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Commit | Line | Data |
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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 | */ | |
19 | struct 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 | */ | |
30 | struct submodule_entry { | |
31 | struct hashmap_entry ent; | |
32 | struct submodule *config; | |
33 | }; | |
34 | ||
35 | enum lookup_type { | |
36 | lookup_name, | |
37 | lookup_path | |
38 | }; | |
39 | ||
7663cdc8 | 40 | static int config_path_cmp(const void *unused_cmp_data, |
939af16e EW |
41 | const struct hashmap_entry *eptr, |
42 | const struct hashmap_entry *entry_or_key, | |
7663cdc8 | 43 | const void *unused_keydata) |
959b5455 | 44 | { |
939af16e EW |
45 | const struct submodule_entry *a, *b; |
46 | ||
47 | a = container_of(eptr, const struct submodule_entry, ent); | |
48 | b = container_of(entry_or_key, const struct submodule_entry, ent); | |
152cbdc6 | 49 | |
959b5455 | 50 | return strcmp(a->config->path, b->config->path) || |
9001dc2a | 51 | !oideq(&a->config->gitmodules_oid, &b->config->gitmodules_oid); |
959b5455 HV |
52 | } |
53 | ||
7663cdc8 | 54 | static int config_name_cmp(const void *unused_cmp_data, |
939af16e EW |
55 | const struct hashmap_entry *eptr, |
56 | const struct hashmap_entry *entry_or_key, | |
7663cdc8 | 57 | const void *unused_keydata) |
959b5455 | 58 | { |
939af16e EW |
59 | const struct submodule_entry *a, *b; |
60 | ||
61 | a = container_of(eptr, const struct submodule_entry, ent); | |
62 | b = container_of(entry_or_key, const struct submodule_entry, ent); | |
152cbdc6 | 63 | |
959b5455 | 64 | return strcmp(a->config->name, b->config->name) || |
9001dc2a | 65 | !oideq(&a->config->gitmodules_oid, &b->config->gitmodules_oid); |
959b5455 HV |
66 | } |
67 | ||
bf12fcdf BW |
68 | static struct submodule_cache *submodule_cache_alloc(void) |
69 | { | |
70 | return xcalloc(1, sizeof(struct submodule_cache)); | |
71 | } | |
72 | ||
73 | static void submodule_cache_init(struct submodule_cache *cache) | |
959b5455 | 74 | { |
152cbdc6 SB |
75 | hashmap_init(&cache->for_path, config_path_cmp, NULL, 0); |
76 | hashmap_init(&cache->for_name, config_name_cmp, NULL, 0); | |
bf12fcdf | 77 | cache->initialized = 1; |
959b5455 HV |
78 | } |
79 | ||
80 | static void free_one_config(struct submodule_entry *entry) | |
81 | { | |
82 | free((void *) entry->config->path); | |
83 | free((void *) entry->config->name); | |
b5944f34 | 84 | free((void *) entry->config->branch); |
ea2fa5a3 | 85 | free((void *) entry->config->update_strategy.command); |
959b5455 HV |
86 | free(entry->config); |
87 | } | |
88 | ||
bf12fcdf | 89 | static void submodule_cache_clear(struct submodule_cache *cache) |
959b5455 HV |
90 | { |
91 | struct hashmap_iter iter; | |
92 | struct submodule_entry *entry; | |
93 | ||
bf12fcdf BW |
94 | if (!cache->initialized) |
95 | return; | |
96 | ||
959b5455 HV |
97 | /* |
98 | * We iterate over the name hash here to be symmetric with the | |
99 | * allocation of struct submodule entries. Each is allocated by | |
5aea9fe6 | 100 | * their .gitmodules blob sha1 and submodule name. |
959b5455 | 101 | */ |
87571c3f EW |
102 | hashmap_for_each_entry(&cache->for_name, &iter, entry, |
103 | struct submodule_entry, ent /* member name */) | |
959b5455 HV |
104 | free_one_config(entry); |
105 | ||
106 | hashmap_free(&cache->for_path, 1); | |
107 | hashmap_free(&cache->for_name, 1); | |
bf12fcdf | 108 | cache->initialized = 0; |
ff6f1f56 | 109 | cache->gitmodules_read = 0; |
bf12fcdf BW |
110 | } |
111 | ||
112 | void submodule_cache_free(struct submodule_cache *cache) | |
113 | { | |
114 | submodule_cache_clear(cache); | |
115 | free(cache); | |
959b5455 HV |
116 | } |
117 | ||
34caab02 | 118 | static unsigned int hash_oid_string(const struct object_id *oid, |
119 | const char *string) | |
959b5455 | 120 | { |
34caab02 | 121 | return memhash(oid->hash, the_hash_algo->rawsz) + strhash(string); |
959b5455 HV |
122 | } |
123 | ||
124 | static void cache_put_path(struct submodule_cache *cache, | |
125 | struct submodule *submodule) | |
126 | { | |
34caab02 | 127 | unsigned int hash = hash_oid_string(&submodule->gitmodules_oid, |
128 | submodule->path); | |
959b5455 | 129 | struct submodule_entry *e = xmalloc(sizeof(*e)); |
d22245a2 | 130 | hashmap_entry_init(&e->ent, hash); |
959b5455 | 131 | e->config = submodule; |
26b455f2 | 132 | hashmap_put(&cache->for_path, &e->ent); |
959b5455 HV |
133 | } |
134 | ||
135 | static void cache_remove_path(struct submodule_cache *cache, | |
136 | struct submodule *submodule) | |
137 | { | |
34caab02 | 138 | unsigned int hash = hash_oid_string(&submodule->gitmodules_oid, |
139 | submodule->path); | |
959b5455 HV |
140 | struct submodule_entry e; |
141 | struct submodule_entry *removed; | |
d22245a2 | 142 | hashmap_entry_init(&e.ent, hash); |
959b5455 | 143 | e.config = submodule; |
8a973d0b EW |
144 | removed = hashmap_remove_entry(&cache->for_path, &e, NULL, |
145 | struct submodule_entry, | |
146 | ent /* member name */); | |
959b5455 HV |
147 | free(removed); |
148 | } | |
149 | ||
150 | static void cache_add(struct submodule_cache *cache, | |
151 | struct submodule *submodule) | |
152 | { | |
34caab02 | 153 | unsigned int hash = hash_oid_string(&submodule->gitmodules_oid, |
154 | submodule->name); | |
959b5455 | 155 | struct submodule_entry *e = xmalloc(sizeof(*e)); |
d22245a2 | 156 | hashmap_entry_init(&e->ent, hash); |
959b5455 | 157 | e->config = submodule; |
b94e5c1d | 158 | hashmap_add(&cache->for_name, &e->ent); |
959b5455 HV |
159 | } |
160 | ||
161 | static const struct submodule *cache_lookup_path(struct submodule_cache *cache, | |
34caab02 | 162 | const struct object_id *gitmodules_oid, const char *path) |
959b5455 HV |
163 | { |
164 | struct submodule_entry *entry; | |
34caab02 | 165 | unsigned int hash = hash_oid_string(gitmodules_oid, path); |
959b5455 HV |
166 | struct submodule_entry key; |
167 | struct submodule key_config; | |
168 | ||
34caab02 | 169 | oidcpy(&key_config.gitmodules_oid, gitmodules_oid); |
959b5455 HV |
170 | key_config.path = path; |
171 | ||
d22245a2 | 172 | hashmap_entry_init(&key.ent, hash); |
959b5455 HV |
173 | key.config = &key_config; |
174 | ||
f23a4651 EW |
175 | entry = hashmap_get_entry(&cache->for_path, &key, NULL, |
176 | struct submodule_entry, ent); | |
959b5455 HV |
177 | if (entry) |
178 | return entry->config; | |
179 | return NULL; | |
180 | } | |
181 | ||
182 | static struct submodule *cache_lookup_name(struct submodule_cache *cache, | |
34caab02 | 183 | const struct object_id *gitmodules_oid, const char *name) |
959b5455 HV |
184 | { |
185 | struct submodule_entry *entry; | |
34caab02 | 186 | unsigned int hash = hash_oid_string(gitmodules_oid, name); |
959b5455 HV |
187 | struct submodule_entry key; |
188 | struct submodule key_config; | |
189 | ||
34caab02 | 190 | oidcpy(&key_config.gitmodules_oid, gitmodules_oid); |
959b5455 HV |
191 | key_config.name = name; |
192 | ||
d22245a2 | 193 | hashmap_entry_init(&key.ent, hash); |
959b5455 HV |
194 | key.config = &key_config; |
195 | ||
f23a4651 EW |
196 | entry = hashmap_get_entry(&cache->for_name, &key, NULL, |
197 | struct submodule_entry, ent); | |
959b5455 HV |
198 | if (entry) |
199 | return entry->config; | |
200 | return NULL; | |
201 | } | |
202 | ||
0383bbb9 JK |
203 | int check_submodule_name(const char *name) |
204 | { | |
205 | /* Disallow empty names */ | |
206 | if (!*name) | |
207 | return -1; | |
208 | ||
209 | /* | |
210 | * Look for '..' as a path component. Check both '/' and '\\' as | |
211 | * separators rather than is_dir_sep(), because we want the name rules | |
212 | * to be consistent across platforms. | |
213 | */ | |
214 | goto in_component; /* always start inside component */ | |
215 | while (*name) { | |
216 | char c = *name++; | |
217 | if (c == '/' || c == '\\') { | |
218 | in_component: | |
219 | if (name[0] == '.' && name[1] == '.' && | |
220 | (!name[2] || name[2] == '/' || name[2] == '\\')) | |
221 | return -1; | |
222 | } | |
223 | } | |
224 | ||
225 | return 0; | |
226 | } | |
227 | ||
959b5455 HV |
228 | static int name_and_item_from_var(const char *var, struct strbuf *name, |
229 | struct strbuf *item) | |
230 | { | |
231 | const char *subsection, *key; | |
232 | int subsection_len, parse; | |
233 | parse = parse_config_key(var, "submodule", &subsection, | |
234 | &subsection_len, &key); | |
235 | if (parse < 0 || !subsection) | |
236 | return 0; | |
237 | ||
238 | strbuf_add(name, subsection, subsection_len); | |
0383bbb9 JK |
239 | if (check_submodule_name(name->buf) < 0) { |
240 | warning(_("ignoring suspicious submodule name: %s"), name->buf); | |
241 | strbuf_release(name); | |
242 | return 0; | |
243 | } | |
244 | ||
959b5455 HV |
245 | strbuf_addstr(item, key); |
246 | ||
247 | return 1; | |
248 | } | |
249 | ||
250 | static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache, | |
34caab02 | 251 | const struct object_id *gitmodules_oid, const char *name) |
959b5455 HV |
252 | { |
253 | struct submodule *submodule; | |
254 | struct strbuf name_buf = STRBUF_INIT; | |
255 | ||
34caab02 | 256 | submodule = cache_lookup_name(cache, gitmodules_oid, name); |
959b5455 HV |
257 | if (submodule) |
258 | return submodule; | |
259 | ||
260 | submodule = xmalloc(sizeof(*submodule)); | |
261 | ||
262 | strbuf_addstr(&name_buf, name); | |
263 | submodule->name = strbuf_detach(&name_buf, NULL); | |
264 | ||
265 | submodule->path = NULL; | |
266 | submodule->url = NULL; | |
ea2fa5a3 SB |
267 | submodule->update_strategy.type = SM_UPDATE_UNSPECIFIED; |
268 | submodule->update_strategy.command = NULL; | |
959b5455 HV |
269 | submodule->fetch_recurse = RECURSE_SUBMODULES_NONE; |
270 | submodule->ignore = NULL; | |
b5944f34 | 271 | submodule->branch = NULL; |
37f52e93 | 272 | submodule->recommend_shallow = -1; |
959b5455 | 273 | |
34caab02 | 274 | oidcpy(&submodule->gitmodules_oid, gitmodules_oid); |
959b5455 HV |
275 | |
276 | cache_add(cache, submodule); | |
277 | ||
278 | return submodule; | |
279 | } | |
280 | ||
027771fc HV |
281 | static int parse_fetch_recurse(const char *opt, const char *arg, |
282 | int die_on_error) | |
283 | { | |
89576613 | 284 | switch (git_parse_maybe_bool(arg)) { |
027771fc HV |
285 | case 1: |
286 | return RECURSE_SUBMODULES_ON; | |
287 | case 0: | |
288 | return RECURSE_SUBMODULES_OFF; | |
289 | default: | |
290 | if (!strcmp(arg, "on-demand")) | |
291 | return RECURSE_SUBMODULES_ON_DEMAND; | |
5a59a230 NTND |
292 | /* |
293 | * Please update $__git_fetch_recurse_submodules in | |
294 | * git-completion.bash when you add new options. | |
295 | */ | |
027771fc HV |
296 | if (die_on_error) |
297 | die("bad %s argument: %s", opt, arg); | |
298 | else | |
299 | return RECURSE_SUBMODULES_ERROR; | |
300 | } | |
301 | } | |
302 | ||
f20e7c1e BW |
303 | int parse_submodule_fetchjobs(const char *var, const char *value) |
304 | { | |
305 | int fetchjobs = git_config_int(var, value); | |
306 | if (fetchjobs < 0) | |
307 | die(_("negative values not allowed for submodule.fetchjobs")); | |
308 | return fetchjobs; | |
309 | } | |
310 | ||
027771fc HV |
311 | int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg) |
312 | { | |
313 | return parse_fetch_recurse(opt, arg, 1); | |
314 | } | |
315 | ||
886dc154 SB |
316 | int option_fetch_parse_recurse_submodules(const struct option *opt, |
317 | const char *arg, int unset) | |
318 | { | |
319 | int *v; | |
320 | ||
321 | if (!opt->value) | |
322 | return -1; | |
323 | ||
324 | v = opt->value; | |
325 | ||
326 | if (unset) { | |
327 | *v = RECURSE_SUBMODULES_OFF; | |
328 | } else { | |
329 | if (arg) | |
330 | *v = parse_fetch_recurse_submodules_arg(opt->long_name, arg); | |
331 | else | |
332 | *v = RECURSE_SUBMODULES_ON; | |
333 | } | |
334 | return 0; | |
335 | } | |
336 | ||
d601fd09 SB |
337 | static int parse_update_recurse(const char *opt, const char *arg, |
338 | int die_on_error) | |
339 | { | |
bdfcdefd | 340 | switch (git_parse_maybe_bool(arg)) { |
d601fd09 SB |
341 | case 1: |
342 | return RECURSE_SUBMODULES_ON; | |
343 | case 0: | |
344 | return RECURSE_SUBMODULES_OFF; | |
345 | default: | |
346 | if (die_on_error) | |
347 | die("bad %s argument: %s", opt, arg); | |
348 | return RECURSE_SUBMODULES_ERROR; | |
349 | } | |
350 | } | |
351 | ||
352 | int parse_update_recurse_submodules_arg(const char *opt, const char *arg) | |
353 | { | |
354 | return parse_update_recurse(opt, arg, 1); | |
355 | } | |
356 | ||
b33a15b0 MC |
357 | static int parse_push_recurse(const char *opt, const char *arg, |
358 | int die_on_error) | |
359 | { | |
89576613 | 360 | switch (git_parse_maybe_bool(arg)) { |
b33a15b0 MC |
361 | case 1: |
362 | /* There's no simple "on" value when pushing */ | |
363 | if (die_on_error) | |
364 | die("bad %s argument: %s", opt, arg); | |
365 | else | |
366 | return RECURSE_SUBMODULES_ERROR; | |
367 | case 0: | |
368 | return RECURSE_SUBMODULES_OFF; | |
369 | default: | |
370 | if (!strcmp(arg, "on-demand")) | |
371 | return RECURSE_SUBMODULES_ON_DEMAND; | |
372 | else if (!strcmp(arg, "check")) | |
373 | return RECURSE_SUBMODULES_CHECK; | |
6c656c3f BW |
374 | else if (!strcmp(arg, "only")) |
375 | return RECURSE_SUBMODULES_ONLY; | |
5a59a230 NTND |
376 | /* |
377 | * Please update $__git_push_recurse_submodules in | |
378 | * git-completion.bash when you add new modes. | |
379 | */ | |
b33a15b0 MC |
380 | else if (die_on_error) |
381 | die("bad %s argument: %s", opt, arg); | |
382 | else | |
383 | return RECURSE_SUBMODULES_ERROR; | |
384 | } | |
385 | } | |
386 | ||
387 | int parse_push_recurse_submodules_arg(const char *opt, const char *arg) | |
388 | { | |
389 | return parse_push_recurse(opt, arg, 1); | |
390 | } | |
391 | ||
34caab02 | 392 | static void warn_multiple_config(const struct object_id *treeish_name, |
959b5455 HV |
393 | const char *name, const char *option) |
394 | { | |
395 | const char *commit_string = "WORKTREE"; | |
73c293bb | 396 | if (treeish_name) |
34caab02 | 397 | commit_string = oid_to_hex(treeish_name); |
959b5455 HV |
398 | warning("%s:.gitmodules, multiple configurations found for " |
399 | "'submodule.%s.%s'. Skipping second one!", | |
400 | commit_string, name, option); | |
401 | } | |
402 | ||
f6adec4e JK |
403 | static void warn_command_line_option(const char *var, const char *value) |
404 | { | |
405 | warning(_("ignoring '%s' which may be interpreted as" | |
406 | " a command-line option: %s"), var, value); | |
407 | } | |
408 | ||
959b5455 HV |
409 | struct parse_config_parameter { |
410 | struct submodule_cache *cache; | |
34caab02 | 411 | const struct object_id *treeish_name; |
412 | const struct object_id *gitmodules_oid; | |
959b5455 HV |
413 | int overwrite; |
414 | }; | |
415 | ||
416 | static int parse_config(const char *var, const char *value, void *data) | |
417 | { | |
418 | struct parse_config_parameter *me = data; | |
419 | struct submodule *submodule; | |
420 | struct strbuf name = STRBUF_INIT, item = STRBUF_INIT; | |
421 | int ret = 0; | |
422 | ||
423 | /* this also ensures that we only parse submodule entries */ | |
424 | if (!name_and_item_from_var(var, &name, &item)) | |
425 | return 0; | |
426 | ||
147875fd | 427 | submodule = lookup_or_create_by_name(me->cache, |
34caab02 | 428 | me->gitmodules_oid, |
147875fd | 429 | name.buf); |
959b5455 HV |
430 | |
431 | if (!strcmp(item.buf, "path")) { | |
147875fd | 432 | if (!value) |
959b5455 | 433 | ret = config_error_nonbool(var); |
273c6149 JK |
434 | else if (looks_like_command_line_option(value)) |
435 | warn_command_line_option(var, value); | |
f73da110 | 436 | else if (!me->overwrite && submodule->path) |
73c293bb | 437 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 438 | "path"); |
147875fd SB |
439 | else { |
440 | if (submodule->path) | |
441 | cache_remove_path(me->cache, submodule); | |
442 | free((void *) submodule->path); | |
443 | submodule->path = xstrdup(value); | |
444 | cache_put_path(me->cache, submodule); | |
959b5455 | 445 | } |
959b5455 | 446 | } else if (!strcmp(item.buf, "fetchrecursesubmodules")) { |
027771fc | 447 | /* when parsing worktree configurations we can die early */ |
34caab02 | 448 | int die_on_error = is_null_oid(me->gitmodules_oid); |
959b5455 | 449 | if (!me->overwrite && |
147875fd | 450 | submodule->fetch_recurse != RECURSE_SUBMODULES_NONE) |
73c293bb | 451 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 452 | "fetchrecursesubmodules"); |
147875fd SB |
453 | else |
454 | submodule->fetch_recurse = parse_fetch_recurse( | |
455 | var, value, | |
027771fc | 456 | die_on_error); |
959b5455 | 457 | } else if (!strcmp(item.buf, "ignore")) { |
147875fd SB |
458 | if (!value) |
459 | ret = config_error_nonbool(var); | |
f73da110 | 460 | else if (!me->overwrite && submodule->ignore) |
73c293bb | 461 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 462 | "ignore"); |
147875fd SB |
463 | else if (strcmp(value, "untracked") && |
464 | strcmp(value, "dirty") && | |
465 | strcmp(value, "all") && | |
466 | strcmp(value, "none")) | |
959b5455 | 467 | warning("Invalid parameter '%s' for config option " |
5ea30489 | 468 | "'submodule.%s.ignore'", value, name.buf); |
147875fd SB |
469 | else { |
470 | free((void *) submodule->ignore); | |
471 | submodule->ignore = xstrdup(value); | |
959b5455 | 472 | } |
959b5455 | 473 | } else if (!strcmp(item.buf, "url")) { |
959b5455 HV |
474 | if (!value) { |
475 | ret = config_error_nonbool(var); | |
f6adec4e JK |
476 | } else if (looks_like_command_line_option(value)) { |
477 | warn_command_line_option(var, value); | |
f73da110 | 478 | } else if (!me->overwrite && submodule->url) { |
73c293bb | 479 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 480 | "url"); |
147875fd SB |
481 | } else { |
482 | free((void *) submodule->url); | |
483 | submodule->url = xstrdup(value); | |
959b5455 | 484 | } |
ea2fa5a3 SB |
485 | } else if (!strcmp(item.buf, "update")) { |
486 | if (!value) | |
487 | ret = config_error_nonbool(var); | |
488 | else if (!me->overwrite && | |
489 | submodule->update_strategy.type != SM_UPDATE_UNSPECIFIED) | |
73c293bb | 490 | warn_multiple_config(me->treeish_name, submodule->name, |
ea2fa5a3 SB |
491 | "update"); |
492 | else if (parse_submodule_update_strategy(value, | |
493 | &submodule->update_strategy) < 0) | |
494 | die(_("invalid value for %s"), var); | |
37f52e93 SB |
495 | } else if (!strcmp(item.buf, "shallow")) { |
496 | if (!me->overwrite && submodule->recommend_shallow != -1) | |
73c293bb | 497 | warn_multiple_config(me->treeish_name, submodule->name, |
37f52e93 | 498 | "shallow"); |
b5944f34 | 499 | else |
37f52e93 SB |
500 | submodule->recommend_shallow = |
501 | git_config_bool(var, value); | |
b5944f34 SB |
502 | } else if (!strcmp(item.buf, "branch")) { |
503 | if (!me->overwrite && submodule->branch) | |
73c293bb | 504 | warn_multiple_config(me->treeish_name, submodule->name, |
b5944f34 SB |
505 | "branch"); |
506 | else { | |
507 | free((void *)submodule->branch); | |
508 | submodule->branch = xstrdup(value); | |
37f52e93 | 509 | } |
959b5455 HV |
510 | } |
511 | ||
959b5455 HV |
512 | strbuf_release(&name); |
513 | strbuf_release(&item); | |
514 | ||
515 | return ret; | |
516 | } | |
517 | ||
1b796ace BW |
518 | static int gitmodule_oid_from_commit(const struct object_id *treeish_name, |
519 | struct object_id *gitmodules_oid, | |
520 | struct strbuf *rev) | |
959b5455 | 521 | { |
959b5455 HV |
522 | int ret = 0; |
523 | ||
cd73de47 | 524 | if (is_null_oid(treeish_name)) { |
525 | oidclr(gitmodules_oid); | |
959b5455 HV |
526 | return 1; |
527 | } | |
528 | ||
cd73de47 | 529 | strbuf_addf(rev, "%s:.gitmodules", oid_to_hex(treeish_name)); |
530 | if (get_oid(rev->buf, gitmodules_oid) >= 0) | |
959b5455 HV |
531 | ret = 1; |
532 | ||
959b5455 HV |
533 | return ret; |
534 | } | |
535 | ||
536 | /* This does a lookup of a submodule configuration by name or by path | |
537 | * (key) with on-demand reading of the appropriate .gitmodules from | |
538 | * revisions. | |
539 | */ | |
540 | static const struct submodule *config_from(struct submodule_cache *cache, | |
cd73de47 | 541 | const struct object_id *treeish_name, const char *key, |
959b5455 HV |
542 | enum lookup_type lookup_type) |
543 | { | |
544 | struct strbuf rev = STRBUF_INIT; | |
545 | unsigned long config_size; | |
0918e250 | 546 | char *config = NULL; |
cd73de47 | 547 | struct object_id oid; |
959b5455 HV |
548 | enum object_type type; |
549 | const struct submodule *submodule = NULL; | |
550 | struct parse_config_parameter parameter; | |
551 | ||
552 | /* | |
553 | * If any parameter except the cache is a NULL pointer just | |
554 | * return the first submodule. Can be used to check whether | |
555 | * there are any submodules parsed. | |
556 | */ | |
73c293bb | 557 | if (!treeish_name || !key) { |
959b5455 HV |
558 | struct hashmap_iter iter; |
559 | struct submodule_entry *entry; | |
560 | ||
87571c3f EW |
561 | entry = hashmap_iter_first_entry(&cache->for_name, &iter, |
562 | struct submodule_entry, | |
563 | ent /* member name */); | |
959b5455 HV |
564 | if (!entry) |
565 | return NULL; | |
566 | return entry->config; | |
567 | } | |
568 | ||
cd73de47 | 569 | if (!gitmodule_oid_from_commit(treeish_name, &oid, &rev)) |
0918e250 | 570 | goto out; |
959b5455 HV |
571 | |
572 | switch (lookup_type) { | |
573 | case lookup_name: | |
34caab02 | 574 | submodule = cache_lookup_name(cache, &oid, key); |
959b5455 HV |
575 | break; |
576 | case lookup_path: | |
34caab02 | 577 | submodule = cache_lookup_path(cache, &oid, key); |
959b5455 HV |
578 | break; |
579 | } | |
580 | if (submodule) | |
0918e250 | 581 | goto out; |
959b5455 | 582 | |
b4f5aca4 | 583 | config = read_object_file(&oid, &type, &config_size); |
0918e250 HV |
584 | if (!config || type != OBJ_BLOB) |
585 | goto out; | |
959b5455 HV |
586 | |
587 | /* fill the submodule config into the cache */ | |
588 | parameter.cache = cache; | |
34caab02 | 589 | parameter.treeish_name = treeish_name; |
590 | parameter.gitmodules_oid = &oid; | |
959b5455 | 591 | parameter.overwrite = 0; |
1b8132d9 | 592 | git_config_from_mem(parse_config, CONFIG_ORIGIN_SUBMODULE_BLOB, rev.buf, |
4574f1aa | 593 | config, config_size, ¶meter, NULL); |
514dea90 | 594 | strbuf_release(&rev); |
959b5455 HV |
595 | free(config); |
596 | ||
597 | switch (lookup_type) { | |
598 | case lookup_name: | |
34caab02 | 599 | return cache_lookup_name(cache, &oid, key); |
959b5455 | 600 | case lookup_path: |
34caab02 | 601 | return cache_lookup_path(cache, &oid, key); |
959b5455 HV |
602 | default: |
603 | return NULL; | |
604 | } | |
0918e250 HV |
605 | |
606 | out: | |
607 | strbuf_release(&rev); | |
608 | free(config); | |
609 | return submodule; | |
959b5455 HV |
610 | } |
611 | ||
bf12fcdf | 612 | static void submodule_cache_check_init(struct repository *repo) |
959b5455 | 613 | { |
bf12fcdf | 614 | if (repo->submodule_cache && repo->submodule_cache->initialized) |
959b5455 HV |
615 | return; |
616 | ||
bf12fcdf BW |
617 | if (!repo->submodule_cache) |
618 | repo->submodule_cache = submodule_cache_alloc(); | |
619 | ||
620 | submodule_cache_init(repo->submodule_cache); | |
959b5455 HV |
621 | } |
622 | ||
db64d112 AO |
623 | /* |
624 | * Note: This function is private for a reason, the '.gitmodules' file should | |
625 | * not be used as as a mechanism to retrieve arbitrary configuration stored in | |
626 | * the repository. | |
627 | * | |
628 | * Runs the provided config function on the '.gitmodules' file found in the | |
629 | * working directory. | |
630 | */ | |
631 | static void config_from_gitmodules(config_fn_t fn, struct repository *repo, void *data) | |
632 | { | |
633 | if (repo->worktree) { | |
76e9bdc4 AO |
634 | struct git_config_source config_source = { 0 }; |
635 | const struct config_options opts = { 0 }; | |
636 | struct object_id oid; | |
637 | char *file; | |
d9b8b8f8 | 638 | char *oidstr = NULL; |
76e9bdc4 AO |
639 | |
640 | file = repo_worktree_path(repo, GITMODULES_FILE); | |
641 | if (file_exists(file)) { | |
642 | config_source.file = file; | |
d9b8b8f8 NTND |
643 | } else if (repo_get_oid(repo, GITMODULES_INDEX, &oid) >= 0 || |
644 | repo_get_oid(repo, GITMODULES_HEAD, &oid) >= 0) { | |
645 | config_source.blob = oidstr = xstrdup(oid_to_hex(&oid)); | |
646 | if (repo != the_repository) | |
647 | add_to_alternates_memory(repo->objects->odb->path); | |
76e9bdc4 AO |
648 | } else { |
649 | goto out; | |
650 | } | |
651 | ||
652 | config_with_options(fn, data, &config_source, &opts); | |
653 | ||
654 | out: | |
d9b8b8f8 | 655 | free(oidstr); |
db64d112 AO |
656 | free(file); |
657 | } | |
658 | } | |
659 | ||
1b796ace | 660 | static int gitmodules_cb(const char *var, const char *value, void *data) |
851e18c3 | 661 | { |
1b796ace | 662 | struct repository *repo = data; |
851e18c3 | 663 | struct parse_config_parameter parameter; |
bf12fcdf | 664 | |
bf12fcdf | 665 | parameter.cache = repo->submodule_cache; |
73c293bb | 666 | parameter.treeish_name = NULL; |
34caab02 | 667 | parameter.gitmodules_oid = &null_oid; |
851e18c3 HV |
668 | parameter.overwrite = 1; |
669 | ||
851e18c3 HV |
670 | return parse_config(var, value, ¶meter); |
671 | } | |
672 | ||
1b796ace | 673 | void repo_read_gitmodules(struct repository *repo) |
bf12fcdf | 674 | { |
ff6f1f56 BW |
675 | submodule_cache_check_init(repo); |
676 | ||
db64d112 AO |
677 | if (repo_read_index(repo) < 0) |
678 | return; | |
1b796ace | 679 | |
db64d112 AO |
680 | if (!is_gitmodules_unmerged(repo->index)) |
681 | config_from_gitmodules(gitmodules_cb, repo, repo); | |
ff6f1f56 BW |
682 | |
683 | repo->submodule_cache->gitmodules_read = 1; | |
1b796ace BW |
684 | } |
685 | ||
686 | void gitmodules_config_oid(const struct object_id *commit_oid) | |
687 | { | |
688 | struct strbuf rev = STRBUF_INIT; | |
689 | struct object_id oid; | |
690 | ||
ff6f1f56 BW |
691 | submodule_cache_check_init(the_repository); |
692 | ||
1b796ace BW |
693 | if (gitmodule_oid_from_commit(commit_oid, &oid, &rev)) { |
694 | git_config_from_blob_oid(gitmodules_cb, rev.buf, | |
695 | &oid, the_repository); | |
696 | } | |
697 | strbuf_release(&rev); | |
ff6f1f56 BW |
698 | |
699 | the_repository->submodule_cache->gitmodules_read = 1; | |
700 | } | |
701 | ||
702 | static void gitmodules_read_check(struct repository *repo) | |
703 | { | |
704 | submodule_cache_check_init(repo); | |
705 | ||
706 | /* read the repo's .gitmodules file if it hasn't been already */ | |
707 | if (!repo->submodule_cache->gitmodules_read) | |
708 | repo_read_gitmodules(repo); | |
bf12fcdf BW |
709 | } |
710 | ||
3b8fb393 SB |
711 | const struct submodule *submodule_from_name(struct repository *r, |
712 | const struct object_id *treeish_name, | |
959b5455 HV |
713 | const char *name) |
714 | { | |
3b8fb393 SB |
715 | gitmodules_read_check(r); |
716 | return config_from(r->submodule_cache, treeish_name, name, lookup_name); | |
959b5455 HV |
717 | } |
718 | ||
3b8fb393 SB |
719 | const struct submodule *submodule_from_path(struct repository *r, |
720 | const struct object_id *treeish_name, | |
959b5455 HV |
721 | const char *path) |
722 | { | |
3b8fb393 SB |
723 | gitmodules_read_check(r); |
724 | return config_from(r->submodule_cache, treeish_name, path, lookup_path); | |
bf12fcdf BW |
725 | } |
726 | ||
f793b895 | 727 | void submodule_free(struct repository *r) |
bf12fcdf | 728 | { |
f793b895 SB |
729 | if (r->submodule_cache) |
730 | submodule_cache_clear(r->submodule_cache); | |
959b5455 | 731 | } |
ad136370 | 732 | |
bcbc780d AO |
733 | static int config_print_callback(const char *var, const char *value, void *cb_data) |
734 | { | |
735 | char *wanted_key = cb_data; | |
736 | ||
737 | if (!strcmp(wanted_key, var)) | |
738 | printf("%s\n", value); | |
739 | ||
740 | return 0; | |
741 | } | |
742 | ||
743 | int print_config_from_gitmodules(struct repository *repo, const char *key) | |
744 | { | |
745 | int ret; | |
746 | char *store_key; | |
747 | ||
748 | ret = git_config_parse_key(key, &store_key, NULL); | |
749 | if (ret < 0) | |
750 | return CONFIG_INVALID_KEY; | |
751 | ||
752 | config_from_gitmodules(config_print_callback, repo, store_key); | |
753 | ||
754 | free(store_key); | |
755 | return 0; | |
756 | } | |
757 | ||
45f5ef3d AO |
758 | int config_set_in_gitmodules_file_gently(const char *key, const char *value) |
759 | { | |
760 | int ret; | |
761 | ||
762 | ret = git_config_set_in_file_gently(GITMODULES_FILE, key, value); | |
763 | if (ret < 0) | |
764 | /* Maybe the user already did that, don't error out here */ | |
765 | warning(_("Could not update .gitmodules entry %s"), key); | |
766 | ||
767 | return ret; | |
768 | } | |
769 | ||
71a6953d AO |
770 | struct fetch_config { |
771 | int *max_children; | |
772 | int *recurse_submodules; | |
773 | }; | |
774 | ||
775 | static int gitmodules_fetch_config(const char *var, const char *value, void *cb) | |
776 | { | |
777 | struct fetch_config *config = cb; | |
778 | if (!strcmp(var, "submodule.fetchjobs")) { | |
779 | *(config->max_children) = parse_submodule_fetchjobs(var, value); | |
780 | return 0; | |
781 | } else if (!strcmp(var, "fetch.recursesubmodules")) { | |
782 | *(config->recurse_submodules) = parse_fetch_recurse_submodules_arg(var, value); | |
783 | return 0; | |
784 | } | |
785 | ||
786 | return 0; | |
787 | } | |
788 | ||
789 | void fetch_config_from_gitmodules(int *max_children, int *recurse_submodules) | |
790 | { | |
791 | struct fetch_config config = { | |
792 | .max_children = max_children, | |
793 | .recurse_submodules = recurse_submodules | |
794 | }; | |
9a0fb3e7 | 795 | config_from_gitmodules(gitmodules_fetch_config, the_repository, &config); |
71a6953d | 796 | } |
05744997 AO |
797 | |
798 | static int gitmodules_update_clone_config(const char *var, const char *value, | |
799 | void *cb) | |
800 | { | |
801 | int *max_jobs = cb; | |
802 | if (!strcmp(var, "submodule.fetchjobs")) | |
803 | *max_jobs = parse_submodule_fetchjobs(var, value); | |
804 | return 0; | |
805 | } | |
806 | ||
807 | void update_clone_config_from_gitmodules(int *max_jobs) | |
808 | { | |
9a0fb3e7 | 809 | config_from_gitmodules(gitmodules_update_clone_config, the_repository, &max_jobs); |
05744997 | 810 | } |