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
11 #include "repository.h"
14 #include "fmt-merge-msg.h"
17 int trust_executable_bit = 1;
21 int minimum_abbrev = 4, default_abbrev = -1;
24 int prefer_symlink_refs;
25 int is_bare_repository_cfg = -1; /* unspecified */
26 int warn_ambiguous_refs = 1;
27 int warn_on_object_refname_ambiguity = 1;
28 int ref_paranoia = -1;
29 int repository_format_precious_objects;
30 char *repository_format_partial_clone;
31 const char *git_commit_encoding;
32 const char *git_log_output_encoding;
33 const char *apply_default_whitespace;
34 const char *apply_default_ignorewhitespace;
35 const char *git_attributes_file;
36 const char *git_hooks_path;
37 int zlib_compression_level = Z_BEST_SPEED;
38 int core_compression_level;
39 int pack_compression_level = Z_DEFAULT_COMPRESSION;
40 int fsync_object_files;
41 size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
42 size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
43 size_t delta_base_cache_limit = 96 * 1024 * 1024;
44 unsigned long big_file_threshold = 512 * 1024 * 1024;
45 int pager_use_color = 1;
46 const char *editor_program;
47 const char *askpass_program;
48 const char *excludes_file;
49 enum auto_crlf auto_crlf = AUTO_CRLF_FALSE;
50 int check_replace_refs = 1;
51 char *git_replace_ref_base;
52 enum eol core_eol = EOL_UNSET;
53 enum safe_crlf safe_crlf = SAFE_CRLF_WARN;
54 unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
55 enum branch_track git_branch_track = BRANCH_TRACK_REMOTE;
56 enum rebase_setup_type autorebase = AUTOREBASE_NEVER;
57 enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED;
58 #ifndef OBJECT_CREATION_MODE
59 #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
61 enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE;
63 int grafts_replace_parents = 1;
64 int core_apply_sparse_checkout;
65 int merge_log_config = -1;
66 int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */
67 unsigned long pack_size_limit_cfg;
68 enum hide_dotfiles_type hide_dotfiles = HIDE_DOTFILES_DOTGITONLY;
69 enum log_refs_config log_all_ref_updates = LOG_REFS_UNSET;
71 #ifndef PROTECT_HFS_DEFAULT
72 #define PROTECT_HFS_DEFAULT 0
74 int protect_hfs = PROTECT_HFS_DEFAULT;
76 #ifndef PROTECT_NTFS_DEFAULT
77 #define PROTECT_NTFS_DEFAULT 0
79 int protect_ntfs = PROTECT_NTFS_DEFAULT;
80 const char *core_fsmonitor;
83 * The character that begins a commented line in user-editable file
84 * that is subject to stripspace.
86 char comment_line_char = '#';
87 int auto_comment_line_char;
89 /* Parallel index stat data preload? */
90 int core_preload_index = 1;
93 * This is a hack for test programs like test-dump-untracked-cache to
94 * ensure that they do not modify the untracked cache when reading it.
95 * Do not use it otherwise!
97 int ignore_untracked_cache_config;
99 /* This is set by setup_git_dir_gently() and/or git_default_config() */
100 char *git_work_tree_cfg;
102 static char *namespace;
104 static const char *super_prefix;
107 * Repository-local GIT_* environment variables; see cache.h for details.
109 const char * const local_repo_env[] = {
110 ALTERNATE_DB_ENVIRONMENT,
112 CONFIG_DATA_ENVIRONMENT,
115 GIT_WORK_TREE_ENVIRONMENT,
116 GIT_IMPLICIT_WORK_TREE_ENVIRONMENT,
119 NO_REPLACE_OBJECTS_ENVIRONMENT,
120 GIT_REPLACE_REF_BASE_ENVIRONMENT,
121 GIT_PREFIX_ENVIRONMENT,
122 GIT_SUPER_PREFIX_ENVIRONMENT,
123 GIT_SHALLOW_FILE_ENVIRONMENT,
124 GIT_COMMON_DIR_ENVIRONMENT,
128 static char *expand_namespace(const char *raw_namespace)
130 struct strbuf buf = STRBUF_INIT;
131 struct strbuf **components, **c;
133 if (!raw_namespace || !*raw_namespace)
136 strbuf_addstr(&buf, raw_namespace);
137 components = strbuf_split(&buf, '/');
139 for (c = components; *c; c++)
140 if (strcmp((*c)->buf, "/") != 0)
141 strbuf_addf(&buf, "refs/namespaces/%s", (*c)->buf);
142 strbuf_list_free(components);
143 if (check_refname_format(buf.buf, 0))
144 die("bad git namespace path \"%s\"", raw_namespace);
145 strbuf_addch(&buf, '/');
146 return strbuf_detach(&buf, NULL);
149 void setup_git_env(void)
151 const char *shallow_file;
152 const char *replace_ref_base;
154 if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
155 check_replace_refs = 0;
156 replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT);
157 free(git_replace_ref_base);
158 git_replace_ref_base = xstrdup(replace_ref_base ? replace_ref_base
161 namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT));
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 int have_git_dir(void)
175 return startup_info->have_repository
176 || the_repository->gitdir;
179 const char *get_git_dir(void)
181 if (!the_repository->gitdir)
182 BUG("git environment hasn't been setup");
183 return the_repository->gitdir;
186 const char *get_git_common_dir(void)
188 if (!the_repository->commondir)
189 BUG("git environment hasn't been setup");
190 return the_repository->commondir;
193 const char *get_git_namespace(void)
196 BUG("git environment hasn't been setup");
200 const char *strip_namespace(const char *namespaced_ref)
203 if (skip_prefix(namespaced_ref, get_git_namespace(), &out))
208 const char *get_super_prefix(void)
210 static int initialized;
212 super_prefix = getenv(GIT_SUPER_PREFIX_ENVIRONMENT);
218 static int git_work_tree_initialized;
221 * Note. This works only before you used a work tree. This was added
222 * primarily to support git-clone to work in a new repository it just
223 * created, and is not meant to flip between different work trees.
225 void set_git_work_tree(const char *new_work_tree)
227 if (git_work_tree_initialized) {
228 new_work_tree = real_path(new_work_tree);
229 if (strcmp(new_work_tree, the_repository->worktree))
230 die("internal error: work tree has already been set\n"
231 "Current worktree: %s\nNew worktree: %s",
232 the_repository->worktree, new_work_tree);
235 git_work_tree_initialized = 1;
236 repo_set_worktree(the_repository, new_work_tree);
239 const char *get_git_work_tree(void)
241 return the_repository->worktree;
244 char *get_object_directory(void)
246 if (!the_repository->objectdir)
247 BUG("git environment hasn't been setup");
248 return the_repository->objectdir;
251 int odb_mkstemp(struct strbuf *template, const char *pattern)
255 * we let the umask do its job, don't try to be more
256 * restrictive except to remove write permission.
259 git_path_buf(template, "objects/%s", pattern);
260 fd = git_mkstemp_mode(template->buf, mode);
265 /* some mkstemp implementations erase template on failure */
266 git_path_buf(template, "objects/%s", pattern);
267 safe_create_leading_directories(template->buf);
268 return xmkstemp_mode(template->buf, mode);
271 int odb_pack_keep(const char *name)
275 fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
280 safe_create_leading_directories_const(name);
281 return open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
284 char *get_index_file(void)
286 if (!the_repository->index_file)
287 BUG("git environment hasn't been setup");
288 return the_repository->index_file;
291 char *get_graft_file(void)
293 if (!the_repository->graft_file)
294 BUG("git environment hasn't been setup");
295 return the_repository->graft_file;
298 int set_git_dir(const char *path)
300 if (setenv(GIT_DIR_ENVIRONMENT, path, 1))
301 return error("Could not set GIT_DIR to '%s'", path);
302 repo_set_gitdir(the_repository, path);
307 const char *get_log_output_encoding(void)
309 return git_log_output_encoding ? git_log_output_encoding
310 : get_commit_output_encoding();
313 const char *get_commit_output_encoding(void)
315 return git_commit_encoding ? git_commit_encoding : "UTF-8";
318 static int the_shared_repository = PERM_UMASK;
319 static int need_shared_repository_from_config = 1;
321 void set_shared_repository(int value)
323 the_shared_repository = value;
324 need_shared_repository_from_config = 0;
327 int get_shared_repository(void)
329 if (need_shared_repository_from_config) {
330 const char *var = "core.sharedrepository";
332 if (!git_config_get_value(var, &value))
333 the_shared_repository = git_config_perm(var, value);
334 need_shared_repository_from_config = 0;
336 return the_shared_repository;
339 void reset_shared_repository(void)
341 need_shared_repository_from_config = 1;
344 int use_optional_locks(void)
346 return git_env_bool(GIT_OPTIONAL_LOCKS_ENVIRONMENT, 1);
349 int print_sha1_ellipsis(void)
352 * Determine if the calling environment contains the variable
353 * GIT_PRINT_SHA1_ELLIPSIS set to "yes".
355 static int cached_result = -1; /* unknown */
357 if (cached_result < 0) {
358 const char *v = getenv("GIT_PRINT_SHA1_ELLIPSIS");
359 cached_result = (v && !strcasecmp(v, "yes"));
361 return cached_result;