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 read_replace_refs
= 1; /* NEEDSWORK: rename to use_replace_refs */
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
;
68 * The character that begins a commented line in user-editable file
69 * that is subject to stripspace.
71 char comment_line_char
= '#';
73 /* Parallel index stat data preload? */
74 int core_preload_index
= 0;
76 /* This is set by setup_git_dir_gently() and/or git_default_config() */
77 char *git_work_tree_cfg
;
78 static char *work_tree
;
80 static const char *namespace;
81 static size_t namespace_len
;
83 static const char *git_dir
;
84 static char *git_object_dir
, *git_index_file
, *git_graft_file
;
87 * Repository-local GIT_* environment variables; see cache.h for details.
89 const char * const local_repo_env
[] = {
90 ALTERNATE_DB_ENVIRONMENT
,
92 CONFIG_DATA_ENVIRONMENT
,
95 GIT_WORK_TREE_ENVIRONMENT
,
96 GIT_IMPLICIT_WORK_TREE_ENVIRONMENT
,
99 NO_REPLACE_OBJECTS_ENVIRONMENT
,
100 GIT_PREFIX_ENVIRONMENT
,
101 GIT_SHALLOW_FILE_ENVIRONMENT
,
105 static char *expand_namespace(const char *raw_namespace
)
107 struct strbuf buf
= STRBUF_INIT
;
108 struct strbuf
**components
, **c
;
110 if (!raw_namespace
|| !*raw_namespace
)
113 strbuf_addstr(&buf
, raw_namespace
);
114 components
= strbuf_split(&buf
, '/');
116 for (c
= components
; *c
; c
++)
117 if (strcmp((*c
)->buf
, "/") != 0)
118 strbuf_addf(&buf
, "refs/namespaces/%s", (*c
)->buf
);
119 strbuf_list_free(components
);
120 if (check_refname_format(buf
.buf
, 0))
121 die("bad git namespace path \"%s\"", raw_namespace
);
122 strbuf_addch(&buf
, '/');
123 return strbuf_detach(&buf
, NULL
);
126 static void setup_git_env(void)
129 const char *shallow_file
;
131 git_dir
= getenv(GIT_DIR_ENVIRONMENT
);
133 git_dir
= DEFAULT_GIT_DIR_ENVIRONMENT
;
134 gitfile
= read_gitfile(git_dir
);
135 git_dir
= xstrdup(gitfile
? gitfile
: git_dir
);
136 git_object_dir
= getenv(DB_ENVIRONMENT
);
137 if (!git_object_dir
) {
138 git_object_dir
= xmalloc(strlen(git_dir
) + 9);
139 sprintf(git_object_dir
, "%s/objects", git_dir
);
141 git_index_file
= getenv(INDEX_ENVIRONMENT
);
142 if (!git_index_file
) {
143 git_index_file
= xmalloc(strlen(git_dir
) + 7);
144 sprintf(git_index_file
, "%s/index", git_dir
);
146 git_graft_file
= getenv(GRAFT_ENVIRONMENT
);
148 git_graft_file
= git_pathdup("info/grafts");
149 if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT
))
150 read_replace_refs
= 0;
151 namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT
));
152 namespace_len
= strlen(namespace);
153 shallow_file
= getenv(GIT_SHALLOW_FILE_ENVIRONMENT
);
155 set_alternate_shallow_file(shallow_file
, 0);
158 int is_bare_repository(void)
160 /* if core.bare is not 'false', let's see if there is a work tree */
161 return is_bare_repository_cfg
&& !get_git_work_tree();
164 const char *get_git_dir(void)
171 const char *get_git_namespace(void)
178 const char *strip_namespace(const char *namespaced_ref
)
180 if (prefixcmp(namespaced_ref
, get_git_namespace()) != 0)
182 return namespaced_ref
+ namespace_len
;
185 static int git_work_tree_initialized
;
188 * Note. This works only before you used a work tree. This was added
189 * primarily to support git-clone to work in a new repository it just
190 * created, and is not meant to flip between different work trees.
192 void set_git_work_tree(const char *new_work_tree
)
194 if (git_work_tree_initialized
) {
195 new_work_tree
= real_path(new_work_tree
);
196 if (strcmp(new_work_tree
, work_tree
))
197 die("internal error: work tree has already been set\n"
198 "Current worktree: %s\nNew worktree: %s",
199 work_tree
, new_work_tree
);
202 git_work_tree_initialized
= 1;
203 work_tree
= xstrdup(real_path(new_work_tree
));
206 const char *get_git_work_tree(void)
211 char *get_object_directory(void)
215 return git_object_dir
;
218 int odb_mkstemp(char *template, size_t limit
, const char *pattern
)
222 * we let the umask do its job, don't try to be more
223 * restrictive except to remove write permission.
226 snprintf(template, limit
, "%s/%s",
227 get_object_directory(), pattern
);
228 fd
= git_mkstemp_mode(template, mode
);
233 /* some mkstemp implementations erase template on failure */
234 snprintf(template, limit
, "%s/%s",
235 get_object_directory(), pattern
);
236 safe_create_leading_directories(template);
237 return xmkstemp_mode(template, mode
);
240 int odb_pack_keep(char *name
, size_t namesz
, unsigned char *sha1
)
244 snprintf(name
, namesz
, "%s/pack/pack-%s.keep",
245 get_object_directory(), sha1_to_hex(sha1
));
246 fd
= open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
251 safe_create_leading_directories(name
);
252 return open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
255 char *get_index_file(void)
259 return git_index_file
;
262 char *get_graft_file(void)
266 return git_graft_file
;
269 int set_git_dir(const char *path
)
271 if (setenv(GIT_DIR_ENVIRONMENT
, path
, 1))
272 return error("Could not set GIT_DIR to '%s'", path
);
277 const char *get_log_output_encoding(void)
279 return git_log_output_encoding
? git_log_output_encoding
280 : get_commit_output_encoding();
283 const char *get_commit_output_encoding(void)
285 return git_commit_encoding
? git_commit_encoding
: "UTF-8";