bug#25852: Users not updating their installations of Guix

[Mark H Weaver <mhw@netris.org>]

ludo@gnu.org (Ludovic Courtès) writes:

> Mark H Weaver <mhw@netris.org> skribis:
>
>> We could simply issue a warning if the version of guix currently in use
>> is more than N hours old, on the assumption that after N hours it's
>> likely to be stale.  The default value of N might be in the range 48-96
>> (2-4 days).  A quick perusal through the recent commit log on our master
>> branch indicates that it's quite rare for 4 days to pass without a
>> security update.
>>
>> What do you think?
>
> That sounds like an easy and reasonable approach.
>
> I wonder what would be the best place to emit this warning.  Upon ‘guix
> package -i’ maybe?

Also "guix package -u" and the "guix system" commands that build
systems.  I suspect that many users run "guix pull" as their normal
users but never think to run it as root.

     Mark