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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 | 12 | |
924aaf3e RJ |
13 | typedef struct config_file { |
14 | struct config_file *prev; | |
15 | FILE *f; | |
16 | const char *name; | |
17 | int linenr; | |
18 | int eof; | |
19 | struct strbuf value; | |
0971e992 | 20 | struct strbuf var; |
924aaf3e RJ |
21 | } config_file; |
22 | ||
23 | static config_file *cf; | |
24 | ||
960ccca6 DH |
25 | static int zlib_compression_seen; |
26 | ||
9b25a0b5 JK |
27 | #define MAX_INCLUDE_DEPTH 10 |
28 | static const char include_depth_advice[] = | |
29 | "exceeded maximum include depth (%d) while including\n" | |
30 | " %s\n" | |
31 | "from\n" | |
32 | " %s\n" | |
33 | "Do you have circular includes?"; | |
34 | static int handle_path_include(const char *path, struct config_include_data *inc) | |
35 | { | |
36 | int ret = 0; | |
37 | struct strbuf buf = STRBUF_INIT; | |
4c0a89fc JK |
38 | char *expanded = expand_user_path(path); |
39 | ||
40 | if (!expanded) | |
41 | return error("Could not expand include path '%s'", path); | |
42 | path = expanded; | |
9b25a0b5 JK |
43 | |
44 | /* | |
45 | * Use an absolute path as-is, but interpret relative paths | |
46 | * based on the including config file. | |
47 | */ | |
48 | if (!is_absolute_path(path)) { | |
49 | char *slash; | |
50 | ||
51 | if (!cf || !cf->name) | |
52 | return error("relative config includes must come from files"); | |
53 | ||
54 | slash = find_last_dir_sep(cf->name); | |
55 | if (slash) | |
56 | strbuf_add(&buf, cf->name, slash - cf->name + 1); | |
57 | strbuf_addstr(&buf, path); | |
58 | path = buf.buf; | |
59 | } | |
60 | ||
8f2bbe45 | 61 | if (!access_or_die(path, R_OK)) { |
9b25a0b5 JK |
62 | if (++inc->depth > MAX_INCLUDE_DEPTH) |
63 | die(include_depth_advice, MAX_INCLUDE_DEPTH, path, | |
64 | cf && cf->name ? cf->name : "the command line"); | |
65 | ret = git_config_from_file(git_config_include, path, inc); | |
66 | inc->depth--; | |
67 | } | |
68 | strbuf_release(&buf); | |
4c0a89fc | 69 | free(expanded); |
9b25a0b5 JK |
70 | return ret; |
71 | } | |
72 | ||
73 | int git_config_include(const char *var, const char *value, void *data) | |
74 | { | |
75 | struct config_include_data *inc = data; | |
76 | const char *type; | |
77 | int ret; | |
78 | ||
79 | /* | |
80 | * Pass along all values, including "include" directives; this makes it | |
81 | * possible to query information on the includes themselves. | |
82 | */ | |
83 | ret = inc->fn(var, value, inc->data); | |
84 | if (ret < 0) | |
85 | return ret; | |
86 | ||
87 | type = skip_prefix(var, "include."); | |
88 | if (!type) | |
89 | return ret; | |
90 | ||
91 | if (!strcmp(type, "path")) | |
92 | ret = handle_path_include(value, inc); | |
93 | return ret; | |
94 | } | |
95 | ||
8b1fa778 AR |
96 | static void lowercase(char *p) |
97 | { | |
98 | for (; *p; p++) | |
99 | *p = tolower(*p); | |
100 | } | |
8b1fa778 | 101 | |
2b64fc89 JK |
102 | void git_config_push_parameter(const char *text) |
103 | { | |
104 | struct strbuf env = STRBUF_INIT; | |
105 | const char *old = getenv(CONFIG_DATA_ENVIRONMENT); | |
106 | if (old) { | |
107 | strbuf_addstr(&env, old); | |
108 | strbuf_addch(&env, ' '); | |
109 | } | |
110 | sq_quote_buf(&env, text); | |
111 | setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1); | |
112 | strbuf_release(&env); | |
113 | } | |
114 | ||
2496844b JK |
115 | int git_config_parse_parameter(const char *text, |
116 | config_fn_t fn, void *data) | |
8b1fa778 | 117 | { |
572e4f6a | 118 | struct strbuf **pair; |
f77bccae | 119 | pair = strbuf_split_str(text, '=', 2); |
c5d6350b JK |
120 | if (!pair[0]) |
121 | return error("bogus config parameter: %s", text); | |
572e4f6a AR |
122 | if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') |
123 | strbuf_setlen(pair[0], pair[0]->len - 1); | |
124 | strbuf_trim(pair[0]); | |
125 | if (!pair[0]->len) { | |
126 | strbuf_list_free(pair); | |
06eb708f | 127 | return error("bogus config parameter: %s", text); |
8b1fa778 | 128 | } |
06eb708f JK |
129 | lowercase(pair[0]->buf); |
130 | if (fn(pair[0]->buf, pair[1] ? pair[1]->buf : NULL, data) < 0) { | |
131 | strbuf_list_free(pair); | |
132 | return -1; | |
572e4f6a AR |
133 | } |
134 | strbuf_list_free(pair); | |
8b1fa778 AR |
135 | return 0; |
136 | } | |
137 | ||
06eb708f JK |
138 | int git_config_from_parameters(config_fn_t fn, void *data) |
139 | { | |
2b64fc89 JK |
140 | const char *env = getenv(CONFIG_DATA_ENVIRONMENT); |
141 | char *envw; | |
142 | const char **argv = NULL; | |
143 | int nr = 0, alloc = 0; | |
144 | int i; | |
145 | ||
146 | if (!env) | |
147 | return 0; | |
148 | /* sq_dequote will write over it */ | |
149 | envw = xstrdup(env); | |
150 | ||
151 | if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) { | |
152 | free(envw); | |
153 | return error("bogus format in " CONFIG_DATA_ENVIRONMENT); | |
154 | } | |
155 | ||
156 | for (i = 0; i < nr; i++) { | |
06eb708f | 157 | if (git_config_parse_parameter(argv[i], fn, data) < 0) { |
2b64fc89 JK |
158 | free(argv); |
159 | free(envw); | |
160 | return -1; | |
161 | } | |
162 | } | |
163 | ||
164 | free(argv); | |
165 | free(envw); | |
06eb708f | 166 | return nr > 0; |
2b64fc89 JK |
167 | } |
168 | ||
17712991 LT |
169 | static int get_next_char(void) |
170 | { | |
171 | int c; | |
dbb9a812 | 172 | FILE *f = cf->f; |
17712991 | 173 | |
dbb9a812 HV |
174 | c = fgetc(f); |
175 | if (c == '\r') { | |
176 | /* DOS like systems */ | |
17712991 | 177 | c = fgetc(f); |
dbb9a812 HV |
178 | if (c != '\n') { |
179 | ungetc(c, f); | |
180 | c = '\r'; | |
17712991 LT |
181 | } |
182 | } | |
dbb9a812 HV |
183 | if (c == '\n') |
184 | cf->linenr++; | |
185 | if (c == EOF) { | |
186 | cf->eof = 1; | |
187 | c = '\n'; | |
188 | } | |
17712991 LT |
189 | return c; |
190 | } | |
191 | ||
192 | static char *parse_value(void) | |
193 | { | |
e96c19c5 | 194 | int quote = 0, comment = 0, space = 0; |
17712991 | 195 | |
924aaf3e | 196 | strbuf_reset(&cf->value); |
17712991 LT |
197 | for (;;) { |
198 | int c = get_next_char(); | |
17712991 | 199 | if (c == '\n') { |
4b340593 MS |
200 | if (quote) { |
201 | cf->linenr--; | |
17712991 | 202 | return NULL; |
4b340593 | 203 | } |
924aaf3e | 204 | return cf->value.buf; |
17712991 LT |
205 | } |
206 | if (comment) | |
207 | continue; | |
208 | if (isspace(c) && !quote) { | |
924aaf3e | 209 | if (cf->value.len) |
ebdaae37 | 210 | space++; |
17712991 LT |
211 | continue; |
212 | } | |
7ebdba61 JS |
213 | if (!quote) { |
214 | if (c == ';' || c == '#') { | |
215 | comment = 1; | |
216 | continue; | |
217 | } | |
218 | } | |
ebdaae37 | 219 | for (; space; space--) |
924aaf3e | 220 | strbuf_addch(&cf->value, ' '); |
17712991 LT |
221 | if (c == '\\') { |
222 | c = get_next_char(); | |
223 | switch (c) { | |
224 | case '\n': | |
225 | continue; | |
226 | case 't': | |
227 | c = '\t'; | |
228 | break; | |
229 | case 'b': | |
230 | c = '\b'; | |
231 | break; | |
232 | case 'n': | |
233 | c = '\n'; | |
234 | break; | |
5cbb401d LT |
235 | /* Some characters escape as themselves */ |
236 | case '\\': case '"': | |
237 | break; | |
238 | /* Reject unknown escape sequences */ | |
239 | default: | |
240 | return NULL; | |
17712991 | 241 | } |
924aaf3e | 242 | strbuf_addch(&cf->value, c); |
17712991 LT |
243 | continue; |
244 | } | |
245 | if (c == '"') { | |
246 | quote = 1-quote; | |
247 | continue; | |
248 | } | |
924aaf3e | 249 | strbuf_addch(&cf->value, c); |
17712991 LT |
250 | } |
251 | } | |
252 | ||
38c5afa8 LT |
253 | static inline int iskeychar(int c) |
254 | { | |
255 | return isalnum(c) || c == '-'; | |
256 | } | |
257 | ||
0971e992 | 258 | static int get_value(config_fn_t fn, void *data, struct strbuf *name) |
17712991 LT |
259 | { |
260 | int c; | |
261 | char *value; | |
262 | ||
263 | /* Get the full name */ | |
264 | for (;;) { | |
265 | c = get_next_char(); | |
924aaf3e | 266 | if (cf->eof) |
17712991 | 267 | break; |
38c5afa8 | 268 | if (!iskeychar(c)) |
17712991 | 269 | break; |
0971e992 | 270 | strbuf_addch(name, tolower(c)); |
17712991 | 271 | } |
0971e992 | 272 | |
17712991 LT |
273 | while (c == ' ' || c == '\t') |
274 | c = get_next_char(); | |
275 | ||
276 | value = NULL; | |
277 | if (c != '\n') { | |
278 | if (c != '=') | |
279 | return -1; | |
280 | value = parse_value(); | |
281 | if (!value) | |
282 | return -1; | |
283 | } | |
0971e992 | 284 | return fn(name->buf, value, data); |
17712991 LT |
285 | } |
286 | ||
0971e992 | 287 | static int get_extended_base_var(struct strbuf *name, int c) |
d14f7764 LT |
288 | { |
289 | do { | |
290 | if (c == '\n') | |
4b340593 | 291 | goto error_incomplete_line; |
d14f7764 LT |
292 | c = get_next_char(); |
293 | } while (isspace(c)); | |
294 | ||
295 | /* We require the format to be '[base "extension"]' */ | |
296 | if (c != '"') | |
297 | return -1; | |
0971e992 | 298 | strbuf_addch(name, '.'); |
d14f7764 LT |
299 | |
300 | for (;;) { | |
301 | int c = get_next_char(); | |
302 | if (c == '\n') | |
4b340593 | 303 | goto error_incomplete_line; |
d14f7764 LT |
304 | if (c == '"') |
305 | break; | |
306 | if (c == '\\') { | |
307 | c = get_next_char(); | |
308 | if (c == '\n') | |
4b340593 | 309 | goto error_incomplete_line; |
d14f7764 | 310 | } |
0971e992 | 311 | strbuf_addch(name, c); |
d14f7764 LT |
312 | } |
313 | ||
314 | /* Final ']' */ | |
315 | if (get_next_char() != ']') | |
316 | return -1; | |
0971e992 | 317 | return 0; |
4b340593 MS |
318 | error_incomplete_line: |
319 | cf->linenr--; | |
320 | return -1; | |
d14f7764 LT |
321 | } |
322 | ||
0971e992 | 323 | static int get_base_var(struct strbuf *name) |
17712991 | 324 | { |
17712991 LT |
325 | for (;;) { |
326 | int c = get_next_char(); | |
924aaf3e | 327 | if (cf->eof) |
17712991 LT |
328 | return -1; |
329 | if (c == ']') | |
0971e992 | 330 | return 0; |
d14f7764 | 331 | if (isspace(c)) |
0971e992 | 332 | return get_extended_base_var(name, c); |
38c5afa8 | 333 | if (!iskeychar(c) && c != '.') |
17712991 | 334 | return -1; |
0971e992 | 335 | strbuf_addch(name, tolower(c)); |
17712991 LT |
336 | } |
337 | } | |
338 | ||
ef90d6d4 | 339 | static int git_parse_file(config_fn_t fn, void *data) |
17712991 LT |
340 | { |
341 | int comment = 0; | |
342 | int baselen = 0; | |
0971e992 | 343 | struct strbuf *var = &cf->var; |
17712991 | 344 | |
de056402 PB |
345 | /* U+FEFF Byte Order Mark in UTF8 */ |
346 | static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf"; | |
347 | const unsigned char *bomptr = utf8_bom; | |
348 | ||
17712991 LT |
349 | for (;;) { |
350 | int c = get_next_char(); | |
de056402 PB |
351 | if (bomptr && *bomptr) { |
352 | /* We are at the file beginning; skip UTF8-encoded BOM | |
353 | * if present. Sane editors won't put this in on their | |
354 | * own, but e.g. Windows Notepad will do it happily. */ | |
355 | if ((unsigned char) c == *bomptr) { | |
356 | bomptr++; | |
357 | continue; | |
358 | } else { | |
359 | /* Do not tolerate partial BOM. */ | |
360 | if (bomptr != utf8_bom) | |
361 | break; | |
362 | /* No BOM at file beginning. Cool. */ | |
363 | bomptr = NULL; | |
364 | } | |
365 | } | |
17712991 | 366 | if (c == '\n') { |
924aaf3e | 367 | if (cf->eof) |
17712991 LT |
368 | return 0; |
369 | comment = 0; | |
370 | continue; | |
371 | } | |
372 | if (comment || isspace(c)) | |
373 | continue; | |
374 | if (c == '#' || c == ';') { | |
375 | comment = 1; | |
376 | continue; | |
377 | } | |
378 | if (c == '[') { | |
0971e992 BW |
379 | /* Reset prior to determining a new stem */ |
380 | strbuf_reset(var); | |
381 | if (get_base_var(var) < 0 || var->len < 1) | |
17712991 | 382 | break; |
0971e992 BW |
383 | strbuf_addch(var, '.'); |
384 | baselen = var->len; | |
17712991 LT |
385 | continue; |
386 | } | |
387 | if (!isalpha(c)) | |
388 | break; | |
0971e992 BW |
389 | /* |
390 | * Truncate the var name back to the section header | |
391 | * stem prior to grabbing the suffix part of the name | |
392 | * and the value. | |
393 | */ | |
394 | strbuf_setlen(var, baselen); | |
395 | strbuf_addch(var, tolower(c)); | |
396 | if (get_value(fn, data, var) < 0) | |
17712991 LT |
397 | break; |
398 | } | |
924aaf3e | 399 | die("bad config file line %d in %s", cf->linenr, cf->name); |
17712991 LT |
400 | } |
401 | ||
ebaa1bd4 | 402 | static int parse_unit_factor(const char *end, uintmax_t *val) |
0b87b6e0 BD |
403 | { |
404 | if (!*end) | |
405 | return 1; | |
c8deb5a1 SP |
406 | else if (!strcasecmp(end, "k")) { |
407 | *val *= 1024; | |
408 | return 1; | |
409 | } | |
410 | else if (!strcasecmp(end, "m")) { | |
411 | *val *= 1024 * 1024; | |
412 | return 1; | |
413 | } | |
414 | else if (!strcasecmp(end, "g")) { | |
415 | *val *= 1024 * 1024 * 1024; | |
416 | return 1; | |
417 | } | |
418 | return 0; | |
0b87b6e0 BD |
419 | } |
420 | ||
0433bcd9 | 421 | static int git_parse_long(const char *value, long *ret) |
0b87b6e0 BD |
422 | { |
423 | if (value && *value) { | |
424 | char *end; | |
ebaa1bd4 NA |
425 | intmax_t val; |
426 | uintmax_t uval; | |
427 | uintmax_t factor = 1; | |
428 | ||
429 | errno = 0; | |
430 | val = strtoimax(value, &end, 0); | |
431 | if (errno == ERANGE) | |
432 | return 0; | |
c8deb5a1 SP |
433 | if (!parse_unit_factor(end, &factor)) |
434 | return 0; | |
ebaa1bd4 NA |
435 | uval = abs(val); |
436 | uval *= factor; | |
437 | if ((uval > maximum_signed_value_of_type(long)) || | |
438 | (abs(val) > uval)) | |
439 | return 0; | |
440 | val *= factor; | |
441 | *ret = val; | |
0b87b6e0 BD |
442 | return 1; |
443 | } | |
444 | return 0; | |
445 | } | |
446 | ||
447 | int git_parse_ulong(const char *value, unsigned long *ret) | |
17712991 LT |
448 | { |
449 | if (value && *value) { | |
450 | char *end; | |
ebaa1bd4 NA |
451 | uintmax_t val; |
452 | uintmax_t oldval; | |
453 | ||
454 | errno = 0; | |
455 | val = strtoumax(value, &end, 0); | |
456 | if (errno == ERANGE) | |
457 | return 0; | |
458 | oldval = val; | |
c8deb5a1 SP |
459 | if (!parse_unit_factor(end, &val)) |
460 | return 0; | |
ebaa1bd4 NA |
461 | if ((val > maximum_unsigned_value_of_type(long)) || |
462 | (oldval > val)) | |
463 | return 0; | |
c8deb5a1 | 464 | *ret = val; |
0b87b6e0 | 465 | return 1; |
17712991 | 466 | } |
0b87b6e0 BD |
467 | return 0; |
468 | } | |
469 | ||
c1867cea JK |
470 | static void die_bad_config(const char *name) |
471 | { | |
924aaf3e RJ |
472 | if (cf && cf->name) |
473 | die("bad config value for '%s' in %s", name, cf->name); | |
c1867cea JK |
474 | die("bad config value for '%s'", name); |
475 | } | |
476 | ||
0b87b6e0 BD |
477 | int git_config_int(const char *name, const char *value) |
478 | { | |
0433bcd9 | 479 | long ret = 0; |
0b87b6e0 | 480 | if (!git_parse_long(value, &ret)) |
c1867cea | 481 | die_bad_config(name); |
0b87b6e0 BD |
482 | return ret; |
483 | } | |
484 | ||
485 | unsigned long git_config_ulong(const char *name, const char *value) | |
486 | { | |
487 | unsigned long ret; | |
488 | if (!git_parse_ulong(value, &ret)) | |
c1867cea | 489 | die_bad_config(name); |
0b87b6e0 | 490 | return ret; |
17712991 LT |
491 | } |
492 | ||
b2be2f6a | 493 | static int git_config_maybe_bool_text(const char *name, const char *value) |
17712991 LT |
494 | { |
495 | if (!value) | |
496 | return 1; | |
497 | if (!*value) | |
498 | return 0; | |
8420ccd8 JH |
499 | if (!strcasecmp(value, "true") |
500 | || !strcasecmp(value, "yes") | |
501 | || !strcasecmp(value, "on")) | |
17712991 | 502 | return 1; |
8420ccd8 JH |
503 | if (!strcasecmp(value, "false") |
504 | || !strcasecmp(value, "no") | |
505 | || !strcasecmp(value, "off")) | |
17712991 | 506 | return 0; |
8420ccd8 JH |
507 | return -1; |
508 | } | |
509 | ||
b2be2f6a JK |
510 | int git_config_maybe_bool(const char *name, const char *value) |
511 | { | |
db6195ef | 512 | long v = git_config_maybe_bool_text(name, value); |
b2be2f6a JK |
513 | if (0 <= v) |
514 | return v; | |
db6195ef JK |
515 | if (git_parse_long(value, &v)) |
516 | return !!v; | |
b2be2f6a JK |
517 | return -1; |
518 | } | |
519 | ||
8420ccd8 JH |
520 | int git_config_bool_or_int(const char *name, const char *value, int *is_bool) |
521 | { | |
b2be2f6a | 522 | int v = git_config_maybe_bool_text(name, value); |
8420ccd8 JH |
523 | if (0 <= v) { |
524 | *is_bool = 1; | |
525 | return v; | |
526 | } | |
a53f2ec6 | 527 | *is_bool = 0; |
c35b0b58 | 528 | return git_config_int(name, value); |
17712991 LT |
529 | } |
530 | ||
a53f2ec6 JH |
531 | int git_config_bool(const char *name, const char *value) |
532 | { | |
533 | int discard; | |
c35b0b58 | 534 | return !!git_config_bool_or_int(name, value, &discard); |
a53f2ec6 JH |
535 | } |
536 | ||
ea5105a5 CC |
537 | int git_config_string(const char **dest, const char *var, const char *value) |
538 | { | |
539 | if (!value) | |
540 | return config_error_nonbool(var); | |
541 | *dest = xstrdup(value); | |
542 | return 0; | |
543 | } | |
544 | ||
395de250 MM |
545 | int git_config_pathname(const char **dest, const char *var, const char *value) |
546 | { | |
547 | if (!value) | |
548 | return config_error_nonbool(var); | |
549 | *dest = expand_user_path(value); | |
550 | if (!*dest) | |
551 | die("Failed to expand user dir in: '%s'", value); | |
552 | return 0; | |
553 | } | |
554 | ||
806e2ad7 | 555 | static int git_default_core_config(const char *var, const char *value) |
17712991 LT |
556 | { |
557 | /* This needs a better name */ | |
558 | if (!strcmp(var, "core.filemode")) { | |
559 | trust_executable_bit = git_config_bool(var, value); | |
560 | return 0; | |
561 | } | |
1ce4790b AR |
562 | if (!strcmp(var, "core.trustctime")) { |
563 | trust_ctime = git_config_bool(var, value); | |
564 | return 0; | |
565 | } | |
c08e4d5b RR |
566 | if (!strcmp(var, "core.statinfo")) { |
567 | if (!strcasecmp(value, "default")) | |
568 | check_stat = 1; | |
569 | else if (!strcasecmp(value, "minimal")) | |
570 | check_stat = 0; | |
571 | } | |
17712991 | 572 | |
9378c161 JH |
573 | if (!strcmp(var, "core.quotepath")) { |
574 | quote_path_fully = git_config_bool(var, value); | |
575 | return 0; | |
576 | } | |
577 | ||
78a8d641 JS |
578 | if (!strcmp(var, "core.symlinks")) { |
579 | has_symlinks = git_config_bool(var, value); | |
580 | return 0; | |
581 | } | |
582 | ||
0a9b88b7 LT |
583 | if (!strcmp(var, "core.ignorecase")) { |
584 | ignore_case = git_config_bool(var, value); | |
585 | return 0; | |
586 | } | |
587 | ||
64589a03 JH |
588 | if (!strcmp(var, "core.attributesfile")) |
589 | return git_config_pathname(&git_attributes_file, var, value); | |
590 | ||
7d1864ce JH |
591 | if (!strcmp(var, "core.bare")) { |
592 | is_bare_repository_cfg = git_config_bool(var, value); | |
593 | return 0; | |
594 | } | |
595 | ||
5f73076c JH |
596 | if (!strcmp(var, "core.ignorestat")) { |
597 | assume_unchanged = git_config_bool(var, value); | |
598 | return 0; | |
599 | } | |
600 | ||
e388c738 JH |
601 | if (!strcmp(var, "core.prefersymlinkrefs")) { |
602 | prefer_symlink_refs = git_config_bool(var, value); | |
f8348be3 JS |
603 | return 0; |
604 | } | |
605 | ||
6de08ae6 SP |
606 | if (!strcmp(var, "core.logallrefupdates")) { |
607 | log_all_ref_updates = git_config_bool(var, value); | |
608 | return 0; | |
609 | } | |
610 | ||
2f8acdb3 JH |
611 | if (!strcmp(var, "core.warnambiguousrefs")) { |
612 | warn_ambiguous_refs = git_config_bool(var, value); | |
613 | return 0; | |
614 | } | |
615 | ||
a71f09fe | 616 | if (!strcmp(var, "core.abbrev")) { |
dce96489 LT |
617 | int abbrev = git_config_int(var, value); |
618 | if (abbrev < minimum_abbrev || abbrev > 40) | |
619 | return -1; | |
620 | default_abbrev = abbrev; | |
621 | return 0; | |
622 | } | |
623 | ||
960ccca6 | 624 | if (!strcmp(var, "core.loosecompression")) { |
12f6c308 JBH |
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 | zlib_compression_level = level; | |
960ccca6 DH |
631 | zlib_compression_seen = 1; |
632 | return 0; | |
633 | } | |
634 | ||
635 | if (!strcmp(var, "core.compression")) { | |
636 | int level = git_config_int(var, value); | |
637 | if (level == -1) | |
638 | level = Z_DEFAULT_COMPRESSION; | |
639 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
640 | die("bad zlib compression level %d", level); | |
641 | core_compression_level = level; | |
642 | core_compression_seen = 1; | |
643 | if (!zlib_compression_seen) | |
644 | zlib_compression_level = level; | |
12f6c308 JBH |
645 | return 0; |
646 | } | |
647 | ||
60bb8b14 | 648 | if (!strcmp(var, "core.packedgitwindowsize")) { |
5faaf246 | 649 | int pgsz_x2 = getpagesize() * 2; |
ebaa1bd4 | 650 | packed_git_window_size = git_config_ulong(var, value); |
5faaf246 JH |
651 | |
652 | /* This value must be multiple of (pagesize * 2) */ | |
653 | packed_git_window_size /= pgsz_x2; | |
654 | if (packed_git_window_size < 1) | |
655 | packed_git_window_size = 1; | |
656 | packed_git_window_size *= pgsz_x2; | |
60bb8b14 SP |
657 | return 0; |
658 | } | |
659 | ||
15366280 | 660 | if (!strcmp(var, "core.bigfilethreshold")) { |
ebaa1bd4 | 661 | big_file_threshold = git_config_ulong(var, value); |
15366280 JH |
662 | return 0; |
663 | } | |
664 | ||
77ccc5bb | 665 | if (!strcmp(var, "core.packedgitlimit")) { |
ebaa1bd4 | 666 | packed_git_limit = git_config_ulong(var, value); |
77ccc5bb SP |
667 | return 0; |
668 | } | |
669 | ||
18bdec11 | 670 | if (!strcmp(var, "core.deltabasecachelimit")) { |
ebaa1bd4 | 671 | delta_base_cache_limit = git_config_ulong(var, value); |
18bdec11 SP |
672 | return 0; |
673 | } | |
674 | ||
5f44324d JH |
675 | if (!strcmp(var, "core.logpackaccess")) |
676 | return git_config_string(&log_pack_access, var, value); | |
677 | ||
6c510bee | 678 | if (!strcmp(var, "core.autocrlf")) { |
d7f46334 | 679 | if (value && !strcasecmp(value, "input")) { |
ec70f52f | 680 | if (core_eol == EOL_CRLF) |
942e7747 | 681 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
fd6cce9e | 682 | auto_crlf = AUTO_CRLF_INPUT; |
d7f46334 LT |
683 | return 0; |
684 | } | |
6c510bee LT |
685 | auto_crlf = git_config_bool(var, value); |
686 | return 0; | |
687 | } | |
688 | ||
21e5ad50 SP |
689 | if (!strcmp(var, "core.safecrlf")) { |
690 | if (value && !strcasecmp(value, "warn")) { | |
691 | safe_crlf = SAFE_CRLF_WARN; | |
692 | return 0; | |
693 | } | |
694 | safe_crlf = git_config_bool(var, value); | |
695 | return 0; | |
696 | } | |
697 | ||
942e7747 EB |
698 | if (!strcmp(var, "core.eol")) { |
699 | if (value && !strcasecmp(value, "lf")) | |
ec70f52f | 700 | core_eol = EOL_LF; |
942e7747 | 701 | else if (value && !strcasecmp(value, "crlf")) |
ec70f52f | 702 | core_eol = EOL_CRLF; |
942e7747 | 703 | else if (value && !strcasecmp(value, "native")) |
ec70f52f | 704 | core_eol = EOL_NATIVE; |
942e7747 | 705 | else |
ec70f52f JH |
706 | core_eol = EOL_UNSET; |
707 | if (core_eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT) | |
942e7747 EB |
708 | return error("core.autocrlf=input conflicts with core.eol=crlf"); |
709 | return 0; | |
710 | } | |
711 | ||
a97a7468 JS |
712 | if (!strcmp(var, "core.notesref")) { |
713 | notes_ref_name = xstrdup(value); | |
714 | return 0; | |
715 | } | |
716 | ||
806e2ad7 LT |
717 | if (!strcmp(var, "core.pager")) |
718 | return git_config_string(&pager_program, var, value); | |
719 | ||
720 | if (!strcmp(var, "core.editor")) | |
721 | return git_config_string(&editor_program, var, value); | |
722 | ||
eff80a9f JH |
723 | if (!strcmp(var, "core.commentchar")) { |
724 | const char *comment; | |
725 | int ret = git_config_string(&comment, var, value); | |
726 | if (!ret) | |
727 | comment_line_char = comment[0]; | |
728 | return ret; | |
729 | } | |
730 | ||
d3e7da89 AK |
731 | if (!strcmp(var, "core.askpass")) |
732 | return git_config_string(&askpass_program, var, value); | |
733 | ||
806e2ad7 | 734 | if (!strcmp(var, "core.excludesfile")) |
395de250 | 735 | return git_config_pathname(&excludes_file, var, value); |
806e2ad7 LT |
736 | |
737 | if (!strcmp(var, "core.whitespace")) { | |
738 | if (!value) | |
739 | return config_error_nonbool(var); | |
740 | whitespace_rule_cfg = parse_whitespace_rule(value); | |
741 | return 0; | |
742 | } | |
743 | ||
aafe9fba LT |
744 | if (!strcmp(var, "core.fsyncobjectfiles")) { |
745 | fsync_object_files = git_config_bool(var, value); | |
746 | return 0; | |
747 | } | |
748 | ||
671c9b7e LT |
749 | if (!strcmp(var, "core.preloadindex")) { |
750 | core_preload_index = git_config_bool(var, value); | |
751 | return 0; | |
752 | } | |
753 | ||
348df166 JS |
754 | if (!strcmp(var, "core.createobject")) { |
755 | if (!strcmp(value, "rename")) | |
756 | object_creation_mode = OBJECT_CREATION_USES_RENAMES; | |
757 | else if (!strcmp(value, "link")) | |
758 | object_creation_mode = OBJECT_CREATION_USES_HARDLINKS; | |
759 | else | |
760 | die("Invalid mode for object creation: %s", value); | |
be66a6c4 JS |
761 | return 0; |
762 | } | |
763 | ||
08aefc9e NTND |
764 | if (!strcmp(var, "core.sparsecheckout")) { |
765 | core_apply_sparse_checkout = git_config_bool(var, value); | |
766 | return 0; | |
767 | } | |
768 | ||
76759c7d TB |
769 | if (!strcmp(var, "core.precomposeunicode")) { |
770 | precomposed_unicode = git_config_bool(var, value); | |
771 | return 0; | |
772 | } | |
773 | ||
806e2ad7 LT |
774 | /* Add other config variables here and to Documentation/config.txt. */ |
775 | return 0; | |
776 | } | |
777 | ||
1141f492 | 778 | static int git_default_i18n_config(const char *var, const char *value) |
d1364529 | 779 | { |
ea5105a5 CC |
780 | if (!strcmp(var, "i18n.commitencoding")) |
781 | return git_config_string(&git_commit_encoding, var, value); | |
d2c11a38 | 782 | |
ea5105a5 CC |
783 | if (!strcmp(var, "i18n.logoutputencoding")) |
784 | return git_config_string(&git_log_output_encoding, var, value); | |
d2c11a38 | 785 | |
1141f492 LT |
786 | /* Add other config variables here and to Documentation/config.txt. */ |
787 | return 0; | |
788 | } | |
039bc64e | 789 | |
1141f492 LT |
790 | static int git_default_branch_config(const char *var, const char *value) |
791 | { | |
9ed36cfa JS |
792 | if (!strcmp(var, "branch.autosetupmerge")) { |
793 | if (value && !strcasecmp(value, "always")) { | |
794 | git_branch_track = BRANCH_TRACK_ALWAYS; | |
795 | return 0; | |
796 | } | |
797 | git_branch_track = git_config_bool(var, value); | |
798 | return 0; | |
799 | } | |
c998ae9b DS |
800 | if (!strcmp(var, "branch.autosetuprebase")) { |
801 | if (!value) | |
802 | return config_error_nonbool(var); | |
803 | else if (!strcmp(value, "never")) | |
804 | autorebase = AUTOREBASE_NEVER; | |
805 | else if (!strcmp(value, "local")) | |
806 | autorebase = AUTOREBASE_LOCAL; | |
807 | else if (!strcmp(value, "remote")) | |
808 | autorebase = AUTOREBASE_REMOTE; | |
809 | else if (!strcmp(value, "always")) | |
810 | autorebase = AUTOREBASE_ALWAYS; | |
811 | else | |
812 | return error("Malformed value for %s", var); | |
813 | return 0; | |
814 | } | |
a9cc857a | 815 | |
1ab661dd | 816 | /* Add other config variables here and to Documentation/config.txt. */ |
17712991 LT |
817 | return 0; |
818 | } | |
819 | ||
52153747 FAG |
820 | static int git_default_push_config(const char *var, const char *value) |
821 | { | |
822 | if (!strcmp(var, "push.default")) { | |
823 | if (!value) | |
824 | return config_error_nonbool(var); | |
825 | else if (!strcmp(value, "nothing")) | |
826 | push_default = PUSH_DEFAULT_NOTHING; | |
827 | else if (!strcmp(value, "matching")) | |
828 | push_default = PUSH_DEFAULT_MATCHING; | |
b55e6775 MM |
829 | else if (!strcmp(value, "simple")) |
830 | push_default = PUSH_DEFAULT_SIMPLE; | |
53c40311 JH |
831 | else if (!strcmp(value, "upstream")) |
832 | push_default = PUSH_DEFAULT_UPSTREAM; | |
833 | else if (!strcmp(value, "tracking")) /* deprecated */ | |
834 | push_default = PUSH_DEFAULT_UPSTREAM; | |
52153747 FAG |
835 | else if (!strcmp(value, "current")) |
836 | push_default = PUSH_DEFAULT_CURRENT; | |
837 | else { | |
838 | error("Malformed value for %s: %s", var, value); | |
b55e6775 MM |
839 | return error("Must be one of nothing, matching, simple, " |
840 | "upstream or current."); | |
52153747 FAG |
841 | } |
842 | return 0; | |
843 | } | |
844 | ||
845 | /* Add other config variables here and to Documentation/config.txt. */ | |
846 | return 0; | |
847 | } | |
848 | ||
d551a488 MSO |
849 | static int git_default_mailmap_config(const char *var, const char *value) |
850 | { | |
851 | if (!strcmp(var, "mailmap.file")) | |
852 | return git_config_string(&git_mailmap_file, var, value); | |
08610900 JK |
853 | if (!strcmp(var, "mailmap.blob")) |
854 | return git_config_string(&git_mailmap_blob, var, value); | |
d551a488 MSO |
855 | |
856 | /* Add other config variables here and to Documentation/config.txt. */ | |
857 | return 0; | |
858 | } | |
859 | ||
1141f492 LT |
860 | int git_default_config(const char *var, const char *value, void *dummy) |
861 | { | |
862 | if (!prefixcmp(var, "core.")) | |
863 | return git_default_core_config(var, value); | |
864 | ||
865 | if (!prefixcmp(var, "user.")) | |
9597921b | 866 | return git_ident_config(var, value, dummy); |
1141f492 LT |
867 | |
868 | if (!prefixcmp(var, "i18n.")) | |
869 | return git_default_i18n_config(var, value); | |
870 | ||
871 | if (!prefixcmp(var, "branch.")) | |
872 | return git_default_branch_config(var, value); | |
873 | ||
52153747 FAG |
874 | if (!prefixcmp(var, "push.")) |
875 | return git_default_push_config(var, value); | |
876 | ||
d551a488 MSO |
877 | if (!prefixcmp(var, "mailmap.")) |
878 | return git_default_mailmap_config(var, value); | |
879 | ||
75194438 JK |
880 | if (!prefixcmp(var, "advice.")) |
881 | return git_default_advice_config(var, value); | |
882 | ||
1141f492 LT |
883 | if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) { |
884 | pager_use_color = git_config_bool(var,value); | |
885 | return 0; | |
886 | } | |
887 | ||
568508e7 JH |
888 | if (!strcmp(var, "pack.packsizelimit")) { |
889 | pack_size_limit_cfg = git_config_ulong(var, value); | |
890 | return 0; | |
891 | } | |
1141f492 LT |
892 | /* Add other config variables here and to Documentation/config.txt. */ |
893 | return 0; | |
894 | } | |
895 | ||
ca4b5de2 HV |
896 | /* |
897 | * The fields f and name of top need to be initialized before calling | |
898 | * this function. | |
899 | */ | |
900 | static int do_config_from(struct config_file *top, config_fn_t fn, void *data) | |
901 | { | |
902 | int ret; | |
903 | ||
904 | /* push config-file parsing state stack */ | |
905 | top->prev = cf; | |
906 | top->linenr = 1; | |
907 | top->eof = 0; | |
908 | strbuf_init(&top->value, 1024); | |
909 | strbuf_init(&top->var, 1024); | |
910 | cf = top; | |
911 | ||
912 | ret = git_parse_file(fn, data); | |
913 | ||
914 | /* pop config-file parsing state stack */ | |
915 | strbuf_release(&top->value); | |
916 | strbuf_release(&top->var); | |
917 | cf = top->prev; | |
918 | ||
919 | return ret; | |
920 | } | |
921 | ||
ef90d6d4 | 922 | int git_config_from_file(config_fn_t fn, const char *filename, void *data) |
17712991 LT |
923 | { |
924 | int ret; | |
4f629539 | 925 | FILE *f = fopen(filename, "r"); |
17712991 LT |
926 | |
927 | ret = -1; | |
928 | if (f) { | |
924aaf3e RJ |
929 | config_file top; |
930 | ||
924aaf3e RJ |
931 | top.f = f; |
932 | top.name = filename; | |
ca4b5de2 HV |
933 | |
934 | ret = do_config_from(&top, fn, data); | |
924aaf3e | 935 | |
17712991 LT |
936 | fclose(f); |
937 | } | |
938 | return ret; | |
939 | } | |
10bea152 | 940 | |
506b17b1 JS |
941 | const char *git_etc_gitconfig(void) |
942 | { | |
7f0e39fa | 943 | static const char *system_wide; |
2de9de5e SP |
944 | if (!system_wide) |
945 | system_wide = system_path(ETC_GITCONFIG); | |
7f0e39fa | 946 | return system_wide; |
506b17b1 JS |
947 | } |
948 | ||
0ef37164 | 949 | int git_env_bool(const char *k, int def) |
ab88c363 JK |
950 | { |
951 | const char *v = getenv(k); | |
952 | return v ? git_config_bool(k, v) : def; | |
953 | } | |
954 | ||
955 | int git_config_system(void) | |
956 | { | |
957 | return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0); | |
958 | } | |
959 | ||
dbdf5854 | 960 | int git_config_early(config_fn_t fn, void *data, const char *repo_config) |
4f629539 | 961 | { |
aa387407 | 962 | int ret = 0, found = 0; |
21cf3227 HKNN |
963 | char *xdg_config = NULL; |
964 | char *user_config = NULL; | |
965 | ||
966 | home_config_paths(&user_config, &xdg_config, "config"); | |
5f1a63e0 | 967 | |
8f2bbe45 | 968 | if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK)) { |
dc871831 DB |
969 | ret += git_config_from_file(fn, git_etc_gitconfig(), |
970 | data); | |
aa387407 FC |
971 | found += 1; |
972 | } | |
5f1a63e0 | 973 | |
96b9e0e3 | 974 | if (xdg_config && !access_or_die(xdg_config, R_OK)) { |
21cf3227 HKNN |
975 | ret += git_config_from_file(fn, xdg_config, data); |
976 | found += 1; | |
977 | } | |
978 | ||
96b9e0e3 | 979 | if (user_config && !access_or_die(user_config, R_OK)) { |
21cf3227 HKNN |
980 | ret += git_config_from_file(fn, user_config, data); |
981 | found += 1; | |
5f1a63e0 JS |
982 | } |
983 | ||
8f2bbe45 | 984 | if (repo_config && !access_or_die(repo_config, R_OK)) { |
aa387407 FC |
985 | ret += git_config_from_file(fn, repo_config, data); |
986 | found += 1; | |
987 | } | |
8b1fa778 | 988 | |
5a0c9eeb JK |
989 | switch (git_config_from_parameters(fn, data)) { |
990 | case -1: /* error */ | |
1c2c9bee | 991 | die("unable to parse command-line config"); |
5a0c9eeb JK |
992 | break; |
993 | case 0: /* found nothing */ | |
994 | break; | |
995 | default: /* found at least one item */ | |
996 | found++; | |
997 | break; | |
998 | } | |
8b1fa778 | 999 | |
21cf3227 HKNN |
1000 | free(xdg_config); |
1001 | free(user_config); | |
1f2baa78 | 1002 | return ret == 0 ? found : ret; |
4f629539 JH |
1003 | } |
1004 | ||
c9b5e2a5 | 1005 | int git_config_with_options(config_fn_t fn, void *data, |
9b25a0b5 | 1006 | const char *filename, int respect_includes) |
dbdf5854 NTND |
1007 | { |
1008 | char *repo_config = NULL; | |
1009 | int ret; | |
9b25a0b5 JK |
1010 | struct config_include_data inc = CONFIG_INCLUDE_INIT; |
1011 | ||
1012 | if (respect_includes) { | |
1013 | inc.fn = fn; | |
1014 | inc.data = data; | |
1015 | fn = git_config_include; | |
1016 | data = &inc; | |
1017 | } | |
dbdf5854 | 1018 | |
c9b5e2a5 JK |
1019 | /* |
1020 | * If we have a specific filename, use it. Otherwise, follow the | |
1021 | * regular lookup sequence. | |
1022 | */ | |
1023 | if (filename) | |
1024 | return git_config_from_file(fn, filename, data); | |
1025 | ||
dbdf5854 NTND |
1026 | repo_config = git_pathdup("config"); |
1027 | ret = git_config_early(fn, data, repo_config); | |
1028 | if (repo_config) | |
1029 | free(repo_config); | |
1030 | return ret; | |
1031 | } | |
1032 | ||
c9b5e2a5 JK |
1033 | int git_config(config_fn_t fn, void *data) |
1034 | { | |
9b25a0b5 | 1035 | return git_config_with_options(fn, data, NULL, 1); |
c9b5e2a5 JK |
1036 | } |
1037 | ||
10bea152 JS |
1038 | /* |
1039 | * Find all the stuff for git_config_set() below. | |
1040 | */ | |
4ddba79d JS |
1041 | |
1042 | #define MAX_MATCHES 512 | |
1043 | ||
10bea152 JS |
1044 | static struct { |
1045 | int baselen; | |
4b25d091 | 1046 | char *key; |
f98d863d | 1047 | int do_not_match; |
4b25d091 | 1048 | regex_t *value_regex; |
4ddba79d | 1049 | int multi_replace; |
dc49cd76 | 1050 | size_t offset[MAX_MATCHES]; |
10bea152 JS |
1051 | enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state; |
1052 | int seen; | |
1053 | } store; | |
1054 | ||
4b25d091 | 1055 | static int matches(const char *key, const char *value) |
f98d863d JS |
1056 | { |
1057 | return !strcmp(key, store.key) && | |
1058 | (store.value_regex == NULL || | |
1059 | (store.do_not_match ^ | |
1060 | !regexec(store.value_regex, value, 0, NULL, 0))); | |
1061 | } | |
1062 | ||
4b25d091 | 1063 | static int store_aux(const char *key, const char *value, void *cb) |
10bea152 | 1064 | { |
ae9ee41d JH |
1065 | const char *ep; |
1066 | size_t section_len; | |
924aaf3e | 1067 | FILE *f = cf->f; |
ae9ee41d | 1068 | |
10bea152 JS |
1069 | switch (store.state) { |
1070 | case KEY_SEEN: | |
f98d863d | 1071 | if (matches(key, value)) { |
4ddba79d | 1072 | if (store.seen == 1 && store.multi_replace == 0) { |
64c0d71c | 1073 | warning("%s has multiple values", key); |
4ddba79d | 1074 | } else if (store.seen >= MAX_MATCHES) { |
64c0d71c | 1075 | error("too many matches for %s", key); |
4ddba79d | 1076 | return 1; |
10bea152 | 1077 | } |
4ddba79d | 1078 | |
924aaf3e | 1079 | store.offset[store.seen] = ftell(f); |
10bea152 JS |
1080 | store.seen++; |
1081 | } | |
1082 | break; | |
1083 | case SECTION_SEEN: | |
ae9ee41d JH |
1084 | /* |
1085 | * What we are looking for is in store.key (both | |
1086 | * section and var), and its section part is baselen | |
1087 | * long. We found key (again, both section and var). | |
1088 | * We would want to know if this key is in the same | |
1089 | * section as what we are looking for. We already | |
1090 | * know we are in the same section as what should | |
1091 | * hold store.key. | |
1092 | */ | |
1093 | ep = strrchr(key, '.'); | |
1094 | section_len = ep - key; | |
1095 | ||
1096 | if ((section_len != store.baselen) || | |
1097 | memcmp(key, store.key, section_len+1)) { | |
10bea152 JS |
1098 | store.state = SECTION_END_SEEN; |
1099 | break; | |
ae9ee41d JH |
1100 | } |
1101 | ||
1102 | /* | |
1103 | * Do not increment matches: this is no match, but we | |
1104 | * just made sure we are in the desired section. | |
1105 | */ | |
924aaf3e | 1106 | store.offset[store.seen] = ftell(f); |
10bea152 JS |
1107 | /* fallthru */ |
1108 | case SECTION_END_SEEN: | |
1109 | case START: | |
f98d863d | 1110 | if (matches(key, value)) { |
924aaf3e | 1111 | store.offset[store.seen] = ftell(f); |
10bea152 JS |
1112 | store.state = KEY_SEEN; |
1113 | store.seen++; | |
d14f7764 LT |
1114 | } else { |
1115 | if (strrchr(key, '.') - key == store.baselen && | |
bdf0ef08 | 1116 | !strncmp(key, store.key, store.baselen)) { |
93ddef3e | 1117 | store.state = SECTION_SEEN; |
924aaf3e | 1118 | store.offset[store.seen] = ftell(f); |
d14f7764 | 1119 | } |
bdf0ef08 | 1120 | } |
10bea152 JS |
1121 | } |
1122 | return 0; | |
1123 | } | |
1124 | ||
64c0d71c | 1125 | static int write_error(const char *filename) |
480c9e52 | 1126 | { |
64c0d71c | 1127 | error("failed to write new configuration file %s", filename); |
480c9e52 AW |
1128 | |
1129 | /* Same error code as "failed to rename". */ | |
1130 | return 4; | |
1131 | } | |
1132 | ||
4b25d091 | 1133 | static int store_write_section(int fd, const char *key) |
10bea152 | 1134 | { |
cb891a59 KH |
1135 | const char *dot; |
1136 | int i, success; | |
f285a2d7 | 1137 | struct strbuf sb = STRBUF_INIT; |
d14f7764 | 1138 | |
cb891a59 | 1139 | dot = memchr(key, '.', store.baselen); |
d14f7764 | 1140 | if (dot) { |
cb891a59 KH |
1141 | strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key); |
1142 | for (i = dot - key + 1; i < store.baselen; i++) { | |
e5c349ba | 1143 | if (key[i] == '"' || key[i] == '\\') |
cb891a59 KH |
1144 | strbuf_addch(&sb, '\\'); |
1145 | strbuf_addch(&sb, key[i]); | |
d14f7764 | 1146 | } |
cb891a59 KH |
1147 | strbuf_addstr(&sb, "\"]\n"); |
1148 | } else { | |
1149 | strbuf_addf(&sb, "[%.*s]\n", store.baselen, key); | |
d14f7764 LT |
1150 | } |
1151 | ||
cb891a59 KH |
1152 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; |
1153 | strbuf_release(&sb); | |
480c9e52 | 1154 | |
cb891a59 | 1155 | return success; |
10bea152 JS |
1156 | } |
1157 | ||
4b25d091 | 1158 | static int store_write_pair(int fd, const char *key, const char *value) |
10bea152 | 1159 | { |
cb891a59 KH |
1160 | int i, success; |
1161 | int length = strlen(key + store.baselen + 1); | |
1162 | const char *quote = ""; | |
f285a2d7 | 1163 | struct strbuf sb = STRBUF_INIT; |
cdd4fb15 | 1164 | |
6281f394 JM |
1165 | /* |
1166 | * Check to see if the value needs to be surrounded with a dq pair. | |
1167 | * Note that problematic characters are always backslash-quoted; this | |
1168 | * check is about not losing leading or trailing SP and strings that | |
1169 | * follow beginning-of-comment characters (i.e. ';' and '#') by the | |
1170 | * configuration parser. | |
1171 | */ | |
cdd4fb15 | 1172 | if (value[0] == ' ') |
cb891a59 | 1173 | quote = "\""; |
cdd4fb15 BG |
1174 | for (i = 0; value[i]; i++) |
1175 | if (value[i] == ';' || value[i] == '#') | |
cb891a59 KH |
1176 | quote = "\""; |
1177 | if (i && value[i - 1] == ' ') | |
1178 | quote = "\""; | |
1179 | ||
cb891a59 KH |
1180 | strbuf_addf(&sb, "\t%.*s = %s", |
1181 | length, key + store.baselen + 1, quote); | |
10bea152 | 1182 | |
10bea152 JS |
1183 | for (i = 0; value[i]; i++) |
1184 | switch (value[i]) { | |
480c9e52 | 1185 | case '\n': |
cb891a59 | 1186 | strbuf_addstr(&sb, "\\n"); |
480c9e52 AW |
1187 | break; |
1188 | case '\t': | |
cb891a59 | 1189 | strbuf_addstr(&sb, "\\t"); |
480c9e52 AW |
1190 | break; |
1191 | case '"': | |
1192 | case '\\': | |
cb891a59 | 1193 | strbuf_addch(&sb, '\\'); |
480c9e52 | 1194 | default: |
cb891a59 | 1195 | strbuf_addch(&sb, value[i]); |
480c9e52 AW |
1196 | break; |
1197 | } | |
cb891a59 KH |
1198 | strbuf_addf(&sb, "%s\n", quote); |
1199 | ||
1200 | success = write_in_full(fd, sb.buf, sb.len) == sb.len; | |
1201 | strbuf_release(&sb); | |
1202 | ||
1203 | return success; | |
10bea152 JS |
1204 | } |
1205 | ||
4b25d091 FC |
1206 | static ssize_t find_beginning_of_line(const char *contents, size_t size, |
1207 | size_t offset_, int *found_bracket) | |
4ddba79d | 1208 | { |
dc49cd76 SP |
1209 | size_t equal_offset = size, bracket_offset = size; |
1210 | ssize_t offset; | |
4ddba79d | 1211 | |
7a31cc0f | 1212 | contline: |
a6080a0a | 1213 | for (offset = offset_-2; offset > 0 |
4ddba79d JS |
1214 | && contents[offset] != '\n'; offset--) |
1215 | switch (contents[offset]) { | |
1216 | case '=': equal_offset = offset; break; | |
1217 | case ']': bracket_offset = offset; break; | |
1218 | } | |
7a31cc0f FL |
1219 | if (offset > 0 && contents[offset-1] == '\\') { |
1220 | offset_ = offset; | |
1221 | goto contline; | |
1222 | } | |
4ddba79d JS |
1223 | if (bracket_offset < equal_offset) { |
1224 | *found_bracket = 1; | |
1225 | offset = bracket_offset+1; | |
1226 | } else | |
1227 | offset++; | |
1228 | ||
1229 | return offset; | |
1230 | } | |
1231 | ||
5ec31182 RR |
1232 | int git_config_set_in_file(const char *config_filename, |
1233 | const char *key, const char *value) | |
1234 | { | |
1235 | return git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); | |
1236 | } | |
1237 | ||
4b25d091 | 1238 | int git_config_set(const char *key, const char *value) |
10bea152 | 1239 | { |
4ddba79d | 1240 | return git_config_set_multivar(key, value, NULL, 0); |
10bea152 JS |
1241 | } |
1242 | ||
b09c53a3 LP |
1243 | /* |
1244 | * Auxiliary function to sanity-check and split the key into the section | |
1245 | * identifier and variable name. | |
1246 | * | |
1247 | * Returns 0 on success, -1 when there is an invalid character in the key and | |
1248 | * -2 if there is no section name in the key. | |
1249 | * | |
1250 | * store_key - pointer to char* which will hold a copy of the key with | |
1251 | * lowercase section and variable name | |
1252 | * baselen - pointer to int which will hold the length of the | |
1253 | * section + subsection part, can be NULL | |
1254 | */ | |
1255 | int git_config_parse_key(const char *key, char **store_key, int *baselen_) | |
1256 | { | |
1257 | int i, dot, baselen; | |
1258 | const char *last_dot = strrchr(key, '.'); | |
1259 | ||
1260 | /* | |
1261 | * Since "key" actually contains the section name and the real | |
1262 | * key name separated by a dot, we have to know where the dot is. | |
1263 | */ | |
1264 | ||
2169ddc0 | 1265 | if (last_dot == NULL || last_dot == key) { |
b09c53a3 | 1266 | error("key does not contain a section: %s", key); |
7a397419 | 1267 | return -CONFIG_NO_SECTION_OR_NAME; |
b09c53a3 LP |
1268 | } |
1269 | ||
2169ddc0 LP |
1270 | if (!last_dot[1]) { |
1271 | error("key does not contain variable name: %s", key); | |
7a397419 | 1272 | return -CONFIG_NO_SECTION_OR_NAME; |
2169ddc0 LP |
1273 | } |
1274 | ||
b09c53a3 LP |
1275 | baselen = last_dot - key; |
1276 | if (baselen_) | |
1277 | *baselen_ = baselen; | |
1278 | ||
1279 | /* | |
1280 | * Validate the key and while at it, lower case it for matching. | |
1281 | */ | |
1282 | *store_key = xmalloc(strlen(key) + 1); | |
1283 | ||
1284 | dot = 0; | |
1285 | for (i = 0; key[i]; i++) { | |
1286 | unsigned char c = key[i]; | |
1287 | if (c == '.') | |
1288 | dot = 1; | |
1289 | /* Leave the extended basename untouched.. */ | |
1290 | if (!dot || i > baselen) { | |
1291 | if (!iskeychar(c) || | |
1292 | (i == baselen + 1 && !isalpha(c))) { | |
1293 | error("invalid key: %s", key); | |
1294 | goto out_free_ret_1; | |
1295 | } | |
1296 | c = tolower(c); | |
1297 | } else if (c == '\n') { | |
1298 | error("invalid key (newline): %s", key); | |
1299 | goto out_free_ret_1; | |
1300 | } | |
1301 | (*store_key)[i] = c; | |
1302 | } | |
1303 | (*store_key)[i] = 0; | |
1304 | ||
1305 | return 0; | |
1306 | ||
1307 | out_free_ret_1: | |
1308 | free(*store_key); | |
97ed50f9 | 1309 | *store_key = NULL; |
7a397419 | 1310 | return -CONFIG_INVALID_KEY; |
b09c53a3 LP |
1311 | } |
1312 | ||
10bea152 JS |
1313 | /* |
1314 | * If value==NULL, unset in (remove from) config, | |
1315 | * if value_regex!=NULL, disregard key/value pairs where value does not match. | |
4ddba79d JS |
1316 | * if multi_replace==0, nothing, or only one matching key/value is replaced, |
1317 | * else all matching key/values (regardless how many) are removed, | |
1318 | * before the new pair is written. | |
10bea152 JS |
1319 | * |
1320 | * Returns 0 on success. | |
1321 | * | |
1322 | * This function does this: | |
1323 | * | |
1324 | * - it locks the config file by creating ".git/config.lock" | |
1325 | * | |
1326 | * - it then parses the config using store_aux() as validator to find | |
1327 | * the position on the key/value pair to replace. If it is to be unset, | |
1328 | * it must be found exactly once. | |
1329 | * | |
1330 | * - the config file is mmap()ed and the part before the match (if any) is | |
1331 | * written to the lock file, then the changed part and the rest. | |
1332 | * | |
1333 | * - the config file is removed and the lock file rename()d to it. | |
1334 | * | |
1335 | */ | |
5ec31182 RR |
1336 | int git_config_set_multivar_in_file(const char *config_filename, |
1337 | const char *key, const char *value, | |
1338 | const char *value_regex, int multi_replace) | |
10bea152 | 1339 | { |
f8ba655e | 1340 | int fd = -1, in_fd; |
dafc88b1 | 1341 | int ret; |
6cbf973c | 1342 | struct lock_file *lock = NULL; |
0a5f5759 | 1343 | char *filename_buf = NULL; |
4ddba79d | 1344 | |
b09c53a3 LP |
1345 | /* parse-key returns negative; flip the sign to feed exit(3) */ |
1346 | ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); | |
1347 | if (ret) | |
dafc88b1 | 1348 | goto out_free; |
b17e659d JS |
1349 | |
1350 | store.multi_replace = multi_replace; | |
10bea152 | 1351 | |
0a5f5759 JK |
1352 | if (!config_filename) |
1353 | config_filename = filename_buf = git_pathdup("config"); | |
10bea152 JS |
1354 | |
1355 | /* | |
6cbf973c | 1356 | * The lock serves a purpose in addition to locking: the new |
10bea152 JS |
1357 | * contents of .git/config will be written into it. |
1358 | */ | |
6cbf973c BS |
1359 | lock = xcalloc(sizeof(struct lock_file), 1); |
1360 | fd = hold_lock_file_for_update(lock, config_filename, 0); | |
1361 | if (fd < 0) { | |
6ffd567b | 1362 | error("could not lock config file %s: %s", config_filename, strerror(errno)); |
10bea152 | 1363 | free(store.key); |
7a397419 | 1364 | ret = CONFIG_NO_LOCK; |
dafc88b1 | 1365 | goto out_free; |
10bea152 JS |
1366 | } |
1367 | ||
1368 | /* | |
1369 | * If .git/config does not exist yet, write a minimal version. | |
1370 | */ | |
88fb958b AR |
1371 | in_fd = open(config_filename, O_RDONLY); |
1372 | if ( in_fd < 0 ) { | |
10bea152 JS |
1373 | free(store.key); |
1374 | ||
88fb958b AR |
1375 | if ( ENOENT != errno ) { |
1376 | error("opening %s: %s", config_filename, | |
1377 | strerror(errno)); | |
7a397419 | 1378 | ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */ |
dafc88b1 | 1379 | goto out_free; |
88fb958b | 1380 | } |
10bea152 JS |
1381 | /* if nothing to unset, error out */ |
1382 | if (value == NULL) { | |
7a397419 | 1383 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 1384 | goto out_free; |
10bea152 JS |
1385 | } |
1386 | ||
4b25d091 | 1387 | store.key = (char *)key; |
480c9e52 | 1388 | if (!store_write_section(fd, key) || |
93c1e079 JH |
1389 | !store_write_pair(fd, key, value)) |
1390 | goto write_err_out; | |
1391 | } else { | |
88fb958b | 1392 | struct stat st; |
4b25d091 | 1393 | char *contents; |
dc49cd76 SP |
1394 | size_t contents_sz, copy_begin, copy_end; |
1395 | int i, new_line = 0; | |
10bea152 JS |
1396 | |
1397 | if (value_regex == NULL) | |
1398 | store.value_regex = NULL; | |
1399 | else { | |
f98d863d JS |
1400 | if (value_regex[0] == '!') { |
1401 | store.do_not_match = 1; | |
1402 | value_regex++; | |
1403 | } else | |
1404 | store.do_not_match = 0; | |
1405 | ||
2d7320d0 | 1406 | store.value_regex = (regex_t*)xmalloc(sizeof(regex_t)); |
10bea152 JS |
1407 | if (regcomp(store.value_regex, value_regex, |
1408 | REG_EXTENDED)) { | |
64c0d71c | 1409 | error("invalid pattern: %s", value_regex); |
10bea152 | 1410 | free(store.value_regex); |
7a397419 | 1411 | ret = CONFIG_INVALID_PATTERN; |
dafc88b1 | 1412 | goto out_free; |
10bea152 JS |
1413 | } |
1414 | } | |
1415 | ||
4ddba79d | 1416 | store.offset[0] = 0; |
10bea152 JS |
1417 | store.state = START; |
1418 | store.seen = 0; | |
1419 | ||
1420 | /* | |
1421 | * After this, store.offset will contain the *end* offset | |
1422 | * of the last match, or remain at 0 if no match was found. | |
1423 | * As a side effect, we make sure to transform only a valid | |
1424 | * existing config file. | |
1425 | */ | |
ef90d6d4 | 1426 | if (git_config_from_file(store_aux, config_filename, NULL)) { |
64c0d71c | 1427 | error("invalid config file %s", config_filename); |
10bea152 JS |
1428 | free(store.key); |
1429 | if (store.value_regex != NULL) { | |
1430 | regfree(store.value_regex); | |
1431 | free(store.value_regex); | |
1432 | } | |
7a397419 | 1433 | ret = CONFIG_INVALID_FILE; |
dafc88b1 | 1434 | goto out_free; |
10bea152 JS |
1435 | } |
1436 | ||
1437 | free(store.key); | |
1438 | if (store.value_regex != NULL) { | |
1439 | regfree(store.value_regex); | |
1440 | free(store.value_regex); | |
1441 | } | |
1442 | ||
4ddba79d JS |
1443 | /* if nothing to unset, or too many matches, error out */ |
1444 | if ((store.seen == 0 && value == NULL) || | |
1445 | (store.seen > 1 && multi_replace == 0)) { | |
7a397419 | 1446 | ret = CONFIG_NOTHING_SET; |
dafc88b1 | 1447 | goto out_free; |
10bea152 JS |
1448 | } |
1449 | ||
88fb958b | 1450 | fstat(in_fd, &st); |
dc49cd76 SP |
1451 | contents_sz = xsize_t(st.st_size); |
1452 | contents = xmmap(NULL, contents_sz, PROT_READ, | |
10bea152 JS |
1453 | MAP_PRIVATE, in_fd, 0); |
1454 | close(in_fd); | |
1455 | ||
4ddba79d JS |
1456 | if (store.seen == 0) |
1457 | store.seen = 1; | |
1458 | ||
1459 | for (i = 0, copy_begin = 0; i < store.seen; i++) { | |
1460 | if (store.offset[i] == 0) { | |
dc49cd76 | 1461 | store.offset[i] = copy_end = contents_sz; |
4ddba79d JS |
1462 | } else if (store.state != KEY_SEEN) { |
1463 | copy_end = store.offset[i]; | |
10bea152 | 1464 | } else |
4ddba79d | 1465 | copy_end = find_beginning_of_line( |
dc49cd76 | 1466 | contents, contents_sz, |
4ddba79d JS |
1467 | store.offset[i]-2, &new_line); |
1468 | ||
02e5ba4a JK |
1469 | if (copy_end > 0 && contents[copy_end-1] != '\n') |
1470 | new_line = 1; | |
1471 | ||
4ddba79d JS |
1472 | /* write the first part of the config */ |
1473 | if (copy_end > copy_begin) { | |
93c1e079 JH |
1474 | if (write_in_full(fd, contents + copy_begin, |
1475 | copy_end - copy_begin) < | |
1476 | copy_end - copy_begin) | |
1477 | goto write_err_out; | |
1478 | if (new_line && | |
2b7ca830 | 1479 | write_str_in_full(fd, "\n") != 1) |
93c1e079 | 1480 | goto write_err_out; |
4ddba79d JS |
1481 | } |
1482 | copy_begin = store.offset[i]; | |
10bea152 JS |
1483 | } |
1484 | ||
10bea152 JS |
1485 | /* write the pair (value == NULL means unset) */ |
1486 | if (value != NULL) { | |
93c1e079 JH |
1487 | if (store.state == START) { |
1488 | if (!store_write_section(fd, key)) | |
1489 | goto write_err_out; | |
480c9e52 | 1490 | } |
93c1e079 JH |
1491 | if (!store_write_pair(fd, key, value)) |
1492 | goto write_err_out; | |
10bea152 JS |
1493 | } |
1494 | ||
1495 | /* write the rest of the config */ | |
dc49cd76 | 1496 | if (copy_begin < contents_sz) |
93c1e079 | 1497 | if (write_in_full(fd, contents + copy_begin, |
dc49cd76 SP |
1498 | contents_sz - copy_begin) < |
1499 | contents_sz - copy_begin) | |
93c1e079 | 1500 | goto write_err_out; |
10bea152 | 1501 | |
dc49cd76 | 1502 | munmap(contents, contents_sz); |
10bea152 JS |
1503 | } |
1504 | ||
4ed7cd3a | 1505 | if (commit_lock_file(lock) < 0) { |
64c0d71c | 1506 | error("could not commit config file %s", config_filename); |
7a397419 | 1507 | ret = CONFIG_NO_WRITE; |
dafc88b1 | 1508 | goto out_free; |
10bea152 JS |
1509 | } |
1510 | ||
6cbf973c BS |
1511 | /* |
1512 | * lock is committed, so don't try to roll it back below. | |
1513 | * NOTE: Since lockfile.c keeps a linked list of all created | |
1514 | * lock_file structures, it isn't safe to free(lock). It's | |
1515 | * better to just leave it hanging around. | |
1516 | */ | |
1517 | lock = NULL; | |
dafc88b1 SH |
1518 | ret = 0; |
1519 | ||
1520 | out_free: | |
6cbf973c BS |
1521 | if (lock) |
1522 | rollback_lock_file(lock); | |
0a5f5759 | 1523 | free(filename_buf); |
dafc88b1 | 1524 | return ret; |
93c1e079 JH |
1525 | |
1526 | write_err_out: | |
64c0d71c | 1527 | ret = write_error(lock->filename); |
93c1e079 JH |
1528 | goto out_free; |
1529 | ||
10bea152 JS |
1530 | } |
1531 | ||
5ec31182 RR |
1532 | int git_config_set_multivar(const char *key, const char *value, |
1533 | const char *value_regex, int multi_replace) | |
1534 | { | |
4a7bb5ba | 1535 | return git_config_set_multivar_in_file(NULL, key, value, value_regex, |
0a5f5759 | 1536 | multi_replace); |
5ec31182 RR |
1537 | } |
1538 | ||
118f8b24 PB |
1539 | static int section_name_match (const char *buf, const char *name) |
1540 | { | |
1541 | int i = 0, j = 0, dot = 0; | |
a4c0d463 AV |
1542 | if (buf[i] != '[') |
1543 | return 0; | |
1544 | for (i = 1; buf[i] && buf[i] != ']'; i++) { | |
118f8b24 PB |
1545 | if (!dot && isspace(buf[i])) { |
1546 | dot = 1; | |
1547 | if (name[j++] != '.') | |
1548 | break; | |
1549 | for (i++; isspace(buf[i]); i++) | |
1550 | ; /* do nothing */ | |
1551 | if (buf[i] != '"') | |
1552 | break; | |
1553 | continue; | |
1554 | } | |
1555 | if (buf[i] == '\\' && dot) | |
1556 | i++; | |
1557 | else if (buf[i] == '"' && dot) { | |
1558 | for (i++; isspace(buf[i]); i++) | |
1559 | ; /* do_nothing */ | |
1560 | break; | |
1561 | } | |
1562 | if (buf[i] != name[j++]) | |
1563 | break; | |
1564 | } | |
a4c0d463 AV |
1565 | if (buf[i] == ']' && name[j] == 0) { |
1566 | /* | |
1567 | * We match, now just find the right length offset by | |
1568 | * gobbling up any whitespace after it, as well | |
1569 | */ | |
1570 | i++; | |
1571 | for (; buf[i] && isspace(buf[i]); i++) | |
1572 | ; /* do nothing */ | |
1573 | return i; | |
1574 | } | |
1575 | return 0; | |
118f8b24 PB |
1576 | } |
1577 | ||
94a35b1a JK |
1578 | static int section_name_is_ok(const char *name) |
1579 | { | |
1580 | /* Empty section names are bogus. */ | |
1581 | if (!*name) | |
1582 | return 0; | |
1583 | ||
1584 | /* | |
1585 | * Before a dot, we must be alphanumeric or dash. After the first dot, | |
1586 | * anything goes, so we can stop checking. | |
1587 | */ | |
1588 | for (; *name && *name != '.'; name++) | |
1589 | if (*name != '-' && !isalnum(*name)) | |
1590 | return 0; | |
1591 | return 1; | |
1592 | } | |
1593 | ||
118f8b24 | 1594 | /* if new_name == NULL, the section is removed instead */ |
42bd39b5 JK |
1595 | int git_config_rename_section_in_file(const char *config_filename, |
1596 | const char *old_name, const char *new_name) | |
0667fcfb | 1597 | { |
118f8b24 | 1598 | int ret = 0, remove = 0; |
42bd39b5 | 1599 | char *filename_buf = NULL; |
94a35b1a | 1600 | struct lock_file *lock; |
0667fcfb JS |
1601 | int out_fd; |
1602 | char buf[1024]; | |
924aaf3e | 1603 | FILE *config_file; |
0667fcfb | 1604 | |
94a35b1a JK |
1605 | if (new_name && !section_name_is_ok(new_name)) { |
1606 | ret = error("invalid section name: %s", new_name); | |
1607 | goto out; | |
1608 | } | |
1609 | ||
42bd39b5 JK |
1610 | if (!config_filename) |
1611 | config_filename = filename_buf = git_pathdup("config"); | |
1612 | ||
94a35b1a | 1613 | lock = xcalloc(sizeof(struct lock_file), 1); |
0667fcfb | 1614 | out_fd = hold_lock_file_for_update(lock, config_filename, 0); |
fc1905bb | 1615 | if (out_fd < 0) { |
64c0d71c | 1616 | ret = error("could not lock config file %s", config_filename); |
fc1905bb JH |
1617 | goto out; |
1618 | } | |
0667fcfb | 1619 | |
fc1905bb | 1620 | if (!(config_file = fopen(config_filename, "rb"))) { |
01ebb9dc GB |
1621 | /* no config file means nothing to rename, no error */ |
1622 | goto unlock_and_out; | |
fc1905bb | 1623 | } |
0667fcfb JS |
1624 | |
1625 | while (fgets(buf, sizeof(buf), config_file)) { | |
1626 | int i; | |
480c9e52 | 1627 | int length; |
9a5abfc7 | 1628 | char *output = buf; |
0667fcfb JS |
1629 | for (i = 0; buf[i] && isspace(buf[i]); i++) |
1630 | ; /* do nothing */ | |
1631 | if (buf[i] == '[') { | |
1632 | /* it's a section */ | |
a4c0d463 AV |
1633 | int offset = section_name_match(&buf[i], old_name); |
1634 | if (offset > 0) { | |
118f8b24 PB |
1635 | ret++; |
1636 | if (new_name == NULL) { | |
1637 | remove = 1; | |
0667fcfb JS |
1638 | continue; |
1639 | } | |
0667fcfb | 1640 | store.baselen = strlen(new_name); |
480c9e52 | 1641 | if (!store_write_section(out_fd, new_name)) { |
64c0d71c | 1642 | ret = write_error(lock->filename); |
480c9e52 AW |
1643 | goto out; |
1644 | } | |
9a5abfc7 AV |
1645 | /* |
1646 | * We wrote out the new section, with | |
1647 | * a newline, now skip the old | |
1648 | * section's length | |
1649 | */ | |
1650 | output += offset + i; | |
1651 | if (strlen(output) > 0) { | |
1652 | /* | |
1653 | * More content means there's | |
1654 | * a declaration to put on the | |
1655 | * next line; indent with a | |
1656 | * tab | |
1657 | */ | |
1658 | output -= 1; | |
1659 | output[0] = '\t'; | |
1660 | } | |
0667fcfb | 1661 | } |
118f8b24 | 1662 | remove = 0; |
0667fcfb | 1663 | } |
118f8b24 PB |
1664 | if (remove) |
1665 | continue; | |
9a5abfc7 AV |
1666 | length = strlen(output); |
1667 | if (write_in_full(out_fd, output, length) != length) { | |
64c0d71c | 1668 | ret = write_error(lock->filename); |
480c9e52 AW |
1669 | goto out; |
1670 | } | |
0667fcfb | 1671 | } |
fc1905bb | 1672 | fclose(config_file); |
8b590075 | 1673 | unlock_and_out: |
4ed7cd3a | 1674 | if (commit_lock_file(lock) < 0) |
64c0d71c | 1675 | ret = error("could not commit config file %s", config_filename); |
8b590075 | 1676 | out: |
42bd39b5 | 1677 | free(filename_buf); |
0667fcfb JS |
1678 | return ret; |
1679 | } | |
40ea4ed9 | 1680 | |
42bd39b5 JK |
1681 | int git_config_rename_section(const char *old_name, const char *new_name) |
1682 | { | |
4a7bb5ba | 1683 | return git_config_rename_section_in_file(NULL, old_name, new_name); |
42bd39b5 JK |
1684 | } |
1685 | ||
40ea4ed9 JH |
1686 | /* |
1687 | * Call this to report error for your variable that should not | |
1688 | * get a boolean value (i.e. "[my] var" means "true"). | |
1689 | */ | |
a469a101 | 1690 | #undef config_error_nonbool |
40ea4ed9 JH |
1691 | int config_error_nonbool(const char *var) |
1692 | { | |
1693 | return error("Missing value for '%s'", var); | |
1694 | } | |
1b86bbb0 JK |
1695 | |
1696 | int parse_config_key(const char *var, | |
1697 | const char *section, | |
1698 | const char **subsection, int *subsection_len, | |
1699 | const char **key) | |
1700 | { | |
1701 | int section_len = strlen(section); | |
1702 | const char *dot; | |
1703 | ||
1704 | /* Does it start with "section." ? */ | |
1705 | if (prefixcmp(var, section) || var[section_len] != '.') | |
1706 | return -1; | |
1707 | ||
1708 | /* | |
1709 | * Find the key; we don't know yet if we have a subsection, but we must | |
1710 | * parse backwards from the end, since the subsection may have dots in | |
1711 | * it, too. | |
1712 | */ | |
1713 | dot = strrchr(var, '.'); | |
1714 | *key = dot + 1; | |
1715 | ||
1716 | /* Did we have a subsection at all? */ | |
1717 | if (dot == var + section_len) { | |
1718 | *subsection = NULL; | |
1719 | *subsection_len = 0; | |
1720 | } | |
1721 | else { | |
1722 | *subsection = var + section_len + 1; | |
1723 | *subsection_len = dot - *subsection; | |
1724 | } | |
1725 | ||
1726 | return 0; | |
1727 | } |