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 79b11c62 2018-03-09 stsp #include <sys/queue.h>
19 f8b19efd 2021-10-13 stsp #include <sys/tree.h>
20 ad242220 2018-09-08 stsp #include <sys/uio.h>
21 aba9c984 2019-09-08 stsp #include <sys/socket.h>
22 deeca238 2018-03-12 stsp #include <sys/stat.h>
23 1510f469 2018-09-09 stsp #include <sys/mman.h>
24 6c414261 2021-03-30 stsp #include <sys/resource.h>
26 e09a504c 2019-06-28 stsp #include <ctype.h>
27 78fb0967 2020-09-09 naddy #include <endian.h>
28 1510f469 2018-09-09 stsp #include <fcntl.h>
29 3ce1b845 2019-07-15 stsp #include <fnmatch.h>
30 4027f31a 2017-11-04 stsp #include <limits.h>
31 1510f469 2018-09-09 stsp #include <dirent.h>
32 4027f31a 2017-11-04 stsp #include <stdlib.h>
33 4027f31a 2017-11-04 stsp #include <stdio.h>
34 4027f31a 2017-11-04 stsp #include <sha1.h>
35 4027f31a 2017-11-04 stsp #include <string.h>
36 303e14b5 2019-09-23 stsp #include <time.h>
37 81a12da5 2020-09-09 naddy #include <unistd.h>
38 79b11c62 2018-03-09 stsp #include <zlib.h>
39 85f51bba 2018-07-16 stsp #include <errno.h>
40 85f51bba 2018-07-16 stsp #include <libgen.h>
41 ad242220 2018-09-08 stsp #include <stdint.h>
42 ad242220 2018-09-08 stsp #include <imsg.h>
43 c442a90d 2019-03-10 stsp #include <uuid.h>
45 b343c297 2021-10-11 stsp #include "bloom.h"
47 4027f31a 2017-11-04 stsp #include "got_error.h"
48 5261c201 2018-04-01 stsp #include "got_reference.h"
49 4027f31a 2017-11-04 stsp #include "got_repository.h"
50 1dd54920 2019-05-11 stsp #include "got_path.h"
51 e6209546 2019-08-22 stsp #include "got_cancel.h"
52 7bb0daa1 2018-06-21 stsp #include "got_object.h"
53 57160834 2022-05-31 stsp #include "got_opentemp.h"
55 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
56 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
57 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
58 3ce1b845 2019-07-15 stsp #include "got_lib_object_parse.h"
59 3ce1b845 2019-07-15 stsp #include "got_lib_object_create.h"
60 718b3ab0 2018-03-17 stsp #include "got_lib_pack.h"
61 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
62 e09a504c 2019-06-28 stsp #include "got_lib_sha1.h"
63 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
64 6bef87be 2018-09-11 stsp #include "got_lib_repository.h"
65 50b0790e 2020-09-11 stsp #include "got_lib_gotconfig.h"
67 79b11c62 2018-03-09 stsp #ifndef nitems
68 79b11c62 2018-03-09 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
71 0ae84acc 2022-06-15 tracey #define GOT_PACK_NUM_TEMPFILES GOT_PACK_CACHE_SIZE * 2
73 f8b19efd 2021-10-13 stsp RB_PROTOTYPE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
74 f8b19efd 2021-10-13 stsp got_packidx_bloom_filter_cmp);
76 7839bc15 2019-01-06 stsp const char *
77 86c3caaf 2018-03-09 stsp got_repo_get_path(struct got_repository *repo)
79 7839bc15 2019-01-06 stsp return repo->path;
82 6e9da951 2019-01-06 stsp const char *
83 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
85 6e9da951 2019-01-06 stsp return repo->path_git_dir;
89 6d5a9006 2020-12-16 yzhong got_repo_get_fd(struct got_repository *repo)
91 6d5a9006 2020-12-16 yzhong return repo->gitdir_fd;
94 aba9c984 2019-09-08 stsp const char *
95 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_name(struct got_repository *repo)
97 aba9c984 2019-09-08 stsp return repo->gitconfig_author_name;
100 aba9c984 2019-09-08 stsp const char *
101 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_email(struct got_repository *repo)
103 aba9c984 2019-09-08 stsp return repo->gitconfig_author_email;
106 c9956ddf 2019-09-08 stsp const char *
107 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_name(struct got_repository *repo)
109 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_name;
112 c9956ddf 2019-09-08 stsp const char *
113 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_email(struct got_repository *repo)
115 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_email;
118 9a1cc63f 2020-02-03 stsp const char *
119 9a1cc63f 2020-02-03 stsp got_repo_get_gitconfig_owner(struct got_repository *repo)
121 9a1cc63f 2020-02-03 stsp return repo->gitconfig_owner;
125 9188bd78 2021-07-03 stsp got_repo_get_gitconfig_extensions(char ***extensions, int *nextensions,
126 9188bd78 2021-07-03 stsp struct got_repository *repo)
128 9188bd78 2021-07-03 stsp *extensions = repo->extensions;
129 9188bd78 2021-07-03 stsp *nextensions = repo->nextensions;
133 04ca23f4 2018-07-16 stsp got_repo_is_bare(struct got_repository *repo)
135 04ca23f4 2018-07-16 stsp return (strcmp(repo->path, repo->path_git_dir) == 0);
138 4027f31a 2017-11-04 stsp static char *
139 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
141 4027f31a 2017-11-04 stsp char *path_child;
143 4986b9d5 2018-03-12 stsp if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
144 4027f31a 2017-11-04 stsp basename) == -1)
145 4027f31a 2017-11-04 stsp return NULL;
147 4027f31a 2017-11-04 stsp return path_child;
151 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
153 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
157 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
159 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
163 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
165 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
169 fb79db15 2019-02-01 stsp got_repo_get_path_packed_refs(struct got_repository *repo)
171 fb79db15 2019-02-01 stsp return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
174 4027f31a 2017-11-04 stsp static char *
175 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
177 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
181 b46f3e71 2020-03-18 stsp got_repo_get_path_gitconfig(struct got_repository *repo)
183 b46f3e71 2020-03-18 stsp return get_path_git_child(repo, GOT_GITCONFIG);
187 257add31 2020-09-09 stsp got_repo_get_path_gotconfig(struct got_repository *repo)
189 50b0790e 2020-09-11 stsp return get_path_git_child(repo, GOT_GOTCONFIG_FILENAME);
192 50b0790e 2020-09-11 stsp const struct got_gotconfig *
193 50b0790e 2020-09-11 stsp got_repo_get_gotconfig(struct got_repository *repo)
195 50b0790e 2020-09-11 stsp return repo->gotconfig;
199 50b0790e 2020-09-11 stsp got_repo_get_gitconfig_remotes(int *nremotes,
200 50b0790e 2020-09-11 stsp const struct got_remote_repo **remotes, struct got_repository *repo)
202 50b0790e 2020-09-11 stsp *nremotes = repo->ngitconfig_remotes;
203 50b0790e 2020-09-11 stsp *remotes = repo->gitconfig_remotes;
207 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
209 6e9da951 2019-01-06 stsp const char *path_git = got_repo_get_path_git_dir(repo);
210 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
211 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
212 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
213 deeca238 2018-03-12 stsp int ret = 0;
214 deeca238 2018-03-12 stsp struct stat sb;
215 4847cca1 2018-03-12 stsp struct got_reference *head_ref;
217 deeca238 2018-03-12 stsp if (lstat(path_git, &sb) == -1)
219 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
222 deeca238 2018-03-12 stsp if (lstat(path_objects, &sb) == -1)
224 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
227 deeca238 2018-03-12 stsp if (lstat(path_refs, &sb) == -1)
229 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
232 deeca238 2018-03-12 stsp if (lstat(path_head, &sb) == -1)
234 deeca238 2018-03-12 stsp if (!S_ISREG(sb.st_mode))
237 4847cca1 2018-03-12 stsp /* Check if the HEAD reference can be opened. */
238 2f17228e 2019-05-12 stsp if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
240 4847cca1 2018-03-12 stsp got_ref_close(head_ref);
244 4027f31a 2017-11-04 stsp free(path_objects);
245 4027f31a 2017-11-04 stsp free(path_refs);
246 4027f31a 2017-11-04 stsp free(path_head);
247 4027f31a 2017-11-04 stsp return ret;
251 f6be5c30 2018-06-22 stsp const struct got_error *
252 0ae84acc 2022-06-15 tracey got_repo_pack_fds_open(int **pack_fds)
254 0ae84acc 2022-06-15 tracey const struct got_error *err = NULL;
255 0ae84acc 2022-06-15 tracey int i, pack_fds_tmp[GOT_PACK_NUM_TEMPFILES];
257 0ae84acc 2022-06-15 tracey *pack_fds = calloc(GOT_PACK_NUM_TEMPFILES, sizeof(**pack_fds));
258 0ae84acc 2022-06-15 tracey if (*pack_fds == NULL)
259 0ae84acc 2022-06-15 tracey return got_error_from_errno("calloc");
261 0ae84acc 2022-06-15 tracey for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
262 0ae84acc 2022-06-15 tracey pack_fds_tmp[i] = got_opentempfd();
263 0ae84acc 2022-06-15 tracey if (pack_fds_tmp[i] == -1) {
264 bb711527 2022-06-15 stsp err = got_error_from_errno("got_opentempfd");
265 bb711527 2022-06-15 stsp got_repo_pack_fds_close(pack_fds_tmp);
266 bb711527 2022-06-15 stsp return err;
269 0ae84acc 2022-06-15 tracey memcpy(*pack_fds, pack_fds_tmp, sizeof(pack_fds_tmp));
270 0ae84acc 2022-06-15 tracey return err;
273 0ae84acc 2022-06-15 tracey const struct got_error *
274 0ae84acc 2022-06-15 tracey got_repo_pack_fds_close(int *pack_fds)
276 0ae84acc 2022-06-15 tracey const struct got_error *err = NULL;
279 0ae84acc 2022-06-15 tracey for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
280 0ae84acc 2022-06-15 tracey if (pack_fds[i] == -1)
281 0ae84acc 2022-06-15 tracey continue;
282 0ae84acc 2022-06-15 tracey if (close(pack_fds[i]) == -1) {
283 0ae84acc 2022-06-15 tracey err = got_error_from_errno("close");
287 0ae84acc 2022-06-15 tracey free(pack_fds);
288 0ae84acc 2022-06-15 tracey pack_fds = NULL;
289 0ae84acc 2022-06-15 tracey return err;
292 0ae84acc 2022-06-15 tracey const struct got_error *
293 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
294 f6be5c30 2018-06-22 stsp struct got_object *obj)
296 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
297 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
298 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
300 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
301 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
302 79c99a64 2019-05-23 stsp err = NULL;
303 f6be5c30 2018-06-22 stsp return err;
305 f6be5c30 2018-06-22 stsp obj->refcnt++;
307 f6be5c30 2018-06-22 stsp return NULL;
310 7bb0daa1 2018-06-21 stsp struct got_object *
311 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
312 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
314 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
317 4027f31a 2017-11-04 stsp const struct got_error *
318 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
319 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
321 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
322 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
323 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
325 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
326 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
327 79c99a64 2019-05-23 stsp err = NULL;
328 f6be5c30 2018-06-22 stsp return err;
330 f6be5c30 2018-06-22 stsp tree->refcnt++;
332 f6be5c30 2018-06-22 stsp return NULL;
335 f6be5c30 2018-06-22 stsp struct got_tree_object *
336 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
337 f6be5c30 2018-06-22 stsp struct got_object_id *id)
339 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
340 6bef87be 2018-09-11 stsp &repo->treecache, id);
343 1943de01 2018-06-22 stsp const struct got_error *
344 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
345 1943de01 2018-06-22 stsp struct got_commit_object *commit)
347 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
348 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
349 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
351 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
352 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
353 79c99a64 2019-05-23 stsp err = NULL;
354 1943de01 2018-06-22 stsp return err;
356 1943de01 2018-06-22 stsp commit->refcnt++;
358 f6be5c30 2018-06-22 stsp return NULL;
361 1943de01 2018-06-22 stsp struct got_commit_object *
362 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
363 1943de01 2018-06-22 stsp struct got_object_id *id)
365 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
366 6bef87be 2018-09-11 stsp &repo->commitcache, id);
369 f4a881ce 2018-11-17 stsp const struct got_error *
370 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
371 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
373 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
374 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
375 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
377 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
378 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
379 79c99a64 2019-05-23 stsp err = NULL;
380 f4a881ce 2018-11-17 stsp return err;
382 f4a881ce 2018-11-17 stsp tag->refcnt++;
384 f4a881ce 2018-11-17 stsp return NULL;
387 f4a881ce 2018-11-17 stsp struct got_tag_object *
388 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
390 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
391 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
394 d3c116bf 2021-10-15 stsp const struct got_error *
395 d3c116bf 2021-10-15 stsp got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
396 d3c116bf 2021-10-15 stsp struct got_raw_object *raw)
398 d3c116bf 2021-10-15 stsp #ifndef GOT_NO_OBJ_CACHE
399 d3c116bf 2021-10-15 stsp const struct got_error *err = NULL;
400 d3c116bf 2021-10-15 stsp err = got_object_cache_add(&repo->rawcache, id, raw);
402 d3c116bf 2021-10-15 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
403 d3c116bf 2021-10-15 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
404 d3c116bf 2021-10-15 stsp err = NULL;
405 d3c116bf 2021-10-15 stsp return err;
407 d3c116bf 2021-10-15 stsp raw->refcnt++;
409 d3c116bf 2021-10-15 stsp return NULL;
413 d3c116bf 2021-10-15 stsp struct got_raw_object *
414 d3c116bf 2021-10-15 stsp got_repo_get_cached_raw_object(struct got_repository *repo,
415 d3c116bf 2021-10-15 stsp struct got_object_id *id)
417 d3c116bf 2021-10-15 stsp return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
421 991ff1aa 2021-06-15 tracey static const struct got_error *
422 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
424 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
426 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
428 85f51bba 2018-07-16 stsp /* bare git repository? */
429 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
430 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
431 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
432 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
433 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
434 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
435 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
436 6d5a9006 2020-12-16 yzhong goto done;
438 8bd0cdad 2021-12-31 stsp repo->gitdir_fd = open(repo->path_git_dir,
439 8bd0cdad 2021-12-31 stsp O_DIRECTORY | O_CLOEXEC);
440 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
441 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
442 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
445 85f51bba 2018-07-16 stsp return NULL;
448 85f51bba 2018-07-16 stsp /* git repository with working tree? */
449 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
450 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
451 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
452 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
455 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
456 85f51bba 2018-07-16 stsp repo->path = strdup(path);
457 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
458 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
461 8bd0cdad 2021-12-31 stsp repo->gitdir_fd = open(repo->path_git_dir,
462 8bd0cdad 2021-12-31 stsp O_DIRECTORY | O_CLOEXEC);
463 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
464 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
465 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
466 6d5a9006 2020-12-16 yzhong goto done;
468 85f51bba 2018-07-16 stsp return NULL;
471 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
474 ee645855 2019-02-05 stsp free(repo->path);
475 ee645855 2019-02-05 stsp repo->path = NULL;
476 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
477 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
478 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
479 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
480 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
483 aba9c984 2019-09-08 stsp return err;
486 aba9c984 2019-09-08 stsp static const struct got_error *
487 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
488 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
489 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
490 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
491 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
493 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
494 aba9c984 2019-09-08 stsp int fd = -1;
495 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
497 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
499 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
500 20b7abb3 2020-10-22 stsp if (extensions)
501 20b7abb3 2020-10-22 stsp *extensions = NULL;
502 20b7abb3 2020-10-22 stsp if (nextensions)
503 20b7abb3 2020-10-22 stsp *nextensions = 0;
504 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
505 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
506 2fb669fb 2020-03-20 stsp if (remotes)
507 2fb669fb 2020-03-20 stsp *remotes = NULL;
508 2fb669fb 2020-03-20 stsp if (nremotes)
509 2fb669fb 2020-03-20 stsp *nremotes = 0;
510 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
511 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
513 8bd0cdad 2021-12-31 stsp fd = open(gitconfig_path, O_RDONLY | O_CLOEXEC);
514 aba9c984 2019-09-08 stsp if (fd == -1) {
515 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
516 aba9c984 2019-09-08 stsp return NULL;
517 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
520 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
521 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
522 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
526 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
527 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
531 aba9c984 2019-09-08 stsp pid = fork();
532 aba9c984 2019-09-08 stsp if (pid == -1) {
533 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
535 aba9c984 2019-09-08 stsp } else if (pid == 0) {
536 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
537 c9956ddf 2019-09-08 stsp gitconfig_path);
538 aba9c984 2019-09-08 stsp /* not reached */
541 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
542 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
545 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
546 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
548 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
553 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
557 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
558 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
562 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
563 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
567 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
570 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
572 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
573 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
574 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
577 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
579 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
583 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
588 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
592 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
596 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
600 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
604 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
605 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
609 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
610 cd95becd 2019-11-29 stsp nremotes, ibuf);
615 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
616 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
619 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
624 aba9c984 2019-09-08 stsp err = got_privsep_send_stop(imsg_fds[0]);
625 aba9c984 2019-09-08 stsp child_err = got_privsep_wait_for_child(pid);
626 aba9c984 2019-09-08 stsp if (child_err && err == NULL)
627 aba9c984 2019-09-08 stsp err = child_err;
629 aba9c984 2019-09-08 stsp if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
630 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
631 aba9c984 2019-09-08 stsp if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
632 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
633 aba9c984 2019-09-08 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
634 aba9c984 2019-09-08 stsp err = got_error_from_errno2("close", gitconfig_path);
635 aba9c984 2019-09-08 stsp free(ibuf);
636 c9956ddf 2019-09-08 stsp return err;
639 c9956ddf 2019-09-08 stsp static const struct got_error *
640 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
642 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
643 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
645 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
646 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
647 c9956ddf 2019-09-08 stsp int dummy_repo_version;
648 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&dummy_repo_version,
649 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
650 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
651 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
653 c9956ddf 2019-09-08 stsp return err;
656 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
657 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
658 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
659 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
661 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&repo->gitconfig_repository_format_version,
662 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
663 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
664 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
665 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
669 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
670 257add31 2020-09-09 stsp return err;
673 257add31 2020-09-09 stsp static const struct got_error *
674 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
676 257add31 2020-09-09 stsp const struct got_error *err = NULL;
677 257add31 2020-09-09 stsp char *gotconfig_path;
679 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
680 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
681 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
683 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
684 257add31 2020-09-09 stsp free(gotconfig_path);
685 85f51bba 2018-07-16 stsp return err;
688 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
689 f134ecfd 2022-03-19 naddy static const char *const repo_extensions[] = {
690 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
691 2252c019 2021-07-03 stsp "preciousObjects", /* Supported by gotadmin cleanup. */
692 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
695 85f51bba 2018-07-16 stsp const struct got_error *
696 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
697 0ae84acc 2022-06-15 tracey const char *global_gitconfig_path, int *pack_fds)
699 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
700 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
701 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
702 0ae84acc 2022-06-15 tracey size_t i, j = 0;
703 6c414261 2021-03-30 stsp struct rlimit rl;
705 85f51bba 2018-07-16 stsp *repop = NULL;
707 6c414261 2021-03-30 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
708 6c414261 2021-03-30 stsp return got_error_from_errno("getrlimit");
710 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
711 c560c1f5 2022-03-14 op if (repo == NULL)
712 c560c1f5 2022-03-14 op return got_error_from_errno("calloc");
714 f8b19efd 2021-10-13 stsp RB_INIT(&repo->packidx_bloom_filters);
715 9b576444 2022-03-14 stsp TAILQ_INIT(&repo->packidx_paths);
717 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
718 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
719 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
720 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
723 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
724 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
727 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
728 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
731 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
732 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
735 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
736 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
739 d3c116bf 2021-10-15 stsp err = got_object_cache_init(&repo->rawcache,
740 d3c116bf 2021-10-15 stsp GOT_OBJECT_CACHE_TYPE_RAW);
744 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
745 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
746 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
747 57160834 2022-05-31 stsp for (i = 0; i < nitems(repo->packs); i++) {
748 57160834 2022-05-31 stsp if (i < repo->pack_cache_size) {
749 0ae84acc 2022-06-15 tracey repo->packs[i].basefd = pack_fds[j++];
750 0ae84acc 2022-06-15 tracey repo->packs[i].accumfd = pack_fds[j++];
752 57160834 2022-05-31 stsp repo->packs[i].basefd = -1;
753 57160834 2022-05-31 stsp repo->packs[i].accumfd = -1;
757 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
758 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
759 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
764 aff6eea4 2020-10-20 stsp char *parent_path;
766 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
767 85f51bba 2018-07-16 stsp if (err == NULL)
769 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
771 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
772 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
775 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
778 aff6eea4 2020-10-20 stsp free(repo_path);
779 aff6eea4 2020-10-20 stsp repo_path = parent_path;
782 257add31 2020-09-09 stsp err = read_gotconfig(repo);
786 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
789 aba9c984 2019-09-08 stsp if (repo->gitconfig_repository_format_version != 0)
790 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
791 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
792 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
793 20b7abb3 2020-10-22 stsp int j, supported = 0;
794 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
795 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
796 20b7abb3 2020-10-22 stsp supported = 1;
800 20b7abb3 2020-10-22 stsp if (!supported) {
801 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
806 9b576444 2022-03-14 stsp err = got_repo_list_packidx(&repo->packidx_paths, repo);
809 5c2f5761 2018-09-19 stsp got_repo_close(repo);
811 85f51bba 2018-07-16 stsp *repop = repo;
812 aff6eea4 2020-10-20 stsp free(repo_path);
813 92af5469 2017-11-05 stsp return err;
816 ad242220 2018-09-08 stsp const struct got_error *
817 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
819 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
820 f8b19efd 2021-10-13 stsp struct got_packidx_bloom_filter *bf;
821 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
824 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
825 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
827 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
830 f8b19efd 2021-10-13 stsp while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
831 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters))) {
832 f8b19efd 2021-10-13 stsp RB_REMOVE(got_packidx_bloom_filter_tree,
833 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, bf);
834 b343c297 2021-10-11 stsp free(bf->bloom);
838 0ae84acc 2022-06-15 tracey for (i = 0; i < repo->pack_cache_size; i++)
839 13242195 2022-05-31 stsp if (repo->packs[i].path_packfile)
840 0ae84acc 2022-06-15 tracey if (repo->packs[i].path_packfile)
841 0ae84acc 2022-06-15 tracey got_pack_close(&repo->packs[i]);
843 4027f31a 2017-11-04 stsp free(repo->path);
844 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
846 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
847 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
848 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
849 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
850 d3c116bf 2021-10-15 stsp got_object_cache_close(&repo->rawcache);
852 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
853 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
855 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
856 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
857 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
858 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
859 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
860 ad242220 2018-09-08 stsp if (child_err && err == NULL)
861 ad242220 2018-09-08 stsp err = child_err;
862 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
863 3a6ce05a 2019-02-11 stsp err == NULL)
864 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
867 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
868 1d0f4054 2021-06-17 stsp err == NULL)
869 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
871 50b0790e 2020-09-11 stsp if (repo->gotconfig)
872 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
873 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
874 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
875 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
876 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
877 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
878 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
879 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
880 20b7abb3 2020-10-22 stsp free(repo->extensions);
882 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry)
883 9b576444 2022-03-14 stsp free((void *)pe->path);
884 9b576444 2022-03-14 stsp got_pathlist_free(&repo->packidx_paths);
885 4027f31a 2017-11-04 stsp free(repo);
887 ad242220 2018-09-08 stsp return err;
891 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
895 b8adfa55 2020-09-25 stsp free(repo->name);
896 b8adfa55 2020-09-25 stsp repo->name = NULL;
897 6480c871 2021-08-30 stsp free(repo->fetch_url);
898 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
899 6480c871 2021-08-30 stsp free(repo->send_url);
900 6480c871 2021-08-30 stsp repo->send_url = NULL;
901 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
902 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
903 6480c871 2021-08-30 stsp free(repo->fetch_branches);
904 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
905 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
906 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
907 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
908 6480c871 2021-08-30 stsp free(repo->send_branches);
909 6480c871 2021-08-30 stsp repo->send_branches = NULL;
910 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
913 04ca23f4 2018-07-16 stsp const struct got_error *
914 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
915 8fa913ec 2020-11-14 stsp const char *input_path)
917 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
918 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
919 e83c0634 2020-01-27 stsp size_t repolen, len;
920 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
922 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
924 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
925 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
926 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
929 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
933 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
935 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
936 23721109 2018-10-22 stsp path = strdup(canonpath);
937 b70703ad 2019-03-18 stsp if (path == NULL) {
938 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
942 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
943 04ca23f4 2018-07-16 stsp if (path == NULL) {
944 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
945 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
950 b70703ad 2019-03-18 stsp * Path is not on disk.
951 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
953 b70703ad 2019-03-18 stsp path = strdup(canonpath);
954 b70703ad 2019-03-18 stsp if (path == NULL) {
955 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
960 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
961 04ca23f4 2018-07-16 stsp len = strlen(path);
964 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
965 04ca23f4 2018-07-16 stsp free(path);
966 04ca23f4 2018-07-16 stsp path = strdup("");
967 04ca23f4 2018-07-16 stsp if (path == NULL) {
968 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
971 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
972 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
973 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
974 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
976 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
977 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
979 abc59930 2021-09-05 naddy free(path);
980 abc59930 2021-09-05 naddy path = canonpath;
981 abc59930 2021-09-05 naddy canonpath = NULL;
983 04ca23f4 2018-07-16 stsp char *child;
984 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
985 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
986 04ca23f4 2018-07-16 stsp repo_abspath, path);
989 04ca23f4 2018-07-16 stsp free(path);
990 04ca23f4 2018-07-16 stsp path = child;
994 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
995 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
997 abc59930 2021-09-05 naddy free(path);
998 abc59930 2021-09-05 naddy path = canonpath;
999 abc59930 2021-09-05 naddy canonpath = NULL;
1003 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
1004 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
1005 04ca23f4 2018-07-16 stsp char *abspath;
1006 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
1007 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1008 04ca23f4 2018-07-16 stsp goto done;
1010 04ca23f4 2018-07-16 stsp free(path);
1011 04ca23f4 2018-07-16 stsp path = abspath;
1015 04ca23f4 2018-07-16 stsp free(canonpath);
1017 04ca23f4 2018-07-16 stsp free(path);
1019 04ca23f4 2018-07-16 stsp *in_repo_path = path;
1020 1510f469 2018-09-09 stsp return err;
1023 e1a68182 2020-01-07 stsp static const struct got_error *
1024 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
1025 e1a68182 2020-01-07 stsp const char *path_packidx)
1027 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1030 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1031 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1033 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1034 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1035 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1038 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1039 7a0b1068 2021-10-11 stsp i = repo->pack_cache_size - 1;
1040 7a0b1068 2021-10-11 stsp err = got_packidx_close(repo->packidx_cache[i]);
1042 1510f469 2018-09-09 stsp return err;
1045 7a0b1068 2021-10-11 stsp repo->packidx_cache[i] = packidx;
1047 1510f469 2018-09-09 stsp return NULL;
1051 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
1053 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
1056 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
1059 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
1060 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
1066 f8b19efd 2021-10-13 stsp static struct got_packidx_bloom_filter *
1067 f8b19efd 2021-10-13 stsp get_packidx_bloom_filter(struct got_repository *repo,
1068 f8b19efd 2021-10-13 stsp const char *path, size_t path_len)
1070 f8b19efd 2021-10-13 stsp struct got_packidx_bloom_filter key;
1072 f8b19efd 2021-10-13 stsp if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
1073 f8b19efd 2021-10-13 stsp return NULL; /* XXX */
1074 f8b19efd 2021-10-13 stsp key.path_len = path_len;
1076 f8b19efd 2021-10-13 stsp return RB_FIND(got_packidx_bloom_filter_tree,
1077 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, &key);
1081 67fd6849 2022-02-13 stsp got_repo_check_packidx_bloom_filter(struct got_repository *repo,
1082 b343c297 2021-10-11 stsp const char *path_packidx, struct got_object_id *id)
1084 b343c297 2021-10-11 stsp struct got_packidx_bloom_filter *bf;
1086 f8b19efd 2021-10-13 stsp bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
1088 f8b19efd 2021-10-13 stsp return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
1090 b343c297 2021-10-11 stsp /* No bloom filter means this pack index must be searched. */
1094 b343c297 2021-10-11 stsp static const struct got_error *
1095 b343c297 2021-10-11 stsp add_packidx_bloom_filter(struct got_repository *repo,
1096 b343c297 2021-10-11 stsp struct got_packidx *packidx, const char *path_packidx)
1098 b343c297 2021-10-11 stsp int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1099 b343c297 2021-10-11 stsp struct got_packidx_bloom_filter *bf;
1100 b343c297 2021-10-11 stsp size_t len;
1103 b343c297 2021-10-11 stsp * Don't use bloom filters for very large pack index files.
1104 b343c297 2021-10-11 stsp * Large pack files will contain a relatively large fraction
1105 b343c297 2021-10-11 stsp * of our objects so we will likely need to visit them anyway.
1106 b343c297 2021-10-11 stsp * The more objects a pack file contains the higher the probability
1107 b343c297 2021-10-11 stsp * of a false-positive match from the bloom filter. And reading
1108 b343c297 2021-10-11 stsp * all object IDs from a large pack index file can be expensive.
1110 b343c297 2021-10-11 stsp if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1111 b343c297 2021-10-11 stsp return NULL;
1113 b343c297 2021-10-11 stsp /* Do we already have a filter for this pack index? */
1114 f8b19efd 2021-10-13 stsp if (get_packidx_bloom_filter(repo, path_packidx,
1115 f8b19efd 2021-10-13 stsp strlen(path_packidx)) != NULL)
1116 f8b19efd 2021-10-13 stsp return NULL;
1118 b343c297 2021-10-11 stsp bf = calloc(1, sizeof(*bf));
1119 b343c297 2021-10-11 stsp if (bf == NULL)
1120 b343c297 2021-10-11 stsp return got_error_from_errno("calloc");
1121 b343c297 2021-10-11 stsp bf->bloom = calloc(1, sizeof(*bf->bloom));
1122 b343c297 2021-10-11 stsp if (bf->bloom == NULL) {
1124 b343c297 2021-10-11 stsp return got_error_from_errno("calloc");
1127 f8b19efd 2021-10-13 stsp len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1128 f8b19efd 2021-10-13 stsp if (len >= sizeof(bf->path)) {
1129 b343c297 2021-10-11 stsp free(bf->bloom);
1131 b343c297 2021-10-11 stsp return got_error(GOT_ERR_NO_SPACE);
1133 f8b19efd 2021-10-13 stsp bf->path_len = len;
1135 b343c297 2021-10-11 stsp /* Minimum size supported by our bloom filter is 1000 entries. */
1136 b343c297 2021-10-11 stsp bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1137 b343c297 2021-10-11 stsp for (i = 0; i < nobjects; i++) {
1138 b343c297 2021-10-11 stsp struct got_packidx_object_id *id;
1139 b343c297 2021-10-11 stsp id = &packidx->hdr.sorted_ids[i];
1140 b343c297 2021-10-11 stsp bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1143 f8b19efd 2021-10-13 stsp RB_INSERT(got_packidx_bloom_filter_tree,
1144 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, bf);
1145 b343c297 2021-10-11 stsp return NULL;
1148 1510f469 2018-09-09 stsp const struct got_error *
1149 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1150 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
1152 1510f469 2018-09-09 stsp const struct got_error *err;
1153 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
1156 1510f469 2018-09-09 stsp /* Search pack index cache. */
1157 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1158 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1160 67fd6849 2022-02-13 stsp if (!got_repo_check_packidx_bloom_filter(repo,
1161 b343c297 2021-10-11 stsp repo->packidx_cache[i]->path_packidx, id))
1162 b343c297 2021-10-11 stsp continue; /* object will not be found in this index */
1163 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1164 1510f469 2018-09-09 stsp if (*idx != -1) {
1165 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
1167 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
1168 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
1170 87c1ed2b 2020-01-07 stsp if (i > 0) {
1171 7a0b1068 2021-10-11 stsp memmove(&repo->packidx_cache[1],
1172 7a0b1068 2021-10-11 stsp &repo->packidx_cache[0],
1173 7a0b1068 2021-10-11 stsp i * sizeof(repo->packidx_cache[0]));
1174 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
1176 1510f469 2018-09-09 stsp return NULL;
1179 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
1181 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1182 9b576444 2022-03-14 stsp const char *path_packidx = pe->path;
1183 e1a68182 2020-01-07 stsp int is_cached = 0;
1185 67fd6849 2022-02-13 stsp if (!got_repo_check_packidx_bloom_filter(repo,
1186 9b576444 2022-03-14 stsp pe->path, id))
1187 b343c297 2021-10-11 stsp continue; /* object will not be found in this index */
1189 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1190 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1192 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1193 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1194 e1a68182 2020-01-07 stsp is_cached = 1;
1198 9b576444 2022-03-14 stsp if (is_cached)
1199 e1a68182 2020-01-07 stsp continue; /* already searched */
1201 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1202 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1204 e1a68182 2020-01-07 stsp goto done;
1206 b343c297 2021-10-11 stsp err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1208 b343c297 2021-10-11 stsp goto done;
1210 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1212 1510f469 2018-09-09 stsp goto done;
1214 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1215 1510f469 2018-09-09 stsp if (*idx != -1) {
1216 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1217 1510f469 2018-09-09 stsp goto done;
1221 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1223 04ca23f4 2018-07-16 stsp return err;
1226 67fd6849 2022-02-13 stsp const struct got_error *
1227 67fd6849 2022-02-13 stsp got_repo_list_packidx(struct got_pathlist_head *packidx_paths,
1228 67fd6849 2022-02-13 stsp struct got_repository *repo)
1230 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
1231 67fd6849 2022-02-13 stsp DIR *packdir = NULL;
1232 67fd6849 2022-02-13 stsp struct dirent *dent;
1233 67fd6849 2022-02-13 stsp char *path_packidx = NULL;
1234 67fd6849 2022-02-13 stsp int packdir_fd;
1236 67fd6849 2022-02-13 stsp packdir_fd = openat(got_repo_get_fd(repo),
1237 67fd6849 2022-02-13 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1238 67fd6849 2022-02-13 stsp if (packdir_fd == -1) {
1239 67fd6849 2022-02-13 stsp return got_error_from_errno_fmt("openat: %s/%s",
1240 67fd6849 2022-02-13 stsp got_repo_get_path_git_dir(repo),
1241 67fd6849 2022-02-13 stsp GOT_OBJECTS_PACK_DIR);
1244 67fd6849 2022-02-13 stsp packdir = fdopendir(packdir_fd);
1245 67fd6849 2022-02-13 stsp if (packdir == NULL) {
1246 67fd6849 2022-02-13 stsp err = got_error_from_errno("fdopendir");
1247 67fd6849 2022-02-13 stsp goto done;
1250 67fd6849 2022-02-13 stsp while ((dent = readdir(packdir)) != NULL) {
1251 67fd6849 2022-02-13 stsp if (!got_repo_is_packidx_filename(dent->d_name, dent->d_namlen))
1254 67fd6849 2022-02-13 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1255 67fd6849 2022-02-13 stsp dent->d_name) == -1) {
1256 67fd6849 2022-02-13 stsp err = got_error_from_errno("asprintf");
1257 67fd6849 2022-02-13 stsp path_packidx = NULL;
1261 67fd6849 2022-02-13 stsp err = got_pathlist_append(packidx_paths, path_packidx, NULL);
1267 67fd6849 2022-02-13 stsp free(path_packidx);
1268 67fd6849 2022-02-13 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1269 67fd6849 2022-02-13 stsp err = got_error_from_errno("closedir");
1270 67fd6849 2022-02-13 stsp return err;
1273 67fd6849 2022-02-13 stsp const struct got_error *
1274 67fd6849 2022-02-13 stsp got_repo_get_packidx(struct got_packidx **packidx, const char *path_packidx,
1275 67fd6849 2022-02-13 stsp struct got_repository *repo)
1277 67fd6849 2022-02-13 stsp const struct got_error *err;
1280 67fd6849 2022-02-13 stsp *packidx = NULL;
1282 67fd6849 2022-02-13 stsp /* Search pack index cache. */
1283 67fd6849 2022-02-13 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1284 67fd6849 2022-02-13 stsp if (repo->packidx_cache[i] == NULL)
1286 67fd6849 2022-02-13 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1287 67fd6849 2022-02-13 stsp path_packidx) == 0) {
1288 67fd6849 2022-02-13 stsp *packidx = repo->packidx_cache[i];
1289 67fd6849 2022-02-13 stsp return NULL;
1292 67fd6849 2022-02-13 stsp /* No luck. Search the filesystem. */
1294 67fd6849 2022-02-13 stsp err = got_packidx_open(packidx, got_repo_get_fd(repo),
1295 67fd6849 2022-02-13 stsp path_packidx, 0);
1297 67fd6849 2022-02-13 stsp return err;
1299 67fd6849 2022-02-13 stsp err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1301 67fd6849 2022-02-13 stsp goto done;
1303 67fd6849 2022-02-13 stsp err = cache_packidx(repo, *packidx, path_packidx);
1305 67fd6849 2022-02-13 stsp if (err) {
1306 67fd6849 2022-02-13 stsp got_packidx_close(*packidx);
1307 67fd6849 2022-02-13 stsp *packidx = NULL;
1309 67fd6849 2022-02-13 stsp return err;
1312 1510f469 2018-09-09 stsp static const struct got_error *
1313 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1315 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1316 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1317 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1318 1510f469 2018-09-09 stsp ssize_t n;
1320 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1321 1510f469 2018-09-09 stsp if (n < 0)
1322 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1323 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1324 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1326 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1327 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1328 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1329 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1331 1510f469 2018-09-09 stsp return err;
1334 1510f469 2018-09-09 stsp static const struct got_error *
1335 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1336 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1338 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1340 e7ae0baf 2021-12-31 stsp *fd = openat(got_repo_get_fd(repo), relpath,
1341 e7ae0baf 2021-12-31 stsp O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
1342 1510f469 2018-09-09 stsp if (*fd == -1)
1343 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1344 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1346 1510f469 2018-09-09 stsp if (packidx) {
1347 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1348 1510f469 2018-09-09 stsp if (err) {
1349 1510f469 2018-09-09 stsp close(*fd);
1354 1510f469 2018-09-09 stsp return err;
1357 1510f469 2018-09-09 stsp const struct got_error *
1358 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1359 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1361 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1362 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1363 ff563a3d 2019-05-23 stsp struct stat sb;
1366 1510f469 2018-09-09 stsp if (packp)
1367 1510f469 2018-09-09 stsp *packp = NULL;
1369 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1370 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1371 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1373 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1374 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1377 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1378 6a881297 2022-06-02 stsp struct got_pack tmp;
1379 1510f469 2018-09-09 stsp err = got_pack_close(&repo->packs[i - 1]);
1381 1510f469 2018-09-09 stsp return err;
1382 57160834 2022-05-31 stsp if (ftruncate(repo->packs[i - 1].basefd, 0L) == -1)
1383 57160834 2022-05-31 stsp return got_error_from_errno("ftruncate");
1384 57160834 2022-05-31 stsp if (ftruncate(repo->packs[i - 1].accumfd, 0L) == -1)
1385 57160834 2022-05-31 stsp return got_error_from_errno("ftruncate");
1386 6a881297 2022-06-02 stsp memcpy(&tmp, &repo->packs[i - 1], sizeof(tmp));
1387 6a881297 2022-06-02 stsp memcpy(&repo->packs[i - 1], &repo->packs[0],
1388 6a881297 2022-06-02 stsp sizeof(repo->packs[i - 1]));
1389 6a881297 2022-06-02 stsp memcpy(&repo->packs[0], &tmp, sizeof(repo->packs[0]));
1393 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1395 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1396 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1397 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1398 1510f469 2018-09-09 stsp goto done;
1401 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1403 1510f469 2018-09-09 stsp goto done;
1405 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1406 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1407 1510f469 2018-09-09 stsp goto done;
1409 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1411 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1413 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1414 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1415 1510f469 2018-09-09 stsp pack->fd, 0);
1416 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1417 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1418 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1419 3a11398b 2019-02-21 stsp goto done;
1421 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1425 1510f469 2018-09-09 stsp if (err) {
1426 1510f469 2018-09-09 stsp if (pack) {
1427 1510f469 2018-09-09 stsp free(pack->path_packfile);
1428 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1430 1510f469 2018-09-09 stsp } else if (packp)
1431 1510f469 2018-09-09 stsp *packp = pack;
1432 1510f469 2018-09-09 stsp return err;
1435 1510f469 2018-09-09 stsp struct got_pack *
1436 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1438 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1441 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1442 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1443 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1445 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1446 1510f469 2018-09-09 stsp return pack;
1449 2c7829a4 2019-06-17 stsp return NULL;
1452 2c7829a4 2019-06-17 stsp const struct got_error *
1453 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1455 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1456 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1457 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1458 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1459 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1461 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1462 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1463 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1464 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1465 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1466 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1467 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1468 2c7829a4 2019-06-17 stsp char *path;
1471 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1472 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1474 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1475 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1476 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1478 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1479 2c7829a4 2019-06-17 stsp free(path);
1481 2c7829a4 2019-06-17 stsp return err;
1484 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1485 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1486 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1487 2c7829a4 2019-06-17 stsp free(path);
1489 2c7829a4 2019-06-17 stsp return err;
1491 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1492 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1493 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1494 2c7829a4 2019-06-17 stsp free(path);
1496 2c7829a4 2019-06-17 stsp return err;
1498 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1499 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1500 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1501 2c7829a4 2019-06-17 stsp free(path);
1503 2c7829a4 2019-06-17 stsp return err;
1505 1510f469 2018-09-09 stsp return NULL;
1508 e09a504c 2019-06-28 stsp static const struct got_error *
1509 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1510 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1512 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1513 9b576444 2022-03-14 stsp struct got_object_id_queue matched_ids;
1514 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
1516 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1518 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1519 9b576444 2022-03-14 stsp const char *path_packidx = pe->path;
1520 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1521 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1523 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1524 6d5a9006 2020-12-16 yzhong path_packidx, 0);
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,
1542 d7b5a0e8 2022-04-20 stsp &qid->id);
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 d7b5a0e8 2022-04-20 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 d7b5a0e8 2022-04-20 stsp if (got_object_id_cmp(*unique_id,
1556 d7b5a0e8 2022-04-20 stsp &qid->id) == 0)
1557 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1558 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1559 561c3678 2019-07-02 stsp goto done;
1564 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1565 e09a504c 2019-06-28 stsp if (err) {
1566 e09a504c 2019-06-28 stsp free(*unique_id);
1567 e09a504c 2019-06-28 stsp *unique_id = NULL;
1569 e09a504c 2019-06-28 stsp return err;
1572 e09a504c 2019-06-28 stsp static const struct got_error *
1573 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1574 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1575 e09a504c 2019-06-28 stsp struct got_repository *repo)
1577 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1578 e09a504c 2019-06-28 stsp char *path;
1579 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1580 e09a504c 2019-06-28 stsp struct dirent *dent;
1581 e09a504c 2019-06-28 stsp struct got_object_id id;
1583 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1584 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1585 e09a504c 2019-06-28 stsp goto done;
1588 e09a504c 2019-06-28 stsp dir = opendir(path);
1589 e09a504c 2019-06-28 stsp if (dir == NULL) {
1590 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1591 4277420a 2019-06-29 stsp err = NULL;
1592 4277420a 2019-06-29 stsp goto done;
1594 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1595 e09a504c 2019-06-28 stsp goto done;
1597 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1598 e09a504c 2019-06-28 stsp char *id_str;
1601 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1602 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1605 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1606 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1607 e09a504c 2019-06-28 stsp goto done;
1610 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1614 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1615 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1617 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1618 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1619 e09a504c 2019-06-28 stsp free(id_str);
1623 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1624 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1625 dd88155e 2019-06-29 stsp int matched_type;
1626 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1629 dd88155e 2019-06-29 stsp goto done;
1630 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1633 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1634 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1635 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1636 e09a504c 2019-06-28 stsp free(id_str);
1637 e09a504c 2019-06-28 stsp goto done;
1640 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1641 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1642 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1643 e09a504c 2019-06-28 stsp free(id_str);
1644 e09a504c 2019-06-28 stsp goto done;
1648 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1649 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1650 e09a504c 2019-06-28 stsp if (err) {
1651 e09a504c 2019-06-28 stsp free(*unique_id);
1652 e09a504c 2019-06-28 stsp *unique_id = NULL;
1654 e09a504c 2019-06-28 stsp free(path);
1655 e09a504c 2019-06-28 stsp return err;
1658 e09a504c 2019-06-28 stsp const struct got_error *
1659 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1660 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1662 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1663 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1664 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1665 e09a504c 2019-06-28 stsp size_t len;
1668 4277420a 2019-06-29 stsp *id = NULL;
1670 0e6ab4b2 2022-03-10 stsp len = strlen(id_str_prefix);
1671 0e6ab4b2 2022-03-10 stsp if (len > SHA1_DIGEST_STRING_LENGTH - 1)
1672 0e6ab4b2 2022-03-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1674 0e6ab4b2 2022-03-10 stsp for (i = 0; i < len; i++) {
1675 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1677 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1680 e09a504c 2019-06-28 stsp if (len >= 2) {
1681 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1683 83c8b3b8 2019-06-29 stsp goto done;
1684 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1685 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1686 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1687 83c8b3b8 2019-06-29 stsp goto done;
1689 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1690 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1691 e09a504c 2019-06-28 stsp } else if (len == 1) {
1693 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1694 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1696 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1697 83c8b3b8 2019-06-29 stsp goto done;
1699 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1700 dd88155e 2019-06-29 stsp obj_type);
1702 83c8b3b8 2019-06-29 stsp goto done;
1703 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1704 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1706 83c8b3b8 2019-06-29 stsp goto done;
1709 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1710 83c8b3b8 2019-06-29 stsp goto done;
1713 e09a504c 2019-06-28 stsp free(object_dir);
1714 4277420a 2019-06-29 stsp if (err) {
1715 4277420a 2019-06-29 stsp free(*id);
1716 4277420a 2019-06-29 stsp *id = NULL;
1717 138e4f47 2021-10-09 stsp } else if (*id == NULL) {
1718 138e4f47 2021-10-09 stsp switch (obj_type) {
1719 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_BLOB:
1720 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1721 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_BLOB, id_str_prefix);
1723 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_TREE:
1724 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1725 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TREE, id_str_prefix);
1727 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_COMMIT:
1728 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1729 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_COMMIT, id_str_prefix);
1731 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_TAG:
1732 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1733 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TAG, id_str_prefix);
1736 138e4f47 2021-10-09 stsp err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1741 303e2782 2019-08-09 stsp return err;
1744 303e2782 2019-08-09 stsp const struct got_error *
1745 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1746 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1747 71a27632 2020-01-15 stsp struct got_repository *repo)
1749 71a27632 2020-01-15 stsp const struct got_error *err;
1750 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1751 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1753 71a27632 2020-01-15 stsp *id = NULL;
1754 71a27632 2020-01-15 stsp if (label)
1755 71a27632 2020-01-15 stsp *label = NULL;
1757 84de9106 2020-12-26 stsp if (refs) {
1758 237cfda1 2021-10-08 stsp err = got_repo_object_match_tag(&tag, id_str, obj_type,
1759 84de9106 2020-12-26 stsp refs, repo);
1760 71a27632 2020-01-15 stsp if (err == NULL) {
1761 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1762 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1763 71a27632 2020-01-15 stsp if (*id == NULL)
1764 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1765 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1766 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1767 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1768 71a27632 2020-01-15 stsp free(*id);
1769 71a27632 2020-01-15 stsp *id = NULL;
1771 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1772 71a27632 2020-01-15 stsp return err;
1773 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1774 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1775 71a27632 2020-01-15 stsp return err;
1778 0ed2285b 2022-03-09 stsp err = got_ref_open(&ref, repo, id_str, 0);
1779 0ed2285b 2022-03-09 stsp if (err == NULL) {
1780 0ed2285b 2022-03-09 stsp err = got_ref_resolve(id, repo, ref);
1782 71a27632 2020-01-15 stsp goto done;
1783 71a27632 2020-01-15 stsp if (label) {
1784 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1785 71a27632 2020-01-15 stsp if (*label == NULL) {
1786 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1787 71a27632 2020-01-15 stsp goto done;
1791 0ed2285b 2022-03-09 stsp if (err->code != GOT_ERR_NOT_REF &&
1792 0ed2285b 2022-03-09 stsp err->code != GOT_ERR_BAD_REF_NAME)
1793 71a27632 2020-01-15 stsp goto done;
1794 0ed2285b 2022-03-09 stsp err = got_repo_match_object_id_prefix(id, id_str,
1795 0ed2285b 2022-03-09 stsp obj_type, repo);
1796 0ed2285b 2022-03-09 stsp if (err) {
1797 0ed2285b 2022-03-09 stsp if (err->code == GOT_ERR_BAD_OBJ_ID_STR)
1798 0ed2285b 2022-03-09 stsp err = got_error_not_ref(id_str);
1799 0ed2285b 2022-03-09 stsp goto done;
1801 0ed2285b 2022-03-09 stsp if (label) {
1802 0ed2285b 2022-03-09 stsp err = got_object_id_str(label, *id);
1803 0ed2285b 2022-03-09 stsp if (*label == NULL) {
1804 0ed2285b 2022-03-09 stsp err = got_error_from_errno("strdup");
1805 0ed2285b 2022-03-09 stsp goto done;
1811 71a27632 2020-01-15 stsp got_ref_close(ref);
1812 71a27632 2020-01-15 stsp return err;
1815 71a27632 2020-01-15 stsp const struct got_error *
1816 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1817 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1819 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1820 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1821 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1822 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1824 303e2782 2019-08-09 stsp *tag = NULL;
1826 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1827 303e2782 2019-08-09 stsp const char *refname;
1828 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1829 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1831 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1833 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1834 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1835 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1837 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1840 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1841 303e2782 2019-08-09 stsp free(tag_id);
1844 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1845 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1847 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1848 303e2782 2019-08-09 stsp *tag = NULL;
1851 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1852 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1853 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TAG, name);
1854 e09a504c 2019-06-28 stsp return err;
1857 3ce1b845 2019-07-15 stsp static const struct got_error *
1858 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1859 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1861 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1863 3ce1b845 2019-07-15 stsp *new_te = NULL;
1865 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1866 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1867 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1869 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1870 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1871 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1872 3ce1b845 2019-07-15 stsp goto done;
1875 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1876 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1878 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1879 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1881 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1883 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1884 56e0773d 2019-11-28 stsp free(*new_te);
1885 3ce1b845 2019-07-15 stsp *new_te = NULL;
1887 3ce1b845 2019-07-15 stsp return err;
1890 3ce1b845 2019-07-15 stsp static const struct got_error *
1891 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1892 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1894 3ce1b845 2019-07-15 stsp const struct got_error *err;
1895 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1896 3ce1b845 2019-07-15 stsp char *filepath;
1897 3ce1b845 2019-07-15 stsp struct stat sb;
1899 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1900 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1901 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1903 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1904 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1905 3ce1b845 2019-07-15 stsp goto done;
1908 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1910 3ce1b845 2019-07-15 stsp goto done;
1912 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1915 3ce1b845 2019-07-15 stsp free(filepath);
1917 3ce1b845 2019-07-15 stsp free(blob_id);
1918 3ce1b845 2019-07-15 stsp return err;
1921 3ce1b845 2019-07-15 stsp static const struct got_error *
1922 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1923 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1925 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1926 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
1928 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
1930 3ce1b845 2019-07-15 stsp return err;
1931 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
1932 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
1933 3ce1b845 2019-07-15 stsp return NULL;
1936 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
1937 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
1938 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
1940 3ce1b845 2019-07-15 stsp static const struct got_error *
1941 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
1942 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
1943 3ce1b845 2019-07-15 stsp struct got_repository *repo,
1944 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1946 3ce1b845 2019-07-15 stsp const struct got_error *err;
1947 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
1948 3ce1b845 2019-07-15 stsp char *subdirpath;
1950 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
1951 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1952 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1954 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
1955 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
1956 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
1957 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
1958 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
1959 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1960 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1961 3ce1b845 2019-07-15 stsp goto done;
1963 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
1964 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1966 56e0773d 2019-11-28 stsp goto done;
1967 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
1971 3ce1b845 2019-07-15 stsp free(subdirpath);
1972 3ce1b845 2019-07-15 stsp if (err) {
1973 56e0773d 2019-11-28 stsp free(*new_te);
1974 3ce1b845 2019-07-15 stsp *new_te = NULL;
1976 3ce1b845 2019-07-15 stsp return err;
1979 3ce1b845 2019-07-15 stsp static const struct got_error *
1980 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
1981 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
1982 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1984 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1986 3ce1b845 2019-07-15 stsp struct dirent *de;
1987 56e0773d 2019-11-28 stsp int nentries;
1988 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
1989 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
1990 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
1992 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
1994 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
1996 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
1997 3ce1b845 2019-07-15 stsp if (dir == NULL) {
1998 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
1999 3ce1b845 2019-07-15 stsp goto done;
2002 56e0773d 2019-11-28 stsp nentries = 0;
2003 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
2004 3ce1b845 2019-07-15 stsp int ignore = 0;
2007 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
2008 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
2011 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
2012 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
2013 3ce1b845 2019-07-15 stsp ignore = 1;
2017 3ce1b845 2019-07-15 stsp if (ignore)
2020 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
2022 20ccae39 2020-07-21 stsp goto done;
2024 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
2025 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
2026 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
2027 db1d3576 2019-10-04 stsp if (err) {
2028 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
2029 db1d3576 2019-10-04 stsp goto done;
2030 db1d3576 2019-10-04 stsp err = NULL;
2033 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
2034 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
2036 3ce1b845 2019-07-15 stsp goto done;
2040 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
2042 3ce1b845 2019-07-15 stsp goto done;
2043 56e0773d 2019-11-28 stsp nentries++;
2046 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
2047 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
2048 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
2049 db1d3576 2019-10-04 stsp goto done;
2052 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
2053 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
2054 3ce1b845 2019-07-15 stsp char *path;
2055 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
2057 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
2058 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
2059 3ce1b845 2019-07-15 stsp goto done;
2061 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
2062 3ce1b845 2019-07-15 stsp free(path);
2064 3ce1b845 2019-07-15 stsp goto done;
2067 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
2070 3ce1b845 2019-07-15 stsp closedir(dir);
2071 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
2072 3ce1b845 2019-07-15 stsp return err;
2075 3ce1b845 2019-07-15 stsp const struct got_error *
2076 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
2077 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
2078 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
2079 3ce1b845 2019-07-15 stsp void *progress_arg)
2081 3ce1b845 2019-07-15 stsp const struct got_error *err;
2082 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
2084 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
2085 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2087 3ce1b845 2019-07-15 stsp return err;
2089 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
2090 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
2091 3ce1b845 2019-07-15 stsp free(new_tree_id);
2092 20662ea0 2021-04-10 stsp return err;
2095 20662ea0 2021-04-10 stsp const struct got_error *
2096 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
2097 20662ea0 2021-04-10 stsp struct got_repository *repo)
2099 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
2100 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
2101 20662ea0 2021-04-10 stsp DIR *dir = NULL;
2102 20662ea0 2021-04-10 stsp struct got_object_id id;
2105 20662ea0 2021-04-10 stsp *nobjects = 0;
2106 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2108 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
2109 20662ea0 2021-04-10 stsp if (path_objects == NULL)
2110 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
2112 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
2113 20662ea0 2021-04-10 stsp struct dirent *dent;
2115 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2116 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2120 20662ea0 2021-04-10 stsp dir = opendir(path);
2121 20662ea0 2021-04-10 stsp if (dir == NULL) {
2122 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
2123 20662ea0 2021-04-10 stsp err = NULL;
2126 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
2130 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
2131 20662ea0 2021-04-10 stsp char *id_str;
2133 20662ea0 2021-04-10 stsp struct stat sb;
2135 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
2136 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
2139 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2140 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2141 20662ea0 2021-04-10 stsp goto done;
2144 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
2145 20662ea0 2021-04-10 stsp free(id_str);
2148 20662ea0 2021-04-10 stsp free(id_str);
2150 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
2152 20662ea0 2021-04-10 stsp goto done;
2154 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
2155 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
2156 20662ea0 2021-04-10 stsp close(fd);
2157 20662ea0 2021-04-10 stsp goto done;
2159 20662ea0 2021-04-10 stsp (*nobjects)++;
2160 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
2162 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
2163 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
2164 20662ea0 2021-04-10 stsp goto done;
2168 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
2169 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2170 20662ea0 2021-04-10 stsp goto done;
2172 20662ea0 2021-04-10 stsp dir = NULL;
2174 20662ea0 2021-04-10 stsp free(path);
2175 20662ea0 2021-04-10 stsp path = NULL;
2178 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
2179 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2181 20662ea0 2021-04-10 stsp if (err) {
2182 20662ea0 2021-04-10 stsp *nobjects = 0;
2183 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2185 20662ea0 2021-04-10 stsp free(path_objects);
2186 20662ea0 2021-04-10 stsp free(path);
2187 3ce1b845 2019-07-15 stsp return err;
2190 20662ea0 2021-04-10 stsp const struct got_error *
2191 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2192 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
2194 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
2195 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
2196 20662ea0 2021-04-10 stsp struct dirent *dent;
2197 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
2198 20662ea0 2021-04-10 stsp char *path_packidx;
2199 20662ea0 2021-04-10 stsp char *path_packfile;
2200 20662ea0 2021-04-10 stsp int packdir_fd;
2201 20662ea0 2021-04-10 stsp struct stat sb;
2203 20662ea0 2021-04-10 stsp *npackfiles = 0;
2204 20662ea0 2021-04-10 stsp *nobjects = 0;
2205 20662ea0 2021-04-10 stsp *total_packsize = 0;
2207 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
2208 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2209 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
2210 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
2211 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
2212 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
2215 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
2216 20662ea0 2021-04-10 stsp if (packdir == NULL) {
2217 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
2218 20662ea0 2021-04-10 stsp goto done;
2221 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
2222 1124fe40 2021-07-07 stsp if (!got_repo_is_packidx_filename(dent->d_name, dent->d_namlen))
2225 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2226 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
2227 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2228 20662ea0 2021-04-10 stsp goto done;
2231 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2232 20662ea0 2021-04-10 stsp path_packidx, 0);
2233 20662ea0 2021-04-10 stsp free(path_packidx);
2235 20662ea0 2021-04-10 stsp goto done;
2237 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
2238 20662ea0 2021-04-10 stsp goto done;
2239 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2241 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2242 aea75d87 2021-07-06 stsp packidx->path_packidx);
2244 20662ea0 2021-04-10 stsp goto done;
2246 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2247 20662ea0 2021-04-10 stsp 0) == -1) {
2248 20662ea0 2021-04-10 stsp free(path_packfile);
2249 20662ea0 2021-04-10 stsp goto done;
2251 20662ea0 2021-04-10 stsp free(path_packfile);
2252 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2254 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2256 20662ea0 2021-04-10 stsp (*npackfiles)++;
2258 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2259 20662ea0 2021-04-10 stsp packidx = NULL;
2262 20662ea0 2021-04-10 stsp if (packidx)
2263 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2264 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2265 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2266 20662ea0 2021-04-10 stsp if (err) {
2267 20662ea0 2021-04-10 stsp *npackfiles = 0;
2268 20662ea0 2021-04-10 stsp *nobjects = 0;
2269 20662ea0 2021-04-10 stsp *total_packsize = 0;
2271 20662ea0 2021-04-10 stsp return err;
2274 f8b19efd 2021-10-13 stsp RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2275 f8b19efd 2021-10-13 stsp got_packidx_bloom_filter_cmp);
