anchor.diff:  , glib
   , cairo
   , keybinder3
  -, ffmpeg_3
  +, ffmpeg
   , python3
   , libxml2
   , gst_all_1
  
positive.code:   '';
  
    preFixup = ''
      gappsWrapperArgs+=(--prefix PATH : ${lib.makeBinPath [ which ffmpeg_3 gifski ]})
    '';
  
    passthru = {
  
negative.code:   meta = with lib; {
      homepage = "https://github.com/phw/peek";
      description = "Simple animated GIF screen recorder with an easy to use interface";
      license = licenses.gpl3Plus;
      maintainers = with maintainers; [ puffnfresh ];
      platforms = platforms.linux;
    };
  