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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 7c60996c 2022-07-21 thomas * a value from got_opentempfd(), which would result in a close(0) if
265 7c60996c 2022-07-21 thomas * we do not initialize to -1 here.
266 0b1c1d9c 2022-07-21 thomas */
267 0b1c1d9c 2022-07-21 thomas for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++)
268 0b1c1d9c 2022-07-21 thomas pack_fds_tmp[i] = -1;
269 7cd52833 2022-06-23 thomas
270 7cd52833 2022-06-23 thomas for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
271 7cd52833 2022-06-23 thomas pack_fds_tmp[i] = got_opentempfd();
272 7cd52833 2022-06-23 thomas if (pack_fds_tmp[i] == -1) {
273 7648b8ae 2022-06-23 thomas err = got_error_from_errno("got_opentempfd");
274 7648b8ae 2022-06-23 thomas got_repo_pack_fds_close(pack_fds_tmp);
275 7648b8ae 2022-06-23 thomas return err;
276 7cd52833 2022-06-23 thomas }
277 7cd52833 2022-06-23 thomas }
278 cfc8922b 2022-07-21 thomas memcpy(*pack_fds, pack_fds_tmp, GOT_PACK_NUM_TEMPFILES * sizeof(int));
279 7cd52833 2022-06-23 thomas return err;
280 7cd52833 2022-06-23 thomas }
281 7cd52833 2022-06-23 thomas
282 7cd52833 2022-06-23 thomas const struct got_error *
283 7cd52833 2022-06-23 thomas got_repo_pack_fds_close(int *pack_fds)
284 7cd52833 2022-06-23 thomas {
285 7cd52833 2022-06-23 thomas const struct got_error *err = NULL;
286 7cd52833 2022-06-23 thomas int i;
287 7cd52833 2022-06-23 thomas
288 7cd52833 2022-06-23 thomas for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
289 7cd52833 2022-06-23 thomas if (pack_fds[i] == -1)
290 7cd52833 2022-06-23 thomas continue;
291 7cd52833 2022-06-23 thomas if (close(pack_fds[i]) == -1) {
292 7cd52833 2022-06-23 thomas err = got_error_from_errno("close");
293 7cd52833 2022-06-23 thomas break;
294 7cd52833 2022-06-23 thomas }
295 7cd52833 2022-06-23 thomas }
296 7cd52833 2022-06-23 thomas free(pack_fds);
297 7cd52833 2022-06-23 thomas return err;
298 7cd52833 2022-06-23 thomas }
299 7cd52833 2022-06-23 thomas
300 7cd52833 2022-06-23 thomas const struct got_error *
301 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
302 f6be5c30 2018-06-22 stsp struct got_object *obj)
303 f6be5c30 2018-06-22 stsp {
304 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
305 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
306 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
307 79c99a64 2019-05-23 stsp if (err) {
308 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
309 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
310 79c99a64 2019-05-23 stsp err = NULL;
311 f6be5c30 2018-06-22 stsp return err;
312 79c99a64 2019-05-23 stsp }
313 f6be5c30 2018-06-22 stsp obj->refcnt++;
314 ccfe88e6 2018-07-12 stsp #endif
315 f6be5c30 2018-06-22 stsp return NULL;
316 f6be5c30 2018-06-22 stsp }
317 f6be5c30 2018-06-22 stsp
318 7bb0daa1 2018-06-21 stsp struct got_object *
319 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
320 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
321 7bb0daa1 2018-06-21 stsp {
322 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
323 7bb0daa1 2018-06-21 stsp }
324 7bb0daa1 2018-06-21 stsp
325 4027f31a 2017-11-04 stsp const struct got_error *
326 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
327 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
328 f6be5c30 2018-06-22 stsp {
329 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
330 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
331 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
332 79c99a64 2019-05-23 stsp if (err) {
333 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
334 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
335 79c99a64 2019-05-23 stsp err = NULL;
336 f6be5c30 2018-06-22 stsp return err;
337 79c99a64 2019-05-23 stsp }
338 f6be5c30 2018-06-22 stsp tree->refcnt++;
339 ccfe88e6 2018-07-12 stsp #endif
340 f6be5c30 2018-06-22 stsp return NULL;
341 f6be5c30 2018-06-22 stsp }
342 f6be5c30 2018-06-22 stsp
343 f6be5c30 2018-06-22 stsp struct got_tree_object *
344 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
345 f6be5c30 2018-06-22 stsp struct got_object_id *id)
346 f6be5c30 2018-06-22 stsp {
347 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
348 6bef87be 2018-09-11 stsp &repo->treecache, id);
349 1943de01 2018-06-22 stsp }
350 1943de01 2018-06-22 stsp
351 1943de01 2018-06-22 stsp const struct got_error *
352 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
353 1943de01 2018-06-22 stsp struct got_commit_object *commit)
354 1943de01 2018-06-22 stsp {
355 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
356 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
357 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
358 79c99a64 2019-05-23 stsp if (err) {
359 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
360 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
361 79c99a64 2019-05-23 stsp err = NULL;
362 1943de01 2018-06-22 stsp return err;
363 79c99a64 2019-05-23 stsp }
364 1943de01 2018-06-22 stsp commit->refcnt++;
365 ccfe88e6 2018-07-12 stsp #endif
366 f6be5c30 2018-06-22 stsp return NULL;
367 f6be5c30 2018-06-22 stsp }
368 f6be5c30 2018-06-22 stsp
369 1943de01 2018-06-22 stsp struct got_commit_object *
370 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
371 1943de01 2018-06-22 stsp struct got_object_id *id)
372 1943de01 2018-06-22 stsp {
373 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
374 6bef87be 2018-09-11 stsp &repo->commitcache, id);
375 f4a881ce 2018-11-17 stsp }
376 f4a881ce 2018-11-17 stsp
377 f4a881ce 2018-11-17 stsp const struct got_error *
378 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
379 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
380 f4a881ce 2018-11-17 stsp {
381 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
382 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
383 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
384 79c99a64 2019-05-23 stsp if (err) {
385 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
386 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
387 79c99a64 2019-05-23 stsp err = NULL;
388 f4a881ce 2018-11-17 stsp return err;
389 79c99a64 2019-05-23 stsp }
390 f4a881ce 2018-11-17 stsp tag->refcnt++;
391 f4a881ce 2018-11-17 stsp #endif
392 f4a881ce 2018-11-17 stsp return NULL;
393 f4a881ce 2018-11-17 stsp }
394 f4a881ce 2018-11-17 stsp
395 f4a881ce 2018-11-17 stsp struct got_tag_object *
396 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
397 f4a881ce 2018-11-17 stsp {
398 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
399 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
400 8ab9215c 2021-10-15 thomas }
401 8ab9215c 2021-10-15 thomas
402 8ab9215c 2021-10-15 thomas const struct got_error *
403 8ab9215c 2021-10-15 thomas got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
404 8ab9215c 2021-10-15 thomas struct got_raw_object *raw)
405 8ab9215c 2021-10-15 thomas {
406 8ab9215c 2021-10-15 thomas #ifndef GOT_NO_OBJ_CACHE
407 8ab9215c 2021-10-15 thomas const struct got_error *err = NULL;
408 8ab9215c 2021-10-15 thomas err = got_object_cache_add(&repo->rawcache, id, raw);
409 8ab9215c 2021-10-15 thomas if (err) {
410 8ab9215c 2021-10-15 thomas if (err->code == GOT_ERR_OBJ_EXISTS ||
411 8ab9215c 2021-10-15 thomas err->code == GOT_ERR_OBJ_TOO_LARGE)
412 8ab9215c 2021-10-15 thomas err = NULL;
413 8ab9215c 2021-10-15 thomas return err;
414 8ab9215c 2021-10-15 thomas }
415 8ab9215c 2021-10-15 thomas raw->refcnt++;
416 8ab9215c 2021-10-15 thomas #endif
417 8ab9215c 2021-10-15 thomas return NULL;
418 1943de01 2018-06-22 stsp }
419 1943de01 2018-06-22 stsp
420 8ab9215c 2021-10-15 thomas
421 8ab9215c 2021-10-15 thomas struct got_raw_object *
422 8ab9215c 2021-10-15 thomas got_repo_get_cached_raw_object(struct got_repository *repo,
423 8ab9215c 2021-10-15 thomas struct got_object_id *id)
424 8ab9215c 2021-10-15 thomas {
425 8ab9215c 2021-10-15 thomas return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
426 8ab9215c 2021-10-15 thomas }
427 8ab9215c 2021-10-15 thomas
428 8ab9215c 2021-10-15 thomas
429 991ff1aa 2021-06-15 tracey static const struct got_error *
430 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
431 4027f31a 2017-11-04 stsp {
432 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
433 85f51bba 2018-07-16 stsp
434 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
435 6d5a9006 2020-12-16 yzhong
436 85f51bba 2018-07-16 stsp /* bare git repository? */
437 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
438 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
439 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
440 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
441 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
442 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
443 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
444 6d5a9006 2020-12-16 yzhong goto done;
445 6d5a9006 2020-12-16 yzhong }
446 06340621 2021-12-31 thomas repo->gitdir_fd = open(repo->path_git_dir,
447 06340621 2021-12-31 thomas O_DIRECTORY | O_CLOEXEC);
448 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
449 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
450 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
451 85f51bba 2018-07-16 stsp goto done;
452 85f51bba 2018-07-16 stsp }
453 85f51bba 2018-07-16 stsp return NULL;
454 85f51bba 2018-07-16 stsp }
455 85f51bba 2018-07-16 stsp
456 85f51bba 2018-07-16 stsp /* git repository with working tree? */
457 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
458 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
459 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
460 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
461 85f51bba 2018-07-16 stsp goto done;
462 85f51bba 2018-07-16 stsp }
463 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
464 85f51bba 2018-07-16 stsp repo->path = strdup(path);
465 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
466 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
467 85f51bba 2018-07-16 stsp goto done;
468 85f51bba 2018-07-16 stsp }
469 06340621 2021-12-31 thomas repo->gitdir_fd = open(repo->path_git_dir,
470 06340621 2021-12-31 thomas O_DIRECTORY | O_CLOEXEC);
471 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
472 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
473 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
474 6d5a9006 2020-12-16 yzhong goto done;
475 6d5a9006 2020-12-16 yzhong }
476 85f51bba 2018-07-16 stsp return NULL;
477 85f51bba 2018-07-16 stsp }
478 85f51bba 2018-07-16 stsp
479 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
480 ee645855 2019-02-05 stsp done:
481 85f51bba 2018-07-16 stsp if (err) {
482 ee645855 2019-02-05 stsp free(repo->path);
483 ee645855 2019-02-05 stsp repo->path = NULL;
484 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
485 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
486 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
487 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
488 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
489 6d5a9006 2020-12-16 yzhong
490 aba9c984 2019-09-08 stsp }
491 aba9c984 2019-09-08 stsp return err;
492 aba9c984 2019-09-08 stsp }
493 aba9c984 2019-09-08 stsp
494 aba9c984 2019-09-08 stsp static const struct got_error *
495 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
496 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
497 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
498 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
499 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
500 aba9c984 2019-09-08 stsp {
501 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
502 aba9c984 2019-09-08 stsp int fd = -1;
503 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
504 aba9c984 2019-09-08 stsp pid_t pid;
505 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
506 aba9c984 2019-09-08 stsp
507 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
508 20b7abb3 2020-10-22 stsp if (extensions)
509 20b7abb3 2020-10-22 stsp *extensions = NULL;
510 20b7abb3 2020-10-22 stsp if (nextensions)
511 20b7abb3 2020-10-22 stsp *nextensions = 0;
512 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
513 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
514 2fb669fb 2020-03-20 stsp if (remotes)
515 2fb669fb 2020-03-20 stsp *remotes = NULL;
516 2fb669fb 2020-03-20 stsp if (nremotes)
517 2fb669fb 2020-03-20 stsp *nremotes = 0;
518 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
519 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
520 aba9c984 2019-09-08 stsp
521 06340621 2021-12-31 thomas fd = open(gitconfig_path, O_RDONLY | O_CLOEXEC);
522 aba9c984 2019-09-08 stsp if (fd == -1) {
523 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
524 aba9c984 2019-09-08 stsp return NULL;
525 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
526 aba9c984 2019-09-08 stsp }
527 aba9c984 2019-09-08 stsp
528 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
529 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
530 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
531 aba9c984 2019-09-08 stsp goto done;
532 aba9c984 2019-09-08 stsp }
533 aba9c984 2019-09-08 stsp
534 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
535 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
536 aba9c984 2019-09-08 stsp goto done;
537 aba9c984 2019-09-08 stsp }
538 aba9c984 2019-09-08 stsp
539 aba9c984 2019-09-08 stsp pid = fork();
540 aba9c984 2019-09-08 stsp if (pid == -1) {
541 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
542 aba9c984 2019-09-08 stsp goto done;
543 aba9c984 2019-09-08 stsp } else if (pid == 0) {
544 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
545 c9956ddf 2019-09-08 stsp gitconfig_path);
546 aba9c984 2019-09-08 stsp /* not reached */
547 aba9c984 2019-09-08 stsp }
548 aba9c984 2019-09-08 stsp
549 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
550 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
551 aba9c984 2019-09-08 stsp goto done;
552 85f51bba 2018-07-16 stsp }
553 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
554 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
555 aba9c984 2019-09-08 stsp
556 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
557 aba9c984 2019-09-08 stsp if (err)
558 aba9c984 2019-09-08 stsp goto done;
559 aba9c984 2019-09-08 stsp fd = -1;
560 aba9c984 2019-09-08 stsp
561 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
562 aba9c984 2019-09-08 stsp if (err)
563 aba9c984 2019-09-08 stsp goto done;
564 aba9c984 2019-09-08 stsp
565 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
566 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
567 aba9c984 2019-09-08 stsp if (err)
568 aba9c984 2019-09-08 stsp goto done;
569 aba9c984 2019-09-08 stsp
570 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
571 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
572 20b7abb3 2020-10-22 stsp ibuf);
573 20b7abb3 2020-10-22 stsp if (err)
574 20b7abb3 2020-10-22 stsp goto done;
575 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
576 20b7abb3 2020-10-22 stsp if (err)
577 20b7abb3 2020-10-22 stsp goto done;
578 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
579 20b7abb3 2020-10-22 stsp int i;
580 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
581 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
582 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
583 20b7abb3 2020-10-22 stsp goto done;
584 20b7abb3 2020-10-22 stsp }
585 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
586 20b7abb3 2020-10-22 stsp char *ext;
587 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
588 20b7abb3 2020-10-22 stsp ibuf);
589 20b7abb3 2020-10-22 stsp if (err)
590 20b7abb3 2020-10-22 stsp goto done;
591 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
592 20b7abb3 2020-10-22 stsp }
593 20b7abb3 2020-10-22 stsp }
594 20b7abb3 2020-10-22 stsp }
595 20b7abb3 2020-10-22 stsp
596 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
597 aba9c984 2019-09-08 stsp if (err)
598 aba9c984 2019-09-08 stsp goto done;
599 aba9c984 2019-09-08 stsp
600 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
601 aba9c984 2019-09-08 stsp if (err)
602 aba9c984 2019-09-08 stsp goto done;
603 aba9c984 2019-09-08 stsp
604 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
605 aba9c984 2019-09-08 stsp if (err)
606 aba9c984 2019-09-08 stsp goto done;
607 aba9c984 2019-09-08 stsp
608 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
609 aba9c984 2019-09-08 stsp if (err)
610 aba9c984 2019-09-08 stsp goto done;
611 cd95becd 2019-11-29 stsp
612 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
613 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
614 cd95becd 2019-11-29 stsp if (err)
615 cd95becd 2019-11-29 stsp goto done;
616 cd95becd 2019-11-29 stsp
617 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
618 cd95becd 2019-11-29 stsp nremotes, ibuf);
619 9a1cc63f 2020-02-03 stsp if (err)
620 9a1cc63f 2020-02-03 stsp goto done;
621 9a1cc63f 2020-02-03 stsp }
622 9a1cc63f 2020-02-03 stsp
623 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
624 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
625 cd95becd 2019-11-29 stsp if (err)
626 cd95becd 2019-11-29 stsp goto done;
627 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
628 9a1cc63f 2020-02-03 stsp if (err)
629 9a1cc63f 2020-02-03 stsp goto done;
630 cd95becd 2019-11-29 stsp }
631 aba9c984 2019-09-08 stsp
632 aba9c984 2019-09-08 stsp err = got_privsep_send_stop(imsg_fds[0]);
633 aba9c984 2019-09-08 stsp child_err = got_privsep_wait_for_child(pid);
634 aba9c984 2019-09-08 stsp if (child_err && err == NULL)
635 aba9c984 2019-09-08 stsp err = child_err;
636 aba9c984 2019-09-08 stsp done:
637 aba9c984 2019-09-08 stsp if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
638 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
639 aba9c984 2019-09-08 stsp if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
640 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
641 aba9c984 2019-09-08 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
642 aba9c984 2019-09-08 stsp err = got_error_from_errno2("close", gitconfig_path);
643 aba9c984 2019-09-08 stsp free(ibuf);
644 c9956ddf 2019-09-08 stsp return err;
645 c9956ddf 2019-09-08 stsp }
646 c9956ddf 2019-09-08 stsp
647 c9956ddf 2019-09-08 stsp static const struct got_error *
648 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
649 c9956ddf 2019-09-08 stsp {
650 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
651 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
652 c9956ddf 2019-09-08 stsp
653 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
654 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
655 c9956ddf 2019-09-08 stsp int dummy_repo_version;
656 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&dummy_repo_version,
657 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
658 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
659 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
660 c9956ddf 2019-09-08 stsp if (err)
661 c9956ddf 2019-09-08 stsp return err;
662 c9956ddf 2019-09-08 stsp }
663 c9956ddf 2019-09-08 stsp
664 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
665 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
666 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
667 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
668 c9956ddf 2019-09-08 stsp
669 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&repo->gitconfig_repository_format_version,
670 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
671 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
672 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
673 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
674 c9956ddf 2019-09-08 stsp if (err)
675 c9956ddf 2019-09-08 stsp goto done;
676 c9956ddf 2019-09-08 stsp done:
677 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
678 257add31 2020-09-09 stsp return err;
679 257add31 2020-09-09 stsp }
680 257add31 2020-09-09 stsp
681 257add31 2020-09-09 stsp static const struct got_error *
682 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
683 257add31 2020-09-09 stsp {
684 257add31 2020-09-09 stsp const struct got_error *err = NULL;
685 257add31 2020-09-09 stsp char *gotconfig_path;
686 257add31 2020-09-09 stsp
687 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
688 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
689 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
690 257add31 2020-09-09 stsp
691 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
692 257add31 2020-09-09 stsp free(gotconfig_path);
693 85f51bba 2018-07-16 stsp return err;
694 85f51bba 2018-07-16 stsp }
695 85f51bba 2018-07-16 stsp
696 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
697 d224ad33 2022-03-22 thomas static const char *const repo_extensions[] = {
698 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
699 2252c019 2021-07-03 stsp "preciousObjects", /* Supported by gotadmin cleanup. */
700 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
701 20b7abb3 2020-10-22 stsp };
702 20b7abb3 2020-10-22 stsp
703 85f51bba 2018-07-16 stsp const struct got_error *
704 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
705 7cd52833 2022-06-23 thomas const char *global_gitconfig_path, int *pack_fds)
706 85f51bba 2018-07-16 stsp {
707 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
708 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
709 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
710 7cd52833 2022-06-23 thomas size_t i, j = 0;
711 6c414261 2021-03-30 stsp struct rlimit rl;
712 4027f31a 2017-11-04 stsp
713 85f51bba 2018-07-16 stsp *repop = NULL;
714 6c414261 2021-03-30 stsp
715 6c414261 2021-03-30 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
716 6c414261 2021-03-30 stsp return got_error_from_errno("getrlimit");
717 4027f31a 2017-11-04 stsp
718 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
719 58cbcd83 2022-03-22 thomas if (repo == NULL)
720 58cbcd83 2022-03-22 thomas return got_error_from_errno("calloc");
721 4545b700 2021-10-15 thomas
722 cfe41121 2021-10-16 thomas RB_INIT(&repo->packidx_bloom_filters);
723 de47d040 2022-03-22 thomas TAILQ_INIT(&repo->packidx_paths);
724 4027f31a 2017-11-04 stsp
725 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
726 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
727 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
728 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
729 ad242220 2018-09-08 stsp }
730 ad242220 2018-09-08 stsp
731 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
732 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
733 6bef87be 2018-09-11 stsp if (err)
734 f6be5c30 2018-06-22 stsp goto done;
735 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
736 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
737 6bef87be 2018-09-11 stsp if (err)
738 1943de01 2018-06-22 stsp goto done;
739 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
740 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
741 6bef87be 2018-09-11 stsp if (err)
742 eb77ee11 2018-07-08 stsp goto done;
743 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
744 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
745 f4a881ce 2018-11-17 stsp if (err)
746 f4a881ce 2018-11-17 stsp goto done;
747 8ab9215c 2021-10-15 thomas err = got_object_cache_init(&repo->rawcache,
748 8ab9215c 2021-10-15 thomas GOT_OBJECT_CACHE_TYPE_RAW);
749 8ab9215c 2021-10-15 thomas if (err)
750 8ab9215c 2021-10-15 thomas goto done;
751 1943de01 2018-06-22 stsp
752 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
753 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
754 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
755 bfb5ee0b 2022-05-31 thomas for (i = 0; i < nitems(repo->packs); i++) {
756 bfb5ee0b 2022-05-31 thomas if (i < repo->pack_cache_size) {
757 7cd52833 2022-06-23 thomas repo->packs[i].basefd = pack_fds[j++];
758 7cd52833 2022-06-23 thomas repo->packs[i].accumfd = pack_fds[j++];
759 bfb5ee0b 2022-05-31 thomas } else {
760 bfb5ee0b 2022-05-31 thomas repo->packs[i].basefd = -1;
761 bfb5ee0b 2022-05-31 thomas repo->packs[i].accumfd = -1;
762 bfb5ee0b 2022-05-31 thomas }
763 bfb5ee0b 2022-05-31 thomas }
764 ec2b23c5 2022-07-01 thomas repo->pinned_pack = -1;
765 ec2b23c5 2022-07-01 thomas repo->pinned_packidx = -1;
766 ec2b23c5 2022-07-01 thomas repo->pinned_pid = 0;
767 6c414261 2021-03-30 stsp
768 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
769 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
770 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
771 92af5469 2017-11-05 stsp goto done;
772 92af5469 2017-11-05 stsp }
773 4027f31a 2017-11-04 stsp
774 aff6eea4 2020-10-20 stsp for (;;) {
775 aff6eea4 2020-10-20 stsp char *parent_path;
776 aff6eea4 2020-10-20 stsp
777 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
778 85f51bba 2018-07-16 stsp if (err == NULL)
779 85f51bba 2018-07-16 stsp break;
780 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
781 9aceaadf 2020-10-20 stsp goto done;
782 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
783 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
784 0c93d204 2020-10-20 stsp goto done;
785 442a3ddc 2018-04-23 stsp }
786 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
787 aff6eea4 2020-10-20 stsp if (err)
788 f2db9c47 2019-08-24 stsp goto done;
789 aff6eea4 2020-10-20 stsp free(repo_path);
790 aff6eea4 2020-10-20 stsp repo_path = parent_path;
791 aff6eea4 2020-10-20 stsp }
792 1d126e2d 2019-08-24 stsp
793 257add31 2020-09-09 stsp err = read_gotconfig(repo);
794 257add31 2020-09-09 stsp if (err)
795 257add31 2020-09-09 stsp goto done;
796 257add31 2020-09-09 stsp
797 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
798 1d126e2d 2019-08-24 stsp if (err)
799 1d126e2d 2019-08-24 stsp goto done;
800 ebb42948 2022-07-21 thomas if (repo->gitconfig_repository_format_version != 0) {
801 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
802 ebb42948 2022-07-21 thomas goto done;
803 ebb42948 2022-07-21 thomas }
804 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
805 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
806 20b7abb3 2020-10-22 stsp int j, supported = 0;
807 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
808 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
809 20b7abb3 2020-10-22 stsp supported = 1;
810 20b7abb3 2020-10-22 stsp break;
811 20b7abb3 2020-10-22 stsp }
812 20b7abb3 2020-10-22 stsp }
813 20b7abb3 2020-10-22 stsp if (!supported) {
814 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
815 20b7abb3 2020-10-22 stsp goto done;
816 20b7abb3 2020-10-22 stsp }
817 20b7abb3 2020-10-22 stsp }
818 de47d040 2022-03-22 thomas
819 de47d040 2022-03-22 thomas err = got_repo_list_packidx(&repo->packidx_paths, repo);
820 92af5469 2017-11-05 stsp done:
821 92af5469 2017-11-05 stsp if (err)
822 5c2f5761 2018-09-19 stsp got_repo_close(repo);
823 85f51bba 2018-07-16 stsp else
824 85f51bba 2018-07-16 stsp *repop = repo;
825 aff6eea4 2020-10-20 stsp free(repo_path);
826 92af5469 2017-11-05 stsp return err;
827 4027f31a 2017-11-04 stsp }
828 4027f31a 2017-11-04 stsp
829 ad242220 2018-09-08 stsp const struct got_error *
830 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
831 4027f31a 2017-11-04 stsp {
832 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
833 0be8fa4c 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
834 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
835 16aeacf7 2020-11-26 stsp size_t i;
836 79b11c62 2018-03-09 stsp
837 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
838 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
839 79b11c62 2018-03-09 stsp break;
840 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
841 4545b700 2021-10-15 thomas }
842 4545b700 2021-10-15 thomas
843 cfe41121 2021-10-16 thomas while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
844 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters))) {
845 cfe41121 2021-10-16 thomas RB_REMOVE(got_packidx_bloom_filter_tree,
846 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
847 4545b700 2021-10-15 thomas free(bf->bloom);
848 4545b700 2021-10-15 thomas free(bf);
849 79b11c62 2018-03-09 stsp }
850 bd1223b9 2018-03-14 stsp
851 7cd52833 2022-06-23 thomas for (i = 0; i < repo->pack_cache_size; i++)
852 cf032c44 2022-05-31 thomas if (repo->packs[i].path_packfile)
853 7cd52833 2022-06-23 thomas if (repo->packs[i].path_packfile)
854 7cd52833 2022-06-23 thomas got_pack_close(&repo->packs[i]);
855 7e656b93 2018-03-17 stsp
856 4027f31a 2017-11-04 stsp free(repo->path);
857 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
858 cd717821 2018-06-22 stsp
859 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
860 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
861 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
862 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
863 8ab9215c 2021-10-15 thomas got_object_cache_close(&repo->rawcache);
864 ad242220 2018-09-08 stsp
865 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
866 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
867 ad242220 2018-09-08 stsp continue;
868 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
869 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
870 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
871 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
872 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
873 ad242220 2018-09-08 stsp if (child_err && err == NULL)
874 ad242220 2018-09-08 stsp err = child_err;
875 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
876 3a6ce05a 2019-02-11 stsp err == NULL)
877 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
878 ad242220 2018-09-08 stsp }
879 aba9c984 2019-09-08 stsp
880 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
881 1d0f4054 2021-06-17 stsp err == NULL)
882 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
883 991ff1aa 2021-06-15 tracey
884 50b0790e 2020-09-11 stsp if (repo->gotconfig)
885 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
886 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
887 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
888 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
889 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
890 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
891 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
892 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
893 20b7abb3 2020-10-22 stsp free(repo->extensions);
894 de47d040 2022-03-22 thomas
895 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry)
896 de47d040 2022-03-22 thomas free((void *)pe->path);
897 de47d040 2022-03-22 thomas got_pathlist_free(&repo->packidx_paths);
898 4027f31a 2017-11-04 stsp free(repo);
899 ad242220 2018-09-08 stsp
900 ad242220 2018-09-08 stsp return err;
901 b8adfa55 2020-09-25 stsp }
902 b8adfa55 2020-09-25 stsp
903 b8adfa55 2020-09-25 stsp void
904 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
905 b8adfa55 2020-09-25 stsp {
906 b8adfa55 2020-09-25 stsp int i;
907 b8adfa55 2020-09-25 stsp
908 b8adfa55 2020-09-25 stsp free(repo->name);
909 b8adfa55 2020-09-25 stsp repo->name = NULL;
910 6480c871 2021-08-30 stsp free(repo->fetch_url);
911 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
912 6480c871 2021-08-30 stsp free(repo->send_url);
913 6480c871 2021-08-30 stsp repo->send_url = NULL;
914 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
915 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
916 6480c871 2021-08-30 stsp free(repo->fetch_branches);
917 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
918 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
919 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
920 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
921 6480c871 2021-08-30 stsp free(repo->send_branches);
922 6480c871 2021-08-30 stsp repo->send_branches = NULL;
923 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
924 4027f31a 2017-11-04 stsp }
925 04ca23f4 2018-07-16 stsp
926 04ca23f4 2018-07-16 stsp const struct got_error *
927 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
928 8fa913ec 2020-11-14 stsp const char *input_path)
929 04ca23f4 2018-07-16 stsp {
930 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
931 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
932 e83c0634 2020-01-27 stsp size_t repolen, len;
933 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
934 04ca23f4 2018-07-16 stsp
935 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
936 04ca23f4 2018-07-16 stsp
937 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
938 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
939 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
940 04ca23f4 2018-07-16 stsp goto done;
941 04ca23f4 2018-07-16 stsp }
942 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
943 04ca23f4 2018-07-16 stsp if (err)
944 04ca23f4 2018-07-16 stsp goto done;
945 04ca23f4 2018-07-16 stsp
946 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
947 04ca23f4 2018-07-16 stsp
948 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
949 23721109 2018-10-22 stsp path = strdup(canonpath);
950 b70703ad 2019-03-18 stsp if (path == NULL) {
951 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
952 04ca23f4 2018-07-16 stsp goto done;
953 04ca23f4 2018-07-16 stsp }
954 04ca23f4 2018-07-16 stsp } else {
955 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
956 04ca23f4 2018-07-16 stsp if (path == NULL) {
957 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
958 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
959 230a42bd 2019-05-11 jcs canonpath);
960 b70703ad 2019-03-18 stsp goto done;
961 b70703ad 2019-03-18 stsp }
962 b70703ad 2019-03-18 stsp /*
963 b70703ad 2019-03-18 stsp * Path is not on disk.
964 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
965 b70703ad 2019-03-18 stsp */
966 b70703ad 2019-03-18 stsp path = strdup(canonpath);
967 b70703ad 2019-03-18 stsp if (path == NULL) {
968 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
969 b70703ad 2019-03-18 stsp goto done;
970 b70703ad 2019-03-18 stsp }
971 04ca23f4 2018-07-16 stsp }
972 04ca23f4 2018-07-16 stsp
973 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
974 04ca23f4 2018-07-16 stsp len = strlen(path);
975 04ca23f4 2018-07-16 stsp
976 04ca23f4 2018-07-16 stsp
977 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
978 04ca23f4 2018-07-16 stsp free(path);
979 04ca23f4 2018-07-16 stsp path = strdup("");
980 04ca23f4 2018-07-16 stsp if (path == NULL) {
981 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
982 04ca23f4 2018-07-16 stsp goto done;
983 04ca23f4 2018-07-16 stsp }
984 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
985 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
986 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
987 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
988 04ca23f4 2018-07-16 stsp /*
989 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
990 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
991 04ca23f4 2018-07-16 stsp */
992 abc59930 2021-09-05 naddy free(path);
993 abc59930 2021-09-05 naddy path = canonpath;
994 abc59930 2021-09-05 naddy canonpath = NULL;
995 04ca23f4 2018-07-16 stsp } else {
996 04ca23f4 2018-07-16 stsp char *child;
997 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
998 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
999 04ca23f4 2018-07-16 stsp repo_abspath, path);
1000 04ca23f4 2018-07-16 stsp if (err)
1001 04ca23f4 2018-07-16 stsp goto done;
1002 04ca23f4 2018-07-16 stsp free(path);
1003 04ca23f4 2018-07-16 stsp path = child;
1004 04ca23f4 2018-07-16 stsp }
1005 04ca23f4 2018-07-16 stsp } else {
1006 04ca23f4 2018-07-16 stsp /*
1007 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
1008 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
1009 04ca23f4 2018-07-16 stsp */
1010 abc59930 2021-09-05 naddy free(path);
1011 abc59930 2021-09-05 naddy path = canonpath;
1012 abc59930 2021-09-05 naddy canonpath = NULL;
1013 04ca23f4 2018-07-16 stsp }
1014 04ca23f4 2018-07-16 stsp }
1015 04ca23f4 2018-07-16 stsp
1016 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
1017 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
1018 04ca23f4 2018-07-16 stsp char *abspath;
1019 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
1020 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1021 04ca23f4 2018-07-16 stsp goto done;
1022 04ca23f4 2018-07-16 stsp }
1023 04ca23f4 2018-07-16 stsp free(path);
1024 04ca23f4 2018-07-16 stsp path = abspath;
1025 04ca23f4 2018-07-16 stsp }
1026 04ca23f4 2018-07-16 stsp
1027 04ca23f4 2018-07-16 stsp done:
1028 04ca23f4 2018-07-16 stsp free(canonpath);
1029 04ca23f4 2018-07-16 stsp if (err)
1030 04ca23f4 2018-07-16 stsp free(path);
1031 04ca23f4 2018-07-16 stsp else
1032 04ca23f4 2018-07-16 stsp *in_repo_path = path;
1033 1510f469 2018-09-09 stsp return err;
1034 1510f469 2018-09-09 stsp }
1035 1510f469 2018-09-09 stsp
1036 e1a68182 2020-01-07 stsp static const struct got_error *
1037 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
1038 e1a68182 2020-01-07 stsp const char *path_packidx)
1039 1510f469 2018-09-09 stsp {
1040 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1041 16aeacf7 2020-11-26 stsp size_t i;
1042 1510f469 2018-09-09 stsp
1043 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1044 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1045 1510f469 2018-09-09 stsp break;
1046 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1047 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1048 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1049 e1a68182 2020-01-07 stsp }
1050 1510f469 2018-09-09 stsp }
1051 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1052 ec2b23c5 2022-07-01 thomas do {
1053 ec2b23c5 2022-07-01 thomas i--;
1054 ec2b23c5 2022-07-01 thomas } while (i > 0 && repo->pinned_packidx >= 0 &&
1055 ec2b23c5 2022-07-01 thomas i == repo->pinned_packidx);
1056 3333aec6 2021-10-15 thomas err = got_packidx_close(repo->packidx_cache[i]);
1057 1510f469 2018-09-09 stsp if (err)
1058 1510f469 2018-09-09 stsp return err;
1059 1510f469 2018-09-09 stsp }
1060 1510f469 2018-09-09 stsp
1061 3333aec6 2021-10-15 thomas repo->packidx_cache[i] = packidx;
1062 15fe583f 2018-11-05 stsp
1063 1510f469 2018-09-09 stsp return NULL;
1064 1510f469 2018-09-09 stsp }
1065 1510f469 2018-09-09 stsp
1066 1124fe40 2021-07-07 stsp int
1067 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
1068 1510f469 2018-09-09 stsp {
1069 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
1070 1510f469 2018-09-09 stsp return 0;
1071 1510f469 2018-09-09 stsp
1072 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
1073 1510f469 2018-09-09 stsp return 0;
1074 1510f469 2018-09-09 stsp
1075 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
1076 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
1077 1510f469 2018-09-09 stsp return 0;
1078 4545b700 2021-10-15 thomas
1079 4545b700 2021-10-15 thomas return 1;
1080 0be8fa4c 2021-10-15 thomas }
1081 0be8fa4c 2021-10-15 thomas
1082 cfe41121 2021-10-16 thomas static struct got_packidx_bloom_filter *
1083 cfe41121 2021-10-16 thomas get_packidx_bloom_filter(struct got_repository *repo,
1084 cfe41121 2021-10-16 thomas const char *path, size_t path_len)
1085 cfe41121 2021-10-16 thomas {
1086 cfe41121 2021-10-16 thomas struct got_packidx_bloom_filter key;
1087 cfe41121 2021-10-16 thomas
1088 cfe41121 2021-10-16 thomas if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
1089 cfe41121 2021-10-16 thomas return NULL; /* XXX */
1090 cfe41121 2021-10-16 thomas key.path_len = path_len;
1091 cfe41121 2021-10-16 thomas
1092 cfe41121 2021-10-16 thomas return RB_FIND(got_packidx_bloom_filter_tree,
1093 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, &key);
1094 cfe41121 2021-10-16 thomas }
1095 cfe41121 2021-10-16 thomas
1096 f9c2e8e5 2022-02-13 thomas int
1097 f9c2e8e5 2022-02-13 thomas got_repo_check_packidx_bloom_filter(struct got_repository *repo,
1098 4545b700 2021-10-15 thomas const char *path_packidx, struct got_object_id *id)
1099 4545b700 2021-10-15 thomas {
1100 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1101 4545b700 2021-10-15 thomas
1102 cfe41121 2021-10-16 thomas bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
1103 cfe41121 2021-10-16 thomas if (bf)
1104 cfe41121 2021-10-16 thomas return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
1105 1510f469 2018-09-09 stsp
1106 4545b700 2021-10-15 thomas /* No bloom filter means this pack index must be searched. */
1107 1510f469 2018-09-09 stsp return 1;
1108 4545b700 2021-10-15 thomas }
1109 4545b700 2021-10-15 thomas
1110 4545b700 2021-10-15 thomas static const struct got_error *
1111 4545b700 2021-10-15 thomas add_packidx_bloom_filter(struct got_repository *repo,
1112 4545b700 2021-10-15 thomas struct got_packidx *packidx, const char *path_packidx)
1113 4545b700 2021-10-15 thomas {
1114 4545b700 2021-10-15 thomas int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1115 4545b700 2021-10-15 thomas struct got_packidx_bloom_filter *bf;
1116 4545b700 2021-10-15 thomas size_t len;
1117 4545b700 2021-10-15 thomas
1118 4545b700 2021-10-15 thomas /*
1119 4545b700 2021-10-15 thomas * Don't use bloom filters for very large pack index files.
1120 4545b700 2021-10-15 thomas * Large pack files will contain a relatively large fraction
1121 4545b700 2021-10-15 thomas * of our objects so we will likely need to visit them anyway.
1122 4545b700 2021-10-15 thomas * The more objects a pack file contains the higher the probability
1123 4545b700 2021-10-15 thomas * of a false-positive match from the bloom filter. And reading
1124 4545b700 2021-10-15 thomas * all object IDs from a large pack index file can be expensive.
1125 4545b700 2021-10-15 thomas */
1126 4545b700 2021-10-15 thomas if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1127 4545b700 2021-10-15 thomas return NULL;
1128 4545b700 2021-10-15 thomas
1129 4545b700 2021-10-15 thomas /* Do we already have a filter for this pack index? */
1130 cfe41121 2021-10-16 thomas if (get_packidx_bloom_filter(repo, path_packidx,
1131 cfe41121 2021-10-16 thomas strlen(path_packidx)) != NULL)
1132 cfe41121 2021-10-16 thomas return NULL;
1133 4545b700 2021-10-15 thomas
1134 4545b700 2021-10-15 thomas bf = calloc(1, sizeof(*bf));
1135 4545b700 2021-10-15 thomas if (bf == NULL)
1136 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1137 4545b700 2021-10-15 thomas bf->bloom = calloc(1, sizeof(*bf->bloom));
1138 4545b700 2021-10-15 thomas if (bf->bloom == NULL) {
1139 4545b700 2021-10-15 thomas free(bf);
1140 4545b700 2021-10-15 thomas return got_error_from_errno("calloc");
1141 4545b700 2021-10-15 thomas }
1142 4545b700 2021-10-15 thomas
1143 cfe41121 2021-10-16 thomas len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1144 cfe41121 2021-10-16 thomas if (len >= sizeof(bf->path)) {
1145 4545b700 2021-10-15 thomas free(bf->bloom);
1146 4545b700 2021-10-15 thomas free(bf);
1147 4545b700 2021-10-15 thomas return got_error(GOT_ERR_NO_SPACE);
1148 4545b700 2021-10-15 thomas }
1149 cfe41121 2021-10-16 thomas bf->path_len = len;
1150 4545b700 2021-10-15 thomas
1151 4545b700 2021-10-15 thomas /* Minimum size supported by our bloom filter is 1000 entries. */
1152 4545b700 2021-10-15 thomas bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1153 4545b700 2021-10-15 thomas for (i = 0; i < nobjects; i++) {
1154 4545b700 2021-10-15 thomas struct got_packidx_object_id *id;
1155 4545b700 2021-10-15 thomas id = &packidx->hdr.sorted_ids[i];
1156 4545b700 2021-10-15 thomas bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1157 4545b700 2021-10-15 thomas }
1158 4545b700 2021-10-15 thomas
1159 cfe41121 2021-10-16 thomas RB_INSERT(got_packidx_bloom_filter_tree,
1160 cfe41121 2021-10-16 thomas &repo->packidx_bloom_filters, bf);
1161 4545b700 2021-10-15 thomas return NULL;
1162 1510f469 2018-09-09 stsp }
1163 1510f469 2018-09-09 stsp
1164 1510f469 2018-09-09 stsp const struct got_error *
1165 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1166 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
1167 1510f469 2018-09-09 stsp {
1168 1510f469 2018-09-09 stsp const struct got_error *err;
1169 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
1170 16aeacf7 2020-11-26 stsp size_t i;
1171 1510f469 2018-09-09 stsp
1172 1510f469 2018-09-09 stsp /* Search pack index cache. */
1173 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1174 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1175 1510f469 2018-09-09 stsp break;
1176 f9c2e8e5 2022-02-13 thomas if (!got_repo_check_packidx_bloom_filter(repo,
1177 4545b700 2021-10-15 thomas repo->packidx_cache[i]->path_packidx, id))
1178 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1179 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1180 1510f469 2018-09-09 stsp if (*idx != -1) {
1181 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
1182 87c1ed2b 2020-01-07 stsp /*
1183 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
1184 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
1185 87c1ed2b 2020-01-07 stsp */
1186 87c1ed2b 2020-01-07 stsp if (i > 0) {
1187 3333aec6 2021-10-15 thomas memmove(&repo->packidx_cache[1],
1188 3333aec6 2021-10-15 thomas &repo->packidx_cache[0],
1189 3333aec6 2021-10-15 thomas i * sizeof(repo->packidx_cache[0]));
1190 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
1191 ec2b23c5 2022-07-01 thomas if (repo->pinned_packidx >= 0 &&
1192 ec2b23c5 2022-07-01 thomas repo->pinned_packidx < i)
1193 ec2b23c5 2022-07-01 thomas repo->pinned_packidx++;
1194 ec2b23c5 2022-07-01 thomas else if (repo->pinned_packidx == i)
1195 ec2b23c5 2022-07-01 thomas repo->pinned_packidx = 0;
1196 87c1ed2b 2020-01-07 stsp }
1197 1510f469 2018-09-09 stsp return NULL;
1198 1510f469 2018-09-09 stsp }
1199 1510f469 2018-09-09 stsp }
1200 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
1201 1510f469 2018-09-09 stsp
1202 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1203 de47d040 2022-03-22 thomas const char *path_packidx = pe->path;
1204 e1a68182 2020-01-07 stsp int is_cached = 0;
1205 e1a68182 2020-01-07 stsp
1206 f9c2e8e5 2022-02-13 thomas if (!got_repo_check_packidx_bloom_filter(repo,
1207 de47d040 2022-03-22 thomas pe->path, id))
1208 4545b700 2021-10-15 thomas continue; /* object will not be found in this index */
1209 4545b700 2021-10-15 thomas
1210 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1211 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1212 e1a68182 2020-01-07 stsp break;
1213 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1214 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1215 e1a68182 2020-01-07 stsp is_cached = 1;
1216 e1a68182 2020-01-07 stsp break;
1217 e1a68182 2020-01-07 stsp }
1218 1510f469 2018-09-09 stsp }
1219 de47d040 2022-03-22 thomas if (is_cached)
1220 e1a68182 2020-01-07 stsp continue; /* already searched */
1221 1510f469 2018-09-09 stsp
1222 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1223 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1224 de47d040 2022-03-22 thomas if (err)
1225 e1a68182 2020-01-07 stsp goto done;
1226 e1a68182 2020-01-07 stsp
1227 4545b700 2021-10-15 thomas err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1228 de47d040 2022-03-22 thomas if (err)
1229 4545b700 2021-10-15 thomas goto done;
1230 4545b700 2021-10-15 thomas
1231 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1232 1510f469 2018-09-09 stsp if (err)
1233 1510f469 2018-09-09 stsp goto done;
1234 1510f469 2018-09-09 stsp
1235 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1236 1510f469 2018-09-09 stsp if (*idx != -1) {
1237 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1238 1510f469 2018-09-09 stsp goto done;
1239 1510f469 2018-09-09 stsp }
1240 1510f469 2018-09-09 stsp }
1241 1510f469 2018-09-09 stsp
1242 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1243 1510f469 2018-09-09 stsp done:
1244 04ca23f4 2018-07-16 stsp return err;
1245 04ca23f4 2018-07-16 stsp }
1246 1510f469 2018-09-09 stsp
1247 f9c2e8e5 2022-02-13 thomas const struct got_error *
1248 f9c2e8e5 2022-02-13 thomas got_repo_list_packidx(struct got_pathlist_head *packidx_paths,
1249 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
1250 f9c2e8e5 2022-02-13 thomas {
1251 f9c2e8e5 2022-02-13 thomas const struct got_error *err = NULL;
1252 f9c2e8e5 2022-02-13 thomas DIR *packdir = NULL;
1253 f9c2e8e5 2022-02-13 thomas struct dirent *dent;
1254 f9c2e8e5 2022-02-13 thomas char *path_packidx = NULL;
1255 f9c2e8e5 2022-02-13 thomas int packdir_fd;
1256 f9c2e8e5 2022-02-13 thomas
1257 f9c2e8e5 2022-02-13 thomas packdir_fd = openat(got_repo_get_fd(repo),
1258 f9c2e8e5 2022-02-13 thomas GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1259 f9c2e8e5 2022-02-13 thomas if (packdir_fd == -1) {
1260 f9c2e8e5 2022-02-13 thomas return got_error_from_errno_fmt("openat: %s/%s",
1261 f9c2e8e5 2022-02-13 thomas got_repo_get_path_git_dir(repo),
1262 f9c2e8e5 2022-02-13 thomas GOT_OBJECTS_PACK_DIR);
1263 f9c2e8e5 2022-02-13 thomas }
1264 f9c2e8e5 2022-02-13 thomas
1265 f9c2e8e5 2022-02-13 thomas packdir = fdopendir(packdir_fd);
1266 f9c2e8e5 2022-02-13 thomas if (packdir == NULL) {
1267 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("fdopendir");
1268 f9c2e8e5 2022-02-13 thomas goto done;
1269 f9c2e8e5 2022-02-13 thomas }
1270 f9c2e8e5 2022-02-13 thomas
1271 f9c2e8e5 2022-02-13 thomas while ((dent = readdir(packdir)) != NULL) {
1272 9389bcf6 2022-02-13 thomas if (!got_repo_is_packidx_filename(dent->d_name,
1273 9389bcf6 2022-02-13 thomas strlen(dent->d_name)))
1274 f9c2e8e5 2022-02-13 thomas continue;
1275 f9c2e8e5 2022-02-13 thomas
1276 f9c2e8e5 2022-02-13 thomas if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1277 f9c2e8e5 2022-02-13 thomas dent->d_name) == -1) {
1278 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("asprintf");
1279 f9c2e8e5 2022-02-13 thomas path_packidx = NULL;
1280 f9c2e8e5 2022-02-13 thomas break;
1281 f9c2e8e5 2022-02-13 thomas }
1282 f9c2e8e5 2022-02-13 thomas
1283 f9c2e8e5 2022-02-13 thomas err = got_pathlist_append(packidx_paths, path_packidx, NULL);
1284 f9c2e8e5 2022-02-13 thomas if (err)
1285 f9c2e8e5 2022-02-13 thomas break;
1286 f9c2e8e5 2022-02-13 thomas }
1287 f9c2e8e5 2022-02-13 thomas done:
1288 f9c2e8e5 2022-02-13 thomas if (err)
1289 f9c2e8e5 2022-02-13 thomas free(path_packidx);
1290 f9c2e8e5 2022-02-13 thomas if (packdir && closedir(packdir) != 0 && err == NULL)
1291 f9c2e8e5 2022-02-13 thomas err = got_error_from_errno("closedir");
1292 f9c2e8e5 2022-02-13 thomas return err;
1293 f9c2e8e5 2022-02-13 thomas }
1294 f9c2e8e5 2022-02-13 thomas
1295 f9c2e8e5 2022-02-13 thomas const struct got_error *
1296 f9c2e8e5 2022-02-13 thomas got_repo_get_packidx(struct got_packidx **packidx, const char *path_packidx,
1297 f9c2e8e5 2022-02-13 thomas struct got_repository *repo)
1298 f9c2e8e5 2022-02-13 thomas {
1299 f9c2e8e5 2022-02-13 thomas const struct got_error *err;
1300 f9c2e8e5 2022-02-13 thomas size_t i;
1301 f9c2e8e5 2022-02-13 thomas
1302 f9c2e8e5 2022-02-13 thomas *packidx = NULL;
1303 f9c2e8e5 2022-02-13 thomas
1304 f9c2e8e5 2022-02-13 thomas /* Search pack index cache. */
1305 f9c2e8e5 2022-02-13 thomas for (i = 0; i < repo->pack_cache_size; i++) {
1306 f9c2e8e5 2022-02-13 thomas if (repo->packidx_cache[i] == NULL)
1307 f9c2e8e5 2022-02-13 thomas break;
1308 f9c2e8e5 2022-02-13 thomas if (strcmp(repo->packidx_cache[i]->path_packidx,
1309 f9c2e8e5 2022-02-13 thomas path_packidx) == 0) {
1310 f9c2e8e5 2022-02-13 thomas *packidx = repo->packidx_cache[i];
1311 f9c2e8e5 2022-02-13 thomas return NULL;
1312 f9c2e8e5 2022-02-13 thomas }
1313 f9c2e8e5 2022-02-13 thomas }
1314 f9c2e8e5 2022-02-13 thomas /* No luck. Search the filesystem. */
1315 f9c2e8e5 2022-02-13 thomas
1316 f9c2e8e5 2022-02-13 thomas err = got_packidx_open(packidx, got_repo_get_fd(repo),
1317 f9c2e8e5 2022-02-13 thomas path_packidx, 0);
1318 f9c2e8e5 2022-02-13 thomas if (err)
1319 f9c2e8e5 2022-02-13 thomas return err;
1320 f9c2e8e5 2022-02-13 thomas
1321 f9c2e8e5 2022-02-13 thomas err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1322 f9c2e8e5 2022-02-13 thomas if (err)
1323 f9c2e8e5 2022-02-13 thomas goto done;
1324 f9c2e8e5 2022-02-13 thomas
1325 f9c2e8e5 2022-02-13 thomas err = cache_packidx(repo, *packidx, path_packidx);
1326 f9c2e8e5 2022-02-13 thomas done:
1327 f9c2e8e5 2022-02-13 thomas if (err) {
1328 f9c2e8e5 2022-02-13 thomas got_packidx_close(*packidx);
1329 f9c2e8e5 2022-02-13 thomas *packidx = NULL;
1330 f9c2e8e5 2022-02-13 thomas }
1331 f9c2e8e5 2022-02-13 thomas return err;
1332 f9c2e8e5 2022-02-13 thomas }
1333 f9c2e8e5 2022-02-13 thomas
1334 1510f469 2018-09-09 stsp static const struct got_error *
1335 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1336 1510f469 2018-09-09 stsp {
1337 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1338 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1339 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1340 1510f469 2018-09-09 stsp ssize_t n;
1341 1510f469 2018-09-09 stsp
1342 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1343 1510f469 2018-09-09 stsp if (n < 0)
1344 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1345 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1346 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1347 1510f469 2018-09-09 stsp
1348 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1349 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1350 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1351 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1352 1510f469 2018-09-09 stsp
1353 1510f469 2018-09-09 stsp return err;
1354 1510f469 2018-09-09 stsp }
1355 1510f469 2018-09-09 stsp
1356 1510f469 2018-09-09 stsp static const struct got_error *
1357 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1358 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1359 1510f469 2018-09-09 stsp {
1360 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1361 1510f469 2018-09-09 stsp
1362 fc63f50d 2021-12-31 thomas *fd = openat(got_repo_get_fd(repo), relpath,
1363 fc63f50d 2021-12-31 thomas O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
1364 1510f469 2018-09-09 stsp if (*fd == -1)
1365 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1366 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1367 1510f469 2018-09-09 stsp
1368 1510f469 2018-09-09 stsp if (packidx) {
1369 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1370 1510f469 2018-09-09 stsp if (err) {
1371 1510f469 2018-09-09 stsp close(*fd);
1372 1510f469 2018-09-09 stsp *fd = -1;
1373 1510f469 2018-09-09 stsp }
1374 1510f469 2018-09-09 stsp }
1375 1510f469 2018-09-09 stsp
1376 1510f469 2018-09-09 stsp return err;
1377 1510f469 2018-09-09 stsp }
1378 1510f469 2018-09-09 stsp
1379 1510f469 2018-09-09 stsp const struct got_error *
1380 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1381 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1382 1510f469 2018-09-09 stsp {
1383 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1384 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1385 ff563a3d 2019-05-23 stsp struct stat sb;
1386 16aeacf7 2020-11-26 stsp size_t i;
1387 1510f469 2018-09-09 stsp
1388 1510f469 2018-09-09 stsp if (packp)
1389 1510f469 2018-09-09 stsp *packp = NULL;
1390 1510f469 2018-09-09 stsp
1391 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1392 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1393 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1394 1510f469 2018-09-09 stsp break;
1395 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1396 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1397 1510f469 2018-09-09 stsp }
1398 1510f469 2018-09-09 stsp
1399 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1400 93948435 2022-06-13 thomas struct got_pack tmp;
1401 ec2b23c5 2022-07-01 thomas do {
1402 ec2b23c5 2022-07-01 thomas i--;
1403 ec2b23c5 2022-07-01 thomas } while (i > 0 && repo->pinned_pack >= 0 &&
1404 ec2b23c5 2022-07-01 thomas i == repo->pinned_pack);
1405 ec2b23c5 2022-07-01 thomas err = got_pack_close(&repo->packs[i]);
1406 1510f469 2018-09-09 stsp if (err)
1407 1510f469 2018-09-09 stsp return err;
1408 ec2b23c5 2022-07-01 thomas if (ftruncate(repo->packs[i].basefd, 0L) == -1)
1409 bfb5ee0b 2022-05-31 thomas return got_error_from_errno("ftruncate");
1410 ec2b23c5 2022-07-01 thomas if (ftruncate(repo->packs[i].accumfd, 0L) == -1)
1411 ec2b23c5 2022-07-01 thomas return got_error_from_errno("ftruncate");
1412 ec2b23c5 2022-07-01 thomas memcpy(&tmp, &repo->packs[i], sizeof(tmp));
1413 ec2b23c5 2022-07-01 thomas memcpy(&repo->packs[i], &repo->packs[0],
1414 ec2b23c5 2022-07-01 thomas sizeof(repo->packs[i]));
1415 93948435 2022-06-13 thomas memcpy(&repo->packs[0], &tmp, sizeof(repo->packs[0]));
1416 ec2b23c5 2022-07-01 thomas if (repo->pinned_pack == 0)
1417 ec2b23c5 2022-07-01 thomas repo->pinned_pack = i;
1418 ec2b23c5 2022-07-01 thomas else if (repo->pinned_pack == i)
1419 ec2b23c5 2022-07-01 thomas repo->pinned_pack = 0;
1420 1510f469 2018-09-09 stsp i = 0;
1421 1510f469 2018-09-09 stsp }
1422 1510f469 2018-09-09 stsp
1423 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1424 1510f469 2018-09-09 stsp
1425 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1426 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1427 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1428 1510f469 2018-09-09 stsp goto done;
1429 1510f469 2018-09-09 stsp }
1430 1510f469 2018-09-09 stsp
1431 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1432 1510f469 2018-09-09 stsp if (err)
1433 1510f469 2018-09-09 stsp goto done;
1434 1510f469 2018-09-09 stsp
1435 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1436 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1437 1510f469 2018-09-09 stsp goto done;
1438 ff563a3d 2019-05-23 stsp }
1439 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1440 90636195 2018-09-11 stsp
1441 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1442 1510f469 2018-09-09 stsp
1443 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1444 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1445 1510f469 2018-09-09 stsp pack->fd, 0);
1446 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1447 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1448 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1449 3a11398b 2019-02-21 stsp goto done;
1450 3a11398b 2019-02-21 stsp }
1451 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1452 3a11398b 2019-02-21 stsp }
1453 1510f469 2018-09-09 stsp #endif
1454 1510f469 2018-09-09 stsp done:
1455 1510f469 2018-09-09 stsp if (err) {
1456 1510f469 2018-09-09 stsp if (pack) {
1457 1510f469 2018-09-09 stsp free(pack->path_packfile);
1458 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1459 1510f469 2018-09-09 stsp }
1460 1510f469 2018-09-09 stsp } else if (packp)
1461 1510f469 2018-09-09 stsp *packp = pack;
1462 1510f469 2018-09-09 stsp return err;
1463 1510f469 2018-09-09 stsp }
1464 1510f469 2018-09-09 stsp
1465 1510f469 2018-09-09 stsp struct got_pack *
1466 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1467 1510f469 2018-09-09 stsp {
1468 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1469 16aeacf7 2020-11-26 stsp size_t i;
1470 1510f469 2018-09-09 stsp
1471 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1472 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1473 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1474 1510f469 2018-09-09 stsp break;
1475 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1476 1510f469 2018-09-09 stsp return pack;
1477 ec2b23c5 2022-07-01 thomas }
1478 ec2b23c5 2022-07-01 thomas
1479 ec2b23c5 2022-07-01 thomas return NULL;
1480 ec2b23c5 2022-07-01 thomas }
1481 ec2b23c5 2022-07-01 thomas
1482 ec2b23c5 2022-07-01 thomas const struct got_error *
1483 ec2b23c5 2022-07-01 thomas got_repo_pin_pack(struct got_repository *repo, struct got_packidx *packidx,
1484 ec2b23c5 2022-07-01 thomas struct got_pack *pack)
1485 ec2b23c5 2022-07-01 thomas {
1486 ec2b23c5 2022-07-01 thomas size_t i;
1487 ec2b23c5 2022-07-01 thomas int pinned_pack = -1, pinned_packidx = -1;
1488 ec2b23c5 2022-07-01 thomas
1489 ec2b23c5 2022-07-01 thomas for (i = 0; i < repo->pack_cache_size; i++) {
1490 ec2b23c5 2022-07-01 thomas if (repo->packidx_cache[i] &&
1491 ec2b23c5 2022-07-01 thomas strcmp(repo->packidx_cache[i]->path_packidx,
1492 ec2b23c5 2022-07-01 thomas packidx->path_packidx) == 0)
1493 ec2b23c5 2022-07-01 thomas pinned_packidx = i;
1494 ec2b23c5 2022-07-01 thomas if (repo->packs[i].path_packfile &&
1495 ec2b23c5 2022-07-01 thomas strcmp(repo->packs[i].path_packfile,
1496 ec2b23c5 2022-07-01 thomas pack->path_packfile) == 0)
1497 ec2b23c5 2022-07-01 thomas pinned_pack = i;
1498 2c7829a4 2019-06-17 stsp }
1499 ec2b23c5 2022-07-01 thomas
1500 ec2b23c5 2022-07-01 thomas if (pinned_packidx == -1 || pinned_pack == -1)
1501 ec2b23c5 2022-07-01 thomas return got_error(GOT_ERR_PIN_PACK);
1502 ec2b23c5 2022-07-01 thomas
1503 ec2b23c5 2022-07-01 thomas repo->pinned_pack = pinned_pack;
1504 ec2b23c5 2022-07-01 thomas repo->pinned_packidx = pinned_packidx;
1505 ec2b23c5 2022-07-01 thomas repo->pinned_pid = repo->packs[pinned_pack].privsep_child->pid;
1506 ec2b23c5 2022-07-01 thomas return NULL;
1507 ec2b23c5 2022-07-01 thomas }
1508 ec2b23c5 2022-07-01 thomas
1509 ec2b23c5 2022-07-01 thomas struct got_pack *
1510 ec2b23c5 2022-07-01 thomas got_repo_get_pinned_pack(struct got_repository *repo)
1511 ec2b23c5 2022-07-01 thomas {
1512 ec2b23c5 2022-07-01 thomas if (repo->pinned_pack >= 0 &&
1513 ec2b23c5 2022-07-01 thomas repo->pinned_pack < repo->pack_cache_size)
1514 ec2b23c5 2022-07-01 thomas return &repo->packs[repo->pinned_pack];
1515 2c7829a4 2019-06-17 stsp
1516 2c7829a4 2019-06-17 stsp return NULL;
1517 ec2b23c5 2022-07-01 thomas }
1518 ec2b23c5 2022-07-01 thomas
1519 ec2b23c5 2022-07-01 thomas void
1520 ec2b23c5 2022-07-01 thomas got_repo_unpin_pack(struct got_repository *repo)
1521 ec2b23c5 2022-07-01 thomas {
1522 ec2b23c5 2022-07-01 thomas repo->pinned_packidx = -1;
1523 ec2b23c5 2022-07-01 thomas repo->pinned_pack = -1;
1524 ec2b23c5 2022-07-01 thomas repo->pinned_pid = 0;
1525 2c7829a4 2019-06-17 stsp }
1526 2c7829a4 2019-06-17 stsp
1527 2c7829a4 2019-06-17 stsp const struct got_error *
1528 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1529 2c7829a4 2019-06-17 stsp {
1530 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1531 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1532 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1533 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1534 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1535 2c7829a4 2019-06-17 stsp };
1536 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1537 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1538 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1539 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1540 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1541 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1542 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1543 2c7829a4 2019-06-17 stsp char *path;
1544 16aeacf7 2020-11-26 stsp size_t i;
1545 2c7829a4 2019-06-17 stsp
1546 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1547 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1548 2c7829a4 2019-06-17 stsp
1549 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1550 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1551 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1552 2c7829a4 2019-06-17 stsp }
1553 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1554 2c7829a4 2019-06-17 stsp free(path);
1555 2c7829a4 2019-06-17 stsp if (err)
1556 2c7829a4 2019-06-17 stsp return err;
1557 1510f469 2018-09-09 stsp }
1558 1510f469 2018-09-09 stsp
1559 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1560 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1561 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1562 2c7829a4 2019-06-17 stsp free(path);
1563 2c7829a4 2019-06-17 stsp if (err)
1564 2c7829a4 2019-06-17 stsp return err;
1565 2c7829a4 2019-06-17 stsp
1566 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1567 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1568 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1569 2c7829a4 2019-06-17 stsp free(path);
1570 2c7829a4 2019-06-17 stsp if (err)
1571 2c7829a4 2019-06-17 stsp return err;
1572 2c7829a4 2019-06-17 stsp
1573 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1574 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1575 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1576 2c7829a4 2019-06-17 stsp free(path);
1577 2c7829a4 2019-06-17 stsp if (err)
1578 2c7829a4 2019-06-17 stsp return err;
1579 2c7829a4 2019-06-17 stsp
1580 1510f469 2018-09-09 stsp return NULL;
1581 e09a504c 2019-06-28 stsp }
1582 e09a504c 2019-06-28 stsp
1583 e09a504c 2019-06-28 stsp static const struct got_error *
1584 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1585 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1586 e09a504c 2019-06-28 stsp {
1587 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1588 de47d040 2022-03-22 thomas struct got_object_id_queue matched_ids;
1589 de47d040 2022-03-22 thomas struct got_pathlist_entry *pe;
1590 e09a504c 2019-06-28 stsp
1591 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1592 dd88155e 2019-06-29 stsp
1593 de47d040 2022-03-22 thomas TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1594 de47d040 2022-03-22 thomas const char *path_packidx = pe->path;
1595 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1596 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1597 e09a504c 2019-06-28 stsp
1598 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1599 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1600 e09a504c 2019-06-28 stsp if (err)
1601 4277420a 2019-06-29 stsp break;
1602 e09a504c 2019-06-28 stsp
1603 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1604 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1605 4277420a 2019-06-29 stsp if (err) {
1606 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1607 4277420a 2019-06-29 stsp break;
1608 4277420a 2019-06-29 stsp }
1609 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1610 dd88155e 2019-06-29 stsp if (err)
1611 e09a504c 2019-06-28 stsp break;
1612 e09a504c 2019-06-28 stsp
1613 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &matched_ids, entry) {
1614 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1615 dd88155e 2019-06-29 stsp int matched_type;
1616 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1617 ec242592 2022-04-22 thomas &qid->id);
1618 dd88155e 2019-06-29 stsp if (err)
1619 dd88155e 2019-06-29 stsp goto done;
1620 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1621 dd88155e 2019-06-29 stsp continue;
1622 dd88155e 2019-06-29 stsp }
1623 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1624 ec242592 2022-04-22 thomas *unique_id = got_object_id_dup(&qid->id);
1625 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1626 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1627 dd88155e 2019-06-29 stsp goto done;
1628 dd88155e 2019-06-29 stsp }
1629 4277420a 2019-06-29 stsp } else {
1630 ec242592 2022-04-22 thomas if (got_object_id_cmp(*unique_id,
1631 ec242592 2022-04-22 thomas &qid->id) == 0)
1632 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1633 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1634 561c3678 2019-07-02 stsp goto done;
1635 e09a504c 2019-06-28 stsp }
1636 e09a504c 2019-06-28 stsp }
1637 e09a504c 2019-06-28 stsp }
1638 e09a504c 2019-06-28 stsp done:
1639 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1640 e09a504c 2019-06-28 stsp if (err) {
1641 e09a504c 2019-06-28 stsp free(*unique_id);
1642 e09a504c 2019-06-28 stsp *unique_id = NULL;
1643 e09a504c 2019-06-28 stsp }
1644 e09a504c 2019-06-28 stsp return err;
1645 e09a504c 2019-06-28 stsp }
1646 e09a504c 2019-06-28 stsp
1647 e09a504c 2019-06-28 stsp static const struct got_error *
1648 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1649 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1650 e09a504c 2019-06-28 stsp struct got_repository *repo)
1651 e09a504c 2019-06-28 stsp {
1652 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1653 e09a504c 2019-06-28 stsp char *path;
1654 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1655 e09a504c 2019-06-28 stsp struct dirent *dent;
1656 e09a504c 2019-06-28 stsp struct got_object_id id;
1657 e09a504c 2019-06-28 stsp
1658 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1659 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1660 e09a504c 2019-06-28 stsp goto done;
1661 e09a504c 2019-06-28 stsp }
1662 e09a504c 2019-06-28 stsp
1663 e09a504c 2019-06-28 stsp dir = opendir(path);
1664 e09a504c 2019-06-28 stsp if (dir == NULL) {
1665 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1666 4277420a 2019-06-29 stsp err = NULL;
1667 4277420a 2019-06-29 stsp goto done;
1668 4277420a 2019-06-29 stsp }
1669 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1670 e09a504c 2019-06-28 stsp goto done;
1671 e09a504c 2019-06-28 stsp }
1672 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1673 e09a504c 2019-06-28 stsp char *id_str;
1674 5903ff6e 2019-06-29 stsp int cmp;
1675 5903ff6e 2019-06-29 stsp
1676 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1677 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1678 e09a504c 2019-06-28 stsp continue;
1679 e09a504c 2019-06-28 stsp
1680 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1681 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1682 e09a504c 2019-06-28 stsp goto done;
1683 e09a504c 2019-06-28 stsp }
1684 e09a504c 2019-06-28 stsp
1685 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1686 e09a504c 2019-06-28 stsp continue;
1687 e09a504c 2019-06-28 stsp
1688 52d1d0d9 2019-07-07 stsp /*
1689 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1690 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1691 52d1d0d9 2019-07-07 stsp */
1692 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1693 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1694 e09a504c 2019-06-28 stsp free(id_str);
1695 e09a504c 2019-06-28 stsp continue;
1696 e09a504c 2019-06-28 stsp }
1697 e09a504c 2019-06-28 stsp
1698 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1699 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1700 dd88155e 2019-06-29 stsp int matched_type;
1701 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1702 dd88155e 2019-06-29 stsp &id);
1703 dd88155e 2019-06-29 stsp if (err)
1704 dd88155e 2019-06-29 stsp goto done;
1705 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1706 dd88155e 2019-06-29 stsp continue;
1707 dd88155e 2019-06-29 stsp }
1708 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1709 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1710 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1711 e09a504c 2019-06-28 stsp free(id_str);
1712 e09a504c 2019-06-28 stsp goto done;
1713 e09a504c 2019-06-28 stsp }
1714 e09a504c 2019-06-28 stsp } else {
1715 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1716 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1717 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1718 e09a504c 2019-06-28 stsp free(id_str);
1719 e09a504c 2019-06-28 stsp goto done;
1720 e09a504c 2019-06-28 stsp }
1721 e09a504c 2019-06-28 stsp }
1722 e09a504c 2019-06-28 stsp done:
1723 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1724 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1725 e09a504c 2019-06-28 stsp if (err) {
1726 e09a504c 2019-06-28 stsp free(*unique_id);
1727 e09a504c 2019-06-28 stsp *unique_id = NULL;
1728 e09a504c 2019-06-28 stsp }
1729 e09a504c 2019-06-28 stsp free(path);
1730 e09a504c 2019-06-28 stsp return err;
1731 1510f469 2018-09-09 stsp }
1732 e09a504c 2019-06-28 stsp
1733 e09a504c 2019-06-28 stsp const struct got_error *
1734 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1735 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1736 e09a504c 2019-06-28 stsp {
1737 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1738 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1739 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1740 e09a504c 2019-06-28 stsp size_t len;
1741 4277420a 2019-06-29 stsp int i;
1742 e09a504c 2019-06-28 stsp
1743 4277420a 2019-06-29 stsp *id = NULL;
1744 4277420a 2019-06-29 stsp
1745 70e6418e 2022-03-10 thomas len = strlen(id_str_prefix);
1746 70e6418e 2022-03-10 thomas if (len > SHA1_DIGEST_STRING_LENGTH - 1)
1747 70e6418e 2022-03-10 thomas return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1748 70e6418e 2022-03-10 thomas
1749 70e6418e 2022-03-10 thomas for (i = 0; i < len; i++) {
1750 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1751 4277420a 2019-06-29 stsp continue;
1752 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1753 4277420a 2019-06-29 stsp }
1754 4277420a 2019-06-29 stsp
1755 e09a504c 2019-06-28 stsp if (len >= 2) {
1756 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1757 4277420a 2019-06-29 stsp if (err)
1758 83c8b3b8 2019-06-29 stsp goto done;
1759 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1760 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1761 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1762 83c8b3b8 2019-06-29 stsp goto done;
1763 83c8b3b8 2019-06-29 stsp }
1764 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1765 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1766 e09a504c 2019-06-28 stsp } else if (len == 1) {
1767 e09a504c 2019-06-28 stsp int i;
1768 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1769 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1770 83c8b3b8 2019-06-29 stsp == -1) {
1771 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1772 83c8b3b8 2019-06-29 stsp goto done;
1773 83c8b3b8 2019-06-29 stsp }
1774 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1775 dd88155e 2019-06-29 stsp obj_type);
1776 4277420a 2019-06-29 stsp if (err)
1777 83c8b3b8 2019-06-29 stsp goto done;
1778 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1779 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1780 e09a504c 2019-06-28 stsp if (err)
1781 83c8b3b8 2019-06-29 stsp goto done;
1782 e09a504c 2019-06-28 stsp }
1783 83c8b3b8 2019-06-29 stsp } else {
1784 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1785 83c8b3b8 2019-06-29 stsp goto done;
1786 83c8b3b8 2019-06-29 stsp }
1787 83c8b3b8 2019-06-29 stsp done:
1788 e09a504c 2019-06-28 stsp free(object_dir);
1789 4277420a 2019-06-29 stsp if (err) {
1790 4277420a 2019-06-29 stsp free(*id);
1791 4277420a 2019-06-29 stsp *id = NULL;
1792 a3599220 2021-10-10 thomas } else if (*id == NULL) {
1793 a3599220 2021-10-10 thomas switch (obj_type) {
1794 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_BLOB:
1795 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1796 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_BLOB, id_str_prefix);
1797 a3599220 2021-10-10 thomas break;
1798 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TREE:
1799 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1800 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TREE, id_str_prefix);
1801 a3599220 2021-10-10 thomas break;
1802 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_COMMIT:
1803 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1804 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_COMMIT, id_str_prefix);
1805 a3599220 2021-10-10 thomas break;
1806 a3599220 2021-10-10 thomas case GOT_OBJ_TYPE_TAG:
1807 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1808 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TAG, id_str_prefix);
1809 a3599220 2021-10-10 thomas break;
1810 a3599220 2021-10-10 thomas default:
1811 a3599220 2021-10-10 thomas err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1812 a3599220 2021-10-10 thomas break;
1813 a3599220 2021-10-10 thomas }
1814 a3599220 2021-10-10 thomas }
1815 303e2782 2019-08-09 stsp
1816 303e2782 2019-08-09 stsp return err;
1817 303e2782 2019-08-09 stsp }
1818 303e2782 2019-08-09 stsp
1819 303e2782 2019-08-09 stsp const struct got_error *
1820 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1821 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1822 71a27632 2020-01-15 stsp struct got_repository *repo)
1823 71a27632 2020-01-15 stsp {
1824 71a27632 2020-01-15 stsp const struct got_error *err;
1825 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1826 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1827 71a27632 2020-01-15 stsp
1828 71a27632 2020-01-15 stsp *id = NULL;
1829 71a27632 2020-01-15 stsp if (label)
1830 71a27632 2020-01-15 stsp *label = NULL;
1831 71a27632 2020-01-15 stsp
1832 84de9106 2020-12-26 stsp if (refs) {
1833 f1165c79 2021-10-10 thomas err = got_repo_object_match_tag(&tag, id_str, obj_type,
1834 84de9106 2020-12-26 stsp refs, repo);
1835 71a27632 2020-01-15 stsp if (err == NULL) {
1836 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1837 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1838 71a27632 2020-01-15 stsp if (*id == NULL)
1839 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1840 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1841 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1842 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1843 71a27632 2020-01-15 stsp free(*id);
1844 71a27632 2020-01-15 stsp *id = NULL;
1845 71a27632 2020-01-15 stsp }
1846 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1847 71a27632 2020-01-15 stsp return err;
1848 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1849 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1850 71a27632 2020-01-15 stsp return err;
1851 71a27632 2020-01-15 stsp }
1852 71a27632 2020-01-15 stsp
1853 65ad15fa 2022-07-16 thomas err = got_ref_open(&ref, repo, id_str, 0);
1854 65ad15fa 2022-07-16 thomas if (err == NULL) {
1855 65ad15fa 2022-07-16 thomas err = got_ref_resolve(id, repo, ref);
1856 65ad15fa 2022-07-16 thomas if (err)
1857 71a27632 2020-01-15 stsp goto done;
1858 71a27632 2020-01-15 stsp if (label) {
1859 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1860 71a27632 2020-01-15 stsp if (*label == NULL) {
1861 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1862 71a27632 2020-01-15 stsp goto done;
1863 71a27632 2020-01-15 stsp }
1864 71a27632 2020-01-15 stsp }
1865 65ad15fa 2022-07-16 thomas } else {
1866 65ad15fa 2022-07-16 thomas if (err->code != GOT_ERR_NOT_REF &&
1867 65ad15fa 2022-07-16 thomas err->code != GOT_ERR_BAD_REF_NAME)
1868 71a27632 2020-01-15 stsp goto done;
1869 65ad15fa 2022-07-16 thomas err = got_repo_match_object_id_prefix(id, id_str,
1870 65ad15fa 2022-07-16 thomas obj_type, repo);
1871 65ad15fa 2022-07-16 thomas if (err) {
1872 65ad15fa 2022-07-16 thomas if (err->code == GOT_ERR_BAD_OBJ_ID_STR)
1873 65ad15fa 2022-07-16 thomas err = got_error_not_ref(id_str);
1874 65ad15fa 2022-07-16 thomas goto done;
1875 71a27632 2020-01-15 stsp }
1876 65ad15fa 2022-07-16 thomas if (label) {
1877 65ad15fa 2022-07-16 thomas err = got_object_id_str(label, *id);
1878 65ad15fa 2022-07-16 thomas if (*label == NULL) {
1879 65ad15fa 2022-07-16 thomas err = got_error_from_errno("strdup");
1880 65ad15fa 2022-07-16 thomas goto done;
1881 65ad15fa 2022-07-16 thomas }
1882 65ad15fa 2022-07-16 thomas }
1883 71a27632 2020-01-15 stsp }
1884 71a27632 2020-01-15 stsp done:
1885 71a27632 2020-01-15 stsp if (ref)
1886 71a27632 2020-01-15 stsp got_ref_close(ref);
1887 71a27632 2020-01-15 stsp return err;
1888 71a27632 2020-01-15 stsp }
1889 71a27632 2020-01-15 stsp
1890 71a27632 2020-01-15 stsp const struct got_error *
1891 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1892 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1893 303e2782 2019-08-09 stsp {
1894 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1895 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1896 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1897 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1898 303e2782 2019-08-09 stsp
1899 303e2782 2019-08-09 stsp *tag = NULL;
1900 303e2782 2019-08-09 stsp
1901 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1902 303e2782 2019-08-09 stsp const char *refname;
1903 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1904 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1905 303e2782 2019-08-09 stsp continue;
1906 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1907 84de9106 2020-12-26 stsp continue;
1908 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1909 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1910 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1911 303e2782 2019-08-09 stsp continue;
1912 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1913 303e2782 2019-08-09 stsp if (err)
1914 303e2782 2019-08-09 stsp break;
1915 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1916 303e2782 2019-08-09 stsp free(tag_id);
1917 303e2782 2019-08-09 stsp if (err)
1918 303e2782 2019-08-09 stsp break;
1919 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1920 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1921 303e2782 2019-08-09 stsp break;
1922 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1923 303e2782 2019-08-09 stsp *tag = NULL;
1924 303e2782 2019-08-09 stsp }
1925 4277420a 2019-06-29 stsp
1926 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1927 a3599220 2021-10-10 thomas err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1928 a3599220 2021-10-10 thomas GOT_OBJ_LABEL_TAG, name);
1929 e09a504c 2019-06-28 stsp return err;
1930 e09a504c 2019-06-28 stsp }
1931 7a1d6b72 2020-01-15 stsp
1932 3ce1b845 2019-07-15 stsp static const struct got_error *
1933 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1934 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1935 3ce1b845 2019-07-15 stsp {
1936 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1937 3ce1b845 2019-07-15 stsp
1938 3ce1b845 2019-07-15 stsp *new_te = NULL;
1939 3ce1b845 2019-07-15 stsp
1940 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1941 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1942 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1943 3ce1b845 2019-07-15 stsp
1944 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1945 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1946 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1947 3ce1b845 2019-07-15 stsp goto done;
1948 3ce1b845 2019-07-15 stsp }
1949 3ce1b845 2019-07-15 stsp
1950 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1951 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1952 e8863bdc 2020-07-23 stsp } else {
1953 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1954 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1955 e8863bdc 2020-07-23 stsp }
1956 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1957 3ce1b845 2019-07-15 stsp done:
1958 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1959 56e0773d 2019-11-28 stsp free(*new_te);
1960 3ce1b845 2019-07-15 stsp *new_te = NULL;
1961 3ce1b845 2019-07-15 stsp }
1962 3ce1b845 2019-07-15 stsp return err;
1963 3ce1b845 2019-07-15 stsp }
1964 3ce1b845 2019-07-15 stsp
1965 3ce1b845 2019-07-15 stsp static const struct got_error *
1966 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1967 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1968 3ce1b845 2019-07-15 stsp {
1969 3ce1b845 2019-07-15 stsp const struct got_error *err;
1970 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1971 3ce1b845 2019-07-15 stsp char *filepath;
1972 3ce1b845 2019-07-15 stsp struct stat sb;
1973 3ce1b845 2019-07-15 stsp
1974 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1975 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1976 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1977 3ce1b845 2019-07-15 stsp
1978 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1979 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1980 3ce1b845 2019-07-15 stsp goto done;
1981 3ce1b845 2019-07-15 stsp }
1982 3ce1b845 2019-07-15 stsp
1983 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1984 3ce1b845 2019-07-15 stsp if (err)
1985 3ce1b845 2019-07-15 stsp goto done;
1986 3ce1b845 2019-07-15 stsp
1987 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1988 3ce1b845 2019-07-15 stsp blob_id);
1989 3ce1b845 2019-07-15 stsp done:
1990 3ce1b845 2019-07-15 stsp free(filepath);
1991 3ce1b845 2019-07-15 stsp if (err)
1992 3ce1b845 2019-07-15 stsp free(blob_id);
1993 3ce1b845 2019-07-15 stsp return err;
1994 3ce1b845 2019-07-15 stsp }
1995 3ce1b845 2019-07-15 stsp
1996 3ce1b845 2019-07-15 stsp static const struct got_error *
1997 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1998 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1999 3ce1b845 2019-07-15 stsp {
2000 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
2001 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
2002 3ce1b845 2019-07-15 stsp
2003 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
2004 3ce1b845 2019-07-15 stsp if (err)
2005 3ce1b845 2019-07-15 stsp return err;
2006 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
2007 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
2008 3ce1b845 2019-07-15 stsp return NULL;
2009 3ce1b845 2019-07-15 stsp }
2010 3ce1b845 2019-07-15 stsp
2011 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
2012 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
2013 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
2014 3ce1b845 2019-07-15 stsp
2015 3ce1b845 2019-07-15 stsp static const struct got_error *
2016 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
2017 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
2018 3ce1b845 2019-07-15 stsp struct got_repository *repo,
2019 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
2020 3ce1b845 2019-07-15 stsp {
2021 3ce1b845 2019-07-15 stsp const struct got_error *err;
2022 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
2023 3ce1b845 2019-07-15 stsp char *subdirpath;
2024 3ce1b845 2019-07-15 stsp
2025 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
2026 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
2027 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
2028 3ce1b845 2019-07-15 stsp
2029 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
2030 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
2031 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
2032 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
2033 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
2034 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
2035 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
2036 3ce1b845 2019-07-15 stsp goto done;
2037 3ce1b845 2019-07-15 stsp }
2038 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
2039 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2040 56e0773d 2019-11-28 stsp if (err)
2041 56e0773d 2019-11-28 stsp goto done;
2042 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
2043 56e0773d 2019-11-28 stsp
2044 3ce1b845 2019-07-15 stsp done:
2045 56e0773d 2019-11-28 stsp free(id);
2046 3ce1b845 2019-07-15 stsp free(subdirpath);
2047 3ce1b845 2019-07-15 stsp if (err) {
2048 56e0773d 2019-11-28 stsp free(*new_te);
2049 3ce1b845 2019-07-15 stsp *new_te = NULL;
2050 3ce1b845 2019-07-15 stsp }
2051 3ce1b845 2019-07-15 stsp return err;
2052 3ce1b845 2019-07-15 stsp }
2053 3ce1b845 2019-07-15 stsp
2054 3ce1b845 2019-07-15 stsp static const struct got_error *
2055 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
2056 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
2057 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
2058 3ce1b845 2019-07-15 stsp {
2059 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
2060 3ce1b845 2019-07-15 stsp DIR *dir;
2061 3ce1b845 2019-07-15 stsp struct dirent *de;
2062 56e0773d 2019-11-28 stsp int nentries;
2063 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
2064 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
2065 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
2066 3ce1b845 2019-07-15 stsp
2067 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
2068 3ce1b845 2019-07-15 stsp
2069 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
2070 3ce1b845 2019-07-15 stsp
2071 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
2072 3ce1b845 2019-07-15 stsp if (dir == NULL) {
2073 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
2074 3ce1b845 2019-07-15 stsp goto done;
2075 3ce1b845 2019-07-15 stsp }
2076 3ce1b845 2019-07-15 stsp
2077 56e0773d 2019-11-28 stsp nentries = 0;
2078 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
2079 3ce1b845 2019-07-15 stsp int ignore = 0;
2080 20ccae39 2020-07-21 stsp int type;
2081 3ce1b845 2019-07-15 stsp
2082 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
2083 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
2084 3ce1b845 2019-07-15 stsp continue;
2085 3ce1b845 2019-07-15 stsp
2086 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
2087 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
2088 3ce1b845 2019-07-15 stsp ignore = 1;
2089 3ce1b845 2019-07-15 stsp break;
2090 3ce1b845 2019-07-15 stsp }
2091 3ce1b845 2019-07-15 stsp }
2092 3ce1b845 2019-07-15 stsp if (ignore)
2093 3ce1b845 2019-07-15 stsp continue;
2094 20ccae39 2020-07-21 stsp
2095 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
2096 20ccae39 2020-07-21 stsp if (err)
2097 20ccae39 2020-07-21 stsp goto done;
2098 20ccae39 2020-07-21 stsp
2099 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
2100 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
2101 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
2102 db1d3576 2019-10-04 stsp if (err) {
2103 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
2104 db1d3576 2019-10-04 stsp goto done;
2105 db1d3576 2019-10-04 stsp err = NULL;
2106 db1d3576 2019-10-04 stsp continue;
2107 db1d3576 2019-10-04 stsp }
2108 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
2109 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
2110 3ce1b845 2019-07-15 stsp if (err)
2111 3ce1b845 2019-07-15 stsp goto done;
2112 3ce1b845 2019-07-15 stsp } else
2113 3ce1b845 2019-07-15 stsp continue;
2114 3ce1b845 2019-07-15 stsp
2115 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
2116 3ce1b845 2019-07-15 stsp if (err)
2117 3ce1b845 2019-07-15 stsp goto done;
2118 56e0773d 2019-11-28 stsp nentries++;
2119 3ce1b845 2019-07-15 stsp }
2120 3ce1b845 2019-07-15 stsp
2121 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
2122 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
2123 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
2124 db1d3576 2019-10-04 stsp goto done;
2125 db1d3576 2019-10-04 stsp }
2126 db1d3576 2019-10-04 stsp
2127 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
2128 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
2129 3ce1b845 2019-07-15 stsp char *path;
2130 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
2131 3ce1b845 2019-07-15 stsp continue;
2132 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
2133 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
2134 3ce1b845 2019-07-15 stsp goto done;
2135 3ce1b845 2019-07-15 stsp }
2136 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
2137 3ce1b845 2019-07-15 stsp free(path);
2138 3ce1b845 2019-07-15 stsp if (err)
2139 3ce1b845 2019-07-15 stsp goto done;
2140 3ce1b845 2019-07-15 stsp }
2141 3ce1b845 2019-07-15 stsp
2142 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
2143 3ce1b845 2019-07-15 stsp done:
2144 3ce1b845 2019-07-15 stsp if (dir)
2145 3ce1b845 2019-07-15 stsp closedir(dir);
2146 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
2147 3ce1b845 2019-07-15 stsp return err;
2148 3ce1b845 2019-07-15 stsp }
2149 3ce1b845 2019-07-15 stsp
2150 3ce1b845 2019-07-15 stsp const struct got_error *
2151 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
2152 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
2153 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
2154 3ce1b845 2019-07-15 stsp void *progress_arg)
2155 3ce1b845 2019-07-15 stsp {
2156 3ce1b845 2019-07-15 stsp const struct got_error *err;
2157 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
2158 3ce1b845 2019-07-15 stsp
2159 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
2160 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2161 3ce1b845 2019-07-15 stsp if (err)
2162 3ce1b845 2019-07-15 stsp return err;
2163 3ce1b845 2019-07-15 stsp
2164 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
2165 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
2166 3ce1b845 2019-07-15 stsp free(new_tree_id);
2167 20662ea0 2021-04-10 stsp return err;
2168 20662ea0 2021-04-10 stsp }
2169 20662ea0 2021-04-10 stsp
2170 20662ea0 2021-04-10 stsp const struct got_error *
2171 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
2172 20662ea0 2021-04-10 stsp struct got_repository *repo)
2173 20662ea0 2021-04-10 stsp {
2174 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
2175 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
2176 20662ea0 2021-04-10 stsp DIR *dir = NULL;
2177 20662ea0 2021-04-10 stsp struct got_object_id id;
2178 20662ea0 2021-04-10 stsp int i;
2179 20662ea0 2021-04-10 stsp
2180 20662ea0 2021-04-10 stsp *nobjects = 0;
2181 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2182 20662ea0 2021-04-10 stsp
2183 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
2184 20662ea0 2021-04-10 stsp if (path_objects == NULL)
2185 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
2186 20662ea0 2021-04-10 stsp
2187 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
2188 20662ea0 2021-04-10 stsp struct dirent *dent;
2189 20662ea0 2021-04-10 stsp
2190 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2191 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2192 20662ea0 2021-04-10 stsp break;
2193 20662ea0 2021-04-10 stsp }
2194 20662ea0 2021-04-10 stsp
2195 20662ea0 2021-04-10 stsp dir = opendir(path);
2196 20662ea0 2021-04-10 stsp if (dir == NULL) {
2197 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
2198 20662ea0 2021-04-10 stsp err = NULL;
2199 20662ea0 2021-04-10 stsp continue;
2200 20662ea0 2021-04-10 stsp }
2201 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
2202 20662ea0 2021-04-10 stsp break;
2203 20662ea0 2021-04-10 stsp }
2204 20662ea0 2021-04-10 stsp
2205 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
2206 20662ea0 2021-04-10 stsp char *id_str;
2207 20662ea0 2021-04-10 stsp int fd;
2208 20662ea0 2021-04-10 stsp struct stat sb;
2209 20662ea0 2021-04-10 stsp
2210 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
2211 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
2212 20662ea0 2021-04-10 stsp continue;
2213 20662ea0 2021-04-10 stsp
2214 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2215 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2216 20662ea0 2021-04-10 stsp goto done;
2217 20662ea0 2021-04-10 stsp }
2218 20662ea0 2021-04-10 stsp
2219 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
2220 20662ea0 2021-04-10 stsp free(id_str);
2221 20662ea0 2021-04-10 stsp continue;
2222 20662ea0 2021-04-10 stsp }
2223 20662ea0 2021-04-10 stsp free(id_str);
2224 20662ea0 2021-04-10 stsp
2225 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
2226 20662ea0 2021-04-10 stsp if (err)
2227 20662ea0 2021-04-10 stsp goto done;
2228 20662ea0 2021-04-10 stsp
2229 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
2230 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
2231 20662ea0 2021-04-10 stsp close(fd);
2232 20662ea0 2021-04-10 stsp goto done;
2233 20662ea0 2021-04-10 stsp }
2234 20662ea0 2021-04-10 stsp (*nobjects)++;
2235 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
2236 20662ea0 2021-04-10 stsp
2237 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
2238 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
2239 20662ea0 2021-04-10 stsp goto done;
2240 20662ea0 2021-04-10 stsp }
2241 20662ea0 2021-04-10 stsp }
2242 20662ea0 2021-04-10 stsp
2243 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
2244 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2245 20662ea0 2021-04-10 stsp goto done;
2246 20662ea0 2021-04-10 stsp }
2247 20662ea0 2021-04-10 stsp dir = NULL;
2248 20662ea0 2021-04-10 stsp
2249 20662ea0 2021-04-10 stsp free(path);
2250 20662ea0 2021-04-10 stsp path = NULL;
2251 20662ea0 2021-04-10 stsp }
2252 20662ea0 2021-04-10 stsp done:
2253 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
2254 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2255 20662ea0 2021-04-10 stsp
2256 20662ea0 2021-04-10 stsp if (err) {
2257 20662ea0 2021-04-10 stsp *nobjects = 0;
2258 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2259 20662ea0 2021-04-10 stsp }
2260 20662ea0 2021-04-10 stsp free(path_objects);
2261 20662ea0 2021-04-10 stsp free(path);
2262 3ce1b845 2019-07-15 stsp return err;
2263 3ce1b845 2019-07-15 stsp }
2264 20662ea0 2021-04-10 stsp
2265 20662ea0 2021-04-10 stsp const struct got_error *
2266 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2267 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
2268 20662ea0 2021-04-10 stsp {
2269 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
2270 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
2271 20662ea0 2021-04-10 stsp struct dirent *dent;
2272 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
2273 20662ea0 2021-04-10 stsp char *path_packidx;
2274 20662ea0 2021-04-10 stsp char *path_packfile;
2275 20662ea0 2021-04-10 stsp int packdir_fd;
2276 20662ea0 2021-04-10 stsp struct stat sb;
2277 20662ea0 2021-04-10 stsp
2278 20662ea0 2021-04-10 stsp *npackfiles = 0;
2279 20662ea0 2021-04-10 stsp *nobjects = 0;
2280 20662ea0 2021-04-10 stsp *total_packsize = 0;
2281 20662ea0 2021-04-10 stsp
2282 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
2283 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2284 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
2285 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
2286 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
2287 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
2288 20662ea0 2021-04-10 stsp }
2289 20662ea0 2021-04-10 stsp
2290 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
2291 20662ea0 2021-04-10 stsp if (packdir == NULL) {
2292 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
2293 20662ea0 2021-04-10 stsp goto done;
2294 20662ea0 2021-04-10 stsp }
2295 20662ea0 2021-04-10 stsp
2296 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
2297 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
2298 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
2299 20662ea0 2021-04-10 stsp continue;
2300 20662ea0 2021-04-10 stsp
2301 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2302 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
2303 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2304 20662ea0 2021-04-10 stsp goto done;
2305 20662ea0 2021-04-10 stsp }
2306 20662ea0 2021-04-10 stsp
2307 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2308 20662ea0 2021-04-10 stsp path_packidx, 0);
2309 20662ea0 2021-04-10 stsp free(path_packidx);
2310 20662ea0 2021-04-10 stsp if (err)
2311 20662ea0 2021-04-10 stsp goto done;
2312 20662ea0 2021-04-10 stsp
2313 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
2314 20662ea0 2021-04-10 stsp goto done;
2315 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2316 20662ea0 2021-04-10 stsp
2317 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2318 aea75d87 2021-07-06 stsp packidx->path_packidx);
2319 20662ea0 2021-04-10 stsp if (err)
2320 20662ea0 2021-04-10 stsp goto done;
2321 20662ea0 2021-04-10 stsp
2322 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2323 20662ea0 2021-04-10 stsp 0) == -1) {
2324 20662ea0 2021-04-10 stsp free(path_packfile);
2325 20662ea0 2021-04-10 stsp goto done;
2326 20662ea0 2021-04-10 stsp }
2327 20662ea0 2021-04-10 stsp free(path_packfile);
2328 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2329 20662ea0 2021-04-10 stsp
2330 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2331 20662ea0 2021-04-10 stsp
2332 20662ea0 2021-04-10 stsp (*npackfiles)++;
2333 20662ea0 2021-04-10 stsp
2334 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2335 20662ea0 2021-04-10 stsp packidx = NULL;
2336 20662ea0 2021-04-10 stsp }
2337 20662ea0 2021-04-10 stsp done:
2338 20662ea0 2021-04-10 stsp if (packidx)
2339 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2340 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2341 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2342 20662ea0 2021-04-10 stsp if (err) {
2343 20662ea0 2021-04-10 stsp *npackfiles = 0;
2344 20662ea0 2021-04-10 stsp *nobjects = 0;
2345 20662ea0 2021-04-10 stsp *total_packsize = 0;
2346 20662ea0 2021-04-10 stsp }
2347 20662ea0 2021-04-10 stsp return err;
2348 20662ea0 2021-04-10 stsp }
2349 0be8fa4c 2021-10-15 thomas
2350 0be8fa4c 2021-10-15 thomas RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2351 0be8fa4c 2021-10-15 thomas got_packidx_bloom_filter_cmp);