2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Johannes Schindelin, 2005
11 #include "environment.h"
12 #include "repository.h"
18 #include "string-list.h"
19 #include "object-store.h"
25 struct config_source
{
26 struct config_source
*prev
;
35 enum config_origin_type origin_type
;
38 enum config_error_action default_error_action
;
44 unsigned subsection_case_sensitive
: 1;
46 int (*do_fgetc
)(struct config_source
*c
);
47 int (*do_ungetc
)(int c
, struct config_source
*conf
);
48 long (*do_ftell
)(struct config_source
*c
);
52 * These variables record the "current" config source, which
53 * can be accessed by parsing callbacks.
55 * The "cf" variable will be non-NULL only when we are actually parsing a real
56 * config source (file, blob, cmdline, etc).
58 * The "current_config_kvi" variable will be non-NULL only when we are feeding
59 * cached config from a configset into a callback.
61 * They should generally never be non-NULL at the same time. If they are both
62 * NULL, then we aren't parsing anything (and depending on the function looking
63 * at the variables, it's either a bug for it to be called in the first place,
64 * or it's a function which can be reused for non-config purposes, and should
65 * fall back to some sane behavior).
67 static struct config_source
*cf
;
68 static struct key_value_info
*current_config_kvi
;
71 * Similar to the variables above, this gives access to the "scope" of the
72 * current value (repo, global, etc). For cached values, it can be found via
73 * the current_config_kvi as above. During parsing, the current value can be
74 * found in this variable. It's not part of "cf" because it transcends a single
75 * file (i.e., a file included from .git/config is still in "repo" scope).
77 static enum config_scope current_parsing_scope
;
79 static int core_compression_seen
;
80 static int pack_compression_seen
;
81 static int zlib_compression_seen
;
83 static int config_file_fgetc(struct config_source
*conf
)
85 return getc_unlocked(conf
->u
.file
);
88 static int config_file_ungetc(int c
, struct config_source
*conf
)
90 return ungetc(c
, conf
->u
.file
);
93 static long config_file_ftell(struct config_source
*conf
)
95 return ftell(conf
->u
.file
);
99 static int config_buf_fgetc(struct config_source
*conf
)
101 if (conf
->u
.buf
.pos
< conf
->u
.buf
.len
)
102 return conf
->u
.buf
.buf
[conf
->u
.buf
.pos
++];
107 static int config_buf_ungetc(int c
, struct config_source
*conf
)
109 if (conf
->u
.buf
.pos
> 0) {
111 if (conf
->u
.buf
.buf
[conf
->u
.buf
.pos
] != c
)
112 BUG("config_buf can only ungetc the same character");
119 static long config_buf_ftell(struct config_source
*conf
)
121 return conf
->u
.buf
.pos
;
124 #define MAX_INCLUDE_DEPTH 10
125 static const char include_depth_advice
[] = N_(
126 "exceeded maximum include depth (%d) while including\n"
130 "This might be due to circular includes.");
131 static int handle_path_include(const char *path
, struct config_include_data
*inc
)
134 struct strbuf buf
= STRBUF_INIT
;
138 return config_error_nonbool("include.path");
140 expanded
= expand_user_path(path
, 0);
142 return error(_("could not expand include path '%s'"), path
);
146 * Use an absolute path as-is, but interpret relative paths
147 * based on the including config file.
149 if (!is_absolute_path(path
)) {
152 if (!cf
|| !cf
->path
)
153 return error(_("relative config includes must come from files"));
155 slash
= find_last_dir_sep(cf
->path
);
157 strbuf_add(&buf
, cf
->path
, slash
- cf
->path
+ 1);
158 strbuf_addstr(&buf
, path
);
162 if (!access_or_die(path
, R_OK
, 0)) {
163 if (++inc
->depth
> MAX_INCLUDE_DEPTH
)
164 die(_(include_depth_advice
), MAX_INCLUDE_DEPTH
, path
,
166 cf
->name
? cf
->name
:
168 ret
= git_config_from_file(git_config_include
, path
, inc
);
171 strbuf_release(&buf
);
176 static void add_trailing_starstar_for_dir(struct strbuf
*pat
)
178 if (pat
->len
&& is_dir_sep(pat
->buf
[pat
->len
- 1]))
179 strbuf_addstr(pat
, "**");
182 static int prepare_include_condition_pattern(struct strbuf
*pat
)
184 struct strbuf path
= STRBUF_INIT
;
188 expanded
= expand_user_path(pat
->buf
, 1);
191 strbuf_addstr(pat
, expanded
);
195 if (pat
->buf
[0] == '.' && is_dir_sep(pat
->buf
[1])) {
198 if (!cf
|| !cf
->path
)
199 return error(_("relative config include "
200 "conditionals must come from files"));
202 strbuf_realpath(&path
, cf
->path
, 1);
203 slash
= find_last_dir_sep(path
.buf
);
205 BUG("how is this possible?");
206 strbuf_splice(pat
, 0, 1, path
.buf
, slash
- path
.buf
);
207 prefix
= slash
- path
.buf
+ 1 /* slash */;
208 } else if (!is_absolute_path(pat
->buf
))
209 strbuf_insertstr(pat
, 0, "**/");
211 add_trailing_starstar_for_dir(pat
);
213 strbuf_release(&path
);
217 static int include_by_gitdir(const struct config_options
*opts
,
218 const char *cond
, size_t cond_len
, int icase
)
220 struct strbuf text
= STRBUF_INIT
;
221 struct strbuf pattern
= STRBUF_INIT
;
224 int already_tried_absolute
= 0;
227 git_dir
= opts
->git_dir
;
231 strbuf_realpath(&text
, git_dir
, 1);
232 strbuf_add(&pattern
, cond
, cond_len
);
233 prefix
= prepare_include_condition_pattern(&pattern
);
241 * perform literal matching on the prefix part so that
242 * any wildcard character in it can't create side effects.
244 if (text
.len
< prefix
)
246 if (!icase
&& strncmp(pattern
.buf
, text
.buf
, prefix
))
248 if (icase
&& strncasecmp(pattern
.buf
, text
.buf
, prefix
))
252 ret
= !wildmatch(pattern
.buf
+ prefix
, text
.buf
+ prefix
,
253 WM_PATHNAME
| (icase
? WM_CASEFOLD
: 0));
255 if (!ret
&& !already_tried_absolute
) {
257 * We've tried e.g. matching gitdir:~/work, but if
258 * ~/work is a symlink to /mnt/storage/work
259 * strbuf_realpath() will expand it, so the rule won't
260 * match. Let's match against a
261 * strbuf_add_absolute_path() version of the path,
262 * which'll do the right thing
265 strbuf_add_absolute_path(&text
, git_dir
);
266 already_tried_absolute
= 1;
270 strbuf_release(&pattern
);
271 strbuf_release(&text
);
275 static int include_by_branch(const char *cond
, size_t cond_len
)
279 struct strbuf pattern
= STRBUF_INIT
;
280 const char *refname
= !the_repository
->gitdir
?
281 NULL
: resolve_ref_unsafe("HEAD", 0, NULL
, &flags
);
282 const char *shortname
;
284 if (!refname
|| !(flags
& REF_ISSYMREF
) ||
285 !skip_prefix(refname
, "refs/heads/", &shortname
))
288 strbuf_add(&pattern
, cond
, cond_len
);
289 add_trailing_starstar_for_dir(&pattern
);
290 ret
= !wildmatch(pattern
.buf
, shortname
, WM_PATHNAME
);
291 strbuf_release(&pattern
);
295 static int include_condition_is_true(const struct config_options
*opts
,
296 const char *cond
, size_t cond_len
)
299 if (skip_prefix_mem(cond
, cond_len
, "gitdir:", &cond
, &cond_len
))
300 return include_by_gitdir(opts
, cond
, cond_len
, 0);
301 else if (skip_prefix_mem(cond
, cond_len
, "gitdir/i:", &cond
, &cond_len
))
302 return include_by_gitdir(opts
, cond
, cond_len
, 1);
303 else if (skip_prefix_mem(cond
, cond_len
, "onbranch:", &cond
, &cond_len
))
304 return include_by_branch(cond
, cond_len
);
306 /* unknown conditionals are always false */
310 int git_config_include(const char *var
, const char *value
, void *data
)
312 struct config_include_data
*inc
= data
;
313 const char *cond
, *key
;
318 * Pass along all values, including "include" directives; this makes it
319 * possible to query information on the includes themselves.
321 ret
= inc
->fn(var
, value
, inc
->data
);
325 if (!strcmp(var
, "include.path"))
326 ret
= handle_path_include(value
, inc
);
328 if (!parse_config_key(var
, "includeif", &cond
, &cond_len
, &key
) &&
329 (cond
&& include_condition_is_true(inc
->opts
, cond
, cond_len
)) &&
330 !strcmp(key
, "path"))
331 ret
= handle_path_include(value
, inc
);
336 static void git_config_push_split_parameter(const char *key
, const char *value
)
338 struct strbuf env
= STRBUF_INIT
;
339 const char *old
= getenv(CONFIG_DATA_ENVIRONMENT
);
341 strbuf_addstr(&env
, old
);
342 strbuf_addch(&env
, ' ');
344 sq_quote_buf(&env
, key
);
345 strbuf_addch(&env
, '=');
347 sq_quote_buf(&env
, value
);
348 setenv(CONFIG_DATA_ENVIRONMENT
, env
.buf
, 1);
349 strbuf_release(&env
);
352 void git_config_push_parameter(const char *text
)
359 * section.subsection=with=equals.key=value
361 * we cannot tell if it means:
363 * [section "subsection=with=equals"]
369 * subsection = with=equals.key=value
371 * We parse left-to-right for the first "=", meaning we'll prefer to
372 * keep the value intact over the subsection. This is historical, but
373 * also sensible since values are more likely to contain odd or
374 * untrusted input than a section name.
376 * A missing equals is explicitly allowed (as a bool-only entry).
378 value
= strchr(text
, '=');
380 char *key
= xmemdupz(text
, value
- text
);
381 git_config_push_split_parameter(key
, value
+ 1);
384 git_config_push_split_parameter(text
, NULL
);
388 void git_config_push_env(const char *spec
)
391 const char *env_name
;
392 const char *env_value
;
394 env_name
= strrchr(spec
, '=');
396 die(_("invalid config format: %s"), spec
);
397 key
= xmemdupz(spec
, env_name
- spec
);
400 die(_("missing environment variable name for configuration '%.*s'"),
401 (int)(env_name
- spec
- 1), spec
);
403 env_value
= getenv(env_name
);
405 die(_("missing environment variable '%s' for configuration '%.*s'"),
406 env_name
, (int)(env_name
- spec
- 1), spec
);
408 git_config_push_split_parameter(key
, env_value
);
412 static inline int iskeychar(int c
)
414 return isalnum(c
) || c
== '-';
418 * Auxiliary function to sanity-check and split the key into the section
419 * identifier and variable name.
421 * Returns 0 on success, -1 when there is an invalid character in the key and
422 * -2 if there is no section name in the key.
424 * store_key - pointer to char* which will hold a copy of the key with
425 * lowercase section and variable name
426 * baselen - pointer to size_t which will hold the length of the
427 * section + subsection part, can be NULL
429 static int git_config_parse_key_1(const char *key
, char **store_key
, size_t *baselen_
, int quiet
)
433 const char *last_dot
= strrchr(key
, '.');
436 * Since "key" actually contains the section name and the real
437 * key name separated by a dot, we have to know where the dot is.
440 if (last_dot
== NULL
|| last_dot
== key
) {
442 error(_("key does not contain a section: %s"), key
);
443 return -CONFIG_NO_SECTION_OR_NAME
;
448 error(_("key does not contain variable name: %s"), key
);
449 return -CONFIG_NO_SECTION_OR_NAME
;
452 baselen
= last_dot
- key
;
457 * Validate the key and while at it, lower case it for matching.
460 *store_key
= xmallocz(strlen(key
));
463 for (i
= 0; key
[i
]; i
++) {
464 unsigned char c
= key
[i
];
467 /* Leave the extended basename untouched.. */
468 if (!dot
|| i
> baselen
) {
470 (i
== baselen
+ 1 && !isalpha(c
))) {
472 error(_("invalid key: %s"), key
);
476 } else if (c
== '\n') {
478 error(_("invalid key (newline): %s"), key
);
489 FREE_AND_NULL(*store_key
);
491 return -CONFIG_INVALID_KEY
;
494 int git_config_parse_key(const char *key
, char **store_key
, size_t *baselen
)
496 return git_config_parse_key_1(key
, store_key
, baselen
, 0);
499 int git_config_key_is_valid(const char *key
)
501 return !git_config_parse_key_1(key
, NULL
, NULL
, 1);
504 static int config_parse_pair(const char *key
, const char *value
,
505 config_fn_t fn
, void *data
)
507 char *canonical_name
;
511 return error(_("empty config key"));
512 if (git_config_parse_key(key
, &canonical_name
, NULL
))
515 ret
= (fn(canonical_name
, value
, data
) < 0) ? -1 : 0;
516 free(canonical_name
);
520 int git_config_parse_parameter(const char *text
,
521 config_fn_t fn
, void *data
)
524 struct strbuf
**pair
;
527 pair
= strbuf_split_str(text
, '=', 2);
529 return error(_("bogus config parameter: %s"), text
);
531 if (pair
[0]->len
&& pair
[0]->buf
[pair
[0]->len
- 1] == '=') {
532 strbuf_setlen(pair
[0], pair
[0]->len
- 1);
533 value
= pair
[1] ? pair
[1]->buf
: "";
538 strbuf_trim(pair
[0]);
540 strbuf_list_free(pair
);
541 return error(_("bogus config parameter: %s"), text
);
544 ret
= config_parse_pair(pair
[0]->buf
, value
, fn
, data
);
545 strbuf_list_free(pair
);
549 static int parse_config_env_list(char *env
, config_fn_t fn
, void *data
)
552 while (cur
&& *cur
) {
553 const char *key
= sq_dequote_step(cur
, &cur
);
555 return error(_("bogus format in %s"),
556 CONFIG_DATA_ENVIRONMENT
);
558 if (!cur
|| isspace(*cur
)) {
559 /* old-style 'key=value' */
560 if (git_config_parse_parameter(key
, fn
, data
) < 0)
563 else if (*cur
== '=') {
564 /* new-style 'key'='value' */
570 value
= sq_dequote_step(cur
, &cur
);
571 if (!value
|| (cur
&& !isspace(*cur
))) {
572 return error(_("bogus format in %s"),
573 CONFIG_DATA_ENVIRONMENT
);
575 } else if (!*cur
|| isspace(*cur
)) {
576 /* implicit bool: 'key'= */
579 return error(_("bogus format in %s"),
580 CONFIG_DATA_ENVIRONMENT
);
583 if (config_parse_pair(key
, value
, fn
, data
) < 0)
588 return error(_("bogus format in %s"),
589 CONFIG_DATA_ENVIRONMENT
);
593 while (isspace(*cur
))
600 int git_config_from_parameters(config_fn_t fn
, void *data
)
603 struct strbuf envvar
= STRBUF_INIT
;
604 struct strvec to_free
= STRVEC_INIT
;
607 struct config_source source
;
609 memset(&source
, 0, sizeof(source
));
611 source
.origin_type
= CONFIG_ORIGIN_CMDLINE
;
614 env
= getenv(CONFIG_COUNT_ENVIRONMENT
);
620 count
= strtoul(env
, &endp
, 10);
622 ret
= error(_("bogus count in %s"), CONFIG_COUNT_ENVIRONMENT
);
625 if (count
> INT_MAX
) {
626 ret
= error(_("too many entries in %s"), CONFIG_COUNT_ENVIRONMENT
);
630 for (i
= 0; i
< count
; i
++) {
631 const char *key
, *value
;
633 strbuf_addf(&envvar
, "GIT_CONFIG_KEY_%d", i
);
634 key
= getenv_safe(&to_free
, envvar
.buf
);
636 ret
= error(_("missing config key %s"), envvar
.buf
);
639 strbuf_reset(&envvar
);
641 strbuf_addf(&envvar
, "GIT_CONFIG_VALUE_%d", i
);
642 value
= getenv_safe(&to_free
, envvar
.buf
);
644 ret
= error(_("missing config value %s"), envvar
.buf
);
647 strbuf_reset(&envvar
);
649 if (config_parse_pair(key
, value
, fn
, data
) < 0) {
656 env
= getenv(CONFIG_DATA_ENVIRONMENT
);
658 /* sq_dequote will write over it */
660 if (parse_config_env_list(envw
, fn
, data
) < 0) {
667 strbuf_release(&envvar
);
668 strvec_clear(&to_free
);
674 static int get_next_char(void)
676 int c
= cf
->do_fgetc(cf
);
679 /* DOS like systems */
680 c
= cf
->do_fgetc(cf
);
683 cf
->do_ungetc(c
, cf
);
688 if (c
!= EOF
&& ++cf
->total_len
> INT_MAX
) {
690 * This is an absurdly long config file; refuse to parse
691 * further in order to protect downstream code from integer
692 * overflows. Note that we can't return an error specifically,
693 * but we can mark EOF and put trash in the return value,
694 * which will trigger a parse error.
710 static char *parse_value(void)
712 int quote
= 0, comment
= 0, space
= 0;
714 strbuf_reset(&cf
->value
);
716 int c
= get_next_char();
722 return cf
->value
.buf
;
726 if (isspace(c
) && !quote
) {
732 if (c
== ';' || c
== '#') {
737 for (; space
; space
--)
738 strbuf_addch(&cf
->value
, ' ');
753 /* Some characters escape as themselves */
756 /* Reject unknown escape sequences */
760 strbuf_addch(&cf
->value
, c
);
767 strbuf_addch(&cf
->value
, c
);
771 static int get_value(config_fn_t fn
, void *data
, struct strbuf
*name
)
777 /* Get the full name */
784 strbuf_addch(name
, tolower(c
));
787 while (c
== ' ' || c
== '\t')
794 value
= parse_value();
799 * We already consumed the \n, but we need linenr to point to
800 * the line we just parsed during the call to fn to get
801 * accurate line number in error messages.
804 ret
= fn(name
->buf
, value
, data
);
810 static int get_extended_base_var(struct strbuf
*name
, int c
)
812 cf
->subsection_case_sensitive
= 0;
815 goto error_incomplete_line
;
817 } while (isspace(c
));
819 /* We require the format to be '[base "extension"]' */
822 strbuf_addch(name
, '.');
825 int c
= get_next_char();
827 goto error_incomplete_line
;
833 goto error_incomplete_line
;
835 strbuf_addch(name
, c
);
839 if (get_next_char() != ']')
842 error_incomplete_line
:
847 static int get_base_var(struct strbuf
*name
)
849 cf
->subsection_case_sensitive
= 1;
851 int c
= get_next_char();
857 return get_extended_base_var(name
, c
);
858 if (!iskeychar(c
) && c
!= '.')
860 strbuf_addch(name
, tolower(c
));
864 struct parse_event_data
{
865 enum config_event_t previous_type
;
866 size_t previous_offset
;
867 const struct config_options
*opts
;
870 static int do_event(enum config_event_t type
, struct parse_event_data
*data
)
874 if (!data
->opts
|| !data
->opts
->event_fn
)
877 if (type
== CONFIG_EVENT_WHITESPACE
&&
878 data
->previous_type
== type
)
881 offset
= cf
->do_ftell(cf
);
883 * At EOF, the parser always "inserts" an extra '\n', therefore
884 * the end offset of the event is the current file position, otherwise
885 * we will already have advanced to the next event.
887 if (type
!= CONFIG_EVENT_EOF
)
890 if (data
->previous_type
!= CONFIG_EVENT_EOF
&&
891 data
->opts
->event_fn(data
->previous_type
, data
->previous_offset
,
892 offset
, data
->opts
->event_fn_data
) < 0)
895 data
->previous_type
= type
;
896 data
->previous_offset
= offset
;
901 static int git_parse_source(config_fn_t fn
, void *data
,
902 const struct config_options
*opts
)
906 struct strbuf
*var
= &cf
->var
;
907 int error_return
= 0;
908 char *error_msg
= NULL
;
910 /* U+FEFF Byte Order Mark in UTF8 */
911 const char *bomptr
= utf8_bom
;
913 /* For the parser event callback */
914 struct parse_event_data event_data
= {
915 CONFIG_EVENT_EOF
, 0, opts
922 if (bomptr
&& *bomptr
) {
923 /* We are at the file beginning; skip UTF8-encoded BOM
924 * if present. Sane editors won't put this in on their
925 * own, but e.g. Windows Notepad will do it happily. */
926 if (c
== (*bomptr
& 0377)) {
930 /* Do not tolerate partial BOM. */
931 if (bomptr
!= utf8_bom
)
933 /* No BOM at file beginning. Cool. */
939 if (do_event(CONFIG_EVENT_EOF
, &event_data
) < 0)
943 if (do_event(CONFIG_EVENT_WHITESPACE
, &event_data
) < 0)
951 if (do_event(CONFIG_EVENT_WHITESPACE
, &event_data
) < 0)
955 if (c
== '#' || c
== ';') {
956 if (do_event(CONFIG_EVENT_COMMENT
, &event_data
) < 0)
962 if (do_event(CONFIG_EVENT_SECTION
, &event_data
) < 0)
965 /* Reset prior to determining a new stem */
967 if (get_base_var(var
) < 0 || var
->len
< 1)
969 strbuf_addch(var
, '.');
976 if (do_event(CONFIG_EVENT_ENTRY
, &event_data
) < 0)
980 * Truncate the var name back to the section header
981 * stem prior to grabbing the suffix part of the name
984 strbuf_setlen(var
, baselen
);
985 strbuf_addch(var
, tolower(c
));
986 if (get_value(fn
, data
, var
) < 0)
990 if (do_event(CONFIG_EVENT_ERROR
, &event_data
) < 0)
993 switch (cf
->origin_type
) {
994 case CONFIG_ORIGIN_BLOB
:
995 error_msg
= xstrfmt(_("bad config line %d in blob %s"),
996 cf
->linenr
, cf
->name
);
998 case CONFIG_ORIGIN_FILE
:
999 error_msg
= xstrfmt(_("bad config line %d in file %s"),
1000 cf
->linenr
, cf
->name
);
1002 case CONFIG_ORIGIN_STDIN
:
1003 error_msg
= xstrfmt(_("bad config line %d in standard input"),
1006 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
1007 error_msg
= xstrfmt(_("bad config line %d in submodule-blob %s"),
1008 cf
->linenr
, cf
->name
);
1010 case CONFIG_ORIGIN_CMDLINE
:
1011 error_msg
= xstrfmt(_("bad config line %d in command line %s"),
1012 cf
->linenr
, cf
->name
);
1015 error_msg
= xstrfmt(_("bad config line %d in %s"),
1016 cf
->linenr
, cf
->name
);
1019 switch (opts
&& opts
->error_action
?
1020 opts
->error_action
:
1021 cf
->default_error_action
) {
1022 case CONFIG_ERROR_DIE
:
1023 die("%s", error_msg
);
1025 case CONFIG_ERROR_ERROR
:
1026 error_return
= error("%s", error_msg
);
1028 case CONFIG_ERROR_SILENT
:
1031 case CONFIG_ERROR_UNSET
:
1032 BUG("config error action unset");
1036 return error_return
;
1039 static uintmax_t get_unit_factor(const char *end
)
1043 else if (!strcasecmp(end
, "k"))
1045 else if (!strcasecmp(end
, "m"))
1047 else if (!strcasecmp(end
, "g"))
1048 return 1024 * 1024 * 1024;
1052 static int git_parse_signed(const char *value
, intmax_t *ret
, intmax_t max
)
1054 if (value
&& *value
) {
1061 val
= strtoimax(value
, &end
, 0);
1062 if (errno
== ERANGE
)
1064 factor
= get_unit_factor(end
);
1069 uval
= val
< 0 ? -val
: val
;
1070 if (unsigned_mult_overflows(factor
, uval
) ||
1071 factor
* uval
> max
) {
1083 static int git_parse_unsigned(const char *value
, uintmax_t *ret
, uintmax_t max
)
1085 if (value
&& *value
) {
1091 val
= strtoumax(value
, &end
, 0);
1092 if (errno
== ERANGE
)
1094 factor
= get_unit_factor(end
);
1099 if (unsigned_mult_overflows(factor
, val
) ||
1100 factor
* val
> max
) {
1112 static int git_parse_int(const char *value
, int *ret
)
1115 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int)))
1121 static int git_parse_int64(const char *value
, int64_t *ret
)
1124 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(int64_t)))
1130 int git_parse_ulong(const char *value
, unsigned long *ret
)
1133 if (!git_parse_unsigned(value
, &tmp
, maximum_unsigned_value_of_type(long)))
1139 int git_parse_ssize_t(const char *value
, ssize_t
*ret
)
1142 if (!git_parse_signed(value
, &tmp
, maximum_signed_value_of_type(ssize_t
)))
1149 static void die_bad_number(const char *name
, const char *value
)
1151 const char *error_type
= (errno
== ERANGE
) ?
1152 N_("out of range") : N_("invalid unit");
1153 const char *bad_numeric
= N_("bad numeric config value '%s' for '%s': %s");
1158 if (!(cf
&& cf
->name
))
1159 die(_(bad_numeric
), value
, name
, _(error_type
));
1161 switch (cf
->origin_type
) {
1162 case CONFIG_ORIGIN_BLOB
:
1163 die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
1164 value
, name
, cf
->name
, _(error_type
));
1165 case CONFIG_ORIGIN_FILE
:
1166 die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
1167 value
, name
, cf
->name
, _(error_type
));
1168 case CONFIG_ORIGIN_STDIN
:
1169 die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
1170 value
, name
, _(error_type
));
1171 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
1172 die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
1173 value
, name
, cf
->name
, _(error_type
));
1174 case CONFIG_ORIGIN_CMDLINE
:
1175 die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
1176 value
, name
, cf
->name
, _(error_type
));
1178 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
1179 value
, name
, cf
->name
, _(error_type
));
1183 int git_config_int(const char *name
, const char *value
)
1186 if (!git_parse_int(value
, &ret
))
1187 die_bad_number(name
, value
);
1191 int64_t git_config_int64(const char *name
, const char *value
)
1194 if (!git_parse_int64(value
, &ret
))
1195 die_bad_number(name
, value
);
1199 unsigned long git_config_ulong(const char *name
, const char *value
)
1202 if (!git_parse_ulong(value
, &ret
))
1203 die_bad_number(name
, value
);
1207 ssize_t
git_config_ssize_t(const char *name
, const char *value
)
1210 if (!git_parse_ssize_t(value
, &ret
))
1211 die_bad_number(name
, value
);
1215 static int git_parse_maybe_bool_text(const char *value
)
1221 if (!strcasecmp(value
, "true")
1222 || !strcasecmp(value
, "yes")
1223 || !strcasecmp(value
, "on"))
1225 if (!strcasecmp(value
, "false")
1226 || !strcasecmp(value
, "no")
1227 || !strcasecmp(value
, "off"))
1232 int git_parse_maybe_bool(const char *value
)
1234 int v
= git_parse_maybe_bool_text(value
);
1237 if (git_parse_int(value
, &v
))
1242 int git_config_bool_or_int(const char *name
, const char *value
, int *is_bool
)
1244 int v
= git_parse_maybe_bool_text(value
);
1250 return git_config_int(name
, value
);
1253 int git_config_bool(const char *name
, const char *value
)
1256 return !!git_config_bool_or_int(name
, value
, &discard
);
1259 int git_config_string(const char **dest
, const char *var
, const char *value
)
1262 return config_error_nonbool(var
);
1263 *dest
= xstrdup(value
);
1267 int git_config_pathname(const char **dest
, const char *var
, const char *value
)
1270 return config_error_nonbool(var
);
1271 *dest
= expand_user_path(value
, 0);
1273 die(_("failed to expand user dir in: '%s'"), value
);
1277 int git_config_expiry_date(timestamp_t
*timestamp
, const char *var
, const char *value
)
1280 return config_error_nonbool(var
);
1281 if (parse_expiry_date(value
, timestamp
))
1282 return error(_("'%s' for '%s' is not a valid timestamp"),
1287 int git_config_color(char *dest
, const char *var
, const char *value
)
1290 return config_error_nonbool(var
);
1291 if (color_parse(value
, dest
) < 0)
1296 static int git_default_core_config(const char *var
, const char *value
, void *cb
)
1298 /* This needs a better name */
1299 if (!strcmp(var
, "core.filemode")) {
1300 trust_executable_bit
= git_config_bool(var
, value
);
1303 if (!strcmp(var
, "core.trustctime")) {
1304 trust_ctime
= git_config_bool(var
, value
);
1307 if (!strcmp(var
, "core.checkstat")) {
1308 if (!strcasecmp(value
, "default"))
1310 else if (!strcasecmp(value
, "minimal"))
1314 if (!strcmp(var
, "core.quotepath")) {
1315 quote_path_fully
= git_config_bool(var
, value
);
1319 if (!strcmp(var
, "core.symlinks")) {
1320 has_symlinks
= git_config_bool(var
, value
);
1324 if (!strcmp(var
, "core.ignorecase")) {
1325 ignore_case
= git_config_bool(var
, value
);
1329 if (!strcmp(var
, "core.attributesfile"))
1330 return git_config_pathname(&git_attributes_file
, var
, value
);
1332 if (!strcmp(var
, "core.hookspath"))
1333 return git_config_pathname(&git_hooks_path
, var
, value
);
1335 if (!strcmp(var
, "core.bare")) {
1336 is_bare_repository_cfg
= git_config_bool(var
, value
);
1340 if (!strcmp(var
, "core.ignorestat")) {
1341 assume_unchanged
= git_config_bool(var
, value
);
1345 if (!strcmp(var
, "core.prefersymlinkrefs")) {
1346 prefer_symlink_refs
= git_config_bool(var
, value
);
1350 if (!strcmp(var
, "core.logallrefupdates")) {
1351 if (value
&& !strcasecmp(value
, "always"))
1352 log_all_ref_updates
= LOG_REFS_ALWAYS
;
1353 else if (git_config_bool(var
, value
))
1354 log_all_ref_updates
= LOG_REFS_NORMAL
;
1356 log_all_ref_updates
= LOG_REFS_NONE
;
1360 if (!strcmp(var
, "core.warnambiguousrefs")) {
1361 warn_ambiguous_refs
= git_config_bool(var
, value
);
1365 if (!strcmp(var
, "core.abbrev")) {
1367 return config_error_nonbool(var
);
1368 if (!strcasecmp(value
, "auto"))
1369 default_abbrev
= -1;
1370 else if (!git_parse_maybe_bool_text(value
))
1371 default_abbrev
= the_hash_algo
->hexsz
;
1373 int abbrev
= git_config_int(var
, value
);
1374 if (abbrev
< minimum_abbrev
|| abbrev
> the_hash_algo
->hexsz
)
1375 return error(_("abbrev length out of range: %d"), abbrev
);
1376 default_abbrev
= abbrev
;
1381 if (!strcmp(var
, "core.disambiguate"))
1382 return set_disambiguate_hint_config(var
, value
);
1384 if (!strcmp(var
, "core.loosecompression")) {
1385 int level
= git_config_int(var
, value
);
1387 level
= Z_DEFAULT_COMPRESSION
;
1388 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1389 die(_("bad zlib compression level %d"), level
);
1390 zlib_compression_level
= level
;
1391 zlib_compression_seen
= 1;
1395 if (!strcmp(var
, "core.compression")) {
1396 int level
= git_config_int(var
, value
);
1398 level
= Z_DEFAULT_COMPRESSION
;
1399 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1400 die(_("bad zlib compression level %d"), level
);
1401 core_compression_level
= level
;
1402 core_compression_seen
= 1;
1403 if (!zlib_compression_seen
)
1404 zlib_compression_level
= level
;
1405 if (!pack_compression_seen
)
1406 pack_compression_level
= level
;
1410 if (!strcmp(var
, "core.packedgitwindowsize")) {
1411 int pgsz_x2
= getpagesize() * 2;
1412 packed_git_window_size
= git_config_ulong(var
, value
);
1414 /* This value must be multiple of (pagesize * 2) */
1415 packed_git_window_size
/= pgsz_x2
;
1416 if (packed_git_window_size
< 1)
1417 packed_git_window_size
= 1;
1418 packed_git_window_size
*= pgsz_x2
;
1422 if (!strcmp(var
, "core.bigfilethreshold")) {
1423 big_file_threshold
= git_config_ulong(var
, value
);
1427 if (!strcmp(var
, "core.packedgitlimit")) {
1428 packed_git_limit
= git_config_ulong(var
, value
);
1432 if (!strcmp(var
, "core.deltabasecachelimit")) {
1433 delta_base_cache_limit
= git_config_ulong(var
, value
);
1437 if (!strcmp(var
, "core.autocrlf")) {
1438 if (value
&& !strcasecmp(value
, "input")) {
1439 auto_crlf
= AUTO_CRLF_INPUT
;
1442 auto_crlf
= git_config_bool(var
, value
);
1446 if (!strcmp(var
, "core.safecrlf")) {
1448 if (value
&& !strcasecmp(value
, "warn")) {
1449 global_conv_flags_eol
= CONV_EOL_RNDTRP_WARN
;
1452 eol_rndtrp_die
= git_config_bool(var
, value
);
1453 global_conv_flags_eol
= eol_rndtrp_die
?
1454 CONV_EOL_RNDTRP_DIE
: 0;
1458 if (!strcmp(var
, "core.eol")) {
1459 if (value
&& !strcasecmp(value
, "lf"))
1461 else if (value
&& !strcasecmp(value
, "crlf"))
1462 core_eol
= EOL_CRLF
;
1463 else if (value
&& !strcasecmp(value
, "native"))
1464 core_eol
= EOL_NATIVE
;
1466 core_eol
= EOL_UNSET
;
1470 if (!strcmp(var
, "core.checkroundtripencoding")) {
1471 check_roundtrip_encoding
= xstrdup(value
);
1475 if (!strcmp(var
, "core.notesref")) {
1476 notes_ref_name
= xstrdup(value
);
1480 if (!strcmp(var
, "core.editor"))
1481 return git_config_string(&editor_program
, var
, value
);
1483 if (!strcmp(var
, "core.commentchar")) {
1485 return config_error_nonbool(var
);
1486 else if (!strcasecmp(value
, "auto"))
1487 auto_comment_line_char
= 1;
1488 else if (value
[0] && !value
[1]) {
1489 comment_line_char
= value
[0];
1490 auto_comment_line_char
= 0;
1492 return error(_("core.commentChar should only be one character"));
1496 if (!strcmp(var
, "core.askpass"))
1497 return git_config_string(&askpass_program
, var
, value
);
1499 if (!strcmp(var
, "core.excludesfile"))
1500 return git_config_pathname(&excludes_file
, var
, value
);
1502 if (!strcmp(var
, "core.whitespace")) {
1504 return config_error_nonbool(var
);
1505 whitespace_rule_cfg
= parse_whitespace_rule(value
);
1509 if (!strcmp(var
, "core.fsyncobjectfiles")) {
1510 fsync_object_files
= git_config_bool(var
, value
);
1514 if (!strcmp(var
, "core.preloadindex")) {
1515 core_preload_index
= git_config_bool(var
, value
);
1519 if (!strcmp(var
, "core.createobject")) {
1520 if (!strcmp(value
, "rename"))
1521 object_creation_mode
= OBJECT_CREATION_USES_RENAMES
;
1522 else if (!strcmp(value
, "link"))
1523 object_creation_mode
= OBJECT_CREATION_USES_HARDLINKS
;
1525 die(_("invalid mode for object creation: %s"), value
);
1529 if (!strcmp(var
, "core.sparsecheckout")) {
1530 core_apply_sparse_checkout
= git_config_bool(var
, value
);
1534 if (!strcmp(var
, "core.sparsecheckoutcone")) {
1535 core_sparse_checkout_cone
= git_config_bool(var
, value
);
1539 if (!strcmp(var
, "core.precomposeunicode")) {
1540 precomposed_unicode
= git_config_bool(var
, value
);
1544 if (!strcmp(var
, "core.protecthfs")) {
1545 protect_hfs
= git_config_bool(var
, value
);
1549 if (!strcmp(var
, "core.protectntfs")) {
1550 protect_ntfs
= git_config_bool(var
, value
);
1554 if (!strcmp(var
, "core.usereplacerefs")) {
1555 read_replace_refs
= git_config_bool(var
, value
);
1559 /* Add other config variables here and to Documentation/config.txt. */
1560 return platform_core_config(var
, value
, cb
);
1563 static int git_default_i18n_config(const char *var
, const char *value
)
1565 if (!strcmp(var
, "i18n.commitencoding"))
1566 return git_config_string(&git_commit_encoding
, var
, value
);
1568 if (!strcmp(var
, "i18n.logoutputencoding"))
1569 return git_config_string(&git_log_output_encoding
, var
, value
);
1571 /* Add other config variables here and to Documentation/config.txt. */
1575 static int git_default_branch_config(const char *var
, const char *value
)
1577 if (!strcmp(var
, "branch.autosetupmerge")) {
1578 if (value
&& !strcasecmp(value
, "always")) {
1579 git_branch_track
= BRANCH_TRACK_ALWAYS
;
1582 git_branch_track
= git_config_bool(var
, value
);
1585 if (!strcmp(var
, "branch.autosetuprebase")) {
1587 return config_error_nonbool(var
);
1588 else if (!strcmp(value
, "never"))
1589 autorebase
= AUTOREBASE_NEVER
;
1590 else if (!strcmp(value
, "local"))
1591 autorebase
= AUTOREBASE_LOCAL
;
1592 else if (!strcmp(value
, "remote"))
1593 autorebase
= AUTOREBASE_REMOTE
;
1594 else if (!strcmp(value
, "always"))
1595 autorebase
= AUTOREBASE_ALWAYS
;
1597 return error(_("malformed value for %s"), var
);
1601 /* Add other config variables here and to Documentation/config.txt. */
1605 static int git_default_push_config(const char *var
, const char *value
)
1607 if (!strcmp(var
, "push.default")) {
1609 return config_error_nonbool(var
);
1610 else if (!strcmp(value
, "nothing"))
1611 push_default
= PUSH_DEFAULT_NOTHING
;
1612 else if (!strcmp(value
, "matching"))
1613 push_default
= PUSH_DEFAULT_MATCHING
;
1614 else if (!strcmp(value
, "simple"))
1615 push_default
= PUSH_DEFAULT_SIMPLE
;
1616 else if (!strcmp(value
, "upstream"))
1617 push_default
= PUSH_DEFAULT_UPSTREAM
;
1618 else if (!strcmp(value
, "tracking")) /* deprecated */
1619 push_default
= PUSH_DEFAULT_UPSTREAM
;
1620 else if (!strcmp(value
, "current"))
1621 push_default
= PUSH_DEFAULT_CURRENT
;
1623 error(_("malformed value for %s: %s"), var
, value
);
1624 return error(_("must be one of nothing, matching, simple, "
1625 "upstream or current"));
1630 /* Add other config variables here and to Documentation/config.txt. */
1634 static int git_default_mailmap_config(const char *var
, const char *value
)
1636 if (!strcmp(var
, "mailmap.file"))
1637 return git_config_pathname(&git_mailmap_file
, var
, value
);
1638 if (!strcmp(var
, "mailmap.blob"))
1639 return git_config_string(&git_mailmap_blob
, var
, value
);
1641 /* Add other config variables here and to Documentation/config.txt. */
1645 int git_default_config(const char *var
, const char *value
, void *cb
)
1647 if (starts_with(var
, "core."))
1648 return git_default_core_config(var
, value
, cb
);
1650 if (starts_with(var
, "user.") ||
1651 starts_with(var
, "author.") ||
1652 starts_with(var
, "committer."))
1653 return git_ident_config(var
, value
, cb
);
1655 if (starts_with(var
, "i18n."))
1656 return git_default_i18n_config(var
, value
);
1658 if (starts_with(var
, "branch."))
1659 return git_default_branch_config(var
, value
);
1661 if (starts_with(var
, "push."))
1662 return git_default_push_config(var
, value
);
1664 if (starts_with(var
, "mailmap."))
1665 return git_default_mailmap_config(var
, value
);
1667 if (starts_with(var
, "advice.") || starts_with(var
, "color.advice"))
1668 return git_default_advice_config(var
, value
);
1670 if (!strcmp(var
, "pager.color") || !strcmp(var
, "color.pager")) {
1671 pager_use_color
= git_config_bool(var
,value
);
1675 if (!strcmp(var
, "pack.packsizelimit")) {
1676 pack_size_limit_cfg
= git_config_ulong(var
, value
);
1680 if (!strcmp(var
, "pack.compression")) {
1681 int level
= git_config_int(var
, value
);
1683 level
= Z_DEFAULT_COMPRESSION
;
1684 else if (level
< 0 || level
> Z_BEST_COMPRESSION
)
1685 die(_("bad pack compression level %d"), level
);
1686 pack_compression_level
= level
;
1687 pack_compression_seen
= 1;
1691 /* Add other config variables here and to Documentation/config.txt. */
1696 * All source specific fields in the union, die_on_error, name and the callbacks
1697 * fgetc, ungetc, ftell of top need to be initialized before calling
1700 static int do_config_from(struct config_source
*top
, config_fn_t fn
, void *data
,
1701 const struct config_options
*opts
)
1705 /* push config-file parsing state stack */
1710 strbuf_init(&top
->value
, 1024);
1711 strbuf_init(&top
->var
, 1024);
1714 ret
= git_parse_source(fn
, data
, opts
);
1716 /* pop config-file parsing state stack */
1717 strbuf_release(&top
->value
);
1718 strbuf_release(&top
->var
);
1724 static int do_config_from_file(config_fn_t fn
,
1725 const enum config_origin_type origin_type
,
1726 const char *name
, const char *path
, FILE *f
,
1727 void *data
, const struct config_options
*opts
)
1729 struct config_source top
;
1733 top
.origin_type
= origin_type
;
1736 top
.default_error_action
= CONFIG_ERROR_DIE
;
1737 top
.do_fgetc
= config_file_fgetc
;
1738 top
.do_ungetc
= config_file_ungetc
;
1739 top
.do_ftell
= config_file_ftell
;
1742 ret
= do_config_from(&top
, fn
, data
, opts
);
1747 static int git_config_from_stdin(config_fn_t fn
, void *data
)
1749 return do_config_from_file(fn
, CONFIG_ORIGIN_STDIN
, "", NULL
, stdin
,
1753 int git_config_from_file_with_options(config_fn_t fn
, const char *filename
,
1755 const struct config_options
*opts
)
1760 f
= fopen_or_warn(filename
, "r");
1762 ret
= do_config_from_file(fn
, CONFIG_ORIGIN_FILE
, filename
,
1763 filename
, f
, data
, opts
);
1769 int git_config_from_file(config_fn_t fn
, const char *filename
, void *data
)
1771 return git_config_from_file_with_options(fn
, filename
, data
, NULL
);
1774 int git_config_from_mem(config_fn_t fn
,
1775 const enum config_origin_type origin_type
,
1776 const char *name
, const char *buf
, size_t len
,
1777 void *data
, const struct config_options
*opts
)
1779 struct config_source top
;
1781 top
.u
.buf
.buf
= buf
;
1782 top
.u
.buf
.len
= len
;
1784 top
.origin_type
= origin_type
;
1787 top
.default_error_action
= CONFIG_ERROR_ERROR
;
1788 top
.do_fgetc
= config_buf_fgetc
;
1789 top
.do_ungetc
= config_buf_ungetc
;
1790 top
.do_ftell
= config_buf_ftell
;
1792 return do_config_from(&top
, fn
, data
, opts
);
1795 int git_config_from_blob_oid(config_fn_t fn
,
1797 const struct object_id
*oid
,
1800 enum object_type type
;
1805 buf
= read_object_file(oid
, &type
, &size
);
1807 return error(_("unable to load config blob object '%s'"), name
);
1808 if (type
!= OBJ_BLOB
) {
1810 return error(_("reference '%s' does not point to a blob"), name
);
1813 ret
= git_config_from_mem(fn
, CONFIG_ORIGIN_BLOB
, name
, buf
, size
,
1820 static int git_config_from_blob_ref(config_fn_t fn
,
1824 struct object_id oid
;
1826 if (get_oid(name
, &oid
) < 0)
1827 return error(_("unable to resolve config blob '%s'"), name
);
1828 return git_config_from_blob_oid(fn
, name
, &oid
, data
);
1831 const char *git_etc_gitconfig(void)
1833 static const char *system_wide
;
1835 system_wide
= system_path(ETC_GITCONFIG
);
1840 * Parse environment variable 'k' as a boolean (in various
1841 * possible spellings); if missing, use the default value 'def'.
1843 int git_env_bool(const char *k
, int def
)
1845 const char *v
= getenv(k
);
1846 return v
? git_config_bool(k
, v
) : def
;
1850 * Parse environment variable 'k' as ulong with possibly a unit
1851 * suffix; if missing, use the default value 'val'.
1853 unsigned long git_env_ulong(const char *k
, unsigned long val
)
1855 const char *v
= getenv(k
);
1856 if (v
&& !git_parse_ulong(v
, &val
))
1857 die(_("failed to parse %s"), k
);
1861 int git_config_system(void)
1863 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
1866 static int do_git_config_sequence(const struct config_options
*opts
,
1867 config_fn_t fn
, void *data
)
1870 char *xdg_config
= xdg_config_home("config");
1871 char *user_config
= expand_user_path("~/.gitconfig", 0);
1873 enum config_scope prev_parsing_scope
= current_parsing_scope
;
1875 if (opts
->commondir
)
1876 repo_config
= mkpathdup("%s/config", opts
->commondir
);
1877 else if (opts
->git_dir
)
1878 BUG("git_dir without commondir");
1882 current_parsing_scope
= CONFIG_SCOPE_SYSTEM
;
1883 if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK
,
1884 opts
->system_gently
?
1885 ACCESS_EACCES_OK
: 0))
1886 ret
+= git_config_from_file(fn
, git_etc_gitconfig(),
1889 current_parsing_scope
= CONFIG_SCOPE_GLOBAL
;
1890 if (xdg_config
&& !access_or_die(xdg_config
, R_OK
, ACCESS_EACCES_OK
))
1891 ret
+= git_config_from_file(fn
, xdg_config
, data
);
1893 if (user_config
&& !access_or_die(user_config
, R_OK
, ACCESS_EACCES_OK
))
1894 ret
+= git_config_from_file(fn
, user_config
, data
);
1896 current_parsing_scope
= CONFIG_SCOPE_LOCAL
;
1897 if (!opts
->ignore_repo
&& repo_config
&&
1898 !access_or_die(repo_config
, R_OK
, 0))
1899 ret
+= git_config_from_file(fn
, repo_config
, data
);
1901 current_parsing_scope
= CONFIG_SCOPE_WORKTREE
;
1902 if (!opts
->ignore_worktree
&& repository_format_worktree_config
) {
1903 char *path
= git_pathdup("config.worktree");
1904 if (!access_or_die(path
, R_OK
, 0))
1905 ret
+= git_config_from_file(fn
, path
, data
);
1909 current_parsing_scope
= CONFIG_SCOPE_COMMAND
;
1910 if (!opts
->ignore_cmdline
&& git_config_from_parameters(fn
, data
) < 0)
1911 die(_("unable to parse command-line config"));
1913 current_parsing_scope
= prev_parsing_scope
;
1920 int config_with_options(config_fn_t fn
, void *data
,
1921 struct git_config_source
*config_source
,
1922 const struct config_options
*opts
)
1924 struct config_include_data inc
= CONFIG_INCLUDE_INIT
;
1926 if (opts
->respect_includes
) {
1930 fn
= git_config_include
;
1935 current_parsing_scope
= config_source
->scope
;
1938 * If we have a specific filename, use it. Otherwise, follow the
1939 * regular lookup sequence.
1941 if (config_source
&& config_source
->use_stdin
)
1942 return git_config_from_stdin(fn
, data
);
1943 else if (config_source
&& config_source
->file
)
1944 return git_config_from_file(fn
, config_source
->file
, data
);
1945 else if (config_source
&& config_source
->blob
)
1946 return git_config_from_blob_ref(fn
, config_source
->blob
, data
);
1948 return do_git_config_sequence(opts
, fn
, data
);
1951 static void configset_iter(struct config_set
*cs
, config_fn_t fn
, void *data
)
1954 struct string_list
*values
;
1955 struct config_set_element
*entry
;
1956 struct configset_list
*list
= &cs
->list
;
1958 for (i
= 0; i
< list
->nr
; i
++) {
1959 entry
= list
->items
[i
].e
;
1960 value_index
= list
->items
[i
].value_index
;
1961 values
= &entry
->value_list
;
1963 current_config_kvi
= values
->items
[value_index
].util
;
1965 if (fn(entry
->key
, values
->items
[value_index
].string
, data
) < 0)
1966 git_die_config_linenr(entry
->key
,
1967 current_config_kvi
->filename
,
1968 current_config_kvi
->linenr
);
1970 current_config_kvi
= NULL
;
1974 void read_early_config(config_fn_t cb
, void *data
)
1976 struct config_options opts
= {0};
1977 struct strbuf commondir
= STRBUF_INIT
;
1978 struct strbuf gitdir
= STRBUF_INIT
;
1980 opts
.respect_includes
= 1;
1982 if (have_git_dir()) {
1983 opts
.commondir
= get_git_common_dir();
1984 opts
.git_dir
= get_git_dir();
1986 * When setup_git_directory() was not yet asked to discover the
1987 * GIT_DIR, we ask discover_git_directory() to figure out whether there
1988 * is any repository config we should use (but unlike
1989 * setup_git_directory_gently(), no global state is changed, most
1990 * notably, the current working directory is still the same after the
1993 } else if (!discover_git_directory(&commondir
, &gitdir
)) {
1994 opts
.commondir
= commondir
.buf
;
1995 opts
.git_dir
= gitdir
.buf
;
1998 config_with_options(cb
, data
, NULL
, &opts
);
2000 strbuf_release(&commondir
);
2001 strbuf_release(&gitdir
);
2005 * Read config but only enumerate system and global settings.
2006 * Omit any repo-local, worktree-local, or command-line settings.
2008 void read_very_early_config(config_fn_t cb
, void *data
)
2010 struct config_options opts
= { 0 };
2012 opts
.respect_includes
= 1;
2013 opts
.ignore_repo
= 1;
2014 opts
.ignore_worktree
= 1;
2015 opts
.ignore_cmdline
= 1;
2016 opts
.system_gently
= 1;
2018 config_with_options(cb
, data
, NULL
, &opts
);
2021 static struct config_set_element
*configset_find_element(struct config_set
*cs
, const char *key
)
2023 struct config_set_element k
;
2024 struct config_set_element
*found_entry
;
2025 char *normalized_key
;
2027 * `key` may come from the user, so normalize it before using it
2028 * for querying entries from the hashmap.
2030 if (git_config_parse_key(key
, &normalized_key
, NULL
))
2033 hashmap_entry_init(&k
.ent
, strhash(normalized_key
));
2034 k
.key
= normalized_key
;
2035 found_entry
= hashmap_get_entry(&cs
->config_hash
, &k
, ent
, NULL
);
2036 free(normalized_key
);
2040 static int configset_add_value(struct config_set
*cs
, const char *key
, const char *value
)
2042 struct config_set_element
*e
;
2043 struct string_list_item
*si
;
2044 struct configset_list_item
*l_item
;
2045 struct key_value_info
*kv_info
= xmalloc(sizeof(*kv_info
));
2047 e
= configset_find_element(cs
, key
);
2049 * Since the keys are being fed by git_config*() callback mechanism, they
2050 * are already normalized. So simply add them without any further munging.
2053 e
= xmalloc(sizeof(*e
));
2054 hashmap_entry_init(&e
->ent
, strhash(key
));
2055 e
->key
= xstrdup(key
);
2056 string_list_init(&e
->value_list
, 1);
2057 hashmap_add(&cs
->config_hash
, &e
->ent
);
2059 si
= string_list_append_nodup(&e
->value_list
, xstrdup_or_null(value
));
2061 ALLOC_GROW(cs
->list
.items
, cs
->list
.nr
+ 1, cs
->list
.alloc
);
2062 l_item
= &cs
->list
.items
[cs
->list
.nr
++];
2064 l_item
->value_index
= e
->value_list
.nr
- 1;
2067 BUG("configset_add_value has no source");
2069 kv_info
->filename
= strintern(cf
->name
);
2070 kv_info
->linenr
= cf
->linenr
;
2071 kv_info
->origin_type
= cf
->origin_type
;
2073 /* for values read from `git_config_from_parameters()` */
2074 kv_info
->filename
= NULL
;
2075 kv_info
->linenr
= -1;
2076 kv_info
->origin_type
= CONFIG_ORIGIN_CMDLINE
;
2078 kv_info
->scope
= current_parsing_scope
;
2084 static int config_set_element_cmp(const void *unused_cmp_data
,
2085 const struct hashmap_entry
*eptr
,
2086 const struct hashmap_entry
*entry_or_key
,
2087 const void *unused_keydata
)
2089 const struct config_set_element
*e1
, *e2
;
2091 e1
= container_of(eptr
, const struct config_set_element
, ent
);
2092 e2
= container_of(entry_or_key
, const struct config_set_element
, ent
);
2094 return strcmp(e1
->key
, e2
->key
);
2097 void git_configset_init(struct config_set
*cs
)
2099 hashmap_init(&cs
->config_hash
, config_set_element_cmp
, NULL
, 0);
2100 cs
->hash_initialized
= 1;
2103 cs
->list
.items
= NULL
;
2106 void git_configset_clear(struct config_set
*cs
)
2108 struct config_set_element
*entry
;
2109 struct hashmap_iter iter
;
2110 if (!cs
->hash_initialized
)
2113 hashmap_for_each_entry(&cs
->config_hash
, &iter
, entry
,
2114 ent
/* member name */) {
2116 string_list_clear(&entry
->value_list
, 1);
2118 hashmap_clear_and_free(&cs
->config_hash
, struct config_set_element
, ent
);
2119 cs
->hash_initialized
= 0;
2120 free(cs
->list
.items
);
2123 cs
->list
.items
= NULL
;
2126 static int config_set_callback(const char *key
, const char *value
, void *cb
)
2128 struct config_set
*cs
= cb
;
2129 configset_add_value(cs
, key
, value
);
2133 int git_configset_add_file(struct config_set
*cs
, const char *filename
)
2135 return git_config_from_file(config_set_callback
, filename
, cs
);
2138 int git_configset_get_value(struct config_set
*cs
, const char *key
, const char **value
)
2140 const struct string_list
*values
= NULL
;
2142 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
2143 * queried key in the files of the configset, the value returned will be the last
2144 * value in the value list for that key.
2146 values
= git_configset_get_value_multi(cs
, key
);
2150 assert(values
->nr
> 0);
2151 *value
= values
->items
[values
->nr
- 1].string
;
2155 const struct string_list
*git_configset_get_value_multi(struct config_set
*cs
, const char *key
)
2157 struct config_set_element
*e
= configset_find_element(cs
, key
);
2158 return e
? &e
->value_list
: NULL
;
2161 int git_configset_get_string(struct config_set
*cs
, const char *key
, char **dest
)
2164 if (!git_configset_get_value(cs
, key
, &value
))
2165 return git_config_string((const char **)dest
, key
, value
);
2170 int git_configset_get_string_tmp(struct config_set
*cs
, const char *key
,
2174 if (!git_configset_get_value(cs
, key
, &value
)) {
2176 return config_error_nonbool(key
);
2184 int git_configset_get_int(struct config_set
*cs
, const char *key
, int *dest
)
2187 if (!git_configset_get_value(cs
, key
, &value
)) {
2188 *dest
= git_config_int(key
, value
);
2194 int git_configset_get_ulong(struct config_set
*cs
, const char *key
, unsigned long *dest
)
2197 if (!git_configset_get_value(cs
, key
, &value
)) {
2198 *dest
= git_config_ulong(key
, value
);
2204 int git_configset_get_bool(struct config_set
*cs
, const char *key
, int *dest
)
2207 if (!git_configset_get_value(cs
, key
, &value
)) {
2208 *dest
= git_config_bool(key
, value
);
2214 int git_configset_get_bool_or_int(struct config_set
*cs
, const char *key
,
2215 int *is_bool
, int *dest
)
2218 if (!git_configset_get_value(cs
, key
, &value
)) {
2219 *dest
= git_config_bool_or_int(key
, value
, is_bool
);
2225 int git_configset_get_maybe_bool(struct config_set
*cs
, const char *key
, int *dest
)
2228 if (!git_configset_get_value(cs
, key
, &value
)) {
2229 *dest
= git_parse_maybe_bool(value
);
2237 int git_configset_get_pathname(struct config_set
*cs
, const char *key
, const char **dest
)
2240 if (!git_configset_get_value(cs
, key
, &value
))
2241 return git_config_pathname(dest
, key
, value
);
2246 /* Functions use to read configuration from a repository */
2247 static void repo_read_config(struct repository
*repo
)
2249 struct config_options opts
= { 0 };
2251 opts
.respect_includes
= 1;
2252 opts
.commondir
= repo
->commondir
;
2253 opts
.git_dir
= repo
->gitdir
;
2256 repo
->config
= xcalloc(1, sizeof(struct config_set
));
2258 git_configset_clear(repo
->config
);
2260 git_configset_init(repo
->config
);
2262 if (config_with_options(config_set_callback
, repo
->config
, NULL
, &opts
) < 0)
2264 * config_with_options() normally returns only
2265 * zero, as most errors are fatal, and
2266 * non-fatal potential errors are guarded by "if"
2267 * statements that are entered only when no error is
2270 * If we ever encounter a non-fatal error, it means
2271 * something went really wrong and we should stop
2274 die(_("unknown error occurred while reading the configuration files"));
2277 static void git_config_check_init(struct repository
*repo
)
2279 if (repo
->config
&& repo
->config
->hash_initialized
)
2281 repo_read_config(repo
);
2284 static void repo_config_clear(struct repository
*repo
)
2286 if (!repo
->config
|| !repo
->config
->hash_initialized
)
2288 git_configset_clear(repo
->config
);
2291 void repo_config(struct repository
*repo
, config_fn_t fn
, void *data
)
2293 git_config_check_init(repo
);
2294 configset_iter(repo
->config
, fn
, data
);
2297 int repo_config_get_value(struct repository
*repo
,
2298 const char *key
, const char **value
)
2300 git_config_check_init(repo
);
2301 return git_configset_get_value(repo
->config
, key
, value
);
2304 const struct string_list
*repo_config_get_value_multi(struct repository
*repo
,
2307 git_config_check_init(repo
);
2308 return git_configset_get_value_multi(repo
->config
, key
);
2311 int repo_config_get_string(struct repository
*repo
,
2312 const char *key
, char **dest
)
2315 git_config_check_init(repo
);
2316 ret
= git_configset_get_string(repo
->config
, key
, dest
);
2318 git_die_config(key
, NULL
);
2322 int repo_config_get_string_tmp(struct repository
*repo
,
2323 const char *key
, const char **dest
)
2326 git_config_check_init(repo
);
2327 ret
= git_configset_get_string_tmp(repo
->config
, key
, dest
);
2329 git_die_config(key
, NULL
);
2333 int repo_config_get_int(struct repository
*repo
,
2334 const char *key
, int *dest
)
2336 git_config_check_init(repo
);
2337 return git_configset_get_int(repo
->config
, key
, dest
);
2340 int repo_config_get_ulong(struct repository
*repo
,
2341 const char *key
, unsigned long *dest
)
2343 git_config_check_init(repo
);
2344 return git_configset_get_ulong(repo
->config
, key
, dest
);
2347 int repo_config_get_bool(struct repository
*repo
,
2348 const char *key
, int *dest
)
2350 git_config_check_init(repo
);
2351 return git_configset_get_bool(repo
->config
, key
, dest
);
2354 int repo_config_get_bool_or_int(struct repository
*repo
,
2355 const char *key
, int *is_bool
, int *dest
)
2357 git_config_check_init(repo
);
2358 return git_configset_get_bool_or_int(repo
->config
, key
, is_bool
, dest
);
2361 int repo_config_get_maybe_bool(struct repository
*repo
,
2362 const char *key
, int *dest
)
2364 git_config_check_init(repo
);
2365 return git_configset_get_maybe_bool(repo
->config
, key
, dest
);
2368 int repo_config_get_pathname(struct repository
*repo
,
2369 const char *key
, const char **dest
)
2372 git_config_check_init(repo
);
2373 ret
= git_configset_get_pathname(repo
->config
, key
, dest
);
2375 git_die_config(key
, NULL
);
2379 /* Functions used historically to read configuration from 'the_repository' */
2380 void git_config(config_fn_t fn
, void *data
)
2382 repo_config(the_repository
, fn
, data
);
2385 void git_config_clear(void)
2387 repo_config_clear(the_repository
);
2390 int git_config_get_value(const char *key
, const char **value
)
2392 return repo_config_get_value(the_repository
, key
, value
);
2395 const struct string_list
*git_config_get_value_multi(const char *key
)
2397 return repo_config_get_value_multi(the_repository
, key
);
2400 int git_config_get_string(const char *key
, char **dest
)
2402 return repo_config_get_string(the_repository
, key
, dest
);
2405 int git_config_get_string_tmp(const char *key
, const char **dest
)
2407 return repo_config_get_string_tmp(the_repository
, key
, dest
);
2410 int git_config_get_int(const char *key
, int *dest
)
2412 return repo_config_get_int(the_repository
, key
, dest
);
2415 int git_config_get_ulong(const char *key
, unsigned long *dest
)
2417 return repo_config_get_ulong(the_repository
, key
, dest
);
2420 int git_config_get_bool(const char *key
, int *dest
)
2422 return repo_config_get_bool(the_repository
, key
, dest
);
2425 int git_config_get_bool_or_int(const char *key
, int *is_bool
, int *dest
)
2427 return repo_config_get_bool_or_int(the_repository
, key
, is_bool
, dest
);
2430 int git_config_get_maybe_bool(const char *key
, int *dest
)
2432 return repo_config_get_maybe_bool(the_repository
, key
, dest
);
2435 int git_config_get_pathname(const char *key
, const char **dest
)
2437 return repo_config_get_pathname(the_repository
, key
, dest
);
2440 int git_config_get_expiry(const char *key
, const char **output
)
2442 int ret
= git_config_get_string(key
, (char **)output
);
2445 if (strcmp(*output
, "now")) {
2446 timestamp_t now
= approxidate("now");
2447 if (approxidate(*output
) >= now
)
2448 git_die_config(key
, _("Invalid %s: '%s'"), key
, *output
);
2453 int git_config_get_expiry_in_days(const char *key
, timestamp_t
*expiry
, timestamp_t now
)
2455 const char *expiry_string
;
2459 if (git_config_get_string_tmp(key
, &expiry_string
))
2460 return 1; /* no such thing */
2462 if (git_parse_signed(expiry_string
, &days
, maximum_signed_value_of_type(int))) {
2463 const int scale
= 86400;
2464 *expiry
= now
- days
* scale
;
2468 if (!parse_expiry_date(expiry_string
, &when
)) {
2472 return -1; /* thing exists but cannot be parsed */
2475 int git_config_get_split_index(void)
2479 if (!git_config_get_maybe_bool("core.splitindex", &val
))
2482 return -1; /* default value */
2485 int git_config_get_max_percent_split_change(void)
2489 if (!git_config_get_int("splitindex.maxpercentchange", &val
)) {
2490 if (0 <= val
&& val
<= 100)
2493 return error(_("splitIndex.maxPercentChange value '%d' "
2494 "should be between 0 and 100"), val
);
2497 return -1; /* default value */
2500 int git_config_get_fsmonitor(void)
2502 if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor
))
2503 core_fsmonitor
= getenv("GIT_TEST_FSMONITOR");
2505 if (core_fsmonitor
&& !*core_fsmonitor
)
2506 core_fsmonitor
= NULL
;
2514 int git_config_get_index_threads(int *dest
)
2518 val
= git_env_ulong("GIT_TEST_INDEX_THREADS", 0);
2524 if (!git_config_get_bool_or_int("index.threads", &is_bool
, &val
)) {
2526 *dest
= val
? 0 : 1;
2536 void git_die_config_linenr(const char *key
, const char *filename
, int linenr
)
2539 die(_("unable to parse '%s' from command-line config"), key
);
2541 die(_("bad config variable '%s' in file '%s' at line %d"),
2542 key
, filename
, linenr
);
2545 NORETURN
__attribute__((format(printf
, 2, 3)))
2546 void git_die_config(const char *key
, const char *err
, ...)
2548 const struct string_list
*values
;
2549 struct key_value_info
*kv_info
;
2553 va_start(params
, err
);
2554 vreportf("error: ", err
, params
);
2557 values
= git_config_get_value_multi(key
);
2558 kv_info
= values
->items
[values
->nr
- 1].util
;
2559 git_die_config_linenr(key
, kv_info
->filename
, kv_info
->linenr
);
2563 * Find all the stuff for git_config_set() below.
2566 struct config_store_data
{
2570 const char *fixed_value
;
2571 regex_t
*value_pattern
;
2575 enum config_event_t type
;
2576 int is_keys_section
;
2578 unsigned int parsed_nr
, parsed_alloc
, *seen
, seen_nr
, seen_alloc
;
2579 unsigned int key_seen
:1, section_seen
:1, is_keys_section
:1;
2582 static void config_store_data_clear(struct config_store_data
*store
)
2585 if (store
->value_pattern
!= NULL
&&
2586 store
->value_pattern
!= CONFIG_REGEX_NONE
) {
2587 regfree(store
->value_pattern
);
2588 free(store
->value_pattern
);
2590 free(store
->parsed
);
2592 memset(store
, 0, sizeof(*store
));
2595 static int matches(const char *key
, const char *value
,
2596 const struct config_store_data
*store
)
2598 if (strcmp(key
, store
->key
))
2599 return 0; /* not ours */
2600 if (store
->fixed_value
)
2601 return !strcmp(store
->fixed_value
, value
);
2602 if (!store
->value_pattern
)
2603 return 1; /* always matches */
2604 if (store
->value_pattern
== CONFIG_REGEX_NONE
)
2605 return 0; /* never matches */
2607 return store
->do_not_match
^
2608 (value
&& !regexec(store
->value_pattern
, value
, 0, NULL
, 0));
2611 static int store_aux_event(enum config_event_t type
,
2612 size_t begin
, size_t end
, void *data
)
2614 struct config_store_data
*store
= data
;
2616 ALLOC_GROW(store
->parsed
, store
->parsed_nr
+ 1, store
->parsed_alloc
);
2617 store
->parsed
[store
->parsed_nr
].begin
= begin
;
2618 store
->parsed
[store
->parsed_nr
].end
= end
;
2619 store
->parsed
[store
->parsed_nr
].type
= type
;
2621 if (type
== CONFIG_EVENT_SECTION
) {
2622 int (*cmpfn
)(const char *, const char *, size_t);
2624 if (cf
->var
.len
< 2 || cf
->var
.buf
[cf
->var
.len
- 1] != '.')
2625 return error(_("invalid section name '%s'"), cf
->var
.buf
);
2627 if (cf
->subsection_case_sensitive
)
2628 cmpfn
= strncasecmp
;
2632 /* Is this the section we were looking for? */
2633 store
->is_keys_section
=
2634 store
->parsed
[store
->parsed_nr
].is_keys_section
=
2635 cf
->var
.len
- 1 == store
->baselen
&&
2636 !cmpfn(cf
->var
.buf
, store
->key
, store
->baselen
);
2637 if (store
->is_keys_section
) {
2638 store
->section_seen
= 1;
2639 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1,
2641 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
2650 static int store_aux(const char *key
, const char *value
, void *cb
)
2652 struct config_store_data
*store
= cb
;
2654 if (store
->key_seen
) {
2655 if (matches(key
, value
, store
)) {
2656 if (store
->seen_nr
== 1 && store
->multi_replace
== 0) {
2657 warning(_("%s has multiple values"), key
);
2660 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1,
2663 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
2666 } else if (store
->is_keys_section
) {
2668 * Do not increment matches yet: this may not be a match, but we
2669 * are in the desired section.
2671 ALLOC_GROW(store
->seen
, store
->seen_nr
+ 1, store
->seen_alloc
);
2672 store
->seen
[store
->seen_nr
] = store
->parsed_nr
;
2673 store
->section_seen
= 1;
2675 if (matches(key
, value
, store
)) {
2677 store
->key_seen
= 1;
2684 static int write_error(const char *filename
)
2686 error(_("failed to write new configuration file %s"), filename
);
2688 /* Same error code as "failed to rename". */
2692 static struct strbuf
store_create_section(const char *key
,
2693 const struct config_store_data
*store
)
2697 struct strbuf sb
= STRBUF_INIT
;
2699 dot
= memchr(key
, '.', store
->baselen
);
2701 strbuf_addf(&sb
, "[%.*s \"", (int)(dot
- key
), key
);
2702 for (i
= dot
- key
+ 1; i
< store
->baselen
; i
++) {
2703 if (key
[i
] == '"' || key
[i
] == '\\')
2704 strbuf_addch(&sb
, '\\');
2705 strbuf_addch(&sb
, key
[i
]);
2707 strbuf_addstr(&sb
, "\"]\n");
2709 strbuf_addch(&sb
, '[');
2710 strbuf_add(&sb
, key
, store
->baselen
);
2711 strbuf_addstr(&sb
, "]\n");
2717 static ssize_t
write_section(int fd
, const char *key
,
2718 const struct config_store_data
*store
)
2720 struct strbuf sb
= store_create_section(key
, store
);
2723 ret
= write_in_full(fd
, sb
.buf
, sb
.len
);
2724 strbuf_release(&sb
);
2729 static ssize_t
write_pair(int fd
, const char *key
, const char *value
,
2730 const struct config_store_data
*store
)
2734 const char *quote
= "";
2735 struct strbuf sb
= STRBUF_INIT
;
2738 * Check to see if the value needs to be surrounded with a dq pair.
2739 * Note that problematic characters are always backslash-quoted; this
2740 * check is about not losing leading or trailing SP and strings that
2741 * follow beginning-of-comment characters (i.e. ';' and '#') by the
2742 * configuration parser.
2744 if (value
[0] == ' ')
2746 for (i
= 0; value
[i
]; i
++)
2747 if (value
[i
] == ';' || value
[i
] == '#')
2749 if (i
&& value
[i
- 1] == ' ')
2752 strbuf_addf(&sb
, "\t%s = %s", key
+ store
->baselen
+ 1, quote
);
2754 for (i
= 0; value
[i
]; i
++)
2757 strbuf_addstr(&sb
, "\\n");
2760 strbuf_addstr(&sb
, "\\t");
2764 strbuf_addch(&sb
, '\\');
2767 strbuf_addch(&sb
, value
[i
]);
2770 strbuf_addf(&sb
, "%s\n", quote
);
2772 ret
= write_in_full(fd
, sb
.buf
, sb
.len
);
2773 strbuf_release(&sb
);
2779 * If we are about to unset the last key(s) in a section, and if there are
2780 * no comments surrounding (or included in) the section, we will want to
2781 * extend begin/end to remove the entire section.
2783 * Note: the parameter `seen_ptr` points to the index into the store.seen
2784 * array. * This index may be incremented if a section has more than one
2785 * entry (which all are to be removed).
2787 static void maybe_remove_section(struct config_store_data
*store
,
2788 size_t *begin_offset
, size_t *end_offset
,
2792 int i
, seen
, section_seen
= 0;
2795 * First, ensure that this is the first key, and that there are no
2796 * comments before the entry nor before the section header.
2799 for (i
= store
->seen
[seen
]; i
> 0; i
--) {
2800 enum config_event_t type
= store
->parsed
[i
- 1].type
;
2802 if (type
== CONFIG_EVENT_COMMENT
)
2803 /* There is a comment before this entry or section */
2805 if (type
== CONFIG_EVENT_ENTRY
) {
2807 /* This is not the section's first entry. */
2809 /* We encountered no comment before the section. */
2812 if (type
== CONFIG_EVENT_SECTION
) {
2813 if (!store
->parsed
[i
- 1].is_keys_section
)
2818 begin
= store
->parsed
[i
].begin
;
2821 * Next, make sure that we are removing he last key(s) in the section,
2822 * and that there are no comments that are possibly about the current
2825 for (i
= store
->seen
[seen
] + 1; i
< store
->parsed_nr
; i
++) {
2826 enum config_event_t type
= store
->parsed
[i
].type
;
2828 if (type
== CONFIG_EVENT_COMMENT
)
2830 if (type
== CONFIG_EVENT_SECTION
) {
2831 if (store
->parsed
[i
].is_keys_section
)
2835 if (type
== CONFIG_EVENT_ENTRY
) {
2836 if (++seen
< store
->seen_nr
&&
2837 i
== store
->seen
[seen
])
2838 /* We want to remove this entry, too */
2840 /* There is another entry in this section. */
2846 * We are really removing the last entry/entries from this section, and
2847 * there are no enclosed or surrounding comments. Remove the entire,
2848 * now-empty section.
2851 *begin_offset
= begin
;
2852 if (i
< store
->parsed_nr
)
2853 *end_offset
= store
->parsed
[i
].begin
;
2855 *end_offset
= store
->parsed
[store
->parsed_nr
- 1].end
;
2858 int git_config_set_in_file_gently(const char *config_filename
,
2859 const char *key
, const char *value
)
2861 return git_config_set_multivar_in_file_gently(config_filename
, key
, value
, NULL
, 0);
2864 void git_config_set_in_file(const char *config_filename
,
2865 const char *key
, const char *value
)
2867 git_config_set_multivar_in_file(config_filename
, key
, value
, NULL
, 0);
2870 int git_config_set_gently(const char *key
, const char *value
)
2872 return git_config_set_multivar_gently(key
, value
, NULL
, 0);
2875 void git_config_set(const char *key
, const char *value
)
2877 git_config_set_multivar(key
, value
, NULL
, 0);
2879 trace2_cmd_set_config(key
, value
);
2883 * If value==NULL, unset in (remove from) config,
2884 * if value_pattern!=NULL, disregard key/value pairs where value does not match.
2885 * if value_pattern==CONFIG_REGEX_NONE, do not match any existing values
2886 * (only add a new one)
2887 * if flags contains the CONFIG_FLAGS_MULTI_REPLACE flag, all matching
2888 * key/values are removed before a single new pair is written. If the
2889 * flag is not present, then replace only the first match.
2891 * Returns 0 on success.
2893 * This function does this:
2895 * - it locks the config file by creating ".git/config.lock"
2897 * - it then parses the config using store_aux() as validator to find
2898 * the position on the key/value pair to replace. If it is to be unset,
2899 * it must be found exactly once.
2901 * - the config file is mmap()ed and the part before the match (if any) is
2902 * written to the lock file, then the changed part and the rest.
2904 * - the config file is removed and the lock file rename()d to it.
2907 int git_config_set_multivar_in_file_gently(const char *config_filename
,
2908 const char *key
, const char *value
,
2909 const char *value_pattern
,
2912 int fd
= -1, in_fd
= -1;
2914 struct lock_file lock
= LOCK_INIT
;
2915 char *filename_buf
= NULL
;
2916 char *contents
= NULL
;
2918 struct config_store_data store
;
2920 memset(&store
, 0, sizeof(store
));
2922 /* parse-key returns negative; flip the sign to feed exit(3) */
2923 ret
= 0 - git_config_parse_key(key
, &store
.key
, &store
.baselen
);
2927 store
.multi_replace
= (flags
& CONFIG_FLAGS_MULTI_REPLACE
) != 0;
2929 if (!config_filename
)
2930 config_filename
= filename_buf
= git_pathdup("config");
2933 * The lock serves a purpose in addition to locking: the new
2934 * contents of .git/config will be written into it.
2936 fd
= hold_lock_file_for_update(&lock
, config_filename
, 0);
2938 error_errno(_("could not lock config file %s"), config_filename
);
2939 ret
= CONFIG_NO_LOCK
;
2944 * If .git/config does not exist yet, write a minimal version.
2946 in_fd
= open(config_filename
, O_RDONLY
);
2948 if ( ENOENT
!= errno
) {
2949 error_errno(_("opening %s"), config_filename
);
2950 ret
= CONFIG_INVALID_FILE
; /* same as "invalid config file" */
2953 /* if nothing to unset, error out */
2954 if (value
== NULL
) {
2955 ret
= CONFIG_NOTHING_SET
;
2960 store
.key
= xstrdup(key
);
2961 if (write_section(fd
, key
, &store
) < 0 ||
2962 write_pair(fd
, key
, value
, &store
) < 0)
2966 size_t copy_begin
, copy_end
;
2967 int i
, new_line
= 0;
2968 struct config_options opts
;
2970 if (value_pattern
== NULL
)
2971 store
.value_pattern
= NULL
;
2972 else if (value_pattern
== CONFIG_REGEX_NONE
)
2973 store
.value_pattern
= CONFIG_REGEX_NONE
;
2974 else if (flags
& CONFIG_FLAGS_FIXED_VALUE
)
2975 store
.fixed_value
= value_pattern
;
2977 if (value_pattern
[0] == '!') {
2978 store
.do_not_match
= 1;
2981 store
.do_not_match
= 0;
2983 store
.value_pattern
= (regex_t
*)xmalloc(sizeof(regex_t
));
2984 if (regcomp(store
.value_pattern
, value_pattern
,
2986 error(_("invalid pattern: %s"), value_pattern
);
2987 FREE_AND_NULL(store
.value_pattern
);
2988 ret
= CONFIG_INVALID_PATTERN
;
2993 ALLOC_GROW(store
.parsed
, 1, store
.parsed_alloc
);
2994 store
.parsed
[0].end
= 0;
2996 memset(&opts
, 0, sizeof(opts
));
2997 opts
.event_fn
= store_aux_event
;
2998 opts
.event_fn_data
= &store
;
3001 * After this, store.parsed will contain offsets of all the
3002 * parsed elements, and store.seen will contain a list of
3003 * matches, as indices into store.parsed.
3005 * As a side effect, we make sure to transform only a valid
3006 * existing config file.
3008 if (git_config_from_file_with_options(store_aux
,
3011 error(_("invalid config file %s"), config_filename
);
3012 ret
= CONFIG_INVALID_FILE
;
3016 /* if nothing to unset, or too many matches, error out */
3017 if ((store
.seen_nr
== 0 && value
== NULL
) ||
3018 (store
.seen_nr
> 1 && !store
.multi_replace
)) {
3019 ret
= CONFIG_NOTHING_SET
;
3023 if (fstat(in_fd
, &st
) == -1) {
3024 error_errno(_("fstat on %s failed"), config_filename
);
3025 ret
= CONFIG_INVALID_FILE
;
3029 contents_sz
= xsize_t(st
.st_size
);
3030 contents
= xmmap_gently(NULL
, contents_sz
, PROT_READ
,
3031 MAP_PRIVATE
, in_fd
, 0);
3032 if (contents
== MAP_FAILED
) {
3033 if (errno
== ENODEV
&& S_ISDIR(st
.st_mode
))
3035 error_errno(_("unable to mmap '%s'"), config_filename
);
3036 ret
= CONFIG_INVALID_FILE
;
3043 if (chmod(get_lock_file_path(&lock
), st
.st_mode
& 07777) < 0) {
3044 error_errno(_("chmod on %s failed"), get_lock_file_path(&lock
));
3045 ret
= CONFIG_NO_WRITE
;
3049 if (store
.seen_nr
== 0) {
3050 if (!store
.seen_alloc
) {
3051 /* Did not see key nor section */
3052 ALLOC_GROW(store
.seen
, 1, store
.seen_alloc
);
3053 store
.seen
[0] = store
.parsed_nr
3054 - !!store
.parsed_nr
;
3059 for (i
= 0, copy_begin
= 0; i
< store
.seen_nr
; i
++) {
3061 int j
= store
.seen
[i
];
3064 if (!store
.key_seen
) {
3065 copy_end
= store
.parsed
[j
].end
;
3066 /* include '\n' when copying section header */
3067 if (copy_end
> 0 && copy_end
< contents_sz
&&
3068 contents
[copy_end
- 1] != '\n' &&
3069 contents
[copy_end
] == '\n')
3071 replace_end
= copy_end
;
3073 replace_end
= store
.parsed
[j
].end
;
3074 copy_end
= store
.parsed
[j
].begin
;
3076 maybe_remove_section(&store
,
3080 * Swallow preceding white-space on the same
3083 while (copy_end
> 0 ) {
3084 char c
= contents
[copy_end
- 1];
3086 if (isspace(c
) && c
!= '\n')
3093 if (copy_end
> 0 && contents
[copy_end
-1] != '\n')
3096 /* write the first part of the config */
3097 if (copy_end
> copy_begin
) {
3098 if (write_in_full(fd
, contents
+ copy_begin
,
3099 copy_end
- copy_begin
) < 0)
3102 write_str_in_full(fd
, "\n") < 0)
3105 copy_begin
= replace_end
;
3108 /* write the pair (value == NULL means unset) */
3109 if (value
!= NULL
) {
3110 if (!store
.section_seen
) {
3111 if (write_section(fd
, key
, &store
) < 0)
3114 if (write_pair(fd
, key
, value
, &store
) < 0)
3118 /* write the rest of the config */
3119 if (copy_begin
< contents_sz
)
3120 if (write_in_full(fd
, contents
+ copy_begin
,
3121 contents_sz
- copy_begin
) < 0)
3124 munmap(contents
, contents_sz
);
3128 if (commit_lock_file(&lock
) < 0) {
3129 error_errno(_("could not write config file %s"), config_filename
);
3130 ret
= CONFIG_NO_WRITE
;
3136 /* Invalidate the config cache */
3140 rollback_lock_file(&lock
);
3143 munmap(contents
, contents_sz
);
3146 config_store_data_clear(&store
);
3150 ret
= write_error(get_lock_file_path(&lock
));
3155 void git_config_set_multivar_in_file(const char *config_filename
,
3156 const char *key
, const char *value
,
3157 const char *value_pattern
, unsigned flags
)
3159 if (!git_config_set_multivar_in_file_gently(config_filename
, key
, value
,
3160 value_pattern
, flags
))
3163 die(_("could not set '%s' to '%s'"), key
, value
);
3165 die(_("could not unset '%s'"), key
);
3168 int git_config_set_multivar_gently(const char *key
, const char *value
,
3169 const char *value_pattern
, unsigned flags
)
3171 return git_config_set_multivar_in_file_gently(NULL
, key
, value
, value_pattern
,
3175 void git_config_set_multivar(const char *key
, const char *value
,
3176 const char *value_pattern
, unsigned flags
)
3178 git_config_set_multivar_in_file(NULL
, key
, value
, value_pattern
,
3182 static int section_name_match (const char *buf
, const char *name
)
3184 int i
= 0, j
= 0, dot
= 0;
3187 for (i
= 1; buf
[i
] && buf
[i
] != ']'; i
++) {
3188 if (!dot
&& isspace(buf
[i
])) {
3190 if (name
[j
++] != '.')
3192 for (i
++; isspace(buf
[i
]); i
++)
3198 if (buf
[i
] == '\\' && dot
)
3200 else if (buf
[i
] == '"' && dot
) {
3201 for (i
++; isspace(buf
[i
]); i
++)
3205 if (buf
[i
] != name
[j
++])
3208 if (buf
[i
] == ']' && name
[j
] == 0) {
3210 * We match, now just find the right length offset by
3211 * gobbling up any whitespace after it, as well
3214 for (; buf
[i
] && isspace(buf
[i
]); i
++)
3221 static int section_name_is_ok(const char *name
)
3223 /* Empty section names are bogus. */
3228 * Before a dot, we must be alphanumeric or dash. After the first dot,
3229 * anything goes, so we can stop checking.
3231 for (; *name
&& *name
!= '.'; name
++)
3232 if (*name
!= '-' && !isalnum(*name
))
3237 /* if new_name == NULL, the section is removed instead */
3238 static int git_config_copy_or_rename_section_in_file(const char *config_filename
,
3239 const char *old_name
,
3240 const char *new_name
, int copy
)
3242 int ret
= 0, remove
= 0;
3243 char *filename_buf
= NULL
;
3244 struct lock_file lock
= LOCK_INIT
;
3247 FILE *config_file
= NULL
;
3249 struct strbuf copystr
= STRBUF_INIT
;
3250 struct config_store_data store
;
3252 memset(&store
, 0, sizeof(store
));
3254 if (new_name
&& !section_name_is_ok(new_name
)) {
3255 ret
= error(_("invalid section name: %s"), new_name
);
3256 goto out_no_rollback
;
3259 if (!config_filename
)
3260 config_filename
= filename_buf
= git_pathdup("config");
3262 out_fd
= hold_lock_file_for_update(&lock
, config_filename
, 0);
3264 ret
= error(_("could not lock config file %s"), config_filename
);
3268 if (!(config_file
= fopen(config_filename
, "rb"))) {
3269 ret
= warn_on_fopen_errors(config_filename
);
3272 /* no config file means nothing to rename, no error */
3273 goto commit_and_out
;
3276 if (fstat(fileno(config_file
), &st
) == -1) {
3277 ret
= error_errno(_("fstat on %s failed"), config_filename
);
3281 if (chmod(get_lock_file_path(&lock
), st
.st_mode
& 07777) < 0) {
3282 ret
= error_errno(_("chmod on %s failed"),
3283 get_lock_file_path(&lock
));
3287 while (fgets(buf
, sizeof(buf
), config_file
)) {
3292 for (i
= 0; buf
[i
] && isspace(buf
[i
]); i
++)
3294 if (buf
[i
] == '[') {
3295 /* it's a section */
3300 * When encountering a new section under -c we
3301 * need to flush out any section we're already
3302 * coping and begin anew. There might be
3303 * multiple [branch "$name"] sections.
3305 if (copystr
.len
> 0) {
3306 if (write_in_full(out_fd
, copystr
.buf
, copystr
.len
) < 0) {
3307 ret
= write_error(get_lock_file_path(&lock
));
3310 strbuf_reset(©str
);
3313 offset
= section_name_match(&buf
[i
], old_name
);
3316 if (new_name
== NULL
) {
3320 store
.baselen
= strlen(new_name
);
3322 if (write_section(out_fd
, new_name
, &store
) < 0) {
3323 ret
= write_error(get_lock_file_path(&lock
));
3327 * We wrote out the new section, with
3328 * a newline, now skip the old
3331 output
+= offset
+ i
;
3332 if (strlen(output
) > 0) {
3334 * More content means there's
3335 * a declaration to put on the
3336 * next line; indent with a
3343 copystr
= store_create_section(new_name
, &store
);
3350 length
= strlen(output
);
3352 if (!is_section
&& copystr
.len
> 0) {
3353 strbuf_add(©str
, output
, length
);
3356 if (write_in_full(out_fd
, output
, length
) < 0) {
3357 ret
= write_error(get_lock_file_path(&lock
));
3363 * Copy a trailing section at the end of the config, won't be
3364 * flushed by the usual "flush because we have a new section
3365 * logic in the loop above.
3367 if (copystr
.len
> 0) {
3368 if (write_in_full(out_fd
, copystr
.buf
, copystr
.len
) < 0) {
3369 ret
= write_error(get_lock_file_path(&lock
));
3372 strbuf_reset(©str
);
3375 fclose(config_file
);
3378 if (commit_lock_file(&lock
) < 0)
3379 ret
= error_errno(_("could not write config file %s"),
3383 fclose(config_file
);
3384 rollback_lock_file(&lock
);
3387 config_store_data_clear(&store
);
3391 int git_config_rename_section_in_file(const char *config_filename
,
3392 const char *old_name
, const char *new_name
)
3394 return git_config_copy_or_rename_section_in_file(config_filename
,
3395 old_name
, new_name
, 0);
3398 int git_config_rename_section(const char *old_name
, const char *new_name
)
3400 return git_config_rename_section_in_file(NULL
, old_name
, new_name
);
3403 int git_config_copy_section_in_file(const char *config_filename
,
3404 const char *old_name
, const char *new_name
)
3406 return git_config_copy_or_rename_section_in_file(config_filename
,
3407 old_name
, new_name
, 1);
3410 int git_config_copy_section(const char *old_name
, const char *new_name
)
3412 return git_config_copy_section_in_file(NULL
, old_name
, new_name
);
3416 * Call this to report error for your variable that should not
3417 * get a boolean value (i.e. "[my] var" means "true").
3419 #undef config_error_nonbool
3420 int config_error_nonbool(const char *var
)
3422 return error(_("missing value for '%s'"), var
);
3425 int parse_config_key(const char *var
,
3426 const char *section
,
3427 const char **subsection
, size_t *subsection_len
,
3432 /* Does it start with "section." ? */
3433 if (!skip_prefix(var
, section
, &var
) || *var
!= '.')
3437 * Find the key; we don't know yet if we have a subsection, but we must
3438 * parse backwards from the end, since the subsection may have dots in
3441 dot
= strrchr(var
, '.');
3444 /* Did we have a subsection at all? */
3448 *subsection_len
= 0;
3454 *subsection
= var
+ 1;
3455 *subsection_len
= dot
- *subsection
;
3461 const char *current_config_origin_type(void)
3464 if (current_config_kvi
)
3465 type
= current_config_kvi
->origin_type
;
3467 type
= cf
->origin_type
;
3469 BUG("current_config_origin_type called outside config callback");
3472 case CONFIG_ORIGIN_BLOB
:
3474 case CONFIG_ORIGIN_FILE
:
3476 case CONFIG_ORIGIN_STDIN
:
3477 return "standard input";
3478 case CONFIG_ORIGIN_SUBMODULE_BLOB
:
3479 return "submodule-blob";
3480 case CONFIG_ORIGIN_CMDLINE
:
3481 return "command line";
3483 BUG("unknown config origin type");
3487 const char *config_scope_name(enum config_scope scope
)
3490 case CONFIG_SCOPE_SYSTEM
:
3492 case CONFIG_SCOPE_GLOBAL
:
3494 case CONFIG_SCOPE_LOCAL
:
3496 case CONFIG_SCOPE_WORKTREE
:
3498 case CONFIG_SCOPE_COMMAND
:
3500 case CONFIG_SCOPE_SUBMODULE
:
3507 const char *current_config_name(void)
3510 if (current_config_kvi
)
3511 name
= current_config_kvi
->filename
;
3515 BUG("current_config_name called outside config callback");
3516 return name
? name
: "";
3519 enum config_scope
current_config_scope(void)
3521 if (current_config_kvi
)
3522 return current_config_kvi
->scope
;
3524 return current_parsing_scope
;
3527 int current_config_line(void)
3529 if (current_config_kvi
)
3530 return current_config_kvi
->linenr
;
3535 int lookup_config(const char **mapping
, int nr_mapping
, const char *var
)
3539 for (i
= 0; i
< nr_mapping
; i
++) {
3540 const char *name
= mapping
[i
];
3542 if (name
&& !strcasecmp(var
, name
))