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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; |
b2dc0945 | 24 | int die_on_error; |
924aaf3e RJ |
25 | int linenr; |
26 | int eof; | |
27 | struct strbuf value; | |
0971e992 | 28 | struct strbuf var; |
924aaf3e | 29 | |
49d6cfa5 JK |
30 | int (*do_fgetc)(struct config_source *c); |
31 | int (*do_ungetc)(int c, struct config_source *conf); | |
32 | long (*do_ftell)(struct config_source *c); | |
4d8dd149 HV |
33 | }; |
34 | ||
35 | static struct config_source *cf; | |
924aaf3e | 36 | |
960ccca6 DH |
37 | static int zlib_compression_seen; |
38 | ||
4d8dd149 HV |
39 | static int config_file_fgetc(struct config_source *conf) |
40 | { | |
41 | return fgetc(conf->u.file); | |
42 | } | |
43 | ||
44 | static int config_file_ungetc(int c, struct config_source *conf) | |
45 | { | |
46 | return ungetc(c, conf->u.file); | |
47 | } | |
48 | ||
49 | static long config_file_ftell(struct config_source *conf) | |
50 | { | |
51 | return ftell(conf->u.file); | |
52 | } | |
53 | ||
1bc88819 HV |
54 | |
55 | static int config_buf_fgetc(struct config_source *conf) | |
56 | { | |
57 | if (conf->u.buf.pos < conf->u.buf.len) | |
58 | return conf->u.buf.buf[conf->u.buf.pos++]; | |
59 | ||
60 | return EOF; | |
61 | } | |
62 | ||
63 | static int config_buf_ungetc(int c, struct config_source *conf) | |
64 | { | |
65 | if (conf->u.buf.pos > 0) | |
66 | return conf->u.buf.buf[--conf->u.buf.pos]; | |
67 | ||
68 | return EOF; | |
69 | } | |
70 | ||
71 | static long config_buf_ftell(struct config_source *conf) | |
72 | { | |
73 | return conf->u.buf.pos; | |
74 | } | |
75 | ||
9b25a0b5 JK |
76 | #define MAX_INCLUDE_DEPTH 10 |
77 | static const char include_depth_advice[] = | |
78 | "exceeded maximum include depth (%d) while including\n" | |
79 | " %s\n" | |
80 | "from\n" | |
81 | " %s\n" | |
82 | "Do you have circular includes?"; | |
83 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
84 | { | |
85 | int ret = 0; | |
86 | struct strbuf buf = STRBUF_INIT; | |
67beb600 | 87 | char *expanded; |
4c0a89fc | 88 | |
67beb600 JK |
89 | if (!path) |
90 | return config_error_nonbool("include.path"); | |
91 | ||
92 | expanded = expand_user_path(path); | |
4c0a89fc JK |
93 | if (!expanded) |
94 | return error("Could not expand include path '%s'", path); | |
95 | path = expanded; | |
9b25a0b5 JK |
96 | |
97 | /* | |
98 | * Use an absolute path as-is, but interpret relative paths | |
99 | * based on the including config file. | |
100 | */ | |
101 | if (!is_absolute_path(path)) { | |
102 | char *slash; | |
103 | ||
104 | if (!cf || !cf->name) | |
105 | return error("relative config includes must come from files"); | |
106 | ||
107 | slash = find_last_dir_sep(cf->name); | |
108 | if (slash) | |
109 | strbuf_add(&buf, cf->name, slash - cf->name + 1); | |
110 | strbuf_addstr(&buf, path); | |
111 | path = buf.buf; | |
112 | } | |
113 | ||
4698c8fe | 114 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
115 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
116 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
117 | cf && cf->name ? cf->name : "the command line"); | |
118 | ret = git_config_from_file(git_config_include, path, inc); | |
119 | inc->depth--; | |
120 | } | |
121 | strbuf_release(&buf); | |
4c0a89fc | 122 | free(expanded); |
9b25a0b5 JK |
123 | return ret; |
124 | } | |
125 | ||
126 | int git_config_include(const char *var, const char *value, void *data) | |
127 | { | |
128 | struct config_include_data *inc = data; | |
129 | const char *type; | |
130 | int ret; | |
131 | ||
132 | /* | |
133 | * Pass along all values, including "include" directives; this makes it | |
134 | * possible to query information on the includes themselves. | |
135 | */ | |
136 | ret = inc->fn(var, value, inc->data); | |
137 | if (ret < 0) | |
138 | return ret; | |
139 | ||
140 | type = skip_prefix(var, "include."); | |
141 | if (!type) | |
142 | return ret; | |
143 | ||
144 | if (!strcmp(type, "path")) | |
145 | ret = handle_path_include(value, inc); | |
146 | return ret; | |
147 | } | |
148 | ||
8b1fa778 AR |
149 | static void lowercase(char *p) |
150 | { | |
151 | for (; *p; p++) | |
152 | *p = tolower(*p); | |
153 | } | |
8b1fa778 | 154 | |
2b64fc89 JK |
155 | void git_config_push_parameter(const char *text) |
156 | { | |
157 | struct strbuf env = STRBUF_INIT; | |
158 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
159 | if (old) { | |
160 | strbuf_addstr(&env, old); | |
161 | strbuf_addch(&env, ' '); | |
162 | } | |
163 | sq_quote_buf(&env, text); | |
164 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
165 | strbuf_release(&env); | |
166 | } | |
167 | ||
2496844b JK |
168 | int git_config_parse_parameter(const char *text, |
169 | config_fn_t fn, void *data) | |
8b1fa778 | 170 | { |
572e4f6a | 171 | struct strbuf **pair; |
f77bccae | 172 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
173 | if (!pair[0]) |
174 | return error("bogus config parameter: %s", text); | |
572e4f6a AR |
175 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') |
176 | strbuf_setlen(pair[0], pair[0]->len - 1); | |
177 | strbuf_trim(pair[0]); | |
178 | if (!pair[0]->len) { | |
179 | strbuf_list_free(pair); | |
06eb708f | 180 | return error("bogus config parameter: %s", text); |
8b1fa778 | 181 | } |
06eb708f JK |
182 | lowercase(pair[0]->buf); |
183 | if (fn(pair[0]->buf, pair[1] ? pair[1]->buf : NULL, data) < 0) { | |
184 | strbuf_list_free(pair); | |
185 | return -1; | |
572e4f6a AR |
186 | } |
187 | strbuf_list_free(pair); | |
8b1fa778 AR |
188 | return 0; |
189 | } | |
190 | ||
06eb708f JK |
191 | int git_config_from_parameters(config_fn_t fn, void *data) |
192 | { | |
2b64fc89 JK |
193 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
194 | char *envw; | |
195 | const char **argv = NULL; | |
196 | int nr = 0, alloc = 0; | |
197 | int i; | |
198 | ||
199 | if (!env) | |
200 | return 0; | |
201 | /* sq_dequote will write over it */ | |
202 | envw = xstrdup(env); | |
203 | ||
204 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
205 | free(envw); | |
206 | return error("bogus format in " CONFIG_DATA_ENVIRONMENT); | |
207 | } | |
208 | ||
209 | for (i = 0; i < nr; i++) { | |
06eb708f | 210 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
2b64fc89 JK |
211 | free(argv); |
212 | free(envw); | |
213 | return -1; | |
214 | } | |
215 | } | |
216 | ||
217 | free(argv); | |
218 | free(envw); | |
06eb708f | 219 | return nr > 0; |
2b64fc89 JK |
220 | } |
221 | ||
17712991 LT |
222 | static int get_next_char(void) |
223 | { | |
49d6cfa5 | 224 | int c = cf->do_fgetc(cf); |
17712991 | 225 | |
dbb9a812 HV |
226 | if (c == '\r') { |
227 | /* DOS like systems */ | |
49d6cfa5 | 228 | c = cf->do_fgetc(cf); |
dbb9a812 | 229 | if (c != '\n') { |
49d6cfa5 | 230 | cf->do_ungetc(c, cf); |
dbb9a812 | 231 | c = '\r'; |
17712991 LT |
232 | } |
233 | } | |
dbb9a812 HV |
234 | if (c == '\n') |
235 | cf->linenr++; | |
236 | if (c == EOF) { | |
237 | cf->eof = 1; | |
238 | c = '\n'; | |
239 | } | |
17712991 LT |
240 | return c; |
241 | } | |
242 | ||
243 | static char *parse_value(void) | |
244 | { | |
e96c19c5 | 245 | int quote = 0, comment = 0, space = 0; |
17712991 | 246 | |
924aaf3e | 247 | strbuf_reset(&cf->value); |
17712991 LT |
248 | for (;;) { |
249 | int c = get_next_char(); | |
17712991 | 250 | if (c == '\n') { |
4b340593 MS |
251 | if (quote) { |
252 | cf->linenr--; | |
17712991 | 253 | return NULL; |
4b340593 | 254 | } |
924aaf3e | 255 | return cf->value.buf; |
17712991 LT |
256 | } |
257 | if (comment) | |
258 | continue; | |
259 | if (isspace(c) && !quote) { | |
924aaf3e | 260 | if (cf->value.len) |
ebdaae37 | 261 | space++; |
17712991 LT |
262 | continue; |
263 | } | |
7ebdba61 JS |
264 | if (!quote) { |
265 | if (c == ';' || c == '#') { | |
266 | comment = 1; | |
267 | continue; | |
268 | } | |
269 | } | |
ebdaae37 | 270 | for (; space; space--) |
924aaf3e | 271 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
272 | if (c == '\\') { |
273 | c = get_next_char(); | |
274 | switch (c) { | |
275 | case '\n': | |
276 | continue; | |
277 | case 't': | |
278 | c = '\t'; | |
279 | break; | |
280 | case 'b': | |
281 | c = '\b'; | |
282 | break; | |
283 | case 'n': | |
284 | c = '\n'; | |
285 | break; | |
5cbb401d LT |
286 | /* Some characters escape as themselves */ |
287 | case '\\': case '"': | |
288 | break; | |
289 | /* Reject unknown escape sequences */ | |
290 | default: | |
291 | return NULL; | |
17712991 | 292 | } |
924aaf3e | 293 | strbuf_addch(&cf->value, c); |
17712991 LT |
294 | continue; |
295 | } | |
296 | if (c == '"') { | |
297 | quote = 1-quote; | |
298 | continue; | |
299 | } | |
924aaf3e | 300 | strbuf_addch(&cf->value, c); |
17712991 LT |
301 | } |
302 | } | |
303 | ||
38c5afa8 LT |
304 | static inline int iskeychar(int c) |
305 | { | |
306 | return isalnum(c) || c == '-'; | |
307 | } | |
308 | ||
0971e992 | 309 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
310 | { |
311 | int c; | |
312 | char *value; | |
313 | ||
314 | /* Get the full name */ | |
315 | for (;;) { | |
316 | c = get_next_char(); | |
924aaf3e | 317 | if (cf->eof) |
17712991 | 318 | break; |
38c5afa8 | 319 | if (!iskeychar(c)) |
17712991 | 320 | break; |
0971e992 | 321 | strbuf_addch(name, tolower(c)); |
17712991 | 322 | } |
0971e992 | 323 | |
17712991 LT |
324 | while (c == ' ' || c == '\t') |
325 | c = get_next_char(); | |
326 | ||
327 | value = NULL; | |
328 | if (c != '\n') { | |
329 | if (c != '=') | |
330 | return -1; | |
331 | value = parse_value(); | |
332 | if (!value) | |
333 | return -1; | |
334 | } | |
0971e992 | 335 | return fn(name->buf, value, data); |
17712991 LT |
336 | } |
337 | ||
0971e992 | 338 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
339 | { |
340 | do { | |
341 | if (c == '\n') | |
4b340593 | 342 | goto error_incomplete_line; |
d14f7764 LT |
343 | c = get_next_char(); |
344 | } while (isspace(c)); | |
345 | ||
346 | /* We require the format to be '[base "extension"]' */ | |
347 | if (c != '"') | |
348 | return -1; | |
0971e992 | 349 | strbuf_addch(name, '.'); |
d14f7764 LT |
350 | |
351 | for (;;) { | |
352 | int c = get_next_char(); | |
353 | if (c == '\n') | |
4b340593 | 354 | goto error_incomplete_line; |
d14f7764 LT |
355 | if (c == '"') |
356 | break; | |
357 | if (c == '\\') { | |
358 | c = get_next_char(); | |
359 | if (c == '\n') | |
4b340593 | 360 | goto error_incomplete_line; |
d14f7764 | 361 | } |
0971e992 | 362 | strbuf_addch(name, c); |
d14f7764 LT |
363 | } |
364 | ||
365 | /* Final ']' */ | |
366 | if (get_next_char() != ']') | |
367 | return -1; | |
0971e992 | 368 | return 0; |
4b340593 MS |
369 | error_incomplete_line: |
370 | cf->linenr--; | |
371 | return -1; | |
d14f7764 LT |
372 | } |
373 | ||
0971e992 | 374 | static int get_base_var(struct strbuf *name) |
17712991 | 375 | { |
17712991 LT |
376 | for (;;) { |
377 | int c = get_next_char(); | |
924aaf3e | 378 | if (cf->eof) |
17712991 LT |
379 | return -1; |
380 | if (c == ']') | |
0971e992 | 381 | return 0; |
d14f7764 | 382 | if (isspace(c)) |
0971e992 | 383 | return get_extended_base_var(name, c); |
38c5afa8 | 384 | if (!iskeychar(c) && c != '.') |
17712991 | 385 | return -1; |
0971e992 | 386 | strbuf_addch(name, tolower(c)); |
17712991 LT |
387 | } |
388 | } | |
389 | ||
4d8dd149 | 390 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
391 | { |
392 | int comment = 0; | |
393 | int baselen = 0; | |
0971e992 | 394 | struct strbuf *var = &cf->var; |
17712991 | 395 | |
de056402 PB |
396 | /* U+FEFF Byte Order Mark in UTF8 */ |
397 | static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf"; | |
398 | const unsigned char *bomptr = utf8_bom; | |
399 | ||
17712991 LT |
400 | for (;;) { |
401 | int c = get_next_char(); | |
de056402 PB |
402 | if (bomptr && *bomptr) { |
403 | /* We are at the file beginning; skip UTF8-encoded BOM | |
404 | * if present. Sane editors won't put this in on their | |
405 | * own, but e.g. Windows Notepad will do it happily. */ | |
406 | if ((unsigned char) c == *bomptr) { | |
407 | bomptr++; | |
408 | continue; | |
409 | } else { | |
410 | /* Do not tolerate partial BOM. */ | |
411 | if (bomptr != utf8_bom) | |
412 | break; | |
413 | /* No BOM at file beginning. Cool. */ | |
414 | bomptr = NULL; | |
415 | } | |
416 | } | |
17712991 | 417 | if (c == '\n') { |
924aaf3e | 418 | if (cf->eof) |
17712991 LT |
419 | return 0; |
420 | comment = 0; | |
421 | continue; | |
422 | } | |
423 | if (comment || isspace(c)) | |
424 | continue; | |
425 | if (c == '#' || c == ';') { | |
426 | comment = 1; | |
427 | continue; | |
428 | } | |
429 | if (c == '[') { | |
0971e992 BW |
430 | /* Reset prior to determining a new stem */ |
431 | strbuf_reset(var); | |
432 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 433 | break; |
0971e992 BW |
434 | strbuf_addch(var, '.'); |
435 | baselen = var->len; | |
17712991 LT |
436 | continue; |
437 | } | |
438 | if (!isalpha(c)) | |
439 | break; | |
0971e992 BW |
440 | /* |
441 | * Truncate the var name back to the section header | |
442 | * stem prior to grabbing the suffix part of the name | |
443 | * and the value. | |
444 | */ | |
445 | strbuf_setlen(var, baselen); | |
446 | strbuf_addch(var, tolower(c)); | |
447 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
448 | break; |
449 | } | |
b2dc0945 HV |
450 | if (cf->die_on_error) |
451 | die("bad config file line %d in %s", cf->linenr, cf->name); | |
452 | else | |
453 | return error("bad config file line %d in %s", cf->linenr, cf->name); | |
17712991 LT |
454 | } |
455 | ||
ebaa1bd4 | 456 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
457 | { |
458 | if (!*end) | |
459 | return 1; | |
c8deb5a1 SP |
460 | else if (!strcasecmp(end, "k")) { |
461 | *val *= 1024; | |
462 | return 1; | |
463 | } | |
464 | else if (!strcasecmp(end, "m")) { | |
465 | *val *= 1024 * 1024; | |
466 | return 1; | |
467 | } | |
468 | else if (!strcasecmp(end, "g")) { | |
469 | *val *= 1024 * 1024 * 1024; | |
470 | return 1; | |
471 | } | |
472 | return 0; | |
0b87b6e0 BD |
473 | } |
474 | ||
7192777d | 475 | static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max) |
0b87b6e0 BD |
476 | { |
477 | if (value && *value) { | |
478 | char *end; | |
ebaa1bd4 NA |
479 | intmax_t val; |
480 | uintmax_t uval; | |
481 | uintmax_t factor = 1; | |
482 | ||
483 | errno = 0; | |
484 | val = strtoimax(value, &end, 0); | |
485 | if (errno == ERANGE) | |
486 | return 0; | |
33fdd77e JK |
487 | if (!parse_unit_factor(end, &factor)) { |
488 | errno = EINVAL; | |
c8deb5a1 | 489 | return 0; |
33fdd77e | 490 | } |
ebaa1bd4 NA |
491 | uval = abs(val); |
492 | uval *= factor; | |
33fdd77e JK |
493 | if (uval > max || abs(val) > uval) { |
494 | errno = ERANGE; | |
ebaa1bd4 | 495 | return 0; |
33fdd77e | 496 | } |
ebaa1bd4 NA |
497 | val *= factor; |
498 | *ret = val; | |
0b87b6e0 BD |
499 | return 1; |
500 | } | |
33fdd77e | 501 | errno = EINVAL; |
0b87b6e0 BD |
502 | return 0; |
503 | } | |
504 | ||
0b4dc661 | 505 | static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max) |
17712991 LT |
506 | { |
507 | if (value && *value) { | |
508 | char *end; | |
ebaa1bd4 NA |
509 | uintmax_t val; |
510 | uintmax_t oldval; | |
511 | ||
512 | errno = 0; | |
513 | val = strtoumax(value, &end, 0); | |
514 | if (errno == ERANGE) | |
515 | return 0; | |
516 | oldval = val; | |
33fdd77e JK |
517 | if (!parse_unit_factor(end, &val)) { |
518 | errno = EINVAL; | |
c8deb5a1 | 519 | return 0; |
33fdd77e JK |
520 | } |
521 | if (val > max || oldval > val) { | |
522 | errno = ERANGE; | |
ebaa1bd4 | 523 | return 0; |
33fdd77e | 524 | } |
c8deb5a1 | 525 | *ret = val; |
0b87b6e0 | 526 | return 1; |
17712991 | 527 | } |
33fdd77e | 528 | errno = EINVAL; |
0b87b6e0 BD |
529 | return 0; |
530 | } | |
531 | ||
42d194e9 | 532 | static int git_parse_int(const char *value, int *ret) |
c1867cea | 533 | { |
7192777d | 534 | intmax_t tmp; |
42d194e9 | 535 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int))) |
7192777d JK |
536 | return 0; |
537 | *ret = tmp; | |
538 | return 1; | |
539 | } | |
540 | ||
00160242 JK |
541 | static int git_parse_int64(const char *value, int64_t *ret) |
542 | { | |
543 | intmax_t tmp; | |
544 | if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t))) | |
545 | return 0; | |
546 | *ret = tmp; | |
547 | return 1; | |
548 | } | |
549 | ||
7192777d JK |
550 | int git_parse_ulong(const char *value, unsigned long *ret) |
551 | { | |
552 | uintmax_t tmp; | |
553 | if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long))) | |
554 | return 0; | |
555 | *ret = tmp; | |
556 | return 1; | |
557 | } | |
558 | ||
2f666581 | 559 | static void die_bad_number(const char *name, const char *value) |
c1867cea | 560 | { |
2f666581 JK |
561 | const char *reason = errno == ERANGE ? |
562 | "out of range" : | |
563 | "invalid unit"; | |
564 | if (!value) | |
565 | value = ""; | |
566 | ||
924aaf3e | 567 | if (cf && cf->name) |
2f666581 JK |
568 | die("bad numeric config value '%s' for '%s' in %s: %s", |
569 | value, name, cf->name, reason); | |
570 | die("bad numeric config value '%s' for '%s': %s", value, name, reason); | |
c1867cea JK |
571 | } |
572 | ||
0b87b6e0 BD |
573 | int git_config_int(const char *name, const char *value) |
574 | { | |
42d194e9 JK |
575 | int ret; |
576 | if (!git_parse_int(value, &ret)) | |
2f666581 | 577 | die_bad_number(name, value); |
0b87b6e0 BD |
578 | return ret; |
579 | } | |
580 | ||
00160242 JK |
581 | int64_t git_config_int64(const char *name, const char *value) |
582 | { | |
583 | int64_t ret; | |
584 | if (!git_parse_int64(value, &ret)) | |
585 | die_bad_number(name, value); | |
0b87b6e0 BD |
586 | return ret; |
587 | } | |
588 | ||
589 | unsigned long git_config_ulong(const char *name, const char *value) | |
590 | { | |
591 | unsigned long ret; | |
592 | if (!git_parse_ulong(value, &ret)) | |
2f666581 | 593 | die_bad_number(name, value); |
0b87b6e0 | 594 | return ret; |
17712991 LT |
595 | } |
596 | ||
b2be2f6a | 597 | static int git_config_maybe_bool_text(const char *name, const char *value) |
17712991 LT |
598 | { |
599 | if (!value) | |
600 | return 1; | |
601 | if (!*value) | |
602 | return 0; | |
8420ccd8 JH |
603 | if (!strcasecmp(value, "true") |
604 | || !strcasecmp(value, "yes") | |
605 | || !strcasecmp(value, "on")) | |
17712991 | 606 | return 1; |
8420ccd8 JH |
607 | if (!strcasecmp(value, "false") |
608 | || !strcasecmp(value, "no") | |
609 | || !strcasecmp(value, "off")) | |
17712991 | 610 | return 0; |
8420ccd8 JH |
611 | return -1; |
612 | } | |
613 | ||
b2be2f6a JK |
614 | int git_config_maybe_bool(const char *name, const char *value) |
615 | { | |
42d194e9 | 616 | int v = git_config_maybe_bool_text(name, value); |
b2be2f6a JK |
617 | if (0 <= v) |
618 | return v; | |
42d194e9 | 619 | if (git_parse_int(value, &v)) |
db6195ef | 620 | return !!v; |
b2be2f6a JK |
621 | return -1; |
622 | } | |
623 | ||
8420ccd8 JH |
624 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
625 | { | |
b2be2f6a | 626 | int v = git_config_maybe_bool_text(name, value); |
8420ccd8 JH |
627 | if (0 <= v) { |
628 | *is_bool = 1; | |
629 | return v; | |
630 | } | |
a53f2ec6 | 631 | *is_bool = 0; |
c35b0b58 | 632 | return git_config_int(name, value); |
17712991 LT |
633 | } |
634 | ||
a53f2ec6 JH |
635 | int git_config_bool(const char *name, const char *value) |
636 | { | |
637 | int discard; | |
c35b0b58 | 638 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
639 | } |
640 | ||
ea5105a5 CC |
641 | int git_config_string(const char **dest, const char *var, const char *value) |
642 | { | |
643 | if (!value) | |
644 | return config_error_nonbool(var); | |
645 | *dest = xstrdup(value); | |
646 | return 0; | |
647 | } | |
648 | ||
395de250 MM |
649 | int git_config_pathname(const char **dest, const char *var, const char *value) |
650 | { | |
651 | if (!value) | |
652 | return config_error_nonbool(var); | |
653 | *dest = expand_user_path(value); | |
654 | if (!*dest) | |
655 | die("Failed to expand user dir in: '%s'", value); | |
656 | return 0; | |
657 | } | |
658 | ||
806e2ad7 | 659 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
660 | { |
661 | /* This needs a better name */ | |
662 | if (!strcmp(var, "core.filemode")) { | |
663 | trust_executable_bit = git_config_bool(var, value); | |
664 | return 0; | |
665 | } | |
1ce4790b AR |
666 | if (!strcmp(var, "core.trustctime")) { |
667 | trust_ctime = git_config_bool(var, value); | |
668 | return 0; | |
669 | } | |
6f4dd60d JH |
670 | if (!strcmp(var, "core.statinfo") || |
671 | !strcmp(var, "core.checkstat")) { | |
672 | /* | |
673 | * NEEDSWORK: statinfo was a typo in v1.8.2 that has | |
674 | * never been advertised. we will remove it at Git | |
675 | * 2.0 boundary. | |
676 | */ | |
677 | if (!strcmp(var, "core.statinfo")) { | |
678 | static int warned; | |
679 | if (!warned++) { | |
680 | warning("'core.statinfo' will be removed in Git 2.0; " | |
681 | "use 'core.checkstat' instead."); | |
682 | } | |
683 | } | |
c08e4d5b RR |
684 | if (!strcasecmp(value, "default")) |
685 | check_stat = 1; | |
686 | else if (!strcasecmp(value, "minimal")) | |
687 | check_stat = 0; | |
688 | } | |
17712991 | 689 | |
9378c161 JH |
690 | if (!strcmp(var, "core.quotepath")) { |
691 | quote_path_fully = git_config_bool(var, value); | |
692 | return 0; | |
693 | } | |
694 | ||
78a8d641 JS |
695 | if (!strcmp(var, "core.symlinks")) { |
696 | has_symlinks = git_config_bool(var, value); | |
697 | return 0; | |
698 | } | |
699 | ||
0a9b88b7 LT |
700 | if (!strcmp(var, "core.ignorecase")) { |
701 | ignore_case = git_config_bool(var, value); | |
702 | return 0; | |
703 | } | |
704 | ||
64589a03 JH |
705 | if (!strcmp(var, "core.attributesfile")) |
706 | return git_config_pathname(&git_attributes_file, var, value); | |
707 | ||
7d1864ce JH |
708 | if (!strcmp(var, "core.bare")) { |
709 | is_bare_repository_cfg = git_config_bool(var, value); | |
710 | return 0; | |
711 | } | |
712 | ||
5f73076c JH |
713 | if (!strcmp(var, "core.ignorestat")) { |
714 | assume_unchanged = git_config_bool(var, value); | |
715 | return 0; | |
716 | } | |
717 | ||
e388c738 JH |
718 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
719 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
720 | return 0; |
721 | } | |
722 | ||
6de08ae6 SP |
723 | if (!strcmp(var, "core.logallrefupdates")) { |
724 | log_all_ref_updates = git_config_bool(var, value); | |
725 | return 0; | |
726 | } | |
727 | ||
2f8acdb3 JH |
728 | if (!strcmp(var, "core.warnambiguousrefs")) { |
729 | warn_ambiguous_refs = git_config_bool(var, value); | |
730 | return 0; | |
731 | } | |
732 | ||
a71f09fe | 733 | if (!strcmp(var, "core.abbrev")) { |
dce96489 LT |
734 | int abbrev = git_config_int(var, value); |
735 | if (abbrev < minimum_abbrev || abbrev > 40) | |
736 | return -1; | |
737 | default_abbrev = abbrev; | |
738 | return 0; | |
739 | } | |
740 | ||
960ccca6 | 741 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
742 | int level = git_config_int(var, value); |
743 | if (level == -1) | |
744 | level = Z_DEFAULT_COMPRESSION; | |
745 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
746 | die("bad zlib compression level %d", level); | |
747 | zlib_compression_level = level; | |
960ccca6 DH |
748 | zlib_compression_seen = 1; |
749 | return 0; | |
750 | } | |
751 | ||
752 | if (!strcmp(var, "core.compression")) { | |
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) | |
757 | die("bad zlib compression level %d", level); | |
758 | core_compression_level = level; | |
759 | core_compression_seen = 1; | |
760 | if (!zlib_compression_seen) | |
761 | zlib_compression_level = level; | |
12f6c308 JBH |
762 | return 0; |
763 | } | |
764 | ||
60bb8b14 | 765 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 766 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 767 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
768 | |
769 | /* This value must be multiple of (pagesize * 2) */ | |
770 | packed_git_window_size /= pgsz_x2; | |
771 | if (packed_git_window_size < 1) | |
772 | packed_git_window_size = 1; | |
773 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
774 | return 0; |
775 | } | |
776 | ||
15366280 | 777 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 778 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
779 | return 0; |
780 | } | |
781 | ||
77ccc5bb | 782 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 783 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
784 | return 0; |
785 | } | |
786 | ||
18bdec11 | 787 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 788 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
789 | return 0; |
790 | } | |
791 | ||
6c510bee | 792 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 793 | if (value && !strcasecmp(value, "input")) { |
ec70f52f | 794 | if (core_eol == EOL_CRLF) |
942e7747 | 795 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
fd6cce9e | 796 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
797 | return 0; |
798 | } | |
6c510bee LT |
799 | auto_crlf = git_config_bool(var, value); |
800 | return 0; | |
801 | } | |
802 | ||
21e5ad50 SP |
803 | if (!strcmp(var, "core.safecrlf")) { |
804 | if (value && !strcasecmp(value, "warn")) { | |
805 | safe_crlf = SAFE_CRLF_WARN; | |
806 | return 0; | |
807 | } | |
808 | safe_crlf = git_config_bool(var, value); | |
809 | return 0; | |
810 | } | |
811 | ||
942e7747 EB |
812 | if (!strcmp(var, "core.eol")) { |
813 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 814 | core_eol = EOL_LF; |
942e7747 | 815 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 816 | core_eol = EOL_CRLF; |
942e7747 | 817 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 818 | core_eol = EOL_NATIVE; |
942e7747 | 819 | else |
ec70f52f JH |
820 | core_eol = EOL_UNSET; |
821 | if (core_eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT) | |
942e7747 EB |
822 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
823 | return 0; | |
824 | } | |
825 | ||
a97a7468 JS |
826 | if (!strcmp(var, "core.notesref")) { |
827 | notes_ref_name = xstrdup(value); | |
828 | return 0; | |
829 | } | |
830 | ||
806e2ad7 LT |
831 | if (!strcmp(var, "core.pager")) |
832 | return git_config_string(&pager_program, var, value); | |
833 | ||
834 | if (!strcmp(var, "core.editor")) | |
835 | return git_config_string(&editor_program, var, value); | |
836 | ||
eff80a9f JH |
837 | if (!strcmp(var, "core.commentchar")) { |
838 | const char *comment; | |
839 | int ret = git_config_string(&comment, var, value); | |
840 | if (!ret) | |
841 | comment_line_char = comment[0]; | |
842 | return ret; | |
843 | } | |
844 | ||
d3e7da89 AK |
845 | if (!strcmp(var, "core.askpass")) |
846 | return git_config_string(&askpass_program, var, value); | |
847 | ||
806e2ad7 | 848 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 849 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
850 | |
851 | if (!strcmp(var, "core.whitespace")) { | |
852 | if (!value) | |
853 | return config_error_nonbool(var); | |
854 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
855 | return 0; | |
856 | } | |
857 | ||
aafe9fba LT |
858 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
859 | fsync_object_files = git_config_bool(var, value); | |
860 | return 0; | |
861 | } | |
862 | ||
671c9b7e LT |
863 | if (!strcmp(var, "core.preloadindex")) { |
864 | core_preload_index = git_config_bool(var, value); | |
865 | return 0; | |
866 | } | |
867 | ||
348df166 JS |
868 | if (!strcmp(var, "core.createobject")) { |
869 | if (!strcmp(value, "rename")) | |
870 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
871 | else if (!strcmp(value, "link")) | |
872 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
873 | else | |
874 | die("Invalid mode for object creation: %s", value); | |
be66a6c4 JS |
875 | return 0; |
876 | } | |
877 | ||
08aefc9e NTND |
878 | if (!strcmp(var, "core.sparsecheckout")) { |
879 | core_apply_sparse_checkout = git_config_bool(var, value); | |
880 | return 0; | |
881 | } | |
882 | ||
76759c7d TB |
883 | if (!strcmp(var, "core.precomposeunicode")) { |
884 | precomposed_unicode = git_config_bool(var, value); | |
885 | return 0; | |
886 | } | |
887 | ||
806e2ad7 LT |
888 | /* Add other config variables here and to Documentation/config.txt. */ |
889 | return 0; | |
890 | } | |
891 | ||
1141f492 | 892 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 893 | { |
ea5105a5 CC |
894 | if (!strcmp(var, "i18n.commitencoding")) |
895 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 896 | |
ea5105a5 CC |
897 | if (!strcmp(var, "i18n.logoutputencoding")) |
898 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 899 | |
1141f492 LT |
900 | /* Add other config variables here and to Documentation/config.txt. */ |
901 | return 0; | |
902 | } | |
039bc64e | 903 | |
1141f492 LT |
904 | static int git_default_branch_config(const char *var, const char *value) |
905 | { | |
9ed36cfa JS |
906 | if (!strcmp(var, "branch.autosetupmerge")) { |
907 | if (value && !strcasecmp(value, "always")) { | |
908 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
909 | return 0; | |
910 | } | |
911 | git_branch_track = git_config_bool(var, value); | |
912 | return 0; | |
913 | } | |
c998ae9b DS |
914 | if (!strcmp(var, "branch.autosetuprebase")) { |
915 | if (!value) | |
916 | return config_error_nonbool(var); | |
917 | else if (!strcmp(value, "never")) | |
918 | autorebase = AUTOREBASE_NEVER; | |
919 | else if (!strcmp(value, "local")) | |
920 | autorebase = AUTOREBASE_LOCAL; | |
921 | else if (!strcmp(value, "remote")) | |
922 | autorebase = AUTOREBASE_REMOTE; | |
923 | else if (!strcmp(value, "always")) | |
924 | autorebase = AUTOREBASE_ALWAYS; | |
925 | else | |
926 | return error("Malformed value for %s", var); | |
927 | return 0; | |
928 | } | |
a9cc857a | 929 | |
1ab661dd | 930 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
931 | return 0; |
932 | } | |
933 | ||
52153747 FAG |
934 | static int git_default_push_config(const char *var, const char *value) |
935 | { | |
936 | if (!strcmp(var, "push.default")) { | |
937 | if (!value) | |
938 | return config_error_nonbool(var); | |
939 | else if (!strcmp(value, "nothing")) | |
940 | push_default = PUSH_DEFAULT_NOTHING; | |
941 | else if (!strcmp(value, "matching")) | |
942 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
943 | else if (!strcmp(value, "simple")) |
944 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
945 | else if (!strcmp(value, "upstream")) |
946 | push_default = PUSH_DEFAULT_UPSTREAM; | |
947 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
948 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
949 | else if (!strcmp(value, "current")) |
950 | push_default = PUSH_DEFAULT_CURRENT; | |
951 | else { | |
952 | error("Malformed value for %s: %s", var, value); | |
b55e6775 MM |
953 | return error("Must be one of nothing, matching, simple, " |
954 | "upstream or current."); | |
52153747 FAG |
955 | } |
956 | return 0; | |
957 | } | |
958 | ||
959 | /* Add other config variables here and to Documentation/config.txt. */ | |
960 | return 0; | |
961 | } | |
962 | ||
d551a488 MSO |
963 | static int git_default_mailmap_config(const char *var, const char *value) |
964 | { | |
965 | if (!strcmp(var, "mailmap.file")) | |
966 | return git_config_string(&git_mailmap_file, var, value); | |
08610900 JK |
967 | if (!strcmp(var, "mailmap.blob")) |
968 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
969 | |
970 | /* Add other config variables here and to Documentation/config.txt. */ | |
971 | return 0; | |
972 | } | |
973 | ||
1141f492 LT |
974 | int git_default_config(const char *var, const char *value, void *dummy) |
975 | { | |
59556548 | 976 | if (starts_with(var, "core.")) |
1141f492 LT |
977 | return git_default_core_config(var, value); |
978 | ||
59556548 | 979 | if (starts_with(var, "user.")) |
9597921b | 980 | return git_ident_config(var, value, dummy); |
1141f492 | 981 | |
59556548 | 982 | if (starts_with(var, "i18n.")) |
1141f492 LT |
983 | return git_default_i18n_config(var, value); |
984 | ||
59556548 | 985 | if (starts_with(var, "branch.")) |
1141f492 LT |
986 | return git_default_branch_config(var, value); |
987 | ||
59556548 | 988 | if (starts_with(var, "push.")) |
52153747 FAG |
989 | return git_default_push_config(var, value); |
990 | ||
59556548 | 991 | if (starts_with(var, "mailmap.")) |
d551a488 MSO |
992 | return git_default_mailmap_config(var, value); |
993 | ||
59556548 | 994 | if (starts_with(var, "advice.")) |
75194438 JK |
995 | return git_default_advice_config(var, value); |
996 | ||
1141f492 LT |
997 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
998 | pager_use_color = git_config_bool(var,value); | |
999 | return 0; | |
1000 | } | |
1001 | ||
568508e7 JH |
1002 | if (!strcmp(var, "pack.packsizelimit")) { |
1003 | pack_size_limit_cfg = git_config_ulong(var, value); | |
1004 | return 0; | |
1005 | } | |
1141f492 LT |
1006 | /* Add other config variables here and to Documentation/config.txt. */ |
1007 | return 0; | |
1008 | } | |
1009 | ||
ca4b5de2 | 1010 | /* |
b2dc0945 | 1011 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 1012 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
1013 | * this function. |
1014 | */ | |
4d8dd149 | 1015 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
1016 | { |
1017 | int ret; | |
1018 | ||
1019 | /* push config-file parsing state stack */ | |
1020 | top->prev = cf; | |
1021 | top->linenr = 1; | |
1022 | top->eof = 0; | |
1023 | strbuf_init(&top->value, 1024); | |
1024 | strbuf_init(&top->var, 1024); | |
1025 | cf = top; | |
1026 | ||
4d8dd149 | 1027 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
1028 | |
1029 | /* pop config-file parsing state stack */ | |
1030 | strbuf_release(&top->value); | |
1031 | strbuf_release(&top->var); | |
1032 | cf = top->prev; | |
1033 | ||
1034 | return ret; | |
1035 | } | |
1036 | ||
ef90d6d4 | 1037 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) |
17712991 LT |
1038 | { |
1039 | int ret; | |
4f629539 | 1040 | FILE *f = fopen(filename, "r"); |
17712991 LT |
1041 | |
1042 | ret = -1; | |
1043 | if (f) { | |
4d8dd149 | 1044 | struct config_source top; |
924aaf3e | 1045 | |
4d8dd149 | 1046 | top.u.file = f; |
924aaf3e | 1047 | top.name = filename; |
b2dc0945 | 1048 | top.die_on_error = 1; |
49d6cfa5 JK |
1049 | top.do_fgetc = config_file_fgetc; |
1050 | top.do_ungetc = config_file_ungetc; | |
1051 | top.do_ftell = config_file_ftell; | |
924aaf3e | 1052 | |
ca4b5de2 | 1053 | ret = do_config_from(&top, fn, data); |
924aaf3e | 1054 | |
17712991 LT |
1055 | fclose(f); |
1056 | } | |
1057 | return ret; | |
1058 | } | |
10bea152 | 1059 | |
1bc88819 HV |
1060 | int git_config_from_buf(config_fn_t fn, const char *name, const char *buf, |
1061 | size_t len, void *data) | |
1062 | { | |
1063 | struct config_source top; | |
1064 | ||
1065 | top.u.buf.buf = buf; | |
1066 | top.u.buf.len = len; | |
1067 | top.u.buf.pos = 0; | |
1068 | top.name = name; | |
b2dc0945 | 1069 | top.die_on_error = 0; |
49d6cfa5 JK |
1070 | top.do_fgetc = config_buf_fgetc; |
1071 | top.do_ungetc = config_buf_ungetc; | |
1072 | top.do_ftell = config_buf_ftell; | |
1bc88819 HV |
1073 | |
1074 | return do_config_from(&top, fn, data); | |
1075 | } | |
1076 | ||
1077 | static int git_config_from_blob_sha1(config_fn_t fn, | |
1078 | const char *name, | |
1079 | const unsigned char *sha1, | |
1080 | void *data) | |
1081 | { | |
1082 | enum object_type type; | |
1083 | char *buf; | |
1084 | unsigned long size; | |
1085 | int ret; | |
1086 | ||
1087 | buf = read_sha1_file(sha1, &type, &size); | |
1088 | if (!buf) | |
1089 | return error("unable to load config blob object '%s'", name); | |
1090 | if (type != OBJ_BLOB) { | |
1091 | free(buf); | |
1092 | return error("reference '%s' does not point to a blob", name); | |
1093 | } | |
1094 | ||
1095 | ret = git_config_from_buf(fn, name, buf, size, data); | |
1096 | free(buf); | |
1097 | ||
1098 | return ret; | |
1099 | } | |
1100 | ||
1101 | static int git_config_from_blob_ref(config_fn_t fn, | |
1102 | const char *name, | |
1103 | void *data) | |
1104 | { | |
1105 | unsigned char sha1[20]; | |
1106 | ||
1107 | if (get_sha1(name, sha1) < 0) | |
1108 | return error("unable to resolve config blob '%s'", name); | |
1109 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1110 | } | |
1111 | ||
506b17b1 JS |
1112 | const char *git_etc_gitconfig(void) |
1113 | { | |
7f0e39fa | 1114 | static const char *system_wide; |
2de9de5e SP |
1115 | if (!system_wide) |
1116 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1117 | return system_wide; |
506b17b1 JS |
1118 | } |
1119 | ||
0ef37164 | 1120 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1121 | { |
1122 | const char *v = getenv(k); | |
1123 | return v ? git_config_bool(k, v) : def; | |
1124 | } | |
1125 | ||
1126 | int git_config_system(void) | |
1127 | { | |
1128 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1129 | } | |
1130 | ||
dbdf5854 | 1131 | int git_config_early(config_fn_t fn, void *data, const char *repo_config) |
4f629539 | 1132 | { |
aa387407 | 1133 | int ret = 0, found = 0; |
21cf3227 HKNN |
1134 | char *xdg_config = NULL; |
1135 | char *user_config = NULL; | |
1136 | ||
1137 | home_config_paths(&user_config, &xdg_config, "config"); | |
5f1a63e0 | 1138 | |
4698c8fe | 1139 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) { |
dc871831 DB |
1140 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1141 | data); | |
aa387407 FC |
1142 | found += 1; |
1143 | } | |
5f1a63e0 | 1144 | |
4698c8fe | 1145 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) { |
21cf3227 HKNN |
1146 | ret += git_config_from_file(fn, xdg_config, data); |
1147 | found += 1; | |
1148 | } | |
1149 | ||
4698c8fe | 1150 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) { |
21cf3227 HKNN |
1151 | ret += git_config_from_file(fn, user_config, data); |
1152 | found += 1; | |
5f1a63e0 JS |
1153 | } |
1154 | ||
4698c8fe | 1155 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) { |
aa387407 FC |
1156 | ret += git_config_from_file(fn, repo_config, data); |
1157 | found += 1; | |
1158 | } | |
8b1fa778 | 1159 | |
5a0c9eeb JK |
1160 | switch (git_config_from_parameters(fn, data)) { |
1161 | case -1: /* error */ | |
1c2c9bee | 1162 | die("unable to parse command-line config"); |
5a0c9eeb JK |
1163 | break; |
1164 | case 0: /* found nothing */ | |
1165 | break; | |
1166 | default: /* found at least one item */ | |
1167 | found++; | |
1168 | break; | |
1169 | } | |
8b1fa778 | 1170 | |
21cf3227 HKNN |
1171 | free(xdg_config); |
1172 | free(user_config); | |
1f2baa78 | 1173 | return ret == 0 ? found : ret; |
4f629539 JH |
1174 | } |
1175 | ||
c9b5e2a5 | 1176 | int git_config_with_options(config_fn_t fn, void *data, |
1bc88819 HV |
1177 | const char *filename, |
1178 | const char *blob_ref, | |
1179 | int respect_includes) | |
dbdf5854 NTND |
1180 | { |
1181 | char *repo_config = NULL; | |
1182 | int ret; | |
9b25a0b5 JK |
1183 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1184 | ||
1185 | if (respect_includes) { | |
1186 | inc.fn = fn; | |
1187 | inc.data = data; | |
1188 | fn = git_config_include; | |
1189 | data = &inc; | |
1190 | } | |
dbdf5854 | 1191 | |
c9b5e2a5 JK |
1192 | /* |
1193 | * If we have a specific filename, use it. Otherwise, follow the | |
1194 | * regular lookup sequence. | |
1195 | */ | |
1196 | if (filename) | |
1197 | return git_config_from_file(fn, filename, data); | |
1bc88819 HV |
1198 | else if (blob_ref) |
1199 | return git_config_from_blob_ref(fn, blob_ref, data); | |
c9b5e2a5 | 1200 | |
dbdf5854 NTND |
1201 | repo_config = git_pathdup("config"); |
1202 | ret = git_config_early(fn, data, repo_config); | |
1203 | if (repo_config) | |
1204 | free(repo_config); | |
1205 | return ret; | |
1206 | } | |
1207 | ||
c9b5e2a5 JK |
1208 | int git_config(config_fn_t fn, void *data) |
1209 | { | |
1bc88819 | 1210 | return git_config_with_options(fn, data, NULL, NULL, 1); |
c9b5e2a5 JK |
1211 | } |
1212 | ||
10bea152 JS |
1213 | /* |
1214 | * Find all the stuff for git_config_set() below. | |
1215 | */ | |
4ddba79d | 1216 | |
10bea152 JS |
1217 | static struct { |
1218 | int baselen; | |
4b25d091 | 1219 | char *key; |
f98d863d | 1220 | int do_not_match; |
4b25d091 | 1221 | regex_t *value_regex; |
4ddba79d | 1222 | int multi_replace; |
83786fa4 TR |
1223 | size_t *offset; |
1224 | unsigned int offset_alloc; | |
10bea152 JS |
1225 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
1226 | int seen; | |
1227 | } store; | |
1228 | ||
4b25d091 | 1229 | static int matches(const char *key, const char *value) |
f98d863d JS |
1230 | { |
1231 | return !strcmp(key, store.key) && | |
1232 | (store.value_regex == NULL || | |
1233 | (store.do_not_match ^ | |
1234 | !regexec(store.value_regex, value, 0, NULL, 0))); | |
1235 | } | |
1236 | ||
4b25d091 | 1237 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 1238 | { |
ae9ee41d JH |
1239 | const char *ep; |
1240 | size_t section_len; | |
1241 | ||
10bea152 JS |
1242 | switch (store.state) { |
1243 | case KEY_SEEN: | |
f98d863d | 1244 | if (matches(key, value)) { |
4ddba79d | 1245 | if (store.seen == 1 && store.multi_replace == 0) { |
64c0d71c | 1246 | warning("%s has multiple values", key); |
10bea152 | 1247 | } |
4ddba79d | 1248 | |
83786fa4 TR |
1249 | ALLOC_GROW(store.offset, store.seen + 1, |
1250 | store.offset_alloc); | |
1251 | ||
49d6cfa5 | 1252 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1253 | store.seen++; |
1254 | } | |
1255 | break; | |
1256 | case SECTION_SEEN: | |
ae9ee41d JH |
1257 | /* |
1258 | * What we are looking for is in store.key (both | |
1259 | * section and var), and its section part is baselen | |
1260 | * long. We found key (again, both section and var). | |
1261 | * We would want to know if this key is in the same | |
1262 | * section as what we are looking for. We already | |
1263 | * know we are in the same section as what should | |
1264 | * hold store.key. | |
1265 | */ | |
1266 | ep = strrchr(key, '.'); | |
1267 | section_len = ep - key; | |
1268 | ||
1269 | if ((section_len != store.baselen) || | |
1270 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
1271 | store.state = SECTION_END_SEEN; |
1272 | break; | |
ae9ee41d JH |
1273 | } |
1274 | ||
1275 | /* | |
1276 | * Do not increment matches: this is no match, but we | |
1277 | * just made sure we are in the desired section. | |
1278 | */ | |
83786fa4 TR |
1279 | ALLOC_GROW(store.offset, store.seen + 1, |
1280 | store.offset_alloc); | |
49d6cfa5 | 1281 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1282 | /* fallthru */ |
1283 | case SECTION_END_SEEN: | |
1284 | case START: | |
f98d863d | 1285 | if (matches(key, value)) { |
83786fa4 TR |
1286 | ALLOC_GROW(store.offset, store.seen + 1, |
1287 | store.offset_alloc); | |
49d6cfa5 | 1288 | store.offset[store.seen] = cf->do_ftell(cf); |
10bea152 JS |
1289 | store.state = KEY_SEEN; |
1290 | store.seen++; | |
d14f7764 LT |
1291 | } else { |
1292 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 1293 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 1294 | store.state = SECTION_SEEN; |
83786fa4 TR |
1295 | ALLOC_GROW(store.offset, |
1296 | store.seen + 1, | |
1297 | store.offset_alloc); | |
49d6cfa5 | 1298 | store.offset[store.seen] = cf->do_ftell(cf); |
d14f7764 | 1299 | } |
bdf0ef08 | 1300 | } |
10bea152 JS |
1301 | } |
1302 | return 0; | |
1303 | } | |
1304 | ||
64c0d71c | 1305 | static int write_error(const char *filename) |
480c9e52 | 1306 | { |
64c0d71c | 1307 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
1308 | |
1309 | /* Same error code as "failed to rename". */ | |
1310 | return 4; | |
1311 | } | |
1312 | ||
4b25d091 | 1313 | static int store_write_section(int fd, const char *key) |
10bea152 | 1314 | { |
cb891a59 KH |
1315 | const char *dot; |
1316 | int i, success; | |
f285a2d7 | 1317 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 1318 | |
cb891a59 | 1319 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 1320 | if (dot) { |
cb891a59 KH |
1321 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
1322 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 1323 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
1324 | strbuf_addch(&sb, '\\'); |
1325 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 1326 | } |
cb891a59 KH |
1327 | strbuf_addstr(&sb, "\"]\n"); |
1328 | } else { | |
1329 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
1330 | } |
1331 | ||
cb891a59 KH |
1332 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
1333 | strbuf_release(&sb); | |
480c9e52 | 1334 | |
cb891a59 | 1335 | return success; |
10bea152 JS |
1336 | } |
1337 | ||
4b25d091 | 1338 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 1339 | { |
cb891a59 KH |
1340 | int i, success; |
1341 | int length = strlen(key + store.baselen + 1); | |
1342 | const char *quote = ""; | |
f285a2d7 | 1343 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 1344 | |
6281f394 JM |
1345 | /* |
1346 | * Check to see if the value needs to be surrounded with a dq pair. | |
1347 | * Note that problematic characters are always backslash-quoted; this | |
1348 | * check is about not losing leading or trailing SP and strings that | |
1349 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
1350 | * configuration parser. | |
1351 | */ | |
cdd4fb15 | 1352 | if (value[0] == ' ') |
cb891a59 | 1353 | quote = "\""; |
cdd4fb15 BG |
1354 | for (i = 0; value[i]; i++) |
1355 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
1356 | quote = "\""; |
1357 | if (i && value[i - 1] == ' ') | |
1358 | quote = "\""; | |
1359 | ||
cb891a59 KH |
1360 | strbuf_addf(&sb, "\t%.*s = %s", |
1361 | length, key + store.baselen + 1, quote); | |
10bea152 | 1362 | |
10bea152 JS |
1363 | for (i = 0; value[i]; i++) |
1364 | switch (value[i]) { | |
480c9e52 | 1365 | case '\n': |
cb891a59 | 1366 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
1367 | break; |
1368 | case '\t': | |
cb891a59 | 1369 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
1370 | break; |
1371 | case '"': | |
1372 | case '\\': | |
cb891a59 | 1373 | strbuf_addch(&sb, '\\'); |
480c9e52 | 1374 | default: |
cb891a59 | 1375 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
1376 | break; |
1377 | } | |
cb891a59 KH |
1378 | strbuf_addf(&sb, "%s\n", quote); |
1379 | ||
1380 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
1381 | strbuf_release(&sb); | |
1382 | ||
1383 | return success; | |
10bea152 JS |
1384 | } |
1385 | ||
4b25d091 FC |
1386 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
1387 | size_t offset_, int *found_bracket) | |
4ddba79d | 1388 | { |
dc49cd76 SP |
1389 | size_t equal_offset = size, bracket_offset = size; |
1390 | ssize_t offset; | |
4ddba79d | 1391 | |
7a31cc0f | 1392 | contline: |
a6080a0a | 1393 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
1394 | && contents[offset] != '\n'; offset--) |
1395 | switch (contents[offset]) { | |
1396 | case '=': equal_offset = offset; break; | |
1397 | case ']': bracket_offset = offset; break; | |
1398 | } | |
7a31cc0f FL |
1399 | if (offset > 0 && contents[offset-1] == '\\') { |
1400 | offset_ = offset; | |
1401 | goto contline; | |
1402 | } | |
4ddba79d JS |
1403 | if (bracket_offset < equal_offset) { |
1404 | *found_bracket = 1; | |
1405 | offset = bracket_offset+1; | |
1406 | } else | |
1407 | offset++; | |
1408 | ||
1409 | return offset; | |
1410 | } | |
1411 | ||
5ec31182 RR |
1412 | int git_config_set_in_file(const char *config_filename, |
1413 | const char *key, const char *value) | |
1414 | { | |
1415 | return git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); | |
1416 | } | |
1417 | ||
4b25d091 | 1418 | int git_config_set(const char *key, const char *value) |
10bea152 | 1419 | { |
4ddba79d | 1420 | return git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
1421 | } |
1422 | ||
b09c53a3 LP |
1423 | /* |
1424 | * Auxiliary function to sanity-check and split the key into the section | |
1425 | * identifier and variable name. | |
1426 | * | |
1427 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
1428 | * -2 if there is no section name in the key. | |
1429 | * | |
1430 | * store_key - pointer to char* which will hold a copy of the key with | |
1431 | * lowercase section and variable name | |
1432 | * baselen - pointer to int which will hold the length of the | |
1433 | * section + subsection part, can be NULL | |
1434 | */ | |
1435 | int git_config_parse_key(const char *key, char **store_key, int *baselen_) | |
1436 | { | |
1437 | int i, dot, baselen; | |
1438 | const char *last_dot = strrchr(key, '.'); | |
1439 | ||
1440 | /* | |
1441 | * Since "key" actually contains the section name and the real | |
1442 | * key name separated by a dot, we have to know where the dot is. | |
1443 | */ | |
1444 | ||
2169ddc0 | 1445 | if (last_dot == NULL || last_dot == key) { |
b09c53a3 | 1446 | error("key does not contain a section: %s", key); |
7a397419 | 1447 | return -CONFIG_NO_SECTION_OR_NAME; |
b09c53a3 LP |
1448 | } |
1449 | ||
2169ddc0 LP |
1450 | if (!last_dot[1]) { |
1451 | error("key does not contain variable name: %s", key); | |
7a397419 | 1452 | return -CONFIG_NO_SECTION_OR_NAME; |
2169ddc0 LP |
1453 | } |
1454 | ||
b09c53a3 LP |
1455 | baselen = last_dot - key; |
1456 | if (baselen_) | |
1457 | *baselen_ = baselen; | |
1458 | ||
1459 | /* | |
1460 | * Validate the key and while at it, lower case it for matching. | |
1461 | */ | |
1462 | *store_key = xmalloc(strlen(key) + 1); | |
1463 | ||
1464 | dot = 0; | |
1465 | for (i = 0; key[i]; i++) { | |
1466 | unsigned char c = key[i]; | |
1467 | if (c == '.') | |
1468 | dot = 1; | |
1469 | /* Leave the extended basename untouched.. */ | |
1470 | if (!dot || i > baselen) { | |
1471 | if (!iskeychar(c) || | |
1472 | (i == baselen + 1 && !isalpha(c))) { | |
1473 | error("invalid key: %s", key); | |
1474 | goto out_free_ret_1; | |
1475 | } | |
1476 | c = tolower(c); | |
1477 | } else if (c == '\n') { | |
1478 | error("invalid key (newline): %s", key); | |
1479 | goto out_free_ret_1; | |
1480 | } | |
1481 | (*store_key)[i] = c; | |
1482 | } | |
1483 | (*store_key)[i] = 0; | |
1484 | ||
1485 | return 0; | |
1486 | ||
1487 | out_free_ret_1: | |
1488 | free(*store_key); | |
97ed50f9 | 1489 | *store_key = NULL; |
7a397419 | 1490 | return -CONFIG_INVALID_KEY; |
b09c53a3 LP |
1491 | } |
1492 | ||
10bea152 JS |
1493 | /* |
1494 | * If value==NULL, unset in (remove from) config, | |
1495 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
4ddba79d JS |
1496 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
1497 | * else all matching key/values (regardless how many) are removed, | |
1498 | * before the new pair is written. | |
10bea152 JS |
1499 | * |
1500 | * Returns 0 on success. | |
1501 | * | |
1502 | * This function does this: | |
1503 | * | |
1504 | * - it locks the config file by creating ".git/config.lock" | |
1505 | * | |
1506 | * - it then parses the config using store_aux() as validator to find | |
1507 | * the position on the key/value pair to replace. If it is to be unset, | |
1508 | * it must be found exactly once. | |
1509 | * | |
1510 | * - the config file is mmap()ed and the part before the match (if any) is | |
1511 | * written to the lock file, then the changed part and the rest. | |
1512 | * | |
1513 | * - the config file is removed and the lock file rename()d to it. | |
1514 | * | |
1515 | */ | |
5ec31182 RR |
1516 | int git_config_set_multivar_in_file(const char *config_filename, |
1517 | const char *key, const char *value, | |
1518 | const char *value_regex, int multi_replace) | |
10bea152 | 1519 | { |
f8ba655e | 1520 | int fd = -1, in_fd; |
dafc88b1 | 1521 | int ret; |
6cbf973c | 1522 | struct lock_file *lock = NULL; |
0a5f5759 | 1523 | char *filename_buf = NULL; |
4ddba79d | 1524 | |
b09c53a3 LP |
1525 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
1526 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
1527 | if (ret) | |
dafc88b1 | 1528 | goto out_free; |
b17e659d JS |
1529 | |
1530 | store.multi_replace = multi_replace; | |
10bea152 | 1531 | |
0a5f5759 JK |
1532 | if (!config_filename) |
1533 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
1534 | |
1535 | /* | |
6cbf973c | 1536 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
1537 | * contents of .git/config will be written into it. |
1538 | */ | |
6cbf973c BS |
1539 | lock = xcalloc(sizeof(struct lock_file), 1); |
1540 | fd = hold_lock_file_for_update(lock, config_filename, 0); | |
1541 | if (fd < 0) { | |
6ffd567b | 1542 | error("could not lock config file %s: %s", config_filename, strerror(errno)); |
10bea152 | 1543 | free(store.key); |
7a397419 | 1544 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 1545 | goto out_free; |
10bea152 JS |
1546 | } |
1547 | ||
1548 | /* | |
1549 | * If .git/config does not exist yet, write a minimal version. | |
1550 | */ | |
88fb958b AR |
1551 | in_fd = open(config_filename, O_RDONLY); |
1552 | if ( in_fd < 0 ) { | |
10bea152 JS |
1553 | free(store.key); |
1554 | ||
88fb958b AR |
1555 | if ( ENOENT != errno ) { |
1556 | error("opening %s: %s", config_filename, | |
1557 | strerror(errno)); | |
7a397419 | 1558 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 1559 | goto out_free; |
88fb958b | 1560 | } |
10bea152 JS |
1561 | /* if nothing to unset, error out */ |
1562 | if (value == NULL) { | |
7a397419 | 1563 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 1564 | goto out_free; |
10bea152 JS |
1565 | } |
1566 | ||
4b25d091 | 1567 | store.key = (char *)key; |
480c9e52 | 1568 | if (!store_write_section(fd, key) || |
93c1e079 JH |
1569 | !store_write_pair(fd, key, value)) |
1570 | goto write_err_out; | |
1571 | } else { | |
88fb958b | 1572 | struct stat st; |
4b25d091 | 1573 | char *contents; |
dc49cd76 SP |
1574 | size_t contents_sz, copy_begin, copy_end; |
1575 | int i, new_line = 0; | |
10bea152 JS |
1576 | |
1577 | if (value_regex == NULL) | |
1578 | store.value_regex = NULL; | |
1579 | else { | |
f98d863d JS |
1580 | if (value_regex[0] == '!') { |
1581 | store.do_not_match = 1; | |
1582 | value_regex++; | |
1583 | } else | |
1584 | store.do_not_match = 0; | |
1585 | ||
2d7320d0 | 1586 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
1587 | if (regcomp(store.value_regex, value_regex, |
1588 | REG_EXTENDED)) { | |
64c0d71c | 1589 | error("invalid pattern: %s", value_regex); |
10bea152 | 1590 | free(store.value_regex); |
7a397419 | 1591 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 1592 | goto out_free; |
10bea152 JS |
1593 | } |
1594 | } | |
1595 | ||
83786fa4 | 1596 | ALLOC_GROW(store.offset, 1, store.offset_alloc); |
4ddba79d | 1597 | store.offset[0] = 0; |
10bea152 JS |
1598 | store.state = START; |
1599 | store.seen = 0; | |
1600 | ||
1601 | /* | |
1602 | * After this, store.offset will contain the *end* offset | |
1603 | * of the last match, or remain at 0 if no match was found. | |
1604 | * As a side effect, we make sure to transform only a valid | |
1605 | * existing config file. | |
1606 | */ | |
ef90d6d4 | 1607 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 1608 | error("invalid config file %s", config_filename); |
10bea152 JS |
1609 | free(store.key); |
1610 | if (store.value_regex != NULL) { | |
1611 | regfree(store.value_regex); | |
1612 | free(store.value_regex); | |
1613 | } | |
7a397419 | 1614 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 1615 | goto out_free; |
10bea152 JS |
1616 | } |
1617 | ||
1618 | free(store.key); | |
1619 | if (store.value_regex != NULL) { | |
1620 | regfree(store.value_regex); | |
1621 | free(store.value_regex); | |
1622 | } | |
1623 | ||
4ddba79d JS |
1624 | /* if nothing to unset, or too many matches, error out */ |
1625 | if ((store.seen == 0 && value == NULL) || | |
1626 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 1627 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 1628 | goto out_free; |
10bea152 JS |
1629 | } |
1630 | ||
88fb958b | 1631 | fstat(in_fd, &st); |
dc49cd76 SP |
1632 | contents_sz = xsize_t(st.st_size); |
1633 | contents = xmmap(NULL, contents_sz, PROT_READ, | |
10bea152 JS |
1634 | MAP_PRIVATE, in_fd, 0); |
1635 | close(in_fd); | |
1636 | ||
4ddba79d JS |
1637 | if (store.seen == 0) |
1638 | store.seen = 1; | |
1639 | ||
1640 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
1641 | if (store.offset[i] == 0) { | |
dc49cd76 | 1642 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
1643 | } else if (store.state != KEY_SEEN) { |
1644 | copy_end = store.offset[i]; | |
10bea152 | 1645 | } else |
4ddba79d | 1646 | copy_end = find_beginning_of_line( |
dc49cd76 | 1647 | contents, contents_sz, |
4ddba79d JS |
1648 | store.offset[i]-2, &new_line); |
1649 | ||
02e5ba4a JK |
1650 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
1651 | new_line = 1; | |
1652 | ||
4ddba79d JS |
1653 | /* write the first part of the config */ |
1654 | if (copy_end > copy_begin) { | |
93c1e079 JH |
1655 | if (write_in_full(fd, contents + copy_begin, |
1656 | copy_end - copy_begin) < | |
1657 | copy_end - copy_begin) | |
1658 | goto write_err_out; | |
1659 | if (new_line && | |
2b7ca830 | 1660 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 1661 | goto write_err_out; |
4ddba79d JS |
1662 | } |
1663 | copy_begin = store.offset[i]; | |
10bea152 JS |
1664 | } |
1665 | ||
10bea152 JS |
1666 | /* write the pair (value == NULL means unset) */ |
1667 | if (value != NULL) { | |
93c1e079 JH |
1668 | if (store.state == START) { |
1669 | if (!store_write_section(fd, key)) | |
1670 | goto write_err_out; | |
480c9e52 | 1671 | } |
93c1e079 JH |
1672 | if (!store_write_pair(fd, key, value)) |
1673 | goto write_err_out; | |
10bea152 JS |
1674 | } |
1675 | ||
1676 | /* write the rest of the config */ | |
dc49cd76 | 1677 | if (copy_begin < contents_sz) |
93c1e079 | 1678 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
1679 | contents_sz - copy_begin) < |
1680 | contents_sz - copy_begin) | |
93c1e079 | 1681 | goto write_err_out; |
10bea152 | 1682 | |
dc49cd76 | 1683 | munmap(contents, contents_sz); |
10bea152 JS |
1684 | } |
1685 | ||
4ed7cd3a | 1686 | if (commit_lock_file(lock) < 0) { |
64c0d71c | 1687 | error("could not commit config file %s", config_filename); |
7a397419 | 1688 | ret = CONFIG_NO_WRITE; |
dafc88b1 | 1689 | goto out_free; |
10bea152 JS |
1690 | } |
1691 | ||
6cbf973c BS |
1692 | /* |
1693 | * lock is committed, so don't try to roll it back below. | |
1694 | * NOTE: Since lockfile.c keeps a linked list of all created | |
1695 | * lock_file structures, it isn't safe to free(lock). It's | |
1696 | * better to just leave it hanging around. | |
1697 | */ | |
1698 | lock = NULL; | |
dafc88b1 SH |
1699 | ret = 0; |
1700 | ||
1701 | out_free: | |
6cbf973c BS |
1702 | if (lock) |
1703 | rollback_lock_file(lock); | |
0a5f5759 | 1704 | free(filename_buf); |
dafc88b1 | 1705 | return ret; |
93c1e079 JH |
1706 | |
1707 | write_err_out: | |
64c0d71c | 1708 | ret = write_error(lock->filename); |
93c1e079 JH |
1709 | goto out_free; |
1710 | ||
10bea152 JS |
1711 | } |
1712 | ||
5ec31182 RR |
1713 | int git_config_set_multivar(const char *key, const char *value, |
1714 | const char *value_regex, int multi_replace) | |
1715 | { | |
4a7bb5ba | 1716 | return git_config_set_multivar_in_file(NULL, key, value, value_regex, |
0a5f5759 | 1717 | multi_replace); |
5ec31182 RR |
1718 | } |
1719 | ||
118f8b24 PB |
1720 | static int section_name_match (const char *buf, const char *name) |
1721 | { | |
1722 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
1723 | if (buf[i] != '[') |
1724 | return 0; | |
1725 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
1726 | if (!dot && isspace(buf[i])) { |
1727 | dot = 1; | |
1728 | if (name[j++] != '.') | |
1729 | break; | |
1730 | for (i++; isspace(buf[i]); i++) | |
1731 | ; /* do nothing */ | |
1732 | if (buf[i] != '"') | |
1733 | break; | |
1734 | continue; | |
1735 | } | |
1736 | if (buf[i] == '\\' && dot) | |
1737 | i++; | |
1738 | else if (buf[i] == '"' && dot) { | |
1739 | for (i++; isspace(buf[i]); i++) | |
1740 | ; /* do_nothing */ | |
1741 | break; | |
1742 | } | |
1743 | if (buf[i] != name[j++]) | |
1744 | break; | |
1745 | } | |
a4c0d463 AV |
1746 | if (buf[i] == ']' && name[j] == 0) { |
1747 | /* | |
1748 | * We match, now just find the right length offset by | |
1749 | * gobbling up any whitespace after it, as well | |
1750 | */ | |
1751 | i++; | |
1752 | for (; buf[i] && isspace(buf[i]); i++) | |
1753 | ; /* do nothing */ | |
1754 | return i; | |
1755 | } | |
1756 | return 0; | |
118f8b24 PB |
1757 | } |
1758 | ||
94a35b1a JK |
1759 | static int section_name_is_ok(const char *name) |
1760 | { | |
1761 | /* Empty section names are bogus. */ | |
1762 | if (!*name) | |
1763 | return 0; | |
1764 | ||
1765 | /* | |
1766 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
1767 | * anything goes, so we can stop checking. | |
1768 | */ | |
1769 | for (; *name && *name != '.'; name++) | |
1770 | if (*name != '-' && !isalnum(*name)) | |
1771 | return 0; | |
1772 | return 1; | |
1773 | } | |
1774 | ||
118f8b24 | 1775 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
1776 | int git_config_rename_section_in_file(const char *config_filename, |
1777 | const char *old_name, const char *new_name) | |
0667fcfb | 1778 | { |
118f8b24 | 1779 | int ret = 0, remove = 0; |
42bd39b5 | 1780 | char *filename_buf = NULL; |
94a35b1a | 1781 | struct lock_file *lock; |
0667fcfb JS |
1782 | int out_fd; |
1783 | char buf[1024]; | |
924aaf3e | 1784 | FILE *config_file; |
0667fcfb | 1785 | |
94a35b1a JK |
1786 | if (new_name && !section_name_is_ok(new_name)) { |
1787 | ret = error("invalid section name: %s", new_name); | |
1788 | goto out; | |
1789 | } | |
1790 | ||
42bd39b5 JK |
1791 | if (!config_filename) |
1792 | config_filename = filename_buf = git_pathdup("config"); | |
1793 | ||
94a35b1a | 1794 | lock = xcalloc(sizeof(struct lock_file), 1); |
0667fcfb | 1795 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 1796 | if (out_fd < 0) { |
64c0d71c | 1797 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
1798 | goto out; |
1799 | } | |
0667fcfb | 1800 | |
fc1905bb | 1801 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc GB |
1802 | /* no config file means nothing to rename, no error */ |
1803 | goto unlock_and_out; | |
fc1905bb | 1804 | } |
0667fcfb JS |
1805 | |
1806 | while (fgets(buf, sizeof(buf), config_file)) { | |
1807 | int i; | |
480c9e52 | 1808 | int length; |
9a5abfc7 | 1809 | char *output = buf; |
0667fcfb JS |
1810 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
1811 | ; /* do nothing */ | |
1812 | if (buf[i] == '[') { | |
1813 | /* it's a section */ | |
a4c0d463 AV |
1814 | int offset = section_name_match(&buf[i], old_name); |
1815 | if (offset > 0) { | |
118f8b24 PB |
1816 | ret++; |
1817 | if (new_name == NULL) { | |
1818 | remove = 1; | |
0667fcfb JS |
1819 | continue; |
1820 | } | |
0667fcfb | 1821 | store.baselen = strlen(new_name); |
480c9e52 | 1822 | if (!store_write_section(out_fd, new_name)) { |
64c0d71c | 1823 | ret = write_error(lock->filename); |
480c9e52 AW |
1824 | goto out; |
1825 | } | |
9a5abfc7 AV |
1826 | /* |
1827 | * We wrote out the new section, with | |
1828 | * a newline, now skip the old | |
1829 | * section's length | |
1830 | */ | |
1831 | output += offset + i; | |
1832 | if (strlen(output) > 0) { | |
1833 | /* | |
1834 | * More content means there's | |
1835 | * a declaration to put on the | |
1836 | * next line; indent with a | |
1837 | * tab | |
1838 | */ | |
1839 | output -= 1; | |
1840 | output[0] = '\t'; | |
1841 | } | |
0667fcfb | 1842 | } |
118f8b24 | 1843 | remove = 0; |
0667fcfb | 1844 | } |
118f8b24 PB |
1845 | if (remove) |
1846 | continue; | |
9a5abfc7 AV |
1847 | length = strlen(output); |
1848 | if (write_in_full(out_fd, output, length) != length) { | |
64c0d71c | 1849 | ret = write_error(lock->filename); |
480c9e52 AW |
1850 | goto out; |
1851 | } | |
0667fcfb | 1852 | } |
fc1905bb | 1853 | fclose(config_file); |
8b590075 | 1854 | unlock_and_out: |
4ed7cd3a | 1855 | if (commit_lock_file(lock) < 0) |
64c0d71c | 1856 | ret = error("could not commit config file %s", config_filename); |
8b590075 | 1857 | out: |
42bd39b5 | 1858 | free(filename_buf); |
0667fcfb JS |
1859 | return ret; |
1860 | } | |
40ea4ed9 | 1861 | |
42bd39b5 JK |
1862 | int git_config_rename_section(const char *old_name, const char *new_name) |
1863 | { | |
4a7bb5ba | 1864 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
1865 | } |
1866 | ||
40ea4ed9 JH |
1867 | /* |
1868 | * Call this to report error for your variable that should not | |
1869 | * get a boolean value (i.e. "[my] var" means "true"). | |
1870 | */ | |
a469a101 | 1871 | #undef config_error_nonbool |
40ea4ed9 JH |
1872 | int config_error_nonbool(const char *var) |
1873 | { | |
1874 | return error("Missing value for '%s'", var); | |
1875 | } | |
1b86bbb0 JK |
1876 | |
1877 | int parse_config_key(const char *var, | |
1878 | const char *section, | |
1879 | const char **subsection, int *subsection_len, | |
1880 | const char **key) | |
1881 | { | |
1882 | int section_len = strlen(section); | |
1883 | const char *dot; | |
1884 | ||
1885 | /* Does it start with "section." ? */ | |
59556548 | 1886 | if (!starts_with(var, section) || var[section_len] != '.') |
1b86bbb0 JK |
1887 | return -1; |
1888 | ||
1889 | /* | |
1890 | * Find the key; we don't know yet if we have a subsection, but we must | |
1891 | * parse backwards from the end, since the subsection may have dots in | |
1892 | * it, too. | |
1893 | */ | |
1894 | dot = strrchr(var, '.'); | |
1895 | *key = dot + 1; | |
1896 | ||
1897 | /* Did we have a subsection at all? */ | |
1898 | if (dot == var + section_len) { | |
1899 | *subsection = NULL; | |
1900 | *subsection_len = 0; | |
1901 | } | |
1902 | else { | |
1903 | *subsection = var + section_len + 1; | |
1904 | *subsection_len = dot - *subsection; | |
1905 | } | |
1906 | ||
1907 | return 0; | |
1908 | } |