#! /bin/sh
#

if [ -f .env ]
then
  set -o allexport;
  . ./.env;
  set +o allexport
else
  echo Missing .env file
  exit 1  
fi

docker_volumes_path=/home/${MOUNT_USER}/.docker-data/volumes # volume_path=/var/lib/docker/volumes
volume_src_path=${docker_volumes_path}/${DOCKER_PREFIX}-web/_data
volume_dest_path=${PWD}/volume

if [ ! -d ./volume ]
then
    sudo -u ${MOUNT_USER} mkdir volume
fi

if [ -d ./volume ]
then
  if [ ! "$(ls -A ./volume)" ]
  then
    /usr/bin/bindfs \
      --force-user=${MOUNT_USER} \
      --force-group=${MOUNT_USER} \
      --create-for-user=www-data \
      --create-for-group=www-data \
      ${volume_src_path} \
      ${volume_dest_path}
  else
      echo ./volume is not empty
      exit 1
  fi
else
  echo ./volume does not exist
  exit 1
fi