[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[] = {
	N_("git config [options]"),
	NULL
};

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

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

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

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

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

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

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

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

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

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

	return 0;
}

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

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

	if (use_key_regexp) {
		char *tl;

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

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

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

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

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

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

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

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

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

	if (!value)
		return NULL;

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

	return normalized;
}

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

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

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

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

	fputs(parsed_color, stdout);
}

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

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

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

	get_colorbool_found = want_color(get_colorbool_found);

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

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

	given_config_file = getenv(CONFIG_ENVIRONMENT);

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

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

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

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

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

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

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

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

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

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

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

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

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

	return 0;
}

int cmd_repo_config(int argc, const char **argv, const char *prefix)
{
	fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
	return cmd_config(argc, argv, prefix);
}
Commit	Line	Data
e12c095a	1	#include "builtin.h"
1b1e59c5	2	#include "cache.h"
9ce03522	3	#include "color.h"
d64ec16c	4	#include "parse-options.h"
1b1e59c5	5
d64ec16c	6	static const char *const builtin_config_usage[] = {
1bd31ce6	7	N_("git config [options]"),
d64ec16c FC	8	NULL
d64ec16c FC	9	};
4ddba79d	10
96f1e58f DR	11	static char *key;
	12	static regex_t *key_regexp;
	13	static regex_t *regexp;
	14	static int show_keys;
	15	static int use_key_regexp;
	16	static int do_all;
	17	static int do_not_match;
	18	static int seen;
2275d502 FL	19	static char delim = '=';
	20	static char key_delim = ' ';
	21	static char term = '\n';
4ddba79d	22
57210a67	23	static int use_global_config, use_system_config, use_local_config;
d64ec16c	24	static const char *given_config_file;
16c1e939	25	static int actions, types;
d64ec16c FC	26	static const char get_color_slot, get_colorbool_slot;
d64ec16c FC	27	static int end_null;
9b25a0b5	28	static int respect_includes = -1;
d64ec16c FC	29
	30	#define ACTION_GET (1<<0)
	31	#define ACTION_GET_ALL (1<<1)
	32	#define ACTION_GET_REGEXP (1<<2)
	33	#define ACTION_REPLACE_ALL (1<<3)
	34	#define ACTION_ADD (1<<4)
	35	#define ACTION_UNSET (1<<5)
	36	#define ACTION_UNSET_ALL (1<<6)
	37	#define ACTION_RENAME_SECTION (1<<7)
	38	#define ACTION_REMOVE_SECTION (1<<8)
	39	#define ACTION_LIST (1<<9)
	40	#define ACTION_EDIT (1<<10)
	41	#define ACTION_SET (1<<11)
	42	#define ACTION_SET_ALL (1<<12)
	43	#define ACTION_GET_COLOR (1<<13)
	44	#define ACTION_GET_COLORBOOL (1<<14)
	45
16c1e939 FC	46	#define TYPE_BOOL (1<<0)
	47	#define TYPE_INT (1<<1)
	48	#define TYPE_BOOL_OR_INT (1<<2)
1349484e	49	#define TYPE_PATH (1<<3)
16c1e939	50
d64ec16c	51	static struct option builtin_config_options[] = {
1bd31ce6 NTND	52	OPT_GROUP(N_("Config file location")),
	53	OPT_BOOLEAN(0, "global", &use_global_config, N_("use global config file")),
	54	OPT_BOOLEAN(0, "system", &use_system_config, N_("use system config file")),
	55	OPT_BOOLEAN(0, "local", &use_local_config, N_("use repository config file")),
	56	OPT_STRING('f', "file", &given_config_file, N_("file"), N_("use given config file")),
	57	OPT_GROUP(N_("Action")),
	58	OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
	59	OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
	60	OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
	61	OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
f63cf8c9 NTND	62	OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
	63	OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
	64	OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL),
1bd31ce6 NTND	65	OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
	66	OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
	67	OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
f63cf8c9	68	OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
1bd31ce6 NTND	69	OPT_STRING(0, "get-color", &get_color_slot, N_("slot"), N_("find the color configured: [default]")),
	70	OPT_STRING(0, "get-colorbool", &get_colorbool_slot, N_("slot"), N_("find the color setting: [stdout-is-tty]")),
	71	OPT_GROUP(N_("Type")),
	72	OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
	73	OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
	74	OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
	75	OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
	76	OPT_GROUP(N_("Other")),
	77	OPT_BOOLEAN('z', "null", &end_null, N_("terminate values with NUL byte")),
	78	OPT_BOOL(0, "includes", &respect_includes, N_("respect include directives on lookup")),
d64ec16c FC	79	OPT_END(),
	80	};
	81
	82	static void check_argc(int argc, int min, int max) {
	83	if (argc >= min && argc <= max)
	84	return;
	85	error("wrong number of arguments");
	86	usage_with_options(builtin_config_usage, builtin_config_options);
	87	}
	88
ef90d6d4	89	static int show_all_config(const char key_, const char value_, void *cb)
de791f15 PB	90	{
de791f15 PB	91	if (value_)
2275d502	92	printf("%s%c%s%c", key_, delim, value_, term);
de791f15	93	else
2275d502	94	printf("%s%c", key_, term);
de791f15 PB	95	return 0;
	96	}
	97
4b951b7e	98	static int show_config(const char key_, const char value_, void *cb)
4ddba79d	99	{
e098c6f8 JH	100	char value[256];
e098c6f8 JH	101	const char *vptr = value;
1349484e	102	int must_free_vptr = 0;
8f5ff31f	103	int dup_error = 0;
008e3cc5	104	int must_print_delim = 0;
e098c6f8	105
8f5ff31f JS	106	if (!use_key_regexp && strcmp(key_, key))
	107	return 0;
	108	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
	109	return 0;
	110	if (regexp != NULL &&
9e4bbeb9	111	(do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f JS	112	return 0;
8f5ff31f JS	113
b69ba460	114	if (show_keys) {
008e3cc5 MM	115	printf("%s", key_);
008e3cc5 MM	116	must_print_delim = 1;
b69ba460	117	}
8f5ff31f JS	118	if (seen && !do_all)
8f5ff31f JS	119	dup_error = 1;
16c1e939	120	if (types == TYPE_INT)
acb70149	121	sprintf(value, "%d", git_config_int(key_, value_?value_:""));
16c1e939	122	else if (types == TYPE_BOOL)
8f5ff31f	123	vptr = git_config_bool(key_, value_) ? "true" : "false";
16c1e939	124	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	125	int is_bool, v;
	126	v = git_config_bool_or_int(key_, value_, &is_bool);
	127	if (is_bool)
	128	vptr = v ? "true" : "false";
	129	else
	130	sprintf(value, "%d", v);
1349484e MM	131	} else if (types == TYPE_PATH) {
	132	git_config_pathname(&vptr, key_, value_);
	133	must_free_vptr = 1;
008e3cc5 MM	134	} else if (value_) {
	135	vptr = value_;
	136	} else {
	137	/* Just show the key name */
	138	vptr = "";
	139	must_print_delim = 0;
c35b0b58	140	}
8f5ff31f JS	141	seen++;
	142	if (dup_error) {
	143	error("More than one value for the key %s: %s",
	144	key_, vptr);
4ddba79d	145	}
008e3cc5 MM	146	else {
	147	if (must_print_delim)
	148	printf("%c", key_delim);
2275d502	149	printf("%s%c", vptr, term);
008e3cc5	150	}
1349484e MM	151	if (must_free_vptr)
	152	/* If vptr must be freed, it's a pointer to a
	153	* dynamically allocated buffer, it's safe to cast to
	154	* const.
	155	*/
	156	free((char *)vptr);
8f5ff31f	157
4ddba79d JS	158	return 0;
	159	}
	160
4b951b7e	161	static int get_value(const char key_, const char regex_)
4ddba79d	162	{
9409c7a5	163	int ret = CONFIG_GENERIC_ERROR;
21cf3227	164	char global = NULL, xdg = NULL, *repo_config = NULL;
32043c9f	165	const char system_wide = NULL, local;
9b25a0b5 JK	166	struct config_include_data inc = CONFIG_INCLUDE_INIT;
	167	config_fn_t fn;
	168	void *data;
5f1a63e0	169
270a3443	170	local = given_config_file;
5f1a63e0	171	if (!local) {
a4f34cbb	172	local = repo_config = git_pathdup("config");
ab88c363 JK	173	if (git_config_system())
ab88c363 JK	174	system_wide = git_etc_gitconfig();
21cf3227	175	home_config_paths(&global, &xdg, "config");
5f1a63e0	176	}
4ddba79d	177
2fa9a0fb	178	if (use_key_regexp) {
b09c53a3 LP	179	char *tl;
	180
	181	/*
	182	* NEEDSWORK: this naive pattern lowercasing obviously does not
	183	* work for more complex patterns like "^[^.]Foo.bar".
	184	* Perhaps we should deprecate this altogether someday.
	185	*/
	186
	187	key = xstrdup(key_);
	188	for (tl = key + strlen(key) - 1;
	189	tl >= key && *tl != '.';
	190	tl--)
	191	tl = tolower(tl);
	192	for (tl = key; tl && tl != '.'; tl++)
	193	tl = tolower(tl);
	194
2d7320d0	195	key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb	196	if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8	197	fprintf(stderr, "Invalid key pattern: %s\n", key_);
b09c53a3	198	free(key);
9409c7a5	199	ret = CONFIG_INVALID_PATTERN;
5f1a63e0	200	goto free_strings;
2fa9a0fb	201	}
b09c53a3	202	} else {
9409c7a5 JH	203	if (git_config_parse_key(key_, &key, NULL)) {
9409c7a5 JH	204	ret = CONFIG_INVALID_KEY;
b09c53a3	205	goto free_strings;
9409c7a5	206	}
2fa9a0fb JS	207	}
2fa9a0fb JS	208
4ddba79d	209	if (regex_) {
f98d863d JS	210	if (regex_[0] == '!') {
	211	do_not_match = 1;
	212	regex_++;
	213	}
	214
2d7320d0	215	regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171	216	if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d	217	fprintf(stderr, "Invalid pattern: %s\n", regex_);
9409c7a5	218	ret = CONFIG_INVALID_PATTERN;
5f1a63e0	219	goto free_strings;
4ddba79d JS	220	}
	221	}
	222
9b25a0b5 JK	223	fn = show_config;
	224	data = NULL;
	225	if (respect_includes) {
	226	inc.fn = fn;
	227	inc.data = data;
	228	fn = git_config_include;
	229	data = &inc;
	230	}
	231
32043c9f	232	if (do_all && system_wide)
9b25a0b5	233	git_config_from_file(fn, system_wide, data);
21cf3227 HKNN	234	if (do_all && xdg)
21cf3227 HKNN	235	git_config_from_file(fn, xdg, data);
5f1a63e0	236	if (do_all && global)
9b25a0b5	237	git_config_from_file(fn, global, data);
8b1fa778	238	if (do_all)
9b25a0b5 JK	239	git_config_from_file(fn, local, data);
9b25a0b5 JK	240	git_config_from_parameters(fn, data);
8b1fa778	241	if (!do_all && !seen)
9b25a0b5	242	git_config_from_file(fn, local, data);
5f1a63e0	243	if (!do_all && !seen && global)
9b25a0b5	244	git_config_from_file(fn, global, data);
21cf3227 HKNN	245	if (!do_all && !seen && xdg)
21cf3227 HKNN	246	git_config_from_file(fn, xdg, data);
32043c9f	247	if (!do_all && !seen && system_wide)
9b25a0b5	248	git_config_from_file(fn, system_wide, data);
5f1a63e0	249
4ddba79d	250	free(key);
0a152171 AW	251	if (regexp) {
	252	regfree(regexp);
	253	free(regexp);
4ddba79d JS	254	}
	255
	256	if (do_all)
5f1a63e0 JS	257	ret = !seen;
5f1a63e0 JS	258	else
dc2613de	259	ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0 JS	260
5f1a63e0 JS	261	free_strings:
4cac42b1 JH	262	free(repo_config);
4cac42b1 JH	263	free(global);
21cf3227	264	free(xdg);
5f1a63e0	265	return ret;
4ddba79d	266	}
1b1e59c5	267
186458b1	268	static char normalize_value(const char key, const char *value)
db1696b8 FL	269	{
	270	char *normalized;
	271
	272	if (!value)
	273	return NULL;
	274
1349484e MM	275	if (types == 0 \|\| types == TYPE_PATH)
	276	/*
	277	* We don't do normalization for TYPE_PATH here: If
	278	* the path is like ~/foobar/, we prefer to store
	279	* "~/foobar/" in the config file, and to expand the ~
	280	* when retrieving the value.
	281	*/
db1696b8 FL	282	normalized = xstrdup(value);
	283	else {
	284	normalized = xmalloc(64);
16c1e939	285	if (types == TYPE_INT) {
db1696b8 FL	286	int v = git_config_int(key, value);
	287	sprintf(normalized, "%d", v);
	288	}
16c1e939	289	else if (types == TYPE_BOOL)
db1696b8 FL	290	sprintf(normalized, "%s",
db1696b8 FL	291	git_config_bool(key, value) ? "true" : "false");
16c1e939	292	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	293	int is_bool, v;
	294	v = git_config_bool_or_int(key, value, &is_bool);
	295	if (!is_bool)
	296	sprintf(normalized, "%d", v);
	297	else
	298	sprintf(normalized, "%s", v ? "true" : "false");
	299	}
db1696b8 FL	300	}
	301
	302	return normalized;
	303	}
	304
9ce03522 JH	305	static int get_color_found;
9ce03522 JH	306	static const char *get_color_slot;
b408457f	307	static const char *get_colorbool_slot;
9ce03522 JH	308	static char parsed_color[COLOR_MAXLEN];
9ce03522 JH	309
ef90d6d4	310	static int git_get_color_config(const char var, const char value, void *cb)
9ce03522 JH	311	{
9ce03522 JH	312	if (!strcmp(var, get_color_slot)) {
f769982d JH	313	if (!value)
f769982d JH	314	config_error_nonbool(var);
9ce03522 JH	315	color_parse(value, var, parsed_color);
	316	get_color_found = 1;
	317	}
	318	return 0;
	319	}
	320
0e854a28	321	static void get_color(const char *def_color)
9ce03522	322	{
9ce03522 JH	323	get_color_found = 0;
9ce03522 JH	324	parsed_color[0] = '\0';
270a3443	325	git_config_with_options(git_get_color_config, NULL,
9b25a0b5	326	given_config_file, respect_includes);
9ce03522 JH	327
	328	if (!get_color_found && def_color)
	329	color_parse(def_color, "command line", parsed_color);
	330
	331	fputs(parsed_color, stdout);
9ce03522 JH	332	}
9ce03522 JH	333
0f6f5a40	334	static int get_colorbool_found;
69243c2b	335	static int get_diff_color_found;
c659f55b	336	static int get_color_ui_found;
ef90d6d4 JS	337	static int git_get_colorbool_config(const char var, const char value,
ef90d6d4 JS	338	void *cb)
0f6f5a40	339	{
e269eb79 JK	340	if (!strcmp(var, get_colorbool_slot))
	341	get_colorbool_found = git_config_colorbool(var, value);
	342	else if (!strcmp(var, "diff.color"))
	343	get_diff_color_found = git_config_colorbool(var, value);
	344	else if (!strcmp(var, "color.ui"))
c659f55b	345	get_color_ui_found = git_config_colorbool(var, value);
0f6f5a40 JH	346	return 0;
	347	}
	348
0e854a28	349	static int get_colorbool(int print)
0f6f5a40	350	{
69243c2b JH	351	get_colorbool_found = -1;
69243c2b JH	352	get_diff_color_found = -1;
270a3443	353	git_config_with_options(git_get_colorbool_config, NULL,
9b25a0b5	354	given_config_file, respect_includes);
0f6f5a40	355
69243c2b	356	if (get_colorbool_found < 0) {
b408457f	357	if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b JH	358	get_colorbool_found = get_diff_color_found;
69243c2b JH	359	if (get_colorbool_found < 0)
c659f55b	360	get_colorbool_found = get_color_ui_found;
69243c2b JH	361	}
69243c2b JH	362
daa0c3d9 JK	363	get_colorbool_found = want_color(get_colorbool_found);
daa0c3d9 JK	364
0e854a28	365	if (print) {
0f6f5a40 JH	366	printf("%s\n", get_colorbool_found ? "true" : "false");
0f6f5a40 JH	367	return 0;
0e854a28 FC	368	} else
0e854a28 FC	369	return get_colorbool_found ? 0 : 1;
0f6f5a40 JH	370	}
0f6f5a40 JH	371
3ba7e6e2	372	int cmd_config(int argc, const char *argv, const char prefix)
1b1e59c5	373	{
3ba7e6e2	374	int nongit = !startup_info->have_repository;
4b951b7e	375	char *value;
7162dff3	376
270a3443	377	given_config_file = getenv(CONFIG_ENVIRONMENT);
dc871831	378
37782920 SB	379	argc = parse_options(argc, argv, prefix, builtin_config_options,
37782920 SB	380	builtin_config_usage,
d64ec16c FC	381	PARSE_OPT_STOP_AT_NON_OPTION);
d64ec16c FC	382
57210a67	383	if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
67052c9d FC	384	error("only one config file at a time.");
	385	usage_with_options(builtin_config_usage, builtin_config_options);
	386	}
	387
d64ec16c	388	if (use_global_config) {
21cf3227 HKNN	389	char *user_config = NULL;
	390	char *xdg_config = NULL;
	391
	392	home_config_paths(&user_config, &xdg_config, "config");
	393
e3ebc35b MM	394	if (!user_config)
	395	/*
	396	* It is unknown if HOME/.gitconfig exists, so
	397	* we do not know if we should write to XDG
	398	* location; error out even if XDG_CONFIG_HOME
	399	* is set and points at a sane location.
	400	*/
	401	die("$HOME not set");
	402
ba8bd830 JK	403	if (access_or_warn(user_config, R_OK) &&
ba8bd830 JK	404	xdg_config && !access_or_warn(xdg_config, R_OK))
21cf3227	405	given_config_file = xdg_config;
21cf3227	406	else
e3ebc35b	407	given_config_file = user_config;
d64ec16c FC	408	}
d64ec16c FC	409	else if (use_system_config)
270a3443	410	given_config_file = git_etc_gitconfig();
57210a67	411	else if (use_local_config)
270a3443	412	given_config_file = git_pathdup("config");
d64ec16c FC	413	else if (given_config_file) {
d64ec16c FC	414	if (!is_absolute_path(given_config_file) && prefix)
270a3443	415	given_config_file =
839de252 JK	416	xstrdup(prefix_filename(prefix,
	417	strlen(prefix),
	418	given_config_file));
d64ec16c FC	419	}
d64ec16c FC	420
9b25a0b5 JK	421	if (respect_includes == -1)
	422	respect_includes = !given_config_file;
	423
d64ec16c FC	424	if (end_null) {
	425	term = '\0';
	426	delim = '\n';
	427	key_delim = '\n';
	428	}
	429
16c1e939 FC	430	if (HAS_MULTI_BITS(types)) {
	431	error("only one type at a time.");
	432	usage_with_options(builtin_config_usage, builtin_config_options);
	433	}
	434
d64ec16c FC	435	if (get_color_slot)
	436	actions \|= ACTION_GET_COLOR;
	437	if (get_colorbool_slot)
	438	actions \|= ACTION_GET_COLORBOOL;
	439
c2387358 FC	440	if ((get_color_slot \|\| get_colorbool_slot) && types) {
	441	error("--get-color and variable type are incoherent");
	442	usage_with_options(builtin_config_usage, builtin_config_options);
	443	}
	444
d64ec16c FC	445	if (HAS_MULTI_BITS(actions)) {
	446	error("only one action at a time.");
	447	usage_with_options(builtin_config_usage, builtin_config_options);
	448	}
	449	if (actions == 0)
	450	switch (argc) {
	451	case 1: actions = ACTION_GET; break;
	452	case 2: actions = ACTION_SET; break;
	453	case 3: actions = ACTION_SET_ALL; break;
	454	default:
	455	usage_with_options(builtin_config_usage, builtin_config_options);
db1696b8	456	}
d64ec16c FC	457
d64ec16c FC	458	if (actions == ACTION_LIST) {
225a9caf	459	check_argc(argc, 0, 0);
270a3443	460	if (git_config_with_options(show_all_config, NULL,
9b25a0b5 JK	461	given_config_file,
9b25a0b5 JK	462	respect_includes) < 0) {
270a3443	463	if (given_config_file)
d824cbba	464	die_errno("unable to read config file '%s'",
270a3443	465	given_config_file);
d64ec16c FC	466	else
d64ec16c FC	467	die("error processing config file(s)");
db1696b8	468	}
1b1e59c5	469	}
d64ec16c	470	else if (actions == ACTION_EDIT) {
225a9caf	471	check_argc(argc, 0, 0);
270a3443	472	if (!given_config_file && nongit)
d212ca17	473	die("not in a git directory");
d64ec16c	474	git_config(git_default_config, NULL);
270a3443 JK	475	launch_editor(given_config_file ?
270a3443 JK	476	given_config_file : git_path("config"),
d64ec16c FC	477	NULL, NULL);
	478	}
	479	else if (actions == ACTION_SET) {
5a2df368	480	int ret;
d64ec16c FC	481	check_argc(argc, 2, 2);
d64ec16c FC	482	value = normalize_value(argv[0], argv[1]);
270a3443	483	ret = git_config_set_in_file(given_config_file, argv[0], value);
5a2df368 MG	484	if (ret == CONFIG_NOTHING_SET)
5a2df368 MG	485	error("cannot overwrite multiple values with a single value\n"
67e223ed	486	" Use a regexp, --add or --replace-all to change %s.", argv[0]);
5a2df368	487	return ret;
d64ec16c FC	488	}
	489	else if (actions == ACTION_SET_ALL) {
	490	check_argc(argc, 2, 3);
	491	value = normalize_value(argv[0], argv[1]);
270a3443 JK	492	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	493	argv[0], value, argv[2], 0);
d64ec16c FC	494	}
	495	else if (actions == ACTION_ADD) {
	496	check_argc(argc, 2, 2);
	497	value = normalize_value(argv[0], argv[1]);
270a3443 JK	498	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	499	argv[0], value, "^$", 0);
d64ec16c FC	500	}
	501	else if (actions == ACTION_REPLACE_ALL) {
	502	check_argc(argc, 2, 3);
	503	value = normalize_value(argv[0], argv[1]);
270a3443 JK	504	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	505	argv[0], value, argv[2], 1);
d64ec16c FC	506	}
	507	else if (actions == ACTION_GET) {
	508	check_argc(argc, 1, 2);
	509	return get_value(argv[0], argv[1]);
	510	}
	511	else if (actions == ACTION_GET_ALL) {
	512	do_all = 1;
	513	check_argc(argc, 1, 2);
	514	return get_value(argv[0], argv[1]);
	515	}
	516	else if (actions == ACTION_GET_REGEXP) {
	517	show_keys = 1;
	518	use_key_regexp = 1;
	519	do_all = 1;
	520	check_argc(argc, 1, 2);
	521	return get_value(argv[0], argv[1]);
	522	}
	523	else if (actions == ACTION_UNSET) {
	524	check_argc(argc, 1, 2);
	525	if (argc == 2)
270a3443 JK	526	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	527	argv[0], NULL, argv[1], 0);
d64ec16c	528	else
270a3443 JK	529	return git_config_set_in_file(given_config_file,
270a3443 JK	530	argv[0], NULL);
d64ec16c FC	531	}
	532	else if (actions == ACTION_UNSET_ALL) {
	533	check_argc(argc, 1, 2);
270a3443 JK	534	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	535	argv[0], NULL, argv[1], 1);
d64ec16c FC	536	}
	537	else if (actions == ACTION_RENAME_SECTION) {
	538	int ret;
	539	check_argc(argc, 2, 2);
270a3443 JK	540	ret = git_config_rename_section_in_file(given_config_file,
270a3443 JK	541	argv[0], argv[1]);
d64ec16c FC	542	if (ret < 0)
	543	return ret;
	544	if (ret == 0)
	545	die("No such section!");
	546	}
	547	else if (actions == ACTION_REMOVE_SECTION) {
	548	int ret;
	549	check_argc(argc, 1, 1);
270a3443 JK	550	ret = git_config_rename_section_in_file(given_config_file,
270a3443 JK	551	argv[0], NULL);
d64ec16c FC	552	if (ret < 0)
	553	return ret;
	554	if (ret == 0)
	555	die("No such section!");
	556	}
	557	else if (actions == ACTION_GET_COLOR) {
	558	get_color(argv[0]);
	559	}
	560	else if (actions == ACTION_GET_COLORBOOL) {
	561	if (argc == 1)
e269eb79	562	color_stdout_is_tty = git_config_bool("command line", argv[0]);
d64ec16c FC	563	return get_colorbool(argc != 0);
	564	}
	565
1b1e59c5 JS	566	return 0;
1b1e59c5 JS	567	}
6390c905 RS	568
	569	int cmd_repo_config(int argc, const char *argv, const char prefix)
	570	{
	571	fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
	572	return cmd_config(argc, argv, prefix);
	573	}