static int option_parse_unpack_unreachable(const struct option *opt,
					   const char *arg, int unset)
{
	if (unset) {
		unpack_unreachable = 0;
		unpack_unreachable_expiration = 0;
	}
	else {
		unpack_unreachable = 1;
		if (arg)
			unpack_unreachable_expiration = approxidate(arg);
	}
	return 0;
}
static int option_parse_unpack_unreachable(const struct option *opt,
					   const char *arg, int unset)
{
	if (unset) {
		unpack_unreachable = 0;
		unpack_unreachable_expiration = 0;
	}
	else {
		unpack_unreachable = 1;
		if (arg)
			unpack_unreachable_expiration = approxidate(arg);
	}
	return 0;
}