安装过程无误，也单独安装了bindfs:
$brew list
bindfs docker openssl python sqlite
boot2docker gdbm pkg-config readline
在执行备份时，报错：
$ sudo gistore commit backup.git/
04-14 12:01:53 CRITICAL Exception caught abort:
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/gistore-0.3.2-py2.7.egg/gistore/main.py", line 258, in do_commit
GistoreCmd.gistobj.mount()
File "/Library/Python/2.7/site-packages/gistore-0.3.2-py2.7.egg/gistore/api.py", line 314, in mount
os.mknod(target, 0644)
OSError: [Errno 22] Invalid argument
04-14 12:01:53 WARNING Doing cleanups...
先记录下，慢慢找原因
MacOS: 10.3.3