builtin / remote.con commit Merge branch 'mm/mv-file-to-no-such-dir-with-slash' (fb230b3)
   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 inline int postfixcmp(const char *string, const char *postfix)
  82{
  83        int len1 = strlen(string), len2 = strlen(postfix);
  84        if (len1 < len2)
  85                return 1;
  86        return strcmp(string + len1 - len2, postfix);
  87}
  88
  89static int fetch_remote(const char *name)
  90{
  91        const char *argv[] = { "fetch", name, NULL, NULL };
  92        if (verbose) {
  93                argv[1] = "-v";
  94                argv[2] = name;
  95        }
  96        printf_ln(_("Updating %s"), name);
  97        if (run_command_v_opt(argv, RUN_GIT_CMD))
  98                return error(_("Could not fetch %s"), name);
  99        return 0;
 100}
 101
 102enum {
 103        TAGS_UNSET = 0,
 104        TAGS_DEFAULT = 1,
 105        TAGS_SET = 2
 106};
 107
 108#define MIRROR_NONE 0
 109#define MIRROR_FETCH 1
 110#define MIRROR_PUSH 2
 111#define MIRROR_BOTH (MIRROR_FETCH|MIRROR_PUSH)
 112
 113static int add_branch(const char *key, const char *branchname,
 114                const char *remotename, int mirror, struct strbuf *tmp)
 115{
 116        strbuf_reset(tmp);
 117        strbuf_addch(tmp, '+');
 118        if (mirror)
 119                strbuf_addf(tmp, "refs/%s:refs/%s",
 120                                branchname, branchname);
 121        else
 122                strbuf_addf(tmp, "refs/heads/%s:refs/remotes/%s/%s",
 123                                branchname, remotename, branchname);
 124        return git_config_set_multivar(key, tmp->buf, "^$", 0);
 125}
 126
 127static const char mirror_advice[] =
 128N_("--mirror is dangerous and deprecated; please\n"
 129   "\t use --mirror=fetch or --mirror=push instead");
 130
 131static int parse_mirror_opt(const struct option *opt, const char *arg, int not)
 132{
 133        unsigned *mirror = opt->value;
 134        if (not)
 135                *mirror = MIRROR_NONE;
 136        else if (!arg) {
 137                warning("%s", _(mirror_advice));
 138                *mirror = MIRROR_BOTH;
 139        }
 140        else if (!strcmp(arg, "fetch"))
 141                *mirror = MIRROR_FETCH;
 142        else if (!strcmp(arg, "push"))
 143                *mirror = MIRROR_PUSH;
 144        else
 145                return error(_("unknown mirror argument: %s"), arg);
 146        return 0;
 147}
 148
 149static int add(int argc, const char **argv)
 150{
 151        int fetch = 0, fetch_tags = TAGS_DEFAULT;
 152        unsigned mirror = MIRROR_NONE;
 153        struct string_list track = STRING_LIST_INIT_NODUP;
 154        const char *master = NULL;
 155        struct remote *remote;
 156        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
 157        const char *name, *url;
 158        int i;
 159
 160        struct option options[] = {
 161                OPT_BOOL('f', "fetch", &fetch, N_("fetch the remote branches")),
 162                OPT_SET_INT(0, "tags", &fetch_tags,
 163                            N_("import all tags and associated objects when fetching"),
 164                            TAGS_SET),
 165                OPT_SET_INT(0, NULL, &fetch_tags,
 166                            N_("or do not fetch any tag at all (--no-tags)"), TAGS_UNSET),
 167                OPT_STRING_LIST('t', "track", &track, N_("branch"),
 168                                N_("branch(es) to track")),
 169                OPT_STRING('m', "master", &master, N_("branch"), N_("master branch")),
 170                { OPTION_CALLBACK, 0, "mirror", &mirror, N_("push|fetch"),
 171                        N_("set up remote as a mirror to push to or fetch from"),
 172                        PARSE_OPT_OPTARG, parse_mirror_opt },
 173                OPT_END()
 174        };
 175
 176        argc = parse_options(argc, argv, NULL, options, builtin_remote_add_usage,
 177                             0);
 178
 179        if (argc != 2)
 180                usage_with_options(builtin_remote_add_usage, options);
 181
 182        if (mirror && master)
 183                die(_("specifying a master branch makes no sense with --mirror"));
 184        if (mirror && !(mirror & MIRROR_FETCH) && track.nr)
 185                die(_("specifying branches to track makes sense only with fetch mirrors"));
 186
 187        name = argv[0];
 188        url = argv[1];
 189
 190        remote = remote_get(name);
 191        if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
 192                        remote->fetch_refspec_nr))
 193                die(_("remote %s already exists."), name);
 194
 195        strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
 196        if (!valid_fetch_refspec(buf2.buf))
 197                die(_("'%s' is not a valid remote name"), name);
 198
 199        strbuf_addf(&buf, "remote.%s.url", name);
 200        if (git_config_set(buf.buf, url))
 201                return 1;
 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                        if (add_branch(buf.buf, track.items[i].string,
 210                                       name, mirror, &buf2))
 211                                return 1;
 212                }
 213        }
 214
 215        if (mirror & MIRROR_PUSH) {
 216                strbuf_reset(&buf);
 217                strbuf_addf(&buf, "remote.%s.mirror", name);
 218                if (git_config_set(buf.buf, "true"))
 219                        return 1;
 220        }
 221
 222        if (fetch_tags != TAGS_DEFAULT) {
 223                strbuf_reset(&buf);
 224                strbuf_addf(&buf, "remote.%s.tagopt", name);
 225                if (git_config_set(buf.buf,
 226                        fetch_tags == TAGS_SET ? "--tags" : "--no-tags"))
 227                        return 1;
 228        }
 229
 230        if (fetch && fetch_remote(name))
 231                return 1;
 232
 233        if (master) {
 234                strbuf_reset(&buf);
 235                strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
 236
 237                strbuf_reset(&buf2);
 238                strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
 239
 240                if (create_symref(buf.buf, buf2.buf, "remote add"))
 241                        return error(_("Could not setup master '%s'"), master);
 242        }
 243
 244        strbuf_release(&buf);
 245        strbuf_release(&buf2);
 246        string_list_clear(&track, 0);
 247
 248        return 0;
 249}
 250
 251struct branch_info {
 252        char *remote_name;
 253        struct string_list merge;
 254        int rebase;
 255};
 256
 257static struct string_list branch_list;
 258
 259static const char *abbrev_ref(const char *name, const char *prefix)
 260{
 261        const char *abbrev = skip_prefix(name, prefix);
 262        if (abbrev)
 263                return abbrev;
 264        return name;
 265}
 266#define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
 267
 268static int config_read_branches(const char *key, const char *value, void *cb)
 269{
 270        if (!prefixcmp(key, "branch.")) {
 271                const char *orig_key = key;
 272                char *name;
 273                struct string_list_item *item;
 274                struct branch_info *info;
 275                enum { REMOTE, MERGE, REBASE } type;
 276
 277                key += 7;
 278                if (!postfixcmp(key, ".remote")) {
 279                        name = xstrndup(key, strlen(key) - 7);
 280                        type = REMOTE;
 281                } else if (!postfixcmp(key, ".merge")) {
 282                        name = xstrndup(key, strlen(key) - 6);
 283                        type = MERGE;
 284                } else if (!postfixcmp(key, ".rebase")) {
 285                        name = xstrndup(key, strlen(key) - 7);
 286                        type = REBASE;
 287                } else
 288                        return 0;
 289
 290                item = string_list_insert(&branch_list, name);
 291
 292                if (!item->util)
 293                        item->util = xcalloc(sizeof(struct branch_info), 1);
 294                info = item->util;
 295                if (type == REMOTE) {
 296                        if (info->remote_name)
 297                                warning(_("more than one %s"), orig_key);
 298                        info->remote_name = xstrdup(value);
 299                } else if (type == MERGE) {
 300                        char *space = strchr(value, ' ');
 301                        value = abbrev_branch(value);
 302                        while (space) {
 303                                char *merge;
 304                                merge = xstrndup(value, space - value);
 305                                string_list_append(&info->merge, merge);
 306                                value = abbrev_branch(space + 1);
 307                                space = strchr(value, ' ');
 308                        }
 309                        string_list_append(&info->merge, xstrdup(value));
 310                } else {
 311                        int v = git_config_maybe_bool(orig_key, value);
 312                        if (v >= 0)
 313                                info->rebase = v;
 314                        else if (!strcmp(value, "preserve"))
 315                                info->rebase = 1;
 316                }
 317        }
 318        return 0;
 319}
 320
 321static void read_branches(void)
 322{
 323        if (branch_list.nr)
 324                return;
 325        git_config(config_read_branches, NULL);
 326}
 327
 328struct ref_states {
 329        struct remote *remote;
 330        struct string_list new, stale, tracked, heads, push;
 331        int queried;
 332};
 333
 334static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
 335{
 336        struct ref *fetch_map = NULL, **tail = &fetch_map;
 337        struct ref *ref, *stale_refs;
 338        int i;
 339
 340        for (i = 0; i < states->remote->fetch_refspec_nr; i++)
 341                if (get_fetch_map(remote_refs, states->remote->fetch + i, &tail, 1))
 342                        die(_("Could not get fetch map for refspec %s"),
 343                                states->remote->fetch_refspec[i]);
 344
 345        states->new.strdup_strings = 1;
 346        states->tracked.strdup_strings = 1;
 347        states->stale.strdup_strings = 1;
 348        for (ref = fetch_map; ref; ref = ref->next) {
 349                if (!ref->peer_ref || !ref_exists(ref->peer_ref->name))
 350                        string_list_append(&states->new, abbrev_branch(ref->name));
 351                else
 352                        string_list_append(&states->tracked, abbrev_branch(ref->name));
 353        }
 354        stale_refs = get_stale_heads(states->remote->fetch,
 355                                     states->remote->fetch_refspec_nr, fetch_map);
 356        for (ref = stale_refs; ref; ref = ref->next) {
 357                struct string_list_item *item =
 358                        string_list_append(&states->stale, abbrev_branch(ref->name));
 359                item->util = xstrdup(ref->name);
 360        }
 361        free_refs(stale_refs);
 362        free_refs(fetch_map);
 363
 364        sort_string_list(&states->new);
 365        sort_string_list(&states->tracked);
 366        sort_string_list(&states->stale);
 367
 368        return 0;
 369}
 370
 371struct push_info {
 372        char *dest;
 373        int forced;
 374        enum {
 375                PUSH_STATUS_CREATE = 0,
 376                PUSH_STATUS_DELETE,
 377                PUSH_STATUS_UPTODATE,
 378                PUSH_STATUS_FASTFORWARD,
 379                PUSH_STATUS_OUTOFDATE,
 380                PUSH_STATUS_NOTQUERIED
 381        } status;
 382};
 383
 384static int get_push_ref_states(const struct ref *remote_refs,
 385        struct ref_states *states)
 386{
 387        struct remote *remote = states->remote;
 388        struct ref *ref, *local_refs, *push_map;
 389        if (remote->mirror)
 390                return 0;
 391
 392        local_refs = get_local_heads();
 393        push_map = copy_ref_list(remote_refs);
 394
 395        match_push_refs(local_refs, &push_map, remote->push_refspec_nr,
 396                        remote->push_refspec, 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                hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
 406
 407                item = string_list_append(&states->push,
 408                                          abbrev_branch(ref->peer_ref->name));
 409                item->util = xcalloc(sizeof(struct push_info), 1);
 410                info = item->util;
 411                info->forced = ref->force;
 412                info->dest = xstrdup(abbrev_branch(ref->name));
 413
 414                if (is_null_sha1(ref->new_sha1)) {
 415                        info->status = PUSH_STATUS_DELETE;
 416                } else if (!hashcmp(ref->old_sha1, ref->new_sha1))
 417                        info->status = PUSH_STATUS_UPTODATE;
 418                else if (is_null_sha1(ref->old_sha1))
 419                        info->status = PUSH_STATUS_CREATE;
 420                else if (has_sha1_file(ref->old_sha1) &&
 421                         ref_newer(ref->new_sha1, ref->old_sha1))
 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_refspec_nr) {
 443                item = string_list_append(&states->push, _("(matching)"));
 444                info = item->util = xcalloc(sizeof(struct push_info), 1);
 445                info->status = PUSH_STATUS_NOTQUERIED;
 446                info->dest = xstrdup(item->string);
 447        }
 448        for (i = 0; i < remote->push_refspec_nr; i++) {
 449                struct refspec *spec = remote->push + 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(sizeof(struct push_info), 1);
 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 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 unsigned char *sha1, int flags, void *cb_data)
 520{
 521        struct branches_for_remote *branches = cb_data;
 522        struct refspec refspec;
 523        struct string_list_item *item;
 524        struct known_remote *kr;
 525
 526        memset(&refspec, 0, sizeof(refspec));
 527        refspec.dst = (char *)refname;
 528        if (remote_find_tracking(branches->remote, &refspec))
 529                return 0;
 530
 531        /* don't delete a branch if another remote also uses it */
 532        for (kr = branches->keep->list; kr; kr = kr->next) {
 533                memset(&refspec, 0, sizeof(refspec));
 534                refspec.dst = (char *)refname;
 535                if (!remote_find_tracking(kr->remote, &refspec))
 536                        return 0;
 537        }
 538
 539        /* don't delete non-remote-tracking refs */
 540        if (prefixcmp(refname, "refs/remotes/")) {
 541                /* advise user how to delete local branches */
 542                if (!prefixcmp(refname, "refs/heads/"))
 543                        string_list_append(branches->skipped,
 544                                           abbrev_branch(refname));
 545                /* silently skip over other non-remote refs */
 546                return 0;
 547        }
 548
 549        /* make sure that symrefs are deleted */
 550        if (flags & REF_ISSYMREF)
 551                return unlink(git_path("%s", refname));
 552
 553        item = string_list_append(branches->branches, refname);
 554        item->util = xmalloc(20);
 555        hashcpy(item->util, sha1);
 556
 557        return 0;
 558}
 559
 560struct rename_info {
 561        const char *old;
 562        const char *new;
 563        struct string_list *remote_branches;
 564};
 565
 566static int read_remote_branches(const char *refname,
 567        const unsigned char *sha1, int flags, void *cb_data)
 568{
 569        struct rename_info *rename = cb_data;
 570        struct strbuf buf = STRBUF_INIT;
 571        struct string_list_item *item;
 572        int flag;
 573        unsigned char orig_sha1[20];
 574        const char *symref;
 575
 576        strbuf_addf(&buf, "refs/remotes/%s/", rename->old);
 577        if (!prefixcmp(refname, buf.buf)) {
 578                item = string_list_append(rename->remote_branches, xstrdup(refname));
 579                symref = resolve_ref_unsafe(refname, orig_sha1, 1, &flag);
 580                if (flag & REF_ISSYMREF)
 581                        item->util = xstrdup(symref);
 582                else
 583                        item->util = NULL;
 584        }
 585
 586        return 0;
 587}
 588
 589static int migrate_file(struct remote *remote)
 590{
 591        struct strbuf buf = STRBUF_INIT;
 592        int i;
 593        char *path = NULL;
 594
 595        strbuf_addf(&buf, "remote.%s.url", remote->name);
 596        for (i = 0; i < remote->url_nr; i++)
 597                if (git_config_set_multivar(buf.buf, remote->url[i], "^$", 0))
 598                        return error(_("Could not append '%s' to '%s'"),
 599                                        remote->url[i], buf.buf);
 600        strbuf_reset(&buf);
 601        strbuf_addf(&buf, "remote.%s.push", remote->name);
 602        for (i = 0; i < remote->push_refspec_nr; i++)
 603                if (git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0))
 604                        return error(_("Could not append '%s' to '%s'"),
 605                                        remote->push_refspec[i], buf.buf);
 606        strbuf_reset(&buf);
 607        strbuf_addf(&buf, "remote.%s.fetch", remote->name);
 608        for (i = 0; i < remote->fetch_refspec_nr; i++)
 609                if (git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0))
 610                        return error(_("Could not append '%s' to '%s'"),
 611                                        remote->fetch_refspec[i], buf.buf);
 612        if (remote->origin == REMOTE_REMOTES)
 613                path = git_path("remotes/%s", remote->name);
 614        else if (remote->origin == REMOTE_BRANCHES)
 615                path = git_path("branches/%s", remote->name);
 616        if (path)
 617                unlink_or_warn(path);
 618        return 0;
 619}
 620
 621static int mv(int argc, const char **argv)
 622{
 623        struct option options[] = {
 624                OPT_END()
 625        };
 626        struct remote *oldremote, *newremote;
 627        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT,
 628                old_remote_context = STRBUF_INIT;
 629        struct string_list remote_branches = STRING_LIST_INIT_NODUP;
 630        struct rename_info rename;
 631        int i, refspec_updated = 0;
 632
 633        if (argc != 3)
 634                usage_with_options(builtin_remote_rename_usage, options);
 635
 636        rename.old = argv[1];
 637        rename.new = argv[2];
 638        rename.remote_branches = &remote_branches;
 639
 640        oldremote = remote_get(rename.old);
 641        if (!oldremote)
 642                die(_("No such remote: %s"), rename.old);
 643
 644        if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
 645                return migrate_file(oldremote);
 646
 647        newremote = remote_get(rename.new);
 648        if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
 649                die(_("remote %s already exists."), rename.new);
 650
 651        strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
 652        if (!valid_fetch_refspec(buf.buf))
 653                die(_("'%s' is not a valid remote name"), rename.new);
 654
 655        strbuf_reset(&buf);
 656        strbuf_addf(&buf, "remote.%s", rename.old);
 657        strbuf_addf(&buf2, "remote.%s", rename.new);
 658        if (git_config_rename_section(buf.buf, buf2.buf) < 1)
 659                return error(_("Could not rename config section '%s' to '%s'"),
 660                                buf.buf, buf2.buf);
 661
 662        strbuf_reset(&buf);
 663        strbuf_addf(&buf, "remote.%s.fetch", rename.new);
 664        if (git_config_set_multivar(buf.buf, NULL, NULL, 1))
 665                return error(_("Could not remove config section '%s'"), buf.buf);
 666        strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old);
 667        for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
 668                char *ptr;
 669
 670                strbuf_reset(&buf2);
 671                strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
 672                ptr = strstr(buf2.buf, old_remote_context.buf);
 673                if (ptr) {
 674                        refspec_updated = 1;
 675                        strbuf_splice(&buf2,
 676                                      ptr-buf2.buf + strlen(":refs/remotes/"),
 677                                      strlen(rename.old), rename.new,
 678                                      strlen(rename.new));
 679                } else
 680                        warning(_("Not updating non-default fetch refspec\n"
 681                                  "\t%s\n"
 682                                  "\tPlease update the configuration manually if necessary."),
 683                                buf2.buf);
 684
 685                if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
 686                        return error(_("Could not append '%s'"), buf.buf);
 687        }
 688
 689        read_branches();
 690        for (i = 0; i < branch_list.nr; i++) {
 691                struct string_list_item *item = branch_list.items + i;
 692                struct branch_info *info = item->util;
 693                if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
 694                        strbuf_reset(&buf);
 695                        strbuf_addf(&buf, "branch.%s.remote", item->string);
 696                        if (git_config_set(buf.buf, rename.new)) {
 697                                return error(_("Could not set '%s'"), buf.buf);
 698                        }
 699                }
 700        }
 701
 702        if (!refspec_updated)
 703                return 0;
 704
 705        /*
 706         * First remove symrefs, then rename the rest, finally create
 707         * the new symrefs.
 708         */
 709        for_each_ref(read_remote_branches, &rename);
 710        for (i = 0; i < remote_branches.nr; i++) {
 711                struct string_list_item *item = remote_branches.items + i;
 712                int flag = 0;
 713                unsigned char sha1[20];
 714
 715                read_ref_full(item->string, sha1, 1, &flag);
 716                if (!(flag & REF_ISSYMREF))
 717                        continue;
 718                if (delete_ref(item->string, NULL, REF_NODEREF))
 719                        die(_("deleting '%s' failed"), item->string);
 720        }
 721        for (i = 0; i < remote_branches.nr; i++) {
 722                struct string_list_item *item = remote_branches.items + i;
 723
 724                if (item->util)
 725                        continue;
 726                strbuf_reset(&buf);
 727                strbuf_addstr(&buf, item->string);
 728                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 729                                rename.new, strlen(rename.new));
 730                strbuf_reset(&buf2);
 731                strbuf_addf(&buf2, "remote: renamed %s to %s",
 732                                item->string, buf.buf);
 733                if (rename_ref(item->string, buf.buf, buf2.buf))
 734                        die(_("renaming '%s' failed"), item->string);
 735        }
 736        for (i = 0; i < remote_branches.nr; i++) {
 737                struct string_list_item *item = remote_branches.items + i;
 738
 739                if (!item->util)
 740                        continue;
 741                strbuf_reset(&buf);
 742                strbuf_addstr(&buf, item->string);
 743                strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 744                                rename.new, strlen(rename.new));
 745                strbuf_reset(&buf2);
 746                strbuf_addstr(&buf2, item->util);
 747                strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
 748                                rename.new, strlen(rename.new));
 749                strbuf_reset(&buf3);
 750                strbuf_addf(&buf3, "remote: renamed %s to %s",
 751                                item->string, buf.buf);
 752                if (create_symref(buf.buf, buf2.buf, buf3.buf))
 753                        die(_("creating '%s' failed"), buf.buf);
 754        }
 755        return 0;
 756}
 757
 758static int remove_branches(struct string_list *branches)
 759{
 760        int i, result = 0;
 761        for (i = 0; i < branches->nr; i++) {
 762                struct string_list_item *item = branches->items + i;
 763                const char *refname = item->string;
 764                unsigned char *sha1 = item->util;
 765
 766                if (delete_ref(refname, sha1, 0))
 767                        result |= error(_("Could not remove branch %s"), refname);
 768        }
 769        return result;
 770}
 771
 772static int rm(int argc, const char **argv)
 773{
 774        struct option options[] = {
 775                OPT_END()
 776        };
 777        struct remote *remote;
 778        struct strbuf buf = STRBUF_INIT;
 779        struct known_remotes known_remotes = { NULL, NULL };
 780        struct string_list branches = STRING_LIST_INIT_DUP;
 781        struct string_list skipped = STRING_LIST_INIT_DUP;
 782        struct branches_for_remote cb_data;
 783        int i, result;
 784
 785        memset(&cb_data, 0, sizeof(cb_data));
 786        cb_data.branches = &branches;
 787        cb_data.skipped = &skipped;
 788        cb_data.keep = &known_remotes;
 789
 790        if (argc != 2)
 791                usage_with_options(builtin_remote_rm_usage, options);
 792
 793        remote = remote_get(argv[1]);
 794        if (!remote)
 795                die(_("No such remote: %s"), argv[1]);
 796
 797        known_remotes.to_delete = remote;
 798        for_each_remote(add_known_remote, &known_remotes);
 799
 800        strbuf_addf(&buf, "remote.%s", remote->name);
 801        if (git_config_rename_section(buf.buf, NULL) < 1)
 802                return error(_("Could not remove config section '%s'"), buf.buf);
 803
 804        read_branches();
 805        for (i = 0; i < branch_list.nr; i++) {
 806                struct string_list_item *item = branch_list.items + i;
 807                struct branch_info *info = item->util;
 808                if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
 809                        const char *keys[] = { "remote", "merge", NULL }, **k;
 810                        for (k = keys; *k; k++) {
 811                                strbuf_reset(&buf);
 812                                strbuf_addf(&buf, "branch.%s.%s",
 813                                                item->string, *k);
 814                                if (git_config_set(buf.buf, NULL)) {
 815                                        strbuf_release(&buf);
 816                                        return -1;
 817                                }
 818                        }
 819                }
 820        }
 821
 822        /*
 823         * We cannot just pass a function to for_each_ref() which deletes
 824         * the branches one by one, since for_each_ref() relies on cached
 825         * refs, which are invalidated when deleting a branch.
 826         */
 827        cb_data.remote = remote;
 828        result = for_each_ref(add_branch_for_removal, &cb_data);
 829        strbuf_release(&buf);
 830
 831        if (!result)
 832                result = remove_branches(&branches);
 833        string_list_clear(&branches, 1);
 834
 835        if (skipped.nr) {
 836                fprintf_ln(stderr,
 837                           Q_("Note: A branch outside the refs/remotes/ hierarchy was not removed;\n"
 838                              "to delete it, use:",
 839                              "Note: Some branches outside the refs/remotes/ hierarchy were not removed;\n"
 840                              "to delete them, use:",
 841                              skipped.nr));
 842                for (i = 0; i < skipped.nr; i++)
 843                        fprintf(stderr, "  git branch -d %s\n",
 844                                skipped.items[i].string);
 845        }
 846        string_list_clear(&skipped, 0);
 847
 848        return result;
 849}
 850
 851static void clear_push_info(void *util, const char *string)
 852{
 853        struct push_info *info = util;
 854        free(info->dest);
 855        free(info);
 856}
 857
 858static void free_remote_ref_states(struct ref_states *states)
 859{
 860        string_list_clear(&states->new, 0);
 861        string_list_clear(&states->stale, 1);
 862        string_list_clear(&states->tracked, 0);
 863        string_list_clear(&states->heads, 0);
 864        string_list_clear_func(&states->push, clear_push_info);
 865}
 866
 867static int append_ref_to_tracked_list(const char *refname,
 868        const unsigned char *sha1, int flags, void *cb_data)
 869{
 870        struct ref_states *states = cb_data;
 871        struct refspec refspec;
 872
 873        if (flags & REF_ISSYMREF)
 874                return 0;
 875
 876        memset(&refspec, 0, sizeof(refspec));
 877        refspec.dst = (char *)refname;
 878        if (!remote_find_tracking(states->remote, &refspec))
 879                string_list_append(&states->tracked, abbrev_branch(refspec.src));
 880
 881        return 0;
 882}
 883
 884static int get_remote_ref_states(const char *name,
 885                                 struct ref_states *states,
 886                                 int query)
 887{
 888        struct transport *transport;
 889        const struct ref *remote_refs;
 890
 891        states->remote = remote_get(name);
 892        if (!states->remote)
 893                return error(_("No such remote: %s"), name);
 894
 895        read_branches();
 896
 897        if (query) {
 898                transport = transport_get(states->remote, states->remote->url_nr > 0 ?
 899                        states->remote->url[0] : NULL);
 900                remote_refs = transport_get_remote_refs(transport);
 901                transport_disconnect(transport);
 902
 903                states->queried = 1;
 904                if (query & GET_REF_STATES)
 905                        get_ref_states(remote_refs, states);
 906                if (query & GET_HEAD_NAMES)
 907                        get_head_names(remote_refs, states);
 908                if (query & GET_PUSH_REF_STATES)
 909                        get_push_ref_states(remote_refs, states);
 910        } else {
 911                for_each_ref(append_ref_to_tracked_list, states);
 912                sort_string_list(&states->tracked);
 913                get_push_ref_states_noquery(states);
 914        }
 915
 916        return 0;
 917}
 918
 919struct show_info {
 920        struct string_list *list;
 921        struct ref_states *states;
 922        int width, width2;
 923        int any_rebase;
 924};
 925
 926static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
 927{
 928        struct show_info *info = cb_data;
 929        int n = strlen(item->string);
 930        if (n > info->width)
 931                info->width = n;
 932        string_list_insert(info->list, item->string);
 933        return 0;
 934}
 935
 936static int show_remote_info_item(struct string_list_item *item, void *cb_data)
 937{
 938        struct show_info *info = cb_data;
 939        struct ref_states *states = info->states;
 940        const char *name = item->string;
 941
 942        if (states->queried) {
 943                const char *fmt = "%s";
 944                const char *arg = "";
 945                if (string_list_has_string(&states->new, name)) {
 946                        fmt = _(" new (next fetch will store in remotes/%s)");
 947                        arg = states->remote->name;
 948                } else if (string_list_has_string(&states->tracked, name))
 949                        arg = _(" tracked");
 950                else if (string_list_has_string(&states->stale, name))
 951                        arg = _(" stale (use 'git remote prune' to remove)");
 952                else
 953                        arg = _(" ???");
 954                printf("    %-*s", info->width, name);
 955                printf(fmt, arg);
 956                printf("\n");
 957        } else
 958                printf("    %s\n", name);
 959
 960        return 0;
 961}
 962
 963static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
 964{
 965        struct show_info *show_info = cb_data;
 966        struct ref_states *states = show_info->states;
 967        struct branch_info *branch_info = branch_item->util;
 968        struct string_list_item *item;
 969        int n;
 970
 971        if (!branch_info->merge.nr || !branch_info->remote_name ||
 972            strcmp(states->remote->name, branch_info->remote_name))
 973                return 0;
 974        if ((n = strlen(branch_item->string)) > show_info->width)
 975                show_info->width = n;
 976        if (branch_info->rebase)
 977                show_info->any_rebase = 1;
 978
 979        item = string_list_insert(show_info->list, branch_item->string);
 980        item->util = branch_info;
 981
 982        return 0;
 983}
 984
 985static int show_local_info_item(struct string_list_item *item, void *cb_data)
 986{
 987        struct show_info *show_info = cb_data;
 988        struct branch_info *branch_info = item->util;
 989        struct string_list *merge = &branch_info->merge;
 990        const char *also;
 991        int i;
 992
 993        if (branch_info->rebase && branch_info->merge.nr > 1) {
 994                error(_("invalid branch.%s.merge; cannot rebase onto > 1 branch"),
 995                        item->string);
 996                return 0;
 997        }
 998
 999        printf("    %-*s ", show_info->width, item->string);
1000        if (branch_info->rebase) {
1001                printf_ln(_("rebases onto remote %s"), merge->items[0].string);
1002                return 0;
1003        } else if (show_info->any_rebase) {
1004                printf_ln(_(" merges with remote %s"), merge->items[0].string);
1005                also = _("    and with remote");
1006        } else {
1007                printf_ln(_("merges with remote %s"), merge->items[0].string);
1008                also = _("   and with remote");
1009        }
1010        for (i = 1; i < merge->nr; i++)
1011                printf("    %-*s %s %s\n", show_info->width, "", also,
1012                       merge->items[i].string);
1013
1014        return 0;
1015}
1016
1017static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
1018{
1019        struct show_info *show_info = cb_data;
1020        struct push_info *push_info = push_item->util;
1021        struct string_list_item *item;
1022        int n;
1023        if ((n = strlen(push_item->string)) > show_info->width)
1024                show_info->width = n;
1025        if ((n = strlen(push_info->dest)) > show_info->width2)
1026                show_info->width2 = n;
1027        item = string_list_append(show_info->list, push_item->string);
1028        item->util = push_item->util;
1029        return 0;
1030}
1031
1032/*
1033 * Sorting comparison for a string list that has push_info
1034 * structs in its util field
1035 */
1036static int cmp_string_with_push(const void *va, const void *vb)
1037{
1038        const struct string_list_item *a = va;
1039        const struct string_list_item *b = vb;
1040        const struct push_info *a_push = a->util;
1041        const struct push_info *b_push = b->util;
1042        int cmp = strcmp(a->string, b->string);
1043        return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
1044}
1045
1046static int show_push_info_item(struct string_list_item *item, void *cb_data)
1047{
1048        struct show_info *show_info = cb_data;
1049        struct push_info *push_info = item->util;
1050        const char *src = item->string, *status = NULL;
1051
1052        switch (push_info->status) {
1053        case PUSH_STATUS_CREATE:
1054                status = _("create");
1055                break;
1056        case PUSH_STATUS_DELETE:
1057                status = _("delete");
1058                src = _("(none)");
1059                break;
1060        case PUSH_STATUS_UPTODATE:
1061                status = _("up to date");
1062                break;
1063        case PUSH_STATUS_FASTFORWARD:
1064                status = _("fast-forwardable");
1065                break;
1066        case PUSH_STATUS_OUTOFDATE:
1067                status = _("local out of date");
1068                break;
1069        case PUSH_STATUS_NOTQUERIED:
1070                break;
1071        }
1072        if (status) {
1073                if (push_info->forced)
1074                        printf_ln(_("    %-*s forces to %-*s (%s)"), show_info->width, src,
1075                               show_info->width2, push_info->dest, status);
1076                else
1077                        printf_ln(_("    %-*s pushes to %-*s (%s)"), show_info->width, src,
1078                               show_info->width2, push_info->dest, status);
1079        } else {
1080                if (push_info->forced)
1081                        printf_ln(_("    %-*s forces to %s"), show_info->width, src,
1082                               push_info->dest);
1083                else
1084                        printf_ln(_("    %-*s pushes to %s"), show_info->width, src,
1085                               push_info->dest);
1086        }
1087        return 0;
1088}
1089
1090static int get_one_entry(struct remote *remote, void *priv)
1091{
1092        struct string_list *list = priv;
1093        struct strbuf url_buf = STRBUF_INIT;
1094        const char **url;
1095        int i, url_nr;
1096
1097        if (remote->url_nr > 0) {
1098                strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
1099                string_list_append(list, remote->name)->util =
1100                                strbuf_detach(&url_buf, NULL);
1101        } else
1102                string_list_append(list, remote->name)->util = NULL;
1103        if (remote->pushurl_nr) {
1104                url = remote->pushurl;
1105                url_nr = remote->pushurl_nr;
1106        } else {
1107                url = remote->url;
1108                url_nr = remote->url_nr;
1109        }
1110        for (i = 0; i < url_nr; i++)
1111        {
1112                strbuf_addf(&url_buf, "%s (push)", url[i]);
1113                string_list_append(list, remote->name)->util =
1114                                strbuf_detach(&url_buf, NULL);
1115        }
1116
1117        return 0;
1118}
1119
1120static int show_all(void)
1121{
1122        struct string_list list = STRING_LIST_INIT_NODUP;
1123        int result;
1124
1125        list.strdup_strings = 1;
1126        result = for_each_remote(get_one_entry, &list);
1127
1128        if (!result) {
1129                int i;
1130
1131                sort_string_list(&list);
1132                for (i = 0; i < list.nr; i++) {
1133                        struct string_list_item *item = list.items + i;
1134                        if (verbose)
1135                                printf("%s\t%s\n", item->string,
1136                                        item->util ? (const char *)item->util : "");
1137                        else {
1138                                if (i && !strcmp((item - 1)->string, item->string))
1139                                        continue;
1140                                printf("%s\n", item->string);
1141                        }
1142                }
1143        }
1144        string_list_clear(&list, 1);
1145        return result;
1146}
1147
1148static int show(int argc, const char **argv)
1149{
1150        int no_query = 0, result = 0, query_flag = 0;
1151        struct option options[] = {
1152                OPT_BOOL('n', NULL, &no_query, N_("do not query remotes")),
1153                OPT_END()
1154        };
1155        struct ref_states states;
1156        struct string_list info_list = STRING_LIST_INIT_NODUP;
1157        struct show_info info;
1158
1159        argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
1160                             0);
1161
1162        if (argc < 1)
1163                return show_all();
1164
1165        if (!no_query)
1166                query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
1167
1168        memset(&states, 0, sizeof(states));
1169        memset(&info, 0, sizeof(info));
1170        info.states = &states;
1171        info.list = &info_list;
1172        for (; argc; argc--, argv++) {
1173                int i;
1174                const char **url;
1175                int url_nr;
1176
1177                get_remote_ref_states(*argv, &states, query_flag);
1178
1179                printf_ln(_("* remote %s"), *argv);
1180                printf_ln(_("  Fetch URL: %s"), states.remote->url_nr > 0 ?
1181                       states.remote->url[0] : _("(no URL)"));
1182                if (states.remote->pushurl_nr) {
1183                        url = states.remote->pushurl;
1184                        url_nr = states.remote->pushurl_nr;
1185                } else {
1186                        url = states.remote->url;
1187                        url_nr = states.remote->url_nr;
1188                }
1189                for (i = 0; i < url_nr; i++)
1190                        printf_ln(_("  Push  URL: %s"), url[i]);
1191                if (!i)
1192                        printf_ln(_("  Push  URL: %s"), "(no URL)");
1193                if (no_query)
1194                        printf_ln(_("  HEAD branch: %s"), "(not queried)");
1195                else if (!states.heads.nr)
1196                        printf_ln(_("  HEAD branch: %s"), "(unknown)");
1197                else if (states.heads.nr == 1)
1198                        printf_ln(_("  HEAD branch: %s"), states.heads.items[0].string);
1199                else {
1200                        printf(_("  HEAD branch (remote HEAD is ambiguous,"
1201                                 " may be one of the following):\n"));
1202                        for (i = 0; i < states.heads.nr; i++)
1203                                printf("    %s\n", states.heads.items[i].string);
1204                }
1205
1206                /* remote branch info */
1207                info.width = 0;
1208                for_each_string_list(&states.new, add_remote_to_show_info, &info);
1209                for_each_string_list(&states.tracked, add_remote_to_show_info, &info);
1210                for_each_string_list(&states.stale, add_remote_to_show_info, &info);
1211                if (info.list->nr)
1212                        printf_ln(Q_("  Remote branch:%s",
1213                                     "  Remote branches:%s",
1214                                     info.list->nr),
1215                                  no_query ? _(" (status not queried)") : "");
1216                for_each_string_list(info.list, show_remote_info_item, &info);
1217                string_list_clear(info.list, 0);
1218
1219                /* git pull info */
1220                info.width = 0;
1221                info.any_rebase = 0;
1222                for_each_string_list(&branch_list, add_local_to_show_info, &info);
1223                if (info.list->nr)
1224                        printf_ln(Q_("  Local branch configured for 'git pull':",
1225                                     "  Local branches configured for 'git pull':",
1226                                     info.list->nr));
1227                for_each_string_list(info.list, show_local_info_item, &info);
1228                string_list_clear(info.list, 0);
1229
1230                /* git push info */
1231                if (states.remote->mirror)
1232                        printf_ln(_("  Local refs will be mirrored by 'git push'"));
1233
1234                info.width = info.width2 = 0;
1235                for_each_string_list(&states.push, add_push_to_show_info, &info);
1236                qsort(info.list->items, info.list->nr,
1237                        sizeof(*info.list->items), cmp_string_with_push);
1238                if (info.list->nr)
1239                        printf_ln(Q_("  Local ref configured for 'git push'%s:",
1240                                     "  Local refs configured for 'git push'%s:",
1241                                     info.list->nr),
1242                                  no_query ? _(" (status not queried)") : "");
1243                for_each_string_list(info.list, show_push_info_item, &info);
1244                string_list_clear(info.list, 0);
1245
1246                free_remote_ref_states(&states);
1247        }
1248
1249        return result;
1250}
1251
1252static int set_head(int argc, const char **argv)
1253{
1254        int i, opt_a = 0, opt_d = 0, result = 0;
1255        struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1256        char *head_name = NULL;
1257
1258        struct option options[] = {
1259                OPT_BOOL('a', "auto", &opt_a,
1260                         N_("set refs/remotes/<name>/HEAD according to remote")),
1261                OPT_BOOL('d', "delete", &opt_d,
1262                         N_("delete refs/remotes/<name>/HEAD")),
1263                OPT_END()
1264        };
1265        argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
1266                             0);
1267        if (argc)
1268                strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1269
1270        if (!opt_a && !opt_d && argc == 2) {
1271                head_name = xstrdup(argv[1]);
1272        } else if (opt_a && !opt_d && argc == 1) {
1273                struct ref_states states;
1274                memset(&states, 0, sizeof(states));
1275                get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1276                if (!states.heads.nr)
1277                        result |= error(_("Cannot determine remote HEAD"));
1278                else if (states.heads.nr > 1) {
1279                        result |= error(_("Multiple remote HEAD branches. "
1280                                          "Please choose one explicitly with:"));
1281                        for (i = 0; i < states.heads.nr; i++)
1282                                fprintf(stderr, "  git remote set-head %s %s\n",
1283                                        argv[0], states.heads.items[i].string);
1284                } else
1285                        head_name = xstrdup(states.heads.items[0].string);
1286                free_remote_ref_states(&states);
1287        } else if (opt_d && !opt_a && argc == 1) {
1288                if (delete_ref(buf.buf, NULL, REF_NODEREF))
1289                        result |= error(_("Could not delete %s"), buf.buf);
1290        } else
1291                usage_with_options(builtin_remote_sethead_usage, options);
1292
1293        if (head_name) {
1294                strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1295                /* make sure it's valid */
1296                if (!ref_exists(buf2.buf))
1297                        result |= error(_("Not a valid ref: %s"), buf2.buf);
1298                else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1299                        result |= error(_("Could not setup %s"), buf.buf);
1300                if (opt_a)
1301                        printf("%s/HEAD set to %s\n", argv[0], head_name);
1302                free(head_name);
1303        }
1304
1305        strbuf_release(&buf);
1306        strbuf_release(&buf2);
1307        return result;
1308}
1309
1310static int prune_remote(const char *remote, int dry_run)
1311{
1312        int result = 0, i;
1313        struct ref_states states;
1314        const char *dangling_msg = dry_run
1315                ? _(" %s will become dangling!")
1316                : _(" %s has become dangling!");
1317
1318        memset(&states, 0, sizeof(states));
1319        get_remote_ref_states(remote, &states, GET_REF_STATES);
1320
1321        if (states.stale.nr) {
1322                printf_ln(_("Pruning %s"), remote);
1323                printf_ln(_("URL: %s"),
1324                       states.remote->url_nr
1325                       ? states.remote->url[0]
1326                       : _("(no URL)"));
1327        }
1328
1329        for (i = 0; i < states.stale.nr; i++) {
1330                const char *refname = states.stale.items[i].util;
1331
1332                if (!dry_run)
1333                        result |= delete_ref(refname, NULL, 0);
1334
1335                if (dry_run)
1336                        printf_ln(_(" * [would prune] %s"),
1337                               abbrev_ref(refname, "refs/remotes/"));
1338                else
1339                        printf_ln(_(" * [pruned] %s"),
1340                               abbrev_ref(refname, "refs/remotes/"));
1341                warn_dangling_symref(stdout, dangling_msg, refname);
1342        }
1343
1344        free_remote_ref_states(&states);
1345        return result;
1346}
1347
1348static int prune(int argc, const char **argv)
1349{
1350        int dry_run = 0, result = 0;
1351        struct option options[] = {
1352                OPT__DRY_RUN(&dry_run, N_("dry run")),
1353                OPT_END()
1354        };
1355
1356        argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
1357                             0);
1358
1359        if (argc < 1)
1360                usage_with_options(builtin_remote_prune_usage, options);
1361
1362        for (; argc; argc--, argv++)
1363                result |= prune_remote(*argv, dry_run);
1364
1365        return result;
1366}
1367
1368static int get_remote_default(const char *key, const char *value, void *priv)
1369{
1370        if (strcmp(key, "remotes.default") == 0) {
1371                int *found = priv;
1372                *found = 1;
1373        }
1374        return 0;
1375}
1376
1377static int update(int argc, const char **argv)
1378{
1379        int i, prune = -1;
1380        struct option options[] = {
1381                OPT_BOOL('p', "prune", &prune,
1382                         N_("prune remotes after fetching")),
1383                OPT_END()
1384        };
1385        struct argv_array fetch_argv = ARGV_ARRAY_INIT;
1386        int default_defined = 0;
1387        int retval;
1388
1389        argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1390                             PARSE_OPT_KEEP_ARGV0);
1391
1392        argv_array_push(&fetch_argv, "fetch");
1393
1394        if (prune != -1)
1395                argv_array_push(&fetch_argv, prune ? "--prune" : "--no-prune");
1396        if (verbose)
1397                argv_array_push(&fetch_argv, "-v");
1398        argv_array_push(&fetch_argv, "--multiple");
1399        if (argc < 2)
1400                argv_array_push(&fetch_argv, "default");
1401        for (i = 1; i < argc; i++)
1402                argv_array_push(&fetch_argv, argv[i]);
1403
1404        if (strcmp(fetch_argv.argv[fetch_argv.argc-1], "default") == 0) {
1405                git_config(get_remote_default, &default_defined);
1406                if (!default_defined) {
1407                        argv_array_pop(&fetch_argv);
1408                        argv_array_push(&fetch_argv, "--all");
1409                }
1410        }
1411
1412        retval = run_command_v_opt(fetch_argv.argv, RUN_GIT_CMD);
1413        argv_array_clear(&fetch_argv);
1414        return retval;
1415}
1416
1417static int remove_all_fetch_refspecs(const char *remote, const char *key)
1418{
1419        return git_config_set_multivar(key, NULL, NULL, 1);
1420}
1421
1422static int add_branches(struct remote *remote, const char **branches,
1423                        const char *key)
1424{
1425        const char *remotename = remote->name;
1426        int mirror = remote->mirror;
1427        struct strbuf refspec = STRBUF_INIT;
1428
1429        for (; *branches; branches++)
1430                if (add_branch(key, *branches, remotename, mirror, &refspec)) {
1431                        strbuf_release(&refspec);
1432                        return 1;
1433                }
1434
1435        strbuf_release(&refspec);
1436        return 0;
1437}
1438
1439static int set_remote_branches(const char *remotename, const char **branches,
1440                                int add_mode)
1441{
1442        struct strbuf key = STRBUF_INIT;
1443        struct remote *remote;
1444
1445        strbuf_addf(&key, "remote.%s.fetch", remotename);
1446
1447        if (!remote_is_configured(remotename))
1448                die(_("No such remote '%s'"), remotename);
1449        remote = remote_get(remotename);
1450
1451        if (!add_mode && remove_all_fetch_refspecs(remotename, key.buf)) {
1452                strbuf_release(&key);
1453                return 1;
1454        }
1455        if (add_branches(remote, branches, key.buf)) {
1456                strbuf_release(&key);
1457                return 1;
1458        }
1459
1460        strbuf_release(&key);
1461        return 0;
1462}
1463
1464static int set_branches(int argc, const char **argv)
1465{
1466        int add_mode = 0;
1467        struct option options[] = {
1468                OPT_BOOL('\0', "add", &add_mode, N_("add branch")),
1469                OPT_END()
1470        };
1471
1472        argc = parse_options(argc, argv, NULL, options,
1473                             builtin_remote_setbranches_usage, 0);
1474        if (argc == 0) {
1475                error(_("no remote specified"));
1476                usage_with_options(builtin_remote_setbranches_usage, options);
1477        }
1478        argv[argc] = NULL;
1479
1480        return set_remote_branches(argv[0], argv + 1, add_mode);
1481}
1482
1483static int set_url(int argc, const char **argv)
1484{
1485        int i, push_mode = 0, add_mode = 0, delete_mode = 0;
1486        int matches = 0, negative_matches = 0;
1487        const char *remotename = NULL;
1488        const char *newurl = NULL;
1489        const char *oldurl = NULL;
1490        struct remote *remote;
1491        regex_t old_regex;
1492        const char **urlset;
1493        int urlset_nr;
1494        struct strbuf name_buf = STRBUF_INIT;
1495        struct option options[] = {
1496                OPT_BOOL('\0', "push", &push_mode,
1497                         N_("manipulate push URLs")),
1498                OPT_BOOL('\0', "add", &add_mode,
1499                         N_("add URL")),
1500                OPT_BOOL('\0', "delete", &delete_mode,
1501                            N_("delete URLs")),
1502                OPT_END()
1503        };
1504        argc = parse_options(argc, argv, NULL, options, builtin_remote_seturl_usage,
1505                             PARSE_OPT_KEEP_ARGV0);
1506
1507        if (add_mode && delete_mode)
1508                die(_("--add --delete doesn't make sense"));
1509
1510        if (argc < 3 || argc > 4 || ((add_mode || delete_mode) && argc != 3))
1511                usage_with_options(builtin_remote_seturl_usage, options);
1512
1513        remotename = argv[1];
1514        newurl = argv[2];
1515        if (argc > 3)
1516                oldurl = argv[3];
1517
1518        if (delete_mode)
1519                oldurl = newurl;
1520
1521        if (!remote_is_configured(remotename))
1522                die(_("No such remote '%s'"), remotename);
1523        remote = remote_get(remotename);
1524
1525        if (push_mode) {
1526                strbuf_addf(&name_buf, "remote.%s.pushurl", remotename);
1527                urlset = remote->pushurl;
1528                urlset_nr = remote->pushurl_nr;
1529        } else {
1530                strbuf_addf(&name_buf, "remote.%s.url", remotename);
1531                urlset = remote->url;
1532                urlset_nr = remote->url_nr;
1533        }
1534
1535        /* Special cases that add new entry. */
1536        if ((!oldurl && !delete_mode) || add_mode) {
1537                if (add_mode)
1538                        git_config_set_multivar(name_buf.buf, newurl,
1539                                "^$", 0);
1540                else
1541                        git_config_set(name_buf.buf, newurl);
1542                strbuf_release(&name_buf);
1543                return 0;
1544        }
1545
1546        /* Old URL specified. Demand that one matches. */
1547        if (regcomp(&old_regex, oldurl, REG_EXTENDED))
1548                die(_("Invalid old URL pattern: %s"), oldurl);
1549
1550        for (i = 0; i < urlset_nr; i++)
1551                if (!regexec(&old_regex, urlset[i], 0, NULL, 0))
1552                        matches++;
1553                else
1554                        negative_matches++;
1555        if (!delete_mode && !matches)
1556                die(_("No such URL found: %s"), oldurl);
1557        if (delete_mode && !negative_matches && !push_mode)
1558                die(_("Will not delete all non-push URLs"));
1559
1560        regfree(&old_regex);
1561
1562        if (!delete_mode)
1563                git_config_set_multivar(name_buf.buf, newurl, oldurl, 0);
1564        else
1565                git_config_set_multivar(name_buf.buf, NULL, oldurl, 1);
1566        return 0;
1567}
1568
1569int cmd_remote(int argc, const char **argv, const char *prefix)
1570{
1571        struct option options[] = {
1572                OPT__VERBOSE(&verbose, N_("be verbose; must be placed before a subcommand")),
1573                OPT_END()
1574        };
1575        int result;
1576
1577        argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1578                PARSE_OPT_STOP_AT_NON_OPTION);
1579
1580        if (argc < 1)
1581                result = show_all();
1582        else if (!strcmp(argv[0], "add"))
1583                result = add(argc, argv);
1584        else if (!strcmp(argv[0], "rename"))
1585                result = mv(argc, argv);
1586        else if (!strcmp(argv[0], "rm") || !strcmp(argv[0], "remove"))
1587                result = rm(argc, argv);
1588        else if (!strcmp(argv[0], "set-head"))
1589                result = set_head(argc, argv);
1590        else if (!strcmp(argv[0], "set-branches"))
1591                result = set_branches(argc, argv);
1592        else if (!strcmp(argv[0], "set-url"))
1593                result = set_url(argc, argv);
1594        else if (!strcmp(argv[0], "show"))
1595                result = show(argc, argv);
1596        else if (!strcmp(argv[0], "prune"))
1597                result = prune(argc, argv);
1598        else if (!strcmp(argv[0], "update"))
1599                result = update(argc, argv);
1600        else {
1601                error(_("Unknown subcommand: %s"), argv[0]);
1602                usage_with_options(builtin_remote_usage, options);
1603        }
1604
1605        return result ? 1 : 0;
1606}