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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, |
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 | 52 | static 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 |
64 | static struct submodule_cache *submodule_cache_alloc(void) |
65 | { | |
66 | return xcalloc(1, sizeof(struct submodule_cache)); | |
67 | } | |
68 | ||
69 | static 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 | ||
76 | static 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 | 85 | static 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 | ||
108 | void submodule_cache_free(struct submodule_cache *cache) | |
109 | { | |
110 | submodule_cache_clear(cache); | |
111 | free(cache); | |
959b5455 HV |
112 | } |
113 | ||
34caab02 | 114 | static 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 | ||
120 | static 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 | ||
131 | static 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 | ||
144 | static 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 | ||
155 | static 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 | ||
175 | static 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 |
195 | int 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 == '\\') { | |
210 | in_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 |
220 | static 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 | ||
242 | static 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 |
273 | static 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 |
292 | int 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 |
300 | int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg) |
301 | { | |
302 | return parse_fetch_recurse(opt, arg, 1); | |
303 | } | |
304 | ||
886dc154 SB |
305 | int 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 |
326 | static 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 | ||
341 | int parse_update_recurse_submodules_arg(const char *opt, const char *arg) | |
342 | { | |
343 | return parse_update_recurse(opt, arg, 1); | |
344 | } | |
345 | ||
b33a15b0 MC |
346 | static 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 | ||
372 | int parse_push_recurse_submodules_arg(const char *opt, const char *arg) | |
373 | { | |
374 | return parse_push_recurse(opt, arg, 1); | |
375 | } | |
376 | ||
34caab02 | 377 | static 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 |
388 | static 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 |
394 | struct 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 | ||
401 | static 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 |
503 | static 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 | */ | |
525 | static 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, ¶meter, 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 | |
589 | out: | |
590 | strbuf_release(&rev); | |
591 | free(config); | |
592 | return submodule; | |
959b5455 HV |
593 | } |
594 | ||
bf12fcdf | 595 | static 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 | */ | |
614 | static 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 | ||
644 | out: | |
db64d112 AO |
645 | free(file); |
646 | } | |
647 | } | |
648 | ||
1b796ace | 649 | static 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 HV |
657 | parameter.overwrite = 1; |
658 | ||
851e18c3 HV |
659 | return parse_config(var, value, ¶meter); |
660 | } | |
661 | ||
1b796ace | 662 | void repo_read_gitmodules(struct repository *repo) |
bf12fcdf | 663 | { |
ff6f1f56 BW |
664 | submodule_cache_check_init(repo); |
665 | ||
db64d112 AO |
666 | if (repo_read_index(repo) < 0) |
667 | return; | |
1b796ace | 668 | |
db64d112 AO |
669 | if (!is_gitmodules_unmerged(repo->index)) |
670 | config_from_gitmodules(gitmodules_cb, repo, repo); | |
ff6f1f56 BW |
671 | |
672 | repo->submodule_cache->gitmodules_read = 1; | |
1b796ace BW |
673 | } |
674 | ||
675 | void gitmodules_config_oid(const struct object_id *commit_oid) | |
676 | { | |
677 | struct strbuf rev = STRBUF_INIT; | |
678 | struct object_id oid; | |
679 | ||
ff6f1f56 BW |
680 | submodule_cache_check_init(the_repository); |
681 | ||
1b796ace BW |
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); | |
ff6f1f56 BW |
687 | |
688 | the_repository->submodule_cache->gitmodules_read = 1; | |
689 | } | |
690 | ||
691 | static 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); | |
bf12fcdf BW |
698 | } |
699 | ||
3b8fb393 SB |
700 | const struct submodule *submodule_from_name(struct repository *r, |
701 | const struct object_id *treeish_name, | |
959b5455 HV |
702 | const char *name) |
703 | { | |
3b8fb393 SB |
704 | gitmodules_read_check(r); |
705 | return config_from(r->submodule_cache, treeish_name, name, lookup_name); | |
959b5455 HV |
706 | } |
707 | ||
3b8fb393 SB |
708 | const struct submodule *submodule_from_path(struct repository *r, |
709 | const struct object_id *treeish_name, | |
959b5455 HV |
710 | const char *path) |
711 | { | |
3b8fb393 SB |
712 | gitmodules_read_check(r); |
713 | return config_from(r->submodule_cache, treeish_name, path, lookup_path); | |
bf12fcdf BW |
714 | } |
715 | ||
f793b895 | 716 | void submodule_free(struct repository *r) |
bf12fcdf | 717 | { |
f793b895 SB |
718 | if (r->submodule_cache) |
719 | submodule_cache_clear(r->submodule_cache); | |
959b5455 | 720 | } |
ad136370 | 721 | |
bcbc780d AO |
722 | static 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 | ||
732 | int 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 | ||
45f5ef3d AO |
747 | int 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 | ||
71a6953d AO |
759 | struct fetch_config { |
760 | int *max_children; | |
761 | int *recurse_submodules; | |
762 | }; | |
763 | ||
764 | static 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 | ||
778 | void 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 | } |
05744997 AO |
786 | |
787 | static 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 | ||
796 | void update_clone_config_from_gitmodules(int *max_jobs) | |
797 | { | |
9a0fb3e7 | 798 | config_from_gitmodules(gitmodules_update_clone_config, the_repository, &max_jobs); |
05744997 | 799 | } |