#!/bin/env sh

MESSAGE="{message}"
FILE="{filename}"
EXPECTED_HASH="{filehash}"

if [ "$(sha256sum "$FILE" | awk '{print $1}')" = "$EXPECTED_HASH" ]; then
	printf "File %%s validated with message:\\n%%s" "$FILE" "$MESSAGE"
	exit 0
else
	echo "File $FILE is not valid"
	exit 1
fi