[roles] No config change unless enabled

roles/audio/default.nix

@@ -10,7 +10,7 @@ in
     enable = mkEnableOption "Enable the audio role";
   };
 
-  config =
+  config = mkIf cfg.enable
     {
       environment.systemPackages = with pkgs; [
         paprefs

roles/bluetooth/default.nix

@@ -10,7 +10,7 @@ in
     enable = mkEnableOption "Enable the bluetooth role";
   };
 
-  config =
+  config = mkIf cfg.enable
     {
       hardware.bluetooth.enable = true;
       hardware.bluetooth.powerOnBoot = true;

roles/kodi/default.nix

@@ -25,7 +25,7 @@ in
       steam-library
       youtube
     ]);
-  in {
+  in mkIf cfg.enable {
     users.extraUsers.kodi.isNormalUser = true;
 
     networking.firewall = {
@@ -50,7 +50,7 @@ in
           enable = true;
           greeter.enable = false;
         };
-	displayManager.sddm.enable = mkForce false;
+        displayManager.sddm.enable = mkForce false;
       };
       displayManager = mkIf (!cfg.wayland) {
         autoLogin.enable = true;

roles/nfs-mounts/default.nix

@@ -16,15 +16,16 @@ in
     };
   };
 
-  config = {
-    fileSystems."/media" = {
-      device = "10.0.0.43:/media";
-      fsType = "nfs";
-      options = [
-        "defaults"
-        "nofail"
-        "softreval"
-      ];
+  config = mkIf cfg.enable
+    {
+      fileSystems."/media" = {
+        device = "10.0.0.43:/media";
+        fsType = "nfs";
+        options = [
+          "defaults"
+          "nofail"
+          "softreval"
+        ];
+      };
     };
-  };
 }

roles/printing/default.nix

@@ -2,18 +2,22 @@
 
 with lib;
 
+let
+  cfg = config.roles.printing;
+in
 {
   options.roles.printing = {
     enable = mkEnableOption "Enable default printing setup";
   };
 
-  config = {
-    services.printing.enable = true;
+  config = mkIf cfg.enable
+    {
+      services.printing.enable = true;
 
-    services.avahi = {
-      enable = true;
-      nssmdns4 = true;
-      openFirewall = true;
+      services.avahi = {
+        enable = true;
+        nssmdns4 = true;
+        openFirewall = true;
+      };
     };
-  };
 }

roles/spotifyd/default.nix

@@ -10,30 +10,31 @@ in
     enable = mkEnableOption "Enable the spotifyd role";
   };
 
-  config = {
-    roles.audio.enable = true;
+  config = mkIf cfg.enable
+    {
+      roles.audio.enable = true;
 
-    services.spotifyd = {
-      enable = true;
-      settings = {
-        global = {
-          use_mpris = false;
-          backend = "alsa";
-          device = "sysdefault";
-          bitrate = 320;
-          cache_path = "";
-          zeroconf_port = 1234;
-          autoplay = false;
+      services.spotifyd = {
+        enable = true;
+        settings = {
+          global = {
+            use_mpris = false;
+            backend = "alsa";
+            device = "sysdefault";
+            bitrate = 320;
+            cache_path = "";
+            zeroconf_port = 1234;
+            autoplay = false;
+          };
         };
       };
-    };
 
-    networking.firewall.allowedTCPPorts = [
-      1234
-      57621
-    ];
-    networking.firewall.allowedUDPPorts = [
-      5353
-    ];
-  };
+      networking.firewall.allowedTCPPorts = [
+        1234
+        57621
+      ];
+      networking.firewall.allowedUDPPorts = [
+        5353
+      ];
+    };
 }

roles/users/default.nix

@@ -21,7 +21,7 @@ in
     kidsPackages = with pkgs; [
       firefox
     ];
-  in {
+  in mkIf cfg.enable {
     users.users.johno = {
       isNormalUser = true;
       description = "John Ogle";

roles/virtualisation/default.nix

@@ -2,13 +2,17 @@
 
 with lib;
 
+let
+  cfg = config.roles.virtualisation;
+in
 {
   options.roles.virtualisation = {
     enable = mkEnableOption "Enable virtualisation";
   };
 
-  config = {
-    virtualisation.libvirtd.enable = true;
-    programs.virt-manager.enable = true;
-  };
+  config = mkIf cfg.enable
+    {
+      virtualisation.libvirtd.enable = true;
+      programs.virt-manager.enable = true;
+    };
 }