docs: def _find_git_info(self, gitdir):
          """
          Find information about the git repository, if this file is in a clone.
  
          :param gitdir: path to the git repo's .git directory
          :type gitdir: str
          :returns: information about the git clone
          :rtype: dict
          """
          res = {'remotes': None, 'tag': None, 'commit': None, 'dirty': None}
          try:
              logger.debug('opening %s as git.Repo', gitdir)
              repo = Repo(path=gitdir, search_parent_directories=False)
              res['commit'] = repo.head.commit.hexsha
              res['dirty'] = repo.is_dirty(untracked_files=True)
              res['remotes'] = {}
              for rmt in repo.remotes:
                  # each is a git.Remote
                  urls = [u for u in rmt.urls]  # generator
                  if len(urls) > 0:
                      res['remotes'][rmt.name] = urls[0]
              for tag in repo.tags:
                  # each is a git.Tag object
                  if tag.commit.hexsha == res['commit']:
                      res['tag'] = tag.name
          except Exception:
              logger.debug('Exception getting git information', exc_info=True)
          return res