[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 enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW;

static int use_global_config, use_system_config;
static const char *given_config_file;
static int actions;
static const char *get_color_slot, *get_colorbool_slot;
static int end_null;

#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)

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_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_SET_INT(0, "bool", &type, "value is \"true\" or \"false\"", T_BOOL),
	OPT_SET_INT(0, "int", &type, "value is decimal number", T_INT),
	OPT_SET_INT(0, "bool-or-int", &type, NULL, T_BOOL_OR_INT),
	OPT_GROUP("Other"),
	OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
	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 dup_error = 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) {
		if (value_)
			printf("%s%c", key_, key_delim);
		else
			printf("%s", key_);
	}
	if (seen && !do_all)
		dup_error = 1;
	if (type == T_INT)
		sprintf(value, "%d", git_config_int(key_, value_?value_:""));
	else if (type == T_BOOL)
		vptr = git_config_bool(key_, value_) ? "true" : "false";
	else if (type == T_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
		vptr = value_?value_:"";
	seen++;
	if (dup_error) {
		error("More than one value for the key %s: %s",
				key_, vptr);
	}
	else
		printf("%s%c", vptr, term);

	return 0;
}

static int get_value(const char *key_, const char *regex_)
{
	int ret = -1;
	char *tl;
	char *global = NULL, *repo_config = NULL;
	const char *system_wide = NULL, *local;

	local = config_exclusive_filename;
	if (!local) {
		const char *home = getenv("HOME");
		local = repo_config = git_pathdup("config");
		if (git_config_global() && home)
			global = xstrdup(mkpath("%s/.gitconfig", home));
		if (git_config_system())
			system_wide = git_etc_gitconfig();
	}

	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);

	if (use_key_regexp) {
		key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
		if (regcomp(key_regexp, key, REG_EXTENDED)) {
			fprintf(stderr, "Invalid key pattern: %s\n", key_);
			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;
		}
	}

	if (do_all && system_wide)
		git_config_from_file(show_config, system_wide, NULL);
	if (do_all && global)
		git_config_from_file(show_config, global, NULL);
	git_config_from_file(show_config, local, NULL);
	if (!do_all && !seen && global)
		git_config_from_file(show_config, global, NULL);
	if (!do_all && !seen && system_wide)
		git_config_from_file(show_config, system_wide, NULL);

	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);
	return ret;
}

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

	if (!value)
		return NULL;

	if (type == T_RAW)
		normalized = xstrdup(value);
	else {
		normalized = xmalloc(64);
		if (type == T_INT) {
			int v = git_config_int(key, value);
			sprintf(normalized, "%d", v);
		}
		else if (type == T_BOOL)
			sprintf(normalized, "%s",
				git_config_bool(key, value) ? "true" : "false");
		else if (type == T_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(git_get_color_config, NULL);

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

	fputs(parsed_color, stdout);
}

static int stdout_is_tty;
static int get_colorbool_found;
static int get_diff_color_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, stdout_is_tty);
	}
	if (!strcmp(var, "diff.color")) {
		get_diff_color_found =
			git_config_colorbool(var, value, stdout_is_tty);
	}
	if (!strcmp(var, "color.ui")) {
		git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
		return 0;
	}
	return 0;
}

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

	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 = git_use_color_default;
	}

	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 *unused_prefix)
{
	int nongit;
	char *value;
	const char *prefix = setup_git_directory_gently(&nongit);

	config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);

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

	if (use_global_config + use_system_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 *home = getenv("HOME");
		if (home) {
			char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
			config_exclusive_filename = user_config;
		} else {
			die("$HOME not set");
		}
	}
	else if (use_system_config)
		config_exclusive_filename = git_etc_gitconfig();
	else if (given_config_file) {
		if (!is_absolute_path(given_config_file) && prefix)
			config_exclusive_filename = prefix_filename(prefix,
								    strlen(prefix),
								    argv[2]);
		else
			config_exclusive_filename = given_config_file;
	}

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

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

	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) {
		if (git_config(show_all_config, NULL) < 0) {
			if (config_exclusive_filename)
				die("unable to read config file %s: %s",
				    config_exclusive_filename, strerror(errno));
			else
				die("error processing config file(s)");
		}
	}
	else if (actions == ACTION_EDIT) {
		git_config(git_default_config, NULL);
		launch_editor(config_exclusive_filename ?
			      config_exclusive_filename : git_path("config"),
			      NULL, NULL);
	}
	else if (actions == ACTION_SET) {
		check_argc(argc, 2, 2);
		value = normalize_value(argv[0], argv[1]);
		return git_config_set(argv[0], value);
	}
	else if (actions == ACTION_SET_ALL) {
		check_argc(argc, 2, 3);
		value = normalize_value(argv[0], argv[1]);
		return git_config_set_multivar(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(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(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(argv[0], NULL, argv[1], 0);
		else
			return git_config_set(argv[0], NULL);
	}
	else if (actions == ACTION_UNSET_ALL) {
		check_argc(argc, 1, 2);
		return git_config_set_multivar(argv[0], NULL, argv[1], 1);
	}
	else if (actions == ACTION_RENAME_SECTION) {
		int ret;
		check_argc(argc, 2, 2);
		ret = git_config_rename_section(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(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)
			stdout_is_tty = git_config_bool("command line", argv[0]);
		else if (argc == 0)
			stdout_is_tty = isatty(1);
		return get_colorbool(argc != 0);
	}

	return 0;
}
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';
c35b0b58	22	static enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW;
4ddba79d	23
d64ec16c FC	24	static int use_global_config, use_system_config;
	25	static const char *given_config_file;
	26	static int actions;
	27	static const char get_color_slot, get_colorbool_slot;
	28	static int end_null;
	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
	46	static struct option builtin_config_options[] = {
	47	OPT_GROUP("Config file location"),
	48	OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
	49	OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
	50	OPT_STRING('f', "file", &given_config_file, "FILE", "use given config file"),
	51	OPT_GROUP("Action"),
	52	OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
	53	OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
	54	OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
	55	OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name [value [value_regex]", ACTION_REPLACE_ALL),
	56	OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
	57	OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
	58	OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
	59	OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
	60	OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
	61	OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
	62	OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
	63	OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
	64	OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
	65	OPT_GROUP("Type"),
	66	OPT_SET_INT(0, "bool", &type, "value is \"true\" or \"false\"", T_BOOL),
	67	OPT_SET_INT(0, "int", &type, "value is decimal number", T_INT),
	68	OPT_SET_INT(0, "bool-or-int", &type, NULL, T_BOOL_OR_INT),
	69	OPT_GROUP("Other"),
	70	OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
	71	OPT_END(),
	72	};
	73
	74	static void check_argc(int argc, int min, int max) {
	75	if (argc >= min && argc <= max)
	76	return;
	77	error("wrong number of arguments");
	78	usage_with_options(builtin_config_usage, builtin_config_options);
	79	}
	80
ef90d6d4	81	static int show_all_config(const char key_, const char value_, void *cb)
de791f15 PB	82	{
de791f15 PB	83	if (value_)
2275d502	84	printf("%s%c%s%c", key_, delim, value_, term);
de791f15	85	else
2275d502	86	printf("%s%c", key_, term);
de791f15 PB	87	return 0;
	88	}
	89
4b951b7e	90	static int show_config(const char key_, const char value_, void *cb)
4ddba79d	91	{
e098c6f8 JH	92	char value[256];
e098c6f8 JH	93	const char *vptr = value;
8f5ff31f	94	int dup_error = 0;
e098c6f8	95
8f5ff31f JS	96	if (!use_key_regexp && strcmp(key_, key))
	97	return 0;
	98	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
	99	return 0;
	100	if (regexp != NULL &&
9e4bbeb9	101	(do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f JS	102	return 0;
8f5ff31f JS	103
b69ba460 FL	104	if (show_keys) {
b69ba460 FL	105	if (value_)
2275d502	106	printf("%s%c", key_, key_delim);
b69ba460 FL	107	else
	108	printf("%s", key_);
	109	}
8f5ff31f JS	110	if (seen && !do_all)
	111	dup_error = 1;
	112	if (type == T_INT)
acb70149	113	sprintf(value, "%d", git_config_int(key_, value_?value_:""));
8f5ff31f JS	114	else if (type == T_BOOL)
8f5ff31f JS	115	vptr = git_config_bool(key_, value_) ? "true" : "false";
c35b0b58 JH	116	else if (type == T_BOOL_OR_INT) {
	117	int is_bool, v;
	118	v = git_config_bool_or_int(key_, value_, &is_bool);
	119	if (is_bool)
	120	vptr = v ? "true" : "false";
	121	else
	122	sprintf(value, "%d", v);
	123	}
8f5ff31f	124	else
acb70149	125	vptr = value_?value_:"";
8f5ff31f JS	126	seen++;
	127	if (dup_error) {
	128	error("More than one value for the key %s: %s",
	129	key_, vptr);
4ddba79d	130	}
8f5ff31f	131	else
2275d502	132	printf("%s%c", vptr, term);
8f5ff31f	133
4ddba79d JS	134	return 0;
	135	}
	136
4b951b7e	137	static int get_value(const char key_, const char regex_)
4ddba79d	138	{
5f1a63e0	139	int ret = -1;
d14f7764	140	char *tl;
5f1a63e0	141	char global = NULL, repo_config = NULL;
32043c9f	142	const char system_wide = NULL, local;
5f1a63e0	143
dc871831	144	local = config_exclusive_filename;
5f1a63e0 JS	145	if (!local) {
5f1a63e0 JS	146	const char *home = getenv("HOME");
a4f34cbb	147	local = repo_config = git_pathdup("config");
ab88c363	148	if (git_config_global() && home)
9befac47	149	global = xstrdup(mkpath("%s/.gitconfig", home));
ab88c363 JK	150	if (git_config_system())
ab88c363 JK	151	system_wide = git_etc_gitconfig();
5f1a63e0	152	}
4ddba79d	153
9befac47	154	key = xstrdup(key_);
d14f7764 LT	155	for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
	156	tl = tolower(tl);
	157	for (tl=key; tl && tl != '.'; ++tl)
	158	tl = tolower(tl);
4ddba79d	159
2fa9a0fb	160	if (use_key_regexp) {
2d7320d0	161	key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb	162	if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8	163	fprintf(stderr, "Invalid key pattern: %s\n", key_);
5f1a63e0	164	goto free_strings;
2fa9a0fb JS	165	}
	166	}
	167
4ddba79d	168	if (regex_) {
f98d863d JS	169	if (regex_[0] == '!') {
	170	do_not_match = 1;
	171	regex_++;
	172	}
	173
2d7320d0	174	regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171	175	if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d	176	fprintf(stderr, "Invalid pattern: %s\n", regex_);
5f1a63e0	177	goto free_strings;
4ddba79d JS	178	}
	179	}
	180
32043c9f	181	if (do_all && system_wide)
ef90d6d4	182	git_config_from_file(show_config, system_wide, NULL);
5f1a63e0	183	if (do_all && global)
ef90d6d4 JS	184	git_config_from_file(show_config, global, NULL);
ef90d6d4 JS	185	git_config_from_file(show_config, local, NULL);
5f1a63e0	186	if (!do_all && !seen && global)
ef90d6d4	187	git_config_from_file(show_config, global, NULL);
32043c9f	188	if (!do_all && !seen && system_wide)
ef90d6d4	189	git_config_from_file(show_config, system_wide, NULL);
5f1a63e0	190
4ddba79d	191	free(key);
0a152171 AW	192	if (regexp) {
	193	regfree(regexp);
	194	free(regexp);
4ddba79d JS	195	}
	196
	197	if (do_all)
5f1a63e0 JS	198	ret = !seen;
5f1a63e0 JS	199	else
dc2613de	200	ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0 JS	201
5f1a63e0 JS	202	free_strings:
4cac42b1 JH	203	free(repo_config);
4cac42b1 JH	204	free(global);
5f1a63e0	205	return ret;
4ddba79d	206	}
1b1e59c5	207
186458b1	208	static char normalize_value(const char key, const char *value)
db1696b8 FL	209	{
	210	char *normalized;
	211
	212	if (!value)
	213	return NULL;
	214
	215	if (type == T_RAW)
	216	normalized = xstrdup(value);
	217	else {
	218	normalized = xmalloc(64);
	219	if (type == T_INT) {
	220	int v = git_config_int(key, value);
	221	sprintf(normalized, "%d", v);
	222	}
	223	else if (type == T_BOOL)
	224	sprintf(normalized, "%s",
	225	git_config_bool(key, value) ? "true" : "false");
c35b0b58 JH	226	else if (type == T_BOOL_OR_INT) {
	227	int is_bool, v;
	228	v = git_config_bool_or_int(key, value, &is_bool);
	229	if (!is_bool)
	230	sprintf(normalized, "%d", v);
	231	else
	232	sprintf(normalized, "%s", v ? "true" : "false");
	233	}
db1696b8 FL	234	}
	235
	236	return normalized;
	237	}
	238
9ce03522 JH	239	static int get_color_found;
9ce03522 JH	240	static const char *get_color_slot;
b408457f	241	static const char *get_colorbool_slot;
9ce03522 JH	242	static char parsed_color[COLOR_MAXLEN];
9ce03522 JH	243
ef90d6d4	244	static int git_get_color_config(const char var, const char value, void *cb)
9ce03522 JH	245	{
9ce03522 JH	246	if (!strcmp(var, get_color_slot)) {
f769982d JH	247	if (!value)
f769982d JH	248	config_error_nonbool(var);
9ce03522 JH	249	color_parse(value, var, parsed_color);
	250	get_color_found = 1;
	251	}
	252	return 0;
	253	}
	254
0e854a28	255	static void get_color(const char *def_color)
9ce03522	256	{
9ce03522 JH	257	get_color_found = 0;
9ce03522 JH	258	parsed_color[0] = '\0';
ef90d6d4	259	git_config(git_get_color_config, NULL);
9ce03522 JH	260
	261	if (!get_color_found && def_color)
	262	color_parse(def_color, "command line", parsed_color);
	263
	264	fputs(parsed_color, stdout);
9ce03522 JH	265	}
9ce03522 JH	266
0f6f5a40 JH	267	static int stdout_is_tty;
0f6f5a40 JH	268	static int get_colorbool_found;
69243c2b	269	static int get_diff_color_found;
ef90d6d4 JS	270	static int git_get_colorbool_config(const char var, const char value,
ef90d6d4 JS	271	void *cb)
0f6f5a40	272	{
b408457f	273	if (!strcmp(var, get_colorbool_slot)) {
0f6f5a40 JH	274	get_colorbool_found =
0f6f5a40 JH	275	git_config_colorbool(var, value, stdout_is_tty);
69243c2b JH	276	}
	277	if (!strcmp(var, "diff.color")) {
	278	get_diff_color_found =
	279	git_config_colorbool(var, value, stdout_is_tty);
	280	}
4d4f5ba3 MK	281	if (!strcmp(var, "color.ui")) {
	282	git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
	283	return 0;
	284	}
0f6f5a40 JH	285	return 0;
	286	}
	287
0e854a28	288	static int get_colorbool(int print)
0f6f5a40	289	{
69243c2b JH	290	get_colorbool_found = -1;
69243c2b JH	291	get_diff_color_found = -1;
ef90d6d4	292	git_config(git_get_colorbool_config, NULL);
0f6f5a40	293
69243c2b	294	if (get_colorbool_found < 0) {
b408457f	295	if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b JH	296	get_colorbool_found = get_diff_color_found;
69243c2b JH	297	if (get_colorbool_found < 0)
4d4f5ba3	298	get_colorbool_found = git_use_color_default;
69243c2b JH	299	}
69243c2b JH	300
0e854a28	301	if (print) {
0f6f5a40 JH	302	printf("%s\n", get_colorbool_found ? "true" : "false");
0f6f5a40 JH	303	return 0;
0e854a28 FC	304	} else
0e854a28 FC	305	return get_colorbool_found ? 0 : 1;
0f6f5a40 JH	306	}
0f6f5a40 JH	307
b408457f	308	int cmd_config(int argc, const char *argv, const char unused_prefix)
1b1e59c5	309	{
af05d679	310	int nongit;
4b951b7e	311	char *value;
b408457f	312	const char *prefix = setup_git_directory_gently(&nongit);
7162dff3	313
dc871831 DB	314	config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
dc871831 DB	315
d64ec16c FC	316	argc = parse_options(argc, argv, builtin_config_options, builtin_config_usage,
	317	PARSE_OPT_STOP_AT_NON_OPTION);
	318
67052c9d FC	319	if (use_global_config + use_system_config + !!given_config_file > 1) {
	320	error("only one config file at a time.");
	321	usage_with_options(builtin_config_usage, builtin_config_options);
	322	}
	323
d64ec16c FC	324	if (use_global_config) {
	325	char *home = getenv("HOME");
	326	if (home) {
	327	char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
	328	config_exclusive_filename = user_config;
db1696b8	329	} else {
d64ec16c	330	die("$HOME not set");
db1696b8	331	}
d64ec16c FC	332	}
	333	else if (use_system_config)
	334	config_exclusive_filename = git_etc_gitconfig();
	335	else if (given_config_file) {
	336	if (!is_absolute_path(given_config_file) && prefix)
	337	config_exclusive_filename = prefix_filename(prefix,
	338	strlen(prefix),
	339	argv[2]);
	340	else
	341	config_exclusive_filename = given_config_file;
	342	}
	343
	344	if (end_null) {
	345	term = '\0';
	346	delim = '\n';
	347	key_delim = '\n';
	348	}
	349
	350	if (get_color_slot)
	351	actions \|= ACTION_GET_COLOR;
	352	if (get_colorbool_slot)
	353	actions \|= ACTION_GET_COLORBOOL;
	354
	355	if (HAS_MULTI_BITS(actions)) {
	356	error("only one action at a time.");
	357	usage_with_options(builtin_config_usage, builtin_config_options);
	358	}
	359	if (actions == 0)
	360	switch (argc) {
	361	case 1: actions = ACTION_GET; break;
	362	case 2: actions = ACTION_SET; break;
	363	case 3: actions = ACTION_SET_ALL; break;
	364	default:
	365	usage_with_options(builtin_config_usage, builtin_config_options);
db1696b8	366	}
d64ec16c FC	367
	368	if (actions == ACTION_LIST) {
	369	if (git_config(show_all_config, NULL) < 0) {
	370	if (config_exclusive_filename)
	371	die("unable to read config file %s: %s",
	372	config_exclusive_filename, strerror(errno));
	373	else
	374	die("error processing config file(s)");
db1696b8	375	}
1b1e59c5	376	}
d64ec16c FC	377	else if (actions == ACTION_EDIT) {
	378	git_config(git_default_config, NULL);
	379	launch_editor(config_exclusive_filename ?
	380	config_exclusive_filename : git_path("config"),
	381	NULL, NULL);
	382	}
	383	else if (actions == ACTION_SET) {
	384	check_argc(argc, 2, 2);
	385	value = normalize_value(argv[0], argv[1]);
	386	return git_config_set(argv[0], value);
	387	}
	388	else if (actions == ACTION_SET_ALL) {
	389	check_argc(argc, 2, 3);
	390	value = normalize_value(argv[0], argv[1]);
	391	return git_config_set_multivar(argv[0], value, argv[2], 0);
	392	}
	393	else if (actions == ACTION_ADD) {
	394	check_argc(argc, 2, 2);
	395	value = normalize_value(argv[0], argv[1]);
	396	return git_config_set_multivar(argv[0], value, "^$", 0);
	397	}
	398	else if (actions == ACTION_REPLACE_ALL) {
	399	check_argc(argc, 2, 3);
	400	value = normalize_value(argv[0], argv[1]);
	401	return git_config_set_multivar(argv[0], value, argv[2], 1);
	402	}
	403	else if (actions == ACTION_GET) {
	404	check_argc(argc, 1, 2);
	405	return get_value(argv[0], argv[1]);
	406	}
	407	else if (actions == ACTION_GET_ALL) {
	408	do_all = 1;
	409	check_argc(argc, 1, 2);
	410	return get_value(argv[0], argv[1]);
	411	}
	412	else if (actions == ACTION_GET_REGEXP) {
	413	show_keys = 1;
	414	use_key_regexp = 1;
	415	do_all = 1;
	416	check_argc(argc, 1, 2);
	417	return get_value(argv[0], argv[1]);
	418	}
	419	else if (actions == ACTION_UNSET) {
	420	check_argc(argc, 1, 2);
	421	if (argc == 2)
	422	return git_config_set_multivar(argv[0], NULL, argv[1], 0);
	423	else
	424	return git_config_set(argv[0], NULL);
	425	}
	426	else if (actions == ACTION_UNSET_ALL) {
	427	check_argc(argc, 1, 2);
	428	return git_config_set_multivar(argv[0], NULL, argv[1], 1);
	429	}
	430	else if (actions == ACTION_RENAME_SECTION) {
	431	int ret;
	432	check_argc(argc, 2, 2);
	433	ret = git_config_rename_section(argv[0], argv[1]);
	434	if (ret < 0)
	435	return ret;
	436	if (ret == 0)
	437	die("No such section!");
	438	}
	439	else if (actions == ACTION_REMOVE_SECTION) {
	440	int ret;
441	check_argc(argc, 1, 1);
442	ret = git_config_rename_section(argv[0], NULL);
443	if (ret < 0)
444	return ret;
445	if (ret == 0)
446	die("No such section!");
447	}
448	else if (actions == ACTION_GET_COLOR) {
449	get_color(argv[0]);
450	}
451	else if (actions == ACTION_GET_COLORBOOL) {
452	if (argc == 1)
453	stdout_is_tty = git_config_bool("command line", argv[0]);
454	else if (argc == 0)
455	stdout_is_tty = isatty(1);
456	return get_colorbool(argc != 0);
457	}
458
1b1e59c5 JS	459	return 0;
1b1e59c5 JS	460	}