#!/bin/sh
# vim: set sw=4 ts=4 sts=4 et :

DATAPART=$(awk '$2=="/var"{print $1}' /etc/fstab)

dev=$(findfs "${DATAPART}")
if [ -z "${dev}" ]; then
    printf 'Could not find data partition (%s)\n' "${DATAPART}" >&2
    exit 1
fi
wipefs -fa "${dev}"