message: Replace changelist with timestamp
diff: @@ -271,15 +271,16 @@ def get_all_tested_commits():
  def get_upload_path():
  """Generate URL for 'gsutil cp'."""
  if FLAGS.upload and FLAGS.artifact:
  - head_info = git_pretty("HEAD", PRETTY_HEAD_INFO, n=1)
  - _, current_cl, _, _, _, _, _ = head_info[0].split("\t")
  artifact_filename = os.path.basename(FLAGS.artifact.name)
  + ts = datetime.datetime.now(
  + datetime.timezone.utc).isoformat(timespec="seconds")
  # note: not os.path.join here, because gsutil is always linux-style
  - path = "{bucket}/{team}/{artifact_id}/{cl}.{artifact_filename}".format(
  + # Using a timestamp prevents duplicate entries
  + path = "{bucket}/{team}/{artifact_id}/{now}.{artifact_filename}".format(
  bucket=FLAGS.bucket,
  team=FLAGS.team,
  artifact_id=FLAGS.artifact_id,
  - cl=current_cl,
  + now=ts,
  artifact_filename=artifact_filename)
  return path
  else:
  