code: def post_to_gerrit(commit, score=0, message='', user='lunatest', gerrit=None):
      
      # ssh -p 29418 review.example.com gerrit review --code-review +1 <commit_id>
      if score > 0:
          score = "+{}".format(score)
      else:
          url = "{}job/{}/{}/consoleText".format(os.environ.get('JENKINS_URL'),
                                                 os.environ.get('JOB_NAME'),
                                                 os.environ.get('BUILD_NUMBER'))
          message = ("{}\r\n\r\n"
                     "Check output here: {}").format(message, url)
          score = str(score)
      # Format the message in a way that is readable both by shell command
      #as well as Gerrit (need to double quote, once for shell, once for gerrit).
      message = "'\"{}\"'".format(message)
  
      subprocess.check_output(["ssh",
                               "-p", str(os.environ.get("GERRIT_PORT", "29418")),
                               "{}@{}".format(user, gerrit),
                               "gerrit", "review", "--code-review " + score,
                               "-m", message, commit])
docs: Post the data to gerrit. This right now is a stub, as
      I'll need to write the code to post up to gerrit.
  
      :param commit: Commit ID of the review.
      :param message: Message to accompany the review score.
      :param user: SSH User for posting to gerrit.
      :param gerrit: Hostname of the gerrit server.
      :param score: Score to post to gerrit (+1/-1, etc)
      :return: