begin

  STDOUT.sync = true

  def Rails.heroku_stdout_logger
    logger = Logger.new(STDOUT)
    logger.level = Logger.const_get(([ENV['LOG_LEVEL'].to_s.upcase, "INFO"] & %w[DEBUG INFO WARN ERROR FATAL UNKNOWN]).compact.first)
    logger
  end
  
  unless Rails.env.test? 
    case Rails::VERSION::MAJOR
      when 3 then Rails.logger = Rails.application.config.logger = Rails.heroku_stdout_logger
      when 2 then
        # redefine Rails.logger
        def Rails.logger
          @@logger ||= Rails.heroku_stdout_logger
        end
        %w(
          ActiveSupport::Dependencies
          ActiveRecord::Base
          ActionController::Base
          ActionMailer::Base
          ActionView::Base
          ActiveResource::Base
        ).each do |klass_name|
          begin
            klass = Object
            klass_name.split("::").each { |part| klass = klass.const_get(part) }
            klass.logger = Rails.logger
          rescue
          end
        end
        Rails.cache.logger = Rails.logger rescue nil
    end
  end # unless env.test?


rescue Exception => ex

  puts "WARNING: Exception during rails_log_stdout init: #{ex.message}"

end