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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; |
473166b9 | 27 | const char *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 | ||
41 | static struct config_source *cf; | |
924aaf3e | 42 | |
960ccca6 DH |
43 | static int zlib_compression_seen; |
44 | ||
3c8687a7 TA |
45 | /* |
46 | * Default config_set that contains key-value pairs from the usual set of config | |
47 | * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG | |
48 | * config file and the global /etc/gitconfig) | |
49 | */ | |
50 | static struct config_set the_config_set; | |
51 | ||
4d8dd149 HV |
52 | static int config_file_fgetc(struct config_source *conf) |
53 | { | |
260d408e | 54 | return getc_unlocked(conf->u.file); |
4d8dd149 HV |
55 | } |
56 | ||
57 | static int config_file_ungetc(int c, struct config_source *conf) | |
58 | { | |
59 | return ungetc(c, conf->u.file); | |
60 | } | |
61 | ||
62 | static long config_file_ftell(struct config_source *conf) | |
63 | { | |
64 | return ftell(conf->u.file); | |
65 | } | |
66 | ||
1bc88819 HV |
67 | |
68 | static int config_buf_fgetc(struct config_source *conf) | |
69 | { | |
70 | if (conf->u.buf.pos < conf->u.buf.len) | |
71 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
72 | ||
73 | return EOF; | |
74 | } | |
75 | ||
76 | static int config_buf_ungetc(int c, struct config_source *conf) | |
77 | { | |
1d0655c1 JK |
78 | if (conf->u.buf.pos > 0) { |
79 | conf->u.buf.pos--; | |
80 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
81 | die("BUG: config_buf can only ungetc the same character"); | |
82 | return c; | |
83 | } | |
1bc88819 HV |
84 | |
85 | return EOF; | |
86 | } | |
87 | ||
88 | static long config_buf_ftell(struct config_source *conf) | |
89 | { | |
90 | return conf->u.buf.pos; | |
91 | } | |
92 | ||
9b25a0b5 JK |
93 | #define MAX_INCLUDE_DEPTH 10 |
94 | static const char include_depth_advice[] = | |
95 | "exceeded maximum include depth (%d) while including\n" | |
96 | " %s\n" | |
97 | "from\n" | |
98 | " %s\n" | |
99 | "Do you have circular includes?"; | |
100 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
101 | { | |
102 | int ret = 0; | |
103 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 104 | char *expanded; |
4c0a89fc | 105 | |
67beb600 JK |
106 | if (!path) |
107 | return config_error_nonbool("include.path"); | |
108 | ||
109 | expanded = expand_user_path(path); | |
4c0a89fc JK |
110 | if (!expanded) |
111 | return error("Could not expand include path '%s'", path); | |
112 | path = expanded; | |
9b25a0b5 JK |
113 | |
114 | /* | |
115 | * Use an absolute path as-is, but interpret relative paths | |
116 | * based on the including config file. | |
117 | */ | |
118 | if (!is_absolute_path(path)) { | |
119 | char *slash; | |
120 | ||
d14d4244 | 121 | if (!cf || !cf->path) |
9b25a0b5 JK |
122 | return error("relative config includes must come from files"); |
123 | ||
d14d4244 | 124 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 125 | if (slash) |
d14d4244 | 126 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
127 | strbuf_addstr(&buf, path); |
128 | path = buf.buf; | |
129 | } | |
130 | ||
4698c8fe | 131 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
132 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
133 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
134 | cf && cf->name ? cf->name : "the command line"); | |
135 | ret = git_config_from_file(git_config_include, path, inc); | |
136 | inc->depth--; | |
137 | } | |
138 | strbuf_release(&buf); | |
4c0a89fc | 139 | free(expanded); |
9b25a0b5 JK |
140 | return ret; |
141 | } | |
142 | ||
143 | int git_config_include(const char *var, const char *value, void *data) | |
144 | { | |
145 | struct config_include_data *inc = data; | |
9b25a0b5 JK |
146 | int ret; |
147 | ||
148 | /* | |
149 | * Pass along all values, including "include" directives; this makes it | |
150 | * possible to query information on the includes themselves. | |
151 | */ | |
152 | ret = inc->fn(var, value, inc->data); | |
153 | if (ret < 0) | |
154 | return ret; | |
155 | ||
37007c3a | 156 | if (!strcmp(var, "include.path")) |
9b25a0b5 JK |
157 | ret = handle_path_include(value, inc); |
158 | return ret; | |
159 | } | |
160 | ||
2b64fc89 JK |
161 | void git_config_push_parameter(const char *text) |
162 | { | |
163 | struct strbuf env = STRBUF_INIT; | |
164 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
165 | if (old) { | |
166 | strbuf_addstr(&env, old); | |
167 | strbuf_addch(&env, ' '); | |
168 | } | |
169 | sq_quote_buf(&env, text); | |
170 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
171 | strbuf_release(&env); | |
172 | } | |
173 | ||
2496844b JK |
174 | int git_config_parse_parameter(const char *text, |
175 | config_fn_t fn, void *data) | |
8b1fa778 | 176 | { |
a789ca70 | 177 | const char *value; |
572e4f6a | 178 | struct strbuf **pair; |
a789ca70 | 179 | |
f77bccae | 180 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
181 | if (!pair[0]) |
182 | return error("bogus config parameter: %s", text); | |
a789ca70 JH |
183 | |
184 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 185 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
186 | value = pair[1] ? pair[1]->buf : ""; |
187 | } else { | |
188 | value = NULL; | |
189 | } | |
190 | ||
572e4f6a AR |
191 | strbuf_trim(pair[0]); |
192 | if (!pair[0]->len) { | |
193 | strbuf_list_free(pair); | |
06eb708f | 194 | return error("bogus config parameter: %s", text); |
8b1fa778 | 195 | } |
ffb20ce1 | 196 | strbuf_tolower(pair[0]); |
a789ca70 | 197 | if (fn(pair[0]->buf, value, data) < 0) { |
06eb708f JK |
198 | strbuf_list_free(pair); |
199 | return -1; | |
572e4f6a AR |
200 | } |
201 | strbuf_list_free(pair); | |
8b1fa778 AR |
202 | return 0; |
203 | } | |
204 | ||
06eb708f JK |
205 | int git_config_from_parameters(config_fn_t fn, void *data) |
206 | { | |
2b64fc89 JK |
207 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
208 | char *envw; | |
209 | const char **argv = NULL; | |
210 | int nr = 0, alloc = 0; | |
211 | int i; | |
212 | ||
213 | if (!env) | |
214 | return 0; | |
215 | /* sq_dequote will write over it */ | |
216 | envw = xstrdup(env); | |
217 | ||
218 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
219 | free(envw); | |
220 | return error("bogus format in " CONFIG_DATA_ENVIRONMENT); | |
221 | } | |
222 | ||
223 | for (i = 0; i < nr; i++) { | |
06eb708f | 224 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
2b64fc89 JK |
225 | free(argv); |
226 | free(envw); | |
227 | return -1; | |
228 | } | |
229 | } | |
230 | ||
231 | free(argv); | |
232 | free(envw); | |
06eb708f | 233 | return nr > 0; |
2b64fc89 JK |
234 | } |
235 | ||
17712991 LT |
236 | static int get_next_char(void) |
237 | { | |
49d6cfa5 | 238 | int c = cf->do_fgetc(cf); |
17712991 | 239 | |
dbb9a812 HV |
240 | if (c == '\r') { |
241 | /* DOS like systems */ | |
49d6cfa5 | 242 | c = cf->do_fgetc(cf); |
dbb9a812 | 243 | if (c != '\n') { |
5e0be134 JK |
244 | if (c != EOF) |
245 | cf->do_ungetc(c, cf); | |
dbb9a812 | 246 | c = '\r'; |
17712991 LT |
247 | } |
248 | } | |
dbb9a812 HV |
249 | if (c == '\n') |
250 | cf->linenr++; | |
251 | if (c == EOF) { | |
252 | cf->eof = 1; | |
b3b3f60b | 253 | cf->linenr++; |
dbb9a812 HV |
254 | c = '\n'; |
255 | } | |
17712991 LT |
256 | return c; |
257 | } | |
258 | ||
259 | static char *parse_value(void) | |
260 | { | |
e96c19c5 | 261 | int quote = 0, comment = 0, space = 0; |
17712991 | 262 | |
924aaf3e | 263 | strbuf_reset(&cf->value); |
17712991 LT |
264 | for (;;) { |
265 | int c = get_next_char(); | |
17712991 | 266 | if (c == '\n') { |
4b340593 MS |
267 | if (quote) { |
268 | cf->linenr--; | |
17712991 | 269 | return NULL; |
4b340593 | 270 | } |
924aaf3e | 271 | return cf->value.buf; |
17712991 LT |
272 | } |
273 | if (comment) | |
274 | continue; | |
275 | if (isspace(c) && !quote) { | |
924aaf3e | 276 | if (cf->value.len) |
ebdaae37 | 277 | space++; |
17712991 LT |
278 | continue; |
279 | } | |
7ebdba61 JS |
280 | if (!quote) { |
281 | if (c == ';' || c == '#') { | |
282 | comment = 1; | |
283 | continue; | |
284 | } | |
285 | } | |
ebdaae37 | 286 | for (; space; space--) |
924aaf3e | 287 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
288 | if (c == '\\') { |
289 | c = get_next_char(); | |
290 | switch (c) { | |
291 | case '\n': | |
292 | continue; | |
293 | case 't': | |
294 | c = '\t'; | |
295 | break; | |
296 | case 'b': | |
297 | c = '\b'; | |
298 | break; | |
299 | case 'n': | |
300 | c = '\n'; | |
301 | break; | |
5cbb401d LT |
302 | /* Some characters escape as themselves */ |
303 | case '\\': case '"': | |
304 | break; | |
305 | /* Reject unknown escape sequences */ | |
306 | default: | |
307 | return NULL; | |
17712991 | 308 | } |
924aaf3e | 309 | strbuf_addch(&cf->value, c); |
17712991 LT |
310 | continue; |
311 | } | |
312 | if (c == '"') { | |
313 | quote = 1-quote; | |
314 | continue; | |
315 | } | |
924aaf3e | 316 | strbuf_addch(&cf->value, c); |
17712991 LT |
317 | } |
318 | } | |
319 | ||
38c5afa8 LT |
320 | static inline int iskeychar(int c) |
321 | { | |
322 | return isalnum(c) || c == '-'; | |
323 | } | |
324 | ||
0971e992 | 325 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
326 | { |
327 | int c; | |
328 | char *value; | |
b3b3f60b | 329 | int ret; |
17712991 LT |
330 | |
331 | /* Get the full name */ | |
332 | for (;;) { | |
333 | c = get_next_char(); | |
924aaf3e | 334 | if (cf->eof) |
17712991 | 335 | break; |
38c5afa8 | 336 | if (!iskeychar(c)) |
17712991 | 337 | break; |
0971e992 | 338 | strbuf_addch(name, tolower(c)); |
17712991 | 339 | } |
0971e992 | 340 | |
17712991 LT |
341 | while (c == ' ' || c == '\t') |
342 | c = get_next_char(); | |
343 | ||
344 | value = NULL; | |
345 | if (c != '\n') { | |
346 | if (c != '=') | |
347 | return -1; | |
348 | value = parse_value(); | |
349 | if (!value) | |
350 | return -1; | |
351 | } | |
b3b3f60b MM |
352 | /* |
353 | * We already consumed the \n, but we need linenr to point to | |
354 | * the line we just parsed during the call to fn to get | |
355 | * accurate line number in error messages. | |
356 | */ | |
357 | cf->linenr--; | |
358 | ret = fn(name->buf, value, data); | |
359 | cf->linenr++; | |
360 | return ret; | |
17712991 LT |
361 | } |
362 | ||
0971e992 | 363 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
364 | { |
365 | do { | |
366 | if (c == '\n') | |
4b340593 | 367 | goto error_incomplete_line; |
d14f7764 LT |
368 | c = get_next_char(); |
369 | } while (isspace(c)); | |
370 | ||
371 | /* We require the format to be '[base "extension"]' */ | |
372 | if (c != '"') | |
373 | return -1; | |
0971e992 | 374 | strbuf_addch(name, '.'); |
d14f7764 LT |
375 | |
376 | for (;;) { | |
377 | int c = get_next_char(); | |
378 | if (c == '\n') | |
4b340593 | 379 | goto error_incomplete_line; |
d14f7764 LT |
380 | if (c == '"') |
381 | break; | |
382 | if (c == '\\') { | |
383 | c = get_next_char(); | |
384 | if (c == '\n') | |
4b340593 | 385 | goto error_incomplete_line; |
d14f7764 | 386 | } |
0971e992 | 387 | strbuf_addch(name, c); |
d14f7764 LT |
388 | } |
389 | ||
390 | /* Final ']' */ | |
391 | if (get_next_char() != ']') | |
392 | return -1; | |
0971e992 | 393 | return 0; |
4b340593 MS |
394 | error_incomplete_line: |
395 | cf->linenr--; | |
396 | return -1; | |
d14f7764 LT |
397 | } |
398 | ||
0971e992 | 399 | static int get_base_var(struct strbuf *name) |
17712991 | 400 | { |
17712991 LT |
401 | for (;;) { |
402 | int c = get_next_char(); | |
924aaf3e | 403 | if (cf->eof) |
17712991 LT |
404 | return -1; |
405 | if (c == ']') | |
0971e992 | 406 | return 0; |
d14f7764 | 407 | if (isspace(c)) |
0971e992 | 408 | return get_extended_base_var(name, c); |
38c5afa8 | 409 | if (!iskeychar(c) && c != '.') |
17712991 | 410 | return -1; |
0971e992 | 411 | strbuf_addch(name, tolower(c)); |
17712991 LT |
412 | } |
413 | } | |
414 | ||
4d8dd149 | 415 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
416 | { |
417 | int comment = 0; | |
418 | int baselen = 0; | |
0971e992 | 419 | struct strbuf *var = &cf->var; |
17712991 | 420 | |
de056402 | 421 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 422 | const char *bomptr = utf8_bom; |
de056402 | 423 | |
17712991 LT |
424 | for (;;) { |
425 | int c = get_next_char(); | |
de056402 PB |
426 | if (bomptr && *bomptr) { |
427 | /* We are at the file beginning; skip UTF8-encoded BOM | |
428 | * if present. Sane editors won't put this in on their | |
429 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 430 | if (c == (*bomptr & 0377)) { |
de056402 PB |
431 | bomptr++; |
432 | continue; | |
433 | } else { | |
434 | /* Do not tolerate partial BOM. */ | |
435 | if (bomptr != utf8_bom) | |
436 | break; | |
437 | /* No BOM at file beginning. Cool. */ | |
438 | bomptr = NULL; | |
439 | } | |
440 | } | |
17712991 | 441 | if (c == '\n') { |
924aaf3e | 442 | if (cf->eof) |
17712991 LT |
443 | return 0; |
444 | comment = 0; | |
445 | continue; | |
446 | } | |
447 | if (comment || isspace(c)) | |
448 | continue; | |
449 | if (c == '#' || c == ';') { | |
450 | comment = 1; | |
451 | continue; | |
452 | } | |
453 | if (c == '[') { | |
0971e992 BW |
454 | /* Reset prior to determining a new stem */ |
455 | strbuf_reset(var); | |
456 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 457 | break; |
0971e992 BW |
458 | strbuf_addch(var, '.'); |
459 | baselen = var->len; | |
17712991 LT |
460 | continue; |
461 | } | |
462 | if (!isalpha(c)) | |
463 | break; | |
0971e992 BW |
464 | /* |
465 | * Truncate the var name back to the section header | |
466 | * stem prior to grabbing the suffix part of the name | |
467 | * and the value. | |
468 | */ | |
469 | strbuf_setlen(var, baselen); | |
470 | strbuf_addch(var, tolower(c)); | |
471 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
472 | break; |
473 | } | |
b2dc0945 | 474 | if (cf->die_on_error) |
473166b9 | 475 | die(_("bad config line %d in %s %s"), cf->linenr, cf->origin_type, cf->name); |
b2dc0945 | 476 | else |
473166b9 | 477 | return error(_("bad config line %d in %s %s"), cf->linenr, cf->origin_type, cf->name); |
17712991 LT |
478 | } |
479 | ||
ebaa1bd4 | 480 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
481 | { |
482 | if (!*end) | |
483 | return 1; | |
c8deb5a1 SP |
484 | else if (!strcasecmp(end, "k")) { |
485 | *val *= 1024; | |
486 | return 1; | |
487 | } | |
488 | else if (!strcasecmp(end, "m")) { | |
489 | *val *= 1024 * 1024; | |
490 | return 1; | |
491 | } | |
492 | else if (!strcasecmp(end, "g")) { | |
493 | *val *= 1024 * 1024 * 1024; | |
494 | return 1; | |
495 | } | |
496 | return 0; | |
0b87b6e0 BD |
497 | } |
498 | ||
7192777d | 499 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
500 | { |
501 | if (value && *value) { | |
502 | char *end; | |
ebaa1bd4 NA |
503 | intmax_t val; |
504 | uintmax_t uval; | |
505 | uintmax_t factor = 1; | |
506 | ||
507 | errno = 0; | |
508 | val = strtoimax(value, &end, 0); | |
509 | if (errno == ERANGE) | |
510 | return 0; | |
33fdd77e JK |
511 | if (!parse_unit_factor(end, &factor)) { |
512 | errno = EINVAL; | |
c8deb5a1 | 513 | return 0; |
33fdd77e | 514 | } |
83915ba5 | 515 | uval = labs(val); |
ebaa1bd4 | 516 | uval *= factor; |
83915ba5 | 517 | if (uval > max || labs(val) > uval) { |
33fdd77e | 518 | errno = ERANGE; |
ebaa1bd4 | 519 | return 0; |
33fdd77e | 520 | } |
ebaa1bd4 NA |
521 | val *= factor; |
522 | *ret = val; | |
0b87b6e0 BD |
523 | return 1; |
524 | } | |
33fdd77e | 525 | errno = EINVAL; |
0b87b6e0 BD |
526 | return 0; |
527 | } | |
528 | ||
0b4dc661 | 529 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
530 | { |
531 | if (value && *value) { | |
532 | char *end; | |
ebaa1bd4 NA |
533 | uintmax_t val; |
534 | uintmax_t oldval; | |
535 | ||
536 | errno = 0; | |
537 | val = strtoumax(value, &end, 0); | |
538 | if (errno == ERANGE) | |
539 | return 0; | |
540 | oldval = val; | |
33fdd77e JK |
541 | if (!parse_unit_factor(end, &val)) { |
542 | errno = EINVAL; | |
c8deb5a1 | 543 | return 0; |
33fdd77e JK |
544 | } |
545 | if (val > max || oldval > val) { | |
546 | errno = ERANGE; | |
ebaa1bd4 | 547 | return 0; |
33fdd77e | 548 | } |
c8deb5a1 | 549 | *ret = val; |
0b87b6e0 | 550 | return 1; |
17712991 | 551 | } |
33fdd77e | 552 | errno = EINVAL; |
0b87b6e0 BD |
553 | return 0; |
554 | } | |
555 | ||
42d194e9 | 556 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 557 | { |
7192777d | 558 | intmax_t tmp; |
42d194e9 | 559 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
560 | return 0; |
561 | *ret = tmp; | |
562 | return 1; | |
563 | } | |
564 | ||
00160242 JK |
565 | static int git_parse_int64(const char *value, int64_t *ret) |
566 | { | |
567 | intmax_t tmp; | |
568 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
569 | return 0; | |
570 | *ret = tmp; | |
571 | return 1; | |
572 | } | |
573 | ||
7192777d JK |
574 | int git_parse_ulong(const char *value, unsigned long *ret) |
575 | { | |
576 | uintmax_t tmp; | |
577 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
578 | return 0; | |
579 | *ret = tmp; | |
580 | return 1; | |
581 | } | |
582 | ||
06bdc23b | 583 | NORETURN |
2f666581 | 584 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 585 | { |
2f666581 JK |
586 | const char *reason = errno == ERANGE ? |
587 | "out of range" : | |
588 | "invalid unit"; | |
589 | if (!value) | |
590 | value = ""; | |
591 | ||
473166b9 LS |
592 | if (cf && cf->origin_type && cf->name) |
593 | die(_("bad numeric config value '%s' for '%s' in %s %s: %s"), | |
594 | value, name, cf->origin_type, cf->name, reason); | |
8262aaa2 | 595 | die(_("bad numeric config value '%s' for '%s': %s"), value, name, reason); |
c1867cea JK |
596 | } |
597 | ||
0b87b6e0 BD |
598 | int git_config_int(const char *name, const char *value) |
599 | { | |
42d194e9 JK |
600 | int ret; |
601 | if (!git_parse_int(value, &ret)) | |
2f666581 | 602 | die_bad_number(name, value); |
0b87b6e0 BD |
603 | return ret; |
604 | } | |
605 | ||
00160242 JK |
606 | int64_t git_config_int64(const char *name, const char *value) |
607 | { | |
608 | int64_t ret; | |
609 | if (!git_parse_int64(value, &ret)) | |
610 | die_bad_number(name, value); | |
0b87b6e0 BD |
611 | return ret; |
612 | } | |
613 | ||
614 | unsigned long git_config_ulong(const char *name, const char *value) | |
615 | { | |
616 | unsigned long ret; | |
617 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 618 | die_bad_number(name, value); |
0b87b6e0 | 619 | return ret; |
17712991 LT |
620 | } |
621 | ||
9a549d43 | 622 | int git_parse_maybe_bool(const char *value) |
17712991 LT |
623 | { |
624 | if (!value) | |
625 | return 1; | |
626 | if (!*value) | |
627 | return 0; | |
8420ccd8 JH |
628 | if (!strcasecmp(value, "true") |
629 | || !strcasecmp(value, "yes") | |
630 | || !strcasecmp(value, "on")) | |
17712991 | 631 | return 1; |
8420ccd8 JH |
632 | if (!strcasecmp(value, "false") |
633 | || !strcasecmp(value, "no") | |
634 | || !strcasecmp(value, "off")) | |
17712991 | 635 | return 0; |
8420ccd8 JH |
636 | return -1; |
637 | } | |
638 | ||
b2be2f6a JK |
639 | int git_config_maybe_bool(const char *name, const char *value) |
640 | { | |
9a549d43 | 641 | int v = git_parse_maybe_bool(value); |
b2be2f6a JK |
642 | if (0 <= v) |
643 | return v; | |
42d194e9 | 644 | if (git_parse_int(value, &v)) |
db6195ef | 645 | return !!v; |
b2be2f6a JK |
646 | return -1; |
647 | } | |
648 | ||
8420ccd8 JH |
649 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
650 | { | |
9a549d43 | 651 | int v = git_parse_maybe_bool(value); |
8420ccd8 JH |
652 | if (0 <= v) { |
653 | *is_bool = 1; | |
654 | return v; | |
655 | } | |
a53f2ec6 | 656 | *is_bool = 0; |
c35b0b58 | 657 | return git_config_int(name, value); |
17712991 LT |
658 | } |
659 | ||
a53f2ec6 JH |
660 | int git_config_bool(const char *name, const char *value) |
661 | { | |
662 | int discard; | |
c35b0b58 | 663 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
664 | } |
665 | ||
ea5105a5 CC |
666 | int git_config_string(const char **dest, const char *var, const char *value) |
667 | { | |
668 | if (!value) | |
669 | return config_error_nonbool(var); | |
670 | *dest = xstrdup(value); | |
671 | return 0; | |
672 | } | |
673 | ||
395de250 MM |
674 | int git_config_pathname(const char **dest, const char *var, const char *value) |
675 | { | |
676 | if (!value) | |
677 | return config_error_nonbool(var); | |
678 | *dest = expand_user_path(value); | |
679 | if (!*dest) | |
8262aaa2 | 680 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
681 | return 0; |
682 | } | |
683 | ||
806e2ad7 | 684 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
685 | { |
686 | /* This needs a better name */ | |
687 | if (!strcmp(var, "core.filemode")) { | |
688 | trust_executable_bit = git_config_bool(var, value); | |
689 | return 0; | |
690 | } | |
1ce4790b AR |
691 | if (!strcmp(var, "core.trustctime")) { |
692 | trust_ctime = git_config_bool(var, value); | |
693 | return 0; | |
694 | } | |
c1b5d738 | 695 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
696 | if (!strcasecmp(value, "default")) |
697 | check_stat = 1; | |
698 | else if (!strcasecmp(value, "minimal")) | |
699 | check_stat = 0; | |
700 | } | |
17712991 | 701 | |
9378c161 JH |
702 | if (!strcmp(var, "core.quotepath")) { |
703 | quote_path_fully = git_config_bool(var, value); | |
704 | return 0; | |
705 | } | |
706 | ||
78a8d641 JS |
707 | if (!strcmp(var, "core.symlinks")) { |
708 | has_symlinks = git_config_bool(var, value); | |
709 | return 0; | |
710 | } | |
711 | ||
0a9b88b7 LT |
712 | if (!strcmp(var, "core.ignorecase")) { |
713 | ignore_case = git_config_bool(var, value); | |
714 | return 0; | |
715 | } | |
716 | ||
64589a03 JH |
717 | if (!strcmp(var, "core.attributesfile")) |
718 | return git_config_pathname(&git_attributes_file, var, value); | |
719 | ||
7d1864ce JH |
720 | if (!strcmp(var, "core.bare")) { |
721 | is_bare_repository_cfg = git_config_bool(var, value); | |
722 | return 0; | |
723 | } | |
724 | ||
5f73076c JH |
725 | if (!strcmp(var, "core.ignorestat")) { |
726 | assume_unchanged = git_config_bool(var, value); | |
727 | return 0; | |
728 | } | |
729 | ||
e388c738 JH |
730 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
731 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
732 | return 0; |
733 | } | |
734 | ||
6de08ae6 SP |
735 | if (!strcmp(var, "core.logallrefupdates")) { |
736 | log_all_ref_updates = git_config_bool(var, value); | |
737 | return 0; | |
738 | } | |
739 | ||
2f8acdb3 JH |
740 | if (!strcmp(var, "core.warnambiguousrefs")) { |
741 | warn_ambiguous_refs = git_config_bool(var, value); | |
742 | return 0; | |
743 | } | |
744 | ||
a71f09fe | 745 | if (!strcmp(var, "core.abbrev")) { |
dce96489 LT |
746 | int abbrev = git_config_int(var, value); |
747 | if (abbrev < minimum_abbrev || abbrev > 40) | |
748 | return -1; | |
749 | default_abbrev = abbrev; | |
750 | return 0; | |
751 | } | |
752 | ||
960ccca6 | 753 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
754 | int level = git_config_int(var, value); |
755 | if (level == -1) | |
756 | level = Z_DEFAULT_COMPRESSION; | |
757 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 758 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 759 | zlib_compression_level = level; |
960ccca6 DH |
760 | zlib_compression_seen = 1; |
761 | return 0; | |
762 | } | |
763 | ||
764 | if (!strcmp(var, "core.compression")) { | |
765 | int level = git_config_int(var, value); | |
766 | if (level == -1) | |
767 | level = Z_DEFAULT_COMPRESSION; | |
768 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 769 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
770 | core_compression_level = level; |
771 | core_compression_seen = 1; | |
772 | if (!zlib_compression_seen) | |
773 | zlib_compression_level = level; | |
12f6c308 JBH |
774 | return 0; |
775 | } | |
776 | ||
60bb8b14 | 777 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 778 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 779 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
780 | |
781 | /* This value must be multiple of (pagesize * 2) */ | |
782 | packed_git_window_size /= pgsz_x2; | |
783 | if (packed_git_window_size < 1) | |
784 | packed_git_window_size = 1; | |
785 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
786 | return 0; |
787 | } | |
788 | ||
15366280 | 789 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 790 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
791 | return 0; |
792 | } | |
793 | ||
77ccc5bb | 794 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 795 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
796 | return 0; |
797 | } | |
798 | ||
18bdec11 | 799 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 800 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
801 | return 0; |
802 | } | |
803 | ||
6c510bee | 804 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 805 | if (value && !strcasecmp(value, "input")) { |
ec70f52f | 806 | if (core_eol == EOL_CRLF) |
942e7747 | 807 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
fd6cce9e | 808 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
809 | return 0; |
810 | } | |
6c510bee LT |
811 | auto_crlf = git_config_bool(var, value); |
812 | return 0; | |
813 | } | |
814 | ||
21e5ad50 SP |
815 | if (!strcmp(var, "core.safecrlf")) { |
816 | if (value && !strcasecmp(value, "warn")) { | |
817 | safe_crlf = SAFE_CRLF_WARN; | |
818 | return 0; | |
819 | } | |
820 | safe_crlf = git_config_bool(var, value); | |
821 | return 0; | |
822 | } | |
823 | ||
942e7747 EB |
824 | if (!strcmp(var, "core.eol")) { |
825 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 826 | core_eol = EOL_LF; |
942e7747 | 827 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 828 | core_eol = EOL_CRLF; |
942e7747 | 829 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 830 | core_eol = EOL_NATIVE; |
942e7747 | 831 | else |
ec70f52f JH |
832 | core_eol = EOL_UNSET; |
833 | if (core_eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT) | |
942e7747 EB |
834 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
835 | return 0; | |
836 | } | |
837 | ||
a97a7468 JS |
838 | if (!strcmp(var, "core.notesref")) { |
839 | notes_ref_name = xstrdup(value); | |
840 | return 0; | |
841 | } | |
842 | ||
806e2ad7 LT |
843 | if (!strcmp(var, "core.pager")) |
844 | return git_config_string(&pager_program, var, value); | |
845 | ||
846 | if (!strcmp(var, "core.editor")) | |
847 | return git_config_string(&editor_program, var, value); | |
848 | ||
eff80a9f | 849 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
850 | if (!value) |
851 | return config_error_nonbool(var); | |
ad524f83 | 852 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 853 | auto_comment_line_char = 1; |
ad524f83 | 854 | else if (value[0] && !value[1]) { |
649409b7 | 855 | comment_line_char = value[0]; |
84c9dc2c | 856 | auto_comment_line_char = 0; |
50b54fd7 NTND |
857 | } else |
858 | return error("core.commentChar should only be one character"); | |
859 | return 0; | |
eff80a9f JH |
860 | } |
861 | ||
d3e7da89 AK |
862 | if (!strcmp(var, "core.askpass")) |
863 | return git_config_string(&askpass_program, var, value); | |
864 | ||
806e2ad7 | 865 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 866 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
867 | |
868 | if (!strcmp(var, "core.whitespace")) { | |
869 | if (!value) | |
870 | return config_error_nonbool(var); | |
871 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
872 | return 0; | |
873 | } | |
874 | ||
aafe9fba LT |
875 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
876 | fsync_object_files = git_config_bool(var, value); | |
877 | return 0; | |
878 | } | |
879 | ||
671c9b7e LT |
880 | if (!strcmp(var, "core.preloadindex")) { |
881 | core_preload_index = git_config_bool(var, value); | |
882 | return 0; | |
883 | } | |
884 | ||
348df166 JS |
885 | if (!strcmp(var, "core.createobject")) { |
886 | if (!strcmp(value, "rename")) | |
887 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
888 | else if (!strcmp(value, "link")) | |
889 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
890 | else | |
8262aaa2 | 891 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
892 | return 0; |
893 | } | |
894 | ||
08aefc9e NTND |
895 | if (!strcmp(var, "core.sparsecheckout")) { |
896 | core_apply_sparse_checkout = git_config_bool(var, value); | |
897 | return 0; | |
898 | } | |
899 | ||
76759c7d TB |
900 | if (!strcmp(var, "core.precomposeunicode")) { |
901 | precomposed_unicode = git_config_bool(var, value); | |
902 | return 0; | |
903 | } | |
904 | ||
a42643aa JK |
905 | if (!strcmp(var, "core.protecthfs")) { |
906 | protect_hfs = git_config_bool(var, value); | |
907 | return 0; | |
908 | } | |
909 | ||
2b4c6efc JS |
910 | if (!strcmp(var, "core.protectntfs")) { |
911 | protect_ntfs = git_config_bool(var, value); | |
912 | return 0; | |
76759c7d TB |
913 | } |
914 | ||
f30afdab JS |
915 | if (!strcmp(var, "core.hidedotfiles")) { |
916 | if (value && !strcasecmp(value, "dotgitonly")) | |
917 | hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; | |
918 | else | |
919 | hide_dotfiles = git_config_bool(var, value); | |
920 | return 0; | |
921 | } | |
922 | ||
806e2ad7 LT |
923 | /* Add other config variables here and to Documentation/config.txt. */ |
924 | return 0; | |
925 | } | |
926 | ||
1141f492 | 927 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 928 | { |
ea5105a5 CC |
929 | if (!strcmp(var, "i18n.commitencoding")) |
930 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 931 | |
ea5105a5 CC |
932 | if (!strcmp(var, "i18n.logoutputencoding")) |
933 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 934 | |
1141f492 LT |
935 | /* Add other config variables here and to Documentation/config.txt. */ |
936 | return 0; | |
937 | } | |
039bc64e | 938 | |
1141f492 LT |
939 | static int git_default_branch_config(const char *var, const char *value) |
940 | { | |
9ed36cfa JS |
941 | if (!strcmp(var, "branch.autosetupmerge")) { |
942 | if (value && !strcasecmp(value, "always")) { | |
943 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
944 | return 0; | |
945 | } | |
946 | git_branch_track = git_config_bool(var, value); | |
947 | return 0; | |
948 | } | |
c998ae9b DS |
949 | if (!strcmp(var, "branch.autosetuprebase")) { |
950 | if (!value) | |
951 | return config_error_nonbool(var); | |
952 | else if (!strcmp(value, "never")) | |
953 | autorebase = AUTOREBASE_NEVER; | |
954 | else if (!strcmp(value, "local")) | |
955 | autorebase = AUTOREBASE_LOCAL; | |
956 | else if (!strcmp(value, "remote")) | |
957 | autorebase = AUTOREBASE_REMOTE; | |
958 | else if (!strcmp(value, "always")) | |
959 | autorebase = AUTOREBASE_ALWAYS; | |
960 | else | |
961 | return error("Malformed value for %s", var); | |
962 | return 0; | |
963 | } | |
a9cc857a | 964 | |
1ab661dd | 965 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
966 | return 0; |
967 | } | |
968 | ||
52153747 FAG |
969 | static int git_default_push_config(const char *var, const char *value) |
970 | { | |
971 | if (!strcmp(var, "push.default")) { | |
972 | if (!value) | |
973 | return config_error_nonbool(var); | |
974 | else if (!strcmp(value, "nothing")) | |
975 | push_default = PUSH_DEFAULT_NOTHING; | |
976 | else if (!strcmp(value, "matching")) | |
977 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
978 | else if (!strcmp(value, "simple")) |
979 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
980 | else if (!strcmp(value, "upstream")) |
981 | push_default = PUSH_DEFAULT_UPSTREAM; | |
982 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
983 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
984 | else if (!strcmp(value, "current")) |
985 | push_default = PUSH_DEFAULT_CURRENT; | |
986 | else { | |
987 | error("Malformed value for %s: %s", var, value); | |
b55e6775 MM |
988 | return error("Must be one of nothing, matching, simple, " |
989 | "upstream or current."); | |
52153747 FAG |
990 | } |
991 | return 0; | |
992 | } | |
993 | ||
994 | /* Add other config variables here and to Documentation/config.txt. */ | |
995 | return 0; | |
996 | } | |
997 | ||
d551a488 MSO |
998 | static int git_default_mailmap_config(const char *var, const char *value) |
999 | { | |
1000 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 1001 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
1002 | if (!strcmp(var, "mailmap.blob")) |
1003 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
1004 | |
1005 | /* Add other config variables here and to Documentation/config.txt. */ | |
1006 | return 0; | |
1007 | } | |
1008 | ||
1141f492 LT |
1009 | int git_default_config(const char *var, const char *value, void *dummy) |
1010 | { | |
59556548 | 1011 | if (starts_with(var, "core.")) |
1141f492 LT |
1012 | return git_default_core_config(var, value); |
1013 | ||
59556548 | 1014 | if (starts_with(var, "user.")) |
9597921b | 1015 | return git_ident_config(var, value, dummy); |
1141f492 | 1016 | |
59556548 | 1017 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1018 | return git_default_i18n_config(var, value); |
1019 | ||
59556548 | 1020 | if (starts_with(var, "branch.")) |
1141f492 LT |
1021 | return git_default_branch_config(var, value); |
1022 | ||
59556548 | 1023 | if (starts_with(var, "push.")) |
52153747 FAG |
1024 | return git_default_push_config(var, value); |
1025 | ||
59556548 | 1026 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1027 | return git_default_mailmap_config(var, value); |
1028 | ||
59556548 | 1029 | if (starts_with(var, "advice.")) |
75194438 JK |
1030 | return git_default_advice_config(var, value); |
1031 | ||
1141f492 LT |
1032 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1033 | pager_use_color = git_config_bool(var,value); | |
1034 | return 0; | |
1035 | } | |
1036 | ||
568508e7 JH |
1037 | if (!strcmp(var, "pack.packsizelimit")) { |
1038 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1039 | return 0; | |
1040 | } | |
1141f492 LT |
1041 | /* Add other config variables here and to Documentation/config.txt. */ |
1042 | return 0; | |
1043 | } | |
1044 | ||
ca4b5de2 | 1045 | /* |
b2dc0945 | 1046 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1047 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1048 | * this function. |
1049 | */ | |
4d8dd149 | 1050 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1051 | { |
1052 | int ret; | |
1053 | ||
1054 | /* push config-file parsing state stack */ | |
1055 | top->prev = cf; | |
1056 | top->linenr = 1; | |
1057 | top->eof = 0; | |
1058 | strbuf_init(&top->value, 1024); | |
1059 | strbuf_init(&top->var, 1024); | |
1060 | cf = top; | |
1061 | ||
4d8dd149 | 1062 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1063 | |
1064 | /* pop config-file parsing state stack */ | |
1065 | strbuf_release(&top->value); | |
1066 | strbuf_release(&top->var); | |
1067 | cf = top->prev; | |
1068 | ||
1069 | return ret; | |
1070 | } | |
1071 | ||
3caec73b | 1072 | static int do_config_from_file(config_fn_t fn, |
473166b9 LS |
1073 | const char *origin_type, const char *name, const char *path, FILE *f, |
1074 | void *data) | |
17712991 | 1075 | { |
3caec73b | 1076 | struct config_source top; |
17712991 | 1077 | |
3caec73b | 1078 | top.u.file = f; |
473166b9 | 1079 | top.origin_type = origin_type; |
3caec73b KS |
1080 | top.name = name; |
1081 | top.path = path; | |
1082 | top.die_on_error = 1; | |
1083 | top.do_fgetc = config_file_fgetc; | |
1084 | top.do_ungetc = config_file_ungetc; | |
1085 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1086 | |
3caec73b KS |
1087 | return do_config_from(&top, fn, data); |
1088 | } | |
924aaf3e | 1089 | |
3caec73b KS |
1090 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1091 | { | |
473166b9 | 1092 | return do_config_from_file(fn, "standard input", "", NULL, stdin, data); |
3caec73b KS |
1093 | } |
1094 | ||
1095 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) | |
1096 | { | |
1097 | int ret = -1; | |
1098 | FILE *f; | |
924aaf3e | 1099 | |
3caec73b KS |
1100 | f = fopen(filename, "r"); |
1101 | if (f) { | |
260d408e | 1102 | flockfile(f); |
473166b9 | 1103 | ret = do_config_from_file(fn, "file", filename, filename, f, data); |
260d408e | 1104 | funlockfile(f); |
17712991 LT |
1105 | fclose(f); |
1106 | } | |
1107 | return ret; | |
1108 | } | |
10bea152 | 1109 | |
473166b9 LS |
1110 | int git_config_from_mem(config_fn_t fn, const char *origin_type, |
1111 | const char *name, const char *buf, size_t len, void *data) | |
1bc88819 HV |
1112 | { |
1113 | struct config_source top; | |
1114 | ||
1115 | top.u.buf.buf = buf; | |
1116 | top.u.buf.len = len; | |
1117 | top.u.buf.pos = 0; | |
473166b9 | 1118 | top.origin_type = origin_type; |
1bc88819 | 1119 | top.name = name; |
d14d4244 | 1120 | top.path = NULL; |
b2dc0945 | 1121 | top.die_on_error = 0; |
49d6cfa5 JK |
1122 | top.do_fgetc = config_buf_fgetc; |
1123 | top.do_ungetc = config_buf_ungetc; | |
1124 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1125 | |
1126 | return do_config_from(&top, fn, data); | |
1127 | } | |
1128 | ||
1129 | static int git_config_from_blob_sha1(config_fn_t fn, | |
1130 | const char *name, | |
1131 | const unsigned char *sha1, | |
1132 | void *data) | |
1133 | { | |
1134 | enum object_type type; | |
1135 | char *buf; | |
1136 | unsigned long size; | |
1137 | int ret; | |
1138 | ||
1139 | buf = read_sha1_file(sha1, &type, &size); | |
1140 | if (!buf) | |
1141 | return error("unable to load config blob object '%s'", name); | |
1142 | if (type != OBJ_BLOB) { | |
1143 | free(buf); | |
1144 | return error("reference '%s' does not point to a blob", name); | |
1145 | } | |
1146 | ||
473166b9 | 1147 | ret = git_config_from_mem(fn, "blob", name, buf, size, data); |
1bc88819 HV |
1148 | free(buf); |
1149 | ||
1150 | return ret; | |
1151 | } | |
1152 | ||
1153 | static int git_config_from_blob_ref(config_fn_t fn, | |
1154 | const char *name, | |
1155 | void *data) | |
1156 | { | |
1157 | unsigned char sha1[20]; | |
1158 | ||
1159 | if (get_sha1(name, sha1) < 0) | |
1160 | return error("unable to resolve config blob '%s'", name); | |
1161 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1162 | } | |
1163 | ||
506b17b1 JS |
1164 | const char *git_etc_gitconfig(void) |
1165 | { | |
7f0e39fa | 1166 | static const char *system_wide; |
2de9de5e SP |
1167 | if (!system_wide) |
1168 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1169 | return system_wide; |
506b17b1 JS |
1170 | } |
1171 | ||
23b0c478 SP |
1172 | /* |
1173 | * Parse environment variable 'k' as a boolean (in various | |
1174 | * possible spellings); if missing, use the default value 'def'. | |
1175 | */ | |
0ef37164 | 1176 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1177 | { |
1178 | const char *v = getenv(k); | |
1179 | return v ? git_config_bool(k, v) : def; | |
1180 | } | |
1181 | ||
23b0c478 SP |
1182 | /* |
1183 | * Parse environment variable 'k' as ulong with possibly a unit | |
1184 | * suffix; if missing, use the default value 'val'. | |
1185 | */ | |
1186 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1187 | { | |
1188 | const char *v = getenv(k); | |
1189 | if (v && !git_parse_ulong(v, &val)) | |
1190 | die("failed to parse %s", k); | |
1191 | return val; | |
1192 | } | |
1193 | ||
ab88c363 JK |
1194 | int git_config_system(void) |
1195 | { | |
1196 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1197 | } | |
1198 | ||
dbdf5854 | 1199 | int git_config_early(config_fn_t fn, void *data, const char *repo_config) |
4f629539 | 1200 | { |
aa387407 | 1201 | int ret = 0, found = 0; |
509adc33 PT |
1202 | char *xdg_config = xdg_config_home("config"); |
1203 | char *user_config = expand_user_path("~/.gitconfig"); | |
5f1a63e0 | 1204 | |
4698c8fe | 1205 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) { |
dc871831 DB |
1206 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1207 | data); | |
aa387407 FC |
1208 | found += 1; |
1209 | } | |
5f1a63e0 | 1210 | |
4698c8fe | 1211 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) { |
21cf3227 HKNN |
1212 | ret += git_config_from_file(fn, xdg_config, data); |
1213 | found += 1; | |
1214 | } | |
1215 | ||
4698c8fe | 1216 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) { |
21cf3227 HKNN |
1217 | ret += git_config_from_file(fn, user_config, data); |
1218 | found += 1; | |
5f1a63e0 JS |
1219 | } |
1220 | ||
4698c8fe | 1221 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) { |
aa387407 FC |
1222 | ret += git_config_from_file(fn, repo_config, data); |
1223 | found += 1; | |
1224 | } | |
8b1fa778 | 1225 | |
5a0c9eeb JK |
1226 | switch (git_config_from_parameters(fn, data)) { |
1227 | case -1: /* error */ | |
8262aaa2 | 1228 | die(_("unable to parse command-line config")); |
5a0c9eeb JK |
1229 | break; |
1230 | case 0: /* found nothing */ | |
1231 | break; | |
1232 | default: /* found at least one item */ | |
1233 | found++; | |
1234 | break; | |
1235 | } | |
8b1fa778 | 1236 | |
21cf3227 HKNN |
1237 | free(xdg_config); |
1238 | free(user_config); | |
1f2baa78 | 1239 | return ret == 0 ? found : ret; |
4f629539 JH |
1240 | } |
1241 | ||
c9b5e2a5 | 1242 | int git_config_with_options(config_fn_t fn, void *data, |
c8985ce0 | 1243 | struct git_config_source *config_source, |
1bc88819 | 1244 | int respect_includes) |
dbdf5854 NTND |
1245 | { |
1246 | char *repo_config = NULL; | |
1247 | int ret; | |
9b25a0b5 JK |
1248 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1249 | ||
1250 | if (respect_includes) { | |
1251 | inc.fn = fn; | |
1252 | inc.data = data; | |
1253 | fn = git_config_include; | |
1254 | data = &inc; | |
1255 | } | |
dbdf5854 | 1256 | |
c9b5e2a5 JK |
1257 | /* |
1258 | * If we have a specific filename, use it. Otherwise, follow the | |
1259 | * regular lookup sequence. | |
1260 | */ | |
3caec73b KS |
1261 | if (config_source && config_source->use_stdin) |
1262 | return git_config_from_stdin(fn, data); | |
1263 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1264 | return git_config_from_file(fn, config_source->file, data); |
1265 | else if (config_source && config_source->blob) | |
1266 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1267 | |
dbdf5854 NTND |
1268 | repo_config = git_pathdup("config"); |
1269 | ret = git_config_early(fn, data, repo_config); | |
1270 | if (repo_config) | |
1271 | free(repo_config); | |
1272 | return ret; | |
1273 | } | |
1274 | ||
155ef25f | 1275 | static void git_config_raw(config_fn_t fn, void *data) |
c9b5e2a5 | 1276 | { |
aace4385 TA |
1277 | if (git_config_with_options(fn, data, NULL, 1) < 0) |
1278 | /* | |
1279 | * git_config_with_options() normally returns only | |
1280 | * positive values, as most errors are fatal, and | |
1281 | * non-fatal potential errors are guarded by "if" | |
1282 | * statements that are entered only when no error is | |
1283 | * possible. | |
1284 | * | |
1285 | * If we ever encounter a non-fatal error, it means | |
1286 | * something went really wrong and we should stop | |
1287 | * immediately. | |
1288 | */ | |
1289 | die(_("unknown error occured while reading the configuration files")); | |
c9b5e2a5 JK |
1290 | } |
1291 | ||
155ef25f | 1292 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1293 | { |
155ef25f TA |
1294 | int i, value_index; |
1295 | struct string_list *values; | |
1296 | struct config_set_element *entry; | |
1297 | struct configset_list *list = &cs->list; | |
1298 | struct key_value_info *kv_info; | |
1299 | ||
1300 | for (i = 0; i < list->nr; i++) { | |
1301 | entry = list->items[i].e; | |
1302 | value_index = list->items[i].value_index; | |
1303 | values = &entry->value_list; | |
1304 | if (fn(entry->key, values->items[value_index].string, data) < 0) { | |
1305 | kv_info = values->items[value_index].util; | |
1306 | git_die_config_linenr(entry->key, kv_info->filename, kv_info->linenr); | |
1307 | } | |
1308 | } | |
1309 | } | |
1310 | ||
1311 | static void git_config_check_init(void); | |
1312 | ||
1313 | void git_config(config_fn_t fn, void *data) | |
1314 | { | |
1315 | git_config_check_init(); | |
1316 | configset_iter(&the_config_set, fn, data); | |
c9b5e2a5 JK |
1317 | } |
1318 | ||
3c8687a7 TA |
1319 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
1320 | { | |
1321 | struct config_set_element k; | |
1322 | struct config_set_element *found_entry; | |
1323 | char *normalized_key; | |
1324 | int ret; | |
1325 | /* | |
1326 | * `key` may come from the user, so normalize it before using it | |
1327 | * for querying entries from the hashmap. | |
1328 | */ | |
1329 | ret = git_config_parse_key(key, &normalized_key, NULL); | |
1330 | ||
1331 | if (ret) | |
1332 | return NULL; | |
1333 | ||
1334 | hashmap_entry_init(&k, strhash(normalized_key)); | |
1335 | k.key = normalized_key; | |
1336 | found_entry = hashmap_get(&cs->config_hash, &k, NULL); | |
1337 | free(normalized_key); | |
1338 | return found_entry; | |
1339 | } | |
1340 | ||
1341 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
1342 | { | |
1343 | struct config_set_element *e; | |
3df8fd62 | 1344 | struct string_list_item *si; |
155ef25f | 1345 | struct configset_list_item *l_item; |
3df8fd62 TA |
1346 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
1347 | ||
3c8687a7 TA |
1348 | e = configset_find_element(cs, key); |
1349 | /* | |
1350 | * Since the keys are being fed by git_config*() callback mechanism, they | |
1351 | * are already normalized. So simply add them without any further munging. | |
1352 | */ | |
1353 | if (!e) { | |
1354 | e = xmalloc(sizeof(*e)); | |
1355 | hashmap_entry_init(e, strhash(key)); | |
1356 | e->key = xstrdup(key); | |
1357 | string_list_init(&e->value_list, 1); | |
1358 | hashmap_add(&cs->config_hash, e); | |
1359 | } | |
8c53f071 | 1360 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
1361 | |
1362 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
1363 | l_item = &cs->list.items[cs->list.nr++]; | |
1364 | l_item->e = e; | |
1365 | l_item->value_index = e->value_list.nr - 1; | |
1366 | ||
3df8fd62 TA |
1367 | if (cf) { |
1368 | kv_info->filename = strintern(cf->name); | |
1369 | kv_info->linenr = cf->linenr; | |
1370 | } else { | |
1371 | /* for values read from `git_config_from_parameters()` */ | |
1372 | kv_info->filename = NULL; | |
1373 | kv_info->linenr = -1; | |
1374 | } | |
1375 | si->util = kv_info; | |
3c8687a7 TA |
1376 | |
1377 | return 0; | |
1378 | } | |
1379 | ||
1380 | static int config_set_element_cmp(const struct config_set_element *e1, | |
1381 | const struct config_set_element *e2, const void *unused) | |
1382 | { | |
1383 | return strcmp(e1->key, e2->key); | |
1384 | } | |
1385 | ||
1386 | void git_configset_init(struct config_set *cs) | |
1387 | { | |
1388 | hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 0); | |
1389 | cs->hash_initialized = 1; | |
155ef25f TA |
1390 | cs->list.nr = 0; |
1391 | cs->list.alloc = 0; | |
1392 | cs->list.items = NULL; | |
3c8687a7 TA |
1393 | } |
1394 | ||
1395 | void git_configset_clear(struct config_set *cs) | |
1396 | { | |
1397 | struct config_set_element *entry; | |
1398 | struct hashmap_iter iter; | |
1399 | if (!cs->hash_initialized) | |
1400 | return; | |
1401 | ||
1402 | hashmap_iter_init(&cs->config_hash, &iter); | |
1403 | while ((entry = hashmap_iter_next(&iter))) { | |
1404 | free(entry->key); | |
3df8fd62 | 1405 | string_list_clear(&entry->value_list, 1); |
3c8687a7 TA |
1406 | } |
1407 | hashmap_free(&cs->config_hash, 1); | |
1408 | cs->hash_initialized = 0; | |
155ef25f TA |
1409 | free(cs->list.items); |
1410 | cs->list.nr = 0; | |
1411 | cs->list.alloc = 0; | |
1412 | cs->list.items = NULL; | |
3c8687a7 TA |
1413 | } |
1414 | ||
1415 | static int config_set_callback(const char *key, const char *value, void *cb) | |
1416 | { | |
1417 | struct config_set *cs = cb; | |
1418 | configset_add_value(cs, key, value); | |
1419 | return 0; | |
1420 | } | |
1421 | ||
1422 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
1423 | { | |
1424 | return git_config_from_file(config_set_callback, filename, cs); | |
1425 | } | |
1426 | ||
1427 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
1428 | { | |
1429 | const struct string_list *values = NULL; | |
1430 | /* | |
1431 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
1432 | * queried key in the files of the configset, the value returned will be the last | |
1433 | * value in the value list for that key. | |
1434 | */ | |
1435 | values = git_configset_get_value_multi(cs, key); | |
1436 | ||
1437 | if (!values) | |
1438 | return 1; | |
1439 | assert(values->nr > 0); | |
1440 | *value = values->items[values->nr - 1].string; | |
1441 | return 0; | |
1442 | } | |
1443 | ||
1444 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
1445 | { | |
1446 | struct config_set_element *e = configset_find_element(cs, key); | |
1447 | return e ? &e->value_list : NULL; | |
1448 | } | |
1449 | ||
1450 | int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest) | |
1451 | { | |
1452 | const char *value; | |
1453 | if (!git_configset_get_value(cs, key, &value)) | |
1454 | return git_config_string(dest, key, value); | |
1455 | else | |
1456 | return 1; | |
1457 | } | |
1458 | ||
1459 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) | |
1460 | { | |
1461 | return git_configset_get_string_const(cs, key, (const char **)dest); | |
1462 | } | |
1463 | ||
1464 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
1465 | { | |
1466 | const char *value; | |
1467 | if (!git_configset_get_value(cs, key, &value)) { | |
1468 | *dest = git_config_int(key, value); | |
1469 | return 0; | |
1470 | } else | |
1471 | return 1; | |
1472 | } | |
1473 | ||
1474 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
1475 | { | |
1476 | const char *value; | |
1477 | if (!git_configset_get_value(cs, key, &value)) { | |
1478 | *dest = git_config_ulong(key, value); | |
1479 | return 0; | |
1480 | } else | |
1481 | return 1; | |
1482 | } | |
1483 | ||
1484 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
1485 | { | |
1486 | const char *value; | |
1487 | if (!git_configset_get_value(cs, key, &value)) { | |
1488 | *dest = git_config_bool(key, value); | |
1489 | return 0; | |
1490 | } else | |
1491 | return 1; | |
1492 | } | |
1493 | ||
1494 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
1495 | int *is_bool, int *dest) | |
1496 | { | |
1497 | const char *value; | |
1498 | if (!git_configset_get_value(cs, key, &value)) { | |
1499 | *dest = git_config_bool_or_int(key, value, is_bool); | |
1500 | return 0; | |
1501 | } else | |
1502 | return 1; | |
1503 | } | |
1504 | ||
1505 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
1506 | { | |
1507 | const char *value; | |
1508 | if (!git_configset_get_value(cs, key, &value)) { | |
1509 | *dest = git_config_maybe_bool(key, value); | |
1510 | if (*dest == -1) | |
1511 | return -1; | |
1512 | return 0; | |
1513 | } else | |
1514 | return 1; | |
1515 | } | |
1516 | ||
1517 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
1518 | { | |
1519 | const char *value; | |
1520 | if (!git_configset_get_value(cs, key, &value)) | |
1521 | return git_config_pathname(dest, key, value); | |
1522 | else | |
1523 | return 1; | |
1524 | } | |
1525 | ||
1526 | static void git_config_check_init(void) | |
1527 | { | |
1528 | if (the_config_set.hash_initialized) | |
1529 | return; | |
1530 | git_configset_init(&the_config_set); | |
155ef25f | 1531 | git_config_raw(config_set_callback, &the_config_set); |
3c8687a7 TA |
1532 | } |
1533 | ||
1534 | void git_config_clear(void) | |
1535 | { | |
1536 | if (!the_config_set.hash_initialized) | |
1537 | return; | |
1538 | git_configset_clear(&the_config_set); | |
1539 | } | |
1540 | ||
1541 | int git_config_get_value(const char *key, const char **value) | |
1542 | { | |
1543 | git_config_check_init(); | |
1544 | return git_configset_get_value(&the_config_set, key, value); | |
1545 | } | |
1546 | ||
1547 | const struct string_list *git_config_get_value_multi(const char *key) | |
1548 | { | |
1549 | git_config_check_init(); | |
1550 | return git_configset_get_value_multi(&the_config_set, key); | |
1551 | } | |
1552 | ||
1553 | int git_config_get_string_const(const char *key, const char **dest) | |
1554 | { | |
5a80e97c | 1555 | int ret; |
3c8687a7 | 1556 | git_config_check_init(); |
5a80e97c TA |
1557 | ret = git_configset_get_string_const(&the_config_set, key, dest); |
1558 | if (ret < 0) | |
1559 | git_die_config(key, NULL); | |
1560 | return ret; | |
3c8687a7 TA |
1561 | } |
1562 | ||
1563 | int git_config_get_string(const char *key, char **dest) | |
1564 | { | |
1565 | git_config_check_init(); | |
1566 | return git_config_get_string_const(key, (const char **)dest); | |
1567 | } | |
1568 | ||
1569 | int git_config_get_int(const char *key, int *dest) | |
1570 | { | |
1571 | git_config_check_init(); | |
1572 | return git_configset_get_int(&the_config_set, key, dest); | |
1573 | } | |
1574 | ||
1575 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
1576 | { | |
1577 | git_config_check_init(); | |
1578 | return git_configset_get_ulong(&the_config_set, key, dest); | |
1579 | } | |
1580 | ||
1581 | int git_config_get_bool(const char *key, int *dest) | |
1582 | { | |
1583 | git_config_check_init(); | |
1584 | return git_configset_get_bool(&the_config_set, key, dest); | |
1585 | } | |
1586 | ||
1587 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
1588 | { | |
1589 | git_config_check_init(); | |
1590 | return git_configset_get_bool_or_int(&the_config_set, key, is_bool, dest); | |
1591 | } | |
1592 | ||
1593 | int git_config_get_maybe_bool(const char *key, int *dest) | |
1594 | { | |
1595 | git_config_check_init(); | |
1596 | return git_configset_get_maybe_bool(&the_config_set, key, dest); | |
1597 | } | |
1598 | ||
1599 | int git_config_get_pathname(const char *key, const char **dest) | |
1600 | { | |
5a80e97c | 1601 | int ret; |
3c8687a7 | 1602 | git_config_check_init(); |
5a80e97c TA |
1603 | ret = git_configset_get_pathname(&the_config_set, key, dest); |
1604 | if (ret < 0) | |
1605 | git_die_config(key, NULL); | |
1606 | return ret; | |
1607 | } | |
1608 | ||
435ec090 CC |
1609 | int git_config_get_untracked_cache(void) |
1610 | { | |
1611 | int val = -1; | |
1612 | const char *v; | |
1613 | ||
dae6c322 CC |
1614 | /* Hack for test programs like test-dump-untracked-cache */ |
1615 | if (ignore_untracked_cache_config) | |
1616 | return -1; | |
1617 | ||
435ec090 CC |
1618 | if (!git_config_get_maybe_bool("core.untrackedcache", &val)) |
1619 | return val; | |
1620 | ||
1621 | if (!git_config_get_value("core.untrackedcache", &v)) { | |
1622 | if (!strcasecmp(v, "keep")) | |
1623 | return -1; | |
1624 | ||
1625 | error("unknown core.untrackedCache value '%s'; " | |
1626 | "using 'keep' default value", v); | |
1627 | return -1; | |
1628 | } | |
1629 | ||
1630 | return -1; /* default value */ | |
1631 | } | |
1632 | ||
5a80e97c TA |
1633 | NORETURN |
1634 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
1635 | { | |
1636 | if (!filename) | |
1637 | die(_("unable to parse '%s' from command-line config"), key); | |
1638 | else | |
1639 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
1640 | key, filename, linenr); | |
1641 | } | |
1642 | ||
1643 | NORETURN __attribute__((format(printf, 2, 3))) | |
1644 | void git_die_config(const char *key, const char *err, ...) | |
1645 | { | |
1646 | const struct string_list *values; | |
1647 | struct key_value_info *kv_info; | |
1648 | ||
1649 | if (err) { | |
1650 | va_list params; | |
1651 | va_start(params, err); | |
1652 | vreportf("error: ", err, params); | |
1653 | va_end(params); | |
1654 | } | |
1655 | values = git_config_get_value_multi(key); | |
1656 | kv_info = values->items[values->nr - 1].util; | |
1657 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
1658 | } |
1659 | ||
10bea152 JS |
1660 | /* |
1661 | * Find all the stuff for git_config_set() below. | |
1662 | */ | |
4ddba79d | 1663 | |
10bea152 JS |
1664 | static struct { |
1665 | int baselen; | |
4b25d091 | 1666 | char *key; |
f98d863d | 1667 | int do_not_match; |
4b25d091 | 1668 | regex_t *value_regex; |
4ddba79d | 1669 | int multi_replace; |
83786fa4 TR |
1670 | size_t *offset; |
1671 | unsigned int offset_alloc; | |
10bea152 JS |
1672 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
1673 | int seen; | |
1674 | } store; | |
1675 | ||
4b25d091 | 1676 | static int matches(const char *key, const char *value) |
f98d863d | 1677 | { |
c1063be2 JK |
1678 | if (strcmp(key, store.key)) |
1679 | return 0; /* not ours */ | |
1680 | if (!store.value_regex) | |
1681 | return 1; /* always matches */ | |
1682 | if (store.value_regex == CONFIG_REGEX_NONE) | |
1683 | return 0; /* never matches */ | |
1684 | ||
1685 | return store.do_not_match ^ | |
1686 | (value && !regexec(store.value_regex, value, 0, NULL, 0)); | |
f98d863d JS |
1687 | } |
1688 | ||
4b25d091 | 1689 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 1690 | { |
ae9ee41d JH |
1691 | const char *ep; |
1692 | size_t section_len; | |
1693 | ||
10bea152 JS |
1694 | switch (store.state) { |
1695 | case KEY_SEEN: | |
f98d863d | 1696 | if (matches(key, value)) { |
4ddba79d | 1697 | if (store.seen == 1 && store.multi_replace == 0) { |
8262aaa2 | 1698 | warning(_("%s has multiple values"), key); |
10bea152 | 1699 | } |
4ddba79d | 1700 | |
83786fa4 TR |
1701 | ALLOC_GROW(store.offset, store.seen + 1, |
1702 | store.offset_alloc); | |
1703 | ||
49d6cfa5 | 1704 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1705 | store.seen++; |
1706 | } | |
1707 | break; | |
1708 | case SECTION_SEEN: | |
ae9ee41d JH |
1709 | /* |
1710 | * What we are looking for is in store.key (both | |
1711 | * section and var), and its section part is baselen | |
1712 | * long. We found key (again, both section and var). | |
1713 | * We would want to know if this key is in the same | |
1714 | * section as what we are looking for. We already | |
1715 | * know we are in the same section as what should | |
1716 | * hold store.key. | |
1717 | */ | |
1718 | ep = strrchr(key, '.'); | |
1719 | section_len = ep - key; | |
1720 | ||
1721 | if ((section_len != store.baselen) || | |
1722 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
1723 | store.state = SECTION_END_SEEN; |
1724 | break; | |
ae9ee41d JH |
1725 | } |
1726 | ||
1727 | /* | |
1728 | * Do not increment matches: this is no match, but we | |
1729 | * just made sure we are in the desired section. | |
1730 | */ | |
83786fa4 TR |
1731 | ALLOC_GROW(store.offset, store.seen + 1, |
1732 | store.offset_alloc); | |
49d6cfa5 | 1733 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1734 | /* fallthru */ |
1735 | case SECTION_END_SEEN: | |
1736 | case START: | |
f98d863d | 1737 | if (matches(key, value)) { |
83786fa4 TR |
1738 | ALLOC_GROW(store.offset, store.seen + 1, |
1739 | store.offset_alloc); | |
49d6cfa5 | 1740 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1741 | store.state = KEY_SEEN; |
1742 | store.seen++; | |
d14f7764 LT |
1743 | } else { |
1744 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 1745 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 1746 | store.state = SECTION_SEEN; |
83786fa4 TR |
1747 | ALLOC_GROW(store.offset, |
1748 | store.seen + 1, | |
1749 | store.offset_alloc); | |
49d6cfa5 | 1750 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 1751 | } |
bdf0ef08 | 1752 | } |
10bea152 JS |
1753 | } |
1754 | return 0; | |
1755 | } | |
1756 | ||
64c0d71c | 1757 | static int write_error(const char *filename) |
480c9e52 | 1758 | { |
64c0d71c | 1759 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
1760 | |
1761 | /* Same error code as "failed to rename". */ | |
1762 | return 4; | |
1763 | } | |
1764 | ||
4b25d091 | 1765 | static int store_write_section(int fd, const char *key) |
10bea152 | 1766 | { |
cb891a59 KH |
1767 | const char *dot; |
1768 | int i, success; | |
f285a2d7 | 1769 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 1770 | |
cb891a59 | 1771 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 1772 | if (dot) { |
cb891a59 KH |
1773 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
1774 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 1775 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
1776 | strbuf_addch(&sb, '\\'); |
1777 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 1778 | } |
cb891a59 KH |
1779 | strbuf_addstr(&sb, "\"]\n"); |
1780 | } else { | |
1781 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
1782 | } |
1783 | ||
cb891a59 KH |
1784 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
1785 | strbuf_release(&sb); | |
480c9e52 | 1786 | |
cb891a59 | 1787 | return success; |
10bea152 JS |
1788 | } |
1789 | ||
4b25d091 | 1790 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 1791 | { |
cb891a59 KH |
1792 | int i, success; |
1793 | int length = strlen(key + store.baselen + 1); | |
1794 | const char *quote = ""; | |
f285a2d7 | 1795 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 1796 | |
6281f394 JM |
1797 | /* |
1798 | * Check to see if the value needs to be surrounded with a dq pair. | |
1799 | * Note that problematic characters are always backslash-quoted; this | |
1800 | * check is about not losing leading or trailing SP and strings that | |
1801 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
1802 | * configuration parser. | |
1803 | */ | |
cdd4fb15 | 1804 | if (value[0] == ' ') |
cb891a59 | 1805 | quote = "\""; |
cdd4fb15 BG |
1806 | for (i = 0; value[i]; i++) |
1807 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
1808 | quote = "\""; |
1809 | if (i && value[i - 1] == ' ') | |
1810 | quote = "\""; | |
1811 | ||
cb891a59 KH |
1812 | strbuf_addf(&sb, "\t%.*s = %s", |
1813 | length, key + store.baselen + 1, quote); | |
10bea152 | 1814 | |
10bea152 JS |
1815 | for (i = 0; value[i]; i++) |
1816 | switch (value[i]) { | |
480c9e52 | 1817 | case '\n': |
cb891a59 | 1818 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
1819 | break; |
1820 | case '\t': | |
cb891a59 | 1821 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
1822 | break; |
1823 | case '"': | |
1824 | case '\\': | |
cb891a59 | 1825 | strbuf_addch(&sb, '\\'); |
480c9e52 | 1826 | default: |
cb891a59 | 1827 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
1828 | break; |
1829 | } | |
cb891a59 KH |
1830 | strbuf_addf(&sb, "%s\n", quote); |
1831 | ||
1832 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
1833 | strbuf_release(&sb); | |
1834 | ||
1835 | return success; | |
10bea152 JS |
1836 | } |
1837 | ||
4b25d091 FC |
1838 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
1839 | size_t offset_, int *found_bracket) | |
4ddba79d | 1840 | { |
dc49cd76 SP |
1841 | size_t equal_offset = size, bracket_offset = size; |
1842 | ssize_t offset; | |
4ddba79d | 1843 | |
7a31cc0f | 1844 | contline: |
a6080a0a | 1845 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
1846 | && contents[offset] != '\n'; offset--) |
1847 | switch (contents[offset]) { | |
1848 | case '=': equal_offset = offset; break; | |
1849 | case ']': bracket_offset = offset; break; | |
1850 | } | |
7a31cc0f FL |
1851 | if (offset > 0 && contents[offset-1] == '\\') { |
1852 | offset_ = offset; | |
1853 | goto contline; | |
1854 | } | |
4ddba79d JS |
1855 | if (bracket_offset < equal_offset) { |
1856 | *found_bracket = 1; | |
1857 | offset = bracket_offset+1; | |
1858 | } else | |
1859 | offset++; | |
1860 | ||
1861 | return offset; | |
1862 | } | |
1863 | ||
30598ad0 PS |
1864 | int git_config_set_in_file_gently(const char *config_filename, |
1865 | const char *key, const char *value) | |
5ec31182 | 1866 | { |
30598ad0 | 1867 | return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); |
5ec31182 RR |
1868 | } |
1869 | ||
3d180648 PS |
1870 | void git_config_set_in_file(const char *config_filename, |
1871 | const char *key, const char *value) | |
10bea152 | 1872 | { |
3d180648 | 1873 | git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); |
b4c8aba6 PS |
1874 | } |
1875 | ||
30598ad0 | 1876 | int git_config_set_gently(const char *key, const char *value) |
10bea152 | 1877 | { |
30598ad0 | 1878 | return git_config_set_multivar_gently(key, value, NULL, 0); |
10bea152 JS |
1879 | } |
1880 | ||
3d180648 | 1881 | void git_config_set(const char *key, const char *value) |
b4c8aba6 | 1882 | { |
3d180648 | 1883 | git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
1884 | } |
1885 | ||
b09c53a3 LP |
1886 | /* |
1887 | * Auxiliary function to sanity-check and split the key into the section | |
1888 | * identifier and variable name. | |
1889 | * | |
1890 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
1891 | * -2 if there is no section name in the key. | |
1892 | * | |
1893 | * store_key - pointer to char* which will hold a copy of the key with | |
1894 | * lowercase section and variable name | |
1895 | * baselen - pointer to int which will hold the length of the | |
1896 | * section + subsection part, can be NULL | |
1897 | */ | |
9e9de18f | 1898 | static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet) |
b09c53a3 LP |
1899 | { |
1900 | int i, dot, baselen; | |
1901 | const char *last_dot = strrchr(key, '.'); | |
1902 | ||
1903 | /* | |
1904 | * Since "key" actually contains the section name and the real | |
1905 | * key name separated by a dot, we have to know where the dot is. | |
1906 | */ | |
1907 | ||
2169ddc0 | 1908 | if (last_dot == NULL || last_dot == key) { |
9e9de18f JK |
1909 | if (!quiet) |
1910 | error("key does not contain a section: %s", key); | |
7a397419 | 1911 | return -CONFIG_NO_SECTION_OR_NAME; |
b09c53a3 LP |
1912 | } |
1913 | ||
2169ddc0 | 1914 | if (!last_dot[1]) { |
9e9de18f JK |
1915 | if (!quiet) |
1916 | error("key does not contain variable name: %s", key); | |
7a397419 | 1917 | return -CONFIG_NO_SECTION_OR_NAME; |
2169ddc0 LP |
1918 | } |
1919 | ||
b09c53a3 LP |
1920 | baselen = last_dot - key; |
1921 | if (baselen_) | |
1922 | *baselen_ = baselen; | |
1923 | ||
1924 | /* | |
1925 | * Validate the key and while at it, lower case it for matching. | |
1926 | */ | |
9e9de18f | 1927 | if (store_key) |
3733e694 | 1928 | *store_key = xmallocz(strlen(key)); |
b09c53a3 LP |
1929 | |
1930 | dot = 0; | |
1931 | for (i = 0; key[i]; i++) { | |
1932 | unsigned char c = key[i]; | |
1933 | if (c == '.') | |
1934 | dot = 1; | |
1935 | /* Leave the extended basename untouched.. */ | |
1936 | if (!dot || i > baselen) { | |
1937 | if (!iskeychar(c) || | |
1938 | (i == baselen + 1 && !isalpha(c))) { | |
9e9de18f JK |
1939 | if (!quiet) |
1940 | error("invalid key: %s", key); | |
b09c53a3 LP |
1941 | goto out_free_ret_1; |
1942 | } | |
1943 | c = tolower(c); | |
1944 | } else if (c == '\n') { | |
9e9de18f JK |
1945 | if (!quiet) |
1946 | error("invalid key (newline): %s", key); | |
b09c53a3 LP |
1947 | goto out_free_ret_1; |
1948 | } | |
9e9de18f JK |
1949 | if (store_key) |
1950 | (*store_key)[i] = c; | |
b09c53a3 | 1951 | } |
b09c53a3 LP |
1952 | |
1953 | return 0; | |
1954 | ||
1955 | out_free_ret_1: | |
9e9de18f JK |
1956 | if (store_key) { |
1957 | free(*store_key); | |
1958 | *store_key = NULL; | |
1959 | } | |
7a397419 | 1960 | return -CONFIG_INVALID_KEY; |
b09c53a3 LP |
1961 | } |
1962 | ||
9e9de18f JK |
1963 | int git_config_parse_key(const char *key, char **store_key, int *baselen) |
1964 | { | |
1965 | return git_config_parse_key_1(key, store_key, baselen, 0); | |
1966 | } | |
1967 | ||
1968 | int git_config_key_is_valid(const char *key) | |
1969 | { | |
1970 | return !git_config_parse_key_1(key, NULL, NULL, 1); | |
1971 | } | |
1972 | ||
10bea152 JS |
1973 | /* |
1974 | * If value==NULL, unset in (remove from) config, | |
1975 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
c1063be2 JK |
1976 | * if value_regex==CONFIG_REGEX_NONE, do not match any existing values |
1977 | * (only add a new one) | |
4ddba79d JS |
1978 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
1979 | * else all matching key/values (regardless how many) are removed, | |
1980 | * before the new pair is written. | |
10bea152 JS |
1981 | * |
1982 | * Returns 0 on success. | |
1983 | * | |
1984 | * This function does this: | |
1985 | * | |
1986 | * - it locks the config file by creating ".git/config.lock" | |
1987 | * | |
1988 | * - it then parses the config using store_aux() as validator to find | |
1989 | * the position on the key/value pair to replace. If it is to be unset, | |
1990 | * it must be found exactly once. | |
1991 | * | |
1992 | * - the config file is mmap()ed and the part before the match (if any) is | |
1993 | * written to the lock file, then the changed part and the rest. | |
1994 | * | |
1995 | * - the config file is removed and the lock file rename()d to it. | |
1996 | * | |
1997 | */ | |
30598ad0 PS |
1998 | int git_config_set_multivar_in_file_gently(const char *config_filename, |
1999 | const char *key, const char *value, | |
2000 | const char *value_regex, | |
2001 | int multi_replace) | |
10bea152 | 2002 | { |
54d160ec | 2003 | int fd = -1, in_fd = -1; |
dafc88b1 | 2004 | int ret; |
6cbf973c | 2005 | struct lock_file *lock = NULL; |
0a5f5759 | 2006 | char *filename_buf = NULL; |
3a1b3126 JK |
2007 | char *contents = NULL; |
2008 | size_t contents_sz; | |
4ddba79d | 2009 | |
b09c53a3 LP |
2010 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
2011 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
2012 | if (ret) | |
dafc88b1 | 2013 | goto out_free; |
b17e659d JS |
2014 | |
2015 | store.multi_replace = multi_replace; | |
10bea152 | 2016 | |
0a5f5759 JK |
2017 | if (!config_filename) |
2018 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
2019 | |
2020 | /* | |
6cbf973c | 2021 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
2022 | * contents of .git/config will be written into it. |
2023 | */ | |
f1064f6b | 2024 | lock = xcalloc(1, sizeof(struct lock_file)); |
6cbf973c BS |
2025 | fd = hold_lock_file_for_update(lock, config_filename, 0); |
2026 | if (fd < 0) { | |
6ffd567b | 2027 | error("could not lock config file %s: %s", config_filename, strerror(errno)); |
10bea152 | 2028 | free(store.key); |
7a397419 | 2029 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 2030 | goto out_free; |
10bea152 JS |
2031 | } |
2032 | ||
2033 | /* | |
2034 | * If .git/config does not exist yet, write a minimal version. | |
2035 | */ | |
88fb958b AR |
2036 | in_fd = open(config_filename, O_RDONLY); |
2037 | if ( in_fd < 0 ) { | |
10bea152 JS |
2038 | free(store.key); |
2039 | ||
88fb958b AR |
2040 | if ( ENOENT != errno ) { |
2041 | error("opening %s: %s", config_filename, | |
2042 | strerror(errno)); | |
7a397419 | 2043 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 2044 | goto out_free; |
88fb958b | 2045 | } |
10bea152 JS |
2046 | /* if nothing to unset, error out */ |
2047 | if (value == NULL) { | |
7a397419 | 2048 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2049 | goto out_free; |
10bea152 JS |
2050 | } |
2051 | ||
4b25d091 | 2052 | store.key = (char *)key; |
480c9e52 | 2053 | if (!store_write_section(fd, key) || |
93c1e079 JH |
2054 | !store_write_pair(fd, key, value)) |
2055 | goto write_err_out; | |
2056 | } else { | |
88fb958b | 2057 | struct stat st; |
3a1b3126 | 2058 | size_t copy_begin, copy_end; |
dc49cd76 | 2059 | int i, new_line = 0; |
10bea152 JS |
2060 | |
2061 | if (value_regex == NULL) | |
2062 | store.value_regex = NULL; | |
c1063be2 JK |
2063 | else if (value_regex == CONFIG_REGEX_NONE) |
2064 | store.value_regex = CONFIG_REGEX_NONE; | |
10bea152 | 2065 | else { |
f98d863d JS |
2066 | if (value_regex[0] == '!') { |
2067 | store.do_not_match = 1; | |
2068 | value_regex++; | |
2069 | } else | |
2070 | store.do_not_match = 0; | |
2071 | ||
2d7320d0 | 2072 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
2073 | if (regcomp(store.value_regex, value_regex, |
2074 | REG_EXTENDED)) { | |
64c0d71c | 2075 | error("invalid pattern: %s", value_regex); |
10bea152 | 2076 | free(store.value_regex); |
7a397419 | 2077 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2078 | goto out_free; |
10bea152 JS |
2079 | } |
2080 | } | |
2081 | ||
83786fa4 | 2082 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 2083 | store.offset[0] = 0; |
10bea152 JS |
2084 | store.state = START; |
2085 | store.seen = 0; | |
2086 | ||
2087 | /* | |
2088 | * After this, store.offset will contain the *end* offset | |
2089 | * of the last match, or remain at 0 if no match was found. | |
2090 | * As a side effect, we make sure to transform only a valid | |
2091 | * existing config file. | |
2092 | */ | |
ef90d6d4 | 2093 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 2094 | error("invalid config file %s", config_filename); |
10bea152 | 2095 | free(store.key); |
c1063be2 JK |
2096 | if (store.value_regex != NULL && |
2097 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2098 | regfree(store.value_regex); |
2099 | free(store.value_regex); | |
2100 | } | |
7a397419 | 2101 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 2102 | goto out_free; |
10bea152 JS |
2103 | } |
2104 | ||
2105 | free(store.key); | |
c1063be2 JK |
2106 | if (store.value_regex != NULL && |
2107 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2108 | regfree(store.value_regex); |
2109 | free(store.value_regex); | |
2110 | } | |
2111 | ||
4ddba79d JS |
2112 | /* if nothing to unset, or too many matches, error out */ |
2113 | if ((store.seen == 0 && value == NULL) || | |
2114 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 2115 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2116 | goto out_free; |
10bea152 JS |
2117 | } |
2118 | ||
88fb958b | 2119 | fstat(in_fd, &st); |
dc49cd76 | 2120 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
2121 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
2122 | MAP_PRIVATE, in_fd, 0); | |
2123 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
2124 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
2125 | errno = EISDIR; | |
1570856b JK |
2126 | error("unable to mmap '%s': %s", |
2127 | config_filename, strerror(errno)); | |
2128 | ret = CONFIG_INVALID_FILE; | |
2129 | contents = NULL; | |
2130 | goto out_free; | |
2131 | } | |
10bea152 | 2132 | close(in_fd); |
54d160ec | 2133 | in_fd = -1; |
10bea152 | 2134 | |
b4fb09e4 | 2135 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
2569d239 | 2136 | error("chmod on %s failed: %s", |
b4fb09e4 | 2137 | get_lock_file_path(lock), strerror(errno)); |
daa22c6f EW |
2138 | ret = CONFIG_NO_WRITE; |
2139 | goto out_free; | |
2140 | } | |
2141 | ||
4ddba79d JS |
2142 | if (store.seen == 0) |
2143 | store.seen = 1; | |
2144 | ||
2145 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
2146 | if (store.offset[i] == 0) { | |
dc49cd76 | 2147 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
2148 | } else if (store.state != KEY_SEEN) { |
2149 | copy_end = store.offset[i]; | |
10bea152 | 2150 | } else |
4ddba79d | 2151 | copy_end = find_beginning_of_line( |
dc49cd76 | 2152 | contents, contents_sz, |
4ddba79d JS |
2153 | store.offset[i]-2, &new_line); |
2154 | ||
02e5ba4a JK |
2155 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
2156 | new_line = 1; | |
2157 | ||
4ddba79d JS |
2158 | /* write the first part of the config */ |
2159 | if (copy_end > copy_begin) { | |
93c1e079 JH |
2160 | if (write_in_full(fd, contents + copy_begin, |
2161 | copy_end - copy_begin) < | |
2162 | copy_end - copy_begin) | |
2163 | goto write_err_out; | |
2164 | if (new_line && | |
2b7ca830 | 2165 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 2166 | goto write_err_out; |
4ddba79d JS |
2167 | } |
2168 | copy_begin = store.offset[i]; | |
10bea152 JS |
2169 | } |
2170 | ||
10bea152 JS |
2171 | /* write the pair (value == NULL means unset) */ |
2172 | if (value != NULL) { | |
93c1e079 JH |
2173 | if (store.state == START) { |
2174 | if (!store_write_section(fd, key)) | |
2175 | goto write_err_out; | |
480c9e52 | 2176 | } |
93c1e079 JH |
2177 | if (!store_write_pair(fd, key, value)) |
2178 | goto write_err_out; | |
10bea152 JS |
2179 | } |
2180 | ||
2181 | /* write the rest of the config */ | |
dc49cd76 | 2182 | if (copy_begin < contents_sz) |
93c1e079 | 2183 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
2184 | contents_sz - copy_begin) < |
2185 | contents_sz - copy_begin) | |
93c1e079 | 2186 | goto write_err_out; |
7a64592c KB |
2187 | |
2188 | munmap(contents, contents_sz); | |
2189 | contents = NULL; | |
10bea152 JS |
2190 | } |
2191 | ||
4ed7cd3a | 2192 | if (commit_lock_file(lock) < 0) { |
08a3651f SG |
2193 | error("could not write config file %s: %s", config_filename, |
2194 | strerror(errno)); | |
7a397419 | 2195 | ret = CONFIG_NO_WRITE; |
e831855e | 2196 | lock = NULL; |
dafc88b1 | 2197 | goto out_free; |
10bea152 JS |
2198 | } |
2199 | ||
6cbf973c BS |
2200 | /* |
2201 | * lock is committed, so don't try to roll it back below. | |
2202 | * NOTE: Since lockfile.c keeps a linked list of all created | |
2203 | * lock_file structures, it isn't safe to free(lock). It's | |
2204 | * better to just leave it hanging around. | |
2205 | */ | |
2206 | lock = NULL; | |
dafc88b1 SH |
2207 | ret = 0; |
2208 | ||
3c8687a7 TA |
2209 | /* Invalidate the config cache */ |
2210 | git_config_clear(); | |
2211 | ||
dafc88b1 | 2212 | out_free: |
6cbf973c BS |
2213 | if (lock) |
2214 | rollback_lock_file(lock); | |
0a5f5759 | 2215 | free(filename_buf); |
3a1b3126 JK |
2216 | if (contents) |
2217 | munmap(contents, contents_sz); | |
54d160ec SS |
2218 | if (in_fd >= 0) |
2219 | close(in_fd); | |
dafc88b1 | 2220 | return ret; |
93c1e079 JH |
2221 | |
2222 | write_err_out: | |
b4fb09e4 | 2223 | ret = write_error(get_lock_file_path(lock)); |
93c1e079 JH |
2224 | goto out_free; |
2225 | ||
10bea152 JS |
2226 | } |
2227 | ||
3d180648 PS |
2228 | void git_config_set_multivar_in_file(const char *config_filename, |
2229 | const char *key, const char *value, | |
2230 | const char *value_regex, int multi_replace) | |
b4c8aba6 | 2231 | { |
30598ad0 PS |
2232 | if (git_config_set_multivar_in_file_gently(config_filename, key, value, |
2233 | value_regex, multi_replace) < 0) | |
b4c8aba6 PS |
2234 | die(_("Could not set '%s' to '%s'"), key, value); |
2235 | } | |
2236 | ||
30598ad0 PS |
2237 | int git_config_set_multivar_gently(const char *key, const char *value, |
2238 | const char *value_regex, int multi_replace) | |
5ec31182 | 2239 | { |
30598ad0 PS |
2240 | return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex, |
2241 | multi_replace); | |
5ec31182 RR |
2242 | } |
2243 | ||
3d180648 PS |
2244 | void git_config_set_multivar(const char *key, const char *value, |
2245 | const char *value_regex, int multi_replace) | |
5ec31182 | 2246 | { |
3d180648 PS |
2247 | git_config_set_multivar_in_file(NULL, key, value, value_regex, |
2248 | multi_replace); | |
5ec31182 RR |
2249 | } |
2250 | ||
118f8b24 PB |
2251 | static int section_name_match (const char *buf, const char *name) |
2252 | { | |
2253 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
2254 | if (buf[i] != '[') |
2255 | return 0; | |
2256 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
2257 | if (!dot && isspace(buf[i])) { |
2258 | dot = 1; | |
2259 | if (name[j++] != '.') | |
2260 | break; | |
2261 | for (i++; isspace(buf[i]); i++) | |
2262 | ; /* do nothing */ | |
2263 | if (buf[i] != '"') | |
2264 | break; | |
2265 | continue; | |
2266 | } | |
2267 | if (buf[i] == '\\' && dot) | |
2268 | i++; | |
2269 | else if (buf[i] == '"' && dot) { | |
2270 | for (i++; isspace(buf[i]); i++) | |
2271 | ; /* do_nothing */ | |
2272 | break; | |
2273 | } | |
2274 | if (buf[i] != name[j++]) | |
2275 | break; | |
2276 | } | |
a4c0d463 AV |
2277 | if (buf[i] == ']' && name[j] == 0) { |
2278 | /* | |
2279 | * We match, now just find the right length offset by | |
2280 | * gobbling up any whitespace after it, as well | |
2281 | */ | |
2282 | i++; | |
2283 | for (; buf[i] && isspace(buf[i]); i++) | |
2284 | ; /* do nothing */ | |
2285 | return i; | |
2286 | } | |
2287 | return 0; | |
118f8b24 PB |
2288 | } |
2289 | ||
94a35b1a JK |
2290 | static int section_name_is_ok(const char *name) |
2291 | { | |
2292 | /* Empty section names are bogus. */ | |
2293 | if (!*name) | |
2294 | return 0; | |
2295 | ||
2296 | /* | |
2297 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
2298 | * anything goes, so we can stop checking. | |
2299 | */ | |
2300 | for (; *name && *name != '.'; name++) | |
2301 | if (*name != '-' && !isalnum(*name)) | |
2302 | return 0; | |
2303 | return 1; | |
2304 | } | |
2305 | ||
118f8b24 | 2306 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
2307 | int git_config_rename_section_in_file(const char *config_filename, |
2308 | const char *old_name, const char *new_name) | |
0667fcfb | 2309 | { |
118f8b24 | 2310 | int ret = 0, remove = 0; |
42bd39b5 | 2311 | char *filename_buf = NULL; |
94a35b1a | 2312 | struct lock_file *lock; |
0667fcfb JS |
2313 | int out_fd; |
2314 | char buf[1024]; | |
924aaf3e | 2315 | FILE *config_file; |
daa22c6f | 2316 | struct stat st; |
0667fcfb | 2317 | |
94a35b1a JK |
2318 | if (new_name && !section_name_is_ok(new_name)) { |
2319 | ret = error("invalid section name: %s", new_name); | |
2320 | goto out; | |
2321 | } | |
2322 | ||
42bd39b5 JK |
2323 | if (!config_filename) |
2324 | config_filename = filename_buf = git_pathdup("config"); | |
2325 | ||
f1064f6b | 2326 | lock = xcalloc(1, sizeof(struct lock_file)); |
0667fcfb | 2327 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 2328 | if (out_fd < 0) { |
64c0d71c | 2329 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
2330 | goto out; |
2331 | } | |
0667fcfb | 2332 | |
fc1905bb | 2333 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc GB |
2334 | /* no config file means nothing to rename, no error */ |
2335 | goto unlock_and_out; | |
fc1905bb | 2336 | } |
0667fcfb | 2337 | |
daa22c6f EW |
2338 | fstat(fileno(config_file), &st); |
2339 | ||
b4fb09e4 | 2340 | if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) { |
2569d239 | 2341 | ret = error("chmod on %s failed: %s", |
b4fb09e4 | 2342 | get_lock_file_path(lock), strerror(errno)); |
daa22c6f EW |
2343 | goto out; |
2344 | } | |
2345 | ||
0667fcfb JS |
2346 | while (fgets(buf, sizeof(buf), config_file)) { |
2347 | int i; | |
480c9e52 | 2348 | int length; |
9a5abfc7 | 2349 | char *output = buf; |
0667fcfb JS |
2350 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
2351 | ; /* do nothing */ | |
2352 | if (buf[i] == '[') { | |
2353 | /* it's a section */ | |
a4c0d463 AV |
2354 | int offset = section_name_match(&buf[i], old_name); |
2355 | if (offset > 0) { | |
118f8b24 PB |
2356 | ret++; |
2357 | if (new_name == NULL) { | |
2358 | remove = 1; | |
0667fcfb JS |
2359 | continue; |
2360 | } | |
0667fcfb | 2361 | store.baselen = strlen(new_name); |
480c9e52 | 2362 | if (!store_write_section(out_fd, new_name)) { |
b4fb09e4 | 2363 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2364 | goto out; |
2365 | } | |
9a5abfc7 AV |
2366 | /* |
2367 | * We wrote out the new section, with | |
2368 | * a newline, now skip the old | |
2369 | * section's length | |
2370 | */ | |
2371 | output += offset + i; | |
2372 | if (strlen(output) > 0) { | |
2373 | /* | |
2374 | * More content means there's | |
2375 | * a declaration to put on the | |
2376 | * next line; indent with a | |
2377 | * tab | |
2378 | */ | |
2379 | output -= 1; | |
2380 | output[0] = '\t'; | |
2381 | } | |
0667fcfb | 2382 | } |
118f8b24 | 2383 | remove = 0; |
0667fcfb | 2384 | } |
118f8b24 PB |
2385 | if (remove) |
2386 | continue; | |
9a5abfc7 AV |
2387 | length = strlen(output); |
2388 | if (write_in_full(out_fd, output, length) != length) { | |
b4fb09e4 | 2389 | ret = write_error(get_lock_file_path(lock)); |
480c9e52 AW |
2390 | goto out; |
2391 | } | |
0667fcfb | 2392 | } |
fc1905bb | 2393 | fclose(config_file); |
8b590075 | 2394 | unlock_and_out: |
4ed7cd3a | 2395 | if (commit_lock_file(lock) < 0) |
08a3651f SG |
2396 | ret = error("could not write config file %s: %s", |
2397 | config_filename, strerror(errno)); | |
8b590075 | 2398 | out: |
42bd39b5 | 2399 | free(filename_buf); |
0667fcfb JS |
2400 | return ret; |
2401 | } | |
40ea4ed9 | 2402 | |
42bd39b5 JK |
2403 | int git_config_rename_section(const char *old_name, const char *new_name) |
2404 | { | |
4a7bb5ba | 2405 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
2406 | } |
2407 | ||
40ea4ed9 JH |
2408 | /* |
2409 | * Call this to report error for your variable that should not | |
2410 | * get a boolean value (i.e. "[my] var" means "true"). | |
2411 | */ | |
a469a101 | 2412 | #undef config_error_nonbool |
40ea4ed9 JH |
2413 | int config_error_nonbool(const char *var) |
2414 | { | |
2415 | return error("Missing value for '%s'", var); | |
2416 | } | |
1b86bbb0 JK |
2417 | |
2418 | int parse_config_key(const char *var, | |
2419 | const char *section, | |
2420 | const char **subsection, int *subsection_len, | |
2421 | const char **key) | |
2422 | { | |
2423 | int section_len = strlen(section); | |
2424 | const char *dot; | |
2425 | ||
2426 | /* Does it start with "section." ? */ | |
59556548 | 2427 | if (!starts_with(var, section) || var[section_len] != '.') |
1b86bbb0 JK |
2428 | return -1; |
2429 | ||
2430 | /* | |
2431 | * Find the key; we don't know yet if we have a subsection, but we must | |
2432 | * parse backwards from the end, since the subsection may have dots in | |
2433 | * it, too. | |
2434 | */ | |
2435 | dot = strrchr(var, '.'); | |
2436 | *key = dot + 1; | |
2437 | ||
2438 | /* Did we have a subsection at all? */ | |
2439 | if (dot == var + section_len) { | |
2440 | *subsection = NULL; | |
2441 | *subsection_len = 0; | |
2442 | } | |
2443 | else { | |
2444 | *subsection = var + section_len + 1; | |
2445 | *subsection_len = dot - *subsection; | |
2446 | } | |
2447 | ||
2448 | return 0; | |
2449 | } | |
473166b9 LS |
2450 | |
2451 | const char *current_config_origin_type(void) | |
2452 | { | |
2453 | return cf && cf->origin_type ? cf->origin_type : "command line"; | |
2454 | } | |
2455 | ||
2456 | const char *current_config_name(void) | |
2457 | { | |
2458 | return cf && cf->name ? cf->name : ""; | |
2459 | } |