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Commit | Line | Data |
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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" | |
886dc154 | 7 | #include "parse-options.h" |
959b5455 HV |
8 | |
9 | /* | |
10 | * submodule cache lookup structure | |
11 | * There is one shared set of 'struct submodule' entries which can be | |
12 | * looked up by their sha1 blob id of the .gitmodule file and either | |
13 | * using path or name as key. | |
14 | * for_path stores submodule entries with path as key | |
15 | * for_name stores submodule entries with name as key | |
16 | */ | |
17 | struct submodule_cache { | |
18 | struct hashmap for_path; | |
19 | struct hashmap for_name; | |
bf12fcdf | 20 | unsigned initialized:1; |
ff6f1f56 | 21 | unsigned gitmodules_read:1; |
959b5455 HV |
22 | }; |
23 | ||
24 | /* | |
25 | * thin wrapper struct needed to insert 'struct submodule' entries to | |
26 | * the hashmap | |
27 | */ | |
28 | struct submodule_entry { | |
29 | struct hashmap_entry ent; | |
30 | struct submodule *config; | |
31 | }; | |
32 | ||
33 | enum lookup_type { | |
34 | lookup_name, | |
35 | lookup_path | |
36 | }; | |
37 | ||
7663cdc8 | 38 | static int config_path_cmp(const void *unused_cmp_data, |
152cbdc6 SB |
39 | const void *entry, |
40 | const void *entry_or_key, | |
7663cdc8 | 41 | const void *unused_keydata) |
959b5455 | 42 | { |
152cbdc6 SB |
43 | const struct submodule_entry *a = entry; |
44 | const struct submodule_entry *b = entry_or_key; | |
45 | ||
959b5455 HV |
46 | return strcmp(a->config->path, b->config->path) || |
47 | hashcmp(a->config->gitmodules_sha1, b->config->gitmodules_sha1); | |
48 | } | |
49 | ||
7663cdc8 | 50 | static int config_name_cmp(const void *unused_cmp_data, |
152cbdc6 SB |
51 | const void *entry, |
52 | const void *entry_or_key, | |
7663cdc8 | 53 | const void *unused_keydata) |
959b5455 | 54 | { |
152cbdc6 SB |
55 | const struct submodule_entry *a = entry; |
56 | const struct submodule_entry *b = entry_or_key; | |
57 | ||
959b5455 HV |
58 | return strcmp(a->config->name, b->config->name) || |
59 | hashcmp(a->config->gitmodules_sha1, b->config->gitmodules_sha1); | |
60 | } | |
61 | ||
bf12fcdf BW |
62 | static struct submodule_cache *submodule_cache_alloc(void) |
63 | { | |
64 | return xcalloc(1, sizeof(struct submodule_cache)); | |
65 | } | |
66 | ||
67 | static void submodule_cache_init(struct submodule_cache *cache) | |
959b5455 | 68 | { |
152cbdc6 SB |
69 | hashmap_init(&cache->for_path, config_path_cmp, NULL, 0); |
70 | hashmap_init(&cache->for_name, config_name_cmp, NULL, 0); | |
bf12fcdf | 71 | cache->initialized = 1; |
959b5455 HV |
72 | } |
73 | ||
74 | static void free_one_config(struct submodule_entry *entry) | |
75 | { | |
76 | free((void *) entry->config->path); | |
77 | free((void *) entry->config->name); | |
b5944f34 | 78 | free((void *) entry->config->branch); |
ea2fa5a3 | 79 | free((void *) entry->config->update_strategy.command); |
959b5455 HV |
80 | free(entry->config); |
81 | } | |
82 | ||
bf12fcdf | 83 | static void submodule_cache_clear(struct submodule_cache *cache) |
959b5455 HV |
84 | { |
85 | struct hashmap_iter iter; | |
86 | struct submodule_entry *entry; | |
87 | ||
bf12fcdf BW |
88 | if (!cache->initialized) |
89 | return; | |
90 | ||
959b5455 HV |
91 | /* |
92 | * We iterate over the name hash here to be symmetric with the | |
93 | * allocation of struct submodule entries. Each is allocated by | |
94 | * their .gitmodule blob sha1 and submodule name. | |
95 | */ | |
96 | hashmap_iter_init(&cache->for_name, &iter); | |
97 | while ((entry = hashmap_iter_next(&iter))) | |
98 | free_one_config(entry); | |
99 | ||
100 | hashmap_free(&cache->for_path, 1); | |
101 | hashmap_free(&cache->for_name, 1); | |
bf12fcdf | 102 | cache->initialized = 0; |
ff6f1f56 | 103 | cache->gitmodules_read = 0; |
bf12fcdf BW |
104 | } |
105 | ||
106 | void submodule_cache_free(struct submodule_cache *cache) | |
107 | { | |
108 | submodule_cache_clear(cache); | |
109 | free(cache); | |
959b5455 HV |
110 | } |
111 | ||
112 | static unsigned int hash_sha1_string(const unsigned char *sha1, | |
113 | const char *string) | |
114 | { | |
115 | return memhash(sha1, 20) + strhash(string); | |
116 | } | |
117 | ||
118 | static void cache_put_path(struct submodule_cache *cache, | |
119 | struct submodule *submodule) | |
120 | { | |
121 | unsigned int hash = hash_sha1_string(submodule->gitmodules_sha1, | |
122 | submodule->path); | |
123 | struct submodule_entry *e = xmalloc(sizeof(*e)); | |
124 | hashmap_entry_init(e, hash); | |
125 | e->config = submodule; | |
126 | hashmap_put(&cache->for_path, e); | |
127 | } | |
128 | ||
129 | static void cache_remove_path(struct submodule_cache *cache, | |
130 | struct submodule *submodule) | |
131 | { | |
132 | unsigned int hash = hash_sha1_string(submodule->gitmodules_sha1, | |
133 | submodule->path); | |
134 | struct submodule_entry e; | |
135 | struct submodule_entry *removed; | |
136 | hashmap_entry_init(&e, hash); | |
137 | e.config = submodule; | |
138 | removed = hashmap_remove(&cache->for_path, &e, NULL); | |
139 | free(removed); | |
140 | } | |
141 | ||
142 | static void cache_add(struct submodule_cache *cache, | |
143 | struct submodule *submodule) | |
144 | { | |
145 | unsigned int hash = hash_sha1_string(submodule->gitmodules_sha1, | |
146 | submodule->name); | |
147 | struct submodule_entry *e = xmalloc(sizeof(*e)); | |
148 | hashmap_entry_init(e, hash); | |
149 | e->config = submodule; | |
150 | hashmap_add(&cache->for_name, e); | |
151 | } | |
152 | ||
153 | static const struct submodule *cache_lookup_path(struct submodule_cache *cache, | |
154 | const unsigned char *gitmodules_sha1, const char *path) | |
155 | { | |
156 | struct submodule_entry *entry; | |
157 | unsigned int hash = hash_sha1_string(gitmodules_sha1, path); | |
158 | struct submodule_entry key; | |
159 | struct submodule key_config; | |
160 | ||
161 | hashcpy(key_config.gitmodules_sha1, gitmodules_sha1); | |
162 | key_config.path = path; | |
163 | ||
164 | hashmap_entry_init(&key, hash); | |
165 | key.config = &key_config; | |
166 | ||
167 | entry = hashmap_get(&cache->for_path, &key, NULL); | |
168 | if (entry) | |
169 | return entry->config; | |
170 | return NULL; | |
171 | } | |
172 | ||
173 | static struct submodule *cache_lookup_name(struct submodule_cache *cache, | |
174 | const unsigned char *gitmodules_sha1, const char *name) | |
175 | { | |
176 | struct submodule_entry *entry; | |
177 | unsigned int hash = hash_sha1_string(gitmodules_sha1, name); | |
178 | struct submodule_entry key; | |
179 | struct submodule key_config; | |
180 | ||
181 | hashcpy(key_config.gitmodules_sha1, gitmodules_sha1); | |
182 | key_config.name = name; | |
183 | ||
184 | hashmap_entry_init(&key, hash); | |
185 | key.config = &key_config; | |
186 | ||
187 | entry = hashmap_get(&cache->for_name, &key, NULL); | |
188 | if (entry) | |
189 | return entry->config; | |
190 | return NULL; | |
191 | } | |
192 | ||
193 | static int name_and_item_from_var(const char *var, struct strbuf *name, | |
194 | struct strbuf *item) | |
195 | { | |
196 | const char *subsection, *key; | |
197 | int subsection_len, parse; | |
198 | parse = parse_config_key(var, "submodule", &subsection, | |
199 | &subsection_len, &key); | |
200 | if (parse < 0 || !subsection) | |
201 | return 0; | |
202 | ||
203 | strbuf_add(name, subsection, subsection_len); | |
204 | strbuf_addstr(item, key); | |
205 | ||
206 | return 1; | |
207 | } | |
208 | ||
209 | static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache, | |
210 | const unsigned char *gitmodules_sha1, const char *name) | |
211 | { | |
212 | struct submodule *submodule; | |
213 | struct strbuf name_buf = STRBUF_INIT; | |
214 | ||
215 | submodule = cache_lookup_name(cache, gitmodules_sha1, name); | |
216 | if (submodule) | |
217 | return submodule; | |
218 | ||
219 | submodule = xmalloc(sizeof(*submodule)); | |
220 | ||
221 | strbuf_addstr(&name_buf, name); | |
222 | submodule->name = strbuf_detach(&name_buf, NULL); | |
223 | ||
224 | submodule->path = NULL; | |
225 | submodule->url = NULL; | |
ea2fa5a3 SB |
226 | submodule->update_strategy.type = SM_UPDATE_UNSPECIFIED; |
227 | submodule->update_strategy.command = NULL; | |
959b5455 HV |
228 | submodule->fetch_recurse = RECURSE_SUBMODULES_NONE; |
229 | submodule->ignore = NULL; | |
b5944f34 | 230 | submodule->branch = NULL; |
37f52e93 | 231 | submodule->recommend_shallow = -1; |
959b5455 HV |
232 | |
233 | hashcpy(submodule->gitmodules_sha1, gitmodules_sha1); | |
234 | ||
235 | cache_add(cache, submodule); | |
236 | ||
237 | return submodule; | |
238 | } | |
239 | ||
027771fc HV |
240 | static int parse_fetch_recurse(const char *opt, const char *arg, |
241 | int die_on_error) | |
242 | { | |
89576613 | 243 | switch (git_parse_maybe_bool(arg)) { |
027771fc HV |
244 | case 1: |
245 | return RECURSE_SUBMODULES_ON; | |
246 | case 0: | |
247 | return RECURSE_SUBMODULES_OFF; | |
248 | default: | |
249 | if (!strcmp(arg, "on-demand")) | |
250 | return RECURSE_SUBMODULES_ON_DEMAND; | |
251 | ||
252 | if (die_on_error) | |
253 | die("bad %s argument: %s", opt, arg); | |
254 | else | |
255 | return RECURSE_SUBMODULES_ERROR; | |
256 | } | |
257 | } | |
258 | ||
f20e7c1e BW |
259 | int parse_submodule_fetchjobs(const char *var, const char *value) |
260 | { | |
261 | int fetchjobs = git_config_int(var, value); | |
262 | if (fetchjobs < 0) | |
263 | die(_("negative values not allowed for submodule.fetchjobs")); | |
264 | return fetchjobs; | |
265 | } | |
266 | ||
027771fc HV |
267 | int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg) |
268 | { | |
269 | return parse_fetch_recurse(opt, arg, 1); | |
270 | } | |
271 | ||
886dc154 SB |
272 | int option_fetch_parse_recurse_submodules(const struct option *opt, |
273 | const char *arg, int unset) | |
274 | { | |
275 | int *v; | |
276 | ||
277 | if (!opt->value) | |
278 | return -1; | |
279 | ||
280 | v = opt->value; | |
281 | ||
282 | if (unset) { | |
283 | *v = RECURSE_SUBMODULES_OFF; | |
284 | } else { | |
285 | if (arg) | |
286 | *v = parse_fetch_recurse_submodules_arg(opt->long_name, arg); | |
287 | else | |
288 | *v = RECURSE_SUBMODULES_ON; | |
289 | } | |
290 | return 0; | |
291 | } | |
292 | ||
d601fd09 SB |
293 | static int parse_update_recurse(const char *opt, const char *arg, |
294 | int die_on_error) | |
295 | { | |
bdfcdefd | 296 | switch (git_parse_maybe_bool(arg)) { |
d601fd09 SB |
297 | case 1: |
298 | return RECURSE_SUBMODULES_ON; | |
299 | case 0: | |
300 | return RECURSE_SUBMODULES_OFF; | |
301 | default: | |
302 | if (die_on_error) | |
303 | die("bad %s argument: %s", opt, arg); | |
304 | return RECURSE_SUBMODULES_ERROR; | |
305 | } | |
306 | } | |
307 | ||
308 | int parse_update_recurse_submodules_arg(const char *opt, const char *arg) | |
309 | { | |
310 | return parse_update_recurse(opt, arg, 1); | |
311 | } | |
312 | ||
b33a15b0 MC |
313 | static int parse_push_recurse(const char *opt, const char *arg, |
314 | int die_on_error) | |
315 | { | |
89576613 | 316 | switch (git_parse_maybe_bool(arg)) { |
b33a15b0 MC |
317 | case 1: |
318 | /* There's no simple "on" value when pushing */ | |
319 | if (die_on_error) | |
320 | die("bad %s argument: %s", opt, arg); | |
321 | else | |
322 | return RECURSE_SUBMODULES_ERROR; | |
323 | case 0: | |
324 | return RECURSE_SUBMODULES_OFF; | |
325 | default: | |
326 | if (!strcmp(arg, "on-demand")) | |
327 | return RECURSE_SUBMODULES_ON_DEMAND; | |
328 | else if (!strcmp(arg, "check")) | |
329 | return RECURSE_SUBMODULES_CHECK; | |
6c656c3f BW |
330 | else if (!strcmp(arg, "only")) |
331 | return RECURSE_SUBMODULES_ONLY; | |
b33a15b0 MC |
332 | else if (die_on_error) |
333 | die("bad %s argument: %s", opt, arg); | |
334 | else | |
335 | return RECURSE_SUBMODULES_ERROR; | |
336 | } | |
337 | } | |
338 | ||
339 | int parse_push_recurse_submodules_arg(const char *opt, const char *arg) | |
340 | { | |
341 | return parse_push_recurse(opt, arg, 1); | |
342 | } | |
343 | ||
73c293bb | 344 | static void warn_multiple_config(const unsigned char *treeish_name, |
959b5455 HV |
345 | const char *name, const char *option) |
346 | { | |
347 | const char *commit_string = "WORKTREE"; | |
73c293bb SB |
348 | if (treeish_name) |
349 | commit_string = sha1_to_hex(treeish_name); | |
959b5455 HV |
350 | warning("%s:.gitmodules, multiple configurations found for " |
351 | "'submodule.%s.%s'. Skipping second one!", | |
352 | commit_string, name, option); | |
353 | } | |
354 | ||
355 | struct parse_config_parameter { | |
356 | struct submodule_cache *cache; | |
73c293bb | 357 | const unsigned char *treeish_name; |
959b5455 HV |
358 | const unsigned char *gitmodules_sha1; |
359 | int overwrite; | |
360 | }; | |
361 | ||
362 | static int parse_config(const char *var, const char *value, void *data) | |
363 | { | |
364 | struct parse_config_parameter *me = data; | |
365 | struct submodule *submodule; | |
366 | struct strbuf name = STRBUF_INIT, item = STRBUF_INIT; | |
367 | int ret = 0; | |
368 | ||
369 | /* this also ensures that we only parse submodule entries */ | |
370 | if (!name_and_item_from_var(var, &name, &item)) | |
371 | return 0; | |
372 | ||
147875fd SB |
373 | submodule = lookup_or_create_by_name(me->cache, |
374 | me->gitmodules_sha1, | |
375 | name.buf); | |
959b5455 HV |
376 | |
377 | if (!strcmp(item.buf, "path")) { | |
147875fd | 378 | if (!value) |
959b5455 | 379 | ret = config_error_nonbool(var); |
f73da110 | 380 | else if (!me->overwrite && submodule->path) |
73c293bb | 381 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 382 | "path"); |
147875fd SB |
383 | else { |
384 | if (submodule->path) | |
385 | cache_remove_path(me->cache, submodule); | |
386 | free((void *) submodule->path); | |
387 | submodule->path = xstrdup(value); | |
388 | cache_put_path(me->cache, submodule); | |
959b5455 | 389 | } |
959b5455 | 390 | } else if (!strcmp(item.buf, "fetchrecursesubmodules")) { |
027771fc HV |
391 | /* when parsing worktree configurations we can die early */ |
392 | int die_on_error = is_null_sha1(me->gitmodules_sha1); | |
959b5455 | 393 | if (!me->overwrite && |
147875fd | 394 | submodule->fetch_recurse != RECURSE_SUBMODULES_NONE) |
73c293bb | 395 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 396 | "fetchrecursesubmodules"); |
147875fd SB |
397 | else |
398 | submodule->fetch_recurse = parse_fetch_recurse( | |
399 | var, value, | |
027771fc | 400 | die_on_error); |
959b5455 | 401 | } else if (!strcmp(item.buf, "ignore")) { |
147875fd SB |
402 | if (!value) |
403 | ret = config_error_nonbool(var); | |
f73da110 | 404 | else if (!me->overwrite && submodule->ignore) |
73c293bb | 405 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 406 | "ignore"); |
147875fd SB |
407 | else if (strcmp(value, "untracked") && |
408 | strcmp(value, "dirty") && | |
409 | strcmp(value, "all") && | |
410 | strcmp(value, "none")) | |
959b5455 | 411 | warning("Invalid parameter '%s' for config option " |
5ea30489 | 412 | "'submodule.%s.ignore'", value, name.buf); |
147875fd SB |
413 | else { |
414 | free((void *) submodule->ignore); | |
415 | submodule->ignore = xstrdup(value); | |
959b5455 | 416 | } |
959b5455 | 417 | } else if (!strcmp(item.buf, "url")) { |
959b5455 HV |
418 | if (!value) { |
419 | ret = config_error_nonbool(var); | |
f73da110 | 420 | } else if (!me->overwrite && submodule->url) { |
73c293bb | 421 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 422 | "url"); |
147875fd SB |
423 | } else { |
424 | free((void *) submodule->url); | |
425 | submodule->url = xstrdup(value); | |
959b5455 | 426 | } |
ea2fa5a3 SB |
427 | } else if (!strcmp(item.buf, "update")) { |
428 | if (!value) | |
429 | ret = config_error_nonbool(var); | |
430 | else if (!me->overwrite && | |
431 | submodule->update_strategy.type != SM_UPDATE_UNSPECIFIED) | |
73c293bb | 432 | warn_multiple_config(me->treeish_name, submodule->name, |
ea2fa5a3 SB |
433 | "update"); |
434 | else if (parse_submodule_update_strategy(value, | |
435 | &submodule->update_strategy) < 0) | |
436 | die(_("invalid value for %s"), var); | |
37f52e93 SB |
437 | } else if (!strcmp(item.buf, "shallow")) { |
438 | if (!me->overwrite && submodule->recommend_shallow != -1) | |
73c293bb | 439 | warn_multiple_config(me->treeish_name, submodule->name, |
37f52e93 | 440 | "shallow"); |
b5944f34 | 441 | else |
37f52e93 SB |
442 | submodule->recommend_shallow = |
443 | git_config_bool(var, value); | |
b5944f34 SB |
444 | } else if (!strcmp(item.buf, "branch")) { |
445 | if (!me->overwrite && submodule->branch) | |
73c293bb | 446 | warn_multiple_config(me->treeish_name, submodule->name, |
b5944f34 SB |
447 | "branch"); |
448 | else { | |
449 | free((void *)submodule->branch); | |
450 | submodule->branch = xstrdup(value); | |
37f52e93 | 451 | } |
959b5455 HV |
452 | } |
453 | ||
959b5455 HV |
454 | strbuf_release(&name); |
455 | strbuf_release(&item); | |
456 | ||
457 | return ret; | |
458 | } | |
459 | ||
1b796ace BW |
460 | static int gitmodule_oid_from_commit(const struct object_id *treeish_name, |
461 | struct object_id *gitmodules_oid, | |
462 | struct strbuf *rev) | |
959b5455 | 463 | { |
959b5455 HV |
464 | int ret = 0; |
465 | ||
cd73de47 | 466 | if (is_null_oid(treeish_name)) { |
467 | oidclr(gitmodules_oid); | |
959b5455 HV |
468 | return 1; |
469 | } | |
470 | ||
cd73de47 | 471 | strbuf_addf(rev, "%s:.gitmodules", oid_to_hex(treeish_name)); |
472 | if (get_oid(rev->buf, gitmodules_oid) >= 0) | |
959b5455 HV |
473 | ret = 1; |
474 | ||
959b5455 HV |
475 | return ret; |
476 | } | |
477 | ||
478 | /* This does a lookup of a submodule configuration by name or by path | |
479 | * (key) with on-demand reading of the appropriate .gitmodules from | |
480 | * revisions. | |
481 | */ | |
482 | static const struct submodule *config_from(struct submodule_cache *cache, | |
cd73de47 | 483 | const struct object_id *treeish_name, const char *key, |
959b5455 HV |
484 | enum lookup_type lookup_type) |
485 | { | |
486 | struct strbuf rev = STRBUF_INIT; | |
487 | unsigned long config_size; | |
0918e250 | 488 | char *config = NULL; |
cd73de47 | 489 | struct object_id oid; |
959b5455 HV |
490 | enum object_type type; |
491 | const struct submodule *submodule = NULL; | |
492 | struct parse_config_parameter parameter; | |
493 | ||
494 | /* | |
495 | * If any parameter except the cache is a NULL pointer just | |
496 | * return the first submodule. Can be used to check whether | |
497 | * there are any submodules parsed. | |
498 | */ | |
73c293bb | 499 | if (!treeish_name || !key) { |
959b5455 HV |
500 | struct hashmap_iter iter; |
501 | struct submodule_entry *entry; | |
502 | ||
01d98e8a | 503 | entry = hashmap_iter_first(&cache->for_name, &iter); |
959b5455 HV |
504 | if (!entry) |
505 | return NULL; | |
506 | return entry->config; | |
507 | } | |
508 | ||
cd73de47 | 509 | if (!gitmodule_oid_from_commit(treeish_name, &oid, &rev)) |
0918e250 | 510 | goto out; |
959b5455 HV |
511 | |
512 | switch (lookup_type) { | |
513 | case lookup_name: | |
cd73de47 | 514 | submodule = cache_lookup_name(cache, oid.hash, key); |
959b5455 HV |
515 | break; |
516 | case lookup_path: | |
cd73de47 | 517 | submodule = cache_lookup_path(cache, oid.hash, key); |
959b5455 HV |
518 | break; |
519 | } | |
520 | if (submodule) | |
0918e250 | 521 | goto out; |
959b5455 | 522 | |
cd73de47 | 523 | config = read_sha1_file(oid.hash, &type, &config_size); |
0918e250 HV |
524 | if (!config || type != OBJ_BLOB) |
525 | goto out; | |
959b5455 HV |
526 | |
527 | /* fill the submodule config into the cache */ | |
528 | parameter.cache = cache; | |
cd73de47 | 529 | parameter.treeish_name = treeish_name->hash; |
530 | parameter.gitmodules_sha1 = oid.hash; | |
959b5455 | 531 | parameter.overwrite = 0; |
1b8132d9 | 532 | git_config_from_mem(parse_config, CONFIG_ORIGIN_SUBMODULE_BLOB, rev.buf, |
473166b9 | 533 | config, config_size, ¶meter); |
514dea90 | 534 | strbuf_release(&rev); |
959b5455 HV |
535 | free(config); |
536 | ||
537 | switch (lookup_type) { | |
538 | case lookup_name: | |
cd73de47 | 539 | return cache_lookup_name(cache, oid.hash, key); |
959b5455 | 540 | case lookup_path: |
cd73de47 | 541 | return cache_lookup_path(cache, oid.hash, key); |
959b5455 HV |
542 | default: |
543 | return NULL; | |
544 | } | |
0918e250 HV |
545 | |
546 | out: | |
547 | strbuf_release(&rev); | |
548 | free(config); | |
549 | return submodule; | |
959b5455 HV |
550 | } |
551 | ||
bf12fcdf | 552 | static void submodule_cache_check_init(struct repository *repo) |
959b5455 | 553 | { |
bf12fcdf | 554 | if (repo->submodule_cache && repo->submodule_cache->initialized) |
959b5455 HV |
555 | return; |
556 | ||
bf12fcdf BW |
557 | if (!repo->submodule_cache) |
558 | repo->submodule_cache = submodule_cache_alloc(); | |
559 | ||
560 | submodule_cache_init(repo->submodule_cache); | |
959b5455 HV |
561 | } |
562 | ||
1b796ace | 563 | static int gitmodules_cb(const char *var, const char *value, void *data) |
851e18c3 | 564 | { |
1b796ace | 565 | struct repository *repo = data; |
851e18c3 | 566 | struct parse_config_parameter parameter; |
bf12fcdf | 567 | |
bf12fcdf | 568 | parameter.cache = repo->submodule_cache; |
73c293bb | 569 | parameter.treeish_name = NULL; |
851e18c3 HV |
570 | parameter.gitmodules_sha1 = null_sha1; |
571 | parameter.overwrite = 1; | |
572 | ||
851e18c3 HV |
573 | return parse_config(var, value, ¶meter); |
574 | } | |
575 | ||
1b796ace | 576 | void repo_read_gitmodules(struct repository *repo) |
bf12fcdf | 577 | { |
ff6f1f56 BW |
578 | submodule_cache_check_init(repo); |
579 | ||
1b796ace BW |
580 | if (repo->worktree) { |
581 | char *gitmodules; | |
582 | ||
583 | if (repo_read_index(repo) < 0) | |
584 | return; | |
585 | ||
586 | gitmodules = repo_worktree_path(repo, GITMODULES_FILE); | |
587 | ||
588 | if (!is_gitmodules_unmerged(repo->index)) | |
589 | git_config_from_file(gitmodules_cb, gitmodules, repo); | |
590 | ||
591 | free(gitmodules); | |
592 | } | |
ff6f1f56 BW |
593 | |
594 | repo->submodule_cache->gitmodules_read = 1; | |
1b796ace BW |
595 | } |
596 | ||
597 | void gitmodules_config_oid(const struct object_id *commit_oid) | |
598 | { | |
599 | struct strbuf rev = STRBUF_INIT; | |
600 | struct object_id oid; | |
601 | ||
ff6f1f56 BW |
602 | submodule_cache_check_init(the_repository); |
603 | ||
1b796ace BW |
604 | if (gitmodule_oid_from_commit(commit_oid, &oid, &rev)) { |
605 | git_config_from_blob_oid(gitmodules_cb, rev.buf, | |
606 | &oid, the_repository); | |
607 | } | |
608 | strbuf_release(&rev); | |
ff6f1f56 BW |
609 | |
610 | the_repository->submodule_cache->gitmodules_read = 1; | |
611 | } | |
612 | ||
613 | static void gitmodules_read_check(struct repository *repo) | |
614 | { | |
615 | submodule_cache_check_init(repo); | |
616 | ||
617 | /* read the repo's .gitmodules file if it hasn't been already */ | |
618 | if (!repo->submodule_cache->gitmodules_read) | |
619 | repo_read_gitmodules(repo); | |
bf12fcdf BW |
620 | } |
621 | ||
cd73de47 | 622 | const struct submodule *submodule_from_name(const struct object_id *treeish_name, |
959b5455 HV |
623 | const char *name) |
624 | { | |
ff6f1f56 | 625 | gitmodules_read_check(the_repository); |
bf12fcdf | 626 | return config_from(the_repository->submodule_cache, treeish_name, name, lookup_name); |
959b5455 HV |
627 | } |
628 | ||
cd73de47 | 629 | const struct submodule *submodule_from_path(const struct object_id *treeish_name, |
959b5455 HV |
630 | const char *path) |
631 | { | |
ff6f1f56 | 632 | gitmodules_read_check(the_repository); |
bf12fcdf BW |
633 | return config_from(the_repository->submodule_cache, treeish_name, path, lookup_path); |
634 | } | |
635 | ||
636 | const struct submodule *submodule_from_cache(struct repository *repo, | |
cd73de47 | 637 | const struct object_id *treeish_name, |
bf12fcdf BW |
638 | const char *key) |
639 | { | |
ff6f1f56 | 640 | gitmodules_read_check(repo); |
bf12fcdf BW |
641 | return config_from(repo->submodule_cache, treeish_name, |
642 | key, lookup_path); | |
959b5455 HV |
643 | } |
644 | ||
645 | void submodule_free(void) | |
646 | { | |
bf12fcdf BW |
647 | if (the_repository->submodule_cache) |
648 | submodule_cache_clear(the_repository->submodule_cache); | |
959b5455 | 649 | } |