When two deployment is close, maybe there's no autotest commit. But deployment should still continue. Now it will raise error like:

Getting pushed CLs for autotest repo.
Running command: git log --oneline 9c4a4339f..cd3012246|grep autotest
ERROR: 'git log --oneline 9c4a4339f..cd3012246|grep autotest' failed with error:

Deploy fails when running a subprocess cmd :

Below is the push log:


Traceback (most recent call last):
  File "./automated_deploy.py", line 194, in <module>
    sys.exit(main(sys.argv))
  File "./automated_deploy.py", line 174, in main
    update_log += get_pushed_commits(repo, repo_dir, push_commits_range)
  File "./automated_deploy.py", line 139, in get_pushed_commits
    pushed_commits = infra.local_runner(get_commits_cmd, stream_output=True)
  File "/usr/local/google/home/xixuan/chromiumos-backup-never-delete/src/third_party/autotest/files/site_utils/lib/infra.py", line 60, in local_runner
    raise subprocess.CalledProcessError(return_code, cmd, output[:1024])
subprocess.CalledProcessError: Command 'git log --oneline 9c4a4339f..cd3012246|grep autotest' returned non-zero exit status 1