anchor.diff:      pango
       stdenv.cc.cc
       systemd_lib
  +    xproto
       zlib
     ];
   
  
positive.code:       -e 's,$(basename $0),atom${source.suffix},'
  
      wrapProgram $out/bin/atom${source.suffix} \
        --prefix 'PATH' : "${gvfs}/bin:${python}/bin" \
        --prefix 'LD_LIBRARY_PATH' : "${libPath}" \
        --prefix 'XDG_DATA_DIRS' : "${shared-mime-info}/share" \
        --prefix 'XDG_DATA_DIRS' : "$out/share"
  
negative.code:     glib
      gtk_2
      gvfs
      kbproto
      libcap
      libgnome-keyring
      libgpg-error
  