hostarch=`arch`
if [ $hostarch = arm64 ]; then
        arch=arm64
else
        arch=amd64
fi
#arch=arm64
#arch=amd64

while [ $# -gt 0 ]; do
        arg=$1
        case $arg in
                arm)
                        arch=arm64
                        ;;
                x86)
                        arch=amd64
                        ;;
                *)
                        echo ignored arg: $arg
                        ;;
        esac
        shift
done