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 use_legacy_headers = 1;
15int trust_executable_bit = 1;
16int assume_unchanged;
17int prefer_symlink_refs;
18int log_all_ref_updates;
19int warn_ambiguous_refs = 1;
20int repository_format_version;
21char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
22int shared_repository = PERM_UMASK;
23const char *apply_default_whitespace;
24int zlib_compression_level = Z_DEFAULT_COMPRESSION;
25int pager_in_use;
26int pager_use_color = 1;
27
28static const char *git_dir;
29static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
30
31static void setup_git_env(void)
32{
33 git_dir = getenv(GIT_DIR_ENVIRONMENT);
34 if (!git_dir)
35 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
36 git_object_dir = getenv(DB_ENVIRONMENT);
37 if (!git_object_dir) {
38 git_object_dir = xmalloc(strlen(git_dir) + 9);
39 sprintf(git_object_dir, "%s/objects", git_dir);
40 }
41 git_refs_dir = xmalloc(strlen(git_dir) + 6);
42 sprintf(git_refs_dir, "%s/refs", git_dir);
43 git_index_file = getenv(INDEX_ENVIRONMENT);
44 if (!git_index_file) {
45 git_index_file = xmalloc(strlen(git_dir) + 7);
46 sprintf(git_index_file, "%s/index", git_dir);
47 }
48 git_graft_file = getenv(GRAFT_ENVIRONMENT);
49 if (!git_graft_file)
50 git_graft_file = xstrdup(git_path("info/grafts"));
51 log_all_ref_updates = !is_bare_git_dir(git_dir);
52}
53
54int is_bare_git_dir (const char *dir)
55{
56 const char *s;
57 if (!strcmp(dir, DEFAULT_GIT_DIR_ENVIRONMENT))
58 return 0;
59 s = strrchr(dir, '/');
60 return !s || strcmp(s + 1, DEFAULT_GIT_DIR_ENVIRONMENT);
61}
62
63const char *get_git_dir(void)
64{
65 if (!git_dir)
66 setup_git_env();
67 return git_dir;
68}
69
70char *get_object_directory(void)
71{
72 if (!git_object_dir)
73 setup_git_env();
74 return git_object_dir;
75}
76
77char *get_refs_directory(void)
78{
79 if (!git_refs_dir)
80 setup_git_env();
81 return git_refs_dir;
82}
83
84char *get_index_file(void)
85{
86 if (!git_index_file)
87 setup_git_env();
88 return git_index_file;
89}
90
91char *get_graft_file(void)
92{
93 if (!git_graft_file)
94 setup_git_env();
95 return git_graft_file;
96}
97
98