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Commit | Line | Data |
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3315782c | 1 | /* |
359fc2d2 | 2 | * Copyright (C) the libgit2 contributors. All rights reserved. |
3315782c | 3 | * |
bb742ede VM |
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. | |
3315782c | 6 | */ |
e802d8cc | 7 | #include <stdarg.h> |
7784bcbb | 8 | #include <ctype.h> |
3315782c | 9 | |
44908fe7 | 10 | #include "git2/object.h" |
d00d5464 | 11 | #include "git2/refdb.h" |
d12299fe | 12 | |
3315782c VM |
13 | #include "common.h" |
14 | #include "repository.h" | |
15 | #include "commit.h" | |
16 | #include "tag.h" | |
237da401 | 17 | #include "blob.h" |
6fd195d7 | 18 | #include "fileops.h" |
b22d1479 | 19 | #include "config.h" |
9282e921 | 20 | #include "refs.h" |
47bfa0be RB |
21 | #include "filter.h" |
22 | #include "odb.h" | |
096d9e94 | 23 | #include "remote.h" |
632d8b23 | 24 | #include "merge.h" |
9282e921 | 25 | |
7784bcbb | 26 | #define GIT_FILE_CONTENT_PREFIX "gitdir:" |
6a01b6bd | 27 | |
28990938 | 28 | #define GIT_BRANCH_MASTER "master" |
29 | ||
29e948de | 30 | #define GIT_REPO_VERSION 0 |
691aa968 | 31 | |
ca1b6e54 RB |
32 | #define GIT_TEMPLATE_DIR "/usr/share/git-core/templates" |
33 | ||
9462c471 VM |
34 | static void drop_odb(git_repository *repo) |
35 | { | |
36 | if (repo->_odb != NULL) { | |
37 | GIT_REFCOUNT_OWN(repo->_odb, NULL); | |
38 | git_odb_free(repo->_odb); | |
39 | repo->_odb = NULL; | |
eb2f3b47 | 40 | } |
9462c471 | 41 | } |
691aa968 | 42 | |
d00d5464 ET |
43 | static void drop_refdb(git_repository *repo) |
44 | { | |
45 | if (repo->_refdb != NULL) { | |
46 | GIT_REFCOUNT_OWN(repo->_refdb, NULL); | |
47 | git_refdb_free(repo->_refdb); | |
48 | repo->_refdb = NULL; | |
49 | } | |
50 | } | |
51 | ||
9462c471 VM |
52 | static void drop_config(git_repository *repo) |
53 | { | |
54 | if (repo->_config != NULL) { | |
55 | GIT_REFCOUNT_OWN(repo->_config, NULL); | |
56 | git_config_free(repo->_config); | |
57 | repo->_config = NULL; | |
eb2f3b47 | 58 | } |
f2c25d18 VM |
59 | |
60 | git_repository__cvar_cache_clear(repo); | |
691aa968 VM |
61 | } |
62 | ||
9462c471 | 63 | static void drop_index(git_repository *repo) |
6fd195d7 | 64 | { |
9462c471 VM |
65 | if (repo->_index != NULL) { |
66 | GIT_REFCOUNT_OWN(repo->_index, NULL); | |
67 | git_index_free(repo->_index); | |
68 | repo->_index = NULL; | |
69 | } | |
e0011be3 VM |
70 | } |
71 | ||
9462c471 | 72 | void git_repository_free(git_repository *repo) |
e0011be3 | 73 | { |
9462c471 VM |
74 | if (repo == NULL) |
75 | return; | |
6fd195d7 | 76 | |
9462c471 | 77 | git_cache_free(&repo->objects); |
73b51450 | 78 | git_attr_cache_flush(repo); |
bfc9ca59 | 79 | git_submodule_config_free(repo); |
6fd195d7 | 80 | |
9462c471 VM |
81 | git__free(repo->path_repository); |
82 | git__free(repo->workdir); | |
6fd195d7 | 83 | |
9462c471 VM |
84 | drop_config(repo); |
85 | drop_index(repo); | |
86 | drop_odb(repo); | |
d00d5464 | 87 | drop_refdb(repo); |
9462c471 VM |
88 | |
89 | git__free(repo); | |
6fd195d7 VM |
90 | } |
91 | ||
9462c471 VM |
92 | /* |
93 | * Git repository open methods | |
94 | * | |
95 | * Open a repository object from its path | |
96 | */ | |
cb8a7961 | 97 | static bool valid_repository_path(git_buf *repository_path) |
5ad739e8 | 98 | { |
97769280 | 99 | /* Check OBJECTS_DIR first, since it will generate the longest path name */ |
1a481123 | 100 | if (git_path_contains_dir(repository_path, GIT_OBJECTS_DIR) == false) |
cb8a7961 | 101 | return false; |
5ad739e8 | 102 | |
97769280 | 103 | /* Ensure HEAD file exists */ |
1a481123 | 104 | if (git_path_contains_file(repository_path, GIT_HEAD_FILE) == false) |
cb8a7961 | 105 | return false; |
5ad739e8 | 106 | |
1a481123 | 107 | if (git_path_contains_dir(repository_path, GIT_REFS_DIR) == false) |
cb8a7961 | 108 | return false; |
5ad739e8 | 109 | |
cb8a7961 | 110 | return true; |
5ad739e8 VM |
111 | } |
112 | ||
51d00446 | 113 | static git_repository *repository_alloc(void) |
3315782c VM |
114 | { |
115 | git_repository *repo = git__malloc(sizeof(git_repository)); | |
116 | if (!repo) | |
117 | return NULL; | |
118 | ||
119 | memset(repo, 0x0, sizeof(git_repository)); | |
120 | ||
cb8a7961 | 121 | if (git_cache_init(&repo->objects, GIT_DEFAULT_CACHE_SIZE, &git_object__free) < 0) { |
3286c408 | 122 | git__free(repo); |
81201a4c | 123 | return NULL; |
124 | } | |
3315782c | 125 | |
f2c25d18 VM |
126 | /* set all the entries in the cvar cache to `unset` */ |
127 | git_repository__cvar_cache_clear(repo); | |
128 | ||
6fd195d7 VM |
129 | return repo; |
130 | } | |
131 | ||
9462c471 | 132 | static int load_config_data(git_repository *repo) |
ec3c7a16 | 133 | { |
cb8a7961 | 134 | int is_bare; |
9462c471 | 135 | git_config *config; |
ec3c7a16 | 136 | |
cb8a7961 VM |
137 | if (git_repository_config__weakptr(&config, repo) < 0) |
138 | return -1; | |
ec3c7a16 | 139 | |
d3e9c4a5 | 140 | /* Try to figure out if it's bare, default to non-bare if it's not set */ |
29e948de | 141 | if (git_config_get_bool(&is_bare, config, "core.bare") < 0) |
d3e9c4a5 CMN |
142 | repo->is_bare = 0; |
143 | else | |
144 | repo->is_bare = is_bare; | |
c94785a9 | 145 | |
cb8a7961 | 146 | return 0; |
9462c471 | 147 | } |
ec3c7a16 | 148 | |
7784bcbb | 149 | static int load_workdir(git_repository *repo, git_buf *parent_path) |
9462c471 | 150 | { |
7784bcbb RB |
151 | int error; |
152 | git_config *config; | |
153 | const char *worktree; | |
154 | git_buf worktree_buf = GIT_BUF_INIT; | |
ec3c7a16 | 155 | |
97769280 | 156 | if (repo->is_bare) |
cb8a7961 | 157 | return 0; |
ec3c7a16 | 158 | |
7784bcbb | 159 | if (git_repository_config__weakptr(&config, repo) < 0) |
cb8a7961 | 160 | return -1; |
ec3c7a16 | 161 | |
29e948de | 162 | error = git_config_get_string(&worktree, config, "core.worktree"); |
5f4a61ae RB |
163 | if (!error && worktree != NULL) { |
164 | error = git_path_prettify_dir( | |
165 | &worktree_buf, worktree, repo->path_repository); | |
166 | if (error < 0) | |
167 | return error; | |
168 | repo->workdir = git_buf_detach(&worktree_buf); | |
169 | } | |
904b67e6 | 170 | else if (error != GIT_ENOTFOUND) |
7784bcbb RB |
171 | return error; |
172 | else { | |
173 | giterr_clear(); | |
174 | ||
175 | if (parent_path && git_path_isdir(parent_path->ptr)) | |
176 | repo->workdir = git_buf_detach(parent_path); | |
177 | else { | |
178 | git_path_dirname_r(&worktree_buf, repo->path_repository); | |
179 | git_path_to_dir(&worktree_buf); | |
180 | repo->workdir = git_buf_detach(&worktree_buf); | |
181 | } | |
182 | } | |
183 | ||
184 | GITERR_CHECK_ALLOC(repo->workdir); | |
97769280 | 185 | |
cb8a7961 | 186 | return 0; |
ec3c7a16 VM |
187 | } |
188 | ||
7784bcbb RB |
189 | /* |
190 | * This function returns furthest offset into path where a ceiling dir | |
191 | * is found, so we can stop processing the path at that point. | |
192 | * | |
193 | * Note: converting this to use git_bufs instead of GIT_PATH_MAX buffers on | |
194 | * the stack could remove directories name limits, but at the cost of doing | |
195 | * repeated malloc/frees inside the loop below, so let's not do it now. | |
196 | */ | |
197 | static int find_ceiling_dir_offset( | |
198 | const char *path, | |
199 | const char *ceiling_directories) | |
200 | { | |
201 | char buf[GIT_PATH_MAX + 1]; | |
202 | char buf2[GIT_PATH_MAX + 1]; | |
203 | const char *ceil, *sep; | |
44ef8b1b | 204 | size_t len, max_len = 0, min_len; |
7784bcbb RB |
205 | |
206 | assert(path); | |
207 | ||
44ef8b1b | 208 | min_len = (size_t)(git_path_root(path) + 1); |
7784bcbb RB |
209 | |
210 | if (ceiling_directories == NULL || min_len == 0) | |
44ef8b1b | 211 | return (int)min_len; |
7784bcbb RB |
212 | |
213 | for (sep = ceil = ceiling_directories; *sep; ceil = sep + 1) { | |
214 | for (sep = ceil; *sep && *sep != GIT_PATH_LIST_SEPARATOR; sep++); | |
215 | len = sep - ceil; | |
216 | ||
44ef8b1b | 217 | if (len == 0 || len >= sizeof(buf) || git_path_root(ceil) == -1) |
7784bcbb RB |
218 | continue; |
219 | ||
220 | strncpy(buf, ceil, len); | |
221 | buf[len] = '\0'; | |
222 | ||
223 | if (p_realpath(buf, buf2) == NULL) | |
224 | continue; | |
225 | ||
226 | len = strlen(buf2); | |
227 | if (len > 0 && buf2[len-1] == '/') | |
228 | buf[--len] = '\0'; | |
229 | ||
230 | if (!strncmp(path, buf2, len) && | |
231 | path[len] == '/' && | |
232 | len > max_len) | |
233 | { | |
234 | max_len = len; | |
235 | } | |
236 | } | |
237 | ||
44ef8b1b | 238 | return (int)(max_len <= min_len ? min_len : max_len); |
7784bcbb RB |
239 | } |
240 | ||
241 | /* | |
242 | * Read the contents of `file_path` and set `path_out` to the repo dir that | |
243 | * it points to. Before calling, set `path_out` to the base directory that | |
244 | * should be used if the contents of `file_path` are a relative path. | |
245 | */ | |
246 | static int read_gitfile(git_buf *path_out, const char *file_path) | |
247 | { | |
248 | int error = 0; | |
249 | git_buf file = GIT_BUF_INIT; | |
250 | size_t prefix_len = strlen(GIT_FILE_CONTENT_PREFIX); | |
251 | ||
252 | assert(path_out && file_path); | |
253 | ||
254 | if (git_futils_readbuffer(&file, file_path) < 0) | |
255 | return -1; | |
256 | ||
257 | git_buf_rtrim(&file); | |
258 | ||
662880ca RB |
259 | if (git_buf_len(&file) <= prefix_len || |
260 | memcmp(git_buf_cstr(&file), GIT_FILE_CONTENT_PREFIX, prefix_len) != 0) | |
7784bcbb RB |
261 | { |
262 | giterr_set(GITERR_REPOSITORY, "The `.git` file at '%s' is malformed", file_path); | |
263 | error = -1; | |
264 | } | |
265 | else if ((error = git_path_dirname_r(path_out, file_path)) >= 0) { | |
662880ca | 266 | const char *gitlink = git_buf_cstr(&file) + prefix_len; |
0f49200c | 267 | while (*gitlink && git__isspace(*gitlink)) gitlink++; |
662880ca RB |
268 | error = git_path_prettify_dir( |
269 | path_out, gitlink, git_buf_cstr(path_out)); | |
7784bcbb RB |
270 | } |
271 | ||
272 | git_buf_free(&file); | |
273 | return error; | |
274 | } | |
275 | ||
276 | static int find_repo( | |
277 | git_buf *repo_path, | |
278 | git_buf *parent_path, | |
279 | const char *start_path, | |
280 | uint32_t flags, | |
281 | const char *ceiling_dirs) | |
691aa968 | 282 | { |
7784bcbb RB |
283 | int error; |
284 | git_buf path = GIT_BUF_INIT; | |
285 | struct stat st; | |
286 | dev_t initial_device = 0; | |
287 | bool try_with_dot_git = false; | |
288 | int ceiling_offset; | |
289 | ||
290 | git_buf_free(repo_path); | |
291 | ||
292 | if ((error = git_path_prettify_dir(&path, start_path, NULL)) < 0) | |
293 | return error; | |
294 | ||
295 | ceiling_offset = find_ceiling_dir_offset(path.ptr, ceiling_dirs); | |
296 | ||
297 | if ((error = git_buf_joinpath(&path, path.ptr, DOT_GIT)) < 0) | |
298 | return error; | |
299 | ||
fa6420f7 | 300 | while (!error && !git_buf_len(repo_path)) { |
7784bcbb RB |
301 | if (p_stat(path.ptr, &st) == 0) { |
302 | /* check that we have not crossed device boundaries */ | |
303 | if (initial_device == 0) | |
304 | initial_device = st.st_dev; | |
305 | else if (st.st_dev != initial_device && | |
306 | (flags & GIT_REPOSITORY_OPEN_CROSS_FS) == 0) | |
307 | break; | |
308 | ||
309 | if (S_ISDIR(st.st_mode)) { | |
310 | if (valid_repository_path(&path)) { | |
311 | git_path_to_dir(&path); | |
312 | git_buf_set(repo_path, path.ptr, path.size); | |
313 | break; | |
314 | } | |
315 | } | |
316 | else if (S_ISREG(st.st_mode)) { | |
317 | git_buf repo_link = GIT_BUF_INIT; | |
318 | ||
319 | if (!(error = read_gitfile(&repo_link, path.ptr))) { | |
320 | if (valid_repository_path(&repo_link)) | |
321 | git_buf_swap(repo_path, &repo_link); | |
146f5c75 CMN |
322 | |
323 | git_buf_free(&repo_link); | |
7784bcbb RB |
324 | break; |
325 | } | |
326 | git_buf_free(&repo_link); | |
327 | } | |
328 | } | |
329 | ||
330 | /* move up one directory level */ | |
331 | if (git_path_dirname_r(&path, path.ptr) < 0) { | |
332 | error = -1; | |
333 | break; | |
334 | } | |
335 | ||
336 | if (try_with_dot_git) { | |
337 | /* if we tried original dir with and without .git AND either hit | |
338 | * directory ceiling or NO_SEARCH was requested, then be done. | |
339 | */ | |
340 | if (path.ptr[ceiling_offset] == '\0' || | |
341 | (flags & GIT_REPOSITORY_OPEN_NO_SEARCH) != 0) | |
342 | break; | |
343 | /* otherwise look first for .git item */ | |
344 | error = git_buf_joinpath(&path, path.ptr, DOT_GIT); | |
345 | } | |
346 | try_with_dot_git = !try_with_dot_git; | |
347 | } | |
348 | ||
349 | if (!error && parent_path != NULL) { | |
fa6420f7 | 350 | if (!git_buf_len(repo_path)) |
7784bcbb RB |
351 | git_buf_clear(parent_path); |
352 | else { | |
353 | git_path_dirname_r(parent_path, path.ptr); | |
354 | git_path_to_dir(parent_path); | |
355 | } | |
356 | if (git_buf_oom(parent_path)) | |
357 | return -1; | |
358 | } | |
359 | ||
360 | git_buf_free(&path); | |
361 | ||
fa6420f7 | 362 | if (!git_buf_len(repo_path) && !error) { |
cb8a7961 | 363 | giterr_set(GITERR_REPOSITORY, |
7784bcbb | 364 | "Could not find repository from '%s'", start_path); |
904b67e6 | 365 | error = GIT_ENOTFOUND; |
97769280 | 366 | } |
691aa968 | 367 | |
7784bcbb RB |
368 | return error; |
369 | } | |
370 | ||
371 | int git_repository_open_ext( | |
372 | git_repository **repo_ptr, | |
373 | const char *start_path, | |
c9fc4a6f | 374 | unsigned int flags, |
7784bcbb RB |
375 | const char *ceiling_dirs) |
376 | { | |
377 | int error; | |
378 | git_buf path = GIT_BUF_INIT, parent = GIT_BUF_INIT; | |
379 | git_repository *repo; | |
380 | ||
662880ca RB |
381 | if (repo_ptr) |
382 | *repo_ptr = NULL; | |
7784bcbb | 383 | |
662880ca RB |
384 | error = find_repo(&path, &parent, start_path, flags, ceiling_dirs); |
385 | if (error < 0 || !repo_ptr) | |
7784bcbb RB |
386 | return error; |
387 | ||
e52ed7a5 | 388 | repo = repository_alloc(); |
cb8a7961 | 389 | GITERR_CHECK_ALLOC(repo); |
691aa968 | 390 | |
7784bcbb | 391 | repo->path_repository = git_buf_detach(&path); |
cb8a7961 | 392 | GITERR_CHECK_ALLOC(repo->path_repository); |
691aa968 | 393 | |
7784bcbb RB |
394 | if ((error = load_config_data(repo)) < 0 || |
395 | (error = load_workdir(repo, &parent)) < 0) | |
396 | { | |
397 | git_repository_free(repo); | |
398 | return error; | |
399 | } | |
691aa968 | 400 | |
146f5c75 | 401 | git_buf_free(&parent); |
7784bcbb | 402 | *repo_ptr = repo; |
cb8a7961 | 403 | return 0; |
7784bcbb | 404 | } |
97769280 | 405 | |
7784bcbb RB |
406 | int git_repository_open(git_repository **repo_out, const char *path) |
407 | { | |
408 | return git_repository_open_ext( | |
409 | repo_out, path, GIT_REPOSITORY_OPEN_NO_SEARCH, NULL); | |
410 | } | |
411 | ||
6782245e CMN |
412 | int git_repository_wrap_odb(git_repository **repo_out, git_odb *odb) |
413 | { | |
414 | git_repository *repo; | |
415 | ||
416 | repo = repository_alloc(); | |
417 | GITERR_CHECK_ALLOC(repo); | |
418 | ||
419 | git_repository_set_odb(repo, odb); | |
420 | *repo_out = repo; | |
421 | ||
422 | return 0; | |
423 | } | |
424 | ||
7784bcbb RB |
425 | int git_repository_discover( |
426 | char *repository_path, | |
427 | size_t size, | |
428 | const char *start_path, | |
429 | int across_fs, | |
430 | const char *ceiling_dirs) | |
431 | { | |
432 | git_buf path = GIT_BUF_INIT; | |
433 | uint32_t flags = across_fs ? GIT_REPOSITORY_OPEN_CROSS_FS : 0; | |
464cf248 | 434 | int error; |
7784bcbb RB |
435 | |
436 | assert(start_path && repository_path && size > 0); | |
437 | ||
438 | *repository_path = '\0'; | |
439 | ||
464cf248 | 440 | if ((error = find_repo(&path, NULL, start_path, flags, ceiling_dirs)) < 0) |
904b67e6 | 441 | return error != GIT_ENOTFOUND ? -1 : error; |
7784bcbb RB |
442 | |
443 | if (size < (size_t)(path.size + 1)) { | |
444 | giterr_set(GITERR_REPOSITORY, | |
13b554e3 | 445 | "The given buffer is too small to store the discovered path"); |
7784bcbb RB |
446 | git_buf_free(&path); |
447 | return -1; | |
448 | } | |
449 | ||
450 | /* success: we discovered a repository */ | |
451 | git_buf_copy_cstr(repository_path, size, &path); | |
452 | git_buf_free(&path); | |
453 | return 0; | |
691aa968 VM |
454 | } |
455 | ||
9462c471 | 456 | static int load_config( |
7784bcbb RB |
457 | git_config **out, |
458 | git_repository *repo, | |
459 | const char *global_config_path, | |
4258d483 | 460 | const char *xdg_config_path, |
7784bcbb | 461 | const char *system_config_path) |
b22d1479 | 462 | { |
cc6b4162 | 463 | int error; |
97769280 | 464 | git_buf config_path = GIT_BUF_INIT; |
9462c471 | 465 | git_config *cfg = NULL; |
b22d1479 | 466 | |
9462c471 | 467 | assert(repo && out); |
07ff8817 | 468 | |
cc6b4162 RB |
469 | if ((error = git_config_new(&cfg)) < 0) |
470 | return error; | |
b22d1479 | 471 | |
cc6b4162 RB |
472 | error = git_buf_joinpath( |
473 | &config_path, repo->path_repository, GIT_CONFIG_FILENAME_INREPO); | |
474 | if (error < 0) | |
cb8a7961 | 475 | goto on_error; |
97769280 | 476 | |
cc6b4162 RB |
477 | if ((error = git_config_add_file_ondisk( |
478 | cfg, config_path.ptr, GIT_CONFIG_LEVEL_LOCAL, 0)) < 0 && | |
479 | error != GIT_ENOTFOUND) | |
cb8a7961 VM |
480 | goto on_error; |
481 | ||
482 | git_buf_free(&config_path); | |
b22d1479 | 483 | |
cc6b4162 RB |
484 | if (global_config_path != NULL && |
485 | (error = git_config_add_file_ondisk( | |
486 | cfg, global_config_path, GIT_CONFIG_LEVEL_GLOBAL, 0)) < 0 && | |
487 | error != GIT_ENOTFOUND) | |
488 | goto on_error; | |
8b4f9b17 | 489 | |
cc6b4162 RB |
490 | if (xdg_config_path != NULL && |
491 | (error = git_config_add_file_ondisk( | |
492 | cfg, xdg_config_path, GIT_CONFIG_LEVEL_XDG, 0)) < 0 && | |
493 | error != GIT_ENOTFOUND) | |
494 | goto on_error; | |
b22d1479 | 495 | |
cc6b4162 RB |
496 | if (system_config_path != NULL && |
497 | (error = git_config_add_file_ondisk( | |
498 | cfg, system_config_path, GIT_CONFIG_LEVEL_SYSTEM, 0)) < 0 && | |
499 | error != GIT_ENOTFOUND) | |
500 | goto on_error; | |
9ba9e513 | 501 | |
38f7d026 RB |
502 | giterr_clear(); /* clear any lingering ENOTFOUND errors */ |
503 | ||
9462c471 | 504 | *out = cfg; |
cb8a7961 | 505 | return 0; |
b22d1479 | 506 | |
cb8a7961 VM |
507 | on_error: |
508 | git_buf_free(&config_path); | |
9462c471 VM |
509 | git_config_free(cfg); |
510 | *out = NULL; | |
cc6b4162 | 511 | return error; |
b22d1479 CMN |
512 | } |
513 | ||
9462c471 | 514 | int git_repository_config__weakptr(git_config **out, git_repository *repo) |
40fe5fbe | 515 | { |
9462c471 | 516 | if (repo->_config == NULL) { |
4258d483 | 517 | git_buf global_buf = GIT_BUF_INIT, xdg_buf = GIT_BUF_INIT, system_buf = GIT_BUF_INIT; |
cb8a7961 | 518 | int res; |
9462c471 VM |
519 | |
520 | const char *global_config_path = NULL; | |
4258d483 | 521 | const char *xdg_config_path = NULL; |
9462c471 | 522 | const char *system_config_path = NULL; |
40fe5fbe | 523 | |
cb8a7961 | 524 | if (git_config_find_global_r(&global_buf) == 0) |
97769280 | 525 | global_config_path = global_buf.ptr; |
40fe5fbe | 526 | |
4258d483 SS |
527 | if (git_config_find_xdg_r(&xdg_buf) == 0) |
528 | xdg_config_path = xdg_buf.ptr; | |
8b4f9b17 | 529 | |
cb8a7961 | 530 | if (git_config_find_system_r(&system_buf) == 0) |
97769280 | 531 | system_config_path = system_buf.ptr; |
40fe5fbe | 532 | |
4258d483 | 533 | res = load_config(&repo->_config, repo, global_config_path, xdg_config_path, system_config_path); |
97769280 RB |
534 | |
535 | git_buf_free(&global_buf); | |
a8918418 | 536 | git_buf_free(&xdg_buf); |
97769280 RB |
537 | git_buf_free(&system_buf); |
538 | ||
cb8a7961 VM |
539 | if (res < 0) |
540 | return -1; | |
9462c471 VM |
541 | |
542 | GIT_REFCOUNT_OWN(repo->_config, repo); | |
543 | } | |
40fe5fbe | 544 | |
9462c471 | 545 | *out = repo->_config; |
cb8a7961 | 546 | return 0; |
40fe5fbe CMN |
547 | } |
548 | ||
9462c471 | 549 | int git_repository_config(git_config **out, git_repository *repo) |
fd0574e5 | 550 | { |
cb8a7961 VM |
551 | if (git_repository_config__weakptr(out, repo) < 0) |
552 | return -1; | |
fd0574e5 | 553 | |
cb8a7961 VM |
554 | GIT_REFCOUNT_INC(*out); |
555 | return 0; | |
9462c471 VM |
556 | } |
557 | ||
558 | void git_repository_set_config(git_repository *repo, git_config *config) | |
559 | { | |
560 | assert(repo && config); | |
561 | ||
562 | drop_config(repo); | |
563 | ||
564 | repo->_config = config; | |
565 | GIT_REFCOUNT_OWN(repo->_config, repo); | |
25e7c9b7 | 566 | GIT_REFCOUNT_INC(repo->_config); |
9462c471 VM |
567 | } |
568 | ||
569 | int git_repository_odb__weakptr(git_odb **out, git_repository *repo) | |
570 | { | |
571 | assert(repo && out); | |
572 | ||
573 | if (repo->_odb == NULL) { | |
97769280 | 574 | git_buf odb_path = GIT_BUF_INIT; |
cb8a7961 | 575 | int res; |
9462c471 | 576 | |
cb8a7961 VM |
577 | if (git_buf_joinpath(&odb_path, repo->path_repository, GIT_OBJECTS_DIR) < 0) |
578 | return -1; | |
9462c471 | 579 | |
cb8a7961 | 580 | res = git_odb_open(&repo->_odb, odb_path.ptr); |
97769280 | 581 | git_buf_free(&odb_path); /* done with path */ |
cb8a7961 VM |
582 | |
583 | if (res < 0) | |
584 | return -1; | |
9462c471 VM |
585 | |
586 | GIT_REFCOUNT_OWN(repo->_odb, repo); | |
587 | } | |
fd0574e5 | 588 | |
9462c471 | 589 | *out = repo->_odb; |
cb8a7961 | 590 | return 0; |
fd0574e5 RG |
591 | } |
592 | ||
9462c471 | 593 | int git_repository_odb(git_odb **out, git_repository *repo) |
6fd195d7 | 594 | { |
cb8a7961 VM |
595 | if (git_repository_odb__weakptr(out, repo) < 0) |
596 | return -1; | |
1795f879 | 597 | |
cb8a7961 VM |
598 | GIT_REFCOUNT_INC(*out); |
599 | return 0; | |
9462c471 | 600 | } |
6fd195d7 | 601 | |
9462c471 VM |
602 | void git_repository_set_odb(git_repository *repo, git_odb *odb) |
603 | { | |
604 | assert(repo && odb); | |
3315782c | 605 | |
9462c471 | 606 | drop_odb(repo); |
1795f879 | 607 | |
9462c471 VM |
608 | repo->_odb = odb; |
609 | GIT_REFCOUNT_OWN(repo->_odb, repo); | |
baf861a5 | 610 | GIT_REFCOUNT_INC(odb); |
9462c471 VM |
611 | } |
612 | ||
d00d5464 ET |
613 | int git_repository_refdb__weakptr(git_refdb **out, git_repository *repo) |
614 | { | |
615 | assert(out && repo); | |
616 | ||
617 | if (repo->_refdb == NULL) { | |
618 | int res; | |
619 | ||
620 | res = git_refdb_open(&repo->_refdb, repo); | |
621 | ||
622 | if (res < 0) | |
623 | return -1; | |
624 | ||
625 | GIT_REFCOUNT_OWN(repo->_refdb, repo); | |
626 | } | |
627 | ||
628 | *out = repo->_refdb; | |
629 | return 0; | |
630 | } | |
631 | ||
632 | int git_repository_refdb(git_refdb **out, git_repository *repo) | |
633 | { | |
634 | if (git_repository_refdb__weakptr(out, repo) < 0) | |
635 | return -1; | |
636 | ||
637 | GIT_REFCOUNT_INC(*out); | |
638 | return 0; | |
639 | } | |
640 | ||
641 | void git_repository_set_refdb(git_repository *repo, git_refdb *refdb) | |
642 | { | |
643 | assert (repo && refdb); | |
644 | ||
645 | drop_refdb(repo); | |
646 | ||
647 | repo->_refdb = refdb; | |
648 | GIT_REFCOUNT_OWN(repo->_refdb, repo); | |
649 | GIT_REFCOUNT_INC(refdb); | |
650 | } | |
651 | ||
9462c471 VM |
652 | int git_repository_index__weakptr(git_index **out, git_repository *repo) |
653 | { | |
654 | assert(out && repo); | |
655 | ||
9462c471 | 656 | if (repo->_index == NULL) { |
cb8a7961 | 657 | int res; |
97769280 | 658 | git_buf index_path = GIT_BUF_INIT; |
9462c471 | 659 | |
cb8a7961 VM |
660 | if (git_buf_joinpath(&index_path, repo->path_repository, GIT_INDEX_FILE) < 0) |
661 | return -1; | |
9462c471 | 662 | |
cb8a7961 | 663 | res = git_index_open(&repo->_index, index_path.ptr); |
97769280 | 664 | git_buf_free(&index_path); /* done with path */ |
cb8a7961 VM |
665 | |
666 | if (res < 0) | |
667 | return -1; | |
9462c471 VM |
668 | |
669 | GIT_REFCOUNT_OWN(repo->_index, repo); | |
da825c92 RB |
670 | |
671 | if (git_index_set_caps(repo->_index, GIT_INDEXCAP_FROM_OWNER) < 0) | |
672 | return -1; | |
9462c471 VM |
673 | } |
674 | ||
9462c471 | 675 | *out = repo->_index; |
cb8a7961 | 676 | return 0; |
9462c471 | 677 | } |
1795f879 | 678 | |
9462c471 VM |
679 | int git_repository_index(git_index **out, git_repository *repo) |
680 | { | |
cb8a7961 VM |
681 | if (git_repository_index__weakptr(out, repo) < 0) |
682 | return -1; | |
9462c471 | 683 | |
cb8a7961 VM |
684 | GIT_REFCOUNT_INC(*out); |
685 | return 0; | |
3315782c VM |
686 | } |
687 | ||
9462c471 VM |
688 | void git_repository_set_index(git_repository *repo, git_index *index) |
689 | { | |
690 | assert(repo && index); | |
691 | ||
692 | drop_index(repo); | |
693 | ||
694 | repo->_index = index; | |
695 | GIT_REFCOUNT_OWN(repo->_index, repo); | |
c1aefb35 | 696 | GIT_REFCOUNT_INC(index); |
9462c471 VM |
697 | } |
698 | ||
2c227b8b | 699 | static int check_repositoryformatversion(git_config *config) |
40c44d2f | 700 | { |
cb8a7961 | 701 | int version; |
5663e61a | 702 | |
29e948de | 703 | if (git_config_get_int32(&version, config, "core.repositoryformatversion") < 0) |
cb8a7961 | 704 | return -1; |
5663e61a | 705 | |
29e948de | 706 | if (GIT_REPO_VERSION < version) { |
cb8a7961 VM |
707 | giterr_set(GITERR_REPOSITORY, |
708 | "Unsupported repository version %d. Only versions up to %d are supported.", | |
29e948de | 709 | version, GIT_REPO_VERSION); |
cb8a7961 VM |
710 | return -1; |
711 | } | |
5663e61a | 712 | |
cb8a7961 | 713 | return 0; |
5663e61a | 714 | } |
715 | ||
662880ca | 716 | static int repo_init_create_head(const char *git_dir, const char *ref_name) |
e1f8cad0 | 717 | { |
97769280 | 718 | git_buf ref_path = GIT_BUF_INIT; |
9462c471 | 719 | git_filebuf ref = GIT_FILEBUF_INIT; |
662880ca | 720 | const char *fmt; |
9462c471 | 721 | |
cb8a7961 | 722 | if (git_buf_joinpath(&ref_path, git_dir, GIT_HEAD_FILE) < 0 || |
662880ca RB |
723 | git_filebuf_open(&ref, ref_path.ptr, 0) < 0) |
724 | goto fail; | |
725 | ||
726 | if (!ref_name) | |
727 | ref_name = GIT_BRANCH_MASTER; | |
728 | ||
74a24005 | 729 | if (git__prefixcmp(ref_name, GIT_REFS_DIR) == 0) |
662880ca RB |
730 | fmt = "ref: %s\n"; |
731 | else | |
74a24005 | 732 | fmt = "ref: " GIT_REFS_HEADS_DIR "%s\n"; |
662880ca RB |
733 | |
734 | if (git_filebuf_printf(&ref, fmt, ref_name) < 0 || | |
cb8a7961 | 735 | git_filebuf_commit(&ref, GIT_REFS_FILE_MODE) < 0) |
662880ca | 736 | goto fail; |
9462c471 | 737 | |
97769280 | 738 | git_buf_free(&ref_path); |
cb8a7961 | 739 | return 0; |
662880ca RB |
740 | |
741 | fail: | |
742 | git_buf_free(&ref_path); | |
743 | git_filebuf_cleanup(&ref); | |
744 | return -1; | |
9462c471 VM |
745 | } |
746 | ||
fac66990 | 747 | static bool is_chmod_supported(const char *file_path) |
748 | { | |
749 | struct stat st1, st2; | |
750 | static int _is_supported = -1; | |
751 | ||
752 | if (_is_supported > -1) | |
753 | return _is_supported; | |
754 | ||
755 | if (p_stat(file_path, &st1) < 0) | |
756 | return false; | |
757 | ||
758 | if (p_chmod(file_path, st1.st_mode ^ S_IXUSR) < 0) | |
759 | return false; | |
760 | ||
761 | if (p_stat(file_path, &st2) < 0) | |
762 | return false; | |
763 | ||
764 | _is_supported = (st1.st_mode != st2.st_mode); | |
ca1b6e54 | 765 | |
fac66990 | 766 | return _is_supported; |
767 | } | |
768 | ||
693b23c0 | 769 | static bool is_filesystem_case_insensitive(const char *gitdir_path) |
770 | { | |
771 | git_buf path = GIT_BUF_INIT; | |
772 | static int _is_insensitive = -1; | |
773 | ||
774 | if (_is_insensitive > -1) | |
775 | return _is_insensitive; | |
776 | ||
777 | if (git_buf_joinpath(&path, gitdir_path, "CoNfIg") < 0) | |
778 | goto cleanup; | |
779 | ||
780 | _is_insensitive = git_path_exists(git_buf_cstr(&path)); | |
781 | ||
782 | cleanup: | |
783 | git_buf_free(&path); | |
784 | return _is_insensitive; | |
785 | } | |
786 | ||
ca1b6e54 RB |
787 | static bool are_symlinks_supported(const char *wd_path) |
788 | { | |
789 | git_buf path = GIT_BUF_INIT; | |
790 | int fd; | |
791 | struct stat st; | |
792 | static int _symlinks_supported = -1; | |
793 | ||
794 | if (_symlinks_supported > -1) | |
795 | return _symlinks_supported; | |
796 | ||
797 | if ((fd = git_futils_mktmp(&path, wd_path)) < 0 || | |
798 | p_close(fd) < 0 || | |
799 | p_unlink(path.ptr) < 0 || | |
800 | p_symlink("testing", path.ptr) < 0 || | |
801 | p_lstat(path.ptr, &st) < 0) | |
802 | _symlinks_supported = false; | |
803 | else | |
804 | _symlinks_supported = (S_ISLNK(st.st_mode) != 0); | |
805 | ||
806 | (void)p_unlink(path.ptr); | |
807 | git_buf_free(&path); | |
808 | ||
809 | return _symlinks_supported; | |
810 | } | |
811 | ||
270160b9 | 812 | static int create_empty_file(const char *path, mode_t mode) |
813 | { | |
814 | int fd; | |
815 | ||
816 | if ((fd = p_creat(path, mode)) < 0) { | |
817 | giterr_set(GITERR_OS, "Error while creating '%s'", path); | |
818 | return -1; | |
819 | } | |
820 | ||
821 | if (p_close(fd) < 0) { | |
822 | giterr_set(GITERR_OS, "Error while closing '%s'", path); | |
823 | return -1; | |
824 | } | |
825 | ||
826 | return 0; | |
827 | } | |
828 | ||
662880ca | 829 | static int repo_init_config( |
ca1b6e54 RB |
830 | const char *repo_dir, |
831 | const char *work_dir, | |
832 | git_repository_init_options *opts) | |
9462c471 | 833 | { |
ca1b6e54 | 834 | int error = 0; |
97769280 RB |
835 | git_buf cfg_path = GIT_BUF_INIT; |
836 | git_config *config = NULL; | |
9462c471 | 837 | |
ca1b6e54 RB |
838 | #define SET_REPO_CONFIG(TYPE, NAME, VAL) do {\ |
839 | if ((error = git_config_set_##TYPE(config, NAME, VAL)) < 0) \ | |
840 | goto cleanup; } while (0) | |
9462c471 | 841 | |
ca1b6e54 | 842 | if (git_buf_joinpath(&cfg_path, repo_dir, GIT_CONFIG_FILENAME_INREPO) < 0) |
cb8a7961 | 843 | return -1; |
9462c471 | 844 | |
270160b9 | 845 | if (!git_path_isfile(git_buf_cstr(&cfg_path)) && |
846 | create_empty_file(git_buf_cstr(&cfg_path), GIT_CONFIG_FILE_MODE) < 0) { | |
847 | git_buf_free(&cfg_path); | |
848 | return -1; | |
849 | } | |
850 | ||
fac66990 | 851 | if (git_config_open_ondisk(&config, git_buf_cstr(&cfg_path)) < 0) { |
cb8a7961 VM |
852 | git_buf_free(&cfg_path); |
853 | return -1; | |
854 | } | |
9462c471 | 855 | |
662880ca | 856 | if ((opts->flags & GIT_REPOSITORY_INIT__IS_REINIT) != 0 && |
ca1b6e54 RB |
857 | (error = check_repositoryformatversion(config)) < 0) |
858 | goto cleanup; | |
2c227b8b | 859 | |
662880ca RB |
860 | SET_REPO_CONFIG( |
861 | bool, "core.bare", (opts->flags & GIT_REPOSITORY_INIT_BARE) != 0); | |
862 | SET_REPO_CONFIG( | |
863 | int32, "core.repositoryformatversion", GIT_REPO_VERSION); | |
864 | SET_REPO_CONFIG( | |
865 | bool, "core.filemode", is_chmod_supported(git_buf_cstr(&cfg_path))); | |
866 | ||
ca1b6e54 | 867 | if (!(opts->flags & GIT_REPOSITORY_INIT_BARE)) { |
7623b1b6 | 868 | SET_REPO_CONFIG(bool, "core.logallrefupdates", true); |
869 | ||
ca1b6e54 RB |
870 | if (!are_symlinks_supported(work_dir)) |
871 | SET_REPO_CONFIG(bool, "core.symlinks", false); | |
872 | ||
873 | if (!(opts->flags & GIT_REPOSITORY_INIT__NATURAL_WD)) { | |
874 | SET_REPO_CONFIG(string, "core.worktree", work_dir); | |
875 | } | |
876 | else if ((opts->flags & GIT_REPOSITORY_INIT__IS_REINIT) != 0) { | |
54b2a37a | 877 | if (git_config_delete_entry(config, "core.worktree") < 0) |
89cd5708 | 878 | giterr_clear(); |
ca1b6e54 RB |
879 | } |
880 | } else { | |
881 | if (!are_symlinks_supported(repo_dir)) | |
882 | SET_REPO_CONFIG(bool, "core.symlinks", false); | |
883 | } | |
884 | ||
662880ca | 885 | if (!(opts->flags & GIT_REPOSITORY_INIT__IS_REINIT) && |
ca1b6e54 | 886 | is_filesystem_case_insensitive(repo_dir)) |
693b23c0 | 887 | SET_REPO_CONFIG(bool, "core.ignorecase", true); |
662880ca | 888 | |
ca1b6e54 | 889 | if (opts->mode == GIT_REPOSITORY_INIT_SHARED_GROUP) { |
662880ca RB |
890 | SET_REPO_CONFIG(int32, "core.sharedrepository", 1); |
891 | SET_REPO_CONFIG(bool, "receive.denyNonFastforwards", true); | |
ca1b6e54 RB |
892 | } |
893 | else if (opts->mode == GIT_REPOSITORY_INIT_SHARED_ALL) { | |
662880ca RB |
894 | SET_REPO_CONFIG(int32, "core.sharedrepository", 2); |
895 | SET_REPO_CONFIG(bool, "receive.denyNonFastforwards", true); | |
896 | } | |
9462c471 | 897 | |
ca1b6e54 | 898 | cleanup: |
97769280 | 899 | git_buf_free(&cfg_path); |
9462c471 | 900 | git_config_free(config); |
662880ca | 901 | |
ca1b6e54 | 902 | return error; |
d2d6912e | 903 | } |
e1f8cad0 | 904 | |
dc34da6e | 905 | static int repo_write_template( |
991a56c7 RB |
906 | const char *git_dir, |
907 | bool allow_overwrite, | |
908 | const char *file, | |
909 | mode_t mode, | |
662880ca | 910 | bool hidden, |
991a56c7 | 911 | const char *content) |
dc34da6e RB |
912 | { |
913 | git_buf path = GIT_BUF_INIT; | |
991a56c7 | 914 | int fd, error = 0, flags; |
dc34da6e RB |
915 | |
916 | if (git_buf_joinpath(&path, git_dir, file) < 0) | |
917 | return -1; | |
918 | ||
991a56c7 RB |
919 | if (allow_overwrite) |
920 | flags = O_WRONLY | O_CREAT | O_TRUNC; | |
921 | else | |
922 | flags = O_WRONLY | O_CREAT | O_EXCL; | |
923 | ||
924 | fd = p_open(git_buf_cstr(&path), flags, mode); | |
dc34da6e | 925 | |
db628072 RB |
926 | if (fd >= 0) { |
927 | error = p_write(fd, content, strlen(content)); | |
dc34da6e | 928 | |
db628072 RB |
929 | p_close(fd); |
930 | } | |
931 | else if (errno != EEXIST) | |
932 | error = fd; | |
dc34da6e | 933 | |
662880ca RB |
934 | #ifdef GIT_WIN32 |
935 | if (!error && hidden) { | |
936 | if (p_hide_directory__w32(path.ptr) < 0) | |
937 | error = -1; | |
938 | } | |
939 | #else | |
940 | GIT_UNUSED(hidden); | |
941 | #endif | |
942 | ||
dc34da6e | 943 | git_buf_free(&path); |
db628072 RB |
944 | |
945 | if (error) | |
946 | giterr_set(GITERR_OS, | |
947 | "Failed to initialize repository with template '%s'", file); | |
948 | ||
949 | return error; | |
dc34da6e RB |
950 | } |
951 | ||
662880ca RB |
952 | static int repo_write_gitlink( |
953 | const char *in_dir, const char *to_repo) | |
4b8e27c8 | 954 | { |
662880ca RB |
955 | int error; |
956 | git_buf buf = GIT_BUF_INIT; | |
957 | struct stat st; | |
958 | ||
959 | git_path_dirname_r(&buf, to_repo); | |
960 | git_path_to_dir(&buf); | |
961 | if (git_buf_oom(&buf)) | |
cb8a7961 | 962 | return -1; |
a67a096a | 963 | |
662880ca RB |
964 | /* don't write gitlink to natural workdir */ |
965 | if (git__suffixcmp(to_repo, "/" DOT_GIT "/") == 0 && | |
966 | strcmp(in_dir, buf.ptr) == 0) | |
967 | { | |
968 | error = GIT_PASSTHROUGH; | |
969 | goto cleanup; | |
970 | } | |
971 | ||
972 | if ((error = git_buf_joinpath(&buf, in_dir, DOT_GIT)) < 0) | |
973 | goto cleanup; | |
974 | ||
975 | if (!p_stat(buf.ptr, &st) && !S_ISREG(st.st_mode)) { | |
976 | giterr_set(GITERR_REPOSITORY, | |
977 | "Cannot overwrite gitlink file into path '%s'", in_dir); | |
978 | error = GIT_EEXISTS; | |
979 | goto cleanup; | |
980 | } | |
981 | ||
982 | git_buf_clear(&buf); | |
983 | ||
984 | error = git_buf_printf(&buf, "%s %s", GIT_FILE_CONTENT_PREFIX, to_repo); | |
985 | ||
986 | if (!error) | |
18f08264 | 987 | error = repo_write_template(in_dir, true, DOT_GIT, 0666, true, buf.ptr); |
662880ca RB |
988 | |
989 | cleanup: | |
990 | git_buf_free(&buf); | |
991 | return error; | |
992 | } | |
993 | ||
ca1b6e54 RB |
994 | static mode_t pick_dir_mode(git_repository_init_options *opts) |
995 | { | |
996 | if (opts->mode == GIT_REPOSITORY_INIT_SHARED_UMASK) | |
18f08264 | 997 | return 0777; |
ca1b6e54 RB |
998 | if (opts->mode == GIT_REPOSITORY_INIT_SHARED_GROUP) |
999 | return (0775 | S_ISGID); | |
1000 | if (opts->mode == GIT_REPOSITORY_INIT_SHARED_ALL) | |
1001 | return (0777 | S_ISGID); | |
1002 | return opts->mode; | |
1003 | } | |
1004 | ||
662880ca RB |
1005 | #include "repo_template.h" |
1006 | ||
1007 | static int repo_init_structure( | |
1008 | const char *repo_dir, | |
1009 | const char *work_dir, | |
1010 | git_repository_init_options *opts) | |
1011 | { | |
ca1b6e54 | 1012 | int error = 0; |
662880ca | 1013 | repo_template_item *tpl; |
ca1b6e54 RB |
1014 | bool external_tpl = |
1015 | ((opts->flags & GIT_REPOSITORY_INIT_EXTERNAL_TEMPLATE) != 0); | |
1016 | mode_t dmode = pick_dir_mode(opts); | |
662880ca RB |
1017 | |
1018 | /* Hide the ".git" directory */ | |
17837602 | 1019 | #ifdef GIT_WIN32 |
2eb4edf5 | 1020 | if ((opts->flags & GIT_REPOSITORY_INIT__HAS_DOTGIT) != 0) { |
662880ca | 1021 | if (p_hide_directory__w32(repo_dir) < 0) { |
cb8a7961 VM |
1022 | giterr_set(GITERR_REPOSITORY, |
1023 | "Failed to mark Git repository folder as hidden"); | |
1024 | return -1; | |
1025 | } | |
17837602 | 1026 | } |
2eb4edf5 RB |
1027 | #endif |
1028 | ||
1029 | /* Create the .git gitlink if appropriate */ | |
1030 | if ((opts->flags & GIT_REPOSITORY_INIT_BARE) == 0 && | |
1031 | (opts->flags & GIT_REPOSITORY_INIT__NATURAL_WD) == 0) | |
1032 | { | |
662880ca | 1033 | if (repo_write_gitlink(work_dir, repo_dir) < 0) |
cb8a7961 | 1034 | return -1; |
97769280 | 1035 | } |
1c2c7c0d | 1036 | |
ca1b6e54 RB |
1037 | /* Copy external template if requested */ |
1038 | if (external_tpl) { | |
1039 | git_config *cfg; | |
1040 | const char *tdir; | |
662880ca | 1041 | |
ca1b6e54 RB |
1042 | if (opts->template_path) |
1043 | tdir = opts->template_path; | |
85bd1746 | 1044 | else if ((error = git_config_open_default(&cfg)) < 0) |
ca1b6e54 RB |
1045 | return error; |
1046 | else { | |
1047 | error = git_config_get_string(&tdir, cfg, "init.templatedir"); | |
662880ca | 1048 | |
ca1b6e54 | 1049 | git_config_free(cfg); |
662880ca | 1050 | |
ca1b6e54 RB |
1051 | if (error && error != GIT_ENOTFOUND) |
1052 | return error; | |
1053 | ||
1054 | giterr_clear(); | |
1055 | tdir = GIT_TEMPLATE_DIR; | |
662880ca | 1056 | } |
ca1b6e54 RB |
1057 | |
1058 | error = git_futils_cp_r(tdir, repo_dir, | |
18f08264 RB |
1059 | GIT_CPDIR_COPY_SYMLINKS | GIT_CPDIR_CHMOD_DIRS | |
1060 | GIT_CPDIR_SIMPLE_TO_MODE, dmode); | |
ca1b6e54 RB |
1061 | |
1062 | if (error < 0) { | |
1063 | if (strcmp(tdir, GIT_TEMPLATE_DIR) != 0) | |
1064 | return error; | |
1065 | ||
1066 | /* if template was default, ignore error and use internal */ | |
1067 | giterr_clear(); | |
1068 | external_tpl = false; | |
b7b1acfd | 1069 | error = 0; |
ca1b6e54 RB |
1070 | } |
1071 | } | |
1072 | ||
1073 | /* Copy internal template | |
1074 | * - always ensure existence of dirs | |
1075 | * - only create files if no external template was specified | |
1076 | */ | |
1077 | for (tpl = repo_template; !error && tpl->path; ++tpl) { | |
1078 | if (!tpl->content) | |
1079 | error = git_futils_mkdir( | |
1080 | tpl->path, repo_dir, dmode, GIT_MKDIR_PATH | GIT_MKDIR_CHMOD); | |
1081 | else if (!external_tpl) { | |
662880ca RB |
1082 | const char *content = tpl->content; |
1083 | ||
1084 | if (opts->description && strcmp(tpl->path, GIT_DESC_FILE) == 0) | |
1085 | content = opts->description; | |
1086 | ||
ca1b6e54 RB |
1087 | error = repo_write_template( |
1088 | repo_dir, false, tpl->path, tpl->mode, false, content); | |
662880ca | 1089 | } |
dc34da6e RB |
1090 | } |
1091 | ||
ca1b6e54 | 1092 | return error; |
4b8e27c8 | 1093 | } |
1094 | ||
3c42e4ef RB |
1095 | static int mkdir_parent(git_buf *buf, uint32_t mode, bool skip2) |
1096 | { | |
0d1b094b RB |
1097 | /* When making parent directories during repository initialization |
1098 | * don't try to set gid or grant world write access | |
1099 | */ | |
3c42e4ef | 1100 | return git_futils_mkdir( |
0d1b094b | 1101 | buf->ptr, NULL, mode & ~(S_ISGID | 0002), |
3c42e4ef RB |
1102 | GIT_MKDIR_PATH | GIT_MKDIR_VERIFY_DIR | |
1103 | (skip2 ? GIT_MKDIR_SKIP_LAST2 : GIT_MKDIR_SKIP_LAST)); | |
1104 | } | |
1105 | ||
662880ca RB |
1106 | static int repo_init_directories( |
1107 | git_buf *repo_path, | |
1108 | git_buf *wd_path, | |
1109 | const char *given_repo, | |
1110 | git_repository_init_options *opts) | |
4b8e27c8 | 1111 | { |
662880ca | 1112 | int error = 0; |
3c42e4ef | 1113 | bool is_bare, add_dotgit, has_dotgit, natural_wd; |
ca1b6e54 | 1114 | mode_t dirmode; |
932d1baf | 1115 | |
3c42e4ef RB |
1116 | /* There are three possible rules for what we are allowed to create: |
1117 | * - MKPATH means anything we need | |
1118 | * - MKDIR means just the .git directory and its parent and the workdir | |
1119 | * - Neither means only the .git directory can be created | |
1120 | * | |
1121 | * There are 5 "segments" of path that we might need to deal with: | |
1122 | * 1. The .git directory | |
1123 | * 2. The parent of the .git directory | |
1124 | * 3. Everything above the parent of the .git directory | |
1125 | * 4. The working directory (often the same as #2) | |
1126 | * 5. Everything above the working directory (often the same as #3) | |
1127 | * | |
1128 | * For all directories created, we start with the init_mode value for | |
1129 | * permissions and then strip off bits in some cases: | |
1130 | * | |
1131 | * For MKPATH, we create #3 (and #5) paths without S_ISGID or S_IWOTH | |
1132 | * For MKPATH and MKDIR, we create #2 (and #4) without S_ISGID | |
1133 | * For all rules, we create #1 using the untouched init_mode | |
1134 | */ | |
1135 | ||
662880ca | 1136 | /* set up repo path */ |
4b8e27c8 | 1137 | |
3c42e4ef RB |
1138 | is_bare = ((opts->flags & GIT_REPOSITORY_INIT_BARE) != 0); |
1139 | ||
662880ca RB |
1140 | add_dotgit = |
1141 | (opts->flags & GIT_REPOSITORY_INIT_NO_DOTGIT_DIR) == 0 && | |
3c42e4ef | 1142 | !is_bare && |
662880ca RB |
1143 | git__suffixcmp(given_repo, "/" DOT_GIT) != 0 && |
1144 | git__suffixcmp(given_repo, "/" GIT_DIR) != 0; | |
4b8e27c8 | 1145 | |
662880ca RB |
1146 | if (git_buf_joinpath(repo_path, given_repo, add_dotgit ? GIT_DIR : "") < 0) |
1147 | return -1; | |
693b23c0 | 1148 | |
662880ca RB |
1149 | has_dotgit = (git__suffixcmp(repo_path->ptr, "/" GIT_DIR) == 0); |
1150 | if (has_dotgit) | |
1151 | opts->flags |= GIT_REPOSITORY_INIT__HAS_DOTGIT; | |
1152 | ||
1153 | /* set up workdir path */ | |
1154 | ||
3c42e4ef | 1155 | if (!is_bare) { |
662880ca | 1156 | if (opts->workdir_path) { |
ca1b6e54 RB |
1157 | if (git_path_join_unrooted( |
1158 | wd_path, opts->workdir_path, repo_path->ptr, NULL) < 0) | |
1159 | return -1; | |
662880ca RB |
1160 | } else if (has_dotgit) { |
1161 | if (git_path_dirname_r(wd_path, repo_path->ptr) < 0) | |
1162 | return -1; | |
1163 | } else { | |
1164 | giterr_set(GITERR_REPOSITORY, "Cannot pick working directory" | |
1165 | " for non-bare repository that isn't a '.git' directory"); | |
1166 | return -1; | |
1167 | } | |
693b23c0 | 1168 | |
662880ca RB |
1169 | if (git_path_to_dir(wd_path) < 0) |
1170 | return -1; | |
1171 | } else { | |
1172 | git_buf_clear(wd_path); | |
1173 | } | |
1174 | ||
1175 | natural_wd = | |
1176 | has_dotgit && | |
1177 | wd_path->size > 0 && | |
1178 | wd_path->size + strlen(GIT_DIR) == repo_path->size && | |
1179 | memcmp(repo_path->ptr, wd_path->ptr, wd_path->size) == 0; | |
1180 | if (natural_wd) | |
1181 | opts->flags |= GIT_REPOSITORY_INIT__NATURAL_WD; | |
1182 | ||
662880ca RB |
1183 | /* create directories as needed / requested */ |
1184 | ||
ca1b6e54 | 1185 | dirmode = pick_dir_mode(opts); |
662880ca | 1186 | |
3c42e4ef RB |
1187 | if ((opts->flags & GIT_REPOSITORY_INIT_MKPATH) != 0) { |
1188 | /* create path #5 */ | |
1189 | if (wd_path->size > 0 && | |
1190 | (error = mkdir_parent(wd_path, dirmode, false)) < 0) | |
1191 | return error; | |
1192 | ||
1193 | /* create path #3 (if not the same as #5) */ | |
1194 | if (!natural_wd && | |
1195 | (error = mkdir_parent(repo_path, dirmode, has_dotgit)) < 0) | |
1196 | return error; | |
1197 | } | |
1198 | ||
1199 | if ((opts->flags & GIT_REPOSITORY_INIT_MKDIR) != 0 || | |
1200 | (opts->flags & GIT_REPOSITORY_INIT_MKPATH) != 0) | |
1201 | { | |
1202 | /* create path #4 */ | |
1203 | if (wd_path->size > 0 && | |
1204 | (error = git_futils_mkdir( | |
1205 | wd_path->ptr, NULL, dirmode & ~S_ISGID, | |
1206 | GIT_MKDIR_VERIFY_DIR)) < 0) | |
1207 | return error; | |
1208 | ||
1209 | /* create path #2 (if not the same as #4) */ | |
1210 | if (!natural_wd && | |
1211 | (error = git_futils_mkdir( | |
1212 | repo_path->ptr, NULL, dirmode & ~S_ISGID, | |
1213 | GIT_MKDIR_VERIFY_DIR | GIT_MKDIR_SKIP_LAST)) < 0) | |
1214 | return error; | |
662880ca | 1215 | } |
662880ca | 1216 | |
ca1b6e54 RB |
1217 | if ((opts->flags & GIT_REPOSITORY_INIT_MKDIR) != 0 || |
1218 | (opts->flags & GIT_REPOSITORY_INIT_MKPATH) != 0 || | |
1219 | has_dotgit) | |
1220 | { | |
3c42e4ef | 1221 | /* create path #1 */ |
18f08264 RB |
1222 | error = git_futils_mkdir(repo_path->ptr, NULL, dirmode, |
1223 | GIT_MKDIR_VERIFY_DIR | ((dirmode & S_ISGID) ? GIT_MKDIR_CHMOD : 0)); | |
662880ca | 1224 | } |
ca1b6e54 | 1225 | |
662880ca RB |
1226 | /* prettify both directories now that they are created */ |
1227 | ||
1228 | if (!error) { | |
1229 | error = git_path_prettify_dir(repo_path, repo_path->ptr, NULL); | |
1230 | ||
1231 | if (!error && wd_path->size > 0) | |
1232 | error = git_path_prettify_dir(wd_path, wd_path->ptr, NULL); | |
1233 | } | |
1234 | ||
1235 | return error; | |
1236 | } | |
1237 | ||
1238 | static int repo_init_create_origin(git_repository *repo, const char *url) | |
1239 | { | |
1240 | int error; | |
1241 | git_remote *remote; | |
1242 | ||
29f27599 | 1243 | if (!(error = git_remote_create(&remote, repo, GIT_REMOTE_ORIGIN, url))) { |
662880ca RB |
1244 | git_remote_free(remote); |
1245 | } | |
1246 | ||
1247 | return error; | |
1248 | } | |
1249 | ||
1250 | int git_repository_init( | |
1251 | git_repository **repo_out, const char *path, unsigned is_bare) | |
1252 | { | |
b4d13652 | 1253 | git_repository_init_options opts = GIT_REPOSITORY_INIT_OPTIONS_INIT; |
662880ca | 1254 | |
662880ca RB |
1255 | opts.flags = GIT_REPOSITORY_INIT_MKPATH; /* don't love this default */ |
1256 | if (is_bare) | |
1257 | opts.flags |= GIT_REPOSITORY_INIT_BARE; | |
1258 | ||
1259 | return git_repository_init_ext(repo_out, path, &opts); | |
1260 | } | |
1261 | ||
1262 | int git_repository_init_ext( | |
c9fc4a6f | 1263 | git_repository **out, |
662880ca RB |
1264 | const char *given_repo, |
1265 | git_repository_init_options *opts) | |
1266 | { | |
1267 | int error; | |
1268 | git_buf repo_path = GIT_BUF_INIT, wd_path = GIT_BUF_INIT; | |
1269 | ||
c9fc4a6f | 1270 | assert(out && given_repo && opts); |
662880ca | 1271 | |
c7231c45 | 1272 | GITERR_CHECK_VERSION(opts, GIT_REPOSITORY_INIT_OPTIONS_VERSION, "git_repository_init_options"); |
b4d13652 | 1273 | |
662880ca RB |
1274 | error = repo_init_directories(&repo_path, &wd_path, given_repo, opts); |
1275 | if (error < 0) | |
693b23c0 | 1276 | goto cleanup; |
662880ca RB |
1277 | |
1278 | if (valid_repository_path(&repo_path)) { | |
1279 | ||
1280 | if ((opts->flags & GIT_REPOSITORY_INIT_NO_REINIT) != 0) { | |
1281 | giterr_set(GITERR_REPOSITORY, | |
1282 | "Attempt to reinitialize '%s'", given_repo); | |
1283 | error = GIT_EEXISTS; | |
1284 | goto cleanup; | |
1285 | } | |
1286 | ||
1287 | opts->flags |= GIT_REPOSITORY_INIT__IS_REINIT; | |
1288 | ||
ca1b6e54 RB |
1289 | error = repo_init_config( |
1290 | git_buf_cstr(&repo_path), git_buf_cstr(&wd_path), opts); | |
662880ca RB |
1291 | |
1292 | /* TODO: reinitialize the templates */ | |
1293 | } | |
1294 | else { | |
1295 | if (!(error = repo_init_structure( | |
1296 | git_buf_cstr(&repo_path), git_buf_cstr(&wd_path), opts)) && | |
ca1b6e54 RB |
1297 | !(error = repo_init_config( |
1298 | git_buf_cstr(&repo_path), git_buf_cstr(&wd_path), opts))) | |
662880ca RB |
1299 | error = repo_init_create_head( |
1300 | git_buf_cstr(&repo_path), opts->initial_head); | |
cb8a7961 | 1301 | } |
662880ca RB |
1302 | if (error < 0) |
1303 | goto cleanup; | |
1304 | ||
c9fc4a6f | 1305 | error = git_repository_open(out, git_buf_cstr(&repo_path)); |
d2d6912e | 1306 | |
662880ca | 1307 | if (!error && opts->origin_url) |
c9fc4a6f | 1308 | error = repo_init_create_origin(*out, opts->origin_url); |
693b23c0 | 1309 | |
1310 | cleanup: | |
662880ca RB |
1311 | git_buf_free(&repo_path); |
1312 | git_buf_free(&wd_path); | |
1313 | ||
1314 | return error; | |
40c44d2f | 1315 | } |
35502d2e | 1316 | |
c682886e | 1317 | int git_repository_head_detached(git_repository *repo) |
35502d2e CMN |
1318 | { |
1319 | git_reference *ref; | |
9462c471 | 1320 | git_odb *odb = NULL; |
cb8a7961 | 1321 | int exists; |
9462c471 | 1322 | |
cb8a7961 VM |
1323 | if (git_repository_odb__weakptr(&odb, repo) < 0) |
1324 | return -1; | |
35502d2e | 1325 | |
cb8a7961 VM |
1326 | if (git_reference_lookup(&ref, repo, GIT_HEAD_FILE) < 0) |
1327 | return -1; | |
35502d2e | 1328 | |
75abd2b9 MS |
1329 | if (git_reference_type(ref) == GIT_REF_SYMBOLIC) { |
1330 | git_reference_free(ref); | |
35502d2e | 1331 | return 0; |
75abd2b9 | 1332 | } |
35502d2e | 1333 | |
2508cc66 | 1334 | exists = git_odb_exists(odb, git_reference_target(ref)); |
75abd2b9 MS |
1335 | |
1336 | git_reference_free(ref); | |
cb8a7961 | 1337 | return exists; |
35502d2e CMN |
1338 | } |
1339 | ||
3601c4bf | 1340 | int git_repository_head(git_reference **head_out, git_repository *repo) |
35502d2e | 1341 | { |
b1a3a70e | 1342 | git_reference *head; |
8b05bea8 | 1343 | int error; |
1344 | ||
b1a3a70e | 1345 | if ((error = git_reference_lookup(&head, repo, GIT_HEAD_FILE)) < 0) |
1346 | return error; | |
1347 | ||
1348 | if (git_reference_type(head) == GIT_REF_OID) { | |
1349 | *head_out = head; | |
1350 | return 0; | |
1351 | } | |
1352 | ||
2508cc66 | 1353 | error = git_reference_lookup_resolved(head_out, repo, git_reference_symbolic_target(head), -1); |
b1a3a70e | 1354 | git_reference_free(head); |
8b05bea8 | 1355 | |
1356 | return error == GIT_ENOTFOUND ? GIT_EORPHANEDHEAD : error; | |
3601c4bf | 1357 | } |
1358 | ||
1359 | int git_repository_head_orphan(git_repository *repo) | |
1360 | { | |
cb8a7961 | 1361 | git_reference *ref = NULL; |
3601c4bf | 1362 | int error; |
1363 | ||
1364 | error = git_repository_head(&ref, repo); | |
cb8a7961 | 1365 | git_reference_free(ref); |
35502d2e | 1366 | |
8b05bea8 | 1367 | if (error == GIT_EORPHANEDHEAD) |
cb8a7961 | 1368 | return 1; |
75abd2b9 | 1369 | |
cb8a7961 VM |
1370 | if (error < 0) |
1371 | return -1; | |
1372 | ||
1373 | return 0; | |
35502d2e | 1374 | } |
e0011be3 | 1375 | |
0066955d | 1376 | static int at_least_one_cb(const char *refname, void *payload) |
41233c40 | 1377 | { |
6091457e | 1378 | GIT_UNUSED(refname); |
1379 | GIT_UNUSED(payload); | |
41233c40 | 1380 | |
6091457e | 1381 | return GIT_EUSER; |
1382 | } | |
41233c40 | 1383 | |
6091457e | 1384 | static int repo_contains_no_reference(git_repository *repo) |
1385 | { | |
1386 | int error; | |
1387 | ||
1388 | error = git_reference_foreach(repo, GIT_REF_LISTALL, at_least_one_cb, NULL); | |
0f489fb2 | 1389 | |
6091457e | 1390 | if (error == GIT_EUSER) |
0f489fb2 | 1391 | return 0; |
41233c40 | 1392 | |
6091457e | 1393 | return error == 0 ? 1 : error; |
1394 | } | |
75abd2b9 | 1395 | |
6091457e | 1396 | int git_repository_is_empty(git_repository *repo) |
1397 | { | |
1398 | git_reference *head = NULL; | |
0066955d | 1399 | int error; |
cb8a7961 | 1400 | |
6091457e | 1401 | if (git_reference_lookup(&head, repo, GIT_HEAD_FILE) < 0) |
cb8a7961 VM |
1402 | return -1; |
1403 | ||
6091457e | 1404 | if (!(error = git_reference_type(head) == GIT_REF_SYMBOLIC)) |
1405 | goto cleanup; | |
1406 | ||
1407 | if (!(error = strcmp( | |
2508cc66 | 1408 | git_reference_symbolic_target(head), |
6091457e | 1409 | GIT_REFS_HEADS_DIR "master") == 0)) |
1410 | goto cleanup; | |
1411 | ||
1412 | error = repo_contains_no_reference(repo); | |
1413 | ||
1414 | cleanup: | |
1415 | git_reference_free(head); | |
1416 | return error < 0 ? -1 : error; | |
41233c40 VM |
1417 | } |
1418 | ||
9462c471 | 1419 | const char *git_repository_path(git_repository *repo) |
4a34b3a9 | 1420 | { |
1421 | assert(repo); | |
9462c471 VM |
1422 | return repo->path_repository; |
1423 | } | |
4a34b3a9 | 1424 | |
9462c471 VM |
1425 | const char *git_repository_workdir(git_repository *repo) |
1426 | { | |
1427 | assert(repo); | |
602ee38b | 1428 | |
9462c471 VM |
1429 | if (repo->is_bare) |
1430 | return NULL; | |
602ee38b | 1431 | |
9462c471 VM |
1432 | return repo->workdir; |
1433 | } | |
602ee38b | 1434 | |
991a56c7 RB |
1435 | int git_repository_set_workdir( |
1436 | git_repository *repo, const char *workdir, int update_gitlink) | |
9462c471 | 1437 | { |
991a56c7 | 1438 | int error = 0; |
b78fb64d | 1439 | git_buf path = GIT_BUF_INIT; |
1440 | ||
9462c471 | 1441 | assert(repo && workdir); |
602ee38b | 1442 | |
b78fb64d | 1443 | if (git_path_prettify_dir(&path, workdir, NULL) < 0) |
1444 | return -1; | |
9462c471 | 1445 | |
991a56c7 RB |
1446 | if (repo->workdir && strcmp(repo->workdir, path.ptr) == 0) |
1447 | return 0; | |
9462c471 | 1448 | |
991a56c7 RB |
1449 | if (update_gitlink) { |
1450 | git_config *config; | |
1451 | ||
1452 | if (git_repository_config__weakptr(&config, repo) < 0) | |
1453 | return -1; | |
1454 | ||
662880ca | 1455 | error = repo_write_gitlink(path.ptr, git_repository_path(repo)); |
991a56c7 RB |
1456 | |
1457 | /* passthrough error means gitlink is unnecessary */ | |
1458 | if (error == GIT_PASSTHROUGH) | |
54b2a37a | 1459 | error = git_config_delete_entry(config, "core.worktree"); |
991a56c7 RB |
1460 | else if (!error) |
1461 | error = git_config_set_string(config, "core.worktree", path.ptr); | |
1462 | ||
1463 | if (!error) | |
1464 | error = git_config_set_bool(config, "core.bare", false); | |
1465 | } | |
1466 | ||
1467 | if (!error) { | |
1468 | char *old_workdir = repo->workdir; | |
1469 | ||
1470 | repo->workdir = git_buf_detach(&path); | |
1471 | repo->is_bare = 0; | |
1472 | ||
1473 | git__free(old_workdir); | |
1474 | } | |
1475 | ||
1476 | return error; | |
4a34b3a9 | 1477 | } |
fa9bcd81 | 1478 | |
1479 | int git_repository_is_bare(git_repository *repo) | |
1480 | { | |
1481 | assert(repo); | |
1482 | return repo->is_bare; | |
1483 | } | |
f917481e RB |
1484 | |
1485 | int git_repository_head_tree(git_tree **tree, git_repository *repo) | |
1486 | { | |
5cec896a | 1487 | git_reference *head; |
1488 | git_object *obj; | |
1489 | int error; | |
f917481e | 1490 | |
5cec896a | 1491 | if ((error = git_repository_head(&head, repo)) < 0) |
1492 | return error; | |
f917481e | 1493 | |
5cec896a | 1494 | if ((error = git_reference_peel(&obj, head, GIT_OBJ_TREE)) < 0) |
1495 | goto cleanup; | |
f917481e RB |
1496 | |
1497 | *tree = (git_tree *)obj; | |
5cec896a | 1498 | |
1499 | cleanup: | |
1500 | git_reference_free(head); | |
1501 | return error; | |
f917481e | 1502 | } |
074841ec | 1503 | |
074841ec CMN |
1504 | int git_repository_message(char *buffer, size_t len, git_repository *repo) |
1505 | { | |
0ac349a9 VM |
1506 | git_buf buf = GIT_BUF_INIT, path = GIT_BUF_INIT; |
1507 | struct stat st; | |
0ac349a9 | 1508 | int error; |
074841ec | 1509 | |
632d8b23 | 1510 | if (git_buf_joinpath(&path, repo->path_repository, GIT_MERGE_MSG_FILE) < 0) |
0ac349a9 | 1511 | return -1; |
074841ec | 1512 | |
e9ca852e | 1513 | if ((error = p_stat(git_buf_cstr(&path), &st)) < 0) { |
074841ec CMN |
1514 | if (errno == ENOENT) |
1515 | error = GIT_ENOTFOUND; | |
0ac349a9 | 1516 | } |
e9ca852e RB |
1517 | else if (buffer != NULL) { |
1518 | error = git_futils_readbuffer(&buf, git_buf_cstr(&path)); | |
1519 | git_buf_copy_cstr(buffer, len, &buf); | |
0ac349a9 | 1520 | } |
074841ec | 1521 | |
0ac349a9 VM |
1522 | git_buf_free(&path); |
1523 | git_buf_free(&buf); | |
074841ec | 1524 | |
e9ca852e RB |
1525 | if (!error) |
1526 | error = (int)st.st_size + 1; /* add 1 for NUL byte */ | |
1527 | ||
1528 | return error; | |
074841ec CMN |
1529 | } |
1530 | ||
1531 | int git_repository_message_remove(git_repository *repo) | |
1532 | { | |
0ac349a9 VM |
1533 | git_buf path = GIT_BUF_INIT; |
1534 | int error; | |
074841ec | 1535 | |
632d8b23 | 1536 | if (git_buf_joinpath(&path, repo->path_repository, GIT_MERGE_MSG_FILE) < 0) |
0ac349a9 | 1537 | return -1; |
074841ec CMN |
1538 | |
1539 | error = p_unlink(git_buf_cstr(&path)); | |
1540 | git_buf_free(&path); | |
1541 | ||
1542 | return error; | |
1543 | } | |
47bfa0be RB |
1544 | |
1545 | int git_repository_hashfile( | |
1546 | git_oid *out, | |
1547 | git_repository *repo, | |
1548 | const char *path, | |
1549 | git_otype type, | |
1550 | const char *as_path) | |
1551 | { | |
1552 | int error; | |
1553 | git_vector filters = GIT_VECTOR_INIT; | |
b1127a30 | 1554 | git_file fd = -1; |
47bfa0be RB |
1555 | git_off_t len; |
1556 | git_buf full_path = GIT_BUF_INIT; | |
1557 | ||
a13fb55a RB |
1558 | assert(out && path && repo); /* as_path can be NULL */ |
1559 | ||
1560 | /* At some point, it would be nice if repo could be NULL to just | |
1561 | * apply filter rules defined in system and global files, but for | |
1562 | * now that is not possible because git_filters_load() needs it. | |
1563 | */ | |
47bfa0be RB |
1564 | |
1565 | error = git_path_join_unrooted( | |
1566 | &full_path, path, repo ? git_repository_workdir(repo) : NULL, NULL); | |
1567 | if (error < 0) | |
1568 | return error; | |
1569 | ||
1570 | if (!as_path) | |
1571 | as_path = path; | |
1572 | ||
1573 | /* passing empty string for "as_path" indicated --no-filters */ | |
1574 | if (strlen(as_path) > 0) { | |
1575 | error = git_filters_load(&filters, repo, as_path, GIT_FILTER_TO_ODB); | |
1576 | if (error < 0) | |
1577 | return error; | |
1578 | } else { | |
1579 | error = 0; | |
1580 | } | |
1581 | ||
1582 | /* at this point, error is a count of the number of loaded filters */ | |
1583 | ||
1584 | fd = git_futils_open_ro(full_path.ptr); | |
1585 | if (fd < 0) { | |
1586 | error = fd; | |
1587 | goto cleanup; | |
1588 | } | |
1589 | ||
1590 | len = git_futils_filesize(fd); | |
1591 | if (len < 0) { | |
75050223 | 1592 | error = (int)len; |
47bfa0be RB |
1593 | goto cleanup; |
1594 | } | |
1595 | ||
1596 | if (!git__is_sizet(len)) { | |
1597 | giterr_set(GITERR_OS, "File size overflow for 32-bit systems"); | |
1598 | error = -1; | |
1599 | goto cleanup; | |
1600 | } | |
1601 | ||
75050223 | 1602 | error = git_odb__hashfd_filtered(out, fd, (size_t)len, type, &filters); |
47bfa0be RB |
1603 | |
1604 | cleanup: | |
b1127a30 SS |
1605 | if (fd >= 0) |
1606 | p_close(fd); | |
47bfa0be RB |
1607 | git_filters_free(&filters); |
1608 | git_buf_free(&full_path); | |
1609 | ||
1610 | return error; | |
1611 | } | |
1612 | ||
44af67a8 | 1613 | static bool looks_like_a_branch(const char *refname) |
1614 | { | |
1615 | return git__prefixcmp(refname, GIT_REFS_HEADS_DIR) == 0; | |
1616 | } | |
1617 | ||
1618 | int git_repository_set_head( | |
1619 | git_repository* repo, | |
1620 | const char* refname) | |
1621 | { | |
1622 | git_reference *ref, | |
1623 | *new_head = NULL; | |
1624 | int error; | |
1625 | ||
1626 | assert(repo && refname); | |
1627 | ||
1628 | error = git_reference_lookup(&ref, repo, refname); | |
1629 | if (error < 0 && error != GIT_ENOTFOUND) | |
1630 | return error; | |
1631 | ||
1632 | if (!error) { | |
1633 | if (git_reference_is_branch(ref)) | |
2508cc66 | 1634 | error = git_reference_symbolic_create(&new_head, repo, GIT_HEAD_FILE, git_reference_name(ref), 1); |
44af67a8 | 1635 | else |
2508cc66 | 1636 | error = git_repository_set_head_detached(repo, git_reference_target(ref)); |
44af67a8 | 1637 | } else if (looks_like_a_branch(refname)) |
2508cc66 | 1638 | error = git_reference_symbolic_create(&new_head, repo, GIT_HEAD_FILE, refname, 1); |
44af67a8 | 1639 | |
1640 | git_reference_free(ref); | |
1641 | git_reference_free(new_head); | |
1642 | return error; | |
1643 | } | |
1644 | ||
4ebe38bd | 1645 | int git_repository_set_head_detached( |
1646 | git_repository* repo, | |
1647 | const git_oid* commitish) | |
1648 | { | |
1649 | int error; | |
1650 | git_object *object, | |
1651 | *peeled = NULL; | |
1652 | git_reference *new_head = NULL; | |
1653 | ||
1654 | assert(repo && commitish); | |
1655 | ||
1656 | if ((error = git_object_lookup(&object, repo, commitish, GIT_OBJ_ANY)) < 0) | |
1657 | return error; | |
1658 | ||
1659 | if ((error = git_object_peel(&peeled, object, GIT_OBJ_COMMIT)) < 0) | |
1660 | goto cleanup; | |
1661 | ||
2508cc66 | 1662 | error = git_reference_create(&new_head, repo, GIT_HEAD_FILE, git_object_id(peeled), 1); |
4ebe38bd | 1663 | |
1664 | cleanup: | |
1665 | git_object_free(object); | |
1666 | git_object_free(peeled); | |
1667 | git_reference_free(new_head); | |
1668 | return error; | |
1669 | } | |
1670 | ||
3f4c3072 | 1671 | int git_repository_detach_head( |
1672 | git_repository* repo) | |
1673 | { | |
1674 | git_reference *old_head = NULL, | |
1675 | *new_head = NULL; | |
1676 | git_object *object = NULL; | |
8b05bea8 | 1677 | int error; |
3f4c3072 | 1678 | |
1679 | assert(repo); | |
1680 | ||
8b05bea8 | 1681 | if ((error = git_repository_head(&old_head, repo)) < 0) |
1682 | return error; | |
3f4c3072 | 1683 | |
2508cc66 | 1684 | if ((error = git_object_lookup(&object, repo, git_reference_target(old_head), GIT_OBJ_COMMIT)) < 0) |
3f4c3072 | 1685 | goto cleanup; |
1686 | ||
2508cc66 | 1687 | error = git_reference_create(&new_head, repo, GIT_HEAD_FILE, git_reference_target(old_head), 1); |
3f4c3072 | 1688 | |
1689 | cleanup: | |
1690 | git_object_free(object); | |
1691 | git_reference_free(old_head); | |
1692 | git_reference_free(new_head); | |
1693 | return error; | |
1694 | } | |
632d8b23 | 1695 | |
31966d20 | 1696 | /** |
1697 | * Loosely ported from git.git | |
1698 | * https://github.com/git/git/blob/master/contrib/completion/git-prompt.sh#L198-289 | |
1699 | */ | |
632d8b23 ET |
1700 | int git_repository_state(git_repository *repo) |
1701 | { | |
1702 | git_buf repo_path = GIT_BUF_INIT; | |
1703 | int state = GIT_REPOSITORY_STATE_NONE; | |
1704 | ||
1705 | assert(repo); | |
1706 | ||
1707 | if (git_buf_puts(&repo_path, repo->path_repository) < 0) | |
1708 | return -1; | |
1709 | ||
31966d20 | 1710 | if (git_path_contains_file(&repo_path, GIT_REBASE_MERGE_INTERACTIVE_FILE)) |
1711 | state = GIT_REPOSITORY_STATE_REBASE_INTERACTIVE; | |
1712 | else if (git_path_contains_dir(&repo_path, GIT_REBASE_MERGE_DIR)) | |
1713 | state = GIT_REPOSITORY_STATE_REBASE_MERGE; | |
1714 | else if (git_path_contains_file(&repo_path, GIT_REBASE_APPLY_REBASING_FILE)) | |
1715 | state = GIT_REPOSITORY_STATE_REBASE; | |
1716 | else if (git_path_contains_file(&repo_path, GIT_REBASE_APPLY_APPLYING_FILE)) | |
1717 | state = GIT_REPOSITORY_STATE_APPLY_MAILBOX; | |
1718 | else if (git_path_contains_dir(&repo_path, GIT_REBASE_APPLY_DIR)) | |
1719 | state = GIT_REPOSITORY_STATE_APPLY_MAILBOX_OR_REBASE; | |
1720 | else if (git_path_contains_file(&repo_path, GIT_MERGE_HEAD_FILE)) | |
632d8b23 ET |
1721 | state = GIT_REPOSITORY_STATE_MERGE; |
1722 | else if(git_path_contains_file(&repo_path, GIT_REVERT_HEAD_FILE)) | |
1723 | state = GIT_REPOSITORY_STATE_REVERT; | |
1724 | else if(git_path_contains_file(&repo_path, GIT_CHERRY_PICK_HEAD_FILE)) | |
1725 | state = GIT_REPOSITORY_STATE_CHERRY_PICK; | |
31966d20 | 1726 | else if(git_path_contains_file(&repo_path, GIT_BISECT_LOG_FILE)) |
1727 | state = GIT_REPOSITORY_STATE_BISECT; | |
632d8b23 ET |
1728 | |
1729 | git_buf_free(&repo_path); | |
1730 | return state; | |
1731 | } |