2 * Copyright (c) 2017 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.
25 #include "got_error.h"
27 #include "got_repository.h"
29 #define GOT_GIT_DIR ".git"
31 /* Mandatory files and directories inside the git directory. */
32 #define GOT_OBJECTS_DIR "objects"
33 #define GOT_REFS_DIR "refs"
34 #define GOT_HEAD_FILE "HEAD"
37 get_path_git_dir(struct got_repository *repo)
41 if (asprintf(&path_git, "%s/%s", repo->path, GOT_GIT_DIR) == -1)
48 get_path_git_child(struct got_repository *repo, const char *basename)
52 if (asprintf(&path_child, "%s/%s/%s", repo->path, GOT_GIT_DIR,
60 get_path_objects(struct got_repository *repo)
62 return get_path_git_child(repo, GOT_OBJECTS_DIR);
66 get_path_refs(struct got_repository *repo)
68 return get_path_git_child(repo, GOT_REFS_DIR);
72 get_path_head(struct got_repository *repo)
74 return get_path_git_child(repo, GOT_HEAD_FILE);
78 is_git_repo(struct got_repository *repo)
80 char *path_git = get_path_git_dir(repo);
81 char *path_objects = get_path_objects(repo);
82 char *path_refs = get_path_refs(repo);
83 char *path_head = get_path_head(repo);
86 ret = (path_git != NULL) && (path_objects != NULL) &&
87 (path_refs != NULL) && (path_head != NULL);
97 const struct got_error *
98 got_repo_open(struct got_repository **ret, const char *abspath)
100 struct got_repository *repo;
102 if (!got_path_is_absolute(abspath))
103 return got_error(GOT_ERR_NOT_ABSPATH);
105 repo = calloc(1, sizeof(*repo));
107 return got_error(GOT_ERR_NO_MEM);
109 repo->path = got_path_normalize(abspath);
110 if (repo->path == NULL)
111 return got_error(GOT_ERR_BAD_PATH);
113 if (!is_git_repo(repo))
114 return got_error(GOT_ERR_NOT_GIT_REPO);
121 got_repo_close(struct got_repository *repo)
128 got_repo_get_path(struct got_repository *repo)
133 const struct got_error *
134 got_repo_get_reference(struct got_reference **ref,
135 struct got_repository *repo, const char *refname)
137 const struct got_error *err = NULL;
140 /* Some refs live in the .git directory. */
141 if (strcmp(refname, GOT_REF_HEAD) == 0)
142 path_refs = get_path_git_dir(repo);
144 path_refs = get_path_refs(repo);
146 err = got_ref_open(ref, path_refs, refname);