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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" |
3b256228 | 10 | #include "repository.h" |
697cc8ef | 11 | #include "lockfile.h" |
7f0e39fa | 12 | #include "exec_cmd.h" |
572e4f6a | 13 | #include "strbuf.h" |
2b64fc89 | 14 | #include "quote.h" |
3c8687a7 TA |
15 | #include "hashmap.h" |
16 | #include "string-list.h" | |
599446dc | 17 | #include "utf8.h" |
3efd0bed | 18 | #include "dir.h" |
17712991 | 19 | |
4d8dd149 HV |
20 | struct config_source { |
21 | struct config_source *prev; | |
22 | union { | |
23 | FILE *file; | |
1bc88819 HV |
24 | struct config_buf { |
25 | const char *buf; | |
26 | size_t len; | |
27 | size_t pos; | |
28 | } buf; | |
4d8dd149 | 29 | } u; |
1b8132d9 | 30 | enum config_origin_type origin_type; |
924aaf3e | 31 | const char *name; |
d14d4244 | 32 | const char *path; |
b2dc0945 | 33 | int die_on_error; |
924aaf3e RJ |
34 | int linenr; |
35 | int eof; | |
36 | struct strbuf value; | |
0971e992 | 37 | struct strbuf var; |
924aaf3e | 38 | |
49d6cfa5 JK |
39 | int (*do_fgetc)(struct config_source *c); |
40 | int (*do_ungetc)(int c, struct config_source *conf); | |
41 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
42 | }; |
43 | ||
0d44a2da JK |
44 | /* |
45 | * These variables record the "current" config source, which | |
46 | * can be accessed by parsing callbacks. | |
47 | * | |
48 | * The "cf" variable will be non-NULL only when we are actually parsing a real | |
49 | * config source (file, blob, cmdline, etc). | |
50 | * | |
51 | * The "current_config_kvi" variable will be non-NULL only when we are feeding | |
52 | * cached config from a configset into a callback. | |
53 | * | |
54 | * They should generally never be non-NULL at the same time. If they are both | |
55 | * NULL, then we aren't parsing anything (and depending on the function looking | |
56 | * at the variables, it's either a bug for it to be called in the first place, | |
57 | * or it's a function which can be reused for non-config purposes, and should | |
58 | * fall back to some sane behavior). | |
59 | */ | |
4d8dd149 | 60 | static struct config_source *cf; |
0d44a2da | 61 | static struct key_value_info *current_config_kvi; |
924aaf3e | 62 | |
9acc5911 JK |
63 | /* |
64 | * Similar to the variables above, this gives access to the "scope" of the | |
65 | * current value (repo, global, etc). For cached values, it can be found via | |
66 | * the current_config_kvi as above. During parsing, the current value can be | |
67 | * found in this variable. It's not part of "cf" because it transcends a single | |
68 | * file (i.e., a file included from .git/config is still in "repo" scope). | |
69 | */ | |
70 | static enum config_scope current_parsing_scope; | |
924aaf3e | 71 | |
8de7eeb5 JH |
72 | static int core_compression_seen; |
73 | static int pack_compression_seen; | |
960ccca6 DH |
74 | static int zlib_compression_seen; |
75 | ||
4d8dd149 HV |
76 | static int config_file_fgetc(struct config_source *conf) |
77 | { | |
260d408e | 78 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
79 | } |
80 | ||
81 | static int config_file_ungetc(int c, struct config_source *conf) | |
82 | { | |
83 | return ungetc(c, conf->u.file); | |
84 | } | |
85 | ||
86 | static long config_file_ftell(struct config_source *conf) | |
87 | { | |
88 | return ftell(conf->u.file); | |
89 | } | |
90 | ||
1bc88819 HV |
91 | |
92 | static int config_buf_fgetc(struct config_source *conf) | |
93 | { | |
94 | if (conf->u.buf.pos < conf->u.buf.len) | |
95 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
96 | ||
97 | return EOF; | |
98 | } | |
99 | ||
100 | static int config_buf_ungetc(int c, struct config_source *conf) | |
101 | { | |
1d0655c1 JK |
102 | if (conf->u.buf.pos > 0) { |
103 | conf->u.buf.pos--; | |
104 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
105 | die("BUG: config_buf can only ungetc the same character"); | |
106 | return c; | |
107 | } | |
1bc88819 HV |
108 | |
109 | return EOF; | |
110 | } | |
111 | ||
112 | static long config_buf_ftell(struct config_source *conf) | |
113 | { | |
114 | return conf->u.buf.pos; | |
115 | } | |
116 | ||
9b25a0b5 JK |
117 | #define MAX_INCLUDE_DEPTH 10 |
118 | static const char include_depth_advice[] = | |
119 | "exceeded maximum include depth (%d) while including\n" | |
120 | " %s\n" | |
121 | "from\n" | |
122 | " %s\n" | |
123 | "Do you have circular includes?"; | |
124 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
125 | { | |
126 | int ret = 0; | |
127 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 128 | char *expanded; |
4c0a89fc | 129 | |
67beb600 JK |
130 | if (!path) |
131 | return config_error_nonbool("include.path"); | |
132 | ||
4aad2f16 | 133 | expanded = expand_user_path(path, 0); |
4c0a89fc | 134 | if (!expanded) |
8c3ca351 | 135 | return error("could not expand include path '%s'", path); |
4c0a89fc | 136 | path = expanded; |
9b25a0b5 JK |
137 | |
138 | /* | |
139 | * Use an absolute path as-is, but interpret relative paths | |
140 | * based on the including config file. | |
141 | */ | |
142 | if (!is_absolute_path(path)) { | |
143 | char *slash; | |
144 | ||
d14d4244 | 145 | if (!cf || !cf->path) |
9b25a0b5 JK |
146 | return error("relative config includes must come from files"); |
147 | ||
d14d4244 | 148 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 149 | if (slash) |
d14d4244 | 150 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
151 | strbuf_addstr(&buf, path); |
152 | path = buf.buf; | |
153 | } | |
154 | ||
4698c8fe | 155 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
156 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
157 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
3258258f JK |
158 | !cf ? "<unknown>" : |
159 | cf->name ? cf->name : | |
160 | "the command line"); | |
9b25a0b5 JK |
161 | ret = git_config_from_file(git_config_include, path, inc); |
162 | inc->depth--; | |
163 | } | |
164 | strbuf_release(&buf); | |
4c0a89fc | 165 | free(expanded); |
9b25a0b5 JK |
166 | return ret; |
167 | } | |
168 | ||
3efd0bed NTND |
169 | static int prepare_include_condition_pattern(struct strbuf *pat) |
170 | { | |
171 | struct strbuf path = STRBUF_INIT; | |
172 | char *expanded; | |
173 | int prefix = 0; | |
174 | ||
86f95157 | 175 | expanded = expand_user_path(pat->buf, 1); |
3efd0bed NTND |
176 | if (expanded) { |
177 | strbuf_reset(pat); | |
178 | strbuf_addstr(pat, expanded); | |
179 | free(expanded); | |
180 | } | |
181 | ||
182 | if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) { | |
183 | const char *slash; | |
184 | ||
185 | if (!cf || !cf->path) | |
186 | return error(_("relative config include " | |
187 | "conditionals must come from files")); | |
188 | ||
86f95157 | 189 | strbuf_realpath(&path, cf->path, 1); |
3efd0bed NTND |
190 | slash = find_last_dir_sep(path.buf); |
191 | if (!slash) | |
192 | die("BUG: how is this possible?"); | |
193 | strbuf_splice(pat, 0, 1, path.buf, slash - path.buf); | |
194 | prefix = slash - path.buf + 1 /* slash */; | |
195 | } else if (!is_absolute_path(pat->buf)) | |
196 | strbuf_insert(pat, 0, "**/", 3); | |
197 | ||
198 | if (pat->len && is_dir_sep(pat->buf[pat->len - 1])) | |
199 | strbuf_addstr(pat, "**"); | |
200 | ||
201 | strbuf_release(&path); | |
202 | return prefix; | |
203 | } | |
204 | ||
2185fde5 NTND |
205 | static int include_by_gitdir(const struct config_options *opts, |
206 | const char *cond, size_t cond_len, int icase) | |
3efd0bed NTND |
207 | { |
208 | struct strbuf text = STRBUF_INIT; | |
209 | struct strbuf pattern = STRBUF_INIT; | |
210 | int ret = 0, prefix; | |
2185fde5 | 211 | const char *git_dir; |
0624c63c | 212 | int already_tried_absolute = 0; |
3efd0bed | 213 | |
2185fde5 NTND |
214 | if (opts->git_dir) |
215 | git_dir = opts->git_dir; | |
2185fde5 NTND |
216 | else |
217 | goto done; | |
218 | ||
c9672ba4 | 219 | strbuf_realpath(&text, git_dir, 1); |
3efd0bed NTND |
220 | strbuf_add(&pattern, cond, cond_len); |
221 | prefix = prepare_include_condition_pattern(&pattern); | |
222 | ||
0624c63c | 223 | again: |
3efd0bed NTND |
224 | if (prefix < 0) |
225 | goto done; | |
226 | ||
227 | if (prefix > 0) { | |
228 | /* | |
229 | * perform literal matching on the prefix part so that | |
230 | * any wildcard character in it can't create side effects. | |
231 | */ | |
232 | if (text.len < prefix) | |
233 | goto done; | |
234 | if (!icase && strncmp(pattern.buf, text.buf, prefix)) | |
235 | goto done; | |
236 | if (icase && strncasecmp(pattern.buf, text.buf, prefix)) | |
237 | goto done; | |
238 | } | |
239 | ||
240 | ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, | |
55d34269 | 241 | icase ? WM_CASEFOLD : 0); |
3efd0bed | 242 | |
0624c63c ÆAB |
243 | if (!ret && !already_tried_absolute) { |
244 | /* | |
245 | * We've tried e.g. matching gitdir:~/work, but if | |
246 | * ~/work is a symlink to /mnt/storage/work | |
247 | * strbuf_realpath() will expand it, so the rule won't | |
248 | * match. Let's match against a | |
249 | * strbuf_add_absolute_path() version of the path, | |
250 | * which'll do the right thing | |
251 | */ | |
252 | strbuf_reset(&text); | |
253 | strbuf_add_absolute_path(&text, git_dir); | |
254 | already_tried_absolute = 1; | |
255 | goto again; | |
256 | } | |
3efd0bed NTND |
257 | done: |
258 | strbuf_release(&pattern); | |
259 | strbuf_release(&text); | |
260 | return ret; | |
261 | } | |
262 | ||
2185fde5 NTND |
263 | static int include_condition_is_true(const struct config_options *opts, |
264 | const char *cond, size_t cond_len) | |
3efd0bed NTND |
265 | { |
266 | ||
267 | if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len)) | |
2185fde5 | 268 | return include_by_gitdir(opts, cond, cond_len, 0); |
3efd0bed | 269 | else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len)) |
2185fde5 | 270 | return include_by_gitdir(opts, cond, cond_len, 1); |
3efd0bed NTND |
271 | |
272 | /* unknown conditionals are always false */ | |
273 | return 0; | |
274 | } | |
275 | ||
9b25a0b5 JK |
276 | int git_config_include(const char *var, const char *value, void *data) |
277 | { | |
278 | struct config_include_data *inc = data; | |
3efd0bed NTND |
279 | const char *cond, *key; |
280 | int cond_len; | |
9b25a0b5 JK |
281 | int ret; |
282 | ||
283 | /* | |
284 | * Pass along all values, including "include" directives; this makes it | |
285 | * possible to query information on the includes themselves. | |
286 | */ | |
287 | ret = inc->fn(var, value, inc->data); | |
288 | if (ret < 0) | |
289 | return ret; | |
290 | ||
37007c3a | 291 | if (!strcmp(var, "include.path")) |
9b25a0b5 | 292 | ret = handle_path_include(value, inc); |
3efd0bed NTND |
293 | |
294 | if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) && | |
2185fde5 | 295 | (cond && include_condition_is_true(inc->opts, cond, cond_len)) && |
3efd0bed NTND |
296 | !strcmp(key, "path")) |
297 | ret = handle_path_include(value, inc); | |
298 | ||
9b25a0b5 JK |
299 | return ret; |
300 | } | |
301 | ||
2b64fc89 JK |
302 | void git_config_push_parameter(const char *text) |
303 | { | |
304 | struct strbuf env = STRBUF_INIT; | |
305 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 306 | if (old && *old) { |
2b64fc89 JK |
307 | strbuf_addstr(&env, old); |
308 | strbuf_addch(&env, ' '); | |
309 | } | |
310 | sq_quote_buf(&env, text); | |
311 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
312 | strbuf_release(&env); | |
313 | } | |
314 | ||
ee98df3f JH |
315 | static inline int iskeychar(int c) |
316 | { | |
317 | return isalnum(c) || c == '-'; | |
318 | } | |
319 | ||
320 | /* | |
321 | * Auxiliary function to sanity-check and split the key into the section | |
322 | * identifier and variable name. | |
323 | * | |
324 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
325 | * -2 if there is no section name in the key. | |
326 | * | |
327 | * store_key - pointer to char* which will hold a copy of the key with | |
328 | * lowercase section and variable name | |
329 | * baselen - pointer to int which will hold the length of the | |
330 | * section + subsection part, can be NULL | |
331 | */ | |
332 | static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet) | |
333 | { | |
334 | int i, dot, baselen; | |
335 | const char *last_dot = strrchr(key, '.'); | |
336 | ||
337 | /* | |
338 | * Since "key" actually contains the section name and the real | |
339 | * key name separated by a dot, we have to know where the dot is. | |
340 | */ | |
341 | ||
342 | if (last_dot == NULL || last_dot == key) { | |
343 | if (!quiet) | |
344 | error("key does not contain a section: %s", key); | |
345 | return -CONFIG_NO_SECTION_OR_NAME; | |
346 | } | |
347 | ||
348 | if (!last_dot[1]) { | |
349 | if (!quiet) | |
350 | error("key does not contain variable name: %s", key); | |
351 | return -CONFIG_NO_SECTION_OR_NAME; | |
352 | } | |
353 | ||
354 | baselen = last_dot - key; | |
355 | if (baselen_) | |
356 | *baselen_ = baselen; | |
357 | ||
358 | /* | |
359 | * Validate the key and while at it, lower case it for matching. | |
360 | */ | |
361 | if (store_key) | |
362 | *store_key = xmallocz(strlen(key)); | |
363 | ||
364 | dot = 0; | |
365 | for (i = 0; key[i]; i++) { | |
366 | unsigned char c = key[i]; | |
367 | if (c == '.') | |
368 | dot = 1; | |
369 | /* Leave the extended basename untouched.. */ | |
370 | if (!dot || i > baselen) { | |
371 | if (!iskeychar(c) || | |
372 | (i == baselen + 1 && !isalpha(c))) { | |
373 | if (!quiet) | |
374 | error("invalid key: %s", key); | |
375 | goto out_free_ret_1; | |
376 | } | |
377 | c = tolower(c); | |
378 | } else if (c == '\n') { | |
379 | if (!quiet) | |
380 | error("invalid key (newline): %s", key); | |
381 | goto out_free_ret_1; | |
382 | } | |
383 | if (store_key) | |
384 | (*store_key)[i] = c; | |
385 | } | |
386 | ||
387 | return 0; | |
388 | ||
389 | out_free_ret_1: | |
390 | if (store_key) { | |
6a83d902 | 391 | FREE_AND_NULL(*store_key); |
ee98df3f JH |
392 | } |
393 | return -CONFIG_INVALID_KEY; | |
394 | } | |
395 | ||
396 | int git_config_parse_key(const char *key, char **store_key, int *baselen) | |
397 | { | |
398 | return git_config_parse_key_1(key, store_key, baselen, 0); | |
399 | } | |
400 | ||
401 | int git_config_key_is_valid(const char *key) | |
402 | { | |
403 | return !git_config_parse_key_1(key, NULL, NULL, 1); | |
404 | } | |
405 | ||
2496844b JK |
406 | int git_config_parse_parameter(const char *text, |
407 | config_fn_t fn, void *data) | |
8b1fa778 | 408 | { |
a789ca70 | 409 | const char *value; |
1274a155 | 410 | char *canonical_name; |
572e4f6a | 411 | struct strbuf **pair; |
1274a155 | 412 | int ret; |
a789ca70 | 413 | |
f77bccae | 414 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
415 | if (!pair[0]) |
416 | return error("bogus config parameter: %s", text); | |
a789ca70 JH |
417 | |
418 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 419 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
420 | value = pair[1] ? pair[1]->buf : ""; |
421 | } else { | |
422 | value = NULL; | |
423 | } | |
424 | ||
572e4f6a AR |
425 | strbuf_trim(pair[0]); |
426 | if (!pair[0]->len) { | |
427 | strbuf_list_free(pair); | |
06eb708f | 428 | return error("bogus config parameter: %s", text); |
8b1fa778 | 429 | } |
1274a155 JH |
430 | |
431 | if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) { | |
432 | ret = -1; | |
433 | } else { | |
434 | ret = (fn(canonical_name, value, data) < 0) ? -1 : 0; | |
435 | free(canonical_name); | |
572e4f6a AR |
436 | } |
437 | strbuf_list_free(pair); | |
1274a155 | 438 | return ret; |
8b1fa778 AR |
439 | } |
440 | ||
06eb708f JK |
441 | int git_config_from_parameters(config_fn_t fn, void *data) |
442 | { | |
2b64fc89 | 443 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
a77d6db6 | 444 | int ret = 0; |
2b64fc89 JK |
445 | char *envw; |
446 | const char **argv = NULL; | |
447 | int nr = 0, alloc = 0; | |
448 | int i; | |
3258258f | 449 | struct config_source source; |
2b64fc89 JK |
450 | |
451 | if (!env) | |
452 | return 0; | |
3258258f JK |
453 | |
454 | memset(&source, 0, sizeof(source)); | |
455 | source.prev = cf; | |
1b8132d9 | 456 | source.origin_type = CONFIG_ORIGIN_CMDLINE; |
3258258f JK |
457 | cf = &source; |
458 | ||
2b64fc89 JK |
459 | /* sq_dequote will write over it */ |
460 | envw = xstrdup(env); | |
461 | ||
462 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
a77d6db6 JK |
463 | ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT); |
464 | goto out; | |
2b64fc89 JK |
465 | } |
466 | ||
467 | for (i = 0; i < nr; i++) { | |
06eb708f | 468 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
a77d6db6 JK |
469 | ret = -1; |
470 | goto out; | |
2b64fc89 JK |
471 | } |
472 | } | |
473 | ||
a77d6db6 | 474 | out: |
2b64fc89 JK |
475 | free(argv); |
476 | free(envw); | |
3258258f | 477 | cf = source.prev; |
a77d6db6 | 478 | return ret; |
2b64fc89 JK |
479 | } |
480 | ||
17712991 LT |
481 | static int get_next_char(void) |
482 | { | |
49d6cfa5 | 483 | int c = cf->do_fgetc(cf); |
17712991 | 484 | |
dbb9a812 HV |
485 | if (c == '\r') { |
486 | /* DOS like systems */ | |
49d6cfa5 | 487 | c = cf->do_fgetc(cf); |
dbb9a812 | 488 | if (c != '\n') { |
5e0be134 JK |
489 | if (c != EOF) |
490 | cf->do_ungetc(c, cf); | |
dbb9a812 | 491 | c = '\r'; |
17712991 LT |
492 | } |
493 | } | |
dbb9a812 HV |
494 | if (c == '\n') |
495 | cf->linenr++; | |
496 | if (c == EOF) { | |
497 | cf->eof = 1; | |
b3b3f60b | 498 | cf->linenr++; |
dbb9a812 HV |
499 | c = '\n'; |
500 | } | |
17712991 LT |
501 | return c; |
502 | } | |
503 | ||
504 | static char *parse_value(void) | |
505 | { | |
e96c19c5 | 506 | int quote = 0, comment = 0, space = 0; |
17712991 | 507 | |
924aaf3e | 508 | strbuf_reset(&cf->value); |
17712991 LT |
509 | for (;;) { |
510 | int c = get_next_char(); | |
17712991 | 511 | if (c == '\n') { |
4b340593 MS |
512 | if (quote) { |
513 | cf->linenr--; | |
17712991 | 514 | return NULL; |
4b340593 | 515 | } |
924aaf3e | 516 | return cf->value.buf; |
17712991 LT |
517 | } |
518 | if (comment) | |
519 | continue; | |
520 | if (isspace(c) && !quote) { | |
924aaf3e | 521 | if (cf->value.len) |
ebdaae37 | 522 | space++; |
17712991 LT |
523 | continue; |
524 | } | |
7ebdba61 JS |
525 | if (!quote) { |
526 | if (c == ';' || c == '#') { | |
527 | comment = 1; | |
528 | continue; | |
529 | } | |
530 | } | |
ebdaae37 | 531 | for (; space; space--) |
924aaf3e | 532 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
533 | if (c == '\\') { |
534 | c = get_next_char(); | |
535 | switch (c) { | |
536 | case '\n': | |
537 | continue; | |
538 | case 't': | |
539 | c = '\t'; | |
540 | break; | |
541 | case 'b': | |
542 | c = '\b'; | |
543 | break; | |
544 | case 'n': | |
545 | c = '\n'; | |
546 | break; | |
5cbb401d LT |
547 | /* Some characters escape as themselves */ |
548 | case '\\': case '"': | |
549 | break; | |
550 | /* Reject unknown escape sequences */ | |
551 | default: | |
552 | return NULL; | |
17712991 | 553 | } |
924aaf3e | 554 | strbuf_addch(&cf->value, c); |
17712991 LT |
555 | continue; |
556 | } | |
557 | if (c == '"') { | |
558 | quote = 1-quote; | |
559 | continue; | |
560 | } | |
924aaf3e | 561 | strbuf_addch(&cf->value, c); |
17712991 LT |
562 | } |
563 | } | |
564 | ||
0971e992 | 565 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
566 | { |
567 | int c; | |
568 | char *value; | |
b3b3f60b | 569 | int ret; |
17712991 LT |
570 | |
571 | /* Get the full name */ | |
572 | for (;;) { | |
573 | c = get_next_char(); | |
924aaf3e | 574 | if (cf->eof) |
17712991 | 575 | break; |
38c5afa8 | 576 | if (!iskeychar(c)) |
17712991 | 577 | break; |
0971e992 | 578 | strbuf_addch(name, tolower(c)); |
17712991 | 579 | } |
0971e992 | 580 | |
17712991 LT |
581 | while (c == ' ' || c == '\t') |
582 | c = get_next_char(); | |
583 | ||
584 | value = NULL; | |
585 | if (c != '\n') { | |
586 | if (c != '=') | |
587 | return -1; | |
588 | value = parse_value(); | |
589 | if (!value) | |
590 | return -1; | |
591 | } | |
b3b3f60b MM |
592 | /* |
593 | * We already consumed the \n, but we need linenr to point to | |
594 | * the line we just parsed during the call to fn to get | |
595 | * accurate line number in error messages. | |
596 | */ | |
597 | cf->linenr--; | |
598 | ret = fn(name->buf, value, data); | |
e2e14251 JS |
599 | if (ret >= 0) |
600 | cf->linenr++; | |
b3b3f60b | 601 | return ret; |
17712991 LT |
602 | } |
603 | ||
0971e992 | 604 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
605 | { |
606 | do { | |
607 | if (c == '\n') | |
4b340593 | 608 | goto error_incomplete_line; |
d14f7764 LT |
609 | c = get_next_char(); |
610 | } while (isspace(c)); | |
611 | ||
612 | /* We require the format to be '[base "extension"]' */ | |
613 | if (c != '"') | |
614 | return -1; | |
0971e992 | 615 | strbuf_addch(name, '.'); |
d14f7764 LT |
616 | |
617 | for (;;) { | |
618 | int c = get_next_char(); | |
619 | if (c == '\n') | |
4b340593 | 620 | goto error_incomplete_line; |
d14f7764 LT |
621 | if (c == '"') |
622 | break; | |
623 | if (c == '\\') { | |
624 | c = get_next_char(); | |
625 | if (c == '\n') | |
4b340593 | 626 | goto error_incomplete_line; |
d14f7764 | 627 | } |
0971e992 | 628 | strbuf_addch(name, c); |
d14f7764 LT |
629 | } |
630 | ||
631 | /* Final ']' */ | |
632 | if (get_next_char() != ']') | |
633 | return -1; | |
0971e992 | 634 | return 0; |
4b340593 MS |
635 | error_incomplete_line: |
636 | cf->linenr--; | |
637 | return -1; | |
d14f7764 LT |
638 | } |
639 | ||
0971e992 | 640 | static int get_base_var(struct strbuf *name) |
17712991 | 641 | { |
17712991 LT |
642 | for (;;) { |
643 | int c = get_next_char(); | |
924aaf3e | 644 | if (cf->eof) |
17712991 LT |
645 | return -1; |
646 | if (c == ']') | |
0971e992 | 647 | return 0; |
d14f7764 | 648 | if (isspace(c)) |
0971e992 | 649 | return get_extended_base_var(name, c); |
38c5afa8 | 650 | if (!iskeychar(c) && c != '.') |
17712991 | 651 | return -1; |
0971e992 | 652 | strbuf_addch(name, tolower(c)); |
17712991 LT |
653 | } |
654 | } | |
655 | ||
4d8dd149 | 656 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
657 | { |
658 | int comment = 0; | |
659 | int baselen = 0; | |
0971e992 | 660 | struct strbuf *var = &cf->var; |
1b8132d9 VA |
661 | int error_return = 0; |
662 | char *error_msg = NULL; | |
17712991 | 663 | |
de056402 | 664 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 665 | const char *bomptr = utf8_bom; |
de056402 | 666 | |
17712991 LT |
667 | for (;;) { |
668 | int c = get_next_char(); | |
de056402 PB |
669 | if (bomptr && *bomptr) { |
670 | /* We are at the file beginning; skip UTF8-encoded BOM | |
671 | * if present. Sane editors won't put this in on their | |
672 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 673 | if (c == (*bomptr & 0377)) { |
de056402 PB |
674 | bomptr++; |
675 | continue; | |
676 | } else { | |
677 | /* Do not tolerate partial BOM. */ | |
678 | if (bomptr != utf8_bom) | |
679 | break; | |
680 | /* No BOM at file beginning. Cool. */ | |
681 | bomptr = NULL; | |
682 | } | |
683 | } | |
17712991 | 684 | if (c == '\n') { |
924aaf3e | 685 | if (cf->eof) |
17712991 LT |
686 | return 0; |
687 | comment = 0; | |
688 | continue; | |
689 | } | |
690 | if (comment || isspace(c)) | |
691 | continue; | |
692 | if (c == '#' || c == ';') { | |
693 | comment = 1; | |
694 | continue; | |
695 | } | |
696 | if (c == '[') { | |
0971e992 BW |
697 | /* Reset prior to determining a new stem */ |
698 | strbuf_reset(var); | |
699 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 700 | break; |
0971e992 BW |
701 | strbuf_addch(var, '.'); |
702 | baselen = var->len; | |
17712991 LT |
703 | continue; |
704 | } | |
705 | if (!isalpha(c)) | |
706 | break; | |
0971e992 BW |
707 | /* |
708 | * Truncate the var name back to the section header | |
709 | * stem prior to grabbing the suffix part of the name | |
710 | * and the value. | |
711 | */ | |
712 | strbuf_setlen(var, baselen); | |
713 | strbuf_addch(var, tolower(c)); | |
714 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
715 | break; |
716 | } | |
1b8132d9 VA |
717 | |
718 | switch (cf->origin_type) { | |
719 | case CONFIG_ORIGIN_BLOB: | |
720 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
721 | cf->linenr, cf->name); | |
722 | break; | |
723 | case CONFIG_ORIGIN_FILE: | |
724 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
725 | cf->linenr, cf->name); | |
726 | break; | |
727 | case CONFIG_ORIGIN_STDIN: | |
728 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
729 | cf->linenr); | |
730 | break; | |
731 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
732 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
733 | cf->linenr, cf->name); | |
734 | break; | |
735 | case CONFIG_ORIGIN_CMDLINE: | |
736 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
737 | cf->linenr, cf->name); | |
738 | break; | |
739 | default: | |
740 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
741 | cf->linenr, cf->name); | |
742 | } | |
743 | ||
b2dc0945 | 744 | if (cf->die_on_error) |
1b8132d9 | 745 | die("%s", error_msg); |
b2dc0945 | 746 | else |
1b8132d9 VA |
747 | error_return = error("%s", error_msg); |
748 | ||
749 | free(error_msg); | |
750 | return error_return; | |
17712991 LT |
751 | } |
752 | ||
ebaa1bd4 | 753 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
754 | { |
755 | if (!*end) | |
756 | return 1; | |
c8deb5a1 SP |
757 | else if (!strcasecmp(end, "k")) { |
758 | *val *= 1024; | |
759 | return 1; | |
760 | } | |
761 | else if (!strcasecmp(end, "m")) { | |
762 | *val *= 1024 * 1024; | |
763 | return 1; | |
764 | } | |
765 | else if (!strcasecmp(end, "g")) { | |
766 | *val *= 1024 * 1024 * 1024; | |
767 | return 1; | |
768 | } | |
769 | return 0; | |
0b87b6e0 BD |
770 | } |
771 | ||
7192777d | 772 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
773 | { |
774 | if (value && *value) { | |
775 | char *end; | |
ebaa1bd4 NA |
776 | intmax_t val; |
777 | uintmax_t uval; | |
778 | uintmax_t factor = 1; | |
779 | ||
780 | errno = 0; | |
781 | val = strtoimax(value, &end, 0); | |
782 | if (errno == ERANGE) | |
783 | return 0; | |
33fdd77e JK |
784 | if (!parse_unit_factor(end, &factor)) { |
785 | errno = EINVAL; | |
c8deb5a1 | 786 | return 0; |
33fdd77e | 787 | } |
83915ba5 | 788 | uval = labs(val); |
ebaa1bd4 | 789 | uval *= factor; |
83915ba5 | 790 | if (uval > max || labs(val) > uval) { |
33fdd77e | 791 | errno = ERANGE; |
ebaa1bd4 | 792 | return 0; |
33fdd77e | 793 | } |
ebaa1bd4 NA |
794 | val *= factor; |
795 | *ret = val; | |
0b87b6e0 BD |
796 | return 1; |
797 | } | |
33fdd77e | 798 | errno = EINVAL; |
0b87b6e0 BD |
799 | return 0; |
800 | } | |
801 | ||
0b4dc661 | 802 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
803 | { |
804 | if (value && *value) { | |
805 | char *end; | |
ebaa1bd4 NA |
806 | uintmax_t val; |
807 | uintmax_t oldval; | |
808 | ||
809 | errno = 0; | |
810 | val = strtoumax(value, &end, 0); | |
811 | if (errno == ERANGE) | |
812 | return 0; | |
813 | oldval = val; | |
33fdd77e JK |
814 | if (!parse_unit_factor(end, &val)) { |
815 | errno = EINVAL; | |
c8deb5a1 | 816 | return 0; |
33fdd77e JK |
817 | } |
818 | if (val > max || oldval > val) { | |
819 | errno = ERANGE; | |
ebaa1bd4 | 820 | return 0; |
33fdd77e | 821 | } |
c8deb5a1 | 822 | *ret = val; |
0b87b6e0 | 823 | return 1; |
17712991 | 824 | } |
33fdd77e | 825 | errno = EINVAL; |
0b87b6e0 BD |
826 | return 0; |
827 | } | |
828 | ||
42d194e9 | 829 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 830 | { |
7192777d | 831 | intmax_t tmp; |
42d194e9 | 832 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
833 | return 0; |
834 | *ret = tmp; | |
835 | return 1; | |
836 | } | |
837 | ||
00160242 JK |
838 | static int git_parse_int64(const char *value, int64_t *ret) |
839 | { | |
840 | intmax_t tmp; | |
841 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
842 | return 0; | |
843 | *ret = tmp; | |
844 | return 1; | |
845 | } | |
846 | ||
7192777d JK |
847 | int git_parse_ulong(const char *value, unsigned long *ret) |
848 | { | |
849 | uintmax_t tmp; | |
850 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
851 | return 0; | |
852 | *ret = tmp; | |
853 | return 1; | |
854 | } | |
855 | ||
37ee680d DT |
856 | static int git_parse_ssize_t(const char *value, ssize_t *ret) |
857 | { | |
858 | intmax_t tmp; | |
859 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t))) | |
860 | return 0; | |
861 | *ret = tmp; | |
862 | return 1; | |
863 | } | |
864 | ||
06bdc23b | 865 | NORETURN |
2f666581 | 866 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 867 | { |
078fe305 JNA |
868 | const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit"); |
869 | ||
2f666581 JK |
870 | if (!value) |
871 | value = ""; | |
872 | ||
1b8132d9 | 873 | if (!(cf && cf->name)) |
078fe305 JNA |
874 | die(_("bad numeric config value '%s' for '%s': %s"), |
875 | value, name, error_type); | |
1b8132d9 VA |
876 | |
877 | switch (cf->origin_type) { | |
878 | case CONFIG_ORIGIN_BLOB: | |
078fe305 JNA |
879 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
880 | value, name, cf->name, error_type); | |
1b8132d9 | 881 | case CONFIG_ORIGIN_FILE: |
078fe305 JNA |
882 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
883 | value, name, cf->name, error_type); | |
1b8132d9 | 884 | case CONFIG_ORIGIN_STDIN: |
078fe305 JNA |
885 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
886 | value, name, error_type); | |
1b8132d9 | 887 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 JNA |
888 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
889 | value, name, cf->name, error_type); | |
1b8132d9 | 890 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 JNA |
891 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
892 | value, name, cf->name, error_type); | |
1b8132d9 | 893 | default: |
078fe305 JNA |
894 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
895 | value, name, cf->name, error_type); | |
1b8132d9 | 896 | } |
c1867cea JK |
897 | } |
898 | ||
0b87b6e0 BD |
899 | int git_config_int(const char *name, const char *value) |
900 | { | |
42d194e9 JK |
901 | int ret; |
902 | if (!git_parse_int(value, &ret)) | |
2f666581 | 903 | die_bad_number(name, value); |
0b87b6e0 BD |
904 | return ret; |
905 | } | |
906 | ||
00160242 JK |
907 | int64_t git_config_int64(const char *name, const char *value) |
908 | { | |
909 | int64_t ret; | |
910 | if (!git_parse_int64(value, &ret)) | |
911 | die_bad_number(name, value); | |
0b87b6e0 BD |
912 | return ret; |
913 | } | |
914 | ||
915 | unsigned long git_config_ulong(const char *name, const char *value) | |
916 | { | |
917 | unsigned long ret; | |
918 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 919 | die_bad_number(name, value); |
0b87b6e0 | 920 | return ret; |
17712991 LT |
921 | } |
922 | ||
37ee680d DT |
923 | ssize_t git_config_ssize_t(const char *name, const char *value) |
924 | { | |
925 | ssize_t ret; | |
926 | if (!git_parse_ssize_t(value, &ret)) | |
927 | die_bad_number(name, value); | |
928 | return ret; | |
929 | } | |
930 | ||
9a549d43 | 931 | int git_parse_maybe_bool(const char *value) |
17712991 LT |
932 | { |
933 | if (!value) | |
934 | return 1; | |
935 | if (!*value) | |
936 | return 0; | |
8420ccd8 JH |
937 | if (!strcasecmp(value, "true") |
938 | || !strcasecmp(value, "yes") | |
939 | || !strcasecmp(value, "on")) | |
17712991 | 940 | return 1; |
8420ccd8 JH |
941 | if (!strcasecmp(value, "false") |
942 | || !strcasecmp(value, "no") | |
943 | || !strcasecmp(value, "off")) | |
17712991 | 944 | return 0; |
8420ccd8 JH |
945 | return -1; |
946 | } | |
947 | ||
b2be2f6a JK |
948 | int git_config_maybe_bool(const char *name, const char *value) |
949 | { | |
9a549d43 | 950 | int v = git_parse_maybe_bool(value); |
b2be2f6a JK |
951 | if (0 <= v) |
952 | return v; | |
42d194e9 | 953 | if (git_parse_int(value, &v)) |
db6195ef | 954 | return !!v; |
b2be2f6a JK |
955 | return -1; |
956 | } | |
957 | ||
8420ccd8 JH |
958 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
959 | { | |
9a549d43 | 960 | int v = git_parse_maybe_bool(value); |
8420ccd8 JH |
961 | if (0 <= v) { |
962 | *is_bool = 1; | |
963 | return v; | |
964 | } | |
a53f2ec6 | 965 | *is_bool = 0; |
c35b0b58 | 966 | return git_config_int(name, value); |
17712991 LT |
967 | } |
968 | ||
a53f2ec6 JH |
969 | int git_config_bool(const char *name, const char *value) |
970 | { | |
971 | int discard; | |
c35b0b58 | 972 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
973 | } |
974 | ||
ea5105a5 CC |
975 | int git_config_string(const char **dest, const char *var, const char *value) |
976 | { | |
977 | if (!value) | |
978 | return config_error_nonbool(var); | |
979 | *dest = xstrdup(value); | |
980 | return 0; | |
981 | } | |
982 | ||
395de250 MM |
983 | int git_config_pathname(const char **dest, const char *var, const char *value) |
984 | { | |
985 | if (!value) | |
986 | return config_error_nonbool(var); | |
4aad2f16 | 987 | *dest = expand_user_path(value, 0); |
395de250 | 988 | if (!*dest) |
8262aaa2 | 989 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
990 | return 0; |
991 | } | |
992 | ||
806e2ad7 | 993 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
994 | { |
995 | /* This needs a better name */ | |
996 | if (!strcmp(var, "core.filemode")) { | |
997 | trust_executable_bit = git_config_bool(var, value); | |
998 | return 0; | |
999 | } | |
1ce4790b AR |
1000 | if (!strcmp(var, "core.trustctime")) { |
1001 | trust_ctime = git_config_bool(var, value); | |
1002 | return 0; | |
1003 | } | |
c1b5d738 | 1004 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
1005 | if (!strcasecmp(value, "default")) |
1006 | check_stat = 1; | |
1007 | else if (!strcasecmp(value, "minimal")) | |
1008 | check_stat = 0; | |
1009 | } | |
17712991 | 1010 | |
9378c161 JH |
1011 | if (!strcmp(var, "core.quotepath")) { |
1012 | quote_path_fully = git_config_bool(var, value); | |
1013 | return 0; | |
1014 | } | |
1015 | ||
78a8d641 JS |
1016 | if (!strcmp(var, "core.symlinks")) { |
1017 | has_symlinks = git_config_bool(var, value); | |
1018 | return 0; | |
1019 | } | |
1020 | ||
0a9b88b7 LT |
1021 | if (!strcmp(var, "core.ignorecase")) { |
1022 | ignore_case = git_config_bool(var, value); | |
1023 | return 0; | |
1024 | } | |
1025 | ||
64589a03 JH |
1026 | if (!strcmp(var, "core.attributesfile")) |
1027 | return git_config_pathname(&git_attributes_file, var, value); | |
1028 | ||
867ad08a ÆAB |
1029 | if (!strcmp(var, "core.hookspath")) |
1030 | return git_config_pathname(&git_hooks_path, var, value); | |
1031 | ||
7d1864ce JH |
1032 | if (!strcmp(var, "core.bare")) { |
1033 | is_bare_repository_cfg = git_config_bool(var, value); | |
1034 | return 0; | |
1035 | } | |
1036 | ||
5f73076c JH |
1037 | if (!strcmp(var, "core.ignorestat")) { |
1038 | assume_unchanged = git_config_bool(var, value); | |
1039 | return 0; | |
1040 | } | |
1041 | ||
e388c738 JH |
1042 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
1043 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
1044 | return 0; |
1045 | } | |
1046 | ||
6de08ae6 | 1047 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
1048 | if (value && !strcasecmp(value, "always")) |
1049 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
1050 | else if (git_config_bool(var, value)) | |
1051 | log_all_ref_updates = LOG_REFS_NORMAL; | |
1052 | else | |
1053 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
1054 | return 0; |
1055 | } | |
1056 | ||
2f8acdb3 JH |
1057 | if (!strcmp(var, "core.warnambiguousrefs")) { |
1058 | warn_ambiguous_refs = git_config_bool(var, value); | |
1059 | return 0; | |
1060 | } | |
1061 | ||
a71f09fe | 1062 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
1063 | if (!value) |
1064 | return config_error_nonbool(var); | |
1065 | if (!strcasecmp(value, "auto")) | |
1066 | default_abbrev = -1; | |
1067 | else { | |
1068 | int abbrev = git_config_int(var, value); | |
1069 | if (abbrev < minimum_abbrev || abbrev > 40) | |
1070 | return error("abbrev length out of range: %d", abbrev); | |
1071 | default_abbrev = abbrev; | |
1072 | } | |
dce96489 LT |
1073 | return 0; |
1074 | } | |
1075 | ||
5b33cb1f JK |
1076 | if (!strcmp(var, "core.disambiguate")) |
1077 | return set_disambiguate_hint_config(var, value); | |
1078 | ||
960ccca6 | 1079 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
1080 | int level = git_config_int(var, value); |
1081 | if (level == -1) | |
1082 | level = Z_DEFAULT_COMPRESSION; | |
1083 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1084 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 1085 | zlib_compression_level = level; |
960ccca6 DH |
1086 | zlib_compression_seen = 1; |
1087 | return 0; | |
1088 | } | |
1089 | ||
1090 | if (!strcmp(var, "core.compression")) { | |
1091 | int level = git_config_int(var, value); | |
1092 | if (level == -1) | |
1093 | level = Z_DEFAULT_COMPRESSION; | |
1094 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 1095 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
1096 | core_compression_level = level; |
1097 | core_compression_seen = 1; | |
1098 | if (!zlib_compression_seen) | |
1099 | zlib_compression_level = level; | |
8de7eeb5 JH |
1100 | if (!pack_compression_seen) |
1101 | pack_compression_level = level; | |
12f6c308 JBH |
1102 | return 0; |
1103 | } | |
1104 | ||
60bb8b14 | 1105 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 1106 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 1107 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
1108 | |
1109 | /* This value must be multiple of (pagesize * 2) */ | |
1110 | packed_git_window_size /= pgsz_x2; | |
1111 | if (packed_git_window_size < 1) | |
1112 | packed_git_window_size = 1; | |
1113 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
1114 | return 0; |
1115 | } | |
1116 | ||
15366280 | 1117 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 1118 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
1119 | return 0; |
1120 | } | |
1121 | ||
77ccc5bb | 1122 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 1123 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
1124 | return 0; |
1125 | } | |
1126 | ||
18bdec11 | 1127 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 1128 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
1129 | return 0; |
1130 | } | |
1131 | ||
6c510bee | 1132 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 1133 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 1134 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
1135 | return 0; |
1136 | } | |
6c510bee LT |
1137 | auto_crlf = git_config_bool(var, value); |
1138 | return 0; | |
1139 | } | |
1140 | ||
21e5ad50 SP |
1141 | if (!strcmp(var, "core.safecrlf")) { |
1142 | if (value && !strcasecmp(value, "warn")) { | |
1143 | safe_crlf = SAFE_CRLF_WARN; | |
1144 | return 0; | |
1145 | } | |
1146 | safe_crlf = git_config_bool(var, value); | |
1147 | return 0; | |
1148 | } | |
1149 | ||
942e7747 EB |
1150 | if (!strcmp(var, "core.eol")) { |
1151 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 1152 | core_eol = EOL_LF; |
942e7747 | 1153 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 1154 | core_eol = EOL_CRLF; |
942e7747 | 1155 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 1156 | core_eol = EOL_NATIVE; |
942e7747 | 1157 | else |
ec70f52f | 1158 | core_eol = EOL_UNSET; |
942e7747 EB |
1159 | return 0; |
1160 | } | |
1161 | ||
a97a7468 JS |
1162 | if (!strcmp(var, "core.notesref")) { |
1163 | notes_ref_name = xstrdup(value); | |
1164 | return 0; | |
1165 | } | |
1166 | ||
806e2ad7 LT |
1167 | if (!strcmp(var, "core.editor")) |
1168 | return git_config_string(&editor_program, var, value); | |
1169 | ||
eff80a9f | 1170 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
1171 | if (!value) |
1172 | return config_error_nonbool(var); | |
ad524f83 | 1173 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 1174 | auto_comment_line_char = 1; |
ad524f83 | 1175 | else if (value[0] && !value[1]) { |
649409b7 | 1176 | comment_line_char = value[0]; |
84c9dc2c | 1177 | auto_comment_line_char = 0; |
50b54fd7 NTND |
1178 | } else |
1179 | return error("core.commentChar should only be one character"); | |
1180 | return 0; | |
eff80a9f JH |
1181 | } |
1182 | ||
d3e7da89 AK |
1183 | if (!strcmp(var, "core.askpass")) |
1184 | return git_config_string(&askpass_program, var, value); | |
1185 | ||
806e2ad7 | 1186 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 1187 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
1188 | |
1189 | if (!strcmp(var, "core.whitespace")) { | |
1190 | if (!value) | |
1191 | return config_error_nonbool(var); | |
1192 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
1193 | return 0; | |
1194 | } | |
1195 | ||
aafe9fba LT |
1196 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
1197 | fsync_object_files = git_config_bool(var, value); | |
1198 | return 0; | |
1199 | } | |
1200 | ||
671c9b7e LT |
1201 | if (!strcmp(var, "core.preloadindex")) { |
1202 | core_preload_index = git_config_bool(var, value); | |
1203 | return 0; | |
1204 | } | |
1205 | ||
348df166 JS |
1206 | if (!strcmp(var, "core.createobject")) { |
1207 | if (!strcmp(value, "rename")) | |
1208 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
1209 | else if (!strcmp(value, "link")) | |
1210 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
1211 | else | |
8262aaa2 | 1212 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
1213 | return 0; |
1214 | } | |
1215 | ||
08aefc9e NTND |
1216 | if (!strcmp(var, "core.sparsecheckout")) { |
1217 | core_apply_sparse_checkout = git_config_bool(var, value); | |
1218 | return 0; | |
1219 | } | |
1220 | ||
76759c7d TB |
1221 | if (!strcmp(var, "core.precomposeunicode")) { |
1222 | precomposed_unicode = git_config_bool(var, value); | |
1223 | return 0; | |
1224 | } | |
1225 | ||
a42643aa JK |
1226 | if (!strcmp(var, "core.protecthfs")) { |
1227 | protect_hfs = git_config_bool(var, value); | |
1228 | return 0; | |
1229 | } | |
1230 | ||
2b4c6efc JS |
1231 | if (!strcmp(var, "core.protectntfs")) { |
1232 | protect_ntfs = git_config_bool(var, value); | |
1233 | return 0; | |
76759c7d TB |
1234 | } |
1235 | ||
f30afdab JS |
1236 | if (!strcmp(var, "core.hidedotfiles")) { |
1237 | if (value && !strcasecmp(value, "dotgitonly")) | |
1238 | hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; | |
1239 | else | |
1240 | hide_dotfiles = git_config_bool(var, value); | |
1241 | return 0; | |
1242 | } | |
1243 | ||
806e2ad7 LT |
1244 | /* Add other config variables here and to Documentation/config.txt. */ |
1245 | return 0; | |
1246 | } | |
1247 | ||
1141f492 | 1248 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1249 | { |
ea5105a5 CC |
1250 | if (!strcmp(var, "i18n.commitencoding")) |
1251 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1252 | |
ea5105a5 CC |
1253 | if (!strcmp(var, "i18n.logoutputencoding")) |
1254 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1255 | |
1141f492 LT |
1256 | /* Add other config variables here and to Documentation/config.txt. */ |
1257 | return 0; | |
1258 | } | |
039bc64e | 1259 | |
1141f492 LT |
1260 | static int git_default_branch_config(const char *var, const char *value) |
1261 | { | |
9ed36cfa JS |
1262 | if (!strcmp(var, "branch.autosetupmerge")) { |
1263 | if (value && !strcasecmp(value, "always")) { | |
1264 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
1265 | return 0; | |
1266 | } | |
1267 | git_branch_track = git_config_bool(var, value); | |
1268 | return 0; | |
1269 | } | |
c998ae9b DS |
1270 | if (!strcmp(var, "branch.autosetuprebase")) { |
1271 | if (!value) | |
1272 | return config_error_nonbool(var); | |
1273 | else if (!strcmp(value, "never")) | |
1274 | autorebase = AUTOREBASE_NEVER; | |
1275 | else if (!strcmp(value, "local")) | |
1276 | autorebase = AUTOREBASE_LOCAL; | |
1277 | else if (!strcmp(value, "remote")) | |
1278 | autorebase = AUTOREBASE_REMOTE; | |
1279 | else if (!strcmp(value, "always")) | |
1280 | autorebase = AUTOREBASE_ALWAYS; | |
1281 | else | |
8c3ca351 | 1282 | return error("malformed value for %s", var); |
c998ae9b DS |
1283 | return 0; |
1284 | } | |
a9cc857a | 1285 | |
1ab661dd | 1286 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1287 | return 0; |
1288 | } | |
1289 | ||
52153747 FAG |
1290 | static int git_default_push_config(const char *var, const char *value) |
1291 | { | |
1292 | if (!strcmp(var, "push.default")) { | |
1293 | if (!value) | |
1294 | return config_error_nonbool(var); | |
1295 | else if (!strcmp(value, "nothing")) | |
1296 | push_default = PUSH_DEFAULT_NOTHING; | |
1297 | else if (!strcmp(value, "matching")) | |
1298 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1299 | else if (!strcmp(value, "simple")) |
1300 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1301 | else if (!strcmp(value, "upstream")) |
1302 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1303 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1304 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1305 | else if (!strcmp(value, "current")) |
1306 | push_default = PUSH_DEFAULT_CURRENT; | |
1307 | else { | |
8c3ca351 | 1308 | error("malformed value for %s: %s", var, value); |
b55e6775 MM |
1309 | return error("Must be one of nothing, matching, simple, " |
1310 | "upstream or current."); | |
52153747 FAG |
1311 | } |
1312 | return 0; | |
1313 | } | |
1314 | ||
1315 | /* Add other config variables here and to Documentation/config.txt. */ | |
1316 | return 0; | |
1317 | } | |
1318 | ||
d551a488 MSO |
1319 | static int git_default_mailmap_config(const char *var, const char *value) |
1320 | { | |
1321 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1322 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1323 | if (!strcmp(var, "mailmap.blob")) |
1324 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1325 | |
1326 | /* Add other config variables here and to Documentation/config.txt. */ | |
1327 | return 0; | |
1328 | } | |
1329 | ||
1141f492 LT |
1330 | int git_default_config(const char *var, const char *value, void *dummy) |
1331 | { | |
59556548 | 1332 | if (starts_with(var, "core.")) |
1141f492 LT |
1333 | return git_default_core_config(var, value); |
1334 | ||
59556548 | 1335 | if (starts_with(var, "user.")) |
9597921b | 1336 | return git_ident_config(var, value, dummy); |
1141f492 | 1337 | |
59556548 | 1338 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1339 | return git_default_i18n_config(var, value); |
1340 | ||
59556548 | 1341 | if (starts_with(var, "branch.")) |
1141f492 LT |
1342 | return git_default_branch_config(var, value); |
1343 | ||
59556548 | 1344 | if (starts_with(var, "push.")) |
52153747 FAG |
1345 | return git_default_push_config(var, value); |
1346 | ||
59556548 | 1347 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1348 | return git_default_mailmap_config(var, value); |
1349 | ||
59556548 | 1350 | if (starts_with(var, "advice.")) |
75194438 JK |
1351 | return git_default_advice_config(var, value); |
1352 | ||
1141f492 LT |
1353 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1354 | pager_use_color = git_config_bool(var,value); | |
1355 | return 0; | |
1356 | } | |
1357 | ||
568508e7 JH |
1358 | if (!strcmp(var, "pack.packsizelimit")) { |
1359 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1360 | return 0; | |
1361 | } | |
8de7eeb5 JH |
1362 | |
1363 | if (!strcmp(var, "pack.compression")) { | |
1364 | int level = git_config_int(var, value); | |
1365 | if (level == -1) | |
1366 | level = Z_DEFAULT_COMPRESSION; | |
1367 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1368 | die(_("bad pack compression level %d"), level); | |
1369 | pack_compression_level = level; | |
1370 | pack_compression_seen = 1; | |
1371 | return 0; | |
1372 | } | |
1373 | ||
1141f492 LT |
1374 | /* Add other config variables here and to Documentation/config.txt. */ |
1375 | return 0; | |
1376 | } | |
1377 | ||
ca4b5de2 | 1378 | /* |
b2dc0945 | 1379 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1380 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1381 | * this function. |
1382 | */ | |
4d8dd149 | 1383 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1384 | { |
1385 | int ret; | |
1386 | ||
1387 | /* push config-file parsing state stack */ | |
1388 | top->prev = cf; | |
1389 | top->linenr = 1; | |
1390 | top->eof = 0; | |
1391 | strbuf_init(&top->value, 1024); | |
1392 | strbuf_init(&top->var, 1024); | |
1393 | cf = top; | |
1394 | ||
4d8dd149 | 1395 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1396 | |
1397 | /* pop config-file parsing state stack */ | |
1398 | strbuf_release(&top->value); | |
1399 | strbuf_release(&top->var); | |
1400 | cf = top->prev; | |
1401 | ||
1402 | return ret; | |
1403 | } | |
1404 | ||
3caec73b | 1405 | static int do_config_from_file(config_fn_t fn, |
1b8132d9 VA |
1406 | const enum config_origin_type origin_type, |
1407 | const char *name, const char *path, FILE *f, | |
473166b9 | 1408 | void *data) |
17712991 | 1409 | { |
3caec73b | 1410 | struct config_source top; |
17712991 | 1411 | |
3caec73b | 1412 | top.u.file = f; |
473166b9 | 1413 | top.origin_type = origin_type; |
3caec73b KS |
1414 | top.name = name; |
1415 | top.path = path; | |
1416 | top.die_on_error = 1; | |
1417 | top.do_fgetc = config_file_fgetc; | |
1418 | top.do_ungetc = config_file_ungetc; | |
1419 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1420 | |
3caec73b KS |
1421 | return do_config_from(&top, fn, data); |
1422 | } | |
924aaf3e | 1423 | |
3caec73b KS |
1424 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1425 | { | |
1b8132d9 | 1426 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, data); |
3caec73b KS |
1427 | } |
1428 | ||
1429 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) | |
1430 | { | |
1431 | int ret = -1; | |
1432 | FILE *f; | |
924aaf3e | 1433 | |
e9d983f1 | 1434 | f = fopen_or_warn(filename, "r"); |
3caec73b | 1435 | if (f) { |
260d408e | 1436 | flockfile(f); |
1b8132d9 | 1437 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data); |
260d408e | 1438 | funlockfile(f); |
17712991 LT |
1439 | fclose(f); |
1440 | } | |
1441 | return ret; | |
1442 | } | |
10bea152 | 1443 | |
1b8132d9 | 1444 | int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_type, |
473166b9 | 1445 | const char *name, const char *buf, size_t len, void *data) |
1bc88819 HV |
1446 | { |
1447 | struct config_source top; | |
1448 | ||
1449 | top.u.buf.buf = buf; | |
1450 | top.u.buf.len = len; | |
1451 | top.u.buf.pos = 0; | |
473166b9 | 1452 | top.origin_type = origin_type; |
1bc88819 | 1453 | top.name = name; |
d14d4244 | 1454 | top.path = NULL; |
b2dc0945 | 1455 | top.die_on_error = 0; |
49d6cfa5 JK |
1456 | top.do_fgetc = config_buf_fgetc; |
1457 | top.do_ungetc = config_buf_ungetc; | |
1458 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1459 | |
1460 | return do_config_from(&top, fn, data); | |
1461 | } | |
1462 | ||
9ebf689a BW |
1463 | int git_config_from_blob_sha1(config_fn_t fn, |
1464 | const char *name, | |
1465 | const unsigned char *sha1, | |
1466 | void *data) | |
1bc88819 HV |
1467 | { |
1468 | enum object_type type; | |
1469 | char *buf; | |
1470 | unsigned long size; | |
1471 | int ret; | |
1472 | ||
1473 | buf = read_sha1_file(sha1, &type, &size); | |
1474 | if (!buf) | |
1475 | return error("unable to load config blob object '%s'", name); | |
1476 | if (type != OBJ_BLOB) { | |
1477 | free(buf); | |
1478 | return error("reference '%s' does not point to a blob", name); | |
1479 | } | |
1480 | ||
1b8132d9 | 1481 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data); |
1bc88819 HV |
1482 | free(buf); |
1483 | ||
1484 | return ret; | |
1485 | } | |
1486 | ||
1487 | static int git_config_from_blob_ref(config_fn_t fn, | |
1488 | const char *name, | |
1489 | void *data) | |
1490 | { | |
1491 | unsigned char sha1[20]; | |
1492 | ||
1493 | if (get_sha1(name, sha1) < 0) | |
1494 | return error("unable to resolve config blob '%s'", name); | |
1495 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1496 | } | |
1497 | ||
506b17b1 JS |
1498 | const char *git_etc_gitconfig(void) |
1499 | { | |
7f0e39fa | 1500 | static const char *system_wide; |
2de9de5e SP |
1501 | if (!system_wide) |
1502 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1503 | return system_wide; |
506b17b1 JS |
1504 | } |
1505 | ||
23b0c478 SP |
1506 | /* |
1507 | * Parse environment variable 'k' as a boolean (in various | |
1508 | * possible spellings); if missing, use the default value 'def'. | |
1509 | */ | |
0ef37164 | 1510 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1511 | { |
1512 | const char *v = getenv(k); | |
1513 | return v ? git_config_bool(k, v) : def; | |
1514 | } | |
1515 | ||
23b0c478 SP |
1516 | /* |
1517 | * Parse environment variable 'k' as ulong with possibly a unit | |
1518 | * suffix; if missing, use the default value 'val'. | |
1519 | */ | |
1520 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1521 | { | |
1522 | const char *v = getenv(k); | |
1523 | if (v && !git_parse_ulong(v, &val)) | |
1524 | die("failed to parse %s", k); | |
1525 | return val; | |
1526 | } | |
1527 | ||
ab88c363 JK |
1528 | int git_config_system(void) |
1529 | { | |
1530 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1531 | } | |
1532 | ||
e145a0bc NTND |
1533 | static int do_git_config_sequence(const struct config_options *opts, |
1534 | config_fn_t fn, void *data) | |
4f629539 | 1535 | { |
c72ee44b | 1536 | int ret = 0; |
509adc33 | 1537 | char *xdg_config = xdg_config_home("config"); |
4aad2f16 | 1538 | char *user_config = expand_user_path("~/.gitconfig", 0); |
e145a0bc NTND |
1539 | char *repo_config; |
1540 | ||
a577fb5f BW |
1541 | if (opts->commondir) |
1542 | repo_config = mkpathdup("%s/config", opts->commondir); | |
e145a0bc NTND |
1543 | else |
1544 | repo_config = NULL; | |
5f1a63e0 | 1545 | |
9acc5911 | 1546 | current_parsing_scope = CONFIG_SCOPE_SYSTEM; |
c72ee44b | 1547 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) |
dc871831 DB |
1548 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1549 | data); | |
5f1a63e0 | 1550 | |
9acc5911 | 1551 | current_parsing_scope = CONFIG_SCOPE_GLOBAL; |
c72ee44b | 1552 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1553 | ret += git_config_from_file(fn, xdg_config, data); |
21cf3227 | 1554 | |
c72ee44b | 1555 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1556 | ret += git_config_from_file(fn, user_config, data); |
5f1a63e0 | 1557 | |
9acc5911 | 1558 | current_parsing_scope = CONFIG_SCOPE_REPO; |
c72ee44b | 1559 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) |
aa387407 | 1560 | ret += git_config_from_file(fn, repo_config, data); |
8b1fa778 | 1561 | |
9acc5911 | 1562 | current_parsing_scope = CONFIG_SCOPE_CMDLINE; |
c72ee44b | 1563 | if (git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 1564 | die(_("unable to parse command-line config")); |
8b1fa778 | 1565 | |
9acc5911 | 1566 | current_parsing_scope = CONFIG_SCOPE_UNKNOWN; |
21cf3227 HKNN |
1567 | free(xdg_config); |
1568 | free(user_config); | |
80181868 | 1569 | free(repo_config); |
c72ee44b | 1570 | return ret; |
4f629539 JH |
1571 | } |
1572 | ||
dc8441fd BW |
1573 | int config_with_options(config_fn_t fn, void *data, |
1574 | struct git_config_source *config_source, | |
1575 | const struct config_options *opts) | |
dbdf5854 | 1576 | { |
9b25a0b5 JK |
1577 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1578 | ||
c48f4b37 | 1579 | if (opts->respect_includes) { |
9b25a0b5 JK |
1580 | inc.fn = fn; |
1581 | inc.data = data; | |
c48f4b37 | 1582 | inc.opts = opts; |
9b25a0b5 JK |
1583 | fn = git_config_include; |
1584 | data = &inc; | |
1585 | } | |
dbdf5854 | 1586 | |
c9b5e2a5 JK |
1587 | /* |
1588 | * If we have a specific filename, use it. Otherwise, follow the | |
1589 | * regular lookup sequence. | |
1590 | */ | |
3caec73b KS |
1591 | if (config_source && config_source->use_stdin) |
1592 | return git_config_from_stdin(fn, data); | |
1593 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1594 | return git_config_from_file(fn, config_source->file, data); |
1595 | else if (config_source && config_source->blob) | |
1596 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1597 | |
e145a0bc | 1598 | return do_git_config_sequence(opts, fn, data); |
dbdf5854 NTND |
1599 | } |
1600 | ||
155ef25f | 1601 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1602 | { |
155ef25f TA |
1603 | int i, value_index; |
1604 | struct string_list *values; | |
1605 | struct config_set_element *entry; | |
1606 | struct configset_list *list = &cs->list; | |
155ef25f TA |
1607 | |
1608 | for (i = 0; i < list->nr; i++) { | |
1609 | entry = list->items[i].e; | |
1610 | value_index = list->items[i].value_index; | |
1611 | values = &entry->value_list; | |
0d44a2da JK |
1612 | |
1613 | current_config_kvi = values->items[value_index].util; | |
1614 | ||
1615 | if (fn(entry->key, values->items[value_index].string, data) < 0) | |
1616 | git_die_config_linenr(entry->key, | |
1617 | current_config_kvi->filename, | |
1618 | current_config_kvi->linenr); | |
1619 | ||
1620 | current_config_kvi = NULL; | |
155ef25f TA |
1621 | } |
1622 | } | |
1623 | ||
0654aa57 JS |
1624 | void read_early_config(config_fn_t cb, void *data) |
1625 | { | |
c48f4b37 | 1626 | struct config_options opts = {0}; |
d3fb71b3 BW |
1627 | struct strbuf commondir = STRBUF_INIT; |
1628 | struct strbuf gitdir = STRBUF_INIT; | |
1a27409a | 1629 | |
c48f4b37 | 1630 | opts.respect_includes = 1; |
0654aa57 | 1631 | |
a577fb5f BW |
1632 | if (have_git_dir()) { |
1633 | opts.commondir = get_git_common_dir(); | |
2185fde5 | 1634 | opts.git_dir = get_git_dir(); |
0654aa57 | 1635 | /* |
1a27409a JS |
1636 | * When setup_git_directory() was not yet asked to discover the |
1637 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
1638 | * is any repository config we should use (but unlike | |
1639 | * setup_git_directory_gently(), no global state is changed, most | |
1640 | * notably, the current working directory is still the same after the | |
1641 | * call). | |
0654aa57 | 1642 | */ |
a577fb5f BW |
1643 | } else if (!discover_git_directory(&commondir, &gitdir)) { |
1644 | opts.commondir = commondir.buf; | |
d3fb71b3 | 1645 | opts.git_dir = gitdir.buf; |
a577fb5f | 1646 | } |
2185fde5 | 1647 | |
dc8441fd | 1648 | config_with_options(cb, data, NULL, &opts); |
0654aa57 | 1649 | |
d3fb71b3 BW |
1650 | strbuf_release(&commondir); |
1651 | strbuf_release(&gitdir); | |
0654aa57 JS |
1652 | } |
1653 | ||
3c8687a7 TA |
1654 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
1655 | { | |
1656 | struct config_set_element k; | |
1657 | struct config_set_element *found_entry; | |
1658 | char *normalized_key; | |
3c8687a7 TA |
1659 | /* |
1660 | * `key` may come from the user, so normalize it before using it | |
1661 | * for querying entries from the hashmap. | |
1662 | */ | |
270cd9ea | 1663 | if (git_config_parse_key(key, &normalized_key, NULL)) |
3c8687a7 TA |
1664 | return NULL; |
1665 | ||
1666 | hashmap_entry_init(&k, strhash(normalized_key)); | |
1667 | k.key = normalized_key; | |
1668 | found_entry = hashmap_get(&cs->config_hash, &k, NULL); | |
1669 | free(normalized_key); | |
1670 | return found_entry; | |
1671 | } | |
1672 | ||
1673 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
1674 | { | |
1675 | struct config_set_element *e; | |
3df8fd62 | 1676 | struct string_list_item *si; |
155ef25f | 1677 | struct configset_list_item *l_item; |
3df8fd62 TA |
1678 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
1679 | ||
3c8687a7 TA |
1680 | e = configset_find_element(cs, key); |
1681 | /* | |
1682 | * Since the keys are being fed by git_config*() callback mechanism, they | |
1683 | * are already normalized. So simply add them without any further munging. | |
1684 | */ | |
1685 | if (!e) { | |
1686 | e = xmalloc(sizeof(*e)); | |
1687 | hashmap_entry_init(e, strhash(key)); | |
1688 | e->key = xstrdup(key); | |
1689 | string_list_init(&e->value_list, 1); | |
1690 | hashmap_add(&cs->config_hash, e); | |
1691 | } | |
8c53f071 | 1692 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
1693 | |
1694 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
1695 | l_item = &cs->list.items[cs->list.nr++]; | |
1696 | l_item->e = e; | |
1697 | l_item->value_index = e->value_list.nr - 1; | |
1698 | ||
3258258f JK |
1699 | if (!cf) |
1700 | die("BUG: configset_add_value has no source"); | |
1701 | if (cf->name) { | |
3df8fd62 TA |
1702 | kv_info->filename = strintern(cf->name); |
1703 | kv_info->linenr = cf->linenr; | |
1b8132d9 | 1704 | kv_info->origin_type = cf->origin_type; |
3df8fd62 TA |
1705 | } else { |
1706 | /* for values read from `git_config_from_parameters()` */ | |
1707 | kv_info->filename = NULL; | |
1708 | kv_info->linenr = -1; | |
1b8132d9 | 1709 | kv_info->origin_type = CONFIG_ORIGIN_CMDLINE; |
3df8fd62 | 1710 | } |
9acc5911 | 1711 | kv_info->scope = current_parsing_scope; |
3df8fd62 | 1712 | si->util = kv_info; |
3c8687a7 TA |
1713 | |
1714 | return 0; | |
1715 | } | |
1716 | ||
7663cdc8 SB |
1717 | static int config_set_element_cmp(const void *unused_cmp_data, |
1718 | const struct config_set_element *e1, | |
1719 | const struct config_set_element *e2, | |
1720 | const void *unused_keydata) | |
3c8687a7 TA |
1721 | { |
1722 | return strcmp(e1->key, e2->key); | |
1723 | } | |
1724 | ||
1725 | void git_configset_init(struct config_set *cs) | |
1726 | { | |
7663cdc8 SB |
1727 | hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, |
1728 | NULL, 0); | |
3c8687a7 | 1729 | cs->hash_initialized = 1; |
155ef25f TA |
1730 | cs->list.nr = 0; |
1731 | cs->list.alloc = 0; | |
1732 | cs->list.items = NULL; | |
3c8687a7 TA |
1733 | } |
1734 | ||
1735 | void git_configset_clear(struct config_set *cs) | |
1736 | { | |
1737 | struct config_set_element *entry; | |
1738 | struct hashmap_iter iter; | |
1739 | if (!cs->hash_initialized) | |
1740 | return; | |
1741 | ||
1742 | hashmap_iter_init(&cs->config_hash, &iter); | |
1743 | while ((entry = hashmap_iter_next(&iter))) { | |
1744 | free(entry->key); | |
3df8fd62 | 1745 | string_list_clear(&entry->value_list, 1); |
3c8687a7 TA |
1746 | } |
1747 | hashmap_free(&cs->config_hash, 1); | |
1748 | cs->hash_initialized = 0; | |
155ef25f TA |
1749 | free(cs->list.items); |
1750 | cs->list.nr = 0; | |
1751 | cs->list.alloc = 0; | |
1752 | cs->list.items = NULL; | |
3c8687a7 TA |
1753 | } |
1754 | ||
1755 | static int config_set_callback(const char *key, const char *value, void *cb) | |
1756 | { | |
1757 | struct config_set *cs = cb; | |
1758 | configset_add_value(cs, key, value); | |
1759 | return 0; | |
1760 | } | |
1761 | ||
1762 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
1763 | { | |
1764 | return git_config_from_file(config_set_callback, filename, cs); | |
1765 | } | |
1766 | ||
1767 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
1768 | { | |
1769 | const struct string_list *values = NULL; | |
1770 | /* | |
1771 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
1772 | * queried key in the files of the configset, the value returned will be the last | |
1773 | * value in the value list for that key. | |
1774 | */ | |
1775 | values = git_configset_get_value_multi(cs, key); | |
1776 | ||
1777 | if (!values) | |
1778 | return 1; | |
1779 | assert(values->nr > 0); | |
1780 | *value = values->items[values->nr - 1].string; | |
1781 | return 0; | |
1782 | } | |
1783 | ||
1784 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
1785 | { | |
1786 | struct config_set_element *e = configset_find_element(cs, key); | |
1787 | return e ? &e->value_list : NULL; | |
1788 | } | |
1789 | ||
1790 | int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest) | |
1791 | { | |
1792 | const char *value; | |
1793 | if (!git_configset_get_value(cs, key, &value)) | |
1794 | return git_config_string(dest, key, value); | |
1795 | else | |
1796 | return 1; | |
1797 | } | |
1798 | ||
1799 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) | |
1800 | { | |
1801 | return git_configset_get_string_const(cs, key, (const char **)dest); | |
1802 | } | |
1803 | ||
1804 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
1805 | { | |
1806 | const char *value; | |
1807 | if (!git_configset_get_value(cs, key, &value)) { | |
1808 | *dest = git_config_int(key, value); | |
1809 | return 0; | |
1810 | } else | |
1811 | return 1; | |
1812 | } | |
1813 | ||
1814 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
1815 | { | |
1816 | const char *value; | |
1817 | if (!git_configset_get_value(cs, key, &value)) { | |
1818 | *dest = git_config_ulong(key, value); | |
1819 | return 0; | |
1820 | } else | |
1821 | return 1; | |
1822 | } | |
1823 | ||
1824 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
1825 | { | |
1826 | const char *value; | |
1827 | if (!git_configset_get_value(cs, key, &value)) { | |
1828 | *dest = git_config_bool(key, value); | |
1829 | return 0; | |
1830 | } else | |
1831 | return 1; | |
1832 | } | |
1833 | ||
1834 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
1835 | int *is_bool, int *dest) | |
1836 | { | |
1837 | const char *value; | |
1838 | if (!git_configset_get_value(cs, key, &value)) { | |
1839 | *dest = git_config_bool_or_int(key, value, is_bool); | |
1840 | return 0; | |
1841 | } else | |
1842 | return 1; | |
1843 | } | |
1844 | ||
1845 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
1846 | { | |
1847 | const char *value; | |
1848 | if (!git_configset_get_value(cs, key, &value)) { | |
1849 | *dest = git_config_maybe_bool(key, value); | |
1850 | if (*dest == -1) | |
1851 | return -1; | |
1852 | return 0; | |
1853 | } else | |
1854 | return 1; | |
1855 | } | |
1856 | ||
1857 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
1858 | { | |
1859 | const char *value; | |
1860 | if (!git_configset_get_value(cs, key, &value)) | |
1861 | return git_config_pathname(dest, key, value); | |
1862 | else | |
1863 | return 1; | |
1864 | } | |
1865 | ||
3b256228 BW |
1866 | /* Functions use to read configuration from a repository */ |
1867 | static void repo_read_config(struct repository *repo) | |
3c8687a7 | 1868 | { |
3b256228 BW |
1869 | struct config_options opts; |
1870 | ||
1871 | opts.respect_includes = 1; | |
1872 | opts.commondir = repo->commondir; | |
1873 | opts.git_dir = repo->gitdir; | |
1874 | ||
1875 | if (!repo->config) | |
1876 | repo->config = xcalloc(1, sizeof(struct config_set)); | |
1877 | else | |
1878 | git_configset_clear(repo->config); | |
1879 | ||
1880 | git_configset_init(repo->config); | |
1881 | ||
1882 | if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0) | |
1883 | /* | |
1884 | * config_with_options() normally returns only | |
1885 | * zero, as most errors are fatal, and | |
1886 | * non-fatal potential errors are guarded by "if" | |
1887 | * statements that are entered only when no error is | |
1888 | * possible. | |
1889 | * | |
1890 | * If we ever encounter a non-fatal error, it means | |
1891 | * something went really wrong and we should stop | |
1892 | * immediately. | |
1893 | */ | |
1894 | die(_("unknown error occurred while reading the configuration files")); | |
1895 | } | |
1896 | ||
1897 | static void git_config_check_init(struct repository *repo) | |
1898 | { | |
1899 | if (repo->config && repo->config->hash_initialized) | |
3c8687a7 | 1900 | return; |
3b256228 | 1901 | repo_read_config(repo); |
3c8687a7 TA |
1902 | } |
1903 | ||
3b256228 | 1904 | static void repo_config_clear(struct repository *repo) |
3c8687a7 | 1905 | { |
3b256228 | 1906 | if (!repo->config || !repo->config->hash_initialized) |
3c8687a7 | 1907 | return; |
3b256228 | 1908 | git_configset_clear(repo->config); |
3c8687a7 TA |
1909 | } |
1910 | ||
3b256228 | 1911 | void repo_config(struct repository *repo, config_fn_t fn, void *data) |
3c8687a7 | 1912 | { |
3b256228 BW |
1913 | git_config_check_init(repo); |
1914 | configset_iter(repo->config, fn, data); | |
3c8687a7 TA |
1915 | } |
1916 | ||
3b256228 BW |
1917 | int repo_config_get_value(struct repository *repo, |
1918 | const char *key, const char **value) | |
3c8687a7 | 1919 | { |
3b256228 BW |
1920 | git_config_check_init(repo); |
1921 | return git_configset_get_value(repo->config, key, value); | |
3c8687a7 TA |
1922 | } |
1923 | ||
3b256228 BW |
1924 | const struct string_list *repo_config_get_value_multi(struct repository *repo, |
1925 | const char *key) | |
1926 | { | |
1927 | git_config_check_init(repo); | |
1928 | return git_configset_get_value_multi(repo->config, key); | |
1929 | } | |
1930 | ||
1931 | int repo_config_get_string_const(struct repository *repo, | |
1932 | const char *key, const char **dest) | |
1933 | { | |
1934 | int ret; | |
1935 | git_config_check_init(repo); | |
1936 | ret = git_configset_get_string_const(repo->config, key, dest); | |
1937 | if (ret < 0) | |
1938 | git_die_config(key, NULL); | |
1939 | return ret; | |
1940 | } | |
1941 | ||
1942 | int repo_config_get_string(struct repository *repo, | |
1943 | const char *key, char **dest) | |
1944 | { | |
1945 | git_config_check_init(repo); | |
1946 | return repo_config_get_string_const(repo, key, (const char **)dest); | |
1947 | } | |
1948 | ||
1949 | int repo_config_get_int(struct repository *repo, | |
1950 | const char *key, int *dest) | |
1951 | { | |
1952 | git_config_check_init(repo); | |
1953 | return git_configset_get_int(repo->config, key, dest); | |
1954 | } | |
1955 | ||
1956 | int repo_config_get_ulong(struct repository *repo, | |
1957 | const char *key, unsigned long *dest) | |
1958 | { | |
1959 | git_config_check_init(repo); | |
1960 | return git_configset_get_ulong(repo->config, key, dest); | |
1961 | } | |
1962 | ||
1963 | int repo_config_get_bool(struct repository *repo, | |
1964 | const char *key, int *dest) | |
1965 | { | |
1966 | git_config_check_init(repo); | |
1967 | return git_configset_get_bool(repo->config, key, dest); | |
1968 | } | |
1969 | ||
1970 | int repo_config_get_bool_or_int(struct repository *repo, | |
1971 | const char *key, int *is_bool, int *dest) | |
1972 | { | |
1973 | git_config_check_init(repo); | |
1974 | return git_configset_get_bool_or_int(repo->config, key, is_bool, dest); | |
1975 | } | |
1976 | ||
1977 | int repo_config_get_maybe_bool(struct repository *repo, | |
1978 | const char *key, int *dest) | |
1979 | { | |
1980 | git_config_check_init(repo); | |
1981 | return git_configset_get_maybe_bool(repo->config, key, dest); | |
1982 | } | |
1983 | ||
1984 | int repo_config_get_pathname(struct repository *repo, | |
1985 | const char *key, const char **dest) | |
3c8687a7 | 1986 | { |
5a80e97c | 1987 | int ret; |
3b256228 BW |
1988 | git_config_check_init(repo); |
1989 | ret = git_configset_get_pathname(repo->config, key, dest); | |
5a80e97c TA |
1990 | if (ret < 0) |
1991 | git_die_config(key, NULL); | |
1992 | return ret; | |
3c8687a7 TA |
1993 | } |
1994 | ||
3b256228 BW |
1995 | /* Functions used historically to read configuration from 'the_repository' */ |
1996 | void git_config(config_fn_t fn, void *data) | |
1997 | { | |
1998 | repo_config(the_repository, fn, data); | |
1999 | } | |
2000 | ||
2001 | void git_config_clear(void) | |
2002 | { | |
2003 | repo_config_clear(the_repository); | |
2004 | } | |
2005 | ||
2006 | int git_config_get_value(const char *key, const char **value) | |
2007 | { | |
2008 | return repo_config_get_value(the_repository, key, value); | |
2009 | } | |
2010 | ||
2011 | const struct string_list *git_config_get_value_multi(const char *key) | |
2012 | { | |
2013 | return repo_config_get_value_multi(the_repository, key); | |
2014 | } | |
2015 | ||
2016 | int git_config_get_string_const(const char *key, const char **dest) | |
2017 | { | |
2018 | return repo_config_get_string_const(the_repository, key, dest); | |
2019 | } | |
2020 | ||
3c8687a7 TA |
2021 | int git_config_get_string(const char *key, char **dest) |
2022 | { | |
3b256228 | 2023 | return repo_config_get_string(the_repository, key, dest); |
3c8687a7 TA |
2024 | } |
2025 | ||
2026 | int git_config_get_int(const char *key, int *dest) | |
2027 | { | |
3b256228 | 2028 | return repo_config_get_int(the_repository, key, dest); |
3c8687a7 TA |
2029 | } |
2030 | ||
2031 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
2032 | { | |
3b256228 | 2033 | return repo_config_get_ulong(the_repository, key, dest); |
3c8687a7 TA |
2034 | } |
2035 | ||
2036 | int git_config_get_bool(const char *key, int *dest) | |
2037 | { | |
3b256228 | 2038 | return repo_config_get_bool(the_repository, key, dest); |
3c8687a7 TA |
2039 | } |
2040 | ||
2041 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
2042 | { | |
3b256228 | 2043 | return repo_config_get_bool_or_int(the_repository, key, is_bool, dest); |
3c8687a7 TA |
2044 | } |
2045 | ||
2046 | int git_config_get_maybe_bool(const char *key, int *dest) | |
2047 | { | |
3b256228 | 2048 | return repo_config_get_maybe_bool(the_repository, key, dest); |
3c8687a7 TA |
2049 | } |
2050 | ||
2051 | int git_config_get_pathname(const char *key, const char **dest) | |
2052 | { | |
3b256228 | 2053 | return repo_config_get_pathname(the_repository, key, dest); |
5a80e97c TA |
2054 | } |
2055 | ||
77d67977 CC |
2056 | int git_config_get_expiry(const char *key, const char **output) |
2057 | { | |
2058 | int ret = git_config_get_string_const(key, output); | |
2059 | if (ret) | |
2060 | return ret; | |
2061 | if (strcmp(*output, "now")) { | |
dddbad72 | 2062 | timestamp_t now = approxidate("now"); |
77d67977 CC |
2063 | if (approxidate(*output) >= now) |
2064 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
2065 | } | |
2066 | return ret; | |
2067 | } | |
2068 | ||
435ec090 CC |
2069 | int git_config_get_untracked_cache(void) |
2070 | { | |
2071 | int val = -1; | |
2072 | const char *v; | |
2073 | ||
dae6c322 CC |
2074 | /* Hack for test programs like test-dump-untracked-cache */ |
2075 | if (ignore_untracked_cache_config) | |
2076 | return -1; | |
2077 | ||
435ec090 CC |
2078 | if (!git_config_get_maybe_bool("core.untrackedcache", &val)) |
2079 | return val; | |
2080 | ||
2081 | if (!git_config_get_value("core.untrackedcache", &v)) { | |
2082 | if (!strcasecmp(v, "keep")) | |
2083 | return -1; | |
2084 | ||
f60ef2d6 CC |
2085 | error(_("unknown core.untrackedCache value '%s'; " |
2086 | "using 'keep' default value"), v); | |
435ec090 CC |
2087 | return -1; |
2088 | } | |
2089 | ||
2090 | return -1; /* default value */ | |
2091 | } | |
2092 | ||
1f44b09b CC |
2093 | int git_config_get_split_index(void) |
2094 | { | |
2095 | int val; | |
2096 | ||
2097 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
2098 | return val; | |
2099 | ||
2100 | return -1; /* default value */ | |
2101 | } | |
2102 | ||
72dcb7b3 CC |
2103 | int git_config_get_max_percent_split_change(void) |
2104 | { | |
2105 | int val = -1; | |
2106 | ||
2107 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
2108 | if (0 <= val && val <= 100) | |
2109 | return val; | |
2110 | ||
2111 | return error(_("splitIndex.maxPercentChange value '%d' " | |
2112 | "should be between 0 and 100"), val); | |
2113 | } | |
2114 | ||
2115 | return -1; /* default value */ | |
2116 | } | |
2117 | ||
5a80e97c TA |
2118 | NORETURN |
2119 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
2120 | { | |
2121 | if (!filename) | |
2122 | die(_("unable to parse '%s' from command-line config"), key); | |
2123 | else | |
2124 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
2125 | key, filename, linenr); | |
2126 | } | |
2127 | ||
2128 | NORETURN __attribute__((format(printf, 2, 3))) | |
2129 | void git_die_config(const char *key, const char *err, ...) | |
2130 | { | |
2131 | const struct string_list *values; | |
2132 | struct key_value_info *kv_info; | |
2133 | ||
2134 | if (err) { | |
2135 | va_list params; | |
2136 | va_start(params, err); | |
2137 | vreportf("error: ", err, params); | |
2138 | va_end(params); | |
2139 | } | |
2140 | values = git_config_get_value_multi(key); | |
2141 | kv_info = values->items[values->nr - 1].util; | |
2142 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
2143 | } |
2144 | ||
10bea152 JS |
2145 | /* |
2146 | * Find all the stuff for git_config_set() below. | |
2147 | */ | |
4ddba79d | 2148 | |
10bea152 JS |
2149 | static struct { |
2150 | int baselen; | |
4b25d091 | 2151 | char *key; |
f98d863d | 2152 | int do_not_match; |
4b25d091 | 2153 | regex_t *value_regex; |
4ddba79d | 2154 | int multi_replace; |
83786fa4 TR |
2155 | size_t *offset; |
2156 | unsigned int offset_alloc; | |
10bea152 JS |
2157 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
2158 | int seen; | |
2159 | } store; | |
2160 | ||
4b25d091 | 2161 | static int matches(const char *key, const char *value) |
f98d863d | 2162 | { |
c1063be2 JK |
2163 | if (strcmp(key, store.key)) |
2164 | return 0; /* not ours */ | |
2165 | if (!store.value_regex) | |
2166 | return 1; /* always matches */ | |
2167 | if (store.value_regex == CONFIG_REGEX_NONE) | |
2168 | return 0; /* never matches */ | |
2169 | ||
2170 | return store.do_not_match ^ | |
2171 | (value && !regexec(store.value_regex, value, 0, NULL, 0)); | |
f98d863d JS |
2172 | } |
2173 | ||
4b25d091 | 2174 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 2175 | { |
ae9ee41d JH |
2176 | const char *ep; |
2177 | size_t section_len; | |
2178 | ||
10bea152 JS |
2179 | switch (store.state) { |
2180 | case KEY_SEEN: | |
f98d863d | 2181 | if (matches(key, value)) { |
4ddba79d | 2182 | if (store.seen == 1 && store.multi_replace == 0) { |
8262aaa2 | 2183 | warning(_("%s has multiple values"), key); |
10bea152 | 2184 | } |
4ddba79d | 2185 | |
83786fa4 TR |
2186 | ALLOC_GROW(store.offset, store.seen + 1, |
2187 | store.offset_alloc); | |
2188 | ||
49d6cfa5 | 2189 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2190 | store.seen++; |
2191 | } | |
2192 | break; | |
2193 | case SECTION_SEEN: | |
ae9ee41d JH |
2194 | /* |
2195 | * What we are looking for is in store.key (both | |
2196 | * section and var), and its section part is baselen | |
2197 | * long. We found key (again, both section and var). | |
2198 | * We would want to know if this key is in the same | |
2199 | * section as what we are looking for. We already | |
2200 | * know we are in the same section as what should | |
2201 | * hold store.key. | |
2202 | */ | |
2203 | ep = strrchr(key, '.'); | |
2204 | section_len = ep - key; | |
2205 | ||
2206 | if ((section_len != store.baselen) || | |
2207 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
2208 | store.state = SECTION_END_SEEN; |
2209 | break; | |
ae9ee41d JH |
2210 | } |
2211 | ||
2212 | /* | |
2213 | * Do not increment matches: this is no match, but we | |
2214 | * just made sure we are in the desired section. | |
2215 | */ | |
83786fa4 TR |
2216 | ALLOC_GROW(store.offset, store.seen + 1, |
2217 | store.offset_alloc); | |
49d6cfa5 | 2218 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2219 | /* fallthru */ |
2220 | case SECTION_END_SEEN: | |
2221 | case START: | |
f98d863d | 2222 | if (matches(key, value)) { |
83786fa4 TR |
2223 | ALLOC_GROW(store.offset, store.seen + 1, |
2224 | store.offset_alloc); | |
49d6cfa5 | 2225 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2226 | store.state = KEY_SEEN; |
2227 | store.seen++; | |
d14f7764 LT |
2228 | } else { |
2229 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 2230 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 2231 | store.state = SECTION_SEEN; |
83786fa4 TR |
2232 | ALLOC_GROW(store.offset, |
2233 | store.seen + 1, | |
2234 | store.offset_alloc); | |
49d6cfa5 | 2235 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 2236 | } |
bdf0ef08 | 2237 | } |
10bea152 JS |
2238 | } |
2239 | return 0; | |
2240 | } | |
2241 | ||
64c0d71c | 2242 | static int write_error(const char *filename) |
480c9e52 | 2243 | { |
64c0d71c | 2244 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
2245 | |
2246 | /* Same error code as "failed to rename". */ | |
2247 | return 4; | |
2248 | } | |
2249 | ||
4b25d091 | 2250 | static int store_write_section(int fd, const char *key) |
10bea152 | 2251 | { |
cb891a59 KH |
2252 | const char *dot; |
2253 | int i, success; | |
f285a2d7 | 2254 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 2255 | |
cb891a59 | 2256 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 2257 | if (dot) { |
cb891a59 KH |
2258 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
2259 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 2260 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
2261 | strbuf_addch(&sb, '\\'); |
2262 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 2263 | } |
cb891a59 KH |
2264 | strbuf_addstr(&sb, "\"]\n"); |
2265 | } else { | |
2266 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
2267 | } |
2268 | ||
cb891a59 KH |
2269 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
2270 | strbuf_release(&sb); | |
480c9e52 | 2271 | |
cb891a59 | 2272 | return success; |
10bea152 JS |
2273 | } |
2274 | ||
4b25d091 | 2275 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 2276 | { |
cb891a59 KH |
2277 | int i, success; |
2278 | int length = strlen(key + store.baselen + 1); | |
2279 | const char *quote = ""; | |
f285a2d7 | 2280 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 2281 | |
6281f394 JM |
2282 | /* |
2283 | * Check to see if the value needs to be surrounded with a dq pair. | |
2284 | * Note that problematic characters are always backslash-quoted; this | |
2285 | * check is about not losing leading or trailing SP and strings that | |
2286 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
2287 | * configuration parser. | |
2288 | */ | |
cdd4fb15 | 2289 | if (value[0] == ' ') |
cb891a59 | 2290 | quote = "\""; |
cdd4fb15 BG |
2291 | for (i = 0; value[i]; i++) |
2292 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
2293 | quote = "\""; |
2294 | if (i && value[i - 1] == ' ') | |
2295 | quote = "\""; | |
2296 | ||
cb891a59 KH |
2297 | strbuf_addf(&sb, "\t%.*s = %s", |
2298 | length, key + store.baselen + 1, quote); | |
10bea152 | 2299 | |
10bea152 JS |
2300 | for (i = 0; value[i]; i++) |
2301 | switch (value[i]) { | |
480c9e52 | 2302 | case '\n': |
cb891a59 | 2303 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
2304 | break; |
2305 | case '\t': | |
cb891a59 | 2306 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
2307 | break; |
2308 | case '"': | |
2309 | case '\\': | |
cb891a59 | 2310 | strbuf_addch(&sb, '\\'); |
480c9e52 | 2311 | default: |
cb891a59 | 2312 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
2313 | break; |
2314 | } | |
cb891a59 KH |
2315 | strbuf_addf(&sb, "%s\n", quote); |
2316 | ||
2317 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
2318 | strbuf_release(&sb); | |
2319 | ||
2320 | return success; | |
10bea152 JS |
2321 | } |
2322 | ||
4b25d091 FC |
2323 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
2324 | size_t offset_, int *found_bracket) | |
4ddba79d | 2325 | { |
dc49cd76 SP |
2326 | size_t equal_offset = size, bracket_offset = size; |
2327 | ssize_t offset; | |
4ddba79d | 2328 | |
7a31cc0f | 2329 | contline: |
a6080a0a | 2330 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
2331 | && contents[offset] != '\n'; offset--) |
2332 | switch (contents[offset]) { | |
2333 | case '=': equal_offset = offset; break; | |
2334 | case ']': bracket_offset = offset; break; | |
2335 | } | |
7a31cc0f FL |
2336 | if (offset > 0 && contents[offset-1] == '\\') { |
2337 | offset_ = offset; | |
2338 | goto contline; | |
2339 | } | |
4ddba79d JS |
2340 | if (bracket_offset < equal_offset) { |
2341 | *found_bracket = 1; | |
2342 | offset = bracket_offset+1; | |
2343 | } else | |
2344 | offset++; | |
2345 | ||
2346 | return offset; | |
2347 | } | |
2348 | ||
30598ad0 PS |
2349 | int git_config_set_in_file_gently(const char *config_filename, |
2350 | const char *key, const char *value) | |
5ec31182 | 2351 | { |
30598ad0 | 2352 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
2353 | } |
2354 | ||
3d180648 PS |
2355 | void git_config_set_in_file(const char *config_filename, |
2356 | const char *key, const char *value) | |
10bea152 | 2357 | { |
3d180648 | 2358 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
2359 | } |
2360 | ||
30598ad0 | 2361 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 2362 | { |
30598ad0 | 2363 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
2364 | } |
2365 | ||
3d180648 | 2366 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 2367 | { |
3d180648 | 2368 | git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
2369 | } |
2370 | ||
2371 | /* | |
2372 | * If value==NULL, unset in (remove from) config, | |
2373 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
c1063be2 JK |
2374 | * if value_regex==CONFIG_REGEX_NONE, do not match any existing values |
2375 | * (only add a new one) | |
4ddba79d JS |
2376 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
2377 | * else all matching key/values (regardless how many) are removed, | |
2378 | * before the new pair is written. | |
10bea152 JS |
2379 | * |
2380 | * Returns 0 on success. | |
2381 | * | |
2382 | * This function does this: | |
2383 | * | |
2384 | * - it locks the config file by creating ".git/config.lock" | |
2385 | * | |
2386 | * - it then parses the config using store_aux() as validator to find | |
2387 | * the position on the key/value pair to replace. If it is to be unset, | |
2388 | * it must be found exactly once. | |
2389 | * | |
2390 | * - the config file is mmap()ed and the part before the match (if any) is | |
2391 | * written to the lock file, then the changed part and the rest. | |
2392 | * | |
2393 | * - the config file is removed and the lock file rename()d to it. | |
2394 | * | |
2395 | */ | |
30598ad0 PS |
2396 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
2397 | const char *key, const char *value, | |
2398 | const char *value_regex, | |
2399 | int multi_replace) | |
10bea152 | 2400 | { |
54d160ec | 2401 | int fd = -1, in_fd = -1; |
dafc88b1 | 2402 | int ret; |
6cbf973c | 2403 | struct lock_file *lock = NULL; |
0a5f5759 | 2404 | char *filename_buf = NULL; |
3a1b3126 JK |
2405 | char *contents = NULL; |
2406 | size_t contents_sz; | |
4ddba79d | 2407 | |
b09c53a3 LP |
2408 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
2409 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
2410 | if (ret) | |
dafc88b1 | 2411 | goto out_free; |
b17e659d JS |
2412 | |
2413 | store.multi_replace = multi_replace; | |
10bea152 | 2414 | |
0a5f5759 JK |
2415 | if (!config_filename) |
2416 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
2417 | |
2418 | /* | |
6cbf973c | 2419 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
2420 | * contents of .git/config will be written into it. |
2421 | */ | |
f1064f6b | 2422 | lock = xcalloc(1, sizeof(struct lock_file)); |
6cbf973c BS |
2423 | fd = hold_lock_file_for_update(lock, config_filename, 0); |
2424 | if (fd < 0) { | |
f0658ec9 | 2425 | error_errno("could not lock config file %s", config_filename); |
10bea152 | 2426 | free(store.key); |
7a397419 | 2427 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 2428 | goto out_free; |
10bea152 JS |
2429 | } |
2430 | ||
2431 | /* | |
2432 | * If .git/config does not exist yet, write a minimal version. | |
2433 | */ | |
88fb958b AR |
2434 | in_fd = open(config_filename, O_RDONLY); |
2435 | if ( in_fd < 0 ) { | |
10bea152 JS |
2436 | free(store.key); |
2437 | ||
88fb958b | 2438 | if ( ENOENT != errno ) { |
f0658ec9 | 2439 | error_errno("opening %s", config_filename); |
7a397419 | 2440 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 2441 | goto out_free; |
88fb958b | 2442 | } |
10bea152 JS |
2443 | /* if nothing to unset, error out */ |
2444 | if (value == NULL) { | |
7a397419 | 2445 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2446 | goto out_free; |
10bea152 JS |
2447 | } |
2448 | ||
4b25d091 | 2449 | store.key = (char *)key; |
480c9e52 | 2450 | if (!store_write_section(fd, key) || |
93c1e079 JH |
2451 | !store_write_pair(fd, key, value)) |
2452 | goto write_err_out; | |
2453 | } else { | |
88fb958b | 2454 | struct stat st; |
3a1b3126 | 2455 | size_t copy_begin, copy_end; |
dc49cd76 | 2456 | int i, new_line = 0; |
10bea152 JS |
2457 | |
2458 | if (value_regex == NULL) | |
2459 | store.value_regex = NULL; | |
c1063be2 JK |
2460 | else if (value_regex == CONFIG_REGEX_NONE) |
2461 | store.value_regex = CONFIG_REGEX_NONE; | |
10bea152 | 2462 | else { |
f98d863d JS |
2463 | if (value_regex[0] == '!') { |
2464 | store.do_not_match = 1; | |
2465 | value_regex++; | |
2466 | } else | |
2467 | store.do_not_match = 0; | |
2468 | ||
2d7320d0 | 2469 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
2470 | if (regcomp(store.value_regex, value_regex, |
2471 | REG_EXTENDED)) { | |
64c0d71c | 2472 | error("invalid pattern: %s", value_regex); |
10bea152 | 2473 | free(store.value_regex); |
7a397419 | 2474 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2475 | goto out_free; |
10bea152 JS |
2476 | } |
2477 | } | |
2478 | ||
83786fa4 | 2479 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 2480 | store.offset[0] = 0; |
10bea152 JS |
2481 | store.state = START; |
2482 | store.seen = 0; | |
2483 | ||
2484 | /* | |
2485 | * After this, store.offset will contain the *end* offset | |
2486 | * of the last match, or remain at 0 if no match was found. | |
2487 | * As a side effect, we make sure to transform only a valid | |
2488 | * existing config file. | |
2489 | */ | |
ef90d6d4 | 2490 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 2491 | error("invalid config file %s", config_filename); |
10bea152 | 2492 | free(store.key); |
c1063be2 JK |
2493 | if (store.value_regex != NULL && |
2494 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2495 | regfree(store.value_regex); |
2496 | free(store.value_regex); | |
2497 | } | |
7a397419 | 2498 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 2499 | goto out_free; |
10bea152 JS |
2500 | } |
2501 | ||
2502 | free(store.key); | |
c1063be2 JK |
2503 | if (store.value_regex != NULL && |
2504 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2505 | regfree(store.value_regex); |
2506 | free(store.value_regex); | |
2507 | } | |
2508 | ||
4ddba79d JS |
2509 | /* if nothing to unset, or too many matches, error out */ |
2510 | if ((store.seen == 0 && value == NULL) || | |
2511 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 2512 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2513 | goto out_free; |
10bea152 JS |
2514 | } |
2515 | ||
29647d79 NTND |
2516 | if (fstat(in_fd, &st) == -1) { |
2517 | error_errno(_("fstat on %s failed"), config_filename); | |
2518 | ret = CONFIG_INVALID_FILE; | |
2519 | goto out_free; | |
2520 | } | |
2521 | ||
dc49cd76 | 2522 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
2523 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
2524 | MAP_PRIVATE, in_fd, 0); | |
2525 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
2526 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
2527 | errno = EISDIR; | |
f0658ec9 | 2528 | error_errno("unable to mmap '%s'", config_filename); |
1570856b JK |
2529 | ret = CONFIG_INVALID_FILE; |
2530 | contents = NULL; | |
2531 | goto out_free; | |
2532 | } | |
10bea152 | 2533 | close(in_fd); |
54d160ec | 2534 | in_fd = -1; |
10bea152 | 2535 | |
b4fb09e4 | 2536 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 | 2537 | error_errno("chmod on %s failed", get_lock_file_path(lock)); |
daa22c6f EW |
2538 | ret = CONFIG_NO_WRITE; |
2539 | goto out_free; | |
2540 | } | |
2541 | ||
4ddba79d JS |
2542 | if (store.seen == 0) |
2543 | store.seen = 1; | |
2544 | ||
2545 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
2546 | if (store.offset[i] == 0) { | |
dc49cd76 | 2547 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
2548 | } else if (store.state != KEY_SEEN) { |
2549 | copy_end = store.offset[i]; | |
10bea152 | 2550 | } else |
4ddba79d | 2551 | copy_end = find_beginning_of_line( |
dc49cd76 | 2552 | contents, contents_sz, |
4ddba79d JS |
2553 | store.offset[i]-2, &new_line); |
2554 | ||
02e5ba4a JK |
2555 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
2556 | new_line = 1; | |
2557 | ||
4ddba79d JS |
2558 | /* write the first part of the config */ |
2559 | if (copy_end > copy_begin) { | |
93c1e079 JH |
2560 | if (write_in_full(fd, contents + copy_begin, |
2561 | copy_end - copy_begin) < | |
2562 | copy_end - copy_begin) | |
2563 | goto write_err_out; | |
2564 | if (new_line && | |
2b7ca830 | 2565 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 2566 | goto write_err_out; |
4ddba79d JS |
2567 | } |
2568 | copy_begin = store.offset[i]; | |
10bea152 JS |
2569 | } |
2570 | ||
10bea152 JS |
2571 | /* write the pair (value == NULL means unset) */ |
2572 | if (value != NULL) { | |
93c1e079 JH |
2573 | if (store.state == START) { |
2574 | if (!store_write_section(fd, key)) | |
2575 | goto write_err_out; | |
480c9e52 | 2576 | } |
93c1e079 JH |
2577 | if (!store_write_pair(fd, key, value)) |
2578 | goto write_err_out; | |
10bea152 JS |
2579 | } |
2580 | ||
2581 | /* write the rest of the config */ | |
dc49cd76 | 2582 | if (copy_begin < contents_sz) |
93c1e079 | 2583 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
2584 | contents_sz - copy_begin) < |
2585 | contents_sz - copy_begin) | |
93c1e079 | 2586 | goto write_err_out; |
7a64592c KB |
2587 | |
2588 | munmap(contents, contents_sz); | |
2589 | contents = NULL; | |
10bea152 JS |
2590 | } |
2591 | ||
4ed7cd3a | 2592 | if (commit_lock_file(lock) < 0) { |
f0658ec9 | 2593 | error_errno("could not write config file %s", config_filename); |
7a397419 | 2594 | ret = CONFIG_NO_WRITE; |
e831855e | 2595 | lock = NULL; |
dafc88b1 | 2596 | goto out_free; |
10bea152 JS |
2597 | } |
2598 | ||
6cbf973c BS |
2599 | /* |
2600 | * lock is committed, so don't try to roll it back below. | |
2601 | * NOTE: Since lockfile.c keeps a linked list of all created | |
2602 | * lock_file structures, it isn't safe to free(lock). It's | |
2603 | * better to just leave it hanging around. | |
2604 | */ | |
2605 | lock = NULL; | |
dafc88b1 SH |
2606 | ret = 0; |
2607 | ||
3c8687a7 TA |
2608 | /* Invalidate the config cache */ |
2609 | git_config_clear(); | |
2610 | ||
dafc88b1 | 2611 | out_free: |
6cbf973c BS |
2612 | if (lock) |
2613 | rollback_lock_file(lock); | |
0a5f5759 | 2614 | free(filename_buf); |
3a1b3126 JK |
2615 | if (contents) |
2616 | munmap(contents, contents_sz); | |
54d160ec SS |
2617 | if (in_fd >= 0) |
2618 | close(in_fd); | |
dafc88b1 | 2619 | return ret; |
93c1e079 JH |
2620 | |
2621 | write_err_out: | |
b4fb09e4 | 2622 | ret = write_error(get_lock_file_path(lock)); |
93c1e079 JH |
2623 | goto out_free; |
2624 | ||
10bea152 JS |
2625 | } |
2626 | ||
3d180648 PS |
2627 | void git_config_set_multivar_in_file(const char *config_filename, |
2628 | const char *key, const char *value, | |
2629 | const char *value_regex, int multi_replace) | |
b4c8aba6 | 2630 | { |
1cae428e JK |
2631 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
2632 | value_regex, multi_replace)) | |
2633 | return; | |
2634 | if (value) | |
8c3ca351 | 2635 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
2636 | else |
2637 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
2638 | } |
2639 | ||
30598ad0 PS |
2640 | int git_config_set_multivar_gently(const char *key, const char *value, |
2641 | const char *value_regex, int multi_replace) | |
5ec31182 | 2642 | { |
30598ad0 PS |
2643 | return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex, |
2644 | multi_replace); | |
5ec31182 RR |
2645 | } |
2646 | ||
3d180648 PS |
2647 | void git_config_set_multivar(const char *key, const char *value, |
2648 | const char *value_regex, int multi_replace) | |
5ec31182 | 2649 | { |
3d180648 PS |
2650 | git_config_set_multivar_in_file(NULL, key, value, value_regex, |
2651 | multi_replace); | |
5ec31182 RR |
2652 | } |
2653 | ||
118f8b24 PB |
2654 | static int section_name_match (const char *buf, const char *name) |
2655 | { | |
2656 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
2657 | if (buf[i] != '[') |
2658 | return 0; | |
2659 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
2660 | if (!dot && isspace(buf[i])) { |
2661 | dot = 1; | |
2662 | if (name[j++] != '.') | |
2663 | break; | |
2664 | for (i++; isspace(buf[i]); i++) | |
2665 | ; /* do nothing */ | |
2666 | if (buf[i] != '"') | |
2667 | break; | |
2668 | continue; | |
2669 | } | |
2670 | if (buf[i] == '\\' && dot) | |
2671 | i++; | |
2672 | else if (buf[i] == '"' && dot) { | |
2673 | for (i++; isspace(buf[i]); i++) | |
2674 | ; /* do_nothing */ | |
2675 | break; | |
2676 | } | |
2677 | if (buf[i] != name[j++]) | |
2678 | break; | |
2679 | } | |
a4c0d463 AV |
2680 | if (buf[i] == ']' && name[j] == 0) { |
2681 | /* | |
2682 | * We match, now just find the right length offset by | |
2683 | * gobbling up any whitespace after it, as well | |
2684 | */ | |
2685 | i++; | |
2686 | for (; buf[i] && isspace(buf[i]); i++) | |
2687 | ; /* do nothing */ | |
2688 | return i; | |
2689 | } | |
2690 | return 0; | |
118f8b24 PB |
2691 | } |
2692 | ||
94a35b1a JK |
2693 | static int section_name_is_ok(const char *name) |
2694 | { | |
2695 | /* Empty section names are bogus. */ | |
2696 | if (!*name) | |
2697 | return 0; | |
2698 | ||
2699 | /* | |
2700 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
2701 | * anything goes, so we can stop checking. | |
2702 | */ | |
2703 | for (; *name && *name != '.'; name++) | |
2704 | if (*name != '-' && !isalnum(*name)) | |
2705 | return 0; | |
2706 | return 1; | |
2707 | } | |
2708 | ||
118f8b24 | 2709 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
2710 | int git_config_rename_section_in_file(const char *config_filename, |
2711 | const char *old_name, const char *new_name) | |
0667fcfb | 2712 | { |
118f8b24 | 2713 | int ret = 0, remove = 0; |
42bd39b5 | 2714 | char *filename_buf = NULL; |
94a35b1a | 2715 | struct lock_file *lock; |
0667fcfb JS |
2716 | int out_fd; |
2717 | char buf[1024]; | |
4db7dbdb | 2718 | FILE *config_file = NULL; |
daa22c6f | 2719 | struct stat st; |
0667fcfb | 2720 | |
94a35b1a JK |
2721 | if (new_name && !section_name_is_ok(new_name)) { |
2722 | ret = error("invalid section name: %s", new_name); | |
c06fa62d | 2723 | goto out_no_rollback; |
94a35b1a JK |
2724 | } |
2725 | ||
42bd39b5 JK |
2726 | if (!config_filename) |
2727 | config_filename = filename_buf = git_pathdup("config"); | |
2728 | ||
f1064f6b | 2729 | lock = xcalloc(1, sizeof(struct lock_file)); |
0667fcfb | 2730 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 2731 | if (out_fd < 0) { |
64c0d71c | 2732 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
2733 | goto out; |
2734 | } | |
0667fcfb | 2735 | |
fc1905bb | 2736 | if (!(config_file = fopen(config_filename, "rb"))) { |
11dc1fcb NTND |
2737 | ret = warn_on_fopen_errors(config_filename); |
2738 | if (ret) | |
2739 | goto out; | |
01ebb9dc | 2740 | /* no config file means nothing to rename, no error */ |
6e45b43f | 2741 | goto commit_and_out; |
fc1905bb | 2742 | } |
0667fcfb | 2743 | |
29647d79 NTND |
2744 | if (fstat(fileno(config_file), &st) == -1) { |
2745 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
2746 | goto out; | |
2747 | } | |
daa22c6f | 2748 | |
b4fb09e4 | 2749 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 NTND |
2750 | ret = error_errno("chmod on %s failed", |
2751 | get_lock_file_path(lock)); | |
daa22c6f EW |
2752 | goto out; |
2753 | } | |
2754 | ||
0667fcfb JS |
2755 | while (fgets(buf, sizeof(buf), config_file)) { |
2756 | int i; | |
480c9e52 | 2757 | int length; |
9a5abfc7 | 2758 | char *output = buf; |
0667fcfb JS |
2759 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
2760 | ; /* do nothing */ | |
2761 | if (buf[i] == '[') { | |
2762 | /* it's a section */ | |
a4c0d463 AV |
2763 | int offset = section_name_match(&buf[i], old_name); |
2764 | if (offset > 0) { | |
118f8b24 PB |
2765 | ret++; |
2766 | if (new_name == NULL) { | |
2767 | remove = 1; | |
0667fcfb JS |
2768 | continue; |
2769 | } | |
0667fcfb | 2770 | store.baselen = strlen(new_name); |
480c9e52 | 2771 | if (!store_write_section(out_fd, new_name)) { |
b4fb09e4 | 2772 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2773 | goto out; |
2774 | } | |
9a5abfc7 AV |
2775 | /* |
2776 | * We wrote out the new section, with | |
2777 | * a newline, now skip the old | |
2778 | * section's length | |
2779 | */ | |
2780 | output += offset + i; | |
2781 | if (strlen(output) > 0) { | |
2782 | /* | |
2783 | * More content means there's | |
2784 | * a declaration to put on the | |
2785 | * next line; indent with a | |
2786 | * tab | |
2787 | */ | |
2788 | output -= 1; | |
2789 | output[0] = '\t'; | |
2790 | } | |
0667fcfb | 2791 | } |
118f8b24 | 2792 | remove = 0; |
0667fcfb | 2793 | } |
118f8b24 PB |
2794 | if (remove) |
2795 | continue; | |
9a5abfc7 AV |
2796 | length = strlen(output); |
2797 | if (write_in_full(out_fd, output, length) != length) { | |
b4fb09e4 | 2798 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2799 | goto out; |
2800 | } | |
0667fcfb | 2801 | } |
fc1905bb | 2802 | fclose(config_file); |
4db7dbdb | 2803 | config_file = NULL; |
6e45b43f | 2804 | commit_and_out: |
4ed7cd3a | 2805 | if (commit_lock_file(lock) < 0) |
f0658ec9 NTND |
2806 | ret = error_errno("could not write config file %s", |
2807 | config_filename); | |
8b590075 | 2808 | out: |
4db7dbdb JS |
2809 | if (config_file) |
2810 | fclose(config_file); | |
c06fa62d NTND |
2811 | rollback_lock_file(lock); |
2812 | out_no_rollback: | |
42bd39b5 | 2813 | free(filename_buf); |
0667fcfb JS |
2814 | return ret; |
2815 | } | |
40ea4ed9 | 2816 | |
42bd39b5 JK |
2817 | int git_config_rename_section(const char *old_name, const char *new_name) |
2818 | { | |
4a7bb5ba | 2819 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
2820 | } |
2821 | ||
40ea4ed9 JH |
2822 | /* |
2823 | * Call this to report error for your variable that should not | |
2824 | * get a boolean value (i.e. "[my] var" means "true"). | |
2825 | */ | |
a469a101 | 2826 | #undef config_error_nonbool |
40ea4ed9 JH |
2827 | int config_error_nonbool(const char *var) |
2828 | { | |
8c3ca351 | 2829 | return error("missing value for '%s'", var); |
40ea4ed9 | 2830 | } |
1b86bbb0 JK |
2831 | |
2832 | int parse_config_key(const char *var, | |
2833 | const char *section, | |
2834 | const char **subsection, int *subsection_len, | |
2835 | const char **key) | |
2836 | { | |
1b86bbb0 JK |
2837 | const char *dot; |
2838 | ||
2839 | /* Does it start with "section." ? */ | |
e3394fdc | 2840 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
2841 | return -1; |
2842 | ||
2843 | /* | |
2844 | * Find the key; we don't know yet if we have a subsection, but we must | |
2845 | * parse backwards from the end, since the subsection may have dots in | |
2846 | * it, too. | |
2847 | */ | |
2848 | dot = strrchr(var, '.'); | |
2849 | *key = dot + 1; | |
2850 | ||
2851 | /* Did we have a subsection at all? */ | |
e3394fdc | 2852 | if (dot == var) { |
48f8d9f7 JK |
2853 | if (subsection) { |
2854 | *subsection = NULL; | |
2855 | *subsection_len = 0; | |
2856 | } | |
1b86bbb0 JK |
2857 | } |
2858 | else { | |
48f8d9f7 JK |
2859 | if (!subsection) |
2860 | return -1; | |
e3394fdc | 2861 | *subsection = var + 1; |
1b86bbb0 JK |
2862 | *subsection_len = dot - *subsection; |
2863 | } | |
2864 | ||
2865 | return 0; | |
2866 | } | |
473166b9 LS |
2867 | |
2868 | const char *current_config_origin_type(void) | |
2869 | { | |
1b8132d9 | 2870 | int type; |
0d44a2da JK |
2871 | if (current_config_kvi) |
2872 | type = current_config_kvi->origin_type; | |
2873 | else if(cf) | |
2874 | type = cf->origin_type; | |
2875 | else | |
3258258f | 2876 | die("BUG: current_config_origin_type called outside config callback"); |
1b8132d9 VA |
2877 | |
2878 | switch (type) { | |
2879 | case CONFIG_ORIGIN_BLOB: | |
2880 | return "blob"; | |
2881 | case CONFIG_ORIGIN_FILE: | |
2882 | return "file"; | |
2883 | case CONFIG_ORIGIN_STDIN: | |
2884 | return "standard input"; | |
2885 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
2886 | return "submodule-blob"; | |
2887 | case CONFIG_ORIGIN_CMDLINE: | |
2888 | return "command line"; | |
2889 | default: | |
2890 | die("BUG: unknown config origin type"); | |
2891 | } | |
473166b9 LS |
2892 | } |
2893 | ||
2894 | const char *current_config_name(void) | |
2895 | { | |
0d44a2da JK |
2896 | const char *name; |
2897 | if (current_config_kvi) | |
2898 | name = current_config_kvi->filename; | |
2899 | else if (cf) | |
2900 | name = cf->name; | |
2901 | else | |
3258258f | 2902 | die("BUG: current_config_name called outside config callback"); |
0d44a2da | 2903 | return name ? name : ""; |
473166b9 | 2904 | } |
9acc5911 JK |
2905 | |
2906 | enum config_scope current_config_scope(void) | |
2907 | { | |
2908 | if (current_config_kvi) | |
2909 | return current_config_kvi->scope; | |
2910 | else | |
2911 | return current_parsing_scope; | |
473166b9 | 2912 | } |