2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 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 ad242220 2018-09-08 stsp #include <sys/uio.h>
19 aba9c984 2019-09-08 stsp #include <sys/socket.h>
20 deeca238 2018-03-12 stsp #include <sys/stat.h>
21 1510f469 2018-09-09 stsp #include <sys/mman.h>
22 6c414261 2021-03-30 stsp #include <sys/resource.h>
24 e09a504c 2019-06-28 stsp #include <ctype.h>
25 1510f469 2018-09-09 stsp #include <fcntl.h>
26 3ce1b845 2019-07-15 stsp #include <fnmatch.h>
27 4027f31a 2017-11-04 stsp #include <limits.h>
28 1510f469 2018-09-09 stsp #include <dirent.h>
29 4027f31a 2017-11-04 stsp #include <stdlib.h>
30 4027f31a 2017-11-04 stsp #include <stdio.h>
31 4027f31a 2017-11-04 stsp #include <string.h>
32 303e14b5 2019-09-23 stsp #include <time.h>
33 81a12da5 2020-09-09 naddy #include <unistd.h>
34 79b11c62 2018-03-09 stsp #include <zlib.h>
35 85f51bba 2018-07-16 stsp #include <errno.h>
36 85f51bba 2018-07-16 stsp #include <libgen.h>
37 ad242220 2018-09-08 stsp #include <stdint.h>
39 4545b700 2021-10-15 thomas #include "bloom.h"
41 4027f31a 2017-11-04 stsp #include "got_error.h"
42 5261c201 2018-04-01 stsp #include "got_reference.h"
43 4027f31a 2017-11-04 stsp #include "got_repository.h"
44 1dd54920 2019-05-11 stsp #include "got_path.h"
45 e6209546 2019-08-22 stsp #include "got_cancel.h"
46 7bb0daa1 2018-06-21 stsp #include "got_object.h"
48 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
49 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
50 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
51 3ce1b845 2019-07-15 stsp #include "got_lib_object_parse.h"
52 3ce1b845 2019-07-15 stsp #include "got_lib_object_create.h"
53 718b3ab0 2018-03-17 stsp #include "got_lib_pack.h"
54 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
55 e09a504c 2019-06-28 stsp #include "got_lib_sha1.h"
56 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
57 6bef87be 2018-09-11 stsp #include "got_lib_repository.h"
58 50b0790e 2020-09-11 stsp #include "got_lib_gotconfig.h"
60 79b11c62 2018-03-09 stsp #ifndef nitems
61 79b11c62 2018-03-09 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
64 0be8fa4c 2021-10-15 thomas RB_PROTOTYPE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
65 0be8fa4c 2021-10-15 thomas got_packidx_bloom_filter_cmp);
67 7839bc15 2019-01-06 stsp const char *
68 86c3caaf 2018-03-09 stsp got_repo_get_path(struct got_repository *repo)
70 7839bc15 2019-01-06 stsp return repo->path;
73 6e9da951 2019-01-06 stsp const char *
74 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
76 6e9da951 2019-01-06 stsp return repo->path_git_dir;
80 6d5a9006 2020-12-16 yzhong got_repo_get_fd(struct got_repository *repo)
82 6d5a9006 2020-12-16 yzhong return repo->gitdir_fd;
85 aba9c984 2019-09-08 stsp const char *
86 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_name(struct got_repository *repo)
88 aba9c984 2019-09-08 stsp return repo->gitconfig_author_name;
91 aba9c984 2019-09-08 stsp const char *
92 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_email(struct got_repository *repo)
94 aba9c984 2019-09-08 stsp return repo->gitconfig_author_email;
97 c9956ddf 2019-09-08 stsp const char *
98 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_name(struct got_repository *repo)
100 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_name;
103 c9956ddf 2019-09-08 stsp const char *
104 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_email(struct got_repository *repo)
106 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_email;
109 9a1cc63f 2020-02-03 stsp const char *
110 9a1cc63f 2020-02-03 stsp got_repo_get_gitconfig_owner(struct got_repository *repo)
112 9a1cc63f 2020-02-03 stsp return repo->gitconfig_owner;
116 9188bd78 2021-07-03 stsp got_repo_get_gitconfig_extensions(char ***extensions, int *nextensions,
117 9188bd78 2021-07-03 stsp struct got_repository *repo)
119 9188bd78 2021-07-03 stsp *extensions = repo->extensions;
120 9188bd78 2021-07-03 stsp *nextensions = repo->nextensions;
124 04ca23f4 2018-07-16 stsp got_repo_is_bare(struct got_repository *repo)
126 04ca23f4 2018-07-16 stsp return (strcmp(repo->path, repo->path_git_dir) == 0);
129 4027f31a 2017-11-04 stsp static char *
130 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
132 4027f31a 2017-11-04 stsp char *path_child;
134 4986b9d5 2018-03-12 stsp if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
135 4027f31a 2017-11-04 stsp basename) == -1)
136 4027f31a 2017-11-04 stsp return NULL;
138 4027f31a 2017-11-04 stsp return path_child;
142 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
144 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
148 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
150 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
154 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
156 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
160 fb79db15 2019-02-01 stsp got_repo_get_path_packed_refs(struct got_repository *repo)
162 fb79db15 2019-02-01 stsp return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
165 4027f31a 2017-11-04 stsp static char *
166 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
168 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
172 b46f3e71 2020-03-18 stsp got_repo_get_path_gitconfig(struct got_repository *repo)
174 b46f3e71 2020-03-18 stsp return get_path_git_child(repo, GOT_GITCONFIG);
178 257add31 2020-09-09 stsp got_repo_get_path_gotconfig(struct got_repository *repo)
180 50b0790e 2020-09-11 stsp return get_path_git_child(repo, GOT_GOTCONFIG_FILENAME);
183 50b0790e 2020-09-11 stsp const struct got_gotconfig *
184 50b0790e 2020-09-11 stsp got_repo_get_gotconfig(struct got_repository *repo)
186 50b0790e 2020-09-11 stsp return repo->gotconfig;
190 50b0790e 2020-09-11 stsp got_repo_get_gitconfig_remotes(int *nremotes,
191 50b0790e 2020-09-11 stsp const struct got_remote_repo **remotes, struct got_repository *repo)
193 50b0790e 2020-09-11 stsp *nremotes = repo->ngitconfig_remotes;
194 50b0790e 2020-09-11 stsp *remotes = repo->gitconfig_remotes;
198 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
200 6e9da951 2019-01-06 stsp const char *path_git = got_repo_get_path_git_dir(repo);
201 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
202 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
203 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
204 deeca238 2018-03-12 stsp int ret = 0;
205 deeca238 2018-03-12 stsp struct stat sb;
206 4847cca1 2018-03-12 stsp struct got_reference *head_ref;
208 deeca238 2018-03-12 stsp if (lstat(path_git, &sb) == -1)
210 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
213 deeca238 2018-03-12 stsp if (lstat(path_objects, &sb) == -1)
215 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
218 deeca238 2018-03-12 stsp if (lstat(path_refs, &sb) == -1)
220 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
223 deeca238 2018-03-12 stsp if (lstat(path_head, &sb) == -1)
225 deeca238 2018-03-12 stsp if (!S_ISREG(sb.st_mode))
228 4847cca1 2018-03-12 stsp /* Check if the HEAD reference can be opened. */
229 2f17228e 2019-05-12 stsp if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
231 4847cca1 2018-03-12 stsp got_ref_close(head_ref);
235 4027f31a 2017-11-04 stsp free(path_objects);
236 4027f31a 2017-11-04 stsp free(path_refs);
237 4027f31a 2017-11-04 stsp free(path_head);
238 4027f31a 2017-11-04 stsp return ret;
242 f6be5c30 2018-06-22 stsp const struct got_error *
243 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
244 f6be5c30 2018-06-22 stsp struct got_object *obj)
246 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
247 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
248 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
250 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
251 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
252 79c99a64 2019-05-23 stsp err = NULL;
253 f6be5c30 2018-06-22 stsp return err;
255 f6be5c30 2018-06-22 stsp obj->refcnt++;
257 f6be5c30 2018-06-22 stsp return NULL;
260 7bb0daa1 2018-06-21 stsp struct got_object *
261 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
262 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
264 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
267 4027f31a 2017-11-04 stsp const struct got_error *
268 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
269 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
271 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
272 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
273 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
275 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
276 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
277 79c99a64 2019-05-23 stsp err = NULL;
278 f6be5c30 2018-06-22 stsp return err;
280 f6be5c30 2018-06-22 stsp tree->refcnt++;
282 f6be5c30 2018-06-22 stsp return NULL;
285 f6be5c30 2018-06-22 stsp struct got_tree_object *
286 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
287 f6be5c30 2018-06-22 stsp struct got_object_id *id)
289 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
290 6bef87be 2018-09-11 stsp &repo->treecache, id);
293 1943de01 2018-06-22 stsp const struct got_error *
294 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
295 1943de01 2018-06-22 stsp struct got_commit_object *commit)
297 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
298 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
299 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
301 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
302 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
303 79c99a64 2019-05-23 stsp err = NULL;
304 1943de01 2018-06-22 stsp return err;
306 1943de01 2018-06-22 stsp commit->refcnt++;
308 f6be5c30 2018-06-22 stsp return NULL;
311 1943de01 2018-06-22 stsp struct got_commit_object *
312 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
313 1943de01 2018-06-22 stsp struct got_object_id *id)
315 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
316 6bef87be 2018-09-11 stsp &repo->commitcache, id);
319 f4a881ce 2018-11-17 stsp const struct got_error *
320 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
321 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
323 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
324 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
325 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
327 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
328 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
329 79c99a64 2019-05-23 stsp err = NULL;
330 f4a881ce 2018-11-17 stsp return err;
332 f4a881ce 2018-11-17 stsp tag->refcnt++;
334 f4a881ce 2018-11-17 stsp return NULL;
337 f4a881ce 2018-11-17 stsp struct got_tag_object *
338 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
340 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
341 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
344 8ab9215c 2021-10-15 thomas const struct got_error *
345 8ab9215c 2021-10-15 thomas got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
346 8ab9215c 2021-10-15 thomas struct got_raw_object *raw)
348 8ab9215c 2021-10-15 thomas #ifndef GOT_NO_OBJ_CACHE
349 8ab9215c 2021-10-15 thomas const struct got_error *err = NULL;
350 8ab9215c 2021-10-15 thomas err = got_object_cache_add(&repo->rawcache, id, raw);
351 8ab9215c 2021-10-15 thomas if (err) {
352 8ab9215c 2021-10-15 thomas if (err->code == GOT_ERR_OBJ_EXISTS ||
353 8ab9215c 2021-10-15 thomas err->code == GOT_ERR_OBJ_TOO_LARGE)
354 8ab9215c 2021-10-15 thomas err = NULL;
355 8ab9215c 2021-10-15 thomas return err;
357 8ab9215c 2021-10-15 thomas raw->refcnt++;
359 8ab9215c 2021-10-15 thomas return NULL;
363 8ab9215c 2021-10-15 thomas struct got_raw_object *
364 8ab9215c 2021-10-15 thomas got_repo_get_cached_raw_object(struct got_repository *repo,
365 8ab9215c 2021-10-15 thomas struct got_object_id *id)
367 8ab9215c 2021-10-15 thomas return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
371 991ff1aa 2021-06-15 tracey static const struct got_error *
372 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
374 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
376 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
378 85f51bba 2018-07-16 stsp /* bare git repository? */
379 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
380 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
381 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
382 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
383 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
384 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
385 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
386 6d5a9006 2020-12-16 yzhong goto done;
388 06340621 2021-12-31 thomas repo->gitdir_fd = open(repo->path_git_dir,
389 06340621 2021-12-31 thomas O_DIRECTORY | O_CLOEXEC);
390 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
391 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
392 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
395 85f51bba 2018-07-16 stsp return NULL;
398 85f51bba 2018-07-16 stsp /* git repository with working tree? */
399 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
400 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
401 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
402 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
405 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
406 85f51bba 2018-07-16 stsp repo->path = strdup(path);
407 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
408 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
411 06340621 2021-12-31 thomas repo->gitdir_fd = open(repo->path_git_dir,
412 06340621 2021-12-31 thomas O_DIRECTORY | O_CLOEXEC);
413 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
414 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
415 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
416 6d5a9006 2020-12-16 yzhong goto done;
418 85f51bba 2018-07-16 stsp return NULL;
421 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
424 ee645855 2019-02-05 stsp free(repo->path);
425 ee645855 2019-02-05 stsp repo->path = NULL;
426 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
427 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
428 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
429 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
430 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
433 aba9c984 2019-09-08 stsp return err;
436 aba9c984 2019-09-08 stsp static const struct got_error *
437 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
438 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
439 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
440 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
441 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
443 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
444 aba9c984 2019-09-08 stsp int fd = -1;
445 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
447 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
449 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
450 20b7abb3 2020-10-22 stsp if (extensions)
451 20b7abb3 2020-10-22 stsp *extensions = NULL;
452 20b7abb3 2020-10-22 stsp if (nextensions)
453 20b7abb3 2020-10-22 stsp *nextensions = 0;
454 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
455 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
456 2fb669fb 2020-03-20 stsp if (remotes)
457 2fb669fb 2020-03-20 stsp *remotes = NULL;
458 2fb669fb 2020-03-20 stsp if (nremotes)
459 2fb669fb 2020-03-20 stsp *nremotes = 0;
460 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
461 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
463 06340621 2021-12-31 thomas fd = open(gitconfig_path, O_RDONLY | O_CLOEXEC);
464 aba9c984 2019-09-08 stsp if (fd == -1) {
465 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
466 aba9c984 2019-09-08 stsp return NULL;
467 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
470 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
471 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
472 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
476 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
477 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
481 aba9c984 2019-09-08 stsp pid = fork();
482 aba9c984 2019-09-08 stsp if (pid == -1) {
483 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
485 aba9c984 2019-09-08 stsp } else if (pid == 0) {
486 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
487 c9956ddf 2019-09-08 stsp gitconfig_path);
488 aba9c984 2019-09-08 stsp /* not reached */
491 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
492 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
495 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
496 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
498 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
503 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
507 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
508 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
512 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
513 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
517 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
520 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
522 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
523 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
524 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
527 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
529 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
533 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
538 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
542 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
546 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
550 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
554 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
555 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
559 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
560 cd95becd 2019-11-29 stsp nremotes, ibuf);
565 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
566 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
569 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
574 aba9c984 2019-09-08 stsp err = got_privsep_send_stop(imsg_fds[0]);
575 aba9c984 2019-09-08 stsp child_err = got_privsep_wait_for_child(pid);
576 aba9c984 2019-09-08 stsp if (child_err && err == NULL)
577 aba9c984 2019-09-08 stsp err = child_err;
579 aba9c984 2019-09-08 stsp if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
580 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
581 aba9c984 2019-09-08 stsp if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
582 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
583 aba9c984 2019-09-08 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
584 aba9c984 2019-09-08 stsp err = got_error_from_errno2("close", gitconfig_path);
585 aba9c984 2019-09-08 stsp free(ibuf);
586 c9956ddf 2019-09-08 stsp return err;
589 c9956ddf 2019-09-08 stsp static const struct got_error *
590 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
592 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
593 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
595 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
596 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
597 c9956ddf 2019-09-08 stsp int dummy_repo_version;
598 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&dummy_repo_version,
599 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
600 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
601 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
603 c9956ddf 2019-09-08 stsp return err;
606 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
607 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
608 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
609 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
611 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&repo->gitconfig_repository_format_version,
612 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
613 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
614 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
615 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
619 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
620 257add31 2020-09-09 stsp return err;
623 257add31 2020-09-09 stsp static const struct got_error *
624 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
626 257add31 2020-09-09 stsp const struct got_error *err = NULL;
627 257add31 2020-09-09 stsp char *gotconfig_path;
629 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
630 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
631 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
633 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
634 257add31 2020-09-09 stsp free(gotconfig_path);
635 85f51bba 2018-07-16 stsp return err;
638 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
639 20b7abb3 2020-10-22 stsp static const char *repo_extensions[] = {
640 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
641 2252c019 2021-07-03 stsp "preciousObjects", /* Supported by gotadmin cleanup. */
642 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
645 85f51bba 2018-07-16 stsp const struct got_error *
646 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
647 c9956ddf 2019-09-08 stsp const char *global_gitconfig_path)
649 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
650 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
651 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
653 6c414261 2021-03-30 stsp struct rlimit rl;
655 85f51bba 2018-07-16 stsp *repop = NULL;
657 6c414261 2021-03-30 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
658 6c414261 2021-03-30 stsp return got_error_from_errno("getrlimit");
660 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
661 92af5469 2017-11-05 stsp if (repo == NULL) {
662 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
666 cfe41121 2021-10-16 thomas RB_INIT(&repo->packidx_bloom_filters);
668 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
669 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
670 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
671 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
674 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
675 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
678 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
679 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
682 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
683 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
686 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
687 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
690 8ab9215c 2021-10-15 thomas err = got_object_cache_init(&repo->rawcache,
691 8ab9215c 2021-10-15 thomas GOT_OBJECT_CACHE_TYPE_RAW);
693 8ab9215c 2021-10-15 thomas goto done;
695 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
696 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
697 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
699 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
700 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
701 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
706 aff6eea4 2020-10-20 stsp char *parent_path;
708 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
709 85f51bba 2018-07-16 stsp if (err == NULL)
711 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
713 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
714 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
717 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
720 aff6eea4 2020-10-20 stsp free(repo_path);
721 aff6eea4 2020-10-20 stsp repo_path = parent_path;
724 257add31 2020-09-09 stsp err = read_gotconfig(repo);
728 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
731 aba9c984 2019-09-08 stsp if (repo->gitconfig_repository_format_version != 0)
732 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
733 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
734 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
735 20b7abb3 2020-10-22 stsp int j, supported = 0;
736 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
737 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
738 20b7abb3 2020-10-22 stsp supported = 1;
742 20b7abb3 2020-10-22 stsp if (!supported) {
743 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
749 5c2f5761 2018-09-19 stsp got_repo_close(repo);
751 85f51bba 2018-07-16 stsp *repop = repo;
752 aff6eea4 2020-10-20 stsp free(repo_path);
753 92af5469 2017-11-05 stsp return err;
756 ad242220 2018-09-08 stsp const struct got_error *
757 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
759 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
760 0be8fa4c 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
763 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
764 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
766 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
769 cfe41121 2021-10-16 thomas while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
770 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters))) {
771 cfe41121 2021-10-16 thomas RB_REMOVE(got_packidx_bloom_filter_tree,
772 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
773 4545b700 2021-10-15 thomas free(bf->bloom);
774 4545b700 2021-10-15 thomas free(bf);
777 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
778 7e656b93 2018-03-17 stsp if (repo->packs[i].path_packfile == NULL)
780 7e656b93 2018-03-17 stsp got_pack_close(&repo->packs[i]);
783 4027f31a 2017-11-04 stsp free(repo->path);
784 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
786 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
787 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
788 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
789 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
790 8ab9215c 2021-10-15 thomas got_object_cache_close(&repo->rawcache);
792 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
793 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
795 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
796 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
797 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
798 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
799 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
800 ad242220 2018-09-08 stsp if (child_err && err == NULL)
801 ad242220 2018-09-08 stsp err = child_err;
802 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
803 3a6ce05a 2019-02-11 stsp err == NULL)
804 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
807 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
808 1d0f4054 2021-06-17 stsp err == NULL)
809 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
811 50b0790e 2020-09-11 stsp if (repo->gotconfig)
812 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
813 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
814 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
815 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
816 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
817 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
818 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
819 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
820 20b7abb3 2020-10-22 stsp free(repo->extensions);
821 4027f31a 2017-11-04 stsp free(repo);
823 ad242220 2018-09-08 stsp return err;
827 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
831 b8adfa55 2020-09-25 stsp free(repo->name);
832 b8adfa55 2020-09-25 stsp repo->name = NULL;
833 6480c871 2021-08-30 stsp free(repo->fetch_url);
834 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
835 6480c871 2021-08-30 stsp free(repo->send_url);
836 6480c871 2021-08-30 stsp repo->send_url = NULL;
837 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
838 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
839 6480c871 2021-08-30 stsp free(repo->fetch_branches);
840 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
841 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
842 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
843 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
844 6480c871 2021-08-30 stsp free(repo->send_branches);
845 6480c871 2021-08-30 stsp repo->send_branches = NULL;
846 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
849 04ca23f4 2018-07-16 stsp const struct got_error *
850 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
851 8fa913ec 2020-11-14 stsp const char *input_path)
853 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
854 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
855 e83c0634 2020-01-27 stsp size_t repolen, len;
856 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
858 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
860 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
861 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
862 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
865 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
869 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
871 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
872 23721109 2018-10-22 stsp path = strdup(canonpath);
873 b70703ad 2019-03-18 stsp if (path == NULL) {
874 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
878 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
879 04ca23f4 2018-07-16 stsp if (path == NULL) {
880 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
881 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
886 b70703ad 2019-03-18 stsp * Path is not on disk.
887 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
889 b70703ad 2019-03-18 stsp path = strdup(canonpath);
890 b70703ad 2019-03-18 stsp if (path == NULL) {
891 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
896 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
897 04ca23f4 2018-07-16 stsp len = strlen(path);
900 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
901 04ca23f4 2018-07-16 stsp free(path);
902 04ca23f4 2018-07-16 stsp path = strdup("");
903 04ca23f4 2018-07-16 stsp if (path == NULL) {
904 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
907 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
908 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
909 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
910 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
912 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
913 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
915 abc59930 2021-09-05 naddy free(path);
916 abc59930 2021-09-05 naddy path = canonpath;
917 abc59930 2021-09-05 naddy canonpath = NULL;
919 04ca23f4 2018-07-16 stsp char *child;
920 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
921 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
922 04ca23f4 2018-07-16 stsp repo_abspath, path);
925 04ca23f4 2018-07-16 stsp free(path);
926 04ca23f4 2018-07-16 stsp path = child;
930 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
931 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
933 abc59930 2021-09-05 naddy free(path);
934 abc59930 2021-09-05 naddy path = canonpath;
935 abc59930 2021-09-05 naddy canonpath = NULL;
939 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
940 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
941 04ca23f4 2018-07-16 stsp char *abspath;
942 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
943 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
946 04ca23f4 2018-07-16 stsp free(path);
947 04ca23f4 2018-07-16 stsp path = abspath;
951 04ca23f4 2018-07-16 stsp free(canonpath);
953 04ca23f4 2018-07-16 stsp free(path);
955 04ca23f4 2018-07-16 stsp *in_repo_path = path;
956 1510f469 2018-09-09 stsp return err;
959 e1a68182 2020-01-07 stsp static const struct got_error *
960 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
961 e1a68182 2020-01-07 stsp const char *path_packidx)
963 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
966 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
967 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
969 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
970 e1a68182 2020-01-07 stsp path_packidx) == 0) {
971 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
974 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
975 3333aec6 2021-10-15 thomas i = repo->pack_cache_size - 1;
976 3333aec6 2021-10-15 thomas err = got_packidx_close(repo->packidx_cache[i]);
978 1510f469 2018-09-09 stsp return err;
981 3333aec6 2021-10-15 thomas repo->packidx_cache[i] = packidx;
983 1510f469 2018-09-09 stsp return NULL;
987 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
989 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
992 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
995 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
996 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
999 4545b700 2021-10-15 thomas return 1;
1002 cfe41121 2021-10-16 thomas static struct got_packidx_bloom_filter *
1003 cfe41121 2021-10-16 thomas get_packidx_bloom_filter(struct got_repository *repo,
1004 cfe41121 2021-10-16 thomas const char *path, size_t path_len)
1006 cfe41121 2021-10-16 thomas struct got_packidx_bloom_filter key;
1008 cfe41121 2021-10-16 thomas if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
1009 cfe41121 2021-10-16 thomas return NULL; /* XXX */
1010 cfe41121 2021-10-16 thomas key.path_len = path_len;
1012 cfe41121 2021-10-16 thomas return RB_FIND(got_packidx_bloom_filter_tree,
1013 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, &key);
1017 f9c2e8e5 2022-02-13 thomas got_repo_check_packidx_bloom_filter(struct got_repository *repo,
1018 4545b700 2021-10-15 thomas const char *path_packidx, struct got_object_id *id)
1020 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1022 cfe41121 2021-10-16 thomas bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
1024 cfe41121 2021-10-16 thomas return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
1026 4545b700 2021-10-15 thomas /* No bloom filter means this pack index must be searched. */
1030 4545b700 2021-10-15 thomas static const struct got_error *
1031 4545b700 2021-10-15 thomas add_packidx_bloom_filter(struct got_repository *repo,
1032 4545b700 2021-10-15 thomas struct got_packidx *packidx, const char *path_packidx)
1034 4545b700 2021-10-15 thomas int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1035 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1036 4545b700 2021-10-15 thomas size_t len;
1039 4545b700 2021-10-15 thomas * Don't use bloom filters for very large pack index files.
1040 4545b700 2021-10-15 thomas * Large pack files will contain a relatively large fraction
1041 4545b700 2021-10-15 thomas * of our objects so we will likely need to visit them anyway.
1042 4545b700 2021-10-15 thomas * The more objects a pack file contains the higher the probability
1043 4545b700 2021-10-15 thomas * of a false-positive match from the bloom filter. And reading
1044 4545b700 2021-10-15 thomas * all object IDs from a large pack index file can be expensive.
1046 4545b700 2021-10-15 thomas if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1047 4545b700 2021-10-15 thomas return NULL;
1049 4545b700 2021-10-15 thomas /* Do we already have a filter for this pack index? */
1050 cfe41121 2021-10-16 thomas if (get_packidx_bloom_filter(repo, path_packidx,
1051 cfe41121 2021-10-16 thomas strlen(path_packidx)) != NULL)
1052 cfe41121 2021-10-16 thomas return NULL;
1054 4545b700 2021-10-15 thomas bf = calloc(1, sizeof(*bf));
1055 4545b700 2021-10-15 thomas if (bf == NULL)
1056 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1057 4545b700 2021-10-15 thomas bf->bloom = calloc(1, sizeof(*bf->bloom));
1058 4545b700 2021-10-15 thomas if (bf->bloom == NULL) {
1059 4545b700 2021-10-15 thomas free(bf);
1060 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1063 cfe41121 2021-10-16 thomas len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1064 cfe41121 2021-10-16 thomas if (len >= sizeof(bf->path)) {
1065 4545b700 2021-10-15 thomas free(bf->bloom);
1066 4545b700 2021-10-15 thomas free(bf);
1067 4545b700 2021-10-15 thomas return got_error(GOT_ERR_NO_SPACE);
1069 cfe41121 2021-10-16 thomas bf->path_len = len;
1071 4545b700 2021-10-15 thomas /* Minimum size supported by our bloom filter is 1000 entries. */
1072 4545b700 2021-10-15 thomas bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1073 4545b700 2021-10-15 thomas for (i = 0; i < nobjects; i++) {
1074 4545b700 2021-10-15 thomas struct got_packidx_object_id *id;
1075 4545b700 2021-10-15 thomas id = &packidx->hdr.sorted_ids[i];
1076 4545b700 2021-10-15 thomas bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1079 cfe41121 2021-10-16 thomas RB_INSERT(got_packidx_bloom_filter_tree,
1080 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
1081 4545b700 2021-10-15 thomas return NULL;
1084 1510f469 2018-09-09 stsp const struct got_error *
1085 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1086 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
1088 1510f469 2018-09-09 stsp const struct got_error *err;
1089 6d5a9006 2020-12-16 yzhong DIR *packdir = NULL;
1090 1510f469 2018-09-09 stsp struct dirent *dent;
1091 1510f469 2018-09-09 stsp char *path_packidx;
1093 6d5a9006 2020-12-16 yzhong int packdir_fd;
1095 1510f469 2018-09-09 stsp /* Search pack index cache. */
1096 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1097 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1099 f9c2e8e5 2022-02-13 thomas if (!got_repo_check_packidx_bloom_filter(repo,
1100 4545b700 2021-10-15 thomas repo->packidx_cache[i]->path_packidx, id))
1101 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1102 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1103 1510f469 2018-09-09 stsp if (*idx != -1) {
1104 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
1106 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
1107 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
1109 87c1ed2b 2020-01-07 stsp if (i > 0) {
1110 3333aec6 2021-10-15 thomas memmove(&repo->packidx_cache[1],
1111 3333aec6 2021-10-15 thomas &repo->packidx_cache[0],
1112 3333aec6 2021-10-15 thomas i * sizeof(repo->packidx_cache[0]));
1113 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
1115 1510f469 2018-09-09 stsp return NULL;
1118 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
1120 6d5a9006 2020-12-16 yzhong packdir_fd = openat(got_repo_get_fd(repo),
1121 fc63f50d 2021-12-31 thomas GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1122 6d5a9006 2020-12-16 yzhong if (packdir_fd == -1) {
1123 b90deaa1 2019-07-27 stsp if (errno == ENOENT)
1124 b90deaa1 2019-07-27 stsp err = got_error_no_obj(id);
1126 6d5a9006 2020-12-16 yzhong err = got_error_from_errno_fmt("openat: %s/%s",
1127 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo),
1128 6d5a9006 2020-12-16 yzhong GOT_OBJECTS_PACK_DIR);
1129 1510f469 2018-09-09 stsp goto done;
1132 6d5a9006 2020-12-16 yzhong packdir = fdopendir(packdir_fd);
1133 6d5a9006 2020-12-16 yzhong if (packdir == NULL) {
1134 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("fdopendir");
1135 6d5a9006 2020-12-16 yzhong goto done;
1138 1510f469 2018-09-09 stsp while ((dent = readdir(packdir)) != NULL) {
1139 e1a68182 2020-01-07 stsp int is_cached = 0;
1141 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
1142 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
1145 6d5a9006 2020-12-16 yzhong if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1146 1510f469 2018-09-09 stsp dent->d_name) == -1) {
1147 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1148 1510f469 2018-09-09 stsp goto done;
1151 f9c2e8e5 2022-02-13 thomas if (!got_repo_check_packidx_bloom_filter(repo,
1152 f9c2e8e5 2022-02-13 thomas path_packidx, id)) {
1153 4545b700 2021-10-15 thomas free(path_packidx);
1154 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1157 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1158 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1160 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1161 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1162 e1a68182 2020-01-07 stsp is_cached = 1;
1166 e1a68182 2020-01-07 stsp if (is_cached) {
1167 e1a68182 2020-01-07 stsp free(path_packidx);
1168 e1a68182 2020-01-07 stsp continue; /* already searched */
1171 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1172 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1173 e1a68182 2020-01-07 stsp if (err) {
1174 e1a68182 2020-01-07 stsp free(path_packidx);
1175 e1a68182 2020-01-07 stsp goto done;
1178 4545b700 2021-10-15 thomas err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1179 4545b700 2021-10-15 thomas if (err) {
1180 4545b700 2021-10-15 thomas free(path_packidx);
1181 4545b700 2021-10-15 thomas goto done;
1184 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1185 1510f469 2018-09-09 stsp free(path_packidx);
1187 1510f469 2018-09-09 stsp goto done;
1189 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1190 1510f469 2018-09-09 stsp if (*idx != -1) {
1191 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1192 1510f469 2018-09-09 stsp goto done;
1196 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1198 d69bcdf7 2019-06-28 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1199 638f9024 2019-05-13 stsp err = got_error_from_errno("closedir");
1200 04ca23f4 2018-07-16 stsp return err;
1203 f9c2e8e5 2022-02-13 thomas const struct got_error *
1204 f9c2e8e5 2022-02-13 thomas got_repo_list_packidx(struct got_pathlist_head *packidx_paths,
1205 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
1207 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
1208 f9c2e8e5 2022-02-13 thomas DIR *packdir = NULL;
1209 f9c2e8e5 2022-02-13 thomas struct dirent *dent;
1210 f9c2e8e5 2022-02-13 thomas char *path_packidx = NULL;
1211 f9c2e8e5 2022-02-13 thomas int packdir_fd;
1213 f9c2e8e5 2022-02-13 thomas packdir_fd = openat(got_repo_get_fd(repo),
1214 f9c2e8e5 2022-02-13 thomas GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1215 f9c2e8e5 2022-02-13 thomas if (packdir_fd == -1) {
1216 f9c2e8e5 2022-02-13 thomas return got_error_from_errno_fmt("openat: %s/%s",
1217 f9c2e8e5 2022-02-13 thomas got_repo_get_path_git_dir(repo),
1218 f9c2e8e5 2022-02-13 thomas GOT_OBJECTS_PACK_DIR);
1221 f9c2e8e5 2022-02-13 thomas packdir = fdopendir(packdir_fd);
1222 f9c2e8e5 2022-02-13 thomas if (packdir == NULL) {
1223 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fdopendir");
1224 f9c2e8e5 2022-02-13 thomas goto done;
1227 f9c2e8e5 2022-02-13 thomas while ((dent = readdir(packdir)) != NULL) {
1228 9389bcf6 2022-02-13 thomas if (!got_repo_is_packidx_filename(dent->d_name,
1229 9389bcf6 2022-02-13 thomas strlen(dent->d_name)))
1230 f9c2e8e5 2022-02-13 thomas continue;
1232 f9c2e8e5 2022-02-13 thomas if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1233 f9c2e8e5 2022-02-13 thomas dent->d_name) == -1) {
1234 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("asprintf");
1235 f9c2e8e5 2022-02-13 thomas path_packidx = NULL;
1239 f9c2e8e5 2022-02-13 thomas err = got_pathlist_append(packidx_paths, path_packidx, NULL);
1240 f9c2e8e5 2022-02-13 thomas if (err)
1244 f9c2e8e5 2022-02-13 thomas if (err)
1245 f9c2e8e5 2022-02-13 thomas free(path_packidx);
1246 f9c2e8e5 2022-02-13 thomas if (packdir && closedir(packdir) != 0 && err == NULL)
1247 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("closedir");
1248 f9c2e8e5 2022-02-13 thomas return err;
1251 f9c2e8e5 2022-02-13 thomas const struct got_error *
1252 f9c2e8e5 2022-02-13 thomas got_repo_get_packidx(struct got_packidx **packidx, const char *path_packidx,
1253 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
1255 f9c2e8e5 2022-02-13 thomas const struct got_error *err;
1256 f9c2e8e5 2022-02-13 thomas size_t i;
1258 f9c2e8e5 2022-02-13 thomas *packidx = NULL;
1260 f9c2e8e5 2022-02-13 thomas /* Search pack index cache. */
1261 f9c2e8e5 2022-02-13 thomas for (i = 0; i < repo->pack_cache_size; i++) {
1262 f9c2e8e5 2022-02-13 thomas if (repo->packidx_cache[i] == NULL)
1264 f9c2e8e5 2022-02-13 thomas if (strcmp(repo->packidx_cache[i]->path_packidx,
1265 f9c2e8e5 2022-02-13 thomas path_packidx) == 0) {
1266 f9c2e8e5 2022-02-13 thomas *packidx = repo->packidx_cache[i];
1267 f9c2e8e5 2022-02-13 thomas return NULL;
1270 f9c2e8e5 2022-02-13 thomas /* No luck. Search the filesystem. */
1272 f9c2e8e5 2022-02-13 thomas err = got_packidx_open(packidx, got_repo_get_fd(repo),
1273 f9c2e8e5 2022-02-13 thomas path_packidx, 0);
1274 f9c2e8e5 2022-02-13 thomas if (err)
1275 f9c2e8e5 2022-02-13 thomas return err;
1277 f9c2e8e5 2022-02-13 thomas err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1278 f9c2e8e5 2022-02-13 thomas if (err)
1279 f9c2e8e5 2022-02-13 thomas goto done;
1281 f9c2e8e5 2022-02-13 thomas err = cache_packidx(repo, *packidx, path_packidx);
1283 f9c2e8e5 2022-02-13 thomas if (err) {
1284 f9c2e8e5 2022-02-13 thomas got_packidx_close(*packidx);
1285 f9c2e8e5 2022-02-13 thomas *packidx = NULL;
1287 f9c2e8e5 2022-02-13 thomas return err;
1290 1510f469 2018-09-09 stsp static const struct got_error *
1291 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1293 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1294 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1295 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1296 1510f469 2018-09-09 stsp ssize_t n;
1298 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1299 1510f469 2018-09-09 stsp if (n < 0)
1300 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1301 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1302 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1304 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1305 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1306 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1307 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1309 1510f469 2018-09-09 stsp return err;
1312 1510f469 2018-09-09 stsp static const struct got_error *
1313 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1314 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1316 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1318 fc63f50d 2021-12-31 thomas *fd = openat(got_repo_get_fd(repo), relpath,
1319 fc63f50d 2021-12-31 thomas O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
1320 1510f469 2018-09-09 stsp if (*fd == -1)
1321 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1322 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1324 1510f469 2018-09-09 stsp if (packidx) {
1325 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1326 1510f469 2018-09-09 stsp if (err) {
1327 1510f469 2018-09-09 stsp close(*fd);
1332 1510f469 2018-09-09 stsp return err;
1335 1510f469 2018-09-09 stsp const struct got_error *
1336 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1337 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1339 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1340 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1341 ff563a3d 2019-05-23 stsp struct stat sb;
1344 1510f469 2018-09-09 stsp if (packp)
1345 1510f469 2018-09-09 stsp *packp = NULL;
1347 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1348 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1349 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1351 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1352 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1355 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1356 1510f469 2018-09-09 stsp err = got_pack_close(&repo->packs[i - 1]);
1358 1510f469 2018-09-09 stsp return err;
1359 1510f469 2018-09-09 stsp memmove(&repo->packs[1], &repo->packs[0],
1360 1510f469 2018-09-09 stsp sizeof(repo->packs) - sizeof(repo->packs[0]));
1364 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1366 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1367 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1368 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1369 1510f469 2018-09-09 stsp goto done;
1372 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1374 1510f469 2018-09-09 stsp goto done;
1376 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1377 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1378 1510f469 2018-09-09 stsp goto done;
1380 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1382 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1384 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1385 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1386 1510f469 2018-09-09 stsp pack->fd, 0);
1387 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1388 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1389 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1390 3a11398b 2019-02-21 stsp goto done;
1392 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1396 1510f469 2018-09-09 stsp if (err) {
1397 1510f469 2018-09-09 stsp if (pack) {
1398 1510f469 2018-09-09 stsp free(pack->path_packfile);
1399 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1401 1510f469 2018-09-09 stsp } else if (packp)
1402 1510f469 2018-09-09 stsp *packp = pack;
1403 1510f469 2018-09-09 stsp return err;
1406 1510f469 2018-09-09 stsp struct got_pack *
1407 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1409 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1412 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1413 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1414 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1416 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1417 1510f469 2018-09-09 stsp return pack;
1420 2c7829a4 2019-06-17 stsp return NULL;
1423 2c7829a4 2019-06-17 stsp const struct got_error *
1424 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1426 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1427 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1428 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1429 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1430 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1432 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1433 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1434 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1435 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1436 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1437 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1438 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1439 2c7829a4 2019-06-17 stsp char *path;
1442 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1443 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1445 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1446 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1447 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1449 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1450 2c7829a4 2019-06-17 stsp free(path);
1452 2c7829a4 2019-06-17 stsp return err;
1455 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1456 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1457 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1458 2c7829a4 2019-06-17 stsp free(path);
1460 2c7829a4 2019-06-17 stsp return err;
1462 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1463 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1464 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1465 2c7829a4 2019-06-17 stsp free(path);
1467 2c7829a4 2019-06-17 stsp return err;
1469 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1470 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1471 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1472 2c7829a4 2019-06-17 stsp free(path);
1474 2c7829a4 2019-06-17 stsp return err;
1476 1510f469 2018-09-09 stsp return NULL;
1479 e09a504c 2019-06-28 stsp static const struct got_error *
1480 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1481 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1483 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1484 6d5a9006 2020-12-16 yzhong DIR *packdir = NULL;
1485 e09a504c 2019-06-28 stsp struct dirent *dent;
1486 e09a504c 2019-06-28 stsp char *path_packidx;
1487 dd88155e 2019-06-29 stsp struct got_object_id_queue matched_ids;
1488 6d5a9006 2020-12-16 yzhong int packdir_fd;
1490 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1492 6d5a9006 2020-12-16 yzhong packdir_fd = openat(got_repo_get_fd(repo),
1493 fc63f50d 2021-12-31 thomas GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1494 6d5a9006 2020-12-16 yzhong if (packdir_fd == -1) {
1495 48b4f239 2021-12-31 thomas if (errno != ENOENT) {
1496 48b4f239 2021-12-31 thomas err = got_error_from_errno2("openat",
1497 48b4f239 2021-12-31 thomas GOT_OBJECTS_PACK_DIR);
1499 6d5a9006 2020-12-16 yzhong goto done;
1502 6d5a9006 2020-12-16 yzhong packdir = fdopendir(packdir_fd);
1503 6d5a9006 2020-12-16 yzhong if (packdir == NULL) {
1504 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("fdopendir");
1505 e09a504c 2019-06-28 stsp goto done;
1508 e09a504c 2019-06-28 stsp while ((dent = readdir(packdir)) != NULL) {
1509 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1510 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1512 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
1513 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
1516 6d5a9006 2020-12-16 yzhong if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1517 e09a504c 2019-06-28 stsp dent->d_name) == -1) {
1518 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("strdup");
1522 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1523 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1524 e09a504c 2019-06-28 stsp free(path_packidx);
1528 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1529 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1530 4277420a 2019-06-29 stsp if (err) {
1531 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1534 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1538 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &matched_ids, entry) {
1539 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1540 dd88155e 2019-06-29 stsp int matched_type;
1541 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1544 dd88155e 2019-06-29 stsp goto done;
1545 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1548 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1549 dd88155e 2019-06-29 stsp *unique_id = got_object_id_dup(qid->id);
1550 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1551 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1552 dd88155e 2019-06-29 stsp goto done;
1555 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, qid->id) == 0)
1556 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1557 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1558 561c3678 2019-07-02 stsp goto done;
1563 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1564 e09a504c 2019-06-28 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1565 e09a504c 2019-06-28 stsp err = got_error_from_errno("closedir");
1566 e09a504c 2019-06-28 stsp if (err) {
1567 e09a504c 2019-06-28 stsp free(*unique_id);
1568 e09a504c 2019-06-28 stsp *unique_id = NULL;
1570 e09a504c 2019-06-28 stsp return err;
1573 e09a504c 2019-06-28 stsp static const struct got_error *
1574 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1575 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1576 e09a504c 2019-06-28 stsp struct got_repository *repo)
1578 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1579 e09a504c 2019-06-28 stsp char *path;
1580 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1581 e09a504c 2019-06-28 stsp struct dirent *dent;
1582 e09a504c 2019-06-28 stsp struct got_object_id id;
1584 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1585 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1586 e09a504c 2019-06-28 stsp goto done;
1589 e09a504c 2019-06-28 stsp dir = opendir(path);
1590 e09a504c 2019-06-28 stsp if (dir == NULL) {
1591 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1592 4277420a 2019-06-29 stsp err = NULL;
1593 4277420a 2019-06-29 stsp goto done;
1595 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1596 e09a504c 2019-06-28 stsp goto done;
1598 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1599 e09a504c 2019-06-28 stsp char *id_str;
1602 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1603 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1606 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1607 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1608 e09a504c 2019-06-28 stsp goto done;
1611 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1615 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1616 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1618 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1619 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1620 e09a504c 2019-06-28 stsp free(id_str);
1624 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1625 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1626 dd88155e 2019-06-29 stsp int matched_type;
1627 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1630 dd88155e 2019-06-29 stsp goto done;
1631 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1634 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1635 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1636 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1637 e09a504c 2019-06-28 stsp free(id_str);
1638 e09a504c 2019-06-28 stsp goto done;
1641 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1642 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1643 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1644 e09a504c 2019-06-28 stsp free(id_str);
1645 e09a504c 2019-06-28 stsp goto done;
1649 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1650 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1651 e09a504c 2019-06-28 stsp if (err) {
1652 e09a504c 2019-06-28 stsp free(*unique_id);
1653 e09a504c 2019-06-28 stsp *unique_id = NULL;
1655 e09a504c 2019-06-28 stsp free(path);
1656 e09a504c 2019-06-28 stsp return err;
1659 e09a504c 2019-06-28 stsp const struct got_error *
1660 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1661 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1663 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1664 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1665 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1666 e09a504c 2019-06-28 stsp size_t len;
1669 4277420a 2019-06-29 stsp *id = NULL;
1671 70e6418e 2022-03-10 thomas len = strlen(id_str_prefix);
1672 70e6418e 2022-03-10 thomas if (len > SHA1_DIGEST_STRING_LENGTH - 1)
1673 70e6418e 2022-03-10 thomas return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1675 70e6418e 2022-03-10 thomas for (i = 0; i < len; i++) {
1676 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1678 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1681 e09a504c 2019-06-28 stsp if (len >= 2) {
1682 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1684 83c8b3b8 2019-06-29 stsp goto done;
1685 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1686 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1687 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1688 83c8b3b8 2019-06-29 stsp goto done;
1690 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1691 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1692 e09a504c 2019-06-28 stsp } else if (len == 1) {
1694 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1695 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1697 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1698 83c8b3b8 2019-06-29 stsp goto done;
1700 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1701 dd88155e 2019-06-29 stsp obj_type);
1703 83c8b3b8 2019-06-29 stsp goto done;
1704 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1705 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1707 83c8b3b8 2019-06-29 stsp goto done;
1710 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1711 83c8b3b8 2019-06-29 stsp goto done;
1714 e09a504c 2019-06-28 stsp free(object_dir);
1715 4277420a 2019-06-29 stsp if (err) {
1716 4277420a 2019-06-29 stsp free(*id);
1717 4277420a 2019-06-29 stsp *id = NULL;
1718 a3599220 2021-10-10 thomas } else if (*id == NULL) {
1719 a3599220 2021-10-10 thomas switch (obj_type) {
1720 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_BLOB:
1721 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1722 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_BLOB, id_str_prefix);
1724 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TREE:
1725 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1726 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TREE, id_str_prefix);
1728 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_COMMIT:
1729 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1730 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_COMMIT, id_str_prefix);
1732 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TAG:
1733 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1734 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TAG, id_str_prefix);
1736 a3599220 2021-10-10 thomas default:
1737 a3599220 2021-10-10 thomas err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1742 303e2782 2019-08-09 stsp return err;
1745 303e2782 2019-08-09 stsp const struct got_error *
1746 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1747 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1748 71a27632 2020-01-15 stsp struct got_repository *repo)
1750 71a27632 2020-01-15 stsp const struct got_error *err;
1751 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1752 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1754 71a27632 2020-01-15 stsp *id = NULL;
1755 71a27632 2020-01-15 stsp if (label)
1756 71a27632 2020-01-15 stsp *label = NULL;
1758 84de9106 2020-12-26 stsp if (refs) {
1759 f1165c79 2021-10-10 thomas err = got_repo_object_match_tag(&tag, id_str, obj_type,
1760 84de9106 2020-12-26 stsp refs, repo);
1761 71a27632 2020-01-15 stsp if (err == NULL) {
1762 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1763 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1764 71a27632 2020-01-15 stsp if (*id == NULL)
1765 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1766 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1767 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1768 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1769 71a27632 2020-01-15 stsp free(*id);
1770 71a27632 2020-01-15 stsp *id = NULL;
1772 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1773 71a27632 2020-01-15 stsp return err;
1774 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1775 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1776 71a27632 2020-01-15 stsp return err;
1779 71a27632 2020-01-15 stsp err = got_repo_match_object_id_prefix(id, id_str, obj_type, repo);
1780 71a27632 2020-01-15 stsp if (err) {
1781 71a27632 2020-01-15 stsp if (err->code != GOT_ERR_BAD_OBJ_ID_STR)
1782 71a27632 2020-01-15 stsp return err;
1783 71a27632 2020-01-15 stsp err = got_ref_open(&ref, repo, id_str, 0);
1784 71a27632 2020-01-15 stsp if (err != NULL)
1785 71a27632 2020-01-15 stsp goto done;
1786 71a27632 2020-01-15 stsp if (label) {
1787 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1788 71a27632 2020-01-15 stsp if (*label == NULL) {
1789 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1790 71a27632 2020-01-15 stsp goto done;
1793 71a27632 2020-01-15 stsp err = got_ref_resolve(id, repo, ref);
1794 71a27632 2020-01-15 stsp } else if (label) {
1795 71a27632 2020-01-15 stsp err = got_object_id_str(label, *id);
1796 71a27632 2020-01-15 stsp if (*label == NULL) {
1797 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1798 71a27632 2020-01-15 stsp goto done;
1803 71a27632 2020-01-15 stsp got_ref_close(ref);
1804 71a27632 2020-01-15 stsp return err;
1807 71a27632 2020-01-15 stsp const struct got_error *
1808 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1809 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1811 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1812 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1813 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1814 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1816 303e2782 2019-08-09 stsp *tag = NULL;
1818 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1819 303e2782 2019-08-09 stsp const char *refname;
1820 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1821 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1823 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1825 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1826 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1827 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1829 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1832 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1833 303e2782 2019-08-09 stsp free(tag_id);
1836 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1837 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1839 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1840 303e2782 2019-08-09 stsp *tag = NULL;
1843 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1844 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1845 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TAG, name);
1846 e09a504c 2019-06-28 stsp return err;
1849 3ce1b845 2019-07-15 stsp static const struct got_error *
1850 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1851 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1853 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1855 3ce1b845 2019-07-15 stsp *new_te = NULL;
1857 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1858 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1859 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1861 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1862 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1863 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1864 3ce1b845 2019-07-15 stsp goto done;
1867 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1868 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1870 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1871 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1873 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1875 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1876 56e0773d 2019-11-28 stsp free(*new_te);
1877 3ce1b845 2019-07-15 stsp *new_te = NULL;
1879 3ce1b845 2019-07-15 stsp return err;
1882 3ce1b845 2019-07-15 stsp static const struct got_error *
1883 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1884 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1886 3ce1b845 2019-07-15 stsp const struct got_error *err;
1887 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1888 3ce1b845 2019-07-15 stsp char *filepath;
1889 3ce1b845 2019-07-15 stsp struct stat sb;
1891 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1892 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1893 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1895 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1896 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1897 3ce1b845 2019-07-15 stsp goto done;
1900 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1902 3ce1b845 2019-07-15 stsp goto done;
1904 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1907 3ce1b845 2019-07-15 stsp free(filepath);
1909 3ce1b845 2019-07-15 stsp free(blob_id);
1910 3ce1b845 2019-07-15 stsp return err;
1913 3ce1b845 2019-07-15 stsp static const struct got_error *
1914 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1915 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1917 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1918 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
1920 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
1922 3ce1b845 2019-07-15 stsp return err;
1923 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
1924 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
1925 3ce1b845 2019-07-15 stsp return NULL;
1928 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
1929 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
1930 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
1932 3ce1b845 2019-07-15 stsp static const struct got_error *
1933 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
1934 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
1935 3ce1b845 2019-07-15 stsp struct got_repository *repo,
1936 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1938 3ce1b845 2019-07-15 stsp const struct got_error *err;
1939 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
1940 3ce1b845 2019-07-15 stsp char *subdirpath;
1942 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
1943 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1944 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1946 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
1947 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
1948 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
1949 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
1950 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
1951 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1952 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1953 3ce1b845 2019-07-15 stsp goto done;
1955 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
1956 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1958 56e0773d 2019-11-28 stsp goto done;
1959 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
1963 3ce1b845 2019-07-15 stsp free(subdirpath);
1964 3ce1b845 2019-07-15 stsp if (err) {
1965 56e0773d 2019-11-28 stsp free(*new_te);
1966 3ce1b845 2019-07-15 stsp *new_te = NULL;
1968 3ce1b845 2019-07-15 stsp return err;
1971 3ce1b845 2019-07-15 stsp static const struct got_error *
1972 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
1973 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
1974 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1976 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1978 3ce1b845 2019-07-15 stsp struct dirent *de;
1979 56e0773d 2019-11-28 stsp int nentries;
1980 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
1981 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
1982 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
1984 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
1986 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
1988 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
1989 3ce1b845 2019-07-15 stsp if (dir == NULL) {
1990 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
1991 3ce1b845 2019-07-15 stsp goto done;
1994 56e0773d 2019-11-28 stsp nentries = 0;
1995 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
1996 3ce1b845 2019-07-15 stsp int ignore = 0;
1999 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
2000 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
2003 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
2004 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
2005 3ce1b845 2019-07-15 stsp ignore = 1;
2009 3ce1b845 2019-07-15 stsp if (ignore)
2012 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
2014 20ccae39 2020-07-21 stsp goto done;
2016 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
2017 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
2018 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
2019 db1d3576 2019-10-04 stsp if (err) {
2020 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
2021 db1d3576 2019-10-04 stsp goto done;
2022 db1d3576 2019-10-04 stsp err = NULL;
2025 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
2026 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
2028 3ce1b845 2019-07-15 stsp goto done;
2032 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
2034 3ce1b845 2019-07-15 stsp goto done;
2035 56e0773d 2019-11-28 stsp nentries++;
2038 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
2039 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
2040 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
2041 db1d3576 2019-10-04 stsp goto done;
2044 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
2045 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
2046 3ce1b845 2019-07-15 stsp char *path;
2047 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
2049 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
2050 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
2051 3ce1b845 2019-07-15 stsp goto done;
2053 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
2054 3ce1b845 2019-07-15 stsp free(path);
2056 3ce1b845 2019-07-15 stsp goto done;
2059 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
2062 3ce1b845 2019-07-15 stsp closedir(dir);
2063 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
2064 3ce1b845 2019-07-15 stsp return err;
2067 3ce1b845 2019-07-15 stsp const struct got_error *
2068 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
2069 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
2070 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
2071 3ce1b845 2019-07-15 stsp void *progress_arg)
2073 3ce1b845 2019-07-15 stsp const struct got_error *err;
2074 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
2076 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
2077 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2079 3ce1b845 2019-07-15 stsp return err;
2081 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
2082 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
2083 3ce1b845 2019-07-15 stsp free(new_tree_id);
2084 20662ea0 2021-04-10 stsp return err;
2087 20662ea0 2021-04-10 stsp const struct got_error *
2088 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
2089 20662ea0 2021-04-10 stsp struct got_repository *repo)
2091 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
2092 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
2093 20662ea0 2021-04-10 stsp DIR *dir = NULL;
2094 20662ea0 2021-04-10 stsp struct got_object_id id;
2097 20662ea0 2021-04-10 stsp *nobjects = 0;
2098 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2100 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
2101 20662ea0 2021-04-10 stsp if (path_objects == NULL)
2102 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
2104 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
2105 20662ea0 2021-04-10 stsp struct dirent *dent;
2107 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2108 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2112 20662ea0 2021-04-10 stsp dir = opendir(path);
2113 20662ea0 2021-04-10 stsp if (dir == NULL) {
2114 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
2115 20662ea0 2021-04-10 stsp err = NULL;
2118 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
2122 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
2123 20662ea0 2021-04-10 stsp char *id_str;
2125 20662ea0 2021-04-10 stsp struct stat sb;
2127 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
2128 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
2131 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2132 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2133 20662ea0 2021-04-10 stsp goto done;
2136 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
2137 20662ea0 2021-04-10 stsp free(id_str);
2140 20662ea0 2021-04-10 stsp free(id_str);
2142 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
2144 20662ea0 2021-04-10 stsp goto done;
2146 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
2147 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
2148 20662ea0 2021-04-10 stsp close(fd);
2149 20662ea0 2021-04-10 stsp goto done;
2151 20662ea0 2021-04-10 stsp (*nobjects)++;
2152 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
2154 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
2155 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
2156 20662ea0 2021-04-10 stsp goto done;
2160 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
2161 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2162 20662ea0 2021-04-10 stsp goto done;
2164 20662ea0 2021-04-10 stsp dir = NULL;
2166 20662ea0 2021-04-10 stsp free(path);
2167 20662ea0 2021-04-10 stsp path = NULL;
2170 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
2171 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2173 20662ea0 2021-04-10 stsp if (err) {
2174 20662ea0 2021-04-10 stsp *nobjects = 0;
2175 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2177 20662ea0 2021-04-10 stsp free(path_objects);
2178 20662ea0 2021-04-10 stsp free(path);
2179 3ce1b845 2019-07-15 stsp return err;
2182 20662ea0 2021-04-10 stsp const struct got_error *
2183 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2184 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
2186 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
2187 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
2188 20662ea0 2021-04-10 stsp struct dirent *dent;
2189 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
2190 20662ea0 2021-04-10 stsp char *path_packidx;
2191 20662ea0 2021-04-10 stsp char *path_packfile;
2192 20662ea0 2021-04-10 stsp int packdir_fd;
2193 20662ea0 2021-04-10 stsp struct stat sb;
2195 20662ea0 2021-04-10 stsp *npackfiles = 0;
2196 20662ea0 2021-04-10 stsp *nobjects = 0;
2197 20662ea0 2021-04-10 stsp *total_packsize = 0;
2199 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
2200 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2201 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
2202 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
2203 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
2204 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
2207 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
2208 20662ea0 2021-04-10 stsp if (packdir == NULL) {
2209 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
2210 20662ea0 2021-04-10 stsp goto done;
2213 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
2214 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
2215 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
2218 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2219 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
2220 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2221 20662ea0 2021-04-10 stsp goto done;
2224 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2225 20662ea0 2021-04-10 stsp path_packidx, 0);
2226 20662ea0 2021-04-10 stsp free(path_packidx);
2228 20662ea0 2021-04-10 stsp goto done;
2230 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
2231 20662ea0 2021-04-10 stsp goto done;
2232 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2234 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2235 aea75d87 2021-07-06 stsp packidx->path_packidx);
2237 20662ea0 2021-04-10 stsp goto done;
2239 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2240 20662ea0 2021-04-10 stsp 0) == -1) {
2241 20662ea0 2021-04-10 stsp free(path_packfile);
2242 20662ea0 2021-04-10 stsp goto done;
2244 20662ea0 2021-04-10 stsp free(path_packfile);
2245 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2247 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2249 20662ea0 2021-04-10 stsp (*npackfiles)++;
2251 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2252 20662ea0 2021-04-10 stsp packidx = NULL;
2255 20662ea0 2021-04-10 stsp if (packidx)
2256 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2257 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2258 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2259 20662ea0 2021-04-10 stsp if (err) {
2260 20662ea0 2021-04-10 stsp *npackfiles = 0;
2261 20662ea0 2021-04-10 stsp *nobjects = 0;
2262 20662ea0 2021-04-10 stsp *total_packsize = 0;
2264 20662ea0 2021-04-10 stsp return err;
2267 0be8fa4c 2021-10-15 thomas RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2268 0be8fa4c 2021-10-15 thomas got_packidx_bloom_filter_cmp);
