[Bug 1029531] Re: cdromupgrade from Lucid to Precise failed with unmet dependencies without network connection

[Steve Langasek]

$ grep liblaunchpad-integration ../simple/precise/ubuntu-12.04-alternate-amd64.list 
/pool/main/l/launchpad-integration/liblaunchpad-integration-3.0-1_0.1.56_amd64.deb
/pool/main/l/launchpad-integration/liblaunchpad-integration-common_0.1.56_all.deb
$

liblaunchpad-integration1 isn't present on the alternate CD, so the
version seen here is the one from lucid which has a Breaks: from
liblaunchpad-integration-common.

Looking more closely at what wants liblaunchpad-integration1:

  Installing liblaunchpad-integration1 as Depends of libbrasero-media0
--> obsolete library.

apt later reconsiders libbrasero-media0 itself:

Investigating (0) libbrasero-media0 [ amd64 ] < 2.30.2-0ubuntu1.1 > ( libs )
Broken libbrasero-media0:amd64 Depends on brasero-common [ amd64 ] < 2.30.2-0ubuntu1.1 -> 3.4.1-0ubuntu1 > ( gnome ) (< 2.31)
  Considering brasero-common:amd64 10 as a solution to libbrasero-media0:amd64 -1
  Removing libbrasero-media0:amd64 rather than change brasero-common:amd64

But this happens too late to get liblaunchpad-integration-3.0-1
reconsidered.

An artificial Breaks: from liblaunchpad-integration-3.0-1 to libbrasero-
media0 might be a sufficient hammer.  I'd suggest testing with a mocked-
up Packages file that introduces such a breaks, rather than going
through an SRU cycle to test this.

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https://bugs.launchpad.net/bugs/1029531

Title:
  cdromupgrade from Lucid to Precise failed with unmet dependencies
  without network connection

Status in “update-manager” package in Ubuntu:
  New
Status in “update-manager” source package in Precise:
  Confirmed

Bug description:
  Upgrade with Precise Alternate 20120726 AMD64

  TEST CASE
  1. Install Lucid and updates
  2. Disconnect the network cable
  3. Insert Precise Alternate CD
  4. Start cdromupgrade from the root directory of the media

  ACTUAL RESULT
  Upgrader fails to calculate the upgrade.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: update-manager 1:0.134.12.1
  ProcVersionSignature: Ubuntu 2.6.32-41.94-generic 2.6.32.59+drm33.24
  Uname: Linux 2.6.32-41-generic x86_64
  Architecture: amd64
  Date: Thu Jul 26 18:04:23 2012
  GConfNonDefault:
   /apps/update-manager/check_new_release_ignore=
   /apps/update-manager/first_run=false
   /apps/update-manager/show_details=false
   /apps/update-manager/show_versions=false
   /apps/update-manager/window_size=(600,520)
  InstallationMedia: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110720.1)
  PackageArchitecture: all
  ProcEnviron:
   LANG=fr_FR.utf8
   SHELL=/bin/bash
  SourcePackage: update-manager
  VarLogDistupgradeTermlog:

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