[Bug 1550741] Re: Upgrade failed - unauthenticated package (module-init-tools)

[David Kalnischkies]

(as I was asked to have a look – only reviewing based on comments and
code in this bug through)

I guess setting the state explicit here is okay, I wonder why the
package hasn't any state through – isn't that kinda normal for a package
not touched at all? I also think it is wrong that .get_changes() returns
packages in "non-interesting" states as those are clearly not changes.

Basic sanity checking might be in order here to catch such issues in the
future as e.g. a package from archive "now" (which is the designation
for a package in the dpkg/status file) can realistically only be
removed.

APT has the test-bug-735967-lib32-to-i386-unavailable testcase which
produces such a situation, the heisenstate doesn't seem to interest apt
through and can't be easily observed. Maybe the tests should be extended
to be able to call python – the ability could be handy as a CI test in
general.

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https://bugs.launchpad.net/bugs/1550741

Title:
  Upgrade failed - unauthenticated package (module-init-tools)

Status in apt package in Ubuntu:
  Confirmed
Status in module-init-tools package in Ubuntu:
  Confirmed
Status in ubuntu-release-upgrader package in Ubuntu:
  Confirmed

Bug description:
  Upgrading an updated (+ hwe) 14.04 to 16.04 fails on module-init-tools
  being unauthentiated

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 4.2.0-30.36~14.04.1-generic 4.2.8-ckt3
  Uname: Linux 4.2.0-30-generic i686
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: i386
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Sat Feb 27 15:46:12 2016
  InstallationDate: Installed on 2016-02-27 (0 days ago)
  InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140416.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-02-27 (0 days ago)
  VarLogDistupgradeTermlog:

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