#!/bin/bash
set -e

# THE RAINBOW HAHAHAH
RED='\e[31m'
GREEN='\e[32m'
YELLOW='\e[33m'
RESET='\e[0m'

# root check
if [[ $EUID -ne 0 ]]; then
    echo -e "${RED}You must be root to do this." 1>&2
    exit 100
fi

echo "Converting to IMG"
qemu-img convert -f qcow2 -O raw PBX.qcow2 PBX.img

losetup -fP PBX.img
loop_device=$(losetup -l | grep "PBX.img" | cut -d ' ' -f1)
echo $loop_device

vgchange -a y PBX-vg
lvreduce -L 14G -r PBX-vg/root
lvreduce -L 976M PBX-vg/swap_1

sgdisk --delete=3 $loop_device
sgdisk --new=3:+0:+15G --typecode=3:8e00 --change-name=3:"Linux LVM" $loop_device
vgchange -a n PBX-vg

dd if=/dev/loop0p3 bs=64M conv=sync status=progress | lz4 -z > ./PBX3.img.lz4

losetup -D