# an application initializer which configures a rails application for logging
#
  module RailsApp
    class Application < Rails::Application
    # load the libs - don't forget lockfile for process safe log rolling
    #
      require 'logging' unless defined?(Logging)
      require 'lockfile' unless defined?(Lockfile)

    # do the actual logging configuration - this one will keep 7 log files of
    # roughly 42 mega-bytes on disk and fill not your lovely drive - unless you
    # are in IRB, in which case the logger is not touched...
    #
    # it *seems* like this should be in an initializer but, alas, rails does
    # some weird things with dup'ing loggers that makes it safer to do right
    # *here*
    #
      unless STDIN.tty?
        require 'fileutils'
        FileUtils.mkdir_p(File.join(Rails.root, 'log'))

        logpath       = config.paths.log.first.to_s
        number_rolled = 7
        megabytes     = 2 ** 20
        max_size      = 42 * megabytes
        options       = { :safe => true } # for multi-process safe rolling with lockfile

        logger = ::Logging.logger(logpath, number_rolled, max_size, options)

        config.logger = logger
        config.logger.level = Rails.env.production? ? :info : :debug
      end
    end
  end

### you can test this using something like this
#
# rails runner 'p ActiveRecord::Base.logger; ActiveRecord::Base.logger.info("foobar"); ' < /dev/null
# cat log/development.log