class Bundler::RubygemsIntegration

def reverse_rubygems_kernel_mixin 

def reverse_rubygems_kernel_mixin
  # Disable rubygems' gem activation system
  if Gem.respond_to?(:discover_gems_on_require=)
    Gem.discover_gems_on_require = false
  else
    [::Kernel.singleton_class, ::Kernel].each do |k|
      if k.private_method_defined?(:gem_original_require)
        redefine_method(k, :require, k.instance_method(:gem_original_require))
      end
    end
  end
end