anchor.diff:  
     preInstall = ''
       installFlagsArray+=("SYSCONFDIR=$out/etc")
  +  '';
  +
  +  preFixup = ''
  +    # Scripts calls rm, cat & other executables
  +    wrapProgram "$out/sbin/resolvconf" \
  +      --set PATH "${coreutils}/bin"
     '';
   
     meta = with stdenv.lib; {
  
positive.code: { stdenv
  , fetchurl
  }:
  
  stdenv.mkDerivation rec {
  
negative.code:     sha256 = "51a04d39232bb797c9efeaad51a525cf50a1deefcb19a1ea5dd3475118634db8";
    };
  
    nativeBuildInputs = [
      makeWrapper
    ];
  
    configureFlags = [
      "--sysconfdir=/etc"
      "--localstatedir=/var"
  