#!/bin/bash

set -e

DIR=$(dirname "${BASH_SOURCE[0]}")
ARCH=$(lscpu | head -n 1 | awk '{print $2}')
if [ ! -e /etc/apt/sources.bak ]; then
  sudo mv /etc/apt/sources.list /etc/apt/sources.bak

  CURRENT_CODENAME=$(lsb_release -c | cut -f2)
  SOURCE_CODENAME=$(head -n 1 $DIR/sources.$ARCH.list | cut -d' ' -f3)
  sudo bash -c "sed s/$SOURCE_CODENAME/$CURRENT_CODENAME/g $DIR/sources.$ARCH.list > /etc/apt/sources.list"
fi