#!/bin/sh

TEMP=$1

if [ -z "$TEMP" ]; then
	echo "Usage: "pad-initrd PATH""
	exit 1
fi

if [ ! -e $TEMP/initrd.gz ]; then
	echo "initrd.gz does not exist at $TEMP"
	exit 1
fi
size=$(wc -c $TEMP/initrd.gz | cut -d " " -f 1)
mod=$(($size % 4))
pad=$((4 - $mod))
if [ $pad -gt 0 ]; then
	tmp=$TEMP/initrd.padding
	dd if=/dev/zero of=$tmp bs=1 count=$pad
	cat $tmp >> $TEMP/initrd.gz
fi

