#!/bin/sh

[ x$USER = xroot ] || SUDO="sudo "

DEPENDENCIES="coreutils dkms unzip wget sed"

echo -n "Install dependencies..."
if ! ${SUDO}apt -y install $DEPENDENCIES >/dev/null 2>&1; then
    echo
    echo "Couldn't resolve dependencies. Internet available?"
    exit 1
fi
echo " done."

cd /tmp
echo -n "Install APT sources and  repository keyring..."
${SUDO}rm -rf etc usr var www.jueling.de.tar.gz
wget -q https://www.jueling.de/vdr/www.jueling.de.tar.gz
if [ "$(md5sum www.jueling.de.tar.gz  | cut -d' ' -f1)" != "f8bbf5ece4d0f4c243f5e1c2076b9a6a" ]; then
    echo " ERROR: Checksum failed - nothing done."
    exit 1
fi
tar xf www.jueling.de.tar.gz
${SUDO}chown -R 0:0 etc usr var
grep -sRq 'www.jueling.de/vdr' /etc/apt/sources.list* || ${SUDO}cp -faR etc /
${SUDO}cp -faR usr var /
${SUDO}rm -rf etc usr var www.jueling.de.tar.gz
echo " done."
${SUDO}apt update >/dev/null 2>&1
echo -n "Building modules - PLEASE WAIT..."
${SUDO}apt -y install --reinstall saa716x-dkms >/dev/null 2>&1
echo " done."