[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;
static const char *given_config_file;
static int actions, types;
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)

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

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_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_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 (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
		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 (types == 0)
		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(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, prefix, 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 (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(show_all_config, NULL) < 0) {
			if (config_exclusive_filename)
				die_errno("unable to read config file '%s'",
					  config_exclusive_filename);
			else
				die("error processing config file(s)");
		}
	}
	else if (actions == ACTION_EDIT) {
		check_argc(argc, 0, 0);
		if (!config_exclusive_filename && nongit)
			die("not in a git directory");
		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';
4ddba79d	22
d64ec16c FC	23	static int use_global_config, use_system_config;
d64ec16c FC	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;
	27	static int end_null;
	28
	29	#define ACTION_GET (1<<0)
	30	#define ACTION_GET_ALL (1<<1)
	31	#define ACTION_GET_REGEXP (1<<2)
	32	#define ACTION_REPLACE_ALL (1<<3)
	33	#define ACTION_ADD (1<<4)
	34	#define ACTION_UNSET (1<<5)
	35	#define ACTION_UNSET_ALL (1<<6)
	36	#define ACTION_RENAME_SECTION (1<<7)
	37	#define ACTION_REMOVE_SECTION (1<<8)
	38	#define ACTION_LIST (1<<9)
	39	#define ACTION_EDIT (1<<10)
	40	#define ACTION_SET (1<<11)
	41	#define ACTION_SET_ALL (1<<12)
	42	#define ACTION_GET_COLOR (1<<13)
	43	#define ACTION_GET_COLORBOOL (1<<14)
	44
16c1e939 FC	45	#define TYPE_BOOL (1<<0)
	46	#define TYPE_INT (1<<1)
	47	#define TYPE_BOOL_OR_INT (1<<2)
	48
d64ec16c FC	49	static struct option builtin_config_options[] = {
	50	OPT_GROUP("Config file location"),
	51	OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
	52	OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
	53	OPT_STRING('f', "file", &given_config_file, "FILE", "use given config file"),
	54	OPT_GROUP("Action"),
	55	OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
	56	OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
	57	OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
bf71b4b3	58	OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL),
d64ec16c FC	59	OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
	60	OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
	61	OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
	62	OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
	63	OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
	64	OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
	65	OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
	66	OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
	67	OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
	68	OPT_GROUP("Type"),
16c1e939 FC	69	OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
16c1e939 FC	70	OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
ba048224	71	OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT),
d64ec16c FC	72	OPT_GROUP("Other"),
	73	OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
	74	OPT_END(),
	75	};
	76
	77	static void check_argc(int argc, int min, int max) {
	78	if (argc >= min && argc <= max)
	79	return;
	80	error("wrong number of arguments");
	81	usage_with_options(builtin_config_usage, builtin_config_options);
	82	}
	83
ef90d6d4	84	static int show_all_config(const char key_, const char value_, void *cb)
de791f15 PB	85	{
de791f15 PB	86	if (value_)
2275d502	87	printf("%s%c%s%c", key_, delim, value_, term);
de791f15	88	else
2275d502	89	printf("%s%c", key_, term);
de791f15 PB	90	return 0;
	91	}
	92
4b951b7e	93	static int show_config(const char key_, const char value_, void *cb)
4ddba79d	94	{
e098c6f8 JH	95	char value[256];
e098c6f8 JH	96	const char *vptr = value;
8f5ff31f	97	int dup_error = 0;
e098c6f8	98
8f5ff31f JS	99	if (!use_key_regexp && strcmp(key_, key))
	100	return 0;
	101	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
	102	return 0;
	103	if (regexp != NULL &&
9e4bbeb9	104	(do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f JS	105	return 0;
8f5ff31f JS	106
b69ba460 FL	107	if (show_keys) {
b69ba460 FL	108	if (value_)
2275d502	109	printf("%s%c", key_, key_delim);
b69ba460 FL	110	else
	111	printf("%s", key_);
	112	}
8f5ff31f JS	113	if (seen && !do_all)
8f5ff31f JS	114	dup_error = 1;
16c1e939	115	if (types == TYPE_INT)
acb70149	116	sprintf(value, "%d", git_config_int(key_, value_?value_:""));
16c1e939	117	else if (types == TYPE_BOOL)
8f5ff31f	118	vptr = git_config_bool(key_, value_) ? "true" : "false";
16c1e939	119	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	120	int is_bool, v;
	121	v = git_config_bool_or_int(key_, value_, &is_bool);
	122	if (is_bool)
	123	vptr = v ? "true" : "false";
	124	else
	125	sprintf(value, "%d", v);
	126	}
8f5ff31f	127	else
acb70149	128	vptr = value_?value_:"";
8f5ff31f JS	129	seen++;
	130	if (dup_error) {
	131	error("More than one value for the key %s: %s",
	132	key_, vptr);
4ddba79d	133	}
8f5ff31f	134	else
2275d502	135	printf("%s%c", vptr, term);
8f5ff31f	136
4ddba79d JS	137	return 0;
	138	}
	139
4b951b7e	140	static int get_value(const char key_, const char regex_)
4ddba79d	141	{
5f1a63e0	142	int ret = -1;
d14f7764	143	char *tl;
5f1a63e0	144	char global = NULL, repo_config = NULL;
32043c9f	145	const char system_wide = NULL, local;
5f1a63e0	146
dc871831	147	local = config_exclusive_filename;
5f1a63e0 JS	148	if (!local) {
5f1a63e0 JS	149	const char *home = getenv("HOME");
a4f34cbb	150	local = repo_config = git_pathdup("config");
ab88c363	151	if (git_config_global() && home)
9befac47	152	global = xstrdup(mkpath("%s/.gitconfig", home));
ab88c363 JK	153	if (git_config_system())
ab88c363 JK	154	system_wide = git_etc_gitconfig();
5f1a63e0	155	}
4ddba79d	156
9befac47	157	key = xstrdup(key_);
d14f7764 LT	158	for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
	159	tl = tolower(tl);
	160	for (tl=key; tl && tl != '.'; ++tl)
	161	tl = tolower(tl);
4ddba79d	162
2fa9a0fb	163	if (use_key_regexp) {
2d7320d0	164	key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb	165	if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8	166	fprintf(stderr, "Invalid key pattern: %s\n", key_);
5f1a63e0	167	goto free_strings;
2fa9a0fb JS	168	}
	169	}
	170
4ddba79d	171	if (regex_) {
f98d863d JS	172	if (regex_[0] == '!') {
	173	do_not_match = 1;
	174	regex_++;
	175	}
	176
2d7320d0	177	regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171	178	if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d	179	fprintf(stderr, "Invalid pattern: %s\n", regex_);
5f1a63e0	180	goto free_strings;
4ddba79d JS	181	}
	182	}
	183
32043c9f	184	if (do_all && system_wide)
ef90d6d4	185	git_config_from_file(show_config, system_wide, NULL);
5f1a63e0	186	if (do_all && global)
ef90d6d4 JS	187	git_config_from_file(show_config, global, NULL);
ef90d6d4 JS	188	git_config_from_file(show_config, local, NULL);
5f1a63e0	189	if (!do_all && !seen && global)
ef90d6d4	190	git_config_from_file(show_config, global, NULL);
32043c9f	191	if (!do_all && !seen && system_wide)
ef90d6d4	192	git_config_from_file(show_config, system_wide, NULL);
5f1a63e0	193
4ddba79d	194	free(key);
0a152171 AW	195	if (regexp) {
	196	regfree(regexp);
	197	free(regexp);
4ddba79d JS	198	}
	199
	200	if (do_all)
5f1a63e0 JS	201	ret = !seen;
5f1a63e0 JS	202	else
dc2613de	203	ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0 JS	204
5f1a63e0 JS	205	free_strings:
4cac42b1 JH	206	free(repo_config);
4cac42b1 JH	207	free(global);
5f1a63e0	208	return ret;
4ddba79d	209	}
1b1e59c5	210
186458b1	211	static char normalize_value(const char key, const char *value)
db1696b8 FL	212	{
	213	char *normalized;
	214
	215	if (!value)
	216	return NULL;
	217
16c1e939	218	if (types == 0)
db1696b8 FL	219	normalized = xstrdup(value);
	220	else {
	221	normalized = xmalloc(64);
16c1e939	222	if (types == TYPE_INT) {
db1696b8 FL	223	int v = git_config_int(key, value);
	224	sprintf(normalized, "%d", v);
	225	}
16c1e939	226	else if (types == TYPE_BOOL)
db1696b8 FL	227	sprintf(normalized, "%s",
db1696b8 FL	228	git_config_bool(key, value) ? "true" : "false");
16c1e939	229	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	230	int is_bool, v;
	231	v = git_config_bool_or_int(key, value, &is_bool);
	232	if (!is_bool)
	233	sprintf(normalized, "%d", v);
	234	else
	235	sprintf(normalized, "%s", v ? "true" : "false");
	236	}
db1696b8 FL	237	}
	238
	239	return normalized;
	240	}
	241
9ce03522 JH	242	static int get_color_found;
9ce03522 JH	243	static const char *get_color_slot;
b408457f	244	static const char *get_colorbool_slot;
9ce03522 JH	245	static char parsed_color[COLOR_MAXLEN];
9ce03522 JH	246
ef90d6d4	247	static int git_get_color_config(const char var, const char value, void *cb)
9ce03522 JH	248	{
9ce03522 JH	249	if (!strcmp(var, get_color_slot)) {
f769982d JH	250	if (!value)
f769982d JH	251	config_error_nonbool(var);
9ce03522 JH	252	color_parse(value, var, parsed_color);
	253	get_color_found = 1;
	254	}
	255	return 0;
	256	}
	257
0e854a28	258	static void get_color(const char *def_color)
9ce03522	259	{
9ce03522 JH	260	get_color_found = 0;
9ce03522 JH	261	parsed_color[0] = '\0';
ef90d6d4	262	git_config(git_get_color_config, NULL);
9ce03522 JH	263
	264	if (!get_color_found && def_color)
	265	color_parse(def_color, "command line", parsed_color);
	266
	267	fputs(parsed_color, stdout);
9ce03522 JH	268	}
9ce03522 JH	269
0f6f5a40 JH	270	static int stdout_is_tty;
0f6f5a40 JH	271	static int get_colorbool_found;
69243c2b	272	static int get_diff_color_found;
ef90d6d4 JS	273	static int git_get_colorbool_config(const char var, const char value,
ef90d6d4 JS	274	void *cb)
0f6f5a40	275	{
b408457f	276	if (!strcmp(var, get_colorbool_slot)) {
0f6f5a40 JH	277	get_colorbool_found =
0f6f5a40 JH	278	git_config_colorbool(var, value, stdout_is_tty);
69243c2b JH	279	}
	280	if (!strcmp(var, "diff.color")) {
	281	get_diff_color_found =
	282	git_config_colorbool(var, value, stdout_is_tty);
	283	}
4d4f5ba3 MK	284	if (!strcmp(var, "color.ui")) {
	285	git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
	286	return 0;
	287	}
0f6f5a40 JH	288	return 0;
	289	}
	290
0e854a28	291	static int get_colorbool(int print)
0f6f5a40	292	{
69243c2b JH	293	get_colorbool_found = -1;
69243c2b JH	294	get_diff_color_found = -1;
ef90d6d4	295	git_config(git_get_colorbool_config, NULL);
0f6f5a40	296
69243c2b	297	if (get_colorbool_found < 0) {
b408457f	298	if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b JH	299	get_colorbool_found = get_diff_color_found;
69243c2b JH	300	if (get_colorbool_found < 0)
4d4f5ba3	301	get_colorbool_found = git_use_color_default;
69243c2b JH	302	}
69243c2b JH	303
0e854a28	304	if (print) {
0f6f5a40 JH	305	printf("%s\n", get_colorbool_found ? "true" : "false");
0f6f5a40 JH	306	return 0;
0e854a28 FC	307	} else
0e854a28 FC	308	return get_colorbool_found ? 0 : 1;
0f6f5a40 JH	309	}
0f6f5a40 JH	310
b408457f	311	int cmd_config(int argc, const char *argv, const char unused_prefix)
1b1e59c5	312	{
af05d679	313	int nongit;
4b951b7e	314	char *value;
b408457f	315	const char *prefix = setup_git_directory_gently(&nongit);
7162dff3	316
dc871831 DB	317	config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
dc871831 DB	318
37782920 SB	319	argc = parse_options(argc, argv, prefix, builtin_config_options,
37782920 SB	320	builtin_config_usage,
d64ec16c FC	321	PARSE_OPT_STOP_AT_NON_OPTION);
d64ec16c FC	322
67052c9d FC	323	if (use_global_config + use_system_config + !!given_config_file > 1) {
	324	error("only one config file at a time.");
	325	usage_with_options(builtin_config_usage, builtin_config_options);
	326	}
	327
d64ec16c FC	328	if (use_global_config) {
	329	char *home = getenv("HOME");
	330	if (home) {
	331	char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
	332	config_exclusive_filename = user_config;
db1696b8	333	} else {
d64ec16c	334	die("$HOME not set");
db1696b8	335	}
d64ec16c FC	336	}
	337	else if (use_system_config)
	338	config_exclusive_filename = git_etc_gitconfig();
	339	else if (given_config_file) {
	340	if (!is_absolute_path(given_config_file) && prefix)
	341	config_exclusive_filename = prefix_filename(prefix,
	342	strlen(prefix),
	343	argv[2]);
	344	else
	345	config_exclusive_filename = given_config_file;
	346	}
	347
	348	if (end_null) {
	349	term = '\0';
	350	delim = '\n';
	351	key_delim = '\n';
	352	}
	353
16c1e939 FC	354	if (HAS_MULTI_BITS(types)) {
	355	error("only one type at a time.");
	356	usage_with_options(builtin_config_usage, builtin_config_options);
	357	}
	358
d64ec16c FC	359	if (get_color_slot)
	360	actions \|= ACTION_GET_COLOR;
	361	if (get_colorbool_slot)
	362	actions \|= ACTION_GET_COLORBOOL;
	363
c2387358 FC	364	if ((get_color_slot \|\| get_colorbool_slot) && types) {
	365	error("--get-color and variable type are incoherent");
	366	usage_with_options(builtin_config_usage, builtin_config_options);
	367	}
	368
d64ec16c FC	369	if (HAS_MULTI_BITS(actions)) {
	370	error("only one action at a time.");
	371	usage_with_options(builtin_config_usage, builtin_config_options);
	372	}
	373	if (actions == 0)
	374	switch (argc) {
	375	case 1: actions = ACTION_GET; break;
	376	case 2: actions = ACTION_SET; break;
	377	case 3: actions = ACTION_SET_ALL; break;
	378	default:
	379	usage_with_options(builtin_config_usage, builtin_config_options);
db1696b8	380	}
d64ec16c FC	381
d64ec16c FC	382	if (actions == ACTION_LIST) {
225a9caf	383	check_argc(argc, 0, 0);
d64ec16c FC	384	if (git_config(show_all_config, NULL) < 0) {
d64ec16c FC	385	if (config_exclusive_filename)
d824cbba TR	386	die_errno("unable to read config file '%s'",
d824cbba TR	387	config_exclusive_filename);
d64ec16c FC	388	else
d64ec16c FC	389	die("error processing config file(s)");
db1696b8	390	}
1b1e59c5	391	}
d64ec16c	392	else if (actions == ACTION_EDIT) {
225a9caf	393	check_argc(argc, 0, 0);
d212ca17 FC	394	if (!config_exclusive_filename && nongit)
d212ca17 FC	395	die("not in a git directory");
d64ec16c FC	396	git_config(git_default_config, NULL);
	397	launch_editor(config_exclusive_filename ?
	398	config_exclusive_filename : git_path("config"),
	399	NULL, NULL);
	400	}
	401	else if (actions == ACTION_SET) {
	402	check_argc(argc, 2, 2);
	403	value = normalize_value(argv[0], argv[1]);
	404	return git_config_set(argv[0], value);
	405	}
	406	else if (actions == ACTION_SET_ALL) {
	407	check_argc(argc, 2, 3);
	408	value = normalize_value(argv[0], argv[1]);
	409	return git_config_set_multivar(argv[0], value, argv[2], 0);
	410	}
	411	else if (actions == ACTION_ADD) {
	412	check_argc(argc, 2, 2);
	413	value = normalize_value(argv[0], argv[1]);
	414	return git_config_set_multivar(argv[0], value, "^$", 0);
	415	}
	416	else if (actions == ACTION_REPLACE_ALL) {
	417	check_argc(argc, 2, 3);
	418	value = normalize_value(argv[0], argv[1]);
	419	return git_config_set_multivar(argv[0], value, argv[2], 1);
	420	}
	421	else if (actions == ACTION_GET) {
	422	check_argc(argc, 1, 2);
	423	return get_value(argv[0], argv[1]);
	424	}
	425	else if (actions == ACTION_GET_ALL) {
	426	do_all = 1;
	427	check_argc(argc, 1, 2);
	428	return get_value(argv[0], argv[1]);
	429	}
	430	else if (actions == ACTION_GET_REGEXP) {
	431	show_keys = 1;
	432	use_key_regexp = 1;
	433	do_all = 1;
	434	check_argc(argc, 1, 2);
	435	return get_value(argv[0], argv[1]);
	436	}
	437	else if (actions == ACTION_UNSET) {
	438	check_argc(argc, 1, 2);
	439	if (argc == 2)
	440	return git_config_set_multivar(argv[0], NULL, argv[1], 0);
	441	else
	442	return git_config_set(argv[0], NULL);
	443	}
	444	else if (actions == ACTION_UNSET_ALL) {
	445	check_argc(argc, 1, 2);
	446	return git_config_set_multivar(argv[0], NULL, argv[1], 1);
	447	}
	448	else if (actions == ACTION_RENAME_SECTION) {
	449	int ret;
	450	check_argc(argc, 2, 2);
	451	ret = git_config_rename_section(argv[0], argv[1]);
	452	if (ret < 0)
	453	return ret;
	454	if (ret == 0)
	455	die("No such section!");
	456	}
	457	else if (actions == ACTION_REMOVE_SECTION) {
	458	int ret;
	459	check_argc(argc, 1, 1);
460	ret = git_config_rename_section(argv[0], NULL);
461	if (ret < 0)
462	return ret;
463	if (ret == 0)
464	die("No such section!");
465	}
466	else if (actions == ACTION_GET_COLOR) {
467	get_color(argv[0]);
468	}
469	else if (actions == ACTION_GET_COLORBOOL) {
470	if (argc == 1)
471	stdout_is_tty = git_config_bool("command line", argv[0]);
472	else if (argc == 0)
473	stdout_is_tty = isatty(1);
474	return get_colorbool(argc != 0);
475	}
476
1b1e59c5 JS	477	return 0;
1b1e59c5 JS	478	}