class Bundler::SpecSet

def spec_for_dependency(dep, match_current_platform)
  specs_for_platforms = lookup[dep.name]
  if match_current_platform
    GemHelpers.select_best_platform_match(specs_for_platforms.select{|s| Gem::Platform.match_spec?(s) }, Bundler.local_platform)
  else
    GemHelpers.select_best_platform_match(specs_for_platforms, dep.__platform)
  end
end