nixos/deconz: delay signalling service readiness until it's actually up

        # be garbage collected. Ensure the file gets "refreshed" on every start.

        rm -f ${stateDir}/.local/share/dresden-elektronik/deCONZ/zcldb.txt

      '';

      postStart = ''

        # Delay signalling service readiness until it's actually up.

        while ! "${lib.getExe pkgs.curl}" -sSfl -o /dev/null "http://${cfg.listenAddress}:${toString cfg.httpPort}"; do

            echo "Waiting for TCP port ${toString cfg.httpPort} to be open..."

            sleep 1

        done

      '';

      environment = {

        HOME = stateDir;

        XDG_RUNTIME_DIR = "/run/${name}";