#!/bin/sh


if [[ $1 ]]; then
    volume_name=$(echo $1)
else
    echo "Volume name not specified, exiting"
    exit 1
fi

save_path=$([[ $2 ]] && echo $2 || echo "./export")

docker run --rm \
    -v $volume_name:/data \
    -v $save_path:/backup \
    archlinux \
    bash -c "tar -xf /backup/export.tar.gz -C /data && ls /data"