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