2 5d56da81 2019-01-13 stsp * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4 7b19e0f1 2017-11-05 stsp * Permission to use, copy, modify, and distribute this software for any
5 7b19e0f1 2017-11-05 stsp * purpose with or without fee is hereby granted, provided that the above
6 7b19e0f1 2017-11-05 stsp * copyright notice and this permission notice appear in all copies.
8 7b19e0f1 2017-11-05 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 7b19e0f1 2017-11-05 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 7b19e0f1 2017-11-05 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 7b19e0f1 2017-11-05 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 7b19e0f1 2017-11-05 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 7b19e0f1 2017-11-05 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 7b19e0f1 2017-11-05 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 ad242220 2018-09-08 stsp #include <sys/types.h>
18 79b11c62 2018-03-09 stsp #include <sys/queue.h>
19 ad242220 2018-09-08 stsp #include <sys/uio.h>
20 deeca238 2018-03-12 stsp #include <sys/stat.h>
21 1510f469 2018-09-09 stsp #include <sys/mman.h>
22 876c234b 2018-09-10 stsp #include <sys/syslimits.h>
24 e09a504c 2019-06-28 stsp #include <ctype.h>
25 1510f469 2018-09-09 stsp #include <fcntl.h>
26 4027f31a 2017-11-04 stsp #include <limits.h>
27 1510f469 2018-09-09 stsp #include <dirent.h>
28 4027f31a 2017-11-04 stsp #include <stdlib.h>
29 4027f31a 2017-11-04 stsp #include <stdio.h>
30 4027f31a 2017-11-04 stsp #include <sha1.h>
31 4027f31a 2017-11-04 stsp #include <string.h>
32 79b11c62 2018-03-09 stsp #include <zlib.h>
33 85f51bba 2018-07-16 stsp #include <errno.h>
34 85f51bba 2018-07-16 stsp #include <libgen.h>
35 ad242220 2018-09-08 stsp #include <stdint.h>
36 ad242220 2018-09-08 stsp #include <imsg.h>
37 c442a90d 2019-03-10 stsp #include <uuid.h>
39 4027f31a 2017-11-04 stsp #include "got_error.h"
40 5261c201 2018-04-01 stsp #include "got_reference.h"
41 4027f31a 2017-11-04 stsp #include "got_repository.h"
42 1dd54920 2019-05-11 stsp #include "got_path.h"
43 442a3ddc 2018-04-23 stsp #include "got_worktree.h"
44 7bb0daa1 2018-06-21 stsp #include "got_object.h"
46 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
47 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
48 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
49 718b3ab0 2018-03-17 stsp #include "got_lib_pack.h"
50 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
51 442a3ddc 2018-04-23 stsp #include "got_lib_worktree.h"
52 e09a504c 2019-06-28 stsp #include "got_lib_sha1.h"
53 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
54 6bef87be 2018-09-11 stsp #include "got_lib_repository.h"
56 79b11c62 2018-03-09 stsp #ifndef nitems
57 79b11c62 2018-03-09 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
60 4027f31a 2017-11-04 stsp #define GOT_GIT_DIR ".git"
62 4027f31a 2017-11-04 stsp /* Mandatory files and directories inside the git directory. */
63 4df642d9 2017-11-05 stsp #define GOT_OBJECTS_DIR "objects"
64 4df642d9 2017-11-05 stsp #define GOT_REFS_DIR "refs"
65 4df642d9 2017-11-05 stsp #define GOT_HEAD_FILE "HEAD"
67 a1fd68d8 2018-01-12 stsp /* Other files and directories inside the git directory. */
68 4df642d9 2017-11-05 stsp #define GOT_FETCH_HEAD_FILE "FETCH_HEAD"
69 4df642d9 2017-11-05 stsp #define GOT_ORIG_HEAD_FILE "ORIG_HEAD"
70 a1fd68d8 2018-01-12 stsp #define GOT_OBJECTS_PACK_DIR "objects/pack"
71 fb79db15 2019-02-01 stsp #define GOT_PACKED_REFS_FILE "packed-refs"
73 7839bc15 2019-01-06 stsp const char *
74 86c3caaf 2018-03-09 stsp got_repo_get_path(struct got_repository *repo)
76 7839bc15 2019-01-06 stsp return repo->path;
79 6e9da951 2019-01-06 stsp const char *
80 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
82 6e9da951 2019-01-06 stsp return repo->path_git_dir;
86 04ca23f4 2018-07-16 stsp got_repo_is_bare(struct got_repository *repo)
88 04ca23f4 2018-07-16 stsp return (strcmp(repo->path, repo->path_git_dir) == 0);
91 4027f31a 2017-11-04 stsp static char *
92 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
94 4027f31a 2017-11-04 stsp char *path_child;
96 4986b9d5 2018-03-12 stsp if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
97 4027f31a 2017-11-04 stsp basename) == -1)
98 4027f31a 2017-11-04 stsp return NULL;
100 4027f31a 2017-11-04 stsp return path_child;
104 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
106 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
110 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
112 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
116 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
118 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
122 fb79db15 2019-02-01 stsp got_repo_get_path_packed_refs(struct got_repository *repo)
124 fb79db15 2019-02-01 stsp return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
127 4027f31a 2017-11-04 stsp static char *
128 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
130 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
134 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
136 6e9da951 2019-01-06 stsp const char *path_git = got_repo_get_path_git_dir(repo);
137 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
138 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
139 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
140 deeca238 2018-03-12 stsp int ret = 0;
141 deeca238 2018-03-12 stsp struct stat sb;
142 4847cca1 2018-03-12 stsp struct got_reference *head_ref;
144 deeca238 2018-03-12 stsp if (lstat(path_git, &sb) == -1)
146 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
149 deeca238 2018-03-12 stsp if (lstat(path_objects, &sb) == -1)
151 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
154 deeca238 2018-03-12 stsp if (lstat(path_refs, &sb) == -1)
156 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
159 deeca238 2018-03-12 stsp if (lstat(path_head, &sb) == -1)
161 deeca238 2018-03-12 stsp if (!S_ISREG(sb.st_mode))
164 4847cca1 2018-03-12 stsp /* Check if the HEAD reference can be opened. */
165 2f17228e 2019-05-12 stsp if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
167 4847cca1 2018-03-12 stsp got_ref_close(head_ref);
171 4027f31a 2017-11-04 stsp free(path_objects);
172 4027f31a 2017-11-04 stsp free(path_refs);
173 4027f31a 2017-11-04 stsp free(path_head);
174 4027f31a 2017-11-04 stsp return ret;
178 f6be5c30 2018-06-22 stsp const struct got_error *
179 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
180 f6be5c30 2018-06-22 stsp struct got_object *obj)
182 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
183 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
184 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
186 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
187 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
188 79c99a64 2019-05-23 stsp err = NULL;
189 f6be5c30 2018-06-22 stsp return err;
191 f6be5c30 2018-06-22 stsp obj->refcnt++;
193 f6be5c30 2018-06-22 stsp return NULL;
196 7bb0daa1 2018-06-21 stsp struct got_object *
197 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
198 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
200 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
203 4027f31a 2017-11-04 stsp const struct got_error *
204 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
205 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
207 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
208 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
209 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
211 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
212 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
213 79c99a64 2019-05-23 stsp err = NULL;
214 f6be5c30 2018-06-22 stsp return err;
216 f6be5c30 2018-06-22 stsp tree->refcnt++;
218 f6be5c30 2018-06-22 stsp return NULL;
221 f6be5c30 2018-06-22 stsp struct got_tree_object *
222 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
223 f6be5c30 2018-06-22 stsp struct got_object_id *id)
225 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
226 6bef87be 2018-09-11 stsp &repo->treecache, id);
229 1943de01 2018-06-22 stsp const struct got_error *
230 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
231 1943de01 2018-06-22 stsp struct got_commit_object *commit)
233 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
234 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
235 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
237 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
238 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
239 79c99a64 2019-05-23 stsp err = NULL;
240 1943de01 2018-06-22 stsp return err;
242 1943de01 2018-06-22 stsp commit->refcnt++;
244 f6be5c30 2018-06-22 stsp return NULL;
247 1943de01 2018-06-22 stsp struct got_commit_object *
248 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
249 1943de01 2018-06-22 stsp struct got_object_id *id)
251 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
252 6bef87be 2018-09-11 stsp &repo->commitcache, id);
255 f4a881ce 2018-11-17 stsp const struct got_error *
256 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
257 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
259 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
260 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
261 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
263 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
264 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
265 79c99a64 2019-05-23 stsp err = NULL;
266 f4a881ce 2018-11-17 stsp return err;
268 f4a881ce 2018-11-17 stsp tag->refcnt++;
270 f4a881ce 2018-11-17 stsp return NULL;
273 f4a881ce 2018-11-17 stsp struct got_tag_object *
274 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
276 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
277 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
280 f6be5c30 2018-06-22 stsp const struct got_error *
281 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
283 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
285 85f51bba 2018-07-16 stsp /* bare git repository? */
286 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
287 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
288 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
289 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
290 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
291 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
292 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
295 85f51bba 2018-07-16 stsp return NULL;
298 85f51bba 2018-07-16 stsp /* git repository with working tree? */
299 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
300 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
301 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
304 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
305 85f51bba 2018-07-16 stsp repo->path = strdup(path);
306 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
307 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
310 85f51bba 2018-07-16 stsp return NULL;
313 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
316 ee645855 2019-02-05 stsp free(repo->path);
317 ee645855 2019-02-05 stsp repo->path = NULL;
318 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
319 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
321 85f51bba 2018-07-16 stsp return err;
324 85f51bba 2018-07-16 stsp const struct got_error *
325 85f51bba 2018-07-16 stsp got_repo_open(struct got_repository **repop, const char *path)
327 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
328 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
329 85f51bba 2018-07-16 stsp char *abspath, *normpath = NULL;
330 ad242220 2018-09-08 stsp int i, tried_root = 0;
332 85f51bba 2018-07-16 stsp *repop = NULL;
334 2393f13b 2018-03-09 stsp if (got_path_is_absolute(path))
335 2393f13b 2018-03-09 stsp abspath = strdup(path);
337 2393f13b 2018-03-09 stsp abspath = got_path_get_absolute(path);
338 92af5469 2017-11-05 stsp if (abspath == NULL)
339 92af5469 2017-11-05 stsp return got_error(GOT_ERR_BAD_PATH);
341 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
342 92af5469 2017-11-05 stsp if (repo == NULL) {
343 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
347 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
348 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
349 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
350 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
353 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
354 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
357 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
358 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
361 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
362 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
365 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
366 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
370 85f51bba 2018-07-16 stsp normpath = got_path_normalize(abspath);
371 85f51bba 2018-07-16 stsp if (normpath == NULL) {
372 92af5469 2017-11-05 stsp err = got_error(GOT_ERR_BAD_PATH);
376 85f51bba 2018-07-16 stsp path = normpath;
378 85f51bba 2018-07-16 stsp err = open_repo(repo, path);
379 85f51bba 2018-07-16 stsp if (err == NULL)
381 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
383 85f51bba 2018-07-16 stsp if (path[0] == '/' && path[1] == '\0') {
384 85f51bba 2018-07-16 stsp if (tried_root) {
385 85f51bba 2018-07-16 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
388 85f51bba 2018-07-16 stsp tried_root = 1;
390 85f51bba 2018-07-16 stsp path = dirname(path);
391 85f51bba 2018-07-16 stsp if (path == NULL)
392 638f9024 2019-05-13 stsp err = got_error_from_errno2("dirname", path);
393 85f51bba 2018-07-16 stsp } while (path);
396 5c2f5761 2018-09-19 stsp got_repo_close(repo);
398 85f51bba 2018-07-16 stsp *repop = repo;
399 92af5469 2017-11-05 stsp free(abspath);
400 85f51bba 2018-07-16 stsp free(normpath);
401 92af5469 2017-11-05 stsp return err;
404 ad242220 2018-09-08 stsp const struct got_error *
405 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
407 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
410 65cf1e80 2018-03-16 stsp for (i = 0; i < nitems(repo->packidx_cache); i++) {
411 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
413 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
416 7e656b93 2018-03-17 stsp for (i = 0; i < nitems(repo->packs); i++) {
417 7e656b93 2018-03-17 stsp if (repo->packs[i].path_packfile == NULL)
419 7e656b93 2018-03-17 stsp got_pack_close(&repo->packs[i]);
422 4027f31a 2017-11-04 stsp free(repo->path);
423 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
425 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
426 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
427 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
428 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
430 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
431 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
433 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
434 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
435 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
436 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
437 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
438 ad242220 2018-09-08 stsp if (child_err && err == NULL)
439 ad242220 2018-09-08 stsp err = child_err;
440 3a6ce05a 2019-02-11 stsp if (close(repo->privsep_children[i].imsg_fd) != 0 &&
441 3a6ce05a 2019-02-11 stsp err == NULL)
442 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
444 4027f31a 2017-11-04 stsp free(repo);
446 ad242220 2018-09-08 stsp return err;
449 04ca23f4 2018-07-16 stsp const struct got_error *
450 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
451 23721109 2018-10-22 stsp const char *input_path, int check_disk)
453 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
454 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
455 04ca23f4 2018-07-16 stsp size_t repolen, cwdlen, len;
456 7839bc15 2019-01-06 stsp char *cwd, *canonpath, *path = NULL;
458 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
460 04ca23f4 2018-07-16 stsp cwd = getcwd(NULL, 0);
461 04ca23f4 2018-07-16 stsp if (cwd == NULL)
462 638f9024 2019-05-13 stsp return got_error_from_errno("getcwd");
464 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
465 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
466 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
469 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
473 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
475 2840f715 2019-07-11 stsp if (!check_disk || canonpath[0] == '\0') {
476 23721109 2018-10-22 stsp path = strdup(canonpath);
477 b70703ad 2019-03-18 stsp if (path == NULL) {
478 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
482 04ca23f4 2018-07-16 stsp int is_repo_child = 0, is_cwd_child = 0;
484 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
485 04ca23f4 2018-07-16 stsp if (path == NULL) {
486 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
487 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
492 b70703ad 2019-03-18 stsp * Path is not on disk.
493 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
495 b70703ad 2019-03-18 stsp path = strdup(canonpath);
496 b70703ad 2019-03-18 stsp if (path == NULL) {
497 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
502 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
503 04ca23f4 2018-07-16 stsp cwdlen = strlen(cwd);
504 04ca23f4 2018-07-16 stsp len = strlen(path);
506 04ca23f4 2018-07-16 stsp if (len > repolen && strncmp(path, repo_abspath, repolen) == 0)
507 04ca23f4 2018-07-16 stsp is_repo_child = 1;
508 04ca23f4 2018-07-16 stsp if (len > cwdlen && strncmp(path, cwd, cwdlen) == 0)
509 04ca23f4 2018-07-16 stsp is_cwd_child = 1;
511 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
512 04ca23f4 2018-07-16 stsp free(path);
513 04ca23f4 2018-07-16 stsp path = strdup("");
514 04ca23f4 2018-07-16 stsp if (path == NULL) {
515 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
518 04ca23f4 2018-07-16 stsp } else if (is_repo_child && is_cwd_child) {
519 04ca23f4 2018-07-16 stsp char *child;
520 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
521 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
522 04ca23f4 2018-07-16 stsp repo_abspath, path);
525 04ca23f4 2018-07-16 stsp free(path);
526 04ca23f4 2018-07-16 stsp path = child;
527 04ca23f4 2018-07-16 stsp } else if (is_repo_child) {
528 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
529 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
531 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
532 04ca23f4 2018-07-16 stsp * database. Treat as repository-relative.
535 04ca23f4 2018-07-16 stsp char *child;
536 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
537 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
538 04ca23f4 2018-07-16 stsp repo_abspath, path);
541 04ca23f4 2018-07-16 stsp free(path);
542 04ca23f4 2018-07-16 stsp path = child;
544 04ca23f4 2018-07-16 stsp } else if (is_cwd_child) {
545 04ca23f4 2018-07-16 stsp char *child;
546 04ca23f4 2018-07-16 stsp /* Strip common prefix with cwd. */
547 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child, cwd,
551 04ca23f4 2018-07-16 stsp free(path);
552 04ca23f4 2018-07-16 stsp path = child;
555 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
556 04ca23f4 2018-07-16 stsp * Treat it as repository-relative.
561 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
562 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
563 04ca23f4 2018-07-16 stsp char *abspath;
564 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
565 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
568 04ca23f4 2018-07-16 stsp free(path);
569 04ca23f4 2018-07-16 stsp path = abspath;
574 04ca23f4 2018-07-16 stsp free(canonpath);
576 04ca23f4 2018-07-16 stsp free(path);
578 04ca23f4 2018-07-16 stsp *in_repo_path = path;
579 1510f469 2018-09-09 stsp return err;
582 1510f469 2018-09-09 stsp const struct got_error *
583 1510f469 2018-09-09 stsp got_repo_cache_packidx(struct got_repository *repo, struct got_packidx *packidx)
585 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
588 1510f469 2018-09-09 stsp for (i = 0; i < nitems(repo->packidx_cache); i++) {
589 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
592 1510f469 2018-09-09 stsp if (i == nitems(repo->packidx_cache)) {
593 1510f469 2018-09-09 stsp err = got_packidx_close(repo->packidx_cache[i - 1]);
595 1510f469 2018-09-09 stsp return err;
599 15fe583f 2018-11-05 stsp * Insert the new pack index at the front so it will
600 15fe583f 2018-11-05 stsp * be searched first in the future.
602 15fe583f 2018-11-05 stsp memmove(&repo->packidx_cache[1], &repo->packidx_cache[0],
603 15fe583f 2018-11-05 stsp sizeof(repo->packidx_cache) -
604 15fe583f 2018-11-05 stsp sizeof(repo->packidx_cache[0]));
605 15fe583f 2018-11-05 stsp repo->packidx_cache[0] = packidx;
607 1510f469 2018-09-09 stsp return NULL;
611 1510f469 2018-09-09 stsp is_packidx_filename(const char *name, size_t len)
613 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
616 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
619 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
620 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
626 1510f469 2018-09-09 stsp const struct got_error *
627 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
628 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
630 1510f469 2018-09-09 stsp const struct got_error *err;
631 1510f469 2018-09-09 stsp char *path_packdir;
632 1510f469 2018-09-09 stsp DIR *packdir;
633 1510f469 2018-09-09 stsp struct dirent *dent;
634 1510f469 2018-09-09 stsp char *path_packidx;
637 1510f469 2018-09-09 stsp /* Search pack index cache. */
638 1510f469 2018-09-09 stsp for (i = 0; i < nitems(repo->packidx_cache); i++) {
639 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
641 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
642 1510f469 2018-09-09 stsp if (*idx != -1) {
643 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
644 1510f469 2018-09-09 stsp return NULL;
647 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
649 1510f469 2018-09-09 stsp path_packdir = got_repo_get_path_objects_pack(repo);
650 1510f469 2018-09-09 stsp if (path_packdir == NULL)
651 638f9024 2019-05-13 stsp return got_error_from_errno("got_repo_get_path_objects_pack");
653 1510f469 2018-09-09 stsp packdir = opendir(path_packdir);
654 1510f469 2018-09-09 stsp if (packdir == NULL) {
655 638f9024 2019-05-13 stsp err = got_error_from_errno2("opendir", path_packdir);
659 1510f469 2018-09-09 stsp while ((dent = readdir(packdir)) != NULL) {
660 1510f469 2018-09-09 stsp if (!is_packidx_filename(dent->d_name, dent->d_namlen))
663 1510f469 2018-09-09 stsp if (asprintf(&path_packidx, "%s/%s", path_packdir,
664 1510f469 2018-09-09 stsp dent->d_name) == -1) {
665 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
669 1510f469 2018-09-09 stsp err = got_packidx_open(packidx, path_packidx, 0);
670 1510f469 2018-09-09 stsp free(path_packidx);
674 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
675 1510f469 2018-09-09 stsp if (*idx != -1) {
676 1510f469 2018-09-09 stsp err = NULL; /* found the object */
677 1510f469 2018-09-09 stsp err = got_repo_cache_packidx(repo, *packidx);
681 1510f469 2018-09-09 stsp err = got_packidx_close(*packidx);
682 1510f469 2018-09-09 stsp *packidx = NULL;
687 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
689 1510f469 2018-09-09 stsp free(path_packdir);
690 d69bcdf7 2019-06-28 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
691 638f9024 2019-05-13 stsp err = got_error_from_errno("closedir");
692 04ca23f4 2018-07-16 stsp return err;
695 1510f469 2018-09-09 stsp static const struct got_error *
696 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
698 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
699 1510f469 2018-09-09 stsp uint32_t totobj = betoh32(packidx->hdr.fanout_table[0xff]);
700 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
703 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
705 638f9024 2019-05-13 stsp return got_error_from_errno("read");
706 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
707 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
709 1510f469 2018-09-09 stsp if (betoh32(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
710 1510f469 2018-09-09 stsp betoh32(hdr.version) != GOT_PACKFILE_VERSION ||
711 1510f469 2018-09-09 stsp betoh32(hdr.nobjects) != totobj)
712 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
714 1510f469 2018-09-09 stsp return err;
717 1510f469 2018-09-09 stsp static const struct got_error *
718 1510f469 2018-09-09 stsp open_packfile(int *fd, const char *path_packfile, struct got_packidx *packidx)
720 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
722 a5b57ccf 2019-04-11 stsp *fd = open(path_packfile, O_RDONLY | O_NOFOLLOW);
723 1510f469 2018-09-09 stsp if (*fd == -1)
724 638f9024 2019-05-13 stsp return got_error_from_errno2("open", path_packfile);
726 1510f469 2018-09-09 stsp if (packidx) {
727 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
729 1510f469 2018-09-09 stsp close(*fd);
734 1510f469 2018-09-09 stsp return err;
737 1510f469 2018-09-09 stsp const struct got_error *
738 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
739 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
741 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
742 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
743 ff563a3d 2019-05-23 stsp struct stat sb;
747 1510f469 2018-09-09 stsp *packp = NULL;
749 1510f469 2018-09-09 stsp for (i = 0; i < nitems(repo->packs); i++) {
750 1510f469 2018-09-09 stsp pack = &repo->packs[i];
751 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
753 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
754 1510f469 2018-09-09 stsp return NULL;
757 1510f469 2018-09-09 stsp if (i == nitems(repo->packs) - 1) {
758 1510f469 2018-09-09 stsp err = got_pack_close(&repo->packs[i - 1]);
760 1510f469 2018-09-09 stsp return err;
761 1510f469 2018-09-09 stsp memmove(&repo->packs[1], &repo->packs[0],
762 1510f469 2018-09-09 stsp sizeof(repo->packs) - sizeof(repo->packs[0]));
766 1510f469 2018-09-09 stsp pack = &repo->packs[i];
768 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
769 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
770 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
774 1510f469 2018-09-09 stsp err = open_packfile(&pack->fd, path_packfile, packidx);
778 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
779 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
782 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
784 90636195 2018-09-11 stsp pack->privsep_child = NULL;
786 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
787 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
788 1510f469 2018-09-09 stsp pack->fd, 0);
789 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
790 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
791 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
794 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
799 1510f469 2018-09-09 stsp if (pack) {
800 1510f469 2018-09-09 stsp free(pack->path_packfile);
801 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
803 1510f469 2018-09-09 stsp } else if (packp)
804 1510f469 2018-09-09 stsp *packp = pack;
805 1510f469 2018-09-09 stsp return err;
808 1510f469 2018-09-09 stsp struct got_pack *
809 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
811 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
814 1510f469 2018-09-09 stsp for (i = 0; i < nitems(repo->packs); i++) {
815 1510f469 2018-09-09 stsp pack = &repo->packs[i];
816 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
818 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
819 1510f469 2018-09-09 stsp return pack;
822 2c7829a4 2019-06-17 stsp return NULL;
825 2c7829a4 2019-06-17 stsp const struct got_error *
826 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
828 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
829 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
830 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
831 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
832 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
834 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
835 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
836 2c7829a4 2019-06-17 stsp const char *headref_str = "ref: refs/heads/master";
837 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
838 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
839 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
840 2c7829a4 2019-06-17 stsp "\tbare = true\n";
841 2c7829a4 2019-06-17 stsp char *path;
844 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
845 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
847 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
848 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
849 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
851 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
852 2c7829a4 2019-06-17 stsp free(path);
854 2c7829a4 2019-06-17 stsp return err;
857 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
858 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
859 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
860 2c7829a4 2019-06-17 stsp free(path);
862 2c7829a4 2019-06-17 stsp return err;
864 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
865 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
866 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
867 2c7829a4 2019-06-17 stsp free(path);
869 2c7829a4 2019-06-17 stsp return err;
871 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
872 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
873 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
874 2c7829a4 2019-06-17 stsp free(path);
876 2c7829a4 2019-06-17 stsp return err;
878 1510f469 2018-09-09 stsp return NULL;
881 e09a504c 2019-06-28 stsp static const struct got_error *
882 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
883 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
885 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
886 e09a504c 2019-06-28 stsp char *path_packdir;
887 e09a504c 2019-06-28 stsp DIR *packdir;
888 e09a504c 2019-06-28 stsp struct dirent *dent;
889 e09a504c 2019-06-28 stsp char *path_packidx;
890 dd88155e 2019-06-29 stsp struct got_object_id_queue matched_ids;
892 dd88155e 2019-06-29 stsp SIMPLEQ_INIT(&matched_ids);
894 e09a504c 2019-06-28 stsp path_packdir = got_repo_get_path_objects_pack(repo);
895 e09a504c 2019-06-28 stsp if (path_packdir == NULL)
896 e09a504c 2019-06-28 stsp return got_error_from_errno("got_repo_get_path_objects_pack");
898 e09a504c 2019-06-28 stsp packdir = opendir(path_packdir);
899 e09a504c 2019-06-28 stsp if (packdir == NULL) {
900 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path_packdir);
904 e09a504c 2019-06-28 stsp while ((dent = readdir(packdir)) != NULL) {
905 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
906 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
909 e09a504c 2019-06-28 stsp if (!is_packidx_filename(dent->d_name, dent->d_namlen))
912 e09a504c 2019-06-28 stsp if (asprintf(&path_packidx, "%s/%s", path_packdir,
913 e09a504c 2019-06-28 stsp dent->d_name) == -1) {
914 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
918 e09a504c 2019-06-28 stsp err = got_packidx_open(&packidx, path_packidx, 0);
919 e09a504c 2019-06-28 stsp free(path_packidx);
923 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
924 4277420a 2019-06-29 stsp packidx, id_str_prefix);
926 4277420a 2019-06-29 stsp got_packidx_close(packidx);
929 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
933 dd88155e 2019-06-29 stsp SIMPLEQ_FOREACH(qid, &matched_ids, entry) {
934 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
935 dd88155e 2019-06-29 stsp int matched_type;
936 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
940 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
943 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
944 dd88155e 2019-06-29 stsp *unique_id = got_object_id_dup(qid->id);
945 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
946 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
950 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
956 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
957 e09a504c 2019-06-28 stsp free(path_packdir);
958 e09a504c 2019-06-28 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
959 e09a504c 2019-06-28 stsp err = got_error_from_errno("closedir");
961 e09a504c 2019-06-28 stsp free(*unique_id);
962 e09a504c 2019-06-28 stsp *unique_id = NULL;
964 e09a504c 2019-06-28 stsp return err;
967 e09a504c 2019-06-28 stsp static const struct got_error *
968 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
969 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
970 e09a504c 2019-06-28 stsp struct got_repository *repo)
972 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
973 e09a504c 2019-06-28 stsp char *path;
974 e09a504c 2019-06-28 stsp DIR *dir = NULL;
975 e09a504c 2019-06-28 stsp struct dirent *dent;
976 e09a504c 2019-06-28 stsp struct got_object_id id;
978 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
979 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
983 e09a504c 2019-06-28 stsp dir = opendir(path);
984 e09a504c 2019-06-28 stsp if (dir == NULL) {
985 4277420a 2019-06-29 stsp if (errno == ENOENT) {
986 4277420a 2019-06-29 stsp err = NULL;
989 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
992 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
993 e09a504c 2019-06-28 stsp char *id_str;
996 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
997 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1000 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1001 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1002 e09a504c 2019-06-28 stsp goto done;
1005 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1009 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1010 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1012 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1013 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1014 e09a504c 2019-06-28 stsp free(id_str);
1018 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1019 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1020 dd88155e 2019-06-29 stsp int matched_type;
1021 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1024 dd88155e 2019-06-29 stsp goto done;
1025 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1028 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1029 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1030 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1031 e09a504c 2019-06-28 stsp free(id_str);
1032 e09a504c 2019-06-28 stsp goto done;
1035 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1036 e09a504c 2019-06-28 stsp free(id_str);
1037 e09a504c 2019-06-28 stsp goto done;
1041 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1042 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1043 e09a504c 2019-06-28 stsp if (err) {
1044 e09a504c 2019-06-28 stsp free(*unique_id);
1045 e09a504c 2019-06-28 stsp *unique_id = NULL;
1047 e09a504c 2019-06-28 stsp free(path);
1048 e09a504c 2019-06-28 stsp return err;
1051 e09a504c 2019-06-28 stsp const struct got_error *
1052 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1053 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1055 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1056 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1057 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1058 e09a504c 2019-06-28 stsp size_t len;
1061 4277420a 2019-06-29 stsp *id = NULL;
1063 4277420a 2019-06-29 stsp for (i = 0; i < strlen(id_str_prefix); i++) {
1064 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1066 4277420a 2019-06-29 stsp return got_error(GOT_ERR_BAD_OBJ_ID_STR);
1069 e09a504c 2019-06-28 stsp len = strlen(id_str_prefix);
1070 e09a504c 2019-06-28 stsp if (len >= 2) {
1071 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1073 83c8b3b8 2019-06-29 stsp goto done;
1074 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1075 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1076 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1077 83c8b3b8 2019-06-29 stsp goto done;
1079 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1080 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1081 e09a504c 2019-06-28 stsp } else if (len == 1) {
1083 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1084 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1086 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1087 83c8b3b8 2019-06-29 stsp goto done;
1089 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1090 dd88155e 2019-06-29 stsp obj_type);
1092 83c8b3b8 2019-06-29 stsp goto done;
1093 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1094 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1096 83c8b3b8 2019-06-29 stsp goto done;
1099 83c8b3b8 2019-06-29 stsp err = got_error(GOT_ERR_BAD_OBJ_ID_STR);
1100 83c8b3b8 2019-06-29 stsp goto done;
1103 e09a504c 2019-06-28 stsp free(object_dir);
1104 4277420a 2019-06-29 stsp if (err) {
1105 4277420a 2019-06-29 stsp free(*id);
1106 4277420a 2019-06-29 stsp *id = NULL;
1107 4277420a 2019-06-29 stsp } else if (*id == NULL)
1108 4277420a 2019-06-29 stsp err = got_error(GOT_ERR_NO_OBJ);
1110 e09a504c 2019-06-28 stsp return err;
