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         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                 return ref;
  73
  74         if (remote->push.nr) {
  75                 struct refspec_item query;
  76                 memset(&query, 0, sizeof(struct refspec_item));
  77                 query.src = matched->name;
  78                 if (!query_refspecs(&remote->push, &query) && query.dst) {
  79                         struct strbuf buf = STRBUF_INIT;
  80                         strbuf_addf(&buf, "%s%s:%s",
  81                                     query.force ? "+" : "",
  82                                     query.src, query.dst);
  83                         return strbuf_detach(&buf, NULL);
  84                 }
  85         }
  86
  87         if (push_default == PUSH_DEFAULT_UPSTREAM &&
  88             skip_prefix(matched->name, "refs/heads/", &branch_name)) {
  89                 struct branch *branch = branch_get(branch_name);
  90                 if (branch->merge_nr == 1 && branch->merge[0]->src) {
  91                         struct strbuf buf = STRBUF_INIT;
  92                         strbuf_addf(&buf, "%s:%s",
  93                                     ref, branch->merge[0]->src);
  94                         return strbuf_detach(&buf, NULL);
  95                 }
  96         }
  97
  98         return 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                         struct strbuf tagref = STRBUF_INIT;
 111                         if (nr <= ++i)
 112                                 die(_("tag shorthand without <tag>"));
 113                         ref = refs[i];
 114                         if (deleterefs)
 115                                 strbuf_addf(&tagref, ":refs/tags/%s", ref);
 116                         else
 117                                 strbuf_addf(&tagref, "refs/tags/%s", ref);
 118                         ref = strbuf_detach(&tagref, NULL);
 119                 } else if (deleterefs) {
 120                         struct strbuf delref = STRBUF_INIT;
 121                         if (strchr(ref, ':'))
 122                                 die(_("--delete only accepts plain target ref names"));
 123                         strbuf_addf(&delref, ":%s", ref);
 124                         ref = strbuf_detach(&delref, NULL);
 125                 } else if (!strchr(ref, ':')) {
 126                         if (!remote) {
 127                                 /* lazily grab remote and local_refs */
 128                                 remote = remote_get(repo);
 129                                 local_refs = get_local_heads();
 130                         }
 131                         ref = map_refspec(ref, remote, local_refs);
 132                 }
 133                 refspec_append(&rs, ref);
 134         }
 135 }
 136
 137 static int push_url_of_remote(struct remote *remote, const char ***url_p)
 138 {
 139         if (remote->pushurl_nr) {
 140                 *url_p = remote->pushurl;
 141                 return remote->pushurl_nr;
 142         }
 143         *url_p = remote->url;
 144         return remote->url_nr;
 145 }
 146
 147 static NORETURN void die_push_simple(struct branch *branch,
 148                                      struct remote *remote)
 149 {
 150         /*
 151          * There's no point in using shorten_unambiguous_ref here,
 152          * as the ambiguity would be on the remote side, not what
 153          * we have locally. Plus, this is supposed to be the simple
 154          * mode. If the user is doing something crazy like setting
 155          * upstream to a non-branch, we should probably be showing
 156          * them the big ugly fully qualified ref.
 157          */
 158         const char *advice_maybe = "";
 159         const char *short_upstream = branch->merge[0]->src;
 160
 161         skip_prefix(short_upstream, "refs/heads/", &short_upstream);
 162
 163         /*
 164          * Don't show advice for people who explicitly set
 165          * push.default.
 166          */
 167         if (push_default == PUSH_DEFAULT_UNSPECIFIED)
 168                 advice_maybe = _("\n"
 169                                  "To choose either option permanently, "
 170                                  "see push.default in 'git help config'.");
 171         die(_("The upstream branch of your current branch does not match\n"
 172               "the name of your current branch.  To push to the upstream branch\n"
 173               "on the remote, use\n"
 174               "\n"
 175               "    git push %s HEAD:%s\n"
 176               "\n"
 177               "To push to the branch of the same name on the remote, use\n"
 178               "\n"
 179               "    git push %s HEAD\n"
 180               "%s"),
 181             remote->name, short_upstream,
 182             remote->name, advice_maybe);
 183 }
 184
 185 static const char message_detached_head_die[] =
 186         N_("You are not currently on a branch.\n"
 187            "To push the history leading to the current (detached HEAD)\n"
 188            "state now, use\n"
 189            "\n"
 190            "    git push %s HEAD:<name-of-remote-branch>\n");
 191
 192 static void setup_push_upstream(struct remote *remote, struct branch *branch,
 193                                 int triangular, int simple)
 194 {
 195         struct strbuf refspec = STRBUF_INIT;
 196
 197         if (!branch)
 198                 die(_(message_detached_head_die), remote->name);
 199         if (!branch->merge_nr || !branch->merge || !branch->remote_name)
 200                 die(_("The current branch %s has no upstream branch.\n"
 201                     "To push the current branch and set the remote as upstream, use\n"
 202                     "\n"
 203                     "    git push --set-upstream %s %s\n"),
 204                     branch->name,
 205                     remote->name,
 206                     branch->name);
 207         if (branch->merge_nr != 1)
 208                 die(_("The current branch %s has multiple upstream branches, "
 209                     "refusing to push."), branch->name);
 210         if (triangular)
 211                 die(_("You are pushing to remote '%s', which is not the upstream of\n"
 212                       "your current branch '%s', without telling me what to push\n"
 213                       "to update which remote branch."),
 214                     remote->name, branch->name);
 215
 216         if (simple) {
 217                 /* Additional safety */
 218                 if (strcmp(branch->refname, branch->merge[0]->src))
 219                         die_push_simple(branch, remote);
 220         }
 221
 222         strbuf_addf(&refspec, "%s:%s", branch->refname, branch->merge[0]->src);
 223         refspec_append(&rs, refspec.buf);
 224 }
 225
 226 static void setup_push_current(struct remote *remote, struct branch *branch)
 227 {
 228         struct strbuf refspec = STRBUF_INIT;
 229
 230         if (!branch)
 231                 die(_(message_detached_head_die), remote->name);
 232         strbuf_addf(&refspec, "%s:%s", branch->refname, branch->refname);
 233         refspec_append(&rs, refspec.buf);
 234 }
 235
 236 static int is_workflow_triangular(struct remote *remote)
 237 {
 238         struct remote *fetch_remote = remote_get(NULL);
 239         return (fetch_remote && fetch_remote != remote);
 240 }
 241
 242 static void setup_default_push_refspecs(struct remote *remote)
 243 {
 244         struct branch *branch = branch_get(NULL);
 245         int triangular = is_workflow_triangular(remote);
 246
 247         switch (push_default) {
 248         default:
 249         case PUSH_DEFAULT_MATCHING:
 250                 refspec_append(&rs, ":");
 251                 break;
 252
 253         case PUSH_DEFAULT_UNSPECIFIED:
 254         case PUSH_DEFAULT_SIMPLE:
 255                 if (triangular)
 256                         setup_push_current(remote, branch);
 257                 else
 258                         setup_push_upstream(remote, branch, triangular, 1);
 259                 break;
 260
 261         case PUSH_DEFAULT_UPSTREAM:
 262                 setup_push_upstream(remote, branch, triangular, 0);
 263                 break;
 264
 265         case PUSH_DEFAULT_CURRENT:
 266                 setup_push_current(remote, branch);
 267                 break;
 268
 269         case PUSH_DEFAULT_NOTHING:
 270                 die(_("You didn't specify any refspecs to push, and "
 271                     "push.default is \"nothing\"."));
 272                 break;
 273         }
 274 }
 275
 276 static const char message_advice_pull_before_push[] =
 277         N_("Updates were rejected because the tip of your current branch is behind\n"
 278            "its remote counterpart. Integrate the remote changes (e.g.\n"
 279            "'git pull ...') before pushing again.\n"
 280            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 281
 282 static const char message_advice_checkout_pull_push[] =
 283         N_("Updates were rejected because a pushed branch tip is behind its remote\n"
 284            "counterpart. Check out this branch and integrate the remote changes\n"
 285            "(e.g. 'git pull ...') before pushing again.\n"
 286            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 287
 288 static const char message_advice_ref_fetch_first[] =
 289         N_("Updates were rejected because the remote contains work that you do\n"
 290            "not have locally. This is usually caused by another repository pushing\n"
 291            "to the same ref. You may want to first integrate the remote changes\n"
 292            "(e.g., 'git pull ...') before pushing again.\n"
 293            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 294
 295 static const char message_advice_ref_already_exists[] =
 296         N_("Updates were rejected because the tag already exists in the remote.");
 297
 298 static const char message_advice_ref_needs_force[] =
 299         N_("You cannot update a remote ref that points at a non-commit object,\n"
 300            "or update a remote ref to make it point at a non-commit object,\n"
 301            "without using the '--force' option.\n");
 302
 303 static void advise_pull_before_push(void)
 304 {
 305         if (!advice_push_non_ff_current || !advice_push_update_rejected)
 306                 return;
 307         advise(_(message_advice_pull_before_push));
 308 }
 309
 310 static void advise_checkout_pull_push(void)
 311 {
 312         if (!advice_push_non_ff_matching || !advice_push_update_rejected)
 313                 return;
 314         advise(_(message_advice_checkout_pull_push));
 315 }
 316
 317 static void advise_ref_already_exists(void)
 318 {
 319         if (!advice_push_already_exists || !advice_push_update_rejected)
 320                 return;
 321         advise(_(message_advice_ref_already_exists));
 322 }
 323
 324 static void advise_ref_fetch_first(void)
 325 {
 326         if (!advice_push_fetch_first || !advice_push_update_rejected)
 327                 return;
 328         advise(_(message_advice_ref_fetch_first));
 329 }
 330
 331 static void advise_ref_needs_force(void)
 332 {
 333         if (!advice_push_needs_force || !advice_push_update_rejected)
 334                 return;
 335         advise(_(message_advice_ref_needs_force));
 336 }
 337
 338 static int push_with_options(struct transport *transport, struct refspec *rs,
 339                              int flags)
 340 {
 341         int err;
 342         unsigned int reject_reasons;
 343         char *anon_url = transport_anonymize_url(transport->url);
 344
 345         transport_set_verbosity(transport, verbosity, progress);
 346         transport->family = family;
 347
 348         if (receivepack)
 349                 transport_set_option(transport,
 350                                      TRANS_OPT_RECEIVEPACK, receivepack);
 351         transport_set_option(transport, TRANS_OPT_THIN, thin ? "yes" : NULL);
 352
 353         if (!is_empty_cas(&cas)) {
 354                 if (!transport->smart_options)
 355                         die("underlying transport does not support --%s option",
 356                             CAS_OPT_NAME);
 357                 transport->smart_options->cas = &cas;
 358         }
 359
 360         if (verbosity > 0)
 361                 fprintf(stderr, _("Pushing to %s\n"), anon_url);
 362         trace2_region_enter("push", "transport_push", the_repository);
 363         err = transport_push(the_repository, transport,
 364                              rs, flags, &reject_reasons);
 365         trace2_region_leave("push", "transport_push", the_repository);
 366         if (err != 0) {
 367                 fprintf(stderr, "%s", push_get_color(PUSH_COLOR_ERROR));
 368                 error(_("failed to push some refs to '%s'"), anon_url);
 369                 fprintf(stderr, "%s", push_get_color(PUSH_COLOR_RESET));
 370         }
 371
 372         err |= transport_disconnect(transport);
 373         free(anon_url);
 374         if (!err)
 375                 return 0;
 376
 377         if (reject_reasons & REJECT_NON_FF_HEAD) {
 378                 advise_pull_before_push();
 379         } else if (reject_reasons & REJECT_NON_FF_OTHER) {
 380                 advise_checkout_pull_push();
 381         } else if (reject_reasons & REJECT_ALREADY_EXISTS) {
 382                 advise_ref_already_exists();
 383         } else if (reject_reasons & REJECT_FETCH_FIRST) {
 384                 advise_ref_fetch_first();
 385         } else if (reject_reasons & REJECT_NEEDS_FORCE) {
 386                 advise_ref_needs_force();
 387         }
 388
 389         return 1;
 390 }
 391
 392 static int do_push(const char *repo, int flags,
 393                    const struct string_list *push_options,
 394                    struct remote *remote)
 395 {
 396         int i, errs;
 397         const char **url;
 398         int url_nr;
 399         struct refspec *push_refspec = &rs;
 400
 401         if (push_options->nr)
 402                 flags |= TRANSPORT_PUSH_OPTIONS;
 403
 404         if (!push_refspec->nr && !(flags & TRANSPORT_PUSH_ALL)) {
 405                 if (remote->push.nr) {
 406                         push_refspec = &remote->push;
 407                 } else if (!(flags & TRANSPORT_PUSH_MIRROR))
 408                         setup_default_push_refspecs(remote);
 409         }
 410         errs = 0;
 411         url_nr = push_url_of_remote(remote, &url);
 412         if (url_nr) {
 413                 for (i = 0; i < url_nr; i++) {
 414                         struct transport *transport =
 415                                 transport_get(remote, url[i]);
 416                         if (flags & TRANSPORT_PUSH_OPTIONS)
 417                                 transport->push_options = push_options;
 418                         if (push_with_options(transport, push_refspec, flags))
 419                                 errs++;
 420                 }
 421         } else {
 422                 struct transport *transport =
 423                         transport_get(remote, NULL);
 424                 if (flags & TRANSPORT_PUSH_OPTIONS)
 425                         transport->push_options = push_options;
 426                 if (push_with_options(transport, push_refspec, flags))
 427                         errs++;
 428         }
 429         return !!errs;
 430 }
 431
 432 static int option_parse_recurse_submodules(const struct option *opt,
 433                                    const char *arg, int unset)
 434 {
 435         int *recurse_submodules = opt->value;
 436
 437         if (unset)
 438                 *recurse_submodules = RECURSE_SUBMODULES_OFF;
 439         else
 440                 *recurse_submodules = parse_push_recurse_submodules_arg(opt->long_name, arg);
 441
 442         return 0;
 443 }
 444
 445 static void set_push_cert_flags(int *flags, int v)
 446 {
 447         switch (v) {
 448         case SEND_PACK_PUSH_CERT_NEVER:
 449                 *flags &= ~(TRANSPORT_PUSH_CERT_ALWAYS | TRANSPORT_PUSH_CERT_IF_ASKED);
 450                 break;
 451         case SEND_PACK_PUSH_CERT_ALWAYS:
 452                 *flags |= TRANSPORT_PUSH_CERT_ALWAYS;
 453                 *flags &= ~TRANSPORT_PUSH_CERT_IF_ASKED;
 454                 break;
 455         case SEND_PACK_PUSH_CERT_IF_ASKED:
 456                 *flags |= TRANSPORT_PUSH_CERT_IF_ASKED;
 457                 *flags &= ~TRANSPORT_PUSH_CERT_ALWAYS;
 458                 break;
 459         }
 460 }
 461
 462
 463 static int git_push_config(const char *k, const char *v, void *cb)
 464 {
 465         const char *slot_name;
 466         int *flags = cb;
 467         int status;
 468
 469         status = git_gpg_config(k, v, NULL);
 470         if (status)
 471                 return status;
 472
 473         if (!strcmp(k, "push.followtags")) {
 474                 if (git_config_bool(k, v))
 475                         *flags |= TRANSPORT_PUSH_FOLLOW_TAGS;
 476                 else
 477                         *flags &= ~TRANSPORT_PUSH_FOLLOW_TAGS;
 478                 return 0;
 479         } else if (!strcmp(k, "push.gpgsign")) {
 480                 const char *value;
 481                 if (!git_config_get_value("push.gpgsign", &value)) {
 482                         switch (git_parse_maybe_bool(value)) {
 483                         case 0:
 484                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_NEVER);
 485                                 break;
 486                         case 1:
 487                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_ALWAYS);
 488                                 break;
 489                         default:
 490                                 if (value && !strcasecmp(value, "if-asked"))
 491                                         set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_IF_ASKED);
 492                                 else
 493                                         return error("Invalid value for '%s'", k);
 494                         }
 495                 }
 496         } else if (!strcmp(k, "push.recursesubmodules")) {
 497                 const char *value;
 498                 if (!git_config_get_value("push.recursesubmodules", &value))
 499                         recurse_submodules = parse_push_recurse_submodules_arg(k, value);
 500         } else if (!strcmp(k, "submodule.recurse")) {
 501                 int val = git_config_bool(k, v) ?
 502                         RECURSE_SUBMODULES_ON_DEMAND : RECURSE_SUBMODULES_OFF;
 503                 recurse_submodules = val;
 504         } else if (!strcmp(k, "push.pushoption")) {
 505                 if (!v)
 506                         return config_error_nonbool(k);
 507                 else
 508                         if (!*v)
 509                                 string_list_clear(&push_options_config, 0);
 510                         else
 511                                 string_list_append(&push_options_config, v);
 512                 return 0;
 513         } else if (!strcmp(k, "color.push")) {
 514                 push_use_color = git_config_colorbool(k, v);
 515                 return 0;
 516         } else if (skip_prefix(k, "color.push.", &slot_name)) {
 517                 int slot = parse_push_color_slot(slot_name);
 518                 if (slot < 0)
 519                         return 0;
 520                 if (!v)
 521                         return config_error_nonbool(k);
 522                 return color_parse(v, push_colors[slot]);
 523         }
 524
 525         return git_default_config(k, v, NULL);
 526 }
 527
 528 int cmd_push(int argc, const char **argv, const char *prefix)
 529 {
 530         int flags = 0;
 531         int tags = 0;
 532         int push_cert = -1;
 533         int rc;
 534         const char *repo = NULL;        /* default repository */
 535         struct string_list push_options_cmdline = STRING_LIST_INIT_DUP;
 536         struct string_list *push_options;
 537         const struct string_list_item *item;
 538         struct remote *remote;
 539
 540         struct option options[] = {
 541                 OPT__VERBOSITY(&verbosity),
 542                 OPT_STRING( 0 , "repo", &repo, N_("repository"), N_("repository")),
 543                 OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
 544                 OPT_BIT( 0 , "mirror", &flags, N_("mirror all refs"),
 545                             (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
 546                 OPT_BOOL('d', "delete", &deleterefs, N_("delete refs")),
 547                 OPT_BOOL( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
 548                 OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
 549                 OPT_BIT( 0,  "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
 550                 OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
 551                 OPT_CALLBACK_F(0, CAS_OPT_NAME, &cas, N_("<refname>:<expect>"),
 552                                N_("require old value of ref to be at this value"),
 553                                PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP, parseopt_push_cas_option),
 554                 OPT_CALLBACK(0, "recurse-submodules", &recurse_submodules, "(check|on-demand|no)",
 555                              N_("control recursive pushing of submodules"), option_parse_recurse_submodules),
 556                 OPT_BOOL_F( 0 , "thin", &thin, N_("use thin pack"), PARSE_OPT_NOCOMPLETE),
 557                 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
 558                 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),
 559                 OPT_BIT('u', "set-upstream", &flags, N_("set upstream for git pull/status"),
 560                         TRANSPORT_PUSH_SET_UPSTREAM),
 561                 OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
 562                 OPT_BIT(0, "prune", &flags, N_("prune locally removed refs"),
 563                         TRANSPORT_PUSH_PRUNE),
 564                 OPT_BIT(0, "no-verify", &flags, N_("bypass pre-push hook"), TRANSPORT_PUSH_NO_HOOK),
 565                 OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"),
 566                         TRANSPORT_PUSH_FOLLOW_TAGS),
 567                 OPT_CALLBACK_F(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 }