anchor.diff:      if stdenv.system == "x86_64-linux" then
         fetchurl {
           url = "https://repo.skype.com/deb/pool/main/s/skypeforlinux/skypeforlinux_${version}_amd64.deb";
  -        sha256 = "1r65qlsjwp0n0fmlhvbp71h03b3x73r26jk9f4q687sjqnzmkvcr";
  +        sha256 = "1dq7k4zlqqsx7786phialia5xbpc3cp1wrjhqrvga09yg4dl505c";
         }
       else
         throw "Skype for linux is not supported on ${stdenv.system}";
  
positive.code:     substituteInPlace $out/share/applications/skypeforlinux.desktop \
        --replace /usr/bin/ $out/bin/ \
        --replace /usr/share/ $out/share/
  
    '';
  
    meta = with stdenv.lib; {
      description = "Linux client for skype";
      homepage = https://www.skype.com;
      license = licenses.unfree;
      maintainers = with stdenv.lib.maintainers; [ panaeon ];
      platforms = [ "x86_64-linux" ];
    };
  }
  
  
negative.code:     fontconfig
      freetype
      glib
      glibc
      libsecret
  
      gnome2.GConf
      gnome2.gdk_pixbuf
  