Update common.nix

common.nix

@@ -2,18 +2,18 @@
 { config, pkgs, lib, ... }:
 
 let
-  vesktopDark = pkgs.stdenv.mkDerivation {
+  vesktopDark = pkgs.stdenv.mkDerivation rec {
     pname = "vesktop-dark";
     version = "1.0";
 
     buildInputs = [ pkgs.makeWrapper ];
 
-    unpackPhase = "true";
+    src = null; # no source, we just wrap
+
     installPhase = ''
       mkdir -p $out/bin
       wrapProgram ${pkgs.vesktop}/bin/vesktop \
         --set GTK_THEME Adwaita:dark \
-        --prefix PATH : ${pkgs.coreutils}/bin \
         --prefix PATH : ${pkgs.glib}/bin \
         -o $out/bin/vesktop
     '';