anchor.diff:  
     meta = with lib; {
       description = "Tools for monitoring the health of hard drives";
  -    homepage    = "https://www.smartmontools.org/";
  -    license     = licenses.gpl2Plus;
  +    homepage = "https://www.smartmontools.org/";
  +    license = licenses.gpl2Plus;
       maintainers = with maintainers; [ peti Frostman ];
  -    platforms   = with platforms; linux ++ darwin;
  +    platforms = with platforms; linux ++ darwin;
       mainProgram = "smartctl";
     };
   }
  
positive.code:     # fixes darwin build
      ./smartmontools.patch
    ];
    postPatch = "cp -v ${driverdb} drivedb.h";
  
    configureFlags = lib.optional enableMail
      "--with-scriptpath=${lib.makeBinPath [ inetutils mailutils ]}";
  
    nativeBuildInputs = [ autoreconfHook ];
    buildInputs = lib.optionals stdenv.isDarwin [ IOKit ApplicationServices ];
  
negative.code: { lib
  , stdenv
  , fetchurl
  , autoreconfHook
  , enableMail ? false
  , mailutils
  , inetutils
  , IOKit
  , ApplicationServices
  }:
  
  let
    dbrev = "5171";
    drivedbBranch = "RELEASE_7_2_DRIVEDB";
    driverdb = fetchurl {
      url = "https://sourceforge.net/p/smartmontools/code/${dbrev}/tree/branches/${drivedbBranch}/smartmontools/drivedb.h?format=raw";
      sha256 = "0vncr98xagbcfsxgfgxsip2qrl9q3y8va19qhv6yknlwbdfap4mn";
      name = "smartmontools-drivedb.h";
    };
  
  in
  stdenv.mkDerivation rec {
    pname = "smartmontools";
    version = "7.2";
  
  