gitpath v2

"""gitpath v2, modified
Copyright (c) 2017 github.com/ruxi
Copyright (c) 2015 Maximilian Nöthe
Licensed under the MIT
"""

import subprocess
import os.path
def gitpath(chdir = False):
    """change dirpath to git root directory, or use-rdefined path
    chdir: False (default) or True / dirpath
    """
    try:
        path = subprocess.check_output(['git', 'rev-parse', '--show-toplevel'])
        path = os.path.abspath(path.decode('utf-8').strip())
    
    except Exception:
        path = False
        print('Unexcepted exception', Exception)
    
    if not path:
        path = os.path.abspath(chdir)
        print('not an git repo')
        
    if os.path.exists(path):
        if chdir:
            os.chdir(path)
            print('path changed')
    return path