[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;

#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_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 *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 (home)
			global = xstrdup(mkpath("%s/.gitconfig", home));
		if (git_config_system())
			system_wide = git_etc_gitconfig();
	}

	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;
		}
	}

	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);
	if (do_all)
		git_config_from_file(show_config, local, NULL);
	git_config_from_parameters(show_config, NULL);
	if (!do_all && !seen)
		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 *prefix)
{
	int nongit = !startup_info->have_repository;
	char *value;

	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 + 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 *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 (use_local_config)
		config_exclusive_filename = git_pathdup("config");
	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) {
		int ret;
		check_argc(argc, 2, 2);
		value = normalize_value(argv[0], argv[1]);
		ret = git_config_set(argv[0], value);
		if (ret == CONFIG_NOTHING_SET)
			error("cannot overwrite multiple values with a single value\n"
			"       Use a regexp, --add or --set-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(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;
}

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;
	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"),
57210a67	54	OPT_BOOLEAN(0, "local", &use_local_config, "use repository config file"),
23c6a803	55	OPT_STRING('f', "file", &given_config_file, "file", "use given config file"),
d64ec16c FC	56	OPT_GROUP("Action"),
	57	OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
	58	OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
	59	OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
bf71b4b3	60	OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL),
d64ec16c FC	61	OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
	62	OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
	63	OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
	64	OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
	65	OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
	66	OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
	67	OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
	68	OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
	69	OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
	70	OPT_GROUP("Type"),
16c1e939 FC	71	OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
16c1e939 FC	72	OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
ba048224	73	OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT),
1349484e	74	OPT_BIT(0, "path", &types, "value is a path (file or directory name)", TYPE_PATH),
d64ec16c FC	75	OPT_GROUP("Other"),
	76	OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
	77	OPT_END(),
	78	};
	79
	80	static void check_argc(int argc, int min, int max) {
	81	if (argc >= min && argc <= max)
	82	return;
	83	error("wrong number of arguments");
	84	usage_with_options(builtin_config_usage, builtin_config_options);
	85	}
	86
ef90d6d4	87	static int show_all_config(const char key_, const char value_, void *cb)
de791f15 PB	88	{
de791f15 PB	89	if (value_)
2275d502	90	printf("%s%c%s%c", key_, delim, value_, term);
de791f15	91	else
2275d502	92	printf("%s%c", key_, term);
de791f15 PB	93	return 0;
	94	}
	95
4b951b7e	96	static int show_config(const char key_, const char value_, void *cb)
4ddba79d	97	{
e098c6f8 JH	98	char value[256];
e098c6f8 JH	99	const char *vptr = value;
1349484e	100	int must_free_vptr = 0;
8f5ff31f	101	int dup_error = 0;
e098c6f8	102
8f5ff31f JS	103	if (!use_key_regexp && strcmp(key_, key))
	104	return 0;
	105	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
	106	return 0;
	107	if (regexp != NULL &&
9e4bbeb9	108	(do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f JS	109	return 0;
8f5ff31f JS	110
b69ba460 FL	111	if (show_keys) {
b69ba460 FL	112	if (value_)
2275d502	113	printf("%s%c", key_, key_delim);
b69ba460 FL	114	else
	115	printf("%s", key_);
	116	}
8f5ff31f JS	117	if (seen && !do_all)
8f5ff31f JS	118	dup_error = 1;
16c1e939	119	if (types == TYPE_INT)
acb70149	120	sprintf(value, "%d", git_config_int(key_, value_?value_:""));
16c1e939	121	else if (types == TYPE_BOOL)
8f5ff31f	122	vptr = git_config_bool(key_, value_) ? "true" : "false";
16c1e939	123	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	124	int is_bool, v;
	125	v = git_config_bool_or_int(key_, value_, &is_bool);
	126	if (is_bool)
	127	vptr = v ? "true" : "false";
	128	else
	129	sprintf(value, "%d", v);
1349484e MM	130	} else if (types == TYPE_PATH) {
	131	git_config_pathname(&vptr, key_, value_);
	132	must_free_vptr = 1;
c35b0b58	133	}
8f5ff31f	134	else
acb70149	135	vptr = value_?value_:"";
8f5ff31f JS	136	seen++;
	137	if (dup_error) {
	138	error("More than one value for the key %s: %s",
	139	key_, vptr);
4ddba79d	140	}
8f5ff31f	141	else
2275d502	142	printf("%s%c", vptr, term);
1349484e MM	143	if (must_free_vptr)
	144	/* If vptr must be freed, it's a pointer to a
	145	* dynamically allocated buffer, it's safe to cast to
	146	* const.
	147	*/
	148	free((char *)vptr);
8f5ff31f	149
4ddba79d JS	150	return 0;
	151	}
	152
4b951b7e	153	static int get_value(const char key_, const char regex_)
4ddba79d	154	{
5f1a63e0	155	int ret = -1;
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");
8f323c00	163	if (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
2fa9a0fb	169	if (use_key_regexp) {
b09c53a3 LP	170	char *tl;
	171
	172	/*
	173	* NEEDSWORK: this naive pattern lowercasing obviously does not
	174	* work for more complex patterns like "^[^.]Foo.bar".
	175	* Perhaps we should deprecate this altogether someday.
	176	*/
	177
	178	key = xstrdup(key_);
	179	for (tl = key + strlen(key) - 1;
	180	tl >= key && *tl != '.';
	181	tl--)
	182	tl = tolower(tl);
	183	for (tl = key; tl && tl != '.'; tl++)
	184	tl = tolower(tl);
	185
2d7320d0	186	key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb	187	if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8	188	fprintf(stderr, "Invalid key pattern: %s\n", key_);
b09c53a3	189	free(key);
5f1a63e0	190	goto free_strings;
2fa9a0fb	191	}
b09c53a3 LP	192	} else {
	193	if (git_config_parse_key(key_, &key, NULL))
	194	goto free_strings;
2fa9a0fb JS	195	}
2fa9a0fb JS	196
4ddba79d	197	if (regex_) {
f98d863d JS	198	if (regex_[0] == '!') {
	199	do_not_match = 1;
	200	regex_++;
	201	}
	202
2d7320d0	203	regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171	204	if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d	205	fprintf(stderr, "Invalid pattern: %s\n", regex_);
5f1a63e0	206	goto free_strings;
4ddba79d JS	207	}
	208	}
	209
32043c9f	210	if (do_all && system_wide)
ef90d6d4	211	git_config_from_file(show_config, system_wide, NULL);
5f1a63e0	212	if (do_all && global)
ef90d6d4	213	git_config_from_file(show_config, global, NULL);
8b1fa778 AR	214	if (do_all)
	215	git_config_from_file(show_config, local, NULL);
	216	git_config_from_parameters(show_config, NULL);
	217	if (!do_all && !seen)
	218	git_config_from_file(show_config, local, NULL);
5f1a63e0	219	if (!do_all && !seen && global)
ef90d6d4	220	git_config_from_file(show_config, global, NULL);
32043c9f	221	if (!do_all && !seen && system_wide)
ef90d6d4	222	git_config_from_file(show_config, system_wide, NULL);
5f1a63e0	223
4ddba79d	224	free(key);
0a152171 AW	225	if (regexp) {
	226	regfree(regexp);
	227	free(regexp);
4ddba79d JS	228	}
	229
	230	if (do_all)
5f1a63e0 JS	231	ret = !seen;
5f1a63e0 JS	232	else
dc2613de	233	ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0 JS	234
5f1a63e0 JS	235	free_strings:
4cac42b1 JH	236	free(repo_config);
4cac42b1 JH	237	free(global);
5f1a63e0	238	return ret;
4ddba79d	239	}
1b1e59c5	240
186458b1	241	static char normalize_value(const char key, const char *value)
db1696b8 FL	242	{
	243	char *normalized;
	244
	245	if (!value)
	246	return NULL;
	247
1349484e MM	248	if (types == 0 \|\| types == TYPE_PATH)
	249	/*
	250	* We don't do normalization for TYPE_PATH here: If
	251	* the path is like ~/foobar/, we prefer to store
	252	* "~/foobar/" in the config file, and to expand the ~
	253	* when retrieving the value.
	254	*/
db1696b8 FL	255	normalized = xstrdup(value);
	256	else {
	257	normalized = xmalloc(64);
16c1e939	258	if (types == TYPE_INT) {
db1696b8 FL	259	int v = git_config_int(key, value);
	260	sprintf(normalized, "%d", v);
	261	}
16c1e939	262	else if (types == TYPE_BOOL)
db1696b8 FL	263	sprintf(normalized, "%s",
db1696b8 FL	264	git_config_bool(key, value) ? "true" : "false");
16c1e939	265	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	266	int is_bool, v;
	267	v = git_config_bool_or_int(key, value, &is_bool);
	268	if (!is_bool)
	269	sprintf(normalized, "%d", v);
	270	else
	271	sprintf(normalized, "%s", v ? "true" : "false");
	272	}
db1696b8 FL	273	}
	274
	275	return normalized;
	276	}
	277
9ce03522 JH	278	static int get_color_found;
9ce03522 JH	279	static const char *get_color_slot;
b408457f	280	static const char *get_colorbool_slot;
9ce03522 JH	281	static char parsed_color[COLOR_MAXLEN];
9ce03522 JH	282
ef90d6d4	283	static int git_get_color_config(const char var, const char value, void *cb)
9ce03522 JH	284	{
9ce03522 JH	285	if (!strcmp(var, get_color_slot)) {
f769982d JH	286	if (!value)
f769982d JH	287	config_error_nonbool(var);
9ce03522 JH	288	color_parse(value, var, parsed_color);
	289	get_color_found = 1;
	290	}
	291	return 0;
	292	}
	293
0e854a28	294	static void get_color(const char *def_color)
9ce03522	295	{
9ce03522 JH	296	get_color_found = 0;
9ce03522 JH	297	parsed_color[0] = '\0';
ef90d6d4	298	git_config(git_get_color_config, NULL);
9ce03522 JH	299
	300	if (!get_color_found && def_color)
	301	color_parse(def_color, "command line", parsed_color);
	302
	303	fputs(parsed_color, stdout);
9ce03522 JH	304	}
9ce03522 JH	305
0f6f5a40 JH	306	static int stdout_is_tty;
0f6f5a40 JH	307	static int get_colorbool_found;
69243c2b	308	static int get_diff_color_found;
ef90d6d4 JS	309	static int git_get_colorbool_config(const char var, const char value,
ef90d6d4 JS	310	void *cb)
0f6f5a40	311	{
b408457f	312	if (!strcmp(var, get_colorbool_slot)) {
0f6f5a40 JH	313	get_colorbool_found =
0f6f5a40 JH	314	git_config_colorbool(var, value, stdout_is_tty);
69243c2b JH	315	}
	316	if (!strcmp(var, "diff.color")) {
	317	get_diff_color_found =
	318	git_config_colorbool(var, value, stdout_is_tty);
	319	}
4d4f5ba3 MK	320	if (!strcmp(var, "color.ui")) {
	321	git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
	322	return 0;
	323	}
0f6f5a40 JH	324	return 0;
	325	}
	326
0e854a28	327	static int get_colorbool(int print)
0f6f5a40	328	{
69243c2b JH	329	get_colorbool_found = -1;
69243c2b JH	330	get_diff_color_found = -1;
ef90d6d4	331	git_config(git_get_colorbool_config, NULL);
0f6f5a40	332
69243c2b	333	if (get_colorbool_found < 0) {
b408457f	334	if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b JH	335	get_colorbool_found = get_diff_color_found;
69243c2b JH	336	if (get_colorbool_found < 0)
4d4f5ba3	337	get_colorbool_found = git_use_color_default;
69243c2b JH	338	}
69243c2b JH	339
0e854a28	340	if (print) {
0f6f5a40 JH	341	printf("%s\n", get_colorbool_found ? "true" : "false");
0f6f5a40 JH	342	return 0;
0e854a28 FC	343	} else
0e854a28 FC	344	return get_colorbool_found ? 0 : 1;
0f6f5a40 JH	345	}
0f6f5a40 JH	346
3ba7e6e2	347	int cmd_config(int argc, const char *argv, const char prefix)
1b1e59c5	348	{
3ba7e6e2	349	int nongit = !startup_info->have_repository;
4b951b7e	350	char *value;
7162dff3	351
dc871831 DB	352	config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
dc871831 DB	353
37782920 SB	354	argc = parse_options(argc, argv, prefix, builtin_config_options,
37782920 SB	355	builtin_config_usage,
d64ec16c FC	356	PARSE_OPT_STOP_AT_NON_OPTION);
d64ec16c FC	357
57210a67	358	if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
67052c9d FC	359	error("only one config file at a time.");
	360	usage_with_options(builtin_config_usage, builtin_config_options);
	361	}
	362
d64ec16c FC	363	if (use_global_config) {
	364	char *home = getenv("HOME");
	365	if (home) {
	366	char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
	367	config_exclusive_filename = user_config;
db1696b8	368	} else {
d64ec16c	369	die("$HOME not set");
db1696b8	370	}
d64ec16c FC	371	}
	372	else if (use_system_config)
	373	config_exclusive_filename = git_etc_gitconfig();
57210a67 SR	374	else if (use_local_config)
57210a67 SR	375	config_exclusive_filename = git_pathdup("config");
d64ec16c FC	376	else if (given_config_file) {
	377	if (!is_absolute_path(given_config_file) && prefix)
	378	config_exclusive_filename = prefix_filename(prefix,
	379	strlen(prefix),
65807ee6	380	given_config_file);
d64ec16c FC	381	else
	382	config_exclusive_filename = given_config_file;
	383	}
	384
	385	if (end_null) {
	386	term = '\0';
	387	delim = '\n';
	388	key_delim = '\n';
	389	}
	390
16c1e939 FC	391	if (HAS_MULTI_BITS(types)) {
	392	error("only one type at a time.");
	393	usage_with_options(builtin_config_usage, builtin_config_options);
	394	}
	395
d64ec16c FC	396	if (get_color_slot)
	397	actions \|= ACTION_GET_COLOR;
	398	if (get_colorbool_slot)
	399	actions \|= ACTION_GET_COLORBOOL;
	400
c2387358 FC	401	if ((get_color_slot \|\| get_colorbool_slot) && types) {
	402	error("--get-color and variable type are incoherent");
	403	usage_with_options(builtin_config_usage, builtin_config_options);
	404	}
	405
d64ec16c FC	406	if (HAS_MULTI_BITS(actions)) {
	407	error("only one action at a time.");
	408	usage_with_options(builtin_config_usage, builtin_config_options);
	409	}
	410	if (actions == 0)
	411	switch (argc) {
	412	case 1: actions = ACTION_GET; break;
	413	case 2: actions = ACTION_SET; break;
	414	case 3: actions = ACTION_SET_ALL; break;
	415	default:
	416	usage_with_options(builtin_config_usage, builtin_config_options);
db1696b8	417	}
d64ec16c FC	418
d64ec16c FC	419	if (actions == ACTION_LIST) {
225a9caf	420	check_argc(argc, 0, 0);
d64ec16c FC	421	if (git_config(show_all_config, NULL) < 0) {
d64ec16c FC	422	if (config_exclusive_filename)
d824cbba TR	423	die_errno("unable to read config file '%s'",
d824cbba TR	424	config_exclusive_filename);
d64ec16c FC	425	else
d64ec16c FC	426	die("error processing config file(s)");
db1696b8	427	}
1b1e59c5	428	}
d64ec16c	429	else if (actions == ACTION_EDIT) {
225a9caf	430	check_argc(argc, 0, 0);
d212ca17 FC	431	if (!config_exclusive_filename && nongit)
d212ca17 FC	432	die("not in a git directory");
d64ec16c FC	433	git_config(git_default_config, NULL);
	434	launch_editor(config_exclusive_filename ?
	435	config_exclusive_filename : git_path("config"),
	436	NULL, NULL);
	437	}
	438	else if (actions == ACTION_SET) {
5a2df368	439	int ret;
d64ec16c FC	440	check_argc(argc, 2, 2);
d64ec16c FC	441	value = normalize_value(argv[0], argv[1]);
5a2df368 MG	442	ret = git_config_set(argv[0], value);
	443	if (ret == CONFIG_NOTHING_SET)
	444	error("cannot overwrite multiple values with a single value\n"
	445	" Use a regexp, --add or --set-all to change %s.", argv[0]);
	446	return ret;
d64ec16c FC	447	}
	448	else if (actions == ACTION_SET_ALL) {
	449	check_argc(argc, 2, 3);
	450	value = normalize_value(argv[0], argv[1]);
	451	return git_config_set_multivar(argv[0], value, argv[2], 0);
	452	}
	453	else if (actions == ACTION_ADD) {
	454	check_argc(argc, 2, 2);
	455	value = normalize_value(argv[0], argv[1]);
	456	return git_config_set_multivar(argv[0], value, "^$", 0);
	457	}
	458	else if (actions == ACTION_REPLACE_ALL) {
	459	check_argc(argc, 2, 3);
	460	value = normalize_value(argv[0], argv[1]);
	461	return git_config_set_multivar(argv[0], value, argv[2], 1);
	462	}
	463	else if (actions == ACTION_GET) {
	464	check_argc(argc, 1, 2);
	465	return get_value(argv[0], argv[1]);
	466	}
	467	else if (actions == ACTION_GET_ALL) {
	468	do_all = 1;
	469	check_argc(argc, 1, 2);
	470	return get_value(argv[0], argv[1]);
	471	}
	472	else if (actions == ACTION_GET_REGEXP) {
	473	show_keys = 1;
	474	use_key_regexp = 1;
	475	do_all = 1;
	476	check_argc(argc, 1, 2);
	477	return get_value(argv[0], argv[1]);
	478	}
	479	else if (actions == ACTION_UNSET) {
	480	check_argc(argc, 1, 2);
	481	if (argc == 2)
	482	return git_config_set_multivar(argv[0], NULL, argv[1], 0);
	483	else
	484	return git_config_set(argv[0], NULL);
	485	}
	486	else if (actions == ACTION_UNSET_ALL) {
	487	check_argc(argc, 1, 2);
	488	return git_config_set_multivar(argv[0], NULL, argv[1], 1);
	489	}
	490	else if (actions == ACTION_RENAME_SECTION) {
	491	int ret;
	492	check_argc(argc, 2, 2);
	493	ret = git_config_rename_section(argv[0], argv[1]);
	494	if (ret < 0)
	495	return ret;
	496	if (ret == 0)
	497	die("No such section!");
	498	}
	499	else if (actions == ACTION_REMOVE_SECTION) {
	500	int ret;
	501	check_argc(argc, 1, 1);
	502	ret = git_config_rename_section(argv[0], NULL);
	503	if (ret < 0)
	504	return ret;
	505	if (ret == 0)
	506	die("No such section!");
	507	}
	508	else if (actions == ACTION_GET_COLOR) {
	509	get_color(argv[0]);
	510	}
511	else if (actions == ACTION_GET_COLORBOOL) {
512	if (argc == 1)
513	stdout_is_tty = git_config_bool("command line", argv[0]);
514	else if (argc == 0)
515	stdout_is_tty = isatty(1);
516	return get_colorbool(argc != 0);
517	}
518
1b1e59c5 JS	519	return 0;
1b1e59c5 JS	520	}
6390c905 RS	521
	522	int cmd_repo_config(int argc, const char *argv, const char prefix)
	523	{
	524	fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
	525	return cmd_config(argc, argv, prefix);
	526	}