Update common.nix

common.nix

@@ -1,6 +1,20 @@
 # Common.nix
 { config, pkgs, lib, ... }:
 
+let
+  vesktopDark = pkgs.vesktop.overrideAttrs (old: {
+    installPhase = ''
+      mkdir -p $out/bin
+      cat > $out/bin/vesktop <<EOF
+#!/bin/sh
+# Wrapper to force dark GTK theme for vesktop
+GTK_THEME=Adwaita:dark exec ${old}/bin/vesktop "\$@"
+EOF
+      chmod +x $out/bin/vesktop
+    '';
+  });
+in
+
 {
 # Use latest kernel
 boot.kernelPackages = pkgs.linuxPackages_latest;
@@ -78,20 +92,10 @@ users.users.fred = {
     packages = with pkgs; [
       bazaar
       fastfetch
+      vesktopDark
     ];
   };
 
-environment.systemPackages = with pkgs; [
-  (vesktop.overrideAttrs (old: {
-    installPhase = ''
-      mkdir -p $out/bin
-      echo '#!/bin/sh' > $out/bin/vesktop
-      echo 'GTK_THEME=Adwaita:dark exec ${old}/bin/vesktop "$@"' >> $out/bin/vesktop
-      chmod +x $out/bin/vesktop
-    '';
-  }))
-];
-
 # Allow unfree packages
 nixpkgs.config.allowUnfree = true;