1  module Kernel
   2    unless respond_to?(:debugger)
   3      # Starts a debugging session if ruby-debug has been loaded (call script/server --debugger to do load it).
   4      def debugger
   5        message = "\n***** Debugger requested, but was not available: Start server with --debugger to enable *****\n"
   6        defined?(Rails) ? Rails.logger.info(message) : $stderr.puts(message)
   7      end
   8    end
   9 
  10    undef :breakpoint if respond_to?(:breakpoint)
  11    def breakpoint
  12      message = "\n***** The 'breakpoint' command has been renamed 'debugger' -- please change *****\n"
  13      defined?(Rails) ? Rails.logger.info(message) : $stderr.puts(message)
  14      debugger
  15    end
  16  end