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Commit | Line | Data |
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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 | 12 | static const char * const push_usage[] = { |
e3163c75 | 13 | "git push [<options>] [<repository> [<refspec>...]]", |
378c4832 DB |
14 | NULL, |
15 | }; | |
755225de | 16 | |
c29c1b40 | 17 | static int thin; |
f517f1f2 | 18 | static int deleterefs; |
d23842fd | 19 | static const char *receivepack; |
755225de | 20 | |
96f1e58f DR |
21 | static const char **refspec; |
22 | static int refspec_nr; | |
755225de LT |
23 | |
24 | static void add_refspec(const char *ref) | |
25 | { | |
26 | int nr = refspec_nr + 1; | |
27 | refspec = xrealloc(refspec, nr * sizeof(char *)); | |
28 | refspec[nr-1] = ref; | |
29 | refspec_nr = nr; | |
30 | } | |
31 | ||
755225de LT |
32 | static void set_refspecs(const char **refs, int nr) |
33 | { | |
8558fd9e DB |
34 | int i; |
35 | for (i = 0; i < nr; i++) { | |
36 | const char *ref = refs[i]; | |
37 | if (!strcmp("tag", ref)) { | |
38 | char *tag; | |
39 | int len; | |
40 | if (nr <= ++i) | |
41 | die("tag shorthand without <tag>"); | |
42 | len = strlen(refs[i]) + 11; | |
f517f1f2 JK |
43 | if (deleterefs) { |
44 | tag = xmalloc(len+1); | |
45 | strcpy(tag, ":refs/tags/"); | |
46 | } else { | |
47 | tag = xmalloc(len); | |
48 | strcpy(tag, "refs/tags/"); | |
49 | } | |
8558fd9e DB |
50 | strcat(tag, refs[i]); |
51 | ref = tag; | |
f517f1f2 JK |
52 | } else if (deleterefs && !strchr(ref, ':')) { |
53 | char *delref; | |
54 | int len = strlen(ref)+1; | |
7b48c170 | 55 | delref = xmalloc(len+1); |
f517f1f2 JK |
56 | strcpy(delref, ":"); |
57 | strcat(delref, ref); | |
58 | ref = delref; | |
59 | } else if (deleterefs) | |
60 | die("--delete only accepts plain target ref names"); | |
8558fd9e | 61 | add_refspec(ref); |
755225de | 62 | } |
755225de LT |
63 | } |
64 | ||
52153747 FAG |
65 | static void setup_push_tracking(void) |
66 | { | |
67 | struct strbuf refspec = STRBUF_INIT; | |
68 | struct branch *branch = branch_get(NULL); | |
69 | if (!branch) | |
70 | die("You are not currently on a branch."); | |
db03b557 | 71 | if (!branch->merge_nr || !branch->merge) |
52153747 FAG |
72 | die("The current branch %s is not tracking anything.", |
73 | branch->name); | |
74 | if (branch->merge_nr != 1) | |
75 | die("The current branch %s is tracking multiple branches, " | |
76 | "refusing to push.", branch->name); | |
77 | strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src); | |
78 | add_refspec(refspec.buf); | |
79 | } | |
80 | ||
81 | static void setup_default_push_refspecs(void) | |
82 | { | |
52153747 | 83 | switch (push_default) { |
bba0fd22 | 84 | default: |
52153747 FAG |
85 | case PUSH_DEFAULT_MATCHING: |
86 | add_refspec(":"); | |
87 | break; | |
88 | ||
89 | case PUSH_DEFAULT_TRACKING: | |
90 | setup_push_tracking(); | |
91 | break; | |
92 | ||
93 | case PUSH_DEFAULT_CURRENT: | |
94 | add_refspec("HEAD"); | |
95 | break; | |
96 | ||
97 | case PUSH_DEFAULT_NOTHING: | |
98 | die("You didn't specify any refspecs to push, and " | |
99 | "push.default is \"nothing\"."); | |
100 | break; | |
101 | } | |
102 | } | |
103 | ||
fb0cc87e DB |
104 | static int push_with_options(struct transport *transport, int flags) |
105 | { | |
106 | int err; | |
107 | int nonfastforward; | |
108 | if (receivepack) | |
109 | transport_set_option(transport, | |
110 | TRANS_OPT_RECEIVEPACK, receivepack); | |
111 | if (thin) | |
112 | transport_set_option(transport, TRANS_OPT_THIN, "yes"); | |
113 | ||
114 | if (flags & TRANSPORT_PUSH_VERBOSE) | |
115 | fprintf(stderr, "Pushing to %s\n", transport->url); | |
116 | err = transport_push(transport, refspec_nr, refspec, flags, | |
117 | &nonfastforward); | |
53970b92 TRC |
118 | if (err != 0) |
119 | error("failed to push some refs to '%s'", transport->url); | |
120 | ||
fb0cc87e DB |
121 | err |= transport_disconnect(transport); |
122 | ||
123 | if (!err) | |
124 | return 0; | |
125 | ||
fb0cc87e DB |
126 | if (nonfastforward && advice_push_nonfastforward) { |
127 | printf("To prevent you from losing history, non-fast-forward updates were rejected\n" | |
c0eb6043 MM |
128 | "Merge the remote changes before pushing again. See the 'Note about\n" |
129 | "fast-forwards' section of 'git push --help' for details.\n"); | |
fb0cc87e DB |
130 | } |
131 | ||
132 | return 1; | |
133 | } | |
134 | ||
9b288516 | 135 | static int do_push(const char *repo, int flags) |
755225de | 136 | { |
5751f490 | 137 | int i, errs; |
5751f490 | 138 | struct remote *remote = remote_get(repo); |
20346234 MG |
139 | const char **url; |
140 | int url_nr; | |
755225de | 141 | |
fa685bdf DB |
142 | if (!remote) { |
143 | if (repo) | |
144 | die("bad repository '%s'", repo); | |
145 | die("No destination configured to push to."); | |
146 | } | |
755225de | 147 | |
84bb2dfd PB |
148 | if (remote->mirror) |
149 | flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE); | |
150 | ||
b259f09b MZ |
151 | if ((flags & TRANSPORT_PUSH_ALL) && refspec) { |
152 | if (!strcmp(*refspec, "refs/tags/*")) | |
153 | return error("--all and --tags are incompatible"); | |
154 | return error("--all can't be combined with refspecs"); | |
155 | } | |
156 | ||
157 | if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) { | |
158 | if (!strcmp(*refspec, "refs/tags/*")) | |
159 | return error("--mirror and --tags are incompatible"); | |
160 | return error("--mirror can't be combined with refspecs"); | |
161 | } | |
84bb2dfd PB |
162 | |
163 | if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) == | |
164 | (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) { | |
165 | return error("--all and --mirror are incompatible"); | |
166 | } | |
167 | ||
52153747 FAG |
168 | if (!refspec && !(flags & TRANSPORT_PUSH_ALL)) { |
169 | if (remote->push_refspec_nr) { | |
170 | refspec = remote->push_refspec; | |
171 | refspec_nr = remote->push_refspec_nr; | |
172 | } else if (!(flags & TRANSPORT_PUSH_MIRROR)) | |
173 | setup_default_push_refspecs(); | |
5751f490 | 174 | } |
fd1d1b05 | 175 | errs = 0; |
20346234 MG |
176 | if (remote->pushurl_nr) { |
177 | url = remote->pushurl; | |
178 | url_nr = remote->pushurl_nr; | |
179 | } else { | |
180 | url = remote->url; | |
181 | url_nr = remote->url_nr; | |
182 | } | |
fb0cc87e DB |
183 | if (url_nr) { |
184 | for (i = 0; i < url_nr; i++) { | |
185 | struct transport *transport = | |
186 | transport_get(remote, url[i]); | |
187 | if (push_with_options(transport, flags)) | |
188 | errs++; | |
07436e43 | 189 | } |
fb0cc87e DB |
190 | } else { |
191 | struct transport *transport = | |
192 | transport_get(remote, NULL); | |
193 | ||
194 | if (push_with_options(transport, flags)) | |
195 | errs++; | |
755225de | 196 | } |
fd1d1b05 | 197 | return !!errs; |
755225de LT |
198 | } |
199 | ||
a633fca0 | 200 | int cmd_push(int argc, const char **argv, const char *prefix) |
755225de | 201 | { |
9b288516 | 202 | int flags = 0; |
378c4832 | 203 | int tags = 0; |
84bb2dfd | 204 | int rc; |
5751f490 | 205 | const char *repo = NULL; /* default repository */ |
378c4832 | 206 | struct option options[] = { |
afdeeb00 | 207 | OPT_BIT('q', "quiet", &flags, "be quiet", TRANSPORT_PUSH_QUIET), |
c29c1b40 | 208 | OPT_BIT('v', "verbose", &flags, "be verbose", TRANSPORT_PUSH_VERBOSE), |
378c4832 | 209 | OPT_STRING( 0 , "repo", &repo, "repository", "repository"), |
c29c1b40 MB |
210 | OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL), |
211 | OPT_BIT( 0 , "mirror", &flags, "mirror all refs", | |
212 | (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)), | |
f517f1f2 | 213 | OPT_BOOLEAN( 0, "delete", &deleterefs, "delete refs"), |
f740cc25 | 214 | OPT_BOOLEAN( 0 , "tags", &tags, "push tags (can't be used with --all or --mirror)"), |
9f67fee2 | 215 | OPT_BIT('n' , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN), |
1965ff74 | 216 | OPT_BIT( 0, "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN), |
c29c1b40 | 217 | OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE), |
378c4832 DB |
218 | OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"), |
219 | OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"), | |
220 | OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"), | |
e9fcd1e2 IL |
221 | OPT_BIT('u', "set-upstream", &flags, "set upstream for git pull/status", |
222 | TRANSPORT_PUSH_SET_UPSTREAM), | |
378c4832 DB |
223 | OPT_END() |
224 | }; | |
755225de | 225 | |
2aae905f | 226 | git_config(git_default_config, NULL); |
37782920 | 227 | argc = parse_options(argc, argv, prefix, options, push_usage, 0); |
378c4832 | 228 | |
f517f1f2 JK |
229 | if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR)))) |
230 | die("--delete is incompatible with --all, --mirror and --tags"); | |
231 | if (deleterefs && argc < 2) | |
232 | die("--delete doesn't make sense without any refs"); | |
233 | ||
378c4832 DB |
234 | if (tags) |
235 | add_refspec("refs/tags/*"); | |
378c4832 DB |
236 | |
237 | if (argc > 0) { | |
238 | repo = argv[0]; | |
239 | set_refspecs(argv + 1, argc - 1); | |
755225de | 240 | } |
8558fd9e | 241 | |
84bb2dfd PB |
242 | rc = do_push(repo, flags); |
243 | if (rc == -1) | |
94c89ba6 | 244 | usage_with_options(push_usage, options); |
84bb2dfd PB |
245 | else |
246 | return rc; | |
755225de | 247 | } |