Build-in merge-recursive
[git/dscho.git] / builtin-push.c
blobc8cb63e23840915ecd7445d1fe4a18f9c6cb694d
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;
46                 }
47                 if (!strcmp("HEAD", ref)) {
48                         unsigned char sha1_dummy[20];
49                         ref = resolve_ref(ref, sha1_dummy, 1, NULL);
50                         if (!ref)
51                                 die("HEAD cannot be resolved.");
52                         if (prefixcmp(ref, "refs/heads/"))
53                                 die("HEAD cannot be resolved to branch.");
54                         ref = xstrdup(ref + 11);
55                 }
56                 add_refspec(ref);
57         }
60 static int do_push(const char *repo, int flags)
62         int i, errs;
63         struct remote *remote = remote_get(repo);
65         if (!remote)
66                 die("bad repository '%s'", repo);
68         if (!refspec
69                 && !(flags & TRANSPORT_PUSH_ALL)
70                 && remote->push_refspec_nr) {
71                 refspec = remote->push_refspec;
72                 refspec_nr = remote->push_refspec_nr;
73         }
74         errs = 0;
75         for (i = 0; i < remote->url_nr; i++) {
76                 struct transport *transport =
77                         transport_get(remote, remote->url[i]);
78                 int err;
79                 if (receivepack)
80                         transport_set_option(transport,
81                                              TRANS_OPT_RECEIVEPACK, receivepack);
82                 if (thin)
83                         transport_set_option(transport, TRANS_OPT_THIN, "yes");
85                 if (verbose)
86                         fprintf(stderr, "Pushing to %s\n", remote->url[i]);
87                 err = transport_push(transport, refspec_nr, refspec, flags);
88                 err |= transport_disconnect(transport);
90                 if (!err)
91                         continue;
93                 error("failed to push to '%s'", remote->url[i]);
94                 errs++;
95         }
96         return !!errs;
99 int cmd_push(int argc, const char **argv, const char *prefix)
101         int flags = 0;
102         int all = 0;
103         int mirror = 0;
104         int dry_run = 0;
105         int force = 0;
106         int tags = 0;
107         const char *repo = NULL;        /* default repository */
109         struct option options[] = {
110                 OPT__VERBOSE(&verbose),
111                 OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
112                 OPT_BOOLEAN( 0 , "all", &all, "push all refs"),
113                 OPT_BOOLEAN( 0 , "mirror", &mirror, "mirror all refs"),
114                 OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
115                 OPT_BOOLEAN( 0 , "dry-run", &dry_run, "dry run"),
116                 OPT_BOOLEAN('f', "force", &force, "force updates"),
117                 OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
118                 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
119                 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
120                 OPT_END()
121         };
123         argc = parse_options(argc, argv, options, push_usage, 0);
125         if (force)
126                 flags |= TRANSPORT_PUSH_FORCE;
127         if (dry_run)
128                 flags |= TRANSPORT_PUSH_DRY_RUN;
129         if (verbose)
130                 flags |= TRANSPORT_PUSH_VERBOSE;
131         if (tags)
132                 add_refspec("refs/tags/*");
133         if (all)
134                 flags |= TRANSPORT_PUSH_ALL;
135         if (mirror)
136                 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
138         if (argc > 0) {
139                 repo = argv[0];
140                 set_refspecs(argv + 1, argc - 1);
141         }
142         if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) && refspec)
143                 usage_with_options(push_usage, options);
145         if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
146                                 (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
147                 error("--all and --mirror are incompatible");
148                 usage_with_options(push_usage, options);
149         }
151         return do_push(repo, flags);