post_install() {
  systemd-sysusers sickrage.conf
  systemd-tmpfiles --create sickgear.conf
  mkdir /opt/sickrage || return 1
  chown -R sickrage:sickrage /opt/sickrage || return 1
  sudo -u sickrage virtualenv2 /opt/sickrage || return 1
  sudo -u sickrage /opt/sickrage/bin/pip2 install sickrage lxml pyopenssl || return 1
  echo "==> Start and enable sickrage.service. Then visit http://localhost:8081/"
}

post_upgrade() {
  if [ -d /opt/sickrage ]; then
    sudo -u sickrage /opt/sickrage/bin/pip2 install --upgrade sickrage lxml pyopenssl || return 1
  else
    post_install $1
  fi
}

post_remove() {
  if [ -d /opt/sickrage ]; then
    sudo -u sickrage /opt/sickrage/bin/pip2 uninstall --yes $(/opt/sickrage/bin/pip2 list | awk '{ print $1 }') || return 1
    systemctl --quiet is-active sickrage.service
    if [ $? -eq 0 ]; then
      systemctl stop sickrage.service
    fi
    sudo -u sickrage virtualenv2 --clear --no-download --no-wheel --no-pip /opt/sickrage || return 1
  fi

  echo "==> Some files in /opt/sickrage may not have been removed."

  # Do not delete the 'sickrage' user automatically. It may still own files.
  # If 'sickrage' is the only user in group 'sickrage', then the group will also be deleted.
  echo "==> To delete the 'sickrage' user, run as root: userdel --force sickrage"
}