full rewrite, first commit

modules/nixos/desktop/plasma/default.nix

@@ -0,0 +1,58 @@
+{
+  options,
+  config,
+  lib,
+  pkgs,
+  namespace,
+  ...
+}:
+with lib;
+with lib.${namespace};
+let
+  cfg = config.${namespace}.desktop.plasma;
+
+  excludePackages = with pkgs.kdePackages; [
+    konsole
+    elisa
+    krdp
+  ];
+
+  default-attrs = mapAttrs (key: mkDefault);
+  nested-default-attrs = mapAttrs (key: default-attrs);
+in
+{
+  options.${namespace}.desktop.plasma = with types; {
+    enable = mkBoolOpt false "Whether or not to use Plasma as the desktop environment.";
+    extraExcludePackages = mkOpt (listOf package) [ ] "Extra packages to exclude";
+  };
+
+  config = mkIf cfg.enable {
+    services.desktopManager.plasma6.enable = true;
+    services.displayManager = {
+      sddm = {
+        enable = true;
+        wayland.enable = true;
+        settings = {
+          Autologin = {
+            Session = "plasma.desktop";
+            User = "philipp";
+          };
+          Theme = {
+            EnableAvatars = true;
+          };
+        };
+      };
+    };
+
+    environment.plasma6.excludePackages =
+      with pkgs.kdePackages;
+      [ ] ++ excludePackages ++ cfg.extraExcludePackages;
+
+    environment.systemPackages = with pkgs; [
+      pinentry-qt
+      kdiskmark
+      kdePackages.networkmanager-qt
+    ];
+  };
+
+}