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Commit | Line | Data |
---|---|---|
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 LT |
12 | |
13 | #define MAXNAME (256) | |
14 | ||
924aaf3e RJ |
15 | typedef struct config_file { |
16 | struct config_file *prev; | |
17 | FILE *f; | |
18 | const char *name; | |
19 | int linenr; | |
20 | int eof; | |
21 | struct strbuf value; | |
22 | char var[MAXNAME]; | |
23 | } config_file; | |
24 | ||
25 | static config_file *cf; | |
26 | ||
960ccca6 DH |
27 | static int zlib_compression_seen; |
28 | ||
9b25a0b5 JK |
29 | #define MAX_INCLUDE_DEPTH 10 |
30 | static const char include_depth_advice[] = | |
31 | "exceeded maximum include depth (%d) while including\n" | |
32 | " %s\n" | |
33 | "from\n" | |
34 | " %s\n" | |
35 | "Do you have circular includes?"; | |
36 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
37 | { | |
38 | int ret = 0; | |
39 | struct strbuf buf = STRBUF_INIT; | |
40 | ||
41 | /* | |
42 | * Use an absolute path as-is, but interpret relative paths | |
43 | * based on the including config file. | |
44 | */ | |
45 | if (!is_absolute_path(path)) { | |
46 | char *slash; | |
47 | ||
48 | if (!cf || !cf->name) | |
49 | return error("relative config includes must come from files"); | |
50 | ||
51 | slash = find_last_dir_sep(cf->name); | |
52 | if (slash) | |
53 | strbuf_add(&buf, cf->name, slash - cf->name + 1); | |
54 | strbuf_addstr(&buf, path); | |
55 | path = buf.buf; | |
56 | } | |
57 | ||
58 | if (!access(path, R_OK)) { | |
59 | if (++inc->depth > MAX_INCLUDE_DEPTH) | |
60 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
61 | cf && cf->name ? cf->name : "the command line"); | |
62 | ret = git_config_from_file(git_config_include, path, inc); | |
63 | inc->depth--; | |
64 | } | |
65 | strbuf_release(&buf); | |
66 | return ret; | |
67 | } | |
68 | ||
69 | int git_config_include(const char *var, const char *value, void *data) | |
70 | { | |
71 | struct config_include_data *inc = data; | |
72 | const char *type; | |
73 | int ret; | |
74 | ||
75 | /* | |
76 | * Pass along all values, including "include" directives; this makes it | |
77 | * possible to query information on the includes themselves. | |
78 | */ | |
79 | ret = inc->fn(var, value, inc->data); | |
80 | if (ret < 0) | |
81 | return ret; | |
82 | ||
83 | type = skip_prefix(var, "include."); | |
84 | if (!type) | |
85 | return ret; | |
86 | ||
87 | if (!strcmp(type, "path")) | |
88 | ret = handle_path_include(value, inc); | |
89 | return ret; | |
90 | } | |
91 | ||
8b1fa778 AR |
92 | static void lowercase(char *p) |
93 | { | |
94 | for (; *p; p++) | |
95 | *p = tolower(*p); | |
96 | } | |
8b1fa778 | 97 | |
2b64fc89 JK |
98 | void git_config_push_parameter(const char *text) |
99 | { | |
100 | struct strbuf env = STRBUF_INIT; | |
101 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
102 | if (old) { | |
103 | strbuf_addstr(&env, old); | |
104 | strbuf_addch(&env, ' '); | |
105 | } | |
106 | sq_quote_buf(&env, text); | |
107 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
108 | strbuf_release(&env); | |
109 | } | |
110 | ||
2496844b JK |
111 | int git_config_parse_parameter(const char *text, |
112 | config_fn_t fn, void *data) | |
8b1fa778 | 113 | { |
572e4f6a | 114 | struct strbuf **pair; |
f77bccae | 115 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
116 | if (!pair[0]) |
117 | return error("bogus config parameter: %s", text); | |
572e4f6a AR |
118 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') |
119 | strbuf_setlen(pair[0], pair[0]->len - 1); | |
120 | strbuf_trim(pair[0]); | |
121 | if (!pair[0]->len) { | |
122 | strbuf_list_free(pair); | |
06eb708f | 123 | return error("bogus config parameter: %s", text); |
8b1fa778 | 124 | } |
06eb708f JK |
125 | lowercase(pair[0]->buf); |
126 | if (fn(pair[0]->buf, pair[1] ? pair[1]->buf : NULL, data) < 0) { | |
127 | strbuf_list_free(pair); | |
128 | return -1; | |
572e4f6a AR |
129 | } |
130 | strbuf_list_free(pair); | |
8b1fa778 AR |
131 | return 0; |
132 | } | |
133 | ||
06eb708f JK |
134 | int git_config_from_parameters(config_fn_t fn, void *data) |
135 | { | |
2b64fc89 JK |
136 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
137 | char *envw; | |
138 | const char **argv = NULL; | |
139 | int nr = 0, alloc = 0; | |
140 | int i; | |
141 | ||
142 | if (!env) | |
143 | return 0; | |
144 | /* sq_dequote will write over it */ | |
145 | envw = xstrdup(env); | |
146 | ||
147 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
148 | free(envw); | |
149 | return error("bogus format in " CONFIG_DATA_ENVIRONMENT); | |
150 | } | |
151 | ||
152 | for (i = 0; i < nr; i++) { | |
06eb708f | 153 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
2b64fc89 JK |
154 | free(argv); |
155 | free(envw); | |
156 | return -1; | |
157 | } | |
158 | } | |
159 | ||
160 | free(argv); | |
161 | free(envw); | |
06eb708f | 162 | return nr > 0; |
2b64fc89 JK |
163 | } |
164 | ||
17712991 LT |
165 | static int get_next_char(void) |
166 | { | |
167 | int c; | |
168 | FILE *f; | |
169 | ||
170 | c = '\n'; | |
924aaf3e | 171 | if (cf && ((f = cf->f) != NULL)) { |
17712991 | 172 | c = fgetc(f); |
db2c075d JH |
173 | if (c == '\r') { |
174 | /* DOS like systems */ | |
175 | c = fgetc(f); | |
176 | if (c != '\n') { | |
177 | ungetc(c, f); | |
178 | c = '\r'; | |
179 | } | |
180 | } | |
17712991 | 181 | if (c == '\n') |
924aaf3e | 182 | cf->linenr++; |
17712991 | 183 | if (c == EOF) { |
924aaf3e | 184 | cf->eof = 1; |
17712991 LT |
185 | c = '\n'; |
186 | } | |
187 | } | |
188 | return c; | |
189 | } | |
190 | ||
191 | static char *parse_value(void) | |
192 | { | |
e96c19c5 | 193 | int quote = 0, comment = 0, space = 0; |
17712991 | 194 | |
924aaf3e | 195 | strbuf_reset(&cf->value); |
17712991 LT |
196 | for (;;) { |
197 | int c = get_next_char(); | |
17712991 LT |
198 | if (c == '\n') { |
199 | if (quote) | |
200 | return NULL; | |
924aaf3e | 201 | return cf->value.buf; |
17712991 LT |
202 | } |
203 | if (comment) | |
204 | continue; | |
205 | if (isspace(c) && !quote) { | |
924aaf3e | 206 | if (cf->value.len) |
ebdaae37 | 207 | space++; |
17712991 LT |
208 | continue; |
209 | } | |
7ebdba61 JS |
210 | if (!quote) { |
211 | if (c == ';' || c == '#') { | |
212 | comment = 1; | |
213 | continue; | |
214 | } | |
215 | } | |
ebdaae37 | 216 | for (; space; space--) |
924aaf3e | 217 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
218 | if (c == '\\') { |
219 | c = get_next_char(); | |
220 | switch (c) { | |
221 | case '\n': | |
222 | continue; | |
223 | case 't': | |
224 | c = '\t'; | |
225 | break; | |
226 | case 'b': | |
227 | c = '\b'; | |
228 | break; | |
229 | case 'n': | |
230 | c = '\n'; | |
231 | break; | |
5cbb401d LT |
232 | /* Some characters escape as themselves */ |
233 | case '\\': case '"': | |
234 | break; | |
235 | /* Reject unknown escape sequences */ | |
236 | default: | |
237 | return NULL; | |
17712991 | 238 | } |
924aaf3e | 239 | strbuf_addch(&cf->value, c); |
17712991 LT |
240 | continue; |
241 | } | |
242 | if (c == '"') { | |
243 | quote = 1-quote; | |
244 | continue; | |
245 | } | |
924aaf3e | 246 | strbuf_addch(&cf->value, c); |
17712991 LT |
247 | } |
248 | } | |
249 | ||
38c5afa8 LT |
250 | static inline int iskeychar(int c) |
251 | { | |
252 | return isalnum(c) || c == '-'; | |
253 | } | |
254 | ||
ef90d6d4 | 255 | static int get_value(config_fn_t fn, void *data, char *name, unsigned int len) |
17712991 LT |
256 | { |
257 | int c; | |
258 | char *value; | |
259 | ||
260 | /* Get the full name */ | |
261 | for (;;) { | |
262 | c = get_next_char(); | |
924aaf3e | 263 | if (cf->eof) |
17712991 | 264 | break; |
38c5afa8 | 265 | if (!iskeychar(c)) |
17712991 LT |
266 | break; |
267 | name[len++] = tolower(c); | |
268 | if (len >= MAXNAME) | |
269 | return -1; | |
270 | } | |
271 | name[len] = 0; | |
272 | while (c == ' ' || c == '\t') | |
273 | c = get_next_char(); | |
274 | ||
275 | value = NULL; | |
276 | if (c != '\n') { | |
277 | if (c != '=') | |
278 | return -1; | |
279 | value = parse_value(); | |
280 | if (!value) | |
281 | return -1; | |
282 | } | |
ef90d6d4 | 283 | return fn(name, value, data); |
17712991 LT |
284 | } |
285 | ||
d14f7764 LT |
286 | static int get_extended_base_var(char *name, int baselen, int c) |
287 | { | |
288 | do { | |
289 | if (c == '\n') | |
290 | return -1; | |
291 | c = get_next_char(); | |
292 | } while (isspace(c)); | |
293 | ||
294 | /* We require the format to be '[base "extension"]' */ | |
295 | if (c != '"') | |
296 | return -1; | |
297 | name[baselen++] = '.'; | |
298 | ||
299 | for (;;) { | |
300 | int c = get_next_char(); | |
301 | if (c == '\n') | |
302 | return -1; | |
303 | if (c == '"') | |
304 | break; | |
305 | if (c == '\\') { | |
306 | c = get_next_char(); | |
307 | if (c == '\n') | |
308 | return -1; | |
309 | } | |
310 | name[baselen++] = c; | |
311 | if (baselen > MAXNAME / 2) | |
312 | return -1; | |
313 | } | |
314 | ||
315 | /* Final ']' */ | |
316 | if (get_next_char() != ']') | |
317 | return -1; | |
318 | return baselen; | |
319 | } | |
320 | ||
17712991 LT |
321 | static int get_base_var(char *name) |
322 | { | |
323 | int baselen = 0; | |
324 | ||
325 | for (;;) { | |
326 | int c = get_next_char(); | |
924aaf3e | 327 | if (cf->eof) |
17712991 LT |
328 | return -1; |
329 | if (c == ']') | |
330 | return baselen; | |
d14f7764 LT |
331 | if (isspace(c)) |
332 | return get_extended_base_var(name, baselen, c); | |
38c5afa8 | 333 | if (!iskeychar(c) && c != '.') |
17712991 LT |
334 | return -1; |
335 | if (baselen > MAXNAME / 2) | |
336 | return -1; | |
337 | name[baselen++] = tolower(c); | |
338 | } | |
339 | } | |
340 | ||
ef90d6d4 | 341 | static int git_parse_file(config_fn_t fn, void *data) |
17712991 LT |
342 | { |
343 | int comment = 0; | |
344 | int baselen = 0; | |
924aaf3e | 345 | char *var = cf->var; |
17712991 | 346 | |
de056402 PB |
347 | /* U+FEFF Byte Order Mark in UTF8 */ |
348 | static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf"; | |
349 | const unsigned char *bomptr = utf8_bom; | |
350 | ||
17712991 LT |
351 | for (;;) { |
352 | int c = get_next_char(); | |
de056402 PB |
353 | if (bomptr && *bomptr) { |
354 | /* We are at the file beginning; skip UTF8-encoded BOM | |
355 | * if present. Sane editors won't put this in on their | |
356 | * own, but e.g. Windows Notepad will do it happily. */ | |
357 | if ((unsigned char) c == *bomptr) { | |
358 | bomptr++; | |
359 | continue; | |
360 | } else { | |
361 | /* Do not tolerate partial BOM. */ | |
362 | if (bomptr != utf8_bom) | |
363 | break; | |
364 | /* No BOM at file beginning. Cool. */ | |
365 | bomptr = NULL; | |
366 | } | |
367 | } | |
17712991 | 368 | if (c == '\n') { |
924aaf3e | 369 | if (cf->eof) |
17712991 LT |
370 | return 0; |
371 | comment = 0; | |
372 | continue; | |
373 | } | |
374 | if (comment || isspace(c)) | |
375 | continue; | |
376 | if (c == '#' || c == ';') { | |
377 | comment = 1; | |
378 | continue; | |
379 | } | |
380 | if (c == '[') { | |
381 | baselen = get_base_var(var); | |
382 | if (baselen <= 0) | |
383 | break; | |
384 | var[baselen++] = '.'; | |
385 | var[baselen] = 0; | |
386 | continue; | |
387 | } | |
388 | if (!isalpha(c)) | |
389 | break; | |
128af9d1 | 390 | var[baselen] = tolower(c); |
ef90d6d4 | 391 | if (get_value(fn, data, var, baselen+1) < 0) |
17712991 LT |
392 | break; |
393 | } | |
924aaf3e | 394 | die("bad config file line %d in %s", cf->linenr, cf->name); |
17712991 LT |
395 | } |
396 | ||
ebaa1bd4 | 397 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
398 | { |
399 | if (!*end) | |
400 | return 1; | |
c8deb5a1 SP |
401 | else if (!strcasecmp(end, "k")) { |
402 | *val *= 1024; | |
403 | return 1; | |
404 | } | |
405 | else if (!strcasecmp(end, "m")) { | |
406 | *val *= 1024 * 1024; | |
407 | return 1; | |
408 | } | |
409 | else if (!strcasecmp(end, "g")) { | |
410 | *val *= 1024 * 1024 * 1024; | |
411 | return 1; | |
412 | } | |
413 | return 0; | |
0b87b6e0 BD |
414 | } |
415 | ||
0433bcd9 | 416 | static int git_parse_long(const char *value, long *ret) |
0b87b6e0 BD |
417 | { |
418 | if (value && *value) { | |
419 | char *end; | |
ebaa1bd4 NA |
420 | intmax_t val; |
421 | uintmax_t uval; | |
422 | uintmax_t factor = 1; | |
423 | ||
424 | errno = 0; | |
425 | val = strtoimax(value, &end, 0); | |
426 | if (errno == ERANGE) | |
427 | return 0; | |
c8deb5a1 SP |
428 | if (!parse_unit_factor(end, &factor)) |
429 | return 0; | |
ebaa1bd4 NA |
430 | uval = abs(val); |
431 | uval *= factor; | |
432 | if ((uval > maximum_signed_value_of_type(long)) || | |
433 | (abs(val) > uval)) | |
434 | return 0; | |
435 | val *= factor; | |
436 | *ret = val; | |
0b87b6e0 BD |
437 | return 1; |
438 | } | |
439 | return 0; | |
440 | } | |
441 | ||
442 | int git_parse_ulong(const char *value, unsigned long *ret) | |
17712991 LT |
443 | { |
444 | if (value && *value) { | |
445 | char *end; | |
ebaa1bd4 NA |
446 | uintmax_t val; |
447 | uintmax_t oldval; | |
448 | ||
449 | errno = 0; | |
450 | val = strtoumax(value, &end, 0); | |
451 | if (errno == ERANGE) | |
452 | return 0; | |
453 | oldval = val; | |
c8deb5a1 SP |
454 | if (!parse_unit_factor(end, &val)) |
455 | return 0; | |
ebaa1bd4 NA |
456 | if ((val > maximum_unsigned_value_of_type(long)) || |
457 | (oldval > val)) | |
458 | return 0; | |
c8deb5a1 | 459 | *ret = val; |
0b87b6e0 | 460 | return 1; |
17712991 | 461 | } |
0b87b6e0 BD |
462 | return 0; |
463 | } | |
464 | ||
c1867cea JK |
465 | static void die_bad_config(const char *name) |
466 | { | |
924aaf3e RJ |
467 | if (cf && cf->name) |
468 | die("bad config value for '%s' in %s", name, cf->name); | |
c1867cea JK |
469 | die("bad config value for '%s'", name); |
470 | } | |
471 | ||
0b87b6e0 BD |
472 | int git_config_int(const char *name, const char *value) |
473 | { | |
0433bcd9 | 474 | long ret = 0; |
0b87b6e0 | 475 | if (!git_parse_long(value, &ret)) |
c1867cea | 476 | die_bad_config(name); |
0b87b6e0 BD |
477 | return ret; |
478 | } | |
479 | ||
480 | unsigned long git_config_ulong(const char *name, const char *value) | |
481 | { | |
482 | unsigned long ret; | |
483 | if (!git_parse_ulong(value, &ret)) | |
c1867cea | 484 | die_bad_config(name); |
0b87b6e0 | 485 | return ret; |
17712991 LT |
486 | } |
487 | ||
b2be2f6a | 488 | static int git_config_maybe_bool_text(const char *name, const char *value) |
17712991 LT |
489 | { |
490 | if (!value) | |
491 | return 1; | |
492 | if (!*value) | |
493 | return 0; | |
8420ccd8 JH |
494 | if (!strcasecmp(value, "true") |
495 | || !strcasecmp(value, "yes") | |
496 | || !strcasecmp(value, "on")) | |
17712991 | 497 | return 1; |
8420ccd8 JH |
498 | if (!strcasecmp(value, "false") |
499 | || !strcasecmp(value, "no") | |
500 | || !strcasecmp(value, "off")) | |
17712991 | 501 | return 0; |
8420ccd8 JH |
502 | return -1; |
503 | } | |
504 | ||
b2be2f6a JK |
505 | int git_config_maybe_bool(const char *name, const char *value) |
506 | { | |
db6195ef | 507 | long v = git_config_maybe_bool_text(name, value); |
b2be2f6a JK |
508 | if (0 <= v) |
509 | return v; | |
db6195ef JK |
510 | if (git_parse_long(value, &v)) |
511 | return !!v; | |
b2be2f6a JK |
512 | return -1; |
513 | } | |
514 | ||
8420ccd8 JH |
515 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
516 | { | |
b2be2f6a | 517 | int v = git_config_maybe_bool_text(name, value); |
8420ccd8 JH |
518 | if (0 <= v) { |
519 | *is_bool = 1; | |
520 | return v; | |
521 | } | |
a53f2ec6 | 522 | *is_bool = 0; |
c35b0b58 | 523 | return git_config_int(name, value); |
17712991 LT |
524 | } |
525 | ||
a53f2ec6 JH |
526 | int git_config_bool(const char *name, const char *value) |
527 | { | |
528 | int discard; | |
c35b0b58 | 529 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
530 | } |
531 | ||
ea5105a5 CC |
532 | int git_config_string(const char **dest, const char *var, const char *value) |
533 | { | |
534 | if (!value) | |
535 | return config_error_nonbool(var); | |
536 | *dest = xstrdup(value); | |
537 | return 0; | |
538 | } | |
539 | ||
395de250 MM |
540 | int git_config_pathname(const char **dest, const char *var, const char *value) |
541 | { | |
542 | if (!value) | |
543 | return config_error_nonbool(var); | |
544 | *dest = expand_user_path(value); | |
545 | if (!*dest) | |
546 | die("Failed to expand user dir in: '%s'", value); | |
547 | return 0; | |
548 | } | |
549 | ||
806e2ad7 | 550 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
551 | { |
552 | /* This needs a better name */ | |
553 | if (!strcmp(var, "core.filemode")) { | |
554 | trust_executable_bit = git_config_bool(var, value); | |
555 | return 0; | |
556 | } | |
1ce4790b AR |
557 | if (!strcmp(var, "core.trustctime")) { |
558 | trust_ctime = git_config_bool(var, value); | |
559 | return 0; | |
560 | } | |
17712991 | 561 | |
9378c161 JH |
562 | if (!strcmp(var, "core.quotepath")) { |
563 | quote_path_fully = git_config_bool(var, value); | |
564 | return 0; | |
565 | } | |
566 | ||
78a8d641 JS |
567 | if (!strcmp(var, "core.symlinks")) { |
568 | has_symlinks = git_config_bool(var, value); | |
569 | return 0; | |
570 | } | |
571 | ||
0a9b88b7 LT |
572 | if (!strcmp(var, "core.ignorecase")) { |
573 | ignore_case = git_config_bool(var, value); | |
574 | return 0; | |
575 | } | |
576 | ||
64589a03 JH |
577 | if (!strcmp(var, "core.attributesfile")) |
578 | return git_config_pathname(&git_attributes_file, var, value); | |
579 | ||
7d1864ce JH |
580 | if (!strcmp(var, "core.bare")) { |
581 | is_bare_repository_cfg = git_config_bool(var, value); | |
582 | return 0; | |
583 | } | |
584 | ||
5f73076c JH |
585 | if (!strcmp(var, "core.ignorestat")) { |
586 | assume_unchanged = git_config_bool(var, value); | |
587 | return 0; | |
588 | } | |
589 | ||
e388c738 JH |
590 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
591 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
592 | return 0; |
593 | } | |
594 | ||
6de08ae6 SP |
595 | if (!strcmp(var, "core.logallrefupdates")) { |
596 | log_all_ref_updates = git_config_bool(var, value); | |
597 | return 0; | |
598 | } | |
599 | ||
2f8acdb3 JH |
600 | if (!strcmp(var, "core.warnambiguousrefs")) { |
601 | warn_ambiguous_refs = git_config_bool(var, value); | |
602 | return 0; | |
603 | } | |
604 | ||
a71f09fe | 605 | if (!strcmp(var, "core.abbrev")) { |
dce96489 LT |
606 | int abbrev = git_config_int(var, value); |
607 | if (abbrev < minimum_abbrev || abbrev > 40) | |
608 | return -1; | |
609 | default_abbrev = abbrev; | |
610 | return 0; | |
611 | } | |
612 | ||
960ccca6 | 613 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
614 | int level = git_config_int(var, value); |
615 | if (level == -1) | |
616 | level = Z_DEFAULT_COMPRESSION; | |
617 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
618 | die("bad zlib compression level %d", level); | |
619 | zlib_compression_level = level; | |
960ccca6 DH |
620 | zlib_compression_seen = 1; |
621 | return 0; | |
622 | } | |
623 | ||
624 | if (!strcmp(var, "core.compression")) { | |
625 | int level = git_config_int(var, value); | |
626 | if (level == -1) | |
627 | level = Z_DEFAULT_COMPRESSION; | |
628 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
629 | die("bad zlib compression level %d", level); | |
630 | core_compression_level = level; | |
631 | core_compression_seen = 1; | |
632 | if (!zlib_compression_seen) | |
633 | zlib_compression_level = level; | |
12f6c308 JBH |
634 | return 0; |
635 | } | |
636 | ||
60bb8b14 | 637 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 638 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 639 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
640 | |
641 | /* This value must be multiple of (pagesize * 2) */ | |
642 | packed_git_window_size /= pgsz_x2; | |
643 | if (packed_git_window_size < 1) | |
644 | packed_git_window_size = 1; | |
645 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
646 | return 0; |
647 | } | |
648 | ||
15366280 | 649 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 650 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
651 | return 0; |
652 | } | |
653 | ||
77ccc5bb | 654 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 655 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
656 | return 0; |
657 | } | |
658 | ||
18bdec11 | 659 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 660 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
661 | return 0; |
662 | } | |
663 | ||
5f44324d JH |
664 | if (!strcmp(var, "core.logpackaccess")) |
665 | return git_config_string(&log_pack_access, var, value); | |
666 | ||
6c510bee | 667 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 668 | if (value && !strcasecmp(value, "input")) { |
ec70f52f | 669 | if (core_eol == EOL_CRLF) |
942e7747 | 670 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
fd6cce9e | 671 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
672 | return 0; |
673 | } | |
6c510bee LT |
674 | auto_crlf = git_config_bool(var, value); |
675 | return 0; | |
676 | } | |
677 | ||
21e5ad50 SP |
678 | if (!strcmp(var, "core.safecrlf")) { |
679 | if (value && !strcasecmp(value, "warn")) { | |
680 | safe_crlf = SAFE_CRLF_WARN; | |
681 | return 0; | |
682 | } | |
683 | safe_crlf = git_config_bool(var, value); | |
684 | return 0; | |
685 | } | |
686 | ||
942e7747 EB |
687 | if (!strcmp(var, "core.eol")) { |
688 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 689 | core_eol = EOL_LF; |
942e7747 | 690 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 691 | core_eol = EOL_CRLF; |
942e7747 | 692 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 693 | core_eol = EOL_NATIVE; |
942e7747 | 694 | else |
ec70f52f JH |
695 | core_eol = EOL_UNSET; |
696 | if (core_eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT) | |
942e7747 EB |
697 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
698 | return 0; | |
699 | } | |
700 | ||
a97a7468 JS |
701 | if (!strcmp(var, "core.notesref")) { |
702 | notes_ref_name = xstrdup(value); | |
703 | return 0; | |
704 | } | |
705 | ||
806e2ad7 LT |
706 | if (!strcmp(var, "core.pager")) |
707 | return git_config_string(&pager_program, var, value); | |
708 | ||
709 | if (!strcmp(var, "core.editor")) | |
710 | return git_config_string(&editor_program, var, value); | |
711 | ||
d3e7da89 AK |
712 | if (!strcmp(var, "core.askpass")) |
713 | return git_config_string(&askpass_program, var, value); | |
714 | ||
806e2ad7 | 715 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 716 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
717 | |
718 | if (!strcmp(var, "core.whitespace")) { | |
719 | if (!value) | |
720 | return config_error_nonbool(var); | |
721 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
722 | return 0; | |
723 | } | |
724 | ||
aafe9fba LT |
725 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
726 | fsync_object_files = git_config_bool(var, value); | |
727 | return 0; | |
728 | } | |
729 | ||
671c9b7e LT |
730 | if (!strcmp(var, "core.preloadindex")) { |
731 | core_preload_index = git_config_bool(var, value); | |
732 | return 0; | |
733 | } | |
734 | ||
348df166 JS |
735 | if (!strcmp(var, "core.createobject")) { |
736 | if (!strcmp(value, "rename")) | |
737 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
738 | else if (!strcmp(value, "link")) | |
739 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
740 | else | |
741 | die("Invalid mode for object creation: %s", value); | |
be66a6c4 JS |
742 | return 0; |
743 | } | |
744 | ||
08aefc9e NTND |
745 | if (!strcmp(var, "core.sparsecheckout")) { |
746 | core_apply_sparse_checkout = git_config_bool(var, value); | |
747 | return 0; | |
748 | } | |
749 | ||
806e2ad7 LT |
750 | /* Add other config variables here and to Documentation/config.txt. */ |
751 | return 0; | |
752 | } | |
753 | ||
d1364529 | 754 | static int git_default_user_config(const char *var, const char *value) |
806e2ad7 | 755 | { |
e1b10391 | 756 | if (!strcmp(var, "user.name")) { |
6c47d0e8 JH |
757 | if (!value) |
758 | return config_error_nonbool(var); | |
817151e6 | 759 | strlcpy(git_default_name, value, sizeof(git_default_name)); |
91c38a21 | 760 | user_ident_explicitly_given |= IDENT_NAME_GIVEN; |
e1b10391 LT |
761 | return 0; |
762 | } | |
763 | ||
764 | if (!strcmp(var, "user.email")) { | |
6c47d0e8 JH |
765 | if (!value) |
766 | return config_error_nonbool(var); | |
817151e6 | 767 | strlcpy(git_default_email, value, sizeof(git_default_email)); |
91c38a21 | 768 | user_ident_explicitly_given |= IDENT_MAIL_GIVEN; |
e1b10391 LT |
769 | return 0; |
770 | } | |
771 | ||
d1364529 LT |
772 | /* Add other config variables here and to Documentation/config.txt. */ |
773 | return 0; | |
774 | } | |
775 | ||
1141f492 | 776 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 777 | { |
ea5105a5 CC |
778 | if (!strcmp(var, "i18n.commitencoding")) |
779 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 780 | |
ea5105a5 CC |
781 | if (!strcmp(var, "i18n.logoutputencoding")) |
782 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 783 | |
1141f492 LT |
784 | /* Add other config variables here and to Documentation/config.txt. */ |
785 | return 0; | |
786 | } | |
039bc64e | 787 | |
1141f492 LT |
788 | static int git_default_branch_config(const char *var, const char *value) |
789 | { | |
9ed36cfa JS |
790 | if (!strcmp(var, "branch.autosetupmerge")) { |
791 | if (value && !strcasecmp(value, "always")) { | |
792 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
793 | return 0; | |
794 | } | |
795 | git_branch_track = git_config_bool(var, value); | |
796 | return 0; | |
797 | } | |
c998ae9b DS |
798 | if (!strcmp(var, "branch.autosetuprebase")) { |
799 | if (!value) | |
800 | return config_error_nonbool(var); | |
801 | else if (!strcmp(value, "never")) | |
802 | autorebase = AUTOREBASE_NEVER; | |
803 | else if (!strcmp(value, "local")) | |
804 | autorebase = AUTOREBASE_LOCAL; | |
805 | else if (!strcmp(value, "remote")) | |
806 | autorebase = AUTOREBASE_REMOTE; | |
807 | else if (!strcmp(value, "always")) | |
808 | autorebase = AUTOREBASE_ALWAYS; | |
809 | else | |
810 | return error("Malformed value for %s", var); | |
811 | return 0; | |
812 | } | |
a9cc857a | 813 | |
1ab661dd | 814 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
815 | return 0; |
816 | } | |
817 | ||
52153747 FAG |
818 | static int git_default_push_config(const char *var, const char *value) |
819 | { | |
820 | if (!strcmp(var, "push.default")) { | |
821 | if (!value) | |
822 | return config_error_nonbool(var); | |
823 | else if (!strcmp(value, "nothing")) | |
824 | push_default = PUSH_DEFAULT_NOTHING; | |
825 | else if (!strcmp(value, "matching")) | |
826 | push_default = PUSH_DEFAULT_MATCHING; | |
53c40311 JH |
827 | else if (!strcmp(value, "upstream")) |
828 | push_default = PUSH_DEFAULT_UPSTREAM; | |
829 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
830 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
831 | else if (!strcmp(value, "current")) |
832 | push_default = PUSH_DEFAULT_CURRENT; | |
833 | else { | |
834 | error("Malformed value for %s: %s", var, value); | |
835 | return error("Must be one of nothing, matching, " | |
836 | "tracking or current."); | |
837 | } | |
838 | return 0; | |
839 | } | |
840 | ||
841 | /* Add other config variables here and to Documentation/config.txt. */ | |
842 | return 0; | |
843 | } | |
844 | ||
d551a488 MSO |
845 | static int git_default_mailmap_config(const char *var, const char *value) |
846 | { | |
847 | if (!strcmp(var, "mailmap.file")) | |
848 | return git_config_string(&git_mailmap_file, var, value); | |
849 | ||
850 | /* Add other config variables here and to Documentation/config.txt. */ | |
851 | return 0; | |
852 | } | |
853 | ||
1141f492 LT |
854 | int git_default_config(const char *var, const char *value, void *dummy) |
855 | { | |
856 | if (!prefixcmp(var, "core.")) | |
857 | return git_default_core_config(var, value); | |
858 | ||
859 | if (!prefixcmp(var, "user.")) | |
860 | return git_default_user_config(var, value); | |
861 | ||
862 | if (!prefixcmp(var, "i18n.")) | |
863 | return git_default_i18n_config(var, value); | |
864 | ||
865 | if (!prefixcmp(var, "branch.")) | |
866 | return git_default_branch_config(var, value); | |
867 | ||
52153747 FAG |
868 | if (!prefixcmp(var, "push.")) |
869 | return git_default_push_config(var, value); | |
870 | ||
d551a488 MSO |
871 | if (!prefixcmp(var, "mailmap.")) |
872 | return git_default_mailmap_config(var, value); | |
873 | ||
75194438 JK |
874 | if (!prefixcmp(var, "advice.")) |
875 | return git_default_advice_config(var, value); | |
876 | ||
1141f492 LT |
877 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
878 | pager_use_color = git_config_bool(var,value); | |
879 | return 0; | |
880 | } | |
881 | ||
568508e7 JH |
882 | if (!strcmp(var, "pack.packsizelimit")) { |
883 | pack_size_limit_cfg = git_config_ulong(var, value); | |
884 | return 0; | |
885 | } | |
1141f492 LT |
886 | /* Add other config variables here and to Documentation/config.txt. */ |
887 | return 0; | |
888 | } | |
889 | ||
ef90d6d4 | 890 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) |
17712991 LT |
891 | { |
892 | int ret; | |
4f629539 | 893 | FILE *f = fopen(filename, "r"); |
17712991 LT |
894 | |
895 | ret = -1; | |
896 | if (f) { | |
924aaf3e RJ |
897 | config_file top; |
898 | ||
899 | /* push config-file parsing state stack */ | |
900 | top.prev = cf; | |
901 | top.f = f; | |
902 | top.name = filename; | |
903 | top.linenr = 1; | |
904 | top.eof = 0; | |
905 | strbuf_init(&top.value, 1024); | |
906 | cf = ⊤ | |
907 | ||
ef90d6d4 | 908 | ret = git_parse_file(fn, data); |
924aaf3e RJ |
909 | |
910 | /* pop config-file parsing state stack */ | |
911 | strbuf_release(&top.value); | |
912 | cf = top.prev; | |
913 | ||
17712991 LT |
914 | fclose(f); |
915 | } | |
916 | return ret; | |
917 | } | |
10bea152 | 918 | |
506b17b1 JS |
919 | const char *git_etc_gitconfig(void) |
920 | { | |
7f0e39fa | 921 | static const char *system_wide; |
2de9de5e SP |
922 | if (!system_wide) |
923 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 924 | return system_wide; |
506b17b1 JS |
925 | } |
926 | ||
0ef37164 | 927 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
928 | { |
929 | const char *v = getenv(k); | |
930 | return v ? git_config_bool(k, v) : def; | |
931 | } | |
932 | ||
933 | int git_config_system(void) | |
934 | { | |
935 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
936 | } | |
937 | ||
dbdf5854 | 938 | int git_config_early(config_fn_t fn, void *data, const char *repo_config) |
4f629539 | 939 | { |
aa387407 | 940 | int ret = 0, found = 0; |
dc871831 | 941 | const char *home = NULL; |
5f1a63e0 | 942 | |
aa387407 | 943 | if (git_config_system() && !access(git_etc_gitconfig(), R_OK)) { |
dc871831 DB |
944 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
945 | data); | |
aa387407 FC |
946 | found += 1; |
947 | } | |
5f1a63e0 | 948 | |
dc871831 | 949 | home = getenv("HOME"); |
8f323c00 | 950 | if (home) { |
05bab3ea RJ |
951 | char buf[PATH_MAX]; |
952 | char *user_config = mksnpath(buf, sizeof(buf), "%s/.gitconfig", home); | |
aa387407 | 953 | if (!access(user_config, R_OK)) { |
dc871831 | 954 | ret += git_config_from_file(fn, user_config, data); |
aa387407 FC |
955 | found += 1; |
956 | } | |
5f1a63e0 JS |
957 | } |
958 | ||
dbdf5854 | 959 | if (repo_config && !access(repo_config, R_OK)) { |
aa387407 FC |
960 | ret += git_config_from_file(fn, repo_config, data); |
961 | found += 1; | |
962 | } | |
8b1fa778 | 963 | |
5a0c9eeb JK |
964 | switch (git_config_from_parameters(fn, data)) { |
965 | case -1: /* error */ | |
1c2c9bee | 966 | die("unable to parse command-line config"); |
5a0c9eeb JK |
967 | break; |
968 | case 0: /* found nothing */ | |
969 | break; | |
970 | default: /* found at least one item */ | |
971 | found++; | |
972 | break; | |
973 | } | |
8b1fa778 | 974 | |
1f2baa78 | 975 | return ret == 0 ? found : ret; |
4f629539 JH |
976 | } |
977 | ||
c9b5e2a5 | 978 | int git_config_with_options(config_fn_t fn, void *data, |
9b25a0b5 | 979 | const char *filename, int respect_includes) |
dbdf5854 NTND |
980 | { |
981 | char *repo_config = NULL; | |
982 | int ret; | |
9b25a0b5 JK |
983 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
984 | ||
985 | if (respect_includes) { | |
986 | inc.fn = fn; | |
987 | inc.data = data; | |
988 | fn = git_config_include; | |
989 | data = &inc; | |
990 | } | |
dbdf5854 | 991 | |
c9b5e2a5 JK |
992 | /* |
993 | * If we have a specific filename, use it. Otherwise, follow the | |
994 | * regular lookup sequence. | |
995 | */ | |
996 | if (filename) | |
997 | return git_config_from_file(fn, filename, data); | |
998 | ||
dbdf5854 NTND |
999 | repo_config = git_pathdup("config"); |
1000 | ret = git_config_early(fn, data, repo_config); | |
1001 | if (repo_config) | |
1002 | free(repo_config); | |
1003 | return ret; | |
1004 | } | |
1005 | ||
c9b5e2a5 JK |
1006 | int git_config(config_fn_t fn, void *data) |
1007 | { | |
9b25a0b5 | 1008 | return git_config_with_options(fn, data, NULL, 1); |
c9b5e2a5 JK |
1009 | } |
1010 | ||
10bea152 JS |
1011 | /* |
1012 | * Find all the stuff for git_config_set() below. | |
1013 | */ | |
4ddba79d JS |
1014 | |
1015 | #define MAX_MATCHES 512 | |
1016 | ||
10bea152 JS |
1017 | static struct { |
1018 | int baselen; | |
4b25d091 | 1019 | char *key; |
f98d863d | 1020 | int do_not_match; |
4b25d091 | 1021 | regex_t *value_regex; |
4ddba79d | 1022 | int multi_replace; |
dc49cd76 | 1023 | size_t offset[MAX_MATCHES]; |
10bea152 JS |
1024 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
1025 | int seen; | |
1026 | } store; | |
1027 | ||
4b25d091 | 1028 | static int matches(const char *key, const char *value) |
f98d863d JS |
1029 | { |
1030 | return !strcmp(key, store.key) && | |
1031 | (store.value_regex == NULL || | |
1032 | (store.do_not_match ^ | |
1033 | !regexec(store.value_regex, value, 0, NULL, 0))); | |
1034 | } | |
1035 | ||
4b25d091 | 1036 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 1037 | { |
ae9ee41d JH |
1038 | const char *ep; |
1039 | size_t section_len; | |
924aaf3e | 1040 | FILE *f = cf->f; |
ae9ee41d | 1041 | |
10bea152 JS |
1042 | switch (store.state) { |
1043 | case KEY_SEEN: | |
f98d863d | 1044 | if (matches(key, value)) { |
4ddba79d | 1045 | if (store.seen == 1 && store.multi_replace == 0) { |
64c0d71c | 1046 | warning("%s has multiple values", key); |
4ddba79d | 1047 | } else if (store.seen >= MAX_MATCHES) { |
64c0d71c | 1048 | error("too many matches for %s", key); |
4ddba79d | 1049 | return 1; |
10bea152 | 1050 | } |
4ddba79d | 1051 | |
924aaf3e | 1052 | store.offset[store.seen] = ftell(f); |
10bea152 JS |
1053 | store.seen++; |
1054 | } | |
1055 | break; | |
1056 | case SECTION_SEEN: | |
ae9ee41d JH |
1057 | /* |
1058 | * What we are looking for is in store.key (both | |
1059 | * section and var), and its section part is baselen | |
1060 | * long. We found key (again, both section and var). | |
1061 | * We would want to know if this key is in the same | |
1062 | * section as what we are looking for. We already | |
1063 | * know we are in the same section as what should | |
1064 | * hold store.key. | |
1065 | */ | |
1066 | ep = strrchr(key, '.'); | |
1067 | section_len = ep - key; | |
1068 | ||
1069 | if ((section_len != store.baselen) || | |
1070 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
1071 | store.state = SECTION_END_SEEN; |
1072 | break; | |
ae9ee41d JH |
1073 | } |
1074 | ||
1075 | /* | |
1076 | * Do not increment matches: this is no match, but we | |
1077 | * just made sure we are in the desired section. | |
1078 | */ | |
924aaf3e | 1079 | store.offset[store.seen] = ftell(f); |
10bea152 JS |
1080 | /* fallthru */ |
1081 | case SECTION_END_SEEN: | |
1082 | case START: | |
f98d863d | 1083 | if (matches(key, value)) { |
924aaf3e | 1084 | store.offset[store.seen] = ftell(f); |
10bea152 JS |
1085 | store.state = KEY_SEEN; |
1086 | store.seen++; | |
d14f7764 LT |
1087 | } else { |
1088 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 1089 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 1090 | store.state = SECTION_SEEN; |
924aaf3e | 1091 | store.offset[store.seen] = ftell(f); |
d14f7764 | 1092 | } |
bdf0ef08 | 1093 | } |
10bea152 JS |
1094 | } |
1095 | return 0; | |
1096 | } | |
1097 | ||
64c0d71c | 1098 | static int write_error(const char *filename) |
480c9e52 | 1099 | { |
64c0d71c | 1100 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
1101 | |
1102 | /* Same error code as "failed to rename". */ | |
1103 | return 4; | |
1104 | } | |
1105 | ||
4b25d091 | 1106 | static int store_write_section(int fd, const char *key) |
10bea152 | 1107 | { |
cb891a59 KH |
1108 | const char *dot; |
1109 | int i, success; | |
f285a2d7 | 1110 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 1111 | |
cb891a59 | 1112 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 1113 | if (dot) { |
cb891a59 KH |
1114 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
1115 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 1116 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
1117 | strbuf_addch(&sb, '\\'); |
1118 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 1119 | } |
cb891a59 KH |
1120 | strbuf_addstr(&sb, "\"]\n"); |
1121 | } else { | |
1122 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
1123 | } |
1124 | ||
cb891a59 KH |
1125 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
1126 | strbuf_release(&sb); | |
480c9e52 | 1127 | |
cb891a59 | 1128 | return success; |
10bea152 JS |
1129 | } |
1130 | ||
4b25d091 | 1131 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 1132 | { |
cb891a59 KH |
1133 | int i, success; |
1134 | int length = strlen(key + store.baselen + 1); | |
1135 | const char *quote = ""; | |
f285a2d7 | 1136 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 1137 | |
6281f394 JM |
1138 | /* |
1139 | * Check to see if the value needs to be surrounded with a dq pair. | |
1140 | * Note that problematic characters are always backslash-quoted; this | |
1141 | * check is about not losing leading or trailing SP and strings that | |
1142 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
1143 | * configuration parser. | |
1144 | */ | |
cdd4fb15 | 1145 | if (value[0] == ' ') |
cb891a59 | 1146 | quote = "\""; |
cdd4fb15 BG |
1147 | for (i = 0; value[i]; i++) |
1148 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
1149 | quote = "\""; |
1150 | if (i && value[i - 1] == ' ') | |
1151 | quote = "\""; | |
1152 | ||
cb891a59 KH |
1153 | strbuf_addf(&sb, "\t%.*s = %s", |
1154 | length, key + store.baselen + 1, quote); | |
10bea152 | 1155 | |
10bea152 JS |
1156 | for (i = 0; value[i]; i++) |
1157 | switch (value[i]) { | |
480c9e52 | 1158 | case '\n': |
cb891a59 | 1159 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
1160 | break; |
1161 | case '\t': | |
cb891a59 | 1162 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
1163 | break; |
1164 | case '"': | |
1165 | case '\\': | |
cb891a59 | 1166 | strbuf_addch(&sb, '\\'); |
480c9e52 | 1167 | default: |
cb891a59 | 1168 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
1169 | break; |
1170 | } | |
cb891a59 KH |
1171 | strbuf_addf(&sb, "%s\n", quote); |
1172 | ||
1173 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
1174 | strbuf_release(&sb); | |
1175 | ||
1176 | return success; | |
10bea152 JS |
1177 | } |
1178 | ||
4b25d091 FC |
1179 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
1180 | size_t offset_, int *found_bracket) | |
4ddba79d | 1181 | { |
dc49cd76 SP |
1182 | size_t equal_offset = size, bracket_offset = size; |
1183 | ssize_t offset; | |
4ddba79d | 1184 | |
7a31cc0f | 1185 | contline: |
a6080a0a | 1186 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
1187 | && contents[offset] != '\n'; offset--) |
1188 | switch (contents[offset]) { | |
1189 | case '=': equal_offset = offset; break; | |
1190 | case ']': bracket_offset = offset; break; | |
1191 | } | |
7a31cc0f FL |
1192 | if (offset > 0 && contents[offset-1] == '\\') { |
1193 | offset_ = offset; | |
1194 | goto contline; | |
1195 | } | |
4ddba79d JS |
1196 | if (bracket_offset < equal_offset) { |
1197 | *found_bracket = 1; | |
1198 | offset = bracket_offset+1; | |
1199 | } else | |
1200 | offset++; | |
1201 | ||
1202 | return offset; | |
1203 | } | |
1204 | ||
5ec31182 RR |
1205 | int git_config_set_in_file(const char *config_filename, |
1206 | const char *key, const char *value) | |
1207 | { | |
1208 | return git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); | |
1209 | } | |
1210 | ||
4b25d091 | 1211 | int git_config_set(const char *key, const char *value) |
10bea152 | 1212 | { |
4ddba79d | 1213 | return git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
1214 | } |
1215 | ||
b09c53a3 LP |
1216 | /* |
1217 | * Auxiliary function to sanity-check and split the key into the section | |
1218 | * identifier and variable name. | |
1219 | * | |
1220 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
1221 | * -2 if there is no section name in the key. | |
1222 | * | |
1223 | * store_key - pointer to char* which will hold a copy of the key with | |
1224 | * lowercase section and variable name | |
1225 | * baselen - pointer to int which will hold the length of the | |
1226 | * section + subsection part, can be NULL | |
1227 | */ | |
1228 | int git_config_parse_key(const char *key, char **store_key, int *baselen_) | |
1229 | { | |
1230 | int i, dot, baselen; | |
1231 | const char *last_dot = strrchr(key, '.'); | |
1232 | ||
1233 | /* | |
1234 | * Since "key" actually contains the section name and the real | |
1235 | * key name separated by a dot, we have to know where the dot is. | |
1236 | */ | |
1237 | ||
2169ddc0 | 1238 | if (last_dot == NULL || last_dot == key) { |
b09c53a3 | 1239 | error("key does not contain a section: %s", key); |
7a397419 | 1240 | return -CONFIG_NO_SECTION_OR_NAME; |
b09c53a3 LP |
1241 | } |
1242 | ||
2169ddc0 LP |
1243 | if (!last_dot[1]) { |
1244 | error("key does not contain variable name: %s", key); | |
7a397419 | 1245 | return -CONFIG_NO_SECTION_OR_NAME; |
2169ddc0 LP |
1246 | } |
1247 | ||
b09c53a3 LP |
1248 | baselen = last_dot - key; |
1249 | if (baselen_) | |
1250 | *baselen_ = baselen; | |
1251 | ||
1252 | /* | |
1253 | * Validate the key and while at it, lower case it for matching. | |
1254 | */ | |
1255 | *store_key = xmalloc(strlen(key) + 1); | |
1256 | ||
1257 | dot = 0; | |
1258 | for (i = 0; key[i]; i++) { | |
1259 | unsigned char c = key[i]; | |
1260 | if (c == '.') | |
1261 | dot = 1; | |
1262 | /* Leave the extended basename untouched.. */ | |
1263 | if (!dot || i > baselen) { | |
1264 | if (!iskeychar(c) || | |
1265 | (i == baselen + 1 && !isalpha(c))) { | |
1266 | error("invalid key: %s", key); | |
1267 | goto out_free_ret_1; | |
1268 | } | |
1269 | c = tolower(c); | |
1270 | } else if (c == '\n') { | |
1271 | error("invalid key (newline): %s", key); | |
1272 | goto out_free_ret_1; | |
1273 | } | |
1274 | (*store_key)[i] = c; | |
1275 | } | |
1276 | (*store_key)[i] = 0; | |
1277 | ||
1278 | return 0; | |
1279 | ||
1280 | out_free_ret_1: | |
1281 | free(*store_key); | |
7a397419 | 1282 | return -CONFIG_INVALID_KEY; |
b09c53a3 LP |
1283 | } |
1284 | ||
10bea152 JS |
1285 | /* |
1286 | * If value==NULL, unset in (remove from) config, | |
1287 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
4ddba79d JS |
1288 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
1289 | * else all matching key/values (regardless how many) are removed, | |
1290 | * before the new pair is written. | |
10bea152 JS |
1291 | * |
1292 | * Returns 0 on success. | |
1293 | * | |
1294 | * This function does this: | |
1295 | * | |
1296 | * - it locks the config file by creating ".git/config.lock" | |
1297 | * | |
1298 | * - it then parses the config using store_aux() as validator to find | |
1299 | * the position on the key/value pair to replace. If it is to be unset, | |
1300 | * it must be found exactly once. | |
1301 | * | |
1302 | * - the config file is mmap()ed and the part before the match (if any) is | |
1303 | * written to the lock file, then the changed part and the rest. | |
1304 | * | |
1305 | * - the config file is removed and the lock file rename()d to it. | |
1306 | * | |
1307 | */ | |
5ec31182 RR |
1308 | int git_config_set_multivar_in_file(const char *config_filename, |
1309 | const char *key, const char *value, | |
1310 | const char *value_regex, int multi_replace) | |
10bea152 | 1311 | { |
f8ba655e | 1312 | int fd = -1, in_fd; |
dafc88b1 | 1313 | int ret; |
6cbf973c | 1314 | struct lock_file *lock = NULL; |
0a5f5759 | 1315 | char *filename_buf = NULL; |
4ddba79d | 1316 | |
b09c53a3 LP |
1317 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
1318 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
1319 | if (ret) | |
dafc88b1 | 1320 | goto out_free; |
b17e659d JS |
1321 | |
1322 | store.multi_replace = multi_replace; | |
10bea152 | 1323 | |
0a5f5759 JK |
1324 | if (!config_filename) |
1325 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
1326 | |
1327 | /* | |
6cbf973c | 1328 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
1329 | * contents of .git/config will be written into it. |
1330 | */ | |
6cbf973c BS |
1331 | lock = xcalloc(sizeof(struct lock_file), 1); |
1332 | fd = hold_lock_file_for_update(lock, config_filename, 0); | |
1333 | if (fd < 0) { | |
6ffd567b | 1334 | error("could not lock config file %s: %s", config_filename, strerror(errno)); |
10bea152 | 1335 | free(store.key); |
7a397419 | 1336 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 1337 | goto out_free; |
10bea152 JS |
1338 | } |
1339 | ||
1340 | /* | |
1341 | * If .git/config does not exist yet, write a minimal version. | |
1342 | */ | |
88fb958b AR |
1343 | in_fd = open(config_filename, O_RDONLY); |
1344 | if ( in_fd < 0 ) { | |
10bea152 JS |
1345 | free(store.key); |
1346 | ||
88fb958b AR |
1347 | if ( ENOENT != errno ) { |
1348 | error("opening %s: %s", config_filename, | |
1349 | strerror(errno)); | |
7a397419 | 1350 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 1351 | goto out_free; |
88fb958b | 1352 | } |
10bea152 JS |
1353 | /* if nothing to unset, error out */ |
1354 | if (value == NULL) { | |
7a397419 | 1355 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 1356 | goto out_free; |
10bea152 JS |
1357 | } |
1358 | ||
4b25d091 | 1359 | store.key = (char *)key; |
480c9e52 | 1360 | if (!store_write_section(fd, key) || |
93c1e079 JH |
1361 | !store_write_pair(fd, key, value)) |
1362 | goto write_err_out; | |
1363 | } else { | |
88fb958b | 1364 | struct stat st; |
4b25d091 | 1365 | char *contents; |
dc49cd76 SP |
1366 | size_t contents_sz, copy_begin, copy_end; |
1367 | int i, new_line = 0; | |
10bea152 JS |
1368 | |
1369 | if (value_regex == NULL) | |
1370 | store.value_regex = NULL; | |
1371 | else { | |
f98d863d JS |
1372 | if (value_regex[0] == '!') { |
1373 | store.do_not_match = 1; | |
1374 | value_regex++; | |
1375 | } else | |
1376 | store.do_not_match = 0; | |
1377 | ||
2d7320d0 | 1378 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
1379 | if (regcomp(store.value_regex, value_regex, |
1380 | REG_EXTENDED)) { | |
64c0d71c | 1381 | error("invalid pattern: %s", value_regex); |
10bea152 | 1382 | free(store.value_regex); |
7a397419 | 1383 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 1384 | goto out_free; |
10bea152 JS |
1385 | } |
1386 | } | |
1387 | ||
4ddba79d | 1388 | store.offset[0] = 0; |
10bea152 JS |
1389 | store.state = START; |
1390 | store.seen = 0; | |
1391 | ||
1392 | /* | |
1393 | * After this, store.offset will contain the *end* offset | |
1394 | * of the last match, or remain at 0 if no match was found. | |
1395 | * As a side effect, we make sure to transform only a valid | |
1396 | * existing config file. | |
1397 | */ | |
ef90d6d4 | 1398 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 1399 | error("invalid config file %s", config_filename); |
10bea152 JS |
1400 | free(store.key); |
1401 | if (store.value_regex != NULL) { | |
1402 | regfree(store.value_regex); | |
1403 | free(store.value_regex); | |
1404 | } | |
7a397419 | 1405 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 1406 | goto out_free; |
10bea152 JS |
1407 | } |
1408 | ||
1409 | free(store.key); | |
1410 | if (store.value_regex != NULL) { | |
1411 | regfree(store.value_regex); | |
1412 | free(store.value_regex); | |
1413 | } | |
1414 | ||
4ddba79d JS |
1415 | /* if nothing to unset, or too many matches, error out */ |
1416 | if ((store.seen == 0 && value == NULL) || | |
1417 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 1418 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 1419 | goto out_free; |
10bea152 JS |
1420 | } |
1421 | ||
88fb958b | 1422 | fstat(in_fd, &st); |
dc49cd76 SP |
1423 | contents_sz = xsize_t(st.st_size); |
1424 | contents = xmmap(NULL, contents_sz, PROT_READ, | |
10bea152 JS |
1425 | MAP_PRIVATE, in_fd, 0); |
1426 | close(in_fd); | |
1427 | ||
4ddba79d JS |
1428 | if (store.seen == 0) |
1429 | store.seen = 1; | |
1430 | ||
1431 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
1432 | if (store.offset[i] == 0) { | |
dc49cd76 | 1433 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
1434 | } else if (store.state != KEY_SEEN) { |
1435 | copy_end = store.offset[i]; | |
10bea152 | 1436 | } else |
4ddba79d | 1437 | copy_end = find_beginning_of_line( |
dc49cd76 | 1438 | contents, contents_sz, |
4ddba79d JS |
1439 | store.offset[i]-2, &new_line); |
1440 | ||
02e5ba4a JK |
1441 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
1442 | new_line = 1; | |
1443 | ||
4ddba79d JS |
1444 | /* write the first part of the config */ |
1445 | if (copy_end > copy_begin) { | |
93c1e079 JH |
1446 | if (write_in_full(fd, contents + copy_begin, |
1447 | copy_end - copy_begin) < | |
1448 | copy_end - copy_begin) | |
1449 | goto write_err_out; | |
1450 | if (new_line && | |
2b7ca830 | 1451 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 1452 | goto write_err_out; |
4ddba79d JS |
1453 | } |
1454 | copy_begin = store.offset[i]; | |
10bea152 JS |
1455 | } |
1456 | ||
10bea152 JS |
1457 | /* write the pair (value == NULL means unset) */ |
1458 | if (value != NULL) { | |
93c1e079 JH |
1459 | if (store.state == START) { |
1460 | if (!store_write_section(fd, key)) | |
1461 | goto write_err_out; | |
480c9e52 | 1462 | } |
93c1e079 JH |
1463 | if (!store_write_pair(fd, key, value)) |
1464 | goto write_err_out; | |
10bea152 JS |
1465 | } |
1466 | ||
1467 | /* write the rest of the config */ | |
dc49cd76 | 1468 | if (copy_begin < contents_sz) |
93c1e079 | 1469 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
1470 | contents_sz - copy_begin) < |
1471 | contents_sz - copy_begin) | |
93c1e079 | 1472 | goto write_err_out; |
10bea152 | 1473 | |
dc49cd76 | 1474 | munmap(contents, contents_sz); |
10bea152 JS |
1475 | } |
1476 | ||
4ed7cd3a | 1477 | if (commit_lock_file(lock) < 0) { |
64c0d71c | 1478 | error("could not commit config file %s", config_filename); |
7a397419 | 1479 | ret = CONFIG_NO_WRITE; |
dafc88b1 | 1480 | goto out_free; |
10bea152 JS |
1481 | } |
1482 | ||
6cbf973c BS |
1483 | /* |
1484 | * lock is committed, so don't try to roll it back below. | |
1485 | * NOTE: Since lockfile.c keeps a linked list of all created | |
1486 | * lock_file structures, it isn't safe to free(lock). It's | |
1487 | * better to just leave it hanging around. | |
1488 | */ | |
1489 | lock = NULL; | |
dafc88b1 SH |
1490 | ret = 0; |
1491 | ||
1492 | out_free: | |
6cbf973c BS |
1493 | if (lock) |
1494 | rollback_lock_file(lock); | |
0a5f5759 | 1495 | free(filename_buf); |
dafc88b1 | 1496 | return ret; |
93c1e079 JH |
1497 | |
1498 | write_err_out: | |
64c0d71c | 1499 | ret = write_error(lock->filename); |
93c1e079 JH |
1500 | goto out_free; |
1501 | ||
10bea152 JS |
1502 | } |
1503 | ||
5ec31182 RR |
1504 | int git_config_set_multivar(const char *key, const char *value, |
1505 | const char *value_regex, int multi_replace) | |
1506 | { | |
4a7bb5ba | 1507 | return git_config_set_multivar_in_file(NULL, key, value, value_regex, |
0a5f5759 | 1508 | multi_replace); |
5ec31182 RR |
1509 | } |
1510 | ||
118f8b24 PB |
1511 | static int section_name_match (const char *buf, const char *name) |
1512 | { | |
1513 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
1514 | if (buf[i] != '[') |
1515 | return 0; | |
1516 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
1517 | if (!dot && isspace(buf[i])) { |
1518 | dot = 1; | |
1519 | if (name[j++] != '.') | |
1520 | break; | |
1521 | for (i++; isspace(buf[i]); i++) | |
1522 | ; /* do nothing */ | |
1523 | if (buf[i] != '"') | |
1524 | break; | |
1525 | continue; | |
1526 | } | |
1527 | if (buf[i] == '\\' && dot) | |
1528 | i++; | |
1529 | else if (buf[i] == '"' && dot) { | |
1530 | for (i++; isspace(buf[i]); i++) | |
1531 | ; /* do_nothing */ | |
1532 | break; | |
1533 | } | |
1534 | if (buf[i] != name[j++]) | |
1535 | break; | |
1536 | } | |
a4c0d463 AV |
1537 | if (buf[i] == ']' && name[j] == 0) { |
1538 | /* | |
1539 | * We match, now just find the right length offset by | |
1540 | * gobbling up any whitespace after it, as well | |
1541 | */ | |
1542 | i++; | |
1543 | for (; buf[i] && isspace(buf[i]); i++) | |
1544 | ; /* do nothing */ | |
1545 | return i; | |
1546 | } | |
1547 | return 0; | |
118f8b24 PB |
1548 | } |
1549 | ||
1550 | /* if new_name == NULL, the section is removed instead */ | |
42bd39b5 JK |
1551 | int git_config_rename_section_in_file(const char *config_filename, |
1552 | const char *old_name, const char *new_name) | |
0667fcfb | 1553 | { |
118f8b24 | 1554 | int ret = 0, remove = 0; |
42bd39b5 | 1555 | char *filename_buf = NULL; |
0667fcfb JS |
1556 | struct lock_file *lock = xcalloc(sizeof(struct lock_file), 1); |
1557 | int out_fd; | |
1558 | char buf[1024]; | |
924aaf3e | 1559 | FILE *config_file; |
0667fcfb | 1560 | |
42bd39b5 JK |
1561 | if (!config_filename) |
1562 | config_filename = filename_buf = git_pathdup("config"); | |
1563 | ||
0667fcfb | 1564 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 1565 | if (out_fd < 0) { |
64c0d71c | 1566 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
1567 | goto out; |
1568 | } | |
0667fcfb | 1569 | |
fc1905bb | 1570 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc GB |
1571 | /* no config file means nothing to rename, no error */ |
1572 | goto unlock_and_out; | |
fc1905bb | 1573 | } |
0667fcfb JS |
1574 | |
1575 | while (fgets(buf, sizeof(buf), config_file)) { | |
1576 | int i; | |
480c9e52 | 1577 | int length; |
9a5abfc7 | 1578 | char *output = buf; |
0667fcfb JS |
1579 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
1580 | ; /* do nothing */ | |
1581 | if (buf[i] == '[') { | |
1582 | /* it's a section */ | |
a4c0d463 AV |
1583 | int offset = section_name_match(&buf[i], old_name); |
1584 | if (offset > 0) { | |
118f8b24 PB |
1585 | ret++; |
1586 | if (new_name == NULL) { | |
1587 | remove = 1; | |
0667fcfb JS |
1588 | continue; |
1589 | } | |
0667fcfb | 1590 | store.baselen = strlen(new_name); |
480c9e52 | 1591 | if (!store_write_section(out_fd, new_name)) { |
64c0d71c | 1592 | ret = write_error(lock->filename); |
480c9e52 AW |
1593 | goto out; |
1594 | } | |
9a5abfc7 AV |
1595 | /* |
1596 | * We wrote out the new section, with | |
1597 | * a newline, now skip the old | |
1598 | * section's length | |
1599 | */ | |
1600 | output += offset + i; | |
1601 | if (strlen(output) > 0) { | |
1602 | /* | |
1603 | * More content means there's | |
1604 | * a declaration to put on the | |
1605 | * next line; indent with a | |
1606 | * tab | |
1607 | */ | |
1608 | output -= 1; | |
1609 | output[0] = '\t'; | |
1610 | } | |
0667fcfb | 1611 | } |
118f8b24 | 1612 | remove = 0; |
0667fcfb | 1613 | } |
118f8b24 PB |
1614 | if (remove) |
1615 | continue; | |
9a5abfc7 AV |
1616 | length = strlen(output); |
1617 | if (write_in_full(out_fd, output, length) != length) { | |
64c0d71c | 1618 | ret = write_error(lock->filename); |
480c9e52 AW |
1619 | goto out; |
1620 | } | |
0667fcfb | 1621 | } |
fc1905bb | 1622 | fclose(config_file); |
8b590075 | 1623 | unlock_and_out: |
4ed7cd3a | 1624 | if (commit_lock_file(lock) < 0) |
64c0d71c | 1625 | ret = error("could not commit config file %s", config_filename); |
8b590075 | 1626 | out: |
42bd39b5 | 1627 | free(filename_buf); |
0667fcfb JS |
1628 | return ret; |
1629 | } | |
40ea4ed9 | 1630 | |
42bd39b5 JK |
1631 | int git_config_rename_section(const char *old_name, const char *new_name) |
1632 | { | |
4a7bb5ba | 1633 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
1634 | } |
1635 | ||
40ea4ed9 JH |
1636 | /* |
1637 | * Call this to report error for your variable that should not | |
1638 | * get a boolean value (i.e. "[my] var" means "true"). | |
1639 | */ | |
1640 | int config_error_nonbool(const char *var) | |
1641 | { | |
1642 | return error("Missing value for '%s'", var); | |
1643 | } |