code: def get_current_git_branch():
      out = subprocess.check_output(
          ["git", "log", "-n", "1", "--pretty=%d", "HEAD"]
      )
      m = re.search(r"release_[0-9\.]+", out.decode())
      if not m:
          raise ValueError("Expected branch name of form release_xxx")
      return m.group(0)
  
imports: import argparse
  import errno
  import glob
  import os
  import re
  import shutil
  import subprocess
  import sys
  import tempfile
  import zipfile
  from contextlib import contextmanager
  from urllib.request import urlretrieve
label_desc: Use image node_id 8 for calling a global function with example usage: get_current_git_branch() and returns: m