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Commit | Line | Data |
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d812c3b6 | 1 | #include "git-compat-util.h" |
76e9bdc4 | 2 | #include "dir.h" |
32a8f510 | 3 | #include "environment.h" |
f394e093 | 4 | #include "gettext.h" |
41771fa4 | 5 | #include "hex.h" |
c339932b | 6 | #include "path.h" |
bf12fcdf | 7 | #include "repository.h" |
b2141fc1 | 8 | #include "config.h" |
959b5455 HV |
9 | #include "submodule-config.h" |
10 | #include "submodule.h" | |
11 | #include "strbuf.h" | |
dabab1d6 | 12 | #include "object-name.h" |
a034e910 | 13 | #include "object-store-ll.h" |
886dc154 | 14 | #include "parse-options.h" |
e3d2f20e | 15 | #include "thread-utils.h" |
961b130d | 16 | #include "tree-walk.h" |
959b5455 HV |
17 | |
18 | /* | |
19 | * submodule cache lookup structure | |
20 | * There is one shared set of 'struct submodule' entries which can be | |
5aea9fe6 | 21 | * looked up by their sha1 blob id of the .gitmodules file and either |
959b5455 HV |
22 | * using path or name as key. |
23 | * for_path stores submodule entries with path as key | |
24 | * for_name stores submodule entries with name as key | |
25 | */ | |
26 | struct submodule_cache { | |
27 | struct hashmap for_path; | |
28 | struct hashmap for_name; | |
bf12fcdf | 29 | unsigned initialized:1; |
ff6f1f56 | 30 | unsigned gitmodules_read:1; |
959b5455 HV |
31 | }; |
32 | ||
33 | /* | |
34 | * thin wrapper struct needed to insert 'struct submodule' entries to | |
35 | * the hashmap | |
36 | */ | |
37 | struct submodule_entry { | |
38 | struct hashmap_entry ent; | |
39 | struct submodule *config; | |
40 | }; | |
41 | ||
42 | enum lookup_type { | |
43 | lookup_name, | |
44 | lookup_path | |
45 | }; | |
46 | ||
5cf88fd8 | 47 | static int config_path_cmp(const void *cmp_data UNUSED, |
939af16e EW |
48 | const struct hashmap_entry *eptr, |
49 | const struct hashmap_entry *entry_or_key, | |
5cf88fd8 | 50 | const void *keydata UNUSED) |
959b5455 | 51 | { |
939af16e EW |
52 | const struct submodule_entry *a, *b; |
53 | ||
54 | a = container_of(eptr, const struct submodule_entry, ent); | |
55 | b = container_of(entry_or_key, const struct submodule_entry, ent); | |
152cbdc6 | 56 | |
959b5455 | 57 | return strcmp(a->config->path, b->config->path) || |
9001dc2a | 58 | !oideq(&a->config->gitmodules_oid, &b->config->gitmodules_oid); |
959b5455 HV |
59 | } |
60 | ||
5cf88fd8 | 61 | static int config_name_cmp(const void *cmp_data UNUSED, |
939af16e EW |
62 | const struct hashmap_entry *eptr, |
63 | const struct hashmap_entry *entry_or_key, | |
5cf88fd8 | 64 | const void *keydata UNUSED) |
959b5455 | 65 | { |
939af16e EW |
66 | const struct submodule_entry *a, *b; |
67 | ||
68 | a = container_of(eptr, const struct submodule_entry, ent); | |
69 | b = container_of(entry_or_key, const struct submodule_entry, ent); | |
152cbdc6 | 70 | |
959b5455 | 71 | return strcmp(a->config->name, b->config->name) || |
9001dc2a | 72 | !oideq(&a->config->gitmodules_oid, &b->config->gitmodules_oid); |
959b5455 HV |
73 | } |
74 | ||
bf12fcdf BW |
75 | static struct submodule_cache *submodule_cache_alloc(void) |
76 | { | |
77 | return xcalloc(1, sizeof(struct submodule_cache)); | |
78 | } | |
79 | ||
80 | static void submodule_cache_init(struct submodule_cache *cache) | |
959b5455 | 81 | { |
152cbdc6 SB |
82 | hashmap_init(&cache->for_path, config_path_cmp, NULL, 0); |
83 | hashmap_init(&cache->for_name, config_name_cmp, NULL, 0); | |
bf12fcdf | 84 | cache->initialized = 1; |
959b5455 HV |
85 | } |
86 | ||
87 | static void free_one_config(struct submodule_entry *entry) | |
88 | { | |
89 | free((void *) entry->config->path); | |
90 | free((void *) entry->config->name); | |
b5944f34 | 91 | free((void *) entry->config->branch); |
ea2fa5a3 | 92 | free((void *) entry->config->update_strategy.command); |
959b5455 HV |
93 | free(entry->config); |
94 | } | |
95 | ||
bf12fcdf | 96 | static void submodule_cache_clear(struct submodule_cache *cache) |
959b5455 HV |
97 | { |
98 | struct hashmap_iter iter; | |
99 | struct submodule_entry *entry; | |
100 | ||
bf12fcdf BW |
101 | if (!cache->initialized) |
102 | return; | |
103 | ||
959b5455 HV |
104 | /* |
105 | * We iterate over the name hash here to be symmetric with the | |
106 | * allocation of struct submodule entries. Each is allocated by | |
5aea9fe6 | 107 | * their .gitmodules blob sha1 and submodule name. |
959b5455 | 108 | */ |
87571c3f | 109 | hashmap_for_each_entry(&cache->for_name, &iter, entry, |
23dee69f | 110 | ent /* member name */) |
959b5455 HV |
111 | free_one_config(entry); |
112 | ||
6da1a258 EN |
113 | hashmap_clear_and_free(&cache->for_path, struct submodule_entry, ent); |
114 | hashmap_clear_and_free(&cache->for_name, struct submodule_entry, ent); | |
bf12fcdf | 115 | cache->initialized = 0; |
ff6f1f56 | 116 | cache->gitmodules_read = 0; |
bf12fcdf BW |
117 | } |
118 | ||
119 | void submodule_cache_free(struct submodule_cache *cache) | |
120 | { | |
121 | submodule_cache_clear(cache); | |
122 | free(cache); | |
959b5455 HV |
123 | } |
124 | ||
34caab02 | 125 | static unsigned int hash_oid_string(const struct object_id *oid, |
126 | const char *string) | |
959b5455 | 127 | { |
34caab02 | 128 | return memhash(oid->hash, the_hash_algo->rawsz) + strhash(string); |
959b5455 HV |
129 | } |
130 | ||
131 | static void cache_put_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 | 136 | struct submodule_entry *e = xmalloc(sizeof(*e)); |
d22245a2 | 137 | hashmap_entry_init(&e->ent, hash); |
959b5455 | 138 | e->config = submodule; |
26b455f2 | 139 | hashmap_put(&cache->for_path, &e->ent); |
959b5455 HV |
140 | } |
141 | ||
142 | static void cache_remove_path(struct submodule_cache *cache, | |
143 | struct submodule *submodule) | |
144 | { | |
34caab02 | 145 | unsigned int hash = hash_oid_string(&submodule->gitmodules_oid, |
146 | submodule->path); | |
959b5455 HV |
147 | struct submodule_entry e; |
148 | struct submodule_entry *removed; | |
d22245a2 | 149 | hashmap_entry_init(&e.ent, hash); |
959b5455 | 150 | e.config = submodule; |
404ab78e | 151 | removed = hashmap_remove_entry(&cache->for_path, &e, ent, NULL); |
959b5455 HV |
152 | free(removed); |
153 | } | |
154 | ||
155 | static void cache_add(struct submodule_cache *cache, | |
156 | struct submodule *submodule) | |
157 | { | |
34caab02 | 158 | unsigned int hash = hash_oid_string(&submodule->gitmodules_oid, |
159 | submodule->name); | |
959b5455 | 160 | struct submodule_entry *e = xmalloc(sizeof(*e)); |
d22245a2 | 161 | hashmap_entry_init(&e->ent, hash); |
959b5455 | 162 | e->config = submodule; |
b94e5c1d | 163 | hashmap_add(&cache->for_name, &e->ent); |
959b5455 HV |
164 | } |
165 | ||
166 | static const struct submodule *cache_lookup_path(struct submodule_cache *cache, | |
34caab02 | 167 | const struct object_id *gitmodules_oid, const char *path) |
959b5455 HV |
168 | { |
169 | struct submodule_entry *entry; | |
34caab02 | 170 | unsigned int hash = hash_oid_string(gitmodules_oid, path); |
959b5455 HV |
171 | struct submodule_entry key; |
172 | struct submodule key_config; | |
173 | ||
34caab02 | 174 | oidcpy(&key_config.gitmodules_oid, gitmodules_oid); |
959b5455 HV |
175 | key_config.path = path; |
176 | ||
d22245a2 | 177 | hashmap_entry_init(&key.ent, hash); |
959b5455 HV |
178 | key.config = &key_config; |
179 | ||
404ab78e | 180 | entry = hashmap_get_entry(&cache->for_path, &key, ent, NULL); |
959b5455 HV |
181 | if (entry) |
182 | return entry->config; | |
183 | return NULL; | |
184 | } | |
185 | ||
186 | static struct submodule *cache_lookup_name(struct submodule_cache *cache, | |
34caab02 | 187 | const struct object_id *gitmodules_oid, const char *name) |
959b5455 HV |
188 | { |
189 | struct submodule_entry *entry; | |
34caab02 | 190 | unsigned int hash = hash_oid_string(gitmodules_oid, name); |
959b5455 HV |
191 | struct submodule_entry key; |
192 | struct submodule key_config; | |
193 | ||
34caab02 | 194 | oidcpy(&key_config.gitmodules_oid, gitmodules_oid); |
959b5455 HV |
195 | key_config.name = name; |
196 | ||
d22245a2 | 197 | hashmap_entry_init(&key.ent, hash); |
959b5455 HV |
198 | key.config = &key_config; |
199 | ||
404ab78e | 200 | entry = hashmap_get_entry(&cache->for_name, &key, ent, NULL); |
959b5455 HV |
201 | if (entry) |
202 | return entry->config; | |
203 | return NULL; | |
204 | } | |
205 | ||
0383bbb9 JK |
206 | int check_submodule_name(const char *name) |
207 | { | |
208 | /* Disallow empty names */ | |
209 | if (!*name) | |
210 | return -1; | |
211 | ||
212 | /* | |
9fd512c8 | 213 | * Look for '..' as a path component. Check is_xplatform_dir_sep() as |
0383bbb9 JK |
214 | * separators rather than is_dir_sep(), because we want the name rules |
215 | * to be consistent across platforms. | |
216 | */ | |
217 | goto in_component; /* always start inside component */ | |
218 | while (*name) { | |
219 | char c = *name++; | |
9fd512c8 | 220 | if (is_xplatform_dir_sep(c)) { |
0383bbb9 JK |
221 | in_component: |
222 | if (name[0] == '.' && name[1] == '.' && | |
9fd512c8 | 223 | (!name[2] || is_xplatform_dir_sep(name[2]))) |
0383bbb9 JK |
224 | return -1; |
225 | } | |
226 | } | |
227 | ||
228 | return 0; | |
229 | } | |
230 | ||
959b5455 HV |
231 | static int name_and_item_from_var(const char *var, struct strbuf *name, |
232 | struct strbuf *item) | |
233 | { | |
234 | const char *subsection, *key; | |
f5914f4b JK |
235 | size_t subsection_len; |
236 | int parse; | |
959b5455 HV |
237 | parse = parse_config_key(var, "submodule", &subsection, |
238 | &subsection_len, &key); | |
239 | if (parse < 0 || !subsection) | |
240 | return 0; | |
241 | ||
242 | strbuf_add(name, subsection, subsection_len); | |
0383bbb9 JK |
243 | if (check_submodule_name(name->buf) < 0) { |
244 | warning(_("ignoring suspicious submodule name: %s"), name->buf); | |
245 | strbuf_release(name); | |
246 | return 0; | |
247 | } | |
248 | ||
959b5455 HV |
249 | strbuf_addstr(item, key); |
250 | ||
251 | return 1; | |
252 | } | |
253 | ||
254 | static struct submodule *lookup_or_create_by_name(struct submodule_cache *cache, | |
34caab02 | 255 | const struct object_id *gitmodules_oid, const char *name) |
959b5455 HV |
256 | { |
257 | struct submodule *submodule; | |
258 | struct strbuf name_buf = STRBUF_INIT; | |
259 | ||
34caab02 | 260 | submodule = cache_lookup_name(cache, gitmodules_oid, name); |
959b5455 HV |
261 | if (submodule) |
262 | return submodule; | |
263 | ||
264 | submodule = xmalloc(sizeof(*submodule)); | |
265 | ||
266 | strbuf_addstr(&name_buf, name); | |
267 | submodule->name = strbuf_detach(&name_buf, NULL); | |
268 | ||
269 | submodule->path = NULL; | |
270 | submodule->url = NULL; | |
ea2fa5a3 SB |
271 | submodule->update_strategy.type = SM_UPDATE_UNSPECIFIED; |
272 | submodule->update_strategy.command = NULL; | |
959b5455 HV |
273 | submodule->fetch_recurse = RECURSE_SUBMODULES_NONE; |
274 | submodule->ignore = NULL; | |
b5944f34 | 275 | submodule->branch = NULL; |
37f52e93 | 276 | submodule->recommend_shallow = -1; |
959b5455 | 277 | |
34caab02 | 278 | oidcpy(&submodule->gitmodules_oid, gitmodules_oid); |
959b5455 HV |
279 | |
280 | cache_add(cache, submodule); | |
281 | ||
282 | return submodule; | |
283 | } | |
284 | ||
027771fc HV |
285 | static int parse_fetch_recurse(const char *opt, const char *arg, |
286 | int die_on_error) | |
287 | { | |
89576613 | 288 | switch (git_parse_maybe_bool(arg)) { |
027771fc HV |
289 | case 1: |
290 | return RECURSE_SUBMODULES_ON; | |
291 | case 0: | |
292 | return RECURSE_SUBMODULES_OFF; | |
293 | default: | |
294 | if (!strcmp(arg, "on-demand")) | |
295 | return RECURSE_SUBMODULES_ON_DEMAND; | |
5a59a230 NTND |
296 | /* |
297 | * Please update $__git_fetch_recurse_submodules in | |
298 | * git-completion.bash when you add new options. | |
299 | */ | |
027771fc HV |
300 | if (die_on_error) |
301 | die("bad %s argument: %s", opt, arg); | |
302 | else | |
303 | return RECURSE_SUBMODULES_ERROR; | |
304 | } | |
305 | } | |
306 | ||
8868b1eb GC |
307 | int parse_submodule_fetchjobs(const char *var, const char *value, |
308 | const struct key_value_info *kvi) | |
f20e7c1e | 309 | { |
8868b1eb | 310 | int fetchjobs = git_config_int(var, value, kvi); |
f20e7c1e | 311 | if (fetchjobs < 0) |
b4eda05d | 312 | die(_("negative values not allowed for submodule.fetchJobs")); |
51243f9f ÆAB |
313 | if (!fetchjobs) |
314 | fetchjobs = online_cpus(); | |
f20e7c1e BW |
315 | return fetchjobs; |
316 | } | |
317 | ||
027771fc HV |
318 | int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg) |
319 | { | |
320 | return parse_fetch_recurse(opt, arg, 1); | |
321 | } | |
322 | ||
886dc154 SB |
323 | int option_fetch_parse_recurse_submodules(const struct option *opt, |
324 | const char *arg, int unset) | |
325 | { | |
326 | int *v; | |
327 | ||
328 | if (!opt->value) | |
329 | return -1; | |
330 | ||
331 | v = opt->value; | |
332 | ||
333 | if (unset) { | |
334 | *v = RECURSE_SUBMODULES_OFF; | |
335 | } else { | |
336 | if (arg) | |
337 | *v = parse_fetch_recurse_submodules_arg(opt->long_name, arg); | |
338 | else | |
339 | *v = RECURSE_SUBMODULES_ON; | |
340 | } | |
341 | return 0; | |
342 | } | |
343 | ||
d601fd09 SB |
344 | static int parse_update_recurse(const char *opt, const char *arg, |
345 | int die_on_error) | |
346 | { | |
bdfcdefd | 347 | switch (git_parse_maybe_bool(arg)) { |
d601fd09 SB |
348 | case 1: |
349 | return RECURSE_SUBMODULES_ON; | |
350 | case 0: | |
351 | return RECURSE_SUBMODULES_OFF; | |
352 | default: | |
353 | if (die_on_error) | |
354 | die("bad %s argument: %s", opt, arg); | |
355 | return RECURSE_SUBMODULES_ERROR; | |
356 | } | |
357 | } | |
358 | ||
359 | int parse_update_recurse_submodules_arg(const char *opt, const char *arg) | |
360 | { | |
361 | return parse_update_recurse(opt, arg, 1); | |
362 | } | |
363 | ||
b33a15b0 MC |
364 | static int parse_push_recurse(const char *opt, const char *arg, |
365 | int die_on_error) | |
366 | { | |
89576613 | 367 | switch (git_parse_maybe_bool(arg)) { |
b33a15b0 MC |
368 | case 1: |
369 | /* There's no simple "on" value when pushing */ | |
370 | if (die_on_error) | |
371 | die("bad %s argument: %s", opt, arg); | |
372 | else | |
373 | return RECURSE_SUBMODULES_ERROR; | |
374 | case 0: | |
375 | return RECURSE_SUBMODULES_OFF; | |
376 | default: | |
377 | if (!strcmp(arg, "on-demand")) | |
378 | return RECURSE_SUBMODULES_ON_DEMAND; | |
379 | else if (!strcmp(arg, "check")) | |
380 | return RECURSE_SUBMODULES_CHECK; | |
6c656c3f BW |
381 | else if (!strcmp(arg, "only")) |
382 | return RECURSE_SUBMODULES_ONLY; | |
5a59a230 NTND |
383 | /* |
384 | * Please update $__git_push_recurse_submodules in | |
385 | * git-completion.bash when you add new modes. | |
386 | */ | |
b33a15b0 MC |
387 | else if (die_on_error) |
388 | die("bad %s argument: %s", opt, arg); | |
389 | else | |
390 | return RECURSE_SUBMODULES_ERROR; | |
391 | } | |
392 | } | |
393 | ||
394 | int parse_push_recurse_submodules_arg(const char *opt, const char *arg) | |
395 | { | |
396 | return parse_push_recurse(opt, arg, 1); | |
397 | } | |
398 | ||
34caab02 | 399 | static void warn_multiple_config(const struct object_id *treeish_name, |
959b5455 HV |
400 | const char *name, const char *option) |
401 | { | |
402 | const char *commit_string = "WORKTREE"; | |
73c293bb | 403 | if (treeish_name) |
34caab02 | 404 | commit_string = oid_to_hex(treeish_name); |
959b5455 HV |
405 | warning("%s:.gitmodules, multiple configurations found for " |
406 | "'submodule.%s.%s'. Skipping second one!", | |
407 | commit_string, name, option); | |
408 | } | |
409 | ||
f6adec4e JK |
410 | static void warn_command_line_option(const char *var, const char *value) |
411 | { | |
412 | warning(_("ignoring '%s' which may be interpreted as" | |
413 | " a command-line option: %s"), var, value); | |
414 | } | |
415 | ||
959b5455 HV |
416 | struct parse_config_parameter { |
417 | struct submodule_cache *cache; | |
34caab02 | 418 | const struct object_id *treeish_name; |
419 | const struct object_id *gitmodules_oid; | |
959b5455 HV |
420 | int overwrite; |
421 | }; | |
422 | ||
e904deb8 JN |
423 | /* |
424 | * Parse a config item from .gitmodules. | |
425 | * | |
426 | * This does not handle submodule-related configuration from the main | |
427 | * config store (.git/config, etc). Callers are responsible for | |
428 | * checking for overrides in the main config store when appropriate. | |
429 | */ | |
a4e7e317 GC |
430 | static int parse_config(const char *var, const char *value, |
431 | const struct config_context *ctx UNUSED, void *data) | |
959b5455 HV |
432 | { |
433 | struct parse_config_parameter *me = data; | |
434 | struct submodule *submodule; | |
435 | struct strbuf name = STRBUF_INIT, item = STRBUF_INIT; | |
436 | int ret = 0; | |
437 | ||
438 | /* this also ensures that we only parse submodule entries */ | |
439 | if (!name_and_item_from_var(var, &name, &item)) | |
440 | return 0; | |
441 | ||
147875fd | 442 | submodule = lookup_or_create_by_name(me->cache, |
34caab02 | 443 | me->gitmodules_oid, |
147875fd | 444 | name.buf); |
959b5455 HV |
445 | |
446 | if (!strcmp(item.buf, "path")) { | |
147875fd | 447 | if (!value) |
959b5455 | 448 | ret = config_error_nonbool(var); |
273c6149 JK |
449 | else if (looks_like_command_line_option(value)) |
450 | warn_command_line_option(var, value); | |
f73da110 | 451 | else if (!me->overwrite && submodule->path) |
73c293bb | 452 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 453 | "path"); |
147875fd SB |
454 | else { |
455 | if (submodule->path) | |
456 | cache_remove_path(me->cache, submodule); | |
457 | free((void *) submodule->path); | |
458 | submodule->path = xstrdup(value); | |
459 | cache_put_path(me->cache, submodule); | |
959b5455 | 460 | } |
959b5455 | 461 | } else if (!strcmp(item.buf, "fetchrecursesubmodules")) { |
027771fc | 462 | /* when parsing worktree configurations we can die early */ |
34caab02 | 463 | int die_on_error = is_null_oid(me->gitmodules_oid); |
959b5455 | 464 | if (!me->overwrite && |
147875fd | 465 | submodule->fetch_recurse != RECURSE_SUBMODULES_NONE) |
73c293bb | 466 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 467 | "fetchrecursesubmodules"); |
147875fd SB |
468 | else |
469 | submodule->fetch_recurse = parse_fetch_recurse( | |
470 | var, value, | |
027771fc | 471 | die_on_error); |
959b5455 | 472 | } else if (!strcmp(item.buf, "ignore")) { |
147875fd SB |
473 | if (!value) |
474 | ret = config_error_nonbool(var); | |
f73da110 | 475 | else if (!me->overwrite && submodule->ignore) |
73c293bb | 476 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 477 | "ignore"); |
147875fd SB |
478 | else if (strcmp(value, "untracked") && |
479 | strcmp(value, "dirty") && | |
480 | strcmp(value, "all") && | |
481 | strcmp(value, "none")) | |
959b5455 | 482 | warning("Invalid parameter '%s' for config option " |
5ea30489 | 483 | "'submodule.%s.ignore'", value, name.buf); |
147875fd SB |
484 | else { |
485 | free((void *) submodule->ignore); | |
486 | submodule->ignore = xstrdup(value); | |
959b5455 | 487 | } |
959b5455 | 488 | } else if (!strcmp(item.buf, "url")) { |
959b5455 HV |
489 | if (!value) { |
490 | ret = config_error_nonbool(var); | |
f6adec4e JK |
491 | } else if (looks_like_command_line_option(value)) { |
492 | warn_command_line_option(var, value); | |
f73da110 | 493 | } else if (!me->overwrite && submodule->url) { |
73c293bb | 494 | warn_multiple_config(me->treeish_name, submodule->name, |
959b5455 | 495 | "url"); |
147875fd SB |
496 | } else { |
497 | free((void *) submodule->url); | |
498 | submodule->url = xstrdup(value); | |
959b5455 | 499 | } |
ea2fa5a3 SB |
500 | } else if (!strcmp(item.buf, "update")) { |
501 | if (!value) | |
502 | ret = config_error_nonbool(var); | |
503 | else if (!me->overwrite && | |
504 | submodule->update_strategy.type != SM_UPDATE_UNSPECIFIED) | |
73c293bb | 505 | warn_multiple_config(me->treeish_name, submodule->name, |
ea2fa5a3 SB |
506 | "update"); |
507 | else if (parse_submodule_update_strategy(value, | |
e904deb8 JN |
508 | &submodule->update_strategy) < 0 || |
509 | submodule->update_strategy.type == SM_UPDATE_COMMAND) | |
1a8aea85 | 510 | die(_("invalid value for '%s'"), var); |
37f52e93 SB |
511 | } else if (!strcmp(item.buf, "shallow")) { |
512 | if (!me->overwrite && submodule->recommend_shallow != -1) | |
73c293bb | 513 | warn_multiple_config(me->treeish_name, submodule->name, |
37f52e93 | 514 | "shallow"); |
b5944f34 | 515 | else |
37f52e93 SB |
516 | submodule->recommend_shallow = |
517 | git_config_bool(var, value); | |
b5944f34 SB |
518 | } else if (!strcmp(item.buf, "branch")) { |
519 | if (!me->overwrite && submodule->branch) | |
73c293bb | 520 | warn_multiple_config(me->treeish_name, submodule->name, |
b5944f34 SB |
521 | "branch"); |
522 | else { | |
523 | free((void *)submodule->branch); | |
524 | submodule->branch = xstrdup(value); | |
37f52e93 | 525 | } |
959b5455 HV |
526 | } |
527 | ||
959b5455 HV |
528 | strbuf_release(&name); |
529 | strbuf_release(&item); | |
530 | ||
531 | return ret; | |
532 | } | |
533 | ||
1b796ace BW |
534 | static int gitmodule_oid_from_commit(const struct object_id *treeish_name, |
535 | struct object_id *gitmodules_oid, | |
536 | struct strbuf *rev) | |
959b5455 | 537 | { |
959b5455 HV |
538 | int ret = 0; |
539 | ||
cd73de47 | 540 | if (is_null_oid(treeish_name)) { |
541 | oidclr(gitmodules_oid); | |
959b5455 HV |
542 | return 1; |
543 | } | |
544 | ||
cd73de47 | 545 | strbuf_addf(rev, "%s:.gitmodules", oid_to_hex(treeish_name)); |
d850b7a5 | 546 | if (repo_get_oid(the_repository, rev->buf, gitmodules_oid) >= 0) |
959b5455 HV |
547 | ret = 1; |
548 | ||
959b5455 HV |
549 | return ret; |
550 | } | |
551 | ||
552 | /* This does a lookup of a submodule configuration by name or by path | |
553 | * (key) with on-demand reading of the appropriate .gitmodules from | |
554 | * revisions. | |
555 | */ | |
556 | static const struct submodule *config_from(struct submodule_cache *cache, | |
cd73de47 | 557 | const struct object_id *treeish_name, const char *key, |
959b5455 HV |
558 | enum lookup_type lookup_type) |
559 | { | |
560 | struct strbuf rev = STRBUF_INIT; | |
561 | unsigned long config_size; | |
0918e250 | 562 | char *config = NULL; |
cd73de47 | 563 | struct object_id oid; |
959b5455 HV |
564 | enum object_type type; |
565 | const struct submodule *submodule = NULL; | |
566 | struct parse_config_parameter parameter; | |
567 | ||
568 | /* | |
569 | * If any parameter except the cache is a NULL pointer just | |
570 | * return the first submodule. Can be used to check whether | |
571 | * there are any submodules parsed. | |
572 | */ | |
73c293bb | 573 | if (!treeish_name || !key) { |
959b5455 HV |
574 | struct hashmap_iter iter; |
575 | struct submodule_entry *entry; | |
576 | ||
87571c3f EW |
577 | entry = hashmap_iter_first_entry(&cache->for_name, &iter, |
578 | struct submodule_entry, | |
579 | ent /* member name */); | |
959b5455 HV |
580 | if (!entry) |
581 | return NULL; | |
582 | return entry->config; | |
583 | } | |
584 | ||
cd73de47 | 585 | if (!gitmodule_oid_from_commit(treeish_name, &oid, &rev)) |
0918e250 | 586 | goto out; |
959b5455 HV |
587 | |
588 | switch (lookup_type) { | |
589 | case lookup_name: | |
34caab02 | 590 | submodule = cache_lookup_name(cache, &oid, key); |
959b5455 HV |
591 | break; |
592 | case lookup_path: | |
34caab02 | 593 | submodule = cache_lookup_path(cache, &oid, key); |
959b5455 HV |
594 | break; |
595 | } | |
596 | if (submodule) | |
0918e250 | 597 | goto out; |
959b5455 | 598 | |
bc726bd0 ÆAB |
599 | config = repo_read_object_file(the_repository, &oid, &type, |
600 | &config_size); | |
0918e250 HV |
601 | if (!config || type != OBJ_BLOB) |
602 | goto out; | |
959b5455 HV |
603 | |
604 | /* fill the submodule config into the cache */ | |
605 | parameter.cache = cache; | |
34caab02 | 606 | parameter.treeish_name = treeish_name; |
607 | parameter.gitmodules_oid = &oid; | |
959b5455 | 608 | parameter.overwrite = 0; |
1b8132d9 | 609 | git_config_from_mem(parse_config, CONFIG_ORIGIN_SUBMODULE_BLOB, rev.buf, |
809d8680 | 610 | config, config_size, ¶meter, CONFIG_SCOPE_UNKNOWN, NULL); |
514dea90 | 611 | strbuf_release(&rev); |
959b5455 HV |
612 | free(config); |
613 | ||
614 | switch (lookup_type) { | |
615 | case lookup_name: | |
34caab02 | 616 | return cache_lookup_name(cache, &oid, key); |
959b5455 | 617 | case lookup_path: |
34caab02 | 618 | return cache_lookup_path(cache, &oid, key); |
959b5455 HV |
619 | default: |
620 | return NULL; | |
621 | } | |
0918e250 HV |
622 | |
623 | out: | |
624 | strbuf_release(&rev); | |
625 | free(config); | |
626 | return submodule; | |
959b5455 HV |
627 | } |
628 | ||
bf12fcdf | 629 | static void submodule_cache_check_init(struct repository *repo) |
959b5455 | 630 | { |
bf12fcdf | 631 | if (repo->submodule_cache && repo->submodule_cache->initialized) |
959b5455 HV |
632 | return; |
633 | ||
bf12fcdf BW |
634 | if (!repo->submodule_cache) |
635 | repo->submodule_cache = submodule_cache_alloc(); | |
636 | ||
637 | submodule_cache_init(repo->submodule_cache); | |
959b5455 HV |
638 | } |
639 | ||
db64d112 AO |
640 | /* |
641 | * Note: This function is private for a reason, the '.gitmodules' file should | |
571fb965 | 642 | * not be used as a mechanism to retrieve arbitrary configuration stored in |
db64d112 AO |
643 | * the repository. |
644 | * | |
645 | * Runs the provided config function on the '.gitmodules' file found in the | |
646 | * working directory. | |
647 | */ | |
648 | static void config_from_gitmodules(config_fn_t fn, struct repository *repo, void *data) | |
649 | { | |
650 | if (repo->worktree) { | |
9a83d088 MR |
651 | struct git_config_source config_source = { |
652 | 0, .scope = CONFIG_SCOPE_SUBMODULE | |
653 | }; | |
76e9bdc4 AO |
654 | const struct config_options opts = { 0 }; |
655 | struct object_id oid; | |
656 | char *file; | |
d9b8b8f8 | 657 | char *oidstr = NULL; |
76e9bdc4 AO |
658 | |
659 | file = repo_worktree_path(repo, GITMODULES_FILE); | |
660 | if (file_exists(file)) { | |
661 | config_source.file = file; | |
d9b8b8f8 NTND |
662 | } else if (repo_get_oid(repo, GITMODULES_INDEX, &oid) >= 0 || |
663 | repo_get_oid(repo, GITMODULES_HEAD, &oid) >= 0) { | |
664 | config_source.blob = oidstr = xstrdup(oid_to_hex(&oid)); | |
665 | if (repo != the_repository) | |
e3e8bf04 | 666 | add_submodule_odb_by_path(repo->objects->odb->path); |
76e9bdc4 AO |
667 | } else { |
668 | goto out; | |
669 | } | |
670 | ||
9b6b06c1 | 671 | config_with_options(fn, data, &config_source, repo, &opts); |
76e9bdc4 AO |
672 | |
673 | out: | |
d9b8b8f8 | 674 | free(oidstr); |
db64d112 AO |
675 | free(file); |
676 | } | |
677 | } | |
678 | ||
a4e7e317 GC |
679 | static int gitmodules_cb(const char *var, const char *value, |
680 | const struct config_context *ctx, void *data) | |
851e18c3 | 681 | { |
1b796ace | 682 | struct repository *repo = data; |
851e18c3 | 683 | struct parse_config_parameter parameter; |
bf12fcdf | 684 | |
bf12fcdf | 685 | parameter.cache = repo->submodule_cache; |
73c293bb | 686 | parameter.treeish_name = NULL; |
14228447 | 687 | parameter.gitmodules_oid = null_oid(); |
851e18c3 HV |
688 | parameter.overwrite = 1; |
689 | ||
a4e7e317 | 690 | return parse_config(var, value, ctx, ¶meter); |
851e18c3 HV |
691 | } |
692 | ||
d7992421 | 693 | void repo_read_gitmodules(struct repository *repo, int skip_if_read) |
bf12fcdf | 694 | { |
ff6f1f56 BW |
695 | submodule_cache_check_init(repo); |
696 | ||
d7992421 MT |
697 | if (repo->submodule_cache->gitmodules_read && skip_if_read) |
698 | return; | |
699 | ||
db64d112 AO |
700 | if (repo_read_index(repo) < 0) |
701 | return; | |
1b796ace | 702 | |
db64d112 AO |
703 | if (!is_gitmodules_unmerged(repo->index)) |
704 | config_from_gitmodules(gitmodules_cb, repo, repo); | |
ff6f1f56 BW |
705 | |
706 | repo->submodule_cache->gitmodules_read = 1; | |
1b796ace BW |
707 | } |
708 | ||
709 | void gitmodules_config_oid(const struct object_id *commit_oid) | |
710 | { | |
711 | struct strbuf rev = STRBUF_INIT; | |
712 | struct object_id oid; | |
713 | ||
ff6f1f56 BW |
714 | submodule_cache_check_init(the_repository); |
715 | ||
1b796ace BW |
716 | if (gitmodule_oid_from_commit(commit_oid, &oid, &rev)) { |
717 | git_config_from_blob_oid(gitmodules_cb, rev.buf, | |
809d8680 GC |
718 | the_repository, &oid, the_repository, |
719 | CONFIG_SCOPE_UNKNOWN); | |
1b796ace BW |
720 | } |
721 | strbuf_release(&rev); | |
ff6f1f56 BW |
722 | |
723 | the_repository->submodule_cache->gitmodules_read = 1; | |
724 | } | |
725 | ||
3b8fb393 SB |
726 | const struct submodule *submodule_from_name(struct repository *r, |
727 | const struct object_id *treeish_name, | |
959b5455 HV |
728 | const char *name) |
729 | { | |
d7992421 | 730 | repo_read_gitmodules(r, 1); |
3b8fb393 | 731 | return config_from(r->submodule_cache, treeish_name, name, lookup_name); |
959b5455 HV |
732 | } |
733 | ||
3b8fb393 SB |
734 | const struct submodule *submodule_from_path(struct repository *r, |
735 | const struct object_id *treeish_name, | |
959b5455 HV |
736 | const char *path) |
737 | { | |
d7992421 | 738 | repo_read_gitmodules(r, 1); |
3b8fb393 | 739 | return config_from(r->submodule_cache, treeish_name, path, lookup_path); |
bf12fcdf BW |
740 | } |
741 | ||
961b130d GC |
742 | /** |
743 | * Used internally by submodules_of_tree(). Recurses into 'treeish_name' | |
744 | * and appends submodule entries to 'out'. The submodule_cache expects | |
745 | * a root-level treeish_name and paths, so keep track of these values | |
746 | * with 'root_tree' and 'prefix'. | |
747 | */ | |
748 | static void traverse_tree_submodules(struct repository *r, | |
749 | const struct object_id *root_tree, | |
750 | char *prefix, | |
751 | const struct object_id *treeish_name, | |
752 | struct submodule_entry_list *out) | |
753 | { | |
754 | struct tree_desc tree; | |
755 | struct submodule_tree_entry *st_entry; | |
756 | struct name_entry *name_entry; | |
757 | char *tree_path = NULL; | |
758 | ||
759 | name_entry = xmalloc(sizeof(*name_entry)); | |
760 | ||
761 | fill_tree_descriptor(r, &tree, treeish_name); | |
762 | while (tree_entry(&tree, name_entry)) { | |
763 | if (prefix) | |
764 | tree_path = | |
765 | mkpathdup("%s/%s", prefix, name_entry->path); | |
766 | else | |
767 | tree_path = xstrdup(name_entry->path); | |
768 | ||
769 | if (S_ISGITLINK(name_entry->mode) && | |
770 | is_tree_submodule_active(r, root_tree, tree_path)) { | |
f5355922 JS |
771 | ALLOC_GROW(out->entries, out->entry_nr + 1, |
772 | out->entry_alloc); | |
773 | st_entry = &out->entries[out->entry_nr++]; | |
774 | ||
961b130d GC |
775 | st_entry->name_entry = xmalloc(sizeof(*st_entry->name_entry)); |
776 | *st_entry->name_entry = *name_entry; | |
777 | st_entry->submodule = | |
778 | submodule_from_path(r, root_tree, tree_path); | |
779 | st_entry->repo = xmalloc(sizeof(*st_entry->repo)); | |
780 | if (repo_submodule_init(st_entry->repo, r, tree_path, | |
781 | root_tree)) | |
782 | FREE_AND_NULL(st_entry->repo); | |
783 | ||
961b130d GC |
784 | } else if (S_ISDIR(name_entry->mode)) |
785 | traverse_tree_submodules(r, root_tree, tree_path, | |
786 | &name_entry->oid, out); | |
787 | free(tree_path); | |
788 | } | |
789 | } | |
790 | ||
791 | void submodules_of_tree(struct repository *r, | |
792 | const struct object_id *treeish_name, | |
793 | struct submodule_entry_list *out) | |
794 | { | |
795 | CALLOC_ARRAY(out->entries, 0); | |
796 | out->entry_nr = 0; | |
797 | out->entry_alloc = 0; | |
798 | ||
799 | traverse_tree_submodules(r, treeish_name, NULL, treeish_name, out); | |
800 | } | |
801 | ||
f793b895 | 802 | void submodule_free(struct repository *r) |
bf12fcdf | 803 | { |
f793b895 SB |
804 | if (r->submodule_cache) |
805 | submodule_cache_clear(r->submodule_cache); | |
959b5455 | 806 | } |
ad136370 | 807 | |
a4e7e317 GC |
808 | static int config_print_callback(const char *var, const char *value, |
809 | const struct config_context *ctx UNUSED, | |
810 | void *cb_data) | |
bcbc780d AO |
811 | { |
812 | char *wanted_key = cb_data; | |
813 | ||
814 | if (!strcmp(wanted_key, var)) | |
815 | printf("%s\n", value); | |
816 | ||
817 | return 0; | |
818 | } | |
819 | ||
820 | int print_config_from_gitmodules(struct repository *repo, const char *key) | |
821 | { | |
822 | int ret; | |
823 | char *store_key; | |
824 | ||
825 | ret = git_config_parse_key(key, &store_key, NULL); | |
826 | if (ret < 0) | |
827 | return CONFIG_INVALID_KEY; | |
828 | ||
829 | config_from_gitmodules(config_print_callback, repo, store_key); | |
830 | ||
831 | free(store_key); | |
832 | return 0; | |
833 | } | |
834 | ||
45f5ef3d AO |
835 | int config_set_in_gitmodules_file_gently(const char *key, const char *value) |
836 | { | |
837 | int ret; | |
838 | ||
839 | ret = git_config_set_in_file_gently(GITMODULES_FILE, key, value); | |
840 | if (ret < 0) | |
841 | /* Maybe the user already did that, don't error out here */ | |
842 | warning(_("Could not update .gitmodules entry %s"), key); | |
843 | ||
844 | return ret; | |
845 | } | |
846 | ||
71a6953d AO |
847 | struct fetch_config { |
848 | int *max_children; | |
849 | int *recurse_submodules; | |
850 | }; | |
851 | ||
a4e7e317 | 852 | static int gitmodules_fetch_config(const char *var, const char *value, |
8868b1eb | 853 | const struct config_context *ctx, |
a4e7e317 | 854 | void *cb) |
71a6953d AO |
855 | { |
856 | struct fetch_config *config = cb; | |
857 | if (!strcmp(var, "submodule.fetchjobs")) { | |
e5b94213 JT |
858 | if (config->max_children) |
859 | *(config->max_children) = | |
8868b1eb | 860 | parse_submodule_fetchjobs(var, value, ctx->kvi); |
71a6953d AO |
861 | return 0; |
862 | } else if (!strcmp(var, "fetch.recursesubmodules")) { | |
e5b94213 JT |
863 | if (config->recurse_submodules) |
864 | *(config->recurse_submodules) = | |
865 | parse_fetch_recurse_submodules_arg(var, value); | |
71a6953d AO |
866 | return 0; |
867 | } | |
868 | ||
869 | return 0; | |
870 | } | |
871 | ||
872 | void fetch_config_from_gitmodules(int *max_children, int *recurse_submodules) | |
873 | { | |
874 | struct fetch_config config = { | |
875 | .max_children = max_children, | |
876 | .recurse_submodules = recurse_submodules | |
877 | }; | |
9a0fb3e7 | 878 | config_from_gitmodules(gitmodules_fetch_config, the_repository, &config); |
71a6953d | 879 | } |
05744997 AO |
880 | |
881 | static int gitmodules_update_clone_config(const char *var, const char *value, | |
8868b1eb | 882 | const struct config_context *ctx, |
05744997 AO |
883 | void *cb) |
884 | { | |
885 | int *max_jobs = cb; | |
886 | if (!strcmp(var, "submodule.fetchjobs")) | |
8868b1eb | 887 | *max_jobs = parse_submodule_fetchjobs(var, value, ctx->kvi); |
05744997 AO |
888 | return 0; |
889 | } | |
890 | ||
891 | void update_clone_config_from_gitmodules(int *max_jobs) | |
892 | { | |
9a0fb3e7 | 893 | config_from_gitmodules(gitmodules_update_clone_config, the_repository, &max_jobs); |
05744997 | 894 | } |