On Sun, Jul 07, 2019 at 03:54:04PM +0200, Axel Beckert wrote:
> I hope that Manuel (CCc'ed) can provide a fix which we then can also
> apply to aptitude in Buster in the first minor update which is
> expected in about a month.
It was two years ago, so my memory was spotty, but now that I am looking
into extending the reporting let me add some implementation hints:
(Note that this is against apt/master which has some API changes, but in
that case that means ABI-compat classes where folded into another, so
backports should be rather trivial – adding virtual methods is ABI
breaking, so in buster the class to derive from has the creative name
pkgAcquireStatus2 as it is itself derived from pkgAcquireStatus)
libapt has a pkgAcquireStatus class which gained a new virtual method:
ReleaseInfoChanges – kinda similar to the existing MediaChange. aptitude
subclasses this a few times, just pick the right one I guess.
See apt{,-get}s implementation:
https://salsa.debian.org/apt-team/apt/blob/master/apt-private/acqprogress.cc#L334
I guess you want to work directly with the parameter
std::vector & rather than do the trickery to
make "proper" apt error messages out of it and then print them directly
by wrap-calling the default implementation I did there – aka it is
probably simpler for you.
See the doc for the struct in the method in the header:
https://salsa.debian.org/apt-team/apt/blob/master/apt-pkg/acquire.h#L797
And the code generating the messages you can reuse via the struct:
https://salsa.debian.org/apt-team/apt/blob/master/apt-pkg/acquire-item.cc#L1806
If I could make a wish I would suggest featuring the messages which
don't need confirmation (in apt N: lines) not too prominently – as in
don't make them a popup dialog with an OK button (while the other type
is a popup dialog with yes and no buttons).
I can't speak for aptitude folks and I am not too good with aptitude
code, but if I would be that might be a good bug for tagging +newcomer.
Happy to help in case there are {lib,}apt questions in any case – although
I have insane reply delays currently.
Best regards
David "breaking the world one feature at a time" Kalnischkies
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