code: def repo_context(url, branch=None, quiet=True, dest_ctx=temp_dir):
      """
      Check out the repo indicated by url.
  
      If dest_ctx is supplied, it should be a context manager
      to yield the target directory for the check out.
      """
      exe = "git" if "git" in url else "hg"
      with dest_ctx() as repo_dir:
          cmd = [exe, "clone", url, repo_dir]
          if branch:
              cmd.extend(["--branch", branch])
          devnull = open(os.path.devnull, "w")
          stdout = devnull if quiet else None
          subprocess.check_call(cmd, stdout=stdout)
          yield repo_dir
  
imports: import os
  import subprocess
  import contextlib
  import functools
  import tempfile
  import shutil
  import operator
  import warnings
label_desc: Use image node_id 5 for calling a global function with example usage: repo_context(url, branch, quiet, dest_ctx) without return types