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 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                    struct remote *remote)
 390 {
 391         int i, errs;
 392         const char **url;
 393         int url_nr;
 394         struct refspec *push_refspec = &rs;
 395
 396         if (push_options->nr)
 397                 flags |= TRANSPORT_PUSH_OPTIONS;
 398
 399         if (!push_refspec->nr && !(flags & TRANSPORT_PUSH_ALL)) {
 400                 if (remote->push.nr) {
 401                         push_refspec = &remote->push;
 402                 } else if (!(flags & TRANSPORT_PUSH_MIRROR))
 403                         setup_default_push_refspecs(remote);
 404         }
 405         errs = 0;
 406         url_nr = push_url_of_remote(remote, &url);
 407         if (url_nr) {
 408                 for (i = 0; i < url_nr; i++) {
 409                         struct transport *transport =
 410                                 transport_get(remote, url[i]);
 411                         if (flags & TRANSPORT_PUSH_OPTIONS)
 412                                 transport->push_options = push_options;
 413                         if (push_with_options(transport, push_refspec, flags))
 414                                 errs++;
 415                 }
 416         } else {
 417                 struct transport *transport =
 418                         transport_get(remote, NULL);
 419                 if (flags & TRANSPORT_PUSH_OPTIONS)
 420                         transport->push_options = push_options;
 421                 if (push_with_options(transport, push_refspec, flags))
 422                         errs++;
 423         }
 424         return !!errs;
 425 }
 426
 427 static int option_parse_recurse_submodules(const struct option *opt,
 428                                    const char *arg, int unset)
 429 {
 430         int *recurse_submodules = opt->value;
 431
 432         if (unset)
 433                 *recurse_submodules = RECURSE_SUBMODULES_OFF;
 434         else if (arg)
 435                 *recurse_submodules = parse_push_recurse_submodules_arg(opt->long_name, arg);
 436         else
 437                 die("%s missing parameter", opt->long_name);
 438
 439         return 0;
 440 }
 441
 442 static void set_push_cert_flags(int *flags, int v)
 443 {
 444         switch (v) {
 445         case SEND_PACK_PUSH_CERT_NEVER:
 446                 *flags &= ~(TRANSPORT_PUSH_CERT_ALWAYS | TRANSPORT_PUSH_CERT_IF_ASKED);
 447                 break;
 448         case SEND_PACK_PUSH_CERT_ALWAYS:
 449                 *flags |= TRANSPORT_PUSH_CERT_ALWAYS;
 450                 *flags &= ~TRANSPORT_PUSH_CERT_IF_ASKED;
 451                 break;
 452         case SEND_PACK_PUSH_CERT_IF_ASKED:
 453                 *flags |= TRANSPORT_PUSH_CERT_IF_ASKED;
 454                 *flags &= ~TRANSPORT_PUSH_CERT_ALWAYS;
 455                 break;
 456         }
 457 }
 458
 459
 460 static int git_push_config(const char *k, const char *v, void *cb)
 461 {
 462         const char *slot_name;
 463         int *flags = cb;
 464         int status;
 465
 466         status = git_gpg_config(k, v, NULL);
 467         if (status)
 468                 return status;
 469
 470         if (!strcmp(k, "push.followtags")) {
 471                 if (git_config_bool(k, v))
 472                         *flags |= TRANSPORT_PUSH_FOLLOW_TAGS;
 473                 else
 474                         *flags &= ~TRANSPORT_PUSH_FOLLOW_TAGS;
 475                 return 0;
 476         } else if (!strcmp(k, "push.gpgsign")) {
 477                 const char *value;
 478                 if (!git_config_get_value("push.gpgsign", &value)) {
 479                         switch (git_parse_maybe_bool(value)) {
 480                         case 0:
 481                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_NEVER);
 482                                 break;
 483                         case 1:
 484                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_ALWAYS);
 485                                 break;
 486                         default:
 487                                 if (value && !strcasecmp(value, "if-asked"))
 488                                         set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_IF_ASKED);
 489                                 else
 490                                         return error("Invalid value for '%s'", k);
 491                         }
 492                 }
 493         } else if (!strcmp(k, "push.recursesubmodules")) {
 494                 const char *value;
 495                 if (!git_config_get_value("push.recursesubmodules", &value))
 496                         recurse_submodules = parse_push_recurse_submodules_arg(k, value);
 497         } else if (!strcmp(k, "submodule.recurse")) {
 498                 int val = git_config_bool(k, v) ?
 499                         RECURSE_SUBMODULES_ON_DEMAND : RECURSE_SUBMODULES_OFF;
 500                 recurse_submodules = val;
 501         } else if (!strcmp(k, "push.pushoption")) {
 502                 if (!v)
 503                         return config_error_nonbool(k);
 504                 else
 505                         if (!*v)
 506                                 string_list_clear(&push_options_config, 0);
 507                         else
 508                                 string_list_append(&push_options_config, v);
 509                 return 0;
 510         } else if (!strcmp(k, "color.push")) {
 511                 push_use_color = git_config_colorbool(k, v);
 512                 return 0;
 513         } else if (skip_prefix(k, "color.push.", &slot_name)) {
 514                 int slot = parse_push_color_slot(slot_name);
 515                 if (slot < 0)
 516                         return 0;
 517                 if (!v)
 518                         return config_error_nonbool(k);
 519                 return color_parse(v, push_colors[slot]);
 520         }
 521
 522         return git_default_config(k, v, NULL);
 523 }
 524
 525 int cmd_push(int argc, const char **argv, const char *prefix)
 526 {
 527         int flags = 0;
 528         int tags = 0;
 529         int push_cert = -1;
 530         int rc;
 531         const char *repo = NULL;        /* default repository */
 532         struct string_list push_options_cmdline = STRING_LIST_INIT_DUP;
 533         struct string_list *push_options;
 534         const struct string_list_item *item;
 535         struct remote *remote;
 536
 537         struct option options[] = {
 538                 OPT__VERBOSITY(&verbosity),
 539                 OPT_STRING( 0 , "repo", &repo, N_("repository"), N_("repository")),
 540                 OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
 541                 OPT_BIT( 0 , "mirror", &flags, N_("mirror all refs"),
 542                             (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
 543                 OPT_BOOL('d', "delete", &deleterefs, N_("delete refs")),
 544                 OPT_BOOL( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
 545                 OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
 546                 OPT_BIT( 0,  "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
 547                 OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
 548                 { OPTION_CALLBACK,
 549                   0, CAS_OPT_NAME, &cas, N_("<refname>:<expect>"),
 550                   N_("require old value of ref to be at this value"),
 551                   PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP, parseopt_push_cas_option },
 552                 { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules, "(check|on-demand|no)",
 553                         N_("control recursive pushing of submodules"),
 554                         PARSE_OPT_OPTARG, option_parse_recurse_submodules },
 555                 OPT_BOOL_F( 0 , "thin", &thin, N_("use thin pack"), PARSE_OPT_NOCOMPLETE),
 556                 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
 557                 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),
 558                 OPT_BIT('u', "set-upstream", &flags, N_("set upstream for git pull/status"),
 559                         TRANSPORT_PUSH_SET_UPSTREAM),
 560                 OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
 561                 OPT_BIT(0, "prune", &flags, N_("prune locally removed refs"),
 562                         TRANSPORT_PUSH_PRUNE),
 563                 OPT_BIT(0, "no-verify", &flags, N_("bypass pre-push hook"), TRANSPORT_PUSH_NO_HOOK),
 564                 OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"),
 565                         TRANSPORT_PUSH_FOLLOW_TAGS),
 566                 { OPTION_CALLBACK,
 567                   0, "signed", &push_cert, "(yes|no|if-asked)", N_("GPG sign the push"),
 568                   PARSE_OPT_OPTARG, option_parse_push_signed },
 569                 OPT_BIT(0, "atomic", &flags, N_("request atomic transaction on remote side"), TRANSPORT_PUSH_ATOMIC),
 570                 OPT_STRING_LIST('o', "push-option", &push_options_cmdline, N_("server-specific"), N_("option to transmit")),
 571                 OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
 572                                 TRANSPORT_FAMILY_IPV4),
 573                 OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
 574                                 TRANSPORT_FAMILY_IPV6),
 575                 OPT_END()
 576         };
 577
 578         packet_trace_identity("push");
 579         git_config(git_push_config, &flags);
 580         argc = parse_options(argc, argv, prefix, options, push_usage, 0);
 581         push_options = (push_options_cmdline.nr
 582                 ? &push_options_cmdline
 583                 : &push_options_config);
 584         set_push_cert_flags(&flags, push_cert);
 585
 586         if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
 587                 die(_("--delete is incompatible with --all, --mirror and --tags"));
 588         if (deleterefs && argc < 2)
 589                 die(_("--delete doesn't make sense without any refs"));
 590
 591         if (recurse_submodules == RECURSE_SUBMODULES_CHECK)
 592                 flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK;
 593         else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
 594                 flags |= TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND;
 595         else if (recurse_submodules == RECURSE_SUBMODULES_ONLY)
 596                 flags |= TRANSPORT_RECURSE_SUBMODULES_ONLY;
 597
 598         if (tags)
 599                 refspec_append(&rs, "refs/tags/*");
 600
 601         if (argc > 0) {
 602                 repo = argv[0];
 603                 set_refspecs(argv + 1, argc - 1, repo);
 604         }
 605
 606         remote = pushremote_get(repo);
 607         if (!remote) {
 608                 if (repo)
 609                         die(_("bad repository '%s'"), repo);
 610                 die(_("No configured push destination.\n"
 611                     "Either specify the URL from the command-line or configure a remote repository using\n"
 612                     "\n"
 613                     "    git remote add <name> <url>\n"
 614                     "\n"
 615                     "and then push using the remote name\n"
 616                     "\n"
 617                     "    git push <name>\n"));
 618         }
 619
 620         if (remote->mirror)
 621                 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
 622
 623         if (flags & TRANSPORT_PUSH_ALL) {
 624                 if (tags)
 625                         die(_("--all and --tags are incompatible"));
 626                 if (argc >= 2)
 627                         die(_("--all can't be combined with refspecs"));
 628         }
 629         if (flags & TRANSPORT_PUSH_MIRROR) {
 630                 if (tags)
 631                         die(_("--mirror and --tags are incompatible"));
 632                 if (argc >= 2)
 633                         die(_("--mirror can't be combined with refspecs"));
 634         }
 635         if ((flags & TRANSPORT_PUSH_ALL) && (flags & TRANSPORT_PUSH_MIRROR))
 636                 die(_("--all and --mirror are incompatible"));
 637
 638         for_each_string_list_item(item, push_options)
 639                 if (strchr(item->string, '\n'))
 640                         die(_("push options must not have new line characters"));
 641
 642         rc = do_push(repo, flags, push_options, remote);
 643         string_list_clear(&push_options_cmdline, 0);
 644         string_list_clear(&push_options_config, 0);
 645         if (rc == -1)
 646                 usage_with_options(push_usage, options);
 647         else
 648                 return rc;
 649 }