post_install() {
    echo ">>> You need the retail pak0.pak and pak1.pak in order to play."
    echo ">>>   Copy or symlink them to /opt/quake/id1/"
    echo ">>>"
    echo ">>> For high resolution textures and skins, install the"
    echo ">>>   'quake-qrp-textures' package from the AUR."
}

post_upgrade() {
    post_install $1
}

pre_remove() {
    /bin/true
}

op=$1
shift

$op $*