[Bug 1166568] Re: [update-manager-core] do-release-upgrade removing pinned / locked version packages

[B Bobo]

Thank you for explaining that.

It is sad and ironic that synaptic was deliberately changed (according
to comment#1 at
https://bugs.launchpad.net/ubuntu/+source/synaptic/+bug/42178#bug-
branches-container) to use /var/lib/synaptic/preferences instead of the
global preferences file /etc/apt/preferences

I think synaptic is actually more confusing because of that change! I
agree with what you wrote on the bug report. I too would like to see the
2004 change reverted, so that synaptic uses the global preferences file
in future.

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https://bugs.launchpad.net/bugs/1166568

Title:
  [update-manager-core] do-release-upgrade removing pinned / locked
  version packages

Status in “apt” package in Ubuntu:
  New
Status in “update-manager-core” package in Ubuntu:
  New

Bug description:
  I want to upgrade Ubuntu, but do-release-upgrade removes even locked-
  version packages. The problem is certain packages, e.g. harpia and
  shogun-octave, no longer exist in recent Ubuntu versions. I need those
  packages. This makes upgrading impossible.

  $ lsb_release -d
  Ubuntu 12.04.2 LTS

  $ do-release-upgrade -d
  raring.tar.gz

  Packages to be removed: [...] harpia shogun-octave

  Packages to be installed: [... harpia and shogun-octave not listed
  ...]

  Packages to be upgraded: [... harpia and shogun-octave not listed ...]

  I think packages with locked versions and their dependencies should be
  left alone during an upgrade.

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