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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 4027f31a 2017-11-04 stsp
39 4545b700 2021-10-15 thomas #include "bloom.h"
40 dd038bc6 2021-09-21 thomas.ad
41 4027f31a 2017-11-04 stsp #include "got_error.h"
42 5261c201 2018-04-01 stsp #include "got_reference.h"
43 4027f31a 2017-11-04 stsp #include "got_repository.h"
44 1dd54920 2019-05-11 stsp #include "got_path.h"
45 e6209546 2019-08-22 stsp #include "got_cancel.h"
46 7bb0daa1 2018-06-21 stsp #include "got_object.h"
47 4027f31a 2017-11-04 stsp
48 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
49 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
50 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
51 3ce1b845 2019-07-15 stsp #include "got_lib_object_parse.h"
52 3ce1b845 2019-07-15 stsp #include "got_lib_object_create.h"
53 718b3ab0 2018-03-17 stsp #include "got_lib_pack.h"
54 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
55 e09a504c 2019-06-28 stsp #include "got_lib_sha1.h"
56 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
57 6bef87be 2018-09-11 stsp #include "got_lib_repository.h"
58 50b0790e 2020-09-11 stsp #include "got_lib_gotconfig.h"
59 c3f94f68 2017-11-05 stsp
60 79b11c62 2018-03-09 stsp #ifndef nitems
61 79b11c62 2018-03-09 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
62 79b11c62 2018-03-09 stsp #endif
63 0be8fa4c 2021-10-15 thomas
64 0be8fa4c 2021-10-15 thomas RB_PROTOTYPE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
65 0be8fa4c 2021-10-15 thomas got_packidx_bloom_filter_cmp);
66 4df642d9 2017-11-05 stsp
67 7839bc15 2019-01-06 stsp const char *
68 86c3caaf 2018-03-09 stsp got_repo_get_path(struct got_repository *repo)
69 86c3caaf 2018-03-09 stsp {
70 7839bc15 2019-01-06 stsp return repo->path;
71 86c3caaf 2018-03-09 stsp }
72 86c3caaf 2018-03-09 stsp
73 6e9da951 2019-01-06 stsp const char *
74 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
75 4027f31a 2017-11-04 stsp {
76 6e9da951 2019-01-06 stsp return repo->path_git_dir;
77 6d5a9006 2020-12-16 yzhong }
78 6d5a9006 2020-12-16 yzhong
79 6d5a9006 2020-12-16 yzhong int
80 6d5a9006 2020-12-16 yzhong got_repo_get_fd(struct got_repository *repo)
81 6d5a9006 2020-12-16 yzhong {
82 6d5a9006 2020-12-16 yzhong return repo->gitdir_fd;
83 04ca23f4 2018-07-16 stsp }
84 04ca23f4 2018-07-16 stsp
85 aba9c984 2019-09-08 stsp const char *
86 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_name(struct got_repository *repo)
87 aba9c984 2019-09-08 stsp {
88 aba9c984 2019-09-08 stsp return repo->gitconfig_author_name;
89 aba9c984 2019-09-08 stsp }
90 aba9c984 2019-09-08 stsp
91 aba9c984 2019-09-08 stsp const char *
92 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_email(struct got_repository *repo)
93 aba9c984 2019-09-08 stsp {
94 aba9c984 2019-09-08 stsp return repo->gitconfig_author_email;
95 c9956ddf 2019-09-08 stsp }
96 c9956ddf 2019-09-08 stsp
97 c9956ddf 2019-09-08 stsp const char *
98 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_name(struct got_repository *repo)
99 c9956ddf 2019-09-08 stsp {
100 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_name;
101 c9956ddf 2019-09-08 stsp }
102 c9956ddf 2019-09-08 stsp
103 c9956ddf 2019-09-08 stsp const char *
104 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_email(struct got_repository *repo)
105 c9956ddf 2019-09-08 stsp {
106 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_email;
107 9a1cc63f 2020-02-03 stsp }
108 9a1cc63f 2020-02-03 stsp
109 9a1cc63f 2020-02-03 stsp const char *
110 9a1cc63f 2020-02-03 stsp got_repo_get_gitconfig_owner(struct got_repository *repo)
111 9a1cc63f 2020-02-03 stsp {
112 9a1cc63f 2020-02-03 stsp return repo->gitconfig_owner;
113 9188bd78 2021-07-03 stsp }
114 9188bd78 2021-07-03 stsp
115 9188bd78 2021-07-03 stsp void
116 9188bd78 2021-07-03 stsp got_repo_get_gitconfig_extensions(char ***extensions, int *nextensions,
117 9188bd78 2021-07-03 stsp struct got_repository *repo)
118 9188bd78 2021-07-03 stsp {
119 9188bd78 2021-07-03 stsp *extensions = repo->extensions;
120 9188bd78 2021-07-03 stsp *nextensions = repo->nextensions;
121 aba9c984 2019-09-08 stsp }
122 aba9c984 2019-09-08 stsp
123 04ca23f4 2018-07-16 stsp int
124 04ca23f4 2018-07-16 stsp got_repo_is_bare(struct got_repository *repo)
125 04ca23f4 2018-07-16 stsp {
126 04ca23f4 2018-07-16 stsp return (strcmp(repo->path, repo->path_git_dir) == 0);
127 4027f31a 2017-11-04 stsp }
128 4027f31a 2017-11-04 stsp
129 4027f31a 2017-11-04 stsp static char *
130 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
131 4027f31a 2017-11-04 stsp {
132 4027f31a 2017-11-04 stsp char *path_child;
133 3168e5da 2020-09-10 stsp
134 4986b9d5 2018-03-12 stsp if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
135 4027f31a 2017-11-04 stsp basename) == -1)
136 4027f31a 2017-11-04 stsp return NULL;
137 4027f31a 2017-11-04 stsp
138 4027f31a 2017-11-04 stsp return path_child;
139 4027f31a 2017-11-04 stsp }
140 4027f31a 2017-11-04 stsp
141 11995603 2017-11-05 stsp char *
142 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
143 4027f31a 2017-11-04 stsp {
144 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
145 4027f31a 2017-11-04 stsp }
146 4027f31a 2017-11-04 stsp
147 11995603 2017-11-05 stsp char *
148 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
149 a1fd68d8 2018-01-12 stsp {
150 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
151 a1fd68d8 2018-01-12 stsp }
152 a1fd68d8 2018-01-12 stsp
153 a1fd68d8 2018-01-12 stsp char *
154 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
155 4027f31a 2017-11-04 stsp {
156 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
157 4027f31a 2017-11-04 stsp }
158 4027f31a 2017-11-04 stsp
159 fb79db15 2019-02-01 stsp char *
160 fb79db15 2019-02-01 stsp got_repo_get_path_packed_refs(struct got_repository *repo)
161 fb79db15 2019-02-01 stsp {
162 fb79db15 2019-02-01 stsp return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
163 fb79db15 2019-02-01 stsp }
164 fb79db15 2019-02-01 stsp
165 4027f31a 2017-11-04 stsp static char *
166 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
167 4027f31a 2017-11-04 stsp {
168 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
169 1d126e2d 2019-08-24 stsp }
170 1d126e2d 2019-08-24 stsp
171 b46f3e71 2020-03-18 stsp char *
172 b46f3e71 2020-03-18 stsp got_repo_get_path_gitconfig(struct got_repository *repo)
173 1d126e2d 2019-08-24 stsp {
174 b46f3e71 2020-03-18 stsp return get_path_git_child(repo, GOT_GITCONFIG);
175 cd95becd 2019-11-29 stsp }
176 cd95becd 2019-11-29 stsp
177 257add31 2020-09-09 stsp char *
178 257add31 2020-09-09 stsp got_repo_get_path_gotconfig(struct got_repository *repo)
179 257add31 2020-09-09 stsp {
180 50b0790e 2020-09-11 stsp return get_path_git_child(repo, GOT_GOTCONFIG_FILENAME);
181 257add31 2020-09-09 stsp }
182 257add31 2020-09-09 stsp
183 50b0790e 2020-09-11 stsp const struct got_gotconfig *
184 50b0790e 2020-09-11 stsp got_repo_get_gotconfig(struct got_repository *repo)
185 cd95becd 2019-11-29 stsp {
186 50b0790e 2020-09-11 stsp return repo->gotconfig;
187 4027f31a 2017-11-04 stsp }
188 4027f31a 2017-11-04 stsp
189 257add31 2020-09-09 stsp void
190 50b0790e 2020-09-11 stsp got_repo_get_gitconfig_remotes(int *nremotes,
191 50b0790e 2020-09-11 stsp const struct got_remote_repo **remotes, struct got_repository *repo)
192 257add31 2020-09-09 stsp {
193 50b0790e 2020-09-11 stsp *nremotes = repo->ngitconfig_remotes;
194 50b0790e 2020-09-11 stsp *remotes = repo->gitconfig_remotes;
195 257add31 2020-09-09 stsp }
196 257add31 2020-09-09 stsp
197 4027f31a 2017-11-04 stsp static int
198 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
199 4027f31a 2017-11-04 stsp {
200 6e9da951 2019-01-06 stsp const char *path_git = got_repo_get_path_git_dir(repo);
201 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
202 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
203 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
204 deeca238 2018-03-12 stsp int ret = 0;
205 deeca238 2018-03-12 stsp struct stat sb;
206 4847cca1 2018-03-12 stsp struct got_reference *head_ref;
207 4027f31a 2017-11-04 stsp
208 deeca238 2018-03-12 stsp if (lstat(path_git, &sb) == -1)
209 deeca238 2018-03-12 stsp goto done;
210 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
211 deeca238 2018-03-12 stsp goto done;
212 4027f31a 2017-11-04 stsp
213 deeca238 2018-03-12 stsp if (lstat(path_objects, &sb) == -1)
214 deeca238 2018-03-12 stsp goto done;
215 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
216 deeca238 2018-03-12 stsp goto done;
217 deeca238 2018-03-12 stsp
218 deeca238 2018-03-12 stsp if (lstat(path_refs, &sb) == -1)
219 deeca238 2018-03-12 stsp goto done;
220 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
221 deeca238 2018-03-12 stsp goto done;
222 deeca238 2018-03-12 stsp
223 deeca238 2018-03-12 stsp if (lstat(path_head, &sb) == -1)
224 deeca238 2018-03-12 stsp goto done;
225 deeca238 2018-03-12 stsp if (!S_ISREG(sb.st_mode))
226 deeca238 2018-03-12 stsp goto done;
227 4847cca1 2018-03-12 stsp
228 4847cca1 2018-03-12 stsp /* Check if the HEAD reference can be opened. */
229 2f17228e 2019-05-12 stsp if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
230 4847cca1 2018-03-12 stsp goto done;
231 4847cca1 2018-03-12 stsp got_ref_close(head_ref);
232 4847cca1 2018-03-12 stsp
233 deeca238 2018-03-12 stsp ret = 1;
234 deeca238 2018-03-12 stsp done:
235 4027f31a 2017-11-04 stsp free(path_objects);
236 4027f31a 2017-11-04 stsp free(path_refs);
237 4027f31a 2017-11-04 stsp free(path_head);
238 4027f31a 2017-11-04 stsp return ret;
239 4027f31a 2017-11-04 stsp
240 7bb0daa1 2018-06-21 stsp }
241 7bb0daa1 2018-06-21 stsp
242 f6be5c30 2018-06-22 stsp const struct got_error *
243 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
244 f6be5c30 2018-06-22 stsp struct got_object *obj)
245 f6be5c30 2018-06-22 stsp {
246 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
247 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
248 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
249 79c99a64 2019-05-23 stsp if (err) {
250 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
251 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
252 79c99a64 2019-05-23 stsp err = NULL;
253 f6be5c30 2018-06-22 stsp return err;
254 79c99a64 2019-05-23 stsp }
255 f6be5c30 2018-06-22 stsp obj->refcnt++;
256 ccfe88e6 2018-07-12 stsp #endif
257 f6be5c30 2018-06-22 stsp return NULL;
258 f6be5c30 2018-06-22 stsp }
259 f6be5c30 2018-06-22 stsp
260 7bb0daa1 2018-06-21 stsp struct got_object *
261 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
262 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
263 7bb0daa1 2018-06-21 stsp {
264 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
265 7bb0daa1 2018-06-21 stsp }
266 7bb0daa1 2018-06-21 stsp
267 4027f31a 2017-11-04 stsp const struct got_error *
268 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
269 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
270 f6be5c30 2018-06-22 stsp {
271 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
272 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
273 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
274 79c99a64 2019-05-23 stsp if (err) {
275 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
276 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
277 79c99a64 2019-05-23 stsp err = NULL;
278 f6be5c30 2018-06-22 stsp return err;
279 79c99a64 2019-05-23 stsp }
280 f6be5c30 2018-06-22 stsp tree->refcnt++;
281 ccfe88e6 2018-07-12 stsp #endif
282 f6be5c30 2018-06-22 stsp return NULL;
283 f6be5c30 2018-06-22 stsp }
284 f6be5c30 2018-06-22 stsp
285 f6be5c30 2018-06-22 stsp struct got_tree_object *
286 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
287 f6be5c30 2018-06-22 stsp struct got_object_id *id)
288 f6be5c30 2018-06-22 stsp {
289 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
290 6bef87be 2018-09-11 stsp &repo->treecache, id);
291 1943de01 2018-06-22 stsp }
292 1943de01 2018-06-22 stsp
293 1943de01 2018-06-22 stsp const struct got_error *
294 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
295 1943de01 2018-06-22 stsp struct got_commit_object *commit)
296 1943de01 2018-06-22 stsp {
297 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
298 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
299 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
300 79c99a64 2019-05-23 stsp if (err) {
301 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
302 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
303 79c99a64 2019-05-23 stsp err = NULL;
304 1943de01 2018-06-22 stsp return err;
305 79c99a64 2019-05-23 stsp }
306 1943de01 2018-06-22 stsp commit->refcnt++;
307 ccfe88e6 2018-07-12 stsp #endif
308 f6be5c30 2018-06-22 stsp return NULL;
309 f6be5c30 2018-06-22 stsp }
310 f6be5c30 2018-06-22 stsp
311 1943de01 2018-06-22 stsp struct got_commit_object *
312 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
313 1943de01 2018-06-22 stsp struct got_object_id *id)
314 1943de01 2018-06-22 stsp {
315 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
316 6bef87be 2018-09-11 stsp &repo->commitcache, id);
317 f4a881ce 2018-11-17 stsp }
318 f4a881ce 2018-11-17 stsp
319 f4a881ce 2018-11-17 stsp const struct got_error *
320 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
321 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
322 f4a881ce 2018-11-17 stsp {
323 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
324 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
325 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
326 79c99a64 2019-05-23 stsp if (err) {
327 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
328 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
329 79c99a64 2019-05-23 stsp err = NULL;
330 f4a881ce 2018-11-17 stsp return err;
331 79c99a64 2019-05-23 stsp }
332 f4a881ce 2018-11-17 stsp tag->refcnt++;
333 f4a881ce 2018-11-17 stsp #endif
334 f4a881ce 2018-11-17 stsp return NULL;
335 f4a881ce 2018-11-17 stsp }
336 f4a881ce 2018-11-17 stsp
337 f4a881ce 2018-11-17 stsp struct got_tag_object *
338 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
339 f4a881ce 2018-11-17 stsp {
340 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
341 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
342 8ab9215c 2021-10-15 thomas }
343 8ab9215c 2021-10-15 thomas
344 8ab9215c 2021-10-15 thomas const struct got_error *
345 8ab9215c 2021-10-15 thomas got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
346 8ab9215c 2021-10-15 thomas struct got_raw_object *raw)
347 8ab9215c 2021-10-15 thomas {
348 8ab9215c 2021-10-15 thomas #ifndef GOT_NO_OBJ_CACHE
349 8ab9215c 2021-10-15 thomas const struct got_error *err = NULL;
350 8ab9215c 2021-10-15 thomas err = got_object_cache_add(&repo->rawcache, id, raw);
351 8ab9215c 2021-10-15 thomas if (err) {
352 8ab9215c 2021-10-15 thomas if (err->code == GOT_ERR_OBJ_EXISTS ||
353 8ab9215c 2021-10-15 thomas err->code == GOT_ERR_OBJ_TOO_LARGE)
354 8ab9215c 2021-10-15 thomas err = NULL;
355 8ab9215c 2021-10-15 thomas return err;
356 8ab9215c 2021-10-15 thomas }
357 8ab9215c 2021-10-15 thomas raw->refcnt++;
358 8ab9215c 2021-10-15 thomas #endif
359 8ab9215c 2021-10-15 thomas return NULL;
360 1943de01 2018-06-22 stsp }
361 1943de01 2018-06-22 stsp
362 8ab9215c 2021-10-15 thomas
363 8ab9215c 2021-10-15 thomas struct got_raw_object *
364 8ab9215c 2021-10-15 thomas got_repo_get_cached_raw_object(struct got_repository *repo,
365 8ab9215c 2021-10-15 thomas struct got_object_id *id)
366 8ab9215c 2021-10-15 thomas {
367 8ab9215c 2021-10-15 thomas return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
368 8ab9215c 2021-10-15 thomas }
369 8ab9215c 2021-10-15 thomas
370 8ab9215c 2021-10-15 thomas
371 991ff1aa 2021-06-15 tracey static const struct got_error *
372 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
373 4027f31a 2017-11-04 stsp {
374 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
375 85f51bba 2018-07-16 stsp
376 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
377 6d5a9006 2020-12-16 yzhong
378 85f51bba 2018-07-16 stsp /* bare git repository? */
379 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
380 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
381 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
382 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
383 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
384 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
385 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
386 6d5a9006 2020-12-16 yzhong goto done;
387 6d5a9006 2020-12-16 yzhong }
388 06340621 2021-12-31 thomas repo->gitdir_fd = open(repo->path_git_dir,
389 06340621 2021-12-31 thomas O_DIRECTORY | O_CLOEXEC);
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 06340621 2021-12-31 thomas repo->gitdir_fd = open(repo->path_git_dir,
412 06340621 2021-12-31 thomas O_DIRECTORY | O_CLOEXEC);
413 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
414 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
415 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
416 6d5a9006 2020-12-16 yzhong goto done;
417 6d5a9006 2020-12-16 yzhong }
418 85f51bba 2018-07-16 stsp return NULL;
419 85f51bba 2018-07-16 stsp }
420 85f51bba 2018-07-16 stsp
421 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
422 ee645855 2019-02-05 stsp done:
423 85f51bba 2018-07-16 stsp if (err) {
424 ee645855 2019-02-05 stsp free(repo->path);
425 ee645855 2019-02-05 stsp repo->path = NULL;
426 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
427 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
428 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
429 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
430 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
431 6d5a9006 2020-12-16 yzhong
432 aba9c984 2019-09-08 stsp }
433 aba9c984 2019-09-08 stsp return err;
434 aba9c984 2019-09-08 stsp }
435 aba9c984 2019-09-08 stsp
436 aba9c984 2019-09-08 stsp static const struct got_error *
437 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
438 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
439 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
440 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
441 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
442 aba9c984 2019-09-08 stsp {
443 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
444 aba9c984 2019-09-08 stsp int fd = -1;
445 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
446 aba9c984 2019-09-08 stsp pid_t pid;
447 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
448 aba9c984 2019-09-08 stsp
449 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
450 20b7abb3 2020-10-22 stsp if (extensions)
451 20b7abb3 2020-10-22 stsp *extensions = NULL;
452 20b7abb3 2020-10-22 stsp if (nextensions)
453 20b7abb3 2020-10-22 stsp *nextensions = 0;
454 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
455 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
456 2fb669fb 2020-03-20 stsp if (remotes)
457 2fb669fb 2020-03-20 stsp *remotes = NULL;
458 2fb669fb 2020-03-20 stsp if (nremotes)
459 2fb669fb 2020-03-20 stsp *nremotes = 0;
460 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
461 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
462 aba9c984 2019-09-08 stsp
463 06340621 2021-12-31 thomas fd = open(gitconfig_path, O_RDONLY | O_CLOEXEC);
464 aba9c984 2019-09-08 stsp if (fd == -1) {
465 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
466 aba9c984 2019-09-08 stsp return NULL;
467 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
468 aba9c984 2019-09-08 stsp }
469 aba9c984 2019-09-08 stsp
470 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
471 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
472 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
473 aba9c984 2019-09-08 stsp goto done;
474 aba9c984 2019-09-08 stsp }
475 aba9c984 2019-09-08 stsp
476 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
477 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
478 aba9c984 2019-09-08 stsp goto done;
479 aba9c984 2019-09-08 stsp }
480 aba9c984 2019-09-08 stsp
481 aba9c984 2019-09-08 stsp pid = fork();
482 aba9c984 2019-09-08 stsp if (pid == -1) {
483 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
484 aba9c984 2019-09-08 stsp goto done;
485 aba9c984 2019-09-08 stsp } else if (pid == 0) {
486 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
487 c9956ddf 2019-09-08 stsp gitconfig_path);
488 aba9c984 2019-09-08 stsp /* not reached */
489 aba9c984 2019-09-08 stsp }
490 aba9c984 2019-09-08 stsp
491 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
492 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
493 aba9c984 2019-09-08 stsp goto done;
494 85f51bba 2018-07-16 stsp }
495 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
496 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
497 aba9c984 2019-09-08 stsp
498 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
499 aba9c984 2019-09-08 stsp if (err)
500 aba9c984 2019-09-08 stsp goto done;
501 aba9c984 2019-09-08 stsp fd = -1;
502 aba9c984 2019-09-08 stsp
503 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
504 aba9c984 2019-09-08 stsp if (err)
505 aba9c984 2019-09-08 stsp goto done;
506 aba9c984 2019-09-08 stsp
507 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
508 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
509 aba9c984 2019-09-08 stsp if (err)
510 aba9c984 2019-09-08 stsp goto done;
511 aba9c984 2019-09-08 stsp
512 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
513 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
514 20b7abb3 2020-10-22 stsp ibuf);
515 20b7abb3 2020-10-22 stsp if (err)
516 20b7abb3 2020-10-22 stsp goto done;
517 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
518 20b7abb3 2020-10-22 stsp if (err)
519 20b7abb3 2020-10-22 stsp goto done;
520 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
521 20b7abb3 2020-10-22 stsp int i;
522 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
523 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
524 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
525 20b7abb3 2020-10-22 stsp goto done;
526 20b7abb3 2020-10-22 stsp }
527 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
528 20b7abb3 2020-10-22 stsp char *ext;
529 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
530 20b7abb3 2020-10-22 stsp ibuf);
531 20b7abb3 2020-10-22 stsp if (err)
532 20b7abb3 2020-10-22 stsp goto done;
533 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
534 20b7abb3 2020-10-22 stsp }
535 20b7abb3 2020-10-22 stsp }
536 20b7abb3 2020-10-22 stsp }
537 20b7abb3 2020-10-22 stsp
538 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
539 aba9c984 2019-09-08 stsp if (err)
540 aba9c984 2019-09-08 stsp goto done;
541 aba9c984 2019-09-08 stsp
542 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
543 aba9c984 2019-09-08 stsp if (err)
544 aba9c984 2019-09-08 stsp goto done;
545 aba9c984 2019-09-08 stsp
546 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
547 aba9c984 2019-09-08 stsp if (err)
548 aba9c984 2019-09-08 stsp goto done;
549 aba9c984 2019-09-08 stsp
550 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
551 aba9c984 2019-09-08 stsp if (err)
552 aba9c984 2019-09-08 stsp goto done;
553 cd95becd 2019-11-29 stsp
554 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
555 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
556 cd95becd 2019-11-29 stsp if (err)
557 cd95becd 2019-11-29 stsp goto done;
558 cd95becd 2019-11-29 stsp
559 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
560 cd95becd 2019-11-29 stsp nremotes, ibuf);
561 9a1cc63f 2020-02-03 stsp if (err)
562 9a1cc63f 2020-02-03 stsp goto done;
563 9a1cc63f 2020-02-03 stsp }
564 9a1cc63f 2020-02-03 stsp
565 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
566 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
567 cd95becd 2019-11-29 stsp if (err)
568 cd95becd 2019-11-29 stsp goto done;
569 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
570 9a1cc63f 2020-02-03 stsp if (err)
571 9a1cc63f 2020-02-03 stsp goto done;
572 cd95becd 2019-11-29 stsp }
573 aba9c984 2019-09-08 stsp
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 d224ad33 2022-03-22 thomas static const char *const 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 58cbcd83 2022-03-22 thomas if (repo == NULL)
662 58cbcd83 2022-03-22 thomas return got_error_from_errno("calloc");
663 4545b700 2021-10-15 thomas
664 cfe41121 2021-10-16 thomas RB_INIT(&repo->packidx_bloom_filters);
665 de47d040 2022-03-22 thomas TAILQ_INIT(&repo->packidx_paths);
666 4027f31a 2017-11-04 stsp
667 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
668 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
669 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
670 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
671 ad242220 2018-09-08 stsp }
672 ad242220 2018-09-08 stsp
673 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
674 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
675 6bef87be 2018-09-11 stsp if (err)
676 f6be5c30 2018-06-22 stsp goto done;
677 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
678 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
679 6bef87be 2018-09-11 stsp if (err)
680 1943de01 2018-06-22 stsp goto done;
681 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
682 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
683 6bef87be 2018-09-11 stsp if (err)
684 eb77ee11 2018-07-08 stsp goto done;
685 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
686 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
687 f4a881ce 2018-11-17 stsp if (err)
688 f4a881ce 2018-11-17 stsp goto done;
689 8ab9215c 2021-10-15 thomas err = got_object_cache_init(&repo->rawcache,
690 8ab9215c 2021-10-15 thomas GOT_OBJECT_CACHE_TYPE_RAW);
691 8ab9215c 2021-10-15 thomas if (err)
692 8ab9215c 2021-10-15 thomas goto done;
693 1943de01 2018-06-22 stsp
694 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
695 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
696 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
697 6c414261 2021-03-30 stsp
698 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
699 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
700 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
701 92af5469 2017-11-05 stsp goto done;
702 92af5469 2017-11-05 stsp }
703 4027f31a 2017-11-04 stsp
704 aff6eea4 2020-10-20 stsp for (;;) {
705 aff6eea4 2020-10-20 stsp char *parent_path;
706 aff6eea4 2020-10-20 stsp
707 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
708 85f51bba 2018-07-16 stsp if (err == NULL)
709 85f51bba 2018-07-16 stsp break;
710 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
711 9aceaadf 2020-10-20 stsp goto done;
712 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
713 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
714 0c93d204 2020-10-20 stsp goto done;
715 442a3ddc 2018-04-23 stsp }
716 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
717 aff6eea4 2020-10-20 stsp if (err)
718 f2db9c47 2019-08-24 stsp goto done;
719 aff6eea4 2020-10-20 stsp free(repo_path);
720 aff6eea4 2020-10-20 stsp repo_path = parent_path;
721 aff6eea4 2020-10-20 stsp }
722 1d126e2d 2019-08-24 stsp
723 257add31 2020-09-09 stsp err = read_gotconfig(repo);
724 257add31 2020-09-09 stsp if (err)
725 257add31 2020-09-09 stsp goto done;
726 257add31 2020-09-09 stsp
727 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
728 1d126e2d 2019-08-24 stsp if (err)
729 1d126e2d 2019-08-24 stsp goto done;
730 aba9c984 2019-09-08 stsp if (repo->gitconfig_repository_format_version != 0)
731 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
732 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
733 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
734 20b7abb3 2020-10-22 stsp int j, supported = 0;
735 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
736 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
737 20b7abb3 2020-10-22 stsp supported = 1;
738 20b7abb3 2020-10-22 stsp break;
739 20b7abb3 2020-10-22 stsp }
740 20b7abb3 2020-10-22 stsp }
741 20b7abb3 2020-10-22 stsp if (!supported) {
742 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
743 20b7abb3 2020-10-22 stsp goto done;
744 20b7abb3 2020-10-22 stsp }
745 20b7abb3 2020-10-22 stsp }
746 de47d040 2022-03-22 thomas
747 de47d040 2022-03-22 thomas err = got_repo_list_packidx(&repo->packidx_paths, repo);
748 92af5469 2017-11-05 stsp done:
749 92af5469 2017-11-05 stsp if (err)
750 5c2f5761 2018-09-19 stsp got_repo_close(repo);
751 85f51bba 2018-07-16 stsp else
752 85f51bba 2018-07-16 stsp *repop = repo;
753 aff6eea4 2020-10-20 stsp free(repo_path);
754 92af5469 2017-11-05 stsp return err;
755 4027f31a 2017-11-04 stsp }
756 4027f31a 2017-11-04 stsp
757 ad242220 2018-09-08 stsp const struct got_error *
758 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
759 4027f31a 2017-11-04 stsp {
760 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
761 0be8fa4c 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
762 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
763 16aeacf7 2020-11-26 stsp size_t i;
764 79b11c62 2018-03-09 stsp
765 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
766 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
767 79b11c62 2018-03-09 stsp break;
768 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
769 4545b700 2021-10-15 thomas }
770 4545b700 2021-10-15 thomas
771 cfe41121 2021-10-16 thomas while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
772 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters))) {
773 cfe41121 2021-10-16 thomas RB_REMOVE(got_packidx_bloom_filter_tree,
774 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
775 4545b700 2021-10-15 thomas free(bf->bloom);
776 4545b700 2021-10-15 thomas free(bf);
777 79b11c62 2018-03-09 stsp }
778 bd1223b9 2018-03-14 stsp
779 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
780 7e656b93 2018-03-17 stsp if (repo->packs[i].path_packfile == NULL)
781 7e656b93 2018-03-17 stsp break;
782 7e656b93 2018-03-17 stsp got_pack_close(&repo->packs[i]);
783 7e656b93 2018-03-17 stsp }
784 7e656b93 2018-03-17 stsp
785 4027f31a 2017-11-04 stsp free(repo->path);
786 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
787 cd717821 2018-06-22 stsp
788 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
789 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
790 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
791 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
792 8ab9215c 2021-10-15 thomas got_object_cache_close(&repo->rawcache);
793 ad242220 2018-09-08 stsp
794 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
795 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
796 ad242220 2018-09-08 stsp continue;
797 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
798 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
799 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
800 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
801 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
802 ad242220 2018-09-08 stsp if (child_err && err == NULL)
803 ad242220 2018-09-08 stsp err = child_err;
804 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
805 3a6ce05a 2019-02-11 stsp err == NULL)
806 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
807 ad242220 2018-09-08 stsp }
808 aba9c984 2019-09-08 stsp
809 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
810 1d0f4054 2021-06-17 stsp err == NULL)
811 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
812 991ff1aa 2021-06-15 tracey
813 50b0790e 2020-09-11 stsp if (repo->gotconfig)
814 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
815 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
816 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
817 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
818 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
819 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
820 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
821 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
822 20b7abb3 2020-10-22 stsp free(repo->extensions);
823 de47d040 2022-03-22 thomas
824 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry)
825 de47d040 2022-03-22 thomas free((void *)pe->path);
826 de47d040 2022-03-22 thomas got_pathlist_free(&repo->packidx_paths);
827 4027f31a 2017-11-04 stsp free(repo);
828 ad242220 2018-09-08 stsp
829 ad242220 2018-09-08 stsp return err;
830 b8adfa55 2020-09-25 stsp }
831 b8adfa55 2020-09-25 stsp
832 b8adfa55 2020-09-25 stsp void
833 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
834 b8adfa55 2020-09-25 stsp {
835 b8adfa55 2020-09-25 stsp int i;
836 b8adfa55 2020-09-25 stsp
837 b8adfa55 2020-09-25 stsp free(repo->name);
838 b8adfa55 2020-09-25 stsp repo->name = NULL;
839 6480c871 2021-08-30 stsp free(repo->fetch_url);
840 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
841 6480c871 2021-08-30 stsp free(repo->send_url);
842 6480c871 2021-08-30 stsp repo->send_url = NULL;
843 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
844 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
845 6480c871 2021-08-30 stsp free(repo->fetch_branches);
846 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
847 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
848 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
849 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
850 6480c871 2021-08-30 stsp free(repo->send_branches);
851 6480c871 2021-08-30 stsp repo->send_branches = NULL;
852 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
853 4027f31a 2017-11-04 stsp }
854 04ca23f4 2018-07-16 stsp
855 04ca23f4 2018-07-16 stsp const struct got_error *
856 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
857 8fa913ec 2020-11-14 stsp const char *input_path)
858 04ca23f4 2018-07-16 stsp {
859 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
860 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
861 e83c0634 2020-01-27 stsp size_t repolen, len;
862 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
863 04ca23f4 2018-07-16 stsp
864 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
865 04ca23f4 2018-07-16 stsp
866 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
867 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
868 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
869 04ca23f4 2018-07-16 stsp goto done;
870 04ca23f4 2018-07-16 stsp }
871 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
872 04ca23f4 2018-07-16 stsp if (err)
873 04ca23f4 2018-07-16 stsp goto done;
874 04ca23f4 2018-07-16 stsp
875 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
876 04ca23f4 2018-07-16 stsp
877 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
878 23721109 2018-10-22 stsp path = strdup(canonpath);
879 b70703ad 2019-03-18 stsp if (path == NULL) {
880 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
881 04ca23f4 2018-07-16 stsp goto done;
882 04ca23f4 2018-07-16 stsp }
883 04ca23f4 2018-07-16 stsp } else {
884 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
885 04ca23f4 2018-07-16 stsp if (path == NULL) {
886 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
887 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
888 230a42bd 2019-05-11 jcs canonpath);
889 b70703ad 2019-03-18 stsp goto done;
890 b70703ad 2019-03-18 stsp }
891 b70703ad 2019-03-18 stsp /*
892 b70703ad 2019-03-18 stsp * Path is not on disk.
893 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
894 b70703ad 2019-03-18 stsp */
895 b70703ad 2019-03-18 stsp path = strdup(canonpath);
896 b70703ad 2019-03-18 stsp if (path == NULL) {
897 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
898 b70703ad 2019-03-18 stsp goto done;
899 b70703ad 2019-03-18 stsp }
900 04ca23f4 2018-07-16 stsp }
901 04ca23f4 2018-07-16 stsp
902 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
903 04ca23f4 2018-07-16 stsp len = strlen(path);
904 04ca23f4 2018-07-16 stsp
905 04ca23f4 2018-07-16 stsp
906 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
907 04ca23f4 2018-07-16 stsp free(path);
908 04ca23f4 2018-07-16 stsp path = strdup("");
909 04ca23f4 2018-07-16 stsp if (path == NULL) {
910 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
911 04ca23f4 2018-07-16 stsp goto done;
912 04ca23f4 2018-07-16 stsp }
913 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
914 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
915 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
916 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
917 04ca23f4 2018-07-16 stsp /*
918 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
919 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
920 04ca23f4 2018-07-16 stsp */
921 abc59930 2021-09-05 naddy free(path);
922 abc59930 2021-09-05 naddy path = canonpath;
923 abc59930 2021-09-05 naddy canonpath = NULL;
924 04ca23f4 2018-07-16 stsp } else {
925 04ca23f4 2018-07-16 stsp char *child;
926 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
927 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
928 04ca23f4 2018-07-16 stsp repo_abspath, path);
929 04ca23f4 2018-07-16 stsp if (err)
930 04ca23f4 2018-07-16 stsp goto done;
931 04ca23f4 2018-07-16 stsp free(path);
932 04ca23f4 2018-07-16 stsp path = child;
933 04ca23f4 2018-07-16 stsp }
934 04ca23f4 2018-07-16 stsp } else {
935 04ca23f4 2018-07-16 stsp /*
936 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
937 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
938 04ca23f4 2018-07-16 stsp */
939 abc59930 2021-09-05 naddy free(path);
940 abc59930 2021-09-05 naddy path = canonpath;
941 abc59930 2021-09-05 naddy canonpath = NULL;
942 04ca23f4 2018-07-16 stsp }
943 04ca23f4 2018-07-16 stsp }
944 04ca23f4 2018-07-16 stsp
945 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
946 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
947 04ca23f4 2018-07-16 stsp char *abspath;
948 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
949 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
950 04ca23f4 2018-07-16 stsp goto done;
951 04ca23f4 2018-07-16 stsp }
952 04ca23f4 2018-07-16 stsp free(path);
953 04ca23f4 2018-07-16 stsp path = abspath;
954 04ca23f4 2018-07-16 stsp }
955 04ca23f4 2018-07-16 stsp
956 04ca23f4 2018-07-16 stsp done:
957 04ca23f4 2018-07-16 stsp free(canonpath);
958 04ca23f4 2018-07-16 stsp if (err)
959 04ca23f4 2018-07-16 stsp free(path);
960 04ca23f4 2018-07-16 stsp else
961 04ca23f4 2018-07-16 stsp *in_repo_path = path;
962 1510f469 2018-09-09 stsp return err;
963 1510f469 2018-09-09 stsp }
964 1510f469 2018-09-09 stsp
965 e1a68182 2020-01-07 stsp static const struct got_error *
966 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
967 e1a68182 2020-01-07 stsp const char *path_packidx)
968 1510f469 2018-09-09 stsp {
969 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
970 16aeacf7 2020-11-26 stsp size_t i;
971 1510f469 2018-09-09 stsp
972 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
973 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
974 1510f469 2018-09-09 stsp break;
975 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
976 e1a68182 2020-01-07 stsp path_packidx) == 0) {
977 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
978 e1a68182 2020-01-07 stsp }
979 1510f469 2018-09-09 stsp }
980 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
981 3333aec6 2021-10-15 thomas i = repo->pack_cache_size - 1;
982 3333aec6 2021-10-15 thomas err = got_packidx_close(repo->packidx_cache[i]);
983 1510f469 2018-09-09 stsp if (err)
984 1510f469 2018-09-09 stsp return err;
985 1510f469 2018-09-09 stsp }
986 1510f469 2018-09-09 stsp
987 3333aec6 2021-10-15 thomas repo->packidx_cache[i] = packidx;
988 15fe583f 2018-11-05 stsp
989 1510f469 2018-09-09 stsp return NULL;
990 1510f469 2018-09-09 stsp }
991 1510f469 2018-09-09 stsp
992 1124fe40 2021-07-07 stsp int
993 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
994 1510f469 2018-09-09 stsp {
995 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
996 1510f469 2018-09-09 stsp return 0;
997 1510f469 2018-09-09 stsp
998 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
999 1510f469 2018-09-09 stsp return 0;
1000 1510f469 2018-09-09 stsp
1001 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
1002 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
1003 1510f469 2018-09-09 stsp return 0;
1004 4545b700 2021-10-15 thomas
1005 4545b700 2021-10-15 thomas return 1;
1006 0be8fa4c 2021-10-15 thomas }
1007 0be8fa4c 2021-10-15 thomas
1008 cfe41121 2021-10-16 thomas static struct got_packidx_bloom_filter *
1009 cfe41121 2021-10-16 thomas get_packidx_bloom_filter(struct got_repository *repo,
1010 cfe41121 2021-10-16 thomas const char *path, size_t path_len)
1011 cfe41121 2021-10-16 thomas {
1012 cfe41121 2021-10-16 thomas struct got_packidx_bloom_filter key;
1013 cfe41121 2021-10-16 thomas
1014 cfe41121 2021-10-16 thomas if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
1015 cfe41121 2021-10-16 thomas return NULL; /* XXX */
1016 cfe41121 2021-10-16 thomas key.path_len = path_len;
1017 cfe41121 2021-10-16 thomas
1018 cfe41121 2021-10-16 thomas return RB_FIND(got_packidx_bloom_filter_tree,
1019 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, &key);
1020 cfe41121 2021-10-16 thomas }
1021 cfe41121 2021-10-16 thomas
1022 f9c2e8e5 2022-02-13 thomas int
1023 f9c2e8e5 2022-02-13 thomas got_repo_check_packidx_bloom_filter(struct got_repository *repo,
1024 4545b700 2021-10-15 thomas const char *path_packidx, struct got_object_id *id)
1025 4545b700 2021-10-15 thomas {
1026 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1027 4545b700 2021-10-15 thomas
1028 cfe41121 2021-10-16 thomas bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
1029 cfe41121 2021-10-16 thomas if (bf)
1030 cfe41121 2021-10-16 thomas return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
1031 1510f469 2018-09-09 stsp
1032 4545b700 2021-10-15 thomas /* No bloom filter means this pack index must be searched. */
1033 1510f469 2018-09-09 stsp return 1;
1034 4545b700 2021-10-15 thomas }
1035 4545b700 2021-10-15 thomas
1036 4545b700 2021-10-15 thomas static const struct got_error *
1037 4545b700 2021-10-15 thomas add_packidx_bloom_filter(struct got_repository *repo,
1038 4545b700 2021-10-15 thomas struct got_packidx *packidx, const char *path_packidx)
1039 4545b700 2021-10-15 thomas {
1040 4545b700 2021-10-15 thomas int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1041 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1042 4545b700 2021-10-15 thomas size_t len;
1043 4545b700 2021-10-15 thomas
1044 4545b700 2021-10-15 thomas /*
1045 4545b700 2021-10-15 thomas * Don't use bloom filters for very large pack index files.
1046 4545b700 2021-10-15 thomas * Large pack files will contain a relatively large fraction
1047 4545b700 2021-10-15 thomas * of our objects so we will likely need to visit them anyway.
1048 4545b700 2021-10-15 thomas * The more objects a pack file contains the higher the probability
1049 4545b700 2021-10-15 thomas * of a false-positive match from the bloom filter. And reading
1050 4545b700 2021-10-15 thomas * all object IDs from a large pack index file can be expensive.
1051 4545b700 2021-10-15 thomas */
1052 4545b700 2021-10-15 thomas if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1053 4545b700 2021-10-15 thomas return NULL;
1054 4545b700 2021-10-15 thomas
1055 4545b700 2021-10-15 thomas /* Do we already have a filter for this pack index? */
1056 cfe41121 2021-10-16 thomas if (get_packidx_bloom_filter(repo, path_packidx,
1057 cfe41121 2021-10-16 thomas strlen(path_packidx)) != NULL)
1058 cfe41121 2021-10-16 thomas return NULL;
1059 4545b700 2021-10-15 thomas
1060 4545b700 2021-10-15 thomas bf = calloc(1, sizeof(*bf));
1061 4545b700 2021-10-15 thomas if (bf == NULL)
1062 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1063 4545b700 2021-10-15 thomas bf->bloom = calloc(1, sizeof(*bf->bloom));
1064 4545b700 2021-10-15 thomas if (bf->bloom == NULL) {
1065 4545b700 2021-10-15 thomas free(bf);
1066 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1067 4545b700 2021-10-15 thomas }
1068 4545b700 2021-10-15 thomas
1069 cfe41121 2021-10-16 thomas len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1070 cfe41121 2021-10-16 thomas if (len >= sizeof(bf->path)) {
1071 4545b700 2021-10-15 thomas free(bf->bloom);
1072 4545b700 2021-10-15 thomas free(bf);
1073 4545b700 2021-10-15 thomas return got_error(GOT_ERR_NO_SPACE);
1074 4545b700 2021-10-15 thomas }
1075 cfe41121 2021-10-16 thomas bf->path_len = len;
1076 4545b700 2021-10-15 thomas
1077 4545b700 2021-10-15 thomas /* Minimum size supported by our bloom filter is 1000 entries. */
1078 4545b700 2021-10-15 thomas bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1079 4545b700 2021-10-15 thomas for (i = 0; i < nobjects; i++) {
1080 4545b700 2021-10-15 thomas struct got_packidx_object_id *id;
1081 4545b700 2021-10-15 thomas id = &packidx->hdr.sorted_ids[i];
1082 4545b700 2021-10-15 thomas bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1083 4545b700 2021-10-15 thomas }
1084 4545b700 2021-10-15 thomas
1085 cfe41121 2021-10-16 thomas RB_INSERT(got_packidx_bloom_filter_tree,
1086 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
1087 4545b700 2021-10-15 thomas return NULL;
1088 1510f469 2018-09-09 stsp }
1089 1510f469 2018-09-09 stsp
1090 1510f469 2018-09-09 stsp const struct got_error *
1091 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1092 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
1093 1510f469 2018-09-09 stsp {
1094 1510f469 2018-09-09 stsp const struct got_error *err;
1095 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
1096 16aeacf7 2020-11-26 stsp size_t i;
1097 1510f469 2018-09-09 stsp
1098 1510f469 2018-09-09 stsp /* Search pack index cache. */
1099 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1100 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1101 1510f469 2018-09-09 stsp break;
1102 f9c2e8e5 2022-02-13 thomas if (!got_repo_check_packidx_bloom_filter(repo,
1103 4545b700 2021-10-15 thomas repo->packidx_cache[i]->path_packidx, id))
1104 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1105 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1106 1510f469 2018-09-09 stsp if (*idx != -1) {
1107 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
1108 87c1ed2b 2020-01-07 stsp /*
1109 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
1110 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
1111 87c1ed2b 2020-01-07 stsp */
1112 87c1ed2b 2020-01-07 stsp if (i > 0) {
1113 3333aec6 2021-10-15 thomas memmove(&repo->packidx_cache[1],
1114 3333aec6 2021-10-15 thomas &repo->packidx_cache[0],
1115 3333aec6 2021-10-15 thomas i * sizeof(repo->packidx_cache[0]));
1116 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
1117 87c1ed2b 2020-01-07 stsp }
1118 1510f469 2018-09-09 stsp return NULL;
1119 1510f469 2018-09-09 stsp }
1120 1510f469 2018-09-09 stsp }
1121 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
1122 1510f469 2018-09-09 stsp
1123 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1124 de47d040 2022-03-22 thomas const char *path_packidx = pe->path;
1125 e1a68182 2020-01-07 stsp int is_cached = 0;
1126 e1a68182 2020-01-07 stsp
1127 f9c2e8e5 2022-02-13 thomas if (!got_repo_check_packidx_bloom_filter(repo,
1128 de47d040 2022-03-22 thomas pe->path, id))
1129 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1130 4545b700 2021-10-15 thomas
1131 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1132 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1133 e1a68182 2020-01-07 stsp break;
1134 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1135 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1136 e1a68182 2020-01-07 stsp is_cached = 1;
1137 e1a68182 2020-01-07 stsp break;
1138 e1a68182 2020-01-07 stsp }
1139 1510f469 2018-09-09 stsp }
1140 de47d040 2022-03-22 thomas if (is_cached)
1141 e1a68182 2020-01-07 stsp continue; /* already searched */
1142 1510f469 2018-09-09 stsp
1143 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1144 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1145 de47d040 2022-03-22 thomas if (err)
1146 e1a68182 2020-01-07 stsp goto done;
1147 e1a68182 2020-01-07 stsp
1148 4545b700 2021-10-15 thomas err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1149 de47d040 2022-03-22 thomas if (err)
1150 4545b700 2021-10-15 thomas goto done;
1151 4545b700 2021-10-15 thomas
1152 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1153 1510f469 2018-09-09 stsp if (err)
1154 1510f469 2018-09-09 stsp goto done;
1155 1510f469 2018-09-09 stsp
1156 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1157 1510f469 2018-09-09 stsp if (*idx != -1) {
1158 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1159 1510f469 2018-09-09 stsp goto done;
1160 1510f469 2018-09-09 stsp }
1161 1510f469 2018-09-09 stsp }
1162 1510f469 2018-09-09 stsp
1163 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1164 1510f469 2018-09-09 stsp done:
1165 04ca23f4 2018-07-16 stsp return err;
1166 04ca23f4 2018-07-16 stsp }
1167 1510f469 2018-09-09 stsp
1168 f9c2e8e5 2022-02-13 thomas const struct got_error *
1169 f9c2e8e5 2022-02-13 thomas got_repo_list_packidx(struct got_pathlist_head *packidx_paths,
1170 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
1171 f9c2e8e5 2022-02-13 thomas {
1172 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
1173 f9c2e8e5 2022-02-13 thomas DIR *packdir = NULL;
1174 f9c2e8e5 2022-02-13 thomas struct dirent *dent;
1175 f9c2e8e5 2022-02-13 thomas char *path_packidx = NULL;
1176 f9c2e8e5 2022-02-13 thomas int packdir_fd;
1177 f9c2e8e5 2022-02-13 thomas
1178 f9c2e8e5 2022-02-13 thomas packdir_fd = openat(got_repo_get_fd(repo),
1179 f9c2e8e5 2022-02-13 thomas GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1180 f9c2e8e5 2022-02-13 thomas if (packdir_fd == -1) {
1181 f9c2e8e5 2022-02-13 thomas return got_error_from_errno_fmt("openat: %s/%s",
1182 f9c2e8e5 2022-02-13 thomas got_repo_get_path_git_dir(repo),
1183 f9c2e8e5 2022-02-13 thomas GOT_OBJECTS_PACK_DIR);
1184 f9c2e8e5 2022-02-13 thomas }
1185 f9c2e8e5 2022-02-13 thomas
1186 f9c2e8e5 2022-02-13 thomas packdir = fdopendir(packdir_fd);
1187 f9c2e8e5 2022-02-13 thomas if (packdir == NULL) {
1188 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fdopendir");
1189 f9c2e8e5 2022-02-13 thomas goto done;
1190 f9c2e8e5 2022-02-13 thomas }
1191 f9c2e8e5 2022-02-13 thomas
1192 f9c2e8e5 2022-02-13 thomas while ((dent = readdir(packdir)) != NULL) {
1193 9389bcf6 2022-02-13 thomas if (!got_repo_is_packidx_filename(dent->d_name,
1194 9389bcf6 2022-02-13 thomas strlen(dent->d_name)))
1195 f9c2e8e5 2022-02-13 thomas continue;
1196 f9c2e8e5 2022-02-13 thomas
1197 f9c2e8e5 2022-02-13 thomas if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1198 f9c2e8e5 2022-02-13 thomas dent->d_name) == -1) {
1199 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("asprintf");
1200 f9c2e8e5 2022-02-13 thomas path_packidx = NULL;
1201 f9c2e8e5 2022-02-13 thomas break;
1202 f9c2e8e5 2022-02-13 thomas }
1203 f9c2e8e5 2022-02-13 thomas
1204 f9c2e8e5 2022-02-13 thomas err = got_pathlist_append(packidx_paths, path_packidx, NULL);
1205 f9c2e8e5 2022-02-13 thomas if (err)
1206 f9c2e8e5 2022-02-13 thomas break;
1207 f9c2e8e5 2022-02-13 thomas }
1208 f9c2e8e5 2022-02-13 thomas done:
1209 f9c2e8e5 2022-02-13 thomas if (err)
1210 f9c2e8e5 2022-02-13 thomas free(path_packidx);
1211 f9c2e8e5 2022-02-13 thomas if (packdir && closedir(packdir) != 0 && err == NULL)
1212 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("closedir");
1213 f9c2e8e5 2022-02-13 thomas return err;
1214 f9c2e8e5 2022-02-13 thomas }
1215 f9c2e8e5 2022-02-13 thomas
1216 f9c2e8e5 2022-02-13 thomas const struct got_error *
1217 f9c2e8e5 2022-02-13 thomas got_repo_get_packidx(struct got_packidx **packidx, const char *path_packidx,
1218 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
1219 f9c2e8e5 2022-02-13 thomas {
1220 f9c2e8e5 2022-02-13 thomas const struct got_error *err;
1221 f9c2e8e5 2022-02-13 thomas size_t i;
1222 f9c2e8e5 2022-02-13 thomas
1223 f9c2e8e5 2022-02-13 thomas *packidx = NULL;
1224 f9c2e8e5 2022-02-13 thomas
1225 f9c2e8e5 2022-02-13 thomas /* Search pack index cache. */
1226 f9c2e8e5 2022-02-13 thomas for (i = 0; i < repo->pack_cache_size; i++) {
1227 f9c2e8e5 2022-02-13 thomas if (repo->packidx_cache[i] == NULL)
1228 f9c2e8e5 2022-02-13 thomas break;
1229 f9c2e8e5 2022-02-13 thomas if (strcmp(repo->packidx_cache[i]->path_packidx,
1230 f9c2e8e5 2022-02-13 thomas path_packidx) == 0) {
1231 f9c2e8e5 2022-02-13 thomas *packidx = repo->packidx_cache[i];
1232 f9c2e8e5 2022-02-13 thomas return NULL;
1233 f9c2e8e5 2022-02-13 thomas }
1234 f9c2e8e5 2022-02-13 thomas }
1235 f9c2e8e5 2022-02-13 thomas /* No luck. Search the filesystem. */
1236 f9c2e8e5 2022-02-13 thomas
1237 f9c2e8e5 2022-02-13 thomas err = got_packidx_open(packidx, got_repo_get_fd(repo),
1238 f9c2e8e5 2022-02-13 thomas path_packidx, 0);
1239 f9c2e8e5 2022-02-13 thomas if (err)
1240 f9c2e8e5 2022-02-13 thomas return err;
1241 f9c2e8e5 2022-02-13 thomas
1242 f9c2e8e5 2022-02-13 thomas err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1243 f9c2e8e5 2022-02-13 thomas if (err)
1244 f9c2e8e5 2022-02-13 thomas goto done;
1245 f9c2e8e5 2022-02-13 thomas
1246 f9c2e8e5 2022-02-13 thomas err = cache_packidx(repo, *packidx, path_packidx);
1247 f9c2e8e5 2022-02-13 thomas done:
1248 f9c2e8e5 2022-02-13 thomas if (err) {
1249 f9c2e8e5 2022-02-13 thomas got_packidx_close(*packidx);
1250 f9c2e8e5 2022-02-13 thomas *packidx = NULL;
1251 f9c2e8e5 2022-02-13 thomas }
1252 f9c2e8e5 2022-02-13 thomas return err;
1253 f9c2e8e5 2022-02-13 thomas }
1254 f9c2e8e5 2022-02-13 thomas
1255 1510f469 2018-09-09 stsp static const struct got_error *
1256 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1257 1510f469 2018-09-09 stsp {
1258 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1259 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1260 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1261 1510f469 2018-09-09 stsp ssize_t n;
1262 1510f469 2018-09-09 stsp
1263 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1264 1510f469 2018-09-09 stsp if (n < 0)
1265 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1266 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1267 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1268 1510f469 2018-09-09 stsp
1269 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1270 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1271 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1272 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1273 1510f469 2018-09-09 stsp
1274 1510f469 2018-09-09 stsp return err;
1275 1510f469 2018-09-09 stsp }
1276 1510f469 2018-09-09 stsp
1277 1510f469 2018-09-09 stsp static const struct got_error *
1278 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1279 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1280 1510f469 2018-09-09 stsp {
1281 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1282 1510f469 2018-09-09 stsp
1283 fc63f50d 2021-12-31 thomas *fd = openat(got_repo_get_fd(repo), relpath,
1284 fc63f50d 2021-12-31 thomas O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
1285 1510f469 2018-09-09 stsp if (*fd == -1)
1286 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1287 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1288 1510f469 2018-09-09 stsp
1289 1510f469 2018-09-09 stsp if (packidx) {
1290 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1291 1510f469 2018-09-09 stsp if (err) {
1292 1510f469 2018-09-09 stsp close(*fd);
1293 1510f469 2018-09-09 stsp *fd = -1;
1294 1510f469 2018-09-09 stsp }
1295 1510f469 2018-09-09 stsp }
1296 1510f469 2018-09-09 stsp
1297 1510f469 2018-09-09 stsp return err;
1298 1510f469 2018-09-09 stsp }
1299 1510f469 2018-09-09 stsp
1300 1510f469 2018-09-09 stsp const struct got_error *
1301 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1302 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1303 1510f469 2018-09-09 stsp {
1304 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1305 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1306 ff563a3d 2019-05-23 stsp struct stat sb;
1307 16aeacf7 2020-11-26 stsp size_t i;
1308 1510f469 2018-09-09 stsp
1309 1510f469 2018-09-09 stsp if (packp)
1310 1510f469 2018-09-09 stsp *packp = NULL;
1311 1510f469 2018-09-09 stsp
1312 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1313 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1314 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1315 1510f469 2018-09-09 stsp break;
1316 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1317 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1318 1510f469 2018-09-09 stsp }
1319 1510f469 2018-09-09 stsp
1320 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1321 1510f469 2018-09-09 stsp err = got_pack_close(&repo->packs[i - 1]);
1322 1510f469 2018-09-09 stsp if (err)
1323 1510f469 2018-09-09 stsp return err;
1324 1510f469 2018-09-09 stsp memmove(&repo->packs[1], &repo->packs[0],
1325 1510f469 2018-09-09 stsp sizeof(repo->packs) - sizeof(repo->packs[0]));
1326 1510f469 2018-09-09 stsp i = 0;
1327 1510f469 2018-09-09 stsp }
1328 1510f469 2018-09-09 stsp
1329 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1330 1510f469 2018-09-09 stsp
1331 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1332 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1333 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1334 1510f469 2018-09-09 stsp goto done;
1335 1510f469 2018-09-09 stsp }
1336 1510f469 2018-09-09 stsp
1337 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1338 1510f469 2018-09-09 stsp if (err)
1339 1510f469 2018-09-09 stsp goto done;
1340 1510f469 2018-09-09 stsp
1341 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1342 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1343 1510f469 2018-09-09 stsp goto done;
1344 ff563a3d 2019-05-23 stsp }
1345 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1346 90636195 2018-09-11 stsp
1347 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1348 1510f469 2018-09-09 stsp
1349 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1350 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1351 1510f469 2018-09-09 stsp pack->fd, 0);
1352 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1353 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1354 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1355 3a11398b 2019-02-21 stsp goto done;
1356 3a11398b 2019-02-21 stsp }
1357 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1358 3a11398b 2019-02-21 stsp }
1359 1510f469 2018-09-09 stsp #endif
1360 1510f469 2018-09-09 stsp done:
1361 1510f469 2018-09-09 stsp if (err) {
1362 1510f469 2018-09-09 stsp if (pack) {
1363 1510f469 2018-09-09 stsp free(pack->path_packfile);
1364 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1365 1510f469 2018-09-09 stsp }
1366 1510f469 2018-09-09 stsp } else if (packp)
1367 1510f469 2018-09-09 stsp *packp = pack;
1368 1510f469 2018-09-09 stsp return err;
1369 1510f469 2018-09-09 stsp }
1370 1510f469 2018-09-09 stsp
1371 1510f469 2018-09-09 stsp struct got_pack *
1372 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1373 1510f469 2018-09-09 stsp {
1374 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1375 16aeacf7 2020-11-26 stsp size_t i;
1376 1510f469 2018-09-09 stsp
1377 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1378 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1379 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1380 1510f469 2018-09-09 stsp break;
1381 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1382 1510f469 2018-09-09 stsp return pack;
1383 2c7829a4 2019-06-17 stsp }
1384 2c7829a4 2019-06-17 stsp
1385 2c7829a4 2019-06-17 stsp return NULL;
1386 2c7829a4 2019-06-17 stsp }
1387 2c7829a4 2019-06-17 stsp
1388 2c7829a4 2019-06-17 stsp const struct got_error *
1389 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1390 2c7829a4 2019-06-17 stsp {
1391 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1392 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1393 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1394 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1395 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1396 2c7829a4 2019-06-17 stsp };
1397 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1398 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1399 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1400 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1401 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1402 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1403 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1404 2c7829a4 2019-06-17 stsp char *path;
1405 16aeacf7 2020-11-26 stsp size_t i;
1406 2c7829a4 2019-06-17 stsp
1407 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1408 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1409 2c7829a4 2019-06-17 stsp
1410 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1411 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1412 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1413 2c7829a4 2019-06-17 stsp }
1414 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1415 2c7829a4 2019-06-17 stsp free(path);
1416 2c7829a4 2019-06-17 stsp if (err)
1417 2c7829a4 2019-06-17 stsp return err;
1418 1510f469 2018-09-09 stsp }
1419 1510f469 2018-09-09 stsp
1420 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1421 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1422 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1423 2c7829a4 2019-06-17 stsp free(path);
1424 2c7829a4 2019-06-17 stsp if (err)
1425 2c7829a4 2019-06-17 stsp return err;
1426 2c7829a4 2019-06-17 stsp
1427 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1428 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1429 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1430 2c7829a4 2019-06-17 stsp free(path);
1431 2c7829a4 2019-06-17 stsp if (err)
1432 2c7829a4 2019-06-17 stsp return err;
1433 2c7829a4 2019-06-17 stsp
1434 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1435 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1436 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1437 2c7829a4 2019-06-17 stsp free(path);
1438 2c7829a4 2019-06-17 stsp if (err)
1439 2c7829a4 2019-06-17 stsp return err;
1440 2c7829a4 2019-06-17 stsp
1441 1510f469 2018-09-09 stsp return NULL;
1442 e09a504c 2019-06-28 stsp }
1443 e09a504c 2019-06-28 stsp
1444 e09a504c 2019-06-28 stsp static const struct got_error *
1445 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1446 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1447 e09a504c 2019-06-28 stsp {
1448 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1449 de47d040 2022-03-22 thomas struct got_object_id_queue matched_ids;
1450 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
1451 e09a504c 2019-06-28 stsp
1452 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1453 dd88155e 2019-06-29 stsp
1454 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1455 de47d040 2022-03-22 thomas const char *path_packidx = pe->path;
1456 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1457 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1458 e09a504c 2019-06-28 stsp
1459 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1460 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1461 e09a504c 2019-06-28 stsp if (err)
1462 4277420a 2019-06-29 stsp break;
1463 e09a504c 2019-06-28 stsp
1464 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1465 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1466 4277420a 2019-06-29 stsp if (err) {
1467 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1468 4277420a 2019-06-29 stsp break;
1469 4277420a 2019-06-29 stsp }
1470 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1471 dd88155e 2019-06-29 stsp if (err)
1472 e09a504c 2019-06-28 stsp break;
1473 e09a504c 2019-06-28 stsp
1474 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &matched_ids, entry) {
1475 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1476 dd88155e 2019-06-29 stsp int matched_type;
1477 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1478 ec242592 2022-04-22 thomas &qid->id);
1479 dd88155e 2019-06-29 stsp if (err)
1480 dd88155e 2019-06-29 stsp goto done;
1481 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1482 dd88155e 2019-06-29 stsp continue;
1483 dd88155e 2019-06-29 stsp }
1484 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1485 ec242592 2022-04-22 thomas *unique_id = got_object_id_dup(&qid->id);
1486 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1487 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1488 dd88155e 2019-06-29 stsp goto done;
1489 dd88155e 2019-06-29 stsp }
1490 4277420a 2019-06-29 stsp } else {
1491 ec242592 2022-04-22 thomas if (got_object_id_cmp(*unique_id,
1492 ec242592 2022-04-22 thomas &qid->id) == 0)
1493 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1494 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1495 561c3678 2019-07-02 stsp goto done;
1496 e09a504c 2019-06-28 stsp }
1497 e09a504c 2019-06-28 stsp }
1498 e09a504c 2019-06-28 stsp }
1499 e09a504c 2019-06-28 stsp done:
1500 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1501 e09a504c 2019-06-28 stsp if (err) {
1502 e09a504c 2019-06-28 stsp free(*unique_id);
1503 e09a504c 2019-06-28 stsp *unique_id = NULL;
1504 e09a504c 2019-06-28 stsp }
1505 e09a504c 2019-06-28 stsp return err;
1506 e09a504c 2019-06-28 stsp }
1507 e09a504c 2019-06-28 stsp
1508 e09a504c 2019-06-28 stsp static const struct got_error *
1509 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1510 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1511 e09a504c 2019-06-28 stsp struct got_repository *repo)
1512 e09a504c 2019-06-28 stsp {
1513 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1514 e09a504c 2019-06-28 stsp char *path;
1515 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1516 e09a504c 2019-06-28 stsp struct dirent *dent;
1517 e09a504c 2019-06-28 stsp struct got_object_id id;
1518 e09a504c 2019-06-28 stsp
1519 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1520 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1521 e09a504c 2019-06-28 stsp goto done;
1522 e09a504c 2019-06-28 stsp }
1523 e09a504c 2019-06-28 stsp
1524 e09a504c 2019-06-28 stsp dir = opendir(path);
1525 e09a504c 2019-06-28 stsp if (dir == NULL) {
1526 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1527 4277420a 2019-06-29 stsp err = NULL;
1528 4277420a 2019-06-29 stsp goto done;
1529 4277420a 2019-06-29 stsp }
1530 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1531 e09a504c 2019-06-28 stsp goto done;
1532 e09a504c 2019-06-28 stsp }
1533 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1534 e09a504c 2019-06-28 stsp char *id_str;
1535 5903ff6e 2019-06-29 stsp int cmp;
1536 5903ff6e 2019-06-29 stsp
1537 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1538 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1539 e09a504c 2019-06-28 stsp continue;
1540 e09a504c 2019-06-28 stsp
1541 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1542 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1543 e09a504c 2019-06-28 stsp goto done;
1544 e09a504c 2019-06-28 stsp }
1545 e09a504c 2019-06-28 stsp
1546 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1547 e09a504c 2019-06-28 stsp continue;
1548 e09a504c 2019-06-28 stsp
1549 52d1d0d9 2019-07-07 stsp /*
1550 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1551 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1552 52d1d0d9 2019-07-07 stsp */
1553 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1554 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1555 e09a504c 2019-06-28 stsp free(id_str);
1556 e09a504c 2019-06-28 stsp continue;
1557 e09a504c 2019-06-28 stsp }
1558 e09a504c 2019-06-28 stsp
1559 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1560 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1561 dd88155e 2019-06-29 stsp int matched_type;
1562 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1563 dd88155e 2019-06-29 stsp &id);
1564 dd88155e 2019-06-29 stsp if (err)
1565 dd88155e 2019-06-29 stsp goto done;
1566 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1567 dd88155e 2019-06-29 stsp continue;
1568 dd88155e 2019-06-29 stsp }
1569 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1570 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1571 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1572 e09a504c 2019-06-28 stsp free(id_str);
1573 e09a504c 2019-06-28 stsp goto done;
1574 e09a504c 2019-06-28 stsp }
1575 e09a504c 2019-06-28 stsp } else {
1576 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1577 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1578 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1579 e09a504c 2019-06-28 stsp free(id_str);
1580 e09a504c 2019-06-28 stsp goto done;
1581 e09a504c 2019-06-28 stsp }
1582 e09a504c 2019-06-28 stsp }
1583 e09a504c 2019-06-28 stsp done:
1584 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1585 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1586 e09a504c 2019-06-28 stsp if (err) {
1587 e09a504c 2019-06-28 stsp free(*unique_id);
1588 e09a504c 2019-06-28 stsp *unique_id = NULL;
1589 e09a504c 2019-06-28 stsp }
1590 e09a504c 2019-06-28 stsp free(path);
1591 e09a504c 2019-06-28 stsp return err;
1592 1510f469 2018-09-09 stsp }
1593 e09a504c 2019-06-28 stsp
1594 e09a504c 2019-06-28 stsp const struct got_error *
1595 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1596 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1597 e09a504c 2019-06-28 stsp {
1598 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1599 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1600 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1601 e09a504c 2019-06-28 stsp size_t len;
1602 4277420a 2019-06-29 stsp int i;
1603 e09a504c 2019-06-28 stsp
1604 4277420a 2019-06-29 stsp *id = NULL;
1605 4277420a 2019-06-29 stsp
1606 70e6418e 2022-03-10 thomas len = strlen(id_str_prefix);
1607 70e6418e 2022-03-10 thomas if (len > SHA1_DIGEST_STRING_LENGTH - 1)
1608 70e6418e 2022-03-10 thomas return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1609 70e6418e 2022-03-10 thomas
1610 70e6418e 2022-03-10 thomas for (i = 0; i < len; i++) {
1611 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1612 4277420a 2019-06-29 stsp continue;
1613 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1614 4277420a 2019-06-29 stsp }
1615 4277420a 2019-06-29 stsp
1616 e09a504c 2019-06-28 stsp if (len >= 2) {
1617 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1618 4277420a 2019-06-29 stsp if (err)
1619 83c8b3b8 2019-06-29 stsp goto done;
1620 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1621 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1622 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1623 83c8b3b8 2019-06-29 stsp goto done;
1624 83c8b3b8 2019-06-29 stsp }
1625 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1626 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1627 e09a504c 2019-06-28 stsp } else if (len == 1) {
1628 e09a504c 2019-06-28 stsp int i;
1629 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1630 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1631 83c8b3b8 2019-06-29 stsp == -1) {
1632 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1633 83c8b3b8 2019-06-29 stsp goto done;
1634 83c8b3b8 2019-06-29 stsp }
1635 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1636 dd88155e 2019-06-29 stsp obj_type);
1637 4277420a 2019-06-29 stsp if (err)
1638 83c8b3b8 2019-06-29 stsp goto done;
1639 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1640 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1641 e09a504c 2019-06-28 stsp if (err)
1642 83c8b3b8 2019-06-29 stsp goto done;
1643 e09a504c 2019-06-28 stsp }
1644 83c8b3b8 2019-06-29 stsp } else {
1645 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1646 83c8b3b8 2019-06-29 stsp goto done;
1647 83c8b3b8 2019-06-29 stsp }
1648 83c8b3b8 2019-06-29 stsp done:
1649 e09a504c 2019-06-28 stsp free(object_dir);
1650 4277420a 2019-06-29 stsp if (err) {
1651 4277420a 2019-06-29 stsp free(*id);
1652 4277420a 2019-06-29 stsp *id = NULL;
1653 a3599220 2021-10-10 thomas } else if (*id == NULL) {
1654 a3599220 2021-10-10 thomas switch (obj_type) {
1655 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_BLOB:
1656 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1657 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_BLOB, id_str_prefix);
1658 a3599220 2021-10-10 thomas break;
1659 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TREE:
1660 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1661 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TREE, id_str_prefix);
1662 a3599220 2021-10-10 thomas break;
1663 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_COMMIT:
1664 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1665 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_COMMIT, id_str_prefix);
1666 a3599220 2021-10-10 thomas break;
1667 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TAG:
1668 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1669 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TAG, id_str_prefix);
1670 a3599220 2021-10-10 thomas break;
1671 a3599220 2021-10-10 thomas default:
1672 a3599220 2021-10-10 thomas err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1673 a3599220 2021-10-10 thomas break;
1674 a3599220 2021-10-10 thomas }
1675 a3599220 2021-10-10 thomas }
1676 303e2782 2019-08-09 stsp
1677 303e2782 2019-08-09 stsp return err;
1678 303e2782 2019-08-09 stsp }
1679 303e2782 2019-08-09 stsp
1680 303e2782 2019-08-09 stsp const struct got_error *
1681 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1682 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1683 71a27632 2020-01-15 stsp struct got_repository *repo)
1684 71a27632 2020-01-15 stsp {
1685 71a27632 2020-01-15 stsp const struct got_error *err;
1686 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1687 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1688 71a27632 2020-01-15 stsp
1689 71a27632 2020-01-15 stsp *id = NULL;
1690 71a27632 2020-01-15 stsp if (label)
1691 71a27632 2020-01-15 stsp *label = NULL;
1692 71a27632 2020-01-15 stsp
1693 84de9106 2020-12-26 stsp if (refs) {
1694 f1165c79 2021-10-10 thomas err = got_repo_object_match_tag(&tag, id_str, obj_type,
1695 84de9106 2020-12-26 stsp refs, repo);
1696 71a27632 2020-01-15 stsp if (err == NULL) {
1697 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1698 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1699 71a27632 2020-01-15 stsp if (*id == NULL)
1700 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1701 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1702 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1703 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1704 71a27632 2020-01-15 stsp free(*id);
1705 71a27632 2020-01-15 stsp *id = NULL;
1706 71a27632 2020-01-15 stsp }
1707 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1708 71a27632 2020-01-15 stsp return err;
1709 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1710 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1711 71a27632 2020-01-15 stsp return err;
1712 71a27632 2020-01-15 stsp }
1713 71a27632 2020-01-15 stsp
1714 71a27632 2020-01-15 stsp err = got_repo_match_object_id_prefix(id, id_str, obj_type, repo);
1715 71a27632 2020-01-15 stsp if (err) {
1716 71a27632 2020-01-15 stsp if (err->code != GOT_ERR_BAD_OBJ_ID_STR)
1717 71a27632 2020-01-15 stsp return err;
1718 71a27632 2020-01-15 stsp err = got_ref_open(&ref, repo, id_str, 0);
1719 71a27632 2020-01-15 stsp if (err != NULL)
1720 71a27632 2020-01-15 stsp goto done;
1721 71a27632 2020-01-15 stsp if (label) {
1722 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1723 71a27632 2020-01-15 stsp if (*label == NULL) {
1724 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1725 71a27632 2020-01-15 stsp goto done;
1726 71a27632 2020-01-15 stsp }
1727 71a27632 2020-01-15 stsp }
1728 71a27632 2020-01-15 stsp err = got_ref_resolve(id, repo, ref);
1729 71a27632 2020-01-15 stsp } else if (label) {
1730 71a27632 2020-01-15 stsp err = got_object_id_str(label, *id);
1731 71a27632 2020-01-15 stsp if (*label == NULL) {
1732 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1733 71a27632 2020-01-15 stsp goto done;
1734 71a27632 2020-01-15 stsp }
1735 71a27632 2020-01-15 stsp }
1736 71a27632 2020-01-15 stsp done:
1737 71a27632 2020-01-15 stsp if (ref)
1738 71a27632 2020-01-15 stsp got_ref_close(ref);
1739 71a27632 2020-01-15 stsp return err;
1740 71a27632 2020-01-15 stsp }
1741 71a27632 2020-01-15 stsp
1742 71a27632 2020-01-15 stsp const struct got_error *
1743 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1744 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1745 303e2782 2019-08-09 stsp {
1746 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1747 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1748 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1749 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1750 303e2782 2019-08-09 stsp
1751 303e2782 2019-08-09 stsp *tag = NULL;
1752 303e2782 2019-08-09 stsp
1753 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1754 303e2782 2019-08-09 stsp const char *refname;
1755 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1756 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1757 303e2782 2019-08-09 stsp continue;
1758 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1759 84de9106 2020-12-26 stsp continue;
1760 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1761 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1762 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1763 303e2782 2019-08-09 stsp continue;
1764 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1765 303e2782 2019-08-09 stsp if (err)
1766 303e2782 2019-08-09 stsp break;
1767 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1768 303e2782 2019-08-09 stsp free(tag_id);
1769 303e2782 2019-08-09 stsp if (err)
1770 303e2782 2019-08-09 stsp break;
1771 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1772 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1773 303e2782 2019-08-09 stsp break;
1774 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1775 303e2782 2019-08-09 stsp *tag = NULL;
1776 303e2782 2019-08-09 stsp }
1777 4277420a 2019-06-29 stsp
1778 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1779 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1780 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TAG, name);
1781 e09a504c 2019-06-28 stsp return err;
1782 e09a504c 2019-06-28 stsp }
1783 7a1d6b72 2020-01-15 stsp
1784 3ce1b845 2019-07-15 stsp static const struct got_error *
1785 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1786 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1787 3ce1b845 2019-07-15 stsp {
1788 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1789 3ce1b845 2019-07-15 stsp
1790 3ce1b845 2019-07-15 stsp *new_te = NULL;
1791 3ce1b845 2019-07-15 stsp
1792 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1793 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1794 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1795 3ce1b845 2019-07-15 stsp
1796 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1797 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1798 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1799 3ce1b845 2019-07-15 stsp goto done;
1800 3ce1b845 2019-07-15 stsp }
1801 3ce1b845 2019-07-15 stsp
1802 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1803 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1804 e8863bdc 2020-07-23 stsp } else {
1805 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1806 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1807 e8863bdc 2020-07-23 stsp }
1808 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1809 3ce1b845 2019-07-15 stsp done:
1810 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1811 56e0773d 2019-11-28 stsp free(*new_te);
1812 3ce1b845 2019-07-15 stsp *new_te = NULL;
1813 3ce1b845 2019-07-15 stsp }
1814 3ce1b845 2019-07-15 stsp return err;
1815 3ce1b845 2019-07-15 stsp }
1816 3ce1b845 2019-07-15 stsp
1817 3ce1b845 2019-07-15 stsp static const struct got_error *
1818 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1819 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1820 3ce1b845 2019-07-15 stsp {
1821 3ce1b845 2019-07-15 stsp const struct got_error *err;
1822 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1823 3ce1b845 2019-07-15 stsp char *filepath;
1824 3ce1b845 2019-07-15 stsp struct stat sb;
1825 3ce1b845 2019-07-15 stsp
1826 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1827 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1828 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1829 3ce1b845 2019-07-15 stsp
1830 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1831 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1832 3ce1b845 2019-07-15 stsp goto done;
1833 3ce1b845 2019-07-15 stsp }
1834 3ce1b845 2019-07-15 stsp
1835 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1836 3ce1b845 2019-07-15 stsp if (err)
1837 3ce1b845 2019-07-15 stsp goto done;
1838 3ce1b845 2019-07-15 stsp
1839 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1840 3ce1b845 2019-07-15 stsp blob_id);
1841 3ce1b845 2019-07-15 stsp done:
1842 3ce1b845 2019-07-15 stsp free(filepath);
1843 3ce1b845 2019-07-15 stsp if (err)
1844 3ce1b845 2019-07-15 stsp free(blob_id);
1845 3ce1b845 2019-07-15 stsp return err;
1846 3ce1b845 2019-07-15 stsp }
1847 3ce1b845 2019-07-15 stsp
1848 3ce1b845 2019-07-15 stsp static const struct got_error *
1849 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1850 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1851 3ce1b845 2019-07-15 stsp {
1852 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1853 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
1854 3ce1b845 2019-07-15 stsp
1855 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
1856 3ce1b845 2019-07-15 stsp if (err)
1857 3ce1b845 2019-07-15 stsp return err;
1858 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
1859 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
1860 3ce1b845 2019-07-15 stsp return NULL;
1861 3ce1b845 2019-07-15 stsp }
1862 3ce1b845 2019-07-15 stsp
1863 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
1864 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
1865 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
1866 3ce1b845 2019-07-15 stsp
1867 3ce1b845 2019-07-15 stsp static const struct got_error *
1868 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
1869 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
1870 3ce1b845 2019-07-15 stsp struct got_repository *repo,
1871 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1872 3ce1b845 2019-07-15 stsp {
1873 3ce1b845 2019-07-15 stsp const struct got_error *err;
1874 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
1875 3ce1b845 2019-07-15 stsp char *subdirpath;
1876 3ce1b845 2019-07-15 stsp
1877 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
1878 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1879 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1880 3ce1b845 2019-07-15 stsp
1881 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
1882 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
1883 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
1884 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
1885 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
1886 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1887 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1888 3ce1b845 2019-07-15 stsp goto done;
1889 3ce1b845 2019-07-15 stsp }
1890 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
1891 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1892 56e0773d 2019-11-28 stsp if (err)
1893 56e0773d 2019-11-28 stsp goto done;
1894 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
1895 56e0773d 2019-11-28 stsp
1896 3ce1b845 2019-07-15 stsp done:
1897 56e0773d 2019-11-28 stsp free(id);
1898 3ce1b845 2019-07-15 stsp free(subdirpath);
1899 3ce1b845 2019-07-15 stsp if (err) {
1900 56e0773d 2019-11-28 stsp free(*new_te);
1901 3ce1b845 2019-07-15 stsp *new_te = NULL;
1902 3ce1b845 2019-07-15 stsp }
1903 3ce1b845 2019-07-15 stsp return err;
1904 3ce1b845 2019-07-15 stsp }
1905 3ce1b845 2019-07-15 stsp
1906 3ce1b845 2019-07-15 stsp static const struct got_error *
1907 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
1908 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
1909 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1910 3ce1b845 2019-07-15 stsp {
1911 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1912 3ce1b845 2019-07-15 stsp DIR *dir;
1913 3ce1b845 2019-07-15 stsp struct dirent *de;
1914 56e0773d 2019-11-28 stsp int nentries;
1915 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
1916 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
1917 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
1918 3ce1b845 2019-07-15 stsp
1919 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
1920 3ce1b845 2019-07-15 stsp
1921 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
1922 3ce1b845 2019-07-15 stsp
1923 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
1924 3ce1b845 2019-07-15 stsp if (dir == NULL) {
1925 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
1926 3ce1b845 2019-07-15 stsp goto done;
1927 3ce1b845 2019-07-15 stsp }
1928 3ce1b845 2019-07-15 stsp
1929 56e0773d 2019-11-28 stsp nentries = 0;
1930 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
1931 3ce1b845 2019-07-15 stsp int ignore = 0;
1932 20ccae39 2020-07-21 stsp int type;
1933 3ce1b845 2019-07-15 stsp
1934 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
1935 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
1936 3ce1b845 2019-07-15 stsp continue;
1937 3ce1b845 2019-07-15 stsp
1938 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
1939 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
1940 3ce1b845 2019-07-15 stsp ignore = 1;
1941 3ce1b845 2019-07-15 stsp break;
1942 3ce1b845 2019-07-15 stsp }
1943 3ce1b845 2019-07-15 stsp }
1944 3ce1b845 2019-07-15 stsp if (ignore)
1945 3ce1b845 2019-07-15 stsp continue;
1946 20ccae39 2020-07-21 stsp
1947 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
1948 20ccae39 2020-07-21 stsp if (err)
1949 20ccae39 2020-07-21 stsp goto done;
1950 20ccae39 2020-07-21 stsp
1951 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
1952 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
1953 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
1954 db1d3576 2019-10-04 stsp if (err) {
1955 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
1956 db1d3576 2019-10-04 stsp goto done;
1957 db1d3576 2019-10-04 stsp err = NULL;
1958 db1d3576 2019-10-04 stsp continue;
1959 db1d3576 2019-10-04 stsp }
1960 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
1961 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
1962 3ce1b845 2019-07-15 stsp if (err)
1963 3ce1b845 2019-07-15 stsp goto done;
1964 3ce1b845 2019-07-15 stsp } else
1965 3ce1b845 2019-07-15 stsp continue;
1966 3ce1b845 2019-07-15 stsp
1967 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
1968 3ce1b845 2019-07-15 stsp if (err)
1969 3ce1b845 2019-07-15 stsp goto done;
1970 56e0773d 2019-11-28 stsp nentries++;
1971 3ce1b845 2019-07-15 stsp }
1972 3ce1b845 2019-07-15 stsp
1973 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
1974 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
1975 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
1976 db1d3576 2019-10-04 stsp goto done;
1977 db1d3576 2019-10-04 stsp }
1978 db1d3576 2019-10-04 stsp
1979 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
1980 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
1981 3ce1b845 2019-07-15 stsp char *path;
1982 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
1983 3ce1b845 2019-07-15 stsp continue;
1984 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
1985 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
1986 3ce1b845 2019-07-15 stsp goto done;
1987 3ce1b845 2019-07-15 stsp }
1988 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
1989 3ce1b845 2019-07-15 stsp free(path);
1990 3ce1b845 2019-07-15 stsp if (err)
1991 3ce1b845 2019-07-15 stsp goto done;
1992 3ce1b845 2019-07-15 stsp }
1993 3ce1b845 2019-07-15 stsp
1994 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
1995 3ce1b845 2019-07-15 stsp done:
1996 3ce1b845 2019-07-15 stsp if (dir)
1997 3ce1b845 2019-07-15 stsp closedir(dir);
1998 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
1999 3ce1b845 2019-07-15 stsp return err;
2000 3ce1b845 2019-07-15 stsp }
2001 3ce1b845 2019-07-15 stsp
2002 3ce1b845 2019-07-15 stsp const struct got_error *
2003 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
2004 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
2005 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
2006 3ce1b845 2019-07-15 stsp void *progress_arg)
2007 3ce1b845 2019-07-15 stsp {
2008 3ce1b845 2019-07-15 stsp const struct got_error *err;
2009 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
2010 3ce1b845 2019-07-15 stsp
2011 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
2012 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2013 3ce1b845 2019-07-15 stsp if (err)
2014 3ce1b845 2019-07-15 stsp return err;
2015 3ce1b845 2019-07-15 stsp
2016 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
2017 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
2018 3ce1b845 2019-07-15 stsp free(new_tree_id);
2019 20662ea0 2021-04-10 stsp return err;
2020 20662ea0 2021-04-10 stsp }
2021 20662ea0 2021-04-10 stsp
2022 20662ea0 2021-04-10 stsp const struct got_error *
2023 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
2024 20662ea0 2021-04-10 stsp struct got_repository *repo)
2025 20662ea0 2021-04-10 stsp {
2026 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
2027 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
2028 20662ea0 2021-04-10 stsp DIR *dir = NULL;
2029 20662ea0 2021-04-10 stsp struct got_object_id id;
2030 20662ea0 2021-04-10 stsp int i;
2031 20662ea0 2021-04-10 stsp
2032 20662ea0 2021-04-10 stsp *nobjects = 0;
2033 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2034 20662ea0 2021-04-10 stsp
2035 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
2036 20662ea0 2021-04-10 stsp if (path_objects == NULL)
2037 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
2038 20662ea0 2021-04-10 stsp
2039 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
2040 20662ea0 2021-04-10 stsp struct dirent *dent;
2041 20662ea0 2021-04-10 stsp
2042 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2043 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2044 20662ea0 2021-04-10 stsp break;
2045 20662ea0 2021-04-10 stsp }
2046 20662ea0 2021-04-10 stsp
2047 20662ea0 2021-04-10 stsp dir = opendir(path);
2048 20662ea0 2021-04-10 stsp if (dir == NULL) {
2049 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
2050 20662ea0 2021-04-10 stsp err = NULL;
2051 20662ea0 2021-04-10 stsp continue;
2052 20662ea0 2021-04-10 stsp }
2053 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
2054 20662ea0 2021-04-10 stsp break;
2055 20662ea0 2021-04-10 stsp }
2056 20662ea0 2021-04-10 stsp
2057 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
2058 20662ea0 2021-04-10 stsp char *id_str;
2059 20662ea0 2021-04-10 stsp int fd;
2060 20662ea0 2021-04-10 stsp struct stat sb;
2061 20662ea0 2021-04-10 stsp
2062 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
2063 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
2064 20662ea0 2021-04-10 stsp continue;
2065 20662ea0 2021-04-10 stsp
2066 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2067 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2068 20662ea0 2021-04-10 stsp goto done;
2069 20662ea0 2021-04-10 stsp }
2070 20662ea0 2021-04-10 stsp
2071 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
2072 20662ea0 2021-04-10 stsp free(id_str);
2073 20662ea0 2021-04-10 stsp continue;
2074 20662ea0 2021-04-10 stsp }
2075 20662ea0 2021-04-10 stsp free(id_str);
2076 20662ea0 2021-04-10 stsp
2077 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
2078 20662ea0 2021-04-10 stsp if (err)
2079 20662ea0 2021-04-10 stsp goto done;
2080 20662ea0 2021-04-10 stsp
2081 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
2082 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
2083 20662ea0 2021-04-10 stsp close(fd);
2084 20662ea0 2021-04-10 stsp goto done;
2085 20662ea0 2021-04-10 stsp }
2086 20662ea0 2021-04-10 stsp (*nobjects)++;
2087 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
2088 20662ea0 2021-04-10 stsp
2089 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
2090 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
2091 20662ea0 2021-04-10 stsp goto done;
2092 20662ea0 2021-04-10 stsp }
2093 20662ea0 2021-04-10 stsp }
2094 20662ea0 2021-04-10 stsp
2095 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
2096 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2097 20662ea0 2021-04-10 stsp goto done;
2098 20662ea0 2021-04-10 stsp }
2099 20662ea0 2021-04-10 stsp dir = NULL;
2100 20662ea0 2021-04-10 stsp
2101 20662ea0 2021-04-10 stsp free(path);
2102 20662ea0 2021-04-10 stsp path = NULL;
2103 20662ea0 2021-04-10 stsp }
2104 20662ea0 2021-04-10 stsp done:
2105 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
2106 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2107 20662ea0 2021-04-10 stsp
2108 20662ea0 2021-04-10 stsp if (err) {
2109 20662ea0 2021-04-10 stsp *nobjects = 0;
2110 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2111 20662ea0 2021-04-10 stsp }
2112 20662ea0 2021-04-10 stsp free(path_objects);
2113 20662ea0 2021-04-10 stsp free(path);
2114 3ce1b845 2019-07-15 stsp return err;
2115 3ce1b845 2019-07-15 stsp }
2116 20662ea0 2021-04-10 stsp
2117 20662ea0 2021-04-10 stsp const struct got_error *
2118 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2119 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
2120 20662ea0 2021-04-10 stsp {
2121 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
2122 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
2123 20662ea0 2021-04-10 stsp struct dirent *dent;
2124 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
2125 20662ea0 2021-04-10 stsp char *path_packidx;
2126 20662ea0 2021-04-10 stsp char *path_packfile;
2127 20662ea0 2021-04-10 stsp int packdir_fd;
2128 20662ea0 2021-04-10 stsp struct stat sb;
2129 20662ea0 2021-04-10 stsp
2130 20662ea0 2021-04-10 stsp *npackfiles = 0;
2131 20662ea0 2021-04-10 stsp *nobjects = 0;
2132 20662ea0 2021-04-10 stsp *total_packsize = 0;
2133 20662ea0 2021-04-10 stsp
2134 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
2135 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2136 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
2137 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
2138 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
2139 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
2140 20662ea0 2021-04-10 stsp }
2141 20662ea0 2021-04-10 stsp
2142 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
2143 20662ea0 2021-04-10 stsp if (packdir == NULL) {
2144 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
2145 20662ea0 2021-04-10 stsp goto done;
2146 20662ea0 2021-04-10 stsp }
2147 20662ea0 2021-04-10 stsp
2148 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
2149 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
2150 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
2151 20662ea0 2021-04-10 stsp continue;
2152 20662ea0 2021-04-10 stsp
2153 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2154 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
2155 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2156 20662ea0 2021-04-10 stsp goto done;
2157 20662ea0 2021-04-10 stsp }
2158 20662ea0 2021-04-10 stsp
2159 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2160 20662ea0 2021-04-10 stsp path_packidx, 0);
2161 20662ea0 2021-04-10 stsp free(path_packidx);
2162 20662ea0 2021-04-10 stsp if (err)
2163 20662ea0 2021-04-10 stsp goto done;
2164 20662ea0 2021-04-10 stsp
2165 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
2166 20662ea0 2021-04-10 stsp goto done;
2167 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2168 20662ea0 2021-04-10 stsp
2169 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2170 aea75d87 2021-07-06 stsp packidx->path_packidx);
2171 20662ea0 2021-04-10 stsp if (err)
2172 20662ea0 2021-04-10 stsp goto done;
2173 20662ea0 2021-04-10 stsp
2174 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2175 20662ea0 2021-04-10 stsp 0) == -1) {
2176 20662ea0 2021-04-10 stsp free(path_packfile);
2177 20662ea0 2021-04-10 stsp goto done;
2178 20662ea0 2021-04-10 stsp }
2179 20662ea0 2021-04-10 stsp free(path_packfile);
2180 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2181 20662ea0 2021-04-10 stsp
2182 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2183 20662ea0 2021-04-10 stsp
2184 20662ea0 2021-04-10 stsp (*npackfiles)++;
2185 20662ea0 2021-04-10 stsp
2186 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2187 20662ea0 2021-04-10 stsp packidx = NULL;
2188 20662ea0 2021-04-10 stsp }
2189 20662ea0 2021-04-10 stsp done:
2190 20662ea0 2021-04-10 stsp if (packidx)
2191 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2192 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2193 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2194 20662ea0 2021-04-10 stsp if (err) {
2195 20662ea0 2021-04-10 stsp *npackfiles = 0;
2196 20662ea0 2021-04-10 stsp *nobjects = 0;
2197 20662ea0 2021-04-10 stsp *total_packsize = 0;
2198 20662ea0 2021-04-10 stsp }
2199 20662ea0 2021-04-10 stsp return err;
2200 20662ea0 2021-04-10 stsp }
2201 0be8fa4c 2021-10-15 thomas
2202 0be8fa4c 2021-10-15 thomas RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2203 0be8fa4c 2021-10-15 thomas got_packidx_bloom_filter_cmp);