anchor.diff:      targetPkgs = commonTargetPkgs;
       inherit multiPkgs extraBuildCommands;
   
  -    runScript =
  -      let ldPath = map (x: "/steamrt/${steam-runtime-wrapped.arch}/" + x) steam-runtime-wrapped.libs
  -                 ++ lib.optionals (steam-runtime-wrapped-i686 != null) (map (x: "/steamrt/${steam-runtime-wrapped-i686.arch}/" + x) steam-runtime-wrapped-i686.libs);
  -      in writeScript "steam-run" ''
  -        #!${stdenv.shell}
  -        run="$1"
  -        if [ "$run" = "" ]; then
  -          echo "Usage: steam-run command-to-run args..." >&2
  -          exit 1
  -        fi
  -        shift
  -        export LD_LIBRARY_PATH=${lib.concatStringsSep ":" ldPath}:$LD_LIBRARY_PATH
  -        exec "$run" "$@"
  -      '';
  +    runScript = writeScript "steam-run" ''
  +      #!${stdenv.shell}
  +      run="$1"
  +      if [ "$run" = "" ]; then
  +        echo "Usage: steam-run command-to-run args..." >&2
  +        exit 1
  +      fi
  +      shift
  +      export LD_LIBRARY_PATH=${lib.concatStringsSep ":" ldPath}:$LD_LIBRARY_PATH
  +      exec "$run" "$@"
  +    '';
     };
   }
  
positive.code:       ++ lib.optional withPrimus primus
        ++ extraPkgs pkgs;
  
  in buildFHSUserEnv rec {
    name = "steam";
  
  
negative.code:     ${lib.optionalString (steam-runtime-wrapped-i686 != null) ''
        ln -s ../lib32/steam-runtime steamrt/${steam-runtime-wrapped-i686.arch}
      ''}
      ln -s ${runSh} steamrt/run.sh
    '';
  
    extraInstallCommands = ''
  