File strip_signature.sh of Package shim

#!/bin/bash
# attach ascii armored signature to a PE binary
set -e

infile="$1"
if [ -z "$infile" -o ! -e "$infile" ]; then
	echo "USAGE: $0 file.efi"
	exit 1
fi

outfile="${infile%.efi}-unsigned.efi"

pesign -r -i "$infile" -o "$outfile"