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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; |
924aaf3e | 27 | const char *name; |
d14d4244 | 28 | const char *path; |
b2dc0945 | 29 | int die_on_error; |
924aaf3e RJ |
30 | int linenr; |
31 | int eof; | |
32 | struct strbuf value; | |
0971e992 | 33 | struct strbuf var; |
924aaf3e | 34 | |
49d6cfa5 JK |
35 | int (*do_fgetc)(struct config_source *c); |
36 | int (*do_ungetc)(int c, struct config_source *conf); | |
37 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
38 | }; |
39 | ||
40 | static struct config_source *cf; | |
924aaf3e | 41 | |
960ccca6 DH |
42 | static int zlib_compression_seen; |
43 | ||
3c8687a7 TA |
44 | /* |
45 | * Default config_set that contains key-value pairs from the usual set of config | |
46 | * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG | |
47 | * config file and the global /etc/gitconfig) | |
48 | */ | |
49 | static struct config_set the_config_set; | |
50 | ||
4d8dd149 HV |
51 | static int config_file_fgetc(struct config_source *conf) |
52 | { | |
53 | return fgetc(conf->u.file); | |
54 | } | |
55 | ||
56 | static int config_file_ungetc(int c, struct config_source *conf) | |
57 | { | |
58 | return ungetc(c, conf->u.file); | |
59 | } | |
60 | ||
61 | static long config_file_ftell(struct config_source *conf) | |
62 | { | |
63 | return ftell(conf->u.file); | |
64 | } | |
65 | ||
1bc88819 HV |
66 | |
67 | static int config_buf_fgetc(struct config_source *conf) | |
68 | { | |
69 | if (conf->u.buf.pos < conf->u.buf.len) | |
70 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
71 | ||
72 | return EOF; | |
73 | } | |
74 | ||
75 | static int config_buf_ungetc(int c, struct config_source *conf) | |
76 | { | |
1d0655c1 JK |
77 | if (conf->u.buf.pos > 0) { |
78 | conf->u.buf.pos--; | |
79 | if (conf->u.buf.buf[conf->u.buf.pos] != c) | |
80 | die("BUG: config_buf can only ungetc the same character"); | |
81 | return c; | |
82 | } | |
1bc88819 HV |
83 | |
84 | return EOF; | |
85 | } | |
86 | ||
87 | static long config_buf_ftell(struct config_source *conf) | |
88 | { | |
89 | return conf->u.buf.pos; | |
90 | } | |
91 | ||
9b25a0b5 JK |
92 | #define MAX_INCLUDE_DEPTH 10 |
93 | static const char include_depth_advice[] = | |
94 | "exceeded maximum include depth (%d) while including\n" | |
95 | " %s\n" | |
96 | "from\n" | |
97 | " %s\n" | |
98 | "Do you have circular includes?"; | |
99 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
100 | { | |
101 | int ret = 0; | |
102 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 103 | char *expanded; |
4c0a89fc | 104 | |
67beb600 JK |
105 | if (!path) |
106 | return config_error_nonbool("include.path"); | |
107 | ||
108 | expanded = expand_user_path(path); | |
4c0a89fc JK |
109 | if (!expanded) |
110 | return error("Could not expand include path '%s'", path); | |
111 | path = expanded; | |
9b25a0b5 JK |
112 | |
113 | /* | |
114 | * Use an absolute path as-is, but interpret relative paths | |
115 | * based on the including config file. | |
116 | */ | |
117 | if (!is_absolute_path(path)) { | |
118 | char *slash; | |
119 | ||
d14d4244 | 120 | if (!cf || !cf->path) |
9b25a0b5 JK |
121 | return error("relative config includes must come from files"); |
122 | ||
d14d4244 | 123 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 124 | if (slash) |
d14d4244 | 125 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
126 | strbuf_addstr(&buf, path); |
127 | path = buf.buf; | |
128 | } | |
129 | ||
4698c8fe | 130 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
131 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
132 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
133 | cf && cf->name ? cf->name : "the command line"); | |
134 | ret = git_config_from_file(git_config_include, path, inc); | |
135 | inc->depth--; | |
136 | } | |
137 | strbuf_release(&buf); | |
4c0a89fc | 138 | free(expanded); |
9b25a0b5 JK |
139 | return ret; |
140 | } | |
141 | ||
142 | int git_config_include(const char *var, const char *value, void *data) | |
143 | { | |
144 | struct config_include_data *inc = data; | |
9b25a0b5 JK |
145 | int ret; |
146 | ||
147 | /* | |
148 | * Pass along all values, including "include" directives; this makes it | |
149 | * possible to query information on the includes themselves. | |
150 | */ | |
151 | ret = inc->fn(var, value, inc->data); | |
152 | if (ret < 0) | |
153 | return ret; | |
154 | ||
37007c3a | 155 | if (!strcmp(var, "include.path")) |
9b25a0b5 JK |
156 | ret = handle_path_include(value, inc); |
157 | return ret; | |
158 | } | |
159 | ||
2b64fc89 JK |
160 | void git_config_push_parameter(const char *text) |
161 | { | |
162 | struct strbuf env = STRBUF_INIT; | |
163 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
164 | if (old) { | |
165 | strbuf_addstr(&env, old); | |
166 | strbuf_addch(&env, ' '); | |
167 | } | |
168 | sq_quote_buf(&env, text); | |
169 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
170 | strbuf_release(&env); | |
171 | } | |
172 | ||
2496844b JK |
173 | int git_config_parse_parameter(const char *text, |
174 | config_fn_t fn, void *data) | |
8b1fa778 | 175 | { |
a789ca70 | 176 | const char *value; |
572e4f6a | 177 | struct strbuf **pair; |
a789ca70 | 178 | |
f77bccae | 179 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
180 | if (!pair[0]) |
181 | return error("bogus config parameter: %s", text); | |
a789ca70 JH |
182 | |
183 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') { | |
572e4f6a | 184 | strbuf_setlen(pair[0], pair[0]->len - 1); |
a789ca70 JH |
185 | value = pair[1] ? pair[1]->buf : ""; |
186 | } else { | |
187 | value = NULL; | |
188 | } | |
189 | ||
572e4f6a AR |
190 | strbuf_trim(pair[0]); |
191 | if (!pair[0]->len) { | |
192 | strbuf_list_free(pair); | |
06eb708f | 193 | return error("bogus config parameter: %s", text); |
8b1fa778 | 194 | } |
ffb20ce1 | 195 | strbuf_tolower(pair[0]); |
a789ca70 | 196 | if (fn(pair[0]->buf, value, data) < 0) { |
06eb708f JK |
197 | strbuf_list_free(pair); |
198 | return -1; | |
572e4f6a AR |
199 | } |
200 | strbuf_list_free(pair); | |
8b1fa778 AR |
201 | return 0; |
202 | } | |
203 | ||
06eb708f JK |
204 | int git_config_from_parameters(config_fn_t fn, void *data) |
205 | { | |
2b64fc89 JK |
206 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
207 | char *envw; | |
208 | const char **argv = NULL; | |
209 | int nr = 0, alloc = 0; | |
210 | int i; | |
211 | ||
212 | if (!env) | |
213 | return 0; | |
214 | /* sq_dequote will write over it */ | |
215 | envw = xstrdup(env); | |
216 | ||
217 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
218 | free(envw); | |
219 | return error("bogus format in " CONFIG_DATA_ENVIRONMENT); | |
220 | } | |
221 | ||
222 | for (i = 0; i < nr; i++) { | |
06eb708f | 223 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
2b64fc89 JK |
224 | free(argv); |
225 | free(envw); | |
226 | return -1; | |
227 | } | |
228 | } | |
229 | ||
230 | free(argv); | |
231 | free(envw); | |
06eb708f | 232 | return nr > 0; |
2b64fc89 JK |
233 | } |
234 | ||
17712991 LT |
235 | static int get_next_char(void) |
236 | { | |
49d6cfa5 | 237 | int c = cf->do_fgetc(cf); |
17712991 | 238 | |
dbb9a812 HV |
239 | if (c == '\r') { |
240 | /* DOS like systems */ | |
49d6cfa5 | 241 | c = cf->do_fgetc(cf); |
dbb9a812 | 242 | if (c != '\n') { |
5e0be134 JK |
243 | if (c != EOF) |
244 | cf->do_ungetc(c, cf); | |
dbb9a812 | 245 | c = '\r'; |
17712991 LT |
246 | } |
247 | } | |
dbb9a812 HV |
248 | if (c == '\n') |
249 | cf->linenr++; | |
250 | if (c == EOF) { | |
251 | cf->eof = 1; | |
b3b3f60b | 252 | cf->linenr++; |
dbb9a812 HV |
253 | c = '\n'; |
254 | } | |
17712991 LT |
255 | return c; |
256 | } | |
257 | ||
258 | static char *parse_value(void) | |
259 | { | |
e96c19c5 | 260 | int quote = 0, comment = 0, space = 0; |
17712991 | 261 | |
924aaf3e | 262 | strbuf_reset(&cf->value); |
17712991 LT |
263 | for (;;) { |
264 | int c = get_next_char(); | |
17712991 | 265 | if (c == '\n') { |
4b340593 MS |
266 | if (quote) { |
267 | cf->linenr--; | |
17712991 | 268 | return NULL; |
4b340593 | 269 | } |
924aaf3e | 270 | return cf->value.buf; |
17712991 LT |
271 | } |
272 | if (comment) | |
273 | continue; | |
274 | if (isspace(c) && !quote) { | |
924aaf3e | 275 | if (cf->value.len) |
ebdaae37 | 276 | space++; |
17712991 LT |
277 | continue; |
278 | } | |
7ebdba61 JS |
279 | if (!quote) { |
280 | if (c == ';' || c == '#') { | |
281 | comment = 1; | |
282 | continue; | |
283 | } | |
284 | } | |
ebdaae37 | 285 | for (; space; space--) |
924aaf3e | 286 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
287 | if (c == '\\') { |
288 | c = get_next_char(); | |
289 | switch (c) { | |
290 | case '\n': | |
291 | continue; | |
292 | case 't': | |
293 | c = '\t'; | |
294 | break; | |
295 | case 'b': | |
296 | c = '\b'; | |
297 | break; | |
298 | case 'n': | |
299 | c = '\n'; | |
300 | break; | |
5cbb401d LT |
301 | /* Some characters escape as themselves */ |
302 | case '\\': case '"': | |
303 | break; | |
304 | /* Reject unknown escape sequences */ | |
305 | default: | |
306 | return NULL; | |
17712991 | 307 | } |
924aaf3e | 308 | strbuf_addch(&cf->value, c); |
17712991 LT |
309 | continue; |
310 | } | |
311 | if (c == '"') { | |
312 | quote = 1-quote; | |
313 | continue; | |
314 | } | |
924aaf3e | 315 | strbuf_addch(&cf->value, c); |
17712991 LT |
316 | } |
317 | } | |
318 | ||
38c5afa8 LT |
319 | static inline int iskeychar(int c) |
320 | { | |
321 | return isalnum(c) || c == '-'; | |
322 | } | |
323 | ||
0971e992 | 324 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
325 | { |
326 | int c; | |
327 | char *value; | |
b3b3f60b | 328 | int ret; |
17712991 LT |
329 | |
330 | /* Get the full name */ | |
331 | for (;;) { | |
332 | c = get_next_char(); | |
924aaf3e | 333 | if (cf->eof) |
17712991 | 334 | break; |
38c5afa8 | 335 | if (!iskeychar(c)) |
17712991 | 336 | break; |
0971e992 | 337 | strbuf_addch(name, tolower(c)); |
17712991 | 338 | } |
0971e992 | 339 | |
17712991 LT |
340 | while (c == ' ' || c == '\t') |
341 | c = get_next_char(); | |
342 | ||
343 | value = NULL; | |
344 | if (c != '\n') { | |
345 | if (c != '=') | |
346 | return -1; | |
347 | value = parse_value(); | |
348 | if (!value) | |
349 | return -1; | |
350 | } | |
b3b3f60b MM |
351 | /* |
352 | * We already consumed the \n, but we need linenr to point to | |
353 | * the line we just parsed during the call to fn to get | |
354 | * accurate line number in error messages. | |
355 | */ | |
356 | cf->linenr--; | |
357 | ret = fn(name->buf, value, data); | |
358 | cf->linenr++; | |
359 | return ret; | |
17712991 LT |
360 | } |
361 | ||
0971e992 | 362 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
363 | { |
364 | do { | |
365 | if (c == '\n') | |
4b340593 | 366 | goto error_incomplete_line; |
d14f7764 LT |
367 | c = get_next_char(); |
368 | } while (isspace(c)); | |
369 | ||
370 | /* We require the format to be '[base "extension"]' */ | |
371 | if (c != '"') | |
372 | return -1; | |
0971e992 | 373 | strbuf_addch(name, '.'); |
d14f7764 LT |
374 | |
375 | for (;;) { | |
376 | int c = get_next_char(); | |
377 | if (c == '\n') | |
4b340593 | 378 | goto error_incomplete_line; |
d14f7764 LT |
379 | if (c == '"') |
380 | break; | |
381 | if (c == '\\') { | |
382 | c = get_next_char(); | |
383 | if (c == '\n') | |
4b340593 | 384 | goto error_incomplete_line; |
d14f7764 | 385 | } |
0971e992 | 386 | strbuf_addch(name, c); |
d14f7764 LT |
387 | } |
388 | ||
389 | /* Final ']' */ | |
390 | if (get_next_char() != ']') | |
391 | return -1; | |
0971e992 | 392 | return 0; |
4b340593 MS |
393 | error_incomplete_line: |
394 | cf->linenr--; | |
395 | return -1; | |
d14f7764 LT |
396 | } |
397 | ||
0971e992 | 398 | static int get_base_var(struct strbuf *name) |
17712991 | 399 | { |
17712991 LT |
400 | for (;;) { |
401 | int c = get_next_char(); | |
924aaf3e | 402 | if (cf->eof) |
17712991 LT |
403 | return -1; |
404 | if (c == ']') | |
0971e992 | 405 | return 0; |
d14f7764 | 406 | if (isspace(c)) |
0971e992 | 407 | return get_extended_base_var(name, c); |
38c5afa8 | 408 | if (!iskeychar(c) && c != '.') |
17712991 | 409 | return -1; |
0971e992 | 410 | strbuf_addch(name, tolower(c)); |
17712991 LT |
411 | } |
412 | } | |
413 | ||
4d8dd149 | 414 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
415 | { |
416 | int comment = 0; | |
417 | int baselen = 0; | |
0971e992 | 418 | struct strbuf *var = &cf->var; |
17712991 | 419 | |
de056402 | 420 | /* U+FEFF Byte Order Mark in UTF8 */ |
599446dc | 421 | const char *bomptr = utf8_bom; |
de056402 | 422 | |
17712991 LT |
423 | for (;;) { |
424 | int c = get_next_char(); | |
de056402 PB |
425 | if (bomptr && *bomptr) { |
426 | /* We are at the file beginning; skip UTF8-encoded BOM | |
427 | * if present. Sane editors won't put this in on their | |
428 | * own, but e.g. Windows Notepad will do it happily. */ | |
599446dc | 429 | if (c == (*bomptr & 0377)) { |
de056402 PB |
430 | bomptr++; |
431 | continue; | |
432 | } else { | |
433 | /* Do not tolerate partial BOM. */ | |
434 | if (bomptr != utf8_bom) | |
435 | break; | |
436 | /* No BOM at file beginning. Cool. */ | |
437 | bomptr = NULL; | |
438 | } | |
439 | } | |
17712991 | 440 | if (c == '\n') { |
924aaf3e | 441 | if (cf->eof) |
17712991 LT |
442 | return 0; |
443 | comment = 0; | |
444 | continue; | |
445 | } | |
446 | if (comment || isspace(c)) | |
447 | continue; | |
448 | if (c == '#' || c == ';') { | |
449 | comment = 1; | |
450 | continue; | |
451 | } | |
452 | if (c == '[') { | |
0971e992 BW |
453 | /* Reset prior to determining a new stem */ |
454 | strbuf_reset(var); | |
455 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 456 | break; |
0971e992 BW |
457 | strbuf_addch(var, '.'); |
458 | baselen = var->len; | |
17712991 LT |
459 | continue; |
460 | } | |
461 | if (!isalpha(c)) | |
462 | break; | |
0971e992 BW |
463 | /* |
464 | * Truncate the var name back to the section header | |
465 | * stem prior to grabbing the suffix part of the name | |
466 | * and the value. | |
467 | */ | |
468 | strbuf_setlen(var, baselen); | |
469 | strbuf_addch(var, tolower(c)); | |
470 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
471 | break; |
472 | } | |
b2dc0945 | 473 | if (cf->die_on_error) |
8262aaa2 | 474 | die(_("bad config file line %d in %s"), cf->linenr, cf->name); |
b2dc0945 | 475 | else |
8262aaa2 | 476 | return error(_("bad config file line %d in %s"), cf->linenr, cf->name); |
17712991 LT |
477 | } |
478 | ||
ebaa1bd4 | 479 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
480 | { |
481 | if (!*end) | |
482 | return 1; | |
c8deb5a1 SP |
483 | else if (!strcasecmp(end, "k")) { |
484 | *val *= 1024; | |
485 | return 1; | |
486 | } | |
487 | else if (!strcasecmp(end, "m")) { | |
488 | *val *= 1024 * 1024; | |
489 | return 1; | |
490 | } | |
491 | else if (!strcasecmp(end, "g")) { | |
492 | *val *= 1024 * 1024 * 1024; | |
493 | return 1; | |
494 | } | |
495 | return 0; | |
0b87b6e0 BD |
496 | } |
497 | ||
7192777d | 498 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
499 | { |
500 | if (value && *value) { | |
501 | char *end; | |
ebaa1bd4 NA |
502 | intmax_t val; |
503 | uintmax_t uval; | |
504 | uintmax_t factor = 1; | |
505 | ||
506 | errno = 0; | |
507 | val = strtoimax(value, &end, 0); | |
508 | if (errno == ERANGE) | |
509 | return 0; | |
33fdd77e JK |
510 | if (!parse_unit_factor(end, &factor)) { |
511 | errno = EINVAL; | |
c8deb5a1 | 512 | return 0; |
33fdd77e | 513 | } |
83915ba5 | 514 | uval = labs(val); |
ebaa1bd4 | 515 | uval *= factor; |
83915ba5 | 516 | if (uval > max || labs(val) > uval) { |
33fdd77e | 517 | errno = ERANGE; |
ebaa1bd4 | 518 | return 0; |
33fdd77e | 519 | } |
ebaa1bd4 NA |
520 | val *= factor; |
521 | *ret = val; | |
0b87b6e0 BD |
522 | return 1; |
523 | } | |
33fdd77e | 524 | errno = EINVAL; |
0b87b6e0 BD |
525 | return 0; |
526 | } | |
527 | ||
0b4dc661 | 528 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
529 | { |
530 | if (value && *value) { | |
531 | char *end; | |
ebaa1bd4 NA |
532 | uintmax_t val; |
533 | uintmax_t oldval; | |
534 | ||
535 | errno = 0; | |
536 | val = strtoumax(value, &end, 0); | |
537 | if (errno == ERANGE) | |
538 | return 0; | |
539 | oldval = val; | |
33fdd77e JK |
540 | if (!parse_unit_factor(end, &val)) { |
541 | errno = EINVAL; | |
c8deb5a1 | 542 | return 0; |
33fdd77e JK |
543 | } |
544 | if (val > max || oldval > val) { | |
545 | errno = ERANGE; | |
ebaa1bd4 | 546 | return 0; |
33fdd77e | 547 | } |
c8deb5a1 | 548 | *ret = val; |
0b87b6e0 | 549 | return 1; |
17712991 | 550 | } |
33fdd77e | 551 | errno = EINVAL; |
0b87b6e0 BD |
552 | return 0; |
553 | } | |
554 | ||
42d194e9 | 555 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 556 | { |
7192777d | 557 | intmax_t tmp; |
42d194e9 | 558 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
559 | return 0; |
560 | *ret = tmp; | |
561 | return 1; | |
562 | } | |
563 | ||
00160242 JK |
564 | static int git_parse_int64(const char *value, int64_t *ret) |
565 | { | |
566 | intmax_t tmp; | |
567 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
568 | return 0; | |
569 | *ret = tmp; | |
570 | return 1; | |
571 | } | |
572 | ||
7192777d JK |
573 | int git_parse_ulong(const char *value, unsigned long *ret) |
574 | { | |
575 | uintmax_t tmp; | |
576 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
577 | return 0; | |
578 | *ret = tmp; | |
579 | return 1; | |
580 | } | |
581 | ||
06bdc23b | 582 | NORETURN |
2f666581 | 583 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 584 | { |
2f666581 JK |
585 | const char *reason = errno == ERANGE ? |
586 | "out of range" : | |
587 | "invalid unit"; | |
588 | if (!value) | |
589 | value = ""; | |
590 | ||
924aaf3e | 591 | if (cf && cf->name) |
8262aaa2 | 592 | die(_("bad numeric config value '%s' for '%s' in %s: %s"), |
2f666581 | 593 | value, name, cf->name, reason); |
8262aaa2 | 594 | die(_("bad numeric config value '%s' for '%s': %s"), value, name, reason); |
c1867cea JK |
595 | } |
596 | ||
0b87b6e0 BD |
597 | int git_config_int(const char *name, const char *value) |
598 | { | |
42d194e9 JK |
599 | int ret; |
600 | if (!git_parse_int(value, &ret)) | |
2f666581 | 601 | die_bad_number(name, value); |
0b87b6e0 BD |
602 | return ret; |
603 | } | |
604 | ||
00160242 JK |
605 | int64_t git_config_int64(const char *name, const char *value) |
606 | { | |
607 | int64_t ret; | |
608 | if (!git_parse_int64(value, &ret)) | |
609 | die_bad_number(name, value); | |
0b87b6e0 BD |
610 | return ret; |
611 | } | |
612 | ||
613 | unsigned long git_config_ulong(const char *name, const char *value) | |
614 | { | |
615 | unsigned long ret; | |
616 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 617 | die_bad_number(name, value); |
0b87b6e0 | 618 | return ret; |
17712991 LT |
619 | } |
620 | ||
b2be2f6a | 621 | static int git_config_maybe_bool_text(const char *name, const char *value) |
17712991 LT |
622 | { |
623 | if (!value) | |
624 | return 1; | |
625 | if (!*value) | |
626 | return 0; | |
8420ccd8 JH |
627 | if (!strcasecmp(value, "true") |
628 | || !strcasecmp(value, "yes") | |
629 | || !strcasecmp(value, "on")) | |
17712991 | 630 | return 1; |
8420ccd8 JH |
631 | if (!strcasecmp(value, "false") |
632 | || !strcasecmp(value, "no") | |
633 | || !strcasecmp(value, "off")) | |
17712991 | 634 | return 0; |
8420ccd8 JH |
635 | return -1; |
636 | } | |
637 | ||
b2be2f6a JK |
638 | int git_config_maybe_bool(const char *name, const char *value) |
639 | { | |
42d194e9 | 640 | int v = git_config_maybe_bool_text(name, value); |
b2be2f6a JK |
641 | if (0 <= v) |
642 | return v; | |
42d194e9 | 643 | if (git_parse_int(value, &v)) |
db6195ef | 644 | return !!v; |
b2be2f6a JK |
645 | return -1; |
646 | } | |
647 | ||
8420ccd8 JH |
648 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
649 | { | |
b2be2f6a | 650 | int v = git_config_maybe_bool_text(name, value); |
8420ccd8 JH |
651 | if (0 <= v) { |
652 | *is_bool = 1; | |
653 | return v; | |
654 | } | |
a53f2ec6 | 655 | *is_bool = 0; |
c35b0b58 | 656 | return git_config_int(name, value); |
17712991 LT |
657 | } |
658 | ||
a53f2ec6 JH |
659 | int git_config_bool(const char *name, const char *value) |
660 | { | |
661 | int discard; | |
c35b0b58 | 662 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
663 | } |
664 | ||
ea5105a5 CC |
665 | int git_config_string(const char **dest, const char *var, const char *value) |
666 | { | |
667 | if (!value) | |
668 | return config_error_nonbool(var); | |
669 | *dest = xstrdup(value); | |
670 | return 0; | |
671 | } | |
672 | ||
395de250 MM |
673 | int git_config_pathname(const char **dest, const char *var, const char *value) |
674 | { | |
675 | if (!value) | |
676 | return config_error_nonbool(var); | |
677 | *dest = expand_user_path(value); | |
678 | if (!*dest) | |
8262aaa2 | 679 | die(_("failed to expand user dir in: '%s'"), value); |
395de250 MM |
680 | return 0; |
681 | } | |
682 | ||
806e2ad7 | 683 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
684 | { |
685 | /* This needs a better name */ | |
686 | if (!strcmp(var, "core.filemode")) { | |
687 | trust_executable_bit = git_config_bool(var, value); | |
688 | return 0; | |
689 | } | |
1ce4790b AR |
690 | if (!strcmp(var, "core.trustctime")) { |
691 | trust_ctime = git_config_bool(var, value); | |
692 | return 0; | |
693 | } | |
c1b5d738 | 694 | if (!strcmp(var, "core.checkstat")) { |
c08e4d5b RR |
695 | if (!strcasecmp(value, "default")) |
696 | check_stat = 1; | |
697 | else if (!strcasecmp(value, "minimal")) | |
698 | check_stat = 0; | |
699 | } | |
17712991 | 700 | |
9378c161 JH |
701 | if (!strcmp(var, "core.quotepath")) { |
702 | quote_path_fully = git_config_bool(var, value); | |
703 | return 0; | |
704 | } | |
705 | ||
78a8d641 JS |
706 | if (!strcmp(var, "core.symlinks")) { |
707 | has_symlinks = git_config_bool(var, value); | |
708 | return 0; | |
709 | } | |
710 | ||
0a9b88b7 LT |
711 | if (!strcmp(var, "core.ignorecase")) { |
712 | ignore_case = git_config_bool(var, value); | |
713 | return 0; | |
714 | } | |
715 | ||
64589a03 JH |
716 | if (!strcmp(var, "core.attributesfile")) |
717 | return git_config_pathname(&git_attributes_file, var, value); | |
718 | ||
7d1864ce JH |
719 | if (!strcmp(var, "core.bare")) { |
720 | is_bare_repository_cfg = git_config_bool(var, value); | |
721 | return 0; | |
722 | } | |
723 | ||
5f73076c JH |
724 | if (!strcmp(var, "core.ignorestat")) { |
725 | assume_unchanged = git_config_bool(var, value); | |
726 | return 0; | |
727 | } | |
728 | ||
e388c738 JH |
729 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
730 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
731 | return 0; |
732 | } | |
733 | ||
6de08ae6 SP |
734 | if (!strcmp(var, "core.logallrefupdates")) { |
735 | log_all_ref_updates = git_config_bool(var, value); | |
736 | return 0; | |
737 | } | |
738 | ||
2f8acdb3 JH |
739 | if (!strcmp(var, "core.warnambiguousrefs")) { |
740 | warn_ambiguous_refs = git_config_bool(var, value); | |
741 | return 0; | |
742 | } | |
743 | ||
a71f09fe | 744 | if (!strcmp(var, "core.abbrev")) { |
dce96489 LT |
745 | int abbrev = git_config_int(var, value); |
746 | if (abbrev < minimum_abbrev || abbrev > 40) | |
747 | return -1; | |
748 | default_abbrev = abbrev; | |
749 | return 0; | |
750 | } | |
751 | ||
960ccca6 | 752 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
753 | int level = git_config_int(var, value); |
754 | if (level == -1) | |
755 | level = Z_DEFAULT_COMPRESSION; | |
756 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 757 | die(_("bad zlib compression level %d"), level); |
12f6c308 | 758 | zlib_compression_level = level; |
960ccca6 DH |
759 | zlib_compression_seen = 1; |
760 | return 0; | |
761 | } | |
762 | ||
763 | if (!strcmp(var, "core.compression")) { | |
764 | int level = git_config_int(var, value); | |
765 | if (level == -1) | |
766 | level = Z_DEFAULT_COMPRESSION; | |
767 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
8262aaa2 | 768 | die(_("bad zlib compression level %d"), level); |
960ccca6 DH |
769 | core_compression_level = level; |
770 | core_compression_seen = 1; | |
771 | if (!zlib_compression_seen) | |
772 | zlib_compression_level = level; | |
12f6c308 JBH |
773 | return 0; |
774 | } | |
775 | ||
60bb8b14 | 776 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 777 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 778 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
779 | |
780 | /* This value must be multiple of (pagesize * 2) */ | |
781 | packed_git_window_size /= pgsz_x2; | |
782 | if (packed_git_window_size < 1) | |
783 | packed_git_window_size = 1; | |
784 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
785 | return 0; |
786 | } | |
787 | ||
15366280 | 788 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 789 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
790 | return 0; |
791 | } | |
792 | ||
77ccc5bb | 793 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 794 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
795 | return 0; |
796 | } | |
797 | ||
18bdec11 | 798 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 799 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
800 | return 0; |
801 | } | |
802 | ||
6c510bee | 803 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 804 | if (value && !strcasecmp(value, "input")) { |
ec70f52f | 805 | if (core_eol == EOL_CRLF) |
942e7747 | 806 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
fd6cce9e | 807 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
808 | return 0; |
809 | } | |
6c510bee LT |
810 | auto_crlf = git_config_bool(var, value); |
811 | return 0; | |
812 | } | |
813 | ||
21e5ad50 SP |
814 | if (!strcmp(var, "core.safecrlf")) { |
815 | if (value && !strcasecmp(value, "warn")) { | |
816 | safe_crlf = SAFE_CRLF_WARN; | |
817 | return 0; | |
818 | } | |
819 | safe_crlf = git_config_bool(var, value); | |
820 | return 0; | |
821 | } | |
822 | ||
942e7747 EB |
823 | if (!strcmp(var, "core.eol")) { |
824 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 825 | core_eol = EOL_LF; |
942e7747 | 826 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 827 | core_eol = EOL_CRLF; |
942e7747 | 828 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 829 | core_eol = EOL_NATIVE; |
942e7747 | 830 | else |
ec70f52f JH |
831 | core_eol = EOL_UNSET; |
832 | if (core_eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT) | |
942e7747 EB |
833 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
834 | return 0; | |
835 | } | |
836 | ||
a97a7468 JS |
837 | if (!strcmp(var, "core.notesref")) { |
838 | notes_ref_name = xstrdup(value); | |
839 | return 0; | |
840 | } | |
841 | ||
806e2ad7 LT |
842 | if (!strcmp(var, "core.pager")) |
843 | return git_config_string(&pager_program, var, value); | |
844 | ||
845 | if (!strcmp(var, "core.editor")) | |
846 | return git_config_string(&editor_program, var, value); | |
847 | ||
eff80a9f | 848 | if (!strcmp(var, "core.commentchar")) { |
649409b7 JK |
849 | if (!value) |
850 | return config_error_nonbool(var); | |
ad524f83 | 851 | else if (!strcasecmp(value, "auto")) |
84c9dc2c | 852 | auto_comment_line_char = 1; |
ad524f83 | 853 | else if (value[0] && !value[1]) { |
649409b7 | 854 | comment_line_char = value[0]; |
84c9dc2c | 855 | auto_comment_line_char = 0; |
50b54fd7 NTND |
856 | } else |
857 | return error("core.commentChar should only be one character"); | |
858 | return 0; | |
eff80a9f JH |
859 | } |
860 | ||
d3e7da89 AK |
861 | if (!strcmp(var, "core.askpass")) |
862 | return git_config_string(&askpass_program, var, value); | |
863 | ||
806e2ad7 | 864 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 865 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
866 | |
867 | if (!strcmp(var, "core.whitespace")) { | |
868 | if (!value) | |
869 | return config_error_nonbool(var); | |
870 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
871 | return 0; | |
872 | } | |
873 | ||
aafe9fba LT |
874 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
875 | fsync_object_files = git_config_bool(var, value); | |
876 | return 0; | |
877 | } | |
878 | ||
671c9b7e LT |
879 | if (!strcmp(var, "core.preloadindex")) { |
880 | core_preload_index = git_config_bool(var, value); | |
881 | return 0; | |
882 | } | |
883 | ||
348df166 JS |
884 | if (!strcmp(var, "core.createobject")) { |
885 | if (!strcmp(value, "rename")) | |
886 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
887 | else if (!strcmp(value, "link")) | |
888 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
889 | else | |
8262aaa2 | 890 | die(_("invalid mode for object creation: %s"), value); |
be66a6c4 JS |
891 | return 0; |
892 | } | |
893 | ||
08aefc9e NTND |
894 | if (!strcmp(var, "core.sparsecheckout")) { |
895 | core_apply_sparse_checkout = git_config_bool(var, value); | |
896 | return 0; | |
897 | } | |
898 | ||
76759c7d TB |
899 | if (!strcmp(var, "core.precomposeunicode")) { |
900 | precomposed_unicode = git_config_bool(var, value); | |
901 | return 0; | |
902 | } | |
903 | ||
a42643aa JK |
904 | if (!strcmp(var, "core.protecthfs")) { |
905 | protect_hfs = git_config_bool(var, value); | |
906 | return 0; | |
907 | } | |
908 | ||
2b4c6efc JS |
909 | if (!strcmp(var, "core.protectntfs")) { |
910 | protect_ntfs = git_config_bool(var, value); | |
911 | return 0; | |
76759c7d TB |
912 | } |
913 | ||
806e2ad7 LT |
914 | /* Add other config variables here and to Documentation/config.txt. */ |
915 | return 0; | |
916 | } | |
917 | ||
1141f492 | 918 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 919 | { |
ea5105a5 CC |
920 | if (!strcmp(var, "i18n.commitencoding")) |
921 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 922 | |
ea5105a5 CC |
923 | if (!strcmp(var, "i18n.logoutputencoding")) |
924 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 925 | |
1141f492 LT |
926 | /* Add other config variables here and to Documentation/config.txt. */ |
927 | return 0; | |
928 | } | |
039bc64e | 929 | |
1141f492 LT |
930 | static int git_default_branch_config(const char *var, const char *value) |
931 | { | |
9ed36cfa JS |
932 | if (!strcmp(var, "branch.autosetupmerge")) { |
933 | if (value && !strcasecmp(value, "always")) { | |
934 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
935 | return 0; | |
936 | } | |
937 | git_branch_track = git_config_bool(var, value); | |
938 | return 0; | |
939 | } | |
c998ae9b DS |
940 | if (!strcmp(var, "branch.autosetuprebase")) { |
941 | if (!value) | |
942 | return config_error_nonbool(var); | |
943 | else if (!strcmp(value, "never")) | |
944 | autorebase = AUTOREBASE_NEVER; | |
945 | else if (!strcmp(value, "local")) | |
946 | autorebase = AUTOREBASE_LOCAL; | |
947 | else if (!strcmp(value, "remote")) | |
948 | autorebase = AUTOREBASE_REMOTE; | |
949 | else if (!strcmp(value, "always")) | |
950 | autorebase = AUTOREBASE_ALWAYS; | |
951 | else | |
952 | return error("Malformed value for %s", var); | |
953 | return 0; | |
954 | } | |
a9cc857a | 955 | |
1ab661dd | 956 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
957 | return 0; |
958 | } | |
959 | ||
52153747 FAG |
960 | static int git_default_push_config(const char *var, const char *value) |
961 | { | |
962 | if (!strcmp(var, "push.default")) { | |
963 | if (!value) | |
964 | return config_error_nonbool(var); | |
965 | else if (!strcmp(value, "nothing")) | |
966 | push_default = PUSH_DEFAULT_NOTHING; | |
967 | else if (!strcmp(value, "matching")) | |
968 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
969 | else if (!strcmp(value, "simple")) |
970 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
971 | else if (!strcmp(value, "upstream")) |
972 | push_default = PUSH_DEFAULT_UPSTREAM; | |
973 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
974 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
975 | else if (!strcmp(value, "current")) |
976 | push_default = PUSH_DEFAULT_CURRENT; | |
977 | else { | |
978 | error("Malformed value for %s: %s", var, value); | |
b55e6775 MM |
979 | return error("Must be one of nothing, matching, simple, " |
980 | "upstream or current."); | |
52153747 FAG |
981 | } |
982 | return 0; | |
983 | } | |
984 | ||
985 | /* Add other config variables here and to Documentation/config.txt. */ | |
986 | return 0; | |
987 | } | |
988 | ||
d551a488 MSO |
989 | static int git_default_mailmap_config(const char *var, const char *value) |
990 | { | |
991 | if (!strcmp(var, "mailmap.file")) | |
9352fd57 | 992 | return git_config_pathname(&git_mailmap_file, var, value); |
08610900 JK |
993 | if (!strcmp(var, "mailmap.blob")) |
994 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
995 | |
996 | /* Add other config variables here and to Documentation/config.txt. */ | |
997 | return 0; | |
998 | } | |
999 | ||
1141f492 LT |
1000 | int git_default_config(const char *var, const char *value, void *dummy) |
1001 | { | |
59556548 | 1002 | if (starts_with(var, "core.")) |
1141f492 LT |
1003 | return git_default_core_config(var, value); |
1004 | ||
59556548 | 1005 | if (starts_with(var, "user.")) |
9597921b | 1006 | return git_ident_config(var, value, dummy); |
1141f492 | 1007 | |
59556548 | 1008 | if (starts_with(var, "i18n.")) |
1141f492 LT |
1009 | return git_default_i18n_config(var, value); |
1010 | ||
59556548 | 1011 | if (starts_with(var, "branch.")) |
1141f492 LT |
1012 | return git_default_branch_config(var, value); |
1013 | ||
59556548 | 1014 | if (starts_with(var, "push.")) |
52153747 FAG |
1015 | return git_default_push_config(var, value); |
1016 | ||
59556548 | 1017 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
1018 | return git_default_mailmap_config(var, value); |
1019 | ||
59556548 | 1020 | if (starts_with(var, "advice.")) |
75194438 JK |
1021 | return git_default_advice_config(var, value); |
1022 | ||
1141f492 LT |
1023 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
1024 | pager_use_color = git_config_bool(var,value); | |
1025 | return 0; | |
1026 | } | |
1027 | ||
568508e7 JH |
1028 | if (!strcmp(var, "pack.packsizelimit")) { |
1029 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1030 | return 0; | |
1031 | } | |
1141f492 LT |
1032 | /* Add other config variables here and to Documentation/config.txt. */ |
1033 | return 0; | |
1034 | } | |
1035 | ||
ca4b5de2 | 1036 | /* |
b2dc0945 | 1037 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1038 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1039 | * this function. |
1040 | */ | |
4d8dd149 | 1041 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1042 | { |
1043 | int ret; | |
1044 | ||
1045 | /* push config-file parsing state stack */ | |
1046 | top->prev = cf; | |
1047 | top->linenr = 1; | |
1048 | top->eof = 0; | |
1049 | strbuf_init(&top->value, 1024); | |
1050 | strbuf_init(&top->var, 1024); | |
1051 | cf = top; | |
1052 | ||
4d8dd149 | 1053 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1054 | |
1055 | /* pop config-file parsing state stack */ | |
1056 | strbuf_release(&top->value); | |
1057 | strbuf_release(&top->var); | |
1058 | cf = top->prev; | |
1059 | ||
1060 | return ret; | |
1061 | } | |
1062 | ||
3caec73b KS |
1063 | static int do_config_from_file(config_fn_t fn, |
1064 | const char *name, const char *path, FILE *f, void *data) | |
17712991 | 1065 | { |
3caec73b | 1066 | struct config_source top; |
17712991 | 1067 | |
3caec73b KS |
1068 | top.u.file = f; |
1069 | top.name = name; | |
1070 | top.path = path; | |
1071 | top.die_on_error = 1; | |
1072 | top.do_fgetc = config_file_fgetc; | |
1073 | top.do_ungetc = config_file_ungetc; | |
1074 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1075 | |
3caec73b KS |
1076 | return do_config_from(&top, fn, data); |
1077 | } | |
924aaf3e | 1078 | |
3caec73b KS |
1079 | static int git_config_from_stdin(config_fn_t fn, void *data) |
1080 | { | |
1081 | return do_config_from_file(fn, "<stdin>", NULL, stdin, data); | |
1082 | } | |
1083 | ||
1084 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) | |
1085 | { | |
1086 | int ret = -1; | |
1087 | FILE *f; | |
924aaf3e | 1088 | |
3caec73b KS |
1089 | f = fopen(filename, "r"); |
1090 | if (f) { | |
1091 | ret = do_config_from_file(fn, filename, filename, f, data); | |
17712991 LT |
1092 | fclose(f); |
1093 | } | |
1094 | return ret; | |
1095 | } | |
10bea152 | 1096 | |
1bc88819 HV |
1097 | int git_config_from_buf(config_fn_t fn, const char *name, const char *buf, |
1098 | size_t len, void *data) | |
1099 | { | |
1100 | struct config_source top; | |
1101 | ||
1102 | top.u.buf.buf = buf; | |
1103 | top.u.buf.len = len; | |
1104 | top.u.buf.pos = 0; | |
1105 | top.name = name; | |
d14d4244 | 1106 | top.path = NULL; |
b2dc0945 | 1107 | top.die_on_error = 0; |
49d6cfa5 JK |
1108 | top.do_fgetc = config_buf_fgetc; |
1109 | top.do_ungetc = config_buf_ungetc; | |
1110 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1111 | |
1112 | return do_config_from(&top, fn, data); | |
1113 | } | |
1114 | ||
1115 | static int git_config_from_blob_sha1(config_fn_t fn, | |
1116 | const char *name, | |
1117 | const unsigned char *sha1, | |
1118 | void *data) | |
1119 | { | |
1120 | enum object_type type; | |
1121 | char *buf; | |
1122 | unsigned long size; | |
1123 | int ret; | |
1124 | ||
1125 | buf = read_sha1_file(sha1, &type, &size); | |
1126 | if (!buf) | |
1127 | return error("unable to load config blob object '%s'", name); | |
1128 | if (type != OBJ_BLOB) { | |
1129 | free(buf); | |
1130 | return error("reference '%s' does not point to a blob", name); | |
1131 | } | |
1132 | ||
1133 | ret = git_config_from_buf(fn, name, buf, size, data); | |
1134 | free(buf); | |
1135 | ||
1136 | return ret; | |
1137 | } | |
1138 | ||
1139 | static int git_config_from_blob_ref(config_fn_t fn, | |
1140 | const char *name, | |
1141 | void *data) | |
1142 | { | |
1143 | unsigned char sha1[20]; | |
1144 | ||
1145 | if (get_sha1(name, sha1) < 0) | |
1146 | return error("unable to resolve config blob '%s'", name); | |
1147 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1148 | } | |
1149 | ||
506b17b1 JS |
1150 | const char *git_etc_gitconfig(void) |
1151 | { | |
7f0e39fa | 1152 | static const char *system_wide; |
2de9de5e SP |
1153 | if (!system_wide) |
1154 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1155 | return system_wide; |
506b17b1 JS |
1156 | } |
1157 | ||
23b0c478 SP |
1158 | /* |
1159 | * Parse environment variable 'k' as a boolean (in various | |
1160 | * possible spellings); if missing, use the default value 'def'. | |
1161 | */ | |
0ef37164 | 1162 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1163 | { |
1164 | const char *v = getenv(k); | |
1165 | return v ? git_config_bool(k, v) : def; | |
1166 | } | |
1167 | ||
23b0c478 SP |
1168 | /* |
1169 | * Parse environment variable 'k' as ulong with possibly a unit | |
1170 | * suffix; if missing, use the default value 'val'. | |
1171 | */ | |
1172 | unsigned long git_env_ulong(const char *k, unsigned long val) | |
1173 | { | |
1174 | const char *v = getenv(k); | |
1175 | if (v && !git_parse_ulong(v, &val)) | |
1176 | die("failed to parse %s", k); | |
1177 | return val; | |
1178 | } | |
1179 | ||
ab88c363 JK |
1180 | int git_config_system(void) |
1181 | { | |
1182 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1183 | } | |
1184 | ||
dbdf5854 | 1185 | int git_config_early(config_fn_t fn, void *data, const char *repo_config) |
4f629539 | 1186 | { |
aa387407 | 1187 | int ret = 0, found = 0; |
509adc33 PT |
1188 | char *xdg_config = xdg_config_home("config"); |
1189 | char *user_config = expand_user_path("~/.gitconfig"); | |
5f1a63e0 | 1190 | |
4698c8fe | 1191 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) { |
dc871831 DB |
1192 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1193 | data); | |
aa387407 FC |
1194 | found += 1; |
1195 | } | |
5f1a63e0 | 1196 | |
4698c8fe | 1197 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) { |
21cf3227 HKNN |
1198 | ret += git_config_from_file(fn, xdg_config, data); |
1199 | found += 1; | |
1200 | } | |
1201 | ||
4698c8fe | 1202 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) { |
21cf3227 HKNN |
1203 | ret += git_config_from_file(fn, user_config, data); |
1204 | found += 1; | |
5f1a63e0 JS |
1205 | } |
1206 | ||
4698c8fe | 1207 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) { |
aa387407 FC |
1208 | ret += git_config_from_file(fn, repo_config, data); |
1209 | found += 1; | |
1210 | } | |
8b1fa778 | 1211 | |
5a0c9eeb JK |
1212 | switch (git_config_from_parameters(fn, data)) { |
1213 | case -1: /* error */ | |
8262aaa2 | 1214 | die(_("unable to parse command-line config")); |
5a0c9eeb JK |
1215 | break; |
1216 | case 0: /* found nothing */ | |
1217 | break; | |
1218 | default: /* found at least one item */ | |
1219 | found++; | |
1220 | break; | |
1221 | } | |
8b1fa778 | 1222 | |
21cf3227 HKNN |
1223 | free(xdg_config); |
1224 | free(user_config); | |
1f2baa78 | 1225 | return ret == 0 ? found : ret; |
4f629539 JH |
1226 | } |
1227 | ||
c9b5e2a5 | 1228 | int git_config_with_options(config_fn_t fn, void *data, |
c8985ce0 | 1229 | struct git_config_source *config_source, |
1bc88819 | 1230 | int respect_includes) |
dbdf5854 NTND |
1231 | { |
1232 | char *repo_config = NULL; | |
1233 | int ret; | |
9b25a0b5 JK |
1234 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1235 | ||
1236 | if (respect_includes) { | |
1237 | inc.fn = fn; | |
1238 | inc.data = data; | |
1239 | fn = git_config_include; | |
1240 | data = &inc; | |
1241 | } | |
dbdf5854 | 1242 | |
c9b5e2a5 JK |
1243 | /* |
1244 | * If we have a specific filename, use it. Otherwise, follow the | |
1245 | * regular lookup sequence. | |
1246 | */ | |
3caec73b KS |
1247 | if (config_source && config_source->use_stdin) |
1248 | return git_config_from_stdin(fn, data); | |
1249 | else if (config_source && config_source->file) | |
c8985ce0 KS |
1250 | return git_config_from_file(fn, config_source->file, data); |
1251 | else if (config_source && config_source->blob) | |
1252 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1253 | |
dbdf5854 NTND |
1254 | repo_config = git_pathdup("config"); |
1255 | ret = git_config_early(fn, data, repo_config); | |
1256 | if (repo_config) | |
1257 | free(repo_config); | |
1258 | return ret; | |
1259 | } | |
1260 | ||
155ef25f | 1261 | static void git_config_raw(config_fn_t fn, void *data) |
c9b5e2a5 | 1262 | { |
aace4385 TA |
1263 | if (git_config_with_options(fn, data, NULL, 1) < 0) |
1264 | /* | |
1265 | * git_config_with_options() normally returns only | |
1266 | * positive values, as most errors are fatal, and | |
1267 | * non-fatal potential errors are guarded by "if" | |
1268 | * statements that are entered only when no error is | |
1269 | * possible. | |
1270 | * | |
1271 | * If we ever encounter a non-fatal error, it means | |
1272 | * something went really wrong and we should stop | |
1273 | * immediately. | |
1274 | */ | |
1275 | die(_("unknown error occured while reading the configuration files")); | |
c9b5e2a5 JK |
1276 | } |
1277 | ||
155ef25f | 1278 | static void configset_iter(struct config_set *cs, config_fn_t fn, void *data) |
c9b5e2a5 | 1279 | { |
155ef25f TA |
1280 | int i, value_index; |
1281 | struct string_list *values; | |
1282 | struct config_set_element *entry; | |
1283 | struct configset_list *list = &cs->list; | |
1284 | struct key_value_info *kv_info; | |
1285 | ||
1286 | for (i = 0; i < list->nr; i++) { | |
1287 | entry = list->items[i].e; | |
1288 | value_index = list->items[i].value_index; | |
1289 | values = &entry->value_list; | |
1290 | if (fn(entry->key, values->items[value_index].string, data) < 0) { | |
1291 | kv_info = values->items[value_index].util; | |
1292 | git_die_config_linenr(entry->key, kv_info->filename, kv_info->linenr); | |
1293 | } | |
1294 | } | |
1295 | } | |
1296 | ||
1297 | static void git_config_check_init(void); | |
1298 | ||
1299 | void git_config(config_fn_t fn, void *data) | |
1300 | { | |
1301 | git_config_check_init(); | |
1302 | configset_iter(&the_config_set, fn, data); | |
c9b5e2a5 JK |
1303 | } |
1304 | ||
3c8687a7 TA |
1305 | static struct config_set_element *configset_find_element(struct config_set *cs, const char *key) |
1306 | { | |
1307 | struct config_set_element k; | |
1308 | struct config_set_element *found_entry; | |
1309 | char *normalized_key; | |
1310 | int ret; | |
1311 | /* | |
1312 | * `key` may come from the user, so normalize it before using it | |
1313 | * for querying entries from the hashmap. | |
1314 | */ | |
1315 | ret = git_config_parse_key(key, &normalized_key, NULL); | |
1316 | ||
1317 | if (ret) | |
1318 | return NULL; | |
1319 | ||
1320 | hashmap_entry_init(&k, strhash(normalized_key)); | |
1321 | k.key = normalized_key; | |
1322 | found_entry = hashmap_get(&cs->config_hash, &k, NULL); | |
1323 | free(normalized_key); | |
1324 | return found_entry; | |
1325 | } | |
1326 | ||
1327 | static int configset_add_value(struct config_set *cs, const char *key, const char *value) | |
1328 | { | |
1329 | struct config_set_element *e; | |
3df8fd62 | 1330 | struct string_list_item *si; |
155ef25f | 1331 | struct configset_list_item *l_item; |
3df8fd62 TA |
1332 | struct key_value_info *kv_info = xmalloc(sizeof(*kv_info)); |
1333 | ||
3c8687a7 TA |
1334 | e = configset_find_element(cs, key); |
1335 | /* | |
1336 | * Since the keys are being fed by git_config*() callback mechanism, they | |
1337 | * are already normalized. So simply add them without any further munging. | |
1338 | */ | |
1339 | if (!e) { | |
1340 | e = xmalloc(sizeof(*e)); | |
1341 | hashmap_entry_init(e, strhash(key)); | |
1342 | e->key = xstrdup(key); | |
1343 | string_list_init(&e->value_list, 1); | |
1344 | hashmap_add(&cs->config_hash, e); | |
1345 | } | |
8c53f071 | 1346 | si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value)); |
155ef25f TA |
1347 | |
1348 | ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc); | |
1349 | l_item = &cs->list.items[cs->list.nr++]; | |
1350 | l_item->e = e; | |
1351 | l_item->value_index = e->value_list.nr - 1; | |
1352 | ||
3df8fd62 TA |
1353 | if (cf) { |
1354 | kv_info->filename = strintern(cf->name); | |
1355 | kv_info->linenr = cf->linenr; | |
1356 | } else { | |
1357 | /* for values read from `git_config_from_parameters()` */ | |
1358 | kv_info->filename = NULL; | |
1359 | kv_info->linenr = -1; | |
1360 | } | |
1361 | si->util = kv_info; | |
3c8687a7 TA |
1362 | |
1363 | return 0; | |
1364 | } | |
1365 | ||
1366 | static int config_set_element_cmp(const struct config_set_element *e1, | |
1367 | const struct config_set_element *e2, const void *unused) | |
1368 | { | |
1369 | return strcmp(e1->key, e2->key); | |
1370 | } | |
1371 | ||
1372 | void git_configset_init(struct config_set *cs) | |
1373 | { | |
1374 | hashmap_init(&cs->config_hash, (hashmap_cmp_fn)config_set_element_cmp, 0); | |
1375 | cs->hash_initialized = 1; | |
155ef25f TA |
1376 | cs->list.nr = 0; |
1377 | cs->list.alloc = 0; | |
1378 | cs->list.items = NULL; | |
3c8687a7 TA |
1379 | } |
1380 | ||
1381 | void git_configset_clear(struct config_set *cs) | |
1382 | { | |
1383 | struct config_set_element *entry; | |
1384 | struct hashmap_iter iter; | |
1385 | if (!cs->hash_initialized) | |
1386 | return; | |
1387 | ||
1388 | hashmap_iter_init(&cs->config_hash, &iter); | |
1389 | while ((entry = hashmap_iter_next(&iter))) { | |
1390 | free(entry->key); | |
3df8fd62 | 1391 | string_list_clear(&entry->value_list, 1); |
3c8687a7 TA |
1392 | } |
1393 | hashmap_free(&cs->config_hash, 1); | |
1394 | cs->hash_initialized = 0; | |
155ef25f TA |
1395 | free(cs->list.items); |
1396 | cs->list.nr = 0; | |
1397 | cs->list.alloc = 0; | |
1398 | cs->list.items = NULL; | |
3c8687a7 TA |
1399 | } |
1400 | ||
1401 | static int config_set_callback(const char *key, const char *value, void *cb) | |
1402 | { | |
1403 | struct config_set *cs = cb; | |
1404 | configset_add_value(cs, key, value); | |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | int git_configset_add_file(struct config_set *cs, const char *filename) | |
1409 | { | |
1410 | return git_config_from_file(config_set_callback, filename, cs); | |
1411 | } | |
1412 | ||
1413 | int git_configset_get_value(struct config_set *cs, const char *key, const char **value) | |
1414 | { | |
1415 | const struct string_list *values = NULL; | |
1416 | /* | |
1417 | * Follows "last one wins" semantic, i.e., if there are multiple matches for the | |
1418 | * queried key in the files of the configset, the value returned will be the last | |
1419 | * value in the value list for that key. | |
1420 | */ | |
1421 | values = git_configset_get_value_multi(cs, key); | |
1422 | ||
1423 | if (!values) | |
1424 | return 1; | |
1425 | assert(values->nr > 0); | |
1426 | *value = values->items[values->nr - 1].string; | |
1427 | return 0; | |
1428 | } | |
1429 | ||
1430 | const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key) | |
1431 | { | |
1432 | struct config_set_element *e = configset_find_element(cs, key); | |
1433 | return e ? &e->value_list : NULL; | |
1434 | } | |
1435 | ||
1436 | int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest) | |
1437 | { | |
1438 | const char *value; | |
1439 | if (!git_configset_get_value(cs, key, &value)) | |
1440 | return git_config_string(dest, key, value); | |
1441 | else | |
1442 | return 1; | |
1443 | } | |
1444 | ||
1445 | int git_configset_get_string(struct config_set *cs, const char *key, char **dest) | |
1446 | { | |
1447 | return git_configset_get_string_const(cs, key, (const char **)dest); | |
1448 | } | |
1449 | ||
1450 | int git_configset_get_int(struct config_set *cs, const char *key, int *dest) | |
1451 | { | |
1452 | const char *value; | |
1453 | if (!git_configset_get_value(cs, key, &value)) { | |
1454 | *dest = git_config_int(key, value); | |
1455 | return 0; | |
1456 | } else | |
1457 | return 1; | |
1458 | } | |
1459 | ||
1460 | int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest) | |
1461 | { | |
1462 | const char *value; | |
1463 | if (!git_configset_get_value(cs, key, &value)) { | |
1464 | *dest = git_config_ulong(key, value); | |
1465 | return 0; | |
1466 | } else | |
1467 | return 1; | |
1468 | } | |
1469 | ||
1470 | int git_configset_get_bool(struct config_set *cs, const char *key, int *dest) | |
1471 | { | |
1472 | const char *value; | |
1473 | if (!git_configset_get_value(cs, key, &value)) { | |
1474 | *dest = git_config_bool(key, value); | |
1475 | return 0; | |
1476 | } else | |
1477 | return 1; | |
1478 | } | |
1479 | ||
1480 | int git_configset_get_bool_or_int(struct config_set *cs, const char *key, | |
1481 | int *is_bool, int *dest) | |
1482 | { | |
1483 | const char *value; | |
1484 | if (!git_configset_get_value(cs, key, &value)) { | |
1485 | *dest = git_config_bool_or_int(key, value, is_bool); | |
1486 | return 0; | |
1487 | } else | |
1488 | return 1; | |
1489 | } | |
1490 | ||
1491 | int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest) | |
1492 | { | |
1493 | const char *value; | |
1494 | if (!git_configset_get_value(cs, key, &value)) { | |
1495 | *dest = git_config_maybe_bool(key, value); | |
1496 | if (*dest == -1) | |
1497 | return -1; | |
1498 | return 0; | |
1499 | } else | |
1500 | return 1; | |
1501 | } | |
1502 | ||
1503 | int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest) | |
1504 | { | |
1505 | const char *value; | |
1506 | if (!git_configset_get_value(cs, key, &value)) | |
1507 | return git_config_pathname(dest, key, value); | |
1508 | else | |
1509 | return 1; | |
1510 | } | |
1511 | ||
1512 | static void git_config_check_init(void) | |
1513 | { | |
1514 | if (the_config_set.hash_initialized) | |
1515 | return; | |
1516 | git_configset_init(&the_config_set); | |
155ef25f | 1517 | git_config_raw(config_set_callback, &the_config_set); |
3c8687a7 TA |
1518 | } |
1519 | ||
1520 | void git_config_clear(void) | |
1521 | { | |
1522 | if (!the_config_set.hash_initialized) | |
1523 | return; | |
1524 | git_configset_clear(&the_config_set); | |
1525 | } | |
1526 | ||
1527 | int git_config_get_value(const char *key, const char **value) | |
1528 | { | |
1529 | git_config_check_init(); | |
1530 | return git_configset_get_value(&the_config_set, key, value); | |
1531 | } | |
1532 | ||
1533 | const struct string_list *git_config_get_value_multi(const char *key) | |
1534 | { | |
1535 | git_config_check_init(); | |
1536 | return git_configset_get_value_multi(&the_config_set, key); | |
1537 | } | |
1538 | ||
1539 | int git_config_get_string_const(const char *key, const char **dest) | |
1540 | { | |
5a80e97c | 1541 | int ret; |
3c8687a7 | 1542 | git_config_check_init(); |
5a80e97c TA |
1543 | ret = git_configset_get_string_const(&the_config_set, key, dest); |
1544 | if (ret < 0) | |
1545 | git_die_config(key, NULL); | |
1546 | return ret; | |
3c8687a7 TA |
1547 | } |
1548 | ||
1549 | int git_config_get_string(const char *key, char **dest) | |
1550 | { | |
1551 | git_config_check_init(); | |
1552 | return git_config_get_string_const(key, (const char **)dest); | |
1553 | } | |
1554 | ||
1555 | int git_config_get_int(const char *key, int *dest) | |
1556 | { | |
1557 | git_config_check_init(); | |
1558 | return git_configset_get_int(&the_config_set, key, dest); | |
1559 | } | |
1560 | ||
1561 | int git_config_get_ulong(const char *key, unsigned long *dest) | |
1562 | { | |
1563 | git_config_check_init(); | |
1564 | return git_configset_get_ulong(&the_config_set, key, dest); | |
1565 | } | |
1566 | ||
1567 | int git_config_get_bool(const char *key, int *dest) | |
1568 | { | |
1569 | git_config_check_init(); | |
1570 | return git_configset_get_bool(&the_config_set, key, dest); | |
1571 | } | |
1572 | ||
1573 | int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest) | |
1574 | { | |
1575 | git_config_check_init(); | |
1576 | return git_configset_get_bool_or_int(&the_config_set, key, is_bool, dest); | |
1577 | } | |
1578 | ||
1579 | int git_config_get_maybe_bool(const char *key, int *dest) | |
1580 | { | |
1581 | git_config_check_init(); | |
1582 | return git_configset_get_maybe_bool(&the_config_set, key, dest); | |
1583 | } | |
1584 | ||
1585 | int git_config_get_pathname(const char *key, const char **dest) | |
1586 | { | |
5a80e97c | 1587 | int ret; |
3c8687a7 | 1588 | git_config_check_init(); |
5a80e97c TA |
1589 | ret = git_configset_get_pathname(&the_config_set, key, dest); |
1590 | if (ret < 0) | |
1591 | git_die_config(key, NULL); | |
1592 | return ret; | |
1593 | } | |
1594 | ||
1595 | NORETURN | |
1596 | void git_die_config_linenr(const char *key, const char *filename, int linenr) | |
1597 | { | |
1598 | if (!filename) | |
1599 | die(_("unable to parse '%s' from command-line config"), key); | |
1600 | else | |
1601 | die(_("bad config variable '%s' in file '%s' at line %d"), | |
1602 | key, filename, linenr); | |
1603 | } | |
1604 | ||
1605 | NORETURN __attribute__((format(printf, 2, 3))) | |
1606 | void git_die_config(const char *key, const char *err, ...) | |
1607 | { | |
1608 | const struct string_list *values; | |
1609 | struct key_value_info *kv_info; | |
1610 | ||
1611 | if (err) { | |
1612 | va_list params; | |
1613 | va_start(params, err); | |
1614 | vreportf("error: ", err, params); | |
1615 | va_end(params); | |
1616 | } | |
1617 | values = git_config_get_value_multi(key); | |
1618 | kv_info = values->items[values->nr - 1].util; | |
1619 | git_die_config_linenr(key, kv_info->filename, kv_info->linenr); | |
3c8687a7 TA |
1620 | } |
1621 | ||
10bea152 JS |
1622 | /* |
1623 | * Find all the stuff for git_config_set() below. | |
1624 | */ | |
4ddba79d | 1625 | |
10bea152 JS |
1626 | static struct { |
1627 | int baselen; | |
4b25d091 | 1628 | char *key; |
f98d863d | 1629 | int do_not_match; |
4b25d091 | 1630 | regex_t *value_regex; |
4ddba79d | 1631 | int multi_replace; |
83786fa4 TR |
1632 | size_t *offset; |
1633 | unsigned int offset_alloc; | |
10bea152 JS |
1634 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
1635 | int seen; | |
1636 | } store; | |
1637 | ||
4b25d091 | 1638 | static int matches(const char *key, const char *value) |
f98d863d | 1639 | { |
c1063be2 JK |
1640 | if (strcmp(key, store.key)) |
1641 | return 0; /* not ours */ | |
1642 | if (!store.value_regex) | |
1643 | return 1; /* always matches */ | |
1644 | if (store.value_regex == CONFIG_REGEX_NONE) | |
1645 | return 0; /* never matches */ | |
1646 | ||
1647 | return store.do_not_match ^ | |
1648 | (value && !regexec(store.value_regex, value, 0, NULL, 0)); | |
f98d863d JS |
1649 | } |
1650 | ||
4b25d091 | 1651 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 1652 | { |
ae9ee41d JH |
1653 | const char *ep; |
1654 | size_t section_len; | |
1655 | ||
10bea152 JS |
1656 | switch (store.state) { |
1657 | case KEY_SEEN: | |
f98d863d | 1658 | if (matches(key, value)) { |
4ddba79d | 1659 | if (store.seen == 1 && store.multi_replace == 0) { |
8262aaa2 | 1660 | warning(_("%s has multiple values"), key); |
10bea152 | 1661 | } |
4ddba79d | 1662 | |
83786fa4 TR |
1663 | ALLOC_GROW(store.offset, store.seen + 1, |
1664 | store.offset_alloc); | |
1665 | ||
49d6cfa5 | 1666 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1667 | store.seen++; |
1668 | } | |
1669 | break; | |
1670 | case SECTION_SEEN: | |
ae9ee41d JH |
1671 | /* |
1672 | * What we are looking for is in store.key (both | |
1673 | * section and var), and its section part is baselen | |
1674 | * long. We found key (again, both section and var). | |
1675 | * We would want to know if this key is in the same | |
1676 | * section as what we are looking for. We already | |
1677 | * know we are in the same section as what should | |
1678 | * hold store.key. | |
1679 | */ | |
1680 | ep = strrchr(key, '.'); | |
1681 | section_len = ep - key; | |
1682 | ||
1683 | if ((section_len != store.baselen) || | |
1684 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
1685 | store.state = SECTION_END_SEEN; |
1686 | break; | |
ae9ee41d JH |
1687 | } |
1688 | ||
1689 | /* | |
1690 | * Do not increment matches: this is no match, but we | |
1691 | * just made sure we are in the desired section. | |
1692 | */ | |
83786fa4 TR |
1693 | ALLOC_GROW(store.offset, store.seen + 1, |
1694 | store.offset_alloc); | |
49d6cfa5 | 1695 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1696 | /* fallthru */ |
1697 | case SECTION_END_SEEN: | |
1698 | case START: | |
f98d863d | 1699 | if (matches(key, value)) { |
83786fa4 TR |
1700 | ALLOC_GROW(store.offset, store.seen + 1, |
1701 | store.offset_alloc); | |
49d6cfa5 | 1702 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1703 | store.state = KEY_SEEN; |
1704 | store.seen++; | |
d14f7764 LT |
1705 | } else { |
1706 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 1707 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 1708 | store.state = SECTION_SEEN; |
83786fa4 TR |
1709 | ALLOC_GROW(store.offset, |
1710 | store.seen + 1, | |
1711 | store.offset_alloc); | |
49d6cfa5 | 1712 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 1713 | } |
bdf0ef08 | 1714 | } |
10bea152 JS |
1715 | } |
1716 | return 0; | |
1717 | } | |
1718 | ||
64c0d71c | 1719 | static int write_error(const char *filename) |
480c9e52 | 1720 | { |
64c0d71c | 1721 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
1722 | |
1723 | /* Same error code as "failed to rename". */ | |
1724 | return 4; | |
1725 | } | |
1726 | ||
4b25d091 | 1727 | static int store_write_section(int fd, const char *key) |
10bea152 | 1728 | { |
cb891a59 KH |
1729 | const char *dot; |
1730 | int i, success; | |
f285a2d7 | 1731 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 1732 | |
cb891a59 | 1733 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 1734 | if (dot) { |
cb891a59 KH |
1735 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
1736 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 1737 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
1738 | strbuf_addch(&sb, '\\'); |
1739 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 1740 | } |
cb891a59 KH |
1741 | strbuf_addstr(&sb, "\"]\n"); |
1742 | } else { | |
1743 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
1744 | } |
1745 | ||
cb891a59 KH |
1746 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
1747 | strbuf_release(&sb); | |
480c9e52 | 1748 | |
cb891a59 | 1749 | return success; |
10bea152 JS |
1750 | } |
1751 | ||
4b25d091 | 1752 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 1753 | { |
cb891a59 KH |
1754 | int i, success; |
1755 | int length = strlen(key + store.baselen + 1); | |
1756 | const char *quote = ""; | |
f285a2d7 | 1757 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 1758 | |
6281f394 JM |
1759 | /* |
1760 | * Check to see if the value needs to be surrounded with a dq pair. | |
1761 | * Note that problematic characters are always backslash-quoted; this | |
1762 | * check is about not losing leading or trailing SP and strings that | |
1763 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
1764 | * configuration parser. | |
1765 | */ | |
cdd4fb15 | 1766 | if (value[0] == ' ') |
cb891a59 | 1767 | quote = "\""; |
cdd4fb15 BG |
1768 | for (i = 0; value[i]; i++) |
1769 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
1770 | quote = "\""; |
1771 | if (i && value[i - 1] == ' ') | |
1772 | quote = "\""; | |
1773 | ||
cb891a59 KH |
1774 | strbuf_addf(&sb, "\t%.*s = %s", |
1775 | length, key + store.baselen + 1, quote); | |
10bea152 | 1776 | |
10bea152 JS |
1777 | for (i = 0; value[i]; i++) |
1778 | switch (value[i]) { | |
480c9e52 | 1779 | case '\n': |
cb891a59 | 1780 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
1781 | break; |
1782 | case '\t': | |
cb891a59 | 1783 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
1784 | break; |
1785 | case '"': | |
1786 | case '\\': | |
cb891a59 | 1787 | strbuf_addch(&sb, '\\'); |
480c9e52 | 1788 | default: |
cb891a59 | 1789 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
1790 | break; |
1791 | } | |
cb891a59 KH |
1792 | strbuf_addf(&sb, "%s\n", quote); |
1793 | ||
1794 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
1795 | strbuf_release(&sb); | |
1796 | ||
1797 | return success; | |
10bea152 JS |
1798 | } |
1799 | ||
4b25d091 FC |
1800 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
1801 | size_t offset_, int *found_bracket) | |
4ddba79d | 1802 | { |
dc49cd76 SP |
1803 | size_t equal_offset = size, bracket_offset = size; |
1804 | ssize_t offset; | |
4ddba79d | 1805 | |
7a31cc0f | 1806 | contline: |
a6080a0a | 1807 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
1808 | && contents[offset] != '\n'; offset--) |
1809 | switch (contents[offset]) { | |
1810 | case '=': equal_offset = offset; break; | |
1811 | case ']': bracket_offset = offset; break; | |
1812 | } | |
7a31cc0f FL |
1813 | if (offset > 0 && contents[offset-1] == '\\') { |
1814 | offset_ = offset; | |
1815 | goto contline; | |
1816 | } | |
4ddba79d JS |
1817 | if (bracket_offset < equal_offset) { |
1818 | *found_bracket = 1; | |
1819 | offset = bracket_offset+1; | |
1820 | } else | |
1821 | offset++; | |
1822 | ||
1823 | return offset; | |
1824 | } | |
1825 | ||
5ec31182 RR |
1826 | int git_config_set_in_file(const char *config_filename, |
1827 | const char *key, const char *value) | |
1828 | { | |
1829 | return git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); | |
1830 | } | |
1831 | ||
4b25d091 | 1832 | int git_config_set(const char *key, const char *value) |
10bea152 | 1833 | { |
4ddba79d | 1834 | return git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
1835 | } |
1836 | ||
b09c53a3 LP |
1837 | /* |
1838 | * Auxiliary function to sanity-check and split the key into the section | |
1839 | * identifier and variable name. | |
1840 | * | |
1841 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
1842 | * -2 if there is no section name in the key. | |
1843 | * | |
1844 | * store_key - pointer to char* which will hold a copy of the key with | |
1845 | * lowercase section and variable name | |
1846 | * baselen - pointer to int which will hold the length of the | |
1847 | * section + subsection part, can be NULL | |
1848 | */ | |
1849 | int git_config_parse_key(const char *key, char **store_key, int *baselen_) | |
1850 | { | |
1851 | int i, dot, baselen; | |
1852 | const char *last_dot = strrchr(key, '.'); | |
1853 | ||
1854 | /* | |
1855 | * Since "key" actually contains the section name and the real | |
1856 | * key name separated by a dot, we have to know where the dot is. | |
1857 | */ | |
1858 | ||
2169ddc0 | 1859 | if (last_dot == NULL || last_dot == key) { |
b09c53a3 | 1860 | error("key does not contain a section: %s", key); |
7a397419 | 1861 | return -CONFIG_NO_SECTION_OR_NAME; |
b09c53a3 LP |
1862 | } |
1863 | ||
2169ddc0 LP |
1864 | if (!last_dot[1]) { |
1865 | error("key does not contain variable name: %s", key); | |
7a397419 | 1866 | return -CONFIG_NO_SECTION_OR_NAME; |
2169ddc0 LP |
1867 | } |
1868 | ||
b09c53a3 LP |
1869 | baselen = last_dot - key; |
1870 | if (baselen_) | |
1871 | *baselen_ = baselen; | |
1872 | ||
1873 | /* | |
1874 | * Validate the key and while at it, lower case it for matching. | |
1875 | */ | |
1876 | *store_key = xmalloc(strlen(key) + 1); | |
1877 | ||
1878 | dot = 0; | |
1879 | for (i = 0; key[i]; i++) { | |
1880 | unsigned char c = key[i]; | |
1881 | if (c == '.') | |
1882 | dot = 1; | |
1883 | /* Leave the extended basename untouched.. */ | |
1884 | if (!dot || i > baselen) { | |
1885 | if (!iskeychar(c) || | |
1886 | (i == baselen + 1 && !isalpha(c))) { | |
1887 | error("invalid key: %s", key); | |
1888 | goto out_free_ret_1; | |
1889 | } | |
1890 | c = tolower(c); | |
1891 | } else if (c == '\n') { | |
1892 | error("invalid key (newline): %s", key); | |
1893 | goto out_free_ret_1; | |
1894 | } | |
1895 | (*store_key)[i] = c; | |
1896 | } | |
1897 | (*store_key)[i] = 0; | |
1898 | ||
1899 | return 0; | |
1900 | ||
1901 | out_free_ret_1: | |
1902 | free(*store_key); | |
97ed50f9 | 1903 | *store_key = NULL; |
7a397419 | 1904 | return -CONFIG_INVALID_KEY; |
b09c53a3 LP |
1905 | } |
1906 | ||
10bea152 JS |
1907 | /* |
1908 | * If value==NULL, unset in (remove from) config, | |
1909 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
c1063be2 JK |
1910 | * if value_regex==CONFIG_REGEX_NONE, do not match any existing values |
1911 | * (only add a new one) | |
4ddba79d JS |
1912 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
1913 | * else all matching key/values (regardless how many) are removed, | |
1914 | * before the new pair is written. | |
10bea152 JS |
1915 | * |
1916 | * Returns 0 on success. | |
1917 | * | |
1918 | * This function does this: | |
1919 | * | |
1920 | * - it locks the config file by creating ".git/config.lock" | |
1921 | * | |
1922 | * - it then parses the config using store_aux() as validator to find | |
1923 | * the position on the key/value pair to replace. If it is to be unset, | |
1924 | * it must be found exactly once. | |
1925 | * | |
1926 | * - the config file is mmap()ed and the part before the match (if any) is | |
1927 | * written to the lock file, then the changed part and the rest. | |
1928 | * | |
1929 | * - the config file is removed and the lock file rename()d to it. | |
1930 | * | |
1931 | */ | |
5ec31182 RR |
1932 | int git_config_set_multivar_in_file(const char *config_filename, |
1933 | const char *key, const char *value, | |
1934 | const char *value_regex, int multi_replace) | |
10bea152 | 1935 | { |
f8ba655e | 1936 | int fd = -1, in_fd; |
dafc88b1 | 1937 | int ret; |
6cbf973c | 1938 | struct lock_file *lock = NULL; |
0a5f5759 | 1939 | char *filename_buf = NULL; |
3a1b3126 JK |
1940 | char *contents = NULL; |
1941 | size_t contents_sz; | |
4ddba79d | 1942 | |
b09c53a3 LP |
1943 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
1944 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
1945 | if (ret) | |
dafc88b1 | 1946 | goto out_free; |
b17e659d JS |
1947 | |
1948 | store.multi_replace = multi_replace; | |
10bea152 | 1949 | |
0a5f5759 JK |
1950 | if (!config_filename) |
1951 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
1952 | |
1953 | /* | |
6cbf973c | 1954 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
1955 | * contents of .git/config will be written into it. |
1956 | */ | |
f1064f6b | 1957 | lock = xcalloc(1, sizeof(struct lock_file)); |
6cbf973c BS |
1958 | fd = hold_lock_file_for_update(lock, config_filename, 0); |
1959 | if (fd < 0) { | |
6ffd567b | 1960 | error("could not lock config file %s: %s", config_filename, strerror(errno)); |
10bea152 | 1961 | free(store.key); |
7a397419 | 1962 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 1963 | goto out_free; |
10bea152 JS |
1964 | } |
1965 | ||
1966 | /* | |
1967 | * If .git/config does not exist yet, write a minimal version. | |
1968 | */ | |
88fb958b AR |
1969 | in_fd = open(config_filename, O_RDONLY); |
1970 | if ( in_fd < 0 ) { | |
10bea152 JS |
1971 | free(store.key); |
1972 | ||
88fb958b AR |
1973 | if ( ENOENT != errno ) { |
1974 | error("opening %s: %s", config_filename, | |
1975 | strerror(errno)); | |
7a397419 | 1976 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 1977 | goto out_free; |
88fb958b | 1978 | } |
10bea152 JS |
1979 | /* if nothing to unset, error out */ |
1980 | if (value == NULL) { | |
7a397419 | 1981 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 1982 | goto out_free; |
10bea152 JS |
1983 | } |
1984 | ||
4b25d091 | 1985 | store.key = (char *)key; |
480c9e52 | 1986 | if (!store_write_section(fd, key) || |
93c1e079 JH |
1987 | !store_write_pair(fd, key, value)) |
1988 | goto write_err_out; | |
1989 | } else { | |
88fb958b | 1990 | struct stat st; |
3a1b3126 | 1991 | size_t copy_begin, copy_end; |
dc49cd76 | 1992 | int i, new_line = 0; |
10bea152 JS |
1993 | |
1994 | if (value_regex == NULL) | |
1995 | store.value_regex = NULL; | |
c1063be2 JK |
1996 | else if (value_regex == CONFIG_REGEX_NONE) |
1997 | store.value_regex = CONFIG_REGEX_NONE; | |
10bea152 | 1998 | else { |
f98d863d JS |
1999 | if (value_regex[0] == '!') { |
2000 | store.do_not_match = 1; | |
2001 | value_regex++; | |
2002 | } else | |
2003 | store.do_not_match = 0; | |
2004 | ||
2d7320d0 | 2005 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
2006 | if (regcomp(store.value_regex, value_regex, |
2007 | REG_EXTENDED)) { | |
64c0d71c | 2008 | error("invalid pattern: %s", value_regex); |
10bea152 | 2009 | free(store.value_regex); |
7a397419 | 2010 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 2011 | goto out_free; |
10bea152 JS |
2012 | } |
2013 | } | |
2014 | ||
83786fa4 | 2015 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 2016 | store.offset[0] = 0; |
10bea152 JS |
2017 | store.state = START; |
2018 | store.seen = 0; | |
2019 | ||
2020 | /* | |
2021 | * After this, store.offset will contain the *end* offset | |
2022 | * of the last match, or remain at 0 if no match was found. | |
2023 | * As a side effect, we make sure to transform only a valid | |
2024 | * existing config file. | |
2025 | */ | |
ef90d6d4 | 2026 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 2027 | error("invalid config file %s", config_filename); |
10bea152 | 2028 | free(store.key); |
c1063be2 JK |
2029 | if (store.value_regex != NULL && |
2030 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2031 | regfree(store.value_regex); |
2032 | free(store.value_regex); | |
2033 | } | |
7a397419 | 2034 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 2035 | goto out_free; |
10bea152 JS |
2036 | } |
2037 | ||
2038 | free(store.key); | |
c1063be2 JK |
2039 | if (store.value_regex != NULL && |
2040 | store.value_regex != CONFIG_REGEX_NONE) { | |
10bea152 JS |
2041 | regfree(store.value_regex); |
2042 | free(store.value_regex); | |
2043 | } | |
2044 | ||
4ddba79d JS |
2045 | /* if nothing to unset, or too many matches, error out */ |
2046 | if ((store.seen == 0 && value == NULL) || | |
2047 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 2048 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 2049 | goto out_free; |
10bea152 JS |
2050 | } |
2051 | ||
88fb958b | 2052 | fstat(in_fd, &st); |
dc49cd76 | 2053 | contents_sz = xsize_t(st.st_size); |
1570856b JK |
2054 | contents = xmmap_gently(NULL, contents_sz, PROT_READ, |
2055 | MAP_PRIVATE, in_fd, 0); | |
2056 | if (contents == MAP_FAILED) { | |
0e8771f1 JK |
2057 | if (errno == ENODEV && S_ISDIR(st.st_mode)) |
2058 | errno = EISDIR; | |
1570856b JK |
2059 | error("unable to mmap '%s': %s", |
2060 | config_filename, strerror(errno)); | |
2061 | ret = CONFIG_INVALID_FILE; | |
2062 | contents = NULL; | |
2063 | goto out_free; | |
2064 | } | |
10bea152 JS |
2065 | close(in_fd); |
2066 | ||
cf6950d3 | 2067 | if (chmod(lock->filename.buf, st.st_mode & 07777) < 0) { |
2569d239 | 2068 | error("chmod on %s failed: %s", |
cf6950d3 | 2069 | lock->filename.buf, strerror(errno)); |
daa22c6f EW |
2070 | ret = CONFIG_NO_WRITE; |
2071 | goto out_free; | |
2072 | } | |
2073 | ||
4ddba79d JS |
2074 | if (store.seen == 0) |
2075 | store.seen = 1; | |
2076 | ||
2077 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
2078 | if (store.offset[i] == 0) { | |
dc49cd76 | 2079 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
2080 | } else if (store.state != KEY_SEEN) { |
2081 | copy_end = store.offset[i]; | |
10bea152 | 2082 | } else |
4ddba79d | 2083 | copy_end = find_beginning_of_line( |
dc49cd76 | 2084 | contents, contents_sz, |
4ddba79d JS |
2085 | store.offset[i]-2, &new_line); |
2086 | ||
02e5ba4a JK |
2087 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
2088 | new_line = 1; | |
2089 | ||
4ddba79d JS |
2090 | /* write the first part of the config */ |
2091 | if (copy_end > copy_begin) { | |
93c1e079 JH |
2092 | if (write_in_full(fd, contents + copy_begin, |
2093 | copy_end - copy_begin) < | |
2094 | copy_end - copy_begin) | |
2095 | goto write_err_out; | |
2096 | if (new_line && | |
2b7ca830 | 2097 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 2098 | goto write_err_out; |
4ddba79d JS |
2099 | } |
2100 | copy_begin = store.offset[i]; | |
10bea152 JS |
2101 | } |
2102 | ||
10bea152 JS |
2103 | /* write the pair (value == NULL means unset) */ |
2104 | if (value != NULL) { | |
93c1e079 JH |
2105 | if (store.state == START) { |
2106 | if (!store_write_section(fd, key)) | |
2107 | goto write_err_out; | |
480c9e52 | 2108 | } |
93c1e079 JH |
2109 | if (!store_write_pair(fd, key, value)) |
2110 | goto write_err_out; | |
10bea152 JS |
2111 | } |
2112 | ||
2113 | /* write the rest of the config */ | |
dc49cd76 | 2114 | if (copy_begin < contents_sz) |
93c1e079 | 2115 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
2116 | contents_sz - copy_begin) < |
2117 | contents_sz - copy_begin) | |
93c1e079 | 2118 | goto write_err_out; |
7a64592c KB |
2119 | |
2120 | munmap(contents, contents_sz); | |
2121 | contents = NULL; | |
10bea152 JS |
2122 | } |
2123 | ||
4ed7cd3a | 2124 | if (commit_lock_file(lock) < 0) { |
64c0d71c | 2125 | error("could not commit config file %s", config_filename); |
7a397419 | 2126 | ret = CONFIG_NO_WRITE; |
e831855e | 2127 | lock = NULL; |
dafc88b1 | 2128 | goto out_free; |
10bea152 JS |
2129 | } |
2130 | ||
6cbf973c BS |
2131 | /* |
2132 | * lock is committed, so don't try to roll it back below. | |
2133 | * NOTE: Since lockfile.c keeps a linked list of all created | |
2134 | * lock_file structures, it isn't safe to free(lock). It's | |
2135 | * better to just leave it hanging around. | |
2136 | */ | |
2137 | lock = NULL; | |
dafc88b1 SH |
2138 | ret = 0; |
2139 | ||
3c8687a7 TA |
2140 | /* Invalidate the config cache */ |
2141 | git_config_clear(); | |
2142 | ||
dafc88b1 | 2143 | out_free: |
6cbf973c BS |
2144 | if (lock) |
2145 | rollback_lock_file(lock); | |
0a5f5759 | 2146 | free(filename_buf); |
3a1b3126 JK |
2147 | if (contents) |
2148 | munmap(contents, contents_sz); | |
dafc88b1 | 2149 | return ret; |
93c1e079 JH |
2150 | |
2151 | write_err_out: | |
cf6950d3 | 2152 | ret = write_error(lock->filename.buf); |
93c1e079 JH |
2153 | goto out_free; |
2154 | ||
10bea152 JS |
2155 | } |
2156 | ||
5ec31182 RR |
2157 | int git_config_set_multivar(const char *key, const char *value, |
2158 | const char *value_regex, int multi_replace) | |
2159 | { | |
4a7bb5ba | 2160 | return git_config_set_multivar_in_file(NULL, key, value, value_regex, |
0a5f5759 | 2161 | multi_replace); |
5ec31182 RR |
2162 | } |
2163 | ||
118f8b24 PB |
2164 | static int section_name_match (const char *buf, const char *name) |
2165 | { | |
2166 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
2167 | if (buf[i] != '[') |
2168 | return 0; | |
2169 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
2170 | if (!dot && isspace(buf[i])) { |
2171 | dot = 1; | |
2172 | if (name[j++] != '.') | |
2173 | break; | |
2174 | for (i++; isspace(buf[i]); i++) | |
2175 | ; /* do nothing */ | |
2176 | if (buf[i] != '"') | |
2177 | break; | |
2178 | continue; | |
2179 | } | |
2180 | if (buf[i] == '\\' && dot) | |
2181 | i++; | |
2182 | else if (buf[i] == '"' && dot) { | |
2183 | for (i++; isspace(buf[i]); i++) | |
2184 | ; /* do_nothing */ | |
2185 | break; | |
2186 | } | |
2187 | if (buf[i] != name[j++]) | |
2188 | break; | |
2189 | } | |
a4c0d463 AV |
2190 | if (buf[i] == ']' && name[j] == 0) { |
2191 | /* | |
2192 | * We match, now just find the right length offset by | |
2193 | * gobbling up any whitespace after it, as well | |
2194 | */ | |
2195 | i++; | |
2196 | for (; buf[i] && isspace(buf[i]); i++) | |
2197 | ; /* do nothing */ | |
2198 | return i; | |
2199 | } | |
2200 | return 0; | |
118f8b24 PB |
2201 | } |
2202 | ||
94a35b1a JK |
2203 | static int section_name_is_ok(const char *name) |
2204 | { | |
2205 | /* Empty section names are bogus. */ | |
2206 | if (!*name) | |
2207 | return 0; | |
2208 | ||
2209 | /* | |
2210 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
2211 | * anything goes, so we can stop checking. | |
2212 | */ | |
2213 | for (; *name && *name != '.'; name++) | |
2214 | if (*name != '-' && !isalnum(*name)) | |
2215 | return 0; | |
2216 | return 1; | |
2217 | } | |
2218 | ||
118f8b24 | 2219 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
2220 | int git_config_rename_section_in_file(const char *config_filename, |
2221 | const char *old_name, const char *new_name) | |
0667fcfb | 2222 | { |
118f8b24 | 2223 | int ret = 0, remove = 0; |
42bd39b5 | 2224 | char *filename_buf = NULL; |
94a35b1a | 2225 | struct lock_file *lock; |
0667fcfb JS |
2226 | int out_fd; |
2227 | char buf[1024]; | |
924aaf3e | 2228 | FILE *config_file; |
daa22c6f | 2229 | struct stat st; |
0667fcfb | 2230 | |
94a35b1a JK |
2231 | if (new_name && !section_name_is_ok(new_name)) { |
2232 | ret = error("invalid section name: %s", new_name); | |
2233 | goto out; | |
2234 | } | |
2235 | ||
42bd39b5 JK |
2236 | if (!config_filename) |
2237 | config_filename = filename_buf = git_pathdup("config"); | |
2238 | ||
f1064f6b | 2239 | lock = xcalloc(1, sizeof(struct lock_file)); |
0667fcfb | 2240 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 2241 | if (out_fd < 0) { |
64c0d71c | 2242 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
2243 | goto out; |
2244 | } | |
0667fcfb | 2245 | |
fc1905bb | 2246 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc GB |
2247 | /* no config file means nothing to rename, no error */ |
2248 | goto unlock_and_out; | |
fc1905bb | 2249 | } |
0667fcfb | 2250 | |
daa22c6f EW |
2251 | fstat(fileno(config_file), &st); |
2252 | ||
cf6950d3 | 2253 | if (chmod(lock->filename.buf, st.st_mode & 07777) < 0) { |
2569d239 | 2254 | ret = error("chmod on %s failed: %s", |
cf6950d3 | 2255 | lock->filename.buf, strerror(errno)); |
daa22c6f EW |
2256 | goto out; |
2257 | } | |
2258 | ||
0667fcfb JS |
2259 | while (fgets(buf, sizeof(buf), config_file)) { |
2260 | int i; | |
480c9e52 | 2261 | int length; |
9a5abfc7 | 2262 | char *output = buf; |
0667fcfb JS |
2263 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
2264 | ; /* do nothing */ | |
2265 | if (buf[i] == '[') { | |
2266 | /* it's a section */ | |
a4c0d463 AV |
2267 | int offset = section_name_match(&buf[i], old_name); |
2268 | if (offset > 0) { | |
118f8b24 PB |
2269 | ret++; |
2270 | if (new_name == NULL) { | |
2271 | remove = 1; | |
0667fcfb JS |
2272 | continue; |
2273 | } | |
0667fcfb | 2274 | store.baselen = strlen(new_name); |
480c9e52 | 2275 | if (!store_write_section(out_fd, new_name)) { |
cf6950d3 | 2276 | ret = write_error(lock->filename.buf); |
480c9e52 AW |
2277 | goto out; |
2278 | } | |
9a5abfc7 AV |
2279 | /* |
2280 | * We wrote out the new section, with | |
2281 | * a newline, now skip the old | |
2282 | * section's length | |
2283 | */ | |
2284 | output += offset + i; | |
2285 | if (strlen(output) > 0) { | |
2286 | /* | |
2287 | * More content means there's | |
2288 | * a declaration to put on the | |
2289 | * next line; indent with a | |
2290 | * tab | |
2291 | */ | |
2292 | output -= 1; | |
2293 | output[0] = '\t'; | |
2294 | } | |
0667fcfb | 2295 | } |
118f8b24 | 2296 | remove = 0; |
0667fcfb | 2297 | } |
118f8b24 PB |
2298 | if (remove) |
2299 | continue; | |
9a5abfc7 AV |
2300 | length = strlen(output); |
2301 | if (write_in_full(out_fd, output, length) != length) { | |
cf6950d3 | 2302 | ret = write_error(lock->filename.buf); |
480c9e52 AW |
2303 | goto out; |
2304 | } | |
0667fcfb | 2305 | } |
fc1905bb | 2306 | fclose(config_file); |
8b590075 | 2307 | unlock_and_out: |
4ed7cd3a | 2308 | if (commit_lock_file(lock) < 0) |
64c0d71c | 2309 | ret = error("could not commit config file %s", config_filename); |
8b590075 | 2310 | out: |
42bd39b5 | 2311 | free(filename_buf); |
0667fcfb JS |
2312 | return ret; |
2313 | } | |
40ea4ed9 | 2314 | |
42bd39b5 JK |
2315 | int git_config_rename_section(const char *old_name, const char *new_name) |
2316 | { | |
4a7bb5ba | 2317 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
2318 | } |
2319 | ||
40ea4ed9 JH |
2320 | /* |
2321 | * Call this to report error for your variable that should not | |
2322 | * get a boolean value (i.e. "[my] var" means "true"). | |
2323 | */ | |
a469a101 | 2324 | #undef config_error_nonbool |
40ea4ed9 JH |
2325 | int config_error_nonbool(const char *var) |
2326 | { | |
2327 | return error("Missing value for '%s'", var); | |
2328 | } | |
1b86bbb0 JK |
2329 | |
2330 | int parse_config_key(const char *var, | |
2331 | const char *section, | |
2332 | const char **subsection, int *subsection_len, | |
2333 | const char **key) | |
2334 | { | |
2335 | int section_len = strlen(section); | |
2336 | const char *dot; | |
2337 | ||
2338 | /* Does it start with "section." ? */ | |
59556548 | 2339 | if (!starts_with(var, section) || var[section_len] != '.') |
1b86bbb0 JK |
2340 | return -1; |
2341 | ||
2342 | /* | |
2343 | * Find the key; we don't know yet if we have a subsection, but we must | |
2344 | * parse backwards from the end, since the subsection may have dots in | |
2345 | * it, too. | |
2346 | */ | |
2347 | dot = strrchr(var, '.'); | |
2348 | *key = dot + 1; | |
2349 | ||
2350 | /* Did we have a subsection at all? */ | |
2351 | if (dot == var + section_len) { | |
2352 | *subsection = NULL; | |
2353 | *subsection_len = 0; | |
2354 | } | |
2355 | else { | |
2356 | *subsection = var + section_len + 1; | |
2357 | *subsection_len = dot - *subsection; | |
2358 | } | |
2359 | ||
2360 | return 0; | |
2361 | } |