[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 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;
}

struct strbuf_list {
	struct strbuf *items;
	int nr;
	int alloc;
};

static int collect_config(const char *key_, const char *value_, void *cb)
{
	struct strbuf_list *values = cb;
	struct strbuf *buf;
	char value[256];
	const char *vptr = value;
	int must_free_vptr = 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;

	ALLOC_GROW(values->items, values->nr + 1, values->alloc);
	buf = &values->items[values->nr++];
	strbuf_init(buf, 0);

	if (show_keys) {
		strbuf_addstr(buf, key_);
		must_print_delim = 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) {
		if (git_config_pathname(&vptr, key_, value_) < 0)
			return -1;
		must_free_vptr = 1;
	} else if (value_) {
		vptr = value_;
	} else {
		/* Just show the key name */
		vptr = "";
		must_print_delim = 0;
	}

	if (must_print_delim)
		strbuf_addch(buf, key_delim);
	strbuf_addstr(buf, vptr);
	strbuf_addch(buf, 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;
	struct strbuf_list values = {NULL};
	int i;

	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_regexp);
			key_regexp = NULL;
			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_);
			free(regexp);
			regexp = NULL;
			ret = CONFIG_INVALID_PATTERN;
			goto free_strings;
		}
	}

	git_config_with_options(collect_config, &values,
				given_config_file, respect_includes);

	ret = !values.nr;

	for (i = 0; i < values.nr; i++) {
		struct strbuf *buf = values.items + i;
		if (do_all || i == values.nr - 1)
			fwrite(buf->buf, 1, buf->len, stdout);
		strbuf_release(buf);
	}
	free(values.items);

free_strings:
	free(key);
	if (key_regexp) {
		regfree(key_regexp);
		free(key_regexp);
	}
	if (regexp) {
		regfree(regexp);
		free(regexp);
	}

	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;
	get_color_ui_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;
	}

	if (get_colorbool_found < 0)
		/* default value if none found in config */
		get_colorbool_found = 0;

	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;
2275d502 FL	18	static char delim = '=';
	19	static char key_delim = ' ';
	20	static char term = '\n';
4ddba79d	21
57210a67	22	static int use_global_config, use_system_config, use_local_config;
d64ec16c	23	static const char *given_config_file;
16c1e939	24	static int actions, types;
d64ec16c FC	25	static const char get_color_slot, get_colorbool_slot;
d64ec16c FC	26	static int end_null;
9b25a0b5	27	static int respect_includes = -1;
d64ec16c FC	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	50	static struct option builtin_config_options[] = {
1bd31ce6 NTND	51	OPT_GROUP(N_("Config file location")),
	52	OPT_BOOLEAN(0, "global", &use_global_config, N_("use global config file")),
	53	OPT_BOOLEAN(0, "system", &use_system_config, N_("use system config file")),
	54	OPT_BOOLEAN(0, "local", &use_local_config, N_("use repository config file")),
	55	OPT_STRING('f', "file", &given_config_file, N_("file"), N_("use given config file")),
	56	OPT_GROUP(N_("Action")),
	57	OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
	58	OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
	59	OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
	60	OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
f63cf8c9 NTND	61	OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
	62	OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
	63	OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL),
1bd31ce6 NTND	64	OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
	65	OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
	66	OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
f63cf8c9	67	OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
1bd31ce6 NTND	68	OPT_STRING(0, "get-color", &get_color_slot, N_("slot"), N_("find the color configured: [default]")),
	69	OPT_STRING(0, "get-colorbool", &get_colorbool_slot, N_("slot"), N_("find the color setting: [stdout-is-tty]")),
	70	OPT_GROUP(N_("Type")),
	71	OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
	72	OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
	73	OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
	74	OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
	75	OPT_GROUP(N_("Other")),
	76	OPT_BOOLEAN('z', "null", &end_null, N_("terminate values with NUL byte")),
	77	OPT_BOOL(0, "includes", &respect_includes, N_("respect include directives on lookup")),
d64ec16c FC	78	OPT_END(),
	79	};
	80
	81	static void check_argc(int argc, int min, int max) {
	82	if (argc >= min && argc <= max)
	83	return;
	84	error("wrong number of arguments");
	85	usage_with_options(builtin_config_usage, builtin_config_options);
	86	}
	87
ef90d6d4	88	static int show_all_config(const char key_, const char value_, void *cb)
de791f15 PB	89	{
de791f15 PB	90	if (value_)
2275d502	91	printf("%s%c%s%c", key_, delim, value_, term);
de791f15	92	else
2275d502	93	printf("%s%c", key_, term);
de791f15 PB	94	return 0;
	95	}
	96
7acdd6f0 JK	97	struct strbuf_list {
	98	struct strbuf *items;
	99	int nr;
	100	int alloc;
	101	};
	102
	103	static int collect_config(const char key_, const char value_, void *cb)
4ddba79d	104	{
7acdd6f0 JK	105	struct strbuf_list *values = cb;
7acdd6f0 JK	106	struct strbuf *buf;
e098c6f8 JH	107	char value[256];
e098c6f8 JH	108	const char *vptr = value;
1349484e	109	int must_free_vptr = 0;
008e3cc5	110	int must_print_delim = 0;
e098c6f8	111
8f5ff31f JS	112	if (!use_key_regexp && strcmp(key_, key))
	113	return 0;
	114	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
	115	return 0;
	116	if (regexp != NULL &&
9e4bbeb9	117	(do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f JS	118	return 0;
8f5ff31f JS	119
7acdd6f0 JK	120	ALLOC_GROW(values->items, values->nr + 1, values->alloc);
	121	buf = &values->items[values->nr++];
	122	strbuf_init(buf, 0);
	123
b69ba460	124	if (show_keys) {
7acdd6f0	125	strbuf_addstr(buf, key_);
008e3cc5	126	must_print_delim = 1;
b69ba460	127	}
16c1e939	128	if (types == TYPE_INT)
acb70149	129	sprintf(value, "%d", git_config_int(key_, value_?value_:""));
16c1e939	130	else if (types == TYPE_BOOL)
8f5ff31f	131	vptr = git_config_bool(key_, value_) ? "true" : "false";
16c1e939	132	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	133	int is_bool, v;
	134	v = git_config_bool_or_int(key_, value_, &is_bool);
	135	if (is_bool)
	136	vptr = v ? "true" : "false";
	137	else
	138	sprintf(value, "%d", v);
1349484e	139	} else if (types == TYPE_PATH) {
962c38ee CMN	140	if (git_config_pathname(&vptr, key_, value_) < 0)
962c38ee CMN	141	return -1;
1349484e	142	must_free_vptr = 1;
008e3cc5 MM	143	} else if (value_) {
	144	vptr = value_;
	145	} else {
	146	/* Just show the key name */
	147	vptr = "";
	148	must_print_delim = 0;
c35b0b58	149	}
00b347d3 JK	150
	151	if (must_print_delim)
	152	strbuf_addch(buf, key_delim);
	153	strbuf_addstr(buf, vptr);
	154	strbuf_addch(buf, term);
	155
1349484e MM	156	if (must_free_vptr)
	157	/* If vptr must be freed, it's a pointer to a
	158	* dynamically allocated buffer, it's safe to cast to
	159	* const.
	160	*/
	161	free((char *)vptr);
8f5ff31f	162
4ddba79d JS	163	return 0;
	164	}
	165
4b951b7e	166	static int get_value(const char key_, const char regex_)
4ddba79d	167	{
9409c7a5	168	int ret = CONFIG_GENERIC_ERROR;
5ba1a8a7	169	struct strbuf_list values = {NULL};
7acdd6f0	170	int i;
4ddba79d	171
2fa9a0fb	172	if (use_key_regexp) {
b09c53a3 LP	173	char *tl;
	174
	175	/*
	176	* NEEDSWORK: this naive pattern lowercasing obviously does not
	177	* work for more complex patterns like "^[^.]Foo.bar".
	178	* Perhaps we should deprecate this altogether someday.
	179	*/
	180
	181	key = xstrdup(key_);
	182	for (tl = key + strlen(key) - 1;
	183	tl >= key && *tl != '.';
	184	tl--)
	185	tl = tolower(tl);
	186	for (tl = key; tl && tl != '.'; tl++)
	187	tl = tolower(tl);
	188
2d7320d0	189	key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb	190	if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8	191	fprintf(stderr, "Invalid key pattern: %s\n", key_);
97ed50f9 JK	192	free(key_regexp);
97ed50f9 JK	193	key_regexp = NULL;
9409c7a5	194	ret = CONFIG_INVALID_PATTERN;
5f1a63e0	195	goto free_strings;
2fa9a0fb	196	}
b09c53a3	197	} else {
9409c7a5 JH	198	if (git_config_parse_key(key_, &key, NULL)) {
9409c7a5 JH	199	ret = CONFIG_INVALID_KEY;
b09c53a3	200	goto free_strings;
9409c7a5	201	}
2fa9a0fb JS	202	}
2fa9a0fb JS	203
4ddba79d	204	if (regex_) {
f98d863d JS	205	if (regex_[0] == '!') {
	206	do_not_match = 1;
	207	regex_++;
	208	}
	209
2d7320d0	210	regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171	211	if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d	212	fprintf(stderr, "Invalid pattern: %s\n", regex_);
97ed50f9 JK	213	free(regexp);
97ed50f9 JK	214	regexp = NULL;
9409c7a5	215	ret = CONFIG_INVALID_PATTERN;
5f1a63e0	216	goto free_strings;
4ddba79d JS	217	}
	218	}
	219
e8955898 JK	220	git_config_with_options(collect_config, &values,
e8955898 JK	221	given_config_file, respect_includes);
5f1a63e0	222
00b347d3	223	ret = !values.nr;
9b25a0b5	224
7acdd6f0 JK	225	for (i = 0; i < values.nr; i++) {
7acdd6f0 JK	226	struct strbuf *buf = values.items + i;
00b347d3 JK	227	if (do_all \|\| i == values.nr - 1)
00b347d3 JK	228	fwrite(buf->buf, 1, buf->len, stdout);
7acdd6f0 JK	229	strbuf_release(buf);
	230	}
	231	free(values.items);
5f1a63e0	232
97ed50f9	233	free_strings:
4ddba79d	234	free(key);
35998c89 JK	235	if (key_regexp) {
	236	regfree(key_regexp);
	237	free(key_regexp);
	238	}
0a152171 AW	239	if (regexp) {
	240	regfree(regexp);
	241	free(regexp);
4ddba79d JS	242	}
4ddba79d JS	243
5f1a63e0	244	return ret;
4ddba79d	245	}
1b1e59c5	246
186458b1	247	static char normalize_value(const char key, const char *value)
db1696b8 FL	248	{
	249	char *normalized;
	250
	251	if (!value)
	252	return NULL;
	253
1349484e MM	254	if (types == 0 \|\| types == TYPE_PATH)
	255	/*
	256	* We don't do normalization for TYPE_PATH here: If
	257	* the path is like ~/foobar/, we prefer to store
	258	* "~/foobar/" in the config file, and to expand the ~
	259	* when retrieving the value.
	260	*/
db1696b8 FL	261	normalized = xstrdup(value);
	262	else {
	263	normalized = xmalloc(64);
16c1e939	264	if (types == TYPE_INT) {
db1696b8 FL	265	int v = git_config_int(key, value);
	266	sprintf(normalized, "%d", v);
	267	}
16c1e939	268	else if (types == TYPE_BOOL)
db1696b8 FL	269	sprintf(normalized, "%s",
db1696b8 FL	270	git_config_bool(key, value) ? "true" : "false");
16c1e939	271	else if (types == TYPE_BOOL_OR_INT) {
c35b0b58 JH	272	int is_bool, v;
	273	v = git_config_bool_or_int(key, value, &is_bool);
	274	if (!is_bool)
	275	sprintf(normalized, "%d", v);
	276	else
	277	sprintf(normalized, "%s", v ? "true" : "false");
	278	}
db1696b8 FL	279	}
	280
	281	return normalized;
	282	}
	283
9ce03522 JH	284	static int get_color_found;
9ce03522 JH	285	static const char *get_color_slot;
b408457f	286	static const char *get_colorbool_slot;
9ce03522 JH	287	static char parsed_color[COLOR_MAXLEN];
9ce03522 JH	288
ef90d6d4	289	static int git_get_color_config(const char var, const char value, void *cb)
9ce03522 JH	290	{
9ce03522 JH	291	if (!strcmp(var, get_color_slot)) {
f769982d JH	292	if (!value)
f769982d JH	293	config_error_nonbool(var);
9ce03522 JH	294	color_parse(value, var, parsed_color);
	295	get_color_found = 1;
	296	}
	297	return 0;
	298	}
	299
0e854a28	300	static void get_color(const char *def_color)
9ce03522	301	{
9ce03522 JH	302	get_color_found = 0;
9ce03522 JH	303	parsed_color[0] = '\0';
270a3443	304	git_config_with_options(git_get_color_config, NULL,
9b25a0b5	305	given_config_file, respect_includes);
9ce03522 JH	306
	307	if (!get_color_found && def_color)
	308	color_parse(def_color, "command line", parsed_color);
	309
	310	fputs(parsed_color, stdout);
9ce03522 JH	311	}
9ce03522 JH	312
0f6f5a40	313	static int get_colorbool_found;
69243c2b	314	static int get_diff_color_found;
c659f55b	315	static int get_color_ui_found;
ef90d6d4 JS	316	static int git_get_colorbool_config(const char var, const char value,
ef90d6d4 JS	317	void *cb)
0f6f5a40	318	{
e269eb79 JK	319	if (!strcmp(var, get_colorbool_slot))
	320	get_colorbool_found = git_config_colorbool(var, value);
	321	else if (!strcmp(var, "diff.color"))
	322	get_diff_color_found = git_config_colorbool(var, value);
	323	else if (!strcmp(var, "color.ui"))
c659f55b	324	get_color_ui_found = git_config_colorbool(var, value);
0f6f5a40 JH	325	return 0;
	326	}
	327
0e854a28	328	static int get_colorbool(int print)
0f6f5a40	329	{
69243c2b JH	330	get_colorbool_found = -1;
69243c2b JH	331	get_diff_color_found = -1;
b8612b4d	332	get_color_ui_found = -1;
270a3443	333	git_config_with_options(git_get_colorbool_config, NULL,
9b25a0b5	334	given_config_file, respect_includes);
0f6f5a40	335
69243c2b	336	if (get_colorbool_found < 0) {
b408457f	337	if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b JH	338	get_colorbool_found = get_diff_color_found;
69243c2b JH	339	if (get_colorbool_found < 0)
c659f55b	340	get_colorbool_found = get_color_ui_found;
69243c2b JH	341	}
69243c2b JH	342
b8612b4d MM	343	if (get_colorbool_found < 0)
	344	/* default value if none found in config */
	345	get_colorbool_found = 0;
	346
daa0c3d9 JK	347	get_colorbool_found = want_color(get_colorbool_found);
daa0c3d9 JK	348
0e854a28	349	if (print) {
0f6f5a40 JH	350	printf("%s\n", get_colorbool_found ? "true" : "false");
0f6f5a40 JH	351	return 0;
0e854a28 FC	352	} else
0e854a28 FC	353	return get_colorbool_found ? 0 : 1;
0f6f5a40 JH	354	}
0f6f5a40 JH	355
3ba7e6e2	356	int cmd_config(int argc, const char *argv, const char prefix)
1b1e59c5	357	{
3ba7e6e2	358	int nongit = !startup_info->have_repository;
4b951b7e	359	char *value;
7162dff3	360
270a3443	361	given_config_file = getenv(CONFIG_ENVIRONMENT);
dc871831	362
37782920 SB	363	argc = parse_options(argc, argv, prefix, builtin_config_options,
37782920 SB	364	builtin_config_usage,
d64ec16c FC	365	PARSE_OPT_STOP_AT_NON_OPTION);
d64ec16c FC	366
57210a67	367	if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
67052c9d FC	368	error("only one config file at a time.");
	369	usage_with_options(builtin_config_usage, builtin_config_options);
	370	}
	371
d64ec16c	372	if (use_global_config) {
21cf3227 HKNN	373	char *user_config = NULL;
	374	char *xdg_config = NULL;
	375
	376	home_config_paths(&user_config, &xdg_config, "config");
	377
e3ebc35b MM	378	if (!user_config)
	379	/*
	380	* It is unknown if HOME/.gitconfig exists, so
	381	* we do not know if we should write to XDG
	382	* location; error out even if XDG_CONFIG_HOME
	383	* is set and points at a sane location.
	384	*/
	385	die("$HOME not set");
	386
ba8bd830 JK	387	if (access_or_warn(user_config, R_OK) &&
ba8bd830 JK	388	xdg_config && !access_or_warn(xdg_config, R_OK))
21cf3227	389	given_config_file = xdg_config;
21cf3227	390	else
e3ebc35b	391	given_config_file = user_config;
d64ec16c FC	392	}
d64ec16c FC	393	else if (use_system_config)
270a3443	394	given_config_file = git_etc_gitconfig();
57210a67	395	else if (use_local_config)
270a3443	396	given_config_file = git_pathdup("config");
d64ec16c FC	397	else if (given_config_file) {
d64ec16c FC	398	if (!is_absolute_path(given_config_file) && prefix)
270a3443	399	given_config_file =
839de252 JK	400	xstrdup(prefix_filename(prefix,
	401	strlen(prefix),
	402	given_config_file));
d64ec16c FC	403	}
d64ec16c FC	404
9b25a0b5 JK	405	if (respect_includes == -1)
	406	respect_includes = !given_config_file;
	407
d64ec16c FC	408	if (end_null) {
	409	term = '\0';
	410	delim = '\n';
	411	key_delim = '\n';
	412	}
	413
16c1e939 FC	414	if (HAS_MULTI_BITS(types)) {
	415	error("only one type at a time.");
	416	usage_with_options(builtin_config_usage, builtin_config_options);
	417	}
	418
d64ec16c FC	419	if (get_color_slot)
	420	actions \|= ACTION_GET_COLOR;
	421	if (get_colorbool_slot)
	422	actions \|= ACTION_GET_COLORBOOL;
	423
c2387358 FC	424	if ((get_color_slot \|\| get_colorbool_slot) && types) {
	425	error("--get-color and variable type are incoherent");
	426	usage_with_options(builtin_config_usage, builtin_config_options);
	427	}
	428
d64ec16c FC	429	if (HAS_MULTI_BITS(actions)) {
	430	error("only one action at a time.");
	431	usage_with_options(builtin_config_usage, builtin_config_options);
	432	}
	433	if (actions == 0)
	434	switch (argc) {
	435	case 1: actions = ACTION_GET; break;
	436	case 2: actions = ACTION_SET; break;
	437	case 3: actions = ACTION_SET_ALL; break;
	438	default:
	439	usage_with_options(builtin_config_usage, builtin_config_options);
db1696b8	440	}
d64ec16c FC	441
d64ec16c FC	442	if (actions == ACTION_LIST) {
225a9caf	443	check_argc(argc, 0, 0);
270a3443	444	if (git_config_with_options(show_all_config, NULL,
9b25a0b5 JK	445	given_config_file,
9b25a0b5 JK	446	respect_includes) < 0) {
270a3443	447	if (given_config_file)
d824cbba	448	die_errno("unable to read config file '%s'",
270a3443	449	given_config_file);
d64ec16c FC	450	else
d64ec16c FC	451	die("error processing config file(s)");
db1696b8	452	}
1b1e59c5	453	}
d64ec16c	454	else if (actions == ACTION_EDIT) {
225a9caf	455	check_argc(argc, 0, 0);
270a3443	456	if (!given_config_file && nongit)
d212ca17	457	die("not in a git directory");
d64ec16c	458	git_config(git_default_config, NULL);
270a3443 JK	459	launch_editor(given_config_file ?
270a3443 JK	460	given_config_file : git_path("config"),
d64ec16c FC	461	NULL, NULL);
	462	}
	463	else if (actions == ACTION_SET) {
5a2df368	464	int ret;
d64ec16c FC	465	check_argc(argc, 2, 2);
d64ec16c FC	466	value = normalize_value(argv[0], argv[1]);
270a3443	467	ret = git_config_set_in_file(given_config_file, argv[0], value);
5a2df368 MG	468	if (ret == CONFIG_NOTHING_SET)
5a2df368 MG	469	error("cannot overwrite multiple values with a single value\n"
67e223ed	470	" Use a regexp, --add or --replace-all to change %s.", argv[0]);
5a2df368	471	return ret;
d64ec16c FC	472	}
	473	else if (actions == ACTION_SET_ALL) {
	474	check_argc(argc, 2, 3);
	475	value = normalize_value(argv[0], argv[1]);
270a3443 JK	476	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	477	argv[0], value, argv[2], 0);
d64ec16c FC	478	}
	479	else if (actions == ACTION_ADD) {
	480	check_argc(argc, 2, 2);
	481	value = normalize_value(argv[0], argv[1]);
270a3443 JK	482	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	483	argv[0], value, "^$", 0);
d64ec16c FC	484	}
	485	else if (actions == ACTION_REPLACE_ALL) {
	486	check_argc(argc, 2, 3);
	487	value = normalize_value(argv[0], argv[1]);
270a3443 JK	488	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	489	argv[0], value, argv[2], 1);
d64ec16c FC	490	}
	491	else if (actions == ACTION_GET) {
	492	check_argc(argc, 1, 2);
	493	return get_value(argv[0], argv[1]);
	494	}
	495	else if (actions == ACTION_GET_ALL) {
	496	do_all = 1;
	497	check_argc(argc, 1, 2);
	498	return get_value(argv[0], argv[1]);
	499	}
	500	else if (actions == ACTION_GET_REGEXP) {
	501	show_keys = 1;
	502	use_key_regexp = 1;
	503	do_all = 1;
	504	check_argc(argc, 1, 2);
	505	return get_value(argv[0], argv[1]);
	506	}
	507	else if (actions == ACTION_UNSET) {
	508	check_argc(argc, 1, 2);
	509	if (argc == 2)
270a3443 JK	510	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	511	argv[0], NULL, argv[1], 0);
d64ec16c	512	else
270a3443 JK	513	return git_config_set_in_file(given_config_file,
270a3443 JK	514	argv[0], NULL);
d64ec16c FC	515	}
	516	else if (actions == ACTION_UNSET_ALL) {
	517	check_argc(argc, 1, 2);
270a3443 JK	518	return git_config_set_multivar_in_file(given_config_file,
270a3443 JK	519	argv[0], NULL, argv[1], 1);
d64ec16c FC	520	}
	521	else if (actions == ACTION_RENAME_SECTION) {
	522	int ret;
	523	check_argc(argc, 2, 2);
270a3443 JK	524	ret = git_config_rename_section_in_file(given_config_file,
270a3443 JK	525	argv[0], argv[1]);
d64ec16c FC	526	if (ret < 0)
	527	return ret;
	528	if (ret == 0)
	529	die("No such section!");
	530	}
	531	else if (actions == ACTION_REMOVE_SECTION) {
	532	int ret;
	533	check_argc(argc, 1, 1);
270a3443 JK	534	ret = git_config_rename_section_in_file(given_config_file,
270a3443 JK	535	argv[0], NULL);
d64ec16c FC	536	if (ret < 0)
	537	return ret;
	538	if (ret == 0)
	539	die("No such section!");
	540	}
	541	else if (actions == ACTION_GET_COLOR) {
	542	get_color(argv[0]);
	543	}
	544	else if (actions == ACTION_GET_COLORBOOL) {
	545	if (argc == 1)
e269eb79	546	color_stdout_is_tty = git_config_bool("command line", argv[0]);
d64ec16c FC	547	return get_colorbool(argc != 0);
	548	}
	549
1b1e59c5 JS	550	return 0;
1b1e59c5 JS	551	}
6390c905 RS	552
	553	int cmd_repo_config(int argc, const char *argv, const char prefix)
	554	{
	555	fprintf(stderr, "WARNING: git repo-config is deprecated in favor of git config.\n");
	556	return cmd_config(argc, argv, prefix);
	557	}