post_install() {    
    echo
    echo "If you are upgrading from Kawaii Player v2.9 or earlier, you are advised"
    echo "to backup and then remove the following configuration files:"
    echo "~/.config/kawaii-player/other_options.txt"
    echo "~/.config/kawaii-player/config.txt"
    echo "~/.config/kawaii-player/src/input.conf"
    echo
}

post_upgrade() {
    post_install
}