templates/hooks: fix minor typo in the sample update-hook
[git] / builtin / send-pack.c
1 #include "builtin.h"
2 #include "commit.h"
3 #include "refs.h"
4 #include "pkt-line.h"
5 #include "sideband.h"
6 #include "run-command.h"
7 #include "remote.h"
8 #include "connect.h"
9 #include "send-pack.h"
10 #include "quote.h"
11 #include "transport.h"
12 #include "version.h"
13 #include "sha1-array.h"
14
15 static const char send_pack_usage[] =
16 "git send-pack [--all | --mirror] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [--atomic] [<host>:]<directory> [<ref>...]\n"
17 "  --all and explicit <ref> specification are mutually exclusive.";
18
19 static struct send_pack_args args;
20
21 static void print_helper_status(struct ref *ref)
22 {
23         struct strbuf buf = STRBUF_INIT;
24
25         for (; ref; ref = ref->next) {
26                 const char *msg = NULL;
27                 const char *res;
28
29                 switch(ref->status) {
30                 case REF_STATUS_NONE:
31                         res = "error";
32                         msg = "no match";
33                         break;
34
35                 case REF_STATUS_OK:
36                         res = "ok";
37                         break;
38
39                 case REF_STATUS_UPTODATE:
40                         res = "ok";
41                         msg = "up to date";
42                         break;
43
44                 case REF_STATUS_REJECT_NONFASTFORWARD:
45                         res = "error";
46                         msg = "non-fast forward";
47                         break;
48
49                 case REF_STATUS_REJECT_FETCH_FIRST:
50                         res = "error";
51                         msg = "fetch first";
52                         break;
53
54                 case REF_STATUS_REJECT_NEEDS_FORCE:
55                         res = "error";
56                         msg = "needs force";
57                         break;
58
59                 case REF_STATUS_REJECT_STALE:
60                         res = "error";
61                         msg = "stale info";
62                         break;
63
64                 case REF_STATUS_REJECT_ALREADY_EXISTS:
65                         res = "error";
66                         msg = "already exists";
67                         break;
68
69                 case REF_STATUS_REJECT_NODELETE:
70                 case REF_STATUS_REMOTE_REJECT:
71                         res = "error";
72                         break;
73
74                 case REF_STATUS_EXPECTING_REPORT:
75                 default:
76                         continue;
77                 }
78
79                 strbuf_reset(&buf);
80                 strbuf_addf(&buf, "%s %s", res, ref->name);
81                 if (ref->remote_status)
82                         msg = ref->remote_status;
83                 if (msg) {
84                         strbuf_addch(&buf, ' ');
85                         quote_two_c_style(&buf, "", msg, 0);
86                 }
87                 strbuf_addch(&buf, '\n');
88
89                 write_or_die(1, buf.buf, buf.len);
90         }
91         strbuf_release(&buf);
92 }
93
94 int cmd_send_pack(int argc, const char **argv, const char *prefix)
95 {
96         int i, nr_refspecs = 0;
97         const char **refspecs = NULL;
98         const char *remote_name = NULL;
99         struct remote *remote = NULL;
100         const char *dest = NULL;
101         int fd[2];
102         struct child_process *conn;
103         struct sha1_array extra_have = SHA1_ARRAY_INIT;
104         struct sha1_array shallow = SHA1_ARRAY_INIT;
105         struct ref *remote_refs, *local_refs;
106         int ret;
107         int helper_status = 0;
108         int send_all = 0;
109         const char *receivepack = "git-receive-pack";
110         int flags;
111         unsigned int reject_reasons;
112         int progress = -1;
113         int from_stdin = 0;
114         struct push_cas_option cas = {0};
115
116         argv++;
117         for (i = 1; i < argc; i++, argv++) {
118                 const char *arg = *argv;
119
120                 if (*arg == '-') {
121                         if (starts_with(arg, "--receive-pack=")) {
122                                 receivepack = arg + 15;
123                                 continue;
124                         }
125                         if (starts_with(arg, "--exec=")) {
126                                 receivepack = arg + 7;
127                                 continue;
128                         }
129                         if (starts_with(arg, "--remote=")) {
130                                 remote_name = arg + 9;
131                                 continue;
132                         }
133                         if (!strcmp(arg, "--all")) {
134                                 send_all = 1;
135                                 continue;
136                         }
137                         if (!strcmp(arg, "--dry-run")) {
138                                 args.dry_run = 1;
139                                 continue;
140                         }
141                         if (!strcmp(arg, "--mirror")) {
142                                 args.send_mirror = 1;
143                                 continue;
144                         }
145                         if (!strcmp(arg, "--force")) {
146                                 args.force_update = 1;
147                                 continue;
148                         }
149                         if (!strcmp(arg, "--quiet")) {
150                                 args.quiet = 1;
151                                 continue;
152                         }
153                         if (!strcmp(arg, "--verbose")) {
154                                 args.verbose = 1;
155                                 continue;
156                         }
157                         if (!strcmp(arg, "--signed")) {
158                                 args.push_cert = 1;
159                                 continue;
160                         }
161                         if (!strcmp(arg, "--progress")) {
162                                 progress = 1;
163                                 continue;
164                         }
165                         if (!strcmp(arg, "--no-progress")) {
166                                 progress = 0;
167                                 continue;
168                         }
169                         if (!strcmp(arg, "--thin")) {
170                                 args.use_thin_pack = 1;
171                                 continue;
172                         }
173                         if (!strcmp(arg, "--atomic")) {
174                                 args.atomic = 1;
175                                 continue;
176                         }
177                         if (!strcmp(arg, "--stateless-rpc")) {
178                                 args.stateless_rpc = 1;
179                                 continue;
180                         }
181                         if (!strcmp(arg, "--stdin")) {
182                                 from_stdin = 1;
183                                 continue;
184                         }
185                         if (!strcmp(arg, "--helper-status")) {
186                                 helper_status = 1;
187                                 continue;
188                         }
189                         if (!strcmp(arg, "--" CAS_OPT_NAME)) {
190                                 if (parse_push_cas_option(&cas, NULL, 0) < 0)
191                                         exit(1);
192                                 continue;
193                         }
194                         if (!strcmp(arg, "--no-" CAS_OPT_NAME)) {
195                                 if (parse_push_cas_option(&cas, NULL, 1) < 0)
196                                         exit(1);
197                                 continue;
198                         }
199                         if (starts_with(arg, "--" CAS_OPT_NAME "=")) {
200                                 if (parse_push_cas_option(&cas,
201                                                           strchr(arg, '=') + 1, 0) < 0)
202                                         exit(1);
203                                 continue;
204                         }
205                         usage(send_pack_usage);
206                 }
207                 if (!dest) {
208                         dest = arg;
209                         continue;
210                 }
211                 refspecs = (const char **) argv;
212                 nr_refspecs = argc - i;
213                 break;
214         }
215         if (!dest)
216                 usage(send_pack_usage);
217
218         if (from_stdin) {
219                 struct argv_array all_refspecs = ARGV_ARRAY_INIT;
220
221                 for (i = 0; i < nr_refspecs; i++)
222                         argv_array_push(&all_refspecs, refspecs[i]);
223
224                 if (args.stateless_rpc) {
225                         const char *buf;
226                         while ((buf = packet_read_line(0, NULL)))
227                                 argv_array_push(&all_refspecs, buf);
228                 } else {
229                         struct strbuf line = STRBUF_INIT;
230                         while (strbuf_getline(&line, stdin, '\n') != EOF)
231                                 argv_array_push(&all_refspecs, line.buf);
232                         strbuf_release(&line);
233                 }
234
235                 refspecs = all_refspecs.argv;
236                 nr_refspecs = all_refspecs.argc;
237         }
238
239         /*
240          * --all and --mirror are incompatible; neither makes sense
241          * with any refspecs.
242          */
243         if ((refspecs && (send_all || args.send_mirror)) ||
244             (send_all && args.send_mirror))
245                 usage(send_pack_usage);
246
247         if (remote_name) {
248                 remote = remote_get(remote_name);
249                 if (!remote_has_url(remote, dest)) {
250                         die("Destination %s is not a uri for %s",
251                             dest, remote_name);
252                 }
253         }
254
255         if (progress == -1)
256                 progress = !args.quiet && isatty(2);
257         args.progress = progress;
258
259         if (args.stateless_rpc) {
260                 conn = NULL;
261                 fd[0] = 0;
262                 fd[1] = 1;
263         } else {
264                 conn = git_connect(fd, dest, receivepack,
265                         args.verbose ? CONNECT_VERBOSE : 0);
266         }
267
268         get_remote_heads(fd[0], NULL, 0, &remote_refs, REF_NORMAL,
269                          &extra_have, &shallow);
270
271         transport_verify_remote_names(nr_refspecs, refspecs);
272
273         local_refs = get_local_heads();
274
275         flags = MATCH_REFS_NONE;
276
277         if (send_all)
278                 flags |= MATCH_REFS_ALL;
279         if (args.send_mirror)
280                 flags |= MATCH_REFS_MIRROR;
281
282         /* match them up */
283         if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
284                 return -1;
285
286         if (!is_empty_cas(&cas))
287                 apply_push_cas(&cas, remote, remote_refs);
288
289         set_ref_status_for_push(remote_refs, args.send_mirror,
290                 args.force_update);
291
292         ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
293
294         if (helper_status)
295                 print_helper_status(remote_refs);
296
297         close(fd[1]);
298         close(fd[0]);
299
300         ret |= finish_connect(conn);
301
302         if (!helper_status)
303                 transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
304
305         if (!args.dry_run && remote) {
306                 struct ref *ref;
307                 for (ref = remote_refs; ref; ref = ref->next)
308                         transport_update_tracking_ref(remote, ref, args.verbose);
309         }
310
311         if (!ret && !transport_refs_pushed(remote_refs))
312                 fprintf(stderr, "Everything up-to-date\n");
313
314         return ret;
315 }