anchor.diff: -{ stdenv, lib, fetchzip, cups }:
  +{ lib
  +, stdenv
  +, cups
  +, fetchzip
  +, patchPpdFilesHook
  +}:
   
   let
     platform =
  
positive.code: 
      mkdir -p $out/share/cups/model/Kyocera
      cd English
      for i in *.ppd; do
        sed -i $i -e \
          "s,/usr/lib/cups/filter/rastertokpsl,$out/lib/cups/filter/rastertokpsl,g"
        cp $i $out/share/cups/model/Kyocera
      done;
    '';
  
    meta = with lib; {
      description = "CUPS drivers for several Kyocera FS-{1020,1025,1040,1060,1120,1125} printers";
  
negative.code:     sha256 = "0z1pbgidkibv4j21z0ys8cq1lafc6687syqa07qij2qd8zp15wiz";
    };
  
    nativeBuildInputs = [ patchPpdFilesHook ];
  
    installPhase = ''
      tar -xvf ${platform}/Global/English.tar.gz
      install -Dm755 English/rastertokpsl $out/lib/cups/filter/rastertokpsl
  