class Chef::Knife::RoleCreate

def run
  @role_name = @name_args[0]
  if @role_name.nil?
    show_usage
    ui.fatal("You must specify a role name")
    exit 1
  end
  role = Chef::Role.new
  role.name(@role_name)
  role.description(config[:description]) if config[:description]
  create_object(role, object_class: Chef::Role)
end