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 const char *map_refspec(const char *ref,
  65                                struct remote *remote, struct ref *local_refs)
  66 {
  67         struct ref *matched = NULL;
  68
  69         /* Does "ref" uniquely name our ref? */
  70         if (count_refspec_match(ref, local_refs, &matched) != 1)
  71                 return ref;
  72
  73         if (remote->push.nr) {
  74                 struct refspec_item query;
  75                 memset(&query, 0, sizeof(struct refspec_item));
  76                 query.src = matched->name;
  77                 if (!query_refspecs(&remote->push, &query) && query.dst) {
  78                         struct strbuf buf = STRBUF_INIT;
  79                         strbuf_addf(&buf, "%s%s:%s",
  80                                     query.force ? "+" : "",
  81                                     query.src, query.dst);
  82                         return strbuf_detach(&buf, NULL);
  83                 }
  84         }
  85
  86         if (push_default == PUSH_DEFAULT_UPSTREAM &&
  87             starts_with(matched->name, "refs/heads/")) {
  88                 struct branch *branch = branch_get(matched->name + 11);
  89                 if (branch->merge_nr == 1 && branch->merge[0]->src) {
  90                         struct strbuf buf = STRBUF_INIT;
  91                         strbuf_addf(&buf, "%s:%s",
  92                                     ref, branch->merge[0]->src);
  93                         return strbuf_detach(&buf, NULL);
  94                 }
  95         }
  96
  97         return ref;
  98 }
  99
 100 static void set_refspecs(const char **refs, int nr, const char *repo)
 101 {
 102         struct remote *remote = NULL;
 103         struct ref *local_refs = NULL;
 104         int i;
 105
 106         for (i = 0; i < nr; i++) {
 107                 const char *ref = refs[i];
 108                 if (!strcmp("tag", ref)) {
 109                         struct strbuf tagref = STRBUF_INIT;
 110                         if (nr <= ++i)
 111                                 die(_("tag shorthand without <tag>"));
 112                         ref = refs[i];
 113                         if (deleterefs)
 114                                 strbuf_addf(&tagref, ":refs/tags/%s", ref);
 115                         else
 116                                 strbuf_addf(&tagref, "refs/tags/%s", ref);
 117                         ref = strbuf_detach(&tagref, NULL);
 118                 } else if (deleterefs) {
 119                         struct strbuf delref = STRBUF_INIT;
 120                         if (strchr(ref, ':'))
 121                                 die(_("--delete only accepts plain target ref names"));
 122                         strbuf_addf(&delref, ":%s", ref);
 123                         ref = strbuf_detach(&delref, NULL);
 124                 } else if (!strchr(ref, ':')) {
 125                         if (!remote) {
 126                                 /* lazily grab remote and local_refs */
 127                                 remote = remote_get(repo);
 128                                 local_refs = get_local_heads();
 129                         }
 130                         ref = map_refspec(ref, remote, local_refs);
 131                 }
 132                 refspec_append(&rs, ref);
 133         }
 134 }
 135
 136 static int push_url_of_remote(struct remote *remote, const char ***url_p)
 137 {
 138         if (remote->pushurl_nr) {
 139                 *url_p = remote->pushurl;
 140                 return remote->pushurl_nr;
 141         }
 142         *url_p = remote->url;
 143         return remote->url_nr;
 144 }
 145
 146 static NORETURN int die_push_simple(struct branch *branch,
 147                                     struct remote *remote)
 148 {
 149         /*
 150          * There's no point in using shorten_unambiguous_ref here,
 151          * as the ambiguity would be on the remote side, not what
 152          * we have locally. Plus, this is supposed to be the simple
 153          * mode. If the user is doing something crazy like setting
 154          * upstream to a non-branch, we should probably be showing
 155          * them the big ugly fully qualified ref.
 156          */
 157         const char *advice_maybe = "";
 158         const char *short_upstream = branch->merge[0]->src;
 159
 160         skip_prefix(short_upstream, "refs/heads/", &short_upstream);
 161
 162         /*
 163          * Don't show advice for people who explicitly set
 164          * push.default.
 165          */
 166         if (push_default == PUSH_DEFAULT_UNSPECIFIED)
 167                 advice_maybe = _("\n"
 168                                  "To choose either option permanently, "
 169                                  "see push.default in 'git help config'.");
 170         die(_("The upstream branch of your current branch does not match\n"
 171               "the name of your current branch.  To push to the upstream branch\n"
 172               "on the remote, use\n"
 173               "\n"
 174               "    git push %s HEAD:%s\n"
 175               "\n"
 176               "To push to the branch of the same name on the remote, use\n"
 177               "\n"
 178               "    git push %s HEAD\n"
 179               "%s"),
 180             remote->name, short_upstream,
 181             remote->name, advice_maybe);
 182 }
 183
 184 static const char message_detached_head_die[] =
 185         N_("You are not currently on a branch.\n"
 186            "To push the history leading to the current (detached HEAD)\n"
 187            "state now, use\n"
 188            "\n"
 189            "    git push %s HEAD:<name-of-remote-branch>\n");
 190
 191 static void setup_push_upstream(struct remote *remote, struct branch *branch,
 192                                 int triangular, int simple)
 193 {
 194         struct strbuf refspec = STRBUF_INIT;
 195
 196         if (!branch)
 197                 die(_(message_detached_head_die), remote->name);
 198         if (!branch->merge_nr || !branch->merge || !branch->remote_name)
 199                 die(_("The current branch %s has no upstream branch.\n"
 200                     "To push the current branch and set the remote as upstream, use\n"
 201                     "\n"
 202                     "    git push --set-upstream %s %s\n"),
 203                     branch->name,
 204                     remote->name,
 205                     branch->name);
 206         if (branch->merge_nr != 1)
 207                 die(_("The current branch %s has multiple upstream branches, "
 208                     "refusing to push."), branch->name);
 209         if (triangular)
 210                 die(_("You are pushing to remote '%s', which is not the upstream of\n"
 211                       "your current branch '%s', without telling me what to push\n"
 212                       "to update which remote branch."),
 213                     remote->name, branch->name);
 214
 215         if (simple) {
 216                 /* Additional safety */
 217                 if (strcmp(branch->refname, branch->merge[0]->src))
 218                         die_push_simple(branch, remote);
 219         }
 220
 221         strbuf_addf(&refspec, "%s:%s", branch->refname, branch->merge[0]->src);
 222         refspec_append(&rs, refspec.buf);
 223 }
 224
 225 static void setup_push_current(struct remote *remote, struct branch *branch)
 226 {
 227         struct strbuf refspec = STRBUF_INIT;
 228
 229         if (!branch)
 230                 die(_(message_detached_head_die), remote->name);
 231         strbuf_addf(&refspec, "%s:%s", branch->refname, branch->refname);
 232         refspec_append(&rs, refspec.buf);
 233 }
 234
 235 static int is_workflow_triangular(struct remote *remote)
 236 {
 237         struct remote *fetch_remote = remote_get(NULL);
 238         return (fetch_remote && fetch_remote != remote);
 239 }
 240
 241 static void setup_default_push_refspecs(struct remote *remote)
 242 {
 243         struct branch *branch = branch_get(NULL);
 244         int triangular = is_workflow_triangular(remote);
 245
 246         switch (push_default) {
 247         default:
 248         case PUSH_DEFAULT_MATCHING:
 249                 refspec_append(&rs, ":");
 250                 break;
 251
 252         case PUSH_DEFAULT_UNSPECIFIED:
 253         case PUSH_DEFAULT_SIMPLE:
 254                 if (triangular)
 255                         setup_push_current(remote, branch);
 256                 else
 257                         setup_push_upstream(remote, branch, triangular, 1);
 258                 break;
 259
 260         case PUSH_DEFAULT_UPSTREAM:
 261                 setup_push_upstream(remote, branch, triangular, 0);
 262                 break;
 263
 264         case PUSH_DEFAULT_CURRENT:
 265                 setup_push_current(remote, branch);
 266                 break;
 267
 268         case PUSH_DEFAULT_NOTHING:
 269                 die(_("You didn't specify any refspecs to push, and "
 270                     "push.default is \"nothing\"."));
 271                 break;
 272         }
 273 }
 274
 275 static const char message_advice_pull_before_push[] =
 276         N_("Updates were rejected because the tip of your current branch is behind\n"
 277            "its remote counterpart. Integrate the remote changes (e.g.\n"
 278            "'git pull ...') before pushing again.\n"
 279            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 280
 281 static const char message_advice_checkout_pull_push[] =
 282         N_("Updates were rejected because a pushed branch tip is behind its remote\n"
 283            "counterpart. Check out this branch and integrate the remote changes\n"
 284            "(e.g. 'git pull ...') before pushing again.\n"
 285            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 286
 287 static const char message_advice_ref_fetch_first[] =
 288         N_("Updates were rejected because the remote contains work that you do\n"
 289            "not have locally. This is usually caused by another repository pushing\n"
 290            "to the same ref. You may want to first integrate the remote changes\n"
 291            "(e.g., 'git pull ...') before pushing again.\n"
 292            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 293
 294 static const char message_advice_ref_already_exists[] =
 295         N_("Updates were rejected because the tag already exists in the remote.");
 296
 297 static const char message_advice_ref_needs_force[] =
 298         N_("You cannot update a remote ref that points at a non-commit object,\n"
 299            "or update a remote ref to make it point at a non-commit object,\n"
 300            "without using the '--force' option.\n");
 301
 302 static void advise_pull_before_push(void)
 303 {
 304         if (!advice_push_non_ff_current || !advice_push_update_rejected)
 305                 return;
 306         advise(_(message_advice_pull_before_push));
 307 }
 308
 309 static void advise_checkout_pull_push(void)
 310 {
 311         if (!advice_push_non_ff_matching || !advice_push_update_rejected)
 312                 return;
 313         advise(_(message_advice_checkout_pull_push));
 314 }
 315
 316 static void advise_ref_already_exists(void)
 317 {
 318         if (!advice_push_already_exists || !advice_push_update_rejected)
 319                 return;
 320         advise(_(message_advice_ref_already_exists));
 321 }
 322
 323 static void advise_ref_fetch_first(void)
 324 {
 325         if (!advice_push_fetch_first || !advice_push_update_rejected)
 326                 return;
 327         advise(_(message_advice_ref_fetch_first));
 328 }
 329
 330 static void advise_ref_needs_force(void)
 331 {
 332         if (!advice_push_needs_force || !advice_push_update_rejected)
 333                 return;
 334         advise(_(message_advice_ref_needs_force));
 335 }
 336
 337 static int push_with_options(struct transport *transport, struct refspec *rs,
 338                              int flags)
 339 {
 340         int err;
 341         unsigned int reject_reasons;
 342
 343         transport_set_verbosity(transport, verbosity, progress);
 344         transport->family = family;
 345
 346         if (receivepack)
 347                 transport_set_option(transport,
 348                                      TRANS_OPT_RECEIVEPACK, receivepack);
 349         transport_set_option(transport, TRANS_OPT_THIN, thin ? "yes" : NULL);
 350
 351         if (!is_empty_cas(&cas)) {
 352                 if (!transport->smart_options)
 353                         die("underlying transport does not support --%s option",
 354                             CAS_OPT_NAME);
 355                 transport->smart_options->cas = &cas;
 356         }
 357
 358         if (verbosity > 0)
 359                 fprintf(stderr, _("Pushing to %s\n"), transport->url);
 360         err = transport_push(the_repository, transport,
 361                              rs, flags, &reject_reasons);
 362         if (err != 0) {
 363                 fprintf(stderr, "%s", push_get_color(PUSH_COLOR_ERROR));
 364                 error(_("failed to push some refs to '%s'"), transport->url);
 365                 fprintf(stderr, "%s", push_get_color(PUSH_COLOR_RESET));
 366         }
 367
 368         err |= transport_disconnect(transport);
 369         if (!err)
 370                 return 0;
 371
 372         if (reject_reasons & REJECT_NON_FF_HEAD) {
 373                 advise_pull_before_push();
 374         } else if (reject_reasons & REJECT_NON_FF_OTHER) {
 375                 advise_checkout_pull_push();
 376         } else if (reject_reasons & REJECT_ALREADY_EXISTS) {
 377                 advise_ref_already_exists();
 378         } else if (reject_reasons & REJECT_FETCH_FIRST) {
 379                 advise_ref_fetch_first();
 380         } else if (reject_reasons & REJECT_NEEDS_FORCE) {
 381                 advise_ref_needs_force();
 382         }
 383
 384         return 1;
 385 }
 386
 387 static int do_push(const char *repo, int flags,
 388                    const struct string_list *push_options)
 389 {
 390         int i, errs;
 391         struct remote *remote = pushremote_get(repo);
 392         const char **url;
 393         int url_nr;
 394         struct refspec *push_refspec = &rs;
 395
 396         if (!remote) {
 397                 if (repo)
 398                         die(_("bad repository '%s'"), repo);
 399                 die(_("No configured push destination.\n"
 400                     "Either specify the URL from the command-line or configure a remote repository using\n"
 401                     "\n"
 402                     "    git remote add <name> <url>\n"
 403                     "\n"
 404                     "and then push using the remote name\n"
 405                     "\n"
 406                     "    git push <name>\n"));
 407         }
 408
 409         if (remote->mirror)
 410                 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
 411
 412         if (push_options->nr)
 413                 flags |= TRANSPORT_PUSH_OPTIONS;
 414
 415         if (!push_refspec->nr && !(flags & TRANSPORT_PUSH_ALL)) {
 416                 if (remote->push.nr) {
 417                         push_refspec = &remote->push;
 418                 } else if (!(flags & TRANSPORT_PUSH_MIRROR))
 419                         setup_default_push_refspecs(remote);
 420         }
 421         errs = 0;
 422         url_nr = push_url_of_remote(remote, &url);
 423         if (url_nr) {
 424                 for (i = 0; i < url_nr; i++) {
 425                         struct transport *transport =
 426                                 transport_get(remote, url[i]);
 427                         if (flags & TRANSPORT_PUSH_OPTIONS)
 428                                 transport->push_options = push_options;
 429                         if (push_with_options(transport, push_refspec, flags))
 430                                 errs++;
 431                 }
 432         } else {
 433                 struct transport *transport =
 434                         transport_get(remote, NULL);
 435                 if (flags & TRANSPORT_PUSH_OPTIONS)
 436                         transport->push_options = push_options;
 437                 if (push_with_options(transport, push_refspec, flags))
 438                         errs++;
 439         }
 440         return !!errs;
 441 }
 442
 443 static int option_parse_recurse_submodules(const struct option *opt,
 444                                    const char *arg, int unset)
 445 {
 446         int *recurse_submodules = opt->value;
 447
 448         if (unset)
 449                 *recurse_submodules = RECURSE_SUBMODULES_OFF;
 450         else if (arg)
 451                 *recurse_submodules = parse_push_recurse_submodules_arg(opt->long_name, arg);
 452         else
 453                 die("%s missing parameter", opt->long_name);
 454
 455         return 0;
 456 }
 457
 458 static void set_push_cert_flags(int *flags, int v)
 459 {
 460         switch (v) {
 461         case SEND_PACK_PUSH_CERT_NEVER:
 462                 *flags &= ~(TRANSPORT_PUSH_CERT_ALWAYS | TRANSPORT_PUSH_CERT_IF_ASKED);
 463                 break;
 464         case SEND_PACK_PUSH_CERT_ALWAYS:
 465                 *flags |= TRANSPORT_PUSH_CERT_ALWAYS;
 466                 *flags &= ~TRANSPORT_PUSH_CERT_IF_ASKED;
 467                 break;
 468         case SEND_PACK_PUSH_CERT_IF_ASKED:
 469                 *flags |= TRANSPORT_PUSH_CERT_IF_ASKED;
 470                 *flags &= ~TRANSPORT_PUSH_CERT_ALWAYS;
 471                 break;
 472         }
 473 }
 474
 475
 476 static int git_push_config(const char *k, const char *v, void *cb)
 477 {
 478         const char *slot_name;
 479         int *flags = cb;
 480         int status;
 481
 482         status = git_gpg_config(k, v, NULL);
 483         if (status)
 484                 return status;
 485
 486         if (!strcmp(k, "push.followtags")) {
 487                 if (git_config_bool(k, v))
 488                         *flags |= TRANSPORT_PUSH_FOLLOW_TAGS;
 489                 else
 490                         *flags &= ~TRANSPORT_PUSH_FOLLOW_TAGS;
 491                 return 0;
 492         } else if (!strcmp(k, "push.gpgsign")) {
 493                 const char *value;
 494                 if (!git_config_get_value("push.gpgsign", &value)) {
 495                         switch (git_parse_maybe_bool(value)) {
 496                         case 0:
 497                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_NEVER);
 498                                 break;
 499                         case 1:
 500                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_ALWAYS);
 501                                 break;
 502                         default:
 503                                 if (value && !strcasecmp(value, "if-asked"))
 504                                         set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_IF_ASKED);
 505                                 else
 506                                         return error("Invalid value for '%s'", k);
 507                         }
 508                 }
 509         } else if (!strcmp(k, "push.recursesubmodules")) {
 510                 const char *value;
 511                 if (!git_config_get_value("push.recursesubmodules", &value))
 512                         recurse_submodules = parse_push_recurse_submodules_arg(k, value);
 513         } else if (!strcmp(k, "submodule.recurse")) {
 514                 int val = git_config_bool(k, v) ?
 515                         RECURSE_SUBMODULES_ON_DEMAND : RECURSE_SUBMODULES_OFF;
 516                 recurse_submodules = val;
 517         } else if (!strcmp(k, "push.pushoption")) {
 518                 if (!v)
 519                         return config_error_nonbool(k);
 520                 else
 521                         if (!*v)
 522                                 string_list_clear(&push_options_config, 0);
 523                         else
 524                                 string_list_append(&push_options_config, v);
 525                 return 0;
 526         } else if (!strcmp(k, "color.push")) {
 527                 push_use_color = git_config_colorbool(k, v);
 528                 return 0;
 529         } else if (skip_prefix(k, "color.push.", &slot_name)) {
 530                 int slot = parse_push_color_slot(slot_name);
 531                 if (slot < 0)
 532                         return 0;
 533                 if (!v)
 534                         return config_error_nonbool(k);
 535                 return color_parse(v, push_colors[slot]);
 536         }
 537
 538         return git_default_config(k, v, NULL);
 539 }
 540
 541 int cmd_push(int argc, const char **argv, const char *prefix)
 542 {
 543         int flags = 0;
 544         int tags = 0;
 545         int push_cert = -1;
 546         int rc;
 547         const char *repo = NULL;        /* default repository */
 548         struct string_list push_options_cmdline = STRING_LIST_INIT_DUP;
 549         struct string_list *push_options;
 550         const struct string_list_item *item;
 551
 552         struct option options[] = {
 553                 OPT__VERBOSITY(&verbosity),
 554                 OPT_STRING( 0 , "repo", &repo, N_("repository"), N_("repository")),
 555                 OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
 556                 OPT_BIT( 0 , "mirror", &flags, N_("mirror all refs"),
 557                             (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
 558                 OPT_BOOL('d', "delete", &deleterefs, N_("delete refs")),
 559                 OPT_BOOL( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
 560                 OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
 561                 OPT_BIT( 0,  "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
 562                 OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
 563                 { OPTION_CALLBACK,
 564                   0, CAS_OPT_NAME, &cas, N_("<refname>:<expect>"),
 565                   N_("require old value of ref to be at this value"),
 566                   PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP, parseopt_push_cas_option },
 567                 { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules, "(check|on-demand|no)",
 568                         N_("control recursive pushing of submodules"),
 569                         PARSE_OPT_OPTARG, option_parse_recurse_submodules },
 570                 OPT_BOOL_F( 0 , "thin", &thin, N_("use thin pack"), PARSE_OPT_NOCOMPLETE),
 571                 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
 572                 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),
 573                 OPT_BIT('u', "set-upstream", &flags, N_("set upstream for git pull/status"),
 574                         TRANSPORT_PUSH_SET_UPSTREAM),
 575                 OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
 576                 OPT_BIT(0, "prune", &flags, N_("prune locally removed refs"),
 577                         TRANSPORT_PUSH_PRUNE),
 578                 OPT_BIT(0, "no-verify", &flags, N_("bypass pre-push hook"), TRANSPORT_PUSH_NO_HOOK),
 579                 OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"),
 580                         TRANSPORT_PUSH_FOLLOW_TAGS),
 581                 { OPTION_CALLBACK,
 582                   0, "signed", &push_cert, "(yes|no|if-asked)", N_("GPG sign the push"),
 583                   PARSE_OPT_OPTARG, option_parse_push_signed },
 584                 OPT_BIT(0, "atomic", &flags, N_("request atomic transaction on remote side"), TRANSPORT_PUSH_ATOMIC),
 585                 OPT_STRING_LIST('o', "push-option", &push_options_cmdline, N_("server-specific"), N_("option to transmit")),
 586                 OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
 587                                 TRANSPORT_FAMILY_IPV4),
 588                 OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
 589                                 TRANSPORT_FAMILY_IPV6),
 590                 OPT_END()
 591         };
 592
 593         packet_trace_identity("push");
 594         git_config(git_push_config, &flags);
 595         argc = parse_options(argc, argv, prefix, options, push_usage, 0);
 596         push_options = (push_options_cmdline.nr
 597                 ? &push_options_cmdline
 598                 : &push_options_config);
 599         set_push_cert_flags(&flags, push_cert);
 600
 601         if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
 602                 die(_("--delete is incompatible with --all, --mirror and --tags"));
 603         if (deleterefs && argc < 2)
 604                 die(_("--delete doesn't make sense without any refs"));
 605         if (flags & TRANSPORT_PUSH_ALL) {
 606                 if (tags)
 607                         die(_("--all and --tags are incompatible"));
 608                 if (argc >= 2)
 609                         die(_("--all can't be combined with refspecs"));
 610         }
 611         if (flags & TRANSPORT_PUSH_MIRROR) {
 612                 if (tags)
 613                         die(_("--mirror and --tags are incompatible"));
 614                 if (argc >= 2)
 615                         die(_("--mirror can't be combined with refspecs"));
 616         }
 617         if ((flags & TRANSPORT_PUSH_ALL) && (flags & TRANSPORT_PUSH_MIRROR))
 618                 die(_("--all and --mirror are incompatible"));
 619
 620         if (recurse_submodules == RECURSE_SUBMODULES_CHECK)
 621                 flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK;
 622         else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
 623                 flags |= TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND;
 624         else if (recurse_submodules == RECURSE_SUBMODULES_ONLY)
 625                 flags |= TRANSPORT_RECURSE_SUBMODULES_ONLY;
 626
 627         if (tags)
 628                 refspec_append(&rs, "refs/tags/*");
 629
 630         if (argc > 0) {
 631                 repo = argv[0];
 632                 set_refspecs(argv + 1, argc - 1, repo);
 633         }
 634
 635         for_each_string_list_item(item, push_options)
 636                 if (strchr(item->string, '\n'))
 637                         die(_("push options must not have new line characters"));
 638
 639         rc = do_push(repo, flags, push_options);
 640         string_list_clear(&push_options_cmdline, 0);
 641         string_list_clear(&push_options_config, 0);
 642         if (rc == -1)
 643                 usage_with_options(push_usage, options);
 644         else
 645                 return rc;
 646 }