2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Johannes Schindelin, 2005
13 #include "string-list.h"
15 struct config_source
{
16 struct config_source
*prev
;
33 int (*do_fgetc
)(struct config_source
*c
);
34 int (*do_ungetc
)(int c
, struct config_source
*conf
);
35 long (*do_ftell
)(struct config_source
*c
);
38 struct config_set_element
{
39 struct hashmap_entry ent
;
41 struct string_list value_list
;
44 static struct config_source
*cf
;
46 static int zlib_compression_seen
;
49 * Default config_set that contains key-value pairs from the usual set of config
50 * config files (i.e repo specific .git/config, user wide ~/.gitconfig, XDG
51 * config file and the global /etc/gitconfig)
53 static struct config_set the_config_set
;
55 static int config_file_fgetc(struct config_source
*conf
)
57 return fgetc(conf
->u
.file
);
60 static int config_file_ungetc(int c
, struct config_source
*conf
)
62 return ungetc(c
, conf
->u
.file
);
65 static long config_file_ftell(struct config_source
*conf
)
67 return ftell(conf
->u
.file
);
71 static int config_buf_fgetc(struct config_source
*conf
)
73 if (conf
->u
.buf
.pos
< conf
->u
.buf
.len
)
74 return conf
->u
.buf
.buf
[conf
->u
.buf
.pos
++];
79 static int config_buf_ungetc(int c
, struct config_source
*conf
)
81 if (conf
->u
.buf
.pos
> 0)
82 return conf
->u
.buf
.buf
[--conf
->u
.buf
.pos
];
87 static long config_buf_ftell(struct config_source
*conf
)
89 return conf
->u
.buf
.pos
;
92 #define MAX_INCLUDE_DEPTH 10
93 static const char include_depth_advice
[] =
94 "exceeded maximum include depth (%d) while including\n"
98 "Do you have circular includes?";
99 static int handle_path_include(const char *path
, struct config_include_data
*inc
)
102 struct strbuf buf
= STRBUF_INIT
;
106 return config_error_nonbool("include.path");
108 expanded
= expand_user_path(path
);
110 return error("Could not expand include path '%s'", path
);
114 * Use an absolute path as-is, but interpret relative paths
115 * based on the including config file.
117 if (!is_absolute_path(path
)) {
120 if (!cf
|| !cf
->path
)
121 return error("relative config includes must come from files");
123 slash
= find_last_dir_sep(cf
->path
);
125 strbuf_add(&buf
, cf
->path
, slash
- cf
->path
+ 1);
126 strbuf_addstr(&buf
, path
);
130 if (!access_or_die(path
, R_OK
, 0)) {
131 if (++inc
->depth
> MAX_INCLUDE_DEPTH
)
132 die(include_depth_advice
, MAX_INCLUDE_DEPTH
, path
,
133 cf
&& cf
->name
? cf
->name
: "the command line");
134 ret
= git_config_from_file(git_config_include
, path
, inc
);
137 strbuf_release(&buf
);
142 int git_config_include(const char *var
, const char *value
, void *data
)
144 struct config_include_data
*inc
= data
;
149 * Pass along all values, including "include" directives; this makes it
150 * possible to query information on the includes themselves.
152 ret
= inc
->fn(var
, value
, inc
->data
);
156 if (!skip_prefix(var
, "include.", &type
))
159 if (!strcmp(type
, "path"))
160 ret
= handle_path_include(value
, inc
);
164 void git_config_push_parameter(const char *text
)
166 struct strbuf env
= STRBUF_INIT
;
167 const char *old
= getenv(CONFIG_DATA_ENVIRONMENT
);
169 strbuf_addstr(&env
, old
);
170 strbuf_addch(&env
, ' ');
172 sq_quote_buf(&env
, text
);
173 setenv(CONFIG_DATA_ENVIRONMENT
, env
.buf
, 1);
174 strbuf_release(&env
);
177 int git_config_parse_parameter(const char *text
,
178 config_fn_t fn
, void *data
)
180 struct strbuf
**pair
;
181 pair
= strbuf_split_str(text
, '=', 2);
183 return error("bogus config parameter: %s", text
);
184 if (pair
[0]->len
&& pair
[0]->buf
[pair
[0]->len
- 1] == '=')
185 strbuf_setlen(pair
[0], pair
[0]->len
- 1);
186 strbuf_trim(pair
[0]);
188 strbuf_list_free(pair
);
189 return error("bogus config parameter: %s", text
);
191 strbuf_tolower(pair
[0]);
192 if (fn(pair
[0]->buf
, pair
[1] ? pair
[1]->buf
: NULL
, data
) < 0) {
193 strbuf_list_free(pair
);
196 strbuf_list_free(pair
);
200 int git_config_from_parameters(config_fn_t fn
, void *data
)
202 const char *env
= getenv(CONFIG_DATA_ENVIRONMENT
);
204 const char **argv
= NULL
;
205 int nr
= 0, alloc
= 0;
210 /* sq_dequote will write over it */
213 if (sq_dequote_to_argv(envw
, &argv
, &nr
, &alloc
) < 0) {
215 return error("bogus format in " CONFIG_DATA_ENVIRONMENT
);
218 for (i
= 0; i
< nr
; i
++) {
219 if (git_config_parse_parameter(argv
[i
], fn
, data
) < 0) {
231 static int get_next_char(void)
233 int c
= cf
->do_fgetc(cf
);
236 /* DOS like systems */
237 c
= cf
->do_fgetc(cf
);
239 cf
->do_ungetc(c
, cf
);
253 static char *parse_value(void)
255 int quote
= 0, comment
= 0, space
= 0;
257 strbuf_reset(&cf
->value
);
259 int c
= get_next_char();
265 return cf
->value
.buf
;
269 if (isspace(c
) && !quote
) {
275 if (c
== ';' || c
== '#') {
280 for (; space
; space
--)
281 strbuf_addch(&cf
->value
, ' ');
296 /* Some characters escape as themselves */
299 /* Reject unknown escape sequences */
303 strbuf_addch(&cf
->value
, c
);
310 strbuf_addch(&cf
->value
, c
);
314 static inline int iskeychar(int c
)
316 return isalnum(c
) || c
== '-';
319 static int get_value(config_fn_t fn
, void *data
, struct strbuf
*name
)
325 /* Get the full name */
332 strbuf_addch(name
, tolower(c
));
335 while (c
== ' ' || c
== '\t')
342 value
= parse_value();
347 * We already consumed the \n, but we need linenr to point to
348 * the line we just parsed during the call to fn to get
349 * accurate line number in error messages.
352 ret
= fn(name
->buf
, value
, data
);
357 static int get_extended_base_var(struct strbuf
*name
, int c
)
361 goto error_incomplete_line
;
363 } while (isspace(c
));
365 /* We require the format to be '[base "extension"]' */
368 strbuf_addch(name
, '.');
371 int c
= get_next_char();
373 goto error_incomplete_line
;
379 goto error_incomplete_line
;
381 strbuf_addch(name
, c
);
385 if (get_next_char() != ']')
388 error_incomplete_line
:
393 static int get_base_var(struct strbuf
*name
)
396 int c
= get_next_char();
402 return get_extended_base_var(name
, c
);
403 if (!iskeychar(c
) && c
!= '.')
405 strbuf_addch(name
, tolower(c
));
409 static int git_parse_source(config_fn_t fn
, void *data
)
413 struct strbuf
*var
= &cf
->var
;
415 /* U+FEFF Byte Order Mark in UTF8 */
416 static const unsigned char *utf8_bom
= (unsigned char *) "\xef\xbb\xbf";
417 const unsigned char *bomptr
= utf8_bom
;
420 int c
= get_next_char();
421 if (bomptr
&& *bomptr
) {
422 /* We are at the file beginning; skip UTF8-encoded BOM
423 * if present. Sane editors won't put this in on their
424 * own, but e.g. Windows Notepad will do it happily. */
425 if ((unsigned char) c
== *bomptr
) {
429 /* Do not tolerate partial BOM. */
430 if (bomptr
!= utf8_bom
)
432 /* No BOM at file beginning. Cool. */
442 if (comment
|| isspace(c
))
444 if (c
== '#' || c
== ';') {
449 /* Reset prior to determining a new stem */
451 if (get_base_var(var
) < 0 || var
->len
< 1)
453 strbuf_addch(var
, '.');
460 * Truncate the var name back to the section header
461 * stem prior to grabbing the suffix part of the name
464 strbuf_setlen(var
, baselen
);
465 strbuf_addch(var
, tolower(c
));
466 if (get_value(fn
, data
, var
) < 0)
469 if (cf
->die_on_error
)
470 die(_("bad config file line %d in %s"), cf
->linenr
, cf
->name
);
472 return error(_("bad config file line %d in %s"), cf
->linenr
, cf
->name
);
475 static int parse_unit_factor(const char *end
, uintmax_t *val
)
479 else if (!strcasecmp(end
, "k")) {
483 else if (!strcasecmp(end
, "m")) {
487 else if (!strcasecmp(end
, "g")) {
488 *val
*= 1024 * 1024 * 1024;
494 static int git_parse_signed(const char *value
, intmax_t *ret
, intmax_t max
)
496 if (value
&& *value
) {
500 uintmax_t factor
= 1;
503 val
= strtoimax(value
, &end
, 0);
506 if (!parse_unit_factor(end
, &factor
)) {
512 if (uval
> max
|| abs(val
) > uval
) {
524 static int git_parse_unsigned(const char *value
, uintmax_t *ret
, uintmax_t max
)
526 if (value
&& *value
) {
532 val
= strtoumax(value
, &end
, 0);
536 if (!parse_unit_factor(end
, &val
)) {
540 if (val
> max
|| oldval
> val
) {
551 static int git_parse_int(const char *value
, int *ret
)
554 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int)))
560 static int git_parse_int64(const char *value
, int64_t *ret
)
563 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int64_t)))
569 int git_parse_ulong(const char *value
, unsigned long *ret
)
572 if (!git_parse_unsigned(value
, &tmp
, maximum_unsigned_value_of_type(long)))
579 static void die_bad_number(const char *name
, const char *value
)
581 const char *reason
= errno
== ERANGE
?
588 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
589 value
, name
, cf
->name
, reason
);
590 die(_("bad numeric config value '%s' for '%s': %s"), value
, name
, reason
);
593 int git_config_int(const char *name
, const char *value
)
596 if (!git_parse_int(value
, &ret
))
597 die_bad_number(name
, value
);
601 int64_t git_config_int64(const char *name
, const char *value
)
604 if (!git_parse_int64(value
, &ret
))
605 die_bad_number(name
, value
);
609 unsigned long git_config_ulong(const char *name
, const char *value
)
612 if (!git_parse_ulong(value
, &ret
))
613 die_bad_number(name
, value
);
617 static int git_config_maybe_bool_text(const char *name
, const char *value
)
623 if (!strcasecmp(value
, "true")
624 || !strcasecmp(value
, "yes")
625 || !strcasecmp(value
, "on"))
627 if (!strcasecmp(value
, "false")
628 || !strcasecmp(value
, "no")
629 || !strcasecmp(value
, "off"))
634 int git_config_maybe_bool(const char *name
, const char *value
)
636 int v
= git_config_maybe_bool_text(name
, value
);
639 if (git_parse_int(value
, &v
))
644 int git_config_bool_or_int(const char *name
, const char *value
, int *is_bool
)
646 int v
= git_config_maybe_bool_text(name
, value
);
652 return git_config_int(name
, value
);
655 int git_config_bool(const char *name
, const char *value
)
658 return !!git_config_bool_or_int(name
, value
, &discard
);
661 int git_config_string(const char **dest
, const char *var
, const char *value
)
664 return config_error_nonbool(var
);
665 *dest
= xstrdup(value
);
669 int git_config_pathname(const char **dest
, const char *var
, const char *value
)
672 return config_error_nonbool(var
);
673 *dest
= expand_user_path(value
);
675 die(_("failed to expand user dir in: '%s'"), value
);
679 static int git_default_core_config(const char *var
, const char *value
)
681 /* This needs a better name */
682 if (!strcmp(var
, "core.filemode")) {
683 trust_executable_bit
= git_config_bool(var
, value
);
686 if (!strcmp(var
, "core.trustctime")) {
687 trust_ctime
= git_config_bool(var
, value
);
690 if (!strcmp(var
, "core.checkstat")) {
691 if (!strcasecmp(value
, "default"))
693 else if (!strcasecmp(value
, "minimal"))
697 if (!strcmp(var
, "core.quotepath")) {
698 quote_path_fully
= git_config_bool(var
, value
);
702 if (!strcmp(var
, "core.symlinks")) {
703 has_symlinks
= git_config_bool(var
, value
);
707 if (!strcmp(var
, "core.ignorecase")) {
708 ignore_case
= git_config_bool(var
, value
);
712 if (!strcmp(var
, "core.attributesfile"))
713 return git_config_pathname(&git_attributes_file
, var
, value
);
715 if (!strcmp(var
, "core.bare")) {
716 is_bare_repository_cfg
= git_config_bool(var
, value
);
720 if (!strcmp(var
, "core.ignorestat")) {
721 assume_unchanged
= git_config_bool(var
, value
);
725 if (!strcmp(var
, "core.prefersymlinkrefs")) {
726 prefer_symlink_refs
= git_config_bool(var
, value
);
730 if (!strcmp(var
, "core.logallrefupdates")) {
731 log_all_ref_updates
= git_config_bool(var
, value
);
735 if (!strcmp(var
, "core.warnambiguousrefs")) {
736 warn_ambiguous_refs
= git_config_bool(var
, value
);
740 if (!strcmp(var
, "core.abbrev")) {
741 int abbrev
= git_config_int(var
, value
);
742 if (abbrev
< minimum_abbrev
|| abbrev
> 40)
744 default_abbrev
= abbrev
;
748 if (!strcmp(var
, "core.loosecompression")) {
749 int level
= git_config_int(var
, value
);
751 level
= Z_DEFAULT_COMPRESSION
;
752 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
753 die(_("bad zlib compression level %d"), level
);
754 zlib_compression_level
= level
;
755 zlib_compression_seen
= 1;
759 if (!strcmp(var
, "core.compression")) {
760 int level
= git_config_int(var
, value
);
762 level
= Z_DEFAULT_COMPRESSION
;
763 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
764 die(_("bad zlib compression level %d"), level
);
765 core_compression_level
= level
;
766 core_compression_seen
= 1;
767 if (!zlib_compression_seen
)
768 zlib_compression_level
= level
;
772 if (!strcmp(var
, "core.packedgitwindowsize")) {
773 int pgsz_x2
= getpagesize() * 2;
774 packed_git_window_size
= git_config_ulong(var
, value
);
776 /* This value must be multiple of (pagesize * 2) */
777 packed_git_window_size
/= pgsz_x2
;
778 if (packed_git_window_size
< 1)
779 packed_git_window_size
= 1;
780 packed_git_window_size
*= pgsz_x2
;
784 if (!strcmp(var
, "core.bigfilethreshold")) {
785 big_file_threshold
= git_config_ulong(var
, value
);
789 if (!strcmp(var
, "core.packedgitlimit")) {
790 packed_git_limit
= git_config_ulong(var
, value
);
794 if (!strcmp(var
, "core.deltabasecachelimit")) {
795 delta_base_cache_limit
= git_config_ulong(var
, value
);
799 if (!strcmp(var
, "core.autocrlf")) {
800 if (value
&& !strcasecmp(value
, "input")) {
801 if (core_eol
== EOL_CRLF
)
802 return error("core.autocrlf=input conflicts with core.eol=crlf");
803 auto_crlf
= AUTO_CRLF_INPUT
;
806 auto_crlf
= git_config_bool(var
, value
);
810 if (!strcmp(var
, "core.safecrlf")) {
811 if (value
&& !strcasecmp(value
, "warn")) {
812 safe_crlf
= SAFE_CRLF_WARN
;
815 safe_crlf
= git_config_bool(var
, value
);
819 if (!strcmp(var
, "core.eol")) {
820 if (value
&& !strcasecmp(value
, "lf"))
822 else if (value
&& !strcasecmp(value
, "crlf"))
824 else if (value
&& !strcasecmp(value
, "native"))
825 core_eol
= EOL_NATIVE
;
827 core_eol
= EOL_UNSET
;
828 if (core_eol
== EOL_CRLF
&& auto_crlf
== AUTO_CRLF_INPUT
)
829 return error("core.autocrlf=input conflicts with core.eol=crlf");
833 if (!strcmp(var
, "core.notesref")) {
834 notes_ref_name
= xstrdup(value
);
838 if (!strcmp(var
, "core.pager"))
839 return git_config_string(&pager_program
, var
, value
);
841 if (!strcmp(var
, "core.editor"))
842 return git_config_string(&editor_program
, var
, value
);
844 if (!strcmp(var
, "core.commentchar")) {
846 int ret
= git_config_string(&comment
, var
, value
);
849 else if (!strcasecmp(comment
, "auto"))
850 auto_comment_line_char
= 1;
851 else if (comment
[0] && !comment
[1]) {
852 comment_line_char
= comment
[0];
853 auto_comment_line_char
= 0;
855 return error("core.commentChar should only be one character");
859 if (!strcmp(var
, "core.askpass"))
860 return git_config_string(&askpass_program
, var
, value
);
862 if (!strcmp(var
, "core.excludesfile"))
863 return git_config_pathname(&excludes_file
, var
, value
);
865 if (!strcmp(var
, "core.whitespace")) {
867 return config_error_nonbool(var
);
868 whitespace_rule_cfg
= parse_whitespace_rule(value
);
872 if (!strcmp(var
, "core.fsyncobjectfiles")) {
873 fsync_object_files
= git_config_bool(var
, value
);
877 if (!strcmp(var
, "core.preloadindex")) {
878 core_preload_index
= git_config_bool(var
, value
);
882 if (!strcmp(var
, "core.createobject")) {
883 if (!strcmp(value
, "rename"))
884 object_creation_mode
= OBJECT_CREATION_USES_RENAMES
;
885 else if (!strcmp(value
, "link"))
886 object_creation_mode
= OBJECT_CREATION_USES_HARDLINKS
;
888 die(_("invalid mode for object creation: %s"), value
);
892 if (!strcmp(var
, "core.sparsecheckout")) {
893 core_apply_sparse_checkout
= git_config_bool(var
, value
);
897 if (!strcmp(var
, "core.precomposeunicode")) {
898 precomposed_unicode
= git_config_bool(var
, value
);
902 /* Add other config variables here and to Documentation/config.txt. */
906 static int git_default_i18n_config(const char *var
, const char *value
)
908 if (!strcmp(var
, "i18n.commitencoding"))
909 return git_config_string(&git_commit_encoding
, var
, value
);
911 if (!strcmp(var
, "i18n.logoutputencoding"))
912 return git_config_string(&git_log_output_encoding
, var
, value
);
914 /* Add other config variables here and to Documentation/config.txt. */
918 static int git_default_branch_config(const char *var
, const char *value
)
920 if (!strcmp(var
, "branch.autosetupmerge")) {
921 if (value
&& !strcasecmp(value
, "always")) {
922 git_branch_track
= BRANCH_TRACK_ALWAYS
;
925 git_branch_track
= git_config_bool(var
, value
);
928 if (!strcmp(var
, "branch.autosetuprebase")) {
930 return config_error_nonbool(var
);
931 else if (!strcmp(value
, "never"))
932 autorebase
= AUTOREBASE_NEVER
;
933 else if (!strcmp(value
, "local"))
934 autorebase
= AUTOREBASE_LOCAL
;
935 else if (!strcmp(value
, "remote"))
936 autorebase
= AUTOREBASE_REMOTE
;
937 else if (!strcmp(value
, "always"))
938 autorebase
= AUTOREBASE_ALWAYS
;
940 return error("Malformed value for %s", var
);
944 /* Add other config variables here and to Documentation/config.txt. */
948 static int git_default_push_config(const char *var
, const char *value
)
950 if (!strcmp(var
, "push.default")) {
952 return config_error_nonbool(var
);
953 else if (!strcmp(value
, "nothing"))
954 push_default
= PUSH_DEFAULT_NOTHING
;
955 else if (!strcmp(value
, "matching"))
956 push_default
= PUSH_DEFAULT_MATCHING
;
957 else if (!strcmp(value
, "simple"))
958 push_default
= PUSH_DEFAULT_SIMPLE
;
959 else if (!strcmp(value
, "upstream"))
960 push_default
= PUSH_DEFAULT_UPSTREAM
;
961 else if (!strcmp(value
, "tracking")) /* deprecated */
962 push_default
= PUSH_DEFAULT_UPSTREAM
;
963 else if (!strcmp(value
, "current"))
964 push_default
= PUSH_DEFAULT_CURRENT
;
966 error("Malformed value for %s: %s", var
, value
);
967 return error("Must be one of nothing, matching, simple, "
968 "upstream or current.");
973 /* Add other config variables here and to Documentation/config.txt. */
977 static int git_default_mailmap_config(const char *var
, const char *value
)
979 if (!strcmp(var
, "mailmap.file"))
980 return git_config_pathname(&git_mailmap_file
, var
, value
);
981 if (!strcmp(var
, "mailmap.blob"))
982 return git_config_string(&git_mailmap_blob
, var
, value
);
984 /* Add other config variables here and to Documentation/config.txt. */
988 int git_default_config(const char *var
, const char *value
, void *dummy
)
990 if (starts_with(var
, "core."))
991 return git_default_core_config(var
, value
);
993 if (starts_with(var
, "user."))
994 return git_ident_config(var
, value
, dummy
);
996 if (starts_with(var
, "i18n."))
997 return git_default_i18n_config(var
, value
);
999 if (starts_with(var
, "branch."))
1000 return git_default_branch_config(var
, value
);
1002 if (starts_with(var
, "push."))
1003 return git_default_push_config(var
, value
);
1005 if (starts_with(var
, "mailmap."))
1006 return git_default_mailmap_config(var
, value
);
1008 if (starts_with(var
, "advice."))
1009 return git_default_advice_config(var
, value
);
1011 if (!strcmp(var
, "pager.color") || !strcmp(var
, "color.pager")) {
1012 pager_use_color
= git_config_bool(var
,value
);
1016 if (!strcmp(var
, "pack.packsizelimit")) {
1017 pack_size_limit_cfg
= git_config_ulong(var
, value
);
1020 /* Add other config variables here and to Documentation/config.txt. */
1025 * All source specific fields in the union, die_on_error, name and the callbacks
1026 * fgetc, ungetc, ftell of top need to be initialized before calling
1029 static int do_config_from(struct config_source
*top
, config_fn_t fn
, void *data
)
1033 /* push config-file parsing state stack */
1037 strbuf_init(&top
->value
, 1024);
1038 strbuf_init(&top
->var
, 1024);
1041 ret
= git_parse_source(fn
, data
);
1043 /* pop config-file parsing state stack */
1044 strbuf_release(&top
->value
);
1045 strbuf_release(&top
->var
);
1051 static int do_config_from_file(config_fn_t fn
,
1052 const char *name
, const char *path
, FILE *f
, void *data
)
1054 struct config_source top
;
1059 top
.die_on_error
= 1;
1060 top
.do_fgetc
= config_file_fgetc
;
1061 top
.do_ungetc
= config_file_ungetc
;
1062 top
.do_ftell
= config_file_ftell
;
1064 return do_config_from(&top
, fn
, data
);
1067 static int git_config_from_stdin(config_fn_t fn
, void *data
)
1069 return do_config_from_file(fn
, "<stdin>", NULL
, stdin
, data
);
1072 int git_config_from_file(config_fn_t fn
, const char *filename
, void *data
)
1077 f
= fopen(filename
, "r");
1079 ret
= do_config_from_file(fn
, filename
, filename
, f
, data
);
1085 int git_config_from_buf(config_fn_t fn
, const char *name
, const char *buf
,
1086 size_t len
, void *data
)
1088 struct config_source top
;
1090 top
.u
.buf
.buf
= buf
;
1091 top
.u
.buf
.len
= len
;
1095 top
.die_on_error
= 0;
1096 top
.do_fgetc
= config_buf_fgetc
;
1097 top
.do_ungetc
= config_buf_ungetc
;
1098 top
.do_ftell
= config_buf_ftell
;
1100 return do_config_from(&top
, fn
, data
);
1103 static int git_config_from_blob_sha1(config_fn_t fn
,
1105 const unsigned char *sha1
,
1108 enum object_type type
;
1113 buf
= read_sha1_file(sha1
, &type
, &size
);
1115 return error("unable to load config blob object '%s'", name
);
1116 if (type
!= OBJ_BLOB
) {
1118 return error("reference '%s' does not point to a blob", name
);
1121 ret
= git_config_from_buf(fn
, name
, buf
, size
, data
);
1127 static int git_config_from_blob_ref(config_fn_t fn
,
1131 unsigned char sha1
[20];
1133 if (get_sha1(name
, sha1
) < 0)
1134 return error("unable to resolve config blob '%s'", name
);
1135 return git_config_from_blob_sha1(fn
, name
, sha1
, data
);
1138 const char *git_etc_gitconfig(void)
1140 static const char *system_wide
;
1142 system_wide
= system_path(ETC_GITCONFIG
);
1146 int git_env_bool(const char *k
, int def
)
1148 const char *v
= getenv(k
);
1149 return v
? git_config_bool(k
, v
) : def
;
1152 int git_config_system(void)
1154 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
1157 int git_config_early(config_fn_t fn
, void *data
, const char *repo_config
)
1159 int ret
= 0, found
= 0;
1160 char *xdg_config
= NULL
;
1161 char *user_config
= NULL
;
1163 home_config_paths(&user_config
, &xdg_config
, "config");
1165 if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK
, 0)) {
1166 ret
+= git_config_from_file(fn
, git_etc_gitconfig(),
1171 if (xdg_config
&& !access_or_die(xdg_config
, R_OK
, ACCESS_EACCES_OK
)) {
1172 ret
+= git_config_from_file(fn
, xdg_config
, data
);
1176 if (user_config
&& !access_or_die(user_config
, R_OK
, ACCESS_EACCES_OK
)) {
1177 ret
+= git_config_from_file(fn
, user_config
, data
);
1181 if (repo_config
&& !access_or_die(repo_config
, R_OK
, 0)) {
1182 ret
+= git_config_from_file(fn
, repo_config
, data
);
1186 switch (git_config_from_parameters(fn
, data
)) {
1187 case -1: /* error */
1188 die(_("unable to parse command-line config"));
1190 case 0: /* found nothing */
1192 default: /* found at least one item */
1199 return ret
== 0 ? found
: ret
;
1202 int git_config_with_options(config_fn_t fn
, void *data
,
1203 struct git_config_source
*config_source
,
1204 int respect_includes
)
1206 char *repo_config
= NULL
;
1208 struct config_include_data inc
= CONFIG_INCLUDE_INIT
;
1210 if (respect_includes
) {
1213 fn
= git_config_include
;
1218 * If we have a specific filename, use it. Otherwise, follow the
1219 * regular lookup sequence.
1221 if (config_source
&& config_source
->use_stdin
)
1222 return git_config_from_stdin(fn
, data
);
1223 else if (config_source
&& config_source
->file
)
1224 return git_config_from_file(fn
, config_source
->file
, data
);
1225 else if (config_source
&& config_source
->blob
)
1226 return git_config_from_blob_ref(fn
, config_source
->blob
, data
);
1228 repo_config
= git_pathdup("config");
1229 ret
= git_config_early(fn
, data
, repo_config
);
1235 int git_config(config_fn_t fn
, void *data
)
1237 return git_config_with_options(fn
, data
, NULL
, 1);
1240 static struct config_set_element
*configset_find_element(struct config_set
*cs
, const char *key
)
1242 struct config_set_element k
;
1243 struct config_set_element
*found_entry
;
1244 char *normalized_key
;
1247 * `key` may come from the user, so normalize it before using it
1248 * for querying entries from the hashmap.
1250 ret
= git_config_parse_key(key
, &normalized_key
, NULL
);
1255 hashmap_entry_init(&k
, strhash(normalized_key
));
1256 k
.key
= normalized_key
;
1257 found_entry
= hashmap_get(&cs
->config_hash
, &k
, NULL
);
1258 free(normalized_key
);
1262 static int configset_add_value(struct config_set
*cs
, const char *key
, const char *value
)
1264 struct config_set_element
*e
;
1265 e
= configset_find_element(cs
, key
);
1267 * Since the keys are being fed by git_config*() callback mechanism, they
1268 * are already normalized. So simply add them without any further munging.
1271 e
= xmalloc(sizeof(*e
));
1272 hashmap_entry_init(e
, strhash(key
));
1273 e
->key
= xstrdup(key
);
1274 string_list_init(&e
->value_list
, 1);
1275 hashmap_add(&cs
->config_hash
, e
);
1277 string_list_append_nodup(&e
->value_list
, value
? xstrdup(value
) : NULL
);
1282 static int config_set_element_cmp(const struct config_set_element
*e1
,
1283 const struct config_set_element
*e2
, const void *unused
)
1285 return strcmp(e1
->key
, e2
->key
);
1288 void git_configset_init(struct config_set
*cs
)
1290 hashmap_init(&cs
->config_hash
, (hashmap_cmp_fn
)config_set_element_cmp
, 0);
1291 cs
->hash_initialized
= 1;
1294 void git_configset_clear(struct config_set
*cs
)
1296 struct config_set_element
*entry
;
1297 struct hashmap_iter iter
;
1298 if (!cs
->hash_initialized
)
1301 hashmap_iter_init(&cs
->config_hash
, &iter
);
1302 while ((entry
= hashmap_iter_next(&iter
))) {
1304 string_list_clear(&entry
->value_list
, 0);
1306 hashmap_free(&cs
->config_hash
, 1);
1307 cs
->hash_initialized
= 0;
1310 static int config_set_callback(const char *key
, const char *value
, void *cb
)
1312 struct config_set
*cs
= cb
;
1313 configset_add_value(cs
, key
, value
);
1317 int git_configset_add_file(struct config_set
*cs
, const char *filename
)
1319 return git_config_from_file(config_set_callback
, filename
, cs
);
1322 int git_configset_get_value(struct config_set
*cs
, const char *key
, const char **value
)
1324 const struct string_list
*values
= NULL
;
1326 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
1327 * queried key in the files of the configset, the value returned will be the last
1328 * value in the value list for that key.
1330 values
= git_configset_get_value_multi(cs
, key
);
1334 assert(values
->nr
> 0);
1335 *value
= values
->items
[values
->nr
- 1].string
;
1339 const struct string_list
*git_configset_get_value_multi(struct config_set
*cs
, const char *key
)
1341 struct config_set_element
*e
= configset_find_element(cs
, key
);
1342 return e
? &e
->value_list
: NULL
;
1345 int git_configset_get_string_const(struct config_set
*cs
, const char *key
, const char **dest
)
1348 if (!git_configset_get_value(cs
, key
, &value
))
1349 return git_config_string(dest
, key
, value
);
1354 int git_configset_get_string(struct config_set
*cs
, const char *key
, char **dest
)
1356 return git_configset_get_string_const(cs
, key
, (const char **)dest
);
1359 int git_configset_get_int(struct config_set
*cs
, const char *key
, int *dest
)
1362 if (!git_configset_get_value(cs
, key
, &value
)) {
1363 *dest
= git_config_int(key
, value
);
1369 int git_configset_get_ulong(struct config_set
*cs
, const char *key
, unsigned long *dest
)
1372 if (!git_configset_get_value(cs
, key
, &value
)) {
1373 *dest
= git_config_ulong(key
, value
);
1379 int git_configset_get_bool(struct config_set
*cs
, const char *key
, int *dest
)
1382 if (!git_configset_get_value(cs
, key
, &value
)) {
1383 *dest
= git_config_bool(key
, value
);
1389 int git_configset_get_bool_or_int(struct config_set
*cs
, const char *key
,
1390 int *is_bool
, int *dest
)
1393 if (!git_configset_get_value(cs
, key
, &value
)) {
1394 *dest
= git_config_bool_or_int(key
, value
, is_bool
);
1400 int git_configset_get_maybe_bool(struct config_set
*cs
, const char *key
, int *dest
)
1403 if (!git_configset_get_value(cs
, key
, &value
)) {
1404 *dest
= git_config_maybe_bool(key
, value
);
1412 int git_configset_get_pathname(struct config_set
*cs
, const char *key
, const char **dest
)
1415 if (!git_configset_get_value(cs
, key
, &value
))
1416 return git_config_pathname(dest
, key
, value
);
1421 static void git_config_check_init(void)
1423 if (the_config_set
.hash_initialized
)
1425 git_configset_init(&the_config_set
);
1426 git_config(config_set_callback
, &the_config_set
);
1429 void git_config_clear(void)
1431 if (!the_config_set
.hash_initialized
)
1433 git_configset_clear(&the_config_set
);
1436 int git_config_get_value(const char *key
, const char **value
)
1438 git_config_check_init();
1439 return git_configset_get_value(&the_config_set
, key
, value
);
1442 const struct string_list
*git_config_get_value_multi(const char *key
)
1444 git_config_check_init();
1445 return git_configset_get_value_multi(&the_config_set
, key
);
1448 int git_config_get_string_const(const char *key
, const char **dest
)
1450 git_config_check_init();
1451 return git_configset_get_string_const(&the_config_set
, key
, dest
);
1454 int git_config_get_string(const char *key
, char **dest
)
1456 git_config_check_init();
1457 return git_config_get_string_const(key
, (const char **)dest
);
1460 int git_config_get_int(const char *key
, int *dest
)
1462 git_config_check_init();
1463 return git_configset_get_int(&the_config_set
, key
, dest
);
1466 int git_config_get_ulong(const char *key
, unsigned long *dest
)
1468 git_config_check_init();
1469 return git_configset_get_ulong(&the_config_set
, key
, dest
);
1472 int git_config_get_bool(const char *key
, int *dest
)
1474 git_config_check_init();
1475 return git_configset_get_bool(&the_config_set
, key
, dest
);
1478 int git_config_get_bool_or_int(const char *key
, int *is_bool
, int *dest
)
1480 git_config_check_init();
1481 return git_configset_get_bool_or_int(&the_config_set
, key
, is_bool
, dest
);
1484 int git_config_get_maybe_bool(const char *key
, int *dest
)
1486 git_config_check_init();
1487 return git_configset_get_maybe_bool(&the_config_set
, key
, dest
);
1490 int git_config_get_pathname(const char *key
, const char **dest
)
1492 git_config_check_init();
1493 return git_configset_get_pathname(&the_config_set
, key
, dest
);
1497 * Find all the stuff for git_config_set() below.
1504 regex_t
*value_regex
;
1507 unsigned int offset_alloc
;
1508 enum { START
, SECTION_SEEN
, SECTION_END_SEEN
, KEY_SEEN
} state
;
1512 static int matches(const char *key
, const char *value
)
1514 return !strcmp(key
, store
.key
) &&
1515 (store
.value_regex
== NULL
||
1516 (store
.do_not_match
^
1517 !regexec(store
.value_regex
, value
, 0, NULL
, 0)));
1520 static int store_aux(const char *key
, const char *value
, void *cb
)
1525 switch (store
.state
) {
1527 if (matches(key
, value
)) {
1528 if (store
.seen
== 1 && store
.multi_replace
== 0) {
1529 warning(_("%s has multiple values"), key
);
1532 ALLOC_GROW(store
.offset
, store
.seen
+ 1,
1533 store
.offset_alloc
);
1535 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
1541 * What we are looking for is in store.key (both
1542 * section and var), and its section part is baselen
1543 * long. We found key (again, both section and var).
1544 * We would want to know if this key is in the same
1545 * section as what we are looking for. We already
1546 * know we are in the same section as what should
1549 ep
= strrchr(key
, '.');
1550 section_len
= ep
- key
;
1552 if ((section_len
!= store
.baselen
) ||
1553 memcmp(key
, store
.key
, section_len
+1)) {
1554 store
.state
= SECTION_END_SEEN
;
1559 * Do not increment matches: this is no match, but we
1560 * just made sure we are in the desired section.
1562 ALLOC_GROW(store
.offset
, store
.seen
+ 1,
1563 store
.offset_alloc
);
1564 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
1566 case SECTION_END_SEEN
:
1568 if (matches(key
, value
)) {
1569 ALLOC_GROW(store
.offset
, store
.seen
+ 1,
1570 store
.offset_alloc
);
1571 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
1572 store
.state
= KEY_SEEN
;
1575 if (strrchr(key
, '.') - key
== store
.baselen
&&
1576 !strncmp(key
, store
.key
, store
.baselen
)) {
1577 store
.state
= SECTION_SEEN
;
1578 ALLOC_GROW(store
.offset
,
1580 store
.offset_alloc
);
1581 store
.offset
[store
.seen
] = cf
->do_ftell(cf
);
1588 static int write_error(const char *filename
)
1590 error("failed to write new configuration file %s", filename
);
1592 /* Same error code as "failed to rename". */
1596 static int store_write_section(int fd
, const char *key
)
1600 struct strbuf sb
= STRBUF_INIT
;
1602 dot
= memchr(key
, '.', store
.baselen
);
1604 strbuf_addf(&sb
, "[%.*s \"", (int)(dot
- key
), key
);
1605 for (i
= dot
- key
+ 1; i
< store
.baselen
; i
++) {
1606 if (key
[i
] == '"' || key
[i
] == '\\')
1607 strbuf_addch(&sb
, '\\');
1608 strbuf_addch(&sb
, key
[i
]);
1610 strbuf_addstr(&sb
, "\"]\n");
1612 strbuf_addf(&sb
, "[%.*s]\n", store
.baselen
, key
);
1615 success
= write_in_full(fd
, sb
.buf
, sb
.len
) == sb
.len
;
1616 strbuf_release(&sb
);
1621 static int store_write_pair(int fd
, const char *key
, const char *value
)
1624 int length
= strlen(key
+ store
.baselen
+ 1);
1625 const char *quote
= "";
1626 struct strbuf sb
= STRBUF_INIT
;
1629 * Check to see if the value needs to be surrounded with a dq pair.
1630 * Note that problematic characters are always backslash-quoted; this
1631 * check is about not losing leading or trailing SP and strings that
1632 * follow beginning-of-comment characters (i.e. ';' and '#') by the
1633 * configuration parser.
1635 if (value
[0] == ' ')
1637 for (i
= 0; value
[i
]; i
++)
1638 if (value
[i
] == ';' || value
[i
] == '#')
1640 if (i
&& value
[i
- 1] == ' ')
1643 strbuf_addf(&sb
, "\t%.*s = %s",
1644 length
, key
+ store
.baselen
+ 1, quote
);
1646 for (i
= 0; value
[i
]; i
++)
1649 strbuf_addstr(&sb
, "\\n");
1652 strbuf_addstr(&sb
, "\\t");
1656 strbuf_addch(&sb
, '\\');
1658 strbuf_addch(&sb
, value
[i
]);
1661 strbuf_addf(&sb
, "%s\n", quote
);
1663 success
= write_in_full(fd
, sb
.buf
, sb
.len
) == sb
.len
;
1664 strbuf_release(&sb
);
1669 static ssize_t
find_beginning_of_line(const char *contents
, size_t size
,
1670 size_t offset_
, int *found_bracket
)
1672 size_t equal_offset
= size
, bracket_offset
= size
;
1676 for (offset
= offset_
-2; offset
> 0
1677 && contents
[offset
] != '\n'; offset
--)
1678 switch (contents
[offset
]) {
1679 case '=': equal_offset
= offset
; break;
1680 case ']': bracket_offset
= offset
; break;
1682 if (offset
> 0 && contents
[offset
-1] == '\\') {
1686 if (bracket_offset
< equal_offset
) {
1688 offset
= bracket_offset
+1;
1695 int git_config_set_in_file(const char *config_filename
,
1696 const char *key
, const char *value
)
1698 return git_config_set_multivar_in_file(config_filename
, key
, value
, NULL
, 0);
1701 int git_config_set(const char *key
, const char *value
)
1703 return git_config_set_multivar(key
, value
, NULL
, 0);
1707 * Auxiliary function to sanity-check and split the key into the section
1708 * identifier and variable name.
1710 * Returns 0 on success, -1 when there is an invalid character in the key and
1711 * -2 if there is no section name in the key.
1713 * store_key - pointer to char* which will hold a copy of the key with
1714 * lowercase section and variable name
1715 * baselen - pointer to int which will hold the length of the
1716 * section + subsection part, can be NULL
1718 int git_config_parse_key(const char *key
, char **store_key
, int *baselen_
)
1720 int i
, dot
, baselen
;
1721 const char *last_dot
= strrchr(key
, '.');
1724 * Since "key" actually contains the section name and the real
1725 * key name separated by a dot, we have to know where the dot is.
1728 if (last_dot
== NULL
|| last_dot
== key
) {
1729 error("key does not contain a section: %s", key
);
1730 return -CONFIG_NO_SECTION_OR_NAME
;
1734 error("key does not contain variable name: %s", key
);
1735 return -CONFIG_NO_SECTION_OR_NAME
;
1738 baselen
= last_dot
- key
;
1740 *baselen_
= baselen
;
1743 * Validate the key and while at it, lower case it for matching.
1745 *store_key
= xmalloc(strlen(key
) + 1);
1748 for (i
= 0; key
[i
]; i
++) {
1749 unsigned char c
= key
[i
];
1752 /* Leave the extended basename untouched.. */
1753 if (!dot
|| i
> baselen
) {
1754 if (!iskeychar(c
) ||
1755 (i
== baselen
+ 1 && !isalpha(c
))) {
1756 error("invalid key: %s", key
);
1757 goto out_free_ret_1
;
1760 } else if (c
== '\n') {
1761 error("invalid key (newline): %s", key
);
1762 goto out_free_ret_1
;
1764 (*store_key
)[i
] = c
;
1766 (*store_key
)[i
] = 0;
1773 return -CONFIG_INVALID_KEY
;
1777 * If value==NULL, unset in (remove from) config,
1778 * if value_regex!=NULL, disregard key/value pairs where value does not match.
1779 * if multi_replace==0, nothing, or only one matching key/value is replaced,
1780 * else all matching key/values (regardless how many) are removed,
1781 * before the new pair is written.
1783 * Returns 0 on success.
1785 * This function does this:
1787 * - it locks the config file by creating ".git/config.lock"
1789 * - it then parses the config using store_aux() as validator to find
1790 * the position on the key/value pair to replace. If it is to be unset,
1791 * it must be found exactly once.
1793 * - the config file is mmap()ed and the part before the match (if any) is
1794 * written to the lock file, then the changed part and the rest.
1796 * - the config file is removed and the lock file rename()d to it.
1799 int git_config_set_multivar_in_file(const char *config_filename
,
1800 const char *key
, const char *value
,
1801 const char *value_regex
, int multi_replace
)
1805 struct lock_file
*lock
= NULL
;
1806 char *filename_buf
= NULL
;
1808 /* parse-key returns negative; flip the sign to feed exit(3) */
1809 ret
= 0 - git_config_parse_key(key
, &store
.key
, &store
.baselen
);
1813 store
.multi_replace
= multi_replace
;
1815 if (!config_filename
)
1816 config_filename
= filename_buf
= git_pathdup("config");
1819 * The lock serves a purpose in addition to locking: the new
1820 * contents of .git/config will be written into it.
1822 lock
= xcalloc(1, sizeof(struct lock_file
));
1823 fd
= hold_lock_file_for_update(lock
, config_filename
, 0);
1825 error("could not lock config file %s: %s", config_filename
, strerror(errno
));
1827 ret
= CONFIG_NO_LOCK
;
1832 * If .git/config does not exist yet, write a minimal version.
1834 in_fd
= open(config_filename
, O_RDONLY
);
1838 if ( ENOENT
!= errno
) {
1839 error("opening %s: %s", config_filename
,
1841 ret
= CONFIG_INVALID_FILE
; /* same as "invalid config file" */
1844 /* if nothing to unset, error out */
1845 if (value
== NULL
) {
1846 ret
= CONFIG_NOTHING_SET
;
1850 store
.key
= (char *)key
;
1851 if (!store_write_section(fd
, key
) ||
1852 !store_write_pair(fd
, key
, value
))
1857 size_t contents_sz
, copy_begin
, copy_end
;
1858 int i
, new_line
= 0;
1860 if (value_regex
== NULL
)
1861 store
.value_regex
= NULL
;
1863 if (value_regex
[0] == '!') {
1864 store
.do_not_match
= 1;
1867 store
.do_not_match
= 0;
1869 store
.value_regex
= (regex_t
*)xmalloc(sizeof(regex_t
));
1870 if (regcomp(store
.value_regex
, value_regex
,
1872 error("invalid pattern: %s", value_regex
);
1873 free(store
.value_regex
);
1874 ret
= CONFIG_INVALID_PATTERN
;
1879 ALLOC_GROW(store
.offset
, 1, store
.offset_alloc
);
1880 store
.offset
[0] = 0;
1881 store
.state
= START
;
1885 * After this, store.offset will contain the *end* offset
1886 * of the last match, or remain at 0 if no match was found.
1887 * As a side effect, we make sure to transform only a valid
1888 * existing config file.
1890 if (git_config_from_file(store_aux
, config_filename
, NULL
)) {
1891 error("invalid config file %s", config_filename
);
1893 if (store
.value_regex
!= NULL
) {
1894 regfree(store
.value_regex
);
1895 free(store
.value_regex
);
1897 ret
= CONFIG_INVALID_FILE
;
1902 if (store
.value_regex
!= NULL
) {
1903 regfree(store
.value_regex
);
1904 free(store
.value_regex
);
1907 /* if nothing to unset, or too many matches, error out */
1908 if ((store
.seen
== 0 && value
== NULL
) ||
1909 (store
.seen
> 1 && multi_replace
== 0)) {
1910 ret
= CONFIG_NOTHING_SET
;
1915 contents_sz
= xsize_t(st
.st_size
);
1916 contents
= xmmap(NULL
, contents_sz
, PROT_READ
,
1917 MAP_PRIVATE
, in_fd
, 0);
1920 if (chmod(lock
->filename
, st
.st_mode
& 07777) < 0) {
1921 error("chmod on %s failed: %s",
1922 lock
->filename
, strerror(errno
));
1923 ret
= CONFIG_NO_WRITE
;
1927 if (store
.seen
== 0)
1930 for (i
= 0, copy_begin
= 0; i
< store
.seen
; i
++) {
1931 if (store
.offset
[i
] == 0) {
1932 store
.offset
[i
] = copy_end
= contents_sz
;
1933 } else if (store
.state
!= KEY_SEEN
) {
1934 copy_end
= store
.offset
[i
];
1936 copy_end
= find_beginning_of_line(
1937 contents
, contents_sz
,
1938 store
.offset
[i
]-2, &new_line
);
1940 if (copy_end
> 0 && contents
[copy_end
-1] != '\n')
1943 /* write the first part of the config */
1944 if (copy_end
> copy_begin
) {
1945 if (write_in_full(fd
, contents
+ copy_begin
,
1946 copy_end
- copy_begin
) <
1947 copy_end
- copy_begin
)
1950 write_str_in_full(fd
, "\n") != 1)
1953 copy_begin
= store
.offset
[i
];
1956 /* write the pair (value == NULL means unset) */
1957 if (value
!= NULL
) {
1958 if (store
.state
== START
) {
1959 if (!store_write_section(fd
, key
))
1962 if (!store_write_pair(fd
, key
, value
))
1966 /* write the rest of the config */
1967 if (copy_begin
< contents_sz
)
1968 if (write_in_full(fd
, contents
+ copy_begin
,
1969 contents_sz
- copy_begin
) <
1970 contents_sz
- copy_begin
)
1973 munmap(contents
, contents_sz
);
1976 if (commit_lock_file(lock
) < 0) {
1977 error("could not commit config file %s", config_filename
);
1978 ret
= CONFIG_NO_WRITE
;
1983 * lock is committed, so don't try to roll it back below.
1984 * NOTE: Since lockfile.c keeps a linked list of all created
1985 * lock_file structures, it isn't safe to free(lock). It's
1986 * better to just leave it hanging around.
1991 /* Invalidate the config cache */
1996 rollback_lock_file(lock
);
2001 ret
= write_error(lock
->filename
);
2006 int git_config_set_multivar(const char *key
, const char *value
,
2007 const char *value_regex
, int multi_replace
)
2009 return git_config_set_multivar_in_file(NULL
, key
, value
, value_regex
,
2013 static int section_name_match (const char *buf
, const char *name
)
2015 int i
= 0, j
= 0, dot
= 0;
2018 for (i
= 1; buf
[i
] && buf
[i
] != ']'; i
++) {
2019 if (!dot
&& isspace(buf
[i
])) {
2021 if (name
[j
++] != '.')
2023 for (i
++; isspace(buf
[i
]); i
++)
2029 if (buf
[i
] == '\\' && dot
)
2031 else if (buf
[i
] == '"' && dot
) {
2032 for (i
++; isspace(buf
[i
]); i
++)
2036 if (buf
[i
] != name
[j
++])
2039 if (buf
[i
] == ']' && name
[j
] == 0) {
2041 * We match, now just find the right length offset by
2042 * gobbling up any whitespace after it, as well
2045 for (; buf
[i
] && isspace(buf
[i
]); i
++)
2052 static int section_name_is_ok(const char *name
)
2054 /* Empty section names are bogus. */
2059 * Before a dot, we must be alphanumeric or dash. After the first dot,
2060 * anything goes, so we can stop checking.
2062 for (; *name
&& *name
!= '.'; name
++)
2063 if (*name
!= '-' && !isalnum(*name
))
2068 /* if new_name == NULL, the section is removed instead */
2069 int git_config_rename_section_in_file(const char *config_filename
,
2070 const char *old_name
, const char *new_name
)
2072 int ret
= 0, remove
= 0;
2073 char *filename_buf
= NULL
;
2074 struct lock_file
*lock
;
2080 if (new_name
&& !section_name_is_ok(new_name
)) {
2081 ret
= error("invalid section name: %s", new_name
);
2085 if (!config_filename
)
2086 config_filename
= filename_buf
= git_pathdup("config");
2088 lock
= xcalloc(1, sizeof(struct lock_file
));
2089 out_fd
= hold_lock_file_for_update(lock
, config_filename
, 0);
2091 ret
= error("could not lock config file %s", config_filename
);
2095 if (!(config_file
= fopen(config_filename
, "rb"))) {
2096 /* no config file means nothing to rename, no error */
2097 goto unlock_and_out
;
2100 fstat(fileno(config_file
), &st
);
2102 if (chmod(lock
->filename
, st
.st_mode
& 07777) < 0) {
2103 ret
= error("chmod on %s failed: %s",
2104 lock
->filename
, strerror(errno
));
2108 while (fgets(buf
, sizeof(buf
), config_file
)) {
2112 for (i
= 0; buf
[i
] && isspace(buf
[i
]); i
++)
2114 if (buf
[i
] == '[') {
2115 /* it's a section */
2116 int offset
= section_name_match(&buf
[i
], old_name
);
2119 if (new_name
== NULL
) {
2123 store
.baselen
= strlen(new_name
);
2124 if (!store_write_section(out_fd
, new_name
)) {
2125 ret
= write_error(lock
->filename
);
2129 * We wrote out the new section, with
2130 * a newline, now skip the old
2133 output
+= offset
+ i
;
2134 if (strlen(output
) > 0) {
2136 * More content means there's
2137 * a declaration to put on the
2138 * next line; indent with a
2149 length
= strlen(output
);
2150 if (write_in_full(out_fd
, output
, length
) != length
) {
2151 ret
= write_error(lock
->filename
);
2155 fclose(config_file
);
2157 if (commit_lock_file(lock
) < 0)
2158 ret
= error("could not commit config file %s", config_filename
);
2164 int git_config_rename_section(const char *old_name
, const char *new_name
)
2166 return git_config_rename_section_in_file(NULL
, old_name
, new_name
);
2170 * Call this to report error for your variable that should not
2171 * get a boolean value (i.e. "[my] var" means "true").
2173 #undef config_error_nonbool
2174 int config_error_nonbool(const char *var
)
2176 return error("Missing value for '%s'", var
);
2179 int parse_config_key(const char *var
,
2180 const char *section
,
2181 const char **subsection
, int *subsection_len
,
2184 int section_len
= strlen(section
);
2187 /* Does it start with "section." ? */
2188 if (!starts_with(var
, section
) || var
[section_len
] != '.')
2192 * Find the key; we don't know yet if we have a subsection, but we must
2193 * parse backwards from the end, since the subsection may have dots in
2196 dot
= strrchr(var
, '.');
2199 /* Did we have a subsection at all? */
2200 if (dot
== var
+ section_len
) {
2202 *subsection_len
= 0;
2205 *subsection
= var
+ section_len
+ 1;
2206 *subsection_len
= dot
- *subsection
;