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 return err;
291 0ae84acc 2022-06-15 tracey const struct got_error *
292 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
293 f6be5c30 2018-06-22 stsp struct got_object *obj)
295 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
296 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
297 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
299 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
300 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
301 79c99a64 2019-05-23 stsp err = NULL;
302 f6be5c30 2018-06-22 stsp return err;
304 f6be5c30 2018-06-22 stsp obj->refcnt++;
306 f6be5c30 2018-06-22 stsp return NULL;
309 7bb0daa1 2018-06-21 stsp struct got_object *
310 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
311 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
313 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
316 4027f31a 2017-11-04 stsp const struct got_error *
317 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
318 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
320 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
321 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
322 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
324 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
325 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
326 79c99a64 2019-05-23 stsp err = NULL;
327 f6be5c30 2018-06-22 stsp return err;
329 f6be5c30 2018-06-22 stsp tree->refcnt++;
331 f6be5c30 2018-06-22 stsp return NULL;
334 f6be5c30 2018-06-22 stsp struct got_tree_object *
335 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
336 f6be5c30 2018-06-22 stsp struct got_object_id *id)
338 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
339 6bef87be 2018-09-11 stsp &repo->treecache, id);
342 1943de01 2018-06-22 stsp const struct got_error *
343 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
344 1943de01 2018-06-22 stsp struct got_commit_object *commit)
346 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
347 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
348 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
350 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
351 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
352 79c99a64 2019-05-23 stsp err = NULL;
353 1943de01 2018-06-22 stsp return err;
355 1943de01 2018-06-22 stsp commit->refcnt++;
357 f6be5c30 2018-06-22 stsp return NULL;
360 1943de01 2018-06-22 stsp struct got_commit_object *
361 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
362 1943de01 2018-06-22 stsp struct got_object_id *id)
364 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
365 6bef87be 2018-09-11 stsp &repo->commitcache, id);
368 f4a881ce 2018-11-17 stsp const struct got_error *
369 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
370 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
372 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
373 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
374 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
376 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
377 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
378 79c99a64 2019-05-23 stsp err = NULL;
379 f4a881ce 2018-11-17 stsp return err;
381 f4a881ce 2018-11-17 stsp tag->refcnt++;
383 f4a881ce 2018-11-17 stsp return NULL;
386 f4a881ce 2018-11-17 stsp struct got_tag_object *
387 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
389 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
390 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
393 d3c116bf 2021-10-15 stsp const struct got_error *
394 d3c116bf 2021-10-15 stsp got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
395 d3c116bf 2021-10-15 stsp struct got_raw_object *raw)
397 d3c116bf 2021-10-15 stsp #ifndef GOT_NO_OBJ_CACHE
398 d3c116bf 2021-10-15 stsp const struct got_error *err = NULL;
399 d3c116bf 2021-10-15 stsp err = got_object_cache_add(&repo->rawcache, id, raw);
401 d3c116bf 2021-10-15 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
402 d3c116bf 2021-10-15 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
403 d3c116bf 2021-10-15 stsp err = NULL;
404 d3c116bf 2021-10-15 stsp return err;
406 d3c116bf 2021-10-15 stsp raw->refcnt++;
408 d3c116bf 2021-10-15 stsp return NULL;
412 d3c116bf 2021-10-15 stsp struct got_raw_object *
413 d3c116bf 2021-10-15 stsp got_repo_get_cached_raw_object(struct got_repository *repo,
414 d3c116bf 2021-10-15 stsp struct got_object_id *id)
416 d3c116bf 2021-10-15 stsp return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
420 991ff1aa 2021-06-15 tracey static const struct got_error *
421 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
423 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
425 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
427 85f51bba 2018-07-16 stsp /* bare git repository? */
428 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
429 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
430 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
431 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
432 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
433 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
434 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
435 6d5a9006 2020-12-16 yzhong goto done;
437 8bd0cdad 2021-12-31 stsp repo->gitdir_fd = open(repo->path_git_dir,
438 8bd0cdad 2021-12-31 stsp O_DIRECTORY | O_CLOEXEC);
439 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
440 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
441 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
444 85f51bba 2018-07-16 stsp return NULL;
447 85f51bba 2018-07-16 stsp /* git repository with working tree? */
448 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
449 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
450 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
451 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
454 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
455 85f51bba 2018-07-16 stsp repo->path = strdup(path);
456 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
457 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
460 8bd0cdad 2021-12-31 stsp repo->gitdir_fd = open(repo->path_git_dir,
461 8bd0cdad 2021-12-31 stsp O_DIRECTORY | O_CLOEXEC);
462 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
463 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
464 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
465 6d5a9006 2020-12-16 yzhong goto done;
467 85f51bba 2018-07-16 stsp return NULL;
470 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
473 ee645855 2019-02-05 stsp free(repo->path);
474 ee645855 2019-02-05 stsp repo->path = NULL;
475 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
476 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
477 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
478 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
479 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
482 aba9c984 2019-09-08 stsp return err;
485 aba9c984 2019-09-08 stsp static const struct got_error *
486 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
487 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
488 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
489 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
490 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
492 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
493 aba9c984 2019-09-08 stsp int fd = -1;
494 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
496 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
498 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
499 20b7abb3 2020-10-22 stsp if (extensions)
500 20b7abb3 2020-10-22 stsp *extensions = NULL;
501 20b7abb3 2020-10-22 stsp if (nextensions)
502 20b7abb3 2020-10-22 stsp *nextensions = 0;
503 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
504 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
505 2fb669fb 2020-03-20 stsp if (remotes)
506 2fb669fb 2020-03-20 stsp *remotes = NULL;
507 2fb669fb 2020-03-20 stsp if (nremotes)
508 2fb669fb 2020-03-20 stsp *nremotes = 0;
509 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
510 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
512 8bd0cdad 2021-12-31 stsp fd = open(gitconfig_path, O_RDONLY | O_CLOEXEC);
513 aba9c984 2019-09-08 stsp if (fd == -1) {
514 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
515 aba9c984 2019-09-08 stsp return NULL;
516 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
519 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
520 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
521 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
525 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
526 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
530 aba9c984 2019-09-08 stsp pid = fork();
531 aba9c984 2019-09-08 stsp if (pid == -1) {
532 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
534 aba9c984 2019-09-08 stsp } else if (pid == 0) {
535 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
536 c9956ddf 2019-09-08 stsp gitconfig_path);
537 aba9c984 2019-09-08 stsp /* not reached */
540 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
541 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
544 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
545 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
547 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
552 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
556 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
557 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
561 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
562 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
566 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
569 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
571 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
572 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
573 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
576 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
578 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
582 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
587 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
591 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
595 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
599 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
603 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
604 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
608 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
609 cd95becd 2019-11-29 stsp nremotes, ibuf);
614 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
615 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
618 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
623 aba9c984 2019-09-08 stsp err = got_privsep_send_stop(imsg_fds[0]);
624 aba9c984 2019-09-08 stsp child_err = got_privsep_wait_for_child(pid);
625 aba9c984 2019-09-08 stsp if (child_err && err == NULL)
626 aba9c984 2019-09-08 stsp err = child_err;
628 aba9c984 2019-09-08 stsp if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
629 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
630 aba9c984 2019-09-08 stsp if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
631 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
632 aba9c984 2019-09-08 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
633 aba9c984 2019-09-08 stsp err = got_error_from_errno2("close", gitconfig_path);
634 aba9c984 2019-09-08 stsp free(ibuf);
635 c9956ddf 2019-09-08 stsp return err;
638 c9956ddf 2019-09-08 stsp static const struct got_error *
639 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
641 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
642 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
644 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
645 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
646 c9956ddf 2019-09-08 stsp int dummy_repo_version;
647 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&dummy_repo_version,
648 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
649 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
650 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
652 c9956ddf 2019-09-08 stsp return err;
655 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
656 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
657 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
658 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
660 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&repo->gitconfig_repository_format_version,
661 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
662 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
663 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
664 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
668 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
669 257add31 2020-09-09 stsp return err;
672 257add31 2020-09-09 stsp static const struct got_error *
673 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
675 257add31 2020-09-09 stsp const struct got_error *err = NULL;
676 257add31 2020-09-09 stsp char *gotconfig_path;
678 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
679 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
680 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
682 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
683 257add31 2020-09-09 stsp free(gotconfig_path);
684 85f51bba 2018-07-16 stsp return err;
687 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
688 f134ecfd 2022-03-19 naddy static const char *const repo_extensions[] = {
689 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
690 2252c019 2021-07-03 stsp "preciousObjects", /* Supported by gotadmin cleanup. */
691 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
694 85f51bba 2018-07-16 stsp const struct got_error *
695 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
696 0ae84acc 2022-06-15 tracey const char *global_gitconfig_path, int *pack_fds)
698 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
699 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
700 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
701 0ae84acc 2022-06-15 tracey size_t i, j = 0;
702 6c414261 2021-03-30 stsp struct rlimit rl;
704 85f51bba 2018-07-16 stsp *repop = NULL;
706 6c414261 2021-03-30 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
707 6c414261 2021-03-30 stsp return got_error_from_errno("getrlimit");
709 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
710 c560c1f5 2022-03-14 op if (repo == NULL)
711 c560c1f5 2022-03-14 op return got_error_from_errno("calloc");
713 f8b19efd 2021-10-13 stsp RB_INIT(&repo->packidx_bloom_filters);
714 9b576444 2022-03-14 stsp TAILQ_INIT(&repo->packidx_paths);
716 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
717 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
718 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
719 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
722 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
723 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
726 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
727 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
730 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
731 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
734 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
735 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
738 d3c116bf 2021-10-15 stsp err = got_object_cache_init(&repo->rawcache,
739 d3c116bf 2021-10-15 stsp GOT_OBJECT_CACHE_TYPE_RAW);
743 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
744 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
745 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
746 57160834 2022-05-31 stsp for (i = 0; i < nitems(repo->packs); i++) {
747 57160834 2022-05-31 stsp if (i < repo->pack_cache_size) {
748 0ae84acc 2022-06-15 tracey repo->packs[i].basefd = pack_fds[j++];
749 0ae84acc 2022-06-15 tracey repo->packs[i].accumfd = pack_fds[j++];
751 57160834 2022-05-31 stsp repo->packs[i].basefd = -1;
752 57160834 2022-05-31 stsp repo->packs[i].accumfd = -1;
756 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
757 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
758 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
763 aff6eea4 2020-10-20 stsp char *parent_path;
765 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
766 85f51bba 2018-07-16 stsp if (err == NULL)
768 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
770 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
771 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
774 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
777 aff6eea4 2020-10-20 stsp free(repo_path);
778 aff6eea4 2020-10-20 stsp repo_path = parent_path;
781 257add31 2020-09-09 stsp err = read_gotconfig(repo);
785 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
788 aba9c984 2019-09-08 stsp if (repo->gitconfig_repository_format_version != 0)
789 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
790 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
791 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
792 20b7abb3 2020-10-22 stsp int j, supported = 0;
793 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
794 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
795 20b7abb3 2020-10-22 stsp supported = 1;
799 20b7abb3 2020-10-22 stsp if (!supported) {
800 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
805 9b576444 2022-03-14 stsp err = got_repo_list_packidx(&repo->packidx_paths, repo);
808 5c2f5761 2018-09-19 stsp got_repo_close(repo);
810 85f51bba 2018-07-16 stsp *repop = repo;
811 aff6eea4 2020-10-20 stsp free(repo_path);
812 92af5469 2017-11-05 stsp return err;
815 ad242220 2018-09-08 stsp const struct got_error *
816 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
818 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
819 f8b19efd 2021-10-13 stsp struct got_packidx_bloom_filter *bf;
820 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
823 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
824 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
826 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
829 f8b19efd 2021-10-13 stsp while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
830 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters))) {
831 f8b19efd 2021-10-13 stsp RB_REMOVE(got_packidx_bloom_filter_tree,
832 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, bf);
833 b343c297 2021-10-11 stsp free(bf->bloom);
837 0ae84acc 2022-06-15 tracey for (i = 0; i < repo->pack_cache_size; i++)
838 13242195 2022-05-31 stsp if (repo->packs[i].path_packfile)
839 0ae84acc 2022-06-15 tracey if (repo->packs[i].path_packfile)
840 0ae84acc 2022-06-15 tracey got_pack_close(&repo->packs[i]);
842 4027f31a 2017-11-04 stsp free(repo->path);
843 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
845 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
846 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
847 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
848 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
849 d3c116bf 2021-10-15 stsp got_object_cache_close(&repo->rawcache);
851 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
852 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
854 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
855 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
856 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
857 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
858 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
859 ad242220 2018-09-08 stsp if (child_err && err == NULL)
860 ad242220 2018-09-08 stsp err = child_err;
861 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
862 3a6ce05a 2019-02-11 stsp err == NULL)
863 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
866 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
867 1d0f4054 2021-06-17 stsp err == NULL)
868 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
870 50b0790e 2020-09-11 stsp if (repo->gotconfig)
871 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
872 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
873 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
874 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
875 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
876 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
877 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
878 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
879 20b7abb3 2020-10-22 stsp free(repo->extensions);
881 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry)
882 9b576444 2022-03-14 stsp free((void *)pe->path);
883 9b576444 2022-03-14 stsp got_pathlist_free(&repo->packidx_paths);
884 4027f31a 2017-11-04 stsp free(repo);
886 ad242220 2018-09-08 stsp return err;
890 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
894 b8adfa55 2020-09-25 stsp free(repo->name);
895 b8adfa55 2020-09-25 stsp repo->name = NULL;
896 6480c871 2021-08-30 stsp free(repo->fetch_url);
897 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
898 6480c871 2021-08-30 stsp free(repo->send_url);
899 6480c871 2021-08-30 stsp repo->send_url = NULL;
900 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
901 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
902 6480c871 2021-08-30 stsp free(repo->fetch_branches);
903 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
904 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
905 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
906 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
907 6480c871 2021-08-30 stsp free(repo->send_branches);
908 6480c871 2021-08-30 stsp repo->send_branches = NULL;
909 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
912 04ca23f4 2018-07-16 stsp const struct got_error *
913 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
914 8fa913ec 2020-11-14 stsp const char *input_path)
916 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
917 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
918 e83c0634 2020-01-27 stsp size_t repolen, len;
919 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
921 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
923 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
924 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
925 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
928 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
932 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
934 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
935 23721109 2018-10-22 stsp path = strdup(canonpath);
936 b70703ad 2019-03-18 stsp if (path == NULL) {
937 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
941 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
942 04ca23f4 2018-07-16 stsp if (path == NULL) {
943 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
944 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
949 b70703ad 2019-03-18 stsp * Path is not on disk.
950 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
952 b70703ad 2019-03-18 stsp path = strdup(canonpath);
953 b70703ad 2019-03-18 stsp if (path == NULL) {
954 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
959 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
960 04ca23f4 2018-07-16 stsp len = strlen(path);
963 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
964 04ca23f4 2018-07-16 stsp free(path);
965 04ca23f4 2018-07-16 stsp path = strdup("");
966 04ca23f4 2018-07-16 stsp if (path == NULL) {
967 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
970 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
971 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
972 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
973 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
975 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
976 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
978 abc59930 2021-09-05 naddy free(path);
979 abc59930 2021-09-05 naddy path = canonpath;
980 abc59930 2021-09-05 naddy canonpath = NULL;
982 04ca23f4 2018-07-16 stsp char *child;
983 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
984 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
985 04ca23f4 2018-07-16 stsp repo_abspath, path);
988 04ca23f4 2018-07-16 stsp free(path);
989 04ca23f4 2018-07-16 stsp path = child;
993 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
994 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
996 abc59930 2021-09-05 naddy free(path);
997 abc59930 2021-09-05 naddy path = canonpath;
998 abc59930 2021-09-05 naddy canonpath = NULL;
1002 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
1003 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
1004 04ca23f4 2018-07-16 stsp char *abspath;
1005 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
1006 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1007 04ca23f4 2018-07-16 stsp goto done;
1009 04ca23f4 2018-07-16 stsp free(path);
1010 04ca23f4 2018-07-16 stsp path = abspath;
1014 04ca23f4 2018-07-16 stsp free(canonpath);
1016 04ca23f4 2018-07-16 stsp free(path);
1018 04ca23f4 2018-07-16 stsp *in_repo_path = path;
1019 1510f469 2018-09-09 stsp return err;
1022 e1a68182 2020-01-07 stsp static const struct got_error *
1023 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
1024 e1a68182 2020-01-07 stsp const char *path_packidx)
1026 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1029 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1030 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1032 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1033 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1034 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1037 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1038 7a0b1068 2021-10-11 stsp i = repo->pack_cache_size - 1;
1039 7a0b1068 2021-10-11 stsp err = got_packidx_close(repo->packidx_cache[i]);
1041 1510f469 2018-09-09 stsp return err;
1044 7a0b1068 2021-10-11 stsp repo->packidx_cache[i] = packidx;
1046 1510f469 2018-09-09 stsp return NULL;
1050 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
1052 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
1055 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
1058 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
1059 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
1065 f8b19efd 2021-10-13 stsp static struct got_packidx_bloom_filter *
1066 f8b19efd 2021-10-13 stsp get_packidx_bloom_filter(struct got_repository *repo,
1067 f8b19efd 2021-10-13 stsp const char *path, size_t path_len)
1069 f8b19efd 2021-10-13 stsp struct got_packidx_bloom_filter key;
1071 f8b19efd 2021-10-13 stsp if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
1072 f8b19efd 2021-10-13 stsp return NULL; /* XXX */
1073 f8b19efd 2021-10-13 stsp key.path_len = path_len;
1075 f8b19efd 2021-10-13 stsp return RB_FIND(got_packidx_bloom_filter_tree,
1076 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, &key);
1080 67fd6849 2022-02-13 stsp got_repo_check_packidx_bloom_filter(struct got_repository *repo,
1081 b343c297 2021-10-11 stsp const char *path_packidx, struct got_object_id *id)
1083 b343c297 2021-10-11 stsp struct got_packidx_bloom_filter *bf;
1085 f8b19efd 2021-10-13 stsp bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
1087 f8b19efd 2021-10-13 stsp return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
1089 b343c297 2021-10-11 stsp /* No bloom filter means this pack index must be searched. */
1093 b343c297 2021-10-11 stsp static const struct got_error *
1094 b343c297 2021-10-11 stsp add_packidx_bloom_filter(struct got_repository *repo,
1095 b343c297 2021-10-11 stsp struct got_packidx *packidx, const char *path_packidx)
1097 b343c297 2021-10-11 stsp int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1098 b343c297 2021-10-11 stsp struct got_packidx_bloom_filter *bf;
1099 b343c297 2021-10-11 stsp size_t len;
1102 b343c297 2021-10-11 stsp * Don't use bloom filters for very large pack index files.
1103 b343c297 2021-10-11 stsp * Large pack files will contain a relatively large fraction
1104 b343c297 2021-10-11 stsp * of our objects so we will likely need to visit them anyway.
1105 b343c297 2021-10-11 stsp * The more objects a pack file contains the higher the probability
1106 b343c297 2021-10-11 stsp * of a false-positive match from the bloom filter. And reading
1107 b343c297 2021-10-11 stsp * all object IDs from a large pack index file can be expensive.
1109 b343c297 2021-10-11 stsp if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1110 b343c297 2021-10-11 stsp return NULL;
1112 b343c297 2021-10-11 stsp /* Do we already have a filter for this pack index? */
1113 f8b19efd 2021-10-13 stsp if (get_packidx_bloom_filter(repo, path_packidx,
1114 f8b19efd 2021-10-13 stsp strlen(path_packidx)) != NULL)
1115 f8b19efd 2021-10-13 stsp return NULL;
1117 b343c297 2021-10-11 stsp bf = calloc(1, sizeof(*bf));
1118 b343c297 2021-10-11 stsp if (bf == NULL)
1119 b343c297 2021-10-11 stsp return got_error_from_errno("calloc");
1120 b343c297 2021-10-11 stsp bf->bloom = calloc(1, sizeof(*bf->bloom));
1121 b343c297 2021-10-11 stsp if (bf->bloom == NULL) {
1123 b343c297 2021-10-11 stsp return got_error_from_errno("calloc");
1126 f8b19efd 2021-10-13 stsp len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1127 f8b19efd 2021-10-13 stsp if (len >= sizeof(bf->path)) {
1128 b343c297 2021-10-11 stsp free(bf->bloom);
1130 b343c297 2021-10-11 stsp return got_error(GOT_ERR_NO_SPACE);
1132 f8b19efd 2021-10-13 stsp bf->path_len = len;
1134 b343c297 2021-10-11 stsp /* Minimum size supported by our bloom filter is 1000 entries. */
1135 b343c297 2021-10-11 stsp bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1136 b343c297 2021-10-11 stsp for (i = 0; i < nobjects; i++) {
1137 b343c297 2021-10-11 stsp struct got_packidx_object_id *id;
1138 b343c297 2021-10-11 stsp id = &packidx->hdr.sorted_ids[i];
1139 b343c297 2021-10-11 stsp bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1142 f8b19efd 2021-10-13 stsp RB_INSERT(got_packidx_bloom_filter_tree,
1143 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, bf);
1144 b343c297 2021-10-11 stsp return NULL;
1147 1510f469 2018-09-09 stsp const struct got_error *
1148 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1149 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
1151 1510f469 2018-09-09 stsp const struct got_error *err;
1152 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
1155 1510f469 2018-09-09 stsp /* Search pack index cache. */
1156 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1157 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1159 67fd6849 2022-02-13 stsp if (!got_repo_check_packidx_bloom_filter(repo,
1160 b343c297 2021-10-11 stsp repo->packidx_cache[i]->path_packidx, id))
1161 b343c297 2021-10-11 stsp continue; /* object will not be found in this index */
1162 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1163 1510f469 2018-09-09 stsp if (*idx != -1) {
1164 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
1166 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
1167 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
1169 87c1ed2b 2020-01-07 stsp if (i > 0) {
1170 7a0b1068 2021-10-11 stsp memmove(&repo->packidx_cache[1],
1171 7a0b1068 2021-10-11 stsp &repo->packidx_cache[0],
1172 7a0b1068 2021-10-11 stsp i * sizeof(repo->packidx_cache[0]));
1173 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
1175 1510f469 2018-09-09 stsp return NULL;
1178 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
1180 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1181 9b576444 2022-03-14 stsp const char *path_packidx = pe->path;
1182 e1a68182 2020-01-07 stsp int is_cached = 0;
1184 67fd6849 2022-02-13 stsp if (!got_repo_check_packidx_bloom_filter(repo,
1185 9b576444 2022-03-14 stsp pe->path, id))
1186 b343c297 2021-10-11 stsp continue; /* object will not be found in this index */
1188 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1189 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1191 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1192 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1193 e1a68182 2020-01-07 stsp is_cached = 1;
1197 9b576444 2022-03-14 stsp if (is_cached)
1198 e1a68182 2020-01-07 stsp continue; /* already searched */
1200 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1201 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1203 e1a68182 2020-01-07 stsp goto done;
1205 b343c297 2021-10-11 stsp err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1207 b343c297 2021-10-11 stsp goto done;
1209 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1211 1510f469 2018-09-09 stsp goto done;
1213 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1214 1510f469 2018-09-09 stsp if (*idx != -1) {
1215 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1216 1510f469 2018-09-09 stsp goto done;
1220 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1222 04ca23f4 2018-07-16 stsp return err;
1225 67fd6849 2022-02-13 stsp const struct got_error *
1226 67fd6849 2022-02-13 stsp got_repo_list_packidx(struct got_pathlist_head *packidx_paths,
1227 67fd6849 2022-02-13 stsp struct got_repository *repo)
1229 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
1230 67fd6849 2022-02-13 stsp DIR *packdir = NULL;
1231 67fd6849 2022-02-13 stsp struct dirent *dent;
1232 67fd6849 2022-02-13 stsp char *path_packidx = NULL;
1233 67fd6849 2022-02-13 stsp int packdir_fd;
1235 67fd6849 2022-02-13 stsp packdir_fd = openat(got_repo_get_fd(repo),
1236 67fd6849 2022-02-13 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1237 67fd6849 2022-02-13 stsp if (packdir_fd == -1) {
1238 67fd6849 2022-02-13 stsp return got_error_from_errno_fmt("openat: %s/%s",
1239 67fd6849 2022-02-13 stsp got_repo_get_path_git_dir(repo),
1240 67fd6849 2022-02-13 stsp GOT_OBJECTS_PACK_DIR);
1243 67fd6849 2022-02-13 stsp packdir = fdopendir(packdir_fd);
1244 67fd6849 2022-02-13 stsp if (packdir == NULL) {
1245 67fd6849 2022-02-13 stsp err = got_error_from_errno("fdopendir");
1246 67fd6849 2022-02-13 stsp goto done;
1249 67fd6849 2022-02-13 stsp while ((dent = readdir(packdir)) != NULL) {
1250 67fd6849 2022-02-13 stsp if (!got_repo_is_packidx_filename(dent->d_name, dent->d_namlen))
1253 67fd6849 2022-02-13 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1254 67fd6849 2022-02-13 stsp dent->d_name) == -1) {
1255 67fd6849 2022-02-13 stsp err = got_error_from_errno("asprintf");
1256 67fd6849 2022-02-13 stsp path_packidx = NULL;
1260 67fd6849 2022-02-13 stsp err = got_pathlist_append(packidx_paths, path_packidx, NULL);
1266 67fd6849 2022-02-13 stsp free(path_packidx);
1267 67fd6849 2022-02-13 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1268 67fd6849 2022-02-13 stsp err = got_error_from_errno("closedir");
1269 67fd6849 2022-02-13 stsp return err;
1272 67fd6849 2022-02-13 stsp const struct got_error *
1273 67fd6849 2022-02-13 stsp got_repo_get_packidx(struct got_packidx **packidx, const char *path_packidx,
1274 67fd6849 2022-02-13 stsp struct got_repository *repo)
1276 67fd6849 2022-02-13 stsp const struct got_error *err;
1279 67fd6849 2022-02-13 stsp *packidx = NULL;
1281 67fd6849 2022-02-13 stsp /* Search pack index cache. */
1282 67fd6849 2022-02-13 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1283 67fd6849 2022-02-13 stsp if (repo->packidx_cache[i] == NULL)
1285 67fd6849 2022-02-13 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1286 67fd6849 2022-02-13 stsp path_packidx) == 0) {
1287 67fd6849 2022-02-13 stsp *packidx = repo->packidx_cache[i];
1288 67fd6849 2022-02-13 stsp return NULL;
1291 67fd6849 2022-02-13 stsp /* No luck. Search the filesystem. */
1293 67fd6849 2022-02-13 stsp err = got_packidx_open(packidx, got_repo_get_fd(repo),
1294 67fd6849 2022-02-13 stsp path_packidx, 0);
1296 67fd6849 2022-02-13 stsp return err;
1298 67fd6849 2022-02-13 stsp err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1300 67fd6849 2022-02-13 stsp goto done;
1302 67fd6849 2022-02-13 stsp err = cache_packidx(repo, *packidx, path_packidx);
1304 67fd6849 2022-02-13 stsp if (err) {
1305 67fd6849 2022-02-13 stsp got_packidx_close(*packidx);
1306 67fd6849 2022-02-13 stsp *packidx = NULL;
1308 67fd6849 2022-02-13 stsp return err;
1311 1510f469 2018-09-09 stsp static const struct got_error *
1312 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1314 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1315 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1316 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1317 1510f469 2018-09-09 stsp ssize_t n;
1319 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1320 1510f469 2018-09-09 stsp if (n < 0)
1321 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1322 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1323 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1325 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1326 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1327 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1328 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1330 1510f469 2018-09-09 stsp return err;
1333 1510f469 2018-09-09 stsp static const struct got_error *
1334 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1335 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1337 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1339 e7ae0baf 2021-12-31 stsp *fd = openat(got_repo_get_fd(repo), relpath,
1340 e7ae0baf 2021-12-31 stsp O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
1341 1510f469 2018-09-09 stsp if (*fd == -1)
1342 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1343 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1345 1510f469 2018-09-09 stsp if (packidx) {
1346 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1347 1510f469 2018-09-09 stsp if (err) {
1348 1510f469 2018-09-09 stsp close(*fd);
1353 1510f469 2018-09-09 stsp return err;
1356 1510f469 2018-09-09 stsp const struct got_error *
1357 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1358 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1360 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1361 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1362 ff563a3d 2019-05-23 stsp struct stat sb;
1365 1510f469 2018-09-09 stsp if (packp)
1366 1510f469 2018-09-09 stsp *packp = NULL;
1368 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1369 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1370 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1372 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1373 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1376 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1377 6a881297 2022-06-02 stsp struct got_pack tmp;
1378 1510f469 2018-09-09 stsp err = got_pack_close(&repo->packs[i - 1]);
1380 1510f469 2018-09-09 stsp return err;
1381 57160834 2022-05-31 stsp if (ftruncate(repo->packs[i - 1].basefd, 0L) == -1)
1382 57160834 2022-05-31 stsp return got_error_from_errno("ftruncate");
1383 57160834 2022-05-31 stsp if (ftruncate(repo->packs[i - 1].accumfd, 0L) == -1)
1384 57160834 2022-05-31 stsp return got_error_from_errno("ftruncate");
1385 6a881297 2022-06-02 stsp memcpy(&tmp, &repo->packs[i - 1], sizeof(tmp));
1386 6a881297 2022-06-02 stsp memcpy(&repo->packs[i - 1], &repo->packs[0],
1387 6a881297 2022-06-02 stsp sizeof(repo->packs[i - 1]));
1388 6a881297 2022-06-02 stsp memcpy(&repo->packs[0], &tmp, sizeof(repo->packs[0]));
1392 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1394 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1395 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1396 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1397 1510f469 2018-09-09 stsp goto done;
1400 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1402 1510f469 2018-09-09 stsp goto done;
1404 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1405 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1406 1510f469 2018-09-09 stsp goto done;
1408 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1410 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1412 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1413 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1414 1510f469 2018-09-09 stsp pack->fd, 0);
1415 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1416 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1417 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1418 3a11398b 2019-02-21 stsp goto done;
1420 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1424 1510f469 2018-09-09 stsp if (err) {
1425 1510f469 2018-09-09 stsp if (pack) {
1426 1510f469 2018-09-09 stsp free(pack->path_packfile);
1427 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1429 1510f469 2018-09-09 stsp } else if (packp)
1430 1510f469 2018-09-09 stsp *packp = pack;
1431 1510f469 2018-09-09 stsp return err;
1434 1510f469 2018-09-09 stsp struct got_pack *
1435 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1437 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1440 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1441 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1442 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1444 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1445 1510f469 2018-09-09 stsp return pack;
1448 2c7829a4 2019-06-17 stsp return NULL;
1451 2c7829a4 2019-06-17 stsp const struct got_error *
1452 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1454 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1455 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1456 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1457 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1458 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1460 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1461 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1462 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1463 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1464 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1465 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1466 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1467 2c7829a4 2019-06-17 stsp char *path;
1470 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1471 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1473 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1474 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1475 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1477 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1478 2c7829a4 2019-06-17 stsp free(path);
1480 2c7829a4 2019-06-17 stsp return err;
1483 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1484 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1485 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1486 2c7829a4 2019-06-17 stsp free(path);
1488 2c7829a4 2019-06-17 stsp return err;
1490 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1491 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1492 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1493 2c7829a4 2019-06-17 stsp free(path);
1495 2c7829a4 2019-06-17 stsp return err;
1497 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1498 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1499 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1500 2c7829a4 2019-06-17 stsp free(path);
1502 2c7829a4 2019-06-17 stsp return err;
1504 1510f469 2018-09-09 stsp return NULL;
1507 e09a504c 2019-06-28 stsp static const struct got_error *
1508 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1509 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1511 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1512 9b576444 2022-03-14 stsp struct got_object_id_queue matched_ids;
1513 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
1515 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1517 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1518 9b576444 2022-03-14 stsp const char *path_packidx = pe->path;
1519 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1520 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1522 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1523 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1527 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1528 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1529 4277420a 2019-06-29 stsp if (err) {
1530 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1533 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1537 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &matched_ids, entry) {
1538 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1539 dd88155e 2019-06-29 stsp int matched_type;
1540 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1541 d7b5a0e8 2022-04-20 stsp &qid->id);
1543 dd88155e 2019-06-29 stsp goto done;
1544 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1547 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1548 d7b5a0e8 2022-04-20 stsp *unique_id = got_object_id_dup(&qid->id);
1549 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1550 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1551 dd88155e 2019-06-29 stsp goto done;
1554 d7b5a0e8 2022-04-20 stsp if (got_object_id_cmp(*unique_id,
1555 d7b5a0e8 2022-04-20 stsp &qid->id) == 0)
1556 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1557 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1558 561c3678 2019-07-02 stsp goto done;
1563 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1564 e09a504c 2019-06-28 stsp if (err) {
1565 e09a504c 2019-06-28 stsp free(*unique_id);
1566 e09a504c 2019-06-28 stsp *unique_id = NULL;
1568 e09a504c 2019-06-28 stsp return err;
1571 e09a504c 2019-06-28 stsp static const struct got_error *
1572 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1573 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1574 e09a504c 2019-06-28 stsp struct got_repository *repo)
1576 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1577 e09a504c 2019-06-28 stsp char *path;
1578 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1579 e09a504c 2019-06-28 stsp struct dirent *dent;
1580 e09a504c 2019-06-28 stsp struct got_object_id id;
1582 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1583 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1584 e09a504c 2019-06-28 stsp goto done;
1587 e09a504c 2019-06-28 stsp dir = opendir(path);
1588 e09a504c 2019-06-28 stsp if (dir == NULL) {
1589 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1590 4277420a 2019-06-29 stsp err = NULL;
1591 4277420a 2019-06-29 stsp goto done;
1593 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1594 e09a504c 2019-06-28 stsp goto done;
1596 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1597 e09a504c 2019-06-28 stsp char *id_str;
1600 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1601 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1604 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1605 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1606 e09a504c 2019-06-28 stsp goto done;
1609 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1613 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1614 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1616 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1617 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1618 e09a504c 2019-06-28 stsp free(id_str);
1622 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1623 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1624 dd88155e 2019-06-29 stsp int matched_type;
1625 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1628 dd88155e 2019-06-29 stsp goto done;
1629 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1632 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1633 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1634 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1635 e09a504c 2019-06-28 stsp free(id_str);
1636 e09a504c 2019-06-28 stsp goto done;
1639 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1640 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1641 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1642 e09a504c 2019-06-28 stsp free(id_str);
1643 e09a504c 2019-06-28 stsp goto done;
1647 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1648 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1649 e09a504c 2019-06-28 stsp if (err) {
1650 e09a504c 2019-06-28 stsp free(*unique_id);
1651 e09a504c 2019-06-28 stsp *unique_id = NULL;
1653 e09a504c 2019-06-28 stsp free(path);
1654 e09a504c 2019-06-28 stsp return err;
1657 e09a504c 2019-06-28 stsp const struct got_error *
1658 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1659 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1661 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1662 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1663 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1664 e09a504c 2019-06-28 stsp size_t len;
1667 4277420a 2019-06-29 stsp *id = NULL;
1669 0e6ab4b2 2022-03-10 stsp len = strlen(id_str_prefix);
1670 0e6ab4b2 2022-03-10 stsp if (len > SHA1_DIGEST_STRING_LENGTH - 1)
1671 0e6ab4b2 2022-03-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1673 0e6ab4b2 2022-03-10 stsp for (i = 0; i < len; i++) {
1674 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1676 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1679 e09a504c 2019-06-28 stsp if (len >= 2) {
1680 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1682 83c8b3b8 2019-06-29 stsp goto done;
1683 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1684 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1685 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1686 83c8b3b8 2019-06-29 stsp goto done;
1688 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1689 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1690 e09a504c 2019-06-28 stsp } else if (len == 1) {
1692 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1693 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1695 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1696 83c8b3b8 2019-06-29 stsp goto done;
1698 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1699 dd88155e 2019-06-29 stsp obj_type);
1701 83c8b3b8 2019-06-29 stsp goto done;
1702 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1703 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1705 83c8b3b8 2019-06-29 stsp goto done;
1708 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1709 83c8b3b8 2019-06-29 stsp goto done;
1712 e09a504c 2019-06-28 stsp free(object_dir);
1713 4277420a 2019-06-29 stsp if (err) {
1714 4277420a 2019-06-29 stsp free(*id);
1715 4277420a 2019-06-29 stsp *id = NULL;
1716 138e4f47 2021-10-09 stsp } else if (*id == NULL) {
1717 138e4f47 2021-10-09 stsp switch (obj_type) {
1718 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_BLOB:
1719 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1720 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_BLOB, id_str_prefix);
1722 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_TREE:
1723 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1724 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TREE, id_str_prefix);
1726 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_COMMIT:
1727 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1728 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_COMMIT, id_str_prefix);
1730 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_TAG:
1731 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1732 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TAG, id_str_prefix);
1735 138e4f47 2021-10-09 stsp err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1740 303e2782 2019-08-09 stsp return err;
1743 303e2782 2019-08-09 stsp const struct got_error *
1744 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1745 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1746 71a27632 2020-01-15 stsp struct got_repository *repo)
1748 71a27632 2020-01-15 stsp const struct got_error *err;
1749 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1750 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1752 71a27632 2020-01-15 stsp *id = NULL;
1753 71a27632 2020-01-15 stsp if (label)
1754 71a27632 2020-01-15 stsp *label = NULL;
1756 84de9106 2020-12-26 stsp if (refs) {
1757 237cfda1 2021-10-08 stsp err = got_repo_object_match_tag(&tag, id_str, obj_type,
1758 84de9106 2020-12-26 stsp refs, repo);
1759 71a27632 2020-01-15 stsp if (err == NULL) {
1760 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1761 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1762 71a27632 2020-01-15 stsp if (*id == NULL)
1763 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1764 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1765 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1766 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1767 71a27632 2020-01-15 stsp free(*id);
1768 71a27632 2020-01-15 stsp *id = NULL;
1770 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1771 71a27632 2020-01-15 stsp return err;
1772 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1773 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1774 71a27632 2020-01-15 stsp return err;
1777 0ed2285b 2022-03-09 stsp err = got_ref_open(&ref, repo, id_str, 0);
1778 0ed2285b 2022-03-09 stsp if (err == NULL) {
1779 0ed2285b 2022-03-09 stsp err = got_ref_resolve(id, repo, ref);
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;
1790 0ed2285b 2022-03-09 stsp if (err->code != GOT_ERR_NOT_REF &&
1791 0ed2285b 2022-03-09 stsp err->code != GOT_ERR_BAD_REF_NAME)
1792 71a27632 2020-01-15 stsp goto done;
1793 0ed2285b 2022-03-09 stsp err = got_repo_match_object_id_prefix(id, id_str,
1794 0ed2285b 2022-03-09 stsp obj_type, repo);
1795 0ed2285b 2022-03-09 stsp if (err) {
1796 0ed2285b 2022-03-09 stsp if (err->code == GOT_ERR_BAD_OBJ_ID_STR)
1797 0ed2285b 2022-03-09 stsp err = got_error_not_ref(id_str);
1798 0ed2285b 2022-03-09 stsp goto done;
1800 0ed2285b 2022-03-09 stsp if (label) {
1801 0ed2285b 2022-03-09 stsp err = got_object_id_str(label, *id);
1802 0ed2285b 2022-03-09 stsp if (*label == NULL) {
1803 0ed2285b 2022-03-09 stsp err = got_error_from_errno("strdup");
1804 0ed2285b 2022-03-09 stsp goto done;
1810 71a27632 2020-01-15 stsp got_ref_close(ref);
1811 71a27632 2020-01-15 stsp return err;
1814 71a27632 2020-01-15 stsp const struct got_error *
1815 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1816 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1818 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1819 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1820 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1821 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1823 303e2782 2019-08-09 stsp *tag = NULL;
1825 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1826 303e2782 2019-08-09 stsp const char *refname;
1827 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1828 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1830 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1832 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1833 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1834 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1836 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1839 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1840 303e2782 2019-08-09 stsp free(tag_id);
1843 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1844 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1846 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1847 303e2782 2019-08-09 stsp *tag = NULL;
1850 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1851 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1852 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TAG, name);
1853 e09a504c 2019-06-28 stsp return err;
1856 3ce1b845 2019-07-15 stsp static const struct got_error *
1857 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1858 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1860 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1862 3ce1b845 2019-07-15 stsp *new_te = NULL;
1864 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1865 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1866 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1868 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1869 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1870 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1871 3ce1b845 2019-07-15 stsp goto done;
1874 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1875 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1877 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1878 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1880 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1882 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1883 56e0773d 2019-11-28 stsp free(*new_te);
1884 3ce1b845 2019-07-15 stsp *new_te = NULL;
1886 3ce1b845 2019-07-15 stsp return err;
1889 3ce1b845 2019-07-15 stsp static const struct got_error *
1890 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1891 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1893 3ce1b845 2019-07-15 stsp const struct got_error *err;
1894 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1895 3ce1b845 2019-07-15 stsp char *filepath;
1896 3ce1b845 2019-07-15 stsp struct stat sb;
1898 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1899 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1900 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1902 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1903 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1904 3ce1b845 2019-07-15 stsp goto done;
1907 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1909 3ce1b845 2019-07-15 stsp goto done;
1911 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1914 3ce1b845 2019-07-15 stsp free(filepath);
1916 3ce1b845 2019-07-15 stsp free(blob_id);
1917 3ce1b845 2019-07-15 stsp return err;
1920 3ce1b845 2019-07-15 stsp static const struct got_error *
1921 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1922 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1924 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1925 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
1927 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
1929 3ce1b845 2019-07-15 stsp return err;
1930 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
1931 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
1932 3ce1b845 2019-07-15 stsp return NULL;
1935 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
1936 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
1937 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
1939 3ce1b845 2019-07-15 stsp static const struct got_error *
1940 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
1941 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
1942 3ce1b845 2019-07-15 stsp struct got_repository *repo,
1943 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1945 3ce1b845 2019-07-15 stsp const struct got_error *err;
1946 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
1947 3ce1b845 2019-07-15 stsp char *subdirpath;
1949 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
1950 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1951 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1953 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
1954 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
1955 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
1956 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
1957 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
1958 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1959 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1960 3ce1b845 2019-07-15 stsp goto done;
1962 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
1963 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1965 56e0773d 2019-11-28 stsp goto done;
1966 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
1970 3ce1b845 2019-07-15 stsp free(subdirpath);
1971 3ce1b845 2019-07-15 stsp if (err) {
1972 56e0773d 2019-11-28 stsp free(*new_te);
1973 3ce1b845 2019-07-15 stsp *new_te = NULL;
1975 3ce1b845 2019-07-15 stsp return err;
1978 3ce1b845 2019-07-15 stsp static const struct got_error *
1979 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
1980 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
1981 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1983 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1985 3ce1b845 2019-07-15 stsp struct dirent *de;
1986 56e0773d 2019-11-28 stsp int nentries;
1987 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
1988 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
1989 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
1991 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
1993 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
1995 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
1996 3ce1b845 2019-07-15 stsp if (dir == NULL) {
1997 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
1998 3ce1b845 2019-07-15 stsp goto done;
2001 56e0773d 2019-11-28 stsp nentries = 0;
2002 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
2003 3ce1b845 2019-07-15 stsp int ignore = 0;
2006 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
2007 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
2010 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
2011 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
2012 3ce1b845 2019-07-15 stsp ignore = 1;
2016 3ce1b845 2019-07-15 stsp if (ignore)
2019 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
2021 20ccae39 2020-07-21 stsp goto done;
2023 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
2024 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
2025 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
2026 db1d3576 2019-10-04 stsp if (err) {
2027 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
2028 db1d3576 2019-10-04 stsp goto done;
2029 db1d3576 2019-10-04 stsp err = NULL;
2032 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
2033 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
2035 3ce1b845 2019-07-15 stsp goto done;
2039 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
2041 3ce1b845 2019-07-15 stsp goto done;
2042 56e0773d 2019-11-28 stsp nentries++;
2045 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
2046 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
2047 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
2048 db1d3576 2019-10-04 stsp goto done;
2051 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
2052 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
2053 3ce1b845 2019-07-15 stsp char *path;
2054 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
2056 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
2057 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
2058 3ce1b845 2019-07-15 stsp goto done;
2060 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
2061 3ce1b845 2019-07-15 stsp free(path);
2063 3ce1b845 2019-07-15 stsp goto done;
2066 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
2069 3ce1b845 2019-07-15 stsp closedir(dir);
2070 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
2071 3ce1b845 2019-07-15 stsp return err;
2074 3ce1b845 2019-07-15 stsp const struct got_error *
2075 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
2076 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
2077 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
2078 3ce1b845 2019-07-15 stsp void *progress_arg)
2080 3ce1b845 2019-07-15 stsp const struct got_error *err;
2081 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
2083 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
2084 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2086 3ce1b845 2019-07-15 stsp return err;
2088 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
2089 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
2090 3ce1b845 2019-07-15 stsp free(new_tree_id);
2091 20662ea0 2021-04-10 stsp return err;
2094 20662ea0 2021-04-10 stsp const struct got_error *
2095 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
2096 20662ea0 2021-04-10 stsp struct got_repository *repo)
2098 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
2099 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
2100 20662ea0 2021-04-10 stsp DIR *dir = NULL;
2101 20662ea0 2021-04-10 stsp struct got_object_id id;
2104 20662ea0 2021-04-10 stsp *nobjects = 0;
2105 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2107 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
2108 20662ea0 2021-04-10 stsp if (path_objects == NULL)
2109 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
2111 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
2112 20662ea0 2021-04-10 stsp struct dirent *dent;
2114 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2115 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2119 20662ea0 2021-04-10 stsp dir = opendir(path);
2120 20662ea0 2021-04-10 stsp if (dir == NULL) {
2121 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
2122 20662ea0 2021-04-10 stsp err = NULL;
2125 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
2129 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
2130 20662ea0 2021-04-10 stsp char *id_str;
2132 20662ea0 2021-04-10 stsp struct stat sb;
2134 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
2135 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
2138 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2139 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2140 20662ea0 2021-04-10 stsp goto done;
2143 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
2144 20662ea0 2021-04-10 stsp free(id_str);
2147 20662ea0 2021-04-10 stsp free(id_str);
2149 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
2151 20662ea0 2021-04-10 stsp goto done;
2153 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
2154 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
2155 20662ea0 2021-04-10 stsp close(fd);
2156 20662ea0 2021-04-10 stsp goto done;
2158 20662ea0 2021-04-10 stsp (*nobjects)++;
2159 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
2161 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
2162 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
2163 20662ea0 2021-04-10 stsp goto done;
2167 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
2168 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2169 20662ea0 2021-04-10 stsp goto done;
2171 20662ea0 2021-04-10 stsp dir = NULL;
2173 20662ea0 2021-04-10 stsp free(path);
2174 20662ea0 2021-04-10 stsp path = NULL;
2177 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
2178 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2180 20662ea0 2021-04-10 stsp if (err) {
2181 20662ea0 2021-04-10 stsp *nobjects = 0;
2182 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2184 20662ea0 2021-04-10 stsp free(path_objects);
2185 20662ea0 2021-04-10 stsp free(path);
2186 3ce1b845 2019-07-15 stsp return err;
2189 20662ea0 2021-04-10 stsp const struct got_error *
2190 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2191 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
2193 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
2194 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
2195 20662ea0 2021-04-10 stsp struct dirent *dent;
2196 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
2197 20662ea0 2021-04-10 stsp char *path_packidx;
2198 20662ea0 2021-04-10 stsp char *path_packfile;
2199 20662ea0 2021-04-10 stsp int packdir_fd;
2200 20662ea0 2021-04-10 stsp struct stat sb;
2202 20662ea0 2021-04-10 stsp *npackfiles = 0;
2203 20662ea0 2021-04-10 stsp *nobjects = 0;
2204 20662ea0 2021-04-10 stsp *total_packsize = 0;
2206 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
2207 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2208 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
2209 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
2210 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
2211 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
2214 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
2215 20662ea0 2021-04-10 stsp if (packdir == NULL) {
2216 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
2217 20662ea0 2021-04-10 stsp goto done;
2220 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
2221 1124fe40 2021-07-07 stsp if (!got_repo_is_packidx_filename(dent->d_name, dent->d_namlen))
2224 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2225 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
2226 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2227 20662ea0 2021-04-10 stsp goto done;
2230 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2231 20662ea0 2021-04-10 stsp path_packidx, 0);
2232 20662ea0 2021-04-10 stsp free(path_packidx);
2234 20662ea0 2021-04-10 stsp goto done;
2236 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
2237 20662ea0 2021-04-10 stsp goto done;
2238 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2240 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2241 aea75d87 2021-07-06 stsp packidx->path_packidx);
2243 20662ea0 2021-04-10 stsp goto done;
2245 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2246 20662ea0 2021-04-10 stsp 0) == -1) {
2247 20662ea0 2021-04-10 stsp free(path_packfile);
2248 20662ea0 2021-04-10 stsp goto done;
2250 20662ea0 2021-04-10 stsp free(path_packfile);
2251 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2253 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2255 20662ea0 2021-04-10 stsp (*npackfiles)++;
2257 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2258 20662ea0 2021-04-10 stsp packidx = NULL;
2261 20662ea0 2021-04-10 stsp if (packidx)
2262 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2263 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2264 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2265 20662ea0 2021-04-10 stsp if (err) {
2266 20662ea0 2021-04-10 stsp *npackfiles = 0;
2267 20662ea0 2021-04-10 stsp *nobjects = 0;
2268 20662ea0 2021-04-10 stsp *total_packsize = 0;
2270 20662ea0 2021-04-10 stsp return err;
2273 f8b19efd 2021-10-13 stsp RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2274 f8b19efd 2021-10-13 stsp got_packidx_bloom_filter_cmp);
