]> git.ipfire.org Git - thirdparty/git.git/blame - submodule-config.c
Merge branch 'jk/add-ignore-errors-bit-assignment-fix'
[thirdparty/git.git] / submodule-config.c
CommitLineData
959b5455 1#include "cache.h"
76e9bdc4 2#include "dir.h"
bf12fcdf 3#include "repository.h"
b2141fc1 4#include "config.h"
959b5455
HV
5#include "submodule-config.h"
6#include "submodule.h"
7#include "strbuf.h"
cbd53a21 8#include "object-store.h"
886dc154 9#include "parse-options.h"
959b5455
HV
10
11/*
12 * submodule cache lookup structure
13 * There is one shared set of 'struct submodule' entries which can be
5aea9fe6 14 * looked up by their sha1 blob id of the .gitmodules file and either
959b5455
HV
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 */
19struct submodule_cache {
20 struct hashmap for_path;
21 struct hashmap for_name;
bf12fcdf 22 unsigned initialized:1;
ff6f1f56 23 unsigned gitmodules_read:1;
959b5455
HV
24};
25
26/*
27 * thin wrapper struct needed to insert 'struct submodule' entries to
28 * the hashmap
29 */
30struct submodule_entry {
31 struct hashmap_entry ent;
32 struct submodule *config;
33};
34
35enum lookup_type {
36 lookup_name,
37 lookup_path
38};
39
7663cdc8 40static int config_path_cmp(const void *unused_cmp_data,
152cbdc6
SB
41 const void *entry,
42 const void *entry_or_key,
7663cdc8 43 const void *unused_keydata)
959b5455 44{
152cbdc6
SB
45 const struct submodule_entry *a = entry;
46 const struct submodule_entry *b = entry_or_key;
47
959b5455 48 return strcmp(a->config->path, b->config->path) ||
9001dc2a 49 !oideq(&a->config->gitmodules_oid, &b->config->gitmodules_oid);
959b5455
HV
50}
51
7663cdc8 52static int config_name_cmp(const void *unused_cmp_data,
152cbdc6
SB
53 const void *entry,
54 const void *entry_or_key,
7663cdc8 55 const void *unused_keydata)
959b5455 56{
152cbdc6
SB
57 const struct submodule_entry *a = entry;
58 const struct submodule_entry *b = entry_or_key;
59
959b5455 60 return strcmp(a->config->name, b->config->name) ||
9001dc2a 61 !oideq(&a->config->gitmodules_oid, &b->config->gitmodules_oid);
959b5455
HV
62}
63
bf12fcdf
BW
64static struct submodule_cache *submodule_cache_alloc(void)
65{
66 return xcalloc(1, sizeof(struct submodule_cache));
67}
68
69static void submodule_cache_init(struct submodule_cache *cache)
959b5455 70{
152cbdc6
SB
71 hashmap_init(&cache->for_path, config_path_cmp, NULL, 0);
72 hashmap_init(&cache->for_name, config_name_cmp, NULL, 0);
bf12fcdf 73 cache->initialized = 1;
959b5455
HV
74}
75
76static void free_one_config(struct submodule_entry *entry)
77{
78 free((void *) entry->config->path);
79 free((void *) entry->config->name);
b5944f34 80 free((void *) entry->config->branch);
ea2fa5a3 81 free((void *) entry->config->update_strategy.command);
959b5455
HV
82 free(entry->config);
83}
84
bf12fcdf 85static void submodule_cache_clear(struct submodule_cache *cache)
959b5455
HV
86{
87 struct hashmap_iter iter;
88 struct submodule_entry *entry;
89
bf12fcdf
BW
90 if (!cache->initialized)
91 return;
92
959b5455
HV
93 /*
94 * We iterate over the name hash here to be symmetric with the
95 * allocation of struct submodule entries. Each is allocated by
5aea9fe6 96 * their .gitmodules blob sha1 and submodule name.
959b5455
HV
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);
bf12fcdf 104 cache->initialized = 0;
ff6f1f56 105 cache->gitmodules_read = 0;
bf12fcdf
BW
106}
107
108void submodule_cache_free(struct submodule_cache *cache)
109{
110 submodule_cache_clear(cache);
111 free(cache);
959b5455
HV
112}
113
34caab02 114static unsigned int hash_oid_string(const struct object_id *oid,
115 const char *string)
959b5455 116{
34caab02 117 return memhash(oid->hash, the_hash_algo->rawsz) + strhash(string);
959b5455
HV
118}
119
120static void cache_put_path(struct submodule_cache *cache,
121 struct submodule *submodule)
122{
34caab02 123 unsigned int hash = hash_oid_string(&submodule->gitmodules_oid,
124 submodule->path);
959b5455
HV
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
131static void cache_remove_path(struct submodule_cache *cache,
132 struct submodule *submodule)
133{
34caab02 134 unsigned int hash = hash_oid_string(&submodule->gitmodules_oid,
135 submodule->path);
959b5455
HV
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
144static void cache_add(struct submodule_cache *cache,
145 struct submodule *submodule)
146{
34caab02 147 unsigned int hash = hash_oid_string(&submodule->gitmodules_oid,
148 submodule->name);
959b5455
HV
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
155static const struct submodule *cache_lookup_path(struct submodule_cache *cache,
34caab02 156 const struct object_id *gitmodules_oid, const char *path)
959b5455
HV
157{
158 struct submodule_entry *entry;
34caab02 159 unsigned int hash = hash_oid_string(gitmodules_oid, path);
959b5455
HV
160 struct submodule_entry key;
161 struct submodule key_config;
162
34caab02 163 oidcpy(&key_config.gitmodules_oid, gitmodules_oid);
959b5455
HV
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
175static struct submodule *cache_lookup_name(struct submodule_cache *cache,
34caab02 176 const struct object_id *gitmodules_oid, const char *name)
959b5455
HV
177{
178 struct submodule_entry *entry;
34caab02 179 unsigned int hash = hash_oid_string(gitmodules_oid, name);
959b5455
HV
180 struct submodule_entry key;
181 struct submodule key_config;
182
34caab02 183 oidcpy(&key_config.gitmodules_oid, gitmodules_oid);
959b5455
HV
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
0383bbb9
JK
195int 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 == '\\') {
210in_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
959b5455
HV
220static 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);
0383bbb9
JK
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
959b5455
HV
237 strbuf_addstr(item, key);
238
239 return 1;
240}
241
242static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache,
34caab02 243 const struct object_id *gitmodules_oid, const char *name)
959b5455
HV
244{
245 struct submodule *submodule;
246 struct strbuf name_buf = STRBUF_INIT;
247
34caab02 248 submodule = cache_lookup_name(cache, gitmodules_oid, name);
959b5455
HV
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;
ea2fa5a3
SB
259 submodule->update_strategy.type = SM_UPDATE_UNSPECIFIED;
260 submodule->update_strategy.command = NULL;
959b5455
HV
261 submodule->fetch_recurse = RECURSE_SUBMODULES_NONE;
262 submodule->ignore = NULL;
b5944f34 263 submodule->branch = NULL;
37f52e93 264 submodule->recommend_shallow = -1;
959b5455 265
34caab02 266 oidcpy(&submodule->gitmodules_oid, gitmodules_oid);
959b5455
HV
267
268 cache_add(cache, submodule);
269
270 return submodule;
271}
272
027771fc
HV
273static int parse_fetch_recurse(const char *opt, const char *arg,
274 int die_on_error)
275{
89576613 276 switch (git_parse_maybe_bool(arg)) {
027771fc
HV
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 if (die_on_error)
286 die("bad %s argument: %s", opt, arg);
287 else
288 return RECURSE_SUBMODULES_ERROR;
289 }
290}
291
f20e7c1e
BW
292int parse_submodule_fetchjobs(const char *var, const char *value)
293{
294 int fetchjobs = git_config_int(var, value);
295 if (fetchjobs < 0)
296 die(_("negative values not allowed for submodule.fetchjobs"));
297 return fetchjobs;
298}
299
027771fc
HV
300int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg)
301{
302 return parse_fetch_recurse(opt, arg, 1);
303}
304
886dc154
SB
305int option_fetch_parse_recurse_submodules(const struct option *opt,
306 const char *arg, int unset)
307{
308 int *v;
309
310 if (!opt->value)
311 return -1;
312
313 v = opt->value;
314
315 if (unset) {
316 *v = RECURSE_SUBMODULES_OFF;
317 } else {
318 if (arg)
319 *v = parse_fetch_recurse_submodules_arg(opt->long_name, arg);
320 else
321 *v = RECURSE_SUBMODULES_ON;
322 }
323 return 0;
324}
325
d601fd09
SB
326static int parse_update_recurse(const char *opt, const char *arg,
327 int die_on_error)
328{
bdfcdefd 329 switch (git_parse_maybe_bool(arg)) {
d601fd09
SB
330 case 1:
331 return RECURSE_SUBMODULES_ON;
332 case 0:
333 return RECURSE_SUBMODULES_OFF;
334 default:
335 if (die_on_error)
336 die("bad %s argument: %s", opt, arg);
337 return RECURSE_SUBMODULES_ERROR;
338 }
339}
340
341int parse_update_recurse_submodules_arg(const char *opt, const char *arg)
342{
343 return parse_update_recurse(opt, arg, 1);
344}
345
b33a15b0
MC
346static int parse_push_recurse(const char *opt, const char *arg,
347 int die_on_error)
348{
89576613 349 switch (git_parse_maybe_bool(arg)) {
b33a15b0
MC
350 case 1:
351 /* There's no simple "on" value when pushing */
352 if (die_on_error)
353 die("bad %s argument: %s", opt, arg);
354 else
355 return RECURSE_SUBMODULES_ERROR;
356 case 0:
357 return RECURSE_SUBMODULES_OFF;
358 default:
359 if (!strcmp(arg, "on-demand"))
360 return RECURSE_SUBMODULES_ON_DEMAND;
361 else if (!strcmp(arg, "check"))
362 return RECURSE_SUBMODULES_CHECK;
6c656c3f
BW
363 else if (!strcmp(arg, "only"))
364 return RECURSE_SUBMODULES_ONLY;
b33a15b0
MC
365 else if (die_on_error)
366 die("bad %s argument: %s", opt, arg);
367 else
368 return RECURSE_SUBMODULES_ERROR;
369 }
370}
371
372int parse_push_recurse_submodules_arg(const char *opt, const char *arg)
373{
374 return parse_push_recurse(opt, arg, 1);
375}
376
34caab02 377static void warn_multiple_config(const struct object_id *treeish_name,
959b5455
HV
378 const char *name, const char *option)
379{
380 const char *commit_string = "WORKTREE";
73c293bb 381 if (treeish_name)
34caab02 382 commit_string = oid_to_hex(treeish_name);
959b5455
HV
383 warning("%s:.gitmodules, multiple configurations found for "
384 "'submodule.%s.%s'. Skipping second one!",
385 commit_string, name, option);
386}
387
f6adec4e
JK
388static void warn_command_line_option(const char *var, const char *value)
389{
390 warning(_("ignoring '%s' which may be interpreted as"
391 " a command-line option: %s"), var, value);
392}
393
959b5455
HV
394struct parse_config_parameter {
395 struct submodule_cache *cache;
34caab02 396 const struct object_id *treeish_name;
397 const struct object_id *gitmodules_oid;
959b5455
HV
398 int overwrite;
399};
400
401static int parse_config(const char *var, const char *value, void *data)
402{
403 struct parse_config_parameter *me = data;
404 struct submodule *submodule;
405 struct strbuf name = STRBUF_INIT, item = STRBUF_INIT;
406 int ret = 0;
407
408 /* this also ensures that we only parse submodule entries */
409 if (!name_and_item_from_var(var, &name, &item))
410 return 0;
411
147875fd 412 submodule = lookup_or_create_by_name(me->cache,
34caab02 413 me->gitmodules_oid,
147875fd 414 name.buf);
959b5455
HV
415
416 if (!strcmp(item.buf, "path")) {
147875fd 417 if (!value)
959b5455 418 ret = config_error_nonbool(var);
273c6149
JK
419 else if (looks_like_command_line_option(value))
420 warn_command_line_option(var, value);
f73da110 421 else if (!me->overwrite && submodule->path)
73c293bb 422 warn_multiple_config(me->treeish_name, submodule->name,
959b5455 423 "path");
147875fd
SB
424 else {
425 if (submodule->path)
426 cache_remove_path(me->cache, submodule);
427 free((void *) submodule->path);
428 submodule->path = xstrdup(value);
429 cache_put_path(me->cache, submodule);
959b5455 430 }
959b5455 431 } else if (!strcmp(item.buf, "fetchrecursesubmodules")) {
027771fc 432 /* when parsing worktree configurations we can die early */
34caab02 433 int die_on_error = is_null_oid(me->gitmodules_oid);
959b5455 434 if (!me->overwrite &&
147875fd 435 submodule->fetch_recurse != RECURSE_SUBMODULES_NONE)
73c293bb 436 warn_multiple_config(me->treeish_name, submodule->name,
959b5455 437 "fetchrecursesubmodules");
147875fd
SB
438 else
439 submodule->fetch_recurse = parse_fetch_recurse(
440 var, value,
027771fc 441 die_on_error);
959b5455 442 } else if (!strcmp(item.buf, "ignore")) {
147875fd
SB
443 if (!value)
444 ret = config_error_nonbool(var);
f73da110 445 else if (!me->overwrite && submodule->ignore)
73c293bb 446 warn_multiple_config(me->treeish_name, submodule->name,
959b5455 447 "ignore");
147875fd
SB
448 else if (strcmp(value, "untracked") &&
449 strcmp(value, "dirty") &&
450 strcmp(value, "all") &&
451 strcmp(value, "none"))
959b5455 452 warning("Invalid parameter '%s' for config option "
5ea30489 453 "'submodule.%s.ignore'", value, name.buf);
147875fd
SB
454 else {
455 free((void *) submodule->ignore);
456 submodule->ignore = xstrdup(value);
959b5455 457 }
959b5455 458 } else if (!strcmp(item.buf, "url")) {
959b5455
HV
459 if (!value) {
460 ret = config_error_nonbool(var);
f6adec4e
JK
461 } else if (looks_like_command_line_option(value)) {
462 warn_command_line_option(var, value);
f73da110 463 } else if (!me->overwrite && submodule->url) {
73c293bb 464 warn_multiple_config(me->treeish_name, submodule->name,
959b5455 465 "url");
147875fd
SB
466 } else {
467 free((void *) submodule->url);
468 submodule->url = xstrdup(value);
959b5455 469 }
ea2fa5a3
SB
470 } else if (!strcmp(item.buf, "update")) {
471 if (!value)
472 ret = config_error_nonbool(var);
473 else if (!me->overwrite &&
474 submodule->update_strategy.type != SM_UPDATE_UNSPECIFIED)
73c293bb 475 warn_multiple_config(me->treeish_name, submodule->name,
ea2fa5a3
SB
476 "update");
477 else if (parse_submodule_update_strategy(value,
478 &submodule->update_strategy) < 0)
479 die(_("invalid value for %s"), var);
37f52e93
SB
480 } else if (!strcmp(item.buf, "shallow")) {
481 if (!me->overwrite && submodule->recommend_shallow != -1)
73c293bb 482 warn_multiple_config(me->treeish_name, submodule->name,
37f52e93 483 "shallow");
b5944f34 484 else
37f52e93
SB
485 submodule->recommend_shallow =
486 git_config_bool(var, value);
b5944f34
SB
487 } else if (!strcmp(item.buf, "branch")) {
488 if (!me->overwrite && submodule->branch)
73c293bb 489 warn_multiple_config(me->treeish_name, submodule->name,
b5944f34
SB
490 "branch");
491 else {
492 free((void *)submodule->branch);
493 submodule->branch = xstrdup(value);
37f52e93 494 }
959b5455
HV
495 }
496
959b5455
HV
497 strbuf_release(&name);
498 strbuf_release(&item);
499
500 return ret;
501}
502
1b796ace
BW
503static int gitmodule_oid_from_commit(const struct object_id *treeish_name,
504 struct object_id *gitmodules_oid,
505 struct strbuf *rev)
959b5455 506{
959b5455
HV
507 int ret = 0;
508
cd73de47 509 if (is_null_oid(treeish_name)) {
510 oidclr(gitmodules_oid);
959b5455
HV
511 return 1;
512 }
513
cd73de47 514 strbuf_addf(rev, "%s:.gitmodules", oid_to_hex(treeish_name));
515 if (get_oid(rev->buf, gitmodules_oid) >= 0)
959b5455
HV
516 ret = 1;
517
959b5455
HV
518 return ret;
519}
520
521/* This does a lookup of a submodule configuration by name or by path
522 * (key) with on-demand reading of the appropriate .gitmodules from
523 * revisions.
524 */
525static const struct submodule *config_from(struct submodule_cache *cache,
cd73de47 526 const struct object_id *treeish_name, const char *key,
959b5455
HV
527 enum lookup_type lookup_type)
528{
529 struct strbuf rev = STRBUF_INIT;
530 unsigned long config_size;
0918e250 531 char *config = NULL;
cd73de47 532 struct object_id oid;
959b5455
HV
533 enum object_type type;
534 const struct submodule *submodule = NULL;
535 struct parse_config_parameter parameter;
536
537 /*
538 * If any parameter except the cache is a NULL pointer just
539 * return the first submodule. Can be used to check whether
540 * there are any submodules parsed.
541 */
73c293bb 542 if (!treeish_name || !key) {
959b5455
HV
543 struct hashmap_iter iter;
544 struct submodule_entry *entry;
545
01d98e8a 546 entry = hashmap_iter_first(&cache->for_name, &iter);
959b5455
HV
547 if (!entry)
548 return NULL;
549 return entry->config;
550 }
551
cd73de47 552 if (!gitmodule_oid_from_commit(treeish_name, &oid, &rev))
0918e250 553 goto out;
959b5455
HV
554
555 switch (lookup_type) {
556 case lookup_name:
34caab02 557 submodule = cache_lookup_name(cache, &oid, key);
959b5455
HV
558 break;
559 case lookup_path:
34caab02 560 submodule = cache_lookup_path(cache, &oid, key);
959b5455
HV
561 break;
562 }
563 if (submodule)
0918e250 564 goto out;
959b5455 565
b4f5aca4 566 config = read_object_file(&oid, &type, &config_size);
0918e250
HV
567 if (!config || type != OBJ_BLOB)
568 goto out;
959b5455
HV
569
570 /* fill the submodule config into the cache */
571 parameter.cache = cache;
34caab02 572 parameter.treeish_name = treeish_name;
573 parameter.gitmodules_oid = &oid;
959b5455 574 parameter.overwrite = 0;
1b8132d9 575 git_config_from_mem(parse_config, CONFIG_ORIGIN_SUBMODULE_BLOB, rev.buf,
4574f1aa 576 config, config_size, &parameter, NULL);
514dea90 577 strbuf_release(&rev);
959b5455
HV
578 free(config);
579
580 switch (lookup_type) {
581 case lookup_name:
34caab02 582 return cache_lookup_name(cache, &oid, key);
959b5455 583 case lookup_path:
34caab02 584 return cache_lookup_path(cache, &oid, key);
959b5455
HV
585 default:
586 return NULL;
587 }
0918e250
HV
588
589out:
590 strbuf_release(&rev);
591 free(config);
592 return submodule;
959b5455
HV
593}
594
bf12fcdf 595static void submodule_cache_check_init(struct repository *repo)
959b5455 596{
bf12fcdf 597 if (repo->submodule_cache && repo->submodule_cache->initialized)
959b5455
HV
598 return;
599
bf12fcdf
BW
600 if (!repo->submodule_cache)
601 repo->submodule_cache = submodule_cache_alloc();
602
603 submodule_cache_init(repo->submodule_cache);
959b5455
HV
604}
605
db64d112
AO
606/*
607 * Note: This function is private for a reason, the '.gitmodules' file should
608 * not be used as as a mechanism to retrieve arbitrary configuration stored in
609 * the repository.
610 *
611 * Runs the provided config function on the '.gitmodules' file found in the
612 * working directory.
613 */
614static void config_from_gitmodules(config_fn_t fn, struct repository *repo, void *data)
615{
616 if (repo->worktree) {
76e9bdc4
AO
617 struct git_config_source config_source = { 0 };
618 const struct config_options opts = { 0 };
619 struct object_id oid;
620 char *file;
621
622 file = repo_worktree_path(repo, GITMODULES_FILE);
623 if (file_exists(file)) {
624 config_source.file = file;
625 } else if (repo->submodule_prefix) {
626 /*
627 * When get_oid and config_with_options, used below,
628 * become able to work on a specific repository, this
629 * warning branch can be removed.
630 */
631 warning("nested submodules without %s in the working tree are not supported yet",
632 GITMODULES_FILE);
633 goto out;
634 } else if (get_oid(GITMODULES_INDEX, &oid) >= 0) {
635 config_source.blob = GITMODULES_INDEX;
636 } else if (get_oid(GITMODULES_HEAD, &oid) >= 0) {
637 config_source.blob = GITMODULES_HEAD;
638 } else {
639 goto out;
640 }
641
642 config_with_options(fn, data, &config_source, &opts);
643
644out:
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645 free(file);
646 }
647}
648
1b796ace 649static int gitmodules_cb(const char *var, const char *value, void *data)
851e18c3 650{
1b796ace 651 struct repository *repo = data;
851e18c3 652 struct parse_config_parameter parameter;
bf12fcdf 653
bf12fcdf 654 parameter.cache = repo->submodule_cache;
73c293bb 655 parameter.treeish_name = NULL;
34caab02 656 parameter.gitmodules_oid = &null_oid;
851e18c3
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657 parameter.overwrite = 1;
658
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659 return parse_config(var, value, &parameter);
660}
661
1b796ace 662void repo_read_gitmodules(struct repository *repo)
bf12fcdf 663{
ff6f1f56
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664 submodule_cache_check_init(repo);
665
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666 if (repo_read_index(repo) < 0)
667 return;
1b796ace 668
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669 if (!is_gitmodules_unmerged(repo->index))
670 config_from_gitmodules(gitmodules_cb, repo, repo);
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671
672 repo->submodule_cache->gitmodules_read = 1;
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673}
674
675void gitmodules_config_oid(const struct object_id *commit_oid)
676{
677 struct strbuf rev = STRBUF_INIT;
678 struct object_id oid;
679
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680 submodule_cache_check_init(the_repository);
681
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682 if (gitmodule_oid_from_commit(commit_oid, &oid, &rev)) {
683 git_config_from_blob_oid(gitmodules_cb, rev.buf,
684 &oid, the_repository);
685 }
686 strbuf_release(&rev);
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687
688 the_repository->submodule_cache->gitmodules_read = 1;
689}
690
691static void gitmodules_read_check(struct repository *repo)
692{
693 submodule_cache_check_init(repo);
694
695 /* read the repo's .gitmodules file if it hasn't been already */
696 if (!repo->submodule_cache->gitmodules_read)
697 repo_read_gitmodules(repo);
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698}
699
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700const struct submodule *submodule_from_name(struct repository *r,
701 const struct object_id *treeish_name,
959b5455
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702 const char *name)
703{
3b8fb393
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704 gitmodules_read_check(r);
705 return config_from(r->submodule_cache, treeish_name, name, lookup_name);
959b5455
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706}
707
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708const struct submodule *submodule_from_path(struct repository *r,
709 const struct object_id *treeish_name,
959b5455
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710 const char *path)
711{
3b8fb393
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712 gitmodules_read_check(r);
713 return config_from(r->submodule_cache, treeish_name, path, lookup_path);
bf12fcdf
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714}
715
f793b895 716void submodule_free(struct repository *r)
bf12fcdf 717{
f793b895
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718 if (r->submodule_cache)
719 submodule_cache_clear(r->submodule_cache);
959b5455 720}
ad136370 721
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722static int config_print_callback(const char *var, const char *value, void *cb_data)
723{
724 char *wanted_key = cb_data;
725
726 if (!strcmp(wanted_key, var))
727 printf("%s\n", value);
728
729 return 0;
730}
731
732int print_config_from_gitmodules(struct repository *repo, const char *key)
733{
734 int ret;
735 char *store_key;
736
737 ret = git_config_parse_key(key, &store_key, NULL);
738 if (ret < 0)
739 return CONFIG_INVALID_KEY;
740
741 config_from_gitmodules(config_print_callback, repo, store_key);
742
743 free(store_key);
744 return 0;
745}
746
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AO
747int config_set_in_gitmodules_file_gently(const char *key, const char *value)
748{
749 int ret;
750
751 ret = git_config_set_in_file_gently(GITMODULES_FILE, key, value);
752 if (ret < 0)
753 /* Maybe the user already did that, don't error out here */
754 warning(_("Could not update .gitmodules entry %s"), key);
755
756 return ret;
757}
758
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759struct fetch_config {
760 int *max_children;
761 int *recurse_submodules;
762};
763
764static int gitmodules_fetch_config(const char *var, const char *value, void *cb)
765{
766 struct fetch_config *config = cb;
767 if (!strcmp(var, "submodule.fetchjobs")) {
768 *(config->max_children) = parse_submodule_fetchjobs(var, value);
769 return 0;
770 } else if (!strcmp(var, "fetch.recursesubmodules")) {
771 *(config->recurse_submodules) = parse_fetch_recurse_submodules_arg(var, value);
772 return 0;
773 }
774
775 return 0;
776}
777
778void fetch_config_from_gitmodules(int *max_children, int *recurse_submodules)
779{
780 struct fetch_config config = {
781 .max_children = max_children,
782 .recurse_submodules = recurse_submodules
783 };
9a0fb3e7 784 config_from_gitmodules(gitmodules_fetch_config, the_repository, &config);
71a6953d 785}
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786
787static int gitmodules_update_clone_config(const char *var, const char *value,
788 void *cb)
789{
790 int *max_jobs = cb;
791 if (!strcmp(var, "submodule.fetchjobs"))
792 *max_jobs = parse_submodule_fetchjobs(var, value);
793 return 0;
794}
795
796void update_clone_config_from_gitmodules(int *max_jobs)
797{
9a0fb3e7 798 config_from_gitmodules(gitmodules_update_clone_config, the_repository, &max_jobs);
05744997 799}