#!/bin/sh -e

create_systemd_units() {
  # Enable the extra instances on new installs and on upgrades from
  # pre-systemd versions.
  if [ "$2" ] && dpkg --compare-versions $2 ge 0.999~20180516-1; then
    return
  fi

  [ -e /etc/default/rbldnsd ] || return 0
  . /etc/default/rbldnsd

  local list="$(echo "$RBLDNSD" | egrep '^[A-Za-z0-9]+ ' | sed -re 's/ .+//')"

  for instance in $list; do
    echo "Enabling instance $instance."
    [ -e /etc/systemd/system/multi-user.target.wants/rbldnsd@${instance}.service ] || \
    ln -s /lib/systemd/system/rbldnsd@.service /etc/systemd/system/multi-user.target.wants/rbldnsd@${instance}.service
    invoke-rc.d rbldnsd@${instance} start
  done

  return
}

create_user() {
  if getent passwd rbldns >/dev/null; then
    return
  fi
  adduser --system --group --home /var/lib/rbldns --no-create-home rbldns
  mkdir -p -m0755 /var/lib/rbldns
}

case "$1" in
    configure)
	create_user
	create_systemd_units "$@"
    ;;
esac

# Automatically added by dh_installsysusers/13.15.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
   systemd-sysusers ${DPKG_ROOT:+--root="$DPKG_ROOT"} rbldnsd.conf
fi
# End automatically added section
# Automatically added by dh_installinit/13.15.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "${DPKG_ROOT:-}" ] && [ -x "/etc/init.d/rbldnsd" ]; then
		update-rc.d rbldnsd defaults >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d --skip-systemd-native rbldnsd $_dh_action || exit 1
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.15.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# The following line should be removed in trixie or trixie+1
	deb-systemd-helper unmask 'rbldnsd.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'rbldnsd.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'rbldnsd.service' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'rbldnsd.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.15.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# The following line should be removed in trixie or trixie+1
	deb-systemd-helper unmask 'rbldnsd.socket' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'rbldnsd.socket'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'rbldnsd.socket' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'rbldnsd.socket' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.15.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'rbldnsd.service' 'rbldnsd.socket' >/dev/null || true
	fi
fi
# End automatically added section