Re: [Qemu-devel] release retrospective, next release timing, numbering

[Daniel P . Berrangé]

On Thu, May 03, 2018 at 04:06:19PM +0200, Thomas Huth wrote:
> On 03.05.2018 15:43, Gerd Hoffmann wrote:
> > On Thu, May 03, 2018 at 10:26:40AM +0100, Peter Maydell wrote:
> >> On 3 May 2018 at 10:07, Daniel P. Berrangé <address@hidden> wrote:
> >>> On Thu, May 03, 2018 at 08:21:00AM +0100, Stefan Hajnoczi wrote:
> >>>> I don't see an issue with time-based numbering schemes.  Ubuntu made it
> >>>> popular and other projects (like DPDK) are doing the same thing now.
> >>>>
> >>>> The convention is YY.MM though, not YYMM.
> >>>
> >>> It feels like we've got quite a strong backing for time based versioning
> >>> amongst people replying here. I'd be happy with YY.MM
> >>
> >> I'm not hugely in favour mostly because I don't much like
> >> changing version numbering formats -- does it really gain
> >> us anything? But I guess it's a bit of a bikeshed-colour question.
> > 
> > Well, major/minor numbers don't mean anything.  So I think it makes
> > sense to give them a meaning, and given we do time-based releases it
> > surely makes sense to use a time-based scheme.  Major indicating the
> > year is the obvious and common choice here.  Various variants are in
> > use:
> > 
> >   (a) major equals year, minor equals month (ubuntu style).
> >   (b) major equals year, minor counts up (mesa style).
> >   (c) major is bumped each year, but doesn't equal year (libvirt style).
> > 
> > If we don't want give them a meaning, how about:
> > 
> >   (d) just drop the minor and count up major each release (systemd style)?
> > 
> > My personal preference would be (a) or (b), because it is easy to see
> > when a version was released.  (b) looks more like a classic version
> > number, we would have 18.0, 18.1, ... instead of 18.04, 18.08, ...
> 
> I'd really would like to avoid variant (a) ... otherwise people will
> confuse 18.1.1 and 18.11 (aka. 18.11.0) again...

We could keep major == year, minor == nth release of $year. eg 18.1,
18.2, 18.3 for the 1st, 2nd and 3rd releases of 2018. Still makes it
fairly clear what timeframe each was released in, without having to
follow month numbers.


Regards,
Daniel
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