Fix potentially dangerous uses of mkpath and git_path
[git/jnareb-git.git] / builtin-push.c
blob122fdcfbdc13a11388a091e5ec33d077648fab0a
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=<repository>] [-f | --force] [-v] [<repository> <refspec>...]",
14 NULL,
17 static int thin;
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) && refspec) {
63 if (!strcmp(*refspec, "refs/tags/*"))
64 return error("--all and --tags are incompatible");
65 return error("--all can't be combined with refspecs");
68 if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) {
69 if (!strcmp(*refspec, "refs/tags/*"))
70 return error("--mirror and --tags are incompatible");
71 return error("--mirror can't be combined with refspecs");
74 if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
75 (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
76 return error("--all and --mirror are incompatible");
79 if (!refspec
80 && !(flags & TRANSPORT_PUSH_ALL)
81 && remote->push_refspec_nr) {
82 refspec = remote->push_refspec;
83 refspec_nr = remote->push_refspec_nr;
85 errs = 0;
86 for (i = 0; i < remote->url_nr; i++) {
87 struct transport *transport =
88 transport_get(remote, remote->url[i]);
89 int err;
90 if (receivepack)
91 transport_set_option(transport,
92 TRANS_OPT_RECEIVEPACK, receivepack);
93 if (thin)
94 transport_set_option(transport, TRANS_OPT_THIN, "yes");
96 if (flags & TRANSPORT_PUSH_VERBOSE)
97 fprintf(stderr, "Pushing to %s\n", remote->url[i]);
98 err = transport_push(transport, refspec_nr, refspec, flags);
99 err |= transport_disconnect(transport);
101 if (!err)
102 continue;
104 error("failed to push some refs to '%s'", remote->url[i]);
105 errs++;
107 return !!errs;
110 int cmd_push(int argc, const char **argv, const char *prefix)
112 int flags = 0;
113 int tags = 0;
114 int rc;
115 const char *repo = NULL; /* default repository */
117 struct option options[] = {
118 OPT_BIT('v', "verbose", &flags, "be verbose", TRANSPORT_PUSH_VERBOSE),
119 OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
120 OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL),
121 OPT_BIT( 0 , "mirror", &flags, "mirror all refs",
122 (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
123 OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
124 OPT_BIT( 0 , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN),
125 OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE),
126 OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
127 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
128 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
129 OPT_END()
132 argc = parse_options(argc, argv, options, push_usage, 0);
134 if (tags)
135 add_refspec("refs/tags/*");
137 if (argc > 0) {
138 repo = argv[0];
139 set_refspecs(argv + 1, argc - 1);
142 rc = do_push(repo, flags);
143 if (rc == -1)
144 usage_with_options(push_usage, options);
145 else
146 return rc;