git.oblomov.eu Git - git/blob - builtin/push.c

   1 /*
   2  * "git push"
   3  */
   4 #include "cache.h"
   5 #include "config.h"
   6 #include "refs.h"
   7 #include "refspec.h"
   8 #include "run-command.h"
   9 #include "builtin.h"
  10 #include "remote.h"
  11 #include "transport.h"
  12 #include "parse-options.h"
  13 #include "submodule.h"
  14 #include "submodule-config.h"
  15 #include "send-pack.h"
  16 #include "color.h"
  17
  18 static const char * const push_usage[] = {
  19         N_("git push [<options>] [<repository> [<refspec>...]]"),
  20         NULL,
  21 };
  22
  23 static int push_use_color = -1;
  24 static char push_colors[][COLOR_MAXLEN] = {
  25         GIT_COLOR_RESET,
  26         GIT_COLOR_RED,  /* ERROR */
  27 };
  28
  29 enum color_push {
  30         PUSH_COLOR_RESET = 0,
  31         PUSH_COLOR_ERROR = 1
  32 };
  33
  34 static int parse_push_color_slot(const char *slot)
  35 {
  36         if (!strcasecmp(slot, "reset"))
  37                 return PUSH_COLOR_RESET;
  38         if (!strcasecmp(slot, "error"))
  39                 return PUSH_COLOR_ERROR;
  40         return -1;
  41 }
  42
  43 static const char *push_get_color(enum color_push ix)
  44 {
  45         if (want_color_stderr(push_use_color))
  46                 return push_colors[ix];
  47         return "";
  48 }
  49
  50 static int thin = 1;
  51 static int deleterefs;
  52 static const char *receivepack;
  53 static int verbosity;
  54 static int progress = -1;
  55 static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
  56 static enum transport_family family;
  57
  58 static struct push_cas_option cas;
  59
  60 static struct refspec rs = REFSPEC_INIT_PUSH;
  61
  62 static struct string_list push_options_config = STRING_LIST_INIT_DUP;
  63
  64 static void refspec_append_mapped(struct refspec *refspec, const char *ref,
  65                                   struct remote *remote, struct ref *local_refs)
  66 {
  67         const char *branch_name;
  68         struct ref *matched = NULL;
  69
  70         /* Does "ref" uniquely name our ref? */
  71         if (count_refspec_match(ref, local_refs, &matched) != 1) {
  72                 refspec_append(refspec, ref);
  73                 return;
  74         }
  75
  76         if (remote->push.nr) {
  77                 struct refspec_item query;
  78                 memset(&query, 0, sizeof(struct refspec_item));
  79                 query.src = matched->name;
  80                 if (!query_refspecs(&remote->push, &query) && query.dst) {
  81                         refspec_appendf(refspec, "%s%s:%s",
  82                                         query.force ? "+" : "",
  83                                         query.src, query.dst);
  84                         return;
  85                 }
  86         }
  87
  88         if (push_default == PUSH_DEFAULT_UPSTREAM &&
  89             skip_prefix(matched->name, "refs/heads/", &branch_name)) {
  90                 struct branch *branch = branch_get(branch_name);
  91                 if (branch->merge_nr == 1 && branch->merge[0]->src) {
  92                         refspec_appendf(refspec, "%s:%s",
  93                                         ref, branch->merge[0]->src);
  94                         return;
  95                 }
  96         }
  97
  98         refspec_append(refspec, ref);
  99 }
 100
 101 static void set_refspecs(const char **refs, int nr, const char *repo)
 102 {
 103         struct remote *remote = NULL;
 104         struct ref *local_refs = NULL;
 105         int i;
 106
 107         for (i = 0; i < nr; i++) {
 108                 const char *ref = refs[i];
 109                 if (!strcmp("tag", ref)) {
 110                         if (nr <= ++i)
 111                                 die(_("tag shorthand without <tag>"));
 112                         ref = refs[i];
 113                         if (deleterefs)
 114                                 refspec_appendf(&rs, ":refs/tags/%s", ref);
 115                         else
 116                                 refspec_appendf(&rs, "refs/tags/%s", ref);
 117                 } else if (deleterefs) {
 118                         if (strchr(ref, ':'))
 119                                 die(_("--delete only accepts plain target ref names"));
 120                         refspec_appendf(&rs, ":%s", ref);
 121                 } else if (!strchr(ref, ':')) {
 122                         if (!remote) {
 123                                 /* lazily grab remote and local_refs */
 124                                 remote = remote_get(repo);
 125                                 local_refs = get_local_heads();
 126                         }
 127                         refspec_append_mapped(&rs, ref, remote, local_refs);
 128                 } else
 129                         refspec_append(&rs, ref);
 130         }
 131 }
 132
 133 static int push_url_of_remote(struct remote *remote, const char ***url_p)
 134 {
 135         if (remote->pushurl_nr) {
 136                 *url_p = remote->pushurl;
 137                 return remote->pushurl_nr;
 138         }
 139         *url_p = remote->url;
 140         return remote->url_nr;
 141 }
 142
 143 static NORETURN void die_push_simple(struct branch *branch,
 144                                      struct remote *remote)
 145 {
 146         /*
 147          * There's no point in using shorten_unambiguous_ref here,
 148          * as the ambiguity would be on the remote side, not what
 149          * we have locally. Plus, this is supposed to be the simple
 150          * mode. If the user is doing something crazy like setting
 151          * upstream to a non-branch, we should probably be showing
 152          * them the big ugly fully qualified ref.
 153          */
 154         const char *advice_maybe = "";
 155         const char *short_upstream = branch->merge[0]->src;
 156
 157         skip_prefix(short_upstream, "refs/heads/", &short_upstream);
 158
 159         /*
 160          * Don't show advice for people who explicitly set
 161          * push.default.
 162          */
 163         if (push_default == PUSH_DEFAULT_UNSPECIFIED)
 164                 advice_maybe = _("\n"
 165                                  "To choose either option permanently, "
 166                                  "see push.default in 'git help config'.");
 167         die(_("The upstream branch of your current branch does not match\n"
 168               "the name of your current branch.  To push to the upstream branch\n"
 169               "on the remote, use\n"
 170               "\n"
 171               "    git push %s HEAD:%s\n"
 172               "\n"
 173               "To push to the branch of the same name on the remote, use\n"
 174               "\n"
 175               "    git push %s HEAD\n"
 176               "%s"),
 177             remote->name, short_upstream,
 178             remote->name, advice_maybe);
 179 }
 180
 181 static const char message_detached_head_die[] =
 182         N_("You are not currently on a branch.\n"
 183            "To push the history leading to the current (detached HEAD)\n"
 184            "state now, use\n"
 185            "\n"
 186            "    git push %s HEAD:<name-of-remote-branch>\n");
 187
 188 static void setup_push_upstream(struct remote *remote, struct branch *branch,
 189                                 int triangular, int simple)
 190 {
 191         if (!branch)
 192                 die(_(message_detached_head_die), remote->name);
 193         if (!branch->merge_nr || !branch->merge || !branch->remote_name)
 194                 die(_("The current branch %s has no upstream branch.\n"
 195                     "To push the current branch and set the remote as upstream, use\n"
 196                     "\n"
 197                     "    git push --set-upstream %s %s\n"),
 198                     branch->name,
 199                     remote->name,
 200                     branch->name);
 201         if (branch->merge_nr != 1)
 202                 die(_("The current branch %s has multiple upstream branches, "
 203                     "refusing to push."), branch->name);
 204         if (triangular)
 205                 die(_("You are pushing to remote '%s', which is not the upstream of\n"
 206                       "your current branch '%s', without telling me what to push\n"
 207                       "to update which remote branch."),
 208                     remote->name, branch->name);
 209
 210         if (simple) {
 211                 /* Additional safety */
 212                 if (strcmp(branch->refname, branch->merge[0]->src))
 213                         die_push_simple(branch, remote);
 214         }
 215
 216         refspec_appendf(&rs, "%s:%s", branch->refname, branch->merge[0]->src);
 217 }
 218
 219 static void setup_push_current(struct remote *remote, struct branch *branch)
 220 {
 221         if (!branch)
 222                 die(_(message_detached_head_die), remote->name);
 223         refspec_appendf(&rs, "%s:%s", branch->refname, branch->refname);
 224 }
 225
 226 static int is_workflow_triangular(struct remote *remote)
 227 {
 228         struct remote *fetch_remote = remote_get(NULL);
 229         return (fetch_remote && fetch_remote != remote);
 230 }
 231
 232 static void setup_default_push_refspecs(struct remote *remote)
 233 {
 234         struct branch *branch = branch_get(NULL);
 235         int triangular = is_workflow_triangular(remote);
 236
 237         switch (push_default) {
 238         default:
 239         case PUSH_DEFAULT_MATCHING:
 240                 refspec_append(&rs, ":");
 241                 break;
 242
 243         case PUSH_DEFAULT_UNSPECIFIED:
 244         case PUSH_DEFAULT_SIMPLE:
 245                 if (triangular)
 246                         setup_push_current(remote, branch);
 247                 else
 248                         setup_push_upstream(remote, branch, triangular, 1);
 249                 break;
 250
 251         case PUSH_DEFAULT_UPSTREAM:
 252                 setup_push_upstream(remote, branch, triangular, 0);
 253                 break;
 254
 255         case PUSH_DEFAULT_CURRENT:
 256                 setup_push_current(remote, branch);
 257                 break;
 258
 259         case PUSH_DEFAULT_NOTHING:
 260                 die(_("You didn't specify any refspecs to push, and "
 261                     "push.default is \"nothing\"."));
 262                 break;
 263         }
 264 }
 265
 266 static const char message_advice_pull_before_push[] =
 267         N_("Updates were rejected because the tip of your current branch is behind\n"
 268            "its remote counterpart. Integrate the remote changes (e.g.\n"
 269            "'git pull ...') before pushing again.\n"
 270            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 271
 272 static const char message_advice_checkout_pull_push[] =
 273         N_("Updates were rejected because a pushed branch tip is behind its remote\n"
 274            "counterpart. Check out this branch and integrate the remote changes\n"
 275            "(e.g. 'git pull ...') before pushing again.\n"
 276            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 277
 278 static const char message_advice_ref_fetch_first[] =
 279         N_("Updates were rejected because the remote contains work that you do\n"
 280            "not have locally. This is usually caused by another repository pushing\n"
 281            "to the same ref. You may want to first integrate the remote changes\n"
 282            "(e.g., 'git pull ...') before pushing again.\n"
 283            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 284
 285 static const char message_advice_ref_already_exists[] =
 286         N_("Updates were rejected because the tag already exists in the remote.");
 287
 288 static const char message_advice_ref_needs_force[] =
 289         N_("You cannot update a remote ref that points at a non-commit object,\n"
 290            "or update a remote ref to make it point at a non-commit object,\n"
 291            "without using the '--force' option.\n");
 292
 293 static void advise_pull_before_push(void)
 294 {
 295         if (!advice_push_non_ff_current || !advice_push_update_rejected)
 296                 return;
 297         advise(_(message_advice_pull_before_push));
 298 }
 299
 300 static void advise_checkout_pull_push(void)
 301 {
 302         if (!advice_push_non_ff_matching || !advice_push_update_rejected)
 303                 return;
 304         advise(_(message_advice_checkout_pull_push));
 305 }
 306
 307 static void advise_ref_already_exists(void)
 308 {
 309         if (!advice_push_already_exists || !advice_push_update_rejected)
 310                 return;
 311         advise(_(message_advice_ref_already_exists));
 312 }
 313
 314 static void advise_ref_fetch_first(void)
 315 {
 316         if (!advice_push_fetch_first || !advice_push_update_rejected)
 317                 return;
 318         advise(_(message_advice_ref_fetch_first));
 319 }
 320
 321 static void advise_ref_needs_force(void)
 322 {
 323         if (!advice_push_needs_force || !advice_push_update_rejected)
 324                 return;
 325         advise(_(message_advice_ref_needs_force));
 326 }
 327
 328 static int push_with_options(struct transport *transport, struct refspec *rs,
 329                              int flags)
 330 {
 331         int err;
 332         unsigned int reject_reasons;
 333         char *anon_url = transport_anonymize_url(transport->url);
 334
 335         transport_set_verbosity(transport, verbosity, progress);
 336         transport->family = family;
 337
 338         if (receivepack)
 339                 transport_set_option(transport,
 340                                      TRANS_OPT_RECEIVEPACK, receivepack);
 341         transport_set_option(transport, TRANS_OPT_THIN, thin ? "yes" : NULL);
 342
 343         if (!is_empty_cas(&cas)) {
 344                 if (!transport->smart_options)
 345                         die("underlying transport does not support --%s option",
 346                             CAS_OPT_NAME);
 347                 transport->smart_options->cas = &cas;
 348         }
 349
 350         if (verbosity > 0)
 351                 fprintf(stderr, _("Pushing to %s\n"), anon_url);
 352         trace2_region_enter("push", "transport_push", the_repository);
 353         err = transport_push(the_repository, transport,
 354                              rs, flags, &reject_reasons);
 355         trace2_region_leave("push", "transport_push", the_repository);
 356         if (err != 0) {
 357                 fprintf(stderr, "%s", push_get_color(PUSH_COLOR_ERROR));
 358                 error(_("failed to push some refs to '%s'"), anon_url);
 359                 fprintf(stderr, "%s", push_get_color(PUSH_COLOR_RESET));
 360         }
 361
 362         err |= transport_disconnect(transport);
 363         free(anon_url);
 364         if (!err)
 365                 return 0;
 366
 367         if (reject_reasons & REJECT_NON_FF_HEAD) {
 368                 advise_pull_before_push();
 369         } else if (reject_reasons & REJECT_NON_FF_OTHER) {
 370                 advise_checkout_pull_push();
 371         } else if (reject_reasons & REJECT_ALREADY_EXISTS) {
 372                 advise_ref_already_exists();
 373         } else if (reject_reasons & REJECT_FETCH_FIRST) {
 374                 advise_ref_fetch_first();
 375         } else if (reject_reasons & REJECT_NEEDS_FORCE) {
 376                 advise_ref_needs_force();
 377         }
 378
 379         return 1;
 380 }
 381
 382 static int do_push(const char *repo, int flags,
 383                    const struct string_list *push_options,
 384                    struct remote *remote)
 385 {
 386         int i, errs;
 387         const char **url;
 388         int url_nr;
 389         struct refspec *push_refspec = &rs;
 390
 391         if (push_options->nr)
 392                 flags |= TRANSPORT_PUSH_OPTIONS;
 393
 394         if (!push_refspec->nr && !(flags & TRANSPORT_PUSH_ALL)) {
 395                 if (remote->push.nr) {
 396                         push_refspec = &remote->push;
 397                 } else if (!(flags & TRANSPORT_PUSH_MIRROR))
 398                         setup_default_push_refspecs(remote);
 399         }
 400         errs = 0;
 401         url_nr = push_url_of_remote(remote, &url);
 402         if (url_nr) {
 403                 for (i = 0; i < url_nr; i++) {
 404                         struct transport *transport =
 405                                 transport_get(remote, url[i]);
 406                         if (flags & TRANSPORT_PUSH_OPTIONS)
 407                                 transport->push_options = push_options;
 408                         if (push_with_options(transport, push_refspec, flags))
 409                                 errs++;
 410                 }
 411         } else {
 412                 struct transport *transport =
 413                         transport_get(remote, NULL);
 414                 if (flags & TRANSPORT_PUSH_OPTIONS)
 415                         transport->push_options = push_options;
 416                 if (push_with_options(transport, push_refspec, flags))
 417                         errs++;
 418         }
 419         return !!errs;
 420 }
 421
 422 static int option_parse_recurse_submodules(const struct option *opt,
 423                                    const char *arg, int unset)
 424 {
 425         int *recurse_submodules = opt->value;
 426
 427         if (unset)
 428                 *recurse_submodules = RECURSE_SUBMODULES_OFF;
 429         else
 430                 *recurse_submodules = parse_push_recurse_submodules_arg(opt->long_name, arg);
 431
 432         return 0;
 433 }
 434
 435 static void set_push_cert_flags(int *flags, int v)
 436 {
 437         switch (v) {
 438         case SEND_PACK_PUSH_CERT_NEVER:
 439                 *flags &= ~(TRANSPORT_PUSH_CERT_ALWAYS | TRANSPORT_PUSH_CERT_IF_ASKED);
 440                 break;
 441         case SEND_PACK_PUSH_CERT_ALWAYS:
 442                 *flags |= TRANSPORT_PUSH_CERT_ALWAYS;
 443                 *flags &= ~TRANSPORT_PUSH_CERT_IF_ASKED;
 444                 break;
 445         case SEND_PACK_PUSH_CERT_IF_ASKED:
 446                 *flags |= TRANSPORT_PUSH_CERT_IF_ASKED;
 447                 *flags &= ~TRANSPORT_PUSH_CERT_ALWAYS;
 448                 break;
 449         }
 450 }
 451
 452
 453 static int git_push_config(const char *k, const char *v, void *cb)
 454 {
 455         const char *slot_name;
 456         int *flags = cb;
 457         int status;
 458
 459         status = git_gpg_config(k, v, NULL);
 460         if (status)
 461                 return status;
 462
 463         if (!strcmp(k, "push.followtags")) {
 464                 if (git_config_bool(k, v))
 465                         *flags |= TRANSPORT_PUSH_FOLLOW_TAGS;
 466                 else
 467                         *flags &= ~TRANSPORT_PUSH_FOLLOW_TAGS;
 468                 return 0;
 469         } else if (!strcmp(k, "push.gpgsign")) {
 470                 const char *value;
 471                 if (!git_config_get_value("push.gpgsign", &value)) {
 472                         switch (git_parse_maybe_bool(value)) {
 473                         case 0:
 474                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_NEVER);
 475                                 break;
 476                         case 1:
 477                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_ALWAYS);
 478                                 break;
 479                         default:
 480                                 if (value && !strcasecmp(value, "if-asked"))
 481                                         set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_IF_ASKED);
 482                                 else
 483                                         return error("Invalid value for '%s'", k);
 484                         }
 485                 }
 486         } else if (!strcmp(k, "push.recursesubmodules")) {
 487                 const char *value;
 488                 if (!git_config_get_value("push.recursesubmodules", &value))
 489                         recurse_submodules = parse_push_recurse_submodules_arg(k, value);
 490         } else if (!strcmp(k, "submodule.recurse")) {
 491                 int val = git_config_bool(k, v) ?
 492                         RECURSE_SUBMODULES_ON_DEMAND : RECURSE_SUBMODULES_OFF;
 493                 recurse_submodules = val;
 494         } else if (!strcmp(k, "push.pushoption")) {
 495                 if (!v)
 496                         return config_error_nonbool(k);
 497                 else
 498                         if (!*v)
 499                                 string_list_clear(&push_options_config, 0);
 500                         else
 501                                 string_list_append(&push_options_config, v);
 502                 return 0;
 503         } else if (!strcmp(k, "color.push")) {
 504                 push_use_color = git_config_colorbool(k, v);
 505                 return 0;
 506         } else if (skip_prefix(k, "color.push.", &slot_name)) {
 507                 int slot = parse_push_color_slot(slot_name);
 508                 if (slot < 0)
 509                         return 0;
 510                 if (!v)
 511                         return config_error_nonbool(k);
 512                 return color_parse(v, push_colors[slot]);
 513         }
 514
 515         return git_default_config(k, v, NULL);
 516 }
 517
 518 int cmd_push(int argc, const char **argv, const char *prefix)
 519 {
 520         int flags = 0;
 521         int tags = 0;
 522         int push_cert = -1;
 523         int rc;
 524         const char *repo = NULL;        /* default repository */
 525         struct string_list push_options_cmdline = STRING_LIST_INIT_DUP;
 526         struct string_list *push_options;
 527         const struct string_list_item *item;
 528         struct remote *remote;
 529
 530         struct option options[] = {
 531                 OPT__VERBOSITY(&verbosity),
 532                 OPT_STRING( 0 , "repo", &repo, N_("repository"), N_("repository")),
 533                 OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
 534                 OPT_BIT( 0 , "mirror", &flags, N_("mirror all refs"),
 535                             (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
 536                 OPT_BOOL('d', "delete", &deleterefs, N_("delete refs")),
 537                 OPT_BOOL( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
 538                 OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
 539                 OPT_BIT( 0,  "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
 540                 OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
 541                 OPT_CALLBACK_F(0, CAS_OPT_NAME, &cas, N_("<refname>:<expect>"),
 542                                N_("require old value of ref to be at this value"),
 543                                PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP, parseopt_push_cas_option),
 544                 OPT_CALLBACK(0, "recurse-submodules", &recurse_submodules, "(check|on-demand|no)",
 545                              N_("control recursive pushing of submodules"), option_parse_recurse_submodules),
 546                 OPT_BOOL_F( 0 , "thin", &thin, N_("use thin pack"), PARSE_OPT_NOCOMPLETE),
 547                 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
 548                 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),
 549                 OPT_BIT('u', "set-upstream", &flags, N_("set upstream for git pull/status"),
 550                         TRANSPORT_PUSH_SET_UPSTREAM),
 551                 OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
 552                 OPT_BIT(0, "prune", &flags, N_("prune locally removed refs"),
 553                         TRANSPORT_PUSH_PRUNE),
 554                 OPT_BIT(0, "no-verify", &flags, N_("bypass pre-push hook"), TRANSPORT_PUSH_NO_HOOK),
 555                 OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"),
 556                         TRANSPORT_PUSH_FOLLOW_TAGS),
 557                 OPT_CALLBACK_F(0, "signed", &push_cert, "(yes|no|if-asked)", N_("GPG sign the push"),
 558                                 PARSE_OPT_OPTARG, option_parse_push_signed),
 559                 OPT_BIT(0, "atomic", &flags, N_("request atomic transaction on remote side"), TRANSPORT_PUSH_ATOMIC),
 560                 OPT_STRING_LIST('o', "push-option", &push_options_cmdline, N_("server-specific"), N_("option to transmit")),
 561                 OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
 562                                 TRANSPORT_FAMILY_IPV4),
 563                 OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
 564                                 TRANSPORT_FAMILY_IPV6),
 565                 OPT_END()
 566         };
 567
 568         packet_trace_identity("push");
 569         git_config(git_push_config, &flags);
 570         argc = parse_options(argc, argv, prefix, options, push_usage, 0);
 571         push_options = (push_options_cmdline.nr
 572                 ? &push_options_cmdline
 573                 : &push_options_config);
 574         set_push_cert_flags(&flags, push_cert);
 575
 576         if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
 577                 die(_("--delete is incompatible with --all, --mirror and --tags"));
 578         if (deleterefs && argc < 2)
 579                 die(_("--delete doesn't make sense without any refs"));
 580
 581         if (recurse_submodules == RECURSE_SUBMODULES_CHECK)
 582                 flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK;
 583         else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
 584                 flags |= TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND;
 585         else if (recurse_submodules == RECURSE_SUBMODULES_ONLY)
 586                 flags |= TRANSPORT_RECURSE_SUBMODULES_ONLY;
 587
 588         if (tags)
 589                 refspec_append(&rs, "refs/tags/*");
 590
 591         if (argc > 0) {
 592                 repo = argv[0];
 593                 set_refspecs(argv + 1, argc - 1, repo);
 594         }
 595
 596         remote = pushremote_get(repo);
 597         if (!remote) {
 598                 if (repo)
 599                         die(_("bad repository '%s'"), repo);
 600                 die(_("No configured push destination.\n"
 601                     "Either specify the URL from the command-line or configure a remote repository using\n"
 602                     "\n"
 603                     "    git remote add <name> <url>\n"
 604                     "\n"
 605                     "and then push using the remote name\n"
 606                     "\n"
 607                     "    git push <name>\n"));
 608         }
 609
 610         if (remote->mirror)
 611                 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
 612
 613         if (flags & TRANSPORT_PUSH_ALL) {
 614                 if (tags)
 615                         die(_("--all and --tags are incompatible"));
 616                 if (argc >= 2)
 617                         die(_("--all can't be combined with refspecs"));
 618         }
 619         if (flags & TRANSPORT_PUSH_MIRROR) {
 620                 if (tags)
 621                         die(_("--mirror and --tags are incompatible"));
 622                 if (argc >= 2)
 623                         die(_("--mirror can't be combined with refspecs"));
 624         }
 625         if ((flags & TRANSPORT_PUSH_ALL) && (flags & TRANSPORT_PUSH_MIRROR))
 626                 die(_("--all and --mirror are incompatible"));
 627
 628         for_each_string_list_item(item, push_options)
 629                 if (strchr(item->string, '\n'))
 630                         die(_("push options must not have new line characters"));
 631
 632         rc = do_push(repo, flags, push_options, remote);
 633         string_list_clear(&push_options_cmdline, 0);
 634         string_list_clear(&push_options_config, 0);
 635         if (rc == -1)
 636                 usage_with_options(push_usage, options);
 637         else
 638                 return rc;
 639 }