/* * "git push" */ #include "cache.h" #include "refs.h" #include "run-command.h" #include "builtin.h" #include "remote.h" #include "transport.h" #include "parse-options.h" static const char * const push_usage[] = { "git push [<options>] [<repository> [<refspec>...]]", NULL, }; static int thin; static int deleterefs; static const char *receivepack; static int verbosity; static int progress; static const char **refspec; static int refspec_nr; static int refspec_alloc; static void add_refspec(const char *ref) { refspec_nr++; ALLOC_GROW(refspec, refspec_nr, refspec_alloc); refspec[refspec_nr-1] = ref; } static void set_refspecs(const char **refs, int nr) { int i; for (i = 0; i < nr; i++) { const char *ref = refs[i]; if (!strcmp("tag", ref)) { char *tag; int len; if (nr <= ++i) die("tag shorthand without <tag>"); len = strlen(refs[i]) + 11; if (deleterefs) { tag = xmalloc(len+1); strcpy(tag, ":refs/tags/"); } else { tag = xmalloc(len); strcpy(tag, "refs/tags/"); } strcat(tag, refs[i]); ref = tag; } else if (deleterefs && !strchr(ref, ':')) { char *delref; int len = strlen(ref)+1; delref = xmalloc(len+1); strcpy(delref, ":"); strcat(delref, ref); ref = delref; } else if (deleterefs) die("--delete only accepts plain target ref names"); add_refspec(ref); } } static void setup_push_tracking(void) { struct strbuf refspec = STRBUF_INIT; struct branch *branch = branch_get(NULL); if (!branch) die("You are not currently on a branch."); if (!branch->merge_nr || !branch->merge) die("The current branch %s is not tracking anything.", branch->name); if (branch->merge_nr != 1) die("The current branch %s is tracking multiple branches, " "refusing to push.", branch->name); strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src); add_refspec(refspec.buf); } static void setup_default_push_refspecs(void) { switch (push_default) { default: case PUSH_DEFAULT_MATCHING: add_refspec(":"); break; case PUSH_DEFAULT_TRACKING: setup_push_tracking(); break; case PUSH_DEFAULT_CURRENT: add_refspec("HEAD"); break; case PUSH_DEFAULT_NOTHING: die("You didn't specify any refspecs to push, and " "push.default is \"nothing\"."); break; } } static int push_with_options(struct transport *transport, int flags) { int err; int nonfastforward; transport_set_verbosity(transport, verbosity, progress); if (receivepack) transport_set_option(transport, TRANS_OPT_RECEIVEPACK, receivepack); if (thin) transport_set_option(transport, TRANS_OPT_THIN, "yes"); if (verbosity > 0) fprintf(stderr, "Pushing to %s\n", transport->url); err = transport_push(transport, refspec_nr, refspec, flags, &nonfastforward); if (err != 0) error("failed to push some refs to '%s'", transport->url); err |= transport_disconnect(transport); if (!err) return 0; if (nonfastforward && advice_push_nonfastforward) { fprintf(stderr, "To prevent you from losing history, non-fast-forward updates were rejected\n" "Merge the remote changes (e.g. 'git pull') before pushing again. See the\n" "'Note about fast-forwards' section of 'git push --help' for details.\n"); } return 1; } static int do_push(const char *repo, int flags) { int i, errs; struct remote *remote = remote_get(repo); const char **url; int url_nr; if (!remote) { if (repo) die("bad repository '%s'", repo); die("No destination configured to push to."); } if (remote->mirror) flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE); if ((flags & TRANSPORT_PUSH_ALL) && refspec) { if (!strcmp(*refspec, "refs/tags/*")) return error("--all and --tags are incompatible"); return error("--all can't be combined with refspecs"); } if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) { if (!strcmp(*refspec, "refs/tags/*")) return error("--mirror and --tags are incompatible"); return error("--mirror can't be combined with refspecs"); } if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) == (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) { return error("--all and --mirror are incompatible"); } if (!refspec && !(flags & TRANSPORT_PUSH_ALL)) { if (remote->push_refspec_nr) { refspec = remote->push_refspec; refspec_nr = remote->push_refspec_nr; } else if (!(flags & TRANSPORT_PUSH_MIRROR)) setup_default_push_refspecs(); } errs = 0; if (remote->pushurl_nr) { url = remote->pushurl; url_nr = remote->pushurl_nr; } else { url = remote->url; url_nr = remote->url_nr; } if (url_nr) { for (i = 0; i < url_nr; i++) { struct transport *transport = transport_get(remote, url[i]); if (push_with_options(transport, flags)) errs++; } } else { struct transport *transport = transport_get(remote, NULL); if (push_with_options(transport, flags)) errs++; } return !!errs; } int cmd_push(int argc, const char **argv, const char *prefix) { int flags = 0; int tags = 0; int rc; const char *repo = NULL; /* default repository */ struct option options[] = { OPT__VERBOSITY(&verbosity), OPT_STRING( 0 , "repo", &repo, "repository", "repository"), OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL), OPT_BIT( 0 , "mirror", &flags, "mirror all refs", (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)), OPT_BOOLEAN( 0, "delete", &deleterefs, "delete refs"), OPT_BOOLEAN( 0 , "tags", &tags, "push tags (can't be used with --all or --mirror)"), OPT_BIT('n' , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN), OPT_BIT( 0, "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN), OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE), OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"), OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"), OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"), OPT_BIT('u', "set-upstream", &flags, "set upstream for git pull/status", TRANSPORT_PUSH_SET_UPSTREAM), OPT_BOOLEAN(0, "progress", &progress, "force progress reporting"), OPT_END() }; git_config(git_default_config, NULL); argc = parse_options(argc, argv, prefix, options, push_usage, 0); if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR)))) die("--delete is incompatible with --all, --mirror and --tags"); if (deleterefs && argc < 2) die("--delete doesn't make sense without any refs"); if (tags) add_refspec("refs/tags/*"); if (argc > 0) { repo = argv[0]; set_refspecs(argv + 1, argc - 1); } rc = do_push(repo, flags); if (rc == -1) usage_with_options(push_usage, options); else return rc; }