#!/bin/bash
set -euo pipefail

source \
	/etc/os-release


cat << EOF | tee --append /etc/apt/sources.list.d/${VERSION_CODENAME}.sources &> /dev/null

# ${VERSION_CODENAME^} Backports
Enabled:		yes
Types:			deb deb-src
URIs:			http://deb.debian.org/debian/
Suites:			${VERSION_CODENAME}-backports
Components:		main non-free-firmware contrib
Signed-By:		/usr/share/keyrings/debian-archive-keyring.gpg
EOF

cat << EOF | tee /etc/apt/preferences.d/backports.pref &> /dev/null
Package:		*
Pin:			release	n=${VERSION_CODENAME}*
Pin-Priority:	990

Package:		linux-*
Pin:			release	n=${VERSION_CODENAME}-backports
Pin-Priority:	-1
EOF

if [[ "${VERSION_CODENAME}" == 'bookworm' ]]; then
	cat << EOF | tee --append /etc/apt/preferences.d/backports.pref &> /dev/null

Package: /wayland/
Pin: release n=${VERSION_CODENAME}-backports
Pin-Priority: -1
EOF
fi