anchor.diff:      pluginUi = "GTK";
       isUi = true;
       buildDirs = [ "avidemux/gtk" ];
  +    # Code seems unmaintained.
  +    meta.broken = true;
     };
   
     avidemux_common = buildPlugin {
  
positive.code: 
        fixupPhase
      '';
    });
  
  in {
  
negative.code: }:
  
  let
    version = "2.6.20";
  
    src = fetchurl {
      url = "mirror://sourceforge/avidemux/avidemux/${version}/avidemux_${version}.tar.gz";
      sha256 = "17zgqz6i0bcan04wqwksf7y4z73vxmabcpnd9y5nhx7br5zwpih3";
    };
  
    common = {
  