[thirdparty/git.git] / builtin-config.c

#include "builtin.h"
#include "cache.h"
#include "color.h"

static const char git_config_set_usage[] =
"git config [ --global | --system | [ -f | --file ] config-file ] [ --bool | --int | --bool-or-int ] [ -z | --null ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --rename-section old_name new_name | --remove-section name | --list | --get-color var [default] | --get-colorbool name [stdout-is-tty] | --edit | -e ]";

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 enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW;

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

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

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

	if (show_keys) {
		if (value_)
			printf("%s%c", key_, key_delim);
		else
			printf("%s", key_);
	}
	if (seen && !do_all)
		dup_error = 1;
	if (type == T_INT)
		sprintf(value, "%d", git_config_int(key_, value_?value_:""));
	else if (type == T_BOOL)
		vptr = git_config_bool(key_, value_) ? "true" : "false";
	else if (type == T_BOOL_OR_INT) {
		int is_bool, v;
		v = git_config_bool_or_int(key_, value_, &is_bool);
		if (is_bool)
			vptr = v ? "true" : "false";
		else
			sprintf(value, "%d", v);
	}
	else
		vptr = value_?value_:"";
	seen++;
	if (dup_error) {
		error("More than one value for the key %s: %s",
				key_, vptr);
	}
	else
		printf("%s%c", vptr, term);

	return 0;
}

static int get_value(const char *key_, const char *regex_)
{
	int ret = -1;
	char *tl;
	char *global = NULL, *repo_config = NULL;
	const char *system_wide = NULL, *local;

	local = config_exclusive_filename;
	if (!local) {
		const char *home = getenv("HOME");
		local = repo_config = git_pathdup("config");
		if (git_config_global() && home)
			global = xstrdup(mkpath("%s/.gitconfig", home));
		if (git_config_system())
			system_wide = git_etc_gitconfig();
	}

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

	if (use_key_regexp) {
		key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
		if (regcomp(key_regexp, key, REG_EXTENDED)) {
			fprintf(stderr, "Invalid key pattern: %s\n", key_);
			goto free_strings;
		}
	}

	if (regex_) {
		if (regex_[0] == '!') {
			do_not_match = 1;
			regex_++;
		}

		regexp = (regex_t*)xmalloc(sizeof(regex_t));
		if (regcomp(regexp, regex_, REG_EXTENDED)) {
			fprintf(stderr, "Invalid pattern: %s\n", regex_);
			goto free_strings;
		}
	}

	if (do_all && system_wide)
		git_config_from_file(show_config, system_wide, NULL);
	if (do_all && global)
		git_config_from_file(show_config, global, NULL);
	git_config_from_file(show_config, local, NULL);
	if (!do_all && !seen && global)
		git_config_from_file(show_config, global, NULL);
	if (!do_all && !seen && system_wide)
		git_config_from_file(show_config, system_wide, NULL);

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

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

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

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

	if (!value)
		return NULL;

	if (type == T_RAW)
		normalized = xstrdup(value);
	else {
		normalized = xmalloc(64);
		if (type == T_INT) {
			int v = git_config_int(key, value);
			sprintf(normalized, "%d", v);
		}
		else if (type == T_BOOL)
			sprintf(normalized, "%s",
				git_config_bool(key, value) ? "true" : "false");
		else if (type == T_BOOL_OR_INT) {
			int is_bool, v;
			v = git_config_bool_or_int(key, value, &is_bool);
			if (!is_bool)
				sprintf(normalized, "%d", v);
			else
				sprintf(normalized, "%s", v ? "true" : "false");
		}
	}

	return normalized;
}

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

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

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

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

	fputs(parsed_color, stdout);
}

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

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

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

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

int cmd_config(int argc, const char **argv, const char *unused_prefix)
{
	int nongit;
	char *value;
	const char *prefix = setup_git_directory_gently(&nongit);

	config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);

	while (1 < argc) {
		if (!strcmp(argv[1], "--int"))
			type = T_INT;
		else if (!strcmp(argv[1], "--bool"))
			type = T_BOOL;
		else if (!strcmp(argv[1], "--bool-or-int"))
			type = T_BOOL_OR_INT;
		else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
			if (argc != 2)
				usage(git_config_set_usage);
			if (git_config(show_all_config, NULL) < 0) {
				if (config_exclusive_filename)
					die("unable to read config file %s: %s",
					    config_exclusive_filename, strerror(errno));
				else
					die("error processing config file(s)");
			}
			return 0;
		}
		else if (!strcmp(argv[1], "--global")) {
			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 (!strcmp(argv[1], "--system"))
			config_exclusive_filename = git_etc_gitconfig();
		else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
			if (argc < 3)
				usage(git_config_set_usage);
			if (!is_absolute_path(argv[2]) && prefix)
				config_exclusive_filename = prefix_filename(prefix,
									    strlen(prefix),
									    argv[2]);
			else
				config_exclusive_filename = argv[2];
			argc--;
			argv++;
		}
		else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
			term = '\0';
			delim = '\n';
			key_delim = '\n';
		}
		else if (!strcmp(argv[1], "--rename-section")) {
			int ret;
			if (argc != 4)
				usage(git_config_set_usage);
			ret = git_config_rename_section(argv[2], argv[3]);
			if (ret < 0)
				return ret;
			if (ret == 0) {
				fprintf(stderr, "No such section!\n");
				return 1;
			}
			return 0;
		}
		else if (!strcmp(argv[1], "--remove-section")) {
			int ret;
			if (argc != 3)
				usage(git_config_set_usage);
			ret = git_config_rename_section(argv[2], NULL);
			if (ret < 0)
				return ret;
			if (ret == 0) {
				fprintf(stderr, "No such section!\n");
				return 1;
			}
			return 0;
		} else if (!strcmp(argv[1], "--get-color")) {
			if (argc > 4 || argc < 3)
				usage(git_config_set_usage);
			get_color_slot = argv[2];
			get_color(argv[3]);
			return 0;
		} else if (!strcmp(argv[1], "--get-colorbool")) {
			if (argc == 4)
				stdout_is_tty = git_config_bool("command line", argv[3]);
			else if (argc == 3)
				stdout_is_tty = isatty(1);
			else
				usage(git_config_set_usage);
			get_colorbool_slot = argv[2];
			return get_colorbool(argc != 3);
		} else if (!strcmp(argv[1], "--edit") || !strcmp(argv[1], "-e")) {
			if (argc != 2)
				usage(git_config_set_usage);
			git_config(git_default_config, NULL);
			launch_editor(config_exclusive_filename ?
				      config_exclusive_filename : git_path("config"),
				      NULL, NULL);
			return 0;
		} else
			break;
		argc--;
		argv++;
	}

	switch (argc) {
	case 2:
		return get_value(argv[1], NULL);
	case 3:
		if (!strcmp(argv[1], "--unset"))
			return git_config_set(argv[2], NULL);
		else if (!strcmp(argv[1], "--unset-all"))
			return git_config_set_multivar(argv[2], NULL, NULL, 1);
		else if (!strcmp(argv[1], "--get"))
			return get_value(argv[2], NULL);
		else if (!strcmp(argv[1], "--get-all")) {
			do_all = 1;
			return get_value(argv[2], NULL);
		} else if (!strcmp(argv[1], "--get-regexp")) {
			show_keys = 1;
			use_key_regexp = 1;
			do_all = 1;
			return get_value(argv[2], NULL);
		} else {
			value = normalize_value(argv[1], argv[2]);
			return git_config_set(argv[1], value);
		}
	case 4:
		if (!strcmp(argv[1], "--unset"))
			return git_config_set_multivar(argv[2], NULL, argv[3], 0);
		else if (!strcmp(argv[1], "--unset-all"))
			return git_config_set_multivar(argv[2], NULL, argv[3], 1);
		else if (!strcmp(argv[1], "--get"))
			return get_value(argv[2], argv[3]);
		else if (!strcmp(argv[1], "--get-all")) {
			do_all = 1;
			return get_value(argv[2], argv[3]);
		} else if (!strcmp(argv[1], "--get-regexp")) {
			show_keys = 1;
			use_key_regexp = 1;
			do_all = 1;
			return get_value(argv[2], argv[3]);
		} else if (!strcmp(argv[1], "--add")) {
			value = normalize_value(argv[2], argv[3]);
			return git_config_set_multivar(argv[2], value, "^$", 0);
		} else if (!strcmp(argv[1], "--replace-all")) {
			value = normalize_value(argv[2], argv[3]);
			return git_config_set_multivar(argv[2], value, NULL, 1);
		} else {
			value = normalize_value(argv[1], argv[2]);
			return git_config_set_multivar(argv[1], value, argv[3], 0);
		}
	case 5:
		if (!strcmp(argv[1], "--replace-all")) {
			value = normalize_value(argv[2], argv[3]);
			return git_config_set_multivar(argv[2], value, argv[4], 1);
		}
	case 1:
	default:
		usage(git_config_set_usage);
	}
	return 0;
}
Commit	Line	Data
e12c095a	1	#include "builtin.h"
1b1e59c5	2	#include "cache.h"
9ce03522	3	#include "color.h"
1b1e59c5 JS	4
1b1e59c5 JS	5	static const char git_config_set_usage[] =
3bec8ff9	6	"git config [ --global \| --system \| [ -f \| --file ] config-file ] [ --bool \| --int \| --bool-or-int ] [ -z \| --null ] [--get \| --get-all \| --get-regexp \| --replace-all \| --add \| --unset \| --unset-all] name [value [value_regex]] \| --rename-section old_name new_name \| --remove-section name \| --list \| --get-color var [default] \| --get-colorbool name [stdout-is-tty] \| --edit \| -e ]";
4ddba79d	7
96f1e58f DR	8	static char *key;
	9	static regex_t *key_regexp;
	10	static regex_t *regexp;
	11	static int show_keys;
	12	static int use_key_regexp;
	13	static int do_all;
	14	static int do_not_match;
	15	static int seen;
2275d502 FL	16	static char delim = '=';
	17	static char key_delim = ' ';
	18	static char term = '\n';
c35b0b58	19	static enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW;
4ddba79d	20
ef90d6d4	21	static int show_all_config(const char key_, const char value_, void *cb)
de791f15 PB	22	{
de791f15 PB	23	if (value_)
2275d502	24	printf("%s%c%s%c", key_, delim, value_, term);
de791f15	25	else
2275d502	26	printf("%s%c", key_, term);
de791f15 PB	27	return 0;
	28	}
	29
4b951b7e	30	static int show_config(const char key_, const char value_, void *cb)
4ddba79d	31	{
e098c6f8 JH	32	char value[256];
e098c6f8 JH	33	const char *vptr = value;
8f5ff31f	34	int dup_error = 0;
e098c6f8	35
8f5ff31f JS	36	if (!use_key_regexp && strcmp(key_, key))
	37	return 0;
	38	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
	39	return 0;
	40	if (regexp != NULL &&
9e4bbeb9	41	(do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f JS	42	return 0;
8f5ff31f JS	43
b69ba460 FL	44	if (show_keys) {
b69ba460 FL	45	if (value_)
2275d502	46	printf("%s%c", key_, key_delim);
b69ba460 FL	47	else
	48	printf("%s", key_);
	49	}
8f5ff31f JS	50	if (seen && !do_all)
	51	dup_error = 1;
	52	if (type == T_INT)
acb70149	53	sprintf(value, "%d", git_config_int(key_, value_?value_:""));
8f5ff31f JS	54	else if (type == T_BOOL)
8f5ff31f JS	55	vptr = git_config_bool(key_, value_) ? "true" : "false";
c35b0b58 JH	56	else if (type == T_BOOL_OR_INT) {
	57	int is_bool, v;
	58	v = git_config_bool_or_int(key_, value_, &is_bool);
	59	if (is_bool)
	60	vptr = v ? "true" : "false";
	61	else
	62	sprintf(value, "%d", v);
	63	}
8f5ff31f	64	else
acb70149	65	vptr = value_?value_:"";
8f5ff31f JS	66	seen++;
	67	if (dup_error) {
	68	error("More than one value for the key %s: %s",
	69	key_, vptr);
4ddba79d	70	}
8f5ff31f	71	else
2275d502	72	printf("%s%c", vptr, term);
8f5ff31f	73
4ddba79d JS	74	return 0;
	75	}
	76
4b951b7e	77	static int get_value(const char key_, const char regex_)
4ddba79d	78	{
5f1a63e0	79	int ret = -1;
d14f7764	80	char *tl;
5f1a63e0	81	char global = NULL, repo_config = NULL;
32043c9f	82	const char system_wide = NULL, local;
5f1a63e0	83
dc871831	84	local = config_exclusive_filename;
5f1a63e0 JS	85	if (!local) {
5f1a63e0 JS	86	const char *home = getenv("HOME");
a4f34cbb	87	local = repo_config = git_pathdup("config");
ab88c363	88	if (git_config_global() && home)
9befac47	89	global = xstrdup(mkpath("%s/.gitconfig", home));
ab88c363 JK	90	if (git_config_system())
ab88c363 JK	91	system_wide = git_etc_gitconfig();
5f1a63e0	92	}
4ddba79d	93
9befac47	94	key = xstrdup(key_);
d14f7764 LT	95	for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
	96	tl = tolower(tl);
	97	for (tl=key; tl && tl != '.'; ++tl)
	98	tl = tolower(tl);
4ddba79d	99
2fa9a0fb	100	if (use_key_regexp) {
2d7320d0	101	key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb	102	if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8	103	fprintf(stderr, "Invalid key pattern: %s\n", key_);
5f1a63e0	104	goto free_strings;
2fa9a0fb JS	105	}
	106	}
	107
4ddba79d	108	if (regex_) {
f98d863d JS	109	if (regex_[0] == '!') {
	110	do_not_match = 1;
	111	regex_++;
	112	}
	113
2d7320d0	114	regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171	115	if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d	116	fprintf(stderr, "Invalid pattern: %s\n", regex_);
5f1a63e0	117	goto free_strings;
4ddba79d JS	118	}
	119	}
	120
32043c9f	121	if (do_all && system_wide)
ef90d6d4	122	git_config_from_file(show_config, system_wide, NULL);
5f1a63e0	123	if (do_all && global)
ef90d6d4 JS	124	git_config_from_file(show_config, global, NULL);
ef90d6d4 JS	125	git_config_from_file(show_config, local, NULL);
5f1a63e0	126	if (!do_all && !seen && global)
ef90d6d4	127	git_config_from_file(show_config, global, NULL);
32043c9f	128	if (!do_all && !seen && system_wide)
ef90d6d4	129	git_config_from_file(show_config, system_wide, NULL);
5f1a63e0	130
4ddba79d	131	free(key);
0a152171 AW	132	if (regexp) {
	133	regfree(regexp);
	134	free(regexp);
4ddba79d JS	135	}
	136
	137	if (do_all)
5f1a63e0 JS	138	ret = !seen;
5f1a63e0 JS	139	else
dc2613de	140	ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0 JS	141
5f1a63e0 JS	142	free_strings:
4cac42b1 JH	143	free(repo_config);
4cac42b1 JH	144	free(global);
5f1a63e0	145	return ret;
4ddba79d	146	}
1b1e59c5	147
186458b1	148	static char normalize_value(const char key, const char *value)
db1696b8 FL	149	{
	150	char *normalized;
	151
	152	if (!value)
	153	return NULL;
	154
	155	if (type == T_RAW)
	156	normalized = xstrdup(value);
	157	else {
	158	normalized = xmalloc(64);
	159	if (type == T_INT) {
	160	int v = git_config_int(key, value);
	161	sprintf(normalized, "%d", v);
	162	}
	163	else if (type == T_BOOL)
	164	sprintf(normalized, "%s",
	165	git_config_bool(key, value) ? "true" : "false");
c35b0b58 JH	166	else if (type == T_BOOL_OR_INT) {
	167	int is_bool, v;
	168	v = git_config_bool_or_int(key, value, &is_bool);
	169	if (!is_bool)
	170	sprintf(normalized, "%d", v);
	171	else
	172	sprintf(normalized, "%s", v ? "true" : "false");
	173	}
db1696b8 FL	174	}
	175
	176	return normalized;
	177	}
	178
9ce03522 JH	179	static int get_color_found;
9ce03522 JH	180	static const char *get_color_slot;
b408457f	181	static const char *get_colorbool_slot;
9ce03522 JH	182	static char parsed_color[COLOR_MAXLEN];
9ce03522 JH	183
ef90d6d4	184	static int git_get_color_config(const char var, const char value, void *cb)
9ce03522 JH	185	{
9ce03522 JH	186	if (!strcmp(var, get_color_slot)) {
f769982d JH	187	if (!value)
f769982d JH	188	config_error_nonbool(var);
9ce03522 JH	189	color_parse(value, var, parsed_color);
	190	get_color_found = 1;
	191	}
	192	return 0;
	193	}
	194
0e854a28	195	static void get_color(const char *def_color)
9ce03522	196	{
9ce03522 JH	197	get_color_found = 0;
9ce03522 JH	198	parsed_color[0] = '\0';
ef90d6d4	199	git_config(git_get_color_config, NULL);
9ce03522 JH	200
	201	if (!get_color_found && def_color)
	202	color_parse(def_color, "command line", parsed_color);
	203
	204	fputs(parsed_color, stdout);
9ce03522 JH	205	}
9ce03522 JH	206
0f6f5a40 JH	207	static int stdout_is_tty;
0f6f5a40 JH	208	static int get_colorbool_found;
69243c2b	209	static int get_diff_color_found;
ef90d6d4 JS	210	static int git_get_colorbool_config(const char var, const char value,
ef90d6d4 JS	211	void *cb)
0f6f5a40	212	{
b408457f	213	if (!strcmp(var, get_colorbool_slot)) {
0f6f5a40 JH	214	get_colorbool_found =
0f6f5a40 JH	215	git_config_colorbool(var, value, stdout_is_tty);
69243c2b JH	216	}
	217	if (!strcmp(var, "diff.color")) {
	218	get_diff_color_found =
	219	git_config_colorbool(var, value, stdout_is_tty);
	220	}
4d4f5ba3 MK	221	if (!strcmp(var, "color.ui")) {
	222	git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
	223	return 0;
	224	}
0f6f5a40 JH	225	return 0;
	226	}
	227
0e854a28	228	static int get_colorbool(int print)
0f6f5a40	229	{
69243c2b JH	230	get_colorbool_found = -1;
69243c2b JH	231	get_diff_color_found = -1;
ef90d6d4	232	git_config(git_get_colorbool_config, NULL);
0f6f5a40	233
69243c2b	234	if (get_colorbool_found < 0) {
b408457f	235	if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b JH	236	get_colorbool_found = get_diff_color_found;
69243c2b JH	237	if (get_colorbool_found < 0)
4d4f5ba3	238	get_colorbool_found = git_use_color_default;
69243c2b JH	239	}
69243c2b JH	240
0e854a28	241	if (print) {
0f6f5a40 JH	242	printf("%s\n", get_colorbool_found ? "true" : "false");
0f6f5a40 JH	243	return 0;
0e854a28 FC	244	} else
0e854a28 FC	245	return get_colorbool_found ? 0 : 1;
0f6f5a40 JH	246	}
0f6f5a40 JH	247
b408457f	248	int cmd_config(int argc, const char *argv, const char unused_prefix)
1b1e59c5	249	{
af05d679	250	int nongit;
4b951b7e	251	char *value;
b408457f	252	const char *prefix = setup_git_directory_gently(&nongit);
7162dff3	253
dc871831 DB	254	config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
dc871831 DB	255
7162dff3 PB	256	while (1 < argc) {
	257	if (!strcmp(argv[1], "--int"))
	258	type = T_INT;
	259	else if (!strcmp(argv[1], "--bool"))
	260	type = T_BOOL;
c35b0b58 JH	261	else if (!strcmp(argv[1], "--bool-or-int"))
c35b0b58 JH	262	type = T_BOOL_OR_INT;
a72c874e FL	263	else if (!strcmp(argv[1], "--list") \|\| !strcmp(argv[1], "-l")) {
	264	if (argc != 2)
	265	usage(git_config_set_usage);
b408457f FC	266	if (git_config(show_all_config, NULL) < 0) {
	267	if (config_exclusive_filename)
	268	die("unable to read config file %s: %s",
	269	config_exclusive_filename, strerror(errno));
	270	else
	271	die("error processing config file(s)");
	272	}
93a56c2c	273	return 0;
a72c874e	274	}
34eb3340 SE	275	else if (!strcmp(argv[1], "--global")) {
	276	char *home = getenv("HOME");
	277	if (home) {
	278	char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
dc871831	279	config_exclusive_filename = user_config;
34eb3340 SE	280	} else {
	281	die("$HOME not set");
	282	}
32043c9f JS	283	}
32043c9f JS	284	else if (!strcmp(argv[1], "--system"))
dc871831	285	config_exclusive_filename = git_etc_gitconfig();
67d454fe AR	286	else if (!strcmp(argv[1], "--file") \|\| !strcmp(argv[1], "-f")) {
	287	if (argc < 3)
	288	usage(git_config_set_usage);
b408457f FC	289	if (!is_absolute_path(argv[2]) && prefix)
	290	config_exclusive_filename = prefix_filename(prefix,
	291	strlen(prefix),
	292	argv[2]);
1ae14a6b	293	else
b408457f	294	config_exclusive_filename = argv[2];
67d454fe AR	295	argc--;
	296	argv++;
	297	}
2275d502 FL	298	else if (!strcmp(argv[1], "--null") \|\| !strcmp(argv[1], "-z")) {
	299	term = '\0';
	300	delim = '\n';
	301	key_delim = '\n';
	302	}
32043c9f	303	else if (!strcmp(argv[1], "--rename-section")) {
0667fcfb JS	304	int ret;
	305	if (argc != 4)
	306	usage(git_config_set_usage);
	307	ret = git_config_rename_section(argv[2], argv[3]);
	308	if (ret < 0)
	309	return ret;
	310	if (ret == 0) {
	311	fprintf(stderr, "No such section!\n");
	312	return 1;
	313	}
	314	return 0;
32043c9f	315	}
118f8b24 PB	316	else if (!strcmp(argv[1], "--remove-section")) {
	317	int ret;
	318	if (argc != 3)
	319	usage(git_config_set_usage);
	320	ret = git_config_rename_section(argv[2], NULL);
	321	if (ret < 0)
	322	return ret;
	323	if (ret == 0) {
	324	fprintf(stderr, "No such section!\n");
	325	return 1;
	326	}
	327	return 0;
9ce03522	328	} else if (!strcmp(argv[1], "--get-color")) {
0e854a28 FC	329	if (argc > 4 \|\| argc < 3)
	330	usage(git_config_set_usage);
	331	get_color_slot = argv[2];
	332	get_color(argv[3]);
	333	return 0;
0f6f5a40	334	} else if (!strcmp(argv[1], "--get-colorbool")) {
0e854a28 FC	335	if (argc == 4)
	336	stdout_is_tty = git_config_bool("command line", argv[3]);
	337	else if (argc == 3)
	338	stdout_is_tty = isatty(1);
	339	else
	340	usage(git_config_set_usage);
	341	get_colorbool_slot = argv[2];
	342	return get_colorbool(argc != 3);
3bec8ff9	343	} else if (!strcmp(argv[1], "--edit") \|\| !strcmp(argv[1], "-e")) {
3bec8ff9 FC	344	if (argc != 2)
3bec8ff9 FC	345	usage(git_config_set_usage);
3bec8ff9	346	git_config(git_default_config, NULL);
414f2e53 JS	347	launch_editor(config_exclusive_filename ?
	348	config_exclusive_filename : git_path("config"),
	349	NULL, NULL);
3bec8ff9	350	return 0;
9ce03522	351	} else
7162dff3 PB	352	break;
	353	argc--;
	354	argv++;
	355	}
	356
1b1e59c5 JS	357	switch (argc) {
1b1e59c5 JS	358	case 2:
4ddba79d	359	return get_value(argv[1], NULL);
1b1e59c5 JS	360	case 3:
	361	if (!strcmp(argv[1], "--unset"))
	362	return git_config_set(argv[2], NULL);
4ddba79d JS	363	else if (!strcmp(argv[1], "--unset-all"))
	364	return git_config_set_multivar(argv[2], NULL, NULL, 1);
	365	else if (!strcmp(argv[1], "--get"))
	366	return get_value(argv[2], NULL);
	367	else if (!strcmp(argv[1], "--get-all")) {
	368	do_all = 1;
	369	return get_value(argv[2], NULL);
2fa9a0fb JS	370	} else if (!strcmp(argv[1], "--get-regexp")) {
	371	show_keys = 1;
	372	use_key_regexp = 1;
	373	do_all = 1;
	374	return get_value(argv[2], NULL);
db1696b8 FL	375	} else {
	376	value = normalize_value(argv[1], argv[2]);
	377	return git_config_set(argv[1], value);
	378	}
1b1e59c5 JS	379	case 4:
1b1e59c5 JS	380	if (!strcmp(argv[1], "--unset"))
4ddba79d JS	381	return git_config_set_multivar(argv[2], NULL, argv[3], 0);
	382	else if (!strcmp(argv[1], "--unset-all"))
	383	return git_config_set_multivar(argv[2], NULL, argv[3], 1);
	384	else if (!strcmp(argv[1], "--get"))
	385	return get_value(argv[2], argv[3]);
	386	else if (!strcmp(argv[1], "--get-all")) {
	387	do_all = 1;
	388	return get_value(argv[2], argv[3]);
2fa9a0fb JS	389	} else if (!strcmp(argv[1], "--get-regexp")) {
	390	show_keys = 1;
	391	use_key_regexp = 1;
	392	do_all = 1;
	393	return get_value(argv[2], argv[3]);
db1696b8 FL	394	} else if (!strcmp(argv[1], "--add")) {
	395	value = normalize_value(argv[2], argv[3]);
	396	return git_config_set_multivar(argv[2], value, "^$", 0);
	397	} else if (!strcmp(argv[1], "--replace-all")) {
	398	value = normalize_value(argv[2], argv[3]);
	399	return git_config_set_multivar(argv[2], value, NULL, 1);
	400	} else {
	401	value = normalize_value(argv[1], argv[2]);
	402	return git_config_set_multivar(argv[1], value, argv[3], 0);
	403	}
4ddba79d	404	case 5:
db1696b8 FL	405	if (!strcmp(argv[1], "--replace-all")) {
	406	value = normalize_value(argv[2], argv[3]);
	407	return git_config_set_multivar(argv[2], value, argv[4], 1);
	408	}
4ddba79d	409	case 1:
1b1e59c5 JS	410	default:
	411	usage(git_config_set_usage);
	412	}
	413	return 0;
	414	}