[Bug 1931874] Autopkgtest regression report (apt/2.2.4ubuntu0.1)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted apt (2.2.4ubuntu0.1) for hirsute have finished running.
The following regressions have been reported in tests triggered by the package:

ubuntu-advantage-tools/unknown (amd64, ppc64el, s390x, armhf)
reprotest/0.7.16 (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/hirsute/update_excuses.html#apt

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

Thank you!

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https://bugs.launchpad.net/bugs/1931874

Title:
  Failure to download packages with epochs (Regression from 2.1.15)

Status in apt package in Ubuntu:
  Fix Released
Status in apt source package in Hirsute:
  Fix Committed
Status in apt source package in Impish:
  Fix Released

Bug description:
  [Impact]
  Packages where the epoch is encoded in the filename cannot be retrieved, as we overlooked some places when changing the acquire system to always use % encoded URLs.

  [Test plan]
  A test is included in the comprehensive test suite.

  [Where problems could occur]
  Regressions could occur in places that download debs with filenames that need quoting or are already quoted. You can argue this also changes the API slightly, since ArchiveURI() now returns encoded URLs, rather than just appending the file path to the host. Although, this could actually improve things too.

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