Add tests for per-repository eol normalization
[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];
bb1ae3f6 14int user_ident_explicitly_given;
e1b10391 15int trust_executable_bit = 1;
1ce4790b 16int trust_ctime = 1;
78a8d641 17int has_symlinks = 1;
0a9b88b7 18int ignore_case;
96f1e58f
DR
19int assume_unchanged;
20int prefer_symlink_refs;
7d1864ce 21int is_bare_repository_cfg = -1; /* unspecified */
510c5a8e 22int log_all_ref_updates = -1; /* unspecified */
1b371f56 23int warn_ambiguous_refs = 1;
96f1e58f 24int repository_format_version;
1a8f2741 25const char *git_commit_encoding;
3a55602e 26const char *git_log_output_encoding;
94df2506 27int shared_repository = PERM_UMASK;
96f1e58f 28const char *apply_default_whitespace;
86c91f91 29const char *apply_default_ignorewhitespace;
960ccca6
DH
30int zlib_compression_level = Z_BEST_SPEED;
31int core_compression_level;
32int core_compression_seen;
aafe9fba 33int fsync_object_files;
8c82534d
SP
34size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
35size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
18bdec11 36size_t delta_base_cache_limit = 16 * 1024 * 1024;
872da32d 37const char *pager_program;
aa086eb8 38int pager_use_color = 1;
ee9601e6 39const char *editor_program;
dfb068be 40const char *excludes_file;
d7f46334 41int auto_crlf = 0; /* 1: both ways, -1: only when adding git objects */
dae556bd 42int read_replace_refs = 1;
21e5ad50 43enum safe_crlf safe_crlf = SAFE_CRLF_WARN;
cf1b7869 44unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
9ed36cfa 45enum branch_track git_branch_track = BRANCH_TRACK_REMOTE;
c998ae9b 46enum rebase_setup_type autorebase = AUTOREBASE_NEVER;
bba0fd22 47enum push_default_type push_default = PUSH_DEFAULT_MATCHING;
348df166
JS
48#ifndef OBJECT_CREATION_MODE
49#define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
be66a6c4 50#endif
348df166 51enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE;
a97a7468 52char *notes_ref_name;
7f3140cd 53int grafts_replace_parents = 1;
08aefc9e 54int core_apply_sparse_checkout;
e1b10391 55
671c9b7e
LT
56/* Parallel index stat data preload? */
57int core_preload_index = 0;
58
e90fdc39
JS
59/* This is set by setup_git_dir_gently() and/or git_default_config() */
60char *git_work_tree_cfg;
19757d80 61static char *work_tree;
e90fdc39 62
c5fba16c
PH
63static const char *git_dir;
64static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
65
e1b10391
LT
66static void setup_git_env(void)
67{
68 git_dir = getenv(GIT_DIR_ENVIRONMENT);
b44ebb19
LH
69 if (!git_dir)
70 git_dir = read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT);
e1b10391
LT
71 if (!git_dir)
72 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
73 git_object_dir = getenv(DB_ENVIRONMENT);
74 if (!git_object_dir) {
75 git_object_dir = xmalloc(strlen(git_dir) + 9);
76 sprintf(git_object_dir, "%s/objects", git_dir);
77 }
78 git_refs_dir = xmalloc(strlen(git_dir) + 6);
79 sprintf(git_refs_dir, "%s/refs", git_dir);
80 git_index_file = getenv(INDEX_ENVIRONMENT);
81 if (!git_index_file) {
82 git_index_file = xmalloc(strlen(git_dir) + 7);
83 sprintf(git_index_file, "%s/index", git_dir);
84 }
85 git_graft_file = getenv(GRAFT_ENVIRONMENT);
86 if (!git_graft_file)
a4f34cbb 87 git_graft_file = git_pathdup("info/grafts");
6476b38b
CC
88 if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
89 read_replace_refs = 0;
0bee5918
SP
90}
91
7d1864ce 92int is_bare_repository(void)
0bee5918 93{
e90fdc39
JS
94 /* if core.bare is not 'false', let's see if there is a work tree */
95 return is_bare_repository_cfg && !get_git_work_tree();
e1b10391
LT
96}
97
d2b0708e
DP
98int have_git_dir(void)
99{
100 return !!git_dir;
101}
102
c5fba16c 103const char *get_git_dir(void)
e1b10391
LT
104{
105 if (!git_dir)
106 setup_git_env();
107 return git_dir;
108}
109
19757d80
DB
110static int git_work_tree_initialized;
111
112/*
113 * Note. This works only before you used a work tree. This was added
114 * primarily to support git-clone to work in a new repository it just
115 * created, and is not meant to flip between different work trees.
116 */
117void set_git_work_tree(const char *new_work_tree)
118{
119 if (is_bare_repository_cfg >= 0)
120 die("cannot set work tree after initialization");
121 git_work_tree_initialized = 1;
122 free(work_tree);
123 work_tree = xstrdup(make_absolute_path(new_work_tree));
124 is_bare_repository_cfg = 0;
125}
126
e90fdc39
JS
127const char *get_git_work_tree(void)
128{
19757d80 129 if (!git_work_tree_initialized) {
e90fdc39
JS
130 work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT);
131 /* core.bare = true overrides implicit and config work tree */
132 if (!work_tree && is_bare_repository_cfg < 1) {
133 work_tree = git_work_tree_cfg;
134 /* make_absolute_path also normalizes the path */
135 if (work_tree && !is_absolute_path(work_tree))
9db56f71 136 work_tree = xstrdup(make_absolute_path(git_path("%s", work_tree)));
e90fdc39
JS
137 } else if (work_tree)
138 work_tree = xstrdup(make_absolute_path(work_tree));
19757d80 139 git_work_tree_initialized = 1;
e90fdc39
JS
140 if (work_tree)
141 is_bare_repository_cfg = 0;
142 }
143 return work_tree;
144}
145
e1b10391
LT
146char *get_object_directory(void)
147{
148 if (!git_object_dir)
149 setup_git_env();
150 return git_object_dir;
151}
152
e1b10391
LT
153char *get_index_file(void)
154{
155 if (!git_index_file)
156 setup_git_env();
157 return git_index_file;
158}
159
160char *get_graft_file(void)
161{
162 if (!git_graft_file)
163 setup_git_env();
164 return git_graft_file;
165}
d7ac12b2
JS
166
167int set_git_dir(const char *path)
168{
169 if (setenv(GIT_DIR_ENVIRONMENT, path, 1))
170 return error("Could not set GIT_DIR to '%s'", path);
171 setup_git_env();
172 return 0;
173}