def rubocop_checksum
      ResultCache.source_checksum ||=
        begin
          lib_root = File.join(File.dirname(__FILE__), '..')
          exe_root = File.join(lib_root, '..', 'exe')

          # These are all the files we have `require`d plus everything in the
          # exe directory. A change to any of them could affect the cop output
          # so we include them in the cache hash.
          source_files = $LOADED_FEATURES + Find.find(exe_root).to_a
          sources = source_files
                    .select { |path| File.file?(path) }
                    .sort
                    .map { |path| IO.read(path, encoding: Encoding::UTF_8) }
          Digest::SHA1.hexdigest(sources.join)
        end
    end
def rubocop_checksum
      ResultCache.source_checksum ||=
        begin
          lib_root = File.join(File.dirname(__FILE__), '..')
          exe_root = File.join(lib_root, '..', 'exe')

          # These are all the files we have `require`d plus everything in the
          # exe directory. A change to any of them could affect the cop output
          # so we include them in the cache hash.
          source_files = $LOADED_FEATURES + Find.find(exe_root).to_a
          sources = source_files
                    .select { |path| File.file?(path) }
                    .sort
                    .map { |path| IO.read(path, encoding: Encoding::UTF_8) }
          Digest::SHA1.hexdigest(sources.join)
        end
    end
The checksum of the rubocop program running the inspection.