builtin/push.c

   1 /*
   2  * "git push"
   3  */
   4 #include "cache.h"
   5 #include "config.h"
   6 #include "refs.h"
   7 #include "refspec.h"
   8 #include "run-command.h"
   9 #include "builtin.h"
  10 #include "remote.h"
  11 #include "transport.h"
  12 #include "parse-options.h"
  13 #include "submodule.h"
  14 #include "submodule-config.h"
  15 #include "send-pack.h"
  16 #include "color.h"
  17
  18 static const char * const push_usage[] = {
  19         N_("git push [<options>] [<repository> [<refspec>...]]"),
  20         NULL,
  21 };
  22
  23 static int push_use_color = -1;
  24 static char push_colors[][COLOR_MAXLEN] = {
  25         GIT_COLOR_RESET,
  26         GIT_COLOR_RED,  /* ERROR */
  27 };
  28
  29 enum color_push {
  30         PUSH_COLOR_RESET = 0,
  31         PUSH_COLOR_ERROR = 1
  32 };
  33
  34 static int parse_push_color_slot(const char *slot)
  35 {
  36         if (!strcasecmp(slot, "reset"))
  37                 return PUSH_COLOR_RESET;
  38         if (!strcasecmp(slot, "error"))
  39                 return PUSH_COLOR_ERROR;
  40         return -1;
  41 }
  42
  43 static const char *push_get_color(enum color_push ix)
  44 {
  45         if (want_color_stderr(push_use_color))
  46                 return push_colors[ix];
  47         return "";
  48 }
  49
  50 static int thin = 1;
  51 static int deleterefs;
  52 static const char *receivepack;
  53 static int verbosity;
  54 static int progress = -1;
  55 static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
  56 static enum transport_family family;
  57
  58 static struct push_cas_option cas;
  59
  60 static struct refspec rs = REFSPEC_INIT_PUSH;
  61
  62 static struct string_list push_options_config = STRING_LIST_INIT_DUP;
  63
  64 static void refspec_append_mapped(struct refspec *refspec, const char *ref,
  65                                   struct remote *remote, struct ref *local_refs)
  66 {
  67         const char *branch_name;
  68         struct ref *matched = NULL;
  69
  70         /* Does "ref" uniquely name our ref? */
  71         if (count_refspec_match(ref, local_refs, &matched) != 1) {
  72                 refspec_append(refspec, ref);
  73                 return;
  74         }
  75
  76         if (remote->push.nr) {
  77                 struct refspec_item query;
  78                 memset(&query, 0, sizeof(struct refspec_item));
  79                 query.src = matched->name;
  80                 if (!query_refspecs(&remote->push, &query) && query.dst) {
  81                         refspec_appendf(refspec, "%s%s:%s",
  82                                         query.force ? "+" : "",
  83                                         query.src, query.dst);
  84                         return;
  85                 }
  86         }
  87
  88         if (push_default == PUSH_DEFAULT_UPSTREAM &&
  89             skip_prefix(matched->name, "refs/heads/", &branch_name)) {
  90                 struct branch *branch = branch_get(branch_name);
  91                 if (branch->merge_nr == 1 && branch->merge[0]->src) {
  92                         refspec_appendf(refspec, "%s:%s",
  93                                         ref, branch->merge[0]->src);
  94                         return;
  95                 }
  96         }
  97
  98         refspec_append(refspec, ref);
  99 }
 100
 101 static void set_refspecs(const char **refs, int nr, const char *repo)
 102 {
 103         struct remote *remote = NULL;
 104         struct ref *local_refs = NULL;
 105         int i;
 106
 107         for (i = 0; i < nr; i++) {
 108                 const char *ref = refs[i];
 109                 if (!strcmp("tag", ref)) {
 110                         if (nr <= ++i)
 111                                 die(_("tag shorthand without <tag>"));
 112                         ref = refs[i];
 113                         if (deleterefs)
 114                                 refspec_appendf(&rs, ":refs/tags/%s", ref);
 115                         else
 116                                 refspec_appendf(&rs, "refs/tags/%s", ref);
 117                 } else if (deleterefs) {
 118                         if (strchr(ref, ':') || !*ref)
 119                                 die(_("--delete only accepts plain target ref names"));
 120                         refspec_appendf(&rs, ":%s", ref);
 121                 } else if (!strchr(ref, ':')) {
 122                         if (!remote) {
 123                                 /* lazily grab remote and local_refs */
 124                                 remote = remote_get(repo);
 125                                 local_refs = get_local_heads();
 126                         }
 127                         refspec_append_mapped(&rs, ref, remote, local_refs);
 128                 } else
 129                         refspec_append(&rs, ref);
 130         }
 131 }
 132
 133 static int push_url_of_remote(struct remote *remote, const char ***url_p)
 134 {
 135         if (remote->pushurl_nr) {
 136                 *url_p = remote->pushurl;
 137                 return remote->pushurl_nr;
 138         }
 139         *url_p = remote->url;
 140         return remote->url_nr;
 141 }
 142
 143 static NORETURN void die_push_simple(struct branch *branch,
 144                                      struct remote *remote)
 145 {
 146         /*
 147          * There's no point in using shorten_unambiguous_ref here,
 148          * as the ambiguity would be on the remote side, not what
 149          * we have locally. Plus, this is supposed to be the simple
 150          * mode. If the user is doing something crazy like setting
 151          * upstream to a non-branch, we should probably be showing
 152          * them the big ugly fully qualified ref.
 153          */
 154         const char *advice_maybe = "";
 155         const char *short_upstream = branch->merge[0]->src;
 156
 157         skip_prefix(short_upstream, "refs/heads/", &short_upstream);
 158
 159         /*
 160          * Don't show advice for people who explicitly set
 161          * push.default.
 162          */
 163         if (push_default == PUSH_DEFAULT_UNSPECIFIED)
 164                 advice_maybe = _("\n"
 165                                  "To choose either option permanently, "
 166                                  "see push.default in 'git help config'.");
 167         die(_("The upstream branch of your current branch does not match\n"
 168               "the name of your current branch.  To push to the upstream branch\n"
 169               "on the remote, use\n"
 170               "\n"
 171               "    git push %s HEAD:%s\n"
 172               "\n"
 173               "To push to the branch of the same name on the remote, use\n"
 174               "\n"
 175               "    git push %s HEAD\n"
 176               "%s"),
 177             remote->name, short_upstream,
 178             remote->name, advice_maybe);
 179 }
 180
 181 static const char message_detached_head_die[] =
 182         N_("You are not currently on a branch.\n"
 183            "To push the history leading to the current (detached HEAD)\n"
 184            "state now, use\n"
 185            "\n"
 186            "    git push %s HEAD:<name-of-remote-branch>\n");
 187
 188 static void setup_push_upstream(struct remote *remote, struct branch *branch,
 189                                 int triangular, int simple)
 190 {
 191         if (!branch)
 192                 die(_(message_detached_head_die), remote->name);
 193         if (!branch->merge_nr || !branch->merge || !branch->remote_name)
 194                 die(_("The current branch %s has no upstream branch.\n"
 195                     "To push the current branch and set the remote as upstream, use\n"
 196                     "\n"
 197                     "    git push --set-upstream %s %s\n"),
 198                     branch->name,
 199                     remote->name,
 200                     branch->name);
 201         if (branch->merge_nr != 1)
 202                 die(_("The current branch %s has multiple upstream branches, "
 203                     "refusing to push."), branch->name);
 204         if (triangular)
 205                 die(_("You are pushing to remote '%s', which is not the upstream of\n"
 206                       "your current branch '%s', without telling me what to push\n"
 207                       "to update which remote branch."),
 208                     remote->name, branch->name);
 209
 210         if (simple) {
 211                 /* Additional safety */
 212                 if (strcmp(branch->refname, branch->merge[0]->src))
 213                         die_push_simple(branch, remote);
 214         }
 215
 216         refspec_appendf(&rs, "%s:%s", branch->refname, branch->merge[0]->src);
 217 }
 218
 219 static void setup_push_current(struct remote *remote, struct branch *branch)
 220 {
 221         if (!branch)
 222                 die(_(message_detached_head_die), remote->name);
 223         refspec_appendf(&rs, "%s:%s", branch->refname, branch->refname);
 224 }
 225
 226 static int is_workflow_triangular(struct remote *remote)
 227 {
 228         struct remote *fetch_remote = remote_get(NULL);
 229         return (fetch_remote && fetch_remote != remote);
 230 }
 231
 232 static void setup_default_push_refspecs(struct remote *remote)
 233 {
 234         struct branch *branch = branch_get(NULL);
 235         int triangular = is_workflow_triangular(remote);
 236
 237         switch (push_default) {
 238         default:
 239         case PUSH_DEFAULT_MATCHING:
 240                 refspec_append(&rs, ":");
 241                 break;
 242
 243         case PUSH_DEFAULT_UNSPECIFIED:
 244         case PUSH_DEFAULT_SIMPLE:
 245                 if (triangular)
 246                         setup_push_current(remote, branch);
 247                 else
 248                         setup_push_upstream(remote, branch, triangular, 1);
 249                 break;
 250
 251         case PUSH_DEFAULT_UPSTREAM:
 252                 setup_push_upstream(remote, branch, triangular, 0);
 253                 break;
 254
 255         case PUSH_DEFAULT_CURRENT:
 256                 setup_push_current(remote, branch);
 257                 break;
 258
 259         case PUSH_DEFAULT_NOTHING:
 260                 die(_("You didn't specify any refspecs to push, and "
 261                     "push.default is \"nothing\"."));
 262                 break;
 263         }
 264 }
 265
 266 static const char message_advice_pull_before_push[] =
 267         N_("Updates were rejected because the tip of your current branch is behind\n"
 268            "its remote counterpart. Integrate the remote changes (e.g.\n"
 269            "'git pull ...') before pushing again.\n"
 270            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 271
 272 static const char message_advice_checkout_pull_push[] =
 273         N_("Updates were rejected because a pushed branch tip is behind its remote\n"
 274            "counterpart. Check out this branch and integrate the remote changes\n"
 275            "(e.g. 'git pull ...') before pushing again.\n"
 276            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 277
 278 static const char message_advice_ref_fetch_first[] =
 279         N_("Updates were rejected because the remote contains work that you do\n"
 280            "not have locally. This is usually caused by another repository pushing\n"
 281            "to the same ref. You may want to first integrate the remote changes\n"
 282            "(e.g., 'git pull ...') before pushing again.\n"
 283            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 284
 285 static const char message_advice_ref_already_exists[] =
 286         N_("Updates were rejected because the tag already exists in the remote.");
 287
 288 static const char message_advice_ref_needs_force[] =
 289         N_("You cannot update a remote ref that points at a non-commit object,\n"
 290            "or update a remote ref to make it point at a non-commit object,\n"
 291            "without using the '--force' option.\n");
 292
 293 static const char message_advice_ref_needs_update[] =
 294         N_("Updates were rejected because the tip of the remote-tracking\n"
 295            "branch has been updated since the last checkout. You may want\n"
 296            "to integrate those changes locally (e.g., 'git pull ...')\n"
 297            "before forcing an update.\n");
 298
 299 static void advise_pull_before_push(void)
 300 {
 301         if (!advice_push_non_ff_current || !advice_push_update_rejected)
 302                 return;
 303         advise(_(message_advice_pull_before_push));
 304 }
 305
 306 static void advise_checkout_pull_push(void)
 307 {
 308         if (!advice_push_non_ff_matching || !advice_push_update_rejected)
 309                 return;
 310         advise(_(message_advice_checkout_pull_push));
 311 }
 312
 313 static void advise_ref_already_exists(void)
 314 {
 315         if (!advice_push_already_exists || !advice_push_update_rejected)
 316                 return;
 317         advise(_(message_advice_ref_already_exists));
 318 }
 319
 320 static void advise_ref_fetch_first(void)
 321 {
 322         if (!advice_push_fetch_first || !advice_push_update_rejected)
 323                 return;
 324         advise(_(message_advice_ref_fetch_first));
 325 }
 326
 327 static void advise_ref_needs_force(void)
 328 {
 329         if (!advice_push_needs_force || !advice_push_update_rejected)
 330                 return;
 331         advise(_(message_advice_ref_needs_force));
 332 }
 333
 334 static void advise_ref_needs_update(void)
 335 {
 336         if (!advice_push_ref_needs_update || !advice_push_update_rejected)
 337                 return;
 338         advise(_(message_advice_ref_needs_update));
 339 }
 340
 341 static int push_with_options(struct transport *transport, struct refspec *rs,
 342                              int flags)
 343 {
 344         int err;
 345         unsigned int reject_reasons;
 346         char *anon_url = transport_anonymize_url(transport->url);
 347
 348         transport_set_verbosity(transport, verbosity, progress);
 349         transport->family = family;
 350
 351         if (receivepack)
 352                 transport_set_option(transport,
 353                                      TRANS_OPT_RECEIVEPACK, receivepack);
 354         transport_set_option(transport, TRANS_OPT_THIN, thin ? "yes" : NULL);
 355
 356         if (!is_empty_cas(&cas)) {
 357                 if (!transport->smart_options)
 358                         die("underlying transport does not support --%s option",
 359                             CAS_OPT_NAME);
 360                 transport->smart_options->cas = &cas;
 361         }
 362
 363         if (verbosity > 0)
 364                 fprintf(stderr, _("Pushing to %s\n"), anon_url);
 365         trace2_region_enter("push", "transport_push", the_repository);
 366         err = transport_push(the_repository, transport,
 367                              rs, flags, &reject_reasons);
 368         trace2_region_leave("push", "transport_push", the_repository);
 369         if (err != 0) {
 370                 fprintf(stderr, "%s", push_get_color(PUSH_COLOR_ERROR));
 371                 error(_("failed to push some refs to '%s'"), anon_url);
 372                 fprintf(stderr, "%s", push_get_color(PUSH_COLOR_RESET));
 373         }
 374
 375         err |= transport_disconnect(transport);
 376         free(anon_url);
 377         if (!err)
 378                 return 0;
 379
 380         if (reject_reasons & REJECT_NON_FF_HEAD) {
 381                 advise_pull_before_push();
 382         } else if (reject_reasons & REJECT_NON_FF_OTHER) {
 383                 advise_checkout_pull_push();
 384         } else if (reject_reasons & REJECT_ALREADY_EXISTS) {
 385                 advise_ref_already_exists();
 386         } else if (reject_reasons & REJECT_FETCH_FIRST) {
 387                 advise_ref_fetch_first();
 388         } else if (reject_reasons & REJECT_NEEDS_FORCE) {
 389                 advise_ref_needs_force();
 390         } else if (reject_reasons & REJECT_REF_NEEDS_UPDATE) {
 391                 advise_ref_needs_update();
 392         }
 393
 394         return 1;
 395 }
 396
 397 static int do_push(int flags,
 398                    const struct string_list *push_options,
 399                    struct remote *remote)
 400 {
 401         int i, errs;
 402         const char **url;
 403         int url_nr;
 404         struct refspec *push_refspec = &rs;
 405
 406         if (push_options->nr)
 407                 flags |= TRANSPORT_PUSH_OPTIONS;
 408
 409         if (!push_refspec->nr && !(flags & TRANSPORT_PUSH_ALL)) {
 410                 if (remote->push.nr) {
 411                         push_refspec = &remote->push;
 412                 } else if (!(flags & TRANSPORT_PUSH_MIRROR))
 413                         setup_default_push_refspecs(remote);
 414         }
 415         errs = 0;
 416         url_nr = push_url_of_remote(remote, &url);
 417         if (url_nr) {
 418                 for (i = 0; i < url_nr; i++) {
 419                         struct transport *transport =
 420                                 transport_get(remote, url[i]);
 421                         if (flags & TRANSPORT_PUSH_OPTIONS)
 422                                 transport->push_options = push_options;
 423                         if (push_with_options(transport, push_refspec, flags))
 424                                 errs++;
 425                 }
 426         } else {
 427                 struct transport *transport =
 428                         transport_get(remote, NULL);
 429                 if (flags & TRANSPORT_PUSH_OPTIONS)
 430                         transport->push_options = push_options;
 431                 if (push_with_options(transport, push_refspec, flags))
 432                         errs++;
 433         }
 434         return !!errs;
 435 }
 436
 437 static int option_parse_recurse_submodules(const struct option *opt,
 438                                    const char *arg, int unset)
 439 {
 440         int *recurse_submodules = opt->value;
 441
 442         if (unset)
 443                 *recurse_submodules = RECURSE_SUBMODULES_OFF;
 444         else
 445                 *recurse_submodules = parse_push_recurse_submodules_arg(opt->long_name, arg);
 446
 447         return 0;
 448 }
 449
 450 static void set_push_cert_flags(int *flags, int v)
 451 {
 452         switch (v) {
 453         case SEND_PACK_PUSH_CERT_NEVER:
 454                 *flags &= ~(TRANSPORT_PUSH_CERT_ALWAYS | TRANSPORT_PUSH_CERT_IF_ASKED);
 455                 break;
 456         case SEND_PACK_PUSH_CERT_ALWAYS:
 457                 *flags |= TRANSPORT_PUSH_CERT_ALWAYS;
 458                 *flags &= ~TRANSPORT_PUSH_CERT_IF_ASKED;
 459                 break;
 460         case SEND_PACK_PUSH_CERT_IF_ASKED:
 461                 *flags |= TRANSPORT_PUSH_CERT_IF_ASKED;
 462                 *flags &= ~TRANSPORT_PUSH_CERT_ALWAYS;
 463                 break;
 464         }
 465 }
 466
 467
 468 static int git_push_config(const char *k, const char *v, void *cb)
 469 {
 470         const char *slot_name;
 471         int *flags = cb;
 472         int status;
 473
 474         status = git_gpg_config(k, v, NULL);
 475         if (status)
 476                 return status;
 477
 478         if (!strcmp(k, "push.followtags")) {
 479                 if (git_config_bool(k, v))
 480                         *flags |= TRANSPORT_PUSH_FOLLOW_TAGS;
 481                 else
 482                         *flags &= ~TRANSPORT_PUSH_FOLLOW_TAGS;
 483                 return 0;
 484         } else if (!strcmp(k, "push.gpgsign")) {
 485                 const char *value;
 486                 if (!git_config_get_value("push.gpgsign", &value)) {
 487                         switch (git_parse_maybe_bool(value)) {
 488                         case 0:
 489                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_NEVER);
 490                                 break;
 491                         case 1:
 492                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_ALWAYS);
 493                                 break;
 494                         default:
 495                                 if (value && !strcasecmp(value, "if-asked"))
 496                                         set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_IF_ASKED);
 497                                 else
 498                                         return error("Invalid value for '%s'", k);
 499                         }
 500                 }
 501         } else if (!strcmp(k, "push.recursesubmodules")) {
 502                 const char *value;
 503                 if (!git_config_get_value("push.recursesubmodules", &value))
 504                         recurse_submodules = parse_push_recurse_submodules_arg(k, value);
 505         } else if (!strcmp(k, "submodule.recurse")) {
 506                 int val = git_config_bool(k, v) ?
 507                         RECURSE_SUBMODULES_ON_DEMAND : RECURSE_SUBMODULES_OFF;
 508                 recurse_submodules = val;
 509         } else if (!strcmp(k, "push.pushoption")) {
 510                 if (!v)
 511                         return config_error_nonbool(k);
 512                 else
 513                         if (!*v)
 514                                 string_list_clear(&push_options_config, 0);
 515                         else
 516                                 string_list_append(&push_options_config, v);
 517                 return 0;
 518         } else if (!strcmp(k, "color.push")) {
 519                 push_use_color = git_config_colorbool(k, v);
 520                 return 0;
 521         } else if (skip_prefix(k, "color.push.", &slot_name)) {
 522                 int slot = parse_push_color_slot(slot_name);
 523                 if (slot < 0)
 524                         return 0;
 525                 if (!v)
 526                         return config_error_nonbool(k);
 527                 return color_parse(v, push_colors[slot]);
 528         } else if (!strcmp(k, "push.useforceifincludes")) {
 529                 if (git_config_bool(k, v))
 530                         *flags |= TRANSPORT_PUSH_FORCE_IF_INCLUDES;
 531                 else
 532                         *flags &= ~TRANSPORT_PUSH_FORCE_IF_INCLUDES;
 533                 return 0;
 534         }
 535
 536         return git_default_config(k, v, NULL);
 537 }
 538
 539 int cmd_push(int argc, const char **argv, const char *prefix)
 540 {
 541         int flags = 0;
 542         int tags = 0;
 543         int push_cert = -1;
 544         int rc;
 545         const char *repo = NULL;        /* default repository */
 546         struct string_list push_options_cmdline = STRING_LIST_INIT_DUP;
 547         struct string_list *push_options;
 548         const struct string_list_item *item;
 549         struct remote *remote;
 550
 551         struct option options[] = {
 552                 OPT__VERBOSITY(&verbosity),
 553                 OPT_STRING( 0 , "repo", &repo, N_("repository"), N_("repository")),
 554                 OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
 555                 OPT_BIT( 0 , "mirror", &flags, N_("mirror all refs"),
 556                             (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
 557                 OPT_BOOL('d', "delete", &deleterefs, N_("delete refs")),
 558                 OPT_BOOL( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
 559                 OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
 560                 OPT_BIT( 0,  "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
 561                 OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
 562                 OPT_CALLBACK_F(0, CAS_OPT_NAME, &cas, N_("<refname>:<expect>"),
 563                                N_("require old value of ref to be at this value"),
 564                                PARSE_OPT_OPTARG | PARSE_OPT_LITERAL_ARGHELP, parseopt_push_cas_option),
 565                 OPT_BIT(0, TRANS_OPT_FORCE_IF_INCLUDES, &flags,
 566                         N_("require remote updates to be integrated locally"),
 567                         TRANSPORT_PUSH_FORCE_IF_INCLUDES),
 568                 OPT_CALLBACK(0, "recurse-submodules", &recurse_submodules, "(check|on-demand|no)",
 569                              N_("control recursive pushing of submodules"), 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                 OPT_CALLBACK_F(0, "signed", &push_cert, "(yes|no|if-asked)", N_("GPG sign the push"),
 582                                 PARSE_OPT_OPTARG, option_parse_push_signed),
 583                 OPT_BIT(0, "atomic", &flags, N_("request atomic transaction on remote side"), TRANSPORT_PUSH_ATOMIC),
 584                 OPT_STRING_LIST('o', "push-option", &push_options_cmdline, N_("server-specific"), N_("option to transmit")),
 585                 OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
 586                                 TRANSPORT_FAMILY_IPV4),
 587                 OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
 588                                 TRANSPORT_FAMILY_IPV6),
 589                 OPT_END()
 590         };
 591
 592         packet_trace_identity("push");
 593         git_config(git_push_config, &flags);
 594         argc = parse_options(argc, argv, prefix, options, push_usage, 0);
 595         push_options = (push_options_cmdline.nr
 596                 ? &push_options_cmdline
 597                 : &push_options_config);
 598         set_push_cert_flags(&flags, push_cert);
 599
 600         if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
 601                 die(_("--delete is incompatible with --all, --mirror and --tags"));
 602         if (deleterefs && argc < 2)
 603                 die(_("--delete doesn't make sense without any refs"));
 604
 605         if (recurse_submodules == RECURSE_SUBMODULES_CHECK)
 606                 flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK;
 607         else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
 608                 flags |= TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND;
 609         else if (recurse_submodules == RECURSE_SUBMODULES_ONLY)
 610                 flags |= TRANSPORT_RECURSE_SUBMODULES_ONLY;
 611
 612         if (tags)
 613                 refspec_append(&rs, "refs/tags/*");
 614
 615         if (argc > 0) {
 616                 repo = argv[0];
 617                 set_refspecs(argv + 1, argc - 1, repo);
 618         }
 619
 620         remote = pushremote_get(repo);
 621         if (!remote) {
 622                 if (repo)
 623                         die(_("bad repository '%s'"), repo);
 624                 die(_("No configured push destination.\n"
 625                     "Either specify the URL from the command-line or configure a remote repository using\n"
 626                     "\n"
 627                     "    git remote add <name> <url>\n"
 628                     "\n"
 629                     "and then push using the remote name\n"
 630                     "\n"
 631                     "    git push <name>\n"));
 632         }
 633
 634         if (remote->mirror)
 635                 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
 636
 637         if (flags & TRANSPORT_PUSH_ALL) {
 638                 if (tags)
 639                         die(_("--all and --tags are incompatible"));
 640                 if (argc >= 2)
 641                         die(_("--all can't be combined with refspecs"));
 642         }
 643         if (flags & TRANSPORT_PUSH_MIRROR) {
 644                 if (tags)
 645                         die(_("--mirror and --tags are incompatible"));
 646                 if (argc >= 2)
 647                         die(_("--mirror can't be combined with refspecs"));
 648         }
 649         if ((flags & TRANSPORT_PUSH_ALL) && (flags & TRANSPORT_PUSH_MIRROR))
 650                 die(_("--all and --mirror are incompatible"));
 651
 652         if (!is_empty_cas(&cas) && (flags & TRANSPORT_PUSH_FORCE_IF_INCLUDES))
 653                 cas.use_force_if_includes = 1;
 654
 655         for_each_string_list_item(item, push_options)
 656                 if (strchr(item->string, '\n'))
 657                         die(_("push options must not have new line characters"));
 658
 659         rc = do_push(flags, push_options, remote);
 660         string_list_clear(&push_options_cmdline, 0);
 661         string_list_clear(&push_options_config, 0);
 662         if (rc == -1)
 663                 usage_with_options(push_usage, options);
 664         else
 665                 return rc;
 666 }