Git 1.7.2
[git/git.git] / config.c
CommitLineData
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"
17712991
LT
11
12#define MAXNAME (256)
13
14static FILE *config_file;
0dccc7dc 15static const char *config_file_name;
17712991 16static int config_linenr;
02e5ba4a 17static int config_file_eof;
960ccca6
DH
18static int zlib_compression_seen;
19
dc871831
DB
20const char *config_exclusive_filename = NULL;
21
8b1fa778
AR
22struct config_item
23{
24 struct config_item *next;
572e4f6a 25 char *name;
8b1fa778 26 char *value;
8b1fa778
AR
27};
28static struct config_item *config_parameters;
29static struct config_item **config_parameters_tail = &config_parameters;
30
31static void lowercase(char *p)
32{
33 for (; *p; p++)
34 *p = tolower(*p);
35}
8b1fa778
AR
36
37int git_config_parse_parameter(const char *text)
38{
39 struct config_item *ct;
572e4f6a
AR
40 struct strbuf tmp = STRBUF_INIT;
41 struct strbuf **pair;
42 strbuf_addstr(&tmp, text);
43 pair = strbuf_split(&tmp, '=');
44 if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=')
45 strbuf_setlen(pair[0], pair[0]->len - 1);
46 strbuf_trim(pair[0]);
47 if (!pair[0]->len) {
48 strbuf_list_free(pair);
8b1fa778 49 return -1;
8b1fa778 50 }
572e4f6a
AR
51 ct = xcalloc(1, sizeof(struct config_item));
52 ct->name = strbuf_detach(pair[0], NULL);
53 if (pair[1]) {
54 strbuf_trim(pair[1]);
55 ct->value = strbuf_detach(pair[1], NULL);
56 }
57 strbuf_list_free(pair);
58 lowercase(ct->name);
8b1fa778
AR
59 *config_parameters_tail = ct;
60 config_parameters_tail = &ct->next;
61 return 0;
62}
63
17712991
LT
64static int get_next_char(void)
65{
66 int c;
67 FILE *f;
68
69 c = '\n';
70 if ((f = config_file) != NULL) {
71 c = fgetc(f);
db2c075d
JH
72 if (c == '\r') {
73 /* DOS like systems */
74 c = fgetc(f);
75 if (c != '\n') {
76 ungetc(c, f);
77 c = '\r';
78 }
79 }
17712991
LT
80 if (c == '\n')
81 config_linenr++;
82 if (c == EOF) {
02e5ba4a 83 config_file_eof = 1;
17712991
LT
84 c = '\n';
85 }
86 }
87 return c;
88}
89
90static char *parse_value(void)
91{
92 static char value[1024];
93 int quote = 0, comment = 0, len = 0, space = 0;
94
95 for (;;) {
96 int c = get_next_char();
e0b3cc0d 97 if (len >= sizeof(value) - 1)
17712991
LT
98 return NULL;
99 if (c == '\n') {
100 if (quote)
101 return NULL;
102 value[len] = 0;
103 return value;
104 }
105 if (comment)
106 continue;
107 if (isspace(c) && !quote) {
ebdaae37
BS
108 if (len)
109 space++;
17712991
LT
110 continue;
111 }
7ebdba61
JS
112 if (!quote) {
113 if (c == ';' || c == '#') {
114 comment = 1;
115 continue;
116 }
117 }
ebdaae37
BS
118 for (; space; space--)
119 value[len++] = ' ';
17712991
LT
120 if (c == '\\') {
121 c = get_next_char();
122 switch (c) {
123 case '\n':
124 continue;
125 case 't':
126 c = '\t';
127 break;
128 case 'b':
129 c = '\b';
130 break;
131 case 'n':
132 c = '\n';
133 break;
5cbb401d
LT
134 /* Some characters escape as themselves */
135 case '\\': case '"':
136 break;
137 /* Reject unknown escape sequences */
138 default:
139 return NULL;
17712991
LT
140 }
141 value[len++] = c;
142 continue;
143 }
144 if (c == '"') {
145 quote = 1-quote;
146 continue;
147 }
17712991
LT
148 value[len++] = c;
149 }
150}
151
38c5afa8
LT
152static inline int iskeychar(int c)
153{
154 return isalnum(c) || c == '-';
155}
156
ef90d6d4 157static int get_value(config_fn_t fn, void *data, char *name, unsigned int len)
17712991
LT
158{
159 int c;
160 char *value;
161
162 /* Get the full name */
163 for (;;) {
164 c = get_next_char();
02e5ba4a 165 if (config_file_eof)
17712991 166 break;
38c5afa8 167 if (!iskeychar(c))
17712991
LT
168 break;
169 name[len++] = tolower(c);
170 if (len >= MAXNAME)
171 return -1;
172 }
173 name[len] = 0;
174 while (c == ' ' || c == '\t')
175 c = get_next_char();
176
177 value = NULL;
178 if (c != '\n') {
179 if (c != '=')
180 return -1;
181 value = parse_value();
182 if (!value)
183 return -1;
184 }
ef90d6d4 185 return fn(name, value, data);
17712991
LT
186}
187
d14f7764
LT
188static int get_extended_base_var(char *name, int baselen, int c)
189{
190 do {
191 if (c == '\n')
192 return -1;
193 c = get_next_char();
194 } while (isspace(c));
195
196 /* We require the format to be '[base "extension"]' */
197 if (c != '"')
198 return -1;
199 name[baselen++] = '.';
200
201 for (;;) {
202 int c = get_next_char();
203 if (c == '\n')
204 return -1;
205 if (c == '"')
206 break;
207 if (c == '\\') {
208 c = get_next_char();
209 if (c == '\n')
210 return -1;
211 }
212 name[baselen++] = c;
213 if (baselen > MAXNAME / 2)
214 return -1;
215 }
216
217 /* Final ']' */
218 if (get_next_char() != ']')
219 return -1;
220 return baselen;
221}
222
17712991
LT
223static int get_base_var(char *name)
224{
225 int baselen = 0;
226
227 for (;;) {
228 int c = get_next_char();
02e5ba4a 229 if (config_file_eof)
17712991
LT
230 return -1;
231 if (c == ']')
232 return baselen;
d14f7764
LT
233 if (isspace(c))
234 return get_extended_base_var(name, baselen, c);
38c5afa8 235 if (!iskeychar(c) && c != '.')
17712991
LT
236 return -1;
237 if (baselen > MAXNAME / 2)
238 return -1;
239 name[baselen++] = tolower(c);
240 }
241}
242
ef90d6d4 243static int git_parse_file(config_fn_t fn, void *data)
17712991
LT
244{
245 int comment = 0;
246 int baselen = 0;
247 static char var[MAXNAME];
248
de056402
PB
249 /* U+FEFF Byte Order Mark in UTF8 */
250 static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf";
251 const unsigned char *bomptr = utf8_bom;
252
17712991
LT
253 for (;;) {
254 int c = get_next_char();
de056402
PB
255 if (bomptr && *bomptr) {
256 /* We are at the file beginning; skip UTF8-encoded BOM
257 * if present. Sane editors won't put this in on their
258 * own, but e.g. Windows Notepad will do it happily. */
259 if ((unsigned char) c == *bomptr) {
260 bomptr++;
261 continue;
262 } else {
263 /* Do not tolerate partial BOM. */
264 if (bomptr != utf8_bom)
265 break;
266 /* No BOM at file beginning. Cool. */
267 bomptr = NULL;
268 }
269 }
17712991 270 if (c == '\n') {
02e5ba4a 271 if (config_file_eof)
17712991
LT
272 return 0;
273 comment = 0;
274 continue;
275 }
276 if (comment || isspace(c))
277 continue;
278 if (c == '#' || c == ';') {
279 comment = 1;
280 continue;
281 }
282 if (c == '[') {
283 baselen = get_base_var(var);
284 if (baselen <= 0)
285 break;
286 var[baselen++] = '.';
287 var[baselen] = 0;
288 continue;
289 }
290 if (!isalpha(c))
291 break;
128af9d1 292 var[baselen] = tolower(c);
ef90d6d4 293 if (get_value(fn, data, var, baselen+1) < 0)
17712991
LT
294 break;
295 }
4f629539 296 die("bad config file line %d in %s", config_linenr, config_file_name);
17712991
LT
297}
298
c8deb5a1 299static int parse_unit_factor(const char *end, unsigned long *val)
0b87b6e0
BD
300{
301 if (!*end)
302 return 1;
c8deb5a1
SP
303 else if (!strcasecmp(end, "k")) {
304 *val *= 1024;
305 return 1;
306 }
307 else if (!strcasecmp(end, "m")) {
308 *val *= 1024 * 1024;
309 return 1;
310 }
311 else if (!strcasecmp(end, "g")) {
312 *val *= 1024 * 1024 * 1024;
313 return 1;
314 }
315 return 0;
0b87b6e0
BD
316}
317
0433bcd9 318static int git_parse_long(const char *value, long *ret)
0b87b6e0
BD
319{
320 if (value && *value) {
321 char *end;
322 long val = strtol(value, &end, 0);
c8deb5a1
SP
323 unsigned long factor = 1;
324 if (!parse_unit_factor(end, &factor))
325 return 0;
326 *ret = val * factor;
0b87b6e0
BD
327 return 1;
328 }
329 return 0;
330}
331
332int git_parse_ulong(const char *value, unsigned long *ret)
17712991
LT
333{
334 if (value && *value) {
335 char *end;
0b87b6e0 336 unsigned long val = strtoul(value, &end, 0);
c8deb5a1
SP
337 if (!parse_unit_factor(end, &val))
338 return 0;
339 *ret = val;
0b87b6e0 340 return 1;
17712991 341 }
0b87b6e0
BD
342 return 0;
343}
344
c1867cea
JK
345static void die_bad_config(const char *name)
346{
347 if (config_file_name)
348 die("bad config value for '%s' in %s", name, config_file_name);
349 die("bad config value for '%s'", name);
350}
351
0b87b6e0
BD
352int git_config_int(const char *name, const char *value)
353{
0433bcd9 354 long ret = 0;
0b87b6e0 355 if (!git_parse_long(value, &ret))
c1867cea 356 die_bad_config(name);
0b87b6e0
BD
357 return ret;
358}
359
360unsigned long git_config_ulong(const char *name, const char *value)
361{
362 unsigned long ret;
363 if (!git_parse_ulong(value, &ret))
c1867cea 364 die_bad_config(name);
0b87b6e0 365 return ret;
17712991
LT
366}
367
8420ccd8 368int git_config_maybe_bool(const char *name, const char *value)
17712991
LT
369{
370 if (!value)
371 return 1;
372 if (!*value)
373 return 0;
8420ccd8
JH
374 if (!strcasecmp(value, "true")
375 || !strcasecmp(value, "yes")
376 || !strcasecmp(value, "on"))
17712991 377 return 1;
8420ccd8
JH
378 if (!strcasecmp(value, "false")
379 || !strcasecmp(value, "no")
380 || !strcasecmp(value, "off"))
17712991 381 return 0;
8420ccd8
JH
382 return -1;
383}
384
385int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
386{
387 int v = git_config_maybe_bool(name, value);
388 if (0 <= v) {
389 *is_bool = 1;
390 return v;
391 }
a53f2ec6 392 *is_bool = 0;
c35b0b58 393 return git_config_int(name, value);
17712991
LT
394}
395
a53f2ec6
JH
396int git_config_bool(const char *name, const char *value)
397{
398 int discard;
c35b0b58 399 return !!git_config_bool_or_int(name, value, &discard);
a53f2ec6
JH
400}
401
ea5105a5
CC
402int git_config_string(const char **dest, const char *var, const char *value)
403{
404 if (!value)
405 return config_error_nonbool(var);
406 *dest = xstrdup(value);
407 return 0;
408}
409
395de250
MM
410int git_config_pathname(const char **dest, const char *var, const char *value)
411{
412 if (!value)
413 return config_error_nonbool(var);
414 *dest = expand_user_path(value);
415 if (!*dest)
416 die("Failed to expand user dir in: '%s'", value);
417 return 0;
418}
419
806e2ad7 420static int git_default_core_config(const char *var, const char *value)
17712991
LT
421{
422 /* This needs a better name */
423 if (!strcmp(var, "core.filemode")) {
424 trust_executable_bit = git_config_bool(var, value);
425 return 0;
426 }
1ce4790b
AR
427 if (!strcmp(var, "core.trustctime")) {
428 trust_ctime = git_config_bool(var, value);
429 return 0;
430 }
17712991 431
9378c161
JH
432 if (!strcmp(var, "core.quotepath")) {
433 quote_path_fully = git_config_bool(var, value);
434 return 0;
435 }
436
78a8d641
JS
437 if (!strcmp(var, "core.symlinks")) {
438 has_symlinks = git_config_bool(var, value);
439 return 0;
440 }
441
0a9b88b7
LT
442 if (!strcmp(var, "core.ignorecase")) {
443 ignore_case = git_config_bool(var, value);
444 return 0;
445 }
446
7d1864ce
JH
447 if (!strcmp(var, "core.bare")) {
448 is_bare_repository_cfg = git_config_bool(var, value);
449 return 0;
450 }
451
5f73076c
JH
452 if (!strcmp(var, "core.ignorestat")) {
453 assume_unchanged = git_config_bool(var, value);
454 return 0;
455 }
456
e388c738
JH
457 if (!strcmp(var, "core.prefersymlinkrefs")) {
458 prefer_symlink_refs = git_config_bool(var, value);
f8348be3
JS
459 return 0;
460 }
461
6de08ae6
SP
462 if (!strcmp(var, "core.logallrefupdates")) {
463 log_all_ref_updates = git_config_bool(var, value);
464 return 0;
465 }
466
2f8acdb3
JH
467 if (!strcmp(var, "core.warnambiguousrefs")) {
468 warn_ambiguous_refs = git_config_bool(var, value);
469 return 0;
470 }
471
960ccca6 472 if (!strcmp(var, "core.loosecompression")) {
12f6c308
JBH
473 int level = git_config_int(var, value);
474 if (level == -1)
475 level = Z_DEFAULT_COMPRESSION;
476 else if (level < 0 || level > Z_BEST_COMPRESSION)
477 die("bad zlib compression level %d", level);
478 zlib_compression_level = level;
960ccca6
DH
479 zlib_compression_seen = 1;
480 return 0;
481 }
482
483 if (!strcmp(var, "core.compression")) {
484 int level = git_config_int(var, value);
485 if (level == -1)
486 level = Z_DEFAULT_COMPRESSION;
487 else if (level < 0 || level > Z_BEST_COMPRESSION)
488 die("bad zlib compression level %d", level);
489 core_compression_level = level;
490 core_compression_seen = 1;
491 if (!zlib_compression_seen)
492 zlib_compression_level = level;
12f6c308
JBH
493 return 0;
494 }
495
60bb8b14 496 if (!strcmp(var, "core.packedgitwindowsize")) {
5faaf246 497 int pgsz_x2 = getpagesize() * 2;
60bb8b14 498 packed_git_window_size = git_config_int(var, value);
5faaf246
JH
499
500 /* This value must be multiple of (pagesize * 2) */
501 packed_git_window_size /= pgsz_x2;
502 if (packed_git_window_size < 1)
503 packed_git_window_size = 1;
504 packed_git_window_size *= pgsz_x2;
60bb8b14
SP
505 return 0;
506 }
507
77ccc5bb
SP
508 if (!strcmp(var, "core.packedgitlimit")) {
509 packed_git_limit = git_config_int(var, value);
510 return 0;
511 }
512
18bdec11
SP
513 if (!strcmp(var, "core.deltabasecachelimit")) {
514 delta_base_cache_limit = git_config_int(var, value);
515 return 0;
516 }
517
6c510bee 518 if (!strcmp(var, "core.autocrlf")) {
d7f46334 519 if (value && !strcasecmp(value, "input")) {
942e7747
EB
520 if (eol == EOL_CRLF)
521 return error("core.autocrlf=input conflicts with core.eol=crlf");
fd6cce9e 522 auto_crlf = AUTO_CRLF_INPUT;
d7f46334
LT
523 return 0;
524 }
6c510bee
LT
525 auto_crlf = git_config_bool(var, value);
526 return 0;
527 }
528
21e5ad50
SP
529 if (!strcmp(var, "core.safecrlf")) {
530 if (value && !strcasecmp(value, "warn")) {
531 safe_crlf = SAFE_CRLF_WARN;
532 return 0;
533 }
534 safe_crlf = git_config_bool(var, value);
535 return 0;
536 }
537
942e7747
EB
538 if (!strcmp(var, "core.eol")) {
539 if (value && !strcasecmp(value, "lf"))
540 eol = EOL_LF;
541 else if (value && !strcasecmp(value, "crlf"))
542 eol = EOL_CRLF;
543 else if (value && !strcasecmp(value, "native"))
544 eol = EOL_NATIVE;
545 else
546 eol = EOL_UNSET;
547 if (eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT)
548 return error("core.autocrlf=input conflicts with core.eol=crlf");
549 return 0;
550 }
551
a97a7468
JS
552 if (!strcmp(var, "core.notesref")) {
553 notes_ref_name = xstrdup(value);
554 return 0;
555 }
556
806e2ad7
LT
557 if (!strcmp(var, "core.pager"))
558 return git_config_string(&pager_program, var, value);
559
560 if (!strcmp(var, "core.editor"))
561 return git_config_string(&editor_program, var, value);
562
563 if (!strcmp(var, "core.excludesfile"))
395de250 564 return git_config_pathname(&excludes_file, var, value);
806e2ad7
LT
565
566 if (!strcmp(var, "core.whitespace")) {
567 if (!value)
568 return config_error_nonbool(var);
569 whitespace_rule_cfg = parse_whitespace_rule(value);
570 return 0;
571 }
572
aafe9fba
LT
573 if (!strcmp(var, "core.fsyncobjectfiles")) {
574 fsync_object_files = git_config_bool(var, value);
575 return 0;
576 }
577
671c9b7e
LT
578 if (!strcmp(var, "core.preloadindex")) {
579 core_preload_index = git_config_bool(var, value);
580 return 0;
581 }
582
348df166
JS
583 if (!strcmp(var, "core.createobject")) {
584 if (!strcmp(value, "rename"))
585 object_creation_mode = OBJECT_CREATION_USES_RENAMES;
586 else if (!strcmp(value, "link"))
587 object_creation_mode = OBJECT_CREATION_USES_HARDLINKS;
588 else
589 die("Invalid mode for object creation: %s", value);
be66a6c4
JS
590 return 0;
591 }
592
08aefc9e
NTND
593 if (!strcmp(var, "core.sparsecheckout")) {
594 core_apply_sparse_checkout = git_config_bool(var, value);
595 return 0;
596 }
597
806e2ad7
LT
598 /* Add other config variables here and to Documentation/config.txt. */
599 return 0;
600}
601
d1364529 602static int git_default_user_config(const char *var, const char *value)
806e2ad7 603{
e1b10391 604 if (!strcmp(var, "user.name")) {
6c47d0e8
JH
605 if (!value)
606 return config_error_nonbool(var);
817151e6 607 strlcpy(git_default_name, value, sizeof(git_default_name));
91c38a21 608 user_ident_explicitly_given |= IDENT_NAME_GIVEN;
e1b10391
LT
609 return 0;
610 }
611
612 if (!strcmp(var, "user.email")) {
6c47d0e8
JH
613 if (!value)
614 return config_error_nonbool(var);
817151e6 615 strlcpy(git_default_email, value, sizeof(git_default_email));
91c38a21 616 user_ident_explicitly_given |= IDENT_MAIL_GIVEN;
e1b10391
LT
617 return 0;
618 }
619
d1364529
LT
620 /* Add other config variables here and to Documentation/config.txt. */
621 return 0;
622}
623
1141f492 624static int git_default_i18n_config(const char *var, const char *value)
d1364529 625{
ea5105a5
CC
626 if (!strcmp(var, "i18n.commitencoding"))
627 return git_config_string(&git_commit_encoding, var, value);
d2c11a38 628
ea5105a5
CC
629 if (!strcmp(var, "i18n.logoutputencoding"))
630 return git_config_string(&git_log_output_encoding, var, value);
d2c11a38 631
1141f492
LT
632 /* Add other config variables here and to Documentation/config.txt. */
633 return 0;
634}
039bc64e 635
1141f492
LT
636static int git_default_branch_config(const char *var, const char *value)
637{
9ed36cfa
JS
638 if (!strcmp(var, "branch.autosetupmerge")) {
639 if (value && !strcasecmp(value, "always")) {
640 git_branch_track = BRANCH_TRACK_ALWAYS;
641 return 0;
642 }
643 git_branch_track = git_config_bool(var, value);
644 return 0;
645 }
c998ae9b
DS
646 if (!strcmp(var, "branch.autosetuprebase")) {
647 if (!value)
648 return config_error_nonbool(var);
649 else if (!strcmp(value, "never"))
650 autorebase = AUTOREBASE_NEVER;
651 else if (!strcmp(value, "local"))
652 autorebase = AUTOREBASE_LOCAL;
653 else if (!strcmp(value, "remote"))
654 autorebase = AUTOREBASE_REMOTE;
655 else if (!strcmp(value, "always"))
656 autorebase = AUTOREBASE_ALWAYS;
657 else
658 return error("Malformed value for %s", var);
659 return 0;
660 }
a9cc857a 661
1ab661dd 662 /* Add other config variables here and to Documentation/config.txt. */
17712991
LT
663 return 0;
664}
665
52153747
FAG
666static int git_default_push_config(const char *var, const char *value)
667{
668 if (!strcmp(var, "push.default")) {
669 if (!value)
670 return config_error_nonbool(var);
671 else if (!strcmp(value, "nothing"))
672 push_default = PUSH_DEFAULT_NOTHING;
673 else if (!strcmp(value, "matching"))
674 push_default = PUSH_DEFAULT_MATCHING;
675 else if (!strcmp(value, "tracking"))
676 push_default = PUSH_DEFAULT_TRACKING;
677 else if (!strcmp(value, "current"))
678 push_default = PUSH_DEFAULT_CURRENT;
679 else {
680 error("Malformed value for %s: %s", var, value);
681 return error("Must be one of nothing, matching, "
682 "tracking or current.");
683 }
684 return 0;
685 }
686
687 /* Add other config variables here and to Documentation/config.txt. */
688 return 0;
689}
690
d551a488
MSO
691static int git_default_mailmap_config(const char *var, const char *value)
692{
693 if (!strcmp(var, "mailmap.file"))
694 return git_config_string(&git_mailmap_file, var, value);
695
696 /* Add other config variables here and to Documentation/config.txt. */
697 return 0;
698}
699
1141f492
LT
700int git_default_config(const char *var, const char *value, void *dummy)
701{
702 if (!prefixcmp(var, "core."))
703 return git_default_core_config(var, value);
704
705 if (!prefixcmp(var, "user."))
706 return git_default_user_config(var, value);
707
708 if (!prefixcmp(var, "i18n."))
709 return git_default_i18n_config(var, value);
710
711 if (!prefixcmp(var, "branch."))
712 return git_default_branch_config(var, value);
713
52153747
FAG
714 if (!prefixcmp(var, "push."))
715 return git_default_push_config(var, value);
716
d551a488
MSO
717 if (!prefixcmp(var, "mailmap."))
718 return git_default_mailmap_config(var, value);
719
75194438
JK
720 if (!prefixcmp(var, "advice."))
721 return git_default_advice_config(var, value);
722
1141f492
LT
723 if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
724 pager_use_color = git_config_bool(var,value);
725 return 0;
726 }
727
728 /* Add other config variables here and to Documentation/config.txt. */
729 return 0;
730}
731
ef90d6d4 732int git_config_from_file(config_fn_t fn, const char *filename, void *data)
17712991
LT
733{
734 int ret;
4f629539 735 FILE *f = fopen(filename, "r");
17712991
LT
736
737 ret = -1;
738 if (f) {
739 config_file = f;
4f629539 740 config_file_name = filename;
17712991 741 config_linenr = 1;
02e5ba4a 742 config_file_eof = 0;
ef90d6d4 743 ret = git_parse_file(fn, data);
17712991 744 fclose(f);
4f629539 745 config_file_name = NULL;
17712991
LT
746 }
747 return ret;
748}
10bea152 749
506b17b1
JS
750const char *git_etc_gitconfig(void)
751{
7f0e39fa 752 static const char *system_wide;
2de9de5e
SP
753 if (!system_wide)
754 system_wide = system_path(ETC_GITCONFIG);
7f0e39fa 755 return system_wide;
506b17b1
JS
756}
757
0ef37164 758int git_env_bool(const char *k, int def)
ab88c363
JK
759{
760 const char *v = getenv(k);
761 return v ? git_config_bool(k, v) : def;
762}
763
764int git_config_system(void)
765{
766 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
767}
768
769int git_config_global(void)
770{
771 return !git_env_bool("GIT_CONFIG_NOGLOBAL", 0);
772}
773
8b1fa778
AR
774int git_config_from_parameters(config_fn_t fn, void *data)
775{
776 const struct config_item *ct;
777 for (ct = config_parameters; ct; ct = ct->next)
778 if (fn(ct->name, ct->value, data) < 0)
779 return -1;
780 return 0;
781}
782
ef90d6d4 783int git_config(config_fn_t fn, void *data)
4f629539 784{
aa387407 785 int ret = 0, found = 0;
5f1a63e0 786 char *repo_config = NULL;
dc871831 787 const char *home = NULL;
5f1a63e0 788
8befc50c 789 /* Setting $GIT_CONFIG makes git read _only_ the given config file. */
dc871831
DB
790 if (config_exclusive_filename)
791 return git_config_from_file(fn, config_exclusive_filename, data);
aa387407 792 if (git_config_system() && !access(git_etc_gitconfig(), R_OK)) {
dc871831
DB
793 ret += git_config_from_file(fn, git_etc_gitconfig(),
794 data);
aa387407
FC
795 found += 1;
796 }
5f1a63e0 797
dc871831 798 home = getenv("HOME");
ab88c363 799 if (git_config_global() && home) {
9befac47 800 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
aa387407 801 if (!access(user_config, R_OK)) {
dc871831 802 ret += git_config_from_file(fn, user_config, data);
aa387407
FC
803 found += 1;
804 }
5f1a63e0
JS
805 free(user_config);
806 }
807
a4f34cbb 808 repo_config = git_pathdup("config");
aa387407
FC
809 if (!access(repo_config, R_OK)) {
810 ret += git_config_from_file(fn, repo_config, data);
811 found += 1;
812 }
4cac42b1 813 free(repo_config);
8b1fa778
AR
814
815 if (config_parameters) {
816 ret += git_config_from_parameters(fn, data);
817 found += 1;
818 }
819
aa387407
FC
820 if (found == 0)
821 return -1;
5f1a63e0 822 return ret;
4f629539
JH
823}
824
10bea152
JS
825/*
826 * Find all the stuff for git_config_set() below.
827 */
4ddba79d
JS
828
829#define MAX_MATCHES 512
830
10bea152
JS
831static struct {
832 int baselen;
4b25d091 833 char *key;
f98d863d 834 int do_not_match;
4b25d091 835 regex_t *value_regex;
4ddba79d 836 int multi_replace;
dc49cd76 837 size_t offset[MAX_MATCHES];
10bea152
JS
838 enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state;
839 int seen;
840} store;
841
4b25d091 842static int matches(const char *key, const char *value)
f98d863d
JS
843{
844 return !strcmp(key, store.key) &&
845 (store.value_regex == NULL ||
846 (store.do_not_match ^
847 !regexec(store.value_regex, value, 0, NULL, 0)));
848}
849
4b25d091 850static int store_aux(const char *key, const char *value, void *cb)
10bea152 851{
ae9ee41d
JH
852 const char *ep;
853 size_t section_len;
854
10bea152
JS
855 switch (store.state) {
856 case KEY_SEEN:
f98d863d 857 if (matches(key, value)) {
4ddba79d 858 if (store.seen == 1 && store.multi_replace == 0) {
64c0d71c 859 warning("%s has multiple values", key);
4ddba79d 860 } else if (store.seen >= MAX_MATCHES) {
64c0d71c 861 error("too many matches for %s", key);
4ddba79d 862 return 1;
10bea152 863 }
4ddba79d
JS
864
865 store.offset[store.seen] = ftell(config_file);
10bea152
JS
866 store.seen++;
867 }
868 break;
869 case SECTION_SEEN:
ae9ee41d
JH
870 /*
871 * What we are looking for is in store.key (both
872 * section and var), and its section part is baselen
873 * long. We found key (again, both section and var).
874 * We would want to know if this key is in the same
875 * section as what we are looking for. We already
876 * know we are in the same section as what should
877 * hold store.key.
878 */
879 ep = strrchr(key, '.');
880 section_len = ep - key;
881
882 if ((section_len != store.baselen) ||
883 memcmp(key, store.key, section_len+1)) {
10bea152
JS
884 store.state = SECTION_END_SEEN;
885 break;
ae9ee41d
JH
886 }
887
888 /*
889 * Do not increment matches: this is no match, but we
890 * just made sure we are in the desired section.
891 */
892 store.offset[store.seen] = ftell(config_file);
10bea152
JS
893 /* fallthru */
894 case SECTION_END_SEEN:
895 case START:
f98d863d 896 if (matches(key, value)) {
4ddba79d 897 store.offset[store.seen] = ftell(config_file);
10bea152
JS
898 store.state = KEY_SEEN;
899 store.seen++;
d14f7764
LT
900 } else {
901 if (strrchr(key, '.') - key == store.baselen &&
bdf0ef08 902 !strncmp(key, store.key, store.baselen)) {
93ddef3e 903 store.state = SECTION_SEEN;
bdf0ef08 904 store.offset[store.seen] = ftell(config_file);
d14f7764 905 }
bdf0ef08 906 }
10bea152
JS
907 }
908 return 0;
909}
910
64c0d71c 911static int write_error(const char *filename)
480c9e52 912{
64c0d71c 913 error("failed to write new configuration file %s", filename);
480c9e52
AW
914
915 /* Same error code as "failed to rename". */
916 return 4;
917}
918
4b25d091 919static int store_write_section(int fd, const char *key)
10bea152 920{
cb891a59
KH
921 const char *dot;
922 int i, success;
f285a2d7 923 struct strbuf sb = STRBUF_INIT;
d14f7764 924
cb891a59 925 dot = memchr(key, '.', store.baselen);
d14f7764 926 if (dot) {
cb891a59
KH
927 strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key);
928 for (i = dot - key + 1; i < store.baselen; i++) {
e5c349ba 929 if (key[i] == '"' || key[i] == '\\')
cb891a59
KH
930 strbuf_addch(&sb, '\\');
931 strbuf_addch(&sb, key[i]);
d14f7764 932 }
cb891a59
KH
933 strbuf_addstr(&sb, "\"]\n");
934 } else {
935 strbuf_addf(&sb, "[%.*s]\n", store.baselen, key);
d14f7764
LT
936 }
937
cb891a59
KH
938 success = write_in_full(fd, sb.buf, sb.len) == sb.len;
939 strbuf_release(&sb);
480c9e52 940
cb891a59 941 return success;
10bea152
JS
942}
943
4b25d091 944static int store_write_pair(int fd, const char *key, const char *value)
10bea152 945{
cb891a59
KH
946 int i, success;
947 int length = strlen(key + store.baselen + 1);
948 const char *quote = "";
f285a2d7 949 struct strbuf sb = STRBUF_INIT;
cdd4fb15 950
6281f394
JM
951 /*
952 * Check to see if the value needs to be surrounded with a dq pair.
953 * Note that problematic characters are always backslash-quoted; this
954 * check is about not losing leading or trailing SP and strings that
955 * follow beginning-of-comment characters (i.e. ';' and '#') by the
956 * configuration parser.
957 */
cdd4fb15 958 if (value[0] == ' ')
cb891a59 959 quote = "\"";
cdd4fb15
BG
960 for (i = 0; value[i]; i++)
961 if (value[i] == ';' || value[i] == '#')
cb891a59
KH
962 quote = "\"";
963 if (i && value[i - 1] == ' ')
964 quote = "\"";
965
cb891a59
KH
966 strbuf_addf(&sb, "\t%.*s = %s",
967 length, key + store.baselen + 1, quote);
10bea152 968
10bea152
JS
969 for (i = 0; value[i]; i++)
970 switch (value[i]) {
480c9e52 971 case '\n':
cb891a59 972 strbuf_addstr(&sb, "\\n");
480c9e52
AW
973 break;
974 case '\t':
cb891a59 975 strbuf_addstr(&sb, "\\t");
480c9e52
AW
976 break;
977 case '"':
978 case '\\':
cb891a59 979 strbuf_addch(&sb, '\\');
480c9e52 980 default:
cb891a59 981 strbuf_addch(&sb, value[i]);
480c9e52
AW
982 break;
983 }
cb891a59
KH
984 strbuf_addf(&sb, "%s\n", quote);
985
986 success = write_in_full(fd, sb.buf, sb.len) == sb.len;
987 strbuf_release(&sb);
988
989 return success;
10bea152
JS
990}
991
4b25d091
FC
992static ssize_t find_beginning_of_line(const char *contents, size_t size,
993 size_t offset_, int *found_bracket)
4ddba79d 994{
dc49cd76
SP
995 size_t equal_offset = size, bracket_offset = size;
996 ssize_t offset;
4ddba79d 997
7a31cc0f 998contline:
a6080a0a 999 for (offset = offset_-2; offset > 0
4ddba79d
JS
1000 && contents[offset] != '\n'; offset--)
1001 switch (contents[offset]) {
1002 case '=': equal_offset = offset; break;
1003 case ']': bracket_offset = offset; break;
1004 }
7a31cc0f
FL
1005 if (offset > 0 && contents[offset-1] == '\\') {
1006 offset_ = offset;
1007 goto contline;
1008 }
4ddba79d
JS
1009 if (bracket_offset < equal_offset) {
1010 *found_bracket = 1;
1011 offset = bracket_offset+1;
1012 } else
1013 offset++;
1014
1015 return offset;
1016}
1017
4b25d091 1018int git_config_set(const char *key, const char *value)
10bea152 1019{
4ddba79d 1020 return git_config_set_multivar(key, value, NULL, 0);
10bea152
JS
1021}
1022
1023/*
1024 * If value==NULL, unset in (remove from) config,
1025 * if value_regex!=NULL, disregard key/value pairs where value does not match.
4ddba79d
JS
1026 * if multi_replace==0, nothing, or only one matching key/value is replaced,
1027 * else all matching key/values (regardless how many) are removed,
1028 * before the new pair is written.
10bea152
JS
1029 *
1030 * Returns 0 on success.
1031 *
1032 * This function does this:
1033 *
1034 * - it locks the config file by creating ".git/config.lock"
1035 *
1036 * - it then parses the config using store_aux() as validator to find
1037 * the position on the key/value pair to replace. If it is to be unset,
1038 * it must be found exactly once.
1039 *
1040 * - the config file is mmap()ed and the part before the match (if any) is
1041 * written to the lock file, then the changed part and the rest.
1042 *
1043 * - the config file is removed and the lock file rename()d to it.
1044 *
1045 */
4b25d091
FC
1046int git_config_set_multivar(const char *key, const char *value,
1047 const char *value_regex, int multi_replace)
10bea152 1048{
d14f7764 1049 int i, dot;
f8ba655e 1050 int fd = -1, in_fd;
dafc88b1 1051 int ret;
4b25d091 1052 char *config_filename;
6cbf973c 1053 struct lock_file *lock = NULL;
4b25d091 1054 const char *last_dot = strrchr(key, '.');
4ddba79d 1055
dc871831
DB
1056 if (config_exclusive_filename)
1057 config_filename = xstrdup(config_exclusive_filename);
1058 else
a4f34cbb 1059 config_filename = git_pathdup("config");
9c3796fc 1060
10bea152
JS
1061 /*
1062 * Since "key" actually contains the section name and the real
1063 * key name separated by a dot, we have to know where the dot is.
1064 */
b17e659d 1065
dafc88b1 1066 if (last_dot == NULL) {
64c0d71c 1067 error("key does not contain a section: %s", key);
dafc88b1
SH
1068 ret = 2;
1069 goto out_free;
10bea152 1070 }
b17e659d
JS
1071 store.baselen = last_dot - key;
1072
1073 store.multi_replace = multi_replace;
10bea152
JS
1074
1075 /*
1076 * Validate the key and while at it, lower case it for matching.
1077 */
2d7320d0 1078 store.key = xmalloc(strlen(key) + 1);
d14f7764
LT
1079 dot = 0;
1080 for (i = 0; key[i]; i++) {
1081 unsigned char c = key[i];
1082 if (c == '.')
1083 dot = 1;
1084 /* Leave the extended basename untouched.. */
1085 if (!dot || i > store.baselen) {
38c5afa8 1086 if (!iskeychar(c) || (i == store.baselen+1 && !isalpha(c))) {
64c0d71c 1087 error("invalid key: %s", key);
d14f7764
LT
1088 free(store.key);
1089 ret = 1;
1090 goto out_free;
1091 }
1092 c = tolower(c);
6f71686e 1093 } else if (c == '\n') {
64c0d71c 1094 error("invalid key (newline): %s", key);
6f71686e
JS
1095 free(store.key);
1096 ret = 1;
1097 goto out_free;
d14f7764
LT
1098 }
1099 store.key[i] = c;
1100 }
3dd94e3b 1101 store.key[i] = 0;
10bea152
JS
1102
1103 /*
6cbf973c 1104 * The lock serves a purpose in addition to locking: the new
10bea152
JS
1105 * contents of .git/config will be written into it.
1106 */
6cbf973c
BS
1107 lock = xcalloc(sizeof(struct lock_file), 1);
1108 fd = hold_lock_file_for_update(lock, config_filename, 0);
1109 if (fd < 0) {
6ffd567b 1110 error("could not lock config file %s: %s", config_filename, strerror(errno));
10bea152 1111 free(store.key);
dafc88b1
SH
1112 ret = -1;
1113 goto out_free;
10bea152
JS
1114 }
1115
1116 /*
1117 * If .git/config does not exist yet, write a minimal version.
1118 */
88fb958b
AR
1119 in_fd = open(config_filename, O_RDONLY);
1120 if ( in_fd < 0 ) {
10bea152
JS
1121 free(store.key);
1122
88fb958b
AR
1123 if ( ENOENT != errno ) {
1124 error("opening %s: %s", config_filename,
1125 strerror(errno));
dafc88b1
SH
1126 ret = 3; /* same as "invalid config file" */
1127 goto out_free;
88fb958b 1128 }
10bea152
JS
1129 /* if nothing to unset, error out */
1130 if (value == NULL) {
dafc88b1
SH
1131 ret = 5;
1132 goto out_free;
10bea152
JS
1133 }
1134
4b25d091 1135 store.key = (char *)key;
480c9e52 1136 if (!store_write_section(fd, key) ||
93c1e079
JH
1137 !store_write_pair(fd, key, value))
1138 goto write_err_out;
1139 } else {
88fb958b 1140 struct stat st;
4b25d091 1141 char *contents;
dc49cd76
SP
1142 size_t contents_sz, copy_begin, copy_end;
1143 int i, new_line = 0;
10bea152
JS
1144
1145 if (value_regex == NULL)
1146 store.value_regex = NULL;
1147 else {
f98d863d
JS
1148 if (value_regex[0] == '!') {
1149 store.do_not_match = 1;
1150 value_regex++;
1151 } else
1152 store.do_not_match = 0;
1153
2d7320d0 1154 store.value_regex = (regex_t*)xmalloc(sizeof(regex_t));
10bea152
JS
1155 if (regcomp(store.value_regex, value_regex,
1156 REG_EXTENDED)) {
64c0d71c 1157 error("invalid pattern: %s", value_regex);
10bea152 1158 free(store.value_regex);
dafc88b1
SH
1159 ret = 6;
1160 goto out_free;
10bea152
JS
1161 }
1162 }
1163
4ddba79d 1164 store.offset[0] = 0;
10bea152
JS
1165 store.state = START;
1166 store.seen = 0;
1167
1168 /*
1169 * After this, store.offset will contain the *end* offset
1170 * of the last match, or remain at 0 if no match was found.
1171 * As a side effect, we make sure to transform only a valid
1172 * existing config file.
1173 */
ef90d6d4 1174 if (git_config_from_file(store_aux, config_filename, NULL)) {
64c0d71c 1175 error("invalid config file %s", config_filename);
10bea152
JS
1176 free(store.key);
1177 if (store.value_regex != NULL) {
1178 regfree(store.value_regex);
1179 free(store.value_regex);
1180 }
dafc88b1
SH
1181 ret = 3;
1182 goto out_free;
10bea152
JS
1183 }
1184
1185 free(store.key);
1186 if (store.value_regex != NULL) {
1187 regfree(store.value_regex);
1188 free(store.value_regex);
1189 }
1190
4ddba79d
JS
1191 /* if nothing to unset, or too many matches, error out */
1192 if ((store.seen == 0 && value == NULL) ||
1193 (store.seen > 1 && multi_replace == 0)) {
dafc88b1
SH
1194 ret = 5;
1195 goto out_free;
10bea152
JS
1196 }
1197
88fb958b 1198 fstat(in_fd, &st);
dc49cd76
SP
1199 contents_sz = xsize_t(st.st_size);
1200 contents = xmmap(NULL, contents_sz, PROT_READ,
10bea152
JS
1201 MAP_PRIVATE, in_fd, 0);
1202 close(in_fd);
1203
4ddba79d
JS
1204 if (store.seen == 0)
1205 store.seen = 1;
1206
1207 for (i = 0, copy_begin = 0; i < store.seen; i++) {
1208 if (store.offset[i] == 0) {
dc49cd76 1209 store.offset[i] = copy_end = contents_sz;
4ddba79d
JS
1210 } else if (store.state != KEY_SEEN) {
1211 copy_end = store.offset[i];
10bea152 1212 } else
4ddba79d 1213 copy_end = find_beginning_of_line(
dc49cd76 1214 contents, contents_sz,
4ddba79d
JS
1215 store.offset[i]-2, &new_line);
1216
02e5ba4a
JK
1217 if (copy_end > 0 && contents[copy_end-1] != '\n')
1218 new_line = 1;
1219
4ddba79d
JS
1220 /* write the first part of the config */
1221 if (copy_end > copy_begin) {
93c1e079
JH
1222 if (write_in_full(fd, contents + copy_begin,
1223 copy_end - copy_begin) <
1224 copy_end - copy_begin)
1225 goto write_err_out;
1226 if (new_line &&
2b7ca830 1227 write_str_in_full(fd, "\n") != 1)
93c1e079 1228 goto write_err_out;
4ddba79d
JS
1229 }
1230 copy_begin = store.offset[i];
10bea152
JS
1231 }
1232
10bea152
JS
1233 /* write the pair (value == NULL means unset) */
1234 if (value != NULL) {
93c1e079
JH
1235 if (store.state == START) {
1236 if (!store_write_section(fd, key))
1237 goto write_err_out;
480c9e52 1238 }
93c1e079
JH
1239 if (!store_write_pair(fd, key, value))
1240 goto write_err_out;
10bea152
JS
1241 }
1242
1243 /* write the rest of the config */
dc49cd76 1244 if (copy_begin < contents_sz)
93c1e079 1245 if (write_in_full(fd, contents + copy_begin,
dc49cd76
SP
1246 contents_sz - copy_begin) <
1247 contents_sz - copy_begin)
93c1e079 1248 goto write_err_out;
10bea152 1249
dc49cd76 1250 munmap(contents, contents_sz);
10bea152
JS
1251 }
1252
4ed7cd3a 1253 if (commit_lock_file(lock) < 0) {
64c0d71c 1254 error("could not commit config file %s", config_filename);
dafc88b1
SH
1255 ret = 4;
1256 goto out_free;
10bea152
JS
1257 }
1258
6cbf973c
BS
1259 /*
1260 * lock is committed, so don't try to roll it back below.
1261 * NOTE: Since lockfile.c keeps a linked list of all created
1262 * lock_file structures, it isn't safe to free(lock). It's
1263 * better to just leave it hanging around.
1264 */
1265 lock = NULL;
dafc88b1
SH
1266 ret = 0;
1267
1268out_free:
6cbf973c
BS
1269 if (lock)
1270 rollback_lock_file(lock);
4cac42b1 1271 free(config_filename);
dafc88b1 1272 return ret;
93c1e079
JH
1273
1274write_err_out:
64c0d71c 1275 ret = write_error(lock->filename);
93c1e079
JH
1276 goto out_free;
1277
10bea152
JS
1278}
1279
118f8b24
PB
1280static int section_name_match (const char *buf, const char *name)
1281{
1282 int i = 0, j = 0, dot = 0;
a4c0d463
AV
1283 if (buf[i] != '[')
1284 return 0;
1285 for (i = 1; buf[i] && buf[i] != ']'; i++) {
118f8b24
PB
1286 if (!dot && isspace(buf[i])) {
1287 dot = 1;
1288 if (name[j++] != '.')
1289 break;
1290 for (i++; isspace(buf[i]); i++)
1291 ; /* do nothing */
1292 if (buf[i] != '"')
1293 break;
1294 continue;
1295 }
1296 if (buf[i] == '\\' && dot)
1297 i++;
1298 else if (buf[i] == '"' && dot) {
1299 for (i++; isspace(buf[i]); i++)
1300 ; /* do_nothing */
1301 break;
1302 }
1303 if (buf[i] != name[j++])
1304 break;
1305 }
a4c0d463
AV
1306 if (buf[i] == ']' && name[j] == 0) {
1307 /*
1308 * We match, now just find the right length offset by
1309 * gobbling up any whitespace after it, as well
1310 */
1311 i++;
1312 for (; buf[i] && isspace(buf[i]); i++)
1313 ; /* do nothing */
1314 return i;
1315 }
1316 return 0;
118f8b24
PB
1317}
1318
1319/* if new_name == NULL, the section is removed instead */
0667fcfb
JS
1320int git_config_rename_section(const char *old_name, const char *new_name)
1321{
118f8b24 1322 int ret = 0, remove = 0;
fc1905bb 1323 char *config_filename;
0667fcfb
JS
1324 struct lock_file *lock = xcalloc(sizeof(struct lock_file), 1);
1325 int out_fd;
1326 char buf[1024];
1327
dc871831
DB
1328 if (config_exclusive_filename)
1329 config_filename = xstrdup(config_exclusive_filename);
1330 else
a4f34cbb 1331 config_filename = git_pathdup("config");
0667fcfb 1332 out_fd = hold_lock_file_for_update(lock, config_filename, 0);
fc1905bb 1333 if (out_fd < 0) {
64c0d71c 1334 ret = error("could not lock config file %s", config_filename);
fc1905bb
JH
1335 goto out;
1336 }
0667fcfb 1337
fc1905bb 1338 if (!(config_file = fopen(config_filename, "rb"))) {
01ebb9dc
GB
1339 /* no config file means nothing to rename, no error */
1340 goto unlock_and_out;
fc1905bb 1341 }
0667fcfb
JS
1342
1343 while (fgets(buf, sizeof(buf), config_file)) {
1344 int i;
480c9e52 1345 int length;
9a5abfc7 1346 char *output = buf;
0667fcfb
JS
1347 for (i = 0; buf[i] && isspace(buf[i]); i++)
1348 ; /* do nothing */
1349 if (buf[i] == '[') {
1350 /* it's a section */
a4c0d463
AV
1351 int offset = section_name_match(&buf[i], old_name);
1352 if (offset > 0) {
118f8b24
PB
1353 ret++;
1354 if (new_name == NULL) {
1355 remove = 1;
0667fcfb
JS
1356 continue;
1357 }
0667fcfb 1358 store.baselen = strlen(new_name);
480c9e52 1359 if (!store_write_section(out_fd, new_name)) {
64c0d71c 1360 ret = write_error(lock->filename);
480c9e52
AW
1361 goto out;
1362 }
9a5abfc7
AV
1363 /*
1364 * We wrote out the new section, with
1365 * a newline, now skip the old
1366 * section's length
1367 */
1368 output += offset + i;
1369 if (strlen(output) > 0) {
1370 /*
1371 * More content means there's
1372 * a declaration to put on the
1373 * next line; indent with a
1374 * tab
1375 */
1376 output -= 1;
1377 output[0] = '\t';
1378 }
0667fcfb 1379 }
118f8b24 1380 remove = 0;
0667fcfb 1381 }
118f8b24
PB
1382 if (remove)
1383 continue;
9a5abfc7
AV
1384 length = strlen(output);
1385 if (write_in_full(out_fd, output, length) != length) {
64c0d71c 1386 ret = write_error(lock->filename);
480c9e52
AW
1387 goto out;
1388 }
0667fcfb 1389 }
fc1905bb 1390 fclose(config_file);
01ebb9dc 1391 unlock_and_out:
4ed7cd3a 1392 if (commit_lock_file(lock) < 0)
64c0d71c 1393 ret = error("could not commit config file %s", config_filename);
fc1905bb
JH
1394 out:
1395 free(config_filename);
0667fcfb
JS
1396 return ret;
1397}
40ea4ed9
JH
1398
1399/*
1400 * Call this to report error for your variable that should not
1401 * get a boolean value (i.e. "[my] var" means "true").
1402 */
1403int config_error_nonbool(const char *var)
1404{
1405 return error("Missing value for '%s'", var);
1406}