git-send-email: Do not make @-less message ID
[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;
78a8d641 15int has_symlinks = 1;
96f1e58f
DR
16int assume_unchanged;
17int prefer_symlink_refs;
7d1864ce 18int is_bare_repository_cfg = -1; /* unspecified */
510c5a8e 19int log_all_ref_updates = -1; /* unspecified */
1b371f56 20int warn_ambiguous_refs = 1;
96f1e58f 21int repository_format_version;
1a8f2741 22const char *git_commit_encoding;
3a55602e 23const char *git_log_output_encoding;
94df2506 24int shared_repository = PERM_UMASK;
96f1e58f 25const char *apply_default_whitespace;
960ccca6
DH
26int zlib_compression_level = Z_BEST_SPEED;
27int core_compression_level;
28int core_compression_seen;
8c82534d
SP
29size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
30size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
18bdec11 31size_t delta_base_cache_limit = 16 * 1024 * 1024;
b75a82b7 32int pager_in_use;
aa086eb8 33int pager_use_color = 1;
d7f46334 34int auto_crlf = 0; /* 1: both ways, -1: only when adding git objects */
e1b10391 35
c5fba16c
PH
36static const char *git_dir;
37static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
38
e1b10391
LT
39static void setup_git_env(void)
40{
41 git_dir = getenv(GIT_DIR_ENVIRONMENT);
42 if (!git_dir)
43 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
44 git_object_dir = getenv(DB_ENVIRONMENT);
45 if (!git_object_dir) {
46 git_object_dir = xmalloc(strlen(git_dir) + 9);
47 sprintf(git_object_dir, "%s/objects", git_dir);
48 }
49 git_refs_dir = xmalloc(strlen(git_dir) + 6);
50 sprintf(git_refs_dir, "%s/refs", git_dir);
51 git_index_file = getenv(INDEX_ENVIRONMENT);
52 if (!git_index_file) {
53 git_index_file = xmalloc(strlen(git_dir) + 7);
54 sprintf(git_index_file, "%s/index", git_dir);
55 }
56 git_graft_file = getenv(GRAFT_ENVIRONMENT);
57 if (!git_graft_file)
9befac47 58 git_graft_file = xstrdup(git_path("info/grafts"));
0bee5918
SP
59}
60
7d1864ce 61int is_bare_repository(void)
0bee5918 62{
7d1864ce
JH
63 const char *dir, *s;
64 if (0 <= is_bare_repository_cfg)
65 return is_bare_repository_cfg;
66
67 dir = get_git_dir();
0bee5918
SP
68 if (!strcmp(dir, DEFAULT_GIT_DIR_ENVIRONMENT))
69 return 0;
70 s = strrchr(dir, '/');
71 return !s || strcmp(s + 1, DEFAULT_GIT_DIR_ENVIRONMENT);
e1b10391
LT
72}
73
c5fba16c 74const char *get_git_dir(void)
e1b10391
LT
75{
76 if (!git_dir)
77 setup_git_env();
78 return git_dir;
79}
80
81char *get_object_directory(void)
82{
83 if (!git_object_dir)
84 setup_git_env();
85 return git_object_dir;
86}
87
88char *get_refs_directory(void)
89{
90 if (!git_refs_dir)
91 setup_git_env();
92 return git_refs_dir;
93}
94
95char *get_index_file(void)
96{
97 if (!git_index_file)
98 setup_git_env();
99 return git_index_file;
100}
101
102char *get_graft_file(void)
103{
104 if (!git_graft_file)
105 setup_git_env();
106 return git_graft_file;
107}