Hi, zimoun <zimon.touto...@gmail.com> skribis:
> On Wed, 31 Aug 2022 at 13:06, Ludovic Courtès <l...@gnu.org> wrote: > >> I fixed it in 67a6828b2bb821274757f686f7c685b664339a96 using the same >> trick as earlier. > > It means version 3 is used all the time, right? Yes. > Well, I miss when or where version 4 is used then. Generations that were created with a slightly older Guix have a version-4 manifest. > From my understanding, set #:format-version to 3 should only be > considered when <hash> is a parent/ancestor of current commit in > ’--commit=<hash>’. Here #:format-version 3 is unconditional. That avoids having to make assumptions about whether or not the target commit understands newer format versions. But you’re right: a refinement would be to use version 3 only when targeting an ancestor. I don’t think it’s worth the trouble though. > Well, I do not remember all the discussion about --allow-downgrades. > For instance, why is > > $ guix pull --commit=6f75565b -p /tmp/test > > not complaining about downgrade? Because it is a downgrade. :-) Whether it’s a downgrade depends on what’s in /tmp/test when you run it. Thanks, Ludo’.
