[Bug 1068591] Re: release upgrade should deactivate /etc/apt/preferences*

[Brian Murray]

** Changed in: ubuntu-release-upgrader (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1068591

Title:
  release upgrade should deactivate /etc/apt/preferences*

Status in “ubuntu-release-upgrader” package in Ubuntu:
  New

Bug description:
  The Ubuntu release upgrader should deactivate any apt-pinning definded
  in /etc/apt/preferences or /etc/apt/preferences.d/* and notify the
  user when doing so. A similar behaviour is already the case when
  external (PPA) sources are deactivated.

  Otherwise, some random irritating error will be shown which does not
  show the origin of the problem. In my case: "kubuntu-netbook cannot be
  installed".

  I use apt-pinning a lot and I know what I am doing. But when
  upgrading, I usually forget that I have pinned packages or sources and
  it takes me some time to find out what's wrong. It would just be nice
  to warn the user and/or deactivate the pinning in
  /etc/apt/preferences/*

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubuntu-release-upgrader-core (not installed)
  ProcVersionSignature: Ubuntu 3.2.0-32.51~ppa1-generic-tuxonice 3.2.30
  Uname: Linux 3.2.0-32-generic-tuxonice x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu14
  Architecture: amd64
  Date: Fri Oct 19 13:38:00 2012
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
  ProcEnviron:
   LANGUAGE=de_AT:de:en_US:en
   TERM=xterm
   PATH=(custom, user)
   LANG=de_AT.utf8
   SHELL=/bin/zsh
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to precise on 2012-10-19 (0 days ago)

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