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