raingloom schreef op wo 01-06-2022 om 22:41 [+0200]:
> Could we instead check for existing homes and set uids in
> /etc/passwd based on that instead? That's practically O(1), but is a
> bit more involved.

For this to work, the home directory may not be changed.  As Ludo wrote
(albeit about user names, not home directories):

> How do you know that user “maxime” created today is “the same” as
> that “maxime” deleted a while back?  You can’t.

Maybe it's an option, but there are other complications as well that
need to be resolved somehow.