code: def _checked_cwd(run, ctx):
      """Returns cwd if it's the same as the run's project directory.
  
      This serves as a safeguard to prevent accidentally merging into an
      unintended target directory. The user is asked to skip this
      check by including --target-dir in the command.
      """
      _checked_cwd_run_pkg_type(run, ctx)
      project_dir = _run_project_dir(run)
      cwd = config.cwd()
      _checked_cwd_matches_project_dir(cwd, project_dir, run, ctx)
      return cwd
  
imports: import os
  from guild import cli
  from guild import cmd_impl_support
  from guild import config
  from guild import exit_code
  from guild import run_merge
  from guild import run_util
  from guild import util
  from guild import vcs_util
  from .None import runs_impl
label_desc: Use image node_id 6 for calling a global function with example usage: _checked_cwd(run, ctx) and returns: cwd