RelNotes/1.7.5.txt: typo and language fixes
[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;
d3e7da89 40const char *askpass_program;
dfb068be 41const char *excludes_file;
fd6cce9e 42enum auto_crlf auto_crlf = AUTO_CRLF_FALSE;
dae556bd 43int read_replace_refs = 1;
942e7747 44enum eol eol = EOL_UNSET;
21e5ad50 45enum safe_crlf safe_crlf = SAFE_CRLF_WARN;
cf1b7869 46unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
9ed36cfa 47enum branch_track git_branch_track = BRANCH_TRACK_REMOTE;
c998ae9b 48enum rebase_setup_type autorebase = AUTOREBASE_NEVER;
bba0fd22 49enum push_default_type push_default = PUSH_DEFAULT_MATCHING;
348df166
JS
50#ifndef OBJECT_CREATION_MODE
51#define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
be66a6c4 52#endif
348df166 53enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE;
a97a7468 54char *notes_ref_name;
7f3140cd 55int grafts_replace_parents = 1;
08aefc9e 56int core_apply_sparse_checkout;
e37c1329 57struct startup_info *startup_info;
e1b10391 58
671c9b7e
LT
59/* Parallel index stat data preload? */
60int core_preload_index = 0;
61
e90fdc39
JS
62/* This is set by setup_git_dir_gently() and/or git_default_config() */
63char *git_work_tree_cfg;
19757d80 64static char *work_tree;
e90fdc39 65
c5fba16c 66static const char *git_dir;
7f7868ea 67static char *git_object_dir, *git_index_file, *git_graft_file;
c5fba16c 68
48a7c1c4
GB
69/*
70 * Repository-local GIT_* environment variables
71 * Remember to update local_repo_env_size in cache.h when
72 * the size of the list changes
73 */
74const char * const local_repo_env[LOCAL_REPO_ENV_SIZE + 1] = {
75 ALTERNATE_DB_ENVIRONMENT,
76 CONFIG_ENVIRONMENT,
655e8d9c 77 CONFIG_DATA_ENVIRONMENT,
48a7c1c4
GB
78 DB_ENVIRONMENT,
79 GIT_DIR_ENVIRONMENT,
80 GIT_WORK_TREE_ENVIRONMENT,
81 GRAFT_ENVIRONMENT,
82 INDEX_ENVIRONMENT,
83 NO_REPLACE_OBJECTS_ENVIRONMENT,
84 NULL
85};
86
e1b10391
LT
87static void setup_git_env(void)
88{
89 git_dir = getenv(GIT_DIR_ENVIRONMENT);
15431ca6 90 git_dir = git_dir ? xstrdup(git_dir) : NULL;
06f3549d 91 if (!git_dir) {
b44ebb19 92 git_dir = read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT);
06f3549d
JN
93 git_dir = git_dir ? xstrdup(git_dir) : NULL;
94 }
e1b10391
LT
95 if (!git_dir)
96 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
97 git_object_dir = getenv(DB_ENVIRONMENT);
98 if (!git_object_dir) {
99 git_object_dir = xmalloc(strlen(git_dir) + 9);
100 sprintf(git_object_dir, "%s/objects", git_dir);
101 }
e1b10391
LT
102 git_index_file = getenv(INDEX_ENVIRONMENT);
103 if (!git_index_file) {
104 git_index_file = xmalloc(strlen(git_dir) + 7);
105 sprintf(git_index_file, "%s/index", git_dir);
106 }
107 git_graft_file = getenv(GRAFT_ENVIRONMENT);
108 if (!git_graft_file)
a4f34cbb 109 git_graft_file = git_pathdup("info/grafts");
6476b38b
CC
110 if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
111 read_replace_refs = 0;
0bee5918
SP
112}
113
7d1864ce 114int is_bare_repository(void)
0bee5918 115{
e90fdc39
JS
116 /* if core.bare is not 'false', let's see if there is a work tree */
117 return is_bare_repository_cfg && !get_git_work_tree();
e1b10391
LT
118}
119
d2b0708e
DP
120int have_git_dir(void)
121{
122 return !!git_dir;
123}
124
c5fba16c 125const char *get_git_dir(void)
e1b10391
LT
126{
127 if (!git_dir)
128 setup_git_env();
129 return git_dir;
130}
131
19757d80
DB
132static int git_work_tree_initialized;
133
134/*
135 * Note. This works only before you used a work tree. This was added
136 * primarily to support git-clone to work in a new repository it just
137 * created, and is not meant to flip between different work trees.
138 */
139void set_git_work_tree(const char *new_work_tree)
140{
83518360
NTND
141 if (git_work_tree_initialized) {
142 new_work_tree = make_absolute_path(new_work_tree);
143 if (strcmp(new_work_tree, work_tree))
144 die("internal error: work tree has already been set\n"
145 "Current worktree: %s\nNew worktree: %s",
146 work_tree, new_work_tree);
147 return;
148 }
19757d80 149 git_work_tree_initialized = 1;
19757d80 150 work_tree = xstrdup(make_absolute_path(new_work_tree));
19757d80
DB
151}
152
e90fdc39
JS
153const char *get_git_work_tree(void)
154{
e90fdc39
JS
155 return work_tree;
156}
157
e1b10391
LT
158char *get_object_directory(void)
159{
160 if (!git_object_dir)
161 setup_git_env();
162 return git_object_dir;
163}
164
463db9b1
JN
165int odb_mkstemp(char *template, size_t limit, const char *pattern)
166{
167 int fd;
168 /*
169 * we let the umask do its job, don't try to be more
170 * restrictive except to remove write permission.
171 */
172 int mode = 0444;
173 snprintf(template, limit, "%s/%s",
174 get_object_directory(), pattern);
175 fd = git_mkstemp_mode(template, mode);
176 if (0 <= fd)
177 return fd;
178
179 /* slow path */
180 /* some mkstemp implementations erase template on failure */
181 snprintf(template, limit, "%s/%s",
182 get_object_directory(), pattern);
183 safe_create_leading_directories(template);
184 return xmkstemp_mode(template, mode);
185}
186
187int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1)
188{
189 int fd;
190
191 snprintf(name, namesz, "%s/pack/pack-%s.keep",
192 get_object_directory(), sha1_to_hex(sha1));
193 fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
194 if (0 <= fd)
195 return fd;
196
197 /* slow path */
198 safe_create_leading_directories(name);
199 return open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
200}
201
e1b10391
LT
202char *get_index_file(void)
203{
204 if (!git_index_file)
205 setup_git_env();
206 return git_index_file;
207}
208
209char *get_graft_file(void)
210{
211 if (!git_graft_file)
212 setup_git_env();
213 return git_graft_file;
214}
d7ac12b2
JS
215
216int set_git_dir(const char *path)
217{
218 if (setenv(GIT_DIR_ENVIRONMENT, path, 1))
219 return error("Could not set GIT_DIR to '%s'", path);
220 setup_git_env();
221 return 0;
222}
a6fa5992
PN
223
224const char *get_log_output_encoding(void)
225{
226 return git_log_output_encoding ? git_log_output_encoding
227 : get_commit_output_encoding();
228}
229
230const char *get_commit_output_encoding(void)
231{
232 return git_commit_encoding ? git_commit_encoding : "UTF-8";
233}