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Commit | Line | Data |
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10bea152 JS |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | * Copyright (C) Johannes Schindelin, 2005 | |
6 | * | |
7 | */ | |
17712991 | 8 | #include "cache.h" |
b2141fc1 | 9 | #include "config.h" |
697cc8ef | 10 | #include "lockfile.h" |
7f0e39fa | 11 | #include "exec_cmd.h" |
572e4f6a | 12 | #include "strbuf.h" |
2b64fc89 | 13 | #include "quote.h" |
3c8687a7 TA |
14 | #include "hashmap.h" |
15 | #include "string-list.h" | |
599446dc | 16 | #include "utf8.h" |
3efd0bed | 17 | #include "dir.h" |
17712991 | 18 | |
4d8dd149 HV |
19 | struct config_source { |
20 | struct config_source *prev; | |
21 | union { | |
22 | FILE *file; | |
1bc88819 HV |
23 | struct config_buf { |
24 | const char *buf; | |
25 | size_t len; | |
26 | size_t pos; | |
27 | } buf; | |
4d8dd149 | 28 | } u; |
1b8132d9 | 29 | enum config_origin_type origin_type; |
924aaf3e | 30 | const char *name; |
d14d4244 | 31 | const char *path; |
b2dc0945 | 32 | int die_on_error; |
924aaf3e RJ |
33 | int linenr; |
34 | int eof; | |
35 | struct strbuf value; | |
0971e992 | 36 | struct strbuf var; |
924aaf3e | 37 | |
49d6cfa5 JK |
38 | int (*do_fgetc)(struct config_source *c); |
39 | int (*do_ungetc)(int c, struct config_source *conf); | |
40 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
41 | }; |
42 | ||
0d44a2da JK |
43 | /* |
44 | * These variables record the "current" config source, which | |
45 | * can be accessed by parsing callbacks. | |
46 | * | |
47 | * The "cf" variable will be non-NULL only when we are actually parsing a real | |
48 | * config source (file, blob, cmdline, etc). | |
49 | * | |
50 | * The "current_config_kvi" variable will be non-NULL only when we are feeding | |
51 | * cached config from a configset into a callback. | |
52 | * | |
53 | * They should generally never be non-NULL at the same time. If they are both | |
54 | * NULL, then we aren't parsing anything (and depending on the function looking | |
55 | * at the variables, it's either a bug for it to be called in the first place, | |
56 | * or it's a function which can be reused for non-config purposes, and should | |
57 | * fall back to some sane behavior). | |
58 | */ | |
4d8dd149 | 59 | static struct config_source *cf; |
0d44a2da | 60 | static struct key_value_info *current_config_kvi; |
924aaf3e | 61 | |
9acc5911 JK |
62 | /* |
63 | * Similar to the variables above, this gives access to the "scope" of the | |
64 | * current value (repo, global, etc). For cached values, it can be found via | |
65 | * the current_config_kvi as above. During parsing, the current value can be | |
66 | * found in this variable. It's not part of "cf" because it transcends a single | |
67 | * file (i.e., a file included from .git/config is still in "repo" scope). | |
68 | */ | |
69 | static enum config_scope current_parsing_scope; | |
924aaf3e | 70 | |
8de7eeb5 JH |
71 | static int core_compression_seen; |
72 | static int pack_compression_seen; | |
960ccca6 DH |
73 | static int zlib_compression_seen; |
74 | ||
3c8687a7 TA |
75 | /* |
76 | * Default config_set that contains key-value pairs from the usual set of config | |
77 | * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG | |
78 | * config file and the global /etc/gitconfig) | |
79 | */ | |
80 | static struct config_set the_config_set; | |
81 | ||
4d8dd149 HV |
82 | static int config_file_fgetc(struct config_source *conf) |
83 | { | |
260d408e | 84 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
85 | } |
86 | ||
87 | static int config_file_ungetc(int c, struct config_source *conf) | |
88 | { | |
89 | return ungetc(c, conf->u.file); | |
90 | } | |
91 | ||
92 | static long config_file_ftell(struct config_source *conf) | |
93 | { | |
94 | return ftell(conf->u.file); | |
95 | } | |
96 | ||
1bc88819 HV |
97 | |
98 | static int config_buf_fgetc(struct config_source *conf) | |
99 | { | |
100 | if (conf->u.buf.pos < conf->u.buf.len) | |
101 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
102 | ||
103 | return EOF; | |
104 | } | |
105 | ||
106 | static int config_buf_ungetc(int c, struct config_source *conf) | |
107 | { | |
1d0655c1 JK |
108 | if (conf->u.buf.pos > 0) { |
109 | conf->u.buf.pos--; | |
110 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
111 | die("BUG: config_buf can only ungetc the same character"); | |
112 | return c; | |
113 | } | |
1bc88819 HV |
114 | |
115 | return EOF; | |
116 | } | |
117 | ||
118 | static long config_buf_ftell(struct config_source *conf) | |
119 | { | |
120 | return conf->u.buf.pos; | |
121 | } | |
122 | ||
9b25a0b5 JK |
123 | #define MAX_INCLUDE_DEPTH 10 |
124 | static const char include_depth_advice[] = | |
125 | "exceeded maximum include depth (%d) while including\n" | |
126 | " %s\n" | |
127 | "from\n" | |
128 | " %s\n" | |
129 | "Do you have circular includes?"; | |
130 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
131 | { | |
132 | int ret = 0; | |
133 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 134 | char *expanded; |
4c0a89fc | 135 | |
67beb600 JK |
136 | if (!path) |
137 | return config_error_nonbool("include.path"); | |
138 | ||
4aad2f16 | 139 | expanded = expand_user_path(path, 0); |
4c0a89fc | 140 | if (!expanded) |
8c3ca351 | 141 | return error("could not expand include path '%s'", path); |
4c0a89fc | 142 | path = expanded; |
9b25a0b5 JK |
143 | |
144 | /* | |
145 | * Use an absolute path as-is, but interpret relative paths | |
146 | * based on the including config file. | |
147 | */ | |
148 | if (!is_absolute_path(path)) { | |
149 | char *slash; | |
150 | ||
d14d4244 | 151 | if (!cf || !cf->path) |
9b25a0b5 JK |
152 | return error("relative config includes must come from files"); |
153 | ||
d14d4244 | 154 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 155 | if (slash) |
d14d4244 | 156 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
157 | strbuf_addstr(&buf, path); |
158 | path = buf.buf; | |
159 | } | |
160 | ||
4698c8fe | 161 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
162 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
163 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
3258258f JK |
164 | !cf ? "<unknown>" : |
165 | cf->name ? cf->name : | |
166 | "the command line"); | |
9b25a0b5 JK |
167 | ret = git_config_from_file(git_config_include, path, inc); |
168 | inc->depth--; | |
169 | } | |
170 | strbuf_release(&buf); | |
4c0a89fc | 171 | free(expanded); |
9b25a0b5 JK |
172 | return ret; |
173 | } | |
174 | ||
3efd0bed NTND |
175 | static int prepare_include_condition_pattern(struct strbuf *pat) |
176 | { | |
177 | struct strbuf path = STRBUF_INIT; | |
178 | char *expanded; | |
179 | int prefix = 0; | |
180 | ||
86f95157 | 181 | expanded = expand_user_path(pat->buf, 1); |
3efd0bed NTND |
182 | if (expanded) { |
183 | strbuf_reset(pat); | |
184 | strbuf_addstr(pat, expanded); | |
185 | free(expanded); | |
186 | } | |
187 | ||
188 | if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) { | |
189 | const char *slash; | |
190 | ||
191 | if (!cf || !cf->path) | |
192 | return error(_("relative config include " | |
193 | "conditionals must come from files")); | |
194 | ||
86f95157 | 195 | strbuf_realpath(&path, cf->path, 1); |
3efd0bed NTND |
196 | slash = find_last_dir_sep(path.buf); |
197 | if (!slash) | |
198 | die("BUG: how is this possible?"); | |
199 | strbuf_splice(pat, 0, 1, path.buf, slash - path.buf); | |
200 | prefix = slash - path.buf + 1 /* slash */; | |
201 | } else if (!is_absolute_path(pat->buf)) | |
202 | strbuf_insert(pat, 0, "**/", 3); | |
203 | ||
204 | if (pat->len && is_dir_sep(pat->buf[pat->len - 1])) | |
205 | strbuf_addstr(pat, "**"); | |
206 | ||
207 | strbuf_release(&path); | |
208 | return prefix; | |
209 | } | |
210 | ||
2185fde5 NTND |
211 | static int include_by_gitdir(const struct config_options *opts, |
212 | const char *cond, size_t cond_len, int icase) | |
3efd0bed NTND |
213 | { |
214 | struct strbuf text = STRBUF_INIT; | |
215 | struct strbuf pattern = STRBUF_INIT; | |
216 | int ret = 0, prefix; | |
2185fde5 | 217 | const char *git_dir; |
0624c63c | 218 | int already_tried_absolute = 0; |
3efd0bed | 219 | |
2185fde5 NTND |
220 | if (opts->git_dir) |
221 | git_dir = opts->git_dir; | |
2185fde5 NTND |
222 | else |
223 | goto done; | |
224 | ||
c9672ba4 | 225 | strbuf_realpath(&text, git_dir, 1); |
3efd0bed NTND |
226 | strbuf_add(&pattern, cond, cond_len); |
227 | prefix = prepare_include_condition_pattern(&pattern); | |
228 | ||
0624c63c | 229 | again: |
3efd0bed NTND |
230 | if (prefix < 0) |
231 | goto done; | |
232 | ||
233 | if (prefix > 0) { | |
234 | /* | |
235 | * perform literal matching on the prefix part so that | |
236 | * any wildcard character in it can't create side effects. | |
237 | */ | |
238 | if (text.len < prefix) | |
239 | goto done; | |
240 | if (!icase && strncmp(pattern.buf, text.buf, prefix)) | |
241 | goto done; | |
242 | if (icase && strncasecmp(pattern.buf, text.buf, prefix)) | |
243 | goto done; | |
244 | } | |
245 | ||
246 | ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, | |
247 | icase ? WM_CASEFOLD : 0, NULL); | |
248 | ||
0624c63c ÆAB |
249 | if (!ret && !already_tried_absolute) { |
250 | /* | |
251 | * We've tried e.g. matching gitdir:~/work, but if | |
252 | * ~/work is a symlink to /mnt/storage/work | |
253 | * strbuf_realpath() will expand it, so the rule won't | |
254 | * match. Let's match against a | |
255 | * strbuf_add_absolute_path() version of the path, | |
256 | * which'll do the right thing | |
257 | */ | |
258 | strbuf_reset(&text); | |
259 | strbuf_add_absolute_path(&text, git_dir); | |
260 | already_tried_absolute = 1; | |
261 | goto again; | |
262 | } | |
3efd0bed NTND |
263 | done: |
264 | strbuf_release(&pattern); | |
265 | strbuf_release(&text); | |
266 | return ret; | |
267 | } | |
268 | ||
2185fde5 NTND |
269 | static int include_condition_is_true(const struct config_options *opts, |
270 | const char *cond, size_t cond_len) | |
3efd0bed NTND |
271 | { |
272 | ||
273 | if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len)) | |
2185fde5 | 274 | return include_by_gitdir(opts, cond, cond_len, 0); |
3efd0bed | 275 | else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len)) |
2185fde5 | 276 | return include_by_gitdir(opts, cond, cond_len, 1); |
3efd0bed NTND |
277 | |
278 | /* unknown conditionals are always false */ | |
279 | return 0; | |
280 | } | |
281 | ||
9b25a0b5 JK |
282 | int git_config_include(const char *var, const char *value, void *data) |
283 | { | |
284 | struct config_include_data *inc = data; | |
3efd0bed NTND |
285 | const char *cond, *key; |
286 | int cond_len; | |
9b25a0b5 JK |
287 | int ret; |
288 | ||
289 | /* | |
290 | * Pass along all values, including "include" directives; this makes it | |
291 | * possible to query information on the includes themselves. | |
292 | */ | |
293 | ret = inc->fn(var, value, inc->data); | |
294 | if (ret < 0) | |
295 | return ret; | |
296 | ||
37007c3a | 297 | if (!strcmp(var, "include.path")) |
9b25a0b5 | 298 | ret = handle_path_include(value, inc); |
3efd0bed NTND |
299 | |
300 | if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) && | |
2185fde5 | 301 | (cond && include_condition_is_true(inc->opts, cond, cond_len)) && |
3efd0bed NTND |
302 | !strcmp(key, "path")) |
303 | ret = handle_path_include(value, inc); | |
304 | ||
9b25a0b5 JK |
305 | return ret; |
306 | } | |
307 | ||
2b64fc89 JK |
308 | void git_config_push_parameter(const char *text) |
309 | { | |
310 | struct strbuf env = STRBUF_INIT; | |
311 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 312 | if (old && *old) { |
2b64fc89 JK |
313 | strbuf_addstr(&env, old); |
314 | strbuf_addch(&env, ' '); | |
315 | } | |
316 | sq_quote_buf(&env, text); | |
317 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
318 | strbuf_release(&env); | |
319 | } | |
320 | ||
ee98df3f JH |
321 | static inline int iskeychar(int c) |
322 | { | |
323 | return isalnum(c) || c == '-'; | |
324 | } | |
325 | ||
326 | /* | |
327 | * Auxiliary function to sanity-check and split the key into the section | |
328 | * identifier and variable name. | |
329 | * | |
330 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
331 | * -2 if there is no section name in the key. | |
332 | * | |
333 | * store_key - pointer to char* which will hold a copy of the key with | |
334 | * lowercase section and variable name | |
335 | * baselen - pointer to int which will hold the length of the | |
336 | * section + subsection part, can be NULL | |
337 | */ | |
338 | static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet) | |
339 | { | |
340 | int i, dot, baselen; | |
341 | const char *last_dot = strrchr(key, '.'); | |
342 | ||
343 | /* | |
344 | * Since "key" actually contains the section name and the real | |
345 | * key name separated by a dot, we have to know where the dot is. | |
346 | */ | |
347 | ||
348 | if (last_dot == NULL || last_dot == key) { | |
349 | if (!quiet) | |
350 | error("key does not contain a section: %s", key); | |
351 | return -CONFIG_NO_SECTION_OR_NAME; | |
352 | } | |
353 | ||
354 | if (!last_dot[1]) { | |
355 | if (!quiet) | |
356 | error("key does not contain variable name: %s", key); | |
357 | return -CONFIG_NO_SECTION_OR_NAME; | |
358 | } | |
359 | ||
360 | baselen = last_dot - key; | |
361 | if (baselen_) | |
362 | *baselen_ = baselen; | |
363 | ||
364 | /* | |
365 | * Validate the key and while at it, lower case it for matching. | |
366 | */ | |
367 | if (store_key) | |
368 | *store_key = xmallocz(strlen(key)); | |
369 | ||
370 | dot = 0; | |
371 | for (i = 0; key[i]; i++) { | |
372 | unsigned char c = key[i]; | |
373 | if (c == '.') | |
374 | dot = 1; | |
375 | /* Leave the extended basename untouched.. */ | |
376 | if (!dot || i > baselen) { | |
377 | if (!iskeychar(c) || | |
378 | (i == baselen + 1 && !isalpha(c))) { | |
379 | if (!quiet) | |
380 | error("invalid key: %s", key); | |
381 | goto out_free_ret_1; | |
382 | } | |
383 | c = tolower(c); | |
384 | } else if (c == '\n') { | |
385 | if (!quiet) | |
386 | error("invalid key (newline): %s", key); | |
387 | goto out_free_ret_1; | |
388 | } | |
389 | if (store_key) | |
390 | (*store_key)[i] = c; | |
391 | } | |
392 | ||
393 | return 0; | |
394 | ||
395 | out_free_ret_1: | |
396 | if (store_key) { | |
6a83d902 | 397 | FREE_AND_NULL(*store_key); |
ee98df3f JH |
398 | } |
399 | return -CONFIG_INVALID_KEY; | |
400 | } | |
401 | ||
402 | int git_config_parse_key(const char *key, char **store_key, int *baselen) | |
403 | { | |
404 | return git_config_parse_key_1(key, store_key, baselen, 0); | |
405 | } | |
406 | ||
407 | int git_config_key_is_valid(const char *key) | |
408 | { | |
409 | return !git_config_parse_key_1(key, NULL, NULL, 1); | |
410 | } | |
411 | ||
2496844b JK |
412 | int git_config_parse_parameter(const char *text, |
413 | config_fn_t fn, void *data) | |
8b1fa778 | 414 | { |
a789ca70 | 415 | const char *value; |
1274a155 | 416 | char *canonical_name; |
572e4f6a | 417 | struct strbuf **pair; |
1274a155 | 418 | int ret; |
a789ca70 | 419 | |
f77bccae | 420 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
421 | if (!pair[0]) |
422 | return error("bogus config parameter: %s", text); | |
a789ca70 JH |
423 | |
424 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 425 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
426 | value = pair[1] ? pair[1]->buf : ""; |
427 | } else { | |
428 | value = NULL; | |
429 | } | |
430 | ||
572e4f6a AR |
431 | strbuf_trim(pair[0]); |
432 | if (!pair[0]->len) { | |
433 | strbuf_list_free(pair); | |
06eb708f | 434 | return error("bogus config parameter: %s", text); |
8b1fa778 | 435 | } |
1274a155 JH |
436 | |
437 | if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) { | |
438 | ret = -1; | |
439 | } else { | |
440 | ret = (fn(canonical_name, value, data) < 0) ? -1 : 0; | |
441 | free(canonical_name); | |
572e4f6a AR |
442 | } |
443 | strbuf_list_free(pair); | |
1274a155 | 444 | return ret; |
8b1fa778 AR |
445 | } |
446 | ||
06eb708f JK |
447 | int git_config_from_parameters(config_fn_t fn, void *data) |
448 | { | |
2b64fc89 | 449 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
a77d6db6 | 450 | int ret = 0; |
2b64fc89 JK |
451 | char *envw; |
452 | const char **argv = NULL; | |
453 | int nr = 0, alloc = 0; | |
454 | int i; | |
3258258f | 455 | struct config_source source; |
2b64fc89 JK |
456 | |
457 | if (!env) | |
458 | return 0; | |
3258258f JK |
459 | |
460 | memset(&source, 0, sizeof(source)); | |
461 | source.prev = cf; | |
1b8132d9 | 462 | source.origin_type = CONFIG_ORIGIN_CMDLINE; |
3258258f JK |
463 | cf = &source; |
464 | ||
2b64fc89 JK |
465 | /* sq_dequote will write over it */ |
466 | envw = xstrdup(env); | |
467 | ||
468 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
a77d6db6 JK |
469 | ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT); |
470 | goto out; | |
2b64fc89 JK |
471 | } |
472 | ||
473 | for (i = 0; i < nr; i++) { | |
06eb708f | 474 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
a77d6db6 JK |
475 | ret = -1; |
476 | goto out; | |
2b64fc89 JK |
477 | } |
478 | } | |
479 | ||
a77d6db6 | 480 | out: |
2b64fc89 JK |
481 | free(argv); |
482 | free(envw); | |
3258258f | 483 | cf = source.prev; |
a77d6db6 | 484 | return ret; |
2b64fc89 JK |
485 | } |
486 | ||
17712991 LT |
487 | static int get_next_char(void) |
488 | { | |
49d6cfa5 | 489 | int c = cf->do_fgetc(cf); |
17712991 | 490 | |
dbb9a812 HV |
491 | if (c == '\r') { |
492 | /* DOS like systems */ | |
49d6cfa5 | 493 | c = cf->do_fgetc(cf); |
dbb9a812 | 494 | if (c != '\n') { |
5e0be134 JK |
495 | if (c != EOF) |
496 | cf->do_ungetc(c, cf); | |
dbb9a812 | 497 | c = '\r'; |
17712991 LT |
498 | } |
499 | } | |
dbb9a812 HV |
500 | if (c == '\n') |
501 | cf->linenr++; | |
502 | if (c == EOF) { | |
503 | cf->eof = 1; | |
b3b3f60b | 504 | cf->linenr++; |
dbb9a812 HV |
505 | c = '\n'; |
506 | } | |
17712991 LT |
507 | return c; |
508 | } | |
509 | ||
510 | static char *parse_value(void) | |
511 | { | |
e96c19c5 | 512 | int quote = 0, comment = 0, space = 0; |
17712991 | 513 | |
924aaf3e | 514 | strbuf_reset(&cf->value); |
17712991 LT |
515 | for (;;) { |
516 | int c = get_next_char(); | |
17712991 | 517 | if (c == '\n') { |
4b340593 MS |
518 | if (quote) { |
519 | cf->linenr--; | |
17712991 | 520 | return NULL; |
4b340593 | 521 | } |
924aaf3e | 522 | return cf->value.buf; |
17712991 LT |
523 | } |
524 | if (comment) | |
525 | continue; | |
526 | if (isspace(c) && !quote) { | |
924aaf3e | 527 | if (cf->value.len) |
ebdaae37 | 528 | space++; |
17712991 LT |
529 | continue; |
530 | } | |
7ebdba61 JS |
531 | if (!quote) { |
532 | if (c == ';' || c == '#') { | |
533 | comment = 1; | |
534 | continue; | |
535 | } | |
536 | } | |
ebdaae37 | 537 | for (; space; space--) |
924aaf3e | 538 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
539 | if (c == '\\') { |
540 | c = get_next_char(); | |
541 | switch (c) { | |
542 | case '\n': | |
543 | continue; | |
544 | case 't': | |
545 | c = '\t'; | |
546 | break; | |
547 | case 'b': | |
548 | c = '\b'; | |
549 | break; | |
550 | case 'n': | |
551 | c = '\n'; | |
552 | break; | |
5cbb401d LT |
553 | /* Some characters escape as themselves */ |
554 | case '\\': case '"': | |
555 | break; | |
556 | /* Reject unknown escape sequences */ | |
557 | default: | |
558 | return NULL; | |
17712991 | 559 | } |
924aaf3e | 560 | strbuf_addch(&cf->value, c); |
17712991 LT |
561 | continue; |
562 | } | |
563 | if (c == '"') { | |
564 | quote = 1-quote; | |
565 | continue; | |
566 | } | |
924aaf3e | 567 | strbuf_addch(&cf->value, c); |
17712991 LT |
568 | } |
569 | } | |
570 | ||
0971e992 | 571 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
572 | { |
573 | int c; | |
574 | char *value; | |
b3b3f60b | 575 | int ret; |
17712991 LT |
576 | |
577 | /* Get the full name */ | |
578 | for (;;) { | |
579 | c = get_next_char(); | |
924aaf3e | 580 | if (cf->eof) |
17712991 | 581 | break; |
38c5afa8 | 582 | if (!iskeychar(c)) |
17712991 | 583 | break; |
0971e992 | 584 | strbuf_addch(name, tolower(c)); |
17712991 | 585 | } |
0971e992 | 586 | |
17712991 LT |
587 | while (c == ' ' || c == '\t') |
588 | c = get_next_char(); | |
589 | ||
590 | value = NULL; | |
591 | if (c != '\n') { | |
592 | if (c != '=') | |
593 | return -1; | |
594 | value = parse_value(); | |
595 | if (!value) | |
596 | return -1; | |
597 | } | |
b3b3f60b MM |
598 | /* |
599 | * We already consumed the \n, but we need linenr to point to | |
600 | * the line we just parsed during the call to fn to get | |
601 | * accurate line number in error messages. | |
602 | */ | |
603 | cf->linenr--; | |
604 | ret = fn(name->buf, value, data); | |
e2e14251 JS |
605 | if (ret >= 0) |
606 | cf->linenr++; | |
b3b3f60b | 607 | return ret; |
17712991 LT |
608 | } |
609 | ||
0971e992 | 610 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
611 | { |
612 | do { | |
613 | if (c == '\n') | |
4b340593 | 614 | goto error_incomplete_line; |
d14f7764 LT |
615 | c = get_next_char(); |
616 | } while (isspace(c)); | |
617 | ||
618 | /* We require the format to be '[base "extension"]' */ | |
619 | if (c != '"') | |
620 | return -1; | |
0971e992 | 621 | strbuf_addch(name, '.'); |
d14f7764 LT |
622 | |
623 | for (;;) { | |
624 | int c = get_next_char(); | |
625 | if (c == '\n') | |
4b340593 | 626 | goto error_incomplete_line; |
d14f7764 LT |
627 | if (c == '"') |
628 | break; | |
629 | if (c == '\\') { | |
630 | c = get_next_char(); | |
631 | if (c == '\n') | |
4b340593 | 632 | goto error_incomplete_line; |
d14f7764 | 633 | } |
0971e992 | 634 | strbuf_addch(name, c); |
d14f7764 LT |
635 | } |
636 | ||
637 | /* Final ']' */ | |
638 | if (get_next_char() != ']') | |
639 | return -1; | |
0971e992 | 640 | return 0; |
4b340593 MS |
641 | error_incomplete_line: |
642 | cf->linenr--; | |
643 | return -1; | |
d14f7764 LT |
644 | } |
645 | ||
0971e992 | 646 | static int get_base_var(struct strbuf *name) |
17712991 | 647 | { |
17712991 LT |
648 | for (;;) { |
649 | int c = get_next_char(); | |
924aaf3e | 650 | if (cf->eof) |
17712991 LT |
651 | return -1; |
652 | if (c == ']') | |
0971e992 | 653 | return 0; |
d14f7764 | 654 | if (isspace(c)) |
0971e992 | 655 | return get_extended_base_var(name, c); |
38c5afa8 | 656 | if (!iskeychar(c) && c != '.') |
17712991 | 657 | return -1; |
0971e992 | 658 | strbuf_addch(name, tolower(c)); |
17712991 LT |
659 | } |
660 | } | |
661 | ||
4d8dd149 | 662 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
663 | { |
664 | int comment = 0; | |
665 | int baselen = 0; | |
0971e992 | 666 | struct strbuf *var = &cf->var; |
1b8132d9 VA |
667 | int error_return = 0; |
668 | char *error_msg = NULL; | |
17712991 | 669 | |
de056402 | 670 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 671 | const char *bomptr = utf8_bom; |
de056402 | 672 | |
17712991 LT |
673 | for (;;) { |
674 | int c = get_next_char(); | |
de056402 PB |
675 | if (bomptr && *bomptr) { |
676 | /* We are at the file beginning; skip UTF8-encoded BOM | |
677 | * if present. Sane editors won't put this in on their | |
678 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 679 | if (c == (*bomptr & 0377)) { |
de056402 PB |
680 | bomptr++; |
681 | continue; | |
682 | } else { | |
683 | /* Do not tolerate partial BOM. */ | |
684 | if (bomptr != utf8_bom) | |
685 | break; | |
686 | /* No BOM at file beginning. Cool. */ | |
687 | bomptr = NULL; | |
688 | } | |
689 | } | |
17712991 | 690 | if (c == '\n') { |
924aaf3e | 691 | if (cf->eof) |
17712991 LT |
692 | return 0; |
693 | comment = 0; | |
694 | continue; | |
695 | } | |
696 | if (comment || isspace(c)) | |
697 | continue; | |
698 | if (c == '#' || c == ';') { | |
699 | comment = 1; | |
700 | continue; | |
701 | } | |
702 | if (c == '[') { | |
0971e992 BW |
703 | /* Reset prior to determining a new stem */ |
704 | strbuf_reset(var); | |
705 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 706 | break; |
0971e992 BW |
707 | strbuf_addch(var, '.'); |
708 | baselen = var->len; | |
17712991 LT |
709 | continue; |
710 | } | |
711 | if (!isalpha(c)) | |
712 | break; | |
0971e992 BW |
713 | /* |
714 | * Truncate the var name back to the section header | |
715 | * stem prior to grabbing the suffix part of the name | |
716 | * and the value. | |
717 | */ | |
718 | strbuf_setlen(var, baselen); | |
719 | strbuf_addch(var, tolower(c)); | |
720 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
721 | break; |
722 | } | |
1b8132d9 VA |
723 | |
724 | switch (cf->origin_type) { | |
725 | case CONFIG_ORIGIN_BLOB: | |
726 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
727 | cf->linenr, cf->name); | |
728 | break; | |
729 | case CONFIG_ORIGIN_FILE: | |
730 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
731 | cf->linenr, cf->name); | |
732 | break; | |
733 | case CONFIG_ORIGIN_STDIN: | |
734 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
735 | cf->linenr); | |
736 | break; | |
737 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
738 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
739 | cf->linenr, cf->name); | |
740 | break; | |
741 | case CONFIG_ORIGIN_CMDLINE: | |
742 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
743 | cf->linenr, cf->name); | |
744 | break; | |
745 | default: | |
746 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
747 | cf->linenr, cf->name); | |
748 | } | |
749 | ||
b2dc0945 | 750 | if (cf->die_on_error) |
1b8132d9 | 751 | die("%s", error_msg); |
b2dc0945 | 752 | else |
1b8132d9 VA |
753 | error_return = error("%s", error_msg); |
754 | ||
755 | free(error_msg); | |
756 | return error_return; | |
17712991 LT |
757 | } |
758 | ||
ebaa1bd4 | 759 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
760 | { |
761 | if (!*end) | |
762 | return 1; | |
c8deb5a1 SP |
763 | else if (!strcasecmp(end, "k")) { |
764 | *val *= 1024; | |
765 | return 1; | |
766 | } | |
767 | else if (!strcasecmp(end, "m")) { | |
768 | *val *= 1024 * 1024; | |
769 | return 1; | |
770 | } | |
771 | else if (!strcasecmp(end, "g")) { | |
772 | *val *= 1024 * 1024 * 1024; | |
773 | return 1; | |
774 | } | |
775 | return 0; | |
0b87b6e0 BD |
776 | } |
777 | ||
7192777d | 778 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
779 | { |
780 | if (value && *value) { | |
781 | char *end; | |
ebaa1bd4 NA |
782 | intmax_t val; |
783 | uintmax_t uval; | |
784 | uintmax_t factor = 1; | |
785 | ||
786 | errno = 0; | |
787 | val = strtoimax(value, &end, 0); | |
788 | if (errno == ERANGE) | |
789 | return 0; | |
33fdd77e JK |
790 | if (!parse_unit_factor(end, &factor)) { |
791 | errno = EINVAL; | |
c8deb5a1 | 792 | return 0; |
33fdd77e | 793 | } |
83915ba5 | 794 | uval = labs(val); |
ebaa1bd4 | 795 | uval *= factor; |
83915ba5 | 796 | if (uval > max || labs(val) > uval) { |
33fdd77e | 797 | errno = ERANGE; |
ebaa1bd4 | 798 | return 0; |
33fdd77e | 799 | } |
ebaa1bd4 NA |
800 | val *= factor; |
801 | *ret = val; | |
0b87b6e0 BD |
802 | return 1; |
803 | } | |
33fdd77e | 804 | errno = EINVAL; |
0b87b6e0 BD |
805 | return 0; |
806 | } | |
807 | ||
0b4dc661 | 808 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
809 | { |
810 | if (value && *value) { | |
811 | char *end; | |
ebaa1bd4 NA |
812 | uintmax_t val; |
813 | uintmax_t oldval; | |
814 | ||
815 | errno = 0; | |
816 | val = strtoumax(value, &end, 0); | |
817 | if (errno == ERANGE) | |
818 | return 0; | |
819 | oldval = val; | |
33fdd77e JK |
820 | if (!parse_unit_factor(end, &val)) { |
821 | errno = EINVAL; | |
c8deb5a1 | 822 | return 0; |
33fdd77e JK |
823 | } |
824 | if (val > max || oldval > val) { | |
825 | errno = ERANGE; | |
ebaa1bd4 | 826 | return 0; |
33fdd77e | 827 | } |
c8deb5a1 | 828 | *ret = val; |
0b87b6e0 | 829 | return 1; |
17712991 | 830 | } |
33fdd77e | 831 | errno = EINVAL; |
0b87b6e0 BD |
832 | return 0; |
833 | } | |
834 | ||
42d194e9 | 835 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 836 | { |
7192777d | 837 | intmax_t tmp; |
42d194e9 | 838 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
839 | return 0; |
840 | *ret = tmp; | |
841 | return 1; | |
842 | } | |
843 | ||
00160242 JK |
844 | static int git_parse_int64(const char *value, int64_t *ret) |
845 | { | |
846 | intmax_t tmp; | |
847 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
848 | return 0; | |
849 | *ret = tmp; | |
850 | return 1; | |
851 | } | |
852 | ||
7192777d JK |
853 | int git_parse_ulong(const char *value, unsigned long *ret) |
854 | { | |
855 | uintmax_t tmp; | |
856 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
857 | return 0; | |
858 | *ret = tmp; | |
859 | return 1; | |
860 | } | |
861 | ||
37ee680d DT |
862 | static int git_parse_ssize_t(const char *value, ssize_t *ret) |
863 | { | |
864 | intmax_t tmp; | |
865 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t))) | |
866 | return 0; | |
867 | *ret = tmp; | |
868 | return 1; | |
869 | } | |
870 | ||
06bdc23b | 871 | NORETURN |
2f666581 | 872 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 873 | { |
078fe305 JNA |
874 | const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit"); |
875 | ||
2f666581 JK |
876 | if (!value) |
877 | value = ""; | |
878 | ||
1b8132d9 | 879 | if (!(cf && cf->name)) |
078fe305 JNA |
880 | die(_("bad numeric config value '%s' for '%s': %s"), |
881 | value, name, error_type); | |
1b8132d9 VA |
882 | |
883 | switch (cf->origin_type) { | |
884 | case CONFIG_ORIGIN_BLOB: | |
078fe305 JNA |
885 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
886 | value, name, cf->name, error_type); | |
1b8132d9 | 887 | case CONFIG_ORIGIN_FILE: |
078fe305 JNA |
888 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
889 | value, name, cf->name, error_type); | |
1b8132d9 | 890 | case CONFIG_ORIGIN_STDIN: |
078fe305 JNA |
891 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
892 | value, name, error_type); | |
1b8132d9 | 893 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 JNA |
894 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
895 | value, name, cf->name, error_type); | |
1b8132d9 | 896 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 JNA |
897 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
898 | value, name, cf->name, error_type); | |
1b8132d9 | 899 | default: |
078fe305 JNA |
900 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
901 | value, name, cf->name, error_type); | |
1b8132d9 | 902 | } |
c1867cea JK |
903 | } |
904 | ||
0b87b6e0 BD |
905 | int git_config_int(const char *name, const char *value) |
906 | { | |
42d194e9 JK |
907 | int ret; |
908 | if (!git_parse_int(value, &ret)) | |
2f666581 | 909 | die_bad_number(name, value); |
0b87b6e0 BD |
910 | return ret; |
911 | } | |
912 | ||
00160242 JK |
913 | int64_t git_config_int64(const char *name, const char *value) |
914 | { | |
915 | int64_t ret; | |
916 | if (!git_parse_int64(value, &ret)) | |
917 | die_bad_number(name, value); | |
0b87b6e0 BD |
918 | return ret; |
919 | } | |
920 | ||
921 | unsigned long git_config_ulong(const char *name, const char *value) | |
922 | { | |
923 | unsigned long ret; | |
924 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 925 | die_bad_number(name, value); |
0b87b6e0 | 926 | return ret; |
17712991 LT |
927 | } |
928 | ||
37ee680d DT |
929 | ssize_t git_config_ssize_t(const char *name, const char *value) |
930 | { | |
931 | ssize_t ret; | |
932 | if (!git_parse_ssize_t(value, &ret)) | |
933 | die_bad_number(name, value); | |
934 | return ret; | |
935 | } | |
936 | ||
9a549d43 | 937 | int git_parse_maybe_bool(const char *value) |
17712991 LT |
938 | { |
939 | if (!value) | |
940 | return 1; | |
941 | if (!*value) | |
942 | return 0; | |
8420ccd8 JH |
943 | if (!strcasecmp(value, "true") |
944 | || !strcasecmp(value, "yes") | |
945 | || !strcasecmp(value, "on")) | |
17712991 | 946 | return 1; |
8420ccd8 JH |
947 | if (!strcasecmp(value, "false") |
948 | || !strcasecmp(value, "no") | |
949 | || !strcasecmp(value, "off")) | |
17712991 | 950 | return 0; |
8420ccd8 JH |
951 | return -1; |
952 | } | |
953 | ||
b2be2f6a JK |
954 | int git_config_maybe_bool(const char *name, const char *value) |
955 | { | |
9a549d43 | 956 | int v = git_parse_maybe_bool(value); |
b2be2f6a JK |
957 | if (0 <= v) |
958 | return v; | |
42d194e9 | 959 | if (git_parse_int(value, &v)) |
db6195ef | 960 | return !!v; |
b2be2f6a JK |
961 | return -1; |
962 | } | |
963 | ||
8420ccd8 JH |
964 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
965 | { | |
9a549d43 | 966 | int v = git_parse_maybe_bool(value); |
8420ccd8 JH |
967 | if (0 <= v) { |
968 | *is_bool = 1; | |
969 | return v; | |
970 | } | |
a53f2ec6 | 971 | *is_bool = 0; |
c35b0b58 | 972 | return git_config_int(name, value); |
17712991 LT |
973 | } |
974 | ||
a53f2ec6 JH |
975 | int git_config_bool(const char *name, const char *value) |
976 | { | |
977 | int discard; | |
c35b0b58 | 978 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
979 | } |
980 | ||
ea5105a5 CC |
981 | int git_config_string(const char **dest, const char *var, const char *value) |
982 | { | |
983 | if (!value) | |
984 | return config_error_nonbool(var); | |
985 | *dest = xstrdup(value); | |
986 | return 0; | |
987 | } | |
988 | ||
395de250 MM |
989 | int git_config_pathname(const char **dest, const char *var, const char *value) |
990 | { | |
991 | if (!value) | |
992 | return config_error_nonbool(var); | |
4aad2f16 | 993 | *dest = expand_user_path(value, 0); |
395de250 | 994 | if (!*dest) |
8262aaa2 | 995 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
996 | return 0; |
997 | } | |
998 | ||
806e2ad7 | 999 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
1000 | { |
1001 | /* This needs a better name */ | |
1002 | if (!strcmp(var, "core.filemode")) { | |
1003 | trust_executable_bit = git_config_bool(var, value); | |
1004 | return 0; | |
1005 | } | |
1ce4790b AR |
1006 | if (!strcmp(var, "core.trustctime")) { |
1007 | trust_ctime = git_config_bool(var, value); | |
1008 | return 0; | |
1009 | } | |
c1b5d738 | 1010 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
1011 | if (!strcasecmp(value, "default")) |
1012 | check_stat = 1; | |
1013 | else if (!strcasecmp(value, "minimal")) | |
1014 | check_stat = 0; | |
1015 | } | |
17712991 | 1016 | |
9378c161 JH |
1017 | if (!strcmp(var, "core.quotepath")) { |
1018 | quote_path_fully = git_config_bool(var, value); | |
1019 | return 0; | |
1020 | } | |
1021 | ||
78a8d641 JS |
1022 | if (!strcmp(var, "core.symlinks")) { |
1023 | has_symlinks = git_config_bool(var, value); | |
1024 | return 0; | |
1025 | } | |
1026 | ||
0a9b88b7 LT |
1027 | if (!strcmp(var, "core.ignorecase")) { |
1028 | ignore_case = git_config_bool(var, value); | |
1029 | return 0; | |
1030 | } | |
1031 | ||
64589a03 JH |
1032 | if (!strcmp(var, "core.attributesfile")) |
1033 | return git_config_pathname(&git_attributes_file, var, value); | |
1034 | ||
867ad08a ÆAB |
1035 | if (!strcmp(var, "core.hookspath")) |
1036 | return git_config_pathname(&git_hooks_path, var, value); | |
1037 | ||
7d1864ce JH |
1038 | if (!strcmp(var, "core.bare")) { |
1039 | is_bare_repository_cfg = git_config_bool(var, value); | |
1040 | return 0; | |
1041 | } | |
1042 | ||
5f73076c JH |
1043 | if (!strcmp(var, "core.ignorestat")) { |
1044 | assume_unchanged = git_config_bool(var, value); | |
1045 | return 0; | |
1046 | } | |
1047 | ||
e388c738 JH |
1048 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
1049 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
1050 | return 0; |
1051 | } | |
1052 | ||
6de08ae6 | 1053 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
1054 | if (value && !strcasecmp(value, "always")) |
1055 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
1056 | else if (git_config_bool(var, value)) | |
1057 | log_all_ref_updates = LOG_REFS_NORMAL; | |
1058 | else | |
1059 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
1060 | return 0; |
1061 | } | |
1062 | ||
2f8acdb3 JH |
1063 | if (!strcmp(var, "core.warnambiguousrefs")) { |
1064 | warn_ambiguous_refs = git_config_bool(var, value); | |
1065 | return 0; | |
1066 | } | |
1067 | ||
a71f09fe | 1068 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
1069 | if (!value) |
1070 | return config_error_nonbool(var); | |
1071 | if (!strcasecmp(value, "auto")) | |
1072 | default_abbrev = -1; | |
1073 | else { | |
1074 | int abbrev = git_config_int(var, value); | |
1075 | if (abbrev < minimum_abbrev || abbrev > 40) | |
1076 | return error("abbrev length out of range: %d", abbrev); | |
1077 | default_abbrev = abbrev; | |
1078 | } | |
dce96489 LT |
1079 | return 0; |
1080 | } | |
1081 | ||
5b33cb1f JK |
1082 | if (!strcmp(var, "core.disambiguate")) |
1083 | return set_disambiguate_hint_config(var, value); | |
1084 | ||
960ccca6 | 1085 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
1086 | int level = git_config_int(var, value); |
1087 | if (level == -1) | |
1088 | level = Z_DEFAULT_COMPRESSION; | |
1089 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1090 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 1091 | zlib_compression_level = level; |
960ccca6 DH |
1092 | zlib_compression_seen = 1; |
1093 | return 0; | |
1094 | } | |
1095 | ||
1096 | if (!strcmp(var, "core.compression")) { | |
1097 | int level = git_config_int(var, value); | |
1098 | if (level == -1) | |
1099 | level = Z_DEFAULT_COMPRESSION; | |
1100 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1101 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
1102 | core_compression_level = level; |
1103 | core_compression_seen = 1; | |
1104 | if (!zlib_compression_seen) | |
1105 | zlib_compression_level = level; | |
8de7eeb5 JH |
1106 | if (!pack_compression_seen) |
1107 | pack_compression_level = level; | |
12f6c308 JBH |
1108 | return 0; |
1109 | } | |
1110 | ||
60bb8b14 | 1111 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 1112 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 1113 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
1114 | |
1115 | /* This value must be multiple of (pagesize * 2) */ | |
1116 | packed_git_window_size /= pgsz_x2; | |
1117 | if (packed_git_window_size < 1) | |
1118 | packed_git_window_size = 1; | |
1119 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
1120 | return 0; |
1121 | } | |
1122 | ||
15366280 | 1123 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 1124 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
1125 | return 0; |
1126 | } | |
1127 | ||
77ccc5bb | 1128 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 1129 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
1130 | return 0; |
1131 | } | |
1132 | ||
18bdec11 | 1133 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 1134 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
1135 | return 0; |
1136 | } | |
1137 | ||
6c510bee | 1138 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 1139 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 1140 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
1141 | return 0; |
1142 | } | |
6c510bee LT |
1143 | auto_crlf = git_config_bool(var, value); |
1144 | return 0; | |
1145 | } | |
1146 | ||
21e5ad50 SP |
1147 | if (!strcmp(var, "core.safecrlf")) { |
1148 | if (value && !strcasecmp(value, "warn")) { | |
1149 | safe_crlf = SAFE_CRLF_WARN; | |
1150 | return 0; | |
1151 | } | |
1152 | safe_crlf = git_config_bool(var, value); | |
1153 | return 0; | |
1154 | } | |
1155 | ||
942e7747 EB |
1156 | if (!strcmp(var, "core.eol")) { |
1157 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 1158 | core_eol = EOL_LF; |
942e7747 | 1159 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 1160 | core_eol = EOL_CRLF; |
942e7747 | 1161 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 1162 | core_eol = EOL_NATIVE; |
942e7747 | 1163 | else |
ec70f52f | 1164 | core_eol = EOL_UNSET; |
942e7747 EB |
1165 | return 0; |
1166 | } | |
1167 | ||
a97a7468 JS |
1168 | if (!strcmp(var, "core.notesref")) { |
1169 | notes_ref_name = xstrdup(value); | |
1170 | return 0; | |
1171 | } | |
1172 | ||
806e2ad7 LT |
1173 | if (!strcmp(var, "core.editor")) |
1174 | return git_config_string(&editor_program, var, value); | |
1175 | ||
eff80a9f | 1176 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
1177 | if (!value) |
1178 | return config_error_nonbool(var); | |
ad524f83 | 1179 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 1180 | auto_comment_line_char = 1; |
ad524f83 | 1181 | else if (value[0] && !value[1]) { |
649409b7 | 1182 | comment_line_char = value[0]; |
84c9dc2c | 1183 | auto_comment_line_char = 0; |
50b54fd7 NTND |
1184 | } else |
1185 | return error("core.commentChar should only be one character"); | |
1186 | return 0; | |
eff80a9f JH |
1187 | } |
1188 | ||
d3e7da89 AK |
1189 | if (!strcmp(var, "core.askpass")) |
1190 | return git_config_string(&askpass_program, var, value); | |
1191 | ||
806e2ad7 | 1192 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 1193 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
1194 | |
1195 | if (!strcmp(var, "core.whitespace")) { | |
1196 | if (!value) | |
1197 | return config_error_nonbool(var); | |
1198 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
1199 | return 0; | |
1200 | } | |
1201 | ||
aafe9fba LT |
1202 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
1203 | fsync_object_files = git_config_bool(var, value); | |
1204 | return 0; | |
1205 | } | |
1206 | ||
671c9b7e LT |
1207 | if (!strcmp(var, "core.preloadindex")) { |
1208 | core_preload_index = git_config_bool(var, value); | |
1209 | return 0; | |
1210 | } | |
1211 | ||
348df166 JS |
1212 | if (!strcmp(var, "core.createobject")) { |
1213 | if (!strcmp(value, "rename")) | |
1214 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
1215 | else if (!strcmp(value, "link")) | |
1216 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
1217 | else | |
8262aaa2 | 1218 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
1219 | return 0; |
1220 | } | |
1221 | ||
08aefc9e NTND |
1222 | if (!strcmp(var, "core.sparsecheckout")) { |
1223 | core_apply_sparse_checkout = git_config_bool(var, value); | |
1224 | return 0; | |
1225 | } | |
1226 | ||
76759c7d TB |
1227 | if (!strcmp(var, "core.precomposeunicode")) { |
1228 | precomposed_unicode = git_config_bool(var, value); | |
1229 | return 0; | |
1230 | } | |
1231 | ||
a42643aa JK |
1232 | if (!strcmp(var, "core.protecthfs")) { |
1233 | protect_hfs = git_config_bool(var, value); | |
1234 | return 0; | |
1235 | } | |
1236 | ||
2b4c6efc JS |
1237 | if (!strcmp(var, "core.protectntfs")) { |
1238 | protect_ntfs = git_config_bool(var, value); | |
1239 | return 0; | |
76759c7d TB |
1240 | } |
1241 | ||
f30afdab JS |
1242 | if (!strcmp(var, "core.hidedotfiles")) { |
1243 | if (value && !strcasecmp(value, "dotgitonly")) | |
1244 | hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; | |
1245 | else | |
1246 | hide_dotfiles = git_config_bool(var, value); | |
1247 | return 0; | |
1248 | } | |
1249 | ||
806e2ad7 LT |
1250 | /* Add other config variables here and to Documentation/config.txt. */ |
1251 | return 0; | |
1252 | } | |
1253 | ||
1141f492 | 1254 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1255 | { |
ea5105a5 CC |
1256 | if (!strcmp(var, "i18n.commitencoding")) |
1257 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1258 | |
ea5105a5 CC |
1259 | if (!strcmp(var, "i18n.logoutputencoding")) |
1260 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1261 | |
1141f492 LT |
1262 | /* Add other config variables here and to Documentation/config.txt. */ |
1263 | return 0; | |
1264 | } | |
039bc64e | 1265 | |
1141f492 LT |
1266 | static int git_default_branch_config(const char *var, const char *value) |
1267 | { | |
9ed36cfa JS |
1268 | if (!strcmp(var, "branch.autosetupmerge")) { |
1269 | if (value && !strcasecmp(value, "always")) { | |
1270 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
1271 | return 0; | |
1272 | } | |
1273 | git_branch_track = git_config_bool(var, value); | |
1274 | return 0; | |
1275 | } | |
c998ae9b DS |
1276 | if (!strcmp(var, "branch.autosetuprebase")) { |
1277 | if (!value) | |
1278 | return config_error_nonbool(var); | |
1279 | else if (!strcmp(value, "never")) | |
1280 | autorebase = AUTOREBASE_NEVER; | |
1281 | else if (!strcmp(value, "local")) | |
1282 | autorebase = AUTOREBASE_LOCAL; | |
1283 | else if (!strcmp(value, "remote")) | |
1284 | autorebase = AUTOREBASE_REMOTE; | |
1285 | else if (!strcmp(value, "always")) | |
1286 | autorebase = AUTOREBASE_ALWAYS; | |
1287 | else | |
8c3ca351 | 1288 | return error("malformed value for %s", var); |
c998ae9b DS |
1289 | return 0; |
1290 | } | |
a9cc857a | 1291 | |
1ab661dd | 1292 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1293 | return 0; |
1294 | } | |
1295 | ||
52153747 FAG |
1296 | static int git_default_push_config(const char *var, const char *value) |
1297 | { | |
1298 | if (!strcmp(var, "push.default")) { | |
1299 | if (!value) | |
1300 | return config_error_nonbool(var); | |
1301 | else if (!strcmp(value, "nothing")) | |
1302 | push_default = PUSH_DEFAULT_NOTHING; | |
1303 | else if (!strcmp(value, "matching")) | |
1304 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1305 | else if (!strcmp(value, "simple")) |
1306 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1307 | else if (!strcmp(value, "upstream")) |
1308 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1309 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1310 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1311 | else if (!strcmp(value, "current")) |
1312 | push_default = PUSH_DEFAULT_CURRENT; | |
1313 | else { | |
8c3ca351 | 1314 | error("malformed value for %s: %s", var, value); |
b55e6775 MM |
1315 | return error("Must be one of nothing, matching, simple, " |
1316 | "upstream or current."); | |
52153747 FAG |
1317 | } |
1318 | return 0; | |
1319 | } | |
1320 | ||
1321 | /* Add other config variables here and to Documentation/config.txt. */ | |
1322 | return 0; | |
1323 | } | |
1324 | ||
d551a488 MSO |
1325 | static int git_default_mailmap_config(const char *var, const char *value) |
1326 | { | |
1327 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1328 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1329 | if (!strcmp(var, "mailmap.blob")) |
1330 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1331 | |
1332 | /* Add other config variables here and to Documentation/config.txt. */ | |
1333 | return 0; | |
1334 | } | |
1335 | ||
1141f492 LT |
1336 | int git_default_config(const char *var, const char *value, void *dummy) |
1337 | { | |
59556548 | 1338 | if (starts_with(var, "core.")) |
1141f492 LT |
1339 | return git_default_core_config(var, value); |
1340 | ||
59556548 | 1341 | if (starts_with(var, "user.")) |
9597921b | 1342 | return git_ident_config(var, value, dummy); |
1141f492 | 1343 | |
59556548 | 1344 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1345 | return git_default_i18n_config(var, value); |
1346 | ||
59556548 | 1347 | if (starts_with(var, "branch.")) |
1141f492 LT |
1348 | return git_default_branch_config(var, value); |
1349 | ||
59556548 | 1350 | if (starts_with(var, "push.")) |
52153747 FAG |
1351 | return git_default_push_config(var, value); |
1352 | ||
59556548 | 1353 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1354 | return git_default_mailmap_config(var, value); |
1355 | ||
59556548 | 1356 | if (starts_with(var, "advice.")) |
75194438 JK |
1357 | return git_default_advice_config(var, value); |
1358 | ||
1141f492 LT |
1359 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1360 | pager_use_color = git_config_bool(var,value); | |
1361 | return 0; | |
1362 | } | |
1363 | ||
568508e7 JH |
1364 | if (!strcmp(var, "pack.packsizelimit")) { |
1365 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1366 | return 0; | |
1367 | } | |
8de7eeb5 JH |
1368 | |
1369 | if (!strcmp(var, "pack.compression")) { | |
1370 | int level = git_config_int(var, value); | |
1371 | if (level == -1) | |
1372 | level = Z_DEFAULT_COMPRESSION; | |
1373 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1374 | die(_("bad pack compression level %d"), level); | |
1375 | pack_compression_level = level; | |
1376 | pack_compression_seen = 1; | |
1377 | return 0; | |
1378 | } | |
1379 | ||
1141f492 LT |
1380 | /* Add other config variables here and to Documentation/config.txt. */ |
1381 | return 0; | |
1382 | } | |
1383 | ||
ca4b5de2 | 1384 | /* |
b2dc0945 | 1385 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1386 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1387 | * this function. |
1388 | */ | |
4d8dd149 | 1389 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1390 | { |
1391 | int ret; | |
1392 | ||
1393 | /* push config-file parsing state stack */ | |
1394 | top->prev = cf; | |
1395 | top->linenr = 1; | |
1396 | top->eof = 0; | |
1397 | strbuf_init(&top->value, 1024); | |
1398 | strbuf_init(&top->var, 1024); | |
1399 | cf = top; | |
1400 | ||
4d8dd149 | 1401 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1402 | |
1403 | /* pop config-file parsing state stack */ | |
1404 | strbuf_release(&top->value); | |
1405 | strbuf_release(&top->var); | |
1406 | cf = top->prev; | |
1407 | ||
1408 | return ret; | |
1409 | } | |
1410 | ||
3caec73b | 1411 | static int do_config_from_file(config_fn_t fn, |
1b8132d9 VA |
1412 | const enum config_origin_type origin_type, |
1413 | const char *name, const char *path, FILE *f, | |
473166b9 | 1414 | void *data) |
17712991 | 1415 | { |
3caec73b | 1416 | struct config_source top; |
17712991 | 1417 | |
3caec73b | 1418 | top.u.file = f; |
473166b9 | 1419 | top.origin_type = origin_type; |
3caec73b KS |
1420 | top.name = name; |
1421 | top.path = path; | |
1422 | top.die_on_error = 1; | |
1423 | top.do_fgetc = config_file_fgetc; | |
1424 | top.do_ungetc = config_file_ungetc; | |
1425 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1426 | |
3caec73b KS |
1427 | return do_config_from(&top, fn, data); |
1428 | } | |
924aaf3e | 1429 | |
3caec73b KS |
1430 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1431 | { | |
1b8132d9 | 1432 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, data); |
3caec73b KS |
1433 | } |
1434 | ||
1435 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) | |
1436 | { | |
1437 | int ret = -1; | |
1438 | FILE *f; | |
924aaf3e | 1439 | |
e9d983f1 | 1440 | f = fopen_or_warn(filename, "r"); |
3caec73b | 1441 | if (f) { |
260d408e | 1442 | flockfile(f); |
1b8132d9 | 1443 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data); |
260d408e | 1444 | funlockfile(f); |
17712991 LT |
1445 | fclose(f); |
1446 | } | |
1447 | return ret; | |
1448 | } | |
10bea152 | 1449 | |
1b8132d9 | 1450 | int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_type, |
473166b9 | 1451 | const char *name, const char *buf, size_t len, void *data) |
1bc88819 HV |
1452 | { |
1453 | struct config_source top; | |
1454 | ||
1455 | top.u.buf.buf = buf; | |
1456 | top.u.buf.len = len; | |
1457 | top.u.buf.pos = 0; | |
473166b9 | 1458 | top.origin_type = origin_type; |
1bc88819 | 1459 | top.name = name; |
d14d4244 | 1460 | top.path = NULL; |
b2dc0945 | 1461 | top.die_on_error = 0; |
49d6cfa5 JK |
1462 | top.do_fgetc = config_buf_fgetc; |
1463 | top.do_ungetc = config_buf_ungetc; | |
1464 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1465 | |
1466 | return do_config_from(&top, fn, data); | |
1467 | } | |
1468 | ||
9ebf689a BW |
1469 | int git_config_from_blob_sha1(config_fn_t fn, |
1470 | const char *name, | |
1471 | const unsigned char *sha1, | |
1472 | void *data) | |
1bc88819 HV |
1473 | { |
1474 | enum object_type type; | |
1475 | char *buf; | |
1476 | unsigned long size; | |
1477 | int ret; | |
1478 | ||
1479 | buf = read_sha1_file(sha1, &type, &size); | |
1480 | if (!buf) | |
1481 | return error("unable to load config blob object '%s'", name); | |
1482 | if (type != OBJ_BLOB) { | |
1483 | free(buf); | |
1484 | return error("reference '%s' does not point to a blob", name); | |
1485 | } | |
1486 | ||
1b8132d9 | 1487 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data); |
1bc88819 HV |
1488 | free(buf); |
1489 | ||
1490 | return ret; | |
1491 | } | |
1492 | ||
1493 | static int git_config_from_blob_ref(config_fn_t fn, | |
1494 | const char *name, | |
1495 | void *data) | |
1496 | { | |
1497 | unsigned char sha1[20]; | |
1498 | ||
1499 | if (get_sha1(name, sha1) < 0) | |
1500 | return error("unable to resolve config blob '%s'", name); | |
1501 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1502 | } | |
1503 | ||
506b17b1 JS |
1504 | const char *git_etc_gitconfig(void) |
1505 | { | |
7f0e39fa | 1506 | static const char *system_wide; |
2de9de5e SP |
1507 | if (!system_wide) |
1508 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1509 | return system_wide; |
506b17b1 JS |
1510 | } |
1511 | ||
23b0c478 SP |
1512 | /* |
1513 | * Parse environment variable 'k' as a boolean (in various | |
1514 | * possible spellings); if missing, use the default value 'def'. | |
1515 | */ | |
0ef37164 | 1516 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1517 | { |
1518 | const char *v = getenv(k); | |
1519 | return v ? git_config_bool(k, v) : def; | |
1520 | } | |
1521 | ||
23b0c478 SP |
1522 | /* |
1523 | * Parse environment variable 'k' as ulong with possibly a unit | |
1524 | * suffix; if missing, use the default value 'val'. | |
1525 | */ | |
1526 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1527 | { | |
1528 | const char *v = getenv(k); | |
1529 | if (v && !git_parse_ulong(v, &val)) | |
1530 | die("failed to parse %s", k); | |
1531 | return val; | |
1532 | } | |
1533 | ||
ab88c363 JK |
1534 | int git_config_system(void) |
1535 | { | |
1536 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1537 | } | |
1538 | ||
e145a0bc NTND |
1539 | static int do_git_config_sequence(const struct config_options *opts, |
1540 | config_fn_t fn, void *data) | |
4f629539 | 1541 | { |
c72ee44b | 1542 | int ret = 0; |
509adc33 | 1543 | char *xdg_config = xdg_config_home("config"); |
4aad2f16 | 1544 | char *user_config = expand_user_path("~/.gitconfig", 0); |
e145a0bc NTND |
1545 | char *repo_config; |
1546 | ||
a577fb5f BW |
1547 | if (opts->commondir) |
1548 | repo_config = mkpathdup("%s/config", opts->commondir); | |
e145a0bc NTND |
1549 | else |
1550 | repo_config = NULL; | |
5f1a63e0 | 1551 | |
9acc5911 | 1552 | current_parsing_scope = CONFIG_SCOPE_SYSTEM; |
c72ee44b | 1553 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) |
dc871831 DB |
1554 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1555 | data); | |
5f1a63e0 | 1556 | |
9acc5911 | 1557 | current_parsing_scope = CONFIG_SCOPE_GLOBAL; |
c72ee44b | 1558 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1559 | ret += git_config_from_file(fn, xdg_config, data); |
21cf3227 | 1560 | |
c72ee44b | 1561 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1562 | ret += git_config_from_file(fn, user_config, data); |
5f1a63e0 | 1563 | |
9acc5911 | 1564 | current_parsing_scope = CONFIG_SCOPE_REPO; |
c72ee44b | 1565 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) |
aa387407 | 1566 | ret += git_config_from_file(fn, repo_config, data); |
8b1fa778 | 1567 | |
9acc5911 | 1568 | current_parsing_scope = CONFIG_SCOPE_CMDLINE; |
c72ee44b | 1569 | if (git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 1570 | die(_("unable to parse command-line config")); |
8b1fa778 | 1571 | |
9acc5911 | 1572 | current_parsing_scope = CONFIG_SCOPE_UNKNOWN; |
21cf3227 HKNN |
1573 | free(xdg_config); |
1574 | free(user_config); | |
80181868 | 1575 | free(repo_config); |
c72ee44b | 1576 | return ret; |
4f629539 JH |
1577 | } |
1578 | ||
dc8441fd BW |
1579 | int config_with_options(config_fn_t fn, void *data, |
1580 | struct git_config_source *config_source, | |
1581 | const struct config_options *opts) | |
dbdf5854 | 1582 | { |
9b25a0b5 JK |
1583 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1584 | ||
c48f4b37 | 1585 | if (opts->respect_includes) { |
9b25a0b5 JK |
1586 | inc.fn = fn; |
1587 | inc.data = data; | |
c48f4b37 | 1588 | inc.opts = opts; |
9b25a0b5 JK |
1589 | fn = git_config_include; |
1590 | data = &inc; | |
1591 | } | |
dbdf5854 | 1592 | |
c9b5e2a5 JK |
1593 | /* |
1594 | * If we have a specific filename, use it. Otherwise, follow the | |
1595 | * regular lookup sequence. | |
1596 | */ | |
3caec73b KS |
1597 | if (config_source && config_source->use_stdin) |
1598 | return git_config_from_stdin(fn, data); | |
1599 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1600 | return git_config_from_file(fn, config_source->file, data); |
1601 | else if (config_source && config_source->blob) | |
1602 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1603 | |
e145a0bc | 1604 | return do_git_config_sequence(opts, fn, data); |
dbdf5854 NTND |
1605 | } |
1606 | ||
155ef25f | 1607 | static void git_config_raw(config_fn_t fn, void *data) |
c9b5e2a5 | 1608 | { |
c48f4b37 NTND |
1609 | struct config_options opts = {0}; |
1610 | ||
1611 | opts.respect_includes = 1; | |
dc8441fd BW |
1612 | if (have_git_dir()) { |
1613 | opts.commondir = get_git_common_dir(); | |
1614 | opts.git_dir = get_git_dir(); | |
1615 | } | |
1616 | ||
1617 | if (config_with_options(fn, data, NULL, &opts) < 0) | |
aace4385 | 1618 | /* |
dc8441fd | 1619 | * config_with_options() normally returns only |
c72ee44b | 1620 | * zero, as most errors are fatal, and |
aace4385 TA |
1621 | * non-fatal potential errors are guarded by "if" |
1622 | * statements that are entered only when no error is | |
1623 | * possible. | |
1624 | * | |
1625 | * If we ever encounter a non-fatal error, it means | |
1626 | * something went really wrong and we should stop | |
1627 | * immediately. | |
1628 | */ | |
3a39f61e | 1629 | die(_("unknown error occurred while reading the configuration files")); |
c9b5e2a5 JK |
1630 | } |
1631 | ||
155ef25f | 1632 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1633 | { |
155ef25f TA |
1634 | int i, value_index; |
1635 | struct string_list *values; | |
1636 | struct config_set_element *entry; | |
1637 | struct configset_list *list = &cs->list; | |
155ef25f TA |
1638 | |
1639 | for (i = 0; i < list->nr; i++) { | |
1640 | entry = list->items[i].e; | |
1641 | value_index = list->items[i].value_index; | |
1642 | values = &entry->value_list; | |
0d44a2da JK |
1643 | |
1644 | current_config_kvi = values->items[value_index].util; | |
1645 | ||
1646 | if (fn(entry->key, values->items[value_index].string, data) < 0) | |
1647 | git_die_config_linenr(entry->key, | |
1648 | current_config_kvi->filename, | |
1649 | current_config_kvi->linenr); | |
1650 | ||
1651 | current_config_kvi = NULL; | |
155ef25f TA |
1652 | } |
1653 | } | |
1654 | ||
0654aa57 JS |
1655 | void read_early_config(config_fn_t cb, void *data) |
1656 | { | |
c48f4b37 | 1657 | struct config_options opts = {0}; |
d3fb71b3 BW |
1658 | struct strbuf commondir = STRBUF_INIT; |
1659 | struct strbuf gitdir = STRBUF_INIT; | |
1a27409a | 1660 | |
c48f4b37 | 1661 | opts.respect_includes = 1; |
0654aa57 | 1662 | |
a577fb5f BW |
1663 | if (have_git_dir()) { |
1664 | opts.commondir = get_git_common_dir(); | |
2185fde5 | 1665 | opts.git_dir = get_git_dir(); |
0654aa57 | 1666 | /* |
1a27409a JS |
1667 | * When setup_git_directory() was not yet asked to discover the |
1668 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
1669 | * is any repository config we should use (but unlike | |
1670 | * setup_git_directory_gently(), no global state is changed, most | |
1671 | * notably, the current working directory is still the same after the | |
1672 | * call). | |
0654aa57 | 1673 | */ |
a577fb5f BW |
1674 | } else if (!discover_git_directory(&commondir, &gitdir)) { |
1675 | opts.commondir = commondir.buf; | |
d3fb71b3 | 1676 | opts.git_dir = gitdir.buf; |
a577fb5f | 1677 | } |
2185fde5 | 1678 | |
dc8441fd | 1679 | config_with_options(cb, data, NULL, &opts); |
0654aa57 | 1680 | |
d3fb71b3 BW |
1681 | strbuf_release(&commondir); |
1682 | strbuf_release(&gitdir); | |
0654aa57 JS |
1683 | } |
1684 | ||
155ef25f TA |
1685 | static void git_config_check_init(void); |
1686 | ||
1687 | void git_config(config_fn_t fn, void *data) | |
1688 | { | |
1689 | git_config_check_init(); | |
1690 | configset_iter(&the_config_set, fn, data); | |
c9b5e2a5 JK |
1691 | } |
1692 | ||
3c8687a7 TA |
1693 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
1694 | { | |
1695 | struct config_set_element k; | |
1696 | struct config_set_element *found_entry; | |
1697 | char *normalized_key; | |
3c8687a7 TA |
1698 | /* |
1699 | * `key` may come from the user, so normalize it before using it | |
1700 | * for querying entries from the hashmap. | |
1701 | */ | |
270cd9ea | 1702 | if (git_config_parse_key(key, &normalized_key, NULL)) |
3c8687a7 TA |
1703 | return NULL; |
1704 | ||
1705 | hashmap_entry_init(&k, strhash(normalized_key)); | |
1706 | k.key = normalized_key; | |
1707 | found_entry = hashmap_get(&cs->config_hash, &k, NULL); | |
1708 | free(normalized_key); | |
1709 | return found_entry; | |
1710 | } | |
1711 | ||
1712 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
1713 | { | |
1714 | struct config_set_element *e; | |
3df8fd62 | 1715 | struct string_list_item *si; |
155ef25f | 1716 | struct configset_list_item *l_item; |
3df8fd62 TA |
1717 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
1718 | ||
3c8687a7 TA |
1719 | e = configset_find_element(cs, key); |
1720 | /* | |
1721 | * Since the keys are being fed by git_config*() callback mechanism, they | |
1722 | * are already normalized. So simply add them without any further munging. | |
1723 | */ | |
1724 | if (!e) { | |
1725 | e = xmalloc(sizeof(*e)); | |
1726 | hashmap_entry_init(e, strhash(key)); | |
1727 | e->key = xstrdup(key); | |
1728 | string_list_init(&e->value_list, 1); | |
1729 | hashmap_add(&cs->config_hash, e); | |
1730 | } | |
8c53f071 | 1731 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
1732 | |
1733 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
1734 | l_item = &cs->list.items[cs->list.nr++]; | |
1735 | l_item->e = e; | |
1736 | l_item->value_index = e->value_list.nr - 1; | |
1737 | ||
3258258f JK |
1738 | if (!cf) |
1739 | die("BUG: configset_add_value has no source"); | |
1740 | if (cf->name) { | |
3df8fd62 TA |
1741 | kv_info->filename = strintern(cf->name); |
1742 | kv_info->linenr = cf->linenr; | |
1b8132d9 | 1743 | kv_info->origin_type = cf->origin_type; |
3df8fd62 TA |
1744 | } else { |
1745 | /* for values read from `git_config_from_parameters()` */ | |
1746 | kv_info->filename = NULL; | |
1747 | kv_info->linenr = -1; | |
1b8132d9 | 1748 | kv_info->origin_type = CONFIG_ORIGIN_CMDLINE; |
3df8fd62 | 1749 | } |
9acc5911 | 1750 | kv_info->scope = current_parsing_scope; |
3df8fd62 | 1751 | si->util = kv_info; |
3c8687a7 TA |
1752 | |
1753 | return 0; | |
1754 | } | |
1755 | ||
1756 | static int config_set_element_cmp(const struct config_set_element *e1, | |
1757 | const struct config_set_element *e2, const void *unused) | |
1758 | { | |
1759 | return strcmp(e1->key, e2->key); | |
1760 | } | |
1761 | ||
1762 | void git_configset_init(struct config_set *cs) | |
1763 | { | |
1764 | hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 0); | |
1765 | cs->hash_initialized = 1; | |
155ef25f TA |
1766 | cs->list.nr = 0; |
1767 | cs->list.alloc = 0; | |
1768 | cs->list.items = NULL; | |
3c8687a7 TA |
1769 | } |
1770 | ||
1771 | void git_configset_clear(struct config_set *cs) | |
1772 | { | |
1773 | struct config_set_element *entry; | |
1774 | struct hashmap_iter iter; | |
1775 | if (!cs->hash_initialized) | |
1776 | return; | |
1777 | ||
1778 | hashmap_iter_init(&cs->config_hash, &iter); | |
1779 | while ((entry = hashmap_iter_next(&iter))) { | |
1780 | free(entry->key); | |
3df8fd62 | 1781 | string_list_clear(&entry->value_list, 1); |
3c8687a7 TA |
1782 | } |
1783 | hashmap_free(&cs->config_hash, 1); | |
1784 | cs->hash_initialized = 0; | |
155ef25f TA |
1785 | free(cs->list.items); |
1786 | cs->list.nr = 0; | |
1787 | cs->list.alloc = 0; | |
1788 | cs->list.items = NULL; | |
3c8687a7 TA |
1789 | } |
1790 | ||
1791 | static int config_set_callback(const char *key, const char *value, void *cb) | |
1792 | { | |
1793 | struct config_set *cs = cb; | |
1794 | configset_add_value(cs, key, value); | |
1795 | return 0; | |
1796 | } | |
1797 | ||
1798 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
1799 | { | |
1800 | return git_config_from_file(config_set_callback, filename, cs); | |
1801 | } | |
1802 | ||
1803 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
1804 | { | |
1805 | const struct string_list *values = NULL; | |
1806 | /* | |
1807 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
1808 | * queried key in the files of the configset, the value returned will be the last | |
1809 | * value in the value list for that key. | |
1810 | */ | |
1811 | values = git_configset_get_value_multi(cs, key); | |
1812 | ||
1813 | if (!values) | |
1814 | return 1; | |
1815 | assert(values->nr > 0); | |
1816 | *value = values->items[values->nr - 1].string; | |
1817 | return 0; | |
1818 | } | |
1819 | ||
1820 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
1821 | { | |
1822 | struct config_set_element *e = configset_find_element(cs, key); | |
1823 | return e ? &e->value_list : NULL; | |
1824 | } | |
1825 | ||
1826 | int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest) | |
1827 | { | |
1828 | const char *value; | |
1829 | if (!git_configset_get_value(cs, key, &value)) | |
1830 | return git_config_string(dest, key, value); | |
1831 | else | |
1832 | return 1; | |
1833 | } | |
1834 | ||
1835 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) | |
1836 | { | |
1837 | return git_configset_get_string_const(cs, key, (const char **)dest); | |
1838 | } | |
1839 | ||
1840 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
1841 | { | |
1842 | const char *value; | |
1843 | if (!git_configset_get_value(cs, key, &value)) { | |
1844 | *dest = git_config_int(key, value); | |
1845 | return 0; | |
1846 | } else | |
1847 | return 1; | |
1848 | } | |
1849 | ||
1850 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
1851 | { | |
1852 | const char *value; | |
1853 | if (!git_configset_get_value(cs, key, &value)) { | |
1854 | *dest = git_config_ulong(key, value); | |
1855 | return 0; | |
1856 | } else | |
1857 | return 1; | |
1858 | } | |
1859 | ||
1860 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
1861 | { | |
1862 | const char *value; | |
1863 | if (!git_configset_get_value(cs, key, &value)) { | |
1864 | *dest = git_config_bool(key, value); | |
1865 | return 0; | |
1866 | } else | |
1867 | return 1; | |
1868 | } | |
1869 | ||
1870 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
1871 | int *is_bool, int *dest) | |
1872 | { | |
1873 | const char *value; | |
1874 | if (!git_configset_get_value(cs, key, &value)) { | |
1875 | *dest = git_config_bool_or_int(key, value, is_bool); | |
1876 | return 0; | |
1877 | } else | |
1878 | return 1; | |
1879 | } | |
1880 | ||
1881 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
1882 | { | |
1883 | const char *value; | |
1884 | if (!git_configset_get_value(cs, key, &value)) { | |
1885 | *dest = git_config_maybe_bool(key, value); | |
1886 | if (*dest == -1) | |
1887 | return -1; | |
1888 | return 0; | |
1889 | } else | |
1890 | return 1; | |
1891 | } | |
1892 | ||
1893 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
1894 | { | |
1895 | const char *value; | |
1896 | if (!git_configset_get_value(cs, key, &value)) | |
1897 | return git_config_pathname(dest, key, value); | |
1898 | else | |
1899 | return 1; | |
1900 | } | |
1901 | ||
1902 | static void git_config_check_init(void) | |
1903 | { | |
1904 | if (the_config_set.hash_initialized) | |
1905 | return; | |
1906 | git_configset_init(&the_config_set); | |
155ef25f | 1907 | git_config_raw(config_set_callback, &the_config_set); |
3c8687a7 TA |
1908 | } |
1909 | ||
1910 | void git_config_clear(void) | |
1911 | { | |
1912 | if (!the_config_set.hash_initialized) | |
1913 | return; | |
1914 | git_configset_clear(&the_config_set); | |
1915 | } | |
1916 | ||
1917 | int git_config_get_value(const char *key, const char **value) | |
1918 | { | |
1919 | git_config_check_init(); | |
1920 | return git_configset_get_value(&the_config_set, key, value); | |
1921 | } | |
1922 | ||
1923 | const struct string_list *git_config_get_value_multi(const char *key) | |
1924 | { | |
1925 | git_config_check_init(); | |
1926 | return git_configset_get_value_multi(&the_config_set, key); | |
1927 | } | |
1928 | ||
1929 | int git_config_get_string_const(const char *key, const char **dest) | |
1930 | { | |
5a80e97c | 1931 | int ret; |
3c8687a7 | 1932 | git_config_check_init(); |
5a80e97c TA |
1933 | ret = git_configset_get_string_const(&the_config_set, key, dest); |
1934 | if (ret < 0) | |
1935 | git_die_config(key, NULL); | |
1936 | return ret; | |
3c8687a7 TA |
1937 | } |
1938 | ||
1939 | int git_config_get_string(const char *key, char **dest) | |
1940 | { | |
1941 | git_config_check_init(); | |
1942 | return git_config_get_string_const(key, (const char **)dest); | |
1943 | } | |
1944 | ||
1945 | int git_config_get_int(const char *key, int *dest) | |
1946 | { | |
1947 | git_config_check_init(); | |
1948 | return git_configset_get_int(&the_config_set, key, dest); | |
1949 | } | |
1950 | ||
1951 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
1952 | { | |
1953 | git_config_check_init(); | |
1954 | return git_configset_get_ulong(&the_config_set, key, dest); | |
1955 | } | |
1956 | ||
1957 | int git_config_get_bool(const char *key, int *dest) | |
1958 | { | |
1959 | git_config_check_init(); | |
1960 | return git_configset_get_bool(&the_config_set, key, dest); | |
1961 | } | |
1962 | ||
1963 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
1964 | { | |
1965 | git_config_check_init(); | |
1966 | return git_configset_get_bool_or_int(&the_config_set, key, is_bool, dest); | |
1967 | } | |
1968 | ||
1969 | int git_config_get_maybe_bool(const char *key, int *dest) | |
1970 | { | |
1971 | git_config_check_init(); | |
1972 | return git_configset_get_maybe_bool(&the_config_set, key, dest); | |
1973 | } | |
1974 | ||
1975 | int git_config_get_pathname(const char *key, const char **dest) | |
1976 | { | |
5a80e97c | 1977 | int ret; |
3c8687a7 | 1978 | git_config_check_init(); |
5a80e97c TA |
1979 | ret = git_configset_get_pathname(&the_config_set, key, dest); |
1980 | if (ret < 0) | |
1981 | git_die_config(key, NULL); | |
1982 | return ret; | |
1983 | } | |
1984 | ||
77d67977 CC |
1985 | int git_config_get_expiry(const char *key, const char **output) |
1986 | { | |
1987 | int ret = git_config_get_string_const(key, output); | |
1988 | if (ret) | |
1989 | return ret; | |
1990 | if (strcmp(*output, "now")) { | |
dddbad72 | 1991 | timestamp_t now = approxidate("now"); |
77d67977 CC |
1992 | if (approxidate(*output) >= now) |
1993 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
1994 | } | |
1995 | return ret; | |
1996 | } | |
1997 | ||
435ec090 CC |
1998 | int git_config_get_untracked_cache(void) |
1999 | { | |
2000 | int val = -1; | |
2001 | const char *v; | |
2002 | ||
dae6c322 CC |
2003 | /* Hack for test programs like test-dump-untracked-cache */ |
2004 | if (ignore_untracked_cache_config) | |
2005 | return -1; | |
2006 | ||
435ec090 CC |
2007 | if (!git_config_get_maybe_bool("core.untrackedcache", &val)) |
2008 | return val; | |
2009 | ||
2010 | if (!git_config_get_value("core.untrackedcache", &v)) { | |
2011 | if (!strcasecmp(v, "keep")) | |
2012 | return -1; | |
2013 | ||
f60ef2d6 CC |
2014 | error(_("unknown core.untrackedCache value '%s'; " |
2015 | "using 'keep' default value"), v); | |
435ec090 CC |
2016 | return -1; |
2017 | } | |
2018 | ||
2019 | return -1; /* default value */ | |
2020 | } | |
2021 | ||
1f44b09b CC |
2022 | int git_config_get_split_index(void) |
2023 | { | |
2024 | int val; | |
2025 | ||
2026 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
2027 | return val; | |
2028 | ||
2029 | return -1; /* default value */ | |
2030 | } | |
2031 | ||
72dcb7b3 CC |
2032 | int git_config_get_max_percent_split_change(void) |
2033 | { | |
2034 | int val = -1; | |
2035 | ||
2036 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
2037 | if (0 <= val && val <= 100) | |
2038 | return val; | |
2039 | ||
2040 | return error(_("splitIndex.maxPercentChange value '%d' " | |
2041 | "should be between 0 and 100"), val); | |
2042 | } | |
2043 | ||
2044 | return -1; /* default value */ | |
2045 | } | |
2046 | ||
5a80e97c TA |
2047 | NORETURN |
2048 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
2049 | { | |
2050 | if (!filename) | |
2051 | die(_("unable to parse '%s' from command-line config"), key); | |
2052 | else | |
2053 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
2054 | key, filename, linenr); | |
2055 | } | |
2056 | ||
2057 | NORETURN __attribute__((format(printf, 2, 3))) | |
2058 | void git_die_config(const char *key, const char *err, ...) | |
2059 | { | |
2060 | const struct string_list *values; | |
2061 | struct key_value_info *kv_info; | |
2062 | ||
2063 | if (err) { | |
2064 | va_list params; | |
2065 | va_start(params, err); | |
2066 | vreportf("error: ", err, params); | |
2067 | va_end(params); | |
2068 | } | |
2069 | values = git_config_get_value_multi(key); | |
2070 | kv_info = values->items[values->nr - 1].util; | |
2071 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
2072 | } |
2073 | ||
10bea152 JS |
2074 | /* |
2075 | * Find all the stuff for git_config_set() below. | |
2076 | */ | |
4ddba79d | 2077 | |
10bea152 JS |
2078 | static struct { |
2079 | int baselen; | |
4b25d091 | 2080 | char *key; |
f98d863d | 2081 | int do_not_match; |
4b25d091 | 2082 | regex_t *value_regex; |
4ddba79d | 2083 | int multi_replace; |
83786fa4 TR |
2084 | size_t *offset; |
2085 | unsigned int offset_alloc; | |
10bea152 JS |
2086 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
2087 | int seen; | |
2088 | } store; | |
2089 | ||
4b25d091 | 2090 | static int matches(const char *key, const char *value) |
f98d863d | 2091 | { |
c1063be2 JK |
2092 | if (strcmp(key, store.key)) |
2093 | return 0; /* not ours */ | |
2094 | if (!store.value_regex) | |
2095 | return 1; /* always matches */ | |
2096 | if (store.value_regex == CONFIG_REGEX_NONE) | |
2097 | return 0; /* never matches */ | |
2098 | ||
2099 | return store.do_not_match ^ | |
2100 | (value && !regexec(store.value_regex, value, 0, NULL, 0)); | |
f98d863d JS |
2101 | } |
2102 | ||
4b25d091 | 2103 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 2104 | { |
ae9ee41d JH |
2105 | const char *ep; |
2106 | size_t section_len; | |
2107 | ||
10bea152 JS |
2108 | switch (store.state) { |
2109 | case KEY_SEEN: | |
f98d863d | 2110 | if (matches(key, value)) { |
4ddba79d | 2111 | if (store.seen == 1 && store.multi_replace == 0) { |
8262aaa2 | 2112 | warning(_("%s has multiple values"), key); |
10bea152 | 2113 | } |
4ddba79d | 2114 | |
83786fa4 TR |
2115 | ALLOC_GROW(store.offset, store.seen + 1, |
2116 | store.offset_alloc); | |
2117 | ||
49d6cfa5 | 2118 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2119 | store.seen++; |
2120 | } | |
2121 | break; | |
2122 | case SECTION_SEEN: | |
ae9ee41d JH |
2123 | /* |
2124 | * What we are looking for is in store.key (both | |
2125 | * section and var), and its section part is baselen | |
2126 | * long. We found key (again, both section and var). | |
2127 | * We would want to know if this key is in the same | |
2128 | * section as what we are looking for. We already | |
2129 | * know we are in the same section as what should | |
2130 | * hold store.key. | |
2131 | */ | |
2132 | ep = strrchr(key, '.'); | |
2133 | section_len = ep - key; | |
2134 | ||
2135 | if ((section_len != store.baselen) || | |
2136 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
2137 | store.state = SECTION_END_SEEN; |
2138 | break; | |
ae9ee41d JH |
2139 | } |
2140 | ||
2141 | /* | |
2142 | * Do not increment matches: this is no match, but we | |
2143 | * just made sure we are in the desired section. | |
2144 | */ | |
83786fa4 TR |
2145 | ALLOC_GROW(store.offset, store.seen + 1, |
2146 | store.offset_alloc); | |
49d6cfa5 | 2147 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2148 | /* fallthru */ |
2149 | case SECTION_END_SEEN: | |
2150 | case START: | |
f98d863d | 2151 | if (matches(key, value)) { |
83786fa4 TR |
2152 | ALLOC_GROW(store.offset, store.seen + 1, |
2153 | store.offset_alloc); | |
49d6cfa5 | 2154 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2155 | store.state = KEY_SEEN; |
2156 | store.seen++; | |
d14f7764 LT |
2157 | } else { |
2158 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 2159 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 2160 | store.state = SECTION_SEEN; |
83786fa4 TR |
2161 | ALLOC_GROW(store.offset, |
2162 | store.seen + 1, | |
2163 | store.offset_alloc); | |
49d6cfa5 | 2164 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 2165 | } |
bdf0ef08 | 2166 | } |
10bea152 JS |
2167 | } |
2168 | return 0; | |
2169 | } | |
2170 | ||
64c0d71c | 2171 | static int write_error(const char *filename) |
480c9e52 | 2172 | { |
64c0d71c | 2173 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
2174 | |
2175 | /* Same error code as "failed to rename". */ | |
2176 | return 4; | |
2177 | } | |
2178 | ||
4b25d091 | 2179 | static int store_write_section(int fd, const char *key) |
10bea152 | 2180 | { |
cb891a59 KH |
2181 | const char *dot; |
2182 | int i, success; | |
f285a2d7 | 2183 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 2184 | |
cb891a59 | 2185 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 2186 | if (dot) { |
cb891a59 KH |
2187 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
2188 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 2189 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
2190 | strbuf_addch(&sb, '\\'); |
2191 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 2192 | } |
cb891a59 KH |
2193 | strbuf_addstr(&sb, "\"]\n"); |
2194 | } else { | |
2195 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
2196 | } |
2197 | ||
cb891a59 KH |
2198 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
2199 | strbuf_release(&sb); | |
480c9e52 | 2200 | |
cb891a59 | 2201 | return success; |
10bea152 JS |
2202 | } |
2203 | ||
4b25d091 | 2204 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 2205 | { |
cb891a59 KH |
2206 | int i, success; |
2207 | int length = strlen(key + store.baselen + 1); | |
2208 | const char *quote = ""; | |
f285a2d7 | 2209 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 2210 | |
6281f394 JM |
2211 | /* |
2212 | * Check to see if the value needs to be surrounded with a dq pair. | |
2213 | * Note that problematic characters are always backslash-quoted; this | |
2214 | * check is about not losing leading or trailing SP and strings that | |
2215 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
2216 | * configuration parser. | |
2217 | */ | |
cdd4fb15 | 2218 | if (value[0] == ' ') |
cb891a59 | 2219 | quote = "\""; |
cdd4fb15 BG |
2220 | for (i = 0; value[i]; i++) |
2221 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
2222 | quote = "\""; |
2223 | if (i && value[i - 1] == ' ') | |
2224 | quote = "\""; | |
2225 | ||
cb891a59 KH |
2226 | strbuf_addf(&sb, "\t%.*s = %s", |
2227 | length, key + store.baselen + 1, quote); | |
10bea152 | 2228 | |
10bea152 JS |
2229 | for (i = 0; value[i]; i++) |
2230 | switch (value[i]) { | |
480c9e52 | 2231 | case '\n': |
cb891a59 | 2232 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
2233 | break; |
2234 | case '\t': | |
cb891a59 | 2235 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
2236 | break; |
2237 | case '"': | |
2238 | case '\\': | |
cb891a59 | 2239 | strbuf_addch(&sb, '\\'); |
480c9e52 | 2240 | default: |
cb891a59 | 2241 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
2242 | break; |
2243 | } | |
cb891a59 KH |
2244 | strbuf_addf(&sb, "%s\n", quote); |
2245 | ||
2246 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
2247 | strbuf_release(&sb); | |
2248 | ||
2249 | return success; | |
10bea152 JS |
2250 | } |
2251 | ||
4b25d091 FC |
2252 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
2253 | size_t offset_, int *found_bracket) | |
4ddba79d | 2254 | { |
dc49cd76 SP |
2255 | size_t equal_offset = size, bracket_offset = size; |
2256 | ssize_t offset; | |
4ddba79d | 2257 | |
7a31cc0f | 2258 | contline: |
a6080a0a | 2259 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
2260 | && contents[offset] != '\n'; offset--) |
2261 | switch (contents[offset]) { | |
2262 | case '=': equal_offset = offset; break; | |
2263 | case ']': bracket_offset = offset; break; | |
2264 | } | |
7a31cc0f FL |
2265 | if (offset > 0 && contents[offset-1] == '\\') { |
2266 | offset_ = offset; | |
2267 | goto contline; | |
2268 | } | |
4ddba79d JS |
2269 | if (bracket_offset < equal_offset) { |
2270 | *found_bracket = 1; | |
2271 | offset = bracket_offset+1; | |
2272 | } else | |
2273 | offset++; | |
2274 | ||
2275 | return offset; | |
2276 | } | |
2277 | ||
30598ad0 PS |
2278 | int git_config_set_in_file_gently(const char *config_filename, |
2279 | const char *key, const char *value) | |
5ec31182 | 2280 | { |
30598ad0 | 2281 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
2282 | } |
2283 | ||
3d180648 PS |
2284 | void git_config_set_in_file(const char *config_filename, |
2285 | const char *key, const char *value) | |
10bea152 | 2286 | { |
3d180648 | 2287 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
2288 | } |
2289 | ||
30598ad0 | 2290 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 2291 | { |
30598ad0 | 2292 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
2293 | } |
2294 | ||
3d180648 | 2295 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 2296 | { |
3d180648 | 2297 | git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
2298 | } |
2299 | ||
2300 | /* | |
2301 | * If value==NULL, unset in (remove from) config, | |
2302 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
c1063be2 JK |
2303 | * if value_regex==CONFIG_REGEX_NONE, do not match any existing values |
2304 | * (only add a new one) | |
4ddba79d JS |
2305 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
2306 | * else all matching key/values (regardless how many) are removed, | |
2307 | * before the new pair is written. | |
10bea152 JS |
2308 | * |
2309 | * Returns 0 on success. | |
2310 | * | |
2311 | * This function does this: | |
2312 | * | |
2313 | * - it locks the config file by creating ".git/config.lock" | |
2314 | * | |
2315 | * - it then parses the config using store_aux() as validator to find | |
2316 | * the position on the key/value pair to replace. If it is to be unset, | |
2317 | * it must be found exactly once. | |
2318 | * | |
2319 | * - the config file is mmap()ed and the part before the match (if any) is | |
2320 | * written to the lock file, then the changed part and the rest. | |
2321 | * | |
2322 | * - the config file is removed and the lock file rename()d to it. | |
2323 | * | |
2324 | */ | |
30598ad0 PS |
2325 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
2326 | const char *key, const char *value, | |
2327 | const char *value_regex, | |
2328 | int multi_replace) | |
10bea152 | 2329 | { |
54d160ec | 2330 | int fd = -1, in_fd = -1; |
dafc88b1 | 2331 | int ret; |
6cbf973c | 2332 | struct lock_file *lock = NULL; |
0a5f5759 | 2333 | char *filename_buf = NULL; |
3a1b3126 JK |
2334 | char *contents = NULL; |
2335 | size_t contents_sz; | |
4ddba79d | 2336 | |
b09c53a3 LP |
2337 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
2338 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
2339 | if (ret) | |
dafc88b1 | 2340 | goto out_free; |
b17e659d JS |
2341 | |
2342 | store.multi_replace = multi_replace; | |
10bea152 | 2343 | |
0a5f5759 JK |
2344 | if (!config_filename) |
2345 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
2346 | |
2347 | /* | |
6cbf973c | 2348 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
2349 | * contents of .git/config will be written into it. |
2350 | */ | |
f1064f6b | 2351 | lock = xcalloc(1, sizeof(struct lock_file)); |
6cbf973c BS |
2352 | fd = hold_lock_file_for_update(lock, config_filename, 0); |
2353 | if (fd < 0) { | |
f0658ec9 | 2354 | error_errno("could not lock config file %s", config_filename); |
10bea152 | 2355 | free(store.key); |
7a397419 | 2356 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 2357 | goto out_free; |
10bea152 JS |
2358 | } |
2359 | ||
2360 | /* | |
2361 | * If .git/config does not exist yet, write a minimal version. | |
2362 | */ | |
88fb958b AR |
2363 | in_fd = open(config_filename, O_RDONLY); |
2364 | if ( in_fd < 0 ) { | |
10bea152 JS |
2365 | free(store.key); |
2366 | ||
88fb958b | 2367 | if ( ENOENT != errno ) { |
f0658ec9 | 2368 | error_errno("opening %s", config_filename); |
7a397419 | 2369 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 2370 | goto out_free; |
88fb958b | 2371 | } |
10bea152 JS |
2372 | /* if nothing to unset, error out */ |
2373 | if (value == NULL) { | |
7a397419 | 2374 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2375 | goto out_free; |
10bea152 JS |
2376 | } |
2377 | ||
4b25d091 | 2378 | store.key = (char *)key; |
480c9e52 | 2379 | if (!store_write_section(fd, key) || |
93c1e079 JH |
2380 | !store_write_pair(fd, key, value)) |
2381 | goto write_err_out; | |
2382 | } else { | |
88fb958b | 2383 | struct stat st; |
3a1b3126 | 2384 | size_t copy_begin, copy_end; |
dc49cd76 | 2385 | int i, new_line = 0; |
10bea152 JS |
2386 | |
2387 | if (value_regex == NULL) | |
2388 | store.value_regex = NULL; | |
c1063be2 JK |
2389 | else if (value_regex == CONFIG_REGEX_NONE) |
2390 | store.value_regex = CONFIG_REGEX_NONE; | |
10bea152 | 2391 | else { |
f98d863d JS |
2392 | if (value_regex[0] == '!') { |
2393 | store.do_not_match = 1; | |
2394 | value_regex++; | |
2395 | } else | |
2396 | store.do_not_match = 0; | |
2397 | ||
2d7320d0 | 2398 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
2399 | if (regcomp(store.value_regex, value_regex, |
2400 | REG_EXTENDED)) { | |
64c0d71c | 2401 | error("invalid pattern: %s", value_regex); |
10bea152 | 2402 | free(store.value_regex); |
7a397419 | 2403 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2404 | goto out_free; |
10bea152 JS |
2405 | } |
2406 | } | |
2407 | ||
83786fa4 | 2408 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 2409 | store.offset[0] = 0; |
10bea152 JS |
2410 | store.state = START; |
2411 | store.seen = 0; | |
2412 | ||
2413 | /* | |
2414 | * After this, store.offset will contain the *end* offset | |
2415 | * of the last match, or remain at 0 if no match was found. | |
2416 | * As a side effect, we make sure to transform only a valid | |
2417 | * existing config file. | |
2418 | */ | |
ef90d6d4 | 2419 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 2420 | error("invalid config file %s", config_filename); |
10bea152 | 2421 | free(store.key); |
c1063be2 JK |
2422 | if (store.value_regex != NULL && |
2423 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2424 | regfree(store.value_regex); |
2425 | free(store.value_regex); | |
2426 | } | |
7a397419 | 2427 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 2428 | goto out_free; |
10bea152 JS |
2429 | } |
2430 | ||
2431 | free(store.key); | |
c1063be2 JK |
2432 | if (store.value_regex != NULL && |
2433 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2434 | regfree(store.value_regex); |
2435 | free(store.value_regex); | |
2436 | } | |
2437 | ||
4ddba79d JS |
2438 | /* if nothing to unset, or too many matches, error out */ |
2439 | if ((store.seen == 0 && value == NULL) || | |
2440 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 2441 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2442 | goto out_free; |
10bea152 JS |
2443 | } |
2444 | ||
29647d79 NTND |
2445 | if (fstat(in_fd, &st) == -1) { |
2446 | error_errno(_("fstat on %s failed"), config_filename); | |
2447 | ret = CONFIG_INVALID_FILE; | |
2448 | goto out_free; | |
2449 | } | |
2450 | ||
dc49cd76 | 2451 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
2452 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
2453 | MAP_PRIVATE, in_fd, 0); | |
2454 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
2455 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
2456 | errno = EISDIR; | |
f0658ec9 | 2457 | error_errno("unable to mmap '%s'", config_filename); |
1570856b JK |
2458 | ret = CONFIG_INVALID_FILE; |
2459 | contents = NULL; | |
2460 | goto out_free; | |
2461 | } | |
10bea152 | 2462 | close(in_fd); |
54d160ec | 2463 | in_fd = -1; |
10bea152 | 2464 | |
b4fb09e4 | 2465 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 | 2466 | error_errno("chmod on %s failed", get_lock_file_path(lock)); |
daa22c6f EW |
2467 | ret = CONFIG_NO_WRITE; |
2468 | goto out_free; | |
2469 | } | |
2470 | ||
4ddba79d JS |
2471 | if (store.seen == 0) |
2472 | store.seen = 1; | |
2473 | ||
2474 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
2475 | if (store.offset[i] == 0) { | |
dc49cd76 | 2476 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
2477 | } else if (store.state != KEY_SEEN) { |
2478 | copy_end = store.offset[i]; | |
10bea152 | 2479 | } else |
4ddba79d | 2480 | copy_end = find_beginning_of_line( |
dc49cd76 | 2481 | contents, contents_sz, |
4ddba79d JS |
2482 | store.offset[i]-2, &new_line); |
2483 | ||
02e5ba4a JK |
2484 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
2485 | new_line = 1; | |
2486 | ||
4ddba79d JS |
2487 | /* write the first part of the config */ |
2488 | if (copy_end > copy_begin) { | |
93c1e079 JH |
2489 | if (write_in_full(fd, contents + copy_begin, |
2490 | copy_end - copy_begin) < | |
2491 | copy_end - copy_begin) | |
2492 | goto write_err_out; | |
2493 | if (new_line && | |
2b7ca830 | 2494 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 2495 | goto write_err_out; |
4ddba79d JS |
2496 | } |
2497 | copy_begin = store.offset[i]; | |
10bea152 JS |
2498 | } |
2499 | ||
10bea152 JS |
2500 | /* write the pair (value == NULL means unset) */ |
2501 | if (value != NULL) { | |
93c1e079 JH |
2502 | if (store.state == START) { |
2503 | if (!store_write_section(fd, key)) | |
2504 | goto write_err_out; | |
480c9e52 | 2505 | } |
93c1e079 JH |
2506 | if (!store_write_pair(fd, key, value)) |
2507 | goto write_err_out; | |
10bea152 JS |
2508 | } |
2509 | ||
2510 | /* write the rest of the config */ | |
dc49cd76 | 2511 | if (copy_begin < contents_sz) |
93c1e079 | 2512 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
2513 | contents_sz - copy_begin) < |
2514 | contents_sz - copy_begin) | |
93c1e079 | 2515 | goto write_err_out; |
7a64592c KB |
2516 | |
2517 | munmap(contents, contents_sz); | |
2518 | contents = NULL; | |
10bea152 JS |
2519 | } |
2520 | ||
4ed7cd3a | 2521 | if (commit_lock_file(lock) < 0) { |
f0658ec9 | 2522 | error_errno("could not write config file %s", config_filename); |
7a397419 | 2523 | ret = CONFIG_NO_WRITE; |
e831855e | 2524 | lock = NULL; |
dafc88b1 | 2525 | goto out_free; |
10bea152 JS |
2526 | } |
2527 | ||
6cbf973c BS |
2528 | /* |
2529 | * lock is committed, so don't try to roll it back below. | |
2530 | * NOTE: Since lockfile.c keeps a linked list of all created | |
2531 | * lock_file structures, it isn't safe to free(lock). It's | |
2532 | * better to just leave it hanging around. | |
2533 | */ | |
2534 | lock = NULL; | |
dafc88b1 SH |
2535 | ret = 0; |
2536 | ||
3c8687a7 TA |
2537 | /* Invalidate the config cache */ |
2538 | git_config_clear(); | |
2539 | ||
dafc88b1 | 2540 | out_free: |
6cbf973c BS |
2541 | if (lock) |
2542 | rollback_lock_file(lock); | |
0a5f5759 | 2543 | free(filename_buf); |
3a1b3126 JK |
2544 | if (contents) |
2545 | munmap(contents, contents_sz); | |
54d160ec SS |
2546 | if (in_fd >= 0) |
2547 | close(in_fd); | |
dafc88b1 | 2548 | return ret; |
93c1e079 JH |
2549 | |
2550 | write_err_out: | |
b4fb09e4 | 2551 | ret = write_error(get_lock_file_path(lock)); |
93c1e079 JH |
2552 | goto out_free; |
2553 | ||
10bea152 JS |
2554 | } |
2555 | ||
3d180648 PS |
2556 | void git_config_set_multivar_in_file(const char *config_filename, |
2557 | const char *key, const char *value, | |
2558 | const char *value_regex, int multi_replace) | |
b4c8aba6 | 2559 | { |
1cae428e JK |
2560 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
2561 | value_regex, multi_replace)) | |
2562 | return; | |
2563 | if (value) | |
8c3ca351 | 2564 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
2565 | else |
2566 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
2567 | } |
2568 | ||
30598ad0 PS |
2569 | int git_config_set_multivar_gently(const char *key, const char *value, |
2570 | const char *value_regex, int multi_replace) | |
5ec31182 | 2571 | { |
30598ad0 PS |
2572 | return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex, |
2573 | multi_replace); | |
5ec31182 RR |
2574 | } |
2575 | ||
3d180648 PS |
2576 | void git_config_set_multivar(const char *key, const char *value, |
2577 | const char *value_regex, int multi_replace) | |
5ec31182 | 2578 | { |
3d180648 PS |
2579 | git_config_set_multivar_in_file(NULL, key, value, value_regex, |
2580 | multi_replace); | |
5ec31182 RR |
2581 | } |
2582 | ||
118f8b24 PB |
2583 | static int section_name_match (const char *buf, const char *name) |
2584 | { | |
2585 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
2586 | if (buf[i] != '[') |
2587 | return 0; | |
2588 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
2589 | if (!dot && isspace(buf[i])) { |
2590 | dot = 1; | |
2591 | if (name[j++] != '.') | |
2592 | break; | |
2593 | for (i++; isspace(buf[i]); i++) | |
2594 | ; /* do nothing */ | |
2595 | if (buf[i] != '"') | |
2596 | break; | |
2597 | continue; | |
2598 | } | |
2599 | if (buf[i] == '\\' && dot) | |
2600 | i++; | |
2601 | else if (buf[i] == '"' && dot) { | |
2602 | for (i++; isspace(buf[i]); i++) | |
2603 | ; /* do_nothing */ | |
2604 | break; | |
2605 | } | |
2606 | if (buf[i] != name[j++]) | |
2607 | break; | |
2608 | } | |
a4c0d463 AV |
2609 | if (buf[i] == ']' && name[j] == 0) { |
2610 | /* | |
2611 | * We match, now just find the right length offset by | |
2612 | * gobbling up any whitespace after it, as well | |
2613 | */ | |
2614 | i++; | |
2615 | for (; buf[i] && isspace(buf[i]); i++) | |
2616 | ; /* do nothing */ | |
2617 | return i; | |
2618 | } | |
2619 | return 0; | |
118f8b24 PB |
2620 | } |
2621 | ||
94a35b1a JK |
2622 | static int section_name_is_ok(const char *name) |
2623 | { | |
2624 | /* Empty section names are bogus. */ | |
2625 | if (!*name) | |
2626 | return 0; | |
2627 | ||
2628 | /* | |
2629 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
2630 | * anything goes, so we can stop checking. | |
2631 | */ | |
2632 | for (; *name && *name != '.'; name++) | |
2633 | if (*name != '-' && !isalnum(*name)) | |
2634 | return 0; | |
2635 | return 1; | |
2636 | } | |
2637 | ||
118f8b24 | 2638 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
2639 | int git_config_rename_section_in_file(const char *config_filename, |
2640 | const char *old_name, const char *new_name) | |
0667fcfb | 2641 | { |
118f8b24 | 2642 | int ret = 0, remove = 0; |
42bd39b5 | 2643 | char *filename_buf = NULL; |
94a35b1a | 2644 | struct lock_file *lock; |
0667fcfb JS |
2645 | int out_fd; |
2646 | char buf[1024]; | |
4db7dbdb | 2647 | FILE *config_file = NULL; |
daa22c6f | 2648 | struct stat st; |
0667fcfb | 2649 | |
94a35b1a JK |
2650 | if (new_name && !section_name_is_ok(new_name)) { |
2651 | ret = error("invalid section name: %s", new_name); | |
c06fa62d | 2652 | goto out_no_rollback; |
94a35b1a JK |
2653 | } |
2654 | ||
42bd39b5 JK |
2655 | if (!config_filename) |
2656 | config_filename = filename_buf = git_pathdup("config"); | |
2657 | ||
f1064f6b | 2658 | lock = xcalloc(1, sizeof(struct lock_file)); |
0667fcfb | 2659 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 2660 | if (out_fd < 0) { |
64c0d71c | 2661 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
2662 | goto out; |
2663 | } | |
0667fcfb | 2664 | |
fc1905bb | 2665 | if (!(config_file = fopen(config_filename, "rb"))) { |
11dc1fcb NTND |
2666 | ret = warn_on_fopen_errors(config_filename); |
2667 | if (ret) | |
2668 | goto out; | |
01ebb9dc | 2669 | /* no config file means nothing to rename, no error */ |
6e45b43f | 2670 | goto commit_and_out; |
fc1905bb | 2671 | } |
0667fcfb | 2672 | |
29647d79 NTND |
2673 | if (fstat(fileno(config_file), &st) == -1) { |
2674 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
2675 | goto out; | |
2676 | } | |
daa22c6f | 2677 | |
b4fb09e4 | 2678 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 NTND |
2679 | ret = error_errno("chmod on %s failed", |
2680 | get_lock_file_path(lock)); | |
daa22c6f EW |
2681 | goto out; |
2682 | } | |
2683 | ||
0667fcfb JS |
2684 | while (fgets(buf, sizeof(buf), config_file)) { |
2685 | int i; | |
480c9e52 | 2686 | int length; |
9a5abfc7 | 2687 | char *output = buf; |
0667fcfb JS |
2688 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
2689 | ; /* do nothing */ | |
2690 | if (buf[i] == '[') { | |
2691 | /* it's a section */ | |
a4c0d463 AV |
2692 | int offset = section_name_match(&buf[i], old_name); |
2693 | if (offset > 0) { | |
118f8b24 PB |
2694 | ret++; |
2695 | if (new_name == NULL) { | |
2696 | remove = 1; | |
0667fcfb JS |
2697 | continue; |
2698 | } | |
0667fcfb | 2699 | store.baselen = strlen(new_name); |
480c9e52 | 2700 | if (!store_write_section(out_fd, new_name)) { |
b4fb09e4 | 2701 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2702 | goto out; |
2703 | } | |
9a5abfc7 AV |
2704 | /* |
2705 | * We wrote out the new section, with | |
2706 | * a newline, now skip the old | |
2707 | * section's length | |
2708 | */ | |
2709 | output += offset + i; | |
2710 | if (strlen(output) > 0) { | |
2711 | /* | |
2712 | * More content means there's | |
2713 | * a declaration to put on the | |
2714 | * next line; indent with a | |
2715 | * tab | |
2716 | */ | |
2717 | output -= 1; | |
2718 | output[0] = '\t'; | |
2719 | } | |
0667fcfb | 2720 | } |
118f8b24 | 2721 | remove = 0; |
0667fcfb | 2722 | } |
118f8b24 PB |
2723 | if (remove) |
2724 | continue; | |
9a5abfc7 AV |
2725 | length = strlen(output); |
2726 | if (write_in_full(out_fd, output, length) != length) { | |
b4fb09e4 | 2727 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2728 | goto out; |
2729 | } | |
0667fcfb | 2730 | } |
fc1905bb | 2731 | fclose(config_file); |
4db7dbdb | 2732 | config_file = NULL; |
6e45b43f | 2733 | commit_and_out: |
4ed7cd3a | 2734 | if (commit_lock_file(lock) < 0) |
f0658ec9 NTND |
2735 | ret = error_errno("could not write config file %s", |
2736 | config_filename); | |
8b590075 | 2737 | out: |
4db7dbdb JS |
2738 | if (config_file) |
2739 | fclose(config_file); | |
c06fa62d NTND |
2740 | rollback_lock_file(lock); |
2741 | out_no_rollback: | |
42bd39b5 | 2742 | free(filename_buf); |
0667fcfb JS |
2743 | return ret; |
2744 | } | |
40ea4ed9 | 2745 | |
42bd39b5 JK |
2746 | int git_config_rename_section(const char *old_name, const char *new_name) |
2747 | { | |
4a7bb5ba | 2748 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
2749 | } |
2750 | ||
40ea4ed9 JH |
2751 | /* |
2752 | * Call this to report error for your variable that should not | |
2753 | * get a boolean value (i.e. "[my] var" means "true"). | |
2754 | */ | |
a469a101 | 2755 | #undef config_error_nonbool |
40ea4ed9 JH |
2756 | int config_error_nonbool(const char *var) |
2757 | { | |
8c3ca351 | 2758 | return error("missing value for '%s'", var); |
40ea4ed9 | 2759 | } |
1b86bbb0 JK |
2760 | |
2761 | int parse_config_key(const char *var, | |
2762 | const char *section, | |
2763 | const char **subsection, int *subsection_len, | |
2764 | const char **key) | |
2765 | { | |
1b86bbb0 JK |
2766 | const char *dot; |
2767 | ||
2768 | /* Does it start with "section." ? */ | |
e3394fdc | 2769 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
2770 | return -1; |
2771 | ||
2772 | /* | |
2773 | * Find the key; we don't know yet if we have a subsection, but we must | |
2774 | * parse backwards from the end, since the subsection may have dots in | |
2775 | * it, too. | |
2776 | */ | |
2777 | dot = strrchr(var, '.'); | |
2778 | *key = dot + 1; | |
2779 | ||
2780 | /* Did we have a subsection at all? */ | |
e3394fdc | 2781 | if (dot == var) { |
48f8d9f7 JK |
2782 | if (subsection) { |
2783 | *subsection = NULL; | |
2784 | *subsection_len = 0; | |
2785 | } | |
1b86bbb0 JK |
2786 | } |
2787 | else { | |
48f8d9f7 JK |
2788 | if (!subsection) |
2789 | return -1; | |
e3394fdc | 2790 | *subsection = var + 1; |
1b86bbb0 JK |
2791 | *subsection_len = dot - *subsection; |
2792 | } | |
2793 | ||
2794 | return 0; | |
2795 | } | |
473166b9 LS |
2796 | |
2797 | const char *current_config_origin_type(void) | |
2798 | { | |
1b8132d9 | 2799 | int type; |
0d44a2da JK |
2800 | if (current_config_kvi) |
2801 | type = current_config_kvi->origin_type; | |
2802 | else if(cf) | |
2803 | type = cf->origin_type; | |
2804 | else | |
3258258f | 2805 | die("BUG: current_config_origin_type called outside config callback"); |
1b8132d9 VA |
2806 | |
2807 | switch (type) { | |
2808 | case CONFIG_ORIGIN_BLOB: | |
2809 | return "blob"; | |
2810 | case CONFIG_ORIGIN_FILE: | |
2811 | return "file"; | |
2812 | case CONFIG_ORIGIN_STDIN: | |
2813 | return "standard input"; | |
2814 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
2815 | return "submodule-blob"; | |
2816 | case CONFIG_ORIGIN_CMDLINE: | |
2817 | return "command line"; | |
2818 | default: | |
2819 | die("BUG: unknown config origin type"); | |
2820 | } | |
473166b9 LS |
2821 | } |
2822 | ||
2823 | const char *current_config_name(void) | |
2824 | { | |
0d44a2da JK |
2825 | const char *name; |
2826 | if (current_config_kvi) | |
2827 | name = current_config_kvi->filename; | |
2828 | else if (cf) | |
2829 | name = cf->name; | |
2830 | else | |
3258258f | 2831 | die("BUG: current_config_name called outside config callback"); |
0d44a2da | 2832 | return name ? name : ""; |
473166b9 | 2833 | } |
9acc5911 JK |
2834 | |
2835 | enum config_scope current_config_scope(void) | |
2836 | { | |
2837 | if (current_config_kvi) | |
2838 | return current_config_kvi->scope; | |
2839 | else | |
2840 | return current_parsing_scope; | |
473166b9 | 2841 | } |