code: def view_cancel_edit(name=None):
      
      if name is None:
          return redirect('/')
      else:
          files = glob.glob("{0}.rst".format(name))
          if len(files) > 0:
              reset_to_last_commit()
              return redirect('/' + name)
          else:
              return abort(404)
docs: Cancel the edition of an existing page.
  
      Then render the last modification status
  
      .. note:: this is a bottle view
  
      if no page name is given, do nothing (it may leave some .tmp. files in
      the directory).
  
      Keyword Arguments:
          :name: (str) -- name of the page (OPTIONAL)
  
      Returns:
          bottle response object