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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 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