text: import subprocess
  
  
  def get_git_repo_head_branch(repo):
      """
      A helper method to get the reference of the HEAD branch of a git remote repo.
      https://stackoverflow.com/a/41925348
      """
      out = subprocess.check_output(
          ["git", "ls-remote", "--symref", repo, "HEAD"]
      ).decode()
      head_branch = out.split()[1]
      return head_branch
  
  
  def check_if_dir_is_inside_git_repo(dir=None):
      """
      Checks whether a given directory is inside of a git repo.
      """
      try:
          out = (
              subprocess.check_output(
                  ["git", "rev-parse", "--is-inside-work-tree"],
                  cwd=dir,
                  stderr=subprocess.DEVNULL,
              )
              .decode()
              .strip()
          )
          print(out)
          if out == "true":
              return True
          return False
      except subprocess.CalledProcessError:
          return False
  