# File lib/buildr/core/jrebel.rb, line 18
    def jrebel_home
      unless @jrebel_home
        @jrebel_home = ENV['REBEL_HOME'] || ENV['JREBEL'] || ENV['JREBEL_HOME']
      end

      (@jrebel_home && File.exists?(@jrebel_home)) ? @jrebel_home : nil
    end