#!/usr/bin/env bash

# This script assumes that the specified block device can be completely wiped


# exit when any command fails
set -e

disk=$1
mp=$(mktemp -d)

# f3probe the block device for counterfeit flash memory
f3probe --destructive --time-ops $disk

# f3write and f3read need a mounted fs
mkfs.ext4 -D -F -F $disk

mount $disk $mp

f3write $mp

sync

f3read $mp

umount $mp