Merge branch 'xx/db-refspec-vs-js-remote'
[git] / 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
12 static const char * const push_usage[] = {
13         "git push [--all | --mirror] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] [--repo=<repository>] [-f | --force] [-v] [<repository> <refspec>...]",
14         NULL,
15 };
16
17 static int thin;
18 static const char *receivepack;
19
20 static const char **refspec;
21 static int refspec_nr;
22
23 static void add_refspec(const char *ref)
24 {
25         int nr = refspec_nr + 1;
26         refspec = xrealloc(refspec, nr * sizeof(char *));
27         refspec[nr-1] = ref;
28         refspec_nr = nr;
29 }
30
31 static void set_refspecs(const char **refs, int nr)
32 {
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                 add_refspec(ref);
48         }
49 }
50
51 static int do_push(const char *repo, int flags)
52 {
53         int i, errs;
54         struct remote *remote = remote_get(repo);
55
56         if (!remote) {
57                 if (repo)
58                         die("bad repository '%s'", repo);
59                 die("No destination configured to push to.");
60         }
61
62         if (remote->mirror)
63                 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
64
65         if ((flags & TRANSPORT_PUSH_ALL) && refspec) {
66                 if (!strcmp(*refspec, "refs/tags/*"))
67                         return error("--all and --tags are incompatible");
68                 return error("--all can't be combined with refspecs");
69         }
70
71         if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) {
72                 if (!strcmp(*refspec, "refs/tags/*"))
73                         return error("--mirror and --tags are incompatible");
74                 return error("--mirror can't be combined with refspecs");
75         }
76
77         if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
78                                 (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
79                 return error("--all and --mirror are incompatible");
80         }
81
82         if (!refspec
83                 && !(flags & TRANSPORT_PUSH_ALL)
84                 && remote->push_refspec_nr) {
85                 refspec = remote->push_refspec;
86                 refspec_nr = remote->push_refspec_nr;
87         }
88         errs = 0;
89         for (i = 0; i < remote->url_nr; i++) {
90                 struct transport *transport =
91                         transport_get(remote, remote->url[i]);
92                 int err;
93                 if (receivepack)
94                         transport_set_option(transport,
95                                              TRANS_OPT_RECEIVEPACK, receivepack);
96                 if (thin)
97                         transport_set_option(transport, TRANS_OPT_THIN, "yes");
98
99                 if (flags & TRANSPORT_PUSH_VERBOSE)
100                         fprintf(stderr, "Pushing to %s\n", remote->url[i]);
101                 err = transport_push(transport, refspec_nr, refspec, flags);
102                 err |= transport_disconnect(transport);
103
104                 if (!err)
105                         continue;
106
107                 error("failed to push some refs to '%s'", remote->url[i]);
108                 errs++;
109         }
110         return !!errs;
111 }
112
113 int cmd_push(int argc, const char **argv, const char *prefix)
114 {
115         int flags = 0;
116         int tags = 0;
117         int rc;
118         const char *repo = NULL;        /* default repository */
119
120         struct option options[] = {
121                 OPT_BIT('v', "verbose", &flags, "be verbose", TRANSPORT_PUSH_VERBOSE),
122                 OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
123                 OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL),
124                 OPT_BIT( 0 , "mirror", &flags, "mirror all refs",
125                             (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
126                 OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
127                 OPT_BIT( 0 , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN),
128                 OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE),
129                 OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
130                 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
131                 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
132                 OPT_END()
133         };
134
135         argc = parse_options(argc, argv, options, push_usage, 0);
136
137         if (tags)
138                 add_refspec("refs/tags/*");
139
140         if (argc > 0) {
141                 repo = argv[0];
142                 set_refspecs(argv + 1, argc - 1);
143         }
144
145         rc = do_push(repo, flags);
146         if (rc == -1)
147                 usage_with_options(push_usage, options);
148         else
149                 return rc;
150 }