anchor.diff:  { lib, stdenv, mkDerivation, fetchFromGitLab, qmake, qtbase, qttools, qtserialport, libGLU }:
   mkDerivation rec {
     pname = "OSCAR";
  -  version = "1.3.0";
  +  version = "1.3.1";
   
     src = fetchFromGitLab {
       owner = "pholy";
       repo = "OSCAR-code";
       rev = "v${version}";
  -    sha256 = "sha256-oKKwX5HiT8RACiqzZegOxH6IHQn/u0N4ih/ubH6YYjg=";
  +    sha256 = "sha256-/70NoyiQ33RFdSTBAyi5c/JPZ2AV1/iRvkAZ6VjpUXw=";
     };
   
     buildInputs = [ qtbase qttools qtserialport libGLU ];
  
positive.code:   qmakeFlags = [ "OSCAR_QT.pro" ];
  
    installPhase = ''
      install -d $out/bin
      install -d $out/share/OSCAR/Help
      install -d $out/share/OSCAR/Html
  
negative.code:     install oscar/Translations/* $out/share/OSCAR/Translations
      install -T Building/Linux/OSCAR.png $out/share/icons/OSCAR/OSCAR.png
      install -T Building/Linux/OSCAR.desktop $out/share/applications/OSCAR.desktop
      runHook postInstall
    '';
  
    meta = with lib; {
      homepage = "https://www.sleepfiles.com/OSCAR/";
      description = "Software for reviewing and exploring data produced by CPAP and related machines used in the treatment of sleep apnea";
      license = licenses.gpl3Only;
      maintainers = [ maintainers.roconnor ];
      # Someone needs to create a suitable installPhase for Darwin and Windows.
      # See https://gitlab.com/pholy/OSCAR-code/-/tree/master/Building.
      platforms = platforms.linux;
    };
  }
  