2 * Copyright (c) 2018 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 <sys/queue.h>
26 #include "got_error.h"
28 #include "got_repository.h"
30 #include "got_path_priv.h"
31 #include "got_repository_priv.h"
32 #include "got_zb_priv.h"
33 #include "got_delta_priv.h"
34 #include "got_object_priv.h"
35 #include "got_pack_priv.h"
38 #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
41 #define GOT_GIT_DIR ".git"
43 /* Mandatory files and directories inside the git directory. */
44 #define GOT_OBJECTS_DIR "objects"
45 #define GOT_REFS_DIR "refs"
46 #define GOT_HEAD_FILE "HEAD"
48 /* Other files and directories inside the git directory. */
49 #define GOT_FETCH_HEAD_FILE "FETCH_HEAD"
50 #define GOT_ORIG_HEAD_FILE "ORIG_HEAD"
51 #define GOT_OBJECTS_PACK_DIR "objects/pack"
54 got_repo_get_path_git_dir(struct got_repository *repo)
58 if (asprintf(&path_git, "%s/%s", repo->path, GOT_GIT_DIR) == -1)
65 get_path_git_child(struct got_repository *repo, const char *basename)
69 if (asprintf(&path_child, "%s/%s/%s", repo->path, GOT_GIT_DIR,
77 got_repo_get_path_objects(struct got_repository *repo)
79 return get_path_git_child(repo, GOT_OBJECTS_DIR);
83 got_repo_get_path_objects_pack(struct got_repository *repo)
85 return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
89 got_repo_get_path_refs(struct got_repository *repo)
91 return get_path_git_child(repo, GOT_REFS_DIR);
95 get_path_head(struct got_repository *repo)
97 return get_path_git_child(repo, GOT_HEAD_FILE);
101 is_git_repo(struct got_repository *repo)
103 char *path_git = got_repo_get_path_git_dir(repo);
104 char *path_objects = got_repo_get_path_objects(repo);
105 char *path_refs = got_repo_get_path_refs(repo);
106 char *path_head = get_path_head(repo);
109 ret = (path_git != NULL) && (path_objects != NULL) &&
110 (path_refs != NULL) && (path_head != NULL);
120 const struct got_error *
121 got_repo_open(struct got_repository **ret, const char *path)
123 struct got_repository *repo = NULL;
124 const struct got_error *err = NULL;
127 if (got_path_is_absolute(path))
128 abspath = strdup(path);
130 abspath = got_path_get_absolute(path);
132 return got_error(GOT_ERR_BAD_PATH);
134 repo = calloc(1, sizeof(*repo));
136 err = got_error(GOT_ERR_NO_MEM);
140 repo->path = got_path_normalize(abspath);
141 if (repo->path == NULL) {
142 err = got_error(GOT_ERR_BAD_PATH);
146 if (!is_git_repo(repo)) {
147 err = got_error(GOT_ERR_NOT_GIT_REPO);
160 got_repo_close(struct got_repository *repo)
164 for (i = 0; i < nitems(repo->packidx_cache); i++) {
165 if (repo->packidx_cache[i] == NULL)
167 got_packidx_close(repo->packidx_cache[i]);