[Bug 2054741] Autopkgtest regression report (dpkg/1.21.1ubuntu2.3)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted dpkg (1.21.1ubuntu2.3) for jammy have finished running.
The following regressions have been reported in tests triggered by the package:

libreoffice/1:7.3.7-0ubuntu0.22.04.4 (ppc64el)
pbuilder/0.231build1 (arm64)


Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/jammy/update_excuses.html#dpkg

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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https://bugs.launchpad.net/bugs/2054741

Title:
  dpkg-buildpackage ignores DEB_BUILD_PROFILES

Status in dpkg package in Ubuntu:
  Fix Released
Status in dpkg source package in Jammy:
  Fix Committed
Status in dpkg source package in Mantic:
  Fix Committed
Status in dpkg source package in Noble:
  Fix Released

Bug description:
  [Impact]

  DEB_BUILD_PROFILES= can be used in Debian to specify a build profile
  to use with dpkg-buildpackage. We want to use it in the systemd
  project to build the upstream packages for the Ubuntu autopkgtest
  cloud CI on Github. But in the Ubuntu's fork of dpkg,
  DEB_BUILD_PROFILES's value is ignored and unconditionally swapped with
  'noudeb'. This makes it impossible to use package-specific profiles,
  and it's a regression w.r.t Debian.

  [Fix]

  Backport patch from Noble that fixes the issue: https://code.launchpad.net/~bluca/ubuntu/+source/dpkg/+git/dpkg/+merge/461136
  and takes into account if the environment variable is set when reading the profile

  [Test]

  To reproduce it, simply print the content of DEB_BUILD_PROFILES in
  d/rules in any package and build with DEB_BUILD_PROFILES=foo dpkg-
  buildpackage. Before the fix, whatever is passed via the env var is
  ignored. After the fix, it will be respected.

  [Regression Potential]

  dpkg-buildpackage is used to build all packages, so in case of
  unforeseen issues other packages could potentially fail to build. A
  unit test exercising this change is included in the patch to minimize
  potential for regressions.

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