#!/bin/bash
# This script appends LUKS keys and config to initrd
set -euo pipefail

initrd=$1
tmpdir=$2

# Appending LUKS root keys and crypttab config to the end of initrd
cd ${tmpdir}
mkdir -p etc/luks
cp -f /etc/luks/* etc/luks/
cp -f /etc/crypttab etc/
find . -mindepth 1 | cpio --quiet -H newc -o | gzip -9 -n >> ${initrd}

# Cleanup
rm -rf etc/