#!/bin/sh -e

handle_start_failure () {
# The nut client part (upsmon) must run in all cases except when MODE in
# /etc/nut/nut.conf is set to "none" or not set at all.
  [ -r /etc/nut/nut.conf ] && . /etc/nut/nut.conf
  if [ -d /run/systemd/system ] && [ "$MODE" = "none" -o -z "$MODE" ]; then
    return 0
  else
    return 1
  fi
}

case "$1" in

  configure)

    # make sure the nut user exists and has correct memberships
    if ! getent group nut >/dev/null; then
      addgroup --quiet --system nut
    fi
    if ! getent passwd nut >/dev/null; then
      adduser --quiet --system --ingroup nut --home /var/lib/nut --no-create-home nut
    elif ! groups nut | grep -qw nut; then
      adduser nut nut
    fi
# for Ubuntu, while waiting for a proper debconf
#    if ! groups nut | grep -qw dialout; then
#	adduser nut dialout
#    fi

    # make sure that conffiles are secured and have the correct ownerships
    # on first install
    if [ -z "$2" ] ; then
        if [ -d /etc/nut/ ] ; then
          chown root:nut /etc/nut/
        fi
        for file in nut.conf upsmon.conf upssched.conf ; do
            if [ -f /etc/nut/$file ] ; then
                chown root:nut /etc/nut/$file
                chmod 640 /etc/nut/$file
            fi
        done
    fi

    # make sure that /run/nut exists and has the correct ownerships
    if [ ! -d /run/nut ] ; then
        mkdir -p /run/nut
    fi
    if [ -d /run/nut ] ; then
        chown root:nut /run/nut
        chmod 770 /run/nut
        if which restorecon >/dev/null 2>&1; then
	    restorecon /run/nut
        fi
    fi
    ;;

  abort-upgrade|abort-remove|abort-deconfigure)
    # do nothing
    ;;

  *)
    echo "$0: incorrect arguments: $*" >&2
    exit 1
    ;;

esac

# Automatically added by dh_installsystemd/13.11.4
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -x "$(command -v systemd-tmpfiles)" ]; then
		systemd-tmpfiles ${DPKG_ROOT:+--root="$DPKG_ROOT"} --create nut-client.conf >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installinit/13.11.4
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "${DPKG_ROOT:-}" ] && [ -x "/etc/init.d/nut-client" ]; then
		update-rc.d nut-client defaults >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d --skip-systemd-native nut-client $_dh_action || handle_start_failure
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.11.4
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 'nut-monitor.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'nut-monitor.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'nut-monitor.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 'nut-monitor.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.11.4
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 'nut.target' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'nut.target'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'nut.target' >/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 'nut.target' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.11.4
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 'nut-monitor.service' 'nut.target' >/dev/null || true
	fi
fi
# End automatically added section


exit 0