Merge branch 'master' into lj/refs
[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 int deny_non_fast_forwards = 0;
24 const char *apply_default_whitespace;
25 int zlib_compression_level = Z_DEFAULT_COMPRESSION;
26 int pager_in_use;
27 int pager_use_color = 1;
28
29 static const char *git_dir;
30 static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
31
32 static void setup_git_env(void)
33 {
34 git_dir = getenv(GIT_DIR_ENVIRONMENT);
35 if (!git_dir)
36 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
37 git_object_dir = getenv(DB_ENVIRONMENT);
38 if (!git_object_dir) {
39 git_object_dir = xmalloc(strlen(git_dir) + 9);
40 sprintf(git_object_dir, "%s/objects", git_dir);
41 }
42 git_refs_dir = xmalloc(strlen(git_dir) + 6);
43 sprintf(git_refs_dir, "%s/refs", git_dir);
44 git_index_file = getenv(INDEX_ENVIRONMENT);
45 if (!git_index_file) {
46 git_index_file = xmalloc(strlen(git_dir) + 7);
47 sprintf(git_index_file, "%s/index", git_dir);
48 }
49 git_graft_file = getenv(GRAFT_ENVIRONMENT);
50 if (!git_graft_file)
51 git_graft_file = xstrdup(git_path("info/grafts"));
52 }
53
54 const char *get_git_dir(void)
55 {
56 if (!git_dir)
57 setup_git_env();
58 return git_dir;
59 }
60
61 char *get_object_directory(void)
62 {
63 if (!git_object_dir)
64 setup_git_env();
65 return git_object_dir;
66 }
67
68 char *get_refs_directory(void)
69 {
70 if (!git_refs_dir)
71 setup_git_env();
72 return git_refs_dir;
73 }
74
75 char *get_index_file(void)
76 {
77 if (!git_index_file)
78 setup_git_env();
79 return git_index_file;
80 }
81
82 char *get_graft_file(void)
83 {
84 if (!git_graft_file)
85 setup_git_env();
86 return git_graft_file;
87 }
88
89