#!/bin/bash
set -ex

cd $(dirname $0)/..

IMAGES=$(bin/host_ros c images -i build/initrd/usr/share/ros/os-config.yml)
echo "tar-image: IMAGES=$IMAGES"
for i in $IMAGES; do
    echo "tar-image: pull($i)"
    if [ "${FORCE_PULL}" = "1" ] || ! docker inspect $i >/dev/null 2>&1; then
        docker pull $i
    fi
done

if [ -e ".make-vmware" ]; then
    docker pull rancher/os-openvmtools:${OPEN_VMTOOLS_VERSION}
    IMAGES="$IMAGES rancher/os-openvmtools:${OPEN_VMTOOLS_VERSION}"
fi

echo "tar-images: docker save ${IMAGES}"
if [ "$COMPRESS" == "" ]; then
    docker save ${IMAGES} | gzip > build/images.tar
else
    # system-docker can not load images which compressed by xz with a compression level of 9
    # decompression consumes more memory if using level 9
    # the default compression level for xz is 6
    docker save ${IMAGES} | xz -6 -e > build/images.tar
fi
echo "tar-images: DONE"