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