anchor.diff:          make install TARGETS='udev' PREFIX=$out DESTDIR=$out \
             UDEV_RULES_DIR=/etc/udev/rules.d
         ''}
  +
         runHook postInstall
  +    '';
  +
  +    postFixup = ''
  +      wrapProgram $out/bin/autorandr \
  +        --prefix PATH : ${xrandr}/bin
       '';
   
       src = fetchFromGitHub {
  
positive.code: { stdenv
  , python3Packages
  , fetchFromGitHub
  , systemd }:
  
  let
    python = python3Packages.python;
  
negative.code:     name = "autorandr-${version}";
  
      buildInputs = [ python ];
      nativeBuildInputs = [ makeWrapper ];
  
      installPhase = ''
        runHook preInstall
  