detect

# File lib/rubygems/spec_fetcher.rb, line 145
  def detect(type=:complete)
    tuples = []

    list, _ = available_specs(type)
    list.each do |source, specs|
      specs.each do |tup|
        if yield(tup)
          tuples << [tup, source]
        end
      end
    end

    tuples
  end