git: use COPY_ARRAY and MOVE_ARRAY in handle_alias()
[git/git.git] / submodule-config.c
1 #include "cache.h"
2 #include "dir.h"
3 #include "repository.h"
4 #include "config.h"
5 #include "submodule-config.h"
6 #include "submodule.h"
7 #include "strbuf.h"
8 #include "object-store.h"
9 #include "parse-options.h"
10
11 /*
12 * submodule cache lookup structure
13 * There is one shared set of 'struct submodule' entries which can be
14 * looked up by their sha1 blob id of the .gitmodules file and either
15 * using path or name as key.
16 * for_path stores submodule entries with path as key
17 * for_name stores submodule entries with name as key
18 */
19 struct submodule_cache {
20 struct hashmap for_path;
21 struct hashmap for_name;
22 unsigned initialized:1;
23 unsigned gitmodules_read:1;
24 };
25
26 /*
27 * thin wrapper struct needed to insert 'struct submodule' entries to
28 * the hashmap
29 */
30 struct submodule_entry {
31 struct hashmap_entry ent;
32 struct submodule *config;
33 };
34
35 enum lookup_type {
36 lookup_name,
37 lookup_path
38 };
39
40 static int config_path_cmp(const void *unused_cmp_data,
41 const void *entry,
42 const void *entry_or_key,
43 const void *unused_keydata)
44 {
45 const struct submodule_entry *a = entry;
46 const struct submodule_entry *b = entry_or_key;
47
48 return strcmp(a->config->path, b->config->path) ||
49 !oideq(&a->config->gitmodules_oid, &b->config->gitmodules_oid);
50 }
51
52 static int config_name_cmp(const void *unused_cmp_data,
53 const void *entry,
54 const void *entry_or_key,
55 const void *unused_keydata)
56 {
57 const struct submodule_entry *a = entry;
58 const struct submodule_entry *b = entry_or_key;
59
60 return strcmp(a->config->name, b->config->name) ||
61 !oideq(&a->config->gitmodules_oid, &b->config->gitmodules_oid);
62 }
63
64 static struct submodule_cache *submodule_cache_alloc(void)
65 {
66 return xcalloc(1, sizeof(struct submodule_cache));
67 }
68
69 static void submodule_cache_init(struct submodule_cache *cache)
70 {
71 hashmap_init(&cache->for_path, config_path_cmp, NULL, 0);
72 hashmap_init(&cache->for_name, config_name_cmp, NULL, 0);
73 cache->initialized = 1;
74 }
75
76 static void free_one_config(struct submodule_entry *entry)
77 {
78 free((void *) entry->config->path);
79 free((void *) entry->config->name);
80 free((void *) entry->config->branch);
81 free((void *) entry->config->update_strategy.command);
82 free(entry->config);
83 }
84
85 static void submodule_cache_clear(struct submodule_cache *cache)
86 {
87 struct hashmap_iter iter;
88 struct submodule_entry *entry;
89
90 if (!cache->initialized)
91 return;
92
93 /*
94 * We iterate over the name hash here to be symmetric with the
95 * allocation of struct submodule entries. Each is allocated by
96 * their .gitmodules blob sha1 and submodule name.
97 */
98 hashmap_iter_init(&cache->for_name, &iter);
99 while ((entry = hashmap_iter_next(&iter)))
100 free_one_config(entry);
101
102 hashmap_free(&cache->for_path, 1);
103 hashmap_free(&cache->for_name, 1);
104 cache->initialized = 0;
105 cache->gitmodules_read = 0;
106 }
107
108 void submodule_cache_free(struct submodule_cache *cache)
109 {
110 submodule_cache_clear(cache);
111 free(cache);
112 }
113
114 static unsigned int hash_oid_string(const struct object_id *oid,
115 const char *string)
116 {
117 return memhash(oid->hash, the_hash_algo->rawsz) + strhash(string);
118 }
119
120 static void cache_put_path(struct submodule_cache *cache,
121 struct submodule *submodule)
122 {
123 unsigned int hash = hash_oid_string(&submodule->gitmodules_oid,
124 submodule->path);
125 struct submodule_entry *e = xmalloc(sizeof(*e));
126 hashmap_entry_init(e, hash);
127 e->config = submodule;
128 hashmap_put(&cache->for_path, e);
129 }
130
131 static void cache_remove_path(struct submodule_cache *cache,
132 struct submodule *submodule)
133 {
134 unsigned int hash = hash_oid_string(&submodule->gitmodules_oid,
135 submodule->path);
136 struct submodule_entry e;
137 struct submodule_entry *removed;
138 hashmap_entry_init(&e, hash);
139 e.config = submodule;
140 removed = hashmap_remove(&cache->for_path, &e, NULL);
141 free(removed);
142 }
143
144 static void cache_add(struct submodule_cache *cache,
145 struct submodule *submodule)
146 {
147 unsigned int hash = hash_oid_string(&submodule->gitmodules_oid,
148 submodule->name);
149 struct submodule_entry *e = xmalloc(sizeof(*e));
150 hashmap_entry_init(e, hash);
151 e->config = submodule;
152 hashmap_add(&cache->for_name, e);
153 }
154
155 static const struct submodule *cache_lookup_path(struct submodule_cache *cache,
156 const struct object_id *gitmodules_oid, const char *path)
157 {
158 struct submodule_entry *entry;
159 unsigned int hash = hash_oid_string(gitmodules_oid, path);
160 struct submodule_entry key;
161 struct submodule key_config;
162
163 oidcpy(&key_config.gitmodules_oid, gitmodules_oid);
164 key_config.path = path;
165
166 hashmap_entry_init(&key, hash);
167 key.config = &key_config;
168
169 entry = hashmap_get(&cache->for_path, &key, NULL);
170 if (entry)
171 return entry->config;
172 return NULL;
173 }
174
175 static struct submodule *cache_lookup_name(struct submodule_cache *cache,
176 const struct object_id *gitmodules_oid, const char *name)
177 {
178 struct submodule_entry *entry;
179 unsigned int hash = hash_oid_string(gitmodules_oid, name);
180 struct submodule_entry key;
181 struct submodule key_config;
182
183 oidcpy(&key_config.gitmodules_oid, gitmodules_oid);
184 key_config.name = name;
185
186 hashmap_entry_init(&key, hash);
187 key.config = &key_config;
188
189 entry = hashmap_get(&cache->for_name, &key, NULL);
190 if (entry)
191 return entry->config;
192 return NULL;
193 }
194
195 int check_submodule_name(const char *name)
196 {
197 /* Disallow empty names */
198 if (!*name)
199 return -1;
200
201 /*
202 * Look for '..' as a path component. Check both '/' and '\\' as
203 * separators rather than is_dir_sep(), because we want the name rules
204 * to be consistent across platforms.
205 */
206 goto in_component; /* always start inside component */
207 while (*name) {
208 char c = *name++;
209 if (c == '/' || c == '\\') {
210 in_component:
211 if (name[0] == '.' && name[1] == '.' &&
212 (!name[2] || name[2] == '/' || name[2] == '\\'))
213 return -1;
214 }
215 }
216
217 return 0;
218 }
219
220 static int name_and_item_from_var(const char *var, struct strbuf *name,
221 struct strbuf *item)
222 {
223 const char *subsection, *key;
224 int subsection_len, parse;
225 parse = parse_config_key(var, "submodule", &subsection,
226 &subsection_len, &key);
227 if (parse < 0 || !subsection)
228 return 0;
229
230 strbuf_add(name, subsection, subsection_len);
231 if (check_submodule_name(name->buf) < 0) {
232 warning(_("ignoring suspicious submodule name: %s"), name->buf);
233 strbuf_release(name);
234 return 0;
235 }
236
237 strbuf_addstr(item, key);
238
239 return 1;
240 }
241
242 static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache,
243 const struct object_id *gitmodules_oid, const char *name)
244 {
245 struct submodule *submodule;
246 struct strbuf name_buf = STRBUF_INIT;
247
248 submodule = cache_lookup_name(cache, gitmodules_oid, name);
249 if (submodule)
250 return submodule;
251
252 submodule = xmalloc(sizeof(*submodule));
253
254 strbuf_addstr(&name_buf, name);
255 submodule->name = strbuf_detach(&name_buf, NULL);
256
257 submodule->path = NULL;
258 submodule->url = NULL;
259 submodule->update_strategy.type = SM_UPDATE_UNSPECIFIED;
260 submodule->update_strategy.command = NULL;
261 submodule->fetch_recurse = RECURSE_SUBMODULES_NONE;
262 submodule->ignore = NULL;
263 submodule->branch = NULL;
264 submodule->recommend_shallow = -1;
265
266 oidcpy(&submodule->gitmodules_oid, gitmodules_oid);
267
268 cache_add(cache, submodule);
269
270 return submodule;
271 }
272
273 static int parse_fetch_recurse(const char *opt, const char *arg,
274 int die_on_error)
275 {
276 switch (git_parse_maybe_bool(arg)) {
277 case 1:
278 return RECURSE_SUBMODULES_ON;
279 case 0:
280 return RECURSE_SUBMODULES_OFF;
281 default:
282 if (!strcmp(arg, "on-demand"))
283 return RECURSE_SUBMODULES_ON_DEMAND;
284 /*
285 * Please update $__git_fetch_recurse_submodules in
286 * git-completion.bash when you add new options.
287 */
288 if (die_on_error)
289 die("bad %s argument: %s", opt, arg);
290 else
291 return RECURSE_SUBMODULES_ERROR;
292 }
293 }
294
295 int parse_submodule_fetchjobs(const char *var, const char *value)
296 {
297 int fetchjobs = git_config_int(var, value);
298 if (fetchjobs < 0)
299 die(_("negative values not allowed for submodule.fetchjobs"));
300 return fetchjobs;
301 }
302
303 int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg)
304 {
305 return parse_fetch_recurse(opt, arg, 1);
306 }
307
308 int option_fetch_parse_recurse_submodules(const struct option *opt,
309 const char *arg, int unset)
310 {
311 int *v;
312
313 if (!opt->value)
314 return -1;
315
316 v = opt->value;
317
318 if (unset) {
319 *v = RECURSE_SUBMODULES_OFF;
320 } else {
321 if (arg)
322 *v = parse_fetch_recurse_submodules_arg(opt->long_name, arg);
323 else
324 *v = RECURSE_SUBMODULES_ON;
325 }
326 return 0;
327 }
328
329 static int parse_update_recurse(const char *opt, const char *arg,
330 int die_on_error)
331 {
332 switch (git_parse_maybe_bool(arg)) {
333 case 1:
334 return RECURSE_SUBMODULES_ON;
335 case 0:
336 return RECURSE_SUBMODULES_OFF;
337 default:
338 if (die_on_error)
339 die("bad %s argument: %s", opt, arg);
340 return RECURSE_SUBMODULES_ERROR;
341 }
342 }
343
344 int parse_update_recurse_submodules_arg(const char *opt, const char *arg)
345 {
346 return parse_update_recurse(opt, arg, 1);
347 }
348
349 static int parse_push_recurse(const char *opt, const char *arg,
350 int die_on_error)
351 {
352 switch (git_parse_maybe_bool(arg)) {
353 case 1:
354 /* There's no simple "on" value when pushing */
355 if (die_on_error)
356 die("bad %s argument: %s", opt, arg);
357 else
358 return RECURSE_SUBMODULES_ERROR;
359 case 0:
360 return RECURSE_SUBMODULES_OFF;
361 default:
362 if (!strcmp(arg, "on-demand"))
363 return RECURSE_SUBMODULES_ON_DEMAND;
364 else if (!strcmp(arg, "check"))
365 return RECURSE_SUBMODULES_CHECK;
366 else if (!strcmp(arg, "only"))
367 return RECURSE_SUBMODULES_ONLY;
368 /*
369 * Please update $__git_push_recurse_submodules in
370 * git-completion.bash when you add new modes.
371 */
372 else if (die_on_error)
373 die("bad %s argument: %s", opt, arg);
374 else
375 return RECURSE_SUBMODULES_ERROR;
376 }
377 }
378
379 int parse_push_recurse_submodules_arg(const char *opt, const char *arg)
380 {
381 return parse_push_recurse(opt, arg, 1);
382 }
383
384 static void warn_multiple_config(const struct object_id *treeish_name,
385 const char *name, const char *option)
386 {
387 const char *commit_string = "WORKTREE";
388 if (treeish_name)
389 commit_string = oid_to_hex(treeish_name);
390 warning("%s:.gitmodules, multiple configurations found for "
391 "'submodule.%s.%s'. Skipping second one!",
392 commit_string, name, option);
393 }
394
395 static void warn_command_line_option(const char *var, const char *value)
396 {
397 warning(_("ignoring '%s' which may be interpreted as"
398 " a command-line option: %s"), var, value);
399 }
400
401 struct parse_config_parameter {
402 struct submodule_cache *cache;
403 const struct object_id *treeish_name;
404 const struct object_id *gitmodules_oid;
405 int overwrite;
406 };
407
408 static int parse_config(const char *var, const char *value, void *data)
409 {
410 struct parse_config_parameter *me = data;
411 struct submodule *submodule;
412 struct strbuf name = STRBUF_INIT, item = STRBUF_INIT;
413 int ret = 0;
414
415 /* this also ensures that we only parse submodule entries */
416 if (!name_and_item_from_var(var, &name, &item))
417 return 0;
418
419 submodule = lookup_or_create_by_name(me->cache,
420 me->gitmodules_oid,
421 name.buf);
422
423 if (!strcmp(item.buf, "path")) {
424 if (!value)
425 ret = config_error_nonbool(var);
426 else if (looks_like_command_line_option(value))
427 warn_command_line_option(var, value);
428 else if (!me->overwrite && submodule->path)
429 warn_multiple_config(me->treeish_name, submodule->name,
430 "path");
431 else {
432 if (submodule->path)
433 cache_remove_path(me->cache, submodule);
434 free((void *) submodule->path);
435 submodule->path = xstrdup(value);
436 cache_put_path(me->cache, submodule);
437 }
438 } else if (!strcmp(item.buf, "fetchrecursesubmodules")) {
439 /* when parsing worktree configurations we can die early */
440 int die_on_error = is_null_oid(me->gitmodules_oid);
441 if (!me->overwrite &&
442 submodule->fetch_recurse != RECURSE_SUBMODULES_NONE)
443 warn_multiple_config(me->treeish_name, submodule->name,
444 "fetchrecursesubmodules");
445 else
446 submodule->fetch_recurse = parse_fetch_recurse(
447 var, value,
448 die_on_error);
449 } else if (!strcmp(item.buf, "ignore")) {
450 if (!value)
451 ret = config_error_nonbool(var);
452 else if (!me->overwrite && submodule->ignore)
453 warn_multiple_config(me->treeish_name, submodule->name,
454 "ignore");
455 else if (strcmp(value, "untracked") &&
456 strcmp(value, "dirty") &&
457 strcmp(value, "all") &&
458 strcmp(value, "none"))
459 warning("Invalid parameter '%s' for config option "
460 "'submodule.%s.ignore'", value, name.buf);
461 else {
462 free((void *) submodule->ignore);
463 submodule->ignore = xstrdup(value);
464 }
465 } else if (!strcmp(item.buf, "url")) {
466 if (!value) {
467 ret = config_error_nonbool(var);
468 } else if (looks_like_command_line_option(value)) {
469 warn_command_line_option(var, value);
470 } else if (!me->overwrite && submodule->url) {
471 warn_multiple_config(me->treeish_name, submodule->name,
472 "url");
473 } else {
474 free((void *) submodule->url);
475 submodule->url = xstrdup(value);
476 }
477 } else if (!strcmp(item.buf, "update")) {
478 if (!value)
479 ret = config_error_nonbool(var);
480 else if (!me->overwrite &&
481 submodule->update_strategy.type != SM_UPDATE_UNSPECIFIED)
482 warn_multiple_config(me->treeish_name, submodule->name,
483 "update");
484 else if (parse_submodule_update_strategy(value,
485 &submodule->update_strategy) < 0)
486 die(_("invalid value for %s"), var);
487 } else if (!strcmp(item.buf, "shallow")) {
488 if (!me->overwrite && submodule->recommend_shallow != -1)
489 warn_multiple_config(me->treeish_name, submodule->name,
490 "shallow");
491 else
492 submodule->recommend_shallow =
493 git_config_bool(var, value);
494 } else if (!strcmp(item.buf, "branch")) {
495 if (!me->overwrite && submodule->branch)
496 warn_multiple_config(me->treeish_name, submodule->name,
497 "branch");
498 else {
499 free((void *)submodule->branch);
500 submodule->branch = xstrdup(value);
501 }
502 }
503
504 strbuf_release(&name);
505 strbuf_release(&item);
506
507 return ret;
508 }
509
510 static int gitmodule_oid_from_commit(const struct object_id *treeish_name,
511 struct object_id *gitmodules_oid,
512 struct strbuf *rev)
513 {
514 int ret = 0;
515
516 if (is_null_oid(treeish_name)) {
517 oidclr(gitmodules_oid);
518 return 1;
519 }
520
521 strbuf_addf(rev, "%s:.gitmodules", oid_to_hex(treeish_name));
522 if (get_oid(rev->buf, gitmodules_oid) >= 0)
523 ret = 1;
524
525 return ret;
526 }
527
528 /* This does a lookup of a submodule configuration by name or by path
529 * (key) with on-demand reading of the appropriate .gitmodules from
530 * revisions.
531 */
532 static const struct submodule *config_from(struct submodule_cache *cache,
533 const struct object_id *treeish_name, const char *key,
534 enum lookup_type lookup_type)
535 {
536 struct strbuf rev = STRBUF_INIT;
537 unsigned long config_size;
538 char *config = NULL;
539 struct object_id oid;
540 enum object_type type;
541 const struct submodule *submodule = NULL;
542 struct parse_config_parameter parameter;
543
544 /*
545 * If any parameter except the cache is a NULL pointer just
546 * return the first submodule. Can be used to check whether
547 * there are any submodules parsed.
548 */
549 if (!treeish_name || !key) {
550 struct hashmap_iter iter;
551 struct submodule_entry *entry;
552
553 entry = hashmap_iter_first(&cache->for_name, &iter);
554 if (!entry)
555 return NULL;
556 return entry->config;
557 }
558
559 if (!gitmodule_oid_from_commit(treeish_name, &oid, &rev))
560 goto out;
561
562 switch (lookup_type) {
563 case lookup_name:
564 submodule = cache_lookup_name(cache, &oid, key);
565 break;
566 case lookup_path:
567 submodule = cache_lookup_path(cache, &oid, key);
568 break;
569 }
570 if (submodule)
571 goto out;
572
573 config = read_object_file(&oid, &type, &config_size);
574 if (!config || type != OBJ_BLOB)
575 goto out;
576
577 /* fill the submodule config into the cache */
578 parameter.cache = cache;
579 parameter.treeish_name = treeish_name;
580 parameter.gitmodules_oid = &oid;
581 parameter.overwrite = 0;
582 git_config_from_mem(parse_config, CONFIG_ORIGIN_SUBMODULE_BLOB, rev.buf,
583 config, config_size, &parameter, NULL);
584 strbuf_release(&rev);
585 free(config);
586
587 switch (lookup_type) {
588 case lookup_name:
589 return cache_lookup_name(cache, &oid, key);
590 case lookup_path:
591 return cache_lookup_path(cache, &oid, key);
592 default:
593 return NULL;
594 }
595
596 out:
597 strbuf_release(&rev);
598 free(config);
599 return submodule;
600 }
601
602 static void submodule_cache_check_init(struct repository *repo)
603 {
604 if (repo->submodule_cache && repo->submodule_cache->initialized)
605 return;
606
607 if (!repo->submodule_cache)
608 repo->submodule_cache = submodule_cache_alloc();
609
610 submodule_cache_init(repo->submodule_cache);
611 }
612
613 /*
614 * Note: This function is private for a reason, the '.gitmodules' file should
615 * not be used as as a mechanism to retrieve arbitrary configuration stored in
616 * the repository.
617 *
618 * Runs the provided config function on the '.gitmodules' file found in the
619 * working directory.
620 */
621 static void config_from_gitmodules(config_fn_t fn, struct repository *repo, void *data)
622 {
623 if (repo->worktree) {
624 struct git_config_source config_source = { 0 };
625 const struct config_options opts = { 0 };
626 struct object_id oid;
627 char *file;
628 char *oidstr = NULL;
629
630 file = repo_worktree_path(repo, GITMODULES_FILE);
631 if (file_exists(file)) {
632 config_source.file = file;
633 } else if (repo_get_oid(repo, GITMODULES_INDEX, &oid) >= 0 ||
634 repo_get_oid(repo, GITMODULES_HEAD, &oid) >= 0) {
635 config_source.blob = oidstr = xstrdup(oid_to_hex(&oid));
636 if (repo != the_repository)
637 add_to_alternates_memory(repo->objects->odb->path);
638 } else {
639 goto out;
640 }
641
642 config_with_options(fn, data, &config_source, &opts);
643
644 out:
645 free(oidstr);
646 free(file);
647 }
648 }
649
650 static int gitmodules_cb(const char *var, const char *value, void *data)
651 {
652 struct repository *repo = data;
653 struct parse_config_parameter parameter;
654
655 parameter.cache = repo->submodule_cache;
656 parameter.treeish_name = NULL;
657 parameter.gitmodules_oid = &null_oid;
658 parameter.overwrite = 1;
659
660 return parse_config(var, value, &parameter);
661 }
662
663 void repo_read_gitmodules(struct repository *repo)
664 {
665 submodule_cache_check_init(repo);
666
667 if (repo_read_index(repo) < 0)
668 return;
669
670 if (!is_gitmodules_unmerged(repo->index))
671 config_from_gitmodules(gitmodules_cb, repo, repo);
672
673 repo->submodule_cache->gitmodules_read = 1;
674 }
675
676 void gitmodules_config_oid(const struct object_id *commit_oid)
677 {
678 struct strbuf rev = STRBUF_INIT;
679 struct object_id oid;
680
681 submodule_cache_check_init(the_repository);
682
683 if (gitmodule_oid_from_commit(commit_oid, &oid, &rev)) {
684 git_config_from_blob_oid(gitmodules_cb, rev.buf,
685 &oid, the_repository);
686 }
687 strbuf_release(&rev);
688
689 the_repository->submodule_cache->gitmodules_read = 1;
690 }
691
692 static void gitmodules_read_check(struct repository *repo)
693 {
694 submodule_cache_check_init(repo);
695
696 /* read the repo's .gitmodules file if it hasn't been already */
697 if (!repo->submodule_cache->gitmodules_read)
698 repo_read_gitmodules(repo);
699 }
700
701 const struct submodule *submodule_from_name(struct repository *r,
702 const struct object_id *treeish_name,
703 const char *name)
704 {
705 gitmodules_read_check(r);
706 return config_from(r->submodule_cache, treeish_name, name, lookup_name);
707 }
708
709 const struct submodule *submodule_from_path(struct repository *r,
710 const struct object_id *treeish_name,
711 const char *path)
712 {
713 gitmodules_read_check(r);
714 return config_from(r->submodule_cache, treeish_name, path, lookup_path);
715 }
716
717 void submodule_free(struct repository *r)
718 {
719 if (r->submodule_cache)
720 submodule_cache_clear(r->submodule_cache);
721 }
722
723 static int config_print_callback(const char *var, const char *value, void *cb_data)
724 {
725 char *wanted_key = cb_data;
726
727 if (!strcmp(wanted_key, var))
728 printf("%s\n", value);
729
730 return 0;
731 }
732
733 int print_config_from_gitmodules(struct repository *repo, const char *key)
734 {
735 int ret;
736 char *store_key;
737
738 ret = git_config_parse_key(key, &store_key, NULL);
739 if (ret < 0)
740 return CONFIG_INVALID_KEY;
741
742 config_from_gitmodules(config_print_callback, repo, store_key);
743
744 free(store_key);
745 return 0;
746 }
747
748 int config_set_in_gitmodules_file_gently(const char *key, const char *value)
749 {
750 int ret;
751
752 ret = git_config_set_in_file_gently(GITMODULES_FILE, key, value);
753 if (ret < 0)
754 /* Maybe the user already did that, don't error out here */
755 warning(_("Could not update .gitmodules entry %s"), key);
756
757 return ret;
758 }
759
760 struct fetch_config {
761 int *max_children;
762 int *recurse_submodules;
763 };
764
765 static int gitmodules_fetch_config(const char *var, const char *value, void *cb)
766 {
767 struct fetch_config *config = cb;
768 if (!strcmp(var, "submodule.fetchjobs")) {
769 *(config->max_children) = parse_submodule_fetchjobs(var, value);
770 return 0;
771 } else if (!strcmp(var, "fetch.recursesubmodules")) {
772 *(config->recurse_submodules) = parse_fetch_recurse_submodules_arg(var, value);
773 return 0;
774 }
775
776 return 0;
777 }
778
779 void fetch_config_from_gitmodules(int *max_children, int *recurse_submodules)
780 {
781 struct fetch_config config = {
782 .max_children = max_children,
783 .recurse_submodules = recurse_submodules
784 };
785 config_from_gitmodules(gitmodules_fetch_config, the_repository, &config);
786 }
787
788 static int gitmodules_update_clone_config(const char *var, const char *value,
789 void *cb)
790 {
791 int *max_jobs = cb;
792 if (!strcmp(var, "submodule.fetchjobs"))
793 *max_jobs = parse_submodule_fetchjobs(var, value);
794 return 0;
795 }
796
797 void update_clone_config_from_gitmodules(int *max_jobs)
798 {
799 config_from_gitmodules(gitmodules_update_clone_config, the_repository, &max_jobs);
800 }