doc/rev-parse: clarify reflog vs --until for specifying revisions
[git/mjg.git] / builtin-push.c
blobb35aad68e9154bb755c51323106c738ab4fc61e9
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"
12 static const char * const push_usage[] = {
13 "git-push [--all | --mirror] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]",
14 NULL,
17 static int thin, verbose;
18 static const char *receivepack;
20 static const char **refspec;
21 static int refspec_nr;
23 static void add_refspec(const char *ref)
25 int nr = refspec_nr + 1;
26 refspec = xrealloc(refspec, nr * sizeof(char *));
27 refspec[nr-1] = ref;
28 refspec_nr = nr;
31 static void set_refspecs(const char **refs, int nr)
33 int i;
34 for (i = 0; i < nr; i++) {
35 const char *ref = refs[i];
36 if (!strcmp("tag", ref)) {
37 char *tag;
38 int len;
39 if (nr <= ++i)
40 die("tag shorthand without <tag>");
41 len = strlen(refs[i]) + 11;
42 tag = xmalloc(len);
43 strcpy(tag, "refs/tags/");
44 strcat(tag, refs[i]);
45 ref = tag;
47 add_refspec(ref);
51 static int do_push(const char *repo, int flags)
53 int i, errs;
54 struct remote *remote = remote_get(repo);
56 if (!remote)
57 die("bad repository '%s'", repo);
59 if (remote->mirror)
60 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
62 if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) && refspec)
63 return -1;
65 if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
66 (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
67 return error("--all and --mirror are incompatible");
70 if (!refspec
71 && !(flags & TRANSPORT_PUSH_ALL)
72 && remote->push_refspec_nr) {
73 refspec = remote->push_refspec;
74 refspec_nr = remote->push_refspec_nr;
76 errs = 0;
77 for (i = 0; i < remote->url_nr; i++) {
78 struct transport *transport =
79 transport_get(remote, remote->url[i]);
80 int err;
81 if (receivepack)
82 transport_set_option(transport,
83 TRANS_OPT_RECEIVEPACK, receivepack);
84 if (thin)
85 transport_set_option(transport, TRANS_OPT_THIN, "yes");
87 if (verbose)
88 fprintf(stderr, "Pushing to %s\n", remote->url[i]);
89 err = transport_push(transport, refspec_nr, refspec, flags);
90 err |= transport_disconnect(transport);
92 if (!err)
93 continue;
95 error("failed to push some refs to '%s'", remote->url[i]);
96 errs++;
98 return !!errs;
101 int cmd_push(int argc, const char **argv, const char *prefix)
103 int flags = 0;
104 int all = 0;
105 int mirror = 0;
106 int dry_run = 0;
107 int force = 0;
108 int tags = 0;
109 int rc;
110 const char *repo = NULL; /* default repository */
112 struct option options[] = {
113 OPT__VERBOSE(&verbose),
114 OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
115 OPT_BOOLEAN( 0 , "all", &all, "push all refs"),
116 OPT_BOOLEAN( 0 , "mirror", &mirror, "mirror all refs"),
117 OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
118 OPT_BOOLEAN( 0 , "dry-run", &dry_run, "dry run"),
119 OPT_BOOLEAN('f', "force", &force, "force updates"),
120 OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
121 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
122 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
123 OPT_END()
126 argc = parse_options(argc, argv, options, push_usage, 0);
128 if (force)
129 flags |= TRANSPORT_PUSH_FORCE;
130 if (dry_run)
131 flags |= TRANSPORT_PUSH_DRY_RUN;
132 if (verbose)
133 flags |= TRANSPORT_PUSH_VERBOSE;
134 if (tags)
135 add_refspec("refs/tags/*");
136 if (all)
137 flags |= TRANSPORT_PUSH_ALL;
138 if (mirror)
139 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
141 if (argc > 0) {
142 repo = argv[0];
143 set_refspecs(argv + 1, argc - 1);
146 rc = do_push(repo, flags);
147 if (rc == -1)
148 usage_with_options(push_usage, options);
149 else
150 return rc;