[Bug 1844634] Re: Removals keep removing dependencies if removal of a package fails

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 1.9.4

---------------
apt (1.9.4) experimental; urgency=medium

  * CMake: Pass -Werror=return-type to gcc
  * CMake: Produce a fatal error if triehash could not be found
  * apt.systemd.daily: Do not numerically check if intervals equal 0
    (LP: #1840995)
  * srvrec: Use re-entrant resolver functions
  * Pass --abort-after=1 to dpkg when using --force-depends (Closes: #935910)
    (LP: #1844634)
  * Fix use of GTest to adjust for GTest 1.9

 -- Julian Andres Klode <jak at debian.org>  Thu, 19 Sep 2019 11:13:47
+0200

** Changed in: apt (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1844634

Title:
  Removals keep removing dependencies if removal of a package fails

Status in apt package in Ubuntu:
  Fix Released
Status in apt package in Debian:
  New

Bug description:
  [Impact]

  Assuming packages A and B, with A depending on B. A has a failing
  prerm script.

  Expected behavior:
  - A fails to be removed, A and B stay unchanged
  Actual behavior:
  - A fails to be removed
  - B is still removed

  This might crash their system (e.g. if A is systemd and B is
  libsystemd0).

  [Test case]
  See Impact. An automated version of the test case (test-apt-get-remove-depends) is included and run on autopkgtest.

  [Regression potential]
  We now abort earlier in removal failures, that might be harder to recover from or not, nobody really knows.

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