anchor.diff:      libnotify
       nspr
       nss
  +    stdenv.cc.cc
       systemd
   
       xorg.libX11
  
positive.code:     mkdir -p $out
      dpkg -x $src $out
      cp -av $out/usr/* $out
      rm -rf $out/usr
  
      # Otherwise it looks "suspicious"
      chmod -R g-w $out
  
negative.code: 
      # Fix the desktop link
      substituteInPlace $out/share/applications/slack.desktop \
        --replace /usr/bin/ $out/bin/ \
        --replace /usr/share/ $out/share/
    '';
  
    meta = with stdenv.lib; {
  