code: def rsync_docs():
      
      assert options.paved.docs.rsync_location, "Please specify an rsync location in options.paved.docs.rsync_location."
      sh('rsync -ravz %s/ %s/' % (path(options.paved.docs.path) / options.paved.docs.build_rel,
                                  options.paved.docs.rsync_location))
docs: Upload the docs to a remote location via rsync.
  
      `options.paved.docs.rsync_location`: the target location to rsync files to.
  
      `options.paved.docs.path`: the path to the Sphinx folder (where the Makefile resides).
  
      `options.paved.docs.build_rel`: the path of the documentation
          build folder, relative to `options.paved.docs.path`.