On the date: the chrono computation sounds right to me too, and I have no
preference between truncating 02-29 to 02-28 and extending it.

One thing that outlives whichever lands. In my rows sqv exits 1 when the
policy rejects a signature and 2 on a usage error, and the year-ahead
pass does not separate them -- both arrive as a policy rejection and warn
on every repository. The leap day is one way to reach exit 2 there; any
other usage-level failure in that pass would look the same. Is separating
them worth doing?

Christian Ramos
Norte Software
[email protected]

El lun, 12 oct 2026 a la(s) 1:15 p.m., Julian Andres Klode
([email protected]) escribió:
>
> On Thu, Oct 08, 2026 at 09:14:23AM +0200, David Kalnischkies wrote:
> > Hi,
> >
> > that is an interesting find!
> > (And some sad code)
> >
> > Am Wed, Oct 07, 2026 at 11:47:19PM -0600, schrieb Christian Noé Ramos López:
> > > Two things would avoid it: computing the date with a calendar, or
> > > passing "+1y", which sqv accepts as an offset (--policy-as-of +1y
> > > exits 0 here).
> >
> > The former should be relatively easy (as far as dates are concerned)
> > with what is available via <chrono> in C++20 and above (nowadays).
> >
> >
> > The second option seems (at least for now) to be a usage error itself
> > as the documentation (sqv manpage) for --policy-as-of says
> > | The time is expressed as an ISO 8601 formatted timestamp.
> >
> > And earlier it expressed in general:
> > | The TIMESTAMPs must be given in ISO 8601 format
> >
> > I presume that +1y works stems from --time which says:
> > | Set the reference time as an ISO 8601 formatted timestamp or
> > | relative offset. […] This time is also used as the default
> > | value for --not-after and --policy-as-of […]
> >
> > "relative offset" does not seem defined through.
> >
> > Aside: I /suppose/ "PY1" would be a valid ISO 8601 (duration),
> > but I haven't dared to try how sqv would react.
> >
> >
> > Maybe its just me, but I would prefer the former (even if documentation
> > of sqv is changed) as the wording --policy-as-of highly suggests an
> > exact date for me… even if I realize as of 5 seconds later that this
> > might be a valid way of speaking, too.
>
> Yes we actually want to use midnight here. I'm not sure if the best
> approach is to the the 1 year from now or to truncate the day field
> until it produces a valid date, such that 02-29 truncates to 02-28
> rather than extends to 03-01 (semantically preserving the end of
> month).
>
> I guess it's easier though to do the chrono change and perhaps
> that's what we should do yeah.
> --
> debian developer - deb.li/jak | jak-linux.org - free software dev
> ubuntu core developer                              i speak de, en



-- 
Christian Ramos
Director general · Norte Software
[email protected]
 +52 9671456444
nortesoftware.dev
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