File _servicedata of Package libretro-beetle-wswan

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/libretro/beetle-wswan-libretro.git</param>
              <param name="changesrevision">33806930cc404dde0a36565abd482a08829c2f5a</param></service></servicedata>