#!/bin/sh

echo "~> Going to wipe $blockdevice. Just skip it if you are really sure that the drive is clean."
echo -n "~> Wipe block device? (Y/n) "
read answer

if [ "$answer" == "n" ] || [ "$answer" == "N" ]; then
	amf_return=0
else
	echo -n "~> You sure? (y/N) "
	read answer

	if [ "$answer" == "y" ] || [ "$answer" == "Y" ]; then
		echo "~> OK. Be patient now, that could take some time..."
		dd if=/dev/zero of=$blockdevice status=progress
		amf_return=0
	else
		amf_return=1
	fi
fi