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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" | |
c14c234f | 11 | #include "repository.h" |
b2141fc1 | 12 | #include "config.h" |
a1bea2c1 | 13 | #include "refs.h" |
273c7032 | 14 | #include "fmt-merge-msg.h" |
069c0532 | 15 | #include "commit.h" |
357a03eb | 16 | #include "argv-array.h" |
e1b10391 | 17 | |
e1b10391 | 18 | int trust_executable_bit = 1; |
1ce4790b | 19 | int trust_ctime = 1; |
c08e4d5b | 20 | int check_stat = 1; |
78a8d641 | 21 | int has_symlinks = 1; |
e6c587c7 | 22 | int minimum_abbrev = 4, default_abbrev = -1; |
0a9b88b7 | 23 | int ignore_case; |
96f1e58f DR |
24 | int assume_unchanged; |
25 | int prefer_symlink_refs; | |
7d1864ce | 26 | int is_bare_repository_cfg = -1; /* unspecified */ |
1b371f56 | 27 | int warn_ambiguous_refs = 1; |
25fba78d | 28 | int warn_on_object_refname_ambiguity = 1; |
49672f26 | 29 | int ref_paranoia = -1; |
067fbd41 | 30 | int repository_format_precious_objects; |
75b97fec | 31 | char *repository_format_partial_clone; |
1e1e39b3 | 32 | const char *core_partial_clone_filter_default; |
1a8f2741 | 33 | const char *git_commit_encoding; |
3a55602e | 34 | const char *git_log_output_encoding; |
96f1e58f | 35 | const char *apply_default_whitespace; |
86c91f91 | 36 | const char *apply_default_ignorewhitespace; |
64589a03 | 37 | const char *git_attributes_file; |
867ad08a | 38 | const char *git_hooks_path; |
960ccca6 DH |
39 | int zlib_compression_level = Z_BEST_SPEED; |
40 | int core_compression_level; | |
8de7eeb5 | 41 | int pack_compression_level = Z_DEFAULT_COMPRESSION; |
aafe9fba | 42 | int fsync_object_files; |
8c82534d SP |
43 | size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE; |
44 | size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT; | |
4874f544 | 45 | size_t delta_base_cache_limit = 96 * 1024 * 1024; |
15366280 | 46 | unsigned long big_file_threshold = 512 * 1024 * 1024; |
aa086eb8 | 47 | int pager_use_color = 1; |
ee9601e6 | 48 | const char *editor_program; |
d3e7da89 | 49 | const char *askpass_program; |
dfb068be | 50 | const char *excludes_file; |
fd6cce9e | 51 | enum auto_crlf auto_crlf = AUTO_CRLF_FALSE; |
afc711b8 | 52 | int check_replace_refs = 1; |
58d121b2 | 53 | char *git_replace_ref_base; |
ec70f52f | 54 | enum eol core_eol = EOL_UNSET; |
8462ff43 | 55 | int global_conv_flags_eol = CONV_EOL_RNDTRP_WARN; |
cf1b7869 | 56 | unsigned whitespace_rule_cfg = WS_DEFAULT_RULE; |
9ed36cfa | 57 | enum branch_track git_branch_track = BRANCH_TRACK_REMOTE; |
c998ae9b | 58 | enum rebase_setup_type autorebase = AUTOREBASE_NEVER; |
f25950f3 | 59 | enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED; |
348df166 JS |
60 | #ifndef OBJECT_CREATION_MODE |
61 | #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS | |
be66a6c4 | 62 | #endif |
348df166 | 63 | enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE; |
a97a7468 | 64 | char *notes_ref_name; |
7f3140cd | 65 | int grafts_replace_parents = 1; |
08aefc9e | 66 | int core_apply_sparse_checkout; |
898eacd8 | 67 | int merge_log_config = -1; |
76759c7d | 68 | int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */ |
568508e7 | 69 | unsigned long pack_size_limit_cfg; |
f30afdab | 70 | enum hide_dotfiles_type hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; |
341fb286 | 71 | enum log_refs_config log_all_ref_updates = LOG_REFS_UNSET; |
e1b10391 | 72 | |
a42643aa JK |
73 | #ifndef PROTECT_HFS_DEFAULT |
74 | #define PROTECT_HFS_DEFAULT 0 | |
75 | #endif | |
76 | int protect_hfs = PROTECT_HFS_DEFAULT; | |
77 | ||
2b4c6efc JS |
78 | #ifndef PROTECT_NTFS_DEFAULT |
79 | #define PROTECT_NTFS_DEFAULT 0 | |
80 | #endif | |
81 | int protect_ntfs = PROTECT_NTFS_DEFAULT; | |
883e248b | 82 | const char *core_fsmonitor; |
2b4c6efc | 83 | |
eff80a9f JH |
84 | /* |
85 | * The character that begins a commented line in user-editable file | |
86 | * that is subject to stripspace. | |
87 | */ | |
88 | char comment_line_char = '#'; | |
84c9dc2c | 89 | int auto_comment_line_char; |
eff80a9f | 90 | |
671c9b7e | 91 | /* Parallel index stat data preload? */ |
299e2987 | 92 | int core_preload_index = 1; |
671c9b7e | 93 | |
dae6c322 CC |
94 | /* |
95 | * This is a hack for test programs like test-dump-untracked-cache to | |
96 | * ensure that they do not modify the untracked cache when reading it. | |
97 | * Do not use it otherwise! | |
98 | */ | |
99 | int ignore_untracked_cache_config; | |
100 | ||
e90fdc39 JS |
101 | /* This is set by setup_git_dir_gently() and/or git_default_config() */ |
102 | char *git_work_tree_cfg; | |
e90fdc39 | 103 | |
f9b7573f | 104 | static char *namespace; |
a1bea2c1 | 105 | |
74866d75 BW |
106 | static const char *super_prefix; |
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 | ||
357a03eb NTND |
151 | /* |
152 | * Wrapper of getenv() that returns a strdup value. This value is kept | |
153 | * in argv to be freed later. | |
154 | */ | |
155 | static const char *getenv_safe(struct argv_array *argv, const char *name) | |
156 | { | |
157 | const char *value = getenv(name); | |
158 | ||
159 | if (!value) | |
160 | return NULL; | |
161 | ||
162 | argv_array_push(argv, value); | |
163 | return argv->argv[argv->argc - 1]; | |
164 | } | |
165 | ||
166 | void setup_git_env(const char *git_dir) | |
e1b10391 | 167 | { |
069c0532 | 168 | const char *shallow_file; |
58d121b2 | 169 | const char *replace_ref_base; |
357a03eb NTND |
170 | struct set_gitdir_args args = { NULL }; |
171 | struct argv_array to_free = ARGV_ARRAY_INIT; | |
172 | ||
173 | args.commondir = getenv_safe(&to_free, GIT_COMMON_DIR_ENVIRONMENT); | |
174 | args.object_dir = getenv_safe(&to_free, DB_ENVIRONMENT); | |
175 | args.graft_file = getenv_safe(&to_free, GRAFT_ENVIRONMENT); | |
176 | args.index_file = getenv_safe(&to_free, INDEX_ENVIRONMENT); | |
7bc0dcaa | 177 | args.alternate_db = getenv_safe(&to_free, ALTERNATE_DB_ENVIRONMENT); |
357a03eb NTND |
178 | repo_set_gitdir(the_repository, git_dir, &args); |
179 | argv_array_clear(&to_free); | |
487a2b73 | 180 | |
6476b38b | 181 | if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT)) |
afc711b8 | 182 | check_replace_refs = 0; |
58d121b2 | 183 | replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT); |
f9b7573f | 184 | free(git_replace_ref_base); |
58d121b2 MH |
185 | git_replace_ref_base = xstrdup(replace_ref_base ? replace_ref_base |
186 | : "refs/replace/"); | |
f9b7573f | 187 | free(namespace); |
a1bea2c1 | 188 | namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT)); |
069c0532 NTND |
189 | shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT); |
190 | if (shallow_file) | |
191 | set_alternate_shallow_file(shallow_file, 0); | |
0bee5918 SP |
192 | } |
193 | ||
7d1864ce | 194 | int is_bare_repository(void) |
0bee5918 | 195 | { |
e90fdc39 JS |
196 | /* if core.bare is not 'false', let's see if there is a work tree */ |
197 | return is_bare_repository_cfg && !get_git_work_tree(); | |
e1b10391 LT |
198 | } |
199 | ||
b9605bc4 JK |
200 | int have_git_dir(void) |
201 | { | |
202 | return startup_info->have_repository | |
c14c234f | 203 | || the_repository->gitdir; |
b9605bc4 JK |
204 | } |
205 | ||
c5fba16c | 206 | const char *get_git_dir(void) |
e1b10391 | 207 | { |
c14c234f | 208 | if (!the_repository->gitdir) |
73f192c9 | 209 | BUG("git environment hasn't been setup"); |
c14c234f | 210 | return the_repository->gitdir; |
e1b10391 LT |
211 | } |
212 | ||
c7b3a3d2 NTND |
213 | const char *get_git_common_dir(void) |
214 | { | |
c14c234f | 215 | if (!the_repository->commondir) |
73f192c9 | 216 | BUG("git environment hasn't been setup"); |
c14c234f | 217 | return the_repository->commondir; |
c7b3a3d2 NTND |
218 | } |
219 | ||
a1bea2c1 JT |
220 | const char *get_git_namespace(void) |
221 | { | |
222 | if (!namespace) | |
73f192c9 | 223 | BUG("git environment hasn't been setup"); |
a1bea2c1 JT |
224 | return namespace; |
225 | } | |
226 | ||
227 | const char *strip_namespace(const char *namespaced_ref) | |
228 | { | |
bf08c8cf BW |
229 | const char *out; |
230 | if (skip_prefix(namespaced_ref, get_git_namespace(), &out)) | |
231 | return out; | |
232 | return NULL; | |
a1bea2c1 JT |
233 | } |
234 | ||
74866d75 BW |
235 | const char *get_super_prefix(void) |
236 | { | |
237 | static int initialized; | |
238 | if (!initialized) { | |
239 | super_prefix = getenv(GIT_SUPER_PREFIX_ENVIRONMENT); | |
240 | initialized = 1; | |
241 | } | |
242 | return super_prefix; | |
243 | } | |
244 | ||
19757d80 DB |
245 | static int git_work_tree_initialized; |
246 | ||
247 | /* | |
248 | * Note. This works only before you used a work tree. This was added | |
249 | * primarily to support git-clone to work in a new repository it just | |
250 | * created, and is not meant to flip between different work trees. | |
251 | */ | |
252 | void set_git_work_tree(const char *new_work_tree) | |
253 | { | |
83518360 | 254 | if (git_work_tree_initialized) { |
e2a57aac | 255 | new_work_tree = real_path(new_work_tree); |
b4158732 | 256 | if (strcmp(new_work_tree, the_repository->worktree)) |
83518360 NTND |
257 | die("internal error: work tree has already been set\n" |
258 | "Current worktree: %s\nNew worktree: %s", | |
b4158732 | 259 | the_repository->worktree, new_work_tree); |
83518360 NTND |
260 | return; |
261 | } | |
19757d80 | 262 | git_work_tree_initialized = 1; |
b4158732 | 263 | repo_set_worktree(the_repository, new_work_tree); |
19757d80 DB |
264 | } |
265 | ||
e90fdc39 JS |
266 | const char *get_git_work_tree(void) |
267 | { | |
b4158732 | 268 | return the_repository->worktree; |
e90fdc39 JS |
269 | } |
270 | ||
e1b10391 LT |
271 | char *get_object_directory(void) |
272 | { | |
c14c234f | 273 | if (!the_repository->objectdir) |
73f192c9 | 274 | BUG("git environment hasn't been setup"); |
c14c234f | 275 | return the_repository->objectdir; |
e1b10391 LT |
276 | } |
277 | ||
594fa999 | 278 | int odb_mkstemp(struct strbuf *template, const char *pattern) |
463db9b1 JN |
279 | { |
280 | int fd; | |
281 | /* | |
282 | * we let the umask do its job, don't try to be more | |
283 | * restrictive except to remove write permission. | |
284 | */ | |
285 | int mode = 0444; | |
4aa7d75e | 286 | git_path_buf(template, "objects/%s", pattern); |
594fa999 | 287 | fd = git_mkstemp_mode(template->buf, mode); |
463db9b1 JN |
288 | if (0 <= fd) |
289 | return fd; | |
290 | ||
291 | /* slow path */ | |
292 | /* some mkstemp implementations erase template on failure */ | |
4aa7d75e | 293 | git_path_buf(template, "objects/%s", pattern); |
594fa999 JK |
294 | safe_create_leading_directories(template->buf); |
295 | return xmkstemp_mode(template->buf, mode); | |
463db9b1 JN |
296 | } |
297 | ||
eaeefc32 | 298 | int odb_pack_keep(const char *name) |
463db9b1 JN |
299 | { |
300 | int fd; | |
301 | ||
463db9b1 JN |
302 | fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600); |
303 | if (0 <= fd) | |
304 | return fd; | |
305 | ||
306 | /* slow path */ | |
eaeefc32 | 307 | safe_create_leading_directories_const(name); |
463db9b1 JN |
308 | return open(name, O_RDWR|O_CREAT|O_EXCL, 0600); |
309 | } | |
310 | ||
e1b10391 LT |
311 | char *get_index_file(void) |
312 | { | |
c14c234f | 313 | if (!the_repository->index_file) |
73f192c9 | 314 | BUG("git environment hasn't been setup"); |
c14c234f | 315 | return the_repository->index_file; |
e1b10391 LT |
316 | } |
317 | ||
318 | char *get_graft_file(void) | |
319 | { | |
c14c234f | 320 | if (!the_repository->graft_file) |
73f192c9 | 321 | BUG("git environment hasn't been setup"); |
c14c234f | 322 | return the_repository->graft_file; |
e1b10391 | 323 | } |
d7ac12b2 JS |
324 | |
325 | int set_git_dir(const char *path) | |
326 | { | |
327 | if (setenv(GIT_DIR_ENVIRONMENT, path, 1)) | |
328 | return error("Could not set GIT_DIR to '%s'", path); | |
357a03eb | 329 | setup_git_env(path); |
d7ac12b2 JS |
330 | return 0; |
331 | } | |
a6fa5992 PN |
332 | |
333 | const char *get_log_output_encoding(void) | |
334 | { | |
335 | return git_log_output_encoding ? git_log_output_encoding | |
336 | : get_commit_output_encoding(); | |
337 | } | |
338 | ||
339 | const char *get_commit_output_encoding(void) | |
340 | { | |
341 | return git_commit_encoding ? git_commit_encoding : "UTF-8"; | |
342 | } | |
7875acb6 JK |
343 | |
344 | static int the_shared_repository = PERM_UMASK; | |
ae5f6776 | 345 | static int need_shared_repository_from_config = 1; |
7875acb6 JK |
346 | |
347 | void set_shared_repository(int value) | |
348 | { | |
349 | the_shared_repository = value; | |
ae5f6776 | 350 | need_shared_repository_from_config = 0; |
7875acb6 JK |
351 | } |
352 | ||
353 | int get_shared_repository(void) | |
354 | { | |
ae5f6776 JK |
355 | if (need_shared_repository_from_config) { |
356 | const char *var = "core.sharedrepository"; | |
357 | const char *value; | |
358 | if (!git_config_get_value(var, &value)) | |
359 | the_shared_repository = git_config_perm(var, value); | |
360 | need_shared_repository_from_config = 0; | |
361 | } | |
7875acb6 JK |
362 | return the_shared_repository; |
363 | } | |
4543926b JK |
364 | |
365 | void reset_shared_repository(void) | |
366 | { | |
367 | need_shared_repository_from_config = 1; | |
368 | } | |
27344d6a JK |
369 | |
370 | int use_optional_locks(void) | |
371 | { | |
372 | return git_env_bool(GIT_OPTIONAL_LOCKS_ENVIRONMENT, 1); | |
373 | } | |
a2cd709d AR |
374 | |
375 | int print_sha1_ellipsis(void) | |
376 | { | |
377 | /* | |
378 | * Determine if the calling environment contains the variable | |
379 | * GIT_PRINT_SHA1_ELLIPSIS set to "yes". | |
380 | */ | |
381 | static int cached_result = -1; /* unknown */ | |
382 | ||
383 | if (cached_result < 0) { | |
384 | const char *v = getenv("GIT_PRINT_SHA1_ELLIPSIS"); | |
385 | cached_result = (v && !strcasecmp(v, "yes")); | |
386 | } | |
387 | return cached_result; | |
388 | } |