]>
Commit | Line | Data |
---|---|---|
def88e9a | 1 | #include "cache.h" |
b2141fc1 | 2 | #include "config.h" |
def88e9a LT |
3 | #include "refs.h" |
4 | #include "pkt-line.h" | |
958c24b1 | 5 | #include "sideband.h" |
cbd53a21 | 6 | #include "object-store.h" |
f6b42a81 JH |
7 | #include "tag.h" |
8 | #include "object.h" | |
f0243f26 | 9 | #include "commit.h" |
77cb17e9 | 10 | #include "exec_cmd.h" |
9b8dc263 JS |
11 | #include "diff.h" |
12 | #include "revision.h" | |
13 | #include "list-objects.h" | |
10ac85c7 JH |
14 | #include "list-objects-filter.h" |
15 | #include "list-objects-filter-options.h" | |
cc41fa8d | 16 | #include "run-command.h" |
47a59185 | 17 | #include "connect.h" |
051e4005 | 18 | #include "sigchain.h" |
ff5effdf | 19 | #include "version.h" |
daebaa78 | 20 | #include "string-list.h" |
9812f213 | 21 | #include "parse-options.h" |
569e554b | 22 | #include "argv-array.h" |
5411b10c | 23 | #include "prio-queue.h" |
aa9bab29 | 24 | #include "protocol.h" |
10ac85c7 | 25 | #include "quote.h" |
def88e9a | 26 | |
9812f213 AQ |
27 | static const char * const upload_pack_usage[] = { |
28 | N_("git upload-pack [<options>] <dir>"), | |
29 | NULL | |
30 | }; | |
def88e9a | 31 | |
208acbfb | 32 | /* Remember to update object flag allocation in object.h */ |
937a515a JH |
33 | #define THEY_HAVE (1u << 11) |
34 | #define OUR_REF (1u << 12) | |
35 | #define WANTED (1u << 13) | |
36 | #define COMMON_KNOWN (1u << 14) | |
37 | #define REACHABLE (1u << 15) | |
38 | ||
f53514bc JS |
39 | #define SHALLOW (1u << 16) |
40 | #define NOT_SHALLOW (1u << 17) | |
41 | #define CLIENT_SHALLOW (1u << 18) | |
390eb36b | 42 | #define HIDDEN_REF (1u << 19) |
f53514bc | 43 | |
dddbad72 | 44 | static timestamp_t oldest_have; |
937a515a | 45 | |
cccf74e2 | 46 | static int deepen_relative; |
3f1da57f | 47 | static int multi_ack; |
4e10cf9a | 48 | static int no_done; |
348e390b | 49 | static int use_thin_pack, use_ofs_delta, use_include_tag; |
9462e3f5 | 50 | static int no_progress, daemon_mode; |
7199c093 FM |
51 | /* Allow specifying sha1 if it is a ref tip. */ |
52 | #define ALLOW_TIP_SHA1 01 | |
68ee6289 FM |
53 | /* Allow request of a sha1 if it is reachable from a ref (possibly hidden ref). */ |
54 | #define ALLOW_REACHABLE_SHA1 02 | |
f8edeaa0 DT |
55 | /* Allow request of any sha1. Implies ALLOW_TIP_SHA1 and ALLOW_REACHABLE_SHA1. */ |
56 | #define ALLOW_ANY_SHA1 07 | |
7199c093 | 57 | static unsigned int allow_unadvertised_object_request; |
f0cea83f | 58 | static int shallow_nr; |
b1e9fff7 JH |
59 | static struct object_array have_obj; |
60 | static struct object_array want_obj; | |
6523078b | 61 | static struct object_array extra_edge_obj; |
96f1e58f | 62 | static unsigned int timeout; |
115dedd7 | 63 | static int keepalive = 5; |
d47f3db7 JH |
64 | /* 0 for no sideband, |
65 | * otherwise maximum packet size (up to 65520 bytes). | |
66 | */ | |
96f1e58f | 67 | static int use_sideband; |
42526b47 SP |
68 | static int advertise_refs; |
69 | static int stateless_rpc; | |
20b20a22 | 70 | static const char *pack_objects_hook; |
960deccb | 71 | |
10ac85c7 | 72 | static int filter_capability_requested; |
c7620bd0 | 73 | static int allow_filter; |
10ac85c7 JH |
74 | static struct list_objects_filter_options filter_options; |
75 | ||
960deccb PA |
76 | static void reset_timeout(void) |
77 | { | |
78 | alarm(timeout); | |
79 | } | |
fb9040cc | 80 | |
fcf0fe9e | 81 | static void send_client_data(int fd, const char *data, ssize_t sz) |
583b7ea3 | 82 | { |
4c4b7d1d LF |
83 | if (use_sideband) { |
84 | send_sideband(1, fd, data, sz, use_sideband); | |
fcf0fe9e | 85 | return; |
4c4b7d1d | 86 | } |
958c24b1 JH |
87 | if (fd == 3) |
88 | /* emergency quit */ | |
89 | fd = 2; | |
90 | if (fd == 2) { | |
93822c22 | 91 | /* XXX: are we happy to lose stuff here? */ |
958c24b1 | 92 | xwrite(fd, data, sz); |
fcf0fe9e | 93 | return; |
583b7ea3 | 94 | } |
cdf4fb8e | 95 | write_or_die(fd, data, sz); |
583b7ea3 JH |
96 | } |
97 | ||
b790e0f6 NTND |
98 | static int write_one_shallow(const struct commit_graft *graft, void *cb_data) |
99 | { | |
100 | FILE *fp = cb_data; | |
101 | if (graft->nr_parent == -1) | |
7683e2e6 | 102 | fprintf(fp, "--shallow %s\n", oid_to_hex(&graft->oid)); |
b790e0f6 NTND |
103 | return 0; |
104 | } | |
105 | ||
fb9040cc LT |
106 | static void create_pack_file(void) |
107 | { | |
d3180279 | 108 | struct child_process pack_objects = CHILD_PROCESS_INIT; |
363b7817 | 109 | char data[8193], progress[128]; |
583b7ea3 JH |
110 | char abort_msg[] = "aborting due to possible repository " |
111 | "corruption on the remote side."; | |
b1c71b72 | 112 | int buffered = -1; |
1456b043 | 113 | ssize_t sz; |
65a3629e | 114 | int i; |
cdab4858 | 115 | FILE *pipe_fd; |
75bfc6c2 | 116 | |
20b20a22 JK |
117 | if (!pack_objects_hook) |
118 | pack_objects.git_cmd = 1; | |
119 | else { | |
120 | argv_array_push(&pack_objects.args, pack_objects_hook); | |
121 | argv_array_push(&pack_objects.args, "git"); | |
122 | pack_objects.use_shell = 1; | |
123 | } | |
124 | ||
cdab4858 | 125 | if (shallow_nr) { |
65a3629e MP |
126 | argv_array_push(&pack_objects.args, "--shallow-file"); |
127 | argv_array_push(&pack_objects.args, ""); | |
f0cea83f | 128 | } |
65a3629e MP |
129 | argv_array_push(&pack_objects.args, "pack-objects"); |
130 | argv_array_push(&pack_objects.args, "--revs"); | |
cdab4858 | 131 | if (use_thin_pack) |
65a3629e | 132 | argv_array_push(&pack_objects.args, "--thin"); |
75bfc6c2 | 133 | |
65a3629e | 134 | argv_array_push(&pack_objects.args, "--stdout"); |
2dacf26d | 135 | if (shallow_nr) |
65a3629e | 136 | argv_array_push(&pack_objects.args, "--shallow"); |
cc41fa8d | 137 | if (!no_progress) |
65a3629e | 138 | argv_array_push(&pack_objects.args, "--progress"); |
cc41fa8d | 139 | if (use_ofs_delta) |
65a3629e | 140 | argv_array_push(&pack_objects.args, "--delta-base-offset"); |
348e390b | 141 | if (use_include_tag) |
65a3629e | 142 | argv_array_push(&pack_objects.args, "--include-tag"); |
10ac85c7 | 143 | if (filter_options.filter_spec) { |
0b6069fe JT |
144 | if (pack_objects.use_shell) { |
145 | struct strbuf buf = STRBUF_INIT; | |
146 | sq_quote_buf(&buf, filter_options.filter_spec); | |
147 | argv_array_pushf(&pack_objects.args, "--filter=%s", buf.buf); | |
148 | strbuf_release(&buf); | |
149 | } else { | |
150 | argv_array_pushf(&pack_objects.args, "--filter=%s", | |
151 | filter_options.filter_spec); | |
152 | } | |
10ac85c7 | 153 | } |
cc41fa8d | 154 | |
b9612197 | 155 | pack_objects.in = -1; |
cc41fa8d JS |
156 | pack_objects.out = -1; |
157 | pack_objects.err = -1; | |
21edd3f1 | 158 | |
4c324c00 | 159 | if (start_command(&pack_objects)) |
7e44c935 | 160 | die("git upload-pack: unable to fork git-pack-objects"); |
b1c71b72 | 161 | |
cdab4858 NTND |
162 | pipe_fd = xfdopen(pack_objects.in, "w"); |
163 | ||
b790e0f6 NTND |
164 | if (shallow_nr) |
165 | for_each_commit_graft(write_one_shallow, pipe_fd); | |
166 | ||
cdab4858 NTND |
167 | for (i = 0; i < want_obj.nr; i++) |
168 | fprintf(pipe_fd, "%s\n", | |
f2fd0760 | 169 | oid_to_hex(&want_obj.objects[i].item->oid)); |
cdab4858 NTND |
170 | fprintf(pipe_fd, "--not\n"); |
171 | for (i = 0; i < have_obj.nr; i++) | |
172 | fprintf(pipe_fd, "%s\n", | |
f2fd0760 | 173 | oid_to_hex(&have_obj.objects[i].item->oid)); |
cdab4858 NTND |
174 | for (i = 0; i < extra_edge_obj.nr; i++) |
175 | fprintf(pipe_fd, "%s\n", | |
f2fd0760 | 176 | oid_to_hex(&extra_edge_obj.objects[i].item->oid)); |
cdab4858 NTND |
177 | fprintf(pipe_fd, "\n"); |
178 | fflush(pipe_fd); | |
179 | fclose(pipe_fd); | |
f0cea83f | 180 | |
cc41fa8d JS |
181 | /* We read from pack_objects.err to capture stderr output for |
182 | * progress bar, and pack_objects.out to capture the pack data. | |
b1c71b72 | 183 | */ |
b1c71b72 JH |
184 | |
185 | while (1) { | |
b1c71b72 | 186 | struct pollfd pfd[2]; |
363b7817 | 187 | int pe, pu, pollsize; |
05e95155 | 188 | int ret; |
b1c71b72 | 189 | |
0d516ada ML |
190 | reset_timeout(); |
191 | ||
b1c71b72 | 192 | pollsize = 0; |
363b7817 | 193 | pe = pu = -1; |
b1c71b72 | 194 | |
cc41fa8d JS |
195 | if (0 <= pack_objects.out) { |
196 | pfd[pollsize].fd = pack_objects.out; | |
b1c71b72 JH |
197 | pfd[pollsize].events = POLLIN; |
198 | pu = pollsize; | |
199 | pollsize++; | |
200 | } | |
cc41fa8d JS |
201 | if (0 <= pack_objects.err) { |
202 | pfd[pollsize].fd = pack_objects.err; | |
363b7817 JH |
203 | pfd[pollsize].events = POLLIN; |
204 | pe = pollsize; | |
205 | pollsize++; | |
206 | } | |
b1c71b72 | 207 | |
4c324c00 JS |
208 | if (!pollsize) |
209 | break; | |
210 | ||
6c71f8b0 ET |
211 | ret = poll(pfd, pollsize, |
212 | keepalive < 0 ? -1 : 1000 * keepalive); | |
213 | ||
05e95155 | 214 | if (ret < 0) { |
4c324c00 | 215 | if (errno != EINTR) { |
d2b6afa2 | 216 | error_errno("poll failed, resuming"); |
4c324c00 | 217 | sleep(1); |
b1c71b72 | 218 | } |
4c324c00 JS |
219 | continue; |
220 | } | |
6b59f51b NP |
221 | if (0 <= pe && (pfd[pe].revents & (POLLIN|POLLHUP))) { |
222 | /* Status ready; we ship that in the side-band | |
223 | * or dump to the standard error. | |
224 | */ | |
225 | sz = xread(pack_objects.err, progress, | |
226 | sizeof(progress)); | |
227 | if (0 < sz) | |
228 | send_client_data(2, progress, sz); | |
229 | else if (sz == 0) { | |
230 | close(pack_objects.err); | |
231 | pack_objects.err = -1; | |
232 | } | |
233 | else | |
234 | goto fail; | |
235 | /* give priority to status messages */ | |
236 | continue; | |
237 | } | |
4c324c00 JS |
238 | if (0 <= pu && (pfd[pu].revents & (POLLIN|POLLHUP))) { |
239 | /* Data ready; we keep the last byte to ourselves | |
240 | * in case we detect broken rev-list, so that we | |
241 | * can leave the stream corrupted. This is | |
242 | * unfortunate -- unpack-objects would happily | |
243 | * accept a valid packdata with trailing garbage, | |
244 | * so appending garbage after we pass all the | |
245 | * pack data is not good enough to signal | |
246 | * breakage to downstream. | |
247 | */ | |
248 | char *cp = data; | |
249 | ssize_t outsz = 0; | |
250 | if (0 <= buffered) { | |
251 | *cp++ = buffered; | |
252 | outsz++; | |
b1c71b72 | 253 | } |
4c324c00 JS |
254 | sz = xread(pack_objects.out, cp, |
255 | sizeof(data) - outsz); | |
256 | if (0 < sz) | |
1456b043 | 257 | ; |
4c324c00 JS |
258 | else if (sz == 0) { |
259 | close(pack_objects.out); | |
260 | pack_objects.out = -1; | |
363b7817 | 261 | } |
4c324c00 JS |
262 | else |
263 | goto fail; | |
264 | sz += outsz; | |
265 | if (1 < sz) { | |
266 | buffered = data[sz-1] & 0xFF; | |
267 | sz--; | |
b1c71b72 | 268 | } |
4c324c00 JS |
269 | else |
270 | buffered = -1; | |
fcf0fe9e | 271 | send_client_data(1, data, sz); |
4c324c00 | 272 | } |
05e95155 JK |
273 | |
274 | /* | |
275 | * We hit the keepalive timeout without saying anything; send | |
276 | * an empty message on the data sideband just to let the other | |
277 | * side know we're still working on it, but don't have any data | |
278 | * yet. | |
279 | * | |
280 | * If we don't have a sideband channel, there's no room in the | |
281 | * protocol to say anything, so those clients are just out of | |
282 | * luck. | |
283 | */ | |
284 | if (!ret && use_sideband) { | |
285 | static const char buf[] = "0005\1"; | |
286 | write_or_die(1, buf, 5); | |
287 | } | |
4c324c00 | 288 | } |
b1c71b72 | 289 | |
4c324c00 | 290 | if (finish_command(&pack_objects)) { |
7e44c935 | 291 | error("git upload-pack: git-pack-objects died with error."); |
4c324c00 JS |
292 | goto fail; |
293 | } | |
b1c71b72 | 294 | |
4c324c00 JS |
295 | /* flush the data */ |
296 | if (0 <= buffered) { | |
297 | data[0] = buffered; | |
fcf0fe9e | 298 | send_client_data(1, data, 1); |
4c324c00 | 299 | fprintf(stderr, "flushed.\n"); |
b1c71b72 | 300 | } |
4c324c00 JS |
301 | if (use_sideband) |
302 | packet_flush(1); | |
303 | return; | |
304 | ||
b1c71b72 | 305 | fail: |
583b7ea3 | 306 | send_client_data(3, abort_msg, sizeof(abort_msg)); |
7e44c935 | 307 | die("git upload-pack: %s", abort_msg); |
fb9040cc LT |
308 | } |
309 | ||
cf93982f | 310 | static int got_oid(const char *hex, struct object_id *oid) |
def88e9a | 311 | { |
b1e9fff7 | 312 | struct object *o; |
937a515a | 313 | int we_knew_they_have = 0; |
b1e9fff7 | 314 | |
cf93982f | 315 | if (get_oid_hex(hex, oid)) |
7e44c935 | 316 | die("git upload-pack: expected SHA1 object, got '%s'", hex); |
cf93982f | 317 | if (!has_object_file(oid)) |
937a515a | 318 | return -1; |
b1e9fff7 | 319 | |
c251c83d | 320 | o = parse_object(oid); |
b1e9fff7 | 321 | if (!o) |
cf93982f | 322 | die("oops (%s)", oid_to_hex(oid)); |
182a8dab | 323 | if (o->type == OBJ_COMMIT) { |
b1e9fff7 | 324 | struct commit_list *parents; |
937a515a | 325 | struct commit *commit = (struct commit *)o; |
b1e9fff7 | 326 | if (o->flags & THEY_HAVE) |
937a515a JH |
327 | we_knew_they_have = 1; |
328 | else | |
329 | o->flags |= THEY_HAVE; | |
330 | if (!oldest_have || (commit->date < oldest_have)) | |
331 | oldest_have = commit->date; | |
332 | for (parents = commit->parents; | |
b1e9fff7 JH |
333 | parents; |
334 | parents = parents->next) | |
335 | parents->item->object.flags |= THEY_HAVE; | |
fb9040cc | 336 | } |
937a515a JH |
337 | if (!we_knew_they_have) { |
338 | add_object_array(o, NULL, &have_obj); | |
339 | return 1; | |
340 | } | |
341 | return 0; | |
342 | } | |
343 | ||
344 | static int reachable(struct commit *want) | |
345 | { | |
5411b10c | 346 | struct prio_queue work = { compare_commits_by_commit_date }; |
937a515a | 347 | |
5411b10c JK |
348 | prio_queue_put(&work, want); |
349 | while (work.nr) { | |
e510ab89 | 350 | struct commit_list *list; |
5411b10c | 351 | struct commit *commit = prio_queue_get(&work); |
937a515a JH |
352 | |
353 | if (commit->object.flags & THEY_HAVE) { | |
354 | want->object.flags |= COMMON_KNOWN; | |
355 | break; | |
356 | } | |
357 | if (!commit->object.parsed) | |
c251c83d | 358 | parse_object(&commit->object.oid); |
937a515a JH |
359 | if (commit->object.flags & REACHABLE) |
360 | continue; | |
361 | commit->object.flags |= REACHABLE; | |
362 | if (commit->date < oldest_have) | |
363 | continue; | |
364 | for (list = commit->parents; list; list = list->next) { | |
365 | struct commit *parent = list->item; | |
366 | if (!(parent->object.flags & REACHABLE)) | |
5411b10c | 367 | prio_queue_put(&work, parent); |
937a515a JH |
368 | } |
369 | } | |
370 | want->object.flags |= REACHABLE; | |
371 | clear_commit_marks(want, REACHABLE); | |
5411b10c | 372 | clear_prio_queue(&work); |
937a515a JH |
373 | return (want->object.flags & COMMON_KNOWN); |
374 | } | |
375 | ||
376 | static int ok_to_give_up(void) | |
377 | { | |
378 | int i; | |
379 | ||
380 | if (!have_obj.nr) | |
381 | return 0; | |
382 | ||
383 | for (i = 0; i < want_obj.nr; i++) { | |
384 | struct object *want = want_obj.objects[i].item; | |
385 | ||
386 | if (want->flags & COMMON_KNOWN) | |
387 | continue; | |
388 | want = deref_tag(want, "a want line", 0); | |
389 | if (!want || want->type != OBJ_COMMIT) { | |
390 | /* no way to tell if this is reachable by | |
391 | * looking at the ancestry chain alone, so | |
392 | * leave a note to ourselves not to worry about | |
393 | * this object anymore. | |
394 | */ | |
395 | want_obj.objects[i].item->flags |= COMMON_KNOWN; | |
396 | continue; | |
397 | } | |
398 | if (!reachable((struct commit *)want)) | |
399 | return 0; | |
400 | } | |
fb9040cc | 401 | return 1; |
def88e9a LT |
402 | } |
403 | ||
404 | static int get_common_commits(void) | |
405 | { | |
cf93982f | 406 | struct object_id oid; |
407 | char last_hex[GIT_MAX_HEXSZ + 1]; | |
49bee717 SP |
408 | int got_common = 0; |
409 | int got_other = 0; | |
4e10cf9a | 410 | int sent_ready = 0; |
def88e9a | 411 | |
f0243f26 JS |
412 | save_commit_buffer = 0; |
413 | ||
eeefa7c9 | 414 | for (;;) { |
74543a04 | 415 | char *line = packet_read_line(0, NULL); |
8bf3b758 NTND |
416 | const char *arg; |
417 | ||
960deccb | 418 | reset_timeout(); |
def88e9a | 419 | |
74543a04 | 420 | if (!line) { |
49bee717 | 421 | if (multi_ack == 2 && got_common |
4e10cf9a JH |
422 | && !got_other && ok_to_give_up()) { |
423 | sent_ready = 1; | |
81c634e9 | 424 | packet_write_fmt(1, "ACK %s ready\n", last_hex); |
4e10cf9a | 425 | } |
b1e9fff7 | 426 | if (have_obj.nr == 0 || multi_ack) |
81c634e9 | 427 | packet_write_fmt(1, "NAK\n"); |
4e10cf9a JH |
428 | |
429 | if (no_done && sent_ready) { | |
81c634e9 | 430 | packet_write_fmt(1, "ACK %s\n", last_hex); |
4e10cf9a JH |
431 | return 0; |
432 | } | |
42526b47 SP |
433 | if (stateless_rpc) |
434 | exit(0); | |
49bee717 SP |
435 | got_common = 0; |
436 | got_other = 0; | |
def88e9a LT |
437 | continue; |
438 | } | |
8bf3b758 | 439 | if (skip_prefix(line, "have ", &arg)) { |
cf93982f | 440 | switch (got_oid(arg, &oid)) { |
937a515a | 441 | case -1: /* they have what we do not */ |
49bee717 | 442 | got_other = 1; |
78affc49 | 443 | if (multi_ack && ok_to_give_up()) { |
cf93982f | 444 | const char *hex = oid_to_hex(&oid); |
4e10cf9a JH |
445 | if (multi_ack == 2) { |
446 | sent_ready = 1; | |
81c634e9 | 447 | packet_write_fmt(1, "ACK %s ready\n", hex); |
4e10cf9a | 448 | } else |
81c634e9 | 449 | packet_write_fmt(1, "ACK %s continue\n", hex); |
78affc49 | 450 | } |
937a515a JH |
451 | break; |
452 | default: | |
49bee717 | 453 | got_common = 1; |
cf93982f | 454 | memcpy(last_hex, oid_to_hex(&oid), 41); |
78affc49 | 455 | if (multi_ack == 2) |
81c634e9 | 456 | packet_write_fmt(1, "ACK %s common\n", last_hex); |
78affc49 | 457 | else if (multi_ack) |
81c634e9 | 458 | packet_write_fmt(1, "ACK %s continue\n", last_hex); |
c04c4e57 | 459 | else if (have_obj.nr == 1) |
81c634e9 | 460 | packet_write_fmt(1, "ACK %s\n", last_hex); |
937a515a | 461 | break; |
af2d3aa4 | 462 | } |
def88e9a LT |
463 | continue; |
464 | } | |
465 | if (!strcmp(line, "done")) { | |
b1e9fff7 | 466 | if (have_obj.nr > 0) { |
1bd8c8f0 | 467 | if (multi_ack) |
81c634e9 | 468 | packet_write_fmt(1, "ACK %s\n", last_hex); |
1bd8c8f0 JS |
469 | return 0; |
470 | } | |
81c634e9 | 471 | packet_write_fmt(1, "NAK\n"); |
def88e9a LT |
472 | return -1; |
473 | } | |
7e44c935 | 474 | die("git upload-pack: expected SHA1 list, got '%s'", line); |
def88e9a | 475 | } |
def88e9a LT |
476 | } |
477 | ||
390eb36b JH |
478 | static int is_our_ref(struct object *o) |
479 | { | |
68ee6289 FM |
480 | int allow_hidden_ref = (allow_unadvertised_object_request & |
481 | (ALLOW_TIP_SHA1 | ALLOW_REACHABLE_SHA1)); | |
7199c093 | 482 | return o->flags & ((allow_hidden_ref ? HIDDEN_REF : 0) | OUR_REF); |
390eb36b JH |
483 | } |
484 | ||
2997178e NTND |
485 | /* |
486 | * on successful case, it's up to the caller to close cmd->out | |
487 | */ | |
488 | static int do_reachable_revlist(struct child_process *cmd, | |
079aa97e NTND |
489 | struct object_array *src, |
490 | struct object_array *reachable) | |
051e4005 JH |
491 | { |
492 | static const char *argv[] = { | |
493 | "rev-list", "--stdin", NULL, | |
494 | }; | |
051e4005 JH |
495 | struct object *o; |
496 | char namebuf[42]; /* ^ + SHA-1 + LF */ | |
497 | int i; | |
498 | ||
2997178e NTND |
499 | cmd->argv = argv; |
500 | cmd->git_cmd = 1; | |
501 | cmd->no_stderr = 1; | |
502 | cmd->in = -1; | |
503 | cmd->out = -1; | |
051e4005 JH |
504 | |
505 | /* | |
7fcbd37f NTND |
506 | * If the next rev-list --stdin encounters an unknown commit, |
507 | * it terminates, which will cause SIGPIPE in the write loop | |
051e4005 JH |
508 | * below. |
509 | */ | |
510 | sigchain_push(SIGPIPE, SIG_IGN); | |
511 | ||
2997178e | 512 | if (start_command(cmd)) |
7fcbd37f NTND |
513 | goto error; |
514 | ||
051e4005 | 515 | namebuf[0] = '^'; |
cf93982f | 516 | namebuf[GIT_SHA1_HEXSZ + 1] = '\n'; |
051e4005 JH |
517 | for (i = get_max_object_index(); 0 < i; ) { |
518 | o = get_indexed_object(--i); | |
2a745324 BH |
519 | if (!o) |
520 | continue; | |
079aa97e NTND |
521 | if (reachable && o->type == OBJ_COMMIT) |
522 | o->flags &= ~TMP_MARK; | |
390eb36b | 523 | if (!is_our_ref(o)) |
051e4005 | 524 | continue; |
f2fd0760 | 525 | memcpy(namebuf + 1, oid_to_hex(&o->oid), GIT_SHA1_HEXSZ); |
cf93982f | 526 | if (write_in_full(cmd->in, namebuf, GIT_SHA1_HEXSZ + 2) < 0) |
051e4005 JH |
527 | goto error; |
528 | } | |
cf93982f | 529 | namebuf[GIT_SHA1_HEXSZ] = '\n'; |
3f0f6624 NTND |
530 | for (i = 0; i < src->nr; i++) { |
531 | o = src->objects[i].item; | |
079aa97e NTND |
532 | if (is_our_ref(o)) { |
533 | if (reachable) | |
534 | add_object_array(o, NULL, reachable); | |
051e4005 | 535 | continue; |
079aa97e NTND |
536 | } |
537 | if (reachable && o->type == OBJ_COMMIT) | |
538 | o->flags |= TMP_MARK; | |
f2fd0760 | 539 | memcpy(namebuf, oid_to_hex(&o->oid), GIT_SHA1_HEXSZ); |
cf93982f | 540 | if (write_in_full(cmd->in, namebuf, GIT_SHA1_HEXSZ + 1) < 0) |
051e4005 JH |
541 | goto error; |
542 | } | |
2997178e NTND |
543 | close(cmd->in); |
544 | cmd->in = -1; | |
545 | sigchain_pop(SIGPIPE); | |
051e4005 | 546 | |
2997178e NTND |
547 | return 0; |
548 | ||
549 | error: | |
051e4005 JH |
550 | sigchain_pop(SIGPIPE); |
551 | ||
2997178e NTND |
552 | if (cmd->in >= 0) |
553 | close(cmd->in); | |
554 | if (cmd->out >= 0) | |
555 | close(cmd->out); | |
556 | return -1; | |
557 | } | |
558 | ||
079aa97e NTND |
559 | static int get_reachable_list(struct object_array *src, |
560 | struct object_array *reachable) | |
561 | { | |
562 | struct child_process cmd = CHILD_PROCESS_INIT; | |
563 | int i; | |
564 | struct object *o; | |
565 | char namebuf[42]; /* ^ + SHA-1 + LF */ | |
566 | ||
567 | if (do_reachable_revlist(&cmd, src, reachable) < 0) | |
568 | return -1; | |
569 | ||
570 | while ((i = read_in_full(cmd.out, namebuf, 41)) == 41) { | |
571 | struct object_id sha1; | |
572 | ||
573 | if (namebuf[40] != '\n' || get_oid_hex(namebuf, &sha1)) | |
574 | break; | |
575 | ||
576 | o = lookup_object(sha1.hash); | |
577 | if (o && o->type == OBJ_COMMIT) { | |
578 | o->flags &= ~TMP_MARK; | |
579 | } | |
580 | } | |
581 | for (i = get_max_object_index(); 0 < i; i--) { | |
582 | o = get_indexed_object(i - 1); | |
583 | if (o && o->type == OBJ_COMMIT && | |
584 | (o->flags & TMP_MARK)) { | |
585 | add_object_array(o, NULL, reachable); | |
586 | o->flags &= ~TMP_MARK; | |
587 | } | |
588 | } | |
589 | close(cmd.out); | |
590 | ||
591 | if (finish_command(&cmd)) | |
592 | return -1; | |
593 | ||
594 | return 0; | |
595 | } | |
596 | ||
2997178e NTND |
597 | static int has_unreachable(struct object_array *src) |
598 | { | |
599 | struct child_process cmd = CHILD_PROCESS_INIT; | |
600 | char buf[1]; | |
601 | int i; | |
602 | ||
079aa97e | 603 | if (do_reachable_revlist(&cmd, src, NULL) < 0) |
2997178e | 604 | return 1; |
051e4005 JH |
605 | |
606 | /* | |
607 | * The commits out of the rev-list are not ancestors of | |
608 | * our ref. | |
609 | */ | |
2997178e | 610 | i = read_in_full(cmd.out, buf, 1); |
051e4005 JH |
611 | if (i) |
612 | goto error; | |
613 | close(cmd.out); | |
7fcbd37f | 614 | cmd.out = -1; |
051e4005 JH |
615 | |
616 | /* | |
617 | * rev-list may have died by encountering a bad commit | |
618 | * in the history, in which case we do want to bail out | |
619 | * even when it showed no commit. | |
620 | */ | |
621 | if (finish_command(&cmd)) | |
622 | goto error; | |
623 | ||
624 | /* All the non-tip ones are ancestors of what we advertised */ | |
3f0f6624 | 625 | return 0; |
051e4005 JH |
626 | |
627 | error: | |
7fcbd37f | 628 | sigchain_pop(SIGPIPE); |
7fcbd37f NTND |
629 | if (cmd.out >= 0) |
630 | close(cmd.out); | |
3f0f6624 NTND |
631 | return 1; |
632 | } | |
7fcbd37f | 633 | |
3f0f6624 NTND |
634 | static void check_non_tip(void) |
635 | { | |
636 | int i; | |
637 | ||
638 | /* | |
639 | * In the normal in-process case without | |
640 | * uploadpack.allowReachableSHA1InWant, | |
641 | * non-tip requests can never happen. | |
642 | */ | |
643 | if (!stateless_rpc && !(allow_unadvertised_object_request & ALLOW_REACHABLE_SHA1)) | |
644 | goto error; | |
645 | if (!has_unreachable(&want_obj)) | |
646 | /* All the non-tip ones are ancestors of what we advertised */ | |
647 | return; | |
051e4005 JH |
648 | |
649 | error: | |
650 | /* Pick one of them (we know there at least is one) */ | |
651 | for (i = 0; i < want_obj.nr; i++) { | |
3f0f6624 | 652 | struct object *o = want_obj.objects[i].item; |
390eb36b | 653 | if (!is_our_ref(o)) |
051e4005 | 654 | die("git upload-pack: not our ref %s", |
f2fd0760 | 655 | oid_to_hex(&o->oid)); |
051e4005 JH |
656 | } |
657 | } | |
658 | ||
5c24cdea NTND |
659 | static void send_shallow(struct commit_list *result) |
660 | { | |
661 | while (result) { | |
662 | struct object *object = &result->item->object; | |
663 | if (!(object->flags & (CLIENT_SHALLOW|NOT_SHALLOW))) { | |
dbaa6bdc JH |
664 | packet_write_fmt(1, "shallow %s", |
665 | oid_to_hex(&object->oid)); | |
e92b848c | 666 | register_shallow(&object->oid); |
5c24cdea NTND |
667 | shallow_nr++; |
668 | } | |
669 | result = result->next; | |
670 | } | |
671 | } | |
672 | ||
873700c9 | 673 | static void send_unshallow(const struct object_array *shallows) |
e8e44de7 | 674 | { |
e8e44de7 | 675 | int i; |
873700c9 | 676 | |
e8e44de7 NTND |
677 | for (i = 0; i < shallows->nr; i++) { |
678 | struct object *object = shallows->objects[i].item; | |
679 | if (object->flags & NOT_SHALLOW) { | |
680 | struct commit_list *parents; | |
dbaa6bdc JH |
681 | packet_write_fmt(1, "unshallow %s", |
682 | oid_to_hex(&object->oid)); | |
e8e44de7 | 683 | object->flags &= ~CLIENT_SHALLOW; |
873700c9 NTND |
684 | /* |
685 | * We want to _register_ "object" as shallow, but we | |
686 | * also need to traverse object's parents to deepen a | |
687 | * shallow clone. Unregister it for now so we can | |
688 | * parse and add the parents to the want list, then | |
689 | * re-register it. | |
690 | */ | |
e92b848c | 691 | unregister_shallow(&object->oid); |
e8e44de7 NTND |
692 | object->parsed = 0; |
693 | parse_commit_or_die((struct commit *)object); | |
694 | parents = ((struct commit *)object)->parents; | |
695 | while (parents) { | |
696 | add_object_array(&parents->item->object, | |
697 | NULL, &want_obj); | |
698 | parents = parents->next; | |
699 | } | |
700 | add_object_array(object, NULL, &extra_edge_obj); | |
701 | } | |
702 | /* make sure commit traversal conforms to client */ | |
e92b848c | 703 | register_shallow(&object->oid); |
e8e44de7 | 704 | } |
873700c9 NTND |
705 | } |
706 | ||
cccf74e2 NTND |
707 | static void deepen(int depth, int deepen_relative, |
708 | struct object_array *shallows) | |
873700c9 NTND |
709 | { |
710 | if (depth == INFINITE_DEPTH && !is_repository_shallow()) { | |
711 | int i; | |
712 | ||
713 | for (i = 0; i < shallows->nr; i++) { | |
714 | struct object *object = shallows->objects[i].item; | |
715 | object->flags |= NOT_SHALLOW; | |
716 | } | |
cccf74e2 NTND |
717 | } else if (deepen_relative) { |
718 | struct object_array reachable_shallows = OBJECT_ARRAY_INIT; | |
719 | struct commit_list *result; | |
720 | ||
721 | get_reachable_list(shallows, &reachable_shallows); | |
722 | result = get_shallow_commits(&reachable_shallows, | |
723 | depth + 1, | |
724 | SHALLOW, NOT_SHALLOW); | |
725 | send_shallow(result); | |
726 | free_commit_list(result); | |
727 | object_array_clear(&reachable_shallows); | |
873700c9 NTND |
728 | } else { |
729 | struct commit_list *result; | |
730 | ||
731 | result = get_shallow_commits(&want_obj, depth, | |
732 | SHALLOW, NOT_SHALLOW); | |
733 | send_shallow(result); | |
734 | free_commit_list(result); | |
735 | } | |
736 | ||
737 | send_unshallow(shallows); | |
e8e44de7 NTND |
738 | packet_flush(1); |
739 | } | |
740 | ||
569e554b NTND |
741 | static void deepen_by_rev_list(int ac, const char **av, |
742 | struct object_array *shallows) | |
743 | { | |
744 | struct commit_list *result; | |
745 | ||
746 | result = get_shallow_commits_by_rev_list(ac, av, SHALLOW, NOT_SHALLOW); | |
747 | send_shallow(result); | |
748 | free_commit_list(result); | |
749 | send_unshallow(shallows); | |
750 | packet_flush(1); | |
751 | } | |
752 | ||
b1e9fff7 | 753 | static void receive_needs(void) |
fb9040cc | 754 | { |
3cd47459 | 755 | struct object_array shallows = OBJECT_ARRAY_INIT; |
269a7a83 | 756 | struct string_list deepen_not = STRING_LIST_INIT_DUP; |
74543a04 | 757 | int depth = 0; |
051e4005 | 758 | int has_non_tip = 0; |
dddbad72 | 759 | timestamp_t deepen_since = 0; |
569e554b | 760 | int deepen_rev_list = 0; |
fb9040cc | 761 | |
f0cea83f | 762 | shallow_nr = 0; |
fb9040cc | 763 | for (;;) { |
565ebbf7 | 764 | struct object *o; |
f47182c8 | 765 | const char *features; |
cf93982f | 766 | struct object_id oid_buf; |
74543a04 | 767 | char *line = packet_read_line(0, NULL); |
8bf3b758 NTND |
768 | const char *arg; |
769 | ||
960deccb | 770 | reset_timeout(); |
74543a04 | 771 | if (!line) |
ed09aef0 | 772 | break; |
e091eb93 | 773 | |
8bf3b758 | 774 | if (skip_prefix(line, "shallow ", &arg)) { |
cf93982f | 775 | struct object_id oid; |
ed09aef0 | 776 | struct object *object; |
cf93982f | 777 | if (get_oid_hex(arg, &oid)) |
ed09aef0 | 778 | die("invalid shallow line: %s", line); |
c251c83d | 779 | object = parse_object(&oid); |
ed09aef0 | 780 | if (!object) |
af04fa2a | 781 | continue; |
6293ded3 | 782 | if (object->type != OBJ_COMMIT) |
cf93982f | 783 | die("invalid shallow object %s", oid_to_hex(&oid)); |
e58e57e4 JK |
784 | if (!(object->flags & CLIENT_SHALLOW)) { |
785 | object->flags |= CLIENT_SHALLOW; | |
786 | add_object_array(object, NULL, &shallows); | |
787 | } | |
ed09aef0 JS |
788 | continue; |
789 | } | |
8bf3b758 | 790 | if (skip_prefix(line, "deepen ", &arg)) { |
6e414e30 | 791 | char *end = NULL; |
8bf3b758 | 792 | depth = strtol(arg, &end, 0); |
6e414e30 | 793 | if (!end || *end || depth <= 0) |
016e6ccb JS |
794 | die("Invalid deepen: %s", line); |
795 | continue; | |
796 | } | |
569e554b NTND |
797 | if (skip_prefix(line, "deepen-since ", &arg)) { |
798 | char *end = NULL; | |
1aeb7e75 | 799 | deepen_since = parse_timestamp(arg, &end, 0); |
569e554b NTND |
800 | if (!end || *end || !deepen_since || |
801 | /* revisions.c's max_age -1 is special */ | |
802 | deepen_since == -1) | |
803 | die("Invalid deepen-since: %s", line); | |
804 | deepen_rev_list = 1; | |
805 | continue; | |
806 | } | |
269a7a83 NTND |
807 | if (skip_prefix(line, "deepen-not ", &arg)) { |
808 | char *ref = NULL; | |
cf93982f | 809 | struct object_id oid; |
cca5fa64 | 810 | if (expand_ref(arg, strlen(arg), &oid, &ref) != 1) |
269a7a83 NTND |
811 | die("git upload-pack: ambiguous deepen-not: %s", line); |
812 | string_list_append(&deepen_not, ref); | |
813 | free(ref); | |
814 | deepen_rev_list = 1; | |
815 | continue; | |
816 | } | |
10ac85c7 JH |
817 | if (skip_prefix(line, "filter ", &arg)) { |
818 | if (!filter_capability_requested) | |
819 | die("git upload-pack: filtering capability not negotiated"); | |
820 | parse_list_objects_filter(&filter_options, arg); | |
821 | continue; | |
822 | } | |
8bf3b758 | 823 | if (!skip_prefix(line, "want ", &arg) || |
cf93982f | 824 | get_oid_hex(arg, &oid_buf)) |
7e44c935 | 825 | die("git upload-pack: protocol error, " |
e091eb93 | 826 | "expected to get sha, not '%s'", line); |
f47182c8 | 827 | |
8bf3b758 | 828 | features = arg + 40; |
f47182c8 | 829 | |
cccf74e2 NTND |
830 | if (parse_feature_request(features, "deepen-relative")) |
831 | deepen_relative = 1; | |
f47182c8 | 832 | if (parse_feature_request(features, "multi_ack_detailed")) |
78affc49 | 833 | multi_ack = 2; |
f47182c8 | 834 | else if (parse_feature_request(features, "multi_ack")) |
1bd8c8f0 | 835 | multi_ack = 1; |
f47182c8 | 836 | if (parse_feature_request(features, "no-done")) |
4e10cf9a | 837 | no_done = 1; |
f47182c8 | 838 | if (parse_feature_request(features, "thin-pack")) |
b19696c2 | 839 | use_thin_pack = 1; |
f47182c8 | 840 | if (parse_feature_request(features, "ofs-delta")) |
e4fe4b8e | 841 | use_ofs_delta = 1; |
f47182c8 | 842 | if (parse_feature_request(features, "side-band-64k")) |
d47f3db7 | 843 | use_sideband = LARGE_PACKET_MAX; |
f47182c8 | 844 | else if (parse_feature_request(features, "side-band")) |
d47f3db7 | 845 | use_sideband = DEFAULT_PACKET_MAX; |
f47182c8 | 846 | if (parse_feature_request(features, "no-progress")) |
b0e90897 | 847 | no_progress = 1; |
f47182c8 | 848 | if (parse_feature_request(features, "include-tag")) |
348e390b | 849 | use_include_tag = 1; |
c7620bd0 | 850 | if (allow_filter && parse_feature_request(features, "filter")) |
10ac85c7 | 851 | filter_capability_requested = 1; |
565ebbf7 | 852 | |
c251c83d | 853 | o = parse_object(&oid_buf); |
bdb31ead JT |
854 | if (!o) { |
855 | packet_write_fmt(1, | |
856 | "ERR upload-pack: not our ref %s", | |
cf93982f | 857 | oid_to_hex(&oid_buf)); |
9f9aa761 | 858 | die("git upload-pack: not our ref %s", |
cf93982f | 859 | oid_to_hex(&oid_buf)); |
bdb31ead | 860 | } |
565ebbf7 JH |
861 | if (!(o->flags & WANTED)) { |
862 | o->flags |= WANTED; | |
f8edeaa0 DT |
863 | if (!((allow_unadvertised_object_request & ALLOW_ANY_SHA1) == ALLOW_ANY_SHA1 |
864 | || is_our_ref(o))) | |
051e4005 | 865 | has_non_tip = 1; |
b1e9fff7 | 866 | add_object_array(o, NULL, &want_obj); |
565ebbf7 | 867 | } |
fb9040cc | 868 | } |
9462e3f5 | 869 | |
051e4005 JH |
870 | /* |
871 | * We have sent all our refs already, and the other end | |
872 | * should have chosen out of them. When we are operating | |
873 | * in the stateless RPC mode, however, their choice may | |
874 | * have been based on the set of older refs advertised | |
875 | * by another process that handled the initial request. | |
876 | */ | |
877 | if (has_non_tip) | |
878 | check_non_tip(); | |
879 | ||
9462e3f5 JS |
880 | if (!use_sideband && daemon_mode) |
881 | no_progress = 1; | |
882 | ||
569e554b | 883 | if (depth == 0 && !deepen_rev_list && shallows.nr == 0) |
f53514bc | 884 | return; |
569e554b | 885 | if (depth > 0 && deepen_rev_list) |
269a7a83 | 886 | die("git upload-pack: deepen and deepen-since (or deepen-not) cannot be used together"); |
e8e44de7 | 887 | if (depth > 0) |
cccf74e2 | 888 | deepen(depth, deepen_relative, &shallows); |
569e554b NTND |
889 | else if (deepen_rev_list) { |
890 | struct argv_array av = ARGV_ARRAY_INIT; | |
f53514bc | 891 | int i; |
569e554b NTND |
892 | |
893 | argv_array_push(&av, "rev-list"); | |
894 | if (deepen_since) | |
cb71f8bd | 895 | argv_array_pushf(&av, "--max-age=%"PRItime, deepen_since); |
269a7a83 NTND |
896 | if (deepen_not.nr) { |
897 | argv_array_push(&av, "--not"); | |
898 | for (i = 0; i < deepen_not.nr; i++) { | |
899 | struct string_list_item *s = deepen_not.items + i; | |
900 | argv_array_push(&av, s->string); | |
f53514bc | 901 | } |
269a7a83 | 902 | argv_array_push(&av, "--not"); |
016e6ccb | 903 | } |
569e554b NTND |
904 | for (i = 0; i < want_obj.nr; i++) { |
905 | struct object *o = want_obj.objects[i].item; | |
906 | argv_array_push(&av, oid_to_hex(&o->oid)); | |
f53514bc | 907 | } |
569e554b NTND |
908 | deepen_by_rev_list(av.argc, av.argv, &shallows); |
909 | argv_array_clear(&av); | |
910 | } | |
e8e44de7 | 911 | else |
f53514bc JS |
912 | if (shallows.nr > 0) { |
913 | int i; | |
914 | for (i = 0; i < shallows.nr; i++) | |
e92b848c | 915 | register_shallow(&shallows.objects[i].item->oid); |
f53514bc | 916 | } |
f0cea83f NE |
917 | |
918 | shallow_nr += shallows.nr; | |
dcb572ab | 919 | object_array_clear(&shallows); |
fb9040cc LT |
920 | } |
921 | ||
daebaa78 | 922 | /* return non-zero if the ref is hidden, otherwise 0 */ |
78a766ab LF |
923 | static int mark_our_ref(const char *refname, const char *refname_full, |
924 | const struct object_id *oid) | |
cbbe50db | 925 | { |
363e98bf | 926 | struct object *o = lookup_unknown_object(oid->hash); |
daebaa78 | 927 | |
78a766ab | 928 | if (ref_is_hidden(refname, refname_full)) { |
390eb36b | 929 | o->flags |= HIDDEN_REF; |
daebaa78 | 930 | return 1; |
390eb36b | 931 | } |
3f1da57f | 932 | o->flags |= OUR_REF; |
cbbe50db JH |
933 | return 0; |
934 | } | |
935 | ||
78a766ab | 936 | static int check_ref(const char *refname_full, const struct object_id *oid, |
363e98bf | 937 | int flag, void *cb_data) |
e172755b | 938 | { |
78a766ab LF |
939 | const char *refname = strip_namespace(refname_full); |
940 | ||
941 | mark_our_ref(refname, refname_full, oid); | |
e172755b JK |
942 | return 0; |
943 | } | |
944 | ||
7171d8c1 JH |
945 | static void format_symref_info(struct strbuf *buf, struct string_list *symref) |
946 | { | |
947 | struct string_list_item *item; | |
948 | ||
949 | if (!symref->nr) | |
950 | return; | |
951 | for_each_string_list_item(item, symref) | |
952 | strbuf_addf(buf, " symref=%s:%s", item->string, (char *)item->util); | |
953 | } | |
954 | ||
363e98bf MH |
955 | static int send_ref(const char *refname, const struct object_id *oid, |
956 | int flag, void *cb_data) | |
def88e9a | 957 | { |
ed09aef0 | 958 | static const char *capabilities = "multi_ack thin-pack side-band" |
cccf74e2 NTND |
959 | " side-band-64k ofs-delta shallow deepen-since deepen-not" |
960 | " deepen-relative no-progress include-tag multi_ack_detailed"; | |
6b01ecfe | 961 | const char *refname_nons = strip_namespace(refname); |
21758aff | 962 | struct object_id peeled; |
b5b16990 | 963 | |
78a766ab | 964 | if (mark_our_ref(refname_nons, refname, oid)) |
daebaa78 | 965 | return 0; |
cbbe50db | 966 | |
7171d8c1 JH |
967 | if (capabilities) { |
968 | struct strbuf symref_info = STRBUF_INIT; | |
969 | ||
970 | format_symref_info(&symref_info, cb_data); | |
10ac85c7 | 971 | packet_write_fmt(1, "%s %s%c%s%s%s%s%s%s agent=%s\n", |
363e98bf | 972 | oid_to_hex(oid), refname_nons, |
cf2ad8e6 | 973 | 0, capabilities, |
7199c093 FM |
974 | (allow_unadvertised_object_request & ALLOW_TIP_SHA1) ? |
975 | " allow-tip-sha1-in-want" : "", | |
68ee6289 FM |
976 | (allow_unadvertised_object_request & ALLOW_REACHABLE_SHA1) ? |
977 | " allow-reachable-sha1-in-want" : "", | |
ff5effdf | 978 | stateless_rpc ? " no-done" : "", |
7171d8c1 | 979 | symref_info.buf, |
c7620bd0 | 980 | allow_filter ? " filter" : "", |
ff5effdf | 981 | git_user_agent_sanitized()); |
7171d8c1 JH |
982 | strbuf_release(&symref_info); |
983 | } else { | |
81c634e9 | 984 | packet_write_fmt(1, "%s %s\n", oid_to_hex(oid), refname_nons); |
7171d8c1 | 985 | } |
1f5881bb | 986 | capabilities = NULL; |
b420d909 | 987 | if (!peel_ref(refname, &peeled)) |
81c634e9 | 988 | packet_write_fmt(1, "%s %s^{}\n", oid_to_hex(&peeled), refname_nons); |
def88e9a LT |
989 | return 0; |
990 | } | |
991 | ||
7dabd056 MH |
992 | static int find_symref(const char *refname, const struct object_id *oid, |
993 | int flag, void *cb_data) | |
7171d8c1 JH |
994 | { |
995 | const char *symref_target; | |
996 | struct string_list_item *item; | |
7171d8c1 JH |
997 | |
998 | if ((flag & REF_ISSYMREF) == 0) | |
999 | return 0; | |
744c040b | 1000 | symref_target = resolve_ref_unsafe(refname, 0, NULL, &flag); |
7171d8c1 JH |
1001 | if (!symref_target || (flag & REF_ISSYMREF) == 0) |
1002 | die("'%s' is a symref but it is not?", refname); | |
1003 | item = string_list_append(cb_data, refname); | |
1004 | item->util = xstrdup(symref_target); | |
1005 | return 0; | |
1006 | } | |
1007 | ||
59076eba | 1008 | static void upload_pack(void) |
def88e9a | 1009 | { |
7171d8c1 JH |
1010 | struct string_list symref = STRING_LIST_INIT_DUP; |
1011 | ||
1012 | head_ref_namespaced(find_symref, &symref); | |
1013 | ||
42526b47 SP |
1014 | if (advertise_refs || !stateless_rpc) { |
1015 | reset_timeout(); | |
7171d8c1 JH |
1016 | head_ref_namespaced(send_ref, &symref); |
1017 | for_each_namespaced_ref(send_ref, &symref); | |
ad491366 | 1018 | advertise_shallow_grafts(1); |
42526b47 SP |
1019 | packet_flush(1); |
1020 | } else { | |
e172755b JK |
1021 | head_ref_namespaced(check_ref, NULL); |
1022 | for_each_namespaced_ref(check_ref, NULL); | |
42526b47 | 1023 | } |
7171d8c1 | 1024 | string_list_clear(&symref, 1); |
42526b47 SP |
1025 | if (advertise_refs) |
1026 | return; | |
1027 | ||
b1e9fff7 | 1028 | receive_needs(); |
59076eba DR |
1029 | if (want_obj.nr) { |
1030 | get_common_commits(); | |
1031 | create_pack_file(); | |
1032 | } | |
def88e9a LT |
1033 | } |
1034 | ||
daebaa78 JH |
1035 | static int upload_pack_config(const char *var, const char *value, void *unused) |
1036 | { | |
7199c093 FM |
1037 | if (!strcmp("uploadpack.allowtipsha1inwant", var)) { |
1038 | if (git_config_bool(var, value)) | |
1039 | allow_unadvertised_object_request |= ALLOW_TIP_SHA1; | |
1040 | else | |
1041 | allow_unadvertised_object_request &= ~ALLOW_TIP_SHA1; | |
68ee6289 FM |
1042 | } else if (!strcmp("uploadpack.allowreachablesha1inwant", var)) { |
1043 | if (git_config_bool(var, value)) | |
1044 | allow_unadvertised_object_request |= ALLOW_REACHABLE_SHA1; | |
1045 | else | |
1046 | allow_unadvertised_object_request &= ~ALLOW_REACHABLE_SHA1; | |
f8edeaa0 DT |
1047 | } else if (!strcmp("uploadpack.allowanysha1inwant", var)) { |
1048 | if (git_config_bool(var, value)) | |
1049 | allow_unadvertised_object_request |= ALLOW_ANY_SHA1; | |
1050 | else | |
1051 | allow_unadvertised_object_request &= ~ALLOW_ANY_SHA1; | |
7199c093 | 1052 | } else if (!strcmp("uploadpack.keepalive", var)) { |
05e95155 JK |
1053 | keepalive = git_config_int(var, value); |
1054 | if (!keepalive) | |
1055 | keepalive = -1; | |
20b20a22 JK |
1056 | } else if (current_config_scope() != CONFIG_SCOPE_REPO) { |
1057 | if (!strcmp("uploadpack.packobjectshook", var)) | |
1058 | return git_config_string(&pack_objects_hook, var, value); | |
10ac85c7 | 1059 | } else if (!strcmp("uploadpack.allowfilter", var)) { |
c7620bd0 | 1060 | allow_filter = git_config_bool(var, value); |
05e95155 | 1061 | } |
daebaa78 JH |
1062 | return parse_hide_refs_config(var, value, "uploadpack"); |
1063 | } | |
1064 | ||
3f2e2297 | 1065 | int cmd_main(int argc, const char **argv) |
def88e9a | 1066 | { |
9812f213 | 1067 | const char *dir; |
960deccb | 1068 | int strict = 0; |
9812f213 AQ |
1069 | struct option options[] = { |
1070 | OPT_BOOL(0, "stateless-rpc", &stateless_rpc, | |
1071 | N_("quit after a single request/response exchange")), | |
1072 | OPT_BOOL(0, "advertise-refs", &advertise_refs, | |
2e3a16b2 | 1073 | N_("exit immediately after initial ref advertisement")), |
9812f213 AQ |
1074 | OPT_BOOL(0, "strict", &strict, |
1075 | N_("do not try <directory>/.git/ if <directory> is no Git directory")), | |
1076 | OPT_INTEGER(0, "timeout", &timeout, | |
1077 | N_("interrupt transfer after <n> seconds of inactivity")), | |
1078 | OPT_END() | |
1079 | }; | |
960deccb | 1080 | |
bbc30f99 | 1081 | packet_trace_identity("upload-pack"); |
afc711b8 | 1082 | check_replace_refs = 0; |
2fb3f6db | 1083 | |
9812f213 | 1084 | argc = parse_options(argc, argv, NULL, options, upload_pack_usage, 0); |
960deccb | 1085 | |
9812f213 AQ |
1086 | if (argc != 1) |
1087 | usage_with_options(upload_pack_usage, options); | |
a6080a0a | 1088 | |
9812f213 AQ |
1089 | if (timeout) |
1090 | daemon_mode = 1; | |
04b33055 | 1091 | |
e1464ca7 | 1092 | setup_path(); |
04b33055 | 1093 | |
9812f213 | 1094 | dir = argv[0]; |
113b9475 | 1095 | |
8d630132 | 1096 | if (!enter_repo(dir, strict)) |
05ac6b34 | 1097 | die("'%s' does not appear to be a git repository", dir); |
ad491366 | 1098 | |
daebaa78 | 1099 | git_config(upload_pack_config, NULL); |
aa9bab29 BW |
1100 | |
1101 | switch (determine_protocol_version_server()) { | |
1102 | case protocol_v1: | |
1103 | /* | |
1104 | * v1 is just the original protocol with a version string, | |
1105 | * so just fall through after writing the version string. | |
1106 | */ | |
1107 | if (advertise_refs || !stateless_rpc) | |
1108 | packet_write_fmt(1, "version 1\n"); | |
1109 | ||
1110 | /* fallthrough */ | |
1111 | case protocol_v0: | |
1112 | upload_pack(); | |
1113 | break; | |
1114 | case protocol_unknown_version: | |
1115 | BUG("unknown protocol version"); | |
1116 | } | |
1117 | ||
def88e9a LT |
1118 | return 0; |
1119 | } |