->name))
 342                        string_list_append(&states->new, abbrev_branch(ref->name));
 343                else
 344                        string_list_append(&states->tracked, abbrev_branch(ref->name));
 345        }
 346        stale_refs = get_stale_heads(states->remote->fetch,
 347                                     states->remote->fetch_refspec_nr, fetch_map);
 348        for (ref = stale_refs; ref; ref = ref->next) {
 349                struct string_list_item *item =
 350                        string_list_append(&states->stale, abbrev_branch(ref->name));
 351                item->util = xstrdup(ref->name);
 352        }
 353        free_refs(stale_refs);
 354        free_refs(fetch_map);
 355
 356        sort_string_list(&states->new);
 357        sort_string_list(&states->tracked);
 358        sort_string_list(&states->stale);
 359
 360        return 0;
 361}
 362
 363struct push_info {
 364        char *dest;
 365        int forced;
 366        enum {
 367                PUSH_STATUS_CREATE = 0,
 368                PUSH_STATUS_DELETE,
 369                PUSH_STATUS_UPTODATE,
 370                PUSH_STATUS_FASTFORWARD,
 371                PUSH_STATUS_OUTOFDATE,
 372                PUSH_STATUS_NOTQUERIED
 373        } status;
 374};
 375
 376static int get_push_ref_states(const struct ref *remote_refs,
 377        struct ref_states *states)
 378{
 379        struct remote *remote = states->remote;
 380        struct ref *ref, *local_refs, *push_map;
 381        if (remote->mirror)
 382                return 0;
 383
 384        local_refs = get_local_heads();
 385        push_map = copy_ref_list(remote_refs);
 386
 387        match_push_refs(local_refs, &push_map, remote->push_refspec_nr,
 388                        remote->push_refspec, MATCH_REFS_NONE);
 389
 390        states->push.strdup_strings = 1;
 391        for (ref = push_map; ref; ref = ref->next) {
 392                struct string_list_item *item;
 393                struct push_info *info;
 394
 395                if (!ref->peer_ref)
 396                        continue;
 397                hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
 398
 399                item = string_list_append(&states->push,
 400                                          abbrev_branch(ref->peer_ref->name));
 401                item->util = xcalloc(sizeof(struct push_info), 1);
 402                info = item->util;
 403                info->forced = ref->force;
 404                info->dest = xstrdup(abbrev_branch(ref->name));
 405
 406                if (is_null_sha1(ref->new_sha1)) {
 407                        info->status = PUSH_STATUS_DELETE;
 408                } else if (!hashcmp(ref->old_sha1, ref->new_sha1))
 409                        info->status = PUSH_STATUS_UPTODATE;
 410                else if (is_null_sha1(ref->old_sha1))
 411                        info->status = PUSH_STATUS_CREATE;
 412                else if (has_sha1_file(ref->old_sha1) &&
 413                         ref_newer(ref->new_sha1, ref->old_sha1))
 414                        info->status = PUSH_STATUS_FASTFORWARD;
 415                else
 416                        info->status = PUSH_STATUS_OUTOFDATE;
 417        }
 418        free_refs(local_refs);
 419        free_refs(push_map);
 420        return 0;
 421}
 422
 423static int get_push_ref_states_noquery(struct ref_states *states)
 424{
 425        int i;
 426        struct remote *remote = states->remote;
 427        struct string_list_item *item;
 428        struct push_info *info;
 429
 430        if (remote->mirror)
 431                return 0;
 432
 433        states->push.strdup_strings = 1;
 434        if (!remote->push_refspec_nr) {
 435                item = string_list_append(&states->push, _("(matching)"));
 436                info = item->util = xcalloc(sizeof(struct push_info), 1);
 437                info->status = PUSH_STATUS_NOTQUERIED;
 438                info->dest = xstrdup(item->string);
 439        }
 440        for (i = 0; i < remote->push_refspec_nr; i++) {
 441                struct refspec *spec = remote->push + i;
 442                if (spec->matching)
 443                        item = string_list_append(&states->push, _("(matching)"));
 444                else if (strlen(spec->src))
 445                        item = string_list_append(&states->push, spec->src);
 446                else
 447                        item = string_list_append(&states->push, _("(delete)"));
 448
 449                info = item->util = xcalloc(sizeof(struct push_info), 1);
 450                info->forced = spec->force;
 451                info->status = PUSH_STATUS_NOTQUERIED;
 452                info->dest = xstrdup(spec->dst ? spec->dst : item->string);
 453        }
 454        return 0;
 455}
 456
 457static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
 458{
 459        struct ref *ref, *matches;
 460        struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
 461        struct refspec refspec;
 462
 463        refspec.force = 0;
 464        refspec.pattern = 1;
 465        refspec.src = refspec.dst = "refs/heads/*";
 466        states->heads.strdup_strings = 1;
 467        get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
 468        matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
 469                                    fetch_map, 1);
 470        for (ref = matches; ref; ref = ref->next)
 471                string_list_append(&states->heads, abbrev_branch(ref->name));
 472
 473        free_refs(fetch_map);
 474        free_refs(matches);
 475
 476        return 0;
 477}
 478
 479struct known_remote {
 480        struct known_remote *next;
 481        struct remote *remote;
 482};
 483
 484struct known_remotes {
 485        struct remote *to_delete;
 486        struct known_remote *list;
 487};
 488
 489static int add_known_remote(struct remote *remote, void *cb_data)
 490{
 491        struct known_remotes *all = cb_data;
 492        struct known_remote *r;
 493
 494        if (!strcmp(all->to_delete->name, remote->name))
 495                return 0;
 496
 497        r = xmalloc(sizeof(*r));
 498        r->remote = remote;
 499        r->next = all->list;
 500        all->list = r;
 501        return 0;
 502}
 503
 504struct branches_for_remote {
 505        struct remote *remote;
 506        struct string_list *branches, *skipped;
 507        struct known_remotes *keep;
 508};
 509
 510static int add_branch_for_removal(const char *refname,
 511        const unsigned char *sha1, int flags, void *cb_data)
 512{
 513        struct branches_for_remote *branches = cb_data;
 514        struct refspec refspec;
 515        struct string_list_item *item;
 516        struct known_remote *kr;
 517
 518        memset(&refspec, 0, sizeof(refspec));
 519        refspec.dst = (char *)refname;
 520        if (remote_find_tracking(branches->remote, &refspec))
 521                return 0;
 522
 523        /* don't delete a branch if another remote also uses it */
 524        for (kr = branches->keep->list; kr; kr = kr->next) {
 525                memset(&refspec, 0, sizeof(refspec));
 526                refspec.dst = (char *)refname;
 527                if (!remote_find_tracking(kr->remote, &refspec))
 528                        return 0;
 529        }
 530
 531        /* don't delete non-remote-tracking refs */
 532        if (!starts_with(refname, "refs/remotes/")) {
 533                /* advise user how to delete local branches */
 534                if (starts_with(refname, "refs/heads/"))
 535                        string_list_append(branches->skipped,
 536                                           abbrev_branch(refname));
 537                /* silently skip over other non-remote refs */
 538                return 0;
 539        }
 540
 541        /* make sure that symrefs are deleted */
 542        if (flags & REF_ISSYMREF)
 543                return unlink(git_path("%s", refname));
 544
 545        item = string_list_append(branches->branches, refname);
 546        item->util = xmalloc(20);
 547        hashcpy(item->util, sha1);
 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 unsigned char *sha1, 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        unsigned char orig_sha1[20];
 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, orig_sha1, 1, &flag);
 572                if (flag & REF_ISSYMREF)
 573                        item->util = xstrdup(symref);
 574                else
 575                        item->util = NULL;
 576        }
 577
 578        return 0;
 579}
 580
 581static int migrate_file(struct remote *remote)
 582{
 583        struct strbuf buf = STRBUF_INIT;
 584        int i;
 585        char *path = NULL;
 586
 587        strbuf_addf(&buf, "remote.%s.url", remote->name);
 588        for (i = 0; i < remote->url_nr; i++)
 589                if (git_config_set_multivar(buf.buf, remote->url[i], "^$", 0))
 590                        return error(_("Could not append '%s' to '%s'"),
 591                                        remote->url[i], buf.buf);
 592        strbuf_reset(&buf);
 593        strbuf_addf(&buf, "remote.%s.push", remote->name);
 594        for (i = 0; i < remote->push_refspec_nr; i++)
 595                if (git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0))
 596                        return error(_("Could not append '%s' to '%s'"),
 597                                        remote->push_refspec[i], buf.buf);
 598        strbuf_reset(&buf);
 599        strbuf_addf(&buf, "remote.%s.fetch", remote->name);
 600        for (i = 0; i < remote->fetch_refspec_nr; i++)
 601                if (git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0))
 602                        return error(_("Could not append '%s' to '%s'"),
 603                                        remote->fetch_refspec[i], buf.buf);
 604        if (remote->origin == REMOTE_REMOTES)
 605                path = git_path("remotes/%s", remote->name);
 606        else if (remote->origin == REMOTE_BRANCHES)
 607                path = git_path("branches/%s", remote->name);
 608        if (path)
 609                unlink_or_warn(path);
 610        return 0;
 611}
 612
 613static int mv(int argc, const char **argv)
 614{
 615        struct option options[] = {
 616                OPT_END()
 617        };
 618        struct remote *oldremote, *newremote;
 619        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT,
 620                old_remote_context = STRBUF_INIT;
 621        struct string_list remote_branches = STRING_LIST_INIT_NODUP;
 622        struct rename_info rename;
 623        int i, refspec_updated = 0;
 624
 625        if (argc != 3)
 626                usage_with_options(builtin_remote_rename_usage, options);
 627
 628        rename.old = argv[1];
 629        rename.new = argv[2];
 630        rename.remote_branches = &remote_branches;
 631
 632        oldremote = remote_get(rename.old);
 633        if (!oldremote)
 634                die(_("No such remote: %s"), rename.old);
 635
 636        if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
 637                return migrate_file(oldremote);
 638
 639        newremote = remote_get(rename.new);
 640        if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
 641                die(_("remote %s already exists."), rename.new);
 642
 643        strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
 644        if (!valid_fetch_refspec(buf.buf))
 645                die(_("'%s' is not a valid remote name"), rename.new);
 646
 647        strbuf_reset(&buf);
 648        strbuf_addf(&buf, "remote.%s", rename.old);
 649        strbuf_addf(&buf2, "remote.%s", rename.new);
 650        if (git_config_rename_section(buf.buf, buf2.buf) < 1)
 651                return error(_("Could not rename config section '%s' to '%s'"),
 652                                buf.buf, buf2.buf);
 653
 654        strbuf_reset(&buf);
 655        strbuf_addf(&buf, "remote.%s.fetch", rename.new);
 656        if (git_config_set_multivar(buf.buf, NULL, NULL, 1))
 657                return error(_("Could not remove config section '%s'"), buf.buf);
 658        strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old);
 659        for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
 660                char *ptr;
 661
 662                strbuf_reset(&buf2);
 663                strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
 664                ptr = strstr(buf2.buf, old_remote_context.buf);
 665                if (ptr) {
 666                        refspec_updated = 1;
 667                        strbuf_splice(&buf2,
 668                                      ptr-buf2.buf + strlen(":refs/remotes/"),
 669                                      strlen(rename.old), rename.new,
 670                                      strlen(rename.new));
 671                } else
 672                        warning(_("Not updating non-default fetch refspec\n"
 673                                  "\t%s\n"
 674                                  "\tPlease update the configuration manually if necessary."),
 675                                buf2.buf);
 676
 677                if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
 678                        return error(_("Could not append '%s'"), buf.buf);
 679        }
 680
 681        read_branches();
 682        for (i = 0; i < branch_list.nr; i++) {
 683                struct string_list_item *item = branch_list.items + i;
 684                struct branch_info *info = item->util;
 685                if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
 686                        strbuf_reset(&buf);
 687                        strbuf_addf(&buf, "branch.%s.remote", item->string);
 688                        if (git_config_set(buf.buf, rename.new)) {
 689                                return error(_("Could not set '%s'"), buf.buf);
 690                        }
 691                }
 692        }
 693
 694        if (!refspec_updated)
 695                return 0;
 696
 697        /*
 698         * First remove symrefs, then rename the rest, finally create
 699         * the new symrefs.
 700         */
 701        for_each_ref(read_remote_branches, &rename);
 702        for (i = 0; i < remote_branches.nr; i++) {
 703                struct string_list_item *item = remote_branches.items + i;
 704                int flag = 0;
 705                unsigned char sha1[20];
 706
 707                read_ref_full(item->string, sha1, 1, &flag);
 708                if (!(flag & REF_ISSYMREF))
 709                        continue;
 710                if (delete_ref(item->string, NULL, REF_NODEREF))
 711                        die(_("deleting '%s' failed"), item->string);
 712        }
 713        for (i = 0; i < remote_branches.nr; i++) {
 714                struct string_list_item *item = remote_branches.items + i;
 715
 716                if (item->util)
 717                        continue;
 718                strbuf_reset(&buf);
 719                strbuf_addstr(&buf, item->string);
 720                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 721                                rename.new, strlen(rename.new));
 722                strbuf_reset(&buf2);
 723                strbuf_addf(&buf2, "remote: renamed %s to %s",
 724                                item->string, buf.buf);
 725                if (rename_ref(item->string, buf.buf, buf2.buf))
 726                        die(_("renaming '%s' failed"), item->string);
 727        }
 728        for (i = 0; i < remote_branches.nr; i++) {
 729                struct string_list_item *item = remote_branches.items + i;
 730
 731                if (!item->util)
 732                        continue;
 733                strbuf_reset(&buf);
 734                strbuf_addstr(&buf, item->string);
 735                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 736                                rename.new, strlen(rename.new));
 737                strbuf_reset(&buf2);
 738                strbuf_addstr(&buf2, item->util);
 739                strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
 740                                rename.new, strlen(rename.new));
 741                strbuf_reset(&buf3);
 742                strbuf_addf(&buf3, "remote: renamed %s to %s",
 743                                item->string, buf.buf);
 744                if (create_symref(buf.buf, buf2.buf, buf3.buf))
 745                        die(_("creating '%s' failed"), buf.buf);
 746        }
 747        return 0;
 748}
 749
 750static int remove_branches(struct string_list *branches)
 751{
 752        int i, result = 0;
 753        for (i = 0; i < branches->nr; i++) {
 754                struct string_list_item *item = branches->items + i;
 755                const char *refname = item->string;
 756                unsigned char *sha1 = item->util;
 757
 758                if (delete_ref(refname, sha1, 0))
 759                        result |= error(_("Could not remove branch %s"), refname);
 760        }
 761        return result;
 762}
 763
 764static int rm(int argc, const char **argv)
 765{
 766        struct option options[] = {
 767                OPT_END()
 768        };
 769        struct remote *remote;
 770        struct strbuf buf = STRBUF_INIT;
 771        struct known_remotes known_remotes = { NULL, NULL };
 772        struct string_list branches = STRING_LIST_INIT_DUP;
 773        struct string_list skipped = STRING_LIST_INIT_DUP;
 774        struct branches_for_remote cb_data;
 775        int i, result;
 776
 777        memset(&cb_data, 0, sizeof(cb_data));
 778        cb_data.branches = &branches;
 779        cb_data.skipped = &skipped;
 780        cb_data.keep = &known_remotes;
 781
 782        if (argc != 2)
 783                usage_with_options(builtin_remote_rm_usage, options);
 784
 785        remote = remote_get(argv[1]);
 786        if (!remote)
 787                die(_("No such remote: %s"), argv[1]);
 788
 789        known_remotes.to_delete = remote;
 790        for_each_remote(add_known_remote, &known_remotes);
 791
 792        read_branches();
 793        for (i = 0; i < branch_list.nr; i++) {
 794                struct string_list_item *item = branch_list.items + i;
 795                struct branch_info *info = item->util;
 796                if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
 797                        const char *keys[] = { "remote", "merge", NULL }, **k;
 798                        for (k = keys; *k; k++) {
 799                                strbuf_reset(&buf);
 800                                strbuf_addf(&buf, "branch.%s.%s",
 801                                                item->string, *k);
 802                                if (git_config_set(buf.buf, NULL)) {
 803                                        strbuf_release(&buf);
 804                                        return -1;
 805                                }
 806                        }
 807                }
 808        }
 809
 810        /*
 811         * We cannot just pass a function to for_each_ref() which deletes
 812         * the branches one by one, since for_each_ref() relies on cached
 813         * refs, which are invalidated when deleting a branch.
 814         */
 815        cb_data.remote = remote;
 816        result = for_each_ref(add_branch_for_removal, &cb_data);
 817        strbuf_release(&buf);
 818
 819        if (!result)
 820                result = remove_branches(&branches);
 821        string_list_clear(&branches, 1);
 822
 823        if (skipped.nr) {
 824                fprintf_ln(stderr,
 825                           Q_("Note: A branch outside the refs/remotes/ hierarchy was not removed;\n"
 826                              "to delete it, use:",
 827                              "Note: Some branches outside the refs/remotes/ hierarchy were not removed;\n"
 828                              "to delete them, use:",
 829                              skipped.nr));
 830                for (i = 0; i < skipped.nr; i++)
 831                        fprintf(stderr, "  git branch -d %s\n",
 832                                skipped.items[i].string);
 833        }
 834        string_list_clear(&skipped, 0);
 835
 836        if (!result) {
 837                strbuf_addf(&buf, "remote.%s", remote->name);
 838                if (git_config_rename_section(buf.buf, NULL) < 1)
 839                        return error(_("Could not remove config section '%s'"), buf.buf);
 840        }
 841
 842        return result;
 843}
 844
 845static void clear_push_info(void *util, const char *string)
 846{
 847        struct push_info *info = util;
 848        free(info->dest);
 849        free(info);
 850}
 851
 852static void free_remote_ref_states(struct ref_states *states)
 853{
 854        string_list_clear(&states->new, 0);
 855        string_list_clear(&states->stale, 1);
 856        string_list_clear(&states->tracked, 0);
 857        string_list_clear(&states->heads, 0);
 858        string_list_clear_func(&states->push, clear_push_info);
 859}
 860
 861static int append_ref_to_tracked_list(const char *refname,
 862        const unsigned char *sha1, int flags, void *cb_data)
 863{
 864        struct ref_states *states = cb_data;
 865        struct refspec refspec;
 866
 867        if (flags & REF_ISSYMREF)
 868                return 0;
 869
 870        memset(&refspec, 0, sizeof(refspec));
 871        refspec.dst = (char *)refname;
 872        if (!remote_find_tracking(states->remote, &refspec))
 873                string_list_append(&states->tracked, abbrev_branch(refspec.src));
 874
 875        return 0;
 876}
 877
 878static int get_remote_ref_states(const char *name,
 879                                 struct ref_states *states,
 880                                 int query)
 881{
 882        struct transport *transport;
 883        const struct ref *remote_refs;
 884
 885        states->remote = remote_get(name);
 886        if (!states->remote)
 887                return error(_("No such remote: %s"), name);
 888
 889        read_branches();
 890
 891        if (query) {
 892                transport = transport_get(states->remote, states->remote->url_nr > 0 ?
 893                        states->remote->url[0] : NULL);
 894                remote_refs = transport_get_remote_refs(transport);
 895                transport_disconnect(transport);
 896
 897                states->queried = 1;
 898                if (query & GET_REF_STATES)
 899                        get_ref_states(remote_refs, states);
 900                if (query & GET_HEAD_NAMES)
 901                        get_head_names(remote_refs, states);
 902                if (query & GET_PUSH_REF_STATES)
 903                        get_push_ref_states(remote_refs, states);
 904        } else {
 905                for_each_ref(append_ref_to_tracked_list, states);
 906                sort_string_list(&states->tracked);
 907                get_push_ref_states_noquery(states);
 908        }
 909
 910        return 0;
 911}
 912
 913struct show_info {
 914        struct string_list *list;
 915        struct ref_states *states;
 916        int width, width2;
 917        int any_rebase;
 918};
 919
 920static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
 921{
 922        struct show_info *info = cb_data;
 923        int n = strlen(item->string);
 924        if (n > info->width)
 925                info->width = n;
 926        string_list_insert(info->list, item->string);
 927        return 0;
 928}
 929
 930static int show_remote_info_item(struct string_list_item *item, void *cb_data)
 931{
 932        struct show_info *info = cb_data;
 933        struct ref_states *states = info->states;
 934        const char *name = item->string;
 935
 936        if (states->queried) {
 937                const char *fmt = "%s";
 938                const char *arg = "";
 939                if (string_list_has_string(&states->new, name)) {
 940                        fmt = _(" new (next fetch will store in remotes/%s)");
 941                        arg = states->remote->name;
 942                } else if (string_list_has_string(&states->tracked, name))
 943                        arg = _(" tracked");
 944                else if (string_list_has_string(&states->stale, name))
 945                        arg = _(" stale (use 'git remote prune' to remove)");
 946                else
 947                        arg = _(" ???");
 948                printf("    %-*s", info->width, name);
 949                printf(fmt, arg);
 950                printf("\n");
 951        } else
 952                printf("    %s\n", name);
 953
 954        return 0;
 955}
 956
 957static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
 958{
 959        struct show_info *show_info = cb_data;
 960        struct ref_states *states = show_info->states;
 961        struct branch_info *branch_info = branch_item->util;
 962        struct string_list_item *item;
 963        int n;
 964
 965        if (!branch_info->merge.nr || !branch_info->remote_name ||
 966            strcmp(states->remote->name, branch_info->remote_name))
 967                return 0;
 968        if ((n = strlen(branch_item->string)) > show_info->width)
 969                show_info->width = n;
 970        if (branch_info->rebase)
 971                show_info->any_rebase = 1;
 972
 973        item = string_list_insert(show_info->list, branch_item->string);
 974        item->util = branch_info;
 975
 976        return 0;
 977}
 978
 979static int show_local_info_item(struct string_list_item *item, void *cb_data)
 980{
 981        struct show_info *show_info = cb_data;
 982        struct branch_info *branch_info = item->util;
 983        struct string_list *merge = &branch_info->merge;
 984        const char *also;
 985        int i;
 986
 987        if (branch_info->rebase && branch_info->merge.nr > 1) {
 988                error(_("invalid branch.%s.merge; cannot rebase onto > 1 branch"),
 989                        item->string);
 990                return 0;
 991        }
 992
 993        printf("    %-*s ", show_info->width, item->string);
 994        if (branch_info->rebase) {
 995                printf_ln(_("rebases onto remote %s"), merge->items[0].string);
 996                return 0;
 997        } else if (show_info->any_rebase) {
 998                printf_ln(_(" merges with remote %s"), merge->items[0].string);
 999                also = _("    and with remote");
1000        } else {
1001                printf_ln(_("merges with remote %s"), merge->items[0].string);
1002                also = _("   and with remote");
1003        }
1004        for (i = 1; i < merge->nr; i++)
1005                printf("    %-*s %s %s\n", show_info->width, "", also,
1006                       merge->items[i].string);
1007
1008        return 0;
1009}
1010
1011static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
1012{
1013        struct show_info *show_info = cb_data;
1014        struct push_info *push_info = push_item->util;
1015        struct string_list_item *item;
1016        int n;
1017        if ((n = strlen(push_item->string)) > show_info->width)
1018                show_info->width = n;
1019        if ((n = strlen(push_info->dest)) > show_info->width2)
1020                show_info->width2 = n;
1021        item = string_list_append(show_info->list, push_item->string);
1022        item->util = push_item->util;
1023        return 0;
1024}
1025
1026/*
1027 * Sorting comparison for a string list that has push_info
1028 * structs in its util field
1029 */
1030static int cmp_string_with_push(const void *va, const void *vb)
1031{
1032        const struct string_list_item *a = va;
1033        const struct string_list_item *b = vb;
1034        const struct push_info *a_push = a->util;
1035        const struct push_info *b_push = b->util;
1036        int cmp = strcmp(a->string, b->string);
1037        return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
1038}
1039
1040static int show_push_info_item(struct string_list_item *item, void *cb_data)
1041{
1042        struct show_info *show_info = cb_data;
1043        struct push_info *push_info = item->util;
1044        const char *src = item->string, *status = NULL;
1045
1046        switch (push_info->status) {
1047        case PUSH_STATUS_CREATE:
1048                status = _("create");
1049                break;
1050        case PUSH_STATUS_DELETE:
1051                status = _("delete");
1052                src = _("(none)");
1053                break;
1054        case PUSH_STATUS_UPTODATE:
1055                status = _("up to date");
1056                break;
1057        case PUSH_STATUS_FASTFORWARD:
1058                status = _("fast-forwardable");
1059                break;
1060        case PUSH_STATUS_OUTOFDATE:
1061                status = _("local out of date");
1062                break;
1063        case PUSH_STATUS_NOTQUERIED:
1064                break;
1065        }
1066        if (status) {
1067                if (push_info->forced)
1068                        printf_ln(_("    %-*s forces to %-*s (%s)"), show_info->width, src,
1069                               show_info->width2, push_info->dest, status);
1070                else
1071                        printf_ln(_("    %-*s pushes to %-*s (%s)"), show_info->width, src,
1072                               show_info->width2, push_info->dest, status);
1073        } else {
1074                if (push_info->forced)
1075                        printf_ln(_("    %-*s forces to %s"), show_info->width, src,
1076                               push_info->dest);
1077                else
1078                        printf_ln(_("    %-*s pushes to %s"), show_info->width, src,
1079                               push_info->dest);
1080        }
1081        return 0;
1082}
1083
1084static int get_one_entry(struct remote *remote, void *priv)
1085{
1086        struct string_list *list = priv;
1087        struct strbuf url_buf = STRBUF_INIT;
1088        const char **url;
1089        int i, url_nr;
1090
1091        if (remote->url_nr > 0) {
1092                strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
1093                string_list_append(list, remote->name)->util =
1094                                strbuf_detach(&url_buf, NULL);
1095        } else
1096                string_list_append(list, remote->name)->util = NULL;
1097        if (remote->pushurl_nr) {
1098                url = remote->pushurl;
1099                url_nr = remote->pushurl_nr;
1100        } else {
1101                url = remote->url;
1102                url_nr = remote->url_nr;
1103        }
1104        for (i = 0; i < url_nr; i++)
1105        {
1106                strbuf_addf(&url_buf, "%s (push)", url[i]);
1107                string_list_append(list, remote->name)->util =
1108                                strbuf_detach(&url_buf, NULL);
1109        }
1110
1111        return 0;
1112}
1113
1114static int show_all(void)
1115{
1116        struct string_list list = STRING_LIST_INIT_NODUP;
1117        int result;
1118
1119        list.strdup_strings = 1;
1120        result = for_each_remote(get_one_entry, &list);
1121
1122        if (!result) {
1123                int i;
1124
1125                sort_string_list(&list);
1126                for (i = 0; i < list.nr; i++) {
1127                        struct string_list_item *item = list.items + i;
1128                        if (verbose)
1129                                printf("%s\t%s\n", item->string,
1130                                        item->util ? (const char *)item->util : "");
1131                        else {
1132                                if (i && !strcmp((item - 1)->string, item->string))
1133                                        continue;
1134                                printf("%s\n", item->string);
1135                        }
1136                }
1137        }
1138        string_list_clear(&list, 1);
1139        return result;
1140}
1141
1142static int show(int argc, const char **argv)
1143{
1144        int no_query = 0, result = 0, query_flag = 0;
1145        struct option options[] = {
1146                OPT_BOOL('n', NULL, &no_query, N_("do not query remotes")),
1147                OPT_END()
1148        };
1149        struct ref_states states;
1150        struct string_list info_list = STRING_LIST_INIT_NODUP;
1151        struct show_info info;
1152
1153        argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
1154                             0);
1155
1156        if (argc < 1)
1157                return show_all();
1158
1159        if (!no_query)
1160                query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
1161
1162        memset(&states, 0, sizeof(states));
1163        memset(&info, 0, sizeof(info));
1164        info.states = &states;
1165        info.list = &info_list;
1166        for (; argc; argc--, argv++) {
1167                int i;
1168                const char **url;
1169                int url_nr;
1170
1171                get_remote_ref_states(*argv, &states, query_flag);
1172
1173                printf_ln(_("* remote %s"), *argv);
1174                printf_ln(_("  Fetch URL: %s"), states.remote->url_nr > 0 ?
1175                       states.remote->url[0] : _("(no URL)"));
1176                if (states.remote->pushurl_nr) {
1177                        url = states.remote->pushurl;
1178                        url_nr = states.remote->pushurl_nr;
1179                } else {
1180                        url = states.remote->url;
1181                        url_nr = states.remote->url_nr;
1182                }
1183                for (i = 0; i < url_nr; i++)
1184                        printf_ln(_("  Push  URL: %s"), url[i]);
1185                if (!i)
1186                        printf_ln(_("  Push  URL: %s"), "(no URL)");
1187                if (no_query)
1188                        printf_ln(_("  HEAD branch: %s"), "(not queried)");
1189                else if (!states.heads.nr)
1190                        printf_ln(_("  HEAD branch: %s"), "(unknown)");
1191                else if (states.heads.nr == 1)
1192                        printf_ln(_("  HEAD branch: %s"), states.heads.items[0].string);
1193                else {
1194                        printf(_("  HEAD branch (remote HEAD is ambiguous,"
1195                                 " may be one of the following):\n"));
1196                        for (i = 0; i < states.heads.nr; i++)
1197                                printf("    %s\n", states.heads.items[i].string);
1198                }
1199
1200                /* remote branch info */
1201                info.width = 0;
1202                for_each_string_list(&states.new, add_remote_to_show_info, &info);
1203                for_each_string_list(&states.tracked, add_remote_to_show_info, &info);
1204                for_each_string_list(&states.stale, add_remote_to_show_info, &info);
1205                if (info.list->nr)
1206                        printf_ln(Q_("  Remote branch:%s",
1207                                     "  Remote branches:%s",
1208                                     info.list->nr),
1209                                  no_query ? _(" (status not queried)") : "");
1210                for_each_string_list(info.list, show_remote_info_item, &info);
1211                string_list_clear(info.list, 0);
1212
1213                /* git pull info */
1214                info.width = 0;
1215                info.any_rebase = 0;
1216                for_each_string_list(&branch_list, add_local_to_show_info, &info);
1217                if (info.list->nr)
1218                        printf_ln(Q_("  Local branch configured for 'git pull':",
1219                                     "  Local branches configured for 'git pull':",
1220                                     info.list->nr));
1221                for_each_string_list(info.list, show_local_info_item, &info);
1222                string_list_clear(info.list, 0);
1223
1224                /* git push info */
1225                if (states.remote->mirror)
1226                        printf_ln(_("  Local refs will be mirrored by 'git push'"));
1227
1228                info.width = info.width2 = 0;
1229                for_each_string_list(&states.push, add_push_to_show_info, &info);
1230                qsort(info.list->items, info.list->nr,
1231                        sizeof(*info.list->items), cmp_string_with_push);
1232                if (info.list->nr)
1233                        printf_ln(Q_("  Local ref configured for 'git push'%s:",
1234                                     "  Local refs configured for 'git push'%s:",
1235                                     info.list->nr),
1236                                  no_query ? _(" (status not queried)") : "");
1237                for_each_string_list(info.list, show_push_info_item, &info);
1238                string_list_clear(info.list, 0);
1239
1240                free_remote_ref_states(&states);
1241        }
1242
1243        return result;
1244}
1245
1246static int set_head(int argc, const char **argv)
1247{
1248        int i, opt_a = 0, opt_d = 0, result = 0;
1249        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1250        char *head_name = NULL;
1251
1252        struct option options[] = {
1253                OPT_BOOL('a', "auto", &opt_a,
1254                         N_("set refs/remotes/<name>/HEAD according to remote")),
1255                OPT_BOOL('d', "delete", &opt_d,
1256                         N_("delete refs/remotes/<name>/HEAD")),
1257                OPT_END()
1258        };
1259        argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
1260                             0);
1261        if (argc)
1262                strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1263
1264        if (!opt_a && !opt_d && argc == 2) {
1265                head_name = xstrdup(argv[1]);
1266        } else if (opt_a && !opt_d && argc == 1) {
1267                struct ref_states states;
1268                memset(&states, 0, sizeof(states));
1269                get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1270                if (!states.heads.nr)
1271                        result |= error(_("Cannot determine remote HEAD"));
1272                else if (states.heads.nr > 1) {
1273                        result |= error(_("Multiple remote HEAD branches. "
1274                                          "Please choose one explicitly with:"));
1275                        for (i = 0; i < states.heads.nr; i++)
1276                                fprintf(stderr, "  git remote set-head %s %s\n",
1277                                        argv[0], states.heads.items[i].string);
1278                } else
1279                        head_name = xstrdup(states.heads.items[0].string);
1280                free_remote_ref_states(&states);
1281        } else if (opt_d && !opt_a && argc == 1) {
1282                if (delete_ref(buf.buf, NULL, REF_NODEREF))
1283                        result |= error(_("Could not delete %s"), buf.buf);
1284        } else
1285                usage_with_options(builtin_remote_sethead_usage, options);
1286
1287        if (head_name) {
1288                strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1289                /* make sure it's valid */
1290                if (!ref_exists(buf2.buf))
1291                        result |= error(_("Not a valid ref: %s"), buf2.buf);
1292                else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1293                        result |= error(_("Could not setup %s"), buf.buf);
1294                if (opt_a)
1295                        printf("%s/HEAD set to %s\n", argv[0], head_name);
1296                free(head_name);
1297        }
1298
1299        strbuf_release(&buf);
1300        strbuf_release(&buf2);
1301        return result;
1302}
1303
1304static int prune_remote(const char *remote, int dry_run)
1305{
1306        int result = 0, i;
1307        struct ref_states states;
1308        const char *dangling_msg = dry_run
1309                ? _(" %s will become dangling!")
1310                : _(" %s has become dangling!");
1311
1312        memset(&states, 0, sizeof(states));
1313        get_remote_ref_states(remote, &states, GET_REF_STATES);
1314
1315        if (states.stale.nr) {
1316                printf_ln(_("Pruning %s"), remote);
1317                printf_ln(_("URL: %s"),
1318                       states.remote->url_nr
1319                       ? states.remote->url[0]
1320                       : _("(no URL)"));
1321        }
1322
1323        for (i = 0; i < states.stale.nr; i++) {
1324                const char *refname = states.stale.items[i].util;
1325
1326                if (!dry_run)
1327                        result |= delete_ref(refname, NULL, 0);
1328
1329                if (dry_run)
1330                        printf_ln(_(" * [would prune] %s"),
1331                               abbrev_ref(refname, "refs/remotes/"));
1332                else
1333                        printf_ln(_(" * [pruned] %s"),
1334                               abbrev_ref(refname, "refs/remotes/"));
1335                warn_dangling_symref(stdout, dangling_msg, refname);
1336        }
1337
1338        free_remote_ref_states(&states);
1339        return result;
1340}
1341
1342static int prune(int argc, const char **argv)
1343{
1344        int dry_run = 0, result = 0;
1345        struct option options[] = {
1346                OPT__DRY_RUN(&dry_run, N_("dry run")),
1347                OPT_END()
1348        };
1349
1350        argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
1351                             0);
1352
1353        if (argc < 1)
1354                usage_with_options(builtin_remote_prune_usage, options);
1355
1356        for (; argc; argc--, argv++)
1357                result |= prune_remote(*argv, dry_run);
1358
1359        return result;
1360}
1361
1362static int get_remote_default(const char *key, const char *value, void *priv)
1363{
1364        if (strcmp(key, "remotes.default") == 0) {
1365                int *found = priv;
1366                *found = 1;
1367        }
1368        return 0;
1369}
1370
1371static int update(int argc, const char **argv)
1372{
1373        int i, prune = -1;
1374        struct option options[] = {
1375                OPT_BOOL('p', "prune", &prune,
1376                         N_("prune remotes after fetching")),
1377                OPT_END()
1378        };
1379        struct argv_array fetch_argv = ARGV_ARRAY_INIT;
1380        int default_defined = 0;
1381        int retval;
1382
1383        argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1384                             PARSE_OPT_KEEP_ARGV0);
1385
1386        argv_array_push(&fetch_argv, "fetch");
1387
1388        if (prune != -1)
1389                argv_array_push(&fetch_argv, prune ? "--prune" : "--no-prune");
1390        if (verbose)
1391                argv_array_push(&fetch_argv, "-v");
1392        argv_array_push(&fetch_argv, "--multiple");
1393        if (argc < 2)
1394                argv_array_push(&fetch_argv, "default");
1395        for (i = 1; i < argc; i++)
1396                argv_array_push(&fetch_argv, argv[i]);
1397
1398        if (strcmp(fetch_argv.argv[fetch_argv.argc-1], "default") == 0) {
1399                git_config(get_remote_default, &default_defined);
1400                if (!default_defined) {
1401                        argv_array_pop(&fetch_argv);
1402                        argv_array_push(&fetch_argv, "--all");
1403                }
1404        }
1405
1406        retval = run_command_v_opt(fetch_argv.argv, RUN_GIT_CMD);
1407        argv_array_clear(&fetch_argv);
1408        return retval;
1409}
1410
1411static int remove_all_fetch_refspecs(const char *remote, const char *key)
1412{
1413        return git_config_set_multivar(key, NULL, NULL, 1);
1414}
1415
1416static int add_branches(struct remote *remote, const char **branches,
1417                        const char *key)
1418{
1419        const char *remotename = remote->name;
1420        int mirror = remote->mirror;
1421        struct strbuf refspec = STRBUF_INIT;
1422
1423        for (; *branches; branches++)
1424                if (add_branch(key, *branches, remotename, mirror, &refspec)) {
1425                        strbuf_release(&refspec);
1426                        return 1;
1427                }
1428
1429        strbuf_release(&refspec);
1430        return 0;
1431}
1432
1433static int set_remote_branches(const char *remotename, const char **branches,
1434                                int add_mode)
1435{
1436        struct strbuf key = STRBUF_INIT;
1437        struct remote *remote;
1438
1439        strbuf_addf(&key, "remote.%s.fetch", remotename);
1440
1441        if (!remote_is_configured(remotename))
1442                die(_("No such remote '%s'"), remotename);
1443        remote = remote_get(remotename);
1444
1445        if (!add_mode && remove_all_fetch_refspecs(remotename, key.buf)) {
1446                strbuf_release(&key);
1447                return 1;
1448        }
1449        if (add_branches(remote, branches, key.buf)) {
1450                strbuf_release(&key);
1451                return 1;
1452        }
1453
1454        strbuf_release(&key);
1455        return 0;
1456}
1457
1458static int set_branches(int argc, const char **argv)
1459{
1460        int add_mode = 0;
1461        struct option options[] = {
1462                OPT_BOOL('\0', "add", &add_mode, N_("add branch")),
1463                OPT_END()
1464        };
1465
1466        argc = parse_options(argc, argv, NULL, options,
1467                             builtin_remote_setbranches_usage, 0);
1468        if (argc == 0) {
1469                error(_("no remote specified"));
1470                usage_with_options(builtin_remote_setbranches_usage, options);
1471        }
1472        argv[argc] = NULL;
1473
1474        return set_remote_branches(argv[0], argv + 1, add_mode);
1475}
1476
1477static int set_url(int argc, const char **argv)
1478{
1479        int i, push_mode = 0, add_mode = 0, delete_mode = 0;
1480        int matches = 0, negative_matches = 0;
1481        const char *remotename = NULL;
1482        const char *newurl = NULL;
1483        const char *oldurl = NULL;
1484        struct remote *remote;
1485        regex_t old_regex;
1486        const char **urlset;
1487        int urlset_nr;
1488        struct strbuf name_buf = STRBUF_INIT;
1489        struct option options[] = {
1490                OPT_BOOL('\0', "push", &push_mode,
1491                         N_("manipulate push URLs")),
1492                OPT_BOOL('\0', "add", &add_mode,
1493                         N_("add URL")),
1494                OPT_BOOL('\0', "delete", &delete_mode,
1495                            N_("delete URLs")),
1496                OPT_END()
1497        };
1498        argc = parse_options(argc, argv, NULL, options, builtin_remote_seturl_usage,
1499                             PARSE_OPT_KEEP_ARGV0);
1500
1501        if (add_mode && delete_mode)
1502                die(_("--add --delete doesn't make sense"));
1503
1504        if (argc < 3 || argc > 4 || ((add_mode || delete_mode) && argc != 3))
1505                usage_with_options(builtin_remote_seturl_usage, options);
1506
1507        remotename = argv[1];
1508        newurl = argv[2];
1509        if (argc > 3)
1510                oldurl = argv[3];
1511
1512        if (delete_mode)
1513                oldurl = newurl;
1514
1515        if (!remote_is_configured(remotename))
1516                die(_("No such remote '%s'"), remotename);
1517        remote = remote_get(remotename);
1518
1519        if (push_mode) {
1520                strbuf_addf(&name_buf, "remote.%s.pushurl", remotename);
1521                urlset = remote->pushurl;
1522                urlset_nr = remote->pushurl_nr;
1523        } else {
1524                strbuf_addf(&name_buf, "remote.%s.url", remotename);
1525                urlset = remote->url;
1526                urlset_nr = remote->url_nr;
1527        }
1528
1529        /* Special cases that add new entry. */
1530        if ((!oldurl && !delete_mode) || add_mode) {
1531                if (add_mode)
1532                        git_config_set_multivar(name_buf.buf, newurl,
1533                                "^$", 0);
1534                else
1535                        git_config_set(name_buf.buf, newurl);
1536                strbuf_release(&name_buf);
1537                return 0;
1538        }
1539
1540        /* Old URL specified. Demand that one matches. */
1541        if (regcomp(&old_regex, oldurl, REG_EXTENDED))
1542                die(_("Invalid old URL pattern: %s"), oldurl);
1543
1544        for (i = 0; i < urlset_nr; i++)
1545                if (!regexec(&old_regex, urlset[i], 0, NULL, 0))
1546                        matches++;
1547                else
1548                        negative_matches++;
1549        if (!delete_mode && !matches)
1550                die(_("No such URL found: %s"), oldurl);
1551        if (delete_mode && !negative_matches && !push_mode)
1552                die(_("Will not delete all non-push URLs"));
1553
1554        regfree(&old_regex);
1555
1556        if (!delete_mode)
1557                git_config_set_multivar(name_buf.buf, newurl, oldurl, 0);
1558        else
1559                git_config_set_multivar(name_buf.buf, NULL, oldurl, 1);
1560        return 0;
1561}
1562
1563int cmd_remote(int argc, const char **argv, const char *prefix)
1564{
1565        struct option options[] = {
1566                OPT__VERBOSE(&verbose, N_("be verbose; must be placed before a subcommand")),
1567                OPT_END()
1568        };
1569        int result;
1570
1571        argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1572                PARSE_OPT_STOP_AT_NON_OPTION);
1573
1574        if (argc < 1)
1575                result = show_all();
1576        else if (!strcmp(argv[0], "add"))
1577                result = add(argc, argv);
1578        else if (!strcmp(argv[0], "rename"))
1579                result = mv(argc, argv);
1580        else if (!strcmp(argv[0], "rm") || !strcmp(argv[0], "remove"))
1581                result = rm(argc, argv);
1582        else if (!strcmp(argv[0], "set-head"))
1583                result = set_head(argc, argv);
1584        else if (!strcmp(argv[0], "set-branches"))
1585                result = set_branches(argc, argv);
1586        else if (!strcmp(argv[0], "set-url"))
1587                result = set_url(argc, argv);
1588        else if (!strcmp(argv[0], "show"))
1589                result = show(argc, argv);
1590        else if (!strcmp(argv[0], "prune"))
1591                result = prune(argc, argv);
1592        else if (!strcmp(argv[0], "update"))
1593                result = update(argc, argv);
1594        else {
1595                error(_("Unknown subcommand: %s"), argv[0]);
1596                usage_with_options(builtin_remote_usage, options);
1597        }
1598
1599        return result ? 1 : 0;
1600}