Update messages in preparation for i18n
[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"
b2141fc1 9#include "config.h"
3b256228 10#include "repository.h"
697cc8ef 11#include "lockfile.h"
d807c4a0 12#include "exec-cmd.h"
572e4f6a 13#include "strbuf.h"
2b64fc89 14#include "quote.h"
3c8687a7
TA
15#include "hashmap.h"
16#include "string-list.h"
599446dc 17#include "utf8.h"
3efd0bed 18#include "dir.h"
6d2f9acc 19#include "color.h"
17712991 20
4d8dd149
HV
21struct config_source {
22 struct config_source *prev;
23 union {
24 FILE *file;
1bc88819
HV
25 struct config_buf {
26 const char *buf;
27 size_t len;
28 size_t pos;
29 } buf;
4d8dd149 30 } u;
1b8132d9 31 enum config_origin_type origin_type;
924aaf3e 32 const char *name;
d14d4244 33 const char *path;
b2dc0945 34 int die_on_error;
924aaf3e
RJ
35 int linenr;
36 int eof;
37 struct strbuf value;
0971e992 38 struct strbuf var;
924aaf3e 39
49d6cfa5
JK
40 int (*do_fgetc)(struct config_source *c);
41 int (*do_ungetc)(int c, struct config_source *conf);
42 long (*do_ftell)(struct config_source *c);
4d8dd149
HV
43};
44
0d44a2da
JK
45/*
46 * These variables record the "current" config source, which
47 * can be accessed by parsing callbacks.
48 *
49 * The "cf" variable will be non-NULL only when we are actually parsing a real
50 * config source (file, blob, cmdline, etc).
51 *
52 * The "current_config_kvi" variable will be non-NULL only when we are feeding
53 * cached config from a configset into a callback.
54 *
55 * They should generally never be non-NULL at the same time. If they are both
56 * NULL, then we aren't parsing anything (and depending on the function looking
57 * at the variables, it's either a bug for it to be called in the first place,
58 * or it's a function which can be reused for non-config purposes, and should
59 * fall back to some sane behavior).
60 */
4d8dd149 61static struct config_source *cf;
0d44a2da 62static struct key_value_info *current_config_kvi;
924aaf3e 63
9acc5911
JK
64/*
65 * Similar to the variables above, this gives access to the "scope" of the
66 * current value (repo, global, etc). For cached values, it can be found via
67 * the current_config_kvi as above. During parsing, the current value can be
68 * found in this variable. It's not part of "cf" because it transcends a single
69 * file (i.e., a file included from .git/config is still in "repo" scope).
70 */
71static enum config_scope current_parsing_scope;
924aaf3e 72
8de7eeb5
JH
73static int core_compression_seen;
74static int pack_compression_seen;
960ccca6
DH
75static int zlib_compression_seen;
76
4d8dd149
HV
77static int config_file_fgetc(struct config_source *conf)
78{
260d408e 79 return getc_unlocked(conf->u.file);
4d8dd149
HV
80}
81
82static int config_file_ungetc(int c, struct config_source *conf)
83{
84 return ungetc(c, conf->u.file);
85}
86
87static long config_file_ftell(struct config_source *conf)
88{
89 return ftell(conf->u.file);
90}
91
1bc88819
HV
92
93static int config_buf_fgetc(struct config_source *conf)
94{
95 if (conf->u.buf.pos < conf->u.buf.len)
96 return conf->u.buf.buf[conf->u.buf.pos++];
97
98 return EOF;
99}
100
101static int config_buf_ungetc(int c, struct config_source *conf)
102{
1d0655c1
JK
103 if (conf->u.buf.pos > 0) {
104 conf->u.buf.pos--;
105 if (conf->u.buf.buf[conf->u.buf.pos] != c)
033abf97 106 BUG("config_buf can only ungetc the same character");
1d0655c1
JK
107 return c;
108 }
1bc88819
HV
109
110 return EOF;
111}
112
113static long config_buf_ftell(struct config_source *conf)
114{
115 return conf->u.buf.pos;
116}
117
9b25a0b5
JK
118#define MAX_INCLUDE_DEPTH 10
119static const char include_depth_advice[] =
120"exceeded maximum include depth (%d) while including\n"
121" %s\n"
122"from\n"
123" %s\n"
124"Do you have circular includes?";
125static int handle_path_include(const char *path, struct config_include_data *inc)
126{
127 int ret = 0;
128 struct strbuf buf = STRBUF_INIT;
67beb600 129 char *expanded;
4c0a89fc 130
67beb600
JK
131 if (!path)
132 return config_error_nonbool("include.path");
133
4aad2f16 134 expanded = expand_user_path(path, 0);
4c0a89fc 135 if (!expanded)
8c3ca351 136 return error("could not expand include path '%s'", path);
4c0a89fc 137 path = expanded;
9b25a0b5
JK
138
139 /*
140 * Use an absolute path as-is, but interpret relative paths
141 * based on the including config file.
142 */
143 if (!is_absolute_path(path)) {
144 char *slash;
145
d14d4244 146 if (!cf || !cf->path)
9b25a0b5
JK
147 return error("relative config includes must come from files");
148
d14d4244 149 slash = find_last_dir_sep(cf->path);
9b25a0b5 150 if (slash)
d14d4244 151 strbuf_add(&buf, cf->path, slash - cf->path + 1);
9b25a0b5
JK
152 strbuf_addstr(&buf, path);
153 path = buf.buf;
154 }
155
4698c8fe 156 if (!access_or_die(path, R_OK, 0)) {
9b25a0b5
JK
157 if (++inc->depth > MAX_INCLUDE_DEPTH)
158 die(include_depth_advice, MAX_INCLUDE_DEPTH, path,
3258258f
JK
159 !cf ? "<unknown>" :
160 cf->name ? cf->name :
161 "the command line");
9b25a0b5
JK
162 ret = git_config_from_file(git_config_include, path, inc);
163 inc->depth--;
164 }
165 strbuf_release(&buf);
4c0a89fc 166 free(expanded);
9b25a0b5
JK
167 return ret;
168}
169
3efd0bed
NTND
170static int prepare_include_condition_pattern(struct strbuf *pat)
171{
172 struct strbuf path = STRBUF_INIT;
173 char *expanded;
174 int prefix = 0;
175
86f95157 176 expanded = expand_user_path(pat->buf, 1);
3efd0bed
NTND
177 if (expanded) {
178 strbuf_reset(pat);
179 strbuf_addstr(pat, expanded);
180 free(expanded);
181 }
182
183 if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) {
184 const char *slash;
185
186 if (!cf || !cf->path)
187 return error(_("relative config include "
188 "conditionals must come from files"));
189
86f95157 190 strbuf_realpath(&path, cf->path, 1);
3efd0bed
NTND
191 slash = find_last_dir_sep(path.buf);
192 if (!slash)
033abf97 193 BUG("how is this possible?");
3efd0bed
NTND
194 strbuf_splice(pat, 0, 1, path.buf, slash - path.buf);
195 prefix = slash - path.buf + 1 /* slash */;
196 } else if (!is_absolute_path(pat->buf))
197 strbuf_insert(pat, 0, "**/", 3);
198
199 if (pat->len && is_dir_sep(pat->buf[pat->len - 1]))
200 strbuf_addstr(pat, "**");
201
202 strbuf_release(&path);
203 return prefix;
204}
205
2185fde5
NTND
206static int include_by_gitdir(const struct config_options *opts,
207 const char *cond, size_t cond_len, int icase)
3efd0bed
NTND
208{
209 struct strbuf text = STRBUF_INIT;
210 struct strbuf pattern = STRBUF_INIT;
211 int ret = 0, prefix;
2185fde5 212 const char *git_dir;
0624c63c 213 int already_tried_absolute = 0;
3efd0bed 214
2185fde5
NTND
215 if (opts->git_dir)
216 git_dir = opts->git_dir;
2185fde5
NTND
217 else
218 goto done;
219
c9672ba4 220 strbuf_realpath(&text, git_dir, 1);
3efd0bed
NTND
221 strbuf_add(&pattern, cond, cond_len);
222 prefix = prepare_include_condition_pattern(&pattern);
223
0624c63c 224again:
3efd0bed
NTND
225 if (prefix < 0)
226 goto done;
227
228 if (prefix > 0) {
229 /*
230 * perform literal matching on the prefix part so that
231 * any wildcard character in it can't create side effects.
232 */
233 if (text.len < prefix)
234 goto done;
235 if (!icase && strncmp(pattern.buf, text.buf, prefix))
236 goto done;
237 if (icase && strncasecmp(pattern.buf, text.buf, prefix))
238 goto done;
239 }
240
241 ret = !wildmatch(pattern.buf + prefix, text.buf + prefix,
55d34269 242 icase ? WM_CASEFOLD : 0);
3efd0bed 243
0624c63c
ÆAB
244 if (!ret && !already_tried_absolute) {
245 /*
246 * We've tried e.g. matching gitdir:~/work, but if
247 * ~/work is a symlink to /mnt/storage/work
248 * strbuf_realpath() will expand it, so the rule won't
249 * match. Let's match against a
250 * strbuf_add_absolute_path() version of the path,
251 * which'll do the right thing
252 */
253 strbuf_reset(&text);
254 strbuf_add_absolute_path(&text, git_dir);
255 already_tried_absolute = 1;
256 goto again;
257 }
3efd0bed
NTND
258done:
259 strbuf_release(&pattern);
260 strbuf_release(&text);
261 return ret;
262}
263
2185fde5
NTND
264static int include_condition_is_true(const struct config_options *opts,
265 const char *cond, size_t cond_len)
3efd0bed
NTND
266{
267
268 if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len))
2185fde5 269 return include_by_gitdir(opts, cond, cond_len, 0);
3efd0bed 270 else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len))
2185fde5 271 return include_by_gitdir(opts, cond, cond_len, 1);
3efd0bed
NTND
272
273 /* unknown conditionals are always false */
274 return 0;
275}
276
9b25a0b5
JK
277int git_config_include(const char *var, const char *value, void *data)
278{
279 struct config_include_data *inc = data;
3efd0bed
NTND
280 const char *cond, *key;
281 int cond_len;
9b25a0b5
JK
282 int ret;
283
284 /*
285 * Pass along all values, including "include" directives; this makes it
286 * possible to query information on the includes themselves.
287 */
288 ret = inc->fn(var, value, inc->data);
289 if (ret < 0)
290 return ret;
291
37007c3a 292 if (!strcmp(var, "include.path"))
9b25a0b5 293 ret = handle_path_include(value, inc);
3efd0bed
NTND
294
295 if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) &&
2185fde5 296 (cond && include_condition_is_true(inc->opts, cond, cond_len)) &&
3efd0bed
NTND
297 !strcmp(key, "path"))
298 ret = handle_path_include(value, inc);
299
9b25a0b5
JK
300 return ret;
301}
302
2b64fc89
JK
303void git_config_push_parameter(const char *text)
304{
305 struct strbuf env = STRBUF_INIT;
306 const char *old = getenv(CONFIG_DATA_ENVIRONMENT);
d1f88498 307 if (old && *old) {
2b64fc89
JK
308 strbuf_addstr(&env, old);
309 strbuf_addch(&env, ' ');
310 }
311 sq_quote_buf(&env, text);
312 setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1);
313 strbuf_release(&env);
314}
315
ee98df3f
JH
316static inline int iskeychar(int c)
317{
318 return isalnum(c) || c == '-';
319}
320
321/*
322 * Auxiliary function to sanity-check and split the key into the section
323 * identifier and variable name.
324 *
325 * Returns 0 on success, -1 when there is an invalid character in the key and
326 * -2 if there is no section name in the key.
327 *
328 * store_key - pointer to char* which will hold a copy of the key with
329 * lowercase section and variable name
330 * baselen - pointer to int which will hold the length of the
331 * section + subsection part, can be NULL
332 */
333static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet)
334{
335 int i, dot, baselen;
336 const char *last_dot = strrchr(key, '.');
337
338 /*
339 * Since "key" actually contains the section name and the real
340 * key name separated by a dot, we have to know where the dot is.
341 */
342
343 if (last_dot == NULL || last_dot == key) {
344 if (!quiet)
345 error("key does not contain a section: %s", key);
346 return -CONFIG_NO_SECTION_OR_NAME;
347 }
348
349 if (!last_dot[1]) {
350 if (!quiet)
351 error("key does not contain variable name: %s", key);
352 return -CONFIG_NO_SECTION_OR_NAME;
353 }
354
355 baselen = last_dot - key;
356 if (baselen_)
357 *baselen_ = baselen;
358
359 /*
360 * Validate the key and while at it, lower case it for matching.
361 */
362 if (store_key)
363 *store_key = xmallocz(strlen(key));
364
365 dot = 0;
366 for (i = 0; key[i]; i++) {
367 unsigned char c = key[i];
368 if (c == '.')
369 dot = 1;
370 /* Leave the extended basename untouched.. */
371 if (!dot || i > baselen) {
372 if (!iskeychar(c) ||
373 (i == baselen + 1 && !isalpha(c))) {
374 if (!quiet)
375 error("invalid key: %s", key);
376 goto out_free_ret_1;
377 }
378 c = tolower(c);
379 } else if (c == '\n') {
380 if (!quiet)
381 error("invalid key (newline): %s", key);
382 goto out_free_ret_1;
383 }
384 if (store_key)
385 (*store_key)[i] = c;
386 }
387
388 return 0;
389
390out_free_ret_1:
391 if (store_key) {
6a83d902 392 FREE_AND_NULL(*store_key);
ee98df3f
JH
393 }
394 return -CONFIG_INVALID_KEY;
395}
396
397int git_config_parse_key(const char *key, char **store_key, int *baselen)
398{
399 return git_config_parse_key_1(key, store_key, baselen, 0);
400}
401
402int git_config_key_is_valid(const char *key)
403{
404 return !git_config_parse_key_1(key, NULL, NULL, 1);
405}
406
2496844b
JK
407int git_config_parse_parameter(const char *text,
408 config_fn_t fn, void *data)
8b1fa778 409{
a789ca70 410 const char *value;
1274a155 411 char *canonical_name;
572e4f6a 412 struct strbuf **pair;
1274a155 413 int ret;
a789ca70 414
f77bccae 415 pair = strbuf_split_str(text, '=', 2);
c5d6350b
JK
416 if (!pair[0])
417 return error("bogus config parameter: %s", text);
a789ca70
JH
418
419 if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') {
572e4f6a 420 strbuf_setlen(pair[0], pair[0]->len - 1);
a789ca70
JH
421 value = pair[1] ? pair[1]->buf : "";
422 } else {
423 value = NULL;
424 }
425
572e4f6a
AR
426 strbuf_trim(pair[0]);
427 if (!pair[0]->len) {
428 strbuf_list_free(pair);
06eb708f 429 return error("bogus config parameter: %s", text);
8b1fa778 430 }
1274a155
JH
431
432 if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) {
433 ret = -1;
434 } else {
435 ret = (fn(canonical_name, value, data) < 0) ? -1 : 0;
436 free(canonical_name);
572e4f6a
AR
437 }
438 strbuf_list_free(pair);
1274a155 439 return ret;
8b1fa778
AR
440}
441
06eb708f
JK
442int git_config_from_parameters(config_fn_t fn, void *data)
443{
2b64fc89 444 const char *env = getenv(CONFIG_DATA_ENVIRONMENT);
a77d6db6 445 int ret = 0;
2b64fc89
JK
446 char *envw;
447 const char **argv = NULL;
448 int nr = 0, alloc = 0;
449 int i;
3258258f 450 struct config_source source;
2b64fc89
JK
451
452 if (!env)
453 return 0;
3258258f
JK
454
455 memset(&source, 0, sizeof(source));
456 source.prev = cf;
1b8132d9 457 source.origin_type = CONFIG_ORIGIN_CMDLINE;
3258258f
JK
458 cf = &source;
459
2b64fc89
JK
460 /* sq_dequote will write over it */
461 envw = xstrdup(env);
462
463 if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) {
1a07e59c 464 ret = error("bogus format in %s", CONFIG_DATA_ENVIRONMENT);
a77d6db6 465 goto out;
2b64fc89
JK
466 }
467
468 for (i = 0; i < nr; i++) {
06eb708f 469 if (git_config_parse_parameter(argv[i], fn, data) < 0) {
a77d6db6
JK
470 ret = -1;
471 goto out;
2b64fc89
JK
472 }
473 }
474
a77d6db6 475out:
2b64fc89
JK
476 free(argv);
477 free(envw);
3258258f 478 cf = source.prev;
a77d6db6 479 return ret;
2b64fc89
JK
480}
481
17712991
LT
482static int get_next_char(void)
483{
49d6cfa5 484 int c = cf->do_fgetc(cf);
17712991 485
dbb9a812
HV
486 if (c == '\r') {
487 /* DOS like systems */
49d6cfa5 488 c = cf->do_fgetc(cf);
dbb9a812 489 if (c != '\n') {
5e0be134
JK
490 if (c != EOF)
491 cf->do_ungetc(c, cf);
dbb9a812 492 c = '\r';
17712991
LT
493 }
494 }
dbb9a812
HV
495 if (c == '\n')
496 cf->linenr++;
497 if (c == EOF) {
498 cf->eof = 1;
b3b3f60b 499 cf->linenr++;
dbb9a812
HV
500 c = '\n';
501 }
17712991
LT
502 return c;
503}
504
505static char *parse_value(void)
506{
e96c19c5 507 int quote = 0, comment = 0, space = 0;
17712991 508
924aaf3e 509 strbuf_reset(&cf->value);
17712991
LT
510 for (;;) {
511 int c = get_next_char();
17712991 512 if (c == '\n') {
4b340593
MS
513 if (quote) {
514 cf->linenr--;
17712991 515 return NULL;
4b340593 516 }
924aaf3e 517 return cf->value.buf;
17712991
LT
518 }
519 if (comment)
520 continue;
521 if (isspace(c) && !quote) {
924aaf3e 522 if (cf->value.len)
ebdaae37 523 space++;
17712991
LT
524 continue;
525 }
7ebdba61
JS
526 if (!quote) {
527 if (c == ';' || c == '#') {
528 comment = 1;
529 continue;
530 }
531 }
ebdaae37 532 for (; space; space--)
924aaf3e 533 strbuf_addch(&cf->value, ' ');
17712991
LT
534 if (c == '\\') {
535 c = get_next_char();
536 switch (c) {
537 case '\n':
538 continue;
539 case 't':
540 c = '\t';
541 break;
542 case 'b':
543 c = '\b';
544 break;
545 case 'n':
546 c = '\n';
547 break;
5cbb401d
LT
548 /* Some characters escape as themselves */
549 case '\\': case '"':
550 break;
551 /* Reject unknown escape sequences */
552 default:
553 return NULL;
17712991 554 }
924aaf3e 555 strbuf_addch(&cf->value, c);
17712991
LT
556 continue;
557 }
558 if (c == '"') {
559 quote = 1-quote;
560 continue;
561 }
924aaf3e 562 strbuf_addch(&cf->value, c);
17712991
LT
563 }
564}
565
0971e992 566static int get_value(config_fn_t fn, void *data, struct strbuf *name)
17712991
LT
567{
568 int c;
569 char *value;
b3b3f60b 570 int ret;
17712991
LT
571
572 /* Get the full name */
573 for (;;) {
574 c = get_next_char();
924aaf3e 575 if (cf->eof)
17712991 576 break;
38c5afa8 577 if (!iskeychar(c))
17712991 578 break;
0971e992 579 strbuf_addch(name, tolower(c));
17712991 580 }
0971e992 581
17712991
LT
582 while (c == ' ' || c == '\t')
583 c = get_next_char();
584
585 value = NULL;
586 if (c != '\n') {
587 if (c != '=')
588 return -1;
589 value = parse_value();
590 if (!value)
591 return -1;
592 }
b3b3f60b
MM
593 /*
594 * We already consumed the \n, but we need linenr to point to
595 * the line we just parsed during the call to fn to get
596 * accurate line number in error messages.
597 */
598 cf->linenr--;
599 ret = fn(name->buf, value, data);
e2e14251
JS
600 if (ret >= 0)
601 cf->linenr++;
b3b3f60b 602 return ret;
17712991
LT
603}
604
0971e992 605static int get_extended_base_var(struct strbuf *name, int c)
d14f7764
LT
606{
607 do {
608 if (c == '\n')
4b340593 609 goto error_incomplete_line;
d14f7764
LT
610 c = get_next_char();
611 } while (isspace(c));
612
613 /* We require the format to be '[base "extension"]' */
614 if (c != '"')
615 return -1;
0971e992 616 strbuf_addch(name, '.');
d14f7764
LT
617
618 for (;;) {
619 int c = get_next_char();
620 if (c == '\n')
4b340593 621 goto error_incomplete_line;
d14f7764
LT
622 if (c == '"')
623 break;
624 if (c == '\\') {
625 c = get_next_char();
626 if (c == '\n')
4b340593 627 goto error_incomplete_line;
d14f7764 628 }
0971e992 629 strbuf_addch(name, c);
d14f7764
LT
630 }
631
632 /* Final ']' */
633 if (get_next_char() != ']')
634 return -1;
0971e992 635 return 0;
4b340593
MS
636error_incomplete_line:
637 cf->linenr--;
638 return -1;
d14f7764
LT
639}
640
0971e992 641static int get_base_var(struct strbuf *name)
17712991 642{
17712991
LT
643 for (;;) {
644 int c = get_next_char();
924aaf3e 645 if (cf->eof)
17712991
LT
646 return -1;
647 if (c == ']')
0971e992 648 return 0;
d14f7764 649 if (isspace(c))
0971e992 650 return get_extended_base_var(name, c);
38c5afa8 651 if (!iskeychar(c) && c != '.')
17712991 652 return -1;
0971e992 653 strbuf_addch(name, tolower(c));
17712991
LT
654 }
655}
656
8032cc44
JS
657struct parse_event_data {
658 enum config_event_t previous_type;
659 size_t previous_offset;
660 const struct config_options *opts;
661};
662
663static int do_event(enum config_event_t type, struct parse_event_data *data)
664{
665 size_t offset;
666
667 if (!data->opts || !data->opts->event_fn)
668 return 0;
669
670 if (type == CONFIG_EVENT_WHITESPACE &&
671 data->previous_type == type)
672 return 0;
673
674 offset = cf->do_ftell(cf);
675 /*
676 * At EOF, the parser always "inserts" an extra '\n', therefore
677 * the end offset of the event is the current file position, otherwise
678 * we will already have advanced to the next event.
679 */
680 if (type != CONFIG_EVENT_EOF)
681 offset--;
682
683 if (data->previous_type != CONFIG_EVENT_EOF &&
684 data->opts->event_fn(data->previous_type, data->previous_offset,
685 offset, data->opts->event_fn_data) < 0)
686 return -1;
687
688 data->previous_type = type;
689 data->previous_offset = offset;
690
691 return 0;
692}
693
694static int git_parse_source(config_fn_t fn, void *data,
695 const struct config_options *opts)
17712991
LT
696{
697 int comment = 0;
698 int baselen = 0;
0971e992 699 struct strbuf *var = &cf->var;
1b8132d9
VA
700 int error_return = 0;
701 char *error_msg = NULL;
17712991 702
de056402 703 /* U+FEFF Byte Order Mark in UTF8 */
599446dc 704 const char *bomptr = utf8_bom;
de056402 705
8032cc44
JS
706 /* For the parser event callback */
707 struct parse_event_data event_data = {
708 CONFIG_EVENT_EOF, 0, opts
709 };
710
17712991 711 for (;;) {
8032cc44
JS
712 int c;
713
714 c = get_next_char();
de056402
PB
715 if (bomptr && *bomptr) {
716 /* We are at the file beginning; skip UTF8-encoded BOM
717 * if present. Sane editors won't put this in on their
718 * own, but e.g. Windows Notepad will do it happily. */
599446dc 719 if (c == (*bomptr & 0377)) {
de056402
PB
720 bomptr++;
721 continue;
722 } else {
723 /* Do not tolerate partial BOM. */
724 if (bomptr != utf8_bom)
725 break;
726 /* No BOM at file beginning. Cool. */
727 bomptr = NULL;
728 }
729 }
17712991 730 if (c == '\n') {
8032cc44
JS
731 if (cf->eof) {
732 if (do_event(CONFIG_EVENT_EOF, &event_data) < 0)
733 return -1;
17712991 734 return 0;
8032cc44
JS
735 }
736 if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0)
737 return -1;
17712991
LT
738 comment = 0;
739 continue;
740 }
8032cc44 741 if (comment)
17712991 742 continue;
8032cc44
JS
743 if (isspace(c)) {
744 if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0)
745 return -1;
17712991 746 continue;
8032cc44 747 }
17712991 748 if (c == '#' || c == ';') {
8032cc44
JS
749 if (do_event(CONFIG_EVENT_COMMENT, &event_data) < 0)
750 return -1;
17712991
LT
751 comment = 1;
752 continue;
753 }
754 if (c == '[') {
8032cc44
JS
755 if (do_event(CONFIG_EVENT_SECTION, &event_data) < 0)
756 return -1;
757
0971e992
BW
758 /* Reset prior to determining a new stem */
759 strbuf_reset(var);
760 if (get_base_var(var) < 0 || var->len < 1)
17712991 761 break;
0971e992
BW
762 strbuf_addch(var, '.');
763 baselen = var->len;
17712991
LT
764 continue;
765 }
766 if (!isalpha(c))
767 break;
8032cc44
JS
768
769 if (do_event(CONFIG_EVENT_ENTRY, &event_data) < 0)
770 return -1;
771
0971e992
BW
772 /*
773 * Truncate the var name back to the section header
774 * stem prior to grabbing the suffix part of the name
775 * and the value.
776 */
777 strbuf_setlen(var, baselen);
778 strbuf_addch(var, tolower(c));
779 if (get_value(fn, data, var) < 0)
17712991
LT
780 break;
781 }
1b8132d9 782
8032cc44
JS
783 if (do_event(CONFIG_EVENT_ERROR, &event_data) < 0)
784 return -1;
785
1b8132d9
VA
786 switch (cf->origin_type) {
787 case CONFIG_ORIGIN_BLOB:
788 error_msg = xstrfmt(_("bad config line %d in blob %s"),
789 cf->linenr, cf->name);
790 break;
791 case CONFIG_ORIGIN_FILE:
792 error_msg = xstrfmt(_("bad config line %d in file %s"),
793 cf->linenr, cf->name);
794 break;
795 case CONFIG_ORIGIN_STDIN:
796 error_msg = xstrfmt(_("bad config line %d in standard input"),
797 cf->linenr);
798 break;
799 case CONFIG_ORIGIN_SUBMODULE_BLOB:
800 error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"),
801 cf->linenr, cf->name);
802 break;
803 case CONFIG_ORIGIN_CMDLINE:
804 error_msg = xstrfmt(_("bad config line %d in command line %s"),
805 cf->linenr, cf->name);
806 break;
807 default:
808 error_msg = xstrfmt(_("bad config line %d in %s"),
809 cf->linenr, cf->name);
810 }
811
b2dc0945 812 if (cf->die_on_error)
1b8132d9 813 die("%s", error_msg);
b2dc0945 814 else
1b8132d9
VA
815 error_return = error("%s", error_msg);
816
817 free(error_msg);
818 return error_return;
17712991
LT
819}
820
ebaa1bd4 821static int parse_unit_factor(const char *end, uintmax_t *val)
0b87b6e0
BD
822{
823 if (!*end)
824 return 1;
c8deb5a1
SP
825 else if (!strcasecmp(end, "k")) {
826 *val *= 1024;
827 return 1;
828 }
829 else if (!strcasecmp(end, "m")) {
830 *val *= 1024 * 1024;
831 return 1;
832 }
833 else if (!strcasecmp(end, "g")) {
834 *val *= 1024 * 1024 * 1024;
835 return 1;
836 }
837 return 0;
0b87b6e0
BD
838}
839
7192777d 840static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max)
0b87b6e0
BD
841{
842 if (value && *value) {
843 char *end;
ebaa1bd4
NA
844 intmax_t val;
845 uintmax_t uval;
846 uintmax_t factor = 1;
847
848 errno = 0;
849 val = strtoimax(value, &end, 0);
850 if (errno == ERANGE)
851 return 0;
33fdd77e
JK
852 if (!parse_unit_factor(end, &factor)) {
853 errno = EINVAL;
c8deb5a1 854 return 0;
33fdd77e 855 }
83915ba5 856 uval = labs(val);
ebaa1bd4 857 uval *= factor;
83915ba5 858 if (uval > max || labs(val) > uval) {
33fdd77e 859 errno = ERANGE;
ebaa1bd4 860 return 0;
33fdd77e 861 }
ebaa1bd4
NA
862 val *= factor;
863 *ret = val;
0b87b6e0
BD
864 return 1;
865 }
33fdd77e 866 errno = EINVAL;
0b87b6e0
BD
867 return 0;
868}
869
0b4dc661 870static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max)
17712991
LT
871{
872 if (value && *value) {
873 char *end;
ebaa1bd4
NA
874 uintmax_t val;
875 uintmax_t oldval;
876
877 errno = 0;
878 val = strtoumax(value, &end, 0);
879 if (errno == ERANGE)
880 return 0;
881 oldval = val;
33fdd77e
JK
882 if (!parse_unit_factor(end, &val)) {
883 errno = EINVAL;
c8deb5a1 884 return 0;
33fdd77e
JK
885 }
886 if (val > max || oldval > val) {
887 errno = ERANGE;
ebaa1bd4 888 return 0;
33fdd77e 889 }
c8deb5a1 890 *ret = val;
0b87b6e0 891 return 1;
17712991 892 }
33fdd77e 893 errno = EINVAL;
0b87b6e0
BD
894 return 0;
895}
896
42d194e9 897static int git_parse_int(const char *value, int *ret)
c1867cea 898{
7192777d 899 intmax_t tmp;
42d194e9 900 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int)))
7192777d
JK
901 return 0;
902 *ret = tmp;
903 return 1;
904}
905
00160242
JK
906static int git_parse_int64(const char *value, int64_t *ret)
907{
908 intmax_t tmp;
909 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t)))
910 return 0;
911 *ret = tmp;
912 return 1;
913}
914
7192777d
JK
915int git_parse_ulong(const char *value, unsigned long *ret)
916{
917 uintmax_t tmp;
918 if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long)))
919 return 0;
920 *ret = tmp;
921 return 1;
922}
923
37ee680d
DT
924static int git_parse_ssize_t(const char *value, ssize_t *ret)
925{
926 intmax_t tmp;
927 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t)))
928 return 0;
929 *ret = tmp;
930 return 1;
931}
932
06bdc23b 933NORETURN
2f666581 934static void die_bad_number(const char *name, const char *value)
c1867cea 935{
078fe305
JNA
936 const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit");
937
2f666581
JK
938 if (!value)
939 value = "";
940
1b8132d9 941 if (!(cf && cf->name))
078fe305
JNA
942 die(_("bad numeric config value '%s' for '%s': %s"),
943 value, name, error_type);
1b8132d9
VA
944
945 switch (cf->origin_type) {
946 case CONFIG_ORIGIN_BLOB:
078fe305
JNA
947 die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
948 value, name, cf->name, error_type);
1b8132d9 949 case CONFIG_ORIGIN_FILE:
078fe305
JNA
950 die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
951 value, name, cf->name, error_type);
1b8132d9 952 case CONFIG_ORIGIN_STDIN:
078fe305
JNA
953 die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
954 value, name, error_type);
1b8132d9 955 case CONFIG_ORIGIN_SUBMODULE_BLOB:
078fe305
JNA
956 die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
957 value, name, cf->name, error_type);
1b8132d9 958 case CONFIG_ORIGIN_CMDLINE:
078fe305
JNA
959 die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
960 value, name, cf->name, error_type);
1b8132d9 961 default:
078fe305
JNA
962 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
963 value, name, cf->name, error_type);
1b8132d9 964 }
c1867cea
JK
965}
966
0b87b6e0
BD
967int git_config_int(const char *name, const char *value)
968{
42d194e9
JK
969 int ret;
970 if (!git_parse_int(value, &ret))
2f666581 971 die_bad_number(name, value);
0b87b6e0
BD
972 return ret;
973}
974
00160242
JK
975int64_t git_config_int64(const char *name, const char *value)
976{
977 int64_t ret;
978 if (!git_parse_int64(value, &ret))
979 die_bad_number(name, value);
0b87b6e0
BD
980 return ret;
981}
982
983unsigned long git_config_ulong(const char *name, const char *value)
984{
985 unsigned long ret;
986 if (!git_parse_ulong(value, &ret))
2f666581 987 die_bad_number(name, value);
0b87b6e0 988 return ret;
17712991
LT
989}
990
37ee680d
DT
991ssize_t git_config_ssize_t(const char *name, const char *value)
992{
993 ssize_t ret;
994 if (!git_parse_ssize_t(value, &ret))
995 die_bad_number(name, value);
996 return ret;
997}
998
9be04d64 999static int git_parse_maybe_bool_text(const char *value)
17712991
LT
1000{
1001 if (!value)
1002 return 1;
1003 if (!*value)
1004 return 0;
8420ccd8
JH
1005 if (!strcasecmp(value, "true")
1006 || !strcasecmp(value, "yes")
1007 || !strcasecmp(value, "on"))
17712991 1008 return 1;
8420ccd8
JH
1009 if (!strcasecmp(value, "false")
1010 || !strcasecmp(value, "no")
1011 || !strcasecmp(value, "off"))
17712991 1012 return 0;
8420ccd8
JH
1013 return -1;
1014}
1015
9be04d64 1016int git_parse_maybe_bool(const char *value)
b2be2f6a 1017{
9be04d64 1018 int v = git_parse_maybe_bool_text(value);
b2be2f6a
JK
1019 if (0 <= v)
1020 return v;
42d194e9 1021 if (git_parse_int(value, &v))
db6195ef 1022 return !!v;
b2be2f6a
JK
1023 return -1;
1024}
1025
8420ccd8
JH
1026int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
1027{
9be04d64 1028 int v = git_parse_maybe_bool_text(value);
8420ccd8
JH
1029 if (0 <= v) {
1030 *is_bool = 1;
1031 return v;
1032 }
a53f2ec6 1033 *is_bool = 0;
c35b0b58 1034 return git_config_int(name, value);
17712991
LT
1035}
1036
a53f2ec6
JH
1037int git_config_bool(const char *name, const char *value)
1038{
1039 int discard;
c35b0b58 1040 return !!git_config_bool_or_int(name, value, &discard);
a53f2ec6
JH
1041}
1042
ea5105a5
CC
1043int git_config_string(const char **dest, const char *var, const char *value)
1044{
1045 if (!value)
1046 return config_error_nonbool(var);
1047 *dest = xstrdup(value);
1048 return 0;
1049}
1050
395de250
MM
1051int git_config_pathname(const char **dest, const char *var, const char *value)
1052{
1053 if (!value)
1054 return config_error_nonbool(var);
4aad2f16 1055 *dest = expand_user_path(value, 0);
395de250 1056 if (!*dest)
8262aaa2 1057 die(_("failed to expand user dir in: '%s'"), value);
395de250
MM
1058 return 0;
1059}
1060
5f967424
HM
1061int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value)
1062{
1063 if (!value)
1064 return config_error_nonbool(var);
1065 if (parse_expiry_date(value, timestamp))
1066 return error(_("'%s' for '%s' is not a valid timestamp"),
1067 value, var);
1068 return 0;
1069}
1070
6d2f9acc
TB
1071int git_config_color(char *dest, const char *var, const char *value)
1072{
1073 if (!value)
1074 return config_error_nonbool(var);
1075 if (color_parse(value, dest) < 0)
1076 return -1;
1077 return 0;
1078}
1079
806e2ad7 1080static int git_default_core_config(const char *var, const char *value)
17712991
LT
1081{
1082 /* This needs a better name */
1083 if (!strcmp(var, "core.filemode")) {
1084 trust_executable_bit = git_config_bool(var, value);
1085 return 0;
1086 }
1ce4790b
AR
1087 if (!strcmp(var, "core.trustctime")) {
1088 trust_ctime = git_config_bool(var, value);
1089 return 0;
1090 }
c1b5d738 1091 if (!strcmp(var, "core.checkstat")) {
c08e4d5b
RR
1092 if (!strcasecmp(value, "default"))
1093 check_stat = 1;
1094 else if (!strcasecmp(value, "minimal"))
1095 check_stat = 0;
1096 }
17712991 1097
9378c161
JH
1098 if (!strcmp(var, "core.quotepath")) {
1099 quote_path_fully = git_config_bool(var, value);
1100 return 0;
1101 }
1102
78a8d641
JS
1103 if (!strcmp(var, "core.symlinks")) {
1104 has_symlinks = git_config_bool(var, value);
1105 return 0;
1106 }
1107
0a9b88b7
LT
1108 if (!strcmp(var, "core.ignorecase")) {
1109 ignore_case = git_config_bool(var, value);
1110 return 0;
1111 }
1112
64589a03
JH
1113 if (!strcmp(var, "core.attributesfile"))
1114 return git_config_pathname(&git_attributes_file, var, value);
1115
867ad08a
ÆAB
1116 if (!strcmp(var, "core.hookspath"))
1117 return git_config_pathname(&git_hooks_path, var, value);
1118
7d1864ce
JH
1119 if (!strcmp(var, "core.bare")) {
1120 is_bare_repository_cfg = git_config_bool(var, value);
1121 return 0;
1122 }
1123
5f73076c
JH
1124 if (!strcmp(var, "core.ignorestat")) {
1125 assume_unchanged = git_config_bool(var, value);
1126 return 0;
1127 }
1128
e388c738
JH
1129 if (!strcmp(var, "core.prefersymlinkrefs")) {
1130 prefer_symlink_refs = git_config_bool(var, value);
f8348be3
JS
1131 return 0;
1132 }
1133
6de08ae6 1134 if (!strcmp(var, "core.logallrefupdates")) {
341fb286
CW
1135 if (value && !strcasecmp(value, "always"))
1136 log_all_ref_updates = LOG_REFS_ALWAYS;
1137 else if (git_config_bool(var, value))
1138 log_all_ref_updates = LOG_REFS_NORMAL;
1139 else
1140 log_all_ref_updates = LOG_REFS_NONE;
6de08ae6
SP
1141 return 0;
1142 }
1143
2f8acdb3
JH
1144 if (!strcmp(var, "core.warnambiguousrefs")) {
1145 warn_ambiguous_refs = git_config_bool(var, value);
1146 return 0;
1147 }
1148
a71f09fe 1149 if (!strcmp(var, "core.abbrev")) {
48d5014d
JH
1150 if (!value)
1151 return config_error_nonbool(var);
1152 if (!strcasecmp(value, "auto"))
1153 default_abbrev = -1;
1154 else {
1155 int abbrev = git_config_int(var, value);
1156 if (abbrev < minimum_abbrev || abbrev > 40)
1157 return error("abbrev length out of range: %d", abbrev);
1158 default_abbrev = abbrev;
1159 }
dce96489
LT
1160 return 0;
1161 }
1162
5b33cb1f
JK
1163 if (!strcmp(var, "core.disambiguate"))
1164 return set_disambiguate_hint_config(var, value);
1165
960ccca6 1166 if (!strcmp(var, "core.loosecompression")) {
12f6c308
JBH
1167 int level = git_config_int(var, value);
1168 if (level == -1)
1169 level = Z_DEFAULT_COMPRESSION;
1170 else if (level < 0 || level > Z_BEST_COMPRESSION)
8262aaa2 1171 die(_("bad zlib compression level %d"), level);
12f6c308 1172 zlib_compression_level = level;
960ccca6
DH
1173 zlib_compression_seen = 1;
1174 return 0;
1175 }
1176
1177 if (!strcmp(var, "core.compression")) {
1178 int level = git_config_int(var, value);
1179 if (level == -1)
1180 level = Z_DEFAULT_COMPRESSION;
1181 else if (level < 0 || level > Z_BEST_COMPRESSION)
8262aaa2 1182 die(_("bad zlib compression level %d"), level);
960ccca6
DH
1183 core_compression_level = level;
1184 core_compression_seen = 1;
1185 if (!zlib_compression_seen)
1186 zlib_compression_level = level;
8de7eeb5
JH
1187 if (!pack_compression_seen)
1188 pack_compression_level = level;
12f6c308
JBH
1189 return 0;
1190 }
1191
60bb8b14 1192 if (!strcmp(var, "core.packedgitwindowsize")) {
5faaf246 1193 int pgsz_x2 = getpagesize() * 2;
ebaa1bd4 1194 packed_git_window_size = git_config_ulong(var, value);
5faaf246
JH
1195
1196 /* This value must be multiple of (pagesize * 2) */
1197 packed_git_window_size /= pgsz_x2;
1198 if (packed_git_window_size < 1)
1199 packed_git_window_size = 1;
1200 packed_git_window_size *= pgsz_x2;
60bb8b14
SP
1201 return 0;
1202 }
1203
15366280 1204 if (!strcmp(var, "core.bigfilethreshold")) {
ebaa1bd4 1205 big_file_threshold = git_config_ulong(var, value);
15366280
JH
1206 return 0;
1207 }
1208
77ccc5bb 1209 if (!strcmp(var, "core.packedgitlimit")) {
ebaa1bd4 1210 packed_git_limit = git_config_ulong(var, value);
77ccc5bb
SP
1211 return 0;
1212 }
1213
18bdec11 1214 if (!strcmp(var, "core.deltabasecachelimit")) {
ebaa1bd4 1215 delta_base_cache_limit = git_config_ulong(var, value);
18bdec11
SP
1216 return 0;
1217 }
1218
6c510bee 1219 if (!strcmp(var, "core.autocrlf")) {
d7f46334 1220 if (value && !strcasecmp(value, "input")) {
fd6cce9e 1221 auto_crlf = AUTO_CRLF_INPUT;
d7f46334
LT
1222 return 0;
1223 }
6c510bee
LT
1224 auto_crlf = git_config_bool(var, value);
1225 return 0;
1226 }
1227
21e5ad50 1228 if (!strcmp(var, "core.safecrlf")) {
8462ff43 1229 int eol_rndtrp_die;
21e5ad50 1230 if (value && !strcasecmp(value, "warn")) {
8462ff43 1231 global_conv_flags_eol = CONV_EOL_RNDTRP_WARN;
21e5ad50
SP
1232 return 0;
1233 }
8462ff43
TB
1234 eol_rndtrp_die = git_config_bool(var, value);
1235 global_conv_flags_eol = eol_rndtrp_die ?
6cb09125 1236 CONV_EOL_RNDTRP_DIE : 0;
21e5ad50
SP
1237 return 0;
1238 }
1239
942e7747
EB
1240 if (!strcmp(var, "core.eol")) {
1241 if (value && !strcasecmp(value, "lf"))
ec70f52f 1242 core_eol = EOL_LF;
942e7747 1243 else if (value && !strcasecmp(value, "crlf"))
ec70f52f 1244 core_eol = EOL_CRLF;
942e7747 1245 else if (value && !strcasecmp(value, "native"))
ec70f52f 1246 core_eol = EOL_NATIVE;
942e7747 1247 else
ec70f52f 1248 core_eol = EOL_UNSET;
942e7747
EB
1249 return 0;
1250 }
1251
e92d6225
LS
1252 if (!strcmp(var, "core.checkroundtripencoding")) {
1253 check_roundtrip_encoding = xstrdup(value);
1254 return 0;
1255 }
1256
a97a7468
JS
1257 if (!strcmp(var, "core.notesref")) {
1258 notes_ref_name = xstrdup(value);
1259 return 0;
1260 }
1261
806e2ad7
LT
1262 if (!strcmp(var, "core.editor"))
1263 return git_config_string(&editor_program, var, value);
1264
eff80a9f 1265 if (!strcmp(var, "core.commentchar")) {
649409b7
JK
1266 if (!value)
1267 return config_error_nonbool(var);
ad524f83 1268 else if (!strcasecmp(value, "auto"))
84c9dc2c 1269 auto_comment_line_char = 1;
ad524f83 1270 else if (value[0] && !value[1]) {
649409b7 1271 comment_line_char = value[0];
84c9dc2c 1272 auto_comment_line_char = 0;
50b54fd7
NTND
1273 } else
1274 return error("core.commentChar should only be one character");
1275 return 0;
eff80a9f
JH
1276 }
1277
d3e7da89
AK
1278 if (!strcmp(var, "core.askpass"))
1279 return git_config_string(&askpass_program, var, value);
1280
806e2ad7 1281 if (!strcmp(var, "core.excludesfile"))
395de250 1282 return git_config_pathname(&excludes_file, var, value);
806e2ad7
LT
1283
1284 if (!strcmp(var, "core.whitespace")) {
1285 if (!value)
1286 return config_error_nonbool(var);
1287 whitespace_rule_cfg = parse_whitespace_rule(value);
1288 return 0;
1289 }
1290
aafe9fba
LT
1291 if (!strcmp(var, "core.fsyncobjectfiles")) {
1292 fsync_object_files = git_config_bool(var, value);
1293 return 0;
1294 }
1295
671c9b7e
LT
1296 if (!strcmp(var, "core.preloadindex")) {
1297 core_preload_index = git_config_bool(var, value);
1298 return 0;
1299 }
1300
348df166
JS
1301 if (!strcmp(var, "core.createobject")) {
1302 if (!strcmp(value, "rename"))
1303 object_creation_mode = OBJECT_CREATION_USES_RENAMES;
1304 else if (!strcmp(value, "link"))
1305 object_creation_mode = OBJECT_CREATION_USES_HARDLINKS;
1306 else
8262aaa2 1307 die(_("invalid mode for object creation: %s"), value);
be66a6c4
JS
1308 return 0;
1309 }
1310
1b70dfd5
DS
1311 if (!strcmp(var, "core.commitgraph")) {
1312 core_commit_graph = git_config_bool(var, value);
1313 return 0;
1314 }
1315
08aefc9e
NTND
1316 if (!strcmp(var, "core.sparsecheckout")) {
1317 core_apply_sparse_checkout = git_config_bool(var, value);
1318 return 0;
1319 }
1320
76759c7d
TB
1321 if (!strcmp(var, "core.precomposeunicode")) {
1322 precomposed_unicode = git_config_bool(var, value);
1323 return 0;
1324 }
1325
a42643aa
JK
1326 if (!strcmp(var, "core.protecthfs")) {
1327 protect_hfs = git_config_bool(var, value);
1328 return 0;
1329 }
1330
2b4c6efc
JS
1331 if (!strcmp(var, "core.protectntfs")) {
1332 protect_ntfs = git_config_bool(var, value);
1333 return 0;
76759c7d
TB
1334 }
1335
f30afdab
JS
1336 if (!strcmp(var, "core.hidedotfiles")) {
1337 if (value && !strcasecmp(value, "dotgitonly"))
1338 hide_dotfiles = HIDE_DOTFILES_DOTGITONLY;
1339 else
1340 hide_dotfiles = git_config_bool(var, value);
1341 return 0;
1342 }
1343
1e1e39b3
JH
1344 if (!strcmp(var, "core.partialclonefilter")) {
1345 return git_config_string(&core_partial_clone_filter_default,
1346 var, value);
1347 }
1348
806e2ad7
LT
1349 /* Add other config variables here and to Documentation/config.txt. */
1350 return 0;
1351}
1352
1141f492 1353static int git_default_i18n_config(const char *var, const char *value)
d1364529 1354{
ea5105a5
CC
1355 if (!strcmp(var, "i18n.commitencoding"))
1356 return git_config_string(&git_commit_encoding, var, value);
d2c11a38 1357
ea5105a5
CC
1358 if (!strcmp(var, "i18n.logoutputencoding"))
1359 return git_config_string(&git_log_output_encoding, var, value);
d2c11a38 1360
1141f492
LT
1361 /* Add other config variables here and to Documentation/config.txt. */
1362 return 0;
1363}
039bc64e 1364
1141f492
LT
1365static int git_default_branch_config(const char *var, const char *value)
1366{
9ed36cfa
JS
1367 if (!strcmp(var, "branch.autosetupmerge")) {
1368 if (value && !strcasecmp(value, "always")) {
1369 git_branch_track = BRANCH_TRACK_ALWAYS;
1370 return 0;
1371 }
1372 git_branch_track = git_config_bool(var, value);
1373 return 0;
1374 }
c998ae9b
DS
1375 if (!strcmp(var, "branch.autosetuprebase")) {
1376 if (!value)
1377 return config_error_nonbool(var);
1378 else if (!strcmp(value, "never"))
1379 autorebase = AUTOREBASE_NEVER;
1380 else if (!strcmp(value, "local"))
1381 autorebase = AUTOREBASE_LOCAL;
1382 else if (!strcmp(value, "remote"))
1383 autorebase = AUTOREBASE_REMOTE;
1384 else if (!strcmp(value, "always"))
1385 autorebase = AUTOREBASE_ALWAYS;
1386 else
8c3ca351 1387 return error("malformed value for %s", var);
c998ae9b
DS
1388 return 0;
1389 }
a9cc857a 1390
1ab661dd 1391 /* Add other config variables here and to Documentation/config.txt. */
17712991
LT
1392 return 0;
1393}
1394
52153747
FAG
1395static int git_default_push_config(const char *var, const char *value)
1396{
1397 if (!strcmp(var, "push.default")) {
1398 if (!value)
1399 return config_error_nonbool(var);
1400 else if (!strcmp(value, "nothing"))
1401 push_default = PUSH_DEFAULT_NOTHING;
1402 else if (!strcmp(value, "matching"))
1403 push_default = PUSH_DEFAULT_MATCHING;
b55e6775
MM
1404 else if (!strcmp(value, "simple"))
1405 push_default = PUSH_DEFAULT_SIMPLE;
53c40311
JH
1406 else if (!strcmp(value, "upstream"))
1407 push_default = PUSH_DEFAULT_UPSTREAM;
1408 else if (!strcmp(value, "tracking")) /* deprecated */
1409 push_default = PUSH_DEFAULT_UPSTREAM;
52153747
FAG
1410 else if (!strcmp(value, "current"))
1411 push_default = PUSH_DEFAULT_CURRENT;
1412 else {
8c3ca351 1413 error("malformed value for %s: %s", var, value);
1a07e59c
NTND
1414 return error("must be one of nothing, matching, simple, "
1415 "upstream or current");
52153747
FAG
1416 }
1417 return 0;
1418 }
1419
1420 /* Add other config variables here and to Documentation/config.txt. */
1421 return 0;
1422}
1423
d551a488
MSO
1424static int git_default_mailmap_config(const char *var, const char *value)
1425{
1426 if (!strcmp(var, "mailmap.file"))
9352fd57 1427 return git_config_pathname(&git_mailmap_file, var, value);
08610900
JK
1428 if (!strcmp(var, "mailmap.blob"))
1429 return git_config_string(&git_mailmap_blob, var, value);
d551a488
MSO
1430
1431 /* Add other config variables here and to Documentation/config.txt. */
1432 return 0;
1433}
1434
1141f492
LT
1435int git_default_config(const char *var, const char *value, void *dummy)
1436{
59556548 1437 if (starts_with(var, "core."))
1141f492
LT
1438 return git_default_core_config(var, value);
1439
59556548 1440 if (starts_with(var, "user."))
9597921b 1441 return git_ident_config(var, value, dummy);
1141f492 1442
59556548 1443 if (starts_with(var, "i18n."))
1141f492
LT
1444 return git_default_i18n_config(var, value);
1445
59556548 1446 if (starts_with(var, "branch."))
1141f492
LT
1447 return git_default_branch_config(var, value);
1448
59556548 1449 if (starts_with(var, "push."))
52153747
FAG
1450 return git_default_push_config(var, value);
1451
59556548 1452 if (starts_with(var, "mailmap."))
d551a488
MSO
1453 return git_default_mailmap_config(var, value);
1454
960786e7 1455 if (starts_with(var, "advice.") || starts_with(var, "color.advice"))
75194438
JK
1456 return git_default_advice_config(var, value);
1457
1141f492
LT
1458 if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
1459 pager_use_color = git_config_bool(var,value);
1460 return 0;
1461 }
1462
568508e7
JH
1463 if (!strcmp(var, "pack.packsizelimit")) {
1464 pack_size_limit_cfg = git_config_ulong(var, value);
1465 return 0;
1466 }
8de7eeb5
JH
1467
1468 if (!strcmp(var, "pack.compression")) {
1469 int level = git_config_int(var, value);
1470 if (level == -1)
1471 level = Z_DEFAULT_COMPRESSION;
1472 else if (level < 0 || level > Z_BEST_COMPRESSION)
1473 die(_("bad pack compression level %d"), level);
1474 pack_compression_level = level;
1475 pack_compression_seen = 1;
1476 return 0;
1477 }
1478
1141f492
LT
1479 /* Add other config variables here and to Documentation/config.txt. */
1480 return 0;
1481}
1482
ca4b5de2 1483/*
b2dc0945 1484 * All source specific fields in the union, die_on_error, name and the callbacks
4d8dd149 1485 * fgetc, ungetc, ftell of top need to be initialized before calling
ca4b5de2
HV
1486 * this function.
1487 */
8032cc44
JS
1488static int do_config_from(struct config_source *top, config_fn_t fn, void *data,
1489 const struct config_options *opts)
ca4b5de2
HV
1490{
1491 int ret;
1492
1493 /* push config-file parsing state stack */
1494 top->prev = cf;
1495 top->linenr = 1;
1496 top->eof = 0;
1497 strbuf_init(&top->value, 1024);
1498 strbuf_init(&top->var, 1024);
1499 cf = top;
1500
8032cc44 1501 ret = git_parse_source(fn, data, opts);
ca4b5de2
HV
1502
1503 /* pop config-file parsing state stack */
1504 strbuf_release(&top->value);
1505 strbuf_release(&top->var);
1506 cf = top->prev;
1507
1508 return ret;
1509}
1510
3caec73b 1511static int do_config_from_file(config_fn_t fn,
1b8132d9
VA
1512 const enum config_origin_type origin_type,
1513 const char *name, const char *path, FILE *f,
8032cc44 1514 void *data, const struct config_options *opts)
17712991 1515{
3caec73b 1516 struct config_source top;
05e293c1 1517 int ret;
17712991 1518
3caec73b 1519 top.u.file = f;
473166b9 1520 top.origin_type = origin_type;
3caec73b
KS
1521 top.name = name;
1522 top.path = path;
1523 top.die_on_error = 1;
1524 top.do_fgetc = config_file_fgetc;
1525 top.do_ungetc = config_file_ungetc;
1526 top.do_ftell = config_file_ftell;
924aaf3e 1527
05e293c1 1528 flockfile(f);
4f4d0b42 1529 ret = do_config_from(&top, fn, data, opts);
05e293c1
JK
1530 funlockfile(f);
1531 return ret;
3caec73b 1532}
924aaf3e 1533
3caec73b
KS
1534static int git_config_from_stdin(config_fn_t fn, void *data)
1535{
8032cc44
JS
1536 return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin,
1537 data, NULL);
3caec73b
KS
1538}
1539
8032cc44
JS
1540int git_config_from_file_with_options(config_fn_t fn, const char *filename,
1541 void *data,
1542 const struct config_options *opts)
3caec73b
KS
1543{
1544 int ret = -1;
1545 FILE *f;
924aaf3e 1546
e9d983f1 1547 f = fopen_or_warn(filename, "r");
3caec73b 1548 if (f) {
8032cc44
JS
1549 ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename,
1550 filename, f, data, opts);
17712991
LT
1551 fclose(f);
1552 }
1553 return ret;
1554}
10bea152 1555
8032cc44
JS
1556int git_config_from_file(config_fn_t fn, const char *filename, void *data)
1557{
1558 return git_config_from_file_with_options(fn, filename, data, NULL);
1559}
1560
1b8132d9 1561int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_type,
473166b9 1562 const char *name, const char *buf, size_t len, void *data)
1bc88819
HV
1563{
1564 struct config_source top;
1565
1566 top.u.buf.buf = buf;
1567 top.u.buf.len = len;
1568 top.u.buf.pos = 0;
473166b9 1569 top.origin_type = origin_type;
1bc88819 1570 top.name = name;
d14d4244 1571 top.path = NULL;
b2dc0945 1572 top.die_on_error = 0;
49d6cfa5
JK
1573 top.do_fgetc = config_buf_fgetc;
1574 top.do_ungetc = config_buf_ungetc;
1575 top.do_ftell = config_buf_ftell;
1bc88819 1576
8032cc44 1577 return do_config_from(&top, fn, data, NULL);
1bc88819
HV
1578}
1579
cd73de47 1580int git_config_from_blob_oid(config_fn_t fn,
9ebf689a 1581 const char *name,
cd73de47 1582 const struct object_id *oid,
9ebf689a 1583 void *data)
1bc88819
HV
1584{
1585 enum object_type type;
1586 char *buf;
1587 unsigned long size;
1588 int ret;
1589
b4f5aca4 1590 buf = read_object_file(oid, &type, &size);
1bc88819
HV
1591 if (!buf)
1592 return error("unable to load config blob object '%s'", name);
1593 if (type != OBJ_BLOB) {
1594 free(buf);
1595 return error("reference '%s' does not point to a blob", name);
1596 }
1597
1b8132d9 1598 ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size, data);
1bc88819
HV
1599 free(buf);
1600
1601 return ret;
1602}
1603
1604static int git_config_from_blob_ref(config_fn_t fn,
1605 const char *name,
1606 void *data)
1607{
cd73de47 1608 struct object_id oid;
1bc88819 1609
cd73de47 1610 if (get_oid(name, &oid) < 0)
1bc88819 1611 return error("unable to resolve config blob '%s'", name);
cd73de47 1612 return git_config_from_blob_oid(fn, name, &oid, data);
1bc88819
HV
1613}
1614
506b17b1
JS
1615const char *git_etc_gitconfig(void)
1616{
7f0e39fa 1617 static const char *system_wide;
2de9de5e
SP
1618 if (!system_wide)
1619 system_wide = system_path(ETC_GITCONFIG);
7f0e39fa 1620 return system_wide;
506b17b1
JS
1621}
1622
23b0c478
SP
1623/*
1624 * Parse environment variable 'k' as a boolean (in various
1625 * possible spellings); if missing, use the default value 'def'.
1626 */
0ef37164 1627int git_env_bool(const char *k, int def)
ab88c363
JK
1628{
1629 const char *v = getenv(k);
1630 return v ? git_config_bool(k, v) : def;
1631}
1632
23b0c478
SP
1633/*
1634 * Parse environment variable 'k' as ulong with possibly a unit
1635 * suffix; if missing, use the default value 'val'.
1636 */
1637unsigned long git_env_ulong(const char *k, unsigned long val)
1638{
1639 const char *v = getenv(k);
1640 if (v && !git_parse_ulong(v, &val))
1641 die("failed to parse %s", k);
1642 return val;
1643}
1644
ab88c363
JK
1645int git_config_system(void)
1646{
1647 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
1648}
1649
e145a0bc
NTND
1650static int do_git_config_sequence(const struct config_options *opts,
1651 config_fn_t fn, void *data)
4f629539 1652{
c72ee44b 1653 int ret = 0;
509adc33 1654 char *xdg_config = xdg_config_home("config");
4aad2f16 1655 char *user_config = expand_user_path("~/.gitconfig", 0);
e145a0bc
NTND
1656 char *repo_config;
1657
a577fb5f
BW
1658 if (opts->commondir)
1659 repo_config = mkpathdup("%s/config", opts->commondir);
e145a0bc
NTND
1660 else
1661 repo_config = NULL;
5f1a63e0 1662
9acc5911 1663 current_parsing_scope = CONFIG_SCOPE_SYSTEM;
c72ee44b 1664 if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0))
dc871831
DB
1665 ret += git_config_from_file(fn, git_etc_gitconfig(),
1666 data);
5f1a63e0 1667
9acc5911 1668 current_parsing_scope = CONFIG_SCOPE_GLOBAL;
c72ee44b 1669 if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK))
21cf3227 1670 ret += git_config_from_file(fn, xdg_config, data);
21cf3227 1671
c72ee44b 1672 if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK))
21cf3227 1673 ret += git_config_from_file(fn, user_config, data);
5f1a63e0 1674
9acc5911 1675 current_parsing_scope = CONFIG_SCOPE_REPO;
c72ee44b 1676 if (repo_config && !access_or_die(repo_config, R_OK, 0))
aa387407 1677 ret += git_config_from_file(fn, repo_config, data);
8b1fa778 1678
9acc5911 1679 current_parsing_scope = CONFIG_SCOPE_CMDLINE;
c72ee44b 1680 if (git_config_from_parameters(fn, data) < 0)
8262aaa2 1681 die(_("unable to parse command-line config"));
8b1fa778 1682
9acc5911 1683 current_parsing_scope = CONFIG_SCOPE_UNKNOWN;
21cf3227
HKNN
1684 free(xdg_config);
1685 free(user_config);
80181868 1686 free(repo_config);
c72ee44b 1687 return ret;
4f629539
JH
1688}
1689
dc8441fd
BW
1690int config_with_options(config_fn_t fn, void *data,
1691 struct git_config_source *config_source,
1692 const struct config_options *opts)
dbdf5854 1693{
9b25a0b5
JK
1694 struct config_include_data inc = CONFIG_INCLUDE_INIT;
1695
c48f4b37 1696 if (opts->respect_includes) {
9b25a0b5
JK
1697 inc.fn = fn;
1698 inc.data = data;
c48f4b37 1699 inc.opts = opts;
9b25a0b5
JK
1700 fn = git_config_include;
1701 data = &inc;
1702 }
dbdf5854 1703
c9b5e2a5
JK
1704 /*
1705 * If we have a specific filename, use it. Otherwise, follow the
1706 * regular lookup sequence.
1707 */
3caec73b
KS
1708 if (config_source && config_source->use_stdin)
1709 return git_config_from_stdin(fn, data);
1710 else if (config_source && config_source->file)
c8985ce0
KS
1711 return git_config_from_file(fn, config_source->file, data);
1712 else if (config_source && config_source->blob)
1713 return git_config_from_blob_ref(fn, config_source->blob, data);
c9b5e2a5 1714
e145a0bc 1715 return do_git_config_sequence(opts, fn, data);
dbdf5854
NTND
1716}
1717
155ef25f 1718static void configset_iter(struct config_set *cs, config_fn_t fn, void *data)
c9b5e2a5 1719{
155ef25f
TA
1720 int i, value_index;
1721 struct string_list *values;
1722 struct config_set_element *entry;
1723 struct configset_list *list = &cs->list;
155ef25f
TA
1724
1725 for (i = 0; i < list->nr; i++) {
1726 entry = list->items[i].e;
1727 value_index = list->items[i].value_index;
1728 values = &entry->value_list;
0d44a2da
JK
1729
1730 current_config_kvi = values->items[value_index].util;
1731
1732 if (fn(entry->key, values->items[value_index].string, data) < 0)
1733 git_die_config_linenr(entry->key,
1734 current_config_kvi->filename,
1735 current_config_kvi->linenr);
1736
1737 current_config_kvi = NULL;
155ef25f
TA
1738 }
1739}
1740
0654aa57
JS
1741void read_early_config(config_fn_t cb, void *data)
1742{
c48f4b37 1743 struct config_options opts = {0};
d3fb71b3
BW
1744 struct strbuf commondir = STRBUF_INIT;
1745 struct strbuf gitdir = STRBUF_INIT;
1a27409a 1746
c48f4b37 1747 opts.respect_includes = 1;
0654aa57 1748
a577fb5f
BW
1749 if (have_git_dir()) {
1750 opts.commondir = get_git_common_dir();
2185fde5 1751 opts.git_dir = get_git_dir();
0654aa57 1752 /*
1a27409a
JS
1753 * When setup_git_directory() was not yet asked to discover the
1754 * GIT_DIR, we ask discover_git_directory() to figure out whether there
1755 * is any repository config we should use (but unlike
1756 * setup_git_directory_gently(), no global state is changed, most
1757 * notably, the current working directory is still the same after the
1758 * call).
0654aa57 1759 */
a577fb5f
BW
1760 } else if (!discover_git_directory(&commondir, &gitdir)) {
1761 opts.commondir = commondir.buf;
d3fb71b3 1762 opts.git_dir = gitdir.buf;
a577fb5f 1763 }
2185fde5 1764
dc8441fd 1765 config_with_options(cb, data, NULL, &opts);
0654aa57 1766
d3fb71b3
BW
1767 strbuf_release(&commondir);
1768 strbuf_release(&gitdir);
0654aa57
JS
1769}
1770
3c8687a7
TA
1771static struct config_set_element *configset_find_element(struct config_set *cs, const char *key)
1772{
1773 struct config_set_element k;
1774 struct config_set_element *found_entry;
1775 char *normalized_key;
3c8687a7
TA
1776 /*
1777 * `key` may come from the user, so normalize it before using it
1778 * for querying entries from the hashmap.
1779 */
270cd9ea 1780 if (git_config_parse_key(key, &normalized_key, NULL))
3c8687a7
TA
1781 return NULL;
1782
1783 hashmap_entry_init(&k, strhash(normalized_key));
1784 k.key = normalized_key;
1785 found_entry = hashmap_get(&cs->config_hash, &k, NULL);
1786 free(normalized_key);
1787 return found_entry;
1788}
1789
1790static int configset_add_value(struct config_set *cs, const char *key, const char *value)
1791{
1792 struct config_set_element *e;
3df8fd62 1793 struct string_list_item *si;
155ef25f 1794 struct configset_list_item *l_item;
3df8fd62
TA
1795 struct key_value_info *kv_info = xmalloc(sizeof(*kv_info));
1796
3c8687a7
TA
1797 e = configset_find_element(cs, key);
1798 /*
1799 * Since the keys are being fed by git_config*() callback mechanism, they
1800 * are already normalized. So simply add them without any further munging.
1801 */
1802 if (!e) {
1803 e = xmalloc(sizeof(*e));
1804 hashmap_entry_init(e, strhash(key));
1805 e->key = xstrdup(key);
1806 string_list_init(&e->value_list, 1);
1807 hashmap_add(&cs->config_hash, e);
1808 }
8c53f071 1809 si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value));
155ef25f
TA
1810
1811 ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc);
1812 l_item = &cs->list.items[cs->list.nr++];
1813 l_item->e = e;
1814 l_item->value_index = e->value_list.nr - 1;
1815
3258258f 1816 if (!cf)
033abf97 1817 BUG("configset_add_value has no source");
3258258f 1818 if (cf->name) {
3df8fd62
TA
1819 kv_info->filename = strintern(cf->name);
1820 kv_info->linenr = cf->linenr;
1b8132d9 1821 kv_info->origin_type = cf->origin_type;
3df8fd62
TA
1822 } else {
1823 /* for values read from `git_config_from_parameters()` */
1824 kv_info->filename = NULL;
1825 kv_info->linenr = -1;
1b8132d9 1826 kv_info->origin_type = CONFIG_ORIGIN_CMDLINE;
3df8fd62 1827 }
9acc5911 1828 kv_info->scope = current_parsing_scope;
3df8fd62 1829 si->util = kv_info;
3c8687a7
TA
1830
1831 return 0;
1832}
1833
7663cdc8 1834static int config_set_element_cmp(const void *unused_cmp_data,
77bdc097
SB
1835 const void *entry,
1836 const void *entry_or_key,
7663cdc8 1837 const void *unused_keydata)
3c8687a7 1838{
77bdc097
SB
1839 const struct config_set_element *e1 = entry;
1840 const struct config_set_element *e2 = entry_or_key;
1841
3c8687a7
TA
1842 return strcmp(e1->key, e2->key);
1843}
1844
1845void git_configset_init(struct config_set *cs)
1846{
77bdc097 1847 hashmap_init(&cs->config_hash, config_set_element_cmp, NULL, 0);
3c8687a7 1848 cs->hash_initialized = 1;
155ef25f
TA
1849 cs->list.nr = 0;
1850 cs->list.alloc = 0;
1851 cs->list.items = NULL;
3c8687a7
TA
1852}
1853
1854void git_configset_clear(struct config_set *cs)
1855{
1856 struct config_set_element *entry;
1857 struct hashmap_iter iter;
1858 if (!cs->hash_initialized)
1859 return;
1860
1861 hashmap_iter_init(&cs->config_hash, &iter);
1862 while ((entry = hashmap_iter_next(&iter))) {
1863 free(entry->key);
3df8fd62 1864 string_list_clear(&entry->value_list, 1);
3c8687a7
TA
1865 }
1866 hashmap_free(&cs->config_hash, 1);
1867 cs->hash_initialized = 0;
155ef25f
TA
1868 free(cs->list.items);
1869 cs->list.nr = 0;
1870 cs->list.alloc = 0;
1871 cs->list.items = NULL;
3c8687a7
TA
1872}
1873
1874static int config_set_callback(const char *key, const char *value, void *cb)
1875{
1876 struct config_set *cs = cb;
1877 configset_add_value(cs, key, value);
1878 return 0;
1879}
1880
1881int git_configset_add_file(struct config_set *cs, const char *filename)
1882{
1883 return git_config_from_file(config_set_callback, filename, cs);
1884}
1885
1886int git_configset_get_value(struct config_set *cs, const char *key, const char **value)
1887{
1888 const struct string_list *values = NULL;
1889 /*
1890 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
1891 * queried key in the files of the configset, the value returned will be the last
1892 * value in the value list for that key.
1893 */
1894 values = git_configset_get_value_multi(cs, key);
1895
1896 if (!values)
1897 return 1;
1898 assert(values->nr > 0);
1899 *value = values->items[values->nr - 1].string;
1900 return 0;
1901}
1902
1903const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key)
1904{
1905 struct config_set_element *e = configset_find_element(cs, key);
1906 return e ? &e->value_list : NULL;
1907}
1908
1909int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest)
1910{
1911 const char *value;
1912 if (!git_configset_get_value(cs, key, &value))
1913 return git_config_string(dest, key, value);
1914 else
1915 return 1;
1916}
1917
1918int git_configset_get_string(struct config_set *cs, const char *key, char **dest)
1919{
1920 return git_configset_get_string_const(cs, key, (const char **)dest);
1921}
1922
1923int git_configset_get_int(struct config_set *cs, const char *key, int *dest)
1924{
1925 const char *value;
1926 if (!git_configset_get_value(cs, key, &value)) {
1927 *dest = git_config_int(key, value);
1928 return 0;
1929 } else
1930 return 1;
1931}
1932
1933int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest)
1934{
1935 const char *value;
1936 if (!git_configset_get_value(cs, key, &value)) {
1937 *dest = git_config_ulong(key, value);
1938 return 0;
1939 } else
1940 return 1;
1941}
1942
1943int git_configset_get_bool(struct config_set *cs, const char *key, int *dest)
1944{
1945 const char *value;
1946 if (!git_configset_get_value(cs, key, &value)) {
1947 *dest = git_config_bool(key, value);
1948 return 0;
1949 } else
1950 return 1;
1951}
1952
1953int git_configset_get_bool_or_int(struct config_set *cs, const char *key,
1954 int *is_bool, int *dest)
1955{
1956 const char *value;
1957 if (!git_configset_get_value(cs, key, &value)) {
1958 *dest = git_config_bool_or_int(key, value, is_bool);
1959 return 0;
1960 } else
1961 return 1;
1962}
1963
1964int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest)
1965{
1966 const char *value;
1967 if (!git_configset_get_value(cs, key, &value)) {
89576613 1968 *dest = git_parse_maybe_bool(value);
3c8687a7
TA
1969 if (*dest == -1)
1970 return -1;
1971 return 0;
1972 } else
1973 return 1;
1974}
1975
1976int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest)
1977{
1978 const char *value;
1979 if (!git_configset_get_value(cs, key, &value))
1980 return git_config_pathname(dest, key, value);
1981 else
1982 return 1;
1983}
1984
3b256228
BW
1985/* Functions use to read configuration from a repository */
1986static void repo_read_config(struct repository *repo)
3c8687a7 1987{
3b256228
BW
1988 struct config_options opts;
1989
1990 opts.respect_includes = 1;
1991 opts.commondir = repo->commondir;
1992 opts.git_dir = repo->gitdir;
1993
1994 if (!repo->config)
1995 repo->config = xcalloc(1, sizeof(struct config_set));
1996 else
1997 git_configset_clear(repo->config);
1998
1999 git_configset_init(repo->config);
2000
2001 if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0)
2002 /*
2003 * config_with_options() normally returns only
2004 * zero, as most errors are fatal, and
2005 * non-fatal potential errors are guarded by "if"
2006 * statements that are entered only when no error is
2007 * possible.
2008 *
2009 * If we ever encounter a non-fatal error, it means
2010 * something went really wrong and we should stop
2011 * immediately.
2012 */
2013 die(_("unknown error occurred while reading the configuration files"));
2014}
2015
2016static void git_config_check_init(struct repository *repo)
2017{
2018 if (repo->config && repo->config->hash_initialized)
3c8687a7 2019 return;
3b256228 2020 repo_read_config(repo);
3c8687a7
TA
2021}
2022
3b256228 2023static void repo_config_clear(struct repository *repo)
3c8687a7 2024{
3b256228 2025 if (!repo->config || !repo->config->hash_initialized)
3c8687a7 2026 return;
3b256228 2027 git_configset_clear(repo->config);
3c8687a7
TA
2028}
2029
3b256228 2030void repo_config(struct repository *repo, config_fn_t fn, void *data)
3c8687a7 2031{
3b256228
BW
2032 git_config_check_init(repo);
2033 configset_iter(repo->config, fn, data);
3c8687a7
TA
2034}
2035
3b256228
BW
2036int repo_config_get_value(struct repository *repo,
2037 const char *key, const char **value)
3c8687a7 2038{
3b256228
BW
2039 git_config_check_init(repo);
2040 return git_configset_get_value(repo->config, key, value);
3c8687a7
TA
2041}
2042
3b256228
BW
2043const struct string_list *repo_config_get_value_multi(struct repository *repo,
2044 const char *key)
2045{
2046 git_config_check_init(repo);
2047 return git_configset_get_value_multi(repo->config, key);
2048}
2049
2050int repo_config_get_string_const(struct repository *repo,
2051 const char *key, const char **dest)
2052{
2053 int ret;
2054 git_config_check_init(repo);
2055 ret = git_configset_get_string_const(repo->config, key, dest);
2056 if (ret < 0)
2057 git_die_config(key, NULL);
2058 return ret;
2059}
2060
2061int repo_config_get_string(struct repository *repo,
2062 const char *key, char **dest)
2063{
2064 git_config_check_init(repo);
2065 return repo_config_get_string_const(repo, key, (const char **)dest);
2066}
2067
2068int repo_config_get_int(struct repository *repo,
2069 const char *key, int *dest)
2070{
2071 git_config_check_init(repo);
2072 return git_configset_get_int(repo->config, key, dest);
2073}
2074
2075int repo_config_get_ulong(struct repository *repo,
2076 const char *key, unsigned long *dest)
2077{
2078 git_config_check_init(repo);
2079 return git_configset_get_ulong(repo->config, key, dest);
2080}
2081
2082int repo_config_get_bool(struct repository *repo,
2083 const char *key, int *dest)
2084{
2085 git_config_check_init(repo);
2086 return git_configset_get_bool(repo->config, key, dest);
2087}
2088
2089int repo_config_get_bool_or_int(struct repository *repo,
2090 const char *key, int *is_bool, int *dest)
2091{
2092 git_config_check_init(repo);
2093 return git_configset_get_bool_or_int(repo->config, key, is_bool, dest);
2094}
2095
2096int repo_config_get_maybe_bool(struct repository *repo,
2097 const char *key, int *dest)
2098{
2099 git_config_check_init(repo);
2100 return git_configset_get_maybe_bool(repo->config, key, dest);
2101}
2102
2103int repo_config_get_pathname(struct repository *repo,
2104 const char *key, const char **dest)
3c8687a7 2105{
5a80e97c 2106 int ret;
3b256228
BW
2107 git_config_check_init(repo);
2108 ret = git_configset_get_pathname(repo->config, key, dest);
5a80e97c
TA
2109 if (ret < 0)
2110 git_die_config(key, NULL);
2111 return ret;
3c8687a7
TA
2112}
2113
3b256228
BW
2114/* Functions used historically to read configuration from 'the_repository' */
2115void git_config(config_fn_t fn, void *data)
2116{
2117 repo_config(the_repository, fn, data);
2118}
2119
2120void git_config_clear(void)
2121{
2122 repo_config_clear(the_repository);
2123}
2124
2125int git_config_get_value(const char *key, const char **value)
2126{
2127 return repo_config_get_value(the_repository, key, value);
2128}
2129
2130const struct string_list *git_config_get_value_multi(const char *key)
2131{
2132 return repo_config_get_value_multi(the_repository, key);
2133}
2134
2135int git_config_get_string_const(const char *key, const char **dest)
2136{
2137 return repo_config_get_string_const(the_repository, key, dest);
2138}
2139
3c8687a7
TA
2140int git_config_get_string(const char *key, char **dest)
2141{
3b256228 2142 return repo_config_get_string(the_repository, key, dest);
3c8687a7
TA
2143}
2144
2145int git_config_get_int(const char *key, int *dest)
2146{
3b256228 2147 return repo_config_get_int(the_repository, key, dest);
3c8687a7
TA
2148}
2149
2150int git_config_get_ulong(const char *key, unsigned long *dest)
2151{
3b256228 2152 return repo_config_get_ulong(the_repository, key, dest);
3c8687a7
TA
2153}
2154
2155int git_config_get_bool(const char *key, int *dest)
2156{
3b256228 2157 return repo_config_get_bool(the_repository, key, dest);
3c8687a7
TA
2158}
2159
2160int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest)
2161{
3b256228 2162 return repo_config_get_bool_or_int(the_repository, key, is_bool, dest);
3c8687a7
TA
2163}
2164
2165int git_config_get_maybe_bool(const char *key, int *dest)
2166{
3b256228 2167 return repo_config_get_maybe_bool(the_repository, key, dest);
3c8687a7
TA
2168}
2169
2170int git_config_get_pathname(const char *key, const char **dest)
2171{
3b256228 2172 return repo_config_get_pathname(the_repository, key, dest);
5a80e97c
TA
2173}
2174
b22e51cb
BW
2175/*
2176 * Note: This function exists solely to maintain backward compatibility with
2177 * 'fetch' and 'update_clone' storing configuration in '.gitmodules' and should
2178 * NOT be used anywhere else.
2179 *
2180 * Runs the provided config function on the '.gitmodules' file found in the
2181 * working directory.
2182 */
2183void config_from_gitmodules(config_fn_t fn, void *data)
2184{
2185 if (the_repository->worktree) {
2186 char *file = repo_worktree_path(the_repository, GITMODULES_FILE);
2187 git_config_from_file(fn, file, data);
2188 free(file);
2189 }
2190}
2191
77d67977
CC
2192int git_config_get_expiry(const char *key, const char **output)
2193{
2194 int ret = git_config_get_string_const(key, output);
2195 if (ret)
2196 return ret;
2197 if (strcmp(*output, "now")) {
dddbad72 2198 timestamp_t now = approxidate("now");
77d67977
CC
2199 if (approxidate(*output) >= now)
2200 git_die_config(key, _("Invalid %s: '%s'"), key, *output);
2201 }
2202 return ret;
2203}
2204
6e96cb52
JH
2205int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now)
2206{
2207 char *expiry_string;
2208 intmax_t days;
2209 timestamp_t when;
2210
2211 if (git_config_get_string(key, &expiry_string))
2212 return 1; /* no such thing */
2213
2214 if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) {
2215 const int scale = 86400;
2216 *expiry = now - days * scale;
2217 return 0;
2218 }
2219
2220 if (!parse_expiry_date(expiry_string, &when)) {
2221 *expiry = when;
2222 return 0;
2223 }
2224 return -1; /* thing exists but cannot be parsed */
2225}
2226
435ec090
CC
2227int git_config_get_untracked_cache(void)
2228{
2229 int val = -1;
2230 const char *v;
2231
dae6c322
CC
2232 /* Hack for test programs like test-dump-untracked-cache */
2233 if (ignore_untracked_cache_config)
2234 return -1;
2235
435ec090
CC
2236 if (!git_config_get_maybe_bool("core.untrackedcache", &val))
2237 return val;
2238
2239 if (!git_config_get_value("core.untrackedcache", &v)) {
2240 if (!strcasecmp(v, "keep"))
2241 return -1;
2242
f60ef2d6
CC
2243 error(_("unknown core.untrackedCache value '%s'; "
2244 "using 'keep' default value"), v);
435ec090
CC
2245 return -1;
2246 }
2247
2248 return -1; /* default value */
2249}
2250
1f44b09b
CC
2251int git_config_get_split_index(void)
2252{
2253 int val;
2254
2255 if (!git_config_get_maybe_bool("core.splitindex", &val))
2256 return val;
2257
2258 return -1; /* default value */
2259}
2260
72dcb7b3
CC
2261int git_config_get_max_percent_split_change(void)
2262{
2263 int val = -1;
2264
2265 if (!git_config_get_int("splitindex.maxpercentchange", &val)) {
2266 if (0 <= val && val <= 100)
2267 return val;
2268
2269 return error(_("splitIndex.maxPercentChange value '%d' "
2270 "should be between 0 and 100"), val);
2271 }
2272
2273 return -1; /* default value */
2274}
2275
883e248b
BP
2276int git_config_get_fsmonitor(void)
2277{
2278 if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor))
2279 core_fsmonitor = getenv("GIT_FSMONITOR_TEST");
2280
2281 if (core_fsmonitor && !*core_fsmonitor)
2282 core_fsmonitor = NULL;
2283
2284 if (core_fsmonitor)
2285 return 1;
2286
2287 return 0;
2288}
2289
5a80e97c
TA
2290NORETURN
2291void git_die_config_linenr(const char *key, const char *filename, int linenr)
2292{
2293 if (!filename)
2294 die(_("unable to parse '%s' from command-line config"), key);
2295 else
2296 die(_("bad config variable '%s' in file '%s' at line %d"),
2297 key, filename, linenr);
2298}
2299
2300NORETURN __attribute__((format(printf, 2, 3)))
2301void git_die_config(const char *key, const char *err, ...)
2302{
2303 const struct string_list *values;
2304 struct key_value_info *kv_info;
2305
2306 if (err) {
2307 va_list params;
2308 va_start(params, err);
2309 vreportf("error: ", err, params);
2310 va_end(params);
2311 }
2312 values = git_config_get_value_multi(key);
2313 kv_info = values->items[values->nr - 1].util;
2314 git_die_config_linenr(key, kv_info->filename, kv_info->linenr);
3c8687a7
TA
2315}
2316
10bea152
JS
2317/*
2318 * Find all the stuff for git_config_set() below.
2319 */
4ddba79d 2320
fee8572c 2321struct config_store_data {
10bea152 2322 int baselen;
4b25d091 2323 char *key;
f98d863d 2324 int do_not_match;
4b25d091 2325 regex_t *value_regex;
4ddba79d 2326 int multi_replace;
6ae996f2
JS
2327 struct {
2328 size_t begin, end;
2329 enum config_event_t type;
22aedfcc 2330 int is_keys_section;
6ae996f2
JS
2331 } *parsed;
2332 unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc;
5221c315 2333 unsigned int key_seen:1, section_seen:1, is_keys_section:1;
fee8572c 2334};
10bea152 2335
2a00e594
2336static void config_store_data_clear(struct config_store_data *store)
2337{
e7347cb9 2338 free(store->key);
3b82542d
2339 if (store->value_regex != NULL &&
2340 store->value_regex != CONFIG_REGEX_NONE) {
2341 regfree(store->value_regex);
2342 free(store->value_regex);
2343 }
2a00e594
2344 free(store->parsed);
2345 free(store->seen);
2346 memset(store, 0, sizeof(*store));
2347}
2348
fee8572c
JS
2349static int matches(const char *key, const char *value,
2350 const struct config_store_data *store)
f98d863d 2351{
fee8572c 2352 if (strcmp(key, store->key))
c1063be2 2353 return 0; /* not ours */
fee8572c 2354 if (!store->value_regex)
c1063be2 2355 return 1; /* always matches */
fee8572c 2356 if (store->value_regex == CONFIG_REGEX_NONE)
c1063be2
JK
2357 return 0; /* never matches */
2358
fee8572c
JS
2359 return store->do_not_match ^
2360 (value && !regexec(store->value_regex, value, 0, NULL, 0));
f98d863d
JS
2361}
2362
6ae996f2
JS
2363static int store_aux_event(enum config_event_t type,
2364 size_t begin, size_t end, void *data)
2365{
2366 struct config_store_data *store = data;
2367
2368 ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc);
2369 store->parsed[store->parsed_nr].begin = begin;
2370 store->parsed[store->parsed_nr].end = end;
2371 store->parsed[store->parsed_nr].type = type;
6ae996f2
JS
2372
2373 if (type == CONFIG_EVENT_SECTION) {
2374 if (cf->var.len < 2 || cf->var.buf[cf->var.len - 1] != '.')
438a87d1 2375 return error("invalid section name '%s'", cf->var.buf);
6ae996f2
JS
2376
2377 /* Is this the section we were looking for? */
22aedfcc
JS
2378 store->is_keys_section =
2379 store->parsed[store->parsed_nr].is_keys_section =
2380 cf->var.len - 1 == store->baselen &&
6ae996f2 2381 !strncasecmp(cf->var.buf, store->key, store->baselen);
c71d8bb3
JS
2382 if (store->is_keys_section) {
2383 store->section_seen = 1;
2384 ALLOC_GROW(store->seen, store->seen_nr + 1,
2385 store->seen_alloc);
2386 store->seen[store->seen_nr] = store->parsed_nr;
2387 }
6ae996f2
JS
2388 }
2389
22aedfcc
JS
2390 store->parsed_nr++;
2391
6ae996f2 2392 return 0;
f98d863d
JS
2393}
2394
4b25d091 2395static int store_aux(const char *key, const char *value, void *cb)
10bea152 2396{
fee8572c 2397 struct config_store_data *store = cb;
ae9ee41d 2398
5221c315 2399 if (store->key_seen) {
fee8572c 2400 if (matches(key, value, store)) {
668b9ade 2401 if (store->seen_nr == 1 && store->multi_replace == 0) {
8262aaa2 2402 warning(_("%s has multiple values"), key);
10bea152 2403 }
4ddba79d 2404
668b9ade
JS
2405 ALLOC_GROW(store->seen, store->seen_nr + 1,
2406 store->seen_alloc);
83786fa4 2407
6ae996f2 2408 store->seen[store->seen_nr] = store->parsed_nr;
668b9ade 2409 store->seen_nr++;
10bea152 2410 }
5221c315 2411 } else if (store->is_keys_section) {
ae9ee41d 2412 /*
6ae996f2
JS
2413 * Do not increment matches yet: this may not be a match, but we
2414 * are in the desired section.
ae9ee41d 2415 */
6ae996f2
JS
2416 ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc);
2417 store->seen[store->seen_nr] = store->parsed_nr;
5221c315 2418 store->section_seen = 1;
ae9ee41d 2419
6ae996f2
JS
2420 if (matches(key, value, store)) {
2421 store->seen_nr++;
2422 store->key_seen = 1;
bdf0ef08 2423 }
10bea152 2424 }
5221c315 2425
10bea152
JS
2426 return 0;
2427}
2428
64c0d71c 2429static int write_error(const char *filename)
480c9e52 2430{
64c0d71c 2431 error("failed to write new configuration file %s", filename);
480c9e52
AW
2432
2433 /* Same error code as "failed to rename". */
2434 return 4;
2435}
2436
fee8572c
JS
2437static struct strbuf store_create_section(const char *key,
2438 const struct config_store_data *store)
10bea152 2439{
cb891a59 2440 const char *dot;
d9bd4cbb 2441 int i;
f285a2d7 2442 struct strbuf sb = STRBUF_INIT;
d14f7764 2443
fee8572c 2444 dot = memchr(key, '.', store->baselen);
d14f7764 2445 if (dot) {
cb891a59 2446 strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key);
fee8572c 2447 for (i = dot - key + 1; i < store->baselen; i++) {
e5c349ba 2448 if (key[i] == '"' || key[i] == '\\')
cb891a59
KH
2449 strbuf_addch(&sb, '\\');
2450 strbuf_addch(&sb, key[i]);
d14f7764 2451 }
cb891a59
KH
2452 strbuf_addstr(&sb, "\"]\n");
2453 } else {
fee8572c 2454 strbuf_addf(&sb, "[%.*s]\n", store->baselen, key);
d14f7764
LT
2455 }
2456
5463caab
SD
2457 return sb;
2458}
2459
fee8572c
JS
2460static ssize_t write_section(int fd, const char *key,
2461 const struct config_store_data *store)
5463caab 2462{
fee8572c 2463 struct strbuf sb = store_create_section(key, store);
3b48045c 2464 ssize_t ret;
5463caab 2465
782c030e 2466 ret = write_in_full(fd, sb.buf, sb.len);
cb891a59 2467 strbuf_release(&sb);
480c9e52 2468
d9bd4cbb 2469 return ret;
10bea152
JS
2470}
2471
fee8572c
JS
2472static ssize_t write_pair(int fd, const char *key, const char *value,
2473 const struct config_store_data *store)
10bea152 2474{
d9bd4cbb
JK
2475 int i;
2476 ssize_t ret;
fee8572c 2477 int length = strlen(key + store->baselen + 1);
cb891a59 2478 const char *quote = "";
f285a2d7 2479 struct strbuf sb = STRBUF_INIT;
cdd4fb15 2480
6281f394
JM
2481 /*
2482 * Check to see if the value needs to be surrounded with a dq pair.
2483 * Note that problematic characters are always backslash-quoted; this
2484 * check is about not losing leading or trailing SP and strings that
2485 * follow beginning-of-comment characters (i.e. ';' and '#') by the
2486 * configuration parser.
2487 */
cdd4fb15 2488 if (value[0] == ' ')
cb891a59 2489 quote = "\"";
cdd4fb15
BG
2490 for (i = 0; value[i]; i++)
2491 if (value[i] == ';' || value[i] == '#')
cb891a59
KH
2492 quote = "\"";
2493 if (i && value[i - 1] == ' ')
2494 quote = "\"";
2495
cb891a59 2496 strbuf_addf(&sb, "\t%.*s = %s",
fee8572c 2497 length, key + store->baselen + 1, quote);
10bea152 2498
10bea152
JS
2499 for (i = 0; value[i]; i++)
2500 switch (value[i]) {
480c9e52 2501 case '\n':
cb891a59 2502 strbuf_addstr(&sb, "\\n");
480c9e52
AW
2503 break;
2504 case '\t':
cb891a59 2505 strbuf_addstr(&sb, "\\t");
480c9e52
AW
2506 break;
2507 case '"':
2508 case '\\':
cb891a59 2509 strbuf_addch(&sb, '\\');
1cf01a34 2510 /* fallthrough */
480c9e52 2511 default:
cb891a59 2512 strbuf_addch(&sb, value[i]);
480c9e52
AW
2513 break;
2514 }
cb891a59
KH
2515 strbuf_addf(&sb, "%s\n", quote);
2516
d9bd4cbb 2517 ret = write_in_full(fd, sb.buf, sb.len);
cb891a59
KH
2518 strbuf_release(&sb);
2519
d9bd4cbb 2520 return ret;
10bea152
JS
2521}
2522
22aedfcc
JS
2523/*
2524 * If we are about to unset the last key(s) in a section, and if there are
2525 * no comments surrounding (or included in) the section, we will want to
2526 * extend begin/end to remove the entire section.
2527 *
2528 * Note: the parameter `seen_ptr` points to the index into the store.seen
2529 * array. * This index may be incremented if a section has more than one
2530 * entry (which all are to be removed).
2531 */
2532static void maybe_remove_section(struct config_store_data *store,
2533 const char *contents,
2534 size_t *begin_offset, size_t *end_offset,
2535 int *seen_ptr)
4ddba79d 2536{
22aedfcc
JS
2537 size_t begin;
2538 int i, seen, section_seen = 0;
4ddba79d 2539
22aedfcc
JS
2540 /*
2541 * First, ensure that this is the first key, and that there are no
2542 * comments before the entry nor before the section header.
2543 */
2544 seen = *seen_ptr;
2545 for (i = store->seen[seen]; i > 0; i--) {
2546 enum config_event_t type = store->parsed[i - 1].type;
2547
2548 if (type == CONFIG_EVENT_COMMENT)
2549 /* There is a comment before this entry or section */
2550 return;
2551 if (type == CONFIG_EVENT_ENTRY) {
2552 if (!section_seen)
2553 /* This is not the section's first entry. */
2554 return;
2555 /* We encountered no comment before the section. */
2556 break;
2557 }
2558 if (type == CONFIG_EVENT_SECTION) {
2559 if (!store->parsed[i - 1].is_keys_section)
2560 break;
2561 section_seen = 1;
4ddba79d 2562 }
7a31cc0f 2563 }
22aedfcc
JS
2564 begin = store->parsed[i].begin;
2565
2566 /*
2567 * Next, make sure that we are removing he last key(s) in the section,
2568 * and that there are no comments that are possibly about the current
2569 * section.
2570 */
2571 for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) {
2572 enum config_event_t type = store->parsed[i].type;
4ddba79d 2573
22aedfcc
JS
2574 if (type == CONFIG_EVENT_COMMENT)
2575 return;
2576 if (type == CONFIG_EVENT_SECTION) {
2577 if (store->parsed[i].is_keys_section)
2578 continue;
2579 break;
2580 }
2581 if (type == CONFIG_EVENT_ENTRY) {
2582 if (++seen < store->seen_nr &&
2583 i == store->seen[seen])
2584 /* We want to remove this entry, too */
2585 continue;
2586 /* There is another entry in this section. */
2587 return;
2588 }
2589 }
2590
2591 /*
2592 * We are really removing the last entry/entries from this section, and
2593 * there are no enclosed or surrounding comments. Remove the entire,
2594 * now-empty section.
2595 */
2596 *seen_ptr = seen;
2597 *begin_offset = begin;
2598 if (i < store->parsed_nr)
2599 *end_offset = store->parsed[i].begin;
2600 else
2601 *end_offset = store->parsed[store->parsed_nr - 1].end;
4ddba79d
JS
2602}
2603
30598ad0
PS
2604int git_config_set_in_file_gently(const char *config_filename,
2605 const char *key, const char *value)
5ec31182 2606{
30598ad0 2607 return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0);
5ec31182
RR
2608}
2609
3d180648
PS
2610void git_config_set_in_file(const char *config_filename,
2611 const char *key, const char *value)
10bea152 2612{
3d180648 2613 git_config_set_multivar_in_file(config_filename, key, value, NULL, 0);
b4c8aba6
PS
2614}
2615
30598ad0 2616int git_config_set_gently(const char *key, const char *value)
10bea152 2617{
30598ad0 2618 return git_config_set_multivar_gently(key, value, NULL, 0);
10bea152
JS
2619}
2620
3d180648 2621void git_config_set(const char *key, const char *value)
b4c8aba6 2622{
3d180648 2623 git_config_set_multivar(key, value, NULL, 0);
10bea152
JS
2624}
2625
2626/*
2627 * If value==NULL, unset in (remove from) config,
2628 * if value_regex!=NULL, disregard key/value pairs where value does not match.
c1063be2
JK
2629 * if value_regex==CONFIG_REGEX_NONE, do not match any existing values
2630 * (only add a new one)
4ddba79d
JS
2631 * if multi_replace==0, nothing, or only one matching key/value is replaced,
2632 * else all matching key/values (regardless how many) are removed,
2633 * before the new pair is written.
10bea152
JS
2634 *
2635 * Returns 0 on success.
2636 *
2637 * This function does this:
2638 *
2639 * - it locks the config file by creating ".git/config.lock"
2640 *
2641 * - it then parses the config using store_aux() as validator to find
2642 * the position on the key/value pair to replace. If it is to be unset,
2643 * it must be found exactly once.
2644 *
2645 * - the config file is mmap()ed and the part before the match (if any) is
2646 * written to the lock file, then the changed part and the rest.
2647 *
2648 * - the config file is removed and the lock file rename()d to it.
2649 *
2650 */
30598ad0
PS
2651int git_config_set_multivar_in_file_gently(const char *config_filename,
2652 const char *key, const char *value,
2653 const char *value_regex,
2654 int multi_replace)
10bea152 2655{
54d160ec 2656 int fd = -1, in_fd = -1;
dafc88b1 2657 int ret;
bfffb48c 2658 struct lock_file lock = LOCK_INIT;
0a5f5759 2659 char *filename_buf = NULL;
3a1b3126
JK
2660 char *contents = NULL;
2661 size_t contents_sz;
fee8572c
JS
2662 struct config_store_data store;
2663
2664 memset(&store, 0, sizeof(store));
4ddba79d 2665
b09c53a3
LP
2666 /* parse-key returns negative; flip the sign to feed exit(3) */
2667 ret = 0 - git_config_parse_key(key, &store.key, &store.baselen);
2668 if (ret)
dafc88b1 2669 goto out_free;
b17e659d
JS
2670
2671 store.multi_replace = multi_replace;
10bea152 2672
0a5f5759
JK
2673 if (!config_filename)
2674 config_filename = filename_buf = git_pathdup("config");
10bea152
JS
2675
2676 /*
6cbf973c 2677 * The lock serves a purpose in addition to locking: the new
10bea152
JS
2678 * contents of .git/config will be written into it.
2679 */
bfffb48c 2680 fd = hold_lock_file_for_update(&lock, config_filename, 0);
6cbf973c 2681 if (fd < 0) {
f0658ec9 2682 error_errno("could not lock config file %s", config_filename);
7a397419 2683 ret = CONFIG_NO_LOCK;
dafc88b1 2684 goto out_free;
10bea152
JS
2685 }
2686
2687 /*
2688 * If .git/config does not exist yet, write a minimal version.
2689 */
88fb958b
AR
2690 in_fd = open(config_filename, O_RDONLY);
2691 if ( in_fd < 0 ) {
88fb958b 2692 if ( ENOENT != errno ) {
f0658ec9 2693 error_errno("opening %s", config_filename);
7a397419 2694 ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */
dafc88b1 2695 goto out_free;
88fb958b 2696 }
10bea152
JS
2697 /* if nothing to unset, error out */
2698 if (value == NULL) {
7a397419 2699 ret = CONFIG_NOTHING_SET;
dafc88b1 2700 goto out_free;
10bea152
JS
2701 }
2702
e7347cb9
2703 free(store.key);
2704 store.key = xstrdup(key);
fee8572c
JS
2705 if (write_section(fd, key, &store) < 0 ||
2706 write_pair(fd, key, value, &store) < 0)
93c1e079
JH
2707 goto write_err_out;
2708 } else {
88fb958b 2709 struct stat st;
3a1b3126 2710 size_t copy_begin, copy_end;
dc49cd76 2711 int i, new_line = 0;
6ae996f2 2712 struct config_options opts;
10bea152
JS
2713
2714 if (value_regex == NULL)
2715 store.value_regex = NULL;
c1063be2
JK
2716 else if (value_regex == CONFIG_REGEX_NONE)
2717 store.value_regex = CONFIG_REGEX_NONE;
10bea152 2718 else {
f98d863d
JS
2719 if (value_regex[0] == '!') {
2720 store.do_not_match = 1;
2721 value_regex++;
2722 } else
2723 store.do_not_match = 0;
2724
2d7320d0 2725 store.value_regex = (regex_t*)xmalloc(sizeof(regex_t));
10bea152
JS
2726 if (regcomp(store.value_regex, value_regex,
2727 REG_EXTENDED)) {
64c0d71c 2728 error("invalid pattern: %s", value_regex);
3b82542d 2729 FREE_AND_NULL(store.value_regex);
7a397419 2730 ret = CONFIG_INVALID_PATTERN;
dafc88b1 2731 goto out_free;
10bea152
JS
2732 }
2733 }
2734
6ae996f2
JS
2735 ALLOC_GROW(store.parsed, 1, store.parsed_alloc);
2736 store.parsed[0].end = 0;
2737
2738 memset(&opts, 0, sizeof(opts));
2739 opts.event_fn = store_aux_event;
2740 opts.event_fn_data = &store;
10bea152
JS
2741
2742 /*
6ae996f2
JS
2743 * After this, store.parsed will contain offsets of all the
2744 * parsed elements, and store.seen will contain a list of
2745 * matches, as indices into store.parsed.
2746 *
10bea152
JS
2747 * As a side effect, we make sure to transform only a valid
2748 * existing config file.
2749 */
6ae996f2
JS
2750 if (git_config_from_file_with_options(store_aux,
2751 config_filename,
2752 &store, &opts)) {
64c0d71c 2753 error("invalid config file %s", config_filename);
7a397419 2754 ret = CONFIG_INVALID_FILE;
dafc88b1 2755 goto out_free;
10bea152
JS
2756 }
2757
4ddba79d 2758 /* if nothing to unset, or too many matches, error out */
668b9ade
JS
2759 if ((store.seen_nr == 0 && value == NULL) ||
2760 (store.seen_nr > 1 && multi_replace == 0)) {
7a397419 2761 ret = CONFIG_NOTHING_SET;
dafc88b1 2762 goto out_free;
10bea152
JS
2763 }
2764
29647d79
NTND
2765 if (fstat(in_fd, &st) == -1) {
2766 error_errno(_("fstat on %s failed"), config_filename);
2767 ret = CONFIG_INVALID_FILE;
2768 goto out_free;
2769 }
2770
dc49cd76 2771 contents_sz = xsize_t(st.st_size);
1570856b
JK
2772 contents = xmmap_gently(NULL, contents_sz, PROT_READ,
2773 MAP_PRIVATE, in_fd, 0);
2774 if (contents == MAP_FAILED) {
0e8771f1
JK
2775 if (errno == ENODEV && S_ISDIR(st.st_mode))
2776 errno = EISDIR;
f0658ec9 2777 error_errno("unable to mmap '%s'", config_filename);
1570856b
JK
2778 ret = CONFIG_INVALID_FILE;
2779 contents = NULL;
2780 goto out_free;
2781 }
10bea152 2782 close(in_fd);
54d160ec 2783 in_fd = -1;
10bea152 2784
bfffb48c
JK
2785 if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
2786 error_errno("chmod on %s failed", get_lock_file_path(&lock));
daa22c6f
EW
2787 ret = CONFIG_NO_WRITE;
2788 goto out_free;
2789 }
2790
6ae996f2
JS
2791 if (store.seen_nr == 0) {
2792 if (!store.seen_alloc) {
2793 /* Did not see key nor section */
2794 ALLOC_GROW(store.seen, 1, store.seen_alloc);
2795 store.seen[0] = store.parsed_nr
2796 - !!store.parsed_nr;
2797 }
668b9ade 2798 store.seen_nr = 1;
6ae996f2 2799 }
4ddba79d 2800
668b9ade 2801 for (i = 0, copy_begin = 0; i < store.seen_nr; i++) {
6ae996f2
JS
2802 size_t replace_end;
2803 int j = store.seen[i];
2804
46fc89ce 2805 new_line = 0;
6ae996f2 2806 if (!store.key_seen) {
c71d8bb3
JS
2807 copy_end = store.parsed[j].end;
2808 /* include '\n' when copying section header */
2809 if (copy_end > 0 && copy_end < contents_sz &&
2810 contents[copy_end - 1] != '\n' &&
2811 contents[copy_end] == '\n')
2812 copy_end++;
2813 replace_end = copy_end;
6ae996f2
JS
2814 } else {
2815 replace_end = store.parsed[j].end;
2816 copy_end = store.parsed[j].begin;
22aedfcc
JS
2817 if (!value)
2818 maybe_remove_section(&store, contents,
2819 &copy_end,
2820 &replace_end, &i);
6ae996f2
JS
2821 /*
2822 * Swallow preceding white-space on the same
2823 * line.
2824 */
2825 while (copy_end > 0 ) {
2826 char c = contents[copy_end - 1];
2827
2828 if (isspace(c) && c != '\n')
2829 copy_end--;
2830 else
2831 break;
2832 }
2833 }
4ddba79d 2834
02e5ba4a
JK
2835 if (copy_end > 0 && contents[copy_end-1] != '\n')
2836 new_line = 1;
2837
4ddba79d
JS
2838 /* write the first part of the config */
2839 if (copy_end > copy_begin) {
93c1e079 2840 if (write_in_full(fd, contents + copy_begin,
efacf609 2841 copy_end - copy_begin) < 0)
93c1e079
JH
2842 goto write_err_out;
2843 if (new_line &&
06f46f23 2844 write_str_in_full(fd, "\n") < 0)
93c1e079 2845 goto write_err_out;
4ddba79d 2846 }
6ae996f2 2847 copy_begin = replace_end;
10bea152
JS
2848 }
2849
10bea152
JS
2850 /* write the pair (value == NULL means unset) */
2851 if (value != NULL) {
5221c315 2852 if (!store.section_seen) {
fee8572c 2853 if (write_section(fd, key, &store) < 0)
93c1e079 2854 goto write_err_out;
480c9e52 2855 }
fee8572c 2856 if (write_pair(fd, key, value, &store) < 0)
93c1e079 2857 goto write_err_out;
10bea152
JS
2858 }
2859
2860 /* write the rest of the config */
dc49cd76 2861 if (copy_begin < contents_sz)
93c1e079 2862 if (write_in_full(fd, contents + copy_begin,
efacf609 2863 contents_sz - copy_begin) < 0)
93c1e079 2864 goto write_err_out;
7a64592c
KB
2865
2866 munmap(contents, contents_sz);
2867 contents = NULL;
10bea152
JS
2868 }
2869
bfffb48c 2870 if (commit_lock_file(&lock) < 0) {
f0658ec9 2871 error_errno("could not write config file %s", config_filename);
7a397419 2872 ret = CONFIG_NO_WRITE;
dafc88b1 2873 goto out_free;
10bea152
JS
2874 }
2875
dafc88b1
SH
2876 ret = 0;
2877
3c8687a7
TA
2878 /* Invalidate the config cache */
2879 git_config_clear();
2880
dafc88b1 2881out_free:
bfffb48c 2882 rollback_lock_file(&lock);
0a5f5759 2883 free(filename_buf);
3a1b3126
JK
2884 if (contents)
2885 munmap(contents, contents_sz);
54d160ec
SS
2886 if (in_fd >= 0)
2887 close(in_fd);
2a00e594 2888 config_store_data_clear(&store);
dafc88b1 2889 return ret;
93c1e079
JH
2890
2891write_err_out:
bfffb48c 2892 ret = write_error(get_lock_file_path(&lock));
93c1e079
JH
2893 goto out_free;
2894
10bea152
JS
2895}
2896
3d180648
PS
2897void git_config_set_multivar_in_file(const char *config_filename,
2898 const char *key, const char *value,
2899 const char *value_regex, int multi_replace)
b4c8aba6 2900{
1cae428e
JK
2901 if (!git_config_set_multivar_in_file_gently(config_filename, key, value,
2902 value_regex, multi_replace))
2903 return;
2904 if (value)
8c3ca351 2905 die(_("could not set '%s' to '%s'"), key, value);
1cae428e
JK
2906 else
2907 die(_("could not unset '%s'"), key);
b4c8aba6
PS
2908}
2909
30598ad0
PS
2910int git_config_set_multivar_gently(const char *key, const char *value,
2911 const char *value_regex, int multi_replace)
5ec31182 2912{
30598ad0
PS
2913 return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex,
2914 multi_replace);
5ec31182
RR
2915}
2916
3d180648
PS
2917void git_config_set_multivar(const char *key, const char *value,
2918 const char *value_regex, int multi_replace)
5ec31182 2919{
3d180648
PS
2920 git_config_set_multivar_in_file(NULL, key, value, value_regex,
2921 multi_replace);
5ec31182
RR
2922}
2923
118f8b24
PB
2924static int section_name_match (const char *buf, const char *name)
2925{
2926 int i = 0, j = 0, dot = 0;
a4c0d463
AV
2927 if (buf[i] != '[')
2928 return 0;
2929 for (i = 1; buf[i] && buf[i] != ']'; i++) {
118f8b24
PB
2930 if (!dot && isspace(buf[i])) {
2931 dot = 1;
2932 if (name[j++] != '.')
2933 break;
2934 for (i++; isspace(buf[i]); i++)
2935 ; /* do nothing */
2936 if (buf[i] != '"')
2937 break;
2938 continue;
2939 }
2940 if (buf[i] == '\\' && dot)
2941 i++;
2942 else if (buf[i] == '"' && dot) {
2943 for (i++; isspace(buf[i]); i++)
2944 ; /* do_nothing */
2945 break;
2946 }
2947 if (buf[i] != name[j++])
2948 break;
2949 }
a4c0d463
AV
2950 if (buf[i] == ']' && name[j] == 0) {
2951 /*
2952 * We match, now just find the right length offset by
2953 * gobbling up any whitespace after it, as well
2954 */
2955 i++;
2956 for (; buf[i] && isspace(buf[i]); i++)
2957 ; /* do nothing */
2958 return i;
2959 }
2960 return 0;
118f8b24
PB
2961}
2962
94a35b1a
JK
2963static int section_name_is_ok(const char *name)
2964{
2965 /* Empty section names are bogus. */
2966 if (!*name)
2967 return 0;
2968
2969 /*
2970 * Before a dot, we must be alphanumeric or dash. After the first dot,
2971 * anything goes, so we can stop checking.
2972 */
2973 for (; *name && *name != '.'; name++)
2974 if (*name != '-' && !isalnum(*name))
2975 return 0;
2976 return 1;
2977}
2978
118f8b24 2979/* if new_name == NULL, the section is removed instead */
52d59cc6 2980static int git_config_copy_or_rename_section_in_file(const char *config_filename,
fee8572c
JS
2981 const char *old_name,
2982 const char *new_name, int copy)
0667fcfb 2983{
118f8b24 2984 int ret = 0, remove = 0;
42bd39b5 2985 char *filename_buf = NULL;
837e34eb 2986 struct lock_file lock = LOCK_INIT;
0667fcfb
JS
2987 int out_fd;
2988 char buf[1024];
4db7dbdb 2989 FILE *config_file = NULL;
daa22c6f 2990 struct stat st;
52d59cc6 2991 struct strbuf copystr = STRBUF_INIT;
fee8572c
JS
2992 struct config_store_data store;
2993
2994 memset(&store, 0, sizeof(store));
0667fcfb 2995
94a35b1a
JK
2996 if (new_name && !section_name_is_ok(new_name)) {
2997 ret = error("invalid section name: %s", new_name);
c06fa62d 2998 goto out_no_rollback;
94a35b1a
JK
2999 }
3000
42bd39b5
JK
3001 if (!config_filename)
3002 config_filename = filename_buf = git_pathdup("config");
3003
837e34eb 3004 out_fd = hold_lock_file_for_update(&lock, config_filename, 0);
fc1905bb 3005 if (out_fd < 0) {
64c0d71c 3006 ret = error("could not lock config file %s", config_filename);
fc1905bb
JH
3007 goto out;
3008 }
0667fcfb 3009
fc1905bb 3010 if (!(config_file = fopen(config_filename, "rb"))) {
11dc1fcb
NTND
3011 ret = warn_on_fopen_errors(config_filename);
3012 if (ret)
3013 goto out;
01ebb9dc 3014 /* no config file means nothing to rename, no error */
6e45b43f 3015 goto commit_and_out;
fc1905bb 3016 }
0667fcfb 3017
29647d79
NTND
3018 if (fstat(fileno(config_file), &st) == -1) {
3019 ret = error_errno(_("fstat on %s failed"), config_filename);
3020 goto out;
3021 }
daa22c6f 3022
837e34eb 3023 if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
f0658ec9 3024 ret = error_errno("chmod on %s failed",
837e34eb 3025 get_lock_file_path(&lock));
daa22c6f
EW
3026 goto out;
3027 }
3028
0667fcfb
JS
3029 while (fgets(buf, sizeof(buf), config_file)) {
3030 int i;
480c9e52 3031 int length;
52d59cc6 3032 int is_section = 0;
9a5abfc7 3033 char *output = buf;
0667fcfb
JS
3034 for (i = 0; buf[i] && isspace(buf[i]); i++)
3035 ; /* do nothing */
3036 if (buf[i] == '[') {
3037 /* it's a section */
52d59cc6
SD
3038 int offset;
3039 is_section = 1;
3040
3041 /*
3042 * When encountering a new section under -c we
3043 * need to flush out any section we're already
3044 * coping and begin anew. There might be
3045 * multiple [branch "$name"] sections.
3046 */
3047 if (copystr.len > 0) {
c5e3bc6e 3048 if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
0b646bca 3049 ret = write_error(get_lock_file_path(&lock));
52d59cc6
SD
3050 goto out;
3051 }
3052 strbuf_reset(&copystr);
3053 }
3054
3055 offset = section_name_match(&buf[i], old_name);
a4c0d463 3056 if (offset > 0) {
118f8b24
PB
3057 ret++;
3058 if (new_name == NULL) {
3059 remove = 1;
0667fcfb
JS
3060 continue;
3061 }
0667fcfb 3062 store.baselen = strlen(new_name);
52d59cc6 3063 if (!copy) {
fee8572c 3064 if (write_section(out_fd, new_name, &store) < 0) {
0b646bca 3065 ret = write_error(get_lock_file_path(&lock));
52d59cc6
SD
3066 goto out;
3067 }
9a5abfc7 3068 /*
52d59cc6
SD
3069 * We wrote out the new section, with
3070 * a newline, now skip the old
3071 * section's length
9a5abfc7 3072 */
52d59cc6
SD
3073 output += offset + i;
3074 if (strlen(output) > 0) {
3075 /*
3076 * More content means there's
3077 * a declaration to put on the
3078 * next line; indent with a
3079 * tab
3080 */
3081 output -= 1;
3082 output[0] = '\t';
3083 }
3084 } else {
fee8572c 3085 copystr = store_create_section(new_name, &store);
9a5abfc7 3086 }
0667fcfb 3087 }
118f8b24 3088 remove = 0;
0667fcfb 3089 }
118f8b24
PB
3090 if (remove)
3091 continue;
9a5abfc7 3092 length = strlen(output);
52d59cc6
SD
3093
3094 if (!is_section && copystr.len > 0) {
3095 strbuf_add(&copystr, output, length);
3096 }
3097
06f46f23 3098 if (write_in_full(out_fd, output, length) < 0) {
837e34eb 3099 ret = write_error(get_lock_file_path(&lock));
480c9e52
AW
3100 goto out;
3101 }
0667fcfb 3102 }
52d59cc6
SD
3103
3104 /*
3105 * Copy a trailing section at the end of the config, won't be
3106 * flushed by the usual "flush because we have a new section
3107 * logic in the loop above.
3108 */
3109 if (copystr.len > 0) {
c5e3bc6e 3110 if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
0b646bca 3111 ret = write_error(get_lock_file_path(&lock));
52d59cc6
SD
3112 goto out;
3113 }
3114 strbuf_reset(&copystr);
3115 }
3116
fc1905bb 3117 fclose(config_file);
4db7dbdb 3118 config_file = NULL;
6e45b43f 3119commit_and_out:
837e34eb 3120 if (commit_lock_file(&lock) < 0)
f0658ec9
NTND
3121 ret = error_errno("could not write config file %s",
3122 config_filename);
8b590075 3123out:
4db7dbdb
JS
3124 if (config_file)
3125 fclose(config_file);
837e34eb 3126 rollback_lock_file(&lock);
c06fa62d 3127out_no_rollback:
42bd39b5 3128 free(filename_buf);
2a00e594 3129 config_store_data_clear(&store);
0667fcfb
JS
3130 return ret;
3131}
40ea4ed9 3132
52d59cc6
SD
3133int git_config_rename_section_in_file(const char *config_filename,
3134 const char *old_name, const char *new_name)
3135{
3136 return git_config_copy_or_rename_section_in_file(config_filename,
3137 old_name, new_name, 0);
3138}
3139
42bd39b5
JK
3140int git_config_rename_section(const char *old_name, const char *new_name)
3141{
4a7bb5ba 3142 return git_config_rename_section_in_file(NULL, old_name, new_name);
42bd39b5
JK
3143}
3144
52d59cc6
SD
3145int git_config_copy_section_in_file(const char *config_filename,
3146 const char *old_name, const char *new_name)
3147{
3148 return git_config_copy_or_rename_section_in_file(config_filename,
3149 old_name, new_name, 1);
3150}
3151
3152int git_config_copy_section(const char *old_name, const char *new_name)
3153{
3154 return git_config_copy_section_in_file(NULL, old_name, new_name);
3155}
3156
40ea4ed9
JH
3157/*
3158 * Call this to report error for your variable that should not
3159 * get a boolean value (i.e. "[my] var" means "true").
3160 */
a469a101 3161#undef config_error_nonbool
40ea4ed9
JH
3162int config_error_nonbool(const char *var)
3163{
8c3ca351 3164 return error("missing value for '%s'", var);
40ea4ed9 3165}
1b86bbb0
JK
3166
3167int parse_config_key(const char *var,
3168 const char *section,
3169 const char **subsection, int *subsection_len,
3170 const char **key)
3171{
1b86bbb0
JK
3172 const char *dot;
3173
3174 /* Does it start with "section." ? */
e3394fdc 3175 if (!skip_prefix(var, section, &var) || *var != '.')
1b86bbb0
JK
3176 return -1;
3177
3178 /*
3179 * Find the key; we don't know yet if we have a subsection, but we must
3180 * parse backwards from the end, since the subsection may have dots in
3181 * it, too.
3182 */
3183 dot = strrchr(var, '.');
3184 *key = dot + 1;
3185
3186 /* Did we have a subsection at all? */
e3394fdc 3187 if (dot == var) {
48f8d9f7
JK
3188 if (subsection) {
3189 *subsection = NULL;
3190 *subsection_len = 0;
3191 }
1b86bbb0
JK
3192 }
3193 else {
48f8d9f7
JK
3194 if (!subsection)
3195 return -1;
e3394fdc 3196 *subsection = var + 1;
1b86bbb0
JK
3197 *subsection_len = dot - *subsection;
3198 }
3199
3200 return 0;
3201}
473166b9
LS
3202
3203const char *current_config_origin_type(void)
3204{
1b8132d9 3205 int type;
0d44a2da
JK
3206 if (current_config_kvi)
3207 type = current_config_kvi->origin_type;
3208 else if(cf)
3209 type = cf->origin_type;
3210 else
033abf97 3211 BUG("current_config_origin_type called outside config callback");
1b8132d9
VA
3212
3213 switch (type) {
3214 case CONFIG_ORIGIN_BLOB:
3215 return "blob";
3216 case CONFIG_ORIGIN_FILE:
3217 return "file";
3218 case CONFIG_ORIGIN_STDIN:
3219 return "standard input";
3220 case CONFIG_ORIGIN_SUBMODULE_BLOB:
3221 return "submodule-blob";
3222 case CONFIG_ORIGIN_CMDLINE:
3223 return "command line";
3224 default:
033abf97 3225 BUG("unknown config origin type");
1b8132d9 3226 }
473166b9
LS
3227}
3228
3229const char *current_config_name(void)
3230{
0d44a2da
JK
3231 const char *name;
3232 if (current_config_kvi)
3233 name = current_config_kvi->filename;
3234 else if (cf)
3235 name = cf->name;
3236 else
033abf97 3237 BUG("current_config_name called outside config callback");
0d44a2da 3238 return name ? name : "";
473166b9 3239}
9acc5911
JK
3240
3241enum config_scope current_config_scope(void)
3242{
3243 if (current_config_kvi)
3244 return current_config_kvi->scope;
3245 else
3246 return current_parsing_scope;
473166b9 3247}
a73b3680
NTND
3248
3249int lookup_config(const char **mapping, int nr_mapping, const char *var)
3250{
3251 int i;
3252
3253 for (i = 0; i < nr_mapping; i++) {
3254 const char *name = mapping[i];
3255
3256 if (name && !strcasecmp(var, name))
3257 return i;
3258 }
3259 return -1;
3260}