builtin-name-rev.c: split deeply nested part from the main function
[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=all] [-f | --force] [-v] [<repository> <refspec>...]",
14         NULL,
15 };
16
17 static int thin, verbose;
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                 die("bad repository '%s'", repo);
58
59         if (remote->mirror)
60                 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
61
62         if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) && refspec)
63                 return -1;
64
65         if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
66                                 (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
67                 return error("--all and --mirror are incompatible");
68         }
69
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;
75         }
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");
86
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);
91
92                 if (!err)
93                         continue;
94
95                 error("failed to push some refs to '%s'", remote->url[i]);
96                 errs++;
97         }
98         return !!errs;
99 }
100
101 int cmd_push(int argc, const char **argv, const char *prefix)
102 {
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 */
111
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()
124         };
125
126         argc = parse_options(argc, argv, options, push_usage, 0);
127
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);
140
141         if (argc > 0) {
142                 repo = argv[0];
143                 set_refspecs(argv + 1, argc - 1);
144         }
145
146         rc = do_push(repo, flags);
147         if (rc == -1)
148                 usage_with_options(push_usage, options);
149         else
150                 return rc;
151 }