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.
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
12 #include "fmt-merge-msg.h"
15 int trust_executable_bit
= 1;
19 int minimum_abbrev
= 4, default_abbrev
= 7;
22 int prefer_symlink_refs
;
23 int is_bare_repository_cfg
= -1; /* unspecified */
24 int log_all_ref_updates
= -1; /* unspecified */
25 int warn_ambiguous_refs
= 1;
26 int warn_on_object_refname_ambiguity
= 1;
27 int repository_format_version
;
28 const char *git_commit_encoding
;
29 const char *git_log_output_encoding
;
30 int shared_repository
= PERM_UMASK
;
31 const char *apply_default_whitespace
;
32 const char *apply_default_ignorewhitespace
;
33 const char *git_attributes_file
;
34 int zlib_compression_level
= Z_BEST_SPEED
;
35 int core_compression_level
;
36 int core_compression_seen
;
37 int fsync_object_files
;
38 size_t packed_git_window_size
= DEFAULT_PACKED_GIT_WINDOW_SIZE
;
39 size_t packed_git_limit
= DEFAULT_PACKED_GIT_LIMIT
;
40 size_t delta_base_cache_limit
= 16 * 1024 * 1024;
41 unsigned long big_file_threshold
= 512 * 1024 * 1024;
42 const char *pager_program
;
43 int pager_use_color
= 1;
44 const char *editor_program
;
45 const char *askpass_program
;
46 const char *excludes_file
;
47 enum auto_crlf auto_crlf
= AUTO_CRLF_FALSE
;
48 int check_replace_refs
= 1;
49 enum eol core_eol
= EOL_UNSET
;
50 enum safe_crlf safe_crlf
= SAFE_CRLF_WARN
;
51 unsigned whitespace_rule_cfg
= WS_DEFAULT_RULE
;
52 enum branch_track git_branch_track
= BRANCH_TRACK_REMOTE
;
53 enum rebase_setup_type autorebase
= AUTOREBASE_NEVER
;
54 enum push_default_type push_default
= PUSH_DEFAULT_UNSPECIFIED
;
55 #ifndef OBJECT_CREATION_MODE
56 #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
58 enum object_creation_mode object_creation_mode
= OBJECT_CREATION_MODE
;
60 int grafts_replace_parents
= 1;
61 int core_apply_sparse_checkout
;
62 int merge_log_config
= -1;
63 int precomposed_unicode
= -1; /* see probe_utf8_pathname_composition() */
64 struct startup_info
*startup_info
;
65 unsigned long pack_size_limit_cfg
;
66 enum hide_dotfiles_type hide_dotfiles
= HIDE_DOTFILES_DOTGITONLY
;
70 * The character that begins a commented line in user-editable file
71 * that is subject to stripspace.
73 char comment_line_char
= '#';
75 /* Parallel index stat data preload? */
76 int core_preload_index
= 0;
78 /* This is set by setup_git_dir_gently() and/or git_default_config() */
79 char *git_work_tree_cfg
;
80 static char *work_tree
;
82 static const char *namespace;
83 static size_t namespace_len
;
85 static const char *git_dir
;
86 static char *git_object_dir
, *git_index_file
, *git_graft_file
;
89 * Repository-local GIT_* environment variables; see cache.h for details.
91 const char * const local_repo_env
[] = {
92 ALTERNATE_DB_ENVIRONMENT
,
94 CONFIG_DATA_ENVIRONMENT
,
97 GIT_WORK_TREE_ENVIRONMENT
,
98 GIT_IMPLICIT_WORK_TREE_ENVIRONMENT
,
101 NO_REPLACE_OBJECTS_ENVIRONMENT
,
102 GIT_PREFIX_ENVIRONMENT
,
103 GIT_SHALLOW_FILE_ENVIRONMENT
,
107 static char *expand_namespace(const char *raw_namespace
)
109 struct strbuf buf
= STRBUF_INIT
;
110 struct strbuf
**components
, **c
;
112 if (!raw_namespace
|| !*raw_namespace
)
115 strbuf_addstr(&buf
, raw_namespace
);
116 components
= strbuf_split(&buf
, '/');
118 for (c
= components
; *c
; c
++)
119 if (strcmp((*c
)->buf
, "/") != 0)
120 strbuf_addf(&buf
, "refs/namespaces/%s", (*c
)->buf
);
121 strbuf_list_free(components
);
122 if (check_refname_format(buf
.buf
, 0))
123 die("bad git namespace path \"%s\"", raw_namespace
);
124 strbuf_addch(&buf
, '/');
125 return strbuf_detach(&buf
, NULL
);
128 static void setup_git_env(void)
131 const char *shallow_file
;
133 git_dir
= getenv(GIT_DIR_ENVIRONMENT
);
135 git_dir
= DEFAULT_GIT_DIR_ENVIRONMENT
;
136 gitfile
= read_gitfile(git_dir
);
137 git_dir
= xstrdup(gitfile
? gitfile
: git_dir
);
138 git_object_dir
= getenv(DB_ENVIRONMENT
);
139 if (!git_object_dir
) {
140 git_object_dir
= xmalloc(strlen(git_dir
) + 9);
141 sprintf(git_object_dir
, "%s/objects", git_dir
);
143 git_index_file
= getenv(INDEX_ENVIRONMENT
);
144 if (!git_index_file
) {
145 git_index_file
= xmalloc(strlen(git_dir
) + 7);
146 sprintf(git_index_file
, "%s/index", git_dir
);
148 git_graft_file
= getenv(GRAFT_ENVIRONMENT
);
150 git_graft_file
= git_pathdup("info/grafts");
151 if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT
))
152 check_replace_refs
= 0;
153 namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT
));
154 namespace_len
= strlen(namespace);
155 shallow_file
= getenv(GIT_SHALLOW_FILE_ENVIRONMENT
);
157 set_alternate_shallow_file(shallow_file
, 0);
160 int is_bare_repository(void)
162 /* if core.bare is not 'false', let's see if there is a work tree */
163 return is_bare_repository_cfg
&& !get_git_work_tree();
166 const char *get_git_dir(void)
173 const char *get_git_namespace(void)
180 const char *strip_namespace(const char *namespaced_ref
)
182 if (!starts_with(namespaced_ref
, get_git_namespace()))
184 return namespaced_ref
+ namespace_len
;
187 static int git_work_tree_initialized
;
190 * Note. This works only before you used a work tree. This was added
191 * primarily to support git-clone to work in a new repository it just
192 * created, and is not meant to flip between different work trees.
194 void set_git_work_tree(const char *new_work_tree
)
196 if (git_work_tree_initialized
) {
197 new_work_tree
= real_path(new_work_tree
);
198 if (strcmp(new_work_tree
, work_tree
))
199 die("internal error: work tree has already been set\n"
200 "Current worktree: %s\nNew worktree: %s",
201 work_tree
, new_work_tree
);
204 git_work_tree_initialized
= 1;
205 work_tree
= xstrdup(real_path(new_work_tree
));
208 const char *get_git_work_tree(void)
213 char *get_object_directory(void)
217 return git_object_dir
;
220 int odb_mkstemp(char *template, size_t limit
, const char *pattern
)
224 * we let the umask do its job, don't try to be more
225 * restrictive except to remove write permission.
228 snprintf(template, limit
, "%s/%s",
229 get_object_directory(), pattern
);
230 fd
= git_mkstemp_mode(template, mode
);
235 /* some mkstemp implementations erase template on failure */
236 snprintf(template, limit
, "%s/%s",
237 get_object_directory(), pattern
);
238 safe_create_leading_directories(template);
239 return xmkstemp_mode(template, mode
);
242 int odb_pack_keep(char *name
, size_t namesz
, const unsigned char *sha1
)
246 snprintf(name
, namesz
, "%s/pack/pack-%s.keep",
247 get_object_directory(), sha1_to_hex(sha1
));
248 fd
= open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
253 safe_create_leading_directories(name
);
254 return open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
257 char *get_index_file(void)
261 return git_index_file
;
264 char *get_graft_file(void)
268 return git_graft_file
;
271 int set_git_dir(const char *path
)
273 if (setenv(GIT_DIR_ENVIRONMENT
, path
, 1))
274 return error("Could not set GIT_DIR to '%s'", path
);
279 const char *get_log_output_encoding(void)
281 return git_log_output_encoding
? git_log_output_encoding
282 : get_commit_output_encoding();
285 const char *get_commit_output_encoding(void)
287 return git_commit_encoding
? git_commit_encoding
: "UTF-8";