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Re: Urgent call to BioPerl users (Was: Bug#848236: src:gbrowse: Fails to build from source since bioperl upgrade has broken libbio-graphics-perl)



Hi Carnë,

On Fri, Dec 16, 2016 at 11:38:02AM +0000, Carnë Draug wrote:
> >> The cause is most probably that libbio-graphics-perl does not work
> >> together with bioperl 1.7.1 (see also #848105).  I'm now becoming aware
> >> that with the naive upgrade to bioperl 1.7.1 we have triggered problems
> >> that should have solved inside a transition via experimental.  My
> >> proposed course of action is as follows:
> >>
> >>   1. Revert the version bump of bioperl and upload the old version
> >>      with an epoch (1:1.6.924-6).
> >>   2. Upload 1.7.1-2 to experimental
> >>   3. Solve all issues with BioPerl 1.7.x after Stretch release.
> >>
> >> Does anybody have a better plan?
> >
> > Hi,
> >
> > this is a very *urgent* call to all BioPerl users to raise their
> > opinion.  To verify what else might be broken by the new BioPerl I
> > tested its rdepends.  I stumbled upon bioperl-run which is making
> > heavy use of
> >
> >     /usr/share/perl5/Bio/Tools/Run/WrapperBase.pm
> >
> > which is also removed from latest BioPerl.  So bioperl-run is broken as
> > well and even if we would manage to solve the issue with gbrowse I'm
> > afraid we are opening a can of worms when keeping bioperl 1.7.1.  So
> > this is a serious and urgent call either for help or to confirm my plan
> > I mentioned below to revert bioperl to the old and tested version.
> >
> > If I do not hear anything I'll do the revert on Saturday or latest
> > Sunday.
> 
> Bioperl is a massive collection of perl modules that grew unmaintainable.
> The proposed solution (upstream) for this was that bioperl would be split
> into smaller more manageble distributions.

I confirm that this is most probably a sensible plan by bioperl upstream.

> For example, there is now
> bio-biblio, bio-eutilities, and bio-coordinates which were previously part
> of bioperl itself.  The core bioperl is now the bioperl-live distribution.

I guess we could document this in README.Debian since I personally do
not see a reason to rename the Debian package from bioperl to
bioperl-live.  Do you think keeping the old name would be confusing for
insiders?
 
> This may cause issues for other packages in Debian because in Debian they
> are dependent on bioperl package instead of being dependent on a specific
> perl module.

Yes, obviously - that situation has triggered my urgent call. :-)

> Even more trouble because the new perl distributions are not
> yet packaged in Debian at all.

Without having checked I do not think that packaging these modules would
create severe problems.

> Another issue is that some of them are not
> even officially released.
> 
> There is at least one very important fix on the new bioperl which fixes
> the connection to the NCBI servers (although the fix is simple enough
> that could be backported).

A backport of this fix would be helpful if we really decide to revert
the upgrade.

> Other reason in favour of upgrading is that
> bioperl-live is tricky to install and the main dependency of the other
> bioperl distributions.  Any user wanting to install the other packages
> could probably handle their installation from CPAN but would be nice if
> Debian supplied bioperl-live as a foundation for that.

So we now have two possible options to proceede:

My original proposal:

   1. Revert the version bump of bioperl and upload the old version
      with an epoch (1:1.6.924-6).
   2. Upload 1.7.1-2 to experimental
   3. Solve all issues with BioPerl 1.7.x after Stretch release.
   4. Backport 1.7.x to Stretch once issues are solved.

Keeping bioperl 1.7.1 and rather drop other packages:

   1. Keep bioperl 1.7.1
   2. Drop gbrowse and bioperl-run from Stretch
   3. Check all rdepends of bioperl whether they work with 1.7.1:

$ apt-cache rdepends bioperl | grep "^ " | sort | uniq | grep -v -e alien-hunter -e libbio-perl-perl -e med-
  arb
  bioperl-run
  gbrowse
  iva
  libbio-graphics-perl
  libchado-perl
  libgo-perl
  libtfbs-perl
  ncbi-epcr
  predictprotein
  roary
  velvetoptimiser

      What we definitely know is that bioperl-run, gbrowse and
      libbio-graphics-perl are failing.  I've just checked the
      successfull build of alien-hunter and added a successfull
      autopkgtest.
   4. Package as many as the needed tools as we might be able to.


I admit I'm personally unbiased what option to choose.  Based on
popcon it might make sense do keep BioPerl up to date and live
with the fact that other packages will not make it into Stretch
(and might be backported later).  We should include in our
considerations that realistically only one week for action is
left (to get new packages in).

Any opinions what way to go?

Kind regards

       Andreas.

PS: What I'm personally wondering:  If we have so many BioPerl
    users that are relying on up to date BioPerl why did they
    wait until I as a non-BioPerl user by chance stumbled upon
    the new version.  Why is the culture of filing bug reports
    "New version available" that badly established?

-- 
http://fam-tille.de


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