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Commit | Line | Data |
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745f7a8c | 1 | #include "cache.h" |
697cc8ef | 2 | #include "lockfile.h" |
745f7a8c NTND |
3 | #include "refs.h" |
4 | #include "pkt-line.h" | |
5 | #include "commit.h" | |
6 | #include "tag.h" | |
7 | #include "exec_cmd.h" | |
8 | #include "pack.h" | |
9 | #include "sideband.h" | |
10 | #include "fetch-pack.h" | |
11 | #include "remote.h" | |
12 | #include "run-command.h" | |
47a59185 | 13 | #include "connect.h" |
745f7a8c NTND |
14 | #include "transport.h" |
15 | #include "version.h" | |
099327b5 | 16 | #include "prio-queue.h" |
beea4152 | 17 | #include "sha1-array.h" |
745f7a8c NTND |
18 | |
19 | static int transfer_unpack_limit = -1; | |
20 | static int fetch_unpack_limit = -1; | |
21 | static int unpack_limit = 100; | |
22 | static int prefer_ofs_delta = 1; | |
23 | static int no_done; | |
24 | static int fetch_fsck_objects = -1; | |
25 | static int transfer_fsck_objects = -1; | |
26 | static int agent_supported; | |
6035d6aa NTND |
27 | static struct lock_file shallow_lock; |
28 | static const char *alternate_shallow_file; | |
745f7a8c | 29 | |
208acbfb | 30 | /* Remember to update object flag allocation in object.h */ |
745f7a8c NTND |
31 | #define COMPLETE (1U << 0) |
32 | #define COMMON (1U << 1) | |
33 | #define COMMON_REF (1U << 2) | |
34 | #define SEEN (1U << 3) | |
35 | #define POPPED (1U << 4) | |
36 | ||
37 | static int marked; | |
38 | ||
39 | /* | |
40 | * After sending this many "have"s if we do not get any new ACK , we | |
41 | * give up traversing our history. | |
42 | */ | |
43 | #define MAX_IN_VAIN 256 | |
44 | ||
099327b5 | 45 | static struct prio_queue rev_list = { compare_commits_by_commit_date }; |
7199c093 FM |
46 | static int non_common_revs, multi_ack, use_sideband; |
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 | |
7199c093 | 51 | static unsigned int allow_unadvertised_object_request; |
745f7a8c | 52 | |
0d789a5b NTND |
53 | __attribute__((format (printf, 2, 3))) |
54 | static inline void print_verbose(const struct fetch_pack_args *args, | |
55 | const char *fmt, ...) | |
56 | { | |
57 | va_list params; | |
58 | ||
59 | if (!args->verbose) | |
60 | return; | |
61 | ||
62 | va_start(params, fmt); | |
63 | vfprintf(stderr, fmt, params); | |
64 | va_end(params); | |
65 | fputc('\n', stderr); | |
66 | } | |
67 | ||
745f7a8c NTND |
68 | static void rev_list_push(struct commit *commit, int mark) |
69 | { | |
70 | if (!(commit->object.flags & mark)) { | |
71 | commit->object.flags |= mark; | |
72 | ||
0064053b JK |
73 | if (parse_commit(commit)) |
74 | return; | |
745f7a8c | 75 | |
099327b5 | 76 | prio_queue_put(&rev_list, commit); |
745f7a8c NTND |
77 | |
78 | if (!(commit->object.flags & COMMON)) | |
79 | non_common_revs++; | |
80 | } | |
81 | } | |
82 | ||
c38cd1c8 | 83 | static int rev_list_insert_ref(const char *refname, const unsigned char *sha1) |
745f7a8c NTND |
84 | { |
85 | struct object *o = deref_tag(parse_object(sha1), refname, 0); | |
86 | ||
87 | if (o && o->type == OBJ_COMMIT) | |
88 | rev_list_push((struct commit *)o, SEEN); | |
89 | ||
90 | return 0; | |
91 | } | |
92 | ||
b1b49c6e MH |
93 | static int rev_list_insert_ref_oid(const char *refname, const struct object_id *oid, |
94 | int flag, void *cb_data) | |
745f7a8c | 95 | { |
c38cd1c8 | 96 | return rev_list_insert_ref(refname, oid->hash); |
b1b49c6e MH |
97 | } |
98 | ||
c50fb6ce MH |
99 | static int clear_marks(const char *refname, const struct object_id *oid, |
100 | int flag, void *cb_data) | |
745f7a8c | 101 | { |
c50fb6ce | 102 | struct object *o = deref_tag(parse_object(oid->hash), refname, 0); |
745f7a8c NTND |
103 | |
104 | if (o && o->type == OBJ_COMMIT) | |
105 | clear_commit_marks((struct commit *)o, | |
106 | COMMON | COMMON_REF | SEEN | POPPED); | |
107 | return 0; | |
108 | } | |
109 | ||
110 | /* | |
111 | This function marks a rev and its ancestors as common. | |
112 | In some cases, it is desirable to mark only the ancestors (for example | |
113 | when only the server does not yet know that they are common). | |
114 | */ | |
115 | ||
116 | static void mark_common(struct commit *commit, | |
117 | int ancestors_only, int dont_parse) | |
118 | { | |
119 | if (commit != NULL && !(commit->object.flags & COMMON)) { | |
120 | struct object *o = (struct object *)commit; | |
121 | ||
122 | if (!ancestors_only) | |
123 | o->flags |= COMMON; | |
124 | ||
125 | if (!(o->flags & SEEN)) | |
126 | rev_list_push(commit, SEEN); | |
127 | else { | |
128 | struct commit_list *parents; | |
129 | ||
130 | if (!ancestors_only && !(o->flags & POPPED)) | |
131 | non_common_revs--; | |
132 | if (!o->parsed && !dont_parse) | |
133 | if (parse_commit(commit)) | |
134 | return; | |
135 | ||
136 | for (parents = commit->parents; | |
137 | parents; | |
138 | parents = parents->next) | |
139 | mark_common(parents->item, 0, dont_parse); | |
140 | } | |
141 | } | |
142 | } | |
143 | ||
144 | /* | |
145 | Get the next rev to send, ignoring the common. | |
146 | */ | |
147 | ||
148 | static const unsigned char *get_rev(void) | |
149 | { | |
150 | struct commit *commit = NULL; | |
151 | ||
152 | while (commit == NULL) { | |
153 | unsigned int mark; | |
154 | struct commit_list *parents; | |
155 | ||
099327b5 | 156 | if (rev_list.nr == 0 || non_common_revs == 0) |
745f7a8c NTND |
157 | return NULL; |
158 | ||
099327b5 | 159 | commit = prio_queue_get(&rev_list); |
0064053b | 160 | parse_commit(commit); |
745f7a8c NTND |
161 | parents = commit->parents; |
162 | ||
163 | commit->object.flags |= POPPED; | |
164 | if (!(commit->object.flags & COMMON)) | |
165 | non_common_revs--; | |
166 | ||
167 | if (commit->object.flags & COMMON) { | |
168 | /* do not send "have", and ignore ancestors */ | |
169 | commit = NULL; | |
170 | mark = COMMON | SEEN; | |
171 | } else if (commit->object.flags & COMMON_REF) | |
172 | /* send "have", and ignore ancestors */ | |
173 | mark = COMMON | SEEN; | |
174 | else | |
175 | /* send "have", also for its ancestors */ | |
176 | mark = SEEN; | |
177 | ||
178 | while (parents) { | |
179 | if (!(parents->item->object.flags & SEEN)) | |
180 | rev_list_push(parents->item, mark); | |
181 | if (mark & COMMON) | |
182 | mark_common(parents->item, 1, 0); | |
183 | parents = parents->next; | |
184 | } | |
745f7a8c NTND |
185 | } |
186 | ||
ed1c9977 | 187 | return commit->object.oid.hash; |
745f7a8c NTND |
188 | } |
189 | ||
190 | enum ack_type { | |
191 | NAK = 0, | |
192 | ACK, | |
193 | ACK_continue, | |
194 | ACK_common, | |
195 | ACK_ready | |
196 | }; | |
197 | ||
198 | static void consume_shallow_list(struct fetch_pack_args *args, int fd) | |
199 | { | |
79891cb9 | 200 | if (args->stateless_rpc && args->deepen) { |
745f7a8c NTND |
201 | /* If we sent a depth we will get back "duplicate" |
202 | * shallow and unshallow commands every time there | |
203 | * is a block of have lines exchanged. | |
204 | */ | |
74543a04 JK |
205 | char *line; |
206 | while ((line = packet_read_line(fd, NULL))) { | |
59556548 | 207 | if (starts_with(line, "shallow ")) |
745f7a8c | 208 | continue; |
59556548 | 209 | if (starts_with(line, "unshallow ")) |
745f7a8c | 210 | continue; |
1dd73e20 | 211 | die(_("git fetch-pack: expected shallow list")); |
745f7a8c NTND |
212 | } |
213 | } | |
214 | } | |
215 | ||
745f7a8c NTND |
216 | static enum ack_type get_ack(int fd, unsigned char *result_sha1) |
217 | { | |
74543a04 JK |
218 | int len; |
219 | char *line = packet_read_line(fd, &len); | |
82e56767 | 220 | const char *arg; |
745f7a8c NTND |
221 | |
222 | if (!len) | |
1dd73e20 | 223 | die(_("git fetch-pack: expected ACK/NAK, got EOF")); |
745f7a8c NTND |
224 | if (!strcmp(line, "NAK")) |
225 | return NAK; | |
82e56767 JK |
226 | if (skip_prefix(line, "ACK ", &arg)) { |
227 | if (!get_sha1_hex(arg, result_sha1)) { | |
228 | arg += 40; | |
229 | len -= arg - line; | |
230 | if (len < 1) | |
030e9dd6 | 231 | return ACK; |
82e56767 | 232 | if (strstr(arg, "continue")) |
745f7a8c | 233 | return ACK_continue; |
82e56767 | 234 | if (strstr(arg, "common")) |
745f7a8c | 235 | return ACK_common; |
82e56767 | 236 | if (strstr(arg, "ready")) |
745f7a8c NTND |
237 | return ACK_ready; |
238 | return ACK; | |
239 | } | |
240 | } | |
1dd73e20 | 241 | die(_("git fetch_pack: expected ACK/NAK, got '%s'"), line); |
745f7a8c NTND |
242 | } |
243 | ||
244 | static void send_request(struct fetch_pack_args *args, | |
245 | int fd, struct strbuf *buf) | |
246 | { | |
247 | if (args->stateless_rpc) { | |
248 | send_sideband(fd, -1, buf->buf, buf->len, LARGE_PACKET_MAX); | |
249 | packet_flush(fd); | |
250 | } else | |
cdf4fb8e | 251 | write_or_die(fd, buf->buf, buf->len); |
745f7a8c NTND |
252 | } |
253 | ||
254 | static void insert_one_alternate_ref(const struct ref *ref, void *unused) | |
255 | { | |
f4e54d02 | 256 | rev_list_insert_ref(NULL, ref->old_oid.hash); |
745f7a8c NTND |
257 | } |
258 | ||
259 | #define INITIAL_FLUSH 16 | |
260 | #define PIPESAFE_FLUSH 32 | |
261 | #define LARGE_FLUSH 1024 | |
262 | ||
263 | static int next_flush(struct fetch_pack_args *args, int count) | |
264 | { | |
265 | int flush_limit = args->stateless_rpc ? LARGE_FLUSH : PIPESAFE_FLUSH; | |
266 | ||
267 | if (count < flush_limit) | |
268 | count <<= 1; | |
269 | else | |
270 | count += flush_limit; | |
271 | return count; | |
272 | } | |
273 | ||
274 | static int find_common(struct fetch_pack_args *args, | |
275 | int fd[2], unsigned char *result_sha1, | |
276 | struct ref *refs) | |
277 | { | |
278 | int fetching; | |
279 | int count = 0, flushes = 0, flush_at = INITIAL_FLUSH, retval; | |
280 | const unsigned char *sha1; | |
281 | unsigned in_vain = 0; | |
282 | int got_continue = 0; | |
283 | int got_ready = 0; | |
284 | struct strbuf req_buf = STRBUF_INIT; | |
285 | size_t state_len = 0; | |
286 | ||
287 | if (args->stateless_rpc && multi_ack == 1) | |
1dd73e20 | 288 | die(_("--stateless-rpc requires multi_ack_detailed")); |
745f7a8c NTND |
289 | if (marked) |
290 | for_each_ref(clear_marks, NULL); | |
291 | marked = 1; | |
292 | ||
b1b49c6e | 293 | for_each_ref(rev_list_insert_ref_oid, NULL); |
745f7a8c NTND |
294 | for_each_alternate_ref(insert_one_alternate_ref, NULL); |
295 | ||
296 | fetching = 0; | |
297 | for ( ; refs ; refs = refs->next) { | |
f4e54d02 | 298 | unsigned char *remote = refs->old_oid.hash; |
745f7a8c NTND |
299 | const char *remote_hex; |
300 | struct object *o; | |
301 | ||
302 | /* | |
303 | * If that object is complete (i.e. it is an ancestor of a | |
304 | * local ref), we tell them we have it but do not have to | |
305 | * tell them about its ancestors, which they already know | |
306 | * about. | |
307 | * | |
308 | * We use lookup_object here because we are only | |
309 | * interested in the case we *know* the object is | |
310 | * reachable and we have already scanned it. | |
311 | */ | |
312 | if (((o = lookup_object(remote)) != NULL) && | |
313 | (o->flags & COMPLETE)) { | |
314 | continue; | |
315 | } | |
316 | ||
317 | remote_hex = sha1_to_hex(remote); | |
318 | if (!fetching) { | |
319 | struct strbuf c = STRBUF_INIT; | |
320 | if (multi_ack == 2) strbuf_addstr(&c, " multi_ack_detailed"); | |
321 | if (multi_ack == 1) strbuf_addstr(&c, " multi_ack"); | |
322 | if (no_done) strbuf_addstr(&c, " no-done"); | |
323 | if (use_sideband == 2) strbuf_addstr(&c, " side-band-64k"); | |
324 | if (use_sideband == 1) strbuf_addstr(&c, " side-band"); | |
325 | if (args->use_thin_pack) strbuf_addstr(&c, " thin-pack"); | |
326 | if (args->no_progress) strbuf_addstr(&c, " no-progress"); | |
327 | if (args->include_tag) strbuf_addstr(&c, " include-tag"); | |
328 | if (prefer_ofs_delta) strbuf_addstr(&c, " ofs-delta"); | |
329 | if (agent_supported) strbuf_addf(&c, " agent=%s", | |
330 | git_user_agent_sanitized()); | |
331 | packet_buf_write(&req_buf, "want %s%s\n", remote_hex, c.buf); | |
332 | strbuf_release(&c); | |
333 | } else | |
334 | packet_buf_write(&req_buf, "want %s\n", remote_hex); | |
335 | fetching++; | |
336 | } | |
337 | ||
338 | if (!fetching) { | |
339 | strbuf_release(&req_buf); | |
340 | packet_flush(fd[1]); | |
341 | return 1; | |
342 | } | |
343 | ||
344 | if (is_repository_shallow()) | |
1a30f5a2 | 345 | write_shallow_commits(&req_buf, 1, NULL); |
745f7a8c NTND |
346 | if (args->depth > 0) |
347 | packet_buf_write(&req_buf, "deepen %d", args->depth); | |
348 | packet_buf_flush(&req_buf); | |
349 | state_len = req_buf.len; | |
350 | ||
79891cb9 | 351 | if (args->deepen) { |
74543a04 | 352 | char *line; |
ae021d87 | 353 | const char *arg; |
745f7a8c NTND |
354 | unsigned char sha1[20]; |
355 | ||
356 | send_request(args, fd[1], &req_buf); | |
74543a04 | 357 | while ((line = packet_read_line(fd[0], NULL))) { |
ae021d87 JK |
358 | if (skip_prefix(line, "shallow ", &arg)) { |
359 | if (get_sha1_hex(arg, sha1)) | |
1dd73e20 | 360 | die(_("invalid shallow line: %s"), line); |
745f7a8c NTND |
361 | register_shallow(sha1); |
362 | continue; | |
363 | } | |
ae021d87 JK |
364 | if (skip_prefix(line, "unshallow ", &arg)) { |
365 | if (get_sha1_hex(arg, sha1)) | |
1dd73e20 | 366 | die(_("invalid unshallow line: %s"), line); |
745f7a8c | 367 | if (!lookup_object(sha1)) |
1dd73e20 | 368 | die(_("object not found: %s"), line); |
745f7a8c NTND |
369 | /* make sure that it is parsed as shallow */ |
370 | if (!parse_object(sha1)) | |
1dd73e20 | 371 | die(_("error in object: %s"), line); |
745f7a8c | 372 | if (unregister_shallow(sha1)) |
1dd73e20 | 373 | die(_("no shallow found: %s"), line); |
745f7a8c NTND |
374 | continue; |
375 | } | |
1dd73e20 | 376 | die(_("expected shallow/unshallow, got %s"), line); |
745f7a8c NTND |
377 | } |
378 | } else if (!args->stateless_rpc) | |
379 | send_request(args, fd[1], &req_buf); | |
380 | ||
381 | if (!args->stateless_rpc) { | |
382 | /* If we aren't using the stateless-rpc interface | |
383 | * we don't need to retain the headers. | |
384 | */ | |
385 | strbuf_setlen(&req_buf, 0); | |
386 | state_len = 0; | |
387 | } | |
388 | ||
389 | flushes = 0; | |
390 | retval = -1; | |
391 | while ((sha1 = get_rev())) { | |
392 | packet_buf_write(&req_buf, "have %s\n", sha1_to_hex(sha1)); | |
0d789a5b | 393 | print_verbose(args, "have %s", sha1_to_hex(sha1)); |
745f7a8c NTND |
394 | in_vain++; |
395 | if (flush_at <= ++count) { | |
396 | int ack; | |
397 | ||
398 | packet_buf_flush(&req_buf); | |
399 | send_request(args, fd[1], &req_buf); | |
400 | strbuf_setlen(&req_buf, state_len); | |
401 | flushes++; | |
402 | flush_at = next_flush(args, count); | |
403 | ||
404 | /* | |
405 | * We keep one window "ahead" of the other side, and | |
406 | * will wait for an ACK only on the next one | |
407 | */ | |
408 | if (!args->stateless_rpc && count == INITIAL_FLUSH) | |
409 | continue; | |
410 | ||
411 | consume_shallow_list(args, fd[0]); | |
412 | do { | |
413 | ack = get_ack(fd[0], result_sha1); | |
0d789a5b | 414 | if (ack) |
1dd73e20 NTND |
415 | print_verbose(args, _("got %s %d %s"), "ack", |
416 | ack, sha1_to_hex(result_sha1)); | |
745f7a8c NTND |
417 | switch (ack) { |
418 | case ACK: | |
419 | flushes = 0; | |
420 | multi_ack = 0; | |
421 | retval = 0; | |
422 | goto done; | |
423 | case ACK_common: | |
424 | case ACK_ready: | |
425 | case ACK_continue: { | |
426 | struct commit *commit = | |
427 | lookup_commit(result_sha1); | |
428 | if (!commit) | |
1dd73e20 | 429 | die(_("invalid commit %s"), sha1_to_hex(result_sha1)); |
745f7a8c NTND |
430 | if (args->stateless_rpc |
431 | && ack == ACK_common | |
432 | && !(commit->object.flags & COMMON)) { | |
433 | /* We need to replay the have for this object | |
434 | * on the next RPC request so the peer knows | |
435 | * it is in common with us. | |
436 | */ | |
437 | const char *hex = sha1_to_hex(result_sha1); | |
438 | packet_buf_write(&req_buf, "have %s\n", hex); | |
439 | state_len = req_buf.len; | |
440 | } | |
441 | mark_common(commit, 0, 1); | |
442 | retval = 0; | |
443 | in_vain = 0; | |
444 | got_continue = 1; | |
445 | if (ack == ACK_ready) { | |
099327b5 | 446 | clear_prio_queue(&rev_list); |
745f7a8c NTND |
447 | got_ready = 1; |
448 | } | |
449 | break; | |
450 | } | |
451 | } | |
452 | } while (ack); | |
453 | flushes--; | |
454 | if (got_continue && MAX_IN_VAIN < in_vain) { | |
1dd73e20 | 455 | print_verbose(args, _("giving up")); |
745f7a8c NTND |
456 | break; /* give up */ |
457 | } | |
458 | } | |
459 | } | |
460 | done: | |
461 | if (!got_ready || !no_done) { | |
462 | packet_buf_write(&req_buf, "done\n"); | |
463 | send_request(args, fd[1], &req_buf); | |
464 | } | |
1dd73e20 | 465 | print_verbose(args, _("done")); |
745f7a8c NTND |
466 | if (retval != 0) { |
467 | multi_ack = 0; | |
468 | flushes++; | |
469 | } | |
470 | strbuf_release(&req_buf); | |
471 | ||
ff62eca7 NTND |
472 | if (!got_ready || !no_done) |
473 | consume_shallow_list(args, fd[0]); | |
745f7a8c NTND |
474 | while (flushes || multi_ack) { |
475 | int ack = get_ack(fd[0], result_sha1); | |
476 | if (ack) { | |
1dd73e20 NTND |
477 | print_verbose(args, _("got %s (%d) %s"), "ack", |
478 | ack, sha1_to_hex(result_sha1)); | |
745f7a8c NTND |
479 | if (ack == ACK) |
480 | return 0; | |
481 | multi_ack = 1; | |
482 | continue; | |
483 | } | |
484 | flushes--; | |
485 | } | |
486 | /* it is no error to fetch into a completely empty repo */ | |
487 | return count ? retval : 0; | |
488 | } | |
489 | ||
490 | static struct commit_list *complete; | |
491 | ||
6e20a51a | 492 | static int mark_complete(const unsigned char *sha1) |
745f7a8c NTND |
493 | { |
494 | struct object *o = parse_object(sha1); | |
495 | ||
496 | while (o && o->type == OBJ_TAG) { | |
497 | struct tag *t = (struct tag *) o; | |
498 | if (!t->tagged) | |
499 | break; /* broken repository */ | |
500 | o->flags |= COMPLETE; | |
ed1c9977 | 501 | o = parse_object(t->tagged->oid.hash); |
745f7a8c NTND |
502 | } |
503 | if (o && o->type == OBJ_COMMIT) { | |
504 | struct commit *commit = (struct commit *)o; | |
505 | if (!(commit->object.flags & COMPLETE)) { | |
506 | commit->object.flags |= COMPLETE; | |
16445242 | 507 | commit_list_insert(commit, &complete); |
745f7a8c NTND |
508 | } |
509 | } | |
510 | return 0; | |
511 | } | |
512 | ||
f8ee4d85 MH |
513 | static int mark_complete_oid(const char *refname, const struct object_id *oid, |
514 | int flag, void *cb_data) | |
515 | { | |
6e20a51a | 516 | return mark_complete(oid->hash); |
f8ee4d85 MH |
517 | } |
518 | ||
745f7a8c NTND |
519 | static void mark_recent_complete_commits(struct fetch_pack_args *args, |
520 | unsigned long cutoff) | |
521 | { | |
522 | while (complete && cutoff <= complete->item->date) { | |
1dd73e20 | 523 | print_verbose(args, _("Marking %s as complete"), |
0d789a5b | 524 | oid_to_hex(&complete->item->object.oid)); |
745f7a8c NTND |
525 | pop_most_recent_commit(&complete, COMPLETE); |
526 | } | |
527 | } | |
528 | ||
745f7a8c | 529 | static void filter_refs(struct fetch_pack_args *args, |
f2db854d JH |
530 | struct ref **refs, |
531 | struct ref **sought, int nr_sought) | |
745f7a8c NTND |
532 | { |
533 | struct ref *newlist = NULL; | |
534 | struct ref **newtail = &newlist; | |
535 | struct ref *ref, *next; | |
f2db854d | 536 | int i; |
745f7a8c | 537 | |
f2db854d | 538 | i = 0; |
745f7a8c NTND |
539 | for (ref = *refs; ref; ref = next) { |
540 | int keep = 0; | |
541 | next = ref->next; | |
f2db854d | 542 | |
50e19a83 | 543 | if (starts_with(ref->name, "refs/") && |
4c224081 | 544 | check_refname_format(ref->name, 0)) |
745f7a8c NTND |
545 | ; /* trash */ |
546 | else { | |
f2db854d JH |
547 | while (i < nr_sought) { |
548 | int cmp = strcmp(ref->name, sought[i]->name); | |
745f7a8c NTND |
549 | if (cmp < 0) |
550 | break; /* definitely do not have it */ | |
551 | else if (cmp == 0) { | |
552 | keep = 1; /* definitely have it */ | |
f2db854d | 553 | sought[i]->matched = 1; |
745f7a8c | 554 | } |
f2db854d | 555 | i++; |
745f7a8c NTND |
556 | } |
557 | } | |
558 | ||
f2db854d | 559 | if (!keep && args->fetch_all && |
79891cb9 | 560 | (!args->deepen || !starts_with(ref->name, "refs/tags/"))) |
745f7a8c NTND |
561 | keep = 1; |
562 | ||
563 | if (keep) { | |
564 | *newtail = ref; | |
565 | ref->next = NULL; | |
566 | newtail = &ref->next; | |
567 | } else { | |
568 | free(ref); | |
569 | } | |
570 | } | |
571 | ||
6e7b66ee | 572 | /* Append unmatched requests to the list */ |
68ee6289 FM |
573 | if ((allow_unadvertised_object_request & |
574 | (ALLOW_TIP_SHA1 | ALLOW_REACHABLE_SHA1))) { | |
6e7b66ee | 575 | for (i = 0; i < nr_sought; i++) { |
b7916422 JK |
576 | unsigned char sha1[20]; |
577 | ||
6e7b66ee JH |
578 | ref = sought[i]; |
579 | if (ref->matched) | |
580 | continue; | |
b7916422 JK |
581 | if (get_sha1_hex(ref->name, sha1) || |
582 | ref->name[40] != '\0' || | |
f4e54d02 | 583 | hashcmp(sha1, ref->old_oid.hash)) |
6e7b66ee JH |
584 | continue; |
585 | ||
586 | ref->matched = 1; | |
c3c17bf1 JK |
587 | *newtail = copy_ref(ref); |
588 | newtail = &(*newtail)->next; | |
6e7b66ee JH |
589 | } |
590 | } | |
745f7a8c NTND |
591 | *refs = newlist; |
592 | } | |
593 | ||
594 | static void mark_alternate_complete(const struct ref *ref, void *unused) | |
595 | { | |
f4e54d02 | 596 | mark_complete(ref->old_oid.hash); |
745f7a8c NTND |
597 | } |
598 | ||
599 | static int everything_local(struct fetch_pack_args *args, | |
f2db854d JH |
600 | struct ref **refs, |
601 | struct ref **sought, int nr_sought) | |
745f7a8c NTND |
602 | { |
603 | struct ref *ref; | |
604 | int retval; | |
605 | unsigned long cutoff = 0; | |
606 | ||
607 | save_commit_buffer = 0; | |
608 | ||
609 | for (ref = *refs; ref; ref = ref->next) { | |
610 | struct object *o; | |
611 | ||
f4e54d02 | 612 | if (!has_object_file(&ref->old_oid)) |
012a1bb5 JH |
613 | continue; |
614 | ||
f4e54d02 | 615 | o = parse_object(ref->old_oid.hash); |
745f7a8c NTND |
616 | if (!o) |
617 | continue; | |
618 | ||
619 | /* We already have it -- which may mean that we were | |
620 | * in sync with the other side at some time after | |
621 | * that (it is OK if we guess wrong here). | |
622 | */ | |
623 | if (o->type == OBJ_COMMIT) { | |
624 | struct commit *commit = (struct commit *)o; | |
625 | if (!cutoff || cutoff < commit->date) | |
626 | cutoff = commit->date; | |
627 | } | |
628 | } | |
629 | ||
79891cb9 | 630 | if (!args->deepen) { |
f8ee4d85 | 631 | for_each_ref(mark_complete_oid, NULL); |
745f7a8c | 632 | for_each_alternate_ref(mark_alternate_complete, NULL); |
16445242 | 633 | commit_list_sort_by_date(&complete); |
745f7a8c NTND |
634 | if (cutoff) |
635 | mark_recent_complete_commits(args, cutoff); | |
636 | } | |
637 | ||
638 | /* | |
639 | * Mark all complete remote refs as common refs. | |
640 | * Don't mark them common yet; the server has to be told so first. | |
641 | */ | |
642 | for (ref = *refs; ref; ref = ref->next) { | |
f4e54d02 | 643 | struct object *o = deref_tag(lookup_object(ref->old_oid.hash), |
745f7a8c NTND |
644 | NULL, 0); |
645 | ||
646 | if (!o || o->type != OBJ_COMMIT || !(o->flags & COMPLETE)) | |
647 | continue; | |
648 | ||
649 | if (!(o->flags & SEEN)) { | |
650 | rev_list_push((struct commit *)o, COMMON_REF | SEEN); | |
651 | ||
652 | mark_common((struct commit *)o, 1, 1); | |
653 | } | |
654 | } | |
655 | ||
f2db854d | 656 | filter_refs(args, refs, sought, nr_sought); |
745f7a8c NTND |
657 | |
658 | for (retval = 1, ref = *refs; ref ; ref = ref->next) { | |
f4e54d02 | 659 | const unsigned char *remote = ref->old_oid.hash; |
745f7a8c NTND |
660 | struct object *o; |
661 | ||
662 | o = lookup_object(remote); | |
663 | if (!o || !(o->flags & COMPLETE)) { | |
664 | retval = 0; | |
0d789a5b NTND |
665 | print_verbose(args, "want %s (%s)", sha1_to_hex(remote), |
666 | ref->name); | |
745f7a8c NTND |
667 | continue; |
668 | } | |
1dd73e20 | 669 | print_verbose(args, _("already have %s (%s)"), sha1_to_hex(remote), |
0d789a5b | 670 | ref->name); |
745f7a8c NTND |
671 | } |
672 | return retval; | |
673 | } | |
674 | ||
675 | static int sideband_demux(int in, int out, void *data) | |
676 | { | |
677 | int *xd = data; | |
678 | ||
679 | int ret = recv_sideband("fetch-pack", xd[0], out); | |
680 | close(out); | |
681 | return ret; | |
682 | } | |
683 | ||
684 | static int get_pack(struct fetch_pack_args *args, | |
685 | int xd[2], char **pack_lockfile) | |
686 | { | |
687 | struct async demux; | |
745f7a8c | 688 | int do_keep = args->keep_pack; |
984a43b9 JK |
689 | const char *cmd_name; |
690 | struct pack_header header; | |
691 | int pass_header = 0; | |
d3180279 | 692 | struct child_process cmd = CHILD_PROCESS_INIT; |
c6807a40 | 693 | int ret; |
745f7a8c NTND |
694 | |
695 | memset(&demux, 0, sizeof(demux)); | |
696 | if (use_sideband) { | |
697 | /* xd[] is talking with upload-pack; subprocess reads from | |
698 | * xd[0], spits out band#2 to stderr, and feeds us band#1 | |
699 | * through demux->out. | |
700 | */ | |
701 | demux.proc = sideband_demux; | |
702 | demux.data = xd; | |
703 | demux.out = -1; | |
704 | if (start_async(&demux)) | |
1dd73e20 | 705 | die(_("fetch-pack: unable to fork off sideband demultiplexer")); |
745f7a8c NTND |
706 | } |
707 | else | |
708 | demux.out = xd[0]; | |
709 | ||
745f7a8c | 710 | if (!args->keep_pack && unpack_limit) { |
745f7a8c NTND |
711 | |
712 | if (read_pack_header(demux.out, &header)) | |
1dd73e20 | 713 | die(_("protocol error: bad pack header")); |
984a43b9 | 714 | pass_header = 1; |
745f7a8c NTND |
715 | if (ntohl(header.hdr_entries) < unpack_limit) |
716 | do_keep = 0; | |
717 | else | |
718 | do_keep = 1; | |
719 | } | |
720 | ||
6035d6aa | 721 | if (alternate_shallow_file) { |
984a43b9 JK |
722 | argv_array_push(&cmd.args, "--shallow-file"); |
723 | argv_array_push(&cmd.args, alternate_shallow_file); | |
6035d6aa NTND |
724 | } |
725 | ||
745f7a8c NTND |
726 | if (do_keep) { |
727 | if (pack_lockfile) | |
728 | cmd.out = -1; | |
984a43b9 JK |
729 | cmd_name = "index-pack"; |
730 | argv_array_push(&cmd.args, cmd_name); | |
731 | argv_array_push(&cmd.args, "--stdin"); | |
745f7a8c | 732 | if (!args->quiet && !args->no_progress) |
984a43b9 | 733 | argv_array_push(&cmd.args, "-v"); |
745f7a8c | 734 | if (args->use_thin_pack) |
984a43b9 | 735 | argv_array_push(&cmd.args, "--fix-thin"); |
745f7a8c | 736 | if (args->lock_pack || unpack_limit) { |
984a43b9 JK |
737 | char hostname[256]; |
738 | if (gethostname(hostname, sizeof(hostname))) | |
739 | xsnprintf(hostname, sizeof(hostname), "localhost"); | |
740 | argv_array_pushf(&cmd.args, | |
741 | "--keep=fetch-pack %"PRIuMAX " on %s", | |
742 | (uintmax_t)getpid(), hostname); | |
745f7a8c | 743 | } |
c6807a40 | 744 | if (args->check_self_contained_and_connected) |
984a43b9 | 745 | argv_array_push(&cmd.args, "--check-self-contained-and-connected"); |
745f7a8c NTND |
746 | } |
747 | else { | |
984a43b9 JK |
748 | cmd_name = "unpack-objects"; |
749 | argv_array_push(&cmd.args, cmd_name); | |
745f7a8c | 750 | if (args->quiet || args->no_progress) |
984a43b9 | 751 | argv_array_push(&cmd.args, "-q"); |
c6807a40 | 752 | args->check_self_contained_and_connected = 0; |
745f7a8c | 753 | } |
984a43b9 JK |
754 | |
755 | if (pass_header) | |
756 | argv_array_pushf(&cmd.args, "--pack_header=%"PRIu32",%"PRIu32, | |
757 | ntohl(header.hdr_version), | |
758 | ntohl(header.hdr_entries)); | |
745f7a8c NTND |
759 | if (fetch_fsck_objects >= 0 |
760 | ? fetch_fsck_objects | |
761 | : transfer_fsck_objects >= 0 | |
762 | ? transfer_fsck_objects | |
763 | : 0) | |
984a43b9 | 764 | argv_array_push(&cmd.args, "--strict"); |
745f7a8c NTND |
765 | |
766 | cmd.in = demux.out; | |
767 | cmd.git_cmd = 1; | |
768 | if (start_command(&cmd)) | |
1dd73e20 | 769 | die(_("fetch-pack: unable to fork off %s"), cmd_name); |
745f7a8c NTND |
770 | if (do_keep && pack_lockfile) { |
771 | *pack_lockfile = index_pack_lockfile(cmd.out); | |
772 | close(cmd.out); | |
773 | } | |
774 | ||
37cb1dd6 JL |
775 | if (!use_sideband) |
776 | /* Closed by start_command() */ | |
777 | xd[0] = -1; | |
778 | ||
c6807a40 NTND |
779 | ret = finish_command(&cmd); |
780 | if (!ret || (args->check_self_contained_and_connected && ret == 1)) | |
781 | args->self_contained_and_connected = | |
782 | args->check_self_contained_and_connected && | |
783 | ret == 0; | |
784 | else | |
1dd73e20 | 785 | die(_("%s failed"), cmd_name); |
745f7a8c | 786 | if (use_sideband && finish_async(&demux)) |
1dd73e20 | 787 | die(_("error in sideband demultiplexer")); |
745f7a8c NTND |
788 | return 0; |
789 | } | |
790 | ||
f2db854d JH |
791 | static int cmp_ref_by_name(const void *a_, const void *b_) |
792 | { | |
793 | const struct ref *a = *((const struct ref **)a_); | |
794 | const struct ref *b = *((const struct ref **)b_); | |
795 | return strcmp(a->name, b->name); | |
796 | } | |
797 | ||
745f7a8c NTND |
798 | static struct ref *do_fetch_pack(struct fetch_pack_args *args, |
799 | int fd[2], | |
800 | const struct ref *orig_ref, | |
f2db854d | 801 | struct ref **sought, int nr_sought, |
beea4152 | 802 | struct shallow_info *si, |
745f7a8c NTND |
803 | char **pack_lockfile) |
804 | { | |
805 | struct ref *ref = copy_ref_list(orig_ref); | |
806 | unsigned char sha1[20]; | |
807 | const char *agent_feature; | |
808 | int agent_len; | |
809 | ||
810 | sort_ref_list(&ref, ref_compare_name); | |
f2db854d | 811 | qsort(sought, nr_sought, sizeof(*sought), cmp_ref_by_name); |
745f7a8c | 812 | |
eb86a507 | 813 | if ((args->depth > 0 || is_repository_shallow()) && !server_supports("shallow")) |
1dd73e20 | 814 | die(_("Server does not support shallow clients")); |
79891cb9 NTND |
815 | if (args->depth > 0) |
816 | args->deepen = 1; | |
745f7a8c | 817 | if (server_supports("multi_ack_detailed")) { |
1dd73e20 | 818 | print_verbose(args, _("Server supports multi_ack_detailed")); |
745f7a8c NTND |
819 | multi_ack = 2; |
820 | if (server_supports("no-done")) { | |
1dd73e20 | 821 | print_verbose(args, _("Server supports no-done")); |
745f7a8c NTND |
822 | if (args->stateless_rpc) |
823 | no_done = 1; | |
824 | } | |
825 | } | |
826 | else if (server_supports("multi_ack")) { | |
1dd73e20 | 827 | print_verbose(args, _("Server supports multi_ack")); |
745f7a8c NTND |
828 | multi_ack = 1; |
829 | } | |
830 | if (server_supports("side-band-64k")) { | |
1dd73e20 | 831 | print_verbose(args, _("Server supports side-band-64k")); |
745f7a8c NTND |
832 | use_sideband = 2; |
833 | } | |
834 | else if (server_supports("side-band")) { | |
1dd73e20 | 835 | print_verbose(args, _("Server supports side-band")); |
745f7a8c NTND |
836 | use_sideband = 1; |
837 | } | |
6e7b66ee | 838 | if (server_supports("allow-tip-sha1-in-want")) { |
1dd73e20 | 839 | print_verbose(args, _("Server supports allow-tip-sha1-in-want")); |
7199c093 | 840 | allow_unadvertised_object_request |= ALLOW_TIP_SHA1; |
6e7b66ee | 841 | } |
68ee6289 | 842 | if (server_supports("allow-reachable-sha1-in-want")) { |
1dd73e20 | 843 | print_verbose(args, _("Server supports allow-reachable-sha1-in-want")); |
68ee6289 FM |
844 | allow_unadvertised_object_request |= ALLOW_REACHABLE_SHA1; |
845 | } | |
745f7a8c NTND |
846 | if (!server_supports("thin-pack")) |
847 | args->use_thin_pack = 0; | |
848 | if (!server_supports("no-progress")) | |
849 | args->no_progress = 0; | |
850 | if (!server_supports("include-tag")) | |
851 | args->include_tag = 0; | |
0d789a5b | 852 | if (server_supports("ofs-delta")) |
1dd73e20 | 853 | print_verbose(args, _("Server supports ofs-delta")); |
0d789a5b | 854 | else |
745f7a8c NTND |
855 | prefer_ofs_delta = 0; |
856 | ||
857 | if ((agent_feature = server_feature_value("agent", &agent_len))) { | |
858 | agent_supported = 1; | |
0d789a5b | 859 | if (agent_len) |
1dd73e20 | 860 | print_verbose(args, _("Server version is %.*s"), |
0d789a5b | 861 | agent_len, agent_feature); |
745f7a8c NTND |
862 | } |
863 | ||
f2db854d | 864 | if (everything_local(args, &ref, sought, nr_sought)) { |
745f7a8c NTND |
865 | packet_flush(fd[1]); |
866 | goto all_done; | |
867 | } | |
868 | if (find_common(args, fd, sha1, ref) < 0) | |
869 | if (!args->keep_pack) | |
870 | /* When cloning, it is not unusual to have | |
871 | * no common commit. | |
872 | */ | |
1dd73e20 | 873 | warning(_("no common commits")); |
745f7a8c NTND |
874 | |
875 | if (args->stateless_rpc) | |
876 | packet_flush(fd[1]); | |
79891cb9 | 877 | if (args->deepen) |
1a30f5a2 NTND |
878 | setup_alternate_shallow(&shallow_lock, &alternate_shallow_file, |
879 | NULL); | |
4820a33b | 880 | else if (si->nr_ours || si->nr_theirs) |
beea4152 | 881 | alternate_shallow_file = setup_temporary_shallow(si->shallow); |
6da8bdcb NTND |
882 | else |
883 | alternate_shallow_file = NULL; | |
745f7a8c | 884 | if (get_pack(args, fd, pack_lockfile)) |
1dd73e20 | 885 | die(_("git fetch-pack: fetch failed.")); |
745f7a8c NTND |
886 | |
887 | all_done: | |
888 | return ref; | |
889 | } | |
890 | ||
f44af51d | 891 | static void fetch_pack_config(void) |
745f7a8c | 892 | { |
f44af51d TA |
893 | git_config_get_int("fetch.unpacklimit", &fetch_unpack_limit); |
894 | git_config_get_int("transfer.unpacklimit", &transfer_unpack_limit); | |
895 | git_config_get_bool("repack.usedeltabaseoffset", &prefer_ofs_delta); | |
896 | git_config_get_bool("fetch.fsckobjects", &fetch_fsck_objects); | |
897 | git_config_get_bool("transfer.fsckobjects", &transfer_fsck_objects); | |
745f7a8c | 898 | |
f44af51d | 899 | git_config(git_default_config, NULL); |
745f7a8c NTND |
900 | } |
901 | ||
745f7a8c NTND |
902 | static void fetch_pack_setup(void) |
903 | { | |
904 | static int did_setup; | |
905 | if (did_setup) | |
906 | return; | |
f44af51d | 907 | fetch_pack_config(); |
745f7a8c NTND |
908 | if (0 <= transfer_unpack_limit) |
909 | unpack_limit = transfer_unpack_limit; | |
910 | else if (0 <= fetch_unpack_limit) | |
911 | unpack_limit = fetch_unpack_limit; | |
912 | did_setup = 1; | |
913 | } | |
914 | ||
f2db854d JH |
915 | static int remove_duplicates_in_refs(struct ref **ref, int nr) |
916 | { | |
917 | struct string_list names = STRING_LIST_INIT_NODUP; | |
918 | int src, dst; | |
919 | ||
920 | for (src = dst = 0; src < nr; src++) { | |
921 | struct string_list_item *item; | |
922 | item = string_list_insert(&names, ref[src]->name); | |
923 | if (item->util) | |
924 | continue; /* already have it */ | |
925 | item->util = ref[src]; | |
926 | if (src != dst) | |
927 | ref[dst] = ref[src]; | |
928 | dst++; | |
929 | } | |
930 | for (src = dst; src < nr; src++) | |
931 | ref[src] = NULL; | |
932 | string_list_clear(&names, 0); | |
933 | return dst; | |
934 | } | |
935 | ||
beea4152 | 936 | static void update_shallow(struct fetch_pack_args *args, |
4820a33b | 937 | struct ref **sought, int nr_sought, |
beea4152 | 938 | struct shallow_info *si) |
a796ccee | 939 | { |
4820a33b NTND |
940 | struct sha1_array ref = SHA1_ARRAY_INIT; |
941 | int *status; | |
beea4152 NTND |
942 | int i; |
943 | ||
79891cb9 | 944 | if (args->deepen && alternate_shallow_file) { |
a796ccee | 945 | if (*alternate_shallow_file == '\0') { /* --unshallow */ |
f932729c | 946 | unlink_or_warn(git_path_shallow()); |
a796ccee NTND |
947 | rollback_lock_file(&shallow_lock); |
948 | } else | |
949 | commit_lock_file(&shallow_lock); | |
950 | return; | |
951 | } | |
beea4152 NTND |
952 | |
953 | if (!si->shallow || !si->shallow->nr) | |
954 | return; | |
955 | ||
beea4152 NTND |
956 | if (args->cloning) { |
957 | /* | |
958 | * remote is shallow, but this is a clone, there are | |
959 | * no objects in repo to worry about. Accept any | |
960 | * shallow points that exist in the pack (iow in repo | |
961 | * after get_pack() and reprepare_packed_git()) | |
962 | */ | |
963 | struct sha1_array extra = SHA1_ARRAY_INIT; | |
964 | unsigned char (*sha1)[20] = si->shallow->sha1; | |
965 | for (i = 0; i < si->shallow->nr; i++) | |
966 | if (has_sha1_file(sha1[i])) | |
967 | sha1_array_append(&extra, sha1[i]); | |
968 | if (extra.nr) { | |
969 | setup_alternate_shallow(&shallow_lock, | |
970 | &alternate_shallow_file, | |
971 | &extra); | |
972 | commit_lock_file(&shallow_lock); | |
973 | } | |
974 | sha1_array_clear(&extra); | |
975 | return; | |
976 | } | |
4820a33b NTND |
977 | |
978 | if (!si->nr_ours && !si->nr_theirs) | |
979 | return; | |
980 | ||
981 | remove_nonexistent_theirs_shallow(si); | |
4820a33b NTND |
982 | if (!si->nr_ours && !si->nr_theirs) |
983 | return; | |
984 | for (i = 0; i < nr_sought; i++) | |
f4e54d02 | 985 | sha1_array_append(&ref, sought[i]->old_oid.hash); |
4820a33b NTND |
986 | si->ref = &ref; |
987 | ||
48d25cae NTND |
988 | if (args->update_shallow) { |
989 | /* | |
990 | * remote is also shallow, .git/shallow may be updated | |
991 | * so all refs can be accepted. Make sure we only add | |
992 | * shallow roots that are actually reachable from new | |
993 | * refs. | |
994 | */ | |
995 | struct sha1_array extra = SHA1_ARRAY_INIT; | |
996 | unsigned char (*sha1)[20] = si->shallow->sha1; | |
997 | assign_shallow_commits_to_refs(si, NULL, NULL); | |
998 | if (!si->nr_ours && !si->nr_theirs) { | |
999 | sha1_array_clear(&ref); | |
1000 | return; | |
1001 | } | |
1002 | for (i = 0; i < si->nr_ours; i++) | |
1003 | sha1_array_append(&extra, sha1[si->ours[i]]); | |
1004 | for (i = 0; i < si->nr_theirs; i++) | |
1005 | sha1_array_append(&extra, sha1[si->theirs[i]]); | |
1006 | setup_alternate_shallow(&shallow_lock, | |
1007 | &alternate_shallow_file, | |
1008 | &extra); | |
1009 | commit_lock_file(&shallow_lock); | |
1010 | sha1_array_clear(&extra); | |
1011 | sha1_array_clear(&ref); | |
1012 | return; | |
1013 | } | |
1014 | ||
4820a33b NTND |
1015 | /* |
1016 | * remote is also shallow, check what ref is safe to update | |
1017 | * without updating .git/shallow | |
1018 | */ | |
1019 | status = xcalloc(nr_sought, sizeof(*status)); | |
1020 | assign_shallow_commits_to_refs(si, NULL, status); | |
1021 | if (si->nr_ours || si->nr_theirs) { | |
1022 | for (i = 0; i < nr_sought; i++) | |
1023 | if (status[i]) | |
1024 | sought[i]->status = REF_STATUS_REJECT_SHALLOW; | |
1025 | } | |
1026 | free(status); | |
1027 | sha1_array_clear(&ref); | |
a796ccee NTND |
1028 | } |
1029 | ||
745f7a8c NTND |
1030 | struct ref *fetch_pack(struct fetch_pack_args *args, |
1031 | int fd[], struct child_process *conn, | |
1032 | const struct ref *ref, | |
1033 | const char *dest, | |
f2db854d | 1034 | struct ref **sought, int nr_sought, |
beea4152 | 1035 | struct sha1_array *shallow, |
745f7a8c NTND |
1036 | char **pack_lockfile) |
1037 | { | |
745f7a8c | 1038 | struct ref *ref_cpy; |
beea4152 | 1039 | struct shallow_info si; |
745f7a8c NTND |
1040 | |
1041 | fetch_pack_setup(); | |
f2db854d JH |
1042 | if (nr_sought) |
1043 | nr_sought = remove_duplicates_in_refs(sought, nr_sought); | |
745f7a8c NTND |
1044 | |
1045 | if (!ref) { | |
1046 | packet_flush(fd[1]); | |
1dd73e20 | 1047 | die(_("no matching remote head")); |
745f7a8c | 1048 | } |
beea4152 NTND |
1049 | prepare_shallow_info(&si, shallow); |
1050 | ref_cpy = do_fetch_pack(args, fd, ref, sought, nr_sought, | |
1051 | &si, pack_lockfile); | |
745f7a8c | 1052 | reprepare_packed_git(); |
4820a33b | 1053 | update_shallow(args, sought, nr_sought, &si); |
beea4152 | 1054 | clear_shallow_info(&si); |
745f7a8c NTND |
1055 | return ref_cpy; |
1056 | } |