def short_describe():
    import os
    import subprocess
    with open(os.devnull, "r+") as devnull:
        proc = subprocess.Popen("git describe --abbrev=0",
            stdout=subprocess.PIPE,
            stderr=devnull,
            stdin=devnull,
            shell=True)
        return proc.communicate()[0].decode('utf-8').strip()[1:]

MONGO_GIT_HASH="unknown"
MONGO_VERSION=short_describe()