#!/bin/sh
# Enable the unit per preset policy on first install; restart-if-running on
# upgrade. Debian equivalent of the RPM %systemd_post + post_uninstall(upgrade).
set -e

case "$1" in
    configure)
        systemctl daemon-reload >/dev/null 2>&1 || true
        if [ -z "$2" ]; then
            # First install ($2 holds the previously-configured version on upgrade).
            systemctl --no-reload preset leveva.service >/dev/null 2>&1 || true
        else
            systemctl try-restart leveva.service >/dev/null 2>&1 || true
        fi
        ;;
esac

exit 0
