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Commit | Line | Data |
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e1b10391 LT |
1 | /* |
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. | |
5 | * | |
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 | |
8 | * are. | |
9 | */ | |
10 | #include "cache.h" | |
a1bea2c1 | 11 | #include "refs.h" |
273c7032 | 12 | #include "fmt-merge-msg.h" |
069c0532 | 13 | #include "commit.h" |
e1b10391 | 14 | |
e1b10391 | 15 | int trust_executable_bit = 1; |
1ce4790b | 16 | int trust_ctime = 1; |
c08e4d5b | 17 | int check_stat = 1; |
78a8d641 | 18 | int has_symlinks = 1; |
e6c587c7 | 19 | int minimum_abbrev = 4, default_abbrev = -1; |
0a9b88b7 | 20 | int ignore_case; |
96f1e58f DR |
21 | int assume_unchanged; |
22 | int prefer_symlink_refs; | |
7d1864ce | 23 | int is_bare_repository_cfg = -1; /* unspecified */ |
1b371f56 | 24 | int warn_ambiguous_refs = 1; |
25fba78d | 25 | int warn_on_object_refname_ambiguity = 1; |
49672f26 | 26 | int ref_paranoia = -1; |
067fbd41 | 27 | int repository_format_precious_objects; |
1a8f2741 | 28 | const char *git_commit_encoding; |
3a55602e | 29 | const char *git_log_output_encoding; |
96f1e58f | 30 | const char *apply_default_whitespace; |
86c91f91 | 31 | const char *apply_default_ignorewhitespace; |
64589a03 | 32 | const char *git_attributes_file; |
867ad08a | 33 | const char *git_hooks_path; |
960ccca6 DH |
34 | int zlib_compression_level = Z_BEST_SPEED; |
35 | int core_compression_level; | |
8de7eeb5 | 36 | int pack_compression_level = Z_DEFAULT_COMPRESSION; |
aafe9fba | 37 | int fsync_object_files; |
8c82534d SP |
38 | size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE; |
39 | size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT; | |
4874f544 | 40 | size_t delta_base_cache_limit = 96 * 1024 * 1024; |
15366280 | 41 | unsigned long big_file_threshold = 512 * 1024 * 1024; |
aa086eb8 | 42 | int pager_use_color = 1; |
ee9601e6 | 43 | const char *editor_program; |
d3e7da89 | 44 | const char *askpass_program; |
dfb068be | 45 | const char *excludes_file; |
fd6cce9e | 46 | enum auto_crlf auto_crlf = AUTO_CRLF_FALSE; |
afc711b8 | 47 | int check_replace_refs = 1; |
58d121b2 | 48 | char *git_replace_ref_base; |
ec70f52f | 49 | enum eol core_eol = EOL_UNSET; |
21e5ad50 | 50 | enum safe_crlf safe_crlf = SAFE_CRLF_WARN; |
cf1b7869 | 51 | unsigned whitespace_rule_cfg = WS_DEFAULT_RULE; |
9ed36cfa | 52 | enum branch_track git_branch_track = BRANCH_TRACK_REMOTE; |
c998ae9b | 53 | enum rebase_setup_type autorebase = AUTOREBASE_NEVER; |
f25950f3 | 54 | enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED; |
348df166 JS |
55 | #ifndef OBJECT_CREATION_MODE |
56 | #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS | |
be66a6c4 | 57 | #endif |
348df166 | 58 | enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE; |
a97a7468 | 59 | char *notes_ref_name; |
7f3140cd | 60 | int grafts_replace_parents = 1; |
08aefc9e | 61 | int core_apply_sparse_checkout; |
898eacd8 | 62 | int merge_log_config = -1; |
76759c7d | 63 | int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */ |
568508e7 | 64 | unsigned long pack_size_limit_cfg; |
f30afdab | 65 | enum hide_dotfiles_type hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; |
341fb286 | 66 | enum log_refs_config log_all_ref_updates = LOG_REFS_UNSET; |
e1b10391 | 67 | |
a42643aa JK |
68 | #ifndef PROTECT_HFS_DEFAULT |
69 | #define PROTECT_HFS_DEFAULT 0 | |
70 | #endif | |
71 | int protect_hfs = PROTECT_HFS_DEFAULT; | |
72 | ||
2b4c6efc JS |
73 | #ifndef PROTECT_NTFS_DEFAULT |
74 | #define PROTECT_NTFS_DEFAULT 0 | |
75 | #endif | |
76 | int protect_ntfs = PROTECT_NTFS_DEFAULT; | |
77 | ||
eff80a9f JH |
78 | /* |
79 | * The character that begins a commented line in user-editable file | |
80 | * that is subject to stripspace. | |
81 | */ | |
82 | char comment_line_char = '#'; | |
84c9dc2c | 83 | int auto_comment_line_char; |
eff80a9f | 84 | |
671c9b7e | 85 | /* Parallel index stat data preload? */ |
299e2987 | 86 | int core_preload_index = 1; |
671c9b7e | 87 | |
dae6c322 CC |
88 | /* |
89 | * This is a hack for test programs like test-dump-untracked-cache to | |
90 | * ensure that they do not modify the untracked cache when reading it. | |
91 | * Do not use it otherwise! | |
92 | */ | |
93 | int ignore_untracked_cache_config; | |
94 | ||
e90fdc39 JS |
95 | /* This is set by setup_git_dir_gently() and/or git_default_config() */ |
96 | char *git_work_tree_cfg; | |
19757d80 | 97 | static char *work_tree; |
e90fdc39 | 98 | |
a1bea2c1 JT |
99 | static const char *namespace; |
100 | static size_t namespace_len; | |
101 | ||
74866d75 BW |
102 | static const char *super_prefix; |
103 | ||
c7b3a3d2 | 104 | static const char *git_dir, *git_common_dir; |
7f7868ea | 105 | static char *git_object_dir, *git_index_file, *git_graft_file; |
c7b3a3d2 | 106 | int git_db_env, git_index_env, git_graft_env, git_common_dir_env; |
c5fba16c | 107 | |
48a7c1c4 | 108 | /* |
2163e5db | 109 | * Repository-local GIT_* environment variables; see cache.h for details. |
48a7c1c4 | 110 | */ |
2163e5db | 111 | const char * const local_repo_env[] = { |
48a7c1c4 GB |
112 | ALTERNATE_DB_ENVIRONMENT, |
113 | CONFIG_ENVIRONMENT, | |
655e8d9c | 114 | CONFIG_DATA_ENVIRONMENT, |
48a7c1c4 GB |
115 | DB_ENVIRONMENT, |
116 | GIT_DIR_ENVIRONMENT, | |
117 | GIT_WORK_TREE_ENVIRONMENT, | |
2cd83d10 | 118 | GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, |
48a7c1c4 GB |
119 | GRAFT_ENVIRONMENT, |
120 | INDEX_ENVIRONMENT, | |
121 | NO_REPLACE_OBJECTS_ENVIRONMENT, | |
58d121b2 | 122 | GIT_REPLACE_REF_BASE_ENVIRONMENT, |
a6f7f9a3 | 123 | GIT_PREFIX_ENVIRONMENT, |
74866d75 | 124 | GIT_SUPER_PREFIX_ENVIRONMENT, |
069c0532 | 125 | GIT_SHALLOW_FILE_ENVIRONMENT, |
c7b3a3d2 | 126 | GIT_COMMON_DIR_ENVIRONMENT, |
48a7c1c4 GB |
127 | NULL |
128 | }; | |
129 | ||
a1bea2c1 JT |
130 | static char *expand_namespace(const char *raw_namespace) |
131 | { | |
132 | struct strbuf buf = STRBUF_INIT; | |
133 | struct strbuf **components, **c; | |
134 | ||
135 | if (!raw_namespace || !*raw_namespace) | |
136 | return xstrdup(""); | |
137 | ||
138 | strbuf_addstr(&buf, raw_namespace); | |
139 | components = strbuf_split(&buf, '/'); | |
140 | strbuf_reset(&buf); | |
141 | for (c = components; *c; c++) | |
142 | if (strcmp((*c)->buf, "/") != 0) | |
143 | strbuf_addf(&buf, "refs/namespaces/%s", (*c)->buf); | |
144 | strbuf_list_free(components); | |
8d9c5010 | 145 | if (check_refname_format(buf.buf, 0)) |
a1bea2c1 JT |
146 | die("bad git namespace path \"%s\"", raw_namespace); |
147 | strbuf_addch(&buf, '/'); | |
148 | return strbuf_detach(&buf, NULL); | |
149 | } | |
150 | ||
c7b3a3d2 NTND |
151 | static char *git_path_from_env(const char *envvar, const char *git_dir, |
152 | const char *path, int *fromenv) | |
cb6c38d5 JK |
153 | { |
154 | const char *value = getenv(envvar); | |
75faa45a JK |
155 | if (!value) |
156 | return xstrfmt("%s/%s", git_dir, path); | |
557bd833 NTND |
157 | if (fromenv) |
158 | *fromenv = 1; | |
159 | return xstrdup(value); | |
cb6c38d5 JK |
160 | } |
161 | ||
e1b10391 LT |
162 | static void setup_git_env(void) |
163 | { | |
31e26ebc | 164 | struct strbuf sb = STRBUF_INIT; |
487a2b73 | 165 | const char *gitfile; |
069c0532 | 166 | const char *shallow_file; |
58d121b2 | 167 | const char *replace_ref_base; |
487a2b73 | 168 | |
e1b10391 LT |
169 | git_dir = getenv(GIT_DIR_ENVIRONMENT); |
170 | if (!git_dir) | |
171 | git_dir = DEFAULT_GIT_DIR_ENVIRONMENT; | |
487a2b73 NTND |
172 | gitfile = read_gitfile(git_dir); |
173 | git_dir = xstrdup(gitfile ? gitfile : git_dir); | |
31e26ebc | 174 | if (get_common_dir(&sb, git_dir)) |
c7b3a3d2 | 175 | git_common_dir_env = 1; |
31e26ebc | 176 | git_common_dir = strbuf_detach(&sb, NULL); |
c7b3a3d2 NTND |
177 | git_object_dir = git_path_from_env(DB_ENVIRONMENT, git_common_dir, |
178 | "objects", &git_db_env); | |
179 | git_index_file = git_path_from_env(INDEX_ENVIRONMENT, git_dir, | |
180 | "index", &git_index_env); | |
181 | git_graft_file = git_path_from_env(GRAFT_ENVIRONMENT, git_common_dir, | |
182 | "info/grafts", &git_graft_env); | |
6476b38b | 183 | if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT)) |
afc711b8 | 184 | check_replace_refs = 0; |
58d121b2 MH |
185 | replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT); |
186 | git_replace_ref_base = xstrdup(replace_ref_base ? replace_ref_base | |
187 | : "refs/replace/"); | |
a1bea2c1 JT |
188 | namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT)); |
189 | namespace_len = strlen(namespace); | |
069c0532 NTND |
190 | shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT); |
191 | if (shallow_file) | |
192 | set_alternate_shallow_file(shallow_file, 0); | |
0bee5918 SP |
193 | } |
194 | ||
7d1864ce | 195 | int is_bare_repository(void) |
0bee5918 | 196 | { |
e90fdc39 JS |
197 | /* if core.bare is not 'false', let's see if there is a work tree */ |
198 | return is_bare_repository_cfg && !get_git_work_tree(); | |
e1b10391 LT |
199 | } |
200 | ||
b9605bc4 JK |
201 | int have_git_dir(void) |
202 | { | |
203 | return startup_info->have_repository | |
204 | || git_dir | |
205 | || getenv(GIT_DIR_ENVIRONMENT); | |
206 | } | |
207 | ||
c5fba16c | 208 | const char *get_git_dir(void) |
e1b10391 LT |
209 | { |
210 | if (!git_dir) | |
211 | setup_git_env(); | |
212 | return git_dir; | |
213 | } | |
214 | ||
c7b3a3d2 NTND |
215 | const char *get_git_common_dir(void) |
216 | { | |
217 | return git_common_dir; | |
218 | } | |
219 | ||
a1bea2c1 JT |
220 | const char *get_git_namespace(void) |
221 | { | |
222 | if (!namespace) | |
223 | setup_git_env(); | |
224 | return namespace; | |
225 | } | |
226 | ||
227 | const char *strip_namespace(const char *namespaced_ref) | |
228 | { | |
59556548 | 229 | if (!starts_with(namespaced_ref, get_git_namespace())) |
a1bea2c1 JT |
230 | return NULL; |
231 | return namespaced_ref + namespace_len; | |
232 | } | |
233 | ||
74866d75 BW |
234 | const char *get_super_prefix(void) |
235 | { | |
236 | static int initialized; | |
237 | if (!initialized) { | |
238 | super_prefix = getenv(GIT_SUPER_PREFIX_ENVIRONMENT); | |
239 | initialized = 1; | |
240 | } | |
241 | return super_prefix; | |
242 | } | |
243 | ||
19757d80 DB |
244 | static int git_work_tree_initialized; |
245 | ||
246 | /* | |
247 | * Note. This works only before you used a work tree. This was added | |
248 | * primarily to support git-clone to work in a new repository it just | |
249 | * created, and is not meant to flip between different work trees. | |
250 | */ | |
251 | void set_git_work_tree(const char *new_work_tree) | |
252 | { | |
83518360 | 253 | if (git_work_tree_initialized) { |
e2a57aac | 254 | new_work_tree = real_path(new_work_tree); |
83518360 NTND |
255 | if (strcmp(new_work_tree, work_tree)) |
256 | die("internal error: work tree has already been set\n" | |
257 | "Current worktree: %s\nNew worktree: %s", | |
258 | work_tree, new_work_tree); | |
259 | return; | |
260 | } | |
19757d80 | 261 | git_work_tree_initialized = 1; |
4ac9006f | 262 | work_tree = real_pathdup(new_work_tree); |
19757d80 DB |
263 | } |
264 | ||
e90fdc39 JS |
265 | const char *get_git_work_tree(void) |
266 | { | |
e90fdc39 JS |
267 | return work_tree; |
268 | } | |
269 | ||
e1b10391 LT |
270 | char *get_object_directory(void) |
271 | { | |
272 | if (!git_object_dir) | |
273 | setup_git_env(); | |
274 | return git_object_dir; | |
275 | } | |
276 | ||
463db9b1 JN |
277 | int odb_mkstemp(char *template, size_t limit, const char *pattern) |
278 | { | |
279 | int fd; | |
280 | /* | |
281 | * we let the umask do its job, don't try to be more | |
282 | * restrictive except to remove write permission. | |
283 | */ | |
284 | int mode = 0444; | |
285 | snprintf(template, limit, "%s/%s", | |
286 | get_object_directory(), pattern); | |
287 | fd = git_mkstemp_mode(template, mode); | |
288 | if (0 <= fd) | |
289 | return fd; | |
290 | ||
291 | /* slow path */ | |
292 | /* some mkstemp implementations erase template on failure */ | |
293 | snprintf(template, limit, "%s/%s", | |
294 | get_object_directory(), pattern); | |
295 | safe_create_leading_directories(template); | |
296 | return xmkstemp_mode(template, mode); | |
297 | } | |
298 | ||
8640d496 | 299 | int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1) |
463db9b1 JN |
300 | { |
301 | int fd; | |
302 | ||
303 | snprintf(name, namesz, "%s/pack/pack-%s.keep", | |
304 | get_object_directory(), sha1_to_hex(sha1)); | |
305 | fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600); | |
306 | if (0 <= fd) | |
307 | return fd; | |
308 | ||
309 | /* slow path */ | |
310 | safe_create_leading_directories(name); | |
311 | return open(name, O_RDWR|O_CREAT|O_EXCL, 0600); | |
312 | } | |
313 | ||
e1b10391 LT |
314 | char *get_index_file(void) |
315 | { | |
316 | if (!git_index_file) | |
317 | setup_git_env(); | |
318 | return git_index_file; | |
319 | } | |
320 | ||
321 | char *get_graft_file(void) | |
322 | { | |
323 | if (!git_graft_file) | |
324 | setup_git_env(); | |
325 | return git_graft_file; | |
326 | } | |
d7ac12b2 JS |
327 | |
328 | int set_git_dir(const char *path) | |
329 | { | |
330 | if (setenv(GIT_DIR_ENVIRONMENT, path, 1)) | |
331 | return error("Could not set GIT_DIR to '%s'", path); | |
332 | setup_git_env(); | |
333 | return 0; | |
334 | } | |
a6fa5992 PN |
335 | |
336 | const char *get_log_output_encoding(void) | |
337 | { | |
338 | return git_log_output_encoding ? git_log_output_encoding | |
339 | : get_commit_output_encoding(); | |
340 | } | |
341 | ||
342 | const char *get_commit_output_encoding(void) | |
343 | { | |
344 | return git_commit_encoding ? git_commit_encoding : "UTF-8"; | |
345 | } | |
7875acb6 JK |
346 | |
347 | static int the_shared_repository = PERM_UMASK; | |
ae5f6776 | 348 | static int need_shared_repository_from_config = 1; |
7875acb6 JK |
349 | |
350 | void set_shared_repository(int value) | |
351 | { | |
352 | the_shared_repository = value; | |
ae5f6776 | 353 | need_shared_repository_from_config = 0; |
7875acb6 JK |
354 | } |
355 | ||
356 | int get_shared_repository(void) | |
357 | { | |
ae5f6776 JK |
358 | if (need_shared_repository_from_config) { |
359 | const char *var = "core.sharedrepository"; | |
360 | const char *value; | |
361 | if (!git_config_get_value(var, &value)) | |
362 | the_shared_repository = git_config_perm(var, value); | |
363 | need_shared_repository_from_config = 0; | |
364 | } | |
7875acb6 JK |
365 | return the_shared_repository; |
366 | } | |
4543926b JK |
367 | |
368 | void reset_shared_repository(void) | |
369 | { | |
370 | need_shared_repository_from_config = 1; | |
371 | } |