2 5aa81393 2020-01-06 stsp * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
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.
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.
17 ad242220 2018-09-08 stsp #include <sys/types.h>
18 79b11c62 2018-03-09 stsp #include <sys/queue.h>
19 ad242220 2018-09-08 stsp #include <sys/uio.h>
20 aba9c984 2019-09-08 stsp #include <sys/socket.h>
21 deeca238 2018-03-12 stsp #include <sys/stat.h>
22 1510f469 2018-09-09 stsp #include <sys/mman.h>
24 e09a504c 2019-06-28 stsp #include <ctype.h>
25 78fb0967 2020-09-09 naddy #include <endian.h>
26 1510f469 2018-09-09 stsp #include <fcntl.h>
27 3ce1b845 2019-07-15 stsp #include <fnmatch.h>
28 4027f31a 2017-11-04 stsp #include <limits.h>
29 1510f469 2018-09-09 stsp #include <dirent.h>
30 4027f31a 2017-11-04 stsp #include <stdlib.h>
31 4027f31a 2017-11-04 stsp #include <stdio.h>
32 4027f31a 2017-11-04 stsp #include <sha1.h>
33 4027f31a 2017-11-04 stsp #include <string.h>
34 303e14b5 2019-09-23 stsp #include <time.h>
35 81a12da5 2020-09-09 naddy #include <unistd.h>
36 79b11c62 2018-03-09 stsp #include <zlib.h>
37 85f51bba 2018-07-16 stsp #include <errno.h>
38 85f51bba 2018-07-16 stsp #include <libgen.h>
39 ad242220 2018-09-08 stsp #include <stdint.h>
40 ad242220 2018-09-08 stsp #include <imsg.h>
41 c442a90d 2019-03-10 stsp #include <uuid.h>
43 4027f31a 2017-11-04 stsp #include "got_error.h"
44 5261c201 2018-04-01 stsp #include "got_reference.h"
45 4027f31a 2017-11-04 stsp #include "got_repository.h"
46 1dd54920 2019-05-11 stsp #include "got_path.h"
47 e6209546 2019-08-22 stsp #include "got_cancel.h"
48 442a3ddc 2018-04-23 stsp #include "got_worktree.h"
49 7bb0daa1 2018-06-21 stsp #include "got_object.h"
51 718b3ab0 2018-03-17 stsp #include "got_lib_delta.h"
52 63581804 2018-07-09 stsp #include "got_lib_inflate.h"
53 718b3ab0 2018-03-17 stsp #include "got_lib_object.h"
54 3ce1b845 2019-07-15 stsp #include "got_lib_object_parse.h"
55 3ce1b845 2019-07-15 stsp #include "got_lib_object_create.h"
56 718b3ab0 2018-03-17 stsp #include "got_lib_pack.h"
57 876c234b 2018-09-10 stsp #include "got_lib_privsep.h"
58 442a3ddc 2018-04-23 stsp #include "got_lib_worktree.h"
59 e09a504c 2019-06-28 stsp #include "got_lib_sha1.h"
60 6bef87be 2018-09-11 stsp #include "got_lib_object_cache.h"
61 6bef87be 2018-09-11 stsp #include "got_lib_repository.h"
62 50b0790e 2020-09-11 stsp #include "got_lib_gotconfig.h"
64 79b11c62 2018-03-09 stsp #ifndef nitems
65 79b11c62 2018-03-09 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
68 7839bc15 2019-01-06 stsp const char *
69 86c3caaf 2018-03-09 stsp got_repo_get_path(struct got_repository *repo)
71 7839bc15 2019-01-06 stsp return repo->path;
74 6e9da951 2019-01-06 stsp const char *
75 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
77 6e9da951 2019-01-06 stsp return repo->path_git_dir;
81 6d5a9006 2020-12-16 yzhong got_repo_get_fd(struct got_repository *repo)
83 6d5a9006 2020-12-16 yzhong return repo->gitdir_fd;
86 aba9c984 2019-09-08 stsp const char *
87 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_name(struct got_repository *repo)
89 aba9c984 2019-09-08 stsp return repo->gitconfig_author_name;
92 aba9c984 2019-09-08 stsp const char *
93 aba9c984 2019-09-08 stsp got_repo_get_gitconfig_author_email(struct got_repository *repo)
95 aba9c984 2019-09-08 stsp return repo->gitconfig_author_email;
98 c9956ddf 2019-09-08 stsp const char *
99 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_name(struct got_repository *repo)
101 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_name;
104 c9956ddf 2019-09-08 stsp const char *
105 c9956ddf 2019-09-08 stsp got_repo_get_global_gitconfig_author_email(struct got_repository *repo)
107 c9956ddf 2019-09-08 stsp return repo->global_gitconfig_author_email;
110 9a1cc63f 2020-02-03 stsp const char *
111 9a1cc63f 2020-02-03 stsp got_repo_get_gitconfig_owner(struct got_repository *repo)
113 9a1cc63f 2020-02-03 stsp return repo->gitconfig_owner;
117 04ca23f4 2018-07-16 stsp got_repo_is_bare(struct got_repository *repo)
119 04ca23f4 2018-07-16 stsp return (strcmp(repo->path, repo->path_git_dir) == 0);
122 4027f31a 2017-11-04 stsp static char *
123 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
125 4027f31a 2017-11-04 stsp char *path_child;
127 4986b9d5 2018-03-12 stsp if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
128 4027f31a 2017-11-04 stsp basename) == -1)
129 4027f31a 2017-11-04 stsp return NULL;
131 4027f31a 2017-11-04 stsp return path_child;
135 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
137 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
141 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
143 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
147 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
149 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
153 fb79db15 2019-02-01 stsp got_repo_get_path_packed_refs(struct got_repository *repo)
155 fb79db15 2019-02-01 stsp return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
158 4027f31a 2017-11-04 stsp static char *
159 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
161 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
165 b46f3e71 2020-03-18 stsp got_repo_get_path_gitconfig(struct got_repository *repo)
167 b46f3e71 2020-03-18 stsp return get_path_git_child(repo, GOT_GITCONFIG);
171 257add31 2020-09-09 stsp got_repo_get_path_gotconfig(struct got_repository *repo)
173 50b0790e 2020-09-11 stsp return get_path_git_child(repo, GOT_GOTCONFIG_FILENAME);
176 50b0790e 2020-09-11 stsp const struct got_gotconfig *
177 50b0790e 2020-09-11 stsp got_repo_get_gotconfig(struct got_repository *repo)
179 50b0790e 2020-09-11 stsp return repo->gotconfig;
183 50b0790e 2020-09-11 stsp got_repo_get_gitconfig_remotes(int *nremotes,
184 50b0790e 2020-09-11 stsp const struct got_remote_repo **remotes, struct got_repository *repo)
186 50b0790e 2020-09-11 stsp *nremotes = repo->ngitconfig_remotes;
187 50b0790e 2020-09-11 stsp *remotes = repo->gitconfig_remotes;
191 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
193 6e9da951 2019-01-06 stsp const char *path_git = got_repo_get_path_git_dir(repo);
194 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
195 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
196 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
197 deeca238 2018-03-12 stsp int ret = 0;
198 deeca238 2018-03-12 stsp struct stat sb;
199 4847cca1 2018-03-12 stsp struct got_reference *head_ref;
201 deeca238 2018-03-12 stsp if (lstat(path_git, &sb) == -1)
203 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
206 deeca238 2018-03-12 stsp if (lstat(path_objects, &sb) == -1)
208 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
211 deeca238 2018-03-12 stsp if (lstat(path_refs, &sb) == -1)
213 deeca238 2018-03-12 stsp if (!S_ISDIR(sb.st_mode))
216 deeca238 2018-03-12 stsp if (lstat(path_head, &sb) == -1)
218 deeca238 2018-03-12 stsp if (!S_ISREG(sb.st_mode))
221 4847cca1 2018-03-12 stsp /* Check if the HEAD reference can be opened. */
222 2f17228e 2019-05-12 stsp if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
224 4847cca1 2018-03-12 stsp got_ref_close(head_ref);
228 4027f31a 2017-11-04 stsp free(path_objects);
229 4027f31a 2017-11-04 stsp free(path_refs);
230 4027f31a 2017-11-04 stsp free(path_head);
231 4027f31a 2017-11-04 stsp return ret;
235 f6be5c30 2018-06-22 stsp const struct got_error *
236 f6be5c30 2018-06-22 stsp got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
237 f6be5c30 2018-06-22 stsp struct got_object *obj)
239 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
240 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
241 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->objcache, id, obj);
243 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
244 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
245 79c99a64 2019-05-23 stsp err = NULL;
246 f6be5c30 2018-06-22 stsp return err;
248 f6be5c30 2018-06-22 stsp obj->refcnt++;
250 f6be5c30 2018-06-22 stsp return NULL;
253 7bb0daa1 2018-06-21 stsp struct got_object *
254 7bb0daa1 2018-06-21 stsp got_repo_get_cached_object(struct got_repository *repo,
255 7bb0daa1 2018-06-21 stsp struct got_object_id *id)
257 6bef87be 2018-09-11 stsp return (struct got_object *)got_object_cache_get(&repo->objcache, id);
260 4027f31a 2017-11-04 stsp const struct got_error *
261 f6be5c30 2018-06-22 stsp got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
262 f6be5c30 2018-06-22 stsp struct got_tree_object *tree)
264 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
265 f6be5c30 2018-06-22 stsp const struct got_error *err = NULL;
266 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->treecache, id, tree);
268 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
269 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
270 79c99a64 2019-05-23 stsp err = NULL;
271 f6be5c30 2018-06-22 stsp return err;
273 f6be5c30 2018-06-22 stsp tree->refcnt++;
275 f6be5c30 2018-06-22 stsp return NULL;
278 f6be5c30 2018-06-22 stsp struct got_tree_object *
279 f6be5c30 2018-06-22 stsp got_repo_get_cached_tree(struct got_repository *repo,
280 f6be5c30 2018-06-22 stsp struct got_object_id *id)
282 6bef87be 2018-09-11 stsp return (struct got_tree_object *)got_object_cache_get(
283 6bef87be 2018-09-11 stsp &repo->treecache, id);
286 1943de01 2018-06-22 stsp const struct got_error *
287 1943de01 2018-06-22 stsp got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
288 1943de01 2018-06-22 stsp struct got_commit_object *commit)
290 ccfe88e6 2018-07-12 stsp #ifndef GOT_NO_OBJ_CACHE
291 1943de01 2018-06-22 stsp const struct got_error *err = NULL;
292 6bef87be 2018-09-11 stsp err = got_object_cache_add(&repo->commitcache, id, commit);
294 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
295 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
296 79c99a64 2019-05-23 stsp err = NULL;
297 1943de01 2018-06-22 stsp return err;
299 1943de01 2018-06-22 stsp commit->refcnt++;
301 f6be5c30 2018-06-22 stsp return NULL;
304 1943de01 2018-06-22 stsp struct got_commit_object *
305 1943de01 2018-06-22 stsp got_repo_get_cached_commit(struct got_repository *repo,
306 1943de01 2018-06-22 stsp struct got_object_id *id)
308 6bef87be 2018-09-11 stsp return (struct got_commit_object *)got_object_cache_get(
309 6bef87be 2018-09-11 stsp &repo->commitcache, id);
312 f4a881ce 2018-11-17 stsp const struct got_error *
313 f4a881ce 2018-11-17 stsp got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
314 f4a881ce 2018-11-17 stsp struct got_tag_object *tag)
316 f4a881ce 2018-11-17 stsp #ifndef GOT_NO_OBJ_CACHE
317 f4a881ce 2018-11-17 stsp const struct got_error *err = NULL;
318 f4a881ce 2018-11-17 stsp err = got_object_cache_add(&repo->tagcache, id, tag);
320 79c99a64 2019-05-23 stsp if (err->code == GOT_ERR_OBJ_EXISTS ||
321 79c99a64 2019-05-23 stsp err->code == GOT_ERR_OBJ_TOO_LARGE)
322 79c99a64 2019-05-23 stsp err = NULL;
323 f4a881ce 2018-11-17 stsp return err;
325 f4a881ce 2018-11-17 stsp tag->refcnt++;
327 f4a881ce 2018-11-17 stsp return NULL;
330 f4a881ce 2018-11-17 stsp struct got_tag_object *
331 f4a881ce 2018-11-17 stsp got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
333 f4a881ce 2018-11-17 stsp return (struct got_tag_object *)got_object_cache_get(
334 f4a881ce 2018-11-17 stsp &repo->tagcache, id);
337 f6be5c30 2018-06-22 stsp const struct got_error *
338 85f51bba 2018-07-16 stsp open_repo(struct got_repository *repo, const char *path)
340 85f51bba 2018-07-16 stsp const struct got_error *err = NULL;
342 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
344 85f51bba 2018-07-16 stsp /* bare git repository? */
345 85f51bba 2018-07-16 stsp repo->path_git_dir = strdup(path);
346 ee645855 2019-02-05 stsp if (repo->path_git_dir == NULL)
347 638f9024 2019-05-13 stsp return got_error_from_errno("strdup");
348 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
349 85f51bba 2018-07-16 stsp repo->path = strdup(repo->path_git_dir);
350 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
351 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
352 6d5a9006 2020-12-16 yzhong goto done;
354 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = open(repo->path_git_dir, O_DIRECTORY);
355 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
356 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
357 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
360 85f51bba 2018-07-16 stsp return NULL;
363 85f51bba 2018-07-16 stsp /* git repository with working tree? */
364 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
365 6b68ccd6 2019-09-01 stsp repo->path_git_dir = NULL;
366 85f51bba 2018-07-16 stsp if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
367 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
370 85f51bba 2018-07-16 stsp if (is_git_repo(repo)) {
371 85f51bba 2018-07-16 stsp repo->path = strdup(path);
372 85f51bba 2018-07-16 stsp if (repo->path == NULL) {
373 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
376 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = open(repo->path_git_dir, O_DIRECTORY);
377 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd == -1) {
378 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("open",
379 6d5a9006 2020-12-16 yzhong repo->path_git_dir);
380 6d5a9006 2020-12-16 yzhong goto done;
382 85f51bba 2018-07-16 stsp return NULL;
385 ee645855 2019-02-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
388 ee645855 2019-02-05 stsp free(repo->path);
389 ee645855 2019-02-05 stsp repo->path = NULL;
390 85f51bba 2018-07-16 stsp free(repo->path_git_dir);
391 ee645855 2019-02-05 stsp repo->path_git_dir = NULL;
392 6d5a9006 2020-12-16 yzhong if (repo->gitdir_fd != -1)
393 6d5a9006 2020-12-16 yzhong close(repo->gitdir_fd);
394 6d5a9006 2020-12-16 yzhong repo->gitdir_fd = -1;
397 aba9c984 2019-09-08 stsp return err;
400 aba9c984 2019-09-08 stsp static const struct got_error *
401 c9956ddf 2019-09-08 stsp parse_gitconfig_file(int *gitconfig_repository_format_version,
402 c9956ddf 2019-09-08 stsp char **gitconfig_author_name, char **gitconfig_author_email,
403 cd95becd 2019-11-29 stsp struct got_remote_repo **remotes, int *nremotes,
404 20b7abb3 2020-10-22 stsp char **gitconfig_owner, char ***extensions, int *nextensions,
405 c9956ddf 2019-09-08 stsp const char *gitconfig_path)
407 aba9c984 2019-09-08 stsp const struct got_error *err = NULL, *child_err = NULL;
408 aba9c984 2019-09-08 stsp int fd = -1;
409 aba9c984 2019-09-08 stsp int imsg_fds[2] = { -1, -1 };
411 aba9c984 2019-09-08 stsp struct imsgbuf *ibuf;
413 c9956ddf 2019-09-08 stsp *gitconfig_repository_format_version = 0;
414 20b7abb3 2020-10-22 stsp if (extensions)
415 20b7abb3 2020-10-22 stsp *extensions = NULL;
416 20b7abb3 2020-10-22 stsp if (nextensions)
417 20b7abb3 2020-10-22 stsp *nextensions = 0;
418 c9956ddf 2019-09-08 stsp *gitconfig_author_name = NULL;
419 c9956ddf 2019-09-08 stsp *gitconfig_author_email = NULL;
420 2fb669fb 2020-03-20 stsp if (remotes)
421 2fb669fb 2020-03-20 stsp *remotes = NULL;
422 2fb669fb 2020-03-20 stsp if (nremotes)
423 2fb669fb 2020-03-20 stsp *nremotes = 0;
424 2fb669fb 2020-03-20 stsp if (gitconfig_owner)
425 2fb669fb 2020-03-20 stsp *gitconfig_owner = NULL;
427 aba9c984 2019-09-08 stsp fd = open(gitconfig_path, O_RDONLY);
428 aba9c984 2019-09-08 stsp if (fd == -1) {
429 c9956ddf 2019-09-08 stsp if (errno == ENOENT)
430 aba9c984 2019-09-08 stsp return NULL;
431 c9956ddf 2019-09-08 stsp return got_error_from_errno2("open", gitconfig_path);
434 aba9c984 2019-09-08 stsp ibuf = calloc(1, sizeof(*ibuf));
435 aba9c984 2019-09-08 stsp if (ibuf == NULL) {
436 aba9c984 2019-09-08 stsp err = got_error_from_errno("calloc");
440 aba9c984 2019-09-08 stsp if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
441 aba9c984 2019-09-08 stsp err = got_error_from_errno("socketpair");
445 aba9c984 2019-09-08 stsp pid = fork();
446 aba9c984 2019-09-08 stsp if (pid == -1) {
447 aba9c984 2019-09-08 stsp err = got_error_from_errno("fork");
449 aba9c984 2019-09-08 stsp } else if (pid == 0) {
450 aba9c984 2019-09-08 stsp got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
451 c9956ddf 2019-09-08 stsp gitconfig_path);
452 aba9c984 2019-09-08 stsp /* not reached */
455 aba9c984 2019-09-08 stsp if (close(imsg_fds[1]) == -1) {
456 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
459 aba9c984 2019-09-08 stsp imsg_fds[1] = -1;
460 aba9c984 2019-09-08 stsp imsg_init(ibuf, imsg_fds[0]);
462 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
467 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
471 aba9c984 2019-09-08 stsp err = got_privsep_recv_gitconfig_int(
472 c9956ddf 2019-09-08 stsp gitconfig_repository_format_version, ibuf);
476 20b7abb3 2020-10-22 stsp if (extensions && nextensions) {
477 20b7abb3 2020-10-22 stsp err = got_privsep_send_gitconfig_repository_extensions_req(
481 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
484 20b7abb3 2020-10-22 stsp if (*nextensions > 0) {
486 20b7abb3 2020-10-22 stsp *extensions = calloc(*nextensions, sizeof(char *));
487 20b7abb3 2020-10-22 stsp if (*extensions == NULL) {
488 20b7abb3 2020-10-22 stsp err = got_error_from_errno("calloc");
491 20b7abb3 2020-10-22 stsp for (i = 0; i < *nextensions; i++) {
493 20b7abb3 2020-10-22 stsp err = got_privsep_recv_gitconfig_str(&ext,
497 20b7abb3 2020-10-22 stsp (*extensions)[i] = ext;
502 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_name_req(ibuf);
506 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
510 aba9c984 2019-09-08 stsp err = got_privsep_send_gitconfig_author_email_req(ibuf);
514 c9956ddf 2019-09-08 stsp err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
518 cd95becd 2019-11-29 stsp if (remotes && nremotes) {
519 cd95becd 2019-11-29 stsp err = got_privsep_send_gitconfig_remotes_req(ibuf);
523 cd95becd 2019-11-29 stsp err = got_privsep_recv_gitconfig_remotes(remotes,
524 cd95becd 2019-11-29 stsp nremotes, ibuf);
529 9a1cc63f 2020-02-03 stsp if (gitconfig_owner) {
530 9a1cc63f 2020-02-03 stsp err = got_privsep_send_gitconfig_owner_req(ibuf);
533 9a1cc63f 2020-02-03 stsp err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
538 aba9c984 2019-09-08 stsp imsg_clear(ibuf);
539 aba9c984 2019-09-08 stsp err = got_privsep_send_stop(imsg_fds[0]);
540 aba9c984 2019-09-08 stsp child_err = got_privsep_wait_for_child(pid);
541 aba9c984 2019-09-08 stsp if (child_err && err == NULL)
542 aba9c984 2019-09-08 stsp err = child_err;
544 aba9c984 2019-09-08 stsp if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
545 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
546 aba9c984 2019-09-08 stsp if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
547 aba9c984 2019-09-08 stsp err = got_error_from_errno("close");
548 aba9c984 2019-09-08 stsp if (fd != -1 && close(fd) == -1 && err == NULL)
549 aba9c984 2019-09-08 stsp err = got_error_from_errno2("close", gitconfig_path);
550 aba9c984 2019-09-08 stsp free(ibuf);
551 c9956ddf 2019-09-08 stsp return err;
554 c9956ddf 2019-09-08 stsp static const struct got_error *
555 c9956ddf 2019-09-08 stsp read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
557 c9956ddf 2019-09-08 stsp const struct got_error *err = NULL;
558 c9956ddf 2019-09-08 stsp char *repo_gitconfig_path = NULL;
560 c9956ddf 2019-09-08 stsp if (global_gitconfig_path) {
561 c9956ddf 2019-09-08 stsp /* Read settings from ~/.gitconfig. */
562 c9956ddf 2019-09-08 stsp int dummy_repo_version;
563 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&dummy_repo_version,
564 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_name,
565 c9956ddf 2019-09-08 stsp &repo->global_gitconfig_author_email,
566 20b7abb3 2020-10-22 stsp NULL, NULL, NULL, NULL, NULL, global_gitconfig_path);
568 c9956ddf 2019-09-08 stsp return err;
571 c9956ddf 2019-09-08 stsp /* Read repository's .git/config file. */
572 b46f3e71 2020-03-18 stsp repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
573 b46f3e71 2020-03-18 stsp if (repo_gitconfig_path == NULL)
574 b46f3e71 2020-03-18 stsp return got_error_from_errno("got_repo_get_path_gitconfig");
576 c9956ddf 2019-09-08 stsp err = parse_gitconfig_file(&repo->gitconfig_repository_format_version,
577 c9956ddf 2019-09-08 stsp &repo->gitconfig_author_name, &repo->gitconfig_author_email,
578 cd95becd 2019-11-29 stsp &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
579 20b7abb3 2020-10-22 stsp &repo->gitconfig_owner, &repo->extensions, &repo->nextensions,
580 20b7abb3 2020-10-22 stsp repo_gitconfig_path);
584 c9956ddf 2019-09-08 stsp free(repo_gitconfig_path);
585 257add31 2020-09-09 stsp return err;
588 257add31 2020-09-09 stsp static const struct got_error *
589 257add31 2020-09-09 stsp read_gotconfig(struct got_repository *repo)
591 257add31 2020-09-09 stsp const struct got_error *err = NULL;
592 257add31 2020-09-09 stsp char *gotconfig_path;
594 257add31 2020-09-09 stsp gotconfig_path = got_repo_get_path_gotconfig(repo);
595 257add31 2020-09-09 stsp if (gotconfig_path == NULL)
596 257add31 2020-09-09 stsp return got_error_from_errno("got_repo_get_path_gotconfig");
598 50b0790e 2020-09-11 stsp err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
599 257add31 2020-09-09 stsp free(gotconfig_path);
600 85f51bba 2018-07-16 stsp return err;
603 20b7abb3 2020-10-22 stsp /* Supported repository format extensions. */
604 20b7abb3 2020-10-22 stsp static const char *repo_extensions[] = {
605 20b7abb3 2020-10-22 stsp "noop", /* Got supports repository format version 1. */
606 20b7abb3 2020-10-22 stsp "preciousObjects", /* Got has no garbage collection yet. */
607 20b7abb3 2020-10-22 stsp "worktreeConfig", /* Got does not care about Git work trees. */
610 85f51bba 2018-07-16 stsp const struct got_error *
611 c9956ddf 2019-09-08 stsp got_repo_open(struct got_repository **repop, const char *path,
612 c9956ddf 2019-09-08 stsp const char *global_gitconfig_path)
614 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
615 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
616 dbb02f4d 2020-12-04 stsp char *repo_path = NULL;
619 85f51bba 2018-07-16 stsp *repop = NULL;
621 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
622 92af5469 2017-11-05 stsp if (repo == NULL) {
623 638f9024 2019-05-13 stsp err = got_error_from_errno("calloc");
627 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
628 3516b818 2018-09-08 stsp memset(&repo->privsep_children[i], 0,
629 3516b818 2018-09-08 stsp sizeof(repo->privsep_children[0]));
630 ad242220 2018-09-08 stsp repo->privsep_children[i].imsg_fd = -1;
633 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->objcache,
634 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_OBJ);
637 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->treecache,
638 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_TREE);
641 6bef87be 2018-09-11 stsp err = got_object_cache_init(&repo->commitcache,
642 6bef87be 2018-09-11 stsp GOT_OBJECT_CACHE_TYPE_COMMIT);
645 f4a881ce 2018-11-17 stsp err = got_object_cache_init(&repo->tagcache,
646 f4a881ce 2018-11-17 stsp GOT_OBJECT_CACHE_TYPE_TAG);
650 dbb02f4d 2020-12-04 stsp repo_path = realpath(path, NULL);
651 aff6eea4 2020-10-20 stsp if (repo_path == NULL) {
652 dbb02f4d 2020-12-04 stsp err = got_error_from_errno2("realpath", path);
657 aff6eea4 2020-10-20 stsp char *parent_path;
659 aff6eea4 2020-10-20 stsp err = open_repo(repo, repo_path);
660 85f51bba 2018-07-16 stsp if (err == NULL)
662 85f51bba 2018-07-16 stsp if (err->code != GOT_ERR_NOT_GIT_REPO)
664 aff6eea4 2020-10-20 stsp if (repo_path[0] == '/' && repo_path[1] == '\0') {
665 0c93d204 2020-10-20 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
668 aff6eea4 2020-10-20 stsp err = got_path_dirname(&parent_path, repo_path);
671 aff6eea4 2020-10-20 stsp free(repo_path);
672 aff6eea4 2020-10-20 stsp repo_path = parent_path;
675 257add31 2020-09-09 stsp err = read_gotconfig(repo);
679 c9956ddf 2019-09-08 stsp err = read_gitconfig(repo, global_gitconfig_path);
682 aba9c984 2019-09-08 stsp if (repo->gitconfig_repository_format_version != 0)
683 aba9c984 2019-09-08 stsp err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
684 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++) {
685 20b7abb3 2020-10-22 stsp char *ext = repo->extensions[i];
686 20b7abb3 2020-10-22 stsp int j, supported = 0;
687 20b7abb3 2020-10-22 stsp for (j = 0; j < nitems(repo_extensions); j++) {
688 20b7abb3 2020-10-22 stsp if (strcmp(ext, repo_extensions[j]) == 0) {
689 20b7abb3 2020-10-22 stsp supported = 1;
693 20b7abb3 2020-10-22 stsp if (!supported) {
694 20b7abb3 2020-10-22 stsp err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
700 5c2f5761 2018-09-19 stsp got_repo_close(repo);
702 85f51bba 2018-07-16 stsp *repop = repo;
703 aff6eea4 2020-10-20 stsp free(repo_path);
704 92af5469 2017-11-05 stsp return err;
707 ad242220 2018-09-08 stsp const struct got_error *
708 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
710 ad242220 2018-09-08 stsp const struct got_error *err = NULL, *child_err;
713 65cf1e80 2018-03-16 stsp for (i = 0; i < nitems(repo->packidx_cache); i++) {
714 65cf1e80 2018-03-16 stsp if (repo->packidx_cache[i] == NULL)
716 65cf1e80 2018-03-16 stsp got_packidx_close(repo->packidx_cache[i]);
719 7e656b93 2018-03-17 stsp for (i = 0; i < nitems(repo->packs); i++) {
720 7e656b93 2018-03-17 stsp if (repo->packs[i].path_packfile == NULL)
722 7e656b93 2018-03-17 stsp got_pack_close(&repo->packs[i]);
725 4027f31a 2017-11-04 stsp free(repo->path);
726 4986b9d5 2018-03-12 stsp free(repo->path_git_dir);
728 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->objcache);
729 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->treecache);
730 6bef87be 2018-09-11 stsp got_object_cache_close(&repo->commitcache);
731 f4a881ce 2018-11-17 stsp got_object_cache_close(&repo->tagcache);
733 ad242220 2018-09-08 stsp for (i = 0; i < nitems(repo->privsep_children); i++) {
734 ad242220 2018-09-08 stsp if (repo->privsep_children[i].imsg_fd == -1)
736 3516b818 2018-09-08 stsp imsg_clear(repo->privsep_children[i].ibuf);
737 3516b818 2018-09-08 stsp free(repo->privsep_children[i].ibuf);
738 ad242220 2018-09-08 stsp err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
739 876c234b 2018-09-10 stsp child_err = got_privsep_wait_for_child(
740 876c234b 2018-09-10 stsp repo->privsep_children[i].pid);
741 ad242220 2018-09-08 stsp if (child_err && err == NULL)
742 ad242220 2018-09-08 stsp err = child_err;
743 08578a35 2021-01-22 stsp if (close(repo->privsep_children[i].imsg_fd) == -1 &&
744 3a6ce05a 2019-02-11 stsp err == NULL)
745 638f9024 2019-05-13 stsp err = got_error_from_errno("close");
748 50b0790e 2020-09-11 stsp if (repo->gotconfig)
749 50b0790e 2020-09-11 stsp got_gotconfig_free(repo->gotconfig);
750 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_name);
751 aba9c984 2019-09-08 stsp free(repo->gitconfig_author_email);
752 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->ngitconfig_remotes; i++)
753 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
754 cd95becd 2019-11-29 stsp free(repo->gitconfig_remotes);
755 20b7abb3 2020-10-22 stsp for (i = 0; i < repo->nextensions; i++)
756 20b7abb3 2020-10-22 stsp free(repo->extensions[i]);
757 20b7abb3 2020-10-22 stsp free(repo->extensions);
758 4027f31a 2017-11-04 stsp free(repo);
760 ad242220 2018-09-08 stsp return err;
764 b8adfa55 2020-09-25 stsp got_repo_free_remote_repo_data(struct got_remote_repo *repo)
768 b8adfa55 2020-09-25 stsp free(repo->name);
769 b8adfa55 2020-09-25 stsp repo->name = NULL;
770 b8adfa55 2020-09-25 stsp free(repo->url);
771 b8adfa55 2020-09-25 stsp repo->url = NULL;
772 b8adfa55 2020-09-25 stsp for (i = 0; i < repo->nbranches; i++)
773 b8adfa55 2020-09-25 stsp free(repo->branches[i]);
774 b8adfa55 2020-09-25 stsp free(repo->branches);
775 b8adfa55 2020-09-25 stsp repo->branches = NULL;
776 b8adfa55 2020-09-25 stsp repo->nbranches = 0;
779 04ca23f4 2018-07-16 stsp const struct got_error *
780 04ca23f4 2018-07-16 stsp got_repo_map_path(char **in_repo_path, struct got_repository *repo,
781 8fa913ec 2020-11-14 stsp const char *input_path)
783 04ca23f4 2018-07-16 stsp const struct got_error *err = NULL;
784 7839bc15 2019-01-06 stsp const char *repo_abspath = NULL;
785 e83c0634 2020-01-27 stsp size_t repolen, len;
786 e83c0634 2020-01-27 stsp char *canonpath, *path = NULL;
788 04ca23f4 2018-07-16 stsp *in_repo_path = NULL;
790 04ca23f4 2018-07-16 stsp canonpath = strdup(input_path);
791 04ca23f4 2018-07-16 stsp if (canonpath == NULL) {
792 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
795 04ca23f4 2018-07-16 stsp err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
799 04ca23f4 2018-07-16 stsp repo_abspath = got_repo_get_path(repo);
801 8fa913ec 2020-11-14 stsp if (canonpath[0] == '\0') {
802 23721109 2018-10-22 stsp path = strdup(canonpath);
803 b70703ad 2019-03-18 stsp if (path == NULL) {
804 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
808 04ca23f4 2018-07-16 stsp path = realpath(canonpath, NULL);
809 04ca23f4 2018-07-16 stsp if (path == NULL) {
810 b70703ad 2019-03-18 stsp if (errno != ENOENT) {
811 638f9024 2019-05-13 stsp err = got_error_from_errno2("realpath",
816 b70703ad 2019-03-18 stsp * Path is not on disk.
817 b70703ad 2019-03-18 stsp * Assume it is already relative to repository root.
819 b70703ad 2019-03-18 stsp path = strdup(canonpath);
820 b70703ad 2019-03-18 stsp if (path == NULL) {
821 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
826 04ca23f4 2018-07-16 stsp repolen = strlen(repo_abspath);
827 04ca23f4 2018-07-16 stsp len = strlen(path);
830 04ca23f4 2018-07-16 stsp if (strcmp(path, repo_abspath) == 0) {
831 04ca23f4 2018-07-16 stsp free(path);
832 04ca23f4 2018-07-16 stsp path = strdup("");
833 04ca23f4 2018-07-16 stsp if (path == NULL) {
834 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
837 65aa7d1c 2020-01-28 stsp } else if (len > repolen &&
838 65aa7d1c 2020-01-28 stsp got_path_is_child(path, repo_abspath, repolen)) {
839 04ca23f4 2018-07-16 stsp /* Matched an on-disk path inside repository. */
840 04ca23f4 2018-07-16 stsp if (got_repo_is_bare(repo)) {
842 04ca23f4 2018-07-16 stsp * Matched an on-disk path inside repository
843 eef9542c 2020-10-22 stsp * database. Treat input as repository-relative.
845 eef9542c 2020-10-22 stsp free(path);
846 eef9542c 2020-10-22 stsp path = canonpath;
847 eef9542c 2020-10-22 stsp canonpath = NULL;
849 04ca23f4 2018-07-16 stsp char *child;
850 04ca23f4 2018-07-16 stsp /* Strip common prefix with repository path. */
851 04ca23f4 2018-07-16 stsp err = got_path_skip_common_ancestor(&child,
852 04ca23f4 2018-07-16 stsp repo_abspath, path);
855 04ca23f4 2018-07-16 stsp free(path);
856 04ca23f4 2018-07-16 stsp path = child;
860 04ca23f4 2018-07-16 stsp * Matched unrelated on-disk path.
861 eef9542c 2020-10-22 stsp * Treat input as repository-relative.
863 eef9542c 2020-10-22 stsp free(path);
864 eef9542c 2020-10-22 stsp path = canonpath;
865 eef9542c 2020-10-22 stsp canonpath = NULL;
869 04ca23f4 2018-07-16 stsp /* Make in-repository path absolute */
870 04ca23f4 2018-07-16 stsp if (path[0] != '/') {
871 04ca23f4 2018-07-16 stsp char *abspath;
872 04ca23f4 2018-07-16 stsp if (asprintf(&abspath, "/%s", path) == -1) {
873 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
876 04ca23f4 2018-07-16 stsp free(path);
877 04ca23f4 2018-07-16 stsp path = abspath;
881 04ca23f4 2018-07-16 stsp free(canonpath);
883 04ca23f4 2018-07-16 stsp free(path);
885 04ca23f4 2018-07-16 stsp *in_repo_path = path;
886 1510f469 2018-09-09 stsp return err;
889 e1a68182 2020-01-07 stsp static const struct got_error *
890 e1a68182 2020-01-07 stsp cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
891 e1a68182 2020-01-07 stsp const char *path_packidx)
893 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
896 1510f469 2018-09-09 stsp for (i = 0; i < nitems(repo->packidx_cache); i++) {
897 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
899 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
900 e1a68182 2020-01-07 stsp path_packidx) == 0) {
901 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
904 1510f469 2018-09-09 stsp if (i == nitems(repo->packidx_cache)) {
905 1510f469 2018-09-09 stsp err = got_packidx_close(repo->packidx_cache[i - 1]);
907 1510f469 2018-09-09 stsp return err;
911 15fe583f 2018-11-05 stsp * Insert the new pack index at the front so it will
912 15fe583f 2018-11-05 stsp * be searched first in the future.
914 15fe583f 2018-11-05 stsp memmove(&repo->packidx_cache[1], &repo->packidx_cache[0],
915 15fe583f 2018-11-05 stsp sizeof(repo->packidx_cache) -
916 15fe583f 2018-11-05 stsp sizeof(repo->packidx_cache[0]));
917 15fe583f 2018-11-05 stsp repo->packidx_cache[0] = packidx;
919 1510f469 2018-09-09 stsp return NULL;
923 1510f469 2018-09-09 stsp is_packidx_filename(const char *name, size_t len)
925 1510f469 2018-09-09 stsp if (len != GOT_PACKIDX_NAMELEN)
928 1510f469 2018-09-09 stsp if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
931 1510f469 2018-09-09 stsp if (strcmp(name + strlen(GOT_PACK_PREFIX) +
932 1510f469 2018-09-09 stsp SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
938 1510f469 2018-09-09 stsp const struct got_error *
939 1510f469 2018-09-09 stsp got_repo_search_packidx(struct got_packidx **packidx, int *idx,
940 1510f469 2018-09-09 stsp struct got_repository *repo, struct got_object_id *id)
942 1510f469 2018-09-09 stsp const struct got_error *err;
943 6d5a9006 2020-12-16 yzhong DIR *packdir = NULL;
944 1510f469 2018-09-09 stsp struct dirent *dent;
945 1510f469 2018-09-09 stsp char *path_packidx;
947 6d5a9006 2020-12-16 yzhong int packdir_fd;
949 1510f469 2018-09-09 stsp /* Search pack index cache. */
950 1510f469 2018-09-09 stsp for (i = 0; i < nitems(repo->packidx_cache); i++) {
951 1510f469 2018-09-09 stsp if (repo->packidx_cache[i] == NULL)
953 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
954 1510f469 2018-09-09 stsp if (*idx != -1) {
955 1510f469 2018-09-09 stsp *packidx = repo->packidx_cache[i];
957 87c1ed2b 2020-01-07 stsp * Move this cache entry to the front. Repeatedly
958 87c1ed2b 2020-01-07 stsp * searching a wrong pack index can be expensive.
960 87c1ed2b 2020-01-07 stsp if (i > 0) {
961 87c1ed2b 2020-01-07 stsp struct got_packidx *p;
962 87c1ed2b 2020-01-07 stsp p = repo->packidx_cache[0];
963 87c1ed2b 2020-01-07 stsp repo->packidx_cache[0] = *packidx;
964 87c1ed2b 2020-01-07 stsp repo->packidx_cache[i] = p;
966 1510f469 2018-09-09 stsp return NULL;
969 1510f469 2018-09-09 stsp /* No luck. Search the filesystem. */
971 6d5a9006 2020-12-16 yzhong packdir_fd = openat(got_repo_get_fd(repo),
972 6d5a9006 2020-12-16 yzhong GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
973 6d5a9006 2020-12-16 yzhong if (packdir_fd == -1) {
974 b90deaa1 2019-07-27 stsp if (errno == ENOENT)
975 b90deaa1 2019-07-27 stsp err = got_error_no_obj(id);
977 6d5a9006 2020-12-16 yzhong err = got_error_from_errno_fmt("openat: %s/%s",
978 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo),
979 6d5a9006 2020-12-16 yzhong GOT_OBJECTS_PACK_DIR);
983 6d5a9006 2020-12-16 yzhong packdir = fdopendir(packdir_fd);
984 6d5a9006 2020-12-16 yzhong if (packdir == NULL) {
985 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("fdopendir");
986 6d5a9006 2020-12-16 yzhong goto done;
989 1510f469 2018-09-09 stsp while ((dent = readdir(packdir)) != NULL) {
990 e1a68182 2020-01-07 stsp int is_cached = 0;
992 1510f469 2018-09-09 stsp if (!is_packidx_filename(dent->d_name, dent->d_namlen))
995 6d5a9006 2020-12-16 yzhong if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
996 1510f469 2018-09-09 stsp dent->d_name) == -1) {
997 638f9024 2019-05-13 stsp err = got_error_from_errno("asprintf");
1001 e1a68182 2020-01-07 stsp for (i = 0; i < nitems(repo->packidx_cache); i++) {
1002 e1a68182 2020-01-07 stsp if (repo->packidx_cache[i] == NULL)
1004 e1a68182 2020-01-07 stsp if (strcmp(repo->packidx_cache[i]->path_packidx,
1005 e1a68182 2020-01-07 stsp path_packidx) == 0) {
1006 e1a68182 2020-01-07 stsp is_cached = 1;
1010 e1a68182 2020-01-07 stsp if (is_cached) {
1011 e1a68182 2020-01-07 stsp free(path_packidx);
1012 e1a68182 2020-01-07 stsp continue; /* already searched */
1015 6d5a9006 2020-12-16 yzhong err = got_packidx_open(packidx, got_repo_get_fd(repo),
1016 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1017 e1a68182 2020-01-07 stsp if (err) {
1018 e1a68182 2020-01-07 stsp free(path_packidx);
1019 e1a68182 2020-01-07 stsp goto done;
1022 e1a68182 2020-01-07 stsp err = cache_packidx(repo, *packidx, path_packidx);
1023 1510f469 2018-09-09 stsp free(path_packidx);
1025 1510f469 2018-09-09 stsp goto done;
1027 1510f469 2018-09-09 stsp *idx = got_packidx_get_object_idx(*packidx, id);
1028 1510f469 2018-09-09 stsp if (*idx != -1) {
1029 1510f469 2018-09-09 stsp err = NULL; /* found the object */
1030 1510f469 2018-09-09 stsp goto done;
1034 91a3d81f 2018-11-11 stsp err = got_error_no_obj(id);
1036 d69bcdf7 2019-06-28 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1037 638f9024 2019-05-13 stsp err = got_error_from_errno("closedir");
1038 04ca23f4 2018-07-16 stsp return err;
1041 1510f469 2018-09-09 stsp static const struct got_error *
1042 1510f469 2018-09-09 stsp read_packfile_hdr(int fd, struct got_packidx *packidx)
1044 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1045 78fb0967 2020-09-09 naddy uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1046 1510f469 2018-09-09 stsp struct got_packfile_hdr hdr;
1047 1510f469 2018-09-09 stsp ssize_t n;
1049 1510f469 2018-09-09 stsp n = read(fd, &hdr, sizeof(hdr));
1050 1510f469 2018-09-09 stsp if (n < 0)
1051 638f9024 2019-05-13 stsp return got_error_from_errno("read");
1052 1510f469 2018-09-09 stsp if (n != sizeof(hdr))
1053 1510f469 2018-09-09 stsp return got_error(GOT_ERR_BAD_PACKFILE);
1055 78fb0967 2020-09-09 naddy if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1056 78fb0967 2020-09-09 naddy be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1057 78fb0967 2020-09-09 naddy be32toh(hdr.nobjects) != totobj)
1058 1510f469 2018-09-09 stsp err = got_error(GOT_ERR_BAD_PACKFILE);
1060 1510f469 2018-09-09 stsp return err;
1063 1510f469 2018-09-09 stsp static const struct got_error *
1064 6d5a9006 2020-12-16 yzhong open_packfile(int *fd, struct got_repository *repo,
1065 6d5a9006 2020-12-16 yzhong const char *relpath, struct got_packidx *packidx)
1067 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1069 6d5a9006 2020-12-16 yzhong *fd = openat(got_repo_get_fd(repo), relpath, O_RDONLY | O_NOFOLLOW);
1070 1510f469 2018-09-09 stsp if (*fd == -1)
1071 6d5a9006 2020-12-16 yzhong return got_error_from_errno_fmt("openat: %s/%s",
1072 6d5a9006 2020-12-16 yzhong got_repo_get_path_git_dir(repo), relpath);
1074 1510f469 2018-09-09 stsp if (packidx) {
1075 1510f469 2018-09-09 stsp err = read_packfile_hdr(*fd, packidx);
1076 1510f469 2018-09-09 stsp if (err) {
1077 1510f469 2018-09-09 stsp close(*fd);
1082 1510f469 2018-09-09 stsp return err;
1085 1510f469 2018-09-09 stsp const struct got_error *
1086 1510f469 2018-09-09 stsp got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1087 1510f469 2018-09-09 stsp const char *path_packfile, struct got_packidx *packidx)
1089 1510f469 2018-09-09 stsp const struct got_error *err = NULL;
1090 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1091 ff563a3d 2019-05-23 stsp struct stat sb;
1094 1510f469 2018-09-09 stsp if (packp)
1095 1510f469 2018-09-09 stsp *packp = NULL;
1097 1510f469 2018-09-09 stsp for (i = 0; i < nitems(repo->packs); i++) {
1098 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1099 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1101 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1102 e1a68182 2020-01-07 stsp return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1105 1510f469 2018-09-09 stsp if (i == nitems(repo->packs) - 1) {
1106 1510f469 2018-09-09 stsp err = got_pack_close(&repo->packs[i - 1]);
1108 1510f469 2018-09-09 stsp return err;
1109 1510f469 2018-09-09 stsp memmove(&repo->packs[1], &repo->packs[0],
1110 1510f469 2018-09-09 stsp sizeof(repo->packs) - sizeof(repo->packs[0]));
1114 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1116 1510f469 2018-09-09 stsp pack->path_packfile = strdup(path_packfile);
1117 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL) {
1118 638f9024 2019-05-13 stsp err = got_error_from_errno("strdup");
1119 1510f469 2018-09-09 stsp goto done;
1122 6d5a9006 2020-12-16 yzhong err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1124 1510f469 2018-09-09 stsp goto done;
1126 ff563a3d 2019-05-23 stsp if (fstat(pack->fd, &sb) != 0) {
1127 ff563a3d 2019-05-23 stsp err = got_error_from_errno("fstat");
1128 1510f469 2018-09-09 stsp goto done;
1130 ff563a3d 2019-05-23 stsp pack->filesize = sb.st_size;
1132 90636195 2018-09-11 stsp pack->privsep_child = NULL;
1134 1510f469 2018-09-09 stsp #ifndef GOT_PACK_NO_MMAP
1135 1510f469 2018-09-09 stsp pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1136 1510f469 2018-09-09 stsp pack->fd, 0);
1137 3a11398b 2019-02-21 stsp if (pack->map == MAP_FAILED) {
1138 3a11398b 2019-02-21 stsp if (errno != ENOMEM) {
1139 638f9024 2019-05-13 stsp err = got_error_from_errno("mmap");
1140 3a11398b 2019-02-21 stsp goto done;
1142 1510f469 2018-09-09 stsp pack->map = NULL; /* fall back to read(2) */
1146 1510f469 2018-09-09 stsp if (err) {
1147 1510f469 2018-09-09 stsp if (pack) {
1148 1510f469 2018-09-09 stsp free(pack->path_packfile);
1149 1510f469 2018-09-09 stsp memset(pack, 0, sizeof(*pack));
1151 1510f469 2018-09-09 stsp } else if (packp)
1152 1510f469 2018-09-09 stsp *packp = pack;
1153 1510f469 2018-09-09 stsp return err;
1156 1510f469 2018-09-09 stsp struct got_pack *
1157 1510f469 2018-09-09 stsp got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1159 1510f469 2018-09-09 stsp struct got_pack *pack = NULL;
1162 1510f469 2018-09-09 stsp for (i = 0; i < nitems(repo->packs); i++) {
1163 1510f469 2018-09-09 stsp pack = &repo->packs[i];
1164 1510f469 2018-09-09 stsp if (pack->path_packfile == NULL)
1166 1510f469 2018-09-09 stsp if (strcmp(pack->path_packfile, path_packfile) == 0)
1167 1510f469 2018-09-09 stsp return pack;
1170 2c7829a4 2019-06-17 stsp return NULL;
1173 2c7829a4 2019-06-17 stsp const struct got_error *
1174 2c7829a4 2019-06-17 stsp got_repo_init(const char *repo_path)
1176 2c7829a4 2019-06-17 stsp const struct got_error *err = NULL;
1177 2c7829a4 2019-06-17 stsp const char *dirnames[] = {
1178 2c7829a4 2019-06-17 stsp GOT_OBJECTS_DIR,
1179 2c7829a4 2019-06-17 stsp GOT_OBJECTS_PACK_DIR,
1180 2c7829a4 2019-06-17 stsp GOT_REFS_DIR,
1182 2c7829a4 2019-06-17 stsp const char *description_str = "Unnamed repository; "
1183 2c7829a4 2019-06-17 stsp "edit this file 'description' to name the repository.";
1184 5d67f40d 2019-11-08 stsp const char *headref_str = "ref: refs/heads/main";
1185 2c7829a4 2019-06-17 stsp const char *gitconfig_str = "[core]\n"
1186 2c7829a4 2019-06-17 stsp "\trepositoryformatversion = 0\n"
1187 2c7829a4 2019-06-17 stsp "\tfilemode = true\n"
1188 2c7829a4 2019-06-17 stsp "\tbare = true\n";
1189 2c7829a4 2019-06-17 stsp char *path;
1192 2c7829a4 2019-06-17 stsp if (!got_path_dir_is_empty(repo_path))
1193 2c7829a4 2019-06-17 stsp return got_error(GOT_ERR_DIR_NOT_EMPTY);
1195 2c7829a4 2019-06-17 stsp for (i = 0; i < nitems(dirnames); i++) {
1196 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1197 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1199 2c7829a4 2019-06-17 stsp err = got_path_mkdir(path);
1200 2c7829a4 2019-06-17 stsp free(path);
1202 2c7829a4 2019-06-17 stsp return err;
1205 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1206 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1207 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, description_str);
1208 2c7829a4 2019-06-17 stsp free(path);
1210 2c7829a4 2019-06-17 stsp return err;
1212 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1213 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1214 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, headref_str);
1215 2c7829a4 2019-06-17 stsp free(path);
1217 2c7829a4 2019-06-17 stsp return err;
1219 2c7829a4 2019-06-17 stsp if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1220 2c7829a4 2019-06-17 stsp return got_error_from_errno("asprintf");
1221 2c7829a4 2019-06-17 stsp err = got_path_create_file(path, gitconfig_str);
1222 2c7829a4 2019-06-17 stsp free(path);
1224 2c7829a4 2019-06-17 stsp return err;
1226 1510f469 2018-09-09 stsp return NULL;
1229 e09a504c 2019-06-28 stsp static const struct got_error *
1230 4277420a 2019-06-29 stsp match_packed_object(struct got_object_id **unique_id,
1231 dd88155e 2019-06-29 stsp struct got_repository *repo, const char *id_str_prefix, int obj_type)
1233 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1234 6d5a9006 2020-12-16 yzhong DIR *packdir = NULL;
1235 e09a504c 2019-06-28 stsp struct dirent *dent;
1236 e09a504c 2019-06-28 stsp char *path_packidx;
1237 dd88155e 2019-06-29 stsp struct got_object_id_queue matched_ids;
1238 6d5a9006 2020-12-16 yzhong int packdir_fd;
1240 dd88155e 2019-06-29 stsp SIMPLEQ_INIT(&matched_ids);
1242 6d5a9006 2020-12-16 yzhong packdir_fd = openat(got_repo_get_fd(repo),
1243 6d5a9006 2020-12-16 yzhong GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
1244 6d5a9006 2020-12-16 yzhong if (packdir_fd == -1) {
1245 e4167f30 2019-07-27 stsp if (errno != ENOENT)
1246 6d5a9006 2020-12-16 yzhong err = got_error_from_errno2("openat", GOT_OBJECTS_PACK_DIR);
1247 6d5a9006 2020-12-16 yzhong goto done;
1250 6d5a9006 2020-12-16 yzhong packdir = fdopendir(packdir_fd);
1251 6d5a9006 2020-12-16 yzhong if (packdir == NULL) {
1252 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("fdopendir");
1253 e09a504c 2019-06-28 stsp goto done;
1256 e09a504c 2019-06-28 stsp while ((dent = readdir(packdir)) != NULL) {
1257 e09a504c 2019-06-28 stsp struct got_packidx *packidx;
1258 dd88155e 2019-06-29 stsp struct got_object_qid *qid;
1260 e09a504c 2019-06-28 stsp if (!is_packidx_filename(dent->d_name, dent->d_namlen))
1263 6d5a9006 2020-12-16 yzhong if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1264 e09a504c 2019-06-28 stsp dent->d_name) == -1) {
1265 6d5a9006 2020-12-16 yzhong err = got_error_from_errno("strdup");
1269 6d5a9006 2020-12-16 yzhong err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1270 6d5a9006 2020-12-16 yzhong path_packidx, 0);
1271 e09a504c 2019-06-28 stsp free(path_packidx);
1275 dd88155e 2019-06-29 stsp err = got_packidx_match_id_str_prefix(&matched_ids,
1276 4277420a 2019-06-29 stsp packidx, id_str_prefix);
1277 4277420a 2019-06-29 stsp if (err) {
1278 4277420a 2019-06-29 stsp got_packidx_close(packidx);
1281 e09a504c 2019-06-28 stsp err = got_packidx_close(packidx);
1285 dd88155e 2019-06-29 stsp SIMPLEQ_FOREACH(qid, &matched_ids, entry) {
1286 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1287 dd88155e 2019-06-29 stsp int matched_type;
1288 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1291 dd88155e 2019-06-29 stsp goto done;
1292 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1295 4277420a 2019-06-29 stsp if (*unique_id == NULL) {
1296 dd88155e 2019-06-29 stsp *unique_id = got_object_id_dup(qid->id);
1297 dd88155e 2019-06-29 stsp if (*unique_id == NULL) {
1298 dd88155e 2019-06-29 stsp err = got_error_from_errno("malloc");
1299 dd88155e 2019-06-29 stsp goto done;
1302 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, qid->id) == 0)
1303 1accf02b 2020-01-05 stsp continue; /* packed multiple times */
1304 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1305 561c3678 2019-07-02 stsp goto done;
1310 dd88155e 2019-06-29 stsp got_object_id_queue_free(&matched_ids);
1311 e09a504c 2019-06-28 stsp if (packdir && closedir(packdir) != 0 && err == NULL)
1312 e09a504c 2019-06-28 stsp err = got_error_from_errno("closedir");
1313 e09a504c 2019-06-28 stsp if (err) {
1314 e09a504c 2019-06-28 stsp free(*unique_id);
1315 e09a504c 2019-06-28 stsp *unique_id = NULL;
1317 e09a504c 2019-06-28 stsp return err;
1320 e09a504c 2019-06-28 stsp static const struct got_error *
1321 4277420a 2019-06-29 stsp match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1322 dd88155e 2019-06-29 stsp const char *object_dir, const char *id_str_prefix, int obj_type,
1323 e09a504c 2019-06-28 stsp struct got_repository *repo)
1325 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1326 e09a504c 2019-06-28 stsp char *path;
1327 e09a504c 2019-06-28 stsp DIR *dir = NULL;
1328 e09a504c 2019-06-28 stsp struct dirent *dent;
1329 e09a504c 2019-06-28 stsp struct got_object_id id;
1331 e09a504c 2019-06-28 stsp if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1332 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1333 e09a504c 2019-06-28 stsp goto done;
1336 e09a504c 2019-06-28 stsp dir = opendir(path);
1337 e09a504c 2019-06-28 stsp if (dir == NULL) {
1338 4277420a 2019-06-29 stsp if (errno == ENOENT) {
1339 4277420a 2019-06-29 stsp err = NULL;
1340 4277420a 2019-06-29 stsp goto done;
1342 e09a504c 2019-06-28 stsp err = got_error_from_errno2("opendir", path);
1343 e09a504c 2019-06-28 stsp goto done;
1345 e09a504c 2019-06-28 stsp while ((dent = readdir(dir)) != NULL) {
1346 e09a504c 2019-06-28 stsp char *id_str;
1349 e09a504c 2019-06-28 stsp if (strcmp(dent->d_name, ".") == 0 ||
1350 e09a504c 2019-06-28 stsp strcmp(dent->d_name, "..") == 0)
1353 e09a504c 2019-06-28 stsp if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1354 e09a504c 2019-06-28 stsp err = got_error_from_errno("asprintf");
1355 e09a504c 2019-06-28 stsp goto done;
1358 e09a504c 2019-06-28 stsp if (!got_parse_sha1_digest(id.sha1, id_str))
1362 52d1d0d9 2019-07-07 stsp * Directory entries do not necessarily appear in
1363 52d1d0d9 2019-07-07 stsp * sorted order, so we must iterate over all of them.
1365 5903ff6e 2019-06-29 stsp cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1366 52d1d0d9 2019-07-07 stsp if (cmp != 0) {
1367 e09a504c 2019-06-28 stsp free(id_str);
1371 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1372 dd88155e 2019-06-29 stsp if (obj_type != GOT_OBJ_TYPE_ANY) {
1373 dd88155e 2019-06-29 stsp int matched_type;
1374 dd88155e 2019-06-29 stsp err = got_object_get_type(&matched_type, repo,
1377 dd88155e 2019-06-29 stsp goto done;
1378 dd88155e 2019-06-29 stsp if (matched_type != obj_type)
1381 e09a504c 2019-06-28 stsp *unique_id = got_object_id_dup(&id);
1382 e09a504c 2019-06-28 stsp if (*unique_id == NULL) {
1383 e09a504c 2019-06-28 stsp err = got_error_from_errno("got_object_id_dup");
1384 e09a504c 2019-06-28 stsp free(id_str);
1385 e09a504c 2019-06-28 stsp goto done;
1388 1accf02b 2020-01-05 stsp if (got_object_id_cmp(*unique_id, &id) == 0)
1389 1accf02b 2020-01-05 stsp continue; /* both packed and loose */
1390 e09a504c 2019-06-28 stsp err = got_error(GOT_ERR_AMBIGUOUS_ID);
1391 e09a504c 2019-06-28 stsp free(id_str);
1392 e09a504c 2019-06-28 stsp goto done;
1396 b2df341b 2019-06-29 stsp if (dir && closedir(dir) != 0 && err == NULL)
1397 b2df341b 2019-06-29 stsp err = got_error_from_errno("closedir");
1398 e09a504c 2019-06-28 stsp if (err) {
1399 e09a504c 2019-06-28 stsp free(*unique_id);
1400 e09a504c 2019-06-28 stsp *unique_id = NULL;
1402 e09a504c 2019-06-28 stsp free(path);
1403 e09a504c 2019-06-28 stsp return err;
1406 e09a504c 2019-06-28 stsp const struct got_error *
1407 4277420a 2019-06-29 stsp got_repo_match_object_id_prefix(struct got_object_id **id,
1408 dd88155e 2019-06-29 stsp const char *id_str_prefix, int obj_type, struct got_repository *repo)
1410 e09a504c 2019-06-28 stsp const struct got_error *err = NULL;
1411 e09a504c 2019-06-28 stsp char *path_objects = got_repo_get_path_objects(repo);
1412 e09a504c 2019-06-28 stsp char *object_dir = NULL;
1413 e09a504c 2019-06-28 stsp size_t len;
1416 4277420a 2019-06-29 stsp *id = NULL;
1418 4277420a 2019-06-29 stsp for (i = 0; i < strlen(id_str_prefix); i++) {
1419 4277420a 2019-06-29 stsp if (isxdigit((unsigned char)id_str_prefix[i]))
1421 6dd1ece6 2019-11-10 stsp return got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1424 e09a504c 2019-06-28 stsp len = strlen(id_str_prefix);
1425 e09a504c 2019-06-28 stsp if (len >= 2) {
1426 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, id_str_prefix, obj_type);
1428 83c8b3b8 2019-06-29 stsp goto done;
1429 e09a504c 2019-06-28 stsp object_dir = strndup(id_str_prefix, 2);
1430 83c8b3b8 2019-06-29 stsp if (object_dir == NULL) {
1431 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("strdup");
1432 83c8b3b8 2019-06-29 stsp goto done;
1434 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1435 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1436 e09a504c 2019-06-28 stsp } else if (len == 1) {
1438 e09a504c 2019-06-28 stsp for (i = 0; i < 0xf; i++) {
1439 e09a504c 2019-06-28 stsp if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1441 83c8b3b8 2019-06-29 stsp err = got_error_from_errno("asprintf");
1442 83c8b3b8 2019-06-29 stsp goto done;
1444 dd88155e 2019-06-29 stsp err = match_packed_object(id, repo, object_dir,
1445 dd88155e 2019-06-29 stsp obj_type);
1447 83c8b3b8 2019-06-29 stsp goto done;
1448 4277420a 2019-06-29 stsp err = match_loose_object(id, path_objects, object_dir,
1449 dd88155e 2019-06-29 stsp id_str_prefix, obj_type, repo);
1451 83c8b3b8 2019-06-29 stsp goto done;
1454 6dd1ece6 2019-11-10 stsp err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1455 83c8b3b8 2019-06-29 stsp goto done;
1458 e09a504c 2019-06-28 stsp free(object_dir);
1459 4277420a 2019-06-29 stsp if (err) {
1460 4277420a 2019-06-29 stsp free(*id);
1461 4277420a 2019-06-29 stsp *id = NULL;
1462 4277420a 2019-06-29 stsp } else if (*id == NULL)
1463 86d8a25a 2020-04-19 stsp err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
1465 303e2782 2019-08-09 stsp return err;
1468 303e2782 2019-08-09 stsp const struct got_error *
1469 71a27632 2020-01-15 stsp got_repo_match_object_id(struct got_object_id **id, char **label,
1470 84de9106 2020-12-26 stsp const char *id_str, int obj_type, struct got_reflist_head *refs,
1471 71a27632 2020-01-15 stsp struct got_repository *repo)
1473 71a27632 2020-01-15 stsp const struct got_error *err;
1474 71a27632 2020-01-15 stsp struct got_tag_object *tag;
1475 71a27632 2020-01-15 stsp struct got_reference *ref = NULL;
1477 71a27632 2020-01-15 stsp *id = NULL;
1478 71a27632 2020-01-15 stsp if (label)
1479 71a27632 2020-01-15 stsp *label = NULL;
1481 84de9106 2020-12-26 stsp if (refs) {
1482 71a27632 2020-01-15 stsp err = got_repo_object_match_tag(&tag, id_str, GOT_OBJ_TYPE_ANY,
1483 84de9106 2020-12-26 stsp refs, repo);
1484 71a27632 2020-01-15 stsp if (err == NULL) {
1485 71a27632 2020-01-15 stsp *id = got_object_id_dup(
1486 71a27632 2020-01-15 stsp got_object_tag_get_object_id(tag));
1487 71a27632 2020-01-15 stsp if (*id == NULL)
1488 71a27632 2020-01-15 stsp err = got_error_from_errno("got_object_id_dup");
1489 71a27632 2020-01-15 stsp else if (label && asprintf(label, "refs/tags/%s",
1490 71a27632 2020-01-15 stsp got_object_tag_get_name(tag)) == -1) {
1491 71a27632 2020-01-15 stsp err = got_error_from_errno("asprintf");
1492 71a27632 2020-01-15 stsp free(*id);
1493 71a27632 2020-01-15 stsp *id = NULL;
1495 71a27632 2020-01-15 stsp got_object_tag_close(tag);
1496 71a27632 2020-01-15 stsp return err;
1497 71a27632 2020-01-15 stsp } else if (err->code != GOT_ERR_OBJ_TYPE &&
1498 71a27632 2020-01-15 stsp err->code != GOT_ERR_NO_OBJ)
1499 71a27632 2020-01-15 stsp return err;
1502 71a27632 2020-01-15 stsp err = got_repo_match_object_id_prefix(id, id_str, obj_type, repo);
1503 71a27632 2020-01-15 stsp if (err) {
1504 71a27632 2020-01-15 stsp if (err->code != GOT_ERR_BAD_OBJ_ID_STR)
1505 71a27632 2020-01-15 stsp return err;
1506 71a27632 2020-01-15 stsp err = got_ref_open(&ref, repo, id_str, 0);
1507 71a27632 2020-01-15 stsp if (err != NULL)
1508 71a27632 2020-01-15 stsp goto done;
1509 71a27632 2020-01-15 stsp if (label) {
1510 71a27632 2020-01-15 stsp *label = strdup(got_ref_get_name(ref));
1511 71a27632 2020-01-15 stsp if (*label == NULL) {
1512 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1513 71a27632 2020-01-15 stsp goto done;
1516 71a27632 2020-01-15 stsp err = got_ref_resolve(id, repo, ref);
1517 71a27632 2020-01-15 stsp } else if (label) {
1518 71a27632 2020-01-15 stsp err = got_object_id_str(label, *id);
1519 71a27632 2020-01-15 stsp if (*label == NULL) {
1520 71a27632 2020-01-15 stsp err = got_error_from_errno("strdup");
1521 71a27632 2020-01-15 stsp goto done;
1526 71a27632 2020-01-15 stsp got_ref_close(ref);
1527 71a27632 2020-01-15 stsp return err;
1530 71a27632 2020-01-15 stsp const struct got_error *
1531 303e2782 2019-08-09 stsp got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
1532 84de9106 2020-12-26 stsp int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
1534 84de9106 2020-12-26 stsp const struct got_error *err = NULL;
1535 303e2782 2019-08-09 stsp struct got_reflist_entry *re;
1536 303e2782 2019-08-09 stsp struct got_object_id *tag_id;
1537 785d65a4 2020-12-05 stsp int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
1539 303e2782 2019-08-09 stsp *tag = NULL;
1541 d9dff0e5 2020-12-26 stsp TAILQ_FOREACH(re, refs, entry) {
1542 303e2782 2019-08-09 stsp const char *refname;
1543 303e2782 2019-08-09 stsp refname = got_ref_get_name(re->ref);
1544 29606af7 2019-08-23 stsp if (got_ref_is_symbolic(re->ref))
1546 84de9106 2020-12-26 stsp if (strncmp(refname, "refs/tags/", 10) != 0)
1548 785d65a4 2020-12-05 stsp if (!name_is_absolute)
1549 785d65a4 2020-12-05 stsp refname += strlen("refs/tags/");
1550 303e2782 2019-08-09 stsp if (strcmp(refname, name) != 0)
1552 303e2782 2019-08-09 stsp err = got_ref_resolve(&tag_id, repo, re->ref);
1555 303e2782 2019-08-09 stsp err = got_object_open_as_tag(tag, repo, tag_id);
1556 303e2782 2019-08-09 stsp free(tag_id);
1559 d24820bf 2019-08-11 stsp if (obj_type == GOT_OBJ_TYPE_ANY ||
1560 d24820bf 2019-08-11 stsp got_object_tag_get_object_type(*tag) == obj_type)
1562 303e2782 2019-08-09 stsp got_object_tag_close(*tag);
1563 303e2782 2019-08-09 stsp *tag = NULL;
1566 303e2782 2019-08-09 stsp if (err == NULL && *tag == NULL)
1567 ded8fbb8 2020-04-19 stsp err = got_error_path(name, GOT_ERR_NO_OBJ);
1568 e09a504c 2019-06-28 stsp return err;
1571 3ce1b845 2019-07-15 stsp static const struct got_error *
1572 3ce1b845 2019-07-15 stsp alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
1573 3ce1b845 2019-07-15 stsp const char *name, mode_t mode, struct got_object_id *blob_id)
1575 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1577 3ce1b845 2019-07-15 stsp *new_te = NULL;
1579 3ce1b845 2019-07-15 stsp *new_te = calloc(1, sizeof(**new_te));
1580 3ce1b845 2019-07-15 stsp if (*new_te == NULL)
1581 3ce1b845 2019-07-15 stsp return got_error_from_errno("calloc");
1583 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
1584 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1585 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1586 3ce1b845 2019-07-15 stsp goto done;
1589 e8863bdc 2020-07-23 stsp if (S_ISLNK(mode)) {
1590 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFLNK;
1592 e8863bdc 2020-07-23 stsp (*new_te)->mode = S_IFREG;
1593 e8863bdc 2020-07-23 stsp (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
1595 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
1597 3ce1b845 2019-07-15 stsp if (err && *new_te) {
1598 56e0773d 2019-11-28 stsp free(*new_te);
1599 3ce1b845 2019-07-15 stsp *new_te = NULL;
1601 3ce1b845 2019-07-15 stsp return err;
1604 3ce1b845 2019-07-15 stsp static const struct got_error *
1605 3ce1b845 2019-07-15 stsp import_file(struct got_tree_entry **new_te, struct dirent *de,
1606 3ce1b845 2019-07-15 stsp const char *path, struct got_repository *repo)
1608 3ce1b845 2019-07-15 stsp const struct got_error *err;
1609 3ce1b845 2019-07-15 stsp struct got_object_id *blob_id = NULL;
1610 3ce1b845 2019-07-15 stsp char *filepath;
1611 3ce1b845 2019-07-15 stsp struct stat sb;
1613 3ce1b845 2019-07-15 stsp if (asprintf(&filepath, "%s%s%s", path,
1614 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1615 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1617 3ce1b845 2019-07-15 stsp if (lstat(filepath, &sb) != 0) {
1618 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("lstat", path);
1619 3ce1b845 2019-07-15 stsp goto done;
1622 3ce1b845 2019-07-15 stsp err = got_object_blob_create(&blob_id, filepath, repo);
1624 3ce1b845 2019-07-15 stsp goto done;
1626 3ce1b845 2019-07-15 stsp err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
1629 3ce1b845 2019-07-15 stsp free(filepath);
1631 3ce1b845 2019-07-15 stsp free(blob_id);
1632 3ce1b845 2019-07-15 stsp return err;
1635 3ce1b845 2019-07-15 stsp static const struct got_error *
1636 3ce1b845 2019-07-15 stsp insert_tree_entry(struct got_tree_entry *new_te,
1637 3ce1b845 2019-07-15 stsp struct got_pathlist_head *paths)
1639 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1640 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *new_pe;
1642 3ce1b845 2019-07-15 stsp err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
1644 3ce1b845 2019-07-15 stsp return err;
1645 3ce1b845 2019-07-15 stsp if (new_pe == NULL)
1646 3ce1b845 2019-07-15 stsp return got_error(GOT_ERR_TREE_DUP_ENTRY);
1647 3ce1b845 2019-07-15 stsp return NULL;
1650 3ce1b845 2019-07-15 stsp static const struct got_error *write_tree(struct got_object_id **,
1651 3ce1b845 2019-07-15 stsp const char *, struct got_pathlist_head *, struct got_repository *,
1652 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg);
1654 3ce1b845 2019-07-15 stsp static const struct got_error *
1655 3ce1b845 2019-07-15 stsp import_subdir(struct got_tree_entry **new_te, struct dirent *de,
1656 3ce1b845 2019-07-15 stsp const char *path, struct got_pathlist_head *ignores,
1657 3ce1b845 2019-07-15 stsp struct got_repository *repo,
1658 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1660 3ce1b845 2019-07-15 stsp const struct got_error *err;
1661 56e0773d 2019-11-28 stsp struct got_object_id *id = NULL;
1662 3ce1b845 2019-07-15 stsp char *subdirpath;
1664 3ce1b845 2019-07-15 stsp if (asprintf(&subdirpath, "%s%s%s", path,
1665 3ce1b845 2019-07-15 stsp path[0] == '\0' ? "" : "/", de->d_name) == -1)
1666 3ce1b845 2019-07-15 stsp return got_error_from_errno("asprintf");
1668 3ce1b845 2019-07-15 stsp (*new_te) = calloc(1, sizeof(**new_te));
1669 d6fca0ba 2019-09-15 hiltjo if (*new_te == NULL)
1670 d6fca0ba 2019-09-15 hiltjo return got_error_from_errno("calloc");
1671 3ce1b845 2019-07-15 stsp (*new_te)->mode = S_IFDIR;
1672 56e0773d 2019-11-28 stsp if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
1673 56e0773d 2019-11-28 stsp sizeof((*new_te)->name)) {
1674 56e0773d 2019-11-28 stsp err = got_error(GOT_ERR_NO_SPACE);
1675 3ce1b845 2019-07-15 stsp goto done;
1677 56e0773d 2019-11-28 stsp err = write_tree(&id, subdirpath, ignores, repo,
1678 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1680 56e0773d 2019-11-28 stsp goto done;
1681 56e0773d 2019-11-28 stsp memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
1685 3ce1b845 2019-07-15 stsp free(subdirpath);
1686 3ce1b845 2019-07-15 stsp if (err) {
1687 56e0773d 2019-11-28 stsp free(*new_te);
1688 3ce1b845 2019-07-15 stsp *new_te = NULL;
1690 3ce1b845 2019-07-15 stsp return err;
1693 3ce1b845 2019-07-15 stsp static const struct got_error *
1694 3ce1b845 2019-07-15 stsp write_tree(struct got_object_id **new_tree_id, const char *path_dir,
1695 3ce1b845 2019-07-15 stsp struct got_pathlist_head *ignores, struct got_repository *repo,
1696 3ce1b845 2019-07-15 stsp got_repo_import_cb progress_cb, void *progress_arg)
1698 3ce1b845 2019-07-15 stsp const struct got_error *err = NULL;
1700 3ce1b845 2019-07-15 stsp struct dirent *de;
1701 56e0773d 2019-11-28 stsp int nentries;
1702 3ce1b845 2019-07-15 stsp struct got_tree_entry *new_te = NULL;
1703 3ce1b845 2019-07-15 stsp struct got_pathlist_head paths;
1704 3ce1b845 2019-07-15 stsp struct got_pathlist_entry *pe;
1706 3ce1b845 2019-07-15 stsp *new_tree_id = NULL;
1708 3ce1b845 2019-07-15 stsp TAILQ_INIT(&paths);
1710 3ce1b845 2019-07-15 stsp dir = opendir(path_dir);
1711 3ce1b845 2019-07-15 stsp if (dir == NULL) {
1712 3ce1b845 2019-07-15 stsp err = got_error_from_errno2("opendir", path_dir);
1713 3ce1b845 2019-07-15 stsp goto done;
1716 56e0773d 2019-11-28 stsp nentries = 0;
1717 3ce1b845 2019-07-15 stsp while ((de = readdir(dir)) != NULL) {
1718 3ce1b845 2019-07-15 stsp int ignore = 0;
1721 3ce1b845 2019-07-15 stsp if (strcmp(de->d_name, ".") == 0 ||
1722 3ce1b845 2019-07-15 stsp strcmp(de->d_name, "..") == 0)
1725 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, ignores, entry) {
1726 3ce1b845 2019-07-15 stsp if (fnmatch(pe->path, de->d_name, 0) == 0) {
1727 3ce1b845 2019-07-15 stsp ignore = 1;
1731 3ce1b845 2019-07-15 stsp if (ignore)
1734 20ccae39 2020-07-21 stsp err = got_path_dirent_type(&type, path_dir, de);
1736 20ccae39 2020-07-21 stsp goto done;
1738 20ccae39 2020-07-21 stsp if (type == DT_DIR) {
1739 3ce1b845 2019-07-15 stsp err = import_subdir(&new_te, de, path_dir,
1740 3ce1b845 2019-07-15 stsp ignores, repo, progress_cb, progress_arg);
1741 db1d3576 2019-10-04 stsp if (err) {
1742 db1d3576 2019-10-04 stsp if (err->code != GOT_ERR_NO_TREE_ENTRY)
1743 db1d3576 2019-10-04 stsp goto done;
1744 db1d3576 2019-10-04 stsp err = NULL;
1747 e8863bdc 2020-07-23 stsp } else if (type == DT_REG || type == DT_LNK) {
1748 3ce1b845 2019-07-15 stsp err = import_file(&new_te, de, path_dir, repo);
1750 3ce1b845 2019-07-15 stsp goto done;
1754 3ce1b845 2019-07-15 stsp err = insert_tree_entry(new_te, &paths);
1756 3ce1b845 2019-07-15 stsp goto done;
1757 56e0773d 2019-11-28 stsp nentries++;
1760 db1d3576 2019-10-04 stsp if (TAILQ_EMPTY(&paths)) {
1761 b66cd6f3 2020-07-31 stsp err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
1762 b66cd6f3 2020-07-31 stsp "cannot create tree without any entries");
1763 db1d3576 2019-10-04 stsp goto done;
1766 3ce1b845 2019-07-15 stsp TAILQ_FOREACH(pe, &paths, entry) {
1767 3ce1b845 2019-07-15 stsp struct got_tree_entry *te = pe->data;
1768 3ce1b845 2019-07-15 stsp char *path;
1769 e8863bdc 2020-07-23 stsp if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
1771 3ce1b845 2019-07-15 stsp if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
1772 3ce1b845 2019-07-15 stsp err = got_error_from_errno("asprintf");
1773 3ce1b845 2019-07-15 stsp goto done;
1775 3ce1b845 2019-07-15 stsp err = (*progress_cb)(progress_arg, path);
1776 3ce1b845 2019-07-15 stsp free(path);
1778 3ce1b845 2019-07-15 stsp goto done;
1781 56e0773d 2019-11-28 stsp err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
1784 3ce1b845 2019-07-15 stsp closedir(dir);
1785 3ce1b845 2019-07-15 stsp got_pathlist_free(&paths);
1786 3ce1b845 2019-07-15 stsp return err;
1789 3ce1b845 2019-07-15 stsp const struct got_error *
1790 3ce1b845 2019-07-15 stsp got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
1791 3ce1b845 2019-07-15 stsp const char *logmsg, const char *author, struct got_pathlist_head *ignores,
1792 3ce1b845 2019-07-15 stsp struct got_repository *repo, got_repo_import_cb progress_cb,
1793 3ce1b845 2019-07-15 stsp void *progress_arg)
1795 3ce1b845 2019-07-15 stsp const struct got_error *err;
1796 3ce1b845 2019-07-15 stsp struct got_object_id *new_tree_id;
1798 3ce1b845 2019-07-15 stsp err = write_tree(&new_tree_id, path_dir, ignores, repo,
1799 3ce1b845 2019-07-15 stsp progress_cb, progress_arg);
1801 3ce1b845 2019-07-15 stsp return err;
1803 3ce1b845 2019-07-15 stsp err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
1804 3ce1b845 2019-07-15 stsp author, time(NULL), author, time(NULL), logmsg, repo);
1805 3ce1b845 2019-07-15 stsp free(new_tree_id);
1806 3ce1b845 2019-07-15 stsp return err;
