2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Johannes Schindelin, 2005
11 #include "repository.h"
17 #include "string-list.h"
18 #include "object-store.h"
23 struct config_source
{
24 struct config_source
*prev
;
33 enum config_origin_type origin_type
;
36 enum config_error_action default_error_action
;
41 unsigned subsection_case_sensitive
: 1;
43 int (*do_fgetc
)(struct config_source
*c
);
44 int (*do_ungetc
)(int c
, struct config_source
*conf
);
45 long (*do_ftell
)(struct config_source
*c
);
49 * These variables record the "current" config source, which
50 * can be accessed by parsing callbacks.
52 * The "cf" variable will be non-NULL only when we are actually parsing a real
53 * config source (file, blob, cmdline, etc).
55 * The "current_config_kvi" variable will be non-NULL only when we are feeding
56 * cached config from a configset into a callback.
58 * They should generally never be non-NULL at the same time. If they are both
59 * NULL, then we aren't parsing anything (and depending on the function looking
60 * at the variables, it's either a bug for it to be called in the first place,
61 * or it's a function which can be reused for non-config purposes, and should
62 * fall back to some sane behavior).
64 static struct config_source
*cf
;
65 static struct key_value_info
*current_config_kvi
;
68 * Similar to the variables above, this gives access to the "scope" of the
69 * current value (repo, global, etc). For cached values, it can be found via
70 * the current_config_kvi as above. During parsing, the current value can be
71 * found in this variable. It's not part of "cf" because it transcends a single
72 * file (i.e., a file included from .git/config is still in "repo" scope).
74 static enum config_scope current_parsing_scope
;
76 static int core_compression_seen
;
77 static int pack_compression_seen
;
78 static int zlib_compression_seen
;
80 static int config_file_fgetc(struct config_source
*conf
)
82 return getc_unlocked(conf
->u
.file
);
85 static int config_file_ungetc(int c
, struct config_source
*conf
)
87 return ungetc(c
, conf
->u
.file
);
90 static long config_file_ftell(struct config_source
*conf
)
92 return ftell(conf
->u
.file
);
96 static int config_buf_fgetc(struct config_source
*conf
)
98 if (conf
->u
.buf
.pos
< conf
->u
.buf
.len
)
99 return conf
->u
.buf
.buf
[conf
->u
.buf
.pos
++];
104 static int config_buf_ungetc(int c
, struct config_source
*conf
)
106 if (conf
->u
.buf
.pos
> 0) {
108 if (conf
->u
.buf
.buf
[conf
->u
.buf
.pos
] != c
)
109 BUG("config_buf can only ungetc the same character");
116 static long config_buf_ftell(struct config_source
*conf
)
118 return conf
->u
.buf
.pos
;
121 #define MAX_INCLUDE_DEPTH 10
122 static const char include_depth_advice
[] = N_(
123 "exceeded maximum include depth (%d) while including\n"
127 "This might be due to circular includes.");
128 static int handle_path_include(const char *path
, struct config_include_data
*inc
)
131 struct strbuf buf
= STRBUF_INIT
;
135 return config_error_nonbool("include.path");
137 expanded
= expand_user_path(path
, 0);
139 return error(_("could not expand include path '%s'"), path
);
143 * Use an absolute path as-is, but interpret relative paths
144 * based on the including config file.
146 if (!is_absolute_path(path
)) {
149 if (!cf
|| !cf
->path
)
150 return error(_("relative config includes must come from files"));
152 slash
= find_last_dir_sep(cf
->path
);
154 strbuf_add(&buf
, cf
->path
, slash
- cf
->path
+ 1);
155 strbuf_addstr(&buf
, path
);
159 if (!access_or_die(path
, R_OK
, 0)) {
160 if (++inc
->depth
> MAX_INCLUDE_DEPTH
)
161 die(_(include_depth_advice
), MAX_INCLUDE_DEPTH
, path
,
163 cf
->name
? cf
->name
:
165 ret
= git_config_from_file(git_config_include
, path
, inc
);
168 strbuf_release(&buf
);
173 static int prepare_include_condition_pattern(struct strbuf
*pat
)
175 struct strbuf path
= STRBUF_INIT
;
179 expanded
= expand_user_path(pat
->buf
, 1);
182 strbuf_addstr(pat
, expanded
);
186 if (pat
->buf
[0] == '.' && is_dir_sep(pat
->buf
[1])) {
189 if (!cf
|| !cf
->path
)
190 return error(_("relative config include "
191 "conditionals must come from files"));
193 strbuf_realpath(&path
, cf
->path
, 1);
194 slash
= find_last_dir_sep(path
.buf
);
196 BUG("how is this possible?");
197 strbuf_splice(pat
, 0, 1, path
.buf
, slash
- path
.buf
);
198 prefix
= slash
- path
.buf
+ 1 /* slash */;
199 } else if (!is_absolute_path(pat
->buf
))
200 strbuf_insert(pat
, 0, "**/", 3);
202 if (pat
->len
&& is_dir_sep(pat
->buf
[pat
->len
- 1]))
203 strbuf_addstr(pat
, "**");
205 strbuf_release(&path
);
209 static int include_by_gitdir(const struct config_options
*opts
,
210 const char *cond
, size_t cond_len
, int icase
)
212 struct strbuf text
= STRBUF_INIT
;
213 struct strbuf pattern
= STRBUF_INIT
;
216 int already_tried_absolute
= 0;
219 git_dir
= opts
->git_dir
;
223 strbuf_realpath(&text
, git_dir
, 1);
224 strbuf_add(&pattern
, cond
, cond_len
);
225 prefix
= prepare_include_condition_pattern(&pattern
);
233 * perform literal matching on the prefix part so that
234 * any wildcard character in it can't create side effects.
236 if (text
.len
< prefix
)
238 if (!icase
&& strncmp(pattern
.buf
, text
.buf
, prefix
))
240 if (icase
&& strncasecmp(pattern
.buf
, text
.buf
, prefix
))
244 ret
= !wildmatch(pattern
.buf
+ prefix
, text
.buf
+ prefix
,
245 WM_PATHNAME
| (icase
? WM_CASEFOLD
: 0));
247 if (!ret
&& !already_tried_absolute
) {
249 * We've tried e.g. matching gitdir:~/work, but if
250 * ~/work is a symlink to /mnt/storage/work
251 * strbuf_realpath() will expand it, so the rule won't
252 * match. Let's match against a
253 * strbuf_add_absolute_path() version of the path,
254 * which'll do the right thing
257 strbuf_add_absolute_path(&text
, git_dir
);
258 already_tried_absolute
= 1;
262 strbuf_release(&pattern
);
263 strbuf_release(&text
);
267 static int include_condition_is_true(const struct config_options
*opts
,
268 const char *cond
, size_t cond_len
)
271 if (skip_prefix_mem(cond
, cond_len
, "gitdir:", &cond
, &cond_len
))
272 return include_by_gitdir(opts
, cond
, cond_len
, 0);
273 else if (skip_prefix_mem(cond
, cond_len
, "gitdir/i:", &cond
, &cond_len
))
274 return include_by_gitdir(opts
, cond
, cond_len
, 1);
276 /* unknown conditionals are always false */
280 int git_config_include(const char *var
, const char *value
, void *data
)
282 struct config_include_data
*inc
= data
;
283 const char *cond
, *key
;
288 * Pass along all values, including "include" directives; this makes it
289 * possible to query information on the includes themselves.
291 ret
= inc
->fn(var
, value
, inc
->data
);
295 if (!strcmp(var
, "include.path"))
296 ret
= handle_path_include(value
, inc
);
298 if (!parse_config_key(var
, "includeif", &cond
, &cond_len
, &key
) &&
299 (cond
&& include_condition_is_true(inc
->opts
, cond
, cond_len
)) &&
300 !strcmp(key
, "path"))
301 ret
= handle_path_include(value
, inc
);
306 void git_config_push_parameter(const char *text
)
308 struct strbuf env
= STRBUF_INIT
;
309 const char *old
= getenv(CONFIG_DATA_ENVIRONMENT
);
311 strbuf_addstr(&env
, old
);
312 strbuf_addch(&env
, ' ');
314 sq_quote_buf(&env
, text
);
315 setenv(CONFIG_DATA_ENVIRONMENT
, env
.buf
, 1);
316 strbuf_release(&env
);
319 static inline int iskeychar(int c
)
321 return isalnum(c
) || c
== '-';
325 * Auxiliary function to sanity-check and split the key into the section
326 * identifier and variable name.
328 * Returns 0 on success, -1 when there is an invalid character in the key and
329 * -2 if there is no section name in the key.
331 * store_key - pointer to char* which will hold a copy of the key with
332 * lowercase section and variable name
333 * baselen - pointer to int which will hold the length of the
334 * section + subsection part, can be NULL
336 static int git_config_parse_key_1(const char *key
, char **store_key
, int *baselen_
, int quiet
)
339 const char *last_dot
= strrchr(key
, '.');
342 * Since "key" actually contains the section name and the real
343 * key name separated by a dot, we have to know where the dot is.
346 if (last_dot
== NULL
|| last_dot
== key
) {
348 error(_("key does not contain a section: %s"), key
);
349 return -CONFIG_NO_SECTION_OR_NAME
;
354 error(_("key does not contain variable name: %s"), key
);
355 return -CONFIG_NO_SECTION_OR_NAME
;
358 baselen
= last_dot
- key
;
363 * Validate the key and while at it, lower case it for matching.
366 *store_key
= xmallocz(strlen(key
));
369 for (i
= 0; key
[i
]; i
++) {
370 unsigned char c
= key
[i
];
373 /* Leave the extended basename untouched.. */
374 if (!dot
|| i
> baselen
) {
376 (i
== baselen
+ 1 && !isalpha(c
))) {
378 error(_("invalid key: %s"), key
);
382 } else if (c
== '\n') {
384 error(_("invalid key (newline): %s"), key
);
395 FREE_AND_NULL(*store_key
);
397 return -CONFIG_INVALID_KEY
;
400 int git_config_parse_key(const char *key
, char **store_key
, int *baselen
)
402 return git_config_parse_key_1(key
, store_key
, baselen
, 0);
405 int git_config_key_is_valid(const char *key
)
407 return !git_config_parse_key_1(key
, NULL
, NULL
, 1);
410 int git_config_parse_parameter(const char *text
,
411 config_fn_t fn
, void *data
)
414 char *canonical_name
;
415 struct strbuf
**pair
;
418 pair
= strbuf_split_str(text
, '=', 2);
420 return error(_("bogus config parameter: %s"), text
);
422 if (pair
[0]->len
&& pair
[0]->buf
[pair
[0]->len
- 1] == '=') {
423 strbuf_setlen(pair
[0], pair
[0]->len
- 1);
424 value
= pair
[1] ? pair
[1]->buf
: "";
429 strbuf_trim(pair
[0]);
431 strbuf_list_free(pair
);
432 return error(_("bogus config parameter: %s"), text
);
435 if (git_config_parse_key(pair
[0]->buf
, &canonical_name
, NULL
)) {
438 ret
= (fn(canonical_name
, value
, data
) < 0) ? -1 : 0;
439 free(canonical_name
);
441 strbuf_list_free(pair
);
445 int git_config_from_parameters(config_fn_t fn
, void *data
)
447 const char *env
= getenv(CONFIG_DATA_ENVIRONMENT
);
450 const char **argv
= NULL
;
451 int nr
= 0, alloc
= 0;
453 struct config_source source
;
458 memset(&source
, 0, sizeof(source
));
460 source
.origin_type
= CONFIG_ORIGIN_CMDLINE
;
463 /* sq_dequote will write over it */
466 if (sq_dequote_to_argv(envw
, &argv
, &nr
, &alloc
) < 0) {
467 ret
= error(_("bogus format in %s"), CONFIG_DATA_ENVIRONMENT
);
471 for (i
= 0; i
< nr
; i
++) {
472 if (git_config_parse_parameter(argv
[i
], fn
, data
) < 0) {
485 static int get_next_char(void)
487 int c
= cf
->do_fgetc(cf
);
490 /* DOS like systems */
491 c
= cf
->do_fgetc(cf
);
494 cf
->do_ungetc(c
, cf
);
508 static char *parse_value(void)
510 int quote
= 0, comment
= 0, space
= 0;
512 strbuf_reset(&cf
->value
);
514 int c
= get_next_char();
520 return cf
->value
.buf
;
524 if (isspace(c
) && !quote
) {
530 if (c
== ';' || c
== '#') {
535 for (; space
; space
--)
536 strbuf_addch(&cf
->value
, ' ');
551 /* Some characters escape as themselves */
554 /* Reject unknown escape sequences */
558 strbuf_addch(&cf
->value
, c
);
565 strbuf_addch(&cf
->value
, c
);
569 static int get_value(config_fn_t fn
, void *data
, struct strbuf
*name
)
575 /* Get the full name */
582 strbuf_addch(name
, tolower(c
));
585 while (c
== ' ' || c
== '\t')
592 value
= parse_value();
597 * We already consumed the \n, but we need linenr to point to
598 * the line we just parsed during the call to fn to get
599 * accurate line number in error messages.
602 ret
= fn(name
->buf
, value
, data
);
608 static int get_extended_base_var(struct strbuf
*name
, int c
)
610 cf
->subsection_case_sensitive
= 0;
613 goto error_incomplete_line
;
615 } while (isspace(c
));
617 /* We require the format to be '[base "extension"]' */
620 strbuf_addch(name
, '.');
623 int c
= get_next_char();
625 goto error_incomplete_line
;
631 goto error_incomplete_line
;
633 strbuf_addch(name
, c
);
637 if (get_next_char() != ']')
640 error_incomplete_line
:
645 static int get_base_var(struct strbuf
*name
)
647 cf
->subsection_case_sensitive
= 1;
649 int c
= get_next_char();
655 return get_extended_base_var(name
, c
);
656 if (!iskeychar(c
) && c
!= '.')
658 strbuf_addch(name
, tolower(c
));
662 struct parse_event_data
{
663 enum config_event_t previous_type
;
664 size_t previous_offset
;
665 const struct config_options
*opts
;
668 static int do_event(enum config_event_t type
, struct parse_event_data
*data
)
672 if (!data
->opts
|| !data
->opts
->event_fn
)
675 if (type
== CONFIG_EVENT_WHITESPACE
&&
676 data
->previous_type
== type
)
679 offset
= cf
->do_ftell(cf
);
681 * At EOF, the parser always "inserts" an extra '\n', therefore
682 * the end offset of the event is the current file position, otherwise
683 * we will already have advanced to the next event.
685 if (type
!= CONFIG_EVENT_EOF
)
688 if (data
->previous_type
!= CONFIG_EVENT_EOF
&&
689 data
->opts
->event_fn(data
->previous_type
, data
->previous_offset
,
690 offset
, data
->opts
->event_fn_data
) < 0)
693 data
->previous_type
= type
;
694 data
->previous_offset
= offset
;
699 static int git_parse_source(config_fn_t fn
, void *data
,
700 const struct config_options
*opts
)
704 struct strbuf
*var
= &cf
->var
;
705 int error_return
= 0;
706 char *error_msg
= NULL
;
708 /* U+FEFF Byte Order Mark in UTF8 */
709 const char *bomptr
= utf8_bom
;
711 /* For the parser event callback */
712 struct parse_event_data event_data
= {
713 CONFIG_EVENT_EOF
, 0, opts
720 if (bomptr
&& *bomptr
) {
721 /* We are at the file beginning; skip UTF8-encoded BOM
722 * if present. Sane editors won't put this in on their
723 * own, but e.g. Windows Notepad will do it happily. */
724 if (c
== (*bomptr
& 0377)) {
728 /* Do not tolerate partial BOM. */
729 if (bomptr
!= utf8_bom
)
731 /* No BOM at file beginning. Cool. */
737 if (do_event(CONFIG_EVENT_EOF
, &event_data
) < 0)
741 if (do_event(CONFIG_EVENT_WHITESPACE
, &event_data
) < 0)
749 if (do_event(CONFIG_EVENT_WHITESPACE
, &event_data
) < 0)
753 if (c
== '#' || c
== ';') {
754 if (do_event(CONFIG_EVENT_COMMENT
, &event_data
) < 0)
760 if (do_event(CONFIG_EVENT_SECTION
, &event_data
) < 0)
763 /* Reset prior to determining a new stem */
765 if (get_base_var(var
) < 0 || var
->len
< 1)
767 strbuf_addch(var
, '.');
774 if (do_event(CONFIG_EVENT_ENTRY
, &event_data
) < 0)
778 * Truncate the var name back to the section header
779 * stem prior to grabbing the suffix part of the name
782 strbuf_setlen(var
, baselen
);
783 strbuf_addch(var
, tolower(c
));
784 if (get_value(fn
, data
, var
) < 0)
788 if (do_event(CONFIG_EVENT_ERROR
, &event_data
) < 0)
791 switch (cf
->origin_type
) {
792 case CONFIG_ORIGIN_BLOB
:
793 error_msg
= xstrfmt(_("bad config line %d in blob %s"),
794 cf
->linenr
, cf
->name
);
796 case CONFIG_ORIGIN_FILE
:
797 error_msg
= xstrfmt(_("bad config line %d in file %s"),
798 cf
->linenr
, cf
->name
);
800 case CONFIG_ORIGIN_STDIN
:
801 error_msg
= xstrfmt(_("bad config line %d in standard input"),
804 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
805 error_msg
= xstrfmt(_("bad config line %d in submodule-blob %s"),
806 cf
->linenr
, cf
->name
);
808 case CONFIG_ORIGIN_CMDLINE
:
809 error_msg
= xstrfmt(_("bad config line %d in command line %s"),
810 cf
->linenr
, cf
->name
);
813 error_msg
= xstrfmt(_("bad config line %d in %s"),
814 cf
->linenr
, cf
->name
);
817 switch (opts
&& opts
->error_action
?
819 cf
->default_error_action
) {
820 case CONFIG_ERROR_DIE
:
821 die("%s", error_msg
);
823 case CONFIG_ERROR_ERROR
:
824 error_return
= error("%s", error_msg
);
826 case CONFIG_ERROR_SILENT
:
829 case CONFIG_ERROR_UNSET
:
830 BUG("config error action unset");
837 static int parse_unit_factor(const char *end
, uintmax_t *val
)
841 else if (!strcasecmp(end
, "k")) {
845 else if (!strcasecmp(end
, "m")) {
849 else if (!strcasecmp(end
, "g")) {
850 *val
*= 1024 * 1024 * 1024;
856 static int git_parse_signed(const char *value
, intmax_t *ret
, intmax_t max
)
858 if (value
&& *value
) {
862 uintmax_t factor
= 1;
865 val
= strtoimax(value
, &end
, 0);
868 if (!parse_unit_factor(end
, &factor
)) {
874 if (uval
> max
|| labs(val
) > uval
) {
886 static int git_parse_unsigned(const char *value
, uintmax_t *ret
, uintmax_t max
)
888 if (value
&& *value
) {
894 val
= strtoumax(value
, &end
, 0);
898 if (!parse_unit_factor(end
, &val
)) {
902 if (val
> max
|| oldval
> val
) {
913 static int git_parse_int(const char *value
, int *ret
)
916 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int)))
922 static int git_parse_int64(const char *value
, int64_t *ret
)
925 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int64_t)))
931 int git_parse_ulong(const char *value
, unsigned long *ret
)
934 if (!git_parse_unsigned(value
, &tmp
, maximum_unsigned_value_of_type(long)))
940 int git_parse_ssize_t(const char *value
, ssize_t
*ret
)
943 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(ssize_t
)))
950 static void die_bad_number(const char *name
, const char *value
)
952 const char *error_type
= (errno
== ERANGE
) ?
953 N_("out of range") : N_("invalid unit");
954 const char *bad_numeric
= N_("bad numeric config value '%s' for '%s': %s");
959 if (!strcmp(name
, "GIT_TEST_GETTEXT_POISON"))
961 * We explicitly *don't* use _() here since it would
962 * cause an infinite loop with _() needing to call
963 * use_gettext_poison(). This is why marked up
964 * translations with N_() above.
966 die(bad_numeric
, value
, name
, error_type
);
968 if (!(cf
&& cf
->name
))
969 die(_(bad_numeric
), value
, name
, _(error_type
));
971 switch (cf
->origin_type
) {
972 case CONFIG_ORIGIN_BLOB
:
973 die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
974 value
, name
, cf
->name
, _(error_type
));
975 case CONFIG_ORIGIN_FILE
:
976 die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
977 value
, name
, cf
->name
, _(error_type
));
978 case CONFIG_ORIGIN_STDIN
:
979 die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
980 value
, name
, _(error_type
));
981 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
982 die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
983 value
, name
, cf
->name
, _(error_type
));
984 case CONFIG_ORIGIN_CMDLINE
:
985 die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
986 value
, name
, cf
->name
, _(error_type
));
988 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
989 value
, name
, cf
->name
, _(error_type
));
993 int git_config_int(const char *name
, const char *value
)
996 if (!git_parse_int(value
, &ret
))
997 die_bad_number(name
, value
);
1001 int64_t git_config_int64(const char *name
, const char *value
)
1004 if (!git_parse_int64(value
, &ret
))
1005 die_bad_number(name
, value
);
1009 unsigned long git_config_ulong(const char *name
, const char *value
)
1012 if (!git_parse_ulong(value
, &ret
))
1013 die_bad_number(name
, value
);
1017 ssize_t
git_config_ssize_t(const char *name
, const char *value
)
1020 if (!git_parse_ssize_t(value
, &ret
))
1021 die_bad_number(name
, value
);
1025 static int git_parse_maybe_bool_text(const char *value
)
1031 if (!strcasecmp(value
, "true")
1032 || !strcasecmp(value
, "yes")
1033 || !strcasecmp(value
, "on"))
1035 if (!strcasecmp(value
, "false")
1036 || !strcasecmp(value
, "no")
1037 || !strcasecmp(value
, "off"))
1042 int git_parse_maybe_bool(const char *value
)
1044 int v
= git_parse_maybe_bool_text(value
);
1047 if (git_parse_int(value
, &v
))
1052 int git_config_bool_or_int(const char *name
, const char *value
, int *is_bool
)
1054 int v
= git_parse_maybe_bool_text(value
);
1060 return git_config_int(name
, value
);
1063 int git_config_bool(const char *name
, const char *value
)
1066 return !!git_config_bool_or_int(name
, value
, &discard
);
1069 int git_config_string(const char **dest
, const char *var
, const char *value
)
1072 return config_error_nonbool(var
);
1073 *dest
= xstrdup(value
);
1077 int git_config_pathname(const char **dest
, const char *var
, const char *value
)
1080 return config_error_nonbool(var
);
1081 *dest
= expand_user_path(value
, 0);
1083 die(_("failed to expand user dir in: '%s'"), value
);
1087 int git_config_expiry_date(timestamp_t
*timestamp
, const char *var
, const char *value
)
1090 return config_error_nonbool(var
);
1091 if (parse_expiry_date(value
, timestamp
))
1092 return error(_("'%s' for '%s' is not a valid timestamp"),
1097 int git_config_color(char *dest
, const char *var
, const char *value
)
1100 return config_error_nonbool(var
);
1101 if (color_parse(value
, dest
) < 0)
1106 static int git_default_core_config(const char *var
, const char *value
, void *cb
)
1108 /* This needs a better name */
1109 if (!strcmp(var
, "core.filemode")) {
1110 trust_executable_bit
= git_config_bool(var
, value
);
1113 if (!strcmp(var
, "core.trustctime")) {
1114 trust_ctime
= git_config_bool(var
, value
);
1117 if (!strcmp(var
, "core.checkstat")) {
1118 if (!strcasecmp(value
, "default"))
1120 else if (!strcasecmp(value
, "minimal"))
1124 if (!strcmp(var
, "core.quotepath")) {
1125 quote_path_fully
= git_config_bool(var
, value
);
1129 if (!strcmp(var
, "core.symlinks")) {
1130 has_symlinks
= git_config_bool(var
, value
);
1134 if (!strcmp(var
, "core.ignorecase")) {
1135 ignore_case
= git_config_bool(var
, value
);
1139 if (!strcmp(var
, "core.attributesfile"))
1140 return git_config_pathname(&git_attributes_file
, var
, value
);
1142 if (!strcmp(var
, "core.hookspath"))
1143 return git_config_pathname(&git_hooks_path
, var
, value
);
1145 if (!strcmp(var
, "core.bare")) {
1146 is_bare_repository_cfg
= git_config_bool(var
, value
);
1150 if (!strcmp(var
, "core.ignorestat")) {
1151 assume_unchanged
= git_config_bool(var
, value
);
1155 if (!strcmp(var
, "core.prefersymlinkrefs")) {
1156 prefer_symlink_refs
= git_config_bool(var
, value
);
1160 if (!strcmp(var
, "core.logallrefupdates")) {
1161 if (value
&& !strcasecmp(value
, "always"))
1162 log_all_ref_updates
= LOG_REFS_ALWAYS
;
1163 else if (git_config_bool(var
, value
))
1164 log_all_ref_updates
= LOG_REFS_NORMAL
;
1166 log_all_ref_updates
= LOG_REFS_NONE
;
1170 if (!strcmp(var
, "core.warnambiguousrefs")) {
1171 warn_ambiguous_refs
= git_config_bool(var
, value
);
1175 if (!strcmp(var
, "core.abbrev")) {
1177 return config_error_nonbool(var
);
1178 if (!strcasecmp(value
, "auto"))
1179 default_abbrev
= -1;
1181 int abbrev
= git_config_int(var
, value
);
1182 if (abbrev
< minimum_abbrev
|| abbrev
> 40)
1183 return error(_("abbrev length out of range: %d"), abbrev
);
1184 default_abbrev
= abbrev
;
1189 if (!strcmp(var
, "core.disambiguate"))
1190 return set_disambiguate_hint_config(var
, value
);
1192 if (!strcmp(var
, "core.loosecompression")) {
1193 int level
= git_config_int(var
, value
);
1195 level
= Z_DEFAULT_COMPRESSION
;
1196 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1197 die(_("bad zlib compression level %d"), level
);
1198 zlib_compression_level
= level
;
1199 zlib_compression_seen
= 1;
1203 if (!strcmp(var
, "core.compression")) {
1204 int level
= git_config_int(var
, value
);
1206 level
= Z_DEFAULT_COMPRESSION
;
1207 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1208 die(_("bad zlib compression level %d"), level
);
1209 core_compression_level
= level
;
1210 core_compression_seen
= 1;
1211 if (!zlib_compression_seen
)
1212 zlib_compression_level
= level
;
1213 if (!pack_compression_seen
)
1214 pack_compression_level
= level
;
1218 if (!strcmp(var
, "core.packedgitwindowsize")) {
1219 int pgsz_x2
= getpagesize() * 2;
1220 packed_git_window_size
= git_config_ulong(var
, value
);
1222 /* This value must be multiple of (pagesize * 2) */
1223 packed_git_window_size
/= pgsz_x2
;
1224 if (packed_git_window_size
< 1)
1225 packed_git_window_size
= 1;
1226 packed_git_window_size
*= pgsz_x2
;
1230 if (!strcmp(var
, "core.bigfilethreshold")) {
1231 big_file_threshold
= git_config_ulong(var
, value
);
1235 if (!strcmp(var
, "core.packedgitlimit")) {
1236 packed_git_limit
= git_config_ulong(var
, value
);
1240 if (!strcmp(var
, "core.deltabasecachelimit")) {
1241 delta_base_cache_limit
= git_config_ulong(var
, value
);
1245 if (!strcmp(var
, "core.autocrlf")) {
1246 if (value
&& !strcasecmp(value
, "input")) {
1247 auto_crlf
= AUTO_CRLF_INPUT
;
1250 auto_crlf
= git_config_bool(var
, value
);
1254 if (!strcmp(var
, "core.safecrlf")) {
1256 if (value
&& !strcasecmp(value
, "warn")) {
1257 global_conv_flags_eol
= CONV_EOL_RNDTRP_WARN
;
1260 eol_rndtrp_die
= git_config_bool(var
, value
);
1261 global_conv_flags_eol
= eol_rndtrp_die
?
1262 CONV_EOL_RNDTRP_DIE
: 0;
1266 if (!strcmp(var
, "core.eol")) {
1267 if (value
&& !strcasecmp(value
, "lf"))
1269 else if (value
&& !strcasecmp(value
, "crlf"))
1270 core_eol
= EOL_CRLF
;
1271 else if (value
&& !strcasecmp(value
, "native"))
1272 core_eol
= EOL_NATIVE
;
1274 core_eol
= EOL_UNSET
;
1278 if (!strcmp(var
, "core.checkroundtripencoding")) {
1279 check_roundtrip_encoding
= xstrdup(value
);
1283 if (!strcmp(var
, "core.notesref")) {
1284 notes_ref_name
= xstrdup(value
);
1288 if (!strcmp(var
, "core.editor"))
1289 return git_config_string(&editor_program
, var
, value
);
1291 if (!strcmp(var
, "core.commentchar")) {
1293 return config_error_nonbool(var
);
1294 else if (!strcasecmp(value
, "auto"))
1295 auto_comment_line_char
= 1;
1296 else if (value
[0] && !value
[1]) {
1297 comment_line_char
= value
[0];
1298 auto_comment_line_char
= 0;
1300 return error(_("core.commentChar should only be one character"));
1304 if (!strcmp(var
, "core.askpass"))
1305 return git_config_string(&askpass_program
, var
, value
);
1307 if (!strcmp(var
, "core.excludesfile"))
1308 return git_config_pathname(&excludes_file
, var
, value
);
1310 if (!strcmp(var
, "core.whitespace")) {
1312 return config_error_nonbool(var
);
1313 whitespace_rule_cfg
= parse_whitespace_rule(value
);
1317 if (!strcmp(var
, "core.fsyncobjectfiles")) {
1318 fsync_object_files
= git_config_bool(var
, value
);
1322 if (!strcmp(var
, "core.preloadindex")) {
1323 core_preload_index
= git_config_bool(var
, value
);
1327 if (!strcmp(var
, "core.createobject")) {
1328 if (!strcmp(value
, "rename"))
1329 object_creation_mode
= OBJECT_CREATION_USES_RENAMES
;
1330 else if (!strcmp(value
, "link"))
1331 object_creation_mode
= OBJECT_CREATION_USES_HARDLINKS
;
1333 die(_("invalid mode for object creation: %s"), value
);
1337 if (!strcmp(var
, "core.sparsecheckout")) {
1338 core_apply_sparse_checkout
= git_config_bool(var
, value
);
1342 if (!strcmp(var
, "core.precomposeunicode")) {
1343 precomposed_unicode
= git_config_bool(var
, value
);
1347 if (!strcmp(var
, "core.protecthfs")) {
1348 protect_hfs
= git_config_bool(var
, value
);
1352 if (!strcmp(var
, "core.protectntfs")) {
1353 protect_ntfs
= git_config_bool(var
, value
);
1357 if (!strcmp(var
, "core.partialclonefilter")) {
1358 return git_config_string(&core_partial_clone_filter_default
,
1362 if (!strcmp(var
, "core.usereplacerefs")) {
1363 read_replace_refs
= git_config_bool(var
, value
);
1367 /* Add other config variables here and to Documentation/config.txt. */
1368 return platform_core_config(var
, value
, cb
);
1371 static int git_default_i18n_config(const char *var
, const char *value
)
1373 if (!strcmp(var
, "i18n.commitencoding"))
1374 return git_config_string(&git_commit_encoding
, var
, value
);
1376 if (!strcmp(var
, "i18n.logoutputencoding"))
1377 return git_config_string(&git_log_output_encoding
, var
, value
);
1379 /* Add other config variables here and to Documentation/config.txt. */
1383 static int git_default_branch_config(const char *var
, const char *value
)
1385 if (!strcmp(var
, "branch.autosetupmerge")) {
1386 if (value
&& !strcasecmp(value
, "always")) {
1387 git_branch_track
= BRANCH_TRACK_ALWAYS
;
1390 git_branch_track
= git_config_bool(var
, value
);
1393 if (!strcmp(var
, "branch.autosetuprebase")) {
1395 return config_error_nonbool(var
);
1396 else if (!strcmp(value
, "never"))
1397 autorebase
= AUTOREBASE_NEVER
;
1398 else if (!strcmp(value
, "local"))
1399 autorebase
= AUTOREBASE_LOCAL
;
1400 else if (!strcmp(value
, "remote"))
1401 autorebase
= AUTOREBASE_REMOTE
;
1402 else if (!strcmp(value
, "always"))
1403 autorebase
= AUTOREBASE_ALWAYS
;
1405 return error(_("malformed value for %s"), var
);
1409 /* Add other config variables here and to Documentation/config.txt. */
1413 static int git_default_push_config(const char *var
, const char *value
)
1415 if (!strcmp(var
, "push.default")) {
1417 return config_error_nonbool(var
);
1418 else if (!strcmp(value
, "nothing"))
1419 push_default
= PUSH_DEFAULT_NOTHING
;
1420 else if (!strcmp(value
, "matching"))
1421 push_default
= PUSH_DEFAULT_MATCHING
;
1422 else if (!strcmp(value
, "simple"))
1423 push_default
= PUSH_DEFAULT_SIMPLE
;
1424 else if (!strcmp(value
, "upstream"))
1425 push_default
= PUSH_DEFAULT_UPSTREAM
;
1426 else if (!strcmp(value
, "tracking")) /* deprecated */
1427 push_default
= PUSH_DEFAULT_UPSTREAM
;
1428 else if (!strcmp(value
, "current"))
1429 push_default
= PUSH_DEFAULT_CURRENT
;
1431 error(_("malformed value for %s: %s"), var
, value
);
1432 return error(_("must be one of nothing, matching, simple, "
1433 "upstream or current"));
1438 /* Add other config variables here and to Documentation/config.txt. */
1442 static int git_default_mailmap_config(const char *var
, const char *value
)
1444 if (!strcmp(var
, "mailmap.file"))
1445 return git_config_pathname(&git_mailmap_file
, var
, value
);
1446 if (!strcmp(var
, "mailmap.blob"))
1447 return git_config_string(&git_mailmap_blob
, var
, value
);
1449 /* Add other config variables here and to Documentation/config.txt. */
1453 int git_default_config(const char *var
, const char *value
, void *cb
)
1455 if (starts_with(var
, "core."))
1456 return git_default_core_config(var
, value
, cb
);
1458 if (starts_with(var
, "user.") ||
1459 starts_with(var
, "author.") ||
1460 starts_with(var
, "committer."))
1461 return git_ident_config(var
, value
, cb
);
1463 if (starts_with(var
, "i18n."))
1464 return git_default_i18n_config(var
, value
);
1466 if (starts_with(var
, "branch."))
1467 return git_default_branch_config(var
, value
);
1469 if (starts_with(var
, "push."))
1470 return git_default_push_config(var
, value
);
1472 if (starts_with(var
, "mailmap."))
1473 return git_default_mailmap_config(var
, value
);
1475 if (starts_with(var
, "advice.") || starts_with(var
, "color.advice"))
1476 return git_default_advice_config(var
, value
);
1478 if (!strcmp(var
, "pager.color") || !strcmp(var
, "color.pager")) {
1479 pager_use_color
= git_config_bool(var
,value
);
1483 if (!strcmp(var
, "pack.packsizelimit")) {
1484 pack_size_limit_cfg
= git_config_ulong(var
, value
);
1488 if (!strcmp(var
, "pack.compression")) {
1489 int level
= git_config_int(var
, value
);
1491 level
= Z_DEFAULT_COMPRESSION
;
1492 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1493 die(_("bad pack compression level %d"), level
);
1494 pack_compression_level
= level
;
1495 pack_compression_seen
= 1;
1499 /* Add other config variables here and to Documentation/config.txt. */
1504 * All source specific fields in the union, die_on_error, name and the callbacks
1505 * fgetc, ungetc, ftell of top need to be initialized before calling
1508 static int do_config_from(struct config_source
*top
, config_fn_t fn
, void *data
,
1509 const struct config_options
*opts
)
1513 /* push config-file parsing state stack */
1517 strbuf_init(&top
->value
, 1024);
1518 strbuf_init(&top
->var
, 1024);
1521 ret
= git_parse_source(fn
, data
, opts
);
1523 /* pop config-file parsing state stack */
1524 strbuf_release(&top
->value
);
1525 strbuf_release(&top
->var
);
1531 static int do_config_from_file(config_fn_t fn
,
1532 const enum config_origin_type origin_type
,
1533 const char *name
, const char *path
, FILE *f
,
1534 void *data
, const struct config_options
*opts
)
1536 struct config_source top
;
1540 top
.origin_type
= origin_type
;
1543 top
.default_error_action
= CONFIG_ERROR_DIE
;
1544 top
.do_fgetc
= config_file_fgetc
;
1545 top
.do_ungetc
= config_file_ungetc
;
1546 top
.do_ftell
= config_file_ftell
;
1549 ret
= do_config_from(&top
, fn
, data
, opts
);
1554 static int git_config_from_stdin(config_fn_t fn
, void *data
)
1556 return do_config_from_file(fn
, CONFIG_ORIGIN_STDIN
, "", NULL
, stdin
,
1560 int git_config_from_file_with_options(config_fn_t fn
, const char *filename
,
1562 const struct config_options
*opts
)
1567 f
= fopen_or_warn(filename
, "r");
1569 ret
= do_config_from_file(fn
, CONFIG_ORIGIN_FILE
, filename
,
1570 filename
, f
, data
, opts
);
1576 int git_config_from_file(config_fn_t fn
, const char *filename
, void *data
)
1578 return git_config_from_file_with_options(fn
, filename
, data
, NULL
);
1581 int git_config_from_mem(config_fn_t fn
,
1582 const enum config_origin_type origin_type
,
1583 const char *name
, const char *buf
, size_t len
,
1584 void *data
, const struct config_options
*opts
)
1586 struct config_source top
;
1588 top
.u
.buf
.buf
= buf
;
1589 top
.u
.buf
.len
= len
;
1591 top
.origin_type
= origin_type
;
1594 top
.default_error_action
= CONFIG_ERROR_ERROR
;
1595 top
.do_fgetc
= config_buf_fgetc
;
1596 top
.do_ungetc
= config_buf_ungetc
;
1597 top
.do_ftell
= config_buf_ftell
;
1599 return do_config_from(&top
, fn
, data
, opts
);
1602 int git_config_from_blob_oid(config_fn_t fn
,
1604 const struct object_id
*oid
,
1607 enum object_type type
;
1612 buf
= read_object_file(oid
, &type
, &size
);
1614 return error(_("unable to load config blob object '%s'"), name
);
1615 if (type
!= OBJ_BLOB
) {
1617 return error(_("reference '%s' does not point to a blob"), name
);
1620 ret
= git_config_from_mem(fn
, CONFIG_ORIGIN_BLOB
, name
, buf
, size
,
1627 static int git_config_from_blob_ref(config_fn_t fn
,
1631 struct object_id oid
;
1633 if (get_oid(name
, &oid
) < 0)
1634 return error(_("unable to resolve config blob '%s'"), name
);
1635 return git_config_from_blob_oid(fn
, name
, &oid
, data
);
1638 const char *git_etc_gitconfig(void)
1640 static const char *system_wide
;
1642 system_wide
= system_path(ETC_GITCONFIG
);
1647 * Parse environment variable 'k' as a boolean (in various
1648 * possible spellings); if missing, use the default value 'def'.
1650 int git_env_bool(const char *k
, int def
)
1652 const char *v
= getenv(k
);
1653 return v
? git_config_bool(k
, v
) : def
;
1657 * Parse environment variable 'k' as ulong with possibly a unit
1658 * suffix; if missing, use the default value 'val'.
1660 unsigned long git_env_ulong(const char *k
, unsigned long val
)
1662 const char *v
= getenv(k
);
1663 if (v
&& !git_parse_ulong(v
, &val
))
1664 die(_("failed to parse %s"), k
);
1668 int git_config_system(void)
1670 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
1673 static int do_git_config_sequence(const struct config_options
*opts
,
1674 config_fn_t fn
, void *data
)
1677 char *xdg_config
= xdg_config_home("config");
1678 char *user_config
= expand_user_path("~/.gitconfig", 0);
1681 if (opts
->commondir
)
1682 repo_config
= mkpathdup("%s/config", opts
->commondir
);
1683 else if (opts
->git_dir
)
1684 BUG("git_dir without commondir");
1688 current_parsing_scope
= CONFIG_SCOPE_SYSTEM
;
1689 if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK
,
1690 opts
->system_gently
?
1691 ACCESS_EACCES_OK
: 0))
1692 ret
+= git_config_from_file(fn
, git_etc_gitconfig(),
1695 current_parsing_scope
= CONFIG_SCOPE_GLOBAL
;
1696 if (xdg_config
&& !access_or_die(xdg_config
, R_OK
, ACCESS_EACCES_OK
))
1697 ret
+= git_config_from_file(fn
, xdg_config
, data
);
1699 if (user_config
&& !access_or_die(user_config
, R_OK
, ACCESS_EACCES_OK
))
1700 ret
+= git_config_from_file(fn
, user_config
, data
);
1702 current_parsing_scope
= CONFIG_SCOPE_REPO
;
1703 if (!opts
->ignore_repo
&& repo_config
&&
1704 !access_or_die(repo_config
, R_OK
, 0))
1705 ret
+= git_config_from_file(fn
, repo_config
, data
);
1708 * Note: this should have a new scope, CONFIG_SCOPE_WORKTREE.
1709 * But let's not complicate things before it's actually needed.
1711 if (!opts
->ignore_worktree
&& repository_format_worktree_config
) {
1712 char *path
= git_pathdup("config.worktree");
1713 if (!access_or_die(path
, R_OK
, 0))
1714 ret
+= git_config_from_file(fn
, path
, data
);
1718 current_parsing_scope
= CONFIG_SCOPE_CMDLINE
;
1719 if (!opts
->ignore_cmdline
&& git_config_from_parameters(fn
, data
) < 0)
1720 die(_("unable to parse command-line config"));
1722 current_parsing_scope
= CONFIG_SCOPE_UNKNOWN
;
1729 int config_with_options(config_fn_t fn
, void *data
,
1730 struct git_config_source
*config_source
,
1731 const struct config_options
*opts
)
1733 struct config_include_data inc
= CONFIG_INCLUDE_INIT
;
1735 if (opts
->respect_includes
) {
1739 fn
= git_config_include
;
1744 * If we have a specific filename, use it. Otherwise, follow the
1745 * regular lookup sequence.
1747 if (config_source
&& config_source
->use_stdin
)
1748 return git_config_from_stdin(fn
, data
);
1749 else if (config_source
&& config_source
->file
)
1750 return git_config_from_file(fn
, config_source
->file
, data
);
1751 else if (config_source
&& config_source
->blob
)
1752 return git_config_from_blob_ref(fn
, config_source
->blob
, data
);
1754 return do_git_config_sequence(opts
, fn
, data
);
1757 static void configset_iter(struct config_set
*cs
, config_fn_t fn
, void *data
)
1760 struct string_list
*values
;
1761 struct config_set_element
*entry
;
1762 struct configset_list
*list
= &cs
->list
;
1764 for (i
= 0; i
< list
->nr
; i
++) {
1765 entry
= list
->items
[i
].e
;
1766 value_index
= list
->items
[i
].value_index
;
1767 values
= &entry
->value_list
;
1769 current_config_kvi
= values
->items
[value_index
].util
;
1771 if (fn(entry
->key
, values
->items
[value_index
].string
, data
) < 0)
1772 git_die_config_linenr(entry
->key
,
1773 current_config_kvi
->filename
,
1774 current_config_kvi
->linenr
);
1776 current_config_kvi
= NULL
;
1780 void read_early_config(config_fn_t cb
, void *data
)
1782 struct config_options opts
= {0};
1783 struct strbuf commondir
= STRBUF_INIT
;
1784 struct strbuf gitdir
= STRBUF_INIT
;
1786 opts
.respect_includes
= 1;
1788 if (have_git_dir()) {
1789 opts
.commondir
= get_git_common_dir();
1790 opts
.git_dir
= get_git_dir();
1792 * When setup_git_directory() was not yet asked to discover the
1793 * GIT_DIR, we ask discover_git_directory() to figure out whether there
1794 * is any repository config we should use (but unlike
1795 * setup_git_directory_gently(), no global state is changed, most
1796 * notably, the current working directory is still the same after the
1799 } else if (!discover_git_directory(&commondir
, &gitdir
)) {
1800 opts
.commondir
= commondir
.buf
;
1801 opts
.git_dir
= gitdir
.buf
;
1804 config_with_options(cb
, data
, NULL
, &opts
);
1806 strbuf_release(&commondir
);
1807 strbuf_release(&gitdir
);
1811 * Read config but only enumerate system and global settings.
1812 * Omit any repo-local, worktree-local, or command-line settings.
1814 void read_very_early_config(config_fn_t cb
, void *data
)
1816 struct config_options opts
= { 0 };
1818 opts
.respect_includes
= 1;
1819 opts
.ignore_repo
= 1;
1820 opts
.ignore_worktree
= 1;
1821 opts
.ignore_cmdline
= 1;
1822 opts
.system_gently
= 1;
1824 config_with_options(cb
, data
, NULL
, &opts
);
1827 static struct config_set_element
*configset_find_element(struct config_set
*cs
, const char *key
)
1829 struct config_set_element k
;
1830 struct config_set_element
*found_entry
;
1831 char *normalized_key
;
1833 * `key` may come from the user, so normalize it before using it
1834 * for querying entries from the hashmap.
1836 if (git_config_parse_key(key
, &normalized_key
, NULL
))
1839 hashmap_entry_init(&k
, strhash(normalized_key
));
1840 k
.key
= normalized_key
;
1841 found_entry
= hashmap_get(&cs
->config_hash
, &k
, NULL
);
1842 free(normalized_key
);
1846 static int configset_add_value(struct config_set
*cs
, const char *key
, const char *value
)
1848 struct config_set_element
*e
;
1849 struct string_list_item
*si
;
1850 struct configset_list_item
*l_item
;
1851 struct key_value_info
*kv_info
= xmalloc(sizeof(*kv_info
));
1853 e
= configset_find_element(cs
, key
);
1855 * Since the keys are being fed by git_config*() callback mechanism, they
1856 * are already normalized. So simply add them without any further munging.
1859 e
= xmalloc(sizeof(*e
));
1860 hashmap_entry_init(e
, strhash(key
));
1861 e
->key
= xstrdup(key
);
1862 string_list_init(&e
->value_list
, 1);
1863 hashmap_add(&cs
->config_hash
, e
);
1865 si
= string_list_append_nodup(&e
->value_list
, xstrdup_or_null(value
));
1867 ALLOC_GROW(cs
->list
.items
, cs
->list
.nr
+ 1, cs
->list
.alloc
);
1868 l_item
= &cs
->list
.items
[cs
->list
.nr
++];
1870 l_item
->value_index
= e
->value_list
.nr
- 1;
1873 BUG("configset_add_value has no source");
1875 kv_info
->filename
= strintern(cf
->name
);
1876 kv_info
->linenr
= cf
->linenr
;
1877 kv_info
->origin_type
= cf
->origin_type
;
1879 /* for values read from `git_config_from_parameters()` */
1880 kv_info
->filename
= NULL
;
1881 kv_info
->linenr
= -1;
1882 kv_info
->origin_type
= CONFIG_ORIGIN_CMDLINE
;
1884 kv_info
->scope
= current_parsing_scope
;
1890 static int config_set_element_cmp(const void *unused_cmp_data
,
1892 const void *entry_or_key
,
1893 const void *unused_keydata
)
1895 const struct config_set_element
*e1
= entry
;
1896 const struct config_set_element
*e2
= entry_or_key
;
1898 return strcmp(e1
->key
, e2
->key
);
1901 void git_configset_init(struct config_set
*cs
)
1903 hashmap_init(&cs
->config_hash
, config_set_element_cmp
, NULL
, 0);
1904 cs
->hash_initialized
= 1;
1907 cs
->list
.items
= NULL
;
1910 void git_configset_clear(struct config_set
*cs
)
1912 struct config_set_element
*entry
;
1913 struct hashmap_iter iter
;
1914 if (!cs
->hash_initialized
)
1917 hashmap_iter_init(&cs
->config_hash
, &iter
);
1918 while ((entry
= hashmap_iter_next(&iter
))) {
1920 string_list_clear(&entry
->value_list
, 1);
1922 hashmap_free(&cs
->config_hash
, 1);
1923 cs
->hash_initialized
= 0;
1924 free(cs
->list
.items
);
1927 cs
->list
.items
= NULL
;
1930 static int config_set_callback(const char *key
, const char *value
, void *cb
)
1932 struct config_set
*cs
= cb
;
1933 configset_add_value(cs
, key
, value
);
1937 int git_configset_add_file(struct config_set
*cs
, const char *filename
)
1939 return git_config_from_file(config_set_callback
, filename
, cs
);
1942 int git_configset_get_value(struct config_set
*cs
, const char *key
, const char **value
)
1944 const struct string_list
*values
= NULL
;
1946 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
1947 * queried key in the files of the configset, the value returned will be the last
1948 * value in the value list for that key.
1950 values
= git_configset_get_value_multi(cs
, key
);
1954 assert(values
->nr
> 0);
1955 *value
= values
->items
[values
->nr
- 1].string
;
1959 const struct string_list
*git_configset_get_value_multi(struct config_set
*cs
, const char *key
)
1961 struct config_set_element
*e
= configset_find_element(cs
, key
);
1962 return e
? &e
->value_list
: NULL
;
1965 int git_configset_get_string_const(struct config_set
*cs
, const char *key
, const char **dest
)
1968 if (!git_configset_get_value(cs
, key
, &value
))
1969 return git_config_string(dest
, key
, value
);
1974 int git_configset_get_string(struct config_set
*cs
, const char *key
, char **dest
)
1976 return git_configset_get_string_const(cs
, key
, (const char **)dest
);
1979 int git_configset_get_int(struct config_set
*cs
, const char *key
, int *dest
)
1982 if (!git_configset_get_value(cs
, key
, &value
)) {
1983 *dest
= git_config_int(key
, value
);
1989 int git_configset_get_ulong(struct config_set
*cs
, const char *key
, unsigned long *dest
)
1992 if (!git_configset_get_value(cs
, key
, &value
)) {
1993 *dest
= git_config_ulong(key
, value
);
1999 int git_configset_get_bool(struct config_set
*cs
, const char *key
, int *dest
)
2002 if (!git_configset_get_value(cs
, key
, &value
)) {
2003 *dest
= git_config_bool(key
, value
);
2009 int git_configset_get_bool_or_int(struct config_set
*cs
, const char *key
,
2010 int *is_bool
, int *dest
)
2013 if (!git_configset_get_value(cs
, key
, &value
)) {
2014 *dest
= git_config_bool_or_int(key
, value
, is_bool
);
2020 int git_configset_get_maybe_bool(struct config_set
*cs
, const char *key
, int *dest
)
2023 if (!git_configset_get_value(cs
, key
, &value
)) {
2024 *dest
= git_parse_maybe_bool(value
);
2032 int git_configset_get_pathname(struct config_set
*cs
, const char *key
, const char **dest
)
2035 if (!git_configset_get_value(cs
, key
, &value
))
2036 return git_config_pathname(dest
, key
, value
);
2041 /* Functions use to read configuration from a repository */
2042 static void repo_read_config(struct repository
*repo
)
2044 struct config_options opts
= { 0 };
2046 opts
.respect_includes
= 1;
2047 opts
.commondir
= repo
->commondir
;
2048 opts
.git_dir
= repo
->gitdir
;
2051 repo
->config
= xcalloc(1, sizeof(struct config_set
));
2053 git_configset_clear(repo
->config
);
2055 git_configset_init(repo
->config
);
2057 if (config_with_options(config_set_callback
, repo
->config
, NULL
, &opts
) < 0)
2059 * config_with_options() normally returns only
2060 * zero, as most errors are fatal, and
2061 * non-fatal potential errors are guarded by "if"
2062 * statements that are entered only when no error is
2065 * If we ever encounter a non-fatal error, it means
2066 * something went really wrong and we should stop
2069 die(_("unknown error occurred while reading the configuration files"));
2072 static void git_config_check_init(struct repository
*repo
)
2074 if (repo
->config
&& repo
->config
->hash_initialized
)
2076 repo_read_config(repo
);
2079 static void repo_config_clear(struct repository
*repo
)
2081 if (!repo
->config
|| !repo
->config
->hash_initialized
)
2083 git_configset_clear(repo
->config
);
2086 void repo_config(struct repository
*repo
, config_fn_t fn
, void *data
)
2088 git_config_check_init(repo
);
2089 configset_iter(repo
->config
, fn
, data
);
2092 int repo_config_get_value(struct repository
*repo
,
2093 const char *key
, const char **value
)
2095 git_config_check_init(repo
);
2096 return git_configset_get_value(repo
->config
, key
, value
);
2099 const struct string_list
*repo_config_get_value_multi(struct repository
*repo
,
2102 git_config_check_init(repo
);
2103 return git_configset_get_value_multi(repo
->config
, key
);
2106 int repo_config_get_string_const(struct repository
*repo
,
2107 const char *key
, const char **dest
)
2110 git_config_check_init(repo
);
2111 ret
= git_configset_get_string_const(repo
->config
, key
, dest
);
2113 git_die_config(key
, NULL
);
2117 int repo_config_get_string(struct repository
*repo
,
2118 const char *key
, char **dest
)
2120 git_config_check_init(repo
);
2121 return repo_config_get_string_const(repo
, key
, (const char **)dest
);
2124 int repo_config_get_int(struct repository
*repo
,
2125 const char *key
, int *dest
)
2127 git_config_check_init(repo
);
2128 return git_configset_get_int(repo
->config
, key
, dest
);
2131 int repo_config_get_ulong(struct repository
*repo
,
2132 const char *key
, unsigned long *dest
)
2134 git_config_check_init(repo
);
2135 return git_configset_get_ulong(repo
->config
, key
, dest
);
2138 int repo_config_get_bool(struct repository
*repo
,
2139 const char *key
, int *dest
)
2141 git_config_check_init(repo
);
2142 return git_configset_get_bool(repo
->config
, key
, dest
);
2145 int repo_config_get_bool_or_int(struct repository
*repo
,
2146 const char *key
, int *is_bool
, int *dest
)
2148 git_config_check_init(repo
);
2149 return git_configset_get_bool_or_int(repo
->config
, key
, is_bool
, dest
);
2152 int repo_config_get_maybe_bool(struct repository
*repo
,
2153 const char *key
, int *dest
)
2155 git_config_check_init(repo
);
2156 return git_configset_get_maybe_bool(repo
->config
, key
, dest
);
2159 int repo_config_get_pathname(struct repository
*repo
,
2160 const char *key
, const char **dest
)
2163 git_config_check_init(repo
);
2164 ret
= git_configset_get_pathname(repo
->config
, key
, dest
);
2166 git_die_config(key
, NULL
);
2170 /* Functions used historically to read configuration from 'the_repository' */
2171 void git_config(config_fn_t fn
, void *data
)
2173 repo_config(the_repository
, fn
, data
);
2176 void git_config_clear(void)
2178 repo_config_clear(the_repository
);
2181 int git_config_get_value(const char *key
, const char **value
)
2183 return repo_config_get_value(the_repository
, key
, value
);
2186 const struct string_list
*git_config_get_value_multi(const char *key
)
2188 return repo_config_get_value_multi(the_repository
, key
);
2191 int git_config_get_string_const(const char *key
, const char **dest
)
2193 return repo_config_get_string_const(the_repository
, key
, dest
);
2196 int git_config_get_string(const char *key
, char **dest
)
2198 return repo_config_get_string(the_repository
, key
, dest
);
2201 int git_config_get_int(const char *key
, int *dest
)
2203 return repo_config_get_int(the_repository
, key
, dest
);
2206 int git_config_get_ulong(const char *key
, unsigned long *dest
)
2208 return repo_config_get_ulong(the_repository
, key
, dest
);
2211 int git_config_get_bool(const char *key
, int *dest
)
2213 return repo_config_get_bool(the_repository
, key
, dest
);
2216 int git_config_get_bool_or_int(const char *key
, int *is_bool
, int *dest
)
2218 return repo_config_get_bool_or_int(the_repository
, key
, is_bool
, dest
);
2221 int git_config_get_maybe_bool(const char *key
, int *dest
)
2223 return repo_config_get_maybe_bool(the_repository
, key
, dest
);
2226 int git_config_get_pathname(const char *key
, const char **dest
)
2228 return repo_config_get_pathname(the_repository
, key
, dest
);
2231 int git_config_get_expiry(const char *key
, const char **output
)
2233 int ret
= git_config_get_string_const(key
, output
);
2236 if (strcmp(*output
, "now")) {
2237 timestamp_t now
= approxidate("now");
2238 if (approxidate(*output
) >= now
)
2239 git_die_config(key
, _("Invalid %s: '%s'"), key
, *output
);
2244 int git_config_get_expiry_in_days(const char *key
, timestamp_t
*expiry
, timestamp_t now
)
2246 char *expiry_string
;
2250 if (git_config_get_string(key
, &expiry_string
))
2251 return 1; /* no such thing */
2253 if (git_parse_signed(expiry_string
, &days
, maximum_signed_value_of_type(int))) {
2254 const int scale
= 86400;
2255 *expiry
= now
- days
* scale
;
2259 if (!parse_expiry_date(expiry_string
, &when
)) {
2263 return -1; /* thing exists but cannot be parsed */
2266 int git_config_get_untracked_cache(void)
2271 /* Hack for test programs like test-dump-untracked-cache */
2272 if (ignore_untracked_cache_config
)
2275 if (!git_config_get_maybe_bool("core.untrackedcache", &val
))
2278 if (!git_config_get_value("core.untrackedcache", &v
)) {
2279 if (!strcasecmp(v
, "keep"))
2282 error(_("unknown core.untrackedCache value '%s'; "
2283 "using 'keep' default value"), v
);
2287 return -1; /* default value */
2290 int git_config_get_split_index(void)
2294 if (!git_config_get_maybe_bool("core.splitindex", &val
))
2297 return -1; /* default value */
2300 int git_config_get_max_percent_split_change(void)
2304 if (!git_config_get_int("splitindex.maxpercentchange", &val
)) {
2305 if (0 <= val
&& val
<= 100)
2308 return error(_("splitIndex.maxPercentChange value '%d' "
2309 "should be between 0 and 100"), val
);
2312 return -1; /* default value */
2315 int git_config_get_fsmonitor(void)
2317 if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor
))
2318 core_fsmonitor
= getenv("GIT_TEST_FSMONITOR");
2320 if (core_fsmonitor
&& !*core_fsmonitor
)
2321 core_fsmonitor
= NULL
;
2329 int git_config_get_index_threads(int *dest
)
2333 val
= git_env_ulong("GIT_TEST_INDEX_THREADS", 0);
2339 if (!git_config_get_bool_or_int("index.threads", &is_bool
, &val
)) {
2341 *dest
= val
? 0 : 1;
2351 void git_die_config_linenr(const char *key
, const char *filename
, int linenr
)
2354 die(_("unable to parse '%s' from command-line config"), key
);
2356 die(_("bad config variable '%s' in file '%s' at line %d"),
2357 key
, filename
, linenr
);
2360 NORETURN
__attribute__((format(printf
, 2, 3)))
2361 void git_die_config(const char *key
, const char *err
, ...)
2363 const struct string_list
*values
;
2364 struct key_value_info
*kv_info
;
2368 va_start(params
, err
);
2369 vreportf("error: ", err
, params
);
2372 values
= git_config_get_value_multi(key
);
2373 kv_info
= values
->items
[values
->nr
- 1].util
;
2374 git_die_config_linenr(key
, kv_info
->filename
, kv_info
->linenr
);
2378 * Find all the stuff for git_config_set() below.
2381 struct config_store_data
{
2385 regex_t
*value_regex
;
2389 enum config_event_t type
;
2390 int is_keys_section
;
2392 unsigned int parsed_nr
, parsed_alloc
, *seen
, seen_nr
, seen_alloc
;
2393 unsigned int key_seen
:1, section_seen
:1, is_keys_section
:1;
2396 static void config_store_data_clear(struct config_store_data
*store
)
2399 if (store
->value_regex
!= NULL
&&
2400 store
->value_regex
!= CONFIG_REGEX_NONE
) {
2401 regfree(store
->value_regex
);
2402 free(store
->value_regex
);
2404 free(store
->parsed
);
2406 memset(store
, 0, sizeof(*store
));
2409 static int matches(const char *key
, const char *value
,
2410 const struct config_store_data
*store
)
2412 if (strcmp(key
, store
->key
))
2413 return 0; /* not ours */
2414 if (!store
->value_regex
)
2415 return 1; /* always matches */
2416 if (store
->value_regex
== CONFIG_REGEX_NONE
)
2417 return 0; /* never matches */
2419 return store
->do_not_match
^
2420 (value
&& !regexec(store
->value_regex
, value
, 0, NULL
, 0));
2423 static int store_aux_event(enum config_event_t type
,
2424 size_t begin
, size_t end
, void *data
)
2426 struct config_store_data
*store
= data
;
2428 ALLOC_GROW(store
->parsed
, store
->parsed_nr
+ 1, store
->parsed_alloc
);
2429 store
->parsed
[store
->parsed_nr
].begin
= begin
;
2430 store
->parsed
[store
->parsed_nr
].end
= end
;
2431 store
->parsed
[store
->parsed_nr
].type
= type
;
2433 if (type
== CONFIG_EVENT_SECTION
) {
2434 int (*cmpfn
)(const char *, const char *, size_t);
2436 if (cf
->var
.len
< 2 || cf
->var
.buf
[cf
->var
.len
- 1] != '.')
2437 return error(_("invalid section name '%s'"), cf
->var
.buf
);
2439 if (cf
->subsection_case_sensitive
)
2440 cmpfn
= strncasecmp
;
2444 /* Is this the section we were looking for? */
2445 store
->is_keys_section
=
2446 store
->parsed
[store
->parsed_nr
].is_keys_section
=
2447 cf
->var
.len
- 1 == store
->baselen
&&
2448 !cmpfn(cf
->var
.buf
, store
->key
, store
->baselen
);
2449 if (store
->is_keys_section
) {
2450 store
->section_seen
= 1;
2451 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1,
2453 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
2462 static int store_aux(const char *key
, const char *value
, void *cb
)
2464 struct config_store_data
*store
= cb
;
2466 if (store
->key_seen
) {
2467 if (matches(key
, value
, store
)) {
2468 if (store
->seen_nr
== 1 && store
->multi_replace
== 0) {
2469 warning(_("%s has multiple values"), key
);
2472 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1,
2475 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
2478 } else if (store
->is_keys_section
) {
2480 * Do not increment matches yet: this may not be a match, but we
2481 * are in the desired section.
2483 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1, store
->seen_alloc
);
2484 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
2485 store
->section_seen
= 1;
2487 if (matches(key
, value
, store
)) {
2489 store
->key_seen
= 1;
2496 static int write_error(const char *filename
)
2498 error(_("failed to write new configuration file %s"), filename
);
2500 /* Same error code as "failed to rename". */
2504 static struct strbuf
store_create_section(const char *key
,
2505 const struct config_store_data
*store
)
2509 struct strbuf sb
= STRBUF_INIT
;
2511 dot
= memchr(key
, '.', store
->baselen
);
2513 strbuf_addf(&sb
, "[%.*s \"", (int)(dot
- key
), key
);
2514 for (i
= dot
- key
+ 1; i
< store
->baselen
; i
++) {
2515 if (key
[i
] == '"' || key
[i
] == '\\')
2516 strbuf_addch(&sb
, '\\');
2517 strbuf_addch(&sb
, key
[i
]);
2519 strbuf_addstr(&sb
, "\"]\n");
2521 strbuf_addf(&sb
, "[%.*s]\n", store
->baselen
, key
);
2527 static ssize_t
write_section(int fd
, const char *key
,
2528 const struct config_store_data
*store
)
2530 struct strbuf sb
= store_create_section(key
, store
);
2533 ret
= write_in_full(fd
, sb
.buf
, sb
.len
);
2534 strbuf_release(&sb
);
2539 static ssize_t
write_pair(int fd
, const char *key
, const char *value
,
2540 const struct config_store_data
*store
)
2544 int length
= strlen(key
+ store
->baselen
+ 1);
2545 const char *quote
= "";
2546 struct strbuf sb
= STRBUF_INIT
;
2549 * Check to see if the value needs to be surrounded with a dq pair.
2550 * Note that problematic characters are always backslash-quoted; this
2551 * check is about not losing leading or trailing SP and strings that
2552 * follow beginning-of-comment characters (i.e. ';' and '#') by the
2553 * configuration parser.
2555 if (value
[0] == ' ')
2557 for (i
= 0; value
[i
]; i
++)
2558 if (value
[i
] == ';' || value
[i
] == '#')
2560 if (i
&& value
[i
- 1] == ' ')
2563 strbuf_addf(&sb
, "\t%.*s = %s",
2564 length
, key
+ store
->baselen
+ 1, quote
);
2566 for (i
= 0; value
[i
]; i
++)
2569 strbuf_addstr(&sb
, "\\n");
2572 strbuf_addstr(&sb
, "\\t");
2576 strbuf_addch(&sb
, '\\');
2579 strbuf_addch(&sb
, value
[i
]);
2582 strbuf_addf(&sb
, "%s\n", quote
);
2584 ret
= write_in_full(fd
, sb
.buf
, sb
.len
);
2585 strbuf_release(&sb
);
2591 * If we are about to unset the last key(s) in a section, and if there are
2592 * no comments surrounding (or included in) the section, we will want to
2593 * extend begin/end to remove the entire section.
2595 * Note: the parameter `seen_ptr` points to the index into the store.seen
2596 * array. * This index may be incremented if a section has more than one
2597 * entry (which all are to be removed).
2599 static void maybe_remove_section(struct config_store_data
*store
,
2600 size_t *begin_offset
, size_t *end_offset
,
2604 int i
, seen
, section_seen
= 0;
2607 * First, ensure that this is the first key, and that there are no
2608 * comments before the entry nor before the section header.
2611 for (i
= store
->seen
[seen
]; i
> 0; i
--) {
2612 enum config_event_t type
= store
->parsed
[i
- 1].type
;
2614 if (type
== CONFIG_EVENT_COMMENT
)
2615 /* There is a comment before this entry or section */
2617 if (type
== CONFIG_EVENT_ENTRY
) {
2619 /* This is not the section's first entry. */
2621 /* We encountered no comment before the section. */
2624 if (type
== CONFIG_EVENT_SECTION
) {
2625 if (!store
->parsed
[i
- 1].is_keys_section
)
2630 begin
= store
->parsed
[i
].begin
;
2633 * Next, make sure that we are removing he last key(s) in the section,
2634 * and that there are no comments that are possibly about the current
2637 for (i
= store
->seen
[seen
] + 1; i
< store
->parsed_nr
; i
++) {
2638 enum config_event_t type
= store
->parsed
[i
].type
;
2640 if (type
== CONFIG_EVENT_COMMENT
)
2642 if (type
== CONFIG_EVENT_SECTION
) {
2643 if (store
->parsed
[i
].is_keys_section
)
2647 if (type
== CONFIG_EVENT_ENTRY
) {
2648 if (++seen
< store
->seen_nr
&&
2649 i
== store
->seen
[seen
])
2650 /* We want to remove this entry, too */
2652 /* There is another entry in this section. */
2658 * We are really removing the last entry/entries from this section, and
2659 * there are no enclosed or surrounding comments. Remove the entire,
2660 * now-empty section.
2663 *begin_offset
= begin
;
2664 if (i
< store
->parsed_nr
)
2665 *end_offset
= store
->parsed
[i
].begin
;
2667 *end_offset
= store
->parsed
[store
->parsed_nr
- 1].end
;
2670 int git_config_set_in_file_gently(const char *config_filename
,
2671 const char *key
, const char *value
)
2673 return git_config_set_multivar_in_file_gently(config_filename
, key
, value
, NULL
, 0);
2676 void git_config_set_in_file(const char *config_filename
,
2677 const char *key
, const char *value
)
2679 git_config_set_multivar_in_file(config_filename
, key
, value
, NULL
, 0);
2682 int git_config_set_gently(const char *key
, const char *value
)
2684 return git_config_set_multivar_gently(key
, value
, NULL
, 0);
2687 void git_config_set(const char *key
, const char *value
)
2689 git_config_set_multivar(key
, value
, NULL
, 0);
2691 trace2_cmd_set_config(key
, value
);
2695 * If value==NULL, unset in (remove from) config,
2696 * if value_regex!=NULL, disregard key/value pairs where value does not match.
2697 * if value_regex==CONFIG_REGEX_NONE, do not match any existing values
2698 * (only add a new one)
2699 * if multi_replace==0, nothing, or only one matching key/value is replaced,
2700 * else all matching key/values (regardless how many) are removed,
2701 * before the new pair is written.
2703 * Returns 0 on success.
2705 * This function does this:
2707 * - it locks the config file by creating ".git/config.lock"
2709 * - it then parses the config using store_aux() as validator to find
2710 * the position on the key/value pair to replace. If it is to be unset,
2711 * it must be found exactly once.
2713 * - the config file is mmap()ed and the part before the match (if any) is
2714 * written to the lock file, then the changed part and the rest.
2716 * - the config file is removed and the lock file rename()d to it.
2719 int git_config_set_multivar_in_file_gently(const char *config_filename
,
2720 const char *key
, const char *value
,
2721 const char *value_regex
,
2724 int fd
= -1, in_fd
= -1;
2726 struct lock_file lock
= LOCK_INIT
;
2727 char *filename_buf
= NULL
;
2728 char *contents
= NULL
;
2730 struct config_store_data store
;
2732 memset(&store
, 0, sizeof(store
));
2734 /* parse-key returns negative; flip the sign to feed exit(3) */
2735 ret
= 0 - git_config_parse_key(key
, &store
.key
, &store
.baselen
);
2739 store
.multi_replace
= multi_replace
;
2741 if (!config_filename
)
2742 config_filename
= filename_buf
= git_pathdup("config");
2745 * The lock serves a purpose in addition to locking: the new
2746 * contents of .git/config will be written into it.
2748 fd
= hold_lock_file_for_update(&lock
, config_filename
, 0);
2750 error_errno(_("could not lock config file %s"), config_filename
);
2751 ret
= CONFIG_NO_LOCK
;
2756 * If .git/config does not exist yet, write a minimal version.
2758 in_fd
= open(config_filename
, O_RDONLY
);
2760 if ( ENOENT
!= errno
) {
2761 error_errno(_("opening %s"), config_filename
);
2762 ret
= CONFIG_INVALID_FILE
; /* same as "invalid config file" */
2765 /* if nothing to unset, error out */
2766 if (value
== NULL
) {
2767 ret
= CONFIG_NOTHING_SET
;
2772 store
.key
= xstrdup(key
);
2773 if (write_section(fd
, key
, &store
) < 0 ||
2774 write_pair(fd
, key
, value
, &store
) < 0)
2778 size_t copy_begin
, copy_end
;
2779 int i
, new_line
= 0;
2780 struct config_options opts
;
2782 if (value_regex
== NULL
)
2783 store
.value_regex
= NULL
;
2784 else if (value_regex
== CONFIG_REGEX_NONE
)
2785 store
.value_regex
= CONFIG_REGEX_NONE
;
2787 if (value_regex
[0] == '!') {
2788 store
.do_not_match
= 1;
2791 store
.do_not_match
= 0;
2793 store
.value_regex
= (regex_t
*)xmalloc(sizeof(regex_t
));
2794 if (regcomp(store
.value_regex
, value_regex
,
2796 error(_("invalid pattern: %s"), value_regex
);
2797 FREE_AND_NULL(store
.value_regex
);
2798 ret
= CONFIG_INVALID_PATTERN
;
2803 ALLOC_GROW(store
.parsed
, 1, store
.parsed_alloc
);
2804 store
.parsed
[0].end
= 0;
2806 memset(&opts
, 0, sizeof(opts
));
2807 opts
.event_fn
= store_aux_event
;
2808 opts
.event_fn_data
= &store
;
2811 * After this, store.parsed will contain offsets of all the
2812 * parsed elements, and store.seen will contain a list of
2813 * matches, as indices into store.parsed.
2815 * As a side effect, we make sure to transform only a valid
2816 * existing config file.
2818 if (git_config_from_file_with_options(store_aux
,
2821 error(_("invalid config file %s"), config_filename
);
2822 ret
= CONFIG_INVALID_FILE
;
2826 /* if nothing to unset, or too many matches, error out */
2827 if ((store
.seen_nr
== 0 && value
== NULL
) ||
2828 (store
.seen_nr
> 1 && multi_replace
== 0)) {
2829 ret
= CONFIG_NOTHING_SET
;
2833 if (fstat(in_fd
, &st
) == -1) {
2834 error_errno(_("fstat on %s failed"), config_filename
);
2835 ret
= CONFIG_INVALID_FILE
;
2839 contents_sz
= xsize_t(st
.st_size
);
2840 contents
= xmmap_gently(NULL
, contents_sz
, PROT_READ
,
2841 MAP_PRIVATE
, in_fd
, 0);
2842 if (contents
== MAP_FAILED
) {
2843 if (errno
== ENODEV
&& S_ISDIR(st
.st_mode
))
2845 error_errno(_("unable to mmap '%s'"), config_filename
);
2846 ret
= CONFIG_INVALID_FILE
;
2853 if (chmod(get_lock_file_path(&lock
), st
.st_mode
& 07777) < 0) {
2854 error_errno(_("chmod on %s failed"), get_lock_file_path(&lock
));
2855 ret
= CONFIG_NO_WRITE
;
2859 if (store
.seen_nr
== 0) {
2860 if (!store
.seen_alloc
) {
2861 /* Did not see key nor section */
2862 ALLOC_GROW(store
.seen
, 1, store
.seen_alloc
);
2863 store
.seen
[0] = store
.parsed_nr
2864 - !!store
.parsed_nr
;
2869 for (i
= 0, copy_begin
= 0; i
< store
.seen_nr
; i
++) {
2871 int j
= store
.seen
[i
];
2874 if (!store
.key_seen
) {
2875 copy_end
= store
.parsed
[j
].end
;
2876 /* include '\n' when copying section header */
2877 if (copy_end
> 0 && copy_end
< contents_sz
&&
2878 contents
[copy_end
- 1] != '\n' &&
2879 contents
[copy_end
] == '\n')
2881 replace_end
= copy_end
;
2883 replace_end
= store
.parsed
[j
].end
;
2884 copy_end
= store
.parsed
[j
].begin
;
2886 maybe_remove_section(&store
,
2890 * Swallow preceding white-space on the same
2893 while (copy_end
> 0 ) {
2894 char c
= contents
[copy_end
- 1];
2896 if (isspace(c
) && c
!= '\n')
2903 if (copy_end
> 0 && contents
[copy_end
-1] != '\n')
2906 /* write the first part of the config */
2907 if (copy_end
> copy_begin
) {
2908 if (write_in_full(fd
, contents
+ copy_begin
,
2909 copy_end
- copy_begin
) < 0)
2912 write_str_in_full(fd
, "\n") < 0)
2915 copy_begin
= replace_end
;
2918 /* write the pair (value == NULL means unset) */
2919 if (value
!= NULL
) {
2920 if (!store
.section_seen
) {
2921 if (write_section(fd
, key
, &store
) < 0)
2924 if (write_pair(fd
, key
, value
, &store
) < 0)
2928 /* write the rest of the config */
2929 if (copy_begin
< contents_sz
)
2930 if (write_in_full(fd
, contents
+ copy_begin
,
2931 contents_sz
- copy_begin
) < 0)
2934 munmap(contents
, contents_sz
);
2938 if (commit_lock_file(&lock
) < 0) {
2939 error_errno(_("could not write config file %s"), config_filename
);
2940 ret
= CONFIG_NO_WRITE
;
2946 /* Invalidate the config cache */
2950 rollback_lock_file(&lock
);
2953 munmap(contents
, contents_sz
);
2956 config_store_data_clear(&store
);
2960 ret
= write_error(get_lock_file_path(&lock
));
2965 void git_config_set_multivar_in_file(const char *config_filename
,
2966 const char *key
, const char *value
,
2967 const char *value_regex
, int multi_replace
)
2969 if (!git_config_set_multivar_in_file_gently(config_filename
, key
, value
,
2970 value_regex
, multi_replace
))
2973 die(_("could not set '%s' to '%s'"), key
, value
);
2975 die(_("could not unset '%s'"), key
);
2978 int git_config_set_multivar_gently(const char *key
, const char *value
,
2979 const char *value_regex
, int multi_replace
)
2981 return git_config_set_multivar_in_file_gently(NULL
, key
, value
, value_regex
,
2985 void git_config_set_multivar(const char *key
, const char *value
,
2986 const char *value_regex
, int multi_replace
)
2988 git_config_set_multivar_in_file(NULL
, key
, value
, value_regex
,
2992 static int section_name_match (const char *buf
, const char *name
)
2994 int i
= 0, j
= 0, dot
= 0;
2997 for (i
= 1; buf
[i
] && buf
[i
] != ']'; i
++) {
2998 if (!dot
&& isspace(buf
[i
])) {
3000 if (name
[j
++] != '.')
3002 for (i
++; isspace(buf
[i
]); i
++)
3008 if (buf
[i
] == '\\' && dot
)
3010 else if (buf
[i
] == '"' && dot
) {
3011 for (i
++; isspace(buf
[i
]); i
++)
3015 if (buf
[i
] != name
[j
++])
3018 if (buf
[i
] == ']' && name
[j
] == 0) {
3020 * We match, now just find the right length offset by
3021 * gobbling up any whitespace after it, as well
3024 for (; buf
[i
] && isspace(buf
[i
]); i
++)
3031 static int section_name_is_ok(const char *name
)
3033 /* Empty section names are bogus. */
3038 * Before a dot, we must be alphanumeric or dash. After the first dot,
3039 * anything goes, so we can stop checking.
3041 for (; *name
&& *name
!= '.'; name
++)
3042 if (*name
!= '-' && !isalnum(*name
))
3047 /* if new_name == NULL, the section is removed instead */
3048 static int git_config_copy_or_rename_section_in_file(const char *config_filename
,
3049 const char *old_name
,
3050 const char *new_name
, int copy
)
3052 int ret
= 0, remove
= 0;
3053 char *filename_buf
= NULL
;
3054 struct lock_file lock
= LOCK_INIT
;
3057 FILE *config_file
= NULL
;
3059 struct strbuf copystr
= STRBUF_INIT
;
3060 struct config_store_data store
;
3062 memset(&store
, 0, sizeof(store
));
3064 if (new_name
&& !section_name_is_ok(new_name
)) {
3065 ret
= error(_("invalid section name: %s"), new_name
);
3066 goto out_no_rollback
;
3069 if (!config_filename
)
3070 config_filename
= filename_buf
= git_pathdup("config");
3072 out_fd
= hold_lock_file_for_update(&lock
, config_filename
, 0);
3074 ret
= error(_("could not lock config file %s"), config_filename
);
3078 if (!(config_file
= fopen(config_filename
, "rb"))) {
3079 ret
= warn_on_fopen_errors(config_filename
);
3082 /* no config file means nothing to rename, no error */
3083 goto commit_and_out
;
3086 if (fstat(fileno(config_file
), &st
) == -1) {
3087 ret
= error_errno(_("fstat on %s failed"), config_filename
);
3091 if (chmod(get_lock_file_path(&lock
), st
.st_mode
& 07777) < 0) {
3092 ret
= error_errno(_("chmod on %s failed"),
3093 get_lock_file_path(&lock
));
3097 while (fgets(buf
, sizeof(buf
), config_file
)) {
3102 for (i
= 0; buf
[i
] && isspace(buf
[i
]); i
++)
3104 if (buf
[i
] == '[') {
3105 /* it's a section */
3110 * When encountering a new section under -c we
3111 * need to flush out any section we're already
3112 * coping and begin anew. There might be
3113 * multiple [branch "$name"] sections.
3115 if (copystr
.len
> 0) {
3116 if (write_in_full(out_fd
, copystr
.buf
, copystr
.len
) < 0) {
3117 ret
= write_error(get_lock_file_path(&lock
));
3120 strbuf_reset(©str
);
3123 offset
= section_name_match(&buf
[i
], old_name
);
3126 if (new_name
== NULL
) {
3130 store
.baselen
= strlen(new_name
);
3132 if (write_section(out_fd
, new_name
, &store
) < 0) {
3133 ret
= write_error(get_lock_file_path(&lock
));
3137 * We wrote out the new section, with
3138 * a newline, now skip the old
3141 output
+= offset
+ i
;
3142 if (strlen(output
) > 0) {
3144 * More content means there's
3145 * a declaration to put on the
3146 * next line; indent with a
3153 copystr
= store_create_section(new_name
, &store
);
3160 length
= strlen(output
);
3162 if (!is_section
&& copystr
.len
> 0) {
3163 strbuf_add(©str
, output
, length
);
3166 if (write_in_full(out_fd
, output
, length
) < 0) {
3167 ret
= write_error(get_lock_file_path(&lock
));
3173 * Copy a trailing section at the end of the config, won't be
3174 * flushed by the usual "flush because we have a new section
3175 * logic in the loop above.
3177 if (copystr
.len
> 0) {
3178 if (write_in_full(out_fd
, copystr
.buf
, copystr
.len
) < 0) {
3179 ret
= write_error(get_lock_file_path(&lock
));
3182 strbuf_reset(©str
);
3185 fclose(config_file
);
3188 if (commit_lock_file(&lock
) < 0)
3189 ret
= error_errno(_("could not write config file %s"),
3193 fclose(config_file
);
3194 rollback_lock_file(&lock
);
3197 config_store_data_clear(&store
);
3201 int git_config_rename_section_in_file(const char *config_filename
,
3202 const char *old_name
, const char *new_name
)
3204 return git_config_copy_or_rename_section_in_file(config_filename
,
3205 old_name
, new_name
, 0);
3208 int git_config_rename_section(const char *old_name
, const char *new_name
)
3210 return git_config_rename_section_in_file(NULL
, old_name
, new_name
);
3213 int git_config_copy_section_in_file(const char *config_filename
,
3214 const char *old_name
, const char *new_name
)
3216 return git_config_copy_or_rename_section_in_file(config_filename
,
3217 old_name
, new_name
, 1);
3220 int git_config_copy_section(const char *old_name
, const char *new_name
)
3222 return git_config_copy_section_in_file(NULL
, old_name
, new_name
);
3226 * Call this to report error for your variable that should not
3227 * get a boolean value (i.e. "[my] var" means "true").
3229 #undef config_error_nonbool
3230 int config_error_nonbool(const char *var
)
3232 return error(_("missing value for '%s'"), var
);
3235 int parse_config_key(const char *var
,
3236 const char *section
,
3237 const char **subsection
, int *subsection_len
,
3242 /* Does it start with "section." ? */
3243 if (!skip_prefix(var
, section
, &var
) || *var
!= '.')
3247 * Find the key; we don't know yet if we have a subsection, but we must
3248 * parse backwards from the end, since the subsection may have dots in
3251 dot
= strrchr(var
, '.');
3254 /* Did we have a subsection at all? */
3258 *subsection_len
= 0;
3264 *subsection
= var
+ 1;
3265 *subsection_len
= dot
- *subsection
;
3271 const char *current_config_origin_type(void)
3274 if (current_config_kvi
)
3275 type
= current_config_kvi
->origin_type
;
3277 type
= cf
->origin_type
;
3279 BUG("current_config_origin_type called outside config callback");
3282 case CONFIG_ORIGIN_BLOB
:
3284 case CONFIG_ORIGIN_FILE
:
3286 case CONFIG_ORIGIN_STDIN
:
3287 return "standard input";
3288 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
3289 return "submodule-blob";
3290 case CONFIG_ORIGIN_CMDLINE
:
3291 return "command line";
3293 BUG("unknown config origin type");
3297 const char *current_config_name(void)
3300 if (current_config_kvi
)
3301 name
= current_config_kvi
->filename
;
3305 BUG("current_config_name called outside config callback");
3306 return name
? name
: "";
3309 enum config_scope
current_config_scope(void)
3311 if (current_config_kvi
)
3312 return current_config_kvi
->scope
;
3314 return current_parsing_scope
;
3317 int lookup_config(const char **mapping
, int nr_mapping
, const char *var
)
3321 for (i
= 0; i
< nr_mapping
; i
++) {
3322 const char *name
= mapping
[i
];
3324 if (name
&& !strcasecmp(var
, name
))