avoid to use error that shadows the function name, use err instead.
[git/git.git] / environment.c
1 /*
2 * We put all the git config variables in this same object
3 * file, so that programs can link against the config parser
4 * without having to link against all the rest of git.
5 *
6 * In particular, no need to bring in libz etc unless needed,
7 * even if you might want to know where the git directory etc
8 * are.
9 */
10 #include "cache.h"
11
12 char git_default_email[MAX_GITNAME];
13 char git_default_name[MAX_GITNAME];
14 int use_legacy_headers = 1;
15 int trust_executable_bit = 1;
16 int assume_unchanged;
17 int prefer_symlink_refs;
18 int log_all_ref_updates;
19 int warn_ambiguous_refs = 1;
20 int repository_format_version;
21 char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
22 int shared_repository = PERM_UMASK;
23 const char *apply_default_whitespace;
24 int zlib_compression_level = Z_DEFAULT_COMPRESSION;
25 int pager_in_use;
26 int pager_use_color = 1;
27
28 static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
29 *git_graft_file;
30 static void setup_git_env(void)
31 {
32 git_dir = getenv(GIT_DIR_ENVIRONMENT);
33 if (!git_dir)
34 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
35 git_object_dir = getenv(DB_ENVIRONMENT);
36 if (!git_object_dir) {
37 git_object_dir = xmalloc(strlen(git_dir) + 9);
38 sprintf(git_object_dir, "%s/objects", git_dir);
39 }
40 git_refs_dir = xmalloc(strlen(git_dir) + 6);
41 sprintf(git_refs_dir, "%s/refs", git_dir);
42 git_index_file = getenv(INDEX_ENVIRONMENT);
43 if (!git_index_file) {
44 git_index_file = xmalloc(strlen(git_dir) + 7);
45 sprintf(git_index_file, "%s/index", git_dir);
46 }
47 git_graft_file = getenv(GRAFT_ENVIRONMENT);
48 if (!git_graft_file)
49 git_graft_file = strdup(git_path("info/grafts"));
50 }
51
52 char *get_git_dir(void)
53 {
54 if (!git_dir)
55 setup_git_env();
56 return git_dir;
57 }
58
59 char *get_object_directory(void)
60 {
61 if (!git_object_dir)
62 setup_git_env();
63 return git_object_dir;
64 }
65
66 char *get_refs_directory(void)
67 {
68 if (!git_refs_dir)
69 setup_git_env();
70 return git_refs_dir;
71 }
72
73 char *get_index_file(void)
74 {
75 if (!git_index_file)
76 setup_git_env();
77 return git_index_file;
78 }
79
80 char *get_graft_file(void)
81 {
82 if (!git_graft_file)
83 setup_git_env();
84 return git_graft_file;
85 }
86
87