#! /bin/bash

cp . /etc/apt/sources.list
cp ./preferences.d/ /etc/apt/preferences.d/my_preferences
cp -r ./sources.list.d/* /etc/apt/sources.list.d

apt-get update
apt-get install dselect
dpkg --set-selections < "manual_package_save"
apt-get dselect-upgrade
apt-get remove dselect