reverse_dependencies

# File lib/rubygems/commands/dependency_command.rb, line 174
  def reverse_dependencies specs # :nodoc:
    reverse = Hash.new { |h, k| h[k] = [] }

    return reverse unless options[:reverse_dependencies]

    specs.each do |spec|
      reverse[spec.full_name] = find_reverse_dependencies spec
    end

    reverse
  end