"""Compatibility shim for legacy nipype metadata access."""

from . import __version__


def get_nipype_gitversion():
    """Nipype version as reported by the last commit in git

    Returns
    -------
    None or str
      Version of Nipype according to git.
    """
    import os
    import subprocess

    gitpath = os.path.realpath(os.path.join(os.path.dirname(__file__), os.path.pardir))
    gitpathgit = os.path.join(gitpath, ".git")
    if not os.path.exists(gitpathgit):
        return None

    ver = None
    try:
        o, _ = subprocess.Popen(
            "git describe", shell=True, cwd=gitpath, stdout=subprocess.PIPE
        ).communicate()
    except Exception:
        pass
    else:
        ver = o.decode().strip().split("-")[-1]
    return ver