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"
14 char git_default_email
[MAX_GITNAME
];
15 char git_default_name
[MAX_GITNAME
];
16 int user_ident_explicitly_given
;
17 int trust_executable_bit
= 1;
20 int minimum_abbrev
= 4, default_abbrev
= 7;
23 int prefer_symlink_refs
;
24 int is_bare_repository_cfg
= -1; /* unspecified */
25 int log_all_ref_updates
= -1; /* unspecified */
26 int warn_ambiguous_refs
= 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 int zlib_compression_level
= Z_BEST_SPEED
;
34 int core_compression_level
;
35 int core_compression_seen
;
36 int fsync_object_files
;
37 size_t packed_git_window_size
= DEFAULT_PACKED_GIT_WINDOW_SIZE
;
38 size_t packed_git_limit
= DEFAULT_PACKED_GIT_LIMIT
;
39 size_t delta_base_cache_limit
= 16 * 1024 * 1024;
40 unsigned long big_file_threshold
= 512 * 1024 * 1024;
41 const char *log_pack_access
;
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_MATCHING
;
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 struct startup_info
*startup_info
;
65 /* Parallel index stat data preload? */
66 int core_preload_index
= 0;
68 /* This is set by setup_git_dir_gently() and/or git_default_config() */
69 char *git_work_tree_cfg
;
70 static char *work_tree
;
72 static const char *namespace;
73 static size_t namespace_len
;
75 static const char *git_dir
;
76 static char *git_object_dir
, *git_index_file
, *git_graft_file
;
79 * Repository-local GIT_* environment variables
80 * Remember to update local_repo_env_size in cache.h when
81 * the size of the list changes
83 const char * const local_repo_env
[LOCAL_REPO_ENV_SIZE
+ 1] = {
84 ALTERNATE_DB_ENVIRONMENT
,
86 CONFIG_DATA_ENVIRONMENT
,
89 GIT_WORK_TREE_ENVIRONMENT
,
92 NO_REPLACE_OBJECTS_ENVIRONMENT
,
96 static char *expand_namespace(const char *raw_namespace
)
98 struct strbuf buf
= STRBUF_INIT
;
99 struct strbuf
**components
, **c
;
101 if (!raw_namespace
|| !*raw_namespace
)
104 strbuf_addstr(&buf
, raw_namespace
);
105 components
= strbuf_split(&buf
, '/');
107 for (c
= components
; *c
; c
++)
108 if (strcmp((*c
)->buf
, "/") != 0)
109 strbuf_addf(&buf
, "refs/namespaces/%s", (*c
)->buf
);
110 strbuf_list_free(components
);
111 if (check_refname_format(buf
.buf
, 0))
112 die("bad git namespace path \"%s\"", raw_namespace
);
113 strbuf_addch(&buf
, '/');
114 return strbuf_detach(&buf
, NULL
);
117 static void setup_git_env(void)
119 git_dir
= getenv(GIT_DIR_ENVIRONMENT
);
120 git_dir
= git_dir
? xstrdup(git_dir
) : NULL
;
122 git_dir
= read_gitfile(DEFAULT_GIT_DIR_ENVIRONMENT
);
123 git_dir
= git_dir
? xstrdup(git_dir
) : NULL
;
126 git_dir
= DEFAULT_GIT_DIR_ENVIRONMENT
;
127 git_object_dir
= getenv(DB_ENVIRONMENT
);
128 if (!git_object_dir
) {
129 git_object_dir
= xmalloc(strlen(git_dir
) + 9);
130 sprintf(git_object_dir
, "%s/objects", git_dir
);
132 git_index_file
= getenv(INDEX_ENVIRONMENT
);
133 if (!git_index_file
) {
134 git_index_file
= xmalloc(strlen(git_dir
) + 7);
135 sprintf(git_index_file
, "%s/index", git_dir
);
137 git_graft_file
= getenv(GRAFT_ENVIRONMENT
);
139 git_graft_file
= git_pathdup("info/grafts");
140 if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT
))
141 read_replace_refs
= 0;
142 namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT
));
143 namespace_len
= strlen(namespace);
146 int is_bare_repository(void)
148 /* if core.bare is not 'false', let's see if there is a work tree */
149 return is_bare_repository_cfg
&& !get_git_work_tree();
152 int have_git_dir(void)
157 const char *get_git_dir(void)
164 const char *get_git_namespace(void)
171 const char *strip_namespace(const char *namespaced_ref
)
173 if (prefixcmp(namespaced_ref
, get_git_namespace()) != 0)
175 return namespaced_ref
+ namespace_len
;
178 static int git_work_tree_initialized
;
181 * Note. This works only before you used a work tree. This was added
182 * primarily to support git-clone to work in a new repository it just
183 * created, and is not meant to flip between different work trees.
185 void set_git_work_tree(const char *new_work_tree
)
187 if (git_work_tree_initialized
) {
188 new_work_tree
= real_path(new_work_tree
);
189 if (strcmp(new_work_tree
, work_tree
))
190 die("internal error: work tree has already been set\n"
191 "Current worktree: %s\nNew worktree: %s",
192 work_tree
, new_work_tree
);
195 git_work_tree_initialized
= 1;
196 work_tree
= xstrdup(real_path(new_work_tree
));
199 const char *get_git_work_tree(void)
204 char *get_object_directory(void)
208 return git_object_dir
;
211 int odb_mkstemp(char *template, size_t limit
, const char *pattern
)
215 * we let the umask do its job, don't try to be more
216 * restrictive except to remove write permission.
219 snprintf(template, limit
, "%s/%s",
220 get_object_directory(), pattern
);
221 fd
= git_mkstemp_mode(template, mode
);
226 /* some mkstemp implementations erase template on failure */
227 snprintf(template, limit
, "%s/%s",
228 get_object_directory(), pattern
);
229 safe_create_leading_directories(template);
230 return xmkstemp_mode(template, mode
);
233 int odb_pack_keep(char *name
, size_t namesz
, unsigned char *sha1
)
237 snprintf(name
, namesz
, "%s/pack/pack-%s.keep",
238 get_object_directory(), sha1_to_hex(sha1
));
239 fd
= open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
244 safe_create_leading_directories(name
);
245 return open(name
, O_RDWR
|O_CREAT
|O_EXCL
, 0600);
248 char *get_index_file(void)
252 return git_index_file
;
255 char *get_graft_file(void)
259 return git_graft_file
;
262 int set_git_dir(const char *path
)
264 if (setenv(GIT_DIR_ENVIRONMENT
, path
, 1))
265 return error("Could not set GIT_DIR to '%s'", path
);
270 const char *get_log_output_encoding(void)
272 return git_log_output_encoding
? git_log_output_encoding
273 : get_commit_output_encoding();
276 const char *get_commit_output_encoding(void)
278 return git_commit_encoding
? git_commit_encoding
: "UTF-8";