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"
47 bfb5ee0b 2022-05-31 thomas #include "got_opentemp.h"
49 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
50 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
51 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
52 3ce1b845 2019-07-15 stsp #include "got_lib_object_parse.h"
53 3ce1b845 2019-07-15 stsp #include "got_lib_object_create.h"
54 718b3ab0 2018-03-17 stsp #include "got_lib_pack.h"
55 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
56 e09a504c 2019-06-28 stsp #include "got_lib_sha1.h"
57 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
58 6bef87be 2018-09-11 stsp #include "got_lib_repository.h"
59 50b0790e 2020-09-11 stsp #include "got_lib_gotconfig.h"
61 79b11c62 2018-03-09 stsp #ifndef nitems
62 79b11c62 2018-03-09 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
65 7cd52833 2022-06-23 thomas #define GOT_PACK_NUM_TEMPFILES GOT_PACK_CACHE_SIZE * 2
67 0be8fa4c 2021-10-15 thomas RB_PROTOTYPE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
68 0be8fa4c 2021-10-15 thomas got_packidx_bloom_filter_cmp);
70 7839bc15 2019-01-06 stsp const char *
71 86c3caaf 2018-03-09 stsp got_repo_get_path(struct got_repository *repo)
73 7839bc15 2019-01-06 stsp return repo->path;
76 6e9da951 2019-01-06 stsp const char *
77 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
79 6e9da951 2019-01-06 stsp return repo->path_git_dir;
83 6d5a9006 2020-12-16 yzhong got_repo_get_fd(struct got_repository *repo)
85 6d5a9006 2020-12-16 yzhong return repo->gitdir_fd;
88 aba9c984 2019-09-08 stsp const char *
89 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_name(struct got_repository *repo)
91 aba9c984 2019-09-08 stsp return repo->gitconfig_author_name;
94 aba9c984 2019-09-08 stsp const char *
95 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_email(struct got_repository *repo)
97 aba9c984 2019-09-08 stsp return repo->gitconfig_author_email;
100 c9956ddf 2019-09-08 stsp const char *
101 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_name(struct got_repository *repo)
103 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_name;
106 c9956ddf 2019-09-08 stsp const char *
107 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_email(struct got_repository *repo)
109 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_email;
112 9a1cc63f 2020-02-03 stsp const char *
113 9a1cc63f 2020-02-03 stsp got_repo_get_gitconfig_owner(struct got_repository *repo)
115 9a1cc63f 2020-02-03 stsp return repo->gitconfig_owner;
119 9188bd78 2021-07-03 stsp got_repo_get_gitconfig_extensions(char ***extensions, int *nextensions,
120 9188bd78 2021-07-03 stsp struct got_repository *repo)
122 9188bd78 2021-07-03 stsp *extensions = repo->extensions;
123 9188bd78 2021-07-03 stsp *nextensions = repo->nextensions;
127 04ca23f4 2018-07-16 stsp got_repo_is_bare(struct got_repository *repo)
129 04ca23f4 2018-07-16 stsp return (strcmp(repo->path, repo->path_git_dir) == 0);
132 4027f31a 2017-11-04 stsp static char *
133 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
135 4027f31a 2017-11-04 stsp char *path_child;
137 4986b9d5 2018-03-12 stsp if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
138 4027f31a 2017-11-04 stsp basename) == -1)
139 4027f31a 2017-11-04 stsp return NULL;
141 4027f31a 2017-11-04 stsp return path_child;
145 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
147 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
151 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
153 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
157 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
159 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
163 fb79db15 2019-02-01 stsp got_repo_get_path_packed_refs(struct got_repository *repo)
165 fb79db15 2019-02-01 stsp return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
168 4027f31a 2017-11-04 stsp static char *
169 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
171 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
175 b46f3e71 2020-03-18 stsp got_repo_get_path_gitconfig(struct got_repository *repo)
177 b46f3e71 2020-03-18 stsp return get_path_git_child(repo, GOT_GITCONFIG);
181 257add31 2020-09-09 stsp got_repo_get_path_gotconfig(struct got_repository *repo)
183 50b0790e 2020-09-11 stsp return get_path_git_child(repo, GOT_GOTCONFIG_FILENAME);
186 50b0790e 2020-09-11 stsp const struct got_gotconfig *
187 50b0790e 2020-09-11 stsp got_repo_get_gotconfig(struct got_repository *repo)
189 50b0790e 2020-09-11 stsp return repo->gotconfig;
193 50b0790e 2020-09-11 stsp got_repo_get_gitconfig_remotes(int *nremotes,
194 50b0790e 2020-09-11 stsp const struct got_remote_repo **remotes, struct got_repository *repo)
196 50b0790e 2020-09-11 stsp *nremotes = repo->ngitconfig_remotes;
197 50b0790e 2020-09-11 stsp *remotes = repo->gitconfig_remotes;
201 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
203 6e9da951 2019-01-06 stsp const char *path_git = got_repo_get_path_git_dir(repo);
204 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
205 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
206 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
207 deeca238 2018-03-12 stsp int ret = 0;
208 deeca238 2018-03-12 stsp struct stat sb;
209 4847cca1 2018-03-12 stsp struct got_reference *head_ref;
211 deeca238 2018-03-12 stsp if (lstat(path_git, &sb) == -1)
213 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
216 deeca238 2018-03-12 stsp if (lstat(path_objects, &sb) == -1)
218 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
221 deeca238 2018-03-12 stsp if (lstat(path_refs, &sb) == -1)
223 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
226 deeca238 2018-03-12 stsp if (lstat(path_head, &sb) == -1)
228 deeca238 2018-03-12 stsp if (!S_ISREG(sb.st_mode))
231 4847cca1 2018-03-12 stsp /* Check if the HEAD reference can be opened. */
232 2f17228e 2019-05-12 stsp if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
234 4847cca1 2018-03-12 stsp got_ref_close(head_ref);
238 4027f31a 2017-11-04 stsp free(path_objects);
239 4027f31a 2017-11-04 stsp free(path_refs);
240 4027f31a 2017-11-04 stsp free(path_head);
241 4027f31a 2017-11-04 stsp return ret;
245 f6be5c30 2018-06-22 stsp const struct got_error *
246 7cd52833 2022-06-23 thomas got_repo_pack_fds_open(int **pack_fds)
248 7cd52833 2022-06-23 thomas const struct got_error *err = NULL;
249 7cd52833 2022-06-23 thomas int i, pack_fds_tmp[GOT_PACK_NUM_TEMPFILES];
251 7cd52833 2022-06-23 thomas *pack_fds = calloc(GOT_PACK_NUM_TEMPFILES, sizeof(**pack_fds));
252 7cd52833 2022-06-23 thomas if (*pack_fds == NULL)
253 7cd52833 2022-06-23 thomas return got_error_from_errno("calloc");
255 7cd52833 2022-06-23 thomas for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
256 7cd52833 2022-06-23 thomas pack_fds_tmp[i] = got_opentempfd();
257 7cd52833 2022-06-23 thomas if (pack_fds_tmp[i] == -1) {
258 7cd52833 2022-06-23 thomas err = got_repo_pack_fds_close(pack_fds_tmp);
260 7cd52833 2022-06-23 thomas return err;
262 7cd52833 2022-06-23 thomas return got_error_from_errno("got_opentempfd");
265 7cd52833 2022-06-23 thomas memcpy(*pack_fds, pack_fds_tmp, sizeof(pack_fds_tmp));
266 7cd52833 2022-06-23 thomas return err;
269 7cd52833 2022-06-23 thomas const struct got_error *
270 7cd52833 2022-06-23 thomas got_repo_pack_fds_close(int *pack_fds)
272 7cd52833 2022-06-23 thomas const struct got_error *err = NULL;
275 7cd52833 2022-06-23 thomas for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
276 7cd52833 2022-06-23 thomas if (pack_fds[i] == -1)
277 7cd52833 2022-06-23 thomas continue;
278 7cd52833 2022-06-23 thomas if (close(pack_fds[i]) == -1) {
279 7cd52833 2022-06-23 thomas err = got_error_from_errno("close");
283 7cd52833 2022-06-23 thomas free(pack_fds);
284 7cd52833 2022-06-23 thomas pack_fds = NULL;
285 7cd52833 2022-06-23 thomas return err;
288 7cd52833 2022-06-23 thomas const struct got_error *
289 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
290 f6be5c30 2018-06-22 stsp struct got_object *obj)
292 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
293 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
294 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
296 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
297 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
298 79c99a64 2019-05-23 stsp err = NULL;
299 f6be5c30 2018-06-22 stsp return err;
301 f6be5c30 2018-06-22 stsp obj->refcnt++;
303 f6be5c30 2018-06-22 stsp return NULL;
306 7bb0daa1 2018-06-21 stsp struct got_object *
307 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
308 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
310 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
313 4027f31a 2017-11-04 stsp const struct got_error *
314 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
315 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
317 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
318 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
319 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
321 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
322 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
323 79c99a64 2019-05-23 stsp err = NULL;
324 f6be5c30 2018-06-22 stsp return err;
326 f6be5c30 2018-06-22 stsp tree->refcnt++;
328 f6be5c30 2018-06-22 stsp return NULL;
331 f6be5c30 2018-06-22 stsp struct got_tree_object *
332 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
333 f6be5c30 2018-06-22 stsp struct got_object_id *id)
335 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
336 6bef87be 2018-09-11 stsp &repo->treecache, id);
339 1943de01 2018-06-22 stsp const struct got_error *
340 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
341 1943de01 2018-06-22 stsp struct got_commit_object *commit)
343 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
344 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
345 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
347 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
348 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
349 79c99a64 2019-05-23 stsp err = NULL;
350 1943de01 2018-06-22 stsp return err;
352 1943de01 2018-06-22 stsp commit->refcnt++;
354 f6be5c30 2018-06-22 stsp return NULL;
357 1943de01 2018-06-22 stsp struct got_commit_object *
358 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
359 1943de01 2018-06-22 stsp struct got_object_id *id)
361 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
362 6bef87be 2018-09-11 stsp &repo->commitcache, id);
365 f4a881ce 2018-11-17 stsp const struct got_error *
366 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
367 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
369 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
370 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
371 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
373 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
374 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
375 79c99a64 2019-05-23 stsp err = NULL;
376 f4a881ce 2018-11-17 stsp return err;
378 f4a881ce 2018-11-17 stsp tag->refcnt++;
380 f4a881ce 2018-11-17 stsp return NULL;
383 f4a881ce 2018-11-17 stsp struct got_tag_object *
384 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
386 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
387 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
390 8ab9215c 2021-10-15 thomas const struct got_error *
391 8ab9215c 2021-10-15 thomas got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
392 8ab9215c 2021-10-15 thomas struct got_raw_object *raw)
394 8ab9215c 2021-10-15 thomas #ifndef GOT_NO_OBJ_CACHE
395 8ab9215c 2021-10-15 thomas const struct got_error *err = NULL;
396 8ab9215c 2021-10-15 thomas err = got_object_cache_add(&repo->rawcache, id, raw);
397 8ab9215c 2021-10-15 thomas if (err) {
398 8ab9215c 2021-10-15 thomas if (err->code == GOT_ERR_OBJ_EXISTS ||
399 8ab9215c 2021-10-15 thomas err->code == GOT_ERR_OBJ_TOO_LARGE)
400 8ab9215c 2021-10-15 thomas err = NULL;
401 8ab9215c 2021-10-15 thomas return err;
403 8ab9215c 2021-10-15 thomas raw->refcnt++;
405 8ab9215c 2021-10-15 thomas return NULL;
409 8ab9215c 2021-10-15 thomas struct got_raw_object *
410 8ab9215c 2021-10-15 thomas got_repo_get_cached_raw_object(struct got_repository *repo,
411 8ab9215c 2021-10-15 thomas struct got_object_id *id)
413 8ab9215c 2021-10-15 thomas return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
417 991ff1aa 2021-06-15 tracey static const struct got_error *
418 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
420 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
422 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
424 85f51bba 2018-07-16 stsp /* bare git repository? */
425 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
426 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
427 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
428 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
429 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
430 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
431 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
432 6d5a9006 2020-12-16 yzhong goto done;
434 06340621 2021-12-31 thomas repo->gitdir_fd = open(repo->path_git_dir,
435 06340621 2021-12-31 thomas O_DIRECTORY | O_CLOEXEC);
436 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
437 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
438 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
441 85f51bba 2018-07-16 stsp return NULL;
444 85f51bba 2018-07-16 stsp /* git repository with working tree? */
445 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
446 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
447 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
448 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
451 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
452 85f51bba 2018-07-16 stsp repo->path = strdup(path);
453 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
454 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
457 06340621 2021-12-31 thomas repo->gitdir_fd = open(repo->path_git_dir,
458 06340621 2021-12-31 thomas O_DIRECTORY | O_CLOEXEC);
459 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
460 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
461 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
462 6d5a9006 2020-12-16 yzhong goto done;
464 85f51bba 2018-07-16 stsp return NULL;
467 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
470 ee645855 2019-02-05 stsp free(repo->path);
471 ee645855 2019-02-05 stsp repo->path = NULL;
472 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
473 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
474 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
475 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
476 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
479 aba9c984 2019-09-08 stsp return err;
482 aba9c984 2019-09-08 stsp static const struct got_error *
483 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
484 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
485 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
486 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
487 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
489 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
490 aba9c984 2019-09-08 stsp int fd = -1;
491 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
493 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
495 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
496 20b7abb3 2020-10-22 stsp if (extensions)
497 20b7abb3 2020-10-22 stsp *extensions = NULL;
498 20b7abb3 2020-10-22 stsp if (nextensions)
499 20b7abb3 2020-10-22 stsp *nextensions = 0;
500 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
501 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
502 2fb669fb 2020-03-20 stsp if (remotes)
503 2fb669fb 2020-03-20 stsp *remotes = NULL;
504 2fb669fb 2020-03-20 stsp if (nremotes)
505 2fb669fb 2020-03-20 stsp *nremotes = 0;
506 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
507 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
509 06340621 2021-12-31 thomas fd = open(gitconfig_path, O_RDONLY | O_CLOEXEC);
510 aba9c984 2019-09-08 stsp if (fd == -1) {
511 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
512 aba9c984 2019-09-08 stsp return NULL;
513 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
516 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
517 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
518 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
522 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
523 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
527 aba9c984 2019-09-08 stsp pid = fork();
528 aba9c984 2019-09-08 stsp if (pid == -1) {
529 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
531 aba9c984 2019-09-08 stsp } else if (pid == 0) {
532 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
533 c9956ddf 2019-09-08 stsp gitconfig_path);
534 aba9c984 2019-09-08 stsp /* not reached */
537 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
538 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
541 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
542 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
544 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
549 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
553 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
554 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
558 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
559 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
563 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
566 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
568 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
569 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
570 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
573 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
575 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
579 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
584 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
588 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
592 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
596 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
600 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
601 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
605 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
606 cd95becd 2019-11-29 stsp nremotes, ibuf);
611 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
612 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
615 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
620 aba9c984 2019-09-08 stsp err = got_privsep_send_stop(imsg_fds[0]);
621 aba9c984 2019-09-08 stsp child_err = got_privsep_wait_for_child(pid);
622 aba9c984 2019-09-08 stsp if (child_err && err == NULL)
623 aba9c984 2019-09-08 stsp err = child_err;
625 aba9c984 2019-09-08 stsp if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
626 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
627 aba9c984 2019-09-08 stsp if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
628 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
629 aba9c984 2019-09-08 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
630 aba9c984 2019-09-08 stsp err = got_error_from_errno2("close", gitconfig_path);
631 aba9c984 2019-09-08 stsp free(ibuf);
632 c9956ddf 2019-09-08 stsp return err;
635 c9956ddf 2019-09-08 stsp static const struct got_error *
636 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
638 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
639 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
641 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
642 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
643 c9956ddf 2019-09-08 stsp int dummy_repo_version;
644 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&dummy_repo_version,
645 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
646 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
647 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
649 c9956ddf 2019-09-08 stsp return err;
652 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
653 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
654 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
655 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
657 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&repo->gitconfig_repository_format_version,
658 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
659 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
660 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
661 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
665 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
666 257add31 2020-09-09 stsp return err;
669 257add31 2020-09-09 stsp static const struct got_error *
670 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
672 257add31 2020-09-09 stsp const struct got_error *err = NULL;
673 257add31 2020-09-09 stsp char *gotconfig_path;
675 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
676 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
677 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
679 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
680 257add31 2020-09-09 stsp free(gotconfig_path);
681 85f51bba 2018-07-16 stsp return err;
684 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
685 d224ad33 2022-03-22 thomas static const char *const repo_extensions[] = {
686 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
687 2252c019 2021-07-03 stsp "preciousObjects", /* Supported by gotadmin cleanup. */
688 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
691 85f51bba 2018-07-16 stsp const struct got_error *
692 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
693 7cd52833 2022-06-23 thomas const char *global_gitconfig_path, int *pack_fds)
695 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
696 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
697 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
698 7cd52833 2022-06-23 thomas size_t i, j = 0;
699 6c414261 2021-03-30 stsp struct rlimit rl;
701 85f51bba 2018-07-16 stsp *repop = NULL;
703 6c414261 2021-03-30 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
704 6c414261 2021-03-30 stsp return got_error_from_errno("getrlimit");
706 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
707 58cbcd83 2022-03-22 thomas if (repo == NULL)
708 58cbcd83 2022-03-22 thomas return got_error_from_errno("calloc");
710 cfe41121 2021-10-16 thomas RB_INIT(&repo->packidx_bloom_filters);
711 de47d040 2022-03-22 thomas TAILQ_INIT(&repo->packidx_paths);
713 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
714 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
715 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
716 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
719 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
720 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
723 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
724 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
727 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
728 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
731 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
732 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
735 8ab9215c 2021-10-15 thomas err = got_object_cache_init(&repo->rawcache,
736 8ab9215c 2021-10-15 thomas GOT_OBJECT_CACHE_TYPE_RAW);
738 8ab9215c 2021-10-15 thomas goto done;
740 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
741 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
742 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
743 bfb5ee0b 2022-05-31 thomas for (i = 0; i < nitems(repo->packs); i++) {
744 bfb5ee0b 2022-05-31 thomas if (i < repo->pack_cache_size) {
745 7cd52833 2022-06-23 thomas repo->packs[i].basefd = pack_fds[j++];
746 7cd52833 2022-06-23 thomas repo->packs[i].accumfd = pack_fds[j++];
748 bfb5ee0b 2022-05-31 thomas repo->packs[i].basefd = -1;
749 bfb5ee0b 2022-05-31 thomas repo->packs[i].accumfd = -1;
753 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
754 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
755 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
760 aff6eea4 2020-10-20 stsp char *parent_path;
762 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
763 85f51bba 2018-07-16 stsp if (err == NULL)
765 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
767 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
768 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
771 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
774 aff6eea4 2020-10-20 stsp free(repo_path);
775 aff6eea4 2020-10-20 stsp repo_path = parent_path;
778 257add31 2020-09-09 stsp err = read_gotconfig(repo);
782 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
785 aba9c984 2019-09-08 stsp if (repo->gitconfig_repository_format_version != 0)
786 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
787 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
788 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
789 20b7abb3 2020-10-22 stsp int j, supported = 0;
790 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
791 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
792 20b7abb3 2020-10-22 stsp supported = 1;
796 20b7abb3 2020-10-22 stsp if (!supported) {
797 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
802 de47d040 2022-03-22 thomas err = got_repo_list_packidx(&repo->packidx_paths, repo);
805 5c2f5761 2018-09-19 stsp got_repo_close(repo);
807 85f51bba 2018-07-16 stsp *repop = repo;
808 aff6eea4 2020-10-20 stsp free(repo_path);
809 92af5469 2017-11-05 stsp return err;
812 ad242220 2018-09-08 stsp const struct got_error *
813 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
815 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
816 0be8fa4c 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
817 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
820 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
821 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
823 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
826 cfe41121 2021-10-16 thomas while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
827 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters))) {
828 cfe41121 2021-10-16 thomas RB_REMOVE(got_packidx_bloom_filter_tree,
829 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
830 4545b700 2021-10-15 thomas free(bf->bloom);
831 4545b700 2021-10-15 thomas free(bf);
834 7cd52833 2022-06-23 thomas for (i = 0; i < repo->pack_cache_size; i++)
835 cf032c44 2022-05-31 thomas if (repo->packs[i].path_packfile)
836 7cd52833 2022-06-23 thomas if (repo->packs[i].path_packfile)
837 7cd52833 2022-06-23 thomas got_pack_close(&repo->packs[i]);
839 4027f31a 2017-11-04 stsp free(repo->path);
840 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
842 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
843 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
844 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
845 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
846 8ab9215c 2021-10-15 thomas got_object_cache_close(&repo->rawcache);
848 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
849 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
851 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
852 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
853 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
854 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
855 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
856 ad242220 2018-09-08 stsp if (child_err && err == NULL)
857 ad242220 2018-09-08 stsp err = child_err;
858 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
859 3a6ce05a 2019-02-11 stsp err == NULL)
860 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
863 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
864 1d0f4054 2021-06-17 stsp err == NULL)
865 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
867 50b0790e 2020-09-11 stsp if (repo->gotconfig)
868 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
869 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
870 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
871 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
872 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
873 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
874 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
875 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
876 20b7abb3 2020-10-22 stsp free(repo->extensions);
878 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry)
879 de47d040 2022-03-22 thomas free((void *)pe->path);
880 de47d040 2022-03-22 thomas got_pathlist_free(&repo->packidx_paths);
881 4027f31a 2017-11-04 stsp free(repo);
883 ad242220 2018-09-08 stsp return err;
887 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
891 b8adfa55 2020-09-25 stsp free(repo->name);
892 b8adfa55 2020-09-25 stsp repo->name = NULL;
893 6480c871 2021-08-30 stsp free(repo->fetch_url);
894 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
895 6480c871 2021-08-30 stsp free(repo->send_url);
896 6480c871 2021-08-30 stsp repo->send_url = NULL;
897 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
898 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
899 6480c871 2021-08-30 stsp free(repo->fetch_branches);
900 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
901 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
902 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
903 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
904 6480c871 2021-08-30 stsp free(repo->send_branches);
905 6480c871 2021-08-30 stsp repo->send_branches = NULL;
906 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
909 04ca23f4 2018-07-16 stsp const struct got_error *
910 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
911 8fa913ec 2020-11-14 stsp const char *input_path)
913 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
914 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
915 e83c0634 2020-01-27 stsp size_t repolen, len;
916 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
918 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
920 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
921 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
922 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
925 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
929 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
931 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
932 23721109 2018-10-22 stsp path = strdup(canonpath);
933 b70703ad 2019-03-18 stsp if (path == NULL) {
934 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
938 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
939 04ca23f4 2018-07-16 stsp if (path == NULL) {
940 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
941 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
946 b70703ad 2019-03-18 stsp * Path is not on disk.
947 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
949 b70703ad 2019-03-18 stsp path = strdup(canonpath);
950 b70703ad 2019-03-18 stsp if (path == NULL) {
951 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
956 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
957 04ca23f4 2018-07-16 stsp len = strlen(path);
960 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
961 04ca23f4 2018-07-16 stsp free(path);
962 04ca23f4 2018-07-16 stsp path = strdup("");
963 04ca23f4 2018-07-16 stsp if (path == NULL) {
964 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
967 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
968 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
969 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
970 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
972 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
973 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
975 abc59930 2021-09-05 naddy free(path);
976 abc59930 2021-09-05 naddy path = canonpath;
977 abc59930 2021-09-05 naddy canonpath = NULL;
979 04ca23f4 2018-07-16 stsp char *child;
980 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
981 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
982 04ca23f4 2018-07-16 stsp repo_abspath, path);
985 04ca23f4 2018-07-16 stsp free(path);
986 04ca23f4 2018-07-16 stsp path = child;
990 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
991 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
993 abc59930 2021-09-05 naddy free(path);
994 abc59930 2021-09-05 naddy path = canonpath;
995 abc59930 2021-09-05 naddy canonpath = NULL;
999 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
1000 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
1001 04ca23f4 2018-07-16 stsp char *abspath;
1002 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
1003 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1004 04ca23f4 2018-07-16 stsp goto done;
1006 04ca23f4 2018-07-16 stsp free(path);
1007 04ca23f4 2018-07-16 stsp path = abspath;
1011 04ca23f4 2018-07-16 stsp free(canonpath);
1013 04ca23f4 2018-07-16 stsp free(path);
1015 04ca23f4 2018-07-16 stsp *in_repo_path = path;
1016 1510f469 2018-09-09 stsp return err;
1019 e1a68182 2020-01-07 stsp static const struct got_error *
1020 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
1021 e1a68182 2020-01-07 stsp const char *path_packidx)
1023 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1026 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1027 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1029 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1030 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1031 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1034 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1035 3333aec6 2021-10-15 thomas i = repo->pack_cache_size - 1;
1036 3333aec6 2021-10-15 thomas err = got_packidx_close(repo->packidx_cache[i]);
1038 1510f469 2018-09-09 stsp return err;
1041 3333aec6 2021-10-15 thomas repo->packidx_cache[i] = packidx;
1043 1510f469 2018-09-09 stsp return NULL;
1047 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
1049 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
1052 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
1055 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
1056 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
1059 4545b700 2021-10-15 thomas return 1;
1062 cfe41121 2021-10-16 thomas static struct got_packidx_bloom_filter *
1063 cfe41121 2021-10-16 thomas get_packidx_bloom_filter(struct got_repository *repo,
1064 cfe41121 2021-10-16 thomas const char *path, size_t path_len)
1066 cfe41121 2021-10-16 thomas struct got_packidx_bloom_filter key;
1068 cfe41121 2021-10-16 thomas if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
1069 cfe41121 2021-10-16 thomas return NULL; /* XXX */
1070 cfe41121 2021-10-16 thomas key.path_len = path_len;
1072 cfe41121 2021-10-16 thomas return RB_FIND(got_packidx_bloom_filter_tree,
1073 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, &key);
1077 f9c2e8e5 2022-02-13 thomas got_repo_check_packidx_bloom_filter(struct got_repository *repo,
1078 4545b700 2021-10-15 thomas const char *path_packidx, struct got_object_id *id)
1080 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1082 cfe41121 2021-10-16 thomas bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
1084 cfe41121 2021-10-16 thomas return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
1086 4545b700 2021-10-15 thomas /* No bloom filter means this pack index must be searched. */
1090 4545b700 2021-10-15 thomas static const struct got_error *
1091 4545b700 2021-10-15 thomas add_packidx_bloom_filter(struct got_repository *repo,
1092 4545b700 2021-10-15 thomas struct got_packidx *packidx, const char *path_packidx)
1094 4545b700 2021-10-15 thomas int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1095 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1096 4545b700 2021-10-15 thomas size_t len;
1099 4545b700 2021-10-15 thomas * Don't use bloom filters for very large pack index files.
1100 4545b700 2021-10-15 thomas * Large pack files will contain a relatively large fraction
1101 4545b700 2021-10-15 thomas * of our objects so we will likely need to visit them anyway.
1102 4545b700 2021-10-15 thomas * The more objects a pack file contains the higher the probability
1103 4545b700 2021-10-15 thomas * of a false-positive match from the bloom filter. And reading
1104 4545b700 2021-10-15 thomas * all object IDs from a large pack index file can be expensive.
1106 4545b700 2021-10-15 thomas if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1107 4545b700 2021-10-15 thomas return NULL;
1109 4545b700 2021-10-15 thomas /* Do we already have a filter for this pack index? */
1110 cfe41121 2021-10-16 thomas if (get_packidx_bloom_filter(repo, path_packidx,
1111 cfe41121 2021-10-16 thomas strlen(path_packidx)) != NULL)
1112 cfe41121 2021-10-16 thomas return NULL;
1114 4545b700 2021-10-15 thomas bf = calloc(1, sizeof(*bf));
1115 4545b700 2021-10-15 thomas if (bf == NULL)
1116 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1117 4545b700 2021-10-15 thomas bf->bloom = calloc(1, sizeof(*bf->bloom));
1118 4545b700 2021-10-15 thomas if (bf->bloom == NULL) {
1119 4545b700 2021-10-15 thomas free(bf);
1120 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1123 cfe41121 2021-10-16 thomas len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1124 cfe41121 2021-10-16 thomas if (len >= sizeof(bf->path)) {
1125 4545b700 2021-10-15 thomas free(bf->bloom);
1126 4545b700 2021-10-15 thomas free(bf);
1127 4545b700 2021-10-15 thomas return got_error(GOT_ERR_NO_SPACE);
1129 cfe41121 2021-10-16 thomas bf->path_len = len;
1131 4545b700 2021-10-15 thomas /* Minimum size supported by our bloom filter is 1000 entries. */
1132 4545b700 2021-10-15 thomas bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1133 4545b700 2021-10-15 thomas for (i = 0; i < nobjects; i++) {
1134 4545b700 2021-10-15 thomas struct got_packidx_object_id *id;
1135 4545b700 2021-10-15 thomas id = &packidx->hdr.sorted_ids[i];
1136 4545b700 2021-10-15 thomas bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1139 cfe41121 2021-10-16 thomas RB_INSERT(got_packidx_bloom_filter_tree,
1140 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
1141 4545b700 2021-10-15 thomas return NULL;
1144 1510f469 2018-09-09 stsp const struct got_error *
1145 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1146 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
1148 1510f469 2018-09-09 stsp const struct got_error *err;
1149 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
1152 1510f469 2018-09-09 stsp /* Search pack index cache. */
1153 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1154 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1156 f9c2e8e5 2022-02-13 thomas if (!got_repo_check_packidx_bloom_filter(repo,
1157 4545b700 2021-10-15 thomas repo->packidx_cache[i]->path_packidx, id))
1158 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1159 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1160 1510f469 2018-09-09 stsp if (*idx != -1) {
1161 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
1163 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
1164 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
1166 87c1ed2b 2020-01-07 stsp if (i > 0) {
1167 3333aec6 2021-10-15 thomas memmove(&repo->packidx_cache[1],
1168 3333aec6 2021-10-15 thomas &repo->packidx_cache[0],
1169 3333aec6 2021-10-15 thomas i * sizeof(repo->packidx_cache[0]));
1170 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
1172 1510f469 2018-09-09 stsp return NULL;
1175 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
1177 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1178 de47d040 2022-03-22 thomas const char *path_packidx = pe->path;
1179 e1a68182 2020-01-07 stsp int is_cached = 0;
1181 f9c2e8e5 2022-02-13 thomas if (!got_repo_check_packidx_bloom_filter(repo,
1182 de47d040 2022-03-22 thomas pe->path, id))
1183 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1185 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1186 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1188 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1189 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1190 e1a68182 2020-01-07 stsp is_cached = 1;
1194 de47d040 2022-03-22 thomas if (is_cached)
1195 e1a68182 2020-01-07 stsp continue; /* already searched */
1197 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1198 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1199 de47d040 2022-03-22 thomas if (err)
1200 e1a68182 2020-01-07 stsp goto done;
1202 4545b700 2021-10-15 thomas err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1203 de47d040 2022-03-22 thomas if (err)
1204 4545b700 2021-10-15 thomas goto done;
1206 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1208 1510f469 2018-09-09 stsp goto done;
1210 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1211 1510f469 2018-09-09 stsp if (*idx != -1) {
1212 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1213 1510f469 2018-09-09 stsp goto done;
1217 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1219 04ca23f4 2018-07-16 stsp return err;
1222 f9c2e8e5 2022-02-13 thomas const struct got_error *
1223 f9c2e8e5 2022-02-13 thomas got_repo_list_packidx(struct got_pathlist_head *packidx_paths,
1224 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
1226 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
1227 f9c2e8e5 2022-02-13 thomas DIR *packdir = NULL;
1228 f9c2e8e5 2022-02-13 thomas struct dirent *dent;
1229 f9c2e8e5 2022-02-13 thomas char *path_packidx = NULL;
1230 f9c2e8e5 2022-02-13 thomas int packdir_fd;
1232 f9c2e8e5 2022-02-13 thomas packdir_fd = openat(got_repo_get_fd(repo),
1233 f9c2e8e5 2022-02-13 thomas GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1234 f9c2e8e5 2022-02-13 thomas if (packdir_fd == -1) {
1235 f9c2e8e5 2022-02-13 thomas return got_error_from_errno_fmt("openat: %s/%s",
1236 f9c2e8e5 2022-02-13 thomas got_repo_get_path_git_dir(repo),
1237 f9c2e8e5 2022-02-13 thomas GOT_OBJECTS_PACK_DIR);
1240 f9c2e8e5 2022-02-13 thomas packdir = fdopendir(packdir_fd);
1241 f9c2e8e5 2022-02-13 thomas if (packdir == NULL) {
1242 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fdopendir");
1243 f9c2e8e5 2022-02-13 thomas goto done;
1246 f9c2e8e5 2022-02-13 thomas while ((dent = readdir(packdir)) != NULL) {
1247 9389bcf6 2022-02-13 thomas if (!got_repo_is_packidx_filename(dent->d_name,
1248 9389bcf6 2022-02-13 thomas strlen(dent->d_name)))
1249 f9c2e8e5 2022-02-13 thomas continue;
1251 f9c2e8e5 2022-02-13 thomas if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1252 f9c2e8e5 2022-02-13 thomas dent->d_name) == -1) {
1253 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("asprintf");
1254 f9c2e8e5 2022-02-13 thomas path_packidx = NULL;
1258 f9c2e8e5 2022-02-13 thomas err = got_pathlist_append(packidx_paths, path_packidx, NULL);
1259 f9c2e8e5 2022-02-13 thomas if (err)
1263 f9c2e8e5 2022-02-13 thomas if (err)
1264 f9c2e8e5 2022-02-13 thomas free(path_packidx);
1265 f9c2e8e5 2022-02-13 thomas if (packdir && closedir(packdir) != 0 && err == NULL)
1266 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("closedir");
1267 f9c2e8e5 2022-02-13 thomas return err;
1270 f9c2e8e5 2022-02-13 thomas const struct got_error *
1271 f9c2e8e5 2022-02-13 thomas got_repo_get_packidx(struct got_packidx **packidx, const char *path_packidx,
1272 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
1274 f9c2e8e5 2022-02-13 thomas const struct got_error *err;
1275 f9c2e8e5 2022-02-13 thomas size_t i;
1277 f9c2e8e5 2022-02-13 thomas *packidx = NULL;
1279 f9c2e8e5 2022-02-13 thomas /* Search pack index cache. */
1280 f9c2e8e5 2022-02-13 thomas for (i = 0; i < repo->pack_cache_size; i++) {
1281 f9c2e8e5 2022-02-13 thomas if (repo->packidx_cache[i] == NULL)
1283 f9c2e8e5 2022-02-13 thomas if (strcmp(repo->packidx_cache[i]->path_packidx,
1284 f9c2e8e5 2022-02-13 thomas path_packidx) == 0) {
1285 f9c2e8e5 2022-02-13 thomas *packidx = repo->packidx_cache[i];
1286 f9c2e8e5 2022-02-13 thomas return NULL;
1289 f9c2e8e5 2022-02-13 thomas /* No luck. Search the filesystem. */
1291 f9c2e8e5 2022-02-13 thomas err = got_packidx_open(packidx, got_repo_get_fd(repo),
1292 f9c2e8e5 2022-02-13 thomas path_packidx, 0);
1293 f9c2e8e5 2022-02-13 thomas if (err)
1294 f9c2e8e5 2022-02-13 thomas return err;
1296 f9c2e8e5 2022-02-13 thomas err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1297 f9c2e8e5 2022-02-13 thomas if (err)
1298 f9c2e8e5 2022-02-13 thomas goto done;
1300 f9c2e8e5 2022-02-13 thomas err = cache_packidx(repo, *packidx, path_packidx);
1302 f9c2e8e5 2022-02-13 thomas if (err) {
1303 f9c2e8e5 2022-02-13 thomas got_packidx_close(*packidx);
1304 f9c2e8e5 2022-02-13 thomas *packidx = NULL;
1306 f9c2e8e5 2022-02-13 thomas return err;
1309 1510f469 2018-09-09 stsp static const struct got_error *
1310 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1312 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1313 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1314 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1315 1510f469 2018-09-09 stsp ssize_t n;
1317 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1318 1510f469 2018-09-09 stsp if (n < 0)
1319 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1320 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1321 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1323 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1324 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1325 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1326 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1328 1510f469 2018-09-09 stsp return err;
1331 1510f469 2018-09-09 stsp static const struct got_error *
1332 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1333 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1335 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1337 fc63f50d 2021-12-31 thomas *fd = openat(got_repo_get_fd(repo), relpath,
1338 fc63f50d 2021-12-31 thomas O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
1339 1510f469 2018-09-09 stsp if (*fd == -1)
1340 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1341 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1343 1510f469 2018-09-09 stsp if (packidx) {
1344 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1345 1510f469 2018-09-09 stsp if (err) {
1346 1510f469 2018-09-09 stsp close(*fd);
1351 1510f469 2018-09-09 stsp return err;
1354 1510f469 2018-09-09 stsp const struct got_error *
1355 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1356 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1358 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1359 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1360 ff563a3d 2019-05-23 stsp struct stat sb;
1363 1510f469 2018-09-09 stsp if (packp)
1364 1510f469 2018-09-09 stsp *packp = NULL;
1366 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1367 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1368 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1370 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1371 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1374 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1375 93948435 2022-06-13 thomas struct got_pack tmp;
1376 1510f469 2018-09-09 stsp err = got_pack_close(&repo->packs[i - 1]);
1378 1510f469 2018-09-09 stsp return err;
1379 bfb5ee0b 2022-05-31 thomas if (ftruncate(repo->packs[i - 1].basefd, 0L) == -1)
1380 bfb5ee0b 2022-05-31 thomas return got_error_from_errno("ftruncate");
1381 bfb5ee0b 2022-05-31 thomas if (ftruncate(repo->packs[i - 1].accumfd, 0L) == -1)
1382 bfb5ee0b 2022-05-31 thomas return got_error_from_errno("ftruncate");
1383 93948435 2022-06-13 thomas memcpy(&tmp, &repo->packs[i - 1], sizeof(tmp));
1384 93948435 2022-06-13 thomas memcpy(&repo->packs[i - 1], &repo->packs[0],
1385 93948435 2022-06-13 thomas sizeof(repo->packs[i - 1]));
1386 93948435 2022-06-13 thomas memcpy(&repo->packs[0], &tmp, sizeof(repo->packs[0]));
1390 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1392 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1393 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1394 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1395 1510f469 2018-09-09 stsp goto done;
1398 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1400 1510f469 2018-09-09 stsp goto done;
1402 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1403 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1404 1510f469 2018-09-09 stsp goto done;
1406 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1408 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1410 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1411 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1412 1510f469 2018-09-09 stsp pack->fd, 0);
1413 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1414 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1415 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1416 3a11398b 2019-02-21 stsp goto done;
1418 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1422 1510f469 2018-09-09 stsp if (err) {
1423 1510f469 2018-09-09 stsp if (pack) {
1424 1510f469 2018-09-09 stsp free(pack->path_packfile);
1425 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1427 1510f469 2018-09-09 stsp } else if (packp)
1428 1510f469 2018-09-09 stsp *packp = pack;
1429 1510f469 2018-09-09 stsp return err;
1432 1510f469 2018-09-09 stsp struct got_pack *
1433 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1435 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1438 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1439 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1440 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1442 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1443 1510f469 2018-09-09 stsp return pack;
1446 2c7829a4 2019-06-17 stsp return NULL;
1449 2c7829a4 2019-06-17 stsp const struct got_error *
1450 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1452 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1453 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1454 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1455 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1456 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1458 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1459 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1460 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1461 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1462 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1463 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1464 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1465 2c7829a4 2019-06-17 stsp char *path;
1468 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1469 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1471 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1472 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1473 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1475 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1476 2c7829a4 2019-06-17 stsp free(path);
1478 2c7829a4 2019-06-17 stsp return err;
1481 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1482 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1483 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1484 2c7829a4 2019-06-17 stsp free(path);
1486 2c7829a4 2019-06-17 stsp return err;
1488 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1489 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1490 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1491 2c7829a4 2019-06-17 stsp free(path);
1493 2c7829a4 2019-06-17 stsp return err;
1495 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1496 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1497 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1498 2c7829a4 2019-06-17 stsp free(path);
1500 2c7829a4 2019-06-17 stsp return err;
1502 1510f469 2018-09-09 stsp return NULL;
1505 e09a504c 2019-06-28 stsp static const struct got_error *
1506 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1507 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1509 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1510 de47d040 2022-03-22 thomas struct got_object_id_queue matched_ids;
1511 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
1513 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1515 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1516 de47d040 2022-03-22 thomas const char *path_packidx = pe->path;
1517 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1518 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1520 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1521 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1525 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1526 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1527 4277420a 2019-06-29 stsp if (err) {
1528 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1531 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1535 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &matched_ids, entry) {
1536 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1537 dd88155e 2019-06-29 stsp int matched_type;
1538 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1539 ec242592 2022-04-22 thomas &qid->id);
1541 dd88155e 2019-06-29 stsp goto done;
1542 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1545 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1546 ec242592 2022-04-22 thomas *unique_id = got_object_id_dup(&qid->id);
1547 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1548 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1549 dd88155e 2019-06-29 stsp goto done;
1552 ec242592 2022-04-22 thomas if (got_object_id_cmp(*unique_id,
1553 ec242592 2022-04-22 thomas &qid->id) == 0)
1554 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1555 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1556 561c3678 2019-07-02 stsp goto done;
1561 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1562 e09a504c 2019-06-28 stsp if (err) {
1563 e09a504c 2019-06-28 stsp free(*unique_id);
1564 e09a504c 2019-06-28 stsp *unique_id = NULL;
1566 e09a504c 2019-06-28 stsp return err;
1569 e09a504c 2019-06-28 stsp static const struct got_error *
1570 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1571 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1572 e09a504c 2019-06-28 stsp struct got_repository *repo)
1574 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1575 e09a504c 2019-06-28 stsp char *path;
1576 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1577 e09a504c 2019-06-28 stsp struct dirent *dent;
1578 e09a504c 2019-06-28 stsp struct got_object_id id;
1580 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1581 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1582 e09a504c 2019-06-28 stsp goto done;
1585 e09a504c 2019-06-28 stsp dir = opendir(path);
1586 e09a504c 2019-06-28 stsp if (dir == NULL) {
1587 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1588 4277420a 2019-06-29 stsp err = NULL;
1589 4277420a 2019-06-29 stsp goto done;
1591 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1592 e09a504c 2019-06-28 stsp goto done;
1594 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1595 e09a504c 2019-06-28 stsp char *id_str;
1598 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1599 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1602 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1603 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1604 e09a504c 2019-06-28 stsp goto done;
1607 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1611 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1612 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1614 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1615 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1616 e09a504c 2019-06-28 stsp free(id_str);
1620 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1621 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1622 dd88155e 2019-06-29 stsp int matched_type;
1623 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1626 dd88155e 2019-06-29 stsp goto done;
1627 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1630 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1631 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1632 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1633 e09a504c 2019-06-28 stsp free(id_str);
1634 e09a504c 2019-06-28 stsp goto done;
1637 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1638 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1639 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1640 e09a504c 2019-06-28 stsp free(id_str);
1641 e09a504c 2019-06-28 stsp goto done;
1645 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1646 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1647 e09a504c 2019-06-28 stsp if (err) {
1648 e09a504c 2019-06-28 stsp free(*unique_id);
1649 e09a504c 2019-06-28 stsp *unique_id = NULL;
1651 e09a504c 2019-06-28 stsp free(path);
1652 e09a504c 2019-06-28 stsp return err;
1655 e09a504c 2019-06-28 stsp const struct got_error *
1656 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1657 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1659 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1660 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1661 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1662 e09a504c 2019-06-28 stsp size_t len;
1665 4277420a 2019-06-29 stsp *id = NULL;
1667 70e6418e 2022-03-10 thomas len = strlen(id_str_prefix);
1668 70e6418e 2022-03-10 thomas if (len > SHA1_DIGEST_STRING_LENGTH - 1)
1669 70e6418e 2022-03-10 thomas return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1671 70e6418e 2022-03-10 thomas for (i = 0; i < len; i++) {
1672 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1674 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1677 e09a504c 2019-06-28 stsp if (len >= 2) {
1678 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1680 83c8b3b8 2019-06-29 stsp goto done;
1681 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1682 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1683 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1684 83c8b3b8 2019-06-29 stsp goto done;
1686 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1687 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1688 e09a504c 2019-06-28 stsp } else if (len == 1) {
1690 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1691 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1693 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1694 83c8b3b8 2019-06-29 stsp goto done;
1696 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1697 dd88155e 2019-06-29 stsp obj_type);
1699 83c8b3b8 2019-06-29 stsp goto done;
1700 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1701 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1703 83c8b3b8 2019-06-29 stsp goto done;
1706 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1707 83c8b3b8 2019-06-29 stsp goto done;
1710 e09a504c 2019-06-28 stsp free(object_dir);
1711 4277420a 2019-06-29 stsp if (err) {
1712 4277420a 2019-06-29 stsp free(*id);
1713 4277420a 2019-06-29 stsp *id = NULL;
1714 a3599220 2021-10-10 thomas } else if (*id == NULL) {
1715 a3599220 2021-10-10 thomas switch (obj_type) {
1716 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_BLOB:
1717 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1718 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_BLOB, id_str_prefix);
1720 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TREE:
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_TREE, id_str_prefix);
1724 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_COMMIT:
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_COMMIT, id_str_prefix);
1728 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TAG:
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_TAG, id_str_prefix);
1732 a3599220 2021-10-10 thomas default:
1733 a3599220 2021-10-10 thomas err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1738 303e2782 2019-08-09 stsp return err;
1741 303e2782 2019-08-09 stsp const struct got_error *
1742 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1743 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1744 71a27632 2020-01-15 stsp struct got_repository *repo)
1746 71a27632 2020-01-15 stsp const struct got_error *err;
1747 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1748 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1750 71a27632 2020-01-15 stsp *id = NULL;
1751 71a27632 2020-01-15 stsp if (label)
1752 71a27632 2020-01-15 stsp *label = NULL;
1754 84de9106 2020-12-26 stsp if (refs) {
1755 f1165c79 2021-10-10 thomas err = got_repo_object_match_tag(&tag, id_str, obj_type,
1756 84de9106 2020-12-26 stsp refs, repo);
1757 71a27632 2020-01-15 stsp if (err == NULL) {
1758 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1759 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1760 71a27632 2020-01-15 stsp if (*id == NULL)
1761 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1762 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1763 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1764 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1765 71a27632 2020-01-15 stsp free(*id);
1766 71a27632 2020-01-15 stsp *id = NULL;
1768 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1769 71a27632 2020-01-15 stsp return err;
1770 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1771 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1772 71a27632 2020-01-15 stsp return err;
1775 71a27632 2020-01-15 stsp err = got_repo_match_object_id_prefix(id, id_str, obj_type, repo);
1776 71a27632 2020-01-15 stsp if (err) {
1777 71a27632 2020-01-15 stsp if (err->code != GOT_ERR_BAD_OBJ_ID_STR)
1778 71a27632 2020-01-15 stsp return err;
1779 71a27632 2020-01-15 stsp err = got_ref_open(&ref, repo, id_str, 0);
1780 71a27632 2020-01-15 stsp if (err != NULL)
1781 71a27632 2020-01-15 stsp goto done;
1782 71a27632 2020-01-15 stsp if (label) {
1783 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1784 71a27632 2020-01-15 stsp if (*label == NULL) {
1785 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1786 71a27632 2020-01-15 stsp goto done;
1789 71a27632 2020-01-15 stsp err = got_ref_resolve(id, repo, ref);
1790 71a27632 2020-01-15 stsp } else if (label) {
1791 71a27632 2020-01-15 stsp err = got_object_id_str(label, *id);
1792 71a27632 2020-01-15 stsp if (*label == NULL) {
1793 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1794 71a27632 2020-01-15 stsp goto done;
1799 71a27632 2020-01-15 stsp got_ref_close(ref);
1800 71a27632 2020-01-15 stsp return err;
1803 71a27632 2020-01-15 stsp const struct got_error *
1804 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1805 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1807 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1808 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1809 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1810 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1812 303e2782 2019-08-09 stsp *tag = NULL;
1814 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1815 303e2782 2019-08-09 stsp const char *refname;
1816 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1817 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1819 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1821 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1822 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1823 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1825 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1828 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1829 303e2782 2019-08-09 stsp free(tag_id);
1832 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1833 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1835 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1836 303e2782 2019-08-09 stsp *tag = NULL;
1839 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1840 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1841 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TAG, name);
1842 e09a504c 2019-06-28 stsp return err;
1845 3ce1b845 2019-07-15 stsp static const struct got_error *
1846 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1847 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1849 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1851 3ce1b845 2019-07-15 stsp *new_te = NULL;
1853 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1854 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1855 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1857 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1858 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1859 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1860 3ce1b845 2019-07-15 stsp goto done;
1863 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1864 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1866 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1867 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1869 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1871 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1872 56e0773d 2019-11-28 stsp free(*new_te);
1873 3ce1b845 2019-07-15 stsp *new_te = NULL;
1875 3ce1b845 2019-07-15 stsp return err;
1878 3ce1b845 2019-07-15 stsp static const struct got_error *
1879 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1880 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1882 3ce1b845 2019-07-15 stsp const struct got_error *err;
1883 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1884 3ce1b845 2019-07-15 stsp char *filepath;
1885 3ce1b845 2019-07-15 stsp struct stat sb;
1887 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1888 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1889 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1891 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1892 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1893 3ce1b845 2019-07-15 stsp goto done;
1896 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1898 3ce1b845 2019-07-15 stsp goto done;
1900 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1903 3ce1b845 2019-07-15 stsp free(filepath);
1905 3ce1b845 2019-07-15 stsp free(blob_id);
1906 3ce1b845 2019-07-15 stsp return err;
1909 3ce1b845 2019-07-15 stsp static const struct got_error *
1910 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1911 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1913 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1914 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
1916 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
1918 3ce1b845 2019-07-15 stsp return err;
1919 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
1920 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
1921 3ce1b845 2019-07-15 stsp return NULL;
1924 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
1925 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
1926 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
1928 3ce1b845 2019-07-15 stsp static const struct got_error *
1929 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
1930 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
1931 3ce1b845 2019-07-15 stsp struct got_repository *repo,
1932 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1934 3ce1b845 2019-07-15 stsp const struct got_error *err;
1935 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
1936 3ce1b845 2019-07-15 stsp char *subdirpath;
1938 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
1939 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1940 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1942 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
1943 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
1944 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
1945 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
1946 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
1947 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1948 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1949 3ce1b845 2019-07-15 stsp goto done;
1951 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
1952 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1954 56e0773d 2019-11-28 stsp goto done;
1955 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
1959 3ce1b845 2019-07-15 stsp free(subdirpath);
1960 3ce1b845 2019-07-15 stsp if (err) {
1961 56e0773d 2019-11-28 stsp free(*new_te);
1962 3ce1b845 2019-07-15 stsp *new_te = NULL;
1964 3ce1b845 2019-07-15 stsp return err;
1967 3ce1b845 2019-07-15 stsp static const struct got_error *
1968 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
1969 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
1970 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1972 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1974 3ce1b845 2019-07-15 stsp struct dirent *de;
1975 56e0773d 2019-11-28 stsp int nentries;
1976 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
1977 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
1978 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
1980 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
1982 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
1984 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
1985 3ce1b845 2019-07-15 stsp if (dir == NULL) {
1986 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
1987 3ce1b845 2019-07-15 stsp goto done;
1990 56e0773d 2019-11-28 stsp nentries = 0;
1991 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
1992 3ce1b845 2019-07-15 stsp int ignore = 0;
1995 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
1996 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
1999 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
2000 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
2001 3ce1b845 2019-07-15 stsp ignore = 1;
2005 3ce1b845 2019-07-15 stsp if (ignore)
2008 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
2010 20ccae39 2020-07-21 stsp goto done;
2012 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
2013 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
2014 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
2015 db1d3576 2019-10-04 stsp if (err) {
2016 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
2017 db1d3576 2019-10-04 stsp goto done;
2018 db1d3576 2019-10-04 stsp err = NULL;
2021 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
2022 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
2024 3ce1b845 2019-07-15 stsp goto done;
2028 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
2030 3ce1b845 2019-07-15 stsp goto done;
2031 56e0773d 2019-11-28 stsp nentries++;
2034 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
2035 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
2036 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
2037 db1d3576 2019-10-04 stsp goto done;
2040 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
2041 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
2042 3ce1b845 2019-07-15 stsp char *path;
2043 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
2045 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
2046 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
2047 3ce1b845 2019-07-15 stsp goto done;
2049 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
2050 3ce1b845 2019-07-15 stsp free(path);
2052 3ce1b845 2019-07-15 stsp goto done;
2055 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
2058 3ce1b845 2019-07-15 stsp closedir(dir);
2059 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
2060 3ce1b845 2019-07-15 stsp return err;
2063 3ce1b845 2019-07-15 stsp const struct got_error *
2064 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
2065 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
2066 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
2067 3ce1b845 2019-07-15 stsp void *progress_arg)
2069 3ce1b845 2019-07-15 stsp const struct got_error *err;
2070 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
2072 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
2073 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2075 3ce1b845 2019-07-15 stsp return err;
2077 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
2078 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
2079 3ce1b845 2019-07-15 stsp free(new_tree_id);
2080 20662ea0 2021-04-10 stsp return err;
2083 20662ea0 2021-04-10 stsp const struct got_error *
2084 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
2085 20662ea0 2021-04-10 stsp struct got_repository *repo)
2087 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
2088 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
2089 20662ea0 2021-04-10 stsp DIR *dir = NULL;
2090 20662ea0 2021-04-10 stsp struct got_object_id id;
2093 20662ea0 2021-04-10 stsp *nobjects = 0;
2094 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2096 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
2097 20662ea0 2021-04-10 stsp if (path_objects == NULL)
2098 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
2100 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
2101 20662ea0 2021-04-10 stsp struct dirent *dent;
2103 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2104 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2108 20662ea0 2021-04-10 stsp dir = opendir(path);
2109 20662ea0 2021-04-10 stsp if (dir == NULL) {
2110 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
2111 20662ea0 2021-04-10 stsp err = NULL;
2114 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
2118 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
2119 20662ea0 2021-04-10 stsp char *id_str;
2121 20662ea0 2021-04-10 stsp struct stat sb;
2123 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
2124 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
2127 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2128 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2129 20662ea0 2021-04-10 stsp goto done;
2132 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
2133 20662ea0 2021-04-10 stsp free(id_str);
2136 20662ea0 2021-04-10 stsp free(id_str);
2138 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
2140 20662ea0 2021-04-10 stsp goto done;
2142 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
2143 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
2144 20662ea0 2021-04-10 stsp close(fd);
2145 20662ea0 2021-04-10 stsp goto done;
2147 20662ea0 2021-04-10 stsp (*nobjects)++;
2148 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
2150 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
2151 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
2152 20662ea0 2021-04-10 stsp goto done;
2156 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
2157 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2158 20662ea0 2021-04-10 stsp goto done;
2160 20662ea0 2021-04-10 stsp dir = NULL;
2162 20662ea0 2021-04-10 stsp free(path);
2163 20662ea0 2021-04-10 stsp path = NULL;
2166 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
2167 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2169 20662ea0 2021-04-10 stsp if (err) {
2170 20662ea0 2021-04-10 stsp *nobjects = 0;
2171 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2173 20662ea0 2021-04-10 stsp free(path_objects);
2174 20662ea0 2021-04-10 stsp free(path);
2175 3ce1b845 2019-07-15 stsp return err;
2178 20662ea0 2021-04-10 stsp const struct got_error *
2179 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2180 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
2182 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
2183 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
2184 20662ea0 2021-04-10 stsp struct dirent *dent;
2185 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
2186 20662ea0 2021-04-10 stsp char *path_packidx;
2187 20662ea0 2021-04-10 stsp char *path_packfile;
2188 20662ea0 2021-04-10 stsp int packdir_fd;
2189 20662ea0 2021-04-10 stsp struct stat sb;
2191 20662ea0 2021-04-10 stsp *npackfiles = 0;
2192 20662ea0 2021-04-10 stsp *nobjects = 0;
2193 20662ea0 2021-04-10 stsp *total_packsize = 0;
2195 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
2196 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2197 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
2198 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
2199 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
2200 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
2203 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
2204 20662ea0 2021-04-10 stsp if (packdir == NULL) {
2205 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
2206 20662ea0 2021-04-10 stsp goto done;
2209 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
2210 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
2211 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
2214 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2215 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
2216 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2217 20662ea0 2021-04-10 stsp goto done;
2220 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2221 20662ea0 2021-04-10 stsp path_packidx, 0);
2222 20662ea0 2021-04-10 stsp free(path_packidx);
2224 20662ea0 2021-04-10 stsp goto done;
2226 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
2227 20662ea0 2021-04-10 stsp goto done;
2228 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2230 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2231 aea75d87 2021-07-06 stsp packidx->path_packidx);
2233 20662ea0 2021-04-10 stsp goto done;
2235 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2236 20662ea0 2021-04-10 stsp 0) == -1) {
2237 20662ea0 2021-04-10 stsp free(path_packfile);
2238 20662ea0 2021-04-10 stsp goto done;
2240 20662ea0 2021-04-10 stsp free(path_packfile);
2241 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2243 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2245 20662ea0 2021-04-10 stsp (*npackfiles)++;
2247 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2248 20662ea0 2021-04-10 stsp packidx = NULL;
2251 20662ea0 2021-04-10 stsp if (packidx)
2252 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2253 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2254 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2255 20662ea0 2021-04-10 stsp if (err) {
2256 20662ea0 2021-04-10 stsp *npackfiles = 0;
2257 20662ea0 2021-04-10 stsp *nobjects = 0;
2258 20662ea0 2021-04-10 stsp *total_packsize = 0;
2260 20662ea0 2021-04-10 stsp return err;
2263 0be8fa4c 2021-10-15 thomas RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2264 0be8fa4c 2021-10-15 thomas got_packidx_bloom_filter_cmp);
