old_contents: """Provides the repository macro to import TFRT."""
  
  load("//third_party:repo.bzl", "tf_http_archive")
  
  def repo():
      """Imports TFRT."""
  
      # Attention: tools parse and update these lines.
      TFRT_COMMIT = "989678b8650466439defeeed712be83b25bb519f"
      TFRT_SHA256 = "7dcf55c3d6bd46824f9f820d4375518dc5202f8d2431e25355425c348dcd3fea"
  
      tf_http_archive(
          name = "tf_runtime",
          sha256 = TFRT_SHA256,
          strip_prefix = "runtime-{commit}".format(commit = TFRT_COMMIT),
          urls = [
              "http://mirror.tensorflow.org/github.com/tensorflow/runtime/archive/{commit}.tar.gz".format(commit = TFRT_COMMIT),
              "https://github.com/tensorflow/runtime/archive/{commit}.tar.gz".format(commit = TFRT_COMMIT),
          ],
      )
  
new_contents: """Provides the repository macro to import TFRT."""
  
  load("//third_party:repo.bzl", "tf_http_archive")
  
  def repo():
      """Imports TFRT."""
  
      # Attention: tools parse and update these lines.
      TFRT_COMMIT = "ef81d21e3e6e9821c99ccbde4daf003dbeaa71e4"
      TFRT_SHA256 = "a5a9f96ea84ca54445a040655c9109f87ba77a368a7866a725f7157f8349c873"
  
      tf_http_archive(
          name = "tf_runtime",
          sha256 = TFRT_SHA256,
          strip_prefix = "runtime-{commit}".format(commit = TFRT_COMMIT),
          urls = [
              "http://mirror.tensorflow.org/github.com/tensorflow/runtime/archive/{commit}.tar.gz".format(commit = TFRT_COMMIT),
              "https://github.com/tensorflow/runtime/archive/{commit}.tar.gz".format(commit = TFRT_COMMIT),
          ],
      )
  
subject: Update TFRT dependency to use revision http://github.com/tensorflow/runtime/commit/ef81d21e3e6e9821c99ccbde4daf003dbeaa71e4.