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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 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
19 ad242220 2018-09-08 stsp #include <sys/uio.h>
20 aba9c984 2019-09-08 stsp #include <sys/socket.h>
21 deeca238 2018-03-12 stsp #include <sys/stat.h>
22 1510f469 2018-09-09 stsp #include <sys/mman.h>
23 6c414261 2021-03-30 stsp #include <sys/resource.h>
24 79b11c62 2018-03-09 stsp
25 e09a504c 2019-06-28 stsp #include <ctype.h>
26 1510f469 2018-09-09 stsp #include <fcntl.h>
27 3ce1b845 2019-07-15 stsp #include <fnmatch.h>
28 4027f31a 2017-11-04 stsp #include <limits.h>
29 1510f469 2018-09-09 stsp #include <dirent.h>
30 4027f31a 2017-11-04 stsp #include <stdlib.h>
31 4027f31a 2017-11-04 stsp #include <stdio.h>
32 4027f31a 2017-11-04 stsp #include <string.h>
33 303e14b5 2019-09-23 stsp #include <time.h>
34 81a12da5 2020-09-09 naddy #include <unistd.h>
35 79b11c62 2018-03-09 stsp #include <zlib.h>
36 85f51bba 2018-07-16 stsp #include <errno.h>
37 85f51bba 2018-07-16 stsp #include <libgen.h>
38 ad242220 2018-09-08 stsp #include <stdint.h>
39 4027f31a 2017-11-04 stsp
40 4545b700 2021-10-15 thomas #include "bloom.h"
41 dd038bc6 2021-09-21 thomas.ad
42 4027f31a 2017-11-04 stsp #include "got_error.h"
43 5261c201 2018-04-01 stsp #include "got_reference.h"
44 4027f31a 2017-11-04 stsp #include "got_repository.h"
45 1dd54920 2019-05-11 stsp #include "got_path.h"
46 e6209546 2019-08-22 stsp #include "got_cancel.h"
47 7bb0daa1 2018-06-21 stsp #include "got_object.h"
48 bfb5ee0b 2022-05-31 thomas #include "got_opentemp.h"
49 4027f31a 2017-11-04 stsp
50 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
51 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
52 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
53 3ce1b845 2019-07-15 stsp #include "got_lib_object_parse.h"
54 3ce1b845 2019-07-15 stsp #include "got_lib_object_create.h"
55 718b3ab0 2018-03-17 stsp #include "got_lib_pack.h"
56 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
57 e09a504c 2019-06-28 stsp #include "got_lib_sha1.h"
58 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
59 6bef87be 2018-09-11 stsp #include "got_lib_repository.h"
60 50b0790e 2020-09-11 stsp #include "got_lib_gotconfig.h"
61 c3f94f68 2017-11-05 stsp
62 79b11c62 2018-03-09 stsp #ifndef nitems
63 79b11c62 2018-03-09 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
64 79b11c62 2018-03-09 stsp #endif
65 0be8fa4c 2021-10-15 thomas
66 7cd52833 2022-06-23 thomas #define GOT_PACK_NUM_TEMPFILES GOT_PACK_CACHE_SIZE * 2
67 7cd52833 2022-06-23 thomas
68 0be8fa4c 2021-10-15 thomas RB_PROTOTYPE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
69 0be8fa4c 2021-10-15 thomas got_packidx_bloom_filter_cmp);
70 4df642d9 2017-11-05 stsp
71 7839bc15 2019-01-06 stsp const char *
72 86c3caaf 2018-03-09 stsp got_repo_get_path(struct got_repository *repo)
73 86c3caaf 2018-03-09 stsp {
74 7839bc15 2019-01-06 stsp return repo->path;
75 86c3caaf 2018-03-09 stsp }
76 86c3caaf 2018-03-09 stsp
77 6e9da951 2019-01-06 stsp const char *
78 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
79 4027f31a 2017-11-04 stsp {
80 6e9da951 2019-01-06 stsp return repo->path_git_dir;
81 6d5a9006 2020-12-16 yzhong }
82 6d5a9006 2020-12-16 yzhong
83 6d5a9006 2020-12-16 yzhong int
84 6d5a9006 2020-12-16 yzhong got_repo_get_fd(struct got_repository *repo)
85 6d5a9006 2020-12-16 yzhong {
86 6d5a9006 2020-12-16 yzhong return repo->gitdir_fd;
87 04ca23f4 2018-07-16 stsp }
88 04ca23f4 2018-07-16 stsp
89 aba9c984 2019-09-08 stsp const char *
90 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_name(struct got_repository *repo)
91 aba9c984 2019-09-08 stsp {
92 aba9c984 2019-09-08 stsp return repo->gitconfig_author_name;
93 aba9c984 2019-09-08 stsp }
94 aba9c984 2019-09-08 stsp
95 aba9c984 2019-09-08 stsp const char *
96 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_email(struct got_repository *repo)
97 aba9c984 2019-09-08 stsp {
98 aba9c984 2019-09-08 stsp return repo->gitconfig_author_email;
99 c9956ddf 2019-09-08 stsp }
100 c9956ddf 2019-09-08 stsp
101 c9956ddf 2019-09-08 stsp const char *
102 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_name(struct got_repository *repo)
103 c9956ddf 2019-09-08 stsp {
104 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_name;
105 c9956ddf 2019-09-08 stsp }
106 c9956ddf 2019-09-08 stsp
107 c9956ddf 2019-09-08 stsp const char *
108 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_email(struct got_repository *repo)
109 c9956ddf 2019-09-08 stsp {
110 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_email;
111 9a1cc63f 2020-02-03 stsp }
112 9a1cc63f 2020-02-03 stsp
113 9a1cc63f 2020-02-03 stsp const char *
114 9a1cc63f 2020-02-03 stsp got_repo_get_gitconfig_owner(struct got_repository *repo)
115 9a1cc63f 2020-02-03 stsp {
116 9a1cc63f 2020-02-03 stsp return repo->gitconfig_owner;
117 9188bd78 2021-07-03 stsp }
118 9188bd78 2021-07-03 stsp
119 9188bd78 2021-07-03 stsp void
120 9188bd78 2021-07-03 stsp got_repo_get_gitconfig_extensions(char ***extensions, int *nextensions,
121 9188bd78 2021-07-03 stsp struct got_repository *repo)
122 9188bd78 2021-07-03 stsp {
123 9188bd78 2021-07-03 stsp *extensions = repo->extensions;
124 9188bd78 2021-07-03 stsp *nextensions = repo->nextensions;
125 aba9c984 2019-09-08 stsp }
126 aba9c984 2019-09-08 stsp
127 04ca23f4 2018-07-16 stsp int
128 04ca23f4 2018-07-16 stsp got_repo_is_bare(struct got_repository *repo)
129 04ca23f4 2018-07-16 stsp {
130 04ca23f4 2018-07-16 stsp return (strcmp(repo->path, repo->path_git_dir) == 0);
131 4027f31a 2017-11-04 stsp }
132 4027f31a 2017-11-04 stsp
133 4027f31a 2017-11-04 stsp static char *
134 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
135 4027f31a 2017-11-04 stsp {
136 4027f31a 2017-11-04 stsp char *path_child;
137 3168e5da 2020-09-10 stsp
138 4986b9d5 2018-03-12 stsp if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
139 4027f31a 2017-11-04 stsp basename) == -1)
140 4027f31a 2017-11-04 stsp return NULL;
141 4027f31a 2017-11-04 stsp
142 4027f31a 2017-11-04 stsp return path_child;
143 4027f31a 2017-11-04 stsp }
144 4027f31a 2017-11-04 stsp
145 11995603 2017-11-05 stsp char *
146 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
147 4027f31a 2017-11-04 stsp {
148 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
149 4027f31a 2017-11-04 stsp }
150 4027f31a 2017-11-04 stsp
151 11995603 2017-11-05 stsp char *
152 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
153 a1fd68d8 2018-01-12 stsp {
154 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
155 a1fd68d8 2018-01-12 stsp }
156 a1fd68d8 2018-01-12 stsp
157 a1fd68d8 2018-01-12 stsp char *
158 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
159 4027f31a 2017-11-04 stsp {
160 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
161 4027f31a 2017-11-04 stsp }
162 4027f31a 2017-11-04 stsp
163 fb79db15 2019-02-01 stsp char *
164 fb79db15 2019-02-01 stsp got_repo_get_path_packed_refs(struct got_repository *repo)
165 fb79db15 2019-02-01 stsp {
166 fb79db15 2019-02-01 stsp return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
167 fb79db15 2019-02-01 stsp }
168 fb79db15 2019-02-01 stsp
169 4027f31a 2017-11-04 stsp static char *
170 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
171 4027f31a 2017-11-04 stsp {
172 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
173 1d126e2d 2019-08-24 stsp }
174 1d126e2d 2019-08-24 stsp
175 b46f3e71 2020-03-18 stsp char *
176 b46f3e71 2020-03-18 stsp got_repo_get_path_gitconfig(struct got_repository *repo)
177 1d126e2d 2019-08-24 stsp {
178 b46f3e71 2020-03-18 stsp return get_path_git_child(repo, GOT_GITCONFIG);
179 cd95becd 2019-11-29 stsp }
180 cd95becd 2019-11-29 stsp
181 257add31 2020-09-09 stsp char *
182 257add31 2020-09-09 stsp got_repo_get_path_gotconfig(struct got_repository *repo)
183 257add31 2020-09-09 stsp {
184 50b0790e 2020-09-11 stsp return get_path_git_child(repo, GOT_GOTCONFIG_FILENAME);
185 257add31 2020-09-09 stsp }
186 257add31 2020-09-09 stsp
187 50b0790e 2020-09-11 stsp const struct got_gotconfig *
188 50b0790e 2020-09-11 stsp got_repo_get_gotconfig(struct got_repository *repo)
189 cd95becd 2019-11-29 stsp {
190 50b0790e 2020-09-11 stsp return repo->gotconfig;
191 4027f31a 2017-11-04 stsp }
192 4027f31a 2017-11-04 stsp
193 257add31 2020-09-09 stsp void
194 50b0790e 2020-09-11 stsp got_repo_get_gitconfig_remotes(int *nremotes,
195 50b0790e 2020-09-11 stsp const struct got_remote_repo **remotes, struct got_repository *repo)
196 257add31 2020-09-09 stsp {
197 50b0790e 2020-09-11 stsp *nremotes = repo->ngitconfig_remotes;
198 50b0790e 2020-09-11 stsp *remotes = repo->gitconfig_remotes;
199 257add31 2020-09-09 stsp }
200 257add31 2020-09-09 stsp
201 4027f31a 2017-11-04 stsp static int
202 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
203 4027f31a 2017-11-04 stsp {
204 6e9da951 2019-01-06 stsp const char *path_git = got_repo_get_path_git_dir(repo);
205 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
206 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
207 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
208 deeca238 2018-03-12 stsp int ret = 0;
209 deeca238 2018-03-12 stsp struct stat sb;
210 4847cca1 2018-03-12 stsp struct got_reference *head_ref;
211 4027f31a 2017-11-04 stsp
212 deeca238 2018-03-12 stsp if (lstat(path_git, &sb) == -1)
213 deeca238 2018-03-12 stsp goto done;
214 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
215 deeca238 2018-03-12 stsp goto done;
216 4027f31a 2017-11-04 stsp
217 deeca238 2018-03-12 stsp if (lstat(path_objects, &sb) == -1)
218 deeca238 2018-03-12 stsp goto done;
219 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
220 deeca238 2018-03-12 stsp goto done;
221 deeca238 2018-03-12 stsp
222 deeca238 2018-03-12 stsp if (lstat(path_refs, &sb) == -1)
223 deeca238 2018-03-12 stsp goto done;
224 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
225 deeca238 2018-03-12 stsp goto done;
226 deeca238 2018-03-12 stsp
227 deeca238 2018-03-12 stsp if (lstat(path_head, &sb) == -1)
228 deeca238 2018-03-12 stsp goto done;
229 deeca238 2018-03-12 stsp if (!S_ISREG(sb.st_mode))
230 deeca238 2018-03-12 stsp goto done;
231 4847cca1 2018-03-12 stsp
232 4847cca1 2018-03-12 stsp /* Check if the HEAD reference can be opened. */
233 2f17228e 2019-05-12 stsp if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
234 4847cca1 2018-03-12 stsp goto done;
235 4847cca1 2018-03-12 stsp got_ref_close(head_ref);
236 4847cca1 2018-03-12 stsp
237 deeca238 2018-03-12 stsp ret = 1;
238 deeca238 2018-03-12 stsp done:
239 4027f31a 2017-11-04 stsp free(path_objects);
240 4027f31a 2017-11-04 stsp free(path_refs);
241 4027f31a 2017-11-04 stsp free(path_head);
242 4027f31a 2017-11-04 stsp return ret;
243 4027f31a 2017-11-04 stsp
244 7bb0daa1 2018-06-21 stsp }
245 7bb0daa1 2018-06-21 stsp
246 f6be5c30 2018-06-22 stsp const struct got_error *
247 7cd52833 2022-06-23 thomas got_repo_pack_fds_open(int **pack_fds)
248 7cd52833 2022-06-23 thomas {
249 7cd52833 2022-06-23 thomas const struct got_error *err = NULL;
250 cfc8922b 2022-07-21 thomas int i, *pack_fds_tmp;
251 7cd52833 2022-06-23 thomas
252 cfc8922b 2022-07-21 thomas pack_fds_tmp = calloc(GOT_PACK_NUM_TEMPFILES, sizeof(int));
253 cfc8922b 2022-07-21 thomas if (pack_fds_tmp == NULL)
254 cfc8922b 2022-07-21 thomas return got_error_from_errno("calloc");
255 7cd52833 2022-06-23 thomas *pack_fds = calloc(GOT_PACK_NUM_TEMPFILES, sizeof(**pack_fds));
256 cfc8922b 2022-07-21 thomas if (*pack_fds == NULL) {
257 cfc8922b 2022-07-21 thomas free(pack_fds_tmp);
258 7cd52833 2022-06-23 thomas return got_error_from_errno("calloc");
259 cfc8922b 2022-07-21 thomas }
260 0b1c1d9c 2022-07-21 thomas
261 0b1c1d9c 2022-07-21 thomas /*
262 0b1c1d9c 2022-07-21 thomas * got_repo_pack_fds_close will try to close all of the
263 0b1c1d9c 2022-07-21 thomas * GOT_PACK_NUM_TEMPFILES fds, even the ones that didn't manage to get
264 0b1c1d9c 2022-07-21 thomas * a value from got_opentempfd(), resulting in a close(0).
265 0b1c1d9c 2022-07-21 thomas */
266 0b1c1d9c 2022-07-21 thomas for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++)
267 0b1c1d9c 2022-07-21 thomas pack_fds_tmp[i] = -1;
268 7cd52833 2022-06-23 thomas
269 7cd52833 2022-06-23 thomas for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
270 7cd52833 2022-06-23 thomas pack_fds_tmp[i] = got_opentempfd();
271 7cd52833 2022-06-23 thomas if (pack_fds_tmp[i] == -1) {
272 7648b8ae 2022-06-23 thomas err = got_error_from_errno("got_opentempfd");
273 7648b8ae 2022-06-23 thomas got_repo_pack_fds_close(pack_fds_tmp);
274 7648b8ae 2022-06-23 thomas return err;
275 7cd52833 2022-06-23 thomas }
276 7cd52833 2022-06-23 thomas }
277 cfc8922b 2022-07-21 thomas memcpy(*pack_fds, pack_fds_tmp, GOT_PACK_NUM_TEMPFILES * sizeof(int));
278 7cd52833 2022-06-23 thomas return err;
279 7cd52833 2022-06-23 thomas }
280 7cd52833 2022-06-23 thomas
281 7cd52833 2022-06-23 thomas const struct got_error *
282 7cd52833 2022-06-23 thomas got_repo_pack_fds_close(int *pack_fds)
283 7cd52833 2022-06-23 thomas {
284 7cd52833 2022-06-23 thomas const struct got_error *err = NULL;
285 7cd52833 2022-06-23 thomas int i;
286 7cd52833 2022-06-23 thomas
287 7cd52833 2022-06-23 thomas for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
288 7cd52833 2022-06-23 thomas if (pack_fds[i] == -1)
289 7cd52833 2022-06-23 thomas continue;
290 7cd52833 2022-06-23 thomas if (close(pack_fds[i]) == -1) {
291 7cd52833 2022-06-23 thomas err = got_error_from_errno("close");
292 7cd52833 2022-06-23 thomas break;
293 7cd52833 2022-06-23 thomas }
294 7cd52833 2022-06-23 thomas }
295 7cd52833 2022-06-23 thomas free(pack_fds);
296 7cd52833 2022-06-23 thomas return err;
297 7cd52833 2022-06-23 thomas }
298 7cd52833 2022-06-23 thomas
299 7cd52833 2022-06-23 thomas const struct got_error *
300 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
301 f6be5c30 2018-06-22 stsp struct got_object *obj)
302 f6be5c30 2018-06-22 stsp {
303 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
304 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
305 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
306 79c99a64 2019-05-23 stsp if (err) {
307 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
308 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
309 79c99a64 2019-05-23 stsp err = NULL;
310 f6be5c30 2018-06-22 stsp return err;
311 79c99a64 2019-05-23 stsp }
312 f6be5c30 2018-06-22 stsp obj->refcnt++;
313 ccfe88e6 2018-07-12 stsp #endif
314 f6be5c30 2018-06-22 stsp return NULL;
315 f6be5c30 2018-06-22 stsp }
316 f6be5c30 2018-06-22 stsp
317 7bb0daa1 2018-06-21 stsp struct got_object *
318 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
319 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
320 7bb0daa1 2018-06-21 stsp {
321 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
322 7bb0daa1 2018-06-21 stsp }
323 7bb0daa1 2018-06-21 stsp
324 4027f31a 2017-11-04 stsp const struct got_error *
325 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
326 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
327 f6be5c30 2018-06-22 stsp {
328 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
329 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
330 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
331 79c99a64 2019-05-23 stsp if (err) {
332 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
333 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
334 79c99a64 2019-05-23 stsp err = NULL;
335 f6be5c30 2018-06-22 stsp return err;
336 79c99a64 2019-05-23 stsp }
337 f6be5c30 2018-06-22 stsp tree->refcnt++;
338 ccfe88e6 2018-07-12 stsp #endif
339 f6be5c30 2018-06-22 stsp return NULL;
340 f6be5c30 2018-06-22 stsp }
341 f6be5c30 2018-06-22 stsp
342 f6be5c30 2018-06-22 stsp struct got_tree_object *
343 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
344 f6be5c30 2018-06-22 stsp struct got_object_id *id)
345 f6be5c30 2018-06-22 stsp {
346 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
347 6bef87be 2018-09-11 stsp &repo->treecache, id);
348 1943de01 2018-06-22 stsp }
349 1943de01 2018-06-22 stsp
350 1943de01 2018-06-22 stsp const struct got_error *
351 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
352 1943de01 2018-06-22 stsp struct got_commit_object *commit)
353 1943de01 2018-06-22 stsp {
354 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
355 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
356 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
357 79c99a64 2019-05-23 stsp if (err) {
358 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
359 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
360 79c99a64 2019-05-23 stsp err = NULL;
361 1943de01 2018-06-22 stsp return err;
362 79c99a64 2019-05-23 stsp }
363 1943de01 2018-06-22 stsp commit->refcnt++;
364 ccfe88e6 2018-07-12 stsp #endif
365 f6be5c30 2018-06-22 stsp return NULL;
366 f6be5c30 2018-06-22 stsp }
367 f6be5c30 2018-06-22 stsp
368 1943de01 2018-06-22 stsp struct got_commit_object *
369 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
370 1943de01 2018-06-22 stsp struct got_object_id *id)
371 1943de01 2018-06-22 stsp {
372 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
373 6bef87be 2018-09-11 stsp &repo->commitcache, id);
374 f4a881ce 2018-11-17 stsp }
375 f4a881ce 2018-11-17 stsp
376 f4a881ce 2018-11-17 stsp const struct got_error *
377 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
378 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
379 f4a881ce 2018-11-17 stsp {
380 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
381 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
382 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
383 79c99a64 2019-05-23 stsp if (err) {
384 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
385 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
386 79c99a64 2019-05-23 stsp err = NULL;
387 f4a881ce 2018-11-17 stsp return err;
388 79c99a64 2019-05-23 stsp }
389 f4a881ce 2018-11-17 stsp tag->refcnt++;
390 f4a881ce 2018-11-17 stsp #endif
391 f4a881ce 2018-11-17 stsp return NULL;
392 f4a881ce 2018-11-17 stsp }
393 f4a881ce 2018-11-17 stsp
394 f4a881ce 2018-11-17 stsp struct got_tag_object *
395 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
396 f4a881ce 2018-11-17 stsp {
397 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
398 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
399 8ab9215c 2021-10-15 thomas }
400 8ab9215c 2021-10-15 thomas
401 8ab9215c 2021-10-15 thomas const struct got_error *
402 8ab9215c 2021-10-15 thomas got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
403 8ab9215c 2021-10-15 thomas struct got_raw_object *raw)
404 8ab9215c 2021-10-15 thomas {
405 8ab9215c 2021-10-15 thomas #ifndef GOT_NO_OBJ_CACHE
406 8ab9215c 2021-10-15 thomas const struct got_error *err = NULL;
407 8ab9215c 2021-10-15 thomas err = got_object_cache_add(&repo->rawcache, id, raw);
408 8ab9215c 2021-10-15 thomas if (err) {
409 8ab9215c 2021-10-15 thomas if (err->code == GOT_ERR_OBJ_EXISTS ||
410 8ab9215c 2021-10-15 thomas err->code == GOT_ERR_OBJ_TOO_LARGE)
411 8ab9215c 2021-10-15 thomas err = NULL;
412 8ab9215c 2021-10-15 thomas return err;
413 8ab9215c 2021-10-15 thomas }
414 8ab9215c 2021-10-15 thomas raw->refcnt++;
415 8ab9215c 2021-10-15 thomas #endif
416 8ab9215c 2021-10-15 thomas return NULL;
417 1943de01 2018-06-22 stsp }
418 1943de01 2018-06-22 stsp
419 8ab9215c 2021-10-15 thomas
420 8ab9215c 2021-10-15 thomas struct got_raw_object *
421 8ab9215c 2021-10-15 thomas got_repo_get_cached_raw_object(struct got_repository *repo,
422 8ab9215c 2021-10-15 thomas struct got_object_id *id)
423 8ab9215c 2021-10-15 thomas {
424 8ab9215c 2021-10-15 thomas return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
425 8ab9215c 2021-10-15 thomas }
426 8ab9215c 2021-10-15 thomas
427 8ab9215c 2021-10-15 thomas
428 991ff1aa 2021-06-15 tracey static const struct got_error *
429 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
430 4027f31a 2017-11-04 stsp {
431 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
432 85f51bba 2018-07-16 stsp
433 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
434 6d5a9006 2020-12-16 yzhong
435 85f51bba 2018-07-16 stsp /* bare git repository? */
436 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
437 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
438 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
439 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
440 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
441 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
442 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
443 6d5a9006 2020-12-16 yzhong goto done;
444 6d5a9006 2020-12-16 yzhong }
445 06340621 2021-12-31 thomas repo->gitdir_fd = open(repo->path_git_dir,
446 06340621 2021-12-31 thomas O_DIRECTORY | O_CLOEXEC);
447 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
448 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
449 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
450 85f51bba 2018-07-16 stsp goto done;
451 85f51bba 2018-07-16 stsp }
452 85f51bba 2018-07-16 stsp return NULL;
453 85f51bba 2018-07-16 stsp }
454 85f51bba 2018-07-16 stsp
455 85f51bba 2018-07-16 stsp /* git repository with working tree? */
456 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
457 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
458 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
459 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
460 85f51bba 2018-07-16 stsp goto done;
461 85f51bba 2018-07-16 stsp }
462 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
463 85f51bba 2018-07-16 stsp repo->path = strdup(path);
464 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
465 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
466 85f51bba 2018-07-16 stsp goto done;
467 85f51bba 2018-07-16 stsp }
468 06340621 2021-12-31 thomas repo->gitdir_fd = open(repo->path_git_dir,
469 06340621 2021-12-31 thomas O_DIRECTORY | O_CLOEXEC);
470 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
471 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
472 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
473 6d5a9006 2020-12-16 yzhong goto done;
474 6d5a9006 2020-12-16 yzhong }
475 85f51bba 2018-07-16 stsp return NULL;
476 85f51bba 2018-07-16 stsp }
477 85f51bba 2018-07-16 stsp
478 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
479 ee645855 2019-02-05 stsp done:
480 85f51bba 2018-07-16 stsp if (err) {
481 ee645855 2019-02-05 stsp free(repo->path);
482 ee645855 2019-02-05 stsp repo->path = NULL;
483 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
484 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
485 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
486 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
487 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
488 6d5a9006 2020-12-16 yzhong
489 aba9c984 2019-09-08 stsp }
490 aba9c984 2019-09-08 stsp return err;
491 aba9c984 2019-09-08 stsp }
492 aba9c984 2019-09-08 stsp
493 aba9c984 2019-09-08 stsp static const struct got_error *
494 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
495 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
496 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
497 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
498 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
499 aba9c984 2019-09-08 stsp {
500 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
501 aba9c984 2019-09-08 stsp int fd = -1;
502 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
503 aba9c984 2019-09-08 stsp pid_t pid;
504 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
505 aba9c984 2019-09-08 stsp
506 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
507 20b7abb3 2020-10-22 stsp if (extensions)
508 20b7abb3 2020-10-22 stsp *extensions = NULL;
509 20b7abb3 2020-10-22 stsp if (nextensions)
510 20b7abb3 2020-10-22 stsp *nextensions = 0;
511 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
512 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
513 2fb669fb 2020-03-20 stsp if (remotes)
514 2fb669fb 2020-03-20 stsp *remotes = NULL;
515 2fb669fb 2020-03-20 stsp if (nremotes)
516 2fb669fb 2020-03-20 stsp *nremotes = 0;
517 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
518 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
519 aba9c984 2019-09-08 stsp
520 06340621 2021-12-31 thomas fd = open(gitconfig_path, O_RDONLY | O_CLOEXEC);
521 aba9c984 2019-09-08 stsp if (fd == -1) {
522 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
523 aba9c984 2019-09-08 stsp return NULL;
524 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
525 aba9c984 2019-09-08 stsp }
526 aba9c984 2019-09-08 stsp
527 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
528 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
529 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
530 aba9c984 2019-09-08 stsp goto done;
531 aba9c984 2019-09-08 stsp }
532 aba9c984 2019-09-08 stsp
533 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
534 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
535 aba9c984 2019-09-08 stsp goto done;
536 aba9c984 2019-09-08 stsp }
537 aba9c984 2019-09-08 stsp
538 aba9c984 2019-09-08 stsp pid = fork();
539 aba9c984 2019-09-08 stsp if (pid == -1) {
540 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
541 aba9c984 2019-09-08 stsp goto done;
542 aba9c984 2019-09-08 stsp } else if (pid == 0) {
543 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
544 c9956ddf 2019-09-08 stsp gitconfig_path);
545 aba9c984 2019-09-08 stsp /* not reached */
546 aba9c984 2019-09-08 stsp }
547 aba9c984 2019-09-08 stsp
548 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
549 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
550 aba9c984 2019-09-08 stsp goto done;
551 85f51bba 2018-07-16 stsp }
552 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
553 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
554 aba9c984 2019-09-08 stsp
555 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
556 aba9c984 2019-09-08 stsp if (err)
557 aba9c984 2019-09-08 stsp goto done;
558 aba9c984 2019-09-08 stsp fd = -1;
559 aba9c984 2019-09-08 stsp
560 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
561 aba9c984 2019-09-08 stsp if (err)
562 aba9c984 2019-09-08 stsp goto done;
563 aba9c984 2019-09-08 stsp
564 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
565 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
566 aba9c984 2019-09-08 stsp if (err)
567 aba9c984 2019-09-08 stsp goto done;
568 aba9c984 2019-09-08 stsp
569 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
570 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
571 20b7abb3 2020-10-22 stsp ibuf);
572 20b7abb3 2020-10-22 stsp if (err)
573 20b7abb3 2020-10-22 stsp goto done;
574 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
575 20b7abb3 2020-10-22 stsp if (err)
576 20b7abb3 2020-10-22 stsp goto done;
577 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
578 20b7abb3 2020-10-22 stsp int i;
579 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
580 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
581 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
582 20b7abb3 2020-10-22 stsp goto done;
583 20b7abb3 2020-10-22 stsp }
584 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
585 20b7abb3 2020-10-22 stsp char *ext;
586 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
587 20b7abb3 2020-10-22 stsp ibuf);
588 20b7abb3 2020-10-22 stsp if (err)
589 20b7abb3 2020-10-22 stsp goto done;
590 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
591 20b7abb3 2020-10-22 stsp }
592 20b7abb3 2020-10-22 stsp }
593 20b7abb3 2020-10-22 stsp }
594 20b7abb3 2020-10-22 stsp
595 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
596 aba9c984 2019-09-08 stsp if (err)
597 aba9c984 2019-09-08 stsp goto done;
598 aba9c984 2019-09-08 stsp
599 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
600 aba9c984 2019-09-08 stsp if (err)
601 aba9c984 2019-09-08 stsp goto done;
602 aba9c984 2019-09-08 stsp
603 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
604 aba9c984 2019-09-08 stsp if (err)
605 aba9c984 2019-09-08 stsp goto done;
606 aba9c984 2019-09-08 stsp
607 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
608 aba9c984 2019-09-08 stsp if (err)
609 aba9c984 2019-09-08 stsp goto done;
610 cd95becd 2019-11-29 stsp
611 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
612 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
613 cd95becd 2019-11-29 stsp if (err)
614 cd95becd 2019-11-29 stsp goto done;
615 cd95becd 2019-11-29 stsp
616 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
617 cd95becd 2019-11-29 stsp nremotes, ibuf);
618 9a1cc63f 2020-02-03 stsp if (err)
619 9a1cc63f 2020-02-03 stsp goto done;
620 9a1cc63f 2020-02-03 stsp }
621 9a1cc63f 2020-02-03 stsp
622 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
623 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
624 cd95becd 2019-11-29 stsp if (err)
625 cd95becd 2019-11-29 stsp goto done;
626 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
627 9a1cc63f 2020-02-03 stsp if (err)
628 9a1cc63f 2020-02-03 stsp goto done;
629 cd95becd 2019-11-29 stsp }
630 aba9c984 2019-09-08 stsp
631 aba9c984 2019-09-08 stsp err = got_privsep_send_stop(imsg_fds[0]);
632 aba9c984 2019-09-08 stsp child_err = got_privsep_wait_for_child(pid);
633 aba9c984 2019-09-08 stsp if (child_err && err == NULL)
634 aba9c984 2019-09-08 stsp err = child_err;
635 aba9c984 2019-09-08 stsp done:
636 aba9c984 2019-09-08 stsp if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
637 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
638 aba9c984 2019-09-08 stsp if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
639 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
640 aba9c984 2019-09-08 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
641 aba9c984 2019-09-08 stsp err = got_error_from_errno2("close", gitconfig_path);
642 aba9c984 2019-09-08 stsp free(ibuf);
643 c9956ddf 2019-09-08 stsp return err;
644 c9956ddf 2019-09-08 stsp }
645 c9956ddf 2019-09-08 stsp
646 c9956ddf 2019-09-08 stsp static const struct got_error *
647 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
648 c9956ddf 2019-09-08 stsp {
649 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
650 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
651 c9956ddf 2019-09-08 stsp
652 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
653 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
654 c9956ddf 2019-09-08 stsp int dummy_repo_version;
655 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&dummy_repo_version,
656 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
657 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
658 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
659 c9956ddf 2019-09-08 stsp if (err)
660 c9956ddf 2019-09-08 stsp return err;
661 c9956ddf 2019-09-08 stsp }
662 c9956ddf 2019-09-08 stsp
663 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
664 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
665 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
666 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
667 c9956ddf 2019-09-08 stsp
668 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&repo->gitconfig_repository_format_version,
669 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
670 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
671 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
672 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
673 c9956ddf 2019-09-08 stsp if (err)
674 c9956ddf 2019-09-08 stsp goto done;
675 c9956ddf 2019-09-08 stsp done:
676 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
677 257add31 2020-09-09 stsp return err;
678 257add31 2020-09-09 stsp }
679 257add31 2020-09-09 stsp
680 257add31 2020-09-09 stsp static const struct got_error *
681 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
682 257add31 2020-09-09 stsp {
683 257add31 2020-09-09 stsp const struct got_error *err = NULL;
684 257add31 2020-09-09 stsp char *gotconfig_path;
685 257add31 2020-09-09 stsp
686 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
687 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
688 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
689 257add31 2020-09-09 stsp
690 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
691 257add31 2020-09-09 stsp free(gotconfig_path);
692 85f51bba 2018-07-16 stsp return err;
693 85f51bba 2018-07-16 stsp }
694 85f51bba 2018-07-16 stsp
695 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
696 d224ad33 2022-03-22 thomas static const char *const repo_extensions[] = {
697 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
698 2252c019 2021-07-03 stsp "preciousObjects", /* Supported by gotadmin cleanup. */
699 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
700 20b7abb3 2020-10-22 stsp };
701 20b7abb3 2020-10-22 stsp
702 85f51bba 2018-07-16 stsp const struct got_error *
703 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
704 7cd52833 2022-06-23 thomas const char *global_gitconfig_path, int *pack_fds)
705 85f51bba 2018-07-16 stsp {
706 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
707 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
708 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
709 7cd52833 2022-06-23 thomas size_t i, j = 0;
710 6c414261 2021-03-30 stsp struct rlimit rl;
711 4027f31a 2017-11-04 stsp
712 85f51bba 2018-07-16 stsp *repop = NULL;
713 6c414261 2021-03-30 stsp
714 6c414261 2021-03-30 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
715 6c414261 2021-03-30 stsp return got_error_from_errno("getrlimit");
716 4027f31a 2017-11-04 stsp
717 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
718 58cbcd83 2022-03-22 thomas if (repo == NULL)
719 58cbcd83 2022-03-22 thomas return got_error_from_errno("calloc");
720 4545b700 2021-10-15 thomas
721 cfe41121 2021-10-16 thomas RB_INIT(&repo->packidx_bloom_filters);
722 de47d040 2022-03-22 thomas TAILQ_INIT(&repo->packidx_paths);
723 4027f31a 2017-11-04 stsp
724 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
725 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
726 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
727 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
728 ad242220 2018-09-08 stsp }
729 ad242220 2018-09-08 stsp
730 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
731 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
732 6bef87be 2018-09-11 stsp if (err)
733 f6be5c30 2018-06-22 stsp goto done;
734 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
735 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
736 6bef87be 2018-09-11 stsp if (err)
737 1943de01 2018-06-22 stsp goto done;
738 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
739 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
740 6bef87be 2018-09-11 stsp if (err)
741 eb77ee11 2018-07-08 stsp goto done;
742 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
743 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
744 f4a881ce 2018-11-17 stsp if (err)
745 f4a881ce 2018-11-17 stsp goto done;
746 8ab9215c 2021-10-15 thomas err = got_object_cache_init(&repo->rawcache,
747 8ab9215c 2021-10-15 thomas GOT_OBJECT_CACHE_TYPE_RAW);
748 8ab9215c 2021-10-15 thomas if (err)
749 8ab9215c 2021-10-15 thomas goto done;
750 1943de01 2018-06-22 stsp
751 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
752 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
753 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
754 bfb5ee0b 2022-05-31 thomas for (i = 0; i < nitems(repo->packs); i++) {
755 bfb5ee0b 2022-05-31 thomas if (i < repo->pack_cache_size) {
756 7cd52833 2022-06-23 thomas repo->packs[i].basefd = pack_fds[j++];
757 7cd52833 2022-06-23 thomas repo->packs[i].accumfd = pack_fds[j++];
758 bfb5ee0b 2022-05-31 thomas } else {
759 bfb5ee0b 2022-05-31 thomas repo->packs[i].basefd = -1;
760 bfb5ee0b 2022-05-31 thomas repo->packs[i].accumfd = -1;
761 bfb5ee0b 2022-05-31 thomas }
762 bfb5ee0b 2022-05-31 thomas }
763 ec2b23c5 2022-07-01 thomas repo->pinned_pack = -1;
764 ec2b23c5 2022-07-01 thomas repo->pinned_packidx = -1;
765 ec2b23c5 2022-07-01 thomas repo->pinned_pid = 0;
766 6c414261 2021-03-30 stsp
767 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
768 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
769 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
770 92af5469 2017-11-05 stsp goto done;
771 92af5469 2017-11-05 stsp }
772 4027f31a 2017-11-04 stsp
773 aff6eea4 2020-10-20 stsp for (;;) {
774 aff6eea4 2020-10-20 stsp char *parent_path;
775 aff6eea4 2020-10-20 stsp
776 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
777 85f51bba 2018-07-16 stsp if (err == NULL)
778 85f51bba 2018-07-16 stsp break;
779 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
780 9aceaadf 2020-10-20 stsp goto done;
781 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
782 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
783 0c93d204 2020-10-20 stsp goto done;
784 442a3ddc 2018-04-23 stsp }
785 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
786 aff6eea4 2020-10-20 stsp if (err)
787 f2db9c47 2019-08-24 stsp goto done;
788 aff6eea4 2020-10-20 stsp free(repo_path);
789 aff6eea4 2020-10-20 stsp repo_path = parent_path;
790 aff6eea4 2020-10-20 stsp }
791 1d126e2d 2019-08-24 stsp
792 257add31 2020-09-09 stsp err = read_gotconfig(repo);
793 257add31 2020-09-09 stsp if (err)
794 257add31 2020-09-09 stsp goto done;
795 257add31 2020-09-09 stsp
796 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
797 1d126e2d 2019-08-24 stsp if (err)
798 1d126e2d 2019-08-24 stsp goto done;
799 ebb42948 2022-07-21 thomas if (repo->gitconfig_repository_format_version != 0) {
800 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
801 ebb42948 2022-07-21 thomas goto done;
802 ebb42948 2022-07-21 thomas }
803 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
804 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
805 20b7abb3 2020-10-22 stsp int j, supported = 0;
806 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
807 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
808 20b7abb3 2020-10-22 stsp supported = 1;
809 20b7abb3 2020-10-22 stsp break;
810 20b7abb3 2020-10-22 stsp }
811 20b7abb3 2020-10-22 stsp }
812 20b7abb3 2020-10-22 stsp if (!supported) {
813 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
814 20b7abb3 2020-10-22 stsp goto done;
815 20b7abb3 2020-10-22 stsp }
816 20b7abb3 2020-10-22 stsp }
817 de47d040 2022-03-22 thomas
818 de47d040 2022-03-22 thomas err = got_repo_list_packidx(&repo->packidx_paths, repo);
819 92af5469 2017-11-05 stsp done:
820 92af5469 2017-11-05 stsp if (err)
821 5c2f5761 2018-09-19 stsp got_repo_close(repo);
822 85f51bba 2018-07-16 stsp else
823 85f51bba 2018-07-16 stsp *repop = repo;
824 aff6eea4 2020-10-20 stsp free(repo_path);
825 92af5469 2017-11-05 stsp return err;
826 4027f31a 2017-11-04 stsp }
827 4027f31a 2017-11-04 stsp
828 ad242220 2018-09-08 stsp const struct got_error *
829 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
830 4027f31a 2017-11-04 stsp {
831 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
832 0be8fa4c 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
833 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
834 16aeacf7 2020-11-26 stsp size_t i;
835 79b11c62 2018-03-09 stsp
836 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
837 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
838 79b11c62 2018-03-09 stsp break;
839 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
840 4545b700 2021-10-15 thomas }
841 4545b700 2021-10-15 thomas
842 cfe41121 2021-10-16 thomas while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
843 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters))) {
844 cfe41121 2021-10-16 thomas RB_REMOVE(got_packidx_bloom_filter_tree,
845 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
846 4545b700 2021-10-15 thomas free(bf->bloom);
847 4545b700 2021-10-15 thomas free(bf);
848 79b11c62 2018-03-09 stsp }
849 bd1223b9 2018-03-14 stsp
850 7cd52833 2022-06-23 thomas for (i = 0; i < repo->pack_cache_size; i++)
851 cf032c44 2022-05-31 thomas if (repo->packs[i].path_packfile)
852 7cd52833 2022-06-23 thomas if (repo->packs[i].path_packfile)
853 7cd52833 2022-06-23 thomas got_pack_close(&repo->packs[i]);
854 7e656b93 2018-03-17 stsp
855 4027f31a 2017-11-04 stsp free(repo->path);
856 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
857 cd717821 2018-06-22 stsp
858 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
859 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
860 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
861 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
862 8ab9215c 2021-10-15 thomas got_object_cache_close(&repo->rawcache);
863 ad242220 2018-09-08 stsp
864 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
865 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
866 ad242220 2018-09-08 stsp continue;
867 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
868 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
869 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
870 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
871 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
872 ad242220 2018-09-08 stsp if (child_err && err == NULL)
873 ad242220 2018-09-08 stsp err = child_err;
874 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
875 3a6ce05a 2019-02-11 stsp err == NULL)
876 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
877 ad242220 2018-09-08 stsp }
878 aba9c984 2019-09-08 stsp
879 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
880 1d0f4054 2021-06-17 stsp err == NULL)
881 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
882 991ff1aa 2021-06-15 tracey
883 50b0790e 2020-09-11 stsp if (repo->gotconfig)
884 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
885 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
886 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
887 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
888 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
889 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
890 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
891 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
892 20b7abb3 2020-10-22 stsp free(repo->extensions);
893 de47d040 2022-03-22 thomas
894 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry)
895 de47d040 2022-03-22 thomas free((void *)pe->path);
896 de47d040 2022-03-22 thomas got_pathlist_free(&repo->packidx_paths);
897 4027f31a 2017-11-04 stsp free(repo);
898 ad242220 2018-09-08 stsp
899 ad242220 2018-09-08 stsp return err;
900 b8adfa55 2020-09-25 stsp }
901 b8adfa55 2020-09-25 stsp
902 b8adfa55 2020-09-25 stsp void
903 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
904 b8adfa55 2020-09-25 stsp {
905 b8adfa55 2020-09-25 stsp int i;
906 b8adfa55 2020-09-25 stsp
907 b8adfa55 2020-09-25 stsp free(repo->name);
908 b8adfa55 2020-09-25 stsp repo->name = NULL;
909 6480c871 2021-08-30 stsp free(repo->fetch_url);
910 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
911 6480c871 2021-08-30 stsp free(repo->send_url);
912 6480c871 2021-08-30 stsp repo->send_url = NULL;
913 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
914 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
915 6480c871 2021-08-30 stsp free(repo->fetch_branches);
916 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
917 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
918 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
919 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
920 6480c871 2021-08-30 stsp free(repo->send_branches);
921 6480c871 2021-08-30 stsp repo->send_branches = NULL;
922 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
923 4027f31a 2017-11-04 stsp }
924 04ca23f4 2018-07-16 stsp
925 04ca23f4 2018-07-16 stsp const struct got_error *
926 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
927 8fa913ec 2020-11-14 stsp const char *input_path)
928 04ca23f4 2018-07-16 stsp {
929 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
930 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
931 e83c0634 2020-01-27 stsp size_t repolen, len;
932 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
933 04ca23f4 2018-07-16 stsp
934 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
935 04ca23f4 2018-07-16 stsp
936 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
937 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
938 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
939 04ca23f4 2018-07-16 stsp goto done;
940 04ca23f4 2018-07-16 stsp }
941 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
942 04ca23f4 2018-07-16 stsp if (err)
943 04ca23f4 2018-07-16 stsp goto done;
944 04ca23f4 2018-07-16 stsp
945 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
946 04ca23f4 2018-07-16 stsp
947 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
948 23721109 2018-10-22 stsp path = strdup(canonpath);
949 b70703ad 2019-03-18 stsp if (path == NULL) {
950 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
951 04ca23f4 2018-07-16 stsp goto done;
952 04ca23f4 2018-07-16 stsp }
953 04ca23f4 2018-07-16 stsp } else {
954 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
955 04ca23f4 2018-07-16 stsp if (path == NULL) {
956 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
957 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
958 230a42bd 2019-05-11 jcs canonpath);
959 b70703ad 2019-03-18 stsp goto done;
960 b70703ad 2019-03-18 stsp }
961 b70703ad 2019-03-18 stsp /*
962 b70703ad 2019-03-18 stsp * Path is not on disk.
963 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
964 b70703ad 2019-03-18 stsp */
965 b70703ad 2019-03-18 stsp path = strdup(canonpath);
966 b70703ad 2019-03-18 stsp if (path == NULL) {
967 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
968 b70703ad 2019-03-18 stsp goto done;
969 b70703ad 2019-03-18 stsp }
970 04ca23f4 2018-07-16 stsp }
971 04ca23f4 2018-07-16 stsp
972 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
973 04ca23f4 2018-07-16 stsp len = strlen(path);
974 04ca23f4 2018-07-16 stsp
975 04ca23f4 2018-07-16 stsp
976 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
977 04ca23f4 2018-07-16 stsp free(path);
978 04ca23f4 2018-07-16 stsp path = strdup("");
979 04ca23f4 2018-07-16 stsp if (path == NULL) {
980 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
981 04ca23f4 2018-07-16 stsp goto done;
982 04ca23f4 2018-07-16 stsp }
983 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
984 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
985 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
986 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
987 04ca23f4 2018-07-16 stsp /*
988 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
989 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
990 04ca23f4 2018-07-16 stsp */
991 abc59930 2021-09-05 naddy free(path);
992 abc59930 2021-09-05 naddy path = canonpath;
993 abc59930 2021-09-05 naddy canonpath = NULL;
994 04ca23f4 2018-07-16 stsp } else {
995 04ca23f4 2018-07-16 stsp char *child;
996 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
997 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
998 04ca23f4 2018-07-16 stsp repo_abspath, path);
999 04ca23f4 2018-07-16 stsp if (err)
1000 04ca23f4 2018-07-16 stsp goto done;
1001 04ca23f4 2018-07-16 stsp free(path);
1002 04ca23f4 2018-07-16 stsp path = child;
1003 04ca23f4 2018-07-16 stsp }
1004 04ca23f4 2018-07-16 stsp } else {
1005 04ca23f4 2018-07-16 stsp /*
1006 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
1007 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
1008 04ca23f4 2018-07-16 stsp */
1009 abc59930 2021-09-05 naddy free(path);
1010 abc59930 2021-09-05 naddy path = canonpath;
1011 abc59930 2021-09-05 naddy canonpath = NULL;
1012 04ca23f4 2018-07-16 stsp }
1013 04ca23f4 2018-07-16 stsp }
1014 04ca23f4 2018-07-16 stsp
1015 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
1016 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
1017 04ca23f4 2018-07-16 stsp char *abspath;
1018 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
1019 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1020 04ca23f4 2018-07-16 stsp goto done;
1021 04ca23f4 2018-07-16 stsp }
1022 04ca23f4 2018-07-16 stsp free(path);
1023 04ca23f4 2018-07-16 stsp path = abspath;
1024 04ca23f4 2018-07-16 stsp }
1025 04ca23f4 2018-07-16 stsp
1026 04ca23f4 2018-07-16 stsp done:
1027 04ca23f4 2018-07-16 stsp free(canonpath);
1028 04ca23f4 2018-07-16 stsp if (err)
1029 04ca23f4 2018-07-16 stsp free(path);
1030 04ca23f4 2018-07-16 stsp else
1031 04ca23f4 2018-07-16 stsp *in_repo_path = path;
1032 1510f469 2018-09-09 stsp return err;
1033 1510f469 2018-09-09 stsp }
1034 1510f469 2018-09-09 stsp
1035 e1a68182 2020-01-07 stsp static const struct got_error *
1036 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
1037 e1a68182 2020-01-07 stsp const char *path_packidx)
1038 1510f469 2018-09-09 stsp {
1039 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1040 16aeacf7 2020-11-26 stsp size_t i;
1041 1510f469 2018-09-09 stsp
1042 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1043 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1044 1510f469 2018-09-09 stsp break;
1045 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1046 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1047 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1048 e1a68182 2020-01-07 stsp }
1049 1510f469 2018-09-09 stsp }
1050 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1051 ec2b23c5 2022-07-01 thomas do {
1052 ec2b23c5 2022-07-01 thomas i--;
1053 ec2b23c5 2022-07-01 thomas } while (i > 0 && repo->pinned_packidx >= 0 &&
1054 ec2b23c5 2022-07-01 thomas i == repo->pinned_packidx);
1055 3333aec6 2021-10-15 thomas err = got_packidx_close(repo->packidx_cache[i]);
1056 1510f469 2018-09-09 stsp if (err)
1057 1510f469 2018-09-09 stsp return err;
1058 1510f469 2018-09-09 stsp }
1059 1510f469 2018-09-09 stsp
1060 3333aec6 2021-10-15 thomas repo->packidx_cache[i] = packidx;
1061 15fe583f 2018-11-05 stsp
1062 1510f469 2018-09-09 stsp return NULL;
1063 1510f469 2018-09-09 stsp }
1064 1510f469 2018-09-09 stsp
1065 1124fe40 2021-07-07 stsp int
1066 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
1067 1510f469 2018-09-09 stsp {
1068 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
1069 1510f469 2018-09-09 stsp return 0;
1070 1510f469 2018-09-09 stsp
1071 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
1072 1510f469 2018-09-09 stsp return 0;
1073 1510f469 2018-09-09 stsp
1074 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
1075 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
1076 1510f469 2018-09-09 stsp return 0;
1077 4545b700 2021-10-15 thomas
1078 4545b700 2021-10-15 thomas return 1;
1079 0be8fa4c 2021-10-15 thomas }
1080 0be8fa4c 2021-10-15 thomas
1081 cfe41121 2021-10-16 thomas static struct got_packidx_bloom_filter *
1082 cfe41121 2021-10-16 thomas get_packidx_bloom_filter(struct got_repository *repo,
1083 cfe41121 2021-10-16 thomas const char *path, size_t path_len)
1084 cfe41121 2021-10-16 thomas {
1085 cfe41121 2021-10-16 thomas struct got_packidx_bloom_filter key;
1086 cfe41121 2021-10-16 thomas
1087 cfe41121 2021-10-16 thomas if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
1088 cfe41121 2021-10-16 thomas return NULL; /* XXX */
1089 cfe41121 2021-10-16 thomas key.path_len = path_len;
1090 cfe41121 2021-10-16 thomas
1091 cfe41121 2021-10-16 thomas return RB_FIND(got_packidx_bloom_filter_tree,
1092 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, &key);
1093 cfe41121 2021-10-16 thomas }
1094 cfe41121 2021-10-16 thomas
1095 f9c2e8e5 2022-02-13 thomas int
1096 f9c2e8e5 2022-02-13 thomas got_repo_check_packidx_bloom_filter(struct got_repository *repo,
1097 4545b700 2021-10-15 thomas const char *path_packidx, struct got_object_id *id)
1098 4545b700 2021-10-15 thomas {
1099 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1100 4545b700 2021-10-15 thomas
1101 cfe41121 2021-10-16 thomas bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
1102 cfe41121 2021-10-16 thomas if (bf)
1103 cfe41121 2021-10-16 thomas return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
1104 1510f469 2018-09-09 stsp
1105 4545b700 2021-10-15 thomas /* No bloom filter means this pack index must be searched. */
1106 1510f469 2018-09-09 stsp return 1;
1107 4545b700 2021-10-15 thomas }
1108 4545b700 2021-10-15 thomas
1109 4545b700 2021-10-15 thomas static const struct got_error *
1110 4545b700 2021-10-15 thomas add_packidx_bloom_filter(struct got_repository *repo,
1111 4545b700 2021-10-15 thomas struct got_packidx *packidx, const char *path_packidx)
1112 4545b700 2021-10-15 thomas {
1113 4545b700 2021-10-15 thomas int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1114 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1115 4545b700 2021-10-15 thomas size_t len;
1116 4545b700 2021-10-15 thomas
1117 4545b700 2021-10-15 thomas /*
1118 4545b700 2021-10-15 thomas * Don't use bloom filters for very large pack index files.
1119 4545b700 2021-10-15 thomas * Large pack files will contain a relatively large fraction
1120 4545b700 2021-10-15 thomas * of our objects so we will likely need to visit them anyway.
1121 4545b700 2021-10-15 thomas * The more objects a pack file contains the higher the probability
1122 4545b700 2021-10-15 thomas * of a false-positive match from the bloom filter. And reading
1123 4545b700 2021-10-15 thomas * all object IDs from a large pack index file can be expensive.
1124 4545b700 2021-10-15 thomas */
1125 4545b700 2021-10-15 thomas if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1126 4545b700 2021-10-15 thomas return NULL;
1127 4545b700 2021-10-15 thomas
1128 4545b700 2021-10-15 thomas /* Do we already have a filter for this pack index? */
1129 cfe41121 2021-10-16 thomas if (get_packidx_bloom_filter(repo, path_packidx,
1130 cfe41121 2021-10-16 thomas strlen(path_packidx)) != NULL)
1131 cfe41121 2021-10-16 thomas return NULL;
1132 4545b700 2021-10-15 thomas
1133 4545b700 2021-10-15 thomas bf = calloc(1, sizeof(*bf));
1134 4545b700 2021-10-15 thomas if (bf == NULL)
1135 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1136 4545b700 2021-10-15 thomas bf->bloom = calloc(1, sizeof(*bf->bloom));
1137 4545b700 2021-10-15 thomas if (bf->bloom == NULL) {
1138 4545b700 2021-10-15 thomas free(bf);
1139 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1140 4545b700 2021-10-15 thomas }
1141 4545b700 2021-10-15 thomas
1142 cfe41121 2021-10-16 thomas len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1143 cfe41121 2021-10-16 thomas if (len >= sizeof(bf->path)) {
1144 4545b700 2021-10-15 thomas free(bf->bloom);
1145 4545b700 2021-10-15 thomas free(bf);
1146 4545b700 2021-10-15 thomas return got_error(GOT_ERR_NO_SPACE);
1147 4545b700 2021-10-15 thomas }
1148 cfe41121 2021-10-16 thomas bf->path_len = len;
1149 4545b700 2021-10-15 thomas
1150 4545b700 2021-10-15 thomas /* Minimum size supported by our bloom filter is 1000 entries. */
1151 4545b700 2021-10-15 thomas bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1152 4545b700 2021-10-15 thomas for (i = 0; i < nobjects; i++) {
1153 4545b700 2021-10-15 thomas struct got_packidx_object_id *id;
1154 4545b700 2021-10-15 thomas id = &packidx->hdr.sorted_ids[i];
1155 4545b700 2021-10-15 thomas bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1156 4545b700 2021-10-15 thomas }
1157 4545b700 2021-10-15 thomas
1158 cfe41121 2021-10-16 thomas RB_INSERT(got_packidx_bloom_filter_tree,
1159 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
1160 4545b700 2021-10-15 thomas return NULL;
1161 1510f469 2018-09-09 stsp }
1162 1510f469 2018-09-09 stsp
1163 1510f469 2018-09-09 stsp const struct got_error *
1164 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1165 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
1166 1510f469 2018-09-09 stsp {
1167 1510f469 2018-09-09 stsp const struct got_error *err;
1168 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
1169 16aeacf7 2020-11-26 stsp size_t i;
1170 1510f469 2018-09-09 stsp
1171 1510f469 2018-09-09 stsp /* Search pack index cache. */
1172 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1173 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1174 1510f469 2018-09-09 stsp break;
1175 f9c2e8e5 2022-02-13 thomas if (!got_repo_check_packidx_bloom_filter(repo,
1176 4545b700 2021-10-15 thomas repo->packidx_cache[i]->path_packidx, id))
1177 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1178 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1179 1510f469 2018-09-09 stsp if (*idx != -1) {
1180 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
1181 87c1ed2b 2020-01-07 stsp /*
1182 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
1183 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
1184 87c1ed2b 2020-01-07 stsp */
1185 87c1ed2b 2020-01-07 stsp if (i > 0) {
1186 3333aec6 2021-10-15 thomas memmove(&repo->packidx_cache[1],
1187 3333aec6 2021-10-15 thomas &repo->packidx_cache[0],
1188 3333aec6 2021-10-15 thomas i * sizeof(repo->packidx_cache[0]));
1189 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
1190 ec2b23c5 2022-07-01 thomas if (repo->pinned_packidx >= 0 &&
1191 ec2b23c5 2022-07-01 thomas repo->pinned_packidx < i)
1192 ec2b23c5 2022-07-01 thomas repo->pinned_packidx++;
1193 ec2b23c5 2022-07-01 thomas else if (repo->pinned_packidx == i)
1194 ec2b23c5 2022-07-01 thomas repo->pinned_packidx = 0;
1195 87c1ed2b 2020-01-07 stsp }
1196 1510f469 2018-09-09 stsp return NULL;
1197 1510f469 2018-09-09 stsp }
1198 1510f469 2018-09-09 stsp }
1199 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
1200 1510f469 2018-09-09 stsp
1201 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1202 de47d040 2022-03-22 thomas const char *path_packidx = pe->path;
1203 e1a68182 2020-01-07 stsp int is_cached = 0;
1204 e1a68182 2020-01-07 stsp
1205 f9c2e8e5 2022-02-13 thomas if (!got_repo_check_packidx_bloom_filter(repo,
1206 de47d040 2022-03-22 thomas pe->path, id))
1207 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1208 4545b700 2021-10-15 thomas
1209 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1210 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1211 e1a68182 2020-01-07 stsp break;
1212 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1213 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1214 e1a68182 2020-01-07 stsp is_cached = 1;
1215 e1a68182 2020-01-07 stsp break;
1216 e1a68182 2020-01-07 stsp }
1217 1510f469 2018-09-09 stsp }
1218 de47d040 2022-03-22 thomas if (is_cached)
1219 e1a68182 2020-01-07 stsp continue; /* already searched */
1220 1510f469 2018-09-09 stsp
1221 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1222 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1223 de47d040 2022-03-22 thomas if (err)
1224 e1a68182 2020-01-07 stsp goto done;
1225 e1a68182 2020-01-07 stsp
1226 4545b700 2021-10-15 thomas err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1227 de47d040 2022-03-22 thomas if (err)
1228 4545b700 2021-10-15 thomas goto done;
1229 4545b700 2021-10-15 thomas
1230 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1231 1510f469 2018-09-09 stsp if (err)
1232 1510f469 2018-09-09 stsp goto done;
1233 1510f469 2018-09-09 stsp
1234 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1235 1510f469 2018-09-09 stsp if (*idx != -1) {
1236 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1237 1510f469 2018-09-09 stsp goto done;
1238 1510f469 2018-09-09 stsp }
1239 1510f469 2018-09-09 stsp }
1240 1510f469 2018-09-09 stsp
1241 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1242 1510f469 2018-09-09 stsp done:
1243 04ca23f4 2018-07-16 stsp return err;
1244 04ca23f4 2018-07-16 stsp }
1245 1510f469 2018-09-09 stsp
1246 f9c2e8e5 2022-02-13 thomas const struct got_error *
1247 f9c2e8e5 2022-02-13 thomas got_repo_list_packidx(struct got_pathlist_head *packidx_paths,
1248 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
1249 f9c2e8e5 2022-02-13 thomas {
1250 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
1251 f9c2e8e5 2022-02-13 thomas DIR *packdir = NULL;
1252 f9c2e8e5 2022-02-13 thomas struct dirent *dent;
1253 f9c2e8e5 2022-02-13 thomas char *path_packidx = NULL;
1254 f9c2e8e5 2022-02-13 thomas int packdir_fd;
1255 f9c2e8e5 2022-02-13 thomas
1256 f9c2e8e5 2022-02-13 thomas packdir_fd = openat(got_repo_get_fd(repo),
1257 f9c2e8e5 2022-02-13 thomas GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1258 f9c2e8e5 2022-02-13 thomas if (packdir_fd == -1) {
1259 f9c2e8e5 2022-02-13 thomas return got_error_from_errno_fmt("openat: %s/%s",
1260 f9c2e8e5 2022-02-13 thomas got_repo_get_path_git_dir(repo),
1261 f9c2e8e5 2022-02-13 thomas GOT_OBJECTS_PACK_DIR);
1262 f9c2e8e5 2022-02-13 thomas }
1263 f9c2e8e5 2022-02-13 thomas
1264 f9c2e8e5 2022-02-13 thomas packdir = fdopendir(packdir_fd);
1265 f9c2e8e5 2022-02-13 thomas if (packdir == NULL) {
1266 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fdopendir");
1267 f9c2e8e5 2022-02-13 thomas goto done;
1268 f9c2e8e5 2022-02-13 thomas }
1269 f9c2e8e5 2022-02-13 thomas
1270 f9c2e8e5 2022-02-13 thomas while ((dent = readdir(packdir)) != NULL) {
1271 9389bcf6 2022-02-13 thomas if (!got_repo_is_packidx_filename(dent->d_name,
1272 9389bcf6 2022-02-13 thomas strlen(dent->d_name)))
1273 f9c2e8e5 2022-02-13 thomas continue;
1274 f9c2e8e5 2022-02-13 thomas
1275 f9c2e8e5 2022-02-13 thomas if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1276 f9c2e8e5 2022-02-13 thomas dent->d_name) == -1) {
1277 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("asprintf");
1278 f9c2e8e5 2022-02-13 thomas path_packidx = NULL;
1279 f9c2e8e5 2022-02-13 thomas break;
1280 f9c2e8e5 2022-02-13 thomas }
1281 f9c2e8e5 2022-02-13 thomas
1282 f9c2e8e5 2022-02-13 thomas err = got_pathlist_append(packidx_paths, path_packidx, NULL);
1283 f9c2e8e5 2022-02-13 thomas if (err)
1284 f9c2e8e5 2022-02-13 thomas break;
1285 f9c2e8e5 2022-02-13 thomas }
1286 f9c2e8e5 2022-02-13 thomas done:
1287 f9c2e8e5 2022-02-13 thomas if (err)
1288 f9c2e8e5 2022-02-13 thomas free(path_packidx);
1289 f9c2e8e5 2022-02-13 thomas if (packdir && closedir(packdir) != 0 && err == NULL)
1290 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("closedir");
1291 f9c2e8e5 2022-02-13 thomas return err;
1292 f9c2e8e5 2022-02-13 thomas }
1293 f9c2e8e5 2022-02-13 thomas
1294 f9c2e8e5 2022-02-13 thomas const struct got_error *
1295 f9c2e8e5 2022-02-13 thomas got_repo_get_packidx(struct got_packidx **packidx, const char *path_packidx,
1296 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
1297 f9c2e8e5 2022-02-13 thomas {
1298 f9c2e8e5 2022-02-13 thomas const struct got_error *err;
1299 f9c2e8e5 2022-02-13 thomas size_t i;
1300 f9c2e8e5 2022-02-13 thomas
1301 f9c2e8e5 2022-02-13 thomas *packidx = NULL;
1302 f9c2e8e5 2022-02-13 thomas
1303 f9c2e8e5 2022-02-13 thomas /* Search pack index cache. */
1304 f9c2e8e5 2022-02-13 thomas for (i = 0; i < repo->pack_cache_size; i++) {
1305 f9c2e8e5 2022-02-13 thomas if (repo->packidx_cache[i] == NULL)
1306 f9c2e8e5 2022-02-13 thomas break;
1307 f9c2e8e5 2022-02-13 thomas if (strcmp(repo->packidx_cache[i]->path_packidx,
1308 f9c2e8e5 2022-02-13 thomas path_packidx) == 0) {
1309 f9c2e8e5 2022-02-13 thomas *packidx = repo->packidx_cache[i];
1310 f9c2e8e5 2022-02-13 thomas return NULL;
1311 f9c2e8e5 2022-02-13 thomas }
1312 f9c2e8e5 2022-02-13 thomas }
1313 f9c2e8e5 2022-02-13 thomas /* No luck. Search the filesystem. */
1314 f9c2e8e5 2022-02-13 thomas
1315 f9c2e8e5 2022-02-13 thomas err = got_packidx_open(packidx, got_repo_get_fd(repo),
1316 f9c2e8e5 2022-02-13 thomas path_packidx, 0);
1317 f9c2e8e5 2022-02-13 thomas if (err)
1318 f9c2e8e5 2022-02-13 thomas return err;
1319 f9c2e8e5 2022-02-13 thomas
1320 f9c2e8e5 2022-02-13 thomas err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1321 f9c2e8e5 2022-02-13 thomas if (err)
1322 f9c2e8e5 2022-02-13 thomas goto done;
1323 f9c2e8e5 2022-02-13 thomas
1324 f9c2e8e5 2022-02-13 thomas err = cache_packidx(repo, *packidx, path_packidx);
1325 f9c2e8e5 2022-02-13 thomas done:
1326 f9c2e8e5 2022-02-13 thomas if (err) {
1327 f9c2e8e5 2022-02-13 thomas got_packidx_close(*packidx);
1328 f9c2e8e5 2022-02-13 thomas *packidx = NULL;
1329 f9c2e8e5 2022-02-13 thomas }
1330 f9c2e8e5 2022-02-13 thomas return err;
1331 f9c2e8e5 2022-02-13 thomas }
1332 f9c2e8e5 2022-02-13 thomas
1333 1510f469 2018-09-09 stsp static const struct got_error *
1334 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1335 1510f469 2018-09-09 stsp {
1336 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1337 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1338 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1339 1510f469 2018-09-09 stsp ssize_t n;
1340 1510f469 2018-09-09 stsp
1341 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1342 1510f469 2018-09-09 stsp if (n < 0)
1343 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1344 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1345 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1346 1510f469 2018-09-09 stsp
1347 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1348 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1349 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1350 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1351 1510f469 2018-09-09 stsp
1352 1510f469 2018-09-09 stsp return err;
1353 1510f469 2018-09-09 stsp }
1354 1510f469 2018-09-09 stsp
1355 1510f469 2018-09-09 stsp static const struct got_error *
1356 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1357 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1358 1510f469 2018-09-09 stsp {
1359 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1360 1510f469 2018-09-09 stsp
1361 fc63f50d 2021-12-31 thomas *fd = openat(got_repo_get_fd(repo), relpath,
1362 fc63f50d 2021-12-31 thomas O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
1363 1510f469 2018-09-09 stsp if (*fd == -1)
1364 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1365 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1366 1510f469 2018-09-09 stsp
1367 1510f469 2018-09-09 stsp if (packidx) {
1368 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1369 1510f469 2018-09-09 stsp if (err) {
1370 1510f469 2018-09-09 stsp close(*fd);
1371 1510f469 2018-09-09 stsp *fd = -1;
1372 1510f469 2018-09-09 stsp }
1373 1510f469 2018-09-09 stsp }
1374 1510f469 2018-09-09 stsp
1375 1510f469 2018-09-09 stsp return err;
1376 1510f469 2018-09-09 stsp }
1377 1510f469 2018-09-09 stsp
1378 1510f469 2018-09-09 stsp const struct got_error *
1379 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1380 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1381 1510f469 2018-09-09 stsp {
1382 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1383 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1384 ff563a3d 2019-05-23 stsp struct stat sb;
1385 16aeacf7 2020-11-26 stsp size_t i;
1386 1510f469 2018-09-09 stsp
1387 1510f469 2018-09-09 stsp if (packp)
1388 1510f469 2018-09-09 stsp *packp = NULL;
1389 1510f469 2018-09-09 stsp
1390 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1391 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1392 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1393 1510f469 2018-09-09 stsp break;
1394 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1395 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1396 1510f469 2018-09-09 stsp }
1397 1510f469 2018-09-09 stsp
1398 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1399 93948435 2022-06-13 thomas struct got_pack tmp;
1400 ec2b23c5 2022-07-01 thomas do {
1401 ec2b23c5 2022-07-01 thomas i--;
1402 ec2b23c5 2022-07-01 thomas } while (i > 0 && repo->pinned_pack >= 0 &&
1403 ec2b23c5 2022-07-01 thomas i == repo->pinned_pack);
1404 ec2b23c5 2022-07-01 thomas err = got_pack_close(&repo->packs[i]);
1405 1510f469 2018-09-09 stsp if (err)
1406 1510f469 2018-09-09 stsp return err;
1407 ec2b23c5 2022-07-01 thomas if (ftruncate(repo->packs[i].basefd, 0L) == -1)
1408 bfb5ee0b 2022-05-31 thomas return got_error_from_errno("ftruncate");
1409 ec2b23c5 2022-07-01 thomas if (ftruncate(repo->packs[i].accumfd, 0L) == -1)
1410 ec2b23c5 2022-07-01 thomas return got_error_from_errno("ftruncate");
1411 ec2b23c5 2022-07-01 thomas memcpy(&tmp, &repo->packs[i], sizeof(tmp));
1412 ec2b23c5 2022-07-01 thomas memcpy(&repo->packs[i], &repo->packs[0],
1413 ec2b23c5 2022-07-01 thomas sizeof(repo->packs[i]));
1414 93948435 2022-06-13 thomas memcpy(&repo->packs[0], &tmp, sizeof(repo->packs[0]));
1415 ec2b23c5 2022-07-01 thomas if (repo->pinned_pack == 0)
1416 ec2b23c5 2022-07-01 thomas repo->pinned_pack = i;
1417 ec2b23c5 2022-07-01 thomas else if (repo->pinned_pack == i)
1418 ec2b23c5 2022-07-01 thomas repo->pinned_pack = 0;
1419 1510f469 2018-09-09 stsp i = 0;
1420 1510f469 2018-09-09 stsp }
1421 1510f469 2018-09-09 stsp
1422 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1423 1510f469 2018-09-09 stsp
1424 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1425 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1426 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1427 1510f469 2018-09-09 stsp goto done;
1428 1510f469 2018-09-09 stsp }
1429 1510f469 2018-09-09 stsp
1430 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1431 1510f469 2018-09-09 stsp if (err)
1432 1510f469 2018-09-09 stsp goto done;
1433 1510f469 2018-09-09 stsp
1434 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1435 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1436 1510f469 2018-09-09 stsp goto done;
1437 ff563a3d 2019-05-23 stsp }
1438 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1439 90636195 2018-09-11 stsp
1440 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1441 1510f469 2018-09-09 stsp
1442 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1443 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1444 1510f469 2018-09-09 stsp pack->fd, 0);
1445 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1446 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1447 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1448 3a11398b 2019-02-21 stsp goto done;
1449 3a11398b 2019-02-21 stsp }
1450 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1451 3a11398b 2019-02-21 stsp }
1452 1510f469 2018-09-09 stsp #endif
1453 1510f469 2018-09-09 stsp done:
1454 1510f469 2018-09-09 stsp if (err) {
1455 1510f469 2018-09-09 stsp if (pack) {
1456 1510f469 2018-09-09 stsp free(pack->path_packfile);
1457 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1458 1510f469 2018-09-09 stsp }
1459 1510f469 2018-09-09 stsp } else if (packp)
1460 1510f469 2018-09-09 stsp *packp = pack;
1461 1510f469 2018-09-09 stsp return err;
1462 1510f469 2018-09-09 stsp }
1463 1510f469 2018-09-09 stsp
1464 1510f469 2018-09-09 stsp struct got_pack *
1465 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1466 1510f469 2018-09-09 stsp {
1467 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1468 16aeacf7 2020-11-26 stsp size_t i;
1469 1510f469 2018-09-09 stsp
1470 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1471 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1472 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1473 1510f469 2018-09-09 stsp break;
1474 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1475 1510f469 2018-09-09 stsp return pack;
1476 ec2b23c5 2022-07-01 thomas }
1477 ec2b23c5 2022-07-01 thomas
1478 ec2b23c5 2022-07-01 thomas return NULL;
1479 ec2b23c5 2022-07-01 thomas }
1480 ec2b23c5 2022-07-01 thomas
1481 ec2b23c5 2022-07-01 thomas const struct got_error *
1482 ec2b23c5 2022-07-01 thomas got_repo_pin_pack(struct got_repository *repo, struct got_packidx *packidx,
1483 ec2b23c5 2022-07-01 thomas struct got_pack *pack)
1484 ec2b23c5 2022-07-01 thomas {
1485 ec2b23c5 2022-07-01 thomas size_t i;
1486 ec2b23c5 2022-07-01 thomas int pinned_pack = -1, pinned_packidx = -1;
1487 ec2b23c5 2022-07-01 thomas
1488 ec2b23c5 2022-07-01 thomas for (i = 0; i < repo->pack_cache_size; i++) {
1489 ec2b23c5 2022-07-01 thomas if (repo->packidx_cache[i] &&
1490 ec2b23c5 2022-07-01 thomas strcmp(repo->packidx_cache[i]->path_packidx,
1491 ec2b23c5 2022-07-01 thomas packidx->path_packidx) == 0)
1492 ec2b23c5 2022-07-01 thomas pinned_packidx = i;
1493 ec2b23c5 2022-07-01 thomas if (repo->packs[i].path_packfile &&
1494 ec2b23c5 2022-07-01 thomas strcmp(repo->packs[i].path_packfile,
1495 ec2b23c5 2022-07-01 thomas pack->path_packfile) == 0)
1496 ec2b23c5 2022-07-01 thomas pinned_pack = i;
1497 2c7829a4 2019-06-17 stsp }
1498 ec2b23c5 2022-07-01 thomas
1499 ec2b23c5 2022-07-01 thomas if (pinned_packidx == -1 || pinned_pack == -1)
1500 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PIN_PACK);
1501 ec2b23c5 2022-07-01 thomas
1502 ec2b23c5 2022-07-01 thomas repo->pinned_pack = pinned_pack;
1503 ec2b23c5 2022-07-01 thomas repo->pinned_packidx = pinned_packidx;
1504 ec2b23c5 2022-07-01 thomas repo->pinned_pid = repo->packs[pinned_pack].privsep_child->pid;
1505 ec2b23c5 2022-07-01 thomas return NULL;
1506 ec2b23c5 2022-07-01 thomas }
1507 ec2b23c5 2022-07-01 thomas
1508 ec2b23c5 2022-07-01 thomas struct got_pack *
1509 ec2b23c5 2022-07-01 thomas got_repo_get_pinned_pack(struct got_repository *repo)
1510 ec2b23c5 2022-07-01 thomas {
1511 ec2b23c5 2022-07-01 thomas if (repo->pinned_pack >= 0 &&
1512 ec2b23c5 2022-07-01 thomas repo->pinned_pack < repo->pack_cache_size)
1513 ec2b23c5 2022-07-01 thomas return &repo->packs[repo->pinned_pack];
1514 2c7829a4 2019-06-17 stsp
1515 2c7829a4 2019-06-17 stsp return NULL;
1516 ec2b23c5 2022-07-01 thomas }
1517 ec2b23c5 2022-07-01 thomas
1518 ec2b23c5 2022-07-01 thomas void
1519 ec2b23c5 2022-07-01 thomas got_repo_unpin_pack(struct got_repository *repo)
1520 ec2b23c5 2022-07-01 thomas {
1521 ec2b23c5 2022-07-01 thomas repo->pinned_packidx = -1;
1522 ec2b23c5 2022-07-01 thomas repo->pinned_pack = -1;
1523 ec2b23c5 2022-07-01 thomas repo->pinned_pid = 0;
1524 2c7829a4 2019-06-17 stsp }
1525 2c7829a4 2019-06-17 stsp
1526 2c7829a4 2019-06-17 stsp const struct got_error *
1527 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1528 2c7829a4 2019-06-17 stsp {
1529 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1530 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1531 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1532 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1533 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1534 2c7829a4 2019-06-17 stsp };
1535 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1536 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1537 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1538 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1539 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1540 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1541 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1542 2c7829a4 2019-06-17 stsp char *path;
1543 16aeacf7 2020-11-26 stsp size_t i;
1544 2c7829a4 2019-06-17 stsp
1545 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1546 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1547 2c7829a4 2019-06-17 stsp
1548 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1549 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1550 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1551 2c7829a4 2019-06-17 stsp }
1552 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1553 2c7829a4 2019-06-17 stsp free(path);
1554 2c7829a4 2019-06-17 stsp if (err)
1555 2c7829a4 2019-06-17 stsp return err;
1556 1510f469 2018-09-09 stsp }
1557 1510f469 2018-09-09 stsp
1558 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1559 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1560 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1561 2c7829a4 2019-06-17 stsp free(path);
1562 2c7829a4 2019-06-17 stsp if (err)
1563 2c7829a4 2019-06-17 stsp return err;
1564 2c7829a4 2019-06-17 stsp
1565 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1566 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1567 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1568 2c7829a4 2019-06-17 stsp free(path);
1569 2c7829a4 2019-06-17 stsp if (err)
1570 2c7829a4 2019-06-17 stsp return err;
1571 2c7829a4 2019-06-17 stsp
1572 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1573 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1574 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1575 2c7829a4 2019-06-17 stsp free(path);
1576 2c7829a4 2019-06-17 stsp if (err)
1577 2c7829a4 2019-06-17 stsp return err;
1578 2c7829a4 2019-06-17 stsp
1579 1510f469 2018-09-09 stsp return NULL;
1580 e09a504c 2019-06-28 stsp }
1581 e09a504c 2019-06-28 stsp
1582 e09a504c 2019-06-28 stsp static const struct got_error *
1583 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1584 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1585 e09a504c 2019-06-28 stsp {
1586 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1587 de47d040 2022-03-22 thomas struct got_object_id_queue matched_ids;
1588 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
1589 e09a504c 2019-06-28 stsp
1590 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1591 dd88155e 2019-06-29 stsp
1592 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1593 de47d040 2022-03-22 thomas const char *path_packidx = pe->path;
1594 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1595 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1596 e09a504c 2019-06-28 stsp
1597 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1598 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1599 e09a504c 2019-06-28 stsp if (err)
1600 4277420a 2019-06-29 stsp break;
1601 e09a504c 2019-06-28 stsp
1602 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1603 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1604 4277420a 2019-06-29 stsp if (err) {
1605 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1606 4277420a 2019-06-29 stsp break;
1607 4277420a 2019-06-29 stsp }
1608 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1609 dd88155e 2019-06-29 stsp if (err)
1610 e09a504c 2019-06-28 stsp break;
1611 e09a504c 2019-06-28 stsp
1612 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &matched_ids, entry) {
1613 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1614 dd88155e 2019-06-29 stsp int matched_type;
1615 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1616 ec242592 2022-04-22 thomas &qid->id);
1617 dd88155e 2019-06-29 stsp if (err)
1618 dd88155e 2019-06-29 stsp goto done;
1619 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1620 dd88155e 2019-06-29 stsp continue;
1621 dd88155e 2019-06-29 stsp }
1622 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1623 ec242592 2022-04-22 thomas *unique_id = got_object_id_dup(&qid->id);
1624 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1625 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1626 dd88155e 2019-06-29 stsp goto done;
1627 dd88155e 2019-06-29 stsp }
1628 4277420a 2019-06-29 stsp } else {
1629 ec242592 2022-04-22 thomas if (got_object_id_cmp(*unique_id,
1630 ec242592 2022-04-22 thomas &qid->id) == 0)
1631 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1632 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1633 561c3678 2019-07-02 stsp goto done;
1634 e09a504c 2019-06-28 stsp }
1635 e09a504c 2019-06-28 stsp }
1636 e09a504c 2019-06-28 stsp }
1637 e09a504c 2019-06-28 stsp done:
1638 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1639 e09a504c 2019-06-28 stsp if (err) {
1640 e09a504c 2019-06-28 stsp free(*unique_id);
1641 e09a504c 2019-06-28 stsp *unique_id = NULL;
1642 e09a504c 2019-06-28 stsp }
1643 e09a504c 2019-06-28 stsp return err;
1644 e09a504c 2019-06-28 stsp }
1645 e09a504c 2019-06-28 stsp
1646 e09a504c 2019-06-28 stsp static const struct got_error *
1647 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1648 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1649 e09a504c 2019-06-28 stsp struct got_repository *repo)
1650 e09a504c 2019-06-28 stsp {
1651 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1652 e09a504c 2019-06-28 stsp char *path;
1653 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1654 e09a504c 2019-06-28 stsp struct dirent *dent;
1655 e09a504c 2019-06-28 stsp struct got_object_id id;
1656 e09a504c 2019-06-28 stsp
1657 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1658 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1659 e09a504c 2019-06-28 stsp goto done;
1660 e09a504c 2019-06-28 stsp }
1661 e09a504c 2019-06-28 stsp
1662 e09a504c 2019-06-28 stsp dir = opendir(path);
1663 e09a504c 2019-06-28 stsp if (dir == NULL) {
1664 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1665 4277420a 2019-06-29 stsp err = NULL;
1666 4277420a 2019-06-29 stsp goto done;
1667 4277420a 2019-06-29 stsp }
1668 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1669 e09a504c 2019-06-28 stsp goto done;
1670 e09a504c 2019-06-28 stsp }
1671 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1672 e09a504c 2019-06-28 stsp char *id_str;
1673 5903ff6e 2019-06-29 stsp int cmp;
1674 5903ff6e 2019-06-29 stsp
1675 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1676 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1677 e09a504c 2019-06-28 stsp continue;
1678 e09a504c 2019-06-28 stsp
1679 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1680 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1681 e09a504c 2019-06-28 stsp goto done;
1682 e09a504c 2019-06-28 stsp }
1683 e09a504c 2019-06-28 stsp
1684 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1685 e09a504c 2019-06-28 stsp continue;
1686 e09a504c 2019-06-28 stsp
1687 52d1d0d9 2019-07-07 stsp /*
1688 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1689 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1690 52d1d0d9 2019-07-07 stsp */
1691 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1692 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1693 e09a504c 2019-06-28 stsp free(id_str);
1694 e09a504c 2019-06-28 stsp continue;
1695 e09a504c 2019-06-28 stsp }
1696 e09a504c 2019-06-28 stsp
1697 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1698 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1699 dd88155e 2019-06-29 stsp int matched_type;
1700 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1701 dd88155e 2019-06-29 stsp &id);
1702 dd88155e 2019-06-29 stsp if (err)
1703 dd88155e 2019-06-29 stsp goto done;
1704 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1705 dd88155e 2019-06-29 stsp continue;
1706 dd88155e 2019-06-29 stsp }
1707 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1708 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1709 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1710 e09a504c 2019-06-28 stsp free(id_str);
1711 e09a504c 2019-06-28 stsp goto done;
1712 e09a504c 2019-06-28 stsp }
1713 e09a504c 2019-06-28 stsp } else {
1714 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1715 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1716 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1717 e09a504c 2019-06-28 stsp free(id_str);
1718 e09a504c 2019-06-28 stsp goto done;
1719 e09a504c 2019-06-28 stsp }
1720 e09a504c 2019-06-28 stsp }
1721 e09a504c 2019-06-28 stsp done:
1722 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1723 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1724 e09a504c 2019-06-28 stsp if (err) {
1725 e09a504c 2019-06-28 stsp free(*unique_id);
1726 e09a504c 2019-06-28 stsp *unique_id = NULL;
1727 e09a504c 2019-06-28 stsp }
1728 e09a504c 2019-06-28 stsp free(path);
1729 e09a504c 2019-06-28 stsp return err;
1730 1510f469 2018-09-09 stsp }
1731 e09a504c 2019-06-28 stsp
1732 e09a504c 2019-06-28 stsp const struct got_error *
1733 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1734 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1735 e09a504c 2019-06-28 stsp {
1736 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1737 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1738 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1739 e09a504c 2019-06-28 stsp size_t len;
1740 4277420a 2019-06-29 stsp int i;
1741 e09a504c 2019-06-28 stsp
1742 4277420a 2019-06-29 stsp *id = NULL;
1743 4277420a 2019-06-29 stsp
1744 70e6418e 2022-03-10 thomas len = strlen(id_str_prefix);
1745 70e6418e 2022-03-10 thomas if (len > SHA1_DIGEST_STRING_LENGTH - 1)
1746 70e6418e 2022-03-10 thomas return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1747 70e6418e 2022-03-10 thomas
1748 70e6418e 2022-03-10 thomas for (i = 0; i < len; i++) {
1749 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1750 4277420a 2019-06-29 stsp continue;
1751 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1752 4277420a 2019-06-29 stsp }
1753 4277420a 2019-06-29 stsp
1754 e09a504c 2019-06-28 stsp if (len >= 2) {
1755 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1756 4277420a 2019-06-29 stsp if (err)
1757 83c8b3b8 2019-06-29 stsp goto done;
1758 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1759 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1760 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1761 83c8b3b8 2019-06-29 stsp goto done;
1762 83c8b3b8 2019-06-29 stsp }
1763 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1764 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1765 e09a504c 2019-06-28 stsp } else if (len == 1) {
1766 e09a504c 2019-06-28 stsp int i;
1767 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1768 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1769 83c8b3b8 2019-06-29 stsp == -1) {
1770 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1771 83c8b3b8 2019-06-29 stsp goto done;
1772 83c8b3b8 2019-06-29 stsp }
1773 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1774 dd88155e 2019-06-29 stsp obj_type);
1775 4277420a 2019-06-29 stsp if (err)
1776 83c8b3b8 2019-06-29 stsp goto done;
1777 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1778 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1779 e09a504c 2019-06-28 stsp if (err)
1780 83c8b3b8 2019-06-29 stsp goto done;
1781 e09a504c 2019-06-28 stsp }
1782 83c8b3b8 2019-06-29 stsp } else {
1783 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1784 83c8b3b8 2019-06-29 stsp goto done;
1785 83c8b3b8 2019-06-29 stsp }
1786 83c8b3b8 2019-06-29 stsp done:
1787 e09a504c 2019-06-28 stsp free(object_dir);
1788 4277420a 2019-06-29 stsp if (err) {
1789 4277420a 2019-06-29 stsp free(*id);
1790 4277420a 2019-06-29 stsp *id = NULL;
1791 a3599220 2021-10-10 thomas } else if (*id == NULL) {
1792 a3599220 2021-10-10 thomas switch (obj_type) {
1793 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_BLOB:
1794 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1795 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_BLOB, id_str_prefix);
1796 a3599220 2021-10-10 thomas break;
1797 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TREE:
1798 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1799 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TREE, id_str_prefix);
1800 a3599220 2021-10-10 thomas break;
1801 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_COMMIT:
1802 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1803 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_COMMIT, id_str_prefix);
1804 a3599220 2021-10-10 thomas break;
1805 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TAG:
1806 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1807 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TAG, id_str_prefix);
1808 a3599220 2021-10-10 thomas break;
1809 a3599220 2021-10-10 thomas default:
1810 a3599220 2021-10-10 thomas err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1811 a3599220 2021-10-10 thomas break;
1812 a3599220 2021-10-10 thomas }
1813 a3599220 2021-10-10 thomas }
1814 303e2782 2019-08-09 stsp
1815 303e2782 2019-08-09 stsp return err;
1816 303e2782 2019-08-09 stsp }
1817 303e2782 2019-08-09 stsp
1818 303e2782 2019-08-09 stsp const struct got_error *
1819 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1820 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1821 71a27632 2020-01-15 stsp struct got_repository *repo)
1822 71a27632 2020-01-15 stsp {
1823 71a27632 2020-01-15 stsp const struct got_error *err;
1824 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1825 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1826 71a27632 2020-01-15 stsp
1827 71a27632 2020-01-15 stsp *id = NULL;
1828 71a27632 2020-01-15 stsp if (label)
1829 71a27632 2020-01-15 stsp *label = NULL;
1830 71a27632 2020-01-15 stsp
1831 84de9106 2020-12-26 stsp if (refs) {
1832 f1165c79 2021-10-10 thomas err = got_repo_object_match_tag(&tag, id_str, obj_type,
1833 84de9106 2020-12-26 stsp refs, repo);
1834 71a27632 2020-01-15 stsp if (err == NULL) {
1835 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1836 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1837 71a27632 2020-01-15 stsp if (*id == NULL)
1838 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1839 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1840 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1841 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1842 71a27632 2020-01-15 stsp free(*id);
1843 71a27632 2020-01-15 stsp *id = NULL;
1844 71a27632 2020-01-15 stsp }
1845 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1846 71a27632 2020-01-15 stsp return err;
1847 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1848 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1849 71a27632 2020-01-15 stsp return err;
1850 71a27632 2020-01-15 stsp }
1851 71a27632 2020-01-15 stsp
1852 65ad15fa 2022-07-16 thomas err = got_ref_open(&ref, repo, id_str, 0);
1853 65ad15fa 2022-07-16 thomas if (err == NULL) {
1854 65ad15fa 2022-07-16 thomas err = got_ref_resolve(id, repo, ref);
1855 65ad15fa 2022-07-16 thomas if (err)
1856 71a27632 2020-01-15 stsp goto done;
1857 71a27632 2020-01-15 stsp if (label) {
1858 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1859 71a27632 2020-01-15 stsp if (*label == NULL) {
1860 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1861 71a27632 2020-01-15 stsp goto done;
1862 71a27632 2020-01-15 stsp }
1863 71a27632 2020-01-15 stsp }
1864 65ad15fa 2022-07-16 thomas } else {
1865 65ad15fa 2022-07-16 thomas if (err->code != GOT_ERR_NOT_REF &&
1866 65ad15fa 2022-07-16 thomas err->code != GOT_ERR_BAD_REF_NAME)
1867 71a27632 2020-01-15 stsp goto done;
1868 65ad15fa 2022-07-16 thomas err = got_repo_match_object_id_prefix(id, id_str,
1869 65ad15fa 2022-07-16 thomas obj_type, repo);
1870 65ad15fa 2022-07-16 thomas if (err) {
1871 65ad15fa 2022-07-16 thomas if (err->code == GOT_ERR_BAD_OBJ_ID_STR)
1872 65ad15fa 2022-07-16 thomas err = got_error_not_ref(id_str);
1873 65ad15fa 2022-07-16 thomas goto done;
1874 71a27632 2020-01-15 stsp }
1875 65ad15fa 2022-07-16 thomas if (label) {
1876 65ad15fa 2022-07-16 thomas err = got_object_id_str(label, *id);
1877 65ad15fa 2022-07-16 thomas if (*label == NULL) {
1878 65ad15fa 2022-07-16 thomas err = got_error_from_errno("strdup");
1879 65ad15fa 2022-07-16 thomas goto done;
1880 65ad15fa 2022-07-16 thomas }
1881 65ad15fa 2022-07-16 thomas }
1882 71a27632 2020-01-15 stsp }
1883 71a27632 2020-01-15 stsp done:
1884 71a27632 2020-01-15 stsp if (ref)
1885 71a27632 2020-01-15 stsp got_ref_close(ref);
1886 71a27632 2020-01-15 stsp return err;
1887 71a27632 2020-01-15 stsp }
1888 71a27632 2020-01-15 stsp
1889 71a27632 2020-01-15 stsp const struct got_error *
1890 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1891 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1892 303e2782 2019-08-09 stsp {
1893 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1894 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1895 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1896 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1897 303e2782 2019-08-09 stsp
1898 303e2782 2019-08-09 stsp *tag = NULL;
1899 303e2782 2019-08-09 stsp
1900 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1901 303e2782 2019-08-09 stsp const char *refname;
1902 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1903 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1904 303e2782 2019-08-09 stsp continue;
1905 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1906 84de9106 2020-12-26 stsp continue;
1907 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1908 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1909 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1910 303e2782 2019-08-09 stsp continue;
1911 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1912 303e2782 2019-08-09 stsp if (err)
1913 303e2782 2019-08-09 stsp break;
1914 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1915 303e2782 2019-08-09 stsp free(tag_id);
1916 303e2782 2019-08-09 stsp if (err)
1917 303e2782 2019-08-09 stsp break;
1918 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1919 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1920 303e2782 2019-08-09 stsp break;
1921 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1922 303e2782 2019-08-09 stsp *tag = NULL;
1923 303e2782 2019-08-09 stsp }
1924 4277420a 2019-06-29 stsp
1925 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1926 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1927 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TAG, name);
1928 e09a504c 2019-06-28 stsp return err;
1929 e09a504c 2019-06-28 stsp }
1930 7a1d6b72 2020-01-15 stsp
1931 3ce1b845 2019-07-15 stsp static const struct got_error *
1932 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1933 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1934 3ce1b845 2019-07-15 stsp {
1935 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1936 3ce1b845 2019-07-15 stsp
1937 3ce1b845 2019-07-15 stsp *new_te = NULL;
1938 3ce1b845 2019-07-15 stsp
1939 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1940 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1941 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1942 3ce1b845 2019-07-15 stsp
1943 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1944 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1945 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1946 3ce1b845 2019-07-15 stsp goto done;
1947 3ce1b845 2019-07-15 stsp }
1948 3ce1b845 2019-07-15 stsp
1949 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1950 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1951 e8863bdc 2020-07-23 stsp } else {
1952 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1953 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1954 e8863bdc 2020-07-23 stsp }
1955 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1956 3ce1b845 2019-07-15 stsp done:
1957 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1958 56e0773d 2019-11-28 stsp free(*new_te);
1959 3ce1b845 2019-07-15 stsp *new_te = NULL;
1960 3ce1b845 2019-07-15 stsp }
1961 3ce1b845 2019-07-15 stsp return err;
1962 3ce1b845 2019-07-15 stsp }
1963 3ce1b845 2019-07-15 stsp
1964 3ce1b845 2019-07-15 stsp static const struct got_error *
1965 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1966 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1967 3ce1b845 2019-07-15 stsp {
1968 3ce1b845 2019-07-15 stsp const struct got_error *err;
1969 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1970 3ce1b845 2019-07-15 stsp char *filepath;
1971 3ce1b845 2019-07-15 stsp struct stat sb;
1972 3ce1b845 2019-07-15 stsp
1973 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1974 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1975 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1976 3ce1b845 2019-07-15 stsp
1977 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1978 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1979 3ce1b845 2019-07-15 stsp goto done;
1980 3ce1b845 2019-07-15 stsp }
1981 3ce1b845 2019-07-15 stsp
1982 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1983 3ce1b845 2019-07-15 stsp if (err)
1984 3ce1b845 2019-07-15 stsp goto done;
1985 3ce1b845 2019-07-15 stsp
1986 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1987 3ce1b845 2019-07-15 stsp blob_id);
1988 3ce1b845 2019-07-15 stsp done:
1989 3ce1b845 2019-07-15 stsp free(filepath);
1990 3ce1b845 2019-07-15 stsp if (err)
1991 3ce1b845 2019-07-15 stsp free(blob_id);
1992 3ce1b845 2019-07-15 stsp return err;
1993 3ce1b845 2019-07-15 stsp }
1994 3ce1b845 2019-07-15 stsp
1995 3ce1b845 2019-07-15 stsp static const struct got_error *
1996 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1997 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1998 3ce1b845 2019-07-15 stsp {
1999 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
2000 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
2001 3ce1b845 2019-07-15 stsp
2002 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
2003 3ce1b845 2019-07-15 stsp if (err)
2004 3ce1b845 2019-07-15 stsp return err;
2005 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
2006 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
2007 3ce1b845 2019-07-15 stsp return NULL;
2008 3ce1b845 2019-07-15 stsp }
2009 3ce1b845 2019-07-15 stsp
2010 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
2011 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
2012 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
2013 3ce1b845 2019-07-15 stsp
2014 3ce1b845 2019-07-15 stsp static const struct got_error *
2015 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
2016 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
2017 3ce1b845 2019-07-15 stsp struct got_repository *repo,
2018 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
2019 3ce1b845 2019-07-15 stsp {
2020 3ce1b845 2019-07-15 stsp const struct got_error *err;
2021 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
2022 3ce1b845 2019-07-15 stsp char *subdirpath;
2023 3ce1b845 2019-07-15 stsp
2024 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
2025 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
2026 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
2027 3ce1b845 2019-07-15 stsp
2028 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
2029 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
2030 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
2031 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
2032 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
2033 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
2034 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
2035 3ce1b845 2019-07-15 stsp goto done;
2036 3ce1b845 2019-07-15 stsp }
2037 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
2038 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2039 56e0773d 2019-11-28 stsp if (err)
2040 56e0773d 2019-11-28 stsp goto done;
2041 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
2042 56e0773d 2019-11-28 stsp
2043 3ce1b845 2019-07-15 stsp done:
2044 56e0773d 2019-11-28 stsp free(id);
2045 3ce1b845 2019-07-15 stsp free(subdirpath);
2046 3ce1b845 2019-07-15 stsp if (err) {
2047 56e0773d 2019-11-28 stsp free(*new_te);
2048 3ce1b845 2019-07-15 stsp *new_te = NULL;
2049 3ce1b845 2019-07-15 stsp }
2050 3ce1b845 2019-07-15 stsp return err;
2051 3ce1b845 2019-07-15 stsp }
2052 3ce1b845 2019-07-15 stsp
2053 3ce1b845 2019-07-15 stsp static const struct got_error *
2054 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
2055 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
2056 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
2057 3ce1b845 2019-07-15 stsp {
2058 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
2059 3ce1b845 2019-07-15 stsp DIR *dir;
2060 3ce1b845 2019-07-15 stsp struct dirent *de;
2061 56e0773d 2019-11-28 stsp int nentries;
2062 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
2063 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
2064 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
2065 3ce1b845 2019-07-15 stsp
2066 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
2067 3ce1b845 2019-07-15 stsp
2068 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
2069 3ce1b845 2019-07-15 stsp
2070 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
2071 3ce1b845 2019-07-15 stsp if (dir == NULL) {
2072 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
2073 3ce1b845 2019-07-15 stsp goto done;
2074 3ce1b845 2019-07-15 stsp }
2075 3ce1b845 2019-07-15 stsp
2076 56e0773d 2019-11-28 stsp nentries = 0;
2077 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
2078 3ce1b845 2019-07-15 stsp int ignore = 0;
2079 20ccae39 2020-07-21 stsp int type;
2080 3ce1b845 2019-07-15 stsp
2081 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
2082 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
2083 3ce1b845 2019-07-15 stsp continue;
2084 3ce1b845 2019-07-15 stsp
2085 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
2086 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
2087 3ce1b845 2019-07-15 stsp ignore = 1;
2088 3ce1b845 2019-07-15 stsp break;
2089 3ce1b845 2019-07-15 stsp }
2090 3ce1b845 2019-07-15 stsp }
2091 3ce1b845 2019-07-15 stsp if (ignore)
2092 3ce1b845 2019-07-15 stsp continue;
2093 20ccae39 2020-07-21 stsp
2094 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
2095 20ccae39 2020-07-21 stsp if (err)
2096 20ccae39 2020-07-21 stsp goto done;
2097 20ccae39 2020-07-21 stsp
2098 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
2099 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
2100 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
2101 db1d3576 2019-10-04 stsp if (err) {
2102 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
2103 db1d3576 2019-10-04 stsp goto done;
2104 db1d3576 2019-10-04 stsp err = NULL;
2105 db1d3576 2019-10-04 stsp continue;
2106 db1d3576 2019-10-04 stsp }
2107 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
2108 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
2109 3ce1b845 2019-07-15 stsp if (err)
2110 3ce1b845 2019-07-15 stsp goto done;
2111 3ce1b845 2019-07-15 stsp } else
2112 3ce1b845 2019-07-15 stsp continue;
2113 3ce1b845 2019-07-15 stsp
2114 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
2115 3ce1b845 2019-07-15 stsp if (err)
2116 3ce1b845 2019-07-15 stsp goto done;
2117 56e0773d 2019-11-28 stsp nentries++;
2118 3ce1b845 2019-07-15 stsp }
2119 3ce1b845 2019-07-15 stsp
2120 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
2121 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
2122 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
2123 db1d3576 2019-10-04 stsp goto done;
2124 db1d3576 2019-10-04 stsp }
2125 db1d3576 2019-10-04 stsp
2126 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
2127 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
2128 3ce1b845 2019-07-15 stsp char *path;
2129 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
2130 3ce1b845 2019-07-15 stsp continue;
2131 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
2132 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
2133 3ce1b845 2019-07-15 stsp goto done;
2134 3ce1b845 2019-07-15 stsp }
2135 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
2136 3ce1b845 2019-07-15 stsp free(path);
2137 3ce1b845 2019-07-15 stsp if (err)
2138 3ce1b845 2019-07-15 stsp goto done;
2139 3ce1b845 2019-07-15 stsp }
2140 3ce1b845 2019-07-15 stsp
2141 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
2142 3ce1b845 2019-07-15 stsp done:
2143 3ce1b845 2019-07-15 stsp if (dir)
2144 3ce1b845 2019-07-15 stsp closedir(dir);
2145 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
2146 3ce1b845 2019-07-15 stsp return err;
2147 3ce1b845 2019-07-15 stsp }
2148 3ce1b845 2019-07-15 stsp
2149 3ce1b845 2019-07-15 stsp const struct got_error *
2150 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
2151 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
2152 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
2153 3ce1b845 2019-07-15 stsp void *progress_arg)
2154 3ce1b845 2019-07-15 stsp {
2155 3ce1b845 2019-07-15 stsp const struct got_error *err;
2156 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
2157 3ce1b845 2019-07-15 stsp
2158 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
2159 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2160 3ce1b845 2019-07-15 stsp if (err)
2161 3ce1b845 2019-07-15 stsp return err;
2162 3ce1b845 2019-07-15 stsp
2163 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
2164 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
2165 3ce1b845 2019-07-15 stsp free(new_tree_id);
2166 20662ea0 2021-04-10 stsp return err;
2167 20662ea0 2021-04-10 stsp }
2168 20662ea0 2021-04-10 stsp
2169 20662ea0 2021-04-10 stsp const struct got_error *
2170 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
2171 20662ea0 2021-04-10 stsp struct got_repository *repo)
2172 20662ea0 2021-04-10 stsp {
2173 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
2174 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
2175 20662ea0 2021-04-10 stsp DIR *dir = NULL;
2176 20662ea0 2021-04-10 stsp struct got_object_id id;
2177 20662ea0 2021-04-10 stsp int i;
2178 20662ea0 2021-04-10 stsp
2179 20662ea0 2021-04-10 stsp *nobjects = 0;
2180 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2181 20662ea0 2021-04-10 stsp
2182 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
2183 20662ea0 2021-04-10 stsp if (path_objects == NULL)
2184 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
2185 20662ea0 2021-04-10 stsp
2186 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
2187 20662ea0 2021-04-10 stsp struct dirent *dent;
2188 20662ea0 2021-04-10 stsp
2189 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2190 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2191 20662ea0 2021-04-10 stsp break;
2192 20662ea0 2021-04-10 stsp }
2193 20662ea0 2021-04-10 stsp
2194 20662ea0 2021-04-10 stsp dir = opendir(path);
2195 20662ea0 2021-04-10 stsp if (dir == NULL) {
2196 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
2197 20662ea0 2021-04-10 stsp err = NULL;
2198 20662ea0 2021-04-10 stsp continue;
2199 20662ea0 2021-04-10 stsp }
2200 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
2201 20662ea0 2021-04-10 stsp break;
2202 20662ea0 2021-04-10 stsp }
2203 20662ea0 2021-04-10 stsp
2204 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
2205 20662ea0 2021-04-10 stsp char *id_str;
2206 20662ea0 2021-04-10 stsp int fd;
2207 20662ea0 2021-04-10 stsp struct stat sb;
2208 20662ea0 2021-04-10 stsp
2209 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
2210 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
2211 20662ea0 2021-04-10 stsp continue;
2212 20662ea0 2021-04-10 stsp
2213 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2214 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2215 20662ea0 2021-04-10 stsp goto done;
2216 20662ea0 2021-04-10 stsp }
2217 20662ea0 2021-04-10 stsp
2218 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
2219 20662ea0 2021-04-10 stsp free(id_str);
2220 20662ea0 2021-04-10 stsp continue;
2221 20662ea0 2021-04-10 stsp }
2222 20662ea0 2021-04-10 stsp free(id_str);
2223 20662ea0 2021-04-10 stsp
2224 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
2225 20662ea0 2021-04-10 stsp if (err)
2226 20662ea0 2021-04-10 stsp goto done;
2227 20662ea0 2021-04-10 stsp
2228 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
2229 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
2230 20662ea0 2021-04-10 stsp close(fd);
2231 20662ea0 2021-04-10 stsp goto done;
2232 20662ea0 2021-04-10 stsp }
2233 20662ea0 2021-04-10 stsp (*nobjects)++;
2234 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
2235 20662ea0 2021-04-10 stsp
2236 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
2237 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
2238 20662ea0 2021-04-10 stsp goto done;
2239 20662ea0 2021-04-10 stsp }
2240 20662ea0 2021-04-10 stsp }
2241 20662ea0 2021-04-10 stsp
2242 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
2243 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2244 20662ea0 2021-04-10 stsp goto done;
2245 20662ea0 2021-04-10 stsp }
2246 20662ea0 2021-04-10 stsp dir = NULL;
2247 20662ea0 2021-04-10 stsp
2248 20662ea0 2021-04-10 stsp free(path);
2249 20662ea0 2021-04-10 stsp path = NULL;
2250 20662ea0 2021-04-10 stsp }
2251 20662ea0 2021-04-10 stsp done:
2252 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
2253 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2254 20662ea0 2021-04-10 stsp
2255 20662ea0 2021-04-10 stsp if (err) {
2256 20662ea0 2021-04-10 stsp *nobjects = 0;
2257 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2258 20662ea0 2021-04-10 stsp }
2259 20662ea0 2021-04-10 stsp free(path_objects);
2260 20662ea0 2021-04-10 stsp free(path);
2261 3ce1b845 2019-07-15 stsp return err;
2262 3ce1b845 2019-07-15 stsp }
2263 20662ea0 2021-04-10 stsp
2264 20662ea0 2021-04-10 stsp const struct got_error *
2265 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2266 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
2267 20662ea0 2021-04-10 stsp {
2268 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
2269 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
2270 20662ea0 2021-04-10 stsp struct dirent *dent;
2271 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
2272 20662ea0 2021-04-10 stsp char *path_packidx;
2273 20662ea0 2021-04-10 stsp char *path_packfile;
2274 20662ea0 2021-04-10 stsp int packdir_fd;
2275 20662ea0 2021-04-10 stsp struct stat sb;
2276 20662ea0 2021-04-10 stsp
2277 20662ea0 2021-04-10 stsp *npackfiles = 0;
2278 20662ea0 2021-04-10 stsp *nobjects = 0;
2279 20662ea0 2021-04-10 stsp *total_packsize = 0;
2280 20662ea0 2021-04-10 stsp
2281 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
2282 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2283 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
2284 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
2285 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
2286 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
2287 20662ea0 2021-04-10 stsp }
2288 20662ea0 2021-04-10 stsp
2289 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
2290 20662ea0 2021-04-10 stsp if (packdir == NULL) {
2291 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
2292 20662ea0 2021-04-10 stsp goto done;
2293 20662ea0 2021-04-10 stsp }
2294 20662ea0 2021-04-10 stsp
2295 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
2296 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
2297 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
2298 20662ea0 2021-04-10 stsp continue;
2299 20662ea0 2021-04-10 stsp
2300 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2301 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
2302 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2303 20662ea0 2021-04-10 stsp goto done;
2304 20662ea0 2021-04-10 stsp }
2305 20662ea0 2021-04-10 stsp
2306 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2307 20662ea0 2021-04-10 stsp path_packidx, 0);
2308 20662ea0 2021-04-10 stsp free(path_packidx);
2309 20662ea0 2021-04-10 stsp if (err)
2310 20662ea0 2021-04-10 stsp goto done;
2311 20662ea0 2021-04-10 stsp
2312 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
2313 20662ea0 2021-04-10 stsp goto done;
2314 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2315 20662ea0 2021-04-10 stsp
2316 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2317 aea75d87 2021-07-06 stsp packidx->path_packidx);
2318 20662ea0 2021-04-10 stsp if (err)
2319 20662ea0 2021-04-10 stsp goto done;
2320 20662ea0 2021-04-10 stsp
2321 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2322 20662ea0 2021-04-10 stsp 0) == -1) {
2323 20662ea0 2021-04-10 stsp free(path_packfile);
2324 20662ea0 2021-04-10 stsp goto done;
2325 20662ea0 2021-04-10 stsp }
2326 20662ea0 2021-04-10 stsp free(path_packfile);
2327 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2328 20662ea0 2021-04-10 stsp
2329 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2330 20662ea0 2021-04-10 stsp
2331 20662ea0 2021-04-10 stsp (*npackfiles)++;
2332 20662ea0 2021-04-10 stsp
2333 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2334 20662ea0 2021-04-10 stsp packidx = NULL;
2335 20662ea0 2021-04-10 stsp }
2336 20662ea0 2021-04-10 stsp done:
2337 20662ea0 2021-04-10 stsp if (packidx)
2338 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2339 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2340 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2341 20662ea0 2021-04-10 stsp if (err) {
2342 20662ea0 2021-04-10 stsp *npackfiles = 0;
2343 20662ea0 2021-04-10 stsp *nobjects = 0;
2344 20662ea0 2021-04-10 stsp *total_packsize = 0;
2345 20662ea0 2021-04-10 stsp }
2346 20662ea0 2021-04-10 stsp return err;
2347 20662ea0 2021-04-10 stsp }
2348 0be8fa4c 2021-10-15 thomas
2349 0be8fa4c 2021-10-15 thomas RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2350 0be8fa4c 2021-10-15 thomas got_packidx_bloom_filter_cmp);