bla.rb

            if stage == s['name']
              log.debug "#{build_key} #{stage} in lifecycle state #{s['lifeCycleState']} and state #{s['state']}"
              return s.values_at("lifeCycleState","state")
            end
          end
          raise "Could not find stage '#{stage}' for build '#{build_key}'"
        else
          raise "Error communicating  - #{res.code} #{res.body}"
        end
      end

      def progress_build_to_stage(build_key, stage, variables = {})
        #raise "Stage '#{stage}' has already been executed in build '#{build_key}'" unless 'NotBuilt' == get_lifecycle_state_for_stage(build_key, stage)
        lifecycle_state = get_lifecycle_state_for_stage(build_key, stage)

        if(lifecycle_state['lifecycle_state'] == "Finished" && lifecycle_state['state'] == "Successful")
          raise "Stage '#{stage}' has already been succesfully executed in build '#{build_key}'"
        end