#!/bin/sh

set -e

WAKEONLAN=wakeonlan
MAC=00:11:22:33:44:55

retval=0

if type $WAKEONLAN > /dev/null 2>&1 ; then
    echo success: Found $WAKEONLAN in PATH
else
    echo error: Failed to find $WAKEONLAN in PATH
    retval=1
fi

t=$(mktemp)

$WAKEONLAN -i 127.0.0.1 $MAC > "$t" 2>&1 || true

if grep -q "Sending magic packet to 127.0.0.1:9 with payload 00:11:22:33:44:55" "$t"
then
    echo success: Calling $WAKEONLAN worked.
else
    echo error: Calling $WAKEONLAN failed.
    cat "$t"
    retval=1
fi

rm "$t"

exit $retval
