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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" |
1384b688 | 12 | #include "git2/sys/repository.h" |
d12299fe | 13 | |
3315782c VM |
14 | #include "common.h" |
15 | #include "repository.h" | |
16 | #include "commit.h" | |
17 | #include "tag.h" | |
237da401 | 18 | #include "blob.h" |
6fd195d7 | 19 | #include "fileops.h" |
114f5a6c RB |
20 | #include "filebuf.h" |
21 | #include "index.h" | |
b22d1479 | 22 | #include "config.h" |
9282e921 | 23 | #include "refs.h" |
47bfa0be RB |
24 | #include "filter.h" |
25 | #include "odb.h" | |
096d9e94 | 26 | #include "remote.h" |
632d8b23 | 27 | #include "merge.h" |
114f5a6c | 28 | #include "diff_driver.h" |
9282e921 | 29 | |
7784bcbb | 30 | #define GIT_FILE_CONTENT_PREFIX "gitdir:" |
6a01b6bd | 31 | |
28990938 | 32 | #define GIT_BRANCH_MASTER "master" |
33 | ||
29e948de | 34 | #define GIT_REPO_VERSION 0 |
691aa968 | 35 | |
e976b56d | 36 | static void set_odb(git_repository *repo, git_odb *odb) |
9462c471 | 37 | { |
e976b56d RB |
38 | if (odb) { |
39 | GIT_REFCOUNT_OWN(odb, repo); | |
40 | GIT_REFCOUNT_INC(odb); | |
41 | } | |
42 | ||
43 | if ((odb = git__swap(repo->_odb, odb)) != NULL) { | |
44 | GIT_REFCOUNT_OWN(odb, NULL); | |
45 | git_odb_free(odb); | |
eb2f3b47 | 46 | } |
9462c471 | 47 | } |
691aa968 | 48 | |
e976b56d | 49 | static void set_refdb(git_repository *repo, git_refdb *refdb) |
d00d5464 | 50 | { |
e976b56d RB |
51 | if (refdb) { |
52 | GIT_REFCOUNT_OWN(refdb, repo); | |
53 | GIT_REFCOUNT_INC(refdb); | |
54 | } | |
55 | ||
56 | if ((refdb = git__swap(repo->_refdb, refdb)) != NULL) { | |
57 | GIT_REFCOUNT_OWN(refdb, NULL); | |
58 | git_refdb_free(refdb); | |
d00d5464 ET |
59 | } |
60 | } | |
61 | ||
e976b56d | 62 | static void set_config(git_repository *repo, git_config *config) |
9462c471 | 63 | { |
e976b56d RB |
64 | if (config) { |
65 | GIT_REFCOUNT_OWN(config, repo); | |
66 | GIT_REFCOUNT_INC(config); | |
67 | } | |
68 | ||
69 | if ((config = git__swap(repo->_config, config)) != NULL) { | |
70 | GIT_REFCOUNT_OWN(config, NULL); | |
71 | git_config_free(config); | |
eb2f3b47 | 72 | } |
e976b56d RB |
73 | |
74 | git_repository__cvar_cache_clear(repo); | |
691aa968 VM |
75 | } |
76 | ||
e976b56d | 77 | static void set_index(git_repository *repo, git_index *index) |
6fd195d7 | 78 | { |
e976b56d RB |
79 | if (index) { |
80 | GIT_REFCOUNT_OWN(index, repo); | |
81 | GIT_REFCOUNT_INC(index); | |
82 | } | |
83 | ||
84 | if ((index = git__swap(repo->_index, index)) != NULL) { | |
85 | GIT_REFCOUNT_OWN(index, NULL); | |
86 | git_index_free(index); | |
9462c471 | 87 | } |
e0011be3 VM |
88 | } |
89 | ||
879458e7 | 90 | void git_repository__cleanup(git_repository *repo) |
e0011be3 | 91 | { |
879458e7 | 92 | assert(repo); |
6fd195d7 | 93 | |
879458e7 | 94 | git_cache_clear(&repo->objects); |
73b51450 | 95 | git_attr_cache_flush(repo); |
6fd195d7 | 96 | |
e976b56d RB |
97 | set_config(repo, NULL); |
98 | set_index(repo, NULL); | |
99 | set_odb(repo, NULL); | |
100 | set_refdb(repo, NULL); | |
879458e7 VM |
101 | } |
102 | ||
103 | void git_repository_free(git_repository *repo) | |
104 | { | |
105 | if (repo == NULL) | |
106 | return; | |
107 | ||
108 | git_repository__cleanup(repo); | |
109 | ||
110 | git_cache_free(&repo->objects); | |
111 | git_submodule_config_free(repo); | |
3eadfecd | 112 | |
114f5a6c | 113 | git_diff_driver_registry_free(repo->diff_drivers); |
3eadfecd | 114 | repo->diff_drivers = NULL; |
9462c471 | 115 | |
53607868 RB |
116 | git__free(repo->path_repository); |
117 | git__free(repo->workdir); | |
bade5194 | 118 | git__free(repo->namespace); |
53607868 | 119 | |
6de9b2ee | 120 | git__memzero(repo, sizeof(*repo)); |
9462c471 | 121 | git__free(repo); |
6fd195d7 VM |
122 | } |
123 | ||
9462c471 VM |
124 | /* |
125 | * Git repository open methods | |
126 | * | |
127 | * Open a repository object from its path | |
128 | */ | |
cb8a7961 | 129 | static bool valid_repository_path(git_buf *repository_path) |
5ad739e8 | 130 | { |
97769280 | 131 | /* Check OBJECTS_DIR first, since it will generate the longest path name */ |
1a481123 | 132 | if (git_path_contains_dir(repository_path, GIT_OBJECTS_DIR) == false) |
cb8a7961 | 133 | return false; |
5ad739e8 | 134 | |
97769280 | 135 | /* Ensure HEAD file exists */ |
1a481123 | 136 | if (git_path_contains_file(repository_path, GIT_HEAD_FILE) == false) |
cb8a7961 | 137 | return false; |
5ad739e8 | 138 | |
1a481123 | 139 | if (git_path_contains_dir(repository_path, GIT_REFS_DIR) == false) |
cb8a7961 | 140 | return false; |
5ad739e8 | 141 | |
cb8a7961 | 142 | return true; |
5ad739e8 VM |
143 | } |
144 | ||
51d00446 | 145 | static git_repository *repository_alloc(void) |
3315782c | 146 | { |
3e9e6cda | 147 | git_repository *repo = git__calloc(1, sizeof(git_repository)); |
3315782c VM |
148 | if (!repo) |
149 | return NULL; | |
150 | ||
5df18424 | 151 | if (git_cache_init(&repo->objects) < 0) { |
3286c408 | 152 | git__free(repo); |
81201a4c | 153 | return NULL; |
154 | } | |
3315782c | 155 | |
f2c25d18 VM |
156 | /* set all the entries in the cvar cache to `unset` */ |
157 | git_repository__cvar_cache_clear(repo); | |
158 | ||
6fd195d7 VM |
159 | return repo; |
160 | } | |
161 | ||
7cc3c920 JW |
162 | int git_repository_new(git_repository **out) |
163 | { | |
164 | *out = repository_alloc(); | |
165 | return 0; | |
166 | } | |
167 | ||
9462c471 | 168 | static int load_config_data(git_repository *repo) |
ec3c7a16 | 169 | { |
cb8a7961 | 170 | int is_bare; |
9462c471 | 171 | git_config *config; |
ec3c7a16 | 172 | |
cb8a7961 VM |
173 | if (git_repository_config__weakptr(&config, repo) < 0) |
174 | return -1; | |
ec3c7a16 | 175 | |
d3e9c4a5 | 176 | /* Try to figure out if it's bare, default to non-bare if it's not set */ |
29e948de | 177 | if (git_config_get_bool(&is_bare, config, "core.bare") < 0) |
d3e9c4a5 CMN |
178 | repo->is_bare = 0; |
179 | else | |
180 | repo->is_bare = is_bare; | |
c94785a9 | 181 | |
cb8a7961 | 182 | return 0; |
9462c471 | 183 | } |
ec3c7a16 | 184 | |
7784bcbb | 185 | static int load_workdir(git_repository *repo, git_buf *parent_path) |
9462c471 | 186 | { |
7784bcbb RB |
187 | int error; |
188 | git_config *config; | |
189 | const char *worktree; | |
190 | git_buf worktree_buf = GIT_BUF_INIT; | |
ec3c7a16 | 191 | |
97769280 | 192 | if (repo->is_bare) |
cb8a7961 | 193 | return 0; |
ec3c7a16 | 194 | |
7784bcbb | 195 | if (git_repository_config__weakptr(&config, repo) < 0) |
cb8a7961 | 196 | return -1; |
ec3c7a16 | 197 | |
29e948de | 198 | error = git_config_get_string(&worktree, config, "core.worktree"); |
5f4a61ae RB |
199 | if (!error && worktree != NULL) { |
200 | error = git_path_prettify_dir( | |
201 | &worktree_buf, worktree, repo->path_repository); | |
202 | if (error < 0) | |
203 | return error; | |
204 | repo->workdir = git_buf_detach(&worktree_buf); | |
205 | } | |
904b67e6 | 206 | else if (error != GIT_ENOTFOUND) |
7784bcbb RB |
207 | return error; |
208 | else { | |
209 | giterr_clear(); | |
210 | ||
211 | if (parent_path && git_path_isdir(parent_path->ptr)) | |
212 | repo->workdir = git_buf_detach(parent_path); | |
213 | else { | |
214 | git_path_dirname_r(&worktree_buf, repo->path_repository); | |
215 | git_path_to_dir(&worktree_buf); | |
216 | repo->workdir = git_buf_detach(&worktree_buf); | |
217 | } | |
218 | } | |
219 | ||
220 | GITERR_CHECK_ALLOC(repo->workdir); | |
97769280 | 221 | |
cb8a7961 | 222 | return 0; |
ec3c7a16 VM |
223 | } |
224 | ||
7784bcbb RB |
225 | /* |
226 | * This function returns furthest offset into path where a ceiling dir | |
227 | * is found, so we can stop processing the path at that point. | |
228 | * | |
229 | * Note: converting this to use git_bufs instead of GIT_PATH_MAX buffers on | |
230 | * the stack could remove directories name limits, but at the cost of doing | |
231 | * repeated malloc/frees inside the loop below, so let's not do it now. | |
232 | */ | |
233 | static int find_ceiling_dir_offset( | |
234 | const char *path, | |
235 | const char *ceiling_directories) | |
236 | { | |
237 | char buf[GIT_PATH_MAX + 1]; | |
238 | char buf2[GIT_PATH_MAX + 1]; | |
239 | const char *ceil, *sep; | |
44ef8b1b | 240 | size_t len, max_len = 0, min_len; |
7784bcbb RB |
241 | |
242 | assert(path); | |
243 | ||
44ef8b1b | 244 | min_len = (size_t)(git_path_root(path) + 1); |
7784bcbb RB |
245 | |
246 | if (ceiling_directories == NULL || min_len == 0) | |
44ef8b1b | 247 | return (int)min_len; |
7784bcbb RB |
248 | |
249 | for (sep = ceil = ceiling_directories; *sep; ceil = sep + 1) { | |
250 | for (sep = ceil; *sep && *sep != GIT_PATH_LIST_SEPARATOR; sep++); | |
251 | len = sep - ceil; | |
252 | ||
44ef8b1b | 253 | if (len == 0 || len >= sizeof(buf) || git_path_root(ceil) == -1) |
7784bcbb RB |
254 | continue; |
255 | ||
256 | strncpy(buf, ceil, len); | |
257 | buf[len] = '\0'; | |
258 | ||
259 | if (p_realpath(buf, buf2) == NULL) | |
260 | continue; | |
261 | ||
262 | len = strlen(buf2); | |
263 | if (len > 0 && buf2[len-1] == '/') | |
264 | buf[--len] = '\0'; | |
265 | ||
266 | if (!strncmp(path, buf2, len) && | |
3fe046cf | 267 | (path[len] == '/' || !path[len]) && |
7784bcbb RB |
268 | len > max_len) |
269 | { | |
270 | max_len = len; | |
271 | } | |
272 | } | |
273 | ||
44ef8b1b | 274 | return (int)(max_len <= min_len ? min_len : max_len); |
7784bcbb RB |
275 | } |
276 | ||
277 | /* | |
278 | * Read the contents of `file_path` and set `path_out` to the repo dir that | |
279 | * it points to. Before calling, set `path_out` to the base directory that | |
280 | * should be used if the contents of `file_path` are a relative path. | |
281 | */ | |
282 | static int read_gitfile(git_buf *path_out, const char *file_path) | |
283 | { | |
284 | int error = 0; | |
285 | git_buf file = GIT_BUF_INIT; | |
286 | size_t prefix_len = strlen(GIT_FILE_CONTENT_PREFIX); | |
287 | ||
288 | assert(path_out && file_path); | |
289 | ||
290 | if (git_futils_readbuffer(&file, file_path) < 0) | |
291 | return -1; | |
292 | ||
293 | git_buf_rtrim(&file); | |
294 | ||
662880ca RB |
295 | if (git_buf_len(&file) <= prefix_len || |
296 | memcmp(git_buf_cstr(&file), GIT_FILE_CONTENT_PREFIX, prefix_len) != 0) | |
7784bcbb RB |
297 | { |
298 | giterr_set(GITERR_REPOSITORY, "The `.git` file at '%s' is malformed", file_path); | |
299 | error = -1; | |
300 | } | |
301 | else if ((error = git_path_dirname_r(path_out, file_path)) >= 0) { | |
662880ca | 302 | const char *gitlink = git_buf_cstr(&file) + prefix_len; |
0f49200c | 303 | while (*gitlink && git__isspace(*gitlink)) gitlink++; |
662880ca RB |
304 | error = git_path_prettify_dir( |
305 | path_out, gitlink, git_buf_cstr(path_out)); | |
7784bcbb RB |
306 | } |
307 | ||
308 | git_buf_free(&file); | |
309 | return error; | |
310 | } | |
311 | ||
312 | static int find_repo( | |
313 | git_buf *repo_path, | |
314 | git_buf *parent_path, | |
315 | const char *start_path, | |
316 | uint32_t flags, | |
317 | const char *ceiling_dirs) | |
691aa968 | 318 | { |
7784bcbb RB |
319 | int error; |
320 | git_buf path = GIT_BUF_INIT; | |
321 | struct stat st; | |
322 | dev_t initial_device = 0; | |
3fe046cf | 323 | bool try_with_dot_git = ((flags & GIT_REPOSITORY_OPEN_BARE) != 0); |
7784bcbb RB |
324 | int ceiling_offset; |
325 | ||
326 | git_buf_free(repo_path); | |
327 | ||
3fe046cf | 328 | if ((error = git_path_prettify(&path, start_path, NULL)) < 0) |
7784bcbb RB |
329 | return error; |
330 | ||
331 | ceiling_offset = find_ceiling_dir_offset(path.ptr, ceiling_dirs); | |
332 | ||
3fe046cf RB |
333 | if (!try_with_dot_git && |
334 | (error = git_buf_joinpath(&path, path.ptr, DOT_GIT)) < 0) | |
7784bcbb RB |
335 | return error; |
336 | ||
fa6420f7 | 337 | while (!error && !git_buf_len(repo_path)) { |
7784bcbb RB |
338 | if (p_stat(path.ptr, &st) == 0) { |
339 | /* check that we have not crossed device boundaries */ | |
340 | if (initial_device == 0) | |
341 | initial_device = st.st_dev; | |
342 | else if (st.st_dev != initial_device && | |
343 | (flags & GIT_REPOSITORY_OPEN_CROSS_FS) == 0) | |
344 | break; | |
345 | ||
346 | if (S_ISDIR(st.st_mode)) { | |
347 | if (valid_repository_path(&path)) { | |
348 | git_path_to_dir(&path); | |
349 | git_buf_set(repo_path, path.ptr, path.size); | |
350 | break; | |
351 | } | |
352 | } | |
353 | else if (S_ISREG(st.st_mode)) { | |
354 | git_buf repo_link = GIT_BUF_INIT; | |
355 | ||
356 | if (!(error = read_gitfile(&repo_link, path.ptr))) { | |
357 | if (valid_repository_path(&repo_link)) | |
358 | git_buf_swap(repo_path, &repo_link); | |
146f5c75 CMN |
359 | |
360 | git_buf_free(&repo_link); | |
7784bcbb RB |
361 | break; |
362 | } | |
363 | git_buf_free(&repo_link); | |
364 | } | |
365 | } | |
366 | ||
367 | /* move up one directory level */ | |
368 | if (git_path_dirname_r(&path, path.ptr) < 0) { | |
369 | error = -1; | |
370 | break; | |
371 | } | |
372 | ||
373 | if (try_with_dot_git) { | |
374 | /* if we tried original dir with and without .git AND either hit | |
375 | * directory ceiling or NO_SEARCH was requested, then be done. | |
376 | */ | |
377 | if (path.ptr[ceiling_offset] == '\0' || | |
378 | (flags & GIT_REPOSITORY_OPEN_NO_SEARCH) != 0) | |
379 | break; | |
380 | /* otherwise look first for .git item */ | |
381 | error = git_buf_joinpath(&path, path.ptr, DOT_GIT); | |
382 | } | |
383 | try_with_dot_git = !try_with_dot_git; | |
384 | } | |
385 | ||
3fe046cf | 386 | if (!error && parent_path && !(flags & GIT_REPOSITORY_OPEN_BARE)) { |
fa6420f7 | 387 | if (!git_buf_len(repo_path)) |
7784bcbb RB |
388 | git_buf_clear(parent_path); |
389 | else { | |
390 | git_path_dirname_r(parent_path, path.ptr); | |
391 | git_path_to_dir(parent_path); | |
392 | } | |
393 | if (git_buf_oom(parent_path)) | |
394 | return -1; | |
395 | } | |
396 | ||
397 | git_buf_free(&path); | |
398 | ||
fa6420f7 | 399 | if (!git_buf_len(repo_path) && !error) { |
cb8a7961 | 400 | giterr_set(GITERR_REPOSITORY, |
7784bcbb | 401 | "Could not find repository from '%s'", start_path); |
904b67e6 | 402 | error = GIT_ENOTFOUND; |
97769280 | 403 | } |
691aa968 | 404 | |
7784bcbb RB |
405 | return error; |
406 | } | |
407 | ||
a442ed68 VM |
408 | int git_repository_open_bare( |
409 | git_repository **repo_ptr, | |
410 | const char *bare_path) | |
411 | { | |
412 | int error; | |
413 | git_buf path = GIT_BUF_INIT; | |
414 | git_repository *repo = NULL; | |
415 | ||
416 | if ((error = git_path_prettify_dir(&path, bare_path, NULL)) < 0) | |
417 | return error; | |
418 | ||
419 | if (!valid_repository_path(&path)) { | |
420 | git_buf_free(&path); | |
421 | giterr_set(GITERR_REPOSITORY, "Path is not a repository: %s", bare_path); | |
422 | return GIT_ENOTFOUND; | |
423 | } | |
424 | ||
425 | repo = repository_alloc(); | |
426 | GITERR_CHECK_ALLOC(repo); | |
427 | ||
428 | repo->path_repository = git_buf_detach(&path); | |
429 | GITERR_CHECK_ALLOC(repo->path_repository); | |
430 | ||
431 | /* of course we're bare! */ | |
432 | repo->is_bare = 1; | |
433 | repo->workdir = NULL; | |
434 | ||
435 | *repo_ptr = repo; | |
436 | return 0; | |
437 | } | |
438 | ||
7784bcbb RB |
439 | int git_repository_open_ext( |
440 | git_repository **repo_ptr, | |
441 | const char *start_path, | |
c9fc4a6f | 442 | unsigned int flags, |
7784bcbb RB |
443 | const char *ceiling_dirs) |
444 | { | |
445 | int error; | |
446 | git_buf path = GIT_BUF_INIT, parent = GIT_BUF_INIT; | |
447 | git_repository *repo; | |
448 | ||
662880ca RB |
449 | if (repo_ptr) |
450 | *repo_ptr = NULL; | |
7784bcbb | 451 | |
662880ca RB |
452 | error = find_repo(&path, &parent, start_path, flags, ceiling_dirs); |
453 | if (error < 0 || !repo_ptr) | |
7784bcbb RB |
454 | return error; |
455 | ||
e52ed7a5 | 456 | repo = repository_alloc(); |
cb8a7961 | 457 | GITERR_CHECK_ALLOC(repo); |
691aa968 | 458 | |
7784bcbb | 459 | repo->path_repository = git_buf_detach(&path); |
cb8a7961 | 460 | GITERR_CHECK_ALLOC(repo->path_repository); |
691aa968 | 461 | |
3fe046cf RB |
462 | if ((flags & GIT_REPOSITORY_OPEN_BARE) != 0) |
463 | repo->is_bare = 1; | |
464 | else if ((error = load_config_data(repo)) < 0 || | |
7784bcbb RB |
465 | (error = load_workdir(repo, &parent)) < 0) |
466 | { | |
467 | git_repository_free(repo); | |
468 | return error; | |
469 | } | |
691aa968 | 470 | |
146f5c75 | 471 | git_buf_free(&parent); |
7784bcbb | 472 | *repo_ptr = repo; |
cb8a7961 | 473 | return 0; |
7784bcbb | 474 | } |
97769280 | 475 | |
7784bcbb RB |
476 | int git_repository_open(git_repository **repo_out, const char *path) |
477 | { | |
478 | return git_repository_open_ext( | |
479 | repo_out, path, GIT_REPOSITORY_OPEN_NO_SEARCH, NULL); | |
480 | } | |
481 | ||
6782245e CMN |
482 | int git_repository_wrap_odb(git_repository **repo_out, git_odb *odb) |
483 | { | |
484 | git_repository *repo; | |
485 | ||
486 | repo = repository_alloc(); | |
487 | GITERR_CHECK_ALLOC(repo); | |
488 | ||
489 | git_repository_set_odb(repo, odb); | |
490 | *repo_out = repo; | |
491 | ||
492 | return 0; | |
493 | } | |
494 | ||
7784bcbb RB |
495 | int git_repository_discover( |
496 | char *repository_path, | |
497 | size_t size, | |
498 | const char *start_path, | |
499 | int across_fs, | |
500 | const char *ceiling_dirs) | |
501 | { | |
502 | git_buf path = GIT_BUF_INIT; | |
503 | uint32_t flags = across_fs ? GIT_REPOSITORY_OPEN_CROSS_FS : 0; | |
464cf248 | 504 | int error; |
7784bcbb RB |
505 | |
506 | assert(start_path && repository_path && size > 0); | |
507 | ||
508 | *repository_path = '\0'; | |
509 | ||
464cf248 | 510 | if ((error = find_repo(&path, NULL, start_path, flags, ceiling_dirs)) < 0) |
904b67e6 | 511 | return error != GIT_ENOTFOUND ? -1 : error; |
7784bcbb RB |
512 | |
513 | if (size < (size_t)(path.size + 1)) { | |
514 | giterr_set(GITERR_REPOSITORY, | |
13b554e3 | 515 | "The given buffer is too small to store the discovered path"); |
7784bcbb RB |
516 | git_buf_free(&path); |
517 | return -1; | |
518 | } | |
519 | ||
520 | /* success: we discovered a repository */ | |
521 | git_buf_copy_cstr(repository_path, size, &path); | |
522 | git_buf_free(&path); | |
523 | return 0; | |
691aa968 VM |
524 | } |
525 | ||
9462c471 | 526 | static int load_config( |
7784bcbb RB |
527 | git_config **out, |
528 | git_repository *repo, | |
529 | const char *global_config_path, | |
4258d483 | 530 | const char *xdg_config_path, |
7784bcbb | 531 | const char *system_config_path) |
b22d1479 | 532 | { |
cc6b4162 | 533 | int error; |
97769280 | 534 | git_buf config_path = GIT_BUF_INIT; |
9462c471 | 535 | git_config *cfg = NULL; |
b22d1479 | 536 | |
9462c471 | 537 | assert(repo && out); |
07ff8817 | 538 | |
cc6b4162 RB |
539 | if ((error = git_config_new(&cfg)) < 0) |
540 | return error; | |
b22d1479 | 541 | |
cc6b4162 RB |
542 | error = git_buf_joinpath( |
543 | &config_path, repo->path_repository, GIT_CONFIG_FILENAME_INREPO); | |
544 | if (error < 0) | |
cb8a7961 | 545 | goto on_error; |
97769280 | 546 | |
cc6b4162 RB |
547 | if ((error = git_config_add_file_ondisk( |
548 | cfg, config_path.ptr, GIT_CONFIG_LEVEL_LOCAL, 0)) < 0 && | |
549 | error != GIT_ENOTFOUND) | |
cb8a7961 VM |
550 | goto on_error; |
551 | ||
552 | git_buf_free(&config_path); | |
b22d1479 | 553 | |
cc6b4162 RB |
554 | if (global_config_path != NULL && |
555 | (error = git_config_add_file_ondisk( | |
556 | cfg, global_config_path, GIT_CONFIG_LEVEL_GLOBAL, 0)) < 0 && | |
557 | error != GIT_ENOTFOUND) | |
558 | goto on_error; | |
8b4f9b17 | 559 | |
cc6b4162 RB |
560 | if (xdg_config_path != NULL && |
561 | (error = git_config_add_file_ondisk( | |
562 | cfg, xdg_config_path, GIT_CONFIG_LEVEL_XDG, 0)) < 0 && | |
563 | error != GIT_ENOTFOUND) | |
564 | goto on_error; | |
b22d1479 | 565 | |
cc6b4162 RB |
566 | if (system_config_path != NULL && |
567 | (error = git_config_add_file_ondisk( | |
568 | cfg, system_config_path, GIT_CONFIG_LEVEL_SYSTEM, 0)) < 0 && | |
569 | error != GIT_ENOTFOUND) | |
570 | goto on_error; | |
9ba9e513 | 571 | |
38f7d026 RB |
572 | giterr_clear(); /* clear any lingering ENOTFOUND errors */ |
573 | ||
9462c471 | 574 | *out = cfg; |
cb8a7961 | 575 | return 0; |
b22d1479 | 576 | |
cb8a7961 VM |
577 | on_error: |
578 | git_buf_free(&config_path); | |
9462c471 VM |
579 | git_config_free(cfg); |
580 | *out = NULL; | |
cc6b4162 | 581 | return error; |
b22d1479 CMN |
582 | } |
583 | ||
53607868 | 584 | static const char *path_unless_empty(git_buf *buf) |
40fe5fbe | 585 | { |
53607868 RB |
586 | return git_buf_len(buf) > 0 ? git_buf_cstr(buf) : NULL; |
587 | } | |
8b4f9b17 | 588 | |
53607868 RB |
589 | int git_repository_config__weakptr(git_config **out, git_repository *repo) |
590 | { | |
591 | int error = 0; | |
40fe5fbe | 592 | |
53607868 RB |
593 | if (repo->_config == NULL) { |
594 | git_buf global_buf = GIT_BUF_INIT; | |
595 | git_buf xdg_buf = GIT_BUF_INIT; | |
596 | git_buf system_buf = GIT_BUF_INIT; | |
597 | git_config *config; | |
598 | ||
599 | git_config_find_global_r(&global_buf); | |
600 | git_config_find_xdg_r(&xdg_buf); | |
601 | git_config_find_system_r(&system_buf); | |
602 | ||
a4b75dcf CMN |
603 | /* If there is no global file, open a backend for it anyway */ |
604 | if (git_buf_len(&global_buf) == 0) | |
605 | git_config__global_location(&global_buf); | |
606 | ||
53607868 RB |
607 | error = load_config( |
608 | &config, repo, | |
609 | path_unless_empty(&global_buf), | |
610 | path_unless_empty(&xdg_buf), | |
611 | path_unless_empty(&system_buf)); | |
612 | if (!error) { | |
613 | GIT_REFCOUNT_OWN(config, repo); | |
614 | ||
e976b56d | 615 | config = git__compare_and_swap(&repo->_config, NULL, config); |
53607868 RB |
616 | if (config != NULL) { |
617 | GIT_REFCOUNT_OWN(config, NULL); | |
618 | git_config_free(config); | |
619 | } | |
620 | } | |
97769280 RB |
621 | |
622 | git_buf_free(&global_buf); | |
a8918418 | 623 | git_buf_free(&xdg_buf); |
97769280 | 624 | git_buf_free(&system_buf); |
9462c471 | 625 | } |
40fe5fbe | 626 | |
9462c471 | 627 | *out = repo->_config; |
53607868 | 628 | return error; |
40fe5fbe CMN |
629 | } |
630 | ||
9462c471 | 631 | int git_repository_config(git_config **out, git_repository *repo) |
fd0574e5 | 632 | { |
cb8a7961 VM |
633 | if (git_repository_config__weakptr(out, repo) < 0) |
634 | return -1; | |
fd0574e5 | 635 | |
cb8a7961 VM |
636 | GIT_REFCOUNT_INC(*out); |
637 | return 0; | |
9462c471 VM |
638 | } |
639 | ||
640 | void git_repository_set_config(git_repository *repo, git_config *config) | |
641 | { | |
642 | assert(repo && config); | |
e976b56d | 643 | set_config(repo, config); |
9462c471 VM |
644 | } |
645 | ||
646 | int git_repository_odb__weakptr(git_odb **out, git_repository *repo) | |
647 | { | |
53607868 RB |
648 | int error = 0; |
649 | ||
9462c471 VM |
650 | assert(repo && out); |
651 | ||
652 | if (repo->_odb == NULL) { | |
97769280 | 653 | git_buf odb_path = GIT_BUF_INIT; |
53607868 | 654 | git_odb *odb; |
9462c471 | 655 | |
53607868 | 656 | git_buf_joinpath(&odb_path, repo->path_repository, GIT_OBJECTS_DIR); |
9462c471 | 657 | |
53607868 RB |
658 | error = git_odb_open(&odb, odb_path.ptr); |
659 | if (!error) { | |
660 | GIT_REFCOUNT_OWN(odb, repo); | |
cb8a7961 | 661 | |
e976b56d | 662 | odb = git__compare_and_swap(&repo->_odb, NULL, odb); |
53607868 RB |
663 | if (odb != NULL) { |
664 | GIT_REFCOUNT_OWN(odb, NULL); | |
665 | git_odb_free(odb); | |
666 | } | |
667 | } | |
9462c471 | 668 | |
53607868 | 669 | git_buf_free(&odb_path); |
9462c471 | 670 | } |
fd0574e5 | 671 | |
9462c471 | 672 | *out = repo->_odb; |
53607868 | 673 | return error; |
fd0574e5 RG |
674 | } |
675 | ||
9462c471 | 676 | int git_repository_odb(git_odb **out, git_repository *repo) |
6fd195d7 | 677 | { |
cb8a7961 VM |
678 | if (git_repository_odb__weakptr(out, repo) < 0) |
679 | return -1; | |
1795f879 | 680 | |
cb8a7961 VM |
681 | GIT_REFCOUNT_INC(*out); |
682 | return 0; | |
9462c471 | 683 | } |
6fd195d7 | 684 | |
9462c471 VM |
685 | void git_repository_set_odb(git_repository *repo, git_odb *odb) |
686 | { | |
687 | assert(repo && odb); | |
e976b56d | 688 | set_odb(repo, odb); |
9462c471 VM |
689 | } |
690 | ||
d00d5464 ET |
691 | int git_repository_refdb__weakptr(git_refdb **out, git_repository *repo) |
692 | { | |
53607868 RB |
693 | int error = 0; |
694 | ||
d00d5464 ET |
695 | assert(out && repo); |
696 | ||
697 | if (repo->_refdb == NULL) { | |
53607868 | 698 | git_refdb *refdb; |
d00d5464 | 699 | |
53607868 RB |
700 | error = git_refdb_open(&refdb, repo); |
701 | if (!error) { | |
702 | GIT_REFCOUNT_OWN(refdb, repo); | |
d00d5464 | 703 | |
e976b56d | 704 | refdb = git__compare_and_swap(&repo->_refdb, NULL, refdb); |
53607868 RB |
705 | if (refdb != NULL) { |
706 | GIT_REFCOUNT_OWN(refdb, NULL); | |
707 | git_refdb_free(refdb); | |
708 | } | |
709 | } | |
d00d5464 ET |
710 | } |
711 | ||
712 | *out = repo->_refdb; | |
53607868 | 713 | return error; |
d00d5464 ET |
714 | } |
715 | ||
716 | int git_repository_refdb(git_refdb **out, git_repository *repo) | |
717 | { | |
718 | if (git_repository_refdb__weakptr(out, repo) < 0) | |
719 | return -1; | |
720 | ||
721 | GIT_REFCOUNT_INC(*out); | |
722 | return 0; | |
723 | } | |
724 | ||
725 | void git_repository_set_refdb(git_repository *repo, git_refdb *refdb) | |
726 | { | |
53607868 | 727 | assert(repo && refdb); |
e976b56d | 728 | set_refdb(repo, refdb); |
d00d5464 ET |
729 | } |
730 | ||
9462c471 VM |
731 | int git_repository_index__weakptr(git_index **out, git_repository *repo) |
732 | { | |
53607868 RB |
733 | int error = 0; |
734 | ||
9462c471 VM |
735 | assert(out && repo); |
736 | ||
9462c471 | 737 | if (repo->_index == NULL) { |
97769280 | 738 | git_buf index_path = GIT_BUF_INIT; |
53607868 | 739 | git_index *index; |
9462c471 | 740 | |
53607868 | 741 | git_buf_joinpath(&index_path, repo->path_repository, GIT_INDEX_FILE); |
9462c471 | 742 | |
53607868 RB |
743 | error = git_index_open(&index, index_path.ptr); |
744 | if (!error) { | |
745 | GIT_REFCOUNT_OWN(index, repo); | |
cb8a7961 | 746 | |
e976b56d | 747 | index = git__compare_and_swap(&repo->_index, NULL, index); |
53607868 RB |
748 | if (index != NULL) { |
749 | GIT_REFCOUNT_OWN(index, NULL); | |
750 | git_index_free(index); | |
751 | } | |
9462c471 | 752 | |
53607868 RB |
753 | error = git_index_set_caps(repo->_index, GIT_INDEXCAP_FROM_OWNER); |
754 | } | |
da825c92 | 755 | |
53607868 | 756 | git_buf_free(&index_path); |
9462c471 VM |
757 | } |
758 | ||
9462c471 | 759 | *out = repo->_index; |
53607868 | 760 | return error; |
9462c471 | 761 | } |
1795f879 | 762 | |
9462c471 VM |
763 | int git_repository_index(git_index **out, git_repository *repo) |
764 | { | |
cb8a7961 VM |
765 | if (git_repository_index__weakptr(out, repo) < 0) |
766 | return -1; | |
9462c471 | 767 | |
cb8a7961 VM |
768 | GIT_REFCOUNT_INC(*out); |
769 | return 0; | |
3315782c VM |
770 | } |
771 | ||
9462c471 VM |
772 | void git_repository_set_index(git_repository *repo, git_index *index) |
773 | { | |
774 | assert(repo && index); | |
e976b56d | 775 | set_index(repo, index); |
9462c471 VM |
776 | } |
777 | ||
bade5194 VM |
778 | int git_repository_set_namespace(git_repository *repo, const char *namespace) |
779 | { | |
780 | git__free(repo->namespace); | |
781 | ||
782 | if (namespace == NULL) { | |
783 | repo->namespace = NULL; | |
784 | return 0; | |
785 | } | |
786 | ||
787 | return (repo->namespace = git__strdup(namespace)) ? 0 : -1; | |
788 | } | |
789 | ||
790 | const char *git_repository_get_namespace(git_repository *repo) | |
791 | { | |
792 | return repo->namespace; | |
793 | } | |
794 | ||
2c227b8b | 795 | static int check_repositoryformatversion(git_config *config) |
40c44d2f | 796 | { |
cb8a7961 | 797 | int version; |
5663e61a | 798 | |
29e948de | 799 | if (git_config_get_int32(&version, config, "core.repositoryformatversion") < 0) |
cb8a7961 | 800 | return -1; |
5663e61a | 801 | |
29e948de | 802 | if (GIT_REPO_VERSION < version) { |
cb8a7961 VM |
803 | giterr_set(GITERR_REPOSITORY, |
804 | "Unsupported repository version %d. Only versions up to %d are supported.", | |
29e948de | 805 | version, GIT_REPO_VERSION); |
cb8a7961 VM |
806 | return -1; |
807 | } | |
5663e61a | 808 | |
cb8a7961 | 809 | return 0; |
5663e61a | 810 | } |
811 | ||
662880ca | 812 | static int repo_init_create_head(const char *git_dir, const char *ref_name) |
e1f8cad0 | 813 | { |
97769280 | 814 | git_buf ref_path = GIT_BUF_INIT; |
9462c471 | 815 | git_filebuf ref = GIT_FILEBUF_INIT; |
662880ca | 816 | const char *fmt; |
9462c471 | 817 | |
cb8a7961 | 818 | if (git_buf_joinpath(&ref_path, git_dir, GIT_HEAD_FILE) < 0 || |
662880ca RB |
819 | git_filebuf_open(&ref, ref_path.ptr, 0) < 0) |
820 | goto fail; | |
821 | ||
822 | if (!ref_name) | |
823 | ref_name = GIT_BRANCH_MASTER; | |
824 | ||
74a24005 | 825 | if (git__prefixcmp(ref_name, GIT_REFS_DIR) == 0) |
662880ca RB |
826 | fmt = "ref: %s\n"; |
827 | else | |
74a24005 | 828 | fmt = "ref: " GIT_REFS_HEADS_DIR "%s\n"; |
662880ca RB |
829 | |
830 | if (git_filebuf_printf(&ref, fmt, ref_name) < 0 || | |
cb8a7961 | 831 | git_filebuf_commit(&ref, GIT_REFS_FILE_MODE) < 0) |
662880ca | 832 | goto fail; |
9462c471 | 833 | |
97769280 | 834 | git_buf_free(&ref_path); |
cb8a7961 | 835 | return 0; |
662880ca RB |
836 | |
837 | fail: | |
838 | git_buf_free(&ref_path); | |
839 | git_filebuf_cleanup(&ref); | |
840 | return -1; | |
9462c471 VM |
841 | } |
842 | ||
fac66990 | 843 | static bool is_chmod_supported(const char *file_path) |
844 | { | |
845 | struct stat st1, st2; | |
846 | static int _is_supported = -1; | |
847 | ||
848 | if (_is_supported > -1) | |
849 | return _is_supported; | |
850 | ||
851 | if (p_stat(file_path, &st1) < 0) | |
852 | return false; | |
853 | ||
854 | if (p_chmod(file_path, st1.st_mode ^ S_IXUSR) < 0) | |
855 | return false; | |
856 | ||
857 | if (p_stat(file_path, &st2) < 0) | |
858 | return false; | |
859 | ||
860 | _is_supported = (st1.st_mode != st2.st_mode); | |
ca1b6e54 | 861 | |
fac66990 | 862 | return _is_supported; |
863 | } | |
864 | ||
693b23c0 | 865 | static bool is_filesystem_case_insensitive(const char *gitdir_path) |
866 | { | |
867 | git_buf path = GIT_BUF_INIT; | |
868 | static int _is_insensitive = -1; | |
869 | ||
870 | if (_is_insensitive > -1) | |
871 | return _is_insensitive; | |
872 | ||
873 | if (git_buf_joinpath(&path, gitdir_path, "CoNfIg") < 0) | |
874 | goto cleanup; | |
875 | ||
876 | _is_insensitive = git_path_exists(git_buf_cstr(&path)); | |
877 | ||
878 | cleanup: | |
879 | git_buf_free(&path); | |
880 | return _is_insensitive; | |
881 | } | |
882 | ||
ca1b6e54 RB |
883 | static bool are_symlinks_supported(const char *wd_path) |
884 | { | |
885 | git_buf path = GIT_BUF_INIT; | |
886 | int fd; | |
887 | struct stat st; | |
888 | static int _symlinks_supported = -1; | |
889 | ||
890 | if (_symlinks_supported > -1) | |
891 | return _symlinks_supported; | |
892 | ||
893 | if ((fd = git_futils_mktmp(&path, wd_path)) < 0 || | |
894 | p_close(fd) < 0 || | |
895 | p_unlink(path.ptr) < 0 || | |
896 | p_symlink("testing", path.ptr) < 0 || | |
897 | p_lstat(path.ptr, &st) < 0) | |
898 | _symlinks_supported = false; | |
899 | else | |
900 | _symlinks_supported = (S_ISLNK(st.st_mode) != 0); | |
901 | ||
902 | (void)p_unlink(path.ptr); | |
903 | git_buf_free(&path); | |
904 | ||
905 | return _symlinks_supported; | |
906 | } | |
907 | ||
270160b9 | 908 | static int create_empty_file(const char *path, mode_t mode) |
909 | { | |
910 | int fd; | |
911 | ||
912 | if ((fd = p_creat(path, mode)) < 0) { | |
913 | giterr_set(GITERR_OS, "Error while creating '%s'", path); | |
914 | return -1; | |
915 | } | |
916 | ||
917 | if (p_close(fd) < 0) { | |
918 | giterr_set(GITERR_OS, "Error while closing '%s'", path); | |
919 | return -1; | |
920 | } | |
921 | ||
922 | return 0; | |
923 | } | |
924 | ||
662880ca | 925 | static int repo_init_config( |
ca1b6e54 RB |
926 | const char *repo_dir, |
927 | const char *work_dir, | |
928 | git_repository_init_options *opts) | |
9462c471 | 929 | { |
ca1b6e54 | 930 | int error = 0; |
97769280 RB |
931 | git_buf cfg_path = GIT_BUF_INIT; |
932 | git_config *config = NULL; | |
9462c471 | 933 | |
ca1b6e54 RB |
934 | #define SET_REPO_CONFIG(TYPE, NAME, VAL) do {\ |
935 | if ((error = git_config_set_##TYPE(config, NAME, VAL)) < 0) \ | |
936 | goto cleanup; } while (0) | |
9462c471 | 937 | |
ca1b6e54 | 938 | if (git_buf_joinpath(&cfg_path, repo_dir, GIT_CONFIG_FILENAME_INREPO) < 0) |
cb8a7961 | 939 | return -1; |
9462c471 | 940 | |
270160b9 | 941 | if (!git_path_isfile(git_buf_cstr(&cfg_path)) && |
942 | create_empty_file(git_buf_cstr(&cfg_path), GIT_CONFIG_FILE_MODE) < 0) { | |
943 | git_buf_free(&cfg_path); | |
944 | return -1; | |
945 | } | |
946 | ||
fac66990 | 947 | if (git_config_open_ondisk(&config, git_buf_cstr(&cfg_path)) < 0) { |
cb8a7961 VM |
948 | git_buf_free(&cfg_path); |
949 | return -1; | |
950 | } | |
9462c471 | 951 | |
662880ca | 952 | if ((opts->flags & GIT_REPOSITORY_INIT__IS_REINIT) != 0 && |
ca1b6e54 RB |
953 | (error = check_repositoryformatversion(config)) < 0) |
954 | goto cleanup; | |
2c227b8b | 955 | |
662880ca RB |
956 | SET_REPO_CONFIG( |
957 | bool, "core.bare", (opts->flags & GIT_REPOSITORY_INIT_BARE) != 0); | |
958 | SET_REPO_CONFIG( | |
959 | int32, "core.repositoryformatversion", GIT_REPO_VERSION); | |
960 | SET_REPO_CONFIG( | |
961 | bool, "core.filemode", is_chmod_supported(git_buf_cstr(&cfg_path))); | |
962 | ||
ca1b6e54 | 963 | if (!(opts->flags & GIT_REPOSITORY_INIT_BARE)) { |
7623b1b6 | 964 | SET_REPO_CONFIG(bool, "core.logallrefupdates", true); |
965 | ||
ca1b6e54 RB |
966 | if (!are_symlinks_supported(work_dir)) |
967 | SET_REPO_CONFIG(bool, "core.symlinks", false); | |
968 | ||
969 | if (!(opts->flags & GIT_REPOSITORY_INIT__NATURAL_WD)) { | |
970 | SET_REPO_CONFIG(string, "core.worktree", work_dir); | |
971 | } | |
972 | else if ((opts->flags & GIT_REPOSITORY_INIT__IS_REINIT) != 0) { | |
54b2a37a | 973 | if (git_config_delete_entry(config, "core.worktree") < 0) |
89cd5708 | 974 | giterr_clear(); |
ca1b6e54 RB |
975 | } |
976 | } else { | |
977 | if (!are_symlinks_supported(repo_dir)) | |
978 | SET_REPO_CONFIG(bool, "core.symlinks", false); | |
979 | } | |
980 | ||
662880ca | 981 | if (!(opts->flags & GIT_REPOSITORY_INIT__IS_REINIT) && |
ca1b6e54 | 982 | is_filesystem_case_insensitive(repo_dir)) |
693b23c0 | 983 | SET_REPO_CONFIG(bool, "core.ignorecase", true); |
662880ca | 984 | |
ca1b6e54 | 985 | if (opts->mode == GIT_REPOSITORY_INIT_SHARED_GROUP) { |
662880ca RB |
986 | SET_REPO_CONFIG(int32, "core.sharedrepository", 1); |
987 | SET_REPO_CONFIG(bool, "receive.denyNonFastforwards", true); | |
ca1b6e54 RB |
988 | } |
989 | else if (opts->mode == GIT_REPOSITORY_INIT_SHARED_ALL) { | |
662880ca RB |
990 | SET_REPO_CONFIG(int32, "core.sharedrepository", 2); |
991 | SET_REPO_CONFIG(bool, "receive.denyNonFastforwards", true); | |
992 | } | |
9462c471 | 993 | |
ca1b6e54 | 994 | cleanup: |
97769280 | 995 | git_buf_free(&cfg_path); |
9462c471 | 996 | git_config_free(config); |
662880ca | 997 | |
ca1b6e54 | 998 | return error; |
d2d6912e | 999 | } |
e1f8cad0 | 1000 | |
dc34da6e | 1001 | static int repo_write_template( |
991a56c7 RB |
1002 | const char *git_dir, |
1003 | bool allow_overwrite, | |
1004 | const char *file, | |
1005 | mode_t mode, | |
662880ca | 1006 | bool hidden, |
991a56c7 | 1007 | const char *content) |
dc34da6e RB |
1008 | { |
1009 | git_buf path = GIT_BUF_INIT; | |
991a56c7 | 1010 | int fd, error = 0, flags; |
dc34da6e RB |
1011 | |
1012 | if (git_buf_joinpath(&path, git_dir, file) < 0) | |
1013 | return -1; | |
1014 | ||
991a56c7 RB |
1015 | if (allow_overwrite) |
1016 | flags = O_WRONLY | O_CREAT | O_TRUNC; | |
1017 | else | |
1018 | flags = O_WRONLY | O_CREAT | O_EXCL; | |
1019 | ||
1020 | fd = p_open(git_buf_cstr(&path), flags, mode); | |
dc34da6e | 1021 | |
db628072 RB |
1022 | if (fd >= 0) { |
1023 | error = p_write(fd, content, strlen(content)); | |
dc34da6e | 1024 | |
db628072 RB |
1025 | p_close(fd); |
1026 | } | |
1027 | else if (errno != EEXIST) | |
1028 | error = fd; | |
dc34da6e | 1029 | |
662880ca RB |
1030 | #ifdef GIT_WIN32 |
1031 | if (!error && hidden) { | |
1032 | if (p_hide_directory__w32(path.ptr) < 0) | |
1033 | error = -1; | |
1034 | } | |
1035 | #else | |
1036 | GIT_UNUSED(hidden); | |
1037 | #endif | |
1038 | ||
dc34da6e | 1039 | git_buf_free(&path); |
db628072 RB |
1040 | |
1041 | if (error) | |
1042 | giterr_set(GITERR_OS, | |
1043 | "Failed to initialize repository with template '%s'", file); | |
1044 | ||
1045 | return error; | |
dc34da6e RB |
1046 | } |
1047 | ||
662880ca RB |
1048 | static int repo_write_gitlink( |
1049 | const char *in_dir, const char *to_repo) | |
4b8e27c8 | 1050 | { |
662880ca RB |
1051 | int error; |
1052 | git_buf buf = GIT_BUF_INIT; | |
1053 | struct stat st; | |
1054 | ||
1055 | git_path_dirname_r(&buf, to_repo); | |
1056 | git_path_to_dir(&buf); | |
1057 | if (git_buf_oom(&buf)) | |
cb8a7961 | 1058 | return -1; |
a67a096a | 1059 | |
662880ca RB |
1060 | /* don't write gitlink to natural workdir */ |
1061 | if (git__suffixcmp(to_repo, "/" DOT_GIT "/") == 0 && | |
1062 | strcmp(in_dir, buf.ptr) == 0) | |
1063 | { | |
1064 | error = GIT_PASSTHROUGH; | |
1065 | goto cleanup; | |
1066 | } | |
1067 | ||
1068 | if ((error = git_buf_joinpath(&buf, in_dir, DOT_GIT)) < 0) | |
1069 | goto cleanup; | |
1070 | ||
1071 | if (!p_stat(buf.ptr, &st) && !S_ISREG(st.st_mode)) { | |
1072 | giterr_set(GITERR_REPOSITORY, | |
1073 | "Cannot overwrite gitlink file into path '%s'", in_dir); | |
1074 | error = GIT_EEXISTS; | |
1075 | goto cleanup; | |
1076 | } | |
1077 | ||
1078 | git_buf_clear(&buf); | |
1079 | ||
1080 | error = git_buf_printf(&buf, "%s %s", GIT_FILE_CONTENT_PREFIX, to_repo); | |
1081 | ||
1082 | if (!error) | |
18f08264 | 1083 | error = repo_write_template(in_dir, true, DOT_GIT, 0666, true, buf.ptr); |
662880ca RB |
1084 | |
1085 | cleanup: | |
1086 | git_buf_free(&buf); | |
1087 | return error; | |
1088 | } | |
1089 | ||
ca1b6e54 RB |
1090 | static mode_t pick_dir_mode(git_repository_init_options *opts) |
1091 | { | |
1092 | if (opts->mode == GIT_REPOSITORY_INIT_SHARED_UMASK) | |
18f08264 | 1093 | return 0777; |
ca1b6e54 RB |
1094 | if (opts->mode == GIT_REPOSITORY_INIT_SHARED_GROUP) |
1095 | return (0775 | S_ISGID); | |
1096 | if (opts->mode == GIT_REPOSITORY_INIT_SHARED_ALL) | |
1097 | return (0777 | S_ISGID); | |
1098 | return opts->mode; | |
1099 | } | |
1100 | ||
662880ca RB |
1101 | #include "repo_template.h" |
1102 | ||
1103 | static int repo_init_structure( | |
1104 | const char *repo_dir, | |
1105 | const char *work_dir, | |
1106 | git_repository_init_options *opts) | |
1107 | { | |
ca1b6e54 | 1108 | int error = 0; |
662880ca | 1109 | repo_template_item *tpl; |
ca1b6e54 RB |
1110 | bool external_tpl = |
1111 | ((opts->flags & GIT_REPOSITORY_INIT_EXTERNAL_TEMPLATE) != 0); | |
1112 | mode_t dmode = pick_dir_mode(opts); | |
662880ca RB |
1113 | |
1114 | /* Hide the ".git" directory */ | |
17837602 | 1115 | #ifdef GIT_WIN32 |
2eb4edf5 | 1116 | if ((opts->flags & GIT_REPOSITORY_INIT__HAS_DOTGIT) != 0) { |
662880ca | 1117 | if (p_hide_directory__w32(repo_dir) < 0) { |
cb8a7961 VM |
1118 | giterr_set(GITERR_REPOSITORY, |
1119 | "Failed to mark Git repository folder as hidden"); | |
1120 | return -1; | |
1121 | } | |
17837602 | 1122 | } |
2eb4edf5 RB |
1123 | #endif |
1124 | ||
1125 | /* Create the .git gitlink if appropriate */ | |
1126 | if ((opts->flags & GIT_REPOSITORY_INIT_BARE) == 0 && | |
1127 | (opts->flags & GIT_REPOSITORY_INIT__NATURAL_WD) == 0) | |
1128 | { | |
662880ca | 1129 | if (repo_write_gitlink(work_dir, repo_dir) < 0) |
cb8a7961 | 1130 | return -1; |
97769280 | 1131 | } |
1c2c7c0d | 1132 | |
ca1b6e54 RB |
1133 | /* Copy external template if requested */ |
1134 | if (external_tpl) { | |
0cd1c3bb L |
1135 | git_config *cfg = NULL; |
1136 | const char *tdir = NULL; | |
1137 | bool default_template = false; | |
a025907e L |
1138 | git_buf template_buf = GIT_BUF_INIT; |
1139 | ||
ca1b6e54 RB |
1140 | if (opts->template_path) |
1141 | tdir = opts->template_path; | |
0cd1c3bb | 1142 | else if ((error = git_config_open_default(&cfg)) >= 0) { |
ca1b6e54 | 1143 | error = git_config_get_string(&tdir, cfg, "init.templatedir"); |
ca1b6e54 | 1144 | giterr_clear(); |
0cd1c3bb L |
1145 | } |
1146 | ||
1147 | if (!tdir) { | |
417472e3 L |
1148 | if ((error = git_futils_find_template_dir(&template_buf)) >= 0); |
1149 | tdir = template_buf.ptr; | |
0cd1c3bb | 1150 | default_template = true; |
662880ca | 1151 | } |
ca1b6e54 RB |
1152 | |
1153 | error = git_futils_cp_r(tdir, repo_dir, | |
18f08264 RB |
1154 | GIT_CPDIR_COPY_SYMLINKS | GIT_CPDIR_CHMOD_DIRS | |
1155 | GIT_CPDIR_SIMPLE_TO_MODE, dmode); | |
ca1b6e54 | 1156 | |
0cd1c3bb L |
1157 | git_buf_free(&template_buf); |
1158 | git_config_free(cfg); | |
ca1b6e54 | 1159 | if (error < 0) { |
0cd1c3bb | 1160 | if (!default_template) |
ca1b6e54 RB |
1161 | return error; |
1162 | ||
1163 | /* if template was default, ignore error and use internal */ | |
1164 | giterr_clear(); | |
1165 | external_tpl = false; | |
b7b1acfd | 1166 | error = 0; |
ca1b6e54 RB |
1167 | } |
1168 | } | |
1169 | ||
1170 | /* Copy internal template | |
1171 | * - always ensure existence of dirs | |
1172 | * - only create files if no external template was specified | |
1173 | */ | |
1174 | for (tpl = repo_template; !error && tpl->path; ++tpl) { | |
1175 | if (!tpl->content) | |
1176 | error = git_futils_mkdir( | |
1177 | tpl->path, repo_dir, dmode, GIT_MKDIR_PATH | GIT_MKDIR_CHMOD); | |
1178 | else if (!external_tpl) { | |
662880ca RB |
1179 | const char *content = tpl->content; |
1180 | ||
1181 | if (opts->description && strcmp(tpl->path, GIT_DESC_FILE) == 0) | |
1182 | content = opts->description; | |
1183 | ||
ca1b6e54 RB |
1184 | error = repo_write_template( |
1185 | repo_dir, false, tpl->path, tpl->mode, false, content); | |
662880ca | 1186 | } |
dc34da6e RB |
1187 | } |
1188 | ||
ca1b6e54 | 1189 | return error; |
4b8e27c8 | 1190 | } |
1191 | ||
3c42e4ef RB |
1192 | static int mkdir_parent(git_buf *buf, uint32_t mode, bool skip2) |
1193 | { | |
0d1b094b RB |
1194 | /* When making parent directories during repository initialization |
1195 | * don't try to set gid or grant world write access | |
1196 | */ | |
3c42e4ef | 1197 | return git_futils_mkdir( |
0d1b094b | 1198 | buf->ptr, NULL, mode & ~(S_ISGID | 0002), |
3c42e4ef RB |
1199 | GIT_MKDIR_PATH | GIT_MKDIR_VERIFY_DIR | |
1200 | (skip2 ? GIT_MKDIR_SKIP_LAST2 : GIT_MKDIR_SKIP_LAST)); | |
1201 | } | |
1202 | ||
662880ca RB |
1203 | static int repo_init_directories( |
1204 | git_buf *repo_path, | |
1205 | git_buf *wd_path, | |
1206 | const char *given_repo, | |
1207 | git_repository_init_options *opts) | |
4b8e27c8 | 1208 | { |
662880ca | 1209 | int error = 0; |
3c42e4ef | 1210 | bool is_bare, add_dotgit, has_dotgit, natural_wd; |
ca1b6e54 | 1211 | mode_t dirmode; |
932d1baf | 1212 | |
3c42e4ef RB |
1213 | /* There are three possible rules for what we are allowed to create: |
1214 | * - MKPATH means anything we need | |
1215 | * - MKDIR means just the .git directory and its parent and the workdir | |
1216 | * - Neither means only the .git directory can be created | |
1217 | * | |
1218 | * There are 5 "segments" of path that we might need to deal with: | |
1219 | * 1. The .git directory | |
1220 | * 2. The parent of the .git directory | |
1221 | * 3. Everything above the parent of the .git directory | |
1222 | * 4. The working directory (often the same as #2) | |
1223 | * 5. Everything above the working directory (often the same as #3) | |
1224 | * | |
1225 | * For all directories created, we start with the init_mode value for | |
1226 | * permissions and then strip off bits in some cases: | |
1227 | * | |
1228 | * For MKPATH, we create #3 (and #5) paths without S_ISGID or S_IWOTH | |
1229 | * For MKPATH and MKDIR, we create #2 (and #4) without S_ISGID | |
1230 | * For all rules, we create #1 using the untouched init_mode | |
1231 | */ | |
1232 | ||
662880ca | 1233 | /* set up repo path */ |
4b8e27c8 | 1234 | |
3c42e4ef RB |
1235 | is_bare = ((opts->flags & GIT_REPOSITORY_INIT_BARE) != 0); |
1236 | ||
662880ca RB |
1237 | add_dotgit = |
1238 | (opts->flags & GIT_REPOSITORY_INIT_NO_DOTGIT_DIR) == 0 && | |
3c42e4ef | 1239 | !is_bare && |
662880ca RB |
1240 | git__suffixcmp(given_repo, "/" DOT_GIT) != 0 && |
1241 | git__suffixcmp(given_repo, "/" GIT_DIR) != 0; | |
4b8e27c8 | 1242 | |
662880ca RB |
1243 | if (git_buf_joinpath(repo_path, given_repo, add_dotgit ? GIT_DIR : "") < 0) |
1244 | return -1; | |
693b23c0 | 1245 | |
662880ca RB |
1246 | has_dotgit = (git__suffixcmp(repo_path->ptr, "/" GIT_DIR) == 0); |
1247 | if (has_dotgit) | |
1248 | opts->flags |= GIT_REPOSITORY_INIT__HAS_DOTGIT; | |
1249 | ||
1250 | /* set up workdir path */ | |
1251 | ||
3c42e4ef | 1252 | if (!is_bare) { |
662880ca | 1253 | if (opts->workdir_path) { |
ca1b6e54 RB |
1254 | if (git_path_join_unrooted( |
1255 | wd_path, opts->workdir_path, repo_path->ptr, NULL) < 0) | |
1256 | return -1; | |
662880ca RB |
1257 | } else if (has_dotgit) { |
1258 | if (git_path_dirname_r(wd_path, repo_path->ptr) < 0) | |
1259 | return -1; | |
1260 | } else { | |
1261 | giterr_set(GITERR_REPOSITORY, "Cannot pick working directory" | |
1262 | " for non-bare repository that isn't a '.git' directory"); | |
1263 | return -1; | |
1264 | } | |
693b23c0 | 1265 | |
662880ca RB |
1266 | if (git_path_to_dir(wd_path) < 0) |
1267 | return -1; | |
1268 | } else { | |
1269 | git_buf_clear(wd_path); | |
1270 | } | |
1271 | ||
1272 | natural_wd = | |
1273 | has_dotgit && | |
1274 | wd_path->size > 0 && | |
1275 | wd_path->size + strlen(GIT_DIR) == repo_path->size && | |
1276 | memcmp(repo_path->ptr, wd_path->ptr, wd_path->size) == 0; | |
1277 | if (natural_wd) | |
1278 | opts->flags |= GIT_REPOSITORY_INIT__NATURAL_WD; | |
1279 | ||
662880ca RB |
1280 | /* create directories as needed / requested */ |
1281 | ||
ca1b6e54 | 1282 | dirmode = pick_dir_mode(opts); |
662880ca | 1283 | |
3c42e4ef RB |
1284 | if ((opts->flags & GIT_REPOSITORY_INIT_MKPATH) != 0) { |
1285 | /* create path #5 */ | |
1286 | if (wd_path->size > 0 && | |
1287 | (error = mkdir_parent(wd_path, dirmode, false)) < 0) | |
1288 | return error; | |
1289 | ||
1290 | /* create path #3 (if not the same as #5) */ | |
1291 | if (!natural_wd && | |
1292 | (error = mkdir_parent(repo_path, dirmode, has_dotgit)) < 0) | |
1293 | return error; | |
1294 | } | |
1295 | ||
1296 | if ((opts->flags & GIT_REPOSITORY_INIT_MKDIR) != 0 || | |
1297 | (opts->flags & GIT_REPOSITORY_INIT_MKPATH) != 0) | |
1298 | { | |
1299 | /* create path #4 */ | |
1300 | if (wd_path->size > 0 && | |
1301 | (error = git_futils_mkdir( | |
1302 | wd_path->ptr, NULL, dirmode & ~S_ISGID, | |
1303 | GIT_MKDIR_VERIFY_DIR)) < 0) | |
1304 | return error; | |
1305 | ||
1306 | /* create path #2 (if not the same as #4) */ | |
1307 | if (!natural_wd && | |
1308 | (error = git_futils_mkdir( | |
1309 | repo_path->ptr, NULL, dirmode & ~S_ISGID, | |
1310 | GIT_MKDIR_VERIFY_DIR | GIT_MKDIR_SKIP_LAST)) < 0) | |
1311 | return error; | |
662880ca | 1312 | } |
662880ca | 1313 | |
ca1b6e54 RB |
1314 | if ((opts->flags & GIT_REPOSITORY_INIT_MKDIR) != 0 || |
1315 | (opts->flags & GIT_REPOSITORY_INIT_MKPATH) != 0 || | |
1316 | has_dotgit) | |
1317 | { | |
3c42e4ef | 1318 | /* create path #1 */ |
18f08264 RB |
1319 | error = git_futils_mkdir(repo_path->ptr, NULL, dirmode, |
1320 | GIT_MKDIR_VERIFY_DIR | ((dirmode & S_ISGID) ? GIT_MKDIR_CHMOD : 0)); | |
662880ca | 1321 | } |
ca1b6e54 | 1322 | |
662880ca RB |
1323 | /* prettify both directories now that they are created */ |
1324 | ||
1325 | if (!error) { | |
1326 | error = git_path_prettify_dir(repo_path, repo_path->ptr, NULL); | |
1327 | ||
1328 | if (!error && wd_path->size > 0) | |
1329 | error = git_path_prettify_dir(wd_path, wd_path->ptr, NULL); | |
1330 | } | |
1331 | ||
1332 | return error; | |
1333 | } | |
1334 | ||
1335 | static int repo_init_create_origin(git_repository *repo, const char *url) | |
1336 | { | |
1337 | int error; | |
1338 | git_remote *remote; | |
1339 | ||
29f27599 | 1340 | if (!(error = git_remote_create(&remote, repo, GIT_REMOTE_ORIGIN, url))) { |
662880ca RB |
1341 | git_remote_free(remote); |
1342 | } | |
1343 | ||
1344 | return error; | |
1345 | } | |
1346 | ||
1347 | int git_repository_init( | |
1348 | git_repository **repo_out, const char *path, unsigned is_bare) | |
1349 | { | |
b4d13652 | 1350 | git_repository_init_options opts = GIT_REPOSITORY_INIT_OPTIONS_INIT; |
662880ca | 1351 | |
662880ca RB |
1352 | opts.flags = GIT_REPOSITORY_INIT_MKPATH; /* don't love this default */ |
1353 | if (is_bare) | |
1354 | opts.flags |= GIT_REPOSITORY_INIT_BARE; | |
1355 | ||
1356 | return git_repository_init_ext(repo_out, path, &opts); | |
1357 | } | |
1358 | ||
1359 | int git_repository_init_ext( | |
c9fc4a6f | 1360 | git_repository **out, |
662880ca RB |
1361 | const char *given_repo, |
1362 | git_repository_init_options *opts) | |
1363 | { | |
1364 | int error; | |
1365 | git_buf repo_path = GIT_BUF_INIT, wd_path = GIT_BUF_INIT; | |
1366 | ||
c9fc4a6f | 1367 | assert(out && given_repo && opts); |
662880ca | 1368 | |
c7231c45 | 1369 | GITERR_CHECK_VERSION(opts, GIT_REPOSITORY_INIT_OPTIONS_VERSION, "git_repository_init_options"); |
b4d13652 | 1370 | |
662880ca RB |
1371 | error = repo_init_directories(&repo_path, &wd_path, given_repo, opts); |
1372 | if (error < 0) | |
693b23c0 | 1373 | goto cleanup; |
662880ca RB |
1374 | |
1375 | if (valid_repository_path(&repo_path)) { | |
1376 | ||
1377 | if ((opts->flags & GIT_REPOSITORY_INIT_NO_REINIT) != 0) { | |
1378 | giterr_set(GITERR_REPOSITORY, | |
1379 | "Attempt to reinitialize '%s'", given_repo); | |
1380 | error = GIT_EEXISTS; | |
1381 | goto cleanup; | |
1382 | } | |
1383 | ||
1384 | opts->flags |= GIT_REPOSITORY_INIT__IS_REINIT; | |
1385 | ||
ca1b6e54 RB |
1386 | error = repo_init_config( |
1387 | git_buf_cstr(&repo_path), git_buf_cstr(&wd_path), opts); | |
662880ca RB |
1388 | |
1389 | /* TODO: reinitialize the templates */ | |
1390 | } | |
1391 | else { | |
1392 | if (!(error = repo_init_structure( | |
1393 | git_buf_cstr(&repo_path), git_buf_cstr(&wd_path), opts)) && | |
ca1b6e54 RB |
1394 | !(error = repo_init_config( |
1395 | git_buf_cstr(&repo_path), git_buf_cstr(&wd_path), opts))) | |
662880ca RB |
1396 | error = repo_init_create_head( |
1397 | git_buf_cstr(&repo_path), opts->initial_head); | |
cb8a7961 | 1398 | } |
662880ca RB |
1399 | if (error < 0) |
1400 | goto cleanup; | |
1401 | ||
c9fc4a6f | 1402 | error = git_repository_open(out, git_buf_cstr(&repo_path)); |
d2d6912e | 1403 | |
662880ca | 1404 | if (!error && opts->origin_url) |
c9fc4a6f | 1405 | error = repo_init_create_origin(*out, opts->origin_url); |
693b23c0 | 1406 | |
1407 | cleanup: | |
662880ca RB |
1408 | git_buf_free(&repo_path); |
1409 | git_buf_free(&wd_path); | |
1410 | ||
1411 | return error; | |
40c44d2f | 1412 | } |
35502d2e | 1413 | |
c682886e | 1414 | int git_repository_head_detached(git_repository *repo) |
35502d2e CMN |
1415 | { |
1416 | git_reference *ref; | |
9462c471 | 1417 | git_odb *odb = NULL; |
cb8a7961 | 1418 | int exists; |
9462c471 | 1419 | |
cb8a7961 VM |
1420 | if (git_repository_odb__weakptr(&odb, repo) < 0) |
1421 | return -1; | |
35502d2e | 1422 | |
cb8a7961 VM |
1423 | if (git_reference_lookup(&ref, repo, GIT_HEAD_FILE) < 0) |
1424 | return -1; | |
35502d2e | 1425 | |
75abd2b9 MS |
1426 | if (git_reference_type(ref) == GIT_REF_SYMBOLIC) { |
1427 | git_reference_free(ref); | |
35502d2e | 1428 | return 0; |
75abd2b9 | 1429 | } |
35502d2e | 1430 | |
2508cc66 | 1431 | exists = git_odb_exists(odb, git_reference_target(ref)); |
75abd2b9 MS |
1432 | |
1433 | git_reference_free(ref); | |
cb8a7961 | 1434 | return exists; |
35502d2e CMN |
1435 | } |
1436 | ||
3601c4bf | 1437 | int git_repository_head(git_reference **head_out, git_repository *repo) |
35502d2e | 1438 | { |
b1a3a70e | 1439 | git_reference *head; |
8b05bea8 | 1440 | int error; |
1441 | ||
b1a3a70e | 1442 | if ((error = git_reference_lookup(&head, repo, GIT_HEAD_FILE)) < 0) |
1443 | return error; | |
1444 | ||
1445 | if (git_reference_type(head) == GIT_REF_OID) { | |
1446 | *head_out = head; | |
1447 | return 0; | |
1448 | } | |
1449 | ||
2508cc66 | 1450 | error = git_reference_lookup_resolved(head_out, repo, git_reference_symbolic_target(head), -1); |
b1a3a70e | 1451 | git_reference_free(head); |
8b05bea8 | 1452 | |
605da51a | 1453 | return error == GIT_ENOTFOUND ? GIT_EUNBORNBRANCH : error; |
3601c4bf | 1454 | } |
1455 | ||
605da51a | 1456 | int git_repository_head_unborn(git_repository *repo) |
3601c4bf | 1457 | { |
cb8a7961 | 1458 | git_reference *ref = NULL; |
3601c4bf | 1459 | int error; |
1460 | ||
1461 | error = git_repository_head(&ref, repo); | |
cb8a7961 | 1462 | git_reference_free(ref); |
35502d2e | 1463 | |
605da51a | 1464 | if (error == GIT_EUNBORNBRANCH) |
cb8a7961 | 1465 | return 1; |
75abd2b9 | 1466 | |
cb8a7961 VM |
1467 | if (error < 0) |
1468 | return -1; | |
1469 | ||
1470 | return 0; | |
35502d2e | 1471 | } |
e0011be3 | 1472 | |
0066955d | 1473 | static int at_least_one_cb(const char *refname, void *payload) |
41233c40 | 1474 | { |
6091457e | 1475 | GIT_UNUSED(refname); |
1476 | GIT_UNUSED(payload); | |
41233c40 | 1477 | |
6091457e | 1478 | return GIT_EUSER; |
1479 | } | |
41233c40 | 1480 | |
6091457e | 1481 | static int repo_contains_no_reference(git_repository *repo) |
1482 | { | |
ec24e542 | 1483 | int error = git_reference_foreach_name(repo, &at_least_one_cb, NULL); |
0f489fb2 | 1484 | |
6091457e | 1485 | if (error == GIT_EUSER) |
0f489fb2 | 1486 | return 0; |
ec24e542 | 1487 | |
e976b56d RB |
1488 | if (!error) |
1489 | return 1; | |
ec24e542 | 1490 | |
e976b56d | 1491 | return error; |
6091457e | 1492 | } |
75abd2b9 | 1493 | |
6091457e | 1494 | int git_repository_is_empty(git_repository *repo) |
1495 | { | |
1496 | git_reference *head = NULL; | |
42181836 | 1497 | int is_empty = 0; |
cb8a7961 | 1498 | |
6091457e | 1499 | if (git_reference_lookup(&head, repo, GIT_HEAD_FILE) < 0) |
cb8a7961 VM |
1500 | return -1; |
1501 | ||
42181836 RB |
1502 | if (git_reference_type(head) == GIT_REF_SYMBOLIC) |
1503 | is_empty = | |
1504 | (strcmp(git_reference_symbolic_target(head), | |
1505 | GIT_REFS_HEADS_DIR "master") == 0) && | |
1506 | repo_contains_no_reference(repo); | |
6091457e | 1507 | |
6091457e | 1508 | git_reference_free(head); |
42181836 RB |
1509 | |
1510 | return is_empty; | |
41233c40 VM |
1511 | } |
1512 | ||
9462c471 | 1513 | const char *git_repository_path(git_repository *repo) |
4a34b3a9 | 1514 | { |
1515 | assert(repo); | |
9462c471 VM |
1516 | return repo->path_repository; |
1517 | } | |
4a34b3a9 | 1518 | |
9462c471 VM |
1519 | const char *git_repository_workdir(git_repository *repo) |
1520 | { | |
1521 | assert(repo); | |
602ee38b | 1522 | |
9462c471 VM |
1523 | if (repo->is_bare) |
1524 | return NULL; | |
602ee38b | 1525 | |
9462c471 VM |
1526 | return repo->workdir; |
1527 | } | |
602ee38b | 1528 | |
991a56c7 RB |
1529 | int git_repository_set_workdir( |
1530 | git_repository *repo, const char *workdir, int update_gitlink) | |
9462c471 | 1531 | { |
991a56c7 | 1532 | int error = 0; |
b78fb64d | 1533 | git_buf path = GIT_BUF_INIT; |
1534 | ||
9462c471 | 1535 | assert(repo && workdir); |
602ee38b | 1536 | |
b78fb64d | 1537 | if (git_path_prettify_dir(&path, workdir, NULL) < 0) |
1538 | return -1; | |
9462c471 | 1539 | |
991a56c7 RB |
1540 | if (repo->workdir && strcmp(repo->workdir, path.ptr) == 0) |
1541 | return 0; | |
9462c471 | 1542 | |
991a56c7 RB |
1543 | if (update_gitlink) { |
1544 | git_config *config; | |
1545 | ||
1546 | if (git_repository_config__weakptr(&config, repo) < 0) | |
1547 | return -1; | |
1548 | ||
662880ca | 1549 | error = repo_write_gitlink(path.ptr, git_repository_path(repo)); |
991a56c7 RB |
1550 | |
1551 | /* passthrough error means gitlink is unnecessary */ | |
1552 | if (error == GIT_PASSTHROUGH) | |
54b2a37a | 1553 | error = git_config_delete_entry(config, "core.worktree"); |
991a56c7 RB |
1554 | else if (!error) |
1555 | error = git_config_set_string(config, "core.worktree", path.ptr); | |
1556 | ||
1557 | if (!error) | |
1558 | error = git_config_set_bool(config, "core.bare", false); | |
1559 | } | |
1560 | ||
1561 | if (!error) { | |
1562 | char *old_workdir = repo->workdir; | |
1563 | ||
1564 | repo->workdir = git_buf_detach(&path); | |
1565 | repo->is_bare = 0; | |
1566 | ||
1567 | git__free(old_workdir); | |
1568 | } | |
1569 | ||
1570 | return error; | |
4a34b3a9 | 1571 | } |
fa9bcd81 | 1572 | |
1573 | int git_repository_is_bare(git_repository *repo) | |
1574 | { | |
1575 | assert(repo); | |
1576 | return repo->is_bare; | |
1577 | } | |
f917481e RB |
1578 | |
1579 | int git_repository_head_tree(git_tree **tree, git_repository *repo) | |
1580 | { | |
5cec896a | 1581 | git_reference *head; |
1582 | git_object *obj; | |
1583 | int error; | |
f917481e | 1584 | |
5cec896a | 1585 | if ((error = git_repository_head(&head, repo)) < 0) |
1586 | return error; | |
f917481e | 1587 | |
5cec896a | 1588 | if ((error = git_reference_peel(&obj, head, GIT_OBJ_TREE)) < 0) |
1589 | goto cleanup; | |
f917481e RB |
1590 | |
1591 | *tree = (git_tree *)obj; | |
5cec896a | 1592 | |
1593 | cleanup: | |
1594 | git_reference_free(head); | |
1595 | return error; | |
f917481e | 1596 | } |
074841ec | 1597 | |
074841ec CMN |
1598 | int git_repository_message(char *buffer, size_t len, git_repository *repo) |
1599 | { | |
0ac349a9 VM |
1600 | git_buf buf = GIT_BUF_INIT, path = GIT_BUF_INIT; |
1601 | struct stat st; | |
0ac349a9 | 1602 | int error; |
074841ec | 1603 | |
3d1c9f61 RB |
1604 | if (buffer != NULL) |
1605 | *buffer = '\0'; | |
1606 | ||
632d8b23 | 1607 | if (git_buf_joinpath(&path, repo->path_repository, GIT_MERGE_MSG_FILE) < 0) |
0ac349a9 | 1608 | return -1; |
074841ec | 1609 | |
e9ca852e | 1610 | if ((error = p_stat(git_buf_cstr(&path), &st)) < 0) { |
074841ec CMN |
1611 | if (errno == ENOENT) |
1612 | error = GIT_ENOTFOUND; | |
1a9e406c | 1613 | giterr_set(GITERR_OS, "Could not access message file"); |
0ac349a9 | 1614 | } |
e9ca852e RB |
1615 | else if (buffer != NULL) { |
1616 | error = git_futils_readbuffer(&buf, git_buf_cstr(&path)); | |
1617 | git_buf_copy_cstr(buffer, len, &buf); | |
0ac349a9 | 1618 | } |
074841ec | 1619 | |
0ac349a9 VM |
1620 | git_buf_free(&path); |
1621 | git_buf_free(&buf); | |
074841ec | 1622 | |
e9ca852e RB |
1623 | if (!error) |
1624 | error = (int)st.st_size + 1; /* add 1 for NUL byte */ | |
1625 | ||
1626 | return error; | |
074841ec CMN |
1627 | } |
1628 | ||
1629 | int git_repository_message_remove(git_repository *repo) | |
1630 | { | |
0ac349a9 VM |
1631 | git_buf path = GIT_BUF_INIT; |
1632 | int error; | |
074841ec | 1633 | |
632d8b23 | 1634 | if (git_buf_joinpath(&path, repo->path_repository, GIT_MERGE_MSG_FILE) < 0) |
0ac349a9 | 1635 | return -1; |
074841ec CMN |
1636 | |
1637 | error = p_unlink(git_buf_cstr(&path)); | |
1638 | git_buf_free(&path); | |
1639 | ||
1640 | return error; | |
1641 | } | |
47bfa0be RB |
1642 | |
1643 | int git_repository_hashfile( | |
0cb16fe9 L |
1644 | git_oid *out, |
1645 | git_repository *repo, | |
1646 | const char *path, | |
1647 | git_otype type, | |
1648 | const char *as_path) | |
47bfa0be RB |
1649 | { |
1650 | int error; | |
85d54812 | 1651 | git_filter_list *fl = NULL; |
b1127a30 | 1652 | git_file fd = -1; |
47bfa0be RB |
1653 | git_off_t len; |
1654 | git_buf full_path = GIT_BUF_INIT; | |
1655 | ||
a13fb55a RB |
1656 | assert(out && path && repo); /* as_path can be NULL */ |
1657 | ||
1658 | /* At some point, it would be nice if repo could be NULL to just | |
1659 | * apply filter rules defined in system and global files, but for | |
1660 | * now that is not possible because git_filters_load() needs it. | |
1661 | */ | |
47bfa0be RB |
1662 | |
1663 | error = git_path_join_unrooted( | |
1664 | &full_path, path, repo ? git_repository_workdir(repo) : NULL, NULL); | |
1665 | if (error < 0) | |
1666 | return error; | |
1667 | ||
1668 | if (!as_path) | |
1669 | as_path = path; | |
1670 | ||
1671 | /* passing empty string for "as_path" indicated --no-filters */ | |
1672 | if (strlen(as_path) > 0) { | |
4b11f25a RB |
1673 | error = git_filter_list_load( |
1674 | &fl, repo, NULL, as_path, GIT_FILTER_TO_ODB); | |
47bfa0be RB |
1675 | if (error < 0) |
1676 | return error; | |
1677 | } else { | |
1678 | error = 0; | |
1679 | } | |
1680 | ||
1681 | /* at this point, error is a count of the number of loaded filters */ | |
1682 | ||
1683 | fd = git_futils_open_ro(full_path.ptr); | |
1684 | if (fd < 0) { | |
1685 | error = fd; | |
1686 | goto cleanup; | |
1687 | } | |
1688 | ||
1689 | len = git_futils_filesize(fd); | |
1690 | if (len < 0) { | |
75050223 | 1691 | error = (int)len; |
47bfa0be RB |
1692 | goto cleanup; |
1693 | } | |
1694 | ||
1695 | if (!git__is_sizet(len)) { | |
1696 | giterr_set(GITERR_OS, "File size overflow for 32-bit systems"); | |
1697 | error = -1; | |
1698 | goto cleanup; | |
1699 | } | |
1700 | ||
85d54812 | 1701 | error = git_odb__hashfd_filtered(out, fd, (size_t)len, type, fl); |
47bfa0be RB |
1702 | |
1703 | cleanup: | |
b1127a30 SS |
1704 | if (fd >= 0) |
1705 | p_close(fd); | |
85d54812 | 1706 | git_filter_list_free(fl); |
47bfa0be RB |
1707 | git_buf_free(&full_path); |
1708 | ||
1709 | return error; | |
1710 | } | |
1711 | ||
44af67a8 | 1712 | static bool looks_like_a_branch(const char *refname) |
1713 | { | |
1714 | return git__prefixcmp(refname, GIT_REFS_HEADS_DIR) == 0; | |
1715 | } | |
1716 | ||
1717 | int git_repository_set_head( | |
1718 | git_repository* repo, | |
1719 | const char* refname) | |
1720 | { | |
1721 | git_reference *ref, | |
1722 | *new_head = NULL; | |
1723 | int error; | |
1724 | ||
1725 | assert(repo && refname); | |
1726 | ||
1727 | error = git_reference_lookup(&ref, repo, refname); | |
1728 | if (error < 0 && error != GIT_ENOTFOUND) | |
1729 | return error; | |
1730 | ||
1731 | if (!error) { | |
1732 | if (git_reference_is_branch(ref)) | |
2508cc66 | 1733 | error = git_reference_symbolic_create(&new_head, repo, GIT_HEAD_FILE, git_reference_name(ref), 1); |
44af67a8 | 1734 | else |
2508cc66 | 1735 | error = git_repository_set_head_detached(repo, git_reference_target(ref)); |
44af67a8 | 1736 | } else if (looks_like_a_branch(refname)) |
2508cc66 | 1737 | error = git_reference_symbolic_create(&new_head, repo, GIT_HEAD_FILE, refname, 1); |
44af67a8 | 1738 | |
1739 | git_reference_free(ref); | |
1740 | git_reference_free(new_head); | |
1741 | return error; | |
1742 | } | |
1743 | ||
4ebe38bd | 1744 | int git_repository_set_head_detached( |
1745 | git_repository* repo, | |
1746 | const git_oid* commitish) | |
1747 | { | |
1748 | int error; | |
1749 | git_object *object, | |
1750 | *peeled = NULL; | |
1751 | git_reference *new_head = NULL; | |
1752 | ||
1753 | assert(repo && commitish); | |
1754 | ||
1755 | if ((error = git_object_lookup(&object, repo, commitish, GIT_OBJ_ANY)) < 0) | |
1756 | return error; | |
1757 | ||
1758 | if ((error = git_object_peel(&peeled, object, GIT_OBJ_COMMIT)) < 0) | |
1759 | goto cleanup; | |
1760 | ||
2508cc66 | 1761 | error = git_reference_create(&new_head, repo, GIT_HEAD_FILE, git_object_id(peeled), 1); |
4ebe38bd | 1762 | |
1763 | cleanup: | |
1764 | git_object_free(object); | |
1765 | git_object_free(peeled); | |
1766 | git_reference_free(new_head); | |
1767 | return error; | |
1768 | } | |
1769 | ||
3f4c3072 | 1770 | int git_repository_detach_head( |
1771 | git_repository* repo) | |
1772 | { | |
1773 | git_reference *old_head = NULL, | |
1774 | *new_head = NULL; | |
1775 | git_object *object = NULL; | |
8b05bea8 | 1776 | int error; |
3f4c3072 | 1777 | |
1778 | assert(repo); | |
1779 | ||
8b05bea8 | 1780 | if ((error = git_repository_head(&old_head, repo)) < 0) |
1781 | return error; | |
3f4c3072 | 1782 | |
2508cc66 | 1783 | if ((error = git_object_lookup(&object, repo, git_reference_target(old_head), GIT_OBJ_COMMIT)) < 0) |
3f4c3072 | 1784 | goto cleanup; |
1785 | ||
2508cc66 | 1786 | error = git_reference_create(&new_head, repo, GIT_HEAD_FILE, git_reference_target(old_head), 1); |
3f4c3072 | 1787 | |
1788 | cleanup: | |
1789 | git_object_free(object); | |
1790 | git_reference_free(old_head); | |
1791 | git_reference_free(new_head); | |
1792 | return error; | |
1793 | } | |
632d8b23 | 1794 | |
31966d20 | 1795 | /** |
1796 | * Loosely ported from git.git | |
1797 | * https://github.com/git/git/blob/master/contrib/completion/git-prompt.sh#L198-289 | |
1798 | */ | |
632d8b23 ET |
1799 | int git_repository_state(git_repository *repo) |
1800 | { | |
1801 | git_buf repo_path = GIT_BUF_INIT; | |
1802 | int state = GIT_REPOSITORY_STATE_NONE; | |
1803 | ||
1804 | assert(repo); | |
1805 | ||
1806 | if (git_buf_puts(&repo_path, repo->path_repository) < 0) | |
1807 | return -1; | |
1808 | ||
31966d20 | 1809 | if (git_path_contains_file(&repo_path, GIT_REBASE_MERGE_INTERACTIVE_FILE)) |
1810 | state = GIT_REPOSITORY_STATE_REBASE_INTERACTIVE; | |
1811 | else if (git_path_contains_dir(&repo_path, GIT_REBASE_MERGE_DIR)) | |
1812 | state = GIT_REPOSITORY_STATE_REBASE_MERGE; | |
1813 | else if (git_path_contains_file(&repo_path, GIT_REBASE_APPLY_REBASING_FILE)) | |
1814 | state = GIT_REPOSITORY_STATE_REBASE; | |
1815 | else if (git_path_contains_file(&repo_path, GIT_REBASE_APPLY_APPLYING_FILE)) | |
1816 | state = GIT_REPOSITORY_STATE_APPLY_MAILBOX; | |
1817 | else if (git_path_contains_dir(&repo_path, GIT_REBASE_APPLY_DIR)) | |
1818 | state = GIT_REPOSITORY_STATE_APPLY_MAILBOX_OR_REBASE; | |
1819 | else if (git_path_contains_file(&repo_path, GIT_MERGE_HEAD_FILE)) | |
632d8b23 ET |
1820 | state = GIT_REPOSITORY_STATE_MERGE; |
1821 | else if(git_path_contains_file(&repo_path, GIT_REVERT_HEAD_FILE)) | |
1822 | state = GIT_REPOSITORY_STATE_REVERT; | |
1823 | else if(git_path_contains_file(&repo_path, GIT_CHERRY_PICK_HEAD_FILE)) | |
1824 | state = GIT_REPOSITORY_STATE_CHERRY_PICK; | |
31966d20 | 1825 | else if(git_path_contains_file(&repo_path, GIT_BISECT_LOG_FILE)) |
1826 | state = GIT_REPOSITORY_STATE_BISECT; | |
632d8b23 ET |
1827 | |
1828 | git_buf_free(&repo_path); | |
1829 | return state; | |
1830 | } | |
93d8f77f BS |
1831 | |
1832 | int git_repository_is_shallow(git_repository *repo) | |
1833 | { | |
1834 | git_buf path = GIT_BUF_INIT; | |
1835 | struct stat st; | |
6f0b8142 | 1836 | int error; |
93d8f77f BS |
1837 | |
1838 | git_buf_joinpath(&path, repo->path_repository, "shallow"); | |
6f0b8142 BS |
1839 | error = git_path_lstat(path.ptr, &st); |
1840 | git_buf_free(&path); | |
93d8f77f | 1841 | |
6f0b8142 | 1842 | if (error == GIT_ENOTFOUND) |
93d8f77f | 1843 | return 0; |
6f0b8142 BS |
1844 | if (error < 0) |
1845 | return -1; | |
93d8f77f BS |
1846 | return st.st_size == 0 ? 0 : 1; |
1847 | } |