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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 | */ |
7784bcbb | 7 | #include <ctype.h> |
3315782c | 8 | |
44908fe7 | 9 | #include "git2/object.h" |
d00d5464 | 10 | #include "git2/refdb.h" |
1384b688 | 11 | #include "git2/sys/repository.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" |
83634d38 | 19 | #include "sysdir.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" |
62d38a1d | 29 | #include "annotated_commit.h" |
9282e921 | 30 | |
c2c81615 PK |
31 | #ifdef GIT_WIN32 |
32 | # include "win32/w32_util.h" | |
33 | #endif | |
34 | ||
16c73d38 CMN |
35 | static int check_repositoryformatversion(git_config *config); |
36 | ||
7784bcbb | 37 | #define GIT_FILE_CONTENT_PREFIX "gitdir:" |
6a01b6bd | 38 | |
28990938 | 39 | #define GIT_BRANCH_MASTER "master" |
40 | ||
29e948de | 41 | #define GIT_REPO_VERSION 0 |
691aa968 | 42 | |
4196dd8e ET |
43 | git_buf git_repository__reserved_names_win32[] = { |
44 | { DOT_GIT, 0, CONST_STRLEN(DOT_GIT) }, | |
45 | { GIT_DIR_SHORTNAME, 0, CONST_STRLEN(GIT_DIR_SHORTNAME) } | |
46 | }; | |
47 | size_t git_repository__reserved_names_win32_len = 2; | |
48 | ||
49 | git_buf git_repository__reserved_names_posix[] = { | |
50 | { DOT_GIT, 0, CONST_STRLEN(DOT_GIT) }, | |
51 | }; | |
52 | size_t git_repository__reserved_names_posix_len = 1; | |
a64119e3 | 53 | |
e976b56d | 54 | static void set_odb(git_repository *repo, git_odb *odb) |
9462c471 | 55 | { |
e976b56d RB |
56 | if (odb) { |
57 | GIT_REFCOUNT_OWN(odb, repo); | |
58 | GIT_REFCOUNT_INC(odb); | |
59 | } | |
60 | ||
61 | if ((odb = git__swap(repo->_odb, odb)) != NULL) { | |
62 | GIT_REFCOUNT_OWN(odb, NULL); | |
63 | git_odb_free(odb); | |
eb2f3b47 | 64 | } |
9462c471 | 65 | } |
691aa968 | 66 | |
e976b56d | 67 | static void set_refdb(git_repository *repo, git_refdb *refdb) |
d00d5464 | 68 | { |
e976b56d RB |
69 | if (refdb) { |
70 | GIT_REFCOUNT_OWN(refdb, repo); | |
71 | GIT_REFCOUNT_INC(refdb); | |
72 | } | |
73 | ||
74 | if ((refdb = git__swap(repo->_refdb, refdb)) != NULL) { | |
75 | GIT_REFCOUNT_OWN(refdb, NULL); | |
76 | git_refdb_free(refdb); | |
d00d5464 ET |
77 | } |
78 | } | |
79 | ||
e976b56d | 80 | static void set_config(git_repository *repo, git_config *config) |
9462c471 | 81 | { |
e976b56d RB |
82 | if (config) { |
83 | GIT_REFCOUNT_OWN(config, repo); | |
84 | GIT_REFCOUNT_INC(config); | |
85 | } | |
86 | ||
87 | if ((config = git__swap(repo->_config, config)) != NULL) { | |
88 | GIT_REFCOUNT_OWN(config, NULL); | |
89 | git_config_free(config); | |
eb2f3b47 | 90 | } |
e976b56d RB |
91 | |
92 | git_repository__cvar_cache_clear(repo); | |
691aa968 VM |
93 | } |
94 | ||
e976b56d | 95 | static void set_index(git_repository *repo, git_index *index) |
6fd195d7 | 96 | { |
e976b56d RB |
97 | if (index) { |
98 | GIT_REFCOUNT_OWN(index, repo); | |
99 | GIT_REFCOUNT_INC(index); | |
100 | } | |
101 | ||
102 | if ((index = git__swap(repo->_index, index)) != NULL) { | |
103 | GIT_REFCOUNT_OWN(index, NULL); | |
104 | git_index_free(index); | |
9462c471 | 105 | } |
e0011be3 VM |
106 | } |
107 | ||
879458e7 | 108 | void git_repository__cleanup(git_repository *repo) |
e0011be3 | 109 | { |
879458e7 | 110 | assert(repo); |
6fd195d7 | 111 | |
879458e7 | 112 | git_cache_clear(&repo->objects); |
73b51450 | 113 | git_attr_cache_flush(repo); |
6fd195d7 | 114 | |
e976b56d RB |
115 | set_config(repo, NULL); |
116 | set_index(repo, NULL); | |
117 | set_odb(repo, NULL); | |
118 | set_refdb(repo, NULL); | |
879458e7 VM |
119 | } |
120 | ||
121 | void git_repository_free(git_repository *repo) | |
122 | { | |
4196dd8e ET |
123 | size_t i; |
124 | ||
879458e7 VM |
125 | if (repo == NULL) |
126 | return; | |
127 | ||
128 | git_repository__cleanup(repo); | |
129 | ||
130 | git_cache_free(&repo->objects); | |
3eadfecd | 131 | |
114f5a6c | 132 | git_diff_driver_registry_free(repo->diff_drivers); |
3eadfecd | 133 | repo->diff_drivers = NULL; |
9462c471 | 134 | |
4196dd8e ET |
135 | for (i = 0; i < repo->reserved_names.size; i++) |
136 | git_buf_free(git_array_get(repo->reserved_names, i)); | |
78db0239 | 137 | git_array_clear(repo->reserved_names); |
4196dd8e | 138 | |
78db0239 | 139 | git__free(repo->path_gitlink); |
53607868 RB |
140 | git__free(repo->path_repository); |
141 | git__free(repo->workdir); | |
bade5194 | 142 | git__free(repo->namespace); |
659cf202 CMN |
143 | git__free(repo->ident_name); |
144 | git__free(repo->ident_email); | |
53607868 | 145 | |
6de9b2ee | 146 | git__memzero(repo, sizeof(*repo)); |
9462c471 | 147 | git__free(repo); |
6fd195d7 VM |
148 | } |
149 | ||
9462c471 VM |
150 | /* |
151 | * Git repository open methods | |
152 | * | |
153 | * Open a repository object from its path | |
154 | */ | |
cb8a7961 | 155 | static bool valid_repository_path(git_buf *repository_path) |
5ad739e8 | 156 | { |
97769280 | 157 | /* Check OBJECTS_DIR first, since it will generate the longest path name */ |
1a481123 | 158 | if (git_path_contains_dir(repository_path, GIT_OBJECTS_DIR) == false) |
cb8a7961 | 159 | return false; |
5ad739e8 | 160 | |
97769280 | 161 | /* Ensure HEAD file exists */ |
1a481123 | 162 | if (git_path_contains_file(repository_path, GIT_HEAD_FILE) == false) |
cb8a7961 | 163 | return false; |
5ad739e8 | 164 | |
1a481123 | 165 | if (git_path_contains_dir(repository_path, GIT_REFS_DIR) == false) |
cb8a7961 | 166 | return false; |
5ad739e8 | 167 | |
cb8a7961 | 168 | return true; |
5ad739e8 VM |
169 | } |
170 | ||
51d00446 | 171 | static git_repository *repository_alloc(void) |
3315782c | 172 | { |
3e9e6cda | 173 | git_repository *repo = git__calloc(1, sizeof(git_repository)); |
3315782c | 174 | |
4196dd8e ET |
175 | if (repo == NULL || |
176 | git_cache_init(&repo->objects) < 0) | |
177 | goto on_error; | |
178 | ||
179 | git_array_init_to_size(repo->reserved_names, 4); | |
180 | if (!repo->reserved_names.ptr) | |
181 | goto on_error; | |
3315782c | 182 | |
f2c25d18 VM |
183 | /* set all the entries in the cvar cache to `unset` */ |
184 | git_repository__cvar_cache_clear(repo); | |
185 | ||
6fd195d7 | 186 | return repo; |
4196dd8e ET |
187 | |
188 | on_error: | |
189 | if (repo) | |
190 | git_cache_free(&repo->objects); | |
191 | ||
192 | git__free(repo); | |
193 | return NULL; | |
6fd195d7 VM |
194 | } |
195 | ||
7cc3c920 JW |
196 | int git_repository_new(git_repository **out) |
197 | { | |
770aca94 ET |
198 | git_repository *repo; |
199 | ||
200 | *out = repo = repository_alloc(); | |
201 | GITERR_CHECK_ALLOC(repo); | |
202 | ||
203 | repo->is_bare = 1; | |
204 | ||
7cc3c920 JW |
205 | return 0; |
206 | } | |
207 | ||
29c4cb09 | 208 | static int load_config_data(git_repository *repo, const git_config *config) |
ec3c7a16 | 209 | { |
cb8a7961 | 210 | int is_bare; |
ec3c7a16 | 211 | |
d3e9c4a5 | 212 | /* Try to figure out if it's bare, default to non-bare if it's not set */ |
29e948de | 213 | if (git_config_get_bool(&is_bare, config, "core.bare") < 0) |
d3e9c4a5 CMN |
214 | repo->is_bare = 0; |
215 | else | |
216 | repo->is_bare = is_bare; | |
c94785a9 | 217 | |
cb8a7961 | 218 | return 0; |
9462c471 | 219 | } |
ec3c7a16 | 220 | |
29c4cb09 | 221 | static int load_workdir(git_repository *repo, git_config *config, git_buf *parent_path) |
9462c471 | 222 | { |
7784bcbb | 223 | int error; |
9a97f49e | 224 | git_config_entry *ce; |
9f77b3f6 | 225 | git_buf worktree = GIT_BUF_INIT; |
ec3c7a16 | 226 | |
97769280 | 227 | if (repo->is_bare) |
cb8a7961 | 228 | return 0; |
ec3c7a16 | 229 | |
9f77b3f6 RB |
230 | if ((error = git_config__lookup_entry( |
231 | &ce, config, "core.worktree", false)) < 0) | |
232 | return error; | |
ec3c7a16 | 233 | |
9f77b3f6 RB |
234 | if (ce && ce->value) { |
235 | if ((error = git_path_prettify_dir( | |
236 | &worktree, ce->value, repo->path_repository)) < 0) | |
9a97f49e | 237 | goto cleanup; |
9f77b3f6 RB |
238 | |
239 | repo->workdir = git_buf_detach(&worktree); | |
5f4a61ae | 240 | } |
9f77b3f6 RB |
241 | else if (parent_path && git_path_isdir(parent_path->ptr)) |
242 | repo->workdir = git_buf_detach(parent_path); | |
7784bcbb | 243 | else { |
9f77b3f6 | 244 | if (git_path_dirname_r(&worktree, repo->path_repository) < 0 || |
9a97f49e CMN |
245 | git_path_to_dir(&worktree) < 0) { |
246 | error = -1; | |
247 | goto cleanup; | |
248 | } | |
9f77b3f6 RB |
249 | |
250 | repo->workdir = git_buf_detach(&worktree); | |
7784bcbb RB |
251 | } |
252 | ||
253 | GITERR_CHECK_ALLOC(repo->workdir); | |
9a97f49e CMN |
254 | cleanup: |
255 | git_config_entry_free(ce); | |
256 | return error; | |
ec3c7a16 VM |
257 | } |
258 | ||
7784bcbb RB |
259 | /* |
260 | * This function returns furthest offset into path where a ceiling dir | |
261 | * is found, so we can stop processing the path at that point. | |
262 | * | |
263 | * Note: converting this to use git_bufs instead of GIT_PATH_MAX buffers on | |
264 | * the stack could remove directories name limits, but at the cost of doing | |
265 | * repeated malloc/frees inside the loop below, so let's not do it now. | |
266 | */ | |
b118f647 | 267 | static size_t find_ceiling_dir_offset( |
7784bcbb RB |
268 | const char *path, |
269 | const char *ceiling_directories) | |
270 | { | |
271 | char buf[GIT_PATH_MAX + 1]; | |
272 | char buf2[GIT_PATH_MAX + 1]; | |
273 | const char *ceil, *sep; | |
44ef8b1b | 274 | size_t len, max_len = 0, min_len; |
7784bcbb RB |
275 | |
276 | assert(path); | |
277 | ||
44ef8b1b | 278 | min_len = (size_t)(git_path_root(path) + 1); |
7784bcbb RB |
279 | |
280 | if (ceiling_directories == NULL || min_len == 0) | |
b118f647 | 281 | return min_len; |
7784bcbb RB |
282 | |
283 | for (sep = ceil = ceiling_directories; *sep; ceil = sep + 1) { | |
284 | for (sep = ceil; *sep && *sep != GIT_PATH_LIST_SEPARATOR; sep++); | |
285 | len = sep - ceil; | |
286 | ||
44ef8b1b | 287 | if (len == 0 || len >= sizeof(buf) || git_path_root(ceil) == -1) |
7784bcbb RB |
288 | continue; |
289 | ||
290 | strncpy(buf, ceil, len); | |
291 | buf[len] = '\0'; | |
292 | ||
293 | if (p_realpath(buf, buf2) == NULL) | |
294 | continue; | |
295 | ||
296 | len = strlen(buf2); | |
297 | if (len > 0 && buf2[len-1] == '/') | |
298 | buf[--len] = '\0'; | |
299 | ||
300 | if (!strncmp(path, buf2, len) && | |
3fe046cf | 301 | (path[len] == '/' || !path[len]) && |
7784bcbb RB |
302 | len > max_len) |
303 | { | |
304 | max_len = len; | |
305 | } | |
306 | } | |
307 | ||
b118f647 | 308 | return (max_len <= min_len ? min_len : max_len); |
7784bcbb RB |
309 | } |
310 | ||
311 | /* | |
312 | * Read the contents of `file_path` and set `path_out` to the repo dir that | |
313 | * it points to. Before calling, set `path_out` to the base directory that | |
314 | * should be used if the contents of `file_path` are a relative path. | |
315 | */ | |
316 | static int read_gitfile(git_buf *path_out, const char *file_path) | |
317 | { | |
318 | int error = 0; | |
319 | git_buf file = GIT_BUF_INIT; | |
320 | size_t prefix_len = strlen(GIT_FILE_CONTENT_PREFIX); | |
321 | ||
322 | assert(path_out && file_path); | |
323 | ||
324 | if (git_futils_readbuffer(&file, file_path) < 0) | |
325 | return -1; | |
326 | ||
327 | git_buf_rtrim(&file); | |
6b415f62 RB |
328 | /* apparently on Windows, some people use backslashes in paths */ |
329 | git_path_mkposix(file.ptr); | |
7784bcbb | 330 | |
662880ca RB |
331 | if (git_buf_len(&file) <= prefix_len || |
332 | memcmp(git_buf_cstr(&file), GIT_FILE_CONTENT_PREFIX, prefix_len) != 0) | |
7784bcbb | 333 | { |
6b415f62 | 334 | giterr_set(GITERR_REPOSITORY, |
909d5494 | 335 | "the `.git` file at '%s' is malformed", file_path); |
7784bcbb RB |
336 | error = -1; |
337 | } | |
338 | else if ((error = git_path_dirname_r(path_out, file_path)) >= 0) { | |
662880ca | 339 | const char *gitlink = git_buf_cstr(&file) + prefix_len; |
0f49200c | 340 | while (*gitlink && git__isspace(*gitlink)) gitlink++; |
6b415f62 | 341 | |
662880ca RB |
342 | error = git_path_prettify_dir( |
343 | path_out, gitlink, git_buf_cstr(path_out)); | |
7784bcbb RB |
344 | } |
345 | ||
346 | git_buf_free(&file); | |
347 | return error; | |
348 | } | |
349 | ||
350 | static int find_repo( | |
351 | git_buf *repo_path, | |
352 | git_buf *parent_path, | |
4196dd8e | 353 | git_buf *link_path, |
7784bcbb RB |
354 | const char *start_path, |
355 | uint32_t flags, | |
356 | const char *ceiling_dirs) | |
691aa968 | 357 | { |
7784bcbb RB |
358 | int error; |
359 | git_buf path = GIT_BUF_INIT; | |
2b490284 | 360 | git_buf repo_link = GIT_BUF_INIT; |
7784bcbb RB |
361 | struct stat st; |
362 | dev_t initial_device = 0; | |
ed577134 JT |
363 | int min_iterations; |
364 | bool in_dot_git; | |
b118f647 | 365 | size_t ceiling_offset = 0; |
7784bcbb RB |
366 | |
367 | git_buf_free(repo_path); | |
368 | ||
2b490284 JT |
369 | error = git_path_prettify(&path, start_path, NULL); |
370 | if (error < 0) | |
7784bcbb RB |
371 | return error; |
372 | ||
ed577134 JT |
373 | /* in_dot_git toggles each loop: |
374 | * /a/b/c/.git, /a/b/c, /a/b/.git, /a/b, /a/.git, /a | |
39c6fca3 JT |
375 | * With GIT_REPOSITORY_OPEN_BARE or GIT_REPOSITORY_OPEN_NO_DOTGIT, we |
376 | * assume we started with /a/b/c.git and don't append .git the first | |
377 | * time through. | |
ed577134 JT |
378 | * min_iterations indicates the number of iterations left before going |
379 | * further counts as a search. */ | |
39c6fca3 | 380 | if (flags & (GIT_REPOSITORY_OPEN_BARE | GIT_REPOSITORY_OPEN_NO_DOTGIT)) { |
ed577134 JT |
381 | in_dot_git = true; |
382 | min_iterations = 1; | |
383 | } else { | |
384 | in_dot_git = false; | |
385 | min_iterations = 2; | |
386 | } | |
7784bcbb | 387 | |
2b490284 | 388 | for (;;) { |
39c6fca3 | 389 | if (!(flags & GIT_REPOSITORY_OPEN_NO_DOTGIT)) { |
2b490284 JT |
390 | if (!in_dot_git) { |
391 | error = git_buf_joinpath(&path, path.ptr, DOT_GIT); | |
392 | if (error < 0) | |
39c6fca3 | 393 | break; |
2b490284 | 394 | } |
39c6fca3 JT |
395 | in_dot_git = !in_dot_git; |
396 | } | |
7784bcbb | 397 | |
7784bcbb RB |
398 | if (p_stat(path.ptr, &st) == 0) { |
399 | /* check that we have not crossed device boundaries */ | |
400 | if (initial_device == 0) | |
401 | initial_device = st.st_dev; | |
402 | else if (st.st_dev != initial_device && | |
2b490284 | 403 | !(flags & GIT_REPOSITORY_OPEN_CROSS_FS)) |
7784bcbb RB |
404 | break; |
405 | ||
406 | if (S_ISDIR(st.st_mode)) { | |
407 | if (valid_repository_path(&path)) { | |
408 | git_path_to_dir(&path); | |
409 | git_buf_set(repo_path, path.ptr, path.size); | |
410 | break; | |
411 | } | |
412 | } | |
0f316096 | 413 | else if (S_ISREG(st.st_mode) && git__suffixcmp(path.ptr, "/" DOT_GIT) == 0) { |
2b490284 JT |
414 | error = read_gitfile(&repo_link, path.ptr); |
415 | if (error < 0) | |
7784bcbb | 416 | break; |
2b490284 JT |
417 | if (valid_repository_path(&repo_link)) { |
418 | git_buf_swap(repo_path, &repo_link); | |
419 | ||
420 | if (link_path) | |
421 | error = git_buf_put(link_path, path.ptr, path.size); | |
7784bcbb | 422 | } |
2b490284 | 423 | break; |
7784bcbb RB |
424 | } |
425 | } | |
426 | ||
2b490284 JT |
427 | /* Move up one directory. If we're in_dot_git, we'll search the |
428 | * parent itself next. If we're !in_dot_git, we'll search .git | |
429 | * in the parent directory next (added at the top of the loop). */ | |
7784bcbb RB |
430 | if (git_path_dirname_r(&path, path.ptr) < 0) { |
431 | error = -1; | |
432 | break; | |
433 | } | |
434 | ||
ed577134 JT |
435 | /* Once we've checked the directory (and .git if applicable), |
436 | * find the ceiling for a search. */ | |
437 | if (min_iterations && (--min_iterations == 0)) | |
438 | ceiling_offset = find_ceiling_dir_offset(path.ptr, ceiling_dirs); | |
2b490284 JT |
439 | |
440 | /* Check if we should stop searching here. */ | |
441 | if (min_iterations == 0 | |
442 | && (path.ptr[ceiling_offset] == 0 | |
443 | || (flags & GIT_REPOSITORY_OPEN_NO_SEARCH))) | |
444 | break; | |
7784bcbb RB |
445 | } |
446 | ||
3fe046cf | 447 | if (!error && parent_path && !(flags & GIT_REPOSITORY_OPEN_BARE)) { |
fa6420f7 | 448 | if (!git_buf_len(repo_path)) |
7784bcbb RB |
449 | git_buf_clear(parent_path); |
450 | else { | |
451 | git_path_dirname_r(parent_path, path.ptr); | |
452 | git_path_to_dir(parent_path); | |
453 | } | |
454 | if (git_buf_oom(parent_path)) | |
455 | return -1; | |
456 | } | |
457 | ||
2b490284 JT |
458 | /* If we didn't find the repository, and we don't have any other error |
459 | * to report, report that. */ | |
fa6420f7 | 460 | if (!git_buf_len(repo_path) && !error) { |
cb8a7961 | 461 | giterr_set(GITERR_REPOSITORY, |
909d5494 | 462 | "could not find repository from '%s'", start_path); |
904b67e6 | 463 | error = GIT_ENOTFOUND; |
97769280 | 464 | } |
691aa968 | 465 | |
2b490284 JT |
466 | git_buf_free(&path); |
467 | git_buf_free(&repo_link); | |
7784bcbb RB |
468 | return error; |
469 | } | |
470 | ||
a442ed68 VM |
471 | int git_repository_open_bare( |
472 | git_repository **repo_ptr, | |
473 | const char *bare_path) | |
474 | { | |
475 | int error; | |
476 | git_buf path = GIT_BUF_INIT; | |
477 | git_repository *repo = NULL; | |
478 | ||
479 | if ((error = git_path_prettify_dir(&path, bare_path, NULL)) < 0) | |
480 | return error; | |
481 | ||
482 | if (!valid_repository_path(&path)) { | |
483 | git_buf_free(&path); | |
909d5494 | 484 | giterr_set(GITERR_REPOSITORY, "path is not a repository: %s", bare_path); |
a442ed68 VM |
485 | return GIT_ENOTFOUND; |
486 | } | |
487 | ||
488 | repo = repository_alloc(); | |
489 | GITERR_CHECK_ALLOC(repo); | |
490 | ||
491 | repo->path_repository = git_buf_detach(&path); | |
492 | GITERR_CHECK_ALLOC(repo->path_repository); | |
493 | ||
494 | /* of course we're bare! */ | |
495 | repo->is_bare = 1; | |
496 | repo->workdir = NULL; | |
497 | ||
498 | *repo_ptr = repo; | |
499 | return 0; | |
500 | } | |
501 | ||
0dd98b69 JT |
502 | static int _git_repository_open_ext_from_env( |
503 | git_repository **out, | |
504 | const char *start_path) | |
505 | { | |
506 | git_repository *repo = NULL; | |
507 | git_index *index = NULL; | |
508 | git_odb *odb = NULL; | |
509 | git_buf dir_buf = GIT_BUF_INIT; | |
510 | git_buf ceiling_dirs_buf = GIT_BUF_INIT; | |
511 | git_buf across_fs_buf = GIT_BUF_INIT; | |
512 | git_buf index_file_buf = GIT_BUF_INIT; | |
513 | git_buf namespace_buf = GIT_BUF_INIT; | |
514 | git_buf object_dir_buf = GIT_BUF_INIT; | |
515 | git_buf alts_buf = GIT_BUF_INIT; | |
516 | git_buf work_tree_buf = GIT_BUF_INIT; | |
517 | git_buf common_dir_buf = GIT_BUF_INIT; | |
518 | const char *ceiling_dirs = NULL; | |
519 | unsigned flags = 0; | |
520 | int error; | |
521 | ||
522 | if (!start_path) { | |
523 | error = git__getenv(&dir_buf, "GIT_DIR"); | |
524 | if (error == GIT_ENOTFOUND) { | |
525 | giterr_clear(); | |
526 | start_path = "."; | |
527 | } else if (error < 0) | |
528 | goto error; | |
529 | else { | |
530 | start_path = git_buf_cstr(&dir_buf); | |
531 | flags |= GIT_REPOSITORY_OPEN_NO_SEARCH; | |
532 | flags |= GIT_REPOSITORY_OPEN_NO_DOTGIT; | |
533 | } | |
534 | } | |
535 | ||
536 | error = git__getenv(&ceiling_dirs_buf, "GIT_CEILING_DIRECTORIES"); | |
537 | if (error == GIT_ENOTFOUND) | |
538 | giterr_clear(); | |
539 | else if (error < 0) | |
540 | goto error; | |
541 | else | |
542 | ceiling_dirs = git_buf_cstr(&ceiling_dirs_buf); | |
543 | ||
544 | error = git__getenv(&across_fs_buf, "GIT_DISCOVERY_ACROSS_FILESYSTEM"); | |
545 | if (error == GIT_ENOTFOUND) | |
546 | giterr_clear(); | |
547 | else if (error < 0) | |
548 | goto error; | |
549 | else { | |
550 | int across_fs = 0; | |
551 | error = git_config_parse_bool(&across_fs, git_buf_cstr(&across_fs_buf)); | |
552 | if (error < 0) | |
553 | goto error; | |
554 | if (across_fs) | |
555 | flags |= GIT_REPOSITORY_OPEN_CROSS_FS; | |
556 | } | |
557 | ||
558 | error = git__getenv(&index_file_buf, "GIT_INDEX_FILE"); | |
559 | if (error == GIT_ENOTFOUND) | |
560 | giterr_clear(); | |
561 | else if (error < 0) | |
562 | goto error; | |
563 | else { | |
564 | error = git_index_open(&index, git_buf_cstr(&index_file_buf)); | |
565 | if (error < 0) | |
566 | goto error; | |
567 | } | |
568 | ||
569 | error = git__getenv(&namespace_buf, "GIT_NAMESPACE"); | |
570 | if (error == GIT_ENOTFOUND) | |
571 | giterr_clear(); | |
572 | else if (error < 0) | |
573 | goto error; | |
574 | ||
575 | error = git__getenv(&object_dir_buf, "GIT_OBJECT_DIRECTORY"); | |
576 | if (error == GIT_ENOTFOUND) | |
577 | giterr_clear(); | |
578 | else if (error < 0) | |
579 | goto error; | |
580 | else { | |
581 | error = git_odb_open(&odb, git_buf_cstr(&object_dir_buf)); | |
582 | if (error < 0) | |
583 | goto error; | |
584 | } | |
585 | ||
586 | error = git__getenv(&work_tree_buf, "GIT_WORK_TREE"); | |
587 | if (error == GIT_ENOTFOUND) | |
588 | giterr_clear(); | |
589 | else if (error < 0) | |
590 | goto error; | |
591 | else { | |
592 | giterr_set(GITERR_INVALID, "GIT_WORK_TREE unimplemented"); | |
593 | error = GIT_ERROR; | |
594 | goto error; | |
595 | } | |
596 | ||
597 | error = git__getenv(&work_tree_buf, "GIT_COMMON_DIR"); | |
598 | if (error == GIT_ENOTFOUND) | |
599 | giterr_clear(); | |
600 | else if (error < 0) | |
601 | goto error; | |
602 | else { | |
603 | giterr_set(GITERR_INVALID, "GIT_COMMON_DIR unimplemented"); | |
604 | error = GIT_ERROR; | |
605 | goto error; | |
606 | } | |
607 | ||
608 | error = git_repository_open_ext(&repo, start_path, flags, ceiling_dirs); | |
609 | if (error < 0) | |
610 | goto error; | |
611 | ||
612 | if (odb) | |
613 | git_repository_set_odb(repo, odb); | |
614 | ||
615 | error = git__getenv(&alts_buf, "GIT_ALTERNATE_OBJECT_DIRECTORIES"); | |
c9e967a1 | 616 | if (error == GIT_ENOTFOUND) { |
0dd98b69 | 617 | giterr_clear(); |
c9e967a1 JT |
618 | error = 0; |
619 | } else if (error < 0) | |
0dd98b69 JT |
620 | goto error; |
621 | else { | |
622 | const char *end; | |
623 | char *alt, *sep; | |
624 | if (!odb) { | |
625 | error = git_repository_odb(&odb, repo); | |
626 | if (error < 0) | |
627 | goto error; | |
628 | } | |
629 | ||
630 | end = git_buf_cstr(&alts_buf) + git_buf_len(&alts_buf); | |
631 | for (sep = alt = alts_buf.ptr; sep != end; alt = sep+1) { | |
632 | for (sep = alt; *sep && *sep != GIT_PATH_LIST_SEPARATOR; sep++) | |
633 | ; | |
634 | if (*sep) | |
635 | *sep = '\0'; | |
636 | error = git_odb_add_disk_alternate(odb, alt); | |
637 | if (error < 0) | |
638 | goto error; | |
639 | } | |
640 | } | |
641 | ||
c9e967a1 JT |
642 | if (git_buf_len(&namespace_buf)) { |
643 | error = git_repository_set_namespace(repo, git_buf_cstr(&namespace_buf)); | |
644 | if (error < 0) | |
645 | goto error; | |
646 | } | |
0dd98b69 JT |
647 | |
648 | git_repository_set_index(repo, index); | |
649 | ||
650 | if (out) { | |
651 | *out = repo; | |
652 | goto success; | |
653 | } | |
654 | error: | |
655 | git_repository_free(repo); | |
656 | success: | |
657 | git_odb_free(odb); | |
658 | git_index_free(index); | |
659 | git_buf_free(&common_dir_buf); | |
660 | git_buf_free(&work_tree_buf); | |
661 | git_buf_free(&alts_buf); | |
662 | git_buf_free(&object_dir_buf); | |
663 | git_buf_free(&namespace_buf); | |
664 | git_buf_free(&index_file_buf); | |
665 | git_buf_free(&across_fs_buf); | |
666 | git_buf_free(&ceiling_dirs_buf); | |
667 | git_buf_free(&dir_buf); | |
668 | return error; | |
669 | } | |
670 | ||
7784bcbb RB |
671 | int git_repository_open_ext( |
672 | git_repository **repo_ptr, | |
673 | const char *start_path, | |
c9fc4a6f | 674 | unsigned int flags, |
7784bcbb RB |
675 | const char *ceiling_dirs) |
676 | { | |
677 | int error; | |
4196dd8e ET |
678 | git_buf path = GIT_BUF_INIT, parent = GIT_BUF_INIT, |
679 | link_path = GIT_BUF_INIT; | |
7784bcbb | 680 | git_repository *repo; |
16c73d38 | 681 | git_config *config = NULL; |
7784bcbb | 682 | |
0dd98b69 JT |
683 | if (flags & GIT_REPOSITORY_OPEN_FROM_ENV) |
684 | return _git_repository_open_ext_from_env(repo_ptr, start_path); | |
685 | ||
662880ca RB |
686 | if (repo_ptr) |
687 | *repo_ptr = NULL; | |
7784bcbb | 688 | |
4196dd8e ET |
689 | error = find_repo( |
690 | &path, &parent, &link_path, start_path, flags, ceiling_dirs); | |
691 | ||
662880ca | 692 | if (error < 0 || !repo_ptr) |
7784bcbb RB |
693 | return error; |
694 | ||
e52ed7a5 | 695 | repo = repository_alloc(); |
cb8a7961 | 696 | GITERR_CHECK_ALLOC(repo); |
691aa968 | 697 | |
7784bcbb | 698 | repo->path_repository = git_buf_detach(&path); |
cb8a7961 | 699 | GITERR_CHECK_ALLOC(repo->path_repository); |
691aa968 | 700 | |
4196dd8e ET |
701 | if (link_path.size) { |
702 | repo->path_gitlink = git_buf_detach(&link_path); | |
703 | GITERR_CHECK_ALLOC(repo->path_gitlink); | |
704 | } | |
705 | ||
16c73d38 CMN |
706 | /* |
707 | * We'd like to have the config, but git doesn't particularly | |
708 | * care if it's not there, so we need to deal with that. | |
709 | */ | |
710 | ||
711 | error = git_repository_config_snapshot(&config, repo); | |
712 | if (error < 0 && error != GIT_ENOTFOUND) | |
713 | goto cleanup; | |
714 | ||
715 | if (config && (error = check_repositoryformatversion(config)) < 0) | |
716 | goto cleanup; | |
717 | ||
3fe046cf RB |
718 | if ((flags & GIT_REPOSITORY_OPEN_BARE) != 0) |
719 | repo->is_bare = 1; | |
2b52a0bf | 720 | else { |
2b52a0bf | 721 | |
16c73d38 CMN |
722 | if (config && |
723 | ((error = load_config_data(repo, config)) < 0 || | |
6a8f3fa8 | 724 | (error = load_workdir(repo, config, &parent)) < 0)) |
16c73d38 | 725 | goto cleanup; |
7784bcbb | 726 | } |
691aa968 | 727 | |
16c73d38 | 728 | cleanup: |
146f5c75 | 729 | git_buf_free(&parent); |
16c73d38 CMN |
730 | git_config_free(config); |
731 | ||
732 | if (error < 0) | |
733 | git_repository_free(repo); | |
734 | else | |
735 | *repo_ptr = repo; | |
2b52a0bf RB |
736 | |
737 | return error; | |
7784bcbb | 738 | } |
97769280 | 739 | |
7784bcbb RB |
740 | int git_repository_open(git_repository **repo_out, const char *path) |
741 | { | |
742 | return git_repository_open_ext( | |
743 | repo_out, path, GIT_REPOSITORY_OPEN_NO_SEARCH, NULL); | |
744 | } | |
745 | ||
6782245e CMN |
746 | int git_repository_wrap_odb(git_repository **repo_out, git_odb *odb) |
747 | { | |
748 | git_repository *repo; | |
749 | ||
750 | repo = repository_alloc(); | |
751 | GITERR_CHECK_ALLOC(repo); | |
752 | ||
753 | git_repository_set_odb(repo, odb); | |
754 | *repo_out = repo; | |
755 | ||
756 | return 0; | |
757 | } | |
758 | ||
7784bcbb | 759 | int git_repository_discover( |
7a3bd1e7 | 760 | git_buf *out, |
7784bcbb RB |
761 | const char *start_path, |
762 | int across_fs, | |
763 | const char *ceiling_dirs) | |
764 | { | |
7784bcbb | 765 | uint32_t flags = across_fs ? GIT_REPOSITORY_OPEN_CROSS_FS : 0; |
7784bcbb | 766 | |
7a3bd1e7 | 767 | assert(start_path); |
7784bcbb | 768 | |
7a3bd1e7 | 769 | git_buf_sanitize(out); |
7784bcbb | 770 | |
4196dd8e | 771 | return find_repo(out, NULL, NULL, start_path, flags, ceiling_dirs); |
691aa968 VM |
772 | } |
773 | ||
9462c471 | 774 | static int load_config( |
7784bcbb RB |
775 | git_config **out, |
776 | git_repository *repo, | |
777 | const char *global_config_path, | |
4258d483 | 778 | const char *xdg_config_path, |
8c7c5fa5 CMN |
779 | const char *system_config_path, |
780 | const char *programdata_path) | |
b22d1479 | 781 | { |
cc6b4162 | 782 | int error; |
97769280 | 783 | git_buf config_path = GIT_BUF_INIT; |
9462c471 | 784 | git_config *cfg = NULL; |
b22d1479 | 785 | |
9462c471 | 786 | assert(repo && out); |
07ff8817 | 787 | |
cc6b4162 RB |
788 | if ((error = git_config_new(&cfg)) < 0) |
789 | return error; | |
b22d1479 | 790 | |
cc6b4162 RB |
791 | error = git_buf_joinpath( |
792 | &config_path, repo->path_repository, GIT_CONFIG_FILENAME_INREPO); | |
793 | if (error < 0) | |
cb8a7961 | 794 | goto on_error; |
97769280 | 795 | |
cc6b4162 RB |
796 | if ((error = git_config_add_file_ondisk( |
797 | cfg, config_path.ptr, GIT_CONFIG_LEVEL_LOCAL, 0)) < 0 && | |
798 | error != GIT_ENOTFOUND) | |
cb8a7961 VM |
799 | goto on_error; |
800 | ||
801 | git_buf_free(&config_path); | |
b22d1479 | 802 | |
cc6b4162 RB |
803 | if (global_config_path != NULL && |
804 | (error = git_config_add_file_ondisk( | |
805 | cfg, global_config_path, GIT_CONFIG_LEVEL_GLOBAL, 0)) < 0 && | |
806 | error != GIT_ENOTFOUND) | |
807 | goto on_error; | |
8b4f9b17 | 808 | |
cc6b4162 RB |
809 | if (xdg_config_path != NULL && |
810 | (error = git_config_add_file_ondisk( | |
811 | cfg, xdg_config_path, GIT_CONFIG_LEVEL_XDG, 0)) < 0 && | |
812 | error != GIT_ENOTFOUND) | |
813 | goto on_error; | |
b22d1479 | 814 | |
cc6b4162 RB |
815 | if (system_config_path != NULL && |
816 | (error = git_config_add_file_ondisk( | |
817 | cfg, system_config_path, GIT_CONFIG_LEVEL_SYSTEM, 0)) < 0 && | |
818 | error != GIT_ENOTFOUND) | |
819 | goto on_error; | |
9ba9e513 | 820 | |
8c7c5fa5 CMN |
821 | if (programdata_path != NULL && |
822 | (error = git_config_add_file_ondisk( | |
823 | cfg, programdata_path, GIT_CONFIG_LEVEL_PROGRAMDATA, 0)) < 0 && | |
824 | error != GIT_ENOTFOUND) | |
825 | goto on_error; | |
826 | ||
38f7d026 RB |
827 | giterr_clear(); /* clear any lingering ENOTFOUND errors */ |
828 | ||
9462c471 | 829 | *out = cfg; |
cb8a7961 | 830 | return 0; |
b22d1479 | 831 | |
cb8a7961 VM |
832 | on_error: |
833 | git_buf_free(&config_path); | |
9462c471 VM |
834 | git_config_free(cfg); |
835 | *out = NULL; | |
cc6b4162 | 836 | return error; |
b22d1479 CMN |
837 | } |
838 | ||
53607868 | 839 | static const char *path_unless_empty(git_buf *buf) |
40fe5fbe | 840 | { |
53607868 RB |
841 | return git_buf_len(buf) > 0 ? git_buf_cstr(buf) : NULL; |
842 | } | |
8b4f9b17 | 843 | |
53607868 RB |
844 | int git_repository_config__weakptr(git_config **out, git_repository *repo) |
845 | { | |
846 | int error = 0; | |
40fe5fbe | 847 | |
53607868 RB |
848 | if (repo->_config == NULL) { |
849 | git_buf global_buf = GIT_BUF_INIT; | |
850 | git_buf xdg_buf = GIT_BUF_INIT; | |
851 | git_buf system_buf = GIT_BUF_INIT; | |
8c7c5fa5 | 852 | git_buf programdata_buf = GIT_BUF_INIT; |
53607868 RB |
853 | git_config *config; |
854 | ||
ee550477 CMN |
855 | git_config_find_global(&global_buf); |
856 | git_config_find_xdg(&xdg_buf); | |
857 | git_config_find_system(&system_buf); | |
8c7c5fa5 | 858 | git_config_find_programdata(&programdata_buf); |
53607868 | 859 | |
a4b75dcf CMN |
860 | /* If there is no global file, open a backend for it anyway */ |
861 | if (git_buf_len(&global_buf) == 0) | |
862 | git_config__global_location(&global_buf); | |
863 | ||
53607868 RB |
864 | error = load_config( |
865 | &config, repo, | |
866 | path_unless_empty(&global_buf), | |
867 | path_unless_empty(&xdg_buf), | |
8c7c5fa5 CMN |
868 | path_unless_empty(&system_buf), |
869 | path_unless_empty(&programdata_buf)); | |
53607868 RB |
870 | if (!error) { |
871 | GIT_REFCOUNT_OWN(config, repo); | |
872 | ||
e976b56d | 873 | config = git__compare_and_swap(&repo->_config, NULL, config); |
53607868 RB |
874 | if (config != NULL) { |
875 | GIT_REFCOUNT_OWN(config, NULL); | |
876 | git_config_free(config); | |
877 | } | |
878 | } | |
97769280 RB |
879 | |
880 | git_buf_free(&global_buf); | |
a8918418 | 881 | git_buf_free(&xdg_buf); |
97769280 | 882 | git_buf_free(&system_buf); |
4f971852 | 883 | git_buf_free(&programdata_buf); |
9462c471 | 884 | } |
40fe5fbe | 885 | |
9462c471 | 886 | *out = repo->_config; |
53607868 | 887 | return error; |
40fe5fbe CMN |
888 | } |
889 | ||
9462c471 | 890 | int git_repository_config(git_config **out, git_repository *repo) |
fd0574e5 | 891 | { |
cb8a7961 VM |
892 | if (git_repository_config__weakptr(out, repo) < 0) |
893 | return -1; | |
fd0574e5 | 894 | |
cb8a7961 VM |
895 | GIT_REFCOUNT_INC(*out); |
896 | return 0; | |
9462c471 VM |
897 | } |
898 | ||
ac99d86b CMN |
899 | int git_repository_config_snapshot(git_config **out, git_repository *repo) |
900 | { | |
b1914c36 | 901 | int error; |
ac99d86b CMN |
902 | git_config *weak; |
903 | ||
b1914c36 RB |
904 | if ((error = git_repository_config__weakptr(&weak, repo)) < 0) |
905 | return error; | |
ac99d86b CMN |
906 | |
907 | return git_config_snapshot(out, weak); | |
908 | } | |
909 | ||
9462c471 VM |
910 | void git_repository_set_config(git_repository *repo, git_config *config) |
911 | { | |
912 | assert(repo && config); | |
e976b56d | 913 | set_config(repo, config); |
9462c471 VM |
914 | } |
915 | ||
916 | int git_repository_odb__weakptr(git_odb **out, git_repository *repo) | |
917 | { | |
53607868 RB |
918 | int error = 0; |
919 | ||
9462c471 VM |
920 | assert(repo && out); |
921 | ||
922 | if (repo->_odb == NULL) { | |
97769280 | 923 | git_buf odb_path = GIT_BUF_INIT; |
53607868 | 924 | git_odb *odb; |
9462c471 | 925 | |
3dbd9a0e JG |
926 | if ((error = git_buf_joinpath(&odb_path, repo->path_repository, GIT_OBJECTS_DIR)) < 0) |
927 | return error; | |
9462c471 | 928 | |
53607868 RB |
929 | error = git_odb_open(&odb, odb_path.ptr); |
930 | if (!error) { | |
931 | GIT_REFCOUNT_OWN(odb, repo); | |
cb8a7961 | 932 | |
e976b56d | 933 | odb = git__compare_and_swap(&repo->_odb, NULL, odb); |
53607868 RB |
934 | if (odb != NULL) { |
935 | GIT_REFCOUNT_OWN(odb, NULL); | |
936 | git_odb_free(odb); | |
937 | } | |
938 | } | |
9462c471 | 939 | |
53607868 | 940 | git_buf_free(&odb_path); |
9462c471 | 941 | } |
fd0574e5 | 942 | |
9462c471 | 943 | *out = repo->_odb; |
53607868 | 944 | return error; |
fd0574e5 RG |
945 | } |
946 | ||
9462c471 | 947 | int git_repository_odb(git_odb **out, git_repository *repo) |
6fd195d7 | 948 | { |
cb8a7961 VM |
949 | if (git_repository_odb__weakptr(out, repo) < 0) |
950 | return -1; | |
1795f879 | 951 | |
cb8a7961 VM |
952 | GIT_REFCOUNT_INC(*out); |
953 | return 0; | |
9462c471 | 954 | } |
6fd195d7 | 955 | |
9462c471 VM |
956 | void git_repository_set_odb(git_repository *repo, git_odb *odb) |
957 | { | |
958 | assert(repo && odb); | |
e976b56d | 959 | set_odb(repo, odb); |
9462c471 VM |
960 | } |
961 | ||
d00d5464 ET |
962 | int git_repository_refdb__weakptr(git_refdb **out, git_repository *repo) |
963 | { | |
53607868 RB |
964 | int error = 0; |
965 | ||
d00d5464 ET |
966 | assert(out && repo); |
967 | ||
968 | if (repo->_refdb == NULL) { | |
53607868 | 969 | git_refdb *refdb; |
d00d5464 | 970 | |
53607868 RB |
971 | error = git_refdb_open(&refdb, repo); |
972 | if (!error) { | |
973 | GIT_REFCOUNT_OWN(refdb, repo); | |
d00d5464 | 974 | |
e976b56d | 975 | refdb = git__compare_and_swap(&repo->_refdb, NULL, refdb); |
53607868 RB |
976 | if (refdb != NULL) { |
977 | GIT_REFCOUNT_OWN(refdb, NULL); | |
978 | git_refdb_free(refdb); | |
979 | } | |
980 | } | |
d00d5464 ET |
981 | } |
982 | ||
983 | *out = repo->_refdb; | |
53607868 | 984 | return error; |
d00d5464 ET |
985 | } |
986 | ||
987 | int git_repository_refdb(git_refdb **out, git_repository *repo) | |
988 | { | |
989 | if (git_repository_refdb__weakptr(out, repo) < 0) | |
990 | return -1; | |
991 | ||
992 | GIT_REFCOUNT_INC(*out); | |
993 | return 0; | |
994 | } | |
995 | ||
996 | void git_repository_set_refdb(git_repository *repo, git_refdb *refdb) | |
997 | { | |
53607868 | 998 | assert(repo && refdb); |
e976b56d | 999 | set_refdb(repo, refdb); |
d00d5464 ET |
1000 | } |
1001 | ||
9462c471 VM |
1002 | int git_repository_index__weakptr(git_index **out, git_repository *repo) |
1003 | { | |
53607868 RB |
1004 | int error = 0; |
1005 | ||
9462c471 VM |
1006 | assert(out && repo); |
1007 | ||
9462c471 | 1008 | if (repo->_index == NULL) { |
97769280 | 1009 | git_buf index_path = GIT_BUF_INIT; |
53607868 | 1010 | git_index *index; |
9462c471 | 1011 | |
3dbd9a0e JG |
1012 | if ((error = git_buf_joinpath(&index_path, repo->path_repository, GIT_INDEX_FILE)) < 0) |
1013 | return error; | |
9462c471 | 1014 | |
53607868 RB |
1015 | error = git_index_open(&index, index_path.ptr); |
1016 | if (!error) { | |
1017 | GIT_REFCOUNT_OWN(index, repo); | |
cb8a7961 | 1018 | |
e976b56d | 1019 | index = git__compare_and_swap(&repo->_index, NULL, index); |
53607868 RB |
1020 | if (index != NULL) { |
1021 | GIT_REFCOUNT_OWN(index, NULL); | |
1022 | git_index_free(index); | |
1023 | } | |
9462c471 | 1024 | |
53607868 RB |
1025 | error = git_index_set_caps(repo->_index, GIT_INDEXCAP_FROM_OWNER); |
1026 | } | |
da825c92 | 1027 | |
53607868 | 1028 | git_buf_free(&index_path); |
9462c471 VM |
1029 | } |
1030 | ||
9462c471 | 1031 | *out = repo->_index; |
53607868 | 1032 | return error; |
9462c471 | 1033 | } |
1795f879 | 1034 | |
9462c471 VM |
1035 | int git_repository_index(git_index **out, git_repository *repo) |
1036 | { | |
cb8a7961 VM |
1037 | if (git_repository_index__weakptr(out, repo) < 0) |
1038 | return -1; | |
9462c471 | 1039 | |
cb8a7961 VM |
1040 | GIT_REFCOUNT_INC(*out); |
1041 | return 0; | |
3315782c VM |
1042 | } |
1043 | ||
9462c471 VM |
1044 | void git_repository_set_index(git_repository *repo, git_index *index) |
1045 | { | |
fa8ca519 | 1046 | assert(repo); |
e976b56d | 1047 | set_index(repo, index); |
9462c471 VM |
1048 | } |
1049 | ||
bade5194 VM |
1050 | int git_repository_set_namespace(git_repository *repo, const char *namespace) |
1051 | { | |
1052 | git__free(repo->namespace); | |
1053 | ||
1054 | if (namespace == NULL) { | |
1055 | repo->namespace = NULL; | |
1056 | return 0; | |
1057 | } | |
1058 | ||
1059 | return (repo->namespace = git__strdup(namespace)) ? 0 : -1; | |
1060 | } | |
1061 | ||
1062 | const char *git_repository_get_namespace(git_repository *repo) | |
1063 | { | |
1064 | return repo->namespace; | |
1065 | } | |
1066 | ||
4196dd8e ET |
1067 | #ifdef GIT_WIN32 |
1068 | static int reserved_names_add8dot3(git_repository *repo, const char *path) | |
a64119e3 | 1069 | { |
4196dd8e ET |
1070 | char *name = git_win32_path_8dot3_name(path); |
1071 | const char *def = GIT_DIR_SHORTNAME; | |
526f91f5 | 1072 | const char *def_dot_git = DOT_GIT; |
4196dd8e | 1073 | size_t name_len, def_len = CONST_STRLEN(GIT_DIR_SHORTNAME); |
526f91f5 | 1074 | size_t def_dot_git_len = CONST_STRLEN(DOT_GIT); |
4196dd8e | 1075 | git_buf *buf; |
a64119e3 | 1076 | |
4196dd8e ET |
1077 | if (!name) |
1078 | return 0; | |
1079 | ||
1080 | name_len = strlen(name); | |
1081 | ||
526f91f5 L |
1082 | if ((name_len == def_len && memcmp(name, def, def_len) == 0) || |
1083 | (name_len == def_dot_git_len && memcmp(name, def_dot_git, def_dot_git_len) == 0)) { | |
4196dd8e ET |
1084 | git__free(name); |
1085 | return 0; | |
1086 | } | |
1087 | ||
1088 | if ((buf = git_array_alloc(repo->reserved_names)) == NULL) | |
1089 | return -1; | |
1090 | ||
1091 | git_buf_attach(buf, name, name_len); | |
1092 | return true; | |
1093 | } | |
1094 | ||
1095 | bool git_repository__reserved_names( | |
1096 | git_buf **out, size_t *outlen, git_repository *repo, bool include_ntfs) | |
1097 | { | |
1098 | GIT_UNUSED(include_ntfs); | |
1099 | ||
1100 | if (repo->reserved_names.size == 0) { | |
1101 | git_buf *buf; | |
1102 | size_t i; | |
1103 | ||
1104 | /* Add the static defaults */ | |
1105 | for (i = 0; i < git_repository__reserved_names_win32_len; i++) { | |
1106 | if ((buf = git_array_alloc(repo->reserved_names)) == NULL) | |
1107 | goto on_error; | |
1108 | ||
1109 | buf->ptr = git_repository__reserved_names_win32[i].ptr; | |
1110 | buf->size = git_repository__reserved_names_win32[i].size; | |
1111 | } | |
1112 | ||
538dfc88 ET |
1113 | /* Try to add any repo-specific reserved names - the gitlink file |
1114 | * within a submodule or the repository (if the repository directory | |
1115 | * is beneath the workdir). These are typically `.git`, but should | |
1116 | * be protected in case they are not. Note, repo and workdir paths | |
1117 | * are always prettified to end in `/`, so a prefixcmp is safe. | |
1118 | */ | |
a64119e3 | 1119 | if (!repo->is_bare) { |
538dfc88 ET |
1120 | int (*prefixcmp)(const char *, const char *); |
1121 | int error, ignorecase; | |
a64119e3 | 1122 | |
538dfc88 ET |
1123 | error = git_repository__cvar( |
1124 | &ignorecase, repo, GIT_CVAR_IGNORECASE); | |
1125 | prefixcmp = (error || ignorecase) ? git__prefixcmp_icase : | |
1126 | git__prefixcmp; | |
1127 | ||
1128 | if (repo->path_gitlink && | |
1129 | reserved_names_add8dot3(repo, repo->path_gitlink) < 0) | |
1130 | goto on_error; | |
1131 | ||
1132 | if (repo->path_repository && | |
1133 | prefixcmp(repo->path_repository, repo->workdir) == 0 && | |
1134 | reserved_names_add8dot3(repo, repo->path_repository) < 0) | |
4196dd8e | 1135 | goto on_error; |
a64119e3 | 1136 | } |
a64119e3 ET |
1137 | } |
1138 | ||
4196dd8e ET |
1139 | *out = repo->reserved_names.ptr; |
1140 | *outlen = repo->reserved_names.size; | |
1141 | ||
1142 | return true; | |
1143 | ||
1144 | /* Always give good defaults, even on OOM */ | |
1145 | on_error: | |
1146 | *out = git_repository__reserved_names_win32; | |
1147 | *outlen = git_repository__reserved_names_win32_len; | |
1148 | ||
1149 | return false; | |
a64119e3 | 1150 | } |
4196dd8e ET |
1151 | #else |
1152 | bool git_repository__reserved_names( | |
1153 | git_buf **out, size_t *outlen, git_repository *repo, bool include_ntfs) | |
1154 | { | |
1155 | GIT_UNUSED(repo); | |
1156 | ||
1157 | if (include_ntfs) { | |
1158 | *out = git_repository__reserved_names_win32; | |
1159 | *outlen = git_repository__reserved_names_win32_len; | |
1160 | } else { | |
1161 | *out = git_repository__reserved_names_posix; | |
1162 | *outlen = git_repository__reserved_names_posix_len; | |
1163 | } | |
1164 | ||
1165 | return true; | |
1166 | } | |
1167 | #endif | |
a64119e3 | 1168 | |
2c227b8b | 1169 | static int check_repositoryformatversion(git_config *config) |
40c44d2f | 1170 | { |
99e11cdd | 1171 | int version, error; |
5663e61a | 1172 | |
99e11cdd CMN |
1173 | error = git_config_get_int32(&version, config, "core.repositoryformatversion"); |
1174 | /* git ignores this if the config variable isn't there */ | |
1175 | if (error == GIT_ENOTFOUND) | |
1176 | return 0; | |
1177 | ||
1178 | if (error < 0) | |
cb8a7961 | 1179 | return -1; |
5663e61a | 1180 | |
29e948de | 1181 | if (GIT_REPO_VERSION < version) { |
cb8a7961 | 1182 | giterr_set(GITERR_REPOSITORY, |
909d5494 | 1183 | "unsupported repository version %d. Only versions up to %d are supported.", |
29e948de | 1184 | version, GIT_REPO_VERSION); |
cb8a7961 VM |
1185 | return -1; |
1186 | } | |
5663e61a | 1187 | |
cb8a7961 | 1188 | return 0; |
5663e61a | 1189 | } |
1190 | ||
662880ca | 1191 | static int repo_init_create_head(const char *git_dir, const char *ref_name) |
e1f8cad0 | 1192 | { |
97769280 | 1193 | git_buf ref_path = GIT_BUF_INIT; |
9462c471 | 1194 | git_filebuf ref = GIT_FILEBUF_INIT; |
662880ca | 1195 | const char *fmt; |
9462c471 | 1196 | |
cb8a7961 | 1197 | if (git_buf_joinpath(&ref_path, git_dir, GIT_HEAD_FILE) < 0 || |
1d3a8aeb | 1198 | git_filebuf_open(&ref, ref_path.ptr, 0, GIT_REFS_FILE_MODE) < 0) |
662880ca RB |
1199 | goto fail; |
1200 | ||
1201 | if (!ref_name) | |
1202 | ref_name = GIT_BRANCH_MASTER; | |
1203 | ||
74a24005 | 1204 | if (git__prefixcmp(ref_name, GIT_REFS_DIR) == 0) |
662880ca RB |
1205 | fmt = "ref: %s\n"; |
1206 | else | |
74a24005 | 1207 | fmt = "ref: " GIT_REFS_HEADS_DIR "%s\n"; |
662880ca RB |
1208 | |
1209 | if (git_filebuf_printf(&ref, fmt, ref_name) < 0 || | |
1d3a8aeb | 1210 | git_filebuf_commit(&ref) < 0) |
662880ca | 1211 | goto fail; |
9462c471 | 1212 | |
97769280 | 1213 | git_buf_free(&ref_path); |
cb8a7961 | 1214 | return 0; |
662880ca RB |
1215 | |
1216 | fail: | |
1217 | git_buf_free(&ref_path); | |
1218 | git_filebuf_cleanup(&ref); | |
1219 | return -1; | |
9462c471 VM |
1220 | } |
1221 | ||
fac66990 | 1222 | static bool is_chmod_supported(const char *file_path) |
1223 | { | |
1224 | struct stat st1, st2; | |
fac66990 | 1225 | |
1226 | if (p_stat(file_path, &st1) < 0) | |
1227 | return false; | |
1228 | ||
1229 | if (p_chmod(file_path, st1.st_mode ^ S_IXUSR) < 0) | |
1230 | return false; | |
1231 | ||
1232 | if (p_stat(file_path, &st2) < 0) | |
1233 | return false; | |
1234 | ||
6b7991e2 | 1235 | return (st1.st_mode != st2.st_mode); |
fac66990 | 1236 | } |
1237 | ||
693b23c0 | 1238 | static bool is_filesystem_case_insensitive(const char *gitdir_path) |
1239 | { | |
1240 | git_buf path = GIT_BUF_INIT; | |
6b7991e2 | 1241 | int is_insensitive = -1; |
693b23c0 | 1242 | |
6b7991e2 RB |
1243 | if (!git_buf_joinpath(&path, gitdir_path, "CoNfIg")) |
1244 | is_insensitive = git_path_exists(git_buf_cstr(&path)); | |
693b23c0 | 1245 | |
693b23c0 | 1246 | git_buf_free(&path); |
6b7991e2 | 1247 | return is_insensitive; |
693b23c0 | 1248 | } |
1249 | ||
ca1b6e54 RB |
1250 | static bool are_symlinks_supported(const char *wd_path) |
1251 | { | |
1252 | git_buf path = GIT_BUF_INIT; | |
1253 | int fd; | |
1254 | struct stat st; | |
6b7991e2 | 1255 | int symlinks_supported = -1; |
ca1b6e54 | 1256 | |
1d3a8aeb | 1257 | if ((fd = git_futils_mktmp(&path, wd_path, 0666)) < 0 || |
ca1b6e54 RB |
1258 | p_close(fd) < 0 || |
1259 | p_unlink(path.ptr) < 0 || | |
1260 | p_symlink("testing", path.ptr) < 0 || | |
1261 | p_lstat(path.ptr, &st) < 0) | |
6b7991e2 | 1262 | symlinks_supported = false; |
ca1b6e54 | 1263 | else |
6b7991e2 | 1264 | symlinks_supported = (S_ISLNK(st.st_mode) != 0); |
ca1b6e54 RB |
1265 | |
1266 | (void)p_unlink(path.ptr); | |
1267 | git_buf_free(&path); | |
1268 | ||
6b7991e2 RB |
1269 | return symlinks_supported; |
1270 | } | |
1271 | ||
270160b9 | 1272 | static int create_empty_file(const char *path, mode_t mode) |
1273 | { | |
1274 | int fd; | |
1275 | ||
1276 | if ((fd = p_creat(path, mode)) < 0) { | |
909d5494 | 1277 | giterr_set(GITERR_OS, "error while creating '%s'", path); |
270160b9 | 1278 | return -1; |
1279 | } | |
1280 | ||
1281 | if (p_close(fd) < 0) { | |
909d5494 | 1282 | giterr_set(GITERR_OS, "error while closing '%s'", path); |
270160b9 | 1283 | return -1; |
1284 | } | |
1285 | ||
1286 | return 0; | |
1287 | } | |
1288 | ||
14997dc5 RB |
1289 | static int repo_local_config( |
1290 | git_config **out, | |
1291 | git_buf *config_dir, | |
1292 | git_repository *repo, | |
1293 | const char *repo_dir) | |
9462c471 | 1294 | { |
ca1b6e54 | 1295 | int error = 0; |
14997dc5 RB |
1296 | git_config *parent; |
1297 | const char *cfg_path; | |
9462c471 | 1298 | |
14997dc5 | 1299 | if (git_buf_joinpath(config_dir, repo_dir, GIT_CONFIG_FILENAME_INREPO) < 0) |
cb8a7961 | 1300 | return -1; |
14997dc5 | 1301 | cfg_path = git_buf_cstr(config_dir); |
9462c471 | 1302 | |
14997dc5 | 1303 | /* make LOCAL config if missing */ |
5173ea92 RB |
1304 | if (!git_path_isfile(cfg_path) && |
1305 | (error = create_empty_file(cfg_path, GIT_CONFIG_FILE_MODE)) < 0) | |
14997dc5 | 1306 | return error; |
270160b9 | 1307 | |
14997dc5 RB |
1308 | /* if no repo, just open that file directly */ |
1309 | if (!repo) | |
1310 | return git_config_open_ondisk(out, cfg_path); | |
1311 | ||
1312 | /* otherwise, open parent config and get that level */ | |
1313 | if ((error = git_repository_config__weakptr(&parent, repo)) < 0) | |
1314 | return error; | |
1315 | ||
1316 | if (git_config_open_level(out, parent, GIT_CONFIG_LEVEL_LOCAL) < 0) { | |
5173ea92 RB |
1317 | giterr_clear(); |
1318 | ||
1319 | if (!(error = git_config_add_file_ondisk( | |
1320 | parent, cfg_path, GIT_CONFIG_LEVEL_LOCAL, false))) | |
14997dc5 | 1321 | error = git_config_open_level(out, parent, GIT_CONFIG_LEVEL_LOCAL); |
cb8a7961 | 1322 | } |
9462c471 | 1323 | |
14997dc5 RB |
1324 | git_config_free(parent); |
1325 | ||
1326 | return error; | |
1327 | } | |
1328 | ||
1329 | static int repo_init_fs_configs( | |
1330 | git_config *cfg, | |
1331 | const char *cfg_path, | |
1332 | const char *repo_dir, | |
1333 | const char *work_dir, | |
1334 | bool update_ignorecase) | |
1335 | { | |
1336 | int error = 0; | |
1337 | ||
1338 | if (!work_dir) | |
1339 | work_dir = repo_dir; | |
1340 | ||
1341 | if ((error = git_config_set_bool( | |
1342 | cfg, "core.filemode", is_chmod_supported(cfg_path))) < 0) | |
1343 | return error; | |
1344 | ||
1345 | if (!are_symlinks_supported(work_dir)) { | |
1346 | if ((error = git_config_set_bool(cfg, "core.symlinks", false)) < 0) | |
1347 | return error; | |
1348 | } else if (git_config_delete_entry(cfg, "core.symlinks") < 0) | |
1349 | giterr_clear(); | |
2c227b8b | 1350 | |
14997dc5 RB |
1351 | if (update_ignorecase) { |
1352 | if (is_filesystem_case_insensitive(repo_dir)) { | |
1353 | if ((error = git_config_set_bool(cfg, "core.ignorecase", true)) < 0) | |
1354 | return error; | |
1355 | } else if (git_config_delete_entry(cfg, "core.ignorecase") < 0) | |
1356 | giterr_clear(); | |
1357 | } | |
662880ca | 1358 | |
af302aca | 1359 | #ifdef GIT_USE_ICONV |
14997dc5 RB |
1360 | if ((error = git_config_set_bool( |
1361 | cfg, "core.precomposeunicode", | |
43a04135 | 1362 | git_path_does_fs_decompose_unicode(work_dir))) < 0) |
14997dc5 | 1363 | return error; |
43a04135 | 1364 | /* on non-iconv platforms, don't even set core.precomposeunicode */ |
6b7991e2 RB |
1365 | #endif |
1366 | ||
14997dc5 RB |
1367 | return 0; |
1368 | } | |
7623b1b6 | 1369 | |
14997dc5 RB |
1370 | static int repo_init_config( |
1371 | const char *repo_dir, | |
1372 | const char *work_dir, | |
1373 | uint32_t flags, | |
1374 | uint32_t mode) | |
1375 | { | |
1376 | int error = 0; | |
bc737620 | 1377 | git_buf cfg_path = GIT_BUF_INIT, worktree_path = GIT_BUF_INIT; |
14997dc5 RB |
1378 | git_config *config = NULL; |
1379 | bool is_bare = ((flags & GIT_REPOSITORY_INIT_BARE) != 0); | |
1380 | bool is_reinit = ((flags & GIT_REPOSITORY_INIT__IS_REINIT) != 0); | |
1381 | ||
1382 | if ((error = repo_local_config(&config, &cfg_path, NULL, repo_dir)) < 0) | |
1383 | goto cleanup; | |
1384 | ||
1385 | if (is_reinit && (error = check_repositoryformatversion(config)) < 0) | |
1386 | goto cleanup; | |
1387 | ||
1388 | #define SET_REPO_CONFIG(TYPE, NAME, VAL) do { \ | |
1389 | if ((error = git_config_set_##TYPE(config, NAME, VAL)) < 0) \ | |
1390 | goto cleanup; } while (0) | |
1391 | ||
1392 | SET_REPO_CONFIG(bool, "core.bare", is_bare); | |
1393 | SET_REPO_CONFIG(int32, "core.repositoryformatversion", GIT_REPO_VERSION); | |
1394 | ||
1395 | if ((error = repo_init_fs_configs( | |
1396 | config, cfg_path.ptr, repo_dir, work_dir, !is_reinit)) < 0) | |
1397 | goto cleanup; | |
5173ea92 | 1398 | |
6b7991e2 RB |
1399 | if (!is_bare) { |
1400 | SET_REPO_CONFIG(bool, "core.logallrefupdates", true); | |
ca1b6e54 | 1401 | |
bc737620 JM |
1402 | if (!(flags & GIT_REPOSITORY_INIT__NATURAL_WD)) { |
1403 | if ((error = git_buf_sets(&worktree_path, work_dir)) < 0) | |
1404 | goto cleanup; | |
1405 | ||
1406 | if ((flags & GIT_REPOSITORY_INIT_RELATIVE_GITLINK)) | |
1407 | if ((error = git_path_make_relative(&worktree_path, repo_dir)) < 0) | |
1408 | goto cleanup; | |
1409 | ||
1410 | SET_REPO_CONFIG(string, "core.worktree", worktree_path.ptr); | |
1411 | } else if (is_reinit) { | |
54b2a37a | 1412 | if (git_config_delete_entry(config, "core.worktree") < 0) |
89cd5708 | 1413 | giterr_clear(); |
ca1b6e54 | 1414 | } |
ca1b6e54 RB |
1415 | } |
1416 | ||
5173ea92 | 1417 | if (mode == GIT_REPOSITORY_INIT_SHARED_GROUP) { |
662880ca RB |
1418 | SET_REPO_CONFIG(int32, "core.sharedrepository", 1); |
1419 | SET_REPO_CONFIG(bool, "receive.denyNonFastforwards", true); | |
ca1b6e54 | 1420 | } |
5173ea92 | 1421 | else if (mode == GIT_REPOSITORY_INIT_SHARED_ALL) { |
662880ca RB |
1422 | SET_REPO_CONFIG(int32, "core.sharedrepository", 2); |
1423 | SET_REPO_CONFIG(bool, "receive.denyNonFastforwards", true); | |
1424 | } | |
9462c471 | 1425 | |
ca1b6e54 | 1426 | cleanup: |
14997dc5 | 1427 | git_buf_free(&cfg_path); |
bc737620 | 1428 | git_buf_free(&worktree_path); |
9462c471 | 1429 | git_config_free(config); |
662880ca | 1430 | |
ca1b6e54 | 1431 | return error; |
d2d6912e | 1432 | } |
e1f8cad0 | 1433 | |
867f7c9b | 1434 | static int repo_reinit_submodule_fs(git_submodule *sm, const char *n, void *p) |
5173ea92 | 1435 | { |
14997dc5 RB |
1436 | git_repository *smrepo = NULL; |
1437 | GIT_UNUSED(n); GIT_UNUSED(p); | |
5173ea92 | 1438 | |
14997dc5 | 1439 | if (git_submodule_open(&smrepo, sm) < 0 || |
867f7c9b | 1440 | git_repository_reinit_filesystem(smrepo, true) < 0) |
14997dc5 RB |
1441 | giterr_clear(); |
1442 | git_repository_free(smrepo); | |
5173ea92 | 1443 | |
14997dc5 RB |
1444 | return 0; |
1445 | } | |
5173ea92 | 1446 | |
867f7c9b | 1447 | int git_repository_reinit_filesystem(git_repository *repo, int recurse) |
14997dc5 RB |
1448 | { |
1449 | int error = 0; | |
1450 | git_buf path = GIT_BUF_INIT; | |
1451 | git_config *config = NULL; | |
1452 | const char *repo_dir = git_repository_path(repo); | |
5173ea92 | 1453 | |
14997dc5 RB |
1454 | if (!(error = repo_local_config(&config, &path, repo, repo_dir))) |
1455 | error = repo_init_fs_configs( | |
1456 | config, path.ptr, repo_dir, git_repository_workdir(repo), true); | |
5173ea92 | 1457 | |
14997dc5 RB |
1458 | git_config_free(config); |
1459 | git_buf_free(&path); | |
5173ea92 | 1460 | |
5173ea92 RB |
1461 | git_repository__cvar_cache_clear(repo); |
1462 | ||
14997dc5 | 1463 | if (!repo->is_bare && recurse) |
867f7c9b | 1464 | (void)git_submodule_foreach(repo, repo_reinit_submodule_fs, NULL); |
14997dc5 | 1465 | |
5173ea92 RB |
1466 | return error; |
1467 | } | |
1468 | ||
dc34da6e | 1469 | static int repo_write_template( |
991a56c7 RB |
1470 | const char *git_dir, |
1471 | bool allow_overwrite, | |
1472 | const char *file, | |
1473 | mode_t mode, | |
662880ca | 1474 | bool hidden, |
991a56c7 | 1475 | const char *content) |
dc34da6e RB |
1476 | { |
1477 | git_buf path = GIT_BUF_INIT; | |
991a56c7 | 1478 | int fd, error = 0, flags; |
dc34da6e RB |
1479 | |
1480 | if (git_buf_joinpath(&path, git_dir, file) < 0) | |
1481 | return -1; | |
1482 | ||
991a56c7 RB |
1483 | if (allow_overwrite) |
1484 | flags = O_WRONLY | O_CREAT | O_TRUNC; | |
1485 | else | |
1486 | flags = O_WRONLY | O_CREAT | O_EXCL; | |
1487 | ||
1488 | fd = p_open(git_buf_cstr(&path), flags, mode); | |
dc34da6e | 1489 | |
db628072 RB |
1490 | if (fd >= 0) { |
1491 | error = p_write(fd, content, strlen(content)); | |
dc34da6e | 1492 | |
db628072 RB |
1493 | p_close(fd); |
1494 | } | |
1495 | else if (errno != EEXIST) | |
1496 | error = fd; | |
dc34da6e | 1497 | |
662880ca RB |
1498 | #ifdef GIT_WIN32 |
1499 | if (!error && hidden) { | |
bdec3363 | 1500 | if (git_win32__set_hidden(path.ptr, true) < 0) |
662880ca RB |
1501 | error = -1; |
1502 | } | |
1503 | #else | |
1504 | GIT_UNUSED(hidden); | |
1505 | #endif | |
1506 | ||
dc34da6e | 1507 | git_buf_free(&path); |
db628072 RB |
1508 | |
1509 | if (error) | |
1510 | giterr_set(GITERR_OS, | |
909d5494 | 1511 | "failed to initialize repository with template '%s'", file); |
db628072 RB |
1512 | |
1513 | return error; | |
dc34da6e RB |
1514 | } |
1515 | ||
662880ca | 1516 | static int repo_write_gitlink( |
bc737620 | 1517 | const char *in_dir, const char *to_repo, bool use_relative_path) |
4b8e27c8 | 1518 | { |
662880ca RB |
1519 | int error; |
1520 | git_buf buf = GIT_BUF_INIT; | |
bc737620 | 1521 | git_buf path_to_repo = GIT_BUF_INIT; |
662880ca RB |
1522 | struct stat st; |
1523 | ||
1524 | git_path_dirname_r(&buf, to_repo); | |
1525 | git_path_to_dir(&buf); | |
1526 | if (git_buf_oom(&buf)) | |
cb8a7961 | 1527 | return -1; |
a67a096a | 1528 | |
662880ca RB |
1529 | /* don't write gitlink to natural workdir */ |
1530 | if (git__suffixcmp(to_repo, "/" DOT_GIT "/") == 0 && | |
1531 | strcmp(in_dir, buf.ptr) == 0) | |
1532 | { | |
1533 | error = GIT_PASSTHROUGH; | |
1534 | goto cleanup; | |
1535 | } | |
1536 | ||
1537 | if ((error = git_buf_joinpath(&buf, in_dir, DOT_GIT)) < 0) | |
1538 | goto cleanup; | |
1539 | ||
1540 | if (!p_stat(buf.ptr, &st) && !S_ISREG(st.st_mode)) { | |
1541 | giterr_set(GITERR_REPOSITORY, | |
909d5494 | 1542 | "cannot overwrite gitlink file into path '%s'", in_dir); |
662880ca RB |
1543 | error = GIT_EEXISTS; |
1544 | goto cleanup; | |
1545 | } | |
1546 | ||
1547 | git_buf_clear(&buf); | |
1548 | ||
bc737620 JM |
1549 | error = git_buf_sets(&path_to_repo, to_repo); |
1550 | ||
1551 | if (!error && use_relative_path) | |
1552 | error = git_path_make_relative(&path_to_repo, in_dir); | |
1553 | ||
1554 | if (!error) | |
1555 | error = git_buf_join(&buf, ' ', GIT_FILE_CONTENT_PREFIX, path_to_repo.ptr); | |
662880ca RB |
1556 | |
1557 | if (!error) | |
18f08264 | 1558 | error = repo_write_template(in_dir, true, DOT_GIT, 0666, true, buf.ptr); |
662880ca RB |
1559 | |
1560 | cleanup: | |
1561 | git_buf_free(&buf); | |
bc737620 | 1562 | git_buf_free(&path_to_repo); |
662880ca RB |
1563 | return error; |
1564 | } | |
1565 | ||
ca1b6e54 RB |
1566 | static mode_t pick_dir_mode(git_repository_init_options *opts) |
1567 | { | |
1568 | if (opts->mode == GIT_REPOSITORY_INIT_SHARED_UMASK) | |
18f08264 | 1569 | return 0777; |
ca1b6e54 RB |
1570 | if (opts->mode == GIT_REPOSITORY_INIT_SHARED_GROUP) |
1571 | return (0775 | S_ISGID); | |
1572 | if (opts->mode == GIT_REPOSITORY_INIT_SHARED_ALL) | |
1573 | return (0777 | S_ISGID); | |
1574 | return opts->mode; | |
1575 | } | |
1576 | ||
662880ca RB |
1577 | #include "repo_template.h" |
1578 | ||
1579 | static int repo_init_structure( | |
1580 | const char *repo_dir, | |
1581 | const char *work_dir, | |
1582 | git_repository_init_options *opts) | |
1583 | { | |
ca1b6e54 | 1584 | int error = 0; |
662880ca | 1585 | repo_template_item *tpl; |
ca1b6e54 RB |
1586 | bool external_tpl = |
1587 | ((opts->flags & GIT_REPOSITORY_INIT_EXTERNAL_TEMPLATE) != 0); | |
1588 | mode_t dmode = pick_dir_mode(opts); | |
bafaf790 | 1589 | bool chmod = opts->mode != GIT_REPOSITORY_INIT_SHARED_UMASK; |
662880ca RB |
1590 | |
1591 | /* Hide the ".git" directory */ | |
17837602 | 1592 | #ifdef GIT_WIN32 |
2eb4edf5 | 1593 | if ((opts->flags & GIT_REPOSITORY_INIT__HAS_DOTGIT) != 0) { |
bdec3363 | 1594 | if (git_win32__set_hidden(repo_dir, true) < 0) { |
c2c81615 | 1595 | giterr_set(GITERR_OS, |
909d5494 | 1596 | "failed to mark Git repository folder as hidden"); |
cb8a7961 VM |
1597 | return -1; |
1598 | } | |
17837602 | 1599 | } |
2eb4edf5 RB |
1600 | #endif |
1601 | ||
1602 | /* Create the .git gitlink if appropriate */ | |
1603 | if ((opts->flags & GIT_REPOSITORY_INIT_BARE) == 0 && | |
1604 | (opts->flags & GIT_REPOSITORY_INIT__NATURAL_WD) == 0) | |
1605 | { | |
bc737620 | 1606 | if (repo_write_gitlink(work_dir, repo_dir, opts->flags & GIT_REPOSITORY_INIT_RELATIVE_GITLINK) < 0) |
cb8a7961 | 1607 | return -1; |
97769280 | 1608 | } |
1c2c7c0d | 1609 | |
ca1b6e54 RB |
1610 | /* Copy external template if requested */ |
1611 | if (external_tpl) { | |
0cd1c3bb L |
1612 | git_config *cfg = NULL; |
1613 | const char *tdir = NULL; | |
1614 | bool default_template = false; | |
a025907e L |
1615 | git_buf template_buf = GIT_BUF_INIT; |
1616 | ||
ca1b6e54 RB |
1617 | if (opts->template_path) |
1618 | tdir = opts->template_path; | |
0cd1c3bb | 1619 | else if ((error = git_config_open_default(&cfg)) >= 0) { |
cc36f424 CMN |
1620 | if (!git_config_get_path(&template_buf, cfg, "init.templatedir")) |
1621 | tdir = template_buf.ptr; | |
ca1b6e54 | 1622 | giterr_clear(); |
0cd1c3bb L |
1623 | } |
1624 | ||
1625 | if (!tdir) { | |
83634d38 | 1626 | if (!(error = git_sysdir_find_template_dir(&template_buf))) |
417472e3 | 1627 | tdir = template_buf.ptr; |
0cd1c3bb | 1628 | default_template = true; |
662880ca | 1629 | } |
ca1b6e54 | 1630 | |
bafaf790 | 1631 | if (tdir) { |
62602547 ET |
1632 | uint32_t cpflags = GIT_CPDIR_COPY_SYMLINKS | |
1633 | GIT_CPDIR_SIMPLE_TO_MODE | | |
1634 | GIT_CPDIR_COPY_DOTFILES; | |
517341c5 EL |
1635 | if (opts->mode != GIT_REPOSITORY_INIT_SHARED_UMASK) |
1636 | cpflags |= GIT_CPDIR_CHMOD_DIRS; | |
1637 | error = git_futils_cp_r(tdir, repo_dir, cpflags, dmode); | |
bafaf790 | 1638 | } |
ca1b6e54 | 1639 | |
0cd1c3bb L |
1640 | git_buf_free(&template_buf); |
1641 | git_config_free(cfg); | |
1ca3e49f | 1642 | |
ca1b6e54 | 1643 | if (error < 0) { |
0cd1c3bb | 1644 | if (!default_template) |
ca1b6e54 RB |
1645 | return error; |
1646 | ||
1647 | /* if template was default, ignore error and use internal */ | |
1648 | giterr_clear(); | |
1649 | external_tpl = false; | |
b7b1acfd | 1650 | error = 0; |
ca1b6e54 RB |
1651 | } |
1652 | } | |
1653 | ||
1654 | /* Copy internal template | |
1655 | * - always ensure existence of dirs | |
1656 | * - only create files if no external template was specified | |
1657 | */ | |
1658 | for (tpl = repo_template; !error && tpl->path; ++tpl) { | |
bafaf790 | 1659 | if (!tpl->content) { |
517341c5 EL |
1660 | uint32_t mkdir_flags = GIT_MKDIR_PATH; |
1661 | if (chmod) | |
1662 | mkdir_flags |= GIT_MKDIR_CHMOD; | |
1663 | ||
ac2fba0e ET |
1664 | error = git_futils_mkdir_relative( |
1665 | tpl->path, repo_dir, dmode, mkdir_flags, NULL); | |
bafaf790 | 1666 | } |
ca1b6e54 | 1667 | else if (!external_tpl) { |
662880ca RB |
1668 | const char *content = tpl->content; |
1669 | ||
1670 | if (opts->description && strcmp(tpl->path, GIT_DESC_FILE) == 0) | |
1671 | content = opts->description; | |
1672 | ||
ca1b6e54 RB |
1673 | error = repo_write_template( |
1674 | repo_dir, false, tpl->path, tpl->mode, false, content); | |
662880ca | 1675 | } |
dc34da6e RB |
1676 | } |
1677 | ||
ca1b6e54 | 1678 | return error; |
4b8e27c8 | 1679 | } |
1680 | ||
3c42e4ef RB |
1681 | static int mkdir_parent(git_buf *buf, uint32_t mode, bool skip2) |
1682 | { | |
0d1b094b RB |
1683 | /* When making parent directories during repository initialization |
1684 | * don't try to set gid or grant world write access | |
1685 | */ | |
3c42e4ef | 1686 | return git_futils_mkdir( |
ac2fba0e | 1687 | buf->ptr, mode & ~(S_ISGID | 0002), |
3c42e4ef RB |
1688 | GIT_MKDIR_PATH | GIT_MKDIR_VERIFY_DIR | |
1689 | (skip2 ? GIT_MKDIR_SKIP_LAST2 : GIT_MKDIR_SKIP_LAST)); | |
1690 | } | |
1691 | ||
662880ca RB |
1692 | static int repo_init_directories( |
1693 | git_buf *repo_path, | |
1694 | git_buf *wd_path, | |
1695 | const char *given_repo, | |
1696 | git_repository_init_options *opts) | |
4b8e27c8 | 1697 | { |
662880ca | 1698 | int error = 0; |
3c42e4ef | 1699 | bool is_bare, add_dotgit, has_dotgit, natural_wd; |
ca1b6e54 | 1700 | mode_t dirmode; |
932d1baf | 1701 | |
3c42e4ef RB |
1702 | /* There are three possible rules for what we are allowed to create: |
1703 | * - MKPATH means anything we need | |
1704 | * - MKDIR means just the .git directory and its parent and the workdir | |
1705 | * - Neither means only the .git directory can be created | |
1706 | * | |
1707 | * There are 5 "segments" of path that we might need to deal with: | |
1708 | * 1. The .git directory | |
1709 | * 2. The parent of the .git directory | |
1710 | * 3. Everything above the parent of the .git directory | |
1711 | * 4. The working directory (often the same as #2) | |
1712 | * 5. Everything above the working directory (often the same as #3) | |
1713 | * | |
1714 | * For all directories created, we start with the init_mode value for | |
1715 | * permissions and then strip off bits in some cases: | |
1716 | * | |
1717 | * For MKPATH, we create #3 (and #5) paths without S_ISGID or S_IWOTH | |
1718 | * For MKPATH and MKDIR, we create #2 (and #4) without S_ISGID | |
1719 | * For all rules, we create #1 using the untouched init_mode | |
1720 | */ | |
1721 | ||
662880ca | 1722 | /* set up repo path */ |
4b8e27c8 | 1723 | |
3c42e4ef RB |
1724 | is_bare = ((opts->flags & GIT_REPOSITORY_INIT_BARE) != 0); |
1725 | ||
662880ca RB |
1726 | add_dotgit = |
1727 | (opts->flags & GIT_REPOSITORY_INIT_NO_DOTGIT_DIR) == 0 && | |
3c42e4ef | 1728 | !is_bare && |
662880ca RB |
1729 | git__suffixcmp(given_repo, "/" DOT_GIT) != 0 && |
1730 | git__suffixcmp(given_repo, "/" GIT_DIR) != 0; | |
4b8e27c8 | 1731 | |
662880ca RB |
1732 | if (git_buf_joinpath(repo_path, given_repo, add_dotgit ? GIT_DIR : "") < 0) |
1733 | return -1; | |
693b23c0 | 1734 | |
662880ca RB |
1735 | has_dotgit = (git__suffixcmp(repo_path->ptr, "/" GIT_DIR) == 0); |
1736 | if (has_dotgit) | |
1737 | opts->flags |= GIT_REPOSITORY_INIT__HAS_DOTGIT; | |
1738 | ||
1739 | /* set up workdir path */ | |
1740 | ||
3c42e4ef | 1741 | if (!is_bare) { |
662880ca | 1742 | if (opts->workdir_path) { |
ca1b6e54 RB |
1743 | if (git_path_join_unrooted( |
1744 | wd_path, opts->workdir_path, repo_path->ptr, NULL) < 0) | |
1745 | return -1; | |
662880ca RB |
1746 | } else if (has_dotgit) { |
1747 | if (git_path_dirname_r(wd_path, repo_path->ptr) < 0) | |
1748 | return -1; | |
1749 | } else { | |
909d5494 | 1750 | giterr_set(GITERR_REPOSITORY, "cannot pick working directory" |
662880ca RB |
1751 | " for non-bare repository that isn't a '.git' directory"); |
1752 | return -1; | |
1753 | } | |
693b23c0 | 1754 | |
662880ca RB |
1755 | if (git_path_to_dir(wd_path) < 0) |
1756 | return -1; | |
1757 | } else { | |
1758 | git_buf_clear(wd_path); | |
1759 | } | |
1760 | ||
1761 | natural_wd = | |
1762 | has_dotgit && | |
1763 | wd_path->size > 0 && | |
1764 | wd_path->size + strlen(GIT_DIR) == repo_path->size && | |
1765 | memcmp(repo_path->ptr, wd_path->ptr, wd_path->size) == 0; | |
1766 | if (natural_wd) | |
1767 | opts->flags |= GIT_REPOSITORY_INIT__NATURAL_WD; | |
1768 | ||
662880ca RB |
1769 | /* create directories as needed / requested */ |
1770 | ||
ca1b6e54 | 1771 | dirmode = pick_dir_mode(opts); |
662880ca | 1772 | |
3c42e4ef RB |
1773 | if ((opts->flags & GIT_REPOSITORY_INIT_MKPATH) != 0) { |
1774 | /* create path #5 */ | |
1775 | if (wd_path->size > 0 && | |
1776 | (error = mkdir_parent(wd_path, dirmode, false)) < 0) | |
1777 | return error; | |
1778 | ||
1779 | /* create path #3 (if not the same as #5) */ | |
1780 | if (!natural_wd && | |
1781 | (error = mkdir_parent(repo_path, dirmode, has_dotgit)) < 0) | |
1782 | return error; | |
1783 | } | |
1784 | ||
1785 | if ((opts->flags & GIT_REPOSITORY_INIT_MKDIR) != 0 || | |
1786 | (opts->flags & GIT_REPOSITORY_INIT_MKPATH) != 0) | |
1787 | { | |
1788 | /* create path #4 */ | |
1789 | if (wd_path->size > 0 && | |
1790 | (error = git_futils_mkdir( | |
ac2fba0e | 1791 | wd_path->ptr, dirmode & ~S_ISGID, |
3c42e4ef RB |
1792 | GIT_MKDIR_VERIFY_DIR)) < 0) |
1793 | return error; | |
1794 | ||
1795 | /* create path #2 (if not the same as #4) */ | |
1796 | if (!natural_wd && | |
1797 | (error = git_futils_mkdir( | |
ac2fba0e | 1798 | repo_path->ptr, dirmode & ~S_ISGID, |
3c42e4ef RB |
1799 | GIT_MKDIR_VERIFY_DIR | GIT_MKDIR_SKIP_LAST)) < 0) |
1800 | return error; | |
662880ca | 1801 | } |
662880ca | 1802 | |
ca1b6e54 RB |
1803 | if ((opts->flags & GIT_REPOSITORY_INIT_MKDIR) != 0 || |
1804 | (opts->flags & GIT_REPOSITORY_INIT_MKPATH) != 0 || | |
1805 | has_dotgit) | |
1806 | { | |
3c42e4ef | 1807 | /* create path #1 */ |
ac2fba0e | 1808 | error = git_futils_mkdir(repo_path->ptr, dirmode, |
18f08264 | 1809 | GIT_MKDIR_VERIFY_DIR | ((dirmode & S_ISGID) ? GIT_MKDIR_CHMOD : 0)); |
662880ca | 1810 | } |
ca1b6e54 | 1811 | |
662880ca RB |
1812 | /* prettify both directories now that they are created */ |
1813 | ||
1814 | if (!error) { | |
1815 | error = git_path_prettify_dir(repo_path, repo_path->ptr, NULL); | |
1816 | ||
1817 | if (!error && wd_path->size > 0) | |
1818 | error = git_path_prettify_dir(wd_path, wd_path->ptr, NULL); | |
1819 | } | |
1820 | ||
1821 | return error; | |
1822 | } | |
1823 | ||
1824 | static int repo_init_create_origin(git_repository *repo, const char *url) | |
1825 | { | |
1826 | int error; | |
1827 | git_remote *remote; | |
1828 | ||
29f27599 | 1829 | if (!(error = git_remote_create(&remote, repo, GIT_REMOTE_ORIGIN, url))) { |
662880ca RB |
1830 | git_remote_free(remote); |
1831 | } | |
1832 | ||
1833 | return error; | |
1834 | } | |
1835 | ||
1836 | int git_repository_init( | |
1837 | git_repository **repo_out, const char *path, unsigned is_bare) | |
1838 | { | |
b4d13652 | 1839 | git_repository_init_options opts = GIT_REPOSITORY_INIT_OPTIONS_INIT; |
662880ca | 1840 | |
662880ca RB |
1841 | opts.flags = GIT_REPOSITORY_INIT_MKPATH; /* don't love this default */ |
1842 | if (is_bare) | |
1843 | opts.flags |= GIT_REPOSITORY_INIT_BARE; | |
1844 | ||
1845 | return git_repository_init_ext(repo_out, path, &opts); | |
1846 | } | |
1847 | ||
1848 | int git_repository_init_ext( | |
c9fc4a6f | 1849 | git_repository **out, |
662880ca RB |
1850 | const char *given_repo, |
1851 | git_repository_init_options *opts) | |
1852 | { | |
1853 | int error; | |
1854 | git_buf repo_path = GIT_BUF_INIT, wd_path = GIT_BUF_INIT; | |
466d2e7a | 1855 | const char *wd; |
662880ca | 1856 | |
c9fc4a6f | 1857 | assert(out && given_repo && opts); |
662880ca | 1858 | |
c7231c45 | 1859 | GITERR_CHECK_VERSION(opts, GIT_REPOSITORY_INIT_OPTIONS_VERSION, "git_repository_init_options"); |
b4d13652 | 1860 | |
662880ca RB |
1861 | error = repo_init_directories(&repo_path, &wd_path, given_repo, opts); |
1862 | if (error < 0) | |
693b23c0 | 1863 | goto cleanup; |
662880ca | 1864 | |
466d2e7a | 1865 | wd = (opts->flags & GIT_REPOSITORY_INIT_BARE) ? NULL : git_buf_cstr(&wd_path); |
662880ca RB |
1866 | if (valid_repository_path(&repo_path)) { |
1867 | ||
1868 | if ((opts->flags & GIT_REPOSITORY_INIT_NO_REINIT) != 0) { | |
1869 | giterr_set(GITERR_REPOSITORY, | |
909d5494 | 1870 | "attempt to reinitialize '%s'", given_repo); |
662880ca RB |
1871 | error = GIT_EEXISTS; |
1872 | goto cleanup; | |
1873 | } | |
1874 | ||
1875 | opts->flags |= GIT_REPOSITORY_INIT__IS_REINIT; | |
1876 | ||
ca1b6e54 | 1877 | error = repo_init_config( |
466d2e7a | 1878 | repo_path.ptr, wd, opts->flags, opts->mode); |
662880ca RB |
1879 | |
1880 | /* TODO: reinitialize the templates */ | |
1881 | } | |
1882 | else { | |
1883 | if (!(error = repo_init_structure( | |
466d2e7a | 1884 | repo_path.ptr, wd, opts)) && |
ca1b6e54 | 1885 | !(error = repo_init_config( |
466d2e7a | 1886 | repo_path.ptr, wd, opts->flags, opts->mode))) |
662880ca | 1887 | error = repo_init_create_head( |
5173ea92 | 1888 | repo_path.ptr, opts->initial_head); |
cb8a7961 | 1889 | } |
662880ca RB |
1890 | if (error < 0) |
1891 | goto cleanup; | |
1892 | ||
5173ea92 | 1893 | error = git_repository_open(out, repo_path.ptr); |
d2d6912e | 1894 | |
662880ca | 1895 | if (!error && opts->origin_url) |
c9fc4a6f | 1896 | error = repo_init_create_origin(*out, opts->origin_url); |
693b23c0 | 1897 | |
1898 | cleanup: | |
662880ca RB |
1899 | git_buf_free(&repo_path); |
1900 | git_buf_free(&wd_path); | |
1901 | ||
1902 | return error; | |
40c44d2f | 1903 | } |
35502d2e | 1904 | |
c682886e | 1905 | int git_repository_head_detached(git_repository *repo) |
35502d2e CMN |
1906 | { |
1907 | git_reference *ref; | |
9462c471 | 1908 | git_odb *odb = NULL; |
cb8a7961 | 1909 | int exists; |
9462c471 | 1910 | |
cb8a7961 VM |
1911 | if (git_repository_odb__weakptr(&odb, repo) < 0) |
1912 | return -1; | |
35502d2e | 1913 | |
cb8a7961 VM |
1914 | if (git_reference_lookup(&ref, repo, GIT_HEAD_FILE) < 0) |
1915 | return -1; | |
35502d2e | 1916 | |
75abd2b9 MS |
1917 | if (git_reference_type(ref) == GIT_REF_SYMBOLIC) { |
1918 | git_reference_free(ref); | |
35502d2e | 1919 | return 0; |
75abd2b9 | 1920 | } |
35502d2e | 1921 | |
2508cc66 | 1922 | exists = git_odb_exists(odb, git_reference_target(ref)); |
75abd2b9 MS |
1923 | |
1924 | git_reference_free(ref); | |
cb8a7961 | 1925 | return exists; |
35502d2e CMN |
1926 | } |
1927 | ||
3601c4bf | 1928 | int git_repository_head(git_reference **head_out, git_repository *repo) |
35502d2e | 1929 | { |
b1a3a70e | 1930 | git_reference *head; |
8b05bea8 | 1931 | int error; |
1932 | ||
b1a3a70e | 1933 | if ((error = git_reference_lookup(&head, repo, GIT_HEAD_FILE)) < 0) |
1934 | return error; | |
1935 | ||
1936 | if (git_reference_type(head) == GIT_REF_OID) { | |
1937 | *head_out = head; | |
1938 | return 0; | |
1939 | } | |
1940 | ||
2508cc66 | 1941 | error = git_reference_lookup_resolved(head_out, repo, git_reference_symbolic_target(head), -1); |
b1a3a70e | 1942 | git_reference_free(head); |
8b05bea8 | 1943 | |
605da51a | 1944 | return error == GIT_ENOTFOUND ? GIT_EUNBORNBRANCH : error; |
3601c4bf | 1945 | } |
1946 | ||
605da51a | 1947 | int git_repository_head_unborn(git_repository *repo) |
3601c4bf | 1948 | { |
cb8a7961 | 1949 | git_reference *ref = NULL; |
3601c4bf | 1950 | int error; |
1951 | ||
1952 | error = git_repository_head(&ref, repo); | |
cb8a7961 | 1953 | git_reference_free(ref); |
35502d2e | 1954 | |
7c9bf891 ET |
1955 | if (error == GIT_EUNBORNBRANCH) { |
1956 | giterr_clear(); | |
cb8a7961 | 1957 | return 1; |
7c9bf891 | 1958 | } |
75abd2b9 | 1959 | |
cb8a7961 VM |
1960 | if (error < 0) |
1961 | return -1; | |
1962 | ||
1963 | return 0; | |
35502d2e | 1964 | } |
e0011be3 | 1965 | |
0066955d | 1966 | static int at_least_one_cb(const char *refname, void *payload) |
41233c40 | 1967 | { |
6091457e | 1968 | GIT_UNUSED(refname); |
1969 | GIT_UNUSED(payload); | |
25e0b157 | 1970 | return GIT_PASSTHROUGH; |
6091457e | 1971 | } |
41233c40 | 1972 | |
6091457e | 1973 | static int repo_contains_no_reference(git_repository *repo) |
1974 | { | |
ec24e542 | 1975 | int error = git_reference_foreach_name(repo, &at_least_one_cb, NULL); |
0f489fb2 | 1976 | |
25e0b157 | 1977 | if (error == GIT_PASSTHROUGH) |
0f489fb2 | 1978 | return 0; |
ec24e542 | 1979 | |
e976b56d RB |
1980 | if (!error) |
1981 | return 1; | |
ec24e542 | 1982 | |
e976b56d | 1983 | return error; |
6091457e | 1984 | } |
75abd2b9 | 1985 | |
6091457e | 1986 | int git_repository_is_empty(git_repository *repo) |
1987 | { | |
1988 | git_reference *head = NULL; | |
42181836 | 1989 | int is_empty = 0; |
cb8a7961 | 1990 | |
6091457e | 1991 | if (git_reference_lookup(&head, repo, GIT_HEAD_FILE) < 0) |
cb8a7961 VM |
1992 | return -1; |
1993 | ||
42181836 RB |
1994 | if (git_reference_type(head) == GIT_REF_SYMBOLIC) |
1995 | is_empty = | |
1996 | (strcmp(git_reference_symbolic_target(head), | |
1997 | GIT_REFS_HEADS_DIR "master") == 0) && | |
1998 | repo_contains_no_reference(repo); | |
6091457e | 1999 | |
6091457e | 2000 | git_reference_free(head); |
42181836 RB |
2001 | |
2002 | return is_empty; | |
41233c40 VM |
2003 | } |
2004 | ||
9462c471 | 2005 | const char *git_repository_path(git_repository *repo) |
4a34b3a9 | 2006 | { |
2007 | assert(repo); | |
9462c471 VM |
2008 | return repo->path_repository; |
2009 | } | |
4a34b3a9 | 2010 | |
9462c471 VM |
2011 | const char *git_repository_workdir(git_repository *repo) |
2012 | { | |
2013 | assert(repo); | |
602ee38b | 2014 | |
9462c471 VM |
2015 | if (repo->is_bare) |
2016 | return NULL; | |
602ee38b | 2017 | |
9462c471 VM |
2018 | return repo->workdir; |
2019 | } | |
602ee38b | 2020 | |
991a56c7 RB |
2021 | int git_repository_set_workdir( |
2022 | git_repository *repo, const char *workdir, int update_gitlink) | |
9462c471 | 2023 | { |
991a56c7 | 2024 | int error = 0; |
b78fb64d | 2025 | git_buf path = GIT_BUF_INIT; |
2026 | ||
9462c471 | 2027 | assert(repo && workdir); |
602ee38b | 2028 | |
b78fb64d | 2029 | if (git_path_prettify_dir(&path, workdir, NULL) < 0) |
2030 | return -1; | |
9462c471 | 2031 | |
991a56c7 RB |
2032 | if (repo->workdir && strcmp(repo->workdir, path.ptr) == 0) |
2033 | return 0; | |
9462c471 | 2034 | |
991a56c7 RB |
2035 | if (update_gitlink) { |
2036 | git_config *config; | |
2037 | ||
2038 | if (git_repository_config__weakptr(&config, repo) < 0) | |
2039 | return -1; | |
2040 | ||
bc737620 | 2041 | error = repo_write_gitlink(path.ptr, git_repository_path(repo), false); |
991a56c7 RB |
2042 | |
2043 | /* passthrough error means gitlink is unnecessary */ | |
2044 | if (error == GIT_PASSTHROUGH) | |
54b2a37a | 2045 | error = git_config_delete_entry(config, "core.worktree"); |
991a56c7 RB |
2046 | else if (!error) |
2047 | error = git_config_set_string(config, "core.worktree", path.ptr); | |
2048 | ||
2049 | if (!error) | |
2050 | error = git_config_set_bool(config, "core.bare", false); | |
2051 | } | |
2052 | ||
2053 | if (!error) { | |
2054 | char *old_workdir = repo->workdir; | |
2055 | ||
2056 | repo->workdir = git_buf_detach(&path); | |
2057 | repo->is_bare = 0; | |
2058 | ||
2059 | git__free(old_workdir); | |
2060 | } | |
2061 | ||
2062 | return error; | |
4a34b3a9 | 2063 | } |
fa9bcd81 | 2064 | |
2065 | int git_repository_is_bare(git_repository *repo) | |
2066 | { | |
2067 | assert(repo); | |
2068 | return repo->is_bare; | |
2069 | } | |
f917481e | 2070 | |
1fbeb2f0 RB |
2071 | int git_repository_set_bare(git_repository *repo) |
2072 | { | |
2073 | int error; | |
2074 | git_config *config; | |
2075 | ||
2076 | assert(repo); | |
2077 | ||
2078 | if (repo->is_bare) | |
2079 | return 0; | |
2080 | ||
74240afb T |
2081 | if ((error = git_repository_config__weakptr(&config, repo)) < 0) |
2082 | return error; | |
2083 | ||
b2a7bcdb | 2084 | if ((error = git_config_set_bool(config, "core.bare", true)) < 0) |
74240afb | 2085 | return error; |
1fbeb2f0 | 2086 | |
74240afb T |
2087 | if ((error = git_config__update_entry(config, "core.worktree", NULL, true, true)) < 0) |
2088 | return error; | |
1fbeb2f0 RB |
2089 | |
2090 | git__free(repo->workdir); | |
2091 | repo->workdir = NULL; | |
1fbeb2f0 RB |
2092 | repo->is_bare = 1; |
2093 | ||
74240afb | 2094 | return 0; |
1fbeb2f0 RB |
2095 | } |
2096 | ||
f917481e RB |
2097 | int git_repository_head_tree(git_tree **tree, git_repository *repo) |
2098 | { | |
5cec896a | 2099 | git_reference *head; |
2100 | git_object *obj; | |
2101 | int error; | |
f917481e | 2102 | |
5cec896a | 2103 | if ((error = git_repository_head(&head, repo)) < 0) |
2104 | return error; | |
f917481e | 2105 | |
5cec896a | 2106 | if ((error = git_reference_peel(&obj, head, GIT_OBJ_TREE)) < 0) |
2107 | goto cleanup; | |
f917481e RB |
2108 | |
2109 | *tree = (git_tree *)obj; | |
5cec896a | 2110 | |
2111 | cleanup: | |
2112 | git_reference_free(head); | |
2113 | return error; | |
f917481e | 2114 | } |
074841ec | 2115 | |
867a36f3 ET |
2116 | int git_repository__set_orig_head(git_repository *repo, const git_oid *orig_head) |
2117 | { | |
2118 | git_filebuf file = GIT_FILEBUF_INIT; | |
2119 | git_buf file_path = GIT_BUF_INIT; | |
2120 | char orig_head_str[GIT_OID_HEXSZ]; | |
2121 | int error = 0; | |
2122 | ||
2123 | git_oid_fmt(orig_head_str, orig_head); | |
2124 | ||
2125 | if ((error = git_buf_joinpath(&file_path, repo->path_repository, GIT_ORIG_HEAD_FILE)) == 0 && | |
2126 | (error = git_filebuf_open(&file, file_path.ptr, GIT_FILEBUF_FORCE, GIT_MERGE_FILE_MODE)) == 0 && | |
2127 | (error = git_filebuf_printf(&file, "%.*s\n", GIT_OID_HEXSZ, orig_head_str)) == 0) | |
2128 | error = git_filebuf_commit(&file); | |
2129 | ||
2130 | if (error < 0) | |
2131 | git_filebuf_cleanup(&file); | |
2132 | ||
2133 | git_buf_free(&file_path); | |
2134 | ||
2135 | return error; | |
2136 | } | |
2137 | ||
3158e2fe | 2138 | int git_repository_message(git_buf *out, git_repository *repo) |
074841ec | 2139 | { |
7a3bd1e7 | 2140 | git_buf path = GIT_BUF_INIT; |
0ac349a9 | 2141 | struct stat st; |
0ac349a9 | 2142 | int error; |
074841ec | 2143 | |
7a3bd1e7 | 2144 | git_buf_sanitize(out); |
3d1c9f61 | 2145 | |
632d8b23 | 2146 | if (git_buf_joinpath(&path, repo->path_repository, GIT_MERGE_MSG_FILE) < 0) |
0ac349a9 | 2147 | return -1; |
074841ec | 2148 | |
e9ca852e | 2149 | if ((error = p_stat(git_buf_cstr(&path), &st)) < 0) { |
074841ec CMN |
2150 | if (errno == ENOENT) |
2151 | error = GIT_ENOTFOUND; | |
909d5494 | 2152 | giterr_set(GITERR_OS, "could not access message file"); |
3158e2fe RB |
2153 | } else { |
2154 | error = git_futils_readbuffer(out, git_buf_cstr(&path)); | |
0ac349a9 | 2155 | } |
074841ec | 2156 | |
7a3bd1e7 | 2157 | git_buf_free(&path); |
e9ca852e RB |
2158 | |
2159 | return error; | |
074841ec CMN |
2160 | } |
2161 | ||
2162 | int git_repository_message_remove(git_repository *repo) | |
2163 | { | |
0ac349a9 VM |
2164 | git_buf path = GIT_BUF_INIT; |
2165 | int error; | |
074841ec | 2166 | |
632d8b23 | 2167 | if (git_buf_joinpath(&path, repo->path_repository, GIT_MERGE_MSG_FILE) < 0) |
0ac349a9 | 2168 | return -1; |
074841ec CMN |
2169 | |
2170 | error = p_unlink(git_buf_cstr(&path)); | |
2171 | git_buf_free(&path); | |
2172 | ||
2173 | return error; | |
2174 | } | |
47bfa0be RB |
2175 | |
2176 | int git_repository_hashfile( | |
0cb16fe9 L |
2177 | git_oid *out, |
2178 | git_repository *repo, | |
2179 | const char *path, | |
2180 | git_otype type, | |
2181 | const char *as_path) | |
47bfa0be RB |
2182 | { |
2183 | int error; | |
85d54812 | 2184 | git_filter_list *fl = NULL; |
b1127a30 | 2185 | git_file fd = -1; |
47bfa0be RB |
2186 | git_off_t len; |
2187 | git_buf full_path = GIT_BUF_INIT; | |
2188 | ||
a13fb55a RB |
2189 | assert(out && path && repo); /* as_path can be NULL */ |
2190 | ||
2191 | /* At some point, it would be nice if repo could be NULL to just | |
2192 | * apply filter rules defined in system and global files, but for | |
2193 | * now that is not possible because git_filters_load() needs it. | |
2194 | */ | |
47bfa0be RB |
2195 | |
2196 | error = git_path_join_unrooted( | |
526182d2 | 2197 | &full_path, path, git_repository_workdir(repo), NULL); |
47bfa0be RB |
2198 | if (error < 0) |
2199 | return error; | |
2200 | ||
2201 | if (!as_path) | |
2202 | as_path = path; | |
2203 | ||
2204 | /* passing empty string for "as_path" indicated --no-filters */ | |
2205 | if (strlen(as_path) > 0) { | |
4b11f25a | 2206 | error = git_filter_list_load( |
5269008c | 2207 | &fl, repo, NULL, as_path, |
795eaccd | 2208 | GIT_FILTER_TO_ODB, GIT_FILTER_DEFAULT); |
47bfa0be RB |
2209 | if (error < 0) |
2210 | return error; | |
2211 | } else { | |
2212 | error = 0; | |
2213 | } | |
2214 | ||
2215 | /* at this point, error is a count of the number of loaded filters */ | |
2216 | ||
2217 | fd = git_futils_open_ro(full_path.ptr); | |
2218 | if (fd < 0) { | |
2219 | error = fd; | |
2220 | goto cleanup; | |
2221 | } | |
2222 | ||
2223 | len = git_futils_filesize(fd); | |
2224 | if (len < 0) { | |
75050223 | 2225 | error = (int)len; |
47bfa0be RB |
2226 | goto cleanup; |
2227 | } | |
2228 | ||
2229 | if (!git__is_sizet(len)) { | |
909d5494 | 2230 | giterr_set(GITERR_OS, "file size overflow for 32-bit systems"); |
47bfa0be RB |
2231 | error = -1; |
2232 | goto cleanup; | |
2233 | } | |
2234 | ||
85d54812 | 2235 | error = git_odb__hashfd_filtered(out, fd, (size_t)len, type, fl); |
47bfa0be RB |
2236 | |
2237 | cleanup: | |
b1127a30 SS |
2238 | if (fd >= 0) |
2239 | p_close(fd); | |
85d54812 | 2240 | git_filter_list_free(fl); |
47bfa0be RB |
2241 | git_buf_free(&full_path); |
2242 | ||
2243 | return error; | |
2244 | } | |
2245 | ||
4e498646 | 2246 | static int checkout_message(git_buf *out, git_reference *old, const char *new) |
44af67a8 | 2247 | { |
4e498646 CMN |
2248 | git_buf_puts(out, "checkout: moving from "); |
2249 | ||
2250 | if (git_reference_type(old) == GIT_REF_SYMBOLIC) | |
2251 | git_buf_puts(out, git_reference__shorthand(git_reference_symbolic_target(old))); | |
2252 | else | |
2253 | git_buf_puts(out, git_oid_tostr_s(git_reference_target(old))); | |
2254 | ||
2255 | git_buf_puts(out, " to "); | |
2256 | ||
2257 | if (git_reference__is_branch(new)) | |
2258 | git_buf_puts(out, git_reference__shorthand(new)); | |
2259 | else | |
2260 | git_buf_puts(out, new); | |
2261 | ||
2262 | if (git_buf_oom(out)) | |
2263 | return -1; | |
2264 | ||
2265 | return 0; | |
44af67a8 | 2266 | } |
2267 | ||
2268 | int git_repository_set_head( | |
2269 | git_repository* repo, | |
4e498646 | 2270 | const char* refname) |
44af67a8 | 2271 | { |
4e498646 CMN |
2272 | git_reference *ref = NULL, *current = NULL, *new_head = NULL; |
2273 | git_buf log_message = GIT_BUF_INIT; | |
44af67a8 | 2274 | int error; |
2275 | ||
2276 | assert(repo && refname); | |
2277 | ||
4e498646 CMN |
2278 | if ((error = git_reference_lookup(¤t, repo, GIT_HEAD_FILE)) < 0) |
2279 | return error; | |
2280 | ||
2281 | if ((error = checkout_message(&log_message, current, refname)) < 0) | |
2282 | goto cleanup; | |
2283 | ||
44af67a8 | 2284 | error = git_reference_lookup(&ref, repo, refname); |
2285 | if (error < 0 && error != GIT_ENOTFOUND) | |
4e498646 | 2286 | goto cleanup; |
44af67a8 | 2287 | |
2288 | if (!error) { | |
94f263f5 BS |
2289 | if (git_reference_is_branch(ref)) { |
2290 | error = git_reference_symbolic_create(&new_head, repo, GIT_HEAD_FILE, | |
4e498646 | 2291 | git_reference_name(ref), true, git_buf_cstr(&log_message)); |
94f263f5 | 2292 | } else { |
4e498646 | 2293 | error = git_repository_set_head_detached(repo, git_reference_target(ref)); |
94f263f5 | 2294 | } |
4e498646 | 2295 | } else if (git_reference__is_branch(refname)) { |
94f263f5 | 2296 | error = git_reference_symbolic_create(&new_head, repo, GIT_HEAD_FILE, refname, |
4e498646 | 2297 | true, git_buf_cstr(&log_message)); |
94f263f5 | 2298 | } |
44af67a8 | 2299 | |
4e498646 | 2300 | cleanup: |
fe21d708 | 2301 | git_buf_free(&log_message); |
4e498646 | 2302 | git_reference_free(current); |
44af67a8 | 2303 | git_reference_free(ref); |
2304 | git_reference_free(new_head); | |
2305 | return error; | |
2306 | } | |
2307 | ||
62d38a1d | 2308 | static int detach(git_repository *repo, const git_oid *id, const char *from) |
4ebe38bd | 2309 | { |
2310 | int error; | |
4e498646 CMN |
2311 | git_buf log_message = GIT_BUF_INIT; |
2312 | git_object *object = NULL, *peeled = NULL; | |
2313 | git_reference *new_head = NULL, *current = NULL; | |
4ebe38bd | 2314 | |
62d38a1d | 2315 | assert(repo && id); |
4ebe38bd | 2316 | |
4e498646 | 2317 | if ((error = git_reference_lookup(¤t, repo, GIT_HEAD_FILE)) < 0) |
4ebe38bd | 2318 | return error; |
2319 | ||
62d38a1d | 2320 | if ((error = git_object_lookup(&object, repo, id, GIT_OBJ_ANY)) < 0) |
4e498646 CMN |
2321 | goto cleanup; |
2322 | ||
4ebe38bd | 2323 | if ((error = git_object_peel(&peeled, object, GIT_OBJ_COMMIT)) < 0) |
2324 | goto cleanup; | |
2325 | ||
62d38a1d CMN |
2326 | if (from == NULL) |
2327 | from = git_oid_tostr_s(git_object_id(peeled)); | |
2328 | ||
2329 | if ((error = checkout_message(&log_message, current, from)) < 0) | |
4e498646 CMN |
2330 | goto cleanup; |
2331 | ||
2332 | error = git_reference_create(&new_head, repo, GIT_HEAD_FILE, git_object_id(peeled), true, git_buf_cstr(&log_message)); | |
4ebe38bd | 2333 | |
2334 | cleanup: | |
fe21d708 | 2335 | git_buf_free(&log_message); |
4ebe38bd | 2336 | git_object_free(object); |
2337 | git_object_free(peeled); | |
4e498646 | 2338 | git_reference_free(current); |
4ebe38bd | 2339 | git_reference_free(new_head); |
2340 | return error; | |
2341 | } | |
2342 | ||
62d38a1d CMN |
2343 | int git_repository_set_head_detached( |
2344 | git_repository* repo, | |
2345 | const git_oid* commitish) | |
2346 | { | |
2347 | return detach(repo, commitish, NULL); | |
2348 | } | |
2349 | ||
2350 | int git_repository_set_head_detached_from_annotated( | |
2351 | git_repository *repo, | |
2352 | const git_annotated_commit *commitish) | |
2353 | { | |
2354 | assert(repo && commitish); | |
2355 | ||
d5592378 | 2356 | return detach(repo, git_annotated_commit_id(commitish), commitish->description); |
62d38a1d CMN |
2357 | } |
2358 | ||
4e498646 | 2359 | int git_repository_detach_head(git_repository* repo) |
3f4c3072 | 2360 | { |
4e498646 | 2361 | git_reference *old_head = NULL, *new_head = NULL, *current = NULL; |
3f4c3072 | 2362 | git_object *object = NULL; |
4e498646 | 2363 | git_buf log_message = GIT_BUF_INIT; |
8b05bea8 | 2364 | int error; |
3f4c3072 | 2365 | |
2366 | assert(repo); | |
2367 | ||
4e498646 | 2368 | if ((error = git_reference_lookup(¤t, repo, GIT_HEAD_FILE)) < 0) |
8b05bea8 | 2369 | return error; |
3f4c3072 | 2370 | |
4e498646 CMN |
2371 | if ((error = git_repository_head(&old_head, repo)) < 0) |
2372 | goto cleanup; | |
2373 | ||
2508cc66 | 2374 | if ((error = git_object_lookup(&object, repo, git_reference_target(old_head), GIT_OBJ_COMMIT)) < 0) |
3f4c3072 | 2375 | goto cleanup; |
2376 | ||
4e498646 CMN |
2377 | if ((error = checkout_message(&log_message, current, git_oid_tostr_s(git_object_id(object)))) < 0) |
2378 | goto cleanup; | |
2379 | ||
010cec3a | 2380 | error = git_reference_create(&new_head, repo, GIT_HEAD_FILE, git_reference_target(old_head), |
4e498646 | 2381 | 1, git_buf_cstr(&log_message)); |
3f4c3072 | 2382 | |
2383 | cleanup: | |
fe21d708 | 2384 | git_buf_free(&log_message); |
3f4c3072 | 2385 | git_object_free(object); |
2386 | git_reference_free(old_head); | |
2387 | git_reference_free(new_head); | |
4e498646 | 2388 | git_reference_free(current); |
3f4c3072 | 2389 | return error; |
2390 | } | |
632d8b23 | 2391 | |
31966d20 | 2392 | /** |
2393 | * Loosely ported from git.git | |
2394 | * https://github.com/git/git/blob/master/contrib/completion/git-prompt.sh#L198-289 | |
2395 | */ | |
632d8b23 ET |
2396 | int git_repository_state(git_repository *repo) |
2397 | { | |
2398 | git_buf repo_path = GIT_BUF_INIT; | |
2399 | int state = GIT_REPOSITORY_STATE_NONE; | |
2400 | ||
2401 | assert(repo); | |
2402 | ||
2403 | if (git_buf_puts(&repo_path, repo->path_repository) < 0) | |
2404 | return -1; | |
2405 | ||
31966d20 | 2406 | if (git_path_contains_file(&repo_path, GIT_REBASE_MERGE_INTERACTIVE_FILE)) |
2407 | state = GIT_REPOSITORY_STATE_REBASE_INTERACTIVE; | |
2408 | else if (git_path_contains_dir(&repo_path, GIT_REBASE_MERGE_DIR)) | |
2409 | state = GIT_REPOSITORY_STATE_REBASE_MERGE; | |
2410 | else if (git_path_contains_file(&repo_path, GIT_REBASE_APPLY_REBASING_FILE)) | |
2411 | state = GIT_REPOSITORY_STATE_REBASE; | |
2412 | else if (git_path_contains_file(&repo_path, GIT_REBASE_APPLY_APPLYING_FILE)) | |
2413 | state = GIT_REPOSITORY_STATE_APPLY_MAILBOX; | |
2414 | else if (git_path_contains_dir(&repo_path, GIT_REBASE_APPLY_DIR)) | |
2415 | state = GIT_REPOSITORY_STATE_APPLY_MAILBOX_OR_REBASE; | |
2416 | else if (git_path_contains_file(&repo_path, GIT_MERGE_HEAD_FILE)) | |
632d8b23 | 2417 | state = GIT_REPOSITORY_STATE_MERGE; |
2ea40fda | 2418 | else if (git_path_contains_file(&repo_path, GIT_REVERT_HEAD_FILE)) { |
632d8b23 | 2419 | state = GIT_REPOSITORY_STATE_REVERT; |
2ea40fda CMN |
2420 | if (git_path_contains_file(&repo_path, GIT_SEQUENCER_TODO_FILE)) { |
2421 | state = GIT_REPOSITORY_STATE_REVERT_SEQUENCE; | |
2422 | } | |
2423 | } else if (git_path_contains_file(&repo_path, GIT_CHERRYPICK_HEAD_FILE)) { | |
0ba4dca5 | 2424 | state = GIT_REPOSITORY_STATE_CHERRYPICK; |
2ea40fda CMN |
2425 | if (git_path_contains_file(&repo_path, GIT_SEQUENCER_TODO_FILE)) { |
2426 | state = GIT_REPOSITORY_STATE_CHERRYPICK_SEQUENCE; | |
2427 | } | |
2428 | } else if (git_path_contains_file(&repo_path, GIT_BISECT_LOG_FILE)) | |
31966d20 | 2429 | state = GIT_REPOSITORY_STATE_BISECT; |
632d8b23 ET |
2430 | |
2431 | git_buf_free(&repo_path); | |
2432 | return state; | |
2433 | } | |
93d8f77f | 2434 | |
c3dcbe84 VM |
2435 | int git_repository__cleanup_files( |
2436 | git_repository *repo, const char *files[], size_t files_len) | |
bab0b9f2 | 2437 | { |
c3dcbe84 | 2438 | git_buf buf = GIT_BUF_INIT; |
bab0b9f2 | 2439 | size_t i; |
c3dcbe84 | 2440 | int error; |
bab0b9f2 | 2441 | |
c3dcbe84 VM |
2442 | for (error = 0, i = 0; !error && i < files_len; ++i) { |
2443 | const char *path; | |
bab0b9f2 | 2444 | |
c3dcbe84 VM |
2445 | if (git_buf_joinpath(&buf, repo->path_repository, files[i]) < 0) |
2446 | return -1; | |
bab0b9f2 | 2447 | |
c3dcbe84 VM |
2448 | path = git_buf_cstr(&buf); |
2449 | ||
2450 | if (git_path_isfile(path)) { | |
2451 | error = p_unlink(path); | |
2452 | } else if (git_path_isdir(path)) { | |
2453 | error = git_futils_rmdir_r(path, NULL, | |
2454 | GIT_RMDIR_REMOVE_FILES | GIT_RMDIR_REMOVE_BLOCKERS); | |
2455 | } | |
2456 | ||
2457 | git_buf_clear(&buf); | |
2458 | } | |
bab0b9f2 | 2459 | |
c3dcbe84 | 2460 | git_buf_free(&buf); |
bab0b9f2 ET |
2461 | return error; |
2462 | } | |
2463 | ||
2464 | static const char *state_files[] = { | |
2465 | GIT_MERGE_HEAD_FILE, | |
2466 | GIT_MERGE_MODE_FILE, | |
2467 | GIT_MERGE_MSG_FILE, | |
2468 | GIT_REVERT_HEAD_FILE, | |
0ba4dca5 | 2469 | GIT_CHERRYPICK_HEAD_FILE, |
c0311295 JG |
2470 | GIT_BISECT_LOG_FILE, |
2471 | GIT_REBASE_MERGE_DIR, | |
2472 | GIT_REBASE_APPLY_DIR, | |
2ea40fda | 2473 | GIT_SEQUENCER_DIR, |
bab0b9f2 ET |
2474 | }; |
2475 | ||
2476 | int git_repository_state_cleanup(git_repository *repo) | |
2477 | { | |
2478 | assert(repo); | |
2479 | ||
2480 | return git_repository__cleanup_files(repo, state_files, ARRAY_SIZE(state_files)); | |
2481 | } | |
2482 | ||
93d8f77f BS |
2483 | int git_repository_is_shallow(git_repository *repo) |
2484 | { | |
2485 | git_buf path = GIT_BUF_INIT; | |
2486 | struct stat st; | |
6f0b8142 | 2487 | int error; |
93d8f77f | 2488 | |
3dbd9a0e JG |
2489 | if ((error = git_buf_joinpath(&path, repo->path_repository, "shallow")) < 0) |
2490 | return error; | |
2491 | ||
6f0b8142 BS |
2492 | error = git_path_lstat(path.ptr, &st); |
2493 | git_buf_free(&path); | |
93d8f77f | 2494 | |
9bda5fb8 BS |
2495 | if (error == GIT_ENOTFOUND) { |
2496 | giterr_clear(); | |
93d8f77f | 2497 | return 0; |
9bda5fb8 BS |
2498 | } |
2499 | ||
864535cf BS |
2500 | if (error < 0) |
2501 | return error; | |
2502 | return st.st_size == 0 ? 0 : 1; | |
93d8f77f | 2503 | } |
b9f81997 | 2504 | |
702efc89 RB |
2505 | int git_repository_init_init_options( |
2506 | git_repository_init_options *opts, unsigned int version) | |
b9f81997 | 2507 | { |
702efc89 RB |
2508 | GIT_INIT_STRUCTURE_FROM_TEMPLATE( |
2509 | opts, version, git_repository_init_options, | |
2510 | GIT_REPOSITORY_INIT_OPTIONS_INIT); | |
2511 | return 0; | |
b9f81997 | 2512 | } |
659cf202 CMN |
2513 | |
2514 | int git_repository_ident(const char **name, const char **email, const git_repository *repo) | |
2515 | { | |
2516 | *name = repo->ident_name; | |
2517 | *email = repo->ident_email; | |
2518 | ||
2519 | return 0; | |
2520 | } | |
2521 | ||
2522 | int git_repository_set_ident(git_repository *repo, const char *name, const char *email) | |
2523 | { | |
2524 | char *tmp_name = NULL, *tmp_email = NULL; | |
2525 | ||
2526 | if (name) { | |
2527 | tmp_name = git__strdup(name); | |
2528 | GITERR_CHECK_ALLOC(tmp_name); | |
2529 | } | |
2530 | ||
2531 | if (email) { | |
2532 | tmp_email = git__strdup(email); | |
2533 | GITERR_CHECK_ALLOC(tmp_email); | |
2534 | } | |
2535 | ||
2536 | tmp_name = git__swap(repo->ident_name, tmp_name); | |
2537 | tmp_email = git__swap(repo->ident_email, tmp_email); | |
2538 | ||
2539 | git__free(tmp_name); | |
2540 | git__free(tmp_email); | |
2541 | ||
2542 | return 0; | |
2543 | } |