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