Add my own SDDM theme!

common/default.nix

@@ -6,4 +6,6 @@
     ./virt.nix
     ./users.nix
   ];
+
+    nixpkgs.overlays = [(import ../overlays) ];
 }

common/devel/pkgs.nix

@@ -19,6 +19,9 @@
       gradle
       jetbrains.idea-ultimate
       maven
+      
+     # NixOS
+     nix-prefetch-scripts
     ];
   };
 }

common/gui/default.nix

@@ -9,6 +9,7 @@
     enable = true;
     displayManager.sddm.enable = true;  
     desktopManager.plasma5.enable = true;
+    displayManager.sddm.theme = "nx-sddm";
   };
 
   networking.networkmanager.enable = true;

common/gui/pkgs.nix

@@ -42,7 +42,9 @@
       packagekit-qt
       plasma-desktop
       plasma-integration
+      plasma5.sddm-kcm
       plasma5.xdg-desktop-portal-kde
+      my.sddm-nx
       sddm
       kdeApplications.spectacle
 

overlays/default.nix

@@ -0,0 +1,7 @@
+self: super:
+
+rec {
+  my = super.recurseIntoAttrs {
+    sddm-nx = super.callPackage ./nx-sddm.nix {};
+  };
+}

overlays/nx-sddm.nix

@@ -0,0 +1,14 @@
+{ stdenv}:
+
+stdenv.mkDerivation {
+	name = "nx-sddm";
+    src = fetchGit {
+      url = https://githee.netsoj.nl/chris-config/sddm-nx.git;
+      rev ="636e786f88d2e9838c8096465d8b4e9b3b0914aa";
+      #sha256 = "1nwfisz13y2pfkrnxlkrqp1j546m1na9bkdrd0khm5ilb71d7win";
+    };
+    installPhase = ''
+       mkdir -p $out/share/sddm/themes/nx-sddm
+       cp -r . $out/share/sddm/themes/nx-sddm
+    '';
+}