Add plasma module and options

machines/nucturne/default.nix

@@ -1,15 +1,6 @@
-{
-  config,
-  pkgs,
-  inputs,
-  nixos-hardware,
-  ...
-}: {
-  imports = [
-    ../../common/users.nix
-    ./hardware-configuration.nix
-    ./software.nix
-  ];
+{ config, pkgs, inputs, nixos-hardware, ... }: {
+  imports =
+    [ ../../common/users.nix ./hardware-configuration.nix ./software.nix ];
 
   elss = {
     # base system
@@ -25,6 +16,7 @@
       enable = true;
       sway.enable = true;
       i3.enable = false;
+      plasma.enable = false;
       # set dpi if used in mobile applications
       #      dpi = 180;
     };
@@ -36,13 +28,10 @@
     openvpn.enable = true;
 
     # nm-networks
-    networking.nmConnections = [
-    ];
+    networking.nmConnections = [ ];
 
     # enable sops
-    sops = {
-      enable = true;
-    };
+    sops = { enable = true; };
 
     # enable wireguard
     wireguard.enable = true;
@@ -50,25 +39,17 @@
     # user setup
     users = {
       enable = true;
-      admins = ["ellmau"];
-      users = [];
+      admins = [ "ellmau" ];
+      users = [ ];
 
-      meta = {
-        ellmau.git = {
-          signDefault = true;
-        };
-      };
+      meta = { ellmau.git = { signDefault = true; }; };
     };
   };
 
   boot = {
-    extraModulePackages = [
-      config.boot.kernelPackages.v4l2loopback
-    ];
+    extraModulePackages = [ config.boot.kernelPackages.v4l2loopback ];
 
-    kernelModules = [
-      "v4l2loopback"
-    ];
+    kernelModules = [ "v4l2loopback" ];
 
     plymouth.enable = true;
   };

modules/plasma.nix

@@ -0,0 +1,24 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib; {
+  options.elss.graphical.plasma.enable = mkEnableOption "Use plasma";
+  config = let
+    cfg = config.elss.graphical.plasma;
+  in
+    mkIf cfg.enable {
+      services.xserver = {
+        enable = true;
+        displayManager.sddm.enable = true;
+        desktopManager.plasma5.enable = true;
+      };
+
+      environment.systemPackages = with pkgs; [
+        firefox
+        thunderbird
+      ];
+    };
+}