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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 | |
4d8dd149 HV |
30 | int (*fgetc)(struct config_source *c); |
31 | int (*ungetc)(int c, struct config_source *conf); | |
32 | long (*ftell)(struct config_source *c); | |
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; | |
4c0a89fc JK |
87 | char *expanded = expand_user_path(path); |
88 | ||
89 | if (!expanded) | |
90 | return error("Could not expand include path '%s'", path); | |
91 | path = expanded; | |
9b25a0b5 JK |
92 | |
93 | /* | |
94 | * Use an absolute path as-is, but interpret relative paths | |
95 | * based on the including config file. | |
96 | */ | |
97 | if (!is_absolute_path(path)) { | |
98 | char *slash; | |
99 | ||
100 | if (!cf || !cf->name) | |
101 | return error("relative config includes must come from files"); | |
102 | ||
103 | slash = find_last_dir_sep(cf->name); | |
104 | if (slash) | |
105 | strbuf_add(&buf, cf->name, slash - cf->name + 1); | |
106 | strbuf_addstr(&buf, path); | |
107 | path = buf.buf; | |
108 | } | |
109 | ||
4698c8fe | 110 | if (!access_or_die(path, R_OK, 0)) { |
9b25a0b5 JK |
111 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
112 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
113 | cf && cf->name ? cf->name : "the command line"); | |
114 | ret = git_config_from_file(git_config_include, path, inc); | |
115 | inc->depth--; | |
116 | } | |
117 | strbuf_release(&buf); | |
4c0a89fc | 118 | free(expanded); |
9b25a0b5 JK |
119 | return ret; |
120 | } | |
121 | ||
122 | int git_config_include(const char *var, const char *value, void *data) | |
123 | { | |
124 | struct config_include_data *inc = data; | |
125 | const char *type; | |
126 | int ret; | |
127 | ||
128 | /* | |
129 | * Pass along all values, including "include" directives; this makes it | |
130 | * possible to query information on the includes themselves. | |
131 | */ | |
132 | ret = inc->fn(var, value, inc->data); | |
133 | if (ret < 0) | |
134 | return ret; | |
135 | ||
136 | type = skip_prefix(var, "include."); | |
137 | if (!type) | |
138 | return ret; | |
139 | ||
140 | if (!strcmp(type, "path")) | |
141 | ret = handle_path_include(value, inc); | |
142 | return ret; | |
143 | } | |
144 | ||
8b1fa778 AR |
145 | static void lowercase(char *p) |
146 | { | |
147 | for (; *p; p++) | |
148 | *p = tolower(*p); | |
149 | } | |
8b1fa778 | 150 | |
2b64fc89 JK |
151 | void git_config_push_parameter(const char *text) |
152 | { | |
153 | struct strbuf env = STRBUF_INIT; | |
154 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
155 | if (old) { | |
156 | strbuf_addstr(&env, old); | |
157 | strbuf_addch(&env, ' '); | |
158 | } | |
159 | sq_quote_buf(&env, text); | |
160 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
161 | strbuf_release(&env); | |
162 | } | |
163 | ||
2496844b JK |
164 | int git_config_parse_parameter(const char *text, |
165 | config_fn_t fn, void *data) | |
8b1fa778 | 166 | { |
572e4f6a | 167 | struct strbuf **pair; |
f77bccae | 168 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
169 | if (!pair[0]) |
170 | return error("bogus config parameter: %s", text); | |
572e4f6a AR |
171 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') |
172 | strbuf_setlen(pair[0], pair[0]->len - 1); | |
173 | strbuf_trim(pair[0]); | |
174 | if (!pair[0]->len) { | |
175 | strbuf_list_free(pair); | |
06eb708f | 176 | return error("bogus config parameter: %s", text); |
8b1fa778 | 177 | } |
06eb708f JK |
178 | lowercase(pair[0]->buf); |
179 | if (fn(pair[0]->buf, pair[1] ? pair[1]->buf : NULL, data) < 0) { | |
180 | strbuf_list_free(pair); | |
181 | return -1; | |
572e4f6a AR |
182 | } |
183 | strbuf_list_free(pair); | |
8b1fa778 AR |
184 | return 0; |
185 | } | |
186 | ||
06eb708f JK |
187 | int git_config_from_parameters(config_fn_t fn, void *data) |
188 | { | |
2b64fc89 JK |
189 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
190 | char *envw; | |
191 | const char **argv = NULL; | |
192 | int nr = 0, alloc = 0; | |
193 | int i; | |
194 | ||
195 | if (!env) | |
196 | return 0; | |
197 | /* sq_dequote will write over it */ | |
198 | envw = xstrdup(env); | |
199 | ||
200 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
201 | free(envw); | |
202 | return error("bogus format in " CONFIG_DATA_ENVIRONMENT); | |
203 | } | |
204 | ||
205 | for (i = 0; i < nr; i++) { | |
06eb708f | 206 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
2b64fc89 JK |
207 | free(argv); |
208 | free(envw); | |
209 | return -1; | |
210 | } | |
211 | } | |
212 | ||
213 | free(argv); | |
214 | free(envw); | |
06eb708f | 215 | return nr > 0; |
2b64fc89 JK |
216 | } |
217 | ||
17712991 LT |
218 | static int get_next_char(void) |
219 | { | |
4d8dd149 | 220 | int c = cf->fgetc(cf); |
17712991 | 221 | |
dbb9a812 HV |
222 | if (c == '\r') { |
223 | /* DOS like systems */ | |
4d8dd149 | 224 | c = cf->fgetc(cf); |
dbb9a812 | 225 | if (c != '\n') { |
4d8dd149 | 226 | cf->ungetc(c, cf); |
dbb9a812 | 227 | c = '\r'; |
17712991 LT |
228 | } |
229 | } | |
dbb9a812 HV |
230 | if (c == '\n') |
231 | cf->linenr++; | |
232 | if (c == EOF) { | |
233 | cf->eof = 1; | |
234 | c = '\n'; | |
235 | } | |
17712991 LT |
236 | return c; |
237 | } | |
238 | ||
239 | static char *parse_value(void) | |
240 | { | |
e96c19c5 | 241 | int quote = 0, comment = 0, space = 0; |
17712991 | 242 | |
924aaf3e | 243 | strbuf_reset(&cf->value); |
17712991 LT |
244 | for (;;) { |
245 | int c = get_next_char(); | |
17712991 | 246 | if (c == '\n') { |
4b340593 MS |
247 | if (quote) { |
248 | cf->linenr--; | |
17712991 | 249 | return NULL; |
4b340593 | 250 | } |
924aaf3e | 251 | return cf->value.buf; |
17712991 LT |
252 | } |
253 | if (comment) | |
254 | continue; | |
255 | if (isspace(c) && !quote) { | |
924aaf3e | 256 | if (cf->value.len) |
ebdaae37 | 257 | space++; |
17712991 LT |
258 | continue; |
259 | } | |
7ebdba61 JS |
260 | if (!quote) { |
261 | if (c == ';' || c == '#') { | |
262 | comment = 1; | |
263 | continue; | |
264 | } | |
265 | } | |
ebdaae37 | 266 | for (; space; space--) |
924aaf3e | 267 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
268 | if (c == '\\') { |
269 | c = get_next_char(); | |
270 | switch (c) { | |
271 | case '\n': | |
272 | continue; | |
273 | case 't': | |
274 | c = '\t'; | |
275 | break; | |
276 | case 'b': | |
277 | c = '\b'; | |
278 | break; | |
279 | case 'n': | |
280 | c = '\n'; | |
281 | break; | |
5cbb401d LT |
282 | /* Some characters escape as themselves */ |
283 | case '\\': case '"': | |
284 | break; | |
285 | /* Reject unknown escape sequences */ | |
286 | default: | |
287 | return NULL; | |
17712991 | 288 | } |
924aaf3e | 289 | strbuf_addch(&cf->value, c); |
17712991 LT |
290 | continue; |
291 | } | |
292 | if (c == '"') { | |
293 | quote = 1-quote; | |
294 | continue; | |
295 | } | |
924aaf3e | 296 | strbuf_addch(&cf->value, c); |
17712991 LT |
297 | } |
298 | } | |
299 | ||
38c5afa8 LT |
300 | static inline int iskeychar(int c) |
301 | { | |
302 | return isalnum(c) || c == '-'; | |
303 | } | |
304 | ||
0971e992 | 305 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
306 | { |
307 | int c; | |
308 | char *value; | |
309 | ||
310 | /* Get the full name */ | |
311 | for (;;) { | |
312 | c = get_next_char(); | |
924aaf3e | 313 | if (cf->eof) |
17712991 | 314 | break; |
38c5afa8 | 315 | if (!iskeychar(c)) |
17712991 | 316 | break; |
0971e992 | 317 | strbuf_addch(name, tolower(c)); |
17712991 | 318 | } |
0971e992 | 319 | |
17712991 LT |
320 | while (c == ' ' || c == '\t') |
321 | c = get_next_char(); | |
322 | ||
323 | value = NULL; | |
324 | if (c != '\n') { | |
325 | if (c != '=') | |
326 | return -1; | |
327 | value = parse_value(); | |
328 | if (!value) | |
329 | return -1; | |
330 | } | |
0971e992 | 331 | return fn(name->buf, value, data); |
17712991 LT |
332 | } |
333 | ||
0971e992 | 334 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
335 | { |
336 | do { | |
337 | if (c == '\n') | |
4b340593 | 338 | goto error_incomplete_line; |
d14f7764 LT |
339 | c = get_next_char(); |
340 | } while (isspace(c)); | |
341 | ||
342 | /* We require the format to be '[base "extension"]' */ | |
343 | if (c != '"') | |
344 | return -1; | |
0971e992 | 345 | strbuf_addch(name, '.'); |
d14f7764 LT |
346 | |
347 | for (;;) { | |
348 | int c = get_next_char(); | |
349 | if (c == '\n') | |
4b340593 | 350 | goto error_incomplete_line; |
d14f7764 LT |
351 | if (c == '"') |
352 | break; | |
353 | if (c == '\\') { | |
354 | c = get_next_char(); | |
355 | if (c == '\n') | |
4b340593 | 356 | goto error_incomplete_line; |
d14f7764 | 357 | } |
0971e992 | 358 | strbuf_addch(name, c); |
d14f7764 LT |
359 | } |
360 | ||
361 | /* Final ']' */ | |
362 | if (get_next_char() != ']') | |
363 | return -1; | |
0971e992 | 364 | return 0; |
4b340593 MS |
365 | error_incomplete_line: |
366 | cf->linenr--; | |
367 | return -1; | |
d14f7764 LT |
368 | } |
369 | ||
0971e992 | 370 | static int get_base_var(struct strbuf *name) |
17712991 | 371 | { |
17712991 LT |
372 | for (;;) { |
373 | int c = get_next_char(); | |
924aaf3e | 374 | if (cf->eof) |
17712991 LT |
375 | return -1; |
376 | if (c == ']') | |
0971e992 | 377 | return 0; |
d14f7764 | 378 | if (isspace(c)) |
0971e992 | 379 | return get_extended_base_var(name, c); |
38c5afa8 | 380 | if (!iskeychar(c) && c != '.') |
17712991 | 381 | return -1; |
0971e992 | 382 | strbuf_addch(name, tolower(c)); |
17712991 LT |
383 | } |
384 | } | |
385 | ||
4d8dd149 | 386 | static int git_parse_source(config_fn_t fn, void *data) |
17712991 LT |
387 | { |
388 | int comment = 0; | |
389 | int baselen = 0; | |
0971e992 | 390 | struct strbuf *var = &cf->var; |
17712991 | 391 | |
de056402 PB |
392 | /* U+FEFF Byte Order Mark in UTF8 */ |
393 | static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf"; | |
394 | const unsigned char *bomptr = utf8_bom; | |
395 | ||
17712991 LT |
396 | for (;;) { |
397 | int c = get_next_char(); | |
de056402 PB |
398 | if (bomptr && *bomptr) { |
399 | /* We are at the file beginning; skip UTF8-encoded BOM | |
400 | * if present. Sane editors won't put this in on their | |
401 | * own, but e.g. Windows Notepad will do it happily. */ | |
402 | if ((unsigned char) c == *bomptr) { | |
403 | bomptr++; | |
404 | continue; | |
405 | } else { | |
406 | /* Do not tolerate partial BOM. */ | |
407 | if (bomptr != utf8_bom) | |
408 | break; | |
409 | /* No BOM at file beginning. Cool. */ | |
410 | bomptr = NULL; | |
411 | } | |
412 | } | |
17712991 | 413 | if (c == '\n') { |
924aaf3e | 414 | if (cf->eof) |
17712991 LT |
415 | return 0; |
416 | comment = 0; | |
417 | continue; | |
418 | } | |
419 | if (comment || isspace(c)) | |
420 | continue; | |
421 | if (c == '#' || c == ';') { | |
422 | comment = 1; | |
423 | continue; | |
424 | } | |
425 | if (c == '[') { | |
0971e992 BW |
426 | /* Reset prior to determining a new stem */ |
427 | strbuf_reset(var); | |
428 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 429 | break; |
0971e992 BW |
430 | strbuf_addch(var, '.'); |
431 | baselen = var->len; | |
17712991 LT |
432 | continue; |
433 | } | |
434 | if (!isalpha(c)) | |
435 | break; | |
0971e992 BW |
436 | /* |
437 | * Truncate the var name back to the section header | |
438 | * stem prior to grabbing the suffix part of the name | |
439 | * and the value. | |
440 | */ | |
441 | strbuf_setlen(var, baselen); | |
442 | strbuf_addch(var, tolower(c)); | |
443 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
444 | break; |
445 | } | |
b2dc0945 HV |
446 | if (cf->die_on_error) |
447 | die("bad config file line %d in %s", cf->linenr, cf->name); | |
448 | else | |
449 | return error("bad config file line %d in %s", cf->linenr, cf->name); | |
17712991 LT |
450 | } |
451 | ||
ebaa1bd4 | 452 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
453 | { |
454 | if (!*end) | |
455 | return 1; | |
c8deb5a1 SP |
456 | else if (!strcasecmp(end, "k")) { |
457 | *val *= 1024; | |
458 | return 1; | |
459 | } | |
460 | else if (!strcasecmp(end, "m")) { | |
461 | *val *= 1024 * 1024; | |
462 | return 1; | |
463 | } | |
464 | else if (!strcasecmp(end, "g")) { | |
465 | *val *= 1024 * 1024 * 1024; | |
466 | return 1; | |
467 | } | |
468 | return 0; | |
0b87b6e0 BD |
469 | } |
470 | ||
0433bcd9 | 471 | static int git_parse_long(const char *value, long *ret) |
0b87b6e0 BD |
472 | { |
473 | if (value && *value) { | |
474 | char *end; | |
ebaa1bd4 NA |
475 | intmax_t val; |
476 | uintmax_t uval; | |
477 | uintmax_t factor = 1; | |
478 | ||
479 | errno = 0; | |
480 | val = strtoimax(value, &end, 0); | |
481 | if (errno == ERANGE) | |
482 | return 0; | |
c8deb5a1 SP |
483 | if (!parse_unit_factor(end, &factor)) |
484 | return 0; | |
ebaa1bd4 NA |
485 | uval = abs(val); |
486 | uval *= factor; | |
487 | if ((uval > maximum_signed_value_of_type(long)) || | |
488 | (abs(val) > uval)) | |
489 | return 0; | |
490 | val *= factor; | |
491 | *ret = val; | |
0b87b6e0 BD |
492 | return 1; |
493 | } | |
494 | return 0; | |
495 | } | |
496 | ||
497 | int git_parse_ulong(const char *value, unsigned long *ret) | |
17712991 LT |
498 | { |
499 | if (value && *value) { | |
500 | char *end; | |
ebaa1bd4 NA |
501 | uintmax_t val; |
502 | uintmax_t oldval; | |
503 | ||
504 | errno = 0; | |
505 | val = strtoumax(value, &end, 0); | |
506 | if (errno == ERANGE) | |
507 | return 0; | |
508 | oldval = val; | |
c8deb5a1 SP |
509 | if (!parse_unit_factor(end, &val)) |
510 | return 0; | |
ebaa1bd4 NA |
511 | if ((val > maximum_unsigned_value_of_type(long)) || |
512 | (oldval > val)) | |
513 | return 0; | |
c8deb5a1 | 514 | *ret = val; |
0b87b6e0 | 515 | return 1; |
17712991 | 516 | } |
0b87b6e0 BD |
517 | return 0; |
518 | } | |
519 | ||
c1867cea JK |
520 | static void die_bad_config(const char *name) |
521 | { | |
924aaf3e RJ |
522 | if (cf && cf->name) |
523 | die("bad config value for '%s' in %s", name, cf->name); | |
c1867cea JK |
524 | die("bad config value for '%s'", name); |
525 | } | |
526 | ||
0b87b6e0 BD |
527 | int git_config_int(const char *name, const char *value) |
528 | { | |
0433bcd9 | 529 | long ret = 0; |
0b87b6e0 | 530 | if (!git_parse_long(value, &ret)) |
c1867cea | 531 | die_bad_config(name); |
0b87b6e0 BD |
532 | return ret; |
533 | } | |
534 | ||
535 | unsigned long git_config_ulong(const char *name, const char *value) | |
536 | { | |
537 | unsigned long ret; | |
538 | if (!git_parse_ulong(value, &ret)) | |
c1867cea | 539 | die_bad_config(name); |
0b87b6e0 | 540 | return ret; |
17712991 LT |
541 | } |
542 | ||
b2be2f6a | 543 | static int git_config_maybe_bool_text(const char *name, const char *value) |
17712991 LT |
544 | { |
545 | if (!value) | |
546 | return 1; | |
547 | if (!*value) | |
548 | return 0; | |
8420ccd8 JH |
549 | if (!strcasecmp(value, "true") |
550 | || !strcasecmp(value, "yes") | |
551 | || !strcasecmp(value, "on")) | |
17712991 | 552 | return 1; |
8420ccd8 JH |
553 | if (!strcasecmp(value, "false") |
554 | || !strcasecmp(value, "no") | |
555 | || !strcasecmp(value, "off")) | |
17712991 | 556 | return 0; |
8420ccd8 JH |
557 | return -1; |
558 | } | |
559 | ||
b2be2f6a JK |
560 | int git_config_maybe_bool(const char *name, const char *value) |
561 | { | |
db6195ef | 562 | long v = git_config_maybe_bool_text(name, value); |
b2be2f6a JK |
563 | if (0 <= v) |
564 | return v; | |
db6195ef JK |
565 | if (git_parse_long(value, &v)) |
566 | return !!v; | |
b2be2f6a JK |
567 | return -1; |
568 | } | |
569 | ||
8420ccd8 JH |
570 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
571 | { | |
b2be2f6a | 572 | int v = git_config_maybe_bool_text(name, value); |
8420ccd8 JH |
573 | if (0 <= v) { |
574 | *is_bool = 1; | |
575 | return v; | |
576 | } | |
a53f2ec6 | 577 | *is_bool = 0; |
c35b0b58 | 578 | return git_config_int(name, value); |
17712991 LT |
579 | } |
580 | ||
a53f2ec6 JH |
581 | int git_config_bool(const char *name, const char *value) |
582 | { | |
583 | int discard; | |
c35b0b58 | 584 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
585 | } |
586 | ||
ea5105a5 CC |
587 | int git_config_string(const char **dest, const char *var, const char *value) |
588 | { | |
589 | if (!value) | |
590 | return config_error_nonbool(var); | |
591 | *dest = xstrdup(value); | |
592 | return 0; | |
593 | } | |
594 | ||
395de250 MM |
595 | int git_config_pathname(const char **dest, const char *var, const char *value) |
596 | { | |
597 | if (!value) | |
598 | return config_error_nonbool(var); | |
599 | *dest = expand_user_path(value); | |
600 | if (!*dest) | |
601 | die("Failed to expand user dir in: '%s'", value); | |
602 | return 0; | |
603 | } | |
604 | ||
806e2ad7 | 605 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
606 | { |
607 | /* This needs a better name */ | |
608 | if (!strcmp(var, "core.filemode")) { | |
609 | trust_executable_bit = git_config_bool(var, value); | |
610 | return 0; | |
611 | } | |
1ce4790b AR |
612 | if (!strcmp(var, "core.trustctime")) { |
613 | trust_ctime = git_config_bool(var, value); | |
614 | return 0; | |
615 | } | |
6f4dd60d JH |
616 | if (!strcmp(var, "core.statinfo") || |
617 | !strcmp(var, "core.checkstat")) { | |
618 | /* | |
619 | * NEEDSWORK: statinfo was a typo in v1.8.2 that has | |
620 | * never been advertised. we will remove it at Git | |
621 | * 2.0 boundary. | |
622 | */ | |
623 | if (!strcmp(var, "core.statinfo")) { | |
624 | static int warned; | |
625 | if (!warned++) { | |
626 | warning("'core.statinfo' will be removed in Git 2.0; " | |
627 | "use 'core.checkstat' instead."); | |
628 | } | |
629 | } | |
c08e4d5b RR |
630 | if (!strcasecmp(value, "default")) |
631 | check_stat = 1; | |
632 | else if (!strcasecmp(value, "minimal")) | |
633 | check_stat = 0; | |
634 | } | |
17712991 | 635 | |
9378c161 JH |
636 | if (!strcmp(var, "core.quotepath")) { |
637 | quote_path_fully = git_config_bool(var, value); | |
638 | return 0; | |
639 | } | |
640 | ||
78a8d641 JS |
641 | if (!strcmp(var, "core.symlinks")) { |
642 | has_symlinks = git_config_bool(var, value); | |
643 | return 0; | |
644 | } | |
645 | ||
0a9b88b7 LT |
646 | if (!strcmp(var, "core.ignorecase")) { |
647 | ignore_case = git_config_bool(var, value); | |
648 | return 0; | |
649 | } | |
650 | ||
64589a03 JH |
651 | if (!strcmp(var, "core.attributesfile")) |
652 | return git_config_pathname(&git_attributes_file, var, value); | |
653 | ||
7d1864ce JH |
654 | if (!strcmp(var, "core.bare")) { |
655 | is_bare_repository_cfg = git_config_bool(var, value); | |
656 | return 0; | |
657 | } | |
658 | ||
5f73076c JH |
659 | if (!strcmp(var, "core.ignorestat")) { |
660 | assume_unchanged = git_config_bool(var, value); | |
661 | return 0; | |
662 | } | |
663 | ||
e388c738 JH |
664 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
665 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
666 | return 0; |
667 | } | |
668 | ||
6de08ae6 SP |
669 | if (!strcmp(var, "core.logallrefupdates")) { |
670 | log_all_ref_updates = git_config_bool(var, value); | |
671 | return 0; | |
672 | } | |
673 | ||
2f8acdb3 JH |
674 | if (!strcmp(var, "core.warnambiguousrefs")) { |
675 | warn_ambiguous_refs = git_config_bool(var, value); | |
676 | return 0; | |
677 | } | |
678 | ||
a71f09fe | 679 | if (!strcmp(var, "core.abbrev")) { |
dce96489 LT |
680 | int abbrev = git_config_int(var, value); |
681 | if (abbrev < minimum_abbrev || abbrev > 40) | |
682 | return -1; | |
683 | default_abbrev = abbrev; | |
684 | return 0; | |
685 | } | |
686 | ||
960ccca6 | 687 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
688 | int level = git_config_int(var, value); |
689 | if (level == -1) | |
690 | level = Z_DEFAULT_COMPRESSION; | |
691 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
692 | die("bad zlib compression level %d", level); | |
693 | zlib_compression_level = level; | |
960ccca6 DH |
694 | zlib_compression_seen = 1; |
695 | return 0; | |
696 | } | |
697 | ||
698 | if (!strcmp(var, "core.compression")) { | |
699 | int level = git_config_int(var, value); | |
700 | if (level == -1) | |
701 | level = Z_DEFAULT_COMPRESSION; | |
702 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
703 | die("bad zlib compression level %d", level); | |
704 | core_compression_level = level; | |
705 | core_compression_seen = 1; | |
706 | if (!zlib_compression_seen) | |
707 | zlib_compression_level = level; | |
12f6c308 JBH |
708 | return 0; |
709 | } | |
710 | ||
60bb8b14 | 711 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 712 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 713 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
714 | |
715 | /* This value must be multiple of (pagesize * 2) */ | |
716 | packed_git_window_size /= pgsz_x2; | |
717 | if (packed_git_window_size < 1) | |
718 | packed_git_window_size = 1; | |
719 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
720 | return 0; |
721 | } | |
722 | ||
15366280 | 723 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 724 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
725 | return 0; |
726 | } | |
727 | ||
77ccc5bb | 728 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 729 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
730 | return 0; |
731 | } | |
732 | ||
18bdec11 | 733 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 734 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
735 | return 0; |
736 | } | |
737 | ||
6c510bee | 738 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 739 | if (value && !strcasecmp(value, "input")) { |
ec70f52f | 740 | if (core_eol == EOL_CRLF) |
942e7747 | 741 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
fd6cce9e | 742 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
743 | return 0; |
744 | } | |
6c510bee LT |
745 | auto_crlf = git_config_bool(var, value); |
746 | return 0; | |
747 | } | |
748 | ||
21e5ad50 SP |
749 | if (!strcmp(var, "core.safecrlf")) { |
750 | if (value && !strcasecmp(value, "warn")) { | |
751 | safe_crlf = SAFE_CRLF_WARN; | |
752 | return 0; | |
753 | } | |
754 | safe_crlf = git_config_bool(var, value); | |
755 | return 0; | |
756 | } | |
757 | ||
942e7747 EB |
758 | if (!strcmp(var, "core.eol")) { |
759 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 760 | core_eol = EOL_LF; |
942e7747 | 761 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 762 | core_eol = EOL_CRLF; |
942e7747 | 763 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 764 | core_eol = EOL_NATIVE; |
942e7747 | 765 | else |
ec70f52f JH |
766 | core_eol = EOL_UNSET; |
767 | if (core_eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT) | |
942e7747 EB |
768 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
769 | return 0; | |
770 | } | |
771 | ||
a97a7468 JS |
772 | if (!strcmp(var, "core.notesref")) { |
773 | notes_ref_name = xstrdup(value); | |
774 | return 0; | |
775 | } | |
776 | ||
806e2ad7 LT |
777 | if (!strcmp(var, "core.pager")) |
778 | return git_config_string(&pager_program, var, value); | |
779 | ||
780 | if (!strcmp(var, "core.editor")) | |
781 | return git_config_string(&editor_program, var, value); | |
782 | ||
eff80a9f JH |
783 | if (!strcmp(var, "core.commentchar")) { |
784 | const char *comment; | |
785 | int ret = git_config_string(&comment, var, value); | |
786 | if (!ret) | |
787 | comment_line_char = comment[0]; | |
788 | return ret; | |
789 | } | |
790 | ||
d3e7da89 AK |
791 | if (!strcmp(var, "core.askpass")) |
792 | return git_config_string(&askpass_program, var, value); | |
793 | ||
806e2ad7 | 794 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 795 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
796 | |
797 | if (!strcmp(var, "core.whitespace")) { | |
798 | if (!value) | |
799 | return config_error_nonbool(var); | |
800 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
801 | return 0; | |
802 | } | |
803 | ||
aafe9fba LT |
804 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
805 | fsync_object_files = git_config_bool(var, value); | |
806 | return 0; | |
807 | } | |
808 | ||
671c9b7e LT |
809 | if (!strcmp(var, "core.preloadindex")) { |
810 | core_preload_index = git_config_bool(var, value); | |
811 | return 0; | |
812 | } | |
813 | ||
348df166 JS |
814 | if (!strcmp(var, "core.createobject")) { |
815 | if (!strcmp(value, "rename")) | |
816 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
817 | else if (!strcmp(value, "link")) | |
818 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
819 | else | |
820 | die("Invalid mode for object creation: %s", value); | |
be66a6c4 JS |
821 | return 0; |
822 | } | |
823 | ||
08aefc9e NTND |
824 | if (!strcmp(var, "core.sparsecheckout")) { |
825 | core_apply_sparse_checkout = git_config_bool(var, value); | |
826 | return 0; | |
827 | } | |
828 | ||
76759c7d TB |
829 | if (!strcmp(var, "core.precomposeunicode")) { |
830 | precomposed_unicode = git_config_bool(var, value); | |
831 | return 0; | |
832 | } | |
833 | ||
806e2ad7 LT |
834 | /* Add other config variables here and to Documentation/config.txt. */ |
835 | return 0; | |
836 | } | |
837 | ||
1141f492 | 838 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 839 | { |
ea5105a5 CC |
840 | if (!strcmp(var, "i18n.commitencoding")) |
841 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 842 | |
ea5105a5 CC |
843 | if (!strcmp(var, "i18n.logoutputencoding")) |
844 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 845 | |
1141f492 LT |
846 | /* Add other config variables here and to Documentation/config.txt. */ |
847 | return 0; | |
848 | } | |
039bc64e | 849 | |
1141f492 LT |
850 | static int git_default_branch_config(const char *var, const char *value) |
851 | { | |
9ed36cfa JS |
852 | if (!strcmp(var, "branch.autosetupmerge")) { |
853 | if (value && !strcasecmp(value, "always")) { | |
854 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
855 | return 0; | |
856 | } | |
857 | git_branch_track = git_config_bool(var, value); | |
858 | return 0; | |
859 | } | |
c998ae9b DS |
860 | if (!strcmp(var, "branch.autosetuprebase")) { |
861 | if (!value) | |
862 | return config_error_nonbool(var); | |
863 | else if (!strcmp(value, "never")) | |
864 | autorebase = AUTOREBASE_NEVER; | |
865 | else if (!strcmp(value, "local")) | |
866 | autorebase = AUTOREBASE_LOCAL; | |
867 | else if (!strcmp(value, "remote")) | |
868 | autorebase = AUTOREBASE_REMOTE; | |
869 | else if (!strcmp(value, "always")) | |
870 | autorebase = AUTOREBASE_ALWAYS; | |
871 | else | |
872 | return error("Malformed value for %s", var); | |
873 | return 0; | |
874 | } | |
a9cc857a | 875 | |
1ab661dd | 876 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
877 | return 0; |
878 | } | |
879 | ||
52153747 FAG |
880 | static int git_default_push_config(const char *var, const char *value) |
881 | { | |
882 | if (!strcmp(var, "push.default")) { | |
883 | if (!value) | |
884 | return config_error_nonbool(var); | |
885 | else if (!strcmp(value, "nothing")) | |
886 | push_default = PUSH_DEFAULT_NOTHING; | |
887 | else if (!strcmp(value, "matching")) | |
888 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
889 | else if (!strcmp(value, "simple")) |
890 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
891 | else if (!strcmp(value, "upstream")) |
892 | push_default = PUSH_DEFAULT_UPSTREAM; | |
893 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
894 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
895 | else if (!strcmp(value, "current")) |
896 | push_default = PUSH_DEFAULT_CURRENT; | |
897 | else { | |
898 | error("Malformed value for %s: %s", var, value); | |
b55e6775 MM |
899 | return error("Must be one of nothing, matching, simple, " |
900 | "upstream or current."); | |
52153747 FAG |
901 | } |
902 | return 0; | |
903 | } | |
904 | ||
905 | /* Add other config variables here and to Documentation/config.txt. */ | |
906 | return 0; | |
907 | } | |
908 | ||
d551a488 MSO |
909 | static int git_default_mailmap_config(const char *var, const char *value) |
910 | { | |
911 | if (!strcmp(var, "mailmap.file")) | |
912 | return git_config_string(&git_mailmap_file, var, value); | |
08610900 JK |
913 | if (!strcmp(var, "mailmap.blob")) |
914 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
915 | |
916 | /* Add other config variables here and to Documentation/config.txt. */ | |
917 | return 0; | |
918 | } | |
919 | ||
1141f492 LT |
920 | int git_default_config(const char *var, const char *value, void *dummy) |
921 | { | |
922 | if (!prefixcmp(var, "core.")) | |
923 | return git_default_core_config(var, value); | |
924 | ||
925 | if (!prefixcmp(var, "user.")) | |
9597921b | 926 | return git_ident_config(var, value, dummy); |
1141f492 LT |
927 | |
928 | if (!prefixcmp(var, "i18n.")) | |
929 | return git_default_i18n_config(var, value); | |
930 | ||
931 | if (!prefixcmp(var, "branch.")) | |
932 | return git_default_branch_config(var, value); | |
933 | ||
52153747 FAG |
934 | if (!prefixcmp(var, "push.")) |
935 | return git_default_push_config(var, value); | |
936 | ||
d551a488 MSO |
937 | if (!prefixcmp(var, "mailmap.")) |
938 | return git_default_mailmap_config(var, value); | |
939 | ||
75194438 JK |
940 | if (!prefixcmp(var, "advice.")) |
941 | return git_default_advice_config(var, value); | |
942 | ||
1141f492 LT |
943 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
944 | pager_use_color = git_config_bool(var,value); | |
945 | return 0; | |
946 | } | |
947 | ||
568508e7 JH |
948 | if (!strcmp(var, "pack.packsizelimit")) { |
949 | pack_size_limit_cfg = git_config_ulong(var, value); | |
950 | return 0; | |
951 | } | |
1141f492 LT |
952 | /* Add other config variables here and to Documentation/config.txt. */ |
953 | return 0; | |
954 | } | |
955 | ||
ca4b5de2 | 956 | /* |
b2dc0945 | 957 | * All source specific fields in the union, die_on_error, name and the callbacks |
4d8dd149 | 958 | * fgetc, ungetc, ftell of top need to be initialized before calling |
ca4b5de2 HV |
959 | * this function. |
960 | */ | |
4d8dd149 | 961 | static int do_config_from(struct config_source *top, config_fn_t fn, void *data) |
ca4b5de2 HV |
962 | { |
963 | int ret; | |
964 | ||
965 | /* push config-file parsing state stack */ | |
966 | top->prev = cf; | |
967 | top->linenr = 1; | |
968 | top->eof = 0; | |
969 | strbuf_init(&top->value, 1024); | |
970 | strbuf_init(&top->var, 1024); | |
971 | cf = top; | |
972 | ||
4d8dd149 | 973 | ret = git_parse_source(fn, data); |
ca4b5de2 HV |
974 | |
975 | /* pop config-file parsing state stack */ | |
976 | strbuf_release(&top->value); | |
977 | strbuf_release(&top->var); | |
978 | cf = top->prev; | |
979 | ||
980 | return ret; | |
981 | } | |
982 | ||
ef90d6d4 | 983 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) |
17712991 LT |
984 | { |
985 | int ret; | |
4f629539 | 986 | FILE *f = fopen(filename, "r"); |
17712991 LT |
987 | |
988 | ret = -1; | |
989 | if (f) { | |
4d8dd149 | 990 | struct config_source top; |
924aaf3e | 991 | |
4d8dd149 | 992 | top.u.file = f; |
924aaf3e | 993 | top.name = filename; |
b2dc0945 | 994 | top.die_on_error = 1; |
4d8dd149 HV |
995 | top.fgetc = config_file_fgetc; |
996 | top.ungetc = config_file_ungetc; | |
997 | top.ftell = config_file_ftell; | |
924aaf3e | 998 | |
ca4b5de2 | 999 | ret = do_config_from(&top, fn, data); |
924aaf3e | 1000 | |
17712991 LT |
1001 | fclose(f); |
1002 | } | |
1003 | return ret; | |
1004 | } | |
10bea152 | 1005 | |
1bc88819 HV |
1006 | int git_config_from_buf(config_fn_t fn, const char *name, const char *buf, |
1007 | size_t len, void *data) | |
1008 | { | |
1009 | struct config_source top; | |
1010 | ||
1011 | top.u.buf.buf = buf; | |
1012 | top.u.buf.len = len; | |
1013 | top.u.buf.pos = 0; | |
1014 | top.name = name; | |
b2dc0945 | 1015 | top.die_on_error = 0; |
1bc88819 HV |
1016 | top.fgetc = config_buf_fgetc; |
1017 | top.ungetc = config_buf_ungetc; | |
1018 | top.ftell = config_buf_ftell; | |
1019 | ||
1020 | return do_config_from(&top, fn, data); | |
1021 | } | |
1022 | ||
1023 | static int git_config_from_blob_sha1(config_fn_t fn, | |
1024 | const char *name, | |
1025 | const unsigned char *sha1, | |
1026 | void *data) | |
1027 | { | |
1028 | enum object_type type; | |
1029 | char *buf; | |
1030 | unsigned long size; | |
1031 | int ret; | |
1032 | ||
1033 | buf = read_sha1_file(sha1, &type, &size); | |
1034 | if (!buf) | |
1035 | return error("unable to load config blob object '%s'", name); | |
1036 | if (type != OBJ_BLOB) { | |
1037 | free(buf); | |
1038 | return error("reference '%s' does not point to a blob", name); | |
1039 | } | |
1040 | ||
1041 | ret = git_config_from_buf(fn, name, buf, size, data); | |
1042 | free(buf); | |
1043 | ||
1044 | return ret; | |
1045 | } | |
1046 | ||
1047 | static int git_config_from_blob_ref(config_fn_t fn, | |
1048 | const char *name, | |
1049 | void *data) | |
1050 | { | |
1051 | unsigned char sha1[20]; | |
1052 | ||
1053 | if (get_sha1(name, sha1) < 0) | |
1054 | return error("unable to resolve config blob '%s'", name); | |
1055 | return git_config_from_blob_sha1(fn, name, sha1, data); | |
1056 | } | |
1057 | ||
506b17b1 JS |
1058 | const char *git_etc_gitconfig(void) |
1059 | { | |
7f0e39fa | 1060 | static const char *system_wide; |
2de9de5e SP |
1061 | if (!system_wide) |
1062 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 1063 | return system_wide; |
506b17b1 JS |
1064 | } |
1065 | ||
0ef37164 | 1066 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
1067 | { |
1068 | const char *v = getenv(k); | |
1069 | return v ? git_config_bool(k, v) : def; | |
1070 | } | |
1071 | ||
1072 | int git_config_system(void) | |
1073 | { | |
1074 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
1075 | } | |
1076 | ||
dbdf5854 | 1077 | int git_config_early(config_fn_t fn, void *data, const char *repo_config) |
4f629539 | 1078 | { |
aa387407 | 1079 | int ret = 0, found = 0; |
21cf3227 HKNN |
1080 | char *xdg_config = NULL; |
1081 | char *user_config = NULL; | |
1082 | ||
1083 | home_config_paths(&user_config, &xdg_config, "config"); | |
5f1a63e0 | 1084 | |
4698c8fe | 1085 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) { |
dc871831 DB |
1086 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
1087 | data); | |
aa387407 FC |
1088 | found += 1; |
1089 | } | |
5f1a63e0 | 1090 | |
4698c8fe | 1091 | if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK)) { |
21cf3227 HKNN |
1092 | ret += git_config_from_file(fn, xdg_config, data); |
1093 | found += 1; | |
1094 | } | |
1095 | ||
4698c8fe | 1096 | if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK)) { |
21cf3227 HKNN |
1097 | ret += git_config_from_file(fn, user_config, data); |
1098 | found += 1; | |
5f1a63e0 JS |
1099 | } |
1100 | ||
4698c8fe | 1101 | if (repo_config && !access_or_die(repo_config, R_OK, 0)) { |
aa387407 FC |
1102 | ret += git_config_from_file(fn, repo_config, data); |
1103 | found += 1; | |
1104 | } | |
8b1fa778 | 1105 | |
5a0c9eeb JK |
1106 | switch (git_config_from_parameters(fn, data)) { |
1107 | case -1: /* error */ | |
1c2c9bee | 1108 | die("unable to parse command-line config"); |
5a0c9eeb JK |
1109 | break; |
1110 | case 0: /* found nothing */ | |
1111 | break; | |
1112 | default: /* found at least one item */ | |
1113 | found++; | |
1114 | break; | |
1115 | } | |
8b1fa778 | 1116 | |
21cf3227 HKNN |
1117 | free(xdg_config); |
1118 | free(user_config); | |
1f2baa78 | 1119 | return ret == 0 ? found : ret; |
4f629539 JH |
1120 | } |
1121 | ||
c9b5e2a5 | 1122 | int git_config_with_options(config_fn_t fn, void *data, |
1bc88819 HV |
1123 | const char *filename, |
1124 | const char *blob_ref, | |
1125 | int respect_includes) | |
dbdf5854 NTND |
1126 | { |
1127 | char *repo_config = NULL; | |
1128 | int ret; | |
9b25a0b5 JK |
1129 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1130 | ||
1131 | if (respect_includes) { | |
1132 | inc.fn = fn; | |
1133 | inc.data = data; | |
1134 | fn = git_config_include; | |
1135 | data = &inc; | |
1136 | } | |
dbdf5854 | 1137 | |
c9b5e2a5 JK |
1138 | /* |
1139 | * If we have a specific filename, use it. Otherwise, follow the | |
1140 | * regular lookup sequence. | |
1141 | */ | |
1142 | if (filename) | |
1143 | return git_config_from_file(fn, filename, data); | |
1bc88819 HV |
1144 | else if (blob_ref) |
1145 | return git_config_from_blob_ref(fn, blob_ref, data); | |
c9b5e2a5 | 1146 | |
dbdf5854 NTND |
1147 | repo_config = git_pathdup("config"); |
1148 | ret = git_config_early(fn, data, repo_config); | |
1149 | if (repo_config) | |
1150 | free(repo_config); | |
1151 | return ret; | |
1152 | } | |
1153 | ||
c9b5e2a5 JK |
1154 | int git_config(config_fn_t fn, void *data) |
1155 | { | |
1bc88819 | 1156 | return git_config_with_options(fn, data, NULL, NULL, 1); |
c9b5e2a5 JK |
1157 | } |
1158 | ||
10bea152 JS |
1159 | /* |
1160 | * Find all the stuff for git_config_set() below. | |
1161 | */ | |
4ddba79d JS |
1162 | |
1163 | #define MAX_MATCHES 512 | |
1164 | ||
10bea152 JS |
1165 | static struct { |
1166 | int baselen; | |
4b25d091 | 1167 | char *key; |
f98d863d | 1168 | int do_not_match; |
4b25d091 | 1169 | regex_t *value_regex; |
4ddba79d | 1170 | int multi_replace; |
dc49cd76 | 1171 | size_t offset[MAX_MATCHES]; |
10bea152 JS |
1172 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
1173 | int seen; | |
1174 | } store; | |
1175 | ||
4b25d091 | 1176 | static int matches(const char *key, const char *value) |
f98d863d JS |
1177 | { |
1178 | return !strcmp(key, store.key) && | |
1179 | (store.value_regex == NULL || | |
1180 | (store.do_not_match ^ | |
1181 | !regexec(store.value_regex, value, 0, NULL, 0))); | |
1182 | } | |
1183 | ||
4b25d091 | 1184 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 1185 | { |
ae9ee41d JH |
1186 | const char *ep; |
1187 | size_t section_len; | |
1188 | ||
10bea152 JS |
1189 | switch (store.state) { |
1190 | case KEY_SEEN: | |
f98d863d | 1191 | if (matches(key, value)) { |
4ddba79d | 1192 | if (store.seen == 1 && store.multi_replace == 0) { |
64c0d71c | 1193 | warning("%s has multiple values", key); |
4ddba79d | 1194 | } else if (store.seen >= MAX_MATCHES) { |
64c0d71c | 1195 | error("too many matches for %s", key); |
4ddba79d | 1196 | return 1; |
10bea152 | 1197 | } |
4ddba79d | 1198 | |
4d8dd149 | 1199 | store.offset[store.seen] = cf->ftell(cf); |
10bea152 JS |
1200 | store.seen++; |
1201 | } | |
1202 | break; | |
1203 | case SECTION_SEEN: | |
ae9ee41d JH |
1204 | /* |
1205 | * What we are looking for is in store.key (both | |
1206 | * section and var), and its section part is baselen | |
1207 | * long. We found key (again, both section and var). | |
1208 | * We would want to know if this key is in the same | |
1209 | * section as what we are looking for. We already | |
1210 | * know we are in the same section as what should | |
1211 | * hold store.key. | |
1212 | */ | |
1213 | ep = strrchr(key, '.'); | |
1214 | section_len = ep - key; | |
1215 | ||
1216 | if ((section_len != store.baselen) || | |
1217 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
1218 | store.state = SECTION_END_SEEN; |
1219 | break; | |
ae9ee41d JH |
1220 | } |
1221 | ||
1222 | /* | |
1223 | * Do not increment matches: this is no match, but we | |
1224 | * just made sure we are in the desired section. | |
1225 | */ | |
4d8dd149 | 1226 | store.offset[store.seen] = cf->ftell(cf); |
10bea152 JS |
1227 | /* fallthru */ |
1228 | case SECTION_END_SEEN: | |
1229 | case START: | |
f98d863d | 1230 | if (matches(key, value)) { |
4d8dd149 | 1231 | store.offset[store.seen] = cf->ftell(cf); |
10bea152 JS |
1232 | store.state = KEY_SEEN; |
1233 | store.seen++; | |
d14f7764 LT |
1234 | } else { |
1235 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 1236 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 1237 | store.state = SECTION_SEEN; |
4d8dd149 | 1238 | store.offset[store.seen] = cf->ftell(cf); |
d14f7764 | 1239 | } |
bdf0ef08 | 1240 | } |
10bea152 JS |
1241 | } |
1242 | return 0; | |
1243 | } | |
1244 | ||
64c0d71c | 1245 | static int write_error(const char *filename) |
480c9e52 | 1246 | { |
64c0d71c | 1247 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
1248 | |
1249 | /* Same error code as "failed to rename". */ | |
1250 | return 4; | |
1251 | } | |
1252 | ||
4b25d091 | 1253 | static int store_write_section(int fd, const char *key) |
10bea152 | 1254 | { |
cb891a59 KH |
1255 | const char *dot; |
1256 | int i, success; | |
f285a2d7 | 1257 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 1258 | |
cb891a59 | 1259 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 1260 | if (dot) { |
cb891a59 KH |
1261 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
1262 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 1263 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
1264 | strbuf_addch(&sb, '\\'); |
1265 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 1266 | } |
cb891a59 KH |
1267 | strbuf_addstr(&sb, "\"]\n"); |
1268 | } else { | |
1269 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
1270 | } |
1271 | ||
cb891a59 KH |
1272 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
1273 | strbuf_release(&sb); | |
480c9e52 | 1274 | |
cb891a59 | 1275 | return success; |
10bea152 JS |
1276 | } |
1277 | ||
4b25d091 | 1278 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 1279 | { |
cb891a59 KH |
1280 | int i, success; |
1281 | int length = strlen(key + store.baselen + 1); | |
1282 | const char *quote = ""; | |
f285a2d7 | 1283 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 1284 | |
6281f394 JM |
1285 | /* |
1286 | * Check to see if the value needs to be surrounded with a dq pair. | |
1287 | * Note that problematic characters are always backslash-quoted; this | |
1288 | * check is about not losing leading or trailing SP and strings that | |
1289 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
1290 | * configuration parser. | |
1291 | */ | |
cdd4fb15 | 1292 | if (value[0] == ' ') |
cb891a59 | 1293 | quote = "\""; |
cdd4fb15 BG |
1294 | for (i = 0; value[i]; i++) |
1295 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
1296 | quote = "\""; |
1297 | if (i && value[i - 1] == ' ') | |
1298 | quote = "\""; | |
1299 | ||
cb891a59 KH |
1300 | strbuf_addf(&sb, "\t%.*s = %s", |
1301 | length, key + store.baselen + 1, quote); | |
10bea152 | 1302 | |
10bea152 JS |
1303 | for (i = 0; value[i]; i++) |
1304 | switch (value[i]) { | |
480c9e52 | 1305 | case '\n': |
cb891a59 | 1306 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
1307 | break; |
1308 | case '\t': | |
cb891a59 | 1309 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
1310 | break; |
1311 | case '"': | |
1312 | case '\\': | |
cb891a59 | 1313 | strbuf_addch(&sb, '\\'); |
480c9e52 | 1314 | default: |
cb891a59 | 1315 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
1316 | break; |
1317 | } | |
cb891a59 KH |
1318 | strbuf_addf(&sb, "%s\n", quote); |
1319 | ||
1320 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
1321 | strbuf_release(&sb); | |
1322 | ||
1323 | return success; | |
10bea152 JS |
1324 | } |
1325 | ||
4b25d091 FC |
1326 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
1327 | size_t offset_, int *found_bracket) | |
4ddba79d | 1328 | { |
dc49cd76 SP |
1329 | size_t equal_offset = size, bracket_offset = size; |
1330 | ssize_t offset; | |
4ddba79d | 1331 | |
7a31cc0f | 1332 | contline: |
a6080a0a | 1333 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
1334 | && contents[offset] != '\n'; offset--) |
1335 | switch (contents[offset]) { | |
1336 | case '=': equal_offset = offset; break; | |
1337 | case ']': bracket_offset = offset; break; | |
1338 | } | |
7a31cc0f FL |
1339 | if (offset > 0 && contents[offset-1] == '\\') { |
1340 | offset_ = offset; | |
1341 | goto contline; | |
1342 | } | |
4ddba79d JS |
1343 | if (bracket_offset < equal_offset) { |
1344 | *found_bracket = 1; | |
1345 | offset = bracket_offset+1; | |
1346 | } else | |
1347 | offset++; | |
1348 | ||
1349 | return offset; | |
1350 | } | |
1351 | ||
5ec31182 RR |
1352 | int git_config_set_in_file(const char *config_filename, |
1353 | const char *key, const char *value) | |
1354 | { | |
1355 | return git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); | |
1356 | } | |
1357 | ||
4b25d091 | 1358 | int git_config_set(const char *key, const char *value) |
10bea152 | 1359 | { |
4ddba79d | 1360 | return git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
1361 | } |
1362 | ||
b09c53a3 LP |
1363 | /* |
1364 | * Auxiliary function to sanity-check and split the key into the section | |
1365 | * identifier and variable name. | |
1366 | * | |
1367 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
1368 | * -2 if there is no section name in the key. | |
1369 | * | |
1370 | * store_key - pointer to char* which will hold a copy of the key with | |
1371 | * lowercase section and variable name | |
1372 | * baselen - pointer to int which will hold the length of the | |
1373 | * section + subsection part, can be NULL | |
1374 | */ | |
1375 | int git_config_parse_key(const char *key, char **store_key, int *baselen_) | |
1376 | { | |
1377 | int i, dot, baselen; | |
1378 | const char *last_dot = strrchr(key, '.'); | |
1379 | ||
1380 | /* | |
1381 | * Since "key" actually contains the section name and the real | |
1382 | * key name separated by a dot, we have to know where the dot is. | |
1383 | */ | |
1384 | ||
2169ddc0 | 1385 | if (last_dot == NULL || last_dot == key) { |
b09c53a3 | 1386 | error("key does not contain a section: %s", key); |
7a397419 | 1387 | return -CONFIG_NO_SECTION_OR_NAME; |
b09c53a3 LP |
1388 | } |
1389 | ||
2169ddc0 LP |
1390 | if (!last_dot[1]) { |
1391 | error("key does not contain variable name: %s", key); | |
7a397419 | 1392 | return -CONFIG_NO_SECTION_OR_NAME; |
2169ddc0 LP |
1393 | } |
1394 | ||
b09c53a3 LP |
1395 | baselen = last_dot - key; |
1396 | if (baselen_) | |
1397 | *baselen_ = baselen; | |
1398 | ||
1399 | /* | |
1400 | * Validate the key and while at it, lower case it for matching. | |
1401 | */ | |
1402 | *store_key = xmalloc(strlen(key) + 1); | |
1403 | ||
1404 | dot = 0; | |
1405 | for (i = 0; key[i]; i++) { | |
1406 | unsigned char c = key[i]; | |
1407 | if (c == '.') | |
1408 | dot = 1; | |
1409 | /* Leave the extended basename untouched.. */ | |
1410 | if (!dot || i > baselen) { | |
1411 | if (!iskeychar(c) || | |
1412 | (i == baselen + 1 && !isalpha(c))) { | |
1413 | error("invalid key: %s", key); | |
1414 | goto out_free_ret_1; | |
1415 | } | |
1416 | c = tolower(c); | |
1417 | } else if (c == '\n') { | |
1418 | error("invalid key (newline): %s", key); | |
1419 | goto out_free_ret_1; | |
1420 | } | |
1421 | (*store_key)[i] = c; | |
1422 | } | |
1423 | (*store_key)[i] = 0; | |
1424 | ||
1425 | return 0; | |
1426 | ||
1427 | out_free_ret_1: | |
1428 | free(*store_key); | |
97ed50f9 | 1429 | *store_key = NULL; |
7a397419 | 1430 | return -CONFIG_INVALID_KEY; |
b09c53a3 LP |
1431 | } |
1432 | ||
10bea152 JS |
1433 | /* |
1434 | * If value==NULL, unset in (remove from) config, | |
1435 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
4ddba79d JS |
1436 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
1437 | * else all matching key/values (regardless how many) are removed, | |
1438 | * before the new pair is written. | |
10bea152 JS |
1439 | * |
1440 | * Returns 0 on success. | |
1441 | * | |
1442 | * This function does this: | |
1443 | * | |
1444 | * - it locks the config file by creating ".git/config.lock" | |
1445 | * | |
1446 | * - it then parses the config using store_aux() as validator to find | |
1447 | * the position on the key/value pair to replace. If it is to be unset, | |
1448 | * it must be found exactly once. | |
1449 | * | |
1450 | * - the config file is mmap()ed and the part before the match (if any) is | |
1451 | * written to the lock file, then the changed part and the rest. | |
1452 | * | |
1453 | * - the config file is removed and the lock file rename()d to it. | |
1454 | * | |
1455 | */ | |
5ec31182 RR |
1456 | int git_config_set_multivar_in_file(const char *config_filename, |
1457 | const char *key, const char *value, | |
1458 | const char *value_regex, int multi_replace) | |
10bea152 | 1459 | { |
f8ba655e | 1460 | int fd = -1, in_fd; |
dafc88b1 | 1461 | int ret; |
6cbf973c | 1462 | struct lock_file *lock = NULL; |
0a5f5759 | 1463 | char *filename_buf = NULL; |
4ddba79d | 1464 | |
b09c53a3 LP |
1465 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
1466 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
1467 | if (ret) | |
dafc88b1 | 1468 | goto out_free; |
b17e659d JS |
1469 | |
1470 | store.multi_replace = multi_replace; | |
10bea152 | 1471 | |
0a5f5759 JK |
1472 | if (!config_filename) |
1473 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
1474 | |
1475 | /* | |
6cbf973c | 1476 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
1477 | * contents of .git/config will be written into it. |
1478 | */ | |
6cbf973c BS |
1479 | lock = xcalloc(sizeof(struct lock_file), 1); |
1480 | fd = hold_lock_file_for_update(lock, config_filename, 0); | |
1481 | if (fd < 0) { | |
6ffd567b | 1482 | error("could not lock config file %s: %s", config_filename, strerror(errno)); |
10bea152 | 1483 | free(store.key); |
7a397419 | 1484 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 1485 | goto out_free; |
10bea152 JS |
1486 | } |
1487 | ||
1488 | /* | |
1489 | * If .git/config does not exist yet, write a minimal version. | |
1490 | */ | |
88fb958b AR |
1491 | in_fd = open(config_filename, O_RDONLY); |
1492 | if ( in_fd < 0 ) { | |
10bea152 JS |
1493 | free(store.key); |
1494 | ||
88fb958b AR |
1495 | if ( ENOENT != errno ) { |
1496 | error("opening %s: %s", config_filename, | |
1497 | strerror(errno)); | |
7a397419 | 1498 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 1499 | goto out_free; |
88fb958b | 1500 | } |
10bea152 JS |
1501 | /* if nothing to unset, error out */ |
1502 | if (value == NULL) { | |
7a397419 | 1503 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 1504 | goto out_free; |
10bea152 JS |
1505 | } |
1506 | ||
4b25d091 | 1507 | store.key = (char *)key; |
480c9e52 | 1508 | if (!store_write_section(fd, key) || |
93c1e079 JH |
1509 | !store_write_pair(fd, key, value)) |
1510 | goto write_err_out; | |
1511 | } else { | |
88fb958b | 1512 | struct stat st; |
4b25d091 | 1513 | char *contents; |
dc49cd76 SP |
1514 | size_t contents_sz, copy_begin, copy_end; |
1515 | int i, new_line = 0; | |
10bea152 JS |
1516 | |
1517 | if (value_regex == NULL) | |
1518 | store.value_regex = NULL; | |
1519 | else { | |
f98d863d JS |
1520 | if (value_regex[0] == '!') { |
1521 | store.do_not_match = 1; | |
1522 | value_regex++; | |
1523 | } else | |
1524 | store.do_not_match = 0; | |
1525 | ||
2d7320d0 | 1526 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
1527 | if (regcomp(store.value_regex, value_regex, |
1528 | REG_EXTENDED)) { | |
64c0d71c | 1529 | error("invalid pattern: %s", value_regex); |
10bea152 | 1530 | free(store.value_regex); |
7a397419 | 1531 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 1532 | goto out_free; |
10bea152 JS |
1533 | } |
1534 | } | |
1535 | ||
4ddba79d | 1536 | store.offset[0] = 0; |
10bea152 JS |
1537 | store.state = START; |
1538 | store.seen = 0; | |
1539 | ||
1540 | /* | |
1541 | * After this, store.offset will contain the *end* offset | |
1542 | * of the last match, or remain at 0 if no match was found. | |
1543 | * As a side effect, we make sure to transform only a valid | |
1544 | * existing config file. | |
1545 | */ | |
ef90d6d4 | 1546 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 1547 | error("invalid config file %s", config_filename); |
10bea152 JS |
1548 | free(store.key); |
1549 | if (store.value_regex != NULL) { | |
1550 | regfree(store.value_regex); | |
1551 | free(store.value_regex); | |
1552 | } | |
7a397419 | 1553 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 1554 | goto out_free; |
10bea152 JS |
1555 | } |
1556 | ||
1557 | free(store.key); | |
1558 | if (store.value_regex != NULL) { | |
1559 | regfree(store.value_regex); | |
1560 | free(store.value_regex); | |
1561 | } | |
1562 | ||
4ddba79d JS |
1563 | /* if nothing to unset, or too many matches, error out */ |
1564 | if ((store.seen == 0 && value == NULL) || | |
1565 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 1566 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 1567 | goto out_free; |
10bea152 JS |
1568 | } |
1569 | ||
88fb958b | 1570 | fstat(in_fd, &st); |
dc49cd76 SP |
1571 | contents_sz = xsize_t(st.st_size); |
1572 | contents = xmmap(NULL, contents_sz, PROT_READ, | |
10bea152 JS |
1573 | MAP_PRIVATE, in_fd, 0); |
1574 | close(in_fd); | |
1575 | ||
4ddba79d JS |
1576 | if (store.seen == 0) |
1577 | store.seen = 1; | |
1578 | ||
1579 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
1580 | if (store.offset[i] == 0) { | |
dc49cd76 | 1581 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
1582 | } else if (store.state != KEY_SEEN) { |
1583 | copy_end = store.offset[i]; | |
10bea152 | 1584 | } else |
4ddba79d | 1585 | copy_end = find_beginning_of_line( |
dc49cd76 | 1586 | contents, contents_sz, |
4ddba79d JS |
1587 | store.offset[i]-2, &new_line); |
1588 | ||
02e5ba4a JK |
1589 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
1590 | new_line = 1; | |
1591 | ||
4ddba79d JS |
1592 | /* write the first part of the config */ |
1593 | if (copy_end > copy_begin) { | |
93c1e079 JH |
1594 | if (write_in_full(fd, contents + copy_begin, |
1595 | copy_end - copy_begin) < | |
1596 | copy_end - copy_begin) | |
1597 | goto write_err_out; | |
1598 | if (new_line && | |
2b7ca830 | 1599 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 1600 | goto write_err_out; |
4ddba79d JS |
1601 | } |
1602 | copy_begin = store.offset[i]; | |
10bea152 JS |
1603 | } |
1604 | ||
10bea152 JS |
1605 | /* write the pair (value == NULL means unset) */ |
1606 | if (value != NULL) { | |
93c1e079 JH |
1607 | if (store.state == START) { |
1608 | if (!store_write_section(fd, key)) | |
1609 | goto write_err_out; | |
480c9e52 | 1610 | } |
93c1e079 JH |
1611 | if (!store_write_pair(fd, key, value)) |
1612 | goto write_err_out; | |
10bea152 JS |
1613 | } |
1614 | ||
1615 | /* write the rest of the config */ | |
dc49cd76 | 1616 | if (copy_begin < contents_sz) |
93c1e079 | 1617 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
1618 | contents_sz - copy_begin) < |
1619 | contents_sz - copy_begin) | |
93c1e079 | 1620 | goto write_err_out; |
10bea152 | 1621 | |
dc49cd76 | 1622 | munmap(contents, contents_sz); |
10bea152 JS |
1623 | } |
1624 | ||
4ed7cd3a | 1625 | if (commit_lock_file(lock) < 0) { |
64c0d71c | 1626 | error("could not commit config file %s", config_filename); |
7a397419 | 1627 | ret = CONFIG_NO_WRITE; |
dafc88b1 | 1628 | goto out_free; |
10bea152 JS |
1629 | } |
1630 | ||
6cbf973c BS |
1631 | /* |
1632 | * lock is committed, so don't try to roll it back below. | |
1633 | * NOTE: Since lockfile.c keeps a linked list of all created | |
1634 | * lock_file structures, it isn't safe to free(lock). It's | |
1635 | * better to just leave it hanging around. | |
1636 | */ | |
1637 | lock = NULL; | |
dafc88b1 SH |
1638 | ret = 0; |
1639 | ||
1640 | out_free: | |
6cbf973c BS |
1641 | if (lock) |
1642 | rollback_lock_file(lock); | |
0a5f5759 | 1643 | free(filename_buf); |
dafc88b1 | 1644 | return ret; |
93c1e079 JH |
1645 | |
1646 | write_err_out: | |
64c0d71c | 1647 | ret = write_error(lock->filename); |
93c1e079 JH |
1648 | goto out_free; |
1649 | ||
10bea152 JS |
1650 | } |
1651 | ||
5ec31182 RR |
1652 | int git_config_set_multivar(const char *key, const char *value, |
1653 | const char *value_regex, int multi_replace) | |
1654 | { | |
4a7bb5ba | 1655 | return git_config_set_multivar_in_file(NULL, key, value, value_regex, |
0a5f5759 | 1656 | multi_replace); |
5ec31182 RR |
1657 | } |
1658 | ||
118f8b24 PB |
1659 | static int section_name_match (const char *buf, const char *name) |
1660 | { | |
1661 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
1662 | if (buf[i] != '[') |
1663 | return 0; | |
1664 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
1665 | if (!dot && isspace(buf[i])) { |
1666 | dot = 1; | |
1667 | if (name[j++] != '.') | |
1668 | break; | |
1669 | for (i++; isspace(buf[i]); i++) | |
1670 | ; /* do nothing */ | |
1671 | if (buf[i] != '"') | |
1672 | break; | |
1673 | continue; | |
1674 | } | |
1675 | if (buf[i] == '\\' && dot) | |
1676 | i++; | |
1677 | else if (buf[i] == '"' && dot) { | |
1678 | for (i++; isspace(buf[i]); i++) | |
1679 | ; /* do_nothing */ | |
1680 | break; | |
1681 | } | |
1682 | if (buf[i] != name[j++]) | |
1683 | break; | |
1684 | } | |
a4c0d463 AV |
1685 | if (buf[i] == ']' && name[j] == 0) { |
1686 | /* | |
1687 | * We match, now just find the right length offset by | |
1688 | * gobbling up any whitespace after it, as well | |
1689 | */ | |
1690 | i++; | |
1691 | for (; buf[i] && isspace(buf[i]); i++) | |
1692 | ; /* do nothing */ | |
1693 | return i; | |
1694 | } | |
1695 | return 0; | |
118f8b24 PB |
1696 | } |
1697 | ||
94a35b1a JK |
1698 | static int section_name_is_ok(const char *name) |
1699 | { | |
1700 | /* Empty section names are bogus. */ | |
1701 | if (!*name) | |
1702 | return 0; | |
1703 | ||
1704 | /* | |
1705 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
1706 | * anything goes, so we can stop checking. | |
1707 | */ | |
1708 | for (; *name && *name != '.'; name++) | |
1709 | if (*name != '-' && !isalnum(*name)) | |
1710 | return 0; | |
1711 | return 1; | |
1712 | } | |
1713 | ||
118f8b24 | 1714 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
1715 | int git_config_rename_section_in_file(const char *config_filename, |
1716 | const char *old_name, const char *new_name) | |
0667fcfb | 1717 | { |
118f8b24 | 1718 | int ret = 0, remove = 0; |
42bd39b5 | 1719 | char *filename_buf = NULL; |
94a35b1a | 1720 | struct lock_file *lock; |
0667fcfb JS |
1721 | int out_fd; |
1722 | char buf[1024]; | |
924aaf3e | 1723 | FILE *config_file; |
0667fcfb | 1724 | |
94a35b1a JK |
1725 | if (new_name && !section_name_is_ok(new_name)) { |
1726 | ret = error("invalid section name: %s", new_name); | |
1727 | goto out; | |
1728 | } | |
1729 | ||
42bd39b5 JK |
1730 | if (!config_filename) |
1731 | config_filename = filename_buf = git_pathdup("config"); | |
1732 | ||
94a35b1a | 1733 | lock = xcalloc(sizeof(struct lock_file), 1); |
0667fcfb | 1734 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 1735 | if (out_fd < 0) { |
64c0d71c | 1736 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
1737 | goto out; |
1738 | } | |
0667fcfb | 1739 | |
fc1905bb | 1740 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc GB |
1741 | /* no config file means nothing to rename, no error */ |
1742 | goto unlock_and_out; | |
fc1905bb | 1743 | } |
0667fcfb JS |
1744 | |
1745 | while (fgets(buf, sizeof(buf), config_file)) { | |
1746 | int i; | |
480c9e52 | 1747 | int length; |
9a5abfc7 | 1748 | char *output = buf; |
0667fcfb JS |
1749 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
1750 | ; /* do nothing */ | |
1751 | if (buf[i] == '[') { | |
1752 | /* it's a section */ | |
a4c0d463 AV |
1753 | int offset = section_name_match(&buf[i], old_name); |
1754 | if (offset > 0) { | |
118f8b24 PB |
1755 | ret++; |
1756 | if (new_name == NULL) { | |
1757 | remove = 1; | |
0667fcfb JS |
1758 | continue; |
1759 | } | |
0667fcfb | 1760 | store.baselen = strlen(new_name); |
480c9e52 | 1761 | if (!store_write_section(out_fd, new_name)) { |
64c0d71c | 1762 | ret = write_error(lock->filename); |
480c9e52 AW |
1763 | goto out; |
1764 | } | |
9a5abfc7 AV |
1765 | /* |
1766 | * We wrote out the new section, with | |
1767 | * a newline, now skip the old | |
1768 | * section's length | |
1769 | */ | |
1770 | output += offset + i; | |
1771 | if (strlen(output) > 0) { | |
1772 | /* | |
1773 | * More content means there's | |
1774 | * a declaration to put on the | |
1775 | * next line; indent with a | |
1776 | * tab | |
1777 | */ | |
1778 | output -= 1; | |
1779 | output[0] = '\t'; | |
1780 | } | |
0667fcfb | 1781 | } |
118f8b24 | 1782 | remove = 0; |
0667fcfb | 1783 | } |
118f8b24 PB |
1784 | if (remove) |
1785 | continue; | |
9a5abfc7 AV |
1786 | length = strlen(output); |
1787 | if (write_in_full(out_fd, output, length) != length) { | |
64c0d71c | 1788 | ret = write_error(lock->filename); |
480c9e52 AW |
1789 | goto out; |
1790 | } | |
0667fcfb | 1791 | } |
fc1905bb | 1792 | fclose(config_file); |
8b590075 | 1793 | unlock_and_out: |
4ed7cd3a | 1794 | if (commit_lock_file(lock) < 0) |
64c0d71c | 1795 | ret = error("could not commit config file %s", config_filename); |
8b590075 | 1796 | out: |
42bd39b5 | 1797 | free(filename_buf); |
0667fcfb JS |
1798 | return ret; |
1799 | } | |
40ea4ed9 | 1800 | |
42bd39b5 JK |
1801 | int git_config_rename_section(const char *old_name, const char *new_name) |
1802 | { | |
4a7bb5ba | 1803 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
1804 | } |
1805 | ||
40ea4ed9 JH |
1806 | /* |
1807 | * Call this to report error for your variable that should not | |
1808 | * get a boolean value (i.e. "[my] var" means "true"). | |
1809 | */ | |
a469a101 | 1810 | #undef config_error_nonbool |
40ea4ed9 JH |
1811 | int config_error_nonbool(const char *var) |
1812 | { | |
1813 | return error("Missing value for '%s'", var); | |
1814 | } | |
1b86bbb0 JK |
1815 | |
1816 | int parse_config_key(const char *var, | |
1817 | const char *section, | |
1818 | const char **subsection, int *subsection_len, | |
1819 | const char **key) | |
1820 | { | |
1821 | int section_len = strlen(section); | |
1822 | const char *dot; | |
1823 | ||
1824 | /* Does it start with "section." ? */ | |
1825 | if (prefixcmp(var, section) || var[section_len] != '.') | |
1826 | return -1; | |
1827 | ||
1828 | /* | |
1829 | * Find the key; we don't know yet if we have a subsection, but we must | |
1830 | * parse backwards from the end, since the subsection may have dots in | |
1831 | * it, too. | |
1832 | */ | |
1833 | dot = strrchr(var, '.'); | |
1834 | *key = dot + 1; | |
1835 | ||
1836 | /* Did we have a subsection at all? */ | |
1837 | if (dot == var + section_len) { | |
1838 | *subsection = NULL; | |
1839 | *subsection_len = 0; | |
1840 | } | |
1841 | else { | |
1842 | *subsection = var + section_len + 1; | |
1843 | *subsection_len = dot - *subsection; | |
1844 | } | |
1845 | ||
1846 | return 0; | |
1847 | } |