#!/bin/sh
H=/tmp/folheader
echo '#!/bin/sh' > $H
echo D=$@ >> $H
cat >> $H <<'EOF'
if [ ! -d $D ]; then
    mkdir $D
    dwarfs -o offset=auto "$0" $D
else
    fusermount -u $D
    rmdir $D
fi
exit
EOF

mkdwarfs -i . -o "$PWD.sh" --header $H
chmod +x "$PWD.sh"
rm $H