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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 79b11c62 2018-03-09 stsp #include <sys/queue.h>
19 f8b19efd 2021-10-13 stsp #include <sys/tree.h>
20 ad242220 2018-09-08 stsp #include <sys/uio.h>
21 aba9c984 2019-09-08 stsp #include <sys/socket.h>
22 deeca238 2018-03-12 stsp #include <sys/stat.h>
23 1510f469 2018-09-09 stsp #include <sys/mman.h>
24 6c414261 2021-03-30 stsp #include <sys/resource.h>
25 79b11c62 2018-03-09 stsp
26 e09a504c 2019-06-28 stsp #include <ctype.h>
27 78fb0967 2020-09-09 naddy #include <endian.h>
28 1510f469 2018-09-09 stsp #include <fcntl.h>
29 3ce1b845 2019-07-15 stsp #include <fnmatch.h>
30 4027f31a 2017-11-04 stsp #include <limits.h>
31 1510f469 2018-09-09 stsp #include <dirent.h>
32 4027f31a 2017-11-04 stsp #include <stdlib.h>
33 4027f31a 2017-11-04 stsp #include <stdio.h>
34 4027f31a 2017-11-04 stsp #include <sha1.h>
35 4027f31a 2017-11-04 stsp #include <string.h>
36 303e14b5 2019-09-23 stsp #include <time.h>
37 81a12da5 2020-09-09 naddy #include <unistd.h>
38 79b11c62 2018-03-09 stsp #include <zlib.h>
39 85f51bba 2018-07-16 stsp #include <errno.h>
40 85f51bba 2018-07-16 stsp #include <libgen.h>
41 ad242220 2018-09-08 stsp #include <stdint.h>
42 ad242220 2018-09-08 stsp #include <imsg.h>
43 c442a90d 2019-03-10 stsp #include <uuid.h>
44 4027f31a 2017-11-04 stsp
45 b343c297 2021-10-11 stsp #include "bloom.h"
46 b343c297 2021-10-11 stsp
47 4027f31a 2017-11-04 stsp #include "got_error.h"
48 5261c201 2018-04-01 stsp #include "got_reference.h"
49 4027f31a 2017-11-04 stsp #include "got_repository.h"
50 1dd54920 2019-05-11 stsp #include "got_path.h"
51 e6209546 2019-08-22 stsp #include "got_cancel.h"
52 7bb0daa1 2018-06-21 stsp #include "got_object.h"
53 57160834 2022-05-31 stsp #include "got_opentemp.h"
54 4027f31a 2017-11-04 stsp
55 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
56 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
57 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
58 3ce1b845 2019-07-15 stsp #include "got_lib_object_parse.h"
59 3ce1b845 2019-07-15 stsp #include "got_lib_object_create.h"
60 718b3ab0 2018-03-17 stsp #include "got_lib_pack.h"
61 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
62 e09a504c 2019-06-28 stsp #include "got_lib_sha1.h"
63 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
64 6bef87be 2018-09-11 stsp #include "got_lib_repository.h"
65 50b0790e 2020-09-11 stsp #include "got_lib_gotconfig.h"
66 c3f94f68 2017-11-05 stsp
67 79b11c62 2018-03-09 stsp #ifndef nitems
68 79b11c62 2018-03-09 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
69 79b11c62 2018-03-09 stsp #endif
70 4df642d9 2017-11-05 stsp
71 0ae84acc 2022-06-15 tracey #define GOT_PACK_NUM_TEMPFILES GOT_PACK_CACHE_SIZE * 2
72 0ae84acc 2022-06-15 tracey
73 f8b19efd 2021-10-13 stsp RB_PROTOTYPE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
74 f8b19efd 2021-10-13 stsp got_packidx_bloom_filter_cmp);
75 f8b19efd 2021-10-13 stsp
76 7839bc15 2019-01-06 stsp const char *
77 86c3caaf 2018-03-09 stsp got_repo_get_path(struct got_repository *repo)
78 86c3caaf 2018-03-09 stsp {
79 7839bc15 2019-01-06 stsp return repo->path;
80 86c3caaf 2018-03-09 stsp }
81 86c3caaf 2018-03-09 stsp
82 6e9da951 2019-01-06 stsp const char *
83 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
84 4027f31a 2017-11-04 stsp {
85 6e9da951 2019-01-06 stsp return repo->path_git_dir;
86 6d5a9006 2020-12-16 yzhong }
87 6d5a9006 2020-12-16 yzhong
88 6d5a9006 2020-12-16 yzhong int
89 6d5a9006 2020-12-16 yzhong got_repo_get_fd(struct got_repository *repo)
90 6d5a9006 2020-12-16 yzhong {
91 6d5a9006 2020-12-16 yzhong return repo->gitdir_fd;
92 04ca23f4 2018-07-16 stsp }
93 04ca23f4 2018-07-16 stsp
94 aba9c984 2019-09-08 stsp const char *
95 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_name(struct got_repository *repo)
96 aba9c984 2019-09-08 stsp {
97 aba9c984 2019-09-08 stsp return repo->gitconfig_author_name;
98 aba9c984 2019-09-08 stsp }
99 aba9c984 2019-09-08 stsp
100 aba9c984 2019-09-08 stsp const char *
101 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_email(struct got_repository *repo)
102 aba9c984 2019-09-08 stsp {
103 aba9c984 2019-09-08 stsp return repo->gitconfig_author_email;
104 c9956ddf 2019-09-08 stsp }
105 c9956ddf 2019-09-08 stsp
106 c9956ddf 2019-09-08 stsp const char *
107 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_name(struct got_repository *repo)
108 c9956ddf 2019-09-08 stsp {
109 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_name;
110 c9956ddf 2019-09-08 stsp }
111 c9956ddf 2019-09-08 stsp
112 c9956ddf 2019-09-08 stsp const char *
113 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_email(struct got_repository *repo)
114 c9956ddf 2019-09-08 stsp {
115 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_email;
116 9a1cc63f 2020-02-03 stsp }
117 9a1cc63f 2020-02-03 stsp
118 9a1cc63f 2020-02-03 stsp const char *
119 9a1cc63f 2020-02-03 stsp got_repo_get_gitconfig_owner(struct got_repository *repo)
120 9a1cc63f 2020-02-03 stsp {
121 9a1cc63f 2020-02-03 stsp return repo->gitconfig_owner;
122 9188bd78 2021-07-03 stsp }
123 9188bd78 2021-07-03 stsp
124 9188bd78 2021-07-03 stsp void
125 9188bd78 2021-07-03 stsp got_repo_get_gitconfig_extensions(char ***extensions, int *nextensions,
126 9188bd78 2021-07-03 stsp struct got_repository *repo)
127 9188bd78 2021-07-03 stsp {
128 9188bd78 2021-07-03 stsp *extensions = repo->extensions;
129 9188bd78 2021-07-03 stsp *nextensions = repo->nextensions;
130 aba9c984 2019-09-08 stsp }
131 aba9c984 2019-09-08 stsp
132 04ca23f4 2018-07-16 stsp int
133 04ca23f4 2018-07-16 stsp got_repo_is_bare(struct got_repository *repo)
134 04ca23f4 2018-07-16 stsp {
135 04ca23f4 2018-07-16 stsp return (strcmp(repo->path, repo->path_git_dir) == 0);
136 4027f31a 2017-11-04 stsp }
137 4027f31a 2017-11-04 stsp
138 4027f31a 2017-11-04 stsp static char *
139 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
140 4027f31a 2017-11-04 stsp {
141 4027f31a 2017-11-04 stsp char *path_child;
142 3168e5da 2020-09-10 stsp
143 4986b9d5 2018-03-12 stsp if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
144 4027f31a 2017-11-04 stsp basename) == -1)
145 4027f31a 2017-11-04 stsp return NULL;
146 4027f31a 2017-11-04 stsp
147 4027f31a 2017-11-04 stsp return path_child;
148 4027f31a 2017-11-04 stsp }
149 4027f31a 2017-11-04 stsp
150 11995603 2017-11-05 stsp char *
151 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
152 4027f31a 2017-11-04 stsp {
153 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
154 4027f31a 2017-11-04 stsp }
155 4027f31a 2017-11-04 stsp
156 11995603 2017-11-05 stsp char *
157 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
158 a1fd68d8 2018-01-12 stsp {
159 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
160 a1fd68d8 2018-01-12 stsp }
161 a1fd68d8 2018-01-12 stsp
162 a1fd68d8 2018-01-12 stsp char *
163 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
164 4027f31a 2017-11-04 stsp {
165 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
166 4027f31a 2017-11-04 stsp }
167 4027f31a 2017-11-04 stsp
168 fb79db15 2019-02-01 stsp char *
169 fb79db15 2019-02-01 stsp got_repo_get_path_packed_refs(struct got_repository *repo)
170 fb79db15 2019-02-01 stsp {
171 fb79db15 2019-02-01 stsp return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
172 fb79db15 2019-02-01 stsp }
173 fb79db15 2019-02-01 stsp
174 4027f31a 2017-11-04 stsp static char *
175 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
176 4027f31a 2017-11-04 stsp {
177 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
178 1d126e2d 2019-08-24 stsp }
179 1d126e2d 2019-08-24 stsp
180 b46f3e71 2020-03-18 stsp char *
181 b46f3e71 2020-03-18 stsp got_repo_get_path_gitconfig(struct got_repository *repo)
182 1d126e2d 2019-08-24 stsp {
183 b46f3e71 2020-03-18 stsp return get_path_git_child(repo, GOT_GITCONFIG);
184 cd95becd 2019-11-29 stsp }
185 cd95becd 2019-11-29 stsp
186 257add31 2020-09-09 stsp char *
187 257add31 2020-09-09 stsp got_repo_get_path_gotconfig(struct got_repository *repo)
188 257add31 2020-09-09 stsp {
189 50b0790e 2020-09-11 stsp return get_path_git_child(repo, GOT_GOTCONFIG_FILENAME);
190 257add31 2020-09-09 stsp }
191 257add31 2020-09-09 stsp
192 50b0790e 2020-09-11 stsp const struct got_gotconfig *
193 50b0790e 2020-09-11 stsp got_repo_get_gotconfig(struct got_repository *repo)
194 cd95becd 2019-11-29 stsp {
195 50b0790e 2020-09-11 stsp return repo->gotconfig;
196 4027f31a 2017-11-04 stsp }
197 4027f31a 2017-11-04 stsp
198 257add31 2020-09-09 stsp void
199 50b0790e 2020-09-11 stsp got_repo_get_gitconfig_remotes(int *nremotes,
200 50b0790e 2020-09-11 stsp const struct got_remote_repo **remotes, struct got_repository *repo)
201 257add31 2020-09-09 stsp {
202 50b0790e 2020-09-11 stsp *nremotes = repo->ngitconfig_remotes;
203 50b0790e 2020-09-11 stsp *remotes = repo->gitconfig_remotes;
204 257add31 2020-09-09 stsp }
205 257add31 2020-09-09 stsp
206 4027f31a 2017-11-04 stsp static int
207 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
208 4027f31a 2017-11-04 stsp {
209 6e9da951 2019-01-06 stsp const char *path_git = got_repo_get_path_git_dir(repo);
210 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
211 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
212 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
213 deeca238 2018-03-12 stsp int ret = 0;
214 deeca238 2018-03-12 stsp struct stat sb;
215 4847cca1 2018-03-12 stsp struct got_reference *head_ref;
216 4027f31a 2017-11-04 stsp
217 deeca238 2018-03-12 stsp if (lstat(path_git, &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 4027f31a 2017-11-04 stsp
222 deeca238 2018-03-12 stsp if (lstat(path_objects, &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_refs, &sb) == -1)
228 deeca238 2018-03-12 stsp goto done;
229 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
230 deeca238 2018-03-12 stsp goto done;
231 deeca238 2018-03-12 stsp
232 deeca238 2018-03-12 stsp if (lstat(path_head, &sb) == -1)
233 deeca238 2018-03-12 stsp goto done;
234 deeca238 2018-03-12 stsp if (!S_ISREG(sb.st_mode))
235 deeca238 2018-03-12 stsp goto done;
236 4847cca1 2018-03-12 stsp
237 4847cca1 2018-03-12 stsp /* Check if the HEAD reference can be opened. */
238 2f17228e 2019-05-12 stsp if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
239 4847cca1 2018-03-12 stsp goto done;
240 4847cca1 2018-03-12 stsp got_ref_close(head_ref);
241 4847cca1 2018-03-12 stsp
242 deeca238 2018-03-12 stsp ret = 1;
243 deeca238 2018-03-12 stsp done:
244 4027f31a 2017-11-04 stsp free(path_objects);
245 4027f31a 2017-11-04 stsp free(path_refs);
246 4027f31a 2017-11-04 stsp free(path_head);
247 4027f31a 2017-11-04 stsp return ret;
248 4027f31a 2017-11-04 stsp
249 7bb0daa1 2018-06-21 stsp }
250 7bb0daa1 2018-06-21 stsp
251 f6be5c30 2018-06-22 stsp const struct got_error *
252 0ae84acc 2022-06-15 tracey got_repo_pack_fds_open(int **pack_fds)
253 0ae84acc 2022-06-15 tracey {
254 0ae84acc 2022-06-15 tracey const struct got_error *err = NULL;
255 f97edf0c 2022-07-21 florian int i, *pack_fds_tmp;
256 0ae84acc 2022-06-15 tracey
257 f97edf0c 2022-07-21 florian pack_fds_tmp = calloc(GOT_PACK_NUM_TEMPFILES, sizeof(int));
258 f97edf0c 2022-07-21 florian if (pack_fds_tmp == NULL)
259 f97edf0c 2022-07-21 florian return got_error_from_errno("calloc");
260 0ae84acc 2022-06-15 tracey *pack_fds = calloc(GOT_PACK_NUM_TEMPFILES, sizeof(**pack_fds));
261 f97edf0c 2022-07-21 florian if (*pack_fds == NULL) {
262 f97edf0c 2022-07-21 florian free(pack_fds_tmp);
263 0ae84acc 2022-06-15 tracey return got_error_from_errno("calloc");
264 f97edf0c 2022-07-21 florian }
265 0c411343 2022-07-21 stsp
266 0c411343 2022-07-21 stsp /*
267 0c411343 2022-07-21 stsp * got_repo_pack_fds_close will try to close all of the
268 0c411343 2022-07-21 stsp * GOT_PACK_NUM_TEMPFILES fds, even the ones that didn't manage to get
269 0c411343 2022-07-21 stsp * a value from got_opentempfd(), resulting in a close(0).
270 0c411343 2022-07-21 stsp */
271 0c411343 2022-07-21 stsp for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++)
272 0c411343 2022-07-21 stsp pack_fds_tmp[i] = -1;
273 0ae84acc 2022-06-15 tracey
274 0ae84acc 2022-06-15 tracey for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
275 0ae84acc 2022-06-15 tracey pack_fds_tmp[i] = got_opentempfd();
276 0ae84acc 2022-06-15 tracey if (pack_fds_tmp[i] == -1) {
277 bb711527 2022-06-15 stsp err = got_error_from_errno("got_opentempfd");
278 bb711527 2022-06-15 stsp got_repo_pack_fds_close(pack_fds_tmp);
279 bb711527 2022-06-15 stsp return err;
280 0ae84acc 2022-06-15 tracey }
281 0ae84acc 2022-06-15 tracey }
282 f97edf0c 2022-07-21 florian memcpy(*pack_fds, pack_fds_tmp, GOT_PACK_NUM_TEMPFILES * sizeof(int));
283 0ae84acc 2022-06-15 tracey return err;
284 0ae84acc 2022-06-15 tracey }
285 0ae84acc 2022-06-15 tracey
286 0ae84acc 2022-06-15 tracey const struct got_error *
287 0ae84acc 2022-06-15 tracey got_repo_pack_fds_close(int *pack_fds)
288 0ae84acc 2022-06-15 tracey {
289 0ae84acc 2022-06-15 tracey const struct got_error *err = NULL;
290 0ae84acc 2022-06-15 tracey int i;
291 0ae84acc 2022-06-15 tracey
292 0ae84acc 2022-06-15 tracey for (i = 0; i < GOT_PACK_NUM_TEMPFILES; i++) {
293 0ae84acc 2022-06-15 tracey if (pack_fds[i] == -1)
294 0ae84acc 2022-06-15 tracey continue;
295 0ae84acc 2022-06-15 tracey if (close(pack_fds[i]) == -1) {
296 0ae84acc 2022-06-15 tracey err = got_error_from_errno("close");
297 0ae84acc 2022-06-15 tracey break;
298 0ae84acc 2022-06-15 tracey }
299 0ae84acc 2022-06-15 tracey }
300 0ae84acc 2022-06-15 tracey free(pack_fds);
301 0ae84acc 2022-06-15 tracey return err;
302 0ae84acc 2022-06-15 tracey }
303 0ae84acc 2022-06-15 tracey
304 0ae84acc 2022-06-15 tracey const struct got_error *
305 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
306 f6be5c30 2018-06-22 stsp struct got_object *obj)
307 f6be5c30 2018-06-22 stsp {
308 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
309 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
310 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
311 79c99a64 2019-05-23 stsp if (err) {
312 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
313 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
314 79c99a64 2019-05-23 stsp err = NULL;
315 f6be5c30 2018-06-22 stsp return err;
316 79c99a64 2019-05-23 stsp }
317 f6be5c30 2018-06-22 stsp obj->refcnt++;
318 ccfe88e6 2018-07-12 stsp #endif
319 f6be5c30 2018-06-22 stsp return NULL;
320 f6be5c30 2018-06-22 stsp }
321 f6be5c30 2018-06-22 stsp
322 7bb0daa1 2018-06-21 stsp struct got_object *
323 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
324 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
325 7bb0daa1 2018-06-21 stsp {
326 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
327 7bb0daa1 2018-06-21 stsp }
328 7bb0daa1 2018-06-21 stsp
329 4027f31a 2017-11-04 stsp const struct got_error *
330 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
331 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
332 f6be5c30 2018-06-22 stsp {
333 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
334 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
335 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
336 79c99a64 2019-05-23 stsp if (err) {
337 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
338 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
339 79c99a64 2019-05-23 stsp err = NULL;
340 f6be5c30 2018-06-22 stsp return err;
341 79c99a64 2019-05-23 stsp }
342 f6be5c30 2018-06-22 stsp tree->refcnt++;
343 ccfe88e6 2018-07-12 stsp #endif
344 f6be5c30 2018-06-22 stsp return NULL;
345 f6be5c30 2018-06-22 stsp }
346 f6be5c30 2018-06-22 stsp
347 f6be5c30 2018-06-22 stsp struct got_tree_object *
348 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
349 f6be5c30 2018-06-22 stsp struct got_object_id *id)
350 f6be5c30 2018-06-22 stsp {
351 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
352 6bef87be 2018-09-11 stsp &repo->treecache, id);
353 1943de01 2018-06-22 stsp }
354 1943de01 2018-06-22 stsp
355 1943de01 2018-06-22 stsp const struct got_error *
356 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
357 1943de01 2018-06-22 stsp struct got_commit_object *commit)
358 1943de01 2018-06-22 stsp {
359 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
360 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
361 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
362 79c99a64 2019-05-23 stsp if (err) {
363 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
364 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
365 79c99a64 2019-05-23 stsp err = NULL;
366 1943de01 2018-06-22 stsp return err;
367 79c99a64 2019-05-23 stsp }
368 1943de01 2018-06-22 stsp commit->refcnt++;
369 ccfe88e6 2018-07-12 stsp #endif
370 f6be5c30 2018-06-22 stsp return NULL;
371 f6be5c30 2018-06-22 stsp }
372 f6be5c30 2018-06-22 stsp
373 1943de01 2018-06-22 stsp struct got_commit_object *
374 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
375 1943de01 2018-06-22 stsp struct got_object_id *id)
376 1943de01 2018-06-22 stsp {
377 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
378 6bef87be 2018-09-11 stsp &repo->commitcache, id);
379 f4a881ce 2018-11-17 stsp }
380 f4a881ce 2018-11-17 stsp
381 f4a881ce 2018-11-17 stsp const struct got_error *
382 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
383 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
384 f4a881ce 2018-11-17 stsp {
385 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
386 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
387 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
388 79c99a64 2019-05-23 stsp if (err) {
389 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
390 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
391 79c99a64 2019-05-23 stsp err = NULL;
392 f4a881ce 2018-11-17 stsp return err;
393 79c99a64 2019-05-23 stsp }
394 f4a881ce 2018-11-17 stsp tag->refcnt++;
395 f4a881ce 2018-11-17 stsp #endif
396 f4a881ce 2018-11-17 stsp return NULL;
397 f4a881ce 2018-11-17 stsp }
398 f4a881ce 2018-11-17 stsp
399 f4a881ce 2018-11-17 stsp struct got_tag_object *
400 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
401 f4a881ce 2018-11-17 stsp {
402 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
403 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
404 d3c116bf 2021-10-15 stsp }
405 d3c116bf 2021-10-15 stsp
406 d3c116bf 2021-10-15 stsp const struct got_error *
407 d3c116bf 2021-10-15 stsp got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
408 d3c116bf 2021-10-15 stsp struct got_raw_object *raw)
409 d3c116bf 2021-10-15 stsp {
410 d3c116bf 2021-10-15 stsp #ifndef GOT_NO_OBJ_CACHE
411 d3c116bf 2021-10-15 stsp const struct got_error *err = NULL;
412 d3c116bf 2021-10-15 stsp err = got_object_cache_add(&repo->rawcache, id, raw);
413 d3c116bf 2021-10-15 stsp if (err) {
414 d3c116bf 2021-10-15 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
415 d3c116bf 2021-10-15 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
416 d3c116bf 2021-10-15 stsp err = NULL;
417 d3c116bf 2021-10-15 stsp return err;
418 d3c116bf 2021-10-15 stsp }
419 d3c116bf 2021-10-15 stsp raw->refcnt++;
420 d3c116bf 2021-10-15 stsp #endif
421 d3c116bf 2021-10-15 stsp return NULL;
422 1943de01 2018-06-22 stsp }
423 1943de01 2018-06-22 stsp
424 d3c116bf 2021-10-15 stsp
425 d3c116bf 2021-10-15 stsp struct got_raw_object *
426 d3c116bf 2021-10-15 stsp got_repo_get_cached_raw_object(struct got_repository *repo,
427 d3c116bf 2021-10-15 stsp struct got_object_id *id)
428 d3c116bf 2021-10-15 stsp {
429 d3c116bf 2021-10-15 stsp return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
430 d3c116bf 2021-10-15 stsp }
431 d3c116bf 2021-10-15 stsp
432 d3c116bf 2021-10-15 stsp
433 991ff1aa 2021-06-15 tracey static const struct got_error *
434 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
435 4027f31a 2017-11-04 stsp {
436 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
437 85f51bba 2018-07-16 stsp
438 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
439 6d5a9006 2020-12-16 yzhong
440 85f51bba 2018-07-16 stsp /* bare git repository? */
441 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
442 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
443 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
444 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
445 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
446 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
447 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
448 6d5a9006 2020-12-16 yzhong goto done;
449 6d5a9006 2020-12-16 yzhong }
450 8bd0cdad 2021-12-31 stsp repo->gitdir_fd = open(repo->path_git_dir,
451 8bd0cdad 2021-12-31 stsp O_DIRECTORY | O_CLOEXEC);
452 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
453 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
454 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
455 85f51bba 2018-07-16 stsp goto done;
456 85f51bba 2018-07-16 stsp }
457 85f51bba 2018-07-16 stsp return NULL;
458 85f51bba 2018-07-16 stsp }
459 85f51bba 2018-07-16 stsp
460 85f51bba 2018-07-16 stsp /* git repository with working tree? */
461 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
462 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
463 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
464 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
465 85f51bba 2018-07-16 stsp goto done;
466 85f51bba 2018-07-16 stsp }
467 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
468 85f51bba 2018-07-16 stsp repo->path = strdup(path);
469 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
470 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
471 85f51bba 2018-07-16 stsp goto done;
472 85f51bba 2018-07-16 stsp }
473 8bd0cdad 2021-12-31 stsp repo->gitdir_fd = open(repo->path_git_dir,
474 8bd0cdad 2021-12-31 stsp O_DIRECTORY | O_CLOEXEC);
475 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
476 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
477 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
478 6d5a9006 2020-12-16 yzhong goto done;
479 6d5a9006 2020-12-16 yzhong }
480 85f51bba 2018-07-16 stsp return NULL;
481 85f51bba 2018-07-16 stsp }
482 85f51bba 2018-07-16 stsp
483 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
484 ee645855 2019-02-05 stsp done:
485 85f51bba 2018-07-16 stsp if (err) {
486 ee645855 2019-02-05 stsp free(repo->path);
487 ee645855 2019-02-05 stsp repo->path = NULL;
488 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
489 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
490 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
491 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
492 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
493 6d5a9006 2020-12-16 yzhong
494 aba9c984 2019-09-08 stsp }
495 aba9c984 2019-09-08 stsp return err;
496 aba9c984 2019-09-08 stsp }
497 aba9c984 2019-09-08 stsp
498 aba9c984 2019-09-08 stsp static const struct got_error *
499 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
500 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
501 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
502 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
503 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
504 aba9c984 2019-09-08 stsp {
505 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
506 aba9c984 2019-09-08 stsp int fd = -1;
507 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
508 aba9c984 2019-09-08 stsp pid_t pid;
509 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
510 aba9c984 2019-09-08 stsp
511 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
512 20b7abb3 2020-10-22 stsp if (extensions)
513 20b7abb3 2020-10-22 stsp *extensions = NULL;
514 20b7abb3 2020-10-22 stsp if (nextensions)
515 20b7abb3 2020-10-22 stsp *nextensions = 0;
516 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
517 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
518 2fb669fb 2020-03-20 stsp if (remotes)
519 2fb669fb 2020-03-20 stsp *remotes = NULL;
520 2fb669fb 2020-03-20 stsp if (nremotes)
521 2fb669fb 2020-03-20 stsp *nremotes = 0;
522 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
523 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
524 aba9c984 2019-09-08 stsp
525 8bd0cdad 2021-12-31 stsp fd = open(gitconfig_path, O_RDONLY | O_CLOEXEC);
526 aba9c984 2019-09-08 stsp if (fd == -1) {
527 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
528 aba9c984 2019-09-08 stsp return NULL;
529 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
530 aba9c984 2019-09-08 stsp }
531 aba9c984 2019-09-08 stsp
532 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
533 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
534 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
535 aba9c984 2019-09-08 stsp goto done;
536 aba9c984 2019-09-08 stsp }
537 aba9c984 2019-09-08 stsp
538 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
539 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
540 aba9c984 2019-09-08 stsp goto done;
541 aba9c984 2019-09-08 stsp }
542 aba9c984 2019-09-08 stsp
543 aba9c984 2019-09-08 stsp pid = fork();
544 aba9c984 2019-09-08 stsp if (pid == -1) {
545 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
546 aba9c984 2019-09-08 stsp goto done;
547 aba9c984 2019-09-08 stsp } else if (pid == 0) {
548 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
549 c9956ddf 2019-09-08 stsp gitconfig_path);
550 aba9c984 2019-09-08 stsp /* not reached */
551 aba9c984 2019-09-08 stsp }
552 aba9c984 2019-09-08 stsp
553 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
554 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
555 aba9c984 2019-09-08 stsp goto done;
556 85f51bba 2018-07-16 stsp }
557 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
558 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
559 aba9c984 2019-09-08 stsp
560 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
561 aba9c984 2019-09-08 stsp if (err)
562 aba9c984 2019-09-08 stsp goto done;
563 aba9c984 2019-09-08 stsp fd = -1;
564 aba9c984 2019-09-08 stsp
565 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
566 aba9c984 2019-09-08 stsp if (err)
567 aba9c984 2019-09-08 stsp goto done;
568 aba9c984 2019-09-08 stsp
569 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
570 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
571 aba9c984 2019-09-08 stsp if (err)
572 aba9c984 2019-09-08 stsp goto done;
573 aba9c984 2019-09-08 stsp
574 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
575 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
576 20b7abb3 2020-10-22 stsp ibuf);
577 20b7abb3 2020-10-22 stsp if (err)
578 20b7abb3 2020-10-22 stsp goto done;
579 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
580 20b7abb3 2020-10-22 stsp if (err)
581 20b7abb3 2020-10-22 stsp goto done;
582 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
583 20b7abb3 2020-10-22 stsp int i;
584 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
585 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
586 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
587 20b7abb3 2020-10-22 stsp goto done;
588 20b7abb3 2020-10-22 stsp }
589 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
590 20b7abb3 2020-10-22 stsp char *ext;
591 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
592 20b7abb3 2020-10-22 stsp ibuf);
593 20b7abb3 2020-10-22 stsp if (err)
594 20b7abb3 2020-10-22 stsp goto done;
595 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
596 20b7abb3 2020-10-22 stsp }
597 20b7abb3 2020-10-22 stsp }
598 20b7abb3 2020-10-22 stsp }
599 20b7abb3 2020-10-22 stsp
600 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
601 aba9c984 2019-09-08 stsp if (err)
602 aba9c984 2019-09-08 stsp goto done;
603 aba9c984 2019-09-08 stsp
604 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
605 aba9c984 2019-09-08 stsp if (err)
606 aba9c984 2019-09-08 stsp goto done;
607 aba9c984 2019-09-08 stsp
608 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
609 aba9c984 2019-09-08 stsp if (err)
610 aba9c984 2019-09-08 stsp goto done;
611 aba9c984 2019-09-08 stsp
612 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
613 aba9c984 2019-09-08 stsp if (err)
614 aba9c984 2019-09-08 stsp goto done;
615 cd95becd 2019-11-29 stsp
616 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
617 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
618 cd95becd 2019-11-29 stsp if (err)
619 cd95becd 2019-11-29 stsp goto done;
620 cd95becd 2019-11-29 stsp
621 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
622 cd95becd 2019-11-29 stsp nremotes, ibuf);
623 9a1cc63f 2020-02-03 stsp if (err)
624 9a1cc63f 2020-02-03 stsp goto done;
625 9a1cc63f 2020-02-03 stsp }
626 9a1cc63f 2020-02-03 stsp
627 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
628 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
629 cd95becd 2019-11-29 stsp if (err)
630 cd95becd 2019-11-29 stsp goto done;
631 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
632 9a1cc63f 2020-02-03 stsp if (err)
633 9a1cc63f 2020-02-03 stsp goto done;
634 cd95becd 2019-11-29 stsp }
635 aba9c984 2019-09-08 stsp
636 aba9c984 2019-09-08 stsp err = got_privsep_send_stop(imsg_fds[0]);
637 aba9c984 2019-09-08 stsp child_err = got_privsep_wait_for_child(pid);
638 aba9c984 2019-09-08 stsp if (child_err && err == NULL)
639 aba9c984 2019-09-08 stsp err = child_err;
640 aba9c984 2019-09-08 stsp done:
641 aba9c984 2019-09-08 stsp if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
642 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
643 aba9c984 2019-09-08 stsp if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
644 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
645 aba9c984 2019-09-08 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
646 aba9c984 2019-09-08 stsp err = got_error_from_errno2("close", gitconfig_path);
647 aba9c984 2019-09-08 stsp free(ibuf);
648 c9956ddf 2019-09-08 stsp return err;
649 c9956ddf 2019-09-08 stsp }
650 c9956ddf 2019-09-08 stsp
651 c9956ddf 2019-09-08 stsp static const struct got_error *
652 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
653 c9956ddf 2019-09-08 stsp {
654 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
655 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
656 c9956ddf 2019-09-08 stsp
657 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
658 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
659 c9956ddf 2019-09-08 stsp int dummy_repo_version;
660 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&dummy_repo_version,
661 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
662 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
663 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
664 c9956ddf 2019-09-08 stsp if (err)
665 c9956ddf 2019-09-08 stsp return err;
666 c9956ddf 2019-09-08 stsp }
667 c9956ddf 2019-09-08 stsp
668 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
669 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
670 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
671 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
672 c9956ddf 2019-09-08 stsp
673 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&repo->gitconfig_repository_format_version,
674 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
675 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
676 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
677 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
678 c9956ddf 2019-09-08 stsp if (err)
679 c9956ddf 2019-09-08 stsp goto done;
680 c9956ddf 2019-09-08 stsp done:
681 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
682 257add31 2020-09-09 stsp return err;
683 257add31 2020-09-09 stsp }
684 257add31 2020-09-09 stsp
685 257add31 2020-09-09 stsp static const struct got_error *
686 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
687 257add31 2020-09-09 stsp {
688 257add31 2020-09-09 stsp const struct got_error *err = NULL;
689 257add31 2020-09-09 stsp char *gotconfig_path;
690 257add31 2020-09-09 stsp
691 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
692 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
693 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
694 257add31 2020-09-09 stsp
695 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
696 257add31 2020-09-09 stsp free(gotconfig_path);
697 85f51bba 2018-07-16 stsp return err;
698 85f51bba 2018-07-16 stsp }
699 85f51bba 2018-07-16 stsp
700 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
701 f134ecfd 2022-03-19 naddy static const char *const repo_extensions[] = {
702 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
703 2252c019 2021-07-03 stsp "preciousObjects", /* Supported by gotadmin cleanup. */
704 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
705 20b7abb3 2020-10-22 stsp };
706 20b7abb3 2020-10-22 stsp
707 85f51bba 2018-07-16 stsp const struct got_error *
708 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
709 0ae84acc 2022-06-15 tracey const char *global_gitconfig_path, int *pack_fds)
710 85f51bba 2018-07-16 stsp {
711 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
712 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
713 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
714 0ae84acc 2022-06-15 tracey size_t i, j = 0;
715 6c414261 2021-03-30 stsp struct rlimit rl;
716 4027f31a 2017-11-04 stsp
717 85f51bba 2018-07-16 stsp *repop = NULL;
718 6c414261 2021-03-30 stsp
719 6c414261 2021-03-30 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
720 6c414261 2021-03-30 stsp return got_error_from_errno("getrlimit");
721 4027f31a 2017-11-04 stsp
722 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
723 c560c1f5 2022-03-14 op if (repo == NULL)
724 c560c1f5 2022-03-14 op return got_error_from_errno("calloc");
725 b343c297 2021-10-11 stsp
726 f8b19efd 2021-10-13 stsp RB_INIT(&repo->packidx_bloom_filters);
727 9b576444 2022-03-14 stsp TAILQ_INIT(&repo->packidx_paths);
728 4027f31a 2017-11-04 stsp
729 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
730 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
731 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
732 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
733 ad242220 2018-09-08 stsp }
734 ad242220 2018-09-08 stsp
735 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
736 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
737 6bef87be 2018-09-11 stsp if (err)
738 f6be5c30 2018-06-22 stsp goto done;
739 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
740 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
741 6bef87be 2018-09-11 stsp if (err)
742 1943de01 2018-06-22 stsp goto done;
743 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
744 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
745 6bef87be 2018-09-11 stsp if (err)
746 eb77ee11 2018-07-08 stsp goto done;
747 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
748 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
749 f4a881ce 2018-11-17 stsp if (err)
750 f4a881ce 2018-11-17 stsp goto done;
751 d3c116bf 2021-10-15 stsp err = got_object_cache_init(&repo->rawcache,
752 d3c116bf 2021-10-15 stsp GOT_OBJECT_CACHE_TYPE_RAW);
753 d3c116bf 2021-10-15 stsp if (err)
754 d3c116bf 2021-10-15 stsp goto done;
755 1943de01 2018-06-22 stsp
756 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
757 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
758 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
759 57160834 2022-05-31 stsp for (i = 0; i < nitems(repo->packs); i++) {
760 57160834 2022-05-31 stsp if (i < repo->pack_cache_size) {
761 0ae84acc 2022-06-15 tracey repo->packs[i].basefd = pack_fds[j++];
762 0ae84acc 2022-06-15 tracey repo->packs[i].accumfd = pack_fds[j++];
763 57160834 2022-05-31 stsp } else {
764 57160834 2022-05-31 stsp repo->packs[i].basefd = -1;
765 57160834 2022-05-31 stsp repo->packs[i].accumfd = -1;
766 57160834 2022-05-31 stsp }
767 57160834 2022-05-31 stsp }
768 61af9b21 2022-06-28 stsp repo->pinned_pack = -1;
769 61af9b21 2022-06-28 stsp repo->pinned_packidx = -1;
770 61af9b21 2022-06-28 stsp repo->pinned_pid = 0;
771 6c414261 2021-03-30 stsp
772 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
773 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
774 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
775 92af5469 2017-11-05 stsp goto done;
776 92af5469 2017-11-05 stsp }
777 4027f31a 2017-11-04 stsp
778 aff6eea4 2020-10-20 stsp for (;;) {
779 aff6eea4 2020-10-20 stsp char *parent_path;
780 aff6eea4 2020-10-20 stsp
781 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
782 85f51bba 2018-07-16 stsp if (err == NULL)
783 85f51bba 2018-07-16 stsp break;
784 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
785 9aceaadf 2020-10-20 stsp goto done;
786 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
787 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
788 0c93d204 2020-10-20 stsp goto done;
789 442a3ddc 2018-04-23 stsp }
790 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
791 aff6eea4 2020-10-20 stsp if (err)
792 f2db9c47 2019-08-24 stsp goto done;
793 aff6eea4 2020-10-20 stsp free(repo_path);
794 aff6eea4 2020-10-20 stsp repo_path = parent_path;
795 aff6eea4 2020-10-20 stsp }
796 1d126e2d 2019-08-24 stsp
797 257add31 2020-09-09 stsp err = read_gotconfig(repo);
798 257add31 2020-09-09 stsp if (err)
799 257add31 2020-09-09 stsp goto done;
800 257add31 2020-09-09 stsp
801 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
802 1d126e2d 2019-08-24 stsp if (err)
803 1d126e2d 2019-08-24 stsp goto done;
804 b5d22c38 2022-07-21 florian if (repo->gitconfig_repository_format_version != 0) {
805 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
806 b5d22c38 2022-07-21 florian goto done;
807 b5d22c38 2022-07-21 florian }
808 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
809 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
810 20b7abb3 2020-10-22 stsp int j, supported = 0;
811 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
812 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
813 20b7abb3 2020-10-22 stsp supported = 1;
814 20b7abb3 2020-10-22 stsp break;
815 20b7abb3 2020-10-22 stsp }
816 20b7abb3 2020-10-22 stsp }
817 20b7abb3 2020-10-22 stsp if (!supported) {
818 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
819 20b7abb3 2020-10-22 stsp goto done;
820 20b7abb3 2020-10-22 stsp }
821 20b7abb3 2020-10-22 stsp }
822 9b576444 2022-03-14 stsp
823 9b576444 2022-03-14 stsp err = got_repo_list_packidx(&repo->packidx_paths, repo);
824 92af5469 2017-11-05 stsp done:
825 92af5469 2017-11-05 stsp if (err)
826 5c2f5761 2018-09-19 stsp got_repo_close(repo);
827 85f51bba 2018-07-16 stsp else
828 85f51bba 2018-07-16 stsp *repop = repo;
829 aff6eea4 2020-10-20 stsp free(repo_path);
830 92af5469 2017-11-05 stsp return err;
831 4027f31a 2017-11-04 stsp }
832 4027f31a 2017-11-04 stsp
833 ad242220 2018-09-08 stsp const struct got_error *
834 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
835 4027f31a 2017-11-04 stsp {
836 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
837 f8b19efd 2021-10-13 stsp struct got_packidx_bloom_filter *bf;
838 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
839 16aeacf7 2020-11-26 stsp size_t i;
840 79b11c62 2018-03-09 stsp
841 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
842 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
843 79b11c62 2018-03-09 stsp break;
844 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
845 b343c297 2021-10-11 stsp }
846 b343c297 2021-10-11 stsp
847 f8b19efd 2021-10-13 stsp while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
848 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters))) {
849 f8b19efd 2021-10-13 stsp RB_REMOVE(got_packidx_bloom_filter_tree,
850 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, bf);
851 b343c297 2021-10-11 stsp free(bf->bloom);
852 b343c297 2021-10-11 stsp free(bf);
853 79b11c62 2018-03-09 stsp }
854 bd1223b9 2018-03-14 stsp
855 0ae84acc 2022-06-15 tracey for (i = 0; i < repo->pack_cache_size; i++)
856 13242195 2022-05-31 stsp if (repo->packs[i].path_packfile)
857 0ae84acc 2022-06-15 tracey if (repo->packs[i].path_packfile)
858 0ae84acc 2022-06-15 tracey got_pack_close(&repo->packs[i]);
859 7e656b93 2018-03-17 stsp
860 4027f31a 2017-11-04 stsp free(repo->path);
861 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
862 cd717821 2018-06-22 stsp
863 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
864 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
865 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
866 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
867 d3c116bf 2021-10-15 stsp got_object_cache_close(&repo->rawcache);
868 ad242220 2018-09-08 stsp
869 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
870 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
871 ad242220 2018-09-08 stsp continue;
872 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
873 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
874 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
875 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
876 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
877 ad242220 2018-09-08 stsp if (child_err && err == NULL)
878 ad242220 2018-09-08 stsp err = child_err;
879 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
880 3a6ce05a 2019-02-11 stsp err == NULL)
881 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
882 ad242220 2018-09-08 stsp }
883 aba9c984 2019-09-08 stsp
884 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
885 1d0f4054 2021-06-17 stsp err == NULL)
886 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
887 991ff1aa 2021-06-15 tracey
888 50b0790e 2020-09-11 stsp if (repo->gotconfig)
889 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
890 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
891 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
892 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
893 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
894 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
895 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
896 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
897 20b7abb3 2020-10-22 stsp free(repo->extensions);
898 9b576444 2022-03-14 stsp
899 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry)
900 9b576444 2022-03-14 stsp free((void *)pe->path);
901 9b576444 2022-03-14 stsp got_pathlist_free(&repo->packidx_paths);
902 4027f31a 2017-11-04 stsp free(repo);
903 ad242220 2018-09-08 stsp
904 ad242220 2018-09-08 stsp return err;
905 b8adfa55 2020-09-25 stsp }
906 b8adfa55 2020-09-25 stsp
907 b8adfa55 2020-09-25 stsp void
908 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
909 b8adfa55 2020-09-25 stsp {
910 b8adfa55 2020-09-25 stsp int i;
911 b8adfa55 2020-09-25 stsp
912 b8adfa55 2020-09-25 stsp free(repo->name);
913 b8adfa55 2020-09-25 stsp repo->name = NULL;
914 6480c871 2021-08-30 stsp free(repo->fetch_url);
915 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
916 6480c871 2021-08-30 stsp free(repo->send_url);
917 6480c871 2021-08-30 stsp repo->send_url = NULL;
918 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
919 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
920 6480c871 2021-08-30 stsp free(repo->fetch_branches);
921 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
922 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
923 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
924 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
925 6480c871 2021-08-30 stsp free(repo->send_branches);
926 6480c871 2021-08-30 stsp repo->send_branches = NULL;
927 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
928 4027f31a 2017-11-04 stsp }
929 04ca23f4 2018-07-16 stsp
930 04ca23f4 2018-07-16 stsp const struct got_error *
931 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
932 8fa913ec 2020-11-14 stsp const char *input_path)
933 04ca23f4 2018-07-16 stsp {
934 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
935 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
936 e83c0634 2020-01-27 stsp size_t repolen, len;
937 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
938 04ca23f4 2018-07-16 stsp
939 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
940 04ca23f4 2018-07-16 stsp
941 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
942 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
943 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
944 04ca23f4 2018-07-16 stsp goto done;
945 04ca23f4 2018-07-16 stsp }
946 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
947 04ca23f4 2018-07-16 stsp if (err)
948 04ca23f4 2018-07-16 stsp goto done;
949 04ca23f4 2018-07-16 stsp
950 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
951 04ca23f4 2018-07-16 stsp
952 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
953 23721109 2018-10-22 stsp path = strdup(canonpath);
954 b70703ad 2019-03-18 stsp if (path == NULL) {
955 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
956 04ca23f4 2018-07-16 stsp goto done;
957 04ca23f4 2018-07-16 stsp }
958 04ca23f4 2018-07-16 stsp } else {
959 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
960 04ca23f4 2018-07-16 stsp if (path == NULL) {
961 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
962 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
963 230a42bd 2019-05-11 jcs canonpath);
964 b70703ad 2019-03-18 stsp goto done;
965 b70703ad 2019-03-18 stsp }
966 b70703ad 2019-03-18 stsp /*
967 b70703ad 2019-03-18 stsp * Path is not on disk.
968 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
969 b70703ad 2019-03-18 stsp */
970 b70703ad 2019-03-18 stsp path = strdup(canonpath);
971 b70703ad 2019-03-18 stsp if (path == NULL) {
972 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
973 b70703ad 2019-03-18 stsp goto done;
974 b70703ad 2019-03-18 stsp }
975 04ca23f4 2018-07-16 stsp }
976 04ca23f4 2018-07-16 stsp
977 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
978 04ca23f4 2018-07-16 stsp len = strlen(path);
979 04ca23f4 2018-07-16 stsp
980 04ca23f4 2018-07-16 stsp
981 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
982 04ca23f4 2018-07-16 stsp free(path);
983 04ca23f4 2018-07-16 stsp path = strdup("");
984 04ca23f4 2018-07-16 stsp if (path == NULL) {
985 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
986 04ca23f4 2018-07-16 stsp goto done;
987 04ca23f4 2018-07-16 stsp }
988 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
989 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
990 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
991 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
992 04ca23f4 2018-07-16 stsp /*
993 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
994 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
995 04ca23f4 2018-07-16 stsp */
996 abc59930 2021-09-05 naddy free(path);
997 abc59930 2021-09-05 naddy path = canonpath;
998 abc59930 2021-09-05 naddy canonpath = NULL;
999 04ca23f4 2018-07-16 stsp } else {
1000 04ca23f4 2018-07-16 stsp char *child;
1001 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
1002 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
1003 04ca23f4 2018-07-16 stsp repo_abspath, path);
1004 04ca23f4 2018-07-16 stsp if (err)
1005 04ca23f4 2018-07-16 stsp goto done;
1006 04ca23f4 2018-07-16 stsp free(path);
1007 04ca23f4 2018-07-16 stsp path = child;
1008 04ca23f4 2018-07-16 stsp }
1009 04ca23f4 2018-07-16 stsp } else {
1010 04ca23f4 2018-07-16 stsp /*
1011 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
1012 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
1013 04ca23f4 2018-07-16 stsp */
1014 abc59930 2021-09-05 naddy free(path);
1015 abc59930 2021-09-05 naddy path = canonpath;
1016 abc59930 2021-09-05 naddy canonpath = NULL;
1017 04ca23f4 2018-07-16 stsp }
1018 04ca23f4 2018-07-16 stsp }
1019 04ca23f4 2018-07-16 stsp
1020 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
1021 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
1022 04ca23f4 2018-07-16 stsp char *abspath;
1023 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
1024 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1025 04ca23f4 2018-07-16 stsp goto done;
1026 04ca23f4 2018-07-16 stsp }
1027 04ca23f4 2018-07-16 stsp free(path);
1028 04ca23f4 2018-07-16 stsp path = abspath;
1029 04ca23f4 2018-07-16 stsp }
1030 04ca23f4 2018-07-16 stsp
1031 04ca23f4 2018-07-16 stsp done:
1032 04ca23f4 2018-07-16 stsp free(canonpath);
1033 04ca23f4 2018-07-16 stsp if (err)
1034 04ca23f4 2018-07-16 stsp free(path);
1035 04ca23f4 2018-07-16 stsp else
1036 04ca23f4 2018-07-16 stsp *in_repo_path = path;
1037 1510f469 2018-09-09 stsp return err;
1038 1510f469 2018-09-09 stsp }
1039 1510f469 2018-09-09 stsp
1040 e1a68182 2020-01-07 stsp static const struct got_error *
1041 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
1042 e1a68182 2020-01-07 stsp const char *path_packidx)
1043 1510f469 2018-09-09 stsp {
1044 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1045 16aeacf7 2020-11-26 stsp size_t i;
1046 1510f469 2018-09-09 stsp
1047 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1048 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1049 1510f469 2018-09-09 stsp break;
1050 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1051 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1052 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1053 e1a68182 2020-01-07 stsp }
1054 1510f469 2018-09-09 stsp }
1055 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1056 61af9b21 2022-06-28 stsp do {
1057 61af9b21 2022-06-28 stsp i--;
1058 61af9b21 2022-06-28 stsp } while (i > 0 && repo->pinned_packidx >= 0 &&
1059 61af9b21 2022-06-28 stsp i == repo->pinned_packidx);
1060 7a0b1068 2021-10-11 stsp err = got_packidx_close(repo->packidx_cache[i]);
1061 1510f469 2018-09-09 stsp if (err)
1062 1510f469 2018-09-09 stsp return err;
1063 1510f469 2018-09-09 stsp }
1064 1510f469 2018-09-09 stsp
1065 7a0b1068 2021-10-11 stsp repo->packidx_cache[i] = packidx;
1066 15fe583f 2018-11-05 stsp
1067 1510f469 2018-09-09 stsp return NULL;
1068 1510f469 2018-09-09 stsp }
1069 1510f469 2018-09-09 stsp
1070 1124fe40 2021-07-07 stsp int
1071 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
1072 1510f469 2018-09-09 stsp {
1073 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
1074 1510f469 2018-09-09 stsp return 0;
1075 1510f469 2018-09-09 stsp
1076 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
1077 1510f469 2018-09-09 stsp return 0;
1078 1510f469 2018-09-09 stsp
1079 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
1080 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
1081 1510f469 2018-09-09 stsp return 0;
1082 b343c297 2021-10-11 stsp
1083 b343c297 2021-10-11 stsp return 1;
1084 b343c297 2021-10-11 stsp }
1085 b343c297 2021-10-11 stsp
1086 f8b19efd 2021-10-13 stsp static struct got_packidx_bloom_filter *
1087 f8b19efd 2021-10-13 stsp get_packidx_bloom_filter(struct got_repository *repo,
1088 f8b19efd 2021-10-13 stsp const char *path, size_t path_len)
1089 f8b19efd 2021-10-13 stsp {
1090 f8b19efd 2021-10-13 stsp struct got_packidx_bloom_filter key;
1091 f8b19efd 2021-10-13 stsp
1092 f8b19efd 2021-10-13 stsp if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
1093 f8b19efd 2021-10-13 stsp return NULL; /* XXX */
1094 f8b19efd 2021-10-13 stsp key.path_len = path_len;
1095 f8b19efd 2021-10-13 stsp
1096 f8b19efd 2021-10-13 stsp return RB_FIND(got_packidx_bloom_filter_tree,
1097 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, &key);
1098 f8b19efd 2021-10-13 stsp }
1099 f8b19efd 2021-10-13 stsp
1100 67fd6849 2022-02-13 stsp int
1101 67fd6849 2022-02-13 stsp got_repo_check_packidx_bloom_filter(struct got_repository *repo,
1102 b343c297 2021-10-11 stsp const char *path_packidx, struct got_object_id *id)
1103 b343c297 2021-10-11 stsp {
1104 b343c297 2021-10-11 stsp struct got_packidx_bloom_filter *bf;
1105 b343c297 2021-10-11 stsp
1106 f8b19efd 2021-10-13 stsp bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
1107 f8b19efd 2021-10-13 stsp if (bf)
1108 f8b19efd 2021-10-13 stsp return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
1109 1510f469 2018-09-09 stsp
1110 b343c297 2021-10-11 stsp /* No bloom filter means this pack index must be searched. */
1111 1510f469 2018-09-09 stsp return 1;
1112 b343c297 2021-10-11 stsp }
1113 b343c297 2021-10-11 stsp
1114 b343c297 2021-10-11 stsp static const struct got_error *
1115 b343c297 2021-10-11 stsp add_packidx_bloom_filter(struct got_repository *repo,
1116 b343c297 2021-10-11 stsp struct got_packidx *packidx, const char *path_packidx)
1117 b343c297 2021-10-11 stsp {
1118 b343c297 2021-10-11 stsp int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1119 b343c297 2021-10-11 stsp struct got_packidx_bloom_filter *bf;
1120 b343c297 2021-10-11 stsp size_t len;
1121 b343c297 2021-10-11 stsp
1122 b343c297 2021-10-11 stsp /*
1123 b343c297 2021-10-11 stsp * Don't use bloom filters for very large pack index files.
1124 b343c297 2021-10-11 stsp * Large pack files will contain a relatively large fraction
1125 b343c297 2021-10-11 stsp * of our objects so we will likely need to visit them anyway.
1126 b343c297 2021-10-11 stsp * The more objects a pack file contains the higher the probability
1127 b343c297 2021-10-11 stsp * of a false-positive match from the bloom filter. And reading
1128 b343c297 2021-10-11 stsp * all object IDs from a large pack index file can be expensive.
1129 b343c297 2021-10-11 stsp */
1130 b343c297 2021-10-11 stsp if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1131 b343c297 2021-10-11 stsp return NULL;
1132 b343c297 2021-10-11 stsp
1133 b343c297 2021-10-11 stsp /* Do we already have a filter for this pack index? */
1134 f8b19efd 2021-10-13 stsp if (get_packidx_bloom_filter(repo, path_packidx,
1135 f8b19efd 2021-10-13 stsp strlen(path_packidx)) != NULL)
1136 f8b19efd 2021-10-13 stsp return NULL;
1137 b343c297 2021-10-11 stsp
1138 b343c297 2021-10-11 stsp bf = calloc(1, sizeof(*bf));
1139 b343c297 2021-10-11 stsp if (bf == NULL)
1140 b343c297 2021-10-11 stsp return got_error_from_errno("calloc");
1141 b343c297 2021-10-11 stsp bf->bloom = calloc(1, sizeof(*bf->bloom));
1142 b343c297 2021-10-11 stsp if (bf->bloom == NULL) {
1143 b343c297 2021-10-11 stsp free(bf);
1144 b343c297 2021-10-11 stsp return got_error_from_errno("calloc");
1145 b343c297 2021-10-11 stsp }
1146 b343c297 2021-10-11 stsp
1147 f8b19efd 2021-10-13 stsp len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1148 f8b19efd 2021-10-13 stsp if (len >= sizeof(bf->path)) {
1149 b343c297 2021-10-11 stsp free(bf->bloom);
1150 b343c297 2021-10-11 stsp free(bf);
1151 b343c297 2021-10-11 stsp return got_error(GOT_ERR_NO_SPACE);
1152 b343c297 2021-10-11 stsp }
1153 f8b19efd 2021-10-13 stsp bf->path_len = len;
1154 b343c297 2021-10-11 stsp
1155 b343c297 2021-10-11 stsp /* Minimum size supported by our bloom filter is 1000 entries. */
1156 b343c297 2021-10-11 stsp bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1157 b343c297 2021-10-11 stsp for (i = 0; i < nobjects; i++) {
1158 b343c297 2021-10-11 stsp struct got_packidx_object_id *id;
1159 b343c297 2021-10-11 stsp id = &packidx->hdr.sorted_ids[i];
1160 b343c297 2021-10-11 stsp bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1161 b343c297 2021-10-11 stsp }
1162 b343c297 2021-10-11 stsp
1163 f8b19efd 2021-10-13 stsp RB_INSERT(got_packidx_bloom_filter_tree,
1164 f8b19efd 2021-10-13 stsp &repo->packidx_bloom_filters, bf);
1165 b343c297 2021-10-11 stsp return NULL;
1166 1510f469 2018-09-09 stsp }
1167 1510f469 2018-09-09 stsp
1168 1510f469 2018-09-09 stsp const struct got_error *
1169 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1170 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
1171 1510f469 2018-09-09 stsp {
1172 1510f469 2018-09-09 stsp const struct got_error *err;
1173 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
1174 16aeacf7 2020-11-26 stsp size_t i;
1175 1510f469 2018-09-09 stsp
1176 1510f469 2018-09-09 stsp /* Search pack index cache. */
1177 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1178 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
1179 1510f469 2018-09-09 stsp break;
1180 67fd6849 2022-02-13 stsp if (!got_repo_check_packidx_bloom_filter(repo,
1181 b343c297 2021-10-11 stsp repo->packidx_cache[i]->path_packidx, id))
1182 b343c297 2021-10-11 stsp continue; /* object will not be found in this index */
1183 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1184 1510f469 2018-09-09 stsp if (*idx != -1) {
1185 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
1186 87c1ed2b 2020-01-07 stsp /*
1187 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
1188 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
1189 87c1ed2b 2020-01-07 stsp */
1190 87c1ed2b 2020-01-07 stsp if (i > 0) {
1191 7a0b1068 2021-10-11 stsp memmove(&repo->packidx_cache[1],
1192 7a0b1068 2021-10-11 stsp &repo->packidx_cache[0],
1193 7a0b1068 2021-10-11 stsp i * sizeof(repo->packidx_cache[0]));
1194 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
1195 61af9b21 2022-06-28 stsp if (repo->pinned_packidx >= 0 &&
1196 61af9b21 2022-06-28 stsp repo->pinned_packidx < i)
1197 61af9b21 2022-06-28 stsp repo->pinned_packidx++;
1198 61af9b21 2022-06-28 stsp else if (repo->pinned_packidx == i)
1199 61af9b21 2022-06-28 stsp repo->pinned_packidx = 0;
1200 87c1ed2b 2020-01-07 stsp }
1201 1510f469 2018-09-09 stsp return NULL;
1202 1510f469 2018-09-09 stsp }
1203 1510f469 2018-09-09 stsp }
1204 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
1205 1510f469 2018-09-09 stsp
1206 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1207 9b576444 2022-03-14 stsp const char *path_packidx = pe->path;
1208 e1a68182 2020-01-07 stsp int is_cached = 0;
1209 e1a68182 2020-01-07 stsp
1210 67fd6849 2022-02-13 stsp if (!got_repo_check_packidx_bloom_filter(repo,
1211 9b576444 2022-03-14 stsp pe->path, id))
1212 b343c297 2021-10-11 stsp continue; /* object will not be found in this index */
1213 b343c297 2021-10-11 stsp
1214 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1215 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1216 e1a68182 2020-01-07 stsp break;
1217 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1218 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1219 e1a68182 2020-01-07 stsp is_cached = 1;
1220 e1a68182 2020-01-07 stsp break;
1221 e1a68182 2020-01-07 stsp }
1222 1510f469 2018-09-09 stsp }
1223 9b576444 2022-03-14 stsp if (is_cached)
1224 e1a68182 2020-01-07 stsp continue; /* already searched */
1225 1510f469 2018-09-09 stsp
1226 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1227 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1228 9b576444 2022-03-14 stsp if (err)
1229 e1a68182 2020-01-07 stsp goto done;
1230 e1a68182 2020-01-07 stsp
1231 b343c297 2021-10-11 stsp err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1232 9b576444 2022-03-14 stsp if (err)
1233 b343c297 2021-10-11 stsp goto done;
1234 b343c297 2021-10-11 stsp
1235 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1236 1510f469 2018-09-09 stsp if (err)
1237 1510f469 2018-09-09 stsp goto done;
1238 1510f469 2018-09-09 stsp
1239 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1240 1510f469 2018-09-09 stsp if (*idx != -1) {
1241 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1242 1510f469 2018-09-09 stsp goto done;
1243 1510f469 2018-09-09 stsp }
1244 1510f469 2018-09-09 stsp }
1245 1510f469 2018-09-09 stsp
1246 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1247 1510f469 2018-09-09 stsp done:
1248 04ca23f4 2018-07-16 stsp return err;
1249 04ca23f4 2018-07-16 stsp }
1250 1510f469 2018-09-09 stsp
1251 67fd6849 2022-02-13 stsp const struct got_error *
1252 67fd6849 2022-02-13 stsp got_repo_list_packidx(struct got_pathlist_head *packidx_paths,
1253 67fd6849 2022-02-13 stsp struct got_repository *repo)
1254 67fd6849 2022-02-13 stsp {
1255 67fd6849 2022-02-13 stsp const struct got_error *err = NULL;
1256 67fd6849 2022-02-13 stsp DIR *packdir = NULL;
1257 67fd6849 2022-02-13 stsp struct dirent *dent;
1258 67fd6849 2022-02-13 stsp char *path_packidx = NULL;
1259 67fd6849 2022-02-13 stsp int packdir_fd;
1260 67fd6849 2022-02-13 stsp
1261 67fd6849 2022-02-13 stsp packdir_fd = openat(got_repo_get_fd(repo),
1262 67fd6849 2022-02-13 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1263 67fd6849 2022-02-13 stsp if (packdir_fd == -1) {
1264 67fd6849 2022-02-13 stsp return got_error_from_errno_fmt("openat: %s/%s",
1265 67fd6849 2022-02-13 stsp got_repo_get_path_git_dir(repo),
1266 67fd6849 2022-02-13 stsp GOT_OBJECTS_PACK_DIR);
1267 67fd6849 2022-02-13 stsp }
1268 67fd6849 2022-02-13 stsp
1269 67fd6849 2022-02-13 stsp packdir = fdopendir(packdir_fd);
1270 67fd6849 2022-02-13 stsp if (packdir == NULL) {
1271 67fd6849 2022-02-13 stsp err = got_error_from_errno("fdopendir");
1272 67fd6849 2022-02-13 stsp goto done;
1273 67fd6849 2022-02-13 stsp }
1274 67fd6849 2022-02-13 stsp
1275 67fd6849 2022-02-13 stsp while ((dent = readdir(packdir)) != NULL) {
1276 67fd6849 2022-02-13 stsp if (!got_repo_is_packidx_filename(dent->d_name, dent->d_namlen))
1277 67fd6849 2022-02-13 stsp continue;
1278 67fd6849 2022-02-13 stsp
1279 67fd6849 2022-02-13 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1280 67fd6849 2022-02-13 stsp dent->d_name) == -1) {
1281 67fd6849 2022-02-13 stsp err = got_error_from_errno("asprintf");
1282 67fd6849 2022-02-13 stsp path_packidx = NULL;
1283 67fd6849 2022-02-13 stsp break;
1284 67fd6849 2022-02-13 stsp }
1285 67fd6849 2022-02-13 stsp
1286 67fd6849 2022-02-13 stsp err = got_pathlist_append(packidx_paths, path_packidx, NULL);
1287 67fd6849 2022-02-13 stsp if (err)
1288 67fd6849 2022-02-13 stsp break;
1289 67fd6849 2022-02-13 stsp }
1290 67fd6849 2022-02-13 stsp done:
1291 67fd6849 2022-02-13 stsp if (err)
1292 67fd6849 2022-02-13 stsp free(path_packidx);
1293 67fd6849 2022-02-13 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1294 67fd6849 2022-02-13 stsp err = got_error_from_errno("closedir");
1295 67fd6849 2022-02-13 stsp return err;
1296 67fd6849 2022-02-13 stsp }
1297 67fd6849 2022-02-13 stsp
1298 67fd6849 2022-02-13 stsp const struct got_error *
1299 67fd6849 2022-02-13 stsp got_repo_get_packidx(struct got_packidx **packidx, const char *path_packidx,
1300 67fd6849 2022-02-13 stsp struct got_repository *repo)
1301 67fd6849 2022-02-13 stsp {
1302 67fd6849 2022-02-13 stsp const struct got_error *err;
1303 67fd6849 2022-02-13 stsp size_t i;
1304 67fd6849 2022-02-13 stsp
1305 67fd6849 2022-02-13 stsp *packidx = NULL;
1306 67fd6849 2022-02-13 stsp
1307 67fd6849 2022-02-13 stsp /* Search pack index cache. */
1308 67fd6849 2022-02-13 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1309 67fd6849 2022-02-13 stsp if (repo->packidx_cache[i] == NULL)
1310 67fd6849 2022-02-13 stsp break;
1311 67fd6849 2022-02-13 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1312 67fd6849 2022-02-13 stsp path_packidx) == 0) {
1313 67fd6849 2022-02-13 stsp *packidx = repo->packidx_cache[i];
1314 67fd6849 2022-02-13 stsp return NULL;
1315 67fd6849 2022-02-13 stsp }
1316 67fd6849 2022-02-13 stsp }
1317 67fd6849 2022-02-13 stsp /* No luck. Search the filesystem. */
1318 67fd6849 2022-02-13 stsp
1319 67fd6849 2022-02-13 stsp err = got_packidx_open(packidx, got_repo_get_fd(repo),
1320 67fd6849 2022-02-13 stsp path_packidx, 0);
1321 67fd6849 2022-02-13 stsp if (err)
1322 67fd6849 2022-02-13 stsp return err;
1323 67fd6849 2022-02-13 stsp
1324 67fd6849 2022-02-13 stsp err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1325 67fd6849 2022-02-13 stsp if (err)
1326 67fd6849 2022-02-13 stsp goto done;
1327 67fd6849 2022-02-13 stsp
1328 67fd6849 2022-02-13 stsp err = cache_packidx(repo, *packidx, path_packidx);
1329 67fd6849 2022-02-13 stsp done:
1330 67fd6849 2022-02-13 stsp if (err) {
1331 67fd6849 2022-02-13 stsp got_packidx_close(*packidx);
1332 67fd6849 2022-02-13 stsp *packidx = NULL;
1333 67fd6849 2022-02-13 stsp }
1334 67fd6849 2022-02-13 stsp return err;
1335 67fd6849 2022-02-13 stsp }
1336 67fd6849 2022-02-13 stsp
1337 1510f469 2018-09-09 stsp static const struct got_error *
1338 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1339 1510f469 2018-09-09 stsp {
1340 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1341 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1342 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1343 1510f469 2018-09-09 stsp ssize_t n;
1344 1510f469 2018-09-09 stsp
1345 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1346 1510f469 2018-09-09 stsp if (n < 0)
1347 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1348 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1349 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1350 1510f469 2018-09-09 stsp
1351 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1352 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1353 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1354 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1355 1510f469 2018-09-09 stsp
1356 1510f469 2018-09-09 stsp return err;
1357 1510f469 2018-09-09 stsp }
1358 1510f469 2018-09-09 stsp
1359 1510f469 2018-09-09 stsp static const struct got_error *
1360 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1361 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1362 1510f469 2018-09-09 stsp {
1363 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1364 1510f469 2018-09-09 stsp
1365 e7ae0baf 2021-12-31 stsp *fd = openat(got_repo_get_fd(repo), relpath,
1366 e7ae0baf 2021-12-31 stsp O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
1367 1510f469 2018-09-09 stsp if (*fd == -1)
1368 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1369 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1370 1510f469 2018-09-09 stsp
1371 1510f469 2018-09-09 stsp if (packidx) {
1372 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1373 1510f469 2018-09-09 stsp if (err) {
1374 1510f469 2018-09-09 stsp close(*fd);
1375 1510f469 2018-09-09 stsp *fd = -1;
1376 1510f469 2018-09-09 stsp }
1377 1510f469 2018-09-09 stsp }
1378 1510f469 2018-09-09 stsp
1379 1510f469 2018-09-09 stsp return err;
1380 1510f469 2018-09-09 stsp }
1381 1510f469 2018-09-09 stsp
1382 1510f469 2018-09-09 stsp const struct got_error *
1383 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1384 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1385 1510f469 2018-09-09 stsp {
1386 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1387 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1388 ff563a3d 2019-05-23 stsp struct stat sb;
1389 16aeacf7 2020-11-26 stsp size_t i;
1390 1510f469 2018-09-09 stsp
1391 1510f469 2018-09-09 stsp if (packp)
1392 1510f469 2018-09-09 stsp *packp = NULL;
1393 1510f469 2018-09-09 stsp
1394 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1395 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1396 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1397 1510f469 2018-09-09 stsp break;
1398 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1399 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1400 1510f469 2018-09-09 stsp }
1401 1510f469 2018-09-09 stsp
1402 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1403 6a881297 2022-06-02 stsp struct got_pack tmp;
1404 61af9b21 2022-06-28 stsp do {
1405 61af9b21 2022-06-28 stsp i--;
1406 61af9b21 2022-06-28 stsp } while (i > 0 && repo->pinned_pack >= 0 &&
1407 61af9b21 2022-06-28 stsp i == repo->pinned_pack);
1408 61af9b21 2022-06-28 stsp err = got_pack_close(&repo->packs[i]);
1409 1510f469 2018-09-09 stsp if (err)
1410 1510f469 2018-09-09 stsp return err;
1411 61af9b21 2022-06-28 stsp if (ftruncate(repo->packs[i].basefd, 0L) == -1)
1412 57160834 2022-05-31 stsp return got_error_from_errno("ftruncate");
1413 61af9b21 2022-06-28 stsp if (ftruncate(repo->packs[i].accumfd, 0L) == -1)
1414 61af9b21 2022-06-28 stsp return got_error_from_errno("ftruncate");
1415 61af9b21 2022-06-28 stsp memcpy(&tmp, &repo->packs[i], sizeof(tmp));
1416 61af9b21 2022-06-28 stsp memcpy(&repo->packs[i], &repo->packs[0],
1417 61af9b21 2022-06-28 stsp sizeof(repo->packs[i]));
1418 6a881297 2022-06-02 stsp memcpy(&repo->packs[0], &tmp, sizeof(repo->packs[0]));
1419 61af9b21 2022-06-28 stsp if (repo->pinned_pack == 0)
1420 61af9b21 2022-06-28 stsp repo->pinned_pack = i;
1421 61af9b21 2022-06-28 stsp else if (repo->pinned_pack == i)
1422 61af9b21 2022-06-28 stsp repo->pinned_pack = 0;
1423 1510f469 2018-09-09 stsp i = 0;
1424 1510f469 2018-09-09 stsp }
1425 1510f469 2018-09-09 stsp
1426 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1427 1510f469 2018-09-09 stsp
1428 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1429 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1430 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1431 1510f469 2018-09-09 stsp goto done;
1432 1510f469 2018-09-09 stsp }
1433 1510f469 2018-09-09 stsp
1434 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1435 1510f469 2018-09-09 stsp if (err)
1436 1510f469 2018-09-09 stsp goto done;
1437 1510f469 2018-09-09 stsp
1438 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1439 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1440 1510f469 2018-09-09 stsp goto done;
1441 ff563a3d 2019-05-23 stsp }
1442 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1443 90636195 2018-09-11 stsp
1444 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1445 1510f469 2018-09-09 stsp
1446 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1447 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1448 1510f469 2018-09-09 stsp pack->fd, 0);
1449 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1450 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1451 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1452 3a11398b 2019-02-21 stsp goto done;
1453 3a11398b 2019-02-21 stsp }
1454 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1455 3a11398b 2019-02-21 stsp }
1456 1510f469 2018-09-09 stsp #endif
1457 1510f469 2018-09-09 stsp done:
1458 1510f469 2018-09-09 stsp if (err) {
1459 1510f469 2018-09-09 stsp if (pack) {
1460 1510f469 2018-09-09 stsp free(pack->path_packfile);
1461 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1462 1510f469 2018-09-09 stsp }
1463 1510f469 2018-09-09 stsp } else if (packp)
1464 1510f469 2018-09-09 stsp *packp = pack;
1465 1510f469 2018-09-09 stsp return err;
1466 1510f469 2018-09-09 stsp }
1467 1510f469 2018-09-09 stsp
1468 1510f469 2018-09-09 stsp struct got_pack *
1469 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1470 1510f469 2018-09-09 stsp {
1471 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1472 16aeacf7 2020-11-26 stsp size_t i;
1473 1510f469 2018-09-09 stsp
1474 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1475 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1476 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1477 1510f469 2018-09-09 stsp break;
1478 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1479 1510f469 2018-09-09 stsp return pack;
1480 61af9b21 2022-06-28 stsp }
1481 61af9b21 2022-06-28 stsp
1482 61af9b21 2022-06-28 stsp return NULL;
1483 61af9b21 2022-06-28 stsp }
1484 61af9b21 2022-06-28 stsp
1485 61af9b21 2022-06-28 stsp const struct got_error *
1486 61af9b21 2022-06-28 stsp got_repo_pin_pack(struct got_repository *repo, struct got_packidx *packidx,
1487 61af9b21 2022-06-28 stsp struct got_pack *pack)
1488 61af9b21 2022-06-28 stsp {
1489 61af9b21 2022-06-28 stsp size_t i;
1490 61af9b21 2022-06-28 stsp int pinned_pack = -1, pinned_packidx = -1;
1491 61af9b21 2022-06-28 stsp
1492 61af9b21 2022-06-28 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1493 61af9b21 2022-06-28 stsp if (repo->packidx_cache[i] &&
1494 61af9b21 2022-06-28 stsp strcmp(repo->packidx_cache[i]->path_packidx,
1495 61af9b21 2022-06-28 stsp packidx->path_packidx) == 0)
1496 61af9b21 2022-06-28 stsp pinned_packidx = i;
1497 61af9b21 2022-06-28 stsp if (repo->packs[i].path_packfile &&
1498 61af9b21 2022-06-28 stsp strcmp(repo->packs[i].path_packfile,
1499 61af9b21 2022-06-28 stsp pack->path_packfile) == 0)
1500 61af9b21 2022-06-28 stsp pinned_pack = i;
1501 2c7829a4 2019-06-17 stsp }
1502 61af9b21 2022-06-28 stsp
1503 61af9b21 2022-06-28 stsp if (pinned_packidx == -1 || pinned_pack == -1)
1504 61af9b21 2022-06-28 stsp return got_error(GOT_ERR_PIN_PACK);
1505 61af9b21 2022-06-28 stsp
1506 61af9b21 2022-06-28 stsp repo->pinned_pack = pinned_pack;
1507 61af9b21 2022-06-28 stsp repo->pinned_packidx = pinned_packidx;
1508 61af9b21 2022-06-28 stsp repo->pinned_pid = repo->packs[pinned_pack].privsep_child->pid;
1509 61af9b21 2022-06-28 stsp return NULL;
1510 61af9b21 2022-06-28 stsp }
1511 61af9b21 2022-06-28 stsp
1512 61af9b21 2022-06-28 stsp struct got_pack *
1513 61af9b21 2022-06-28 stsp got_repo_get_pinned_pack(struct got_repository *repo)
1514 61af9b21 2022-06-28 stsp {
1515 61af9b21 2022-06-28 stsp if (repo->pinned_pack >= 0 &&
1516 61af9b21 2022-06-28 stsp repo->pinned_pack < repo->pack_cache_size)
1517 61af9b21 2022-06-28 stsp return &repo->packs[repo->pinned_pack];
1518 2c7829a4 2019-06-17 stsp
1519 2c7829a4 2019-06-17 stsp return NULL;
1520 61af9b21 2022-06-28 stsp }
1521 61af9b21 2022-06-28 stsp
1522 61af9b21 2022-06-28 stsp void
1523 61af9b21 2022-06-28 stsp got_repo_unpin_pack(struct got_repository *repo)
1524 61af9b21 2022-06-28 stsp {
1525 61af9b21 2022-06-28 stsp repo->pinned_packidx = -1;
1526 61af9b21 2022-06-28 stsp repo->pinned_pack = -1;
1527 61af9b21 2022-06-28 stsp repo->pinned_pid = 0;
1528 2c7829a4 2019-06-17 stsp }
1529 2c7829a4 2019-06-17 stsp
1530 2c7829a4 2019-06-17 stsp const struct got_error *
1531 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1532 2c7829a4 2019-06-17 stsp {
1533 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1534 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1535 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1536 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1537 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1538 2c7829a4 2019-06-17 stsp };
1539 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1540 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1541 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1542 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1543 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1544 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1545 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1546 2c7829a4 2019-06-17 stsp char *path;
1547 16aeacf7 2020-11-26 stsp size_t i;
1548 2c7829a4 2019-06-17 stsp
1549 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1550 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1551 2c7829a4 2019-06-17 stsp
1552 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1553 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1554 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1555 2c7829a4 2019-06-17 stsp }
1556 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1557 2c7829a4 2019-06-17 stsp free(path);
1558 2c7829a4 2019-06-17 stsp if (err)
1559 2c7829a4 2019-06-17 stsp return err;
1560 1510f469 2018-09-09 stsp }
1561 1510f469 2018-09-09 stsp
1562 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1563 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1564 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1565 2c7829a4 2019-06-17 stsp free(path);
1566 2c7829a4 2019-06-17 stsp if (err)
1567 2c7829a4 2019-06-17 stsp return err;
1568 2c7829a4 2019-06-17 stsp
1569 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1570 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1571 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1572 2c7829a4 2019-06-17 stsp free(path);
1573 2c7829a4 2019-06-17 stsp if (err)
1574 2c7829a4 2019-06-17 stsp return err;
1575 2c7829a4 2019-06-17 stsp
1576 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1577 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1578 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1579 2c7829a4 2019-06-17 stsp free(path);
1580 2c7829a4 2019-06-17 stsp if (err)
1581 2c7829a4 2019-06-17 stsp return err;
1582 2c7829a4 2019-06-17 stsp
1583 1510f469 2018-09-09 stsp return NULL;
1584 e09a504c 2019-06-28 stsp }
1585 e09a504c 2019-06-28 stsp
1586 e09a504c 2019-06-28 stsp static const struct got_error *
1587 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1588 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1589 e09a504c 2019-06-28 stsp {
1590 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1591 9b576444 2022-03-14 stsp struct got_object_id_queue matched_ids;
1592 9b576444 2022-03-14 stsp struct got_pathlist_entry *pe;
1593 e09a504c 2019-06-28 stsp
1594 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1595 dd88155e 2019-06-29 stsp
1596 9b576444 2022-03-14 stsp TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1597 9b576444 2022-03-14 stsp const char *path_packidx = pe->path;
1598 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1599 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1600 dd88155e 2019-06-29 stsp
1601 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1602 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1603 e09a504c 2019-06-28 stsp if (err)
1604 4277420a 2019-06-29 stsp break;
1605 e09a504c 2019-06-28 stsp
1606 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1607 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1608 4277420a 2019-06-29 stsp if (err) {
1609 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1610 4277420a 2019-06-29 stsp break;
1611 4277420a 2019-06-29 stsp }
1612 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1613 dd88155e 2019-06-29 stsp if (err)
1614 e09a504c 2019-06-28 stsp break;
1615 e09a504c 2019-06-28 stsp
1616 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &matched_ids, entry) {
1617 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1618 dd88155e 2019-06-29 stsp int matched_type;
1619 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1620 d7b5a0e8 2022-04-20 stsp &qid->id);
1621 dd88155e 2019-06-29 stsp if (err)
1622 dd88155e 2019-06-29 stsp goto done;
1623 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1624 dd88155e 2019-06-29 stsp continue;
1625 dd88155e 2019-06-29 stsp }
1626 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1627 d7b5a0e8 2022-04-20 stsp *unique_id = got_object_id_dup(&qid->id);
1628 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1629 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1630 dd88155e 2019-06-29 stsp goto done;
1631 dd88155e 2019-06-29 stsp }
1632 4277420a 2019-06-29 stsp } else {
1633 d7b5a0e8 2022-04-20 stsp if (got_object_id_cmp(*unique_id,
1634 d7b5a0e8 2022-04-20 stsp &qid->id) == 0)
1635 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1636 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1637 561c3678 2019-07-02 stsp goto done;
1638 e09a504c 2019-06-28 stsp }
1639 e09a504c 2019-06-28 stsp }
1640 e09a504c 2019-06-28 stsp }
1641 e09a504c 2019-06-28 stsp done:
1642 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1643 e09a504c 2019-06-28 stsp if (err) {
1644 e09a504c 2019-06-28 stsp free(*unique_id);
1645 e09a504c 2019-06-28 stsp *unique_id = NULL;
1646 e09a504c 2019-06-28 stsp }
1647 e09a504c 2019-06-28 stsp return err;
1648 e09a504c 2019-06-28 stsp }
1649 e09a504c 2019-06-28 stsp
1650 e09a504c 2019-06-28 stsp static const struct got_error *
1651 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1652 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1653 e09a504c 2019-06-28 stsp struct got_repository *repo)
1654 e09a504c 2019-06-28 stsp {
1655 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1656 e09a504c 2019-06-28 stsp char *path;
1657 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1658 e09a504c 2019-06-28 stsp struct dirent *dent;
1659 e09a504c 2019-06-28 stsp struct got_object_id id;
1660 e09a504c 2019-06-28 stsp
1661 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1662 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1663 e09a504c 2019-06-28 stsp goto done;
1664 e09a504c 2019-06-28 stsp }
1665 e09a504c 2019-06-28 stsp
1666 e09a504c 2019-06-28 stsp dir = opendir(path);
1667 e09a504c 2019-06-28 stsp if (dir == NULL) {
1668 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1669 4277420a 2019-06-29 stsp err = NULL;
1670 4277420a 2019-06-29 stsp goto done;
1671 4277420a 2019-06-29 stsp }
1672 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1673 e09a504c 2019-06-28 stsp goto done;
1674 e09a504c 2019-06-28 stsp }
1675 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1676 e09a504c 2019-06-28 stsp char *id_str;
1677 5903ff6e 2019-06-29 stsp int cmp;
1678 5903ff6e 2019-06-29 stsp
1679 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1680 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1681 e09a504c 2019-06-28 stsp continue;
1682 e09a504c 2019-06-28 stsp
1683 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1684 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1685 e09a504c 2019-06-28 stsp goto done;
1686 e09a504c 2019-06-28 stsp }
1687 e09a504c 2019-06-28 stsp
1688 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1689 e09a504c 2019-06-28 stsp continue;
1690 e09a504c 2019-06-28 stsp
1691 52d1d0d9 2019-07-07 stsp /*
1692 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1693 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1694 52d1d0d9 2019-07-07 stsp */
1695 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1696 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1697 e09a504c 2019-06-28 stsp free(id_str);
1698 e09a504c 2019-06-28 stsp continue;
1699 e09a504c 2019-06-28 stsp }
1700 e09a504c 2019-06-28 stsp
1701 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1702 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1703 dd88155e 2019-06-29 stsp int matched_type;
1704 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1705 dd88155e 2019-06-29 stsp &id);
1706 dd88155e 2019-06-29 stsp if (err)
1707 dd88155e 2019-06-29 stsp goto done;
1708 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1709 dd88155e 2019-06-29 stsp continue;
1710 dd88155e 2019-06-29 stsp }
1711 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1712 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1713 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1714 e09a504c 2019-06-28 stsp free(id_str);
1715 e09a504c 2019-06-28 stsp goto done;
1716 e09a504c 2019-06-28 stsp }
1717 e09a504c 2019-06-28 stsp } else {
1718 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1719 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1720 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1721 e09a504c 2019-06-28 stsp free(id_str);
1722 e09a504c 2019-06-28 stsp goto done;
1723 e09a504c 2019-06-28 stsp }
1724 e09a504c 2019-06-28 stsp }
1725 e09a504c 2019-06-28 stsp done:
1726 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1727 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1728 e09a504c 2019-06-28 stsp if (err) {
1729 e09a504c 2019-06-28 stsp free(*unique_id);
1730 e09a504c 2019-06-28 stsp *unique_id = NULL;
1731 e09a504c 2019-06-28 stsp }
1732 e09a504c 2019-06-28 stsp free(path);
1733 e09a504c 2019-06-28 stsp return err;
1734 1510f469 2018-09-09 stsp }
1735 e09a504c 2019-06-28 stsp
1736 e09a504c 2019-06-28 stsp const struct got_error *
1737 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1738 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1739 e09a504c 2019-06-28 stsp {
1740 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1741 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1742 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1743 e09a504c 2019-06-28 stsp size_t len;
1744 4277420a 2019-06-29 stsp int i;
1745 e09a504c 2019-06-28 stsp
1746 4277420a 2019-06-29 stsp *id = NULL;
1747 4277420a 2019-06-29 stsp
1748 0e6ab4b2 2022-03-10 stsp len = strlen(id_str_prefix);
1749 0e6ab4b2 2022-03-10 stsp if (len > SHA1_DIGEST_STRING_LENGTH - 1)
1750 0e6ab4b2 2022-03-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1751 0e6ab4b2 2022-03-10 stsp
1752 0e6ab4b2 2022-03-10 stsp for (i = 0; i < len; i++) {
1753 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1754 4277420a 2019-06-29 stsp continue;
1755 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1756 4277420a 2019-06-29 stsp }
1757 4277420a 2019-06-29 stsp
1758 e09a504c 2019-06-28 stsp if (len >= 2) {
1759 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1760 4277420a 2019-06-29 stsp if (err)
1761 83c8b3b8 2019-06-29 stsp goto done;
1762 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1763 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1764 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1765 83c8b3b8 2019-06-29 stsp goto done;
1766 83c8b3b8 2019-06-29 stsp }
1767 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1768 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1769 e09a504c 2019-06-28 stsp } else if (len == 1) {
1770 e09a504c 2019-06-28 stsp int i;
1771 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1772 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1773 83c8b3b8 2019-06-29 stsp == -1) {
1774 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1775 83c8b3b8 2019-06-29 stsp goto done;
1776 83c8b3b8 2019-06-29 stsp }
1777 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1778 dd88155e 2019-06-29 stsp obj_type);
1779 4277420a 2019-06-29 stsp if (err)
1780 83c8b3b8 2019-06-29 stsp goto done;
1781 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1782 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1783 e09a504c 2019-06-28 stsp if (err)
1784 83c8b3b8 2019-06-29 stsp goto done;
1785 e09a504c 2019-06-28 stsp }
1786 83c8b3b8 2019-06-29 stsp } else {
1787 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1788 83c8b3b8 2019-06-29 stsp goto done;
1789 83c8b3b8 2019-06-29 stsp }
1790 83c8b3b8 2019-06-29 stsp done:
1791 e09a504c 2019-06-28 stsp free(object_dir);
1792 4277420a 2019-06-29 stsp if (err) {
1793 4277420a 2019-06-29 stsp free(*id);
1794 4277420a 2019-06-29 stsp *id = NULL;
1795 138e4f47 2021-10-09 stsp } else if (*id == NULL) {
1796 138e4f47 2021-10-09 stsp switch (obj_type) {
1797 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_BLOB:
1798 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1799 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_BLOB, id_str_prefix);
1800 138e4f47 2021-10-09 stsp break;
1801 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_TREE:
1802 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1803 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TREE, id_str_prefix);
1804 138e4f47 2021-10-09 stsp break;
1805 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_COMMIT:
1806 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1807 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_COMMIT, id_str_prefix);
1808 138e4f47 2021-10-09 stsp break;
1809 138e4f47 2021-10-09 stsp case GOT_OBJ_TYPE_TAG:
1810 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1811 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TAG, id_str_prefix);
1812 138e4f47 2021-10-09 stsp break;
1813 138e4f47 2021-10-09 stsp default:
1814 138e4f47 2021-10-09 stsp err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1815 138e4f47 2021-10-09 stsp break;
1816 138e4f47 2021-10-09 stsp }
1817 138e4f47 2021-10-09 stsp }
1818 303e2782 2019-08-09 stsp
1819 303e2782 2019-08-09 stsp return err;
1820 303e2782 2019-08-09 stsp }
1821 303e2782 2019-08-09 stsp
1822 303e2782 2019-08-09 stsp const struct got_error *
1823 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1824 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1825 71a27632 2020-01-15 stsp struct got_repository *repo)
1826 71a27632 2020-01-15 stsp {
1827 71a27632 2020-01-15 stsp const struct got_error *err;
1828 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1829 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1830 71a27632 2020-01-15 stsp
1831 71a27632 2020-01-15 stsp *id = NULL;
1832 71a27632 2020-01-15 stsp if (label)
1833 71a27632 2020-01-15 stsp *label = NULL;
1834 71a27632 2020-01-15 stsp
1835 84de9106 2020-12-26 stsp if (refs) {
1836 237cfda1 2021-10-08 stsp err = got_repo_object_match_tag(&tag, id_str, obj_type,
1837 84de9106 2020-12-26 stsp refs, repo);
1838 71a27632 2020-01-15 stsp if (err == NULL) {
1839 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1840 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1841 71a27632 2020-01-15 stsp if (*id == NULL)
1842 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1843 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1844 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1845 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1846 71a27632 2020-01-15 stsp free(*id);
1847 71a27632 2020-01-15 stsp *id = NULL;
1848 71a27632 2020-01-15 stsp }
1849 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1850 71a27632 2020-01-15 stsp return err;
1851 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1852 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1853 71a27632 2020-01-15 stsp return err;
1854 71a27632 2020-01-15 stsp }
1855 71a27632 2020-01-15 stsp
1856 0ed2285b 2022-03-09 stsp err = got_ref_open(&ref, repo, id_str, 0);
1857 0ed2285b 2022-03-09 stsp if (err == NULL) {
1858 0ed2285b 2022-03-09 stsp err = got_ref_resolve(id, repo, ref);
1859 0ed2285b 2022-03-09 stsp if (err)
1860 71a27632 2020-01-15 stsp goto done;
1861 71a27632 2020-01-15 stsp if (label) {
1862 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1863 71a27632 2020-01-15 stsp if (*label == NULL) {
1864 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1865 71a27632 2020-01-15 stsp goto done;
1866 71a27632 2020-01-15 stsp }
1867 71a27632 2020-01-15 stsp }
1868 0ed2285b 2022-03-09 stsp } else {
1869 0ed2285b 2022-03-09 stsp if (err->code != GOT_ERR_NOT_REF &&
1870 0ed2285b 2022-03-09 stsp err->code != GOT_ERR_BAD_REF_NAME)
1871 71a27632 2020-01-15 stsp goto done;
1872 0ed2285b 2022-03-09 stsp err = got_repo_match_object_id_prefix(id, id_str,
1873 0ed2285b 2022-03-09 stsp obj_type, repo);
1874 0ed2285b 2022-03-09 stsp if (err) {
1875 0ed2285b 2022-03-09 stsp if (err->code == GOT_ERR_BAD_OBJ_ID_STR)
1876 0ed2285b 2022-03-09 stsp err = got_error_not_ref(id_str);
1877 0ed2285b 2022-03-09 stsp goto done;
1878 71a27632 2020-01-15 stsp }
1879 0ed2285b 2022-03-09 stsp if (label) {
1880 0ed2285b 2022-03-09 stsp err = got_object_id_str(label, *id);
1881 0ed2285b 2022-03-09 stsp if (*label == NULL) {
1882 0ed2285b 2022-03-09 stsp err = got_error_from_errno("strdup");
1883 0ed2285b 2022-03-09 stsp goto done;
1884 0ed2285b 2022-03-09 stsp }
1885 0ed2285b 2022-03-09 stsp }
1886 71a27632 2020-01-15 stsp }
1887 71a27632 2020-01-15 stsp done:
1888 71a27632 2020-01-15 stsp if (ref)
1889 71a27632 2020-01-15 stsp got_ref_close(ref);
1890 71a27632 2020-01-15 stsp return err;
1891 71a27632 2020-01-15 stsp }
1892 71a27632 2020-01-15 stsp
1893 71a27632 2020-01-15 stsp const struct got_error *
1894 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1895 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1896 303e2782 2019-08-09 stsp {
1897 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1898 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1899 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1900 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1901 303e2782 2019-08-09 stsp
1902 303e2782 2019-08-09 stsp *tag = NULL;
1903 303e2782 2019-08-09 stsp
1904 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1905 303e2782 2019-08-09 stsp const char *refname;
1906 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1907 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1908 303e2782 2019-08-09 stsp continue;
1909 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1910 84de9106 2020-12-26 stsp continue;
1911 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1912 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1913 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1914 303e2782 2019-08-09 stsp continue;
1915 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1916 303e2782 2019-08-09 stsp if (err)
1917 303e2782 2019-08-09 stsp break;
1918 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1919 303e2782 2019-08-09 stsp free(tag_id);
1920 303e2782 2019-08-09 stsp if (err)
1921 303e2782 2019-08-09 stsp break;
1922 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1923 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1924 303e2782 2019-08-09 stsp break;
1925 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1926 303e2782 2019-08-09 stsp *tag = NULL;
1927 303e2782 2019-08-09 stsp }
1928 4277420a 2019-06-29 stsp
1929 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1930 138e4f47 2021-10-09 stsp err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
1931 138e4f47 2021-10-09 stsp GOT_OBJ_LABEL_TAG, name);
1932 e09a504c 2019-06-28 stsp return err;
1933 e09a504c 2019-06-28 stsp }
1934 7a1d6b72 2020-01-15 stsp
1935 3ce1b845 2019-07-15 stsp static const struct got_error *
1936 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1937 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1938 3ce1b845 2019-07-15 stsp {
1939 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1940 3ce1b845 2019-07-15 stsp
1941 3ce1b845 2019-07-15 stsp *new_te = NULL;
1942 3ce1b845 2019-07-15 stsp
1943 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1944 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1945 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1946 3ce1b845 2019-07-15 stsp
1947 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1948 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1949 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1950 3ce1b845 2019-07-15 stsp goto done;
1951 3ce1b845 2019-07-15 stsp }
1952 3ce1b845 2019-07-15 stsp
1953 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1954 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1955 e8863bdc 2020-07-23 stsp } else {
1956 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1957 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1958 e8863bdc 2020-07-23 stsp }
1959 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1960 3ce1b845 2019-07-15 stsp done:
1961 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1962 56e0773d 2019-11-28 stsp free(*new_te);
1963 3ce1b845 2019-07-15 stsp *new_te = NULL;
1964 3ce1b845 2019-07-15 stsp }
1965 3ce1b845 2019-07-15 stsp return err;
1966 3ce1b845 2019-07-15 stsp }
1967 3ce1b845 2019-07-15 stsp
1968 3ce1b845 2019-07-15 stsp static const struct got_error *
1969 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1970 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1971 3ce1b845 2019-07-15 stsp {
1972 3ce1b845 2019-07-15 stsp const struct got_error *err;
1973 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1974 3ce1b845 2019-07-15 stsp char *filepath;
1975 3ce1b845 2019-07-15 stsp struct stat sb;
1976 3ce1b845 2019-07-15 stsp
1977 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1978 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1979 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1980 3ce1b845 2019-07-15 stsp
1981 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1982 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1983 3ce1b845 2019-07-15 stsp goto done;
1984 3ce1b845 2019-07-15 stsp }
1985 3ce1b845 2019-07-15 stsp
1986 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1987 3ce1b845 2019-07-15 stsp if (err)
1988 3ce1b845 2019-07-15 stsp goto done;
1989 3ce1b845 2019-07-15 stsp
1990 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1991 3ce1b845 2019-07-15 stsp blob_id);
1992 3ce1b845 2019-07-15 stsp done:
1993 3ce1b845 2019-07-15 stsp free(filepath);
1994 3ce1b845 2019-07-15 stsp if (err)
1995 3ce1b845 2019-07-15 stsp free(blob_id);
1996 3ce1b845 2019-07-15 stsp return err;
1997 3ce1b845 2019-07-15 stsp }
1998 3ce1b845 2019-07-15 stsp
1999 3ce1b845 2019-07-15 stsp static const struct got_error *
2000 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
2001 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
2002 3ce1b845 2019-07-15 stsp {
2003 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
2004 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
2005 3ce1b845 2019-07-15 stsp
2006 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
2007 3ce1b845 2019-07-15 stsp if (err)
2008 3ce1b845 2019-07-15 stsp return err;
2009 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
2010 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
2011 3ce1b845 2019-07-15 stsp return NULL;
2012 3ce1b845 2019-07-15 stsp }
2013 3ce1b845 2019-07-15 stsp
2014 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
2015 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
2016 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
2017 3ce1b845 2019-07-15 stsp
2018 3ce1b845 2019-07-15 stsp static const struct got_error *
2019 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
2020 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
2021 3ce1b845 2019-07-15 stsp struct got_repository *repo,
2022 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
2023 3ce1b845 2019-07-15 stsp {
2024 3ce1b845 2019-07-15 stsp const struct got_error *err;
2025 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
2026 3ce1b845 2019-07-15 stsp char *subdirpath;
2027 3ce1b845 2019-07-15 stsp
2028 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
2029 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
2030 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
2031 3ce1b845 2019-07-15 stsp
2032 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
2033 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
2034 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
2035 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
2036 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
2037 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
2038 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
2039 3ce1b845 2019-07-15 stsp goto done;
2040 3ce1b845 2019-07-15 stsp }
2041 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
2042 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2043 56e0773d 2019-11-28 stsp if (err)
2044 56e0773d 2019-11-28 stsp goto done;
2045 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
2046 56e0773d 2019-11-28 stsp
2047 3ce1b845 2019-07-15 stsp done:
2048 56e0773d 2019-11-28 stsp free(id);
2049 3ce1b845 2019-07-15 stsp free(subdirpath);
2050 3ce1b845 2019-07-15 stsp if (err) {
2051 56e0773d 2019-11-28 stsp free(*new_te);
2052 3ce1b845 2019-07-15 stsp *new_te = NULL;
2053 3ce1b845 2019-07-15 stsp }
2054 3ce1b845 2019-07-15 stsp return err;
2055 3ce1b845 2019-07-15 stsp }
2056 3ce1b845 2019-07-15 stsp
2057 3ce1b845 2019-07-15 stsp static const struct got_error *
2058 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
2059 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
2060 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
2061 3ce1b845 2019-07-15 stsp {
2062 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
2063 3ce1b845 2019-07-15 stsp DIR *dir;
2064 3ce1b845 2019-07-15 stsp struct dirent *de;
2065 56e0773d 2019-11-28 stsp int nentries;
2066 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
2067 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
2068 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
2069 3ce1b845 2019-07-15 stsp
2070 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
2071 3ce1b845 2019-07-15 stsp
2072 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
2073 3ce1b845 2019-07-15 stsp
2074 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
2075 3ce1b845 2019-07-15 stsp if (dir == NULL) {
2076 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
2077 3ce1b845 2019-07-15 stsp goto done;
2078 3ce1b845 2019-07-15 stsp }
2079 3ce1b845 2019-07-15 stsp
2080 56e0773d 2019-11-28 stsp nentries = 0;
2081 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
2082 3ce1b845 2019-07-15 stsp int ignore = 0;
2083 20ccae39 2020-07-21 stsp int type;
2084 3ce1b845 2019-07-15 stsp
2085 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
2086 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
2087 3ce1b845 2019-07-15 stsp continue;
2088 3ce1b845 2019-07-15 stsp
2089 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
2090 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
2091 3ce1b845 2019-07-15 stsp ignore = 1;
2092 3ce1b845 2019-07-15 stsp break;
2093 3ce1b845 2019-07-15 stsp }
2094 3ce1b845 2019-07-15 stsp }
2095 3ce1b845 2019-07-15 stsp if (ignore)
2096 3ce1b845 2019-07-15 stsp continue;
2097 20ccae39 2020-07-21 stsp
2098 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
2099 20ccae39 2020-07-21 stsp if (err)
2100 20ccae39 2020-07-21 stsp goto done;
2101 20ccae39 2020-07-21 stsp
2102 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
2103 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
2104 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
2105 db1d3576 2019-10-04 stsp if (err) {
2106 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
2107 db1d3576 2019-10-04 stsp goto done;
2108 db1d3576 2019-10-04 stsp err = NULL;
2109 db1d3576 2019-10-04 stsp continue;
2110 db1d3576 2019-10-04 stsp }
2111 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
2112 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
2113 3ce1b845 2019-07-15 stsp if (err)
2114 3ce1b845 2019-07-15 stsp goto done;
2115 3ce1b845 2019-07-15 stsp } else
2116 3ce1b845 2019-07-15 stsp continue;
2117 3ce1b845 2019-07-15 stsp
2118 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
2119 3ce1b845 2019-07-15 stsp if (err)
2120 3ce1b845 2019-07-15 stsp goto done;
2121 56e0773d 2019-11-28 stsp nentries++;
2122 3ce1b845 2019-07-15 stsp }
2123 3ce1b845 2019-07-15 stsp
2124 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
2125 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
2126 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
2127 db1d3576 2019-10-04 stsp goto done;
2128 db1d3576 2019-10-04 stsp }
2129 db1d3576 2019-10-04 stsp
2130 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
2131 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
2132 3ce1b845 2019-07-15 stsp char *path;
2133 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
2134 3ce1b845 2019-07-15 stsp continue;
2135 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
2136 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
2137 3ce1b845 2019-07-15 stsp goto done;
2138 3ce1b845 2019-07-15 stsp }
2139 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
2140 3ce1b845 2019-07-15 stsp free(path);
2141 3ce1b845 2019-07-15 stsp if (err)
2142 3ce1b845 2019-07-15 stsp goto done;
2143 3ce1b845 2019-07-15 stsp }
2144 3ce1b845 2019-07-15 stsp
2145 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
2146 3ce1b845 2019-07-15 stsp done:
2147 3ce1b845 2019-07-15 stsp if (dir)
2148 3ce1b845 2019-07-15 stsp closedir(dir);
2149 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
2150 3ce1b845 2019-07-15 stsp return err;
2151 3ce1b845 2019-07-15 stsp }
2152 3ce1b845 2019-07-15 stsp
2153 3ce1b845 2019-07-15 stsp const struct got_error *
2154 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
2155 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
2156 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
2157 3ce1b845 2019-07-15 stsp void *progress_arg)
2158 3ce1b845 2019-07-15 stsp {
2159 3ce1b845 2019-07-15 stsp const struct got_error *err;
2160 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
2161 3ce1b845 2019-07-15 stsp
2162 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
2163 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
2164 3ce1b845 2019-07-15 stsp if (err)
2165 3ce1b845 2019-07-15 stsp return err;
2166 3ce1b845 2019-07-15 stsp
2167 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
2168 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
2169 3ce1b845 2019-07-15 stsp free(new_tree_id);
2170 20662ea0 2021-04-10 stsp return err;
2171 20662ea0 2021-04-10 stsp }
2172 20662ea0 2021-04-10 stsp
2173 20662ea0 2021-04-10 stsp const struct got_error *
2174 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
2175 20662ea0 2021-04-10 stsp struct got_repository *repo)
2176 20662ea0 2021-04-10 stsp {
2177 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
2178 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
2179 20662ea0 2021-04-10 stsp DIR *dir = NULL;
2180 20662ea0 2021-04-10 stsp struct got_object_id id;
2181 20662ea0 2021-04-10 stsp int i;
2182 20662ea0 2021-04-10 stsp
2183 20662ea0 2021-04-10 stsp *nobjects = 0;
2184 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2185 20662ea0 2021-04-10 stsp
2186 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
2187 20662ea0 2021-04-10 stsp if (path_objects == NULL)
2188 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
2189 20662ea0 2021-04-10 stsp
2190 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
2191 20662ea0 2021-04-10 stsp struct dirent *dent;
2192 20662ea0 2021-04-10 stsp
2193 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2194 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2195 20662ea0 2021-04-10 stsp break;
2196 20662ea0 2021-04-10 stsp }
2197 20662ea0 2021-04-10 stsp
2198 20662ea0 2021-04-10 stsp dir = opendir(path);
2199 20662ea0 2021-04-10 stsp if (dir == NULL) {
2200 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
2201 20662ea0 2021-04-10 stsp err = NULL;
2202 20662ea0 2021-04-10 stsp continue;
2203 20662ea0 2021-04-10 stsp }
2204 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
2205 20662ea0 2021-04-10 stsp break;
2206 20662ea0 2021-04-10 stsp }
2207 20662ea0 2021-04-10 stsp
2208 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
2209 20662ea0 2021-04-10 stsp char *id_str;
2210 20662ea0 2021-04-10 stsp int fd;
2211 20662ea0 2021-04-10 stsp struct stat sb;
2212 20662ea0 2021-04-10 stsp
2213 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
2214 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
2215 20662ea0 2021-04-10 stsp continue;
2216 20662ea0 2021-04-10 stsp
2217 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2218 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2219 20662ea0 2021-04-10 stsp goto done;
2220 20662ea0 2021-04-10 stsp }
2221 20662ea0 2021-04-10 stsp
2222 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
2223 20662ea0 2021-04-10 stsp free(id_str);
2224 20662ea0 2021-04-10 stsp continue;
2225 20662ea0 2021-04-10 stsp }
2226 20662ea0 2021-04-10 stsp free(id_str);
2227 20662ea0 2021-04-10 stsp
2228 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
2229 20662ea0 2021-04-10 stsp if (err)
2230 20662ea0 2021-04-10 stsp goto done;
2231 20662ea0 2021-04-10 stsp
2232 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
2233 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
2234 20662ea0 2021-04-10 stsp close(fd);
2235 20662ea0 2021-04-10 stsp goto done;
2236 20662ea0 2021-04-10 stsp }
2237 20662ea0 2021-04-10 stsp (*nobjects)++;
2238 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
2239 20662ea0 2021-04-10 stsp
2240 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
2241 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
2242 20662ea0 2021-04-10 stsp goto done;
2243 20662ea0 2021-04-10 stsp }
2244 20662ea0 2021-04-10 stsp }
2245 20662ea0 2021-04-10 stsp
2246 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
2247 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2248 20662ea0 2021-04-10 stsp goto done;
2249 20662ea0 2021-04-10 stsp }
2250 20662ea0 2021-04-10 stsp dir = NULL;
2251 20662ea0 2021-04-10 stsp
2252 20662ea0 2021-04-10 stsp free(path);
2253 20662ea0 2021-04-10 stsp path = NULL;
2254 20662ea0 2021-04-10 stsp }
2255 20662ea0 2021-04-10 stsp done:
2256 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
2257 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2258 20662ea0 2021-04-10 stsp
2259 20662ea0 2021-04-10 stsp if (err) {
2260 20662ea0 2021-04-10 stsp *nobjects = 0;
2261 20662ea0 2021-04-10 stsp *ondisk_size = 0;
2262 20662ea0 2021-04-10 stsp }
2263 20662ea0 2021-04-10 stsp free(path_objects);
2264 20662ea0 2021-04-10 stsp free(path);
2265 3ce1b845 2019-07-15 stsp return err;
2266 3ce1b845 2019-07-15 stsp }
2267 20662ea0 2021-04-10 stsp
2268 20662ea0 2021-04-10 stsp const struct got_error *
2269 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2270 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
2271 20662ea0 2021-04-10 stsp {
2272 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
2273 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
2274 20662ea0 2021-04-10 stsp struct dirent *dent;
2275 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
2276 20662ea0 2021-04-10 stsp char *path_packidx;
2277 20662ea0 2021-04-10 stsp char *path_packfile;
2278 20662ea0 2021-04-10 stsp int packdir_fd;
2279 20662ea0 2021-04-10 stsp struct stat sb;
2280 20662ea0 2021-04-10 stsp
2281 20662ea0 2021-04-10 stsp *npackfiles = 0;
2282 20662ea0 2021-04-10 stsp *nobjects = 0;
2283 20662ea0 2021-04-10 stsp *total_packsize = 0;
2284 20662ea0 2021-04-10 stsp
2285 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
2286 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2287 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
2288 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
2289 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
2290 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
2291 20662ea0 2021-04-10 stsp }
2292 20662ea0 2021-04-10 stsp
2293 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
2294 20662ea0 2021-04-10 stsp if (packdir == NULL) {
2295 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
2296 20662ea0 2021-04-10 stsp goto done;
2297 20662ea0 2021-04-10 stsp }
2298 20662ea0 2021-04-10 stsp
2299 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
2300 1124fe40 2021-07-07 stsp if (!got_repo_is_packidx_filename(dent->d_name, dent->d_namlen))
2301 20662ea0 2021-04-10 stsp continue;
2302 20662ea0 2021-04-10 stsp
2303 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2304 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
2305 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
2306 20662ea0 2021-04-10 stsp goto done;
2307 20662ea0 2021-04-10 stsp }
2308 20662ea0 2021-04-10 stsp
2309 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2310 20662ea0 2021-04-10 stsp path_packidx, 0);
2311 20662ea0 2021-04-10 stsp free(path_packidx);
2312 20662ea0 2021-04-10 stsp if (err)
2313 20662ea0 2021-04-10 stsp goto done;
2314 20662ea0 2021-04-10 stsp
2315 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
2316 20662ea0 2021-04-10 stsp goto done;
2317 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2318 20662ea0 2021-04-10 stsp
2319 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
2320 aea75d87 2021-07-06 stsp packidx->path_packidx);
2321 20662ea0 2021-04-10 stsp if (err)
2322 20662ea0 2021-04-10 stsp goto done;
2323 20662ea0 2021-04-10 stsp
2324 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2325 20662ea0 2021-04-10 stsp 0) == -1) {
2326 20662ea0 2021-04-10 stsp free(path_packfile);
2327 20662ea0 2021-04-10 stsp goto done;
2328 20662ea0 2021-04-10 stsp }
2329 20662ea0 2021-04-10 stsp free(path_packfile);
2330 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
2331 20662ea0 2021-04-10 stsp
2332 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2333 20662ea0 2021-04-10 stsp
2334 20662ea0 2021-04-10 stsp (*npackfiles)++;
2335 20662ea0 2021-04-10 stsp
2336 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2337 20662ea0 2021-04-10 stsp packidx = NULL;
2338 20662ea0 2021-04-10 stsp }
2339 20662ea0 2021-04-10 stsp done:
2340 20662ea0 2021-04-10 stsp if (packidx)
2341 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2342 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2343 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2344 20662ea0 2021-04-10 stsp if (err) {
2345 20662ea0 2021-04-10 stsp *npackfiles = 0;
2346 20662ea0 2021-04-10 stsp *nobjects = 0;
2347 20662ea0 2021-04-10 stsp *total_packsize = 0;
2348 20662ea0 2021-04-10 stsp }
2349 20662ea0 2021-04-10 stsp return err;
2350 20662ea0 2021-04-10 stsp }
2351 f8b19efd 2021-10-13 stsp
2352 f8b19efd 2021-10-13 stsp RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2353 f8b19efd 2021-10-13 stsp got_packidx_bloom_filter_cmp);