On 06/21/2018 08:27 AM, Ulrich Mueller wrote:
> Also it should fall back to the current behaviour if "id" errors
> out for some reason.

Yes, that sort of thing should work. Thanks for the patch. I tweaked it 
a bit to make it more robust if 'id' is missing or exits with nonzero 
status or if the shell doesn't grok $(...) or the installation process 
is running without a password or group entry so the -n option fails (!), 
and installed the attached.