quiet_assets.rb

gistfile1.rb

Rails::Rack::Logger.class_eval do 
  def call_with_quiet_assets(env)
    previous_level = Rails.logger.level
    Rails.logger.level = Logger::ERROR if env['PATH_INFO'].index("/assets/") == 0 
    call_without_quiet_assets(env).tap do
      Rails.logger.level = previous_level
    end 
  end 
  alias_method_chain :call, :quiet_assets 
end