Bug#943380: perl 'control' autopkgtest fails in testing because libextutils-parsexs-perl not in testing

[Steve Langasek]

Source: perl
Version: 5.30.0-7
User: ubuntu-devel at lists.ubuntu.com
Usertags: origin-ubuntu focal

Dear maintainers,

The perl autopkgtest passes in unstable, but consistently fails in testing
and will continue to do so:

autopkgtest [06:39:56]: test control: prove debian/t/control.t
autopkgtest [06:39:56]: test control: [-----------------------

#   Failed test 'Breaks for libextutils-parsexs-perl in perl-modules-5.30 matches Module::CoreList for ExtUtils::ParseXS'
#   at debian/t/control.t line 219.
#          got: '3.400000'
#     expected: '3.40'
# s/libextutils-parsexs-perl (<< 3.400000)/libextutils-parsexs-perl (<< 3.40)/
# s/libextutils-parsexs-perl (= 3.400000)/libextutils-parsexs-perl (= 3.40)/
# Looks like you failed 1 test of 452.
debian/t/control.t .. 
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/452 subtests 
        (less 113 skipped subtests: 338 okay)

  (https://ci.debian.net/packages/p/perl/testing/amd64/)

This test fails because debian/t/control.t relies on finding an existing
package in the archive in order to figure out how far to zero-extend the
version number that's provided by the upstream source data, before comparing
with the contents of debian/control.

However, libextutils-parsexs-perl is not in testing /precisely because/ only
an older version is available in the archive which is broken by current perl
(bug #912682).  The test still passes in unstable, but at some point it may
start to fail there also if the libextutils-parsexs-perl is removed from the
archive.

Regardless, this is an unreliable test because it depends on the state of
packages in the archive which are not (test,build,runtime) dependencies of
perl.  It looks like the release team may have overridden this failure once
in order to let perl 5.30.0-7 migrate into testing, but this really ought to
be resolved.

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                   https://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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