2 7b19e0f1 2017-11-05 stsp * Copyright (c) 2017 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 4027f31a 2017-11-04 stsp #include <limits.h>
18 4027f31a 2017-11-04 stsp #include <stdlib.h>
19 4027f31a 2017-11-04 stsp #include <stdio.h>
20 4027f31a 2017-11-04 stsp #include <sha1.h>
21 4027f31a 2017-11-04 stsp #include <string.h>
23 4027f31a 2017-11-04 stsp #include "got_error.h"
24 4027f31a 2017-11-04 stsp #include "got_refs.h"
25 4027f31a 2017-11-04 stsp #include "got_repository.h"
27 c3f94f68 2017-11-05 stsp #include "path.h"
29 4027f31a 2017-11-04 stsp #define GOT_GIT_DIR ".git"
31 4027f31a 2017-11-04 stsp /* Mandatory files and directories inside the git directory. */
32 4df642d9 2017-11-05 stsp #define GOT_OBJECTS_DIR "objects"
33 4df642d9 2017-11-05 stsp #define GOT_REFS_DIR "refs"
34 4df642d9 2017-11-05 stsp #define GOT_HEAD_FILE "HEAD"
36 a1fd68d8 2018-01-12 stsp /* Other files and directories inside the git directory. */
37 4df642d9 2017-11-05 stsp #define GOT_FETCH_HEAD_FILE "FETCH_HEAD"
38 4df642d9 2017-11-05 stsp #define GOT_ORIG_HEAD_FILE "ORIG_HEAD"
39 a1fd68d8 2018-01-12 stsp #define GOT_OBJECTS_PACK_DIR "objects/pack"
42 11995603 2017-11-05 stsp got_repo_get_path_git_dir(struct got_repository *repo)
44 4027f31a 2017-11-04 stsp char *path_git;
46 4027f31a 2017-11-04 stsp if (asprintf(&path_git, "%s/%s", repo->path, GOT_GIT_DIR) == -1)
47 4027f31a 2017-11-04 stsp return NULL;
49 4027f31a 2017-11-04 stsp return path_git;
52 4027f31a 2017-11-04 stsp static char *
53 4027f31a 2017-11-04 stsp get_path_git_child(struct got_repository *repo, const char *basename)
55 4027f31a 2017-11-04 stsp char *path_child;
57 4027f31a 2017-11-04 stsp if (asprintf(&path_child, "%s/%s/%s", repo->path, GOT_GIT_DIR,
58 4027f31a 2017-11-04 stsp basename) == -1)
59 4027f31a 2017-11-04 stsp return NULL;
61 4027f31a 2017-11-04 stsp return path_child;
65 11995603 2017-11-05 stsp got_repo_get_path_objects(struct got_repository *repo)
67 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_OBJECTS_DIR);
71 a1fd68d8 2018-01-12 stsp got_repo_get_path_objects_pack(struct got_repository *repo)
73 a1fd68d8 2018-01-12 stsp return get_path_git_child(repo, GOT_OBJECTS_PACK_DIR);
77 11995603 2017-11-05 stsp got_repo_get_path_refs(struct got_repository *repo)
79 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_REFS_DIR);
82 4027f31a 2017-11-04 stsp static char *
83 4027f31a 2017-11-04 stsp get_path_head(struct got_repository *repo)
85 4027f31a 2017-11-04 stsp return get_path_git_child(repo, GOT_HEAD_FILE);
89 4027f31a 2017-11-04 stsp is_git_repo(struct got_repository *repo)
91 11995603 2017-11-05 stsp char *path_git = got_repo_get_path_git_dir(repo);
92 11995603 2017-11-05 stsp char *path_objects = got_repo_get_path_objects(repo);
93 11995603 2017-11-05 stsp char *path_refs = got_repo_get_path_refs(repo);
94 4027f31a 2017-11-04 stsp char *path_head = get_path_head(repo);
97 4027f31a 2017-11-04 stsp ret = (path_git != NULL) && (path_objects != NULL) &&
98 4027f31a 2017-11-04 stsp (path_refs != NULL) && (path_head != NULL);
100 4027f31a 2017-11-04 stsp free(path_git);
101 4027f31a 2017-11-04 stsp free(path_objects);
102 4027f31a 2017-11-04 stsp free(path_refs);
103 4027f31a 2017-11-04 stsp free(path_head);
104 4027f31a 2017-11-04 stsp return ret;
108 4027f31a 2017-11-04 stsp const struct got_error *
109 92af5469 2017-11-05 stsp got_repo_open(struct got_repository **ret, const char *path)
111 92af5469 2017-11-05 stsp struct got_repository *repo = NULL;
112 92af5469 2017-11-05 stsp const struct got_error *err = NULL;
113 92af5469 2017-11-05 stsp char *abspath = got_path_get_absolute(path);
115 92af5469 2017-11-05 stsp if (abspath == NULL)
116 92af5469 2017-11-05 stsp return got_error(GOT_ERR_BAD_PATH);
118 4027f31a 2017-11-04 stsp repo = calloc(1, sizeof(*repo));
119 92af5469 2017-11-05 stsp if (repo == NULL) {
120 92af5469 2017-11-05 stsp err = got_error(GOT_ERR_NO_MEM);
124 4027f31a 2017-11-04 stsp repo->path = got_path_normalize(abspath);
125 92af5469 2017-11-05 stsp if (repo->path == NULL) {
126 92af5469 2017-11-05 stsp err = got_error(GOT_ERR_BAD_PATH);
130 92af5469 2017-11-05 stsp if (!is_git_repo(repo)) {
131 92af5469 2017-11-05 stsp err = got_error(GOT_ERR_NOT_GIT_REPO);
135 4027f31a 2017-11-04 stsp *ret = repo;
138 92af5469 2017-11-05 stsp free(repo);
139 92af5469 2017-11-05 stsp free(abspath);
140 92af5469 2017-11-05 stsp return err;
144 4027f31a 2017-11-04 stsp got_repo_close(struct got_repository *repo)
146 4027f31a 2017-11-04 stsp free(repo->path);
147 4027f31a 2017-11-04 stsp free(repo);
