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 = 96 * 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 check_replace_refs = 1;
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 enum fetch_default_type fetch_default = FETCH_DEFAULT_UNSPECIFIED;
56 #ifndef OBJECT_CREATION_MODE
57 #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
59 enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE;
61 int grafts_replace_parents = 1;
62 int core_apply_sparse_checkout;
63 int merge_log_config = -1;
64 int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */
65 struct startup_info *startup_info;
66 unsigned long pack_size_limit_cfg;
68 #ifndef PROTECT_HFS_DEFAULT
69 #define PROTECT_HFS_DEFAULT 0
71 int protect_hfs = PROTECT_HFS_DEFAULT;
73 #ifndef PROTECT_NTFS_DEFAULT
74 #define PROTECT_NTFS_DEFAULT 0
76 int protect_ntfs = PROTECT_NTFS_DEFAULT;
77 enum git_mode git_mode = MODE_CURRENT;
80 * The character that begins a commented line in user-editable file
81 * that is subject to stripspace.
83 char comment_line_char = '#';
84 int auto_comment_line_char;
86 /* Parallel index stat data preload? */
87 int core_preload_index = 1;
89 /* This is set by setup_git_dir_gently() and/or git_default_config() */
90 char *git_work_tree_cfg;
91 static char *work_tree;
93 static const char *namespace;
94 static size_t namespace_len;
96 static const char *git_dir;
97 static char *git_object_dir, *git_index_file, *git_graft_file;
100 * Repository-local GIT_* environment variables; see cache.h for details.
102 const char * const local_repo_env[] = {
103 ALTERNATE_DB_ENVIRONMENT,
105 CONFIG_DATA_ENVIRONMENT,
108 GIT_WORK_TREE_ENVIRONMENT,
109 GIT_IMPLICIT_WORK_TREE_ENVIRONMENT,
112 NO_REPLACE_OBJECTS_ENVIRONMENT,
113 GIT_PREFIX_ENVIRONMENT,
114 GIT_SHALLOW_FILE_ENVIRONMENT,
118 static char *expand_namespace(const char *raw_namespace)
120 struct strbuf buf = STRBUF_INIT;
121 struct strbuf **components, **c;
123 if (!raw_namespace || !*raw_namespace)
126 strbuf_addstr(&buf, raw_namespace);
127 components = strbuf_split(&buf, '/');
129 for (c = components; *c; c++)
130 if (strcmp((*c)->buf, "/") != 0)
131 strbuf_addf(&buf, "refs/namespaces/%s", (*c)->buf);
132 strbuf_list_free(components);
133 if (check_refname_format(buf.buf, 0))
134 die("bad git namespace path \"%s\"", raw_namespace);
135 strbuf_addch(&buf, '/');
136 return strbuf_detach(&buf, NULL);
139 static char *git_path_from_env(const char *envvar, const char *path)
141 const char *value = getenv(envvar);
142 return value ? xstrdup(value) : git_pathdup("%s", path);
145 static void setup_git_env(void)
148 const char *shallow_file;
150 git_dir = getenv(GIT_DIR_ENVIRONMENT);
152 git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
153 gitfile = read_gitfile(git_dir);
154 git_dir = xstrdup(gitfile ? gitfile : git_dir);
155 git_object_dir = git_path_from_env(DB_ENVIRONMENT, "objects");
156 git_index_file = git_path_from_env(INDEX_ENVIRONMENT, "index");
157 git_graft_file = git_path_from_env(GRAFT_ENVIRONMENT, "info/grafts");
158 if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
159 check_replace_refs = 0;
160 namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT));
161 namespace_len = strlen(namespace);
162 shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT);
164 set_alternate_shallow_file(shallow_file, 0);
167 int is_bare_repository(void)
169 /* if core.bare is not 'false', let's see if there is a work tree */
170 return is_bare_repository_cfg && !get_git_work_tree();
173 const char *get_git_dir(void)
180 const char *get_git_namespace(void)
187 const char *strip_namespace(const char *namespaced_ref)
189 if (!starts_with(namespaced_ref, get_git_namespace()))
191 return namespaced_ref + namespace_len;
194 static int git_work_tree_initialized;
197 * Note. This works only before you used a work tree. This was added
198 * primarily to support git-clone to work in a new repository it just
199 * created, and is not meant to flip between different work trees.
201 void set_git_work_tree(const char *new_work_tree)
203 if (git_work_tree_initialized) {
204 new_work_tree = real_path(new_work_tree);
205 if (strcmp(new_work_tree, work_tree))
206 die("internal error: work tree has already been set\n"
207 "Current worktree: %s\nNew worktree: %s",
208 work_tree, new_work_tree);
211 git_work_tree_initialized = 1;
212 work_tree = xstrdup(real_path(new_work_tree));
215 const char *get_git_work_tree(void)
220 char *get_object_directory(void)
224 return git_object_dir;
227 int odb_mkstemp(char *template, size_t limit, const char *pattern)
231 * we let the umask do its job, don't try to be more
232 * restrictive except to remove write permission.
235 snprintf(template, limit, "%s/%s",
236 get_object_directory(), pattern);
237 fd = git_mkstemp_mode(template, mode);
242 /* some mkstemp implementations erase template on failure */
243 snprintf(template, limit, "%s/%s",
244 get_object_directory(), pattern);
245 safe_create_leading_directories(template);
246 return xmkstemp_mode(template, mode);
249 int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1)
253 snprintf(name, namesz, "%s/pack/pack-%s.keep",
254 get_object_directory(), sha1_to_hex(sha1));
255 fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
260 safe_create_leading_directories(name);
261 return open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
264 char *get_index_file(void)
268 return git_index_file;
271 char *get_graft_file(void)
275 return git_graft_file;
278 int set_git_dir(const char *path)
280 if (setenv(GIT_DIR_ENVIRONMENT, path, 1))
281 return error("Could not set GIT_DIR to '%s'", path);
286 const char *get_log_output_encoding(void)
288 return git_log_output_encoding ? git_log_output_encoding
289 : get_commit_output_encoding();
292 const char *get_commit_output_encoding(void)
294 return git_commit_encoding ? git_commit_encoding : "UTF-8";