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Commit | Line | Data |
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bfc9ca59 | 1 | /* |
359fc2d2 | 2 | * Copyright (C) the libgit2 contributors. All rights reserved. |
bfc9ca59 RB |
3 | * |
4 | * This file is part of libgit2, distributed under the GNU GPL v2 with | |
5 | * a Linking Exception. For full terms see the included COPYING file. | |
6 | */ | |
7 | ||
8 | #include "common.h" | |
9 | #include "git2/config.h" | |
83041c71 | 10 | #include "git2/sys/config.h" |
bfc9ca59 RB |
11 | #include "git2/types.h" |
12 | #include "git2/repository.h" | |
13 | #include "git2/index.h" | |
14 | #include "git2/submodule.h" | |
15 | #include "buffer.h" | |
7bf87ab6 | 16 | #include "buf_text.h" |
bfc9ca59 RB |
17 | #include "vector.h" |
18 | #include "posix.h" | |
19 | #include "config_file.h" | |
20 | #include "config.h" | |
21 | #include "repository.h" | |
aa13bf05 RB |
22 | #include "submodule.h" |
23 | #include "tree.h" | |
24 | #include "iterator.h" | |
25 | ||
26 | #define GIT_MODULES_FILE ".gitmodules" | |
bfc9ca59 | 27 | |
95dfb031 RB |
28 | static git_cvar_map _sm_update_map[] = { |
29 | {GIT_CVAR_STRING, "checkout", GIT_SUBMODULE_UPDATE_CHECKOUT}, | |
30 | {GIT_CVAR_STRING, "rebase", GIT_SUBMODULE_UPDATE_REBASE}, | |
aa13bf05 RB |
31 | {GIT_CVAR_STRING, "merge", GIT_SUBMODULE_UPDATE_MERGE}, |
32 | {GIT_CVAR_STRING, "none", GIT_SUBMODULE_UPDATE_NONE}, | |
bfc9ca59 RB |
33 | }; |
34 | ||
95dfb031 | 35 | static git_cvar_map _sm_ignore_map[] = { |
aa13bf05 | 36 | {GIT_CVAR_STRING, "none", GIT_SUBMODULE_IGNORE_NONE}, |
95dfb031 | 37 | {GIT_CVAR_STRING, "untracked", GIT_SUBMODULE_IGNORE_UNTRACKED}, |
aa13bf05 RB |
38 | {GIT_CVAR_STRING, "dirty", GIT_SUBMODULE_IGNORE_DIRTY}, |
39 | {GIT_CVAR_STRING, "all", GIT_SUBMODULE_IGNORE_ALL}, | |
bfc9ca59 RB |
40 | }; |
41 | ||
72ee0787 | 42 | static kh_inline khint_t str_hash_no_trailing_slash(const char *s) |
bfc9ca59 | 43 | { |
01fed0a8 | 44 | khint_t h; |
bfc9ca59 | 45 | |
01fed0a8 | 46 | for (h = 0; *s; ++s) |
5f4a61ae | 47 | if (s[1] != '\0' || *s != '/') |
01fed0a8 | 48 | h = (h << 5) - h + *s; |
bfc9ca59 | 49 | |
01fed0a8 | 50 | return h; |
bfc9ca59 RB |
51 | } |
52 | ||
72ee0787 | 53 | static kh_inline int str_equal_no_trailing_slash(const char *a, const char *b) |
bfc9ca59 | 54 | { |
01fed0a8 RB |
55 | size_t alen = a ? strlen(a) : 0; |
56 | size_t blen = b ? strlen(b) : 0; | |
bfc9ca59 | 57 | |
5f4a61ae | 58 | if (alen > 0 && a[alen - 1] == '/') |
bfc9ca59 | 59 | alen--; |
5f4a61ae | 60 | if (blen > 0 && b[blen - 1] == '/') |
bfc9ca59 RB |
61 | blen--; |
62 | ||
01fed0a8 | 63 | return (alen == blen && strncmp(a, b, alen) == 0); |
bfc9ca59 RB |
64 | } |
65 | ||
aa13bf05 RB |
66 | __KHASH_IMPL( |
67 | str, static kh_inline, const char *, void *, 1, | |
68 | str_hash_no_trailing_slash, str_equal_no_trailing_slash); | |
69 | ||
a9a73007 | 70 | static int load_submodule_config(git_repository *repo); |
54b2a37a | 71 | static git_config_backend *open_gitmodules(git_repository *, bool, const git_oid *); |
5f4a61ae RB |
72 | static int lookup_head_remote(git_buf *url, git_repository *repo); |
73 | static int submodule_get(git_submodule **, git_repository *, const char *, const char *); | |
74 | static void submodule_release(git_submodule *sm, int decr); | |
75 | static int submodule_load_from_index(git_repository *, const git_index_entry *); | |
76 | static int submodule_load_from_head(git_repository*, const char*, const git_oid*); | |
a1abe66a | 77 | static int submodule_load_from_config(const git_config_entry *, void *); |
5f4a61ae RB |
78 | static int submodule_load_from_wd_lite(git_submodule *, const char *, void *); |
79 | static int submodule_update_config(git_submodule *, const char *, const char *, bool, bool); | |
80 | static void submodule_mode_mismatch(git_repository *, const char *, unsigned int); | |
81 | static int submodule_index_status(unsigned int *status, git_submodule *sm); | |
82 | static int submodule_wd_status(unsigned int *status, git_submodule *sm); | |
aa13bf05 RB |
83 | |
84 | static int submodule_cmp(const void *a, const void *b) | |
85 | { | |
86 | return strcmp(((git_submodule *)a)->name, ((git_submodule *)b)->name); | |
87 | } | |
88 | ||
89 | static int submodule_config_key_trunc_puts(git_buf *key, const char *suffix) | |
90 | { | |
91 | ssize_t idx = git_buf_rfind(key, '.'); | |
92 | git_buf_truncate(key, (size_t)(idx + 1)); | |
93 | return git_buf_puts(key, suffix); | |
94 | } | |
95 | ||
96 | /* | |
97 | * PUBLIC APIS | |
98 | */ | |
99 | ||
100 | int git_submodule_lookup( | |
101 | git_submodule **sm_ptr, /* NULL if user only wants to test existence */ | |
102 | git_repository *repo, | |
103 | const char *name) /* trailing slash is allowed */ | |
104 | { | |
105 | int error; | |
106 | khiter_t pos; | |
107 | ||
108 | assert(repo && name); | |
109 | ||
a9a73007 | 110 | if ((error = load_submodule_config(repo)) < 0) |
aa13bf05 RB |
111 | return error; |
112 | ||
113 | pos = git_strmap_lookup_index(repo->submodules, name); | |
114 | ||
115 | if (!git_strmap_valid_index(repo->submodules, pos)) { | |
116 | error = GIT_ENOTFOUND; | |
117 | ||
118 | /* check if a plausible submodule exists at path */ | |
119 | if (git_repository_workdir(repo)) { | |
120 | git_buf path = GIT_BUF_INIT; | |
121 | ||
122 | if (git_buf_joinpath(&path, git_repository_workdir(repo), name) < 0) | |
123 | return -1; | |
124 | ||
125 | if (git_path_contains_dir(&path, DOT_GIT)) | |
126 | error = GIT_EEXISTS; | |
127 | ||
128 | git_buf_free(&path); | |
129 | } | |
130 | ||
131 | return error; | |
132 | } | |
133 | ||
134 | if (sm_ptr) | |
135 | *sm_ptr = git_strmap_value_at(repo->submodules, pos); | |
136 | ||
137 | return 0; | |
138 | } | |
01fed0a8 | 139 | |
aa13bf05 RB |
140 | int git_submodule_foreach( |
141 | git_repository *repo, | |
142 | int (*callback)(git_submodule *sm, const char *name, void *payload), | |
143 | void *payload) | |
144 | { | |
145 | int error; | |
146 | git_submodule *sm; | |
147 | git_vector seen = GIT_VECTOR_INIT; | |
148 | seen._cmp = submodule_cmp; | |
149 | ||
150 | assert(repo && callback); | |
151 | ||
a9a73007 | 152 | if ((error = load_submodule_config(repo)) < 0) |
aa13bf05 RB |
153 | return error; |
154 | ||
155 | git_strmap_foreach_value(repo->submodules, sm, { | |
156 | /* Usually the following will not come into play - it just prevents | |
157 | * us from issuing a callback twice for a submodule where the name | |
158 | * and path are not the same. | |
159 | */ | |
160 | if (sm->refcount > 1) { | |
11d9f6b3 | 161 | if (git_vector_bsearch(NULL, &seen, sm) != GIT_ENOTFOUND) |
aa13bf05 RB |
162 | continue; |
163 | if ((error = git_vector_insert(&seen, sm)) < 0) | |
164 | break; | |
165 | } | |
166 | ||
5f4a61ae | 167 | if (callback(sm, sm->name, payload)) { |
f335ecd6 | 168 | giterr_clear(); |
5f4a61ae | 169 | error = GIT_EUSER; |
aa13bf05 | 170 | break; |
5f4a61ae | 171 | } |
aa13bf05 RB |
172 | }); |
173 | ||
174 | git_vector_free(&seen); | |
175 | ||
176 | return error; | |
177 | } | |
178 | ||
179 | void git_submodule_config_free(git_repository *repo) | |
180 | { | |
181 | git_strmap *smcfg; | |
182 | git_submodule *sm; | |
183 | ||
184 | assert(repo); | |
185 | ||
186 | smcfg = repo->submodules; | |
187 | repo->submodules = NULL; | |
188 | ||
189 | if (smcfg == NULL) | |
190 | return; | |
191 | ||
192 | git_strmap_foreach_value(smcfg, sm, { | |
193 | submodule_release(sm,1); | |
194 | }); | |
195 | git_strmap_free(smcfg); | |
196 | } | |
197 | ||
198 | int git_submodule_add_setup( | |
199 | git_submodule **submodule, | |
200 | git_repository *repo, | |
201 | const char *url, | |
202 | const char *path, | |
203 | int use_gitlink) | |
204 | { | |
205 | int error = 0; | |
54b2a37a | 206 | git_config_backend *mods = NULL; |
aa13bf05 RB |
207 | git_submodule *sm; |
208 | git_buf name = GIT_BUF_INIT, real_url = GIT_BUF_INIT; | |
b4d13652 | 209 | git_repository_init_options initopt = GIT_REPOSITORY_INIT_OPTIONS_INIT; |
aa13bf05 RB |
210 | git_repository *subrepo = NULL; |
211 | ||
212 | assert(repo && url && path); | |
213 | ||
214 | /* see if there is already an entry for this submodule */ | |
215 | ||
216 | if (git_submodule_lookup(&sm, repo, path) < 0) | |
217 | giterr_clear(); | |
218 | else { | |
219 | giterr_set(GITERR_SUBMODULE, | |
220 | "Attempt to add a submodule that already exists"); | |
221 | return GIT_EEXISTS; | |
222 | } | |
223 | ||
224 | /* resolve parameters */ | |
225 | ||
226 | if (url[0] == '.' && (url[1] == '/' || (url[1] == '.' && url[2] == '/'))) { | |
227 | if (!(error = lookup_head_remote(&real_url, repo))) | |
228 | error = git_path_apply_relative(&real_url, url); | |
229 | } else if (strchr(url, ':') != NULL || url[0] == '/') { | |
230 | error = git_buf_sets(&real_url, url); | |
231 | } else { | |
232 | giterr_set(GITERR_SUBMODULE, "Invalid format for submodule URL"); | |
233 | error = -1; | |
234 | } | |
235 | if (error) | |
236 | goto cleanup; | |
237 | ||
238 | /* validate and normalize path */ | |
239 | ||
240 | if (git__prefixcmp(path, git_repository_workdir(repo)) == 0) | |
241 | path += strlen(git_repository_workdir(repo)); | |
242 | ||
243 | if (git_path_root(path) >= 0) { | |
244 | giterr_set(GITERR_SUBMODULE, "Submodule path must be a relative path"); | |
245 | error = -1; | |
246 | goto cleanup; | |
247 | } | |
248 | ||
249 | /* update .gitmodules */ | |
250 | ||
251 | if ((mods = open_gitmodules(repo, true, NULL)) == NULL) { | |
252 | giterr_set(GITERR_SUBMODULE, | |
253 | "Adding submodules to a bare repository is not supported (for now)"); | |
254 | return -1; | |
255 | } | |
256 | ||
257 | if ((error = git_buf_printf(&name, "submodule.%s.path", path)) < 0 || | |
258 | (error = git_config_file_set_string(mods, name.ptr, path)) < 0) | |
259 | goto cleanup; | |
260 | ||
261 | if ((error = submodule_config_key_trunc_puts(&name, "url")) < 0 || | |
262 | (error = git_config_file_set_string(mods, name.ptr, real_url.ptr)) < 0) | |
263 | goto cleanup; | |
264 | ||
265 | git_buf_clear(&name); | |
266 | ||
267 | /* init submodule repository and add origin remote as needed */ | |
268 | ||
269 | error = git_buf_joinpath(&name, git_repository_workdir(repo), path); | |
270 | if (error < 0) | |
271 | goto cleanup; | |
272 | ||
273 | /* New style: sub-repo goes in <repo-dir>/modules/<name>/ with a | |
274 | * gitlink in the sub-repo workdir directory to that repository | |
275 | * | |
276 | * Old style: sub-repo goes directly into repo/<name>/.git/ | |
277 | */ | |
278 | ||
aa13bf05 RB |
279 | initopt.flags = GIT_REPOSITORY_INIT_MKPATH | |
280 | GIT_REPOSITORY_INIT_NO_REINIT; | |
281 | initopt.origin_url = real_url.ptr; | |
282 | ||
283 | if (git_path_exists(name.ptr) && | |
284 | git_path_contains(&name, DOT_GIT)) | |
285 | { | |
286 | /* repo appears to already exist - reinit? */ | |
287 | } | |
288 | else if (use_gitlink) { | |
289 | git_buf repodir = GIT_BUF_INIT; | |
290 | ||
291 | error = git_buf_join_n( | |
292 | &repodir, '/', 3, git_repository_path(repo), "modules", path); | |
293 | if (error < 0) | |
294 | goto cleanup; | |
295 | ||
296 | initopt.workdir_path = name.ptr; | |
297 | initopt.flags |= GIT_REPOSITORY_INIT_NO_DOTGIT_DIR; | |
298 | ||
299 | error = git_repository_init_ext(&subrepo, repodir.ptr, &initopt); | |
300 | ||
301 | git_buf_free(&repodir); | |
302 | } | |
303 | else { | |
304 | error = git_repository_init_ext(&subrepo, name.ptr, &initopt); | |
305 | } | |
306 | if (error < 0) | |
307 | goto cleanup; | |
308 | ||
309 | /* add submodule to hash and "reload" it */ | |
310 | ||
0c8858de RB |
311 | if (!(error = submodule_get(&sm, repo, path, NULL)) && |
312 | !(error = git_submodule_reload(sm))) | |
313 | error = git_submodule_init(sm, false); | |
aa13bf05 RB |
314 | |
315 | cleanup: | |
316 | if (submodule != NULL) | |
317 | *submodule = !error ? sm : NULL; | |
318 | ||
319 | if (mods != NULL) | |
320 | git_config_file_free(mods); | |
321 | git_repository_free(subrepo); | |
322 | git_buf_free(&real_url); | |
323 | git_buf_free(&name); | |
324 | ||
325 | return error; | |
326 | } | |
327 | ||
328 | int git_submodule_add_finalize(git_submodule *sm) | |
329 | { | |
330 | int error; | |
331 | git_index *index; | |
332 | ||
333 | assert(sm); | |
334 | ||
335 | if ((error = git_repository_index__weakptr(&index, sm->owner)) < 0 || | |
25743bd7 | 336 | (error = git_index_add_bypath(index, GIT_MODULES_FILE)) < 0) |
aa13bf05 RB |
337 | return error; |
338 | ||
5f4a61ae | 339 | return git_submodule_add_to_index(sm, true); |
aa13bf05 RB |
340 | } |
341 | ||
5f4a61ae | 342 | int git_submodule_add_to_index(git_submodule *sm, int write_index) |
aa13bf05 RB |
343 | { |
344 | int error; | |
7cdad6c7 | 345 | git_repository *repo, *sm_repo = NULL; |
aa13bf05 RB |
346 | git_index *index; |
347 | git_buf path = GIT_BUF_INIT; | |
348 | git_commit *head; | |
349 | git_index_entry entry; | |
350 | struct stat st; | |
351 | ||
352 | assert(sm); | |
353 | ||
354 | repo = sm->owner; | |
355 | ||
5f4a61ae RB |
356 | /* force reload of wd OID by git_submodule_open */ |
357 | sm->flags = sm->flags & ~GIT_SUBMODULE_STATUS__WD_OID_VALID; | |
358 | ||
aa13bf05 RB |
359 | if ((error = git_repository_index__weakptr(&index, repo)) < 0 || |
360 | (error = git_buf_joinpath( | |
361 | &path, git_repository_workdir(repo), sm->path)) < 0 || | |
362 | (error = git_submodule_open(&sm_repo, sm)) < 0) | |
363 | goto cleanup; | |
364 | ||
365 | /* read stat information for submodule working directory */ | |
366 | if (p_stat(path.ptr, &st) < 0) { | |
367 | giterr_set(GITERR_SUBMODULE, | |
368 | "Cannot add submodule without working directory"); | |
369 | error = -1; | |
370 | goto cleanup; | |
371 | } | |
97a17e4e RB |
372 | |
373 | memset(&entry, 0, sizeof(entry)); | |
5f4a61ae | 374 | entry.path = sm->path; |
55cbd05b | 375 | git_index_entry__init_from_stat(&entry, &st); |
aa13bf05 RB |
376 | |
377 | /* calling git_submodule_open will have set sm->wd_oid if possible */ | |
378 | if ((sm->flags & GIT_SUBMODULE_STATUS__WD_OID_VALID) == 0) { | |
379 | giterr_set(GITERR_SUBMODULE, | |
380 | "Cannot add submodule without HEAD to index"); | |
381 | error = -1; | |
382 | goto cleanup; | |
383 | } | |
384 | git_oid_cpy(&entry.oid, &sm->wd_oid); | |
385 | ||
386 | if ((error = git_commit_lookup(&head, sm_repo, &sm->wd_oid)) < 0) | |
387 | goto cleanup; | |
388 | ||
389 | entry.ctime.seconds = git_commit_time(head); | |
390 | entry.ctime.nanoseconds = 0; | |
391 | entry.mtime.seconds = git_commit_time(head); | |
392 | entry.mtime.nanoseconds = 0; | |
393 | ||
394 | git_commit_free(head); | |
395 | ||
5f4a61ae | 396 | /* add it */ |
f45ec1a0 | 397 | error = git_index_add(index, &entry); |
aa13bf05 | 398 | |
5f4a61ae RB |
399 | /* write it, if requested */ |
400 | if (!error && write_index) { | |
401 | error = git_index_write(index); | |
402 | ||
403 | if (!error) | |
404 | git_oid_cpy(&sm->index_oid, &sm->wd_oid); | |
405 | } | |
406 | ||
aa13bf05 RB |
407 | cleanup: |
408 | git_repository_free(sm_repo); | |
409 | git_buf_free(&path); | |
410 | return error; | |
411 | } | |
412 | ||
413 | int git_submodule_save(git_submodule *submodule) | |
414 | { | |
415 | int error = 0; | |
54b2a37a | 416 | git_config_backend *mods; |
aa13bf05 RB |
417 | git_buf key = GIT_BUF_INIT; |
418 | ||
419 | assert(submodule); | |
420 | ||
421 | mods = open_gitmodules(submodule->owner, true, NULL); | |
422 | if (!mods) { | |
423 | giterr_set(GITERR_SUBMODULE, | |
424 | "Adding submodules to a bare repository is not supported (for now)"); | |
425 | return -1; | |
426 | } | |
427 | ||
428 | if ((error = git_buf_printf(&key, "submodule.%s.", submodule->name)) < 0) | |
429 | goto cleanup; | |
430 | ||
431 | /* save values for path, url, update, ignore, fetchRecurseSubmodules */ | |
432 | ||
433 | if ((error = submodule_config_key_trunc_puts(&key, "path")) < 0 || | |
434 | (error = git_config_file_set_string(mods, key.ptr, submodule->path)) < 0) | |
435 | goto cleanup; | |
436 | ||
437 | if ((error = submodule_config_key_trunc_puts(&key, "url")) < 0 || | |
438 | (error = git_config_file_set_string(mods, key.ptr, submodule->url)) < 0) | |
439 | goto cleanup; | |
440 | ||
441 | if (!(error = submodule_config_key_trunc_puts(&key, "update")) && | |
442 | submodule->update != GIT_SUBMODULE_UPDATE_DEFAULT) | |
443 | { | |
444 | const char *val = (submodule->update == GIT_SUBMODULE_UPDATE_CHECKOUT) ? | |
445 | NULL : _sm_update_map[submodule->update].str_match; | |
446 | error = git_config_file_set_string(mods, key.ptr, val); | |
447 | } | |
448 | if (error < 0) | |
449 | goto cleanup; | |
450 | ||
451 | if (!(error = submodule_config_key_trunc_puts(&key, "ignore")) && | |
452 | submodule->ignore != GIT_SUBMODULE_IGNORE_DEFAULT) | |
453 | { | |
454 | const char *val = (submodule->ignore == GIT_SUBMODULE_IGNORE_NONE) ? | |
455 | NULL : _sm_ignore_map[submodule->ignore].str_match; | |
456 | error = git_config_file_set_string(mods, key.ptr, val); | |
457 | } | |
458 | if (error < 0) | |
459 | goto cleanup; | |
460 | ||
461 | if ((error = submodule_config_key_trunc_puts( | |
462 | &key, "fetchRecurseSubmodules")) < 0 || | |
463 | (error = git_config_file_set_string( | |
464 | mods, key.ptr, submodule->fetch_recurse ? "true" : "false")) < 0) | |
465 | goto cleanup; | |
466 | ||
467 | /* update internal defaults */ | |
468 | ||
469 | submodule->ignore_default = submodule->ignore; | |
470 | submodule->update_default = submodule->update; | |
471 | submodule->flags |= GIT_SUBMODULE_STATUS_IN_CONFIG; | |
472 | ||
473 | cleanup: | |
474 | if (mods != NULL) | |
475 | git_config_file_free(mods); | |
476 | git_buf_free(&key); | |
477 | ||
478 | return error; | |
479 | } | |
480 | ||
481 | git_repository *git_submodule_owner(git_submodule *submodule) | |
482 | { | |
483 | assert(submodule); | |
484 | return submodule->owner; | |
485 | } | |
486 | ||
487 | const char *git_submodule_name(git_submodule *submodule) | |
488 | { | |
489 | assert(submodule); | |
490 | return submodule->name; | |
491 | } | |
492 | ||
493 | const char *git_submodule_path(git_submodule *submodule) | |
494 | { | |
495 | assert(submodule); | |
496 | return submodule->path; | |
497 | } | |
498 | ||
499 | const char *git_submodule_url(git_submodule *submodule) | |
500 | { | |
501 | assert(submodule); | |
502 | return submodule->url; | |
503 | } | |
504 | ||
505 | int git_submodule_set_url(git_submodule *submodule, const char *url) | |
506 | { | |
507 | assert(submodule && url); | |
508 | ||
509 | git__free(submodule->url); | |
510 | ||
511 | submodule->url = git__strdup(url); | |
512 | GITERR_CHECK_ALLOC(submodule->url); | |
513 | ||
514 | return 0; | |
515 | } | |
516 | ||
9cd42358 | 517 | const git_oid *git_submodule_index_id(git_submodule *submodule) |
aa13bf05 RB |
518 | { |
519 | assert(submodule); | |
520 | ||
521 | if (submodule->flags & GIT_SUBMODULE_STATUS__INDEX_OID_VALID) | |
522 | return &submodule->index_oid; | |
523 | else | |
524 | return NULL; | |
525 | } | |
526 | ||
9cd42358 | 527 | const git_oid *git_submodule_head_id(git_submodule *submodule) |
aa13bf05 RB |
528 | { |
529 | assert(submodule); | |
530 | ||
531 | if (submodule->flags & GIT_SUBMODULE_STATUS__HEAD_OID_VALID) | |
532 | return &submodule->head_oid; | |
533 | else | |
534 | return NULL; | |
535 | } | |
536 | ||
9cd42358 | 537 | const git_oid *git_submodule_wd_id(git_submodule *submodule) |
aa13bf05 RB |
538 | { |
539 | assert(submodule); | |
540 | ||
541 | if (!(submodule->flags & GIT_SUBMODULE_STATUS__WD_OID_VALID)) { | |
542 | git_repository *subrepo; | |
543 | ||
544 | /* calling submodule open grabs the HEAD OID if possible */ | |
545 | if (!git_submodule_open(&subrepo, submodule)) | |
546 | git_repository_free(subrepo); | |
5f4a61ae RB |
547 | else |
548 | giterr_clear(); | |
aa13bf05 RB |
549 | } |
550 | ||
551 | if (submodule->flags & GIT_SUBMODULE_STATUS__WD_OID_VALID) | |
552 | return &submodule->wd_oid; | |
553 | else | |
554 | return NULL; | |
555 | } | |
556 | ||
557 | git_submodule_ignore_t git_submodule_ignore(git_submodule *submodule) | |
558 | { | |
559 | assert(submodule); | |
560 | return submodule->ignore; | |
561 | } | |
562 | ||
563 | git_submodule_ignore_t git_submodule_set_ignore( | |
564 | git_submodule *submodule, git_submodule_ignore_t ignore) | |
565 | { | |
566 | git_submodule_ignore_t old; | |
567 | ||
568 | assert(submodule); | |
569 | ||
570 | if (ignore == GIT_SUBMODULE_IGNORE_DEFAULT) | |
571 | ignore = submodule->ignore_default; | |
572 | ||
573 | old = submodule->ignore; | |
574 | submodule->ignore = ignore; | |
575 | return old; | |
576 | } | |
577 | ||
578 | git_submodule_update_t git_submodule_update(git_submodule *submodule) | |
579 | { | |
580 | assert(submodule); | |
581 | return submodule->update; | |
582 | } | |
583 | ||
584 | git_submodule_update_t git_submodule_set_update( | |
585 | git_submodule *submodule, git_submodule_update_t update) | |
586 | { | |
587 | git_submodule_update_t old; | |
588 | ||
589 | assert(submodule); | |
590 | ||
591 | if (update == GIT_SUBMODULE_UPDATE_DEFAULT) | |
592 | update = submodule->update_default; | |
593 | ||
594 | old = submodule->update; | |
595 | submodule->update = update; | |
596 | return old; | |
597 | } | |
598 | ||
17b06f4d RB |
599 | int git_submodule_fetch_recurse_submodules( |
600 | git_submodule *submodule) | |
601 | { | |
602 | assert(submodule); | |
603 | return submodule->fetch_recurse; | |
604 | } | |
605 | ||
606 | int git_submodule_set_fetch_recurse_submodules( | |
607 | git_submodule *submodule, | |
608 | int fetch_recurse_submodules) | |
609 | { | |
610 | int old; | |
611 | ||
612 | assert(submodule); | |
613 | ||
614 | old = submodule->fetch_recurse; | |
615 | submodule->fetch_recurse = (fetch_recurse_submodules != 0); | |
616 | return old; | |
617 | } | |
618 | ||
aa13bf05 RB |
619 | int git_submodule_init(git_submodule *submodule, int overwrite) |
620 | { | |
621 | int error; | |
622 | ||
623 | /* write "submodule.NAME.url" */ | |
624 | ||
625 | if (!submodule->url) { | |
626 | giterr_set(GITERR_SUBMODULE, | |
627 | "No URL configured for submodule '%s'", submodule->name); | |
628 | return -1; | |
629 | } | |
630 | ||
631 | error = submodule_update_config( | |
632 | submodule, "url", submodule->url, overwrite != 0, false); | |
633 | if (error < 0) | |
634 | return error; | |
635 | ||
636 | /* write "submodule.NAME.update" if not default */ | |
637 | ||
638 | if (submodule->update == GIT_SUBMODULE_UPDATE_CHECKOUT) | |
639 | error = submodule_update_config( | |
640 | submodule, "update", NULL, (overwrite != 0), false); | |
641 | else if (submodule->update != GIT_SUBMODULE_UPDATE_DEFAULT) | |
642 | error = submodule_update_config( | |
643 | submodule, "update", | |
644 | _sm_update_map[submodule->update].str_match, | |
645 | (overwrite != 0), false); | |
646 | ||
647 | return error; | |
648 | } | |
649 | ||
650 | int git_submodule_sync(git_submodule *submodule) | |
651 | { | |
652 | if (!submodule->url) { | |
653 | giterr_set(GITERR_SUBMODULE, | |
654 | "No URL configured for submodule '%s'", submodule->name); | |
655 | return -1; | |
656 | } | |
657 | ||
658 | /* copy URL over to config only if it already exists */ | |
659 | ||
660 | return submodule_update_config( | |
661 | submodule, "url", submodule->url, true, true); | |
662 | } | |
663 | ||
664 | int git_submodule_open( | |
665 | git_repository **subrepo, | |
666 | git_submodule *submodule) | |
667 | { | |
668 | int error; | |
669 | git_buf path = GIT_BUF_INIT; | |
670 | git_repository *repo; | |
671 | const char *workdir; | |
672 | ||
673 | assert(submodule && subrepo); | |
674 | ||
675 | repo = submodule->owner; | |
676 | workdir = git_repository_workdir(repo); | |
677 | ||
678 | if (!workdir) { | |
679 | giterr_set(GITERR_REPOSITORY, | |
680 | "Cannot open submodule repository in a bare repo"); | |
681 | return GIT_ENOTFOUND; | |
682 | } | |
683 | ||
684 | if ((submodule->flags & GIT_SUBMODULE_STATUS_IN_WD) == 0) { | |
685 | giterr_set(GITERR_REPOSITORY, | |
686 | "Cannot open submodule repository that is not checked out"); | |
687 | return GIT_ENOTFOUND; | |
688 | } | |
689 | ||
690 | if (git_buf_joinpath(&path, workdir, submodule->path) < 0) | |
691 | return -1; | |
692 | ||
693 | error = git_repository_open(subrepo, path.ptr); | |
694 | ||
695 | git_buf_free(&path); | |
696 | ||
697 | /* if we have opened the submodule successfully, let's grab the HEAD OID */ | |
37ee70fa | 698 | if (!error) { |
2508cc66 | 699 | if (!git_reference_name_to_id( |
aa13bf05 RB |
700 | &submodule->wd_oid, *subrepo, GIT_HEAD_FILE)) |
701 | submodule->flags |= GIT_SUBMODULE_STATUS__WD_OID_VALID; | |
702 | else | |
703 | giterr_clear(); | |
704 | } | |
705 | ||
706 | return error; | |
707 | } | |
708 | ||
709 | int git_submodule_reload_all(git_repository *repo) | |
710 | { | |
711 | assert(repo); | |
a9a73007 RB |
712 | git_submodule_config_free(repo); |
713 | return load_submodule_config(repo); | |
aa13bf05 RB |
714 | } |
715 | ||
716 | int git_submodule_reload(git_submodule *submodule) | |
717 | { | |
718 | git_repository *repo; | |
719 | git_index *index; | |
11d9f6b3 PK |
720 | int error; |
721 | size_t pos; | |
aa13bf05 | 722 | git_tree *head; |
54b2a37a | 723 | git_config_backend *mods; |
aa13bf05 RB |
724 | |
725 | assert(submodule); | |
726 | ||
727 | /* refresh index data */ | |
728 | ||
729 | repo = submodule->owner; | |
730 | if (git_repository_index__weakptr(&index, repo) < 0) | |
731 | return -1; | |
732 | ||
5f4a61ae RB |
733 | submodule->flags = submodule->flags & |
734 | ~(GIT_SUBMODULE_STATUS_IN_INDEX | | |
735 | GIT_SUBMODULE_STATUS__INDEX_OID_VALID); | |
736 | ||
11d9f6b3 | 737 | if (!git_index_find(&pos, index, submodule->path)) { |
f45d51ff | 738 | const git_index_entry *entry = git_index_get_byindex(index, pos); |
aa13bf05 | 739 | |
5f4a61ae RB |
740 | if (S_ISGITLINK(entry->mode)) { |
741 | if ((error = submodule_load_from_index(repo, entry)) < 0) | |
742 | return error; | |
743 | } else { | |
744 | submodule_mode_mismatch( | |
745 | repo, entry->path, GIT_SUBMODULE_STATUS__INDEX_NOT_SUBMODULE); | |
746 | } | |
aa13bf05 RB |
747 | } |
748 | ||
749 | /* refresh HEAD tree data */ | |
750 | ||
751 | if (!(error = git_repository_head_tree(&head, repo))) { | |
752 | git_tree_entry *te; | |
753 | ||
754 | submodule->flags = submodule->flags & | |
755 | ~(GIT_SUBMODULE_STATUS_IN_HEAD | | |
756 | GIT_SUBMODULE_STATUS__HEAD_OID_VALID); | |
757 | ||
758 | if (!(error = git_tree_entry_bypath(&te, head, submodule->path))) { | |
5f4a61ae RB |
759 | |
760 | if (S_ISGITLINK(te->attr)) { | |
761 | error = submodule_load_from_head(repo, submodule->path, &te->oid); | |
762 | } else { | |
763 | submodule_mode_mismatch( | |
764 | repo, submodule->path, | |
765 | GIT_SUBMODULE_STATUS__HEAD_NOT_SUBMODULE); | |
766 | } | |
aa13bf05 RB |
767 | |
768 | git_tree_entry_free(te); | |
769 | } | |
770 | else if (error == GIT_ENOTFOUND) { | |
771 | giterr_clear(); | |
772 | error = 0; | |
773 | } | |
774 | ||
775 | git_tree_free(head); | |
776 | } | |
777 | ||
778 | if (error < 0) | |
779 | return error; | |
780 | ||
781 | /* refresh config data */ | |
782 | ||
783 | if ((mods = open_gitmodules(repo, false, NULL)) != NULL) { | |
784 | git_buf path = GIT_BUF_INIT; | |
785 | ||
786 | git_buf_sets(&path, "submodule\\."); | |
7bf87ab6 | 787 | git_buf_text_puts_escape_regex(&path, submodule->name); |
aa13bf05 RB |
788 | git_buf_puts(&path, ".*"); |
789 | ||
790 | if (git_buf_oom(&path)) | |
791 | error = -1; | |
792 | else | |
793 | error = git_config_file_foreach_match( | |
794 | mods, path.ptr, submodule_load_from_config, repo); | |
795 | ||
796 | git_buf_free(&path); | |
0c8858de | 797 | git_config_file_free(mods); |
aa13bf05 RB |
798 | } |
799 | ||
5f4a61ae RB |
800 | if (error < 0) |
801 | return error; | |
802 | ||
803 | /* refresh wd data */ | |
804 | ||
805 | submodule->flags = submodule->flags & | |
806 | ~(GIT_SUBMODULE_STATUS_IN_WD | GIT_SUBMODULE_STATUS__WD_OID_VALID); | |
807 | ||
808 | error = submodule_load_from_wd_lite(submodule, submodule->path, NULL); | |
809 | ||
aa13bf05 RB |
810 | return error; |
811 | } | |
812 | ||
813 | int git_submodule_status( | |
814 | unsigned int *status, | |
815 | git_submodule *submodule) | |
816 | { | |
5f4a61ae RB |
817 | int error = 0; |
818 | unsigned int status_val; | |
819 | ||
aa13bf05 RB |
820 | assert(status && submodule); |
821 | ||
5f4a61ae | 822 | status_val = GIT_SUBMODULE_STATUS__CLEAR_INTERNAL(submodule->flags); |
0c8858de | 823 | |
5f4a61ae RB |
824 | if (submodule->ignore != GIT_SUBMODULE_IGNORE_ALL) { |
825 | if (!(error = submodule_index_status(&status_val, submodule))) | |
826 | error = submodule_wd_status(&status_val, submodule); | |
827 | } | |
aa13bf05 | 828 | |
5f4a61ae | 829 | *status = status_val; |
aa13bf05 | 830 | |
5f4a61ae | 831 | return error; |
aa13bf05 RB |
832 | } |
833 | ||
a9a73007 RB |
834 | int git_submodule_location( |
835 | unsigned int *location_status, | |
836 | git_submodule *submodule) | |
837 | { | |
838 | assert(location_status && submodule); | |
839 | ||
840 | *location_status = submodule->flags & | |
841 | (GIT_SUBMODULE_STATUS_IN_HEAD | GIT_SUBMODULE_STATUS_IN_INDEX | | |
842 | GIT_SUBMODULE_STATUS_IN_CONFIG | GIT_SUBMODULE_STATUS_IN_WD); | |
843 | ||
844 | return 0; | |
845 | } | |
846 | ||
847 | ||
aa13bf05 RB |
848 | /* |
849 | * INTERNAL FUNCTIONS | |
850 | */ | |
851 | ||
852 | static git_submodule *submodule_alloc(git_repository *repo, const char *name) | |
bfc9ca59 | 853 | { |
0c8858de | 854 | git_submodule *sm; |
bfc9ca59 | 855 | |
0c8858de RB |
856 | if (!name || !strlen(name)) { |
857 | giterr_set(GITERR_SUBMODULE, "Invalid submodule name"); | |
bfc9ca59 RB |
858 | return NULL; |
859 | } | |
860 | ||
0c8858de RB |
861 | sm = git__calloc(1, sizeof(git_submodule)); |
862 | if (sm == NULL) | |
863 | goto fail; | |
864 | ||
865 | sm->path = sm->name = git__strdup(name); | |
866 | if (!sm->name) | |
867 | goto fail; | |
868 | ||
aa13bf05 | 869 | sm->owner = repo; |
0c8858de | 870 | sm->refcount = 1; |
aa13bf05 RB |
871 | |
872 | return sm; | |
0c8858de RB |
873 | |
874 | fail: | |
875 | submodule_release(sm, 0); | |
876 | return NULL; | |
aa13bf05 RB |
877 | } |
878 | ||
879 | static void submodule_release(git_submodule *sm, int decr) | |
880 | { | |
881 | if (!sm) | |
882 | return; | |
883 | ||
884 | sm->refcount -= decr; | |
885 | ||
886 | if (sm->refcount == 0) { | |
887 | if (sm->name != sm->path) { | |
888 | git__free(sm->path); | |
889 | sm->path = NULL; | |
890 | } | |
891 | ||
892 | git__free(sm->name); | |
893 | sm->name = NULL; | |
894 | ||
895 | git__free(sm->url); | |
896 | sm->url = NULL; | |
897 | ||
898 | sm->owner = NULL; | |
899 | ||
900 | git__free(sm); | |
901 | } | |
902 | } | |
903 | ||
0c8858de RB |
904 | static int submodule_get( |
905 | git_submodule **sm_ptr, | |
906 | git_repository *repo, | |
907 | const char *name, | |
908 | const char *alternate) | |
aa13bf05 RB |
909 | { |
910 | git_strmap *smcfg = repo->submodules; | |
911 | khiter_t pos; | |
912 | git_submodule *sm; | |
0c8858de | 913 | int error; |
aa13bf05 | 914 | |
0c8858de | 915 | assert(repo && name); |
aa13bf05 | 916 | |
0c8858de | 917 | pos = git_strmap_lookup_index(smcfg, name); |
aa13bf05 | 918 | |
0c8858de RB |
919 | if (!git_strmap_valid_index(smcfg, pos) && alternate) |
920 | pos = git_strmap_lookup_index(smcfg, alternate); | |
aa13bf05 | 921 | |
0c8858de RB |
922 | if (!git_strmap_valid_index(smcfg, pos)) { |
923 | sm = submodule_alloc(repo, name); | |
aa13bf05 | 924 | |
0c8858de RB |
925 | /* insert value at name - if another thread beats us to it, then use |
926 | * their record and release our own. | |
927 | */ | |
5f4a61ae | 928 | pos = kh_put(str, smcfg, sm->name, &error); |
0c8858de RB |
929 | |
930 | if (error < 0) { | |
931 | submodule_release(sm, 1); | |
932 | sm = NULL; | |
933 | } else if (error == 0) { | |
934 | submodule_release(sm, 1); | |
935 | sm = git_strmap_value_at(smcfg, pos); | |
936 | } else { | |
937 | git_strmap_set_value_at(smcfg, pos, sm); | |
938 | } | |
939 | } else { | |
940 | sm = git_strmap_value_at(smcfg, pos); | |
aa13bf05 RB |
941 | } |
942 | ||
0c8858de | 943 | *sm_ptr = sm; |
aa13bf05 | 944 | |
0c8858de | 945 | return (sm != NULL) ? 0 : -1; |
bfc9ca59 RB |
946 | } |
947 | ||
aa13bf05 RB |
948 | static int submodule_load_from_index( |
949 | git_repository *repo, const git_index_entry *entry) | |
bfc9ca59 | 950 | { |
0c8858de | 951 | git_submodule *sm; |
bfc9ca59 | 952 | |
0c8858de | 953 | if (submodule_get(&sm, repo, entry->path, NULL) < 0) |
aa13bf05 | 954 | return -1; |
bfc9ca59 | 955 | |
aa13bf05 RB |
956 | if (sm->flags & GIT_SUBMODULE_STATUS_IN_INDEX) { |
957 | sm->flags |= GIT_SUBMODULE_STATUS__INDEX_MULTIPLE_ENTRIES; | |
958 | return 0; | |
bfc9ca59 | 959 | } |
bfc9ca59 | 960 | |
aa13bf05 | 961 | sm->flags |= GIT_SUBMODULE_STATUS_IN_INDEX; |
01fed0a8 | 962 | |
aa13bf05 RB |
963 | git_oid_cpy(&sm->index_oid, &entry->oid); |
964 | sm->flags |= GIT_SUBMODULE_STATUS__INDEX_OID_VALID; | |
bfc9ca59 | 965 | |
0c8858de | 966 | return 0; |
aa13bf05 | 967 | } |
bfc9ca59 | 968 | |
aa13bf05 RB |
969 | static int submodule_load_from_head( |
970 | git_repository *repo, const char *path, const git_oid *oid) | |
971 | { | |
0c8858de | 972 | git_submodule *sm; |
bfc9ca59 | 973 | |
0c8858de | 974 | if (submodule_get(&sm, repo, path, NULL) < 0) |
aa13bf05 | 975 | return -1; |
bfc9ca59 | 976 | |
aa13bf05 | 977 | sm->flags |= GIT_SUBMODULE_STATUS_IN_HEAD; |
bfc9ca59 | 978 | |
aa13bf05 RB |
979 | git_oid_cpy(&sm->head_oid, oid); |
980 | sm->flags |= GIT_SUBMODULE_STATUS__HEAD_OID_VALID; | |
bfc9ca59 | 981 | |
0c8858de RB |
982 | return 0; |
983 | } | |
984 | ||
985 | static int submodule_config_error(const char *property, const char *value) | |
986 | { | |
987 | giterr_set(GITERR_INVALID, | |
988 | "Invalid value for submodule '%s' property: '%s'", property, value); | |
989 | return -1; | |
bfc9ca59 RB |
990 | } |
991 | ||
aa13bf05 | 992 | static int submodule_load_from_config( |
a1abe66a | 993 | const git_config_entry *entry, void *data) |
bfc9ca59 | 994 | { |
aa13bf05 RB |
995 | git_repository *repo = data; |
996 | git_strmap *smcfg = repo->submodules; | |
0c8858de | 997 | const char *namestart, *property, *alternate = NULL; |
a1abe66a | 998 | const char *key = entry->name, *value = entry->value; |
bfc9ca59 RB |
999 | git_buf name = GIT_BUF_INIT; |
1000 | git_submodule *sm; | |
bfc9ca59 | 1001 | bool is_path; |
0c8858de | 1002 | int error = 0; |
bfc9ca59 RB |
1003 | |
1004 | if (git__prefixcmp(key, "submodule.") != 0) | |
1005 | return 0; | |
1006 | ||
1007 | namestart = key + strlen("submodule."); | |
1008 | property = strrchr(namestart, '.'); | |
1009 | if (property == NULL) | |
1010 | return 0; | |
1011 | property++; | |
aa13bf05 | 1012 | is_path = (strcasecmp(property, "path") == 0); |
bfc9ca59 RB |
1013 | |
1014 | if (git_buf_set(&name, namestart, property - namestart - 1) < 0) | |
1015 | return -1; | |
1016 | ||
0c8858de RB |
1017 | if (submodule_get(&sm, repo, name.ptr, is_path ? value : NULL) < 0) { |
1018 | git_buf_free(&name); | |
1019 | return -1; | |
1020 | } | |
bfc9ca59 | 1021 | |
aa13bf05 RB |
1022 | sm->flags |= GIT_SUBMODULE_STATUS_IN_CONFIG; |
1023 | ||
0c8858de RB |
1024 | /* Only from config might we get differing names & paths. If so, then |
1025 | * update the submodule and insert under the alternative key. | |
1026 | */ | |
01fed0a8 | 1027 | |
0c8858de RB |
1028 | /* TODO: if case insensitive filesystem, then the following strcmps |
1029 | * should be strcasecmp | |
1030 | */ | |
01fed0a8 | 1031 | |
0c8858de RB |
1032 | if (strcmp(sm->name, name.ptr) != 0) { |
1033 | alternate = sm->name = git_buf_detach(&name); | |
1034 | } else if (is_path && value && strcmp(sm->path, value) != 0) { | |
1035 | alternate = sm->path = git__strdup(value); | |
1036 | if (!sm->path) | |
1037 | error = -1; | |
bfc9ca59 | 1038 | } |
0c8858de RB |
1039 | if (alternate) { |
1040 | void *old_sm = NULL; | |
1041 | git_strmap_insert2(smcfg, alternate, sm, old_sm, error); | |
bfc9ca59 | 1042 | |
0c8858de RB |
1043 | if (error >= 0) |
1044 | sm->refcount++; /* inserted under a new key */ | |
1045 | ||
1046 | /* if we replaced an old module under this key, release the old one */ | |
1047 | if (old_sm && ((git_submodule *)old_sm) != sm) { | |
1048 | submodule_release(old_sm, 1); | |
1049 | /* TODO: log warning about multiple submodules with same path */ | |
1050 | } | |
bfc9ca59 RB |
1051 | } |
1052 | ||
0c8858de RB |
1053 | git_buf_free(&name); |
1054 | if (error < 0) | |
1055 | return error; | |
1056 | ||
aa13bf05 RB |
1057 | /* TODO: Look up path in index and if it is present but not a GITLINK |
1058 | * then this should be deleted (at least to match git's behavior) | |
1059 | */ | |
1060 | ||
bfc9ca59 RB |
1061 | if (is_path) |
1062 | return 0; | |
1063 | ||
1064 | /* copy other properties into submodule entry */ | |
aa13bf05 | 1065 | if (strcasecmp(property, "url") == 0) { |
0c8858de RB |
1066 | git__free(sm->url); |
1067 | sm->url = NULL; | |
1068 | ||
aa13bf05 | 1069 | if (value != NULL && (sm->url = git__strdup(value)) == NULL) |
0c8858de | 1070 | return -1; |
bfc9ca59 | 1071 | } |
aa13bf05 | 1072 | else if (strcasecmp(property, "update") == 0) { |
95dfb031 RB |
1073 | int val; |
1074 | if (git_config_lookup_map_value( | |
a1abe66a | 1075 | &val, _sm_update_map, ARRAY_SIZE(_sm_update_map), value) < 0) |
0c8858de | 1076 | return submodule_config_error("update", value); |
aa13bf05 | 1077 | sm->update_default = sm->update = (git_submodule_update_t)val; |
bfc9ca59 | 1078 | } |
aa13bf05 | 1079 | else if (strcasecmp(property, "fetchRecurseSubmodules") == 0) { |
0c8858de RB |
1080 | if (git__parse_bool(&sm->fetch_recurse, value) < 0) |
1081 | return submodule_config_error("fetchRecurseSubmodules", value); | |
bfc9ca59 | 1082 | } |
aa13bf05 | 1083 | else if (strcasecmp(property, "ignore") == 0) { |
95dfb031 RB |
1084 | int val; |
1085 | if (git_config_lookup_map_value( | |
a1abe66a | 1086 | &val, _sm_ignore_map, ARRAY_SIZE(_sm_ignore_map), value) < 0) |
0c8858de | 1087 | return submodule_config_error("ignore", value); |
aa13bf05 | 1088 | sm->ignore_default = sm->ignore = (git_submodule_ignore_t)val; |
bfc9ca59 RB |
1089 | } |
1090 | /* ignore other unknown submodule properties */ | |
1091 | ||
1092 | return 0; | |
bfc9ca59 RB |
1093 | } |
1094 | ||
aa13bf05 RB |
1095 | static int submodule_load_from_wd_lite( |
1096 | git_submodule *sm, const char *name, void *payload) | |
1097 | { | |
1098 | git_repository *repo = git_submodule_owner(sm); | |
1099 | git_buf path = GIT_BUF_INIT; | |
1100 | ||
1101 | GIT_UNUSED(name); | |
1102 | GIT_UNUSED(payload); | |
1103 | ||
1104 | if (git_buf_joinpath(&path, git_repository_workdir(repo), sm->path) < 0) | |
1105 | return -1; | |
1106 | ||
1107 | if (git_path_isdir(path.ptr)) | |
1108 | sm->flags |= GIT_SUBMODULE_STATUS__WD_SCANNED; | |
1109 | ||
1110 | if (git_path_contains(&path, DOT_GIT)) | |
1111 | sm->flags |= GIT_SUBMODULE_STATUS_IN_WD; | |
1112 | ||
1113 | git_buf_free(&path); | |
1114 | ||
1115 | return 0; | |
1116 | } | |
1117 | ||
5f4a61ae RB |
1118 | static void submodule_mode_mismatch( |
1119 | git_repository *repo, const char *path, unsigned int flag) | |
1120 | { | |
1121 | khiter_t pos = git_strmap_lookup_index(repo->submodules, path); | |
1122 | ||
1123 | if (git_strmap_valid_index(repo->submodules, pos)) { | |
1124 | git_submodule *sm = git_strmap_value_at(repo->submodules, pos); | |
1125 | ||
1126 | sm->flags |= flag; | |
1127 | } | |
1128 | } | |
1129 | ||
aa13bf05 RB |
1130 | static int load_submodule_config_from_index( |
1131 | git_repository *repo, git_oid *gitmodules_oid) | |
bfc9ca59 RB |
1132 | { |
1133 | int error; | |
4b181037 | 1134 | git_index *index; |
aa13bf05 RB |
1135 | git_iterator *i; |
1136 | const git_index_entry *entry; | |
bfc9ca59 | 1137 | |
4b181037 | 1138 | if ((error = git_repository_index__weakptr(&index, repo)) < 0 || |
169dc616 | 1139 | (error = git_iterator_for_index(&i, index, 0, NULL, NULL)) < 0) |
aa13bf05 | 1140 | return error; |
bfc9ca59 | 1141 | |
169dc616 | 1142 | error = git_iterator_current(&entry, i); |
bfc9ca59 | 1143 | |
aa13bf05 | 1144 | while (!error && entry != NULL) { |
bfc9ca59 | 1145 | |
bfc9ca59 | 1146 | if (S_ISGITLINK(entry->mode)) { |
aa13bf05 RB |
1147 | error = submodule_load_from_index(repo, entry); |
1148 | if (error < 0) | |
1149 | break; | |
5f4a61ae RB |
1150 | } else { |
1151 | submodule_mode_mismatch( | |
1152 | repo, entry->path, GIT_SUBMODULE_STATUS__INDEX_NOT_SUBMODULE); | |
1153 | ||
1154 | if (strcmp(entry->path, GIT_MODULES_FILE) == 0) | |
1155 | git_oid_cpy(gitmodules_oid, &entry->oid); | |
1156 | } | |
aa13bf05 | 1157 | |
169dc616 | 1158 | error = git_iterator_advance(&entry, i); |
bfc9ca59 RB |
1159 | } |
1160 | ||
aa13bf05 RB |
1161 | git_iterator_free(i); |
1162 | ||
1163 | return error; | |
1164 | } | |
1165 | ||
1166 | static int load_submodule_config_from_head( | |
1167 | git_repository *repo, git_oid *gitmodules_oid) | |
1168 | { | |
1169 | int error; | |
1170 | git_tree *head; | |
1171 | git_iterator *i; | |
1172 | const git_index_entry *entry; | |
1173 | ||
1174 | if ((error = git_repository_head_tree(&head, repo)) < 0) | |
1175 | return error; | |
1176 | ||
169dc616 | 1177 | if ((error = git_iterator_for_tree(&i, head, 0, NULL, NULL)) < 0) { |
aa13bf05 RB |
1178 | git_tree_free(head); |
1179 | return error; | |
1180 | } | |
1181 | ||
169dc616 | 1182 | error = git_iterator_current(&entry, i); |
aa13bf05 RB |
1183 | |
1184 | while (!error && entry != NULL) { | |
1185 | ||
1186 | if (S_ISGITLINK(entry->mode)) { | |
1187 | error = submodule_load_from_head(repo, entry->path, &entry->oid); | |
1188 | if (error < 0) | |
1189 | break; | |
5f4a61ae RB |
1190 | } else { |
1191 | submodule_mode_mismatch( | |
1192 | repo, entry->path, GIT_SUBMODULE_STATUS__HEAD_NOT_SUBMODULE); | |
1193 | ||
1194 | if (strcmp(entry->path, GIT_MODULES_FILE) == 0 && | |
1195 | git_oid_iszero(gitmodules_oid)) | |
1196 | git_oid_cpy(gitmodules_oid, &entry->oid); | |
1197 | } | |
aa13bf05 | 1198 | |
169dc616 | 1199 | error = git_iterator_advance(&entry, i); |
aa13bf05 RB |
1200 | } |
1201 | ||
1202 | git_iterator_free(i); | |
1203 | git_tree_free(head); | |
1204 | ||
1205 | return error; | |
1206 | } | |
1207 | ||
54b2a37a | 1208 | static git_config_backend *open_gitmodules( |
aa13bf05 RB |
1209 | git_repository *repo, |
1210 | bool okay_to_create, | |
1211 | const git_oid *gitmodules_oid) | |
1212 | { | |
1213 | const char *workdir = git_repository_workdir(repo); | |
1214 | git_buf path = GIT_BUF_INIT; | |
54b2a37a | 1215 | git_config_backend *mods = NULL; |
aa13bf05 RB |
1216 | |
1217 | if (workdir != NULL) { | |
1218 | if (git_buf_joinpath(&path, workdir, GIT_MODULES_FILE) != 0) | |
1219 | return NULL; | |
1220 | ||
1221 | if (okay_to_create || git_path_isfile(path.ptr)) { | |
1222 | /* git_config_file__ondisk should only fail if OOM */ | |
1223 | if (git_config_file__ondisk(&mods, path.ptr) < 0) | |
0c8858de | 1224 | mods = NULL; |
aa13bf05 | 1225 | /* open should only fail here if the file is malformed */ |
a1abe66a | 1226 | else if (git_config_file_open(mods, GIT_CONFIG_LEVEL_LOCAL) < 0) { |
aa13bf05 RB |
1227 | git_config_file_free(mods); |
1228 | mods = NULL; | |
1229 | } | |
bfc9ca59 | 1230 | } |
bfc9ca59 RB |
1231 | } |
1232 | ||
aa13bf05 RB |
1233 | if (!mods && gitmodules_oid && !git_oid_iszero(gitmodules_oid)) { |
1234 | /* TODO: Retrieve .gitmodules content from ODB */ | |
1235 | ||
1236 | /* Should we actually do this? Core git does not, but it means you | |
1237 | * can't really get much information about submodules on bare repos. | |
1238 | */ | |
1239 | } | |
1240 | ||
0c8858de RB |
1241 | git_buf_free(&path); |
1242 | ||
aa13bf05 RB |
1243 | return mods; |
1244 | } | |
1245 | ||
a9a73007 | 1246 | static int load_submodule_config(git_repository *repo) |
aa13bf05 RB |
1247 | { |
1248 | int error; | |
1249 | git_oid gitmodules_oid; | |
1250 | git_buf path = GIT_BUF_INIT; | |
54b2a37a | 1251 | git_config_backend *mods = NULL; |
aa13bf05 | 1252 | |
a9a73007 | 1253 | if (repo->submodules) |
aa13bf05 RB |
1254 | return 0; |
1255 | ||
1256 | memset(&gitmodules_oid, 0, sizeof(gitmodules_oid)); | |
1257 | ||
1258 | /* Submodule data is kept in a hashtable keyed by both name and path. | |
1259 | * These are usually the same, but that is not guaranteed. | |
1260 | */ | |
1261 | if (!repo->submodules) { | |
1262 | repo->submodules = git_strmap_alloc(); | |
1263 | GITERR_CHECK_ALLOC(repo->submodules); | |
bfc9ca59 RB |
1264 | } |
1265 | ||
aa13bf05 RB |
1266 | /* add submodule information from index */ |
1267 | ||
1268 | if ((error = load_submodule_config_from_index(repo, &gitmodules_oid)) < 0) | |
1269 | goto cleanup; | |
1270 | ||
1271 | /* add submodule information from HEAD */ | |
1272 | ||
1273 | if ((error = load_submodule_config_from_head(repo, &gitmodules_oid)) < 0) | |
1274 | goto cleanup; | |
1275 | ||
1276 | /* add submodule information from .gitmodules */ | |
1277 | ||
1278 | if ((mods = open_gitmodules(repo, false, &gitmodules_oid)) != NULL) | |
1279 | error = git_config_file_foreach(mods, submodule_load_from_config, repo); | |
1280 | ||
1281 | if (error != 0) | |
1282 | goto cleanup; | |
1283 | ||
1284 | /* shallow scan submodules in work tree */ | |
bfc9ca59 | 1285 | |
aa13bf05 RB |
1286 | if (!git_repository_is_bare(repo)) |
1287 | error = git_submodule_foreach(repo, submodule_load_from_wd_lite, NULL); | |
bfc9ca59 RB |
1288 | |
1289 | cleanup: | |
aa13bf05 RB |
1290 | git_buf_free(&path); |
1291 | ||
bfc9ca59 RB |
1292 | if (mods != NULL) |
1293 | git_config_file_free(mods); | |
aa13bf05 | 1294 | |
bfc9ca59 | 1295 | if (error) |
aa13bf05 RB |
1296 | git_submodule_config_free(repo); |
1297 | ||
bfc9ca59 RB |
1298 | return error; |
1299 | } | |
1300 | ||
aa13bf05 | 1301 | static int lookup_head_remote(git_buf *url, git_repository *repo) |
bfc9ca59 | 1302 | { |
aa13bf05 RB |
1303 | int error; |
1304 | git_config *cfg; | |
1305 | git_reference *head = NULL, *remote = NULL; | |
1306 | const char *tgt, *scan; | |
1307 | git_buf key = GIT_BUF_INIT; | |
1308 | ||
1309 | /* 1. resolve HEAD -> refs/heads/BRANCH | |
1310 | * 2. lookup config branch.BRANCH.remote -> ORIGIN | |
1311 | * 3. lookup remote.ORIGIN.url | |
1312 | */ | |
bfc9ca59 | 1313 | |
aa13bf05 RB |
1314 | if ((error = git_repository_config__weakptr(&cfg, repo)) < 0) |
1315 | return error; | |
bfc9ca59 | 1316 | |
aa13bf05 RB |
1317 | if (git_reference_lookup(&head, repo, GIT_HEAD_FILE) < 0) { |
1318 | giterr_set(GITERR_SUBMODULE, | |
1319 | "Cannot resolve relative URL when HEAD cannot be resolved"); | |
1320 | error = GIT_ENOTFOUND; | |
1321 | goto cleanup; | |
1322 | } | |
bfc9ca59 | 1323 | |
aa13bf05 RB |
1324 | if (git_reference_type(head) != GIT_REF_SYMBOLIC) { |
1325 | giterr_set(GITERR_SUBMODULE, | |
1326 | "Cannot resolve relative URL when HEAD is not symbolic"); | |
1327 | error = GIT_ENOTFOUND; | |
1328 | goto cleanup; | |
1329 | } | |
1330 | ||
a258d8e3 | 1331 | if ((error = git_branch_upstream(&remote, head)) < 0) |
aa13bf05 RB |
1332 | goto cleanup; |
1333 | ||
1334 | /* remote should refer to something like refs/remotes/ORIGIN/BRANCH */ | |
1335 | ||
1336 | if (git_reference_type(remote) != GIT_REF_SYMBOLIC || | |
2508cc66 | 1337 | git__prefixcmp(git_reference_symbolic_target(remote), GIT_REFS_REMOTES_DIR) != 0) |
aa13bf05 RB |
1338 | { |
1339 | giterr_set(GITERR_SUBMODULE, | |
1340 | "Cannot resolve relative URL when HEAD is not symbolic"); | |
1341 | error = GIT_ENOTFOUND; | |
1342 | goto cleanup; | |
1343 | } | |
1344 | ||
2508cc66 | 1345 | scan = tgt = git_reference_symbolic_target(remote) + strlen(GIT_REFS_REMOTES_DIR); |
aa13bf05 RB |
1346 | while (*scan && (*scan != '/' || (scan > tgt && scan[-1] != '\\'))) |
1347 | scan++; /* find non-escaped slash to end ORIGIN name */ | |
1348 | ||
1349 | error = git_buf_printf(&key, "remote.%.*s.url", (int)(scan - tgt), tgt); | |
1350 | if (error < 0) | |
1351 | goto cleanup; | |
1352 | ||
1353 | if ((error = git_config_get_string(&tgt, cfg, key.ptr)) < 0) | |
1354 | goto cleanup; | |
1355 | ||
1356 | error = git_buf_sets(url, tgt); | |
1357 | ||
1358 | cleanup: | |
1359 | git_buf_free(&key); | |
1360 | git_reference_free(head); | |
1361 | git_reference_free(remote); | |
1362 | ||
1363 | return error; | |
bfc9ca59 RB |
1364 | } |
1365 | ||
aa13bf05 RB |
1366 | static int submodule_update_config( |
1367 | git_submodule *submodule, | |
1368 | const char *attr, | |
1369 | const char *value, | |
1370 | bool overwrite, | |
1371 | bool only_existing) | |
bfc9ca59 | 1372 | { |
aa13bf05 RB |
1373 | int error; |
1374 | git_config *config; | |
1375 | git_buf key = GIT_BUF_INIT; | |
1376 | const char *old = NULL; | |
1377 | ||
1378 | assert(submodule); | |
1379 | ||
1380 | error = git_repository_config__weakptr(&config, submodule->owner); | |
1381 | if (error < 0) | |
1382 | return error; | |
1383 | ||
1384 | error = git_buf_printf(&key, "submodule.%s.%s", submodule->name, attr); | |
1385 | if (error < 0) | |
1386 | goto cleanup; | |
1387 | ||
1388 | if (git_config_get_string(&old, config, key.ptr) < 0) | |
1389 | giterr_clear(); | |
1390 | ||
1391 | if (!old && only_existing) | |
1392 | goto cleanup; | |
1393 | if (old && !overwrite) | |
1394 | goto cleanup; | |
1395 | if ((!old && !value) || (old && value && strcmp(old, value) == 0)) | |
1396 | goto cleanup; | |
1397 | ||
1398 | if (!value) | |
54b2a37a | 1399 | error = git_config_delete_entry(config, key.ptr); |
aa13bf05 RB |
1400 | else |
1401 | error = git_config_set_string(config, key.ptr, value); | |
1402 | ||
1403 | cleanup: | |
1404 | git_buf_free(&key); | |
1405 | return error; | |
bfc9ca59 RB |
1406 | } |
1407 | ||
5f4a61ae | 1408 | static int submodule_index_status(unsigned int *status, git_submodule *sm) |
aa13bf05 | 1409 | { |
9cd42358 RB |
1410 | const git_oid *head_oid = git_submodule_head_id(sm); |
1411 | const git_oid *index_oid = git_submodule_index_id(sm); | |
aa13bf05 | 1412 | |
5f4a61ae RB |
1413 | if (!head_oid) { |
1414 | if (index_oid) | |
1415 | *status |= GIT_SUBMODULE_STATUS_INDEX_ADDED; | |
1416 | } | |
1417 | else if (!index_oid) | |
1418 | *status |= GIT_SUBMODULE_STATUS_INDEX_DELETED; | |
1419 | else if (!git_oid_equal(head_oid, index_oid)) | |
1420 | *status |= GIT_SUBMODULE_STATUS_INDEX_MODIFIED; | |
aa13bf05 | 1421 | |
5f4a61ae | 1422 | return 0; |
aa13bf05 RB |
1423 | } |
1424 | ||
5f4a61ae | 1425 | static int submodule_wd_status(unsigned int *status, git_submodule *sm) |
bfc9ca59 | 1426 | { |
5f4a61ae RB |
1427 | int error = 0; |
1428 | const git_oid *wd_oid, *index_oid; | |
1429 | git_repository *sm_repo = NULL; | |
01fed0a8 | 1430 | |
9cd42358 | 1431 | /* open repo now if we need it (so wd_id() call won't reopen) */ |
5f4a61ae RB |
1432 | if ((sm->ignore == GIT_SUBMODULE_IGNORE_NONE || |
1433 | sm->ignore == GIT_SUBMODULE_IGNORE_UNTRACKED) && | |
1434 | (sm->flags & GIT_SUBMODULE_STATUS_IN_WD) != 0) | |
1435 | { | |
1436 | if ((error = git_submodule_open(&sm_repo, sm)) < 0) | |
1437 | return error; | |
aa13bf05 | 1438 | } |
bfc9ca59 | 1439 | |
9cd42358 RB |
1440 | index_oid = git_submodule_index_id(sm); |
1441 | wd_oid = git_submodule_wd_id(sm); | |
aa13bf05 | 1442 | |
5f4a61ae RB |
1443 | if (!index_oid) { |
1444 | if (wd_oid) | |
1445 | *status |= GIT_SUBMODULE_STATUS_WD_ADDED; | |
aa13bf05 | 1446 | } |
5f4a61ae RB |
1447 | else if (!wd_oid) { |
1448 | if ((sm->flags & GIT_SUBMODULE_STATUS__WD_SCANNED) != 0 && | |
1449 | (sm->flags & GIT_SUBMODULE_STATUS_IN_WD) == 0) | |
1450 | *status |= GIT_SUBMODULE_STATUS_WD_UNINITIALIZED; | |
1451 | else | |
1452 | *status |= GIT_SUBMODULE_STATUS_WD_DELETED; | |
aa13bf05 | 1453 | } |
5f4a61ae RB |
1454 | else if (!git_oid_equal(index_oid, wd_oid)) |
1455 | *status |= GIT_SUBMODULE_STATUS_WD_MODIFIED; | |
aa13bf05 | 1456 | |
5f4a61ae RB |
1457 | if (sm_repo != NULL) { |
1458 | git_tree *sm_head; | |
2f8d30be | 1459 | git_diff_options opt = GIT_DIFF_OPTIONS_INIT; |
5f4a61ae | 1460 | git_diff_list *diff; |
aa13bf05 | 1461 | |
5f4a61ae RB |
1462 | /* the diffs below could be optimized with an early termination |
1463 | * option to the git_diff functions, but for now this is sufficient | |
1464 | * (and certainly no worse that what core git does). | |
1465 | */ | |
aa13bf05 | 1466 | |
5f4a61ae | 1467 | /* perform head-to-index diff on submodule */ |
aa13bf05 | 1468 | |
5f4a61ae RB |
1469 | if ((error = git_repository_head_tree(&sm_head, sm_repo)) < 0) |
1470 | return error; | |
bfc9ca59 | 1471 | |
5f4a61ae RB |
1472 | if (sm->ignore == GIT_SUBMODULE_IGNORE_NONE) |
1473 | opt.flags |= GIT_DIFF_INCLUDE_UNTRACKED; | |
bfc9ca59 | 1474 | |
56c72b75 | 1475 | error = git_diff_tree_to_index(&diff, sm_repo, sm_head, NULL, &opt); |
aa13bf05 | 1476 | |
5f4a61ae | 1477 | if (!error) { |
5f69a31f | 1478 | if (git_diff_num_deltas(diff) > 0) |
5f4a61ae | 1479 | *status |= GIT_SUBMODULE_STATUS_WD_INDEX_MODIFIED; |
aa13bf05 | 1480 | |
5f4a61ae RB |
1481 | git_diff_list_free(diff); |
1482 | diff = NULL; | |
1483 | } | |
aa13bf05 | 1484 | |
5f4a61ae | 1485 | git_tree_free(sm_head); |
bfc9ca59 | 1486 | |
5f4a61ae RB |
1487 | if (error < 0) |
1488 | return error; | |
aa13bf05 | 1489 | |
5f4a61ae | 1490 | /* perform index-to-workdir diff on submodule */ |
aa13bf05 | 1491 | |
56c72b75 | 1492 | error = git_diff_index_to_workdir(&diff, sm_repo, NULL, &opt); |
aa13bf05 | 1493 | |
5f4a61ae | 1494 | if (!error) { |
cc5bf359 | 1495 | size_t untracked = |
5f69a31f | 1496 | git_diff_num_deltas_of_type(diff, GIT_DELTA_UNTRACKED); |
bfc9ca59 | 1497 | |
5f4a61ae RB |
1498 | if (untracked > 0) |
1499 | *status |= GIT_SUBMODULE_STATUS_WD_UNTRACKED; | |
bfc9ca59 | 1500 | |
10c06114 | 1501 | if (git_diff_num_deltas(diff) != untracked) |
5f4a61ae | 1502 | *status |= GIT_SUBMODULE_STATUS_WD_WD_MODIFIED; |
bfc9ca59 | 1503 | |
5f4a61ae RB |
1504 | git_diff_list_free(diff); |
1505 | diff = NULL; | |
aa13bf05 | 1506 | } |
aa13bf05 | 1507 | |
5f4a61ae RB |
1508 | git_repository_free(sm_repo); |
1509 | } | |
aa13bf05 RB |
1510 | |
1511 | return error; | |
bfc9ca59 | 1512 | } |