rancherOS/scripts/package-initrd

#!/bin/bash
set -e

cd $(dirname $0)/..

BUILD=$(pwd)/build
INITRD_DIR=${BUILD}/initrd
ARTIFACTS=$(pwd)/dist/artifacts
INITRD=${ARTIFACTS}/initrd

mkdir -p ${ARTIFACTS}

if [ ! -f ${ARTIFACTS}/vmlinuz ]; then
    exit 0
fi

if [ "$COMPRESS" == "" ]; then
    COMPRESS="gzip -1"
fi

cd ${INITRD_DIR}

echo Creating ${INITRD}
find | cpio -H newc -o | ${COMPRESS} > ${INITRD}
echo Done creating ${INITRD}