Method pull

dev/release/binary-task.rb:743–756

    end

    def pull
      client = @mutex.synchronize do
        if @clients.empty?
          create_client
        else
          @clients.pop
        end
      end
      begin
        yield(client)
      ensure
        release(client)
      end
    end

    def release(client)
      @mutex.synchronize do