#!/bin/sh ls /sys/firmware/efi/efivars 2>/tmp/arch-maride-flavour_checks_uefi_error.log 1>/tmp/arch-maride-flavour_checks_uefi_out.log return=$? if [ "$return" -eq 0 ]; then exit 0 else echo "~> This doesn't seem to be an UEFI boot. Please boot UEFI." exit 1 fi