[Bug 1995247] Autopkgtest regression report (apt/2.4.9)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted apt (2.4.9) for jammy have finished running.
The following regressions have been reported in tests triggered by the package:

apport/2.20.11-0ubuntu82.3 (armhf, arm64, amd64)


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#apt

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

Thank you!

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https://bugs.launchpad.net/bugs/1995247

Title:
  Leftover /tmp/apt-key.* files after updates with embedded gpg keys in
  deb822 sources

Status in apt package in Ubuntu:
  Fix Released
Status in apt source package in Jammy:
  Fix Committed
Status in apt source package in Kinetic:
  Fix Committed
Status in apt source package in Lunar:
  Fix Released

Bug description:
  [Impact]
  When keys are embedded into deb822 sources files as Signed-By, apt writes them to a temporary file, but the code to delete them accidentally had an if (0) in front of the deletion, so they don't get deleted and accumulate with each `apt update` run.

  [Test plan]
  Including a test case for this in our comprehensive integration test suite which runs as autopkgtest, so passing autopkgtest = good.

  [Where problems could occur]
  Files could end up being removed too soon if the code is otherwise wrong?

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