2 * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include "got_compat.h"
19 #include <sys/types.h>
20 #include <sys/queue.h>
22 #include <sys/socket.h>
25 #include <sys/resource.h>
44 #include "got_error.h"
45 #include "got_reference.h"
46 #include "got_repository.h"
48 #include "got_cancel.h"
49 #include "got_object.h"
50 #include "got_opentemp.h"
52 #include "got_lib_delta.h"
53 #include "got_lib_delta_cache.h"
54 #include "got_lib_inflate.h"
55 #include "got_lib_object.h"
56 #include "got_lib_object_parse.h"
57 #include "got_lib_object_create.h"
58 #include "got_lib_pack.h"
59 #include "got_lib_privsep.h"
60 #include "got_lib_hash.h"
61 #include "got_lib_object_cache.h"
62 #include "got_lib_repository.h"
63 #include "got_lib_gotconfig.h"
66 #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
69 #define GOT_PACK_NUM_TEMPFILES GOT_PACK_CACHE_SIZE * 2
71 RB_PROTOTYPE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
72 got_packidx_bloom_filter_cmp);
75 is_boolean_val(const char *val)
77 return (strcasecmp(val, "true") == 0 ||
78 strcasecmp(val, "false") == 0 ||
79 strcasecmp(val, "on") == 0 ||
80 strcasecmp(val, "off") == 0 ||
81 strcasecmp(val, "yes") == 0 ||
82 strcasecmp(val, "no") == 0 ||
83 strcasecmp(val, "1") == 0 ||
84 strcasecmp(val, "0") == 0);
88 get_boolean_val(const char *val)
90 return (strcasecmp(val, "true") == 0 ||
91 strcasecmp(val, "on") == 0 ||
92 strcasecmp(val, "yes") == 0 ||
93 strcasecmp(val, "1") == 0);
97 got_repo_get_path(struct got_repository *repo)
103 got_repo_get_path_git_dir(struct got_repository *repo)
105 return repo->path_git_dir;
109 got_repo_get_fd(struct got_repository *repo)
111 return repo->gitdir_fd;
114 enum got_hash_algorithm
115 got_repo_get_object_format(struct got_repository *repo)
121 got_repo_get_gitconfig_author_name(struct got_repository *repo)
123 return repo->gitconfig_author_name;
127 got_repo_get_gitconfig_author_email(struct got_repository *repo)
129 return repo->gitconfig_author_email;
133 got_repo_get_global_gitconfig_author_name(struct got_repository *repo)
135 return repo->global_gitconfig_author_name;
139 got_repo_get_global_gitconfig_author_email(struct got_repository *repo)
141 return repo->global_gitconfig_author_email;
145 got_repo_get_gitconfig_owner(struct got_repository *repo)
147 return repo->gitconfig_owner;
151 got_repo_has_extension(struct got_repository *repo, const char *ext)
155 for (i = 0; i < repo->nextensions; ++i) {
156 if (!strcasecmp(ext, repo->extnames[i]))
157 return get_boolean_val(repo->extvals[i]);
164 got_repo_is_bare(struct got_repository *repo)
166 return (strcmp(repo->path, repo->path_git_dir) == 0);
170 get_path_git_child(struct got_repository *repo, const char *basename)
174 if (asprintf(&path_child, "%s/%s", repo->path_git_dir,
182 got_repo_get_path_objects(struct got_repository *repo)
184 return get_path_git_child(repo, GOT_OBJECTS_DIR);
188 got_repo_get_path_objects_pack(struct got_repository *repo)
190 return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
194 got_repo_get_path_refs(struct got_repository *repo)
196 return get_path_git_child(repo, GOT_REFS_DIR);
200 got_repo_get_path_packed_refs(struct got_repository *repo)
202 return get_path_git_child(repo, GOT_PACKED_REFS_FILE);
206 get_path_head(struct got_repository *repo)
208 return get_path_git_child(repo, GOT_HEAD_FILE);
212 got_repo_get_path_gitconfig(struct got_repository *repo)
214 return get_path_git_child(repo, GOT_GITCONFIG);
218 got_repo_get_path_gotconfig(struct got_repository *repo)
220 return get_path_git_child(repo, GOT_GOTCONFIG_FILENAME);
223 const struct got_gotconfig *
224 got_repo_get_gotconfig(struct got_repository *repo)
226 return repo->gotconfig;
230 got_repo_get_gitconfig_remotes(int *nremotes,
231 const struct got_remote_repo **remotes, struct got_repository *repo)
233 *nremotes = repo->ngitconfig_remotes;
234 *remotes = repo->gitconfig_remotes;
238 is_git_repo(struct got_repository *repo)
240 const char *path_git = got_repo_get_path_git_dir(repo);
241 char *path_objects = got_repo_get_path_objects(repo);
242 char *path_refs = got_repo_get_path_refs(repo);
243 char *path_head = get_path_head(repo);
246 struct got_reference *head_ref;
248 if (lstat(path_git, &sb) == -1)
250 if (!S_ISDIR(sb.st_mode))
253 if (lstat(path_objects, &sb) == -1)
255 if (!S_ISDIR(sb.st_mode))
258 if (lstat(path_refs, &sb) == -1)
260 if (!S_ISDIR(sb.st_mode))
263 if (lstat(path_head, &sb) == -1)
265 if (!S_ISREG(sb.st_mode))
268 /* Check if the HEAD reference can be opened. */
269 if (got_ref_open(&head_ref, repo, GOT_REF_HEAD, 0) != NULL)
271 got_ref_close(head_ref);
282 static const struct got_error *
283 close_tempfiles(int *fds, size_t nfds)
285 const struct got_error *err = NULL;
288 for (i = 0; i < nfds; i++) {
291 if (close(fds[i]) == -1) {
292 err = got_error_from_errno("close");
300 static const struct got_error *
301 open_tempfiles(int **fds, size_t array_size, size_t nfds)
303 const struct got_error *err = NULL;
306 *fds = calloc(array_size, sizeof(**fds));
308 return got_error_from_errno("calloc");
310 for (i = 0; i < array_size; i++)
313 for (i = 0; i < nfds; i++) {
314 (*fds)[i] = got_opentempfd();
315 if ((*fds)[i] == -1) {
316 err = got_error_from_errno("got_opentempfd");
317 close_tempfiles(*fds, nfds);
326 static const struct got_error *
327 get_pack_cache_size(int *pack_cache_size)
331 if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
332 return got_error_from_errno("getrlimit");
334 *pack_cache_size = GOT_PACK_CACHE_SIZE;
335 if (*pack_cache_size > rl.rlim_cur / 8)
336 *pack_cache_size = rl.rlim_cur / 8;
341 const struct got_error *
342 got_repo_pack_fds_open(int **pack_fds)
344 const struct got_error *err;
347 err = get_pack_cache_size(&nfds);
352 * We need one basefd and one accumfd per cached pack.
353 * Our constants should be set up in a way such that
354 * this error never triggers.
356 if (nfds * 2 > GOT_PACK_NUM_TEMPFILES)
357 return got_error(GOT_ERR_NO_SPACE);
359 return open_tempfiles(pack_fds, GOT_PACK_NUM_TEMPFILES, nfds * 2);
362 const struct got_error *
363 got_repo_pack_fds_close(int *pack_fds)
365 return close_tempfiles(pack_fds, GOT_PACK_NUM_TEMPFILES);
368 const struct got_error *
369 got_repo_temp_fds_open(int **temp_fds)
371 return open_tempfiles(temp_fds, GOT_REPO_NUM_TEMPFILES,
372 GOT_REPO_NUM_TEMPFILES);
376 got_repo_temp_fds_set(struct got_repository *repo, int *temp_fds)
380 for (i = 0; i < GOT_REPO_NUM_TEMPFILES; i++)
381 repo->tempfiles[i] = temp_fds[i];
384 const struct got_error *
385 got_repo_temp_fds_get(int *fd, int *idx, struct got_repository *repo)
392 for (i = 0; i < nitems(repo->tempfiles); i++) {
393 if (repo->tempfile_use_mask & (1 << i))
395 if (repo->tempfiles[i] != -1) {
396 if (ftruncate(repo->tempfiles[i], 0L) == -1)
397 return got_error_from_errno("ftruncate");
398 *fd = repo->tempfiles[i];
400 repo->tempfile_use_mask |= (1 << i);
405 return got_error(GOT_ERR_REPO_TEMPFILE);
409 got_repo_temp_fds_put(int idx, struct got_repository *repo)
411 repo->tempfile_use_mask &= ~(1 << idx);
414 const struct got_error *
415 got_repo_temp_fds_close(int *temp_fds)
417 return close_tempfiles(temp_fds, GOT_REPO_NUM_TEMPFILES);
420 const struct got_error *
421 got_repo_cache_object(struct got_repository *repo, struct got_object_id *id,
422 struct got_object *obj)
424 #ifndef GOT_NO_OBJ_CACHE
425 const struct got_error *err = NULL;
426 err = got_object_cache_add(&repo->objcache, id, obj);
428 if (err->code == GOT_ERR_OBJ_EXISTS ||
429 err->code == GOT_ERR_OBJ_TOO_LARGE)
439 got_repo_get_cached_object(struct got_repository *repo,
440 struct got_object_id *id)
442 return (struct got_object *)got_object_cache_get(&repo->objcache, id);
445 const struct got_error *
446 got_repo_cache_tree(struct got_repository *repo, struct got_object_id *id,
447 struct got_tree_object *tree)
449 #ifndef GOT_NO_OBJ_CACHE
450 const struct got_error *err = NULL;
451 err = got_object_cache_add(&repo->treecache, id, tree);
453 if (err->code == GOT_ERR_OBJ_EXISTS ||
454 err->code == GOT_ERR_OBJ_TOO_LARGE)
463 struct got_tree_object *
464 got_repo_get_cached_tree(struct got_repository *repo,
465 struct got_object_id *id)
467 return (struct got_tree_object *)got_object_cache_get(
468 &repo->treecache, id);
471 const struct got_error *
472 got_repo_cache_commit(struct got_repository *repo, struct got_object_id *id,
473 struct got_commit_object *commit)
475 #ifndef GOT_NO_OBJ_CACHE
476 const struct got_error *err = NULL;
477 err = got_object_cache_add(&repo->commitcache, id, commit);
479 if (err->code == GOT_ERR_OBJ_EXISTS ||
480 err->code == GOT_ERR_OBJ_TOO_LARGE)
489 struct got_commit_object *
490 got_repo_get_cached_commit(struct got_repository *repo,
491 struct got_object_id *id)
493 return (struct got_commit_object *)got_object_cache_get(
494 &repo->commitcache, id);
497 const struct got_error *
498 got_repo_cache_tag(struct got_repository *repo, struct got_object_id *id,
499 struct got_tag_object *tag)
501 #ifndef GOT_NO_OBJ_CACHE
502 const struct got_error *err = NULL;
503 err = got_object_cache_add(&repo->tagcache, id, tag);
505 if (err->code == GOT_ERR_OBJ_EXISTS ||
506 err->code == GOT_ERR_OBJ_TOO_LARGE)
515 struct got_tag_object *
516 got_repo_get_cached_tag(struct got_repository *repo, struct got_object_id *id)
518 return (struct got_tag_object *)got_object_cache_get(
519 &repo->tagcache, id);
522 const struct got_error *
523 got_repo_cache_raw_object(struct got_repository *repo, struct got_object_id *id,
524 struct got_raw_object *raw)
526 #ifndef GOT_NO_OBJ_CACHE
527 const struct got_error *err = NULL;
528 err = got_object_cache_add(&repo->rawcache, id, raw);
530 if (err->code == GOT_ERR_OBJ_EXISTS ||
531 err->code == GOT_ERR_OBJ_TOO_LARGE)
541 struct got_raw_object *
542 got_repo_get_cached_raw_object(struct got_repository *repo,
543 struct got_object_id *id)
545 return (struct got_raw_object *)got_object_cache_get(&repo->rawcache, id);
549 static const struct got_error *
550 open_repo(struct got_repository *repo, const char *path)
552 const struct got_error *err = NULL;
554 repo->gitdir_fd = -1;
556 /* bare git repository? */
557 repo->path_git_dir = strdup(path);
558 if (repo->path_git_dir == NULL)
559 return got_error_from_errno("strdup");
560 if (is_git_repo(repo)) {
561 repo->path = strdup(repo->path_git_dir);
562 if (repo->path == NULL) {
563 err = got_error_from_errno("strdup");
566 repo->gitdir_fd = open(repo->path_git_dir,
567 O_DIRECTORY | O_CLOEXEC);
568 if (repo->gitdir_fd == -1) {
569 err = got_error_from_errno2("open",
576 /* git repository with working tree? */
577 free(repo->path_git_dir);
578 repo->path_git_dir = NULL;
579 if (asprintf(&repo->path_git_dir, "%s/%s", path, GOT_GIT_DIR) == -1) {
580 err = got_error_from_errno("asprintf");
583 if (is_git_repo(repo)) {
584 repo->path = strdup(path);
585 if (repo->path == NULL) {
586 err = got_error_from_errno("strdup");
589 repo->gitdir_fd = open(repo->path_git_dir,
590 O_DIRECTORY | O_CLOEXEC);
591 if (repo->gitdir_fd == -1) {
592 err = got_error_from_errno2("open",
599 err = got_error(GOT_ERR_NOT_GIT_REPO);
604 free(repo->path_git_dir);
605 repo->path_git_dir = NULL;
606 if (repo->gitdir_fd != -1)
607 close(repo->gitdir_fd);
608 repo->gitdir_fd = -1;
614 static const struct got_error *
615 read_gitconfig(struct got_repository *repo, const char *global_gitconfig_path)
617 const struct got_error *err = NULL;
618 char *repo_gitconfig_path = NULL;
620 if (global_gitconfig_path) {
621 /* Read settings from ~/.gitconfig. */
622 int dummy_repo_version;
623 err = got_repo_read_gitconfig(&dummy_repo_version,
624 &repo->global_gitconfig_author_name,
625 &repo->global_gitconfig_author_email,
626 NULL, NULL, NULL, NULL, NULL, NULL,
627 global_gitconfig_path);
632 /* Read repository's .git/config file. */
633 repo_gitconfig_path = got_repo_get_path_gitconfig(repo);
634 if (repo_gitconfig_path == NULL)
635 return got_error_from_errno("got_repo_get_path_gitconfig");
637 err = got_repo_read_gitconfig(
638 &repo->gitconfig_repository_format_version,
639 &repo->gitconfig_author_name, &repo->gitconfig_author_email,
640 &repo->gitconfig_remotes, &repo->ngitconfig_remotes,
641 &repo->gitconfig_owner, &repo->extnames, &repo->extvals,
642 &repo->nextensions, repo_gitconfig_path);
646 if (getenv("GOT_IGNORE_GITCONFIG") != NULL) {
649 for (i = 0; i < repo->ngitconfig_remotes; i++) {
650 got_repo_free_remote_repo_data(
651 &repo->gitconfig_remotes[i]);
653 free(repo->gitconfig_remotes);
654 repo->gitconfig_remotes = NULL;
655 repo->ngitconfig_remotes = 0;
657 free(repo->gitconfig_author_name);
658 repo->gitconfig_author_name = NULL;
659 free(repo->gitconfig_author_email);
660 repo->gitconfig_author_email = NULL;
662 free(repo->global_gitconfig_author_name);
663 repo->global_gitconfig_author_name = NULL;
664 free(repo->global_gitconfig_author_email);
665 repo->global_gitconfig_author_email = NULL;
669 free(repo_gitconfig_path);
673 static const struct got_error *
674 read_gotconfig(struct got_repository *repo)
676 const struct got_error *err = NULL;
677 char *gotconfig_path;
679 gotconfig_path = got_repo_get_path_gotconfig(repo);
680 if (gotconfig_path == NULL)
681 return got_error_from_errno("got_repo_get_path_gotconfig");
683 err = got_gotconfig_read(&repo->gotconfig, gotconfig_path);
684 free(gotconfig_path);
688 /* Supported repository format extensions. */
689 static const char *const repo_extensions[] = {
690 "noop", /* Got supports repository format version 1. */
691 "preciousObjects", /* Supported by gotadmin cleanup. */
692 "worktreeConfig", /* Got does not care about Git work trees. */
695 const struct got_error *
696 got_repo_open(struct got_repository **repop, const char *path,
697 const char *global_gitconfig_path, int *pack_fds)
699 struct got_repository *repo = NULL;
700 const struct got_error *err = NULL;
701 char *repo_path = NULL;
706 repo = calloc(1, sizeof(*repo));
708 return got_error_from_errno("calloc");
710 RB_INIT(&repo->packidx_bloom_filters);
711 TAILQ_INIT(&repo->packidx_paths);
713 for (i = 0; i < nitems(repo->privsep_children); i++) {
714 memset(&repo->privsep_children[i], 0,
715 sizeof(repo->privsep_children[0]));
716 repo->privsep_children[i].imsg_fd = -1;
719 err = got_object_cache_init(&repo->objcache,
720 GOT_OBJECT_CACHE_TYPE_OBJ);
723 err = got_object_cache_init(&repo->treecache,
724 GOT_OBJECT_CACHE_TYPE_TREE);
727 err = got_object_cache_init(&repo->commitcache,
728 GOT_OBJECT_CACHE_TYPE_COMMIT);
731 err = got_object_cache_init(&repo->tagcache,
732 GOT_OBJECT_CACHE_TYPE_TAG);
735 err = got_object_cache_init(&repo->rawcache,
736 GOT_OBJECT_CACHE_TYPE_RAW);
740 err = get_pack_cache_size(&repo->pack_cache_size);
743 for (i = 0; i < nitems(repo->packs); i++) {
744 if (pack_fds != NULL && i < repo->pack_cache_size) {
745 repo->packs[i].basefd = pack_fds[j++];
746 repo->packs[i].accumfd = pack_fds[j++];
748 repo->packs[i].basefd = -1;
749 repo->packs[i].accumfd = -1;
752 for (i = 0; i < nitems(repo->tempfiles); i++)
753 repo->tempfiles[i] = -1;
754 repo->pinned_pack = -1;
755 repo->pinned_packidx = -1;
756 repo->pinned_pid = 0;
758 repo_path = realpath(path, NULL);
759 if (repo_path == NULL) {
760 err = got_error_from_errno2("realpath", path);
767 err = open_repo(repo, repo_path);
770 if (err->code != GOT_ERR_NOT_GIT_REPO)
772 if (repo_path[0] == '/' && repo_path[1] == '\0') {
773 err = got_error(GOT_ERR_NOT_GIT_REPO);
776 err = got_path_dirname(&parent_path, repo_path);
780 repo_path = parent_path;
783 err = read_gotconfig(repo);
787 err = read_gitconfig(repo, global_gitconfig_path);
790 if (repo->gitconfig_repository_format_version != 0) {
791 err = got_error_path(path, GOT_ERR_GIT_REPO_FORMAT);
794 for (i = 0; i < repo->nextensions; i++) {
795 char *ext = repo->extnames[i];
796 char *val = repo->extvals[i];
797 int j, supported = 0;
799 if (!is_boolean_val(val)) {
800 err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
804 if (!get_boolean_val(val))
807 for (j = 0; j < nitems(repo_extensions); j++) {
808 if (strcmp(ext, repo_extensions[j]) == 0) {
814 err = got_error_path(ext, GOT_ERR_GIT_REPO_EXT);
819 err = got_repo_list_packidx(&repo->packidx_paths, repo);
822 got_repo_close(repo);
829 const struct got_error *
830 got_repo_close(struct got_repository *repo)
832 const struct got_error *err = NULL, *child_err;
833 struct got_packidx_bloom_filter *bf;
836 for (i = 0; i < repo->pack_cache_size; i++) {
837 if (repo->packidx_cache[i] == NULL)
839 got_packidx_close(repo->packidx_cache[i]);
842 while ((bf = RB_MIN(got_packidx_bloom_filter_tree,
843 &repo->packidx_bloom_filters))) {
844 RB_REMOVE(got_packidx_bloom_filter_tree,
845 &repo->packidx_bloom_filters, bf);
846 bloom_free(bf->bloom);
851 for (i = 0; i < repo->pack_cache_size; i++)
852 if (repo->packs[i].path_packfile)
853 if (repo->packs[i].path_packfile)
854 got_pack_close(&repo->packs[i]);
857 free(repo->path_git_dir);
859 got_object_cache_close(&repo->objcache);
860 got_object_cache_close(&repo->treecache);
861 got_object_cache_close(&repo->commitcache);
862 got_object_cache_close(&repo->tagcache);
863 got_object_cache_close(&repo->rawcache);
865 for (i = 0; i < nitems(repo->privsep_children); i++) {
866 if (repo->privsep_children[i].imsg_fd == -1)
868 imsg_clear(repo->privsep_children[i].ibuf);
869 free(repo->privsep_children[i].ibuf);
870 err = got_privsep_send_stop(repo->privsep_children[i].imsg_fd);
871 if (err && err->code == GOT_ERR_EOF)
873 child_err = got_privsep_wait_for_child(
874 repo->privsep_children[i].pid);
875 if (child_err && err == NULL)
877 if (close(repo->privsep_children[i].imsg_fd) == -1 &&
879 err = got_error_from_errno("close");
882 if (repo->gitdir_fd != -1 && close(repo->gitdir_fd) == -1 &&
884 err = got_error_from_errno("close");
887 got_gotconfig_free(repo->gotconfig);
888 free(repo->gitconfig_author_name);
889 free(repo->gitconfig_author_email);
890 for (i = 0; i < repo->ngitconfig_remotes; i++)
891 got_repo_free_remote_repo_data(&repo->gitconfig_remotes[i]);
892 free(repo->gitconfig_remotes);
893 for (i = 0; i < repo->nextensions; i++) {
894 free(repo->extnames[i]);
895 free(repo->extvals[i]);
897 free(repo->extnames);
900 got_pathlist_free(&repo->packidx_paths, GOT_PATHLIST_FREE_PATH);
906 const struct got_error *
907 got_repo_remote_repo_dup(struct got_remote_repo **newp,
908 const struct got_remote_repo *repo)
910 const struct got_error *err = NULL;
911 struct got_remote_repo *new;
914 new = calloc(1, sizeof(*new));
916 return got_error_from_errno("calloc");
919 new->name = strdup(repo->name);
920 if (new->name == NULL) {
921 err = got_error_from_errno("strdup");
926 if (repo->fetch_url) {
927 new->fetch_url = strdup(repo->fetch_url);
928 if (new->fetch_url == NULL) {
929 err = got_error_from_errno("strdup");
934 if (repo->send_url) {
935 new->send_url = strdup(repo->send_url);
936 if (new->send_url == NULL) {
937 err = got_error_from_errno("strdup");
942 new->mirror_references = repo->mirror_references;
944 new->fetch_all_branches = repo->fetch_all_branches;
946 new->nfetch_branches = repo->nfetch_branches;
947 if (repo->fetch_branches) {
948 new->fetch_branches = calloc(repo->nfetch_branches,
950 if (new->fetch_branches == NULL) {
951 err = got_error_from_errno("calloc");
954 for (i = 0; i < repo->nfetch_branches; i++) {
955 new->fetch_branches[i] = strdup(
956 repo->fetch_branches[i]);
957 if (new->fetch_branches[i] == NULL) {
958 err = got_error_from_errno("strdup");
964 new->nsend_branches = repo->nsend_branches;
965 if (repo->send_branches) {
966 new->send_branches = calloc(repo->nsend_branches,
968 if (new->send_branches == NULL) {
969 err = got_error_from_errno("calloc");
972 for (i = 0; i < repo->nsend_branches; i++) {
973 new->send_branches[i] = strdup(
974 repo->send_branches[i]);
975 if (new->send_branches[i] == NULL) {
976 err = got_error_from_errno("strdup");
982 new->nfetch_refs = repo->nfetch_refs;
983 if (repo->fetch_refs) {
984 new->fetch_refs = calloc(repo->nfetch_refs,
986 if (new->fetch_refs == NULL) {
987 err = got_error_from_errno("calloc");
990 for (i = 0; i < repo->nfetch_refs; i++) {
991 new->fetch_refs[i] = strdup(
992 repo->fetch_refs[i]);
993 if (new->fetch_refs[i] == NULL) {
994 err = got_error_from_errno("strdup");
1001 got_repo_free_remote_repo_data(new);
1010 got_repo_free_remote_repo_data(struct got_remote_repo *repo)
1019 free(repo->fetch_url);
1020 repo->fetch_url = NULL;
1021 free(repo->send_url);
1022 repo->send_url = NULL;
1023 for (i = 0; i < repo->nfetch_branches; i++)
1024 free(repo->fetch_branches[i]);
1025 free(repo->fetch_branches);
1026 repo->fetch_branches = NULL;
1027 repo->nfetch_branches = 0;
1028 for (i = 0; i < repo->nsend_branches; i++)
1029 free(repo->send_branches[i]);
1030 free(repo->send_branches);
1031 repo->send_branches = NULL;
1032 repo->nsend_branches = 0;
1033 for (i = 0; i < repo->nfetch_refs; i++)
1034 free(repo->fetch_refs[i]);
1035 free(repo->fetch_refs);
1036 repo->fetch_refs = NULL;
1037 repo->nfetch_refs = 0;
1040 const struct got_error *
1041 got_repo_map_path(char **in_repo_path, struct got_repository *repo,
1042 const char *input_path)
1044 const struct got_error *err = NULL;
1045 const char *repo_abspath = NULL;
1046 size_t repolen, len;
1047 char *canonpath, *path = NULL;
1049 *in_repo_path = NULL;
1051 canonpath = strdup(input_path);
1052 if (canonpath == NULL) {
1053 err = got_error_from_errno("strdup");
1056 err = got_canonpath(input_path, canonpath, strlen(canonpath) + 1);
1060 repo_abspath = got_repo_get_path(repo);
1062 if (canonpath[0] == '\0') {
1063 path = strdup(canonpath);
1065 err = got_error_from_errno("strdup");
1069 path = realpath(canonpath, NULL);
1071 if (errno != ENOENT) {
1072 err = got_error_from_errno2("realpath",
1077 * Path is not on disk.
1078 * Assume it is already relative to repository root.
1080 path = strdup(canonpath);
1082 err = got_error_from_errno("strdup");
1087 repolen = strlen(repo_abspath);
1091 if (strcmp(path, repo_abspath) == 0) {
1095 err = got_error_from_errno("strdup");
1098 } else if (len > repolen &&
1099 got_path_is_child(path, repo_abspath, repolen)) {
1100 /* Matched an on-disk path inside repository. */
1101 if (got_repo_is_bare(repo)) {
1103 * Matched an on-disk path inside repository
1104 * database. Treat input as repository-relative.
1111 /* Strip common prefix with repository path. */
1112 err = got_path_skip_common_ancestor(&child,
1113 repo_abspath, path);
1121 * Matched unrelated on-disk path.
1122 * Treat input as repository-relative.
1130 /* Make in-repository path absolute */
1131 if (path[0] != '/') {
1133 if (asprintf(&abspath, "/%s", path) == -1) {
1134 err = got_error_from_errno("asprintf");
1146 *in_repo_path = path;
1150 static const struct got_error *
1151 cache_packidx(struct got_repository *repo, struct got_packidx *packidx,
1152 const char *path_packidx)
1154 const struct got_error *err = NULL;
1157 for (i = 0; i < repo->pack_cache_size; i++) {
1158 if (repo->packidx_cache[i] == NULL)
1160 if (strcmp(repo->packidx_cache[i]->path_packidx,
1161 path_packidx) == 0) {
1162 return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1165 if (i == repo->pack_cache_size) {
1168 } while (i > 0 && repo->pinned_packidx >= 0 &&
1169 i == repo->pinned_packidx);
1170 err = got_packidx_close(repo->packidx_cache[i]);
1175 repo->packidx_cache[i] = packidx;
1181 got_repo_is_packidx_filename(const char *name, size_t len)
1183 if (len != GOT_PACKIDX_NAMELEN)
1186 if (strncmp(name, GOT_PACK_PREFIX, strlen(GOT_PACK_PREFIX)) != 0)
1189 if (strcmp(name + strlen(GOT_PACK_PREFIX) +
1190 SHA1_DIGEST_STRING_LENGTH - 1, GOT_PACKIDX_SUFFIX) != 0)
1196 static struct got_packidx_bloom_filter *
1197 get_packidx_bloom_filter(struct got_repository *repo,
1198 const char *path, size_t path_len)
1200 struct got_packidx_bloom_filter key;
1202 if (strlcpy(key.path, path, sizeof(key.path)) >= sizeof(key.path))
1203 return NULL; /* XXX */
1204 key.path_len = path_len;
1206 return RB_FIND(got_packidx_bloom_filter_tree,
1207 &repo->packidx_bloom_filters, &key);
1211 got_repo_check_packidx_bloom_filter(struct got_repository *repo,
1212 const char *path_packidx, struct got_object_id *id)
1214 struct got_packidx_bloom_filter *bf;
1216 bf = get_packidx_bloom_filter(repo, path_packidx, strlen(path_packidx));
1218 return bloom_check(bf->bloom, id->sha1, sizeof(id->sha1));
1220 /* No bloom filter means this pack index must be searched. */
1224 static const struct got_error *
1225 add_packidx_bloom_filter(struct got_repository *repo,
1226 struct got_packidx *packidx, const char *path_packidx)
1228 int i, nobjects = be32toh(packidx->hdr.fanout_table[0xff]);
1229 struct got_packidx_bloom_filter *bf;
1233 * Don't use bloom filters for very large pack index files.
1234 * Large pack files will contain a relatively large fraction
1235 * of our objects so we will likely need to visit them anyway.
1236 * The more objects a pack file contains the higher the probability
1237 * of a false-positive match from the bloom filter. And reading
1238 * all object IDs from a large pack index file can be expensive.
1240 if (nobjects > 100000) /* cut-off at about 2MB, at 20 bytes per ID */
1243 /* Do we already have a filter for this pack index? */
1244 if (get_packidx_bloom_filter(repo, path_packidx,
1245 strlen(path_packidx)) != NULL)
1248 bf = calloc(1, sizeof(*bf));
1250 return got_error_from_errno("calloc");
1251 bf->bloom = calloc(1, sizeof(*bf->bloom));
1252 if (bf->bloom == NULL) {
1254 return got_error_from_errno("calloc");
1257 len = strlcpy(bf->path, path_packidx, sizeof(bf->path));
1258 if (len >= sizeof(bf->path)) {
1261 return got_error(GOT_ERR_NO_SPACE);
1265 /* Minimum size supported by our bloom filter is 1000 entries. */
1266 bloom_init(bf->bloom, nobjects < 1000 ? 1000 : nobjects, 0.1);
1267 for (i = 0; i < nobjects; i++) {
1268 struct got_packidx_object_id *id;
1269 id = &packidx->hdr.sorted_ids[i];
1270 bloom_add(bf->bloom, id->sha1, sizeof(id->sha1));
1273 RB_INSERT(got_packidx_bloom_filter_tree,
1274 &repo->packidx_bloom_filters, bf);
1279 purge_packidx_paths(struct got_pathlist_head *packidx_paths)
1281 struct got_pathlist_entry *pe;
1283 while (!TAILQ_EMPTY(packidx_paths)) {
1284 pe = TAILQ_FIRST(packidx_paths);
1285 TAILQ_REMOVE(packidx_paths, pe, entry);
1286 free((char *)pe->path);
1291 static const struct got_error *
1292 refresh_packidx_paths(struct got_repository *repo)
1294 const struct got_error *err = NULL;
1295 char *objects_pack_dir = NULL;
1298 objects_pack_dir = got_repo_get_path_objects_pack(repo);
1299 if (objects_pack_dir == NULL)
1300 return got_error_from_errno("got_repo_get_path_objects_pack");
1302 if (stat(objects_pack_dir, &sb) == -1) {
1303 if (errno != ENOENT) {
1304 err = got_error_from_errno2("stat", objects_pack_dir);
1307 } else if (TAILQ_EMPTY(&repo->packidx_paths) ||
1308 sb.st_mtim.tv_sec != repo->pack_path_mtime.tv_sec ||
1309 sb.st_mtim.tv_nsec != repo->pack_path_mtime.tv_nsec) {
1310 purge_packidx_paths(&repo->packidx_paths);
1311 err = got_repo_list_packidx(&repo->packidx_paths, repo);
1316 free(objects_pack_dir);
1320 const struct got_error *
1321 got_repo_search_packidx(struct got_packidx **packidx, int *idx,
1322 struct got_repository *repo, struct got_object_id *id)
1324 const struct got_error *err;
1325 struct got_pathlist_entry *pe;
1328 /* Search pack index cache. */
1329 for (i = 0; i < repo->pack_cache_size; i++) {
1330 if (repo->packidx_cache[i] == NULL)
1332 if (!got_repo_check_packidx_bloom_filter(repo,
1333 repo->packidx_cache[i]->path_packidx, id))
1334 continue; /* object will not be found in this index */
1335 *idx = got_packidx_get_object_idx(repo->packidx_cache[i], id);
1337 *packidx = repo->packidx_cache[i];
1339 * Move this cache entry to the front. Repeatedly
1340 * searching a wrong pack index can be expensive.
1343 memmove(&repo->packidx_cache[1],
1344 &repo->packidx_cache[0],
1345 i * sizeof(repo->packidx_cache[0]));
1346 repo->packidx_cache[0] = *packidx;
1347 if (repo->pinned_packidx >= 0 &&
1348 repo->pinned_packidx < i)
1349 repo->pinned_packidx++;
1350 else if (repo->pinned_packidx == i)
1351 repo->pinned_packidx = 0;
1356 /* No luck. Search the filesystem. */
1358 err = refresh_packidx_paths(repo);
1362 TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1363 const char *path_packidx = pe->path;
1366 if (!got_repo_check_packidx_bloom_filter(repo,
1368 continue; /* object will not be found in this index */
1370 for (i = 0; i < repo->pack_cache_size; i++) {
1371 if (repo->packidx_cache[i] == NULL)
1373 if (strcmp(repo->packidx_cache[i]->path_packidx,
1374 path_packidx) == 0) {
1380 continue; /* already searched */
1382 err = got_packidx_open(packidx, got_repo_get_fd(repo),
1387 err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1391 err = cache_packidx(repo, *packidx, path_packidx);
1395 *idx = got_packidx_get_object_idx(*packidx, id);
1397 err = NULL; /* found the object */
1402 err = got_error_no_obj(id);
1407 const struct got_error *
1408 got_repo_list_packidx(struct got_pathlist_head *packidx_paths,
1409 struct got_repository *repo)
1411 const struct got_error *err = NULL;
1412 DIR *packdir = NULL;
1413 struct dirent *dent;
1414 char *path_packidx = NULL;
1418 packdir_fd = openat(got_repo_get_fd(repo),
1419 GOT_OBJECTS_PACK_DIR, O_DIRECTORY | O_CLOEXEC);
1420 if (packdir_fd == -1) {
1421 return got_error_from_errno_fmt("openat: %s/%s",
1422 got_repo_get_path_git_dir(repo),
1423 GOT_OBJECTS_PACK_DIR);
1426 packdir = fdopendir(packdir_fd);
1427 if (packdir == NULL) {
1428 err = got_error_from_errno("fdopendir");
1433 if (fstat(packdir_fd, &sb) == -1) {
1434 err = got_error_from_errno("fstat");
1437 repo->pack_path_mtime.tv_sec = sb.st_mtim.tv_sec;
1438 repo->pack_path_mtime.tv_nsec = sb.st_mtim.tv_nsec;
1440 while ((dent = readdir(packdir)) != NULL) {
1441 if (!got_repo_is_packidx_filename(dent->d_name,
1442 strlen(dent->d_name)))
1445 if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
1446 dent->d_name) == -1) {
1447 err = got_error_from_errno("asprintf");
1448 path_packidx = NULL;
1452 err = got_pathlist_append(packidx_paths, path_packidx, NULL);
1459 if (packdir && closedir(packdir) != 0 && err == NULL)
1460 err = got_error_from_errno("closedir");
1464 const struct got_error *
1465 got_repo_get_packidx(struct got_packidx **packidx, const char *path_packidx,
1466 struct got_repository *repo)
1468 const struct got_error *err;
1473 /* Search pack index cache. */
1474 for (i = 0; i < repo->pack_cache_size; i++) {
1475 if (repo->packidx_cache[i] == NULL)
1477 if (strcmp(repo->packidx_cache[i]->path_packidx,
1478 path_packidx) == 0) {
1479 *packidx = repo->packidx_cache[i];
1483 /* No luck. Search the filesystem. */
1485 err = got_packidx_open(packidx, got_repo_get_fd(repo),
1490 err = add_packidx_bloom_filter(repo, *packidx, path_packidx);
1494 err = cache_packidx(repo, *packidx, path_packidx);
1497 got_packidx_close(*packidx);
1503 static const struct got_error *
1504 read_packfile_hdr(int fd, struct got_packidx *packidx)
1506 const struct got_error *err = NULL;
1507 uint32_t totobj = be32toh(packidx->hdr.fanout_table[0xff]);
1508 struct got_packfile_hdr hdr;
1511 n = read(fd, &hdr, sizeof(hdr));
1513 return got_error_from_errno("read");
1514 if (n != sizeof(hdr))
1515 return got_error(GOT_ERR_BAD_PACKFILE);
1517 if (be32toh(hdr.signature) != GOT_PACKFILE_SIGNATURE ||
1518 be32toh(hdr.version) != GOT_PACKFILE_VERSION ||
1519 be32toh(hdr.nobjects) != totobj)
1520 err = got_error(GOT_ERR_BAD_PACKFILE);
1525 static const struct got_error *
1526 open_packfile(int *fd, struct got_repository *repo,
1527 const char *relpath, struct got_packidx *packidx)
1529 const struct got_error *err = NULL;
1531 *fd = openat(got_repo_get_fd(repo), relpath,
1532 O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
1534 return got_error_from_errno_fmt("openat: %s/%s",
1535 got_repo_get_path_git_dir(repo), relpath);
1538 err = read_packfile_hdr(*fd, packidx);
1548 const struct got_error *
1549 got_repo_cache_pack(struct got_pack **packp, struct got_repository *repo,
1550 const char *path_packfile, struct got_packidx *packidx)
1552 const struct got_error *err = NULL;
1553 struct got_pack *pack = NULL;
1560 for (i = 0; i < repo->pack_cache_size; i++) {
1561 pack = &repo->packs[i];
1562 if (pack->path_packfile == NULL)
1564 if (strcmp(pack->path_packfile, path_packfile) == 0)
1565 return got_error(GOT_ERR_CACHE_DUP_ENTRY);
1568 if (i == repo->pack_cache_size) {
1569 struct got_pack tmp;
1572 } while (i > 0 && repo->pinned_pack >= 0 &&
1573 i == repo->pinned_pack);
1574 err = got_pack_close(&repo->packs[i]);
1577 if (ftruncate(repo->packs[i].basefd, 0L) == -1)
1578 return got_error_from_errno("ftruncate");
1579 if (ftruncate(repo->packs[i].accumfd, 0L) == -1)
1580 return got_error_from_errno("ftruncate");
1581 memcpy(&tmp, &repo->packs[i], sizeof(tmp));
1582 memcpy(&repo->packs[i], &repo->packs[0],
1583 sizeof(repo->packs[i]));
1584 memcpy(&repo->packs[0], &tmp, sizeof(repo->packs[0]));
1585 if (repo->pinned_pack == 0)
1586 repo->pinned_pack = i;
1587 else if (repo->pinned_pack == i)
1588 repo->pinned_pack = 0;
1592 pack = &repo->packs[i];
1594 pack->path_packfile = strdup(path_packfile);
1595 if (pack->path_packfile == NULL) {
1596 err = got_error_from_errno("strdup");
1600 err = open_packfile(&pack->fd, repo, path_packfile, packidx);
1604 if (fstat(pack->fd, &sb) != 0) {
1605 err = got_error_from_errno("fstat");
1608 pack->filesize = sb.st_size;
1610 pack->privsep_child = NULL;
1612 err = got_delta_cache_alloc(&pack->delta_cache);
1616 #ifndef GOT_PACK_NO_MMAP
1617 if (pack->filesize > 0 && pack->filesize <= SIZE_MAX) {
1618 pack->map = mmap(NULL, pack->filesize, PROT_READ, MAP_PRIVATE,
1620 if (pack->map == MAP_FAILED) {
1621 if (errno != ENOMEM) {
1622 err = got_error_from_errno("mmap");
1625 pack->map = NULL; /* fall back to read(2) */
1632 got_pack_close(pack);
1639 got_repo_get_cached_pack(struct got_repository *repo, const char *path_packfile)
1641 struct got_pack *pack = NULL;
1644 for (i = 0; i < repo->pack_cache_size; i++) {
1645 pack = &repo->packs[i];
1646 if (pack->path_packfile == NULL)
1648 if (strcmp(pack->path_packfile, path_packfile) == 0)
1655 const struct got_error *
1656 got_repo_pin_pack(struct got_repository *repo, struct got_packidx *packidx,
1657 struct got_pack *pack)
1660 int pinned_pack = -1, pinned_packidx = -1;
1662 for (i = 0; i < repo->pack_cache_size; i++) {
1663 if (repo->packidx_cache[i] &&
1664 strcmp(repo->packidx_cache[i]->path_packidx,
1665 packidx->path_packidx) == 0)
1667 if (repo->packs[i].path_packfile &&
1668 strcmp(repo->packs[i].path_packfile,
1669 pack->path_packfile) == 0)
1673 if (pinned_packidx == -1 || pinned_pack == -1)
1674 return got_error(GOT_ERR_PIN_PACK);
1676 repo->pinned_pack = pinned_pack;
1677 repo->pinned_packidx = pinned_packidx;
1678 if (repo->packs[pinned_pack].privsep_child)
1679 repo->pinned_pid = repo->packs[pinned_pack].privsep_child->pid;
1684 got_repo_get_pinned_pack(struct got_repository *repo)
1686 if (repo->pinned_pack >= 0 &&
1687 repo->pinned_pack < repo->pack_cache_size)
1688 return &repo->packs[repo->pinned_pack];
1694 got_repo_unpin_pack(struct got_repository *repo)
1696 repo->pinned_packidx = -1;
1697 repo->pinned_pack = -1;
1698 repo->pinned_pid = 0;
1701 const struct got_error *
1702 got_repo_init(const char *repo_path, const char *head_name)
1704 const struct got_error *err = NULL;
1705 const char *dirnames[] = {
1707 GOT_OBJECTS_PACK_DIR,
1710 const char *description_str = "Unnamed repository; "
1711 "edit this file 'description' to name the repository.";
1712 const char *headref = "ref: refs/heads/";
1713 const char *gitconfig_str = "[core]\n"
1714 "\trepositoryformatversion = 0\n"
1715 "\tfilemode = true\n"
1717 char *headref_str, *path;
1720 if (!got_path_dir_is_empty(repo_path))
1721 return got_error(GOT_ERR_DIR_NOT_EMPTY);
1723 for (i = 0; i < nitems(dirnames); i++) {
1724 if (asprintf(&path, "%s/%s", repo_path, dirnames[i]) == -1) {
1725 return got_error_from_errno("asprintf");
1727 err = got_path_mkdir(path);
1733 if (asprintf(&path, "%s/%s", repo_path, "description") == -1)
1734 return got_error_from_errno("asprintf");
1735 err = got_path_create_file(path, description_str);
1740 if (asprintf(&path, "%s/%s", repo_path, GOT_HEAD_FILE) == -1)
1741 return got_error_from_errno("asprintf");
1742 if (asprintf(&headref_str, "%s%s", headref,
1743 head_name ? head_name : "main") == -1) {
1745 return got_error_from_errno("asprintf");
1747 err = got_path_create_file(path, headref_str);
1753 if (asprintf(&path, "%s/%s", repo_path, "config") == -1)
1754 return got_error_from_errno("asprintf");
1755 err = got_path_create_file(path, gitconfig_str);
1763 static const struct got_error *
1764 match_packed_object(struct got_object_id **unique_id,
1765 struct got_repository *repo, const char *id_str_prefix, int obj_type)
1767 const struct got_error *err = NULL;
1768 struct got_object_id_queue matched_ids;
1769 struct got_pathlist_entry *pe;
1772 const int max_retries = 10;
1774 STAILQ_INIT(&matched_ids);
1776 err = refresh_packidx_paths(repo);
1781 * Opening objects while iterating over the pack-index path
1782 * list is racy. If the set of pack files in the repository
1783 * changes during loop iteration, refresh_packidx_paths() will
1784 * be called again, via got_object_get_type(), invalidating
1785 * the packidx_paths list we are iterating over.
1786 * To work around this we keep track of the current modification
1787 * time and retry the entire loop if it changes.
1790 tv.tv_sec = repo->pack_path_mtime.tv_sec;
1791 tv.tv_nsec = repo->pack_path_mtime.tv_nsec;
1793 TAILQ_FOREACH(pe, &repo->packidx_paths, entry) {
1794 const char *path_packidx;
1795 struct got_packidx *packidx;
1796 struct got_object_qid *qid;
1799 * If the modification time of the 'objects/pack' directory
1800 * has changed then 'pe' could now be an invalid pointer.
1802 if (tv.tv_sec != repo->pack_path_mtime.tv_sec ||
1803 tv.tv_nsec != repo->pack_path_mtime.tv_nsec) {
1804 if (++retries > max_retries) {
1805 err = got_error_msg(GOT_ERR_TIMEOUT,
1806 "too many concurrent pack file "
1813 path_packidx = pe->path;
1815 err = got_packidx_open(&packidx, got_repo_get_fd(repo),
1820 got_object_id_queue_free(&matched_ids);
1822 err = got_packidx_match_id_str_prefix(&matched_ids,
1823 packidx, id_str_prefix);
1825 got_packidx_close(packidx);
1828 err = got_packidx_close(packidx);
1832 STAILQ_FOREACH(qid, &matched_ids, entry) {
1833 if (obj_type != GOT_OBJ_TYPE_ANY) {
1835 err = got_object_get_type(&matched_type, repo,
1839 if (matched_type != obj_type)
1842 if (*unique_id == NULL) {
1843 *unique_id = got_object_id_dup(&qid->id);
1844 if (*unique_id == NULL) {
1845 err = got_error_from_errno("malloc");
1849 if (got_object_id_cmp(*unique_id,
1851 continue; /* packed multiple times */
1852 err = got_error(GOT_ERR_AMBIGUOUS_ID);
1858 got_object_id_queue_free(&matched_ids);
1866 static const struct got_error *
1867 match_loose_object(struct got_object_id **unique_id, const char *path_objects,
1868 const char *object_dir, const char *id_str_prefix, int obj_type,
1869 struct got_repository *repo)
1871 const struct got_error *err = NULL;
1872 char *path, *id_str = NULL;
1874 struct dirent *dent;
1875 struct got_object_id id;
1877 if (asprintf(&path, "%s/%s", path_objects, object_dir) == -1) {
1878 err = got_error_from_errno("asprintf");
1882 dir = opendir(path);
1884 if (errno == ENOENT) {
1888 err = got_error_from_errno2("opendir", path);
1891 while ((dent = readdir(dir)) != NULL) {
1897 if (strcmp(dent->d_name, ".") == 0 ||
1898 strcmp(dent->d_name, "..") == 0)
1901 if (asprintf(&id_str, "%s%s", object_dir, dent->d_name) == -1) {
1902 err = got_error_from_errno("asprintf");
1906 if (!got_parse_object_id(&id, id_str, repo->algo))
1910 * Directory entries do not necessarily appear in
1911 * sorted order, so we must iterate over all of them.
1913 cmp = strncmp(id_str, id_str_prefix, strlen(id_str_prefix));
1917 if (*unique_id == NULL) {
1918 if (obj_type != GOT_OBJ_TYPE_ANY) {
1920 err = got_object_get_type(&matched_type, repo,
1924 if (matched_type != obj_type)
1927 *unique_id = got_object_id_dup(&id);
1928 if (*unique_id == NULL) {
1929 err = got_error_from_errno("got_object_id_dup");
1933 if (got_object_id_cmp(*unique_id, &id) == 0)
1934 continue; /* both packed and loose */
1935 err = got_error(GOT_ERR_AMBIGUOUS_ID);
1940 if (dir && closedir(dir) != 0 && err == NULL)
1941 err = got_error_from_errno("closedir");
1951 const struct got_error *
1952 got_repo_match_object_id_prefix(struct got_object_id **id,
1953 const char *id_str_prefix, int obj_type, struct got_repository *repo)
1955 const struct got_error *err = NULL;
1956 char *path_objects = NULL, *object_dir = NULL;
1962 path_objects = got_repo_get_path_objects(repo);
1964 len = strlen(id_str_prefix);
1965 if (len > SHA1_DIGEST_STRING_LENGTH - 1) {
1966 err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1970 for (i = 0; i < len; i++) {
1971 if (isxdigit((unsigned char)id_str_prefix[i]))
1973 err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
1978 err = match_packed_object(id, repo, id_str_prefix, obj_type);
1981 object_dir = strndup(id_str_prefix, 2);
1982 if (object_dir == NULL) {
1983 err = got_error_from_errno("strdup");
1986 err = match_loose_object(id, path_objects, object_dir,
1987 id_str_prefix, obj_type, repo);
1988 } else if (len == 1) {
1990 for (i = 0; i < 0xf; i++) {
1991 if (asprintf(&object_dir, "%s%.1x", id_str_prefix, i)
1993 err = got_error_from_errno("asprintf");
1996 err = match_packed_object(id, repo, object_dir,
2000 err = match_loose_object(id, path_objects, object_dir,
2001 id_str_prefix, obj_type, repo);
2006 err = got_error_path(id_str_prefix, GOT_ERR_BAD_OBJ_ID_STR);
2015 } else if (*id == NULL) {
2017 case GOT_OBJ_TYPE_BLOB:
2018 err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
2019 GOT_OBJ_LABEL_BLOB, id_str_prefix);
2021 case GOT_OBJ_TYPE_TREE:
2022 err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
2023 GOT_OBJ_LABEL_TREE, id_str_prefix);
2025 case GOT_OBJ_TYPE_COMMIT:
2026 err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
2027 GOT_OBJ_LABEL_COMMIT, id_str_prefix);
2029 case GOT_OBJ_TYPE_TAG:
2030 err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
2031 GOT_OBJ_LABEL_TAG, id_str_prefix);
2034 err = got_error_path(id_str_prefix, GOT_ERR_NO_OBJ);
2042 const struct got_error *
2043 got_repo_match_object_id(struct got_object_id **id, char **label,
2044 const char *id_str, int obj_type, struct got_reflist_head *refs,
2045 struct got_repository *repo)
2047 const struct got_error *err;
2048 struct got_tag_object *tag;
2049 struct got_reference *ref = NULL;
2056 err = got_repo_object_match_tag(&tag, id_str, obj_type,
2059 *id = got_object_id_dup(
2060 got_object_tag_get_object_id(tag));
2062 err = got_error_from_errno("got_object_id_dup");
2063 else if (label && asprintf(label, "refs/tags/%s",
2064 got_object_tag_get_name(tag)) == -1) {
2065 err = got_error_from_errno("asprintf");
2069 got_object_tag_close(tag);
2071 } else if (err->code != GOT_ERR_OBJ_TYPE &&
2072 err->code != GOT_ERR_NO_OBJ)
2076 err = got_ref_open(&ref, repo, id_str, 0);
2078 err = got_ref_resolve(id, repo, ref);
2082 *label = strdup(got_ref_get_name(ref));
2083 if (*label == NULL) {
2084 err = got_error_from_errno("strdup");
2089 if (err->code != GOT_ERR_NOT_REF &&
2090 err->code != GOT_ERR_BAD_REF_NAME)
2092 err = got_repo_match_object_id_prefix(id, id_str,
2095 if (err->code == GOT_ERR_BAD_OBJ_ID_STR)
2096 err = got_error_not_ref(id_str);
2100 err = got_object_id_str(label, *id);
2101 if (*label == NULL) {
2102 err = got_error_from_errno("strdup");
2113 const struct got_error *
2114 got_repo_object_match_tag(struct got_tag_object **tag, const char *name,
2115 int obj_type, struct got_reflist_head *refs, struct got_repository *repo)
2117 const struct got_error *err = NULL;
2118 struct got_reflist_entry *re;
2119 struct got_object_id *tag_id;
2120 int name_is_absolute = (strncmp(name, "refs/", 5) == 0);
2124 TAILQ_FOREACH(re, refs, entry) {
2125 const char *refname;
2126 refname = got_ref_get_name(re->ref);
2127 if (got_ref_is_symbolic(re->ref))
2129 if (strncmp(refname, "refs/tags/", 10) != 0)
2131 if (!name_is_absolute)
2132 refname += strlen("refs/tags/");
2133 if (strcmp(refname, name) != 0)
2135 err = got_ref_resolve(&tag_id, repo, re->ref);
2138 err = got_object_open_as_tag(tag, repo, tag_id);
2142 if (obj_type == GOT_OBJ_TYPE_ANY ||
2143 got_object_tag_get_object_type(*tag) == obj_type)
2145 got_object_tag_close(*tag);
2149 if (err == NULL && *tag == NULL)
2150 err = got_error_fmt(GOT_ERR_NO_OBJ, "%s %s",
2151 GOT_OBJ_LABEL_TAG, name);
2155 const struct got_error *
2156 got_repo_find_object_id(struct got_object_id *id, struct got_repository *repo)
2158 const struct got_error *err;
2159 struct got_object_id *matched_id = NULL;
2160 char *id_str = NULL;
2162 err = got_object_id_str(&id_str, id);
2166 err = got_repo_match_object_id_prefix(&matched_id, id_str,
2167 GOT_OBJ_TYPE_ANY, repo);
2172 static const struct got_error *
2173 alloc_added_blob_tree_entry(struct got_tree_entry **new_te,
2174 const char *name, mode_t mode, struct got_object_id *blob_id)
2176 const struct got_error *err = NULL;
2180 *new_te = calloc(1, sizeof(**new_te));
2181 if (*new_te == NULL)
2182 return got_error_from_errno("calloc");
2184 if (strlcpy((*new_te)->name, name, sizeof((*new_te)->name)) >=
2185 sizeof((*new_te)->name)) {
2186 err = got_error(GOT_ERR_NO_SPACE);
2190 if (S_ISLNK(mode)) {
2191 (*new_te)->mode = S_IFLNK;
2193 (*new_te)->mode = S_IFREG;
2194 (*new_te)->mode |= (mode & (S_IRWXU | S_IRWXG | S_IRWXO));
2196 memcpy(&(*new_te)->id, blob_id, sizeof((*new_te)->id));
2198 if (err && *new_te) {
2205 static const struct got_error *
2206 import_file(struct got_tree_entry **new_te, struct dirent *de,
2207 const char *path, struct got_repository *repo)
2209 const struct got_error *err;
2210 struct got_object_id *blob_id = NULL;
2214 if (asprintf(&filepath, "%s%s%s", path,
2215 path[0] == '\0' ? "" : "/", de->d_name) == -1)
2216 return got_error_from_errno("asprintf");
2218 if (lstat(filepath, &sb) != 0) {
2219 err = got_error_from_errno2("lstat", path);
2223 err = got_object_blob_create(&blob_id, filepath, repo);
2227 err = alloc_added_blob_tree_entry(new_te, de->d_name, sb.st_mode,
2236 static const struct got_error *
2237 insert_tree_entry(struct got_tree_entry *new_te,
2238 struct got_pathlist_head *paths)
2240 const struct got_error *err = NULL;
2241 struct got_pathlist_entry *new_pe;
2243 err = got_pathlist_insert(&new_pe, paths, new_te->name, new_te);
2247 return got_error(GOT_ERR_TREE_DUP_ENTRY);
2251 static const struct got_error *write_tree(struct got_object_id **,
2252 const char *, struct got_pathlist_head *, struct got_repository *,
2253 got_repo_import_cb progress_cb, void *progress_arg);
2255 static const struct got_error *
2256 import_subdir(struct got_tree_entry **new_te, struct dirent *de,
2257 const char *path, struct got_pathlist_head *ignores,
2258 struct got_repository *repo,
2259 got_repo_import_cb progress_cb, void *progress_arg)
2261 const struct got_error *err;
2262 struct got_object_id *id = NULL;
2265 if (asprintf(&subdirpath, "%s%s%s", path,
2266 path[0] == '\0' ? "" : "/", de->d_name) == -1)
2267 return got_error_from_errno("asprintf");
2269 (*new_te) = calloc(1, sizeof(**new_te));
2270 if (*new_te == NULL)
2271 return got_error_from_errno("calloc");
2272 (*new_te)->mode = S_IFDIR;
2273 if (strlcpy((*new_te)->name, de->d_name, sizeof((*new_te)->name)) >=
2274 sizeof((*new_te)->name)) {
2275 err = got_error(GOT_ERR_NO_SPACE);
2278 err = write_tree(&id, subdirpath, ignores, repo,
2279 progress_cb, progress_arg);
2282 memcpy(&(*new_te)->id, id, sizeof((*new_te)->id));
2294 static const struct got_error *
2295 write_tree(struct got_object_id **new_tree_id, const char *path_dir,
2296 struct got_pathlist_head *ignores, struct got_repository *repo,
2297 got_repo_import_cb progress_cb, void *progress_arg)
2299 const struct got_error *err = NULL;
2303 struct got_tree_entry *new_te = NULL;
2304 struct got_pathlist_head paths;
2305 struct got_pathlist_entry *pe;
2307 *new_tree_id = NULL;
2311 dir = opendir(path_dir);
2313 err = got_error_from_errno2("opendir", path_dir);
2318 while ((de = readdir(dir)) != NULL) {
2322 if (strcmp(de->d_name, ".") == 0 ||
2323 strcmp(de->d_name, "..") == 0)
2326 err = got_path_dirent_type(&type, path_dir, de);
2330 TAILQ_FOREACH(pe, ignores, entry) {
2331 if (type == DT_DIR && pe->path_len > 0 &&
2332 pe->path[pe->path_len - 1] == '/') {
2333 char stripped[PATH_MAX];
2335 if (strlcpy(stripped, pe->path,
2336 sizeof(stripped)) >= sizeof(stripped)) {
2337 err = got_error(GOT_ERR_NO_SPACE);
2340 got_path_strip_trailing_slashes(stripped);
2341 if (fnmatch(stripped, de->d_name, 0) == 0) {
2345 } else if (fnmatch(pe->path, de->d_name, 0) == 0) {
2353 if (type == DT_DIR) {
2354 err = import_subdir(&new_te, de, path_dir,
2355 ignores, repo, progress_cb, progress_arg);
2357 if (err->code != GOT_ERR_NO_TREE_ENTRY)
2362 } else if (type == DT_REG || type == DT_LNK) {
2363 err = import_file(&new_te, de, path_dir, repo);
2369 err = insert_tree_entry(new_te, &paths);
2375 if (TAILQ_EMPTY(&paths)) {
2376 err = got_error_msg(GOT_ERR_NO_TREE_ENTRY,
2377 "cannot create tree without any entries");
2381 TAILQ_FOREACH(pe, &paths, entry) {
2382 struct got_tree_entry *te = pe->data;
2384 if (!S_ISREG(te->mode) && !S_ISLNK(te->mode))
2386 if (asprintf(&path, "%s/%s", path_dir, pe->path) == -1) {
2387 err = got_error_from_errno("asprintf");
2390 err = (*progress_cb)(progress_arg, path);
2396 err = got_object_tree_create(new_tree_id, &paths, nentries, repo);
2400 got_pathlist_free(&paths, GOT_PATHLIST_FREE_NONE);
2404 const struct got_error *
2405 got_repo_import(struct got_object_id **new_commit_id, const char *path_dir,
2406 const char *logmsg, const char *author, struct got_pathlist_head *ignores,
2407 struct got_repository *repo, got_repo_import_cb progress_cb,
2410 const struct got_error *err;
2411 struct got_object_id *new_tree_id;
2413 err = write_tree(&new_tree_id, path_dir, ignores, repo,
2414 progress_cb, progress_arg);
2418 err = got_object_commit_create(new_commit_id, new_tree_id, NULL, 0,
2419 author, time(NULL), author, time(NULL), logmsg, repo);
2424 const struct got_error *
2425 got_repo_get_loose_object_info(int *nobjects, off_t *ondisk_size,
2426 struct got_repository *repo)
2428 const struct got_error *err = NULL;
2429 char *path_objects = NULL, *path = NULL;
2431 struct got_object_id id;
2437 path_objects = got_repo_get_path_objects(repo);
2438 if (path_objects == NULL)
2439 return got_error_from_errno("got_repo_get_path_objects");
2441 for (i = 0; i <= 0xff; i++) {
2442 struct dirent *dent;
2444 if (asprintf(&path, "%s/%.2x", path_objects, i) == -1) {
2445 err = got_error_from_errno("asprintf");
2449 dir = opendir(path);
2451 if (errno == ENOENT) {
2455 err = got_error_from_errno2("opendir", path);
2459 while ((dent = readdir(dir)) != NULL) {
2464 if (strcmp(dent->d_name, ".") == 0 ||
2465 strcmp(dent->d_name, "..") == 0)
2468 if (asprintf(&id_str, "%.2x%s", i, dent->d_name) == -1) {
2469 err = got_error_from_errno("asprintf");
2473 if (!got_parse_object_id(&id, id_str, repo->algo)) {
2479 err = got_object_open_loose_fd(&fd, &id, repo);
2483 if (fstat(fd, &sb) == -1) {
2484 err = got_error_from_errno("fstat");
2489 (*ondisk_size) += sb.st_size;
2491 if (close(fd) == -1) {
2492 err = got_error_from_errno("close");
2497 if (closedir(dir) != 0) {
2498 err = got_error_from_errno("closedir");
2507 if (dir && closedir(dir) != 0 && err == NULL)
2508 err = got_error_from_errno("closedir");
2519 const struct got_error *
2520 got_repo_get_packfile_info(int *npackfiles, int *nobjects,
2521 off_t *total_packsize, struct got_repository *repo)
2523 const struct got_error *err = NULL;
2524 DIR *packdir = NULL;
2525 struct dirent *dent;
2526 struct got_packidx *packidx = NULL;
2528 char *path_packfile;
2534 *total_packsize = 0;
2536 packdir_fd = openat(got_repo_get_fd(repo),
2537 GOT_OBJECTS_PACK_DIR, O_DIRECTORY);
2538 if (packdir_fd == -1) {
2539 return got_error_from_errno_fmt("openat: %s/%s",
2540 got_repo_get_path_git_dir(repo),
2541 GOT_OBJECTS_PACK_DIR);
2544 packdir = fdopendir(packdir_fd);
2545 if (packdir == NULL) {
2546 err = got_error_from_errno("fdopendir");
2551 while ((dent = readdir(packdir)) != NULL) {
2552 if (!got_repo_is_packidx_filename(dent->d_name,
2553 strlen(dent->d_name)))
2556 if (asprintf(&path_packidx, "%s/%s", GOT_OBJECTS_PACK_DIR,
2557 dent->d_name) == -1) {
2558 err = got_error_from_errno("asprintf");
2562 err = got_packidx_open(&packidx, got_repo_get_fd(repo),
2568 if (fstat(packidx->fd, &sb) == -1)
2570 *total_packsize += sb.st_size;
2572 err = got_packidx_get_packfile_path(&path_packfile,
2573 packidx->path_packidx);
2577 if (fstatat(got_repo_get_fd(repo), path_packfile, &sb,
2579 free(path_packfile);
2582 free(path_packfile);
2583 *total_packsize += sb.st_size;
2585 *nobjects += be32toh(packidx->hdr.fanout_table[0xff]);
2589 got_packidx_close(packidx);
2594 got_packidx_close(packidx);
2595 if (packdir && closedir(packdir) != 0 && err == NULL)
2596 err = got_error_from_errno("closedir");
2600 *total_packsize = 0;
2605 RB_GENERATE(got_packidx_bloom_filter_tree, got_packidx_bloom_filter, entry,
2606 got_packidx_bloom_filter_cmp);