class Bundler::CompactIndexClient::Updater

def checksum_for_file(path)
  return nil unless path.file?
  # This must use File.read instead of Digest.file().hexdigest
  # because we need to preserve \n line endings on windows when calculating
  # the checksum
  SharedHelpers.filesystem_access(path, :read) do
    SharedHelpers.digest(:MD5).hexdigest(File.read(path))
  end
end