anchor.diff:      license     = licenses.lgpl21;
       platforms   = platforms.x86_64;
       maintainers = with maintainers; [ rnhmjoj sbruder tadeokondrak ];
  +    mainProgram = "vspipe";
     };
   }
  
positive.code: { lib, stdenv, fetchFromGitHub, pkg-config, autoreconfHook, makeWrapper
  , runCommandCC, runCommand, vapoursynth, writeText, patchelf, buildEnv
  , zimg, libass, python3, libiconv
  , ApplicationServices
  }:
  
  
negative.code:       inherit lib python3 buildEnv writeText runCommandCC stdenv runCommand
          vapoursynth makeWrapper withPlugins;
      };
  
      tests.version = testers.testVersion {
        package = vapoursynth;
        # Check Core version to prevent false positive with API version
        version = "Core R${version}";
      };
    };
  
    postInstall = ''
  