git.oblomov.eu Git - git/blob - builtin/push.c

   1 /*
   2  * "git push"
   3  */
   4 #include "cache.h"
   5 #include "refs.h"
   6 #include "run-command.h"
   7 #include "builtin.h"
   8 #include "remote.h"
   9 #include "transport.h"
  10 #include "parse-options.h"
  11 #include "submodule.h"
  12 #include "submodule-config.h"
  13 #include "send-pack.h"
  14
  15 static const char * const push_usage[] = {
  16         N_("git push [<options>] [<repository> [<refspec>...]]"),
  17         NULL,
  18 };
  19
  20 static int thin = 1;
  21 static int deleterefs;
  22 static const char *receivepack;
  23 static int verbosity;
  24 static int progress = -1;
  25 static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
  26
  27 static struct push_cas_option cas;
  28
  29 static const char **refspec;
  30 static int refspec_nr;
  31 static int refspec_alloc;
  32
  33 static void add_refspec(const char *ref)
  34 {
  35         refspec_nr++;
  36         ALLOC_GROW(refspec, refspec_nr, refspec_alloc);
  37         refspec[refspec_nr-1] = ref;
  38 }
  39
  40 static const char *map_refspec(const char *ref,
  41                                struct remote *remote, struct ref *local_refs)
  42 {
  43         struct ref *matched = NULL;
  44
  45         /* Does "ref" uniquely name our ref? */
  46         if (count_refspec_match(ref, local_refs, &matched) != 1)
  47                 return ref;
  48
  49         if (remote->push) {
  50                 struct refspec query;
  51                 memset(&query, 0, sizeof(struct refspec));
  52                 query.src = matched->name;
  53                 if (!query_refspecs(remote->push, remote->push_refspec_nr, &query) &&
  54                     query.dst) {
  55                         struct strbuf buf = STRBUF_INIT;
  56                         strbuf_addf(&buf, "%s%s:%s",
  57                                     query.force ? "+" : "",
  58                                     query.src, query.dst);
  59                         return strbuf_detach(&buf, NULL);
  60                 }
  61         }
  62
  63         if (push_default == PUSH_DEFAULT_UPSTREAM &&
  64             starts_with(matched->name, "refs/heads/")) {
  65                 struct branch *branch = branch_get(matched->name + 11);
  66                 if (branch->merge_nr == 1 && branch->merge[0]->src) {
  67                         struct strbuf buf = STRBUF_INIT;
  68                         strbuf_addf(&buf, "%s:%s",
  69                                     ref, branch->merge[0]->src);
  70                         return strbuf_detach(&buf, NULL);
  71                 }
  72         }
  73
  74         return ref;
  75 }
  76
  77 static void set_refspecs(const char **refs, int nr, const char *repo)
  78 {
  79         struct remote *remote = NULL;
  80         struct ref *local_refs = NULL;
  81         int i;
  82
  83         for (i = 0; i < nr; i++) {
  84                 const char *ref = refs[i];
  85                 if (!strcmp("tag", ref)) {
  86                         struct strbuf tagref = STRBUF_INIT;
  87                         if (nr <= ++i)
  88                                 die(_("tag shorthand without <tag>"));
  89                         ref = refs[i];
  90                         if (deleterefs)
  91                                 strbuf_addf(&tagref, ":refs/tags/%s", ref);
  92                         else
  93                                 strbuf_addf(&tagref, "refs/tags/%s", ref);
  94                         ref = strbuf_detach(&tagref, NULL);
  95                 } else if (deleterefs) {
  96                         struct strbuf delref = STRBUF_INIT;
  97                         if (strchr(ref, ':'))
  98                                 die(_("--delete only accepts plain target ref names"));
  99                         strbuf_addf(&delref, ":%s", ref);
 100                         ref = strbuf_detach(&delref, NULL);
 101                 } else if (!strchr(ref, ':')) {
 102                         if (!remote) {
 103                                 /* lazily grab remote and local_refs */
 104                                 remote = remote_get(repo);
 105                                 local_refs = get_local_heads();
 106                         }
 107                         ref = map_refspec(ref, remote, local_refs);
 108                 }
 109                 add_refspec(ref);
 110         }
 111 }
 112
 113 static int push_url_of_remote(struct remote *remote, const char ***url_p)
 114 {
 115         if (remote->pushurl_nr) {
 116                 *url_p = remote->pushurl;
 117                 return remote->pushurl_nr;
 118         }
 119         *url_p = remote->url;
 120         return remote->url_nr;
 121 }
 122
 123 static NORETURN int die_push_simple(struct branch *branch, struct remote *remote) {
 124         /*
 125          * There's no point in using shorten_unambiguous_ref here,
 126          * as the ambiguity would be on the remote side, not what
 127          * we have locally. Plus, this is supposed to be the simple
 128          * mode. If the user is doing something crazy like setting
 129          * upstream to a non-branch, we should probably be showing
 130          * them the big ugly fully qualified ref.
 131          */
 132         const char *advice_maybe = "";
 133         const char *short_upstream = branch->merge[0]->src;
 134
 135         skip_prefix(short_upstream, "refs/heads/", &short_upstream);
 136
 137         /*
 138          * Don't show advice for people who explicitly set
 139          * push.default.
 140          */
 141         if (push_default == PUSH_DEFAULT_UNSPECIFIED)
 142                 advice_maybe = _("\n"
 143                                  "To choose either option permanently, "
 144                                  "see push.default in 'git help config'.");
 145         die(_("The upstream branch of your current branch does not match\n"
 146               "the name of your current branch.  To push to the upstream branch\n"
 147               "on the remote, use\n"
 148               "\n"
 149               "    git push %s HEAD:%s\n"
 150               "\n"
 151               "To push to the branch of the same name on the remote, use\n"
 152               "\n"
 153               "    git push %s %s\n"
 154               "%s"),
 155             remote->name, short_upstream,
 156             remote->name, branch->name, advice_maybe);
 157 }
 158
 159 static const char message_detached_head_die[] =
 160         N_("You are not currently on a branch.\n"
 161            "To push the history leading to the current (detached HEAD)\n"
 162            "state now, use\n"
 163            "\n"
 164            "    git push %s HEAD:<name-of-remote-branch>\n");
 165
 166 static void setup_push_upstream(struct remote *remote, struct branch *branch,
 167                                 int triangular, int simple)
 168 {
 169         struct strbuf refspec = STRBUF_INIT;
 170
 171         if (!branch)
 172                 die(_(message_detached_head_die), remote->name);
 173         if (!branch->merge_nr || !branch->merge || !branch->remote_name)
 174                 die(_("The current branch %s has no upstream branch.\n"
 175                     "To push the current branch and set the remote as upstream, use\n"
 176                     "\n"
 177                     "    git push --set-upstream %s %s\n"),
 178                     branch->name,
 179                     remote->name,
 180                     branch->name);
 181         if (branch->merge_nr != 1)
 182                 die(_("The current branch %s has multiple upstream branches, "
 183                     "refusing to push."), branch->name);
 184         if (triangular)
 185                 die(_("You are pushing to remote '%s', which is not the upstream of\n"
 186                       "your current branch '%s', without telling me what to push\n"
 187                       "to update which remote branch."),
 188                     remote->name, branch->name);
 189
 190         if (simple) {
 191                 /* Additional safety */
 192                 if (strcmp(branch->refname, branch->merge[0]->src))
 193                         die_push_simple(branch, remote);
 194         }
 195
 196         strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src);
 197         add_refspec(refspec.buf);
 198 }
 199
 200 static void setup_push_current(struct remote *remote, struct branch *branch)
 201 {
 202         if (!branch)
 203                 die(_(message_detached_head_die), remote->name);
 204         add_refspec(branch->name);
 205 }
 206
 207 static char warn_unspecified_push_default_msg[] =
 208 N_("push.default is unset; its implicit value has changed in\n"
 209    "Git 2.0 from 'matching' to 'simple'. To squelch this message\n"
 210    "and maintain the traditional behavior, use:\n"
 211    "\n"
 212    "  git config --global push.default matching\n"
 213    "\n"
 214    "To squelch this message and adopt the new behavior now, use:\n"
 215    "\n"
 216    "  git config --global push.default simple\n"
 217    "\n"
 218    "When push.default is set to 'matching', git will push local branches\n"
 219    "to the remote branches that already exist with the same name.\n"
 220    "\n"
 221    "Since Git 2.0, Git defaults to the more conservative 'simple'\n"
 222    "behavior, which only pushes the current branch to the corresponding\n"
 223    "remote branch that 'git pull' uses to update the current branch.\n"
 224    "\n"
 225    "See 'git help config' and search for 'push.default' for further information.\n"
 226    "(the 'simple' mode was introduced in Git 1.7.11. Use the similar mode\n"
 227    "'current' instead of 'simple' if you sometimes use older versions of Git)");
 228
 229 static void warn_unspecified_push_default_configuration(void)
 230 {
 231         static int warn_once;
 232
 233         if (warn_once++)
 234                 return;
 235         warning("%s\n", _(warn_unspecified_push_default_msg));
 236 }
 237
 238 static int is_workflow_triangular(struct remote *remote)
 239 {
 240         struct remote *fetch_remote = remote_get(NULL);
 241         return (fetch_remote && fetch_remote != remote);
 242 }
 243
 244 static void setup_default_push_refspecs(struct remote *remote)
 245 {
 246         struct branch *branch = branch_get(NULL);
 247         int triangular = is_workflow_triangular(remote);
 248
 249         switch (push_default) {
 250         default:
 251         case PUSH_DEFAULT_MATCHING:
 252                 add_refspec(":");
 253                 break;
 254
 255         case PUSH_DEFAULT_UNSPECIFIED:
 256                 warn_unspecified_push_default_configuration();
 257                 /* fallthru */
 258
 259         case PUSH_DEFAULT_SIMPLE:
 260                 if (triangular)
 261                         setup_push_current(remote, branch);
 262                 else
 263                         setup_push_upstream(remote, branch, triangular, 1);
 264                 break;
 265
 266         case PUSH_DEFAULT_UPSTREAM:
 267                 setup_push_upstream(remote, branch, triangular, 0);
 268                 break;
 269
 270         case PUSH_DEFAULT_CURRENT:
 271                 setup_push_current(remote, branch);
 272                 break;
 273
 274         case PUSH_DEFAULT_NOTHING:
 275                 die(_("You didn't specify any refspecs to push, and "
 276                     "push.default is \"nothing\"."));
 277                 break;
 278         }
 279 }
 280
 281 static const char message_advice_pull_before_push[] =
 282         N_("Updates were rejected because the tip of your current branch is behind\n"
 283            "its remote counterpart. Integrate the remote changes (e.g.\n"
 284            "'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_checkout_pull_push[] =
 288         N_("Updates were rejected because a pushed branch tip is behind its remote\n"
 289            "counterpart. Check out this branch and integrate the remote changes\n"
 290            "(e.g. 'git pull ...') before pushing again.\n"
 291            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 292
 293 static const char message_advice_ref_fetch_first[] =
 294         N_("Updates were rejected because the remote contains work that you do\n"
 295            "not have locally. This is usually caused by another repository pushing\n"
 296            "to the same ref. You may want to first integrate the remote changes\n"
 297            "(e.g., 'git pull ...') before pushing again.\n"
 298            "See the 'Note about fast-forwards' in 'git push --help' for details.");
 299
 300 static const char message_advice_ref_already_exists[] =
 301         N_("Updates were rejected because the tag already exists in the remote.");
 302
 303 static const char message_advice_ref_needs_force[] =
 304         N_("You cannot update a remote ref that points at a non-commit object,\n"
 305            "or update a remote ref to make it point at a non-commit object,\n"
 306            "without using the '--force' option.\n");
 307
 308 static void advise_pull_before_push(void)
 309 {
 310         if (!advice_push_non_ff_current || !advice_push_update_rejected)
 311                 return;
 312         advise(_(message_advice_pull_before_push));
 313 }
 314
 315 static void advise_checkout_pull_push(void)
 316 {
 317         if (!advice_push_non_ff_matching || !advice_push_update_rejected)
 318                 return;
 319         advise(_(message_advice_checkout_pull_push));
 320 }
 321
 322 static void advise_ref_already_exists(void)
 323 {
 324         if (!advice_push_already_exists || !advice_push_update_rejected)
 325                 return;
 326         advise(_(message_advice_ref_already_exists));
 327 }
 328
 329 static void advise_ref_fetch_first(void)
 330 {
 331         if (!advice_push_fetch_first || !advice_push_update_rejected)
 332                 return;
 333         advise(_(message_advice_ref_fetch_first));
 334 }
 335
 336 static void advise_ref_needs_force(void)
 337 {
 338         if (!advice_push_needs_force || !advice_push_update_rejected)
 339                 return;
 340         advise(_(message_advice_ref_needs_force));
 341 }
 342
 343 static int push_with_options(struct transport *transport, int flags)
 344 {
 345         int err;
 346         unsigned int reject_reasons;
 347
 348         transport_set_verbosity(transport, verbosity, progress);
 349
 350         if (receivepack)
 351                 transport_set_option(transport,
 352                                      TRANS_OPT_RECEIVEPACK, receivepack);
 353         transport_set_option(transport, TRANS_OPT_THIN, thin ? "yes" : NULL);
 354
 355         if (!is_empty_cas(&cas)) {
 356                 if (!transport->smart_options)
 357                         die("underlying transport does not support --%s option",
 358                             CAS_OPT_NAME);
 359                 transport->smart_options->cas = &cas;
 360         }
 361
 362         if (verbosity > 0)
 363                 fprintf(stderr, _("Pushing to %s\n"), transport->url);
 364         err = transport_push(transport, refspec_nr, refspec, flags,
 365                              &reject_reasons);
 366         if (err != 0)
 367                 error(_("failed to push some refs to '%s'"), transport->url);
 368
 369         err |= transport_disconnect(transport);
 370         if (!err)
 371                 return 0;
 372
 373         if (reject_reasons & REJECT_NON_FF_HEAD) {
 374                 advise_pull_before_push();
 375         } else if (reject_reasons & REJECT_NON_FF_OTHER) {
 376                 advise_checkout_pull_push();
 377         } else if (reject_reasons & REJECT_ALREADY_EXISTS) {
 378                 advise_ref_already_exists();
 379         } else if (reject_reasons & REJECT_FETCH_FIRST) {
 380                 advise_ref_fetch_first();
 381         } else if (reject_reasons & REJECT_NEEDS_FORCE) {
 382                 advise_ref_needs_force();
 383         }
 384
 385         return 1;
 386 }
 387
 388 static int do_push(const char *repo, int flags)
 389 {
 390         int i, errs;
 391         struct remote *remote = pushremote_get(repo);
 392         const char **url;
 393         int url_nr;
 394
 395         if (!remote) {
 396                 if (repo)
 397                         die(_("bad repository '%s'"), repo);
 398                 die(_("No configured push destination.\n"
 399                     "Either specify the URL from the command-line or configure a remote repository using\n"
 400                     "\n"
 401                     "    git remote add <name> <url>\n"
 402                     "\n"
 403                     "and then push using the remote name\n"
 404                     "\n"
 405                     "    git push <name>\n"));
 406         }
 407
 408         if (remote->mirror)
 409                 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
 410
 411         if ((flags & TRANSPORT_PUSH_ALL) && refspec) {
 412                 if (!strcmp(*refspec, "refs/tags/*"))
 413                         return error(_("--all and --tags are incompatible"));
 414                 return error(_("--all can't be combined with refspecs"));
 415         }
 416
 417         if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) {
 418                 if (!strcmp(*refspec, "refs/tags/*"))
 419                         return error(_("--mirror and --tags are incompatible"));
 420                 return error(_("--mirror can't be combined with refspecs"));
 421         }
 422
 423         if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
 424                                 (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
 425                 return error(_("--all and --mirror are incompatible"));
 426         }
 427
 428         if (!refspec && !(flags & TRANSPORT_PUSH_ALL)) {
 429                 if (remote->push_refspec_nr) {
 430                         refspec = remote->push_refspec;
 431                         refspec_nr = remote->push_refspec_nr;
 432                 } else if (!(flags & TRANSPORT_PUSH_MIRROR))
 433                         setup_default_push_refspecs(remote);
 434         }
 435         errs = 0;
 436         url_nr = push_url_of_remote(remote, &url);
 437         if (url_nr) {
 438                 for (i = 0; i < url_nr; i++) {
 439                         struct transport *transport =
 440                                 transport_get(remote, url[i]);
 441                         if (push_with_options(transport, flags))
 442                                 errs++;
 443                 }
 444         } else {
 445                 struct transport *transport =
 446                         transport_get(remote, NULL);
 447
 448                 if (push_with_options(transport, flags))
 449                         errs++;
 450         }
 451         return !!errs;
 452 }
 453
 454 static int option_parse_recurse_submodules(const struct option *opt,
 455                                    const char *arg, int unset)
 456 {
 457         int *recurse_submodules = opt->value;
 458
 459         if (unset)
 460                 *recurse_submodules = RECURSE_SUBMODULES_OFF;
 461         else if (arg)
 462                 *recurse_submodules = parse_push_recurse_submodules_arg(opt->long_name, arg);
 463         else
 464                 die("%s missing parameter", opt->long_name);
 465
 466         return 0;
 467 }
 468
 469 static void set_push_cert_flags(int *flags, int v)
 470 {
 471         switch (v) {
 472         case SEND_PACK_PUSH_CERT_NEVER:
 473                 *flags &= ~(TRANSPORT_PUSH_CERT_ALWAYS | TRANSPORT_PUSH_CERT_IF_ASKED);
 474                 break;
 475         case SEND_PACK_PUSH_CERT_ALWAYS:
 476                 *flags |= TRANSPORT_PUSH_CERT_ALWAYS;
 477                 *flags &= ~TRANSPORT_PUSH_CERT_IF_ASKED;
 478                 break;
 479         case SEND_PACK_PUSH_CERT_IF_ASKED:
 480                 *flags |= TRANSPORT_PUSH_CERT_IF_ASKED;
 481                 *flags &= ~TRANSPORT_PUSH_CERT_ALWAYS;
 482                 break;
 483         }
 484 }
 485
 486
 487 static int git_push_config(const char *k, const char *v, void *cb)
 488 {
 489         int *flags = cb;
 490         int status;
 491
 492         status = git_gpg_config(k, v, NULL);
 493         if (status)
 494                 return status;
 495
 496         if (!strcmp(k, "push.followtags")) {
 497                 if (git_config_bool(k, v))
 498                         *flags |= TRANSPORT_PUSH_FOLLOW_TAGS;
 499                 else
 500                         *flags &= ~TRANSPORT_PUSH_FOLLOW_TAGS;
 501                 return 0;
 502         } else if (!strcmp(k, "push.gpgsign")) {
 503                 const char *value;
 504                 if (!git_config_get_value("push.gpgsign", &value)) {
 505                         switch (git_config_maybe_bool("push.gpgsign", value)) {
 506                         case 0:
 507                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_NEVER);
 508                                 break;
 509                         case 1:
 510                                 set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_ALWAYS);
 511                                 break;
 512                         default:
 513                                 if (value && !strcasecmp(value, "if-asked"))
 514                                         set_push_cert_flags(flags, SEND_PACK_PUSH_CERT_IF_ASKED);
 515                                 else
 516                                         return error("Invalid value for '%s'", k);
 517                         }
 518                 }
 519         } else if (!strcmp(k, "push.recursesubmodules")) {
 520                 const char *value;
 521                 if (!git_config_get_value("push.recursesubmodules", &value))
 522                         recurse_submodules = parse_push_recurse_submodules_arg(k, value);
 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 option options[] = {
 536                 OPT__VERBOSITY(&verbosity),
 537                 OPT_STRING( 0 , "repo", &repo, N_("repository"), N_("repository")),
 538                 OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
 539                 OPT_BIT( 0 , "mirror", &flags, N_("mirror all refs"),
 540                             (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
 541                 OPT_BOOL('d', "delete", &deleterefs, N_("delete refs")),
 542                 OPT_BOOL( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
 543                 OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
 544                 OPT_BIT( 0,  "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
 545                 OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
 546                 { OPTION_CALLBACK,
 547                   0, CAS_OPT_NAME, &cas, N_("refname>:<expect"),
 548                   N_("require old value of ref to be at this value"),
 549                   PARSE_OPT_OPTARG, parseopt_push_cas_option },
 550                 { OPTION_CALLBACK, 0, "recurse-submodules", &recurse_submodules, "check|on-demand|no",
 551                         N_("control recursive pushing of submodules"),
 552                         PARSE_OPT_OPTARG, option_parse_recurse_submodules },
 553                 OPT_BOOL( 0 , "thin", &thin, N_("use thin pack")),
 554                 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
 555                 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),
 556                 OPT_BIT('u', "set-upstream", &flags, N_("set upstream for git pull/status"),
 557                         TRANSPORT_PUSH_SET_UPSTREAM),
 558                 OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
 559                 OPT_BIT(0, "prune", &flags, N_("prune locally removed refs"),
 560                         TRANSPORT_PUSH_PRUNE),
 561                 OPT_BIT(0, "no-verify", &flags, N_("bypass pre-push hook"), TRANSPORT_PUSH_NO_HOOK),
 562                 OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"),
 563                         TRANSPORT_PUSH_FOLLOW_TAGS),
 564                 { OPTION_CALLBACK,
 565                   0, "signed", &push_cert, "yes|no|if-asked", N_("GPG sign the push"),
 566                   PARSE_OPT_OPTARG, option_parse_push_signed },
 567                 OPT_BIT(0, "atomic", &flags, N_("request atomic transaction on remote side"), TRANSPORT_PUSH_ATOMIC),
 568                 OPT_END()
 569         };
 570
 571         packet_trace_identity("push");
 572         git_config(git_push_config, &flags);
 573         argc = parse_options(argc, argv, prefix, options, push_usage, 0);
 574         set_push_cert_flags(&flags, push_cert);
 575
 576         if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
 577                 die(_("--delete is incompatible with --all, --mirror and --tags"));
 578         if (deleterefs && argc < 2)
 579                 die(_("--delete doesn't make sense without any refs"));
 580
 581         if (recurse_submodules == RECURSE_SUBMODULES_CHECK)
 582                 flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK;
 583         else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
 584                 flags |= TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND;
 585
 586         if (tags)
 587                 add_refspec("refs/tags/*");
 588
 589         if (argc > 0) {
 590                 repo = argv[0];
 591                 set_refspecs(argv + 1, argc - 1, repo);
 592         }
 593
 594         rc = do_push(repo, flags);
 595         if (rc == -1)
 596                 usage_with_options(push_usage, options);
 597         else
 598                 return rc;
 599 }