[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)
#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_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_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;

	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 if (types == TYPE_PATH) {
		git_config_pathname(&vptr, key_, value_);
		must_free_vptr = 1;
	}
	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);
	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 *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 || 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(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),
								    given_config_file);
		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)
1349484e	48	#define TYPE_PATH (1<<3)
16c1e939	49
d64ec16c FC	50	static struct option builtin_config_options[] = {
	51	OPT_GROUP("Config file location"),
	52	OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
	53	OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
	54	OPT_STRING('f', "file", &given_config_file, "FILE", "use given config file"),
	55	OPT_GROUP("Action"),
	56	OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
	57	OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
	58	OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
bf71b4b3	59	OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL),
d64ec16c FC	60	OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
	61	OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
	62	OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
	63	OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
	64	OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
	65	OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
	66	OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
	67	OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
	68	OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
	69	OPT_GROUP("Type"),
16c1e939 FC	70	OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
16c1e939 FC	71	OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
ba048224	72	OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT),
1349484e	73	OPT_BIT(0, "path", &types, "value is a path (file or directory name)", TYPE_PATH),
d64ec16c FC	74	OPT_GROUP("Other"),
	75	OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
	76	OPT_END(),
	77	};
	78
	79	static void check_argc(int argc, int min, int max) {
	80	if (argc >= min && argc <= max)
	81	return;
	82	error("wrong number of arguments");
	83	usage_with_options(builtin_config_usage, builtin_config_options);
	84	}
	85
ef90d6d4	86	static int show_all_config(const char key_, const char value_, void *cb)
de791f15 PB	87	{
de791f15 PB	88	if (value_)
2275d502	89	printf("%s%c%s%c", key_, delim, value_, term);
de791f15	90	else
2275d502	91	printf("%s%c", key_, term);
de791f15 PB	92	return 0;
	93	}
	94
4b951b7e	95	static int show_config(const char key_, const char value_, void *cb)
4ddba79d	96	{
e098c6f8 JH	97	char value[256];
e098c6f8 JH	98	const char *vptr = value;
1349484e	99	int must_free_vptr = 0;
8f5ff31f	100	int dup_error = 0;
e098c6f8	101
8f5ff31f JS	102	if (!use_key_regexp && strcmp(key_, key))
	103	return 0;
	104	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
	105	return 0;
	106	if (regexp != NULL &&
9e4bbeb9	107	(do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f JS	108	return 0;
8f5ff31f JS	109
b69ba460 FL	110	if (show_keys) {
b69ba460 FL	111	if (value_)
2275d502	112	printf("%s%c", key_, key_delim);
b69ba460 FL	113	else
	114	printf("%s", key_);
	115	}
8f5ff31f JS	116	if (seen && !do_all)
8f5ff31f JS	117	dup_error = 1;
16c1e939	118	if (types == TYPE_INT)
acb70149	119	sprintf(value, "%d", git_config_int(key_, value_?value_:""));
16c1e939	120	else if (types == TYPE_BOOL)
8f5ff31f	121	vptr = git_config_bool(key_, value_) ? "true" : "false";
16c1e939	122	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	123	int is_bool, v;
	124	v = git_config_bool_or_int(key_, value_, &is_bool);
	125	if (is_bool)
	126	vptr = v ? "true" : "false";
	127	else
	128	sprintf(value, "%d", v);
1349484e MM	129	} else if (types == TYPE_PATH) {
	130	git_config_pathname(&vptr, key_, value_);
	131	must_free_vptr = 1;
c35b0b58	132	}
8f5ff31f	133	else
acb70149	134	vptr = value_?value_:"";
8f5ff31f JS	135	seen++;
	136	if (dup_error) {
	137	error("More than one value for the key %s: %s",
	138	key_, vptr);
4ddba79d	139	}
8f5ff31f	140	else
2275d502	141	printf("%s%c", vptr, term);
1349484e MM	142	if (must_free_vptr)
	143	/* If vptr must be freed, it's a pointer to a
	144	* dynamically allocated buffer, it's safe to cast to
	145	* const.
	146	*/
	147	free((char *)vptr);
8f5ff31f	148
4ddba79d JS	149	return 0;
	150	}
	151
4b951b7e	152	static int get_value(const char key_, const char regex_)
4ddba79d	153	{
5f1a63e0	154	int ret = -1;
d14f7764	155	char *tl;
5f1a63e0	156	char global = NULL, repo_config = NULL;
32043c9f	157	const char system_wide = NULL, local;
5f1a63e0	158
dc871831	159	local = config_exclusive_filename;
5f1a63e0 JS	160	if (!local) {
5f1a63e0 JS	161	const char *home = getenv("HOME");
a4f34cbb	162	local = repo_config = git_pathdup("config");
ab88c363	163	if (git_config_global() && home)
9befac47	164	global = xstrdup(mkpath("%s/.gitconfig", home));
ab88c363 JK	165	if (git_config_system())
ab88c363 JK	166	system_wide = git_etc_gitconfig();
5f1a63e0	167	}
4ddba79d	168
9befac47	169	key = xstrdup(key_);
d14f7764 LT	170	for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
	171	tl = tolower(tl);
	172	for (tl=key; tl && tl != '.'; ++tl)
	173	tl = tolower(tl);
4ddba79d	174
2fa9a0fb	175	if (use_key_regexp) {
2d7320d0	176	key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb	177	if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8	178	fprintf(stderr, "Invalid key pattern: %s\n", key_);
5f1a63e0	179	goto free_strings;
2fa9a0fb JS	180	}
	181	}
	182
4ddba79d	183	if (regex_) {
f98d863d JS	184	if (regex_[0] == '!') {
	185	do_not_match = 1;
	186	regex_++;
	187	}
	188
2d7320d0	189	regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171	190	if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d	191	fprintf(stderr, "Invalid pattern: %s\n", regex_);
5f1a63e0	192	goto free_strings;
4ddba79d JS	193	}
	194	}
	195
32043c9f	196	if (do_all && system_wide)
ef90d6d4	197	git_config_from_file(show_config, system_wide, NULL);
5f1a63e0	198	if (do_all && global)
ef90d6d4 JS	199	git_config_from_file(show_config, global, NULL);
ef90d6d4 JS	200	git_config_from_file(show_config, local, NULL);
5f1a63e0	201	if (!do_all && !seen && global)
ef90d6d4	202	git_config_from_file(show_config, global, NULL);
32043c9f	203	if (!do_all && !seen && system_wide)
ef90d6d4	204	git_config_from_file(show_config, system_wide, NULL);
5f1a63e0	205
4ddba79d	206	free(key);
0a152171 AW	207	if (regexp) {
	208	regfree(regexp);
	209	free(regexp);
4ddba79d JS	210	}
	211
	212	if (do_all)
5f1a63e0 JS	213	ret = !seen;
5f1a63e0 JS	214	else
dc2613de	215	ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0 JS	216
5f1a63e0 JS	217	free_strings:
4cac42b1 JH	218	free(repo_config);
4cac42b1 JH	219	free(global);
5f1a63e0	220	return ret;
4ddba79d	221	}
1b1e59c5	222
186458b1	223	static char normalize_value(const char key, const char *value)
db1696b8 FL	224	{
	225	char *normalized;
	226
	227	if (!value)
	228	return NULL;
	229
1349484e MM	230	if (types == 0 \|\| types == TYPE_PATH)
	231	/*
	232	* We don't do normalization for TYPE_PATH here: If
	233	* the path is like ~/foobar/, we prefer to store
	234	* "~/foobar/" in the config file, and to expand the ~
	235	* when retrieving the value.
	236	*/
db1696b8 FL	237	normalized = xstrdup(value);
	238	else {
	239	normalized = xmalloc(64);
16c1e939	240	if (types == TYPE_INT) {
db1696b8 FL	241	int v = git_config_int(key, value);
	242	sprintf(normalized, "%d", v);
	243	}
16c1e939	244	else if (types == TYPE_BOOL)
db1696b8 FL	245	sprintf(normalized, "%s",
db1696b8 FL	246	git_config_bool(key, value) ? "true" : "false");
16c1e939	247	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	248	int is_bool, v;
	249	v = git_config_bool_or_int(key, value, &is_bool);
	250	if (!is_bool)
	251	sprintf(normalized, "%d", v);
	252	else
	253	sprintf(normalized, "%s", v ? "true" : "false");
	254	}
db1696b8 FL	255	}
	256
	257	return normalized;
	258	}
	259
9ce03522 JH	260	static int get_color_found;
9ce03522 JH	261	static const char *get_color_slot;
b408457f	262	static const char *get_colorbool_slot;
9ce03522 JH	263	static char parsed_color[COLOR_MAXLEN];
9ce03522 JH	264
ef90d6d4	265	static int git_get_color_config(const char var, const char value, void *cb)
9ce03522 JH	266	{
9ce03522 JH	267	if (!strcmp(var, get_color_slot)) {
f769982d JH	268	if (!value)
f769982d JH	269	config_error_nonbool(var);
9ce03522 JH	270	color_parse(value, var, parsed_color);
	271	get_color_found = 1;
	272	}
	273	return 0;
	274	}
	275
0e854a28	276	static void get_color(const char *def_color)
9ce03522	277	{
9ce03522 JH	278	get_color_found = 0;
9ce03522 JH	279	parsed_color[0] = '\0';
ef90d6d4	280	git_config(git_get_color_config, NULL);
9ce03522 JH	281
	282	if (!get_color_found && def_color)
	283	color_parse(def_color, "command line", parsed_color);
	284
	285	fputs(parsed_color, stdout);
9ce03522 JH	286	}
9ce03522 JH	287
0f6f5a40 JH	288	static int stdout_is_tty;
0f6f5a40 JH	289	static int get_colorbool_found;
69243c2b	290	static int get_diff_color_found;
ef90d6d4 JS	291	static int git_get_colorbool_config(const char var, const char value,
ef90d6d4 JS	292	void *cb)
0f6f5a40	293	{
b408457f	294	if (!strcmp(var, get_colorbool_slot)) {
0f6f5a40 JH	295	get_colorbool_found =
0f6f5a40 JH	296	git_config_colorbool(var, value, stdout_is_tty);
69243c2b JH	297	}
	298	if (!strcmp(var, "diff.color")) {
	299	get_diff_color_found =
	300	git_config_colorbool(var, value, stdout_is_tty);
	301	}
4d4f5ba3 MK	302	if (!strcmp(var, "color.ui")) {
	303	git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
	304	return 0;
	305	}
0f6f5a40 JH	306	return 0;
	307	}
	308
0e854a28	309	static int get_colorbool(int print)
0f6f5a40	310	{
69243c2b JH	311	get_colorbool_found = -1;
69243c2b JH	312	get_diff_color_found = -1;
ef90d6d4	313	git_config(git_get_colorbool_config, NULL);
0f6f5a40	314
69243c2b	315	if (get_colorbool_found < 0) {
b408457f	316	if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b JH	317	get_colorbool_found = get_diff_color_found;
69243c2b JH	318	if (get_colorbool_found < 0)
4d4f5ba3	319	get_colorbool_found = git_use_color_default;
69243c2b JH	320	}
69243c2b JH	321
0e854a28	322	if (print) {
0f6f5a40 JH	323	printf("%s\n", get_colorbool_found ? "true" : "false");
0f6f5a40 JH	324	return 0;
0e854a28 FC	325	} else
0e854a28 FC	326	return get_colorbool_found ? 0 : 1;
0f6f5a40 JH	327	}
0f6f5a40 JH	328
b408457f	329	int cmd_config(int argc, const char *argv, const char unused_prefix)
1b1e59c5	330	{
af05d679	331	int nongit;
4b951b7e	332	char *value;
b408457f	333	const char *prefix = setup_git_directory_gently(&nongit);
7162dff3	334
dc871831 DB	335	config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
dc871831 DB	336
37782920 SB	337	argc = parse_options(argc, argv, prefix, builtin_config_options,
37782920 SB	338	builtin_config_usage,
d64ec16c FC	339	PARSE_OPT_STOP_AT_NON_OPTION);
d64ec16c FC	340
67052c9d FC	341	if (use_global_config + use_system_config + !!given_config_file > 1) {
	342	error("only one config file at a time.");
	343	usage_with_options(builtin_config_usage, builtin_config_options);
	344	}
	345
d64ec16c FC	346	if (use_global_config) {
	347	char *home = getenv("HOME");
	348	if (home) {
	349	char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
	350	config_exclusive_filename = user_config;
db1696b8	351	} else {
d64ec16c	352	die("$HOME not set");
db1696b8	353	}
d64ec16c FC	354	}
	355	else if (use_system_config)
	356	config_exclusive_filename = git_etc_gitconfig();
	357	else if (given_config_file) {
	358	if (!is_absolute_path(given_config_file) && prefix)
	359	config_exclusive_filename = prefix_filename(prefix,
	360	strlen(prefix),
65807ee6	361	given_config_file);
d64ec16c FC	362	else
	363	config_exclusive_filename = given_config_file;
	364	}
	365
	366	if (end_null) {
	367	term = '\0';
	368	delim = '\n';
	369	key_delim = '\n';
	370	}
	371
16c1e939 FC	372	if (HAS_MULTI_BITS(types)) {
	373	error("only one type at a time.");
	374	usage_with_options(builtin_config_usage, builtin_config_options);
	375	}
	376
d64ec16c FC	377	if (get_color_slot)
	378	actions \|= ACTION_GET_COLOR;
	379	if (get_colorbool_slot)
	380	actions \|= ACTION_GET_COLORBOOL;
	381
c2387358 FC	382	if ((get_color_slot \|\| get_colorbool_slot) && types) {
	383	error("--get-color and variable type are incoherent");
	384	usage_with_options(builtin_config_usage, builtin_config_options);
	385	}
	386
d64ec16c FC	387	if (HAS_MULTI_BITS(actions)) {
	388	error("only one action at a time.");
	389	usage_with_options(builtin_config_usage, builtin_config_options);
	390	}
	391	if (actions == 0)
	392	switch (argc) {
	393	case 1: actions = ACTION_GET; break;
	394	case 2: actions = ACTION_SET; break;
	395	case 3: actions = ACTION_SET_ALL; break;
	396	default:
	397	usage_with_options(builtin_config_usage, builtin_config_options);
db1696b8	398	}
d64ec16c FC	399
d64ec16c FC	400	if (actions == ACTION_LIST) {
225a9caf	401	check_argc(argc, 0, 0);
d64ec16c FC	402	if (git_config(show_all_config, NULL) < 0) {
d64ec16c FC	403	if (config_exclusive_filename)
d824cbba TR	404	die_errno("unable to read config file '%s'",
d824cbba TR	405	config_exclusive_filename);
d64ec16c FC	406	else
d64ec16c FC	407	die("error processing config file(s)");
db1696b8	408	}
1b1e59c5	409	}
d64ec16c	410	else if (actions == ACTION_EDIT) {
225a9caf	411	check_argc(argc, 0, 0);
d212ca17 FC	412	if (!config_exclusive_filename && nongit)
d212ca17 FC	413	die("not in a git directory");
d64ec16c FC	414	git_config(git_default_config, NULL);
	415	launch_editor(config_exclusive_filename ?
	416	config_exclusive_filename : git_path("config"),
	417	NULL, NULL);
	418	}
	419	else if (actions == ACTION_SET) {
	420	check_argc(argc, 2, 2);
	421	value = normalize_value(argv[0], argv[1]);
	422	return git_config_set(argv[0], value);
	423	}
	424	else if (actions == ACTION_SET_ALL) {
	425	check_argc(argc, 2, 3);
	426	value = normalize_value(argv[0], argv[1]);
	427	return git_config_set_multivar(argv[0], value, argv[2], 0);
	428	}
	429	else if (actions == ACTION_ADD) {
	430	check_argc(argc, 2, 2);
	431	value = normalize_value(argv[0], argv[1]);
	432	return git_config_set_multivar(argv[0], value, "^$", 0);
	433	}
	434	else if (actions == ACTION_REPLACE_ALL) {
	435	check_argc(argc, 2, 3);
	436	value = normalize_value(argv[0], argv[1]);
	437	return git_config_set_multivar(argv[0], value, argv[2], 1);
	438	}
	439	else if (actions == ACTION_GET) {
	440	check_argc(argc, 1, 2);
	441	return get_value(argv[0], argv[1]);
	442	}
	443	else if (actions == ACTION_GET_ALL) {
	444	do_all = 1;
	445	check_argc(argc, 1, 2);
	446	return get_value(argv[0], argv[1]);
	447	}
	448	else if (actions == ACTION_GET_REGEXP) {
	449	show_keys = 1;
	450	use_key_regexp = 1;
	451	do_all = 1;
	452	check_argc(argc, 1, 2);
	453	return get_value(argv[0], argv[1]);
	454	}
	455	else if (actions == ACTION_UNSET) {
	456	check_argc(argc, 1, 2);
	457	if (argc == 2)
	458	return git_config_set_multivar(argv[0], NULL, argv[1], 0);
	459	else
	460	return git_config_set(argv[0], NULL);
	461	}
	462	else if (actions == ACTION_UNSET_ALL) {
	463	check_argc(argc, 1, 2);
	464	return git_config_set_multivar(argv[0], NULL, argv[1], 1);
	465	}
	466	else if (actions == ACTION_RENAME_SECTION) {
	467	int ret;
	468	check_argc(argc, 2, 2);
	469	ret = git_config_rename_section(argv[0], argv[1]);
	470	if (ret < 0)
	471	return ret;
	472	if (ret == 0)
	473	die("No such section!");
	474	}
	475	else if (actions == ACTION_REMOVE_SECTION) {
	476	int ret;
	477	check_argc(argc, 1, 1);
478	ret = git_config_rename_section(argv[0], NULL);
479	if (ret < 0)
480	return ret;
481	if (ret == 0)
482	die("No such section!");
483	}
484	else if (actions == ACTION_GET_COLOR) {
485	get_color(argv[0]);
486	}
487	else if (actions == ACTION_GET_COLORBOOL) {
488	if (argc == 1)
489	stdout_is_tty = git_config_bool("command line", argv[0]);
490	else if (argc == 0)
491	stdout_is_tty = isatty(1);
492	return get_colorbool(argc != 0);
493	}
494
1b1e59c5 JS	495	return 0;
1b1e59c5 JS	496	}