2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Johannes Schindelin, 2005
15 #include "string-list.h"
19 struct config_source
{
20 struct config_source
*prev
;
29 enum config_origin_type origin_type
;
38 int (*do_fgetc
)(struct config_source
*c
);
39 int (*do_ungetc
)(int c
, struct config_source
*conf
);
40 long (*do_ftell
)(struct config_source
*c
);
44 * These variables record the "current" config source, which
45 * can be accessed by parsing callbacks.
47 * The "cf" variable will be non-NULL only when we are actually parsing a real
48 * config source (file, blob, cmdline, etc).
50 * The "current_config_kvi" variable will be non-NULL only when we are feeding
51 * cached config from a configset into a callback.
53 * They should generally never be non-NULL at the same time. If they are both
54 * NULL, then we aren't parsing anything (and depending on the function looking
55 * at the variables, it's either a bug for it to be called in the first place,
56 * or it's a function which can be reused for non-config purposes, and should
57 * fall back to some sane behavior).
59 static struct config_source
*cf
;
60 static struct key_value_info
*current_config_kvi
;
63 * Similar to the variables above, this gives access to the "scope" of the
64 * current value (repo, global, etc). For cached values, it can be found via
65 * the current_config_kvi as above. During parsing, the current value can be
66 * found in this variable. It's not part of "cf" because it transcends a single
67 * file (i.e., a file included from .git/config is still in "repo" scope).
69 static enum config_scope current_parsing_scope
;
71 static int core_compression_seen
;
72 static int pack_compression_seen
;
73 static int zlib_compression_seen
;
76 * Default config_set that contains key-value pairs from the usual set of config
77 * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG
78 * config file and the global /etc/gitconfig)
80 static struct config_set the_config_set
;
82 static int config_file_fgetc(struct config_source
*conf
)
84 return getc_unlocked(conf
->u
.file
);
87 static int config_file_ungetc(int c
, struct config_source
*conf
)
89 return ungetc(c
, conf
->u
.file
);
92 static long config_file_ftell(struct config_source
*conf
)
94 return ftell(conf
->u
.file
);
98 static int config_buf_fgetc(struct config_source
*conf
)
100 if (conf
->u
.buf
.pos
< conf
->u
.buf
.len
)
101 return conf
->u
.buf
.buf
[conf
->u
.buf
.pos
++];
106 static int config_buf_ungetc(int c
, struct config_source
*conf
)
108 if (conf
->u
.buf
.pos
> 0) {
110 if (conf
->u
.buf
.buf
[conf
->u
.buf
.pos
] != c
)
111 die("BUG: config_buf can only ungetc the same character");
118 static long config_buf_ftell(struct config_source
*conf
)
120 return conf
->u
.buf
.pos
;
123 #define MAX_INCLUDE_DEPTH 10
124 static const char include_depth_advice
[] =
125 "exceeded maximum include depth (%d) while including\n"
129 "Do you have circular includes?";
130 static int handle_path_include(const char *path
, struct config_include_data
*inc
)
133 struct strbuf buf
= STRBUF_INIT
;
137 return config_error_nonbool("include.path");
139 expanded
= expand_user_path(path
, 0);
141 return error("could not expand include path '%s'", path
);
145 * Use an absolute path as-is, but interpret relative paths
146 * based on the including config file.
148 if (!is_absolute_path(path
)) {
151 if (!cf
|| !cf
->path
)
152 return error("relative config includes must come from files");
154 slash
= find_last_dir_sep(cf
->path
);
156 strbuf_add(&buf
, cf
->path
, slash
- cf
->path
+ 1);
157 strbuf_addstr(&buf
, path
);
161 if (!access_or_die(path
, R_OK
, 0)) {
162 if (++inc
->depth
> MAX_INCLUDE_DEPTH
)
163 die(include_depth_advice
, MAX_INCLUDE_DEPTH
, path
,
165 cf
->name
? cf
->name
:
167 ret
= git_config_from_file(git_config_include
, path
, inc
);
170 strbuf_release(&buf
);
175 static int prepare_include_condition_pattern(struct strbuf
*pat
)
177 struct strbuf path
= STRBUF_INIT
;
181 expanded
= expand_user_path(pat
->buf
, 1);
184 strbuf_addstr(pat
, expanded
);
188 if (pat
->buf
[0] == '.' && is_dir_sep(pat
->buf
[1])) {
191 if (!cf
|| !cf
->path
)
192 return error(_("relative config include "
193 "conditionals must come from files"));
195 strbuf_realpath(&path
, cf
->path
, 1);
196 slash
= find_last_dir_sep(path
.buf
);
198 die("BUG: how is this possible?");
199 strbuf_splice(pat
, 0, 1, path
.buf
, slash
- path
.buf
);
200 prefix
= slash
- path
.buf
+ 1 /* slash */;
201 } else if (!is_absolute_path(pat
->buf
))
202 strbuf_insert(pat
, 0, "**/", 3);
204 if (pat
->len
&& is_dir_sep(pat
->buf
[pat
->len
- 1]))
205 strbuf_addstr(pat
, "**");
207 strbuf_release(&path
);
211 static int include_by_gitdir(const struct config_options
*opts
,
212 const char *cond
, size_t cond_len
, int icase
)
214 struct strbuf text
= STRBUF_INIT
;
215 struct strbuf pattern
= STRBUF_INIT
;
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
);
235 * perform literal matching on the prefix part so that
236 * any wildcard character in it can't create side effects.
238 if (text
.len
< prefix
)
240 if (!icase
&& strncmp(pattern
.buf
, text
.buf
, prefix
))
242 if (icase
&& strncasecmp(pattern
.buf
, text
.buf
, prefix
))
246 ret
= !wildmatch(pattern
.buf
+ prefix
, text
.buf
+ prefix
,
247 icase
? WM_CASEFOLD
: 0, NULL
);
250 strbuf_release(&pattern
);
251 strbuf_release(&text
);
255 static int include_condition_is_true(const struct config_options
*opts
,
256 const char *cond
, size_t cond_len
)
259 if (skip_prefix_mem(cond
, cond_len
, "gitdir:", &cond
, &cond_len
))
260 return include_by_gitdir(opts
, cond
, cond_len
, 0);
261 else if (skip_prefix_mem(cond
, cond_len
, "gitdir/i:", &cond
, &cond_len
))
262 return include_by_gitdir(opts
, cond
, cond_len
, 1);
264 /* unknown conditionals are always false */
268 int git_config_include(const char *var
, const char *value
, void *data
)
270 struct config_include_data
*inc
= data
;
271 const char *cond
, *key
;
276 * Pass along all values, including "include" directives; this makes it
277 * possible to query information on the includes themselves.
279 ret
= inc
->fn(var
, value
, inc
->data
);
283 if (!strcmp(var
, "include.path"))
284 ret
= handle_path_include(value
, inc
);
286 if (!parse_config_key(var
, "includeif", &cond
, &cond_len
, &key
) &&
287 (cond
&& include_condition_is_true(inc
->opts
, cond
, cond_len
)) &&
288 !strcmp(key
, "path"))
289 ret
= handle_path_include(value
, inc
);
294 void git_config_push_parameter(const char *text
)
296 struct strbuf env
= STRBUF_INIT
;
297 const char *old
= getenv(CONFIG_DATA_ENVIRONMENT
);
299 strbuf_addstr(&env
, old
);
300 strbuf_addch(&env
, ' ');
302 sq_quote_buf(&env
, text
);
303 setenv(CONFIG_DATA_ENVIRONMENT
, env
.buf
, 1);
304 strbuf_release(&env
);
307 static inline int iskeychar(int c
)
309 return isalnum(c
) || c
== '-';
313 * Auxiliary function to sanity-check and split the key into the section
314 * identifier and variable name.
316 * Returns 0 on success, -1 when there is an invalid character in the key and
317 * -2 if there is no section name in the key.
319 * store_key - pointer to char* which will hold a copy of the key with
320 * lowercase section and variable name
321 * baselen - pointer to int which will hold the length of the
322 * section + subsection part, can be NULL
324 static int git_config_parse_key_1(const char *key
, char **store_key
, int *baselen_
, int quiet
)
327 const char *last_dot
= strrchr(key
, '.');
330 * Since "key" actually contains the section name and the real
331 * key name separated by a dot, we have to know where the dot is.
334 if (last_dot
== NULL
|| last_dot
== key
) {
336 error("key does not contain a section: %s", key
);
337 return -CONFIG_NO_SECTION_OR_NAME
;
342 error("key does not contain variable name: %s", key
);
343 return -CONFIG_NO_SECTION_OR_NAME
;
346 baselen
= last_dot
- key
;
351 * Validate the key and while at it, lower case it for matching.
354 *store_key
= xmallocz(strlen(key
));
357 for (i
= 0; key
[i
]; i
++) {
358 unsigned char c
= key
[i
];
361 /* Leave the extended basename untouched.. */
362 if (!dot
|| i
> baselen
) {
364 (i
== baselen
+ 1 && !isalpha(c
))) {
366 error("invalid key: %s", key
);
370 } else if (c
== '\n') {
372 error("invalid key (newline): %s", key
);
386 return -CONFIG_INVALID_KEY
;
389 int git_config_parse_key(const char *key
, char **store_key
, int *baselen
)
391 return git_config_parse_key_1(key
, store_key
, baselen
, 0);
394 int git_config_key_is_valid(const char *key
)
396 return !git_config_parse_key_1(key
, NULL
, NULL
, 1);
399 int git_config_parse_parameter(const char *text
,
400 config_fn_t fn
, void *data
)
403 char *canonical_name
;
404 struct strbuf
**pair
;
407 pair
= strbuf_split_str(text
, '=', 2);
409 return error("bogus config parameter: %s", text
);
411 if (pair
[0]->len
&& pair
[0]->buf
[pair
[0]->len
- 1] == '=') {
412 strbuf_setlen(pair
[0], pair
[0]->len
- 1);
413 value
= pair
[1] ? pair
[1]->buf
: "";
418 strbuf_trim(pair
[0]);
420 strbuf_list_free(pair
);
421 return error("bogus config parameter: %s", text
);
424 if (git_config_parse_key(pair
[0]->buf
, &canonical_name
, NULL
)) {
427 ret
= (fn(canonical_name
, value
, data
) < 0) ? -1 : 0;
428 free(canonical_name
);
430 strbuf_list_free(pair
);
434 int git_config_from_parameters(config_fn_t fn
, void *data
)
436 const char *env
= getenv(CONFIG_DATA_ENVIRONMENT
);
439 const char **argv
= NULL
;
440 int nr
= 0, alloc
= 0;
442 struct config_source source
;
447 memset(&source
, 0, sizeof(source
));
449 source
.origin_type
= CONFIG_ORIGIN_CMDLINE
;
452 /* sq_dequote will write over it */
455 if (sq_dequote_to_argv(envw
, &argv
, &nr
, &alloc
) < 0) {
456 ret
= error("bogus format in " CONFIG_DATA_ENVIRONMENT
);
460 for (i
= 0; i
< nr
; i
++) {
461 if (git_config_parse_parameter(argv
[i
], fn
, data
) < 0) {
474 static int get_next_char(void)
476 int c
= cf
->do_fgetc(cf
);
479 /* DOS like systems */
480 c
= cf
->do_fgetc(cf
);
483 cf
->do_ungetc(c
, cf
);
497 static char *parse_value(void)
499 int quote
= 0, comment
= 0, space
= 0;
501 strbuf_reset(&cf
->value
);
503 int c
= get_next_char();
509 return cf
->value
.buf
;
513 if (isspace(c
) && !quote
) {
519 if (c
== ';' || c
== '#') {
524 for (; space
; space
--)
525 strbuf_addch(&cf
->value
, ' ');
540 /* Some characters escape as themselves */
543 /* Reject unknown escape sequences */
547 strbuf_addch(&cf
->value
, c
);
554 strbuf_addch(&cf
->value
, c
);
558 static int get_value(config_fn_t fn
, void *data
, struct strbuf
*name
)
564 /* Get the full name */
571 strbuf_addch(name
, tolower(c
));
574 while (c
== ' ' || c
== '\t')
581 value
= parse_value();
586 * We already consumed the \n, but we need linenr to point to
587 * the line we just parsed during the call to fn to get
588 * accurate line number in error messages.
591 ret
= fn(name
->buf
, value
, data
);
597 static int get_extended_base_var(struct strbuf
*name
, int c
)
601 goto error_incomplete_line
;
603 } while (isspace(c
));
605 /* We require the format to be '[base "extension"]' */
608 strbuf_addch(name
, '.');
611 int c
= get_next_char();
613 goto error_incomplete_line
;
619 goto error_incomplete_line
;
621 strbuf_addch(name
, c
);
625 if (get_next_char() != ']')
628 error_incomplete_line
:
633 static int get_base_var(struct strbuf
*name
)
636 int c
= get_next_char();
642 return get_extended_base_var(name
, c
);
643 if (!iskeychar(c
) && c
!= '.')
645 strbuf_addch(name
, tolower(c
));
649 static int git_parse_source(config_fn_t fn
, void *data
)
653 struct strbuf
*var
= &cf
->var
;
654 int error_return
= 0;
655 char *error_msg
= NULL
;
657 /* U+FEFF Byte Order Mark in UTF8 */
658 const char *bomptr
= utf8_bom
;
661 int c
= get_next_char();
662 if (bomptr
&& *bomptr
) {
663 /* We are at the file beginning; skip UTF8-encoded BOM
664 * if present. Sane editors won't put this in on their
665 * own, but e.g. Windows Notepad will do it happily. */
666 if (c
== (*bomptr
& 0377)) {
670 /* Do not tolerate partial BOM. */
671 if (bomptr
!= utf8_bom
)
673 /* No BOM at file beginning. Cool. */
683 if (comment
|| isspace(c
))
685 if (c
== '#' || c
== ';') {
690 /* Reset prior to determining a new stem */
692 if (get_base_var(var
) < 0 || var
->len
< 1)
694 strbuf_addch(var
, '.');
701 * Truncate the var name back to the section header
702 * stem prior to grabbing the suffix part of the name
705 strbuf_setlen(var
, baselen
);
706 strbuf_addch(var
, tolower(c
));
707 if (get_value(fn
, data
, var
) < 0)
711 switch (cf
->origin_type
) {
712 case CONFIG_ORIGIN_BLOB
:
713 error_msg
= xstrfmt(_("bad config line %d in blob %s"),
714 cf
->linenr
, cf
->name
);
716 case CONFIG_ORIGIN_FILE
:
717 error_msg
= xstrfmt(_("bad config line %d in file %s"),
718 cf
->linenr
, cf
->name
);
720 case CONFIG_ORIGIN_STDIN
:
721 error_msg
= xstrfmt(_("bad config line %d in standard input"),
724 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
725 error_msg
= xstrfmt(_("bad config line %d in submodule-blob %s"),
726 cf
->linenr
, cf
->name
);
728 case CONFIG_ORIGIN_CMDLINE
:
729 error_msg
= xstrfmt(_("bad config line %d in command line %s"),
730 cf
->linenr
, cf
->name
);
733 error_msg
= xstrfmt(_("bad config line %d in %s"),
734 cf
->linenr
, cf
->name
);
737 if (cf
->die_on_error
)
738 die("%s", error_msg
);
740 error_return
= error("%s", error_msg
);
746 static int parse_unit_factor(const char *end
, uintmax_t *val
)
750 else if (!strcasecmp(end
, "k")) {
754 else if (!strcasecmp(end
, "m")) {
758 else if (!strcasecmp(end
, "g")) {
759 *val
*= 1024 * 1024 * 1024;
765 static int git_parse_signed(const char *value
, intmax_t *ret
, intmax_t max
)
767 if (value
&& *value
) {
771 uintmax_t factor
= 1;
774 val
= strtoimax(value
, &end
, 0);
777 if (!parse_unit_factor(end
, &factor
)) {
783 if (uval
> max
|| labs(val
) > uval
) {
795 static int git_parse_unsigned(const char *value
, uintmax_t *ret
, uintmax_t max
)
797 if (value
&& *value
) {
803 val
= strtoumax(value
, &end
, 0);
807 if (!parse_unit_factor(end
, &val
)) {
811 if (val
> max
|| oldval
> val
) {
822 static int git_parse_int(const char *value
, int *ret
)
825 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int)))
831 static int git_parse_int64(const char *value
, int64_t *ret
)
834 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int64_t)))
840 int git_parse_ulong(const char *value
, unsigned long *ret
)
843 if (!git_parse_unsigned(value
, &tmp
, maximum_unsigned_value_of_type(long)))
849 static int git_parse_ssize_t(const char *value
, ssize_t
*ret
)
852 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(ssize_t
)))
859 static void die_bad_number(const char *name
, const char *value
)
861 const char * error_type
= (errno
== ERANGE
)? _("out of range"):_("invalid unit");
866 if (!(cf
&& cf
->name
))
867 die(_("bad numeric config value '%s' for '%s': %s"),
868 value
, name
, error_type
);
870 switch (cf
->origin_type
) {
871 case CONFIG_ORIGIN_BLOB
:
872 die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
873 value
, name
, cf
->name
, error_type
);
874 case CONFIG_ORIGIN_FILE
:
875 die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
876 value
, name
, cf
->name
, error_type
);
877 case CONFIG_ORIGIN_STDIN
:
878 die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
879 value
, name
, error_type
);
880 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
881 die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
882 value
, name
, cf
->name
, error_type
);
883 case CONFIG_ORIGIN_CMDLINE
:
884 die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
885 value
, name
, cf
->name
, error_type
);
887 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
888 value
, name
, cf
->name
, error_type
);
892 int git_config_int(const char *name
, const char *value
)
895 if (!git_parse_int(value
, &ret
))
896 die_bad_number(name
, value
);
900 int64_t git_config_int64(const char *name
, const char *value
)
903 if (!git_parse_int64(value
, &ret
))
904 die_bad_number(name
, value
);
908 unsigned long git_config_ulong(const char *name
, const char *value
)
911 if (!git_parse_ulong(value
, &ret
))
912 die_bad_number(name
, value
);
916 ssize_t
git_config_ssize_t(const char *name
, const char *value
)
919 if (!git_parse_ssize_t(value
, &ret
))
920 die_bad_number(name
, value
);
924 int git_parse_maybe_bool(const char *value
)
930 if (!strcasecmp(value
, "true")
931 || !strcasecmp(value
, "yes")
932 || !strcasecmp(value
, "on"))
934 if (!strcasecmp(value
, "false")
935 || !strcasecmp(value
, "no")
936 || !strcasecmp(value
, "off"))
941 int git_config_maybe_bool(const char *name
, const char *value
)
943 int v
= git_parse_maybe_bool(value
);
946 if (git_parse_int(value
, &v
))
951 int git_config_bool_or_int(const char *name
, const char *value
, int *is_bool
)
953 int v
= git_parse_maybe_bool(value
);
959 return git_config_int(name
, value
);
962 int git_config_bool(const char *name
, const char *value
)
965 return !!git_config_bool_or_int(name
, value
, &discard
);
968 int git_config_string(const char **dest
, const char *var
, const char *value
)
971 return config_error_nonbool(var
);
972 *dest
= xstrdup(value
);
976 int git_config_pathname(const char **dest
, const char *var
, const char *value
)
979 return config_error_nonbool(var
);
980 *dest
= expand_user_path(value
, 0);
982 die(_("failed to expand user dir in: '%s'"), value
);
986 static int git_default_core_config(const char *var
, const char *value
)
988 /* This needs a better name */
989 if (!strcmp(var
, "core.filemode")) {
990 trust_executable_bit
= git_config_bool(var
, value
);
993 if (!strcmp(var
, "core.trustctime")) {
994 trust_ctime
= git_config_bool(var
, value
);
997 if (!strcmp(var
, "core.checkstat")) {
998 if (!strcasecmp(value
, "default"))
1000 else if (!strcasecmp(value
, "minimal"))
1004 if (!strcmp(var
, "core.quotepath")) {
1005 quote_path_fully
= git_config_bool(var
, value
);
1009 if (!strcmp(var
, "core.symlinks")) {
1010 has_symlinks
= git_config_bool(var
, value
);
1014 if (!strcmp(var
, "core.ignorecase")) {
1015 ignore_case
= git_config_bool(var
, value
);
1019 if (!strcmp(var
, "core.attributesfile"))
1020 return git_config_pathname(&git_attributes_file
, var
, value
);
1022 if (!strcmp(var
, "core.hookspath"))
1023 return git_config_pathname(&git_hooks_path
, var
, value
);
1025 if (!strcmp(var
, "core.bare")) {
1026 is_bare_repository_cfg
= git_config_bool(var
, value
);
1030 if (!strcmp(var
, "core.ignorestat")) {
1031 assume_unchanged
= git_config_bool(var
, value
);
1035 if (!strcmp(var
, "core.prefersymlinkrefs")) {
1036 prefer_symlink_refs
= git_config_bool(var
, value
);
1040 if (!strcmp(var
, "core.logallrefupdates")) {
1041 if (value
&& !strcasecmp(value
, "always"))
1042 log_all_ref_updates
= LOG_REFS_ALWAYS
;
1043 else if (git_config_bool(var
, value
))
1044 log_all_ref_updates
= LOG_REFS_NORMAL
;
1046 log_all_ref_updates
= LOG_REFS_NONE
;
1050 if (!strcmp(var
, "core.warnambiguousrefs")) {
1051 warn_ambiguous_refs
= git_config_bool(var
, value
);
1055 if (!strcmp(var
, "core.abbrev")) {
1057 return config_error_nonbool(var
);
1058 if (!strcasecmp(value
, "auto"))
1059 default_abbrev
= -1;
1061 int abbrev
= git_config_int(var
, value
);
1062 if (abbrev
< minimum_abbrev
|| abbrev
> 40)
1063 return error("abbrev length out of range: %d", abbrev
);
1064 default_abbrev
= abbrev
;
1069 if (!strcmp(var
, "core.disambiguate"))
1070 return set_disambiguate_hint_config(var
, value
);
1072 if (!strcmp(var
, "core.loosecompression")) {
1073 int level
= git_config_int(var
, value
);
1075 level
= Z_DEFAULT_COMPRESSION
;
1076 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1077 die(_("bad zlib compression level %d"), level
);
1078 zlib_compression_level
= level
;
1079 zlib_compression_seen
= 1;
1083 if (!strcmp(var
, "core.compression")) {
1084 int level
= git_config_int(var
, value
);
1086 level
= Z_DEFAULT_COMPRESSION
;
1087 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1088 die(_("bad zlib compression level %d"), level
);
1089 core_compression_level
= level
;
1090 core_compression_seen
= 1;
1091 if (!zlib_compression_seen
)
1092 zlib_compression_level
= level
;
1093 if (!pack_compression_seen
)
1094 pack_compression_level
= level
;
1098 if (!strcmp(var
, "core.packedgitwindowsize")) {
1099 int pgsz_x2
= getpagesize() * 2;
1100 packed_git_window_size
= git_config_ulong(var
, value
);
1102 /* This value must be multiple of (pagesize * 2) */
1103 packed_git_window_size
/= pgsz_x2
;
1104 if (packed_git_window_size
< 1)
1105 packed_git_window_size
= 1;
1106 packed_git_window_size
*= pgsz_x2
;
1110 if (!strcmp(var
, "core.bigfilethreshold")) {
1111 big_file_threshold
= git_config_ulong(var
, value
);
1115 if (!strcmp(var
, "core.packedgitlimit")) {
1116 packed_git_limit
= git_config_ulong(var
, value
);
1120 if (!strcmp(var
, "core.deltabasecachelimit")) {
1121 delta_base_cache_limit
= git_config_ulong(var
, value
);
1125 if (!strcmp(var
, "core.autocrlf")) {
1126 if (value
&& !strcasecmp(value
, "input")) {
1127 auto_crlf
= AUTO_CRLF_INPUT
;
1130 auto_crlf
= git_config_bool(var
, value
);
1134 if (!strcmp(var
, "core.safecrlf")) {
1135 if (value
&& !strcasecmp(value
, "warn")) {
1136 safe_crlf
= SAFE_CRLF_WARN
;
1139 safe_crlf
= git_config_bool(var
, value
);
1143 if (!strcmp(var
, "core.eol")) {
1144 if (value
&& !strcasecmp(value
, "lf"))
1146 else if (value
&& !strcasecmp(value
, "crlf"))
1147 core_eol
= EOL_CRLF
;
1148 else if (value
&& !strcasecmp(value
, "native"))
1149 core_eol
= EOL_NATIVE
;
1151 core_eol
= EOL_UNSET
;
1155 if (!strcmp(var
, "core.notesref")) {
1156 notes_ref_name
= xstrdup(value
);
1160 if (!strcmp(var
, "core.editor"))
1161 return git_config_string(&editor_program
, var
, value
);
1163 if (!strcmp(var
, "core.commentchar")) {
1165 return config_error_nonbool(var
);
1166 else if (!strcasecmp(value
, "auto"))
1167 auto_comment_line_char
= 1;
1168 else if (value
[0] && !value
[1]) {
1169 comment_line_char
= value
[0];
1170 auto_comment_line_char
= 0;
1172 return error("core.commentChar should only be one character");
1176 if (!strcmp(var
, "core.askpass"))
1177 return git_config_string(&askpass_program
, var
, value
);
1179 if (!strcmp(var
, "core.excludesfile"))
1180 return git_config_pathname(&excludes_file
, var
, value
);
1182 if (!strcmp(var
, "core.whitespace")) {
1184 return config_error_nonbool(var
);
1185 whitespace_rule_cfg
= parse_whitespace_rule(value
);
1189 if (!strcmp(var
, "core.fsyncobjectfiles")) {
1190 fsync_object_files
= git_config_bool(var
, value
);
1194 if (!strcmp(var
, "core.preloadindex")) {
1195 core_preload_index
= git_config_bool(var
, value
);
1199 if (!strcmp(var
, "core.createobject")) {
1200 if (!strcmp(value
, "rename"))
1201 object_creation_mode
= OBJECT_CREATION_USES_RENAMES
;
1202 else if (!strcmp(value
, "link"))
1203 object_creation_mode
= OBJECT_CREATION_USES_HARDLINKS
;
1205 die(_("invalid mode for object creation: %s"), value
);
1209 if (!strcmp(var
, "core.sparsecheckout")) {
1210 core_apply_sparse_checkout
= git_config_bool(var
, value
);
1214 if (!strcmp(var
, "core.precomposeunicode")) {
1215 precomposed_unicode
= git_config_bool(var
, value
);
1219 if (!strcmp(var
, "core.protecthfs")) {
1220 protect_hfs
= git_config_bool(var
, value
);
1224 if (!strcmp(var
, "core.protectntfs")) {
1225 protect_ntfs
= git_config_bool(var
, value
);
1229 if (!strcmp(var
, "core.hidedotfiles")) {
1230 if (value
&& !strcasecmp(value
, "dotgitonly"))
1231 hide_dotfiles
= HIDE_DOTFILES_DOTGITONLY
;
1233 hide_dotfiles
= git_config_bool(var
, value
);
1237 /* Add other config variables here and to Documentation/config.txt. */
1241 static int git_default_i18n_config(const char *var
, const char *value
)
1243 if (!strcmp(var
, "i18n.commitencoding"))
1244 return git_config_string(&git_commit_encoding
, var
, value
);
1246 if (!strcmp(var
, "i18n.logoutputencoding"))
1247 return git_config_string(&git_log_output_encoding
, var
, value
);
1249 /* Add other config variables here and to Documentation/config.txt. */
1253 static int git_default_branch_config(const char *var
, const char *value
)
1255 if (!strcmp(var
, "branch.autosetupmerge")) {
1256 if (value
&& !strcasecmp(value
, "always")) {
1257 git_branch_track
= BRANCH_TRACK_ALWAYS
;
1260 git_branch_track
= git_config_bool(var
, value
);
1263 if (!strcmp(var
, "branch.autosetuprebase")) {
1265 return config_error_nonbool(var
);
1266 else if (!strcmp(value
, "never"))
1267 autorebase
= AUTOREBASE_NEVER
;
1268 else if (!strcmp(value
, "local"))
1269 autorebase
= AUTOREBASE_LOCAL
;
1270 else if (!strcmp(value
, "remote"))
1271 autorebase
= AUTOREBASE_REMOTE
;
1272 else if (!strcmp(value
, "always"))
1273 autorebase
= AUTOREBASE_ALWAYS
;
1275 return error("malformed value for %s", var
);
1279 /* Add other config variables here and to Documentation/config.txt. */
1283 static int git_default_push_config(const char *var
, const char *value
)
1285 if (!strcmp(var
, "push.default")) {
1287 return config_error_nonbool(var
);
1288 else if (!strcmp(value
, "nothing"))
1289 push_default
= PUSH_DEFAULT_NOTHING
;
1290 else if (!strcmp(value
, "matching"))
1291 push_default
= PUSH_DEFAULT_MATCHING
;
1292 else if (!strcmp(value
, "simple"))
1293 push_default
= PUSH_DEFAULT_SIMPLE
;
1294 else if (!strcmp(value
, "upstream"))
1295 push_default
= PUSH_DEFAULT_UPSTREAM
;
1296 else if (!strcmp(value
, "tracking")) /* deprecated */
1297 push_default
= PUSH_DEFAULT_UPSTREAM
;
1298 else if (!strcmp(value
, "current"))
1299 push_default
= PUSH_DEFAULT_CURRENT
;
1301 error("malformed value for %s: %s", var
, value
);
1302 return error("Must be one of nothing, matching, simple, "
1303 "upstream or current.");
1308 /* Add other config variables here and to Documentation/config.txt. */
1312 static int git_default_mailmap_config(const char *var
, const char *value
)
1314 if (!strcmp(var
, "mailmap.file"))
1315 return git_config_pathname(&git_mailmap_file
, var
, value
);
1316 if (!strcmp(var
, "mailmap.blob"))
1317 return git_config_string(&git_mailmap_blob
, var
, value
);
1319 /* Add other config variables here and to Documentation/config.txt. */
1323 int git_default_config(const char *var
, const char *value
, void *dummy
)
1325 if (starts_with(var
, "core."))
1326 return git_default_core_config(var
, value
);
1328 if (starts_with(var
, "user."))
1329 return git_ident_config(var
, value
, dummy
);
1331 if (starts_with(var
, "i18n."))
1332 return git_default_i18n_config(var
, value
);
1334 if (starts_with(var
, "branch."))
1335 return git_default_branch_config(var
, value
);
1337 if (starts_with(var
, "push."))
1338 return git_default_push_config(var
, value
);
1340 if (starts_with(var
, "mailmap."))
1341 return git_default_mailmap_config(var
, value
);
1343 if (starts_with(var
, "advice."))
1344 return git_default_advice_config(var
, value
);
1346 if (!strcmp(var
, "pager.color") || !strcmp(var
, "color.pager")) {
1347 pager_use_color
= git_config_bool(var
,value
);
1351 if (!strcmp(var
, "pack.packsizelimit")) {
1352 pack_size_limit_cfg
= git_config_ulong(var
, value
);
1356 if (!strcmp(var
, "pack.compression")) {
1357 int level
= git_config_int(var
, value
);
1359 level
= Z_DEFAULT_COMPRESSION
;
1360 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1361 die(_("bad pack compression level %d"), level
);
1362 pack_compression_level
= level
;
1363 pack_compression_seen
= 1;
1367 /* Add other config variables here and to Documentation/config.txt. */
1372 * All source specific fields in the union, die_on_error, name and the callbacks
1373 * fgetc, ungetc, ftell of top need to be initialized before calling
1376 static int do_config_from(struct config_source
*top
, config_fn_t fn
, void *data
)
1380 /* push config-file parsing state stack */
1384 strbuf_init(&top
->value
, 1024);
1385 strbuf_init(&top
->var
, 1024);
1388 ret
= git_parse_source(fn
, data
);
1390 /* pop config-file parsing state stack */
1391 strbuf_release(&top
->value
);
1392 strbuf_release(&top
->var
);
1398 static int do_config_from_file(config_fn_t fn
,
1399 const enum config_origin_type origin_type
,
1400 const char *name
, const char *path
, FILE *f
,
1403 struct config_source top
;
1406 top
.origin_type
= origin_type
;
1409 top
.die_on_error
= 1;
1410 top
.do_fgetc
= config_file_fgetc
;
1411 top
.do_ungetc
= config_file_ungetc
;
1412 top
.do_ftell
= config_file_ftell
;
1414 return do_config_from(&top
, fn
, data
);
1417 static int git_config_from_stdin(config_fn_t fn
, void *data
)
1419 return do_config_from_file(fn
, CONFIG_ORIGIN_STDIN
, "", NULL
, stdin
, data
);
1422 int git_config_from_file(config_fn_t fn
, const char *filename
, void *data
)
1427 f
= fopen(filename
, "r");
1430 ret
= do_config_from_file(fn
, CONFIG_ORIGIN_FILE
, filename
, filename
, f
, data
);
1437 int git_config_from_mem(config_fn_t fn
, const enum config_origin_type origin_type
,
1438 const char *name
, const char *buf
, size_t len
, void *data
)
1440 struct config_source top
;
1442 top
.u
.buf
.buf
= buf
;
1443 top
.u
.buf
.len
= len
;
1445 top
.origin_type
= origin_type
;
1448 top
.die_on_error
= 0;
1449 top
.do_fgetc
= config_buf_fgetc
;
1450 top
.do_ungetc
= config_buf_ungetc
;
1451 top
.do_ftell
= config_buf_ftell
;
1453 return do_config_from(&top
, fn
, data
);
1456 int git_config_from_blob_sha1(config_fn_t fn
,
1458 const unsigned char *sha1
,
1461 enum object_type type
;
1466 buf
= read_sha1_file(sha1
, &type
, &size
);
1468 return error("unable to load config blob object '%s'", name
);
1469 if (type
!= OBJ_BLOB
) {
1471 return error("reference '%s' does not point to a blob", name
);
1474 ret
= git_config_from_mem(fn
, CONFIG_ORIGIN_BLOB
, name
, buf
, size
, data
);
1480 static int git_config_from_blob_ref(config_fn_t fn
,
1484 unsigned char sha1
[20];
1486 if (get_sha1(name
, sha1
) < 0)
1487 return error("unable to resolve config blob '%s'", name
);
1488 return git_config_from_blob_sha1(fn
, name
, sha1
, data
);
1491 const char *git_etc_gitconfig(void)
1493 static const char *system_wide
;
1495 system_wide
= system_path(ETC_GITCONFIG
);
1500 * Parse environment variable 'k' as a boolean (in various
1501 * possible spellings); if missing, use the default value 'def'.
1503 int git_env_bool(const char *k
, int def
)
1505 const char *v
= getenv(k
);
1506 return v
? git_config_bool(k
, v
) : def
;
1510 * Parse environment variable 'k' as ulong with possibly a unit
1511 * suffix; if missing, use the default value 'val'.
1513 unsigned long git_env_ulong(const char *k
, unsigned long val
)
1515 const char *v
= getenv(k
);
1516 if (v
&& !git_parse_ulong(v
, &val
))
1517 die("failed to parse %s", k
);
1521 int git_config_system(void)
1523 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
1526 static int do_git_config_sequence(const struct config_options
*opts
,
1527 config_fn_t fn
, void *data
)
1530 char *xdg_config
= xdg_config_home("config");
1531 char *user_config
= expand_user_path("~/.gitconfig", 0);
1534 if (opts
->commondir
)
1535 repo_config
= mkpathdup("%s/config", opts
->commondir
);
1536 else if (have_git_dir())
1537 repo_config
= git_pathdup("config");
1541 current_parsing_scope
= CONFIG_SCOPE_SYSTEM
;
1542 if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK
, 0))
1543 ret
+= git_config_from_file(fn
, git_etc_gitconfig(),
1546 current_parsing_scope
= CONFIG_SCOPE_GLOBAL
;
1547 if (xdg_config
&& !access_or_die(xdg_config
, R_OK
, ACCESS_EACCES_OK
))
1548 ret
+= git_config_from_file(fn
, xdg_config
, data
);
1550 if (user_config
&& !access_or_die(user_config
, R_OK
, ACCESS_EACCES_OK
))
1551 ret
+= git_config_from_file(fn
, user_config
, data
);
1553 current_parsing_scope
= CONFIG_SCOPE_REPO
;
1554 if (repo_config
&& !access_or_die(repo_config
, R_OK
, 0))
1555 ret
+= git_config_from_file(fn
, repo_config
, data
);
1557 current_parsing_scope
= CONFIG_SCOPE_CMDLINE
;
1558 if (git_config_from_parameters(fn
, data
) < 0)
1559 die(_("unable to parse command-line config"));
1561 current_parsing_scope
= CONFIG_SCOPE_UNKNOWN
;
1568 int git_config_with_options(config_fn_t fn
, void *data
,
1569 struct git_config_source
*config_source
,
1570 const struct config_options
*opts
)
1572 struct config_include_data inc
= CONFIG_INCLUDE_INIT
;
1574 if (opts
->respect_includes
) {
1578 fn
= git_config_include
;
1583 * If we have a specific filename, use it. Otherwise, follow the
1584 * regular lookup sequence.
1586 if (config_source
&& config_source
->use_stdin
)
1587 return git_config_from_stdin(fn
, data
);
1588 else if (config_source
&& config_source
->file
)
1589 return git_config_from_file(fn
, config_source
->file
, data
);
1590 else if (config_source
&& config_source
->blob
)
1591 return git_config_from_blob_ref(fn
, config_source
->blob
, data
);
1593 return do_git_config_sequence(opts
, fn
, data
);
1596 static void git_config_raw(config_fn_t fn
, void *data
)
1598 struct config_options opts
= {0};
1600 opts
.respect_includes
= 1;
1601 if (git_config_with_options(fn
, data
, NULL
, &opts
) < 0)
1603 * git_config_with_options() normally returns only
1604 * zero, as most errors are fatal, and
1605 * non-fatal potential errors are guarded by "if"
1606 * statements that are entered only when no error is
1609 * If we ever encounter a non-fatal error, it means
1610 * something went really wrong and we should stop
1613 die(_("unknown error occurred while reading the configuration files"));
1616 static void configset_iter(struct config_set
*cs
, config_fn_t fn
, void *data
)
1619 struct string_list
*values
;
1620 struct config_set_element
*entry
;
1621 struct configset_list
*list
= &cs
->list
;
1623 for (i
= 0; i
< list
->nr
; i
++) {
1624 entry
= list
->items
[i
].e
;
1625 value_index
= list
->items
[i
].value_index
;
1626 values
= &entry
->value_list
;
1628 current_config_kvi
= values
->items
[value_index
].util
;
1630 if (fn(entry
->key
, values
->items
[value_index
].string
, data
) < 0)
1631 git_die_config_linenr(entry
->key
,
1632 current_config_kvi
->filename
,
1633 current_config_kvi
->linenr
);
1635 current_config_kvi
= NULL
;
1639 void read_early_config(config_fn_t cb
, void *data
)
1641 struct config_options opts
= {0};
1642 struct strbuf commondir
= STRBUF_INIT
;
1643 struct strbuf gitdir
= STRBUF_INIT
;
1645 opts
.respect_includes
= 1;
1647 if (have_git_dir()) {
1648 opts
.commondir
= get_git_common_dir();
1649 opts
.git_dir
= get_git_dir();
1651 * When setup_git_directory() was not yet asked to discover the
1652 * GIT_DIR, we ask discover_git_directory() to figure out whether there
1653 * is any repository config we should use (but unlike
1654 * setup_git_directory_gently(), no global state is changed, most
1655 * notably, the current working directory is still the same after the
1658 } else if (!discover_git_directory(&commondir
, &gitdir
)) {
1659 opts
.commondir
= commondir
.buf
;
1660 opts
.git_dir
= gitdir
.buf
;
1663 git_config_with_options(cb
, data
, NULL
, &opts
);
1665 strbuf_release(&commondir
);
1666 strbuf_release(&gitdir
);
1669 static void git_config_check_init(void);
1671 void git_config(config_fn_t fn
, void *data
)
1673 git_config_check_init();
1674 configset_iter(&the_config_set
, fn
, data
);
1677 static struct config_set_element
*configset_find_element(struct config_set
*cs
, const char *key
)
1679 struct config_set_element k
;
1680 struct config_set_element
*found_entry
;
1681 char *normalized_key
;
1683 * `key` may come from the user, so normalize it before using it
1684 * for querying entries from the hashmap.
1686 if (git_config_parse_key(key
, &normalized_key
, NULL
))
1689 hashmap_entry_init(&k
, strhash(normalized_key
));
1690 k
.key
= normalized_key
;
1691 found_entry
= hashmap_get(&cs
->config_hash
, &k
, NULL
);
1692 free(normalized_key
);
1696 static int configset_add_value(struct config_set
*cs
, const char *key
, const char *value
)
1698 struct config_set_element
*e
;
1699 struct string_list_item
*si
;
1700 struct configset_list_item
*l_item
;
1701 struct key_value_info
*kv_info
= xmalloc(sizeof(*kv_info
));
1703 e
= configset_find_element(cs
, key
);
1705 * Since the keys are being fed by git_config*() callback mechanism, they
1706 * are already normalized. So simply add them without any further munging.
1709 e
= xmalloc(sizeof(*e
));
1710 hashmap_entry_init(e
, strhash(key
));
1711 e
->key
= xstrdup(key
);
1712 string_list_init(&e
->value_list
, 1);
1713 hashmap_add(&cs
->config_hash
, e
);
1715 si
= string_list_append_nodup(&e
->value_list
, xstrdup_or_null(value
));
1717 ALLOC_GROW(cs
->list
.items
, cs
->list
.nr
+ 1, cs
->list
.alloc
);
1718 l_item
= &cs
->list
.items
[cs
->list
.nr
++];
1720 l_item
->value_index
= e
->value_list
.nr
- 1;
1723 die("BUG: configset_add_value has no source");
1725 kv_info
->filename
= strintern(cf
->name
);
1726 kv_info
->linenr
= cf
->linenr
;
1727 kv_info
->origin_type
= cf
->origin_type
;
1729 /* for values read from `git_config_from_parameters()` */
1730 kv_info
->filename
= NULL
;
1731 kv_info
->linenr
= -1;
1732 kv_info
->origin_type
= CONFIG_ORIGIN_CMDLINE
;
1734 kv_info
->scope
= current_parsing_scope
;
1740 static int config_set_element_cmp(const struct config_set_element
*e1
,
1741 const struct config_set_element
*e2
, const void *unused
)
1743 return strcmp(e1
->key
, e2
->key
);
1746 void git_configset_init(struct config_set
*cs
)
1748 hashmap_init(&cs
->config_hash
, (hashmap_cmp_fn
)config_set_element_cmp
, 0);
1749 cs
->hash_initialized
= 1;
1752 cs
->list
.items
= NULL
;
1755 void git_configset_clear(struct config_set
*cs
)
1757 struct config_set_element
*entry
;
1758 struct hashmap_iter iter
;
1759 if (!cs
->hash_initialized
)
1762 hashmap_iter_init(&cs
->config_hash
, &iter
);
1763 while ((entry
= hashmap_iter_next(&iter
))) {
1765 string_list_clear(&entry
->value_list
, 1);
1767 hashmap_free(&cs
->config_hash
, 1);
1768 cs
->hash_initialized
= 0;
1769 free(cs
->list
.items
);
1772 cs
->list
.items
= NULL
;
1775 static int config_set_callback(const char *key
, const char *value
, void *cb
)
1777 struct config_set
*cs
= cb
;
1778 configset_add_value(cs
, key
, value
);
1782 int git_configset_add_file(struct config_set
*cs
, const char *filename
)
1784 return git_config_from_file(config_set_callback
, filename
, cs
);
1787 int git_configset_get_value(struct config_set
*cs
, const char *key
, const char **value
)
1789 const struct string_list
*values
= NULL
;
1791 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
1792 * queried key in the files of the configset, the value returned will be the last
1793 * value in the value list for that key.
1795 values
= git_configset_get_value_multi(cs
, key
);
1799 assert(values
->nr
> 0);
1800 *value
= values
->items
[values
->nr
- 1].string
;
1804 const struct string_list
*git_configset_get_value_multi(struct config_set
*cs
, const char *key
)
1806 struct config_set_element
*e
= configset_find_element(cs
, key
);
1807 return e
? &e
->value_list
: NULL
;
1810 int git_configset_get_string_const(struct config_set
*cs
, const char *key
, const char **dest
)
1813 if (!git_configset_get_value(cs
, key
, &value
))
1814 return git_config_string(dest
, key
, value
);
1819 int git_configset_get_string(struct config_set
*cs
, const char *key
, char **dest
)
1821 return git_configset_get_string_const(cs
, key
, (const char **)dest
);
1824 int git_configset_get_int(struct config_set
*cs
, const char *key
, int *dest
)
1827 if (!git_configset_get_value(cs
, key
, &value
)) {
1828 *dest
= git_config_int(key
, value
);
1834 int git_configset_get_ulong(struct config_set
*cs
, const char *key
, unsigned long *dest
)
1837 if (!git_configset_get_value(cs
, key
, &value
)) {
1838 *dest
= git_config_ulong(key
, value
);
1844 int git_configset_get_bool(struct config_set
*cs
, const char *key
, int *dest
)
1847 if (!git_configset_get_value(cs
, key
, &value
)) {
1848 *dest
= git_config_bool(key
, value
);
1854 int git_configset_get_bool_or_int(struct config_set
*cs
, const char *key
,
1855 int *is_bool
, int *dest
)
1858 if (!git_configset_get_value(cs
, key
, &value
)) {
1859 *dest
= git_config_bool_or_int(key
, value
, is_bool
);
1865 int git_configset_get_maybe_bool(struct config_set
*cs
, const char *key
, int *dest
)
1868 if (!git_configset_get_value(cs
, key
, &value
)) {
1869 *dest
= git_config_maybe_bool(key
, value
);
1877 int git_configset_get_pathname(struct config_set
*cs
, const char *key
, const char **dest
)
1880 if (!git_configset_get_value(cs
, key
, &value
))
1881 return git_config_pathname(dest
, key
, value
);
1886 static void git_config_check_init(void)
1888 if (the_config_set
.hash_initialized
)
1890 git_configset_init(&the_config_set
);
1891 git_config_raw(config_set_callback
, &the_config_set
);
1894 void git_config_clear(void)
1896 if (!the_config_set
.hash_initialized
)
1898 git_configset_clear(&the_config_set
);
1901 int git_config_get_value(const char *key
, const char **value
)
1903 git_config_check_init();
1904 return git_configset_get_value(&the_config_set
, key
, value
);
1907 const struct string_list
*git_config_get_value_multi(const char *key
)
1909 git_config_check_init();
1910 return git_configset_get_value_multi(&the_config_set
, key
);
1913 int git_config_get_string_const(const char *key
, const char **dest
)
1916 git_config_check_init();
1917 ret
= git_configset_get_string_const(&the_config_set
, key
, dest
);
1919 git_die_config(key
, NULL
);
1923 int git_config_get_string(const char *key
, char **dest
)
1925 git_config_check_init();
1926 return git_config_get_string_const(key
, (const char **)dest
);
1929 int git_config_get_int(const char *key
, int *dest
)
1931 git_config_check_init();
1932 return git_configset_get_int(&the_config_set
, key
, dest
);
1935 int git_config_get_ulong(const char *key
, unsigned long *dest
)
1937 git_config_check_init();
1938 return git_configset_get_ulong(&the_config_set
, key
, dest
);
1941 int git_config_get_bool(const char *key
, int *dest
)
1943 git_config_check_init();
1944 return git_configset_get_bool(&the_config_set
, key
, dest
);
1947 int git_config_get_bool_or_int(const char *key
, int *is_bool
, int *dest
)
1949 git_config_check_init();
1950 return git_configset_get_bool_or_int(&the_config_set
, key
, is_bool
, dest
);
1953 int git_config_get_maybe_bool(const char *key
, int *dest
)
1955 git_config_check_init();
1956 return git_configset_get_maybe_bool(&the_config_set
, key
, dest
);
1959 int git_config_get_pathname(const char *key
, const char **dest
)
1962 git_config_check_init();
1963 ret
= git_configset_get_pathname(&the_config_set
, key
, dest
);
1965 git_die_config(key
, NULL
);
1969 int git_config_get_expiry(const char *key
, const char **output
)
1971 int ret
= git_config_get_string_const(key
, output
);
1974 if (strcmp(*output
, "now")) {
1975 unsigned long now
= approxidate("now");
1976 if (approxidate(*output
) >= now
)
1977 git_die_config(key
, _("Invalid %s: '%s'"), key
, *output
);
1982 int git_config_get_untracked_cache(void)
1987 /* Hack for test programs like test-dump-untracked-cache */
1988 if (ignore_untracked_cache_config
)
1991 if (!git_config_get_maybe_bool("core.untrackedcache", &val
))
1994 if (!git_config_get_value("core.untrackedcache", &v
)) {
1995 if (!strcasecmp(v
, "keep"))
1998 error(_("unknown core.untrackedCache value '%s'; "
1999 "using 'keep' default value"), v
);
2003 return -1; /* default value */
2006 int git_config_get_split_index(void)
2010 if (!git_config_get_maybe_bool("core.splitindex", &val
))
2013 return -1; /* default value */
2016 int git_config_get_max_percent_split_change(void)
2020 if (!git_config_get_int("splitindex.maxpercentchange", &val
)) {
2021 if (0 <= val
&& val
<= 100)
2024 return error(_("splitIndex.maxPercentChange value '%d' "
2025 "should be between 0 and 100"), val
);
2028 return -1; /* default value */
2032 void git_die_config_linenr(const char *key
, const char *filename
, int linenr
)
2035 die(_("unable to parse '%s' from command-line config"), key
);
2037 die(_("bad config variable '%s' in file '%s' at line %d"),
2038 key
, filename
, linenr
);
2041 NORETURN
__attribute__((format(printf
, 2, 3)))
2042 void git_die_config(const char *key
, const char *err
, ...)
2044 const struct string_list
*values
;
2045 struct key_value_info
*kv_info
;
2049 va_start(params
, err
);
2050 vreportf("error: ", err
, params
);
2053 values
= git_config_get_value_multi(key
);
2054 kv_info
= values
->items
[values
->nr
- 1].util
;
2055 git_die_config_linenr(key
, kv_info
->filename
, kv_info
->linenr
);
2059 * Find all the stuff for git_config_set() below.
2066 regex_t
*value_regex
;
2069 unsigned int offset_alloc
;
2070 enum { START
, SECTION_SEEN
, SECTION_END_SEEN
, KEY_SEEN
} state
;
2074 static int matches(const char *key
, const char *value
)
2076 if (strcmp(key
, store
.key
))
2077 return 0; /* not ours */
2078 if (!store
.value_regex
)
2079 return 1; /* always matches */
2080 if (store
.value_regex
== CONFIG_REGEX_NONE
)
2081 return 0; /* never matches */
2083 return store
.do_not_match
^
2084 (value
&& !regexec(store
.value_regex
, value
, 0, NULL
, 0));
2087 static int store_aux(const char *key
, const char *value
, void *cb
)
2092 switch (store
.state
) {
2094 if (matches(key
, value
)) {
2095 if (store
.seen
== 1 && store
.multi_replace
== 0) {
2096 warning(_("%s has multiple values"), key
);
2099 ALLOC_GROW(store
.offset
, store
.seen
+ 1,
2100 store
.offset_alloc
);
2102 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
2108 * What we are looking for is in store.key (both
2109 * section and var), and its section part is baselen
2110 * long. We found key (again, both section and var).
2111 * We would want to know if this key is in the same
2112 * section as what we are looking for. We already
2113 * know we are in the same section as what should
2116 ep
= strrchr(key
, '.');
2117 section_len
= ep
- key
;
2119 if ((section_len
!= store
.baselen
) ||
2120 memcmp(key
, store
.key
, section_len
+1)) {
2121 store
.state
= SECTION_END_SEEN
;
2126 * Do not increment matches: this is no match, but we
2127 * just made sure we are in the desired section.
2129 ALLOC_GROW(store
.offset
, store
.seen
+ 1,
2130 store
.offset_alloc
);
2131 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
2133 case SECTION_END_SEEN
:
2135 if (matches(key
, value
)) {
2136 ALLOC_GROW(store
.offset
, store
.seen
+ 1,
2137 store
.offset_alloc
);
2138 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
2139 store
.state
= KEY_SEEN
;
2142 if (strrchr(key
, '.') - key
== store
.baselen
&&
2143 !strncmp(key
, store
.key
, store
.baselen
)) {
2144 store
.state
= SECTION_SEEN
;
2145 ALLOC_GROW(store
.offset
,
2147 store
.offset_alloc
);
2148 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
2155 static int write_error(const char *filename
)
2157 error("failed to write new configuration file %s", filename
);
2159 /* Same error code as "failed to rename". */
2163 static int store_write_section(int fd
, const char *key
)
2167 struct strbuf sb
= STRBUF_INIT
;
2169 dot
= memchr(key
, '.', store
.baselen
);
2171 strbuf_addf(&sb
, "[%.*s \"", (int)(dot
- key
), key
);
2172 for (i
= dot
- key
+ 1; i
< store
.baselen
; i
++) {
2173 if (key
[i
] == '"' || key
[i
] == '\\')
2174 strbuf_addch(&sb
, '\\');
2175 strbuf_addch(&sb
, key
[i
]);
2177 strbuf_addstr(&sb
, "\"]\n");
2179 strbuf_addf(&sb
, "[%.*s]\n", store
.baselen
, key
);
2182 success
= write_in_full(fd
, sb
.buf
, sb
.len
) == sb
.len
;
2183 strbuf_release(&sb
);
2188 static int store_write_pair(int fd
, const char *key
, const char *value
)
2191 int length
= strlen(key
+ store
.baselen
+ 1);
2192 const char *quote
= "";
2193 struct strbuf sb
= STRBUF_INIT
;
2196 * Check to see if the value needs to be surrounded with a dq pair.
2197 * Note that problematic characters are always backslash-quoted; this
2198 * check is about not losing leading or trailing SP and strings that
2199 * follow beginning-of-comment characters (i.e. ';' and '#') by the
2200 * configuration parser.
2202 if (value
[0] == ' ')
2204 for (i
= 0; value
[i
]; i
++)
2205 if (value
[i
] == ';' || value
[i
] == '#')
2207 if (i
&& value
[i
- 1] == ' ')
2210 strbuf_addf(&sb
, "\t%.*s = %s",
2211 length
, key
+ store
.baselen
+ 1, quote
);
2213 for (i
= 0; value
[i
]; i
++)
2216 strbuf_addstr(&sb
, "\\n");
2219 strbuf_addstr(&sb
, "\\t");
2223 strbuf_addch(&sb
, '\\');
2225 strbuf_addch(&sb
, value
[i
]);
2228 strbuf_addf(&sb
, "%s\n", quote
);
2230 success
= write_in_full(fd
, sb
.buf
, sb
.len
) == sb
.len
;
2231 strbuf_release(&sb
);
2236 static ssize_t
find_beginning_of_line(const char *contents
, size_t size
,
2237 size_t offset_
, int *found_bracket
)
2239 size_t equal_offset
= size
, bracket_offset
= size
;
2243 for (offset
= offset_
-2; offset
> 0
2244 && contents
[offset
] != '\n'; offset
--)
2245 switch (contents
[offset
]) {
2246 case '=': equal_offset
= offset
; break;
2247 case ']': bracket_offset
= offset
; break;
2249 if (offset
> 0 && contents
[offset
-1] == '\\') {
2253 if (bracket_offset
< equal_offset
) {
2255 offset
= bracket_offset
+1;
2262 int git_config_set_in_file_gently(const char *config_filename
,
2263 const char *key
, const char *value
)
2265 return git_config_set_multivar_in_file_gently(config_filename
, key
, value
, NULL
, 0);
2268 void git_config_set_in_file(const char *config_filename
,
2269 const char *key
, const char *value
)
2271 git_config_set_multivar_in_file(config_filename
, key
, value
, NULL
, 0);
2274 int git_config_set_gently(const char *key
, const char *value
)
2276 return git_config_set_multivar_gently(key
, value
, NULL
, 0);
2279 void git_config_set(const char *key
, const char *value
)
2281 git_config_set_multivar(key
, value
, NULL
, 0);
2285 * If value==NULL, unset in (remove from) config,
2286 * if value_regex!=NULL, disregard key/value pairs where value does not match.
2287 * if value_regex==CONFIG_REGEX_NONE, do not match any existing values
2288 * (only add a new one)
2289 * if multi_replace==0, nothing, or only one matching key/value is replaced,
2290 * else all matching key/values (regardless how many) are removed,
2291 * before the new pair is written.
2293 * Returns 0 on success.
2295 * This function does this:
2297 * - it locks the config file by creating ".git/config.lock"
2299 * - it then parses the config using store_aux() as validator to find
2300 * the position on the key/value pair to replace. If it is to be unset,
2301 * it must be found exactly once.
2303 * - the config file is mmap()ed and the part before the match (if any) is
2304 * written to the lock file, then the changed part and the rest.
2306 * - the config file is removed and the lock file rename()d to it.
2309 int git_config_set_multivar_in_file_gently(const char *config_filename
,
2310 const char *key
, const char *value
,
2311 const char *value_regex
,
2314 int fd
= -1, in_fd
= -1;
2316 struct lock_file
*lock
= NULL
;
2317 char *filename_buf
= NULL
;
2318 char *contents
= NULL
;
2321 /* parse-key returns negative; flip the sign to feed exit(3) */
2322 ret
= 0 - git_config_parse_key(key
, &store
.key
, &store
.baselen
);
2326 store
.multi_replace
= multi_replace
;
2328 if (!config_filename
)
2329 config_filename
= filename_buf
= git_pathdup("config");
2332 * The lock serves a purpose in addition to locking: the new
2333 * contents of .git/config will be written into it.
2335 lock
= xcalloc(1, sizeof(struct lock_file
));
2336 fd
= hold_lock_file_for_update(lock
, config_filename
, 0);
2338 error_errno("could not lock config file %s", config_filename
);
2340 ret
= CONFIG_NO_LOCK
;
2345 * If .git/config does not exist yet, write a minimal version.
2347 in_fd
= open(config_filename
, O_RDONLY
);
2351 if ( ENOENT
!= errno
) {
2352 error_errno("opening %s", config_filename
);
2353 ret
= CONFIG_INVALID_FILE
; /* same as "invalid config file" */
2356 /* if nothing to unset, error out */
2357 if (value
== NULL
) {
2358 ret
= CONFIG_NOTHING_SET
;
2362 store
.key
= (char *)key
;
2363 if (!store_write_section(fd
, key
) ||
2364 !store_write_pair(fd
, key
, value
))
2368 size_t copy_begin
, copy_end
;
2369 int i
, new_line
= 0;
2371 if (value_regex
== NULL
)
2372 store
.value_regex
= NULL
;
2373 else if (value_regex
== CONFIG_REGEX_NONE
)
2374 store
.value_regex
= CONFIG_REGEX_NONE
;
2376 if (value_regex
[0] == '!') {
2377 store
.do_not_match
= 1;
2380 store
.do_not_match
= 0;
2382 store
.value_regex
= (regex_t
*)xmalloc(sizeof(regex_t
));
2383 if (regcomp(store
.value_regex
, value_regex
,
2385 error("invalid pattern: %s", value_regex
);
2386 free(store
.value_regex
);
2387 ret
= CONFIG_INVALID_PATTERN
;
2392 ALLOC_GROW(store
.offset
, 1, store
.offset_alloc
);
2393 store
.offset
[0] = 0;
2394 store
.state
= START
;
2398 * After this, store.offset will contain the *end* offset
2399 * of the last match, or remain at 0 if no match was found.
2400 * As a side effect, we make sure to transform only a valid
2401 * existing config file.
2403 if (git_config_from_file(store_aux
, config_filename
, NULL
)) {
2404 error("invalid config file %s", config_filename
);
2406 if (store
.value_regex
!= NULL
&&
2407 store
.value_regex
!= CONFIG_REGEX_NONE
) {
2408 regfree(store
.value_regex
);
2409 free(store
.value_regex
);
2411 ret
= CONFIG_INVALID_FILE
;
2416 if (store
.value_regex
!= NULL
&&
2417 store
.value_regex
!= CONFIG_REGEX_NONE
) {
2418 regfree(store
.value_regex
);
2419 free(store
.value_regex
);
2422 /* if nothing to unset, or too many matches, error out */
2423 if ((store
.seen
== 0 && value
== NULL
) ||
2424 (store
.seen
> 1 && multi_replace
== 0)) {
2425 ret
= CONFIG_NOTHING_SET
;
2429 if (fstat(in_fd
, &st
) == -1) {
2430 error_errno(_("fstat on %s failed"), config_filename
);
2431 ret
= CONFIG_INVALID_FILE
;
2435 contents_sz
= xsize_t(st
.st_size
);
2436 contents
= xmmap_gently(NULL
, contents_sz
, PROT_READ
,
2437 MAP_PRIVATE
, in_fd
, 0);
2438 if (contents
== MAP_FAILED
) {
2439 if (errno
== ENODEV
&& S_ISDIR(st
.st_mode
))
2441 error_errno("unable to mmap '%s'", config_filename
);
2442 ret
= CONFIG_INVALID_FILE
;
2449 if (chmod(get_lock_file_path(lock
), st
.st_mode
& 07777) < 0) {
2450 error_errno("chmod on %s failed", get_lock_file_path(lock
));
2451 ret
= CONFIG_NO_WRITE
;
2455 if (store
.seen
== 0)
2458 for (i
= 0, copy_begin
= 0; i
< store
.seen
; i
++) {
2459 if (store
.offset
[i
] == 0) {
2460 store
.offset
[i
] = copy_end
= contents_sz
;
2461 } else if (store
.state
!= KEY_SEEN
) {
2462 copy_end
= store
.offset
[i
];
2464 copy_end
= find_beginning_of_line(
2465 contents
, contents_sz
,
2466 store
.offset
[i
]-2, &new_line
);
2468 if (copy_end
> 0 && contents
[copy_end
-1] != '\n')
2471 /* write the first part of the config */
2472 if (copy_end
> copy_begin
) {
2473 if (write_in_full(fd
, contents
+ copy_begin
,
2474 copy_end
- copy_begin
) <
2475 copy_end
- copy_begin
)
2478 write_str_in_full(fd
, "\n") != 1)
2481 copy_begin
= store
.offset
[i
];
2484 /* write the pair (value == NULL means unset) */
2485 if (value
!= NULL
) {
2486 if (store
.state
== START
) {
2487 if (!store_write_section(fd
, key
))
2490 if (!store_write_pair(fd
, key
, value
))
2494 /* write the rest of the config */
2495 if (copy_begin
< contents_sz
)
2496 if (write_in_full(fd
, contents
+ copy_begin
,
2497 contents_sz
- copy_begin
) <
2498 contents_sz
- copy_begin
)
2501 munmap(contents
, contents_sz
);
2505 if (commit_lock_file(lock
) < 0) {
2506 error_errno("could not write config file %s", config_filename
);
2507 ret
= CONFIG_NO_WRITE
;
2513 * lock is committed, so don't try to roll it back below.
2514 * NOTE: Since lockfile.c keeps a linked list of all created
2515 * lock_file structures, it isn't safe to free(lock). It's
2516 * better to just leave it hanging around.
2521 /* Invalidate the config cache */
2526 rollback_lock_file(lock
);
2529 munmap(contents
, contents_sz
);
2535 ret
= write_error(get_lock_file_path(lock
));
2540 void git_config_set_multivar_in_file(const char *config_filename
,
2541 const char *key
, const char *value
,
2542 const char *value_regex
, int multi_replace
)
2544 if (!git_config_set_multivar_in_file_gently(config_filename
, key
, value
,
2545 value_regex
, multi_replace
))
2548 die(_("could not set '%s' to '%s'"), key
, value
);
2550 die(_("could not unset '%s'"), key
);
2553 int git_config_set_multivar_gently(const char *key
, const char *value
,
2554 const char *value_regex
, int multi_replace
)
2556 return git_config_set_multivar_in_file_gently(NULL
, key
, value
, value_regex
,
2560 void git_config_set_multivar(const char *key
, const char *value
,
2561 const char *value_regex
, int multi_replace
)
2563 git_config_set_multivar_in_file(NULL
, key
, value
, value_regex
,
2567 static int section_name_match (const char *buf
, const char *name
)
2569 int i
= 0, j
= 0, dot
= 0;
2572 for (i
= 1; buf
[i
] && buf
[i
] != ']'; i
++) {
2573 if (!dot
&& isspace(buf
[i
])) {
2575 if (name
[j
++] != '.')
2577 for (i
++; isspace(buf
[i
]); i
++)
2583 if (buf
[i
] == '\\' && dot
)
2585 else if (buf
[i
] == '"' && dot
) {
2586 for (i
++; isspace(buf
[i
]); i
++)
2590 if (buf
[i
] != name
[j
++])
2593 if (buf
[i
] == ']' && name
[j
] == 0) {
2595 * We match, now just find the right length offset by
2596 * gobbling up any whitespace after it, as well
2599 for (; buf
[i
] && isspace(buf
[i
]); i
++)
2606 static int section_name_is_ok(const char *name
)
2608 /* Empty section names are bogus. */
2613 * Before a dot, we must be alphanumeric or dash. After the first dot,
2614 * anything goes, so we can stop checking.
2616 for (; *name
&& *name
!= '.'; name
++)
2617 if (*name
!= '-' && !isalnum(*name
))
2622 /* if new_name == NULL, the section is removed instead */
2623 int git_config_rename_section_in_file(const char *config_filename
,
2624 const char *old_name
, const char *new_name
)
2626 int ret
= 0, remove
= 0;
2627 char *filename_buf
= NULL
;
2628 struct lock_file
*lock
;
2634 if (new_name
&& !section_name_is_ok(new_name
)) {
2635 ret
= error("invalid section name: %s", new_name
);
2636 goto out_no_rollback
;
2639 if (!config_filename
)
2640 config_filename
= filename_buf
= git_pathdup("config");
2642 lock
= xcalloc(1, sizeof(struct lock_file
));
2643 out_fd
= hold_lock_file_for_update(lock
, config_filename
, 0);
2645 ret
= error("could not lock config file %s", config_filename
);
2649 if (!(config_file
= fopen(config_filename
, "rb"))) {
2650 /* no config file means nothing to rename, no error */
2651 goto commit_and_out
;
2654 if (fstat(fileno(config_file
), &st
) == -1) {
2655 ret
= error_errno(_("fstat on %s failed"), config_filename
);
2659 if (chmod(get_lock_file_path(lock
), st
.st_mode
& 07777) < 0) {
2660 ret
= error_errno("chmod on %s failed",
2661 get_lock_file_path(lock
));
2665 while (fgets(buf
, sizeof(buf
), config_file
)) {
2669 for (i
= 0; buf
[i
] && isspace(buf
[i
]); i
++)
2671 if (buf
[i
] == '[') {
2672 /* it's a section */
2673 int offset
= section_name_match(&buf
[i
], old_name
);
2676 if (new_name
== NULL
) {
2680 store
.baselen
= strlen(new_name
);
2681 if (!store_write_section(out_fd
, new_name
)) {
2682 ret
= write_error(get_lock_file_path(lock
));
2686 * We wrote out the new section, with
2687 * a newline, now skip the old
2690 output
+= offset
+ i
;
2691 if (strlen(output
) > 0) {
2693 * More content means there's
2694 * a declaration to put on the
2695 * next line; indent with a
2706 length
= strlen(output
);
2707 if (write_in_full(out_fd
, output
, length
) != length
) {
2708 ret
= write_error(get_lock_file_path(lock
));
2712 fclose(config_file
);
2714 if (commit_lock_file(lock
) < 0)
2715 ret
= error_errno("could not write config file %s",
2718 rollback_lock_file(lock
);
2724 int git_config_rename_section(const char *old_name
, const char *new_name
)
2726 return git_config_rename_section_in_file(NULL
, old_name
, new_name
);
2730 * Call this to report error for your variable that should not
2731 * get a boolean value (i.e. "[my] var" means "true").
2733 #undef config_error_nonbool
2734 int config_error_nonbool(const char *var
)
2736 return error("missing value for '%s'", var
);
2739 int parse_config_key(const char *var
,
2740 const char *section
,
2741 const char **subsection
, int *subsection_len
,
2746 /* Does it start with "section." ? */
2747 if (!skip_prefix(var
, section
, &var
) || *var
!= '.')
2751 * Find the key; we don't know yet if we have a subsection, but we must
2752 * parse backwards from the end, since the subsection may have dots in
2755 dot
= strrchr(var
, '.');
2758 /* Did we have a subsection at all? */
2762 *subsection_len
= 0;
2768 *subsection
= var
+ 1;
2769 *subsection_len
= dot
- *subsection
;
2775 const char *current_config_origin_type(void)
2778 if (current_config_kvi
)
2779 type
= current_config_kvi
->origin_type
;
2781 type
= cf
->origin_type
;
2783 die("BUG: current_config_origin_type called outside config callback");
2786 case CONFIG_ORIGIN_BLOB
:
2788 case CONFIG_ORIGIN_FILE
:
2790 case CONFIG_ORIGIN_STDIN
:
2791 return "standard input";
2792 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
2793 return "submodule-blob";
2794 case CONFIG_ORIGIN_CMDLINE
:
2795 return "command line";
2797 die("BUG: unknown config origin type");
2801 const char *current_config_name(void)
2804 if (current_config_kvi
)
2805 name
= current_config_kvi
->filename
;
2809 die("BUG: current_config_name called outside config callback");
2810 return name
? name
: "";
2813 enum config_scope
current_config_scope(void)
2815 if (current_config_kvi
)
2816 return current_config_kvi
->scope
;
2818 return current_parsing_scope
;