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

[Steve Langasek]

Hello Julian, or anyone else affected,

Accepted apt into disco-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/apt/1.8.4 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-disco to verification-done-disco. If it does not fix
the bug for you, please add a comment stating that, and change the tag
to verification-failed-disco. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

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

** Tags added: verification-needed verification-needed-disco

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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 source package in Disco:
  Fix Committed
Status in apt package in Debian:
  Fix Released

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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