#!/bin/bash
set -e

case "$1" in
    remove|purge)
        if [ -e /etc/default/grub ]; then
            if grep -q nakedeb.tga /etc/default/grub; then
                echo "INFO: restoring Debian GRUB config"
                sed -i '/nakedeb.tga/d' /etc/default/grub
                update-grub
            fi
        fi
        if [ -e /etc/dpkg/origins/debian ]; then
            echo "INFO: restoring Debian OS config"
            ln -sf /etc/dpkg/origins/debian /etc/dpkg/origins/default
        fi
        if [ -e /usr/lib/os-release ]; then
            ln -sf /usr/lib/os-release /etc/os-release
        fi
        if [ -e /etc/motd-debian ]; then
            mv /etc/motd-debian /etc/motd
        fi
        ;;
    upgrade|failed-upgrade|abort-install)
        ;;
    *)
        echo "postrm called with unknown argument \`$1'" >&2
        exit 1
        ;;
esac

exit 0
