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
13 char git_default_email
[MAX_GITNAME
];
14 char git_default_name
[MAX_GITNAME
];
15 int user_ident_explicitly_given
;
16 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 repository_format_version
;
27 const char *git_commit_encoding
;
28 const char *git_log_output_encoding
;
29 int shared_repository
= PERM_UMASK
;
30 const char *apply_default_whitespace
;
31 const char *apply_default_ignorewhitespace
;
32 int zlib_compression_level
= Z_BEST_SPEED
;
33 int core_compression_level
;
34 int core_compression_seen
;
35 int fsync_object_files
;
36 size_t packed_git_window_size
= DEFAULT_PACKED_GIT_WINDOW_SIZE
;
37 size_t packed_git_limit
= DEFAULT_PACKED_GIT_LIMIT
;
38 size_t delta_base_cache_limit
= 16 * 1024 * 1024;
39 unsigned long big_file_threshold
= 512 * 1024 * 1024;
40 const char *pager_program
;
41 int pager_use_color
= 1;
42 const char *editor_program
;
43 const char *askpass_program
;
44 const char *excludes_file
;
45 enum auto_crlf auto_crlf
= AUTO_CRLF_FALSE
;
46 int read_replace_refs
= 1; /* NEEDSWORK: rename to use_replace_refs */
47 enum eol core_eol
= EOL_UNSET
;
48 enum safe_crlf safe_crlf
= SAFE_CRLF_WARN
;
49 unsigned whitespace_rule_cfg
= WS_DEFAULT_RULE
;
50 enum branch_track git_branch_track
= BRANCH_TRACK_REMOTE
;
51 enum rebase_setup_type autorebase
= AUTOREBASE_NEVER
;
52 enum push_default_type push_default
= PUSH_DEFAULT_MATCHING
;
53 #ifndef OBJECT_CREATION_MODE
54 #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
56 enum object_creation_mode object_creation_mode
= OBJECT_CREATION_MODE
;
58 int grafts_replace_parents
= 1;
59 int core_apply_sparse_checkout
;
60 struct startup_info
*startup_info
;
62 /* Parallel index stat data preload? */
63 int core_preload_index
= 0;
65 /* This is set by setup_git_dir_gently() and/or git_default_config() */
66 char *git_work_tree_cfg
;
67 static char *work_tree
;
69 static const char *namespace;
70 static size_t namespace_len
;
72 static const char *git_dir
;
73 static char *git_object_dir
, *git_index_file
, *git_graft_file
;
76 * Repository-local GIT_* environment variables
77 * Remember to update local_repo_env_size in cache.h when
78 * the size of the list changes
80 const char * const local_repo_env
[LOCAL_REPO_ENV_SIZE
+ 1] = {
81 ALTERNATE_DB_ENVIRONMENT
,
83 CONFIG_DATA_ENVIRONMENT
,
86 GIT_WORK_TREE_ENVIRONMENT
,
89 NO_REPLACE_OBJECTS_ENVIRONMENT
,
93 static char *expand_namespace(const char *raw_namespace
)
95 struct strbuf buf
= STRBUF_INIT
;
96 struct strbuf
**components
, **c
;
98 if (!raw_namespace
|| !*raw_namespace
)
101 strbuf_addstr(&buf
, raw_namespace
);
102 components
= strbuf_split(&buf
, '/');
104 for (c
= components
; *c
; c
++)
105 if (strcmp((*c
)->buf
, "/") != 0)
106 strbuf_addf(&buf
, "refs/namespaces/%s", (*c
)->buf
);
107 strbuf_list_free(components
);
108 if (check_ref_format(buf
.buf
) != CHECK_REF_FORMAT_OK
)
109 die("bad git namespace path \"%s\"", raw_namespace
);
110 strbuf_addch(&buf
, '/');
111 return strbuf_detach(&buf
, NULL
);
114 static void setup_git_env(void)
116 git_dir
= getenv(GIT_DIR_ENVIRONMENT
);
117 git_dir
= git_dir
? xstrdup(git_dir
) : NULL
;
119 git_dir
= read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT
);
120 git_dir
= git_dir
? xstrdup(git_dir
) : NULL
;
123 git_dir
= DEFAULT_GIT_DIR_ENVIRONMENT
;
124 git_object_dir
= getenv(DB_ENVIRONMENT
);
125 if (!git_object_dir
) {
126 git_object_dir
= xmalloc(strlen(git_dir
) + 9);
127 sprintf(git_object_dir
, "%s/objects", git_dir
);
129 git_index_file
= getenv(INDEX_ENVIRONMENT
);
130 if (!git_index_file
) {
131 git_index_file
= xmalloc(strlen(git_dir
) + 7);
132 sprintf(git_index_file
, "%s/index", git_dir
);
134 git_graft_file
= getenv(GRAFT_ENVIRONMENT
);
136 git_graft_file
= git_pathdup("info/grafts");
137 if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT
))
138 read_replace_refs
= 0;
139 namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT
));
140 namespace_len
= strlen(namespace);
143 int is_bare_repository(void)
145 /* if core.bare is not 'false', let's see if there is a work tree */
146 return is_bare_repository_cfg
&& !get_git_work_tree();
149 int have_git_dir(void)
154 const char *get_git_dir(void)
161 const char *get_git_namespace(void)
168 const char *strip_namespace(const char *namespaced_ref
)
170 if (prefixcmp(namespaced_ref
, get_git_namespace()) != 0)
172 return namespaced_ref
+ namespace_len
;
175 static int git_work_tree_initialized
;
178 * Note. This works only before you used a work tree. This was added
179 * primarily to support git-clone to work in a new repository it just
180 * created, and is not meant to flip between different work trees.
182 void set_git_work_tree(const char *new_work_tree
)
184 if (git_work_tree_initialized
) {
185 new_work_tree
= real_path(new_work_tree
);
186 if (strcmp(new_work_tree
, work_tree
))
187 die("internal error: work tree has already been set\n"
188 "Current worktree: %s\nNew worktree: %s",
189 work_tree
, new_work_tree
);
192 git_work_tree_initialized
= 1;
193 work_tree
= xstrdup(real_path(new_work_tree
));
196 const char *get_git_work_tree(void)
201 char *get_object_directory(void)
205 return git_object_dir
;
208 int odb_mkstemp(char *template, size_t limit
, const char *pattern
)
212 * we let the umask do its job, don't try to be more
213 * restrictive except to remove write permission.
216 snprintf(template, limit
, "%s/%s",
217 get_object_directory(), pattern
);
218 fd
= git_mkstemp_mode(template, mode
);
223 /* some mkstemp implementations erase template on failure */
224 snprintf(template, limit
, "%s/%s",
225 get_object_directory(), pattern
);
226 safe_create_leading_directories(template);
227 return xmkstemp_mode(template, mode
);
230 int odb_pack_keep(char *name
, size_t namesz
, unsigned char *sha1
)
234 snprintf(name
, namesz
, "%s/pack/pack-%s.keep",
235 get_object_directory(), sha1_to_hex(sha1
));
236 fd
= open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
241 safe_create_leading_directories(name
);
242 return open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
245 char *get_index_file(void)
249 return git_index_file
;
252 char *get_graft_file(void)
256 return git_graft_file
;
259 int set_git_dir(const char *path
)
261 if (setenv(GIT_DIR_ENVIRONMENT
, path
, 1))
262 return error("Could not set GIT_DIR to '%s'", path
);
267 const char *get_log_output_encoding(void)
269 return git_log_output_encoding
? git_log_output_encoding
270 : get_commit_output_encoding();
273 const char *get_commit_output_encoding(void)
275 return git_commit_encoding
? git_commit_encoding
: "UTF-8";