def git_try_describe(repo_path):
try:<EOL><INDENT>p = subprocess.Popen(['<STR_LIT>', '<STR_LIT>', '<STR_LIT>', '<STR_LIT>'],<EOL>cwd=repo_path, stdout=subprocess.PIPE,<EOL>stderr=subprocess.PIPE)<EOL>output, _ = p.communicate()<EOL><DEDENT>except:<EOL><INDENT>return None<EOL><DEDENT>else:<EOL><INDENT>if p.returncode == <NUM_LIT:0>:<EOL><INDENT>return output.strip()<EOL><DEDENT><DEDENT>return None<EOL>
Try to describe the current commit of a Git repository.

    Return a string containing a string with the commit ID and/or a base tag,
    if successful. Otherwise, return None.