2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Johannes Schindelin, 2005
12 #include "environment.h"
13 #include "repository.h"
19 #include "string-list.h"
20 #include "object-store.h"
27 struct config_source
{
28 struct config_source
*prev
;
37 enum config_origin_type origin_type
;
40 enum config_error_action default_error_action
;
46 unsigned subsection_case_sensitive
: 1;
48 int (*do_fgetc
)(struct config_source
*c
);
49 int (*do_ungetc
)(int c
, struct config_source
*conf
);
50 long (*do_ftell
)(struct config_source
*c
);
52 #define CONFIG_SOURCE_INIT { 0 }
54 struct config_reader
{
56 * These members record the "current" config source, which can be
57 * accessed by parsing callbacks.
59 * The "source" variable will be non-NULL only when we are actually
60 * parsing a real config source (file, blob, cmdline, etc).
62 * The "config_kvi" variable will be non-NULL only when we are feeding
63 * cached config from a configset into a callback.
65 * They cannot be non-NULL at the same time. If they are both NULL, then
66 * we aren't parsing anything (and depending on the function looking at
67 * the variables, it's either a bug for it to be called in the first
68 * place, or it's a function which can be reused for non-config
69 * purposes, and should fall back to some sane behavior).
71 struct config_source
*source
;
72 struct key_value_info
*config_kvi
;
75 * Where possible, prefer to accept "struct config_reader" as an arg than to use
76 * "the_reader". "the_reader" should only be used if that is infeasible, e.g. in
79 static struct config_reader the_reader
;
82 * Similar to the variables above, this gives access to the "scope" of the
83 * current value (repo, global, etc). For cached values, it can be found via
84 * the current_config_kvi as above. During parsing, the current value can be
85 * found in this variable. It's not part of "cf_global" because it transcends a
86 * single file (i.e., a file included from .git/config is still in "repo"
89 static enum config_scope current_parsing_scope
;
91 static inline void config_reader_push_source(struct config_reader
*reader
,
92 struct config_source
*top
)
94 if (reader
->config_kvi
)
95 BUG("source should not be set while iterating a config set");
96 top
->prev
= reader
->source
;
100 static inline struct config_source
*config_reader_pop_source(struct config_reader
*reader
)
102 struct config_source
*ret
;
104 BUG("tried to pop config source, but we weren't reading config");
105 ret
= reader
->source
;
106 reader
->source
= reader
->source
->prev
;
110 static inline void config_reader_set_kvi(struct config_reader
*reader
,
111 struct key_value_info
*kvi
)
113 if (kvi
&& reader
->source
)
114 BUG("kvi should not be set while parsing a config source");
115 reader
->config_kvi
= kvi
;
118 static int pack_compression_seen
;
119 static int zlib_compression_seen
;
122 * Config that comes from trusted scopes, namely:
123 * - CONFIG_SCOPE_SYSTEM (e.g. /etc/gitconfig)
124 * - CONFIG_SCOPE_GLOBAL (e.g. $HOME/.gitconfig, $XDG_CONFIG_HOME/git)
125 * - CONFIG_SCOPE_COMMAND (e.g. "-c" option, environment variables)
127 * This is declared here for code cleanliness, but unlike the other
128 * static variables, this does not hold config parser state.
130 static struct config_set protected_config
;
132 static int config_file_fgetc(struct config_source
*conf
)
134 return getc_unlocked(conf
->u
.file
);
137 static int config_file_ungetc(int c
, struct config_source
*conf
)
139 return ungetc(c
, conf
->u
.file
);
142 static long config_file_ftell(struct config_source
*conf
)
144 return ftell(conf
->u
.file
);
148 static int config_buf_fgetc(struct config_source
*conf
)
150 if (conf
->u
.buf
.pos
< conf
->u
.buf
.len
)
151 return conf
->u
.buf
.buf
[conf
->u
.buf
.pos
++];
156 static int config_buf_ungetc(int c
, struct config_source
*conf
)
158 if (conf
->u
.buf
.pos
> 0) {
160 if (conf
->u
.buf
.buf
[conf
->u
.buf
.pos
] != c
)
161 BUG("config_buf can only ungetc the same character");
168 static long config_buf_ftell(struct config_source
*conf
)
170 return conf
->u
.buf
.pos
;
173 struct config_include_data
{
177 const struct config_options
*opts
;
178 struct git_config_source
*config_source
;
179 struct config_reader
*config_reader
;
182 * All remote URLs discovered when reading all config files.
184 struct string_list
*remote_urls
;
186 #define CONFIG_INCLUDE_INIT { 0 }
188 static int git_config_include(const char *var
, const char *value
, void *data
);
190 #define MAX_INCLUDE_DEPTH 10
191 static const char include_depth_advice
[] = N_(
192 "exceeded maximum include depth (%d) while including\n"
196 "This might be due to circular includes.");
197 static int handle_path_include(struct config_source
*cf
, const char *path
,
198 struct config_include_data
*inc
)
201 struct strbuf buf
= STRBUF_INIT
;
205 return config_error_nonbool("include.path");
207 expanded
= interpolate_path(path
, 0);
209 return error(_("could not expand include path '%s'"), path
);
213 * Use an absolute path as-is, but interpret relative paths
214 * based on the including config file.
216 if (!is_absolute_path(path
)) {
219 if (!cf
|| !cf
->path
) {
220 ret
= error(_("relative config includes must come from files"));
224 slash
= find_last_dir_sep(cf
->path
);
226 strbuf_add(&buf
, cf
->path
, slash
- cf
->path
+ 1);
227 strbuf_addstr(&buf
, path
);
231 if (!access_or_die(path
, R_OK
, 0)) {
232 if (++inc
->depth
> MAX_INCLUDE_DEPTH
)
233 die(_(include_depth_advice
), MAX_INCLUDE_DEPTH
, path
,
235 cf
->name
? cf
->name
:
237 ret
= git_config_from_file(git_config_include
, path
, inc
);
241 strbuf_release(&buf
);
246 static void add_trailing_starstar_for_dir(struct strbuf
*pat
)
248 if (pat
->len
&& is_dir_sep(pat
->buf
[pat
->len
- 1]))
249 strbuf_addstr(pat
, "**");
252 static int prepare_include_condition_pattern(struct config_source
*cf
,
255 struct strbuf path
= STRBUF_INIT
;
259 expanded
= interpolate_path(pat
->buf
, 1);
262 strbuf_addstr(pat
, expanded
);
266 if (pat
->buf
[0] == '.' && is_dir_sep(pat
->buf
[1])) {
269 if (!cf
|| !cf
->path
)
270 return error(_("relative config include "
271 "conditionals must come from files"));
273 strbuf_realpath(&path
, cf
->path
, 1);
274 slash
= find_last_dir_sep(path
.buf
);
276 BUG("how is this possible?");
277 strbuf_splice(pat
, 0, 1, path
.buf
, slash
- path
.buf
);
278 prefix
= slash
- path
.buf
+ 1 /* slash */;
279 } else if (!is_absolute_path(pat
->buf
))
280 strbuf_insertstr(pat
, 0, "**/");
282 add_trailing_starstar_for_dir(pat
);
284 strbuf_release(&path
);
288 static int include_by_gitdir(struct config_source
*cf
,
289 const struct config_options
*opts
,
290 const char *cond
, size_t cond_len
, int icase
)
292 struct strbuf text
= STRBUF_INIT
;
293 struct strbuf pattern
= STRBUF_INIT
;
296 int already_tried_absolute
= 0;
299 git_dir
= opts
->git_dir
;
303 strbuf_realpath(&text
, git_dir
, 1);
304 strbuf_add(&pattern
, cond
, cond_len
);
305 prefix
= prepare_include_condition_pattern(cf
, &pattern
);
313 * perform literal matching on the prefix part so that
314 * any wildcard character in it can't create side effects.
316 if (text
.len
< prefix
)
318 if (!icase
&& strncmp(pattern
.buf
, text
.buf
, prefix
))
320 if (icase
&& strncasecmp(pattern
.buf
, text
.buf
, prefix
))
324 ret
= !wildmatch(pattern
.buf
+ prefix
, text
.buf
+ prefix
,
325 WM_PATHNAME
| (icase
? WM_CASEFOLD
: 0));
327 if (!ret
&& !already_tried_absolute
) {
329 * We've tried e.g. matching gitdir:~/work, but if
330 * ~/work is a symlink to /mnt/storage/work
331 * strbuf_realpath() will expand it, so the rule won't
332 * match. Let's match against a
333 * strbuf_add_absolute_path() version of the path,
334 * which'll do the right thing
337 strbuf_add_absolute_path(&text
, git_dir
);
338 already_tried_absolute
= 1;
342 strbuf_release(&pattern
);
343 strbuf_release(&text
);
347 static int include_by_branch(const char *cond
, size_t cond_len
)
351 struct strbuf pattern
= STRBUF_INIT
;
352 const char *refname
= !the_repository
->gitdir
?
353 NULL
: resolve_ref_unsafe("HEAD", 0, NULL
, &flags
);
354 const char *shortname
;
356 if (!refname
|| !(flags
& REF_ISSYMREF
) ||
357 !skip_prefix(refname
, "refs/heads/", &shortname
))
360 strbuf_add(&pattern
, cond
, cond_len
);
361 add_trailing_starstar_for_dir(&pattern
);
362 ret
= !wildmatch(pattern
.buf
, shortname
, WM_PATHNAME
);
363 strbuf_release(&pattern
);
367 static int add_remote_url(const char *var
, const char *value
, void *data
)
369 struct string_list
*remote_urls
= data
;
370 const char *remote_name
;
371 size_t remote_name_len
;
374 if (!parse_config_key(var
, "remote", &remote_name
, &remote_name_len
,
378 string_list_append(remote_urls
, value
);
382 static void populate_remote_urls(struct config_include_data
*inc
)
384 struct config_options opts
;
386 enum config_scope store_scope
= current_parsing_scope
;
389 opts
.unconditional_remote_url
= 1;
391 current_parsing_scope
= 0;
393 inc
->remote_urls
= xmalloc(sizeof(*inc
->remote_urls
));
394 string_list_init_dup(inc
->remote_urls
);
395 config_with_options(add_remote_url
, inc
->remote_urls
, inc
->config_source
, &opts
);
397 current_parsing_scope
= store_scope
;
400 static int forbid_remote_url(const char *var
, const char *value UNUSED
,
403 const char *remote_name
;
404 size_t remote_name_len
;
407 if (!parse_config_key(var
, "remote", &remote_name
, &remote_name_len
,
411 die(_("remote URLs cannot be configured in file directly or indirectly included by includeIf.hasconfig:remote.*.url"));
415 static int at_least_one_url_matches_glob(const char *glob
, int glob_len
,
416 struct string_list
*remote_urls
)
418 struct strbuf pattern
= STRBUF_INIT
;
419 struct string_list_item
*url_item
;
422 strbuf_add(&pattern
, glob
, glob_len
);
423 for_each_string_list_item(url_item
, remote_urls
) {
424 if (!wildmatch(pattern
.buf
, url_item
->string
, WM_PATHNAME
)) {
429 strbuf_release(&pattern
);
433 static int include_by_remote_url(struct config_include_data
*inc
,
434 const char *cond
, size_t cond_len
)
436 if (inc
->opts
->unconditional_remote_url
)
438 if (!inc
->remote_urls
)
439 populate_remote_urls(inc
);
440 return at_least_one_url_matches_glob(cond
, cond_len
,
444 static int include_condition_is_true(struct config_source
*cf
,
445 struct config_include_data
*inc
,
446 const char *cond
, size_t cond_len
)
448 const struct config_options
*opts
= inc
->opts
;
450 if (skip_prefix_mem(cond
, cond_len
, "gitdir:", &cond
, &cond_len
))
451 return include_by_gitdir(cf
, opts
, cond
, cond_len
, 0);
452 else if (skip_prefix_mem(cond
, cond_len
, "gitdir/i:", &cond
, &cond_len
))
453 return include_by_gitdir(cf
, opts
, cond
, cond_len
, 1);
454 else if (skip_prefix_mem(cond
, cond_len
, "onbranch:", &cond
, &cond_len
))
455 return include_by_branch(cond
, cond_len
);
456 else if (skip_prefix_mem(cond
, cond_len
, "hasconfig:remote.*.url:", &cond
,
458 return include_by_remote_url(inc
, cond
, cond_len
);
460 /* unknown conditionals are always false */
464 static int git_config_include(const char *var
, const char *value
, void *data
)
466 struct config_include_data
*inc
= data
;
467 struct config_source
*cf
= inc
->config_reader
->source
;
468 const char *cond
, *key
;
473 * Pass along all values, including "include" directives; this makes it
474 * possible to query information on the includes themselves.
476 ret
= inc
->fn(var
, value
, inc
->data
);
480 if (!strcmp(var
, "include.path"))
481 ret
= handle_path_include(cf
, value
, inc
);
483 if (!parse_config_key(var
, "includeif", &cond
, &cond_len
, &key
) &&
484 cond
&& include_condition_is_true(cf
, inc
, cond
, cond_len
) &&
485 !strcmp(key
, "path")) {
486 config_fn_t old_fn
= inc
->fn
;
488 if (inc
->opts
->unconditional_remote_url
)
489 inc
->fn
= forbid_remote_url
;
490 ret
= handle_path_include(cf
, value
, inc
);
497 static void git_config_push_split_parameter(const char *key
, const char *value
)
499 struct strbuf env
= STRBUF_INIT
;
500 const char *old
= getenv(CONFIG_DATA_ENVIRONMENT
);
502 strbuf_addstr(&env
, old
);
503 strbuf_addch(&env
, ' ');
505 sq_quote_buf(&env
, key
);
506 strbuf_addch(&env
, '=');
508 sq_quote_buf(&env
, value
);
509 setenv(CONFIG_DATA_ENVIRONMENT
, env
.buf
, 1);
510 strbuf_release(&env
);
513 void git_config_push_parameter(const char *text
)
520 * section.subsection=with=equals.key=value
522 * we cannot tell if it means:
524 * [section "subsection=with=equals"]
530 * subsection = with=equals.key=value
532 * We parse left-to-right for the first "=", meaning we'll prefer to
533 * keep the value intact over the subsection. This is historical, but
534 * also sensible since values are more likely to contain odd or
535 * untrusted input than a section name.
537 * A missing equals is explicitly allowed (as a bool-only entry).
539 value
= strchr(text
, '=');
541 char *key
= xmemdupz(text
, value
- text
);
542 git_config_push_split_parameter(key
, value
+ 1);
545 git_config_push_split_parameter(text
, NULL
);
549 void git_config_push_env(const char *spec
)
552 const char *env_name
;
553 const char *env_value
;
555 env_name
= strrchr(spec
, '=');
557 die(_("invalid config format: %s"), spec
);
558 key
= xmemdupz(spec
, env_name
- spec
);
561 die(_("missing environment variable name for configuration '%.*s'"),
562 (int)(env_name
- spec
- 1), spec
);
564 env_value
= getenv(env_name
);
566 die(_("missing environment variable '%s' for configuration '%.*s'"),
567 env_name
, (int)(env_name
- spec
- 1), spec
);
569 git_config_push_split_parameter(key
, env_value
);
573 static inline int iskeychar(int c
)
575 return isalnum(c
) || c
== '-';
579 * Auxiliary function to sanity-check and split the key into the section
580 * identifier and variable name.
582 * Returns 0 on success, -1 when there is an invalid character in the key and
583 * -2 if there is no section name in the key.
585 * store_key - pointer to char* which will hold a copy of the key with
586 * lowercase section and variable name
587 * baselen - pointer to size_t which will hold the length of the
588 * section + subsection part, can be NULL
590 int git_config_parse_key(const char *key
, char **store_key
, size_t *baselen_
)
594 const char *last_dot
= strrchr(key
, '.');
597 * Since "key" actually contains the section name and the real
598 * key name separated by a dot, we have to know where the dot is.
601 if (last_dot
== NULL
|| last_dot
== key
) {
602 error(_("key does not contain a section: %s"), key
);
603 return -CONFIG_NO_SECTION_OR_NAME
;
607 error(_("key does not contain variable name: %s"), key
);
608 return -CONFIG_NO_SECTION_OR_NAME
;
611 baselen
= last_dot
- key
;
616 * Validate the key and while at it, lower case it for matching.
618 *store_key
= xmallocz(strlen(key
));
621 for (i
= 0; key
[i
]; i
++) {
622 unsigned char c
= key
[i
];
625 /* Leave the extended basename untouched.. */
626 if (!dot
|| i
> baselen
) {
628 (i
== baselen
+ 1 && !isalpha(c
))) {
629 error(_("invalid key: %s"), key
);
633 } else if (c
== '\n') {
634 error(_("invalid key (newline): %s"), key
);
643 FREE_AND_NULL(*store_key
);
644 return -CONFIG_INVALID_KEY
;
647 static int config_parse_pair(const char *key
, const char *value
,
648 config_fn_t fn
, void *data
)
650 char *canonical_name
;
654 return error(_("empty config key"));
655 if (git_config_parse_key(key
, &canonical_name
, NULL
))
658 ret
= (fn(canonical_name
, value
, data
) < 0) ? -1 : 0;
659 free(canonical_name
);
663 int git_config_parse_parameter(const char *text
,
664 config_fn_t fn
, void *data
)
667 struct strbuf
**pair
;
670 pair
= strbuf_split_str(text
, '=', 2);
672 return error(_("bogus config parameter: %s"), text
);
674 if (pair
[0]->len
&& pair
[0]->buf
[pair
[0]->len
- 1] == '=') {
675 strbuf_setlen(pair
[0], pair
[0]->len
- 1);
676 value
= pair
[1] ? pair
[1]->buf
: "";
681 strbuf_trim(pair
[0]);
683 strbuf_list_free(pair
);
684 return error(_("bogus config parameter: %s"), text
);
687 ret
= config_parse_pair(pair
[0]->buf
, value
, fn
, data
);
688 strbuf_list_free(pair
);
692 static int parse_config_env_list(char *env
, config_fn_t fn
, void *data
)
695 while (cur
&& *cur
) {
696 const char *key
= sq_dequote_step(cur
, &cur
);
698 return error(_("bogus format in %s"),
699 CONFIG_DATA_ENVIRONMENT
);
701 if (!cur
|| isspace(*cur
)) {
702 /* old-style 'key=value' */
703 if (git_config_parse_parameter(key
, fn
, data
) < 0)
706 else if (*cur
== '=') {
707 /* new-style 'key'='value' */
713 value
= sq_dequote_step(cur
, &cur
);
714 if (!value
|| (cur
&& !isspace(*cur
))) {
715 return error(_("bogus format in %s"),
716 CONFIG_DATA_ENVIRONMENT
);
718 } else if (!*cur
|| isspace(*cur
)) {
719 /* implicit bool: 'key'= */
722 return error(_("bogus format in %s"),
723 CONFIG_DATA_ENVIRONMENT
);
726 if (config_parse_pair(key
, value
, fn
, data
) < 0)
731 return error(_("bogus format in %s"),
732 CONFIG_DATA_ENVIRONMENT
);
736 while (isspace(*cur
))
743 int git_config_from_parameters(config_fn_t fn
, void *data
)
746 struct strbuf envvar
= STRBUF_INIT
;
747 struct strvec to_free
= STRVEC_INIT
;
750 struct config_source source
= CONFIG_SOURCE_INIT
;
752 source
.origin_type
= CONFIG_ORIGIN_CMDLINE
;
753 config_reader_push_source(&the_reader
, &source
);
755 env
= getenv(CONFIG_COUNT_ENVIRONMENT
);
761 count
= strtoul(env
, &endp
, 10);
763 ret
= error(_("bogus count in %s"), CONFIG_COUNT_ENVIRONMENT
);
766 if (count
> INT_MAX
) {
767 ret
= error(_("too many entries in %s"), CONFIG_COUNT_ENVIRONMENT
);
771 for (i
= 0; i
< count
; i
++) {
772 const char *key
, *value
;
774 strbuf_addf(&envvar
, "GIT_CONFIG_KEY_%d", i
);
775 key
= getenv_safe(&to_free
, envvar
.buf
);
777 ret
= error(_("missing config key %s"), envvar
.buf
);
780 strbuf_reset(&envvar
);
782 strbuf_addf(&envvar
, "GIT_CONFIG_VALUE_%d", i
);
783 value
= getenv_safe(&to_free
, envvar
.buf
);
785 ret
= error(_("missing config value %s"), envvar
.buf
);
788 strbuf_reset(&envvar
);
790 if (config_parse_pair(key
, value
, fn
, data
) < 0) {
797 env
= getenv(CONFIG_DATA_ENVIRONMENT
);
799 /* sq_dequote will write over it */
801 if (parse_config_env_list(envw
, fn
, data
) < 0) {
808 strbuf_release(&envvar
);
809 strvec_clear(&to_free
);
811 config_reader_pop_source(&the_reader
);
815 static int get_next_char(struct config_source
*cf
)
817 int c
= cf
->do_fgetc(cf
);
820 /* DOS like systems */
821 c
= cf
->do_fgetc(cf
);
824 cf
->do_ungetc(c
, cf
);
829 if (c
!= EOF
&& ++cf
->total_len
> INT_MAX
) {
831 * This is an absurdly long config file; refuse to parse
832 * further in order to protect downstream code from integer
833 * overflows. Note that we can't return an error specifically,
834 * but we can mark EOF and put trash in the return value,
835 * which will trigger a parse error.
851 static char *parse_value(struct config_source
*cf
)
853 int quote
= 0, comment
= 0, space
= 0;
855 strbuf_reset(&cf
->value
);
857 int c
= get_next_char(cf
);
863 return cf
->value
.buf
;
867 if (isspace(c
) && !quote
) {
873 if (c
== ';' || c
== '#') {
878 for (; space
; space
--)
879 strbuf_addch(&cf
->value
, ' ');
881 c
= get_next_char(cf
);
894 /* Some characters escape as themselves */
897 /* Reject unknown escape sequences */
901 strbuf_addch(&cf
->value
, c
);
908 strbuf_addch(&cf
->value
, c
);
912 static int get_value(struct config_source
*cf
, config_fn_t fn
, void *data
,
919 /* Get the full name */
921 c
= get_next_char(cf
);
926 strbuf_addch(name
, tolower(c
));
929 while (c
== ' ' || c
== '\t')
930 c
= get_next_char(cf
);
936 value
= parse_value(cf
);
941 * We already consumed the \n, but we need linenr to point to
942 * the line we just parsed during the call to fn to get
943 * accurate line number in error messages.
946 ret
= fn(name
->buf
, value
, data
);
952 static int get_extended_base_var(struct config_source
*cf
, struct strbuf
*name
,
955 cf
->subsection_case_sensitive
= 0;
958 goto error_incomplete_line
;
959 c
= get_next_char(cf
);
960 } while (isspace(c
));
962 /* We require the format to be '[base "extension"]' */
965 strbuf_addch(name
, '.');
968 int c
= get_next_char(cf
);
970 goto error_incomplete_line
;
974 c
= get_next_char(cf
);
976 goto error_incomplete_line
;
978 strbuf_addch(name
, c
);
982 if (get_next_char(cf
) != ']')
985 error_incomplete_line
:
990 static int get_base_var(struct config_source
*cf
, struct strbuf
*name
)
992 cf
->subsection_case_sensitive
= 1;
994 int c
= get_next_char(cf
);
1000 return get_extended_base_var(cf
, name
, c
);
1001 if (!iskeychar(c
) && c
!= '.')
1003 strbuf_addch(name
, tolower(c
));
1007 struct parse_event_data
{
1008 enum config_event_t previous_type
;
1009 size_t previous_offset
;
1010 const struct config_options
*opts
;
1013 static int do_event(struct config_source
*cf
, enum config_event_t type
,
1014 struct parse_event_data
*data
)
1018 if (!data
->opts
|| !data
->opts
->event_fn
)
1021 if (type
== CONFIG_EVENT_WHITESPACE
&&
1022 data
->previous_type
== type
)
1025 offset
= cf
->do_ftell(cf
);
1027 * At EOF, the parser always "inserts" an extra '\n', therefore
1028 * the end offset of the event is the current file position, otherwise
1029 * we will already have advanced to the next event.
1031 if (type
!= CONFIG_EVENT_EOF
)
1034 if (data
->previous_type
!= CONFIG_EVENT_EOF
&&
1035 data
->opts
->event_fn(data
->previous_type
, data
->previous_offset
,
1036 offset
, data
->opts
->event_fn_data
) < 0)
1039 data
->previous_type
= type
;
1040 data
->previous_offset
= offset
;
1045 static int git_parse_source(struct config_source
*cf
, config_fn_t fn
,
1046 void *data
, const struct config_options
*opts
)
1050 struct strbuf
*var
= &cf
->var
;
1051 int error_return
= 0;
1052 char *error_msg
= NULL
;
1054 /* U+FEFF Byte Order Mark in UTF8 */
1055 const char *bomptr
= utf8_bom
;
1057 /* For the parser event callback */
1058 struct parse_event_data event_data
= {
1059 CONFIG_EVENT_EOF
, 0, opts
1065 c
= get_next_char(cf
);
1066 if (bomptr
&& *bomptr
) {
1067 /* We are at the file beginning; skip UTF8-encoded BOM
1068 * if present. Sane editors won't put this in on their
1069 * own, but e.g. Windows Notepad will do it happily. */
1070 if (c
== (*bomptr
& 0377)) {
1074 /* Do not tolerate partial BOM. */
1075 if (bomptr
!= utf8_bom
)
1077 /* No BOM at file beginning. Cool. */
1083 if (do_event(cf
, CONFIG_EVENT_EOF
, &event_data
) < 0)
1087 if (do_event(cf
, CONFIG_EVENT_WHITESPACE
, &event_data
) < 0)
1095 if (do_event(cf
, CONFIG_EVENT_WHITESPACE
, &event_data
) < 0)
1099 if (c
== '#' || c
== ';') {
1100 if (do_event(cf
, CONFIG_EVENT_COMMENT
, &event_data
) < 0)
1106 if (do_event(cf
, CONFIG_EVENT_SECTION
, &event_data
) < 0)
1109 /* Reset prior to determining a new stem */
1111 if (get_base_var(cf
, var
) < 0 || var
->len
< 1)
1113 strbuf_addch(var
, '.');
1120 if (do_event(cf
, CONFIG_EVENT_ENTRY
, &event_data
) < 0)
1124 * Truncate the var name back to the section header
1125 * stem prior to grabbing the suffix part of the name
1128 strbuf_setlen(var
, baselen
);
1129 strbuf_addch(var
, tolower(c
));
1130 if (get_value(cf
, fn
, data
, var
) < 0)
1134 if (do_event(cf
, CONFIG_EVENT_ERROR
, &event_data
) < 0)
1137 switch (cf
->origin_type
) {
1138 case CONFIG_ORIGIN_BLOB
:
1139 error_msg
= xstrfmt(_("bad config line %d in blob %s"),
1140 cf
->linenr
, cf
->name
);
1142 case CONFIG_ORIGIN_FILE
:
1143 error_msg
= xstrfmt(_("bad config line %d in file %s"),
1144 cf
->linenr
, cf
->name
);
1146 case CONFIG_ORIGIN_STDIN
:
1147 error_msg
= xstrfmt(_("bad config line %d in standard input"),
1150 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
1151 error_msg
= xstrfmt(_("bad config line %d in submodule-blob %s"),
1152 cf
->linenr
, cf
->name
);
1154 case CONFIG_ORIGIN_CMDLINE
:
1155 error_msg
= xstrfmt(_("bad config line %d in command line %s"),
1156 cf
->linenr
, cf
->name
);
1159 error_msg
= xstrfmt(_("bad config line %d in %s"),
1160 cf
->linenr
, cf
->name
);
1163 switch (opts
&& opts
->error_action
?
1164 opts
->error_action
:
1165 cf
->default_error_action
) {
1166 case CONFIG_ERROR_DIE
:
1167 die("%s", error_msg
);
1169 case CONFIG_ERROR_ERROR
:
1170 error_return
= error("%s", error_msg
);
1172 case CONFIG_ERROR_SILENT
:
1175 case CONFIG_ERROR_UNSET
:
1176 BUG("config error action unset");
1180 return error_return
;
1183 static uintmax_t get_unit_factor(const char *end
)
1187 else if (!strcasecmp(end
, "k"))
1189 else if (!strcasecmp(end
, "m"))
1191 else if (!strcasecmp(end
, "g"))
1192 return 1024 * 1024 * 1024;
1196 static int git_parse_signed(const char *value
, intmax_t *ret
, intmax_t max
)
1198 if (value
&& *value
) {
1204 BUG("max must be a positive integer");
1207 val
= strtoimax(value
, &end
, 0);
1208 if (errno
== ERANGE
)
1214 factor
= get_unit_factor(end
);
1219 if ((val
< 0 && -max
/ factor
> val
) ||
1220 (val
> 0 && max
/ factor
< val
)) {
1232 static int git_parse_unsigned(const char *value
, uintmax_t *ret
, uintmax_t max
)
1234 if (value
&& *value
) {
1239 /* negative values would be accepted by strtoumax */
1240 if (strchr(value
, '-')) {
1245 val
= strtoumax(value
, &end
, 0);
1246 if (errno
== ERANGE
)
1252 factor
= get_unit_factor(end
);
1257 if (unsigned_mult_overflows(factor
, val
) ||
1258 factor
* val
> max
) {
1270 int git_parse_int(const char *value
, int *ret
)
1273 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int)))
1279 static int git_parse_int64(const char *value
, int64_t *ret
)
1282 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int64_t)))
1288 int git_parse_ulong(const char *value
, unsigned long *ret
)
1291 if (!git_parse_unsigned(value
, &tmp
, maximum_unsigned_value_of_type(long)))
1297 int git_parse_ssize_t(const char *value
, ssize_t
*ret
)
1300 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(ssize_t
)))
1307 static void die_bad_number(struct config_source
*cf
, const char *name
,
1310 const char *error_type
= (errno
== ERANGE
) ?
1311 N_("out of range") : N_("invalid unit");
1312 const char *bad_numeric
= N_("bad numeric config value '%s' for '%s': %s");
1317 if (!(cf
&& cf
->name
))
1318 die(_(bad_numeric
), value
, name
, _(error_type
));
1320 switch (cf
->origin_type
) {
1321 case CONFIG_ORIGIN_BLOB
:
1322 die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
1323 value
, name
, cf
->name
, _(error_type
));
1324 case CONFIG_ORIGIN_FILE
:
1325 die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
1326 value
, name
, cf
->name
, _(error_type
));
1327 case CONFIG_ORIGIN_STDIN
:
1328 die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
1329 value
, name
, _(error_type
));
1330 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
1331 die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
1332 value
, name
, cf
->name
, _(error_type
));
1333 case CONFIG_ORIGIN_CMDLINE
:
1334 die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
1335 value
, name
, cf
->name
, _(error_type
));
1337 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
1338 value
, name
, cf
->name
, _(error_type
));
1342 int git_config_int(const char *name
, const char *value
)
1345 if (!git_parse_int(value
, &ret
))
1346 die_bad_number(the_reader
.source
, name
, value
);
1350 int64_t git_config_int64(const char *name
, const char *value
)
1353 if (!git_parse_int64(value
, &ret
))
1354 die_bad_number(the_reader
.source
, name
, value
);
1358 unsigned long git_config_ulong(const char *name
, const char *value
)
1361 if (!git_parse_ulong(value
, &ret
))
1362 die_bad_number(the_reader
.source
, name
, value
);
1366 ssize_t
git_config_ssize_t(const char *name
, const char *value
)
1369 if (!git_parse_ssize_t(value
, &ret
))
1370 die_bad_number(the_reader
.source
, name
, value
);
1374 static int git_parse_maybe_bool_text(const char *value
)
1380 if (!strcasecmp(value
, "true")
1381 || !strcasecmp(value
, "yes")
1382 || !strcasecmp(value
, "on"))
1384 if (!strcasecmp(value
, "false")
1385 || !strcasecmp(value
, "no")
1386 || !strcasecmp(value
, "off"))
1391 static const struct fsync_component_name
{
1393 enum fsync_component component_bits
;
1394 } fsync_component_names
[] = {
1395 { "loose-object", FSYNC_COMPONENT_LOOSE_OBJECT
},
1396 { "pack", FSYNC_COMPONENT_PACK
},
1397 { "pack-metadata", FSYNC_COMPONENT_PACK_METADATA
},
1398 { "commit-graph", FSYNC_COMPONENT_COMMIT_GRAPH
},
1399 { "index", FSYNC_COMPONENT_INDEX
},
1400 { "objects", FSYNC_COMPONENTS_OBJECTS
},
1401 { "reference", FSYNC_COMPONENT_REFERENCE
},
1402 { "derived-metadata", FSYNC_COMPONENTS_DERIVED_METADATA
},
1403 { "committed", FSYNC_COMPONENTS_COMMITTED
},
1404 { "added", FSYNC_COMPONENTS_ADDED
},
1405 { "all", FSYNC_COMPONENTS_ALL
},
1408 static enum fsync_component
parse_fsync_components(const char *var
, const char *string
)
1410 enum fsync_component current
= FSYNC_COMPONENTS_PLATFORM_DEFAULT
;
1411 enum fsync_component positive
= 0, negative
= 0;
1420 string
= string
+ strspn(string
, ", \t\n\r");
1421 ep
= strchrnul(string
, ',');
1423 if (!strcmp(string
, "none")) {
1424 current
= FSYNC_COMPONENT_NONE
;
1428 if (*string
== '-') {
1433 warning(_("invalid value for variable %s"), var
);
1439 for (i
= 0; i
< ARRAY_SIZE(fsync_component_names
); ++i
) {
1440 const struct fsync_component_name
*n
= &fsync_component_names
[i
];
1442 if (strncmp(n
->name
, string
, len
))
1447 negative
|= n
->component_bits
;
1449 positive
|= n
->component_bits
;
1453 char *component
= xstrndup(string
, len
);
1454 warning(_("ignoring unknown core.fsync component '%s'"), component
);
1462 return (current
& ~negative
) | positive
;
1465 int git_parse_maybe_bool(const char *value
)
1467 int v
= git_parse_maybe_bool_text(value
);
1470 if (git_parse_int(value
, &v
))
1475 int git_config_bool_or_int(const char *name
, const char *value
, int *is_bool
)
1477 int v
= git_parse_maybe_bool_text(value
);
1483 return git_config_int(name
, value
);
1486 int git_config_bool(const char *name
, const char *value
)
1488 int v
= git_parse_maybe_bool(value
);
1490 die(_("bad boolean config value '%s' for '%s'"), value
, name
);
1494 int git_config_string(const char **dest
, const char *var
, const char *value
)
1497 return config_error_nonbool(var
);
1498 *dest
= xstrdup(value
);
1502 int git_config_pathname(const char **dest
, const char *var
, const char *value
)
1505 return config_error_nonbool(var
);
1506 *dest
= interpolate_path(value
, 0);
1508 die(_("failed to expand user dir in: '%s'"), value
);
1512 int git_config_expiry_date(timestamp_t
*timestamp
, const char *var
, const char *value
)
1515 return config_error_nonbool(var
);
1516 if (parse_expiry_date(value
, timestamp
))
1517 return error(_("'%s' for '%s' is not a valid timestamp"),
1522 int git_config_color(char *dest
, const char *var
, const char *value
)
1525 return config_error_nonbool(var
);
1526 if (color_parse(value
, dest
) < 0)
1531 static int git_default_core_config(const char *var
, const char *value
, void *cb
)
1533 /* This needs a better name */
1534 if (!strcmp(var
, "core.filemode")) {
1535 trust_executable_bit
= git_config_bool(var
, value
);
1538 if (!strcmp(var
, "core.trustctime")) {
1539 trust_ctime
= git_config_bool(var
, value
);
1542 if (!strcmp(var
, "core.checkstat")) {
1543 if (!strcasecmp(value
, "default"))
1545 else if (!strcasecmp(value
, "minimal"))
1549 if (!strcmp(var
, "core.quotepath")) {
1550 quote_path_fully
= git_config_bool(var
, value
);
1554 if (!strcmp(var
, "core.symlinks")) {
1555 has_symlinks
= git_config_bool(var
, value
);
1559 if (!strcmp(var
, "core.ignorecase")) {
1560 ignore_case
= git_config_bool(var
, value
);
1564 if (!strcmp(var
, "core.attributesfile"))
1565 return git_config_pathname(&git_attributes_file
, var
, value
);
1567 if (!strcmp(var
, "core.hookspath"))
1568 return git_config_pathname(&git_hooks_path
, var
, value
);
1570 if (!strcmp(var
, "core.bare")) {
1571 is_bare_repository_cfg
= git_config_bool(var
, value
);
1575 if (!strcmp(var
, "core.ignorestat")) {
1576 assume_unchanged
= git_config_bool(var
, value
);
1580 if (!strcmp(var
, "core.prefersymlinkrefs")) {
1581 prefer_symlink_refs
= git_config_bool(var
, value
);
1585 if (!strcmp(var
, "core.logallrefupdates")) {
1586 if (value
&& !strcasecmp(value
, "always"))
1587 log_all_ref_updates
= LOG_REFS_ALWAYS
;
1588 else if (git_config_bool(var
, value
))
1589 log_all_ref_updates
= LOG_REFS_NORMAL
;
1591 log_all_ref_updates
= LOG_REFS_NONE
;
1595 if (!strcmp(var
, "core.warnambiguousrefs")) {
1596 warn_ambiguous_refs
= git_config_bool(var
, value
);
1600 if (!strcmp(var
, "core.abbrev")) {
1602 return config_error_nonbool(var
);
1603 if (!strcasecmp(value
, "auto"))
1604 default_abbrev
= -1;
1605 else if (!git_parse_maybe_bool_text(value
))
1606 default_abbrev
= the_hash_algo
->hexsz
;
1608 int abbrev
= git_config_int(var
, value
);
1609 if (abbrev
< minimum_abbrev
|| abbrev
> the_hash_algo
->hexsz
)
1610 return error(_("abbrev length out of range: %d"), abbrev
);
1611 default_abbrev
= abbrev
;
1616 if (!strcmp(var
, "core.disambiguate"))
1617 return set_disambiguate_hint_config(var
, value
);
1619 if (!strcmp(var
, "core.loosecompression")) {
1620 int level
= git_config_int(var
, value
);
1622 level
= Z_DEFAULT_COMPRESSION
;
1623 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1624 die(_("bad zlib compression level %d"), level
);
1625 zlib_compression_level
= level
;
1626 zlib_compression_seen
= 1;
1630 if (!strcmp(var
, "core.compression")) {
1631 int level
= git_config_int(var
, value
);
1633 level
= Z_DEFAULT_COMPRESSION
;
1634 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1635 die(_("bad zlib compression level %d"), level
);
1636 if (!zlib_compression_seen
)
1637 zlib_compression_level
= level
;
1638 if (!pack_compression_seen
)
1639 pack_compression_level
= level
;
1643 if (!strcmp(var
, "core.packedgitwindowsize")) {
1644 int pgsz_x2
= getpagesize() * 2;
1645 packed_git_window_size
= git_config_ulong(var
, value
);
1647 /* This value must be multiple of (pagesize * 2) */
1648 packed_git_window_size
/= pgsz_x2
;
1649 if (packed_git_window_size
< 1)
1650 packed_git_window_size
= 1;
1651 packed_git_window_size
*= pgsz_x2
;
1655 if (!strcmp(var
, "core.bigfilethreshold")) {
1656 big_file_threshold
= git_config_ulong(var
, value
);
1660 if (!strcmp(var
, "core.packedgitlimit")) {
1661 packed_git_limit
= git_config_ulong(var
, value
);
1665 if (!strcmp(var
, "core.deltabasecachelimit")) {
1666 delta_base_cache_limit
= git_config_ulong(var
, value
);
1670 if (!strcmp(var
, "core.autocrlf")) {
1671 if (value
&& !strcasecmp(value
, "input")) {
1672 auto_crlf
= AUTO_CRLF_INPUT
;
1675 auto_crlf
= git_config_bool(var
, value
);
1679 if (!strcmp(var
, "core.safecrlf")) {
1681 if (value
&& !strcasecmp(value
, "warn")) {
1682 global_conv_flags_eol
= CONV_EOL_RNDTRP_WARN
;
1685 eol_rndtrp_die
= git_config_bool(var
, value
);
1686 global_conv_flags_eol
= eol_rndtrp_die
?
1687 CONV_EOL_RNDTRP_DIE
: 0;
1691 if (!strcmp(var
, "core.eol")) {
1692 if (value
&& !strcasecmp(value
, "lf"))
1694 else if (value
&& !strcasecmp(value
, "crlf"))
1695 core_eol
= EOL_CRLF
;
1696 else if (value
&& !strcasecmp(value
, "native"))
1697 core_eol
= EOL_NATIVE
;
1699 core_eol
= EOL_UNSET
;
1703 if (!strcmp(var
, "core.checkroundtripencoding")) {
1704 check_roundtrip_encoding
= xstrdup(value
);
1708 if (!strcmp(var
, "core.notesref")) {
1709 notes_ref_name
= xstrdup(value
);
1713 if (!strcmp(var
, "core.editor"))
1714 return git_config_string(&editor_program
, var
, value
);
1716 if (!strcmp(var
, "core.commentchar")) {
1718 return config_error_nonbool(var
);
1719 else if (!strcasecmp(value
, "auto"))
1720 auto_comment_line_char
= 1;
1721 else if (value
[0] && !value
[1]) {
1722 comment_line_char
= value
[0];
1723 auto_comment_line_char
= 0;
1725 return error(_("core.commentChar should only be one character"));
1729 if (!strcmp(var
, "core.askpass"))
1730 return git_config_string(&askpass_program
, var
, value
);
1732 if (!strcmp(var
, "core.excludesfile"))
1733 return git_config_pathname(&excludes_file
, var
, value
);
1735 if (!strcmp(var
, "core.whitespace")) {
1737 return config_error_nonbool(var
);
1738 whitespace_rule_cfg
= parse_whitespace_rule(value
);
1742 if (!strcmp(var
, "core.fsync")) {
1744 return config_error_nonbool(var
);
1745 fsync_components
= parse_fsync_components(var
, value
);
1749 if (!strcmp(var
, "core.fsyncmethod")) {
1751 return config_error_nonbool(var
);
1752 if (!strcmp(value
, "fsync"))
1753 fsync_method
= FSYNC_METHOD_FSYNC
;
1754 else if (!strcmp(value
, "writeout-only"))
1755 fsync_method
= FSYNC_METHOD_WRITEOUT_ONLY
;
1756 else if (!strcmp(value
, "batch"))
1757 fsync_method
= FSYNC_METHOD_BATCH
;
1759 warning(_("ignoring unknown core.fsyncMethod value '%s'"), value
);
1763 if (!strcmp(var
, "core.fsyncobjectfiles")) {
1764 if (fsync_object_files
< 0)
1765 warning(_("core.fsyncObjectFiles is deprecated; use core.fsync instead"));
1766 fsync_object_files
= git_config_bool(var
, value
);
1770 if (!strcmp(var
, "core.preloadindex")) {
1771 core_preload_index
= git_config_bool(var
, value
);
1775 if (!strcmp(var
, "core.createobject")) {
1776 if (!strcmp(value
, "rename"))
1777 object_creation_mode
= OBJECT_CREATION_USES_RENAMES
;
1778 else if (!strcmp(value
, "link"))
1779 object_creation_mode
= OBJECT_CREATION_USES_HARDLINKS
;
1781 die(_("invalid mode for object creation: %s"), value
);
1785 if (!strcmp(var
, "core.sparsecheckout")) {
1786 core_apply_sparse_checkout
= git_config_bool(var
, value
);
1790 if (!strcmp(var
, "core.sparsecheckoutcone")) {
1791 core_sparse_checkout_cone
= git_config_bool(var
, value
);
1795 if (!strcmp(var
, "core.precomposeunicode")) {
1796 precomposed_unicode
= git_config_bool(var
, value
);
1800 if (!strcmp(var
, "core.protecthfs")) {
1801 protect_hfs
= git_config_bool(var
, value
);
1805 if (!strcmp(var
, "core.protectntfs")) {
1806 protect_ntfs
= git_config_bool(var
, value
);
1810 if (!strcmp(var
, "core.usereplacerefs")) {
1811 read_replace_refs
= git_config_bool(var
, value
);
1815 /* Add other config variables here and to Documentation/config.txt. */
1816 return platform_core_config(var
, value
, cb
);
1819 static int git_default_sparse_config(const char *var
, const char *value
)
1821 if (!strcmp(var
, "sparse.expectfilesoutsideofpatterns")) {
1822 sparse_expect_files_outside_of_patterns
= git_config_bool(var
, value
);
1826 /* Add other config variables here and to Documentation/config/sparse.txt. */
1830 static int git_default_i18n_config(const char *var
, const char *value
)
1832 if (!strcmp(var
, "i18n.commitencoding"))
1833 return git_config_string(&git_commit_encoding
, var
, value
);
1835 if (!strcmp(var
, "i18n.logoutputencoding"))
1836 return git_config_string(&git_log_output_encoding
, var
, value
);
1838 /* Add other config variables here and to Documentation/config.txt. */
1842 static int git_default_branch_config(const char *var
, const char *value
)
1844 if (!strcmp(var
, "branch.autosetupmerge")) {
1845 if (value
&& !strcmp(value
, "always")) {
1846 git_branch_track
= BRANCH_TRACK_ALWAYS
;
1848 } else if (value
&& !strcmp(value
, "inherit")) {
1849 git_branch_track
= BRANCH_TRACK_INHERIT
;
1851 } else if (value
&& !strcmp(value
, "simple")) {
1852 git_branch_track
= BRANCH_TRACK_SIMPLE
;
1855 git_branch_track
= git_config_bool(var
, value
);
1858 if (!strcmp(var
, "branch.autosetuprebase")) {
1860 return config_error_nonbool(var
);
1861 else if (!strcmp(value
, "never"))
1862 autorebase
= AUTOREBASE_NEVER
;
1863 else if (!strcmp(value
, "local"))
1864 autorebase
= AUTOREBASE_LOCAL
;
1865 else if (!strcmp(value
, "remote"))
1866 autorebase
= AUTOREBASE_REMOTE
;
1867 else if (!strcmp(value
, "always"))
1868 autorebase
= AUTOREBASE_ALWAYS
;
1870 return error(_("malformed value for %s"), var
);
1874 /* Add other config variables here and to Documentation/config.txt. */
1878 static int git_default_push_config(const char *var
, const char *value
)
1880 if (!strcmp(var
, "push.default")) {
1882 return config_error_nonbool(var
);
1883 else if (!strcmp(value
, "nothing"))
1884 push_default
= PUSH_DEFAULT_NOTHING
;
1885 else if (!strcmp(value
, "matching"))
1886 push_default
= PUSH_DEFAULT_MATCHING
;
1887 else if (!strcmp(value
, "simple"))
1888 push_default
= PUSH_DEFAULT_SIMPLE
;
1889 else if (!strcmp(value
, "upstream"))
1890 push_default
= PUSH_DEFAULT_UPSTREAM
;
1891 else if (!strcmp(value
, "tracking")) /* deprecated */
1892 push_default
= PUSH_DEFAULT_UPSTREAM
;
1893 else if (!strcmp(value
, "current"))
1894 push_default
= PUSH_DEFAULT_CURRENT
;
1896 error(_("malformed value for %s: %s"), var
, value
);
1897 return error(_("must be one of nothing, matching, simple, "
1898 "upstream or current"));
1903 /* Add other config variables here and to Documentation/config.txt. */
1907 static int git_default_mailmap_config(const char *var
, const char *value
)
1909 if (!strcmp(var
, "mailmap.file"))
1910 return git_config_pathname(&git_mailmap_file
, var
, value
);
1911 if (!strcmp(var
, "mailmap.blob"))
1912 return git_config_string(&git_mailmap_blob
, var
, value
);
1914 /* Add other config variables here and to Documentation/config.txt. */
1918 int git_default_config(const char *var
, const char *value
, void *cb
)
1920 if (starts_with(var
, "core."))
1921 return git_default_core_config(var
, value
, cb
);
1923 if (starts_with(var
, "user.") ||
1924 starts_with(var
, "author.") ||
1925 starts_with(var
, "committer."))
1926 return git_ident_config(var
, value
, cb
);
1928 if (starts_with(var
, "i18n."))
1929 return git_default_i18n_config(var
, value
);
1931 if (starts_with(var
, "branch."))
1932 return git_default_branch_config(var
, value
);
1934 if (starts_with(var
, "push."))
1935 return git_default_push_config(var
, value
);
1937 if (starts_with(var
, "mailmap."))
1938 return git_default_mailmap_config(var
, value
);
1940 if (starts_with(var
, "advice.") || starts_with(var
, "color.advice"))
1941 return git_default_advice_config(var
, value
);
1943 if (!strcmp(var
, "pager.color") || !strcmp(var
, "color.pager")) {
1944 pager_use_color
= git_config_bool(var
,value
);
1948 if (!strcmp(var
, "pack.packsizelimit")) {
1949 pack_size_limit_cfg
= git_config_ulong(var
, value
);
1953 if (!strcmp(var
, "pack.compression")) {
1954 int level
= git_config_int(var
, value
);
1956 level
= Z_DEFAULT_COMPRESSION
;
1957 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1958 die(_("bad pack compression level %d"), level
);
1959 pack_compression_level
= level
;
1960 pack_compression_seen
= 1;
1964 if (starts_with(var
, "sparse."))
1965 return git_default_sparse_config(var
, value
);
1967 /* Add other config variables here and to Documentation/config.txt. */
1972 * All source specific fields in the union, die_on_error, name and the callbacks
1973 * fgetc, ungetc, ftell of top need to be initialized before calling
1976 static int do_config_from(struct config_reader
*reader
,
1977 struct config_source
*top
, config_fn_t fn
, void *data
,
1978 const struct config_options
*opts
)
1982 /* push config-file parsing state stack */
1986 strbuf_init(&top
->value
, 1024);
1987 strbuf_init(&top
->var
, 1024);
1988 config_reader_push_source(reader
, top
);
1990 ret
= git_parse_source(top
, fn
, data
, opts
);
1992 /* pop config-file parsing state stack */
1993 strbuf_release(&top
->value
);
1994 strbuf_release(&top
->var
);
1995 config_reader_pop_source(reader
);
2000 static int do_config_from_file(struct config_reader
*reader
,
2002 const enum config_origin_type origin_type
,
2003 const char *name
, const char *path
, FILE *f
,
2004 void *data
, const struct config_options
*opts
)
2006 struct config_source top
= CONFIG_SOURCE_INIT
;
2010 top
.origin_type
= origin_type
;
2013 top
.default_error_action
= CONFIG_ERROR_DIE
;
2014 top
.do_fgetc
= config_file_fgetc
;
2015 top
.do_ungetc
= config_file_ungetc
;
2016 top
.do_ftell
= config_file_ftell
;
2019 ret
= do_config_from(reader
, &top
, fn
, data
, opts
);
2024 static int git_config_from_stdin(config_fn_t fn
, void *data
)
2026 return do_config_from_file(&the_reader
, fn
, CONFIG_ORIGIN_STDIN
, "",
2027 NULL
, stdin
, data
, NULL
);
2030 int git_config_from_file_with_options(config_fn_t fn
, const char *filename
,
2032 const struct config_options
*opts
)
2038 BUG("filename cannot be NULL");
2039 f
= fopen_or_warn(filename
, "r");
2041 ret
= do_config_from_file(&the_reader
, fn
, CONFIG_ORIGIN_FILE
,
2042 filename
, filename
, f
, data
, opts
);
2048 int git_config_from_file(config_fn_t fn
, const char *filename
, void *data
)
2050 return git_config_from_file_with_options(fn
, filename
, data
, NULL
);
2053 int git_config_from_mem(config_fn_t fn
,
2054 const enum config_origin_type origin_type
,
2055 const char *name
, const char *buf
, size_t len
,
2056 void *data
, const struct config_options
*opts
)
2058 struct config_source top
= CONFIG_SOURCE_INIT
;
2060 top
.u
.buf
.buf
= buf
;
2061 top
.u
.buf
.len
= len
;
2063 top
.origin_type
= origin_type
;
2066 top
.default_error_action
= CONFIG_ERROR_ERROR
;
2067 top
.do_fgetc
= config_buf_fgetc
;
2068 top
.do_ungetc
= config_buf_ungetc
;
2069 top
.do_ftell
= config_buf_ftell
;
2071 return do_config_from(&the_reader
, &top
, fn
, data
, opts
);
2074 int git_config_from_blob_oid(config_fn_t fn
,
2076 struct repository
*repo
,
2077 const struct object_id
*oid
,
2080 enum object_type type
;
2085 buf
= repo_read_object_file(repo
, oid
, &type
, &size
);
2087 return error(_("unable to load config blob object '%s'"), name
);
2088 if (type
!= OBJ_BLOB
) {
2090 return error(_("reference '%s' does not point to a blob"), name
);
2093 ret
= git_config_from_mem(fn
, CONFIG_ORIGIN_BLOB
, name
, buf
, size
,
2100 static int git_config_from_blob_ref(config_fn_t fn
,
2101 struct repository
*repo
,
2105 struct object_id oid
;
2107 if (repo_get_oid(repo
, name
, &oid
) < 0)
2108 return error(_("unable to resolve config blob '%s'"), name
);
2109 return git_config_from_blob_oid(fn
, name
, repo
, &oid
, data
);
2112 char *git_system_config(void)
2114 char *system_config
= xstrdup_or_null(getenv("GIT_CONFIG_SYSTEM"));
2116 system_config
= system_path(ETC_GITCONFIG
);
2117 normalize_path_copy(system_config
, system_config
);
2118 return system_config
;
2121 void git_global_config(char **user_out
, char **xdg_out
)
2123 char *user_config
= xstrdup_or_null(getenv("GIT_CONFIG_GLOBAL"));
2124 char *xdg_config
= NULL
;
2127 user_config
= interpolate_path("~/.gitconfig", 0);
2128 xdg_config
= xdg_config_home("config");
2131 *user_out
= user_config
;
2132 *xdg_out
= xdg_config
;
2136 * Parse environment variable 'k' as a boolean (in various
2137 * possible spellings); if missing, use the default value 'def'.
2139 int git_env_bool(const char *k
, int def
)
2141 const char *v
= getenv(k
);
2142 return v
? git_config_bool(k
, v
) : def
;
2146 * Parse environment variable 'k' as ulong with possibly a unit
2147 * suffix; if missing, use the default value 'val'.
2149 unsigned long git_env_ulong(const char *k
, unsigned long val
)
2151 const char *v
= getenv(k
);
2152 if (v
&& !git_parse_ulong(v
, &val
))
2153 die(_("failed to parse %s"), k
);
2157 int git_config_system(void)
2159 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
2162 static int do_git_config_sequence(const struct config_options
*opts
,
2163 config_fn_t fn
, void *data
)
2166 char *system_config
= git_system_config();
2167 char *xdg_config
= NULL
;
2168 char *user_config
= NULL
;
2170 enum config_scope prev_parsing_scope
= current_parsing_scope
;
2172 if (opts
->commondir
)
2173 repo_config
= mkpathdup("%s/config", opts
->commondir
);
2174 else if (opts
->git_dir
)
2175 BUG("git_dir without commondir");
2179 current_parsing_scope
= CONFIG_SCOPE_SYSTEM
;
2180 if (git_config_system() && system_config
&&
2181 !access_or_die(system_config
, R_OK
,
2182 opts
->system_gently
? ACCESS_EACCES_OK
: 0))
2183 ret
+= git_config_from_file(fn
, system_config
, data
);
2185 current_parsing_scope
= CONFIG_SCOPE_GLOBAL
;
2186 git_global_config(&user_config
, &xdg_config
);
2188 if (xdg_config
&& !access_or_die(xdg_config
, R_OK
, ACCESS_EACCES_OK
))
2189 ret
+= git_config_from_file(fn
, xdg_config
, data
);
2191 if (user_config
&& !access_or_die(user_config
, R_OK
, ACCESS_EACCES_OK
))
2192 ret
+= git_config_from_file(fn
, user_config
, data
);
2194 current_parsing_scope
= CONFIG_SCOPE_LOCAL
;
2195 if (!opts
->ignore_repo
&& repo_config
&&
2196 !access_or_die(repo_config
, R_OK
, 0))
2197 ret
+= git_config_from_file(fn
, repo_config
, data
);
2199 current_parsing_scope
= CONFIG_SCOPE_WORKTREE
;
2200 if (!opts
->ignore_worktree
&& repository_format_worktree_config
) {
2201 char *path
= git_pathdup("config.worktree");
2202 if (!access_or_die(path
, R_OK
, 0))
2203 ret
+= git_config_from_file(fn
, path
, data
);
2207 current_parsing_scope
= CONFIG_SCOPE_COMMAND
;
2208 if (!opts
->ignore_cmdline
&& git_config_from_parameters(fn
, data
) < 0)
2209 die(_("unable to parse command-line config"));
2211 current_parsing_scope
= prev_parsing_scope
;
2212 free(system_config
);
2219 int config_with_options(config_fn_t fn
, void *data
,
2220 struct git_config_source
*config_source
,
2221 const struct config_options
*opts
)
2223 struct config_include_data inc
= CONFIG_INCLUDE_INIT
;
2226 if (opts
->respect_includes
) {
2230 inc
.config_source
= config_source
;
2231 inc
.config_reader
= &the_reader
;
2232 fn
= git_config_include
;
2237 current_parsing_scope
= config_source
->scope
;
2240 * If we have a specific filename, use it. Otherwise, follow the
2241 * regular lookup sequence.
2243 if (config_source
&& config_source
->use_stdin
) {
2244 ret
= git_config_from_stdin(fn
, data
);
2245 } else if (config_source
&& config_source
->file
) {
2246 ret
= git_config_from_file(fn
, config_source
->file
, data
);
2247 } else if (config_source
&& config_source
->blob
) {
2248 struct repository
*repo
= config_source
->repo
?
2249 config_source
->repo
: the_repository
;
2250 ret
= git_config_from_blob_ref(fn
, repo
, config_source
->blob
,
2253 ret
= do_git_config_sequence(opts
, fn
, data
);
2256 if (inc
.remote_urls
) {
2257 string_list_clear(inc
.remote_urls
, 0);
2258 FREE_AND_NULL(inc
.remote_urls
);
2263 static void configset_iter(struct config_reader
*reader
, struct config_set
*cs
,
2264 config_fn_t fn
, void *data
)
2267 struct string_list
*values
;
2268 struct config_set_element
*entry
;
2269 struct configset_list
*list
= &cs
->list
;
2271 for (i
= 0; i
< list
->nr
; i
++) {
2272 entry
= list
->items
[i
].e
;
2273 value_index
= list
->items
[i
].value_index
;
2274 values
= &entry
->value_list
;
2276 config_reader_set_kvi(reader
, values
->items
[value_index
].util
);
2278 if (fn(entry
->key
, values
->items
[value_index
].string
, data
) < 0)
2279 git_die_config_linenr(entry
->key
,
2280 reader
->config_kvi
->filename
,
2281 reader
->config_kvi
->linenr
);
2283 config_reader_set_kvi(reader
, NULL
);
2287 void read_early_config(config_fn_t cb
, void *data
)
2289 struct config_options opts
= {0};
2290 struct strbuf commondir
= STRBUF_INIT
;
2291 struct strbuf gitdir
= STRBUF_INIT
;
2293 opts
.respect_includes
= 1;
2295 if (have_git_dir()) {
2296 opts
.commondir
= get_git_common_dir();
2297 opts
.git_dir
= get_git_dir();
2299 * When setup_git_directory() was not yet asked to discover the
2300 * GIT_DIR, we ask discover_git_directory() to figure out whether there
2301 * is any repository config we should use (but unlike
2302 * setup_git_directory_gently(), no global state is changed, most
2303 * notably, the current working directory is still the same after the
2306 } else if (!discover_git_directory(&commondir
, &gitdir
)) {
2307 opts
.commondir
= commondir
.buf
;
2308 opts
.git_dir
= gitdir
.buf
;
2311 config_with_options(cb
, data
, NULL
, &opts
);
2313 strbuf_release(&commondir
);
2314 strbuf_release(&gitdir
);
2318 * Read config but only enumerate system and global settings.
2319 * Omit any repo-local, worktree-local, or command-line settings.
2321 void read_very_early_config(config_fn_t cb
, void *data
)
2323 struct config_options opts
= { 0 };
2325 opts
.respect_includes
= 1;
2326 opts
.ignore_repo
= 1;
2327 opts
.ignore_worktree
= 1;
2328 opts
.ignore_cmdline
= 1;
2329 opts
.system_gently
= 1;
2331 config_with_options(cb
, data
, NULL
, &opts
);
2334 static struct config_set_element
*configset_find_element(struct config_set
*cs
, const char *key
)
2336 struct config_set_element k
;
2337 struct config_set_element
*found_entry
;
2338 char *normalized_key
;
2340 * `key` may come from the user, so normalize it before using it
2341 * for querying entries from the hashmap.
2343 if (git_config_parse_key(key
, &normalized_key
, NULL
))
2346 hashmap_entry_init(&k
.ent
, strhash(normalized_key
));
2347 k
.key
= normalized_key
;
2348 found_entry
= hashmap_get_entry(&cs
->config_hash
, &k
, ent
, NULL
);
2349 free(normalized_key
);
2353 static int configset_add_value(struct config_reader
*reader
,
2354 struct config_set
*cs
, const char *key
,
2357 struct config_set_element
*e
;
2358 struct string_list_item
*si
;
2359 struct configset_list_item
*l_item
;
2360 struct key_value_info
*kv_info
= xmalloc(sizeof(*kv_info
));
2362 e
= configset_find_element(cs
, key
);
2364 * Since the keys are being fed by git_config*() callback mechanism, they
2365 * are already normalized. So simply add them without any further munging.
2368 e
= xmalloc(sizeof(*e
));
2369 hashmap_entry_init(&e
->ent
, strhash(key
));
2370 e
->key
= xstrdup(key
);
2371 string_list_init_dup(&e
->value_list
);
2372 hashmap_add(&cs
->config_hash
, &e
->ent
);
2374 si
= string_list_append_nodup(&e
->value_list
, xstrdup_or_null(value
));
2376 ALLOC_GROW(cs
->list
.items
, cs
->list
.nr
+ 1, cs
->list
.alloc
);
2377 l_item
= &cs
->list
.items
[cs
->list
.nr
++];
2379 l_item
->value_index
= e
->value_list
.nr
- 1;
2381 if (!reader
->source
)
2382 BUG("configset_add_value has no source");
2383 if (reader
->source
->name
) {
2384 kv_info
->filename
= strintern(reader
->source
->name
);
2385 kv_info
->linenr
= reader
->source
->linenr
;
2386 kv_info
->origin_type
= reader
->source
->origin_type
;
2388 /* for values read from `git_config_from_parameters()` */
2389 kv_info
->filename
= NULL
;
2390 kv_info
->linenr
= -1;
2391 kv_info
->origin_type
= CONFIG_ORIGIN_CMDLINE
;
2393 kv_info
->scope
= current_parsing_scope
;
2399 static int config_set_element_cmp(const void *cmp_data UNUSED
,
2400 const struct hashmap_entry
*eptr
,
2401 const struct hashmap_entry
*entry_or_key
,
2402 const void *keydata UNUSED
)
2404 const struct config_set_element
*e1
, *e2
;
2406 e1
= container_of(eptr
, const struct config_set_element
, ent
);
2407 e2
= container_of(entry_or_key
, const struct config_set_element
, ent
);
2409 return strcmp(e1
->key
, e2
->key
);
2412 void git_configset_init(struct config_set
*cs
)
2414 hashmap_init(&cs
->config_hash
, config_set_element_cmp
, NULL
, 0);
2415 cs
->hash_initialized
= 1;
2418 cs
->list
.items
= NULL
;
2421 void git_configset_clear(struct config_set
*cs
)
2423 struct config_set_element
*entry
;
2424 struct hashmap_iter iter
;
2425 if (!cs
->hash_initialized
)
2428 hashmap_for_each_entry(&cs
->config_hash
, &iter
, entry
,
2429 ent
/* member name */) {
2431 string_list_clear(&entry
->value_list
, 1);
2433 hashmap_clear_and_free(&cs
->config_hash
, struct config_set_element
, ent
);
2434 cs
->hash_initialized
= 0;
2435 free(cs
->list
.items
);
2438 cs
->list
.items
= NULL
;
2441 struct configset_add_data
{
2442 struct config_set
*config_set
;
2443 struct config_reader
*config_reader
;
2445 #define CONFIGSET_ADD_INIT { 0 }
2447 static int config_set_callback(const char *key
, const char *value
, void *cb
)
2449 struct configset_add_data
*data
= cb
;
2450 configset_add_value(data
->config_reader
, data
->config_set
, key
, value
);
2454 int git_configset_add_file(struct config_set
*cs
, const char *filename
)
2456 struct configset_add_data data
= CONFIGSET_ADD_INIT
;
2457 data
.config_reader
= &the_reader
;
2458 data
.config_set
= cs
;
2459 return git_config_from_file(config_set_callback
, filename
, &data
);
2462 int git_configset_get_value(struct config_set
*cs
, const char *key
, const char **value
)
2464 const struct string_list
*values
= NULL
;
2466 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
2467 * queried key in the files of the configset, the value returned will be the last
2468 * value in the value list for that key.
2470 values
= git_configset_get_value_multi(cs
, key
);
2474 assert(values
->nr
> 0);
2475 *value
= values
->items
[values
->nr
- 1].string
;
2479 const struct string_list
*git_configset_get_value_multi(struct config_set
*cs
, const char *key
)
2481 struct config_set_element
*e
= configset_find_element(cs
, key
);
2482 return e
? &e
->value_list
: NULL
;
2485 int git_configset_get_string(struct config_set
*cs
, const char *key
, char **dest
)
2488 if (!git_configset_get_value(cs
, key
, &value
))
2489 return git_config_string((const char **)dest
, key
, value
);
2494 static int git_configset_get_string_tmp(struct config_set
*cs
, const char *key
,
2498 if (!git_configset_get_value(cs
, key
, &value
)) {
2500 return config_error_nonbool(key
);
2508 int git_configset_get_int(struct config_set
*cs
, const char *key
, int *dest
)
2511 if (!git_configset_get_value(cs
, key
, &value
)) {
2512 *dest
= git_config_int(key
, value
);
2518 int git_configset_get_ulong(struct config_set
*cs
, const char *key
, unsigned long *dest
)
2521 if (!git_configset_get_value(cs
, key
, &value
)) {
2522 *dest
= git_config_ulong(key
, value
);
2528 int git_configset_get_bool(struct config_set
*cs
, const char *key
, int *dest
)
2531 if (!git_configset_get_value(cs
, key
, &value
)) {
2532 *dest
= git_config_bool(key
, value
);
2538 int git_configset_get_bool_or_int(struct config_set
*cs
, const char *key
,
2539 int *is_bool
, int *dest
)
2542 if (!git_configset_get_value(cs
, key
, &value
)) {
2543 *dest
= git_config_bool_or_int(key
, value
, is_bool
);
2549 int git_configset_get_maybe_bool(struct config_set
*cs
, const char *key
, int *dest
)
2552 if (!git_configset_get_value(cs
, key
, &value
)) {
2553 *dest
= git_parse_maybe_bool(value
);
2561 int git_configset_get_pathname(struct config_set
*cs
, const char *key
, const char **dest
)
2564 if (!git_configset_get_value(cs
, key
, &value
))
2565 return git_config_pathname(dest
, key
, value
);
2570 /* Functions use to read configuration from a repository */
2571 static void repo_read_config(struct repository
*repo
)
2573 struct config_options opts
= { 0 };
2574 struct configset_add_data data
= CONFIGSET_ADD_INIT
;
2576 opts
.respect_includes
= 1;
2577 opts
.commondir
= repo
->commondir
;
2578 opts
.git_dir
= repo
->gitdir
;
2581 CALLOC_ARRAY(repo
->config
, 1);
2583 git_configset_clear(repo
->config
);
2585 git_configset_init(repo
->config
);
2586 data
.config_set
= repo
->config
;
2587 data
.config_reader
= &the_reader
;
2589 if (config_with_options(config_set_callback
, &data
, NULL
, &opts
) < 0)
2591 * config_with_options() normally returns only
2592 * zero, as most errors are fatal, and
2593 * non-fatal potential errors are guarded by "if"
2594 * statements that are entered only when no error is
2597 * If we ever encounter a non-fatal error, it means
2598 * something went really wrong and we should stop
2601 die(_("unknown error occurred while reading the configuration files"));
2604 static void git_config_check_init(struct repository
*repo
)
2606 if (repo
->config
&& repo
->config
->hash_initialized
)
2608 repo_read_config(repo
);
2611 static void repo_config_clear(struct repository
*repo
)
2613 if (!repo
->config
|| !repo
->config
->hash_initialized
)
2615 git_configset_clear(repo
->config
);
2618 void repo_config(struct repository
*repo
, config_fn_t fn
, void *data
)
2620 git_config_check_init(repo
);
2621 configset_iter(&the_reader
, repo
->config
, fn
, data
);
2624 int repo_config_get_value(struct repository
*repo
,
2625 const char *key
, const char **value
)
2627 git_config_check_init(repo
);
2628 return git_configset_get_value(repo
->config
, key
, value
);
2631 const struct string_list
*repo_config_get_value_multi(struct repository
*repo
,
2634 git_config_check_init(repo
);
2635 return git_configset_get_value_multi(repo
->config
, key
);
2638 int repo_config_get_string(struct repository
*repo
,
2639 const char *key
, char **dest
)
2642 git_config_check_init(repo
);
2643 ret
= git_configset_get_string(repo
->config
, key
, dest
);
2645 git_die_config(key
, NULL
);
2649 int repo_config_get_string_tmp(struct repository
*repo
,
2650 const char *key
, const char **dest
)
2653 git_config_check_init(repo
);
2654 ret
= git_configset_get_string_tmp(repo
->config
, key
, dest
);
2656 git_die_config(key
, NULL
);
2660 int repo_config_get_int(struct repository
*repo
,
2661 const char *key
, int *dest
)
2663 git_config_check_init(repo
);
2664 return git_configset_get_int(repo
->config
, key
, dest
);
2667 int repo_config_get_ulong(struct repository
*repo
,
2668 const char *key
, unsigned long *dest
)
2670 git_config_check_init(repo
);
2671 return git_configset_get_ulong(repo
->config
, key
, dest
);
2674 int repo_config_get_bool(struct repository
*repo
,
2675 const char *key
, int *dest
)
2677 git_config_check_init(repo
);
2678 return git_configset_get_bool(repo
->config
, key
, dest
);
2681 int repo_config_get_bool_or_int(struct repository
*repo
,
2682 const char *key
, int *is_bool
, int *dest
)
2684 git_config_check_init(repo
);
2685 return git_configset_get_bool_or_int(repo
->config
, key
, is_bool
, dest
);
2688 int repo_config_get_maybe_bool(struct repository
*repo
,
2689 const char *key
, int *dest
)
2691 git_config_check_init(repo
);
2692 return git_configset_get_maybe_bool(repo
->config
, key
, dest
);
2695 int repo_config_get_pathname(struct repository
*repo
,
2696 const char *key
, const char **dest
)
2699 git_config_check_init(repo
);
2700 ret
= git_configset_get_pathname(repo
->config
, key
, dest
);
2702 git_die_config(key
, NULL
);
2706 /* Read values into protected_config. */
2707 static void read_protected_config(void)
2709 struct config_options opts
= {
2710 .respect_includes
= 1,
2712 .ignore_worktree
= 1,
2715 struct configset_add_data data
= CONFIGSET_ADD_INIT
;
2717 git_configset_init(&protected_config
);
2718 data
.config_set
= &protected_config
;
2719 data
.config_reader
= &the_reader
;
2720 config_with_options(config_set_callback
, &data
, NULL
, &opts
);
2723 void git_protected_config(config_fn_t fn
, void *data
)
2725 if (!protected_config
.hash_initialized
)
2726 read_protected_config();
2727 configset_iter(&the_reader
, &protected_config
, fn
, data
);
2730 /* Functions used historically to read configuration from 'the_repository' */
2731 void git_config(config_fn_t fn
, void *data
)
2733 repo_config(the_repository
, fn
, data
);
2736 void git_config_clear(void)
2738 repo_config_clear(the_repository
);
2741 int git_config_get_value(const char *key
, const char **value
)
2743 return repo_config_get_value(the_repository
, key
, value
);
2746 const struct string_list
*git_config_get_value_multi(const char *key
)
2748 return repo_config_get_value_multi(the_repository
, key
);
2751 int git_config_get_string(const char *key
, char **dest
)
2753 return repo_config_get_string(the_repository
, key
, dest
);
2756 int git_config_get_string_tmp(const char *key
, const char **dest
)
2758 return repo_config_get_string_tmp(the_repository
, key
, dest
);
2761 int git_config_get_int(const char *key
, int *dest
)
2763 return repo_config_get_int(the_repository
, key
, dest
);
2766 int git_config_get_ulong(const char *key
, unsigned long *dest
)
2768 return repo_config_get_ulong(the_repository
, key
, dest
);
2771 int git_config_get_bool(const char *key
, int *dest
)
2773 return repo_config_get_bool(the_repository
, key
, dest
);
2776 int git_config_get_bool_or_int(const char *key
, int *is_bool
, int *dest
)
2778 return repo_config_get_bool_or_int(the_repository
, key
, is_bool
, dest
);
2781 int git_config_get_maybe_bool(const char *key
, int *dest
)
2783 return repo_config_get_maybe_bool(the_repository
, key
, dest
);
2786 int git_config_get_pathname(const char *key
, const char **dest
)
2788 return repo_config_get_pathname(the_repository
, key
, dest
);
2791 int git_config_get_expiry(const char *key
, const char **output
)
2793 int ret
= git_config_get_string(key
, (char **)output
);
2796 if (strcmp(*output
, "now")) {
2797 timestamp_t now
= approxidate("now");
2798 if (approxidate(*output
) >= now
)
2799 git_die_config(key
, _("Invalid %s: '%s'"), key
, *output
);
2804 int git_config_get_expiry_in_days(const char *key
, timestamp_t
*expiry
, timestamp_t now
)
2806 const char *expiry_string
;
2810 if (git_config_get_string_tmp(key
, &expiry_string
))
2811 return 1; /* no such thing */
2813 if (git_parse_signed(expiry_string
, &days
, maximum_signed_value_of_type(int))) {
2814 const int scale
= 86400;
2815 *expiry
= now
- days
* scale
;
2819 if (!parse_expiry_date(expiry_string
, &when
)) {
2823 return -1; /* thing exists but cannot be parsed */
2826 int git_config_get_split_index(void)
2830 if (!git_config_get_maybe_bool("core.splitindex", &val
))
2833 return -1; /* default value */
2836 int git_config_get_max_percent_split_change(void)
2840 if (!git_config_get_int("splitindex.maxpercentchange", &val
)) {
2841 if (0 <= val
&& val
<= 100)
2844 return error(_("splitIndex.maxPercentChange value '%d' "
2845 "should be between 0 and 100"), val
);
2848 return -1; /* default value */
2851 int git_config_get_index_threads(int *dest
)
2855 val
= git_env_ulong("GIT_TEST_INDEX_THREADS", 0);
2861 if (!git_config_get_bool_or_int("index.threads", &is_bool
, &val
)) {
2863 *dest
= val
? 0 : 1;
2873 void git_die_config_linenr(const char *key
, const char *filename
, int linenr
)
2876 die(_("unable to parse '%s' from command-line config"), key
);
2878 die(_("bad config variable '%s' in file '%s' at line %d"),
2879 key
, filename
, linenr
);
2882 NORETURN
__attribute__((format(printf
, 2, 3)))
2883 void git_die_config(const char *key
, const char *err
, ...)
2885 const struct string_list
*values
;
2886 struct key_value_info
*kv_info
;
2887 report_fn error_fn
= get_error_routine();
2891 va_start(params
, err
);
2892 error_fn(err
, params
);
2895 values
= git_config_get_value_multi(key
);
2896 kv_info
= values
->items
[values
->nr
- 1].util
;
2897 git_die_config_linenr(key
, kv_info
->filename
, kv_info
->linenr
);
2901 * Find all the stuff for git_config_set() below.
2904 struct config_store_data
{
2905 struct config_reader
*config_reader
;
2909 const char *fixed_value
;
2910 regex_t
*value_pattern
;
2914 enum config_event_t type
;
2915 int is_keys_section
;
2917 unsigned int parsed_nr
, parsed_alloc
, *seen
, seen_nr
, seen_alloc
;
2918 unsigned int key_seen
:1, section_seen
:1, is_keys_section
:1;
2920 #define CONFIG_STORE_INIT { 0 }
2922 static void config_store_data_clear(struct config_store_data
*store
)
2925 if (store
->value_pattern
!= NULL
&&
2926 store
->value_pattern
!= CONFIG_REGEX_NONE
) {
2927 regfree(store
->value_pattern
);
2928 free(store
->value_pattern
);
2930 free(store
->parsed
);
2932 memset(store
, 0, sizeof(*store
));
2935 static int matches(const char *key
, const char *value
,
2936 const struct config_store_data
*store
)
2938 if (strcmp(key
, store
->key
))
2939 return 0; /* not ours */
2940 if (store
->fixed_value
)
2941 return !strcmp(store
->fixed_value
, value
);
2942 if (!store
->value_pattern
)
2943 return 1; /* always matches */
2944 if (store
->value_pattern
== CONFIG_REGEX_NONE
)
2945 return 0; /* never matches */
2947 return store
->do_not_match
^
2948 (value
&& !regexec(store
->value_pattern
, value
, 0, NULL
, 0));
2951 static int store_aux_event(enum config_event_t type
,
2952 size_t begin
, size_t end
, void *data
)
2954 struct config_store_data
*store
= data
;
2955 struct config_source
*cf
= store
->config_reader
->source
;
2957 ALLOC_GROW(store
->parsed
, store
->parsed_nr
+ 1, store
->parsed_alloc
);
2958 store
->parsed
[store
->parsed_nr
].begin
= begin
;
2959 store
->parsed
[store
->parsed_nr
].end
= end
;
2960 store
->parsed
[store
->parsed_nr
].type
= type
;
2962 if (type
== CONFIG_EVENT_SECTION
) {
2963 int (*cmpfn
)(const char *, const char *, size_t);
2965 if (cf
->var
.len
< 2 || cf
->var
.buf
[cf
->var
.len
- 1] != '.')
2966 return error(_("invalid section name '%s'"), cf
->var
.buf
);
2968 if (cf
->subsection_case_sensitive
)
2969 cmpfn
= strncasecmp
;
2973 /* Is this the section we were looking for? */
2974 store
->is_keys_section
=
2975 store
->parsed
[store
->parsed_nr
].is_keys_section
=
2976 cf
->var
.len
- 1 == store
->baselen
&&
2977 !cmpfn(cf
->var
.buf
, store
->key
, store
->baselen
);
2978 if (store
->is_keys_section
) {
2979 store
->section_seen
= 1;
2980 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1,
2982 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
2991 static int store_aux(const char *key
, const char *value
, void *cb
)
2993 struct config_store_data
*store
= cb
;
2995 if (store
->key_seen
) {
2996 if (matches(key
, value
, store
)) {
2997 if (store
->seen_nr
== 1 && store
->multi_replace
== 0) {
2998 warning(_("%s has multiple values"), key
);
3001 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1,
3004 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
3007 } else if (store
->is_keys_section
) {
3009 * Do not increment matches yet: this may not be a match, but we
3010 * are in the desired section.
3012 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1, store
->seen_alloc
);
3013 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
3014 store
->section_seen
= 1;
3016 if (matches(key
, value
, store
)) {
3018 store
->key_seen
= 1;
3025 static int write_error(const char *filename
)
3027 error(_("failed to write new configuration file %s"), filename
);
3029 /* Same error code as "failed to rename". */
3033 static struct strbuf
store_create_section(const char *key
,
3034 const struct config_store_data
*store
)
3038 struct strbuf sb
= STRBUF_INIT
;
3040 dot
= memchr(key
, '.', store
->baselen
);
3042 strbuf_addf(&sb
, "[%.*s \"", (int)(dot
- key
), key
);
3043 for (i
= dot
- key
+ 1; i
< store
->baselen
; i
++) {
3044 if (key
[i
] == '"' || key
[i
] == '\\')
3045 strbuf_addch(&sb
, '\\');
3046 strbuf_addch(&sb
, key
[i
]);
3048 strbuf_addstr(&sb
, "\"]\n");
3050 strbuf_addch(&sb
, '[');
3051 strbuf_add(&sb
, key
, store
->baselen
);
3052 strbuf_addstr(&sb
, "]\n");
3058 static ssize_t
write_section(int fd
, const char *key
,
3059 const struct config_store_data
*store
)
3061 struct strbuf sb
= store_create_section(key
, store
);
3064 ret
= write_in_full(fd
, sb
.buf
, sb
.len
);
3065 strbuf_release(&sb
);
3070 static ssize_t
write_pair(int fd
, const char *key
, const char *value
,
3071 const struct config_store_data
*store
)
3075 const char *quote
= "";
3076 struct strbuf sb
= STRBUF_INIT
;
3079 * Check to see if the value needs to be surrounded with a dq pair.
3080 * Note that problematic characters are always backslash-quoted; this
3081 * check is about not losing leading or trailing SP and strings that
3082 * follow beginning-of-comment characters (i.e. ';' and '#') by the
3083 * configuration parser.
3085 if (value
[0] == ' ')
3087 for (i
= 0; value
[i
]; i
++)
3088 if (value
[i
] == ';' || value
[i
] == '#')
3090 if (i
&& value
[i
- 1] == ' ')
3093 strbuf_addf(&sb
, "\t%s = %s", key
+ store
->baselen
+ 1, quote
);
3095 for (i
= 0; value
[i
]; i
++)
3098 strbuf_addstr(&sb
, "\\n");
3101 strbuf_addstr(&sb
, "\\t");
3105 strbuf_addch(&sb
, '\\');
3108 strbuf_addch(&sb
, value
[i
]);
3111 strbuf_addf(&sb
, "%s\n", quote
);
3113 ret
= write_in_full(fd
, sb
.buf
, sb
.len
);
3114 strbuf_release(&sb
);
3120 * If we are about to unset the last key(s) in a section, and if there are
3121 * no comments surrounding (or included in) the section, we will want to
3122 * extend begin/end to remove the entire section.
3124 * Note: the parameter `seen_ptr` points to the index into the store.seen
3125 * array. * This index may be incremented if a section has more than one
3126 * entry (which all are to be removed).
3128 static void maybe_remove_section(struct config_store_data
*store
,
3129 size_t *begin_offset
, size_t *end_offset
,
3133 int i
, seen
, section_seen
= 0;
3136 * First, ensure that this is the first key, and that there are no
3137 * comments before the entry nor before the section header.
3140 for (i
= store
->seen
[seen
]; i
> 0; i
--) {
3141 enum config_event_t type
= store
->parsed
[i
- 1].type
;
3143 if (type
== CONFIG_EVENT_COMMENT
)
3144 /* There is a comment before this entry or section */
3146 if (type
== CONFIG_EVENT_ENTRY
) {
3148 /* This is not the section's first entry. */
3150 /* We encountered no comment before the section. */
3153 if (type
== CONFIG_EVENT_SECTION
) {
3154 if (!store
->parsed
[i
- 1].is_keys_section
)
3159 begin
= store
->parsed
[i
].begin
;
3162 * Next, make sure that we are removing the last key(s) in the section,
3163 * and that there are no comments that are possibly about the current
3166 for (i
= store
->seen
[seen
] + 1; i
< store
->parsed_nr
; i
++) {
3167 enum config_event_t type
= store
->parsed
[i
].type
;
3169 if (type
== CONFIG_EVENT_COMMENT
)
3171 if (type
== CONFIG_EVENT_SECTION
) {
3172 if (store
->parsed
[i
].is_keys_section
)
3176 if (type
== CONFIG_EVENT_ENTRY
) {
3177 if (++seen
< store
->seen_nr
&&
3178 i
== store
->seen
[seen
])
3179 /* We want to remove this entry, too */
3181 /* There is another entry in this section. */
3187 * We are really removing the last entry/entries from this section, and
3188 * there are no enclosed or surrounding comments. Remove the entire,
3189 * now-empty section.
3192 *begin_offset
= begin
;
3193 if (i
< store
->parsed_nr
)
3194 *end_offset
= store
->parsed
[i
].begin
;
3196 *end_offset
= store
->parsed
[store
->parsed_nr
- 1].end
;
3199 int git_config_set_in_file_gently(const char *config_filename
,
3200 const char *key
, const char *value
)
3202 return git_config_set_multivar_in_file_gently(config_filename
, key
, value
, NULL
, 0);
3205 void git_config_set_in_file(const char *config_filename
,
3206 const char *key
, const char *value
)
3208 git_config_set_multivar_in_file(config_filename
, key
, value
, NULL
, 0);
3211 int git_config_set_gently(const char *key
, const char *value
)
3213 return git_config_set_multivar_gently(key
, value
, NULL
, 0);
3216 int repo_config_set_worktree_gently(struct repository
*r
,
3217 const char *key
, const char *value
)
3219 /* Only use worktree-specific config if it is already enabled. */
3220 if (repository_format_worktree_config
) {
3221 char *file
= repo_git_path(r
, "config.worktree");
3222 int ret
= git_config_set_multivar_in_file_gently(
3223 file
, key
, value
, NULL
, 0);
3227 return repo_config_set_multivar_gently(r
, key
, value
, NULL
, 0);
3230 void git_config_set(const char *key
, const char *value
)
3232 git_config_set_multivar(key
, value
, NULL
, 0);
3234 trace2_cmd_set_config(key
, value
);
3238 * If value==NULL, unset in (remove from) config,
3239 * if value_pattern!=NULL, disregard key/value pairs where value does not match.
3240 * if value_pattern==CONFIG_REGEX_NONE, do not match any existing values
3241 * (only add a new one)
3242 * if flags contains the CONFIG_FLAGS_MULTI_REPLACE flag, all matching
3243 * key/values are removed before a single new pair is written. If the
3244 * flag is not present, then replace only the first match.
3246 * Returns 0 on success.
3248 * This function does this:
3250 * - it locks the config file by creating ".git/config.lock"
3252 * - it then parses the config using store_aux() as validator to find
3253 * the position on the key/value pair to replace. If it is to be unset,
3254 * it must be found exactly once.
3256 * - the config file is mmap()ed and the part before the match (if any) is
3257 * written to the lock file, then the changed part and the rest.
3259 * - the config file is removed and the lock file rename()d to it.
3262 int git_config_set_multivar_in_file_gently(const char *config_filename
,
3263 const char *key
, const char *value
,
3264 const char *value_pattern
,
3267 int fd
= -1, in_fd
= -1;
3269 struct lock_file lock
= LOCK_INIT
;
3270 char *filename_buf
= NULL
;
3271 char *contents
= NULL
;
3273 struct config_store_data store
= CONFIG_STORE_INIT
;
3275 store
.config_reader
= &the_reader
;
3277 /* parse-key returns negative; flip the sign to feed exit(3) */
3278 ret
= 0 - git_config_parse_key(key
, &store
.key
, &store
.baselen
);
3282 store
.multi_replace
= (flags
& CONFIG_FLAGS_MULTI_REPLACE
) != 0;
3284 if (!config_filename
)
3285 config_filename
= filename_buf
= git_pathdup("config");
3288 * The lock serves a purpose in addition to locking: the new
3289 * contents of .git/config will be written into it.
3291 fd
= hold_lock_file_for_update(&lock
, config_filename
, 0);
3293 error_errno(_("could not lock config file %s"), config_filename
);
3294 ret
= CONFIG_NO_LOCK
;
3299 * If .git/config does not exist yet, write a minimal version.
3301 in_fd
= open(config_filename
, O_RDONLY
);
3303 if ( ENOENT
!= errno
) {
3304 error_errno(_("opening %s"), config_filename
);
3305 ret
= CONFIG_INVALID_FILE
; /* same as "invalid config file" */
3308 /* if nothing to unset, error out */
3310 ret
= CONFIG_NOTHING_SET
;
3315 store
.key
= xstrdup(key
);
3316 if (write_section(fd
, key
, &store
) < 0 ||
3317 write_pair(fd
, key
, value
, &store
) < 0)
3321 size_t copy_begin
, copy_end
;
3322 int i
, new_line
= 0;
3323 struct config_options opts
;
3326 store
.value_pattern
= NULL
;
3327 else if (value_pattern
== CONFIG_REGEX_NONE
)
3328 store
.value_pattern
= CONFIG_REGEX_NONE
;
3329 else if (flags
& CONFIG_FLAGS_FIXED_VALUE
)
3330 store
.fixed_value
= value_pattern
;
3332 if (value_pattern
[0] == '!') {
3333 store
.do_not_match
= 1;
3336 store
.do_not_match
= 0;
3338 store
.value_pattern
= (regex_t
*)xmalloc(sizeof(regex_t
));
3339 if (regcomp(store
.value_pattern
, value_pattern
,
3341 error(_("invalid pattern: %s"), value_pattern
);
3342 FREE_AND_NULL(store
.value_pattern
);
3343 ret
= CONFIG_INVALID_PATTERN
;
3348 ALLOC_GROW(store
.parsed
, 1, store
.parsed_alloc
);
3349 store
.parsed
[0].end
= 0;
3351 memset(&opts
, 0, sizeof(opts
));
3352 opts
.event_fn
= store_aux_event
;
3353 opts
.event_fn_data
= &store
;
3356 * After this, store.parsed will contain offsets of all the
3357 * parsed elements, and store.seen will contain a list of
3358 * matches, as indices into store.parsed.
3360 * As a side effect, we make sure to transform only a valid
3361 * existing config file.
3363 if (git_config_from_file_with_options(store_aux
,
3366 error(_("invalid config file %s"), config_filename
);
3367 ret
= CONFIG_INVALID_FILE
;
3371 /* if nothing to unset, or too many matches, error out */
3372 if ((store
.seen_nr
== 0 && value
== NULL
) ||
3373 (store
.seen_nr
> 1 && !store
.multi_replace
)) {
3374 ret
= CONFIG_NOTHING_SET
;
3378 if (fstat(in_fd
, &st
) == -1) {
3379 error_errno(_("fstat on %s failed"), config_filename
);
3380 ret
= CONFIG_INVALID_FILE
;
3384 contents_sz
= xsize_t(st
.st_size
);
3385 contents
= xmmap_gently(NULL
, contents_sz
, PROT_READ
,
3386 MAP_PRIVATE
, in_fd
, 0);
3387 if (contents
== MAP_FAILED
) {
3388 if (errno
== ENODEV
&& S_ISDIR(st
.st_mode
))
3390 error_errno(_("unable to mmap '%s'%s"),
3391 config_filename
, mmap_os_err());
3392 ret
= CONFIG_INVALID_FILE
;
3399 if (chmod(get_lock_file_path(&lock
), st
.st_mode
& 07777) < 0) {
3400 error_errno(_("chmod on %s failed"), get_lock_file_path(&lock
));
3401 ret
= CONFIG_NO_WRITE
;
3405 if (store
.seen_nr
== 0) {
3406 if (!store
.seen_alloc
) {
3407 /* Did not see key nor section */
3408 ALLOC_GROW(store
.seen
, 1, store
.seen_alloc
);
3409 store
.seen
[0] = store
.parsed_nr
3410 - !!store
.parsed_nr
;
3415 for (i
= 0, copy_begin
= 0; i
< store
.seen_nr
; i
++) {
3417 int j
= store
.seen
[i
];
3420 if (!store
.key_seen
) {
3421 copy_end
= store
.parsed
[j
].end
;
3422 /* include '\n' when copying section header */
3423 if (copy_end
> 0 && copy_end
< contents_sz
&&
3424 contents
[copy_end
- 1] != '\n' &&
3425 contents
[copy_end
] == '\n')
3427 replace_end
= copy_end
;
3429 replace_end
= store
.parsed
[j
].end
;
3430 copy_end
= store
.parsed
[j
].begin
;
3432 maybe_remove_section(&store
,
3436 * Swallow preceding white-space on the same
3439 while (copy_end
> 0 ) {
3440 char c
= contents
[copy_end
- 1];
3442 if (isspace(c
) && c
!= '\n')
3449 if (copy_end
> 0 && contents
[copy_end
-1] != '\n')
3452 /* write the first part of the config */
3453 if (copy_end
> copy_begin
) {
3454 if (write_in_full(fd
, contents
+ copy_begin
,
3455 copy_end
- copy_begin
) < 0)
3458 write_str_in_full(fd
, "\n") < 0)
3461 copy_begin
= replace_end
;
3464 /* write the pair (value == NULL means unset) */
3466 if (!store
.section_seen
) {
3467 if (write_section(fd
, key
, &store
) < 0)
3470 if (write_pair(fd
, key
, value
, &store
) < 0)
3474 /* write the rest of the config */
3475 if (copy_begin
< contents_sz
)
3476 if (write_in_full(fd
, contents
+ copy_begin
,
3477 contents_sz
- copy_begin
) < 0)
3480 munmap(contents
, contents_sz
);
3484 if (commit_lock_file(&lock
) < 0) {
3485 error_errno(_("could not write config file %s"), config_filename
);
3486 ret
= CONFIG_NO_WRITE
;
3492 /* Invalidate the config cache */
3496 rollback_lock_file(&lock
);
3499 munmap(contents
, contents_sz
);
3502 config_store_data_clear(&store
);
3506 ret
= write_error(get_lock_file_path(&lock
));
3511 void git_config_set_multivar_in_file(const char *config_filename
,
3512 const char *key
, const char *value
,
3513 const char *value_pattern
, unsigned flags
)
3515 if (!git_config_set_multivar_in_file_gently(config_filename
, key
, value
,
3516 value_pattern
, flags
))
3519 die(_("could not set '%s' to '%s'"), key
, value
);
3521 die(_("could not unset '%s'"), key
);
3524 int git_config_set_multivar_gently(const char *key
, const char *value
,
3525 const char *value_pattern
, unsigned flags
)
3527 return repo_config_set_multivar_gently(the_repository
, key
, value
,
3528 value_pattern
, flags
);
3531 int repo_config_set_multivar_gently(struct repository
*r
, const char *key
,
3533 const char *value_pattern
, unsigned flags
)
3535 char *file
= repo_git_path(r
, "config");
3536 int res
= git_config_set_multivar_in_file_gently(file
,
3544 void git_config_set_multivar(const char *key
, const char *value
,
3545 const char *value_pattern
, unsigned flags
)
3547 git_config_set_multivar_in_file(git_path("config"),
3548 key
, value
, value_pattern
,
3552 static int section_name_match (const char *buf
, const char *name
)
3554 int i
= 0, j
= 0, dot
= 0;
3557 for (i
= 1; buf
[i
] && buf
[i
] != ']'; i
++) {
3558 if (!dot
&& isspace(buf
[i
])) {
3560 if (name
[j
++] != '.')
3562 for (i
++; isspace(buf
[i
]); i
++)
3568 if (buf
[i
] == '\\' && dot
)
3570 else if (buf
[i
] == '"' && dot
) {
3571 for (i
++; isspace(buf
[i
]); i
++)
3575 if (buf
[i
] != name
[j
++])
3578 if (buf
[i
] == ']' && name
[j
] == 0) {
3580 * We match, now just find the right length offset by
3581 * gobbling up any whitespace after it, as well
3584 for (; buf
[i
] && isspace(buf
[i
]); i
++)
3591 static int section_name_is_ok(const char *name
)
3593 /* Empty section names are bogus. */
3598 * Before a dot, we must be alphanumeric or dash. After the first dot,
3599 * anything goes, so we can stop checking.
3601 for (; *name
&& *name
!= '.'; name
++)
3602 if (*name
!= '-' && !isalnum(*name
))
3607 /* if new_name == NULL, the section is removed instead */
3608 static int git_config_copy_or_rename_section_in_file(const char *config_filename
,
3609 const char *old_name
,
3610 const char *new_name
, int copy
)
3612 int ret
= 0, remove
= 0;
3613 char *filename_buf
= NULL
;
3614 struct lock_file lock
= LOCK_INIT
;
3617 FILE *config_file
= NULL
;
3619 struct strbuf copystr
= STRBUF_INIT
;
3620 struct config_store_data store
;
3622 memset(&store
, 0, sizeof(store
));
3624 if (new_name
&& !section_name_is_ok(new_name
)) {
3625 ret
= error(_("invalid section name: %s"), new_name
);
3626 goto out_no_rollback
;
3629 if (!config_filename
)
3630 config_filename
= filename_buf
= git_pathdup("config");
3632 out_fd
= hold_lock_file_for_update(&lock
, config_filename
, 0);
3634 ret
= error(_("could not lock config file %s"), config_filename
);
3638 if (!(config_file
= fopen(config_filename
, "rb"))) {
3639 ret
= warn_on_fopen_errors(config_filename
);
3642 /* no config file means nothing to rename, no error */
3643 goto commit_and_out
;
3646 if (fstat(fileno(config_file
), &st
) == -1) {
3647 ret
= error_errno(_("fstat on %s failed"), config_filename
);
3651 if (chmod(get_lock_file_path(&lock
), st
.st_mode
& 07777) < 0) {
3652 ret
= error_errno(_("chmod on %s failed"),
3653 get_lock_file_path(&lock
));
3657 while (fgets(buf
, sizeof(buf
), config_file
)) {
3662 for (i
= 0; buf
[i
] && isspace(buf
[i
]); i
++)
3664 if (buf
[i
] == '[') {
3665 /* it's a section */
3670 * When encountering a new section under -c we
3671 * need to flush out any section we're already
3672 * coping and begin anew. There might be
3673 * multiple [branch "$name"] sections.
3675 if (copystr
.len
> 0) {
3676 if (write_in_full(out_fd
, copystr
.buf
, copystr
.len
) < 0) {
3677 ret
= write_error(get_lock_file_path(&lock
));
3680 strbuf_reset(©str
);
3683 offset
= section_name_match(&buf
[i
], old_name
);
3690 store
.baselen
= strlen(new_name
);
3692 if (write_section(out_fd
, new_name
, &store
) < 0) {
3693 ret
= write_error(get_lock_file_path(&lock
));
3697 * We wrote out the new section, with
3698 * a newline, now skip the old
3701 output
+= offset
+ i
;
3702 if (strlen(output
) > 0) {
3704 * More content means there's
3705 * a declaration to put on the
3706 * next line; indent with a
3713 copystr
= store_create_section(new_name
, &store
);
3720 length
= strlen(output
);
3722 if (!is_section
&& copystr
.len
> 0) {
3723 strbuf_add(©str
, output
, length
);
3726 if (write_in_full(out_fd
, output
, length
) < 0) {
3727 ret
= write_error(get_lock_file_path(&lock
));
3733 * Copy a trailing section at the end of the config, won't be
3734 * flushed by the usual "flush because we have a new section
3735 * logic in the loop above.
3737 if (copystr
.len
> 0) {
3738 if (write_in_full(out_fd
, copystr
.buf
, copystr
.len
) < 0) {
3739 ret
= write_error(get_lock_file_path(&lock
));
3742 strbuf_reset(©str
);
3745 fclose(config_file
);
3748 if (commit_lock_file(&lock
) < 0)
3749 ret
= error_errno(_("could not write config file %s"),
3753 fclose(config_file
);
3754 rollback_lock_file(&lock
);
3757 config_store_data_clear(&store
);
3761 int git_config_rename_section_in_file(const char *config_filename
,
3762 const char *old_name
, const char *new_name
)
3764 return git_config_copy_or_rename_section_in_file(config_filename
,
3765 old_name
, new_name
, 0);
3768 int git_config_rename_section(const char *old_name
, const char *new_name
)
3770 return git_config_rename_section_in_file(NULL
, old_name
, new_name
);
3773 int git_config_copy_section_in_file(const char *config_filename
,
3774 const char *old_name
, const char *new_name
)
3776 return git_config_copy_or_rename_section_in_file(config_filename
,
3777 old_name
, new_name
, 1);
3780 int git_config_copy_section(const char *old_name
, const char *new_name
)
3782 return git_config_copy_section_in_file(NULL
, old_name
, new_name
);
3786 * Call this to report error for your variable that should not
3787 * get a boolean value (i.e. "[my] var" means "true").
3789 #undef config_error_nonbool
3790 int config_error_nonbool(const char *var
)
3792 return error(_("missing value for '%s'"), var
);
3795 int parse_config_key(const char *var
,
3796 const char *section
,
3797 const char **subsection
, size_t *subsection_len
,
3802 /* Does it start with "section." ? */
3803 if (!skip_prefix(var
, section
, &var
) || *var
!= '.')
3807 * Find the key; we don't know yet if we have a subsection, but we must
3808 * parse backwards from the end, since the subsection may have dots in
3811 dot
= strrchr(var
, '.');
3814 /* Did we have a subsection at all? */
3818 *subsection_len
= 0;
3824 *subsection
= var
+ 1;
3825 *subsection_len
= dot
- *subsection
;
3831 const char *current_config_origin_type(void)
3834 if (the_reader
.config_kvi
)
3835 type
= the_reader
.config_kvi
->origin_type
;
3836 else if(the_reader
.source
)
3837 type
= the_reader
.source
->origin_type
;
3839 BUG("current_config_origin_type called outside config callback");
3842 case CONFIG_ORIGIN_BLOB
:
3844 case CONFIG_ORIGIN_FILE
:
3846 case CONFIG_ORIGIN_STDIN
:
3847 return "standard input";
3848 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
3849 return "submodule-blob";
3850 case CONFIG_ORIGIN_CMDLINE
:
3851 return "command line";
3853 BUG("unknown config origin type");
3857 const char *config_scope_name(enum config_scope scope
)
3860 case CONFIG_SCOPE_SYSTEM
:
3862 case CONFIG_SCOPE_GLOBAL
:
3864 case CONFIG_SCOPE_LOCAL
:
3866 case CONFIG_SCOPE_WORKTREE
:
3868 case CONFIG_SCOPE_COMMAND
:
3870 case CONFIG_SCOPE_SUBMODULE
:
3877 const char *current_config_name(void)
3880 if (the_reader
.config_kvi
)
3881 name
= the_reader
.config_kvi
->filename
;
3882 else if (the_reader
.source
)
3883 name
= the_reader
.source
->name
;
3885 BUG("current_config_name called outside config callback");
3886 return name
? name
: "";
3889 enum config_scope
current_config_scope(void)
3891 if (the_reader
.config_kvi
)
3892 return the_reader
.config_kvi
->scope
;
3894 return current_parsing_scope
;
3897 int current_config_line(void)
3899 if (the_reader
.config_kvi
)
3900 return the_reader
.config_kvi
->linenr
;
3902 return the_reader
.source
->linenr
;
3905 int lookup_config(const char **mapping
, int nr_mapping
, const char *var
)
3909 for (i
= 0; i
< nr_mapping
; i
++) {
3910 const char *name
= mapping
[i
];
3912 if (name
&& !strcasecmp(var
, name
))