2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Johannes Schindelin, 2005
14 #include "string-list.h"
18 struct config_source
{
19 struct config_source
*prev
;
28 enum config_origin_type origin_type
;
37 int (*do_fgetc
)(struct config_source
*c
);
38 int (*do_ungetc
)(int c
, struct config_source
*conf
);
39 long (*do_ftell
)(struct config_source
*c
);
43 * These variables record the "current" config source, which
44 * can be accessed by parsing callbacks.
46 * The "cf" variable will be non-NULL only when we are actually parsing a real
47 * config source (file, blob, cmdline, etc).
49 * The "current_config_kvi" variable will be non-NULL only when we are feeding
50 * cached config from a configset into a callback.
52 * They should generally never be non-NULL at the same time. If they are both
53 * NULL, then we aren't parsing anything (and depending on the function looking
54 * at the variables, it's either a bug for it to be called in the first place,
55 * or it's a function which can be reused for non-config purposes, and should
56 * fall back to some sane behavior).
58 static struct config_source
*cf
;
59 static struct key_value_info
*current_config_kvi
;
62 * Similar to the variables above, this gives access to the "scope" of the
63 * current value (repo, global, etc). For cached values, it can be found via
64 * the current_config_kvi as above. During parsing, the current value can be
65 * found in this variable. It's not part of "cf" because it transcends a single
66 * file (i.e., a file included from .git/config is still in "repo" scope).
68 static enum config_scope current_parsing_scope
;
70 static int core_compression_seen
;
71 static int pack_compression_seen
;
72 static int zlib_compression_seen
;
75 * Default config_set that contains key-value pairs from the usual set of config
76 * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG
77 * config file and the global /etc/gitconfig)
79 static struct config_set the_config_set
;
81 static int config_file_fgetc(struct config_source
*conf
)
83 return getc_unlocked(conf
->u
.file
);
86 static int config_file_ungetc(int c
, struct config_source
*conf
)
88 return ungetc(c
, conf
->u
.file
);
91 static long config_file_ftell(struct config_source
*conf
)
93 return ftell(conf
->u
.file
);
97 static int config_buf_fgetc(struct config_source
*conf
)
99 if (conf
->u
.buf
.pos
< conf
->u
.buf
.len
)
100 return conf
->u
.buf
.buf
[conf
->u
.buf
.pos
++];
105 static int config_buf_ungetc(int c
, struct config_source
*conf
)
107 if (conf
->u
.buf
.pos
> 0) {
109 if (conf
->u
.buf
.buf
[conf
->u
.buf
.pos
] != c
)
110 die("BUG: config_buf can only ungetc the same character");
117 static long config_buf_ftell(struct config_source
*conf
)
119 return conf
->u
.buf
.pos
;
122 #define MAX_INCLUDE_DEPTH 10
123 static const char include_depth_advice
[] =
124 "exceeded maximum include depth (%d) while including\n"
128 "Do you have circular includes?";
129 static int handle_path_include(const char *path
, struct config_include_data
*inc
)
132 struct strbuf buf
= STRBUF_INIT
;
136 return config_error_nonbool("include.path");
138 expanded
= expand_user_path(path
, 0);
140 return error("could not expand include path '%s'", path
);
144 * Use an absolute path as-is, but interpret relative paths
145 * based on the including config file.
147 if (!is_absolute_path(path
)) {
150 if (!cf
|| !cf
->path
)
151 return error("relative config includes must come from files");
153 slash
= find_last_dir_sep(cf
->path
);
155 strbuf_add(&buf
, cf
->path
, slash
- cf
->path
+ 1);
156 strbuf_addstr(&buf
, path
);
160 if (!access_or_die(path
, R_OK
, 0)) {
161 if (++inc
->depth
> MAX_INCLUDE_DEPTH
)
162 die(include_depth_advice
, MAX_INCLUDE_DEPTH
, path
,
164 cf
->name
? cf
->name
:
166 ret
= git_config_from_file(git_config_include
, path
, inc
);
169 strbuf_release(&buf
);
174 static int prepare_include_condition_pattern(struct strbuf
*pat
)
176 struct strbuf path
= STRBUF_INIT
;
180 expanded
= expand_user_path(pat
->buf
, 1);
183 strbuf_addstr(pat
, expanded
);
187 if (pat
->buf
[0] == '.' && is_dir_sep(pat
->buf
[1])) {
190 if (!cf
|| !cf
->path
)
191 return error(_("relative config include "
192 "conditionals must come from files"));
194 strbuf_realpath(&path
, cf
->path
, 1);
195 slash
= find_last_dir_sep(path
.buf
);
197 die("BUG: how is this possible?");
198 strbuf_splice(pat
, 0, 1, path
.buf
, slash
- path
.buf
);
199 prefix
= slash
- path
.buf
+ 1 /* slash */;
200 } else if (!is_absolute_path(pat
->buf
))
201 strbuf_insert(pat
, 0, "**/", 3);
203 if (pat
->len
&& is_dir_sep(pat
->buf
[pat
->len
- 1]))
204 strbuf_addstr(pat
, "**");
206 strbuf_release(&path
);
210 static int include_by_gitdir(const struct config_options
*opts
,
211 const char *cond
, size_t cond_len
, int icase
)
213 struct strbuf text
= STRBUF_INIT
;
214 struct strbuf pattern
= STRBUF_INIT
;
217 int already_tried_absolute
= 0;
220 git_dir
= opts
->git_dir
;
221 else if (have_git_dir())
222 git_dir
= get_git_dir();
226 strbuf_realpath(&text
, git_dir
, 1);
227 strbuf_add(&pattern
, cond
, cond_len
);
228 prefix
= prepare_include_condition_pattern(&pattern
);
236 * perform literal matching on the prefix part so that
237 * any wildcard character in it can't create side effects.
239 if (text
.len
< prefix
)
241 if (!icase
&& strncmp(pattern
.buf
, text
.buf
, prefix
))
243 if (icase
&& strncasecmp(pattern
.buf
, text
.buf
, prefix
))
247 ret
= !wildmatch(pattern
.buf
+ prefix
, text
.buf
+ prefix
,
248 icase
? WM_CASEFOLD
: 0, NULL
);
250 if (!ret
&& !already_tried_absolute
) {
252 * We've tried e.g. matching gitdir:~/work, but if
253 * ~/work is a symlink to /mnt/storage/work
254 * strbuf_realpath() will expand it, so the rule won't
255 * match. Let's match against a
256 * strbuf_add_absolute_path() version of the path,
257 * which'll do the right thing
260 strbuf_add_absolute_path(&text
, git_dir
);
261 already_tried_absolute
= 1;
265 strbuf_release(&pattern
);
266 strbuf_release(&text
);
270 static int include_condition_is_true(const struct config_options
*opts
,
271 const char *cond
, size_t cond_len
)
274 if (skip_prefix_mem(cond
, cond_len
, "gitdir:", &cond
, &cond_len
))
275 return include_by_gitdir(opts
, cond
, cond_len
, 0);
276 else if (skip_prefix_mem(cond
, cond_len
, "gitdir/i:", &cond
, &cond_len
))
277 return include_by_gitdir(opts
, cond
, cond_len
, 1);
279 /* unknown conditionals are always false */
283 int git_config_include(const char *var
, const char *value
, void *data
)
285 struct config_include_data
*inc
= data
;
286 const char *cond
, *key
;
291 * Pass along all values, including "include" directives; this makes it
292 * possible to query information on the includes themselves.
294 ret
= inc
->fn(var
, value
, inc
->data
);
298 if (!strcmp(var
, "include.path"))
299 ret
= handle_path_include(value
, inc
);
301 if (!parse_config_key(var
, "includeif", &cond
, &cond_len
, &key
) &&
302 (cond
&& include_condition_is_true(inc
->opts
, cond
, cond_len
)) &&
303 !strcmp(key
, "path"))
304 ret
= handle_path_include(value
, inc
);
309 void git_config_push_parameter(const char *text
)
311 struct strbuf env
= STRBUF_INIT
;
312 const char *old
= getenv(CONFIG_DATA_ENVIRONMENT
);
314 strbuf_addstr(&env
, old
);
315 strbuf_addch(&env
, ' ');
317 sq_quote_buf(&env
, text
);
318 setenv(CONFIG_DATA_ENVIRONMENT
, env
.buf
, 1);
319 strbuf_release(&env
);
322 static inline int iskeychar(int c
)
324 return isalnum(c
) || c
== '-';
328 * Auxiliary function to sanity-check and split the key into the section
329 * identifier and variable name.
331 * Returns 0 on success, -1 when there is an invalid character in the key and
332 * -2 if there is no section name in the key.
334 * store_key - pointer to char* which will hold a copy of the key with
335 * lowercase section and variable name
336 * baselen - pointer to int which will hold the length of the
337 * section + subsection part, can be NULL
339 static int git_config_parse_key_1(const char *key
, char **store_key
, int *baselen_
, int quiet
)
342 const char *last_dot
= strrchr(key
, '.');
345 * Since "key" actually contains the section name and the real
346 * key name separated by a dot, we have to know where the dot is.
349 if (last_dot
== NULL
|| last_dot
== key
) {
351 error("key does not contain a section: %s", key
);
352 return -CONFIG_NO_SECTION_OR_NAME
;
357 error("key does not contain variable name: %s", key
);
358 return -CONFIG_NO_SECTION_OR_NAME
;
361 baselen
= last_dot
- key
;
366 * Validate the key and while at it, lower case it for matching.
369 *store_key
= xmallocz(strlen(key
));
372 for (i
= 0; key
[i
]; i
++) {
373 unsigned char c
= key
[i
];
376 /* Leave the extended basename untouched.. */
377 if (!dot
|| i
> baselen
) {
379 (i
== baselen
+ 1 && !isalpha(c
))) {
381 error("invalid key: %s", key
);
385 } else if (c
== '\n') {
387 error("invalid key (newline): %s", key
);
401 return -CONFIG_INVALID_KEY
;
404 int git_config_parse_key(const char *key
, char **store_key
, int *baselen
)
406 return git_config_parse_key_1(key
, store_key
, baselen
, 0);
409 int git_config_key_is_valid(const char *key
)
411 return !git_config_parse_key_1(key
, NULL
, NULL
, 1);
414 int git_config_parse_parameter(const char *text
,
415 config_fn_t fn
, void *data
)
418 char *canonical_name
;
419 struct strbuf
**pair
;
422 pair
= strbuf_split_str(text
, '=', 2);
424 return error("bogus config parameter: %s", text
);
426 if (pair
[0]->len
&& pair
[0]->buf
[pair
[0]->len
- 1] == '=') {
427 strbuf_setlen(pair
[0], pair
[0]->len
- 1);
428 value
= pair
[1] ? pair
[1]->buf
: "";
433 strbuf_trim(pair
[0]);
435 strbuf_list_free(pair
);
436 return error("bogus config parameter: %s", text
);
439 if (git_config_parse_key(pair
[0]->buf
, &canonical_name
, NULL
)) {
442 ret
= (fn(canonical_name
, value
, data
) < 0) ? -1 : 0;
443 free(canonical_name
);
445 strbuf_list_free(pair
);
449 int git_config_from_parameters(config_fn_t fn
, void *data
)
451 const char *env
= getenv(CONFIG_DATA_ENVIRONMENT
);
454 const char **argv
= NULL
;
455 int nr
= 0, alloc
= 0;
457 struct config_source source
;
462 memset(&source
, 0, sizeof(source
));
464 source
.origin_type
= CONFIG_ORIGIN_CMDLINE
;
467 /* sq_dequote will write over it */
470 if (sq_dequote_to_argv(envw
, &argv
, &nr
, &alloc
) < 0) {
471 ret
= error("bogus format in " CONFIG_DATA_ENVIRONMENT
);
475 for (i
= 0; i
< nr
; i
++) {
476 if (git_config_parse_parameter(argv
[i
], fn
, data
) < 0) {
489 static int get_next_char(void)
491 int c
= cf
->do_fgetc(cf
);
494 /* DOS like systems */
495 c
= cf
->do_fgetc(cf
);
498 cf
->do_ungetc(c
, cf
);
512 static char *parse_value(void)
514 int quote
= 0, comment
= 0, space
= 0;
516 strbuf_reset(&cf
->value
);
518 int c
= get_next_char();
524 return cf
->value
.buf
;
528 if (isspace(c
) && !quote
) {
534 if (c
== ';' || c
== '#') {
539 for (; space
; space
--)
540 strbuf_addch(&cf
->value
, ' ');
555 /* Some characters escape as themselves */
558 /* Reject unknown escape sequences */
562 strbuf_addch(&cf
->value
, c
);
569 strbuf_addch(&cf
->value
, c
);
573 static int get_value(config_fn_t fn
, void *data
, struct strbuf
*name
)
579 /* Get the full name */
586 strbuf_addch(name
, tolower(c
));
589 while (c
== ' ' || c
== '\t')
596 value
= parse_value();
601 * We already consumed the \n, but we need linenr to point to
602 * the line we just parsed during the call to fn to get
603 * accurate line number in error messages.
606 ret
= fn(name
->buf
, value
, data
);
612 static int get_extended_base_var(struct strbuf
*name
, int c
)
616 goto error_incomplete_line
;
618 } while (isspace(c
));
620 /* We require the format to be '[base "extension"]' */
623 strbuf_addch(name
, '.');
626 int c
= get_next_char();
628 goto error_incomplete_line
;
634 goto error_incomplete_line
;
636 strbuf_addch(name
, c
);
640 if (get_next_char() != ']')
643 error_incomplete_line
:
648 static int get_base_var(struct strbuf
*name
)
651 int c
= get_next_char();
657 return get_extended_base_var(name
, c
);
658 if (!iskeychar(c
) && c
!= '.')
660 strbuf_addch(name
, tolower(c
));
664 static int git_parse_source(config_fn_t fn
, void *data
)
668 struct strbuf
*var
= &cf
->var
;
669 int error_return
= 0;
670 char *error_msg
= NULL
;
672 /* U+FEFF Byte Order Mark in UTF8 */
673 const char *bomptr
= utf8_bom
;
676 int c
= get_next_char();
677 if (bomptr
&& *bomptr
) {
678 /* We are at the file beginning; skip UTF8-encoded BOM
679 * if present. Sane editors won't put this in on their
680 * own, but e.g. Windows Notepad will do it happily. */
681 if (c
== (*bomptr
& 0377)) {
685 /* Do not tolerate partial BOM. */
686 if (bomptr
!= utf8_bom
)
688 /* No BOM at file beginning. Cool. */
698 if (comment
|| isspace(c
))
700 if (c
== '#' || c
== ';') {
705 /* Reset prior to determining a new stem */
707 if (get_base_var(var
) < 0 || var
->len
< 1)
709 strbuf_addch(var
, '.');
716 * Truncate the var name back to the section header
717 * stem prior to grabbing the suffix part of the name
720 strbuf_setlen(var
, baselen
);
721 strbuf_addch(var
, tolower(c
));
722 if (get_value(fn
, data
, var
) < 0)
726 switch (cf
->origin_type
) {
727 case CONFIG_ORIGIN_BLOB
:
728 error_msg
= xstrfmt(_("bad config line %d in blob %s"),
729 cf
->linenr
, cf
->name
);
731 case CONFIG_ORIGIN_FILE
:
732 error_msg
= xstrfmt(_("bad config line %d in file %s"),
733 cf
->linenr
, cf
->name
);
735 case CONFIG_ORIGIN_STDIN
:
736 error_msg
= xstrfmt(_("bad config line %d in standard input"),
739 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
740 error_msg
= xstrfmt(_("bad config line %d in submodule-blob %s"),
741 cf
->linenr
, cf
->name
);
743 case CONFIG_ORIGIN_CMDLINE
:
744 error_msg
= xstrfmt(_("bad config line %d in command line %s"),
745 cf
->linenr
, cf
->name
);
748 error_msg
= xstrfmt(_("bad config line %d in %s"),
749 cf
->linenr
, cf
->name
);
752 if (cf
->die_on_error
)
753 die("%s", error_msg
);
755 error_return
= error("%s", error_msg
);
761 static int parse_unit_factor(const char *end
, uintmax_t *val
)
765 else if (!strcasecmp(end
, "k")) {
769 else if (!strcasecmp(end
, "m")) {
773 else if (!strcasecmp(end
, "g")) {
774 *val
*= 1024 * 1024 * 1024;
780 static int git_parse_signed(const char *value
, intmax_t *ret
, intmax_t max
)
782 if (value
&& *value
) {
786 uintmax_t factor
= 1;
789 val
= strtoimax(value
, &end
, 0);
792 if (!parse_unit_factor(end
, &factor
)) {
798 if (uval
> max
|| labs(val
) > uval
) {
810 static int git_parse_unsigned(const char *value
, uintmax_t *ret
, uintmax_t max
)
812 if (value
&& *value
) {
818 val
= strtoumax(value
, &end
, 0);
822 if (!parse_unit_factor(end
, &val
)) {
826 if (val
> max
|| oldval
> val
) {
837 static int git_parse_int(const char *value
, int *ret
)
840 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int)))
846 static int git_parse_int64(const char *value
, int64_t *ret
)
849 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int64_t)))
855 int git_parse_ulong(const char *value
, unsigned long *ret
)
858 if (!git_parse_unsigned(value
, &tmp
, maximum_unsigned_value_of_type(long)))
864 static int git_parse_ssize_t(const char *value
, ssize_t
*ret
)
867 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(ssize_t
)))
874 static void die_bad_number(const char *name
, const char *value
)
876 const char * error_type
= (errno
== ERANGE
)? _("out of range"):_("invalid unit");
881 if (!(cf
&& cf
->name
))
882 die(_("bad numeric config value '%s' for '%s': %s"),
883 value
, name
, error_type
);
885 switch (cf
->origin_type
) {
886 case CONFIG_ORIGIN_BLOB
:
887 die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
888 value
, name
, cf
->name
, error_type
);
889 case CONFIG_ORIGIN_FILE
:
890 die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
891 value
, name
, cf
->name
, error_type
);
892 case CONFIG_ORIGIN_STDIN
:
893 die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
894 value
, name
, error_type
);
895 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
896 die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
897 value
, name
, cf
->name
, error_type
);
898 case CONFIG_ORIGIN_CMDLINE
:
899 die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
900 value
, name
, cf
->name
, error_type
);
902 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
903 value
, name
, cf
->name
, error_type
);
907 int git_config_int(const char *name
, const char *value
)
910 if (!git_parse_int(value
, &ret
))
911 die_bad_number(name
, value
);
915 int64_t git_config_int64(const char *name
, const char *value
)
918 if (!git_parse_int64(value
, &ret
))
919 die_bad_number(name
, value
);
923 unsigned long git_config_ulong(const char *name
, const char *value
)
926 if (!git_parse_ulong(value
, &ret
))
927 die_bad_number(name
, value
);
931 ssize_t
git_config_ssize_t(const char *name
, const char *value
)
934 if (!git_parse_ssize_t(value
, &ret
))
935 die_bad_number(name
, value
);
939 int git_parse_maybe_bool(const char *value
)
945 if (!strcasecmp(value
, "true")
946 || !strcasecmp(value
, "yes")
947 || !strcasecmp(value
, "on"))
949 if (!strcasecmp(value
, "false")
950 || !strcasecmp(value
, "no")
951 || !strcasecmp(value
, "off"))
956 int git_config_maybe_bool(const char *name
, const char *value
)
958 int v
= git_parse_maybe_bool(value
);
961 if (git_parse_int(value
, &v
))
966 int git_config_bool_or_int(const char *name
, const char *value
, int *is_bool
)
968 int v
= git_parse_maybe_bool(value
);
974 return git_config_int(name
, value
);
977 int git_config_bool(const char *name
, const char *value
)
980 return !!git_config_bool_or_int(name
, value
, &discard
);
983 int git_config_string(const char **dest
, const char *var
, const char *value
)
986 return config_error_nonbool(var
);
987 *dest
= xstrdup(value
);
991 int git_config_pathname(const char **dest
, const char *var
, const char *value
)
994 return config_error_nonbool(var
);
995 *dest
= expand_user_path(value
, 0);
997 die(_("failed to expand user dir in: '%s'"), value
);
1001 static int git_default_core_config(const char *var
, const char *value
)
1003 /* This needs a better name */
1004 if (!strcmp(var
, "core.filemode")) {
1005 trust_executable_bit
= git_config_bool(var
, value
);
1008 if (!strcmp(var
, "core.trustctime")) {
1009 trust_ctime
= git_config_bool(var
, value
);
1012 if (!strcmp(var
, "core.checkstat")) {
1013 if (!strcasecmp(value
, "default"))
1015 else if (!strcasecmp(value
, "minimal"))
1019 if (!strcmp(var
, "core.quotepath")) {
1020 quote_path_fully
= git_config_bool(var
, value
);
1024 if (!strcmp(var
, "core.symlinks")) {
1025 has_symlinks
= git_config_bool(var
, value
);
1029 if (!strcmp(var
, "core.ignorecase")) {
1030 ignore_case
= git_config_bool(var
, value
);
1034 if (!strcmp(var
, "core.attributesfile"))
1035 return git_config_pathname(&git_attributes_file
, var
, value
);
1037 if (!strcmp(var
, "core.hookspath"))
1038 return git_config_pathname(&git_hooks_path
, var
, value
);
1040 if (!strcmp(var
, "core.bare")) {
1041 is_bare_repository_cfg
= git_config_bool(var
, value
);
1045 if (!strcmp(var
, "core.ignorestat")) {
1046 assume_unchanged
= git_config_bool(var
, value
);
1050 if (!strcmp(var
, "core.prefersymlinkrefs")) {
1051 prefer_symlink_refs
= git_config_bool(var
, value
);
1055 if (!strcmp(var
, "core.logallrefupdates")) {
1056 if (value
&& !strcasecmp(value
, "always"))
1057 log_all_ref_updates
= LOG_REFS_ALWAYS
;
1058 else if (git_config_bool(var
, value
))
1059 log_all_ref_updates
= LOG_REFS_NORMAL
;
1061 log_all_ref_updates
= LOG_REFS_NONE
;
1065 if (!strcmp(var
, "core.warnambiguousrefs")) {
1066 warn_ambiguous_refs
= git_config_bool(var
, value
);
1070 if (!strcmp(var
, "core.abbrev")) {
1072 return config_error_nonbool(var
);
1073 if (!strcasecmp(value
, "auto"))
1074 default_abbrev
= -1;
1076 int abbrev
= git_config_int(var
, value
);
1077 if (abbrev
< minimum_abbrev
|| abbrev
> 40)
1078 return error("abbrev length out of range: %d", abbrev
);
1079 default_abbrev
= abbrev
;
1084 if (!strcmp(var
, "core.disambiguate"))
1085 return set_disambiguate_hint_config(var
, value
);
1087 if (!strcmp(var
, "core.loosecompression")) {
1088 int level
= git_config_int(var
, value
);
1090 level
= Z_DEFAULT_COMPRESSION
;
1091 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1092 die(_("bad zlib compression level %d"), level
);
1093 zlib_compression_level
= level
;
1094 zlib_compression_seen
= 1;
1098 if (!strcmp(var
, "core.compression")) {
1099 int level
= git_config_int(var
, value
);
1101 level
= Z_DEFAULT_COMPRESSION
;
1102 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1103 die(_("bad zlib compression level %d"), level
);
1104 core_compression_level
= level
;
1105 core_compression_seen
= 1;
1106 if (!zlib_compression_seen
)
1107 zlib_compression_level
= level
;
1108 if (!pack_compression_seen
)
1109 pack_compression_level
= level
;
1113 if (!strcmp(var
, "core.packedgitwindowsize")) {
1114 int pgsz_x2
= getpagesize() * 2;
1115 packed_git_window_size
= git_config_ulong(var
, value
);
1117 /* This value must be multiple of (pagesize * 2) */
1118 packed_git_window_size
/= pgsz_x2
;
1119 if (packed_git_window_size
< 1)
1120 packed_git_window_size
= 1;
1121 packed_git_window_size
*= pgsz_x2
;
1125 if (!strcmp(var
, "core.bigfilethreshold")) {
1126 big_file_threshold
= git_config_ulong(var
, value
);
1130 if (!strcmp(var
, "core.packedgitlimit")) {
1131 packed_git_limit
= git_config_ulong(var
, value
);
1135 if (!strcmp(var
, "core.deltabasecachelimit")) {
1136 delta_base_cache_limit
= git_config_ulong(var
, value
);
1140 if (!strcmp(var
, "core.autocrlf")) {
1141 if (value
&& !strcasecmp(value
, "input")) {
1142 auto_crlf
= AUTO_CRLF_INPUT
;
1145 auto_crlf
= git_config_bool(var
, value
);
1149 if (!strcmp(var
, "core.safecrlf")) {
1150 if (value
&& !strcasecmp(value
, "warn")) {
1151 safe_crlf
= SAFE_CRLF_WARN
;
1154 safe_crlf
= git_config_bool(var
, value
);
1158 if (!strcmp(var
, "core.eol")) {
1159 if (value
&& !strcasecmp(value
, "lf"))
1161 else if (value
&& !strcasecmp(value
, "crlf"))
1162 core_eol
= EOL_CRLF
;
1163 else if (value
&& !strcasecmp(value
, "native"))
1164 core_eol
= EOL_NATIVE
;
1166 core_eol
= EOL_UNSET
;
1170 if (!strcmp(var
, "core.notesref")) {
1171 notes_ref_name
= xstrdup(value
);
1175 if (!strcmp(var
, "core.editor"))
1176 return git_config_string(&editor_program
, var
, value
);
1178 if (!strcmp(var
, "core.commentchar")) {
1180 return config_error_nonbool(var
);
1181 else if (!strcasecmp(value
, "auto"))
1182 auto_comment_line_char
= 1;
1183 else if (value
[0] && !value
[1]) {
1184 comment_line_char
= value
[0];
1185 auto_comment_line_char
= 0;
1187 return error("core.commentChar should only be one character");
1191 if (!strcmp(var
, "core.askpass"))
1192 return git_config_string(&askpass_program
, var
, value
);
1194 if (!strcmp(var
, "core.excludesfile"))
1195 return git_config_pathname(&excludes_file
, var
, value
);
1197 if (!strcmp(var
, "core.whitespace")) {
1199 return config_error_nonbool(var
);
1200 whitespace_rule_cfg
= parse_whitespace_rule(value
);
1204 if (!strcmp(var
, "core.fsyncobjectfiles")) {
1205 fsync_object_files
= git_config_bool(var
, value
);
1209 if (!strcmp(var
, "core.preloadindex")) {
1210 core_preload_index
= git_config_bool(var
, value
);
1214 if (!strcmp(var
, "core.createobject")) {
1215 if (!strcmp(value
, "rename"))
1216 object_creation_mode
= OBJECT_CREATION_USES_RENAMES
;
1217 else if (!strcmp(value
, "link"))
1218 object_creation_mode
= OBJECT_CREATION_USES_HARDLINKS
;
1220 die(_("invalid mode for object creation: %s"), value
);
1224 if (!strcmp(var
, "core.sparsecheckout")) {
1225 core_apply_sparse_checkout
= git_config_bool(var
, value
);
1229 if (!strcmp(var
, "core.precomposeunicode")) {
1230 precomposed_unicode
= git_config_bool(var
, value
);
1234 if (!strcmp(var
, "core.protecthfs")) {
1235 protect_hfs
= git_config_bool(var
, value
);
1239 if (!strcmp(var
, "core.protectntfs")) {
1240 protect_ntfs
= git_config_bool(var
, value
);
1244 if (!strcmp(var
, "core.hidedotfiles")) {
1245 if (value
&& !strcasecmp(value
, "dotgitonly"))
1246 hide_dotfiles
= HIDE_DOTFILES_DOTGITONLY
;
1248 hide_dotfiles
= git_config_bool(var
, value
);
1252 /* Add other config variables here and to Documentation/config.txt. */
1256 static int git_default_i18n_config(const char *var
, const char *value
)
1258 if (!strcmp(var
, "i18n.commitencoding"))
1259 return git_config_string(&git_commit_encoding
, var
, value
);
1261 if (!strcmp(var
, "i18n.logoutputencoding"))
1262 return git_config_string(&git_log_output_encoding
, var
, value
);
1264 /* Add other config variables here and to Documentation/config.txt. */
1268 static int git_default_branch_config(const char *var
, const char *value
)
1270 if (!strcmp(var
, "branch.autosetupmerge")) {
1271 if (value
&& !strcasecmp(value
, "always")) {
1272 git_branch_track
= BRANCH_TRACK_ALWAYS
;
1275 git_branch_track
= git_config_bool(var
, value
);
1278 if (!strcmp(var
, "branch.autosetuprebase")) {
1280 return config_error_nonbool(var
);
1281 else if (!strcmp(value
, "never"))
1282 autorebase
= AUTOREBASE_NEVER
;
1283 else if (!strcmp(value
, "local"))
1284 autorebase
= AUTOREBASE_LOCAL
;
1285 else if (!strcmp(value
, "remote"))
1286 autorebase
= AUTOREBASE_REMOTE
;
1287 else if (!strcmp(value
, "always"))
1288 autorebase
= AUTOREBASE_ALWAYS
;
1290 return error("malformed value for %s", var
);
1294 /* Add other config variables here and to Documentation/config.txt. */
1298 static int git_default_push_config(const char *var
, const char *value
)
1300 if (!strcmp(var
, "push.default")) {
1302 return config_error_nonbool(var
);
1303 else if (!strcmp(value
, "nothing"))
1304 push_default
= PUSH_DEFAULT_NOTHING
;
1305 else if (!strcmp(value
, "matching"))
1306 push_default
= PUSH_DEFAULT_MATCHING
;
1307 else if (!strcmp(value
, "simple"))
1308 push_default
= PUSH_DEFAULT_SIMPLE
;
1309 else if (!strcmp(value
, "upstream"))
1310 push_default
= PUSH_DEFAULT_UPSTREAM
;
1311 else if (!strcmp(value
, "tracking")) /* deprecated */
1312 push_default
= PUSH_DEFAULT_UPSTREAM
;
1313 else if (!strcmp(value
, "current"))
1314 push_default
= PUSH_DEFAULT_CURRENT
;
1316 error("malformed value for %s: %s", var
, value
);
1317 return error("Must be one of nothing, matching, simple, "
1318 "upstream or current.");
1323 /* Add other config variables here and to Documentation/config.txt. */
1327 static int git_default_mailmap_config(const char *var
, const char *value
)
1329 if (!strcmp(var
, "mailmap.file"))
1330 return git_config_pathname(&git_mailmap_file
, var
, value
);
1331 if (!strcmp(var
, "mailmap.blob"))
1332 return git_config_string(&git_mailmap_blob
, var
, value
);
1334 /* Add other config variables here and to Documentation/config.txt. */
1338 int git_default_config(const char *var
, const char *value
, void *dummy
)
1340 if (starts_with(var
, "core."))
1341 return git_default_core_config(var
, value
);
1343 if (starts_with(var
, "user."))
1344 return git_ident_config(var
, value
, dummy
);
1346 if (starts_with(var
, "i18n."))
1347 return git_default_i18n_config(var
, value
);
1349 if (starts_with(var
, "branch."))
1350 return git_default_branch_config(var
, value
);
1352 if (starts_with(var
, "push."))
1353 return git_default_push_config(var
, value
);
1355 if (starts_with(var
, "mailmap."))
1356 return git_default_mailmap_config(var
, value
);
1358 if (starts_with(var
, "advice."))
1359 return git_default_advice_config(var
, value
);
1361 if (!strcmp(var
, "pager.color") || !strcmp(var
, "color.pager")) {
1362 pager_use_color
= git_config_bool(var
,value
);
1366 if (!strcmp(var
, "pack.packsizelimit")) {
1367 pack_size_limit_cfg
= git_config_ulong(var
, value
);
1371 if (!strcmp(var
, "pack.compression")) {
1372 int level
= git_config_int(var
, value
);
1374 level
= Z_DEFAULT_COMPRESSION
;
1375 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1376 die(_("bad pack compression level %d"), level
);
1377 pack_compression_level
= level
;
1378 pack_compression_seen
= 1;
1382 /* Add other config variables here and to Documentation/config.txt. */
1387 * All source specific fields in the union, die_on_error, name and the callbacks
1388 * fgetc, ungetc, ftell of top need to be initialized before calling
1391 static int do_config_from(struct config_source
*top
, config_fn_t fn
, void *data
)
1395 /* push config-file parsing state stack */
1399 strbuf_init(&top
->value
, 1024);
1400 strbuf_init(&top
->var
, 1024);
1403 ret
= git_parse_source(fn
, data
);
1405 /* pop config-file parsing state stack */
1406 strbuf_release(&top
->value
);
1407 strbuf_release(&top
->var
);
1413 static int do_config_from_file(config_fn_t fn
,
1414 const enum config_origin_type origin_type
,
1415 const char *name
, const char *path
, FILE *f
,
1418 struct config_source top
;
1421 top
.origin_type
= origin_type
;
1424 top
.die_on_error
= 1;
1425 top
.do_fgetc
= config_file_fgetc
;
1426 top
.do_ungetc
= config_file_ungetc
;
1427 top
.do_ftell
= config_file_ftell
;
1429 return do_config_from(&top
, fn
, data
);
1432 static int git_config_from_stdin(config_fn_t fn
, void *data
)
1434 return do_config_from_file(fn
, CONFIG_ORIGIN_STDIN
, "", NULL
, stdin
, data
);
1437 int git_config_from_file(config_fn_t fn
, const char *filename
, void *data
)
1442 f
= fopen_or_warn(filename
, "r");
1445 ret
= do_config_from_file(fn
, CONFIG_ORIGIN_FILE
, filename
, filename
, f
, data
);
1452 int git_config_from_mem(config_fn_t fn
, const enum config_origin_type origin_type
,
1453 const char *name
, const char *buf
, size_t len
, void *data
)
1455 struct config_source top
;
1457 top
.u
.buf
.buf
= buf
;
1458 top
.u
.buf
.len
= len
;
1460 top
.origin_type
= origin_type
;
1463 top
.die_on_error
= 0;
1464 top
.do_fgetc
= config_buf_fgetc
;
1465 top
.do_ungetc
= config_buf_ungetc
;
1466 top
.do_ftell
= config_buf_ftell
;
1468 return do_config_from(&top
, fn
, data
);
1471 int git_config_from_blob_sha1(config_fn_t fn
,
1473 const unsigned char *sha1
,
1476 enum object_type type
;
1481 buf
= read_sha1_file(sha1
, &type
, &size
);
1483 return error("unable to load config blob object '%s'", name
);
1484 if (type
!= OBJ_BLOB
) {
1486 return error("reference '%s' does not point to a blob", name
);
1489 ret
= git_config_from_mem(fn
, CONFIG_ORIGIN_BLOB
, name
, buf
, size
, data
);
1495 static int git_config_from_blob_ref(config_fn_t fn
,
1499 unsigned char sha1
[20];
1501 if (get_sha1(name
, sha1
) < 0)
1502 return error("unable to resolve config blob '%s'", name
);
1503 return git_config_from_blob_sha1(fn
, name
, sha1
, data
);
1506 const char *git_etc_gitconfig(void)
1508 static const char *system_wide
;
1510 system_wide
= system_path(ETC_GITCONFIG
);
1515 * Parse environment variable 'k' as a boolean (in various
1516 * possible spellings); if missing, use the default value 'def'.
1518 int git_env_bool(const char *k
, int def
)
1520 const char *v
= getenv(k
);
1521 return v
? git_config_bool(k
, v
) : def
;
1525 * Parse environment variable 'k' as ulong with possibly a unit
1526 * suffix; if missing, use the default value 'val'.
1528 unsigned long git_env_ulong(const char *k
, unsigned long val
)
1530 const char *v
= getenv(k
);
1531 if (v
&& !git_parse_ulong(v
, &val
))
1532 die("failed to parse %s", k
);
1536 int git_config_system(void)
1538 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
1541 static int do_git_config_sequence(const struct config_options
*opts
,
1542 config_fn_t fn
, void *data
)
1545 char *xdg_config
= xdg_config_home("config");
1546 char *user_config
= expand_user_path("~/.gitconfig", 0);
1550 repo_config
= mkpathdup("%s/config", opts
->git_dir
);
1551 else if (have_git_dir())
1552 repo_config
= git_pathdup("config");
1556 current_parsing_scope
= CONFIG_SCOPE_SYSTEM
;
1557 if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK
, 0))
1558 ret
+= git_config_from_file(fn
, git_etc_gitconfig(),
1561 current_parsing_scope
= CONFIG_SCOPE_GLOBAL
;
1562 if (xdg_config
&& !access_or_die(xdg_config
, R_OK
, ACCESS_EACCES_OK
))
1563 ret
+= git_config_from_file(fn
, xdg_config
, data
);
1565 if (user_config
&& !access_or_die(user_config
, R_OK
, ACCESS_EACCES_OK
))
1566 ret
+= git_config_from_file(fn
, user_config
, data
);
1568 current_parsing_scope
= CONFIG_SCOPE_REPO
;
1569 if (repo_config
&& !access_or_die(repo_config
, R_OK
, 0))
1570 ret
+= git_config_from_file(fn
, repo_config
, data
);
1572 current_parsing_scope
= CONFIG_SCOPE_CMDLINE
;
1573 if (git_config_from_parameters(fn
, data
) < 0)
1574 die(_("unable to parse command-line config"));
1576 current_parsing_scope
= CONFIG_SCOPE_UNKNOWN
;
1583 int git_config_with_options(config_fn_t fn
, void *data
,
1584 struct git_config_source
*config_source
,
1585 const struct config_options
*opts
)
1587 struct config_include_data inc
= CONFIG_INCLUDE_INIT
;
1589 if (opts
->respect_includes
) {
1593 fn
= git_config_include
;
1598 * If we have a specific filename, use it. Otherwise, follow the
1599 * regular lookup sequence.
1601 if (config_source
&& config_source
->use_stdin
)
1602 return git_config_from_stdin(fn
, data
);
1603 else if (config_source
&& config_source
->file
)
1604 return git_config_from_file(fn
, config_source
->file
, data
);
1605 else if (config_source
&& config_source
->blob
)
1606 return git_config_from_blob_ref(fn
, config_source
->blob
, data
);
1608 return do_git_config_sequence(opts
, fn
, data
);
1611 static void git_config_raw(config_fn_t fn
, void *data
)
1613 struct config_options opts
= {0};
1615 opts
.respect_includes
= 1;
1616 if (git_config_with_options(fn
, data
, NULL
, &opts
) < 0)
1618 * git_config_with_options() normally returns only
1619 * zero, as most errors are fatal, and
1620 * non-fatal potential errors are guarded by "if"
1621 * statements that are entered only when no error is
1624 * If we ever encounter a non-fatal error, it means
1625 * something went really wrong and we should stop
1628 die(_("unknown error occurred while reading the configuration files"));
1631 static void configset_iter(struct config_set
*cs
, config_fn_t fn
, void *data
)
1634 struct string_list
*values
;
1635 struct config_set_element
*entry
;
1636 struct configset_list
*list
= &cs
->list
;
1638 for (i
= 0; i
< list
->nr
; i
++) {
1639 entry
= list
->items
[i
].e
;
1640 value_index
= list
->items
[i
].value_index
;
1641 values
= &entry
->value_list
;
1643 current_config_kvi
= values
->items
[value_index
].util
;
1645 if (fn(entry
->key
, values
->items
[value_index
].string
, data
) < 0)
1646 git_die_config_linenr(entry
->key
,
1647 current_config_kvi
->filename
,
1648 current_config_kvi
->linenr
);
1650 current_config_kvi
= NULL
;
1654 void read_early_config(config_fn_t cb
, void *data
)
1656 struct config_options opts
= {0};
1657 struct strbuf buf
= STRBUF_INIT
;
1659 opts
.respect_includes
= 1;
1662 opts
.git_dir
= get_git_dir();
1664 * When setup_git_directory() was not yet asked to discover the
1665 * GIT_DIR, we ask discover_git_directory() to figure out whether there
1666 * is any repository config we should use (but unlike
1667 * setup_git_directory_gently(), no global state is changed, most
1668 * notably, the current working directory is still the same after the
1671 else if (discover_git_directory(&buf
))
1672 opts
.git_dir
= buf
.buf
;
1674 git_config_with_options(cb
, data
, NULL
, &opts
);
1676 strbuf_release(&buf
);
1679 static void git_config_check_init(void);
1681 void git_config(config_fn_t fn
, void *data
)
1683 git_config_check_init();
1684 configset_iter(&the_config_set
, fn
, data
);
1687 static struct config_set_element
*configset_find_element(struct config_set
*cs
, const char *key
)
1689 struct config_set_element k
;
1690 struct config_set_element
*found_entry
;
1691 char *normalized_key
;
1693 * `key` may come from the user, so normalize it before using it
1694 * for querying entries from the hashmap.
1696 if (git_config_parse_key(key
, &normalized_key
, NULL
))
1699 hashmap_entry_init(&k
, strhash(normalized_key
));
1700 k
.key
= normalized_key
;
1701 found_entry
= hashmap_get(&cs
->config_hash
, &k
, NULL
);
1702 free(normalized_key
);
1706 static int configset_add_value(struct config_set
*cs
, const char *key
, const char *value
)
1708 struct config_set_element
*e
;
1709 struct string_list_item
*si
;
1710 struct configset_list_item
*l_item
;
1711 struct key_value_info
*kv_info
= xmalloc(sizeof(*kv_info
));
1713 e
= configset_find_element(cs
, key
);
1715 * Since the keys are being fed by git_config*() callback mechanism, they
1716 * are already normalized. So simply add them without any further munging.
1719 e
= xmalloc(sizeof(*e
));
1720 hashmap_entry_init(e
, strhash(key
));
1721 e
->key
= xstrdup(key
);
1722 string_list_init(&e
->value_list
, 1);
1723 hashmap_add(&cs
->config_hash
, e
);
1725 si
= string_list_append_nodup(&e
->value_list
, xstrdup_or_null(value
));
1727 ALLOC_GROW(cs
->list
.items
, cs
->list
.nr
+ 1, cs
->list
.alloc
);
1728 l_item
= &cs
->list
.items
[cs
->list
.nr
++];
1730 l_item
->value_index
= e
->value_list
.nr
- 1;
1733 die("BUG: configset_add_value has no source");
1735 kv_info
->filename
= strintern(cf
->name
);
1736 kv_info
->linenr
= cf
->linenr
;
1737 kv_info
->origin_type
= cf
->origin_type
;
1739 /* for values read from `git_config_from_parameters()` */
1740 kv_info
->filename
= NULL
;
1741 kv_info
->linenr
= -1;
1742 kv_info
->origin_type
= CONFIG_ORIGIN_CMDLINE
;
1744 kv_info
->scope
= current_parsing_scope
;
1750 static int config_set_element_cmp(const struct config_set_element
*e1
,
1751 const struct config_set_element
*e2
, const void *unused
)
1753 return strcmp(e1
->key
, e2
->key
);
1756 void git_configset_init(struct config_set
*cs
)
1758 hashmap_init(&cs
->config_hash
, (hashmap_cmp_fn
)config_set_element_cmp
, 0);
1759 cs
->hash_initialized
= 1;
1762 cs
->list
.items
= NULL
;
1765 void git_configset_clear(struct config_set
*cs
)
1767 struct config_set_element
*entry
;
1768 struct hashmap_iter iter
;
1769 if (!cs
->hash_initialized
)
1772 hashmap_iter_init(&cs
->config_hash
, &iter
);
1773 while ((entry
= hashmap_iter_next(&iter
))) {
1775 string_list_clear(&entry
->value_list
, 1);
1777 hashmap_free(&cs
->config_hash
, 1);
1778 cs
->hash_initialized
= 0;
1779 free(cs
->list
.items
);
1782 cs
->list
.items
= NULL
;
1785 static int config_set_callback(const char *key
, const char *value
, void *cb
)
1787 struct config_set
*cs
= cb
;
1788 configset_add_value(cs
, key
, value
);
1792 int git_configset_add_file(struct config_set
*cs
, const char *filename
)
1794 return git_config_from_file(config_set_callback
, filename
, cs
);
1797 int git_configset_get_value(struct config_set
*cs
, const char *key
, const char **value
)
1799 const struct string_list
*values
= NULL
;
1801 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
1802 * queried key in the files of the configset, the value returned will be the last
1803 * value in the value list for that key.
1805 values
= git_configset_get_value_multi(cs
, key
);
1809 assert(values
->nr
> 0);
1810 *value
= values
->items
[values
->nr
- 1].string
;
1814 const struct string_list
*git_configset_get_value_multi(struct config_set
*cs
, const char *key
)
1816 struct config_set_element
*e
= configset_find_element(cs
, key
);
1817 return e
? &e
->value_list
: NULL
;
1820 int git_configset_get_string_const(struct config_set
*cs
, const char *key
, const char **dest
)
1823 if (!git_configset_get_value(cs
, key
, &value
))
1824 return git_config_string(dest
, key
, value
);
1829 int git_configset_get_string(struct config_set
*cs
, const char *key
, char **dest
)
1831 return git_configset_get_string_const(cs
, key
, (const char **)dest
);
1834 int git_configset_get_int(struct config_set
*cs
, const char *key
, int *dest
)
1837 if (!git_configset_get_value(cs
, key
, &value
)) {
1838 *dest
= git_config_int(key
, value
);
1844 int git_configset_get_ulong(struct config_set
*cs
, const char *key
, unsigned long *dest
)
1847 if (!git_configset_get_value(cs
, key
, &value
)) {
1848 *dest
= git_config_ulong(key
, value
);
1854 int git_configset_get_bool(struct config_set
*cs
, const char *key
, int *dest
)
1857 if (!git_configset_get_value(cs
, key
, &value
)) {
1858 *dest
= git_config_bool(key
, value
);
1864 int git_configset_get_bool_or_int(struct config_set
*cs
, const char *key
,
1865 int *is_bool
, int *dest
)
1868 if (!git_configset_get_value(cs
, key
, &value
)) {
1869 *dest
= git_config_bool_or_int(key
, value
, is_bool
);
1875 int git_configset_get_maybe_bool(struct config_set
*cs
, const char *key
, int *dest
)
1878 if (!git_configset_get_value(cs
, key
, &value
)) {
1879 *dest
= git_config_maybe_bool(key
, value
);
1887 int git_configset_get_pathname(struct config_set
*cs
, const char *key
, const char **dest
)
1890 if (!git_configset_get_value(cs
, key
, &value
))
1891 return git_config_pathname(dest
, key
, value
);
1896 static void git_config_check_init(void)
1898 if (the_config_set
.hash_initialized
)
1900 git_configset_init(&the_config_set
);
1901 git_config_raw(config_set_callback
, &the_config_set
);
1904 void git_config_clear(void)
1906 if (!the_config_set
.hash_initialized
)
1908 git_configset_clear(&the_config_set
);
1911 int git_config_get_value(const char *key
, const char **value
)
1913 git_config_check_init();
1914 return git_configset_get_value(&the_config_set
, key
, value
);
1917 const struct string_list
*git_config_get_value_multi(const char *key
)
1919 git_config_check_init();
1920 return git_configset_get_value_multi(&the_config_set
, key
);
1923 int git_config_get_string_const(const char *key
, const char **dest
)
1926 git_config_check_init();
1927 ret
= git_configset_get_string_const(&the_config_set
, key
, dest
);
1929 git_die_config(key
, NULL
);
1933 int git_config_get_string(const char *key
, char **dest
)
1935 git_config_check_init();
1936 return git_config_get_string_const(key
, (const char **)dest
);
1939 int git_config_get_int(const char *key
, int *dest
)
1941 git_config_check_init();
1942 return git_configset_get_int(&the_config_set
, key
, dest
);
1945 int git_config_get_ulong(const char *key
, unsigned long *dest
)
1947 git_config_check_init();
1948 return git_configset_get_ulong(&the_config_set
, key
, dest
);
1951 int git_config_get_bool(const char *key
, int *dest
)
1953 git_config_check_init();
1954 return git_configset_get_bool(&the_config_set
, key
, dest
);
1957 int git_config_get_bool_or_int(const char *key
, int *is_bool
, int *dest
)
1959 git_config_check_init();
1960 return git_configset_get_bool_or_int(&the_config_set
, key
, is_bool
, dest
);
1963 int git_config_get_maybe_bool(const char *key
, int *dest
)
1965 git_config_check_init();
1966 return git_configset_get_maybe_bool(&the_config_set
, key
, dest
);
1969 int git_config_get_pathname(const char *key
, const char **dest
)
1972 git_config_check_init();
1973 ret
= git_configset_get_pathname(&the_config_set
, key
, dest
);
1975 git_die_config(key
, NULL
);
1979 int git_config_get_expiry(const char *key
, const char **output
)
1981 int ret
= git_config_get_string_const(key
, output
);
1984 if (strcmp(*output
, "now")) {
1985 timestamp_t now
= approxidate("now");
1986 if (approxidate(*output
) >= now
)
1987 git_die_config(key
, _("Invalid %s: '%s'"), key
, *output
);
1992 int git_config_get_untracked_cache(void)
1997 /* Hack for test programs like test-dump-untracked-cache */
1998 if (ignore_untracked_cache_config
)
2001 if (!git_config_get_maybe_bool("core.untrackedcache", &val
))
2004 if (!git_config_get_value("core.untrackedcache", &v
)) {
2005 if (!strcasecmp(v
, "keep"))
2008 error(_("unknown core.untrackedCache value '%s'; "
2009 "using 'keep' default value"), v
);
2013 return -1; /* default value */
2016 int git_config_get_split_index(void)
2020 if (!git_config_get_maybe_bool("core.splitindex", &val
))
2023 return -1; /* default value */
2026 int git_config_get_max_percent_split_change(void)
2030 if (!git_config_get_int("splitindex.maxpercentchange", &val
)) {
2031 if (0 <= val
&& val
<= 100)
2034 return error(_("splitIndex.maxPercentChange value '%d' "
2035 "should be between 0 and 100"), val
);
2038 return -1; /* default value */
2042 void git_die_config_linenr(const char *key
, const char *filename
, int linenr
)
2045 die(_("unable to parse '%s' from command-line config"), key
);
2047 die(_("bad config variable '%s' in file '%s' at line %d"),
2048 key
, filename
, linenr
);
2051 NORETURN
__attribute__((format(printf
, 2, 3)))
2052 void git_die_config(const char *key
, const char *err
, ...)
2054 const struct string_list
*values
;
2055 struct key_value_info
*kv_info
;
2059 va_start(params
, err
);
2060 vreportf("error: ", err
, params
);
2063 values
= git_config_get_value_multi(key
);
2064 kv_info
= values
->items
[values
->nr
- 1].util
;
2065 git_die_config_linenr(key
, kv_info
->filename
, kv_info
->linenr
);
2069 * Find all the stuff for git_config_set() below.
2076 regex_t
*value_regex
;
2079 unsigned int offset_alloc
;
2080 enum { START
, SECTION_SEEN
, SECTION_END_SEEN
, KEY_SEEN
} state
;
2084 static int matches(const char *key
, const char *value
)
2086 if (strcmp(key
, store
.key
))
2087 return 0; /* not ours */
2088 if (!store
.value_regex
)
2089 return 1; /* always matches */
2090 if (store
.value_regex
== CONFIG_REGEX_NONE
)
2091 return 0; /* never matches */
2093 return store
.do_not_match
^
2094 (value
&& !regexec(store
.value_regex
, value
, 0, NULL
, 0));
2097 static int store_aux(const char *key
, const char *value
, void *cb
)
2102 switch (store
.state
) {
2104 if (matches(key
, value
)) {
2105 if (store
.seen
== 1 && store
.multi_replace
== 0) {
2106 warning(_("%s has multiple values"), key
);
2109 ALLOC_GROW(store
.offset
, store
.seen
+ 1,
2110 store
.offset_alloc
);
2112 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
2118 * What we are looking for is in store.key (both
2119 * section and var), and its section part is baselen
2120 * long. We found key (again, both section and var).
2121 * We would want to know if this key is in the same
2122 * section as what we are looking for. We already
2123 * know we are in the same section as what should
2126 ep
= strrchr(key
, '.');
2127 section_len
= ep
- key
;
2129 if ((section_len
!= store
.baselen
) ||
2130 memcmp(key
, store
.key
, section_len
+1)) {
2131 store
.state
= SECTION_END_SEEN
;
2136 * Do not increment matches: this is no match, but we
2137 * just made sure we are in the desired section.
2139 ALLOC_GROW(store
.offset
, store
.seen
+ 1,
2140 store
.offset_alloc
);
2141 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
2143 case SECTION_END_SEEN
:
2145 if (matches(key
, value
)) {
2146 ALLOC_GROW(store
.offset
, store
.seen
+ 1,
2147 store
.offset_alloc
);
2148 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
2149 store
.state
= KEY_SEEN
;
2152 if (strrchr(key
, '.') - key
== store
.baselen
&&
2153 !strncmp(key
, store
.key
, store
.baselen
)) {
2154 store
.state
= SECTION_SEEN
;
2155 ALLOC_GROW(store
.offset
,
2157 store
.offset_alloc
);
2158 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
2165 static int write_error(const char *filename
)
2167 error("failed to write new configuration file %s", filename
);
2169 /* Same error code as "failed to rename". */
2173 static int store_write_section(int fd
, const char *key
)
2177 struct strbuf sb
= STRBUF_INIT
;
2179 dot
= memchr(key
, '.', store
.baselen
);
2181 strbuf_addf(&sb
, "[%.*s \"", (int)(dot
- key
), key
);
2182 for (i
= dot
- key
+ 1; i
< store
.baselen
; i
++) {
2183 if (key
[i
] == '"' || key
[i
] == '\\')
2184 strbuf_addch(&sb
, '\\');
2185 strbuf_addch(&sb
, key
[i
]);
2187 strbuf_addstr(&sb
, "\"]\n");
2189 strbuf_addf(&sb
, "[%.*s]\n", store
.baselen
, key
);
2192 success
= write_in_full(fd
, sb
.buf
, sb
.len
) == sb
.len
;
2193 strbuf_release(&sb
);
2198 static int store_write_pair(int fd
, const char *key
, const char *value
)
2201 int length
= strlen(key
+ store
.baselen
+ 1);
2202 const char *quote
= "";
2203 struct strbuf sb
= STRBUF_INIT
;
2206 * Check to see if the value needs to be surrounded with a dq pair.
2207 * Note that problematic characters are always backslash-quoted; this
2208 * check is about not losing leading or trailing SP and strings that
2209 * follow beginning-of-comment characters (i.e. ';' and '#') by the
2210 * configuration parser.
2212 if (value
[0] == ' ')
2214 for (i
= 0; value
[i
]; i
++)
2215 if (value
[i
] == ';' || value
[i
] == '#')
2217 if (i
&& value
[i
- 1] == ' ')
2220 strbuf_addf(&sb
, "\t%.*s = %s",
2221 length
, key
+ store
.baselen
+ 1, quote
);
2223 for (i
= 0; value
[i
]; i
++)
2226 strbuf_addstr(&sb
, "\\n");
2229 strbuf_addstr(&sb
, "\\t");
2233 strbuf_addch(&sb
, '\\');
2235 strbuf_addch(&sb
, value
[i
]);
2238 strbuf_addf(&sb
, "%s\n", quote
);
2240 success
= write_in_full(fd
, sb
.buf
, sb
.len
) == sb
.len
;
2241 strbuf_release(&sb
);
2246 static ssize_t
find_beginning_of_line(const char *contents
, size_t size
,
2247 size_t offset_
, int *found_bracket
)
2249 size_t equal_offset
= size
, bracket_offset
= size
;
2253 for (offset
= offset_
-2; offset
> 0
2254 && contents
[offset
] != '\n'; offset
--)
2255 switch (contents
[offset
]) {
2256 case '=': equal_offset
= offset
; break;
2257 case ']': bracket_offset
= offset
; break;
2259 if (offset
> 0 && contents
[offset
-1] == '\\') {
2263 if (bracket_offset
< equal_offset
) {
2265 offset
= bracket_offset
+1;
2272 int git_config_set_in_file_gently(const char *config_filename
,
2273 const char *key
, const char *value
)
2275 return git_config_set_multivar_in_file_gently(config_filename
, key
, value
, NULL
, 0);
2278 void git_config_set_in_file(const char *config_filename
,
2279 const char *key
, const char *value
)
2281 git_config_set_multivar_in_file(config_filename
, key
, value
, NULL
, 0);
2284 int git_config_set_gently(const char *key
, const char *value
)
2286 return git_config_set_multivar_gently(key
, value
, NULL
, 0);
2289 void git_config_set(const char *key
, const char *value
)
2291 git_config_set_multivar(key
, value
, NULL
, 0);
2295 * If value==NULL, unset in (remove from) config,
2296 * if value_regex!=NULL, disregard key/value pairs where value does not match.
2297 * if value_regex==CONFIG_REGEX_NONE, do not match any existing values
2298 * (only add a new one)
2299 * if multi_replace==0, nothing, or only one matching key/value is replaced,
2300 * else all matching key/values (regardless how many) are removed,
2301 * before the new pair is written.
2303 * Returns 0 on success.
2305 * This function does this:
2307 * - it locks the config file by creating ".git/config.lock"
2309 * - it then parses the config using store_aux() as validator to find
2310 * the position on the key/value pair to replace. If it is to be unset,
2311 * it must be found exactly once.
2313 * - the config file is mmap()ed and the part before the match (if any) is
2314 * written to the lock file, then the changed part and the rest.
2316 * - the config file is removed and the lock file rename()d to it.
2319 int git_config_set_multivar_in_file_gently(const char *config_filename
,
2320 const char *key
, const char *value
,
2321 const char *value_regex
,
2324 int fd
= -1, in_fd
= -1;
2326 struct lock_file
*lock
= NULL
;
2327 char *filename_buf
= NULL
;
2328 char *contents
= NULL
;
2331 /* parse-key returns negative; flip the sign to feed exit(3) */
2332 ret
= 0 - git_config_parse_key(key
, &store
.key
, &store
.baselen
);
2336 store
.multi_replace
= multi_replace
;
2338 if (!config_filename
)
2339 config_filename
= filename_buf
= git_pathdup("config");
2342 * The lock serves a purpose in addition to locking: the new
2343 * contents of .git/config will be written into it.
2345 lock
= xcalloc(1, sizeof(struct lock_file
));
2346 fd
= hold_lock_file_for_update(lock
, config_filename
, 0);
2348 error_errno("could not lock config file %s", config_filename
);
2350 ret
= CONFIG_NO_LOCK
;
2355 * If .git/config does not exist yet, write a minimal version.
2357 in_fd
= open(config_filename
, O_RDONLY
);
2361 if ( ENOENT
!= errno
) {
2362 error_errno("opening %s", config_filename
);
2363 ret
= CONFIG_INVALID_FILE
; /* same as "invalid config file" */
2366 /* if nothing to unset, error out */
2367 if (value
== NULL
) {
2368 ret
= CONFIG_NOTHING_SET
;
2372 store
.key
= (char *)key
;
2373 if (!store_write_section(fd
, key
) ||
2374 !store_write_pair(fd
, key
, value
))
2378 size_t copy_begin
, copy_end
;
2379 int i
, new_line
= 0;
2381 if (value_regex
== NULL
)
2382 store
.value_regex
= NULL
;
2383 else if (value_regex
== CONFIG_REGEX_NONE
)
2384 store
.value_regex
= CONFIG_REGEX_NONE
;
2386 if (value_regex
[0] == '!') {
2387 store
.do_not_match
= 1;
2390 store
.do_not_match
= 0;
2392 store
.value_regex
= (regex_t
*)xmalloc(sizeof(regex_t
));
2393 if (regcomp(store
.value_regex
, value_regex
,
2395 error("invalid pattern: %s", value_regex
);
2396 free(store
.value_regex
);
2397 ret
= CONFIG_INVALID_PATTERN
;
2402 ALLOC_GROW(store
.offset
, 1, store
.offset_alloc
);
2403 store
.offset
[0] = 0;
2404 store
.state
= START
;
2408 * After this, store.offset will contain the *end* offset
2409 * of the last match, or remain at 0 if no match was found.
2410 * As a side effect, we make sure to transform only a valid
2411 * existing config file.
2413 if (git_config_from_file(store_aux
, config_filename
, NULL
)) {
2414 error("invalid config file %s", config_filename
);
2416 if (store
.value_regex
!= NULL
&&
2417 store
.value_regex
!= CONFIG_REGEX_NONE
) {
2418 regfree(store
.value_regex
);
2419 free(store
.value_regex
);
2421 ret
= CONFIG_INVALID_FILE
;
2426 if (store
.value_regex
!= NULL
&&
2427 store
.value_regex
!= CONFIG_REGEX_NONE
) {
2428 regfree(store
.value_regex
);
2429 free(store
.value_regex
);
2432 /* if nothing to unset, or too many matches, error out */
2433 if ((store
.seen
== 0 && value
== NULL
) ||
2434 (store
.seen
> 1 && multi_replace
== 0)) {
2435 ret
= CONFIG_NOTHING_SET
;
2439 if (fstat(in_fd
, &st
) == -1) {
2440 error_errno(_("fstat on %s failed"), config_filename
);
2441 ret
= CONFIG_INVALID_FILE
;
2445 contents_sz
= xsize_t(st
.st_size
);
2446 contents
= xmmap_gently(NULL
, contents_sz
, PROT_READ
,
2447 MAP_PRIVATE
, in_fd
, 0);
2448 if (contents
== MAP_FAILED
) {
2449 if (errno
== ENODEV
&& S_ISDIR(st
.st_mode
))
2451 error_errno("unable to mmap '%s'", config_filename
);
2452 ret
= CONFIG_INVALID_FILE
;
2459 if (chmod(get_lock_file_path(lock
), st
.st_mode
& 07777) < 0) {
2460 error_errno("chmod on %s failed", get_lock_file_path(lock
));
2461 ret
= CONFIG_NO_WRITE
;
2465 if (store
.seen
== 0)
2468 for (i
= 0, copy_begin
= 0; i
< store
.seen
; i
++) {
2469 if (store
.offset
[i
] == 0) {
2470 store
.offset
[i
] = copy_end
= contents_sz
;
2471 } else if (store
.state
!= KEY_SEEN
) {
2472 copy_end
= store
.offset
[i
];
2474 copy_end
= find_beginning_of_line(
2475 contents
, contents_sz
,
2476 store
.offset
[i
]-2, &new_line
);
2478 if (copy_end
> 0 && contents
[copy_end
-1] != '\n')
2481 /* write the first part of the config */
2482 if (copy_end
> copy_begin
) {
2483 if (write_in_full(fd
, contents
+ copy_begin
,
2484 copy_end
- copy_begin
) <
2485 copy_end
- copy_begin
)
2488 write_str_in_full(fd
, "\n") != 1)
2491 copy_begin
= store
.offset
[i
];
2494 /* write the pair (value == NULL means unset) */
2495 if (value
!= NULL
) {
2496 if (store
.state
== START
) {
2497 if (!store_write_section(fd
, key
))
2500 if (!store_write_pair(fd
, key
, value
))
2504 /* write the rest of the config */
2505 if (copy_begin
< contents_sz
)
2506 if (write_in_full(fd
, contents
+ copy_begin
,
2507 contents_sz
- copy_begin
) <
2508 contents_sz
- copy_begin
)
2511 munmap(contents
, contents_sz
);
2515 if (commit_lock_file(lock
) < 0) {
2516 error_errno("could not write config file %s", config_filename
);
2517 ret
= CONFIG_NO_WRITE
;
2523 * lock is committed, so don't try to roll it back below.
2524 * NOTE: Since lockfile.c keeps a linked list of all created
2525 * lock_file structures, it isn't safe to free(lock). It's
2526 * better to just leave it hanging around.
2531 /* Invalidate the config cache */
2536 rollback_lock_file(lock
);
2539 munmap(contents
, contents_sz
);
2545 ret
= write_error(get_lock_file_path(lock
));
2550 void git_config_set_multivar_in_file(const char *config_filename
,
2551 const char *key
, const char *value
,
2552 const char *value_regex
, int multi_replace
)
2554 if (!git_config_set_multivar_in_file_gently(config_filename
, key
, value
,
2555 value_regex
, multi_replace
))
2558 die(_("could not set '%s' to '%s'"), key
, value
);
2560 die(_("could not unset '%s'"), key
);
2563 int git_config_set_multivar_gently(const char *key
, const char *value
,
2564 const char *value_regex
, int multi_replace
)
2566 return git_config_set_multivar_in_file_gently(NULL
, key
, value
, value_regex
,
2570 void git_config_set_multivar(const char *key
, const char *value
,
2571 const char *value_regex
, int multi_replace
)
2573 git_config_set_multivar_in_file(NULL
, key
, value
, value_regex
,
2577 static int section_name_match (const char *buf
, const char *name
)
2579 int i
= 0, j
= 0, dot
= 0;
2582 for (i
= 1; buf
[i
] && buf
[i
] != ']'; i
++) {
2583 if (!dot
&& isspace(buf
[i
])) {
2585 if (name
[j
++] != '.')
2587 for (i
++; isspace(buf
[i
]); i
++)
2593 if (buf
[i
] == '\\' && dot
)
2595 else if (buf
[i
] == '"' && dot
) {
2596 for (i
++; isspace(buf
[i
]); i
++)
2600 if (buf
[i
] != name
[j
++])
2603 if (buf
[i
] == ']' && name
[j
] == 0) {
2605 * We match, now just find the right length offset by
2606 * gobbling up any whitespace after it, as well
2609 for (; buf
[i
] && isspace(buf
[i
]); i
++)
2616 static int section_name_is_ok(const char *name
)
2618 /* Empty section names are bogus. */
2623 * Before a dot, we must be alphanumeric or dash. After the first dot,
2624 * anything goes, so we can stop checking.
2626 for (; *name
&& *name
!= '.'; name
++)
2627 if (*name
!= '-' && !isalnum(*name
))
2632 /* if new_name == NULL, the section is removed instead */
2633 int git_config_rename_section_in_file(const char *config_filename
,
2634 const char *old_name
, const char *new_name
)
2636 int ret
= 0, remove
= 0;
2637 char *filename_buf
= NULL
;
2638 struct lock_file
*lock
;
2641 FILE *config_file
= NULL
;
2644 if (new_name
&& !section_name_is_ok(new_name
)) {
2645 ret
= error("invalid section name: %s", new_name
);
2646 goto out_no_rollback
;
2649 if (!config_filename
)
2650 config_filename
= filename_buf
= git_pathdup("config");
2652 lock
= xcalloc(1, sizeof(struct lock_file
));
2653 out_fd
= hold_lock_file_for_update(lock
, config_filename
, 0);
2655 ret
= error("could not lock config file %s", config_filename
);
2659 if (!(config_file
= fopen(config_filename
, "rb"))) {
2660 ret
= warn_on_fopen_errors(config_filename
);
2663 /* no config file means nothing to rename, no error */
2664 goto commit_and_out
;
2667 if (fstat(fileno(config_file
), &st
) == -1) {
2668 ret
= error_errno(_("fstat on %s failed"), config_filename
);
2672 if (chmod(get_lock_file_path(lock
), st
.st_mode
& 07777) < 0) {
2673 ret
= error_errno("chmod on %s failed",
2674 get_lock_file_path(lock
));
2678 while (fgets(buf
, sizeof(buf
), config_file
)) {
2682 for (i
= 0; buf
[i
] && isspace(buf
[i
]); i
++)
2684 if (buf
[i
] == '[') {
2685 /* it's a section */
2686 int offset
= section_name_match(&buf
[i
], old_name
);
2689 if (new_name
== NULL
) {
2693 store
.baselen
= strlen(new_name
);
2694 if (!store_write_section(out_fd
, new_name
)) {
2695 ret
= write_error(get_lock_file_path(lock
));
2699 * We wrote out the new section, with
2700 * a newline, now skip the old
2703 output
+= offset
+ i
;
2704 if (strlen(output
) > 0) {
2706 * More content means there's
2707 * a declaration to put on the
2708 * next line; indent with a
2719 length
= strlen(output
);
2720 if (write_in_full(out_fd
, output
, length
) != length
) {
2721 ret
= write_error(get_lock_file_path(lock
));
2725 fclose(config_file
);
2728 if (commit_lock_file(lock
) < 0)
2729 ret
= error_errno("could not write config file %s",
2733 fclose(config_file
);
2734 rollback_lock_file(lock
);
2740 int git_config_rename_section(const char *old_name
, const char *new_name
)
2742 return git_config_rename_section_in_file(NULL
, old_name
, new_name
);
2746 * Call this to report error for your variable that should not
2747 * get a boolean value (i.e. "[my] var" means "true").
2749 #undef config_error_nonbool
2750 int config_error_nonbool(const char *var
)
2752 return error("missing value for '%s'", var
);
2755 int parse_config_key(const char *var
,
2756 const char *section
,
2757 const char **subsection
, int *subsection_len
,
2762 /* Does it start with "section." ? */
2763 if (!skip_prefix(var
, section
, &var
) || *var
!= '.')
2767 * Find the key; we don't know yet if we have a subsection, but we must
2768 * parse backwards from the end, since the subsection may have dots in
2771 dot
= strrchr(var
, '.');
2774 /* Did we have a subsection at all? */
2778 *subsection_len
= 0;
2784 *subsection
= var
+ 1;
2785 *subsection_len
= dot
- *subsection
;
2791 const char *current_config_origin_type(void)
2794 if (current_config_kvi
)
2795 type
= current_config_kvi
->origin_type
;
2797 type
= cf
->origin_type
;
2799 die("BUG: current_config_origin_type called outside config callback");
2802 case CONFIG_ORIGIN_BLOB
:
2804 case CONFIG_ORIGIN_FILE
:
2806 case CONFIG_ORIGIN_STDIN
:
2807 return "standard input";
2808 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
2809 return "submodule-blob";
2810 case CONFIG_ORIGIN_CMDLINE
:
2811 return "command line";
2813 die("BUG: unknown config origin type");
2817 const char *current_config_name(void)
2820 if (current_config_kvi
)
2821 name
= current_config_kvi
->filename
;
2825 die("BUG: current_config_name called outside config callback");
2826 return name
? name
: "";
2829 enum config_scope
current_config_scope(void)
2831 if (current_config_kvi
)
2832 return current_config_kvi
->scope
;
2834 return current_parsing_scope
;