#!/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")

mkdir -p $save_path

echo "
=> Exporting...
"

docker run --rm \
    -v $volume_name:/data \
    -v $save_path:/backup \
    archlinux \
    tar -czf /backup/export.tar.gz -C /data ./