nixos/gancio: exec into configured user with cli

        mkdir -p $out/bin

        echo '#!${pkgs.runtimeShell}

        cd /var/lib/gancio/

        exec ${lib.getExe cfg.package} ''${1:--help}

        sudo=exec

        if [[ "$USER" != ${cfg.user} ]]; then

          sudo="exec /run/wrappers/bin/sudo -u ${cfg.user}"

        fi

        $sudo ${lib.getExe cfg.package} ''${1:--help}

        ' > $out/bin/gancio

        chmod +x $out/bin/gancio

      '')