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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; |
dce96489 | 19 | int minimum_abbrev = 4, default_abbrev = 7; |
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 */ |
510c5a8e | 24 | int log_all_ref_updates = -1; /* unspecified */ |
1b371f56 | 25 | int warn_ambiguous_refs = 1; |
25fba78d | 26 | int warn_on_object_refname_ambiguity = 1; |
49672f26 | 27 | int ref_paranoia = -1; |
96f1e58f | 28 | int repository_format_version; |
067fbd41 | 29 | int repository_format_precious_objects; |
1a8f2741 | 30 | const char *git_commit_encoding; |
3a55602e | 31 | const char *git_log_output_encoding; |
94df2506 | 32 | int shared_repository = PERM_UMASK; |
96f1e58f | 33 | const char *apply_default_whitespace; |
86c91f91 | 34 | const char *apply_default_ignorewhitespace; |
64589a03 | 35 | const char *git_attributes_file; |
960ccca6 DH |
36 | int zlib_compression_level = Z_BEST_SPEED; |
37 | int core_compression_level; | |
38 | int core_compression_seen; | |
aafe9fba | 39 | int fsync_object_files; |
8c82534d SP |
40 | size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE; |
41 | size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT; | |
4874f544 | 42 | size_t delta_base_cache_limit = 96 * 1024 * 1024; |
15366280 | 43 | unsigned long big_file_threshold = 512 * 1024 * 1024; |
872da32d | 44 | const char *pager_program; |
aa086eb8 | 45 | int pager_use_color = 1; |
ee9601e6 | 46 | const char *editor_program; |
d3e7da89 | 47 | const char *askpass_program; |
dfb068be | 48 | const char *excludes_file; |
fd6cce9e | 49 | enum auto_crlf auto_crlf = AUTO_CRLF_FALSE; |
afc711b8 | 50 | int check_replace_refs = 1; |
58d121b2 | 51 | char *git_replace_ref_base; |
ec70f52f | 52 | enum eol core_eol = EOL_UNSET; |
21e5ad50 | 53 | enum safe_crlf safe_crlf = SAFE_CRLF_WARN; |
cf1b7869 | 54 | unsigned whitespace_rule_cfg = WS_DEFAULT_RULE; |
9ed36cfa | 55 | enum branch_track git_branch_track = BRANCH_TRACK_REMOTE; |
c998ae9b | 56 | enum rebase_setup_type autorebase = AUTOREBASE_NEVER; |
f25950f3 | 57 | enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED; |
348df166 JS |
58 | #ifndef OBJECT_CREATION_MODE |
59 | #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS | |
be66a6c4 | 60 | #endif |
348df166 | 61 | enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE; |
a97a7468 | 62 | char *notes_ref_name; |
7f3140cd | 63 | int grafts_replace_parents = 1; |
08aefc9e | 64 | int core_apply_sparse_checkout; |
898eacd8 | 65 | int merge_log_config = -1; |
76759c7d | 66 | int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */ |
e37c1329 | 67 | struct startup_info *startup_info; |
568508e7 | 68 | unsigned long pack_size_limit_cfg; |
e1b10391 | 69 | |
a42643aa JK |
70 | #ifndef PROTECT_HFS_DEFAULT |
71 | #define PROTECT_HFS_DEFAULT 0 | |
72 | #endif | |
73 | int protect_hfs = PROTECT_HFS_DEFAULT; | |
74 | ||
2b4c6efc JS |
75 | #ifndef PROTECT_NTFS_DEFAULT |
76 | #define PROTECT_NTFS_DEFAULT 0 | |
77 | #endif | |
78 | int protect_ntfs = PROTECT_NTFS_DEFAULT; | |
79 | ||
eff80a9f JH |
80 | /* |
81 | * The character that begins a commented line in user-editable file | |
82 | * that is subject to stripspace. | |
83 | */ | |
84 | char comment_line_char = '#'; | |
84c9dc2c | 85 | int auto_comment_line_char; |
eff80a9f | 86 | |
671c9b7e | 87 | /* Parallel index stat data preload? */ |
299e2987 | 88 | int core_preload_index = 1; |
671c9b7e | 89 | |
e90fdc39 JS |
90 | /* This is set by setup_git_dir_gently() and/or git_default_config() */ |
91 | char *git_work_tree_cfg; | |
19757d80 | 92 | static char *work_tree; |
e90fdc39 | 93 | |
a1bea2c1 JT |
94 | static const char *namespace; |
95 | static size_t namespace_len; | |
96 | ||
c7b3a3d2 | 97 | static const char *git_dir, *git_common_dir; |
7f7868ea | 98 | static char *git_object_dir, *git_index_file, *git_graft_file; |
c7b3a3d2 | 99 | int git_db_env, git_index_env, git_graft_env, git_common_dir_env; |
c5fba16c | 100 | |
48a7c1c4 | 101 | /* |
2163e5db | 102 | * Repository-local GIT_* environment variables; see cache.h for details. |
48a7c1c4 | 103 | */ |
2163e5db | 104 | const char * const local_repo_env[] = { |
48a7c1c4 GB |
105 | ALTERNATE_DB_ENVIRONMENT, |
106 | CONFIG_ENVIRONMENT, | |
655e8d9c | 107 | CONFIG_DATA_ENVIRONMENT, |
48a7c1c4 GB |
108 | DB_ENVIRONMENT, |
109 | GIT_DIR_ENVIRONMENT, | |
110 | GIT_WORK_TREE_ENVIRONMENT, | |
2cd83d10 | 111 | GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, |
48a7c1c4 GB |
112 | GRAFT_ENVIRONMENT, |
113 | INDEX_ENVIRONMENT, | |
114 | NO_REPLACE_OBJECTS_ENVIRONMENT, | |
58d121b2 | 115 | GIT_REPLACE_REF_BASE_ENVIRONMENT, |
a6f7f9a3 | 116 | GIT_PREFIX_ENVIRONMENT, |
069c0532 | 117 | GIT_SHALLOW_FILE_ENVIRONMENT, |
c7b3a3d2 | 118 | GIT_COMMON_DIR_ENVIRONMENT, |
48a7c1c4 GB |
119 | NULL |
120 | }; | |
121 | ||
a1bea2c1 JT |
122 | static char *expand_namespace(const char *raw_namespace) |
123 | { | |
124 | struct strbuf buf = STRBUF_INIT; | |
125 | struct strbuf **components, **c; | |
126 | ||
127 | if (!raw_namespace || !*raw_namespace) | |
128 | return xstrdup(""); | |
129 | ||
130 | strbuf_addstr(&buf, raw_namespace); | |
131 | components = strbuf_split(&buf, '/'); | |
132 | strbuf_reset(&buf); | |
133 | for (c = components; *c; c++) | |
134 | if (strcmp((*c)->buf, "/") != 0) | |
135 | strbuf_addf(&buf, "refs/namespaces/%s", (*c)->buf); | |
136 | strbuf_list_free(components); | |
8d9c5010 | 137 | if (check_refname_format(buf.buf, 0)) |
a1bea2c1 JT |
138 | die("bad git namespace path \"%s\"", raw_namespace); |
139 | strbuf_addch(&buf, '/'); | |
140 | return strbuf_detach(&buf, NULL); | |
141 | } | |
142 | ||
c7b3a3d2 NTND |
143 | static char *git_path_from_env(const char *envvar, const char *git_dir, |
144 | const char *path, int *fromenv) | |
cb6c38d5 JK |
145 | { |
146 | const char *value = getenv(envvar); | |
75faa45a JK |
147 | if (!value) |
148 | return xstrfmt("%s/%s", git_dir, path); | |
557bd833 NTND |
149 | if (fromenv) |
150 | *fromenv = 1; | |
151 | return xstrdup(value); | |
cb6c38d5 JK |
152 | } |
153 | ||
e1b10391 LT |
154 | static void setup_git_env(void) |
155 | { | |
31e26ebc | 156 | struct strbuf sb = STRBUF_INIT; |
487a2b73 | 157 | const char *gitfile; |
069c0532 | 158 | const char *shallow_file; |
58d121b2 | 159 | const char *replace_ref_base; |
487a2b73 | 160 | |
e1b10391 LT |
161 | git_dir = getenv(GIT_DIR_ENVIRONMENT); |
162 | if (!git_dir) | |
163 | git_dir = DEFAULT_GIT_DIR_ENVIRONMENT; | |
487a2b73 NTND |
164 | gitfile = read_gitfile(git_dir); |
165 | git_dir = xstrdup(gitfile ? gitfile : git_dir); | |
31e26ebc | 166 | if (get_common_dir(&sb, git_dir)) |
c7b3a3d2 | 167 | git_common_dir_env = 1; |
31e26ebc | 168 | git_common_dir = strbuf_detach(&sb, NULL); |
c7b3a3d2 NTND |
169 | git_object_dir = git_path_from_env(DB_ENVIRONMENT, git_common_dir, |
170 | "objects", &git_db_env); | |
171 | git_index_file = git_path_from_env(INDEX_ENVIRONMENT, git_dir, | |
172 | "index", &git_index_env); | |
173 | git_graft_file = git_path_from_env(GRAFT_ENVIRONMENT, git_common_dir, | |
174 | "info/grafts", &git_graft_env); | |
6476b38b | 175 | if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT)) |
afc711b8 | 176 | check_replace_refs = 0; |
58d121b2 MH |
177 | replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT); |
178 | git_replace_ref_base = xstrdup(replace_ref_base ? replace_ref_base | |
179 | : "refs/replace/"); | |
a1bea2c1 JT |
180 | namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT)); |
181 | namespace_len = strlen(namespace); | |
069c0532 NTND |
182 | shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT); |
183 | if (shallow_file) | |
184 | set_alternate_shallow_file(shallow_file, 0); | |
0bee5918 SP |
185 | } |
186 | ||
7d1864ce | 187 | int is_bare_repository(void) |
0bee5918 | 188 | { |
e90fdc39 JS |
189 | /* if core.bare is not 'false', let's see if there is a work tree */ |
190 | return is_bare_repository_cfg && !get_git_work_tree(); | |
e1b10391 LT |
191 | } |
192 | ||
c5fba16c | 193 | const char *get_git_dir(void) |
e1b10391 LT |
194 | { |
195 | if (!git_dir) | |
196 | setup_git_env(); | |
197 | return git_dir; | |
198 | } | |
199 | ||
c7b3a3d2 NTND |
200 | const char *get_git_common_dir(void) |
201 | { | |
202 | return git_common_dir; | |
203 | } | |
204 | ||
a1bea2c1 JT |
205 | const char *get_git_namespace(void) |
206 | { | |
207 | if (!namespace) | |
208 | setup_git_env(); | |
209 | return namespace; | |
210 | } | |
211 | ||
212 | const char *strip_namespace(const char *namespaced_ref) | |
213 | { | |
59556548 | 214 | if (!starts_with(namespaced_ref, get_git_namespace())) |
a1bea2c1 JT |
215 | return NULL; |
216 | return namespaced_ref + namespace_len; | |
217 | } | |
218 | ||
19757d80 DB |
219 | static int git_work_tree_initialized; |
220 | ||
221 | /* | |
222 | * Note. This works only before you used a work tree. This was added | |
223 | * primarily to support git-clone to work in a new repository it just | |
224 | * created, and is not meant to flip between different work trees. | |
225 | */ | |
226 | void set_git_work_tree(const char *new_work_tree) | |
227 | { | |
83518360 | 228 | if (git_work_tree_initialized) { |
e2a57aac | 229 | new_work_tree = real_path(new_work_tree); |
83518360 NTND |
230 | if (strcmp(new_work_tree, work_tree)) |
231 | die("internal error: work tree has already been set\n" | |
232 | "Current worktree: %s\nNew worktree: %s", | |
233 | work_tree, new_work_tree); | |
234 | return; | |
235 | } | |
19757d80 | 236 | git_work_tree_initialized = 1; |
e2a57aac | 237 | work_tree = xstrdup(real_path(new_work_tree)); |
19757d80 DB |
238 | } |
239 | ||
e90fdc39 JS |
240 | const char *get_git_work_tree(void) |
241 | { | |
e90fdc39 JS |
242 | return work_tree; |
243 | } | |
244 | ||
e1b10391 LT |
245 | char *get_object_directory(void) |
246 | { | |
247 | if (!git_object_dir) | |
248 | setup_git_env(); | |
249 | return git_object_dir; | |
250 | } | |
251 | ||
463db9b1 JN |
252 | int odb_mkstemp(char *template, size_t limit, const char *pattern) |
253 | { | |
254 | int fd; | |
255 | /* | |
256 | * we let the umask do its job, don't try to be more | |
257 | * restrictive except to remove write permission. | |
258 | */ | |
259 | int mode = 0444; | |
260 | snprintf(template, limit, "%s/%s", | |
261 | get_object_directory(), pattern); | |
262 | fd = git_mkstemp_mode(template, mode); | |
263 | if (0 <= fd) | |
264 | return fd; | |
265 | ||
266 | /* slow path */ | |
267 | /* some mkstemp implementations erase template on failure */ | |
268 | snprintf(template, limit, "%s/%s", | |
269 | get_object_directory(), pattern); | |
270 | safe_create_leading_directories(template); | |
271 | return xmkstemp_mode(template, mode); | |
272 | } | |
273 | ||
8640d496 | 274 | int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1) |
463db9b1 JN |
275 | { |
276 | int fd; | |
277 | ||
278 | snprintf(name, namesz, "%s/pack/pack-%s.keep", | |
279 | get_object_directory(), sha1_to_hex(sha1)); | |
280 | fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600); | |
281 | if (0 <= fd) | |
282 | return fd; | |
283 | ||
284 | /* slow path */ | |
285 | safe_create_leading_directories(name); | |
286 | return open(name, O_RDWR|O_CREAT|O_EXCL, 0600); | |
287 | } | |
288 | ||
e1b10391 LT |
289 | char *get_index_file(void) |
290 | { | |
291 | if (!git_index_file) | |
292 | setup_git_env(); | |
293 | return git_index_file; | |
294 | } | |
295 | ||
296 | char *get_graft_file(void) | |
297 | { | |
298 | if (!git_graft_file) | |
299 | setup_git_env(); | |
300 | return git_graft_file; | |
301 | } | |
d7ac12b2 JS |
302 | |
303 | int set_git_dir(const char *path) | |
304 | { | |
305 | if (setenv(GIT_DIR_ENVIRONMENT, path, 1)) | |
306 | return error("Could not set GIT_DIR to '%s'", path); | |
307 | setup_git_env(); | |
308 | return 0; | |
309 | } | |
a6fa5992 PN |
310 | |
311 | const char *get_log_output_encoding(void) | |
312 | { | |
313 | return git_log_output_encoding ? git_log_output_encoding | |
314 | : get_commit_output_encoding(); | |
315 | } | |
316 | ||
317 | const char *get_commit_output_encoding(void) | |
318 | { | |
319 | return git_commit_encoding ? git_commit_encoding : "UTF-8"; | |
320 | } |