summaryrefslogtreecommitdiff
path: root/environment.c
blob: 0151ad07227d20a7f8d4a5c390d77b2aa85ef739 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
/*
 * We put all the git config variables in this same object
 * file, so that programs can link against the config parser
 * without having to link against all the rest of git.
 *
 * In particular, no need to bring in libz etc unless needed,
 * even if you might want to know where the git directory etc
 * are.
 */
#include "cache.h"
 
char git_default_email[MAX_GITNAME];
char git_default_name[MAX_GITNAME];
int use_legacy_headers = 1;
int trust_executable_bit = 1;
int has_symlinks = 1;
int assume_unchanged;
int prefer_symlink_refs;
int is_bare_repository_cfg = -1; /* unspecified */
int log_all_ref_updates = -1; /* unspecified */
int warn_ambiguous_refs = 1;
int repository_format_version;
char *git_commit_encoding;
const char *git_log_output_encoding;
int shared_repository = PERM_UMASK;
const char *apply_default_whitespace;
int zlib_compression_level = Z_DEFAULT_COMPRESSION;
size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
int pager_in_use;
int pager_use_color = 1;
int auto_crlf = 0;	/* 1: both ways, -1: only when adding git objects */
 
static const char *git_dir;
static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
 
static void setup_git_env(void)
{
	git_dir = getenv(GIT_DIR_ENVIRONMENT);
	if (!git_dir)
		git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
	git_object_dir = getenv(DB_ENVIRONMENT);
	if (!git_object_dir) {
		git_object_dir = xmalloc(strlen(git_dir) + 9);
		sprintf(git_object_dir, "%s/objects", git_dir);
	}
	git_refs_dir = xmalloc(strlen(git_dir) + 6);
	sprintf(git_refs_dir, "%s/refs", git_dir);
	git_index_file = getenv(INDEX_ENVIRONMENT);
	if (!git_index_file) {
		git_index_file = xmalloc(strlen(git_dir) + 7);
		sprintf(git_index_file, "%s/index", git_dir);
	}
	git_graft_file = getenv(GRAFT_ENVIRONMENT);
	if (!git_graft_file)
		git_graft_file = xstrdup(git_path("info/grafts"));
}
 
int is_bare_repository(void)
{
	const char *dir, *s;
	if (0 <= is_bare_repository_cfg)
		return is_bare_repository_cfg;
 
	dir = get_git_dir();
	if (!strcmp(dir, DEFAULT_GIT_DIR_ENVIRONMENT))
		return 0;
	s = strrchr(dir, '/');
	return !s || strcmp(s + 1, DEFAULT_GIT_DIR_ENVIRONMENT);
}
 
const char *get_git_dir(void)
{
	if (!git_dir)
		setup_git_env();
	return git_dir;
}
 
char *get_object_directory(void)
{
	if (!git_object_dir)
		setup_git_env();
	return git_object_dir;
}
 
char *get_refs_directory(void)
{
	if (!git_refs_dir)
		setup_git_env();
	return git_refs_dir;
}
 
char *get_index_file(void)
{
	if (!git_index_file)
		setup_git_env();
	return git_index_file;
}
 
char *get_graft_file(void)
{
	if (!git_graft_file)
		setup_git_env();
	return git_graft_file;
}