#!/bin/bash

set -e

UPSTREAM_VERSION=$(dpkg -s din | grep Version | cut -d' ' -f2 | cut -d- -f1)

if ! [ -d "$HOME/.din-$UPSTREAM_VERSION" ]; then
        # move old dir ouf of the way
        if [ -d "$HOME/.din" ]; then
        	rm -fr "$HOME/.din-backup";
                mv "$HOME/.din" "$HOME/.din-backup";
        fi
        # remove old links
	find $HOME -maxdepth 1 -name '.din-[5-9][0-9.]*' -exec rm -rf {} \;
        # create new dir
        mkdir -p "$HOME/.din"
        # copy the data files
        cp -fr /usr/share/din/factory/* $HOME/.din
        # and symlink it
        ln -sf $HOME/.din $HOME/.din-$UPSTREAM_VERSION
fi

exec /usr/bin/din "$@"
