#!/bin/sh
if [ "$1" == "-d" ]; then
    shift
    tail -n +11 "$@" | zstd -do "$@"~ &&
    mv "$@"~ "$@"
    chmod +x "$@"
else
    cat > "$@"~ << 'EOF'
#!/bin/sh
dir=`dirname $0`
out=`mktemp -t .zzXXXX`
tail -n +11 $0 | zstd -cd > $out
chmod +x $out
ln -s $out $dir
trap "res=$?" 0 1 2 3 5 10 13 15
$dir/`basename $out` $@
rm $out $dir/`basename $out`
exit $res
EOF
    zstd --ultra -22 "$@"
    rm "$@"
    cat "$@"~ "$@".zst > "$@"
    rm "$@".zst "$@~"
    chmod +x "$@"
fi