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Commit | Line | Data |
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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" |
109cd76d | 6 | #include "repository.h" |
cbd53a21 | 7 | #include "object-store.h" |
f6b42a81 JH |
8 | #include "tag.h" |
9 | #include "object.h" | |
f0243f26 | 10 | #include "commit.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" |
569e554b | 21 | #include "argv-array.h" |
5411b10c | 22 | #include "prio-queue.h" |
aa9bab29 | 23 | #include "protocol.h" |
10ac85c7 | 24 | #include "quote.h" |
a3d6b53e | 25 | #include "upload-pack.h" |
3145ea95 | 26 | #include "serve.h" |
829a3215 | 27 | #include "commit-graph.h" |
ba3ca1ed | 28 | #include "commit-reach.h" |
120ad2b0 | 29 | #include "shallow.h" |
def88e9a | 30 | |
208acbfb | 31 | /* Remember to update object flag allocation in object.h */ |
937a515a JH |
32 | #define THEY_HAVE (1u << 11) |
33 | #define OUR_REF (1u << 12) | |
34 | #define WANTED (1u << 13) | |
35 | #define COMMON_KNOWN (1u << 14) | |
937a515a | 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 | |
d1035cac JT |
42 | #define ALL_FLAGS (THEY_HAVE | OUR_REF | WANTED | COMMON_KNOWN | SHALLOW | \ |
43 | NOT_SHALLOW | CLIENT_SHALLOW | HIDDEN_REF) | |
44 | ||
dddbad72 | 45 | static timestamp_t oldest_have; |
937a515a | 46 | |
7199c093 FM |
47 | /* Allow specifying sha1 if it is a ref tip. */ |
48 | #define ALLOW_TIP_SHA1 01 | |
68ee6289 FM |
49 | /* Allow request of a sha1 if it is reachable from a ref (possibly hidden ref). */ |
50 | #define ALLOW_REACHABLE_SHA1 02 | |
f8edeaa0 DT |
51 | /* Allow request of any sha1. Implies ALLOW_TIP_SHA1 and ALLOW_REACHABLE_SHA1. */ |
52 | #define ALLOW_ANY_SHA1 07 | |
7199c093 | 53 | static unsigned int allow_unadvertised_object_request; |
960deccb | 54 | |
a8497288 CC |
55 | /* |
56 | * Please annotate, and if possible group together, fields used only | |
57 | * for protocol v0 or only for protocol v2. | |
58 | */ | |
e8498322 | 59 | struct upload_pack_data { |
a8497288 | 60 | struct string_list symref; /* v0 only */ |
e8498322 CC |
61 | struct object_array want_obj; |
62 | struct object_array have_obj; | |
a8497288 CC |
63 | struct oid_array haves; /* v2 only */ |
64 | struct string_list wanted_refs; /* v2 only */ | |
e8498322 CC |
65 | |
66 | struct object_array shallows; | |
67 | struct string_list deepen_not; | |
de0e9f74 | 68 | struct object_array extra_edge_obj; |
e8498322 CC |
69 | int depth; |
70 | timestamp_t deepen_since; | |
71 | int deepen_rev_list; | |
72 | int deepen_relative; | |
f203a88c | 73 | int keepalive; |
35b43a10 | 74 | int shallow_nr; |
e8498322 | 75 | |
d40f04e0 | 76 | unsigned int timeout; /* v0 only */ |
e9d882b8 CC |
77 | enum { |
78 | NO_MULTI_ACK = 0, | |
79 | MULTI_ACK = 1, | |
80 | MULTI_ACK_DETAILED = 2 | |
81 | } multi_ack; /* v0 only */ | |
d40f04e0 | 82 | |
f8edd1ca CC |
83 | /* 0 for no sideband, otherwise DEFAULT_PACKET_MAX or LARGE_PACKET_MAX */ |
84 | int use_sideband; | |
85 | ||
e8498322 CC |
86 | struct list_objects_filter_options filter_options; |
87 | ||
88 | struct packet_writer writer; | |
89 | ||
339a9840 CC |
90 | const char *pack_objects_hook; |
91 | ||
a8497288 | 92 | unsigned stateless_rpc : 1; /* v0 only */ |
d40f04e0 CC |
93 | unsigned no_done : 1; /* v0 only */ |
94 | unsigned daemon_mode : 1; /* v0 only */ | |
59a90261 | 95 | unsigned filter_capability_requested : 1; /* v0 only */ |
e8498322 CC |
96 | |
97 | unsigned use_thin_pack : 1; | |
98 | unsigned use_ofs_delta : 1; | |
99 | unsigned no_progress : 1; | |
100 | unsigned use_include_tag : 1; | |
59abe196 | 101 | unsigned allow_filter : 1; |
a8497288 CC |
102 | |
103 | unsigned done : 1; /* v2 only */ | |
d1d7a945 | 104 | unsigned allow_ref_in_want : 1; /* v2 only */ |
e3835cd4 | 105 | unsigned allow_sideband_all : 1; /* v2 only */ |
e8498322 CC |
106 | }; |
107 | ||
108 | static void upload_pack_data_init(struct upload_pack_data *data) | |
109 | { | |
438528f6 | 110 | struct string_list symref = STRING_LIST_INIT_DUP; |
e8498322 CC |
111 | struct string_list wanted_refs = STRING_LIST_INIT_DUP; |
112 | struct object_array want_obj = OBJECT_ARRAY_INIT; | |
113 | struct object_array have_obj = OBJECT_ARRAY_INIT; | |
114 | struct oid_array haves = OID_ARRAY_INIT; | |
115 | struct object_array shallows = OBJECT_ARRAY_INIT; | |
116 | struct string_list deepen_not = STRING_LIST_INIT_DUP; | |
de0e9f74 | 117 | struct object_array extra_edge_obj = OBJECT_ARRAY_INIT; |
e8498322 CC |
118 | |
119 | memset(data, 0, sizeof(*data)); | |
438528f6 | 120 | data->symref = symref; |
e8498322 CC |
121 | data->wanted_refs = wanted_refs; |
122 | data->want_obj = want_obj; | |
123 | data->have_obj = have_obj; | |
124 | data->haves = haves; | |
125 | data->shallows = shallows; | |
126 | data->deepen_not = deepen_not; | |
de0e9f74 | 127 | data->extra_edge_obj = extra_edge_obj; |
e8498322 | 128 | packet_writer_init(&data->writer, 1); |
f203a88c CC |
129 | |
130 | data->keepalive = 5; | |
e8498322 CC |
131 | } |
132 | ||
133 | static void upload_pack_data_clear(struct upload_pack_data *data) | |
134 | { | |
438528f6 | 135 | string_list_clear(&data->symref, 1); |
e8498322 CC |
136 | string_list_clear(&data->wanted_refs, 1); |
137 | object_array_clear(&data->want_obj); | |
138 | object_array_clear(&data->have_obj); | |
139 | oid_array_clear(&data->haves); | |
140 | object_array_clear(&data->shallows); | |
141 | string_list_clear(&data->deepen_not, 0); | |
de0e9f74 | 142 | object_array_clear(&data->extra_edge_obj); |
e8498322 | 143 | list_objects_filter_release(&data->filter_options); |
339a9840 CC |
144 | |
145 | free((char *)data->pack_objects_hook); | |
e8498322 CC |
146 | } |
147 | ||
d40f04e0 | 148 | static void reset_timeout(unsigned int timeout) |
960deccb PA |
149 | { |
150 | alarm(timeout); | |
151 | } | |
fb9040cc | 152 | |
f8edd1ca CC |
153 | static void send_client_data(int fd, const char *data, ssize_t sz, |
154 | int use_sideband) | |
583b7ea3 | 155 | { |
4c4b7d1d LF |
156 | if (use_sideband) { |
157 | send_sideband(1, fd, data, sz, use_sideband); | |
fcf0fe9e | 158 | return; |
4c4b7d1d | 159 | } |
958c24b1 JH |
160 | if (fd == 3) |
161 | /* emergency quit */ | |
162 | fd = 2; | |
163 | if (fd == 2) { | |
93822c22 | 164 | /* XXX: are we happy to lose stuff here? */ |
958c24b1 | 165 | xwrite(fd, data, sz); |
fcf0fe9e | 166 | return; |
583b7ea3 | 167 | } |
cdf4fb8e | 168 | write_or_die(fd, data, sz); |
583b7ea3 JH |
169 | } |
170 | ||
b790e0f6 NTND |
171 | static int write_one_shallow(const struct commit_graft *graft, void *cb_data) |
172 | { | |
173 | FILE *fp = cb_data; | |
174 | if (graft->nr_parent == -1) | |
7683e2e6 | 175 | fprintf(fp, "--shallow %s\n", oid_to_hex(&graft->oid)); |
b790e0f6 NTND |
176 | return 0; |
177 | } | |
178 | ||
c9f03259 | 179 | static void create_pack_file(struct upload_pack_data *pack_data) |
fb9040cc | 180 | { |
d3180279 | 181 | struct child_process pack_objects = CHILD_PROCESS_INIT; |
363b7817 | 182 | char data[8193], progress[128]; |
583b7ea3 JH |
183 | char abort_msg[] = "aborting due to possible repository " |
184 | "corruption on the remote side."; | |
b1c71b72 | 185 | int buffered = -1; |
1456b043 | 186 | ssize_t sz; |
65a3629e | 187 | int i; |
cdab4858 | 188 | FILE *pipe_fd; |
75bfc6c2 | 189 | |
339a9840 | 190 | if (!pack_data->pack_objects_hook) |
20b20a22 JK |
191 | pack_objects.git_cmd = 1; |
192 | else { | |
339a9840 | 193 | argv_array_push(&pack_objects.args, pack_data->pack_objects_hook); |
20b20a22 JK |
194 | argv_array_push(&pack_objects.args, "git"); |
195 | pack_objects.use_shell = 1; | |
196 | } | |
197 | ||
35b43a10 | 198 | if (pack_data->shallow_nr) { |
65a3629e MP |
199 | argv_array_push(&pack_objects.args, "--shallow-file"); |
200 | argv_array_push(&pack_objects.args, ""); | |
f0cea83f | 201 | } |
65a3629e MP |
202 | argv_array_push(&pack_objects.args, "pack-objects"); |
203 | argv_array_push(&pack_objects.args, "--revs"); | |
b5a2068c | 204 | if (pack_data->use_thin_pack) |
65a3629e | 205 | argv_array_push(&pack_objects.args, "--thin"); |
75bfc6c2 | 206 | |
65a3629e | 207 | argv_array_push(&pack_objects.args, "--stdout"); |
35b43a10 | 208 | if (pack_data->shallow_nr) |
65a3629e | 209 | argv_array_push(&pack_objects.args, "--shallow"); |
b5a2068c | 210 | if (!pack_data->no_progress) |
65a3629e | 211 | argv_array_push(&pack_objects.args, "--progress"); |
b5a2068c | 212 | if (pack_data->use_ofs_delta) |
65a3629e | 213 | argv_array_push(&pack_objects.args, "--delta-base-offset"); |
b5a2068c | 214 | if (pack_data->use_include_tag) |
65a3629e | 215 | argv_array_push(&pack_objects.args, "--include-tag"); |
c9f03259 | 216 | if (pack_data->filter_options.choice) { |
cf9ceb5a | 217 | const char *spec = |
c9f03259 | 218 | expand_list_objects_filter_spec(&pack_data->filter_options); |
0b6069fe JT |
219 | if (pack_objects.use_shell) { |
220 | struct strbuf buf = STRBUF_INIT; | |
cf9ceb5a | 221 | sq_quote_buf(&buf, spec); |
0b6069fe JT |
222 | argv_array_pushf(&pack_objects.args, "--filter=%s", buf.buf); |
223 | strbuf_release(&buf); | |
224 | } else { | |
225 | argv_array_pushf(&pack_objects.args, "--filter=%s", | |
cf9ceb5a | 226 | spec); |
0b6069fe | 227 | } |
10ac85c7 | 228 | } |
cc41fa8d | 229 | |
b9612197 | 230 | pack_objects.in = -1; |
cc41fa8d JS |
231 | pack_objects.out = -1; |
232 | pack_objects.err = -1; | |
21edd3f1 | 233 | |
4c324c00 | 234 | if (start_command(&pack_objects)) |
7e44c935 | 235 | die("git upload-pack: unable to fork git-pack-objects"); |
b1c71b72 | 236 | |
cdab4858 NTND |
237 | pipe_fd = xfdopen(pack_objects.in, "w"); |
238 | ||
35b43a10 | 239 | if (pack_data->shallow_nr) |
b790e0f6 NTND |
240 | for_each_commit_graft(write_one_shallow, pipe_fd); |
241 | ||
c9f03259 | 242 | for (i = 0; i < pack_data->want_obj.nr; i++) |
cdab4858 | 243 | fprintf(pipe_fd, "%s\n", |
c9f03259 | 244 | oid_to_hex(&pack_data->want_obj.objects[i].item->oid)); |
cdab4858 | 245 | fprintf(pipe_fd, "--not\n"); |
c9f03259 | 246 | for (i = 0; i < pack_data->have_obj.nr; i++) |
cdab4858 | 247 | fprintf(pipe_fd, "%s\n", |
c9f03259 | 248 | oid_to_hex(&pack_data->have_obj.objects[i].item->oid)); |
de0e9f74 | 249 | for (i = 0; i < pack_data->extra_edge_obj.nr; i++) |
cdab4858 | 250 | fprintf(pipe_fd, "%s\n", |
de0e9f74 | 251 | oid_to_hex(&pack_data->extra_edge_obj.objects[i].item->oid)); |
cdab4858 NTND |
252 | fprintf(pipe_fd, "\n"); |
253 | fflush(pipe_fd); | |
254 | fclose(pipe_fd); | |
f0cea83f | 255 | |
cc41fa8d JS |
256 | /* We read from pack_objects.err to capture stderr output for |
257 | * progress bar, and pack_objects.out to capture the pack data. | |
b1c71b72 | 258 | */ |
b1c71b72 JH |
259 | |
260 | while (1) { | |
b1c71b72 | 261 | struct pollfd pfd[2]; |
f203a88c | 262 | int pe, pu, pollsize, polltimeout; |
05e95155 | 263 | int ret; |
b1c71b72 | 264 | |
d40f04e0 | 265 | reset_timeout(pack_data->timeout); |
0d516ada | 266 | |
b1c71b72 | 267 | pollsize = 0; |
363b7817 | 268 | pe = pu = -1; |
b1c71b72 | 269 | |
cc41fa8d JS |
270 | if (0 <= pack_objects.out) { |
271 | pfd[pollsize].fd = pack_objects.out; | |
b1c71b72 JH |
272 | pfd[pollsize].events = POLLIN; |
273 | pu = pollsize; | |
274 | pollsize++; | |
275 | } | |
cc41fa8d JS |
276 | if (0 <= pack_objects.err) { |
277 | pfd[pollsize].fd = pack_objects.err; | |
363b7817 JH |
278 | pfd[pollsize].events = POLLIN; |
279 | pe = pollsize; | |
280 | pollsize++; | |
281 | } | |
b1c71b72 | 282 | |
4c324c00 JS |
283 | if (!pollsize) |
284 | break; | |
285 | ||
f203a88c CC |
286 | polltimeout = pack_data->keepalive < 0 |
287 | ? -1 | |
288 | : 1000 * pack_data->keepalive; | |
289 | ||
290 | ret = poll(pfd, pollsize, polltimeout); | |
6c71f8b0 | 291 | |
05e95155 | 292 | if (ret < 0) { |
4c324c00 | 293 | if (errno != EINTR) { |
d2b6afa2 | 294 | error_errno("poll failed, resuming"); |
4c324c00 | 295 | sleep(1); |
b1c71b72 | 296 | } |
4c324c00 JS |
297 | continue; |
298 | } | |
6b59f51b NP |
299 | if (0 <= pe && (pfd[pe].revents & (POLLIN|POLLHUP))) { |
300 | /* Status ready; we ship that in the side-band | |
301 | * or dump to the standard error. | |
302 | */ | |
303 | sz = xread(pack_objects.err, progress, | |
304 | sizeof(progress)); | |
305 | if (0 < sz) | |
f8edd1ca CC |
306 | send_client_data(2, progress, sz, |
307 | pack_data->use_sideband); | |
6b59f51b NP |
308 | else if (sz == 0) { |
309 | close(pack_objects.err); | |
310 | pack_objects.err = -1; | |
311 | } | |
312 | else | |
313 | goto fail; | |
314 | /* give priority to status messages */ | |
315 | continue; | |
316 | } | |
4c324c00 JS |
317 | if (0 <= pu && (pfd[pu].revents & (POLLIN|POLLHUP))) { |
318 | /* Data ready; we keep the last byte to ourselves | |
319 | * in case we detect broken rev-list, so that we | |
320 | * can leave the stream corrupted. This is | |
321 | * unfortunate -- unpack-objects would happily | |
322 | * accept a valid packdata with trailing garbage, | |
323 | * so appending garbage after we pass all the | |
324 | * pack data is not good enough to signal | |
325 | * breakage to downstream. | |
326 | */ | |
327 | char *cp = data; | |
328 | ssize_t outsz = 0; | |
329 | if (0 <= buffered) { | |
330 | *cp++ = buffered; | |
331 | outsz++; | |
b1c71b72 | 332 | } |
4c324c00 JS |
333 | sz = xread(pack_objects.out, cp, |
334 | sizeof(data) - outsz); | |
335 | if (0 < sz) | |
1456b043 | 336 | ; |
4c324c00 JS |
337 | else if (sz == 0) { |
338 | close(pack_objects.out); | |
339 | pack_objects.out = -1; | |
363b7817 | 340 | } |
4c324c00 JS |
341 | else |
342 | goto fail; | |
343 | sz += outsz; | |
344 | if (1 < sz) { | |
345 | buffered = data[sz-1] & 0xFF; | |
346 | sz--; | |
b1c71b72 | 347 | } |
4c324c00 JS |
348 | else |
349 | buffered = -1; | |
f8edd1ca CC |
350 | send_client_data(1, data, sz, |
351 | pack_data->use_sideband); | |
4c324c00 | 352 | } |
05e95155 JK |
353 | |
354 | /* | |
355 | * We hit the keepalive timeout without saying anything; send | |
356 | * an empty message on the data sideband just to let the other | |
357 | * side know we're still working on it, but don't have any data | |
358 | * yet. | |
359 | * | |
360 | * If we don't have a sideband channel, there's no room in the | |
361 | * protocol to say anything, so those clients are just out of | |
362 | * luck. | |
363 | */ | |
f8edd1ca | 364 | if (!ret && pack_data->use_sideband) { |
05e95155 JK |
365 | static const char buf[] = "0005\1"; |
366 | write_or_die(1, buf, 5); | |
367 | } | |
4c324c00 | 368 | } |
b1c71b72 | 369 | |
4c324c00 | 370 | if (finish_command(&pack_objects)) { |
7e44c935 | 371 | error("git upload-pack: git-pack-objects died with error."); |
4c324c00 JS |
372 | goto fail; |
373 | } | |
b1c71b72 | 374 | |
4c324c00 JS |
375 | /* flush the data */ |
376 | if (0 <= buffered) { | |
377 | data[0] = buffered; | |
f8edd1ca CC |
378 | send_client_data(1, data, 1, |
379 | pack_data->use_sideband); | |
4c324c00 | 380 | fprintf(stderr, "flushed.\n"); |
b1c71b72 | 381 | } |
f8edd1ca | 382 | if (pack_data->use_sideband) |
4c324c00 JS |
383 | packet_flush(1); |
384 | return; | |
385 | ||
b1c71b72 | 386 | fail: |
f8edd1ca CC |
387 | send_client_data(3, abort_msg, sizeof(abort_msg), |
388 | pack_data->use_sideband); | |
7e44c935 | 389 | die("git upload-pack: %s", abort_msg); |
fb9040cc LT |
390 | } |
391 | ||
0b9333ff JT |
392 | static int got_oid(const char *hex, struct object_id *oid, |
393 | struct object_array *have_obj) | |
def88e9a | 394 | { |
b1e9fff7 | 395 | struct object *o; |
937a515a | 396 | int we_knew_they_have = 0; |
b1e9fff7 | 397 | |
cf93982f | 398 | if (get_oid_hex(hex, oid)) |
7e44c935 | 399 | die("git upload-pack: expected SHA1 object, got '%s'", hex); |
cf93982f | 400 | if (!has_object_file(oid)) |
937a515a | 401 | return -1; |
b1e9fff7 | 402 | |
109cd76d | 403 | o = parse_object(the_repository, oid); |
b1e9fff7 | 404 | if (!o) |
cf93982f | 405 | die("oops (%s)", oid_to_hex(oid)); |
182a8dab | 406 | if (o->type == OBJ_COMMIT) { |
b1e9fff7 | 407 | struct commit_list *parents; |
937a515a | 408 | struct commit *commit = (struct commit *)o; |
b1e9fff7 | 409 | if (o->flags & THEY_HAVE) |
937a515a JH |
410 | we_knew_they_have = 1; |
411 | else | |
412 | o->flags |= THEY_HAVE; | |
413 | if (!oldest_have || (commit->date < oldest_have)) | |
414 | oldest_have = commit->date; | |
415 | for (parents = commit->parents; | |
b1e9fff7 JH |
416 | parents; |
417 | parents = parents->next) | |
418 | parents->item->object.flags |= THEY_HAVE; | |
fb9040cc | 419 | } |
937a515a | 420 | if (!we_knew_they_have) { |
0b9333ff | 421 | add_object_array(o, NULL, have_obj); |
937a515a JH |
422 | return 1; |
423 | } | |
424 | return 0; | |
425 | } | |
426 | ||
1d1243fe JT |
427 | static int ok_to_give_up(const struct object_array *have_obj, |
428 | struct object_array *want_obj) | |
937a515a | 429 | { |
4fbcca4e | 430 | uint32_t min_generation = GENERATION_NUMBER_ZERO; |
937a515a | 431 | |
0b9333ff | 432 | if (!have_obj->nr) |
937a515a JH |
433 | return 0; |
434 | ||
1d1243fe | 435 | return can_all_from_reach_with_flag(want_obj, THEY_HAVE, |
4fbcca4e DS |
436 | COMMON_KNOWN, oldest_have, |
437 | min_generation); | |
def88e9a LT |
438 | } |
439 | ||
07977695 CC |
440 | static int get_common_commits(struct upload_pack_data *data, |
441 | struct packet_reader *reader) | |
def88e9a | 442 | { |
cf93982f | 443 | struct object_id oid; |
444 | char last_hex[GIT_MAX_HEXSZ + 1]; | |
49bee717 SP |
445 | int got_common = 0; |
446 | int got_other = 0; | |
4e10cf9a | 447 | int sent_ready = 0; |
def88e9a | 448 | |
f0243f26 JS |
449 | save_commit_buffer = 0; |
450 | ||
eeefa7c9 | 451 | for (;;) { |
8bf3b758 NTND |
452 | const char *arg; |
453 | ||
d40f04e0 | 454 | reset_timeout(data->timeout); |
def88e9a | 455 | |
01f9ec64 | 456 | if (packet_reader_read(reader) != PACKET_READ_NORMAL) { |
e9d882b8 | 457 | if (data->multi_ack == MULTI_ACK_DETAILED |
07977695 CC |
458 | && got_common |
459 | && !got_other | |
460 | && ok_to_give_up(&data->have_obj, &data->want_obj)) { | |
4e10cf9a | 461 | sent_ready = 1; |
81c634e9 | 462 | packet_write_fmt(1, "ACK %s ready\n", last_hex); |
4e10cf9a | 463 | } |
53d69506 | 464 | if (data->have_obj.nr == 0 || data->multi_ack) |
81c634e9 | 465 | packet_write_fmt(1, "NAK\n"); |
4e10cf9a | 466 | |
d40f04e0 | 467 | if (data->no_done && sent_ready) { |
81c634e9 | 468 | packet_write_fmt(1, "ACK %s\n", last_hex); |
4e10cf9a JH |
469 | return 0; |
470 | } | |
df654abc | 471 | if (data->stateless_rpc) |
42526b47 | 472 | exit(0); |
49bee717 SP |
473 | got_common = 0; |
474 | got_other = 0; | |
def88e9a LT |
475 | continue; |
476 | } | |
01f9ec64 | 477 | if (skip_prefix(reader->line, "have ", &arg)) { |
07977695 | 478 | switch (got_oid(arg, &oid, &data->have_obj)) { |
937a515a | 479 | case -1: /* they have what we do not */ |
49bee717 | 480 | got_other = 1; |
53d69506 | 481 | if (data->multi_ack |
07977695 | 482 | && ok_to_give_up(&data->have_obj, &data->want_obj)) { |
cf93982f | 483 | const char *hex = oid_to_hex(&oid); |
e9d882b8 | 484 | if (data->multi_ack == MULTI_ACK_DETAILED) { |
4e10cf9a | 485 | sent_ready = 1; |
81c634e9 | 486 | packet_write_fmt(1, "ACK %s ready\n", hex); |
4e10cf9a | 487 | } else |
81c634e9 | 488 | packet_write_fmt(1, "ACK %s continue\n", hex); |
78affc49 | 489 | } |
937a515a JH |
490 | break; |
491 | default: | |
49bee717 | 492 | got_common = 1; |
55dc227d | 493 | oid_to_hex_r(last_hex, &oid); |
e9d882b8 | 494 | if (data->multi_ack == MULTI_ACK_DETAILED) |
81c634e9 | 495 | packet_write_fmt(1, "ACK %s common\n", last_hex); |
53d69506 | 496 | else if (data->multi_ack) |
81c634e9 | 497 | packet_write_fmt(1, "ACK %s continue\n", last_hex); |
07977695 | 498 | else if (data->have_obj.nr == 1) |
81c634e9 | 499 | packet_write_fmt(1, "ACK %s\n", last_hex); |
937a515a | 500 | break; |
af2d3aa4 | 501 | } |
def88e9a LT |
502 | continue; |
503 | } | |
01f9ec64 | 504 | if (!strcmp(reader->line, "done")) { |
07977695 | 505 | if (data->have_obj.nr > 0) { |
53d69506 | 506 | if (data->multi_ack) |
81c634e9 | 507 | packet_write_fmt(1, "ACK %s\n", last_hex); |
1bd8c8f0 JS |
508 | return 0; |
509 | } | |
81c634e9 | 510 | packet_write_fmt(1, "NAK\n"); |
def88e9a LT |
511 | return -1; |
512 | } | |
01f9ec64 | 513 | die("git upload-pack: expected SHA1 list, got '%s'", reader->line); |
def88e9a | 514 | } |
def88e9a LT |
515 | } |
516 | ||
390eb36b JH |
517 | static int is_our_ref(struct object *o) |
518 | { | |
68ee6289 FM |
519 | int allow_hidden_ref = (allow_unadvertised_object_request & |
520 | (ALLOW_TIP_SHA1 | ALLOW_REACHABLE_SHA1)); | |
7199c093 | 521 | return o->flags & ((allow_hidden_ref ? HIDDEN_REF : 0) | OUR_REF); |
390eb36b JH |
522 | } |
523 | ||
2997178e NTND |
524 | /* |
525 | * on successful case, it's up to the caller to close cmd->out | |
526 | */ | |
527 | static int do_reachable_revlist(struct child_process *cmd, | |
079aa97e NTND |
528 | struct object_array *src, |
529 | struct object_array *reachable) | |
051e4005 JH |
530 | { |
531 | static const char *argv[] = { | |
532 | "rev-list", "--stdin", NULL, | |
533 | }; | |
051e4005 | 534 | struct object *o; |
55dc227d | 535 | char namebuf[GIT_MAX_HEXSZ + 2]; /* ^ + hash + LF */ |
051e4005 | 536 | int i; |
f690b6b0 | 537 | const unsigned hexsz = the_hash_algo->hexsz; |
051e4005 | 538 | |
2997178e NTND |
539 | cmd->argv = argv; |
540 | cmd->git_cmd = 1; | |
541 | cmd->no_stderr = 1; | |
542 | cmd->in = -1; | |
543 | cmd->out = -1; | |
051e4005 JH |
544 | |
545 | /* | |
7fcbd37f NTND |
546 | * If the next rev-list --stdin encounters an unknown commit, |
547 | * it terminates, which will cause SIGPIPE in the write loop | |
051e4005 JH |
548 | * below. |
549 | */ | |
550 | sigchain_push(SIGPIPE, SIG_IGN); | |
551 | ||
2997178e | 552 | if (start_command(cmd)) |
7fcbd37f NTND |
553 | goto error; |
554 | ||
051e4005 | 555 | namebuf[0] = '^'; |
f690b6b0 | 556 | namebuf[hexsz + 1] = '\n'; |
051e4005 JH |
557 | for (i = get_max_object_index(); 0 < i; ) { |
558 | o = get_indexed_object(--i); | |
2a745324 BH |
559 | if (!o) |
560 | continue; | |
079aa97e NTND |
561 | if (reachable && o->type == OBJ_COMMIT) |
562 | o->flags &= ~TMP_MARK; | |
390eb36b | 563 | if (!is_our_ref(o)) |
051e4005 | 564 | continue; |
f690b6b0 | 565 | memcpy(namebuf + 1, oid_to_hex(&o->oid), hexsz); |
566 | if (write_in_full(cmd->in, namebuf, hexsz + 2) < 0) | |
051e4005 JH |
567 | goto error; |
568 | } | |
f690b6b0 | 569 | namebuf[hexsz] = '\n'; |
3f0f6624 NTND |
570 | for (i = 0; i < src->nr; i++) { |
571 | o = src->objects[i].item; | |
079aa97e NTND |
572 | if (is_our_ref(o)) { |
573 | if (reachable) | |
574 | add_object_array(o, NULL, reachable); | |
051e4005 | 575 | continue; |
079aa97e NTND |
576 | } |
577 | if (reachable && o->type == OBJ_COMMIT) | |
578 | o->flags |= TMP_MARK; | |
f690b6b0 | 579 | memcpy(namebuf, oid_to_hex(&o->oid), hexsz); |
580 | if (write_in_full(cmd->in, namebuf, hexsz + 1) < 0) | |
051e4005 JH |
581 | goto error; |
582 | } | |
2997178e NTND |
583 | close(cmd->in); |
584 | cmd->in = -1; | |
585 | sigchain_pop(SIGPIPE); | |
051e4005 | 586 | |
2997178e NTND |
587 | return 0; |
588 | ||
589 | error: | |
051e4005 JH |
590 | sigchain_pop(SIGPIPE); |
591 | ||
2997178e NTND |
592 | if (cmd->in >= 0) |
593 | close(cmd->in); | |
594 | if (cmd->out >= 0) | |
595 | close(cmd->out); | |
596 | return -1; | |
597 | } | |
598 | ||
079aa97e NTND |
599 | static int get_reachable_list(struct object_array *src, |
600 | struct object_array *reachable) | |
601 | { | |
602 | struct child_process cmd = CHILD_PROCESS_INIT; | |
603 | int i; | |
604 | struct object *o; | |
55dc227d | 605 | char namebuf[GIT_MAX_HEXSZ + 2]; /* ^ + hash + LF */ |
606 | const unsigned hexsz = the_hash_algo->hexsz; | |
079aa97e NTND |
607 | |
608 | if (do_reachable_revlist(&cmd, src, reachable) < 0) | |
609 | return -1; | |
610 | ||
55dc227d | 611 | while ((i = read_in_full(cmd.out, namebuf, hexsz + 1)) == hexsz + 1) { |
62b89d43 | 612 | struct object_id oid; |
55dc227d | 613 | const char *p; |
079aa97e | 614 | |
62b89d43 | 615 | if (parse_oid_hex(namebuf, &oid, &p) || *p != '\n') |
079aa97e NTND |
616 | break; |
617 | ||
d0229abd | 618 | o = lookup_object(the_repository, &oid); |
079aa97e NTND |
619 | if (o && o->type == OBJ_COMMIT) { |
620 | o->flags &= ~TMP_MARK; | |
621 | } | |
622 | } | |
623 | for (i = get_max_object_index(); 0 < i; i--) { | |
624 | o = get_indexed_object(i - 1); | |
625 | if (o && o->type == OBJ_COMMIT && | |
626 | (o->flags & TMP_MARK)) { | |
627 | add_object_array(o, NULL, reachable); | |
628 | o->flags &= ~TMP_MARK; | |
629 | } | |
630 | } | |
631 | close(cmd.out); | |
632 | ||
633 | if (finish_command(&cmd)) | |
634 | return -1; | |
635 | ||
636 | return 0; | |
637 | } | |
638 | ||
2997178e NTND |
639 | static int has_unreachable(struct object_array *src) |
640 | { | |
641 | struct child_process cmd = CHILD_PROCESS_INIT; | |
642 | char buf[1]; | |
643 | int i; | |
644 | ||
079aa97e | 645 | if (do_reachable_revlist(&cmd, src, NULL) < 0) |
2997178e | 646 | return 1; |
051e4005 JH |
647 | |
648 | /* | |
649 | * The commits out of the rev-list are not ancestors of | |
650 | * our ref. | |
651 | */ | |
2997178e | 652 | i = read_in_full(cmd.out, buf, 1); |
051e4005 JH |
653 | if (i) |
654 | goto error; | |
655 | close(cmd.out); | |
7fcbd37f | 656 | cmd.out = -1; |
051e4005 JH |
657 | |
658 | /* | |
659 | * rev-list may have died by encountering a bad commit | |
660 | * in the history, in which case we do want to bail out | |
661 | * even when it showed no commit. | |
662 | */ | |
663 | if (finish_command(&cmd)) | |
664 | goto error; | |
665 | ||
666 | /* All the non-tip ones are ancestors of what we advertised */ | |
3f0f6624 | 667 | return 0; |
051e4005 JH |
668 | |
669 | error: | |
7fcbd37f | 670 | sigchain_pop(SIGPIPE); |
7fcbd37f NTND |
671 | if (cmd.out >= 0) |
672 | close(cmd.out); | |
3f0f6624 NTND |
673 | return 1; |
674 | } | |
7fcbd37f | 675 | |
b08c9742 | 676 | static void check_non_tip(struct upload_pack_data *data) |
3f0f6624 NTND |
677 | { |
678 | int i; | |
679 | ||
680 | /* | |
681 | * In the normal in-process case without | |
682 | * uploadpack.allowReachableSHA1InWant, | |
683 | * non-tip requests can never happen. | |
684 | */ | |
df654abc CC |
685 | if (!data->stateless_rpc |
686 | && !(allow_unadvertised_object_request & ALLOW_REACHABLE_SHA1)) | |
3f0f6624 | 687 | goto error; |
b08c9742 | 688 | if (!has_unreachable(&data->want_obj)) |
3f0f6624 NTND |
689 | /* All the non-tip ones are ancestors of what we advertised */ |
690 | return; | |
051e4005 JH |
691 | |
692 | error: | |
693 | /* Pick one of them (we know there at least is one) */ | |
b08c9742 CC |
694 | for (i = 0; i < data->want_obj.nr; i++) { |
695 | struct object *o = data->want_obj.objects[i].item; | |
014ade74 | 696 | if (!is_our_ref(o)) { |
b08c9742 | 697 | packet_writer_error(&data->writer, |
014ade74 JK |
698 | "upload-pack: not our ref %s", |
699 | oid_to_hex(&o->oid)); | |
051e4005 | 700 | die("git upload-pack: not our ref %s", |
f2fd0760 | 701 | oid_to_hex(&o->oid)); |
014ade74 | 702 | } |
051e4005 JH |
703 | } |
704 | } | |
705 | ||
35b43a10 | 706 | static void send_shallow(struct upload_pack_data *data, |
bc2e795c | 707 | struct commit_list *result) |
5c24cdea NTND |
708 | { |
709 | while (result) { | |
710 | struct object *object = &result->item->object; | |
711 | if (!(object->flags & (CLIENT_SHALLOW|NOT_SHALLOW))) { | |
35b43a10 | 712 | packet_writer_write(&data->writer, "shallow %s", |
bc2e795c | 713 | oid_to_hex(&object->oid)); |
19143f13 | 714 | register_shallow(the_repository, &object->oid); |
35b43a10 | 715 | data->shallow_nr++; |
5c24cdea NTND |
716 | } |
717 | result = result->next; | |
718 | } | |
719 | } | |
720 | ||
329f9960 | 721 | static void send_unshallow(struct upload_pack_data *data) |
e8e44de7 | 722 | { |
e8e44de7 | 723 | int i; |
873700c9 | 724 | |
329f9960 CC |
725 | for (i = 0; i < data->shallows.nr; i++) { |
726 | struct object *object = data->shallows.objects[i].item; | |
e8e44de7 NTND |
727 | if (object->flags & NOT_SHALLOW) { |
728 | struct commit_list *parents; | |
329f9960 | 729 | packet_writer_write(&data->writer, "unshallow %s", |
bc2e795c | 730 | oid_to_hex(&object->oid)); |
e8e44de7 | 731 | object->flags &= ~CLIENT_SHALLOW; |
873700c9 NTND |
732 | /* |
733 | * We want to _register_ "object" as shallow, but we | |
734 | * also need to traverse object's parents to deepen a | |
735 | * shallow clone. Unregister it for now so we can | |
736 | * parse and add the parents to the want list, then | |
737 | * re-register it. | |
738 | */ | |
e92b848c | 739 | unregister_shallow(&object->oid); |
e8e44de7 NTND |
740 | object->parsed = 0; |
741 | parse_commit_or_die((struct commit *)object); | |
742 | parents = ((struct commit *)object)->parents; | |
743 | while (parents) { | |
744 | add_object_array(&parents->item->object, | |
329f9960 | 745 | NULL, &data->want_obj); |
e8e44de7 NTND |
746 | parents = parents->next; |
747 | } | |
de0e9f74 | 748 | add_object_array(object, NULL, &data->extra_edge_obj); |
e8e44de7 NTND |
749 | } |
750 | /* make sure commit traversal conforms to client */ | |
19143f13 | 751 | register_shallow(the_repository, &object->oid); |
e8e44de7 | 752 | } |
873700c9 NTND |
753 | } |
754 | ||
5056cf4a JT |
755 | static int check_ref(const char *refname_full, const struct object_id *oid, |
756 | int flag, void *cb_data); | |
b1492f22 | 757 | static void deepen(struct upload_pack_data *data, int depth) |
873700c9 | 758 | { |
c8813487 | 759 | if (depth == INFINITE_DEPTH && !is_repository_shallow(the_repository)) { |
873700c9 NTND |
760 | int i; |
761 | ||
b1492f22 CC |
762 | for (i = 0; i < data->shallows.nr; i++) { |
763 | struct object *object = data->shallows.objects[i].item; | |
873700c9 NTND |
764 | object->flags |= NOT_SHALLOW; |
765 | } | |
b1492f22 | 766 | } else if (data->deepen_relative) { |
cccf74e2 NTND |
767 | struct object_array reachable_shallows = OBJECT_ARRAY_INIT; |
768 | struct commit_list *result; | |
769 | ||
5056cf4a JT |
770 | /* |
771 | * Checking for reachable shallows requires that our refs be | |
772 | * marked with OUR_REF. | |
773 | */ | |
774 | head_ref_namespaced(check_ref, NULL); | |
775 | for_each_namespaced_ref(check_ref, NULL); | |
776 | ||
b1492f22 | 777 | get_reachable_list(&data->shallows, &reachable_shallows); |
cccf74e2 NTND |
778 | result = get_shallow_commits(&reachable_shallows, |
779 | depth + 1, | |
780 | SHALLOW, NOT_SHALLOW); | |
35b43a10 | 781 | send_shallow(data, result); |
cccf74e2 NTND |
782 | free_commit_list(result); |
783 | object_array_clear(&reachable_shallows); | |
873700c9 NTND |
784 | } else { |
785 | struct commit_list *result; | |
786 | ||
b1492f22 | 787 | result = get_shallow_commits(&data->want_obj, depth, |
873700c9 | 788 | SHALLOW, NOT_SHALLOW); |
35b43a10 | 789 | send_shallow(data, result); |
873700c9 NTND |
790 | free_commit_list(result); |
791 | } | |
792 | ||
329f9960 | 793 | send_unshallow(data); |
e8e44de7 NTND |
794 | } |
795 | ||
446e42c5 CC |
796 | static void deepen_by_rev_list(struct upload_pack_data *data, |
797 | int ac, | |
798 | const char **av) | |
569e554b NTND |
799 | { |
800 | struct commit_list *result; | |
801 | ||
6abada18 | 802 | disable_commit_graph(the_repository); |
569e554b | 803 | result = get_shallow_commits_by_rev_list(ac, av, SHALLOW, NOT_SHALLOW); |
35b43a10 | 804 | send_shallow(data, result); |
569e554b | 805 | free_commit_list(result); |
329f9960 | 806 | send_unshallow(data); |
685fbd32 BW |
807 | } |
808 | ||
809 | /* Returns 1 if a shallow list is sent or 0 otherwise */ | |
ee703c8a | 810 | static int send_shallow_list(struct upload_pack_data *data) |
685fbd32 BW |
811 | { |
812 | int ret = 0; | |
813 | ||
ee703c8a | 814 | if (data->depth > 0 && data->deepen_rev_list) |
685fbd32 | 815 | die("git upload-pack: deepen and deepen-since (or deepen-not) cannot be used together"); |
ee703c8a | 816 | if (data->depth > 0) { |
b1492f22 | 817 | deepen(data, data->depth); |
685fbd32 | 818 | ret = 1; |
ee703c8a | 819 | } else if (data->deepen_rev_list) { |
685fbd32 BW |
820 | struct argv_array av = ARGV_ARRAY_INIT; |
821 | int i; | |
822 | ||
823 | argv_array_push(&av, "rev-list"); | |
ee703c8a CC |
824 | if (data->deepen_since) |
825 | argv_array_pushf(&av, "--max-age=%"PRItime, data->deepen_since); | |
826 | if (data->deepen_not.nr) { | |
685fbd32 | 827 | argv_array_push(&av, "--not"); |
ee703c8a CC |
828 | for (i = 0; i < data->deepen_not.nr; i++) { |
829 | struct string_list_item *s = data->deepen_not.items + i; | |
685fbd32 BW |
830 | argv_array_push(&av, s->string); |
831 | } | |
832 | argv_array_push(&av, "--not"); | |
833 | } | |
ee703c8a CC |
834 | for (i = 0; i < data->want_obj.nr; i++) { |
835 | struct object *o = data->want_obj.objects[i].item; | |
685fbd32 BW |
836 | argv_array_push(&av, oid_to_hex(&o->oid)); |
837 | } | |
446e42c5 | 838 | deepen_by_rev_list(data, av.argc, av.argv); |
685fbd32 BW |
839 | argv_array_clear(&av); |
840 | ret = 1; | |
841 | } else { | |
ee703c8a | 842 | if (data->shallows.nr > 0) { |
685fbd32 | 843 | int i; |
ee703c8a | 844 | for (i = 0; i < data->shallows.nr; i++) |
00624d60 | 845 | register_shallow(the_repository, |
ee703c8a | 846 | &data->shallows.objects[i].item->oid); |
685fbd32 BW |
847 | } |
848 | } | |
849 | ||
35b43a10 | 850 | data->shallow_nr += data->shallows.nr; |
685fbd32 | 851 | return ret; |
569e554b NTND |
852 | } |
853 | ||
ae2948f3 BW |
854 | static int process_shallow(const char *line, struct object_array *shallows) |
855 | { | |
856 | const char *arg; | |
857 | if (skip_prefix(line, "shallow ", &arg)) { | |
858 | struct object_id oid; | |
859 | struct object *object; | |
860 | if (get_oid_hex(arg, &oid)) | |
861 | die("invalid shallow line: %s", line); | |
109cd76d | 862 | object = parse_object(the_repository, &oid); |
ae2948f3 BW |
863 | if (!object) |
864 | return 1; | |
865 | if (object->type != OBJ_COMMIT) | |
866 | die("invalid shallow object %s", oid_to_hex(&oid)); | |
867 | if (!(object->flags & CLIENT_SHALLOW)) { | |
868 | object->flags |= CLIENT_SHALLOW; | |
869 | add_object_array(object, NULL, shallows); | |
870 | } | |
871 | return 1; | |
872 | } | |
873 | ||
874 | return 0; | |
875 | } | |
876 | ||
877 | static int process_deepen(const char *line, int *depth) | |
878 | { | |
879 | const char *arg; | |
880 | if (skip_prefix(line, "deepen ", &arg)) { | |
881 | char *end = NULL; | |
882 | *depth = (int)strtol(arg, &end, 0); | |
883 | if (!end || *end || *depth <= 0) | |
884 | die("Invalid deepen: %s", line); | |
885 | return 1; | |
886 | } | |
887 | ||
888 | return 0; | |
889 | } | |
890 | ||
891 | static int process_deepen_since(const char *line, timestamp_t *deepen_since, int *deepen_rev_list) | |
892 | { | |
893 | const char *arg; | |
894 | if (skip_prefix(line, "deepen-since ", &arg)) { | |
895 | char *end = NULL; | |
896 | *deepen_since = parse_timestamp(arg, &end, 0); | |
897 | if (!end || *end || !deepen_since || | |
898 | /* revisions.c's max_age -1 is special */ | |
899 | *deepen_since == -1) | |
900 | die("Invalid deepen-since: %s", line); | |
901 | *deepen_rev_list = 1; | |
902 | return 1; | |
903 | } | |
904 | return 0; | |
905 | } | |
906 | ||
907 | static int process_deepen_not(const char *line, struct string_list *deepen_not, int *deepen_rev_list) | |
908 | { | |
909 | const char *arg; | |
910 | if (skip_prefix(line, "deepen-not ", &arg)) { | |
911 | char *ref = NULL; | |
912 | struct object_id oid; | |
0b1dbf53 | 913 | if (expand_ref(the_repository, arg, strlen(arg), &oid, &ref) != 1) |
ae2948f3 BW |
914 | die("git upload-pack: ambiguous deepen-not: %s", line); |
915 | string_list_append(deepen_not, ref); | |
916 | free(ref); | |
917 | *deepen_rev_list = 1; | |
918 | return 1; | |
919 | } | |
920 | return 0; | |
569e554b NTND |
921 | } |
922 | ||
d92ae2c0 CC |
923 | static void receive_needs(struct upload_pack_data *data, |
924 | struct packet_reader *reader) | |
fb9040cc | 925 | { |
051e4005 | 926 | int has_non_tip = 0; |
fb9040cc | 927 | |
35b43a10 | 928 | data->shallow_nr = 0; |
fb9040cc | 929 | for (;;) { |
565ebbf7 | 930 | struct object *o; |
f47182c8 | 931 | const char *features; |
cf93982f | 932 | struct object_id oid_buf; |
8bf3b758 NTND |
933 | const char *arg; |
934 | ||
d40f04e0 | 935 | reset_timeout(data->timeout); |
01f9ec64 | 936 | if (packet_reader_read(reader) != PACKET_READ_NORMAL) |
ed09aef0 | 937 | break; |
e091eb93 | 938 | |
7a516764 | 939 | if (process_shallow(reader->line, &data->shallows)) |
ed09aef0 | 940 | continue; |
7a516764 | 941 | if (process_deepen(reader->line, &data->depth)) |
016e6ccb | 942 | continue; |
7a516764 | 943 | if (process_deepen_since(reader->line, &data->deepen_since, &data->deepen_rev_list)) |
569e554b | 944 | continue; |
7a516764 | 945 | if (process_deepen_not(reader->line, &data->deepen_not, &data->deepen_rev_list)) |
269a7a83 | 946 | continue; |
ae2948f3 | 947 | |
01f9ec64 | 948 | if (skip_prefix(reader->line, "filter ", &arg)) { |
59a90261 | 949 | if (!data->filter_capability_requested) |
10ac85c7 | 950 | die("git upload-pack: filtering capability not negotiated"); |
d92ae2c0 CC |
951 | list_objects_filter_die_if_populated(&data->filter_options); |
952 | parse_list_objects_filter(&data->filter_options, arg); | |
10ac85c7 JH |
953 | continue; |
954 | } | |
9bfa0f9b | 955 | |
01f9ec64 | 956 | if (!skip_prefix(reader->line, "want ", &arg) || |
55dc227d | 957 | parse_oid_hex(arg, &oid_buf, &features)) |
7e44c935 | 958 | die("git upload-pack: protocol error, " |
01f9ec64 | 959 | "expected to get object ID, not '%s'", reader->line); |
f47182c8 | 960 | |
cccf74e2 | 961 | if (parse_feature_request(features, "deepen-relative")) |
7a516764 | 962 | data->deepen_relative = 1; |
f47182c8 | 963 | if (parse_feature_request(features, "multi_ack_detailed")) |
e9d882b8 | 964 | data->multi_ack = MULTI_ACK_DETAILED; |
f47182c8 | 965 | else if (parse_feature_request(features, "multi_ack")) |
e9d882b8 | 966 | data->multi_ack = MULTI_ACK; |
f47182c8 | 967 | if (parse_feature_request(features, "no-done")) |
d40f04e0 | 968 | data->no_done = 1; |
f47182c8 | 969 | if (parse_feature_request(features, "thin-pack")) |
b5a2068c | 970 | data->use_thin_pack = 1; |
f47182c8 | 971 | if (parse_feature_request(features, "ofs-delta")) |
b5a2068c | 972 | data->use_ofs_delta = 1; |
f47182c8 | 973 | if (parse_feature_request(features, "side-band-64k")) |
f8edd1ca | 974 | data->use_sideband = LARGE_PACKET_MAX; |
f47182c8 | 975 | else if (parse_feature_request(features, "side-band")) |
f8edd1ca | 976 | data->use_sideband = DEFAULT_PACKET_MAX; |
f47182c8 | 977 | if (parse_feature_request(features, "no-progress")) |
b5a2068c | 978 | data->no_progress = 1; |
f47182c8 | 979 | if (parse_feature_request(features, "include-tag")) |
b5a2068c | 980 | data->use_include_tag = 1; |
59abe196 CC |
981 | if (data->allow_filter && |
982 | parse_feature_request(features, "filter")) | |
59a90261 | 983 | data->filter_capability_requested = 1; |
565ebbf7 | 984 | |
109cd76d | 985 | o = parse_object(the_repository, &oid_buf); |
bdb31ead | 986 | if (!o) { |
4ace0283 | 987 | packet_writer_error(&data->writer, |
bc2e795c JT |
988 | "upload-pack: not our ref %s", |
989 | oid_to_hex(&oid_buf)); | |
9f9aa761 | 990 | die("git upload-pack: not our ref %s", |
cf93982f | 991 | oid_to_hex(&oid_buf)); |
bdb31ead | 992 | } |
565ebbf7 JH |
993 | if (!(o->flags & WANTED)) { |
994 | o->flags |= WANTED; | |
f8edeaa0 DT |
995 | if (!((allow_unadvertised_object_request & ALLOW_ANY_SHA1) == ALLOW_ANY_SHA1 |
996 | || is_our_ref(o))) | |
051e4005 | 997 | has_non_tip = 1; |
d92ae2c0 | 998 | add_object_array(o, NULL, &data->want_obj); |
565ebbf7 | 999 | } |
fb9040cc | 1000 | } |
9462e3f5 | 1001 | |
051e4005 JH |
1002 | /* |
1003 | * We have sent all our refs already, and the other end | |
1004 | * should have chosen out of them. When we are operating | |
1005 | * in the stateless RPC mode, however, their choice may | |
1006 | * have been based on the set of older refs advertised | |
1007 | * by another process that handled the initial request. | |
1008 | */ | |
1009 | if (has_non_tip) | |
b08c9742 | 1010 | check_non_tip(data); |
051e4005 | 1011 | |
f8edd1ca | 1012 | if (!data->use_sideband && data->daemon_mode) |
b5a2068c | 1013 | data->no_progress = 1; |
9462e3f5 | 1014 | |
7a516764 | 1015 | if (data->depth == 0 && !data->deepen_rev_list && data->shallows.nr == 0) |
f53514bc | 1016 | return; |
569e554b | 1017 | |
ee703c8a | 1018 | if (send_shallow_list(data)) |
685fbd32 | 1019 | packet_flush(1); |
fb9040cc LT |
1020 | } |
1021 | ||
daebaa78 | 1022 | /* return non-zero if the ref is hidden, otherwise 0 */ |
78a766ab LF |
1023 | static int mark_our_ref(const char *refname, const char *refname_full, |
1024 | const struct object_id *oid) | |
cbbe50db | 1025 | { |
0ebbcf70 | 1026 | struct object *o = lookup_unknown_object(oid); |
daebaa78 | 1027 | |
78a766ab | 1028 | if (ref_is_hidden(refname, refname_full)) { |
390eb36b | 1029 | o->flags |= HIDDEN_REF; |
daebaa78 | 1030 | return 1; |
390eb36b | 1031 | } |
3f1da57f | 1032 | o->flags |= OUR_REF; |
cbbe50db JH |
1033 | return 0; |
1034 | } | |
1035 | ||
78a766ab | 1036 | static int check_ref(const char *refname_full, const struct object_id *oid, |
363e98bf | 1037 | int flag, void *cb_data) |
e172755b | 1038 | { |
78a766ab LF |
1039 | const char *refname = strip_namespace(refname_full); |
1040 | ||
1041 | mark_our_ref(refname, refname_full, oid); | |
e172755b JK |
1042 | return 0; |
1043 | } | |
1044 | ||
7171d8c1 JH |
1045 | static void format_symref_info(struct strbuf *buf, struct string_list *symref) |
1046 | { | |
1047 | struct string_list_item *item; | |
1048 | ||
1049 | if (!symref->nr) | |
1050 | return; | |
1051 | for_each_string_list_item(item, symref) | |
1052 | strbuf_addf(buf, " symref=%s:%s", item->string, (char *)item->util); | |
1053 | } | |
1054 | ||
363e98bf MH |
1055 | static int send_ref(const char *refname, const struct object_id *oid, |
1056 | int flag, void *cb_data) | |
def88e9a | 1057 | { |
ed09aef0 | 1058 | static const char *capabilities = "multi_ack thin-pack side-band" |
cccf74e2 NTND |
1059 | " side-band-64k ofs-delta shallow deepen-since deepen-not" |
1060 | " deepen-relative no-progress include-tag multi_ack_detailed"; | |
6b01ecfe | 1061 | const char *refname_nons = strip_namespace(refname); |
21758aff | 1062 | struct object_id peeled; |
762f9276 | 1063 | struct upload_pack_data *data = cb_data; |
b5b16990 | 1064 | |
78a766ab | 1065 | if (mark_our_ref(refname_nons, refname, oid)) |
daebaa78 | 1066 | return 0; |
cbbe50db | 1067 | |
7171d8c1 JH |
1068 | if (capabilities) { |
1069 | struct strbuf symref_info = STRBUF_INIT; | |
1070 | ||
762f9276 | 1071 | format_symref_info(&symref_info, &data->symref); |
10ac85c7 | 1072 | packet_write_fmt(1, "%s %s%c%s%s%s%s%s%s agent=%s\n", |
363e98bf | 1073 | oid_to_hex(oid), refname_nons, |
cf2ad8e6 | 1074 | 0, capabilities, |
7199c093 FM |
1075 | (allow_unadvertised_object_request & ALLOW_TIP_SHA1) ? |
1076 | " allow-tip-sha1-in-want" : "", | |
68ee6289 FM |
1077 | (allow_unadvertised_object_request & ALLOW_REACHABLE_SHA1) ? |
1078 | " allow-reachable-sha1-in-want" : "", | |
df654abc | 1079 | data->stateless_rpc ? " no-done" : "", |
7171d8c1 | 1080 | symref_info.buf, |
59abe196 | 1081 | data->allow_filter ? " filter" : "", |
ff5effdf | 1082 | git_user_agent_sanitized()); |
7171d8c1 JH |
1083 | strbuf_release(&symref_info); |
1084 | } else { | |
81c634e9 | 1085 | packet_write_fmt(1, "%s %s\n", oid_to_hex(oid), refname_nons); |
7171d8c1 | 1086 | } |
1f5881bb | 1087 | capabilities = NULL; |
b420d909 | 1088 | if (!peel_ref(refname, &peeled)) |
81c634e9 | 1089 | packet_write_fmt(1, "%s %s^{}\n", oid_to_hex(&peeled), refname_nons); |
def88e9a LT |
1090 | return 0; |
1091 | } | |
1092 | ||
7dabd056 MH |
1093 | static int find_symref(const char *refname, const struct object_id *oid, |
1094 | int flag, void *cb_data) | |
7171d8c1 JH |
1095 | { |
1096 | const char *symref_target; | |
1097 | struct string_list_item *item; | |
7171d8c1 JH |
1098 | |
1099 | if ((flag & REF_ISSYMREF) == 0) | |
1100 | return 0; | |
744c040b | 1101 | symref_target = resolve_ref_unsafe(refname, 0, NULL, &flag); |
7171d8c1 JH |
1102 | if (!symref_target || (flag & REF_ISSYMREF) == 0) |
1103 | die("'%s' is a symref but it is not?", refname); | |
533e0882 JK |
1104 | item = string_list_append(cb_data, strip_namespace(refname)); |
1105 | item->util = xstrdup(strip_namespace(symref_target)); | |
7171d8c1 JH |
1106 | return 0; |
1107 | } | |
1108 | ||
8a0e6f16 | 1109 | static int upload_pack_config(const char *var, const char *value, void *cb_data) |
daebaa78 | 1110 | { |
f203a88c CC |
1111 | struct upload_pack_data *data = cb_data; |
1112 | ||
7199c093 FM |
1113 | if (!strcmp("uploadpack.allowtipsha1inwant", var)) { |
1114 | if (git_config_bool(var, value)) | |
1115 | allow_unadvertised_object_request |= ALLOW_TIP_SHA1; | |
1116 | else | |
1117 | allow_unadvertised_object_request &= ~ALLOW_TIP_SHA1; | |
68ee6289 FM |
1118 | } else if (!strcmp("uploadpack.allowreachablesha1inwant", var)) { |
1119 | if (git_config_bool(var, value)) | |
1120 | allow_unadvertised_object_request |= ALLOW_REACHABLE_SHA1; | |
1121 | else | |
1122 | allow_unadvertised_object_request &= ~ALLOW_REACHABLE_SHA1; | |
f8edeaa0 DT |
1123 | } else if (!strcmp("uploadpack.allowanysha1inwant", var)) { |
1124 | if (git_config_bool(var, value)) | |
1125 | allow_unadvertised_object_request |= ALLOW_ANY_SHA1; | |
1126 | else | |
1127 | allow_unadvertised_object_request &= ~ALLOW_ANY_SHA1; | |
7199c093 | 1128 | } else if (!strcmp("uploadpack.keepalive", var)) { |
f203a88c CC |
1129 | data->keepalive = git_config_int(var, value); |
1130 | if (!data->keepalive) | |
1131 | data->keepalive = -1; | |
10ac85c7 | 1132 | } else if (!strcmp("uploadpack.allowfilter", var)) { |
59abe196 | 1133 | data->allow_filter = git_config_bool(var, value); |
516e2b76 | 1134 | } else if (!strcmp("uploadpack.allowrefinwant", var)) { |
d1d7a945 | 1135 | data->allow_ref_in_want = git_config_bool(var, value); |
0bbc0bc5 | 1136 | } else if (!strcmp("uploadpack.allowsidebandall", var)) { |
e3835cd4 | 1137 | data->allow_sideband_all = git_config_bool(var, value); |
8e712ef6 EN |
1138 | } else if (!strcmp("core.precomposeunicode", var)) { |
1139 | precomposed_unicode = git_config_bool(var, value); | |
05e95155 | 1140 | } |
aaaa8818 | 1141 | |
6dc905d9 MR |
1142 | if (current_config_scope() != CONFIG_SCOPE_LOCAL && |
1143 | current_config_scope() != CONFIG_SCOPE_WORKTREE) { | |
aaaa8818 | 1144 | if (!strcmp("uploadpack.packobjectshook", var)) |
339a9840 | 1145 | return git_config_string(&data->pack_objects_hook, var, value); |
aaaa8818 JK |
1146 | } |
1147 | ||
daebaa78 JH |
1148 | return parse_hide_refs_config(var, value, "uploadpack"); |
1149 | } | |
1150 | ||
a3d6b53e | 1151 | void upload_pack(struct upload_pack_options *options) |
def88e9a | 1152 | { |
01f9ec64 | 1153 | struct packet_reader reader; |
ebf8ebcc | 1154 | struct upload_pack_data data; |
960deccb | 1155 | |
ebf8ebcc CC |
1156 | upload_pack_data_init(&data); |
1157 | ||
8a0e6f16 CC |
1158 | git_config(upload_pack_config, &data); |
1159 | ||
df654abc | 1160 | data.stateless_rpc = options->stateless_rpc; |
d40f04e0 CC |
1161 | data.daemon_mode = options->daemon_mode; |
1162 | data.timeout = options->timeout; | |
df654abc | 1163 | |
438528f6 | 1164 | head_ref_namespaced(find_symref, &data.symref); |
a6080a0a | 1165 | |
df654abc | 1166 | if (options->advertise_refs || !data.stateless_rpc) { |
d40f04e0 | 1167 | reset_timeout(data.timeout); |
762f9276 CC |
1168 | head_ref_namespaced(send_ref, &data); |
1169 | for_each_namespaced_ref(send_ref, &data); | |
a3d6b53e BW |
1170 | advertise_shallow_grafts(1); |
1171 | packet_flush(1); | |
1172 | } else { | |
1173 | head_ref_namespaced(check_ref, NULL); | |
1174 | for_each_namespaced_ref(check_ref, NULL); | |
aa9bab29 | 1175 | } |
01f9ec64 | 1176 | |
ebf8ebcc CC |
1177 | if (!options->advertise_refs) { |
1178 | packet_reader_init(&reader, 0, NULL, 0, | |
1179 | PACKET_READ_CHOMP_NEWLINE | | |
1180 | PACKET_READ_DIE_ON_ERR_PACKET); | |
1181 | ||
d92ae2c0 | 1182 | receive_needs(&data, &reader); |
ebf8ebcc | 1183 | if (data.want_obj.nr) { |
07977695 | 1184 | get_common_commits(&data, &reader); |
c9f03259 | 1185 | create_pack_file(&data); |
ebf8ebcc | 1186 | } |
a3d6b53e | 1187 | } |
08450ef7 | 1188 | |
ebf8ebcc | 1189 | upload_pack_data_clear(&data); |
def88e9a | 1190 | } |
04b33055 | 1191 | |
bc2e795c JT |
1192 | static int parse_want(struct packet_writer *writer, const char *line, |
1193 | struct object_array *want_obj) | |
3145ea95 BW |
1194 | { |
1195 | const char *arg; | |
1196 | if (skip_prefix(line, "want ", &arg)) { | |
1197 | struct object_id oid; | |
1198 | struct object *o; | |
1199 | ||
1200 | if (get_oid_hex(arg, &oid)) | |
1201 | die("git upload-pack: protocol error, " | |
1202 | "expected to get oid, not '%s'", line); | |
1203 | ||
109cd76d | 1204 | o = parse_object(the_repository, &oid); |
3145ea95 | 1205 | if (!o) { |
bc2e795c JT |
1206 | packet_writer_error(writer, |
1207 | "upload-pack: not our ref %s", | |
1208 | oid_to_hex(&oid)); | |
3145ea95 BW |
1209 | die("git upload-pack: not our ref %s", |
1210 | oid_to_hex(&oid)); | |
1211 | } | |
1212 | ||
1213 | if (!(o->flags & WANTED)) { | |
1214 | o->flags |= WANTED; | |
1d1243fe | 1215 | add_object_array(o, NULL, want_obj); |
3145ea95 BW |
1216 | } |
1217 | ||
1218 | return 1; | |
1219 | } | |
1220 | ||
1221 | return 0; | |
1222 | } | |
1223 | ||
bc2e795c JT |
1224 | static int parse_want_ref(struct packet_writer *writer, const char *line, |
1225 | struct string_list *wanted_refs, | |
1d1243fe | 1226 | struct object_array *want_obj) |
516e2b76 BW |
1227 | { |
1228 | const char *arg; | |
1229 | if (skip_prefix(line, "want-ref ", &arg)) { | |
1230 | struct object_id oid; | |
1231 | struct string_list_item *item; | |
1232 | struct object *o; | |
1233 | ||
1234 | if (read_ref(arg, &oid)) { | |
bc2e795c | 1235 | packet_writer_error(writer, "unknown ref %s", arg); |
516e2b76 BW |
1236 | die("unknown ref %s", arg); |
1237 | } | |
1238 | ||
1239 | item = string_list_append(wanted_refs, arg); | |
1240 | item->util = oiddup(&oid); | |
1241 | ||
1242 | o = parse_object_or_die(&oid, arg); | |
1243 | if (!(o->flags & WANTED)) { | |
1244 | o->flags |= WANTED; | |
1d1243fe | 1245 | add_object_array(o, NULL, want_obj); |
516e2b76 BW |
1246 | } |
1247 | ||
1248 | return 1; | |
1249 | } | |
1250 | ||
1251 | return 0; | |
1252 | } | |
1253 | ||
3145ea95 BW |
1254 | static int parse_have(const char *line, struct oid_array *haves) |
1255 | { | |
1256 | const char *arg; | |
1257 | if (skip_prefix(line, "have ", &arg)) { | |
1258 | struct object_id oid; | |
1259 | ||
1260 | if (get_oid_hex(arg, &oid)) | |
1261 | die("git upload-pack: expected SHA1 object, got '%s'", arg); | |
1262 | oid_array_append(haves, &oid); | |
1263 | return 1; | |
aa9bab29 BW |
1264 | } |
1265 | ||
def88e9a LT |
1266 | return 0; |
1267 | } | |
3145ea95 BW |
1268 | |
1269 | static void process_args(struct packet_reader *request, | |
389f161a | 1270 | struct upload_pack_data *data) |
3145ea95 | 1271 | { |
4845b772 | 1272 | while (packet_reader_read(request) == PACKET_READ_NORMAL) { |
3145ea95 | 1273 | const char *arg = request->line; |
ba95710a | 1274 | const char *p; |
3145ea95 BW |
1275 | |
1276 | /* process want */ | |
389f161a | 1277 | if (parse_want(&data->writer, arg, &data->want_obj)) |
3145ea95 | 1278 | continue; |
d1d7a945 | 1279 | if (data->allow_ref_in_want && |
bc2e795c | 1280 | parse_want_ref(&data->writer, arg, &data->wanted_refs, |
389f161a | 1281 | &data->want_obj)) |
516e2b76 | 1282 | continue; |
3145ea95 BW |
1283 | /* process have line */ |
1284 | if (parse_have(arg, &data->haves)) | |
1285 | continue; | |
1286 | ||
1287 | /* process args like thin-pack */ | |
1288 | if (!strcmp(arg, "thin-pack")) { | |
b5a2068c | 1289 | data->use_thin_pack = 1; |
3145ea95 BW |
1290 | continue; |
1291 | } | |
1292 | if (!strcmp(arg, "ofs-delta")) { | |
b5a2068c | 1293 | data->use_ofs_delta = 1; |
3145ea95 BW |
1294 | continue; |
1295 | } | |
1296 | if (!strcmp(arg, "no-progress")) { | |
b5a2068c | 1297 | data->no_progress = 1; |
3145ea95 BW |
1298 | continue; |
1299 | } | |
1300 | if (!strcmp(arg, "include-tag")) { | |
b5a2068c | 1301 | data->use_include_tag = 1; |
3145ea95 BW |
1302 | continue; |
1303 | } | |
1304 | if (!strcmp(arg, "done")) { | |
1305 | data->done = 1; | |
1306 | continue; | |
1307 | } | |
1308 | ||
685fbd32 BW |
1309 | /* Shallow related arguments */ |
1310 | if (process_shallow(arg, &data->shallows)) | |
1311 | continue; | |
1312 | if (process_deepen(arg, &data->depth)) | |
1313 | continue; | |
1314 | if (process_deepen_since(arg, &data->deepen_since, | |
1315 | &data->deepen_rev_list)) | |
1316 | continue; | |
1317 | if (process_deepen_not(arg, &data->deepen_not, | |
1318 | &data->deepen_rev_list)) | |
1319 | continue; | |
1320 | if (!strcmp(arg, "deepen-relative")) { | |
1321 | data->deepen_relative = 1; | |
1322 | continue; | |
1323 | } | |
1324 | ||
59abe196 | 1325 | if (data->allow_filter && skip_prefix(arg, "filter ", &p)) { |
08450ef7 CC |
1326 | list_objects_filter_die_if_populated(&data->filter_options); |
1327 | parse_list_objects_filter(&data->filter_options, p); | |
ba95710a JT |
1328 | continue; |
1329 | } | |
1330 | ||
07c3c2aa | 1331 | if ((git_env_bool("GIT_TEST_SIDEBAND_ALL", 0) || |
e3835cd4 | 1332 | data->allow_sideband_all) && |
07c3c2aa | 1333 | !strcmp(arg, "sideband-all")) { |
0bbc0bc5 JT |
1334 | data->writer.use_sideband = 1; |
1335 | continue; | |
1336 | } | |
1337 | ||
3145ea95 | 1338 | /* ignore unknown lines maybe? */ |
7cc6ed2d | 1339 | die("unexpected line: '%s'", arg); |
3145ea95 | 1340 | } |
4845b772 JK |
1341 | |
1342 | if (request->status != PACKET_READ_FLUSH) | |
1343 | die(_("expected flush after fetch arguments")); | |
3145ea95 BW |
1344 | } |
1345 | ||
0b9333ff JT |
1346 | static int process_haves(struct oid_array *haves, struct oid_array *common, |
1347 | struct object_array *have_obj) | |
3145ea95 BW |
1348 | { |
1349 | int i; | |
1350 | ||
1351 | /* Process haves */ | |
1352 | for (i = 0; i < haves->nr; i++) { | |
1353 | const struct object_id *oid = &haves->oid[i]; | |
1354 | struct object *o; | |
1355 | int we_knew_they_have = 0; | |
1356 | ||
1357 | if (!has_object_file(oid)) | |
1358 | continue; | |
1359 | ||
1360 | oid_array_append(common, oid); | |
1361 | ||
109cd76d | 1362 | o = parse_object(the_repository, oid); |
3145ea95 BW |
1363 | if (!o) |
1364 | die("oops (%s)", oid_to_hex(oid)); | |
1365 | if (o->type == OBJ_COMMIT) { | |
1366 | struct commit_list *parents; | |
1367 | struct commit *commit = (struct commit *)o; | |
1368 | if (o->flags & THEY_HAVE) | |
1369 | we_knew_they_have = 1; | |
1370 | else | |
1371 | o->flags |= THEY_HAVE; | |
1372 | if (!oldest_have || (commit->date < oldest_have)) | |
1373 | oldest_have = commit->date; | |
1374 | for (parents = commit->parents; | |
1375 | parents; | |
1376 | parents = parents->next) | |
1377 | parents->item->object.flags |= THEY_HAVE; | |
1378 | } | |
1379 | if (!we_knew_they_have) | |
0b9333ff | 1380 | add_object_array(o, NULL, have_obj); |
3145ea95 BW |
1381 | } |
1382 | ||
1383 | return 0; | |
1384 | } | |
1385 | ||
bc2e795c | 1386 | static int send_acks(struct packet_writer *writer, struct oid_array *acks, |
1d1243fe JT |
1387 | const struct object_array *have_obj, |
1388 | struct object_array *want_obj) | |
3145ea95 BW |
1389 | { |
1390 | int i; | |
1391 | ||
bc2e795c | 1392 | packet_writer_write(writer, "acknowledgments\n"); |
3145ea95 BW |
1393 | |
1394 | /* Send Acks */ | |
1395 | if (!acks->nr) | |
bc2e795c | 1396 | packet_writer_write(writer, "NAK\n"); |
3145ea95 BW |
1397 | |
1398 | for (i = 0; i < acks->nr; i++) { | |
bc2e795c JT |
1399 | packet_writer_write(writer, "ACK %s\n", |
1400 | oid_to_hex(&acks->oid[i])); | |
3145ea95 BW |
1401 | } |
1402 | ||
1d1243fe | 1403 | if (ok_to_give_up(have_obj, want_obj)) { |
3145ea95 | 1404 | /* Send Ready */ |
bc2e795c | 1405 | packet_writer_write(writer, "ready\n"); |
3145ea95 BW |
1406 | return 1; |
1407 | } | |
1408 | ||
1409 | return 0; | |
1410 | } | |
1411 | ||
389f161a | 1412 | static int process_haves_and_send_acks(struct upload_pack_data *data) |
3145ea95 BW |
1413 | { |
1414 | struct oid_array common = OID_ARRAY_INIT; | |
3145ea95 BW |
1415 | int ret = 0; |
1416 | ||
389f161a | 1417 | process_haves(&data->haves, &common, &data->have_obj); |
3145ea95 BW |
1418 | if (data->done) { |
1419 | ret = 1; | |
389f161a CC |
1420 | } else if (send_acks(&data->writer, &common, |
1421 | &data->have_obj, &data->want_obj)) { | |
bc2e795c | 1422 | packet_writer_delim(&data->writer); |
3145ea95 BW |
1423 | ret = 1; |
1424 | } else { | |
1425 | /* Add Flush */ | |
bc2e795c | 1426 | packet_writer_flush(&data->writer); |
3145ea95 BW |
1427 | ret = 0; |
1428 | } | |
1429 | ||
3145ea95 BW |
1430 | oid_array_clear(&data->haves); |
1431 | oid_array_clear(&common); | |
1432 | return ret; | |
1433 | } | |
1434 | ||
516e2b76 BW |
1435 | static void send_wanted_ref_info(struct upload_pack_data *data) |
1436 | { | |
1437 | const struct string_list_item *item; | |
1438 | ||
1439 | if (!data->wanted_refs.nr) | |
1440 | return; | |
1441 | ||
bc2e795c | 1442 | packet_writer_write(&data->writer, "wanted-refs\n"); |
516e2b76 BW |
1443 | |
1444 | for_each_string_list_item(item, &data->wanted_refs) { | |
bc2e795c JT |
1445 | packet_writer_write(&data->writer, "%s %s\n", |
1446 | oid_to_hex(item->util), | |
1447 | item->string); | |
516e2b76 BW |
1448 | } |
1449 | ||
bc2e795c | 1450 | packet_writer_delim(&data->writer); |
516e2b76 BW |
1451 | } |
1452 | ||
389f161a | 1453 | static void send_shallow_info(struct upload_pack_data *data) |
685fbd32 BW |
1454 | { |
1455 | /* No shallow info needs to be sent */ | |
1456 | if (!data->depth && !data->deepen_rev_list && !data->shallows.nr && | |
00624d60 | 1457 | !is_repository_shallow(the_repository)) |
685fbd32 BW |
1458 | return; |
1459 | ||
bc2e795c | 1460 | packet_writer_write(&data->writer, "shallow-info\n"); |
685fbd32 | 1461 | |
ee703c8a | 1462 | if (!send_shallow_list(data) && |
00624d60 | 1463 | is_repository_shallow(the_repository)) |
b1492f22 | 1464 | deepen(data, INFINITE_DEPTH); |
685fbd32 BW |
1465 | |
1466 | packet_delim(1); | |
1467 | } | |
1468 | ||
3145ea95 BW |
1469 | enum fetch_state { |
1470 | FETCH_PROCESS_ARGS = 0, | |
1471 | FETCH_SEND_ACKS, | |
1472 | FETCH_SEND_PACK, | |
1473 | FETCH_DONE, | |
1474 | }; | |
1475 | ||
1476 | int upload_pack_v2(struct repository *r, struct argv_array *keys, | |
1477 | struct packet_reader *request) | |
1478 | { | |
1479 | enum fetch_state state = FETCH_PROCESS_ARGS; | |
1480 | struct upload_pack_data data; | |
d1035cac JT |
1481 | |
1482 | clear_object_flags(ALL_FLAGS); | |
3145ea95 BW |
1483 | |
1484 | upload_pack_data_init(&data); | |
f8edd1ca | 1485 | data.use_sideband = LARGE_PACKET_MAX; |
3145ea95 | 1486 | |
8a0e6f16 CC |
1487 | git_config(upload_pack_config, &data); |
1488 | ||
3145ea95 BW |
1489 | while (state != FETCH_DONE) { |
1490 | switch (state) { | |
1491 | case FETCH_PROCESS_ARGS: | |
389f161a | 1492 | process_args(request, &data); |
3145ea95 | 1493 | |
389f161a | 1494 | if (!data.want_obj.nr) { |
3145ea95 BW |
1495 | /* |
1496 | * Request didn't contain any 'want' lines, | |
1497 | * guess they didn't want anything. | |
1498 | */ | |
1499 | state = FETCH_DONE; | |
1500 | } else if (data.haves.nr) { | |
1501 | /* | |
1502 | * Request had 'have' lines, so lets ACK them. | |
1503 | */ | |
1504 | state = FETCH_SEND_ACKS; | |
1505 | } else { | |
1506 | /* | |
1507 | * Request had 'want's but no 'have's so we can | |
1508 | * immedietly go to construct and send a pack. | |
1509 | */ | |
1510 | state = FETCH_SEND_PACK; | |
1511 | } | |
1512 | break; | |
1513 | case FETCH_SEND_ACKS: | |
389f161a | 1514 | if (process_haves_and_send_acks(&data)) |
3145ea95 BW |
1515 | state = FETCH_SEND_PACK; |
1516 | else | |
1517 | state = FETCH_DONE; | |
1518 | break; | |
1519 | case FETCH_SEND_PACK: | |
516e2b76 | 1520 | send_wanted_ref_info(&data); |
389f161a | 1521 | send_shallow_info(&data); |
685fbd32 | 1522 | |
bc2e795c | 1523 | packet_writer_write(&data.writer, "packfile\n"); |
c9f03259 | 1524 | create_pack_file(&data); |
3145ea95 BW |
1525 | state = FETCH_DONE; |
1526 | break; | |
1527 | case FETCH_DONE: | |
1528 | continue; | |
1529 | } | |
1530 | } | |
1531 | ||
1532 | upload_pack_data_clear(&data); | |
1533 | return 0; | |
1534 | } | |
685fbd32 BW |
1535 | |
1536 | int upload_pack_advertise(struct repository *r, | |
1537 | struct strbuf *value) | |
1538 | { | |
ba95710a JT |
1539 | if (value) { |
1540 | int allow_filter_value; | |
516e2b76 | 1541 | int allow_ref_in_want; |
0bbc0bc5 | 1542 | int allow_sideband_all_value; |
516e2b76 | 1543 | |
685fbd32 | 1544 | strbuf_addstr(value, "shallow"); |
516e2b76 | 1545 | |
ba95710a JT |
1546 | if (!repo_config_get_bool(the_repository, |
1547 | "uploadpack.allowfilter", | |
1548 | &allow_filter_value) && | |
1549 | allow_filter_value) | |
1550 | strbuf_addstr(value, " filter"); | |
516e2b76 BW |
1551 | |
1552 | if (!repo_config_get_bool(the_repository, | |
1553 | "uploadpack.allowrefinwant", | |
1554 | &allow_ref_in_want) && | |
1555 | allow_ref_in_want) | |
1556 | strbuf_addstr(value, " ref-in-want"); | |
0bbc0bc5 | 1557 | |
07c3c2aa JT |
1558 | if (git_env_bool("GIT_TEST_SIDEBAND_ALL", 0) || |
1559 | (!repo_config_get_bool(the_repository, | |
1560 | "uploadpack.allowsidebandall", | |
1561 | &allow_sideband_all_value) && | |
1562 | allow_sideband_all_value)) | |
0bbc0bc5 | 1563 | strbuf_addstr(value, " sideband-all"); |
ba95710a | 1564 | } |
516e2b76 | 1565 | |
685fbd32 BW |
1566 | return 1; |
1567 | } |