recolorize_logging.rb

# Monkeypatch the activerecord logger to colorize database-changing statements different
# from non-changing statements (instead of the blue-baring it does by default)

class ActiveRecord::ConnectionAdapters::AbstractAdapter
protected
  def format_log_entry(message, dump = nil)
    if ActiveRecord::Base.colorize_logging
      if message =~ / (Update|Create) /
        message_color, dump_color = "4;35;1", "0"
      else
        message_color, dump_color = "4;36;1", "0;1"
      end

      log_entry = "  \e[#{message_color}m#{message}\e[0m   "
      log_entry << "\e[#{dump_color}m%#{String === dump ? 's' : 'p'}\e[0m" % dump if dump
      log_entry
    else
      "%s  %s" % [message, dump]
    end
  end
end