ash: rm -f can fail

[Bastian Bittorf]

* Laurent Bercot <ska-dietlibc at skarnet.org> [13.08.2015 13:56]:
>  Most likely a race. It's impossible to atomically remove
> a directory with Unix.
> 
>  (There's a way to emulate that: first rename() the directory
> to something unique and unpredictable, then rm -rf that
> directory. But AFAIK, no rm implementation proceeds like this,
> and there's still a small risk that it won't work.)

thank you - that sounds clear to me.

bye, bastian