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