#!/usr/bin/env bash

set -e

sed -i -e's/ main/ main contrib non-free non-free-firmware/g' /etc/apt/sources.list.d/debian.sources
sed -i -e's/ bookworm-updates/ bookworm-updates sid/g' /etc/apt/sources.list.d/debian.sources

# default priority is 500, so we set unstable to 450 to prefer stable packages
cat > /etc/apt/preferences.d/preferences << EOL
Package: *
Pin: release a=unstable
Pin-Priority: 450
EOL