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;
42 int (*do_fgetc)(struct config_source *c);
43 int (*do_ungetc)(int c, struct config_source *conf);
44 long (*do_ftell)(struct config_source *c);
48 * These variables record the "current" config source, which
49 * can be accessed by parsing callbacks.
51 * The "cf" variable will be non-NULL only when we are actually parsing a real
52 * config source (file, blob, cmdline, etc).
54 * The "current_config_kvi" variable will be non-NULL only when we are feeding
55 * cached config from a configset into a callback.
57 * They should generally never be non-NULL at the same time. If they are both
58 * NULL, then we aren't parsing anything (and depending on the function looking
59 * at the variables, it's either a bug for it to be called in the first place,
60 * or it's a function which can be reused for non-config purposes, and should
61 * fall back to some sane behavior).
63 static struct config_source *cf;
64 static struct key_value_info *current_config_kvi;
67 * Similar to the variables above, this gives access to the "scope" of the
68 * current value (repo, global, etc). For cached values, it can be found via
69 * the current_config_kvi as above. During parsing, the current value can be
70 * found in this variable. It's not part of "cf" because it transcends a single
71 * file (i.e., a file included from .git/config is still in "repo" scope).
73 static enum config_scope current_parsing_scope;
75 static int core_compression_seen;
76 static int pack_compression_seen;
77 static int zlib_compression_seen;
79 static int config_file_fgetc(struct config_source *conf)
81 return getc_unlocked(conf->u.file);
84 static int config_file_ungetc(int c, struct config_source *conf)
86 return ungetc(c, conf->u.file);
89 static long config_file_ftell(struct config_source *conf)
91 return ftell(conf->u.file);
95 static int config_buf_fgetc(struct config_source *conf)
97 if (conf->u.buf.pos < conf->u.buf.len)
98 return conf->u.buf.buf[conf->u.buf.pos++];
103 static int config_buf_ungetc(int c, struct config_source *conf)
105 if (conf->u.buf.pos > 0) {
107 if (conf->u.buf.buf[conf->u.buf.pos] != c)
108 BUG("config_buf can only ungetc the same character");
115 static long config_buf_ftell(struct config_source *conf)
117 return conf->u.buf.pos;
120 #define MAX_INCLUDE_DEPTH 10
121 static const char include_depth_advice[] = N_(
122 "exceeded maximum include depth (%d) while including\n"
126 "Do you have circular includes?");
127 static int handle_path_include(const char *path, struct config_include_data *inc)
130 struct strbuf buf = STRBUF_INIT;
134 return config_error_nonbool("include.path");
136 expanded = expand_user_path(path, 0);
138 return error(_("could not expand include path '%s'"), path);
142 * Use an absolute path as-is, but interpret relative paths
143 * based on the including config file.
145 if (!is_absolute_path(path)) {
148 if (!cf || !cf->path)
149 return error(_("relative config includes must come from files"));
151 slash = find_last_dir_sep(cf->path);
153 strbuf_add(&buf, cf->path, slash - cf->path + 1);
154 strbuf_addstr(&buf, path);
158 if (!access_or_die(path, R_OK, 0)) {
159 if (++inc->depth > MAX_INCLUDE_DEPTH)
160 die(_(include_depth_advice), MAX_INCLUDE_DEPTH, path,
162 cf->name ? cf->name :
164 ret = git_config_from_file(git_config_include, path, inc);
167 strbuf_release(&buf);
172 static int prepare_include_condition_pattern(struct strbuf *pat)
174 struct strbuf path = STRBUF_INIT;
178 expanded = expand_user_path(pat->buf, 1);
181 strbuf_addstr(pat, expanded);
185 if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) {
188 if (!cf || !cf->path)
189 return error(_("relative config include "
190 "conditionals must come from files"));
192 strbuf_realpath(&path, cf->path, 1);
193 slash = find_last_dir_sep(path.buf);
195 BUG("how is this possible?");
196 strbuf_splice(pat, 0, 1, path.buf, slash - path.buf);
197 prefix = slash - path.buf + 1 /* slash */;
198 } else if (!is_absolute_path(pat->buf))
199 strbuf_insert(pat, 0, "**/", 3);
201 if (pat->len && is_dir_sep(pat->buf[pat->len - 1]))
202 strbuf_addstr(pat, "**");
204 strbuf_release(&path);
208 static int include_by_gitdir(const struct config_options *opts,
209 const char *cond, size_t cond_len, int icase)
211 struct strbuf text = STRBUF_INIT;
212 struct strbuf pattern = STRBUF_INIT;
215 int already_tried_absolute = 0;
218 git_dir = opts->git_dir;
222 strbuf_realpath(&text, git_dir, 1);
223 strbuf_add(&pattern, cond, cond_len);
224 prefix = prepare_include_condition_pattern(&pattern);
232 * perform literal matching on the prefix part so that
233 * any wildcard character in it can't create side effects.
235 if (text.len < prefix)
237 if (!icase && strncmp(pattern.buf, text.buf, prefix))
239 if (icase && strncasecmp(pattern.buf, text.buf, prefix))
243 ret = !wildmatch(pattern.buf + prefix, text.buf + prefix,
244 icase ? WM_CASEFOLD : 0);
246 if (!ret && !already_tried_absolute) {
248 * We've tried e.g. matching gitdir:~/work, but if
249 * ~/work is a symlink to /mnt/storage/work
250 * strbuf_realpath() will expand it, so the rule won't
251 * match. Let's match against a
252 * strbuf_add_absolute_path() version of the path,
253 * which'll do the right thing
256 strbuf_add_absolute_path(&text, git_dir);
257 already_tried_absolute = 1;
261 strbuf_release(&pattern);
262 strbuf_release(&text);
266 static int include_condition_is_true(const struct config_options *opts,
267 const char *cond, size_t cond_len)
270 if (skip_prefix_mem(cond, cond_len, "gitdir:", &cond, &cond_len))
271 return include_by_gitdir(opts, cond, cond_len, 0);
272 else if (skip_prefix_mem(cond, cond_len, "gitdir/i:", &cond, &cond_len))
273 return include_by_gitdir(opts, cond, cond_len, 1);
275 /* unknown conditionals are always false */
279 int git_config_include(const char *var, const char *value, void *data)
281 struct config_include_data *inc = data;
282 const char *cond, *key;
287 * Pass along all values, including "include" directives; this makes it
288 * possible to query information on the includes themselves.
290 ret = inc->fn(var, value, inc->data);
294 if (!strcmp(var, "include.path"))
295 ret = handle_path_include(value, inc);
297 if (!parse_config_key(var, "includeif", &cond, &cond_len, &key) &&
298 (cond && include_condition_is_true(inc->opts, cond, cond_len)) &&
299 !strcmp(key, "path"))
300 ret = handle_path_include(value, inc);
305 void git_config_push_parameter(const char *text)
307 struct strbuf env = STRBUF_INIT;
308 const char *old = getenv(CONFIG_DATA_ENVIRONMENT);
310 strbuf_addstr(&env, old);
311 strbuf_addch(&env, ' ');
313 sq_quote_buf(&env, text);
314 setenv(CONFIG_DATA_ENVIRONMENT, env.buf, 1);
315 strbuf_release(&env);
318 static inline int iskeychar(int c)
320 return isalnum(c) || c == '-';
324 * Auxiliary function to sanity-check and split the key into the section
325 * identifier and variable name.
327 * Returns 0 on success, -1 when there is an invalid character in the key and
328 * -2 if there is no section name in the key.
330 * store_key - pointer to char* which will hold a copy of the key with
331 * lowercase section and variable name
332 * baselen - pointer to int which will hold the length of the
333 * section + subsection part, can be NULL
335 static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet)
338 const char *last_dot = strrchr(key, '.');
341 * Since "key" actually contains the section name and the real
342 * key name separated by a dot, we have to know where the dot is.
345 if (last_dot == NULL || last_dot == key) {
347 error(_("key does not contain a section: %s"), key);
348 return -CONFIG_NO_SECTION_OR_NAME;
353 error(_("key does not contain variable name: %s"), key);
354 return -CONFIG_NO_SECTION_OR_NAME;
357 baselen = last_dot - key;
362 * Validate the key and while at it, lower case it for matching.
365 *store_key = xmallocz(strlen(key));
368 for (i = 0; key[i]; i++) {
369 unsigned char c = key[i];
372 /* Leave the extended basename untouched.. */
373 if (!dot || i > baselen) {
375 (i == baselen + 1 && !isalpha(c))) {
377 error(_("invalid key: %s"), key);
381 } else if (c == '\n') {
383 error(_("invalid key (newline): %s"), key);
394 FREE_AND_NULL(*store_key);
396 return -CONFIG_INVALID_KEY;
399 int git_config_parse_key(const char *key, char **store_key, int *baselen)
401 return git_config_parse_key_1(key, store_key, baselen, 0);
404 int git_config_key_is_valid(const char *key)
406 return !git_config_parse_key_1(key, NULL, NULL, 1);
409 int git_config_parse_parameter(const char *text,
410 config_fn_t fn, void *data)
413 char *canonical_name;
414 struct strbuf **pair;
417 pair = strbuf_split_str(text, '=', 2);
419 return error(_("bogus config parameter: %s"), text);
421 if (pair[0]->len && pair[0]->buf[pair[0]->len - 1] == '=') {
422 strbuf_setlen(pair[0], pair[0]->len - 1);
423 value = pair[1] ? pair[1]->buf : "";
428 strbuf_trim(pair[0]);
430 strbuf_list_free(pair);
431 return error(_("bogus config parameter: %s"), text);
434 if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) {
437 ret = (fn(canonical_name, value, data) < 0) ? -1 : 0;
438 free(canonical_name);
440 strbuf_list_free(pair);
444 int git_config_from_parameters(config_fn_t fn, void *data)
446 const char *env = getenv(CONFIG_DATA_ENVIRONMENT);
449 const char **argv = NULL;
450 int nr = 0, alloc = 0;
452 struct config_source source;
457 memset(&source, 0, sizeof(source));
459 source.origin_type = CONFIG_ORIGIN_CMDLINE;
462 /* sq_dequote will write over it */
465 if (sq_dequote_to_argv(envw, &argv, &nr, &alloc) < 0) {
466 ret = error(_("bogus format in %s"), CONFIG_DATA_ENVIRONMENT);
470 for (i = 0; i < nr; i++) {
471 if (git_config_parse_parameter(argv[i], fn, data) < 0) {
484 static int get_next_char(void)
486 int c = cf->do_fgetc(cf);
489 /* DOS like systems */
490 c = cf->do_fgetc(cf);
493 cf->do_ungetc(c, cf);
507 static char *parse_value(void)
509 int quote = 0, comment = 0, space = 0;
511 strbuf_reset(&cf->value);
513 int c = get_next_char();
519 return cf->value.buf;
523 if (isspace(c) && !quote) {
529 if (c == ';' || c == '#') {
534 for (; space; space--)
535 strbuf_addch(&cf->value, ' ');
550 /* Some characters escape as themselves */
553 /* Reject unknown escape sequences */
557 strbuf_addch(&cf->value, c);
564 strbuf_addch(&cf->value, c);
568 static int get_value(config_fn_t fn, void *data, struct strbuf *name)
574 /* Get the full name */
581 strbuf_addch(name, tolower(c));
584 while (c == ' ' || c == '\t')
591 value = parse_value();
596 * We already consumed the \n, but we need linenr to point to
597 * the line we just parsed during the call to fn to get
598 * accurate line number in error messages.
601 ret = fn(name->buf, value, data);
607 static int get_extended_base_var(struct strbuf *name, int c)
611 goto error_incomplete_line;
613 } while (isspace(c));
615 /* We require the format to be '[base "extension"]' */
618 strbuf_addch(name, '.');
621 int c = get_next_char();
623 goto error_incomplete_line;
629 goto error_incomplete_line;
631 strbuf_addch(name, c);
635 if (get_next_char() != ']')
638 error_incomplete_line:
643 static int get_base_var(struct strbuf *name)
646 int c = get_next_char();
652 return get_extended_base_var(name, c);
653 if (!iskeychar(c) && c != '.')
655 strbuf_addch(name, tolower(c));
659 struct parse_event_data {
660 enum config_event_t previous_type;
661 size_t previous_offset;
662 const struct config_options *opts;
665 static int do_event(enum config_event_t type, struct parse_event_data *data)
669 if (!data->opts || !data->opts->event_fn)
672 if (type == CONFIG_EVENT_WHITESPACE &&
673 data->previous_type == type)
676 offset = cf->do_ftell(cf);
678 * At EOF, the parser always "inserts" an extra '\n', therefore
679 * the end offset of the event is the current file position, otherwise
680 * we will already have advanced to the next event.
682 if (type != CONFIG_EVENT_EOF)
685 if (data->previous_type != CONFIG_EVENT_EOF &&
686 data->opts->event_fn(data->previous_type, data->previous_offset,
687 offset, data->opts->event_fn_data) < 0)
690 data->previous_type = type;
691 data->previous_offset = offset;
696 static int git_parse_source(config_fn_t fn, void *data,
697 const struct config_options *opts)
701 struct strbuf *var = &cf->var;
702 int error_return = 0;
703 char *error_msg = NULL;
705 /* U+FEFF Byte Order Mark in UTF8 */
706 const char *bomptr = utf8_bom;
708 /* For the parser event callback */
709 struct parse_event_data event_data = {
710 CONFIG_EVENT_EOF, 0, opts
717 if (bomptr && *bomptr) {
718 /* We are at the file beginning; skip UTF8-encoded BOM
719 * if present. Sane editors won't put this in on their
720 * own, but e.g. Windows Notepad will do it happily. */
721 if (c == (*bomptr & 0377)) {
725 /* Do not tolerate partial BOM. */
726 if (bomptr != utf8_bom)
728 /* No BOM at file beginning. Cool. */
734 if (do_event(CONFIG_EVENT_EOF, &event_data) < 0)
738 if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0)
746 if (do_event(CONFIG_EVENT_WHITESPACE, &event_data) < 0)
750 if (c == '#' || c == ';') {
751 if (do_event(CONFIG_EVENT_COMMENT, &event_data) < 0)
757 if (do_event(CONFIG_EVENT_SECTION, &event_data) < 0)
760 /* Reset prior to determining a new stem */
762 if (get_base_var(var) < 0 || var->len < 1)
764 strbuf_addch(var, '.');
771 if (do_event(CONFIG_EVENT_ENTRY, &event_data) < 0)
775 * Truncate the var name back to the section header
776 * stem prior to grabbing the suffix part of the name
779 strbuf_setlen(var, baselen);
780 strbuf_addch(var, tolower(c));
781 if (get_value(fn, data, var) < 0)
785 if (do_event(CONFIG_EVENT_ERROR, &event_data) < 0)
788 switch (cf->origin_type) {
789 case CONFIG_ORIGIN_BLOB:
790 error_msg = xstrfmt(_("bad config line %d in blob %s"),
791 cf->linenr, cf->name);
793 case CONFIG_ORIGIN_FILE:
794 error_msg = xstrfmt(_("bad config line %d in file %s"),
795 cf->linenr, cf->name);
797 case CONFIG_ORIGIN_STDIN:
798 error_msg = xstrfmt(_("bad config line %d in standard input"),
801 case CONFIG_ORIGIN_SUBMODULE_BLOB:
802 error_msg = xstrfmt(_("bad config line %d in submodule-blob %s"),
803 cf->linenr, cf->name);
805 case CONFIG_ORIGIN_CMDLINE:
806 error_msg = xstrfmt(_("bad config line %d in command line %s"),
807 cf->linenr, cf->name);
810 error_msg = xstrfmt(_("bad config line %d in %s"),
811 cf->linenr, cf->name);
814 switch (opts && opts->error_action ?
816 cf->default_error_action) {
817 case CONFIG_ERROR_DIE:
818 die("%s", error_msg);
820 case CONFIG_ERROR_ERROR:
821 error_return = error("%s", error_msg);
823 case CONFIG_ERROR_SILENT:
826 case CONFIG_ERROR_UNSET:
827 BUG("config error action unset");
834 static int parse_unit_factor(const char *end, uintmax_t *val)
838 else if (!strcasecmp(end, "k")) {
842 else if (!strcasecmp(end, "m")) {
846 else if (!strcasecmp(end, "g")) {
847 *val *= 1024 * 1024 * 1024;
853 static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max)
855 if (value && *value) {
859 uintmax_t factor = 1;
862 val = strtoimax(value, &end, 0);
865 if (!parse_unit_factor(end, &factor)) {
871 if (uval > max || labs(val) > uval) {
883 static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max)
885 if (value && *value) {
891 val = strtoumax(value, &end, 0);
895 if (!parse_unit_factor(end, &val)) {
899 if (val > max || oldval > val) {
910 static int git_parse_int(const char *value, int *ret)
913 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int)))
919 static int git_parse_int64(const char *value, int64_t *ret)
922 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(int64_t)))
928 int git_parse_ulong(const char *value, unsigned long *ret)
931 if (!git_parse_unsigned(value, &tmp, maximum_unsigned_value_of_type(long)))
937 int git_parse_ssize_t(const char *value, ssize_t *ret)
940 if (!git_parse_signed(value, &tmp, maximum_signed_value_of_type(ssize_t)))
947 static void die_bad_number(const char *name, const char *value)
949 const char * error_type = (errno == ERANGE)? _("out of range"):_("invalid unit");
954 if (!(cf && cf->name))
955 die(_("bad numeric config value '%s' for '%s': %s"),
956 value, name, error_type);
958 switch (cf->origin_type) {
959 case CONFIG_ORIGIN_BLOB:
960 die(_("bad numeric config value '%s' for '%s' in blob %s: %s"),
961 value, name, cf->name, error_type);
962 case CONFIG_ORIGIN_FILE:
963 die(_("bad numeric config value '%s' for '%s' in file %s: %s"),
964 value, name, cf->name, error_type);
965 case CONFIG_ORIGIN_STDIN:
966 die(_("bad numeric config value '%s' for '%s' in standard input: %s"),
967 value, name, error_type);
968 case CONFIG_ORIGIN_SUBMODULE_BLOB:
969 die(_("bad numeric config value '%s' for '%s' in submodule-blob %s: %s"),
970 value, name, cf->name, error_type);
971 case CONFIG_ORIGIN_CMDLINE:
972 die(_("bad numeric config value '%s' for '%s' in command line %s: %s"),
973 value, name, cf->name, error_type);
975 die(_("bad numeric config value '%s' for '%s' in %s: %s"),
976 value, name, cf->name, error_type);
980 int git_config_int(const char *name, const char *value)
983 if (!git_parse_int(value, &ret))
984 die_bad_number(name, value);
988 int64_t git_config_int64(const char *name, const char *value)
991 if (!git_parse_int64(value, &ret))
992 die_bad_number(name, value);
996 unsigned long git_config_ulong(const char *name, const char *value)
999 if (!git_parse_ulong(value, &ret))
1000 die_bad_number(name, value);
1004 ssize_t git_config_ssize_t(const char *name, const char *value)
1007 if (!git_parse_ssize_t(value, &ret))
1008 die_bad_number(name, value);
1012 static int git_parse_maybe_bool_text(const char *value)
1018 if (!strcasecmp(value, "true")
1019 || !strcasecmp(value, "yes")
1020 || !strcasecmp(value, "on"))
1022 if (!strcasecmp(value, "false")
1023 || !strcasecmp(value, "no")
1024 || !strcasecmp(value, "off"))
1029 int git_parse_maybe_bool(const char *value)
1031 int v = git_parse_maybe_bool_text(value);
1034 if (git_parse_int(value, &v))
1039 int git_config_bool_or_int(const char *name, const char *value, int *is_bool)
1041 int v = git_parse_maybe_bool_text(value);
1047 return git_config_int(name, value);
1050 int git_config_bool(const char *name, const char *value)
1053 return !!git_config_bool_or_int(name, value, &discard);
1056 int git_config_string(const char **dest, const char *var, const char *value)
1059 return config_error_nonbool(var);
1060 *dest = xstrdup(value);
1064 int git_config_pathname(const char **dest, const char *var, const char *value)
1067 return config_error_nonbool(var);
1068 *dest = expand_user_path(value, 0);
1070 die(_("failed to expand user dir in: '%s'"), value);
1074 int git_config_expiry_date(timestamp_t *timestamp, const char *var, const char *value)
1077 return config_error_nonbool(var);
1078 if (parse_expiry_date(value, timestamp))
1079 return error(_("'%s' for '%s' is not a valid timestamp"),
1084 int git_config_color(char *dest, const char *var, const char *value)
1087 return config_error_nonbool(var);
1088 if (color_parse(value, dest) < 0)
1093 static int git_default_core_config(const char *var, const char *value)
1095 /* This needs a better name */
1096 if (!strcmp(var, "core.filemode")) {
1097 trust_executable_bit = git_config_bool(var, value);
1100 if (!strcmp(var, "core.trustctime")) {
1101 trust_ctime = git_config_bool(var, value);
1104 if (!strcmp(var, "core.checkstat")) {
1105 if (!strcasecmp(value, "default"))
1107 else if (!strcasecmp(value, "minimal"))
1111 if (!strcmp(var, "core.quotepath")) {
1112 quote_path_fully = git_config_bool(var, value);
1116 if (!strcmp(var, "core.symlinks")) {
1117 has_symlinks = git_config_bool(var, value);
1121 if (!strcmp(var, "core.ignorecase")) {
1122 ignore_case = git_config_bool(var, value);
1126 if (!strcmp(var, "core.attributesfile"))
1127 return git_config_pathname(&git_attributes_file, var, value);
1129 if (!strcmp(var, "core.hookspath"))
1130 return git_config_pathname(&git_hooks_path, var, value);
1132 if (!strcmp(var, "core.bare")) {
1133 is_bare_repository_cfg = git_config_bool(var, value);
1137 if (!strcmp(var, "core.ignorestat")) {
1138 assume_unchanged = git_config_bool(var, value);
1142 if (!strcmp(var, "core.prefersymlinkrefs")) {
1143 prefer_symlink_refs = git_config_bool(var, value);
1147 if (!strcmp(var, "core.logallrefupdates")) {
1148 if (value && !strcasecmp(value, "always"))
1149 log_all_ref_updates = LOG_REFS_ALWAYS;
1150 else if (git_config_bool(var, value))
1151 log_all_ref_updates = LOG_REFS_NORMAL;
1153 log_all_ref_updates = LOG_REFS_NONE;
1157 if (!strcmp(var, "core.warnambiguousrefs")) {
1158 warn_ambiguous_refs = git_config_bool(var, value);
1162 if (!strcmp(var, "core.abbrev")) {
1164 return config_error_nonbool(var);
1165 if (!strcasecmp(value, "auto"))
1166 default_abbrev = -1;
1168 int abbrev = git_config_int(var, value);
1169 if (abbrev < minimum_abbrev || abbrev > 40)
1170 return error(_("abbrev length out of range: %d"), abbrev);
1171 default_abbrev = abbrev;
1176 if (!strcmp(var, "core.disambiguate"))
1177 return set_disambiguate_hint_config(var, value);
1179 if (!strcmp(var, "core.loosecompression")) {
1180 int level = git_config_int(var, value);
1182 level = Z_DEFAULT_COMPRESSION;
1183 else if (level < 0 || level > Z_BEST_COMPRESSION)
1184 die(_("bad zlib compression level %d"), level);
1185 zlib_compression_level = level;
1186 zlib_compression_seen = 1;
1190 if (!strcmp(var, "core.compression")) {
1191 int level = git_config_int(var, value);
1193 level = Z_DEFAULT_COMPRESSION;
1194 else if (level < 0 || level > Z_BEST_COMPRESSION)
1195 die(_("bad zlib compression level %d"), level);
1196 core_compression_level = level;
1197 core_compression_seen = 1;
1198 if (!zlib_compression_seen)
1199 zlib_compression_level = level;
1200 if (!pack_compression_seen)
1201 pack_compression_level = level;
1205 if (!strcmp(var, "core.packedgitwindowsize")) {
1206 int pgsz_x2 = getpagesize() * 2;
1207 packed_git_window_size = git_config_ulong(var, value);
1209 /* This value must be multiple of (pagesize * 2) */
1210 packed_git_window_size /= pgsz_x2;
1211 if (packed_git_window_size < 1)
1212 packed_git_window_size = 1;
1213 packed_git_window_size *= pgsz_x2;
1217 if (!strcmp(var, "core.bigfilethreshold")) {
1218 big_file_threshold = git_config_ulong(var, value);
1222 if (!strcmp(var, "core.packedgitlimit")) {
1223 packed_git_limit = git_config_ulong(var, value);
1227 if (!strcmp(var, "core.deltabasecachelimit")) {
1228 delta_base_cache_limit = git_config_ulong(var, value);
1232 if (!strcmp(var, "core.autocrlf")) {
1233 if (value && !strcasecmp(value, "input")) {
1234 auto_crlf = AUTO_CRLF_INPUT;
1237 auto_crlf = git_config_bool(var, value);
1241 if (!strcmp(var, "core.safecrlf")) {
1243 if (value && !strcasecmp(value, "warn")) {
1244 global_conv_flags_eol = CONV_EOL_RNDTRP_WARN;
1247 eol_rndtrp_die = git_config_bool(var, value);
1248 global_conv_flags_eol = eol_rndtrp_die ?
1249 CONV_EOL_RNDTRP_DIE : 0;
1253 if (!strcmp(var, "core.eol")) {
1254 if (value && !strcasecmp(value, "lf"))
1256 else if (value && !strcasecmp(value, "crlf"))
1257 core_eol = EOL_CRLF;
1258 else if (value && !strcasecmp(value, "native"))
1259 core_eol = EOL_NATIVE;
1261 core_eol = EOL_UNSET;
1265 if (!strcmp(var, "core.checkroundtripencoding")) {
1266 check_roundtrip_encoding = xstrdup(value);
1270 if (!strcmp(var, "core.notesref")) {
1271 notes_ref_name = xstrdup(value);
1275 if (!strcmp(var, "core.editor"))
1276 return git_config_string(&editor_program, var, value);
1278 if (!strcmp(var, "core.commentchar")) {
1280 return config_error_nonbool(var);
1281 else if (!strcasecmp(value, "auto"))
1282 auto_comment_line_char = 1;
1283 else if (value[0] && !value[1]) {
1284 comment_line_char = value[0];
1285 auto_comment_line_char = 0;
1287 return error(_("core.commentChar should only be one character"));
1291 if (!strcmp(var, "core.askpass"))
1292 return git_config_string(&askpass_program, var, value);
1294 if (!strcmp(var, "core.excludesfile"))
1295 return git_config_pathname(&excludes_file, var, value);
1297 if (!strcmp(var, "core.whitespace")) {
1299 return config_error_nonbool(var);
1300 whitespace_rule_cfg = parse_whitespace_rule(value);
1304 if (!strcmp(var, "core.fsyncobjectfiles")) {
1305 fsync_object_files = git_config_bool(var, value);
1309 if (!strcmp(var, "core.preloadindex")) {
1310 core_preload_index = git_config_bool(var, value);
1314 if (!strcmp(var, "core.createobject")) {
1315 if (!strcmp(value, "rename"))
1316 object_creation_mode = OBJECT_CREATION_USES_RENAMES;
1317 else if (!strcmp(value, "link"))
1318 object_creation_mode = OBJECT_CREATION_USES_HARDLINKS;
1320 die(_("invalid mode for object creation: %s"), value);
1324 if (!strcmp(var, "core.sparsecheckout")) {
1325 core_apply_sparse_checkout = git_config_bool(var, value);
1329 if (!strcmp(var, "core.precomposeunicode")) {
1330 precomposed_unicode = git_config_bool(var, value);
1334 if (!strcmp(var, "core.protecthfs")) {
1335 protect_hfs = git_config_bool(var, value);
1339 if (!strcmp(var, "core.protectntfs")) {
1340 protect_ntfs = git_config_bool(var, value);
1344 if (!strcmp(var, "core.hidedotfiles")) {
1345 if (value && !strcasecmp(value, "dotgitonly"))
1346 hide_dotfiles = HIDE_DOTFILES_DOTGITONLY;
1348 hide_dotfiles = git_config_bool(var, value);
1352 if (!strcmp(var, "core.partialclonefilter")) {
1353 return git_config_string(&core_partial_clone_filter_default,
1357 if (!strcmp(var, "core.usereplacerefs")) {
1358 read_replace_refs = git_config_bool(var, value);
1362 /* Add other config variables here and to Documentation/config.txt. */
1366 static int git_default_i18n_config(const char *var, const char *value)
1368 if (!strcmp(var, "i18n.commitencoding"))
1369 return git_config_string(&git_commit_encoding, var, value);
1371 if (!strcmp(var, "i18n.logoutputencoding"))
1372 return git_config_string(&git_log_output_encoding, var, value);
1374 /* Add other config variables here and to Documentation/config.txt. */
1378 static int git_default_branch_config(const char *var, const char *value)
1380 if (!strcmp(var, "branch.autosetupmerge")) {
1381 if (value && !strcasecmp(value, "always")) {
1382 git_branch_track = BRANCH_TRACK_ALWAYS;
1385 git_branch_track = git_config_bool(var, value);
1388 if (!strcmp(var, "branch.autosetuprebase")) {
1390 return config_error_nonbool(var);
1391 else if (!strcmp(value, "never"))
1392 autorebase = AUTOREBASE_NEVER;
1393 else if (!strcmp(value, "local"))
1394 autorebase = AUTOREBASE_LOCAL;
1395 else if (!strcmp(value, "remote"))
1396 autorebase = AUTOREBASE_REMOTE;
1397 else if (!strcmp(value, "always"))
1398 autorebase = AUTOREBASE_ALWAYS;
1400 return error(_("malformed value for %s"), var);
1404 /* Add other config variables here and to Documentation/config.txt. */
1408 static int git_default_push_config(const char *var, const char *value)
1410 if (!strcmp(var, "push.default")) {
1412 return config_error_nonbool(var);
1413 else if (!strcmp(value, "nothing"))
1414 push_default = PUSH_DEFAULT_NOTHING;
1415 else if (!strcmp(value, "matching"))
1416 push_default = PUSH_DEFAULT_MATCHING;
1417 else if (!strcmp(value, "simple"))
1418 push_default = PUSH_DEFAULT_SIMPLE;
1419 else if (!strcmp(value, "upstream"))
1420 push_default = PUSH_DEFAULT_UPSTREAM;
1421 else if (!strcmp(value, "tracking")) /* deprecated */
1422 push_default = PUSH_DEFAULT_UPSTREAM;
1423 else if (!strcmp(value, "current"))
1424 push_default = PUSH_DEFAULT_CURRENT;
1426 error(_("malformed value for %s: %s"), var, value);
1427 return error(_("must be one of nothing, matching, simple, "
1428 "upstream or current"));
1433 /* Add other config variables here and to Documentation/config.txt. */
1437 static int git_default_mailmap_config(const char *var, const char *value)
1439 if (!strcmp(var, "mailmap.file"))
1440 return git_config_pathname(&git_mailmap_file, var, value);
1441 if (!strcmp(var, "mailmap.blob"))
1442 return git_config_string(&git_mailmap_blob, var, value);
1444 /* Add other config variables here and to Documentation/config.txt. */
1448 int git_default_config(const char *var, const char *value, void *dummy)
1450 if (starts_with(var, "core."))
1451 return git_default_core_config(var, value);
1453 if (starts_with(var, "user."))
1454 return git_ident_config(var, value, dummy);
1456 if (starts_with(var, "i18n."))
1457 return git_default_i18n_config(var, value);
1459 if (starts_with(var, "branch."))
1460 return git_default_branch_config(var, value);
1462 if (starts_with(var, "push."))
1463 return git_default_push_config(var, value);
1465 if (starts_with(var, "mailmap."))
1466 return git_default_mailmap_config(var, value);
1468 if (starts_with(var, "advice.") || starts_with(var, "color.advice"))
1469 return git_default_advice_config(var, value);
1471 if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
1472 pager_use_color = git_config_bool(var,value);
1476 if (!strcmp(var, "pack.packsizelimit")) {
1477 pack_size_limit_cfg = git_config_ulong(var, value);
1481 if (!strcmp(var, "pack.compression")) {
1482 int level = git_config_int(var, value);
1484 level = Z_DEFAULT_COMPRESSION;
1485 else if (level < 0 || level > Z_BEST_COMPRESSION)
1486 die(_("bad pack compression level %d"), level);
1487 pack_compression_level = level;
1488 pack_compression_seen = 1;
1492 /* Add other config variables here and to Documentation/config.txt. */
1497 * All source specific fields in the union, die_on_error, name and the callbacks
1498 * fgetc, ungetc, ftell of top need to be initialized before calling
1501 static int do_config_from(struct config_source *top, config_fn_t fn, void *data,
1502 const struct config_options *opts)
1506 /* push config-file parsing state stack */
1510 strbuf_init(&top->value, 1024);
1511 strbuf_init(&top->var, 1024);
1514 ret = git_parse_source(fn, data, opts);
1516 /* pop config-file parsing state stack */
1517 strbuf_release(&top->value);
1518 strbuf_release(&top->var);
1524 static int do_config_from_file(config_fn_t fn,
1525 const enum config_origin_type origin_type,
1526 const char *name, const char *path, FILE *f,
1527 void *data, const struct config_options *opts)
1529 struct config_source top;
1533 top.origin_type = origin_type;
1536 top.default_error_action = CONFIG_ERROR_DIE;
1537 top.do_fgetc = config_file_fgetc;
1538 top.do_ungetc = config_file_ungetc;
1539 top.do_ftell = config_file_ftell;
1542 ret = do_config_from(&top, fn, data, opts);
1547 static int git_config_from_stdin(config_fn_t fn, void *data)
1549 return do_config_from_file(fn, CONFIG_ORIGIN_STDIN, "", NULL, stdin,
1553 int git_config_from_file_with_options(config_fn_t fn, const char *filename,
1555 const struct config_options *opts)
1560 f = fopen_or_warn(filename, "r");
1562 ret = do_config_from_file(fn, CONFIG_ORIGIN_FILE, filename,
1563 filename, f, data, opts);
1569 int git_config_from_file(config_fn_t fn, const char *filename, void *data)
1571 return git_config_from_file_with_options(fn, filename, data, NULL);
1574 int git_config_from_mem(config_fn_t fn,
1575 const enum config_origin_type origin_type,
1576 const char *name, const char *buf, size_t len,
1577 void *data, const struct config_options *opts)
1579 struct config_source top;
1581 top.u.buf.buf = buf;
1582 top.u.buf.len = len;
1584 top.origin_type = origin_type;
1587 top.default_error_action = CONFIG_ERROR_ERROR;
1588 top.do_fgetc = config_buf_fgetc;
1589 top.do_ungetc = config_buf_ungetc;
1590 top.do_ftell = config_buf_ftell;
1592 return do_config_from(&top, fn, data, opts);
1595 int git_config_from_blob_oid(config_fn_t fn,
1597 const struct object_id *oid,
1600 enum object_type type;
1605 buf = read_object_file(oid, &type, &size);
1607 return error(_("unable to load config blob object '%s'"), name);
1608 if (type != OBJ_BLOB) {
1610 return error(_("reference '%s' does not point to a blob"), name);
1613 ret = git_config_from_mem(fn, CONFIG_ORIGIN_BLOB, name, buf, size,
1620 static int git_config_from_blob_ref(config_fn_t fn,
1624 struct object_id oid;
1626 if (get_oid(name, &oid) < 0)
1627 return error(_("unable to resolve config blob '%s'"), name);
1628 return git_config_from_blob_oid(fn, name, &oid, data);
1631 const char *git_etc_gitconfig(void)
1633 static const char *system_wide;
1635 system_wide = system_path(ETC_GITCONFIG);
1640 * Parse environment variable 'k' as a boolean (in various
1641 * possible spellings); if missing, use the default value 'def'.
1643 int git_env_bool(const char *k, int def)
1645 const char *v = getenv(k);
1646 return v ? git_config_bool(k, v) : def;
1650 * Parse environment variable 'k' as ulong with possibly a unit
1651 * suffix; if missing, use the default value 'val'.
1653 unsigned long git_env_ulong(const char *k, unsigned long val)
1655 const char *v = getenv(k);
1656 if (v && !git_parse_ulong(v, &val))
1657 die(_("failed to parse %s"), k);
1661 int git_config_system(void)
1663 return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);
1666 static int do_git_config_sequence(const struct config_options *opts,
1667 config_fn_t fn, void *data)
1670 char *xdg_config = xdg_config_home("config");
1671 char *user_config = expand_user_path("~/.gitconfig", 0);
1674 if (opts->commondir)
1675 repo_config = mkpathdup("%s/config", opts->commondir);
1679 current_parsing_scope = CONFIG_SCOPE_SYSTEM;
1680 if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0))
1681 ret += git_config_from_file(fn, git_etc_gitconfig(),
1684 current_parsing_scope = CONFIG_SCOPE_GLOBAL;
1685 if (xdg_config && !access_or_die(xdg_config, R_OK, ACCESS_EACCES_OK))
1686 ret += git_config_from_file(fn, xdg_config, data);
1688 if (user_config && !access_or_die(user_config, R_OK, ACCESS_EACCES_OK))
1689 ret += git_config_from_file(fn, user_config, data);
1691 current_parsing_scope = CONFIG_SCOPE_REPO;
1692 if (repo_config && !access_or_die(repo_config, R_OK, 0))
1693 ret += git_config_from_file(fn, repo_config, data);
1695 current_parsing_scope = CONFIG_SCOPE_CMDLINE;
1696 if (git_config_from_parameters(fn, data) < 0)
1697 die(_("unable to parse command-line config"));
1699 current_parsing_scope = CONFIG_SCOPE_UNKNOWN;
1706 int config_with_options(config_fn_t fn, void *data,
1707 struct git_config_source *config_source,
1708 const struct config_options *opts)
1710 struct config_include_data inc = CONFIG_INCLUDE_INIT;
1712 if (opts->respect_includes) {
1716 fn = git_config_include;
1721 * If we have a specific filename, use it. Otherwise, follow the
1722 * regular lookup sequence.
1724 if (config_source && config_source->use_stdin)
1725 return git_config_from_stdin(fn, data);
1726 else if (config_source && config_source->file)
1727 return git_config_from_file(fn, config_source->file, data);
1728 else if (config_source && config_source->blob)
1729 return git_config_from_blob_ref(fn, config_source->blob, data);
1731 return do_git_config_sequence(opts, fn, data);
1734 static void configset_iter(struct config_set *cs, config_fn_t fn, void *data)
1737 struct string_list *values;
1738 struct config_set_element *entry;
1739 struct configset_list *list = &cs->list;
1741 for (i = 0; i < list->nr; i++) {
1742 entry = list->items[i].e;
1743 value_index = list->items[i].value_index;
1744 values = &entry->value_list;
1746 current_config_kvi = values->items[value_index].util;
1748 if (fn(entry->key, values->items[value_index].string, data) < 0)
1749 git_die_config_linenr(entry->key,
1750 current_config_kvi->filename,
1751 current_config_kvi->linenr);
1753 current_config_kvi = NULL;
1757 void read_early_config(config_fn_t cb, void *data)
1759 struct config_options opts = {0};
1760 struct strbuf commondir = STRBUF_INIT;
1761 struct strbuf gitdir = STRBUF_INIT;
1763 opts.respect_includes = 1;
1765 if (have_git_dir()) {
1766 opts.commondir = get_git_common_dir();
1767 opts.git_dir = get_git_dir();
1769 * When setup_git_directory() was not yet asked to discover the
1770 * GIT_DIR, we ask discover_git_directory() to figure out whether there
1771 * is any repository config we should use (but unlike
1772 * setup_git_directory_gently(), no global state is changed, most
1773 * notably, the current working directory is still the same after the
1776 } else if (!discover_git_directory(&commondir, &gitdir)) {
1777 opts.commondir = commondir.buf;
1778 opts.git_dir = gitdir.buf;
1781 config_with_options(cb, data, NULL, &opts);
1783 strbuf_release(&commondir);
1784 strbuf_release(&gitdir);
1787 static struct config_set_element *configset_find_element(struct config_set *cs, const char *key)
1789 struct config_set_element k;
1790 struct config_set_element *found_entry;
1791 char *normalized_key;
1793 * `key` may come from the user, so normalize it before using it
1794 * for querying entries from the hashmap.
1796 if (git_config_parse_key(key, &normalized_key, NULL))
1799 hashmap_entry_init(&k, strhash(normalized_key));
1800 k.key = normalized_key;
1801 found_entry = hashmap_get(&cs->config_hash, &k, NULL);
1802 free(normalized_key);
1806 static int configset_add_value(struct config_set *cs, const char *key, const char *value)
1808 struct config_set_element *e;
1809 struct string_list_item *si;
1810 struct configset_list_item *l_item;
1811 struct key_value_info *kv_info = xmalloc(sizeof(*kv_info));
1813 e = configset_find_element(cs, key);
1815 * Since the keys are being fed by git_config*() callback mechanism, they
1816 * are already normalized. So simply add them without any further munging.
1819 e = xmalloc(sizeof(*e));
1820 hashmap_entry_init(e, strhash(key));
1821 e->key = xstrdup(key);
1822 string_list_init(&e->value_list, 1);
1823 hashmap_add(&cs->config_hash, e);
1825 si = string_list_append_nodup(&e->value_list, xstrdup_or_null(value));
1827 ALLOC_GROW(cs->list.items, cs->list.nr + 1, cs->list.alloc);
1828 l_item = &cs->list.items[cs->list.nr++];
1830 l_item->value_index = e->value_list.nr - 1;
1833 BUG("configset_add_value has no source");
1835 kv_info->filename = strintern(cf->name);
1836 kv_info->linenr = cf->linenr;
1837 kv_info->origin_type = cf->origin_type;
1839 /* for values read from `git_config_from_parameters()` */
1840 kv_info->filename = NULL;
1841 kv_info->linenr = -1;
1842 kv_info->origin_type = CONFIG_ORIGIN_CMDLINE;
1844 kv_info->scope = current_parsing_scope;
1850 static int config_set_element_cmp(const void *unused_cmp_data,
1852 const void *entry_or_key,
1853 const void *unused_keydata)
1855 const struct config_set_element *e1 = entry;
1856 const struct config_set_element *e2 = entry_or_key;
1858 return strcmp(e1->key, e2->key);
1861 void git_configset_init(struct config_set *cs)
1863 hashmap_init(&cs->config_hash, config_set_element_cmp, NULL, 0);
1864 cs->hash_initialized = 1;
1867 cs->list.items = NULL;
1870 void git_configset_clear(struct config_set *cs)
1872 struct config_set_element *entry;
1873 struct hashmap_iter iter;
1874 if (!cs->hash_initialized)
1877 hashmap_iter_init(&cs->config_hash, &iter);
1878 while ((entry = hashmap_iter_next(&iter))) {
1880 string_list_clear(&entry->value_list, 1);
1882 hashmap_free(&cs->config_hash, 1);
1883 cs->hash_initialized = 0;
1884 free(cs->list.items);
1887 cs->list.items = NULL;
1890 static int config_set_callback(const char *key, const char *value, void *cb)
1892 struct config_set *cs = cb;
1893 configset_add_value(cs, key, value);
1897 int git_configset_add_file(struct config_set *cs, const char *filename)
1899 return git_config_from_file(config_set_callback, filename, cs);
1902 int git_configset_get_value(struct config_set *cs, const char *key, const char **value)
1904 const struct string_list *values = NULL;
1906 * Follows "last one wins" semantic, i.e., if there are multiple matches for the
1907 * queried key in the files of the configset, the value returned will be the last
1908 * value in the value list for that key.
1910 values = git_configset_get_value_multi(cs, key);
1914 assert(values->nr > 0);
1915 *value = values->items[values->nr - 1].string;
1919 const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key)
1921 struct config_set_element *e = configset_find_element(cs, key);
1922 return e ? &e->value_list : NULL;
1925 int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest)
1928 if (!git_configset_get_value(cs, key, &value))
1929 return git_config_string(dest, key, value);
1934 int git_configset_get_string(struct config_set *cs, const char *key, char **dest)
1936 return git_configset_get_string_const(cs, key, (const char **)dest);
1939 int git_configset_get_int(struct config_set *cs, const char *key, int *dest)
1942 if (!git_configset_get_value(cs, key, &value)) {
1943 *dest = git_config_int(key, value);
1949 int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest)
1952 if (!git_configset_get_value(cs, key, &value)) {
1953 *dest = git_config_ulong(key, value);
1959 int git_configset_get_bool(struct config_set *cs, const char *key, int *dest)
1962 if (!git_configset_get_value(cs, key, &value)) {
1963 *dest = git_config_bool(key, value);
1969 int git_configset_get_bool_or_int(struct config_set *cs, const char *key,
1970 int *is_bool, int *dest)
1973 if (!git_configset_get_value(cs, key, &value)) {
1974 *dest = git_config_bool_or_int(key, value, is_bool);
1980 int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest)
1983 if (!git_configset_get_value(cs, key, &value)) {
1984 *dest = git_parse_maybe_bool(value);
1992 int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest)
1995 if (!git_configset_get_value(cs, key, &value))
1996 return git_config_pathname(dest, key, value);
2001 /* Functions use to read configuration from a repository */
2002 static void repo_read_config(struct repository *repo)
2004 struct config_options opts;
2006 opts.respect_includes = 1;
2007 opts.commondir = repo->commondir;
2008 opts.git_dir = repo->gitdir;
2011 repo->config = xcalloc(1, sizeof(struct config_set));
2013 git_configset_clear(repo->config);
2015 git_configset_init(repo->config);
2017 if (config_with_options(config_set_callback, repo->config, NULL, &opts) < 0)
2019 * config_with_options() normally returns only
2020 * zero, as most errors are fatal, and
2021 * non-fatal potential errors are guarded by "if"
2022 * statements that are entered only when no error is
2025 * If we ever encounter a non-fatal error, it means
2026 * something went really wrong and we should stop
2029 die(_("unknown error occurred while reading the configuration files"));
2032 static void git_config_check_init(struct repository *repo)
2034 if (repo->config && repo->config->hash_initialized)
2036 repo_read_config(repo);
2039 static void repo_config_clear(struct repository *repo)
2041 if (!repo->config || !repo->config->hash_initialized)
2043 git_configset_clear(repo->config);
2046 void repo_config(struct repository *repo, config_fn_t fn, void *data)
2048 git_config_check_init(repo);
2049 configset_iter(repo->config, fn, data);
2052 int repo_config_get_value(struct repository *repo,
2053 const char *key, const char **value)
2055 git_config_check_init(repo);
2056 return git_configset_get_value(repo->config, key, value);
2059 const struct string_list *repo_config_get_value_multi(struct repository *repo,
2062 git_config_check_init(repo);
2063 return git_configset_get_value_multi(repo->config, key);
2066 int repo_config_get_string_const(struct repository *repo,
2067 const char *key, const char **dest)
2070 git_config_check_init(repo);
2071 ret = git_configset_get_string_const(repo->config, key, dest);
2073 git_die_config(key, NULL);
2077 int repo_config_get_string(struct repository *repo,
2078 const char *key, char **dest)
2080 git_config_check_init(repo);
2081 return repo_config_get_string_const(repo, key, (const char **)dest);
2084 int repo_config_get_int(struct repository *repo,
2085 const char *key, int *dest)
2087 git_config_check_init(repo);
2088 return git_configset_get_int(repo->config, key, dest);
2091 int repo_config_get_ulong(struct repository *repo,
2092 const char *key, unsigned long *dest)
2094 git_config_check_init(repo);
2095 return git_configset_get_ulong(repo->config, key, dest);
2098 int repo_config_get_bool(struct repository *repo,
2099 const char *key, int *dest)
2101 git_config_check_init(repo);
2102 return git_configset_get_bool(repo->config, key, dest);
2105 int repo_config_get_bool_or_int(struct repository *repo,
2106 const char *key, int *is_bool, int *dest)
2108 git_config_check_init(repo);
2109 return git_configset_get_bool_or_int(repo->config, key, is_bool, dest);
2112 int repo_config_get_maybe_bool(struct repository *repo,
2113 const char *key, int *dest)
2115 git_config_check_init(repo);
2116 return git_configset_get_maybe_bool(repo->config, key, dest);
2119 int repo_config_get_pathname(struct repository *repo,
2120 const char *key, const char **dest)
2123 git_config_check_init(repo);
2124 ret = git_configset_get_pathname(repo->config, key, dest);
2126 git_die_config(key, NULL);
2130 /* Functions used historically to read configuration from 'the_repository' */
2131 void git_config(config_fn_t fn, void *data)
2133 repo_config(the_repository, fn, data);
2136 void git_config_clear(void)
2138 repo_config_clear(the_repository);
2141 int git_config_get_value(const char *key, const char **value)
2143 return repo_config_get_value(the_repository, key, value);
2146 const struct string_list *git_config_get_value_multi(const char *key)
2148 return repo_config_get_value_multi(the_repository, key);
2151 int git_config_get_string_const(const char *key, const char **dest)
2153 return repo_config_get_string_const(the_repository, key, dest);
2156 int git_config_get_string(const char *key, char **dest)
2158 return repo_config_get_string(the_repository, key, dest);
2161 int git_config_get_int(const char *key, int *dest)
2163 return repo_config_get_int(the_repository, key, dest);
2166 int git_config_get_ulong(const char *key, unsigned long *dest)
2168 return repo_config_get_ulong(the_repository, key, dest);
2171 int git_config_get_bool(const char *key, int *dest)
2173 return repo_config_get_bool(the_repository, key, dest);
2176 int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest)
2178 return repo_config_get_bool_or_int(the_repository, key, is_bool, dest);
2181 int git_config_get_maybe_bool(const char *key, int *dest)
2183 return repo_config_get_maybe_bool(the_repository, key, dest);
2186 int git_config_get_pathname(const char *key, const char **dest)
2188 return repo_config_get_pathname(the_repository, key, dest);
2191 int git_config_get_expiry(const char *key, const char **output)
2193 int ret = git_config_get_string_const(key, output);
2196 if (strcmp(*output, "now")) {
2197 timestamp_t now = approxidate("now");
2198 if (approxidate(*output) >= now)
2199 git_die_config(key, _("Invalid %s: '%s'"), key, *output);
2204 int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now)
2206 char *expiry_string;
2210 if (git_config_get_string(key, &expiry_string))
2211 return 1; /* no such thing */
2213 if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) {
2214 const int scale = 86400;
2215 *expiry = now - days * scale;
2219 if (!parse_expiry_date(expiry_string, &when)) {
2223 return -1; /* thing exists but cannot be parsed */
2226 int git_config_get_untracked_cache(void)
2231 /* Hack for test programs like test-dump-untracked-cache */
2232 if (ignore_untracked_cache_config)
2235 if (!git_config_get_maybe_bool("core.untrackedcache", &val))
2238 if (!git_config_get_value("core.untrackedcache", &v)) {
2239 if (!strcasecmp(v, "keep"))
2242 error(_("unknown core.untrackedCache value '%s'; "
2243 "using 'keep' default value"), v);
2247 return -1; /* default value */
2250 int git_config_get_split_index(void)
2254 if (!git_config_get_maybe_bool("core.splitindex", &val))
2257 return -1; /* default value */
2260 int git_config_get_max_percent_split_change(void)
2264 if (!git_config_get_int("splitindex.maxpercentchange", &val)) {
2265 if (0 <= val && val <= 100)
2268 return error(_("splitIndex.maxPercentChange value '%d' "
2269 "should be between 0 and 100"), val);
2272 return -1; /* default value */
2275 int git_config_get_fsmonitor(void)
2277 if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor))
2278 core_fsmonitor = getenv("GIT_FSMONITOR_TEST");
2280 if (core_fsmonitor && !*core_fsmonitor)
2281 core_fsmonitor = NULL;
2290 void git_die_config_linenr(const char *key, const char *filename, int linenr)
2293 die(_("unable to parse '%s' from command-line config"), key);
2295 die(_("bad config variable '%s' in file '%s' at line %d"),
2296 key, filename, linenr);
2299 NORETURN __attribute__((format(printf, 2, 3)))
2300 void git_die_config(const char *key, const char *err, ...)
2302 const struct string_list *values;
2303 struct key_value_info *kv_info;
2307 va_start(params, err);
2308 vreportf("error: ", err, params);
2311 values = git_config_get_value_multi(key);
2312 kv_info = values->items[values->nr - 1].util;
2313 git_die_config_linenr(key, kv_info->filename, kv_info->linenr);
2317 * Find all the stuff for git_config_set() below.
2320 struct config_store_data {
2324 regex_t *value_regex;
2328 enum config_event_t type;
2329 int is_keys_section;
2331 unsigned int parsed_nr, parsed_alloc, *seen, seen_nr, seen_alloc;
2332 unsigned int key_seen:1, section_seen:1, is_keys_section:1;
2335 static void config_store_data_clear(struct config_store_data *store)
2338 if (store->value_regex != NULL &&
2339 store->value_regex != CONFIG_REGEX_NONE) {
2340 regfree(store->value_regex);
2341 free(store->value_regex);
2343 free(store->parsed);
2345 memset(store, 0, sizeof(*store));
2348 static int matches(const char *key, const char *value,
2349 const struct config_store_data *store)
2351 if (strcmp(key, store->key))
2352 return 0; /* not ours */
2353 if (!store->value_regex)
2354 return 1; /* always matches */
2355 if (store->value_regex == CONFIG_REGEX_NONE)
2356 return 0; /* never matches */
2358 return store->do_not_match ^
2359 (value && !regexec(store->value_regex, value, 0, NULL, 0));
2362 static int store_aux_event(enum config_event_t type,
2363 size_t begin, size_t end, void *data)
2365 struct config_store_data *store = data;
2367 ALLOC_GROW(store->parsed, store->parsed_nr + 1, store->parsed_alloc);
2368 store->parsed[store->parsed_nr].begin = begin;
2369 store->parsed[store->parsed_nr].end = end;
2370 store->parsed[store->parsed_nr].type = type;
2372 if (type == CONFIG_EVENT_SECTION) {
2373 if (cf->var.len < 2 || cf->var.buf[cf->var.len - 1] != '.')
2374 return error(_("invalid section name '%s'"), cf->var.buf);
2376 /* Is this the section we were looking for? */
2377 store->is_keys_section =
2378 store->parsed[store->parsed_nr].is_keys_section =
2379 cf->var.len - 1 == store->baselen &&
2380 !strncasecmp(cf->var.buf, store->key, store->baselen);
2381 if (store->is_keys_section) {
2382 store->section_seen = 1;
2383 ALLOC_GROW(store->seen, store->seen_nr + 1,
2385 store->seen[store->seen_nr] = store->parsed_nr;
2394 static int store_aux(const char *key, const char *value, void *cb)
2396 struct config_store_data *store = cb;
2398 if (store->key_seen) {
2399 if (matches(key, value, store)) {
2400 if (store->seen_nr == 1 && store->multi_replace == 0) {
2401 warning(_("%s has multiple values"), key);
2404 ALLOC_GROW(store->seen, store->seen_nr + 1,
2407 store->seen[store->seen_nr] = store->parsed_nr;
2410 } else if (store->is_keys_section) {
2412 * Do not increment matches yet: this may not be a match, but we
2413 * are in the desired section.
2415 ALLOC_GROW(store->seen, store->seen_nr + 1, store->seen_alloc);
2416 store->seen[store->seen_nr] = store->parsed_nr;
2417 store->section_seen = 1;
2419 if (matches(key, value, store)) {
2421 store->key_seen = 1;
2428 static int write_error(const char *filename)
2430 error(_("failed to write new configuration file %s"), filename);
2432 /* Same error code as "failed to rename". */
2436 static struct strbuf store_create_section(const char *key,
2437 const struct config_store_data *store)
2441 struct strbuf sb = STRBUF_INIT;
2443 dot = memchr(key, '.', store->baselen);
2445 strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key);
2446 for (i = dot - key + 1; i < store->baselen; i++) {
2447 if (key[i] == '"' || key[i] == '\\')
2448 strbuf_addch(&sb, '\\');
2449 strbuf_addch(&sb, key[i]);
2451 strbuf_addstr(&sb, "\"]\n");
2453 strbuf_addf(&sb, "[%.*s]\n", store->baselen, key);
2459 static ssize_t write_section(int fd, const char *key,
2460 const struct config_store_data *store)
2462 struct strbuf sb = store_create_section(key, store);
2465 ret = write_in_full(fd, sb.buf, sb.len);
2466 strbuf_release(&sb);
2471 static ssize_t write_pair(int fd, const char *key, const char *value,
2472 const struct config_store_data *store)
2476 int length = strlen(key + store->baselen + 1);
2477 const char *quote = "";
2478 struct strbuf sb = STRBUF_INIT;
2481 * Check to see if the value needs to be surrounded with a dq pair.
2482 * Note that problematic characters are always backslash-quoted; this
2483 * check is about not losing leading or trailing SP and strings that
2484 * follow beginning-of-comment characters (i.e. ';' and '#') by the
2485 * configuration parser.
2487 if (value[0] == ' ')
2489 for (i = 0; value[i]; i++)
2490 if (value[i] == ';' || value[i] == '#')
2492 if (i && value[i - 1] == ' ')
2495 strbuf_addf(&sb, "\t%.*s = %s",
2496 length, key + store->baselen + 1, quote);
2498 for (i = 0; value[i]; i++)
2501 strbuf_addstr(&sb, "\\n");
2504 strbuf_addstr(&sb, "\\t");
2508 strbuf_addch(&sb, '\\');
2511 strbuf_addch(&sb, value[i]);
2514 strbuf_addf(&sb, "%s\n", quote);
2516 ret = write_in_full(fd, sb.buf, sb.len);
2517 strbuf_release(&sb);
2523 * If we are about to unset the last key(s) in a section, and if there are
2524 * no comments surrounding (or included in) the section, we will want to
2525 * extend begin/end to remove the entire section.
2527 * Note: the parameter `seen_ptr` points to the index into the store.seen
2528 * array. * This index may be incremented if a section has more than one
2529 * entry (which all are to be removed).
2531 static void maybe_remove_section(struct config_store_data *store,
2532 const char *contents,
2533 size_t *begin_offset, size_t *end_offset,
2537 int i, seen, section_seen = 0;
2540 * First, ensure that this is the first key, and that there are no
2541 * comments before the entry nor before the section header.
2544 for (i = store->seen[seen]; i > 0; i--) {
2545 enum config_event_t type = store->parsed[i - 1].type;
2547 if (type == CONFIG_EVENT_COMMENT)
2548 /* There is a comment before this entry or section */
2550 if (type == CONFIG_EVENT_ENTRY) {
2552 /* This is not the section's first entry. */
2554 /* We encountered no comment before the section. */
2557 if (type == CONFIG_EVENT_SECTION) {
2558 if (!store->parsed[i - 1].is_keys_section)
2563 begin = store->parsed[i].begin;
2566 * Next, make sure that we are removing he last key(s) in the section,
2567 * and that there are no comments that are possibly about the current
2570 for (i = store->seen[seen] + 1; i < store->parsed_nr; i++) {
2571 enum config_event_t type = store->parsed[i].type;
2573 if (type == CONFIG_EVENT_COMMENT)
2575 if (type == CONFIG_EVENT_SECTION) {
2576 if (store->parsed[i].is_keys_section)
2580 if (type == CONFIG_EVENT_ENTRY) {
2581 if (++seen < store->seen_nr &&
2582 i == store->seen[seen])
2583 /* We want to remove this entry, too */
2585 /* There is another entry in this section. */
2591 * We are really removing the last entry/entries from this section, and
2592 * there are no enclosed or surrounding comments. Remove the entire,
2593 * now-empty section.
2596 *begin_offset = begin;
2597 if (i < store->parsed_nr)
2598 *end_offset = store->parsed[i].begin;
2600 *end_offset = store->parsed[store->parsed_nr - 1].end;
2603 int git_config_set_in_file_gently(const char *config_filename,
2604 const char *key, const char *value)
2606 return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0);
2609 void git_config_set_in_file(const char *config_filename,
2610 const char *key, const char *value)
2612 git_config_set_multivar_in_file(config_filename, key, value, NULL, 0);
2615 int git_config_set_gently(const char *key, const char *value)
2617 return git_config_set_multivar_gently(key, value, NULL, 0);
2620 void git_config_set(const char *key, const char *value)
2622 git_config_set_multivar(key, value, NULL, 0);
2626 * If value==NULL, unset in (remove from) config,
2627 * if value_regex!=NULL, disregard key/value pairs where value does not match.
2628 * if value_regex==CONFIG_REGEX_NONE, do not match any existing values
2629 * (only add a new one)
2630 * if multi_replace==0, nothing, or only one matching key/value is replaced,
2631 * else all matching key/values (regardless how many) are removed,
2632 * before the new pair is written.
2634 * Returns 0 on success.
2636 * This function does this:
2638 * - it locks the config file by creating ".git/config.lock"
2640 * - it then parses the config using store_aux() as validator to find
2641 * the position on the key/value pair to replace. If it is to be unset,
2642 * it must be found exactly once.
2644 * - the config file is mmap()ed and the part before the match (if any) is
2645 * written to the lock file, then the changed part and the rest.
2647 * - the config file is removed and the lock file rename()d to it.
2650 int git_config_set_multivar_in_file_gently(const char *config_filename,
2651 const char *key, const char *value,
2652 const char *value_regex,
2655 int fd = -1, in_fd = -1;
2657 struct lock_file lock = LOCK_INIT;
2658 char *filename_buf = NULL;
2659 char *contents = NULL;
2661 struct config_store_data store;
2663 memset(&store, 0, sizeof(store));
2665 /* parse-key returns negative; flip the sign to feed exit(3) */
2666 ret = 0 - git_config_parse_key(key, &store.key, &store.baselen);
2670 store.multi_replace = multi_replace;
2672 if (!config_filename)
2673 config_filename = filename_buf = git_pathdup("config");
2676 * The lock serves a purpose in addition to locking: the new
2677 * contents of .git/config will be written into it.
2679 fd = hold_lock_file_for_update(&lock, config_filename, 0);
2681 error_errno(_("could not lock config file %s"), config_filename);
2682 ret = CONFIG_NO_LOCK;
2687 * If .git/config does not exist yet, write a minimal version.
2689 in_fd = open(config_filename, O_RDONLY);
2691 if ( ENOENT != errno ) {
2692 error_errno(_("opening %s"), config_filename);
2693 ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */
2696 /* if nothing to unset, error out */
2697 if (value == NULL) {
2698 ret = CONFIG_NOTHING_SET;
2703 store.key = xstrdup(key);
2704 if (write_section(fd, key, &store) < 0 ||
2705 write_pair(fd, key, value, &store) < 0)
2709 size_t copy_begin, copy_end;
2710 int i, new_line = 0;
2711 struct config_options opts;
2713 if (value_regex == NULL)
2714 store.value_regex = NULL;
2715 else if (value_regex == CONFIG_REGEX_NONE)
2716 store.value_regex = CONFIG_REGEX_NONE;
2718 if (value_regex[0] == '!') {
2719 store.do_not_match = 1;
2722 store.do_not_match = 0;
2724 store.value_regex = (regex_t*)xmalloc(sizeof(regex_t));
2725 if (regcomp(store.value_regex, value_regex,
2727 error(_("invalid pattern: %s"), value_regex);
2728 FREE_AND_NULL(store.value_regex);
2729 ret = CONFIG_INVALID_PATTERN;
2734 ALLOC_GROW(store.parsed, 1, store.parsed_alloc);
2735 store.parsed[0].end = 0;
2737 memset(&opts, 0, sizeof(opts));
2738 opts.event_fn = store_aux_event;
2739 opts.event_fn_data = &store;
2742 * After this, store.parsed will contain offsets of all the
2743 * parsed elements, and store.seen will contain a list of
2744 * matches, as indices into store.parsed.
2746 * As a side effect, we make sure to transform only a valid
2747 * existing config file.
2749 if (git_config_from_file_with_options(store_aux,
2752 error(_("invalid config file %s"), config_filename);
2753 ret = CONFIG_INVALID_FILE;
2757 /* if nothing to unset, or too many matches, error out */
2758 if ((store.seen_nr == 0 && value == NULL) ||
2759 (store.seen_nr > 1 && multi_replace == 0)) {
2760 ret = CONFIG_NOTHING_SET;
2764 if (fstat(in_fd, &st) == -1) {
2765 error_errno(_("fstat on %s failed"), config_filename);
2766 ret = CONFIG_INVALID_FILE;
2770 contents_sz = xsize_t(st.st_size);
2771 contents = xmmap_gently(NULL, contents_sz, PROT_READ,
2772 MAP_PRIVATE, in_fd, 0);
2773 if (contents == MAP_FAILED) {
2774 if (errno == ENODEV && S_ISDIR(st.st_mode))
2776 error_errno(_("unable to mmap '%s'"), config_filename);
2777 ret = CONFIG_INVALID_FILE;
2784 if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
2785 error_errno(_("chmod on %s failed"), get_lock_file_path(&lock));
2786 ret = CONFIG_NO_WRITE;
2790 if (store.seen_nr == 0) {
2791 if (!store.seen_alloc) {
2792 /* Did not see key nor section */
2793 ALLOC_GROW(store.seen, 1, store.seen_alloc);
2794 store.seen[0] = store.parsed_nr
2795 - !!store.parsed_nr;
2800 for (i = 0, copy_begin = 0; i < store.seen_nr; i++) {
2802 int j = store.seen[i];
2805 if (!store.key_seen) {
2806 copy_end = store.parsed[j].end;
2807 /* include '\n' when copying section header */
2808 if (copy_end > 0 && copy_end < contents_sz &&
2809 contents[copy_end - 1] != '\n' &&
2810 contents[copy_end] == '\n')
2812 replace_end = copy_end;
2814 replace_end = store.parsed[j].end;
2815 copy_end = store.parsed[j].begin;
2817 maybe_remove_section(&store, contents,
2821 * Swallow preceding white-space on the same
2824 while (copy_end > 0 ) {
2825 char c = contents[copy_end - 1];
2827 if (isspace(c) && c != '\n')
2834 if (copy_end > 0 && contents[copy_end-1] != '\n')
2837 /* write the first part of the config */
2838 if (copy_end > copy_begin) {
2839 if (write_in_full(fd, contents + copy_begin,
2840 copy_end - copy_begin) < 0)
2843 write_str_in_full(fd, "\n") < 0)
2846 copy_begin = replace_end;
2849 /* write the pair (value == NULL means unset) */
2850 if (value != NULL) {
2851 if (!store.section_seen) {
2852 if (write_section(fd, key, &store) < 0)
2855 if (write_pair(fd, key, value, &store) < 0)
2859 /* write the rest of the config */
2860 if (copy_begin < contents_sz)
2861 if (write_in_full(fd, contents + copy_begin,
2862 contents_sz - copy_begin) < 0)
2865 munmap(contents, contents_sz);
2869 if (commit_lock_file(&lock) < 0) {
2870 error_errno(_("could not write config file %s"), config_filename);
2871 ret = CONFIG_NO_WRITE;
2877 /* Invalidate the config cache */
2881 rollback_lock_file(&lock);
2884 munmap(contents, contents_sz);
2887 config_store_data_clear(&store);
2891 ret = write_error(get_lock_file_path(&lock));
2896 void git_config_set_multivar_in_file(const char *config_filename,
2897 const char *key, const char *value,
2898 const char *value_regex, int multi_replace)
2900 if (!git_config_set_multivar_in_file_gently(config_filename, key, value,
2901 value_regex, multi_replace))
2904 die(_("could not set '%s' to '%s'"), key, value);
2906 die(_("could not unset '%s'"), key);
2909 int git_config_set_multivar_gently(const char *key, const char *value,
2910 const char *value_regex, int multi_replace)
2912 return git_config_set_multivar_in_file_gently(NULL, key, value, value_regex,
2916 void git_config_set_multivar(const char *key, const char *value,
2917 const char *value_regex, int multi_replace)
2919 git_config_set_multivar_in_file(NULL, key, value, value_regex,
2923 static int section_name_match (const char *buf, const char *name)
2925 int i = 0, j = 0, dot = 0;
2928 for (i = 1; buf[i] && buf[i] != ']'; i++) {
2929 if (!dot && isspace(buf[i])) {
2931 if (name[j++] != '.')
2933 for (i++; isspace(buf[i]); i++)
2939 if (buf[i] == '\\' && dot)
2941 else if (buf[i] == '"' && dot) {
2942 for (i++; isspace(buf[i]); i++)
2946 if (buf[i] != name[j++])
2949 if (buf[i] == ']' && name[j] == 0) {
2951 * We match, now just find the right length offset by
2952 * gobbling up any whitespace after it, as well
2955 for (; buf[i] && isspace(buf[i]); i++)
2962 static int section_name_is_ok(const char *name)
2964 /* Empty section names are bogus. */
2969 * Before a dot, we must be alphanumeric or dash. After the first dot,
2970 * anything goes, so we can stop checking.
2972 for (; *name && *name != '.'; name++)
2973 if (*name != '-' && !isalnum(*name))
2978 /* if new_name == NULL, the section is removed instead */
2979 static int git_config_copy_or_rename_section_in_file(const char *config_filename,
2980 const char *old_name,
2981 const char *new_name, int copy)
2983 int ret = 0, remove = 0;
2984 char *filename_buf = NULL;
2985 struct lock_file lock = LOCK_INIT;
2988 FILE *config_file = NULL;
2990 struct strbuf copystr = STRBUF_INIT;
2991 struct config_store_data store;
2993 memset(&store, 0, sizeof(store));
2995 if (new_name && !section_name_is_ok(new_name)) {
2996 ret = error(_("invalid section name: %s"), new_name);
2997 goto out_no_rollback;
3000 if (!config_filename)
3001 config_filename = filename_buf = git_pathdup("config");
3003 out_fd = hold_lock_file_for_update(&lock, config_filename, 0);
3005 ret = error(_("could not lock config file %s"), config_filename);
3009 if (!(config_file = fopen(config_filename, "rb"))) {
3010 ret = warn_on_fopen_errors(config_filename);
3013 /* no config file means nothing to rename, no error */
3014 goto commit_and_out;
3017 if (fstat(fileno(config_file), &st) == -1) {
3018 ret = error_errno(_("fstat on %s failed"), config_filename);
3022 if (chmod(get_lock_file_path(&lock), st.st_mode & 07777) < 0) {
3023 ret = error_errno(_("chmod on %s failed"),
3024 get_lock_file_path(&lock));
3028 while (fgets(buf, sizeof(buf), config_file)) {
3033 for (i = 0; buf[i] && isspace(buf[i]); i++)
3035 if (buf[i] == '[') {
3036 /* it's a section */
3041 * When encountering a new section under -c we
3042 * need to flush out any section we're already
3043 * coping and begin anew. There might be
3044 * multiple [branch "$name"] sections.
3046 if (copystr.len > 0) {
3047 if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
3048 ret = write_error(get_lock_file_path(&lock));
3051 strbuf_reset(©str);
3054 offset = section_name_match(&buf[i], old_name);
3057 if (new_name == NULL) {
3061 store.baselen = strlen(new_name);
3063 if (write_section(out_fd, new_name, &store) < 0) {
3064 ret = write_error(get_lock_file_path(&lock));
3068 * We wrote out the new section, with
3069 * a newline, now skip the old
3072 output += offset + i;
3073 if (strlen(output) > 0) {
3075 * More content means there's
3076 * a declaration to put on the
3077 * next line; indent with a
3084 copystr = store_create_section(new_name, &store);
3091 length = strlen(output);
3093 if (!is_section && copystr.len > 0) {
3094 strbuf_add(©str, output, length);
3097 if (write_in_full(out_fd, output, length) < 0) {
3098 ret = write_error(get_lock_file_path(&lock));
3104 * Copy a trailing section at the end of the config, won't be
3105 * flushed by the usual "flush because we have a new section
3106 * logic in the loop above.
3108 if (copystr.len > 0) {
3109 if (write_in_full(out_fd, copystr.buf, copystr.len) < 0) {
3110 ret = write_error(get_lock_file_path(&lock));
3113 strbuf_reset(©str);
3116 fclose(config_file);
3119 if (commit_lock_file(&lock) < 0)
3120 ret = error_errno(_("could not write config file %s"),
3124 fclose(config_file);
3125 rollback_lock_file(&lock);
3128 config_store_data_clear(&store);
3132 int git_config_rename_section_in_file(const char *config_filename,
3133 const char *old_name, const char *new_name)
3135 return git_config_copy_or_rename_section_in_file(config_filename,
3136 old_name, new_name, 0);
3139 int git_config_rename_section(const char *old_name, const char *new_name)
3141 return git_config_rename_section_in_file(NULL, old_name, new_name);
3144 int git_config_copy_section_in_file(const char *config_filename,
3145 const char *old_name, const char *new_name)
3147 return git_config_copy_or_rename_section_in_file(config_filename,
3148 old_name, new_name, 1);
3151 int git_config_copy_section(const char *old_name, const char *new_name)
3153 return git_config_copy_section_in_file(NULL, old_name, new_name);
3157 * Call this to report error for your variable that should not
3158 * get a boolean value (i.e. "[my] var" means "true").
3160 #undef config_error_nonbool
3161 int config_error_nonbool(const char *var)
3163 return error(_("missing value for '%s'"), var);
3166 int parse_config_key(const char *var,
3167 const char *section,
3168 const char **subsection, int *subsection_len,
3173 /* Does it start with "section." ? */
3174 if (!skip_prefix(var, section, &var) || *var != '.')
3178 * Find the key; we don't know yet if we have a subsection, but we must
3179 * parse backwards from the end, since the subsection may have dots in
3182 dot = strrchr(var, '.');
3185 /* Did we have a subsection at all? */
3189 *subsection_len = 0;
3195 *subsection = var + 1;
3196 *subsection_len = dot - *subsection;
3202 const char *current_config_origin_type(void)
3205 if (current_config_kvi)
3206 type = current_config_kvi->origin_type;
3208 type = cf->origin_type;
3210 BUG("current_config_origin_type called outside config callback");
3213 case CONFIG_ORIGIN_BLOB:
3215 case CONFIG_ORIGIN_FILE:
3217 case CONFIG_ORIGIN_STDIN:
3218 return "standard input";
3219 case CONFIG_ORIGIN_SUBMODULE_BLOB:
3220 return "submodule-blob";
3221 case CONFIG_ORIGIN_CMDLINE:
3222 return "command line";
3224 BUG("unknown config origin type");
3228 const char *current_config_name(void)
3231 if (current_config_kvi)
3232 name = current_config_kvi->filename;
3236 BUG("current_config_name called outside config callback");
3237 return name ? name : "";
3240 enum config_scope current_config_scope(void)
3242 if (current_config_kvi)
3243 return current_config_kvi->scope;
3245 return current_parsing_scope;
3248 int lookup_config(const char **mapping, int nr_mapping, const char *var)
3252 for (i = 0; i < nr_mapping; i++) {
3253 const char *name = mapping[i];
3255 if (name && !strcasecmp(var, name))