Compatibility with the new NixOS version

desktop.nix

@@ -53,7 +53,7 @@ in {
 
   hardware.bluetooth = {
     enable = true;
-    config = {
+    settings = {
       General = {
         Enable = "Source,Sink,Media,Socket";
       };
@@ -73,7 +73,7 @@ in {
   };
 
   fonts = {
-    enableFontDir = true;
+    fontDir.enable = true;
     enableGhostscriptFonts = true;
     fonts = with pkgs; [
       ubuntu_font_family

networking.nix

@@ -12,6 +12,7 @@ in {
   networking.usePredictableInterfaceNames = false;
 
   networking.wireless.enable = true;
+  networking.wireless.interfaces = [ "wlan0" ];
   imports = [ ./wireless-networks.nix ];
 
   networking.extraHosts = secrets.hosts;

security.nix

@@ -52,6 +52,7 @@ in {
 
   users.users.out-of-tree = {
     home = "/var/out-of-tree";
+    isSystemUser = true;
     createHome = true;
     extraGroups = [ "docker" "kvm" ];
   };