t4202-log.sh: Test git log --no-walk sort order
[git/git.git] / builtin-push.c
CommitLineData
755225de
LT
1/*
2 * "git push"
3 */
4#include "cache.h"
5#include "refs.h"
6#include "run-command.h"
7#include "builtin.h"
5751f490 8#include "remote.h"
9b288516 9#include "transport.h"
378c4832 10#include "parse-options.h"
755225de 11
378c4832 12static const char * const push_usage[] = {
1965ff74 13 "git push [--all | --mirror] [--dry-run] [--porcelain] [--tags] [--receive-pack=<git-receive-pack>] [--repo=<repository>] [-f | --force] [-v] [<repository> <refspec>...]",
378c4832
DB
14 NULL,
15};
755225de 16
c29c1b40 17static int thin;
d23842fd 18static const char *receivepack;
755225de 19
96f1e58f
DR
20static const char **refspec;
21static int refspec_nr;
755225de
LT
22
23static 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
755225de
LT
31static void set_refspecs(const char **refs, int nr)
32{
8558fd9e
DB
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;
411fb8ba 46 }
8558fd9e 47 add_refspec(ref);
755225de 48 }
755225de
LT
49}
50
52153747
FAG
51static void setup_push_tracking(void)
52{
53 struct strbuf refspec = STRBUF_INIT;
54 struct branch *branch = branch_get(NULL);
55 if (!branch)
56 die("You are not currently on a branch.");
57 if (!branch->merge_nr)
58 die("The current branch %s is not tracking anything.",
59 branch->name);
60 if (branch->merge_nr != 1)
61 die("The current branch %s is tracking multiple branches, "
62 "refusing to push.", branch->name);
63 strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src);
64 add_refspec(refspec.buf);
65}
66
665d3e8f
FAG
67static const char *warn_unconfigured_push_msg[] = {
68 "You did not specify any refspecs to push, and the current remote",
69 "has not configured any push refspecs. The default action in this",
70 "case is to push all matching refspecs, that is, all branches",
71 "that exist both locally and remotely will be updated. This may",
72 "not necessarily be what you want to happen.",
73 "",
74 "You can specify what action you want to take in this case, and",
75 "avoid seeing this message again, by configuring 'push.default' to:",
b2655cda 76 " 'nothing' : Do not push anything",
665d3e8f
FAG
77 " 'matching' : Push all matching branches (default)",
78 " 'tracking' : Push the current branch to whatever it is tracking",
79 " 'current' : Push the current branch"
80};
81
82static void warn_unconfigured_push(void)
83{
84 int i;
85 for (i = 0; i < ARRAY_SIZE(warn_unconfigured_push_msg); i++)
86 warning("%s", warn_unconfigured_push_msg[i]);
87}
88
52153747
FAG
89static void setup_default_push_refspecs(void)
90{
91 git_config(git_default_config, NULL);
92 switch (push_default) {
93 case PUSH_DEFAULT_UNSPECIFIED:
665d3e8f 94 warn_unconfigured_push();
52153747
FAG
95 /* fallthrough */
96
97 case PUSH_DEFAULT_MATCHING:
98 add_refspec(":");
99 break;
100
101 case PUSH_DEFAULT_TRACKING:
102 setup_push_tracking();
103 break;
104
105 case PUSH_DEFAULT_CURRENT:
106 add_refspec("HEAD");
107 break;
108
109 case PUSH_DEFAULT_NOTHING:
110 die("You didn't specify any refspecs to push, and "
111 "push.default is \"nothing\".");
112 break;
113 }
114}
115
9b288516 116static int do_push(const char *repo, int flags)
755225de 117{
5751f490 118 int i, errs;
5751f490 119 struct remote *remote = remote_get(repo);
20346234
MG
120 const char **url;
121 int url_nr;
755225de 122
fa685bdf
DB
123 if (!remote) {
124 if (repo)
125 die("bad repository '%s'", repo);
126 die("No destination configured to push to.");
127 }
755225de 128
84bb2dfd
PB
129 if (remote->mirror)
130 flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
131
b259f09b
MZ
132 if ((flags & TRANSPORT_PUSH_ALL) && refspec) {
133 if (!strcmp(*refspec, "refs/tags/*"))
134 return error("--all and --tags are incompatible");
135 return error("--all can't be combined with refspecs");
136 }
137
138 if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) {
139 if (!strcmp(*refspec, "refs/tags/*"))
140 return error("--mirror and --tags are incompatible");
141 return error("--mirror can't be combined with refspecs");
142 }
84bb2dfd
PB
143
144 if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
145 (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
146 return error("--all and --mirror are incompatible");
147 }
148
52153747
FAG
149 if (!refspec && !(flags & TRANSPORT_PUSH_ALL)) {
150 if (remote->push_refspec_nr) {
151 refspec = remote->push_refspec;
152 refspec_nr = remote->push_refspec_nr;
153 } else if (!(flags & TRANSPORT_PUSH_MIRROR))
154 setup_default_push_refspecs();
5751f490 155 }
fd1d1b05 156 errs = 0;
20346234
MG
157 if (remote->pushurl_nr) {
158 url = remote->pushurl;
159 url_nr = remote->pushurl_nr;
160 } else {
161 url = remote->url;
162 url_nr = remote->url_nr;
163 }
164 for (i = 0; i < url_nr; i++) {
9b288516 165 struct transport *transport =
20346234 166 transport_get(remote, url[i]);
60b7f38e 167 int err;
9b288516
DB
168 if (receivepack)
169 transport_set_option(transport,
170 TRANS_OPT_RECEIVEPACK, receivepack);
171 if (thin)
172 transport_set_option(transport, TRANS_OPT_THIN, "yes");
173
c29c1b40 174 if (flags & TRANSPORT_PUSH_VERBOSE)
20346234 175 fprintf(stderr, "Pushing to %s\n", url[i]);
9b288516
DB
176 err = transport_push(transport, refspec_nr, refspec, flags);
177 err |= transport_disconnect(transport);
178
60b7f38e 179 if (!err)
755225de 180 continue;
39878b0c 181
20346234 182 error("failed to push some refs to '%s'", url[i]);
fd1d1b05 183 errs++;
755225de 184 }
fd1d1b05 185 return !!errs;
755225de
LT
186}
187
a633fca0 188int cmd_push(int argc, const char **argv, const char *prefix)
755225de 189{
9b288516 190 int flags = 0;
378c4832 191 int tags = 0;
84bb2dfd 192 int rc;
5751f490 193 const char *repo = NULL; /* default repository */
755225de 194
378c4832 195 struct option options[] = {
c29c1b40 196 OPT_BIT('v', "verbose", &flags, "be verbose", TRANSPORT_PUSH_VERBOSE),
378c4832 197 OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
c29c1b40
MB
198 OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL),
199 OPT_BIT( 0 , "mirror", &flags, "mirror all refs",
200 (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
378c4832 201 OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
c29c1b40 202 OPT_BIT( 0 , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN),
1965ff74 203 OPT_BIT( 0, "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN),
c29c1b40 204 OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE),
378c4832
DB
205 OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
206 OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),
207 OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"),
208 OPT_END()
209 };
755225de 210
37782920 211 argc = parse_options(argc, argv, prefix, options, push_usage, 0);
378c4832 212
378c4832
DB
213 if (tags)
214 add_refspec("refs/tags/*");
378c4832
DB
215
216 if (argc > 0) {
217 repo = argv[0];
218 set_refspecs(argv + 1, argc - 1);
755225de 219 }
8558fd9e 220
84bb2dfd
PB
221 rc = do_push(repo, flags);
222 if (rc == -1)
94c89ba6 223 usage_with_options(push_usage, options);
84bb2dfd
PB
224 else
225 return rc;
755225de 226}