[thirdparty/git.git] / builtin / config.c

#include "builtin.h"
#include "cache.h"
#include "color.h"
#include "parse-options.h"

static const char *const builtin_config_usage[] = {
	"git config [options]",
	NULL
};

static char *key;
static regex_t *key_regexp;
static regex_t *regexp;
static int show_keys;
static int use_key_regexp;
static int do_all;
static int do_not_match;
static int seen;
static char delim = '=';
static char key_delim = ' ';
static char term = '\n';

static int use_global_config, use_system_config, use_local_config;
static const char *given_config_file;
static int actions, types;
static const char *get_color_slot, *get_colorbool_slot;
static int end_null;
static int respect_includes = -1;

#define ACTION_GET (1<<0)
#define ACTION_GET_ALL (1<<1)
#define ACTION_GET_REGEXP (1<<2)
#define ACTION_REPLACE_ALL (1<<3)
#define ACTION_ADD (1<<4)
#define ACTION_UNSET (1<<5)
#define ACTION_UNSET_ALL (1<<6)
#define ACTION_RENAME_SECTION (1<<7)
#define ACTION_REMOVE_SECTION (1<<8)
#define ACTION_LIST (1<<9)
#define ACTION_EDIT (1<<10)
#define ACTION_SET (1<<11)
#define ACTION_SET_ALL (1<<12)
#define ACTION_GET_COLOR (1<<13)
#define ACTION_GET_COLORBOOL (1<<14)

#define TYPE_BOOL (1<<0)
#define TYPE_INT (1<<1)
#define TYPE_BOOL_OR_INT (1<<2)
#define TYPE_PATH (1<<3)

static struct option builtin_config_options[] = {
	OPT_GROUP("Config file location"),
	OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
	OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
	OPT_BOOLEAN(0, "local", &use_local_config, "use repository config file"),
	OPT_STRING('f', "file", &given_config_file, "file", "use given config file"),
	OPT_GROUP("Action"),
	OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
	OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
	OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
	OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL),
	OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
	OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
	OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
	OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
	OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
	OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
	OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
	OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
	OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
	OPT_GROUP("Type"),
	OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
	OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
	OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT),
	OPT_BIT(0, "path", &types, "value is a path (file or directory name)", TYPE_PATH),
	OPT_GROUP("Other"),
	OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
	OPT_BOOL(0, "includes", &respect_includes, "respect include directives on lookup"),
	OPT_END(),
};

static void check_argc(int argc, int min, int max) {
	if (argc >= min && argc <= max)
		return;
	error("wrong number of arguments");
	usage_with_options(builtin_config_usage, builtin_config_options);
}

static int show_all_config(const char *key_, const char *value_, void *cb)
{
	if (value_)
		printf("%s%c%s%c", key_, delim, value_, term);
	else
		printf("%s%c", key_, term);
	return 0;
}

static int show_config(const char *key_, const char *value_, void *cb)
{
	char value[256];
	const char *vptr = value;
	int must_free_vptr = 0;
	int dup_error = 0;
	int must_print_delim = 0;

	if (!use_key_regexp && strcmp(key_, key))
		return 0;
	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
		return 0;
	if (regexp != NULL &&
	    (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
		return 0;

	if (show_keys) {
		printf("%s", key_);
		must_print_delim = 1;
	}
	if (seen && !do_all)
		dup_error = 1;
	if (types == TYPE_INT)
		sprintf(value, "%d", git_config_int(key_, value_?value_:""));
	else if (types == TYPE_BOOL)
		vptr = git_config_bool(key_, value_) ? "true" : "false";
	else if (types == TYPE_BOOL_OR_INT) {
		int is_bool, v;
		v = git_config_bool_or_int(key_, value_, &is_bool);
		if (is_bool)
			vptr = v ? "true" : "false";
		else
			sprintf(value, "%d", v);
	} else if (types == TYPE_PATH) {
		git_config_pathname(&vptr, key_, value_);
		must_free_vptr = 1;
	} else if (value_) {
		vptr = value_;
	} else {
		/* Just show the key name */
		vptr = "";
		must_print_delim = 0;
	}
	seen++;
	if (dup_error) {
		error("More than one value for the key %s: %s",
				key_, vptr);
	}
	else {
		if (must_print_delim)
			printf("%c", key_delim);
		printf("%s%c", vptr, term);
	}
	if (must_free_vptr)
		/* If vptr must be freed, it's a pointer to a
		 * dynamically allocated buffer, it's safe to cast to
		 * const.
		*/
		free((char *)vptr);

	return 0;
}

static int get_value(const char *key_, const char *regex_)
{
	int ret = -1;
	char *global = NULL, *xdg = NULL, *repo_config = NULL;
	const char *system_wide = NULL, *local;
	struct config_include_data inc = CONFIG_INCLUDE_INIT;
	config_fn_t fn;
	void *data;

	local = given_config_file;
	if (!local) {
		local = repo_config = git_pathdup("config");
		if (git_config_system())
			system_wide = git_etc_gitconfig();
		home_config_paths(&global, &xdg, "config");
	}

	if (use_key_regexp) {
		char *tl;

		/*
		 * NEEDSWORK: this naive pattern lowercasing obviously does not
		 * work for more complex patterns like "^[^.]*Foo.*bar".
		 * Perhaps we should deprecate this altogether someday.
		 */

		key = xstrdup(key_);
		for (tl = key + strlen(key) - 1;
		     tl >= key && *tl != '.';
		     tl--)
			*tl = tolower(*tl);
		for (tl = key; *tl && *tl != '.'; tl++)
			*tl = tolower(*tl);

		key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
		if (regcomp(key_regexp, key, REG_EXTENDED)) {
			fprintf(stderr, "Invalid key pattern: %s\n", key_);
			free(key);
			goto free_strings;
		}
	} else {
		if (git_config_parse_key(key_, &key, NULL))
			goto free_strings;
	}

	if (regex_) {
		if (regex_[0] == '!') {
			do_not_match = 1;
			regex_++;
		}

		regexp = (regex_t*)xmalloc(sizeof(regex_t));
		if (regcomp(regexp, regex_, REG_EXTENDED)) {
			fprintf(stderr, "Invalid pattern: %s\n", regex_);
			goto free_strings;
		}
	}

	fn = show_config;
	data = NULL;
	if (respect_includes) {
		inc.fn = fn;
		inc.data = data;
		fn = git_config_include;
		data = &inc;
	}

	if (do_all && system_wide)
		git_config_from_file(fn, system_wide, data);
	if (do_all && xdg)
		git_config_from_file(fn, xdg, data);
	if (do_all && global)
		git_config_from_file(fn, global, data);
	if (do_all)
		git_config_from_file(fn, local, data);
	git_config_from_parameters(fn, data);
	if (!do_all && !seen)
		git_config_from_file(fn, local, data);
	if (!do_all && !seen && global)
		git_config_from_file(fn, global, data);
	if (!do_all && !seen && xdg)
		git_config_from_file(fn, xdg, data);
	if (!do_all && !seen && system_wide)
		git_config_from_file(fn, system_wide, data);

	free(key);
	if (regexp) {
		regfree(regexp);
		free(regexp);
	}

	if (do_all)
		ret = !seen;
	else
		ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;

free_strings:
	free(repo_config);
	free(global);
	free(xdg);
	return ret;
}

static char *normalize_value(const char *key, const char *value)
{
	char *normalized;

	if (!value)
		return NULL;

	if (types == 0 || types == TYPE_PATH)
		/*
		 * We don't do normalization for TYPE_PATH here: If
		 * the path is like ~/foobar/, we prefer to store
		 * "~/foobar/" in the config file, and to expand the ~
		 * when retrieving the value.
		 */
		normalized = xstrdup(value);
	else {
		normalized = xmalloc(64);
		if (types == TYPE_INT) {
			int v = git_config_int(key, value);
			sprintf(normalized, "%d", v);
		}
		else if (types == TYPE_BOOL)
			sprintf(normalized, "%s",
				git_config_bool(key, value) ? "true" : "false");
		else if (types == TYPE_BOOL_OR_INT) {
			int is_bool, v;
			v = git_config_bool_or_int(key, value, &is_bool);
			if (!is_bool)
				sprintf(normalized, "%d", v);
			else
				sprintf(normalized, "%s", v ? "true" : "false");
		}
	}

	return normalized;
}

static int get_color_found;
static const char *get_color_slot;
static const char *get_colorbool_slot;
static char parsed_color[COLOR_MAXLEN];

static int git_get_color_config(const char *var, const char *value, void *cb)
{
	if (!strcmp(var, get_color_slot)) {
		if (!value)
			config_error_nonbool(var);
		color_parse(value, var, parsed_color);
		get_color_found = 1;
	}
	return 0;
}

static void get_color(const char *def_color)
{
	get_color_found = 0;
	parsed_color[0] = '\0';
	git_config_with_options(git_get_color_config, NULL,
				given_config_file, respect_includes);

	if (!get_color_found && def_color)
		color_parse(def_color, "command line", parsed_color);

	fputs(parsed_color, stdout);
}

static int get_colorbool_found;
static int get_diff_color_found;
static int get_color_ui_found;
static int git_get_colorbool_config(const char *var, const char *value,
		void *cb)
{
	if (!strcmp(var, get_colorbool_slot))
		get_colorbool_found = git_config_colorbool(var, value);
	else if (!strcmp(var, "diff.color"))
		get_diff_color_found = git_config_colorbool(var, value);
	else if (!strcmp(var, "color.ui"))
		get_color_ui_found = git_config_colorbool(var, value);
	return 0;
}

static int get_colorbool(int print)
{
	get_colorbool_found = -1;
	get_diff_color_found = -1;
	git_config_with_options(git_get_colorbool_config, NULL,
				given_config_file, respect_includes);

	if (get_colorbool_found < 0) {
		if (!strcmp(get_colorbool_slot, "color.diff"))
			get_colorbool_found = get_diff_color_found;
		if (get_colorbool_found < 0)
			get_colorbool_found = get_color_ui_found;
	}

	get_colorbool_found = want_color(get_colorbool_found);

	if (print) {
		printf("%s\n", get_colorbool_found ? "true" : "false");
		return 0;
	} else
		return get_colorbool_found ? 0 : 1;
}

int cmd_config(int argc, const char **argv, const char *prefix)
{
	int nongit = !startup_info->have_repository;
	char *value;

	given_config_file = getenv(CONFIG_ENVIRONMENT);

	argc = parse_options(argc, argv, prefix, builtin_config_options,
			     builtin_config_usage,
			     PARSE_OPT_STOP_AT_NON_OPTION);

	if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
		error("only one config file at a time.");
		usage_with_options(builtin_config_usage, builtin_config_options);
	}

	if (use_global_config) {
		char *user_config = NULL;
		char *xdg_config = NULL;

		home_config_paths(&user_config, &xdg_config, "config");

		if (!user_config)
			/*
			 * It is unknown if HOME/.gitconfig exists, so
			 * we do not know if we should write to XDG
			 * location; error out even if XDG_CONFIG_HOME
			 * is set and points at a sane location.
			 */
			die("$HOME not set");

		if (access(user_config, R_OK) &&
		    xdg_config && !access(xdg_config, R_OK))
			given_config_file = xdg_config;
		else
			given_config_file = user_config;
	}
	else if (use_system_config)
		given_config_file = git_etc_gitconfig();
	else if (use_local_config)
		given_config_file = git_pathdup("config");
	else if (given_config_file) {
		if (!is_absolute_path(given_config_file) && prefix)
			given_config_file =
				xstrdup(prefix_filename(prefix,
							strlen(prefix),
							given_config_file));
	}

	if (respect_includes == -1)
		respect_includes = !given_config_file;

	if (end_null) {
		term = '\0';
		delim = '\n';
		key_delim = '\n';
	}

	if (HAS_MULTI_BITS(types)) {
		error("only one type at a time.");
		usage_with_options(builtin_config_usage, builtin_config_options);
	}

	if (get_color_slot)
	    actions |= ACTION_GET_COLOR;
	if (get_colorbool_slot)
	    actions |= ACTION_GET_COLORBOOL;

	if ((get_color_slot || get_colorbool_slot) && types) {
		error("--get-color and variable type are incoherent");
		usage_with_options(builtin_config_usage, builtin_config_options);
	}

	if (HAS_MULTI_BITS(actions)) {
		error("only one action at a time.");
		usage_with_options(builtin_config_usage, builtin_config_options);
	}
	if (actions == 0)
		switch (argc) {
		case 1: actions = ACTION_GET; break;
		case 2: actions = ACTION_SET; break;
		case 3: actions = ACTION_SET_ALL; break;
		default:
			usage_with_options(builtin_config_usage, builtin_config_options);
		}

	if (actions == ACTION_LIST) {
		check_argc(argc, 0, 0);
		if (git_config_with_options(show_all_config, NULL,
					    given_config_file,
					    respect_includes) < 0) {
			if (given_config_file)
				die_errno("unable to read config file '%s'",
					  given_config_file);
			else
				die("error processing config file(s)");
		}
	}
	else if (actions == ACTION_EDIT) {
		check_argc(argc, 0, 0);
		if (!given_config_file && nongit)
			die("not in a git directory");
		git_config(git_default_config, NULL);
		launch_editor(given_config_file ?
			      given_config_file : git_path("config"),
			      NULL, NULL);
	}
	else if (actions == ACTION_SET) {
		int ret;
		check_argc(argc, 2, 2);
		value = normalize_value(argv[0], argv[1]);
		ret = git_config_set_in_file(given_config_file, argv[0], value);
		if (ret == CONFIG_NOTHING_SET)
			error("cannot overwrite multiple values with a single value\n"
			"       Use a regexp, --add or --replace-all to change %s.", argv[0]);
		return ret;
	}
	else if (actions == ACTION_SET_ALL) {
		check_argc(argc, 2, 3);
		value = normalize_value(argv[0], argv[1]);
		return git_config_set_multivar_in_file(given_config_file,
						       argv[0], value, argv[2], 0);
	}
	else if (actions == ACTION_ADD) {
		check_argc(argc, 2, 2);
		value = normalize_value(argv[0], argv[1]);
		return git_config_set_multivar_in_file(given_config_file,
						       argv[0], value, "^$", 0);
	}
	else if (actions == ACTION_REPLACE_ALL) {
		check_argc(argc, 2, 3);
		value = normalize_value(argv[0], argv[1]);
		return git_config_set_multivar_in_file(given_config_file,
						       argv[0], value, argv[2], 1);
	}
	else if (actions == ACTION_GET) {
		check_argc(argc, 1, 2);
		return get_value(argv[0], argv[1]);
	}
	else if (actions == ACTION_GET_ALL) {
		do_all = 1;
		check_argc(argc, 1, 2);
		return get_value(argv[0], argv[1]);
	}
	else if (actions == ACTION_GET_REGEXP) {
		show_keys = 1;
		use_key_regexp = 1;
		do_all = 1;
		check_argc(argc, 1, 2);
		return get_value(argv[0], argv[1]);
	}
	else if (actions == ACTION_UNSET) {
		check_argc(argc, 1, 2);
		if (argc == 2)
			return git_config_set_multivar_in_file(given_config_file,
							       argv[0], NULL, argv[1], 0);
		else
			return git_config_set_in_file(given_config_file,
						      argv[0], NULL);
	}
	else if (actions == ACTION_UNSET_ALL) {
		check_argc(argc, 1, 2);
		return git_config_set_multivar_in_file(given_config_file,
						       argv[0], NULL, argv[1], 1);
	}
	else if (actions == ACTION_RENAME_SECTION) {
		int ret;
		check_argc(argc, 2, 2);
		ret = git_config_rename_section_in_file(given_config_file,
							argv[0], argv[1]);
		if (ret < 0)
			return ret;
		if (ret == 0)
			die("No such section!");
	}
	else if (actions == ACTION_REMOVE_SECTION) {
		int ret;
		check_argc(argc, 1, 1);
		ret = git_config_rename_section_in_file(given_config_file,
							argv[0], NULL);
		if (ret < 0)
			return ret;
		if (ret == 0)
			die("No such section!");
	}
	else if (actions == ACTION_GET_COLOR) {
		get_color(argv[0]);
	}
	else if (actions == ACTION_GET_COLORBOOL) {
		if (argc == 1)
			color_stdout_is_tty = git_config_bool("command line", argv[0]);
		return get_colorbool(argc != 0);
	}

	return 0;
}

int cmd_repo_config(int argc, const char **argv, const char *prefix)
{
	fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
	return cmd_config(argc, argv, prefix);
}
Commit	Line	Data
e12c095a	1	#include "builtin.h"
1b1e59c5	2	#include "cache.h"
9ce03522	3	#include "color.h"
d64ec16c	4	#include "parse-options.h"
1b1e59c5	5
d64ec16c FC	6	static const char *const builtin_config_usage[] = {
	7	"git config [options]",
	8	NULL
	9	};
4ddba79d	10
96f1e58f DR	11	static char *key;
	12	static regex_t *key_regexp;
	13	static regex_t *regexp;
	14	static int show_keys;
	15	static int use_key_regexp;
	16	static int do_all;
	17	static int do_not_match;
	18	static int seen;
2275d502 FL	19	static char delim = '=';
	20	static char key_delim = ' ';
	21	static char term = '\n';
4ddba79d	22
57210a67	23	static int use_global_config, use_system_config, use_local_config;
d64ec16c	24	static const char *given_config_file;
16c1e939	25	static int actions, types;
d64ec16c FC	26	static const char get_color_slot, get_colorbool_slot;
d64ec16c FC	27	static int end_null;
9b25a0b5	28	static int respect_includes = -1;
d64ec16c FC	29
	30	#define ACTION_GET (1<<0)
	31	#define ACTION_GET_ALL (1<<1)
	32	#define ACTION_GET_REGEXP (1<<2)
	33	#define ACTION_REPLACE_ALL (1<<3)
	34	#define ACTION_ADD (1<<4)
	35	#define ACTION_UNSET (1<<5)
	36	#define ACTION_UNSET_ALL (1<<6)
	37	#define ACTION_RENAME_SECTION (1<<7)
	38	#define ACTION_REMOVE_SECTION (1<<8)
	39	#define ACTION_LIST (1<<9)
	40	#define ACTION_EDIT (1<<10)
	41	#define ACTION_SET (1<<11)
	42	#define ACTION_SET_ALL (1<<12)
	43	#define ACTION_GET_COLOR (1<<13)
	44	#define ACTION_GET_COLORBOOL (1<<14)
	45
16c1e939 FC	46	#define TYPE_BOOL (1<<0)
	47	#define TYPE_INT (1<<1)
	48	#define TYPE_BOOL_OR_INT (1<<2)
1349484e	49	#define TYPE_PATH (1<<3)
16c1e939	50
d64ec16c FC	51	static struct option builtin_config_options[] = {
	52	OPT_GROUP("Config file location"),
	53	OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
	54	OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
57210a67	55	OPT_BOOLEAN(0, "local", &use_local_config, "use repository config file"),
23c6a803	56	OPT_STRING('f', "file", &given_config_file, "file", "use given config file"),
d64ec16c FC	57	OPT_GROUP("Action"),
	58	OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
	59	OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
	60	OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
bf71b4b3	61	OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL),
d64ec16c FC	62	OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
	63	OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
	64	OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
	65	OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
	66	OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
	67	OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
	68	OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
	69	OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
	70	OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
	71	OPT_GROUP("Type"),
16c1e939 FC	72	OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
16c1e939 FC	73	OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
ba048224	74	OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT),
1349484e	75	OPT_BIT(0, "path", &types, "value is a path (file or directory name)", TYPE_PATH),
d64ec16c FC	76	OPT_GROUP("Other"),
d64ec16c FC	77	OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
9b25a0b5	78	OPT_BOOL(0, "includes", &respect_includes, "respect include directives on lookup"),
d64ec16c FC	79	OPT_END(),
	80	};
	81
	82	static void check_argc(int argc, int min, int max) {
	83	if (argc >= min && argc <= max)
	84	return;
	85	error("wrong number of arguments");
	86	usage_with_options(builtin_config_usage, builtin_config_options);
	87	}
	88
ef90d6d4	89	static int show_all_config(const char key_, const char value_, void *cb)
de791f15 PB	90	{
de791f15 PB	91	if (value_)
2275d502	92	printf("%s%c%s%c", key_, delim, value_, term);
de791f15	93	else
2275d502	94	printf("%s%c", key_, term);
de791f15 PB	95	return 0;
	96	}
	97
4b951b7e	98	static int show_config(const char key_, const char value_, void *cb)
4ddba79d	99	{
e098c6f8 JH	100	char value[256];
e098c6f8 JH	101	const char *vptr = value;
1349484e	102	int must_free_vptr = 0;
8f5ff31f	103	int dup_error = 0;
008e3cc5	104	int must_print_delim = 0;
e098c6f8	105
8f5ff31f JS	106	if (!use_key_regexp && strcmp(key_, key))
	107	return 0;
	108	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
	109	return 0;
	110	if (regexp != NULL &&
9e4bbeb9	111	(do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f JS	112	return 0;
8f5ff31f JS	113
b69ba460	114	if (show_keys) {
008e3cc5 MM	115	printf("%s", key_);
008e3cc5 MM	116	must_print_delim = 1;
b69ba460	117	}
8f5ff31f JS	118	if (seen && !do_all)
8f5ff31f JS	119	dup_error = 1;
16c1e939	120	if (types == TYPE_INT)
acb70149	121	sprintf(value, "%d", git_config_int(key_, value_?value_:""));
16c1e939	122	else if (types == TYPE_BOOL)
8f5ff31f	123	vptr = git_config_bool(key_, value_) ? "true" : "false";
16c1e939	124	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	125	int is_bool, v;
	126	v = git_config_bool_or_int(key_, value_, &is_bool);
	127	if (is_bool)
	128	vptr = v ? "true" : "false";
	129	else
	130	sprintf(value, "%d", v);
1349484e MM	131	} else if (types == TYPE_PATH) {
	132	git_config_pathname(&vptr, key_, value_);
	133	must_free_vptr = 1;
008e3cc5 MM	134	} else if (value_) {
	135	vptr = value_;
	136	} else {
	137	/* Just show the key name */
	138	vptr = "";
	139	must_print_delim = 0;
c35b0b58	140	}
8f5ff31f JS	141	seen++;
	142	if (dup_error) {
	143	error("More than one value for the key %s: %s",
	144	key_, vptr);
4ddba79d	145	}
008e3cc5 MM	146	else {
	147	if (must_print_delim)
	148	printf("%c", key_delim);
2275d502	149	printf("%s%c", vptr, term);
008e3cc5	150	}
1349484e MM	151	if (must_free_vptr)
	152	/* If vptr must be freed, it's a pointer to a
	153	* dynamically allocated buffer, it's safe to cast to
	154	* const.
	155	*/
	156	free((char *)vptr);
8f5ff31f	157
4ddba79d JS	158	return 0;
	159	}
	160
4b951b7e	161	static int get_value(const char key_, const char regex_)
4ddba79d	162	{
5f1a63e0	163	int ret = -1;
21cf3227	164	char global = NULL, xdg = NULL, *repo_config = NULL;
32043c9f	165	const char system_wide = NULL, local;
9b25a0b5 JK	166	struct config_include_data inc = CONFIG_INCLUDE_INIT;
	167	config_fn_t fn;
	168	void *data;
5f1a63e0	169
270a3443	170	local = given_config_file;
5f1a63e0	171	if (!local) {
a4f34cbb	172	local = repo_config = git_pathdup("config");
ab88c363 JK	173	if (git_config_system())
ab88c363 JK	174	system_wide = git_etc_gitconfig();
21cf3227	175	home_config_paths(&global, &xdg, "config");
5f1a63e0	176	}
4ddba79d	177
2fa9a0fb	178	if (use_key_regexp) {
b09c53a3 LP	179	char *tl;
	180
	181	/*
	182	* NEEDSWORK: this naive pattern lowercasing obviously does not
	183	* work for more complex patterns like "^[^.]Foo.bar".
	184	* Perhaps we should deprecate this altogether someday.
	185	*/
	186
	187	key = xstrdup(key_);
	188	for (tl = key + strlen(key) - 1;
	189	tl >= key && *tl != '.';
	190	tl--)
	191	tl = tolower(tl);
	192	for (tl = key; tl && tl != '.'; tl++)
	193	tl = tolower(tl);
	194
2d7320d0	195	key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb	196	if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8	197	fprintf(stderr, "Invalid key pattern: %s\n", key_);
b09c53a3	198	free(key);
5f1a63e0	199	goto free_strings;
2fa9a0fb	200	}
b09c53a3 LP	201	} else {
	202	if (git_config_parse_key(key_, &key, NULL))
	203	goto free_strings;
2fa9a0fb JS	204	}
2fa9a0fb JS	205
4ddba79d	206	if (regex_) {
f98d863d JS	207	if (regex_[0] == '!') {
	208	do_not_match = 1;
	209	regex_++;
	210	}
	211
2d7320d0	212	regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171	213	if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d	214	fprintf(stderr, "Invalid pattern: %s\n", regex_);
5f1a63e0	215	goto free_strings;
4ddba79d JS	216	}
	217	}
	218
9b25a0b5 JK	219	fn = show_config;
	220	data = NULL;
	221	if (respect_includes) {
	222	inc.fn = fn;
	223	inc.data = data;
	224	fn = git_config_include;
	225	data = &inc;
	226	}
	227
32043c9f	228	if (do_all && system_wide)
9b25a0b5	229	git_config_from_file(fn, system_wide, data);
21cf3227 HKNN	230	if (do_all && xdg)
21cf3227 HKNN	231	git_config_from_file(fn, xdg, data);
5f1a63e0	232	if (do_all && global)
9b25a0b5	233	git_config_from_file(fn, global, data);
8b1fa778	234	if (do_all)
9b25a0b5 JK	235	git_config_from_file(fn, local, data);
9b25a0b5 JK	236	git_config_from_parameters(fn, data);
8b1fa778	237	if (!do_all && !seen)
9b25a0b5	238	git_config_from_file(fn, local, data);
5f1a63e0	239	if (!do_all && !seen && global)
9b25a0b5	240	git_config_from_file(fn, global, data);
21cf3227 HKNN	241	if (!do_all && !seen && xdg)
21cf3227 HKNN	242	git_config_from_file(fn, xdg, data);
32043c9f	243	if (!do_all && !seen && system_wide)
9b25a0b5	244	git_config_from_file(fn, system_wide, data);
5f1a63e0	245
4ddba79d	246	free(key);
0a152171 AW	247	if (regexp) {
	248	regfree(regexp);
	249	free(regexp);
4ddba79d JS	250	}
	251
	252	if (do_all)
5f1a63e0 JS	253	ret = !seen;
5f1a63e0 JS	254	else
dc2613de	255	ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0 JS	256
5f1a63e0 JS	257	free_strings:
4cac42b1 JH	258	free(repo_config);
4cac42b1 JH	259	free(global);
21cf3227	260	free(xdg);
5f1a63e0	261	return ret;
4ddba79d	262	}
1b1e59c5	263
186458b1	264	static char normalize_value(const char key, const char *value)
db1696b8 FL	265	{
	266	char *normalized;
	267
	268	if (!value)
	269	return NULL;
	270
1349484e MM	271	if (types == 0 \|\| types == TYPE_PATH)
	272	/*
	273	* We don't do normalization for TYPE_PATH here: If
	274	* the path is like ~/foobar/, we prefer to store
	275	* "~/foobar/" in the config file, and to expand the ~
	276	* when retrieving the value.
	277	*/
db1696b8 FL	278	normalized = xstrdup(value);
	279	else {
	280	normalized = xmalloc(64);
16c1e939	281	if (types == TYPE_INT) {
db1696b8 FL	282	int v = git_config_int(key, value);
	283	sprintf(normalized, "%d", v);
	284	}
16c1e939	285	else if (types == TYPE_BOOL)
db1696b8 FL	286	sprintf(normalized, "%s",
db1696b8 FL	287	git_config_bool(key, value) ? "true" : "false");
16c1e939	288	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	289	int is_bool, v;
	290	v = git_config_bool_or_int(key, value, &is_bool);
	291	if (!is_bool)
	292	sprintf(normalized, "%d", v);
	293	else
	294	sprintf(normalized, "%s", v ? "true" : "false");
	295	}
db1696b8 FL	296	}
	297
	298	return normalized;
	299	}
	300
9ce03522 JH	301	static int get_color_found;
9ce03522 JH	302	static const char *get_color_slot;
b408457f	303	static const char *get_colorbool_slot;
9ce03522 JH	304	static char parsed_color[COLOR_MAXLEN];
9ce03522 JH	305
ef90d6d4	306	static int git_get_color_config(const char var, const char value, void *cb)
9ce03522 JH	307	{
9ce03522 JH	308	if (!strcmp(var, get_color_slot)) {
f769982d JH	309	if (!value)
f769982d JH	310	config_error_nonbool(var);
9ce03522 JH	311	color_parse(value, var, parsed_color);
	312	get_color_found = 1;
	313	}
	314	return 0;
	315	}
	316
0e854a28	317	static void get_color(const char *def_color)
9ce03522	318	{
9ce03522 JH	319	get_color_found = 0;
9ce03522 JH	320	parsed_color[0] = '\0';
270a3443	321	git_config_with_options(git_get_color_config, NULL,
9b25a0b5	322	given_config_file, respect_includes);
9ce03522 JH	323
	324	if (!get_color_found && def_color)
	325	color_parse(def_color, "command line", parsed_color);
	326
	327	fputs(parsed_color, stdout);
9ce03522 JH	328	}
9ce03522 JH	329
0f6f5a40	330	static int get_colorbool_found;
69243c2b	331	static int get_diff_color_found;
c659f55b	332	static int get_color_ui_found;
ef90d6d4 JS	333	static int git_get_colorbool_config(const char var, const char value,
ef90d6d4 JS	334	void *cb)
0f6f5a40	335	{
e269eb79 JK	336	if (!strcmp(var, get_colorbool_slot))
	337	get_colorbool_found = git_config_colorbool(var, value);
	338	else if (!strcmp(var, "diff.color"))
	339	get_diff_color_found = git_config_colorbool(var, value);
	340	else if (!strcmp(var, "color.ui"))
c659f55b	341	get_color_ui_found = git_config_colorbool(var, value);
0f6f5a40 JH	342	return 0;
	343	}
	344
0e854a28	345	static int get_colorbool(int print)
0f6f5a40	346	{
69243c2b JH	347	get_colorbool_found = -1;
69243c2b JH	348	get_diff_color_found = -1;
270a3443	349	git_config_with_options(git_get_colorbool_config, NULL,
9b25a0b5	350	given_config_file, respect_includes);
0f6f5a40	351
69243c2b	352	if (get_colorbool_found < 0) {
b408457f	353	if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b JH	354	get_colorbool_found = get_diff_color_found;
69243c2b JH	355	if (get_colorbool_found < 0)
c659f55b	356	get_colorbool_found = get_color_ui_found;
69243c2b JH	357	}
69243c2b JH	358
daa0c3d9 JK	359	get_colorbool_found = want_color(get_colorbool_found);
daa0c3d9 JK	360
0e854a28	361	if (print) {
0f6f5a40 JH	362	printf("%s\n", get_colorbool_found ? "true" : "false");
0f6f5a40 JH	363	return 0;
0e854a28 FC	364	} else
0e854a28 FC	365	return get_colorbool_found ? 0 : 1;
0f6f5a40 JH	366	}
0f6f5a40 JH	367
3ba7e6e2	368	int cmd_config(int argc, const char *argv, const char prefix)
1b1e59c5	369	{
3ba7e6e2	370	int nongit = !startup_info->have_repository;
4b951b7e	371	char *value;
7162dff3	372
270a3443	373	given_config_file = getenv(CONFIG_ENVIRONMENT);
dc871831	374
37782920 SB	375	argc = parse_options(argc, argv, prefix, builtin_config_options,
37782920 SB	376	builtin_config_usage,
d64ec16c FC	377	PARSE_OPT_STOP_AT_NON_OPTION);
d64ec16c FC	378
57210a67	379	if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
67052c9d FC	380	error("only one config file at a time.");
	381	usage_with_options(builtin_config_usage, builtin_config_options);
	382	}
	383
d64ec16c	384	if (use_global_config) {
21cf3227 HKNN	385	char *user_config = NULL;
	386	char *xdg_config = NULL;
	387
	388	home_config_paths(&user_config, &xdg_config, "config");
	389
e3ebc35b MM	390	if (!user_config)
	391	/*
	392	* It is unknown if HOME/.gitconfig exists, so
	393	* we do not know if we should write to XDG
	394	* location; error out even if XDG_CONFIG_HOME
	395	* is set and points at a sane location.
	396	*/
	397	die("$HOME not set");
	398
	399	if (access(user_config, R_OK) &&
	400	xdg_config && !access(xdg_config, R_OK))
21cf3227	401	given_config_file = xdg_config;
21cf3227	402	else
e3ebc35b	403	given_config_file = user_config;
d64ec16c FC	404	}
d64ec16c FC	405	else if (use_system_config)
270a3443	406	given_config_file = git_etc_gitconfig();
57210a67	407	else if (use_local_config)
270a3443	408	given_config_file = git_pathdup("config");
d64ec16c FC	409	else if (given_config_file) {
d64ec16c FC	410	if (!is_absolute_path(given_config_file) && prefix)
270a3443	411	given_config_file =
839de252 JK	412	xstrdup(prefix_filename(prefix,
	413	strlen(prefix),
	414	given_config_file));
d64ec16c FC	415	}
d64ec16c FC	416
9b25a0b5 JK	417	if (respect_includes == -1)
	418	respect_includes = !given_config_file;
	419
d64ec16c FC	420	if (end_null) {
	421	term = '\0';
	422	delim = '\n';
	423	key_delim = '\n';
	424	}
	425
16c1e939 FC	426	if (HAS_MULTI_BITS(types)) {
	427	error("only one type at a time.");
	428	usage_with_options(builtin_config_usage, builtin_config_options);
	429	}
	430
d64ec16c FC	431	if (get_color_slot)
	432	actions \|= ACTION_GET_COLOR;
	433	if (get_colorbool_slot)
	434	actions \|= ACTION_GET_COLORBOOL;
	435
c2387358 FC	436	if ((get_color_slot \|\| get_colorbool_slot) && types) {
	437	error("--get-color and variable type are incoherent");
	438	usage_with_options(builtin_config_usage, builtin_config_options);
	439	}
	440
d64ec16c FC	441	if (HAS_MULTI_BITS(actions)) {
	442	error("only one action at a time.");
	443	usage_with_options(builtin_config_usage, builtin_config_options);
	444	}
	445	if (actions == 0)
	446	switch (argc) {
	447	case 1: actions = ACTION_GET; break;
	448	case 2: actions = ACTION_SET; break;
	449	case 3: actions = ACTION_SET_ALL; break;
	450	default:
	451	usage_with_options(builtin_config_usage, builtin_config_options);
db1696b8	452	}
d64ec16c FC	453
d64ec16c FC	454	if (actions == ACTION_LIST) {
225a9caf	455	check_argc(argc, 0, 0);
270a3443	456	if (git_config_with_options(show_all_config, NULL,
9b25a0b5 JK	457	given_config_file,
9b25a0b5 JK	458	respect_includes) < 0) {
270a3443	459	if (given_config_file)
d824cbba	460	die_errno("unable to read config file '%s'",
270a3443	461	given_config_file);
d64ec16c FC	462	else
d64ec16c FC	463	die("error processing config file(s)");
db1696b8	464	}
1b1e59c5	465	}
d64ec16c	466	else if (actions == ACTION_EDIT) {
225a9caf	467	check_argc(argc, 0, 0);
270a3443	468	if (!given_config_file && nongit)
d212ca17	469	die("not in a git directory");
d64ec16c	470	git_config(git_default_config, NULL);
270a3443 JK	471	launch_editor(given_config_file ?
270a3443 JK	472	given_config_file : git_path("config"),
d64ec16c FC	473	NULL, NULL);
	474	}
	475	else if (actions == ACTION_SET) {
5a2df368	476	int ret;
d64ec16c FC	477	check_argc(argc, 2, 2);
d64ec16c FC	478	value = normalize_value(argv[0], argv[1]);
270a3443	479	ret = git_config_set_in_file(given_config_file, argv[0], value);
5a2df368 MG	480	if (ret == CONFIG_NOTHING_SET)
5a2df368 MG	481	error("cannot overwrite multiple values with a single value\n"
67e223ed	482	" Use a regexp, --add or --replace-all to change %s.", argv[0]);
5a2df368	483	return ret;
d64ec16c FC	484	}
	485	else if (actions == ACTION_SET_ALL) {
	486	check_argc(argc, 2, 3);
	487	value = normalize_value(argv[0], argv[1]);
270a3443 JK	488	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	489	argv[0], value, argv[2], 0);
d64ec16c FC	490	}
	491	else if (actions == ACTION_ADD) {
	492	check_argc(argc, 2, 2);
	493	value = normalize_value(argv[0], argv[1]);
270a3443 JK	494	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	495	argv[0], value, "^$", 0);
d64ec16c FC	496	}
	497	else if (actions == ACTION_REPLACE_ALL) {
	498	check_argc(argc, 2, 3);
	499	value = normalize_value(argv[0], argv[1]);
270a3443 JK	500	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	501	argv[0], value, argv[2], 1);
d64ec16c FC	502	}
	503	else if (actions == ACTION_GET) {
	504	check_argc(argc, 1, 2);
	505	return get_value(argv[0], argv[1]);
	506	}
	507	else if (actions == ACTION_GET_ALL) {
	508	do_all = 1;
	509	check_argc(argc, 1, 2);
	510	return get_value(argv[0], argv[1]);
	511	}
	512	else if (actions == ACTION_GET_REGEXP) {
	513	show_keys = 1;
	514	use_key_regexp = 1;
	515	do_all = 1;
	516	check_argc(argc, 1, 2);
	517	return get_value(argv[0], argv[1]);
	518	}
	519	else if (actions == ACTION_UNSET) {
	520	check_argc(argc, 1, 2);
	521	if (argc == 2)
270a3443 JK	522	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	523	argv[0], NULL, argv[1], 0);
d64ec16c	524	else
270a3443 JK	525	return git_config_set_in_file(given_config_file,
270a3443 JK	526	argv[0], NULL);
d64ec16c FC	527	}
	528	else if (actions == ACTION_UNSET_ALL) {
	529	check_argc(argc, 1, 2);
270a3443 JK	530	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	531	argv[0], NULL, argv[1], 1);
d64ec16c FC	532	}
	533	else if (actions == ACTION_RENAME_SECTION) {
	534	int ret;
	535	check_argc(argc, 2, 2);
270a3443 JK	536	ret = git_config_rename_section_in_file(given_config_file,
270a3443 JK	537	argv[0], argv[1]);
d64ec16c FC	538	if (ret < 0)
	539	return ret;
	540	if (ret == 0)
	541	die("No such section!");
	542	}
	543	else if (actions == ACTION_REMOVE_SECTION) {
	544	int ret;
	545	check_argc(argc, 1, 1);
270a3443 JK	546	ret = git_config_rename_section_in_file(given_config_file,
270a3443 JK	547	argv[0], NULL);
d64ec16c FC	548	if (ret < 0)
	549	return ret;
	550	if (ret == 0)
	551	die("No such section!");
	552	}
	553	else if (actions == ACTION_GET_COLOR) {
	554	get_color(argv[0]);
	555	}
	556	else if (actions == ACTION_GET_COLORBOOL) {
	557	if (argc == 1)
e269eb79	558	color_stdout_is_tty = git_config_bool("command line", argv[0]);
d64ec16c FC	559	return get_colorbool(argc != 0);
	560	}
	561
1b1e59c5 JS	562	return 0;
1b1e59c5 JS	563	}
6390c905 RS	564
	565	int cmd_repo_config(int argc, const char *argv, const char prefix)
	566	{
	567	fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
	568	return cmd_config(argc, argv, prefix);
	569	}