fix wol

hosts/fw.cloonar.com/configuration.nix

@@ -23,7 +23,7 @@
     ./modules/podman.nix
     ./modules/omada.nix
     ./modules/ddclient.nix
-    -/modules/wol.nix
+    ./modules/wol.nix
 
     # git
     ./modules/gitea.nix

hosts/fw.cloonar.com/modules/wol.nix

@@ -1,16 +1,10 @@
 { pkgs, ... }:
 let
-  wolScript = stdenv.mkDerivation {
-    name = "wol-script";
-    outputHashMode = "recursive";
-    outputHashAlgo = "sha256";
-    outputHash = sha256;
-    builder = writeShellScript "wol-lease" ''
+  wolScript = pkgs.writeScriptBin "wol-script" ''
     IP=$(cat /var/lib/kea/dhcp4.leases | grep $1 | awk -F, '{print $1}' | tail -n 1);
     MAC=$(cat /var/lib/kea/dhcp4.leases | grep $1 | awk -F, '{print $2}' | tail -n 1);
     ${pkgs.wol}/bin/wol -i $IP $MAC
   '';
-  };
 in
 {
   environment.systemPackages = [