Re: Debian's branches and release model
On 10/21/21 12:29 AM, Jeremy Stanley wrote:
> On 2021-10-20 22:51:59 +0200 (+0200), Thomas Goirand wrote:
> [...]
>> In most OpenStack projects, you cannot skip an OpenStack release,
>> at least because of the db schema upgrades.
> [...]
>
> Upstream, I want to keep pushing on what we referred to as
> "skip-level upgrades" which would be something akin to embedding
> just the routines needed to upgrade data structures for earlier
> versions into each later version. The "fast-forward upgrades" we
> worked out (where you at least don't need to start any services on
> the intermediate versions) is certainly an improvement, but not a
> desirable end state in my opinion.
>
> Granted, from a Debian perspective, this would be akin to upgrading
> from buster to bookworm without installing bullseye's packages along
> the way. Not as vast a collection of software albeit, but still
> hundreds of projects which need upgrading and need to be able to
> "skip" between arbitrary numbers of intermediate releases, so not
> trivial either.
What I don't know is how far OpenStack went for supporting skipping
releases. For example, would it work to upgrade from Rocky (in Buster)
to Victoria (in Bullseye) directly? For which projects?
Cheers,
Thomas Goirand
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