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1 7b19e0f1 2017-11-05 stsp /*
2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
3 7b19e0f1 2017-11-05 stsp *
4 7b19e0f1 2017-11-05 stsp * Permission to use, copy, modify, and distribute this software for any
5 7b19e0f1 2017-11-05 stsp * purpose with or without fee is hereby granted, provided that the above
6 7b19e0f1 2017-11-05 stsp * copyright notice and this permission notice appear in all copies.
7 7b19e0f1 2017-11-05 stsp *
8 7b19e0f1 2017-11-05 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 7b19e0f1 2017-11-05 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 7b19e0f1 2017-11-05 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 7b19e0f1 2017-11-05 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 7b19e0f1 2017-11-05 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 7b19e0f1 2017-11-05 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 7b19e0f1 2017-11-05 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 7b19e0f1 2017-11-05 stsp */
16 7b19e0f1 2017-11-05 stsp
17 ad242220 2018-09-08 stsp #include <sys/types.h>
18 ad242220 2018-09-08 stsp #include <sys/uio.h>
19 aba9c984 2019-09-08 stsp #include <sys/socket.h>
20 deeca238 2018-03-12 stsp #include <sys/stat.h>
21 1510f469 2018-09-09 stsp #include <sys/mman.h>
22 6c414261 2021-03-30 stsp #include <sys/resource.h>
23 79b11c62 2018-03-09 stsp
24 e09a504c 2019-06-28 stsp #include <ctype.h>
25 1510f469 2018-09-09 stsp #include <fcntl.h>
26 3ce1b845 2019-07-15 stsp #include <fnmatch.h>
27 4027f31a 2017-11-04 stsp #include <limits.h>
28 1510f469 2018-09-09 stsp #include <dirent.h>
29 4027f31a 2017-11-04 stsp #include <stdlib.h>
30 4027f31a 2017-11-04 stsp #include <stdio.h>
31 4027f31a 2017-11-04 stsp #include <string.h>
32 303e14b5 2019-09-23 stsp #include <time.h>
33 81a12da5 2020-09-09 naddy #include <unistd.h>
34 79b11c62 2018-03-09 stsp #include <zlib.h>
35 85f51bba 2018-07-16 stsp #include <errno.h>
36 85f51bba 2018-07-16 stsp #include <libgen.h>
37 ad242220 2018-09-08 stsp #include <stdint.h>
38 c442a90d 2019-03-10 stsp #include <uuid.h>
39 4027f31a 2017-11-04 stsp
40 dd038bc6 2021-09-21 thomas.ad #include "got_compat.h"
41 dd038bc6 2021-09-21 thomas.ad
42 4027f31a 2017-11-04 stsp #include "got_error.h"
43 5261c201 2018-04-01 stsp #include "got_reference.h"
44 4027f31a 2017-11-04 stsp #include "got_repository.h"
45 1dd54920 2019-05-11 stsp #include "got_path.h"
46 e6209546 2019-08-22 stsp #include "got_cancel.h"
47 7bb0daa1 2018-06-21 stsp #include "got_object.h"
48 4027f31a 2017-11-04 stsp
49 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
50 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
51 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
52 3ce1b845 2019-07-15 stsp #include "got_lib_object_parse.h"
53 3ce1b845 2019-07-15 stsp #include "got_lib_object_create.h"
54 718b3ab0 2018-03-17 stsp #include "got_lib_pack.h"
55 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
56 e09a504c 2019-06-28 stsp #include "got_lib_sha1.h"
57 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
58 6bef87be 2018-09-11 stsp #include "got_lib_repository.h"
59 50b0790e 2020-09-11 stsp #include "got_lib_gotconfig.h"
60 c3f94f68 2017-11-05 stsp
61 79b11c62 2018-03-09 stsp #ifndef nitems
62 79b11c62 2018-03-09 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
63 79b11c62 2018-03-09 stsp #endif
64 4df642d9 2017-11-05 stsp
65 7839bc15 2019-01-06 stsp const char *
66 86c3caaf 2018-03-09 stsp got_repo_get_path(struct got_repository *repo)
67 86c3caaf 2018-03-09 stsp {
68 7839bc15 2019-01-06 stsp return repo->path;
69 86c3caaf 2018-03-09 stsp }
70 86c3caaf 2018-03-09 stsp
71 6e9da951 2019-01-06 stsp const char *
72 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
73 4027f31a 2017-11-04 stsp {
74 6e9da951 2019-01-06 stsp return repo->path_git_dir;
75 6d5a9006 2020-12-16 yzhong }
76 6d5a9006 2020-12-16 yzhong
77 6d5a9006 2020-12-16 yzhong int
78 6d5a9006 2020-12-16 yzhong got_repo_get_fd(struct got_repository *repo)
79 6d5a9006 2020-12-16 yzhong {
80 6d5a9006 2020-12-16 yzhong return repo->gitdir_fd;
81 04ca23f4 2018-07-16 stsp }
82 04ca23f4 2018-07-16 stsp
83 aba9c984 2019-09-08 stsp const char *
84 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_name(struct got_repository *repo)
85 aba9c984 2019-09-08 stsp {
86 aba9c984 2019-09-08 stsp return repo->gitconfig_author_name;
87 aba9c984 2019-09-08 stsp }
88 aba9c984 2019-09-08 stsp
89 aba9c984 2019-09-08 stsp const char *
90 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_email(struct got_repository *repo)
91 aba9c984 2019-09-08 stsp {
92 aba9c984 2019-09-08 stsp return repo->gitconfig_author_email;
93 c9956ddf 2019-09-08 stsp }
94 c9956ddf 2019-09-08 stsp
95 c9956ddf 2019-09-08 stsp const char *
96 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_name(struct got_repository *repo)
97 c9956ddf 2019-09-08 stsp {
98 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_name;
99 c9956ddf 2019-09-08 stsp }
100 c9956ddf 2019-09-08 stsp
101 c9956ddf 2019-09-08 stsp const char *
102 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_email(struct got_repository *repo)
103 c9956ddf 2019-09-08 stsp {
104 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_email;
105 9a1cc63f 2020-02-03 stsp }
106 9a1cc63f 2020-02-03 stsp
107 9a1cc63f 2020-02-03 stsp const char *
108 9a1cc63f 2020-02-03 stsp got_repo_get_gitconfig_owner(struct got_repository *repo)
109 9a1cc63f 2020-02-03 stsp {
110 9a1cc63f 2020-02-03 stsp return repo->gitconfig_owner;
111 9188bd78 2021-07-03 stsp }
112 9188bd78 2021-07-03 stsp
113 9188bd78 2021-07-03 stsp void
114 9188bd78 2021-07-03 stsp got_repo_get_gitconfig_extensions(char ***extensions, int *nextensions,
115 9188bd78 2021-07-03 stsp struct got_repository *repo)
116 9188bd78 2021-07-03 stsp {
117 9188bd78 2021-07-03 stsp *extensions = repo->extensions;
118 9188bd78 2021-07-03 stsp *nextensions = repo->nextensions;
119 aba9c984 2019-09-08 stsp }
120 aba9c984 2019-09-08 stsp
121 04ca23f4 2018-07-16 stsp int
122 04ca23f4 2018-07-16 stsp got_repo_is_bare(struct got_repository *repo)
123 04ca23f4 2018-07-16 stsp {
124 04ca23f4 2018-07-16 stsp return (strcmp(repo->path, repo->path_git_dir) == 0);
125 4027f31a 2017-11-04 stsp }
126 4027f31a 2017-11-04 stsp
127 4027f31a 2017-11-04 stsp static char *
128 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
129 4027f31a 2017-11-04 stsp {
130 4027f31a 2017-11-04 stsp char *path_child;
131 3168e5da 2020-09-10 stsp
132 4986b9d5 2018-03-12 stsp if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
133 4027f31a 2017-11-04 stsp basename) == -1)
134 4027f31a 2017-11-04 stsp return NULL;
135 4027f31a 2017-11-04 stsp
136 4027f31a 2017-11-04 stsp return path_child;
137 4027f31a 2017-11-04 stsp }
138 4027f31a 2017-11-04 stsp
139 11995603 2017-11-05 stsp char *
140 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
141 4027f31a 2017-11-04 stsp {
142 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
143 4027f31a 2017-11-04 stsp }
144 4027f31a 2017-11-04 stsp
145 11995603 2017-11-05 stsp char *
146 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
147 a1fd68d8 2018-01-12 stsp {
148 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
149 a1fd68d8 2018-01-12 stsp }
150 a1fd68d8 2018-01-12 stsp
151 a1fd68d8 2018-01-12 stsp char *
152 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
153 4027f31a 2017-11-04 stsp {
154 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
155 4027f31a 2017-11-04 stsp }
156 4027f31a 2017-11-04 stsp
157 fb79db15 2019-02-01 stsp char *
158 fb79db15 2019-02-01 stsp got_repo_get_path_packed_refs(struct got_repository *repo)
159 fb79db15 2019-02-01 stsp {
160 fb79db15 2019-02-01 stsp return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
161 fb79db15 2019-02-01 stsp }
162 fb79db15 2019-02-01 stsp
163 4027f31a 2017-11-04 stsp static char *
164 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
165 4027f31a 2017-11-04 stsp {
166 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
167 1d126e2d 2019-08-24 stsp }
168 1d126e2d 2019-08-24 stsp
169 b46f3e71 2020-03-18 stsp char *
170 b46f3e71 2020-03-18 stsp got_repo_get_path_gitconfig(struct got_repository *repo)
171 1d126e2d 2019-08-24 stsp {
172 b46f3e71 2020-03-18 stsp return get_path_git_child(repo, GOT_GITCONFIG);
173 cd95becd 2019-11-29 stsp }
174 cd95becd 2019-11-29 stsp
175 257add31 2020-09-09 stsp char *
176 257add31 2020-09-09 stsp got_repo_get_path_gotconfig(struct got_repository *repo)
177 257add31 2020-09-09 stsp {
178 50b0790e 2020-09-11 stsp return get_path_git_child(repo, GOT_GOTCONFIG_FILENAME);
179 257add31 2020-09-09 stsp }
180 257add31 2020-09-09 stsp
181 50b0790e 2020-09-11 stsp const struct got_gotconfig *
182 50b0790e 2020-09-11 stsp got_repo_get_gotconfig(struct got_repository *repo)
183 cd95becd 2019-11-29 stsp {
184 50b0790e 2020-09-11 stsp return repo->gotconfig;
185 4027f31a 2017-11-04 stsp }
186 4027f31a 2017-11-04 stsp
187 257add31 2020-09-09 stsp void
188 50b0790e 2020-09-11 stsp got_repo_get_gitconfig_remotes(int *nremotes,
189 50b0790e 2020-09-11 stsp const struct got_remote_repo **remotes, struct got_repository *repo)
190 257add31 2020-09-09 stsp {
191 50b0790e 2020-09-11 stsp *nremotes = repo->ngitconfig_remotes;
192 50b0790e 2020-09-11 stsp *remotes = repo->gitconfig_remotes;
193 257add31 2020-09-09 stsp }
194 257add31 2020-09-09 stsp
195 4027f31a 2017-11-04 stsp static int
196 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
197 4027f31a 2017-11-04 stsp {
198 6e9da951 2019-01-06 stsp const char *path_git = got_repo_get_path_git_dir(repo);
199 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
200 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
201 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
202 deeca238 2018-03-12 stsp int ret = 0;
203 deeca238 2018-03-12 stsp struct stat sb;
204 4847cca1 2018-03-12 stsp struct got_reference *head_ref;
205 4027f31a 2017-11-04 stsp
206 deeca238 2018-03-12 stsp if (lstat(path_git, &sb) == -1)
207 deeca238 2018-03-12 stsp goto done;
208 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
209 deeca238 2018-03-12 stsp goto done;
210 4027f31a 2017-11-04 stsp
211 deeca238 2018-03-12 stsp if (lstat(path_objects, &sb) == -1)
212 deeca238 2018-03-12 stsp goto done;
213 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
214 deeca238 2018-03-12 stsp goto done;
215 deeca238 2018-03-12 stsp
216 deeca238 2018-03-12 stsp if (lstat(path_refs, &sb) == -1)
217 deeca238 2018-03-12 stsp goto done;
218 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
219 deeca238 2018-03-12 stsp goto done;
220 deeca238 2018-03-12 stsp
221 deeca238 2018-03-12 stsp if (lstat(path_head, &sb) == -1)
222 deeca238 2018-03-12 stsp goto done;
223 deeca238 2018-03-12 stsp if (!S_ISREG(sb.st_mode))
224 deeca238 2018-03-12 stsp goto done;
225 4847cca1 2018-03-12 stsp
226 4847cca1 2018-03-12 stsp /* Check if the HEAD reference can be opened. */
227 2f17228e 2019-05-12 stsp if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
228 4847cca1 2018-03-12 stsp goto done;
229 4847cca1 2018-03-12 stsp got_ref_close(head_ref);
230 4847cca1 2018-03-12 stsp
231 deeca238 2018-03-12 stsp ret = 1;
232 deeca238 2018-03-12 stsp done:
233 4027f31a 2017-11-04 stsp free(path_objects);
234 4027f31a 2017-11-04 stsp free(path_refs);
235 4027f31a 2017-11-04 stsp free(path_head);
236 4027f31a 2017-11-04 stsp return ret;
237 4027f31a 2017-11-04 stsp
238 7bb0daa1 2018-06-21 stsp }
239 7bb0daa1 2018-06-21 stsp
240 f6be5c30 2018-06-22 stsp const struct got_error *
241 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
242 f6be5c30 2018-06-22 stsp struct got_object *obj)
243 f6be5c30 2018-06-22 stsp {
244 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
245 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
246 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
247 79c99a64 2019-05-23 stsp if (err) {
248 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
249 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
250 79c99a64 2019-05-23 stsp err = NULL;
251 f6be5c30 2018-06-22 stsp return err;
252 79c99a64 2019-05-23 stsp }
253 f6be5c30 2018-06-22 stsp obj->refcnt++;
254 ccfe88e6 2018-07-12 stsp #endif
255 f6be5c30 2018-06-22 stsp return NULL;
256 f6be5c30 2018-06-22 stsp }
257 f6be5c30 2018-06-22 stsp
258 7bb0daa1 2018-06-21 stsp struct got_object *
259 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
260 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
261 7bb0daa1 2018-06-21 stsp {
262 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
263 7bb0daa1 2018-06-21 stsp }
264 7bb0daa1 2018-06-21 stsp
265 4027f31a 2017-11-04 stsp const struct got_error *
266 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
267 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
268 f6be5c30 2018-06-22 stsp {
269 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
270 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
271 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
272 79c99a64 2019-05-23 stsp if (err) {
273 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
274 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
275 79c99a64 2019-05-23 stsp err = NULL;
276 f6be5c30 2018-06-22 stsp return err;
277 79c99a64 2019-05-23 stsp }
278 f6be5c30 2018-06-22 stsp tree->refcnt++;
279 ccfe88e6 2018-07-12 stsp #endif
280 f6be5c30 2018-06-22 stsp return NULL;
281 f6be5c30 2018-06-22 stsp }
282 f6be5c30 2018-06-22 stsp
283 f6be5c30 2018-06-22 stsp struct got_tree_object *
284 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
285 f6be5c30 2018-06-22 stsp struct got_object_id *id)
286 f6be5c30 2018-06-22 stsp {
287 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
288 6bef87be 2018-09-11 stsp &repo->treecache, id);
289 1943de01 2018-06-22 stsp }
290 1943de01 2018-06-22 stsp
291 1943de01 2018-06-22 stsp const struct got_error *
292 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
293 1943de01 2018-06-22 stsp struct got_commit_object *commit)
294 1943de01 2018-06-22 stsp {
295 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
296 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
297 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
298 79c99a64 2019-05-23 stsp if (err) {
299 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
300 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
301 79c99a64 2019-05-23 stsp err = NULL;
302 1943de01 2018-06-22 stsp return err;
303 79c99a64 2019-05-23 stsp }
304 1943de01 2018-06-22 stsp commit->refcnt++;
305 ccfe88e6 2018-07-12 stsp #endif
306 f6be5c30 2018-06-22 stsp return NULL;
307 f6be5c30 2018-06-22 stsp }
308 f6be5c30 2018-06-22 stsp
309 1943de01 2018-06-22 stsp struct got_commit_object *
310 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
311 1943de01 2018-06-22 stsp struct got_object_id *id)
312 1943de01 2018-06-22 stsp {
313 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
314 6bef87be 2018-09-11 stsp &repo->commitcache, id);
315 f4a881ce 2018-11-17 stsp }
316 f4a881ce 2018-11-17 stsp
317 f4a881ce 2018-11-17 stsp const struct got_error *
318 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
319 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
320 f4a881ce 2018-11-17 stsp {
321 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
322 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
323 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
324 79c99a64 2019-05-23 stsp if (err) {
325 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
326 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
327 79c99a64 2019-05-23 stsp err = NULL;
328 f4a881ce 2018-11-17 stsp return err;
329 79c99a64 2019-05-23 stsp }
330 f4a881ce 2018-11-17 stsp tag->refcnt++;
331 f4a881ce 2018-11-17 stsp #endif
332 f4a881ce 2018-11-17 stsp return NULL;
333 f4a881ce 2018-11-17 stsp }
334 f4a881ce 2018-11-17 stsp
335 f4a881ce 2018-11-17 stsp struct got_tag_object *
336 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
337 f4a881ce 2018-11-17 stsp {
338 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
339 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
340 1943de01 2018-06-22 stsp }
341 1943de01 2018-06-22 stsp
342 991ff1aa 2021-06-15 tracey static const struct got_error *
343 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
344 4027f31a 2017-11-04 stsp {
345 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
346 85f51bba 2018-07-16 stsp
347 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
348 6d5a9006 2020-12-16 yzhong
349 85f51bba 2018-07-16 stsp /* bare git repository? */
350 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
351 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
352 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
353 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
354 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
355 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
356 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
357 6d5a9006 2020-12-16 yzhong goto done;
358 6d5a9006 2020-12-16 yzhong }
359 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = open(repo->path_git_dir, O_DIRECTORY);
360 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
361 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
362 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
363 85f51bba 2018-07-16 stsp goto done;
364 85f51bba 2018-07-16 stsp }
365 85f51bba 2018-07-16 stsp return NULL;
366 85f51bba 2018-07-16 stsp }
367 85f51bba 2018-07-16 stsp
368 85f51bba 2018-07-16 stsp /* git repository with working tree? */
369 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
370 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
371 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
372 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
373 85f51bba 2018-07-16 stsp goto done;
374 85f51bba 2018-07-16 stsp }
375 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
376 85f51bba 2018-07-16 stsp repo->path = strdup(path);
377 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
378 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
379 85f51bba 2018-07-16 stsp goto done;
380 85f51bba 2018-07-16 stsp }
381 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = open(repo->path_git_dir, O_DIRECTORY);
382 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
383 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
384 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
385 6d5a9006 2020-12-16 yzhong goto done;
386 6d5a9006 2020-12-16 yzhong }
387 85f51bba 2018-07-16 stsp return NULL;
388 85f51bba 2018-07-16 stsp }
389 85f51bba 2018-07-16 stsp
390 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
391 ee645855 2019-02-05 stsp done:
392 85f51bba 2018-07-16 stsp if (err) {
393 ee645855 2019-02-05 stsp free(repo->path);
394 ee645855 2019-02-05 stsp repo->path = NULL;
395 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
396 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
397 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
398 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
399 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
400 6d5a9006 2020-12-16 yzhong
401 aba9c984 2019-09-08 stsp }
402 aba9c984 2019-09-08 stsp return err;
403 aba9c984 2019-09-08 stsp }
404 aba9c984 2019-09-08 stsp
405 aba9c984 2019-09-08 stsp static const struct got_error *
406 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
407 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
408 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
409 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
410 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
411 aba9c984 2019-09-08 stsp {
412 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
413 aba9c984 2019-09-08 stsp int fd = -1;
414 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
415 aba9c984 2019-09-08 stsp pid_t pid;
416 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
417 aba9c984 2019-09-08 stsp
418 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
419 20b7abb3 2020-10-22 stsp if (extensions)
420 20b7abb3 2020-10-22 stsp *extensions = NULL;
421 20b7abb3 2020-10-22 stsp if (nextensions)
422 20b7abb3 2020-10-22 stsp *nextensions = 0;
423 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
424 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
425 2fb669fb 2020-03-20 stsp if (remotes)
426 2fb669fb 2020-03-20 stsp *remotes = NULL;
427 2fb669fb 2020-03-20 stsp if (nremotes)
428 2fb669fb 2020-03-20 stsp *nremotes = 0;
429 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
430 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
431 aba9c984 2019-09-08 stsp
432 aba9c984 2019-09-08 stsp fd = open(gitconfig_path, O_RDONLY);
433 aba9c984 2019-09-08 stsp if (fd == -1) {
434 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
435 aba9c984 2019-09-08 stsp return NULL;
436 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
437 aba9c984 2019-09-08 stsp }
438 aba9c984 2019-09-08 stsp
439 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
440 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
441 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
442 aba9c984 2019-09-08 stsp goto done;
443 aba9c984 2019-09-08 stsp }
444 aba9c984 2019-09-08 stsp
445 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
446 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
447 aba9c984 2019-09-08 stsp goto done;
448 aba9c984 2019-09-08 stsp }
449 aba9c984 2019-09-08 stsp
450 aba9c984 2019-09-08 stsp pid = fork();
451 aba9c984 2019-09-08 stsp if (pid == -1) {
452 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
453 aba9c984 2019-09-08 stsp goto done;
454 aba9c984 2019-09-08 stsp } else if (pid == 0) {
455 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
456 c9956ddf 2019-09-08 stsp gitconfig_path);
457 aba9c984 2019-09-08 stsp /* not reached */
458 aba9c984 2019-09-08 stsp }
459 aba9c984 2019-09-08 stsp
460 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
461 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
462 aba9c984 2019-09-08 stsp goto done;
463 85f51bba 2018-07-16 stsp }
464 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
465 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
466 aba9c984 2019-09-08 stsp
467 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
468 aba9c984 2019-09-08 stsp if (err)
469 aba9c984 2019-09-08 stsp goto done;
470 aba9c984 2019-09-08 stsp fd = -1;
471 aba9c984 2019-09-08 stsp
472 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
473 aba9c984 2019-09-08 stsp if (err)
474 aba9c984 2019-09-08 stsp goto done;
475 aba9c984 2019-09-08 stsp
476 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
477 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
478 aba9c984 2019-09-08 stsp if (err)
479 aba9c984 2019-09-08 stsp goto done;
480 aba9c984 2019-09-08 stsp
481 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
482 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
483 20b7abb3 2020-10-22 stsp ibuf);
484 20b7abb3 2020-10-22 stsp if (err)
485 20b7abb3 2020-10-22 stsp goto done;
486 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
487 20b7abb3 2020-10-22 stsp if (err)
488 20b7abb3 2020-10-22 stsp goto done;
489 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
490 20b7abb3 2020-10-22 stsp int i;
491 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
492 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
493 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
494 20b7abb3 2020-10-22 stsp goto done;
495 20b7abb3 2020-10-22 stsp }
496 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
497 20b7abb3 2020-10-22 stsp char *ext;
498 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
499 20b7abb3 2020-10-22 stsp ibuf);
500 20b7abb3 2020-10-22 stsp if (err)
501 20b7abb3 2020-10-22 stsp goto done;
502 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
503 20b7abb3 2020-10-22 stsp }
504 20b7abb3 2020-10-22 stsp }
505 20b7abb3 2020-10-22 stsp }
506 20b7abb3 2020-10-22 stsp
507 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
508 aba9c984 2019-09-08 stsp if (err)
509 aba9c984 2019-09-08 stsp goto done;
510 aba9c984 2019-09-08 stsp
511 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
512 aba9c984 2019-09-08 stsp if (err)
513 aba9c984 2019-09-08 stsp goto done;
514 aba9c984 2019-09-08 stsp
515 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
516 aba9c984 2019-09-08 stsp if (err)
517 aba9c984 2019-09-08 stsp goto done;
518 aba9c984 2019-09-08 stsp
519 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
520 aba9c984 2019-09-08 stsp if (err)
521 aba9c984 2019-09-08 stsp goto done;
522 cd95becd 2019-11-29 stsp
523 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
524 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
525 cd95becd 2019-11-29 stsp if (err)
526 cd95becd 2019-11-29 stsp goto done;
527 cd95becd 2019-11-29 stsp
528 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
529 cd95becd 2019-11-29 stsp nremotes, ibuf);
530 9a1cc63f 2020-02-03 stsp if (err)
531 9a1cc63f 2020-02-03 stsp goto done;
532 9a1cc63f 2020-02-03 stsp }
533 9a1cc63f 2020-02-03 stsp
534 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
535 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
536 cd95becd 2019-11-29 stsp if (err)
537 cd95becd 2019-11-29 stsp goto done;
538 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
539 9a1cc63f 2020-02-03 stsp if (err)
540 9a1cc63f 2020-02-03 stsp goto done;
541 cd95becd 2019-11-29 stsp }
542 aba9c984 2019-09-08 stsp
543 aba9c984 2019-09-08 stsp imsg_clear(ibuf);
544 aba9c984 2019-09-08 stsp err = got_privsep_send_stop(imsg_fds[0]);
545 aba9c984 2019-09-08 stsp child_err = got_privsep_wait_for_child(pid);
546 aba9c984 2019-09-08 stsp if (child_err && err == NULL)
547 aba9c984 2019-09-08 stsp err = child_err;
548 aba9c984 2019-09-08 stsp done:
549 aba9c984 2019-09-08 stsp if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
550 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
551 aba9c984 2019-09-08 stsp if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
552 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
553 aba9c984 2019-09-08 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
554 aba9c984 2019-09-08 stsp err = got_error_from_errno2("close", gitconfig_path);
555 aba9c984 2019-09-08 stsp free(ibuf);
556 c9956ddf 2019-09-08 stsp return err;
557 c9956ddf 2019-09-08 stsp }
558 c9956ddf 2019-09-08 stsp
559 c9956ddf 2019-09-08 stsp static const struct got_error *
560 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
561 c9956ddf 2019-09-08 stsp {
562 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
563 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
564 c9956ddf 2019-09-08 stsp
565 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
566 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
567 c9956ddf 2019-09-08 stsp int dummy_repo_version;
568 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&dummy_repo_version,
569 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
570 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
571 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
572 c9956ddf 2019-09-08 stsp if (err)
573 c9956ddf 2019-09-08 stsp return err;
574 c9956ddf 2019-09-08 stsp }
575 c9956ddf 2019-09-08 stsp
576 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
577 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
578 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
579 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
580 c9956ddf 2019-09-08 stsp
581 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&repo->gitconfig_repository_format_version,
582 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
583 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
584 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
585 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
586 c9956ddf 2019-09-08 stsp if (err)
587 c9956ddf 2019-09-08 stsp goto done;
588 c9956ddf 2019-09-08 stsp done:
589 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
590 257add31 2020-09-09 stsp return err;
591 257add31 2020-09-09 stsp }
592 257add31 2020-09-09 stsp
593 257add31 2020-09-09 stsp static const struct got_error *
594 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
595 257add31 2020-09-09 stsp {
596 257add31 2020-09-09 stsp const struct got_error *err = NULL;
597 257add31 2020-09-09 stsp char *gotconfig_path;
598 257add31 2020-09-09 stsp
599 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
600 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
601 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
602 257add31 2020-09-09 stsp
603 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
604 257add31 2020-09-09 stsp free(gotconfig_path);
605 85f51bba 2018-07-16 stsp return err;
606 85f51bba 2018-07-16 stsp }
607 85f51bba 2018-07-16 stsp
608 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
609 20b7abb3 2020-10-22 stsp static const char *repo_extensions[] = {
610 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
611 2252c019 2021-07-03 stsp "preciousObjects", /* Supported by gotadmin cleanup. */
612 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
613 20b7abb3 2020-10-22 stsp };
614 20b7abb3 2020-10-22 stsp
615 85f51bba 2018-07-16 stsp const struct got_error *
616 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
617 c9956ddf 2019-09-08 stsp const char *global_gitconfig_path)
618 85f51bba 2018-07-16 stsp {
619 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
620 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
621 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
622 16aeacf7 2020-11-26 stsp size_t i;
623 6c414261 2021-03-30 stsp struct rlimit rl;
624 4027f31a 2017-11-04 stsp
625 85f51bba 2018-07-16 stsp *repop = NULL;
626 6c414261 2021-03-30 stsp
627 6c414261 2021-03-30 stsp if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
628 6c414261 2021-03-30 stsp return got_error_from_errno("getrlimit");
629 4027f31a 2017-11-04 stsp
630 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
631 92af5469 2017-11-05 stsp if (repo == NULL) {
632 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
633 92af5469 2017-11-05 stsp goto done;
634 92af5469 2017-11-05 stsp }
635 4027f31a 2017-11-04 stsp
636 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
637 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
638 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
639 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
640 ad242220 2018-09-08 stsp }
641 ad242220 2018-09-08 stsp
642 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
643 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
644 6bef87be 2018-09-11 stsp if (err)
645 f6be5c30 2018-06-22 stsp goto done;
646 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
647 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
648 6bef87be 2018-09-11 stsp if (err)
649 1943de01 2018-06-22 stsp goto done;
650 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
651 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
652 6bef87be 2018-09-11 stsp if (err)
653 eb77ee11 2018-07-08 stsp goto done;
654 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
655 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
656 f4a881ce 2018-11-17 stsp if (err)
657 f4a881ce 2018-11-17 stsp goto done;
658 1943de01 2018-06-22 stsp
659 6c414261 2021-03-30 stsp repo->pack_cache_size = GOT_PACK_CACHE_SIZE;
660 6c414261 2021-03-30 stsp if (repo->pack_cache_size > rl.rlim_cur / 8)
661 6c414261 2021-03-30 stsp repo->pack_cache_size = rl.rlim_cur / 8;
662 6c414261 2021-03-30 stsp
663 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
664 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
665 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
666 92af5469 2017-11-05 stsp goto done;
667 92af5469 2017-11-05 stsp }
668 4027f31a 2017-11-04 stsp
669 aff6eea4 2020-10-20 stsp for (;;) {
670 aff6eea4 2020-10-20 stsp char *parent_path;
671 aff6eea4 2020-10-20 stsp
672 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
673 85f51bba 2018-07-16 stsp if (err == NULL)
674 85f51bba 2018-07-16 stsp break;
675 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
676 9aceaadf 2020-10-20 stsp goto done;
677 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
678 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
679 0c93d204 2020-10-20 stsp goto done;
680 442a3ddc 2018-04-23 stsp }
681 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
682 aff6eea4 2020-10-20 stsp if (err)
683 f2db9c47 2019-08-24 stsp goto done;
684 aff6eea4 2020-10-20 stsp free(repo_path);
685 aff6eea4 2020-10-20 stsp repo_path = parent_path;
686 aff6eea4 2020-10-20 stsp }
687 1d126e2d 2019-08-24 stsp
688 257add31 2020-09-09 stsp err = read_gotconfig(repo);
689 257add31 2020-09-09 stsp if (err)
690 257add31 2020-09-09 stsp goto done;
691 257add31 2020-09-09 stsp
692 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
693 1d126e2d 2019-08-24 stsp if (err)
694 1d126e2d 2019-08-24 stsp goto done;
695 aba9c984 2019-09-08 stsp if (repo->gitconfig_repository_format_version != 0)
696 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
697 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
698 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
699 20b7abb3 2020-10-22 stsp int j, supported = 0;
700 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
701 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
702 20b7abb3 2020-10-22 stsp supported = 1;
703 20b7abb3 2020-10-22 stsp break;
704 20b7abb3 2020-10-22 stsp }
705 20b7abb3 2020-10-22 stsp }
706 20b7abb3 2020-10-22 stsp if (!supported) {
707 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
708 20b7abb3 2020-10-22 stsp goto done;
709 20b7abb3 2020-10-22 stsp }
710 20b7abb3 2020-10-22 stsp }
711 92af5469 2017-11-05 stsp done:
712 92af5469 2017-11-05 stsp if (err)
713 5c2f5761 2018-09-19 stsp got_repo_close(repo);
714 85f51bba 2018-07-16 stsp else
715 85f51bba 2018-07-16 stsp *repop = repo;
716 aff6eea4 2020-10-20 stsp free(repo_path);
717 92af5469 2017-11-05 stsp return err;
718 4027f31a 2017-11-04 stsp }
719 4027f31a 2017-11-04 stsp
720 ad242220 2018-09-08 stsp const struct got_error *
721 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
722 4027f31a 2017-11-04 stsp {
723 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
724 16aeacf7 2020-11-26 stsp size_t i;
725 79b11c62 2018-03-09 stsp
726 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
727 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
728 79b11c62 2018-03-09 stsp break;
729 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
730 79b11c62 2018-03-09 stsp }
731 bd1223b9 2018-03-14 stsp
732 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
733 7e656b93 2018-03-17 stsp if (repo->packs[i].path_packfile == NULL)
734 7e656b93 2018-03-17 stsp break;
735 7e656b93 2018-03-17 stsp got_pack_close(&repo->packs[i]);
736 7e656b93 2018-03-17 stsp }
737 7e656b93 2018-03-17 stsp
738 4027f31a 2017-11-04 stsp free(repo->path);
739 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
740 cd717821 2018-06-22 stsp
741 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
742 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
743 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
744 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
745 ad242220 2018-09-08 stsp
746 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
747 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
748 ad242220 2018-09-08 stsp continue;
749 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
750 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
751 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
752 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
753 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
754 ad242220 2018-09-08 stsp if (child_err && err == NULL)
755 ad242220 2018-09-08 stsp err = child_err;
756 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
757 3a6ce05a 2019-02-11 stsp err == NULL)
758 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
759 ad242220 2018-09-08 stsp }
760 aba9c984 2019-09-08 stsp
761 1d0f4054 2021-06-17 stsp if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
762 1d0f4054 2021-06-17 stsp err == NULL)
763 1d0f4054 2021-06-17 stsp err = got_error_from_errno("close");
764 991ff1aa 2021-06-15 tracey
765 50b0790e 2020-09-11 stsp if (repo->gotconfig)
766 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
767 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
768 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
769 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
770 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
771 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
772 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
773 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
774 20b7abb3 2020-10-22 stsp free(repo->extensions);
775 4027f31a 2017-11-04 stsp free(repo);
776 ad242220 2018-09-08 stsp
777 ad242220 2018-09-08 stsp return err;
778 b8adfa55 2020-09-25 stsp }
779 b8adfa55 2020-09-25 stsp
780 b8adfa55 2020-09-25 stsp void
781 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
782 b8adfa55 2020-09-25 stsp {
783 b8adfa55 2020-09-25 stsp int i;
784 b8adfa55 2020-09-25 stsp
785 b8adfa55 2020-09-25 stsp free(repo->name);
786 b8adfa55 2020-09-25 stsp repo->name = NULL;
787 6480c871 2021-08-30 stsp free(repo->fetch_url);
788 6480c871 2021-08-30 stsp repo->fetch_url = NULL;
789 6480c871 2021-08-30 stsp free(repo->send_url);
790 6480c871 2021-08-30 stsp repo->send_url = NULL;
791 6480c871 2021-08-30 stsp for (i = 0; i < repo->nfetch_branches; i++)
792 6480c871 2021-08-30 stsp free(repo->fetch_branches[i]);
793 6480c871 2021-08-30 stsp free(repo->fetch_branches);
794 6480c871 2021-08-30 stsp repo->fetch_branches = NULL;
795 6480c871 2021-08-30 stsp repo->nfetch_branches = 0;
796 6480c871 2021-08-30 stsp for (i = 0; i < repo->nsend_branches; i++)
797 6480c871 2021-08-30 stsp free(repo->send_branches[i]);
798 6480c871 2021-08-30 stsp free(repo->send_branches);
799 6480c871 2021-08-30 stsp repo->send_branches = NULL;
800 6480c871 2021-08-30 stsp repo->nsend_branches = 0;
801 4027f31a 2017-11-04 stsp }
802 04ca23f4 2018-07-16 stsp
803 04ca23f4 2018-07-16 stsp const struct got_error *
804 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
805 8fa913ec 2020-11-14 stsp const char *input_path)
806 04ca23f4 2018-07-16 stsp {
807 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
808 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
809 e83c0634 2020-01-27 stsp size_t repolen, len;
810 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
811 04ca23f4 2018-07-16 stsp
812 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
813 04ca23f4 2018-07-16 stsp
814 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
815 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
816 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
817 04ca23f4 2018-07-16 stsp goto done;
818 04ca23f4 2018-07-16 stsp }
819 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
820 04ca23f4 2018-07-16 stsp if (err)
821 04ca23f4 2018-07-16 stsp goto done;
822 04ca23f4 2018-07-16 stsp
823 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
824 04ca23f4 2018-07-16 stsp
825 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
826 23721109 2018-10-22 stsp path = strdup(canonpath);
827 b70703ad 2019-03-18 stsp if (path == NULL) {
828 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
829 04ca23f4 2018-07-16 stsp goto done;
830 04ca23f4 2018-07-16 stsp }
831 04ca23f4 2018-07-16 stsp } else {
832 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
833 04ca23f4 2018-07-16 stsp if (path == NULL) {
834 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
835 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
836 230a42bd 2019-05-11 jcs canonpath);
837 b70703ad 2019-03-18 stsp goto done;
838 b70703ad 2019-03-18 stsp }
839 b70703ad 2019-03-18 stsp /*
840 b70703ad 2019-03-18 stsp * Path is not on disk.
841 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
842 b70703ad 2019-03-18 stsp */
843 b70703ad 2019-03-18 stsp path = strdup(canonpath);
844 b70703ad 2019-03-18 stsp if (path == NULL) {
845 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
846 b70703ad 2019-03-18 stsp goto done;
847 b70703ad 2019-03-18 stsp }
848 04ca23f4 2018-07-16 stsp }
849 04ca23f4 2018-07-16 stsp
850 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
851 04ca23f4 2018-07-16 stsp len = strlen(path);
852 04ca23f4 2018-07-16 stsp
853 04ca23f4 2018-07-16 stsp
854 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
855 04ca23f4 2018-07-16 stsp free(path);
856 04ca23f4 2018-07-16 stsp path = strdup("");
857 04ca23f4 2018-07-16 stsp if (path == NULL) {
858 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
859 04ca23f4 2018-07-16 stsp goto done;
860 04ca23f4 2018-07-16 stsp }
861 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
862 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
863 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
864 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
865 04ca23f4 2018-07-16 stsp /*
866 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
867 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
868 04ca23f4 2018-07-16 stsp */
869 abc59930 2021-09-05 naddy free(path);
870 abc59930 2021-09-05 naddy path = canonpath;
871 abc59930 2021-09-05 naddy canonpath = NULL;
872 04ca23f4 2018-07-16 stsp } else {
873 04ca23f4 2018-07-16 stsp char *child;
874 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
875 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
876 04ca23f4 2018-07-16 stsp repo_abspath, path);
877 04ca23f4 2018-07-16 stsp if (err)
878 04ca23f4 2018-07-16 stsp goto done;
879 04ca23f4 2018-07-16 stsp free(path);
880 04ca23f4 2018-07-16 stsp path = child;
881 04ca23f4 2018-07-16 stsp }
882 04ca23f4 2018-07-16 stsp } else {
883 04ca23f4 2018-07-16 stsp /*
884 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
885 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
886 04ca23f4 2018-07-16 stsp */
887 abc59930 2021-09-05 naddy free(path);
888 abc59930 2021-09-05 naddy path = canonpath;
889 abc59930 2021-09-05 naddy canonpath = NULL;
890 04ca23f4 2018-07-16 stsp }
891 04ca23f4 2018-07-16 stsp }
892 04ca23f4 2018-07-16 stsp
893 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
894 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
895 04ca23f4 2018-07-16 stsp char *abspath;
896 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
897 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
898 04ca23f4 2018-07-16 stsp goto done;
899 04ca23f4 2018-07-16 stsp }
900 04ca23f4 2018-07-16 stsp free(path);
901 04ca23f4 2018-07-16 stsp path = abspath;
902 04ca23f4 2018-07-16 stsp }
903 04ca23f4 2018-07-16 stsp
904 04ca23f4 2018-07-16 stsp done:
905 04ca23f4 2018-07-16 stsp free(canonpath);
906 04ca23f4 2018-07-16 stsp if (err)
907 04ca23f4 2018-07-16 stsp free(path);
908 04ca23f4 2018-07-16 stsp else
909 04ca23f4 2018-07-16 stsp *in_repo_path = path;
910 1510f469 2018-09-09 stsp return err;
911 1510f469 2018-09-09 stsp }
912 1510f469 2018-09-09 stsp
913 e1a68182 2020-01-07 stsp static const struct got_error *
914 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
915 e1a68182 2020-01-07 stsp const char *path_packidx)
916 1510f469 2018-09-09 stsp {
917 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
918 16aeacf7 2020-11-26 stsp size_t i;
919 1510f469 2018-09-09 stsp
920 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
921 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
922 1510f469 2018-09-09 stsp break;
923 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
924 e1a68182 2020-01-07 stsp path_packidx) == 0) {
925 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
926 e1a68182 2020-01-07 stsp }
927 1510f469 2018-09-09 stsp }
928 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
929 1510f469 2018-09-09 stsp err = got_packidx_close(repo->packidx_cache[i - 1]);
930 1510f469 2018-09-09 stsp if (err)
931 1510f469 2018-09-09 stsp return err;
932 1510f469 2018-09-09 stsp }
933 1510f469 2018-09-09 stsp
934 15fe583f 2018-11-05 stsp /*
935 15fe583f 2018-11-05 stsp * Insert the new pack index at the front so it will
936 15fe583f 2018-11-05 stsp * be searched first in the future.
937 15fe583f 2018-11-05 stsp */
938 15fe583f 2018-11-05 stsp memmove(&repo->packidx_cache[1], &repo->packidx_cache[0],
939 15fe583f 2018-11-05 stsp sizeof(repo->packidx_cache) -
940 15fe583f 2018-11-05 stsp sizeof(repo->packidx_cache[0]));
941 15fe583f 2018-11-05 stsp repo->packidx_cache[0] = packidx;
942 15fe583f 2018-11-05 stsp
943 1510f469 2018-09-09 stsp return NULL;
944 1510f469 2018-09-09 stsp }
945 1510f469 2018-09-09 stsp
946 1124fe40 2021-07-07 stsp int
947 1124fe40 2021-07-07 stsp got_repo_is_packidx_filename(const char *name, size_t len)
948 1510f469 2018-09-09 stsp {
949 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
950 1510f469 2018-09-09 stsp return 0;
951 1510f469 2018-09-09 stsp
952 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
953 1510f469 2018-09-09 stsp return 0;
954 1510f469 2018-09-09 stsp
955 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
956 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
957 1510f469 2018-09-09 stsp return 0;
958 1510f469 2018-09-09 stsp
959 1510f469 2018-09-09 stsp return 1;
960 1510f469 2018-09-09 stsp }
961 1510f469 2018-09-09 stsp
962 1510f469 2018-09-09 stsp const struct got_error *
963 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
964 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
965 1510f469 2018-09-09 stsp {
966 1510f469 2018-09-09 stsp const struct got_error *err;
967 6d5a9006 2020-12-16 yzhong DIR *packdir = NULL;
968 1510f469 2018-09-09 stsp struct dirent *dent;
969 1510f469 2018-09-09 stsp char *path_packidx;
970 16aeacf7 2020-11-26 stsp size_t i;
971 6d5a9006 2020-12-16 yzhong int packdir_fd;
972 1510f469 2018-09-09 stsp
973 1510f469 2018-09-09 stsp /* Search pack index cache. */
974 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
975 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
976 1510f469 2018-09-09 stsp break;
977 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
978 1510f469 2018-09-09 stsp if (*idx != -1) {
979 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
980 87c1ed2b 2020-01-07 stsp /*
981 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
982 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
983 87c1ed2b 2020-01-07 stsp */
984 87c1ed2b 2020-01-07 stsp if (i > 0) {
985 87c1ed2b 2020-01-07 stsp struct got_packidx *p;
986 87c1ed2b 2020-01-07 stsp p = repo->packidx_cache[0];
987 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
988 87c1ed2b 2020-01-07 stsp repo->packidx_cache[i] = p;
989 87c1ed2b 2020-01-07 stsp }
990 1510f469 2018-09-09 stsp return NULL;
991 1510f469 2018-09-09 stsp }
992 1510f469 2018-09-09 stsp }
993 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
994 1510f469 2018-09-09 stsp
995 6d5a9006 2020-12-16 yzhong packdir_fd = openat(got_repo_get_fd(repo),
996 6d5a9006 2020-12-16 yzhong GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
997 6d5a9006 2020-12-16 yzhong if (packdir_fd == -1) {
998 b90deaa1 2019-07-27 stsp if (errno == ENOENT)
999 b90deaa1 2019-07-27 stsp err = got_error_no_obj(id);
1000 b90deaa1 2019-07-27 stsp else
1001 6d5a9006 2020-12-16 yzhong err = got_error_from_errno_fmt("openat: %s/%s",
1002 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo),
1003 6d5a9006 2020-12-16 yzhong GOT_OBJECTS_PACK_DIR);
1004 1510f469 2018-09-09 stsp goto done;
1005 1510f469 2018-09-09 stsp }
1006 1510f469 2018-09-09 stsp
1007 6d5a9006 2020-12-16 yzhong packdir = fdopendir(packdir_fd);
1008 6d5a9006 2020-12-16 yzhong if (packdir == NULL) {
1009 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("fdopendir");
1010 6d5a9006 2020-12-16 yzhong goto done;
1011 6d5a9006 2020-12-16 yzhong }
1012 6d5a9006 2020-12-16 yzhong
1013 1510f469 2018-09-09 stsp while ((dent = readdir(packdir)) != NULL) {
1014 e1a68182 2020-01-07 stsp int is_cached = 0;
1015 e1a68182 2020-01-07 stsp
1016 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
1017 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
1018 1510f469 2018-09-09 stsp continue;
1019 1510f469 2018-09-09 stsp
1020 6d5a9006 2020-12-16 yzhong if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1021 1510f469 2018-09-09 stsp dent->d_name) == -1) {
1022 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1023 1510f469 2018-09-09 stsp goto done;
1024 e1a68182 2020-01-07 stsp }
1025 e1a68182 2020-01-07 stsp
1026 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1027 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1028 e1a68182 2020-01-07 stsp break;
1029 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1030 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1031 e1a68182 2020-01-07 stsp is_cached = 1;
1032 e1a68182 2020-01-07 stsp break;
1033 e1a68182 2020-01-07 stsp }
1034 1510f469 2018-09-09 stsp }
1035 e1a68182 2020-01-07 stsp if (is_cached) {
1036 e1a68182 2020-01-07 stsp free(path_packidx);
1037 e1a68182 2020-01-07 stsp continue; /* already searched */
1038 e1a68182 2020-01-07 stsp }
1039 1510f469 2018-09-09 stsp
1040 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1041 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1042 e1a68182 2020-01-07 stsp if (err) {
1043 e1a68182 2020-01-07 stsp free(path_packidx);
1044 e1a68182 2020-01-07 stsp goto done;
1045 e1a68182 2020-01-07 stsp }
1046 e1a68182 2020-01-07 stsp
1047 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1048 1510f469 2018-09-09 stsp free(path_packidx);
1049 1510f469 2018-09-09 stsp if (err)
1050 1510f469 2018-09-09 stsp goto done;
1051 1510f469 2018-09-09 stsp
1052 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1053 1510f469 2018-09-09 stsp if (*idx != -1) {
1054 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1055 1510f469 2018-09-09 stsp goto done;
1056 1510f469 2018-09-09 stsp }
1057 1510f469 2018-09-09 stsp }
1058 1510f469 2018-09-09 stsp
1059 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1060 1510f469 2018-09-09 stsp done:
1061 d69bcdf7 2019-06-28 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1062 638f9024 2019-05-13 stsp err = got_error_from_errno("closedir");
1063 04ca23f4 2018-07-16 stsp return err;
1064 04ca23f4 2018-07-16 stsp }
1065 1510f469 2018-09-09 stsp
1066 1510f469 2018-09-09 stsp static const struct got_error *
1067 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1068 1510f469 2018-09-09 stsp {
1069 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1070 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1071 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1072 1510f469 2018-09-09 stsp ssize_t n;
1073 1510f469 2018-09-09 stsp
1074 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1075 1510f469 2018-09-09 stsp if (n < 0)
1076 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1077 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1078 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1079 1510f469 2018-09-09 stsp
1080 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1081 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1082 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1083 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1084 1510f469 2018-09-09 stsp
1085 1510f469 2018-09-09 stsp return err;
1086 1510f469 2018-09-09 stsp }
1087 1510f469 2018-09-09 stsp
1088 1510f469 2018-09-09 stsp static const struct got_error *
1089 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1090 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1091 1510f469 2018-09-09 stsp {
1092 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1093 1510f469 2018-09-09 stsp
1094 6d5a9006 2020-12-16 yzhong *fd = openat(got_repo_get_fd(repo), relpath, O_RDONLY | O_NOFOLLOW);
1095 1510f469 2018-09-09 stsp if (*fd == -1)
1096 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1097 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1098 1510f469 2018-09-09 stsp
1099 1510f469 2018-09-09 stsp if (packidx) {
1100 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1101 1510f469 2018-09-09 stsp if (err) {
1102 1510f469 2018-09-09 stsp close(*fd);
1103 1510f469 2018-09-09 stsp *fd = -1;
1104 1510f469 2018-09-09 stsp }
1105 1510f469 2018-09-09 stsp }
1106 1510f469 2018-09-09 stsp
1107 1510f469 2018-09-09 stsp return err;
1108 1510f469 2018-09-09 stsp }
1109 1510f469 2018-09-09 stsp
1110 1510f469 2018-09-09 stsp const struct got_error *
1111 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1112 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1113 1510f469 2018-09-09 stsp {
1114 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1115 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1116 ff563a3d 2019-05-23 stsp struct stat sb;
1117 16aeacf7 2020-11-26 stsp size_t i;
1118 1510f469 2018-09-09 stsp
1119 1510f469 2018-09-09 stsp if (packp)
1120 1510f469 2018-09-09 stsp *packp = NULL;
1121 1510f469 2018-09-09 stsp
1122 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1123 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1124 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1125 1510f469 2018-09-09 stsp break;
1126 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1127 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1128 1510f469 2018-09-09 stsp }
1129 1510f469 2018-09-09 stsp
1130 6c414261 2021-03-30 stsp if (i == repo->pack_cache_size) {
1131 1510f469 2018-09-09 stsp err = got_pack_close(&repo->packs[i - 1]);
1132 1510f469 2018-09-09 stsp if (err)
1133 1510f469 2018-09-09 stsp return err;
1134 1510f469 2018-09-09 stsp memmove(&repo->packs[1], &repo->packs[0],
1135 1510f469 2018-09-09 stsp sizeof(repo->packs) - sizeof(repo->packs[0]));
1136 1510f469 2018-09-09 stsp i = 0;
1137 1510f469 2018-09-09 stsp }
1138 1510f469 2018-09-09 stsp
1139 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1140 1510f469 2018-09-09 stsp
1141 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1142 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1143 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1144 1510f469 2018-09-09 stsp goto done;
1145 1510f469 2018-09-09 stsp }
1146 1510f469 2018-09-09 stsp
1147 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1148 1510f469 2018-09-09 stsp if (err)
1149 1510f469 2018-09-09 stsp goto done;
1150 1510f469 2018-09-09 stsp
1151 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1152 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1153 1510f469 2018-09-09 stsp goto done;
1154 ff563a3d 2019-05-23 stsp }
1155 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1156 90636195 2018-09-11 stsp
1157 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1158 1510f469 2018-09-09 stsp
1159 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1160 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1161 1510f469 2018-09-09 stsp pack->fd, 0);
1162 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1163 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1164 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1165 3a11398b 2019-02-21 stsp goto done;
1166 3a11398b 2019-02-21 stsp }
1167 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1168 3a11398b 2019-02-21 stsp }
1169 1510f469 2018-09-09 stsp #endif
1170 1510f469 2018-09-09 stsp done:
1171 1510f469 2018-09-09 stsp if (err) {
1172 1510f469 2018-09-09 stsp if (pack) {
1173 1510f469 2018-09-09 stsp free(pack->path_packfile);
1174 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1175 1510f469 2018-09-09 stsp }
1176 1510f469 2018-09-09 stsp } else if (packp)
1177 1510f469 2018-09-09 stsp *packp = pack;
1178 1510f469 2018-09-09 stsp return err;
1179 1510f469 2018-09-09 stsp }
1180 1510f469 2018-09-09 stsp
1181 1510f469 2018-09-09 stsp struct got_pack *
1182 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1183 1510f469 2018-09-09 stsp {
1184 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1185 16aeacf7 2020-11-26 stsp size_t i;
1186 1510f469 2018-09-09 stsp
1187 6c414261 2021-03-30 stsp for (i = 0; i < repo->pack_cache_size; i++) {
1188 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1189 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1190 1510f469 2018-09-09 stsp break;
1191 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1192 1510f469 2018-09-09 stsp return pack;
1193 2c7829a4 2019-06-17 stsp }
1194 2c7829a4 2019-06-17 stsp
1195 2c7829a4 2019-06-17 stsp return NULL;
1196 2c7829a4 2019-06-17 stsp }
1197 2c7829a4 2019-06-17 stsp
1198 2c7829a4 2019-06-17 stsp const struct got_error *
1199 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1200 2c7829a4 2019-06-17 stsp {
1201 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1202 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1203 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1204 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1205 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1206 2c7829a4 2019-06-17 stsp };
1207 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1208 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1209 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1210 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1211 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1212 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1213 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1214 2c7829a4 2019-06-17 stsp char *path;
1215 16aeacf7 2020-11-26 stsp size_t i;
1216 2c7829a4 2019-06-17 stsp
1217 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1218 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1219 2c7829a4 2019-06-17 stsp
1220 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1221 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1222 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1223 2c7829a4 2019-06-17 stsp }
1224 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1225 2c7829a4 2019-06-17 stsp free(path);
1226 2c7829a4 2019-06-17 stsp if (err)
1227 2c7829a4 2019-06-17 stsp return err;
1228 1510f469 2018-09-09 stsp }
1229 1510f469 2018-09-09 stsp
1230 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1231 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1232 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1233 2c7829a4 2019-06-17 stsp free(path);
1234 2c7829a4 2019-06-17 stsp if (err)
1235 2c7829a4 2019-06-17 stsp return err;
1236 2c7829a4 2019-06-17 stsp
1237 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1238 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1239 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1240 2c7829a4 2019-06-17 stsp free(path);
1241 2c7829a4 2019-06-17 stsp if (err)
1242 2c7829a4 2019-06-17 stsp return err;
1243 2c7829a4 2019-06-17 stsp
1244 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1245 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1246 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1247 2c7829a4 2019-06-17 stsp free(path);
1248 2c7829a4 2019-06-17 stsp if (err)
1249 2c7829a4 2019-06-17 stsp return err;
1250 2c7829a4 2019-06-17 stsp
1251 1510f469 2018-09-09 stsp return NULL;
1252 e09a504c 2019-06-28 stsp }
1253 e09a504c 2019-06-28 stsp
1254 e09a504c 2019-06-28 stsp static const struct got_error *
1255 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1256 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1257 e09a504c 2019-06-28 stsp {
1258 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1259 6d5a9006 2020-12-16 yzhong DIR *packdir = NULL;
1260 e09a504c 2019-06-28 stsp struct dirent *dent;
1261 e09a504c 2019-06-28 stsp char *path_packidx;
1262 dd88155e 2019-06-29 stsp struct got_object_id_queue matched_ids;
1263 6d5a9006 2020-12-16 yzhong int packdir_fd;
1264 e09a504c 2019-06-28 stsp
1265 dbdddfee 2021-06-23 naddy STAILQ_INIT(&matched_ids);
1266 dd88155e 2019-06-29 stsp
1267 6d5a9006 2020-12-16 yzhong packdir_fd = openat(got_repo_get_fd(repo),
1268 6d5a9006 2020-12-16 yzhong GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
1269 6d5a9006 2020-12-16 yzhong if (packdir_fd == -1) {
1270 e4167f30 2019-07-27 stsp if (errno != ENOENT)
1271 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("openat", GOT_OBJECTS_PACK_DIR);
1272 6d5a9006 2020-12-16 yzhong goto done;
1273 6d5a9006 2020-12-16 yzhong }
1274 6d5a9006 2020-12-16 yzhong
1275 6d5a9006 2020-12-16 yzhong packdir = fdopendir(packdir_fd);
1276 6d5a9006 2020-12-16 yzhong if (packdir == NULL) {
1277 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("fdopendir");
1278 e09a504c 2019-06-28 stsp goto done;
1279 e09a504c 2019-06-28 stsp }
1280 e09a504c 2019-06-28 stsp
1281 e09a504c 2019-06-28 stsp while ((dent = readdir(packdir)) != NULL) {
1282 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1283 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1284 dd88155e 2019-06-29 stsp
1285 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
1286 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
1287 e09a504c 2019-06-28 stsp continue;
1288 e09a504c 2019-06-28 stsp
1289 6d5a9006 2020-12-16 yzhong if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1290 e09a504c 2019-06-28 stsp dent->d_name) == -1) {
1291 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("strdup");
1292 4277420a 2019-06-29 stsp break;
1293 e09a504c 2019-06-28 stsp }
1294 e09a504c 2019-06-28 stsp
1295 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1296 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1297 e09a504c 2019-06-28 stsp free(path_packidx);
1298 e09a504c 2019-06-28 stsp if (err)
1299 4277420a 2019-06-29 stsp break;
1300 e09a504c 2019-06-28 stsp
1301 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1302 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1303 4277420a 2019-06-29 stsp if (err) {
1304 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1305 4277420a 2019-06-29 stsp break;
1306 4277420a 2019-06-29 stsp }
1307 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1308 dd88155e 2019-06-29 stsp if (err)
1309 e09a504c 2019-06-28 stsp break;
1310 e09a504c 2019-06-28 stsp
1311 dbdddfee 2021-06-23 naddy STAILQ_FOREACH(qid, &matched_ids, entry) {
1312 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1313 dd88155e 2019-06-29 stsp int matched_type;
1314 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1315 dd88155e 2019-06-29 stsp qid->id);
1316 dd88155e 2019-06-29 stsp if (err)
1317 dd88155e 2019-06-29 stsp goto done;
1318 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1319 dd88155e 2019-06-29 stsp continue;
1320 dd88155e 2019-06-29 stsp }
1321 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1322 dd88155e 2019-06-29 stsp *unique_id = got_object_id_dup(qid->id);
1323 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1324 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1325 dd88155e 2019-06-29 stsp goto done;
1326 dd88155e 2019-06-29 stsp }
1327 4277420a 2019-06-29 stsp } else {
1328 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, qid->id) == 0)
1329 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1330 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1331 561c3678 2019-07-02 stsp goto done;
1332 e09a504c 2019-06-28 stsp }
1333 e09a504c 2019-06-28 stsp }
1334 e09a504c 2019-06-28 stsp }
1335 e09a504c 2019-06-28 stsp done:
1336 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1337 e09a504c 2019-06-28 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1338 e09a504c 2019-06-28 stsp err = got_error_from_errno("closedir");
1339 e09a504c 2019-06-28 stsp if (err) {
1340 e09a504c 2019-06-28 stsp free(*unique_id);
1341 e09a504c 2019-06-28 stsp *unique_id = NULL;
1342 e09a504c 2019-06-28 stsp }
1343 e09a504c 2019-06-28 stsp return err;
1344 e09a504c 2019-06-28 stsp }
1345 e09a504c 2019-06-28 stsp
1346 e09a504c 2019-06-28 stsp static const struct got_error *
1347 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1348 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1349 e09a504c 2019-06-28 stsp struct got_repository *repo)
1350 e09a504c 2019-06-28 stsp {
1351 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1352 e09a504c 2019-06-28 stsp char *path;
1353 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1354 e09a504c 2019-06-28 stsp struct dirent *dent;
1355 e09a504c 2019-06-28 stsp struct got_object_id id;
1356 e09a504c 2019-06-28 stsp
1357 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1358 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1359 e09a504c 2019-06-28 stsp goto done;
1360 e09a504c 2019-06-28 stsp }
1361 e09a504c 2019-06-28 stsp
1362 e09a504c 2019-06-28 stsp dir = opendir(path);
1363 e09a504c 2019-06-28 stsp if (dir == NULL) {
1364 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1365 4277420a 2019-06-29 stsp err = NULL;
1366 4277420a 2019-06-29 stsp goto done;
1367 4277420a 2019-06-29 stsp }
1368 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1369 e09a504c 2019-06-28 stsp goto done;
1370 e09a504c 2019-06-28 stsp }
1371 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1372 e09a504c 2019-06-28 stsp char *id_str;
1373 5903ff6e 2019-06-29 stsp int cmp;
1374 5903ff6e 2019-06-29 stsp
1375 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1376 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1377 e09a504c 2019-06-28 stsp continue;
1378 e09a504c 2019-06-28 stsp
1379 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1380 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1381 e09a504c 2019-06-28 stsp goto done;
1382 e09a504c 2019-06-28 stsp }
1383 e09a504c 2019-06-28 stsp
1384 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1385 e09a504c 2019-06-28 stsp continue;
1386 e09a504c 2019-06-28 stsp
1387 52d1d0d9 2019-07-07 stsp /*
1388 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1389 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1390 52d1d0d9 2019-07-07 stsp */
1391 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1392 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1393 e09a504c 2019-06-28 stsp free(id_str);
1394 e09a504c 2019-06-28 stsp continue;
1395 e09a504c 2019-06-28 stsp }
1396 e09a504c 2019-06-28 stsp
1397 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1398 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1399 dd88155e 2019-06-29 stsp int matched_type;
1400 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1401 dd88155e 2019-06-29 stsp &id);
1402 dd88155e 2019-06-29 stsp if (err)
1403 dd88155e 2019-06-29 stsp goto done;
1404 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1405 dd88155e 2019-06-29 stsp continue;
1406 dd88155e 2019-06-29 stsp }
1407 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1408 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1409 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1410 e09a504c 2019-06-28 stsp free(id_str);
1411 e09a504c 2019-06-28 stsp goto done;
1412 e09a504c 2019-06-28 stsp }
1413 e09a504c 2019-06-28 stsp } else {
1414 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1415 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1416 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1417 e09a504c 2019-06-28 stsp free(id_str);
1418 e09a504c 2019-06-28 stsp goto done;
1419 e09a504c 2019-06-28 stsp }
1420 e09a504c 2019-06-28 stsp }
1421 e09a504c 2019-06-28 stsp done:
1422 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1423 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1424 e09a504c 2019-06-28 stsp if (err) {
1425 e09a504c 2019-06-28 stsp free(*unique_id);
1426 e09a504c 2019-06-28 stsp *unique_id = NULL;
1427 e09a504c 2019-06-28 stsp }
1428 e09a504c 2019-06-28 stsp free(path);
1429 e09a504c 2019-06-28 stsp return err;
1430 1510f469 2018-09-09 stsp }
1431 e09a504c 2019-06-28 stsp
1432 e09a504c 2019-06-28 stsp const struct got_error *
1433 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1434 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1435 e09a504c 2019-06-28 stsp {
1436 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1437 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1438 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1439 e09a504c 2019-06-28 stsp size_t len;
1440 4277420a 2019-06-29 stsp int i;
1441 e09a504c 2019-06-28 stsp
1442 4277420a 2019-06-29 stsp *id = NULL;
1443 4277420a 2019-06-29 stsp
1444 4277420a 2019-06-29 stsp for (i = 0; i < strlen(id_str_prefix); i++) {
1445 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1446 4277420a 2019-06-29 stsp continue;
1447 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1448 4277420a 2019-06-29 stsp }
1449 4277420a 2019-06-29 stsp
1450 e09a504c 2019-06-28 stsp len = strlen(id_str_prefix);
1451 e09a504c 2019-06-28 stsp if (len >= 2) {
1452 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1453 4277420a 2019-06-29 stsp if (err)
1454 83c8b3b8 2019-06-29 stsp goto done;
1455 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1456 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1457 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1458 83c8b3b8 2019-06-29 stsp goto done;
1459 83c8b3b8 2019-06-29 stsp }
1460 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1461 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1462 e09a504c 2019-06-28 stsp } else if (len == 1) {
1463 e09a504c 2019-06-28 stsp int i;
1464 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1465 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1466 83c8b3b8 2019-06-29 stsp == -1) {
1467 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1468 83c8b3b8 2019-06-29 stsp goto done;
1469 83c8b3b8 2019-06-29 stsp }
1470 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1471 dd88155e 2019-06-29 stsp obj_type);
1472 4277420a 2019-06-29 stsp if (err)
1473 83c8b3b8 2019-06-29 stsp goto done;
1474 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1475 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1476 e09a504c 2019-06-28 stsp if (err)
1477 83c8b3b8 2019-06-29 stsp goto done;
1478 e09a504c 2019-06-28 stsp }
1479 83c8b3b8 2019-06-29 stsp } else {
1480 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1481 83c8b3b8 2019-06-29 stsp goto done;
1482 83c8b3b8 2019-06-29 stsp }
1483 83c8b3b8 2019-06-29 stsp done:
1484 e09a504c 2019-06-28 stsp free(object_dir);
1485 4277420a 2019-06-29 stsp if (err) {
1486 4277420a 2019-06-29 stsp free(*id);
1487 4277420a 2019-06-29 stsp *id = NULL;
1488 4277420a 2019-06-29 stsp } else if (*id == NULL)
1489 86d8a25a 2020-04-19 stsp err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1490 303e2782 2019-08-09 stsp
1491 303e2782 2019-08-09 stsp return err;
1492 303e2782 2019-08-09 stsp }
1493 303e2782 2019-08-09 stsp
1494 303e2782 2019-08-09 stsp const struct got_error *
1495 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1496 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1497 71a27632 2020-01-15 stsp struct got_repository *repo)
1498 71a27632 2020-01-15 stsp {
1499 71a27632 2020-01-15 stsp const struct got_error *err;
1500 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1501 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1502 71a27632 2020-01-15 stsp
1503 71a27632 2020-01-15 stsp *id = NULL;
1504 71a27632 2020-01-15 stsp if (label)
1505 71a27632 2020-01-15 stsp *label = NULL;
1506 71a27632 2020-01-15 stsp
1507 84de9106 2020-12-26 stsp if (refs) {
1508 71a27632 2020-01-15 stsp err = got_repo_object_match_tag(&tag, id_str, GOT_OBJ_TYPE_ANY,
1509 84de9106 2020-12-26 stsp refs, repo);
1510 71a27632 2020-01-15 stsp if (err == NULL) {
1511 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1512 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1513 71a27632 2020-01-15 stsp if (*id == NULL)
1514 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1515 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1516 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1517 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1518 71a27632 2020-01-15 stsp free(*id);
1519 71a27632 2020-01-15 stsp *id = NULL;
1520 71a27632 2020-01-15 stsp }
1521 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1522 71a27632 2020-01-15 stsp return err;
1523 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1524 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1525 71a27632 2020-01-15 stsp return err;
1526 71a27632 2020-01-15 stsp }
1527 71a27632 2020-01-15 stsp
1528 71a27632 2020-01-15 stsp err = got_repo_match_object_id_prefix(id, id_str, obj_type, repo);
1529 71a27632 2020-01-15 stsp if (err) {
1530 71a27632 2020-01-15 stsp if (err->code != GOT_ERR_BAD_OBJ_ID_STR)
1531 71a27632 2020-01-15 stsp return err;
1532 71a27632 2020-01-15 stsp err = got_ref_open(&ref, repo, id_str, 0);
1533 71a27632 2020-01-15 stsp if (err != NULL)
1534 71a27632 2020-01-15 stsp goto done;
1535 71a27632 2020-01-15 stsp if (label) {
1536 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1537 71a27632 2020-01-15 stsp if (*label == NULL) {
1538 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1539 71a27632 2020-01-15 stsp goto done;
1540 71a27632 2020-01-15 stsp }
1541 71a27632 2020-01-15 stsp }
1542 71a27632 2020-01-15 stsp err = got_ref_resolve(id, repo, ref);
1543 71a27632 2020-01-15 stsp } else if (label) {
1544 71a27632 2020-01-15 stsp err = got_object_id_str(label, *id);
1545 71a27632 2020-01-15 stsp if (*label == NULL) {
1546 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1547 71a27632 2020-01-15 stsp goto done;
1548 71a27632 2020-01-15 stsp }
1549 71a27632 2020-01-15 stsp }
1550 71a27632 2020-01-15 stsp done:
1551 71a27632 2020-01-15 stsp if (ref)
1552 71a27632 2020-01-15 stsp got_ref_close(ref);
1553 71a27632 2020-01-15 stsp return err;
1554 71a27632 2020-01-15 stsp }
1555 71a27632 2020-01-15 stsp
1556 71a27632 2020-01-15 stsp const struct got_error *
1557 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1558 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1559 303e2782 2019-08-09 stsp {
1560 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1561 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1562 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1563 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1564 303e2782 2019-08-09 stsp
1565 303e2782 2019-08-09 stsp *tag = NULL;
1566 303e2782 2019-08-09 stsp
1567 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1568 303e2782 2019-08-09 stsp const char *refname;
1569 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1570 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1571 303e2782 2019-08-09 stsp continue;
1572 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1573 84de9106 2020-12-26 stsp continue;
1574 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1575 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1576 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1577 303e2782 2019-08-09 stsp continue;
1578 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1579 303e2782 2019-08-09 stsp if (err)
1580 303e2782 2019-08-09 stsp break;
1581 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1582 303e2782 2019-08-09 stsp free(tag_id);
1583 303e2782 2019-08-09 stsp if (err)
1584 303e2782 2019-08-09 stsp break;
1585 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1586 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1587 303e2782 2019-08-09 stsp break;
1588 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1589 303e2782 2019-08-09 stsp *tag = NULL;
1590 303e2782 2019-08-09 stsp }
1591 4277420a 2019-06-29 stsp
1592 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1593 ded8fbb8 2020-04-19 stsp err = got_error_path(name, GOT_ERR_NO_OBJ);
1594 e09a504c 2019-06-28 stsp return err;
1595 e09a504c 2019-06-28 stsp }
1596 7a1d6b72 2020-01-15 stsp
1597 3ce1b845 2019-07-15 stsp static const struct got_error *
1598 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1599 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1600 3ce1b845 2019-07-15 stsp {
1601 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1602 3ce1b845 2019-07-15 stsp
1603 3ce1b845 2019-07-15 stsp *new_te = NULL;
1604 3ce1b845 2019-07-15 stsp
1605 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1606 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1607 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1608 3ce1b845 2019-07-15 stsp
1609 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1610 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1611 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1612 3ce1b845 2019-07-15 stsp goto done;
1613 3ce1b845 2019-07-15 stsp }
1614 3ce1b845 2019-07-15 stsp
1615 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1616 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1617 e8863bdc 2020-07-23 stsp } else {
1618 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1619 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1620 e8863bdc 2020-07-23 stsp }
1621 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1622 3ce1b845 2019-07-15 stsp done:
1623 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1624 56e0773d 2019-11-28 stsp free(*new_te);
1625 3ce1b845 2019-07-15 stsp *new_te = NULL;
1626 3ce1b845 2019-07-15 stsp }
1627 3ce1b845 2019-07-15 stsp return err;
1628 3ce1b845 2019-07-15 stsp }
1629 3ce1b845 2019-07-15 stsp
1630 3ce1b845 2019-07-15 stsp static const struct got_error *
1631 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1632 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1633 3ce1b845 2019-07-15 stsp {
1634 3ce1b845 2019-07-15 stsp const struct got_error *err;
1635 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1636 3ce1b845 2019-07-15 stsp char *filepath;
1637 3ce1b845 2019-07-15 stsp struct stat sb;
1638 3ce1b845 2019-07-15 stsp
1639 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1640 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1641 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1642 3ce1b845 2019-07-15 stsp
1643 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1644 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1645 3ce1b845 2019-07-15 stsp goto done;
1646 3ce1b845 2019-07-15 stsp }
1647 3ce1b845 2019-07-15 stsp
1648 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1649 3ce1b845 2019-07-15 stsp if (err)
1650 3ce1b845 2019-07-15 stsp goto done;
1651 3ce1b845 2019-07-15 stsp
1652 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1653 3ce1b845 2019-07-15 stsp blob_id);
1654 3ce1b845 2019-07-15 stsp done:
1655 3ce1b845 2019-07-15 stsp free(filepath);
1656 3ce1b845 2019-07-15 stsp if (err)
1657 3ce1b845 2019-07-15 stsp free(blob_id);
1658 3ce1b845 2019-07-15 stsp return err;
1659 3ce1b845 2019-07-15 stsp }
1660 3ce1b845 2019-07-15 stsp
1661 3ce1b845 2019-07-15 stsp static const struct got_error *
1662 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1663 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1664 3ce1b845 2019-07-15 stsp {
1665 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1666 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
1667 3ce1b845 2019-07-15 stsp
1668 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
1669 3ce1b845 2019-07-15 stsp if (err)
1670 3ce1b845 2019-07-15 stsp return err;
1671 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
1672 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
1673 3ce1b845 2019-07-15 stsp return NULL;
1674 3ce1b845 2019-07-15 stsp }
1675 3ce1b845 2019-07-15 stsp
1676 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
1677 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
1678 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
1679 3ce1b845 2019-07-15 stsp
1680 3ce1b845 2019-07-15 stsp static const struct got_error *
1681 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
1682 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
1683 3ce1b845 2019-07-15 stsp struct got_repository *repo,
1684 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1685 3ce1b845 2019-07-15 stsp {
1686 3ce1b845 2019-07-15 stsp const struct got_error *err;
1687 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
1688 3ce1b845 2019-07-15 stsp char *subdirpath;
1689 3ce1b845 2019-07-15 stsp
1690 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
1691 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1692 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1693 3ce1b845 2019-07-15 stsp
1694 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
1695 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
1696 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
1697 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
1698 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
1699 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1700 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1701 3ce1b845 2019-07-15 stsp goto done;
1702 3ce1b845 2019-07-15 stsp }
1703 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
1704 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1705 56e0773d 2019-11-28 stsp if (err)
1706 56e0773d 2019-11-28 stsp goto done;
1707 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
1708 56e0773d 2019-11-28 stsp
1709 3ce1b845 2019-07-15 stsp done:
1710 56e0773d 2019-11-28 stsp free(id);
1711 3ce1b845 2019-07-15 stsp free(subdirpath);
1712 3ce1b845 2019-07-15 stsp if (err) {
1713 56e0773d 2019-11-28 stsp free(*new_te);
1714 3ce1b845 2019-07-15 stsp *new_te = NULL;
1715 3ce1b845 2019-07-15 stsp }
1716 3ce1b845 2019-07-15 stsp return err;
1717 3ce1b845 2019-07-15 stsp }
1718 3ce1b845 2019-07-15 stsp
1719 3ce1b845 2019-07-15 stsp static const struct got_error *
1720 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
1721 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
1722 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1723 3ce1b845 2019-07-15 stsp {
1724 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1725 3ce1b845 2019-07-15 stsp DIR *dir;
1726 3ce1b845 2019-07-15 stsp struct dirent *de;
1727 56e0773d 2019-11-28 stsp int nentries;
1728 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
1729 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
1730 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
1731 3ce1b845 2019-07-15 stsp
1732 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
1733 3ce1b845 2019-07-15 stsp
1734 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
1735 3ce1b845 2019-07-15 stsp
1736 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
1737 3ce1b845 2019-07-15 stsp if (dir == NULL) {
1738 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
1739 3ce1b845 2019-07-15 stsp goto done;
1740 3ce1b845 2019-07-15 stsp }
1741 3ce1b845 2019-07-15 stsp
1742 56e0773d 2019-11-28 stsp nentries = 0;
1743 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
1744 3ce1b845 2019-07-15 stsp int ignore = 0;
1745 20ccae39 2020-07-21 stsp int type;
1746 3ce1b845 2019-07-15 stsp
1747 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
1748 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
1749 3ce1b845 2019-07-15 stsp continue;
1750 3ce1b845 2019-07-15 stsp
1751 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
1752 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
1753 3ce1b845 2019-07-15 stsp ignore = 1;
1754 3ce1b845 2019-07-15 stsp break;
1755 3ce1b845 2019-07-15 stsp }
1756 3ce1b845 2019-07-15 stsp }
1757 3ce1b845 2019-07-15 stsp if (ignore)
1758 3ce1b845 2019-07-15 stsp continue;
1759 20ccae39 2020-07-21 stsp
1760 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
1761 20ccae39 2020-07-21 stsp if (err)
1762 20ccae39 2020-07-21 stsp goto done;
1763 20ccae39 2020-07-21 stsp
1764 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
1765 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
1766 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
1767 db1d3576 2019-10-04 stsp if (err) {
1768 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
1769 db1d3576 2019-10-04 stsp goto done;
1770 db1d3576 2019-10-04 stsp err = NULL;
1771 db1d3576 2019-10-04 stsp continue;
1772 db1d3576 2019-10-04 stsp }
1773 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
1774 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
1775 3ce1b845 2019-07-15 stsp if (err)
1776 3ce1b845 2019-07-15 stsp goto done;
1777 3ce1b845 2019-07-15 stsp } else
1778 3ce1b845 2019-07-15 stsp continue;
1779 3ce1b845 2019-07-15 stsp
1780 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
1781 3ce1b845 2019-07-15 stsp if (err)
1782 3ce1b845 2019-07-15 stsp goto done;
1783 56e0773d 2019-11-28 stsp nentries++;
1784 3ce1b845 2019-07-15 stsp }
1785 3ce1b845 2019-07-15 stsp
1786 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
1787 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
1788 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
1789 db1d3576 2019-10-04 stsp goto done;
1790 db1d3576 2019-10-04 stsp }
1791 db1d3576 2019-10-04 stsp
1792 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
1793 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
1794 3ce1b845 2019-07-15 stsp char *path;
1795 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
1796 3ce1b845 2019-07-15 stsp continue;
1797 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
1798 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
1799 3ce1b845 2019-07-15 stsp goto done;
1800 3ce1b845 2019-07-15 stsp }
1801 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
1802 3ce1b845 2019-07-15 stsp free(path);
1803 3ce1b845 2019-07-15 stsp if (err)
1804 3ce1b845 2019-07-15 stsp goto done;
1805 3ce1b845 2019-07-15 stsp }
1806 3ce1b845 2019-07-15 stsp
1807 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
1808 3ce1b845 2019-07-15 stsp done:
1809 3ce1b845 2019-07-15 stsp if (dir)
1810 3ce1b845 2019-07-15 stsp closedir(dir);
1811 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
1812 3ce1b845 2019-07-15 stsp return err;
1813 3ce1b845 2019-07-15 stsp }
1814 3ce1b845 2019-07-15 stsp
1815 3ce1b845 2019-07-15 stsp const struct got_error *
1816 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
1817 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
1818 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
1819 3ce1b845 2019-07-15 stsp void *progress_arg)
1820 3ce1b845 2019-07-15 stsp {
1821 3ce1b845 2019-07-15 stsp const struct got_error *err;
1822 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
1823 3ce1b845 2019-07-15 stsp
1824 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
1825 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1826 3ce1b845 2019-07-15 stsp if (err)
1827 3ce1b845 2019-07-15 stsp return err;
1828 3ce1b845 2019-07-15 stsp
1829 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
1830 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
1831 3ce1b845 2019-07-15 stsp free(new_tree_id);
1832 20662ea0 2021-04-10 stsp return err;
1833 20662ea0 2021-04-10 stsp }
1834 20662ea0 2021-04-10 stsp
1835 20662ea0 2021-04-10 stsp const struct got_error *
1836 20662ea0 2021-04-10 stsp got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
1837 20662ea0 2021-04-10 stsp struct got_repository *repo)
1838 20662ea0 2021-04-10 stsp {
1839 20662ea0 2021-04-10 stsp const struct got_error *err = NULL;
1840 20662ea0 2021-04-10 stsp char *path_objects = NULL, *path = NULL;
1841 20662ea0 2021-04-10 stsp DIR *dir = NULL;
1842 20662ea0 2021-04-10 stsp struct got_object_id id;
1843 20662ea0 2021-04-10 stsp int i;
1844 20662ea0 2021-04-10 stsp
1845 20662ea0 2021-04-10 stsp *nobjects = 0;
1846 20662ea0 2021-04-10 stsp *ondisk_size = 0;
1847 20662ea0 2021-04-10 stsp
1848 20662ea0 2021-04-10 stsp path_objects = got_repo_get_path_objects(repo);
1849 20662ea0 2021-04-10 stsp if (path_objects == NULL)
1850 20662ea0 2021-04-10 stsp return got_error_from_errno("got_repo_get_path_objects");
1851 20662ea0 2021-04-10 stsp
1852 20662ea0 2021-04-10 stsp for (i = 0; i <= 0xff; i++) {
1853 20662ea0 2021-04-10 stsp struct dirent *dent;
1854 20662ea0 2021-04-10 stsp
1855 20662ea0 2021-04-10 stsp if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
1856 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
1857 20662ea0 2021-04-10 stsp break;
1858 20662ea0 2021-04-10 stsp }
1859 20662ea0 2021-04-10 stsp
1860 20662ea0 2021-04-10 stsp dir = opendir(path);
1861 20662ea0 2021-04-10 stsp if (dir == NULL) {
1862 20662ea0 2021-04-10 stsp if (errno == ENOENT) {
1863 20662ea0 2021-04-10 stsp err = NULL;
1864 20662ea0 2021-04-10 stsp continue;
1865 20662ea0 2021-04-10 stsp }
1866 20662ea0 2021-04-10 stsp err = got_error_from_errno2("opendir", path);
1867 20662ea0 2021-04-10 stsp break;
1868 20662ea0 2021-04-10 stsp }
1869 20662ea0 2021-04-10 stsp
1870 20662ea0 2021-04-10 stsp while ((dent = readdir(dir)) != NULL) {
1871 20662ea0 2021-04-10 stsp char *id_str;
1872 20662ea0 2021-04-10 stsp int fd;
1873 20662ea0 2021-04-10 stsp struct stat sb;
1874 20662ea0 2021-04-10 stsp
1875 20662ea0 2021-04-10 stsp if (strcmp(dent->d_name, ".") == 0 ||
1876 20662ea0 2021-04-10 stsp strcmp(dent->d_name, "..") == 0)
1877 20662ea0 2021-04-10 stsp continue;
1878 20662ea0 2021-04-10 stsp
1879 20662ea0 2021-04-10 stsp if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
1880 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
1881 20662ea0 2021-04-10 stsp goto done;
1882 20662ea0 2021-04-10 stsp }
1883 20662ea0 2021-04-10 stsp
1884 20662ea0 2021-04-10 stsp if (!got_parse_sha1_digest(id.sha1, id_str)) {
1885 20662ea0 2021-04-10 stsp free(id_str);
1886 20662ea0 2021-04-10 stsp continue;
1887 20662ea0 2021-04-10 stsp }
1888 20662ea0 2021-04-10 stsp free(id_str);
1889 20662ea0 2021-04-10 stsp
1890 20662ea0 2021-04-10 stsp err = got_object_open_loose_fd(&fd, &id, repo);
1891 20662ea0 2021-04-10 stsp if (err)
1892 20662ea0 2021-04-10 stsp goto done;
1893 20662ea0 2021-04-10 stsp
1894 20662ea0 2021-04-10 stsp if (fstat(fd, &sb) == -1) {
1895 20662ea0 2021-04-10 stsp err = got_error_from_errno("fstat");
1896 20662ea0 2021-04-10 stsp close(fd);
1897 20662ea0 2021-04-10 stsp goto done;
1898 20662ea0 2021-04-10 stsp }
1899 20662ea0 2021-04-10 stsp (*nobjects)++;
1900 20662ea0 2021-04-10 stsp (*ondisk_size) += sb.st_size;
1901 20662ea0 2021-04-10 stsp
1902 20662ea0 2021-04-10 stsp if (close(fd) == -1) {
1903 20662ea0 2021-04-10 stsp err = got_error_from_errno("close");
1904 20662ea0 2021-04-10 stsp goto done;
1905 20662ea0 2021-04-10 stsp }
1906 20662ea0 2021-04-10 stsp }
1907 20662ea0 2021-04-10 stsp
1908 20662ea0 2021-04-10 stsp if (closedir(dir) != 0) {
1909 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
1910 20662ea0 2021-04-10 stsp goto done;
1911 20662ea0 2021-04-10 stsp }
1912 20662ea0 2021-04-10 stsp dir = NULL;
1913 20662ea0 2021-04-10 stsp
1914 20662ea0 2021-04-10 stsp free(path);
1915 20662ea0 2021-04-10 stsp path = NULL;
1916 20662ea0 2021-04-10 stsp }
1917 20662ea0 2021-04-10 stsp done:
1918 20662ea0 2021-04-10 stsp if (dir && closedir(dir) != 0 && err == NULL)
1919 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
1920 20662ea0 2021-04-10 stsp
1921 20662ea0 2021-04-10 stsp if (err) {
1922 20662ea0 2021-04-10 stsp *nobjects = 0;
1923 20662ea0 2021-04-10 stsp *ondisk_size = 0;
1924 20662ea0 2021-04-10 stsp }
1925 20662ea0 2021-04-10 stsp free(path_objects);
1926 20662ea0 2021-04-10 stsp free(path);
1927 3ce1b845 2019-07-15 stsp return err;
1928 3ce1b845 2019-07-15 stsp }
1929 20662ea0 2021-04-10 stsp
1930 20662ea0 2021-04-10 stsp const struct got_error *
1931 20662ea0 2021-04-10 stsp got_repo_get_packfile_info(int *npackfiles, int *nobjects,
1932 20662ea0 2021-04-10 stsp off_t *total_packsize, struct got_repository *repo)
1933 20662ea0 2021-04-10 stsp {
1934 0c9eeee2 2021-06-05 stsp const struct got_error *err = NULL;
1935 20662ea0 2021-04-10 stsp DIR *packdir = NULL;
1936 20662ea0 2021-04-10 stsp struct dirent *dent;
1937 20662ea0 2021-04-10 stsp struct got_packidx *packidx = NULL;
1938 20662ea0 2021-04-10 stsp char *path_packidx;
1939 20662ea0 2021-04-10 stsp char *path_packfile;
1940 20662ea0 2021-04-10 stsp int packdir_fd;
1941 20662ea0 2021-04-10 stsp struct stat sb;
1942 20662ea0 2021-04-10 stsp
1943 20662ea0 2021-04-10 stsp *npackfiles = 0;
1944 20662ea0 2021-04-10 stsp *nobjects = 0;
1945 20662ea0 2021-04-10 stsp *total_packsize = 0;
1946 20662ea0 2021-04-10 stsp
1947 20662ea0 2021-04-10 stsp packdir_fd = openat(got_repo_get_fd(repo),
1948 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
1949 20662ea0 2021-04-10 stsp if (packdir_fd == -1) {
1950 20662ea0 2021-04-10 stsp return got_error_from_errno_fmt("openat: %s/%s",
1951 20662ea0 2021-04-10 stsp got_repo_get_path_git_dir(repo),
1952 20662ea0 2021-04-10 stsp GOT_OBJECTS_PACK_DIR);
1953 20662ea0 2021-04-10 stsp }
1954 20662ea0 2021-04-10 stsp
1955 20662ea0 2021-04-10 stsp packdir = fdopendir(packdir_fd);
1956 20662ea0 2021-04-10 stsp if (packdir == NULL) {
1957 20662ea0 2021-04-10 stsp err = got_error_from_errno("fdopendir");
1958 20662ea0 2021-04-10 stsp goto done;
1959 20662ea0 2021-04-10 stsp }
1960 20662ea0 2021-04-10 stsp
1961 20662ea0 2021-04-10 stsp while ((dent = readdir(packdir)) != NULL) {
1962 dd038bc6 2021-09-21 thomas.ad if (!got_repo_is_packidx_filename(dent->d_name,
1963 dd038bc6 2021-09-21 thomas.ad strlen(dent->d_name)))
1964 20662ea0 2021-04-10 stsp continue;
1965 20662ea0 2021-04-10 stsp
1966 20662ea0 2021-04-10 stsp if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1967 20662ea0 2021-04-10 stsp dent->d_name) == -1) {
1968 20662ea0 2021-04-10 stsp err = got_error_from_errno("asprintf");
1969 20662ea0 2021-04-10 stsp goto done;
1970 20662ea0 2021-04-10 stsp }
1971 20662ea0 2021-04-10 stsp
1972 20662ea0 2021-04-10 stsp err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1973 20662ea0 2021-04-10 stsp path_packidx, 0);
1974 20662ea0 2021-04-10 stsp free(path_packidx);
1975 20662ea0 2021-04-10 stsp if (err)
1976 20662ea0 2021-04-10 stsp goto done;
1977 20662ea0 2021-04-10 stsp
1978 20662ea0 2021-04-10 stsp if (fstat(packidx->fd, &sb) == -1)
1979 20662ea0 2021-04-10 stsp goto done;
1980 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
1981 20662ea0 2021-04-10 stsp
1982 aea75d87 2021-07-06 stsp err = got_packidx_get_packfile_path(&path_packfile,
1983 aea75d87 2021-07-06 stsp packidx->path_packidx);
1984 20662ea0 2021-04-10 stsp if (err)
1985 20662ea0 2021-04-10 stsp goto done;
1986 20662ea0 2021-04-10 stsp
1987 20662ea0 2021-04-10 stsp if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
1988 20662ea0 2021-04-10 stsp 0) == -1) {
1989 20662ea0 2021-04-10 stsp free(path_packfile);
1990 20662ea0 2021-04-10 stsp goto done;
1991 20662ea0 2021-04-10 stsp }
1992 20662ea0 2021-04-10 stsp free(path_packfile);
1993 20662ea0 2021-04-10 stsp *total_packsize += sb.st_size;
1994 20662ea0 2021-04-10 stsp
1995 20662ea0 2021-04-10 stsp *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
1996 20662ea0 2021-04-10 stsp
1997 20662ea0 2021-04-10 stsp (*npackfiles)++;
1998 20662ea0 2021-04-10 stsp
1999 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2000 20662ea0 2021-04-10 stsp packidx = NULL;
2001 20662ea0 2021-04-10 stsp }
2002 20662ea0 2021-04-10 stsp done:
2003 20662ea0 2021-04-10 stsp if (packidx)
2004 20662ea0 2021-04-10 stsp got_packidx_close(packidx);
2005 20662ea0 2021-04-10 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
2006 20662ea0 2021-04-10 stsp err = got_error_from_errno("closedir");
2007 20662ea0 2021-04-10 stsp if (err) {
2008 20662ea0 2021-04-10 stsp *npackfiles = 0;
2009 20662ea0 2021-04-10 stsp *nobjects = 0;
2010 20662ea0 2021-04-10 stsp *total_packsize = 0;
2011 20662ea0 2021-04-10 stsp }
2012 20662ea0 2021-04-10 stsp return err;
2013 20662ea0 2021-04-10 stsp }