# File lib/bundler/compact_index_client/cache.rb, line 77
      def specific_dependency(name, version, platform)
        pattern = [version, platform].compact.join("-")
        return nil if pattern.empty?

        gem_lines = info_path(name).read
        gem_line = gem_lines[/^#{Regexp.escape(pattern)}\b.*/, 0]
        gem_line ? parse_gem(gem_line) : nil
      end