2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Johannes Schindelin, 2005
10 #include "repository.h"
16 #include "string-list.h"
17 #include "object-store.h"
22 struct config_source {
23 struct config_source *prev;
32 enum config_origin_type origin_type;
35 enum config_error_action default_error_action;
41 int (*do_fgetc)(struct config_source *c);
42 int (*do_ungetc)(int c, struct config_source *conf);
43 long (*do_ftell)(struct config_source *c);
47 * These variables record the "current" config source, which
48 * can be accessed by parsing callbacks.
50 * The "cf" variable will be non-NULL only when we are actually parsing a real
51 * config source (file, blob, cmdline, etc).
53 * The "current_config_kvi" variable will be non-NULL only when we are feeding
54 * cached config from a configset into a callback.
56 * They should generally never be non-NULL at the same time. If they are both
57 * NULL, then we aren't parsing anything (and depending on the function looking
58 * at the variables, it's either a bug for it to be called in the first place,
59 * or it's a function which can be reused for non-config purposes, and should
60 * fall back to some sane behavior).
62 static struct config_source *cf;
63 static struct key_value_info *current_config_kvi;
66 * Similar to the variables above, this gives access to the "scope" of the
67 * current value (repo, global, etc). For cached values, it can be found via
68 * the current_config_kvi as above. During parsing, the current value can be
69 * found in this variable. It's not part of "cf" because it transcends a single
70 * file (i.e., a file included from .git/config is still in "repo" scope).
72 static enum config_scope current_parsing_scope;
74 static int core_compression_seen;
75 static int pack_compression_seen;
76 static int zlib_compression_seen;
78 static int config_file_fgetc(struct config_source *conf)
80 return getc_unlocked(conf->u.file);
83 static int config_file_ungetc(int c, struct config_source *conf)
85 return ungetc(c, conf->u.file);
88 static long config_file_ftell(struct config_source *conf)
90 return ftell(conf->u.file);
94 static int config_buf_fgetc(struct config_source *conf)
96 if (conf->u.buf.pos < conf->u.buf.len)
97 return conf->u.buf.buf[conf->u.buf.pos++];
102 static int config_buf_ungetc(int c, struct config_source *conf)
104 if (conf->u.buf.pos > 0) {
106 if (conf->u.buf.buf[conf->u.buf.pos] != c)
107 BUG("config_buf can only ungetc the same character");
114 static long config_buf_ftell(struct config_source *conf)
116 return conf->u.buf.pos;
119 #define MAX_INCLUDE_DEPTH 10
120 static const char include_depth_advice[] =
121 "exceeded maximum include depth (%d) while including\n"
125 "Do you have circular includes?";
126 static int handle_path_include(const char *path, struct config_include_data *inc)
129 struct strbuf buf = STRBUF_INIT;
133 return config_error_nonbool("include.path");
135 expanded = expand_user_path(path, 0);
137 return error("could not expand include path '%s'", path);
141 * Use an absolute path as-is, but interpret relative paths
142 * based on the including config file.
144 if (!is_absolute_path(path)) {
147 if (!cf || !cf->path)
148 return error("relative config includes must come from files");
150 slash = find_last_dir_sep(cf->path);
152 strbuf_add(&buf, cf->path, slash - cf->path + 1);
153 strbuf_addstr(&buf, path);
157 if (!access_or_die(path, R_OK, 0)) {
158 if (++inc->depth > MAX_INCLUDE_DEPTH)
159 die(include_depth_advice, MAX_INCLUDE_DEPTH, path,
161 cf->name ? cf->name :
163 ret = git_config_from_file(git_config_include, path, inc);
166 strbuf_release(&buf);
171 static int prepare_include_condition_pattern(struct strbuf *pat)
173 struct strbuf path = STRBUF_INIT;
177 expanded = expand_user_path(pat->buf, 1);
180 strbuf_addstr(pat, expanded);
184 if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) {
187 if (!cf || !cf->path)
188 return error(_("relative config include "
189 "conditionals must come from files"));
191 strbuf_realpath(&path, cf->path, 1);
192 slash = find_last_dir_sep(path.buf);
194 BUG("how is this possible?");
195 strbuf_splice(pat, 0, 1, path.buf, slash - path.buf);
196 prefix = slash - path.buf + 1 /* slash */;
197 } else if (!is_absolute_path(pat->buf))
198 strbuf_insert(pat, 0, "**/", 3);
200 if (pat->len && is_dir_sep(pat->buf[pat->len - 1]))
201 strbuf_addstr(pat, "**");
203 strbuf_release(&path);
207 static int include_by_gitdir(const struct config_options *opts,
208 const char *cond, size_t cond_len, int icase)
210 struct strbuf text = STRBUF_INIT;
211 struct strbuf pattern = STRBUF_INIT;
214 int already_tried_absolute = 0;
217 git_dir = opts->git_dir;
221 strbuf_realpath(&text, git_dir, 1);
222 strbuf_add(&pattern, cond, cond_len);
223 prefix = prepare_include_condition_pattern(&pattern);
231 * perform literal matching on the prefix part so that
232 * any wildcard character in it can't create side effects.
234 if (text.len < prefix)
236 if (!icase && strncmp(pattern.buf, text.buf, prefix))
238 if (icase && strncasecmp(pattern.buf, text.buf, prefix))
242 ret = !wildmatch(pattern.buf + prefix, text.buf + prefix,
243 icase ? WM_CASEFOLD : 0);
245 if (!ret && !already_tried_absolute) {
247 * We've tried e.g. matching gitdir:~/work, but if
248 * ~/work is a symlink to /mnt/storage/work
249 * strbuf_realpath() will expand it, so the rule won't
250 * match. Let's match against a
251 * strbuf_add_absolute_path() version of the path,
252 * which'll do the right thing
255 strbuf_add_absolute_path(&text, git_dir);
256 already_tried_absolute = 1;
260 strbuf_release(&pattern);
261 strbuf_release(&text);
265 static int include_condition_is_true(const struct config_options *opts,
266 const char *cond, size_t cond_len)
269 if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len))
270 return include_by_gitdir(opts, cond, cond_len, 0);
271 else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len))
272 return include_by_gitdir(opts, cond, cond_len, 1);
274 /* unknown conditionals are always false */
278 int git_config_include(const char *var, const char *value, void *data)
280 struct config_include_data *inc = data;
281 const char *cond, *key;
286 * Pass along all values, including "include" directives; this makes it
287 * possible to query information on the includes themselves.
289 ret = inc->fn(var, value, inc->data);
293 if (!strcmp(var, "include.path"))
294 ret = handle_path_include(value, inc);
296 if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) &&
297 (cond && include_condition_is_true(inc->opts, cond, cond_len)) &&
298 !strcmp(key, "path"))
299 ret = handle_path_include(value, inc);
304 void git_config_push_parameter(const char *text)
306 struct strbuf env = STRBUF_INIT;
307 const char *old = getenv(CONFIG_DATA_ENVIRONMENT);
309 strbuf_addstr(&env, old);
310 strbuf_addch(&env, ' ');
312 sq_quote_buf(&env, text);
313 setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1);
314 strbuf_release(&env);
317 static inline int iskeychar(int c)
319 return isalnum(c) || c == '-';
323 * Auxiliary function to sanity-check and split the key into the section
324 * identifier and variable name.
326 * Returns 0 on success, -1 when there is an invalid character in the key and
327 * -2 if there is no section name in the key.
329 * store_key - pointer to char* which will hold a copy of the key with
330 * lowercase section and variable name
331 * baselen - pointer to int which will hold the length of the
332 * section + subsection part, can be NULL
334 static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet)
337 const char *last_dot = strrchr(key, '.');
340 * Since "key" actually contains the section name and the real
341 * key name separated by a dot, we have to know where the dot is.
344 if (last_dot == NULL || last_dot == key) {
346 error("key does not contain a section: %s", key);
347 return -CONFIG_NO_SECTION_OR_NAME;
352 error("key does not contain variable name: %s", key);
353 return -CONFIG_NO_SECTION_OR_NAME;
356 baselen = last_dot - key;
361 * Validate the key and while at it, lower case it for matching.
364 *store_key = xmallocz(strlen(key));
367 for (i = 0; key[i]; i++) {
368 unsigned char c = key[i];
371 /* Leave the extended basename untouched.. */
372 if (!dot || i > baselen) {
374 (i == baselen + 1 && !isalpha(c))) {
376 error("invalid key: %s", key);
380 } else if (c == '\n') {
382 error("invalid key (newline): %s", key);
393 FREE_AND_NULL(*store_key);
395 return -CONFIG_INVALID_KEY;
398 int git_config_parse_key(const char *key, char **store_key, int *baselen)
400 return git_config_parse_key_1(key, store_key, baselen, 0);
403 int git_config_key_is_valid(const char *key)
405 return !git_config_parse_key_1(key, NULL, NULL, 1);
408 int git_config_parse_parameter(const char *text,
409 config_fn_t fn, void *data)
412 char *canonical_name;
413 struct strbuf **pair;
416 pair = strbuf_split_str(text, '=', 2);
418 return error("bogus config parameter: %s", text);
420 if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') {
421 strbuf_setlen(pair[0], pair[0]->len - 1);
422 value = pair[1] ? pair[1]->buf : "";
427 strbuf_trim(pair[0]);
429 strbuf_list_free(pair);
430 return error("bogus config parameter: %s", text);
433 if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) {
436 ret = (fn(canonical_name, value, data) < 0) ? -1 : 0;
437 free(canonical_name);
439 strbuf_list_free(pair);
443 int git_config_from_parameters(config_fn_t fn, void *data)
445 const char *env = getenv(CONFIG_DATA_ENVIRONMENT);
448 const char **argv = NULL;
449 int nr = 0, alloc = 0;
451 struct config_source source;
456 memset(&source, 0, sizeof(source));
458 source.origin_type = CONFIG_ORIGIN_CMDLINE;
461 /* sq_dequote will write over it */
464 if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) {
465 ret = error("bogus format in " CONFIG_DATA_ENVIRONMENT);
469 for (i = 0; i < nr; i++) {
470 if (git_config_parse_parameter(argv[i], fn, data) < 0) {
483 static int get_next_char(void)
485 int c = cf->do_fgetc(cf);
488 /* DOS like systems */
489 c = cf->do_fgetc(cf);
492 cf->do_ungetc(c, cf);
506 static char *parse_value(void)
508 int quote = 0, comment = 0, space = 0;
510 strbuf_reset(&cf->value);
512 int c = get_next_char();
518 return cf->value.buf;
522 if (isspace(c) && !quote) {
528 if (c == ';' || c == '#') {
533 for (; space; space--)
534 strbuf_addch(&cf->value, ' ');
549 /* Some characters escape as themselves */
552 /* Reject unknown escape sequences */
556 strbuf_addch(&cf->value, c);
563 strbuf_addch(&cf->value, c);
567 static int get_value(config_fn_t fn, void *data, struct strbuf *name)
573 /* Get the full name */
580 strbuf_addch(name, tolower(c));
583 while (c == ' ' || c == '\t')
590 value = parse_value();
595 * We already consumed the \n, but we need linenr to point to
596 * the line we just parsed during the call to fn to get
597 * accurate line number in error messages.
600 ret = fn(name->buf, value, data);
606 static int get_extended_base_var(struct strbuf *name, int c)
610 goto error_incomplete_line;
612 } while (isspace(c));
614 /* We require the format to be '[base "extension"]' */
617 strbuf_addch(name, '.');
620 int c = get_next_char();
622 goto error_incomplete_line;
628 goto error_incomplete_line;
630 strbuf_addch(name, c);
634 if (get_next_char() != ']')
637 error_incomplete_line:
642 static int get_base_var(struct strbuf *name)
645 int c = get_next_char();
651 return get_extended_base_var(name, c);
652 if (!iskeychar(c) && c != '.')
654 strbuf_addch(name, tolower(c));
658 struct parse_event_data {
659 enum config_event_t previous_type;
660 size_t previous_offset;
661 const struct config_options *opts;
664 static int do_event(enum config_event_t type, struct parse_event_data *data)
668 if (!data->opts || !data->opts->event_fn)
671 if (type == CONFIG_EVENT_WHITESPACE &&
672 data->previous_type == type)
675 offset = cf->do_ftell(cf);
677 * At EOF, the parser always "inserts" an extra '\n', therefore
678 * the end offset of the event is the current file position, otherwise
679 * we will already have advanced to the next event.
681 if (type != CONFIG_EVENT_EOF)
684 if (data->previous_type != CONFIG_EVENT_EOF &&
685 data->opts->event_fn(data->previous_type, data->previous_offset,
686 offset, data->opts->event_fn_data) < 0)
689 data->previous_type = type;
690 data->previous_offset = offset;
695 static int git_parse_source(config_fn_t fn, void *data,
696 const struct config_options *opts)
700 struct strbuf *var = &cf->var;
701 int error_return = 0;
702 char *error_msg = NULL;
704 /* U+FEFF Byte Order Mark in UTF8 */
705 const char *bomptr = utf8_bom;
707 /* For the parser event callback */
708 struct parse_event_data event_data = {
709 CONFIG_EVENT_EOF, 0, opts
716 if (bomptr && *bomptr) {
717 /* We are at the file beginning; skip UTF8-encoded BOM
718 * if present. Sane editors won't put this in on their
719 * own, but e.g. Windows Notepad will do it happily. */
720 if (c == (*bomptr & 0377)) {
724 /* Do not tolerate partial BOM. */
725 if (bomptr != utf8_bom)
727 /* No BOM at file beginning. Cool. */
733 if (do_event(CONFIG_EVENT_EOF, &event_data) < 0)
737 if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0)
745 if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0)
749 if (c == '#' || c == ';') {
750 if (do_event(CONFIG_EVENT_COMMENT, &event_data) < 0)
756 if (do_event(CONFIG_EVENT_SECTION, &event_data) < 0)
759 /* Reset prior to determining a new stem */
761 if (get_base_var(var) < 0 || var->len < 1)
763 strbuf_addch(var, '.');
770 if (do_event(CONFIG_EVENT_ENTRY, &event_data) < 0)
774 * Truncate the var name back to the section header
775 * stem prior to grabbing the suffix part of the name
778 strbuf_setlen(var, baselen);
779 strbuf_addch(var, tolower(c));
780 if (get_value(fn, data, var) < 0)
784 if (do_event(CONFIG_EVENT_ERROR, &event_data) < 0)
787 switch (cf->origin_type) {
788 case CONFIG_ORIGIN_BLOB:
789 error_msg = xstrfmt(_("bad config line %d in blob %s"),
790 cf->linenr, cf->name);
792 case CONFIG_ORIGIN_FILE:
793 error_msg = xstrfmt(_("bad config line %d in file %s"),
794 cf->linenr, cf->name);
796 case CONFIG_ORIGIN_STDIN:
797 error_msg = xstrfmt(_("bad config line %d in standard input"),
800 case CONFIG_ORIGIN_SUBMODULE_BLOB:
801 error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"),
802 cf->linenr, cf->name);
804 case CONFIG_ORIGIN_CMDLINE:
805 error_msg = xstrfmt(_("bad config line %d in command line %s"),
806 cf->linenr, cf->name);
809 error_msg = xstrfmt(_("bad config line %d in %s"),
810 cf->linenr, cf->name);
813 switch (opts && opts->error_action ?
815 cf->default_error_action) {
816 case CONFIG_ERROR_DIE:
817 die("%s", error_msg);
819 case CONFIG_ERROR_ERROR:
820 error_return = error("%s", error_msg);
822 case CONFIG_ERROR_SILENT:
825 case CONFIG_ERROR_UNSET:
826 BUG("config error action unset");
833 static int parse_unit_factor(const char *end, uintmax_t *val)
837 else if (!strcasecmp(end, "k")) {
841 else if (!strcasecmp(end, "m")) {
845 else if (!strcasecmp(end, "g")) {
846 *val *= 1024 * 1024 * 1024;
852 static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max)
854 if (value && *value) {
858 uintmax_t factor = 1;
861 val = strtoimax(value, &end, 0);
864 if (!parse_unit_factor(end, &factor)) {
870 if (uval > max || labs(val) > uval) {
882 static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max)
884 if (value && *value) {
890 val = strtoumax(value, &end, 0);
894 if (!parse_unit_factor(end, &val)) {
898 if (val > max || oldval > val) {
909 static int git_parse_int(const char *value, int *ret)
912 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int)))
918 static int git_parse_int64(const char *value, int64_t *ret)
921 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t)))
927 int git_parse_ulong(const char *value, unsigned long *ret)
930 if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long)))
936 static int git_parse_ssize_t(const char *value, ssize_t *ret)
939 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t)))
946 static void die_bad_number(const char *name, const char *value)
948 const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit");
953 if (!(cf && cf->name))
954 die(_("bad numeric config value '%s' for '%s': %s"),
955 value, name, error_type);
957 switch (cf->origin_type) {
958 case CONFIG_ORIGIN_BLOB:
959 die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
960 value, name, cf->name, error_type);
961 case CONFIG_ORIGIN_FILE:
962 die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
963 value, name, cf->name, error_type);
964 case CONFIG_ORIGIN_STDIN:
965 die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
966 value, name, error_type);
967 case CONFIG_ORIGIN_SUBMODULE_BLOB:
968 die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
969 value, name, cf->name, error_type);
970 case CONFIG_ORIGIN_CMDLINE:
971 die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
972 value, name, cf->name, error_type);
974 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
975 value, name, cf->name, error_type);
979 int git_config_int(const char *name, const char *value)
982 if (!git_parse_int(value, &ret))
983 die_bad_number(name, value);
987 int64_t git_config_int64(const char *name, const char *value)
990 if (!git_parse_int64(value, &ret))
991 die_bad_number(name, value);
995 unsigned long git_config_ulong(const char *name, const char *value)
998 if (!git_parse_ulong(value, &ret))
999 die_bad_number(name, value);
1003 ssize_t git_config_ssize_t(const char *name, const char *value)
1006 if (!git_parse_ssize_t(value, &ret))
1007 die_bad_number(name, value);
1011 static int git_parse_maybe_bool_text(const char *value)
1017 if (!strcasecmp(value, "true")
1018 || !strcasecmp(value, "yes")
1019 || !strcasecmp(value, "on"))
1021 if (!strcasecmp(value, "false")
1022 || !strcasecmp(value, "no")
1023 || !strcasecmp(value, "off"))
1028 int git_parse_maybe_bool(const char *value)
1030 int v = git_parse_maybe_bool_text(value);
1033 if (git_parse_int(value, &v))
1038 int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
1040 int v = git_parse_maybe_bool_text(value);
1046 return git_config_int(name, value);
1049 int git_config_bool(const char *name, const char *value)
1052 return !!git_config_bool_or_int(name, value, &discard);
1055 int git_config_string(const char **dest, const char *var, const char *value)
1058 return config_error_nonbool(var);
1059 *dest = xstrdup(value);
1063 int git_config_pathname(const char **dest, const char *var, const char *value)
1066 return config_error_nonbool(var);
1067 *dest = expand_user_path(value, 0);
1069 die(_("failed to expand user dir in: '%s'"), value);
1073 int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value)
1076 return config_error_nonbool(var);
1077 if (parse_expiry_date(value, timestamp))
1078 return error(_("'%s' for '%s' is not a valid timestamp"),
1083 int git_config_color(char *dest, const char *var, const char *value)
1086 return config_error_nonbool(var);
1087 if (color_parse(value, dest) < 0)
1092 static int git_default_core_config(const char *var, const char *value)
1094 /* This needs a better name */
1095 if (!strcmp(var, "core.filemode")) {
1096 trust_executable_bit = git_config_bool(var, value);
1099 if (!strcmp(var, "core.trustctime")) {
1100 trust_ctime = git_config_bool(var, value);
1103 if (!strcmp(var, "core.checkstat")) {
1104 if (!strcasecmp(value, "default"))
1106 else if (!strcasecmp(value, "minimal"))
1110 if (!strcmp(var, "core.quotepath")) {
1111 quote_path_fully = git_config_bool(var, value);
1115 if (!strcmp(var, "core.symlinks")) {
1116 has_symlinks = git_config_bool(var, value);
1120 if (!strcmp(var, "core.ignorecase")) {
1121 ignore_case = git_config_bool(var, value);
1125 if (!strcmp(var, "core.attributesfile"))
1126 return git_config_pathname(&git_attributes_file, var, value);
1128 if (!strcmp(var, "core.hookspath"))
1129 return git_config_pathname(&git_hooks_path, var, value);
1131 if (!strcmp(var, "core.bare")) {
1132 is_bare_repository_cfg = git_config_bool(var, value);
1136 if (!strcmp(var, "core.ignorestat")) {
1137 assume_unchanged = git_config_bool(var, value);
1141 if (!strcmp(var, "core.prefersymlinkrefs")) {
1142 prefer_symlink_refs = git_config_bool(var, value);
1146 if (!strcmp(var, "core.logallrefupdates")) {
1147 if (value && !strcasecmp(value, "always"))
1148 log_all_ref_updates = LOG_REFS_ALWAYS;
1149 else if (git_config_bool(var, value))
1150 log_all_ref_updates = LOG_REFS_NORMAL;
1152 log_all_ref_updates = LOG_REFS_NONE;
1156 if (!strcmp(var, "core.warnambiguousrefs")) {
1157 warn_ambiguous_refs = git_config_bool(var, value);
1161 if (!strcmp(var, "core.abbrev")) {
1163 return config_error_nonbool(var);
1164 if (!strcasecmp(value, "auto"))
1165 default_abbrev = -1;
1167 int abbrev = git_config_int(var, value);
1168 if (abbrev < minimum_abbrev || abbrev > 40)
1169 return error("abbrev length out of range: %d", abbrev);
1170 default_abbrev = abbrev;
1175 if (!strcmp(var, "core.disambiguate"))
1176 return set_disambiguate_hint_config(var, value);
1178 if (!strcmp(var, "core.loosecompression")) {
1179 int level = git_config_int(var, value);
1181 level = Z_DEFAULT_COMPRESSION;
1182 else if (level < 0 || level > Z_BEST_COMPRESSION)
1183 die(_("bad zlib compression level %d"), level);
1184 zlib_compression_level = level;
1185 zlib_compression_seen = 1;
1189 if (!strcmp(var, "core.compression")) {
1190 int level = git_config_int(var, value);
1192 level = Z_DEFAULT_COMPRESSION;
1193 else if (level < 0 || level > Z_BEST_COMPRESSION)
1194 die(_("bad zlib compression level %d"), level);
1195 core_compression_level = level;
1196 core_compression_seen = 1;
1197 if (!zlib_compression_seen)
1198 zlib_compression_level = level;
1199 if (!pack_compression_seen)
1200 pack_compression_level = level;
1204 if (!strcmp(var, "core.packedgitwindowsize")) {
1205 int pgsz_x2 = getpagesize() * 2;
1206 packed_git_window_size = git_config_ulong(var, value);
1208 /* This value must be multiple of (pagesize * 2) */
1209 packed_git_window_size /= pgsz_x2;
1210 if (packed_git_window_size < 1)
1211 packed_git_window_size = 1;
1212 packed_git_window_size *= pgsz_x2;
1216 if (!strcmp(var, "core.bigfilethreshold")) {
1217 big_file_threshold = git_config_ulong(var, value);
1221 if (!strcmp(var, "core.packedgitlimit")) {
1222 packed_git_limit = git_config_ulong(var, value);
1226 if (!strcmp(var, "core.deltabasecachelimit")) {
1227 delta_base_cache_limit = git_config_ulong(var, value);
1231 if (!strcmp(var, "core.autocrlf")) {
1232 if (value && !strcasecmp(value, "input")) {
1233 auto_crlf = AUTO_CRLF_INPUT;
1236 auto_crlf = git_config_bool(var, value);
1240 if (!strcmp(var, "core.safecrlf")) {
1242 if (value && !strcasecmp(value, "warn")) {
1243 global_conv_flags_eol = CONV_EOL_RNDTRP_WARN;
1246 eol_rndtrp_die = git_config_bool(var, value);
1247 global_conv_flags_eol = eol_rndtrp_die ?
1248 CONV_EOL_RNDTRP_DIE : 0;
1252 if (!strcmp(var, "core.eol")) {
1253 if (value && !strcasecmp(value, "lf"))
1255 else if (value && !strcasecmp(value, "crlf"))
1256 core_eol = EOL_CRLF;
1257 else if (value && !strcasecmp(value, "native"))
1258 core_eol = EOL_NATIVE;
1260 core_eol = EOL_UNSET;
1264 if (!strcmp(var, "core.checkroundtripencoding")) {
1265 check_roundtrip_encoding = xstrdup(value);
1269 if (!strcmp(var, "core.notesref")) {
1270 notes_ref_name = xstrdup(value);
1274 if (!strcmp(var, "core.editor"))
1275 return git_config_string(&editor_program, var, value);
1277 if (!strcmp(var, "core.commentchar")) {
1279 return config_error_nonbool(var);
1280 else if (!strcasecmp(value, "auto"))
1281 auto_comment_line_char = 1;
1282 else if (value[0] && !value[1]) {
1283 comment_line_char = value[0];
1284 auto_comment_line_char = 0;
1286 return error("core.commentChar should only be one character");
1290 if (!strcmp(var, "core.askpass"))
1291 return git_config_string(&askpass_program, var, value);
1293 if (!strcmp(var, "core.excludesfile"))
1294 return git_config_pathname(&excludes_file, var, value);
1296 if (!strcmp(var, "core.whitespace")) {
1298 return config_error_nonbool(var);
1299 whitespace_rule_cfg = parse_whitespace_rule(value);
1303 if (!strcmp(var, "core.fsyncobjectfiles")) {
1304 fsync_object_files = git_config_bool(var, value);
1308 if (!strcmp(var, "core.preloadindex")) {
1309 core_preload_index = git_config_bool(var, value);
1313 if (!strcmp(var, "core.createobject")) {
1314 if (!strcmp(value, "rename"))
1315 object_creation_mode = OBJECT_CREATION_USES_RENAMES;
1316 else if (!strcmp(value, "link"))
1317 object_creation_mode = OBJECT_CREATION_USES_HARDLINKS;
1319 die(_("invalid mode for object creation: %s"), value);
1323 if (!strcmp(var, "core.commitgraph")) {
1324 core_commit_graph = git_config_bool(var, value);
1328 if (!strcmp(var, "core.sparsecheckout")) {
1329 core_apply_sparse_checkout = git_config_bool(var, value);
1333 if (!strcmp(var, "core.precomposeunicode")) {
1334 precomposed_unicode = git_config_bool(var, value);
1338 if (!strcmp(var, "core.protecthfs")) {
1339 protect_hfs = git_config_bool(var, value);
1343 if (!strcmp(var, "core.protectntfs")) {
1344 protect_ntfs = git_config_bool(var, value);
1348 if (!strcmp(var, "core.hidedotfiles")) {
1349 if (value && !strcasecmp(value, "dotgitonly"))
1350 hide_dotfiles = HIDE_DOTFILES_DOTGITONLY;
1352 hide_dotfiles = git_config_bool(var, value);
1356 if (!strcmp(var, "core.partialclonefilter")) {
1357 return git_config_string(&core_partial_clone_filter_default,
1361 /* Add other config variables here and to Documentation/config.txt. */
1365 static int git_default_i18n_config(const char *var, const char *value)
1367 if (!strcmp(var, "i18n.commitencoding"))
1368 return git_config_string(&git_commit_encoding, var, value);
1370 if (!strcmp(var, "i18n.logoutputencoding"))
1371 return git_config_string(&git_log_output_encoding, var, value);
1373 /* Add other config variables here and to Documentation/config.txt. */
1377 static int git_default_branch_config(const char *var, const char *value)
1379 if (!strcmp(var, "branch.autosetupmerge")) {
1380 if (value && !strcasecmp(value, "always")) {
1381 git_branch_track = BRANCH_TRACK_ALWAYS;
1384 git_branch_track = git_config_bool(var, value);
1387 if (!strcmp(var, "branch.autosetuprebase")) {
1389 return config_error_nonbool(var);
1390 else if (!strcmp(value, "never"))
1391 autorebase = AUTOREBASE_NEVER;
1392 else if (!strcmp(value, "local"))
1393 autorebase = AUTOREBASE_LOCAL;
1394 else if (!strcmp(value, "remote"))
1395 autorebase = AUTOREBASE_REMOTE;
1396 else if (!strcmp(value, "always"))
1397 autorebase = AUTOREBASE_ALWAYS;
1399 return error("malformed value for %s", var);
1403 /* Add other config variables here and to Documentation/config.txt. */
1407 static int git_default_push_config(const char *var, const char *value)
1409 if (!strcmp(var, "push.default")) {
1411 return config_error_nonbool(var);
1412 else if (!strcmp(value, "nothing"))
1413 push_default = PUSH_DEFAULT_NOTHING;
1414 else if (!strcmp(value, "matching"))
1415 push_default = PUSH_DEFAULT_MATCHING;
1416 else if (!strcmp(value, "simple"))
1417 push_default = PUSH_DEFAULT_SIMPLE;
1418 else if (!strcmp(value, "upstream"))
1419 push_default = PUSH_DEFAULT_UPSTREAM;
1420 else if (!strcmp(value, "tracking")) /* deprecated */
1421 push_default = PUSH_DEFAULT_UPSTREAM;
1422 else if (!strcmp(value, "current"))
1423 push_default = PUSH_DEFAULT_CURRENT;
1425 error("malformed value for %s: %s", var, value);
1426 return error("Must be one of nothing, matching, simple, "
1427 "upstream or current.");
1432 /* Add other config variables here and to Documentation/config.txt. */
1436 static int git_default_mailmap_config(const char *var, const char *value)
1438 if (!strcmp(var, "mailmap.file"))
1439 return git_config_pathname(&git_mailmap_file, var, value);
1440 if (!strcmp(var, "mailmap.blob"))
1441 return git_config_string(&git_mailmap_blob, var, value);
1443 /* Add other config variables here and to Documentation/config.txt. */
1447 int git_default_config(const char *var, const char *value, void *dummy)
1449 if (starts_with(var, "core."))
1450 return git_default_core_config(var, value);
1452 if (starts_with(var, "user."))
1453 return git_ident_config(var, value, dummy);
1455 if (starts_with(var, "i18n."))
1456 return git_default_i18n_config(var, value);
1458 if (starts_with(var, "branch."))
1459 return git_default_branch_config(var, value);
1461 if (starts_with(var, "push."))
1462 return git_default_push_config(var, value);
1464 if (starts_with(var, "mailmap."))
1465 return git_default_mailmap_config(var, value);
1467 if (starts_with(var, "advice.") || starts_with(var, "color.advice"))
1468 return git_default_advice_config(var, value);
1470 if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
1471 pager_use_color = git_config_bool(var,value);
1475 if (!strcmp(var, "pack.packsizelimit")) {
1476 pack_size_limit_cfg = git_config_ulong(var, value);
1480 if (!strcmp(var, "pack.compression")) {
1481 int level = git_config_int(var, value);
1483 level = Z_DEFAULT_COMPRESSION;
1484 else if (level < 0 || level > Z_BEST_COMPRESSION)
1485 die(_("bad pack compression level %d"), level);
1486 pack_compression_level = level;
1487 pack_compression_seen = 1;
1491 /* Add other config variables here and to Documentation/config.txt. */
1496 * All source specific fields in the union, die_on_error, name and the callbacks
1497 * fgetc, ungetc, ftell of top need to be initialized before calling
1500 static int do_config_from(struct config_source *top, config_fn_t fn, void *data,
1501 const struct config_options *opts)
1505 /* push config-file parsing state stack */
1509 strbuf_init(&top->value, 1024);
1510 strbuf_init(&top->var, 1024);
1513 ret = git_parse_source(fn, data, opts);
1515 /* pop config-file parsing state stack */
1516 strbuf_release(&top->value);
1517 strbuf_release(&top->var);
1523 static int do_config_from_file(config_fn_t fn,
1524 const enum config_origin_type origin_type,
1525 const char *name, const char *path, FILE *f,
1526 void *data, const struct config_options *opts)
1528 struct config_source top;
1532 top.origin_type = origin_type;
1535 top.default_error_action = CONFIG_ERROR_DIE;
1536 top.do_fgetc = config_file_fgetc;
1537 top.do_ungetc = config_file_ungetc;
1538 top.do_ftell = config_file_ftell;
1541 ret = do_config_from(&top, fn, data, opts);
1546 static int git_config_from_stdin(config_fn_t fn, void *data)
1548 return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin,
1552 int git_config_from_file_with_options(config_fn_t fn, const char *filename,
1554 const struct config_options *opts)
1559 f = fopen_or_warn(filename, "r");
1561 ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename,
1562 filename, f, data, opts);
1568 int git_config_from_file(config_fn_t fn, const char *filename, void *data)
1570 return git_config_from_file_with_options(fn, filename, data, NULL);
1573 int git_config_from_mem(config_fn_t fn,
1574 const enum config_origin_type origin_type,
1575 const char *name, const char *buf, size_t len,
1576 void *data, const struct config_options *opts)
1578 struct config_source top;
1580 top.u.buf.buf = buf;
1581 top.u.buf.len = len;
1583 top.origin_type = origin_type;
1586 top.default_error_action = CONFIG_ERROR_ERROR;
1587 top.do_fgetc = config_buf_fgetc;
1588 top.do_ungetc = config_buf_ungetc;
1589 top.do_ftell = config_buf_ftell;
1591 return do_config_from(&top, fn, data, opts);
1594 int git_config_from_blob_oid(config_fn_t fn,
1596 const struct object_id *oid,
1599 enum object_type type;
1604 buf = read_object_file(oid, &type, &size);
1606 return error("unable to load config blob object '%s'", name);
1607 if (type != OBJ_BLOB) {
1609 return error("reference '%s' does not point to a blob", name);
1612 ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size,
1619 static int git_config_from_blob_ref(config_fn_t fn,
1623 struct object_id oid;
1625 if (get_oid(name, &oid) < 0)
1626 return error("unable to resolve config blob '%s'", name);
1627 return git_config_from_blob_oid(fn, name, &oid, data);
1630 const char *git_etc_gitconfig(void)
1632 static const char *system_wide;
1634 system_wide = system_path(ETC_GITCONFIG);
1639 * Parse environment variable 'k' as a boolean (in various
1640 * possible spellings); if missing, use the default value 'def'.
1642 int git_env_bool(const char *k, int def)
1644 const char *v = getenv(k);
1645 return v ? git_config_bool(k, v) : def;
1649 * Parse environment variable 'k' as ulong with possibly a unit
1650 * suffix; if missing, use the default value 'val'.
1652 unsigned long git_env_ulong(const char *k, unsigned long val)
1654 const char *v = getenv(k);
1655 if (v && !git_parse_ulong(v, &val))
1656 die("failed to parse %s", k);
1660 int git_config_system(void)
1662 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
1665 static int do_git_config_sequence(const struct config_options *opts,
1666 config_fn_t fn, void *data)
1669 char *xdg_config = xdg_config_home("config");
1670 char *user_config = expand_user_path("~/.gitconfig", 0);
1673 if (opts->commondir)
1674 repo_config = mkpathdup("%s/config", opts->commondir);
1678 current_parsing_scope = CONFIG_SCOPE_SYSTEM;
1679 if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0))
1680 ret += git_config_from_file(fn, git_etc_gitconfig(),
1683 current_parsing_scope = CONFIG_SCOPE_GLOBAL;
1684 if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK))
1685 ret += git_config_from_file(fn, xdg_config, data);
1687 if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK))
1688 ret += git_config_from_file(fn, user_config, data);
1690 current_parsing_scope = CONFIG_SCOPE_REPO;
1691 if (repo_config && !access_or_die(repo_config, R_OK, 0))
1692 ret += git_config_from_file(fn, repo_config, data);
1694 current_parsing_scope = CONFIG_SCOPE_CMDLINE;
1695 if (git_config_from_parameters(fn, data) < 0)
1696 die(_("unable to parse command-line config"));
1698 current_parsing_scope = CONFIG_SCOPE_UNKNOWN;
1705 int config_with_options(config_fn_t fn, void *data,
1706 struct git_config_source *config_source,
1707 const struct config_options *opts)
1709 struct config_include_data inc = CONFIG_INCLUDE_INIT;
1711 if (opts->respect_includes) {
1715 fn = git_config_include;
1720 * If we have a specific filename, use it. Otherwise, follow the
1721 * regular lookup sequence.
1723 if (config_source && config_source->use_stdin)
1724 return git_config_from_stdin(fn, data);
1725 else if (config_source && config_source->file)
1726 return git_config_from_file(fn, config_source->file, data);
1727 else if (config_source && config_source->blob)
1728 return git_config_from_blob_ref(fn, config_source->blob, data);
1730 return do_git_config_sequence(opts, fn, data);
1733 static void configset_iter(struct config_set *cs, config_fn_t fn, void *data)
1736 struct string_list *values;
1737 struct config_set_element *entry;
1738 struct configset_list *list = &cs->list;
1740 for (i = 0; i < list->nr; i++) {
1741 entry = list->items[i].e;
1742 value_index = list->items[i].value_index;
1743 values = &entry->value_list;
1745 current_config_kvi = values->items[value_index].util;
1747 if (fn(entry->key, values->items[value_index].string, data) < 0)
1748 git_die_config_linenr(entry->key,
1749 current_config_kvi->filename,
1750 current_config_kvi->linenr);
1752 current_config_kvi = NULL;
1756 void read_early_config(config_fn_t cb, void *data)
1758 struct config_options opts = {0};
1759 struct strbuf commondir = STRBUF_INIT;
1760 struct strbuf gitdir = STRBUF_INIT;
1762 opts.respect_includes = 1;
1764 if (have_git_dir()) {
1765 opts.commondir = get_git_common_dir();
1766 opts.git_dir = get_git_dir();
1768 * When setup_git_directory() was not yet asked to discover the
1769 * GIT_DIR, we ask discover_git_directory() to figure out whether there
1770 * is any repository config we should use (but unlike
1771 * setup_git_directory_gently(), no global state is changed, most
1772 * notably, the current working directory is still the same after the
1775 } else if (!discover_git_directory(&commondir, &gitdir)) {
1776 opts.commondir = commondir.buf;
1777 opts.git_dir = gitdir.buf;
1780 config_with_options(cb, data, NULL, &opts);
1782 strbuf_release(&commondir);
1783 strbuf_release(&gitdir);
1786 static struct config_set_element *configset_find_element(struct config_set *cs, const char *key)
1788 struct config_set_element k;
1789 struct config_set_element *found_entry;
1790 char *normalized_key;
1792 * `key` may come from the user, so normalize it before using it
1793 * for querying entries from the hashmap.
1795 if (git_config_parse_key(key, &normalized_key, NULL))
1798 hashmap_entry_init(&k, strhash(normalized_key));
1799 k.key = normalized_key;
1800 found_entry = hashmap_get(&cs->config_hash, &k, NULL);
1801 free(normalized_key);
1805 static int configset_add_value(struct config_set *cs, const char *key, const char *value)
1807 struct config_set_element *e;
1808 struct string_list_item *si;
1809 struct configset_list_item *l_item;
1810 struct key_value_info *kv_info = xmalloc(sizeof(*kv_info));
1812 e = configset_find_element(cs, key);
1814 * Since the keys are being fed by git_config*() callback mechanism, they
1815 * are already normalized. So simply add them without any further munging.
1818 e = xmalloc(sizeof(*e));
1819 hashmap_entry_init(e, strhash(key));
1820 e->key = xstrdup(key);
1821 string_list_init(&e->value_list, 1);
1822 hashmap_add(&cs->config_hash, e);
1824 si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value));
1826 ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc);
1827 l_item = &cs->list.items[cs->list.nr++];
1829 l_item->value_index = e->value_list.nr - 1;
1832 BUG("configset_add_value has no source");
1834 kv_info->filename = strintern(cf->name);
1835 kv_info->linenr = cf->linenr;
1836 kv_info->origin_type = cf->origin_type;
1838 /* for values read from `git_config_from_parameters()` */
1839 kv_info->filename = NULL;
1840 kv_info->linenr = -1;
1841 kv_info->origin_type = CONFIG_ORIGIN_CMDLINE;
1843 kv_info->scope = current_parsing_scope;
1849 static int config_set_element_cmp(const void *unused_cmp_data,
1851 const void *entry_or_key,
1852 const void *unused_keydata)
1854 const struct config_set_element *e1 = entry;
1855 const struct config_set_element *e2 = entry_or_key;
1857 return strcmp(e1->key, e2->key);
1860 void git_configset_init(struct config_set *cs)
1862 hashmap_init(&cs->config_hash, config_set_element_cmp, NULL, 0);
1863 cs->hash_initialized = 1;
1866 cs->list.items = NULL;
1869 void git_configset_clear(struct config_set *cs)
1871 struct config_set_element *entry;
1872 struct hashmap_iter iter;
1873 if (!cs->hash_initialized)
1876 hashmap_iter_init(&cs->config_hash, &iter);
1877 while ((entry = hashmap_iter_next(&iter))) {
1879 string_list_clear(&entry->value_list, 1);
1881 hashmap_free(&cs->config_hash, 1);
1882 cs->hash_initialized = 0;
1883 free(cs->list.items);
1886 cs->list.items = NULL;
1889 static int config_set_callback(const char *key, const char *value, void *cb)
1891 struct config_set *cs = cb;
1892 configset_add_value(cs, key, value);
1896 int git_configset_add_file(struct config_set *cs, const char *filename)
1898 return git_config_from_file(config_set_callback, filename, cs);
1901 int git_configset_get_value(struct config_set *cs, const char *key, const char **value)
1903 const struct string_list *values = NULL;
1905 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
1906 * queried key in the files of the configset, the value returned will be the last
1907 * value in the value list for that key.
1909 values = git_configset_get_value_multi(cs, key);
1913 assert(values->nr > 0);
1914 *value = values->items[values->nr - 1].string;
1918 const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key)
1920 struct config_set_element *e = configset_find_element(cs, key);
1921 return e ? &e->value_list : NULL;
1924 int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest)
1927 if (!git_configset_get_value(cs, key, &value))
1928 return git_config_string(dest, key, value);
1933 int git_configset_get_string(struct config_set *cs, const char *key, char **dest)
1935 return git_configset_get_string_const(cs, key, (const char **)dest);
1938 int git_configset_get_int(struct config_set *cs, const char *key, int *dest)
1941 if (!git_configset_get_value(cs, key, &value)) {
1942 *dest = git_config_int(key, value);
1948 int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest)
1951 if (!git_configset_get_value(cs, key, &value)) {
1952 *dest = git_config_ulong(key, value);
1958 int git_configset_get_bool(struct config_set *cs, const char *key, int *dest)
1961 if (!git_configset_get_value(cs, key, &value)) {
1962 *dest = git_config_bool(key, value);
1968 int git_configset_get_bool_or_int(struct config_set *cs, const char *key,
1969 int *is_bool, int *dest)
1972 if (!git_configset_get_value(cs, key, &value)) {
1973 *dest = git_config_bool_or_int(key, value, is_bool);
1979 int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest)
1982 if (!git_configset_get_value(cs, key, &value)) {
1983 *dest = git_parse_maybe_bool(value);
1991 int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest)
1994 if (!git_configset_get_value(cs, key, &value))
1995 return git_config_pathname(dest, key, value);
2000 /* Functions use to read configuration from a repository */
2001 static void repo_read_config(struct repository *repo)
2003 struct config_options opts;
2005 opts.respect_includes = 1;
2006 opts.commondir = repo->commondir;
2007 opts.git_dir = repo->gitdir;
2010 repo->config = xcalloc(1, sizeof(struct config_set));
2012 git_configset_clear(repo->config);
2014 git_configset_init(repo->config);
2016 if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0)
2018 * config_with_options() normally returns only
2019 * zero, as most errors are fatal, and
2020 * non-fatal potential errors are guarded by "if"
2021 * statements that are entered only when no error is
2024 * If we ever encounter a non-fatal error, it means
2025 * something went really wrong and we should stop
2028 die(_("unknown error occurred while reading the configuration files"));
2031 static void git_config_check_init(struct repository *repo)
2033 if (repo->config && repo->config->hash_initialized)
2035 repo_read_config(repo);
2038 static void repo_config_clear(struct repository *repo)
2040 if (!repo->config || !repo->config->hash_initialized)
2042 git_configset_clear(repo->config);
2045 void repo_config(struct repository *repo, config_fn_t fn, void *data)
2047 git_config_check_init(repo);
2048 configset_iter(repo->config, fn, data);
2051 int repo_config_get_value(struct repository *repo,
2052 const char *key, const char **value)
2054 git_config_check_init(repo);
2055 return git_configset_get_value(repo->config, key, value);
2058 const struct string_list *repo_config_get_value_multi(struct repository *repo,
2061 git_config_check_init(repo);
2062 return git_configset_get_value_multi(repo->config, key);
2065 int repo_config_get_string_const(struct repository *repo,
2066 const char *key, const char **dest)
2069 git_config_check_init(repo);
2070 ret = git_configset_get_string_const(repo->config, key, dest);
2072 git_die_config(key, NULL);
2076 int repo_config_get_string(struct repository *repo,
2077 const char *key, char **dest)
2079 git_config_check_init(repo);
2080 return repo_config_get_string_const(repo, key, (const char **)dest);
2083 int repo_config_get_int(struct repository *repo,
2084 const char *key, int *dest)
2086 git_config_check_init(repo);
2087 return git_configset_get_int(repo->config, key, dest);
2090 int repo_config_get_ulong(struct repository *repo,
2091 const char *key, unsigned long *dest)
2093 git_config_check_init(repo);
2094 return git_configset_get_ulong(repo->config, key, dest);
2097 int repo_config_get_bool(struct repository *repo,
2098 const char *key, int *dest)
2100 git_config_check_init(repo);
2101 return git_configset_get_bool(repo->config, key, dest);
2104 int repo_config_get_bool_or_int(struct repository *repo,
2105 const char *key, int *is_bool, int *dest)
2107 git_config_check_init(repo);
2108 return git_configset_get_bool_or_int(repo->config, key, is_bool, dest);
2111 int repo_config_get_maybe_bool(struct repository *repo,
2112 const char *key, int *dest)
2114 git_config_check_init(repo);
2115 return git_configset_get_maybe_bool(repo->config, key, dest);
2118 int repo_config_get_pathname(struct repository *repo,
2119 const char *key, const char **dest)
2122 git_config_check_init(repo);
2123 ret = git_configset_get_pathname(repo->config, key, dest);
2125 git_die_config(key, NULL);
2129 /* Functions used historically to read configuration from 'the_repository' */
2130 void git_config(config_fn_t fn, void *data)
2132 repo_config(the_repository, fn, data);
2135 void git_config_clear(void)
2137 repo_config_clear(the_repository);
2140 int git_config_get_value(const char *key, const char **value)
2142 return repo_config_get_value(the_repository, key, value);
2145 const struct string_list *git_config_get_value_multi(const char *key)
2147 return repo_config_get_value_multi(the_repository, key);
2150 int git_config_get_string_const(const char *key, const char **dest)
2152 return repo_config_get_string_const(the_repository, key, dest);
2155 int git_config_get_string(const char *key, char **dest)
2157 return repo_config_get_string(the_repository, key, dest);
2160 int git_config_get_int(const char *key, int *dest)
2162 return repo_config_get_int(the_repository, key, dest);
2165 int git_config_get_ulong(const char *key, unsigned long *dest)
2167 return repo_config_get_ulong(the_repository, key, dest);
2170 int git_config_get_bool(const char *key, int *dest)
2172 return repo_config_get_bool(the_repository, key, dest);
2175 int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest)
2177 return repo_config_get_bool_or_int(the_repository, key, is_bool, dest);
2180 int git_config_get_maybe_bool(const char *key, int *dest)
2182 return repo_config_get_maybe_bool(the_repository, key, dest);
2185 int git_config_get_pathname(const char *key, const char **dest)
2187 return repo_config_get_pathname(the_repository, key, dest);
2190 int git_config_get_expiry(const char *key, const char **output)
2192 int ret = git_config_get_string_const(key, output);
2195 if (strcmp(*output, "now")) {
2196 timestamp_t now = approxidate("now");
2197 if (approxidate(*output) >= now)
2198 git_die_config(key, _("Invalid %s: '%s'"), key, *output);
2203 int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now)
2205 char *expiry_string;
2209 if (git_config_get_string(key, &expiry_string))
2210 return 1; /* no such thing */
2212 if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) {
2213 const int scale = 86400;
2214 *expiry = now - days * scale;
2218 if (!parse_expiry_date(expiry_string, &when)) {
2222 return -1; /* thing exists but cannot be parsed */
2225 int git_config_get_untracked_cache(void)
2230 /* Hack for test programs like test-dump-untracked-cache */
2231 if (ignore_untracked_cache_config)
2234 if (!git_config_get_maybe_bool("core.untrackedcache", &val))
2237 if (!git_config_get_value("core.untrackedcache", &v)) {
2238 if (!strcasecmp(v, "keep"))
2241 error(_("unknown core.untrackedCache value '%s'; "
2242 "using 'keep' default value"), v);
2246 return -1; /* default value */
2249 int git_config_get_split_index(void)
2253 if (!git_config_get_maybe_bool("core.splitindex", &val))
2256 return -1; /* default value */
2259 int git_config_get_max_percent_split_change(void)
2263 if (!git_config_get_int("splitindex.maxpercentchange", &val)) {
2264 if (0 <= val && val <= 100)
2267 return error(_("splitIndex.maxPercentChange value '%d' "
2268 "should be between 0 and 100"), val);
2271 return -1; /* default value */
2274 int git_config_get_fsmonitor(void)
2276 if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor))
2277 core_fsmonitor = getenv("GIT_FSMONITOR_TEST");
2279 if (core_fsmonitor && !*core_fsmonitor)
2280 core_fsmonitor = NULL;
2289 void git_die_config_linenr(const char *key, const char *filename, int linenr)
2292 die(_("unable to parse '%s' from command-line config"), key);
2294 die(_("bad config variable '%s' in file '%s' at line %d"),
2295 key, filename, linenr);
2298 NORETURN __attribute__((format(printf, 2, 3)))
2299 void git_die_config(const char *key, const char *err, ...)
2301 const struct string_list *values;
2302 struct key_value_info *kv_info;
2306 va_start(params, err);
2307 vreportf("error: ", err, params);
2310 values = git_config_get_value_multi(key);
2311 kv_info = values->items[values->nr - 1].util;
2312 git_die_config_linenr(key, kv_info->filename, kv_info->linenr);
2316 * Find all the stuff for git_config_set() below.
2319 struct config_store_data {
2323 regex_t *value_regex;
2327 enum config_event_t type;
2328 int is_keys_section;
2330 unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc;
2331 unsigned int key_seen:1, section_seen:1, is_keys_section:1;
2334 static void config_store_data_clear(struct config_store_data *store)
2337 if (store->value_regex != NULL &&
2338 store->value_regex != CONFIG_REGEX_NONE) {
2339 regfree(store->value_regex);
2340 free(store->value_regex);
2342 free(store->parsed);
2344 memset(store, 0, sizeof(*store));
2347 static int matches(const char *key, const char *value,
2348 const struct config_store_data *store)
2350 if (strcmp(key, store->key))
2351 return 0; /* not ours */
2352 if (!store->value_regex)
2353 return 1; /* always matches */
2354 if (store->value_regex == CONFIG_REGEX_NONE)
2355 return 0; /* never matches */
2357 return store->do_not_match ^
2358 (value && !regexec(store->value_regex, value, 0, NULL, 0));
2361 static int store_aux_event(enum config_event_t type,
2362 size_t begin, size_t end, void *data)
2364 struct config_store_data *store = data;
2366 ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc);
2367 store->parsed[store->parsed_nr].begin = begin;
2368 store->parsed[store->parsed_nr].end = end;
2369 store->parsed[store->parsed_nr].type = type;
2371 if (type == CONFIG_EVENT_SECTION) {
2372 if (cf->var.len < 2 || cf->var.buf[cf->var.len - 1] != '.')
2373 return error("invalid section name '%s'", cf->var.buf);
2375 /* Is this the section we were looking for? */
2376 store->is_keys_section =
2377 store->parsed[store->parsed_nr].is_keys_section =
2378 cf->var.len - 1 == store->baselen &&
2379 !strncasecmp(cf->var.buf, store->key, store->baselen);
2380 if (store->is_keys_section) {
2381 store->section_seen = 1;
2382 ALLOC_GROW(store->seen, store->seen_nr + 1,
2384 store->seen[store->seen_nr] = store->parsed_nr;
2393 static int store_aux(const char *key, const char *value, void *cb)
2395 struct config_store_data *store = cb;
2397 if (store->key_seen) {
2398 if (matches(key, value, store)) {
2399 if (store->seen_nr == 1 && store->multi_replace == 0) {
2400 warning(_("%s has multiple values"), key);
2403 ALLOC_GROW(store->seen, store->seen_nr + 1,
2406 store->seen[store->seen_nr] = store->parsed_nr;
2409 } else if (store->is_keys_section) {
2411 * Do not increment matches yet: this may not be a match, but we
2412 * are in the desired section.
2414 ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc);
2415 store->seen[store->seen_nr] = store->parsed_nr;
2416 store->section_seen = 1;
2418 if (matches(key, value, store)) {
2420 store->key_seen = 1;
2427 static int write_error(const char *filename)
2429 error("failed to write new configuration file %s", filename);
2431 /* Same error code as "failed to rename". */
2435 static struct strbuf store_create_section(const char *key,
2436 const struct config_store_data *store)
2440 struct strbuf sb = STRBUF_INIT;
2442 dot = memchr(key, '.', store->baselen);
2444 strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key);
2445 for (i = dot - key + 1; i < store->baselen; i++) {
2446 if (key[i] == '"' || key[i] == '\\')
2447 strbuf_addch(&sb, '\\');
2448 strbuf_addch(&sb, key[i]);
2450 strbuf_addstr(&sb, "\"]\n");
2452 strbuf_addf(&sb, "[%.*s]\n", store->baselen, key);
2458 static ssize_t write_section(int fd, const char *key,
2459 const struct config_store_data *store)
2461 struct strbuf sb = store_create_section(key, store);
2464 ret = write_in_full(fd, sb.buf, sb.len);
2465 strbuf_release(&sb);
2470 static ssize_t write_pair(int fd, const char *key, const char *value,
2471 const struct config_store_data *store)
2475 int length = strlen(key + store->baselen + 1);
2476 const char *quote = "";
2477 struct strbuf sb = STRBUF_INIT;
2480 * Check to see if the value needs to be surrounded with a dq pair.
2481 * Note that problematic characters are always backslash-quoted; this
2482 * check is about not losing leading or trailing SP and strings that
2483 * follow beginning-of-comment characters (i.e. ';' and '#') by the
2484 * configuration parser.
2486 if (value[0] == ' ')
2488 for (i = 0; value[i]; i++)
2489 if (value[i] == ';' || value[i] == '#')
2491 if (i && value[i - 1] == ' ')
2494 strbuf_addf(&sb, "\t%.*s = %s",
2495 length, key + store->baselen + 1, quote);
2497 for (i = 0; value[i]; i++)
2500 strbuf_addstr(&sb, "\\n");
2503 strbuf_addstr(&sb, "\\t");
2507 strbuf_addch(&sb, '\\');
2510 strbuf_addch(&sb, value[i]);
2513 strbuf_addf(&sb, "%s\n", quote);
2515 ret = write_in_full(fd, sb.buf, sb.len);
2516 strbuf_release(&sb);
2522 * If we are about to unset the last key(s) in a section, and if there are
2523 * no comments surrounding (or included in) the section, we will want to
2524 * extend begin/end to remove the entire section.
2526 * Note: the parameter `seen_ptr` points to the index into the store.seen
2527 * array. * This index may be incremented if a section has more than one
2528 * entry (which all are to be removed).
2530 static void maybe_remove_section(struct config_store_data *store,
2531 const char *contents,
2532 size_t *begin_offset, size_t *end_offset,
2536 int i, seen, section_seen = 0;
2539 * First, ensure that this is the first key, and that there are no
2540 * comments before the entry nor before the section header.
2543 for (i = store->seen[seen]; i > 0; i--) {
2544 enum config_event_t type = store->parsed[i - 1].type;
2546 if (type == CONFIG_EVENT_COMMENT)
2547 /* There is a comment before this entry or section */
2549 if (type == CONFIG_EVENT_ENTRY) {
2551 /* This is not the section's first entry. */
2553 /* We encountered no comment before the section. */
2556 if (type == CONFIG_EVENT_SECTION) {
2557 if (!store->parsed[i - 1].is_keys_section)
2562 begin = store->parsed[i].begin;
2565 * Next, make sure that we are removing he last key(s) in the section,
2566 * and that there are no comments that are possibly about the current
2569 for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) {
2570 enum config_event_t type = store->parsed[i].type;
2572 if (type == CONFIG_EVENT_COMMENT)
2574 if (type == CONFIG_EVENT_SECTION) {
2575 if (store->parsed[i].is_keys_section)
2579 if (type == CONFIG_EVENT_ENTRY) {
2580 if (++seen < store->seen_nr &&
2581 i == store->seen[seen])
2582 /* We want to remove this entry, too */
2584 /* There is another entry in this section. */
2590 * We are really removing the last entry/entries from this section, and
2591 * there are no enclosed or surrounding comments. Remove the entire,
2592 * now-empty section.
2595 *begin_offset = begin;
2596 if (i < store->parsed_nr)
2597 *end_offset = store->parsed[i].begin;
2599 *end_offset = store->parsed[store->parsed_nr - 1].end;
2602 int git_config_set_in_file_gently(const char *config_filename,
2603 const char *key, const char *value)
2605 return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0);
2608 void git_config_set_in_file(const char *config_filename,
2609 const char *key, const char *value)
2611 git_config_set_multivar_in_file(config_filename, key, value, NULL, 0);
2614 int git_config_set_gently(const char *key, const char *value)
2616 return git_config_set_multivar_gently(key, value, NULL, 0);
2619 void git_config_set(const char *key, const char *value)
2621 git_config_set_multivar(key, value, NULL, 0);
2625 * If value==NULL, unset in (remove from) config,
2626 * if value_regex!=NULL, disregard key/value pairs where value does not match.
2627 * if value_regex==CONFIG_REGEX_NONE, do not match any existing values
2628 * (only add a new one)
2629 * if multi_replace==0, nothing, or only one matching key/value is replaced,
2630 * else all matching key/values (regardless how many) are removed,
2631 * before the new pair is written.
2633 * Returns 0 on success.
2635 * This function does this:
2637 * - it locks the config file by creating ".git/config.lock"
2639 * - it then parses the config using store_aux() as validator to find
2640 * the position on the key/value pair to replace. If it is to be unset,
2641 * it must be found exactly once.
2643 * - the config file is mmap()ed and the part before the match (if any) is
2644 * written to the lock file, then the changed part and the rest.
2646 * - the config file is removed and the lock file rename()d to it.
2649 int git_config_set_multivar_in_file_gently(const char *config_filename,
2650 const char *key, const char *value,
2651 const char *value_regex,
2654 int fd = -1, in_fd = -1;
2656 struct lock_file lock = LOCK_INIT;
2657 char *filename_buf = NULL;
2658 char *contents = NULL;
2660 struct config_store_data store;
2662 memset(&store, 0, sizeof(store));
2664 /* parse-key returns negative; flip the sign to feed exit(3) */
2665 ret = 0 - git_config_parse_key(key, &store.key, &store.baselen);
2669 store.multi_replace = multi_replace;
2671 if (!config_filename)
2672 config_filename = filename_buf = git_pathdup("config");
2675 * The lock serves a purpose in addition to locking: the new
2676 * contents of .git/config will be written into it.
2678 fd = hold_lock_file_for_update(&lock, config_filename, 0);
2680 error_errno("could not lock config file %s", config_filename);
2681 ret = CONFIG_NO_LOCK;
2686 * If .git/config does not exist yet, write a minimal version.
2688 in_fd = open(config_filename, O_RDONLY);
2690 if ( ENOENT != errno ) {
2691 error_errno("opening %s", config_filename);
2692 ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */
2695 /* if nothing to unset, error out */
2696 if (value == NULL) {
2697 ret = CONFIG_NOTHING_SET;
2702 store.key = xstrdup(key);
2703 if (write_section(fd, key, &store) < 0 ||
2704 write_pair(fd, key, value, &store) < 0)
2708 size_t copy_begin, copy_end;
2709 int i, new_line = 0;
2710 struct config_options opts;
2712 if (value_regex == NULL)
2713 store.value_regex = NULL;
2714 else if (value_regex == CONFIG_REGEX_NONE)
2715 store.value_regex = CONFIG_REGEX_NONE;
2717 if (value_regex[0] == '!') {
2718 store.do_not_match = 1;
2721 store.do_not_match = 0;
2723 store.value_regex = (regex_t*)xmalloc(sizeof(regex_t));
2724 if (regcomp(store.value_regex, value_regex,
2726 error("invalid pattern: %s", value_regex);
2727 FREE_AND_NULL(store.value_regex);
2728 ret = CONFIG_INVALID_PATTERN;
2733 ALLOC_GROW(store.parsed, 1, store.parsed_alloc);
2734 store.parsed[0].end = 0;
2736 memset(&opts, 0, sizeof(opts));
2737 opts.event_fn = store_aux_event;
2738 opts.event_fn_data = &store;
2741 * After this, store.parsed will contain offsets of all the
2742 * parsed elements, and store.seen will contain a list of
2743 * matches, as indices into store.parsed.
2745 * As a side effect, we make sure to transform only a valid
2746 * existing config file.
2748 if (git_config_from_file_with_options(store_aux,
2751 error("invalid config file %s", config_filename);
2752 ret = CONFIG_INVALID_FILE;
2756 /* if nothing to unset, or too many matches, error out */
2757 if ((store.seen_nr == 0 && value == NULL) ||
2758 (store.seen_nr > 1 && multi_replace == 0)) {
2759 ret = CONFIG_NOTHING_SET;
2763 if (fstat(in_fd, &st) == -1) {
2764 error_errno(_("fstat on %s failed"), config_filename);
2765 ret = CONFIG_INVALID_FILE;
2769 contents_sz = xsize_t(st.st_size);
2770 contents = xmmap_gently(NULL, contents_sz, PROT_READ,
2771 MAP_PRIVATE, in_fd, 0);
2772 if (contents == MAP_FAILED) {
2773 if (errno == ENODEV && S_ISDIR(st.st_mode))
2775 error_errno("unable to mmap '%s'", config_filename);
2776 ret = CONFIG_INVALID_FILE;
2783 if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
2784 error_errno("chmod on %s failed", get_lock_file_path(&lock));
2785 ret = CONFIG_NO_WRITE;
2789 if (store.seen_nr == 0) {
2790 if (!store.seen_alloc) {
2791 /* Did not see key nor section */
2792 ALLOC_GROW(store.seen, 1, store.seen_alloc);
2793 store.seen[0] = store.parsed_nr
2794 - !!store.parsed_nr;
2799 for (i = 0, copy_begin = 0; i < store.seen_nr; i++) {
2801 int j = store.seen[i];
2804 if (!store.key_seen) {
2805 copy_end = store.parsed[j].end;
2806 /* include '\n' when copying section header */
2807 if (copy_end > 0 && copy_end < contents_sz &&
2808 contents[copy_end - 1] != '\n' &&
2809 contents[copy_end] == '\n')
2811 replace_end = copy_end;
2813 replace_end = store.parsed[j].end;
2814 copy_end = store.parsed[j].begin;
2816 maybe_remove_section(&store, contents,
2820 * Swallow preceding white-space on the same
2823 while (copy_end > 0 ) {
2824 char c = contents[copy_end - 1];
2826 if (isspace(c) && c != '\n')
2833 if (copy_end > 0 && contents[copy_end-1] != '\n')
2836 /* write the first part of the config */
2837 if (copy_end > copy_begin) {
2838 if (write_in_full(fd, contents + copy_begin,
2839 copy_end - copy_begin) < 0)
2842 write_str_in_full(fd, "\n") < 0)
2845 copy_begin = replace_end;
2848 /* write the pair (value == NULL means unset) */
2849 if (value != NULL) {
2850 if (!store.section_seen) {
2851 if (write_section(fd, key, &store) < 0)
2854 if (write_pair(fd, key, value, &store) < 0)
2858 /* write the rest of the config */
2859 if (copy_begin < contents_sz)
2860 if (write_in_full(fd, contents + copy_begin,
2861 contents_sz - copy_begin) < 0)
2864 munmap(contents, contents_sz);
2868 if (commit_lock_file(&lock) < 0) {
2869 error_errno("could not write config file %s", config_filename);
2870 ret = CONFIG_NO_WRITE;
2876 /* Invalidate the config cache */
2880 rollback_lock_file(&lock);
2883 munmap(contents, contents_sz);
2886 config_store_data_clear(&store);
2890 ret = write_error(get_lock_file_path(&lock));
2895 void git_config_set_multivar_in_file(const char *config_filename,
2896 const char *key, const char *value,
2897 const char *value_regex, int multi_replace)
2899 if (!git_config_set_multivar_in_file_gently(config_filename, key, value,
2900 value_regex, multi_replace))
2903 die(_("could not set '%s' to '%s'"), key, value);
2905 die(_("could not unset '%s'"), key);
2908 int git_config_set_multivar_gently(const char *key, const char *value,
2909 const char *value_regex, int multi_replace)
2911 return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex,
2915 void git_config_set_multivar(const char *key, const char *value,
2916 const char *value_regex, int multi_replace)
2918 git_config_set_multivar_in_file(NULL, key, value, value_regex,
2922 static int section_name_match (const char *buf, const char *name)
2924 int i = 0, j = 0, dot = 0;
2927 for (i = 1; buf[i] && buf[i] != ']'; i++) {
2928 if (!dot && isspace(buf[i])) {
2930 if (name[j++] != '.')
2932 for (i++; isspace(buf[i]); i++)
2938 if (buf[i] == '\\' && dot)
2940 else if (buf[i] == '"' && dot) {
2941 for (i++; isspace(buf[i]); i++)
2945 if (buf[i] != name[j++])
2948 if (buf[i] == ']' && name[j] == 0) {
2950 * We match, now just find the right length offset by
2951 * gobbling up any whitespace after it, as well
2954 for (; buf[i] && isspace(buf[i]); i++)
2961 static int section_name_is_ok(const char *name)
2963 /* Empty section names are bogus. */
2968 * Before a dot, we must be alphanumeric or dash. After the first dot,
2969 * anything goes, so we can stop checking.
2971 for (; *name && *name != '.'; name++)
2972 if (*name != '-' && !isalnum(*name))
2977 /* if new_name == NULL, the section is removed instead */
2978 static int git_config_copy_or_rename_section_in_file(const char *config_filename,
2979 const char *old_name,
2980 const char *new_name, int copy)
2982 int ret = 0, remove = 0;
2983 char *filename_buf = NULL;
2984 struct lock_file lock = LOCK_INIT;
2987 FILE *config_file = NULL;
2989 struct strbuf copystr = STRBUF_INIT;
2990 struct config_store_data store;
2992 memset(&store, 0, sizeof(store));
2994 if (new_name && !section_name_is_ok(new_name)) {
2995 ret = error("invalid section name: %s", new_name);
2996 goto out_no_rollback;
2999 if (!config_filename)
3000 config_filename = filename_buf = git_pathdup("config");
3002 out_fd = hold_lock_file_for_update(&lock, config_filename, 0);
3004 ret = error("could not lock config file %s", config_filename);
3008 if (!(config_file = fopen(config_filename, "rb"))) {
3009 ret = warn_on_fopen_errors(config_filename);
3012 /* no config file means nothing to rename, no error */
3013 goto commit_and_out;
3016 if (fstat(fileno(config_file), &st) == -1) {
3017 ret = error_errno(_("fstat on %s failed"), config_filename);
3021 if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
3022 ret = error_errno("chmod on %s failed",
3023 get_lock_file_path(&lock));
3027 while (fgets(buf, sizeof(buf), config_file)) {
3032 for (i = 0; buf[i] && isspace(buf[i]); i++)
3034 if (buf[i] == '[') {
3035 /* it's a section */
3040 * When encountering a new section under -c we
3041 * need to flush out any section we're already
3042 * coping and begin anew. There might be
3043 * multiple [branch "$name"] sections.
3045 if (copystr.len > 0) {
3046 if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
3047 ret = write_error(get_lock_file_path(&lock));
3050 strbuf_reset(©str);
3053 offset = section_name_match(&buf[i], old_name);
3056 if (new_name == NULL) {
3060 store.baselen = strlen(new_name);
3062 if (write_section(out_fd, new_name, &store) < 0) {
3063 ret = write_error(get_lock_file_path(&lock));
3067 * We wrote out the new section, with
3068 * a newline, now skip the old
3071 output += offset + i;
3072 if (strlen(output) > 0) {
3074 * More content means there's
3075 * a declaration to put on the
3076 * next line; indent with a
3083 copystr = store_create_section(new_name, &store);
3090 length = strlen(output);
3092 if (!is_section && copystr.len > 0) {
3093 strbuf_add(©str, output, length);
3096 if (write_in_full(out_fd, output, length) < 0) {
3097 ret = write_error(get_lock_file_path(&lock));
3103 * Copy a trailing section at the end of the config, won't be
3104 * flushed by the usual "flush because we have a new section
3105 * logic in the loop above.
3107 if (copystr.len > 0) {
3108 if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
3109 ret = write_error(get_lock_file_path(&lock));
3112 strbuf_reset(©str);
3115 fclose(config_file);
3118 if (commit_lock_file(&lock) < 0)
3119 ret = error_errno("could not write config file %s",
3123 fclose(config_file);
3124 rollback_lock_file(&lock);
3127 config_store_data_clear(&store);
3131 int git_config_rename_section_in_file(const char *config_filename,
3132 const char *old_name, const char *new_name)
3134 return git_config_copy_or_rename_section_in_file(config_filename,
3135 old_name, new_name, 0);
3138 int git_config_rename_section(const char *old_name, const char *new_name)
3140 return git_config_rename_section_in_file(NULL, old_name, new_name);
3143 int git_config_copy_section_in_file(const char *config_filename,
3144 const char *old_name, const char *new_name)
3146 return git_config_copy_or_rename_section_in_file(config_filename,
3147 old_name, new_name, 1);
3150 int git_config_copy_section(const char *old_name, const char *new_name)
3152 return git_config_copy_section_in_file(NULL, old_name, new_name);
3156 * Call this to report error for your variable that should not
3157 * get a boolean value (i.e. "[my] var" means "true").
3159 #undef config_error_nonbool
3160 int config_error_nonbool(const char *var)
3162 return error("missing value for '%s'", var);
3165 int parse_config_key(const char *var,
3166 const char *section,
3167 const char **subsection, int *subsection_len,
3172 /* Does it start with "section." ? */
3173 if (!skip_prefix(var, section, &var) || *var != '.')
3177 * Find the key; we don't know yet if we have a subsection, but we must
3178 * parse backwards from the end, since the subsection may have dots in
3181 dot = strrchr(var, '.');
3184 /* Did we have a subsection at all? */
3188 *subsection_len = 0;
3194 *subsection = var + 1;
3195 *subsection_len = dot - *subsection;
3201 const char *current_config_origin_type(void)
3204 if (current_config_kvi)
3205 type = current_config_kvi->origin_type;
3207 type = cf->origin_type;
3209 BUG("current_config_origin_type called outside config callback");
3212 case CONFIG_ORIGIN_BLOB:
3214 case CONFIG_ORIGIN_FILE:
3216 case CONFIG_ORIGIN_STDIN:
3217 return "standard input";
3218 case CONFIG_ORIGIN_SUBMODULE_BLOB:
3219 return "submodule-blob";
3220 case CONFIG_ORIGIN_CMDLINE:
3221 return "command line";
3223 BUG("unknown config origin type");
3227 const char *current_config_name(void)
3230 if (current_config_kvi)
3231 name = current_config_kvi->filename;
3235 BUG("current_config_name called outside config callback");
3236 return name ? name : "";
3239 enum config_scope current_config_scope(void)
3241 if (current_config_kvi)
3242 return current_config_kvi->scope;
3244 return current_parsing_scope;
3247 int lookup_config(const char **mapping, int nr_mapping, const char *var)
3251 for (i = 0; i < nr_mapping; i++) {
3252 const char *name = mapping[i];
3254 if (name && !strcasecmp(var, name))