get_path

# File lib/rubygems/commands/unpack_command.rb, line 112
  def get_path dependency
    return dependency.name if dependency.name =~ /\.gem$/

    specs = dependency.matching_specs

    selected = specs.sort_by { |s| s.version }.last # HACK: hunt last down

    return Gem::RemoteFetcher.fetcher.download_to_cache(dependency) unless
      selected

    return unless dependency.name =~ /^#{selected.name}$/

    # We expect to find (basename).gem in the 'cache' directory.  Furthermore,
    # the name match must be exact (ignoring case).

    path = find_in_cache File.basename selected.cache_file

    return Gem::RemoteFetcher.fetcher.download_to_cache(dependency) unless path

    path
  end