def revision()

in tools/workspace_status.py [0:0]


def revision():
    try:
        return subprocess.check_output(CMD).strip().decode("utf-8")
    except OSError as err:
        print('could not invoke git: %s' % err, file=sys.stderr)
        sys.exit(1)
    except subprocess.CalledProcessError as err:
        print('error using git: %s' % err, file=sys.stderr)
        sys.exit(1)