2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Johannes Schindelin, 2005
11 #include "repository.h"
17 #include "string-list.h"
18 #include "object-store.h"
24 struct config_source
{
25 struct config_source
*prev
;
34 enum config_origin_type origin_type
;
37 enum config_error_action default_error_action
;
42 unsigned subsection_case_sensitive
: 1;
44 int (*do_fgetc
)(struct config_source
*c
);
45 int (*do_ungetc
)(int c
, struct config_source
*conf
);
46 long (*do_ftell
)(struct config_source
*c
);
50 * These variables record the "current" config source, which
51 * can be accessed by parsing callbacks.
53 * The "cf" variable will be non-NULL only when we are actually parsing a real
54 * config source (file, blob, cmdline, etc).
56 * The "current_config_kvi" variable will be non-NULL only when we are feeding
57 * cached config from a configset into a callback.
59 * They should generally never be non-NULL at the same time. If they are both
60 * NULL, then we aren't parsing anything (and depending on the function looking
61 * at the variables, it's either a bug for it to be called in the first place,
62 * or it's a function which can be reused for non-config purposes, and should
63 * fall back to some sane behavior).
65 static struct config_source
*cf
;
66 static struct key_value_info
*current_config_kvi
;
69 * Similar to the variables above, this gives access to the "scope" of the
70 * current value (repo, global, etc). For cached values, it can be found via
71 * the current_config_kvi as above. During parsing, the current value can be
72 * found in this variable. It's not part of "cf" because it transcends a single
73 * file (i.e., a file included from .git/config is still in "repo" scope).
75 static enum config_scope current_parsing_scope
;
77 static int core_compression_seen
;
78 static int pack_compression_seen
;
79 static int zlib_compression_seen
;
81 static int config_file_fgetc(struct config_source
*conf
)
83 return getc_unlocked(conf
->u
.file
);
86 static int config_file_ungetc(int c
, struct config_source
*conf
)
88 return ungetc(c
, conf
->u
.file
);
91 static long config_file_ftell(struct config_source
*conf
)
93 return ftell(conf
->u
.file
);
97 static int config_buf_fgetc(struct config_source
*conf
)
99 if (conf
->u
.buf
.pos
< conf
->u
.buf
.len
)
100 return conf
->u
.buf
.buf
[conf
->u
.buf
.pos
++];
105 static int config_buf_ungetc(int c
, struct config_source
*conf
)
107 if (conf
->u
.buf
.pos
> 0) {
109 if (conf
->u
.buf
.buf
[conf
->u
.buf
.pos
] != c
)
110 BUG("config_buf can only ungetc the same character");
117 static long config_buf_ftell(struct config_source
*conf
)
119 return conf
->u
.buf
.pos
;
122 #define MAX_INCLUDE_DEPTH 10
123 static const char include_depth_advice
[] = N_(
124 "exceeded maximum include depth (%d) while including\n"
128 "This might be due to circular includes.");
129 static int handle_path_include(const char *path
, struct config_include_data
*inc
)
132 struct strbuf buf
= STRBUF_INIT
;
136 return config_error_nonbool("include.path");
138 expanded
= expand_user_path(path
, 0);
140 return error(_("could not expand include path '%s'"), path
);
144 * Use an absolute path as-is, but interpret relative paths
145 * based on the including config file.
147 if (!is_absolute_path(path
)) {
150 if (!cf
|| !cf
->path
)
151 return error(_("relative config includes must come from files"));
153 slash
= find_last_dir_sep(cf
->path
);
155 strbuf_add(&buf
, cf
->path
, slash
- cf
->path
+ 1);
156 strbuf_addstr(&buf
, path
);
160 if (!access_or_die(path
, R_OK
, 0)) {
161 if (++inc
->depth
> MAX_INCLUDE_DEPTH
)
162 die(_(include_depth_advice
), MAX_INCLUDE_DEPTH
, path
,
164 cf
->name
? cf
->name
:
166 ret
= git_config_from_file(git_config_include
, path
, inc
);
169 strbuf_release(&buf
);
174 static void add_trailing_starstar_for_dir(struct strbuf
*pat
)
176 if (pat
->len
&& is_dir_sep(pat
->buf
[pat
->len
- 1]))
177 strbuf_addstr(pat
, "**");
180 static int prepare_include_condition_pattern(struct strbuf
*pat
)
182 struct strbuf path
= STRBUF_INIT
;
186 expanded
= expand_user_path(pat
->buf
, 1);
189 strbuf_addstr(pat
, expanded
);
193 if (pat
->buf
[0] == '.' && is_dir_sep(pat
->buf
[1])) {
196 if (!cf
|| !cf
->path
)
197 return error(_("relative config include "
198 "conditionals must come from files"));
200 strbuf_realpath(&path
, cf
->path
, 1);
201 slash
= find_last_dir_sep(path
.buf
);
203 BUG("how is this possible?");
204 strbuf_splice(pat
, 0, 1, path
.buf
, slash
- path
.buf
);
205 prefix
= slash
- path
.buf
+ 1 /* slash */;
206 } else if (!is_absolute_path(pat
->buf
))
207 strbuf_insert(pat
, 0, "**/", 3);
209 add_trailing_starstar_for_dir(pat
);
211 strbuf_release(&path
);
215 static int include_by_gitdir(const struct config_options
*opts
,
216 const char *cond
, size_t cond_len
, int icase
)
218 struct strbuf text
= STRBUF_INIT
;
219 struct strbuf pattern
= STRBUF_INIT
;
222 int already_tried_absolute
= 0;
225 git_dir
= opts
->git_dir
;
229 strbuf_realpath(&text
, git_dir
, 1);
230 strbuf_add(&pattern
, cond
, cond_len
);
231 prefix
= prepare_include_condition_pattern(&pattern
);
239 * perform literal matching on the prefix part so that
240 * any wildcard character in it can't create side effects.
242 if (text
.len
< prefix
)
244 if (!icase
&& strncmp(pattern
.buf
, text
.buf
, prefix
))
246 if (icase
&& strncasecmp(pattern
.buf
, text
.buf
, prefix
))
250 ret
= !wildmatch(pattern
.buf
+ prefix
, text
.buf
+ prefix
,
251 WM_PATHNAME
| (icase
? WM_CASEFOLD
: 0));
253 if (!ret
&& !already_tried_absolute
) {
255 * We've tried e.g. matching gitdir:~/work, but if
256 * ~/work is a symlink to /mnt/storage/work
257 * strbuf_realpath() will expand it, so the rule won't
258 * match. Let's match against a
259 * strbuf_add_absolute_path() version of the path,
260 * which'll do the right thing
263 strbuf_add_absolute_path(&text
, git_dir
);
264 already_tried_absolute
= 1;
268 strbuf_release(&pattern
);
269 strbuf_release(&text
);
273 static int include_by_branch(const char *cond
, size_t cond_len
)
277 struct strbuf pattern
= STRBUF_INIT
;
278 const char *refname
= resolve_ref_unsafe("HEAD", 0, NULL
, &flags
);
279 const char *shortname
;
281 if (!refname
|| !(flags
& REF_ISSYMREF
) ||
282 !skip_prefix(refname
, "refs/heads/", &shortname
))
285 strbuf_add(&pattern
, cond
, cond_len
);
286 add_trailing_starstar_for_dir(&pattern
);
287 ret
= !wildmatch(pattern
.buf
, shortname
, WM_PATHNAME
);
288 strbuf_release(&pattern
);
292 static int include_condition_is_true(const struct config_options
*opts
,
293 const char *cond
, size_t cond_len
)
296 if (skip_prefix_mem(cond
, cond_len
, "gitdir:", &cond
, &cond_len
))
297 return include_by_gitdir(opts
, cond
, cond_len
, 0);
298 else if (skip_prefix_mem(cond
, cond_len
, "gitdir/i:", &cond
, &cond_len
))
299 return include_by_gitdir(opts
, cond
, cond_len
, 1);
300 else if (skip_prefix_mem(cond
, cond_len
, "onbranch:", &cond
, &cond_len
))
301 return include_by_branch(cond
, cond_len
);
303 /* unknown conditionals are always false */
307 int git_config_include(const char *var
, const char *value
, void *data
)
309 struct config_include_data
*inc
= data
;
310 const char *cond
, *key
;
315 * Pass along all values, including "include" directives; this makes it
316 * possible to query information on the includes themselves.
318 ret
= inc
->fn(var
, value
, inc
->data
);
322 if (!strcmp(var
, "include.path"))
323 ret
= handle_path_include(value
, inc
);
325 if (!parse_config_key(var
, "includeif", &cond
, &cond_len
, &key
) &&
326 (cond
&& include_condition_is_true(inc
->opts
, cond
, cond_len
)) &&
327 !strcmp(key
, "path"))
328 ret
= handle_path_include(value
, inc
);
333 void git_config_push_parameter(const char *text
)
335 struct strbuf env
= STRBUF_INIT
;
336 const char *old
= getenv(CONFIG_DATA_ENVIRONMENT
);
338 strbuf_addstr(&env
, old
);
339 strbuf_addch(&env
, ' ');
341 sq_quote_buf(&env
, text
);
342 setenv(CONFIG_DATA_ENVIRONMENT
, env
.buf
, 1);
343 strbuf_release(&env
);
346 static inline int iskeychar(int c
)
348 return isalnum(c
) || c
== '-';
352 * Auxiliary function to sanity-check and split the key into the section
353 * identifier and variable name.
355 * Returns 0 on success, -1 when there is an invalid character in the key and
356 * -2 if there is no section name in the key.
358 * store_key - pointer to char* which will hold a copy of the key with
359 * lowercase section and variable name
360 * baselen - pointer to int which will hold the length of the
361 * section + subsection part, can be NULL
363 static int git_config_parse_key_1(const char *key
, char **store_key
, int *baselen_
, int quiet
)
366 const char *last_dot
= strrchr(key
, '.');
369 * Since "key" actually contains the section name and the real
370 * key name separated by a dot, we have to know where the dot is.
373 if (last_dot
== NULL
|| last_dot
== key
) {
375 error(_("key does not contain a section: %s"), key
);
376 return -CONFIG_NO_SECTION_OR_NAME
;
381 error(_("key does not contain variable name: %s"), key
);
382 return -CONFIG_NO_SECTION_OR_NAME
;
385 baselen
= last_dot
- key
;
390 * Validate the key and while at it, lower case it for matching.
393 *store_key
= xmallocz(strlen(key
));
396 for (i
= 0; key
[i
]; i
++) {
397 unsigned char c
= key
[i
];
400 /* Leave the extended basename untouched.. */
401 if (!dot
|| i
> baselen
) {
403 (i
== baselen
+ 1 && !isalpha(c
))) {
405 error(_("invalid key: %s"), key
);
409 } else if (c
== '\n') {
411 error(_("invalid key (newline): %s"), key
);
422 FREE_AND_NULL(*store_key
);
424 return -CONFIG_INVALID_KEY
;
427 int git_config_parse_key(const char *key
, char **store_key
, int *baselen
)
429 return git_config_parse_key_1(key
, store_key
, baselen
, 0);
432 int git_config_key_is_valid(const char *key
)
434 return !git_config_parse_key_1(key
, NULL
, NULL
, 1);
437 int git_config_parse_parameter(const char *text
,
438 config_fn_t fn
, void *data
)
441 char *canonical_name
;
442 struct strbuf
**pair
;
445 pair
= strbuf_split_str(text
, '=', 2);
447 return error(_("bogus config parameter: %s"), text
);
449 if (pair
[0]->len
&& pair
[0]->buf
[pair
[0]->len
- 1] == '=') {
450 strbuf_setlen(pair
[0], pair
[0]->len
- 1);
451 value
= pair
[1] ? pair
[1]->buf
: "";
456 strbuf_trim(pair
[0]);
458 strbuf_list_free(pair
);
459 return error(_("bogus config parameter: %s"), text
);
462 if (git_config_parse_key(pair
[0]->buf
, &canonical_name
, NULL
)) {
465 ret
= (fn(canonical_name
, value
, data
) < 0) ? -1 : 0;
466 free(canonical_name
);
468 strbuf_list_free(pair
);
472 int git_config_from_parameters(config_fn_t fn
, void *data
)
474 const char *env
= getenv(CONFIG_DATA_ENVIRONMENT
);
477 const char **argv
= NULL
;
478 int nr
= 0, alloc
= 0;
480 struct config_source source
;
485 memset(&source
, 0, sizeof(source
));
487 source
.origin_type
= CONFIG_ORIGIN_CMDLINE
;
490 /* sq_dequote will write over it */
493 if (sq_dequote_to_argv(envw
, &argv
, &nr
, &alloc
) < 0) {
494 ret
= error(_("bogus format in %s"), CONFIG_DATA_ENVIRONMENT
);
498 for (i
= 0; i
< nr
; i
++) {
499 if (git_config_parse_parameter(argv
[i
], fn
, data
) < 0) {
512 static int get_next_char(void)
514 int c
= cf
->do_fgetc(cf
);
517 /* DOS like systems */
518 c
= cf
->do_fgetc(cf
);
521 cf
->do_ungetc(c
, cf
);
535 static char *parse_value(void)
537 int quote
= 0, comment
= 0, space
= 0;
539 strbuf_reset(&cf
->value
);
541 int c
= get_next_char();
547 return cf
->value
.buf
;
551 if (isspace(c
) && !quote
) {
557 if (c
== ';' || c
== '#') {
562 for (; space
; space
--)
563 strbuf_addch(&cf
->value
, ' ');
578 /* Some characters escape as themselves */
581 /* Reject unknown escape sequences */
585 strbuf_addch(&cf
->value
, c
);
592 strbuf_addch(&cf
->value
, c
);
596 static int get_value(config_fn_t fn
, void *data
, struct strbuf
*name
)
602 /* Get the full name */
609 strbuf_addch(name
, tolower(c
));
612 while (c
== ' ' || c
== '\t')
619 value
= parse_value();
624 * We already consumed the \n, but we need linenr to point to
625 * the line we just parsed during the call to fn to get
626 * accurate line number in error messages.
629 ret
= fn(name
->buf
, value
, data
);
635 static int get_extended_base_var(struct strbuf
*name
, int c
)
637 cf
->subsection_case_sensitive
= 0;
640 goto error_incomplete_line
;
642 } while (isspace(c
));
644 /* We require the format to be '[base "extension"]' */
647 strbuf_addch(name
, '.');
650 int c
= get_next_char();
652 goto error_incomplete_line
;
658 goto error_incomplete_line
;
660 strbuf_addch(name
, c
);
664 if (get_next_char() != ']')
667 error_incomplete_line
:
672 static int get_base_var(struct strbuf
*name
)
674 cf
->subsection_case_sensitive
= 1;
676 int c
= get_next_char();
682 return get_extended_base_var(name
, c
);
683 if (!iskeychar(c
) && c
!= '.')
685 strbuf_addch(name
, tolower(c
));
689 struct parse_event_data
{
690 enum config_event_t previous_type
;
691 size_t previous_offset
;
692 const struct config_options
*opts
;
695 static int do_event(enum config_event_t type
, struct parse_event_data
*data
)
699 if (!data
->opts
|| !data
->opts
->event_fn
)
702 if (type
== CONFIG_EVENT_WHITESPACE
&&
703 data
->previous_type
== type
)
706 offset
= cf
->do_ftell(cf
);
708 * At EOF, the parser always "inserts" an extra '\n', therefore
709 * the end offset of the event is the current file position, otherwise
710 * we will already have advanced to the next event.
712 if (type
!= CONFIG_EVENT_EOF
)
715 if (data
->previous_type
!= CONFIG_EVENT_EOF
&&
716 data
->opts
->event_fn(data
->previous_type
, data
->previous_offset
,
717 offset
, data
->opts
->event_fn_data
) < 0)
720 data
->previous_type
= type
;
721 data
->previous_offset
= offset
;
726 static int git_parse_source(config_fn_t fn
, void *data
,
727 const struct config_options
*opts
)
731 struct strbuf
*var
= &cf
->var
;
732 int error_return
= 0;
733 char *error_msg
= NULL
;
735 /* U+FEFF Byte Order Mark in UTF8 */
736 const char *bomptr
= utf8_bom
;
738 /* For the parser event callback */
739 struct parse_event_data event_data
= {
740 CONFIG_EVENT_EOF
, 0, opts
747 if (bomptr
&& *bomptr
) {
748 /* We are at the file beginning; skip UTF8-encoded BOM
749 * if present. Sane editors won't put this in on their
750 * own, but e.g. Windows Notepad will do it happily. */
751 if (c
== (*bomptr
& 0377)) {
755 /* Do not tolerate partial BOM. */
756 if (bomptr
!= utf8_bom
)
758 /* No BOM at file beginning. Cool. */
764 if (do_event(CONFIG_EVENT_EOF
, &event_data
) < 0)
768 if (do_event(CONFIG_EVENT_WHITESPACE
, &event_data
) < 0)
776 if (do_event(CONFIG_EVENT_WHITESPACE
, &event_data
) < 0)
780 if (c
== '#' || c
== ';') {
781 if (do_event(CONFIG_EVENT_COMMENT
, &event_data
) < 0)
787 if (do_event(CONFIG_EVENT_SECTION
, &event_data
) < 0)
790 /* Reset prior to determining a new stem */
792 if (get_base_var(var
) < 0 || var
->len
< 1)
794 strbuf_addch(var
, '.');
801 if (do_event(CONFIG_EVENT_ENTRY
, &event_data
) < 0)
805 * Truncate the var name back to the section header
806 * stem prior to grabbing the suffix part of the name
809 strbuf_setlen(var
, baselen
);
810 strbuf_addch(var
, tolower(c
));
811 if (get_value(fn
, data
, var
) < 0)
815 if (do_event(CONFIG_EVENT_ERROR
, &event_data
) < 0)
818 switch (cf
->origin_type
) {
819 case CONFIG_ORIGIN_BLOB
:
820 error_msg
= xstrfmt(_("bad config line %d in blob %s"),
821 cf
->linenr
, cf
->name
);
823 case CONFIG_ORIGIN_FILE
:
824 error_msg
= xstrfmt(_("bad config line %d in file %s"),
825 cf
->linenr
, cf
->name
);
827 case CONFIG_ORIGIN_STDIN
:
828 error_msg
= xstrfmt(_("bad config line %d in standard input"),
831 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
832 error_msg
= xstrfmt(_("bad config line %d in submodule-blob %s"),
833 cf
->linenr
, cf
->name
);
835 case CONFIG_ORIGIN_CMDLINE
:
836 error_msg
= xstrfmt(_("bad config line %d in command line %s"),
837 cf
->linenr
, cf
->name
);
840 error_msg
= xstrfmt(_("bad config line %d in %s"),
841 cf
->linenr
, cf
->name
);
844 switch (opts
&& opts
->error_action
?
846 cf
->default_error_action
) {
847 case CONFIG_ERROR_DIE
:
848 die("%s", error_msg
);
850 case CONFIG_ERROR_ERROR
:
851 error_return
= error("%s", error_msg
);
853 case CONFIG_ERROR_SILENT
:
856 case CONFIG_ERROR_UNSET
:
857 BUG("config error action unset");
864 static uintmax_t get_unit_factor(const char *end
)
868 else if (!strcasecmp(end
, "k"))
870 else if (!strcasecmp(end
, "m"))
872 else if (!strcasecmp(end
, "g"))
873 return 1024 * 1024 * 1024;
877 static int git_parse_signed(const char *value
, intmax_t *ret
, intmax_t max
)
879 if (value
&& *value
) {
886 val
= strtoimax(value
, &end
, 0);
889 factor
= get_unit_factor(end
);
894 uval
= val
< 0 ? -val
: val
;
895 if (unsigned_mult_overflows(factor
, uval
) ||
896 factor
* uval
> max
) {
908 static int git_parse_unsigned(const char *value
, uintmax_t *ret
, uintmax_t max
)
910 if (value
&& *value
) {
916 val
= strtoumax(value
, &end
, 0);
919 factor
= get_unit_factor(end
);
924 if (unsigned_mult_overflows(factor
, val
) ||
925 factor
* val
> max
) {
937 static int git_parse_int(const char *value
, int *ret
)
940 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int)))
946 static int git_parse_int64(const char *value
, int64_t *ret
)
949 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int64_t)))
955 int git_parse_ulong(const char *value
, unsigned long *ret
)
958 if (!git_parse_unsigned(value
, &tmp
, maximum_unsigned_value_of_type(long)))
964 int git_parse_ssize_t(const char *value
, ssize_t
*ret
)
967 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(ssize_t
)))
974 static void die_bad_number(const char *name
, const char *value
)
976 const char *error_type
= (errno
== ERANGE
) ?
977 N_("out of range") : N_("invalid unit");
978 const char *bad_numeric
= N_("bad numeric config value '%s' for '%s': %s");
983 if (!strcmp(name
, "GIT_TEST_GETTEXT_POISON"))
985 * We explicitly *don't* use _() here since it would
986 * cause an infinite loop with _() needing to call
987 * use_gettext_poison(). This is why marked up
988 * translations with N_() above.
990 die(bad_numeric
, value
, name
, error_type
);
992 if (!(cf
&& cf
->name
))
993 die(_(bad_numeric
), value
, name
, _(error_type
));
995 switch (cf
->origin_type
) {
996 case CONFIG_ORIGIN_BLOB
:
997 die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
998 value
, name
, cf
->name
, _(error_type
));
999 case CONFIG_ORIGIN_FILE
:
1000 die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
1001 value
, name
, cf
->name
, _(error_type
));
1002 case CONFIG_ORIGIN_STDIN
:
1003 die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
1004 value
, name
, _(error_type
));
1005 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
1006 die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
1007 value
, name
, cf
->name
, _(error_type
));
1008 case CONFIG_ORIGIN_CMDLINE
:
1009 die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
1010 value
, name
, cf
->name
, _(error_type
));
1012 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
1013 value
, name
, cf
->name
, _(error_type
));
1017 int git_config_int(const char *name
, const char *value
)
1020 if (!git_parse_int(value
, &ret
))
1021 die_bad_number(name
, value
);
1025 int64_t git_config_int64(const char *name
, const char *value
)
1028 if (!git_parse_int64(value
, &ret
))
1029 die_bad_number(name
, value
);
1033 unsigned long git_config_ulong(const char *name
, const char *value
)
1036 if (!git_parse_ulong(value
, &ret
))
1037 die_bad_number(name
, value
);
1041 ssize_t
git_config_ssize_t(const char *name
, const char *value
)
1044 if (!git_parse_ssize_t(value
, &ret
))
1045 die_bad_number(name
, value
);
1049 static int git_parse_maybe_bool_text(const char *value
)
1055 if (!strcasecmp(value
, "true")
1056 || !strcasecmp(value
, "yes")
1057 || !strcasecmp(value
, "on"))
1059 if (!strcasecmp(value
, "false")
1060 || !strcasecmp(value
, "no")
1061 || !strcasecmp(value
, "off"))
1066 int git_parse_maybe_bool(const char *value
)
1068 int v
= git_parse_maybe_bool_text(value
);
1071 if (git_parse_int(value
, &v
))
1076 int git_config_bool_or_int(const char *name
, const char *value
, int *is_bool
)
1078 int v
= git_parse_maybe_bool_text(value
);
1084 return git_config_int(name
, value
);
1087 int git_config_bool(const char *name
, const char *value
)
1090 return !!git_config_bool_or_int(name
, value
, &discard
);
1093 int git_config_string(const char **dest
, const char *var
, const char *value
)
1096 return config_error_nonbool(var
);
1097 *dest
= xstrdup(value
);
1101 int git_config_pathname(const char **dest
, const char *var
, const char *value
)
1104 return config_error_nonbool(var
);
1105 *dest
= expand_user_path(value
, 0);
1107 die(_("failed to expand user dir in: '%s'"), value
);
1111 int git_config_expiry_date(timestamp_t
*timestamp
, const char *var
, const char *value
)
1114 return config_error_nonbool(var
);
1115 if (parse_expiry_date(value
, timestamp
))
1116 return error(_("'%s' for '%s' is not a valid timestamp"),
1121 int git_config_color(char *dest
, const char *var
, const char *value
)
1124 return config_error_nonbool(var
);
1125 if (color_parse(value
, dest
) < 0)
1130 static int git_default_core_config(const char *var
, const char *value
, void *cb
)
1132 /* This needs a better name */
1133 if (!strcmp(var
, "core.filemode")) {
1134 trust_executable_bit
= git_config_bool(var
, value
);
1137 if (!strcmp(var
, "core.trustctime")) {
1138 trust_ctime
= git_config_bool(var
, value
);
1141 if (!strcmp(var
, "core.checkstat")) {
1142 if (!strcasecmp(value
, "default"))
1144 else if (!strcasecmp(value
, "minimal"))
1148 if (!strcmp(var
, "core.quotepath")) {
1149 quote_path_fully
= git_config_bool(var
, value
);
1153 if (!strcmp(var
, "core.symlinks")) {
1154 has_symlinks
= git_config_bool(var
, value
);
1158 if (!strcmp(var
, "core.ignorecase")) {
1159 ignore_case
= git_config_bool(var
, value
);
1163 if (!strcmp(var
, "core.attributesfile"))
1164 return git_config_pathname(&git_attributes_file
, var
, value
);
1166 if (!strcmp(var
, "core.hookspath"))
1167 return git_config_pathname(&git_hooks_path
, var
, value
);
1169 if (!strcmp(var
, "core.bare")) {
1170 is_bare_repository_cfg
= git_config_bool(var
, value
);
1174 if (!strcmp(var
, "core.ignorestat")) {
1175 assume_unchanged
= git_config_bool(var
, value
);
1179 if (!strcmp(var
, "core.prefersymlinkrefs")) {
1180 prefer_symlink_refs
= git_config_bool(var
, value
);
1184 if (!strcmp(var
, "core.logallrefupdates")) {
1185 if (value
&& !strcasecmp(value
, "always"))
1186 log_all_ref_updates
= LOG_REFS_ALWAYS
;
1187 else if (git_config_bool(var
, value
))
1188 log_all_ref_updates
= LOG_REFS_NORMAL
;
1190 log_all_ref_updates
= LOG_REFS_NONE
;
1194 if (!strcmp(var
, "core.warnambiguousrefs")) {
1195 warn_ambiguous_refs
= git_config_bool(var
, value
);
1199 if (!strcmp(var
, "core.abbrev")) {
1201 return config_error_nonbool(var
);
1202 if (!strcasecmp(value
, "auto"))
1203 default_abbrev
= -1;
1205 int abbrev
= git_config_int(var
, value
);
1206 if (abbrev
< minimum_abbrev
|| abbrev
> 40)
1207 return error(_("abbrev length out of range: %d"), abbrev
);
1208 default_abbrev
= abbrev
;
1213 if (!strcmp(var
, "core.disambiguate"))
1214 return set_disambiguate_hint_config(var
, value
);
1216 if (!strcmp(var
, "core.loosecompression")) {
1217 int level
= git_config_int(var
, value
);
1219 level
= Z_DEFAULT_COMPRESSION
;
1220 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1221 die(_("bad zlib compression level %d"), level
);
1222 zlib_compression_level
= level
;
1223 zlib_compression_seen
= 1;
1227 if (!strcmp(var
, "core.compression")) {
1228 int level
= git_config_int(var
, value
);
1230 level
= Z_DEFAULT_COMPRESSION
;
1231 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1232 die(_("bad zlib compression level %d"), level
);
1233 core_compression_level
= level
;
1234 core_compression_seen
= 1;
1235 if (!zlib_compression_seen
)
1236 zlib_compression_level
= level
;
1237 if (!pack_compression_seen
)
1238 pack_compression_level
= level
;
1242 if (!strcmp(var
, "core.packedgitwindowsize")) {
1243 int pgsz_x2
= getpagesize() * 2;
1244 packed_git_window_size
= git_config_ulong(var
, value
);
1246 /* This value must be multiple of (pagesize * 2) */
1247 packed_git_window_size
/= pgsz_x2
;
1248 if (packed_git_window_size
< 1)
1249 packed_git_window_size
= 1;
1250 packed_git_window_size
*= pgsz_x2
;
1254 if (!strcmp(var
, "core.bigfilethreshold")) {
1255 big_file_threshold
= git_config_ulong(var
, value
);
1259 if (!strcmp(var
, "core.packedgitlimit")) {
1260 packed_git_limit
= git_config_ulong(var
, value
);
1264 if (!strcmp(var
, "core.deltabasecachelimit")) {
1265 delta_base_cache_limit
= git_config_ulong(var
, value
);
1269 if (!strcmp(var
, "core.autocrlf")) {
1270 if (value
&& !strcasecmp(value
, "input")) {
1271 auto_crlf
= AUTO_CRLF_INPUT
;
1274 auto_crlf
= git_config_bool(var
, value
);
1278 if (!strcmp(var
, "core.safecrlf")) {
1280 if (value
&& !strcasecmp(value
, "warn")) {
1281 global_conv_flags_eol
= CONV_EOL_RNDTRP_WARN
;
1284 eol_rndtrp_die
= git_config_bool(var
, value
);
1285 global_conv_flags_eol
= eol_rndtrp_die
?
1286 CONV_EOL_RNDTRP_DIE
: 0;
1290 if (!strcmp(var
, "core.eol")) {
1291 if (value
&& !strcasecmp(value
, "lf"))
1293 else if (value
&& !strcasecmp(value
, "crlf"))
1294 core_eol
= EOL_CRLF
;
1295 else if (value
&& !strcasecmp(value
, "native"))
1296 core_eol
= EOL_NATIVE
;
1298 core_eol
= EOL_UNSET
;
1302 if (!strcmp(var
, "core.checkroundtripencoding")) {
1303 check_roundtrip_encoding
= xstrdup(value
);
1307 if (!strcmp(var
, "core.notesref")) {
1308 notes_ref_name
= xstrdup(value
);
1312 if (!strcmp(var
, "core.editor"))
1313 return git_config_string(&editor_program
, var
, value
);
1315 if (!strcmp(var
, "core.commentchar")) {
1317 return config_error_nonbool(var
);
1318 else if (!strcasecmp(value
, "auto"))
1319 auto_comment_line_char
= 1;
1320 else if (value
[0] && !value
[1]) {
1321 comment_line_char
= value
[0];
1322 auto_comment_line_char
= 0;
1324 return error(_("core.commentChar should only be one character"));
1328 if (!strcmp(var
, "core.askpass"))
1329 return git_config_string(&askpass_program
, var
, value
);
1331 if (!strcmp(var
, "core.excludesfile"))
1332 return git_config_pathname(&excludes_file
, var
, value
);
1334 if (!strcmp(var
, "core.whitespace")) {
1336 return config_error_nonbool(var
);
1337 whitespace_rule_cfg
= parse_whitespace_rule(value
);
1341 if (!strcmp(var
, "core.fsyncobjectfiles")) {
1342 fsync_object_files
= git_config_bool(var
, value
);
1346 if (!strcmp(var
, "core.preloadindex")) {
1347 core_preload_index
= git_config_bool(var
, value
);
1351 if (!strcmp(var
, "core.createobject")) {
1352 if (!strcmp(value
, "rename"))
1353 object_creation_mode
= OBJECT_CREATION_USES_RENAMES
;
1354 else if (!strcmp(value
, "link"))
1355 object_creation_mode
= OBJECT_CREATION_USES_HARDLINKS
;
1357 die(_("invalid mode for object creation: %s"), value
);
1361 if (!strcmp(var
, "core.sparsecheckout")) {
1362 core_apply_sparse_checkout
= git_config_bool(var
, value
);
1366 if (!strcmp(var
, "core.precomposeunicode")) {
1367 precomposed_unicode
= git_config_bool(var
, value
);
1371 if (!strcmp(var
, "core.protecthfs")) {
1372 protect_hfs
= git_config_bool(var
, value
);
1376 if (!strcmp(var
, "core.protectntfs")) {
1377 protect_ntfs
= git_config_bool(var
, value
);
1381 if (!strcmp(var
, "core.partialclonefilter")) {
1382 return git_config_string(&core_partial_clone_filter_default
,
1386 if (!strcmp(var
, "core.usereplacerefs")) {
1387 read_replace_refs
= git_config_bool(var
, value
);
1391 /* Add other config variables here and to Documentation/config.txt. */
1392 return platform_core_config(var
, value
, cb
);
1395 static int git_default_i18n_config(const char *var
, const char *value
)
1397 if (!strcmp(var
, "i18n.commitencoding"))
1398 return git_config_string(&git_commit_encoding
, var
, value
);
1400 if (!strcmp(var
, "i18n.logoutputencoding"))
1401 return git_config_string(&git_log_output_encoding
, var
, value
);
1403 /* Add other config variables here and to Documentation/config.txt. */
1407 static int git_default_branch_config(const char *var
, const char *value
)
1409 if (!strcmp(var
, "branch.autosetupmerge")) {
1410 if (value
&& !strcasecmp(value
, "always")) {
1411 git_branch_track
= BRANCH_TRACK_ALWAYS
;
1414 git_branch_track
= git_config_bool(var
, value
);
1417 if (!strcmp(var
, "branch.autosetuprebase")) {
1419 return config_error_nonbool(var
);
1420 else if (!strcmp(value
, "never"))
1421 autorebase
= AUTOREBASE_NEVER
;
1422 else if (!strcmp(value
, "local"))
1423 autorebase
= AUTOREBASE_LOCAL
;
1424 else if (!strcmp(value
, "remote"))
1425 autorebase
= AUTOREBASE_REMOTE
;
1426 else if (!strcmp(value
, "always"))
1427 autorebase
= AUTOREBASE_ALWAYS
;
1429 return error(_("malformed value for %s"), var
);
1433 /* Add other config variables here and to Documentation/config.txt. */
1437 static int git_default_push_config(const char *var
, const char *value
)
1439 if (!strcmp(var
, "push.default")) {
1441 return config_error_nonbool(var
);
1442 else if (!strcmp(value
, "nothing"))
1443 push_default
= PUSH_DEFAULT_NOTHING
;
1444 else if (!strcmp(value
, "matching"))
1445 push_default
= PUSH_DEFAULT_MATCHING
;
1446 else if (!strcmp(value
, "simple"))
1447 push_default
= PUSH_DEFAULT_SIMPLE
;
1448 else if (!strcmp(value
, "upstream"))
1449 push_default
= PUSH_DEFAULT_UPSTREAM
;
1450 else if (!strcmp(value
, "tracking")) /* deprecated */
1451 push_default
= PUSH_DEFAULT_UPSTREAM
;
1452 else if (!strcmp(value
, "current"))
1453 push_default
= PUSH_DEFAULT_CURRENT
;
1455 error(_("malformed value for %s: %s"), var
, value
);
1456 return error(_("must be one of nothing, matching, simple, "
1457 "upstream or current"));
1462 /* Add other config variables here and to Documentation/config.txt. */
1466 static int git_default_mailmap_config(const char *var
, const char *value
)
1468 if (!strcmp(var
, "mailmap.file"))
1469 return git_config_pathname(&git_mailmap_file
, var
, value
);
1470 if (!strcmp(var
, "mailmap.blob"))
1471 return git_config_string(&git_mailmap_blob
, var
, value
);
1473 /* Add other config variables here and to Documentation/config.txt. */
1477 int git_default_config(const char *var
, const char *value
, void *cb
)
1479 if (starts_with(var
, "core."))
1480 return git_default_core_config(var
, value
, cb
);
1482 if (starts_with(var
, "user.") ||
1483 starts_with(var
, "author.") ||
1484 starts_with(var
, "committer."))
1485 return git_ident_config(var
, value
, cb
);
1487 if (starts_with(var
, "i18n."))
1488 return git_default_i18n_config(var
, value
);
1490 if (starts_with(var
, "branch."))
1491 return git_default_branch_config(var
, value
);
1493 if (starts_with(var
, "push."))
1494 return git_default_push_config(var
, value
);
1496 if (starts_with(var
, "mailmap."))
1497 return git_default_mailmap_config(var
, value
);
1499 if (starts_with(var
, "advice.") || starts_with(var
, "color.advice"))
1500 return git_default_advice_config(var
, value
);
1502 if (!strcmp(var
, "pager.color") || !strcmp(var
, "color.pager")) {
1503 pager_use_color
= git_config_bool(var
,value
);
1507 if (!strcmp(var
, "pack.packsizelimit")) {
1508 pack_size_limit_cfg
= git_config_ulong(var
, value
);
1512 if (!strcmp(var
, "pack.compression")) {
1513 int level
= git_config_int(var
, value
);
1515 level
= Z_DEFAULT_COMPRESSION
;
1516 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1517 die(_("bad pack compression level %d"), level
);
1518 pack_compression_level
= level
;
1519 pack_compression_seen
= 1;
1523 /* Add other config variables here and to Documentation/config.txt. */
1528 * All source specific fields in the union, die_on_error, name and the callbacks
1529 * fgetc, ungetc, ftell of top need to be initialized before calling
1532 static int do_config_from(struct config_source
*top
, config_fn_t fn
, void *data
,
1533 const struct config_options
*opts
)
1537 /* push config-file parsing state stack */
1541 strbuf_init(&top
->value
, 1024);
1542 strbuf_init(&top
->var
, 1024);
1545 ret
= git_parse_source(fn
, data
, opts
);
1547 /* pop config-file parsing state stack */
1548 strbuf_release(&top
->value
);
1549 strbuf_release(&top
->var
);
1555 static int do_config_from_file(config_fn_t fn
,
1556 const enum config_origin_type origin_type
,
1557 const char *name
, const char *path
, FILE *f
,
1558 void *data
, const struct config_options
*opts
)
1560 struct config_source top
;
1564 top
.origin_type
= origin_type
;
1567 top
.default_error_action
= CONFIG_ERROR_DIE
;
1568 top
.do_fgetc
= config_file_fgetc
;
1569 top
.do_ungetc
= config_file_ungetc
;
1570 top
.do_ftell
= config_file_ftell
;
1573 ret
= do_config_from(&top
, fn
, data
, opts
);
1578 static int git_config_from_stdin(config_fn_t fn
, void *data
)
1580 return do_config_from_file(fn
, CONFIG_ORIGIN_STDIN
, "", NULL
, stdin
,
1584 int git_config_from_file_with_options(config_fn_t fn
, const char *filename
,
1586 const struct config_options
*opts
)
1591 f
= fopen_or_warn(filename
, "r");
1593 ret
= do_config_from_file(fn
, CONFIG_ORIGIN_FILE
, filename
,
1594 filename
, f
, data
, opts
);
1600 int git_config_from_file(config_fn_t fn
, const char *filename
, void *data
)
1602 return git_config_from_file_with_options(fn
, filename
, data
, NULL
);
1605 int git_config_from_mem(config_fn_t fn
,
1606 const enum config_origin_type origin_type
,
1607 const char *name
, const char *buf
, size_t len
,
1608 void *data
, const struct config_options
*opts
)
1610 struct config_source top
;
1612 top
.u
.buf
.buf
= buf
;
1613 top
.u
.buf
.len
= len
;
1615 top
.origin_type
= origin_type
;
1618 top
.default_error_action
= CONFIG_ERROR_ERROR
;
1619 top
.do_fgetc
= config_buf_fgetc
;
1620 top
.do_ungetc
= config_buf_ungetc
;
1621 top
.do_ftell
= config_buf_ftell
;
1623 return do_config_from(&top
, fn
, data
, opts
);
1626 int git_config_from_blob_oid(config_fn_t fn
,
1628 const struct object_id
*oid
,
1631 enum object_type type
;
1636 buf
= read_object_file(oid
, &type
, &size
);
1638 return error(_("unable to load config blob object '%s'"), name
);
1639 if (type
!= OBJ_BLOB
) {
1641 return error(_("reference '%s' does not point to a blob"), name
);
1644 ret
= git_config_from_mem(fn
, CONFIG_ORIGIN_BLOB
, name
, buf
, size
,
1651 static int git_config_from_blob_ref(config_fn_t fn
,
1655 struct object_id oid
;
1657 if (get_oid(name
, &oid
) < 0)
1658 return error(_("unable to resolve config blob '%s'"), name
);
1659 return git_config_from_blob_oid(fn
, name
, &oid
, data
);
1662 const char *git_etc_gitconfig(void)
1664 static const char *system_wide
;
1666 system_wide
= system_path(ETC_GITCONFIG
);
1671 * Parse environment variable 'k' as a boolean (in various
1672 * possible spellings); if missing, use the default value 'def'.
1674 int git_env_bool(const char *k
, int def
)
1676 const char *v
= getenv(k
);
1677 return v
? git_config_bool(k
, v
) : def
;
1681 * Parse environment variable 'k' as ulong with possibly a unit
1682 * suffix; if missing, use the default value 'val'.
1684 unsigned long git_env_ulong(const char *k
, unsigned long val
)
1686 const char *v
= getenv(k
);
1687 if (v
&& !git_parse_ulong(v
, &val
))
1688 die(_("failed to parse %s"), k
);
1692 int git_config_system(void)
1694 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
1697 static int do_git_config_sequence(const struct config_options
*opts
,
1698 config_fn_t fn
, void *data
)
1701 char *xdg_config
= xdg_config_home("config");
1702 char *user_config
= expand_user_path("~/.gitconfig", 0);
1705 if (opts
->commondir
)
1706 repo_config
= mkpathdup("%s/config", opts
->commondir
);
1707 else if (opts
->git_dir
)
1708 BUG("git_dir without commondir");
1712 current_parsing_scope
= CONFIG_SCOPE_SYSTEM
;
1713 if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK
,
1714 opts
->system_gently
?
1715 ACCESS_EACCES_OK
: 0))
1716 ret
+= git_config_from_file(fn
, git_etc_gitconfig(),
1719 current_parsing_scope
= CONFIG_SCOPE_GLOBAL
;
1720 if (xdg_config
&& !access_or_die(xdg_config
, R_OK
, ACCESS_EACCES_OK
))
1721 ret
+= git_config_from_file(fn
, xdg_config
, data
);
1723 if (user_config
&& !access_or_die(user_config
, R_OK
, ACCESS_EACCES_OK
))
1724 ret
+= git_config_from_file(fn
, user_config
, data
);
1726 current_parsing_scope
= CONFIG_SCOPE_REPO
;
1727 if (!opts
->ignore_repo
&& repo_config
&&
1728 !access_or_die(repo_config
, R_OK
, 0))
1729 ret
+= git_config_from_file(fn
, repo_config
, data
);
1732 * Note: this should have a new scope, CONFIG_SCOPE_WORKTREE.
1733 * But let's not complicate things before it's actually needed.
1735 if (!opts
->ignore_worktree
&& repository_format_worktree_config
) {
1736 char *path
= git_pathdup("config.worktree");
1737 if (!access_or_die(path
, R_OK
, 0))
1738 ret
+= git_config_from_file(fn
, path
, data
);
1742 current_parsing_scope
= CONFIG_SCOPE_CMDLINE
;
1743 if (!opts
->ignore_cmdline
&& git_config_from_parameters(fn
, data
) < 0)
1744 die(_("unable to parse command-line config"));
1746 current_parsing_scope
= CONFIG_SCOPE_UNKNOWN
;
1753 int config_with_options(config_fn_t fn
, void *data
,
1754 struct git_config_source
*config_source
,
1755 const struct config_options
*opts
)
1757 struct config_include_data inc
= CONFIG_INCLUDE_INIT
;
1759 if (opts
->respect_includes
) {
1763 fn
= git_config_include
;
1768 * If we have a specific filename, use it. Otherwise, follow the
1769 * regular lookup sequence.
1771 if (config_source
&& config_source
->use_stdin
)
1772 return git_config_from_stdin(fn
, data
);
1773 else if (config_source
&& config_source
->file
)
1774 return git_config_from_file(fn
, config_source
->file
, data
);
1775 else if (config_source
&& config_source
->blob
)
1776 return git_config_from_blob_ref(fn
, config_source
->blob
, data
);
1778 return do_git_config_sequence(opts
, fn
, data
);
1781 static void configset_iter(struct config_set
*cs
, config_fn_t fn
, void *data
)
1784 struct string_list
*values
;
1785 struct config_set_element
*entry
;
1786 struct configset_list
*list
= &cs
->list
;
1788 for (i
= 0; i
< list
->nr
; i
++) {
1789 entry
= list
->items
[i
].e
;
1790 value_index
= list
->items
[i
].value_index
;
1791 values
= &entry
->value_list
;
1793 current_config_kvi
= values
->items
[value_index
].util
;
1795 if (fn(entry
->key
, values
->items
[value_index
].string
, data
) < 0)
1796 git_die_config_linenr(entry
->key
,
1797 current_config_kvi
->filename
,
1798 current_config_kvi
->linenr
);
1800 current_config_kvi
= NULL
;
1804 void read_early_config(config_fn_t cb
, void *data
)
1806 struct config_options opts
= {0};
1807 struct strbuf commondir
= STRBUF_INIT
;
1808 struct strbuf gitdir
= STRBUF_INIT
;
1810 opts
.respect_includes
= 1;
1812 if (have_git_dir()) {
1813 opts
.commondir
= get_git_common_dir();
1814 opts
.git_dir
= get_git_dir();
1816 * When setup_git_directory() was not yet asked to discover the
1817 * GIT_DIR, we ask discover_git_directory() to figure out whether there
1818 * is any repository config we should use (but unlike
1819 * setup_git_directory_gently(), no global state is changed, most
1820 * notably, the current working directory is still the same after the
1823 } else if (!discover_git_directory(&commondir
, &gitdir
)) {
1824 opts
.commondir
= commondir
.buf
;
1825 opts
.git_dir
= gitdir
.buf
;
1828 config_with_options(cb
, data
, NULL
, &opts
);
1830 strbuf_release(&commondir
);
1831 strbuf_release(&gitdir
);
1835 * Read config but only enumerate system and global settings.
1836 * Omit any repo-local, worktree-local, or command-line settings.
1838 void read_very_early_config(config_fn_t cb
, void *data
)
1840 struct config_options opts
= { 0 };
1842 opts
.respect_includes
= 1;
1843 opts
.ignore_repo
= 1;
1844 opts
.ignore_worktree
= 1;
1845 opts
.ignore_cmdline
= 1;
1846 opts
.system_gently
= 1;
1848 config_with_options(cb
, data
, NULL
, &opts
);
1851 static struct config_set_element
*configset_find_element(struct config_set
*cs
, const char *key
)
1853 struct config_set_element k
;
1854 struct config_set_element
*found_entry
;
1855 char *normalized_key
;
1857 * `key` may come from the user, so normalize it before using it
1858 * for querying entries from the hashmap.
1860 if (git_config_parse_key(key
, &normalized_key
, NULL
))
1863 hashmap_entry_init(&k
, strhash(normalized_key
));
1864 k
.key
= normalized_key
;
1865 found_entry
= hashmap_get(&cs
->config_hash
, &k
, NULL
);
1866 free(normalized_key
);
1870 static int configset_add_value(struct config_set
*cs
, const char *key
, const char *value
)
1872 struct config_set_element
*e
;
1873 struct string_list_item
*si
;
1874 struct configset_list_item
*l_item
;
1875 struct key_value_info
*kv_info
= xmalloc(sizeof(*kv_info
));
1877 e
= configset_find_element(cs
, key
);
1879 * Since the keys are being fed by git_config*() callback mechanism, they
1880 * are already normalized. So simply add them without any further munging.
1883 e
= xmalloc(sizeof(*e
));
1884 hashmap_entry_init(e
, strhash(key
));
1885 e
->key
= xstrdup(key
);
1886 string_list_init(&e
->value_list
, 1);
1887 hashmap_add(&cs
->config_hash
, e
);
1889 si
= string_list_append_nodup(&e
->value_list
, xstrdup_or_null(value
));
1891 ALLOC_GROW(cs
->list
.items
, cs
->list
.nr
+ 1, cs
->list
.alloc
);
1892 l_item
= &cs
->list
.items
[cs
->list
.nr
++];
1894 l_item
->value_index
= e
->value_list
.nr
- 1;
1897 BUG("configset_add_value has no source");
1899 kv_info
->filename
= strintern(cf
->name
);
1900 kv_info
->linenr
= cf
->linenr
;
1901 kv_info
->origin_type
= cf
->origin_type
;
1903 /* for values read from `git_config_from_parameters()` */
1904 kv_info
->filename
= NULL
;
1905 kv_info
->linenr
= -1;
1906 kv_info
->origin_type
= CONFIG_ORIGIN_CMDLINE
;
1908 kv_info
->scope
= current_parsing_scope
;
1914 static int config_set_element_cmp(const void *unused_cmp_data
,
1916 const void *entry_or_key
,
1917 const void *unused_keydata
)
1919 const struct config_set_element
*e1
= entry
;
1920 const struct config_set_element
*e2
= entry_or_key
;
1922 return strcmp(e1
->key
, e2
->key
);
1925 void git_configset_init(struct config_set
*cs
)
1927 hashmap_init(&cs
->config_hash
, config_set_element_cmp
, NULL
, 0);
1928 cs
->hash_initialized
= 1;
1931 cs
->list
.items
= NULL
;
1934 void git_configset_clear(struct config_set
*cs
)
1936 struct config_set_element
*entry
;
1937 struct hashmap_iter iter
;
1938 if (!cs
->hash_initialized
)
1941 hashmap_iter_init(&cs
->config_hash
, &iter
);
1942 while ((entry
= hashmap_iter_next(&iter
))) {
1944 string_list_clear(&entry
->value_list
, 1);
1946 hashmap_free(&cs
->config_hash
, 1);
1947 cs
->hash_initialized
= 0;
1948 free(cs
->list
.items
);
1951 cs
->list
.items
= NULL
;
1954 static int config_set_callback(const char *key
, const char *value
, void *cb
)
1956 struct config_set
*cs
= cb
;
1957 configset_add_value(cs
, key
, value
);
1961 int git_configset_add_file(struct config_set
*cs
, const char *filename
)
1963 return git_config_from_file(config_set_callback
, filename
, cs
);
1966 int git_configset_get_value(struct config_set
*cs
, const char *key
, const char **value
)
1968 const struct string_list
*values
= NULL
;
1970 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
1971 * queried key in the files of the configset, the value returned will be the last
1972 * value in the value list for that key.
1974 values
= git_configset_get_value_multi(cs
, key
);
1978 assert(values
->nr
> 0);
1979 *value
= values
->items
[values
->nr
- 1].string
;
1983 const struct string_list
*git_configset_get_value_multi(struct config_set
*cs
, const char *key
)
1985 struct config_set_element
*e
= configset_find_element(cs
, key
);
1986 return e
? &e
->value_list
: NULL
;
1989 int git_configset_get_string_const(struct config_set
*cs
, const char *key
, const char **dest
)
1992 if (!git_configset_get_value(cs
, key
, &value
))
1993 return git_config_string(dest
, key
, value
);
1998 int git_configset_get_string(struct config_set
*cs
, const char *key
, char **dest
)
2000 return git_configset_get_string_const(cs
, key
, (const char **)dest
);
2003 int git_configset_get_int(struct config_set
*cs
, const char *key
, int *dest
)
2006 if (!git_configset_get_value(cs
, key
, &value
)) {
2007 *dest
= git_config_int(key
, value
);
2013 int git_configset_get_ulong(struct config_set
*cs
, const char *key
, unsigned long *dest
)
2016 if (!git_configset_get_value(cs
, key
, &value
)) {
2017 *dest
= git_config_ulong(key
, value
);
2023 int git_configset_get_bool(struct config_set
*cs
, const char *key
, int *dest
)
2026 if (!git_configset_get_value(cs
, key
, &value
)) {
2027 *dest
= git_config_bool(key
, value
);
2033 int git_configset_get_bool_or_int(struct config_set
*cs
, const char *key
,
2034 int *is_bool
, int *dest
)
2037 if (!git_configset_get_value(cs
, key
, &value
)) {
2038 *dest
= git_config_bool_or_int(key
, value
, is_bool
);
2044 int git_configset_get_maybe_bool(struct config_set
*cs
, const char *key
, int *dest
)
2047 if (!git_configset_get_value(cs
, key
, &value
)) {
2048 *dest
= git_parse_maybe_bool(value
);
2056 int git_configset_get_pathname(struct config_set
*cs
, const char *key
, const char **dest
)
2059 if (!git_configset_get_value(cs
, key
, &value
))
2060 return git_config_pathname(dest
, key
, value
);
2065 /* Functions use to read configuration from a repository */
2066 static void repo_read_config(struct repository
*repo
)
2068 struct config_options opts
= { 0 };
2070 opts
.respect_includes
= 1;
2071 opts
.commondir
= repo
->commondir
;
2072 opts
.git_dir
= repo
->gitdir
;
2075 repo
->config
= xcalloc(1, sizeof(struct config_set
));
2077 git_configset_clear(repo
->config
);
2079 git_configset_init(repo
->config
);
2081 if (config_with_options(config_set_callback
, repo
->config
, NULL
, &opts
) < 0)
2083 * config_with_options() normally returns only
2084 * zero, as most errors are fatal, and
2085 * non-fatal potential errors are guarded by "if"
2086 * statements that are entered only when no error is
2089 * If we ever encounter a non-fatal error, it means
2090 * something went really wrong and we should stop
2093 die(_("unknown error occurred while reading the configuration files"));
2096 static void git_config_check_init(struct repository
*repo
)
2098 if (repo
->config
&& repo
->config
->hash_initialized
)
2100 repo_read_config(repo
);
2103 static void repo_config_clear(struct repository
*repo
)
2105 if (!repo
->config
|| !repo
->config
->hash_initialized
)
2107 git_configset_clear(repo
->config
);
2110 void repo_config(struct repository
*repo
, config_fn_t fn
, void *data
)
2112 git_config_check_init(repo
);
2113 configset_iter(repo
->config
, fn
, data
);
2116 int repo_config_get_value(struct repository
*repo
,
2117 const char *key
, const char **value
)
2119 git_config_check_init(repo
);
2120 return git_configset_get_value(repo
->config
, key
, value
);
2123 const struct string_list
*repo_config_get_value_multi(struct repository
*repo
,
2126 git_config_check_init(repo
);
2127 return git_configset_get_value_multi(repo
->config
, key
);
2130 int repo_config_get_string_const(struct repository
*repo
,
2131 const char *key
, const char **dest
)
2134 git_config_check_init(repo
);
2135 ret
= git_configset_get_string_const(repo
->config
, key
, dest
);
2137 git_die_config(key
, NULL
);
2141 int repo_config_get_string(struct repository
*repo
,
2142 const char *key
, char **dest
)
2144 git_config_check_init(repo
);
2145 return repo_config_get_string_const(repo
, key
, (const char **)dest
);
2148 int repo_config_get_int(struct repository
*repo
,
2149 const char *key
, int *dest
)
2151 git_config_check_init(repo
);
2152 return git_configset_get_int(repo
->config
, key
, dest
);
2155 int repo_config_get_ulong(struct repository
*repo
,
2156 const char *key
, unsigned long *dest
)
2158 git_config_check_init(repo
);
2159 return git_configset_get_ulong(repo
->config
, key
, dest
);
2162 int repo_config_get_bool(struct repository
*repo
,
2163 const char *key
, int *dest
)
2165 git_config_check_init(repo
);
2166 return git_configset_get_bool(repo
->config
, key
, dest
);
2169 int repo_config_get_bool_or_int(struct repository
*repo
,
2170 const char *key
, int *is_bool
, int *dest
)
2172 git_config_check_init(repo
);
2173 return git_configset_get_bool_or_int(repo
->config
, key
, is_bool
, dest
);
2176 int repo_config_get_maybe_bool(struct repository
*repo
,
2177 const char *key
, int *dest
)
2179 git_config_check_init(repo
);
2180 return git_configset_get_maybe_bool(repo
->config
, key
, dest
);
2183 int repo_config_get_pathname(struct repository
*repo
,
2184 const char *key
, const char **dest
)
2187 git_config_check_init(repo
);
2188 ret
= git_configset_get_pathname(repo
->config
, key
, dest
);
2190 git_die_config(key
, NULL
);
2194 /* Functions used historically to read configuration from 'the_repository' */
2195 void git_config(config_fn_t fn
, void *data
)
2197 repo_config(the_repository
, fn
, data
);
2200 void git_config_clear(void)
2202 repo_config_clear(the_repository
);
2205 int git_config_get_value(const char *key
, const char **value
)
2207 return repo_config_get_value(the_repository
, key
, value
);
2210 const struct string_list
*git_config_get_value_multi(const char *key
)
2212 return repo_config_get_value_multi(the_repository
, key
);
2215 int git_config_get_string_const(const char *key
, const char **dest
)
2217 return repo_config_get_string_const(the_repository
, key
, dest
);
2220 int git_config_get_string(const char *key
, char **dest
)
2222 return repo_config_get_string(the_repository
, key
, dest
);
2225 int git_config_get_int(const char *key
, int *dest
)
2227 return repo_config_get_int(the_repository
, key
, dest
);
2230 int git_config_get_ulong(const char *key
, unsigned long *dest
)
2232 return repo_config_get_ulong(the_repository
, key
, dest
);
2235 int git_config_get_bool(const char *key
, int *dest
)
2237 return repo_config_get_bool(the_repository
, key
, dest
);
2240 int git_config_get_bool_or_int(const char *key
, int *is_bool
, int *dest
)
2242 return repo_config_get_bool_or_int(the_repository
, key
, is_bool
, dest
);
2245 int git_config_get_maybe_bool(const char *key
, int *dest
)
2247 return repo_config_get_maybe_bool(the_repository
, key
, dest
);
2250 int git_config_get_pathname(const char *key
, const char **dest
)
2252 return repo_config_get_pathname(the_repository
, key
, dest
);
2255 int git_config_get_expiry(const char *key
, const char **output
)
2257 int ret
= git_config_get_string_const(key
, output
);
2260 if (strcmp(*output
, "now")) {
2261 timestamp_t now
= approxidate("now");
2262 if (approxidate(*output
) >= now
)
2263 git_die_config(key
, _("Invalid %s: '%s'"), key
, *output
);
2268 int git_config_get_expiry_in_days(const char *key
, timestamp_t
*expiry
, timestamp_t now
)
2270 char *expiry_string
;
2274 if (git_config_get_string(key
, &expiry_string
))
2275 return 1; /* no such thing */
2277 if (git_parse_signed(expiry_string
, &days
, maximum_signed_value_of_type(int))) {
2278 const int scale
= 86400;
2279 *expiry
= now
- days
* scale
;
2283 if (!parse_expiry_date(expiry_string
, &when
)) {
2287 return -1; /* thing exists but cannot be parsed */
2290 int git_config_get_untracked_cache(void)
2295 /* Hack for test programs like test-dump-untracked-cache */
2296 if (ignore_untracked_cache_config
)
2299 if (!git_config_get_maybe_bool("core.untrackedcache", &val
))
2302 if (!git_config_get_value("core.untrackedcache", &v
)) {
2303 if (!strcasecmp(v
, "keep"))
2306 error(_("unknown core.untrackedCache value '%s'; "
2307 "using 'keep' default value"), v
);
2311 return -1; /* default value */
2314 int git_config_get_split_index(void)
2318 if (!git_config_get_maybe_bool("core.splitindex", &val
))
2321 return -1; /* default value */
2324 int git_config_get_max_percent_split_change(void)
2328 if (!git_config_get_int("splitindex.maxpercentchange", &val
)) {
2329 if (0 <= val
&& val
<= 100)
2332 return error(_("splitIndex.maxPercentChange value '%d' "
2333 "should be between 0 and 100"), val
);
2336 return -1; /* default value */
2339 int git_config_get_fsmonitor(void)
2341 if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor
))
2342 core_fsmonitor
= getenv("GIT_TEST_FSMONITOR");
2344 if (core_fsmonitor
&& !*core_fsmonitor
)
2345 core_fsmonitor
= NULL
;
2353 int git_config_get_index_threads(int *dest
)
2357 val
= git_env_ulong("GIT_TEST_INDEX_THREADS", 0);
2363 if (!git_config_get_bool_or_int("index.threads", &is_bool
, &val
)) {
2365 *dest
= val
? 0 : 1;
2375 void git_die_config_linenr(const char *key
, const char *filename
, int linenr
)
2378 die(_("unable to parse '%s' from command-line config"), key
);
2380 die(_("bad config variable '%s' in file '%s' at line %d"),
2381 key
, filename
, linenr
);
2384 NORETURN
__attribute__((format(printf
, 2, 3)))
2385 void git_die_config(const char *key
, const char *err
, ...)
2387 const struct string_list
*values
;
2388 struct key_value_info
*kv_info
;
2392 va_start(params
, err
);
2393 vreportf("error: ", err
, params
);
2396 values
= git_config_get_value_multi(key
);
2397 kv_info
= values
->items
[values
->nr
- 1].util
;
2398 git_die_config_linenr(key
, kv_info
->filename
, kv_info
->linenr
);
2402 * Find all the stuff for git_config_set() below.
2405 struct config_store_data
{
2409 regex_t
*value_regex
;
2413 enum config_event_t type
;
2414 int is_keys_section
;
2416 unsigned int parsed_nr
, parsed_alloc
, *seen
, seen_nr
, seen_alloc
;
2417 unsigned int key_seen
:1, section_seen
:1, is_keys_section
:1;
2420 static void config_store_data_clear(struct config_store_data
*store
)
2423 if (store
->value_regex
!= NULL
&&
2424 store
->value_regex
!= CONFIG_REGEX_NONE
) {
2425 regfree(store
->value_regex
);
2426 free(store
->value_regex
);
2428 free(store
->parsed
);
2430 memset(store
, 0, sizeof(*store
));
2433 static int matches(const char *key
, const char *value
,
2434 const struct config_store_data
*store
)
2436 if (strcmp(key
, store
->key
))
2437 return 0; /* not ours */
2438 if (!store
->value_regex
)
2439 return 1; /* always matches */
2440 if (store
->value_regex
== CONFIG_REGEX_NONE
)
2441 return 0; /* never matches */
2443 return store
->do_not_match
^
2444 (value
&& !regexec(store
->value_regex
, value
, 0, NULL
, 0));
2447 static int store_aux_event(enum config_event_t type
,
2448 size_t begin
, size_t end
, void *data
)
2450 struct config_store_data
*store
= data
;
2452 ALLOC_GROW(store
->parsed
, store
->parsed_nr
+ 1, store
->parsed_alloc
);
2453 store
->parsed
[store
->parsed_nr
].begin
= begin
;
2454 store
->parsed
[store
->parsed_nr
].end
= end
;
2455 store
->parsed
[store
->parsed_nr
].type
= type
;
2457 if (type
== CONFIG_EVENT_SECTION
) {
2458 int (*cmpfn
)(const char *, const char *, size_t);
2460 if (cf
->var
.len
< 2 || cf
->var
.buf
[cf
->var
.len
- 1] != '.')
2461 return error(_("invalid section name '%s'"), cf
->var
.buf
);
2463 if (cf
->subsection_case_sensitive
)
2464 cmpfn
= strncasecmp
;
2468 /* Is this the section we were looking for? */
2469 store
->is_keys_section
=
2470 store
->parsed
[store
->parsed_nr
].is_keys_section
=
2471 cf
->var
.len
- 1 == store
->baselen
&&
2472 !cmpfn(cf
->var
.buf
, store
->key
, store
->baselen
);
2473 if (store
->is_keys_section
) {
2474 store
->section_seen
= 1;
2475 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1,
2477 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
2486 static int store_aux(const char *key
, const char *value
, void *cb
)
2488 struct config_store_data
*store
= cb
;
2490 if (store
->key_seen
) {
2491 if (matches(key
, value
, store
)) {
2492 if (store
->seen_nr
== 1 && store
->multi_replace
== 0) {
2493 warning(_("%s has multiple values"), key
);
2496 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1,
2499 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
2502 } else if (store
->is_keys_section
) {
2504 * Do not increment matches yet: this may not be a match, but we
2505 * are in the desired section.
2507 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1, store
->seen_alloc
);
2508 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
2509 store
->section_seen
= 1;
2511 if (matches(key
, value
, store
)) {
2513 store
->key_seen
= 1;
2520 static int write_error(const char *filename
)
2522 error(_("failed to write new configuration file %s"), filename
);
2524 /* Same error code as "failed to rename". */
2528 static struct strbuf
store_create_section(const char *key
,
2529 const struct config_store_data
*store
)
2533 struct strbuf sb
= STRBUF_INIT
;
2535 dot
= memchr(key
, '.', store
->baselen
);
2537 strbuf_addf(&sb
, "[%.*s \"", (int)(dot
- key
), key
);
2538 for (i
= dot
- key
+ 1; i
< store
->baselen
; i
++) {
2539 if (key
[i
] == '"' || key
[i
] == '\\')
2540 strbuf_addch(&sb
, '\\');
2541 strbuf_addch(&sb
, key
[i
]);
2543 strbuf_addstr(&sb
, "\"]\n");
2545 strbuf_addf(&sb
, "[%.*s]\n", store
->baselen
, key
);
2551 static ssize_t
write_section(int fd
, const char *key
,
2552 const struct config_store_data
*store
)
2554 struct strbuf sb
= store_create_section(key
, store
);
2557 ret
= write_in_full(fd
, sb
.buf
, sb
.len
);
2558 strbuf_release(&sb
);
2563 static ssize_t
write_pair(int fd
, const char *key
, const char *value
,
2564 const struct config_store_data
*store
)
2568 int length
= strlen(key
+ store
->baselen
+ 1);
2569 const char *quote
= "";
2570 struct strbuf sb
= STRBUF_INIT
;
2573 * Check to see if the value needs to be surrounded with a dq pair.
2574 * Note that problematic characters are always backslash-quoted; this
2575 * check is about not losing leading or trailing SP and strings that
2576 * follow beginning-of-comment characters (i.e. ';' and '#') by the
2577 * configuration parser.
2579 if (value
[0] == ' ')
2581 for (i
= 0; value
[i
]; i
++)
2582 if (value
[i
] == ';' || value
[i
] == '#')
2584 if (i
&& value
[i
- 1] == ' ')
2587 strbuf_addf(&sb
, "\t%.*s = %s",
2588 length
, key
+ store
->baselen
+ 1, quote
);
2590 for (i
= 0; value
[i
]; i
++)
2593 strbuf_addstr(&sb
, "\\n");
2596 strbuf_addstr(&sb
, "\\t");
2600 strbuf_addch(&sb
, '\\');
2603 strbuf_addch(&sb
, value
[i
]);
2606 strbuf_addf(&sb
, "%s\n", quote
);
2608 ret
= write_in_full(fd
, sb
.buf
, sb
.len
);
2609 strbuf_release(&sb
);
2615 * If we are about to unset the last key(s) in a section, and if there are
2616 * no comments surrounding (or included in) the section, we will want to
2617 * extend begin/end to remove the entire section.
2619 * Note: the parameter `seen_ptr` points to the index into the store.seen
2620 * array. * This index may be incremented if a section has more than one
2621 * entry (which all are to be removed).
2623 static void maybe_remove_section(struct config_store_data
*store
,
2624 size_t *begin_offset
, size_t *end_offset
,
2628 int i
, seen
, section_seen
= 0;
2631 * First, ensure that this is the first key, and that there are no
2632 * comments before the entry nor before the section header.
2635 for (i
= store
->seen
[seen
]; i
> 0; i
--) {
2636 enum config_event_t type
= store
->parsed
[i
- 1].type
;
2638 if (type
== CONFIG_EVENT_COMMENT
)
2639 /* There is a comment before this entry or section */
2641 if (type
== CONFIG_EVENT_ENTRY
) {
2643 /* This is not the section's first entry. */
2645 /* We encountered no comment before the section. */
2648 if (type
== CONFIG_EVENT_SECTION
) {
2649 if (!store
->parsed
[i
- 1].is_keys_section
)
2654 begin
= store
->parsed
[i
].begin
;
2657 * Next, make sure that we are removing he last key(s) in the section,
2658 * and that there are no comments that are possibly about the current
2661 for (i
= store
->seen
[seen
] + 1; i
< store
->parsed_nr
; i
++) {
2662 enum config_event_t type
= store
->parsed
[i
].type
;
2664 if (type
== CONFIG_EVENT_COMMENT
)
2666 if (type
== CONFIG_EVENT_SECTION
) {
2667 if (store
->parsed
[i
].is_keys_section
)
2671 if (type
== CONFIG_EVENT_ENTRY
) {
2672 if (++seen
< store
->seen_nr
&&
2673 i
== store
->seen
[seen
])
2674 /* We want to remove this entry, too */
2676 /* There is another entry in this section. */
2682 * We are really removing the last entry/entries from this section, and
2683 * there are no enclosed or surrounding comments. Remove the entire,
2684 * now-empty section.
2687 *begin_offset
= begin
;
2688 if (i
< store
->parsed_nr
)
2689 *end_offset
= store
->parsed
[i
].begin
;
2691 *end_offset
= store
->parsed
[store
->parsed_nr
- 1].end
;
2694 int git_config_set_in_file_gently(const char *config_filename
,
2695 const char *key
, const char *value
)
2697 return git_config_set_multivar_in_file_gently(config_filename
, key
, value
, NULL
, 0);
2700 void git_config_set_in_file(const char *config_filename
,
2701 const char *key
, const char *value
)
2703 git_config_set_multivar_in_file(config_filename
, key
, value
, NULL
, 0);
2706 int git_config_set_gently(const char *key
, const char *value
)
2708 return git_config_set_multivar_gently(key
, value
, NULL
, 0);
2711 void git_config_set(const char *key
, const char *value
)
2713 git_config_set_multivar(key
, value
, NULL
, 0);
2715 trace2_cmd_set_config(key
, value
);
2719 * If value==NULL, unset in (remove from) config,
2720 * if value_regex!=NULL, disregard key/value pairs where value does not match.
2721 * if value_regex==CONFIG_REGEX_NONE, do not match any existing values
2722 * (only add a new one)
2723 * if multi_replace==0, nothing, or only one matching key/value is replaced,
2724 * else all matching key/values (regardless how many) are removed,
2725 * before the new pair is written.
2727 * Returns 0 on success.
2729 * This function does this:
2731 * - it locks the config file by creating ".git/config.lock"
2733 * - it then parses the config using store_aux() as validator to find
2734 * the position on the key/value pair to replace. If it is to be unset,
2735 * it must be found exactly once.
2737 * - the config file is mmap()ed and the part before the match (if any) is
2738 * written to the lock file, then the changed part and the rest.
2740 * - the config file is removed and the lock file rename()d to it.
2743 int git_config_set_multivar_in_file_gently(const char *config_filename
,
2744 const char *key
, const char *value
,
2745 const char *value_regex
,
2748 int fd
= -1, in_fd
= -1;
2750 struct lock_file lock
= LOCK_INIT
;
2751 char *filename_buf
= NULL
;
2752 char *contents
= NULL
;
2754 struct config_store_data store
;
2756 memset(&store
, 0, sizeof(store
));
2758 /* parse-key returns negative; flip the sign to feed exit(3) */
2759 ret
= 0 - git_config_parse_key(key
, &store
.key
, &store
.baselen
);
2763 store
.multi_replace
= multi_replace
;
2765 if (!config_filename
)
2766 config_filename
= filename_buf
= git_pathdup("config");
2769 * The lock serves a purpose in addition to locking: the new
2770 * contents of .git/config will be written into it.
2772 fd
= hold_lock_file_for_update(&lock
, config_filename
, 0);
2774 error_errno(_("could not lock config file %s"), config_filename
);
2775 ret
= CONFIG_NO_LOCK
;
2780 * If .git/config does not exist yet, write a minimal version.
2782 in_fd
= open(config_filename
, O_RDONLY
);
2784 if ( ENOENT
!= errno
) {
2785 error_errno(_("opening %s"), config_filename
);
2786 ret
= CONFIG_INVALID_FILE
; /* same as "invalid config file" */
2789 /* if nothing to unset, error out */
2790 if (value
== NULL
) {
2791 ret
= CONFIG_NOTHING_SET
;
2796 store
.key
= xstrdup(key
);
2797 if (write_section(fd
, key
, &store
) < 0 ||
2798 write_pair(fd
, key
, value
, &store
) < 0)
2802 size_t copy_begin
, copy_end
;
2803 int i
, new_line
= 0;
2804 struct config_options opts
;
2806 if (value_regex
== NULL
)
2807 store
.value_regex
= NULL
;
2808 else if (value_regex
== CONFIG_REGEX_NONE
)
2809 store
.value_regex
= CONFIG_REGEX_NONE
;
2811 if (value_regex
[0] == '!') {
2812 store
.do_not_match
= 1;
2815 store
.do_not_match
= 0;
2817 store
.value_regex
= (regex_t
*)xmalloc(sizeof(regex_t
));
2818 if (regcomp(store
.value_regex
, value_regex
,
2820 error(_("invalid pattern: %s"), value_regex
);
2821 FREE_AND_NULL(store
.value_regex
);
2822 ret
= CONFIG_INVALID_PATTERN
;
2827 ALLOC_GROW(store
.parsed
, 1, store
.parsed_alloc
);
2828 store
.parsed
[0].end
= 0;
2830 memset(&opts
, 0, sizeof(opts
));
2831 opts
.event_fn
= store_aux_event
;
2832 opts
.event_fn_data
= &store
;
2835 * After this, store.parsed will contain offsets of all the
2836 * parsed elements, and store.seen will contain a list of
2837 * matches, as indices into store.parsed.
2839 * As a side effect, we make sure to transform only a valid
2840 * existing config file.
2842 if (git_config_from_file_with_options(store_aux
,
2845 error(_("invalid config file %s"), config_filename
);
2846 ret
= CONFIG_INVALID_FILE
;
2850 /* if nothing to unset, or too many matches, error out */
2851 if ((store
.seen_nr
== 0 && value
== NULL
) ||
2852 (store
.seen_nr
> 1 && multi_replace
== 0)) {
2853 ret
= CONFIG_NOTHING_SET
;
2857 if (fstat(in_fd
, &st
) == -1) {
2858 error_errno(_("fstat on %s failed"), config_filename
);
2859 ret
= CONFIG_INVALID_FILE
;
2863 contents_sz
= xsize_t(st
.st_size
);
2864 contents
= xmmap_gently(NULL
, contents_sz
, PROT_READ
,
2865 MAP_PRIVATE
, in_fd
, 0);
2866 if (contents
== MAP_FAILED
) {
2867 if (errno
== ENODEV
&& S_ISDIR(st
.st_mode
))
2869 error_errno(_("unable to mmap '%s'"), config_filename
);
2870 ret
= CONFIG_INVALID_FILE
;
2877 if (chmod(get_lock_file_path(&lock
), st
.st_mode
& 07777) < 0) {
2878 error_errno(_("chmod on %s failed"), get_lock_file_path(&lock
));
2879 ret
= CONFIG_NO_WRITE
;
2883 if (store
.seen_nr
== 0) {
2884 if (!store
.seen_alloc
) {
2885 /* Did not see key nor section */
2886 ALLOC_GROW(store
.seen
, 1, store
.seen_alloc
);
2887 store
.seen
[0] = store
.parsed_nr
2888 - !!store
.parsed_nr
;
2893 for (i
= 0, copy_begin
= 0; i
< store
.seen_nr
; i
++) {
2895 int j
= store
.seen
[i
];
2898 if (!store
.key_seen
) {
2899 copy_end
= store
.parsed
[j
].end
;
2900 /* include '\n' when copying section header */
2901 if (copy_end
> 0 && copy_end
< contents_sz
&&
2902 contents
[copy_end
- 1] != '\n' &&
2903 contents
[copy_end
] == '\n')
2905 replace_end
= copy_end
;
2907 replace_end
= store
.parsed
[j
].end
;
2908 copy_end
= store
.parsed
[j
].begin
;
2910 maybe_remove_section(&store
,
2914 * Swallow preceding white-space on the same
2917 while (copy_end
> 0 ) {
2918 char c
= contents
[copy_end
- 1];
2920 if (isspace(c
) && c
!= '\n')
2927 if (copy_end
> 0 && contents
[copy_end
-1] != '\n')
2930 /* write the first part of the config */
2931 if (copy_end
> copy_begin
) {
2932 if (write_in_full(fd
, contents
+ copy_begin
,
2933 copy_end
- copy_begin
) < 0)
2936 write_str_in_full(fd
, "\n") < 0)
2939 copy_begin
= replace_end
;
2942 /* write the pair (value == NULL means unset) */
2943 if (value
!= NULL
) {
2944 if (!store
.section_seen
) {
2945 if (write_section(fd
, key
, &store
) < 0)
2948 if (write_pair(fd
, key
, value
, &store
) < 0)
2952 /* write the rest of the config */
2953 if (copy_begin
< contents_sz
)
2954 if (write_in_full(fd
, contents
+ copy_begin
,
2955 contents_sz
- copy_begin
) < 0)
2958 munmap(contents
, contents_sz
);
2962 if (commit_lock_file(&lock
) < 0) {
2963 error_errno(_("could not write config file %s"), config_filename
);
2964 ret
= CONFIG_NO_WRITE
;
2970 /* Invalidate the config cache */
2974 rollback_lock_file(&lock
);
2977 munmap(contents
, contents_sz
);
2980 config_store_data_clear(&store
);
2984 ret
= write_error(get_lock_file_path(&lock
));
2989 void git_config_set_multivar_in_file(const char *config_filename
,
2990 const char *key
, const char *value
,
2991 const char *value_regex
, int multi_replace
)
2993 if (!git_config_set_multivar_in_file_gently(config_filename
, key
, value
,
2994 value_regex
, multi_replace
))
2997 die(_("could not set '%s' to '%s'"), key
, value
);
2999 die(_("could not unset '%s'"), key
);
3002 int git_config_set_multivar_gently(const char *key
, const char *value
,
3003 const char *value_regex
, int multi_replace
)
3005 return git_config_set_multivar_in_file_gently(NULL
, key
, value
, value_regex
,
3009 void git_config_set_multivar(const char *key
, const char *value
,
3010 const char *value_regex
, int multi_replace
)
3012 git_config_set_multivar_in_file(NULL
, key
, value
, value_regex
,
3016 static int section_name_match (const char *buf
, const char *name
)
3018 int i
= 0, j
= 0, dot
= 0;
3021 for (i
= 1; buf
[i
] && buf
[i
] != ']'; i
++) {
3022 if (!dot
&& isspace(buf
[i
])) {
3024 if (name
[j
++] != '.')
3026 for (i
++; isspace(buf
[i
]); i
++)
3032 if (buf
[i
] == '\\' && dot
)
3034 else if (buf
[i
] == '"' && dot
) {
3035 for (i
++; isspace(buf
[i
]); i
++)
3039 if (buf
[i
] != name
[j
++])
3042 if (buf
[i
] == ']' && name
[j
] == 0) {
3044 * We match, now just find the right length offset by
3045 * gobbling up any whitespace after it, as well
3048 for (; buf
[i
] && isspace(buf
[i
]); i
++)
3055 static int section_name_is_ok(const char *name
)
3057 /* Empty section names are bogus. */
3062 * Before a dot, we must be alphanumeric or dash. After the first dot,
3063 * anything goes, so we can stop checking.
3065 for (; *name
&& *name
!= '.'; name
++)
3066 if (*name
!= '-' && !isalnum(*name
))
3071 /* if new_name == NULL, the section is removed instead */
3072 static int git_config_copy_or_rename_section_in_file(const char *config_filename
,
3073 const char *old_name
,
3074 const char *new_name
, int copy
)
3076 int ret
= 0, remove
= 0;
3077 char *filename_buf
= NULL
;
3078 struct lock_file lock
= LOCK_INIT
;
3081 FILE *config_file
= NULL
;
3083 struct strbuf copystr
= STRBUF_INIT
;
3084 struct config_store_data store
;
3086 memset(&store
, 0, sizeof(store
));
3088 if (new_name
&& !section_name_is_ok(new_name
)) {
3089 ret
= error(_("invalid section name: %s"), new_name
);
3090 goto out_no_rollback
;
3093 if (!config_filename
)
3094 config_filename
= filename_buf
= git_pathdup("config");
3096 out_fd
= hold_lock_file_for_update(&lock
, config_filename
, 0);
3098 ret
= error(_("could not lock config file %s"), config_filename
);
3102 if (!(config_file
= fopen(config_filename
, "rb"))) {
3103 ret
= warn_on_fopen_errors(config_filename
);
3106 /* no config file means nothing to rename, no error */
3107 goto commit_and_out
;
3110 if (fstat(fileno(config_file
), &st
) == -1) {
3111 ret
= error_errno(_("fstat on %s failed"), config_filename
);
3115 if (chmod(get_lock_file_path(&lock
), st
.st_mode
& 07777) < 0) {
3116 ret
= error_errno(_("chmod on %s failed"),
3117 get_lock_file_path(&lock
));
3121 while (fgets(buf
, sizeof(buf
), config_file
)) {
3126 for (i
= 0; buf
[i
] && isspace(buf
[i
]); i
++)
3128 if (buf
[i
] == '[') {
3129 /* it's a section */
3134 * When encountering a new section under -c we
3135 * need to flush out any section we're already
3136 * coping and begin anew. There might be
3137 * multiple [branch "$name"] sections.
3139 if (copystr
.len
> 0) {
3140 if (write_in_full(out_fd
, copystr
.buf
, copystr
.len
) < 0) {
3141 ret
= write_error(get_lock_file_path(&lock
));
3144 strbuf_reset(©str
);
3147 offset
= section_name_match(&buf
[i
], old_name
);
3150 if (new_name
== NULL
) {
3154 store
.baselen
= strlen(new_name
);
3156 if (write_section(out_fd
, new_name
, &store
) < 0) {
3157 ret
= write_error(get_lock_file_path(&lock
));
3161 * We wrote out the new section, with
3162 * a newline, now skip the old
3165 output
+= offset
+ i
;
3166 if (strlen(output
) > 0) {
3168 * More content means there's
3169 * a declaration to put on the
3170 * next line; indent with a
3177 copystr
= store_create_section(new_name
, &store
);
3184 length
= strlen(output
);
3186 if (!is_section
&& copystr
.len
> 0) {
3187 strbuf_add(©str
, output
, length
);
3190 if (write_in_full(out_fd
, output
, length
) < 0) {
3191 ret
= write_error(get_lock_file_path(&lock
));
3197 * Copy a trailing section at the end of the config, won't be
3198 * flushed by the usual "flush because we have a new section
3199 * logic in the loop above.
3201 if (copystr
.len
> 0) {
3202 if (write_in_full(out_fd
, copystr
.buf
, copystr
.len
) < 0) {
3203 ret
= write_error(get_lock_file_path(&lock
));
3206 strbuf_reset(©str
);
3209 fclose(config_file
);
3212 if (commit_lock_file(&lock
) < 0)
3213 ret
= error_errno(_("could not write config file %s"),
3217 fclose(config_file
);
3218 rollback_lock_file(&lock
);
3221 config_store_data_clear(&store
);
3225 int git_config_rename_section_in_file(const char *config_filename
,
3226 const char *old_name
, const char *new_name
)
3228 return git_config_copy_or_rename_section_in_file(config_filename
,
3229 old_name
, new_name
, 0);
3232 int git_config_rename_section(const char *old_name
, const char *new_name
)
3234 return git_config_rename_section_in_file(NULL
, old_name
, new_name
);
3237 int git_config_copy_section_in_file(const char *config_filename
,
3238 const char *old_name
, const char *new_name
)
3240 return git_config_copy_or_rename_section_in_file(config_filename
,
3241 old_name
, new_name
, 1);
3244 int git_config_copy_section(const char *old_name
, const char *new_name
)
3246 return git_config_copy_section_in_file(NULL
, old_name
, new_name
);
3250 * Call this to report error for your variable that should not
3251 * get a boolean value (i.e. "[my] var" means "true").
3253 #undef config_error_nonbool
3254 int config_error_nonbool(const char *var
)
3256 return error(_("missing value for '%s'"), var
);
3259 int parse_config_key(const char *var
,
3260 const char *section
,
3261 const char **subsection
, int *subsection_len
,
3266 /* Does it start with "section." ? */
3267 if (!skip_prefix(var
, section
, &var
) || *var
!= '.')
3271 * Find the key; we don't know yet if we have a subsection, but we must
3272 * parse backwards from the end, since the subsection may have dots in
3275 dot
= strrchr(var
, '.');
3278 /* Did we have a subsection at all? */
3282 *subsection_len
= 0;
3288 *subsection
= var
+ 1;
3289 *subsection_len
= dot
- *subsection
;
3295 const char *current_config_origin_type(void)
3298 if (current_config_kvi
)
3299 type
= current_config_kvi
->origin_type
;
3301 type
= cf
->origin_type
;
3303 BUG("current_config_origin_type called outside config callback");
3306 case CONFIG_ORIGIN_BLOB
:
3308 case CONFIG_ORIGIN_FILE
:
3310 case CONFIG_ORIGIN_STDIN
:
3311 return "standard input";
3312 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
3313 return "submodule-blob";
3314 case CONFIG_ORIGIN_CMDLINE
:
3315 return "command line";
3317 BUG("unknown config origin type");
3321 const char *current_config_name(void)
3324 if (current_config_kvi
)
3325 name
= current_config_kvi
->filename
;
3329 BUG("current_config_name called outside config callback");
3330 return name
? name
: "";
3333 enum config_scope
current_config_scope(void)
3335 if (current_config_kvi
)
3336 return current_config_kvi
->scope
;
3338 return current_parsing_scope
;
3341 int lookup_config(const char **mapping
, int nr_mapping
, const char *var
)
3345 for (i
= 0; i
< nr_mapping
; i
++) {
3346 const char *name
= mapping
[i
];
3348 if (name
&& !strcasecmp(var
, name
))