2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
5 * Copyright (C) Johannes Schindelin, 2005
11 #include "repository.h"
17 #include "string-list.h"
18 #include "object-store.h"
23 struct config_source {
24 struct config_source *prev;
33 enum config_origin_type origin_type;
36 enum config_error_action default_error_action;
41 unsigned subsection_case_sensitive : 1;
43 int (*do_fgetc)(struct config_source *c);
44 int (*do_ungetc)(int c, struct config_source *conf);
45 long (*do_ftell)(struct config_source *c);
49 * These variables record the "current" config source, which
50 * can be accessed by parsing callbacks.
52 * The "cf" variable will be non-NULL only when we are actually parsing a real
53 * config source (file, blob, cmdline, etc).
55 * The "current_config_kvi" variable will be non-NULL only when we are feeding
56 * cached config from a configset into a callback.
58 * They should generally never be non-NULL at the same time. If they are both
59 * NULL, then we aren't parsing anything (and depending on the function looking
60 * at the variables, it's either a bug for it to be called in the first place,
61 * or it's a function which can be reused for non-config purposes, and should
62 * fall back to some sane behavior).
64 static struct config_source *cf;
65 static struct key_value_info *current_config_kvi;
68 * Similar to the variables above, this gives access to the "scope" of the
69 * current value (repo, global, etc). For cached values, it can be found via
70 * the current_config_kvi as above. During parsing, the current value can be
71 * found in this variable. It's not part of "cf" because it transcends a single
72 * file (i.e., a file included from .git/config is still in "repo" scope).
74 static enum config_scope current_parsing_scope;
76 static int core_compression_seen;
77 static int pack_compression_seen;
78 static int zlib_compression_seen;
80 static int config_file_fgetc(struct config_source *conf)
82 return getc_unlocked(conf->u.file);
85 static int config_file_ungetc(int c, struct config_source *conf)
87 return ungetc(c, conf->u.file);
90 static long config_file_ftell(struct config_source *conf)
92 return ftell(conf->u.file);
96 static int config_buf_fgetc(struct config_source *conf)
98 if (conf->u.buf.pos < conf->u.buf.len)
99 return conf->u.buf.buf[conf->u.buf.pos++];
104 static int config_buf_ungetc(int c, struct config_source *conf)
106 if (conf->u.buf.pos > 0) {
108 if (conf->u.buf.buf[conf->u.buf.pos] != c)
109 BUG("config_buf can only ungetc the same character");
116 static long config_buf_ftell(struct config_source *conf)
118 return conf->u.buf.pos;
121 #define MAX_INCLUDE_DEPTH 10
122 static const char include_depth_advice[] = N_(
123 "exceeded maximum include depth (%d) while including\n"
127 "This might be due to circular includes.");
128 static int handle_path_include(const char *path, struct config_include_data *inc)
131 struct strbuf buf = STRBUF_INIT;
135 return config_error_nonbool("include.path");
137 expanded = expand_user_path(path, 0);
139 return error(_("could not expand include path '%s'"), path);
143 * Use an absolute path as-is, but interpret relative paths
144 * based on the including config file.
146 if (!is_absolute_path(path)) {
149 if (!cf || !cf->path)
150 return error(_("relative config includes must come from files"));
152 slash = find_last_dir_sep(cf->path);
154 strbuf_add(&buf, cf->path, slash - cf->path + 1);
155 strbuf_addstr(&buf, path);
159 if (!access_or_die(path, R_OK, 0)) {
160 if (++inc->depth > MAX_INCLUDE_DEPTH)
161 die(_(include_depth_advice), MAX_INCLUDE_DEPTH, path,
163 cf->name ? cf->name :
165 ret = git_config_from_file(git_config_include, path, inc);
168 strbuf_release(&buf);
173 static int prepare_include_condition_pattern(struct strbuf *pat)
175 struct strbuf path = STRBUF_INIT;
179 expanded = expand_user_path(pat->buf, 1);
182 strbuf_addstr(pat, expanded);
186 if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) {
189 if (!cf || !cf->path)
190 return error(_("relative config include "
191 "conditionals must come from files"));
193 strbuf_realpath(&path, cf->path, 1);
194 slash = find_last_dir_sep(path.buf);
196 BUG("how is this possible?");
197 strbuf_splice(pat, 0, 1, path.buf, slash - path.buf);
198 prefix = slash - path.buf + 1 /* slash */;
199 } else if (!is_absolute_path(pat->buf))
200 strbuf_insert(pat, 0, "**/", 3);
202 if (pat->len && is_dir_sep(pat->buf[pat->len - 1]))
203 strbuf_addstr(pat, "**");
205 strbuf_release(&path);
209 static int include_by_gitdir(const struct config_options *opts,
210 const char *cond, size_t cond_len, int icase)
212 struct strbuf text = STRBUF_INIT;
213 struct strbuf pattern = STRBUF_INIT;
216 int already_tried_absolute = 0;
219 git_dir = opts->git_dir;
223 strbuf_realpath(&text, git_dir, 1);
224 strbuf_add(&pattern, cond, cond_len);
225 prefix = prepare_include_condition_pattern(&pattern);
233 * perform literal matching on the prefix part so that
234 * any wildcard character in it can't create side effects.
236 if (text.len < prefix)
238 if (!icase && strncmp(pattern.buf, text.buf, prefix))
240 if (icase && strncasecmp(pattern.buf, text.buf, prefix))
244 ret = !wildmatch(pattern.buf + prefix, text.buf + prefix,
245 icase ? WM_CASEFOLD : 0);
247 if (!ret && !already_tried_absolute) {
249 * We've tried e.g. matching gitdir:~/work, but if
250 * ~/work is a symlink to /mnt/storage/work
251 * strbuf_realpath() will expand it, so the rule won't
252 * match. Let's match against a
253 * strbuf_add_absolute_path() version of the path,
254 * which'll do the right thing
257 strbuf_add_absolute_path(&text, git_dir);
258 already_tried_absolute = 1;
262 strbuf_release(&pattern);
263 strbuf_release(&text);
267 static int include_condition_is_true(const struct config_options *opts,
268 const char *cond, size_t cond_len)
271 if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len))
272 return include_by_gitdir(opts, cond, cond_len, 0);
273 else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len))
274 return include_by_gitdir(opts, cond, cond_len, 1);
276 /* unknown conditionals are always false */
280 int git_config_include(const char *var, const char *value, void *data)
282 struct config_include_data *inc = data;
283 const char *cond, *key;
288 * Pass along all values, including "include" directives; this makes it
289 * possible to query information on the includes themselves.
291 ret = inc->fn(var, value, inc->data);
295 if (!strcmp(var, "include.path"))
296 ret = handle_path_include(value, inc);
298 if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) &&
299 (cond && include_condition_is_true(inc->opts, cond, cond_len)) &&
300 !strcmp(key, "path"))
301 ret = handle_path_include(value, inc);
306 void git_config_push_parameter(const char *text)
308 struct strbuf env = STRBUF_INIT;
309 const char *old = getenv(CONFIG_DATA_ENVIRONMENT);
311 strbuf_addstr(&env, old);
312 strbuf_addch(&env, ' ');
314 sq_quote_buf(&env, text);
315 setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1);
316 strbuf_release(&env);
319 static inline int iskeychar(int c)
321 return isalnum(c) || c == '-';
325 * Auxiliary function to sanity-check and split the key into the section
326 * identifier and variable name.
328 * Returns 0 on success, -1 when there is an invalid character in the key and
329 * -2 if there is no section name in the key.
331 * store_key - pointer to char* which will hold a copy of the key with
332 * lowercase section and variable name
333 * baselen - pointer to int which will hold the length of the
334 * section + subsection part, can be NULL
336 static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet)
339 const char *last_dot = strrchr(key, '.');
342 * Since "key" actually contains the section name and the real
343 * key name separated by a dot, we have to know where the dot is.
346 if (last_dot == NULL || last_dot == key) {
348 error(_("key does not contain a section: %s"), key);
349 return -CONFIG_NO_SECTION_OR_NAME;
354 error(_("key does not contain variable name: %s"), key);
355 return -CONFIG_NO_SECTION_OR_NAME;
358 baselen = last_dot - key;
363 * Validate the key and while at it, lower case it for matching.
366 *store_key = xmallocz(strlen(key));
369 for (i = 0; key[i]; i++) {
370 unsigned char c = key[i];
373 /* Leave the extended basename untouched.. */
374 if (!dot || i > baselen) {
376 (i == baselen + 1 && !isalpha(c))) {
378 error(_("invalid key: %s"), key);
382 } else if (c == '\n') {
384 error(_("invalid key (newline): %s"), key);
395 FREE_AND_NULL(*store_key);
397 return -CONFIG_INVALID_KEY;
400 int git_config_parse_key(const char *key, char **store_key, int *baselen)
402 return git_config_parse_key_1(key, store_key, baselen, 0);
405 int git_config_key_is_valid(const char *key)
407 return !git_config_parse_key_1(key, NULL, NULL, 1);
410 int git_config_parse_parameter(const char *text,
411 config_fn_t fn, void *data)
414 char *canonical_name;
415 struct strbuf **pair;
418 pair = strbuf_split_str(text, '=', 2);
420 return error(_("bogus config parameter: %s"), text);
422 if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') {
423 strbuf_setlen(pair[0], pair[0]->len - 1);
424 value = pair[1] ? pair[1]->buf : "";
429 strbuf_trim(pair[0]);
431 strbuf_list_free(pair);
432 return error(_("bogus config parameter: %s"), text);
435 if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) {
438 ret = (fn(canonical_name, value, data) < 0) ? -1 : 0;
439 free(canonical_name);
441 strbuf_list_free(pair);
445 int git_config_from_parameters(config_fn_t fn, void *data)
447 const char *env = getenv(CONFIG_DATA_ENVIRONMENT);
450 const char **argv = NULL;
451 int nr = 0, alloc = 0;
453 struct config_source source;
458 memset(&source, 0, sizeof(source));
460 source.origin_type = CONFIG_ORIGIN_CMDLINE;
463 /* sq_dequote will write over it */
466 if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) {
467 ret = error(_("bogus format in %s"), CONFIG_DATA_ENVIRONMENT);
471 for (i = 0; i < nr; i++) {
472 if (git_config_parse_parameter(argv[i], fn, data) < 0) {
485 static int get_next_char(void)
487 int c = cf->do_fgetc(cf);
490 /* DOS like systems */
491 c = cf->do_fgetc(cf);
494 cf->do_ungetc(c, cf);
508 static char *parse_value(void)
510 int quote = 0, comment = 0, space = 0;
512 strbuf_reset(&cf->value);
514 int c = get_next_char();
520 return cf->value.buf;
524 if (isspace(c) && !quote) {
530 if (c == ';' || c == '#') {
535 for (; space; space--)
536 strbuf_addch(&cf->value, ' ');
551 /* Some characters escape as themselves */
554 /* Reject unknown escape sequences */
558 strbuf_addch(&cf->value, c);
565 strbuf_addch(&cf->value, c);
569 static int get_value(config_fn_t fn, void *data, struct strbuf *name)
575 /* Get the full name */
582 strbuf_addch(name, tolower(c));
585 while (c == ' ' || c == '\t')
592 value = parse_value();
597 * We already consumed the \n, but we need linenr to point to
598 * the line we just parsed during the call to fn to get
599 * accurate line number in error messages.
602 ret = fn(name->buf, value, data);
608 static int get_extended_base_var(struct strbuf *name, int c)
610 cf->subsection_case_sensitive = 0;
613 goto error_incomplete_line;
615 } while (isspace(c));
617 /* We require the format to be '[base "extension"]' */
620 strbuf_addch(name, '.');
623 int c = get_next_char();
625 goto error_incomplete_line;
631 goto error_incomplete_line;
633 strbuf_addch(name, c);
637 if (get_next_char() != ']')
640 error_incomplete_line:
645 static int get_base_var(struct strbuf *name)
647 cf->subsection_case_sensitive = 1;
649 int c = get_next_char();
655 return get_extended_base_var(name, c);
656 if (!iskeychar(c) && c != '.')
658 strbuf_addch(name, tolower(c));
662 struct parse_event_data {
663 enum config_event_t previous_type;
664 size_t previous_offset;
665 const struct config_options *opts;
668 static int do_event(enum config_event_t type, struct parse_event_data *data)
672 if (!data->opts || !data->opts->event_fn)
675 if (type == CONFIG_EVENT_WHITESPACE &&
676 data->previous_type == type)
679 offset = cf->do_ftell(cf);
681 * At EOF, the parser always "inserts" an extra '\n', therefore
682 * the end offset of the event is the current file position, otherwise
683 * we will already have advanced to the next event.
685 if (type != CONFIG_EVENT_EOF)
688 if (data->previous_type != CONFIG_EVENT_EOF &&
689 data->opts->event_fn(data->previous_type, data->previous_offset,
690 offset, data->opts->event_fn_data) < 0)
693 data->previous_type = type;
694 data->previous_offset = offset;
699 static int git_parse_source(config_fn_t fn, void *data,
700 const struct config_options *opts)
704 struct strbuf *var = &cf->var;
705 int error_return = 0;
706 char *error_msg = NULL;
708 /* U+FEFF Byte Order Mark in UTF8 */
709 const char *bomptr = utf8_bom;
711 /* For the parser event callback */
712 struct parse_event_data event_data = {
713 CONFIG_EVENT_EOF, 0, opts
720 if (bomptr && *bomptr) {
721 /* We are at the file beginning; skip UTF8-encoded BOM
722 * if present. Sane editors won't put this in on their
723 * own, but e.g. Windows Notepad will do it happily. */
724 if (c == (*bomptr & 0377)) {
728 /* Do not tolerate partial BOM. */
729 if (bomptr != utf8_bom)
731 /* No BOM at file beginning. Cool. */
737 if (do_event(CONFIG_EVENT_EOF, &event_data) < 0)
741 if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0)
749 if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0)
753 if (c == '#' || c == ';') {
754 if (do_event(CONFIG_EVENT_COMMENT, &event_data) < 0)
760 if (do_event(CONFIG_EVENT_SECTION, &event_data) < 0)
763 /* Reset prior to determining a new stem */
765 if (get_base_var(var) < 0 || var->len < 1)
767 strbuf_addch(var, '.');
774 if (do_event(CONFIG_EVENT_ENTRY, &event_data) < 0)
778 * Truncate the var name back to the section header
779 * stem prior to grabbing the suffix part of the name
782 strbuf_setlen(var, baselen);
783 strbuf_addch(var, tolower(c));
784 if (get_value(fn, data, var) < 0)
788 if (do_event(CONFIG_EVENT_ERROR, &event_data) < 0)
791 switch (cf->origin_type) {
792 case CONFIG_ORIGIN_BLOB:
793 error_msg = xstrfmt(_("bad config line %d in blob %s"),
794 cf->linenr, cf->name);
796 case CONFIG_ORIGIN_FILE:
797 error_msg = xstrfmt(_("bad config line %d in file %s"),
798 cf->linenr, cf->name);
800 case CONFIG_ORIGIN_STDIN:
801 error_msg = xstrfmt(_("bad config line %d in standard input"),
804 case CONFIG_ORIGIN_SUBMODULE_BLOB:
805 error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"),
806 cf->linenr, cf->name);
808 case CONFIG_ORIGIN_CMDLINE:
809 error_msg = xstrfmt(_("bad config line %d in command line %s"),
810 cf->linenr, cf->name);
813 error_msg = xstrfmt(_("bad config line %d in %s"),
814 cf->linenr, cf->name);
817 switch (opts && opts->error_action ?
819 cf->default_error_action) {
820 case CONFIG_ERROR_DIE:
821 die("%s", error_msg);
823 case CONFIG_ERROR_ERROR:
824 error_return = error("%s", error_msg);
826 case CONFIG_ERROR_SILENT:
829 case CONFIG_ERROR_UNSET:
830 BUG("config error action unset");
837 static int parse_unit_factor(const char *end, uintmax_t *val)
841 else if (!strcasecmp(end, "k")) {
845 else if (!strcasecmp(end, "m")) {
849 else if (!strcasecmp(end, "g")) {
850 *val *= 1024 * 1024 * 1024;
856 static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max)
858 if (value && *value) {
862 uintmax_t factor = 1;
865 val = strtoimax(value, &end, 0);
868 if (!parse_unit_factor(end, &factor)) {
874 if (uval > max || labs(val) > uval) {
886 static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max)
888 if (value && *value) {
894 val = strtoumax(value, &end, 0);
898 if (!parse_unit_factor(end, &val)) {
902 if (val > max || oldval > val) {
913 static int git_parse_int(const char *value, int *ret)
916 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int)))
922 static int git_parse_int64(const char *value, int64_t *ret)
925 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t)))
931 int git_parse_ulong(const char *value, unsigned long *ret)
934 if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long)))
940 int git_parse_ssize_t(const char *value, ssize_t *ret)
943 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t)))
950 static void die_bad_number(const char *name, const char *value)
952 const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit");
957 if (!(cf && cf->name))
958 die(_("bad numeric config value '%s' for '%s': %s"),
959 value, name, error_type);
961 switch (cf->origin_type) {
962 case CONFIG_ORIGIN_BLOB:
963 die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
964 value, name, cf->name, error_type);
965 case CONFIG_ORIGIN_FILE:
966 die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
967 value, name, cf->name, error_type);
968 case CONFIG_ORIGIN_STDIN:
969 die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
970 value, name, error_type);
971 case CONFIG_ORIGIN_SUBMODULE_BLOB:
972 die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
973 value, name, cf->name, error_type);
974 case CONFIG_ORIGIN_CMDLINE:
975 die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
976 value, name, cf->name, error_type);
978 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
979 value, name, cf->name, error_type);
983 int git_config_int(const char *name, const char *value)
986 if (!git_parse_int(value, &ret))
987 die_bad_number(name, value);
991 int64_t git_config_int64(const char *name, const char *value)
994 if (!git_parse_int64(value, &ret))
995 die_bad_number(name, value);
999 unsigned long git_config_ulong(const char *name, const char *value)
1002 if (!git_parse_ulong(value, &ret))
1003 die_bad_number(name, value);
1007 ssize_t git_config_ssize_t(const char *name, const char *value)
1010 if (!git_parse_ssize_t(value, &ret))
1011 die_bad_number(name, value);
1015 static int git_parse_maybe_bool_text(const char *value)
1021 if (!strcasecmp(value, "true")
1022 || !strcasecmp(value, "yes")
1023 || !strcasecmp(value, "on"))
1025 if (!strcasecmp(value, "false")
1026 || !strcasecmp(value, "no")
1027 || !strcasecmp(value, "off"))
1032 int git_parse_maybe_bool(const char *value)
1034 int v = git_parse_maybe_bool_text(value);
1037 if (git_parse_int(value, &v))
1042 int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
1044 int v = git_parse_maybe_bool_text(value);
1050 return git_config_int(name, value);
1053 int git_config_bool(const char *name, const char *value)
1056 return !!git_config_bool_or_int(name, value, &discard);
1059 int git_config_string(const char **dest, const char *var, const char *value)
1062 return config_error_nonbool(var);
1063 *dest = xstrdup(value);
1067 int git_config_pathname(const char **dest, const char *var, const char *value)
1070 return config_error_nonbool(var);
1071 *dest = expand_user_path(value, 0);
1073 die(_("failed to expand user dir in: '%s'"), value);
1077 int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value)
1080 return config_error_nonbool(var);
1081 if (parse_expiry_date(value, timestamp))
1082 return error(_("'%s' for '%s' is not a valid timestamp"),
1087 int git_config_color(char *dest, const char *var, const char *value)
1090 return config_error_nonbool(var);
1091 if (color_parse(value, dest) < 0)
1096 static int git_default_core_config(const char *var, const char *value)
1098 /* This needs a better name */
1099 if (!strcmp(var, "core.filemode")) {
1100 trust_executable_bit = git_config_bool(var, value);
1103 if (!strcmp(var, "core.trustctime")) {
1104 trust_ctime = git_config_bool(var, value);
1107 if (!strcmp(var, "core.checkstat")) {
1108 if (!strcasecmp(value, "default"))
1110 else if (!strcasecmp(value, "minimal"))
1114 if (!strcmp(var, "core.quotepath")) {
1115 quote_path_fully = git_config_bool(var, value);
1119 if (!strcmp(var, "core.symlinks")) {
1120 has_symlinks = git_config_bool(var, value);
1124 if (!strcmp(var, "core.ignorecase")) {
1125 ignore_case = git_config_bool(var, value);
1129 if (!strcmp(var, "core.attributesfile"))
1130 return git_config_pathname(&git_attributes_file, var, value);
1132 if (!strcmp(var, "core.hookspath"))
1133 return git_config_pathname(&git_hooks_path, var, value);
1135 if (!strcmp(var, "core.bare")) {
1136 is_bare_repository_cfg = git_config_bool(var, value);
1140 if (!strcmp(var, "core.ignorestat")) {
1141 assume_unchanged = git_config_bool(var, value);
1145 if (!strcmp(var, "core.prefersymlinkrefs")) {
1146 prefer_symlink_refs = git_config_bool(var, value);
1150 if (!strcmp(var, "core.logallrefupdates")) {
1151 if (value && !strcasecmp(value, "always"))
1152 log_all_ref_updates = LOG_REFS_ALWAYS;
1153 else if (git_config_bool(var, value))
1154 log_all_ref_updates = LOG_REFS_NORMAL;
1156 log_all_ref_updates = LOG_REFS_NONE;
1160 if (!strcmp(var, "core.warnambiguousrefs")) {
1161 warn_ambiguous_refs = git_config_bool(var, value);
1165 if (!strcmp(var, "core.abbrev")) {
1167 return config_error_nonbool(var);
1168 if (!strcasecmp(value, "auto"))
1169 default_abbrev = -1;
1171 int abbrev = git_config_int(var, value);
1172 if (abbrev < minimum_abbrev || abbrev > 40)
1173 return error(_("abbrev length out of range: %d"), abbrev);
1174 default_abbrev = abbrev;
1179 if (!strcmp(var, "core.disambiguate"))
1180 return set_disambiguate_hint_config(var, value);
1182 if (!strcmp(var, "core.loosecompression")) {
1183 int level = git_config_int(var, value);
1185 level = Z_DEFAULT_COMPRESSION;
1186 else if (level < 0 || level > Z_BEST_COMPRESSION)
1187 die(_("bad zlib compression level %d"), level);
1188 zlib_compression_level = level;
1189 zlib_compression_seen = 1;
1193 if (!strcmp(var, "core.compression")) {
1194 int level = git_config_int(var, value);
1196 level = Z_DEFAULT_COMPRESSION;
1197 else if (level < 0 || level > Z_BEST_COMPRESSION)
1198 die(_("bad zlib compression level %d"), level);
1199 core_compression_level = level;
1200 core_compression_seen = 1;
1201 if (!zlib_compression_seen)
1202 zlib_compression_level = level;
1203 if (!pack_compression_seen)
1204 pack_compression_level = level;
1208 if (!strcmp(var, "core.packedgitwindowsize")) {
1209 int pgsz_x2 = getpagesize() * 2;
1210 packed_git_window_size = git_config_ulong(var, value);
1212 /* This value must be multiple of (pagesize * 2) */
1213 packed_git_window_size /= pgsz_x2;
1214 if (packed_git_window_size < 1)
1215 packed_git_window_size = 1;
1216 packed_git_window_size *= pgsz_x2;
1220 if (!strcmp(var, "core.bigfilethreshold")) {
1221 big_file_threshold = git_config_ulong(var, value);
1225 if (!strcmp(var, "core.packedgitlimit")) {
1226 packed_git_limit = git_config_ulong(var, value);
1230 if (!strcmp(var, "core.deltabasecachelimit")) {
1231 delta_base_cache_limit = git_config_ulong(var, value);
1235 if (!strcmp(var, "core.autocrlf")) {
1236 if (value && !strcasecmp(value, "input")) {
1237 auto_crlf = AUTO_CRLF_INPUT;
1240 auto_crlf = git_config_bool(var, value);
1244 if (!strcmp(var, "core.safecrlf")) {
1246 if (value && !strcasecmp(value, "warn")) {
1247 global_conv_flags_eol = CONV_EOL_RNDTRP_WARN;
1250 eol_rndtrp_die = git_config_bool(var, value);
1251 global_conv_flags_eol = eol_rndtrp_die ?
1252 CONV_EOL_RNDTRP_DIE : 0;
1256 if (!strcmp(var, "core.eol")) {
1257 if (value && !strcasecmp(value, "lf"))
1259 else if (value && !strcasecmp(value, "crlf"))
1260 core_eol = EOL_CRLF;
1261 else if (value && !strcasecmp(value, "native"))
1262 core_eol = EOL_NATIVE;
1264 core_eol = EOL_UNSET;
1268 if (!strcmp(var, "core.checkroundtripencoding")) {
1269 check_roundtrip_encoding = xstrdup(value);
1273 if (!strcmp(var, "core.notesref")) {
1274 notes_ref_name = xstrdup(value);
1278 if (!strcmp(var, "core.editor"))
1279 return git_config_string(&editor_program, var, value);
1281 if (!strcmp(var, "core.commentchar")) {
1283 return config_error_nonbool(var);
1284 else if (!strcasecmp(value, "auto"))
1285 auto_comment_line_char = 1;
1286 else if (value[0] && !value[1]) {
1287 comment_line_char = value[0];
1288 auto_comment_line_char = 0;
1290 return error(_("core.commentChar should only be one character"));
1294 if (!strcmp(var, "core.askpass"))
1295 return git_config_string(&askpass_program, var, value);
1297 if (!strcmp(var, "core.excludesfile"))
1298 return git_config_pathname(&excludes_file, var, value);
1300 if (!strcmp(var, "core.whitespace")) {
1302 return config_error_nonbool(var);
1303 whitespace_rule_cfg = parse_whitespace_rule(value);
1307 if (!strcmp(var, "core.fsyncobjectfiles")) {
1308 fsync_object_files = git_config_bool(var, value);
1312 if (!strcmp(var, "core.preloadindex")) {
1313 core_preload_index = git_config_bool(var, value);
1317 if (!strcmp(var, "core.createobject")) {
1318 if (!strcmp(value, "rename"))
1319 object_creation_mode = OBJECT_CREATION_USES_RENAMES;
1320 else if (!strcmp(value, "link"))
1321 object_creation_mode = OBJECT_CREATION_USES_HARDLINKS;
1323 die(_("invalid mode for object creation: %s"), value);
1327 if (!strcmp(var, "core.sparsecheckout")) {
1328 core_apply_sparse_checkout = git_config_bool(var, value);
1332 if (!strcmp(var, "core.precomposeunicode")) {
1333 precomposed_unicode = git_config_bool(var, value);
1337 if (!strcmp(var, "core.protecthfs")) {
1338 protect_hfs = git_config_bool(var, value);
1342 if (!strcmp(var, "core.protectntfs")) {
1343 protect_ntfs = git_config_bool(var, value);
1347 if (!strcmp(var, "core.hidedotfiles")) {
1348 if (value && !strcasecmp(value, "dotgitonly"))
1349 hide_dotfiles = HIDE_DOTFILES_DOTGITONLY;
1351 hide_dotfiles = git_config_bool(var, value);
1355 if (!strcmp(var, "core.partialclonefilter")) {
1356 return git_config_string(&core_partial_clone_filter_default,
1360 if (!strcmp(var, "core.usereplacerefs")) {
1361 read_replace_refs = git_config_bool(var, value);
1365 /* Add other config variables here and to Documentation/config.txt. */
1369 static int git_default_i18n_config(const char *var, const char *value)
1371 if (!strcmp(var, "i18n.commitencoding"))
1372 return git_config_string(&git_commit_encoding, var, value);
1374 if (!strcmp(var, "i18n.logoutputencoding"))
1375 return git_config_string(&git_log_output_encoding, var, value);
1377 /* Add other config variables here and to Documentation/config.txt. */
1381 static int git_default_branch_config(const char *var, const char *value)
1383 if (!strcmp(var, "branch.autosetupmerge")) {
1384 if (value && !strcasecmp(value, "always")) {
1385 git_branch_track = BRANCH_TRACK_ALWAYS;
1388 git_branch_track = git_config_bool(var, value);
1391 if (!strcmp(var, "branch.autosetuprebase")) {
1393 return config_error_nonbool(var);
1394 else if (!strcmp(value, "never"))
1395 autorebase = AUTOREBASE_NEVER;
1396 else if (!strcmp(value, "local"))
1397 autorebase = AUTOREBASE_LOCAL;
1398 else if (!strcmp(value, "remote"))
1399 autorebase = AUTOREBASE_REMOTE;
1400 else if (!strcmp(value, "always"))
1401 autorebase = AUTOREBASE_ALWAYS;
1403 return error(_("malformed value for %s"), var);
1407 /* Add other config variables here and to Documentation/config.txt. */
1411 static int git_default_push_config(const char *var, const char *value)
1413 if (!strcmp(var, "push.default")) {
1415 return config_error_nonbool(var);
1416 else if (!strcmp(value, "nothing"))
1417 push_default = PUSH_DEFAULT_NOTHING;
1418 else if (!strcmp(value, "matching"))
1419 push_default = PUSH_DEFAULT_MATCHING;
1420 else if (!strcmp(value, "simple"))
1421 push_default = PUSH_DEFAULT_SIMPLE;
1422 else if (!strcmp(value, "upstream"))
1423 push_default = PUSH_DEFAULT_UPSTREAM;
1424 else if (!strcmp(value, "tracking")) /* deprecated */
1425 push_default = PUSH_DEFAULT_UPSTREAM;
1426 else if (!strcmp(value, "current"))
1427 push_default = PUSH_DEFAULT_CURRENT;
1429 error(_("malformed value for %s: %s"), var, value);
1430 return error(_("must be one of nothing, matching, simple, "
1431 "upstream or current"));
1436 /* Add other config variables here and to Documentation/config.txt. */
1440 static int git_default_mailmap_config(const char *var, const char *value)
1442 if (!strcmp(var, "mailmap.file"))
1443 return git_config_pathname(&git_mailmap_file, var, value);
1444 if (!strcmp(var, "mailmap.blob"))
1445 return git_config_string(&git_mailmap_blob, var, value);
1447 /* Add other config variables here and to Documentation/config.txt. */
1451 int git_default_config(const char *var, const char *value, void *dummy)
1453 if (starts_with(var, "core."))
1454 return git_default_core_config(var, value);
1456 if (starts_with(var, "user."))
1457 return git_ident_config(var, value, dummy);
1459 if (starts_with(var, "i18n."))
1460 return git_default_i18n_config(var, value);
1462 if (starts_with(var, "branch."))
1463 return git_default_branch_config(var, value);
1465 if (starts_with(var, "push."))
1466 return git_default_push_config(var, value);
1468 if (starts_with(var, "mailmap."))
1469 return git_default_mailmap_config(var, value);
1471 if (starts_with(var, "advice.") || starts_with(var, "color.advice"))
1472 return git_default_advice_config(var, value);
1474 if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
1475 pager_use_color = git_config_bool(var,value);
1479 if (!strcmp(var, "pack.packsizelimit")) {
1480 pack_size_limit_cfg = git_config_ulong(var, value);
1484 if (!strcmp(var, "pack.compression")) {
1485 int level = git_config_int(var, value);
1487 level = Z_DEFAULT_COMPRESSION;
1488 else if (level < 0 || level > Z_BEST_COMPRESSION)
1489 die(_("bad pack compression level %d"), level);
1490 pack_compression_level = level;
1491 pack_compression_seen = 1;
1495 /* Add other config variables here and to Documentation/config.txt. */
1500 * All source specific fields in the union, die_on_error, name and the callbacks
1501 * fgetc, ungetc, ftell of top need to be initialized before calling
1504 static int do_config_from(struct config_source *top, config_fn_t fn, void *data,
1505 const struct config_options *opts)
1509 /* push config-file parsing state stack */
1513 strbuf_init(&top->value, 1024);
1514 strbuf_init(&top->var, 1024);
1517 ret = git_parse_source(fn, data, opts);
1519 /* pop config-file parsing state stack */
1520 strbuf_release(&top->value);
1521 strbuf_release(&top->var);
1527 static int do_config_from_file(config_fn_t fn,
1528 const enum config_origin_type origin_type,
1529 const char *name, const char *path, FILE *f,
1530 void *data, const struct config_options *opts)
1532 struct config_source top;
1536 top.origin_type = origin_type;
1539 top.default_error_action = CONFIG_ERROR_DIE;
1540 top.do_fgetc = config_file_fgetc;
1541 top.do_ungetc = config_file_ungetc;
1542 top.do_ftell = config_file_ftell;
1545 ret = do_config_from(&top, fn, data, opts);
1550 static int git_config_from_stdin(config_fn_t fn, void *data)
1552 return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin,
1556 int git_config_from_file_with_options(config_fn_t fn, const char *filename,
1558 const struct config_options *opts)
1563 f = fopen_or_warn(filename, "r");
1565 ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename,
1566 filename, f, data, opts);
1572 int git_config_from_file(config_fn_t fn, const char *filename, void *data)
1574 return git_config_from_file_with_options(fn, filename, data, NULL);
1577 int git_config_from_mem(config_fn_t fn,
1578 const enum config_origin_type origin_type,
1579 const char *name, const char *buf, size_t len,
1580 void *data, const struct config_options *opts)
1582 struct config_source top;
1584 top.u.buf.buf = buf;
1585 top.u.buf.len = len;
1587 top.origin_type = origin_type;
1590 top.default_error_action = CONFIG_ERROR_ERROR;
1591 top.do_fgetc = config_buf_fgetc;
1592 top.do_ungetc = config_buf_ungetc;
1593 top.do_ftell = config_buf_ftell;
1595 return do_config_from(&top, fn, data, opts);
1598 int git_config_from_blob_oid(config_fn_t fn,
1600 const struct object_id *oid,
1603 enum object_type type;
1608 buf = read_object_file(oid, &type, &size);
1610 return error(_("unable to load config blob object '%s'"), name);
1611 if (type != OBJ_BLOB) {
1613 return error(_("reference '%s' does not point to a blob"), name);
1616 ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size,
1623 static int git_config_from_blob_ref(config_fn_t fn,
1627 struct object_id oid;
1629 if (get_oid(name, &oid) < 0)
1630 return error(_("unable to resolve config blob '%s'"), name);
1631 return git_config_from_blob_oid(fn, name, &oid, data);
1634 const char *git_etc_gitconfig(void)
1636 static const char *system_wide;
1638 system_wide = system_path(ETC_GITCONFIG);
1643 * Parse environment variable 'k' as a boolean (in various
1644 * possible spellings); if missing, use the default value 'def'.
1646 int git_env_bool(const char *k, int def)
1648 const char *v = getenv(k);
1649 return v ? git_config_bool(k, v) : def;
1653 * Parse environment variable 'k' as ulong with possibly a unit
1654 * suffix; if missing, use the default value 'val'.
1656 unsigned long git_env_ulong(const char *k, unsigned long val)
1658 const char *v = getenv(k);
1659 if (v && !git_parse_ulong(v, &val))
1660 die(_("failed to parse %s"), k);
1664 int git_config_system(void)
1666 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
1669 static int do_git_config_sequence(const struct config_options *opts,
1670 config_fn_t fn, void *data)
1673 char *xdg_config = xdg_config_home("config");
1674 char *user_config = expand_user_path("~/.gitconfig", 0);
1677 if (opts->commondir)
1678 repo_config = mkpathdup("%s/config", opts->commondir);
1682 current_parsing_scope = CONFIG_SCOPE_SYSTEM;
1683 if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0))
1684 ret += git_config_from_file(fn, git_etc_gitconfig(),
1687 current_parsing_scope = CONFIG_SCOPE_GLOBAL;
1688 if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK))
1689 ret += git_config_from_file(fn, xdg_config, data);
1691 if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK))
1692 ret += git_config_from_file(fn, user_config, data);
1694 current_parsing_scope = CONFIG_SCOPE_REPO;
1695 if (repo_config && !access_or_die(repo_config, R_OK, 0))
1696 ret += git_config_from_file(fn, repo_config, data);
1698 current_parsing_scope = CONFIG_SCOPE_CMDLINE;
1699 if (git_config_from_parameters(fn, data) < 0)
1700 die(_("unable to parse command-line config"));
1702 current_parsing_scope = CONFIG_SCOPE_UNKNOWN;
1709 int config_with_options(config_fn_t fn, void *data,
1710 struct git_config_source *config_source,
1711 const struct config_options *opts)
1713 struct config_include_data inc = CONFIG_INCLUDE_INIT;
1715 if (opts->respect_includes) {
1719 fn = git_config_include;
1724 * If we have a specific filename, use it. Otherwise, follow the
1725 * regular lookup sequence.
1727 if (config_source && config_source->use_stdin)
1728 return git_config_from_stdin(fn, data);
1729 else if (config_source && config_source->file)
1730 return git_config_from_file(fn, config_source->file, data);
1731 else if (config_source && config_source->blob)
1732 return git_config_from_blob_ref(fn, config_source->blob, data);
1734 return do_git_config_sequence(opts, fn, data);
1737 static void configset_iter(struct config_set *cs, config_fn_t fn, void *data)
1740 struct string_list *values;
1741 struct config_set_element *entry;
1742 struct configset_list *list = &cs->list;
1744 for (i = 0; i < list->nr; i++) {
1745 entry = list->items[i].e;
1746 value_index = list->items[i].value_index;
1747 values = &entry->value_list;
1749 current_config_kvi = values->items[value_index].util;
1751 if (fn(entry->key, values->items[value_index].string, data) < 0)
1752 git_die_config_linenr(entry->key,
1753 current_config_kvi->filename,
1754 current_config_kvi->linenr);
1756 current_config_kvi = NULL;
1760 void read_early_config(config_fn_t cb, void *data)
1762 struct config_options opts = {0};
1763 struct strbuf commondir = STRBUF_INIT;
1764 struct strbuf gitdir = STRBUF_INIT;
1766 opts.respect_includes = 1;
1768 if (have_git_dir()) {
1769 opts.commondir = get_git_common_dir();
1770 opts.git_dir = get_git_dir();
1772 * When setup_git_directory() was not yet asked to discover the
1773 * GIT_DIR, we ask discover_git_directory() to figure out whether there
1774 * is any repository config we should use (but unlike
1775 * setup_git_directory_gently(), no global state is changed, most
1776 * notably, the current working directory is still the same after the
1779 } else if (!discover_git_directory(&commondir, &gitdir)) {
1780 opts.commondir = commondir.buf;
1781 opts.git_dir = gitdir.buf;
1784 config_with_options(cb, data, NULL, &opts);
1786 strbuf_release(&commondir);
1787 strbuf_release(&gitdir);
1790 static struct config_set_element *configset_find_element(struct config_set *cs, const char *key)
1792 struct config_set_element k;
1793 struct config_set_element *found_entry;
1794 char *normalized_key;
1796 * `key` may come from the user, so normalize it before using it
1797 * for querying entries from the hashmap.
1799 if (git_config_parse_key(key, &normalized_key, NULL))
1802 hashmap_entry_init(&k, strhash(normalized_key));
1803 k.key = normalized_key;
1804 found_entry = hashmap_get(&cs->config_hash, &k, NULL);
1805 free(normalized_key);
1809 static int configset_add_value(struct config_set *cs, const char *key, const char *value)
1811 struct config_set_element *e;
1812 struct string_list_item *si;
1813 struct configset_list_item *l_item;
1814 struct key_value_info *kv_info = xmalloc(sizeof(*kv_info));
1816 e = configset_find_element(cs, key);
1818 * Since the keys are being fed by git_config*() callback mechanism, they
1819 * are already normalized. So simply add them without any further munging.
1822 e = xmalloc(sizeof(*e));
1823 hashmap_entry_init(e, strhash(key));
1824 e->key = xstrdup(key);
1825 string_list_init(&e->value_list, 1);
1826 hashmap_add(&cs->config_hash, e);
1828 si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value));
1830 ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc);
1831 l_item = &cs->list.items[cs->list.nr++];
1833 l_item->value_index = e->value_list.nr - 1;
1836 BUG("configset_add_value has no source");
1838 kv_info->filename = strintern(cf->name);
1839 kv_info->linenr = cf->linenr;
1840 kv_info->origin_type = cf->origin_type;
1842 /* for values read from `git_config_from_parameters()` */
1843 kv_info->filename = NULL;
1844 kv_info->linenr = -1;
1845 kv_info->origin_type = CONFIG_ORIGIN_CMDLINE;
1847 kv_info->scope = current_parsing_scope;
1853 static int config_set_element_cmp(const void *unused_cmp_data,
1855 const void *entry_or_key,
1856 const void *unused_keydata)
1858 const struct config_set_element *e1 = entry;
1859 const struct config_set_element *e2 = entry_or_key;
1861 return strcmp(e1->key, e2->key);
1864 void git_configset_init(struct config_set *cs)
1866 hashmap_init(&cs->config_hash, config_set_element_cmp, NULL, 0);
1867 cs->hash_initialized = 1;
1870 cs->list.items = NULL;
1873 void git_configset_clear(struct config_set *cs)
1875 struct config_set_element *entry;
1876 struct hashmap_iter iter;
1877 if (!cs->hash_initialized)
1880 hashmap_iter_init(&cs->config_hash, &iter);
1881 while ((entry = hashmap_iter_next(&iter))) {
1883 string_list_clear(&entry->value_list, 1);
1885 hashmap_free(&cs->config_hash, 1);
1886 cs->hash_initialized = 0;
1887 free(cs->list.items);
1890 cs->list.items = NULL;
1893 static int config_set_callback(const char *key, const char *value, void *cb)
1895 struct config_set *cs = cb;
1896 configset_add_value(cs, key, value);
1900 int git_configset_add_file(struct config_set *cs, const char *filename)
1902 return git_config_from_file(config_set_callback, filename, cs);
1905 int git_configset_get_value(struct config_set *cs, const char *key, const char **value)
1907 const struct string_list *values = NULL;
1909 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
1910 * queried key in the files of the configset, the value returned will be the last
1911 * value in the value list for that key.
1913 values = git_configset_get_value_multi(cs, key);
1917 assert(values->nr > 0);
1918 *value = values->items[values->nr - 1].string;
1922 const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key)
1924 struct config_set_element *e = configset_find_element(cs, key);
1925 return e ? &e->value_list : NULL;
1928 int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest)
1931 if (!git_configset_get_value(cs, key, &value))
1932 return git_config_string(dest, key, value);
1937 int git_configset_get_string(struct config_set *cs, const char *key, char **dest)
1939 return git_configset_get_string_const(cs, key, (const char **)dest);
1942 int git_configset_get_int(struct config_set *cs, const char *key, int *dest)
1945 if (!git_configset_get_value(cs, key, &value)) {
1946 *dest = git_config_int(key, value);
1952 int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest)
1955 if (!git_configset_get_value(cs, key, &value)) {
1956 *dest = git_config_ulong(key, value);
1962 int git_configset_get_bool(struct config_set *cs, const char *key, int *dest)
1965 if (!git_configset_get_value(cs, key, &value)) {
1966 *dest = git_config_bool(key, value);
1972 int git_configset_get_bool_or_int(struct config_set *cs, const char *key,
1973 int *is_bool, int *dest)
1976 if (!git_configset_get_value(cs, key, &value)) {
1977 *dest = git_config_bool_or_int(key, value, is_bool);
1983 int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest)
1986 if (!git_configset_get_value(cs, key, &value)) {
1987 *dest = git_parse_maybe_bool(value);
1995 int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest)
1998 if (!git_configset_get_value(cs, key, &value))
1999 return git_config_pathname(dest, key, value);
2004 /* Functions use to read configuration from a repository */
2005 static void repo_read_config(struct repository *repo)
2007 struct config_options opts;
2009 opts.respect_includes = 1;
2010 opts.commondir = repo->commondir;
2011 opts.git_dir = repo->gitdir;
2014 repo->config = xcalloc(1, sizeof(struct config_set));
2016 git_configset_clear(repo->config);
2018 git_configset_init(repo->config);
2020 if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0)
2022 * config_with_options() normally returns only
2023 * zero, as most errors are fatal, and
2024 * non-fatal potential errors are guarded by "if"
2025 * statements that are entered only when no error is
2028 * If we ever encounter a non-fatal error, it means
2029 * something went really wrong and we should stop
2032 die(_("unknown error occurred while reading the configuration files"));
2035 static void git_config_check_init(struct repository *repo)
2037 if (repo->config && repo->config->hash_initialized)
2039 repo_read_config(repo);
2042 static void repo_config_clear(struct repository *repo)
2044 if (!repo->config || !repo->config->hash_initialized)
2046 git_configset_clear(repo->config);
2049 void repo_config(struct repository *repo, config_fn_t fn, void *data)
2051 git_config_check_init(repo);
2052 configset_iter(repo->config, fn, data);
2055 int repo_config_get_value(struct repository *repo,
2056 const char *key, const char **value)
2058 git_config_check_init(repo);
2059 return git_configset_get_value(repo->config, key, value);
2062 const struct string_list *repo_config_get_value_multi(struct repository *repo,
2065 git_config_check_init(repo);
2066 return git_configset_get_value_multi(repo->config, key);
2069 int repo_config_get_string_const(struct repository *repo,
2070 const char *key, const char **dest)
2073 git_config_check_init(repo);
2074 ret = git_configset_get_string_const(repo->config, key, dest);
2076 git_die_config(key, NULL);
2080 int repo_config_get_string(struct repository *repo,
2081 const char *key, char **dest)
2083 git_config_check_init(repo);
2084 return repo_config_get_string_const(repo, key, (const char **)dest);
2087 int repo_config_get_int(struct repository *repo,
2088 const char *key, int *dest)
2090 git_config_check_init(repo);
2091 return git_configset_get_int(repo->config, key, dest);
2094 int repo_config_get_ulong(struct repository *repo,
2095 const char *key, unsigned long *dest)
2097 git_config_check_init(repo);
2098 return git_configset_get_ulong(repo->config, key, dest);
2101 int repo_config_get_bool(struct repository *repo,
2102 const char *key, int *dest)
2104 git_config_check_init(repo);
2105 return git_configset_get_bool(repo->config, key, dest);
2108 int repo_config_get_bool_or_int(struct repository *repo,
2109 const char *key, int *is_bool, int *dest)
2111 git_config_check_init(repo);
2112 return git_configset_get_bool_or_int(repo->config, key, is_bool, dest);
2115 int repo_config_get_maybe_bool(struct repository *repo,
2116 const char *key, int *dest)
2118 git_config_check_init(repo);
2119 return git_configset_get_maybe_bool(repo->config, key, dest);
2122 int repo_config_get_pathname(struct repository *repo,
2123 const char *key, const char **dest)
2126 git_config_check_init(repo);
2127 ret = git_configset_get_pathname(repo->config, key, dest);
2129 git_die_config(key, NULL);
2133 /* Functions used historically to read configuration from 'the_repository' */
2134 void git_config(config_fn_t fn, void *data)
2136 repo_config(the_repository, fn, data);
2139 void git_config_clear(void)
2141 repo_config_clear(the_repository);
2144 int git_config_get_value(const char *key, const char **value)
2146 return repo_config_get_value(the_repository, key, value);
2149 const struct string_list *git_config_get_value_multi(const char *key)
2151 return repo_config_get_value_multi(the_repository, key);
2154 int git_config_get_string_const(const char *key, const char **dest)
2156 return repo_config_get_string_const(the_repository, key, dest);
2159 int git_config_get_string(const char *key, char **dest)
2161 return repo_config_get_string(the_repository, key, dest);
2164 int git_config_get_int(const char *key, int *dest)
2166 return repo_config_get_int(the_repository, key, dest);
2169 int git_config_get_ulong(const char *key, unsigned long *dest)
2171 return repo_config_get_ulong(the_repository, key, dest);
2174 int git_config_get_bool(const char *key, int *dest)
2176 return repo_config_get_bool(the_repository, key, dest);
2179 int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest)
2181 return repo_config_get_bool_or_int(the_repository, key, is_bool, dest);
2184 int git_config_get_maybe_bool(const char *key, int *dest)
2186 return repo_config_get_maybe_bool(the_repository, key, dest);
2189 int git_config_get_pathname(const char *key, const char **dest)
2191 return repo_config_get_pathname(the_repository, key, dest);
2194 int git_config_get_expiry(const char *key, const char **output)
2196 int ret = git_config_get_string_const(key, output);
2199 if (strcmp(*output, "now")) {
2200 timestamp_t now = approxidate("now");
2201 if (approxidate(*output) >= now)
2202 git_die_config(key, _("Invalid %s: '%s'"), key, *output);
2207 int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now)
2209 char *expiry_string;
2213 if (git_config_get_string(key, &expiry_string))
2214 return 1; /* no such thing */
2216 if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) {
2217 const int scale = 86400;
2218 *expiry = now - days * scale;
2222 if (!parse_expiry_date(expiry_string, &when)) {
2226 return -1; /* thing exists but cannot be parsed */
2229 int git_config_get_untracked_cache(void)
2234 /* Hack for test programs like test-dump-untracked-cache */
2235 if (ignore_untracked_cache_config)
2238 if (!git_config_get_maybe_bool("core.untrackedcache", &val))
2241 if (!git_config_get_value("core.untrackedcache", &v)) {
2242 if (!strcasecmp(v, "keep"))
2245 error(_("unknown core.untrackedCache value '%s'; "
2246 "using 'keep' default value"), v);
2250 return -1; /* default value */
2253 int git_config_get_split_index(void)
2257 if (!git_config_get_maybe_bool("core.splitindex", &val))
2260 return -1; /* default value */
2263 int git_config_get_max_percent_split_change(void)
2267 if (!git_config_get_int("splitindex.maxpercentchange", &val)) {
2268 if (0 <= val && val <= 100)
2271 return error(_("splitIndex.maxPercentChange value '%d' "
2272 "should be between 0 and 100"), val);
2275 return -1; /* default value */
2278 int git_config_get_fsmonitor(void)
2280 if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor))
2281 core_fsmonitor = getenv("GIT_TEST_FSMONITOR");
2283 if (core_fsmonitor && !*core_fsmonitor)
2284 core_fsmonitor = NULL;
2292 int git_config_get_index_threads(void)
2294 int is_bool, val = 0;
2296 val = git_env_ulong("GIT_TEST_INDEX_THREADS", 0);
2300 if (!git_config_get_bool_or_int("index.threads", &is_bool, &val)) {
2307 return 0; /* auto */
2311 void git_die_config_linenr(const char *key, const char *filename, int linenr)
2314 die(_("unable to parse '%s' from command-line config"), key);
2316 die(_("bad config variable '%s' in file '%s' at line %d"),
2317 key, filename, linenr);
2320 NORETURN __attribute__((format(printf, 2, 3)))
2321 void git_die_config(const char *key, const char *err, ...)
2323 const struct string_list *values;
2324 struct key_value_info *kv_info;
2328 va_start(params, err);
2329 vreportf("error: ", err, params);
2332 values = git_config_get_value_multi(key);
2333 kv_info = values->items[values->nr - 1].util;
2334 git_die_config_linenr(key, kv_info->filename, kv_info->linenr);
2338 * Find all the stuff for git_config_set() below.
2341 struct config_store_data {
2345 regex_t *value_regex;
2349 enum config_event_t type;
2350 int is_keys_section;
2352 unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc;
2353 unsigned int key_seen:1, section_seen:1, is_keys_section:1;
2356 static void config_store_data_clear(struct config_store_data *store)
2359 if (store->value_regex != NULL &&
2360 store->value_regex != CONFIG_REGEX_NONE) {
2361 regfree(store->value_regex);
2362 free(store->value_regex);
2364 free(store->parsed);
2366 memset(store, 0, sizeof(*store));
2369 static int matches(const char *key, const char *value,
2370 const struct config_store_data *store)
2372 if (strcmp(key, store->key))
2373 return 0; /* not ours */
2374 if (!store->value_regex)
2375 return 1; /* always matches */
2376 if (store->value_regex == CONFIG_REGEX_NONE)
2377 return 0; /* never matches */
2379 return store->do_not_match ^
2380 (value && !regexec(store->value_regex, value, 0, NULL, 0));
2383 static int store_aux_event(enum config_event_t type,
2384 size_t begin, size_t end, void *data)
2386 struct config_store_data *store = data;
2388 ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc);
2389 store->parsed[store->parsed_nr].begin = begin;
2390 store->parsed[store->parsed_nr].end = end;
2391 store->parsed[store->parsed_nr].type = type;
2393 if (type == CONFIG_EVENT_SECTION) {
2394 int (*cmpfn)(const char *, const char *, size_t);
2396 if (cf->var.len < 2 || cf->var.buf[cf->var.len - 1] != '.')
2397 return error(_("invalid section name '%s'"), cf->var.buf);
2399 if (cf->subsection_case_sensitive)
2400 cmpfn = strncasecmp;
2404 /* Is this the section we were looking for? */
2405 store->is_keys_section =
2406 store->parsed[store->parsed_nr].is_keys_section =
2407 cf->var.len - 1 == store->baselen &&
2408 !cmpfn(cf->var.buf, store->key, store->baselen);
2409 if (store->is_keys_section) {
2410 store->section_seen = 1;
2411 ALLOC_GROW(store->seen, store->seen_nr + 1,
2413 store->seen[store->seen_nr] = store->parsed_nr;
2422 static int store_aux(const char *key, const char *value, void *cb)
2424 struct config_store_data *store = cb;
2426 if (store->key_seen) {
2427 if (matches(key, value, store)) {
2428 if (store->seen_nr == 1 && store->multi_replace == 0) {
2429 warning(_("%s has multiple values"), key);
2432 ALLOC_GROW(store->seen, store->seen_nr + 1,
2435 store->seen[store->seen_nr] = store->parsed_nr;
2438 } else if (store->is_keys_section) {
2440 * Do not increment matches yet: this may not be a match, but we
2441 * are in the desired section.
2443 ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc);
2444 store->seen[store->seen_nr] = store->parsed_nr;
2445 store->section_seen = 1;
2447 if (matches(key, value, store)) {
2449 store->key_seen = 1;
2456 static int write_error(const char *filename)
2458 error(_("failed to write new configuration file %s"), filename);
2460 /* Same error code as "failed to rename". */
2464 static struct strbuf store_create_section(const char *key,
2465 const struct config_store_data *store)
2469 struct strbuf sb = STRBUF_INIT;
2471 dot = memchr(key, '.', store->baselen);
2473 strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key);
2474 for (i = dot - key + 1; i < store->baselen; i++) {
2475 if (key[i] == '"' || key[i] == '\\')
2476 strbuf_addch(&sb, '\\');
2477 strbuf_addch(&sb, key[i]);
2479 strbuf_addstr(&sb, "\"]\n");
2481 strbuf_addf(&sb, "[%.*s]\n", store->baselen, key);
2487 static ssize_t write_section(int fd, const char *key,
2488 const struct config_store_data *store)
2490 struct strbuf sb = store_create_section(key, store);
2493 ret = write_in_full(fd, sb.buf, sb.len);
2494 strbuf_release(&sb);
2499 static ssize_t write_pair(int fd, const char *key, const char *value,
2500 const struct config_store_data *store)
2504 int length = strlen(key + store->baselen + 1);
2505 const char *quote = "";
2506 struct strbuf sb = STRBUF_INIT;
2509 * Check to see if the value needs to be surrounded with a dq pair.
2510 * Note that problematic characters are always backslash-quoted; this
2511 * check is about not losing leading or trailing SP and strings that
2512 * follow beginning-of-comment characters (i.e. ';' and '#') by the
2513 * configuration parser.
2515 if (value[0] == ' ')
2517 for (i = 0; value[i]; i++)
2518 if (value[i] == ';' || value[i] == '#')
2520 if (i && value[i - 1] == ' ')
2523 strbuf_addf(&sb, "\t%.*s = %s",
2524 length, key + store->baselen + 1, quote);
2526 for (i = 0; value[i]; i++)
2529 strbuf_addstr(&sb, "\\n");
2532 strbuf_addstr(&sb, "\\t");
2536 strbuf_addch(&sb, '\\');
2539 strbuf_addch(&sb, value[i]);
2542 strbuf_addf(&sb, "%s\n", quote);
2544 ret = write_in_full(fd, sb.buf, sb.len);
2545 strbuf_release(&sb);
2551 * If we are about to unset the last key(s) in a section, and if there are
2552 * no comments surrounding (or included in) the section, we will want to
2553 * extend begin/end to remove the entire section.
2555 * Note: the parameter `seen_ptr` points to the index into the store.seen
2556 * array. * This index may be incremented if a section has more than one
2557 * entry (which all are to be removed).
2559 static void maybe_remove_section(struct config_store_data *store,
2560 const char *contents,
2561 size_t *begin_offset, size_t *end_offset,
2565 int i, seen, section_seen = 0;
2568 * First, ensure that this is the first key, and that there are no
2569 * comments before the entry nor before the section header.
2572 for (i = store->seen[seen]; i > 0; i--) {
2573 enum config_event_t type = store->parsed[i - 1].type;
2575 if (type == CONFIG_EVENT_COMMENT)
2576 /* There is a comment before this entry or section */
2578 if (type == CONFIG_EVENT_ENTRY) {
2580 /* This is not the section's first entry. */
2582 /* We encountered no comment before the section. */
2585 if (type == CONFIG_EVENT_SECTION) {
2586 if (!store->parsed[i - 1].is_keys_section)
2591 begin = store->parsed[i].begin;
2594 * Next, make sure that we are removing he last key(s) in the section,
2595 * and that there are no comments that are possibly about the current
2598 for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) {
2599 enum config_event_t type = store->parsed[i].type;
2601 if (type == CONFIG_EVENT_COMMENT)
2603 if (type == CONFIG_EVENT_SECTION) {
2604 if (store->parsed[i].is_keys_section)
2608 if (type == CONFIG_EVENT_ENTRY) {
2609 if (++seen < store->seen_nr &&
2610 i == store->seen[seen])
2611 /* We want to remove this entry, too */
2613 /* There is another entry in this section. */
2619 * We are really removing the last entry/entries from this section, and
2620 * there are no enclosed or surrounding comments. Remove the entire,
2621 * now-empty section.
2624 *begin_offset = begin;
2625 if (i < store->parsed_nr)
2626 *end_offset = store->parsed[i].begin;
2628 *end_offset = store->parsed[store->parsed_nr - 1].end;
2631 int git_config_set_in_file_gently(const char *config_filename,
2632 const char *key, const char *value)
2634 return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0);
2637 void git_config_set_in_file(const char *config_filename,
2638 const char *key, const char *value)
2640 git_config_set_multivar_in_file(config_filename, key, value, NULL, 0);
2643 int git_config_set_gently(const char *key, const char *value)
2645 return git_config_set_multivar_gently(key, value, NULL, 0);
2648 void git_config_set(const char *key, const char *value)
2650 git_config_set_multivar(key, value, NULL, 0);
2654 * If value==NULL, unset in (remove from) config,
2655 * if value_regex!=NULL, disregard key/value pairs where value does not match.
2656 * if value_regex==CONFIG_REGEX_NONE, do not match any existing values
2657 * (only add a new one)
2658 * if multi_replace==0, nothing, or only one matching key/value is replaced,
2659 * else all matching key/values (regardless how many) are removed,
2660 * before the new pair is written.
2662 * Returns 0 on success.
2664 * This function does this:
2666 * - it locks the config file by creating ".git/config.lock"
2668 * - it then parses the config using store_aux() as validator to find
2669 * the position on the key/value pair to replace. If it is to be unset,
2670 * it must be found exactly once.
2672 * - the config file is mmap()ed and the part before the match (if any) is
2673 * written to the lock file, then the changed part and the rest.
2675 * - the config file is removed and the lock file rename()d to it.
2678 int git_config_set_multivar_in_file_gently(const char *config_filename,
2679 const char *key, const char *value,
2680 const char *value_regex,
2683 int fd = -1, in_fd = -1;
2685 struct lock_file lock = LOCK_INIT;
2686 char *filename_buf = NULL;
2687 char *contents = NULL;
2689 struct config_store_data store;
2691 memset(&store, 0, sizeof(store));
2693 /* parse-key returns negative; flip the sign to feed exit(3) */
2694 ret = 0 - git_config_parse_key(key, &store.key, &store.baselen);
2698 store.multi_replace = multi_replace;
2700 if (!config_filename)
2701 config_filename = filename_buf = git_pathdup("config");
2704 * The lock serves a purpose in addition to locking: the new
2705 * contents of .git/config will be written into it.
2707 fd = hold_lock_file_for_update(&lock, config_filename, 0);
2709 error_errno(_("could not lock config file %s"), config_filename);
2710 ret = CONFIG_NO_LOCK;
2715 * If .git/config does not exist yet, write a minimal version.
2717 in_fd = open(config_filename, O_RDONLY);
2719 if ( ENOENT != errno ) {
2720 error_errno(_("opening %s"), config_filename);
2721 ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */
2724 /* if nothing to unset, error out */
2725 if (value == NULL) {
2726 ret = CONFIG_NOTHING_SET;
2731 store.key = xstrdup(key);
2732 if (write_section(fd, key, &store) < 0 ||
2733 write_pair(fd, key, value, &store) < 0)
2737 size_t copy_begin, copy_end;
2738 int i, new_line = 0;
2739 struct config_options opts;
2741 if (value_regex == NULL)
2742 store.value_regex = NULL;
2743 else if (value_regex == CONFIG_REGEX_NONE)
2744 store.value_regex = CONFIG_REGEX_NONE;
2746 if (value_regex[0] == '!') {
2747 store.do_not_match = 1;
2750 store.do_not_match = 0;
2752 store.value_regex = (regex_t*)xmalloc(sizeof(regex_t));
2753 if (regcomp(store.value_regex, value_regex,
2755 error(_("invalid pattern: %s"), value_regex);
2756 FREE_AND_NULL(store.value_regex);
2757 ret = CONFIG_INVALID_PATTERN;
2762 ALLOC_GROW(store.parsed, 1, store.parsed_alloc);
2763 store.parsed[0].end = 0;
2765 memset(&opts, 0, sizeof(opts));
2766 opts.event_fn = store_aux_event;
2767 opts.event_fn_data = &store;
2770 * After this, store.parsed will contain offsets of all the
2771 * parsed elements, and store.seen will contain a list of
2772 * matches, as indices into store.parsed.
2774 * As a side effect, we make sure to transform only a valid
2775 * existing config file.
2777 if (git_config_from_file_with_options(store_aux,
2780 error(_("invalid config file %s"), config_filename);
2781 ret = CONFIG_INVALID_FILE;
2785 /* if nothing to unset, or too many matches, error out */
2786 if ((store.seen_nr == 0 && value == NULL) ||
2787 (store.seen_nr > 1 && multi_replace == 0)) {
2788 ret = CONFIG_NOTHING_SET;
2792 if (fstat(in_fd, &st) == -1) {
2793 error_errno(_("fstat on %s failed"), config_filename);
2794 ret = CONFIG_INVALID_FILE;
2798 contents_sz = xsize_t(st.st_size);
2799 contents = xmmap_gently(NULL, contents_sz, PROT_READ,
2800 MAP_PRIVATE, in_fd, 0);
2801 if (contents == MAP_FAILED) {
2802 if (errno == ENODEV && S_ISDIR(st.st_mode))
2804 error_errno(_("unable to mmap '%s'"), config_filename);
2805 ret = CONFIG_INVALID_FILE;
2812 if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
2813 error_errno(_("chmod on %s failed"), get_lock_file_path(&lock));
2814 ret = CONFIG_NO_WRITE;
2818 if (store.seen_nr == 0) {
2819 if (!store.seen_alloc) {
2820 /* Did not see key nor section */
2821 ALLOC_GROW(store.seen, 1, store.seen_alloc);
2822 store.seen[0] = store.parsed_nr
2823 - !!store.parsed_nr;
2828 for (i = 0, copy_begin = 0; i < store.seen_nr; i++) {
2830 int j = store.seen[i];
2833 if (!store.key_seen) {
2834 copy_end = store.parsed[j].end;
2835 /* include '\n' when copying section header */
2836 if (copy_end > 0 && copy_end < contents_sz &&
2837 contents[copy_end - 1] != '\n' &&
2838 contents[copy_end] == '\n')
2840 replace_end = copy_end;
2842 replace_end = store.parsed[j].end;
2843 copy_end = store.parsed[j].begin;
2845 maybe_remove_section(&store, contents,
2849 * Swallow preceding white-space on the same
2852 while (copy_end > 0 ) {
2853 char c = contents[copy_end - 1];
2855 if (isspace(c) && c != '\n')
2862 if (copy_end > 0 && contents[copy_end-1] != '\n')
2865 /* write the first part of the config */
2866 if (copy_end > copy_begin) {
2867 if (write_in_full(fd, contents + copy_begin,
2868 copy_end - copy_begin) < 0)
2871 write_str_in_full(fd, "\n") < 0)
2874 copy_begin = replace_end;
2877 /* write the pair (value == NULL means unset) */
2878 if (value != NULL) {
2879 if (!store.section_seen) {
2880 if (write_section(fd, key, &store) < 0)
2883 if (write_pair(fd, key, value, &store) < 0)
2887 /* write the rest of the config */
2888 if (copy_begin < contents_sz)
2889 if (write_in_full(fd, contents + copy_begin,
2890 contents_sz - copy_begin) < 0)
2893 munmap(contents, contents_sz);
2897 if (commit_lock_file(&lock) < 0) {
2898 error_errno(_("could not write config file %s"), config_filename);
2899 ret = CONFIG_NO_WRITE;
2905 /* Invalidate the config cache */
2909 rollback_lock_file(&lock);
2912 munmap(contents, contents_sz);
2915 config_store_data_clear(&store);
2919 ret = write_error(get_lock_file_path(&lock));
2924 void git_config_set_multivar_in_file(const char *config_filename,
2925 const char *key, const char *value,
2926 const char *value_regex, int multi_replace)
2928 if (!git_config_set_multivar_in_file_gently(config_filename, key, value,
2929 value_regex, multi_replace))
2932 die(_("could not set '%s' to '%s'"), key, value);
2934 die(_("could not unset '%s'"), key);
2937 int git_config_set_multivar_gently(const char *key, const char *value,
2938 const char *value_regex, int multi_replace)
2940 return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex,
2944 void git_config_set_multivar(const char *key, const char *value,
2945 const char *value_regex, int multi_replace)
2947 git_config_set_multivar_in_file(NULL, key, value, value_regex,
2951 static int section_name_match (const char *buf, const char *name)
2953 int i = 0, j = 0, dot = 0;
2956 for (i = 1; buf[i] && buf[i] != ']'; i++) {
2957 if (!dot && isspace(buf[i])) {
2959 if (name[j++] != '.')
2961 for (i++; isspace(buf[i]); i++)
2967 if (buf[i] == '\\' && dot)
2969 else if (buf[i] == '"' && dot) {
2970 for (i++; isspace(buf[i]); i++)
2974 if (buf[i] != name[j++])
2977 if (buf[i] == ']' && name[j] == 0) {
2979 * We match, now just find the right length offset by
2980 * gobbling up any whitespace after it, as well
2983 for (; buf[i] && isspace(buf[i]); i++)
2990 static int section_name_is_ok(const char *name)
2992 /* Empty section names are bogus. */
2997 * Before a dot, we must be alphanumeric or dash. After the first dot,
2998 * anything goes, so we can stop checking.
3000 for (; *name && *name != '.'; name++)
3001 if (*name != '-' && !isalnum(*name))
3006 /* if new_name == NULL, the section is removed instead */
3007 static int git_config_copy_or_rename_section_in_file(const char *config_filename,
3008 const char *old_name,
3009 const char *new_name, int copy)
3011 int ret = 0, remove = 0;
3012 char *filename_buf = NULL;
3013 struct lock_file lock = LOCK_INIT;
3016 FILE *config_file = NULL;
3018 struct strbuf copystr = STRBUF_INIT;
3019 struct config_store_data store;
3021 memset(&store, 0, sizeof(store));
3023 if (new_name && !section_name_is_ok(new_name)) {
3024 ret = error(_("invalid section name: %s"), new_name);
3025 goto out_no_rollback;
3028 if (!config_filename)
3029 config_filename = filename_buf = git_pathdup("config");
3031 out_fd = hold_lock_file_for_update(&lock, config_filename, 0);
3033 ret = error(_("could not lock config file %s"), config_filename);
3037 if (!(config_file = fopen(config_filename, "rb"))) {
3038 ret = warn_on_fopen_errors(config_filename);
3041 /* no config file means nothing to rename, no error */
3042 goto commit_and_out;
3045 if (fstat(fileno(config_file), &st) == -1) {
3046 ret = error_errno(_("fstat on %s failed"), config_filename);
3050 if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
3051 ret = error_errno(_("chmod on %s failed"),
3052 get_lock_file_path(&lock));
3056 while (fgets(buf, sizeof(buf), config_file)) {
3061 for (i = 0; buf[i] && isspace(buf[i]); i++)
3063 if (buf[i] == '[') {
3064 /* it's a section */
3069 * When encountering a new section under -c we
3070 * need to flush out any section we're already
3071 * coping and begin anew. There might be
3072 * multiple [branch "$name"] sections.
3074 if (copystr.len > 0) {
3075 if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
3076 ret = write_error(get_lock_file_path(&lock));
3079 strbuf_reset(©str);
3082 offset = section_name_match(&buf[i], old_name);
3085 if (new_name == NULL) {
3089 store.baselen = strlen(new_name);
3091 if (write_section(out_fd, new_name, &store) < 0) {
3092 ret = write_error(get_lock_file_path(&lock));
3096 * We wrote out the new section, with
3097 * a newline, now skip the old
3100 output += offset + i;
3101 if (strlen(output) > 0) {
3103 * More content means there's
3104 * a declaration to put on the
3105 * next line; indent with a
3112 copystr = store_create_section(new_name, &store);
3119 length = strlen(output);
3121 if (!is_section && copystr.len > 0) {
3122 strbuf_add(©str, output, length);
3125 if (write_in_full(out_fd, output, length) < 0) {
3126 ret = write_error(get_lock_file_path(&lock));
3132 * Copy a trailing section at the end of the config, won't be
3133 * flushed by the usual "flush because we have a new section
3134 * logic in the loop above.
3136 if (copystr.len > 0) {
3137 if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
3138 ret = write_error(get_lock_file_path(&lock));
3141 strbuf_reset(©str);
3144 fclose(config_file);
3147 if (commit_lock_file(&lock) < 0)
3148 ret = error_errno(_("could not write config file %s"),
3152 fclose(config_file);
3153 rollback_lock_file(&lock);
3156 config_store_data_clear(&store);
3160 int git_config_rename_section_in_file(const char *config_filename,
3161 const char *old_name, const char *new_name)
3163 return git_config_copy_or_rename_section_in_file(config_filename,
3164 old_name, new_name, 0);
3167 int git_config_rename_section(const char *old_name, const char *new_name)
3169 return git_config_rename_section_in_file(NULL, old_name, new_name);
3172 int git_config_copy_section_in_file(const char *config_filename,
3173 const char *old_name, const char *new_name)
3175 return git_config_copy_or_rename_section_in_file(config_filename,
3176 old_name, new_name, 1);
3179 int git_config_copy_section(const char *old_name, const char *new_name)
3181 return git_config_copy_section_in_file(NULL, old_name, new_name);
3185 * Call this to report error for your variable that should not
3186 * get a boolean value (i.e. "[my] var" means "true").
3188 #undef config_error_nonbool
3189 int config_error_nonbool(const char *var)
3191 return error(_("missing value for '%s'"), var);
3194 int parse_config_key(const char *var,
3195 const char *section,
3196 const char **subsection, int *subsection_len,
3201 /* Does it start with "section." ? */
3202 if (!skip_prefix(var, section, &var) || *var != '.')
3206 * Find the key; we don't know yet if we have a subsection, but we must
3207 * parse backwards from the end, since the subsection may have dots in
3210 dot = strrchr(var, '.');
3213 /* Did we have a subsection at all? */
3217 *subsection_len = 0;
3223 *subsection = var + 1;
3224 *subsection_len = dot - *subsection;
3230 const char *current_config_origin_type(void)
3233 if (current_config_kvi)
3234 type = current_config_kvi->origin_type;
3236 type = cf->origin_type;
3238 BUG("current_config_origin_type called outside config callback");
3241 case CONFIG_ORIGIN_BLOB:
3243 case CONFIG_ORIGIN_FILE:
3245 case CONFIG_ORIGIN_STDIN:
3246 return "standard input";
3247 case CONFIG_ORIGIN_SUBMODULE_BLOB:
3248 return "submodule-blob";
3249 case CONFIG_ORIGIN_CMDLINE:
3250 return "command line";
3252 BUG("unknown config origin type");
3256 const char *current_config_name(void)
3259 if (current_config_kvi)
3260 name = current_config_kvi->filename;
3264 BUG("current_config_name called outside config callback");
3265 return name ? name : "";
3268 enum config_scope current_config_scope(void)
3270 if (current_config_kvi)
3271 return current_config_kvi->scope;
3273 return current_parsing_scope;
3276 int lookup_config(const char **mapping, int nr_mapping, const char *var)
3280 for (i = 0; i < nr_mapping; i++) {
3281 const char *name = mapping[i];
3283 if (name && !strcasecmp(var, name))