builtin/push.c

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