#!/bin/sh

# uruk postinst

set -e

case "$1" in
  configure)
    if test -x /etc/init.d/uruk
    then
        update-rc.d uruk start 40 S . stop 89 0 1 6 . >/dev/null
    #
    # Don't call init script on initial install: we have no sane rules anyway.
    # We might want to run "invoke-rc.d uruk stop" in prerm.
    #
    fi

    if test -n "$2"
    then
        # we are called with a second argument, so are upgrading from a prior
        # version: second argument holds prior version
        if test -x /usr/sbin/invoke-rc.d
        then
            invoke-rc.d uruk force-reload || err=$?
        else
            /etc/init.d/uruk force-reload || err=$?
        fi

        # exit code 6 from init script indicates "program is not configured" per
        # LSB. we don't want to disable upgrading an unconfigured uruk.
        if test -n "$err"
        then
            test $err -eq 6 || exit $err
        fi
    fi
    ;;

  failed-upgrade|abort-upgrade|abort-remove|abort-deconfigure|in-favour|removing)
    ;;
  *)
    echo "postinst called with unknown argument \`$1'" >&2
    exit 1
    ;;
esac

if test -x /usr/bin/deb-systemd-helper
then
    # init-system-helpers (priority required since jan 2016) ships
    # deb-systemd-helper

    # was-enabled defaults to true, so new installations run enable.
    if deb-systemd-helper --quiet was-enabled uruk.service; then
        # Enables the unit on first installation, creates new
        # symlinks on upgrades if the unit file has changed.
        deb-systemd-helper enable uruk.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 uruk.service >/dev/null || true
    fi
fi