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