#!/bin/sh PREREQ="" prereqs() { echo "$PREREQ" } case $1 in # get pre-requisites prereqs) prereqs exit 0 ;; esac # shellcheck disable=SC2013 if [ -d /sys/firmware/efi/efivars ]; then mount -t efivarfs -o rw,nosuid,nodev,noexec,relatime efivarfs /sys/firmware/efi/efivars fi