mkarchroot: create a minimal /dev instead of using the one of the host

	mount -t proc proc "${working_dir}/proc"

	[ -e "${working_dir}/dev" ] || mkdir "${working_dir}/dev"

	mount -o bind /dev "${working_dir}/dev"

	mount -t tmpfs dev "${working_dir}/dev" -o mode=0755,size=10M,nosuid

	mknod -m 666 "${working_dir}/dev/null" c 1 3

	mknod -m 666 "${working_dir}/dev/zero" c 1 5

	mknod -m 600 "${working_dir}/dev/console" c 5 1

	mknod -m 644 "${working_dir}/dev/random" c 1 8

	mknod -m 644 "${working_dir}/dev/urandom" c 1 9

	ln -s /proc/kcore "${working_dir}/dev/core"

	ln -s /proc/self/fd "${working_dir}/dev/fd"

	ln -s /proc/self/fd/0 "${working_dir}/dev/stdin"

	ln -s /proc/self/fd/1 "${working_dir}/dev/stdout"

	ln -s /proc/self/fd/2 "${working_dir}/dev/stderr"

	[ -e "${working_dir}/dev/shm" ] || mkdir "${working_dir}/dev/shm"

	mount -t tmpfs shm "${working_dir}/dev/shm"

	mount -t tmpfs shm "${working_dir}/dev/shm" -o nodev,nosuid,size=128M

	[ -e "${working_dir}/dev/pts" ] || mkdir "${working_dir}/dev/pts"

	mount -t devpts devpts "${working_dir}/dev/pts"

	mount -t devpts devpts "${working_dir}/dev/pts" -o newinstance,ptmxmode=666

	ln -s pts/ptmx "${working_dir}/dev/ptmx"

	[ -e "${cache_dir}" ] || mkdir -p "${cache_dir}"

	[ -e "${working_dir}/${cache_dir}" ] || mkdir -p "${working_dir}/${cache_dir}"

		mount -o remount,ro,bind "${host_mirror_path}" "${working_dir}/${host_mirror_path}"

	fi

	trap 'chroot_umount' 0 1 2 15

	trap 'chroot_umount' EXIT INT QUIT TERM HUP

}

copy_hostconf () {