code: def get_git_branch():
      """Get the symbolic name for the current git branch"""
      cmd = "git rev-parse --abbrev-ref HEAD".split()
      try:
          return subprocess.check_output(
              cmd,
              stderr=subprocess.DEVNULL,
              cwd=SRCDIR,
              encoding="UTF-8",
          )
      except subprocess.CalledProcessError:
          return None
  
imports: import re
  import sys
  import shutil
  import os.path
  import subprocess
  import sysconfig
  import reindent
  import untabify
label_desc: Use image node_id 4 for calling a global function with example usage: get_git_branch() and returns: subprocess, None