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1 7b19e0f1 2017-11-05 stsp /*
2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 7b19e0f1 2017-11-05 stsp *
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.
7 7b19e0f1 2017-11-05 stsp *
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.
15 7b19e0f1 2017-11-05 stsp */
16 7b19e0f1 2017-11-05 stsp
17 ad242220 2018-09-08 stsp #include <sys/types.h>
18 ad242220 2018-09-08 stsp #include <sys/uio.h>
19 aba9c984 2019-09-08 stsp #include <sys/socket.h>
20 deeca238 2018-03-12 stsp #include <sys/stat.h>
21 1510f469 2018-09-09 stsp #include <sys/mman.h>
22 6c414261 2021-03-30 stsp #include <sys/resource.h>
23 79b11c62 2018-03-09 stsp
24 e09a504c 2019-06-28 stsp #include <ctype.h>
25 1510f469 2018-09-09 stsp #include <fcntl.h>
26 3ce1b845 2019-07-15 stsp #include <fnmatch.h>
27 4027f31a 2017-11-04 stsp #include <limits.h>
28 1510f469 2018-09-09 stsp #include <dirent.h>
29 4027f31a 2017-11-04 stsp #include <stdlib.h>
30 4027f31a 2017-11-04 stsp #include <stdio.h>
31 4027f31a 2017-11-04 stsp #include <string.h>
32 303e14b5 2019-09-23 stsp #include <time.h>
33 81a12da5 2020-09-09 naddy #include <unistd.h>
34 79b11c62 2018-03-09 stsp #include <zlib.h>
35 85f51bba 2018-07-16 stsp #include <errno.h>
36 85f51bba 2018-07-16 stsp #include <libgen.h>
37 ad242220 2018-09-08 stsp #include <stdint.h>
38 c442a90d 2019-03-10 stsp #include <uuid.h>
39 4027f31a 2017-11-04 stsp
40 4545b700 2021-10-15 thomas #include "bloom.h"
41 dd038bc6 2021-09-21 thomas.ad
42 4027f31a 2017-11-04 stsp #include "got_error.h"
43 5261c201 2018-04-01 stsp #include "got_reference.h"
44 4027f31a 2017-11-04 stsp #include "got_repository.h"
45 1dd54920 2019-05-11 stsp #include "got_path.h"
46 e6209546 2019-08-22 stsp #include "got_cancel.h"
47 7bb0daa1 2018-06-21 stsp #include "got_object.h"
48 4027f31a 2017-11-04 stsp
49 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
50 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
51 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
52 3ce1b845 2019-07-15 stsp #include "got_lib_object_parse.h"
53 3ce1b845 2019-07-15 stsp #include "got_lib_object_create.h"
54 718b3ab0 2018-03-17 stsp #include "got_lib_pack.h"
55 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
56 e09a504c 2019-06-28 stsp #include "got_lib_sha1.h"
57 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
58 6bef87be 2018-09-11 stsp #include "got_lib_repository.h"
59 50b0790e 2020-09-11 stsp #include "got_lib_gotconfig.h"
60 c3f94f68 2017-11-05 stsp
61 79b11c62 2018-03-09 stsp #ifndef nitems
62 79b11c62 2018-03-09 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
63 79b11c62 2018-03-09 stsp #endif
64 0be8fa4c 2021-10-15 thomas
65 0be8fa4c 2021-10-15 thomas RB_PROTOTYPE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
66 0be8fa4c 2021-10-15 thomas got_packidx_bloom_filter_cmp);
67 4df642d9 2017-11-05 stsp
68 7839bc15 2019-01-06 stsp const char *
69 86c3caaf 2018-03-09 stsp got_repo_get_path(struct got_repository *repo)
70 86c3caaf 2018-03-09 stsp {
71 7839bc15 2019-01-06 stsp return repo->path;
72 86c3caaf 2018-03-09 stsp }
73 86c3caaf 2018-03-09 stsp
74 6e9da951 2019-01-06 stsp const char *
75 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
76 4027f31a 2017-11-04 stsp {
77 6e9da951 2019-01-06 stsp return repo->path_git_dir;
78 6d5a9006 2020-12-16 yzhong }
79 6d5a9006 2020-12-16 yzhong
80 6d5a9006 2020-12-16 yzhong int
81 6d5a9006 2020-12-16 yzhong got_repo_get_fd(struct got_repository *repo)
82 6d5a9006 2020-12-16 yzhong {
83 6d5a9006 2020-12-16 yzhong return repo->gitdir_fd;
84 04ca23f4 2018-07-16 stsp }
85 04ca23f4 2018-07-16 stsp
86 aba9c984 2019-09-08 stsp const char *
87 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_name(struct got_repository *repo)
88 aba9c984 2019-09-08 stsp {
89 aba9c984 2019-09-08 stsp return repo->gitconfig_author_name;
90 aba9c984 2019-09-08 stsp }
91 aba9c984 2019-09-08 stsp
92 aba9c984 2019-09-08 stsp const char *
93 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_email(struct got_repository *repo)
94 aba9c984 2019-09-08 stsp {
95 aba9c984 2019-09-08 stsp return repo->gitconfig_author_email;
96 c9956ddf 2019-09-08 stsp }
97 c9956ddf 2019-09-08 stsp
98 c9956ddf 2019-09-08 stsp const char *
99 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_name(struct got_repository *repo)
100 c9956ddf 2019-09-08 stsp {
101 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_name;
102 c9956ddf 2019-09-08 stsp }
103 c9956ddf 2019-09-08 stsp
104 c9956ddf 2019-09-08 stsp const char *
105 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_email(struct got_repository *repo)
106 c9956ddf 2019-09-08 stsp {
107 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_email;
108 9a1cc63f 2020-02-03 stsp }
109 9a1cc63f 2020-02-03 stsp
110 9a1cc63f 2020-02-03 stsp const char *
111 9a1cc63f 2020-02-03 stsp got_repo_get_gitconfig_owner(struct got_repository *repo)
112 9a1cc63f 2020-02-03 stsp {
113 9a1cc63f 2020-02-03 stsp return repo->gitconfig_owner;
114 9188bd78 2021-07-03 stsp }
115 9188bd78 2021-07-03 stsp
116 9188bd78 2021-07-03 stsp void
117 9188bd78 2021-07-03 stsp got_repo_get_gitconfig_extensions(char ***extensions, int *nextensions,
118 9188bd78 2021-07-03 stsp struct got_repository *repo)
119 9188bd78 2021-07-03 stsp {
120 9188bd78 2021-07-03 stsp *extensions = repo->extensions;
121 9188bd78 2021-07-03 stsp *nextensions = repo->nextensions;
122 aba9c984 2019-09-08 stsp }
123 aba9c984 2019-09-08 stsp
124 04ca23f4 2018-07-16 stsp int
125 04ca23f4 2018-07-16 stsp got_repo_is_bare(struct got_repository *repo)
126 04ca23f4 2018-07-16 stsp {
127 04ca23f4 2018-07-16 stsp return (strcmp(repo->path, repo->path_git_dir) == 0);
128 4027f31a 2017-11-04 stsp }
129 4027f31a 2017-11-04 stsp
130 4027f31a 2017-11-04 stsp static char *
131 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
132 4027f31a 2017-11-04 stsp {
133 4027f31a 2017-11-04 stsp char *path_child;
134 3168e5da 2020-09-10 stsp
135 4986b9d5 2018-03-12 stsp if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
136 4027f31a 2017-11-04 stsp basename) == -1)
137 4027f31a 2017-11-04 stsp return NULL;
138 4027f31a 2017-11-04 stsp
139 4027f31a 2017-11-04 stsp return path_child;
140 4027f31a 2017-11-04 stsp }
141 4027f31a 2017-11-04 stsp
142 11995603 2017-11-05 stsp char *
143 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
144 4027f31a 2017-11-04 stsp {
145 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
146 4027f31a 2017-11-04 stsp }
147 4027f31a 2017-11-04 stsp
148 11995603 2017-11-05 stsp char *
149 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
150 a1fd68d8 2018-01-12 stsp {
151 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
152 a1fd68d8 2018-01-12 stsp }
153 a1fd68d8 2018-01-12 stsp
154 a1fd68d8 2018-01-12 stsp char *
155 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
156 4027f31a 2017-11-04 stsp {
157 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
158 4027f31a 2017-11-04 stsp }
159 4027f31a 2017-11-04 stsp
160 fb79db15 2019-02-01 stsp char *
161 fb79db15 2019-02-01 stsp got_repo_get_path_packed_refs(struct got_repository *repo)
162 fb79db15 2019-02-01 stsp {
163 fb79db15 2019-02-01 stsp return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
164 fb79db15 2019-02-01 stsp }
165 fb79db15 2019-02-01 stsp
166 4027f31a 2017-11-04 stsp static char *
167 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
168 4027f31a 2017-11-04 stsp {
169 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
170 1d126e2d 2019-08-24 stsp }
171 1d126e2d 2019-08-24 stsp
172 b46f3e71 2020-03-18 stsp char *
173 b46f3e71 2020-03-18 stsp got_repo_get_path_gitconfig(struct got_repository *repo)
174 1d126e2d 2019-08-24 stsp {
175 b46f3e71 2020-03-18 stsp return get_path_git_child(repo, GOT_GITCONFIG);
176 cd95becd 2019-11-29 stsp }
177 cd95becd 2019-11-29 stsp
178 257add31 2020-09-09 stsp char *
179 257add31 2020-09-09 stsp got_repo_get_path_gotconfig(struct got_repository *repo)
180 257add31 2020-09-09 stsp {
181 50b0790e 2020-09-11 stsp return get_path_git_child(repo, GOT_GOTCONFIG_FILENAME);
182 257add31 2020-09-09 stsp }
183 257add31 2020-09-09 stsp
184 50b0790e 2020-09-11 stsp const struct got_gotconfig *
185 50b0790e 2020-09-11 stsp got_repo_get_gotconfig(struct got_repository *repo)
186 cd95becd 2019-11-29 stsp {
187 50b0790e 2020-09-11 stsp return repo->gotconfig;
188 4027f31a 2017-11-04 stsp }
189 4027f31a 2017-11-04 stsp
190 257add31 2020-09-09 stsp void
191 50b0790e 2020-09-11 stsp got_repo_get_gitconfig_remotes(int *nremotes,
192 50b0790e 2020-09-11 stsp const struct got_remote_repo **remotes, struct got_repository *repo)
193 257add31 2020-09-09 stsp {
194 50b0790e 2020-09-11 stsp *nremotes = repo->ngitconfig_remotes;
195 50b0790e 2020-09-11 stsp *remotes = repo->gitconfig_remotes;
196 257add31 2020-09-09 stsp }
197 257add31 2020-09-09 stsp
198 4027f31a 2017-11-04 stsp static int
199 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
200 4027f31a 2017-11-04 stsp {
201 6e9da951 2019-01-06 stsp const char *path_git = got_repo_get_path_git_dir(repo);
202 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
203 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
204 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
205 deeca238 2018-03-12 stsp int ret = 0;
206 deeca238 2018-03-12 stsp struct stat sb;
207 4847cca1 2018-03-12 stsp struct got_reference *head_ref;
208 4027f31a 2017-11-04 stsp
209 deeca238 2018-03-12 stsp if (lstat(path_git, &sb) == -1)
210 deeca238 2018-03-12 stsp goto done;
211 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
212 deeca238 2018-03-12 stsp goto done;
213 4027f31a 2017-11-04 stsp
214 deeca238 2018-03-12 stsp if (lstat(path_objects, &sb) == -1)
215 deeca238 2018-03-12 stsp goto done;
216 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
217 deeca238 2018-03-12 stsp goto done;
218 deeca238 2018-03-12 stsp
219 deeca238 2018-03-12 stsp if (lstat(path_refs, &sb) == -1)
220 deeca238 2018-03-12 stsp goto done;
221 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
222 deeca238 2018-03-12 stsp goto done;
223 deeca238 2018-03-12 stsp
224 deeca238 2018-03-12 stsp if (lstat(path_head, &sb) == -1)
225 deeca238 2018-03-12 stsp goto done;
226 deeca238 2018-03-12 stsp if (!S_ISREG(sb.st_mode))
227 deeca238 2018-03-12 stsp goto done;
228 4847cca1 2018-03-12 stsp
229 4847cca1 2018-03-12 stsp /* Check if the HEAD reference can be opened. */
230 2f17228e 2019-05-12 stsp if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
231 4847cca1 2018-03-12 stsp goto done;
232 4847cca1 2018-03-12 stsp got_ref_close(head_ref);
233 4847cca1 2018-03-12 stsp
234 deeca238 2018-03-12 stsp ret = 1;
235 deeca238 2018-03-12 stsp done:
236 4027f31a 2017-11-04 stsp free(path_objects);
237 4027f31a 2017-11-04 stsp free(path_refs);
238 4027f31a 2017-11-04 stsp free(path_head);
239 4027f31a 2017-11-04 stsp return ret;
240 4027f31a 2017-11-04 stsp
241 7bb0daa1 2018-06-21 stsp }
242 7bb0daa1 2018-06-21 stsp
243 f6be5c30 2018-06-22 stsp const struct got_error *
244 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
245 f6be5c30 2018-06-22 stsp struct got_object *obj)
246 f6be5c30 2018-06-22 stsp {
247 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
248 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
249 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
250 79c99a64 2019-05-23 stsp if (err) {
251 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
252 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
253 79c99a64 2019-05-23 stsp err = NULL;
254 f6be5c30 2018-06-22 stsp return err;
255 79c99a64 2019-05-23 stsp }
256 f6be5c30 2018-06-22 stsp obj->refcnt++;
257 ccfe88e6 2018-07-12 stsp #endif
258 f6be5c30 2018-06-22 stsp return NULL;
259 f6be5c30 2018-06-22 stsp }
260 f6be5c30 2018-06-22 stsp
261 7bb0daa1 2018-06-21 stsp struct got_object *
262 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
263 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
264 7bb0daa1 2018-06-21 stsp {
265 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
266 7bb0daa1 2018-06-21 stsp }
267 7bb0daa1 2018-06-21 stsp
268 4027f31a 2017-11-04 stsp const struct got_error *
269 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
270 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
271 f6be5c30 2018-06-22 stsp {
272 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
273 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
274 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
275 79c99a64 2019-05-23 stsp if (err) {
276 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
277 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
278 79c99a64 2019-05-23 stsp err = NULL;
279 f6be5c30 2018-06-22 stsp return err;
280 79c99a64 2019-05-23 stsp }
281 f6be5c30 2018-06-22 stsp tree->refcnt++;
282 ccfe88e6 2018-07-12 stsp #endif
283 f6be5c30 2018-06-22 stsp return NULL;
284 f6be5c30 2018-06-22 stsp }
285 f6be5c30 2018-06-22 stsp
286 f6be5c30 2018-06-22 stsp struct got_tree_object *
287 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
288 f6be5c30 2018-06-22 stsp struct got_object_id *id)
289 f6be5c30 2018-06-22 stsp {
290 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
291 6bef87be 2018-09-11 stsp &repo->treecache, id);
292 1943de01 2018-06-22 stsp }
293 1943de01 2018-06-22 stsp
294 1943de01 2018-06-22 stsp const struct got_error *
295 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
296 1943de01 2018-06-22 stsp struct got_commit_object *commit)
297 1943de01 2018-06-22 stsp {
298 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
299 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
300 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
301 79c99a64 2019-05-23 stsp if (err) {
302 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
303 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
304 79c99a64 2019-05-23 stsp err = NULL;
305 1943de01 2018-06-22 stsp return err;
306 79c99a64 2019-05-23 stsp }
307 1943de01 2018-06-22 stsp commit->refcnt++;
308 ccfe88e6 2018-07-12 stsp #endif
309 f6be5c30 2018-06-22 stsp return NULL;
310 f6be5c30 2018-06-22 stsp }
311 f6be5c30 2018-06-22 stsp
312 1943de01 2018-06-22 stsp struct got_commit_object *
313 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
314 1943de01 2018-06-22 stsp struct got_object_id *id)
315 1943de01 2018-06-22 stsp {
316 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
317 6bef87be 2018-09-11 stsp &repo->commitcache, id);
318 f4a881ce 2018-11-17 stsp }
319 f4a881ce 2018-11-17 stsp
320 f4a881ce 2018-11-17 stsp const struct got_error *
321 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
322 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
323 f4a881ce 2018-11-17 stsp {
324 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
325 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
326 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
327 79c99a64 2019-05-23 stsp if (err) {
328 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
329 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
330 79c99a64 2019-05-23 stsp err = NULL;
331 f4a881ce 2018-11-17 stsp return err;
332 79c99a64 2019-05-23 stsp }
333 f4a881ce 2018-11-17 stsp tag->refcnt++;
334 f4a881ce 2018-11-17 stsp #endif
335 f4a881ce 2018-11-17 stsp return NULL;
336 f4a881ce 2018-11-17 stsp }
337 f4a881ce 2018-11-17 stsp
338 f4a881ce 2018-11-17 stsp struct got_tag_object *
339 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
340 f4a881ce 2018-11-17 stsp {
341 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
342 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
343 8ab9215c 2021-10-15 thomas }
344 8ab9215c 2021-10-15 thomas
345 8ab9215c 2021-10-15 thomas const struct got_error *
346 8ab9215c 2021-10-15 thomas got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
347 8ab9215c 2021-10-15 thomas struct got_raw_object *raw)
348 8ab9215c 2021-10-15 thomas {
349 8ab9215c 2021-10-15 thomas #ifndef GOT_NO_OBJ_CACHE
350 8ab9215c 2021-10-15 thomas const struct got_error *err = NULL;
351 8ab9215c 2021-10-15 thomas err = got_object_cache_add(&repo->rawcache, id, raw);
352 8ab9215c 2021-10-15 thomas if (err) {
353 8ab9215c 2021-10-15 thomas if (err->code == GOT_ERR_OBJ_EXISTS ||
354 8ab9215c 2021-10-15 thomas err->code == GOT_ERR_OBJ_TOO_LARGE)
355 8ab9215c 2021-10-15 thomas err = NULL;
356 8ab9215c 2021-10-15 thomas return err;
357 8ab9215c 2021-10-15 thomas }
358 8ab9215c 2021-10-15 thomas raw->refcnt++;
359 8ab9215c 2021-10-15 thomas #endif
360 8ab9215c 2021-10-15 thomas return NULL;
361 1943de01 2018-06-22 stsp }
362 1943de01 2018-06-22 stsp
363 8ab9215c 2021-10-15 thomas
364 8ab9215c 2021-10-15 thomas struct got_raw_object *
365 8ab9215c 2021-10-15 thomas got_repo_get_cached_raw_object(struct got_repository *repo,
366 8ab9215c 2021-10-15 thomas struct got_object_id *id)
367 8ab9215c 2021-10-15 thomas {
368 8ab9215c 2021-10-15 thomas return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
369 8ab9215c 2021-10-15 thomas }
370 8ab9215c 2021-10-15 thomas
371 8ab9215c 2021-10-15 thomas
372 991ff1aa 2021-06-15 tracey static const struct got_error *
373 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
374 4027f31a 2017-11-04 stsp {
375 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
376 85f51bba 2018-07-16 stsp
377 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
378 6d5a9006 2020-12-16 yzhong
379 85f51bba 2018-07-16 stsp /* bare git repository? */
380 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
381 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
382 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
383 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
384 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
385 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
386 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
387 6d5a9006 2020-12-16 yzhong goto done;
388 6d5a9006 2020-12-16 yzhong }
389 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = open(repo->path_git_dir, O_DIRECTORY);
390 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
391 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
392 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
393 85f51bba 2018-07-16 stsp goto done;
394 85f51bba 2018-07-16 stsp }
395 85f51bba 2018-07-16 stsp return NULL;
396 85f51bba 2018-07-16 stsp }
397 85f51bba 2018-07-16 stsp
398 85f51bba 2018-07-16 stsp /* git repository with working tree? */
399 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
400 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
401 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
402 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
403 85f51bba 2018-07-16 stsp goto done;
404 85f51bba 2018-07-16 stsp }
405 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
406 85f51bba 2018-07-16 stsp repo->path = strdup(path);
407 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
408 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
409 85f51bba 2018-07-16 stsp goto done;
410 85f51bba 2018-07-16 stsp }
411 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = open(repo->path_git_dir, O_DIRECTORY);
412 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
413 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
414 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
415 6d5a9006 2020-12-16 yzhong goto done;
416 6d5a9006 2020-12-16 yzhong }
417 85f51bba 2018-07-16 stsp return NULL;
418 85f51bba 2018-07-16 stsp }
419 85f51bba 2018-07-16 stsp
420 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
421 ee645855 2019-02-05 stsp done:
422 85f51bba 2018-07-16 stsp if (err) {
423 ee645855 2019-02-05 stsp free(repo->path);
424 ee645855 2019-02-05 stsp repo->path = NULL;
425 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
426 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
427 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
428 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
429 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
430 6d5a9006 2020-12-16 yzhong
431 aba9c984 2019-09-08 stsp }
432 aba9c984 2019-09-08 stsp return err;
433 aba9c984 2019-09-08 stsp }
434 aba9c984 2019-09-08 stsp
435 aba9c984 2019-09-08 stsp static const struct got_error *
436 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
437 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
438 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
439 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
440 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
441 aba9c984 2019-09-08 stsp {
442 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
443 aba9c984 2019-09-08 stsp int fd = -1;
444 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
445 aba9c984 2019-09-08 stsp pid_t pid;
446 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
447 aba9c984 2019-09-08 stsp
448 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
449 20b7abb3 2020-10-22 stsp if (extensions)
450 20b7abb3 2020-10-22 stsp *extensions = NULL;
451 20b7abb3 2020-10-22 stsp if (nextensions)
452 20b7abb3 2020-10-22 stsp *nextensions = 0;
453 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
454 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
455 2fb669fb 2020-03-20 stsp if (remotes)
456 2fb669fb 2020-03-20 stsp *remotes = NULL;
457 2fb669fb 2020-03-20 stsp if (nremotes)
458 2fb669fb 2020-03-20 stsp *nremotes = 0;
459 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
460 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
461 aba9c984 2019-09-08 stsp
462 aba9c984 2019-09-08 stsp fd = open(gitconfig_path, O_RDONLY);
463 aba9c984 2019-09-08 stsp if (fd == -1) {
464 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
465 aba9c984 2019-09-08 stsp return NULL;
466 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
467 aba9c984 2019-09-08 stsp }
468 aba9c984 2019-09-08 stsp
469 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
470 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
471 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
472 aba9c984 2019-09-08 stsp goto done;
473 aba9c984 2019-09-08 stsp }
474 aba9c984 2019-09-08 stsp
475 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
476 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
477 aba9c984 2019-09-08 stsp goto done;
478 aba9c984 2019-09-08 stsp }
479 aba9c984 2019-09-08 stsp
480 aba9c984 2019-09-08 stsp pid = fork();
481 aba9c984 2019-09-08 stsp if (pid == -1) {
482 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
483 aba9c984 2019-09-08 stsp goto done;
484 aba9c984 2019-09-08 stsp } else if (pid == 0) {
485 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
486 c9956ddf 2019-09-08 stsp gitconfig_path);
487 aba9c984 2019-09-08 stsp /* not reached */
488 aba9c984 2019-09-08 stsp }
489 aba9c984 2019-09-08 stsp
490 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
491 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
492 aba9c984 2019-09-08 stsp goto done;
493 85f51bba 2018-07-16 stsp }
494 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
495 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
496 aba9c984 2019-09-08 stsp
497 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
498 aba9c984 2019-09-08 stsp if (err)
499 aba9c984 2019-09-08 stsp goto done;
500 aba9c984 2019-09-08 stsp fd = -1;
501 aba9c984 2019-09-08 stsp
502 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
503 aba9c984 2019-09-08 stsp if (err)
504 aba9c984 2019-09-08 stsp goto done;
505 aba9c984 2019-09-08 stsp
506 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
507 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
508 aba9c984 2019-09-08 stsp if (err)
509 aba9c984 2019-09-08 stsp goto done;
510 aba9c984 2019-09-08 stsp
511 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
512 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
513 20b7abb3 2020-10-22 stsp ibuf);
514 20b7abb3 2020-10-22 stsp if (err)
515 20b7abb3 2020-10-22 stsp goto done;
516 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
517 20b7abb3 2020-10-22 stsp if (err)
518 20b7abb3 2020-10-22 stsp goto done;
519 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
520 20b7abb3 2020-10-22 stsp int i;
521 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
522 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
523 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
524 20b7abb3 2020-10-22 stsp goto done;
525 20b7abb3 2020-10-22 stsp }
526 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
527 20b7abb3 2020-10-22 stsp char *ext;
528 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
529 20b7abb3 2020-10-22 stsp ibuf);
530 20b7abb3 2020-10-22 stsp if (err)
531 20b7abb3 2020-10-22 stsp goto done;
532 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
533 20b7abb3 2020-10-22 stsp }
534 20b7abb3 2020-10-22 stsp }
535 20b7abb3 2020-10-22 stsp }
536 20b7abb3 2020-10-22 stsp
537 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
538 aba9c984 2019-09-08 stsp if (err)
539 aba9c984 2019-09-08 stsp goto done;
540 aba9c984 2019-09-08 stsp
541 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
542 aba9c984 2019-09-08 stsp if (err)
543 aba9c984 2019-09-08 stsp goto done;
544 aba9c984 2019-09-08 stsp
545 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
546 aba9c984 2019-09-08 stsp if (err)
547 aba9c984 2019-09-08 stsp goto done;
548 aba9c984 2019-09-08 stsp
549 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
550 aba9c984 2019-09-08 stsp if (err)
551 aba9c984 2019-09-08 stsp goto done;
552 cd95becd 2019-11-29 stsp
553 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
554 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
555 cd95becd 2019-11-29 stsp if (err)
556 cd95becd 2019-11-29 stsp goto done;
557 cd95becd 2019-11-29 stsp
558 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
559 cd95becd 2019-11-29 stsp nremotes, ibuf);
560 9a1cc63f 2020-02-03 stsp if (err)
561 9a1cc63f 2020-02-03 stsp goto done;
562 9a1cc63f 2020-02-03 stsp }
563 9a1cc63f 2020-02-03 stsp
564 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
565 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
566 cd95becd 2019-11-29 stsp if (err)
567 cd95becd 2019-11-29 stsp goto done;
568 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
569 9a1cc63f 2020-02-03 stsp if (err)
570 9a1cc63f 2020-02-03 stsp goto done;
571 cd95becd 2019-11-29 stsp }
572 aba9c984 2019-09-08 stsp
573 aba9c984 2019-09-08 stsp imsg_clear(ibuf);
574 aba9c984 2019-09-08 stsp err = got_privsep_send_stop(imsg_fds[0]);
575 aba9c984 2019-09-08 stsp child_err = got_privsep_wait_for_child(pid);
576 aba9c984 2019-09-08 stsp if (child_err && err == NULL)
577 aba9c984 2019-09-08 stsp err = child_err;
578 aba9c984 2019-09-08 stsp done:
579 aba9c984 2019-09-08 stsp if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
580 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
581 aba9c984 2019-09-08 stsp if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
582 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
583 aba9c984 2019-09-08 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
584 aba9c984 2019-09-08 stsp err = got_error_from_errno2("close", gitconfig_path);
585 aba9c984 2019-09-08 stsp free(ibuf);
586 c9956ddf 2019-09-08 stsp return err;
587 c9956ddf 2019-09-08 stsp }
588 c9956ddf 2019-09-08 stsp
589 c9956ddf 2019-09-08 stsp static const struct got_error *
590 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
591 c9956ddf 2019-09-08 stsp {
592 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
593 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
594 c9956ddf 2019-09-08 stsp
595 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
596 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
597 c9956ddf 2019-09-08 stsp int dummy_repo_version;
598 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&dummy_repo_version,
599 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
600 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
601 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
602 c9956ddf 2019-09-08 stsp if (err)
603 c9956ddf 2019-09-08 stsp return err;
604 c9956ddf 2019-09-08 stsp }
605 c9956ddf 2019-09-08 stsp
606 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
607 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
608 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
609 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
610 c9956ddf 2019-09-08 stsp
611 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&repo->gitconfig_repository_format_version,
612 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
613 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
614 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
615 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
616 c9956ddf 2019-09-08 stsp if (err)
617 c9956ddf 2019-09-08 stsp goto done;
618 c9956ddf 2019-09-08 stsp done:
619 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
620 257add31 2020-09-09 stsp return err;
621 257add31 2020-09-09 stsp }
622 257add31 2020-09-09 stsp
623 257add31 2020-09-09 stsp static const struct got_error *
624 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
625 257add31 2020-09-09 stsp {
626 257add31 2020-09-09 stsp const struct got_error *err = NULL;
627 257add31 2020-09-09 stsp char *gotconfig_path;
628 257add31 2020-09-09 stsp
629 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
630 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
631 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
632 257add31 2020-09-09 stsp
633 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
634 257add31 2020-09-09 stsp free(gotconfig_path);
635 85f51bba 2018-07-16 stsp return err;
636 85f51bba 2018-07-16 stsp }
637 85f51bba 2018-07-16 stsp
638 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
639 20b7abb3 2020-10-22 stsp static const char *repo_extensions[] = {
640 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
641 2252c019 2021-07-03 stsp "preciousObjects", /* Supported by gotadmin cleanup. */
642 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
643 20b7abb3 2020-10-22 stsp };
644 20b7abb3 2020-10-22 stsp
645 85f51bba 2018-07-16 stsp const struct got_error *
646 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
647 c9956ddf 2019-09-08 stsp const char *global_gitconfig_path)
648 85f51bba 2018-07-16 stsp {
649 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
650 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
651 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
652 16aeacf7 2020-11-26 stsp size_t i;
653 6c414261 2021-03-30 stsp struct rlimit rl;
654 4027f31a 2017-11-04 stsp
655 85f51bba 2018-07-16 stsp *repop = NULL;
656 6c414261 2021-03-30 stsp
657 6c414261 2021-03-30 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
658 6c414261 2021-03-30 stsp return got_error_from_errno("getrlimit");
659 4027f31a 2017-11-04 stsp
660 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
661 92af5469 2017-11-05 stsp if (repo == NULL) {
662 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
663 92af5469 2017-11-05 stsp goto done;
664 92af5469 2017-11-05 stsp }
665 4545b700 2021-10-15 thomas
666 cfe41121 2021-10-16 thomas RB_INIT(&repo->packidx_bloom_filters);
667 4027f31a 2017-11-04 stsp
668 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
669 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
670 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
671 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
672 ad242220 2018-09-08 stsp }
673 ad242220 2018-09-08 stsp
674 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
675 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
676 6bef87be 2018-09-11 stsp if (err)
677 f6be5c30 2018-06-22 stsp goto done;
678 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
679 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
680 6bef87be 2018-09-11 stsp if (err)
681 1943de01 2018-06-22 stsp goto done;
682 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
683 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
684 6bef87be 2018-09-11 stsp if (err)
685 eb77ee11 2018-07-08 stsp goto done;
686 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
687 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
688 f4a881ce 2018-11-17 stsp if (err)
689 f4a881ce 2018-11-17 stsp goto done;
690 8ab9215c 2021-10-15 thomas err = got_object_cache_init(&repo->rawcache,
691 8ab9215c 2021-10-15 thomas GOT_OBJECT_CACHE_TYPE_RAW);
692 8ab9215c 2021-10-15 thomas if (err)
693 8ab9215c 2021-10-15 thomas goto done;
694 1943de01 2018-06-22 stsp
695 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
696 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
697 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
698 6c414261 2021-03-30 stsp
699 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
700 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
701 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
702 92af5469 2017-11-05 stsp goto done;
703 92af5469 2017-11-05 stsp }
704 4027f31a 2017-11-04 stsp
705 aff6eea4 2020-10-20 stsp for (;;) {
706 aff6eea4 2020-10-20 stsp char *parent_path;
707 aff6eea4 2020-10-20 stsp
708 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
709 85f51bba 2018-07-16 stsp if (err == NULL)
710 85f51bba 2018-07-16 stsp break;
711 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
712 9aceaadf 2020-10-20 stsp goto done;
713 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
714 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
715 0c93d204 2020-10-20 stsp goto done;
716 442a3ddc 2018-04-23 stsp }
717 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
718 aff6eea4 2020-10-20 stsp if (err)
719 f2db9c47 2019-08-24 stsp goto done;
720 aff6eea4 2020-10-20 stsp free(repo_path);
721 aff6eea4 2020-10-20 stsp repo_path = parent_path;
722 aff6eea4 2020-10-20 stsp }
723 1d126e2d 2019-08-24 stsp
724 257add31 2020-09-09 stsp err = read_gotconfig(repo);
725 257add31 2020-09-09 stsp if (err)
726 257add31 2020-09-09 stsp goto done;
727 257add31 2020-09-09 stsp
728 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
729 1d126e2d 2019-08-24 stsp if (err)
730 1d126e2d 2019-08-24 stsp goto done;
731 aba9c984 2019-09-08 stsp if (repo->gitconfig_repository_format_version != 0)
732 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
733 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
734 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
735 20b7abb3 2020-10-22 stsp int j, supported = 0;
736 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
737 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
738 20b7abb3 2020-10-22 stsp supported = 1;
739 20b7abb3 2020-10-22 stsp break;
740 20b7abb3 2020-10-22 stsp }
741 20b7abb3 2020-10-22 stsp }
742 20b7abb3 2020-10-22 stsp if (!supported) {
743 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
744 20b7abb3 2020-10-22 stsp goto done;
745 20b7abb3 2020-10-22 stsp }
746 20b7abb3 2020-10-22 stsp }
747 92af5469 2017-11-05 stsp done:
748 92af5469 2017-11-05 stsp if (err)
749 5c2f5761 2018-09-19 stsp got_repo_close(repo);
750 85f51bba 2018-07-16 stsp else
751 85f51bba 2018-07-16 stsp *repop = repo;
752 aff6eea4 2020-10-20 stsp free(repo_path);
753 92af5469 2017-11-05 stsp return err;
754 4027f31a 2017-11-04 stsp }
755 4027f31a 2017-11-04 stsp
756 ad242220 2018-09-08 stsp const struct got_error *
757 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
758 4027f31a 2017-11-04 stsp {
759 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
760 0be8fa4c 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
761 16aeacf7 2020-11-26 stsp size_t i;
762 79b11c62 2018-03-09 stsp
763 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
764 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
765 79b11c62 2018-03-09 stsp break;
766 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
767 4545b700 2021-10-15 thomas }
768 4545b700 2021-10-15 thomas
769 cfe41121 2021-10-16 thomas while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
770 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters))) {
771 cfe41121 2021-10-16 thomas RB_REMOVE(got_packidx_bloom_filter_tree,
772 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
773 4545b700 2021-10-15 thomas free(bf->bloom);
774 4545b700 2021-10-15 thomas free(bf);
775 79b11c62 2018-03-09 stsp }
776 bd1223b9 2018-03-14 stsp
777 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
778 7e656b93 2018-03-17 stsp if (repo->packs[i].path_packfile == NULL)
779 7e656b93 2018-03-17 stsp break;
780 7e656b93 2018-03-17 stsp got_pack_close(&repo->packs[i]);
781 7e656b93 2018-03-17 stsp }
782 7e656b93 2018-03-17 stsp
783 4027f31a 2017-11-04 stsp free(repo->path);
784 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
785 cd717821 2018-06-22 stsp
786 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
787 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
788 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
789 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
790 8ab9215c 2021-10-15 thomas got_object_cache_close(&repo->rawcache);
791 ad242220 2018-09-08 stsp
792 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
793 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
794 ad242220 2018-09-08 stsp continue;
795 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
796 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
797 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
798 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
799 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
800 ad242220 2018-09-08 stsp if (child_err && err == NULL)
801 ad242220 2018-09-08 stsp err = child_err;
802 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
803 3a6ce05a 2019-02-11 stsp err == NULL)
804 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
805 ad242220 2018-09-08 stsp }
806 aba9c984 2019-09-08 stsp
807 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
808 1d0f4054 2021-06-17 stsp err == NULL)
809 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
810 991ff1aa 2021-06-15 tracey
811 50b0790e 2020-09-11 stsp if (repo->gotconfig)
812 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
813 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
814 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
815 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
816 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
817 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
818 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
819 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
820 20b7abb3 2020-10-22 stsp free(repo->extensions);
821 4027f31a 2017-11-04 stsp free(repo);
822 ad242220 2018-09-08 stsp
823 ad242220 2018-09-08 stsp return err;
824 b8adfa55 2020-09-25 stsp }
825 b8adfa55 2020-09-25 stsp
826 b8adfa55 2020-09-25 stsp void
827 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
828 b8adfa55 2020-09-25 stsp {
829 b8adfa55 2020-09-25 stsp int i;
830 b8adfa55 2020-09-25 stsp
831 b8adfa55 2020-09-25 stsp free(repo->name);
832 b8adfa55 2020-09-25 stsp repo->name = NULL;
833 6480c871 2021-08-30 stsp free(repo->fetch_url);
834 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
835 6480c871 2021-08-30 stsp free(repo->send_url);
836 6480c871 2021-08-30 stsp repo->send_url = NULL;
837 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
838 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
839 6480c871 2021-08-30 stsp free(repo->fetch_branches);
840 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
841 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
842 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
843 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
844 6480c871 2021-08-30 stsp free(repo->send_branches);
845 6480c871 2021-08-30 stsp repo->send_branches = NULL;
846 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
847 4027f31a 2017-11-04 stsp }
848 04ca23f4 2018-07-16 stsp
849 04ca23f4 2018-07-16 stsp const struct got_error *
850 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
851 8fa913ec 2020-11-14 stsp const char *input_path)
852 04ca23f4 2018-07-16 stsp {
853 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
854 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
855 e83c0634 2020-01-27 stsp size_t repolen, len;
856 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
857 04ca23f4 2018-07-16 stsp
858 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
859 04ca23f4 2018-07-16 stsp
860 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
861 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
862 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
863 04ca23f4 2018-07-16 stsp goto done;
864 04ca23f4 2018-07-16 stsp }
865 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
866 04ca23f4 2018-07-16 stsp if (err)
867 04ca23f4 2018-07-16 stsp goto done;
868 04ca23f4 2018-07-16 stsp
869 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
870 04ca23f4 2018-07-16 stsp
871 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
872 23721109 2018-10-22 stsp path = strdup(canonpath);
873 b70703ad 2019-03-18 stsp if (path == NULL) {
874 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
875 04ca23f4 2018-07-16 stsp goto done;
876 04ca23f4 2018-07-16 stsp }
877 04ca23f4 2018-07-16 stsp } else {
878 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
879 04ca23f4 2018-07-16 stsp if (path == NULL) {
880 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
881 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
882 230a42bd 2019-05-11 jcs canonpath);
883 b70703ad 2019-03-18 stsp goto done;
884 b70703ad 2019-03-18 stsp }
885 b70703ad 2019-03-18 stsp /*
886 b70703ad 2019-03-18 stsp * Path is not on disk.
887 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
888 b70703ad 2019-03-18 stsp */
889 b70703ad 2019-03-18 stsp path = strdup(canonpath);
890 b70703ad 2019-03-18 stsp if (path == NULL) {
891 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
892 b70703ad 2019-03-18 stsp goto done;
893 b70703ad 2019-03-18 stsp }
894 04ca23f4 2018-07-16 stsp }
895 04ca23f4 2018-07-16 stsp
896 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
897 04ca23f4 2018-07-16 stsp len = strlen(path);
898 04ca23f4 2018-07-16 stsp
899 04ca23f4 2018-07-16 stsp
900 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
901 04ca23f4 2018-07-16 stsp free(path);
902 04ca23f4 2018-07-16 stsp path = strdup("");
903 04ca23f4 2018-07-16 stsp if (path == NULL) {
904 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
905 04ca23f4 2018-07-16 stsp goto done;
906 04ca23f4 2018-07-16 stsp }
907 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
908 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
909 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
910 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
911 04ca23f4 2018-07-16 stsp /*
912 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
913 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
914 04ca23f4 2018-07-16 stsp */
915 abc59930 2021-09-05 naddy free(path);
916 abc59930 2021-09-05 naddy path = canonpath;
917 abc59930 2021-09-05 naddy canonpath = NULL;
918 04ca23f4 2018-07-16 stsp } else {
919 04ca23f4 2018-07-16 stsp char *child;
920 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
921 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
922 04ca23f4 2018-07-16 stsp repo_abspath, path);
923 04ca23f4 2018-07-16 stsp if (err)
924 04ca23f4 2018-07-16 stsp goto done;
925 04ca23f4 2018-07-16 stsp free(path);
926 04ca23f4 2018-07-16 stsp path = child;
927 04ca23f4 2018-07-16 stsp }
928 04ca23f4 2018-07-16 stsp } else {
929 04ca23f4 2018-07-16 stsp /*
930 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
931 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
932 04ca23f4 2018-07-16 stsp */
933 abc59930 2021-09-05 naddy free(path);
934 abc59930 2021-09-05 naddy path = canonpath;
935 abc59930 2021-09-05 naddy canonpath = NULL;
936 04ca23f4 2018-07-16 stsp }
937 04ca23f4 2018-07-16 stsp }
938 04ca23f4 2018-07-16 stsp
939 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
940 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
941 04ca23f4 2018-07-16 stsp char *abspath;
942 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
943 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
944 04ca23f4 2018-07-16 stsp goto done;
945 04ca23f4 2018-07-16 stsp }
946 04ca23f4 2018-07-16 stsp free(path);
947 04ca23f4 2018-07-16 stsp path = abspath;
948 04ca23f4 2018-07-16 stsp }
949 04ca23f4 2018-07-16 stsp
950 04ca23f4 2018-07-16 stsp done:
951 04ca23f4 2018-07-16 stsp free(canonpath);
952 04ca23f4 2018-07-16 stsp if (err)
953 04ca23f4 2018-07-16 stsp free(path);
954 04ca23f4 2018-07-16 stsp else
955 04ca23f4 2018-07-16 stsp *in_repo_path = path;
956 1510f469 2018-09-09 stsp return err;
957 1510f469 2018-09-09 stsp }
958 1510f469 2018-09-09 stsp
959 e1a68182 2020-01-07 stsp static const struct got_error *
960 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
961 e1a68182 2020-01-07 stsp const char *path_packidx)
962 1510f469 2018-09-09 stsp {
963 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
964 16aeacf7 2020-11-26 stsp size_t i;
965 1510f469 2018-09-09 stsp
966 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
967 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
968 1510f469 2018-09-09 stsp break;
969 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
970 e1a68182 2020-01-07 stsp path_packidx) == 0) {
971 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
972 e1a68182 2020-01-07 stsp }
973 1510f469 2018-09-09 stsp }
974 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
975 3333aec6 2021-10-15 thomas i = repo->pack_cache_size - 1;
976 3333aec6 2021-10-15 thomas err = got_packidx_close(repo->packidx_cache[i]);
977 1510f469 2018-09-09 stsp if (err)
978 1510f469 2018-09-09 stsp return err;
979 1510f469 2018-09-09 stsp }
980 1510f469 2018-09-09 stsp
981 3333aec6 2021-10-15 thomas repo->packidx_cache[i] = packidx;
982 15fe583f 2018-11-05 stsp
983 1510f469 2018-09-09 stsp return NULL;
984 1510f469 2018-09-09 stsp }
985 1510f469 2018-09-09 stsp
986 1124fe40 2021-07-07 stsp int
987 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
988 1510f469 2018-09-09 stsp {
989 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
990 1510f469 2018-09-09 stsp return 0;
991 1510f469 2018-09-09 stsp
992 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
993 1510f469 2018-09-09 stsp return 0;
994 1510f469 2018-09-09 stsp
995 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
996 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
997 1510f469 2018-09-09 stsp return 0;
998 4545b700 2021-10-15 thomas
999 4545b700 2021-10-15 thomas return 1;
1000 0be8fa4c 2021-10-15 thomas }
1001 0be8fa4c 2021-10-15 thomas
1002 cfe41121 2021-10-16 thomas static struct got_packidx_bloom_filter *
1003 cfe41121 2021-10-16 thomas get_packidx_bloom_filter(struct got_repository *repo,
1004 cfe41121 2021-10-16 thomas const char *path, size_t path_len)
1005 cfe41121 2021-10-16 thomas {
1006 cfe41121 2021-10-16 thomas struct got_packidx_bloom_filter key;
1007 cfe41121 2021-10-16 thomas
1008 cfe41121 2021-10-16 thomas if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
1009 cfe41121 2021-10-16 thomas return NULL; /* XXX */
1010 cfe41121 2021-10-16 thomas key.path_len = path_len;
1011 cfe41121 2021-10-16 thomas
1012 cfe41121 2021-10-16 thomas return RB_FIND(got_packidx_bloom_filter_tree,
1013 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, &key);
1014 cfe41121 2021-10-16 thomas }
1015 cfe41121 2021-10-16 thomas
1016 4545b700 2021-10-15 thomas static int
1017 4545b700 2021-10-15 thomas check_packidx_bloom_filter(struct got_repository *repo,
1018 4545b700 2021-10-15 thomas const char *path_packidx, struct got_object_id *id)
1019 4545b700 2021-10-15 thomas {
1020 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1021 4545b700 2021-10-15 thomas
1022 cfe41121 2021-10-16 thomas bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
1023 cfe41121 2021-10-16 thomas if (bf)
1024 cfe41121 2021-10-16 thomas return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
1025 1510f469 2018-09-09 stsp
1026 4545b700 2021-10-15 thomas /* No bloom filter means this pack index must be searched. */
1027 1510f469 2018-09-09 stsp return 1;
1028 4545b700 2021-10-15 thomas }
1029 4545b700 2021-10-15 thomas
1030 4545b700 2021-10-15 thomas static const struct got_error *
1031 4545b700 2021-10-15 thomas add_packidx_bloom_filter(struct got_repository *repo,
1032 4545b700 2021-10-15 thomas struct got_packidx *packidx, const char *path_packidx)
1033 4545b700 2021-10-15 thomas {
1034 4545b700 2021-10-15 thomas int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1035 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1036 4545b700 2021-10-15 thomas size_t len;
1037 4545b700 2021-10-15 thomas
1038 4545b700 2021-10-15 thomas /*
1039 4545b700 2021-10-15 thomas * Don't use bloom filters for very large pack index files.
1040 4545b700 2021-10-15 thomas * Large pack files will contain a relatively large fraction
1041 4545b700 2021-10-15 thomas * of our objects so we will likely need to visit them anyway.
1042 4545b700 2021-10-15 thomas * The more objects a pack file contains the higher the probability
1043 4545b700 2021-10-15 thomas * of a false-positive match from the bloom filter. And reading
1044 4545b700 2021-10-15 thomas * all object IDs from a large pack index file can be expensive.
1045 4545b700 2021-10-15 thomas */
1046 4545b700 2021-10-15 thomas if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1047 4545b700 2021-10-15 thomas return NULL;
1048 4545b700 2021-10-15 thomas
1049 4545b700 2021-10-15 thomas /* Do we already have a filter for this pack index? */
1050 cfe41121 2021-10-16 thomas if (get_packidx_bloom_filter(repo, path_packidx,
1051 cfe41121 2021-10-16 thomas strlen(path_packidx)) != NULL)
1052 cfe41121 2021-10-16 thomas return NULL;
1053 4545b700 2021-10-15 thomas
1054 4545b700 2021-10-15 thomas bf = calloc(1, sizeof(*bf));
1055 4545b700 2021-10-15 thomas if (bf == NULL)
1056 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1057 4545b700 2021-10-15 thomas bf->bloom = calloc(1, sizeof(*bf->bloom));
1058 4545b700 2021-10-15 thomas if (bf->bloom == NULL) {
1059 4545b700 2021-10-15 thomas free(bf);
1060 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1061 4545b700 2021-10-15 thomas }
1062 4545b700 2021-10-15 thomas
1063 cfe41121 2021-10-16 thomas len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1064 cfe41121 2021-10-16 thomas if (len >= sizeof(bf->path)) {
1065 4545b700 2021-10-15 thomas free(bf->bloom);
1066 4545b700 2021-10-15 thomas free(bf);
1067 4545b700 2021-10-15 thomas return got_error(GOT_ERR_NO_SPACE);
1068 4545b700 2021-10-15 thomas }
1069 cfe41121 2021-10-16 thomas bf->path_len = len;
1070 4545b700 2021-10-15 thomas
1071 4545b700 2021-10-15 thomas /* Minimum size supported by our bloom filter is 1000 entries. */
1072 4545b700 2021-10-15 thomas bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1073 4545b700 2021-10-15 thomas for (i = 0; i < nobjects; i++) {
1074 4545b700 2021-10-15 thomas struct got_packidx_object_id *id;
1075 4545b700 2021-10-15 thomas id = &packidx->hdr.sorted_ids[i];
1076 4545b700 2021-10-15 thomas bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1077 4545b700 2021-10-15 thomas }
1078 4545b700 2021-10-15 thomas
1079 cfe41121 2021-10-16 thomas RB_INSERT(got_packidx_bloom_filter_tree,
1080 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
1081 4545b700 2021-10-15 thomas return NULL;
1082 1510f469 2018-09-09 stsp }
1083 1510f469 2018-09-09 stsp
1084 1510f469 2018-09-09 stsp const struct got_error *
1085 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1086 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
1087 1510f469 2018-09-09 stsp {
1088 1510f469 2018-09-09 stsp const struct got_error *err;
1089 6d5a9006 2020-12-16 yzhong DIR *packdir = NULL;
1090 1510f469 2018-09-09 stsp struct dirent *dent;
1091 1510f469 2018-09-09 stsp char *path_packidx;
1092 16aeacf7 2020-11-26 stsp size_t i;
1093 6d5a9006 2020-12-16 yzhong int packdir_fd;
1094 1510f469 2018-09-09 stsp
1095 1510f469 2018-09-09 stsp /* Search pack index cache. */
1096 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1097 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1098 1510f469 2018-09-09 stsp break;
1099 4545b700 2021-10-15 thomas if (!check_packidx_bloom_filter(repo,
1100 4545b700 2021-10-15 thomas repo->packidx_cache[i]->path_packidx, id))
1101 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1102 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1103 1510f469 2018-09-09 stsp if (*idx != -1) {
1104 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
1105 87c1ed2b 2020-01-07 stsp /*
1106 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
1107 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
1108 87c1ed2b 2020-01-07 stsp */
1109 87c1ed2b 2020-01-07 stsp if (i > 0) {
1110 3333aec6 2021-10-15 thomas memmove(&repo->packidx_cache[1],
1111 3333aec6 2021-10-15 thomas &repo->packidx_cache[0],
1112 3333aec6 2021-10-15 thomas i * sizeof(repo->packidx_cache[0]));
1113 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
1114 87c1ed2b 2020-01-07 stsp }
1115 1510f469 2018-09-09 stsp return NULL;
1116 1510f469 2018-09-09 stsp }
1117 1510f469 2018-09-09 stsp }
1118 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
1119 1510f469 2018-09-09 stsp
1120 6d5a9006 2020-12-16 yzhong packdir_fd = openat(got_repo_get_fd(repo),
1121 6d5a9006 2020-12-16 yzhong GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
1122 6d5a9006 2020-12-16 yzhong if (packdir_fd == -1) {
1123 b90deaa1 2019-07-27 stsp if (errno == ENOENT)
1124 b90deaa1 2019-07-27 stsp err = got_error_no_obj(id);
1125 b90deaa1 2019-07-27 stsp else
1126 6d5a9006 2020-12-16 yzhong err = got_error_from_errno_fmt("openat: %s/%s",
1127 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo),
1128 6d5a9006 2020-12-16 yzhong GOT_OBJECTS_PACK_DIR);
1129 1510f469 2018-09-09 stsp goto done;
1130 1510f469 2018-09-09 stsp }
1131 1510f469 2018-09-09 stsp
1132 6d5a9006 2020-12-16 yzhong packdir = fdopendir(packdir_fd);
1133 6d5a9006 2020-12-16 yzhong if (packdir == NULL) {
1134 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("fdopendir");
1135 6d5a9006 2020-12-16 yzhong goto done;
1136 6d5a9006 2020-12-16 yzhong }
1137 6d5a9006 2020-12-16 yzhong
1138 1510f469 2018-09-09 stsp while ((dent = readdir(packdir)) != NULL) {
1139 e1a68182 2020-01-07 stsp int is_cached = 0;
1140 e1a68182 2020-01-07 stsp
1141 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
1142 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
1143 1510f469 2018-09-09 stsp continue;
1144 1510f469 2018-09-09 stsp
1145 6d5a9006 2020-12-16 yzhong if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1146 1510f469 2018-09-09 stsp dent->d_name) == -1) {
1147 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1148 1510f469 2018-09-09 stsp goto done;
1149 e1a68182 2020-01-07 stsp }
1150 e1a68182 2020-01-07 stsp
1151 4545b700 2021-10-15 thomas if (!check_packidx_bloom_filter(repo, path_packidx, id)) {
1152 4545b700 2021-10-15 thomas free(path_packidx);
1153 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1154 4545b700 2021-10-15 thomas }
1155 4545b700 2021-10-15 thomas
1156 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1157 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1158 e1a68182 2020-01-07 stsp break;
1159 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1160 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1161 e1a68182 2020-01-07 stsp is_cached = 1;
1162 e1a68182 2020-01-07 stsp break;
1163 e1a68182 2020-01-07 stsp }
1164 1510f469 2018-09-09 stsp }
1165 e1a68182 2020-01-07 stsp if (is_cached) {
1166 e1a68182 2020-01-07 stsp free(path_packidx);
1167 e1a68182 2020-01-07 stsp continue; /* already searched */
1168 e1a68182 2020-01-07 stsp }
1169 1510f469 2018-09-09 stsp
1170 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1171 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1172 e1a68182 2020-01-07 stsp if (err) {
1173 e1a68182 2020-01-07 stsp free(path_packidx);
1174 e1a68182 2020-01-07 stsp goto done;
1175 e1a68182 2020-01-07 stsp }
1176 e1a68182 2020-01-07 stsp
1177 4545b700 2021-10-15 thomas err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1178 4545b700 2021-10-15 thomas if (err) {
1179 4545b700 2021-10-15 thomas free(path_packidx);
1180 4545b700 2021-10-15 thomas goto done;
1181 4545b700 2021-10-15 thomas }
1182 4545b700 2021-10-15 thomas
1183 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1184 1510f469 2018-09-09 stsp free(path_packidx);
1185 1510f469 2018-09-09 stsp if (err)
1186 1510f469 2018-09-09 stsp goto done;
1187 1510f469 2018-09-09 stsp
1188 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1189 1510f469 2018-09-09 stsp if (*idx != -1) {
1190 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1191 1510f469 2018-09-09 stsp goto done;
1192 1510f469 2018-09-09 stsp }
1193 1510f469 2018-09-09 stsp }
1194 1510f469 2018-09-09 stsp
1195 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1196 1510f469 2018-09-09 stsp done:
1197 d69bcdf7 2019-06-28 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1198 638f9024 2019-05-13 stsp err = got_error_from_errno("closedir");
1199 04ca23f4 2018-07-16 stsp return err;
1200 04ca23f4 2018-07-16 stsp }
1201 1510f469 2018-09-09 stsp
1202 1510f469 2018-09-09 stsp static const struct got_error *
1203 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1204 1510f469 2018-09-09 stsp {
1205 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1206 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1207 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1208 1510f469 2018-09-09 stsp ssize_t n;
1209 1510f469 2018-09-09 stsp
1210 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1211 1510f469 2018-09-09 stsp if (n < 0)
1212 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1213 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1214 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1215 1510f469 2018-09-09 stsp
1216 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1217 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1218 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1219 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1220 1510f469 2018-09-09 stsp
1221 1510f469 2018-09-09 stsp return err;
1222 1510f469 2018-09-09 stsp }
1223 1510f469 2018-09-09 stsp
1224 1510f469 2018-09-09 stsp static const struct got_error *
1225 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1226 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1227 1510f469 2018-09-09 stsp {
1228 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1229 1510f469 2018-09-09 stsp
1230 6d5a9006 2020-12-16 yzhong *fd = openat(got_repo_get_fd(repo), relpath, O_RDONLY | O_NOFOLLOW);
1231 1510f469 2018-09-09 stsp if (*fd == -1)
1232 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1233 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1234 1510f469 2018-09-09 stsp
1235 1510f469 2018-09-09 stsp if (packidx) {
1236 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1237 1510f469 2018-09-09 stsp if (err) {
1238 1510f469 2018-09-09 stsp close(*fd);
1239 1510f469 2018-09-09 stsp *fd = -1;
1240 1510f469 2018-09-09 stsp }
1241 1510f469 2018-09-09 stsp }
1242 1510f469 2018-09-09 stsp
1243 1510f469 2018-09-09 stsp return err;
1244 1510f469 2018-09-09 stsp }
1245 1510f469 2018-09-09 stsp
1246 1510f469 2018-09-09 stsp const struct got_error *
1247 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1248 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1249 1510f469 2018-09-09 stsp {
1250 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1251 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1252 ff563a3d 2019-05-23 stsp struct stat sb;
1253 16aeacf7 2020-11-26 stsp size_t i;
1254 1510f469 2018-09-09 stsp
1255 1510f469 2018-09-09 stsp if (packp)
1256 1510f469 2018-09-09 stsp *packp = NULL;
1257 1510f469 2018-09-09 stsp
1258 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1259 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1260 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1261 1510f469 2018-09-09 stsp break;
1262 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1263 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1264 1510f469 2018-09-09 stsp }
1265 1510f469 2018-09-09 stsp
1266 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1267 1510f469 2018-09-09 stsp err = got_pack_close(&repo->packs[i - 1]);
1268 1510f469 2018-09-09 stsp if (err)
1269 1510f469 2018-09-09 stsp return err;
1270 1510f469 2018-09-09 stsp memmove(&repo->packs[1], &repo->packs[0],
1271 1510f469 2018-09-09 stsp sizeof(repo->packs) - sizeof(repo->packs[0]));
1272 1510f469 2018-09-09 stsp i = 0;
1273 1510f469 2018-09-09 stsp }
1274 1510f469 2018-09-09 stsp
1275 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1276 1510f469 2018-09-09 stsp
1277 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1278 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1279 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1280 1510f469 2018-09-09 stsp goto done;
1281 1510f469 2018-09-09 stsp }
1282 1510f469 2018-09-09 stsp
1283 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1284 1510f469 2018-09-09 stsp if (err)
1285 1510f469 2018-09-09 stsp goto done;
1286 1510f469 2018-09-09 stsp
1287 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1288 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1289 1510f469 2018-09-09 stsp goto done;
1290 ff563a3d 2019-05-23 stsp }
1291 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1292 90636195 2018-09-11 stsp
1293 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1294 1510f469 2018-09-09 stsp
1295 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1296 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1297 1510f469 2018-09-09 stsp pack->fd, 0);
1298 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1299 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1300 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1301 3a11398b 2019-02-21 stsp goto done;
1302 3a11398b 2019-02-21 stsp }
1303 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1304 3a11398b 2019-02-21 stsp }
1305 1510f469 2018-09-09 stsp #endif
1306 1510f469 2018-09-09 stsp done:
1307 1510f469 2018-09-09 stsp if (err) {
1308 1510f469 2018-09-09 stsp if (pack) {
1309 1510f469 2018-09-09 stsp free(pack->path_packfile);
1310 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1311 1510f469 2018-09-09 stsp }
1312 1510f469 2018-09-09 stsp } else if (packp)
1313 1510f469 2018-09-09 stsp *packp = pack;
1314 1510f469 2018-09-09 stsp return err;
1315 1510f469 2018-09-09 stsp }
1316 1510f469 2018-09-09 stsp
1317 1510f469 2018-09-09 stsp struct got_pack *
1318 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1319 1510f469 2018-09-09 stsp {
1320 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1321 16aeacf7 2020-11-26 stsp size_t i;
1322 1510f469 2018-09-09 stsp
1323 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1324 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1325 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1326 1510f469 2018-09-09 stsp break;
1327 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1328 1510f469 2018-09-09 stsp return pack;
1329 2c7829a4 2019-06-17 stsp }
1330 2c7829a4 2019-06-17 stsp
1331 2c7829a4 2019-06-17 stsp return NULL;
1332 2c7829a4 2019-06-17 stsp }
1333 2c7829a4 2019-06-17 stsp
1334 2c7829a4 2019-06-17 stsp const struct got_error *
1335 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1336 2c7829a4 2019-06-17 stsp {
1337 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1338 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1339 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1340 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1341 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1342 2c7829a4 2019-06-17 stsp };
1343 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1344 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1345 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1346 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1347 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1348 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1349 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1350 2c7829a4 2019-06-17 stsp char *path;
1351 16aeacf7 2020-11-26 stsp size_t i;
1352 2c7829a4 2019-06-17 stsp
1353 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1354 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1355 2c7829a4 2019-06-17 stsp
1356 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1357 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1358 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1359 2c7829a4 2019-06-17 stsp }
1360 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1361 2c7829a4 2019-06-17 stsp free(path);
1362 2c7829a4 2019-06-17 stsp if (err)
1363 2c7829a4 2019-06-17 stsp return err;
1364 1510f469 2018-09-09 stsp }
1365 1510f469 2018-09-09 stsp
1366 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1367 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1368 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1369 2c7829a4 2019-06-17 stsp free(path);
1370 2c7829a4 2019-06-17 stsp if (err)
1371 2c7829a4 2019-06-17 stsp return err;
1372 2c7829a4 2019-06-17 stsp
1373 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1374 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1375 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1376 2c7829a4 2019-06-17 stsp free(path);
1377 2c7829a4 2019-06-17 stsp if (err)
1378 2c7829a4 2019-06-17 stsp return err;
1379 2c7829a4 2019-06-17 stsp
1380 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1381 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1382 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1383 2c7829a4 2019-06-17 stsp free(path);
1384 2c7829a4 2019-06-17 stsp if (err)
1385 2c7829a4 2019-06-17 stsp return err;
1386 2c7829a4 2019-06-17 stsp
1387 1510f469 2018-09-09 stsp return NULL;
1388 e09a504c 2019-06-28 stsp }
1389 e09a504c 2019-06-28 stsp
1390 e09a504c 2019-06-28 stsp static const struct got_error *
1391 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1392 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1393 e09a504c 2019-06-28 stsp {
1394 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1395 6d5a9006 2020-12-16 yzhong DIR *packdir = NULL;
1396 e09a504c 2019-06-28 stsp struct dirent *dent;
1397 e09a504c 2019-06-28 stsp char *path_packidx;
1398 dd88155e 2019-06-29 stsp struct got_object_id_queue matched_ids;
1399 6d5a9006 2020-12-16 yzhong int packdir_fd;
1400 e09a504c 2019-06-28 stsp
1401 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1402 dd88155e 2019-06-29 stsp
1403 6d5a9006 2020-12-16 yzhong packdir_fd = openat(got_repo_get_fd(repo),
1404 6d5a9006 2020-12-16 yzhong GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
1405 6d5a9006 2020-12-16 yzhong if (packdir_fd == -1) {
1406 e4167f30 2019-07-27 stsp if (errno != ENOENT)
1407 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("openat", GOT_OBJECTS_PACK_DIR);
1408 6d5a9006 2020-12-16 yzhong goto done;
1409 6d5a9006 2020-12-16 yzhong }
1410 6d5a9006 2020-12-16 yzhong
1411 6d5a9006 2020-12-16 yzhong packdir = fdopendir(packdir_fd);
1412 6d5a9006 2020-12-16 yzhong if (packdir == NULL) {
1413 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("fdopendir");
1414 e09a504c 2019-06-28 stsp goto done;
1415 e09a504c 2019-06-28 stsp }
1416 e09a504c 2019-06-28 stsp
1417 e09a504c 2019-06-28 stsp while ((dent = readdir(packdir)) != NULL) {
1418 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1419 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1420 dd88155e 2019-06-29 stsp
1421 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
1422 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
1423 e09a504c 2019-06-28 stsp continue;
1424 e09a504c 2019-06-28 stsp
1425 6d5a9006 2020-12-16 yzhong if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1426 e09a504c 2019-06-28 stsp dent->d_name) == -1) {
1427 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("strdup");
1428 4277420a 2019-06-29 stsp break;
1429 e09a504c 2019-06-28 stsp }
1430 e09a504c 2019-06-28 stsp
1431 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1432 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1433 e09a504c 2019-06-28 stsp free(path_packidx);
1434 e09a504c 2019-06-28 stsp if (err)
1435 4277420a 2019-06-29 stsp break;
1436 e09a504c 2019-06-28 stsp
1437 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1438 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1439 4277420a 2019-06-29 stsp if (err) {
1440 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1441 4277420a 2019-06-29 stsp break;
1442 4277420a 2019-06-29 stsp }
1443 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1444 dd88155e 2019-06-29 stsp if (err)
1445 e09a504c 2019-06-28 stsp break;
1446 e09a504c 2019-06-28 stsp
1447 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &matched_ids, entry) {
1448 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1449 dd88155e 2019-06-29 stsp int matched_type;
1450 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1451 dd88155e 2019-06-29 stsp qid->id);
1452 dd88155e 2019-06-29 stsp if (err)
1453 dd88155e 2019-06-29 stsp goto done;
1454 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1455 dd88155e 2019-06-29 stsp continue;
1456 dd88155e 2019-06-29 stsp }
1457 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1458 dd88155e 2019-06-29 stsp *unique_id = got_object_id_dup(qid->id);
1459 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1460 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1461 dd88155e 2019-06-29 stsp goto done;
1462 dd88155e 2019-06-29 stsp }
1463 4277420a 2019-06-29 stsp } else {
1464 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, qid->id) == 0)
1465 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1466 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1467 561c3678 2019-07-02 stsp goto done;
1468 e09a504c 2019-06-28 stsp }
1469 e09a504c 2019-06-28 stsp }
1470 e09a504c 2019-06-28 stsp }
1471 e09a504c 2019-06-28 stsp done:
1472 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1473 e09a504c 2019-06-28 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1474 e09a504c 2019-06-28 stsp err = got_error_from_errno("closedir");
1475 e09a504c 2019-06-28 stsp if (err) {
1476 e09a504c 2019-06-28 stsp free(*unique_id);
1477 e09a504c 2019-06-28 stsp *unique_id = NULL;
1478 e09a504c 2019-06-28 stsp }
1479 e09a504c 2019-06-28 stsp return err;
1480 e09a504c 2019-06-28 stsp }
1481 e09a504c 2019-06-28 stsp
1482 e09a504c 2019-06-28 stsp static const struct got_error *
1483 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1484 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1485 e09a504c 2019-06-28 stsp struct got_repository *repo)
1486 e09a504c 2019-06-28 stsp {
1487 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1488 e09a504c 2019-06-28 stsp char *path;
1489 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1490 e09a504c 2019-06-28 stsp struct dirent *dent;
1491 e09a504c 2019-06-28 stsp struct got_object_id id;
1492 e09a504c 2019-06-28 stsp
1493 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1494 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1495 e09a504c 2019-06-28 stsp goto done;
1496 e09a504c 2019-06-28 stsp }
1497 e09a504c 2019-06-28 stsp
1498 e09a504c 2019-06-28 stsp dir = opendir(path);
1499 e09a504c 2019-06-28 stsp if (dir == NULL) {
1500 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1501 4277420a 2019-06-29 stsp err = NULL;
1502 4277420a 2019-06-29 stsp goto done;
1503 4277420a 2019-06-29 stsp }
1504 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1505 e09a504c 2019-06-28 stsp goto done;
1506 e09a504c 2019-06-28 stsp }
1507 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1508 e09a504c 2019-06-28 stsp char *id_str;
1509 5903ff6e 2019-06-29 stsp int cmp;
1510 5903ff6e 2019-06-29 stsp
1511 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1512 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1513 e09a504c 2019-06-28 stsp continue;
1514 e09a504c 2019-06-28 stsp
1515 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1516 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1517 e09a504c 2019-06-28 stsp goto done;
1518 e09a504c 2019-06-28 stsp }
1519 e09a504c 2019-06-28 stsp
1520 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1521 e09a504c 2019-06-28 stsp continue;
1522 e09a504c 2019-06-28 stsp
1523 52d1d0d9 2019-07-07 stsp /*
1524 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1525 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1526 52d1d0d9 2019-07-07 stsp */
1527 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1528 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1529 e09a504c 2019-06-28 stsp free(id_str);
1530 e09a504c 2019-06-28 stsp continue;
1531 e09a504c 2019-06-28 stsp }
1532 e09a504c 2019-06-28 stsp
1533 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1534 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1535 dd88155e 2019-06-29 stsp int matched_type;
1536 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1537 dd88155e 2019-06-29 stsp &id);
1538 dd88155e 2019-06-29 stsp if (err)
1539 dd88155e 2019-06-29 stsp goto done;
1540 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1541 dd88155e 2019-06-29 stsp continue;
1542 dd88155e 2019-06-29 stsp }
1543 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1544 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1545 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1546 e09a504c 2019-06-28 stsp free(id_str);
1547 e09a504c 2019-06-28 stsp goto done;
1548 e09a504c 2019-06-28 stsp }
1549 e09a504c 2019-06-28 stsp } else {
1550 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1551 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1552 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1553 e09a504c 2019-06-28 stsp free(id_str);
1554 e09a504c 2019-06-28 stsp goto done;
1555 e09a504c 2019-06-28 stsp }
1556 e09a504c 2019-06-28 stsp }
1557 e09a504c 2019-06-28 stsp done:
1558 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1559 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1560 e09a504c 2019-06-28 stsp if (err) {
1561 e09a504c 2019-06-28 stsp free(*unique_id);
1562 e09a504c 2019-06-28 stsp *unique_id = NULL;
1563 e09a504c 2019-06-28 stsp }
1564 e09a504c 2019-06-28 stsp free(path);
1565 e09a504c 2019-06-28 stsp return err;
1566 1510f469 2018-09-09 stsp }
1567 e09a504c 2019-06-28 stsp
1568 e09a504c 2019-06-28 stsp const struct got_error *
1569 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1570 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1571 e09a504c 2019-06-28 stsp {
1572 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1573 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1574 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1575 e09a504c 2019-06-28 stsp size_t len;
1576 4277420a 2019-06-29 stsp int i;
1577 e09a504c 2019-06-28 stsp
1578 4277420a 2019-06-29 stsp *id = NULL;
1579 4277420a 2019-06-29 stsp
1580 4277420a 2019-06-29 stsp for (i = 0; i < strlen(id_str_prefix); i++) {
1581 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1582 4277420a 2019-06-29 stsp continue;
1583 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1584 4277420a 2019-06-29 stsp }
1585 4277420a 2019-06-29 stsp
1586 e09a504c 2019-06-28 stsp len = strlen(id_str_prefix);
1587 e09a504c 2019-06-28 stsp if (len >= 2) {
1588 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1589 4277420a 2019-06-29 stsp if (err)
1590 83c8b3b8 2019-06-29 stsp goto done;
1591 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1592 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1593 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1594 83c8b3b8 2019-06-29 stsp goto done;
1595 83c8b3b8 2019-06-29 stsp }
1596 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1597 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1598 e09a504c 2019-06-28 stsp } else if (len == 1) {
1599 e09a504c 2019-06-28 stsp int i;
1600 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1601 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1602 83c8b3b8 2019-06-29 stsp == -1) {
1603 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1604 83c8b3b8 2019-06-29 stsp goto done;
1605 83c8b3b8 2019-06-29 stsp }
1606 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1607 dd88155e 2019-06-29 stsp obj_type);
1608 4277420a 2019-06-29 stsp if (err)
1609 83c8b3b8 2019-06-29 stsp goto done;
1610 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1611 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1612 e09a504c 2019-06-28 stsp if (err)
1613 83c8b3b8 2019-06-29 stsp goto done;
1614 e09a504c 2019-06-28 stsp }
1615 83c8b3b8 2019-06-29 stsp } else {
1616 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1617 83c8b3b8 2019-06-29 stsp goto done;
1618 83c8b3b8 2019-06-29 stsp }
1619 83c8b3b8 2019-06-29 stsp done:
1620 e09a504c 2019-06-28 stsp free(object_dir);
1621 4277420a 2019-06-29 stsp if (err) {
1622 4277420a 2019-06-29 stsp free(*id);
1623 4277420a 2019-06-29 stsp *id = NULL;
1624 a3599220 2021-10-10 thomas } else if (*id == NULL) {
1625 a3599220 2021-10-10 thomas switch (obj_type) {
1626 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_BLOB:
1627 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1628 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_BLOB, id_str_prefix);
1629 a3599220 2021-10-10 thomas break;
1630 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TREE:
1631 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1632 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TREE, id_str_prefix);
1633 a3599220 2021-10-10 thomas break;
1634 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_COMMIT:
1635 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1636 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_COMMIT, id_str_prefix);
1637 a3599220 2021-10-10 thomas break;
1638 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TAG:
1639 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1640 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TAG, id_str_prefix);
1641 a3599220 2021-10-10 thomas break;
1642 a3599220 2021-10-10 thomas default:
1643 a3599220 2021-10-10 thomas err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1644 a3599220 2021-10-10 thomas break;
1645 a3599220 2021-10-10 thomas }
1646 a3599220 2021-10-10 thomas }
1647 303e2782 2019-08-09 stsp
1648 303e2782 2019-08-09 stsp return err;
1649 303e2782 2019-08-09 stsp }
1650 303e2782 2019-08-09 stsp
1651 303e2782 2019-08-09 stsp const struct got_error *
1652 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1653 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1654 71a27632 2020-01-15 stsp struct got_repository *repo)
1655 71a27632 2020-01-15 stsp {
1656 71a27632 2020-01-15 stsp const struct got_error *err;
1657 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1658 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1659 71a27632 2020-01-15 stsp
1660 71a27632 2020-01-15 stsp *id = NULL;
1661 71a27632 2020-01-15 stsp if (label)
1662 71a27632 2020-01-15 stsp *label = NULL;
1663 71a27632 2020-01-15 stsp
1664 84de9106 2020-12-26 stsp if (refs) {
1665 f1165c79 2021-10-10 thomas err = got_repo_object_match_tag(&tag, id_str, obj_type,
1666 84de9106 2020-12-26 stsp refs, repo);
1667 71a27632 2020-01-15 stsp if (err == NULL) {
1668 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1669 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1670 71a27632 2020-01-15 stsp if (*id == NULL)
1671 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1672 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1673 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1674 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1675 71a27632 2020-01-15 stsp free(*id);
1676 71a27632 2020-01-15 stsp *id = NULL;
1677 71a27632 2020-01-15 stsp }
1678 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1679 71a27632 2020-01-15 stsp return err;
1680 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1681 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1682 71a27632 2020-01-15 stsp return err;
1683 71a27632 2020-01-15 stsp }
1684 71a27632 2020-01-15 stsp
1685 71a27632 2020-01-15 stsp err = got_repo_match_object_id_prefix(id, id_str, obj_type, repo);
1686 71a27632 2020-01-15 stsp if (err) {
1687 71a27632 2020-01-15 stsp if (err->code != GOT_ERR_BAD_OBJ_ID_STR)
1688 71a27632 2020-01-15 stsp return err;
1689 71a27632 2020-01-15 stsp err = got_ref_open(&ref, repo, id_str, 0);
1690 71a27632 2020-01-15 stsp if (err != NULL)
1691 71a27632 2020-01-15 stsp goto done;
1692 71a27632 2020-01-15 stsp if (label) {
1693 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1694 71a27632 2020-01-15 stsp if (*label == NULL) {
1695 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1696 71a27632 2020-01-15 stsp goto done;
1697 71a27632 2020-01-15 stsp }
1698 71a27632 2020-01-15 stsp }
1699 71a27632 2020-01-15 stsp err = got_ref_resolve(id, repo, ref);
1700 71a27632 2020-01-15 stsp } else if (label) {
1701 71a27632 2020-01-15 stsp err = got_object_id_str(label, *id);
1702 71a27632 2020-01-15 stsp if (*label == NULL) {
1703 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1704 71a27632 2020-01-15 stsp goto done;
1705 71a27632 2020-01-15 stsp }
1706 71a27632 2020-01-15 stsp }
1707 71a27632 2020-01-15 stsp done:
1708 71a27632 2020-01-15 stsp if (ref)
1709 71a27632 2020-01-15 stsp got_ref_close(ref);
1710 71a27632 2020-01-15 stsp return err;
1711 71a27632 2020-01-15 stsp }
1712 71a27632 2020-01-15 stsp
1713 71a27632 2020-01-15 stsp const struct got_error *
1714 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1715 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1716 303e2782 2019-08-09 stsp {
1717 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1718 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1719 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1720 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1721 303e2782 2019-08-09 stsp
1722 303e2782 2019-08-09 stsp *tag = NULL;
1723 303e2782 2019-08-09 stsp
1724 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1725 303e2782 2019-08-09 stsp const char *refname;
1726 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1727 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1728 303e2782 2019-08-09 stsp continue;
1729 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1730 84de9106 2020-12-26 stsp continue;
1731 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1732 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1733 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1734 303e2782 2019-08-09 stsp continue;
1735 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1736 303e2782 2019-08-09 stsp if (err)
1737 303e2782 2019-08-09 stsp break;
1738 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1739 303e2782 2019-08-09 stsp free(tag_id);
1740 303e2782 2019-08-09 stsp if (err)
1741 303e2782 2019-08-09 stsp break;
1742 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1743 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1744 303e2782 2019-08-09 stsp break;
1745 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1746 303e2782 2019-08-09 stsp *tag = NULL;
1747 303e2782 2019-08-09 stsp }
1748 4277420a 2019-06-29 stsp
1749 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1750 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1751 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TAG, name);
1752 e09a504c 2019-06-28 stsp return err;
1753 e09a504c 2019-06-28 stsp }
1754 7a1d6b72 2020-01-15 stsp
1755 3ce1b845 2019-07-15 stsp static const struct got_error *
1756 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1757 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1758 3ce1b845 2019-07-15 stsp {
1759 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1760 3ce1b845 2019-07-15 stsp
1761 3ce1b845 2019-07-15 stsp *new_te = NULL;
1762 3ce1b845 2019-07-15 stsp
1763 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1764 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1765 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1766 3ce1b845 2019-07-15 stsp
1767 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1768 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1769 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1770 3ce1b845 2019-07-15 stsp goto done;
1771 3ce1b845 2019-07-15 stsp }
1772 3ce1b845 2019-07-15 stsp
1773 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1774 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1775 e8863bdc 2020-07-23 stsp } else {
1776 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1777 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1778 e8863bdc 2020-07-23 stsp }
1779 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1780 3ce1b845 2019-07-15 stsp done:
1781 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1782 56e0773d 2019-11-28 stsp free(*new_te);
1783 3ce1b845 2019-07-15 stsp *new_te = NULL;
1784 3ce1b845 2019-07-15 stsp }
1785 3ce1b845 2019-07-15 stsp return err;
1786 3ce1b845 2019-07-15 stsp }
1787 3ce1b845 2019-07-15 stsp
1788 3ce1b845 2019-07-15 stsp static const struct got_error *
1789 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1790 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1791 3ce1b845 2019-07-15 stsp {
1792 3ce1b845 2019-07-15 stsp const struct got_error *err;
1793 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1794 3ce1b845 2019-07-15 stsp char *filepath;
1795 3ce1b845 2019-07-15 stsp struct stat sb;
1796 3ce1b845 2019-07-15 stsp
1797 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1798 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1799 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1800 3ce1b845 2019-07-15 stsp
1801 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1802 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1803 3ce1b845 2019-07-15 stsp goto done;
1804 3ce1b845 2019-07-15 stsp }
1805 3ce1b845 2019-07-15 stsp
1806 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1807 3ce1b845 2019-07-15 stsp if (err)
1808 3ce1b845 2019-07-15 stsp goto done;
1809 3ce1b845 2019-07-15 stsp
1810 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1811 3ce1b845 2019-07-15 stsp blob_id);
1812 3ce1b845 2019-07-15 stsp done:
1813 3ce1b845 2019-07-15 stsp free(filepath);
1814 3ce1b845 2019-07-15 stsp if (err)
1815 3ce1b845 2019-07-15 stsp free(blob_id);
1816 3ce1b845 2019-07-15 stsp return err;
1817 3ce1b845 2019-07-15 stsp }
1818 3ce1b845 2019-07-15 stsp
1819 3ce1b845 2019-07-15 stsp static const struct got_error *
1820 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1821 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1822 3ce1b845 2019-07-15 stsp {
1823 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1824 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
1825 3ce1b845 2019-07-15 stsp
1826 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
1827 3ce1b845 2019-07-15 stsp if (err)
1828 3ce1b845 2019-07-15 stsp return err;
1829 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
1830 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
1831 3ce1b845 2019-07-15 stsp return NULL;
1832 3ce1b845 2019-07-15 stsp }
1833 3ce1b845 2019-07-15 stsp
1834 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
1835 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
1836 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
1837 3ce1b845 2019-07-15 stsp
1838 3ce1b845 2019-07-15 stsp static const struct got_error *
1839 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
1840 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
1841 3ce1b845 2019-07-15 stsp struct got_repository *repo,
1842 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1843 3ce1b845 2019-07-15 stsp {
1844 3ce1b845 2019-07-15 stsp const struct got_error *err;
1845 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
1846 3ce1b845 2019-07-15 stsp char *subdirpath;
1847 3ce1b845 2019-07-15 stsp
1848 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
1849 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1850 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1851 3ce1b845 2019-07-15 stsp
1852 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
1853 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
1854 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
1855 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
1856 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
1857 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1858 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1859 3ce1b845 2019-07-15 stsp goto done;
1860 3ce1b845 2019-07-15 stsp }
1861 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
1862 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1863 56e0773d 2019-11-28 stsp if (err)
1864 56e0773d 2019-11-28 stsp goto done;
1865 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
1866 56e0773d 2019-11-28 stsp
1867 3ce1b845 2019-07-15 stsp done:
1868 56e0773d 2019-11-28 stsp free(id);
1869 3ce1b845 2019-07-15 stsp free(subdirpath);
1870 3ce1b845 2019-07-15 stsp if (err) {
1871 56e0773d 2019-11-28 stsp free(*new_te);
1872 3ce1b845 2019-07-15 stsp *new_te = NULL;
1873 3ce1b845 2019-07-15 stsp }
1874 3ce1b845 2019-07-15 stsp return err;
1875 3ce1b845 2019-07-15 stsp }
1876 3ce1b845 2019-07-15 stsp
1877 3ce1b845 2019-07-15 stsp static const struct got_error *
1878 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
1879 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
1880 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1881 3ce1b845 2019-07-15 stsp {
1882 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1883 3ce1b845 2019-07-15 stsp DIR *dir;
1884 3ce1b845 2019-07-15 stsp struct dirent *de;
1885 56e0773d 2019-11-28 stsp int nentries;
1886 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
1887 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
1888 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
1889 3ce1b845 2019-07-15 stsp
1890 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
1891 3ce1b845 2019-07-15 stsp
1892 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
1893 3ce1b845 2019-07-15 stsp
1894 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
1895 3ce1b845 2019-07-15 stsp if (dir == NULL) {
1896 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
1897 3ce1b845 2019-07-15 stsp goto done;
1898 3ce1b845 2019-07-15 stsp }
1899 3ce1b845 2019-07-15 stsp
1900 56e0773d 2019-11-28 stsp nentries = 0;
1901 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
1902 3ce1b845 2019-07-15 stsp int ignore = 0;
1903 20ccae39 2020-07-21 stsp int type;
1904 3ce1b845 2019-07-15 stsp
1905 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
1906 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
1907 3ce1b845 2019-07-15 stsp continue;
1908 3ce1b845 2019-07-15 stsp
1909 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
1910 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
1911 3ce1b845 2019-07-15 stsp ignore = 1;
1912 3ce1b845 2019-07-15 stsp break;
1913 3ce1b845 2019-07-15 stsp }
1914 3ce1b845 2019-07-15 stsp }
1915 3ce1b845 2019-07-15 stsp if (ignore)
1916 3ce1b845 2019-07-15 stsp continue;
1917 20ccae39 2020-07-21 stsp
1918 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
1919 20ccae39 2020-07-21 stsp if (err)
1920 20ccae39 2020-07-21 stsp goto done;
1921 20ccae39 2020-07-21 stsp
1922 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
1923 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
1924 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
1925 db1d3576 2019-10-04 stsp if (err) {
1926 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
1927 db1d3576 2019-10-04 stsp goto done;
1928 db1d3576 2019-10-04 stsp err = NULL;
1929 db1d3576 2019-10-04 stsp continue;
1930 db1d3576 2019-10-04 stsp }
1931 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
1932 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
1933 3ce1b845 2019-07-15 stsp if (err)
1934 3ce1b845 2019-07-15 stsp goto done;
1935 3ce1b845 2019-07-15 stsp } else
1936 3ce1b845 2019-07-15 stsp continue;
1937 3ce1b845 2019-07-15 stsp
1938 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
1939 3ce1b845 2019-07-15 stsp if (err)
1940 3ce1b845 2019-07-15 stsp goto done;
1941 56e0773d 2019-11-28 stsp nentries++;
1942 3ce1b845 2019-07-15 stsp }
1943 3ce1b845 2019-07-15 stsp
1944 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
1945 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
1946 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
1947 db1d3576 2019-10-04 stsp goto done;
1948 db1d3576 2019-10-04 stsp }
1949 db1d3576 2019-10-04 stsp
1950 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
1951 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
1952 3ce1b845 2019-07-15 stsp char *path;
1953 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
1954 3ce1b845 2019-07-15 stsp continue;
1955 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
1956 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
1957 3ce1b845 2019-07-15 stsp goto done;
1958 3ce1b845 2019-07-15 stsp }
1959 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
1960 3ce1b845 2019-07-15 stsp free(path);
1961 3ce1b845 2019-07-15 stsp if (err)
1962 3ce1b845 2019-07-15 stsp goto done;
1963 3ce1b845 2019-07-15 stsp }
1964 3ce1b845 2019-07-15 stsp
1965 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
1966 3ce1b845 2019-07-15 stsp done:
1967 3ce1b845 2019-07-15 stsp if (dir)
1968 3ce1b845 2019-07-15 stsp closedir(dir);
1969 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
1970 3ce1b845 2019-07-15 stsp return err;
1971 3ce1b845 2019-07-15 stsp }
1972 3ce1b845 2019-07-15 stsp
1973 3ce1b845 2019-07-15 stsp const struct got_error *
1974 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
1975 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
1976 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
1977 3ce1b845 2019-07-15 stsp void *progress_arg)
1978 3ce1b845 2019-07-15 stsp {
1979 3ce1b845 2019-07-15 stsp const struct got_error *err;
1980 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
1981 3ce1b845 2019-07-15 stsp
1982 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
1983 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1984 3ce1b845 2019-07-15 stsp if (err)
1985 3ce1b845 2019-07-15 stsp return err;
1986 3ce1b845 2019-07-15 stsp
1987 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
1988 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
1989 3ce1b845 2019-07-15 stsp free(new_tree_id);
1990 20662ea0 2021-04-10 stsp return err;
1991 20662ea0 2021-04-10 stsp }
1992 20662ea0 2021-04-10 stsp
1993 20662ea0 2021-04-10 stsp const struct got_error *
1994 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
1995 20662ea0 2021-04-10 stsp struct got_repository *repo)
1996 20662ea0 2021-04-10 stsp {
1997 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
1998 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
1999 20662ea0 2021-04-10 stsp DIR *dir = NULL;
2000 20662ea0 2021-04-10 stsp struct got_object_id id;
2001 20662ea0 2021-04-10 stsp int i;
2002 20662ea0 2021-04-10 stsp
2003 20662ea0 2021-04-10 stsp *nobjects = 0;
2004 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2005 20662ea0 2021-04-10 stsp
2006 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
2007 20662ea0 2021-04-10 stsp if (path_objects == NULL)
2008 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
2009 20662ea0 2021-04-10 stsp
2010 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
2011 20662ea0 2021-04-10 stsp struct dirent *dent;
2012 20662ea0 2021-04-10 stsp
2013 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2014 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2015 20662ea0 2021-04-10 stsp break;
2016 20662ea0 2021-04-10 stsp }
2017 20662ea0 2021-04-10 stsp
2018 20662ea0 2021-04-10 stsp dir = opendir(path);
2019 20662ea0 2021-04-10 stsp if (dir == NULL) {
2020 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
2021 20662ea0 2021-04-10 stsp err = NULL;
2022 20662ea0 2021-04-10 stsp continue;
2023 20662ea0 2021-04-10 stsp }
2024 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
2025 20662ea0 2021-04-10 stsp break;
2026 20662ea0 2021-04-10 stsp }
2027 20662ea0 2021-04-10 stsp
2028 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
2029 20662ea0 2021-04-10 stsp char *id_str;
2030 20662ea0 2021-04-10 stsp int fd;
2031 20662ea0 2021-04-10 stsp struct stat sb;
2032 20662ea0 2021-04-10 stsp
2033 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
2034 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
2035 20662ea0 2021-04-10 stsp continue;
2036 20662ea0 2021-04-10 stsp
2037 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2038 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2039 20662ea0 2021-04-10 stsp goto done;
2040 20662ea0 2021-04-10 stsp }
2041 20662ea0 2021-04-10 stsp
2042 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
2043 20662ea0 2021-04-10 stsp free(id_str);
2044 20662ea0 2021-04-10 stsp continue;
2045 20662ea0 2021-04-10 stsp }
2046 20662ea0 2021-04-10 stsp free(id_str);
2047 20662ea0 2021-04-10 stsp
2048 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
2049 20662ea0 2021-04-10 stsp if (err)
2050 20662ea0 2021-04-10 stsp goto done;
2051 20662ea0 2021-04-10 stsp
2052 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
2053 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
2054 20662ea0 2021-04-10 stsp close(fd);
2055 20662ea0 2021-04-10 stsp goto done;
2056 20662ea0 2021-04-10 stsp }
2057 20662ea0 2021-04-10 stsp (*nobjects)++;
2058 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
2059 20662ea0 2021-04-10 stsp
2060 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
2061 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
2062 20662ea0 2021-04-10 stsp goto done;
2063 20662ea0 2021-04-10 stsp }
2064 20662ea0 2021-04-10 stsp }
2065 20662ea0 2021-04-10 stsp
2066 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
2067 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2068 20662ea0 2021-04-10 stsp goto done;
2069 20662ea0 2021-04-10 stsp }
2070 20662ea0 2021-04-10 stsp dir = NULL;
2071 20662ea0 2021-04-10 stsp
2072 20662ea0 2021-04-10 stsp free(path);
2073 20662ea0 2021-04-10 stsp path = NULL;
2074 20662ea0 2021-04-10 stsp }
2075 20662ea0 2021-04-10 stsp done:
2076 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
2077 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2078 20662ea0 2021-04-10 stsp
2079 20662ea0 2021-04-10 stsp if (err) {
2080 20662ea0 2021-04-10 stsp *nobjects = 0;
2081 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2082 20662ea0 2021-04-10 stsp }
2083 20662ea0 2021-04-10 stsp free(path_objects);
2084 20662ea0 2021-04-10 stsp free(path);
2085 3ce1b845 2019-07-15 stsp return err;
2086 3ce1b845 2019-07-15 stsp }
2087 20662ea0 2021-04-10 stsp
2088 20662ea0 2021-04-10 stsp const struct got_error *
2089 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2090 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
2091 20662ea0 2021-04-10 stsp {
2092 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
2093 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
2094 20662ea0 2021-04-10 stsp struct dirent *dent;
2095 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
2096 20662ea0 2021-04-10 stsp char *path_packidx;
2097 20662ea0 2021-04-10 stsp char *path_packfile;
2098 20662ea0 2021-04-10 stsp int packdir_fd;
2099 20662ea0 2021-04-10 stsp struct stat sb;
2100 20662ea0 2021-04-10 stsp
2101 20662ea0 2021-04-10 stsp *npackfiles = 0;
2102 20662ea0 2021-04-10 stsp *nobjects = 0;
2103 20662ea0 2021-04-10 stsp *total_packsize = 0;
2104 20662ea0 2021-04-10 stsp
2105 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
2106 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2107 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
2108 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
2109 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
2110 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
2111 20662ea0 2021-04-10 stsp }
2112 20662ea0 2021-04-10 stsp
2113 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
2114 20662ea0 2021-04-10 stsp if (packdir == NULL) {
2115 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
2116 20662ea0 2021-04-10 stsp goto done;
2117 20662ea0 2021-04-10 stsp }
2118 20662ea0 2021-04-10 stsp
2119 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
2120 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
2121 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
2122 20662ea0 2021-04-10 stsp continue;
2123 20662ea0 2021-04-10 stsp
2124 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2125 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
2126 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2127 20662ea0 2021-04-10 stsp goto done;
2128 20662ea0 2021-04-10 stsp }
2129 20662ea0 2021-04-10 stsp
2130 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2131 20662ea0 2021-04-10 stsp path_packidx, 0);
2132 20662ea0 2021-04-10 stsp free(path_packidx);
2133 20662ea0 2021-04-10 stsp if (err)
2134 20662ea0 2021-04-10 stsp goto done;
2135 20662ea0 2021-04-10 stsp
2136 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
2137 20662ea0 2021-04-10 stsp goto done;
2138 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2139 20662ea0 2021-04-10 stsp
2140 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2141 aea75d87 2021-07-06 stsp packidx->path_packidx);
2142 20662ea0 2021-04-10 stsp if (err)
2143 20662ea0 2021-04-10 stsp goto done;
2144 20662ea0 2021-04-10 stsp
2145 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2146 20662ea0 2021-04-10 stsp 0) == -1) {
2147 20662ea0 2021-04-10 stsp free(path_packfile);
2148 20662ea0 2021-04-10 stsp goto done;
2149 20662ea0 2021-04-10 stsp }
2150 20662ea0 2021-04-10 stsp free(path_packfile);
2151 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2152 20662ea0 2021-04-10 stsp
2153 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2154 20662ea0 2021-04-10 stsp
2155 20662ea0 2021-04-10 stsp (*npackfiles)++;
2156 20662ea0 2021-04-10 stsp
2157 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2158 20662ea0 2021-04-10 stsp packidx = NULL;
2159 20662ea0 2021-04-10 stsp }
2160 20662ea0 2021-04-10 stsp done:
2161 20662ea0 2021-04-10 stsp if (packidx)
2162 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2163 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2164 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2165 20662ea0 2021-04-10 stsp if (err) {
2166 20662ea0 2021-04-10 stsp *npackfiles = 0;
2167 20662ea0 2021-04-10 stsp *nobjects = 0;
2168 20662ea0 2021-04-10 stsp *total_packsize = 0;
2169 20662ea0 2021-04-10 stsp }
2170 20662ea0 2021-04-10 stsp return err;
2171 20662ea0 2021-04-10 stsp }
2172 0be8fa4c 2021-10-15 thomas
2173 0be8fa4c 2021-10-15 thomas RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2174 0be8fa4c 2021-10-15 thomas got_packidx_bloom_filter_cmp);