]>
Commit | Line | Data |
---|---|---|
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 | ||
0383bbb9 JK |
193 | int check_submodule_name(const char *name) |
194 | { | |
195 | /* Disallow empty names */ | |
196 | if (!*name) | |
197 | return -1; | |
198 | ||
199 | /* | |
200 | * Look for '..' as a path component. Check both '/' and '\\' as | |
201 | * separators rather than is_dir_sep(), because we want the name rules | |
202 | * to be consistent across platforms. | |
203 | */ | |
204 | goto in_component; /* always start inside component */ | |
205 | while (*name) { | |
206 | char c = *name++; | |
207 | if (c == '/' || c == '\\') { | |
208 | in_component: | |
209 | if (name[0] == '.' && name[1] == '.' && | |
210 | (!name[2] || name[2] == '/' || name[2] == '\\')) | |
211 | return -1; | |
212 | } | |
213 | } | |
214 | ||
215 | return 0; | |
216 | } | |
217 | ||
959b5455 HV |
218 | static int name_and_item_from_var(const char *var, struct strbuf *name, |
219 | struct strbuf *item) | |
220 | { | |
221 | const char *subsection, *key; | |
222 | int subsection_len, parse; | |
223 | parse = parse_config_key(var, "submodule", &subsection, | |
224 | &subsection_len, &key); | |
225 | if (parse < 0 || !subsection) | |
226 | return 0; | |
227 | ||
228 | strbuf_add(name, subsection, subsection_len); | |
0383bbb9 JK |
229 | if (check_submodule_name(name->buf) < 0) { |
230 | warning(_("ignoring suspicious submodule name: %s"), name->buf); | |
231 | strbuf_release(name); | |
232 | return 0; | |
233 | } | |
234 | ||
959b5455 HV |
235 | strbuf_addstr(item, key); |
236 | ||
237 | return 1; | |
238 | } | |
239 | ||
240 | static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache, | |
241 | const unsigned char *gitmodules_sha1, const char *name) | |
242 | { | |
243 | struct submodule *submodule; | |
244 | struct strbuf name_buf = STRBUF_INIT; | |
245 | ||
246 | submodule = cache_lookup_name(cache, gitmodules_sha1, name); | |
247 | if (submodule) | |
248 | return submodule; | |
249 | ||
250 | submodule = xmalloc(sizeof(*submodule)); | |
251 | ||
252 | strbuf_addstr(&name_buf, name); | |
253 | submodule->name = strbuf_detach(&name_buf, NULL); | |
254 | ||
255 | submodule->path = NULL; | |
256 | submodule->url = NULL; | |
ea2fa5a3 SB |
257 | submodule->update_strategy.type = SM_UPDATE_UNSPECIFIED; |
258 | submodule->update_strategy.command = NULL; | |
959b5455 HV |
259 | submodule->fetch_recurse = RECURSE_SUBMODULES_NONE; |
260 | submodule->ignore = NULL; | |
b5944f34 | 261 | submodule->branch = NULL; |
37f52e93 | 262 | submodule->recommend_shallow = -1; |
959b5455 HV |
263 | |
264 | hashcpy(submodule->gitmodules_sha1, gitmodules_sha1); | |
265 | ||
266 | cache_add(cache, submodule); | |
267 | ||
268 | return submodule; | |
269 | } | |
270 | ||
027771fc HV |
271 | static int parse_fetch_recurse(const char *opt, const char *arg, |
272 | int die_on_error) | |
273 | { | |
89576613 | 274 | switch (git_parse_maybe_bool(arg)) { |
027771fc HV |
275 | case 1: |
276 | return RECURSE_SUBMODULES_ON; | |
277 | case 0: | |
278 | return RECURSE_SUBMODULES_OFF; | |
279 | default: | |
280 | if (!strcmp(arg, "on-demand")) | |
281 | return RECURSE_SUBMODULES_ON_DEMAND; | |
282 | ||
283 | if (die_on_error) | |
284 | die("bad %s argument: %s", opt, arg); | |
285 | else | |
286 | return RECURSE_SUBMODULES_ERROR; | |
287 | } | |
288 | } | |
289 | ||
f20e7c1e BW |
290 | int parse_submodule_fetchjobs(const char *var, const char *value) |
291 | { | |
292 | int fetchjobs = git_config_int(var, value); | |
293 | if (fetchjobs < 0) | |
294 | die(_("negative values not allowed for submodule.fetchjobs")); | |
295 | return fetchjobs; | |
296 | } | |
297 | ||
027771fc HV |
298 | int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg) |
299 | { | |
300 | return parse_fetch_recurse(opt, arg, 1); | |
301 | } | |
302 | ||
886dc154 SB |
303 | int option_fetch_parse_recurse_submodules(const struct option *opt, |
304 | const char *arg, int unset) | |
305 | { | |
306 | int *v; | |
307 | ||
308 | if (!opt->value) | |
309 | return -1; | |
310 | ||
311 | v = opt->value; | |
312 | ||
313 | if (unset) { | |
314 | *v = RECURSE_SUBMODULES_OFF; | |
315 | } else { | |
316 | if (arg) | |
317 | *v = parse_fetch_recurse_submodules_arg(opt->long_name, arg); | |
318 | else | |
319 | *v = RECURSE_SUBMODULES_ON; | |
320 | } | |
321 | return 0; | |
322 | } | |
323 | ||
d601fd09 SB |
324 | static int parse_update_recurse(const char *opt, const char *arg, |
325 | int die_on_error) | |
326 | { | |
bdfcdefd | 327 | switch (git_parse_maybe_bool(arg)) { |
d601fd09 SB |
328 | case 1: |
329 | return RECURSE_SUBMODULES_ON; | |
330 | case 0: | |
331 | return RECURSE_SUBMODULES_OFF; | |
332 | default: | |
333 | if (die_on_error) | |
334 | die("bad %s argument: %s", opt, arg); | |
335 | return RECURSE_SUBMODULES_ERROR; | |
336 | } | |
337 | } | |
338 | ||
339 | int parse_update_recurse_submodules_arg(const char *opt, const char *arg) | |
340 | { | |
341 | return parse_update_recurse(opt, arg, 1); | |
342 | } | |
343 | ||
b33a15b0 MC |
344 | static int parse_push_recurse(const char *opt, const char *arg, |
345 | int die_on_error) | |
346 | { | |
89576613 | 347 | switch (git_parse_maybe_bool(arg)) { |
b33a15b0 MC |
348 | case 1: |
349 | /* There's no simple "on" value when pushing */ | |
350 | if (die_on_error) | |
351 | die("bad %s argument: %s", opt, arg); | |
352 | else | |
353 | return RECURSE_SUBMODULES_ERROR; | |
354 | case 0: | |
355 | return RECURSE_SUBMODULES_OFF; | |
356 | default: | |
357 | if (!strcmp(arg, "on-demand")) | |
358 | return RECURSE_SUBMODULES_ON_DEMAND; | |
359 | else if (!strcmp(arg, "check")) | |
360 | return RECURSE_SUBMODULES_CHECK; | |
6c656c3f BW |
361 | else if (!strcmp(arg, "only")) |
362 | return RECURSE_SUBMODULES_ONLY; | |
b33a15b0 MC |
363 | else if (die_on_error) |
364 | die("bad %s argument: %s", opt, arg); | |
365 | else | |
366 | return RECURSE_SUBMODULES_ERROR; | |
367 | } | |
368 | } | |
369 | ||
370 | int parse_push_recurse_submodules_arg(const char *opt, const char *arg) | |
371 | { | |
372 | return parse_push_recurse(opt, arg, 1); | |
373 | } | |
374 | ||
73c293bb | 375 | static void warn_multiple_config(const unsigned char *treeish_name, |
959b5455 HV |
376 | const char *name, const char *option) |
377 | { | |
378 | const char *commit_string = "WORKTREE"; | |
73c293bb SB |
379 | if (treeish_name) |
380 | commit_string = sha1_to_hex(treeish_name); | |
959b5455 HV |
381 | warning("%s:.gitmodules, multiple configurations found for " |
382 | "'submodule.%s.%s'. Skipping second one!", | |
383 | commit_string, name, option); | |
384 | } | |
385 | ||
f6adec4e JK |
386 | static void warn_command_line_option(const char *var, const char *value) |
387 | { | |
388 | warning(_("ignoring '%s' which may be interpreted as" | |
389 | " a command-line option: %s"), var, value); | |
390 | } | |
391 | ||
959b5455 HV |
392 | struct parse_config_parameter { |
393 | struct submodule_cache *cache; | |
73c293bb | 394 | const unsigned char *treeish_name; |
959b5455 HV |
395 | const unsigned char *gitmodules_sha1; |
396 | int overwrite; | |
397 | }; | |
398 | ||
399 | static int parse_config(const char *var, const char *value, void *data) | |
400 | { | |
401 | struct parse_config_parameter *me = data; | |
402 | struct submodule *submodule; | |
403 | struct strbuf name = STRBUF_INIT, item = STRBUF_INIT; | |
404 | int ret = 0; | |
405 | ||
406 | /* this also ensures that we only parse submodule entries */ | |
407 | if (!name_and_item_from_var(var, &name, &item)) | |
408 | return 0; | |
409 | ||
147875fd SB |
410 | submodule = lookup_or_create_by_name(me->cache, |
411 | me->gitmodules_sha1, | |
412 | name.buf); | |
959b5455 HV |
413 | |
414 | if (!strcmp(item.buf, "path")) { | |
147875fd | 415 | if (!value) |
959b5455 | 416 | ret = config_error_nonbool(var); |
273c6149 JK |
417 | else if (looks_like_command_line_option(value)) |
418 | warn_command_line_option(var, value); | |
f73da110 | 419 | else if (!me->overwrite && submodule->path) |
73c293bb | 420 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 421 | "path"); |
147875fd SB |
422 | else { |
423 | if (submodule->path) | |
424 | cache_remove_path(me->cache, submodule); | |
425 | free((void *) submodule->path); | |
426 | submodule->path = xstrdup(value); | |
427 | cache_put_path(me->cache, submodule); | |
959b5455 | 428 | } |
959b5455 | 429 | } else if (!strcmp(item.buf, "fetchrecursesubmodules")) { |
027771fc HV |
430 | /* when parsing worktree configurations we can die early */ |
431 | int die_on_error = is_null_sha1(me->gitmodules_sha1); | |
959b5455 | 432 | if (!me->overwrite && |
147875fd | 433 | submodule->fetch_recurse != RECURSE_SUBMODULES_NONE) |
73c293bb | 434 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 435 | "fetchrecursesubmodules"); |
147875fd SB |
436 | else |
437 | submodule->fetch_recurse = parse_fetch_recurse( | |
438 | var, value, | |
027771fc | 439 | die_on_error); |
959b5455 | 440 | } else if (!strcmp(item.buf, "ignore")) { |
147875fd SB |
441 | if (!value) |
442 | ret = config_error_nonbool(var); | |
f73da110 | 443 | else if (!me->overwrite && submodule->ignore) |
73c293bb | 444 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 445 | "ignore"); |
147875fd SB |
446 | else if (strcmp(value, "untracked") && |
447 | strcmp(value, "dirty") && | |
448 | strcmp(value, "all") && | |
449 | strcmp(value, "none")) | |
959b5455 | 450 | warning("Invalid parameter '%s' for config option " |
5ea30489 | 451 | "'submodule.%s.ignore'", value, name.buf); |
147875fd SB |
452 | else { |
453 | free((void *) submodule->ignore); | |
454 | submodule->ignore = xstrdup(value); | |
959b5455 | 455 | } |
959b5455 | 456 | } else if (!strcmp(item.buf, "url")) { |
959b5455 HV |
457 | if (!value) { |
458 | ret = config_error_nonbool(var); | |
f6adec4e JK |
459 | } else if (looks_like_command_line_option(value)) { |
460 | warn_command_line_option(var, value); | |
f73da110 | 461 | } else if (!me->overwrite && submodule->url) { |
73c293bb | 462 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 463 | "url"); |
147875fd SB |
464 | } else { |
465 | free((void *) submodule->url); | |
466 | submodule->url = xstrdup(value); | |
959b5455 | 467 | } |
ea2fa5a3 SB |
468 | } else if (!strcmp(item.buf, "update")) { |
469 | if (!value) | |
470 | ret = config_error_nonbool(var); | |
471 | else if (!me->overwrite && | |
472 | submodule->update_strategy.type != SM_UPDATE_UNSPECIFIED) | |
73c293bb | 473 | warn_multiple_config(me->treeish_name, submodule->name, |
ea2fa5a3 SB |
474 | "update"); |
475 | else if (parse_submodule_update_strategy(value, | |
476 | &submodule->update_strategy) < 0) | |
477 | die(_("invalid value for %s"), var); | |
37f52e93 SB |
478 | } else if (!strcmp(item.buf, "shallow")) { |
479 | if (!me->overwrite && submodule->recommend_shallow != -1) | |
73c293bb | 480 | warn_multiple_config(me->treeish_name, submodule->name, |
37f52e93 | 481 | "shallow"); |
b5944f34 | 482 | else |
37f52e93 SB |
483 | submodule->recommend_shallow = |
484 | git_config_bool(var, value); | |
b5944f34 SB |
485 | } else if (!strcmp(item.buf, "branch")) { |
486 | if (!me->overwrite && submodule->branch) | |
73c293bb | 487 | warn_multiple_config(me->treeish_name, submodule->name, |
b5944f34 SB |
488 | "branch"); |
489 | else { | |
490 | free((void *)submodule->branch); | |
491 | submodule->branch = xstrdup(value); | |
37f52e93 | 492 | } |
959b5455 HV |
493 | } |
494 | ||
959b5455 HV |
495 | strbuf_release(&name); |
496 | strbuf_release(&item); | |
497 | ||
498 | return ret; | |
499 | } | |
500 | ||
1b796ace BW |
501 | static int gitmodule_oid_from_commit(const struct object_id *treeish_name, |
502 | struct object_id *gitmodules_oid, | |
503 | struct strbuf *rev) | |
959b5455 | 504 | { |
959b5455 HV |
505 | int ret = 0; |
506 | ||
cd73de47 | 507 | if (is_null_oid(treeish_name)) { |
508 | oidclr(gitmodules_oid); | |
959b5455 HV |
509 | return 1; |
510 | } | |
511 | ||
cd73de47 | 512 | strbuf_addf(rev, "%s:.gitmodules", oid_to_hex(treeish_name)); |
513 | if (get_oid(rev->buf, gitmodules_oid) >= 0) | |
959b5455 HV |
514 | ret = 1; |
515 | ||
959b5455 HV |
516 | return ret; |
517 | } | |
518 | ||
519 | /* This does a lookup of a submodule configuration by name or by path | |
520 | * (key) with on-demand reading of the appropriate .gitmodules from | |
521 | * revisions. | |
522 | */ | |
523 | static const struct submodule *config_from(struct submodule_cache *cache, | |
cd73de47 | 524 | const struct object_id *treeish_name, const char *key, |
959b5455 HV |
525 | enum lookup_type lookup_type) |
526 | { | |
527 | struct strbuf rev = STRBUF_INIT; | |
528 | unsigned long config_size; | |
0918e250 | 529 | char *config = NULL; |
cd73de47 | 530 | struct object_id oid; |
959b5455 HV |
531 | enum object_type type; |
532 | const struct submodule *submodule = NULL; | |
533 | struct parse_config_parameter parameter; | |
534 | ||
535 | /* | |
536 | * If any parameter except the cache is a NULL pointer just | |
537 | * return the first submodule. Can be used to check whether | |
538 | * there are any submodules parsed. | |
539 | */ | |
73c293bb | 540 | if (!treeish_name || !key) { |
959b5455 HV |
541 | struct hashmap_iter iter; |
542 | struct submodule_entry *entry; | |
543 | ||
01d98e8a | 544 | entry = hashmap_iter_first(&cache->for_name, &iter); |
959b5455 HV |
545 | if (!entry) |
546 | return NULL; | |
547 | return entry->config; | |
548 | } | |
549 | ||
cd73de47 | 550 | if (!gitmodule_oid_from_commit(treeish_name, &oid, &rev)) |
0918e250 | 551 | goto out; |
959b5455 HV |
552 | |
553 | switch (lookup_type) { | |
554 | case lookup_name: | |
cd73de47 | 555 | submodule = cache_lookup_name(cache, oid.hash, key); |
959b5455 HV |
556 | break; |
557 | case lookup_path: | |
cd73de47 | 558 | submodule = cache_lookup_path(cache, oid.hash, key); |
959b5455 HV |
559 | break; |
560 | } | |
561 | if (submodule) | |
0918e250 | 562 | goto out; |
959b5455 | 563 | |
cd73de47 | 564 | config = read_sha1_file(oid.hash, &type, &config_size); |
0918e250 HV |
565 | if (!config || type != OBJ_BLOB) |
566 | goto out; | |
959b5455 HV |
567 | |
568 | /* fill the submodule config into the cache */ | |
569 | parameter.cache = cache; | |
cd73de47 | 570 | parameter.treeish_name = treeish_name->hash; |
571 | parameter.gitmodules_sha1 = oid.hash; | |
959b5455 | 572 | parameter.overwrite = 0; |
1b8132d9 | 573 | git_config_from_mem(parse_config, CONFIG_ORIGIN_SUBMODULE_BLOB, rev.buf, |
473166b9 | 574 | config, config_size, ¶meter); |
514dea90 | 575 | strbuf_release(&rev); |
959b5455 HV |
576 | free(config); |
577 | ||
578 | switch (lookup_type) { | |
579 | case lookup_name: | |
cd73de47 | 580 | return cache_lookup_name(cache, oid.hash, key); |
959b5455 | 581 | case lookup_path: |
cd73de47 | 582 | return cache_lookup_path(cache, oid.hash, key); |
959b5455 HV |
583 | default: |
584 | return NULL; | |
585 | } | |
0918e250 HV |
586 | |
587 | out: | |
588 | strbuf_release(&rev); | |
589 | free(config); | |
590 | return submodule; | |
959b5455 HV |
591 | } |
592 | ||
bf12fcdf | 593 | static void submodule_cache_check_init(struct repository *repo) |
959b5455 | 594 | { |
bf12fcdf | 595 | if (repo->submodule_cache && repo->submodule_cache->initialized) |
959b5455 HV |
596 | return; |
597 | ||
bf12fcdf BW |
598 | if (!repo->submodule_cache) |
599 | repo->submodule_cache = submodule_cache_alloc(); | |
600 | ||
601 | submodule_cache_init(repo->submodule_cache); | |
959b5455 HV |
602 | } |
603 | ||
1b796ace | 604 | static int gitmodules_cb(const char *var, const char *value, void *data) |
851e18c3 | 605 | { |
1b796ace | 606 | struct repository *repo = data; |
851e18c3 | 607 | struct parse_config_parameter parameter; |
bf12fcdf | 608 | |
bf12fcdf | 609 | parameter.cache = repo->submodule_cache; |
73c293bb | 610 | parameter.treeish_name = NULL; |
851e18c3 HV |
611 | parameter.gitmodules_sha1 = null_sha1; |
612 | parameter.overwrite = 1; | |
613 | ||
851e18c3 HV |
614 | return parse_config(var, value, ¶meter); |
615 | } | |
616 | ||
1b796ace | 617 | void repo_read_gitmodules(struct repository *repo) |
bf12fcdf | 618 | { |
ff6f1f56 BW |
619 | submodule_cache_check_init(repo); |
620 | ||
1b796ace BW |
621 | if (repo->worktree) { |
622 | char *gitmodules; | |
623 | ||
624 | if (repo_read_index(repo) < 0) | |
625 | return; | |
626 | ||
627 | gitmodules = repo_worktree_path(repo, GITMODULES_FILE); | |
628 | ||
629 | if (!is_gitmodules_unmerged(repo->index)) | |
630 | git_config_from_file(gitmodules_cb, gitmodules, repo); | |
631 | ||
632 | free(gitmodules); | |
633 | } | |
ff6f1f56 BW |
634 | |
635 | repo->submodule_cache->gitmodules_read = 1; | |
1b796ace BW |
636 | } |
637 | ||
638 | void gitmodules_config_oid(const struct object_id *commit_oid) | |
639 | { | |
640 | struct strbuf rev = STRBUF_INIT; | |
641 | struct object_id oid; | |
642 | ||
ff6f1f56 BW |
643 | submodule_cache_check_init(the_repository); |
644 | ||
1b796ace BW |
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); | |
ff6f1f56 BW |
650 | |
651 | the_repository->submodule_cache->gitmodules_read = 1; | |
652 | } | |
653 | ||
654 | static 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); | |
bf12fcdf BW |
661 | } |
662 | ||
cd73de47 | 663 | const struct submodule *submodule_from_name(const struct object_id *treeish_name, |
959b5455 HV |
664 | const char *name) |
665 | { | |
ff6f1f56 | 666 | gitmodules_read_check(the_repository); |
bf12fcdf | 667 | return config_from(the_repository->submodule_cache, treeish_name, name, lookup_name); |
959b5455 HV |
668 | } |
669 | ||
cd73de47 | 670 | const struct submodule *submodule_from_path(const struct object_id *treeish_name, |
959b5455 HV |
671 | const char *path) |
672 | { | |
ff6f1f56 | 673 | gitmodules_read_check(the_repository); |
bf12fcdf BW |
674 | return config_from(the_repository->submodule_cache, treeish_name, path, lookup_path); |
675 | } | |
676 | ||
677 | const struct submodule *submodule_from_cache(struct repository *repo, | |
cd73de47 | 678 | const struct object_id *treeish_name, |
bf12fcdf BW |
679 | const char *key) |
680 | { | |
ff6f1f56 | 681 | gitmodules_read_check(repo); |
bf12fcdf BW |
682 | return config_from(repo->submodule_cache, treeish_name, |
683 | key, lookup_path); | |
959b5455 HV |
684 | } |
685 | ||
686 | void submodule_free(void) | |
687 | { | |
bf12fcdf BW |
688 | if (the_repository->submodule_cache) |
689 | submodule_cache_clear(the_repository->submodule_cache); | |
959b5455 | 690 | } |