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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" |
697cc8ef | 9 | #include "lockfile.h" |
7f0e39fa | 10 | #include "exec_cmd.h" |
572e4f6a | 11 | #include "strbuf.h" |
2b64fc89 | 12 | #include "quote.h" |
3c8687a7 TA |
13 | #include "hashmap.h" |
14 | #include "string-list.h" | |
599446dc | 15 | #include "utf8.h" |
17712991 | 16 | |
4d8dd149 HV |
17 | struct config_source { |
18 | struct config_source *prev; | |
19 | union { | |
20 | FILE *file; | |
1bc88819 HV |
21 | struct config_buf { |
22 | const char *buf; | |
23 | size_t len; | |
24 | size_t pos; | |
25 | } buf; | |
4d8dd149 | 26 | } u; |
1b8132d9 | 27 | enum config_origin_type origin_type; |
924aaf3e | 28 | const char *name; |
d14d4244 | 29 | const char *path; |
b2dc0945 | 30 | int die_on_error; |
924aaf3e RJ |
31 | int linenr; |
32 | int eof; | |
33 | struct strbuf value; | |
0971e992 | 34 | struct strbuf var; |
924aaf3e | 35 | |
49d6cfa5 JK |
36 | int (*do_fgetc)(struct config_source *c); |
37 | int (*do_ungetc)(int c, struct config_source *conf); | |
38 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
39 | }; |
40 | ||
0d44a2da JK |
41 | /* |
42 | * These variables record the "current" config source, which | |
43 | * can be accessed by parsing callbacks. | |
44 | * | |
45 | * The "cf" variable will be non-NULL only when we are actually parsing a real | |
46 | * config source (file, blob, cmdline, etc). | |
47 | * | |
48 | * The "current_config_kvi" variable will be non-NULL only when we are feeding | |
49 | * cached config from a configset into a callback. | |
50 | * | |
51 | * They should generally never be non-NULL at the same time. If they are both | |
52 | * NULL, then we aren't parsing anything (and depending on the function looking | |
53 | * at the variables, it's either a bug for it to be called in the first place, | |
54 | * or it's a function which can be reused for non-config purposes, and should | |
55 | * fall back to some sane behavior). | |
56 | */ | |
4d8dd149 | 57 | static struct config_source *cf; |
0d44a2da | 58 | static struct key_value_info *current_config_kvi; |
924aaf3e | 59 | |
9acc5911 JK |
60 | /* |
61 | * Similar to the variables above, this gives access to the "scope" of the | |
62 | * current value (repo, global, etc). For cached values, it can be found via | |
63 | * the current_config_kvi as above. During parsing, the current value can be | |
64 | * found in this variable. It's not part of "cf" because it transcends a single | |
65 | * file (i.e., a file included from .git/config is still in "repo" scope). | |
66 | */ | |
67 | static enum config_scope current_parsing_scope; | |
924aaf3e | 68 | |
8de7eeb5 JH |
69 | static int core_compression_seen; |
70 | static int pack_compression_seen; | |
960ccca6 DH |
71 | static int zlib_compression_seen; |
72 | ||
3c8687a7 TA |
73 | /* |
74 | * Default config_set that contains key-value pairs from the usual set of config | |
75 | * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG | |
76 | * config file and the global /etc/gitconfig) | |
77 | */ | |
78 | static struct config_set the_config_set; | |
79 | ||
4d8dd149 HV |
80 | static int config_file_fgetc(struct config_source *conf) |
81 | { | |
260d408e | 82 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
83 | } |
84 | ||
85 | static int config_file_ungetc(int c, struct config_source *conf) | |
86 | { | |
87 | return ungetc(c, conf->u.file); | |
88 | } | |
89 | ||
90 | static long config_file_ftell(struct config_source *conf) | |
91 | { | |
92 | return ftell(conf->u.file); | |
93 | } | |
94 | ||
1bc88819 HV |
95 | |
96 | static int config_buf_fgetc(struct config_source *conf) | |
97 | { | |
98 | if (conf->u.buf.pos < conf->u.buf.len) | |
99 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
100 | ||
101 | return EOF; | |
102 | } | |
103 | ||
104 | static int config_buf_ungetc(int c, struct config_source *conf) | |
105 | { | |
1d0655c1 JK |
106 | if (conf->u.buf.pos > 0) { |
107 | conf->u.buf.pos--; | |
108 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
109 | die("BUG: config_buf can only ungetc the same character"); | |
110 | return c; | |
111 | } | |
1bc88819 HV |
112 | |
113 | return EOF; | |
114 | } | |
115 | ||
116 | static long config_buf_ftell(struct config_source *conf) | |
117 | { | |
118 | return conf->u.buf.pos; | |
119 | } | |
120 | ||
9b25a0b5 JK |
121 | #define MAX_INCLUDE_DEPTH 10 |
122 | static const char include_depth_advice[] = | |
123 | "exceeded maximum include depth (%d) while including\n" | |
124 | " %s\n" | |
125 | "from\n" | |
126 | " %s\n" | |
127 | "Do you have circular includes?"; | |
128 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
129 | { | |
130 | int ret = 0; | |
131 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 132 | char *expanded; |
4c0a89fc | 133 | |
67beb600 JK |
134 | if (!path) |
135 | return config_error_nonbool("include.path"); | |
136 | ||
137 | expanded = expand_user_path(path); | |
4c0a89fc | 138 | if (!expanded) |
8c3ca351 | 139 | return error("could not expand include path '%s'", path); |
4c0a89fc | 140 | path = expanded; |
9b25a0b5 JK |
141 | |
142 | /* | |
143 | * Use an absolute path as-is, but interpret relative paths | |
144 | * based on the including config file. | |
145 | */ | |
146 | if (!is_absolute_path(path)) { | |
147 | char *slash; | |
148 | ||
d14d4244 | 149 | if (!cf || !cf->path) |
9b25a0b5 JK |
150 | return error("relative config includes must come from files"); |
151 | ||
d14d4244 | 152 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 153 | if (slash) |
d14d4244 | 154 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
155 | strbuf_addstr(&buf, path); |
156 | path = buf.buf; | |
157 | } | |
158 | ||
4698c8fe | 159 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
160 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
161 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
3258258f JK |
162 | !cf ? "<unknown>" : |
163 | cf->name ? cf->name : | |
164 | "the command line"); | |
9b25a0b5 JK |
165 | ret = git_config_from_file(git_config_include, path, inc); |
166 | inc->depth--; | |
167 | } | |
168 | strbuf_release(&buf); | |
4c0a89fc | 169 | free(expanded); |
9b25a0b5 JK |
170 | return ret; |
171 | } | |
172 | ||
173 | int git_config_include(const char *var, const char *value, void *data) | |
174 | { | |
175 | struct config_include_data *inc = data; | |
9b25a0b5 JK |
176 | int ret; |
177 | ||
178 | /* | |
179 | * Pass along all values, including "include" directives; this makes it | |
180 | * possible to query information on the includes themselves. | |
181 | */ | |
182 | ret = inc->fn(var, value, inc->data); | |
183 | if (ret < 0) | |
184 | return ret; | |
185 | ||
37007c3a | 186 | if (!strcmp(var, "include.path")) |
9b25a0b5 JK |
187 | ret = handle_path_include(value, inc); |
188 | return ret; | |
189 | } | |
190 | ||
2b64fc89 JK |
191 | void git_config_push_parameter(const char *text) |
192 | { | |
193 | struct strbuf env = STRBUF_INIT; | |
194 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
d1f88498 | 195 | if (old && *old) { |
2b64fc89 JK |
196 | strbuf_addstr(&env, old); |
197 | strbuf_addch(&env, ' '); | |
198 | } | |
199 | sq_quote_buf(&env, text); | |
200 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
201 | strbuf_release(&env); | |
202 | } | |
203 | ||
ee98df3f JH |
204 | static inline int iskeychar(int c) |
205 | { | |
206 | return isalnum(c) || c == '-'; | |
207 | } | |
208 | ||
209 | /* | |
210 | * Auxiliary function to sanity-check and split the key into the section | |
211 | * identifier and variable name. | |
212 | * | |
213 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
214 | * -2 if there is no section name in the key. | |
215 | * | |
216 | * store_key - pointer to char* which will hold a copy of the key with | |
217 | * lowercase section and variable name | |
218 | * baselen - pointer to int which will hold the length of the | |
219 | * section + subsection part, can be NULL | |
220 | */ | |
221 | static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet) | |
222 | { | |
223 | int i, dot, baselen; | |
224 | const char *last_dot = strrchr(key, '.'); | |
225 | ||
226 | /* | |
227 | * Since "key" actually contains the section name and the real | |
228 | * key name separated by a dot, we have to know where the dot is. | |
229 | */ | |
230 | ||
231 | if (last_dot == NULL || last_dot == key) { | |
232 | if (!quiet) | |
233 | error("key does not contain a section: %s", key); | |
234 | return -CONFIG_NO_SECTION_OR_NAME; | |
235 | } | |
236 | ||
237 | if (!last_dot[1]) { | |
238 | if (!quiet) | |
239 | error("key does not contain variable name: %s", key); | |
240 | return -CONFIG_NO_SECTION_OR_NAME; | |
241 | } | |
242 | ||
243 | baselen = last_dot - key; | |
244 | if (baselen_) | |
245 | *baselen_ = baselen; | |
246 | ||
247 | /* | |
248 | * Validate the key and while at it, lower case it for matching. | |
249 | */ | |
250 | if (store_key) | |
251 | *store_key = xmallocz(strlen(key)); | |
252 | ||
253 | dot = 0; | |
254 | for (i = 0; key[i]; i++) { | |
255 | unsigned char c = key[i]; | |
256 | if (c == '.') | |
257 | dot = 1; | |
258 | /* Leave the extended basename untouched.. */ | |
259 | if (!dot || i > baselen) { | |
260 | if (!iskeychar(c) || | |
261 | (i == baselen + 1 && !isalpha(c))) { | |
262 | if (!quiet) | |
263 | error("invalid key: %s", key); | |
264 | goto out_free_ret_1; | |
265 | } | |
266 | c = tolower(c); | |
267 | } else if (c == '\n') { | |
268 | if (!quiet) | |
269 | error("invalid key (newline): %s", key); | |
270 | goto out_free_ret_1; | |
271 | } | |
272 | if (store_key) | |
273 | (*store_key)[i] = c; | |
274 | } | |
275 | ||
276 | return 0; | |
277 | ||
278 | out_free_ret_1: | |
279 | if (store_key) { | |
280 | free(*store_key); | |
281 | *store_key = NULL; | |
282 | } | |
283 | return -CONFIG_INVALID_KEY; | |
284 | } | |
285 | ||
286 | int git_config_parse_key(const char *key, char **store_key, int *baselen) | |
287 | { | |
288 | return git_config_parse_key_1(key, store_key, baselen, 0); | |
289 | } | |
290 | ||
291 | int git_config_key_is_valid(const char *key) | |
292 | { | |
293 | return !git_config_parse_key_1(key, NULL, NULL, 1); | |
294 | } | |
295 | ||
2496844b JK |
296 | int git_config_parse_parameter(const char *text, |
297 | config_fn_t fn, void *data) | |
8b1fa778 | 298 | { |
a789ca70 | 299 | const char *value; |
1274a155 | 300 | char *canonical_name; |
572e4f6a | 301 | struct strbuf **pair; |
1274a155 | 302 | int ret; |
a789ca70 | 303 | |
f77bccae | 304 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
305 | if (!pair[0]) |
306 | return error("bogus config parameter: %s", text); | |
a789ca70 JH |
307 | |
308 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 309 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
310 | value = pair[1] ? pair[1]->buf : ""; |
311 | } else { | |
312 | value = NULL; | |
313 | } | |
314 | ||
572e4f6a AR |
315 | strbuf_trim(pair[0]); |
316 | if (!pair[0]->len) { | |
317 | strbuf_list_free(pair); | |
06eb708f | 318 | return error("bogus config parameter: %s", text); |
8b1fa778 | 319 | } |
1274a155 JH |
320 | |
321 | if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) { | |
322 | ret = -1; | |
323 | } else { | |
324 | ret = (fn(canonical_name, value, data) < 0) ? -1 : 0; | |
325 | free(canonical_name); | |
572e4f6a AR |
326 | } |
327 | strbuf_list_free(pair); | |
1274a155 | 328 | return ret; |
8b1fa778 AR |
329 | } |
330 | ||
06eb708f JK |
331 | int git_config_from_parameters(config_fn_t fn, void *data) |
332 | { | |
2b64fc89 | 333 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
a77d6db6 | 334 | int ret = 0; |
2b64fc89 JK |
335 | char *envw; |
336 | const char **argv = NULL; | |
337 | int nr = 0, alloc = 0; | |
338 | int i; | |
3258258f | 339 | struct config_source source; |
2b64fc89 JK |
340 | |
341 | if (!env) | |
342 | return 0; | |
3258258f JK |
343 | |
344 | memset(&source, 0, sizeof(source)); | |
345 | source.prev = cf; | |
1b8132d9 | 346 | source.origin_type = CONFIG_ORIGIN_CMDLINE; |
3258258f JK |
347 | cf = &source; |
348 | ||
2b64fc89 JK |
349 | /* sq_dequote will write over it */ |
350 | envw = xstrdup(env); | |
351 | ||
352 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
a77d6db6 JK |
353 | ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT); |
354 | goto out; | |
2b64fc89 JK |
355 | } |
356 | ||
357 | for (i = 0; i < nr; i++) { | |
06eb708f | 358 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
a77d6db6 JK |
359 | ret = -1; |
360 | goto out; | |
2b64fc89 JK |
361 | } |
362 | } | |
363 | ||
a77d6db6 | 364 | out: |
2b64fc89 JK |
365 | free(argv); |
366 | free(envw); | |
3258258f | 367 | cf = source.prev; |
a77d6db6 | 368 | return ret; |
2b64fc89 JK |
369 | } |
370 | ||
17712991 LT |
371 | static int get_next_char(void) |
372 | { | |
49d6cfa5 | 373 | int c = cf->do_fgetc(cf); |
17712991 | 374 | |
dbb9a812 HV |
375 | if (c == '\r') { |
376 | /* DOS like systems */ | |
49d6cfa5 | 377 | c = cf->do_fgetc(cf); |
dbb9a812 | 378 | if (c != '\n') { |
5e0be134 JK |
379 | if (c != EOF) |
380 | cf->do_ungetc(c, cf); | |
dbb9a812 | 381 | c = '\r'; |
17712991 LT |
382 | } |
383 | } | |
dbb9a812 HV |
384 | if (c == '\n') |
385 | cf->linenr++; | |
386 | if (c == EOF) { | |
387 | cf->eof = 1; | |
b3b3f60b | 388 | cf->linenr++; |
dbb9a812 HV |
389 | c = '\n'; |
390 | } | |
17712991 LT |
391 | return c; |
392 | } | |
393 | ||
394 | static char *parse_value(void) | |
395 | { | |
e96c19c5 | 396 | int quote = 0, comment = 0, space = 0; |
17712991 | 397 | |
924aaf3e | 398 | strbuf_reset(&cf->value); |
17712991 LT |
399 | for (;;) { |
400 | int c = get_next_char(); | |
17712991 | 401 | if (c == '\n') { |
4b340593 MS |
402 | if (quote) { |
403 | cf->linenr--; | |
17712991 | 404 | return NULL; |
4b340593 | 405 | } |
924aaf3e | 406 | return cf->value.buf; |
17712991 LT |
407 | } |
408 | if (comment) | |
409 | continue; | |
410 | if (isspace(c) && !quote) { | |
924aaf3e | 411 | if (cf->value.len) |
ebdaae37 | 412 | space++; |
17712991 LT |
413 | continue; |
414 | } | |
7ebdba61 JS |
415 | if (!quote) { |
416 | if (c == ';' || c == '#') { | |
417 | comment = 1; | |
418 | continue; | |
419 | } | |
420 | } | |
ebdaae37 | 421 | for (; space; space--) |
924aaf3e | 422 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
423 | if (c == '\\') { |
424 | c = get_next_char(); | |
425 | switch (c) { | |
426 | case '\n': | |
427 | continue; | |
428 | case 't': | |
429 | c = '\t'; | |
430 | break; | |
431 | case 'b': | |
432 | c = '\b'; | |
433 | break; | |
434 | case 'n': | |
435 | c = '\n'; | |
436 | break; | |
5cbb401d LT |
437 | /* Some characters escape as themselves */ |
438 | case '\\': case '"': | |
439 | break; | |
440 | /* Reject unknown escape sequences */ | |
441 | default: | |
442 | return NULL; | |
17712991 | 443 | } |
924aaf3e | 444 | strbuf_addch(&cf->value, c); |
17712991 LT |
445 | continue; |
446 | } | |
447 | if (c == '"') { | |
448 | quote = 1-quote; | |
449 | continue; | |
450 | } | |
924aaf3e | 451 | strbuf_addch(&cf->value, c); |
17712991 LT |
452 | } |
453 | } | |
454 | ||
0971e992 | 455 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
456 | { |
457 | int c; | |
458 | char *value; | |
b3b3f60b | 459 | int ret; |
17712991 LT |
460 | |
461 | /* Get the full name */ | |
462 | for (;;) { | |
463 | c = get_next_char(); | |
924aaf3e | 464 | if (cf->eof) |
17712991 | 465 | break; |
38c5afa8 | 466 | if (!iskeychar(c)) |
17712991 | 467 | break; |
0971e992 | 468 | strbuf_addch(name, tolower(c)); |
17712991 | 469 | } |
0971e992 | 470 | |
17712991 LT |
471 | while (c == ' ' || c == '\t') |
472 | c = get_next_char(); | |
473 | ||
474 | value = NULL; | |
475 | if (c != '\n') { | |
476 | if (c != '=') | |
477 | return -1; | |
478 | value = parse_value(); | |
479 | if (!value) | |
480 | return -1; | |
481 | } | |
b3b3f60b MM |
482 | /* |
483 | * We already consumed the \n, but we need linenr to point to | |
484 | * the line we just parsed during the call to fn to get | |
485 | * accurate line number in error messages. | |
486 | */ | |
487 | cf->linenr--; | |
488 | ret = fn(name->buf, value, data); | |
489 | cf->linenr++; | |
490 | return ret; | |
17712991 LT |
491 | } |
492 | ||
0971e992 | 493 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
494 | { |
495 | do { | |
496 | if (c == '\n') | |
4b340593 | 497 | goto error_incomplete_line; |
d14f7764 LT |
498 | c = get_next_char(); |
499 | } while (isspace(c)); | |
500 | ||
501 | /* We require the format to be '[base "extension"]' */ | |
502 | if (c != '"') | |
503 | return -1; | |
0971e992 | 504 | strbuf_addch(name, '.'); |
d14f7764 LT |
505 | |
506 | for (;;) { | |
507 | int c = get_next_char(); | |
508 | if (c == '\n') | |
4b340593 | 509 | goto error_incomplete_line; |
d14f7764 LT |
510 | if (c == '"') |
511 | break; | |
512 | if (c == '\\') { | |
513 | c = get_next_char(); | |
514 | if (c == '\n') | |
4b340593 | 515 | goto error_incomplete_line; |
d14f7764 | 516 | } |
0971e992 | 517 | strbuf_addch(name, c); |
d14f7764 LT |
518 | } |
519 | ||
520 | /* Final ']' */ | |
521 | if (get_next_char() != ']') | |
522 | return -1; | |
0971e992 | 523 | return 0; |
4b340593 MS |
524 | error_incomplete_line: |
525 | cf->linenr--; | |
526 | return -1; | |
d14f7764 LT |
527 | } |
528 | ||
0971e992 | 529 | static int get_base_var(struct strbuf *name) |
17712991 | 530 | { |
17712991 LT |
531 | for (;;) { |
532 | int c = get_next_char(); | |
924aaf3e | 533 | if (cf->eof) |
17712991 LT |
534 | return -1; |
535 | if (c == ']') | |
0971e992 | 536 | return 0; |
d14f7764 | 537 | if (isspace(c)) |
0971e992 | 538 | return get_extended_base_var(name, c); |
38c5afa8 | 539 | if (!iskeychar(c) && c != '.') |
17712991 | 540 | return -1; |
0971e992 | 541 | strbuf_addch(name, tolower(c)); |
17712991 LT |
542 | } |
543 | } | |
544 | ||
4d8dd149 | 545 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
546 | { |
547 | int comment = 0; | |
548 | int baselen = 0; | |
0971e992 | 549 | struct strbuf *var = &cf->var; |
1b8132d9 VA |
550 | int error_return = 0; |
551 | char *error_msg = NULL; | |
17712991 | 552 | |
de056402 | 553 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 554 | const char *bomptr = utf8_bom; |
de056402 | 555 | |
17712991 LT |
556 | for (;;) { |
557 | int c = get_next_char(); | |
de056402 PB |
558 | if (bomptr && *bomptr) { |
559 | /* We are at the file beginning; skip UTF8-encoded BOM | |
560 | * if present. Sane editors won't put this in on their | |
561 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 562 | if (c == (*bomptr & 0377)) { |
de056402 PB |
563 | bomptr++; |
564 | continue; | |
565 | } else { | |
566 | /* Do not tolerate partial BOM. */ | |
567 | if (bomptr != utf8_bom) | |
568 | break; | |
569 | /* No BOM at file beginning. Cool. */ | |
570 | bomptr = NULL; | |
571 | } | |
572 | } | |
17712991 | 573 | if (c == '\n') { |
924aaf3e | 574 | if (cf->eof) |
17712991 LT |
575 | return 0; |
576 | comment = 0; | |
577 | continue; | |
578 | } | |
579 | if (comment || isspace(c)) | |
580 | continue; | |
581 | if (c == '#' || c == ';') { | |
582 | comment = 1; | |
583 | continue; | |
584 | } | |
585 | if (c == '[') { | |
0971e992 BW |
586 | /* Reset prior to determining a new stem */ |
587 | strbuf_reset(var); | |
588 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 589 | break; |
0971e992 BW |
590 | strbuf_addch(var, '.'); |
591 | baselen = var->len; | |
17712991 LT |
592 | continue; |
593 | } | |
594 | if (!isalpha(c)) | |
595 | break; | |
0971e992 BW |
596 | /* |
597 | * Truncate the var name back to the section header | |
598 | * stem prior to grabbing the suffix part of the name | |
599 | * and the value. | |
600 | */ | |
601 | strbuf_setlen(var, baselen); | |
602 | strbuf_addch(var, tolower(c)); | |
603 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
604 | break; |
605 | } | |
1b8132d9 VA |
606 | |
607 | switch (cf->origin_type) { | |
608 | case CONFIG_ORIGIN_BLOB: | |
609 | error_msg = xstrfmt(_("bad config line %d in blob %s"), | |
610 | cf->linenr, cf->name); | |
611 | break; | |
612 | case CONFIG_ORIGIN_FILE: | |
613 | error_msg = xstrfmt(_("bad config line %d in file %s"), | |
614 | cf->linenr, cf->name); | |
615 | break; | |
616 | case CONFIG_ORIGIN_STDIN: | |
617 | error_msg = xstrfmt(_("bad config line %d in standard input"), | |
618 | cf->linenr); | |
619 | break; | |
620 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
621 | error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"), | |
622 | cf->linenr, cf->name); | |
623 | break; | |
624 | case CONFIG_ORIGIN_CMDLINE: | |
625 | error_msg = xstrfmt(_("bad config line %d in command line %s"), | |
626 | cf->linenr, cf->name); | |
627 | break; | |
628 | default: | |
629 | error_msg = xstrfmt(_("bad config line %d in %s"), | |
630 | cf->linenr, cf->name); | |
631 | } | |
632 | ||
b2dc0945 | 633 | if (cf->die_on_error) |
1b8132d9 | 634 | die("%s", error_msg); |
b2dc0945 | 635 | else |
1b8132d9 VA |
636 | error_return = error("%s", error_msg); |
637 | ||
638 | free(error_msg); | |
639 | return error_return; | |
17712991 LT |
640 | } |
641 | ||
ebaa1bd4 | 642 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
643 | { |
644 | if (!*end) | |
645 | return 1; | |
c8deb5a1 SP |
646 | else if (!strcasecmp(end, "k")) { |
647 | *val *= 1024; | |
648 | return 1; | |
649 | } | |
650 | else if (!strcasecmp(end, "m")) { | |
651 | *val *= 1024 * 1024; | |
652 | return 1; | |
653 | } | |
654 | else if (!strcasecmp(end, "g")) { | |
655 | *val *= 1024 * 1024 * 1024; | |
656 | return 1; | |
657 | } | |
658 | return 0; | |
0b87b6e0 BD |
659 | } |
660 | ||
7192777d | 661 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
662 | { |
663 | if (value && *value) { | |
664 | char *end; | |
ebaa1bd4 NA |
665 | intmax_t val; |
666 | uintmax_t uval; | |
667 | uintmax_t factor = 1; | |
668 | ||
669 | errno = 0; | |
670 | val = strtoimax(value, &end, 0); | |
671 | if (errno == ERANGE) | |
672 | return 0; | |
33fdd77e JK |
673 | if (!parse_unit_factor(end, &factor)) { |
674 | errno = EINVAL; | |
c8deb5a1 | 675 | return 0; |
33fdd77e | 676 | } |
83915ba5 | 677 | uval = labs(val); |
ebaa1bd4 | 678 | uval *= factor; |
83915ba5 | 679 | if (uval > max || labs(val) > uval) { |
33fdd77e | 680 | errno = ERANGE; |
ebaa1bd4 | 681 | return 0; |
33fdd77e | 682 | } |
ebaa1bd4 NA |
683 | val *= factor; |
684 | *ret = val; | |
0b87b6e0 BD |
685 | return 1; |
686 | } | |
33fdd77e | 687 | errno = EINVAL; |
0b87b6e0 BD |
688 | return 0; |
689 | } | |
690 | ||
0b4dc661 | 691 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
692 | { |
693 | if (value && *value) { | |
694 | char *end; | |
ebaa1bd4 NA |
695 | uintmax_t val; |
696 | uintmax_t oldval; | |
697 | ||
698 | errno = 0; | |
699 | val = strtoumax(value, &end, 0); | |
700 | if (errno == ERANGE) | |
701 | return 0; | |
702 | oldval = val; | |
33fdd77e JK |
703 | if (!parse_unit_factor(end, &val)) { |
704 | errno = EINVAL; | |
c8deb5a1 | 705 | return 0; |
33fdd77e JK |
706 | } |
707 | if (val > max || oldval > val) { | |
708 | errno = ERANGE; | |
ebaa1bd4 | 709 | return 0; |
33fdd77e | 710 | } |
c8deb5a1 | 711 | *ret = val; |
0b87b6e0 | 712 | return 1; |
17712991 | 713 | } |
33fdd77e | 714 | errno = EINVAL; |
0b87b6e0 BD |
715 | return 0; |
716 | } | |
717 | ||
42d194e9 | 718 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 719 | { |
7192777d | 720 | intmax_t tmp; |
42d194e9 | 721 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
722 | return 0; |
723 | *ret = tmp; | |
724 | return 1; | |
725 | } | |
726 | ||
00160242 JK |
727 | static int git_parse_int64(const char *value, int64_t *ret) |
728 | { | |
729 | intmax_t tmp; | |
730 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
731 | return 0; | |
732 | *ret = tmp; | |
733 | return 1; | |
734 | } | |
735 | ||
7192777d JK |
736 | int git_parse_ulong(const char *value, unsigned long *ret) |
737 | { | |
738 | uintmax_t tmp; | |
739 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
740 | return 0; | |
741 | *ret = tmp; | |
742 | return 1; | |
743 | } | |
744 | ||
06bdc23b | 745 | NORETURN |
2f666581 | 746 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 747 | { |
078fe305 JNA |
748 | const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit"); |
749 | ||
2f666581 JK |
750 | if (!value) |
751 | value = ""; | |
752 | ||
1b8132d9 | 753 | if (!(cf && cf->name)) |
078fe305 JNA |
754 | die(_("bad numeric config value '%s' for '%s': %s"), |
755 | value, name, error_type); | |
1b8132d9 VA |
756 | |
757 | switch (cf->origin_type) { | |
758 | case CONFIG_ORIGIN_BLOB: | |
078fe305 JNA |
759 | die(_("bad numeric config value '%s' for '%s' in blob %s: %s"), |
760 | value, name, cf->name, error_type); | |
1b8132d9 | 761 | case CONFIG_ORIGIN_FILE: |
078fe305 JNA |
762 | die(_("bad numeric config value '%s' for '%s' in file %s: %s"), |
763 | value, name, cf->name, error_type); | |
1b8132d9 | 764 | case CONFIG_ORIGIN_STDIN: |
078fe305 JNA |
765 | die(_("bad numeric config value '%s' for '%s' in standard input: %s"), |
766 | value, name, error_type); | |
1b8132d9 | 767 | case CONFIG_ORIGIN_SUBMODULE_BLOB: |
078fe305 JNA |
768 | die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"), |
769 | value, name, cf->name, error_type); | |
1b8132d9 | 770 | case CONFIG_ORIGIN_CMDLINE: |
078fe305 JNA |
771 | die(_("bad numeric config value '%s' for '%s' in command line %s: %s"), |
772 | value, name, cf->name, error_type); | |
1b8132d9 | 773 | default: |
078fe305 JNA |
774 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
775 | value, name, cf->name, error_type); | |
1b8132d9 | 776 | } |
c1867cea JK |
777 | } |
778 | ||
0b87b6e0 BD |
779 | int git_config_int(const char *name, const char *value) |
780 | { | |
42d194e9 JK |
781 | int ret; |
782 | if (!git_parse_int(value, &ret)) | |
2f666581 | 783 | die_bad_number(name, value); |
0b87b6e0 BD |
784 | return ret; |
785 | } | |
786 | ||
00160242 JK |
787 | int64_t git_config_int64(const char *name, const char *value) |
788 | { | |
789 | int64_t ret; | |
790 | if (!git_parse_int64(value, &ret)) | |
791 | die_bad_number(name, value); | |
0b87b6e0 BD |
792 | return ret; |
793 | } | |
794 | ||
795 | unsigned long git_config_ulong(const char *name, const char *value) | |
796 | { | |
797 | unsigned long ret; | |
798 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 799 | die_bad_number(name, value); |
0b87b6e0 | 800 | return ret; |
17712991 LT |
801 | } |
802 | ||
9a549d43 | 803 | int git_parse_maybe_bool(const char *value) |
17712991 LT |
804 | { |
805 | if (!value) | |
806 | return 1; | |
807 | if (!*value) | |
808 | return 0; | |
8420ccd8 JH |
809 | if (!strcasecmp(value, "true") |
810 | || !strcasecmp(value, "yes") | |
811 | || !strcasecmp(value, "on")) | |
17712991 | 812 | return 1; |
8420ccd8 JH |
813 | if (!strcasecmp(value, "false") |
814 | || !strcasecmp(value, "no") | |
815 | || !strcasecmp(value, "off")) | |
17712991 | 816 | return 0; |
8420ccd8 JH |
817 | return -1; |
818 | } | |
819 | ||
b2be2f6a JK |
820 | int git_config_maybe_bool(const char *name, const char *value) |
821 | { | |
9a549d43 | 822 | int v = git_parse_maybe_bool(value); |
b2be2f6a JK |
823 | if (0 <= v) |
824 | return v; | |
42d194e9 | 825 | if (git_parse_int(value, &v)) |
db6195ef | 826 | return !!v; |
b2be2f6a JK |
827 | return -1; |
828 | } | |
829 | ||
8420ccd8 JH |
830 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
831 | { | |
9a549d43 | 832 | int v = git_parse_maybe_bool(value); |
8420ccd8 JH |
833 | if (0 <= v) { |
834 | *is_bool = 1; | |
835 | return v; | |
836 | } | |
a53f2ec6 | 837 | *is_bool = 0; |
c35b0b58 | 838 | return git_config_int(name, value); |
17712991 LT |
839 | } |
840 | ||
a53f2ec6 JH |
841 | int git_config_bool(const char *name, const char *value) |
842 | { | |
843 | int discard; | |
c35b0b58 | 844 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
845 | } |
846 | ||
ea5105a5 CC |
847 | int git_config_string(const char **dest, const char *var, const char *value) |
848 | { | |
849 | if (!value) | |
850 | return config_error_nonbool(var); | |
851 | *dest = xstrdup(value); | |
852 | return 0; | |
853 | } | |
854 | ||
395de250 MM |
855 | int git_config_pathname(const char **dest, const char *var, const char *value) |
856 | { | |
857 | if (!value) | |
858 | return config_error_nonbool(var); | |
859 | *dest = expand_user_path(value); | |
860 | if (!*dest) | |
8262aaa2 | 861 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
862 | return 0; |
863 | } | |
864 | ||
806e2ad7 | 865 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
866 | { |
867 | /* This needs a better name */ | |
868 | if (!strcmp(var, "core.filemode")) { | |
869 | trust_executable_bit = git_config_bool(var, value); | |
870 | return 0; | |
871 | } | |
1ce4790b AR |
872 | if (!strcmp(var, "core.trustctime")) { |
873 | trust_ctime = git_config_bool(var, value); | |
874 | return 0; | |
875 | } | |
c1b5d738 | 876 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
877 | if (!strcasecmp(value, "default")) |
878 | check_stat = 1; | |
879 | else if (!strcasecmp(value, "minimal")) | |
880 | check_stat = 0; | |
881 | } | |
17712991 | 882 | |
9378c161 JH |
883 | if (!strcmp(var, "core.quotepath")) { |
884 | quote_path_fully = git_config_bool(var, value); | |
885 | return 0; | |
886 | } | |
887 | ||
78a8d641 JS |
888 | if (!strcmp(var, "core.symlinks")) { |
889 | has_symlinks = git_config_bool(var, value); | |
890 | return 0; | |
891 | } | |
892 | ||
0a9b88b7 LT |
893 | if (!strcmp(var, "core.ignorecase")) { |
894 | ignore_case = git_config_bool(var, value); | |
895 | return 0; | |
896 | } | |
897 | ||
64589a03 JH |
898 | if (!strcmp(var, "core.attributesfile")) |
899 | return git_config_pathname(&git_attributes_file, var, value); | |
900 | ||
867ad08a ÆAB |
901 | if (!strcmp(var, "core.hookspath")) |
902 | return git_config_pathname(&git_hooks_path, var, value); | |
903 | ||
7d1864ce JH |
904 | if (!strcmp(var, "core.bare")) { |
905 | is_bare_repository_cfg = git_config_bool(var, value); | |
906 | return 0; | |
907 | } | |
908 | ||
5f73076c JH |
909 | if (!strcmp(var, "core.ignorestat")) { |
910 | assume_unchanged = git_config_bool(var, value); | |
911 | return 0; | |
912 | } | |
913 | ||
e388c738 JH |
914 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
915 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
916 | return 0; |
917 | } | |
918 | ||
6de08ae6 | 919 | if (!strcmp(var, "core.logallrefupdates")) { |
341fb286 CW |
920 | if (value && !strcasecmp(value, "always")) |
921 | log_all_ref_updates = LOG_REFS_ALWAYS; | |
922 | else if (git_config_bool(var, value)) | |
923 | log_all_ref_updates = LOG_REFS_NORMAL; | |
924 | else | |
925 | log_all_ref_updates = LOG_REFS_NONE; | |
6de08ae6 SP |
926 | return 0; |
927 | } | |
928 | ||
2f8acdb3 JH |
929 | if (!strcmp(var, "core.warnambiguousrefs")) { |
930 | warn_ambiguous_refs = git_config_bool(var, value); | |
931 | return 0; | |
932 | } | |
933 | ||
a71f09fe | 934 | if (!strcmp(var, "core.abbrev")) { |
48d5014d JH |
935 | if (!value) |
936 | return config_error_nonbool(var); | |
937 | if (!strcasecmp(value, "auto")) | |
938 | default_abbrev = -1; | |
939 | else { | |
940 | int abbrev = git_config_int(var, value); | |
941 | if (abbrev < minimum_abbrev || abbrev > 40) | |
942 | return error("abbrev length out of range: %d", abbrev); | |
943 | default_abbrev = abbrev; | |
944 | } | |
dce96489 LT |
945 | return 0; |
946 | } | |
947 | ||
5b33cb1f JK |
948 | if (!strcmp(var, "core.disambiguate")) |
949 | return set_disambiguate_hint_config(var, value); | |
950 | ||
960ccca6 | 951 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
952 | int level = git_config_int(var, value); |
953 | if (level == -1) | |
954 | level = Z_DEFAULT_COMPRESSION; | |
955 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 956 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 957 | zlib_compression_level = level; |
960ccca6 DH |
958 | zlib_compression_seen = 1; |
959 | return 0; | |
960 | } | |
961 | ||
962 | if (!strcmp(var, "core.compression")) { | |
963 | int level = git_config_int(var, value); | |
964 | if (level == -1) | |
965 | level = Z_DEFAULT_COMPRESSION; | |
966 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 967 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
968 | core_compression_level = level; |
969 | core_compression_seen = 1; | |
970 | if (!zlib_compression_seen) | |
971 | zlib_compression_level = level; | |
8de7eeb5 JH |
972 | if (!pack_compression_seen) |
973 | pack_compression_level = level; | |
12f6c308 JBH |
974 | return 0; |
975 | } | |
976 | ||
60bb8b14 | 977 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 978 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 979 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
980 | |
981 | /* This value must be multiple of (pagesize * 2) */ | |
982 | packed_git_window_size /= pgsz_x2; | |
983 | if (packed_git_window_size < 1) | |
984 | packed_git_window_size = 1; | |
985 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
986 | return 0; |
987 | } | |
988 | ||
15366280 | 989 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 990 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
991 | return 0; |
992 | } | |
993 | ||
77ccc5bb | 994 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 995 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
996 | return 0; |
997 | } | |
998 | ||
18bdec11 | 999 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 1000 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
1001 | return 0; |
1002 | } | |
1003 | ||
6c510bee | 1004 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 1005 | if (value && !strcasecmp(value, "input")) { |
fd6cce9e | 1006 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
1007 | return 0; |
1008 | } | |
6c510bee LT |
1009 | auto_crlf = git_config_bool(var, value); |
1010 | return 0; | |
1011 | } | |
1012 | ||
21e5ad50 SP |
1013 | if (!strcmp(var, "core.safecrlf")) { |
1014 | if (value && !strcasecmp(value, "warn")) { | |
1015 | safe_crlf = SAFE_CRLF_WARN; | |
1016 | return 0; | |
1017 | } | |
1018 | safe_crlf = git_config_bool(var, value); | |
1019 | return 0; | |
1020 | } | |
1021 | ||
942e7747 EB |
1022 | if (!strcmp(var, "core.eol")) { |
1023 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 1024 | core_eol = EOL_LF; |
942e7747 | 1025 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 1026 | core_eol = EOL_CRLF; |
942e7747 | 1027 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 1028 | core_eol = EOL_NATIVE; |
942e7747 | 1029 | else |
ec70f52f | 1030 | core_eol = EOL_UNSET; |
942e7747 EB |
1031 | return 0; |
1032 | } | |
1033 | ||
a97a7468 JS |
1034 | if (!strcmp(var, "core.notesref")) { |
1035 | notes_ref_name = xstrdup(value); | |
1036 | return 0; | |
1037 | } | |
1038 | ||
806e2ad7 LT |
1039 | if (!strcmp(var, "core.editor")) |
1040 | return git_config_string(&editor_program, var, value); | |
1041 | ||
eff80a9f | 1042 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
1043 | if (!value) |
1044 | return config_error_nonbool(var); | |
ad524f83 | 1045 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 1046 | auto_comment_line_char = 1; |
ad524f83 | 1047 | else if (value[0] && !value[1]) { |
649409b7 | 1048 | comment_line_char = value[0]; |
84c9dc2c | 1049 | auto_comment_line_char = 0; |
50b54fd7 NTND |
1050 | } else |
1051 | return error("core.commentChar should only be one character"); | |
1052 | return 0; | |
eff80a9f JH |
1053 | } |
1054 | ||
d3e7da89 AK |
1055 | if (!strcmp(var, "core.askpass")) |
1056 | return git_config_string(&askpass_program, var, value); | |
1057 | ||
806e2ad7 | 1058 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 1059 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
1060 | |
1061 | if (!strcmp(var, "core.whitespace")) { | |
1062 | if (!value) | |
1063 | return config_error_nonbool(var); | |
1064 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
1065 | return 0; | |
1066 | } | |
1067 | ||
aafe9fba LT |
1068 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
1069 | fsync_object_files = git_config_bool(var, value); | |
1070 | return 0; | |
1071 | } | |
1072 | ||
671c9b7e LT |
1073 | if (!strcmp(var, "core.preloadindex")) { |
1074 | core_preload_index = git_config_bool(var, value); | |
1075 | return 0; | |
1076 | } | |
1077 | ||
348df166 JS |
1078 | if (!strcmp(var, "core.createobject")) { |
1079 | if (!strcmp(value, "rename")) | |
1080 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
1081 | else if (!strcmp(value, "link")) | |
1082 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
1083 | else | |
8262aaa2 | 1084 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
1085 | return 0; |
1086 | } | |
1087 | ||
08aefc9e NTND |
1088 | if (!strcmp(var, "core.sparsecheckout")) { |
1089 | core_apply_sparse_checkout = git_config_bool(var, value); | |
1090 | return 0; | |
1091 | } | |
1092 | ||
76759c7d TB |
1093 | if (!strcmp(var, "core.precomposeunicode")) { |
1094 | precomposed_unicode = git_config_bool(var, value); | |
1095 | return 0; | |
1096 | } | |
1097 | ||
a42643aa JK |
1098 | if (!strcmp(var, "core.protecthfs")) { |
1099 | protect_hfs = git_config_bool(var, value); | |
1100 | return 0; | |
1101 | } | |
1102 | ||
2b4c6efc JS |
1103 | if (!strcmp(var, "core.protectntfs")) { |
1104 | protect_ntfs = git_config_bool(var, value); | |
1105 | return 0; | |
76759c7d TB |
1106 | } |
1107 | ||
f30afdab JS |
1108 | if (!strcmp(var, "core.hidedotfiles")) { |
1109 | if (value && !strcasecmp(value, "dotgitonly")) | |
1110 | hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; | |
1111 | else | |
1112 | hide_dotfiles = git_config_bool(var, value); | |
1113 | return 0; | |
1114 | } | |
1115 | ||
806e2ad7 LT |
1116 | /* Add other config variables here and to Documentation/config.txt. */ |
1117 | return 0; | |
1118 | } | |
1119 | ||
1141f492 | 1120 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 1121 | { |
ea5105a5 CC |
1122 | if (!strcmp(var, "i18n.commitencoding")) |
1123 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 1124 | |
ea5105a5 CC |
1125 | if (!strcmp(var, "i18n.logoutputencoding")) |
1126 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 1127 | |
1141f492 LT |
1128 | /* Add other config variables here and to Documentation/config.txt. */ |
1129 | return 0; | |
1130 | } | |
039bc64e | 1131 | |
1141f492 LT |
1132 | static int git_default_branch_config(const char *var, const char *value) |
1133 | { | |
9ed36cfa JS |
1134 | if (!strcmp(var, "branch.autosetupmerge")) { |
1135 | if (value && !strcasecmp(value, "always")) { | |
1136 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
1137 | return 0; | |
1138 | } | |
1139 | git_branch_track = git_config_bool(var, value); | |
1140 | return 0; | |
1141 | } | |
c998ae9b DS |
1142 | if (!strcmp(var, "branch.autosetuprebase")) { |
1143 | if (!value) | |
1144 | return config_error_nonbool(var); | |
1145 | else if (!strcmp(value, "never")) | |
1146 | autorebase = AUTOREBASE_NEVER; | |
1147 | else if (!strcmp(value, "local")) | |
1148 | autorebase = AUTOREBASE_LOCAL; | |
1149 | else if (!strcmp(value, "remote")) | |
1150 | autorebase = AUTOREBASE_REMOTE; | |
1151 | else if (!strcmp(value, "always")) | |
1152 | autorebase = AUTOREBASE_ALWAYS; | |
1153 | else | |
8c3ca351 | 1154 | return error("malformed value for %s", var); |
c998ae9b DS |
1155 | return 0; |
1156 | } | |
a9cc857a | 1157 | |
1ab661dd | 1158 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
1159 | return 0; |
1160 | } | |
1161 | ||
52153747 FAG |
1162 | static int git_default_push_config(const char *var, const char *value) |
1163 | { | |
1164 | if (!strcmp(var, "push.default")) { | |
1165 | if (!value) | |
1166 | return config_error_nonbool(var); | |
1167 | else if (!strcmp(value, "nothing")) | |
1168 | push_default = PUSH_DEFAULT_NOTHING; | |
1169 | else if (!strcmp(value, "matching")) | |
1170 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
1171 | else if (!strcmp(value, "simple")) |
1172 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
1173 | else if (!strcmp(value, "upstream")) |
1174 | push_default = PUSH_DEFAULT_UPSTREAM; | |
1175 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
1176 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
1177 | else if (!strcmp(value, "current")) |
1178 | push_default = PUSH_DEFAULT_CURRENT; | |
1179 | else { | |
8c3ca351 | 1180 | error("malformed value for %s: %s", var, value); |
b55e6775 MM |
1181 | return error("Must be one of nothing, matching, simple, " |
1182 | "upstream or current."); | |
52153747 FAG |
1183 | } |
1184 | return 0; | |
1185 | } | |
1186 | ||
1187 | /* Add other config variables here and to Documentation/config.txt. */ | |
1188 | return 0; | |
1189 | } | |
1190 | ||
d551a488 MSO |
1191 | static int git_default_mailmap_config(const char *var, const char *value) |
1192 | { | |
1193 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1194 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1195 | if (!strcmp(var, "mailmap.blob")) |
1196 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1197 | |
1198 | /* Add other config variables here and to Documentation/config.txt. */ | |
1199 | return 0; | |
1200 | } | |
1201 | ||
1141f492 LT |
1202 | int git_default_config(const char *var, const char *value, void *dummy) |
1203 | { | |
59556548 | 1204 | if (starts_with(var, "core.")) |
1141f492 LT |
1205 | return git_default_core_config(var, value); |
1206 | ||
59556548 | 1207 | if (starts_with(var, "user.")) |
9597921b | 1208 | return git_ident_config(var, value, dummy); |
1141f492 | 1209 | |
59556548 | 1210 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1211 | return git_default_i18n_config(var, value); |
1212 | ||
59556548 | 1213 | if (starts_with(var, "branch.")) |
1141f492 LT |
1214 | return git_default_branch_config(var, value); |
1215 | ||
59556548 | 1216 | if (starts_with(var, "push.")) |
52153747 FAG |
1217 | return git_default_push_config(var, value); |
1218 | ||
59556548 | 1219 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1220 | return git_default_mailmap_config(var, value); |
1221 | ||
59556548 | 1222 | if (starts_with(var, "advice.")) |
75194438 JK |
1223 | return git_default_advice_config(var, value); |
1224 | ||
1141f492 LT |
1225 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1226 | pager_use_color = git_config_bool(var,value); | |
1227 | return 0; | |
1228 | } | |
1229 | ||
568508e7 JH |
1230 | if (!strcmp(var, "pack.packsizelimit")) { |
1231 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1232 | return 0; | |
1233 | } | |
8de7eeb5 JH |
1234 | |
1235 | if (!strcmp(var, "pack.compression")) { | |
1236 | int level = git_config_int(var, value); | |
1237 | if (level == -1) | |
1238 | level = Z_DEFAULT_COMPRESSION; | |
1239 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
1240 | die(_("bad pack compression level %d"), level); | |
1241 | pack_compression_level = level; | |
1242 | pack_compression_seen = 1; | |
1243 | return 0; | |
1244 | } | |
1245 | ||
1141f492 LT |
1246 | /* Add other config variables here and to Documentation/config.txt. */ |
1247 | return 0; | |
1248 | } | |
1249 | ||
ca4b5de2 | 1250 | /* |
b2dc0945 | 1251 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1252 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1253 | * this function. |
1254 | */ | |
4d8dd149 | 1255 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1256 | { |
1257 | int ret; | |
1258 | ||
1259 | /* push config-file parsing state stack */ | |
1260 | top->prev = cf; | |
1261 | top->linenr = 1; | |
1262 | top->eof = 0; | |
1263 | strbuf_init(&top->value, 1024); | |
1264 | strbuf_init(&top->var, 1024); | |
1265 | cf = top; | |
1266 | ||
4d8dd149 | 1267 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1268 | |
1269 | /* pop config-file parsing state stack */ | |
1270 | strbuf_release(&top->value); | |
1271 | strbuf_release(&top->var); | |
1272 | cf = top->prev; | |
1273 | ||
1274 | return ret; | |
1275 | } | |
1276 | ||
3caec73b | 1277 | static int do_config_from_file(config_fn_t fn, |
1b8132d9 VA |
1278 | const enum config_origin_type origin_type, |
1279 | const char *name, const char *path, FILE *f, | |
473166b9 | 1280 | void *data) |
17712991 | 1281 | { |
3caec73b | 1282 | struct config_source top; |
17712991 | 1283 | |
3caec73b | 1284 | top.u.file = f; |
473166b9 | 1285 | top.origin_type = origin_type; |
3caec73b KS |
1286 | top.name = name; |
1287 | top.path = path; | |
1288 | top.die_on_error = 1; | |
1289 | top.do_fgetc = config_file_fgetc; | |
1290 | top.do_ungetc = config_file_ungetc; | |
1291 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1292 | |
3caec73b KS |
1293 | return do_config_from(&top, fn, data); |
1294 | } | |
924aaf3e | 1295 | |
3caec73b KS |
1296 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1297 | { | |
1b8132d9 | 1298 | return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin, data); |
3caec73b KS |
1299 | } |
1300 | ||
1301 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) | |
1302 | { | |
1303 | int ret = -1; | |
1304 | FILE *f; | |
924aaf3e | 1305 | |
3caec73b KS |
1306 | f = fopen(filename, "r"); |
1307 | if (f) { | |
260d408e | 1308 | flockfile(f); |
1b8132d9 | 1309 | ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename, filename, f, data); |
260d408e | 1310 | funlockfile(f); |
17712991 LT |
1311 | fclose(f); |
1312 | } | |
1313 | return ret; | |
1314 | } | |
10bea152 | 1315 | |
1b8132d9 | 1316 | int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_type, |
473166b9 | 1317 | const char *name, const char *buf, size_t len, void *data) |
1bc88819 HV |
1318 | { |
1319 | struct config_source top; | |
1320 | ||
1321 | top.u.buf.buf = buf; | |
1322 | top.u.buf.len = len; | |
1323 | top.u.buf.pos = 0; | |
473166b9 | 1324 | top.origin_type = origin_type; |
1bc88819 | 1325 | top.name = name; |
d14d4244 | 1326 | top.path = NULL; |
b2dc0945 | 1327 | top.die_on_error = 0; |
49d6cfa5 JK |
1328 | top.do_fgetc = config_buf_fgetc; |
1329 | top.do_ungetc = config_buf_ungetc; | |
1330 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1331 | |
1332 | return do_config_from(&top, fn, data); | |
1333 | } | |
1334 | ||
9ebf689a BW |
1335 | int git_config_from_blob_sha1(config_fn_t fn, |
1336 | const char *name, | |
1337 | const unsigned char *sha1, | |
1338 | void *data) | |
1bc88819 HV |
1339 | { |
1340 | enum object_type type; | |
1341 | char *buf; | |
1342 | unsigned long size; | |
1343 | int ret; | |
1344 | ||
1345 | buf = read_sha1_file(sha1, &type, &size); | |
1346 | if (!buf) | |
1347 | return error("unable to load config blob object '%s'", name); | |
1348 | if (type != OBJ_BLOB) { | |
1349 | free(buf); | |
1350 | return error("reference '%s' does not point to a blob", name); | |
1351 | } | |
1352 | ||
1b8132d9 | 1353 | ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data); |
1bc88819 HV |
1354 | free(buf); |
1355 | ||
1356 | return ret; | |
1357 | } | |
1358 | ||
1359 | static int git_config_from_blob_ref(config_fn_t fn, | |
1360 | const char *name, | |
1361 | void *data) | |
1362 | { | |
1363 | unsigned char sha1[20]; | |
1364 | ||
1365 | if (get_sha1(name, sha1) < 0) | |
1366 | return error("unable to resolve config blob '%s'", name); | |
1367 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1368 | } | |
1369 | ||
506b17b1 JS |
1370 | const char *git_etc_gitconfig(void) |
1371 | { | |
7f0e39fa | 1372 | static const char *system_wide; |
2de9de5e SP |
1373 | if (!system_wide) |
1374 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1375 | return system_wide; |
506b17b1 JS |
1376 | } |
1377 | ||
23b0c478 SP |
1378 | /* |
1379 | * Parse environment variable 'k' as a boolean (in various | |
1380 | * possible spellings); if missing, use the default value 'def'. | |
1381 | */ | |
0ef37164 | 1382 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1383 | { |
1384 | const char *v = getenv(k); | |
1385 | return v ? git_config_bool(k, v) : def; | |
1386 | } | |
1387 | ||
23b0c478 SP |
1388 | /* |
1389 | * Parse environment variable 'k' as ulong with possibly a unit | |
1390 | * suffix; if missing, use the default value 'val'. | |
1391 | */ | |
1392 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1393 | { | |
1394 | const char *v = getenv(k); | |
1395 | if (v && !git_parse_ulong(v, &val)) | |
1396 | die("failed to parse %s", k); | |
1397 | return val; | |
1398 | } | |
1399 | ||
ab88c363 JK |
1400 | int git_config_system(void) |
1401 | { | |
1402 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1403 | } | |
1404 | ||
80181868 | 1405 | static int do_git_config_sequence(config_fn_t fn, void *data) |
4f629539 | 1406 | { |
c72ee44b | 1407 | int ret = 0; |
509adc33 PT |
1408 | char *xdg_config = xdg_config_home("config"); |
1409 | char *user_config = expand_user_path("~/.gitconfig"); | |
b9605bc4 | 1410 | char *repo_config = have_git_dir() ? git_pathdup("config") : NULL; |
5f1a63e0 | 1411 | |
9acc5911 | 1412 | current_parsing_scope = CONFIG_SCOPE_SYSTEM; |
c72ee44b | 1413 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) |
dc871831 DB |
1414 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1415 | data); | |
5f1a63e0 | 1416 | |
9acc5911 | 1417 | current_parsing_scope = CONFIG_SCOPE_GLOBAL; |
c72ee44b | 1418 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1419 | ret += git_config_from_file(fn, xdg_config, data); |
21cf3227 | 1420 | |
c72ee44b | 1421 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) |
21cf3227 | 1422 | ret += git_config_from_file(fn, user_config, data); |
5f1a63e0 | 1423 | |
9acc5911 | 1424 | current_parsing_scope = CONFIG_SCOPE_REPO; |
c72ee44b | 1425 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) |
aa387407 | 1426 | ret += git_config_from_file(fn, repo_config, data); |
8b1fa778 | 1427 | |
9acc5911 | 1428 | current_parsing_scope = CONFIG_SCOPE_CMDLINE; |
c72ee44b | 1429 | if (git_config_from_parameters(fn, data) < 0) |
8262aaa2 | 1430 | die(_("unable to parse command-line config")); |
8b1fa778 | 1431 | |
9acc5911 | 1432 | current_parsing_scope = CONFIG_SCOPE_UNKNOWN; |
21cf3227 HKNN |
1433 | free(xdg_config); |
1434 | free(user_config); | |
80181868 | 1435 | free(repo_config); |
c72ee44b | 1436 | return ret; |
4f629539 JH |
1437 | } |
1438 | ||
c9b5e2a5 | 1439 | int git_config_with_options(config_fn_t fn, void *data, |
c8985ce0 | 1440 | struct git_config_source *config_source, |
1bc88819 | 1441 | int respect_includes) |
dbdf5854 | 1442 | { |
9b25a0b5 JK |
1443 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1444 | ||
1445 | if (respect_includes) { | |
1446 | inc.fn = fn; | |
1447 | inc.data = data; | |
1448 | fn = git_config_include; | |
1449 | data = &inc; | |
1450 | } | |
dbdf5854 | 1451 | |
c9b5e2a5 JK |
1452 | /* |
1453 | * If we have a specific filename, use it. Otherwise, follow the | |
1454 | * regular lookup sequence. | |
1455 | */ | |
3caec73b KS |
1456 | if (config_source && config_source->use_stdin) |
1457 | return git_config_from_stdin(fn, data); | |
1458 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1459 | return git_config_from_file(fn, config_source->file, data); |
1460 | else if (config_source && config_source->blob) | |
1461 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1462 | |
80181868 | 1463 | return do_git_config_sequence(fn, data); |
dbdf5854 NTND |
1464 | } |
1465 | ||
155ef25f | 1466 | static void git_config_raw(config_fn_t fn, void *data) |
c9b5e2a5 | 1467 | { |
aace4385 TA |
1468 | if (git_config_with_options(fn, data, NULL, 1) < 0) |
1469 | /* | |
1470 | * git_config_with_options() normally returns only | |
c72ee44b | 1471 | * zero, as most errors are fatal, and |
aace4385 TA |
1472 | * non-fatal potential errors are guarded by "if" |
1473 | * statements that are entered only when no error is | |
1474 | * possible. | |
1475 | * | |
1476 | * If we ever encounter a non-fatal error, it means | |
1477 | * something went really wrong and we should stop | |
1478 | * immediately. | |
1479 | */ | |
3a39f61e | 1480 | die(_("unknown error occurred while reading the configuration files")); |
c9b5e2a5 JK |
1481 | } |
1482 | ||
155ef25f | 1483 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1484 | { |
155ef25f TA |
1485 | int i, value_index; |
1486 | struct string_list *values; | |
1487 | struct config_set_element *entry; | |
1488 | struct configset_list *list = &cs->list; | |
155ef25f TA |
1489 | |
1490 | for (i = 0; i < list->nr; i++) { | |
1491 | entry = list->items[i].e; | |
1492 | value_index = list->items[i].value_index; | |
1493 | values = &entry->value_list; | |
0d44a2da JK |
1494 | |
1495 | current_config_kvi = values->items[value_index].util; | |
1496 | ||
1497 | if (fn(entry->key, values->items[value_index].string, data) < 0) | |
1498 | git_die_config_linenr(entry->key, | |
1499 | current_config_kvi->filename, | |
1500 | current_config_kvi->linenr); | |
1501 | ||
1502 | current_config_kvi = NULL; | |
155ef25f TA |
1503 | } |
1504 | } | |
1505 | ||
0654aa57 JS |
1506 | void read_early_config(config_fn_t cb, void *data) |
1507 | { | |
1a27409a JS |
1508 | struct strbuf buf = STRBUF_INIT; |
1509 | ||
0654aa57 JS |
1510 | git_config_with_options(cb, data, NULL, 1); |
1511 | ||
1512 | /* | |
1a27409a JS |
1513 | * When setup_git_directory() was not yet asked to discover the |
1514 | * GIT_DIR, we ask discover_git_directory() to figure out whether there | |
1515 | * is any repository config we should use (but unlike | |
1516 | * setup_git_directory_gently(), no global state is changed, most | |
1517 | * notably, the current working directory is still the same after the | |
1518 | * call). | |
0654aa57 | 1519 | */ |
1a27409a | 1520 | if (!have_git_dir() && discover_git_directory(&buf)) { |
0654aa57 JS |
1521 | struct git_config_source repo_config; |
1522 | ||
1523 | memset(&repo_config, 0, sizeof(repo_config)); | |
1a27409a JS |
1524 | strbuf_addstr(&buf, "/config"); |
1525 | repo_config.file = buf.buf; | |
0654aa57 JS |
1526 | git_config_with_options(cb, data, &repo_config, 1); |
1527 | } | |
1a27409a | 1528 | strbuf_release(&buf); |
0654aa57 JS |
1529 | } |
1530 | ||
155ef25f TA |
1531 | static void git_config_check_init(void); |
1532 | ||
1533 | void git_config(config_fn_t fn, void *data) | |
1534 | { | |
1535 | git_config_check_init(); | |
1536 | configset_iter(&the_config_set, fn, data); | |
c9b5e2a5 JK |
1537 | } |
1538 | ||
3c8687a7 TA |
1539 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
1540 | { | |
1541 | struct config_set_element k; | |
1542 | struct config_set_element *found_entry; | |
1543 | char *normalized_key; | |
3c8687a7 TA |
1544 | /* |
1545 | * `key` may come from the user, so normalize it before using it | |
1546 | * for querying entries from the hashmap. | |
1547 | */ | |
270cd9ea | 1548 | if (git_config_parse_key(key, &normalized_key, NULL)) |
3c8687a7 TA |
1549 | return NULL; |
1550 | ||
1551 | hashmap_entry_init(&k, strhash(normalized_key)); | |
1552 | k.key = normalized_key; | |
1553 | found_entry = hashmap_get(&cs->config_hash, &k, NULL); | |
1554 | free(normalized_key); | |
1555 | return found_entry; | |
1556 | } | |
1557 | ||
1558 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
1559 | { | |
1560 | struct config_set_element *e; | |
3df8fd62 | 1561 | struct string_list_item *si; |
155ef25f | 1562 | struct configset_list_item *l_item; |
3df8fd62 TA |
1563 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
1564 | ||
3c8687a7 TA |
1565 | e = configset_find_element(cs, key); |
1566 | /* | |
1567 | * Since the keys are being fed by git_config*() callback mechanism, they | |
1568 | * are already normalized. So simply add them without any further munging. | |
1569 | */ | |
1570 | if (!e) { | |
1571 | e = xmalloc(sizeof(*e)); | |
1572 | hashmap_entry_init(e, strhash(key)); | |
1573 | e->key = xstrdup(key); | |
1574 | string_list_init(&e->value_list, 1); | |
1575 | hashmap_add(&cs->config_hash, e); | |
1576 | } | |
8c53f071 | 1577 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
1578 | |
1579 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
1580 | l_item = &cs->list.items[cs->list.nr++]; | |
1581 | l_item->e = e; | |
1582 | l_item->value_index = e->value_list.nr - 1; | |
1583 | ||
3258258f JK |
1584 | if (!cf) |
1585 | die("BUG: configset_add_value has no source"); | |
1586 | if (cf->name) { | |
3df8fd62 TA |
1587 | kv_info->filename = strintern(cf->name); |
1588 | kv_info->linenr = cf->linenr; | |
1b8132d9 | 1589 | kv_info->origin_type = cf->origin_type; |
3df8fd62 TA |
1590 | } else { |
1591 | /* for values read from `git_config_from_parameters()` */ | |
1592 | kv_info->filename = NULL; | |
1593 | kv_info->linenr = -1; | |
1b8132d9 | 1594 | kv_info->origin_type = CONFIG_ORIGIN_CMDLINE; |
3df8fd62 | 1595 | } |
9acc5911 | 1596 | kv_info->scope = current_parsing_scope; |
3df8fd62 | 1597 | si->util = kv_info; |
3c8687a7 TA |
1598 | |
1599 | return 0; | |
1600 | } | |
1601 | ||
1602 | static int config_set_element_cmp(const struct config_set_element *e1, | |
1603 | const struct config_set_element *e2, const void *unused) | |
1604 | { | |
1605 | return strcmp(e1->key, e2->key); | |
1606 | } | |
1607 | ||
1608 | void git_configset_init(struct config_set *cs) | |
1609 | { | |
1610 | hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 0); | |
1611 | cs->hash_initialized = 1; | |
155ef25f TA |
1612 | cs->list.nr = 0; |
1613 | cs->list.alloc = 0; | |
1614 | cs->list.items = NULL; | |
3c8687a7 TA |
1615 | } |
1616 | ||
1617 | void git_configset_clear(struct config_set *cs) | |
1618 | { | |
1619 | struct config_set_element *entry; | |
1620 | struct hashmap_iter iter; | |
1621 | if (!cs->hash_initialized) | |
1622 | return; | |
1623 | ||
1624 | hashmap_iter_init(&cs->config_hash, &iter); | |
1625 | while ((entry = hashmap_iter_next(&iter))) { | |
1626 | free(entry->key); | |
3df8fd62 | 1627 | string_list_clear(&entry->value_list, 1); |
3c8687a7 TA |
1628 | } |
1629 | hashmap_free(&cs->config_hash, 1); | |
1630 | cs->hash_initialized = 0; | |
155ef25f TA |
1631 | free(cs->list.items); |
1632 | cs->list.nr = 0; | |
1633 | cs->list.alloc = 0; | |
1634 | cs->list.items = NULL; | |
3c8687a7 TA |
1635 | } |
1636 | ||
1637 | static int config_set_callback(const char *key, const char *value, void *cb) | |
1638 | { | |
1639 | struct config_set *cs = cb; | |
1640 | configset_add_value(cs, key, value); | |
1641 | return 0; | |
1642 | } | |
1643 | ||
1644 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
1645 | { | |
1646 | return git_config_from_file(config_set_callback, filename, cs); | |
1647 | } | |
1648 | ||
1649 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
1650 | { | |
1651 | const struct string_list *values = NULL; | |
1652 | /* | |
1653 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
1654 | * queried key in the files of the configset, the value returned will be the last | |
1655 | * value in the value list for that key. | |
1656 | */ | |
1657 | values = git_configset_get_value_multi(cs, key); | |
1658 | ||
1659 | if (!values) | |
1660 | return 1; | |
1661 | assert(values->nr > 0); | |
1662 | *value = values->items[values->nr - 1].string; | |
1663 | return 0; | |
1664 | } | |
1665 | ||
1666 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
1667 | { | |
1668 | struct config_set_element *e = configset_find_element(cs, key); | |
1669 | return e ? &e->value_list : NULL; | |
1670 | } | |
1671 | ||
1672 | int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest) | |
1673 | { | |
1674 | const char *value; | |
1675 | if (!git_configset_get_value(cs, key, &value)) | |
1676 | return git_config_string(dest, key, value); | |
1677 | else | |
1678 | return 1; | |
1679 | } | |
1680 | ||
1681 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) | |
1682 | { | |
1683 | return git_configset_get_string_const(cs, key, (const char **)dest); | |
1684 | } | |
1685 | ||
1686 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
1687 | { | |
1688 | const char *value; | |
1689 | if (!git_configset_get_value(cs, key, &value)) { | |
1690 | *dest = git_config_int(key, value); | |
1691 | return 0; | |
1692 | } else | |
1693 | return 1; | |
1694 | } | |
1695 | ||
1696 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
1697 | { | |
1698 | const char *value; | |
1699 | if (!git_configset_get_value(cs, key, &value)) { | |
1700 | *dest = git_config_ulong(key, value); | |
1701 | return 0; | |
1702 | } else | |
1703 | return 1; | |
1704 | } | |
1705 | ||
1706 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
1707 | { | |
1708 | const char *value; | |
1709 | if (!git_configset_get_value(cs, key, &value)) { | |
1710 | *dest = git_config_bool(key, value); | |
1711 | return 0; | |
1712 | } else | |
1713 | return 1; | |
1714 | } | |
1715 | ||
1716 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
1717 | int *is_bool, int *dest) | |
1718 | { | |
1719 | const char *value; | |
1720 | if (!git_configset_get_value(cs, key, &value)) { | |
1721 | *dest = git_config_bool_or_int(key, value, is_bool); | |
1722 | return 0; | |
1723 | } else | |
1724 | return 1; | |
1725 | } | |
1726 | ||
1727 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
1728 | { | |
1729 | const char *value; | |
1730 | if (!git_configset_get_value(cs, key, &value)) { | |
1731 | *dest = git_config_maybe_bool(key, value); | |
1732 | if (*dest == -1) | |
1733 | return -1; | |
1734 | return 0; | |
1735 | } else | |
1736 | return 1; | |
1737 | } | |
1738 | ||
1739 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
1740 | { | |
1741 | const char *value; | |
1742 | if (!git_configset_get_value(cs, key, &value)) | |
1743 | return git_config_pathname(dest, key, value); | |
1744 | else | |
1745 | return 1; | |
1746 | } | |
1747 | ||
1748 | static void git_config_check_init(void) | |
1749 | { | |
1750 | if (the_config_set.hash_initialized) | |
1751 | return; | |
1752 | git_configset_init(&the_config_set); | |
155ef25f | 1753 | git_config_raw(config_set_callback, &the_config_set); |
3c8687a7 TA |
1754 | } |
1755 | ||
1756 | void git_config_clear(void) | |
1757 | { | |
1758 | if (!the_config_set.hash_initialized) | |
1759 | return; | |
1760 | git_configset_clear(&the_config_set); | |
1761 | } | |
1762 | ||
1763 | int git_config_get_value(const char *key, const char **value) | |
1764 | { | |
1765 | git_config_check_init(); | |
1766 | return git_configset_get_value(&the_config_set, key, value); | |
1767 | } | |
1768 | ||
1769 | const struct string_list *git_config_get_value_multi(const char *key) | |
1770 | { | |
1771 | git_config_check_init(); | |
1772 | return git_configset_get_value_multi(&the_config_set, key); | |
1773 | } | |
1774 | ||
1775 | int git_config_get_string_const(const char *key, const char **dest) | |
1776 | { | |
5a80e97c | 1777 | int ret; |
3c8687a7 | 1778 | git_config_check_init(); |
5a80e97c TA |
1779 | ret = git_configset_get_string_const(&the_config_set, key, dest); |
1780 | if (ret < 0) | |
1781 | git_die_config(key, NULL); | |
1782 | return ret; | |
3c8687a7 TA |
1783 | } |
1784 | ||
1785 | int git_config_get_string(const char *key, char **dest) | |
1786 | { | |
1787 | git_config_check_init(); | |
1788 | return git_config_get_string_const(key, (const char **)dest); | |
1789 | } | |
1790 | ||
1791 | int git_config_get_int(const char *key, int *dest) | |
1792 | { | |
1793 | git_config_check_init(); | |
1794 | return git_configset_get_int(&the_config_set, key, dest); | |
1795 | } | |
1796 | ||
1797 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
1798 | { | |
1799 | git_config_check_init(); | |
1800 | return git_configset_get_ulong(&the_config_set, key, dest); | |
1801 | } | |
1802 | ||
1803 | int git_config_get_bool(const char *key, int *dest) | |
1804 | { | |
1805 | git_config_check_init(); | |
1806 | return git_configset_get_bool(&the_config_set, key, dest); | |
1807 | } | |
1808 | ||
1809 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
1810 | { | |
1811 | git_config_check_init(); | |
1812 | return git_configset_get_bool_or_int(&the_config_set, key, is_bool, dest); | |
1813 | } | |
1814 | ||
1815 | int git_config_get_maybe_bool(const char *key, int *dest) | |
1816 | { | |
1817 | git_config_check_init(); | |
1818 | return git_configset_get_maybe_bool(&the_config_set, key, dest); | |
1819 | } | |
1820 | ||
1821 | int git_config_get_pathname(const char *key, const char **dest) | |
1822 | { | |
5a80e97c | 1823 | int ret; |
3c8687a7 | 1824 | git_config_check_init(); |
5a80e97c TA |
1825 | ret = git_configset_get_pathname(&the_config_set, key, dest); |
1826 | if (ret < 0) | |
1827 | git_die_config(key, NULL); | |
1828 | return ret; | |
1829 | } | |
1830 | ||
77d67977 CC |
1831 | int git_config_get_expiry(const char *key, const char **output) |
1832 | { | |
1833 | int ret = git_config_get_string_const(key, output); | |
1834 | if (ret) | |
1835 | return ret; | |
1836 | if (strcmp(*output, "now")) { | |
1837 | unsigned long now = approxidate("now"); | |
1838 | if (approxidate(*output) >= now) | |
1839 | git_die_config(key, _("Invalid %s: '%s'"), key, *output); | |
1840 | } | |
1841 | return ret; | |
1842 | } | |
1843 | ||
435ec090 CC |
1844 | int git_config_get_untracked_cache(void) |
1845 | { | |
1846 | int val = -1; | |
1847 | const char *v; | |
1848 | ||
dae6c322 CC |
1849 | /* Hack for test programs like test-dump-untracked-cache */ |
1850 | if (ignore_untracked_cache_config) | |
1851 | return -1; | |
1852 | ||
435ec090 CC |
1853 | if (!git_config_get_maybe_bool("core.untrackedcache", &val)) |
1854 | return val; | |
1855 | ||
1856 | if (!git_config_get_value("core.untrackedcache", &v)) { | |
1857 | if (!strcasecmp(v, "keep")) | |
1858 | return -1; | |
1859 | ||
f60ef2d6 CC |
1860 | error(_("unknown core.untrackedCache value '%s'; " |
1861 | "using 'keep' default value"), v); | |
435ec090 CC |
1862 | return -1; |
1863 | } | |
1864 | ||
1865 | return -1; /* default value */ | |
1866 | } | |
1867 | ||
1f44b09b CC |
1868 | int git_config_get_split_index(void) |
1869 | { | |
1870 | int val; | |
1871 | ||
1872 | if (!git_config_get_maybe_bool("core.splitindex", &val)) | |
1873 | return val; | |
1874 | ||
1875 | return -1; /* default value */ | |
1876 | } | |
1877 | ||
72dcb7b3 CC |
1878 | int git_config_get_max_percent_split_change(void) |
1879 | { | |
1880 | int val = -1; | |
1881 | ||
1882 | if (!git_config_get_int("splitindex.maxpercentchange", &val)) { | |
1883 | if (0 <= val && val <= 100) | |
1884 | return val; | |
1885 | ||
1886 | return error(_("splitIndex.maxPercentChange value '%d' " | |
1887 | "should be between 0 and 100"), val); | |
1888 | } | |
1889 | ||
1890 | return -1; /* default value */ | |
1891 | } | |
1892 | ||
5a80e97c TA |
1893 | NORETURN |
1894 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
1895 | { | |
1896 | if (!filename) | |
1897 | die(_("unable to parse '%s' from command-line config"), key); | |
1898 | else | |
1899 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
1900 | key, filename, linenr); | |
1901 | } | |
1902 | ||
1903 | NORETURN __attribute__((format(printf, 2, 3))) | |
1904 | void git_die_config(const char *key, const char *err, ...) | |
1905 | { | |
1906 | const struct string_list *values; | |
1907 | struct key_value_info *kv_info; | |
1908 | ||
1909 | if (err) { | |
1910 | va_list params; | |
1911 | va_start(params, err); | |
1912 | vreportf("error: ", err, params); | |
1913 | va_end(params); | |
1914 | } | |
1915 | values = git_config_get_value_multi(key); | |
1916 | kv_info = values->items[values->nr - 1].util; | |
1917 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
1918 | } |
1919 | ||
10bea152 JS |
1920 | /* |
1921 | * Find all the stuff for git_config_set() below. | |
1922 | */ | |
4ddba79d | 1923 | |
10bea152 JS |
1924 | static struct { |
1925 | int baselen; | |
4b25d091 | 1926 | char *key; |
f98d863d | 1927 | int do_not_match; |
4b25d091 | 1928 | regex_t *value_regex; |
4ddba79d | 1929 | int multi_replace; |
83786fa4 TR |
1930 | size_t *offset; |
1931 | unsigned int offset_alloc; | |
10bea152 JS |
1932 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
1933 | int seen; | |
1934 | } store; | |
1935 | ||
4b25d091 | 1936 | static int matches(const char *key, const char *value) |
f98d863d | 1937 | { |
c1063be2 JK |
1938 | if (strcmp(key, store.key)) |
1939 | return 0; /* not ours */ | |
1940 | if (!store.value_regex) | |
1941 | return 1; /* always matches */ | |
1942 | if (store.value_regex == CONFIG_REGEX_NONE) | |
1943 | return 0; /* never matches */ | |
1944 | ||
1945 | return store.do_not_match ^ | |
1946 | (value && !regexec(store.value_regex, value, 0, NULL, 0)); | |
f98d863d JS |
1947 | } |
1948 | ||
4b25d091 | 1949 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 1950 | { |
ae9ee41d JH |
1951 | const char *ep; |
1952 | size_t section_len; | |
1953 | ||
10bea152 JS |
1954 | switch (store.state) { |
1955 | case KEY_SEEN: | |
f98d863d | 1956 | if (matches(key, value)) { |
4ddba79d | 1957 | if (store.seen == 1 && store.multi_replace == 0) { |
8262aaa2 | 1958 | warning(_("%s has multiple values"), key); |
10bea152 | 1959 | } |
4ddba79d | 1960 | |
83786fa4 TR |
1961 | ALLOC_GROW(store.offset, store.seen + 1, |
1962 | store.offset_alloc); | |
1963 | ||
49d6cfa5 | 1964 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1965 | store.seen++; |
1966 | } | |
1967 | break; | |
1968 | case SECTION_SEEN: | |
ae9ee41d JH |
1969 | /* |
1970 | * What we are looking for is in store.key (both | |
1971 | * section and var), and its section part is baselen | |
1972 | * long. We found key (again, both section and var). | |
1973 | * We would want to know if this key is in the same | |
1974 | * section as what we are looking for. We already | |
1975 | * know we are in the same section as what should | |
1976 | * hold store.key. | |
1977 | */ | |
1978 | ep = strrchr(key, '.'); | |
1979 | section_len = ep - key; | |
1980 | ||
1981 | if ((section_len != store.baselen) || | |
1982 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
1983 | store.state = SECTION_END_SEEN; |
1984 | break; | |
ae9ee41d JH |
1985 | } |
1986 | ||
1987 | /* | |
1988 | * Do not increment matches: this is no match, but we | |
1989 | * just made sure we are in the desired section. | |
1990 | */ | |
83786fa4 TR |
1991 | ALLOC_GROW(store.offset, store.seen + 1, |
1992 | store.offset_alloc); | |
49d6cfa5 | 1993 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1994 | /* fallthru */ |
1995 | case SECTION_END_SEEN: | |
1996 | case START: | |
f98d863d | 1997 | if (matches(key, value)) { |
83786fa4 TR |
1998 | ALLOC_GROW(store.offset, store.seen + 1, |
1999 | store.offset_alloc); | |
49d6cfa5 | 2000 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
2001 | store.state = KEY_SEEN; |
2002 | store.seen++; | |
d14f7764 LT |
2003 | } else { |
2004 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 2005 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 2006 | store.state = SECTION_SEEN; |
83786fa4 TR |
2007 | ALLOC_GROW(store.offset, |
2008 | store.seen + 1, | |
2009 | store.offset_alloc); | |
49d6cfa5 | 2010 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 2011 | } |
bdf0ef08 | 2012 | } |
10bea152 JS |
2013 | } |
2014 | return 0; | |
2015 | } | |
2016 | ||
64c0d71c | 2017 | static int write_error(const char *filename) |
480c9e52 | 2018 | { |
64c0d71c | 2019 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
2020 | |
2021 | /* Same error code as "failed to rename". */ | |
2022 | return 4; | |
2023 | } | |
2024 | ||
4b25d091 | 2025 | static int store_write_section(int fd, const char *key) |
10bea152 | 2026 | { |
cb891a59 KH |
2027 | const char *dot; |
2028 | int i, success; | |
f285a2d7 | 2029 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 2030 | |
cb891a59 | 2031 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 2032 | if (dot) { |
cb891a59 KH |
2033 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
2034 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 2035 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
2036 | strbuf_addch(&sb, '\\'); |
2037 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 2038 | } |
cb891a59 KH |
2039 | strbuf_addstr(&sb, "\"]\n"); |
2040 | } else { | |
2041 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
2042 | } |
2043 | ||
cb891a59 KH |
2044 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
2045 | strbuf_release(&sb); | |
480c9e52 | 2046 | |
cb891a59 | 2047 | return success; |
10bea152 JS |
2048 | } |
2049 | ||
4b25d091 | 2050 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 2051 | { |
cb891a59 KH |
2052 | int i, success; |
2053 | int length = strlen(key + store.baselen + 1); | |
2054 | const char *quote = ""; | |
f285a2d7 | 2055 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 2056 | |
6281f394 JM |
2057 | /* |
2058 | * Check to see if the value needs to be surrounded with a dq pair. | |
2059 | * Note that problematic characters are always backslash-quoted; this | |
2060 | * check is about not losing leading or trailing SP and strings that | |
2061 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
2062 | * configuration parser. | |
2063 | */ | |
cdd4fb15 | 2064 | if (value[0] == ' ') |
cb891a59 | 2065 | quote = "\""; |
cdd4fb15 BG |
2066 | for (i = 0; value[i]; i++) |
2067 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
2068 | quote = "\""; |
2069 | if (i && value[i - 1] == ' ') | |
2070 | quote = "\""; | |
2071 | ||
cb891a59 KH |
2072 | strbuf_addf(&sb, "\t%.*s = %s", |
2073 | length, key + store.baselen + 1, quote); | |
10bea152 | 2074 | |
10bea152 JS |
2075 | for (i = 0; value[i]; i++) |
2076 | switch (value[i]) { | |
480c9e52 | 2077 | case '\n': |
cb891a59 | 2078 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
2079 | break; |
2080 | case '\t': | |
cb891a59 | 2081 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
2082 | break; |
2083 | case '"': | |
2084 | case '\\': | |
cb891a59 | 2085 | strbuf_addch(&sb, '\\'); |
480c9e52 | 2086 | default: |
cb891a59 | 2087 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
2088 | break; |
2089 | } | |
cb891a59 KH |
2090 | strbuf_addf(&sb, "%s\n", quote); |
2091 | ||
2092 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
2093 | strbuf_release(&sb); | |
2094 | ||
2095 | return success; | |
10bea152 JS |
2096 | } |
2097 | ||
4b25d091 FC |
2098 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
2099 | size_t offset_, int *found_bracket) | |
4ddba79d | 2100 | { |
dc49cd76 SP |
2101 | size_t equal_offset = size, bracket_offset = size; |
2102 | ssize_t offset; | |
4ddba79d | 2103 | |
7a31cc0f | 2104 | contline: |
a6080a0a | 2105 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
2106 | && contents[offset] != '\n'; offset--) |
2107 | switch (contents[offset]) { | |
2108 | case '=': equal_offset = offset; break; | |
2109 | case ']': bracket_offset = offset; break; | |
2110 | } | |
7a31cc0f FL |
2111 | if (offset > 0 && contents[offset-1] == '\\') { |
2112 | offset_ = offset; | |
2113 | goto contline; | |
2114 | } | |
4ddba79d JS |
2115 | if (bracket_offset < equal_offset) { |
2116 | *found_bracket = 1; | |
2117 | offset = bracket_offset+1; | |
2118 | } else | |
2119 | offset++; | |
2120 | ||
2121 | return offset; | |
2122 | } | |
2123 | ||
30598ad0 PS |
2124 | int git_config_set_in_file_gently(const char *config_filename, |
2125 | const char *key, const char *value) | |
5ec31182 | 2126 | { |
30598ad0 | 2127 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
2128 | } |
2129 | ||
3d180648 PS |
2130 | void git_config_set_in_file(const char *config_filename, |
2131 | const char *key, const char *value) | |
10bea152 | 2132 | { |
3d180648 | 2133 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
2134 | } |
2135 | ||
30598ad0 | 2136 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 2137 | { |
30598ad0 | 2138 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
2139 | } |
2140 | ||
3d180648 | 2141 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 2142 | { |
3d180648 | 2143 | git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
2144 | } |
2145 | ||
2146 | /* | |
2147 | * If value==NULL, unset in (remove from) config, | |
2148 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
c1063be2 JK |
2149 | * if value_regex==CONFIG_REGEX_NONE, do not match any existing values |
2150 | * (only add a new one) | |
4ddba79d JS |
2151 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
2152 | * else all matching key/values (regardless how many) are removed, | |
2153 | * before the new pair is written. | |
10bea152 JS |
2154 | * |
2155 | * Returns 0 on success. | |
2156 | * | |
2157 | * This function does this: | |
2158 | * | |
2159 | * - it locks the config file by creating ".git/config.lock" | |
2160 | * | |
2161 | * - it then parses the config using store_aux() as validator to find | |
2162 | * the position on the key/value pair to replace. If it is to be unset, | |
2163 | * it must be found exactly once. | |
2164 | * | |
2165 | * - the config file is mmap()ed and the part before the match (if any) is | |
2166 | * written to the lock file, then the changed part and the rest. | |
2167 | * | |
2168 | * - the config file is removed and the lock file rename()d to it. | |
2169 | * | |
2170 | */ | |
30598ad0 PS |
2171 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
2172 | const char *key, const char *value, | |
2173 | const char *value_regex, | |
2174 | int multi_replace) | |
10bea152 | 2175 | { |
54d160ec | 2176 | int fd = -1, in_fd = -1; |
dafc88b1 | 2177 | int ret; |
6cbf973c | 2178 | struct lock_file *lock = NULL; |
0a5f5759 | 2179 | char *filename_buf = NULL; |
3a1b3126 JK |
2180 | char *contents = NULL; |
2181 | size_t contents_sz; | |
4ddba79d | 2182 | |
b09c53a3 LP |
2183 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
2184 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
2185 | if (ret) | |
dafc88b1 | 2186 | goto out_free; |
b17e659d JS |
2187 | |
2188 | store.multi_replace = multi_replace; | |
10bea152 | 2189 | |
0a5f5759 JK |
2190 | if (!config_filename) |
2191 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
2192 | |
2193 | /* | |
6cbf973c | 2194 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
2195 | * contents of .git/config will be written into it. |
2196 | */ | |
f1064f6b | 2197 | lock = xcalloc(1, sizeof(struct lock_file)); |
6cbf973c BS |
2198 | fd = hold_lock_file_for_update(lock, config_filename, 0); |
2199 | if (fd < 0) { | |
f0658ec9 | 2200 | error_errno("could not lock config file %s", config_filename); |
10bea152 | 2201 | free(store.key); |
7a397419 | 2202 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 2203 | goto out_free; |
10bea152 JS |
2204 | } |
2205 | ||
2206 | /* | |
2207 | * If .git/config does not exist yet, write a minimal version. | |
2208 | */ | |
88fb958b AR |
2209 | in_fd = open(config_filename, O_RDONLY); |
2210 | if ( in_fd < 0 ) { | |
10bea152 JS |
2211 | free(store.key); |
2212 | ||
88fb958b | 2213 | if ( ENOENT != errno ) { |
f0658ec9 | 2214 | error_errno("opening %s", config_filename); |
7a397419 | 2215 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 2216 | goto out_free; |
88fb958b | 2217 | } |
10bea152 JS |
2218 | /* if nothing to unset, error out */ |
2219 | if (value == NULL) { | |
7a397419 | 2220 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2221 | goto out_free; |
10bea152 JS |
2222 | } |
2223 | ||
4b25d091 | 2224 | store.key = (char *)key; |
480c9e52 | 2225 | if (!store_write_section(fd, key) || |
93c1e079 JH |
2226 | !store_write_pair(fd, key, value)) |
2227 | goto write_err_out; | |
2228 | } else { | |
88fb958b | 2229 | struct stat st; |
3a1b3126 | 2230 | size_t copy_begin, copy_end; |
dc49cd76 | 2231 | int i, new_line = 0; |
10bea152 JS |
2232 | |
2233 | if (value_regex == NULL) | |
2234 | store.value_regex = NULL; | |
c1063be2 JK |
2235 | else if (value_regex == CONFIG_REGEX_NONE) |
2236 | store.value_regex = CONFIG_REGEX_NONE; | |
10bea152 | 2237 | else { |
f98d863d JS |
2238 | if (value_regex[0] == '!') { |
2239 | store.do_not_match = 1; | |
2240 | value_regex++; | |
2241 | } else | |
2242 | store.do_not_match = 0; | |
2243 | ||
2d7320d0 | 2244 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
2245 | if (regcomp(store.value_regex, value_regex, |
2246 | REG_EXTENDED)) { | |
64c0d71c | 2247 | error("invalid pattern: %s", value_regex); |
10bea152 | 2248 | free(store.value_regex); |
7a397419 | 2249 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2250 | goto out_free; |
10bea152 JS |
2251 | } |
2252 | } | |
2253 | ||
83786fa4 | 2254 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 2255 | store.offset[0] = 0; |
10bea152 JS |
2256 | store.state = START; |
2257 | store.seen = 0; | |
2258 | ||
2259 | /* | |
2260 | * After this, store.offset will contain the *end* offset | |
2261 | * of the last match, or remain at 0 if no match was found. | |
2262 | * As a side effect, we make sure to transform only a valid | |
2263 | * existing config file. | |
2264 | */ | |
ef90d6d4 | 2265 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 2266 | error("invalid config file %s", config_filename); |
10bea152 | 2267 | free(store.key); |
c1063be2 JK |
2268 | if (store.value_regex != NULL && |
2269 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2270 | regfree(store.value_regex); |
2271 | free(store.value_regex); | |
2272 | } | |
7a397419 | 2273 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 2274 | goto out_free; |
10bea152 JS |
2275 | } |
2276 | ||
2277 | free(store.key); | |
c1063be2 JK |
2278 | if (store.value_regex != NULL && |
2279 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2280 | regfree(store.value_regex); |
2281 | free(store.value_regex); | |
2282 | } | |
2283 | ||
4ddba79d JS |
2284 | /* if nothing to unset, or too many matches, error out */ |
2285 | if ((store.seen == 0 && value == NULL) || | |
2286 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 2287 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2288 | goto out_free; |
10bea152 JS |
2289 | } |
2290 | ||
29647d79 NTND |
2291 | if (fstat(in_fd, &st) == -1) { |
2292 | error_errno(_("fstat on %s failed"), config_filename); | |
2293 | ret = CONFIG_INVALID_FILE; | |
2294 | goto out_free; | |
2295 | } | |
2296 | ||
dc49cd76 | 2297 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
2298 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
2299 | MAP_PRIVATE, in_fd, 0); | |
2300 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
2301 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
2302 | errno = EISDIR; | |
f0658ec9 | 2303 | error_errno("unable to mmap '%s'", config_filename); |
1570856b JK |
2304 | ret = CONFIG_INVALID_FILE; |
2305 | contents = NULL; | |
2306 | goto out_free; | |
2307 | } | |
10bea152 | 2308 | close(in_fd); |
54d160ec | 2309 | in_fd = -1; |
10bea152 | 2310 | |
b4fb09e4 | 2311 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 | 2312 | error_errno("chmod on %s failed", get_lock_file_path(lock)); |
daa22c6f EW |
2313 | ret = CONFIG_NO_WRITE; |
2314 | goto out_free; | |
2315 | } | |
2316 | ||
4ddba79d JS |
2317 | if (store.seen == 0) |
2318 | store.seen = 1; | |
2319 | ||
2320 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
2321 | if (store.offset[i] == 0) { | |
dc49cd76 | 2322 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
2323 | } else if (store.state != KEY_SEEN) { |
2324 | copy_end = store.offset[i]; | |
10bea152 | 2325 | } else |
4ddba79d | 2326 | copy_end = find_beginning_of_line( |
dc49cd76 | 2327 | contents, contents_sz, |
4ddba79d JS |
2328 | store.offset[i]-2, &new_line); |
2329 | ||
02e5ba4a JK |
2330 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
2331 | new_line = 1; | |
2332 | ||
4ddba79d JS |
2333 | /* write the first part of the config */ |
2334 | if (copy_end > copy_begin) { | |
93c1e079 JH |
2335 | if (write_in_full(fd, contents + copy_begin, |
2336 | copy_end - copy_begin) < | |
2337 | copy_end - copy_begin) | |
2338 | goto write_err_out; | |
2339 | if (new_line && | |
2b7ca830 | 2340 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 2341 | goto write_err_out; |
4ddba79d JS |
2342 | } |
2343 | copy_begin = store.offset[i]; | |
10bea152 JS |
2344 | } |
2345 | ||
10bea152 JS |
2346 | /* write the pair (value == NULL means unset) */ |
2347 | if (value != NULL) { | |
93c1e079 JH |
2348 | if (store.state == START) { |
2349 | if (!store_write_section(fd, key)) | |
2350 | goto write_err_out; | |
480c9e52 | 2351 | } |
93c1e079 JH |
2352 | if (!store_write_pair(fd, key, value)) |
2353 | goto write_err_out; | |
10bea152 JS |
2354 | } |
2355 | ||
2356 | /* write the rest of the config */ | |
dc49cd76 | 2357 | if (copy_begin < contents_sz) |
93c1e079 | 2358 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
2359 | contents_sz - copy_begin) < |
2360 | contents_sz - copy_begin) | |
93c1e079 | 2361 | goto write_err_out; |
7a64592c KB |
2362 | |
2363 | munmap(contents, contents_sz); | |
2364 | contents = NULL; | |
10bea152 JS |
2365 | } |
2366 | ||
4ed7cd3a | 2367 | if (commit_lock_file(lock) < 0) { |
f0658ec9 | 2368 | error_errno("could not write config file %s", config_filename); |
7a397419 | 2369 | ret = CONFIG_NO_WRITE; |
e831855e | 2370 | lock = NULL; |
dafc88b1 | 2371 | goto out_free; |
10bea152 JS |
2372 | } |
2373 | ||
6cbf973c BS |
2374 | /* |
2375 | * lock is committed, so don't try to roll it back below. | |
2376 | * NOTE: Since lockfile.c keeps a linked list of all created | |
2377 | * lock_file structures, it isn't safe to free(lock). It's | |
2378 | * better to just leave it hanging around. | |
2379 | */ | |
2380 | lock = NULL; | |
dafc88b1 SH |
2381 | ret = 0; |
2382 | ||
3c8687a7 TA |
2383 | /* Invalidate the config cache */ |
2384 | git_config_clear(); | |
2385 | ||
dafc88b1 | 2386 | out_free: |
6cbf973c BS |
2387 | if (lock) |
2388 | rollback_lock_file(lock); | |
0a5f5759 | 2389 | free(filename_buf); |
3a1b3126 JK |
2390 | if (contents) |
2391 | munmap(contents, contents_sz); | |
54d160ec SS |
2392 | if (in_fd >= 0) |
2393 | close(in_fd); | |
dafc88b1 | 2394 | return ret; |
93c1e079 JH |
2395 | |
2396 | write_err_out: | |
b4fb09e4 | 2397 | ret = write_error(get_lock_file_path(lock)); |
93c1e079 JH |
2398 | goto out_free; |
2399 | ||
10bea152 JS |
2400 | } |
2401 | ||
3d180648 PS |
2402 | void git_config_set_multivar_in_file(const char *config_filename, |
2403 | const char *key, const char *value, | |
2404 | const char *value_regex, int multi_replace) | |
b4c8aba6 | 2405 | { |
1cae428e JK |
2406 | if (!git_config_set_multivar_in_file_gently(config_filename, key, value, |
2407 | value_regex, multi_replace)) | |
2408 | return; | |
2409 | if (value) | |
8c3ca351 | 2410 | die(_("could not set '%s' to '%s'"), key, value); |
1cae428e JK |
2411 | else |
2412 | die(_("could not unset '%s'"), key); | |
b4c8aba6 PS |
2413 | } |
2414 | ||
30598ad0 PS |
2415 | int git_config_set_multivar_gently(const char *key, const char *value, |
2416 | const char *value_regex, int multi_replace) | |
5ec31182 | 2417 | { |
30598ad0 PS |
2418 | return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex, |
2419 | multi_replace); | |
5ec31182 RR |
2420 | } |
2421 | ||
3d180648 PS |
2422 | void git_config_set_multivar(const char *key, const char *value, |
2423 | const char *value_regex, int multi_replace) | |
5ec31182 | 2424 | { |
3d180648 PS |
2425 | git_config_set_multivar_in_file(NULL, key, value, value_regex, |
2426 | multi_replace); | |
5ec31182 RR |
2427 | } |
2428 | ||
118f8b24 PB |
2429 | static int section_name_match (const char *buf, const char *name) |
2430 | { | |
2431 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
2432 | if (buf[i] != '[') |
2433 | return 0; | |
2434 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
2435 | if (!dot && isspace(buf[i])) { |
2436 | dot = 1; | |
2437 | if (name[j++] != '.') | |
2438 | break; | |
2439 | for (i++; isspace(buf[i]); i++) | |
2440 | ; /* do nothing */ | |
2441 | if (buf[i] != '"') | |
2442 | break; | |
2443 | continue; | |
2444 | } | |
2445 | if (buf[i] == '\\' && dot) | |
2446 | i++; | |
2447 | else if (buf[i] == '"' && dot) { | |
2448 | for (i++; isspace(buf[i]); i++) | |
2449 | ; /* do_nothing */ | |
2450 | break; | |
2451 | } | |
2452 | if (buf[i] != name[j++]) | |
2453 | break; | |
2454 | } | |
a4c0d463 AV |
2455 | if (buf[i] == ']' && name[j] == 0) { |
2456 | /* | |
2457 | * We match, now just find the right length offset by | |
2458 | * gobbling up any whitespace after it, as well | |
2459 | */ | |
2460 | i++; | |
2461 | for (; buf[i] && isspace(buf[i]); i++) | |
2462 | ; /* do nothing */ | |
2463 | return i; | |
2464 | } | |
2465 | return 0; | |
118f8b24 PB |
2466 | } |
2467 | ||
94a35b1a JK |
2468 | static int section_name_is_ok(const char *name) |
2469 | { | |
2470 | /* Empty section names are bogus. */ | |
2471 | if (!*name) | |
2472 | return 0; | |
2473 | ||
2474 | /* | |
2475 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
2476 | * anything goes, so we can stop checking. | |
2477 | */ | |
2478 | for (; *name && *name != '.'; name++) | |
2479 | if (*name != '-' && !isalnum(*name)) | |
2480 | return 0; | |
2481 | return 1; | |
2482 | } | |
2483 | ||
118f8b24 | 2484 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
2485 | int git_config_rename_section_in_file(const char *config_filename, |
2486 | const char *old_name, const char *new_name) | |
0667fcfb | 2487 | { |
118f8b24 | 2488 | int ret = 0, remove = 0; |
42bd39b5 | 2489 | char *filename_buf = NULL; |
94a35b1a | 2490 | struct lock_file *lock; |
0667fcfb JS |
2491 | int out_fd; |
2492 | char buf[1024]; | |
924aaf3e | 2493 | FILE *config_file; |
daa22c6f | 2494 | struct stat st; |
0667fcfb | 2495 | |
94a35b1a JK |
2496 | if (new_name && !section_name_is_ok(new_name)) { |
2497 | ret = error("invalid section name: %s", new_name); | |
c06fa62d | 2498 | goto out_no_rollback; |
94a35b1a JK |
2499 | } |
2500 | ||
42bd39b5 JK |
2501 | if (!config_filename) |
2502 | config_filename = filename_buf = git_pathdup("config"); | |
2503 | ||
f1064f6b | 2504 | lock = xcalloc(1, sizeof(struct lock_file)); |
0667fcfb | 2505 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 2506 | if (out_fd < 0) { |
64c0d71c | 2507 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
2508 | goto out; |
2509 | } | |
0667fcfb | 2510 | |
fc1905bb | 2511 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc | 2512 | /* no config file means nothing to rename, no error */ |
6e45b43f | 2513 | goto commit_and_out; |
fc1905bb | 2514 | } |
0667fcfb | 2515 | |
29647d79 NTND |
2516 | if (fstat(fileno(config_file), &st) == -1) { |
2517 | ret = error_errno(_("fstat on %s failed"), config_filename); | |
2518 | goto out; | |
2519 | } | |
daa22c6f | 2520 | |
b4fb09e4 | 2521 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
f0658ec9 NTND |
2522 | ret = error_errno("chmod on %s failed", |
2523 | get_lock_file_path(lock)); | |
daa22c6f EW |
2524 | goto out; |
2525 | } | |
2526 | ||
0667fcfb JS |
2527 | while (fgets(buf, sizeof(buf), config_file)) { |
2528 | int i; | |
480c9e52 | 2529 | int length; |
9a5abfc7 | 2530 | char *output = buf; |
0667fcfb JS |
2531 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
2532 | ; /* do nothing */ | |
2533 | if (buf[i] == '[') { | |
2534 | /* it's a section */ | |
a4c0d463 AV |
2535 | int offset = section_name_match(&buf[i], old_name); |
2536 | if (offset > 0) { | |
118f8b24 PB |
2537 | ret++; |
2538 | if (new_name == NULL) { | |
2539 | remove = 1; | |
0667fcfb JS |
2540 | continue; |
2541 | } | |
0667fcfb | 2542 | store.baselen = strlen(new_name); |
480c9e52 | 2543 | if (!store_write_section(out_fd, new_name)) { |
b4fb09e4 | 2544 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2545 | goto out; |
2546 | } | |
9a5abfc7 AV |
2547 | /* |
2548 | * We wrote out the new section, with | |
2549 | * a newline, now skip the old | |
2550 | * section's length | |
2551 | */ | |
2552 | output += offset + i; | |
2553 | if (strlen(output) > 0) { | |
2554 | /* | |
2555 | * More content means there's | |
2556 | * a declaration to put on the | |
2557 | * next line; indent with a | |
2558 | * tab | |
2559 | */ | |
2560 | output -= 1; | |
2561 | output[0] = '\t'; | |
2562 | } | |
0667fcfb | 2563 | } |
118f8b24 | 2564 | remove = 0; |
0667fcfb | 2565 | } |
118f8b24 PB |
2566 | if (remove) |
2567 | continue; | |
9a5abfc7 AV |
2568 | length = strlen(output); |
2569 | if (write_in_full(out_fd, output, length) != length) { | |
b4fb09e4 | 2570 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2571 | goto out; |
2572 | } | |
0667fcfb | 2573 | } |
fc1905bb | 2574 | fclose(config_file); |
6e45b43f | 2575 | commit_and_out: |
4ed7cd3a | 2576 | if (commit_lock_file(lock) < 0) |
f0658ec9 NTND |
2577 | ret = error_errno("could not write config file %s", |
2578 | config_filename); | |
8b590075 | 2579 | out: |
c06fa62d NTND |
2580 | rollback_lock_file(lock); |
2581 | out_no_rollback: | |
42bd39b5 | 2582 | free(filename_buf); |
0667fcfb JS |
2583 | return ret; |
2584 | } | |
40ea4ed9 | 2585 | |
42bd39b5 JK |
2586 | int git_config_rename_section(const char *old_name, const char *new_name) |
2587 | { | |
4a7bb5ba | 2588 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
2589 | } |
2590 | ||
40ea4ed9 JH |
2591 | /* |
2592 | * Call this to report error for your variable that should not | |
2593 | * get a boolean value (i.e. "[my] var" means "true"). | |
2594 | */ | |
a469a101 | 2595 | #undef config_error_nonbool |
40ea4ed9 JH |
2596 | int config_error_nonbool(const char *var) |
2597 | { | |
8c3ca351 | 2598 | return error("missing value for '%s'", var); |
40ea4ed9 | 2599 | } |
1b86bbb0 JK |
2600 | |
2601 | int parse_config_key(const char *var, | |
2602 | const char *section, | |
2603 | const char **subsection, int *subsection_len, | |
2604 | const char **key) | |
2605 | { | |
1b86bbb0 JK |
2606 | const char *dot; |
2607 | ||
2608 | /* Does it start with "section." ? */ | |
e3394fdc | 2609 | if (!skip_prefix(var, section, &var) || *var != '.') |
1b86bbb0 JK |
2610 | return -1; |
2611 | ||
2612 | /* | |
2613 | * Find the key; we don't know yet if we have a subsection, but we must | |
2614 | * parse backwards from the end, since the subsection may have dots in | |
2615 | * it, too. | |
2616 | */ | |
2617 | dot = strrchr(var, '.'); | |
2618 | *key = dot + 1; | |
2619 | ||
2620 | /* Did we have a subsection at all? */ | |
e3394fdc | 2621 | if (dot == var) { |
48f8d9f7 JK |
2622 | if (subsection) { |
2623 | *subsection = NULL; | |
2624 | *subsection_len = 0; | |
2625 | } | |
1b86bbb0 JK |
2626 | } |
2627 | else { | |
48f8d9f7 JK |
2628 | if (!subsection) |
2629 | return -1; | |
e3394fdc | 2630 | *subsection = var + 1; |
1b86bbb0 JK |
2631 | *subsection_len = dot - *subsection; |
2632 | } | |
2633 | ||
2634 | return 0; | |
2635 | } | |
473166b9 LS |
2636 | |
2637 | const char *current_config_origin_type(void) | |
2638 | { | |
1b8132d9 | 2639 | int type; |
0d44a2da JK |
2640 | if (current_config_kvi) |
2641 | type = current_config_kvi->origin_type; | |
2642 | else if(cf) | |
2643 | type = cf->origin_type; | |
2644 | else | |
3258258f | 2645 | die("BUG: current_config_origin_type called outside config callback"); |
1b8132d9 VA |
2646 | |
2647 | switch (type) { | |
2648 | case CONFIG_ORIGIN_BLOB: | |
2649 | return "blob"; | |
2650 | case CONFIG_ORIGIN_FILE: | |
2651 | return "file"; | |
2652 | case CONFIG_ORIGIN_STDIN: | |
2653 | return "standard input"; | |
2654 | case CONFIG_ORIGIN_SUBMODULE_BLOB: | |
2655 | return "submodule-blob"; | |
2656 | case CONFIG_ORIGIN_CMDLINE: | |
2657 | return "command line"; | |
2658 | default: | |
2659 | die("BUG: unknown config origin type"); | |
2660 | } | |
473166b9 LS |
2661 | } |
2662 | ||
2663 | const char *current_config_name(void) | |
2664 | { | |
0d44a2da JK |
2665 | const char *name; |
2666 | if (current_config_kvi) | |
2667 | name = current_config_kvi->filename; | |
2668 | else if (cf) | |
2669 | name = cf->name; | |
2670 | else | |
3258258f | 2671 | die("BUG: current_config_name called outside config callback"); |
0d44a2da | 2672 | return name ? name : ""; |
473166b9 | 2673 | } |
9acc5911 JK |
2674 | |
2675 | enum config_scope current_config_scope(void) | |
2676 | { | |
2677 | if (current_config_kvi) | |
2678 | return current_config_kvi->scope; | |
2679 | else | |
2680 | return current_parsing_scope; | |
473166b9 | 2681 | } |