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;
257 0ae84acc 2022-06-15 tracey *pack_fds = calloc(GOT_PACK_NUM_TEMPFILES, sizeof(**pack_fds));
258 6f711b10 2022-09-03 op if (*pack_fds == NULL)
259 0ae84acc 2022-06-15 tracey return got_error_from_errno("calloc");
262 0c411343 2022-07-21 stsp * got_repo_pack_fds_close will try to close all of the
263 0c411343 2022-07-21 stsp * GOT_PACK_NUM_TEMPFILES fds, even the ones that didn't manage to get
264 6f748833 2022-07-21 stsp * a value from got_opentempfd(), which would result in a close(0) if
265 6f748833 2022-07-21 stsp * we do not initialize to -1 here.
267 0c411343 2022-07-21 stsp for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++)
268 6f711b10 2022-09-03 op (*pack_fds)[i] = -1;
270 0ae84acc 2022-06-15 tracey for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
271 6f711b10 2022-09-03 op (*pack_fds)[i] = got_opentempfd();
272 6f711b10 2022-09-03 op if ((*pack_fds)[i] == -1) {
273 bb711527 2022-06-15 stsp err = got_error_from_errno("got_opentempfd");
274 6f711b10 2022-09-03 op got_repo_pack_fds_close(*pack_fds);
275 6f711b10 2022-09-03 op *pack_fds = NULL;
276 bb711527 2022-06-15 stsp return err;
283 0ae84acc 2022-06-15 tracey const struct got_error *
284 0ae84acc 2022-06-15 tracey got_repo_pack_fds_close(int *pack_fds)
286 0ae84acc 2022-06-15 tracey const struct got_error *err = NULL;
289 0ae84acc 2022-06-15 tracey for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
290 0ae84acc 2022-06-15 tracey if (pack_fds[i] == -1)
291 0ae84acc 2022-06-15 tracey continue;
292 0ae84acc 2022-06-15 tracey if (close(pack_fds[i]) == -1) {
293 0ae84acc 2022-06-15 tracey err = got_error_from_errno("close");
297 0ae84acc 2022-06-15 tracey free(pack_fds);
298 0ae84acc 2022-06-15 tracey return err;
301 0ae84acc 2022-06-15 tracey const struct got_error *
302 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
303 f6be5c30 2018-06-22 stsp struct got_object *obj)
305 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
306 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
307 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
309 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
310 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
311 79c99a64 2019-05-23 stsp err = NULL;
312 f6be5c30 2018-06-22 stsp return err;
314 f6be5c30 2018-06-22 stsp obj->refcnt++;
316 f6be5c30 2018-06-22 stsp return NULL;
319 7bb0daa1 2018-06-21 stsp struct got_object *
320 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
321 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
323 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
326 4027f31a 2017-11-04 stsp const struct got_error *
327 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
328 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
330 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
331 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
332 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
334 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
335 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
336 79c99a64 2019-05-23 stsp err = NULL;
337 f6be5c30 2018-06-22 stsp return err;
339 f6be5c30 2018-06-22 stsp tree->refcnt++;
341 f6be5c30 2018-06-22 stsp return NULL;
344 f6be5c30 2018-06-22 stsp struct got_tree_object *
345 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
346 f6be5c30 2018-06-22 stsp struct got_object_id *id)
348 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
349 6bef87be 2018-09-11 stsp &repo->treecache, id);
352 1943de01 2018-06-22 stsp const struct got_error *
353 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
354 1943de01 2018-06-22 stsp struct got_commit_object *commit)
356 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
357 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
358 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
360 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
361 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
362 79c99a64 2019-05-23 stsp err = NULL;
363 1943de01 2018-06-22 stsp return err;
365 1943de01 2018-06-22 stsp commit->refcnt++;
367 f6be5c30 2018-06-22 stsp return NULL;
370 1943de01 2018-06-22 stsp struct got_commit_object *
371 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
372 1943de01 2018-06-22 stsp struct got_object_id *id)
374 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
375 6bef87be 2018-09-11 stsp &repo->commitcache, id);
378 f4a881ce 2018-11-17 stsp const struct got_error *
379 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
380 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
382 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
383 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
384 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
386 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
387 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
388 79c99a64 2019-05-23 stsp err = NULL;
389 f4a881ce 2018-11-17 stsp return err;
391 f4a881ce 2018-11-17 stsp tag->refcnt++;
393 f4a881ce 2018-11-17 stsp return NULL;
396 f4a881ce 2018-11-17 stsp struct got_tag_object *
397 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
399 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
400 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
403 d3c116bf 2021-10-15 stsp const struct got_error *
404 d3c116bf 2021-10-15 stsp got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
405 d3c116bf 2021-10-15 stsp struct got_raw_object *raw)
407 d3c116bf 2021-10-15 stsp #ifndef GOT_NO_OBJ_CACHE
408 d3c116bf 2021-10-15 stsp const struct got_error *err = NULL;
409 d3c116bf 2021-10-15 stsp err = got_object_cache_add(&repo->rawcache, id, raw);
411 d3c116bf 2021-10-15 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
412 d3c116bf 2021-10-15 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
413 d3c116bf 2021-10-15 stsp err = NULL;
414 d3c116bf 2021-10-15 stsp return err;
416 d3c116bf 2021-10-15 stsp raw->refcnt++;
418 d3c116bf 2021-10-15 stsp return NULL;
422 d3c116bf 2021-10-15 stsp struct got_raw_object *
423 d3c116bf 2021-10-15 stsp got_repo_get_cached_raw_object(struct got_repository *repo,
424 d3c116bf 2021-10-15 stsp struct got_object_id *id)
426 d3c116bf 2021-10-15 stsp return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
430 991ff1aa 2021-06-15 tracey static const struct got_error *
431 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
433 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
435 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
437 85f51bba 2018-07-16 stsp /* bare git repository? */
438 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
439 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
440 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
441 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
442 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
443 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
444 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
445 6d5a9006 2020-12-16 yzhong goto done;
447 8bd0cdad 2021-12-31 stsp repo->gitdir_fd = open(repo->path_git_dir,
448 8bd0cdad 2021-12-31 stsp O_DIRECTORY | O_CLOEXEC);
449 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
450 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
451 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
454 85f51bba 2018-07-16 stsp return NULL;
457 85f51bba 2018-07-16 stsp /* git repository with working tree? */
458 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
459 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
460 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
461 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
464 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
465 85f51bba 2018-07-16 stsp repo->path = strdup(path);
466 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
467 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
470 8bd0cdad 2021-12-31 stsp repo->gitdir_fd = open(repo->path_git_dir,
471 8bd0cdad 2021-12-31 stsp O_DIRECTORY | O_CLOEXEC);
472 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
473 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
474 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
475 6d5a9006 2020-12-16 yzhong goto done;
477 85f51bba 2018-07-16 stsp return NULL;
480 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
483 ee645855 2019-02-05 stsp free(repo->path);
484 ee645855 2019-02-05 stsp repo->path = NULL;
485 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
486 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
487 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
488 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
489 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
492 c9956ddf 2019-09-08 stsp return err;
495 c9956ddf 2019-09-08 stsp static const struct got_error *
496 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
498 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
499 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
501 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
502 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
503 c9956ddf 2019-09-08 stsp int dummy_repo_version;
504 6a800804 2022-10-13 stsp err = got_repo_read_gitconfig(&dummy_repo_version,
505 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
506 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
507 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
509 c9956ddf 2019-09-08 stsp return err;
512 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
513 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
514 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
515 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
517 6a800804 2022-10-13 stsp err = got_repo_read_gitconfig(
518 6a800804 2022-10-13 stsp &repo->gitconfig_repository_format_version,
519 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
520 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
521 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
522 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
526 3e0f95fc 2022-07-23 stsp if (getenv("GOT_IGNORE_GITCONFIG") != NULL) {
529 3e0f95fc 2022-07-23 stsp for (i = 0; i < repo->ngitconfig_remotes; i++) {
530 3e0f95fc 2022-07-23 stsp got_repo_free_remote_repo_data(
531 3e0f95fc 2022-07-23 stsp &repo->gitconfig_remotes[i]);
533 3e0f95fc 2022-07-23 stsp free(repo->gitconfig_remotes);
534 4fa16b39 2022-07-24 op repo->gitconfig_remotes = NULL;
535 3e0f95fc 2022-07-23 stsp repo->ngitconfig_remotes = 0;
537 3e0f95fc 2022-07-23 stsp free(repo->gitconfig_author_name);
538 3e0f95fc 2022-07-23 stsp repo->gitconfig_author_name = NULL;
539 3e0f95fc 2022-07-23 stsp free(repo->gitconfig_author_email);
540 3e0f95fc 2022-07-23 stsp repo->gitconfig_author_email = NULL;
542 4fa16b39 2022-07-24 op free(repo->global_gitconfig_author_name);
543 4fa16b39 2022-07-24 op repo->global_gitconfig_author_name = NULL;
544 4fa16b39 2022-07-24 op free(repo->global_gitconfig_author_email);
545 4fa16b39 2022-07-24 op repo->global_gitconfig_author_email = NULL;
549 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
550 257add31 2020-09-09 stsp return err;
553 257add31 2020-09-09 stsp static const struct got_error *
554 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
556 257add31 2020-09-09 stsp const struct got_error *err = NULL;
557 257add31 2020-09-09 stsp char *gotconfig_path;
559 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
560 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
561 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
563 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
564 257add31 2020-09-09 stsp free(gotconfig_path);
565 85f51bba 2018-07-16 stsp return err;
568 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
569 f134ecfd 2022-03-19 naddy static const char *const repo_extensions[] = {
570 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
571 2252c019 2021-07-03 stsp "preciousObjects", /* Supported by gotadmin cleanup. */
572 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
575 85f51bba 2018-07-16 stsp const struct got_error *
576 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
577 0ae84acc 2022-06-15 tracey const char *global_gitconfig_path, int *pack_fds)
579 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
580 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
581 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
582 0ae84acc 2022-06-15 tracey size_t i, j = 0;
583 6c414261 2021-03-30 stsp struct rlimit rl;
585 85f51bba 2018-07-16 stsp *repop = NULL;
587 6c414261 2021-03-30 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
588 6c414261 2021-03-30 stsp return got_error_from_errno("getrlimit");
590 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
591 c560c1f5 2022-03-14 op if (repo == NULL)
592 c560c1f5 2022-03-14 op return got_error_from_errno("calloc");
594 f8b19efd 2021-10-13 stsp RB_INIT(&repo->packidx_bloom_filters);
595 9b576444 2022-03-14 stsp TAILQ_INIT(&repo->packidx_paths);
597 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
598 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
599 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
600 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
603 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
604 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
607 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
608 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
611 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
612 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
615 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
616 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
619 d3c116bf 2021-10-15 stsp err = got_object_cache_init(&repo->rawcache,
620 d3c116bf 2021-10-15 stsp GOT_OBJECT_CACHE_TYPE_RAW);
624 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
625 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
626 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
627 57160834 2022-05-31 stsp for (i = 0; i < nitems(repo->packs); i++) {
628 57160834 2022-05-31 stsp if (i < repo->pack_cache_size) {
629 0ae84acc 2022-06-15 tracey repo->packs[i].basefd = pack_fds[j++];
630 0ae84acc 2022-06-15 tracey repo->packs[i].accumfd = pack_fds[j++];
632 57160834 2022-05-31 stsp repo->packs[i].basefd = -1;
633 57160834 2022-05-31 stsp repo->packs[i].accumfd = -1;
636 61af9b21 2022-06-28 stsp repo->pinned_pack = -1;
637 61af9b21 2022-06-28 stsp repo->pinned_packidx = -1;
638 61af9b21 2022-06-28 stsp repo->pinned_pid = 0;
640 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
641 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
642 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
647 aff6eea4 2020-10-20 stsp char *parent_path;
649 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
650 85f51bba 2018-07-16 stsp if (err == NULL)
652 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
654 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
655 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
658 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
661 aff6eea4 2020-10-20 stsp free(repo_path);
662 aff6eea4 2020-10-20 stsp repo_path = parent_path;
665 257add31 2020-09-09 stsp err = read_gotconfig(repo);
669 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
672 b5d22c38 2022-07-21 florian if (repo->gitconfig_repository_format_version != 0) {
673 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
674 b5d22c38 2022-07-21 florian goto done;
676 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
677 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
678 20b7abb3 2020-10-22 stsp int j, supported = 0;
679 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
680 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
681 20b7abb3 2020-10-22 stsp supported = 1;
685 20b7abb3 2020-10-22 stsp if (!supported) {
686 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
691 9b576444 2022-03-14 stsp err = got_repo_list_packidx(&repo->packidx_paths, repo);
694 5c2f5761 2018-09-19 stsp got_repo_close(repo);
696 85f51bba 2018-07-16 stsp *repop = repo;
697 aff6eea4 2020-10-20 stsp free(repo_path);
698 92af5469 2017-11-05 stsp return err;
701 ad242220 2018-09-08 stsp const struct got_error *
702 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
704 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
705 f8b19efd 2021-10-13 stsp struct got_packidx_bloom_filter *bf;
706 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
709 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
710 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
712 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
715 f8b19efd 2021-10-13 stsp while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
716 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters))) {
717 f8b19efd 2021-10-13 stsp RB_REMOVE(got_packidx_bloom_filter_tree,
718 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, bf);
719 794662a4 2022-08-31 stsp bloom_free(bf->bloom);
720 b343c297 2021-10-11 stsp free(bf->bloom);
724 0ae84acc 2022-06-15 tracey for (i = 0; i < repo->pack_cache_size; i++)
725 13242195 2022-05-31 stsp if (repo->packs[i].path_packfile)
726 0ae84acc 2022-06-15 tracey if (repo->packs[i].path_packfile)
727 0ae84acc 2022-06-15 tracey got_pack_close(&repo->packs[i]);
729 4027f31a 2017-11-04 stsp free(repo->path);
730 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
732 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
733 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
734 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
735 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
736 d3c116bf 2021-10-15 stsp got_object_cache_close(&repo->rawcache);
738 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
739 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
741 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
742 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
743 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
744 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
745 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
746 ad242220 2018-09-08 stsp if (child_err && err == NULL)
747 ad242220 2018-09-08 stsp err = child_err;
748 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
749 3a6ce05a 2019-02-11 stsp err == NULL)
750 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
753 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
754 1d0f4054 2021-06-17 stsp err == NULL)
755 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
757 50b0790e 2020-09-11 stsp if (repo->gotconfig)
758 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
759 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
760 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
761 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
762 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
763 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
764 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
765 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
766 20b7abb3 2020-10-22 stsp free(repo->extensions);
768 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry)
769 9b576444 2022-03-14 stsp free((void *)pe->path);
770 9b576444 2022-03-14 stsp got_pathlist_free(&repo->packidx_paths);
771 4027f31a 2017-11-04 stsp free(repo);
773 ad242220 2018-09-08 stsp return err;
777 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
781 b8adfa55 2020-09-25 stsp free(repo->name);
782 b8adfa55 2020-09-25 stsp repo->name = NULL;
783 6480c871 2021-08-30 stsp free(repo->fetch_url);
784 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
785 6480c871 2021-08-30 stsp free(repo->send_url);
786 6480c871 2021-08-30 stsp repo->send_url = NULL;
787 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
788 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
789 6480c871 2021-08-30 stsp free(repo->fetch_branches);
790 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
791 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
792 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
793 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
794 6480c871 2021-08-30 stsp free(repo->send_branches);
795 6480c871 2021-08-30 stsp repo->send_branches = NULL;
796 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
799 04ca23f4 2018-07-16 stsp const struct got_error *
800 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
801 8fa913ec 2020-11-14 stsp const char *input_path)
803 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
804 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
805 e83c0634 2020-01-27 stsp size_t repolen, len;
806 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
808 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
810 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
811 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
812 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
815 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
819 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
821 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
822 23721109 2018-10-22 stsp path = strdup(canonpath);
823 b70703ad 2019-03-18 stsp if (path == NULL) {
824 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
828 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
829 04ca23f4 2018-07-16 stsp if (path == NULL) {
830 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
831 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
836 b70703ad 2019-03-18 stsp * Path is not on disk.
837 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
839 b70703ad 2019-03-18 stsp path = strdup(canonpath);
840 b70703ad 2019-03-18 stsp if (path == NULL) {
841 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
846 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
847 04ca23f4 2018-07-16 stsp len = strlen(path);
850 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
851 04ca23f4 2018-07-16 stsp free(path);
852 04ca23f4 2018-07-16 stsp path = strdup("");
853 04ca23f4 2018-07-16 stsp if (path == NULL) {
854 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
857 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
858 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
859 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
860 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
862 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
863 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
865 abc59930 2021-09-05 naddy free(path);
866 abc59930 2021-09-05 naddy path = canonpath;
867 abc59930 2021-09-05 naddy canonpath = NULL;
869 04ca23f4 2018-07-16 stsp char *child;
870 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
871 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
872 04ca23f4 2018-07-16 stsp repo_abspath, path);
875 04ca23f4 2018-07-16 stsp free(path);
876 04ca23f4 2018-07-16 stsp path = child;
880 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
881 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
883 abc59930 2021-09-05 naddy free(path);
884 abc59930 2021-09-05 naddy path = canonpath;
885 abc59930 2021-09-05 naddy canonpath = NULL;
889 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
890 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
891 04ca23f4 2018-07-16 stsp char *abspath;
892 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
893 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
896 04ca23f4 2018-07-16 stsp free(path);
897 04ca23f4 2018-07-16 stsp path = abspath;
901 04ca23f4 2018-07-16 stsp free(canonpath);
903 04ca23f4 2018-07-16 stsp free(path);
905 04ca23f4 2018-07-16 stsp *in_repo_path = path;
906 1510f469 2018-09-09 stsp return err;
909 e1a68182 2020-01-07 stsp static const struct got_error *
910 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
911 e1a68182 2020-01-07 stsp const char *path_packidx)
913 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
916 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
917 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
919 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
920 e1a68182 2020-01-07 stsp path_packidx) == 0) {
921 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
924 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
927 61af9b21 2022-06-28 stsp } while (i > 0 && repo->pinned_packidx >= 0 &&
928 61af9b21 2022-06-28 stsp i == repo->pinned_packidx);
929 7a0b1068 2021-10-11 stsp err = got_packidx_close(repo->packidx_cache[i]);
931 1510f469 2018-09-09 stsp return err;
934 7a0b1068 2021-10-11 stsp repo->packidx_cache[i] = packidx;
936 1510f469 2018-09-09 stsp return NULL;
940 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
942 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
945 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
948 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
949 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
955 f8b19efd 2021-10-13 stsp static struct got_packidx_bloom_filter *
956 f8b19efd 2021-10-13 stsp get_packidx_bloom_filter(struct got_repository *repo,
957 f8b19efd 2021-10-13 stsp const char *path, size_t path_len)
959 f8b19efd 2021-10-13 stsp struct got_packidx_bloom_filter key;
961 f8b19efd 2021-10-13 stsp if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
962 f8b19efd 2021-10-13 stsp return NULL; /* XXX */
963 f8b19efd 2021-10-13 stsp key.path_len = path_len;
965 f8b19efd 2021-10-13 stsp return RB_FIND(got_packidx_bloom_filter_tree,
966 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, &key);
970 67fd6849 2022-02-13 stsp got_repo_check_packidx_bloom_filter(struct got_repository *repo,
971 b343c297 2021-10-11 stsp const char *path_packidx, struct got_object_id *id)
973 b343c297 2021-10-11 stsp struct got_packidx_bloom_filter *bf;
975 f8b19efd 2021-10-13 stsp bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
977 f8b19efd 2021-10-13 stsp return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
979 b343c297 2021-10-11 stsp /* No bloom filter means this pack index must be searched. */
983 b343c297 2021-10-11 stsp static const struct got_error *
984 b343c297 2021-10-11 stsp add_packidx_bloom_filter(struct got_repository *repo,
985 b343c297 2021-10-11 stsp struct got_packidx *packidx, const char *path_packidx)
987 b343c297 2021-10-11 stsp int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
988 b343c297 2021-10-11 stsp struct got_packidx_bloom_filter *bf;
989 b343c297 2021-10-11 stsp size_t len;
992 b343c297 2021-10-11 stsp * Don't use bloom filters for very large pack index files.
993 b343c297 2021-10-11 stsp * Large pack files will contain a relatively large fraction
994 b343c297 2021-10-11 stsp * of our objects so we will likely need to visit them anyway.
995 b343c297 2021-10-11 stsp * The more objects a pack file contains the higher the probability
996 b343c297 2021-10-11 stsp * of a false-positive match from the bloom filter. And reading
997 b343c297 2021-10-11 stsp * all object IDs from a large pack index file can be expensive.
999 b343c297 2021-10-11 stsp if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1000 b343c297 2021-10-11 stsp return NULL;
1002 b343c297 2021-10-11 stsp /* Do we already have a filter for this pack index? */
1003 f8b19efd 2021-10-13 stsp if (get_packidx_bloom_filter(repo, path_packidx,
1004 f8b19efd 2021-10-13 stsp strlen(path_packidx)) != NULL)
1005 f8b19efd 2021-10-13 stsp return NULL;
1007 b343c297 2021-10-11 stsp bf = calloc(1, sizeof(*bf));
1008 b343c297 2021-10-11 stsp if (bf == NULL)
1009 b343c297 2021-10-11 stsp return got_error_from_errno("calloc");
1010 b343c297 2021-10-11 stsp bf->bloom = calloc(1, sizeof(*bf->bloom));
1011 b343c297 2021-10-11 stsp if (bf->bloom == NULL) {
1013 b343c297 2021-10-11 stsp return got_error_from_errno("calloc");
1016 f8b19efd 2021-10-13 stsp len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1017 f8b19efd 2021-10-13 stsp if (len >= sizeof(bf->path)) {
1018 b343c297 2021-10-11 stsp free(bf->bloom);
1020 b343c297 2021-10-11 stsp return got_error(GOT_ERR_NO_SPACE);
1022 f8b19efd 2021-10-13 stsp bf->path_len = len;
1024 b343c297 2021-10-11 stsp /* Minimum size supported by our bloom filter is 1000 entries. */
1025 b343c297 2021-10-11 stsp bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1026 b343c297 2021-10-11 stsp for (i = 0; i < nobjects; i++) {
1027 b343c297 2021-10-11 stsp struct got_packidx_object_id *id;
1028 b343c297 2021-10-11 stsp id = &packidx->hdr.sorted_ids[i];
1029 b343c297 2021-10-11 stsp bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1032 f8b19efd 2021-10-13 stsp RB_INSERT(got_packidx_bloom_filter_tree,
1033 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, bf);
1034 b343c297 2021-10-11 stsp return NULL;
1037 1510f469 2018-09-09 stsp const struct got_error *
1038 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1039 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
1041 1510f469 2018-09-09 stsp const struct got_error *err;
1042 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
1045 1510f469 2018-09-09 stsp /* Search pack index cache. */
1046 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1047 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1049 67fd6849 2022-02-13 stsp if (!got_repo_check_packidx_bloom_filter(repo,
1050 b343c297 2021-10-11 stsp repo->packidx_cache[i]->path_packidx, id))
1051 b343c297 2021-10-11 stsp continue; /* object will not be found in this index */
1052 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1053 1510f469 2018-09-09 stsp if (*idx != -1) {
1054 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
1056 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
1057 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
1059 87c1ed2b 2020-01-07 stsp if (i > 0) {
1060 7a0b1068 2021-10-11 stsp memmove(&repo->packidx_cache[1],
1061 7a0b1068 2021-10-11 stsp &repo->packidx_cache[0],
1062 7a0b1068 2021-10-11 stsp i * sizeof(repo->packidx_cache[0]));
1063 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
1064 61af9b21 2022-06-28 stsp if (repo->pinned_packidx >= 0 &&
1065 61af9b21 2022-06-28 stsp repo->pinned_packidx < i)
1066 61af9b21 2022-06-28 stsp repo->pinned_packidx++;
1067 61af9b21 2022-06-28 stsp else if (repo->pinned_packidx == i)
1068 61af9b21 2022-06-28 stsp repo->pinned_packidx = 0;
1070 1510f469 2018-09-09 stsp return NULL;
1073 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
1075 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1076 9b576444 2022-03-14 stsp const char *path_packidx = pe->path;
1077 e1a68182 2020-01-07 stsp int is_cached = 0;
1079 67fd6849 2022-02-13 stsp if (!got_repo_check_packidx_bloom_filter(repo,
1080 9b576444 2022-03-14 stsp pe->path, id))
1081 b343c297 2021-10-11 stsp continue; /* object will not be found in this index */
1083 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1084 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1086 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1087 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1088 e1a68182 2020-01-07 stsp is_cached = 1;
1092 9b576444 2022-03-14 stsp if (is_cached)
1093 e1a68182 2020-01-07 stsp continue; /* already searched */
1095 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1096 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1098 e1a68182 2020-01-07 stsp goto done;
1100 b343c297 2021-10-11 stsp err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1102 b343c297 2021-10-11 stsp goto done;
1104 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1106 1510f469 2018-09-09 stsp goto done;
1108 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1109 1510f469 2018-09-09 stsp if (*idx != -1) {
1110 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1111 1510f469 2018-09-09 stsp goto done;
1115 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1117 04ca23f4 2018-07-16 stsp return err;
1120 67fd6849 2022-02-13 stsp const struct got_error *
1121 67fd6849 2022-02-13 stsp got_repo_list_packidx(struct got_pathlist_head *packidx_paths,
1122 67fd6849 2022-02-13 stsp struct got_repository *repo)
1124 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
1125 67fd6849 2022-02-13 stsp DIR *packdir = NULL;
1126 67fd6849 2022-02-13 stsp struct dirent *dent;
1127 67fd6849 2022-02-13 stsp char *path_packidx = NULL;
1128 67fd6849 2022-02-13 stsp int packdir_fd;
1129 b8a4401b 2022-09-01 stsp struct stat sb;
1131 67fd6849 2022-02-13 stsp packdir_fd = openat(got_repo_get_fd(repo),
1132 67fd6849 2022-02-13 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1133 67fd6849 2022-02-13 stsp if (packdir_fd == -1) {
1134 67fd6849 2022-02-13 stsp return got_error_from_errno_fmt("openat: %s/%s",
1135 67fd6849 2022-02-13 stsp got_repo_get_path_git_dir(repo),
1136 67fd6849 2022-02-13 stsp GOT_OBJECTS_PACK_DIR);
1139 67fd6849 2022-02-13 stsp packdir = fdopendir(packdir_fd);
1140 67fd6849 2022-02-13 stsp if (packdir == NULL) {
1141 67fd6849 2022-02-13 stsp err = got_error_from_errno("fdopendir");
1142 b8a4401b 2022-09-01 stsp goto done;
1145 b8a4401b 2022-09-01 stsp if (fstat(packdir_fd, &sb) == -1) {
1146 b8a4401b 2022-09-01 stsp err = got_error_from_errno("fstat");
1147 67fd6849 2022-02-13 stsp goto done;
1149 b8a4401b 2022-09-01 stsp repo->pack_path_mtime = sb.st_mtime;
1151 67fd6849 2022-02-13 stsp while ((dent = readdir(packdir)) != NULL) {
1152 67fd6849 2022-02-13 stsp if (!got_repo_is_packidx_filename(dent->d_name, dent->d_namlen))
1155 67fd6849 2022-02-13 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1156 67fd6849 2022-02-13 stsp dent->d_name) == -1) {
1157 67fd6849 2022-02-13 stsp err = got_error_from_errno("asprintf");
1158 67fd6849 2022-02-13 stsp path_packidx = NULL;
1162 67fd6849 2022-02-13 stsp err = got_pathlist_append(packidx_paths, path_packidx, NULL);
1168 67fd6849 2022-02-13 stsp free(path_packidx);
1169 67fd6849 2022-02-13 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1170 67fd6849 2022-02-13 stsp err = got_error_from_errno("closedir");
1171 67fd6849 2022-02-13 stsp return err;
1174 67fd6849 2022-02-13 stsp const struct got_error *
1175 67fd6849 2022-02-13 stsp got_repo_get_packidx(struct got_packidx **packidx, const char *path_packidx,
1176 67fd6849 2022-02-13 stsp struct got_repository *repo)
1178 67fd6849 2022-02-13 stsp const struct got_error *err;
1181 67fd6849 2022-02-13 stsp *packidx = NULL;
1183 67fd6849 2022-02-13 stsp /* Search pack index cache. */
1184 67fd6849 2022-02-13 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1185 67fd6849 2022-02-13 stsp if (repo->packidx_cache[i] == NULL)
1187 67fd6849 2022-02-13 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1188 67fd6849 2022-02-13 stsp path_packidx) == 0) {
1189 67fd6849 2022-02-13 stsp *packidx = repo->packidx_cache[i];
1190 67fd6849 2022-02-13 stsp return NULL;
1193 67fd6849 2022-02-13 stsp /* No luck. Search the filesystem. */
1195 67fd6849 2022-02-13 stsp err = got_packidx_open(packidx, got_repo_get_fd(repo),
1196 67fd6849 2022-02-13 stsp path_packidx, 0);
1198 67fd6849 2022-02-13 stsp return err;
1200 67fd6849 2022-02-13 stsp err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1202 67fd6849 2022-02-13 stsp goto done;
1204 67fd6849 2022-02-13 stsp err = cache_packidx(repo, *packidx, path_packidx);
1206 67fd6849 2022-02-13 stsp if (err) {
1207 67fd6849 2022-02-13 stsp got_packidx_close(*packidx);
1208 67fd6849 2022-02-13 stsp *packidx = NULL;
1210 67fd6849 2022-02-13 stsp return err;
1213 1510f469 2018-09-09 stsp static const struct got_error *
1214 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1216 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1217 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1218 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1219 1510f469 2018-09-09 stsp ssize_t n;
1221 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1222 1510f469 2018-09-09 stsp if (n < 0)
1223 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1224 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1225 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1227 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1228 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1229 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1230 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1232 1510f469 2018-09-09 stsp return err;
1235 1510f469 2018-09-09 stsp static const struct got_error *
1236 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1237 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1239 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1241 e7ae0baf 2021-12-31 stsp *fd = openat(got_repo_get_fd(repo), relpath,
1242 e7ae0baf 2021-12-31 stsp O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
1243 1510f469 2018-09-09 stsp if (*fd == -1)
1244 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1245 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1247 1510f469 2018-09-09 stsp if (packidx) {
1248 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1249 1510f469 2018-09-09 stsp if (err) {
1250 1510f469 2018-09-09 stsp close(*fd);
1255 1510f469 2018-09-09 stsp return err;
1258 1510f469 2018-09-09 stsp const struct got_error *
1259 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1260 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1262 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1263 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1264 ff563a3d 2019-05-23 stsp struct stat sb;
1267 1510f469 2018-09-09 stsp if (packp)
1268 1510f469 2018-09-09 stsp *packp = NULL;
1270 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1271 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1272 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1274 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1275 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1278 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1279 6a881297 2022-06-02 stsp struct got_pack tmp;
1282 61af9b21 2022-06-28 stsp } while (i > 0 && repo->pinned_pack >= 0 &&
1283 61af9b21 2022-06-28 stsp i == repo->pinned_pack);
1284 61af9b21 2022-06-28 stsp err = got_pack_close(&repo->packs[i]);
1286 1510f469 2018-09-09 stsp return err;
1287 61af9b21 2022-06-28 stsp if (ftruncate(repo->packs[i].basefd, 0L) == -1)
1288 57160834 2022-05-31 stsp return got_error_from_errno("ftruncate");
1289 61af9b21 2022-06-28 stsp if (ftruncate(repo->packs[i].accumfd, 0L) == -1)
1290 61af9b21 2022-06-28 stsp return got_error_from_errno("ftruncate");
1291 5e91dae4 2022-08-30 stsp memcpy(&tmp, &repo->packs[i], sizeof(tmp));
1292 61af9b21 2022-06-28 stsp memcpy(&repo->packs[i], &repo->packs[0],
1293 61af9b21 2022-06-28 stsp sizeof(repo->packs[i]));
1294 6a881297 2022-06-02 stsp memcpy(&repo->packs[0], &tmp, sizeof(repo->packs[0]));
1295 61af9b21 2022-06-28 stsp if (repo->pinned_pack == 0)
1296 61af9b21 2022-06-28 stsp repo->pinned_pack = i;
1297 61af9b21 2022-06-28 stsp else if (repo->pinned_pack == i)
1298 61af9b21 2022-06-28 stsp repo->pinned_pack = 0;
1302 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1304 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1305 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1306 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1307 1510f469 2018-09-09 stsp goto done;
1310 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1312 1510f469 2018-09-09 stsp goto done;
1314 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1315 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1316 1510f469 2018-09-09 stsp goto done;
1318 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1320 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1322 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1323 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1324 1510f469 2018-09-09 stsp pack->fd, 0);
1325 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1326 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1327 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1328 3a11398b 2019-02-21 stsp goto done;
1330 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1334 1510f469 2018-09-09 stsp if (err) {
1335 1510f469 2018-09-09 stsp if (pack) {
1336 1510f469 2018-09-09 stsp free(pack->path_packfile);
1337 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1339 1510f469 2018-09-09 stsp } else if (packp)
1340 1510f469 2018-09-09 stsp *packp = pack;
1341 1510f469 2018-09-09 stsp return err;
1344 1510f469 2018-09-09 stsp struct got_pack *
1345 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1347 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1350 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1351 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1352 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1354 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1355 1510f469 2018-09-09 stsp return pack;
1358 61af9b21 2022-06-28 stsp return NULL;
1361 61af9b21 2022-06-28 stsp const struct got_error *
1362 61af9b21 2022-06-28 stsp got_repo_pin_pack(struct got_repository *repo, struct got_packidx *packidx,
1363 61af9b21 2022-06-28 stsp struct got_pack *pack)
1366 61af9b21 2022-06-28 stsp int pinned_pack = -1, pinned_packidx = -1;
1368 61af9b21 2022-06-28 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1369 61af9b21 2022-06-28 stsp if (repo->packidx_cache[i] &&
1370 61af9b21 2022-06-28 stsp strcmp(repo->packidx_cache[i]->path_packidx,
1371 61af9b21 2022-06-28 stsp packidx->path_packidx) == 0)
1372 61af9b21 2022-06-28 stsp pinned_packidx = i;
1373 61af9b21 2022-06-28 stsp if (repo->packs[i].path_packfile &&
1374 61af9b21 2022-06-28 stsp strcmp(repo->packs[i].path_packfile,
1375 61af9b21 2022-06-28 stsp pack->path_packfile) == 0)
1376 61af9b21 2022-06-28 stsp pinned_pack = i;
1379 61af9b21 2022-06-28 stsp if (pinned_packidx == -1 || pinned_pack == -1)
1380 61af9b21 2022-06-28 stsp return got_error(GOT_ERR_PIN_PACK);
1382 61af9b21 2022-06-28 stsp repo->pinned_pack = pinned_pack;
1383 61af9b21 2022-06-28 stsp repo->pinned_packidx = pinned_packidx;
1384 61af9b21 2022-06-28 stsp repo->pinned_pid = repo->packs[pinned_pack].privsep_child->pid;
1385 61af9b21 2022-06-28 stsp return NULL;
1388 61af9b21 2022-06-28 stsp struct got_pack *
1389 61af9b21 2022-06-28 stsp got_repo_get_pinned_pack(struct got_repository *repo)
1391 61af9b21 2022-06-28 stsp if (repo->pinned_pack >= 0 &&
1392 61af9b21 2022-06-28 stsp repo->pinned_pack < repo->pack_cache_size)
1393 61af9b21 2022-06-28 stsp return &repo->packs[repo->pinned_pack];
1395 2c7829a4 2019-06-17 stsp return NULL;
1399 61af9b21 2022-06-28 stsp got_repo_unpin_pack(struct got_repository *repo)
1401 61af9b21 2022-06-28 stsp repo->pinned_packidx = -1;
1402 61af9b21 2022-06-28 stsp repo->pinned_pack = -1;
1403 61af9b21 2022-06-28 stsp repo->pinned_pid = 0;
1406 2c7829a4 2019-06-17 stsp const struct got_error *
1407 6f04a73d 2022-09-20 mark got_repo_init(const char *repo_path, const char *head_name)
1409 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1410 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1411 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1412 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1413 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1415 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1416 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1417 6f04a73d 2022-09-20 mark const char *headref = "ref: refs/heads/";
1418 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1419 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1420 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1421 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1422 6f04a73d 2022-09-20 mark char *headref_str, *path;
1425 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1426 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1428 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1429 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1430 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1432 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1433 2c7829a4 2019-06-17 stsp free(path);
1435 2c7829a4 2019-06-17 stsp return err;
1438 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1439 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1440 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1441 2c7829a4 2019-06-17 stsp free(path);
1443 2c7829a4 2019-06-17 stsp return err;
1445 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1446 6f04a73d 2022-09-20 mark return got_error_from_errno("asprintf");
1447 6f04a73d 2022-09-20 mark if (asprintf(&headref_str, "%s%s", headref,
1448 6f04a73d 2022-09-20 mark head_name ? head_name : "main") == -1) {
1449 6f04a73d 2022-09-20 mark free(path);
1450 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1452 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1453 6f04a73d 2022-09-20 mark free(headref_str);
1454 2c7829a4 2019-06-17 stsp free(path);
1456 2c7829a4 2019-06-17 stsp return err;
1458 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1459 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1460 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1461 2c7829a4 2019-06-17 stsp free(path);
1463 2c7829a4 2019-06-17 stsp return err;
1465 1510f469 2018-09-09 stsp return NULL;
1468 b8a4401b 2022-09-01 stsp static void
1469 b8a4401b 2022-09-01 stsp purge_packidx_paths(struct got_pathlist_head *packidx_paths)
1471 b8a4401b 2022-09-01 stsp struct got_pathlist_entry *pe;
1473 b8a4401b 2022-09-01 stsp while (!TAILQ_EMPTY(packidx_paths)) {
1474 b8a4401b 2022-09-01 stsp pe = TAILQ_FIRST(packidx_paths);
1475 b8a4401b 2022-09-01 stsp TAILQ_REMOVE(packidx_paths, pe, entry);
1476 b8a4401b 2022-09-01 stsp free((char *)pe->path);
1481 e09a504c 2019-06-28 stsp static const struct got_error *
1482 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1483 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1485 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1486 8ee99f94 2022-09-06 op char *objects_pack_dir = NULL;
1487 9b576444 2022-03-14 stsp struct got_object_id_queue matched_ids;
1488 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
1489 b8a4401b 2022-09-01 stsp struct stat sb;
1491 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1493 8ee99f94 2022-09-06 op objects_pack_dir = got_repo_get_path_objects_pack(repo);
1494 8ee99f94 2022-09-06 op if (objects_pack_dir == NULL)
1495 8ee99f94 2022-09-06 op return got_error_from_errno("got_repo_get_path_objects_pack");
1497 8ee99f94 2022-09-06 op if (stat(objects_pack_dir, &sb) == -1) {
1498 8ee99f94 2022-09-06 op if (errno != ENOENT) {
1499 8ee99f94 2022-09-06 op err = got_error_from_errno2("stat", objects_pack_dir);
1502 b8a4401b 2022-09-01 stsp } else if (sb.st_mtime != repo->pack_path_mtime) {
1503 b8a4401b 2022-09-01 stsp purge_packidx_paths(&repo->packidx_paths);
1504 b8a4401b 2022-09-01 stsp err = got_repo_list_packidx(&repo->packidx_paths, repo);
1509 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1510 9b576444 2022-03-14 stsp const char *path_packidx = pe->path;
1511 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1512 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1514 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1515 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1519 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1520 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1521 4277420a 2019-06-29 stsp if (err) {
1522 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1525 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1529 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &matched_ids, entry) {
1530 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1531 dd88155e 2019-06-29 stsp int matched_type;
1532 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1533 d7b5a0e8 2022-04-20 stsp &qid->id);
1535 dd88155e 2019-06-29 stsp goto done;
1536 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1539 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1540 d7b5a0e8 2022-04-20 stsp *unique_id = got_object_id_dup(&qid->id);
1541 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1542 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1543 dd88155e 2019-06-29 stsp goto done;
1546 d7b5a0e8 2022-04-20 stsp if (got_object_id_cmp(*unique_id,
1547 d7b5a0e8 2022-04-20 stsp &qid->id) == 0)
1548 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1549 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1550 561c3678 2019-07-02 stsp goto done;
1555 8ee99f94 2022-09-06 op free(objects_pack_dir);
1556 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1557 e09a504c 2019-06-28 stsp if (err) {
1558 e09a504c 2019-06-28 stsp free(*unique_id);
1559 e09a504c 2019-06-28 stsp *unique_id = NULL;
1561 e09a504c 2019-06-28 stsp return err;
1564 e09a504c 2019-06-28 stsp static const struct got_error *
1565 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1566 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1567 e09a504c 2019-06-28 stsp struct got_repository *repo)
1569 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1570 5d22ea52 2022-09-02 op char *path, *id_str = NULL;
1571 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1572 e09a504c 2019-06-28 stsp struct dirent *dent;
1573 e09a504c 2019-06-28 stsp struct got_object_id id;
1575 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1576 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1577 e09a504c 2019-06-28 stsp goto done;
1580 e09a504c 2019-06-28 stsp dir = opendir(path);
1581 e09a504c 2019-06-28 stsp if (dir == NULL) {
1582 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1583 4277420a 2019-06-29 stsp err = NULL;
1584 4277420a 2019-06-29 stsp goto done;
1586 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1587 e09a504c 2019-06-28 stsp goto done;
1589 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1592 5d22ea52 2022-09-02 op free(id_str);
1593 5d22ea52 2022-09-02 op id_str = NULL;
1595 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1596 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1599 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1600 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1601 e09a504c 2019-06-28 stsp goto done;
1604 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1608 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1609 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1611 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1612 5d22ea52 2022-09-02 op if (cmp != 0)
1615 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1616 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1617 dd88155e 2019-06-29 stsp int matched_type;
1618 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1621 dd88155e 2019-06-29 stsp goto done;
1622 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1625 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1626 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1627 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1628 e09a504c 2019-06-28 stsp goto done;
1631 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1632 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1633 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1634 e09a504c 2019-06-28 stsp goto done;
1638 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1639 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1640 e09a504c 2019-06-28 stsp if (err) {
1641 e09a504c 2019-06-28 stsp free(*unique_id);
1642 e09a504c 2019-06-28 stsp *unique_id = NULL;
1644 5d22ea52 2022-09-02 op free(id_str);
1645 e09a504c 2019-06-28 stsp free(path);
1646 e09a504c 2019-06-28 stsp return err;
1649 e09a504c 2019-06-28 stsp const struct got_error *
1650 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1651 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1653 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1654 8ee99f94 2022-09-06 op char *path_objects = NULL, *object_dir = NULL;
1655 e09a504c 2019-06-28 stsp size_t len;
1658 4277420a 2019-06-29 stsp *id = NULL;
1660 8ee99f94 2022-09-06 op path_objects = got_repo_get_path_objects(repo);
1662 0e6ab4b2 2022-03-10 stsp len = strlen(id_str_prefix);
1663 8ee99f94 2022-09-06 op if (len > SHA1_DIGEST_STRING_LENGTH - 1) {
1664 8ee99f94 2022-09-06 op err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1668 0e6ab4b2 2022-03-10 stsp for (i = 0; i < len; i++) {
1669 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1671 8ee99f94 2022-09-06 op err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1675 e09a504c 2019-06-28 stsp if (len >= 2) {
1676 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1678 83c8b3b8 2019-06-29 stsp goto done;
1679 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1680 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1681 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1682 83c8b3b8 2019-06-29 stsp goto done;
1684 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1685 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1686 e09a504c 2019-06-28 stsp } else if (len == 1) {
1688 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1689 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1691 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1692 83c8b3b8 2019-06-29 stsp goto done;
1694 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1695 dd88155e 2019-06-29 stsp obj_type);
1697 83c8b3b8 2019-06-29 stsp goto done;
1698 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1699 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1701 83c8b3b8 2019-06-29 stsp goto done;
1704 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1705 83c8b3b8 2019-06-29 stsp goto done;
1708 8ee99f94 2022-09-06 op free(path_objects);
1709 e09a504c 2019-06-28 stsp free(object_dir);
1710 4277420a 2019-06-29 stsp if (err) {
1711 4277420a 2019-06-29 stsp free(*id);
1712 4277420a 2019-06-29 stsp *id = NULL;
1713 138e4f47 2021-10-09 stsp } else if (*id == NULL) {
1714 138e4f47 2021-10-09 stsp switch (obj_type) {
1715 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_BLOB:
1716 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1717 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_BLOB, id_str_prefix);
1719 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_TREE:
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_TREE, id_str_prefix);
1723 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_COMMIT:
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_COMMIT, id_str_prefix);
1727 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_TAG:
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_TAG, id_str_prefix);
1732 138e4f47 2021-10-09 stsp err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1737 303e2782 2019-08-09 stsp return err;
1740 303e2782 2019-08-09 stsp const struct got_error *
1741 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1742 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1743 71a27632 2020-01-15 stsp struct got_repository *repo)
1745 71a27632 2020-01-15 stsp const struct got_error *err;
1746 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1747 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1749 71a27632 2020-01-15 stsp *id = NULL;
1750 71a27632 2020-01-15 stsp if (label)
1751 71a27632 2020-01-15 stsp *label = NULL;
1753 84de9106 2020-12-26 stsp if (refs) {
1754 237cfda1 2021-10-08 stsp err = got_repo_object_match_tag(&tag, id_str, obj_type,
1755 84de9106 2020-12-26 stsp refs, repo);
1756 71a27632 2020-01-15 stsp if (err == NULL) {
1757 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1758 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1759 71a27632 2020-01-15 stsp if (*id == NULL)
1760 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1761 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1762 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1763 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1764 71a27632 2020-01-15 stsp free(*id);
1765 71a27632 2020-01-15 stsp *id = NULL;
1767 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1768 71a27632 2020-01-15 stsp return err;
1769 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1770 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1771 71a27632 2020-01-15 stsp return err;
1774 0ed2285b 2022-03-09 stsp err = got_ref_open(&ref, repo, id_str, 0);
1775 0ed2285b 2022-03-09 stsp if (err == NULL) {
1776 0ed2285b 2022-03-09 stsp err = got_ref_resolve(id, repo, ref);
1778 71a27632 2020-01-15 stsp goto done;
1779 71a27632 2020-01-15 stsp if (label) {
1780 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1781 71a27632 2020-01-15 stsp if (*label == NULL) {
1782 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1783 71a27632 2020-01-15 stsp goto done;
1787 0ed2285b 2022-03-09 stsp if (err->code != GOT_ERR_NOT_REF &&
1788 0ed2285b 2022-03-09 stsp err->code != GOT_ERR_BAD_REF_NAME)
1789 71a27632 2020-01-15 stsp goto done;
1790 0ed2285b 2022-03-09 stsp err = got_repo_match_object_id_prefix(id, id_str,
1791 0ed2285b 2022-03-09 stsp obj_type, repo);
1792 0ed2285b 2022-03-09 stsp if (err) {
1793 0ed2285b 2022-03-09 stsp if (err->code == GOT_ERR_BAD_OBJ_ID_STR)
1794 0ed2285b 2022-03-09 stsp err = got_error_not_ref(id_str);
1795 0ed2285b 2022-03-09 stsp goto done;
1797 0ed2285b 2022-03-09 stsp if (label) {
1798 0ed2285b 2022-03-09 stsp err = got_object_id_str(label, *id);
1799 0ed2285b 2022-03-09 stsp if (*label == NULL) {
1800 0ed2285b 2022-03-09 stsp err = got_error_from_errno("strdup");
1801 0ed2285b 2022-03-09 stsp goto done;
1807 71a27632 2020-01-15 stsp got_ref_close(ref);
1808 71a27632 2020-01-15 stsp return err;
1811 71a27632 2020-01-15 stsp const struct got_error *
1812 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1813 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1815 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1816 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1817 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1818 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1820 303e2782 2019-08-09 stsp *tag = NULL;
1822 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1823 303e2782 2019-08-09 stsp const char *refname;
1824 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1825 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1827 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1829 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1830 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1831 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1833 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1836 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1837 303e2782 2019-08-09 stsp free(tag_id);
1840 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1841 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1843 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1844 303e2782 2019-08-09 stsp *tag = NULL;
1847 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1848 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1849 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TAG, name);
1850 e09a504c 2019-06-28 stsp return err;
1853 3ce1b845 2019-07-15 stsp static const struct got_error *
1854 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1855 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1857 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1859 3ce1b845 2019-07-15 stsp *new_te = NULL;
1861 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1862 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1863 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1865 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1866 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1867 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1868 3ce1b845 2019-07-15 stsp goto done;
1871 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1872 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1874 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1875 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1877 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1879 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1880 56e0773d 2019-11-28 stsp free(*new_te);
1881 3ce1b845 2019-07-15 stsp *new_te = NULL;
1883 3ce1b845 2019-07-15 stsp return err;
1886 3ce1b845 2019-07-15 stsp static const struct got_error *
1887 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1888 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1890 3ce1b845 2019-07-15 stsp const struct got_error *err;
1891 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1892 3ce1b845 2019-07-15 stsp char *filepath;
1893 3ce1b845 2019-07-15 stsp struct stat sb;
1895 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1896 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1897 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1899 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1900 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1901 3ce1b845 2019-07-15 stsp goto done;
1904 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1906 3ce1b845 2019-07-15 stsp goto done;
1908 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1911 3ce1b845 2019-07-15 stsp free(filepath);
1913 3ce1b845 2019-07-15 stsp free(blob_id);
1914 3ce1b845 2019-07-15 stsp return err;
1917 3ce1b845 2019-07-15 stsp static const struct got_error *
1918 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1919 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1921 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1922 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
1924 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
1926 3ce1b845 2019-07-15 stsp return err;
1927 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
1928 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
1929 3ce1b845 2019-07-15 stsp return NULL;
1932 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
1933 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
1934 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
1936 3ce1b845 2019-07-15 stsp static const struct got_error *
1937 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
1938 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
1939 3ce1b845 2019-07-15 stsp struct got_repository *repo,
1940 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1942 3ce1b845 2019-07-15 stsp const struct got_error *err;
1943 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
1944 3ce1b845 2019-07-15 stsp char *subdirpath;
1946 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
1947 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1948 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1950 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
1951 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
1952 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
1953 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
1954 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
1955 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1956 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1957 3ce1b845 2019-07-15 stsp goto done;
1959 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
1960 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1962 56e0773d 2019-11-28 stsp goto done;
1963 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
1967 3ce1b845 2019-07-15 stsp free(subdirpath);
1968 3ce1b845 2019-07-15 stsp if (err) {
1969 56e0773d 2019-11-28 stsp free(*new_te);
1970 3ce1b845 2019-07-15 stsp *new_te = NULL;
1972 3ce1b845 2019-07-15 stsp return err;
1975 3ce1b845 2019-07-15 stsp static const struct got_error *
1976 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
1977 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
1978 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1980 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1982 3ce1b845 2019-07-15 stsp struct dirent *de;
1983 56e0773d 2019-11-28 stsp int nentries;
1984 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
1985 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
1986 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
1988 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
1990 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
1992 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
1993 3ce1b845 2019-07-15 stsp if (dir == NULL) {
1994 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
1995 3ce1b845 2019-07-15 stsp goto done;
1998 56e0773d 2019-11-28 stsp nentries = 0;
1999 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
2000 3ce1b845 2019-07-15 stsp int ignore = 0;
2003 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
2004 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
2007 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
2008 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
2009 3ce1b845 2019-07-15 stsp ignore = 1;
2013 3ce1b845 2019-07-15 stsp if (ignore)
2016 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
2018 20ccae39 2020-07-21 stsp goto done;
2020 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
2021 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
2022 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
2023 db1d3576 2019-10-04 stsp if (err) {
2024 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
2025 db1d3576 2019-10-04 stsp goto done;
2026 db1d3576 2019-10-04 stsp err = NULL;
2029 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
2030 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
2032 3ce1b845 2019-07-15 stsp goto done;
2036 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
2038 3ce1b845 2019-07-15 stsp goto done;
2039 56e0773d 2019-11-28 stsp nentries++;
2042 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
2043 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
2044 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
2045 db1d3576 2019-10-04 stsp goto done;
2048 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
2049 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
2050 3ce1b845 2019-07-15 stsp char *path;
2051 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
2053 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
2054 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
2055 3ce1b845 2019-07-15 stsp goto done;
2057 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
2058 3ce1b845 2019-07-15 stsp free(path);
2060 3ce1b845 2019-07-15 stsp goto done;
2063 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
2066 3ce1b845 2019-07-15 stsp closedir(dir);
2067 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
2068 3ce1b845 2019-07-15 stsp return err;
2071 3ce1b845 2019-07-15 stsp const struct got_error *
2072 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
2073 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
2074 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
2075 3ce1b845 2019-07-15 stsp void *progress_arg)
2077 3ce1b845 2019-07-15 stsp const struct got_error *err;
2078 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
2080 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
2081 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2083 3ce1b845 2019-07-15 stsp return err;
2085 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
2086 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
2087 3ce1b845 2019-07-15 stsp free(new_tree_id);
2088 20662ea0 2021-04-10 stsp return err;
2091 20662ea0 2021-04-10 stsp const struct got_error *
2092 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
2093 20662ea0 2021-04-10 stsp struct got_repository *repo)
2095 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
2096 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
2097 20662ea0 2021-04-10 stsp DIR *dir = NULL;
2098 20662ea0 2021-04-10 stsp struct got_object_id id;
2101 20662ea0 2021-04-10 stsp *nobjects = 0;
2102 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2104 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
2105 20662ea0 2021-04-10 stsp if (path_objects == NULL)
2106 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
2108 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
2109 20662ea0 2021-04-10 stsp struct dirent *dent;
2111 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2112 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2116 20662ea0 2021-04-10 stsp dir = opendir(path);
2117 20662ea0 2021-04-10 stsp if (dir == NULL) {
2118 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
2119 20662ea0 2021-04-10 stsp err = NULL;
2122 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
2126 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
2127 20662ea0 2021-04-10 stsp char *id_str;
2129 20662ea0 2021-04-10 stsp struct stat sb;
2131 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
2132 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
2135 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2136 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2137 20662ea0 2021-04-10 stsp goto done;
2140 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
2141 20662ea0 2021-04-10 stsp free(id_str);
2144 20662ea0 2021-04-10 stsp free(id_str);
2146 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
2148 20662ea0 2021-04-10 stsp goto done;
2150 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
2151 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
2152 20662ea0 2021-04-10 stsp close(fd);
2153 20662ea0 2021-04-10 stsp goto done;
2155 20662ea0 2021-04-10 stsp (*nobjects)++;
2156 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
2158 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
2159 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
2160 20662ea0 2021-04-10 stsp goto done;
2164 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
2165 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2166 20662ea0 2021-04-10 stsp goto done;
2168 20662ea0 2021-04-10 stsp dir = NULL;
2170 20662ea0 2021-04-10 stsp free(path);
2171 20662ea0 2021-04-10 stsp path = NULL;
2174 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
2175 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2177 20662ea0 2021-04-10 stsp if (err) {
2178 20662ea0 2021-04-10 stsp *nobjects = 0;
2179 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2181 20662ea0 2021-04-10 stsp free(path_objects);
2182 20662ea0 2021-04-10 stsp free(path);
2183 3ce1b845 2019-07-15 stsp return err;
2186 20662ea0 2021-04-10 stsp const struct got_error *
2187 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2188 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
2190 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
2191 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
2192 20662ea0 2021-04-10 stsp struct dirent *dent;
2193 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
2194 20662ea0 2021-04-10 stsp char *path_packidx;
2195 20662ea0 2021-04-10 stsp char *path_packfile;
2196 20662ea0 2021-04-10 stsp int packdir_fd;
2197 20662ea0 2021-04-10 stsp struct stat sb;
2199 20662ea0 2021-04-10 stsp *npackfiles = 0;
2200 20662ea0 2021-04-10 stsp *nobjects = 0;
2201 20662ea0 2021-04-10 stsp *total_packsize = 0;
2203 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
2204 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2205 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
2206 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
2207 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
2208 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
2211 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
2212 20662ea0 2021-04-10 stsp if (packdir == NULL) {
2213 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
2214 20662ea0 2021-04-10 stsp goto done;
2217 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
2218 1124fe40 2021-07-07 stsp if (!got_repo_is_packidx_filename(dent->d_name, dent->d_namlen))
2221 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2222 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
2223 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2224 20662ea0 2021-04-10 stsp goto done;
2227 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2228 20662ea0 2021-04-10 stsp path_packidx, 0);
2229 20662ea0 2021-04-10 stsp free(path_packidx);
2231 20662ea0 2021-04-10 stsp goto done;
2233 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
2234 20662ea0 2021-04-10 stsp goto done;
2235 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2237 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2238 aea75d87 2021-07-06 stsp packidx->path_packidx);
2240 20662ea0 2021-04-10 stsp goto done;
2242 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2243 20662ea0 2021-04-10 stsp 0) == -1) {
2244 20662ea0 2021-04-10 stsp free(path_packfile);
2245 20662ea0 2021-04-10 stsp goto done;
2247 20662ea0 2021-04-10 stsp free(path_packfile);
2248 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2250 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2252 20662ea0 2021-04-10 stsp (*npackfiles)++;
2254 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2255 20662ea0 2021-04-10 stsp packidx = NULL;
2258 20662ea0 2021-04-10 stsp if (packidx)
2259 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2260 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2261 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2262 20662ea0 2021-04-10 stsp if (err) {
2263 20662ea0 2021-04-10 stsp *npackfiles = 0;
2264 20662ea0 2021-04-10 stsp *nobjects = 0;
2265 20662ea0 2021-04-10 stsp *total_packsize = 0;
2267 20662ea0 2021-04-10 stsp return err;
2270 f8b19efd 2021-10-13 stsp RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2271 f8b19efd 2021-10-13 stsp got_packidx_bloom_filter_cmp);
