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[git/git.git] / environment.c
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e1b10391
LT
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
12char git_default_email[MAX_GITNAME];
13char git_default_name[MAX_GITNAME];
14int trust_executable_bit = 1;
5f73076c 15int assume_unchanged = 0;
9f0bb90d 16int prefer_symlink_refs = 0;
6de08ae6 17int log_all_ref_updates = 0;
1b371f56 18int warn_ambiguous_refs = 1;
ab9cb76f 19int repository_format_version = 0;
4e72dcec 20char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
94df2506 21int shared_repository = PERM_UMASK;
2ae1c53b 22const char *apply_default_whitespace = NULL;
12f6c308 23int zlib_compression_level = Z_DEFAULT_COMPRESSION;
b75a82b7 24int pager_in_use;
e1b10391
LT
25
26static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
27 *git_graft_file;
28static void setup_git_env(void)
29{
30 git_dir = getenv(GIT_DIR_ENVIRONMENT);
31 if (!git_dir)
32 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
33 git_object_dir = getenv(DB_ENVIRONMENT);
34 if (!git_object_dir) {
35 git_object_dir = xmalloc(strlen(git_dir) + 9);
36 sprintf(git_object_dir, "%s/objects", git_dir);
37 }
38 git_refs_dir = xmalloc(strlen(git_dir) + 6);
39 sprintf(git_refs_dir, "%s/refs", git_dir);
40 git_index_file = getenv(INDEX_ENVIRONMENT);
41 if (!git_index_file) {
42 git_index_file = xmalloc(strlen(git_dir) + 7);
43 sprintf(git_index_file, "%s/index", git_dir);
44 }
45 git_graft_file = getenv(GRAFT_ENVIRONMENT);
46 if (!git_graft_file)
47 git_graft_file = strdup(git_path("info/grafts"));
48}
49
50char *get_git_dir(void)
51{
52 if (!git_dir)
53 setup_git_env();
54 return git_dir;
55}
56
57char *get_object_directory(void)
58{
59 if (!git_object_dir)
60 setup_git_env();
61 return git_object_dir;
62}
63
64char *get_refs_directory(void)
65{
66 if (!git_refs_dir)
67 setup_git_env();
68 return git_refs_dir;
69}
70
71char *get_index_file(void)
72{
73 if (!git_index_file)
74 setup_git_env();
75 return git_index_file;
76}
77
78char *get_graft_file(void)
79{
80 if (!git_graft_file)
81 setup_git_env();
82 return git_graft_file;
83}
84
85