post_install() {
    /usr/share/slim/themes/hyperbola/setup.sh
    sed -i 's/^current_theme.*/current_theme       hyperbola/' /etc/slim.conf
}

post_upgrade() {
    post_install
}

post_remove() {
    sed -i 's/^current_theme.*/current_theme       default/' /etc/slim.conf
}