core.prefersymlinkrefs: use symlinks for .git/HEAD
[git/git.git] / environment.c
CommitLineData
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;
e388c738 16int prefer_symlink_refs = 0;
1b371f56 17int warn_ambiguous_refs = 1;
ab9cb76f 18int repository_format_version = 0;
4e72dcec 19char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
457f06d6 20int shared_repository = 0;
2ae1c53b 21const char *apply_default_whitespace = NULL;
e1b10391
LT
22
23static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
24 *git_graft_file;
25static void setup_git_env(void)
26{
27 git_dir = getenv(GIT_DIR_ENVIRONMENT);
28 if (!git_dir)
29 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
30 git_object_dir = getenv(DB_ENVIRONMENT);
31 if (!git_object_dir) {
32 git_object_dir = xmalloc(strlen(git_dir) + 9);
33 sprintf(git_object_dir, "%s/objects", git_dir);
34 }
35 git_refs_dir = xmalloc(strlen(git_dir) + 6);
36 sprintf(git_refs_dir, "%s/refs", git_dir);
37 git_index_file = getenv(INDEX_ENVIRONMENT);
38 if (!git_index_file) {
39 git_index_file = xmalloc(strlen(git_dir) + 7);
40 sprintf(git_index_file, "%s/index", git_dir);
41 }
42 git_graft_file = getenv(GRAFT_ENVIRONMENT);
43 if (!git_graft_file)
44 git_graft_file = strdup(git_path("info/grafts"));
45}
46
47char *get_git_dir(void)
48{
49 if (!git_dir)
50 setup_git_env();
51 return git_dir;
52}
53
54char *get_object_directory(void)
55{
56 if (!git_object_dir)
57 setup_git_env();
58 return git_object_dir;
59}
60
61char *get_refs_directory(void)
62{
63 if (!git_refs_dir)
64 setup_git_env();
65 return git_refs_dir;
66}
67
68char *get_index_file(void)
69{
70 if (!git_index_file)
71 setup_git_env();
72 return git_index_file;
73}
74
75char *get_graft_file(void)
76{
77 if (!git_graft_file)
78 setup_git_env();
79 return git_graft_file;
80}
81
82