Re: [gentoo-dev] RFC: Userkit.eclass

[William L. Thomson Jr.]

On Wednesday, November 30, 2016 8:54:42 AM EST Michał Górny wrote:
> On Tue, 29 Nov 2016 18:13:29 -0500
>
> "William L. Thomson Jr." <wlt-ml@××××××.com> wrote:
>>
> > I think you mean enewgroup and enewuser
>
> FYI, enew* functions handle UID/GID collisions gracefully, and just
> fallback to using next free UID/GID.

I would disagree with such and some what makes specifying a UID/GID pointless 
if it simply will use the next available in the event of a collision. Which 
available likely comes from the default allocation range > 500 or 1000. If 
system and was intended to be below that, not really ideal.
 
> I'm not sure if you're aware that but most of tools doing backups
> actually use usernames/group names. So does new enough tar. So does
> ssh.

tar can map users and groups via file, but why waste the time with such?

> Are you specifically using some obsolete or braindead tools to prove
> your point? If you don't sync UIDs/GIDs properly, then you don't use
> them when moving data across systems. Simple as that.

I start with consistent base images and have the same uid/gid all on all so 
syncing is not needed. Nor do I need to deal with it during restoration.

> The only thing that you could worry about then are missing users/groups
> on the target system. But then, so far none of your talk solved that
> problem.

A problem that should not exist with a proper setup.

-- 
William L. Thomson Jr.