code: def __git(*opts):
      """Runs a git command and returns its output"""
      cmd = "git " + " ".join(list(opts))
      ret = subprocess.check_output(cmd, shell=True)
      return ret.decode("UTF-8")
  
file_path: cugraph/ci/utils/git_helpers.py
imports: import subprocess
  import os
  import re
label_desc: Use image node_id 2 for calling a global function with example usage: __git() and returns: ret