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
11 #include "repository.h"
14 #include "fmt-merge-msg.h"
16 #include "argv-array.h"
18 int trust_executable_bit
= 1;
22 int minimum_abbrev
= 4, default_abbrev
= -1;
25 int prefer_symlink_refs
;
26 int is_bare_repository_cfg
= -1; /* unspecified */
27 int warn_ambiguous_refs
= 1;
28 int warn_on_object_refname_ambiguity
= 1;
29 int ref_paranoia
= -1;
30 int repository_format_precious_objects
;
31 char *repository_format_partial_clone
;
32 const char *core_partial_clone_filter_default
;
33 const char *git_commit_encoding
;
34 const char *git_log_output_encoding
;
35 const char *apply_default_whitespace
;
36 const char *apply_default_ignorewhitespace
;
37 const char *git_attributes_file
;
38 const char *git_hooks_path
;
39 int zlib_compression_level
= Z_BEST_SPEED
;
40 int core_compression_level
;
41 int pack_compression_level
= Z_DEFAULT_COMPRESSION
;
42 int fsync_object_files
;
43 size_t packed_git_window_size
= DEFAULT_PACKED_GIT_WINDOW_SIZE
;
44 size_t packed_git_limit
= DEFAULT_PACKED_GIT_LIMIT
;
45 size_t delta_base_cache_limit
= 96 * 1024 * 1024;
46 unsigned long big_file_threshold
= 512 * 1024 * 1024;
47 int pager_use_color
= 1;
48 const char *editor_program
;
49 const char *askpass_program
;
50 const char *excludes_file
;
51 enum auto_crlf auto_crlf
= AUTO_CRLF_FALSE
;
52 int check_replace_refs
= 1;
53 char *git_replace_ref_base
;
54 enum eol core_eol
= EOL_UNSET
;
55 int global_conv_flags_eol
= CONV_EOL_RNDTRP_WARN
;
56 unsigned whitespace_rule_cfg
= WS_DEFAULT_RULE
;
57 enum branch_track git_branch_track
= BRANCH_TRACK_REMOTE
;
58 enum rebase_setup_type autorebase
= AUTOREBASE_NEVER
;
59 enum push_default_type push_default
= PUSH_DEFAULT_UNSPECIFIED
;
60 #ifndef OBJECT_CREATION_MODE
61 #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
63 enum object_creation_mode object_creation_mode
= OBJECT_CREATION_MODE
;
65 int grafts_replace_parents
= 1;
66 int core_apply_sparse_checkout
;
67 int merge_log_config
= -1;
68 int precomposed_unicode
= -1; /* see probe_utf8_pathname_composition() */
69 unsigned long pack_size_limit_cfg
;
70 enum hide_dotfiles_type hide_dotfiles
= HIDE_DOTFILES_DOTGITONLY
;
71 enum log_refs_config log_all_ref_updates
= LOG_REFS_UNSET
;
73 #ifndef PROTECT_HFS_DEFAULT
74 #define PROTECT_HFS_DEFAULT 0
76 int protect_hfs
= PROTECT_HFS_DEFAULT
;
78 #ifndef PROTECT_NTFS_DEFAULT
79 #define PROTECT_NTFS_DEFAULT 0
81 int protect_ntfs
= PROTECT_NTFS_DEFAULT
;
82 const char *core_fsmonitor
;
85 * The character that begins a commented line in user-editable file
86 * that is subject to stripspace.
88 char comment_line_char
= '#';
89 int auto_comment_line_char
;
91 /* Parallel index stat data preload? */
92 int core_preload_index
= 1;
95 * This is a hack for test programs like test-dump-untracked-cache to
96 * ensure that they do not modify the untracked cache when reading it.
97 * Do not use it otherwise!
99 int ignore_untracked_cache_config
;
101 /* This is set by setup_git_dir_gently() and/or git_default_config() */
102 char *git_work_tree_cfg
;
104 static char *namespace;
106 static const char *super_prefix
;
109 * Repository-local GIT_* environment variables; see cache.h for details.
111 const char * const local_repo_env
[] = {
112 ALTERNATE_DB_ENVIRONMENT
,
114 CONFIG_DATA_ENVIRONMENT
,
117 GIT_WORK_TREE_ENVIRONMENT
,
118 GIT_IMPLICIT_WORK_TREE_ENVIRONMENT
,
121 NO_REPLACE_OBJECTS_ENVIRONMENT
,
122 GIT_REPLACE_REF_BASE_ENVIRONMENT
,
123 GIT_PREFIX_ENVIRONMENT
,
124 GIT_SUPER_PREFIX_ENVIRONMENT
,
125 GIT_SHALLOW_FILE_ENVIRONMENT
,
126 GIT_COMMON_DIR_ENVIRONMENT
,
130 static char *expand_namespace(const char *raw_namespace
)
132 struct strbuf buf
= STRBUF_INIT
;
133 struct strbuf
**components
, **c
;
135 if (!raw_namespace
|| !*raw_namespace
)
138 strbuf_addstr(&buf
, raw_namespace
);
139 components
= strbuf_split(&buf
, '/');
141 for (c
= components
; *c
; c
++)
142 if (strcmp((*c
)->buf
, "/") != 0)
143 strbuf_addf(&buf
, "refs/namespaces/%s", (*c
)->buf
);
144 strbuf_list_free(components
);
145 if (check_refname_format(buf
.buf
, 0))
146 die("bad git namespace path \"%s\"", raw_namespace
);
147 strbuf_addch(&buf
, '/');
148 return strbuf_detach(&buf
, NULL
);
152 * Wrapper of getenv() that returns a strdup value. This value is kept
153 * in argv to be freed later.
155 static const char *getenv_safe(struct argv_array
*argv
, const char *name
)
157 const char *value
= getenv(name
);
162 argv_array_push(argv
, value
);
163 return argv
->argv
[argv
->argc
- 1];
166 void setup_git_env(const char *git_dir
)
168 const char *shallow_file
;
169 const char *replace_ref_base
;
170 struct set_gitdir_args args
= { NULL
};
171 struct argv_array to_free
= ARGV_ARRAY_INIT
;
173 args
.commondir
= getenv_safe(&to_free
, GIT_COMMON_DIR_ENVIRONMENT
);
174 args
.object_dir
= getenv_safe(&to_free
, DB_ENVIRONMENT
);
175 args
.graft_file
= getenv_safe(&to_free
, GRAFT_ENVIRONMENT
);
176 args
.index_file
= getenv_safe(&to_free
, INDEX_ENVIRONMENT
);
177 args
.alternate_db
= getenv_safe(&to_free
, ALTERNATE_DB_ENVIRONMENT
);
178 repo_set_gitdir(the_repository
, git_dir
, &args
);
179 argv_array_clear(&to_free
);
181 if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT
))
182 check_replace_refs
= 0;
183 replace_ref_base
= getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT
);
184 free(git_replace_ref_base
);
185 git_replace_ref_base
= xstrdup(replace_ref_base
? replace_ref_base
188 namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT
));
189 shallow_file
= getenv(GIT_SHALLOW_FILE_ENVIRONMENT
);
191 set_alternate_shallow_file(shallow_file
, 0);
194 int is_bare_repository(void)
196 /* if core.bare is not 'false', let's see if there is a work tree */
197 return is_bare_repository_cfg
&& !get_git_work_tree();
200 int have_git_dir(void)
202 return startup_info
->have_repository
203 || the_repository
->gitdir
;
206 const char *get_git_dir(void)
208 if (!the_repository
->gitdir
)
209 BUG("git environment hasn't been setup");
210 return the_repository
->gitdir
;
213 const char *get_git_common_dir(void)
215 if (!the_repository
->commondir
)
216 BUG("git environment hasn't been setup");
217 return the_repository
->commondir
;
220 const char *get_git_namespace(void)
223 BUG("git environment hasn't been setup");
227 const char *strip_namespace(const char *namespaced_ref
)
230 if (skip_prefix(namespaced_ref
, get_git_namespace(), &out
))
235 const char *get_super_prefix(void)
237 static int initialized
;
239 super_prefix
= getenv(GIT_SUPER_PREFIX_ENVIRONMENT
);
245 static int git_work_tree_initialized
;
248 * Note. This works only before you used a work tree. This was added
249 * primarily to support git-clone to work in a new repository it just
250 * created, and is not meant to flip between different work trees.
252 void set_git_work_tree(const char *new_work_tree
)
254 if (git_work_tree_initialized
) {
255 new_work_tree
= real_path(new_work_tree
);
256 if (strcmp(new_work_tree
, the_repository
->worktree
))
257 die("internal error: work tree has already been set\n"
258 "Current worktree: %s\nNew worktree: %s",
259 the_repository
->worktree
, new_work_tree
);
262 git_work_tree_initialized
= 1;
263 repo_set_worktree(the_repository
, new_work_tree
);
266 const char *get_git_work_tree(void)
268 return the_repository
->worktree
;
271 char *get_object_directory(void)
273 if (!the_repository
->objectdir
)
274 BUG("git environment hasn't been setup");
275 return the_repository
->objectdir
;
278 int odb_mkstemp(struct strbuf
*template, const char *pattern
)
282 * we let the umask do its job, don't try to be more
283 * restrictive except to remove write permission.
286 git_path_buf(template, "objects/%s", pattern
);
287 fd
= git_mkstemp_mode(template->buf
, mode
);
292 /* some mkstemp implementations erase template on failure */
293 git_path_buf(template, "objects/%s", pattern
);
294 safe_create_leading_directories(template->buf
);
295 return xmkstemp_mode(template->buf
, mode
);
298 int odb_pack_keep(const char *name
)
302 fd
= open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
307 safe_create_leading_directories_const(name
);
308 return open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
311 char *get_index_file(void)
313 if (!the_repository
->index_file
)
314 BUG("git environment hasn't been setup");
315 return the_repository
->index_file
;
318 char *get_graft_file(void)
320 if (!the_repository
->graft_file
)
321 BUG("git environment hasn't been setup");
322 return the_repository
->graft_file
;
325 int set_git_dir(const char *path
)
327 if (setenv(GIT_DIR_ENVIRONMENT
, path
, 1))
328 return error("Could not set GIT_DIR to '%s'", path
);
333 const char *get_log_output_encoding(void)
335 return git_log_output_encoding
? git_log_output_encoding
336 : get_commit_output_encoding();
339 const char *get_commit_output_encoding(void)
341 return git_commit_encoding
? git_commit_encoding
: "UTF-8";
344 static int the_shared_repository
= PERM_UMASK
;
345 static int need_shared_repository_from_config
= 1;
347 void set_shared_repository(int value
)
349 the_shared_repository
= value
;
350 need_shared_repository_from_config
= 0;
353 int get_shared_repository(void)
355 if (need_shared_repository_from_config
) {
356 const char *var
= "core.sharedrepository";
358 if (!git_config_get_value(var
, &value
))
359 the_shared_repository
= git_config_perm(var
, value
);
360 need_shared_repository_from_config
= 0;
362 return the_shared_repository
;
365 void reset_shared_repository(void)
367 need_shared_repository_from_config
= 1;
370 int use_optional_locks(void)
372 return git_env_bool(GIT_OPTIONAL_LOCKS_ENVIRONMENT
, 1);
375 int print_sha1_ellipsis(void)
378 * Determine if the calling environment contains the variable
379 * GIT_PRINT_SHA1_ELLIPSIS set to "yes".
381 static int cached_result
= -1; /* unknown */
383 if (cached_result
< 0) {
384 const char *v
= getenv("GIT_PRINT_SHA1_ELLIPSIS");
385 cached_result
= (v
&& !strcasecmp(v
, "yes"));
387 return cached_result
;