Bug#693002: Bug#692979: Bug#693002: libimager-perl: breaks libimager-qrcode-perl

[gregor herrmann]

On Fri, 16 Nov 2012 23:00:49 +0200, Niko Tyni wrote:

> > Think about it this way: without versioned depends, there is nothing
> > to resolve the brokenness for users with squeeeze's libimager-perl
> > 0.75-1 that have somehow installed libimager-qrcode-perl 0.0333-1.
> FWIW, that isn't really possible as there's a major version upgrade of perl
> itself between squeeze and wheezy. The squeeze version of libimager-perl
> depends on perlapi-5.10.1, while the wheezy version of libimager-qrcode-perl
> depends on perlapi-5.14.2, and those aren't coinstallable.

Oh, that's a good point, and I've missed it so far.
Thanks!
 
> My humble opinion is that binNMUing libimager-qrcode-perl (with
> proper dep-waits) would be the minimal action too solve the RC part of
> this issue, as the sid and wheezy versions of libimager-perl have the
> same IMAGER_API_VERSION. No Breaks or versioned Build-Depends are needed
> for working upgrades from squeeze AFAICS.

Ack.
 
> If that course of action is chosen, it would be advisable to freeze
> libimager-perl in sid until the release, to ensure that any future
> builds of libimager-qrcode-perl don't get accidentally compiled
> with a wrong IMAGER_API_VERSION.

I've added a note to d/changelog in git.
 
> If we want protection for upgrades from wheezy/sid, the next smallest
> fix would need AFAICS
>  - a sourceful upload of libimager-qrcode-perl 0.033-2 that Depends
>    and Build-Depends on libimager-perl (>= 0.90+dfsg) or something like that
>  - a tpu upload of libimager-perl 0.91+dfsg-3 that Breaks
>    libimager-qrcode-perl (<< 0.033-2)

Ack.
IMO that's a slight overkill.
 
> The tpu upload could be avoided by reverting libimager-perl to
> 0.91+dfsg in sid, either with an epoch or a mangled version number
> (0.93+dfsg+is+0.91+dfsg or whatever.)

Ouch :)
 
> In any case, after the release, I think a proper dependency system
> should be implemented like in the libdbi-perl case, and appropriate
> Breaks should be added against the wheezy versions.

Totally.
 
> If there are no thinkos above (somebody please check it :),
> I think it's the release team that should make the call.

Right.
I've now filed a binNMU bug report pointing to our discussions here,
so we'll here from them, I guess.


Cheers,
gregor
 
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