submodule: add a print_config_from_gitmodules() helper
[git/git.git] / submodule-config.c
CommitLineData
959b5455 1#include "cache.h"
bf12fcdf 2#include "repository.h"
b2141fc1 3#include "config.h"
959b5455
HV
4#include "submodule-config.h"
5#include "submodule.h"
6#include "strbuf.h"
cbd53a21 7#include "object-store.h"
886dc154 8#include "parse-options.h"
959b5455
HV
9
10/*
11 * submodule cache lookup structure
12 * There is one shared set of 'struct submodule' entries which can be
5aea9fe6 13 * looked up by their sha1 blob id of the .gitmodules file and either
959b5455
HV
14 * using path or name as key.
15 * for_path stores submodule entries with path as key
16 * for_name stores submodule entries with name as key
17 */
18struct submodule_cache {
19 struct hashmap for_path;
20 struct hashmap for_name;
bf12fcdf 21 unsigned initialized:1;
ff6f1f56 22 unsigned gitmodules_read:1;
959b5455
HV
23};
24
25/*
26 * thin wrapper struct needed to insert 'struct submodule' entries to
27 * the hashmap
28 */
29struct submodule_entry {
30 struct hashmap_entry ent;
31 struct submodule *config;
32};
33
34enum lookup_type {
35 lookup_name,
36 lookup_path
37};
38
7663cdc8 39static int config_path_cmp(const void *unused_cmp_data,
152cbdc6
SB
40 const void *entry,
41 const void *entry_or_key,
7663cdc8 42 const void *unused_keydata)
959b5455 43{
152cbdc6
SB
44 const struct submodule_entry *a = entry;
45 const struct submodule_entry *b = entry_or_key;
46
959b5455 47 return strcmp(a->config->path, b->config->path) ||
34caab02 48 oidcmp(&a->config->gitmodules_oid, &b->config->gitmodules_oid);
959b5455
HV
49}
50
7663cdc8 51static int config_name_cmp(const void *unused_cmp_data,
152cbdc6
SB
52 const void *entry,
53 const void *entry_or_key,
7663cdc8 54 const void *unused_keydata)
959b5455 55{
152cbdc6
SB
56 const struct submodule_entry *a = entry;
57 const struct submodule_entry *b = entry_or_key;
58
959b5455 59 return strcmp(a->config->name, b->config->name) ||
34caab02 60 oidcmp(&a->config->gitmodules_oid, &b->config->gitmodules_oid);
959b5455
HV
61}
62
bf12fcdf
BW
63static struct submodule_cache *submodule_cache_alloc(void)
64{
65 return xcalloc(1, sizeof(struct submodule_cache));
66}
67
68static void submodule_cache_init(struct submodule_cache *cache)
959b5455 69{
152cbdc6
SB
70 hashmap_init(&cache->for_path, config_path_cmp, NULL, 0);
71 hashmap_init(&cache->for_name, config_name_cmp, NULL, 0);
bf12fcdf 72 cache->initialized = 1;
959b5455
HV
73}
74
75static void free_one_config(struct submodule_entry *entry)
76{
77 free((void *) entry->config->path);
78 free((void *) entry->config->name);
b5944f34 79 free((void *) entry->config->branch);
ea2fa5a3 80 free((void *) entry->config->update_strategy.command);
959b5455
HV
81 free(entry->config);
82}
83
bf12fcdf 84static void submodule_cache_clear(struct submodule_cache *cache)
959b5455
HV
85{
86 struct hashmap_iter iter;
87 struct submodule_entry *entry;
88
bf12fcdf
BW
89 if (!cache->initialized)
90 return;
91
959b5455
HV
92 /*
93 * We iterate over the name hash here to be symmetric with the
94 * allocation of struct submodule entries. Each is allocated by
5aea9fe6 95 * their .gitmodules blob sha1 and submodule name.
959b5455
HV
96 */
97 hashmap_iter_init(&cache->for_name, &iter);
98 while ((entry = hashmap_iter_next(&iter)))
99 free_one_config(entry);
100
101 hashmap_free(&cache->for_path, 1);
102 hashmap_free(&cache->for_name, 1);
bf12fcdf 103 cache->initialized = 0;
ff6f1f56 104 cache->gitmodules_read = 0;
bf12fcdf
BW
105}
106
107void submodule_cache_free(struct submodule_cache *cache)
108{
109 submodule_cache_clear(cache);
110 free(cache);
959b5455
HV
111}
112
34caab02 113static unsigned int hash_oid_string(const struct object_id *oid,
114 const char *string)
959b5455 115{
34caab02 116 return memhash(oid->hash, the_hash_algo->rawsz) + strhash(string);
959b5455
HV
117}
118
119static void cache_put_path(struct submodule_cache *cache,
120 struct submodule *submodule)
121{
34caab02 122 unsigned int hash = hash_oid_string(&submodule->gitmodules_oid,
123 submodule->path);
959b5455
HV
124 struct submodule_entry *e = xmalloc(sizeof(*e));
125 hashmap_entry_init(e, hash);
126 e->config = submodule;
127 hashmap_put(&cache->for_path, e);
128}
129
130static void cache_remove_path(struct submodule_cache *cache,
131 struct submodule *submodule)
132{
34caab02 133 unsigned int hash = hash_oid_string(&submodule->gitmodules_oid,
134 submodule->path);
959b5455
HV
135 struct submodule_entry e;
136 struct submodule_entry *removed;
137 hashmap_entry_init(&e, hash);
138 e.config = submodule;
139 removed = hashmap_remove(&cache->for_path, &e, NULL);
140 free(removed);
141}
142
143static void cache_add(struct submodule_cache *cache,
144 struct submodule *submodule)
145{
34caab02 146 unsigned int hash = hash_oid_string(&submodule->gitmodules_oid,
147 submodule->name);
959b5455
HV
148 struct submodule_entry *e = xmalloc(sizeof(*e));
149 hashmap_entry_init(e, hash);
150 e->config = submodule;
151 hashmap_add(&cache->for_name, e);
152}
153
154static const struct submodule *cache_lookup_path(struct submodule_cache *cache,
34caab02 155 const struct object_id *gitmodules_oid, const char *path)
959b5455
HV
156{
157 struct submodule_entry *entry;
34caab02 158 unsigned int hash = hash_oid_string(gitmodules_oid, path);
959b5455
HV
159 struct submodule_entry key;
160 struct submodule key_config;
161
34caab02 162 oidcpy(&key_config.gitmodules_oid, gitmodules_oid);
959b5455
HV
163 key_config.path = path;
164
165 hashmap_entry_init(&key, hash);
166 key.config = &key_config;
167
168 entry = hashmap_get(&cache->for_path, &key, NULL);
169 if (entry)
170 return entry->config;
171 return NULL;
172}
173
174static struct submodule *cache_lookup_name(struct submodule_cache *cache,
34caab02 175 const struct object_id *gitmodules_oid, const char *name)
959b5455
HV
176{
177 struct submodule_entry *entry;
34caab02 178 unsigned int hash = hash_oid_string(gitmodules_oid, name);
959b5455
HV
179 struct submodule_entry key;
180 struct submodule key_config;
181
34caab02 182 oidcpy(&key_config.gitmodules_oid, gitmodules_oid);
959b5455
HV
183 key_config.name = name;
184
185 hashmap_entry_init(&key, hash);
186 key.config = &key_config;
187
188 entry = hashmap_get(&cache->for_name, &key, NULL);
189 if (entry)
190 return entry->config;
191 return NULL;
192}
193
0383bbb9
JK
194int check_submodule_name(const char *name)
195{
196 /* Disallow empty names */
197 if (!*name)
198 return -1;
199
200 /*
201 * Look for '..' as a path component. Check both '/' and '\\' as
202 * separators rather than is_dir_sep(), because we want the name rules
203 * to be consistent across platforms.
204 */
205 goto in_component; /* always start inside component */
206 while (*name) {
207 char c = *name++;
208 if (c == '/' || c == '\\') {
209in_component:
210 if (name[0] == '.' && name[1] == '.' &&
211 (!name[2] || name[2] == '/' || name[2] == '\\'))
212 return -1;
213 }
214 }
215
216 return 0;
217}
218
959b5455
HV
219static int name_and_item_from_var(const char *var, struct strbuf *name,
220 struct strbuf *item)
221{
222 const char *subsection, *key;
223 int subsection_len, parse;
224 parse = parse_config_key(var, "submodule", &subsection,
225 &subsection_len, &key);
226 if (parse < 0 || !subsection)
227 return 0;
228
229 strbuf_add(name, subsection, subsection_len);
0383bbb9
JK
230 if (check_submodule_name(name->buf) < 0) {
231 warning(_("ignoring suspicious submodule name: %s"), name->buf);
232 strbuf_release(name);
233 return 0;
234 }
235
959b5455
HV
236 strbuf_addstr(item, key);
237
238 return 1;
239}
240
241static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache,
34caab02 242 const struct object_id *gitmodules_oid, const char *name)
959b5455
HV
243{
244 struct submodule *submodule;
245 struct strbuf name_buf = STRBUF_INIT;
246
34caab02 247 submodule = cache_lookup_name(cache, gitmodules_oid, name);
959b5455
HV
248 if (submodule)
249 return submodule;
250
251 submodule = xmalloc(sizeof(*submodule));
252
253 strbuf_addstr(&name_buf, name);
254 submodule->name = strbuf_detach(&name_buf, NULL);
255
256 submodule->path = NULL;
257 submodule->url = NULL;
ea2fa5a3
SB
258 submodule->update_strategy.type = SM_UPDATE_UNSPECIFIED;
259 submodule->update_strategy.command = NULL;
959b5455
HV
260 submodule->fetch_recurse = RECURSE_SUBMODULES_NONE;
261 submodule->ignore = NULL;
b5944f34 262 submodule->branch = NULL;
37f52e93 263 submodule->recommend_shallow = -1;
959b5455 264
34caab02 265 oidcpy(&submodule->gitmodules_oid, gitmodules_oid);
959b5455
HV
266
267 cache_add(cache, submodule);
268
269 return submodule;
270}
271
027771fc
HV
272static int parse_fetch_recurse(const char *opt, const char *arg,
273 int die_on_error)
274{
89576613 275 switch (git_parse_maybe_bool(arg)) {
027771fc
HV
276 case 1:
277 return RECURSE_SUBMODULES_ON;
278 case 0:
279 return RECURSE_SUBMODULES_OFF;
280 default:
281 if (!strcmp(arg, "on-demand"))
282 return RECURSE_SUBMODULES_ON_DEMAND;
283
284 if (die_on_error)
285 die("bad %s argument: %s", opt, arg);
286 else
287 return RECURSE_SUBMODULES_ERROR;
288 }
289}
290
f20e7c1e
BW
291int parse_submodule_fetchjobs(const char *var, const char *value)
292{
293 int fetchjobs = git_config_int(var, value);
294 if (fetchjobs < 0)
295 die(_("negative values not allowed for submodule.fetchjobs"));
296 return fetchjobs;
297}
298
027771fc
HV
299int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg)
300{
301 return parse_fetch_recurse(opt, arg, 1);
302}
303
886dc154
SB
304int option_fetch_parse_recurse_submodules(const struct option *opt,
305 const char *arg, int unset)
306{
307 int *v;
308
309 if (!opt->value)
310 return -1;
311
312 v = opt->value;
313
314 if (unset) {
315 *v = RECURSE_SUBMODULES_OFF;
316 } else {
317 if (arg)
318 *v = parse_fetch_recurse_submodules_arg(opt->long_name, arg);
319 else
320 *v = RECURSE_SUBMODULES_ON;
321 }
322 return 0;
323}
324
d601fd09
SB
325static int parse_update_recurse(const char *opt, const char *arg,
326 int die_on_error)
327{
bdfcdefd 328 switch (git_parse_maybe_bool(arg)) {
d601fd09
SB
329 case 1:
330 return RECURSE_SUBMODULES_ON;
331 case 0:
332 return RECURSE_SUBMODULES_OFF;
333 default:
334 if (die_on_error)
335 die("bad %s argument: %s", opt, arg);
336 return RECURSE_SUBMODULES_ERROR;
337 }
338}
339
340int parse_update_recurse_submodules_arg(const char *opt, const char *arg)
341{
342 return parse_update_recurse(opt, arg, 1);
343}
344
b33a15b0
MC
345static int parse_push_recurse(const char *opt, const char *arg,
346 int die_on_error)
347{
89576613 348 switch (git_parse_maybe_bool(arg)) {
b33a15b0
MC
349 case 1:
350 /* There's no simple "on" value when pushing */
351 if (die_on_error)
352 die("bad %s argument: %s", opt, arg);
353 else
354 return RECURSE_SUBMODULES_ERROR;
355 case 0:
356 return RECURSE_SUBMODULES_OFF;
357 default:
358 if (!strcmp(arg, "on-demand"))
359 return RECURSE_SUBMODULES_ON_DEMAND;
360 else if (!strcmp(arg, "check"))
361 return RECURSE_SUBMODULES_CHECK;
6c656c3f
BW
362 else if (!strcmp(arg, "only"))
363 return RECURSE_SUBMODULES_ONLY;
b33a15b0
MC
364 else if (die_on_error)
365 die("bad %s argument: %s", opt, arg);
366 else
367 return RECURSE_SUBMODULES_ERROR;
368 }
369}
370
371int parse_push_recurse_submodules_arg(const char *opt, const char *arg)
372{
373 return parse_push_recurse(opt, arg, 1);
374}
375
34caab02 376static void warn_multiple_config(const struct object_id *treeish_name,
959b5455
HV
377 const char *name, const char *option)
378{
379 const char *commit_string = "WORKTREE";
73c293bb 380 if (treeish_name)
34caab02 381 commit_string = oid_to_hex(treeish_name);
959b5455
HV
382 warning("%s:.gitmodules, multiple configurations found for "
383 "'submodule.%s.%s'. Skipping second one!",
384 commit_string, name, option);
385}
386
387struct parse_config_parameter {
388 struct submodule_cache *cache;
34caab02 389 const struct object_id *treeish_name;
390 const struct object_id *gitmodules_oid;
959b5455
HV
391 int overwrite;
392};
393
394static int parse_config(const char *var, const char *value, void *data)
395{
396 struct parse_config_parameter *me = data;
397 struct submodule *submodule;
398 struct strbuf name = STRBUF_INIT, item = STRBUF_INIT;
399 int ret = 0;
400
401 /* this also ensures that we only parse submodule entries */
402 if (!name_and_item_from_var(var, &name, &item))
403 return 0;
404
147875fd 405 submodule = lookup_or_create_by_name(me->cache,
34caab02 406 me->gitmodules_oid,
147875fd 407 name.buf);
959b5455
HV
408
409 if (!strcmp(item.buf, "path")) {
147875fd 410 if (!value)
959b5455 411 ret = config_error_nonbool(var);
f73da110 412 else if (!me->overwrite && submodule->path)
73c293bb 413 warn_multiple_config(me->treeish_name, submodule->name,
959b5455 414 "path");
147875fd
SB
415 else {
416 if (submodule->path)
417 cache_remove_path(me->cache, submodule);
418 free((void *) submodule->path);
419 submodule->path = xstrdup(value);
420 cache_put_path(me->cache, submodule);
959b5455 421 }
959b5455 422 } else if (!strcmp(item.buf, "fetchrecursesubmodules")) {
027771fc 423 /* when parsing worktree configurations we can die early */
34caab02 424 int die_on_error = is_null_oid(me->gitmodules_oid);
959b5455 425 if (!me->overwrite &&
147875fd 426 submodule->fetch_recurse != RECURSE_SUBMODULES_NONE)
73c293bb 427 warn_multiple_config(me->treeish_name, submodule->name,
959b5455 428 "fetchrecursesubmodules");
147875fd
SB
429 else
430 submodule->fetch_recurse = parse_fetch_recurse(
431 var, value,
027771fc 432 die_on_error);
959b5455 433 } else if (!strcmp(item.buf, "ignore")) {
147875fd
SB
434 if (!value)
435 ret = config_error_nonbool(var);
f73da110 436 else if (!me->overwrite && submodule->ignore)
73c293bb 437 warn_multiple_config(me->treeish_name, submodule->name,
959b5455 438 "ignore");
147875fd
SB
439 else if (strcmp(value, "untracked") &&
440 strcmp(value, "dirty") &&
441 strcmp(value, "all") &&
442 strcmp(value, "none"))
959b5455 443 warning("Invalid parameter '%s' for config option "
5ea30489 444 "'submodule.%s.ignore'", value, name.buf);
147875fd
SB
445 else {
446 free((void *) submodule->ignore);
447 submodule->ignore = xstrdup(value);
959b5455 448 }
959b5455 449 } else if (!strcmp(item.buf, "url")) {
959b5455
HV
450 if (!value) {
451 ret = config_error_nonbool(var);
f73da110 452 } else if (!me->overwrite && submodule->url) {
73c293bb 453 warn_multiple_config(me->treeish_name, submodule->name,
959b5455 454 "url");
147875fd
SB
455 } else {
456 free((void *) submodule->url);
457 submodule->url = xstrdup(value);
959b5455 458 }
ea2fa5a3
SB
459 } else if (!strcmp(item.buf, "update")) {
460 if (!value)
461 ret = config_error_nonbool(var);
462 else if (!me->overwrite &&
463 submodule->update_strategy.type != SM_UPDATE_UNSPECIFIED)
73c293bb 464 warn_multiple_config(me->treeish_name, submodule->name,
ea2fa5a3
SB
465 "update");
466 else if (parse_submodule_update_strategy(value,
467 &submodule->update_strategy) < 0)
468 die(_("invalid value for %s"), var);
37f52e93
SB
469 } else if (!strcmp(item.buf, "shallow")) {
470 if (!me->overwrite && submodule->recommend_shallow != -1)
73c293bb 471 warn_multiple_config(me->treeish_name, submodule->name,
37f52e93 472 "shallow");
b5944f34 473 else
37f52e93
SB
474 submodule->recommend_shallow =
475 git_config_bool(var, value);
b5944f34
SB
476 } else if (!strcmp(item.buf, "branch")) {
477 if (!me->overwrite && submodule->branch)
73c293bb 478 warn_multiple_config(me->treeish_name, submodule->name,
b5944f34
SB
479 "branch");
480 else {
481 free((void *)submodule->branch);
482 submodule->branch = xstrdup(value);
37f52e93 483 }
959b5455
HV
484 }
485
959b5455
HV
486 strbuf_release(&name);
487 strbuf_release(&item);
488
489 return ret;
490}
491
1b796ace
BW
492static int gitmodule_oid_from_commit(const struct object_id *treeish_name,
493 struct object_id *gitmodules_oid,
494 struct strbuf *rev)
959b5455 495{
959b5455
HV
496 int ret = 0;
497
cd73de47 498 if (is_null_oid(treeish_name)) {
499 oidclr(gitmodules_oid);
959b5455
HV
500 return 1;
501 }
502
cd73de47 503 strbuf_addf(rev, "%s:.gitmodules", oid_to_hex(treeish_name));
504 if (get_oid(rev->buf, gitmodules_oid) >= 0)
959b5455
HV
505 ret = 1;
506
959b5455
HV
507 return ret;
508}
509
510/* This does a lookup of a submodule configuration by name or by path
511 * (key) with on-demand reading of the appropriate .gitmodules from
512 * revisions.
513 */
514static const struct submodule *config_from(struct submodule_cache *cache,
cd73de47 515 const struct object_id *treeish_name, const char *key,
959b5455
HV
516 enum lookup_type lookup_type)
517{
518 struct strbuf rev = STRBUF_INIT;
519 unsigned long config_size;
0918e250 520 char *config = NULL;
cd73de47 521 struct object_id oid;
959b5455
HV
522 enum object_type type;
523 const struct submodule *submodule = NULL;
524 struct parse_config_parameter parameter;
525
526 /*
527 * If any parameter except the cache is a NULL pointer just
528 * return the first submodule. Can be used to check whether
529 * there are any submodules parsed.
530 */
73c293bb 531 if (!treeish_name || !key) {
959b5455
HV
532 struct hashmap_iter iter;
533 struct submodule_entry *entry;
534
01d98e8a 535 entry = hashmap_iter_first(&cache->for_name, &iter);
959b5455
HV
536 if (!entry)
537 return NULL;
538 return entry->config;
539 }
540
cd73de47 541 if (!gitmodule_oid_from_commit(treeish_name, &oid, &rev))
0918e250 542 goto out;
959b5455
HV
543
544 switch (lookup_type) {
545 case lookup_name:
34caab02 546 submodule = cache_lookup_name(cache, &oid, key);
959b5455
HV
547 break;
548 case lookup_path:
34caab02 549 submodule = cache_lookup_path(cache, &oid, key);
959b5455
HV
550 break;
551 }
552 if (submodule)
0918e250 553 goto out;
959b5455 554
b4f5aca4 555 config = read_object_file(&oid, &type, &config_size);
0918e250
HV
556 if (!config || type != OBJ_BLOB)
557 goto out;
959b5455
HV
558
559 /* fill the submodule config into the cache */
560 parameter.cache = cache;
34caab02 561 parameter.treeish_name = treeish_name;
562 parameter.gitmodules_oid = &oid;
959b5455 563 parameter.overwrite = 0;
1b8132d9 564 git_config_from_mem(parse_config, CONFIG_ORIGIN_SUBMODULE_BLOB, rev.buf,
4574f1aa 565 config, config_size, &parameter, NULL);
514dea90 566 strbuf_release(&rev);
959b5455
HV
567 free(config);
568
569 switch (lookup_type) {
570 case lookup_name:
34caab02 571 return cache_lookup_name(cache, &oid, key);
959b5455 572 case lookup_path:
34caab02 573 return cache_lookup_path(cache, &oid, key);
959b5455
HV
574 default:
575 return NULL;
576 }
0918e250
HV
577
578out:
579 strbuf_release(&rev);
580 free(config);
581 return submodule;
959b5455
HV
582}
583
bf12fcdf 584static void submodule_cache_check_init(struct repository *repo)
959b5455 585{
bf12fcdf 586 if (repo->submodule_cache && repo->submodule_cache->initialized)
959b5455
HV
587 return;
588
bf12fcdf
BW
589 if (!repo->submodule_cache)
590 repo->submodule_cache = submodule_cache_alloc();
591
592 submodule_cache_init(repo->submodule_cache);
959b5455
HV
593}
594
db64d112
AO
595/*
596 * Note: This function is private for a reason, the '.gitmodules' file should
597 * not be used as as a mechanism to retrieve arbitrary configuration stored in
598 * the repository.
599 *
600 * Runs the provided config function on the '.gitmodules' file found in the
601 * working directory.
602 */
603static void config_from_gitmodules(config_fn_t fn, struct repository *repo, void *data)
604{
605 if (repo->worktree) {
606 char *file = repo_worktree_path(repo, GITMODULES_FILE);
607 git_config_from_file(fn, file, data);
608 free(file);
609 }
610}
611
1b796ace 612static int gitmodules_cb(const char *var, const char *value, void *data)
851e18c3 613{
1b796ace 614 struct repository *repo = data;
851e18c3 615 struct parse_config_parameter parameter;
bf12fcdf 616
bf12fcdf 617 parameter.cache = repo->submodule_cache;
73c293bb 618 parameter.treeish_name = NULL;
34caab02 619 parameter.gitmodules_oid = &null_oid;
851e18c3
HV
620 parameter.overwrite = 1;
621
851e18c3
HV
622 return parse_config(var, value, &parameter);
623}
624
1b796ace 625void repo_read_gitmodules(struct repository *repo)
bf12fcdf 626{
ff6f1f56
BW
627 submodule_cache_check_init(repo);
628
db64d112
AO
629 if (repo_read_index(repo) < 0)
630 return;
1b796ace 631
db64d112
AO
632 if (!is_gitmodules_unmerged(repo->index))
633 config_from_gitmodules(gitmodules_cb, repo, repo);
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634
635 repo->submodule_cache->gitmodules_read = 1;
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636}
637
638void gitmodules_config_oid(const struct object_id *commit_oid)
639{
640 struct strbuf rev = STRBUF_INIT;
641 struct object_id oid;
642
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643 submodule_cache_check_init(the_repository);
644
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645 if (gitmodule_oid_from_commit(commit_oid, &oid, &rev)) {
646 git_config_from_blob_oid(gitmodules_cb, rev.buf,
647 &oid, the_repository);
648 }
649 strbuf_release(&rev);
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650
651 the_repository->submodule_cache->gitmodules_read = 1;
652}
653
654static void gitmodules_read_check(struct repository *repo)
655{
656 submodule_cache_check_init(repo);
657
658 /* read the repo's .gitmodules file if it hasn't been already */
659 if (!repo->submodule_cache->gitmodules_read)
660 repo_read_gitmodules(repo);
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661}
662
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663const struct submodule *submodule_from_name(struct repository *r,
664 const struct object_id *treeish_name,
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665 const char *name)
666{
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667 gitmodules_read_check(r);
668 return config_from(r->submodule_cache, treeish_name, name, lookup_name);
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669}
670
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671const struct submodule *submodule_from_path(struct repository *r,
672 const struct object_id *treeish_name,
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673 const char *path)
674{
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675 gitmodules_read_check(r);
676 return config_from(r->submodule_cache, treeish_name, path, lookup_path);
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677}
678
f793b895 679void submodule_free(struct repository *r)
bf12fcdf 680{
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681 if (r->submodule_cache)
682 submodule_cache_clear(r->submodule_cache);
959b5455 683}
ad136370 684
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685static int config_print_callback(const char *var, const char *value, void *cb_data)
686{
687 char *wanted_key = cb_data;
688
689 if (!strcmp(wanted_key, var))
690 printf("%s\n", value);
691
692 return 0;
693}
694
695int print_config_from_gitmodules(struct repository *repo, const char *key)
696{
697 int ret;
698 char *store_key;
699
700 ret = git_config_parse_key(key, &store_key, NULL);
701 if (ret < 0)
702 return CONFIG_INVALID_KEY;
703
704 config_from_gitmodules(config_print_callback, repo, store_key);
705
706 free(store_key);
707 return 0;
708}
709
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710struct fetch_config {
711 int *max_children;
712 int *recurse_submodules;
713};
714
715static int gitmodules_fetch_config(const char *var, const char *value, void *cb)
716{
717 struct fetch_config *config = cb;
718 if (!strcmp(var, "submodule.fetchjobs")) {
719 *(config->max_children) = parse_submodule_fetchjobs(var, value);
720 return 0;
721 } else if (!strcmp(var, "fetch.recursesubmodules")) {
722 *(config->recurse_submodules) = parse_fetch_recurse_submodules_arg(var, value);
723 return 0;
724 }
725
726 return 0;
727}
728
729void fetch_config_from_gitmodules(int *max_children, int *recurse_submodules)
730{
731 struct fetch_config config = {
732 .max_children = max_children,
733 .recurse_submodules = recurse_submodules
734 };
9a0fb3e7 735 config_from_gitmodules(gitmodules_fetch_config, the_repository, &config);
71a6953d 736}
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737
738static int gitmodules_update_clone_config(const char *var, const char *value,
739 void *cb)
740{
741 int *max_jobs = cb;
742 if (!strcmp(var, "submodule.fetchjobs"))
743 *max_jobs = parse_submodule_fetchjobs(var, value);
744 return 0;
745}
746
747void update_clone_config_from_gitmodules(int *max_jobs)
748{
9a0fb3e7 749 config_from_gitmodules(gitmodules_update_clone_config, the_repository, &max_jobs);
05744997 750}