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pickaxe: assert that we must have a needle under -G or -S
[git/debian.git] / builtin / fetch.c
blob0b90de87c7a2ade9e11e67c8d59338eebdc131a7
1 /*
2 * "git fetch"
3 */
4 #include "cache.h"
5 #include "config.h"
6 #include "repository.h"
7 #include "refs.h"
8 #include "refspec.h"
9 #include "object-store.h"
10 #include "oidset.h"
11 #include "commit.h"
12 #include "builtin.h"
13 #include "string-list.h"
14 #include "remote.h"
15 #include "transport.h"
16 #include "run-command.h"
17 #include "parse-options.h"
18 #include "sigchain.h"
19 #include "submodule-config.h"
20 #include "submodule.h"
21 #include "connected.h"
22 #include "strvec.h"
23 #include "utf8.h"
24 #include "packfile.h"
25 #include "list-objects-filter-options.h"
26 #include "commit-reach.h"
27 #include "branch.h"
28 #include "promisor-remote.h"
29 #include "commit-graph.h"
30 #include "shallow.h"
31
32 #define FORCED_UPDATES_DELAY_WARNING_IN_MS (10 * 1000)
33
34 static const char * const builtin_fetch_usage[] = {
35 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
36 N_("git fetch [<options>] <group>"),
37 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
38 N_("git fetch --all [<options>]"),
39 NULL
40 };
41
42 enum {
43 TAGS_UNSET = 0,
44 TAGS_DEFAULT = 1,
45 TAGS_SET = 2
46 };
47
48 static int fetch_prune_config = -1; /* unspecified */
49 static int fetch_show_forced_updates = 1;
50 static uint64_t forced_updates_ms = 0;
51 static int prune = -1; /* unspecified */
52 #define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
53
54 static int fetch_prune_tags_config = -1; /* unspecified */
55 static int prune_tags = -1; /* unspecified */
56 #define PRUNE_TAGS_BY_DEFAULT 0 /* do we prune tags by default? */
57
58 static int all, append, dry_run, force, keep, multiple, update_head_ok;
59 static int write_fetch_head = 1;
60 static int verbosity, deepen_relative, set_upstream;
61 static int progress = -1;
62 static int enable_auto_gc = 1;
63 static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen;
64 static int max_jobs = -1, submodule_fetch_jobs_config = -1;
65 static int fetch_parallel_config = 1;
66 static int atomic_fetch;
67 static enum transport_family family;
68 static const char *depth;
69 static const char *deepen_since;
70 static const char *upload_pack;
71 static struct string_list deepen_not = STRING_LIST_INIT_NODUP;
72 static struct strbuf default_rla = STRBUF_INIT;
73 static struct transport *gtransport;
74 static struct transport *gsecondary;
75 static const char *submodule_prefix = "";
76 static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
77 static int recurse_submodules_default = RECURSE_SUBMODULES_ON_DEMAND;
78 static int shown_url = 0;
79 static struct refspec refmap = REFSPEC_INIT_FETCH;
80 static struct list_objects_filter_options filter_options;
81 static struct string_list server_options = STRING_LIST_INIT_DUP;
82 static struct string_list negotiation_tip = STRING_LIST_INIT_NODUP;
83 static int fetch_write_commit_graph = -1;
84 static int stdin_refspecs = 0;
85
86 static int git_fetch_config(const char *k, const char *v, void *cb)
87 {
88 if (!strcmp(k, "fetch.prune")) {
89 fetch_prune_config = git_config_bool(k, v);
90 return 0;
91 }
92
93 if (!strcmp(k, "fetch.prunetags")) {
94 fetch_prune_tags_config = git_config_bool(k, v);
95 return 0;
96 }
97
98 if (!strcmp(k, "fetch.showforcedupdates")) {
99 fetch_show_forced_updates = git_config_bool(k, v);
100 return 0;
101 }
102
103 if (!strcmp(k, "submodule.recurse")) {
104 int r = git_config_bool(k, v) ?
105 RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF;
106 recurse_submodules = r;
107 }
108
109 if (!strcmp(k, "submodule.fetchjobs")) {
110 submodule_fetch_jobs_config = parse_submodule_fetchjobs(k, v);
111 return 0;
112 } else if (!strcmp(k, "fetch.recursesubmodules")) {
113 recurse_submodules = parse_fetch_recurse_submodules_arg(k, v);
114 return 0;
115 }
116
117 if (!strcmp(k, "fetch.parallel")) {
118 fetch_parallel_config = git_config_int(k, v);
119 if (fetch_parallel_config < 0)
120 die(_("fetch.parallel cannot be negative"));
121 return 0;
122 }
123
124 return git_default_config(k, v, cb);
125 }
126
127 static int parse_refmap_arg(const struct option *opt, const char *arg, int unset)
128 {
129 BUG_ON_OPT_NEG(unset);
130
131 /*
132 * "git fetch --refmap='' origin foo"
133 * can be used to tell the command not to store anywhere
134 */
135 refspec_append(&refmap, arg);
136
137 return 0;
138 }
139
140 static struct option builtin_fetch_options[] = {
141 OPT__VERBOSITY(&verbosity),
142 OPT_BOOL(0, "all", &all,
143 N_("fetch from all remotes")),
144 OPT_BOOL(0, "set-upstream", &set_upstream,
145 N_("set upstream for git pull/fetch")),
146 OPT_BOOL('a', "append", &append,
147 N_("append to .git/FETCH_HEAD instead of overwriting")),
148 OPT_BOOL(0, "atomic", &atomic_fetch,
149 N_("use atomic transaction to update references")),
150 OPT_STRING(0, "upload-pack", &upload_pack, N_("path"),
151 N_("path to upload pack on remote end")),
152 OPT__FORCE(&force, N_("force overwrite of local reference"), 0),
153 OPT_BOOL('m', "multiple", &multiple,
154 N_("fetch from multiple remotes")),
155 OPT_SET_INT('t', "tags", &tags,
156 N_("fetch all tags and associated objects"), TAGS_SET),
157 OPT_SET_INT('n', NULL, &tags,
158 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET),
159 OPT_INTEGER('j', "jobs", &max_jobs,
160 N_("number of submodules fetched in parallel")),
161 OPT_BOOL('p', "prune", &prune,
162 N_("prune remote-tracking branches no longer on remote")),
163 OPT_BOOL('P', "prune-tags", &prune_tags,
164 N_("prune local tags no longer on remote and clobber changed tags")),
165 OPT_CALLBACK_F(0, "recurse-submodules", &recurse_submodules, N_("on-demand"),
166 N_("control recursive fetching of submodules"),
167 PARSE_OPT_OPTARG, option_fetch_parse_recurse_submodules),
168 OPT_BOOL(0, "dry-run", &dry_run,
169 N_("dry run")),
170 OPT_BOOL(0, "write-fetch-head", &write_fetch_head,
171 N_("write fetched references to the FETCH_HEAD file")),
172 OPT_BOOL('k', "keep", &keep, N_("keep downloaded pack")),
173 OPT_BOOL('u', "update-head-ok", &update_head_ok,
174 N_("allow updating of HEAD ref")),
175 OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
176 OPT_STRING(0, "depth", &depth, N_("depth"),
177 N_("deepen history of shallow clone")),
178 OPT_STRING(0, "shallow-since", &deepen_since, N_("time"),
179 N_("deepen history of shallow repository based on time")),
180 OPT_STRING_LIST(0, "shallow-exclude", &deepen_not, N_("revision"),
181 N_("deepen history of shallow clone, excluding rev")),
182 OPT_INTEGER(0, "deepen", &deepen_relative,
183 N_("deepen history of shallow clone")),
184 OPT_SET_INT_F(0, "unshallow", &unshallow,
185 N_("convert to a complete repository"),
186 1, PARSE_OPT_NONEG),
187 { OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, N_("dir"),
188 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN },
189 OPT_CALLBACK_F(0, "recurse-submodules-default",
190 &recurse_submodules_default, N_("on-demand"),
191 N_("default for recursive fetching of submodules "
192 "(lower priority than config files)"),
193 PARSE_OPT_HIDDEN, option_fetch_parse_recurse_submodules),
194 OPT_BOOL(0, "update-shallow", &update_shallow,
195 N_("accept refs that update .git/shallow")),
196 OPT_CALLBACK_F(0, "refmap", NULL, N_("refmap"),
197 N_("specify fetch refmap"), PARSE_OPT_NONEG, parse_refmap_arg),
198 OPT_STRING_LIST('o', "server-option", &server_options, N_("server-specific"), N_("option to transmit")),
199 OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
200 TRANSPORT_FAMILY_IPV4),
201 OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
202 TRANSPORT_FAMILY_IPV6),
203 OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip, N_("revision"),
204 N_("report that we have only objects reachable from this object")),
205 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
206 OPT_BOOL(0, "auto-maintenance", &enable_auto_gc,
207 N_("run 'maintenance --auto' after fetching")),
208 OPT_BOOL(0, "auto-gc", &enable_auto_gc,
209 N_("run 'maintenance --auto' after fetching")),
210 OPT_BOOL(0, "show-forced-updates", &fetch_show_forced_updates,
211 N_("check for forced-updates on all updated branches")),
212 OPT_BOOL(0, "write-commit-graph", &fetch_write_commit_graph,
213 N_("write the commit-graph after fetching")),
214 OPT_BOOL(0, "stdin", &stdin_refspecs,
215 N_("accept refspecs from stdin")),
216 OPT_END()
217 };
218
219 static void unlock_pack(void)
220 {
221 if (gtransport)
222 transport_unlock_pack(gtransport);
223 if (gsecondary)
224 transport_unlock_pack(gsecondary);
225 }
226
227 static void unlock_pack_on_signal(int signo)
228 {
229 unlock_pack();
230 sigchain_pop(signo);
231 raise(signo);
232 }
233
234 static void add_merge_config(struct ref **head,
235 const struct ref *remote_refs,
236 struct branch *branch,
237 struct ref ***tail)
238 {
239 int i;
240
241 for (i = 0; i < branch->merge_nr; i++) {
242 struct ref *rm, **old_tail = *tail;
243 struct refspec_item refspec;
244
245 for (rm = *head; rm; rm = rm->next) {
246 if (branch_merge_matches(branch, i, rm->name)) {
247 rm->fetch_head_status = FETCH_HEAD_MERGE;
248 break;
249 }
250 }
251 if (rm)
252 continue;
253
254 /*
255 * Not fetched to a remote-tracking branch? We need to fetch
256 * it anyway to allow this branch's "branch.$name.merge"
257 * to be honored by 'git pull', but we do not have to
258 * fail if branch.$name.merge is misconfigured to point
259 * at a nonexisting branch. If we were indeed called by
260 * 'git pull', it will notice the misconfiguration because
261 * there is no entry in the resulting FETCH_HEAD marked
262 * for merging.
263 */
264 memset(&refspec, 0, sizeof(refspec));
265 refspec.src = branch->merge[i]->src;
266 get_fetch_map(remote_refs, &refspec, tail, 1);
267 for (rm = *old_tail; rm; rm = rm->next)
268 rm->fetch_head_status = FETCH_HEAD_MERGE;
269 }
270 }
271
272 static void create_fetch_oidset(struct ref **head, struct oidset *out)
273 {
274 struct ref *rm = *head;
275 while (rm) {
276 oidset_insert(out, &rm->old_oid);
277 rm = rm->next;
278 }
279 }
280
281 struct refname_hash_entry {
282 struct hashmap_entry ent;
283 struct object_id oid;
284 int ignore;
285 char refname[FLEX_ARRAY];
286 };
287
288 static int refname_hash_entry_cmp(const void *hashmap_cmp_fn_data,
289 const struct hashmap_entry *eptr,
290 const struct hashmap_entry *entry_or_key,
291 const void *keydata)
292 {
293 const struct refname_hash_entry *e1, *e2;
294
295 e1 = container_of(eptr, const struct refname_hash_entry, ent);
296 e2 = container_of(entry_or_key, const struct refname_hash_entry, ent);
297 return strcmp(e1->refname, keydata ? keydata : e2->refname);
298 }
299
300 static struct refname_hash_entry *refname_hash_add(struct hashmap *map,
301 const char *refname,
302 const struct object_id *oid)
303 {
304 struct refname_hash_entry *ent;
305 size_t len = strlen(refname);
306
307 FLEX_ALLOC_MEM(ent, refname, refname, len);
308 hashmap_entry_init(&ent->ent, strhash(refname));
309 oidcpy(&ent->oid, oid);
310 hashmap_add(map, &ent->ent);
311 return ent;
312 }
313
314 static int add_one_refname(const char *refname,
315 const struct object_id *oid,
316 int flag, void *cbdata)
317 {
318 struct hashmap *refname_map = cbdata;
319
320 (void) refname_hash_add(refname_map, refname, oid);
321 return 0;
322 }
323
324 static void refname_hash_init(struct hashmap *map)
325 {
326 hashmap_init(map, refname_hash_entry_cmp, NULL, 0);
327 }
328
329 static int refname_hash_exists(struct hashmap *map, const char *refname)
330 {
331 return !!hashmap_get_from_hash(map, strhash(refname), refname);
332 }
333
334 static void clear_item(struct refname_hash_entry *item)
335 {
336 item->ignore = 1;
337 }
338
339 static void find_non_local_tags(const struct ref *refs,
340 struct ref **head,
341 struct ref ***tail)
342 {
343 struct hashmap existing_refs;
344 struct hashmap remote_refs;
345 struct oidset fetch_oids = OIDSET_INIT;
346 struct string_list remote_refs_list = STRING_LIST_INIT_NODUP;
347 struct string_list_item *remote_ref_item;
348 const struct ref *ref;
349 struct refname_hash_entry *item = NULL;
350 const int quick_flags = OBJECT_INFO_QUICK | OBJECT_INFO_SKIP_FETCH_OBJECT;
351
352 refname_hash_init(&existing_refs);
353 refname_hash_init(&remote_refs);
354 create_fetch_oidset(head, &fetch_oids);
355
356 for_each_ref(add_one_refname, &existing_refs);
357 for (ref = refs; ref; ref = ref->next) {
358 if (!starts_with(ref->name, "refs/tags/"))
359 continue;
360
361 /*
362 * The peeled ref always follows the matching base
363 * ref, so if we see a peeled ref that we don't want
364 * to fetch then we can mark the ref entry in the list
365 * as one to ignore by setting util to NULL.
366 */
367 if (ends_with(ref->name, "^{}")) {
368 if (item &&
369 !has_object_file_with_flags(&ref->old_oid, quick_flags) &&
370 !oidset_contains(&fetch_oids, &ref->old_oid) &&
371 !has_object_file_with_flags(&item->oid, quick_flags) &&
372 !oidset_contains(&fetch_oids, &item->oid))
373 clear_item(item);
374 item = NULL;
375 continue;
376 }
377
378 /*
379 * If item is non-NULL here, then we previously saw a
380 * ref not followed by a peeled reference, so we need
381 * to check if it is a lightweight tag that we want to
382 * fetch.
383 */
384 if (item &&
385 !has_object_file_with_flags(&item->oid, quick_flags) &&
386 !oidset_contains(&fetch_oids, &item->oid))
387 clear_item(item);
388
389 item = NULL;
390
391 /* skip duplicates and refs that we already have */
392 if (refname_hash_exists(&remote_refs, ref->name) ||
393 refname_hash_exists(&existing_refs, ref->name))
394 continue;
395
396 item = refname_hash_add(&remote_refs, ref->name, &ref->old_oid);
397 string_list_insert(&remote_refs_list, ref->name);
398 }
399 hashmap_clear_and_free(&existing_refs, struct refname_hash_entry, ent);
400
401 /*
402 * We may have a final lightweight tag that needs to be
403 * checked to see if it needs fetching.
404 */
405 if (item &&
406 !has_object_file_with_flags(&item->oid, quick_flags) &&
407 !oidset_contains(&fetch_oids, &item->oid))
408 clear_item(item);
409
410 /*
411 * For all the tags in the remote_refs_list,
412 * add them to the list of refs to be fetched
413 */
414 for_each_string_list_item(remote_ref_item, &remote_refs_list) {
415 const char *refname = remote_ref_item->string;
416 struct ref *rm;
417 unsigned int hash = strhash(refname);
418
419 item = hashmap_get_entry_from_hash(&remote_refs, hash, refname,
420 struct refname_hash_entry, ent);
421 if (!item)
422 BUG("unseen remote ref?");
423
424 /* Unless we have already decided to ignore this item... */
425 if (item->ignore)
426 continue;
427
428 rm = alloc_ref(item->refname);
429 rm->peer_ref = alloc_ref(item->refname);
430 oidcpy(&rm->old_oid, &item->oid);
431 **tail = rm;
432 *tail = &rm->next;
433 }
434 hashmap_clear_and_free(&remote_refs, struct refname_hash_entry, ent);
435 string_list_clear(&remote_refs_list, 0);
436 oidset_clear(&fetch_oids);
437 }
438
439 static struct ref *get_ref_map(struct remote *remote,
440 const struct ref *remote_refs,
441 struct refspec *rs,
442 int tags, int *autotags)
443 {
444 int i;
445 struct ref *rm;
446 struct ref *ref_map = NULL;
447 struct ref **tail = &ref_map;
448
449 /* opportunistically-updated references: */
450 struct ref *orefs = NULL, **oref_tail = &orefs;
451
452 struct hashmap existing_refs;
453 int existing_refs_populated = 0;
454
455 if (rs->nr) {
456 struct refspec *fetch_refspec;
457
458 for (i = 0; i < rs->nr; i++) {
459 get_fetch_map(remote_refs, &rs->items[i], &tail, 0);
460 if (rs->items[i].dst && rs->items[i].dst[0])
461 *autotags = 1;
462 }
463 /* Merge everything on the command line (but not --tags) */
464 for (rm = ref_map; rm; rm = rm->next)
465 rm->fetch_head_status = FETCH_HEAD_MERGE;
466
467 /*
468 * For any refs that we happen to be fetching via
469 * command-line arguments, the destination ref might
470 * have been missing or have been different than the
471 * remote-tracking ref that would be derived from the
472 * configured refspec. In these cases, we want to
473 * take the opportunity to update their configured
474 * remote-tracking reference. However, we do not want
475 * to mention these entries in FETCH_HEAD at all, as
476 * they would simply be duplicates of existing
477 * entries, so we set them FETCH_HEAD_IGNORE below.
478 *
479 * We compute these entries now, based only on the
480 * refspecs specified on the command line. But we add
481 * them to the list following the refspecs resulting
482 * from the tags option so that one of the latter,
483 * which has FETCH_HEAD_NOT_FOR_MERGE, is not removed
484 * by ref_remove_duplicates() in favor of one of these
485 * opportunistic entries with FETCH_HEAD_IGNORE.
486 */
487 if (refmap.nr)
488 fetch_refspec = &refmap;
489 else
490 fetch_refspec = &remote->fetch;
491
492 for (i = 0; i < fetch_refspec->nr; i++)
493 get_fetch_map(ref_map, &fetch_refspec->items[i], &oref_tail, 1);
494 } else if (refmap.nr) {
495 die("--refmap option is only meaningful with command-line refspec(s).");
496 } else {
497 /* Use the defaults */
498 struct branch *branch = branch_get(NULL);
499 int has_merge = branch_has_merge_config(branch);
500 if (remote &&
501 (remote->fetch.nr ||
502 /* Note: has_merge implies non-NULL branch->remote_name */
503 (has_merge && !strcmp(branch->remote_name, remote->name)))) {
504 for (i = 0; i < remote->fetch.nr; i++) {
505 get_fetch_map(remote_refs, &remote->fetch.items[i], &tail, 0);
506 if (remote->fetch.items[i].dst &&
507 remote->fetch.items[i].dst[0])
508 *autotags = 1;
509 if (!i && !has_merge && ref_map &&
510 !remote->fetch.items[0].pattern)
511 ref_map->fetch_head_status = FETCH_HEAD_MERGE;
512 }
513 /*
514 * if the remote we're fetching from is the same
515 * as given in branch.<name>.remote, we add the
516 * ref given in branch.<name>.merge, too.
517 *
518 * Note: has_merge implies non-NULL branch->remote_name
519 */
520 if (has_merge &&
521 !strcmp(branch->remote_name, remote->name))
522 add_merge_config(&ref_map, remote_refs, branch, &tail);
523 } else {
524 ref_map = get_remote_ref(remote_refs, "HEAD");
525 if (!ref_map)
526 die(_("Couldn't find remote ref HEAD"));
527 ref_map->fetch_head_status = FETCH_HEAD_MERGE;
528 tail = &ref_map->next;
529 }
530 }
531
532 if (tags == TAGS_SET)
533 /* also fetch all tags */
534 get_fetch_map(remote_refs, tag_refspec, &tail, 0);
535 else if (tags == TAGS_DEFAULT && *autotags)
536 find_non_local_tags(remote_refs, &ref_map, &tail);
537
538 /* Now append any refs to be updated opportunistically: */
539 *tail = orefs;
540 for (rm = orefs; rm; rm = rm->next) {
541 rm->fetch_head_status = FETCH_HEAD_IGNORE;
542 tail = &rm->next;
543 }
544
545 /*
546 * apply negative refspecs first, before we remove duplicates. This is
547 * necessary as negative refspecs might remove an otherwise conflicting
548 * duplicate.
549 */
550 if (rs->nr)
551 ref_map = apply_negative_refspecs(ref_map, rs);
552 else
553 ref_map = apply_negative_refspecs(ref_map, &remote->fetch);
554
555 ref_map = ref_remove_duplicates(ref_map);
556
557 for (rm = ref_map; rm; rm = rm->next) {
558 if (rm->peer_ref) {
559 const char *refname = rm->peer_ref->name;
560 struct refname_hash_entry *peer_item;
561 unsigned int hash = strhash(refname);
562
563 if (!existing_refs_populated) {
564 refname_hash_init(&existing_refs);
565 for_each_ref(add_one_refname, &existing_refs);
566 existing_refs_populated = 1;
567 }
568
569 peer_item = hashmap_get_entry_from_hash(&existing_refs,
570 hash, refname,
571 struct refname_hash_entry, ent);
572 if (peer_item) {
573 struct object_id *old_oid = &peer_item->oid;
574 oidcpy(&rm->peer_ref->old_oid, old_oid);
575 }
576 }
577 }
578 if (existing_refs_populated)
579 hashmap_clear_and_free(&existing_refs, struct refname_hash_entry, ent);
580
581 return ref_map;
582 }
583
584 #define STORE_REF_ERROR_OTHER 1
585 #define STORE_REF_ERROR_DF_CONFLICT 2
586
587 static int s_update_ref(const char *action,
588 struct ref *ref,
589 struct ref_transaction *transaction,
590 int check_old)
591 {
592 char *msg;
593 char *rla = getenv("GIT_REFLOG_ACTION");
594 struct ref_transaction *our_transaction = NULL;
595 struct strbuf err = STRBUF_INIT;
596 int ret;
597
598 if (dry_run)
599 return 0;
600 if (!rla)
601 rla = default_rla.buf;
602 msg = xstrfmt("%s: %s", rla, action);
603
604 /*
605 * If no transaction was passed to us, we manage the transaction
606 * ourselves. Otherwise, we trust the caller to handle the transaction
607 * lifecycle.
608 */
609 if (!transaction) {
610 transaction = our_transaction = ref_transaction_begin(&err);
611 if (!transaction) {
612 ret = STORE_REF_ERROR_OTHER;
613 goto out;
614 }
615 }
616
617 ret = ref_transaction_update(transaction, ref->name, &ref->new_oid,
618 check_old ? &ref->old_oid : NULL,
619 0, msg, &err);
620 if (ret) {
621 ret = STORE_REF_ERROR_OTHER;
622 goto out;
623 }
624
625 if (our_transaction) {
626 switch (ref_transaction_commit(our_transaction, &err)) {
627 case 0:
628 break;
629 case TRANSACTION_NAME_CONFLICT:
630 ret = STORE_REF_ERROR_DF_CONFLICT;
631 goto out;
632 default:
633 ret = STORE_REF_ERROR_OTHER;
634 goto out;
635 }
636 }
637
638 out:
639 ref_transaction_free(our_transaction);
640 if (ret)
641 error("%s", err.buf);
642 strbuf_release(&err);
643 free(msg);
644 return ret;
645 }
646
647 static int refcol_width = 10;
648 static int compact_format;
649
650 static void adjust_refcol_width(const struct ref *ref)
651 {
652 int max, rlen, llen, len;
653
654 /* uptodate lines are only shown on high verbosity level */
655 if (!verbosity && oideq(&ref->peer_ref->old_oid, &ref->old_oid))
656 return;
657
658 max = term_columns();
659 rlen = utf8_strwidth(prettify_refname(ref->name));
660
661 llen = utf8_strwidth(prettify_refname(ref->peer_ref->name));
662
663 /*
664 * rough estimation to see if the output line is too long and
665 * should not be counted (we can't do precise calculation
666 * anyway because we don't know if the error explanation part
667 * will be printed in update_local_ref)
668 */
669 if (compact_format) {
670 llen = 0;
671 max = max * 2 / 3;
672 }
673 len = 21 /* flag and summary */ + rlen + 4 /* -> */ + llen;
674 if (len >= max)
675 return;
676
677 /*
678 * Not precise calculation for compact mode because '*' can
679 * appear on the left hand side of '->' and shrink the column
680 * back.
681 */
682 if (refcol_width < rlen)
683 refcol_width = rlen;
684 }
685
686 static void prepare_format_display(struct ref *ref_map)
687 {
688 struct ref *rm;
689 const char *format = "full";
690
691 git_config_get_string_tmp("fetch.output", &format);
692 if (!strcasecmp(format, "full"))
693 compact_format = 0;
694 else if (!strcasecmp(format, "compact"))
695 compact_format = 1;
696 else
697 die(_("configuration fetch.output contains invalid value %s"),
698 format);
699
700 for (rm = ref_map; rm; rm = rm->next) {
701 if (rm->status == REF_STATUS_REJECT_SHALLOW ||
702 !rm->peer_ref ||
703 !strcmp(rm->name, "HEAD"))
704 continue;
705
706 adjust_refcol_width(rm);
707 }
708 }
709
710 static void print_remote_to_local(struct strbuf *display,
711 const char *remote, const char *local)
712 {
713 strbuf_addf(display, "%-*s -> %s", refcol_width, remote, local);
714 }
715
716 static int find_and_replace(struct strbuf *haystack,
717 const char *needle,
718 const char *placeholder)
719 {
720 const char *p = NULL;
721 int plen, nlen;
722
723 nlen = strlen(needle);
724 if (ends_with(haystack->buf, needle))
725 p = haystack->buf + haystack->len - nlen;
726 else
727 p = strstr(haystack->buf, needle);
728 if (!p)
729 return 0;
730
731 if (p > haystack->buf && p[-1] != '/')
732 return 0;
733
734 plen = strlen(p);
735 if (plen > nlen && p[nlen] != '/')
736 return 0;
737
738 strbuf_splice(haystack, p - haystack->buf, nlen,
739 placeholder, strlen(placeholder));
740 return 1;
741 }
742
743 static void print_compact(struct strbuf *display,
744 const char *remote, const char *local)
745 {
746 struct strbuf r = STRBUF_INIT;
747 struct strbuf l = STRBUF_INIT;
748
749 if (!strcmp(remote, local)) {
750 strbuf_addf(display, "%-*s -> *", refcol_width, remote);
751 return;
752 }
753
754 strbuf_addstr(&r, remote);
755 strbuf_addstr(&l, local);
756
757 if (!find_and_replace(&r, local, "*"))
758 find_and_replace(&l, remote, "*");
759 print_remote_to_local(display, r.buf, l.buf);
760
761 strbuf_release(&r);
762 strbuf_release(&l);
763 }
764
765 static void format_display(struct strbuf *display, char code,
766 const char *summary, const char *error,
767 const char *remote, const char *local,
768 int summary_width)
769 {
770 int width = (summary_width + strlen(summary) - gettext_width(summary));
771
772 strbuf_addf(display, "%c %-*s ", code, width, summary);
773 if (!compact_format)
774 print_remote_to_local(display, remote, local);
775 else
776 print_compact(display, remote, local);
777 if (error)
778 strbuf_addf(display, " (%s)", error);
779 }
780
781 static int update_local_ref(struct ref *ref,
782 struct ref_transaction *transaction,
783 const char *remote,
784 const struct ref *remote_ref,
785 struct strbuf *display,
786 int summary_width)
787 {
788 struct commit *current = NULL, *updated;
789 enum object_type type;
790 struct branch *current_branch = branch_get(NULL);
791 const char *pretty_ref = prettify_refname(ref->name);
792 int fast_forward = 0;
793
794 type = oid_object_info(the_repository, &ref->new_oid, NULL);
795 if (type < 0)
796 die(_("object %s not found"), oid_to_hex(&ref->new_oid));
797
798 if (oideq(&ref->old_oid, &ref->new_oid)) {
799 if (verbosity > 0)
800 format_display(display, '=', _("[up to date]"), NULL,
801 remote, pretty_ref, summary_width);
802 return 0;
803 }
804
805 if (current_branch &&
806 !strcmp(ref->name, current_branch->name) &&
807 !(update_head_ok || is_bare_repository()) &&
808 !is_null_oid(&ref->old_oid)) {
809 /*
810 * If this is the head, and it's not okay to update
811 * the head, and the old value of the head isn't empty...
812 */
813 format_display(display, '!', _("[rejected]"),
814 _("can't fetch in current branch"),
815 remote, pretty_ref, summary_width);
816 return 1;
817 }
818
819 if (!is_null_oid(&ref->old_oid) &&
820 starts_with(ref->name, "refs/tags/")) {
821 if (force || ref->force) {
822 int r;
823 r = s_update_ref("updating tag", ref, transaction, 0);
824 format_display(display, r ? '!' : 't', _("[tag update]"),
825 r ? _("unable to update local ref") : NULL,
826 remote, pretty_ref, summary_width);
827 return r;
828 } else {
829 format_display(display, '!', _("[rejected]"), _("would clobber existing tag"),
830 remote, pretty_ref, summary_width);
831 return 1;
832 }
833 }
834
835 current = lookup_commit_reference_gently(the_repository,
836 &ref->old_oid, 1);
837 updated = lookup_commit_reference_gently(the_repository,
838 &ref->new_oid, 1);
839 if (!current || !updated) {
840 const char *msg;
841 const char *what;
842 int r;
843 /*
844 * Nicely describe the new ref we're fetching.
845 * Base this on the remote's ref name, as it's
846 * more likely to follow a standard layout.
847 */
848 const char *name = remote_ref ? remote_ref->name : "";
849 if (starts_with(name, "refs/tags/")) {
850 msg = "storing tag";
851 what = _("[new tag]");
852 } else if (starts_with(name, "refs/heads/")) {
853 msg = "storing head";
854 what = _("[new branch]");
855 } else {
856 msg = "storing ref";
857 what = _("[new ref]");
858 }
859
860 r = s_update_ref(msg, ref, transaction, 0);
861 format_display(display, r ? '!' : '*', what,
862 r ? _("unable to update local ref") : NULL,
863 remote, pretty_ref, summary_width);
864 return r;
865 }
866
867 if (fetch_show_forced_updates) {
868 uint64_t t_before = getnanotime();
869 fast_forward = in_merge_bases(current, updated);
870 forced_updates_ms += (getnanotime() - t_before) / 1000000;
871 } else {
872 fast_forward = 1;
873 }
874
875 if (fast_forward) {
876 struct strbuf quickref = STRBUF_INIT;
877 int r;
878
879 strbuf_add_unique_abbrev(&quickref, &current->object.oid, DEFAULT_ABBREV);
880 strbuf_addstr(&quickref, "..");
881 strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
882 r = s_update_ref("fast-forward", ref, transaction, 1);
883 format_display(display, r ? '!' : ' ', quickref.buf,
884 r ? _("unable to update local ref") : NULL,
885 remote, pretty_ref, summary_width);
886 strbuf_release(&quickref);
887 return r;
888 } else if (force || ref->force) {
889 struct strbuf quickref = STRBUF_INIT;
890 int r;
891 strbuf_add_unique_abbrev(&quickref, &current->object.oid, DEFAULT_ABBREV);
892 strbuf_addstr(&quickref, "...");
893 strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
894 r = s_update_ref("forced-update", ref, transaction, 1);
895 format_display(display, r ? '!' : '+', quickref.buf,
896 r ? _("unable to update local ref") : _("forced update"),
897 remote, pretty_ref, summary_width);
898 strbuf_release(&quickref);
899 return r;
900 } else {
901 format_display(display, '!', _("[rejected]"), _("non-fast-forward"),
902 remote, pretty_ref, summary_width);
903 return 1;
904 }
905 }
906
907 static int iterate_ref_map(void *cb_data, struct object_id *oid)
908 {
909 struct ref **rm = cb_data;
910 struct ref *ref = *rm;
911
912 while (ref && ref->status == REF_STATUS_REJECT_SHALLOW)
913 ref = ref->next;
914 if (!ref)
915 return -1; /* end of the list */
916 *rm = ref->next;
917 oidcpy(oid, &ref->old_oid);
918 return 0;
919 }
920
921 struct fetch_head {
922 FILE *fp;
923 struct strbuf buf;
924 };
925
926 static int open_fetch_head(struct fetch_head *fetch_head)
927 {
928 const char *filename = git_path_fetch_head(the_repository);
929
930 if (write_fetch_head) {
931 fetch_head->fp = fopen(filename, "a");
932 if (!fetch_head->fp)
933 return error_errno(_("cannot open %s"), filename);
934 strbuf_init(&fetch_head->buf, 0);
935 } else {
936 fetch_head->fp = NULL;
937 }
938
939 return 0;
940 }
941
942 static void append_fetch_head(struct fetch_head *fetch_head,
943 const struct object_id *old_oid,
944 enum fetch_head_status fetch_head_status,
945 const char *note,
946 const char *url, size_t url_len)
947 {
948 char old_oid_hex[GIT_MAX_HEXSZ + 1];
949 const char *merge_status_marker;
950 size_t i;
951
952 if (!fetch_head->fp)
953 return;
954
955 switch (fetch_head_status) {
956 case FETCH_HEAD_NOT_FOR_MERGE:
957 merge_status_marker = "not-for-merge";
958 break;
959 case FETCH_HEAD_MERGE:
960 merge_status_marker = "";
961 break;
962 default:
963 /* do not write anything to FETCH_HEAD */
964 return;
965 }
966
967 strbuf_addf(&fetch_head->buf, "%s\t%s\t%s",
968 oid_to_hex_r(old_oid_hex, old_oid), merge_status_marker, note);
969 for (i = 0; i < url_len; ++i)
970 if ('\n' == url[i])
971 strbuf_addstr(&fetch_head->buf, "\\n");
972 else
973 strbuf_addch(&fetch_head->buf, url[i]);
974 strbuf_addch(&fetch_head->buf, '\n');
975
976 /*
977 * When using an atomic fetch, we do not want to update FETCH_HEAD if
978 * any of the reference updates fails. We thus have to write all
979 * updates to a buffer first and only commit it as soon as all
980 * references have been successfully updated.
981 */
982 if (!atomic_fetch) {
983 strbuf_write(&fetch_head->buf, fetch_head->fp);
984 strbuf_reset(&fetch_head->buf);
985 }
986 }
987
988 static void commit_fetch_head(struct fetch_head *fetch_head)
989 {
990 if (!fetch_head->fp || !atomic_fetch)
991 return;
992 strbuf_write(&fetch_head->buf, fetch_head->fp);
993 }
994
995 static void close_fetch_head(struct fetch_head *fetch_head)
996 {
997 if (!fetch_head->fp)
998 return;
999
1000 fclose(fetch_head->fp);
1001 strbuf_release(&fetch_head->buf);
1002 }
1003
1004 static const char warn_show_forced_updates[] =
1005 N_("Fetch normally indicates which branches had a forced update,\n"
1006 "but that check has been disabled. To re-enable, use '--show-forced-updates'\n"
1007 "flag or run 'git config fetch.showForcedUpdates true'.");
1008 static const char warn_time_show_forced_updates[] =
1009 N_("It took %.2f seconds to check forced updates. You can use\n"
1010 "'--no-show-forced-updates' or run 'git config fetch.showForcedUpdates false'\n"
1011 " to avoid this check.\n");
1012
1013 static int store_updated_refs(const char *raw_url, const char *remote_name,
1014 int connectivity_checked, struct ref *ref_map)
1015 {
1016 struct fetch_head fetch_head;
1017 struct commit *commit;
1018 int url_len, i, rc = 0;
1019 struct strbuf note = STRBUF_INIT, err = STRBUF_INIT;
1020 struct ref_transaction *transaction = NULL;
1021 const char *what, *kind;
1022 struct ref *rm;
1023 char *url;
1024 int want_status;
1025 int summary_width = transport_summary_width(ref_map);
1026
1027 rc = open_fetch_head(&fetch_head);
1028 if (rc)
1029 return -1;
1030
1031 if (raw_url)
1032 url = transport_anonymize_url(raw_url);
1033 else
1034 url = xstrdup("foreign");
1035
1036 if (!connectivity_checked) {
1037 struct check_connected_options opt = CHECK_CONNECTED_INIT;
1038
1039 rm = ref_map;
1040 if (check_connected(iterate_ref_map, &rm, &opt)) {
1041 rc = error(_("%s did not send all necessary objects\n"), url);
1042 goto abort;
1043 }
1044 }
1045
1046 if (atomic_fetch) {
1047 transaction = ref_transaction_begin(&err);
1048 if (!transaction) {
1049 error("%s", err.buf);
1050 goto abort;
1051 }
1052 }
1053
1054 prepare_format_display(ref_map);
1055
1056 /*
1057 * We do a pass for each fetch_head_status type in their enum order, so
1058 * merged entries are written before not-for-merge. That lets readers
1059 * use FETCH_HEAD as a refname to refer to the ref to be merged.
1060 */
1061 for (want_status = FETCH_HEAD_MERGE;
1062 want_status <= FETCH_HEAD_IGNORE;
1063 want_status++) {
1064 for (rm = ref_map; rm; rm = rm->next) {
1065 struct ref *ref = NULL;
1066
1067 if (rm->status == REF_STATUS_REJECT_SHALLOW) {
1068 if (want_status == FETCH_HEAD_MERGE)
1069 warning(_("reject %s because shallow roots are not allowed to be updated"),
1070 rm->peer_ref ? rm->peer_ref->name : rm->name);
1071 continue;
1072 }
1073
1074 commit = lookup_commit_reference_gently(the_repository,
1075 &rm->old_oid,
1076 1);
1077 if (!commit)
1078 rm->fetch_head_status = FETCH_HEAD_NOT_FOR_MERGE;
1079
1080 if (rm->fetch_head_status != want_status)
1081 continue;
1082
1083 if (rm->peer_ref) {
1084 ref = alloc_ref(rm->peer_ref->name);
1085 oidcpy(&ref->old_oid, &rm->peer_ref->old_oid);
1086 oidcpy(&ref->new_oid, &rm->old_oid);
1087 ref->force = rm->peer_ref->force;
1088 }
1089
1090 if (recurse_submodules != RECURSE_SUBMODULES_OFF &&
1091 (!rm->peer_ref || !oideq(&ref->old_oid, &ref->new_oid))) {
1092 check_for_new_submodule_commits(&rm->old_oid);
1093 }
1094
1095 if (!strcmp(rm->name, "HEAD")) {
1096 kind = "";
1097 what = "";
1098 }
1099 else if (skip_prefix(rm->name, "refs/heads/", &what))
1100 kind = "branch";
1101 else if (skip_prefix(rm->name, "refs/tags/", &what))
1102 kind = "tag";
1103 else if (skip_prefix(rm->name, "refs/remotes/", &what))
1104 kind = "remote-tracking branch";
1105 else {
1106 kind = "";
1107 what = rm->name;
1108 }
1109
1110 url_len = strlen(url);
1111 for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
1112 ;
1113 url_len = i + 1;
1114 if (4 < i && !strncmp(".git", url + i - 3, 4))
1115 url_len = i - 3;
1116
1117 strbuf_reset(&note);
1118 if (*what) {
1119 if (*kind)
1120 strbuf_addf(&note, "%s ", kind);
1121 strbuf_addf(&note, "'%s' of ", what);
1122 }
1123
1124 append_fetch_head(&fetch_head, &rm->old_oid,
1125 rm->fetch_head_status,
1126 note.buf, url, url_len);
1127
1128 strbuf_reset(&note);
1129 if (ref) {
1130 rc |= update_local_ref(ref, transaction, what,
1131 rm, &note, summary_width);
1132 free(ref);
1133 } else if (write_fetch_head || dry_run) {
1134 /*
1135 * Display fetches written to FETCH_HEAD (or
1136 * would be written to FETCH_HEAD, if --dry-run
1137 * is set).
1138 */
1139 format_display(&note, '*',
1140 *kind ? kind : "branch", NULL,
1141 *what ? what : "HEAD",
1142 "FETCH_HEAD", summary_width);
1143 }
1144 if (note.len) {
1145 if (verbosity >= 0 && !shown_url) {
1146 fprintf(stderr, _("From %.*s\n"),
1147 url_len, url);
1148 shown_url = 1;
1149 }
1150 if (verbosity >= 0)
1151 fprintf(stderr, " %s\n", note.buf);
1152 }
1153 }
1154 }
1155
1156 if (!rc && transaction) {
1157 rc = ref_transaction_commit(transaction, &err);
1158 if (rc) {
1159 error("%s", err.buf);
1160 goto abort;
1161 }
1162 }
1163
1164 if (!rc)
1165 commit_fetch_head(&fetch_head);
1166
1167 if (rc & STORE_REF_ERROR_DF_CONFLICT)
1168 error(_("some local refs could not be updated; try running\n"
1169 " 'git remote prune %s' to remove any old, conflicting "
1170 "branches"), remote_name);
1171
1172 if (advice_fetch_show_forced_updates) {
1173 if (!fetch_show_forced_updates) {
1174 warning(_(warn_show_forced_updates));
1175 } else if (forced_updates_ms > FORCED_UPDATES_DELAY_WARNING_IN_MS) {
1176 warning(_(warn_time_show_forced_updates),
1177 forced_updates_ms / 1000.0);
1178 }
1179 }
1180
1181 abort:
1182 strbuf_release(&note);
1183 strbuf_release(&err);
1184 ref_transaction_free(transaction);
1185 free(url);
1186 close_fetch_head(&fetch_head);
1187 return rc;
1188 }
1189
1190 /*
1191 * We would want to bypass the object transfer altogether if
1192 * everything we are going to fetch already exists and is connected
1193 * locally.
1194 */
1195 static int check_exist_and_connected(struct ref *ref_map)
1196 {
1197 struct ref *rm = ref_map;
1198 struct check_connected_options opt = CHECK_CONNECTED_INIT;
1199 struct ref *r;
1200
1201 /*
1202 * If we are deepening a shallow clone we already have these
1203 * objects reachable. Running rev-list here will return with
1204 * a good (0) exit status and we'll bypass the fetch that we
1205 * really need to perform. Claiming failure now will ensure
1206 * we perform the network exchange to deepen our history.
1207 */
1208 if (deepen)
1209 return -1;
1210
1211 /*
1212 * check_connected() allows objects to merely be promised, but
1213 * we need all direct targets to exist.
1214 */
1215 for (r = rm; r; r = r->next) {
1216 if (!has_object_file_with_flags(&r->old_oid,
1217 OBJECT_INFO_SKIP_FETCH_OBJECT))
1218 return -1;
1219 }
1220
1221 opt.quiet = 1;
1222 return check_connected(iterate_ref_map, &rm, &opt);
1223 }
1224
1225 static int fetch_refs(struct transport *transport, struct ref *ref_map)
1226 {
1227 int ret = check_exist_and_connected(ref_map);
1228 if (ret) {
1229 trace2_region_enter("fetch", "fetch_refs", the_repository);
1230 ret = transport_fetch_refs(transport, ref_map);
1231 trace2_region_leave("fetch", "fetch_refs", the_repository);
1232 }
1233 if (!ret)
1234 /*
1235 * Keep the new pack's ".keep" file around to allow the caller
1236 * time to update refs to reference the new objects.
1237 */
1238 return 0;
1239 transport_unlock_pack(transport);
1240 return ret;
1241 }
1242
1243 /* Update local refs based on the ref values fetched from a remote */
1244 static int consume_refs(struct transport *transport, struct ref *ref_map)
1245 {
1246 int connectivity_checked = transport->smart_options
1247 ? transport->smart_options->connectivity_checked : 0;
1248 int ret;
1249 trace2_region_enter("fetch", "consume_refs", the_repository);
1250 ret = store_updated_refs(transport->url,
1251 transport->remote->name,
1252 connectivity_checked,
1253 ref_map);
1254 transport_unlock_pack(transport);
1255 trace2_region_leave("fetch", "consume_refs", the_repository);
1256 return ret;
1257 }
1258
1259 static int prune_refs(struct refspec *rs, struct ref *ref_map,
1260 const char *raw_url)
1261 {
1262 int url_len, i, result = 0;
1263 struct ref *ref, *stale_refs = get_stale_heads(rs, ref_map);
1264 char *url;
1265 int summary_width = transport_summary_width(stale_refs);
1266 const char *dangling_msg = dry_run
1267 ? _(" (%s will become dangling)")
1268 : _(" (%s has become dangling)");
1269
1270 if (raw_url)
1271 url = transport_anonymize_url(raw_url);
1272 else
1273 url = xstrdup("foreign");
1274
1275 url_len = strlen(url);
1276 for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
1277 ;
1278
1279 url_len = i + 1;
1280 if (4 < i && !strncmp(".git", url + i - 3, 4))
1281 url_len = i - 3;
1282
1283 if (!dry_run) {
1284 struct string_list refnames = STRING_LIST_INIT_NODUP;
1285
1286 for (ref = stale_refs; ref; ref = ref->next)
1287 string_list_append(&refnames, ref->name);
1288
1289 result = delete_refs("fetch: prune", &refnames, 0);
1290 string_list_clear(&refnames, 0);
1291 }
1292
1293 if (verbosity >= 0) {
1294 for (ref = stale_refs; ref; ref = ref->next) {
1295 struct strbuf sb = STRBUF_INIT;
1296 if (!shown_url) {
1297 fprintf(stderr, _("From %.*s\n"), url_len, url);
1298 shown_url = 1;
1299 }
1300 format_display(&sb, '-', _("[deleted]"), NULL,
1301 _("(none)"), prettify_refname(ref->name),
1302 summary_width);
1303 fprintf(stderr, " %s\n",sb.buf);
1304 strbuf_release(&sb);
1305 warn_dangling_symref(stderr, dangling_msg, ref->name);
1306 }
1307 }
1308
1309 free(url);
1310 free_refs(stale_refs);
1311 return result;
1312 }
1313
1314 static void check_not_current_branch(struct ref *ref_map)
1315 {
1316 struct branch *current_branch = branch_get(NULL);
1317
1318 if (is_bare_repository() || !current_branch)
1319 return;
1320
1321 for (; ref_map; ref_map = ref_map->next)
1322 if (ref_map->peer_ref && !strcmp(current_branch->refname,
1323 ref_map->peer_ref->name))
1324 die(_("Refusing to fetch into current branch %s "
1325 "of non-bare repository"), current_branch->refname);
1326 }
1327
1328 static int truncate_fetch_head(void)
1329 {
1330 const char *filename = git_path_fetch_head(the_repository);
1331 FILE *fp = fopen_for_writing(filename);
1332
1333 if (!fp)
1334 return error_errno(_("cannot open %s"), filename);
1335 fclose(fp);
1336 return 0;
1337 }
1338
1339 static void set_option(struct transport *transport, const char *name, const char *value)
1340 {
1341 int r = transport_set_option(transport, name, value);
1342 if (r < 0)
1343 die(_("Option \"%s\" value \"%s\" is not valid for %s"),
1344 name, value, transport->url);
1345 if (r > 0)
1346 warning(_("Option \"%s\" is ignored for %s\n"),
1347 name, transport->url);
1348 }
1349
1350
1351 static int add_oid(const char *refname, const struct object_id *oid, int flags,
1352 void *cb_data)
1353 {
1354 struct oid_array *oids = cb_data;
1355
1356 oid_array_append(oids, oid);
1357 return 0;
1358 }
1359
1360 static void add_negotiation_tips(struct git_transport_options *smart_options)
1361 {
1362 struct oid_array *oids = xcalloc(1, sizeof(*oids));
1363 int i;
1364
1365 for (i = 0; i < negotiation_tip.nr; i++) {
1366 const char *s = negotiation_tip.items[i].string;
1367 int old_nr;
1368 if (!has_glob_specials(s)) {
1369 struct object_id oid;
1370 if (get_oid(s, &oid))
1371 die("%s is not a valid object", s);
1372 oid_array_append(oids, &oid);
1373 continue;
1374 }
1375 old_nr = oids->nr;
1376 for_each_glob_ref(add_oid, s, oids);
1377 if (old_nr == oids->nr)
1378 warning("Ignoring --negotiation-tip=%s because it does not match any refs",
1379 s);
1380 }
1381 smart_options->negotiation_tips = oids;
1382 }
1383
1384 static struct transport *prepare_transport(struct remote *remote, int deepen)
1385 {
1386 struct transport *transport;
1387
1388 transport = transport_get(remote, NULL);
1389 transport_set_verbosity(transport, verbosity, progress);
1390 transport->family = family;
1391 if (upload_pack)
1392 set_option(transport, TRANS_OPT_UPLOADPACK, upload_pack);
1393 if (keep)
1394 set_option(transport, TRANS_OPT_KEEP, "yes");
1395 if (depth)
1396 set_option(transport, TRANS_OPT_DEPTH, depth);
1397 if (deepen && deepen_since)
1398 set_option(transport, TRANS_OPT_DEEPEN_SINCE, deepen_since);
1399 if (deepen && deepen_not.nr)
1400 set_option(transport, TRANS_OPT_DEEPEN_NOT,
1401 (const char *)&deepen_not);
1402 if (deepen_relative)
1403 set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, "yes");
1404 if (update_shallow)
1405 set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
1406 if (filter_options.choice) {
1407 const char *spec =
1408 expand_list_objects_filter_spec(&filter_options);
1409 set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER, spec);
1410 set_option(transport, TRANS_OPT_FROM_PROMISOR, "1");
1411 }
1412 if (negotiation_tip.nr) {
1413 if (transport->smart_options)
1414 add_negotiation_tips(transport->smart_options);
1415 else
1416 warning("Ignoring --negotiation-tip because the protocol does not support it.");
1417 }
1418 return transport;
1419 }
1420
1421 static void backfill_tags(struct transport *transport, struct ref *ref_map)
1422 {
1423 int cannot_reuse;
1424
1425 /*
1426 * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
1427 * when remote helper is used (setting it to an empty string
1428 * is not unsetting). We could extend the remote helper
1429 * protocol for that, but for now, just force a new connection
1430 * without deepen-since. Similar story for deepen-not.
1431 */
1432 cannot_reuse = transport->cannot_reuse ||
1433 deepen_since || deepen_not.nr;
1434 if (cannot_reuse) {
1435 gsecondary = prepare_transport(transport->remote, 0);
1436 transport = gsecondary;
1437 }
1438
1439 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
1440 transport_set_option(transport, TRANS_OPT_DEPTH, "0");
1441 transport_set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, NULL);
1442 if (!fetch_refs(transport, ref_map))
1443 consume_refs(transport, ref_map);
1444
1445 if (gsecondary) {
1446 transport_disconnect(gsecondary);
1447 gsecondary = NULL;
1448 }
1449 }
1450
1451 static int do_fetch(struct transport *transport,
1452 struct refspec *rs)
1453 {
1454 struct ref *ref_map;
1455 int autotags = (transport->remote->fetch_tags == 1);
1456 int retcode = 0;
1457 const struct ref *remote_refs;
1458 struct transport_ls_refs_options transport_ls_refs_options =
1459 TRANSPORT_LS_REFS_OPTIONS_INIT;
1460 int must_list_refs = 1;
1461
1462 if (tags == TAGS_DEFAULT) {
1463 if (transport->remote->fetch_tags == 2)
1464 tags = TAGS_SET;
1465 if (transport->remote->fetch_tags == -1)
1466 tags = TAGS_UNSET;
1467 }
1468
1469 /* if not appending, truncate FETCH_HEAD */
1470 if (!append && write_fetch_head) {
1471 retcode = truncate_fetch_head();
1472 if (retcode)
1473 goto cleanup;
1474 }
1475
1476 if (rs->nr) {
1477 int i;
1478
1479 refspec_ref_prefixes(rs, &transport_ls_refs_options.ref_prefixes);
1480
1481 /*
1482 * We can avoid listing refs if all of them are exact
1483 * OIDs
1484 */
1485 must_list_refs = 0;
1486 for (i = 0; i < rs->nr; i++) {
1487 if (!rs->items[i].exact_sha1) {
1488 must_list_refs = 1;
1489 break;
1490 }
1491 }
1492 } else if (transport->remote && transport->remote->fetch.nr)
1493 refspec_ref_prefixes(&transport->remote->fetch,
1494 &transport_ls_refs_options.ref_prefixes);
1495
1496 if (tags == TAGS_SET || tags == TAGS_DEFAULT) {
1497 must_list_refs = 1;
1498 if (transport_ls_refs_options.ref_prefixes.nr)
1499 strvec_push(&transport_ls_refs_options.ref_prefixes,
1500 "refs/tags/");
1501 }
1502
1503 if (must_list_refs) {
1504 trace2_region_enter("fetch", "remote_refs", the_repository);
1505 remote_refs = transport_get_remote_refs(transport,
1506 &transport_ls_refs_options);
1507 trace2_region_leave("fetch", "remote_refs", the_repository);
1508 } else
1509 remote_refs = NULL;
1510
1511 strvec_clear(&transport_ls_refs_options.ref_prefixes);
1512
1513 ref_map = get_ref_map(transport->remote, remote_refs, rs,
1514 tags, &autotags);
1515 if (!update_head_ok)
1516 check_not_current_branch(ref_map);
1517
1518 if (tags == TAGS_DEFAULT && autotags)
1519 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
1520 if (prune) {
1521 /*
1522 * We only prune based on refspecs specified
1523 * explicitly (via command line or configuration); we
1524 * don't care whether --tags was specified.
1525 */
1526 if (rs->nr) {
1527 prune_refs(rs, ref_map, transport->url);
1528 } else {
1529 prune_refs(&transport->remote->fetch,
1530 ref_map,
1531 transport->url);
1532 }
1533 }
1534 if (fetch_refs(transport, ref_map) || consume_refs(transport, ref_map)) {
1535 free_refs(ref_map);
1536 retcode = 1;
1537 goto cleanup;
1538 }
1539
1540 if (set_upstream) {
1541 struct branch *branch = branch_get("HEAD");
1542 struct ref *rm;
1543 struct ref *source_ref = NULL;
1544
1545 /*
1546 * We're setting the upstream configuration for the
1547 * current branch. The relevant upstream is the
1548 * fetched branch that is meant to be merged with the
1549 * current one, i.e. the one fetched to FETCH_HEAD.
1550 *
1551 * When there are several such branches, consider the
1552 * request ambiguous and err on the safe side by doing
1553 * nothing and just emit a warning.
1554 */
1555 for (rm = ref_map; rm; rm = rm->next) {
1556 if (!rm->peer_ref) {
1557 if (source_ref) {
1558 warning(_("multiple branches detected, incompatible with --set-upstream"));
1559 goto skip;
1560 } else {
1561 source_ref = rm;
1562 }
1563 }
1564 }
1565 if (source_ref) {
1566 if (!strcmp(source_ref->name, "HEAD") ||
1567 starts_with(source_ref->name, "refs/heads/"))
1568 install_branch_config(0,
1569 branch->name,
1570 transport->remote->name,
1571 source_ref->name);
1572 else if (starts_with(source_ref->name, "refs/remotes/"))
1573 warning(_("not setting upstream for a remote remote-tracking branch"));
1574 else if (starts_with(source_ref->name, "refs/tags/"))
1575 warning(_("not setting upstream for a remote tag"));
1576 else
1577 warning(_("unknown branch type"));
1578 } else {
1579 warning(_("no source branch found.\n"
1580 "you need to specify exactly one branch with the --set-upstream option."));
1581 }
1582 }
1583 skip:
1584 free_refs(ref_map);
1585
1586 /* if neither --no-tags nor --tags was specified, do automated tag
1587 * following ... */
1588 if (tags == TAGS_DEFAULT && autotags) {
1589 struct ref **tail = &ref_map;
1590 ref_map = NULL;
1591 find_non_local_tags(remote_refs, &ref_map, &tail);
1592 if (ref_map)
1593 backfill_tags(transport, ref_map);
1594 free_refs(ref_map);
1595 }
1596
1597 cleanup:
1598 return retcode;
1599 }
1600
1601 static int get_one_remote_for_fetch(struct remote *remote, void *priv)
1602 {
1603 struct string_list *list = priv;
1604 if (!remote->skip_default_update)
1605 string_list_append(list, remote->name);
1606 return 0;
1607 }
1608
1609 struct remote_group_data {
1610 const char *name;
1611 struct string_list *list;
1612 };
1613
1614 static int get_remote_group(const char *key, const char *value, void *priv)
1615 {
1616 struct remote_group_data *g = priv;
1617
1618 if (skip_prefix(key, "remotes.", &key) && !strcmp(key, g->name)) {
1619 /* split list by white space */
1620 while (*value) {
1621 size_t wordlen = strcspn(value, " \t\n");
1622
1623 if (wordlen >= 1)
1624 string_list_append_nodup(g->list,
1625 xstrndup(value, wordlen));
1626 value += wordlen + (value[wordlen] != '\0');
1627 }
1628 }
1629
1630 return 0;
1631 }
1632
1633 static int add_remote_or_group(const char *name, struct string_list *list)
1634 {
1635 int prev_nr = list->nr;
1636 struct remote_group_data g;
1637 g.name = name; g.list = list;
1638
1639 git_config(get_remote_group, &g);
1640 if (list->nr == prev_nr) {
1641 struct remote *remote = remote_get(name);
1642 if (!remote_is_configured(remote, 0))
1643 return 0;
1644 string_list_append(list, remote->name);
1645 }
1646 return 1;
1647 }
1648
1649 static void add_options_to_argv(struct strvec *argv)
1650 {
1651 if (dry_run)
1652 strvec_push(argv, "--dry-run");
1653 if (prune != -1)
1654 strvec_push(argv, prune ? "--prune" : "--no-prune");
1655 if (prune_tags != -1)
1656 strvec_push(argv, prune_tags ? "--prune-tags" : "--no-prune-tags");
1657 if (update_head_ok)
1658 strvec_push(argv, "--update-head-ok");
1659 if (force)
1660 strvec_push(argv, "--force");
1661 if (keep)
1662 strvec_push(argv, "--keep");
1663 if (recurse_submodules == RECURSE_SUBMODULES_ON)
1664 strvec_push(argv, "--recurse-submodules");
1665 else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
1666 strvec_push(argv, "--recurse-submodules=on-demand");
1667 if (tags == TAGS_SET)
1668 strvec_push(argv, "--tags");
1669 else if (tags == TAGS_UNSET)
1670 strvec_push(argv, "--no-tags");
1671 if (verbosity >= 2)
1672 strvec_push(argv, "-v");
1673 if (verbosity >= 1)
1674 strvec_push(argv, "-v");
1675 else if (verbosity < 0)
1676 strvec_push(argv, "-q");
1677 if (family == TRANSPORT_FAMILY_IPV4)
1678 strvec_push(argv, "--ipv4");
1679 else if (family == TRANSPORT_FAMILY_IPV6)
1680 strvec_push(argv, "--ipv6");
1681 }
1682
1683 /* Fetch multiple remotes in parallel */
1684
1685 struct parallel_fetch_state {
1686 const char **argv;
1687 struct string_list *remotes;
1688 int next, result;
1689 };
1690
1691 static int fetch_next_remote(struct child_process *cp, struct strbuf *out,
1692 void *cb, void **task_cb)
1693 {
1694 struct parallel_fetch_state *state = cb;
1695 char *remote;
1696
1697 if (state->next < 0 || state->next >= state->remotes->nr)
1698 return 0;
1699
1700 remote = state->remotes->items[state->next++].string;
1701 *task_cb = remote;
1702
1703 strvec_pushv(&cp->args, state->argv);
1704 strvec_push(&cp->args, remote);
1705 cp->git_cmd = 1;
1706
1707 if (verbosity >= 0)
1708 printf(_("Fetching %s\n"), remote);
1709
1710 return 1;
1711 }
1712
1713 static int fetch_failed_to_start(struct strbuf *out, void *cb, void *task_cb)
1714 {
1715 struct parallel_fetch_state *state = cb;
1716 const char *remote = task_cb;
1717
1718 state->result = error(_("Could not fetch %s"), remote);
1719
1720 return 0;
1721 }
1722
1723 static int fetch_finished(int result, struct strbuf *out,
1724 void *cb, void *task_cb)
1725 {
1726 struct parallel_fetch_state *state = cb;
1727 const char *remote = task_cb;
1728
1729 if (result) {
1730 strbuf_addf(out, _("could not fetch '%s' (exit code: %d)\n"),
1731 remote, result);
1732 state->result = -1;
1733 }
1734
1735 return 0;
1736 }
1737
1738 static int fetch_multiple(struct string_list *list, int max_children)
1739 {
1740 int i, result = 0;
1741 struct strvec argv = STRVEC_INIT;
1742
1743 if (!append && write_fetch_head) {
1744 int errcode = truncate_fetch_head();
1745 if (errcode)
1746 return errcode;
1747 }
1748
1749 strvec_pushl(&argv, "fetch", "--append", "--no-auto-gc",
1750 "--no-write-commit-graph", NULL);
1751 add_options_to_argv(&argv);
1752
1753 if (max_children != 1 && list->nr != 1) {
1754 struct parallel_fetch_state state = { argv.v, list, 0, 0 };
1755
1756 strvec_push(&argv, "--end-of-options");
1757 result = run_processes_parallel_tr2(max_children,
1758 &fetch_next_remote,
1759 &fetch_failed_to_start,
1760 &fetch_finished,
1761 &state,
1762 "fetch", "parallel/fetch");
1763
1764 if (!result)
1765 result = state.result;
1766 } else
1767 for (i = 0; i < list->nr; i++) {
1768 const char *name = list->items[i].string;
1769 strvec_push(&argv, name);
1770 if (verbosity >= 0)
1771 printf(_("Fetching %s\n"), name);
1772 if (run_command_v_opt(argv.v, RUN_GIT_CMD)) {
1773 error(_("Could not fetch %s"), name);
1774 result = 1;
1775 }
1776 strvec_pop(&argv);
1777 }
1778
1779 strvec_clear(&argv);
1780 return !!result;
1781 }
1782
1783 /*
1784 * Fetching from the promisor remote should use the given filter-spec
1785 * or inherit the default filter-spec from the config.
1786 */
1787 static inline void fetch_one_setup_partial(struct remote *remote)
1788 {
1789 /*
1790 * Explicit --no-filter argument overrides everything, regardless
1791 * of any prior partial clones and fetches.
1792 */
1793 if (filter_options.no_filter)
1794 return;
1795
1796 /*
1797 * If no prior partial clone/fetch and the current fetch DID NOT
1798 * request a partial-fetch, do a normal fetch.
1799 */
1800 if (!has_promisor_remote() && !filter_options.choice)
1801 return;
1802
1803 /*
1804 * If this is a partial-fetch request, we enable partial on
1805 * this repo if not already enabled and remember the given
1806 * filter-spec as the default for subsequent fetches to this
1807 * remote if there is currently no default filter-spec.
1808 */
1809 if (filter_options.choice) {
1810 partial_clone_register(remote->name, &filter_options);
1811 return;
1812 }
1813
1814 /*
1815 * Do a partial-fetch from the promisor remote using either the
1816 * explicitly given filter-spec or inherit the filter-spec from
1817 * the config.
1818 */
1819 if (!filter_options.choice)
1820 partial_clone_get_default_filter_spec(&filter_options, remote->name);
1821 return;
1822 }
1823
1824 static int fetch_one(struct remote *remote, int argc, const char **argv,
1825 int prune_tags_ok, int use_stdin_refspecs)
1826 {
1827 struct refspec rs = REFSPEC_INIT_FETCH;
1828 int i;
1829 int exit_code;
1830 int maybe_prune_tags;
1831 int remote_via_config = remote_is_configured(remote, 0);
1832
1833 if (!remote)
1834 die(_("No remote repository specified. Please, specify either a URL or a\n"
1835 "remote name from which new revisions should be fetched."));
1836
1837 gtransport = prepare_transport(remote, 1);
1838
1839 if (prune < 0) {
1840 /* no command line request */
1841 if (0 <= remote->prune)
1842 prune = remote->prune;
1843 else if (0 <= fetch_prune_config)
1844 prune = fetch_prune_config;
1845 else
1846 prune = PRUNE_BY_DEFAULT;
1847 }
1848
1849 if (prune_tags < 0) {
1850 /* no command line request */
1851 if (0 <= remote->prune_tags)
1852 prune_tags = remote->prune_tags;
1853 else if (0 <= fetch_prune_tags_config)
1854 prune_tags = fetch_prune_tags_config;
1855 else
1856 prune_tags = PRUNE_TAGS_BY_DEFAULT;
1857 }
1858
1859 maybe_prune_tags = prune_tags_ok && prune_tags;
1860 if (maybe_prune_tags && remote_via_config)
1861 refspec_append(&remote->fetch, TAG_REFSPEC);
1862
1863 if (maybe_prune_tags && (argc || !remote_via_config))
1864 refspec_append(&rs, TAG_REFSPEC);
1865
1866 for (i = 0; i < argc; i++) {
1867 if (!strcmp(argv[i], "tag")) {
1868 i++;
1869 if (i >= argc)
1870 die(_("You need to specify a tag name."));
1871
1872 refspec_appendf(&rs, "refs/tags/%s:refs/tags/%s",
1873 argv[i], argv[i]);
1874 } else {
1875 refspec_append(&rs, argv[i]);
1876 }
1877 }
1878
1879 if (use_stdin_refspecs) {
1880 struct strbuf line = STRBUF_INIT;
1881 while (strbuf_getline_lf(&line, stdin) != EOF)
1882 refspec_append(&rs, line.buf);
1883 strbuf_release(&line);
1884 }
1885
1886 if (server_options.nr)
1887 gtransport->server_options = &server_options;
1888
1889 sigchain_push_common(unlock_pack_on_signal);
1890 atexit(unlock_pack);
1891 sigchain_push(SIGPIPE, SIG_IGN);
1892 exit_code = do_fetch(gtransport, &rs);
1893 sigchain_pop(SIGPIPE);
1894 refspec_clear(&rs);
1895 transport_disconnect(gtransport);
1896 gtransport = NULL;
1897 return exit_code;
1898 }
1899
1900 int cmd_fetch(int argc, const char **argv, const char *prefix)
1901 {
1902 int i;
1903 struct string_list list = STRING_LIST_INIT_DUP;
1904 struct remote *remote = NULL;
1905 int result = 0;
1906 int prune_tags_ok = 1;
1907
1908 packet_trace_identity("fetch");
1909
1910 /* Record the command line for the reflog */
1911 strbuf_addstr(&default_rla, "fetch");
1912 for (i = 1; i < argc; i++) {
1913 /* This handles non-URLs gracefully */
1914 char *anon = transport_anonymize_url(argv[i]);
1915
1916 strbuf_addf(&default_rla, " %s", anon);
1917 free(anon);
1918 }
1919
1920 git_config(git_fetch_config, NULL);
1921
1922 argc = parse_options(argc, argv, prefix,
1923 builtin_fetch_options, builtin_fetch_usage, 0);
1924 if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
1925 int *sfjc = submodule_fetch_jobs_config == -1
1926 ? &submodule_fetch_jobs_config : NULL;
1927 int *rs = recurse_submodules == RECURSE_SUBMODULES_DEFAULT
1928 ? &recurse_submodules : NULL;
1929
1930 fetch_config_from_gitmodules(sfjc, rs);
1931 }
1932
1933 if (deepen_relative) {
1934 if (deepen_relative < 0)
1935 die(_("Negative depth in --deepen is not supported"));
1936 if (depth)
1937 die(_("--deepen and --depth are mutually exclusive"));
1938 depth = xstrfmt("%d", deepen_relative);
1939 }
1940 if (unshallow) {
1941 if (depth)
1942 die(_("--depth and --unshallow cannot be used together"));
1943 else if (!is_repository_shallow(the_repository))
1944 die(_("--unshallow on a complete repository does not make sense"));
1945 else
1946 depth = xstrfmt("%d", INFINITE_DEPTH);
1947 }
1948
1949 /* no need to be strict, transport_set_option() will validate it again */
1950 if (depth && atoi(depth) < 1)
1951 die(_("depth %s is not a positive number"), depth);
1952 if (depth || deepen_since || deepen_not.nr)
1953 deepen = 1;
1954
1955 /* FETCH_HEAD never gets updated in --dry-run mode */
1956 if (dry_run)
1957 write_fetch_head = 0;
1958
1959 if (all) {
1960 if (argc == 1)
1961 die(_("fetch --all does not take a repository argument"));
1962 else if (argc > 1)
1963 die(_("fetch --all does not make sense with refspecs"));
1964 (void) for_each_remote(get_one_remote_for_fetch, &list);
1965 } else if (argc == 0) {
1966 /* No arguments -- use default remote */
1967 remote = remote_get(NULL);
1968 } else if (multiple) {
1969 /* All arguments are assumed to be remotes or groups */
1970 for (i = 0; i < argc; i++)
1971 if (!add_remote_or_group(argv[i], &list))
1972 die(_("No such remote or remote group: %s"), argv[i]);
1973 } else {
1974 /* Single remote or group */
1975 (void) add_remote_or_group(argv[0], &list);
1976 if (list.nr > 1) {
1977 /* More than one remote */
1978 if (argc > 1)
1979 die(_("Fetching a group and specifying refspecs does not make sense"));
1980 } else {
1981 /* Zero or one remotes */
1982 remote = remote_get(argv[0]);
1983 prune_tags_ok = (argc == 1);
1984 argc--;
1985 argv++;
1986 }
1987 }
1988
1989 if (remote) {
1990 if (filter_options.choice || has_promisor_remote())
1991 fetch_one_setup_partial(remote);
1992 result = fetch_one(remote, argc, argv, prune_tags_ok, stdin_refspecs);
1993 } else {
1994 int max_children = max_jobs;
1995
1996 if (filter_options.choice)
1997 die(_("--filter can only be used with the remote "
1998 "configured in extensions.partialclone"));
1999
2000 if (atomic_fetch)
2001 die(_("--atomic can only be used when fetching "
2002 "from one remote"));
2003
2004 if (stdin_refspecs)
2005 die(_("--stdin can only be used when fetching "
2006 "from one remote"));
2007
2008 if (max_children < 0)
2009 max_children = fetch_parallel_config;
2010
2011 /* TODO should this also die if we have a previous partial-clone? */
2012 result = fetch_multiple(&list, max_children);
2013 }
2014
2015 if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) {
2016 struct strvec options = STRVEC_INIT;
2017 int max_children = max_jobs;
2018
2019 if (max_children < 0)
2020 max_children = submodule_fetch_jobs_config;
2021 if (max_children < 0)
2022 max_children = fetch_parallel_config;
2023
2024 add_options_to_argv(&options);
2025 result = fetch_populated_submodules(the_repository,
2026 &options,
2027 submodule_prefix,
2028 recurse_submodules,
2029 recurse_submodules_default,
2030 verbosity < 0,
2031 max_children);
2032 strvec_clear(&options);
2033 }
2034
2035 string_list_clear(&list, 0);
2036
2037 prepare_repo_settings(the_repository);
2038 if (fetch_write_commit_graph > 0 ||
2039 (fetch_write_commit_graph < 0 &&
2040 the_repository->settings.fetch_write_commit_graph)) {
2041 int commit_graph_flags = COMMIT_GRAPH_WRITE_SPLIT;
2042
2043 if (progress)
2044 commit_graph_flags |= COMMIT_GRAPH_WRITE_PROGRESS;
2045
2046 write_commit_graph_reachable(the_repository->objects->odb,
2047 commit_graph_flags,
2048 NULL);
2049 }
2050
2051 close_object_store(the_repository->objects);
2052
2053 if (enable_auto_gc)
2054 run_auto_maintenance(verbosity < 0);
2055
2056 return result;
2057 }
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