anchor.diff:      sha256 = "${checksum}";
     };
   
  -  phases = [ "installPhase" ];
  +  phases = [ "installPhase" "fixupPhase" ];
   
     buildInputs = [ makeWrapper ];
   
  
positive.code: 
    installPhase = ''
      install -Dm755 ${src} $out/bin/${pname}
  
      wrapProgram $out/bin/${pname} \
        --prefix PATH : ${binPath}
  
negative.code:          then "linux-amd64"
           else "darwin-amd64";
    checksum = if stdenv.isLinux
               then "0cdcabsx5l4jbpyj3zzyz5bnzks6wl64bmzdsnk41x92ar5y5yal"
               else "12f3b7s5lwpvzx4wj6i6h62n4zjshqf206fxxwpwx9kpsdaw6xdi";
  
  # TODO: compile from source
  
  in stdenv.mkDerivation rec {
    pname = "minikube";
    version = "0.17.1";
    name = "${pname}-${version}";
  
    src = fetchurl {
  