class Bundler::Source::BundlerGems

def specs
  @specs ||= begin
    index = Index.new
    bundle_index = Gem::SourceIndex.from_gems_in(Bundler.specs_path)
    bundle_index.to_a.reverse.each do |name, spec|
      spec.source = self
      index << spec
    end
    index
  end
end

def to_s
  "bundler gems"
end