Chrooting into an encrypted disk

chroot.sh

#!/usr/bin/env bash

set -e

DISK_ENCRYPTED=/dev/sda2
DISK_BOOT=/dev/sda1
VG_NAME=cryptVG

echo 'chrooting'
lsblk
cryptsetup open $DISK_ENCRYPTED root
ls -la /dev/mapper/
ls -la /dev/mapper/root 
mkdir --parents /mnt/arch
pacman -Syy
pacman -S gnome-disk-utility lvm2
modprobe dm-mod
lsmod | grep dm_crypt
vgscan
vgchange -ay $VG_NAME
ls /dev/mapper/
mount /dev/mapper/$VG_NAME-root /mnt/arch/
mount $DISK_BOOT /mnt/arch/boot/
cd /mnt/arch
mount -t proc proc proc/
mount --rbind /sys sys/
mount --rbind /dev dev/
cp /etc/resolv.conf etc/resolv.conf
chroot /mnt/arch /bin/bash