Add 'core.ignorecase' option
[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;
9378c161 15int quote_path_fully = 1;
78a8d641 16int has_symlinks = 1;
0a9b88b7 17int ignore_case;
96f1e58f
DR
18int assume_unchanged;
19int prefer_symlink_refs;
7d1864ce 20int is_bare_repository_cfg = -1; /* unspecified */
510c5a8e 21int log_all_ref_updates = -1; /* unspecified */
1b371f56 22int warn_ambiguous_refs = 1;
96f1e58f 23int repository_format_version;
1a8f2741 24const char *git_commit_encoding;
3a55602e 25const char *git_log_output_encoding;
94df2506 26int shared_repository = PERM_UMASK;
96f1e58f 27const char *apply_default_whitespace;
960ccca6
DH
28int zlib_compression_level = Z_BEST_SPEED;
29int core_compression_level;
30int core_compression_seen;
8c82534d
SP
31size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
32size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
18bdec11 33size_t delta_base_cache_limit = 16 * 1024 * 1024;
872da32d 34const char *pager_program;
aa086eb8 35int pager_use_color = 1;
ee9601e6 36const char *editor_program;
dfb068be 37const char *excludes_file;
d7f46334 38int auto_crlf = 0; /* 1: both ways, -1: only when adding git objects */
21e5ad50 39enum safe_crlf safe_crlf = SAFE_CRLF_WARN;
cf1b7869 40unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
9ed36cfa 41enum branch_track git_branch_track = BRANCH_TRACK_REMOTE;
e1b10391 42
e90fdc39
JS
43/* This is set by setup_git_dir_gently() and/or git_default_config() */
44char *git_work_tree_cfg;
45static const char *work_tree;
46
c5fba16c
PH
47static const char *git_dir;
48static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
49
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50static void setup_git_env(void)
51{
52 git_dir = getenv(GIT_DIR_ENVIRONMENT);
53 if (!git_dir)
54 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
55 git_object_dir = getenv(DB_ENVIRONMENT);
56 if (!git_object_dir) {
57 git_object_dir = xmalloc(strlen(git_dir) + 9);
58 sprintf(git_object_dir, "%s/objects", git_dir);
59 }
60 git_refs_dir = xmalloc(strlen(git_dir) + 6);
61 sprintf(git_refs_dir, "%s/refs", git_dir);
62 git_index_file = getenv(INDEX_ENVIRONMENT);
63 if (!git_index_file) {
64 git_index_file = xmalloc(strlen(git_dir) + 7);
65 sprintf(git_index_file, "%s/index", git_dir);
66 }
67 git_graft_file = getenv(GRAFT_ENVIRONMENT);
68 if (!git_graft_file)
9befac47 69 git_graft_file = xstrdup(git_path("info/grafts"));
0bee5918
SP
70}
71
7d1864ce 72int is_bare_repository(void)
0bee5918 73{
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74 /* if core.bare is not 'false', let's see if there is a work tree */
75 return is_bare_repository_cfg && !get_git_work_tree();
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LT
76}
77
c5fba16c 78const char *get_git_dir(void)
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LT
79{
80 if (!git_dir)
81 setup_git_env();
82 return git_dir;
83}
84
e90fdc39
JS
85const char *get_git_work_tree(void)
86{
87 static int initialized = 0;
88 if (!initialized) {
89 work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT);
90 /* core.bare = true overrides implicit and config work tree */
91 if (!work_tree && is_bare_repository_cfg < 1) {
92 work_tree = git_work_tree_cfg;
93 /* make_absolute_path also normalizes the path */
94 if (work_tree && !is_absolute_path(work_tree))
95 work_tree = xstrdup(make_absolute_path(git_path(work_tree)));
96 } else if (work_tree)
97 work_tree = xstrdup(make_absolute_path(work_tree));
98 initialized = 1;
99 if (work_tree)
100 is_bare_repository_cfg = 0;
101 }
102 return work_tree;
103}
104
e1b10391
LT
105char *get_object_directory(void)
106{
107 if (!git_object_dir)
108 setup_git_env();
109 return git_object_dir;
110}
111
112char *get_refs_directory(void)
113{
114 if (!git_refs_dir)
115 setup_git_env();
116 return git_refs_dir;
117}
118
119char *get_index_file(void)
120{
121 if (!git_index_file)
122 setup_git_env();
123 return git_index_file;
124}
125
126char *get_graft_file(void)
127{
128 if (!git_graft_file)
129 setup_git_env();
130 return git_graft_file;
131}
d7ac12b2
JS
132
133int set_git_dir(const char *path)
134{
135 if (setenv(GIT_DIR_ENVIRONMENT, path, 1))
136 return error("Could not set GIT_DIR to '%s'", path);
137 setup_git_env();
138 return 0;
139}