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

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

static const char git_config_set_usage[] =
"git-config [ --global | --system | [ -f | --file ] config-file ] [ --bool | --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";

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 } type = T_RAW;

static int show_all_config(const char *key_, const char *value_)
{
	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_)
{
	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
		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 = getenv(CONFIG_ENVIRONMENT);
	if (!local) {
		const char *home = getenv("HOME");
		local = getenv(CONFIG_LOCAL_ENVIRONMENT);
		if (!local)
			local = repo_config = xstrdup(git_path("config"));
		if (home)
			global = xstrdup(mkpath("%s/.gitconfig", home));
		system_wide = 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);
	if (do_all && global)
		git_config_from_file(show_config, global);
	git_config_from_file(show_config, local);
	if (!do_all && !seen && global)
		git_config_from_file(show_config, global);
	if (!do_all && !seen && system_wide)
		git_config_from_file(show_config, system_wide);

	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;
}

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");
	}

	return normalized;
}

int cmd_config(int argc, const char **argv, const char *prefix)
{
	int nongit = 0;
	char* value;
	const char *file = setup_git_directory_gently(&nongit);

	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], "--list") || !strcmp(argv[1], "-l")) {
			if (argc != 2)
				usage(git_config_set_usage);
			if (git_config(show_all_config) < 0 && file && errno)
				die("unable to read config file %s: %s", file,
				    strerror(errno));
			return 0;
		}
		else if (!strcmp(argv[1], "--global")) {
			char *home = getenv("HOME");
			if (home) {
				char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
				setenv(CONFIG_ENVIRONMENT, user_config, 1);
				free(user_config);
			} else {
				die("$HOME not set");
			}
		}
		else if (!strcmp(argv[1], "--system"))
			setenv(CONFIG_ENVIRONMENT, ETC_GITCONFIG, 1);
		else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
			if (argc < 3)
				usage(git_config_set_usage);
			if (!is_absolute_path(argv[2]) && file)
				file = prefix_filename(file, strlen(file),
						       argv[2]);
			else
				file = argv[2];
			setenv(CONFIG_ENVIRONMENT, file, 1);
			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
			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 JS	2	#include "cache.h"
	3
	4	static const char git_config_set_usage[] =
67d454fe	5	"git-config [ --global \| --system \| [ -f \| --file ] config-file ] [ --bool \| --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";
4ddba79d	6
96f1e58f DR	7	static char *key;
	8	static regex_t *key_regexp;
	9	static regex_t *regexp;
	10	static int show_keys;
	11	static int use_key_regexp;
	12	static int do_all;
	13	static int do_not_match;
	14	static int seen;
2275d502 FL	15	static char delim = '=';
	16	static char key_delim = ' ';
	17	static char term = '\n';
7162dff3	18	static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
4ddba79d	19
de791f15 PB	20	static int show_all_config(const char key_, const char value_)
	21	{
	22	if (value_)
2275d502	23	printf("%s%c%s%c", key_, delim, value_, term);
de791f15	24	else
2275d502	25	printf("%s%c", key_, term);
de791f15 PB	26	return 0;
	27	}
	28
4ddba79d JS	29	static int show_config(const char* key_, const char* value_)
4ddba79d JS	30	{
e098c6f8 JH	31	char value[256];
e098c6f8 JH	32	const char *vptr = value;
8f5ff31f	33	int dup_error = 0;
e098c6f8	34
8f5ff31f JS	35	if (!use_key_regexp && strcmp(key_, key))
	36	return 0;
	37	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
	38	return 0;
	39	if (regexp != NULL &&
f98d863d	40	(do_not_match ^
acb70149	41	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)
	55	vptr = git_config_bool(key_, value_) ? "true" : "false";
	56	else
acb70149	57	vptr = value_?value_:"";
8f5ff31f JS	58	seen++;
	59	if (dup_error) {
	60	error("More than one value for the key %s: %s",
	61	key_, vptr);
4ddba79d	62	}
8f5ff31f	63	else
2275d502	64	printf("%s%c", vptr, term);
8f5ff31f	65
4ddba79d JS	66	return 0;
	67	}
	68
	69	static int get_value(const char* key_, const char* regex_)
	70	{
5f1a63e0	71	int ret = -1;
d14f7764	72	char *tl;
5f1a63e0	73	char global = NULL, repo_config = NULL;
32043c9f	74	const char system_wide = NULL, local;
5f1a63e0	75
d4ebc36c	76	local = getenv(CONFIG_ENVIRONMENT);
5f1a63e0 JS	77	if (!local) {
5f1a63e0 JS	78	const char *home = getenv("HOME");
d4ebc36c	79	local = getenv(CONFIG_LOCAL_ENVIRONMENT);
5f1a63e0	80	if (!local)
9befac47	81	local = repo_config = xstrdup(git_path("config"));
5f1a63e0	82	if (home)
9befac47	83	global = xstrdup(mkpath("%s/.gitconfig", home));
32043c9f	84	system_wide = ETC_GITCONFIG;
5f1a63e0	85	}
4ddba79d	86
9befac47	87	key = xstrdup(key_);
d14f7764 LT	88	for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
	89	tl = tolower(tl);
	90	for (tl=key; tl && tl != '.'; ++tl)
	91	tl = tolower(tl);
4ddba79d	92
2fa9a0fb	93	if (use_key_regexp) {
2d7320d0	94	key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb	95	if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8	96	fprintf(stderr, "Invalid key pattern: %s\n", key_);
5f1a63e0	97	goto free_strings;
2fa9a0fb JS	98	}
	99	}
	100
4ddba79d	101	if (regex_) {
f98d863d JS	102	if (regex_[0] == '!') {
	103	do_not_match = 1;
	104	regex_++;
	105	}
	106
2d7320d0	107	regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171	108	if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d	109	fprintf(stderr, "Invalid pattern: %s\n", regex_);
5f1a63e0	110	goto free_strings;
4ddba79d JS	111	}
	112	}
	113
32043c9f JS	114	if (do_all && system_wide)
32043c9f JS	115	git_config_from_file(show_config, system_wide);
5f1a63e0 JS	116	if (do_all && global)
	117	git_config_from_file(show_config, global);
	118	git_config_from_file(show_config, local);
	119	if (!do_all && !seen && global)
	120	git_config_from_file(show_config, global);
32043c9f JS	121	if (!do_all && !seen && system_wide)
32043c9f JS	122	git_config_from_file(show_config, system_wide);
5f1a63e0	123
4ddba79d	124	free(key);
0a152171 AW	125	if (regexp) {
	126	regfree(regexp);
	127	free(regexp);
4ddba79d JS	128	}
	129
	130	if (do_all)
5f1a63e0 JS	131	ret = !seen;
5f1a63e0 JS	132	else
dc2613de	133	ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0 JS	134
5f1a63e0 JS	135	free_strings:
4cac42b1 JH	136	free(repo_config);
4cac42b1 JH	137	free(global);
5f1a63e0	138	return ret;
4ddba79d	139	}
1b1e59c5	140
db1696b8 FL	141	char normalize_value(const char key, const char *value)
	142	{
	143	char *normalized;
	144
	145	if (!value)
	146	return NULL;
	147
	148	if (type == T_RAW)
	149	normalized = xstrdup(value);
	150	else {
	151	normalized = xmalloc(64);
	152	if (type == T_INT) {
	153	int v = git_config_int(key, value);
	154	sprintf(normalized, "%d", v);
	155	}
	156	else if (type == T_BOOL)
	157	sprintf(normalized, "%s",
	158	git_config_bool(key, value) ? "true" : "false");
	159	}
	160
	161	return normalized;
	162	}
	163
e0d10e1c	164	int cmd_config(int argc, const char *argv, const char prefix)
1b1e59c5	165	{
4d599e6b	166	int nongit = 0;
db1696b8	167	char* value;
1ae14a6b	168	const char *file = setup_git_directory_gently(&nongit);
7162dff3 PB	169
	170	while (1 < argc) {
	171	if (!strcmp(argv[1], "--int"))
	172	type = T_INT;
	173	else if (!strcmp(argv[1], "--bool"))
	174	type = T_BOOL;
a72c874e FL	175	else if (!strcmp(argv[1], "--list") \|\| !strcmp(argv[1], "-l")) {
	176	if (argc != 2)
	177	usage(git_config_set_usage);
93a56c2c GP	178	if (git_config(show_all_config) < 0 && file && errno)
	179	die("unable to read config file %s: %s", file,
	180	strerror(errno));
	181	return 0;
a72c874e	182	}
34eb3340 SE	183	else if (!strcmp(argv[1], "--global")) {
	184	char *home = getenv("HOME");
	185	if (home) {
	186	char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
7627943a	187	setenv(CONFIG_ENVIRONMENT, user_config, 1);
34eb3340 SE	188	free(user_config);
	189	} else {
	190	die("$HOME not set");
	191	}
32043c9f JS	192	}
32043c9f JS	193	else if (!strcmp(argv[1], "--system"))
7627943a	194	setenv(CONFIG_ENVIRONMENT, ETC_GITCONFIG, 1);
67d454fe AR	195	else if (!strcmp(argv[1], "--file") \|\| !strcmp(argv[1], "-f")) {
	196	if (argc < 3)
	197	usage(git_config_set_usage);
1ae14a6b GP	198	if (!is_absolute_path(argv[2]) && file)
	199	file = prefix_filename(file, strlen(file),
	200	argv[2]);
	201	else
	202	file = argv[2];
	203	setenv(CONFIG_ENVIRONMENT, file, 1);
67d454fe AR	204	argc--;
	205	argv++;
	206	}
2275d502 FL	207	else if (!strcmp(argv[1], "--null") \|\| !strcmp(argv[1], "-z")) {
	208	term = '\0';
	209	delim = '\n';
	210	key_delim = '\n';
	211	}
32043c9f	212	else if (!strcmp(argv[1], "--rename-section")) {
0667fcfb JS	213	int ret;
	214	if (argc != 4)
	215	usage(git_config_set_usage);
	216	ret = git_config_rename_section(argv[2], argv[3]);
	217	if (ret < 0)
	218	return ret;
	219	if (ret == 0) {
	220	fprintf(stderr, "No such section!\n");
	221	return 1;
	222	}
	223	return 0;
32043c9f	224	}
118f8b24 PB	225	else if (!strcmp(argv[1], "--remove-section")) {
	226	int ret;
	227	if (argc != 3)
	228	usage(git_config_set_usage);
	229	ret = git_config_rename_section(argv[2], NULL);
	230	if (ret < 0)
	231	return ret;
	232	if (ret == 0) {
	233	fprintf(stderr, "No such section!\n");
	234	return 1;
	235	}
	236	return 0;
	237	}
32043c9f	238	else
7162dff3 PB	239	break;
	240	argc--;
	241	argv++;
	242	}
	243
1b1e59c5 JS	244	switch (argc) {
1b1e59c5 JS	245	case 2:
4ddba79d	246	return get_value(argv[1], NULL);
1b1e59c5 JS	247	case 3:
	248	if (!strcmp(argv[1], "--unset"))
	249	return git_config_set(argv[2], NULL);
4ddba79d JS	250	else if (!strcmp(argv[1], "--unset-all"))
	251	return git_config_set_multivar(argv[2], NULL, NULL, 1);
	252	else if (!strcmp(argv[1], "--get"))
	253	return get_value(argv[2], NULL);
	254	else if (!strcmp(argv[1], "--get-all")) {
	255	do_all = 1;
	256	return get_value(argv[2], NULL);
2fa9a0fb JS	257	} else if (!strcmp(argv[1], "--get-regexp")) {
	258	show_keys = 1;
	259	use_key_regexp = 1;
	260	do_all = 1;
	261	return get_value(argv[2], NULL);
db1696b8 FL	262	} else {
	263	value = normalize_value(argv[1], argv[2]);
	264	return git_config_set(argv[1], value);
	265	}
1b1e59c5 JS	266	case 4:
1b1e59c5 JS	267	if (!strcmp(argv[1], "--unset"))
4ddba79d JS	268	return git_config_set_multivar(argv[2], NULL, argv[3], 0);
	269	else if (!strcmp(argv[1], "--unset-all"))
	270	return git_config_set_multivar(argv[2], NULL, argv[3], 1);
	271	else if (!strcmp(argv[1], "--get"))
	272	return get_value(argv[2], argv[3]);
	273	else if (!strcmp(argv[1], "--get-all")) {
	274	do_all = 1;
	275	return get_value(argv[2], argv[3]);
2fa9a0fb JS	276	} else if (!strcmp(argv[1], "--get-regexp")) {
	277	show_keys = 1;
	278	use_key_regexp = 1;
	279	do_all = 1;
	280	return get_value(argv[2], argv[3]);
db1696b8 FL	281	} else if (!strcmp(argv[1], "--add")) {
	282	value = normalize_value(argv[2], argv[3]);
	283	return git_config_set_multivar(argv[2], value, "^$", 0);
	284	} else if (!strcmp(argv[1], "--replace-all")) {
	285	value = normalize_value(argv[2], argv[3]);
	286	return git_config_set_multivar(argv[2], value, NULL, 1);
	287	} else {
	288	value = normalize_value(argv[1], argv[2]);
	289	return git_config_set_multivar(argv[1], value, argv[3], 0);
	290	}
4ddba79d	291	case 5:
db1696b8 FL	292	if (!strcmp(argv[1], "--replace-all")) {
	293	value = normalize_value(argv[2], argv[3]);
	294	return git_config_set_multivar(argv[2], value, argv[4], 1);
	295	}
4ddba79d	296	case 1:
1b1e59c5 JS	297	default:
	298	usage(git_config_set_usage);
	299	}
	300	return 0;
	301	}