# Pastebin 6yVYCA82
require 'bundler'

module RefineBundlerDefinition
  refine Bundler::Definition do
    def specs
      @specs ||=
        begin
          specs = resolve.materialize(
            Bundler.settings[:cache_all_platforms] ? dependencies : requested_dependencies,
            []
          )

          unless specs["bundler"].any?
            local = Bundler.settings[:frozen] ? rubygems_index : index
            bundler = local.search(Gem::Dependency.new("bundler", VERSION)).last
            specs["bundler"] = bundler if bundler
          end

          specs
        end
    end
  end
end

using RefineBundlerDefinition

Bundler.setup(:default)

require 'rack'