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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" |
7f0e39fa | 9 | #include "exec_cmd.h" |
572e4f6a | 10 | #include "strbuf.h" |
2b64fc89 | 11 | #include "quote.h" |
17712991 | 12 | |
4d8dd149 HV |
13 | struct config_source { |
14 | struct config_source *prev; | |
15 | union { | |
16 | FILE *file; | |
1bc88819 HV |
17 | struct config_buf { |
18 | const char *buf; | |
19 | size_t len; | |
20 | size_t pos; | |
21 | } buf; | |
4d8dd149 | 22 | } u; |
924aaf3e | 23 | const char *name; |
d14d4244 | 24 | const char *path; |
b2dc0945 | 25 | int die_on_error; |
924aaf3e RJ |
26 | int linenr; |
27 | int eof; | |
28 | struct strbuf value; | |
0971e992 | 29 | struct strbuf var; |
924aaf3e | 30 | |
49d6cfa5 JK |
31 | int (*do_fgetc)(struct config_source *c); |
32 | int (*do_ungetc)(int c, struct config_source *conf); | |
33 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
34 | }; |
35 | ||
36 | static struct config_source *cf; | |
924aaf3e | 37 | |
960ccca6 DH |
38 | static int zlib_compression_seen; |
39 | ||
4d8dd149 HV |
40 | static int config_file_fgetc(struct config_source *conf) |
41 | { | |
42 | return fgetc(conf->u.file); | |
43 | } | |
44 | ||
45 | static int config_file_ungetc(int c, struct config_source *conf) | |
46 | { | |
47 | return ungetc(c, conf->u.file); | |
48 | } | |
49 | ||
50 | static long config_file_ftell(struct config_source *conf) | |
51 | { | |
52 | return ftell(conf->u.file); | |
53 | } | |
54 | ||
1bc88819 HV |
55 | |
56 | static int config_buf_fgetc(struct config_source *conf) | |
57 | { | |
58 | if (conf->u.buf.pos < conf->u.buf.len) | |
59 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
60 | ||
61 | return EOF; | |
62 | } | |
63 | ||
64 | static int config_buf_ungetc(int c, struct config_source *conf) | |
65 | { | |
66 | if (conf->u.buf.pos > 0) | |
67 | return conf->u.buf.buf[--conf->u.buf.pos]; | |
68 | ||
69 | return EOF; | |
70 | } | |
71 | ||
72 | static long config_buf_ftell(struct config_source *conf) | |
73 | { | |
74 | return conf->u.buf.pos; | |
75 | } | |
76 | ||
9b25a0b5 JK |
77 | #define MAX_INCLUDE_DEPTH 10 |
78 | static const char include_depth_advice[] = | |
79 | "exceeded maximum include depth (%d) while including\n" | |
80 | " %s\n" | |
81 | "from\n" | |
82 | " %s\n" | |
83 | "Do you have circular includes?"; | |
84 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
85 | { | |
86 | int ret = 0; | |
87 | struct strbuf buf = STRBUF_INIT; | |
4c0a89fc JK |
88 | char *expanded = expand_user_path(path); |
89 | ||
90 | if (!expanded) | |
91 | return error("Could not expand include path '%s'", path); | |
92 | path = expanded; | |
9b25a0b5 JK |
93 | |
94 | /* | |
95 | * Use an absolute path as-is, but interpret relative paths | |
96 | * based on the including config file. | |
97 | */ | |
98 | if (!is_absolute_path(path)) { | |
99 | char *slash; | |
100 | ||
d14d4244 | 101 | if (!cf || !cf->path) |
9b25a0b5 JK |
102 | return error("relative config includes must come from files"); |
103 | ||
d14d4244 | 104 | slash = find_last_dir_sep(cf->path); |
9b25a0b5 | 105 | if (slash) |
d14d4244 | 106 | strbuf_add(&buf, cf->path, slash - cf->path + 1); |
9b25a0b5 JK |
107 | strbuf_addstr(&buf, path); |
108 | path = buf.buf; | |
109 | } | |
110 | ||
4698c8fe | 111 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
112 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
113 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
114 | cf && cf->name ? cf->name : "the command line"); | |
115 | ret = git_config_from_file(git_config_include, path, inc); | |
116 | inc->depth--; | |
117 | } | |
118 | strbuf_release(&buf); | |
4c0a89fc | 119 | free(expanded); |
9b25a0b5 JK |
120 | return ret; |
121 | } | |
122 | ||
123 | int git_config_include(const char *var, const char *value, void *data) | |
124 | { | |
125 | struct config_include_data *inc = data; | |
126 | const char *type; | |
127 | int ret; | |
128 | ||
129 | /* | |
130 | * Pass along all values, including "include" directives; this makes it | |
131 | * possible to query information on the includes themselves. | |
132 | */ | |
133 | ret = inc->fn(var, value, inc->data); | |
134 | if (ret < 0) | |
135 | return ret; | |
136 | ||
137 | type = skip_prefix(var, "include."); | |
138 | if (!type) | |
139 | return ret; | |
140 | ||
141 | if (!strcmp(type, "path")) | |
142 | ret = handle_path_include(value, inc); | |
143 | return ret; | |
144 | } | |
145 | ||
8b1fa778 AR |
146 | static void lowercase(char *p) |
147 | { | |
148 | for (; *p; p++) | |
149 | *p = tolower(*p); | |
150 | } | |
8b1fa778 | 151 | |
2b64fc89 JK |
152 | void git_config_push_parameter(const char *text) |
153 | { | |
154 | struct strbuf env = STRBUF_INIT; | |
155 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
156 | if (old) { | |
157 | strbuf_addstr(&env, old); | |
158 | strbuf_addch(&env, ' '); | |
159 | } | |
160 | sq_quote_buf(&env, text); | |
161 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
162 | strbuf_release(&env); | |
163 | } | |
164 | ||
2496844b JK |
165 | int git_config_parse_parameter(const char *text, |
166 | config_fn_t fn, void *data) | |
8b1fa778 | 167 | { |
572e4f6a | 168 | struct strbuf **pair; |
f77bccae | 169 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
170 | if (!pair[0]) |
171 | return error("bogus config parameter: %s", text); | |
572e4f6a AR |
172 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') |
173 | strbuf_setlen(pair[0], pair[0]->len - 1); | |
174 | strbuf_trim(pair[0]); | |
175 | if (!pair[0]->len) { | |
176 | strbuf_list_free(pair); | |
06eb708f | 177 | return error("bogus config parameter: %s", text); |
8b1fa778 | 178 | } |
06eb708f JK |
179 | lowercase(pair[0]->buf); |
180 | if (fn(pair[0]->buf, pair[1] ? pair[1]->buf : NULL, data) < 0) { | |
181 | strbuf_list_free(pair); | |
182 | return -1; | |
572e4f6a AR |
183 | } |
184 | strbuf_list_free(pair); | |
8b1fa778 AR |
185 | return 0; |
186 | } | |
187 | ||
06eb708f JK |
188 | int git_config_from_parameters(config_fn_t fn, void *data) |
189 | { | |
2b64fc89 JK |
190 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
191 | char *envw; | |
192 | const char **argv = NULL; | |
193 | int nr = 0, alloc = 0; | |
194 | int i; | |
195 | ||
196 | if (!env) | |
197 | return 0; | |
198 | /* sq_dequote will write over it */ | |
199 | envw = xstrdup(env); | |
200 | ||
201 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
202 | free(envw); | |
203 | return error("bogus format in " CONFIG_DATA_ENVIRONMENT); | |
204 | } | |
205 | ||
206 | for (i = 0; i < nr; i++) { | |
06eb708f | 207 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
2b64fc89 JK |
208 | free(argv); |
209 | free(envw); | |
210 | return -1; | |
211 | } | |
212 | } | |
213 | ||
214 | free(argv); | |
215 | free(envw); | |
06eb708f | 216 | return nr > 0; |
2b64fc89 JK |
217 | } |
218 | ||
17712991 LT |
219 | static int get_next_char(void) |
220 | { | |
49d6cfa5 | 221 | int c = cf->do_fgetc(cf); |
17712991 | 222 | |
dbb9a812 HV |
223 | if (c == '\r') { |
224 | /* DOS like systems */ | |
49d6cfa5 | 225 | c = cf->do_fgetc(cf); |
dbb9a812 | 226 | if (c != '\n') { |
49d6cfa5 | 227 | cf->do_ungetc(c, cf); |
dbb9a812 | 228 | c = '\r'; |
17712991 LT |
229 | } |
230 | } | |
dbb9a812 HV |
231 | if (c == '\n') |
232 | cf->linenr++; | |
233 | if (c == EOF) { | |
234 | cf->eof = 1; | |
235 | c = '\n'; | |
236 | } | |
17712991 LT |
237 | return c; |
238 | } | |
239 | ||
240 | static char *parse_value(void) | |
241 | { | |
e96c19c5 | 242 | int quote = 0, comment = 0, space = 0; |
17712991 | 243 | |
924aaf3e | 244 | strbuf_reset(&cf->value); |
17712991 LT |
245 | for (;;) { |
246 | int c = get_next_char(); | |
17712991 | 247 | if (c == '\n') { |
4b340593 MS |
248 | if (quote) { |
249 | cf->linenr--; | |
17712991 | 250 | return NULL; |
4b340593 | 251 | } |
924aaf3e | 252 | return cf->value.buf; |
17712991 LT |
253 | } |
254 | if (comment) | |
255 | continue; | |
256 | if (isspace(c) && !quote) { | |
924aaf3e | 257 | if (cf->value.len) |
ebdaae37 | 258 | space++; |
17712991 LT |
259 | continue; |
260 | } | |
7ebdba61 JS |
261 | if (!quote) { |
262 | if (c == ';' || c == '#') { | |
263 | comment = 1; | |
264 | continue; | |
265 | } | |
266 | } | |
ebdaae37 | 267 | for (; space; space--) |
924aaf3e | 268 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
269 | if (c == '\\') { |
270 | c = get_next_char(); | |
271 | switch (c) { | |
272 | case '\n': | |
273 | continue; | |
274 | case 't': | |
275 | c = '\t'; | |
276 | break; | |
277 | case 'b': | |
278 | c = '\b'; | |
279 | break; | |
280 | case 'n': | |
281 | c = '\n'; | |
282 | break; | |
5cbb401d LT |
283 | /* Some characters escape as themselves */ |
284 | case '\\': case '"': | |
285 | break; | |
286 | /* Reject unknown escape sequences */ | |
287 | default: | |
288 | return NULL; | |
17712991 | 289 | } |
924aaf3e | 290 | strbuf_addch(&cf->value, c); |
17712991 LT |
291 | continue; |
292 | } | |
293 | if (c == '"') { | |
294 | quote = 1-quote; | |
295 | continue; | |
296 | } | |
924aaf3e | 297 | strbuf_addch(&cf->value, c); |
17712991 LT |
298 | } |
299 | } | |
300 | ||
38c5afa8 LT |
301 | static inline int iskeychar(int c) |
302 | { | |
303 | return isalnum(c) || c == '-'; | |
304 | } | |
305 | ||
0971e992 | 306 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
307 | { |
308 | int c; | |
309 | char *value; | |
310 | ||
311 | /* Get the full name */ | |
312 | for (;;) { | |
313 | c = get_next_char(); | |
924aaf3e | 314 | if (cf->eof) |
17712991 | 315 | break; |
38c5afa8 | 316 | if (!iskeychar(c)) |
17712991 | 317 | break; |
0971e992 | 318 | strbuf_addch(name, tolower(c)); |
17712991 | 319 | } |
0971e992 | 320 | |
17712991 LT |
321 | while (c == ' ' || c == '\t') |
322 | c = get_next_char(); | |
323 | ||
324 | value = NULL; | |
325 | if (c != '\n') { | |
326 | if (c != '=') | |
327 | return -1; | |
328 | value = parse_value(); | |
329 | if (!value) | |
330 | return -1; | |
331 | } | |
0971e992 | 332 | return fn(name->buf, value, data); |
17712991 LT |
333 | } |
334 | ||
0971e992 | 335 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
336 | { |
337 | do { | |
338 | if (c == '\n') | |
4b340593 | 339 | goto error_incomplete_line; |
d14f7764 LT |
340 | c = get_next_char(); |
341 | } while (isspace(c)); | |
342 | ||
343 | /* We require the format to be '[base "extension"]' */ | |
344 | if (c != '"') | |
345 | return -1; | |
0971e992 | 346 | strbuf_addch(name, '.'); |
d14f7764 LT |
347 | |
348 | for (;;) { | |
349 | int c = get_next_char(); | |
350 | if (c == '\n') | |
4b340593 | 351 | goto error_incomplete_line; |
d14f7764 LT |
352 | if (c == '"') |
353 | break; | |
354 | if (c == '\\') { | |
355 | c = get_next_char(); | |
356 | if (c == '\n') | |
4b340593 | 357 | goto error_incomplete_line; |
d14f7764 | 358 | } |
0971e992 | 359 | strbuf_addch(name, c); |
d14f7764 LT |
360 | } |
361 | ||
362 | /* Final ']' */ | |
363 | if (get_next_char() != ']') | |
364 | return -1; | |
0971e992 | 365 | return 0; |
4b340593 MS |
366 | error_incomplete_line: |
367 | cf->linenr--; | |
368 | return -1; | |
d14f7764 LT |
369 | } |
370 | ||
0971e992 | 371 | static int get_base_var(struct strbuf *name) |
17712991 | 372 | { |
17712991 LT |
373 | for (;;) { |
374 | int c = get_next_char(); | |
924aaf3e | 375 | if (cf->eof) |
17712991 LT |
376 | return -1; |
377 | if (c == ']') | |
0971e992 | 378 | return 0; |
d14f7764 | 379 | if (isspace(c)) |
0971e992 | 380 | return get_extended_base_var(name, c); |
38c5afa8 | 381 | if (!iskeychar(c) && c != '.') |
17712991 | 382 | return -1; |
0971e992 | 383 | strbuf_addch(name, tolower(c)); |
17712991 LT |
384 | } |
385 | } | |
386 | ||
4d8dd149 | 387 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
388 | { |
389 | int comment = 0; | |
390 | int baselen = 0; | |
0971e992 | 391 | struct strbuf *var = &cf->var; |
17712991 | 392 | |
de056402 PB |
393 | /* U+FEFF Byte Order Mark in UTF8 */ |
394 | static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf"; | |
395 | const unsigned char *bomptr = utf8_bom; | |
396 | ||
17712991 LT |
397 | for (;;) { |
398 | int c = get_next_char(); | |
de056402 PB |
399 | if (bomptr && *bomptr) { |
400 | /* We are at the file beginning; skip UTF8-encoded BOM | |
401 | * if present. Sane editors won't put this in on their | |
402 | * own, but e.g. Windows Notepad will do it happily. */ | |
403 | if ((unsigned char) c == *bomptr) { | |
404 | bomptr++; | |
405 | continue; | |
406 | } else { | |
407 | /* Do not tolerate partial BOM. */ | |
408 | if (bomptr != utf8_bom) | |
409 | break; | |
410 | /* No BOM at file beginning. Cool. */ | |
411 | bomptr = NULL; | |
412 | } | |
413 | } | |
17712991 | 414 | if (c == '\n') { |
924aaf3e | 415 | if (cf->eof) |
17712991 LT |
416 | return 0; |
417 | comment = 0; | |
418 | continue; | |
419 | } | |
420 | if (comment || isspace(c)) | |
421 | continue; | |
422 | if (c == '#' || c == ';') { | |
423 | comment = 1; | |
424 | continue; | |
425 | } | |
426 | if (c == '[') { | |
0971e992 BW |
427 | /* Reset prior to determining a new stem */ |
428 | strbuf_reset(var); | |
429 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 430 | break; |
0971e992 BW |
431 | strbuf_addch(var, '.'); |
432 | baselen = var->len; | |
17712991 LT |
433 | continue; |
434 | } | |
435 | if (!isalpha(c)) | |
436 | break; | |
0971e992 BW |
437 | /* |
438 | * Truncate the var name back to the section header | |
439 | * stem prior to grabbing the suffix part of the name | |
440 | * and the value. | |
441 | */ | |
442 | strbuf_setlen(var, baselen); | |
443 | strbuf_addch(var, tolower(c)); | |
444 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
445 | break; |
446 | } | |
b2dc0945 HV |
447 | if (cf->die_on_error) |
448 | die("bad config file line %d in %s", cf->linenr, cf->name); | |
449 | else | |
450 | return error("bad config file line %d in %s", cf->linenr, cf->name); | |
17712991 LT |
451 | } |
452 | ||
ebaa1bd4 | 453 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
454 | { |
455 | if (!*end) | |
456 | return 1; | |
c8deb5a1 SP |
457 | else if (!strcasecmp(end, "k")) { |
458 | *val *= 1024; | |
459 | return 1; | |
460 | } | |
461 | else if (!strcasecmp(end, "m")) { | |
462 | *val *= 1024 * 1024; | |
463 | return 1; | |
464 | } | |
465 | else if (!strcasecmp(end, "g")) { | |
466 | *val *= 1024 * 1024 * 1024; | |
467 | return 1; | |
468 | } | |
469 | return 0; | |
0b87b6e0 BD |
470 | } |
471 | ||
7192777d | 472 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
473 | { |
474 | if (value && *value) { | |
475 | char *end; | |
ebaa1bd4 NA |
476 | intmax_t val; |
477 | uintmax_t uval; | |
478 | uintmax_t factor = 1; | |
479 | ||
480 | errno = 0; | |
481 | val = strtoimax(value, &end, 0); | |
482 | if (errno == ERANGE) | |
483 | return 0; | |
33fdd77e JK |
484 | if (!parse_unit_factor(end, &factor)) { |
485 | errno = EINVAL; | |
c8deb5a1 | 486 | return 0; |
33fdd77e | 487 | } |
ebaa1bd4 NA |
488 | uval = abs(val); |
489 | uval *= factor; | |
33fdd77e JK |
490 | if (uval > max || abs(val) > uval) { |
491 | errno = ERANGE; | |
ebaa1bd4 | 492 | return 0; |
33fdd77e | 493 | } |
ebaa1bd4 NA |
494 | val *= factor; |
495 | *ret = val; | |
0b87b6e0 BD |
496 | return 1; |
497 | } | |
33fdd77e | 498 | errno = EINVAL; |
0b87b6e0 BD |
499 | return 0; |
500 | } | |
501 | ||
0b4dc661 | 502 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
503 | { |
504 | if (value && *value) { | |
505 | char *end; | |
ebaa1bd4 NA |
506 | uintmax_t val; |
507 | uintmax_t oldval; | |
508 | ||
509 | errno = 0; | |
510 | val = strtoumax(value, &end, 0); | |
511 | if (errno == ERANGE) | |
512 | return 0; | |
513 | oldval = val; | |
33fdd77e JK |
514 | if (!parse_unit_factor(end, &val)) { |
515 | errno = EINVAL; | |
c8deb5a1 | 516 | return 0; |
33fdd77e JK |
517 | } |
518 | if (val > max || oldval > val) { | |
519 | errno = ERANGE; | |
ebaa1bd4 | 520 | return 0; |
33fdd77e | 521 | } |
c8deb5a1 | 522 | *ret = val; |
0b87b6e0 | 523 | return 1; |
17712991 | 524 | } |
33fdd77e | 525 | errno = EINVAL; |
0b87b6e0 BD |
526 | return 0; |
527 | } | |
528 | ||
42d194e9 | 529 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 530 | { |
7192777d | 531 | intmax_t tmp; |
42d194e9 | 532 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
533 | return 0; |
534 | *ret = tmp; | |
535 | return 1; | |
536 | } | |
537 | ||
00160242 JK |
538 | static int git_parse_int64(const char *value, int64_t *ret) |
539 | { | |
540 | intmax_t tmp; | |
541 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
542 | return 0; | |
543 | *ret = tmp; | |
544 | return 1; | |
545 | } | |
546 | ||
7192777d JK |
547 | int git_parse_ulong(const char *value, unsigned long *ret) |
548 | { | |
549 | uintmax_t tmp; | |
550 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
551 | return 0; | |
552 | *ret = tmp; | |
553 | return 1; | |
554 | } | |
555 | ||
2f666581 | 556 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 557 | { |
2f666581 JK |
558 | const char *reason = errno == ERANGE ? |
559 | "out of range" : | |
560 | "invalid unit"; | |
561 | if (!value) | |
562 | value = ""; | |
563 | ||
924aaf3e | 564 | if (cf && cf->name) |
2f666581 JK |
565 | die("bad numeric config value '%s' for '%s' in %s: %s", |
566 | value, name, cf->name, reason); | |
567 | die("bad numeric config value '%s' for '%s': %s", value, name, reason); | |
c1867cea JK |
568 | } |
569 | ||
0b87b6e0 BD |
570 | int git_config_int(const char *name, const char *value) |
571 | { | |
42d194e9 JK |
572 | int ret; |
573 | if (!git_parse_int(value, &ret)) | |
2f666581 | 574 | die_bad_number(name, value); |
0b87b6e0 BD |
575 | return ret; |
576 | } | |
577 | ||
00160242 JK |
578 | int64_t git_config_int64(const char *name, const char *value) |
579 | { | |
580 | int64_t ret; | |
581 | if (!git_parse_int64(value, &ret)) | |
582 | die_bad_number(name, value); | |
0b87b6e0 BD |
583 | return ret; |
584 | } | |
585 | ||
586 | unsigned long git_config_ulong(const char *name, const char *value) | |
587 | { | |
588 | unsigned long ret; | |
589 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 590 | die_bad_number(name, value); |
0b87b6e0 | 591 | return ret; |
17712991 LT |
592 | } |
593 | ||
b2be2f6a | 594 | static int git_config_maybe_bool_text(const char *name, const char *value) |
17712991 LT |
595 | { |
596 | if (!value) | |
597 | return 1; | |
598 | if (!*value) | |
599 | return 0; | |
8420ccd8 JH |
600 | if (!strcasecmp(value, "true") |
601 | || !strcasecmp(value, "yes") | |
602 | || !strcasecmp(value, "on")) | |
17712991 | 603 | return 1; |
8420ccd8 JH |
604 | if (!strcasecmp(value, "false") |
605 | || !strcasecmp(value, "no") | |
606 | || !strcasecmp(value, "off")) | |
17712991 | 607 | return 0; |
8420ccd8 JH |
608 | return -1; |
609 | } | |
610 | ||
b2be2f6a JK |
611 | int git_config_maybe_bool(const char *name, const char *value) |
612 | { | |
42d194e9 | 613 | int v = git_config_maybe_bool_text(name, value); |
b2be2f6a JK |
614 | if (0 <= v) |
615 | return v; | |
42d194e9 | 616 | if (git_parse_int(value, &v)) |
db6195ef | 617 | return !!v; |
b2be2f6a JK |
618 | return -1; |
619 | } | |
620 | ||
8420ccd8 JH |
621 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
622 | { | |
b2be2f6a | 623 | int v = git_config_maybe_bool_text(name, value); |
8420ccd8 JH |
624 | if (0 <= v) { |
625 | *is_bool = 1; | |
626 | return v; | |
627 | } | |
a53f2ec6 | 628 | *is_bool = 0; |
c35b0b58 | 629 | return git_config_int(name, value); |
17712991 LT |
630 | } |
631 | ||
a53f2ec6 JH |
632 | int git_config_bool(const char *name, const char *value) |
633 | { | |
634 | int discard; | |
c35b0b58 | 635 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
636 | } |
637 | ||
ea5105a5 CC |
638 | int git_config_string(const char **dest, const char *var, const char *value) |
639 | { | |
640 | if (!value) | |
641 | return config_error_nonbool(var); | |
642 | *dest = xstrdup(value); | |
643 | return 0; | |
644 | } | |
645 | ||
395de250 MM |
646 | int git_config_pathname(const char **dest, const char *var, const char *value) |
647 | { | |
648 | if (!value) | |
649 | return config_error_nonbool(var); | |
650 | *dest = expand_user_path(value); | |
651 | if (!*dest) | |
652 | die("Failed to expand user dir in: '%s'", value); | |
653 | return 0; | |
654 | } | |
655 | ||
806e2ad7 | 656 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
657 | { |
658 | /* This needs a better name */ | |
659 | if (!strcmp(var, "core.filemode")) { | |
660 | trust_executable_bit = git_config_bool(var, value); | |
661 | return 0; | |
662 | } | |
1ce4790b AR |
663 | if (!strcmp(var, "core.trustctime")) { |
664 | trust_ctime = git_config_bool(var, value); | |
665 | return 0; | |
666 | } | |
6f4dd60d JH |
667 | if (!strcmp(var, "core.statinfo") || |
668 | !strcmp(var, "core.checkstat")) { | |
669 | /* | |
670 | * NEEDSWORK: statinfo was a typo in v1.8.2 that has | |
671 | * never been advertised. we will remove it at Git | |
672 | * 2.0 boundary. | |
673 | */ | |
674 | if (!strcmp(var, "core.statinfo")) { | |
675 | static int warned; | |
676 | if (!warned++) { | |
677 | warning("'core.statinfo' will be removed in Git 2.0; " | |
678 | "use 'core.checkstat' instead."); | |
679 | } | |
680 | } | |
c08e4d5b RR |
681 | if (!strcasecmp(value, "default")) |
682 | check_stat = 1; | |
683 | else if (!strcasecmp(value, "minimal")) | |
684 | check_stat = 0; | |
685 | } | |
17712991 | 686 | |
9378c161 JH |
687 | if (!strcmp(var, "core.quotepath")) { |
688 | quote_path_fully = git_config_bool(var, value); | |
689 | return 0; | |
690 | } | |
691 | ||
78a8d641 JS |
692 | if (!strcmp(var, "core.symlinks")) { |
693 | has_symlinks = git_config_bool(var, value); | |
694 | return 0; | |
695 | } | |
696 | ||
0a9b88b7 LT |
697 | if (!strcmp(var, "core.ignorecase")) { |
698 | ignore_case = git_config_bool(var, value); | |
699 | return 0; | |
700 | } | |
701 | ||
64589a03 JH |
702 | if (!strcmp(var, "core.attributesfile")) |
703 | return git_config_pathname(&git_attributes_file, var, value); | |
704 | ||
7d1864ce JH |
705 | if (!strcmp(var, "core.bare")) { |
706 | is_bare_repository_cfg = git_config_bool(var, value); | |
707 | return 0; | |
708 | } | |
709 | ||
5f73076c JH |
710 | if (!strcmp(var, "core.ignorestat")) { |
711 | assume_unchanged = git_config_bool(var, value); | |
712 | return 0; | |
713 | } | |
714 | ||
e388c738 JH |
715 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
716 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
717 | return 0; |
718 | } | |
719 | ||
6de08ae6 SP |
720 | if (!strcmp(var, "core.logallrefupdates")) { |
721 | log_all_ref_updates = git_config_bool(var, value); | |
722 | return 0; | |
723 | } | |
724 | ||
2f8acdb3 JH |
725 | if (!strcmp(var, "core.warnambiguousrefs")) { |
726 | warn_ambiguous_refs = git_config_bool(var, value); | |
727 | return 0; | |
728 | } | |
729 | ||
a71f09fe | 730 | if (!strcmp(var, "core.abbrev")) { |
dce96489 LT |
731 | int abbrev = git_config_int(var, value); |
732 | if (abbrev < minimum_abbrev || abbrev > 40) | |
733 | return -1; | |
734 | default_abbrev = abbrev; | |
735 | return 0; | |
736 | } | |
737 | ||
960ccca6 | 738 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
739 | int level = git_config_int(var, value); |
740 | if (level == -1) | |
741 | level = Z_DEFAULT_COMPRESSION; | |
742 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
743 | die("bad zlib compression level %d", level); | |
744 | zlib_compression_level = level; | |
960ccca6 DH |
745 | zlib_compression_seen = 1; |
746 | return 0; | |
747 | } | |
748 | ||
749 | if (!strcmp(var, "core.compression")) { | |
750 | int level = git_config_int(var, value); | |
751 | if (level == -1) | |
752 | level = Z_DEFAULT_COMPRESSION; | |
753 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
754 | die("bad zlib compression level %d", level); | |
755 | core_compression_level = level; | |
756 | core_compression_seen = 1; | |
757 | if (!zlib_compression_seen) | |
758 | zlib_compression_level = level; | |
12f6c308 JBH |
759 | return 0; |
760 | } | |
761 | ||
60bb8b14 | 762 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 763 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 764 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
765 | |
766 | /* This value must be multiple of (pagesize * 2) */ | |
767 | packed_git_window_size /= pgsz_x2; | |
768 | if (packed_git_window_size < 1) | |
769 | packed_git_window_size = 1; | |
770 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
771 | return 0; |
772 | } | |
773 | ||
15366280 | 774 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 775 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
776 | return 0; |
777 | } | |
778 | ||
77ccc5bb | 779 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 780 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
781 | return 0; |
782 | } | |
783 | ||
18bdec11 | 784 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 785 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
786 | return 0; |
787 | } | |
788 | ||
6c510bee | 789 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 790 | if (value && !strcasecmp(value, "input")) { |
ec70f52f | 791 | if (core_eol == EOL_CRLF) |
942e7747 | 792 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
fd6cce9e | 793 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
794 | return 0; |
795 | } | |
6c510bee LT |
796 | auto_crlf = git_config_bool(var, value); |
797 | return 0; | |
798 | } | |
799 | ||
21e5ad50 SP |
800 | if (!strcmp(var, "core.safecrlf")) { |
801 | if (value && !strcasecmp(value, "warn")) { | |
802 | safe_crlf = SAFE_CRLF_WARN; | |
803 | return 0; | |
804 | } | |
805 | safe_crlf = git_config_bool(var, value); | |
806 | return 0; | |
807 | } | |
808 | ||
942e7747 EB |
809 | if (!strcmp(var, "core.eol")) { |
810 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 811 | core_eol = EOL_LF; |
942e7747 | 812 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 813 | core_eol = EOL_CRLF; |
942e7747 | 814 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 815 | core_eol = EOL_NATIVE; |
942e7747 | 816 | else |
ec70f52f JH |
817 | core_eol = EOL_UNSET; |
818 | if (core_eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT) | |
942e7747 EB |
819 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
820 | return 0; | |
821 | } | |
822 | ||
a97a7468 JS |
823 | if (!strcmp(var, "core.notesref")) { |
824 | notes_ref_name = xstrdup(value); | |
825 | return 0; | |
826 | } | |
827 | ||
806e2ad7 LT |
828 | if (!strcmp(var, "core.pager")) |
829 | return git_config_string(&pager_program, var, value); | |
830 | ||
831 | if (!strcmp(var, "core.editor")) | |
832 | return git_config_string(&editor_program, var, value); | |
833 | ||
eff80a9f JH |
834 | if (!strcmp(var, "core.commentchar")) { |
835 | const char *comment; | |
836 | int ret = git_config_string(&comment, var, value); | |
837 | if (!ret) | |
838 | comment_line_char = comment[0]; | |
839 | return ret; | |
840 | } | |
841 | ||
d3e7da89 AK |
842 | if (!strcmp(var, "core.askpass")) |
843 | return git_config_string(&askpass_program, var, value); | |
844 | ||
806e2ad7 | 845 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 846 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
847 | |
848 | if (!strcmp(var, "core.whitespace")) { | |
849 | if (!value) | |
850 | return config_error_nonbool(var); | |
851 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
852 | return 0; | |
853 | } | |
854 | ||
aafe9fba LT |
855 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
856 | fsync_object_files = git_config_bool(var, value); | |
857 | return 0; | |
858 | } | |
859 | ||
671c9b7e LT |
860 | if (!strcmp(var, "core.preloadindex")) { |
861 | core_preload_index = git_config_bool(var, value); | |
862 | return 0; | |
863 | } | |
864 | ||
348df166 JS |
865 | if (!strcmp(var, "core.createobject")) { |
866 | if (!strcmp(value, "rename")) | |
867 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
868 | else if (!strcmp(value, "link")) | |
869 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
870 | else | |
871 | die("Invalid mode for object creation: %s", value); | |
be66a6c4 JS |
872 | return 0; |
873 | } | |
874 | ||
08aefc9e NTND |
875 | if (!strcmp(var, "core.sparsecheckout")) { |
876 | core_apply_sparse_checkout = git_config_bool(var, value); | |
877 | return 0; | |
878 | } | |
879 | ||
76759c7d TB |
880 | if (!strcmp(var, "core.precomposeunicode")) { |
881 | precomposed_unicode = git_config_bool(var, value); | |
882 | return 0; | |
883 | } | |
884 | ||
806e2ad7 LT |
885 | /* Add other config variables here and to Documentation/config.txt. */ |
886 | return 0; | |
887 | } | |
888 | ||
1141f492 | 889 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 890 | { |
ea5105a5 CC |
891 | if (!strcmp(var, "i18n.commitencoding")) |
892 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 893 | |
ea5105a5 CC |
894 | if (!strcmp(var, "i18n.logoutputencoding")) |
895 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 896 | |
1141f492 LT |
897 | /* Add other config variables here and to Documentation/config.txt. */ |
898 | return 0; | |
899 | } | |
039bc64e | 900 | |
1141f492 LT |
901 | static int git_default_branch_config(const char *var, const char *value) |
902 | { | |
9ed36cfa JS |
903 | if (!strcmp(var, "branch.autosetupmerge")) { |
904 | if (value && !strcasecmp(value, "always")) { | |
905 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
906 | return 0; | |
907 | } | |
908 | git_branch_track = git_config_bool(var, value); | |
909 | return 0; | |
910 | } | |
c998ae9b DS |
911 | if (!strcmp(var, "branch.autosetuprebase")) { |
912 | if (!value) | |
913 | return config_error_nonbool(var); | |
914 | else if (!strcmp(value, "never")) | |
915 | autorebase = AUTOREBASE_NEVER; | |
916 | else if (!strcmp(value, "local")) | |
917 | autorebase = AUTOREBASE_LOCAL; | |
918 | else if (!strcmp(value, "remote")) | |
919 | autorebase = AUTOREBASE_REMOTE; | |
920 | else if (!strcmp(value, "always")) | |
921 | autorebase = AUTOREBASE_ALWAYS; | |
922 | else | |
923 | return error("Malformed value for %s", var); | |
924 | return 0; | |
925 | } | |
a9cc857a | 926 | |
1ab661dd | 927 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
928 | return 0; |
929 | } | |
930 | ||
52153747 FAG |
931 | static int git_default_push_config(const char *var, const char *value) |
932 | { | |
933 | if (!strcmp(var, "push.default")) { | |
934 | if (!value) | |
935 | return config_error_nonbool(var); | |
936 | else if (!strcmp(value, "nothing")) | |
937 | push_default = PUSH_DEFAULT_NOTHING; | |
938 | else if (!strcmp(value, "matching")) | |
939 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
940 | else if (!strcmp(value, "simple")) |
941 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
942 | else if (!strcmp(value, "upstream")) |
943 | push_default = PUSH_DEFAULT_UPSTREAM; | |
944 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
945 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
946 | else if (!strcmp(value, "current")) |
947 | push_default = PUSH_DEFAULT_CURRENT; | |
948 | else { | |
949 | error("Malformed value for %s: %s", var, value); | |
b55e6775 MM |
950 | return error("Must be one of nothing, matching, simple, " |
951 | "upstream or current."); | |
52153747 FAG |
952 | } |
953 | return 0; | |
954 | } | |
955 | ||
956 | /* Add other config variables here and to Documentation/config.txt. */ | |
957 | return 0; | |
958 | } | |
959 | ||
d551a488 MSO |
960 | static int git_default_mailmap_config(const char *var, const char *value) |
961 | { | |
962 | if (!strcmp(var, "mailmap.file")) | |
963 | return git_config_string(&git_mailmap_file, var, value); | |
08610900 JK |
964 | if (!strcmp(var, "mailmap.blob")) |
965 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
966 | |
967 | /* Add other config variables here and to Documentation/config.txt. */ | |
968 | return 0; | |
969 | } | |
970 | ||
1141f492 LT |
971 | int git_default_config(const char *var, const char *value, void *dummy) |
972 | { | |
59556548 | 973 | if (starts_with(var, "core.")) |
1141f492 LT |
974 | return git_default_core_config(var, value); |
975 | ||
59556548 | 976 | if (starts_with(var, "user.")) |
9597921b | 977 | return git_ident_config(var, value, dummy); |
1141f492 | 978 | |
59556548 | 979 | if (starts_with(var, "i18n.")) |
1141f492 LT |
980 | return git_default_i18n_config(var, value); |
981 | ||
59556548 | 982 | if (starts_with(var, "branch.")) |
1141f492 LT |
983 | return git_default_branch_config(var, value); |
984 | ||
59556548 | 985 | if (starts_with(var, "push.")) |
52153747 FAG |
986 | return git_default_push_config(var, value); |
987 | ||
59556548 | 988 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
989 | return git_default_mailmap_config(var, value); |
990 | ||
59556548 | 991 | if (starts_with(var, "advice.")) |
75194438 JK |
992 | return git_default_advice_config(var, value); |
993 | ||
1141f492 LT |
994 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
995 | pager_use_color = git_config_bool(var,value); | |
996 | return 0; | |
997 | } | |
998 | ||
568508e7 JH |
999 | if (!strcmp(var, "pack.packsizelimit")) { |
1000 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1001 | return 0; | |
1002 | } | |
1141f492 LT |
1003 | /* Add other config variables here and to Documentation/config.txt. */ |
1004 | return 0; | |
1005 | } | |
1006 | ||
ca4b5de2 | 1007 | /* |
b2dc0945 | 1008 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1009 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1010 | * this function. |
1011 | */ | |
4d8dd149 | 1012 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1013 | { |
1014 | int ret; | |
1015 | ||
1016 | /* push config-file parsing state stack */ | |
1017 | top->prev = cf; | |
1018 | top->linenr = 1; | |
1019 | top->eof = 0; | |
1020 | strbuf_init(&top->value, 1024); | |
1021 | strbuf_init(&top->var, 1024); | |
1022 | cf = top; | |
1023 | ||
4d8dd149 | 1024 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1025 | |
1026 | /* pop config-file parsing state stack */ | |
1027 | strbuf_release(&top->value); | |
1028 | strbuf_release(&top->var); | |
1029 | cf = top->prev; | |
1030 | ||
1031 | return ret; | |
1032 | } | |
1033 | ||
ef90d6d4 | 1034 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) |
17712991 LT |
1035 | { |
1036 | int ret; | |
4f629539 | 1037 | FILE *f = fopen(filename, "r"); |
17712991 LT |
1038 | |
1039 | ret = -1; | |
1040 | if (f) { | |
4d8dd149 | 1041 | struct config_source top; |
924aaf3e | 1042 | |
4d8dd149 | 1043 | top.u.file = f; |
d14d4244 | 1044 | top.name = top.path = filename; |
b2dc0945 | 1045 | top.die_on_error = 1; |
49d6cfa5 JK |
1046 | top.do_fgetc = config_file_fgetc; |
1047 | top.do_ungetc = config_file_ungetc; | |
1048 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1049 | |
ca4b5de2 | 1050 | ret = do_config_from(&top, fn, data); |
924aaf3e | 1051 | |
17712991 LT |
1052 | fclose(f); |
1053 | } | |
1054 | return ret; | |
1055 | } | |
10bea152 | 1056 | |
1bc88819 HV |
1057 | int git_config_from_buf(config_fn_t fn, const char *name, const char *buf, |
1058 | size_t len, void *data) | |
1059 | { | |
1060 | struct config_source top; | |
1061 | ||
1062 | top.u.buf.buf = buf; | |
1063 | top.u.buf.len = len; | |
1064 | top.u.buf.pos = 0; | |
1065 | top.name = name; | |
d14d4244 | 1066 | top.path = NULL; |
b2dc0945 | 1067 | top.die_on_error = 0; |
49d6cfa5 JK |
1068 | top.do_fgetc = config_buf_fgetc; |
1069 | top.do_ungetc = config_buf_ungetc; | |
1070 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1071 | |
1072 | return do_config_from(&top, fn, data); | |
1073 | } | |
1074 | ||
1075 | static int git_config_from_blob_sha1(config_fn_t fn, | |
1076 | const char *name, | |
1077 | const unsigned char *sha1, | |
1078 | void *data) | |
1079 | { | |
1080 | enum object_type type; | |
1081 | char *buf; | |
1082 | unsigned long size; | |
1083 | int ret; | |
1084 | ||
1085 | buf = read_sha1_file(sha1, &type, &size); | |
1086 | if (!buf) | |
1087 | return error("unable to load config blob object '%s'", name); | |
1088 | if (type != OBJ_BLOB) { | |
1089 | free(buf); | |
1090 | return error("reference '%s' does not point to a blob", name); | |
1091 | } | |
1092 | ||
1093 | ret = git_config_from_buf(fn, name, buf, size, data); | |
1094 | free(buf); | |
1095 | ||
1096 | return ret; | |
1097 | } | |
1098 | ||
1099 | static int git_config_from_blob_ref(config_fn_t fn, | |
1100 | const char *name, | |
1101 | void *data) | |
1102 | { | |
1103 | unsigned char sha1[20]; | |
1104 | ||
1105 | if (get_sha1(name, sha1) < 0) | |
1106 | return error("unable to resolve config blob '%s'", name); | |
1107 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1108 | } | |
1109 | ||
506b17b1 JS |
1110 | const char *git_etc_gitconfig(void) |
1111 | { | |
7f0e39fa | 1112 | static const char *system_wide; |
2de9de5e SP |
1113 | if (!system_wide) |
1114 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1115 | return system_wide; |
506b17b1 JS |
1116 | } |
1117 | ||
0ef37164 | 1118 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1119 | { |
1120 | const char *v = getenv(k); | |
1121 | return v ? git_config_bool(k, v) : def; | |
1122 | } | |
1123 | ||
1124 | int git_config_system(void) | |
1125 | { | |
1126 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1127 | } | |
1128 | ||
dbdf5854 | 1129 | int git_config_early(config_fn_t fn, void *data, const char *repo_config) |
4f629539 | 1130 | { |
aa387407 | 1131 | int ret = 0, found = 0; |
21cf3227 HKNN |
1132 | char *xdg_config = NULL; |
1133 | char *user_config = NULL; | |
1134 | ||
1135 | home_config_paths(&user_config, &xdg_config, "config"); | |
5f1a63e0 | 1136 | |
4698c8fe | 1137 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) { |
dc871831 DB |
1138 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1139 | data); | |
aa387407 FC |
1140 | found += 1; |
1141 | } | |
5f1a63e0 | 1142 | |
4698c8fe | 1143 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) { |
21cf3227 HKNN |
1144 | ret += git_config_from_file(fn, xdg_config, data); |
1145 | found += 1; | |
1146 | } | |
1147 | ||
4698c8fe | 1148 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) { |
21cf3227 HKNN |
1149 | ret += git_config_from_file(fn, user_config, data); |
1150 | found += 1; | |
5f1a63e0 JS |
1151 | } |
1152 | ||
4698c8fe | 1153 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) { |
aa387407 FC |
1154 | ret += git_config_from_file(fn, repo_config, data); |
1155 | found += 1; | |
1156 | } | |
8b1fa778 | 1157 | |
5a0c9eeb JK |
1158 | switch (git_config_from_parameters(fn, data)) { |
1159 | case -1: /* error */ | |
1c2c9bee | 1160 | die("unable to parse command-line config"); |
5a0c9eeb JK |
1161 | break; |
1162 | case 0: /* found nothing */ | |
1163 | break; | |
1164 | default: /* found at least one item */ | |
1165 | found++; | |
1166 | break; | |
1167 | } | |
8b1fa778 | 1168 | |
21cf3227 HKNN |
1169 | free(xdg_config); |
1170 | free(user_config); | |
1f2baa78 | 1171 | return ret == 0 ? found : ret; |
4f629539 JH |
1172 | } |
1173 | ||
c9b5e2a5 | 1174 | int git_config_with_options(config_fn_t fn, void *data, |
c8985ce0 | 1175 | struct git_config_source *config_source, |
1bc88819 | 1176 | int respect_includes) |
dbdf5854 NTND |
1177 | { |
1178 | char *repo_config = NULL; | |
1179 | int ret; | |
9b25a0b5 JK |
1180 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1181 | ||
1182 | if (respect_includes) { | |
1183 | inc.fn = fn; | |
1184 | inc.data = data; | |
1185 | fn = git_config_include; | |
1186 | data = &inc; | |
1187 | } | |
dbdf5854 | 1188 | |
c9b5e2a5 JK |
1189 | /* |
1190 | * If we have a specific filename, use it. Otherwise, follow the | |
1191 | * regular lookup sequence. | |
1192 | */ | |
c8985ce0 KS |
1193 | if (config_source && config_source->file) |
1194 | return git_config_from_file(fn, config_source->file, data); | |
1195 | else if (config_source && config_source->blob) | |
1196 | return git_config_from_blob_ref(fn, config_source->blob, data); | |
c9b5e2a5 | 1197 | |
dbdf5854 NTND |
1198 | repo_config = git_pathdup("config"); |
1199 | ret = git_config_early(fn, data, repo_config); | |
1200 | if (repo_config) | |
1201 | free(repo_config); | |
1202 | return ret; | |
1203 | } | |
1204 | ||
c9b5e2a5 JK |
1205 | int git_config(config_fn_t fn, void *data) |
1206 | { | |
c8985ce0 | 1207 | return git_config_with_options(fn, data, NULL, 1); |
c9b5e2a5 JK |
1208 | } |
1209 | ||
10bea152 JS |
1210 | /* |
1211 | * Find all the stuff for git_config_set() below. | |
1212 | */ | |
4ddba79d | 1213 | |
10bea152 JS |
1214 | static struct { |
1215 | int baselen; | |
4b25d091 | 1216 | char *key; |
f98d863d | 1217 | int do_not_match; |
4b25d091 | 1218 | regex_t *value_regex; |
4ddba79d | 1219 | int multi_replace; |
83786fa4 TR |
1220 | size_t *offset; |
1221 | unsigned int offset_alloc; | |
10bea152 JS |
1222 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
1223 | int seen; | |
1224 | } store; | |
1225 | ||
4b25d091 | 1226 | static int matches(const char *key, const char *value) |
f98d863d JS |
1227 | { |
1228 | return !strcmp(key, store.key) && | |
1229 | (store.value_regex == NULL || | |
1230 | (store.do_not_match ^ | |
1231 | !regexec(store.value_regex, value, 0, NULL, 0))); | |
1232 | } | |
1233 | ||
4b25d091 | 1234 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 1235 | { |
ae9ee41d JH |
1236 | const char *ep; |
1237 | size_t section_len; | |
1238 | ||
10bea152 JS |
1239 | switch (store.state) { |
1240 | case KEY_SEEN: | |
f98d863d | 1241 | if (matches(key, value)) { |
4ddba79d | 1242 | if (store.seen == 1 && store.multi_replace == 0) { |
64c0d71c | 1243 | warning("%s has multiple values", key); |
10bea152 | 1244 | } |
4ddba79d | 1245 | |
83786fa4 TR |
1246 | ALLOC_GROW(store.offset, store.seen + 1, |
1247 | store.offset_alloc); | |
1248 | ||
49d6cfa5 | 1249 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1250 | store.seen++; |
1251 | } | |
1252 | break; | |
1253 | case SECTION_SEEN: | |
ae9ee41d JH |
1254 | /* |
1255 | * What we are looking for is in store.key (both | |
1256 | * section and var), and its section part is baselen | |
1257 | * long. We found key (again, both section and var). | |
1258 | * We would want to know if this key is in the same | |
1259 | * section as what we are looking for. We already | |
1260 | * know we are in the same section as what should | |
1261 | * hold store.key. | |
1262 | */ | |
1263 | ep = strrchr(key, '.'); | |
1264 | section_len = ep - key; | |
1265 | ||
1266 | if ((section_len != store.baselen) || | |
1267 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
1268 | store.state = SECTION_END_SEEN; |
1269 | break; | |
ae9ee41d JH |
1270 | } |
1271 | ||
1272 | /* | |
1273 | * Do not increment matches: this is no match, but we | |
1274 | * just made sure we are in the desired section. | |
1275 | */ | |
83786fa4 TR |
1276 | ALLOC_GROW(store.offset, store.seen + 1, |
1277 | store.offset_alloc); | |
49d6cfa5 | 1278 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1279 | /* fallthru */ |
1280 | case SECTION_END_SEEN: | |
1281 | case START: | |
f98d863d | 1282 | if (matches(key, value)) { |
83786fa4 TR |
1283 | ALLOC_GROW(store.offset, store.seen + 1, |
1284 | store.offset_alloc); | |
49d6cfa5 | 1285 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1286 | store.state = KEY_SEEN; |
1287 | store.seen++; | |
d14f7764 LT |
1288 | } else { |
1289 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 1290 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 1291 | store.state = SECTION_SEEN; |
83786fa4 TR |
1292 | ALLOC_GROW(store.offset, |
1293 | store.seen + 1, | |
1294 | store.offset_alloc); | |
49d6cfa5 | 1295 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 1296 | } |
bdf0ef08 | 1297 | } |
10bea152 JS |
1298 | } |
1299 | return 0; | |
1300 | } | |
1301 | ||
64c0d71c | 1302 | static int write_error(const char *filename) |
480c9e52 | 1303 | { |
64c0d71c | 1304 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
1305 | |
1306 | /* Same error code as "failed to rename". */ | |
1307 | return 4; | |
1308 | } | |
1309 | ||
4b25d091 | 1310 | static int store_write_section(int fd, const char *key) |
10bea152 | 1311 | { |
cb891a59 KH |
1312 | const char *dot; |
1313 | int i, success; | |
f285a2d7 | 1314 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 1315 | |
cb891a59 | 1316 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 1317 | if (dot) { |
cb891a59 KH |
1318 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
1319 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 1320 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
1321 | strbuf_addch(&sb, '\\'); |
1322 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 1323 | } |
cb891a59 KH |
1324 | strbuf_addstr(&sb, "\"]\n"); |
1325 | } else { | |
1326 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
1327 | } |
1328 | ||
cb891a59 KH |
1329 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
1330 | strbuf_release(&sb); | |
480c9e52 | 1331 | |
cb891a59 | 1332 | return success; |
10bea152 JS |
1333 | } |
1334 | ||
4b25d091 | 1335 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 1336 | { |
cb891a59 KH |
1337 | int i, success; |
1338 | int length = strlen(key + store.baselen + 1); | |
1339 | const char *quote = ""; | |
f285a2d7 | 1340 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 1341 | |
6281f394 JM |
1342 | /* |
1343 | * Check to see if the value needs to be surrounded with a dq pair. | |
1344 | * Note that problematic characters are always backslash-quoted; this | |
1345 | * check is about not losing leading or trailing SP and strings that | |
1346 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
1347 | * configuration parser. | |
1348 | */ | |
cdd4fb15 | 1349 | if (value[0] == ' ') |
cb891a59 | 1350 | quote = "\""; |
cdd4fb15 BG |
1351 | for (i = 0; value[i]; i++) |
1352 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
1353 | quote = "\""; |
1354 | if (i && value[i - 1] == ' ') | |
1355 | quote = "\""; | |
1356 | ||
cb891a59 KH |
1357 | strbuf_addf(&sb, "\t%.*s = %s", |
1358 | length, key + store.baselen + 1, quote); | |
10bea152 | 1359 | |
10bea152 JS |
1360 | for (i = 0; value[i]; i++) |
1361 | switch (value[i]) { | |
480c9e52 | 1362 | case '\n': |
cb891a59 | 1363 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
1364 | break; |
1365 | case '\t': | |
cb891a59 | 1366 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
1367 | break; |
1368 | case '"': | |
1369 | case '\\': | |
cb891a59 | 1370 | strbuf_addch(&sb, '\\'); |
480c9e52 | 1371 | default: |
cb891a59 | 1372 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
1373 | break; |
1374 | } | |
cb891a59 KH |
1375 | strbuf_addf(&sb, "%s\n", quote); |
1376 | ||
1377 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
1378 | strbuf_release(&sb); | |
1379 | ||
1380 | return success; | |
10bea152 JS |
1381 | } |
1382 | ||
4b25d091 FC |
1383 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
1384 | size_t offset_, int *found_bracket) | |
4ddba79d | 1385 | { |
dc49cd76 SP |
1386 | size_t equal_offset = size, bracket_offset = size; |
1387 | ssize_t offset; | |
4ddba79d | 1388 | |
7a31cc0f | 1389 | contline: |
a6080a0a | 1390 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
1391 | && contents[offset] != '\n'; offset--) |
1392 | switch (contents[offset]) { | |
1393 | case '=': equal_offset = offset; break; | |
1394 | case ']': bracket_offset = offset; break; | |
1395 | } | |
7a31cc0f FL |
1396 | if (offset > 0 && contents[offset-1] == '\\') { |
1397 | offset_ = offset; | |
1398 | goto contline; | |
1399 | } | |
4ddba79d JS |
1400 | if (bracket_offset < equal_offset) { |
1401 | *found_bracket = 1; | |
1402 | offset = bracket_offset+1; | |
1403 | } else | |
1404 | offset++; | |
1405 | ||
1406 | return offset; | |
1407 | } | |
1408 | ||
5ec31182 RR |
1409 | int git_config_set_in_file(const char *config_filename, |
1410 | const char *key, const char *value) | |
1411 | { | |
1412 | return git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); | |
1413 | } | |
1414 | ||
4b25d091 | 1415 | int git_config_set(const char *key, const char *value) |
10bea152 | 1416 | { |
4ddba79d | 1417 | return git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
1418 | } |
1419 | ||
b09c53a3 LP |
1420 | /* |
1421 | * Auxiliary function to sanity-check and split the key into the section | |
1422 | * identifier and variable name. | |
1423 | * | |
1424 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
1425 | * -2 if there is no section name in the key. | |
1426 | * | |
1427 | * store_key - pointer to char* which will hold a copy of the key with | |
1428 | * lowercase section and variable name | |
1429 | * baselen - pointer to int which will hold the length of the | |
1430 | * section + subsection part, can be NULL | |
1431 | */ | |
1432 | int git_config_parse_key(const char *key, char **store_key, int *baselen_) | |
1433 | { | |
1434 | int i, dot, baselen; | |
1435 | const char *last_dot = strrchr(key, '.'); | |
1436 | ||
1437 | /* | |
1438 | * Since "key" actually contains the section name and the real | |
1439 | * key name separated by a dot, we have to know where the dot is. | |
1440 | */ | |
1441 | ||
2169ddc0 | 1442 | if (last_dot == NULL || last_dot == key) { |
b09c53a3 | 1443 | error("key does not contain a section: %s", key); |
7a397419 | 1444 | return -CONFIG_NO_SECTION_OR_NAME; |
b09c53a3 LP |
1445 | } |
1446 | ||
2169ddc0 LP |
1447 | if (!last_dot[1]) { |
1448 | error("key does not contain variable name: %s", key); | |
7a397419 | 1449 | return -CONFIG_NO_SECTION_OR_NAME; |
2169ddc0 LP |
1450 | } |
1451 | ||
b09c53a3 LP |
1452 | baselen = last_dot - key; |
1453 | if (baselen_) | |
1454 | *baselen_ = baselen; | |
1455 | ||
1456 | /* | |
1457 | * Validate the key and while at it, lower case it for matching. | |
1458 | */ | |
1459 | *store_key = xmalloc(strlen(key) + 1); | |
1460 | ||
1461 | dot = 0; | |
1462 | for (i = 0; key[i]; i++) { | |
1463 | unsigned char c = key[i]; | |
1464 | if (c == '.') | |
1465 | dot = 1; | |
1466 | /* Leave the extended basename untouched.. */ | |
1467 | if (!dot || i > baselen) { | |
1468 | if (!iskeychar(c) || | |
1469 | (i == baselen + 1 && !isalpha(c))) { | |
1470 | error("invalid key: %s", key); | |
1471 | goto out_free_ret_1; | |
1472 | } | |
1473 | c = tolower(c); | |
1474 | } else if (c == '\n') { | |
1475 | error("invalid key (newline): %s", key); | |
1476 | goto out_free_ret_1; | |
1477 | } | |
1478 | (*store_key)[i] = c; | |
1479 | } | |
1480 | (*store_key)[i] = 0; | |
1481 | ||
1482 | return 0; | |
1483 | ||
1484 | out_free_ret_1: | |
1485 | free(*store_key); | |
97ed50f9 | 1486 | *store_key = NULL; |
7a397419 | 1487 | return -CONFIG_INVALID_KEY; |
b09c53a3 LP |
1488 | } |
1489 | ||
10bea152 JS |
1490 | /* |
1491 | * If value==NULL, unset in (remove from) config, | |
1492 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
4ddba79d JS |
1493 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
1494 | * else all matching key/values (regardless how many) are removed, | |
1495 | * before the new pair is written. | |
10bea152 JS |
1496 | * |
1497 | * Returns 0 on success. | |
1498 | * | |
1499 | * This function does this: | |
1500 | * | |
1501 | * - it locks the config file by creating ".git/config.lock" | |
1502 | * | |
1503 | * - it then parses the config using store_aux() as validator to find | |
1504 | * the position on the key/value pair to replace. If it is to be unset, | |
1505 | * it must be found exactly once. | |
1506 | * | |
1507 | * - the config file is mmap()ed and the part before the match (if any) is | |
1508 | * written to the lock file, then the changed part and the rest. | |
1509 | * | |
1510 | * - the config file is removed and the lock file rename()d to it. | |
1511 | * | |
1512 | */ | |
5ec31182 RR |
1513 | int git_config_set_multivar_in_file(const char *config_filename, |
1514 | const char *key, const char *value, | |
1515 | const char *value_regex, int multi_replace) | |
10bea152 | 1516 | { |
f8ba655e | 1517 | int fd = -1, in_fd; |
dafc88b1 | 1518 | int ret; |
6cbf973c | 1519 | struct lock_file *lock = NULL; |
0a5f5759 | 1520 | char *filename_buf = NULL; |
4ddba79d | 1521 | |
b09c53a3 LP |
1522 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
1523 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
1524 | if (ret) | |
dafc88b1 | 1525 | goto out_free; |
b17e659d JS |
1526 | |
1527 | store.multi_replace = multi_replace; | |
10bea152 | 1528 | |
0a5f5759 JK |
1529 | if (!config_filename) |
1530 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
1531 | |
1532 | /* | |
6cbf973c | 1533 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
1534 | * contents of .git/config will be written into it. |
1535 | */ | |
6cbf973c BS |
1536 | lock = xcalloc(sizeof(struct lock_file), 1); |
1537 | fd = hold_lock_file_for_update(lock, config_filename, 0); | |
1538 | if (fd < 0) { | |
6ffd567b | 1539 | error("could not lock config file %s: %s", config_filename, strerror(errno)); |
10bea152 | 1540 | free(store.key); |
7a397419 | 1541 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 1542 | goto out_free; |
10bea152 JS |
1543 | } |
1544 | ||
1545 | /* | |
1546 | * If .git/config does not exist yet, write a minimal version. | |
1547 | */ | |
88fb958b AR |
1548 | in_fd = open(config_filename, O_RDONLY); |
1549 | if ( in_fd < 0 ) { | |
10bea152 JS |
1550 | free(store.key); |
1551 | ||
88fb958b AR |
1552 | if ( ENOENT != errno ) { |
1553 | error("opening %s: %s", config_filename, | |
1554 | strerror(errno)); | |
7a397419 | 1555 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 1556 | goto out_free; |
88fb958b | 1557 | } |
10bea152 JS |
1558 | /* if nothing to unset, error out */ |
1559 | if (value == NULL) { | |
7a397419 | 1560 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 1561 | goto out_free; |
10bea152 JS |
1562 | } |
1563 | ||
4b25d091 | 1564 | store.key = (char *)key; |
480c9e52 | 1565 | if (!store_write_section(fd, key) || |
93c1e079 JH |
1566 | !store_write_pair(fd, key, value)) |
1567 | goto write_err_out; | |
1568 | } else { | |
88fb958b | 1569 | struct stat st; |
4b25d091 | 1570 | char *contents; |
dc49cd76 SP |
1571 | size_t contents_sz, copy_begin, copy_end; |
1572 | int i, new_line = 0; | |
10bea152 JS |
1573 | |
1574 | if (value_regex == NULL) | |
1575 | store.value_regex = NULL; | |
1576 | else { | |
f98d863d JS |
1577 | if (value_regex[0] == '!') { |
1578 | store.do_not_match = 1; | |
1579 | value_regex++; | |
1580 | } else | |
1581 | store.do_not_match = 0; | |
1582 | ||
2d7320d0 | 1583 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
1584 | if (regcomp(store.value_regex, value_regex, |
1585 | REG_EXTENDED)) { | |
64c0d71c | 1586 | error("invalid pattern: %s", value_regex); |
10bea152 | 1587 | free(store.value_regex); |
7a397419 | 1588 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 1589 | goto out_free; |
10bea152 JS |
1590 | } |
1591 | } | |
1592 | ||
83786fa4 | 1593 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 1594 | store.offset[0] = 0; |
10bea152 JS |
1595 | store.state = START; |
1596 | store.seen = 0; | |
1597 | ||
1598 | /* | |
1599 | * After this, store.offset will contain the *end* offset | |
1600 | * of the last match, or remain at 0 if no match was found. | |
1601 | * As a side effect, we make sure to transform only a valid | |
1602 | * existing config file. | |
1603 | */ | |
ef90d6d4 | 1604 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 1605 | error("invalid config file %s", config_filename); |
10bea152 JS |
1606 | free(store.key); |
1607 | if (store.value_regex != NULL) { | |
1608 | regfree(store.value_regex); | |
1609 | free(store.value_regex); | |
1610 | } | |
7a397419 | 1611 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 1612 | goto out_free; |
10bea152 JS |
1613 | } |
1614 | ||
1615 | free(store.key); | |
1616 | if (store.value_regex != NULL) { | |
1617 | regfree(store.value_regex); | |
1618 | free(store.value_regex); | |
1619 | } | |
1620 | ||
4ddba79d JS |
1621 | /* if nothing to unset, or too many matches, error out */ |
1622 | if ((store.seen == 0 && value == NULL) || | |
1623 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 1624 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 1625 | goto out_free; |
10bea152 JS |
1626 | } |
1627 | ||
88fb958b | 1628 | fstat(in_fd, &st); |
dc49cd76 SP |
1629 | contents_sz = xsize_t(st.st_size); |
1630 | contents = xmmap(NULL, contents_sz, PROT_READ, | |
10bea152 JS |
1631 | MAP_PRIVATE, in_fd, 0); |
1632 | close(in_fd); | |
1633 | ||
4ddba79d JS |
1634 | if (store.seen == 0) |
1635 | store.seen = 1; | |
1636 | ||
1637 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
1638 | if (store.offset[i] == 0) { | |
dc49cd76 | 1639 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
1640 | } else if (store.state != KEY_SEEN) { |
1641 | copy_end = store.offset[i]; | |
10bea152 | 1642 | } else |
4ddba79d | 1643 | copy_end = find_beginning_of_line( |
dc49cd76 | 1644 | contents, contents_sz, |
4ddba79d JS |
1645 | store.offset[i]-2, &new_line); |
1646 | ||
02e5ba4a JK |
1647 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
1648 | new_line = 1; | |
1649 | ||
4ddba79d JS |
1650 | /* write the first part of the config */ |
1651 | if (copy_end > copy_begin) { | |
93c1e079 JH |
1652 | if (write_in_full(fd, contents + copy_begin, |
1653 | copy_end - copy_begin) < | |
1654 | copy_end - copy_begin) | |
1655 | goto write_err_out; | |
1656 | if (new_line && | |
2b7ca830 | 1657 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 1658 | goto write_err_out; |
4ddba79d JS |
1659 | } |
1660 | copy_begin = store.offset[i]; | |
10bea152 JS |
1661 | } |
1662 | ||
10bea152 JS |
1663 | /* write the pair (value == NULL means unset) */ |
1664 | if (value != NULL) { | |
93c1e079 JH |
1665 | if (store.state == START) { |
1666 | if (!store_write_section(fd, key)) | |
1667 | goto write_err_out; | |
480c9e52 | 1668 | } |
93c1e079 JH |
1669 | if (!store_write_pair(fd, key, value)) |
1670 | goto write_err_out; | |
10bea152 JS |
1671 | } |
1672 | ||
1673 | /* write the rest of the config */ | |
dc49cd76 | 1674 | if (copy_begin < contents_sz) |
93c1e079 | 1675 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
1676 | contents_sz - copy_begin) < |
1677 | contents_sz - copy_begin) | |
93c1e079 | 1678 | goto write_err_out; |
10bea152 | 1679 | |
dc49cd76 | 1680 | munmap(contents, contents_sz); |
10bea152 JS |
1681 | } |
1682 | ||
4ed7cd3a | 1683 | if (commit_lock_file(lock) < 0) { |
64c0d71c | 1684 | error("could not commit config file %s", config_filename); |
7a397419 | 1685 | ret = CONFIG_NO_WRITE; |
dafc88b1 | 1686 | goto out_free; |
10bea152 JS |
1687 | } |
1688 | ||
6cbf973c BS |
1689 | /* |
1690 | * lock is committed, so don't try to roll it back below. | |
1691 | * NOTE: Since lockfile.c keeps a linked list of all created | |
1692 | * lock_file structures, it isn't safe to free(lock). It's | |
1693 | * better to just leave it hanging around. | |
1694 | */ | |
1695 | lock = NULL; | |
dafc88b1 SH |
1696 | ret = 0; |
1697 | ||
1698 | out_free: | |
6cbf973c BS |
1699 | if (lock) |
1700 | rollback_lock_file(lock); | |
0a5f5759 | 1701 | free(filename_buf); |
dafc88b1 | 1702 | return ret; |
93c1e079 JH |
1703 | |
1704 | write_err_out: | |
64c0d71c | 1705 | ret = write_error(lock->filename); |
93c1e079 JH |
1706 | goto out_free; |
1707 | ||
10bea152 JS |
1708 | } |
1709 | ||
5ec31182 RR |
1710 | int git_config_set_multivar(const char *key, const char *value, |
1711 | const char *value_regex, int multi_replace) | |
1712 | { | |
4a7bb5ba | 1713 | return git_config_set_multivar_in_file(NULL, key, value, value_regex, |
0a5f5759 | 1714 | multi_replace); |
5ec31182 RR |
1715 | } |
1716 | ||
118f8b24 PB |
1717 | static int section_name_match (const char *buf, const char *name) |
1718 | { | |
1719 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
1720 | if (buf[i] != '[') |
1721 | return 0; | |
1722 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
1723 | if (!dot && isspace(buf[i])) { |
1724 | dot = 1; | |
1725 | if (name[j++] != '.') | |
1726 | break; | |
1727 | for (i++; isspace(buf[i]); i++) | |
1728 | ; /* do nothing */ | |
1729 | if (buf[i] != '"') | |
1730 | break; | |
1731 | continue; | |
1732 | } | |
1733 | if (buf[i] == '\\' && dot) | |
1734 | i++; | |
1735 | else if (buf[i] == '"' && dot) { | |
1736 | for (i++; isspace(buf[i]); i++) | |
1737 | ; /* do_nothing */ | |
1738 | break; | |
1739 | } | |
1740 | if (buf[i] != name[j++]) | |
1741 | break; | |
1742 | } | |
a4c0d463 AV |
1743 | if (buf[i] == ']' && name[j] == 0) { |
1744 | /* | |
1745 | * We match, now just find the right length offset by | |
1746 | * gobbling up any whitespace after it, as well | |
1747 | */ | |
1748 | i++; | |
1749 | for (; buf[i] && isspace(buf[i]); i++) | |
1750 | ; /* do nothing */ | |
1751 | return i; | |
1752 | } | |
1753 | return 0; | |
118f8b24 PB |
1754 | } |
1755 | ||
94a35b1a JK |
1756 | static int section_name_is_ok(const char *name) |
1757 | { | |
1758 | /* Empty section names are bogus. */ | |
1759 | if (!*name) | |
1760 | return 0; | |
1761 | ||
1762 | /* | |
1763 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
1764 | * anything goes, so we can stop checking. | |
1765 | */ | |
1766 | for (; *name && *name != '.'; name++) | |
1767 | if (*name != '-' && !isalnum(*name)) | |
1768 | return 0; | |
1769 | return 1; | |
1770 | } | |
1771 | ||
118f8b24 | 1772 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
1773 | int git_config_rename_section_in_file(const char *config_filename, |
1774 | const char *old_name, const char *new_name) | |
0667fcfb | 1775 | { |
118f8b24 | 1776 | int ret = 0, remove = 0; |
42bd39b5 | 1777 | char *filename_buf = NULL; |
94a35b1a | 1778 | struct lock_file *lock; |
0667fcfb JS |
1779 | int out_fd; |
1780 | char buf[1024]; | |
924aaf3e | 1781 | FILE *config_file; |
0667fcfb | 1782 | |
94a35b1a JK |
1783 | if (new_name && !section_name_is_ok(new_name)) { |
1784 | ret = error("invalid section name: %s", new_name); | |
1785 | goto out; | |
1786 | } | |
1787 | ||
42bd39b5 JK |
1788 | if (!config_filename) |
1789 | config_filename = filename_buf = git_pathdup("config"); | |
1790 | ||
94a35b1a | 1791 | lock = xcalloc(sizeof(struct lock_file), 1); |
0667fcfb | 1792 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 1793 | if (out_fd < 0) { |
64c0d71c | 1794 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
1795 | goto out; |
1796 | } | |
0667fcfb | 1797 | |
fc1905bb | 1798 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc GB |
1799 | /* no config file means nothing to rename, no error */ |
1800 | goto unlock_and_out; | |
fc1905bb | 1801 | } |
0667fcfb JS |
1802 | |
1803 | while (fgets(buf, sizeof(buf), config_file)) { | |
1804 | int i; | |
480c9e52 | 1805 | int length; |
9a5abfc7 | 1806 | char *output = buf; |
0667fcfb JS |
1807 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
1808 | ; /* do nothing */ | |
1809 | if (buf[i] == '[') { | |
1810 | /* it's a section */ | |
a4c0d463 AV |
1811 | int offset = section_name_match(&buf[i], old_name); |
1812 | if (offset > 0) { | |
118f8b24 PB |
1813 | ret++; |
1814 | if (new_name == NULL) { | |
1815 | remove = 1; | |
0667fcfb JS |
1816 | continue; |
1817 | } | |
0667fcfb | 1818 | store.baselen = strlen(new_name); |
480c9e52 | 1819 | if (!store_write_section(out_fd, new_name)) { |
64c0d71c | 1820 | ret = write_error(lock->filename); |
480c9e52 AW |
1821 | goto out; |
1822 | } | |
9a5abfc7 AV |
1823 | /* |
1824 | * We wrote out the new section, with | |
1825 | * a newline, now skip the old | |
1826 | * section's length | |
1827 | */ | |
1828 | output += offset + i; | |
1829 | if (strlen(output) > 0) { | |
1830 | /* | |
1831 | * More content means there's | |
1832 | * a declaration to put on the | |
1833 | * next line; indent with a | |
1834 | * tab | |
1835 | */ | |
1836 | output -= 1; | |
1837 | output[0] = '\t'; | |
1838 | } | |
0667fcfb | 1839 | } |
118f8b24 | 1840 | remove = 0; |
0667fcfb | 1841 | } |
118f8b24 PB |
1842 | if (remove) |
1843 | continue; | |
9a5abfc7 AV |
1844 | length = strlen(output); |
1845 | if (write_in_full(out_fd, output, length) != length) { | |
64c0d71c | 1846 | ret = write_error(lock->filename); |
480c9e52 AW |
1847 | goto out; |
1848 | } | |
0667fcfb | 1849 | } |
fc1905bb | 1850 | fclose(config_file); |
8b590075 | 1851 | unlock_and_out: |
4ed7cd3a | 1852 | if (commit_lock_file(lock) < 0) |
64c0d71c | 1853 | ret = error("could not commit config file %s", config_filename); |
8b590075 | 1854 | out: |
42bd39b5 | 1855 | free(filename_buf); |
0667fcfb JS |
1856 | return ret; |
1857 | } | |
40ea4ed9 | 1858 | |
42bd39b5 JK |
1859 | int git_config_rename_section(const char *old_name, const char *new_name) |
1860 | { | |
4a7bb5ba | 1861 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
1862 | } |
1863 | ||
40ea4ed9 JH |
1864 | /* |
1865 | * Call this to report error for your variable that should not | |
1866 | * get a boolean value (i.e. "[my] var" means "true"). | |
1867 | */ | |
a469a101 | 1868 | #undef config_error_nonbool |
40ea4ed9 JH |
1869 | int config_error_nonbool(const char *var) |
1870 | { | |
1871 | return error("Missing value for '%s'", var); | |
1872 | } | |
1b86bbb0 JK |
1873 | |
1874 | int parse_config_key(const char *var, | |
1875 | const char *section, | |
1876 | const char **subsection, int *subsection_len, | |
1877 | const char **key) | |
1878 | { | |
1879 | int section_len = strlen(section); | |
1880 | const char *dot; | |
1881 | ||
1882 | /* Does it start with "section." ? */ | |
59556548 | 1883 | if (!starts_with(var, section) || var[section_len] != '.') |
1b86bbb0 JK |
1884 | return -1; |
1885 | ||
1886 | /* | |
1887 | * Find the key; we don't know yet if we have a subsection, but we must | |
1888 | * parse backwards from the end, since the subsection may have dots in | |
1889 | * it, too. | |
1890 | */ | |
1891 | dot = strrchr(var, '.'); | |
1892 | *key = dot + 1; | |
1893 | ||
1894 | /* Did we have a subsection at all? */ | |
1895 | if (dot == var + section_len) { | |
1896 | *subsection = NULL; | |
1897 | *subsection_len = 0; | |
1898 | } | |
1899 | else { | |
1900 | *subsection = var + section_len + 1; | |
1901 | *subsection_len = dot - *subsection; | |
1902 | } | |
1903 | ||
1904 | return 0; | |
1905 | } |