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 "repository.h"
15 #include "fmt-merge-msg.h"
17 #include "argv-array.h"
18 #include "object-store.h"
19 #include "chdir-notify.h"
21 int trust_executable_bit
= 1;
25 int minimum_abbrev
= 4, default_abbrev
= -1;
28 int prefer_symlink_refs
;
29 int is_bare_repository_cfg
= -1; /* unspecified */
30 int warn_ambiguous_refs
= 1;
31 int warn_on_object_refname_ambiguity
= 1;
32 int ref_paranoia
= -1;
33 int repository_format_precious_objects
;
34 char *repository_format_partial_clone
;
35 const char *core_partial_clone_filter_default
;
36 int repository_format_worktree_config
;
37 const char *git_commit_encoding
;
38 const char *git_log_output_encoding
;
39 const char *apply_default_whitespace
;
40 const char *apply_default_ignorewhitespace
;
41 const char *git_attributes_file
;
42 const char *git_hooks_path
;
43 int zlib_compression_level
= Z_BEST_SPEED
;
44 int core_compression_level
;
45 int pack_compression_level
= Z_DEFAULT_COMPRESSION
;
46 int fsync_object_files
;
47 size_t packed_git_window_size
= DEFAULT_PACKED_GIT_WINDOW_SIZE
;
48 size_t packed_git_limit
= DEFAULT_PACKED_GIT_LIMIT
;
49 size_t delta_base_cache_limit
= 96 * 1024 * 1024;
50 unsigned long big_file_threshold
= 512 * 1024 * 1024;
51 int pager_use_color
= 1;
52 const char *editor_program
;
53 const char *askpass_program
;
54 const char *excludes_file
;
55 enum auto_crlf auto_crlf
= AUTO_CRLF_FALSE
;
56 int read_replace_refs
= 1;
57 char *git_replace_ref_base
;
58 enum eol core_eol
= EOL_UNSET
;
59 int global_conv_flags_eol
= CONV_EOL_RNDTRP_WARN
;
60 char *check_roundtrip_encoding
= "SHIFT-JIS";
61 unsigned whitespace_rule_cfg
= WS_DEFAULT_RULE
;
62 enum branch_track git_branch_track
= BRANCH_TRACK_REMOTE
;
63 enum rebase_setup_type autorebase
= AUTOREBASE_NEVER
;
64 enum push_default_type push_default
= PUSH_DEFAULT_UNSPECIFIED
;
65 #ifndef OBJECT_CREATION_MODE
66 #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
68 enum object_creation_mode object_creation_mode
= OBJECT_CREATION_MODE
;
70 int grafts_replace_parents
= 1;
71 int core_apply_sparse_checkout
;
72 int merge_log_config
= -1;
73 int precomposed_unicode
= -1; /* see probe_utf8_pathname_composition() */
74 unsigned long pack_size_limit_cfg
;
75 enum hide_dotfiles_type hide_dotfiles
= HIDE_DOTFILES_DOTGITONLY
;
76 enum log_refs_config log_all_ref_updates
= LOG_REFS_UNSET
;
78 #ifndef PROTECT_HFS_DEFAULT
79 #define PROTECT_HFS_DEFAULT 0
81 int protect_hfs
= PROTECT_HFS_DEFAULT
;
83 #ifndef PROTECT_NTFS_DEFAULT
84 #define PROTECT_NTFS_DEFAULT 0
86 int protect_ntfs
= PROTECT_NTFS_DEFAULT
;
87 const char *core_fsmonitor
;
90 * The character that begins a commented line in user-editable file
91 * that is subject to stripspace.
93 char comment_line_char
= '#';
94 int auto_comment_line_char
;
96 /* Parallel index stat data preload? */
97 int core_preload_index
= 1;
100 * This is a hack for test programs like test-dump-untracked-cache to
101 * ensure that they do not modify the untracked cache when reading it.
102 * Do not use it otherwise!
104 int ignore_untracked_cache_config
;
106 /* This is set by setup_git_dir_gently() and/or git_default_config() */
107 char *git_work_tree_cfg
;
109 static char *git_namespace
;
111 static const char *super_prefix
;
114 * Repository-local GIT_* environment variables; see cache.h for details.
116 const char * const local_repo_env
[] = {
117 ALTERNATE_DB_ENVIRONMENT
,
119 CONFIG_DATA_ENVIRONMENT
,
122 GIT_WORK_TREE_ENVIRONMENT
,
123 GIT_IMPLICIT_WORK_TREE_ENVIRONMENT
,
126 NO_REPLACE_OBJECTS_ENVIRONMENT
,
127 GIT_REPLACE_REF_BASE_ENVIRONMENT
,
128 GIT_PREFIX_ENVIRONMENT
,
129 GIT_SUPER_PREFIX_ENVIRONMENT
,
130 GIT_SHALLOW_FILE_ENVIRONMENT
,
131 GIT_COMMON_DIR_ENVIRONMENT
,
135 static char *expand_namespace(const char *raw_namespace
)
137 struct strbuf buf
= STRBUF_INIT
;
138 struct strbuf
**components
, **c
;
140 if (!raw_namespace
|| !*raw_namespace
)
143 strbuf_addstr(&buf
, raw_namespace
);
144 components
= strbuf_split(&buf
, '/');
146 for (c
= components
; *c
; c
++)
147 if (strcmp((*c
)->buf
, "/") != 0)
148 strbuf_addf(&buf
, "refs/namespaces/%s", (*c
)->buf
);
149 strbuf_list_free(components
);
150 if (check_refname_format(buf
.buf
, 0))
151 die(_("bad git namespace path \"%s\""), raw_namespace
);
152 strbuf_addch(&buf
, '/');
153 return strbuf_detach(&buf
, NULL
);
157 * Wrapper of getenv() that returns a strdup value. This value is kept
158 * in argv to be freed later.
160 static const char *getenv_safe(struct argv_array
*argv
, const char *name
)
162 const char *value
= getenv(name
);
167 argv_array_push(argv
, value
);
168 return argv
->argv
[argv
->argc
- 1];
171 void setup_git_env(const char *git_dir
)
173 const char *shallow_file
;
174 const char *replace_ref_base
;
175 struct set_gitdir_args args
= { NULL
};
176 struct argv_array to_free
= ARGV_ARRAY_INIT
;
178 args
.commondir
= getenv_safe(&to_free
, GIT_COMMON_DIR_ENVIRONMENT
);
179 args
.object_dir
= getenv_safe(&to_free
, DB_ENVIRONMENT
);
180 args
.graft_file
= getenv_safe(&to_free
, GRAFT_ENVIRONMENT
);
181 args
.index_file
= getenv_safe(&to_free
, INDEX_ENVIRONMENT
);
182 args
.alternate_db
= getenv_safe(&to_free
, ALTERNATE_DB_ENVIRONMENT
);
183 repo_set_gitdir(the_repository
, git_dir
, &args
);
184 argv_array_clear(&to_free
);
186 if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT
))
187 read_replace_refs
= 0;
188 replace_ref_base
= getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT
);
189 free(git_replace_ref_base
);
190 git_replace_ref_base
= xstrdup(replace_ref_base
? replace_ref_base
193 git_namespace
= expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT
));
194 shallow_file
= getenv(GIT_SHALLOW_FILE_ENVIRONMENT
);
196 set_alternate_shallow_file(the_repository
, shallow_file
, 0);
199 int is_bare_repository(void)
201 /* if core.bare is not 'false', let's see if there is a work tree */
202 return is_bare_repository_cfg
&& !get_git_work_tree();
205 int have_git_dir(void)
207 return startup_info
->have_repository
208 || the_repository
->gitdir
;
211 const char *get_git_dir(void)
213 if (!the_repository
->gitdir
)
214 BUG("git environment hasn't been setup");
215 return the_repository
->gitdir
;
218 const char *get_git_common_dir(void)
220 if (!the_repository
->commondir
)
221 BUG("git environment hasn't been setup");
222 return the_repository
->commondir
;
225 const char *get_git_namespace(void)
228 BUG("git environment hasn't been setup");
229 return git_namespace
;
232 const char *strip_namespace(const char *namespaced_ref
)
235 if (skip_prefix(namespaced_ref
, get_git_namespace(), &out
))
240 const char *get_super_prefix(void)
242 static int initialized
;
244 super_prefix
= getenv(GIT_SUPER_PREFIX_ENVIRONMENT
);
250 static int git_work_tree_initialized
;
253 * Note. This works only before you used a work tree. This was added
254 * primarily to support git-clone to work in a new repository it just
255 * created, and is not meant to flip between different work trees.
257 void set_git_work_tree(const char *new_work_tree
)
259 if (git_work_tree_initialized
) {
260 new_work_tree
= real_path(new_work_tree
);
261 if (strcmp(new_work_tree
, the_repository
->worktree
))
262 die("internal error: work tree has already been set\n"
263 "Current worktree: %s\nNew worktree: %s",
264 the_repository
->worktree
, new_work_tree
);
267 git_work_tree_initialized
= 1;
268 repo_set_worktree(the_repository
, new_work_tree
);
271 const char *get_git_work_tree(void)
273 return the_repository
->worktree
;
276 char *get_object_directory(void)
278 if (!the_repository
->objects
->objectdir
)
279 BUG("git environment hasn't been setup");
280 return the_repository
->objects
->objectdir
;
283 int odb_mkstemp(struct strbuf
*temp_filename
, const char *pattern
)
287 * we let the umask do its job, don't try to be more
288 * restrictive except to remove write permission.
291 git_path_buf(temp_filename
, "objects/%s", pattern
);
292 fd
= git_mkstemp_mode(temp_filename
->buf
, mode
);
297 /* some mkstemp implementations erase temp_filename on failure */
298 git_path_buf(temp_filename
, "objects/%s", pattern
);
299 safe_create_leading_directories(temp_filename
->buf
);
300 return xmkstemp_mode(temp_filename
->buf
, mode
);
303 int odb_pack_keep(const char *name
)
307 fd
= open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
312 safe_create_leading_directories_const(name
);
313 return open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
316 char *get_index_file(void)
318 if (!the_repository
->index_file
)
319 BUG("git environment hasn't been setup");
320 return the_repository
->index_file
;
323 char *get_graft_file(struct repository
*r
)
326 BUG("git environment hasn't been setup");
327 return r
->graft_file
;
330 static void set_git_dir_1(const char *path
)
332 if (setenv(GIT_DIR_ENVIRONMENT
, path
, 1))
333 die(_("could not set GIT_DIR to '%s'"), path
);
337 static void update_relative_gitdir(const char *name
,
342 char *path
= reparent_relative_path(old_cwd
, new_cwd
, get_git_dir());
343 trace_printf_key(&trace_setup_key
,
344 "setup: move $GIT_DIR to '%s'",
350 void set_git_dir(const char *path
)
353 if (!is_absolute_path(path
))
354 chdir_notify_register(NULL
, update_relative_gitdir
, NULL
);
357 const char *get_log_output_encoding(void)
359 return git_log_output_encoding
? git_log_output_encoding
360 : get_commit_output_encoding();
363 const char *get_commit_output_encoding(void)
365 return git_commit_encoding
? git_commit_encoding
: "UTF-8";
368 static int the_shared_repository
= PERM_UMASK
;
369 static int need_shared_repository_from_config
= 1;
371 void set_shared_repository(int value
)
373 the_shared_repository
= value
;
374 need_shared_repository_from_config
= 0;
377 int get_shared_repository(void)
379 if (need_shared_repository_from_config
) {
380 const char *var
= "core.sharedrepository";
382 if (!git_config_get_value(var
, &value
))
383 the_shared_repository
= git_config_perm(var
, value
);
384 need_shared_repository_from_config
= 0;
386 return the_shared_repository
;
389 void reset_shared_repository(void)
391 need_shared_repository_from_config
= 1;
394 int use_optional_locks(void)
396 return git_env_bool(GIT_OPTIONAL_LOCKS_ENVIRONMENT
, 1);
399 int print_sha1_ellipsis(void)
402 * Determine if the calling environment contains the variable
403 * GIT_PRINT_SHA1_ELLIPSIS set to "yes".
405 static int cached_result
= -1; /* unknown */
407 if (cached_result
< 0) {
408 const char *v
= getenv("GIT_PRINT_SHA1_ELLIPSIS");
409 cached_result
= (v
&& !strcasecmp(v
, "yes"));
411 return cached_result
;