class Bundler::RubygemsIntegration

def use_gemdeps(gemfile)
  ENV["BUNDLE_GEMFILE"] ||= File.expand_path(gemfile)
  require_relative "gemdeps"
  runtime = Bundler.setup
  activated_spec_names = runtime.requested_specs.map(&:to_spec).sort_by(&:name)
  [Gemdeps.new(runtime), activated_spec_names]
end