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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" |
e1b10391 LT |
13 | |
14 | char git_default_email[MAX_GITNAME]; | |
15 | char git_default_name[MAX_GITNAME]; | |
bb1ae3f6 | 16 | int user_ident_explicitly_given; |
e1b10391 | 17 | int trust_executable_bit = 1; |
1ce4790b | 18 | int trust_ctime = 1; |
78a8d641 | 19 | int has_symlinks = 1; |
dce96489 | 20 | int minimum_abbrev = 4, default_abbrev = 7; |
0a9b88b7 | 21 | int ignore_case; |
96f1e58f DR |
22 | int assume_unchanged; |
23 | int prefer_symlink_refs; | |
7d1864ce | 24 | int is_bare_repository_cfg = -1; /* unspecified */ |
510c5a8e | 25 | int log_all_ref_updates = -1; /* unspecified */ |
1b371f56 | 26 | int warn_ambiguous_refs = 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; | |
18bdec11 | 40 | size_t delta_base_cache_limit = 16 * 1024 * 1024; |
15366280 | 41 | unsigned long big_file_threshold = 512 * 1024 * 1024; |
5f44324d | 42 | const char *log_pack_access; |
872da32d | 43 | const char *pager_program; |
aa086eb8 | 44 | int pager_use_color = 1; |
ee9601e6 | 45 | const char *editor_program; |
d3e7da89 | 46 | const char *askpass_program; |
dfb068be | 47 | const char *excludes_file; |
fd6cce9e | 48 | enum auto_crlf auto_crlf = AUTO_CRLF_FALSE; |
e1111cef | 49 | int read_replace_refs = 1; /* NEEDSWORK: rename to use_replace_refs */ |
ec70f52f | 50 | enum eol core_eol = EOL_UNSET; |
21e5ad50 | 51 | enum safe_crlf safe_crlf = SAFE_CRLF_WARN; |
cf1b7869 | 52 | unsigned whitespace_rule_cfg = WS_DEFAULT_RULE; |
9ed36cfa | 53 | enum branch_track git_branch_track = BRANCH_TRACK_REMOTE; |
c998ae9b | 54 | enum rebase_setup_type autorebase = AUTOREBASE_NEVER; |
bba0fd22 | 55 | enum push_default_type push_default = PUSH_DEFAULT_MATCHING; |
348df166 JS |
56 | #ifndef OBJECT_CREATION_MODE |
57 | #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS | |
be66a6c4 | 58 | #endif |
348df166 | 59 | enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE; |
a97a7468 | 60 | char *notes_ref_name; |
7f3140cd | 61 | int grafts_replace_parents = 1; |
08aefc9e | 62 | int core_apply_sparse_checkout; |
898eacd8 | 63 | int merge_log_config = -1; |
e37c1329 | 64 | struct startup_info *startup_info; |
568508e7 | 65 | unsigned long pack_size_limit_cfg; |
e1b10391 | 66 | |
671c9b7e LT |
67 | /* Parallel index stat data preload? */ |
68 | int core_preload_index = 0; | |
69 | ||
e90fdc39 JS |
70 | /* This is set by setup_git_dir_gently() and/or git_default_config() */ |
71 | char *git_work_tree_cfg; | |
19757d80 | 72 | static char *work_tree; |
e90fdc39 | 73 | |
a1bea2c1 JT |
74 | static const char *namespace; |
75 | static size_t namespace_len; | |
76 | ||
c5fba16c | 77 | static const char *git_dir; |
7f7868ea | 78 | static char *git_object_dir, *git_index_file, *git_graft_file; |
c5fba16c | 79 | |
48a7c1c4 GB |
80 | /* |
81 | * Repository-local GIT_* environment variables | |
82 | * Remember to update local_repo_env_size in cache.h when | |
83 | * the size of the list changes | |
84 | */ | |
85 | const char * const local_repo_env[LOCAL_REPO_ENV_SIZE + 1] = { | |
86 | ALTERNATE_DB_ENVIRONMENT, | |
87 | CONFIG_ENVIRONMENT, | |
655e8d9c | 88 | CONFIG_DATA_ENVIRONMENT, |
48a7c1c4 GB |
89 | DB_ENVIRONMENT, |
90 | GIT_DIR_ENVIRONMENT, | |
91 | GIT_WORK_TREE_ENVIRONMENT, | |
92 | GRAFT_ENVIRONMENT, | |
93 | INDEX_ENVIRONMENT, | |
94 | NO_REPLACE_OBJECTS_ENVIRONMENT, | |
95 | NULL | |
96 | }; | |
97 | ||
a1bea2c1 JT |
98 | static char *expand_namespace(const char *raw_namespace) |
99 | { | |
100 | struct strbuf buf = STRBUF_INIT; | |
101 | struct strbuf **components, **c; | |
102 | ||
103 | if (!raw_namespace || !*raw_namespace) | |
104 | return xstrdup(""); | |
105 | ||
106 | strbuf_addstr(&buf, raw_namespace); | |
107 | components = strbuf_split(&buf, '/'); | |
108 | strbuf_reset(&buf); | |
109 | for (c = components; *c; c++) | |
110 | if (strcmp((*c)->buf, "/") != 0) | |
111 | strbuf_addf(&buf, "refs/namespaces/%s", (*c)->buf); | |
112 | strbuf_list_free(components); | |
8d9c5010 | 113 | if (check_refname_format(buf.buf, 0)) |
a1bea2c1 JT |
114 | die("bad git namespace path \"%s\"", raw_namespace); |
115 | strbuf_addch(&buf, '/'); | |
116 | return strbuf_detach(&buf, NULL); | |
117 | } | |
118 | ||
e1b10391 LT |
119 | static void setup_git_env(void) |
120 | { | |
121 | git_dir = getenv(GIT_DIR_ENVIRONMENT); | |
15431ca6 | 122 | git_dir = git_dir ? xstrdup(git_dir) : NULL; |
06f3549d | 123 | if (!git_dir) { |
13d6ec91 | 124 | git_dir = read_gitfile(DEFAULT_GIT_DIR_ENVIRONMENT); |
06f3549d JN |
125 | git_dir = git_dir ? xstrdup(git_dir) : NULL; |
126 | } | |
e1b10391 LT |
127 | if (!git_dir) |
128 | git_dir = DEFAULT_GIT_DIR_ENVIRONMENT; | |
129 | git_object_dir = getenv(DB_ENVIRONMENT); | |
130 | if (!git_object_dir) { | |
131 | git_object_dir = xmalloc(strlen(git_dir) + 9); | |
132 | sprintf(git_object_dir, "%s/objects", git_dir); | |
133 | } | |
e1b10391 LT |
134 | git_index_file = getenv(INDEX_ENVIRONMENT); |
135 | if (!git_index_file) { | |
136 | git_index_file = xmalloc(strlen(git_dir) + 7); | |
137 | sprintf(git_index_file, "%s/index", git_dir); | |
138 | } | |
139 | git_graft_file = getenv(GRAFT_ENVIRONMENT); | |
140 | if (!git_graft_file) | |
a4f34cbb | 141 | git_graft_file = git_pathdup("info/grafts"); |
6476b38b CC |
142 | if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT)) |
143 | read_replace_refs = 0; | |
a1bea2c1 JT |
144 | namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT)); |
145 | namespace_len = strlen(namespace); | |
0bee5918 SP |
146 | } |
147 | ||
7d1864ce | 148 | int is_bare_repository(void) |
0bee5918 | 149 | { |
e90fdc39 JS |
150 | /* if core.bare is not 'false', let's see if there is a work tree */ |
151 | return is_bare_repository_cfg && !get_git_work_tree(); | |
e1b10391 LT |
152 | } |
153 | ||
d2b0708e DP |
154 | int have_git_dir(void) |
155 | { | |
156 | return !!git_dir; | |
157 | } | |
158 | ||
c5fba16c | 159 | const char *get_git_dir(void) |
e1b10391 LT |
160 | { |
161 | if (!git_dir) | |
162 | setup_git_env(); | |
163 | return git_dir; | |
164 | } | |
165 | ||
a1bea2c1 JT |
166 | const char *get_git_namespace(void) |
167 | { | |
168 | if (!namespace) | |
169 | setup_git_env(); | |
170 | return namespace; | |
171 | } | |
172 | ||
173 | const char *strip_namespace(const char *namespaced_ref) | |
174 | { | |
175 | if (prefixcmp(namespaced_ref, get_git_namespace()) != 0) | |
176 | return NULL; | |
177 | return namespaced_ref + namespace_len; | |
178 | } | |
179 | ||
19757d80 DB |
180 | static int git_work_tree_initialized; |
181 | ||
182 | /* | |
183 | * Note. This works only before you used a work tree. This was added | |
184 | * primarily to support git-clone to work in a new repository it just | |
185 | * created, and is not meant to flip between different work trees. | |
186 | */ | |
187 | void set_git_work_tree(const char *new_work_tree) | |
188 | { | |
83518360 | 189 | if (git_work_tree_initialized) { |
e2a57aac | 190 | new_work_tree = real_path(new_work_tree); |
83518360 NTND |
191 | if (strcmp(new_work_tree, work_tree)) |
192 | die("internal error: work tree has already been set\n" | |
193 | "Current worktree: %s\nNew worktree: %s", | |
194 | work_tree, new_work_tree); | |
195 | return; | |
196 | } | |
19757d80 | 197 | git_work_tree_initialized = 1; |
e2a57aac | 198 | work_tree = xstrdup(real_path(new_work_tree)); |
19757d80 DB |
199 | } |
200 | ||
e90fdc39 JS |
201 | const char *get_git_work_tree(void) |
202 | { | |
e90fdc39 JS |
203 | return work_tree; |
204 | } | |
205 | ||
e1b10391 LT |
206 | char *get_object_directory(void) |
207 | { | |
208 | if (!git_object_dir) | |
209 | setup_git_env(); | |
210 | return git_object_dir; | |
211 | } | |
212 | ||
463db9b1 JN |
213 | int odb_mkstemp(char *template, size_t limit, const char *pattern) |
214 | { | |
215 | int fd; | |
216 | /* | |
217 | * we let the umask do its job, don't try to be more | |
218 | * restrictive except to remove write permission. | |
219 | */ | |
220 | int mode = 0444; | |
221 | snprintf(template, limit, "%s/%s", | |
222 | get_object_directory(), pattern); | |
223 | fd = git_mkstemp_mode(template, mode); | |
224 | if (0 <= fd) | |
225 | return fd; | |
226 | ||
227 | /* slow path */ | |
228 | /* some mkstemp implementations erase template on failure */ | |
229 | snprintf(template, limit, "%s/%s", | |
230 | get_object_directory(), pattern); | |
231 | safe_create_leading_directories(template); | |
232 | return xmkstemp_mode(template, mode); | |
233 | } | |
234 | ||
235 | int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1) | |
236 | { | |
237 | int fd; | |
238 | ||
239 | snprintf(name, namesz, "%s/pack/pack-%s.keep", | |
240 | get_object_directory(), sha1_to_hex(sha1)); | |
241 | fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600); | |
242 | if (0 <= fd) | |
243 | return fd; | |
244 | ||
245 | /* slow path */ | |
246 | safe_create_leading_directories(name); | |
247 | return open(name, O_RDWR|O_CREAT|O_EXCL, 0600); | |
248 | } | |
249 | ||
e1b10391 LT |
250 | char *get_index_file(void) |
251 | { | |
252 | if (!git_index_file) | |
253 | setup_git_env(); | |
254 | return git_index_file; | |
255 | } | |
256 | ||
257 | char *get_graft_file(void) | |
258 | { | |
259 | if (!git_graft_file) | |
260 | setup_git_env(); | |
261 | return git_graft_file; | |
262 | } | |
d7ac12b2 JS |
263 | |
264 | int set_git_dir(const char *path) | |
265 | { | |
266 | if (setenv(GIT_DIR_ENVIRONMENT, path, 1)) | |
267 | return error("Could not set GIT_DIR to '%s'", path); | |
268 | setup_git_env(); | |
269 | return 0; | |
270 | } | |
a6fa5992 PN |
271 | |
272 | const char *get_log_output_encoding(void) | |
273 | { | |
274 | return git_log_output_encoding ? git_log_output_encoding | |
275 | : get_commit_output_encoding(); | |
276 | } | |
277 | ||
278 | const char *get_commit_output_encoding(void) | |
279 | { | |
280 | return git_commit_encoding ? git_commit_encoding : "UTF-8"; | |
281 | } |