[Bug 1098512] Re: Build 12.04.2 images with X enablement (lts-quantal) stack

[Launchpad Bug Tracker]

This bug was fixed in the package livecd-rootfs - 2.65.9

---------------
livecd-rootfs (2.65.9) precise; urgency=low

  * Add xserver-xorg-lts-quantal to Mythbuntu amd64/i386 as well.

livecd-rootfs (2.65.8) precise; urgency=low

  * live-build/auto/config:
    - Add some manual hints to work around slightly different dependency
      resolution for metapackages vs. tasks.
    - Use kernel and X enablement stacks for Mythbuntu amd64/i386 too.

livecd-rootfs (2.65.7) precise; urgency=low

  * live-build/auto/config: Build Ubuntu and Edubuntu images with X
    enablement stack on amd64 and i386 (LP: #1098512).  Note that this
    requires switching those images to be built largely using metapackages
    rather than tasks.
 -- Colin Watson <cjwatson at ubuntu.com>   Tue, 15 Jan 2013 18:00:15 +0000

** Changed in: livecd-rootfs (Ubuntu Precise)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1098512

Title:
  Build 12.04.2 images with X enablement (lts-quantal) stack

Status in “livecd-rootfs” package in Ubuntu:
  Invalid
Status in “livecd-rootfs” source package in Precise:
  Fix Released

Bug description:
  [Impact] We have committed to delivering the X enablement stack by default for 12.04.2.
  [Test Case] Install system with old images and take a copy of /var/lib/apt/ (primarily extended_states).  Install system with new images.  Check that the X enablement stack is installed.  Get a package management expert from Foundations to compare /var/lib/apt/extended_states before and after and check that any changes in auto-installed states are acceptable.
  [Regression Potential] Aside from any possible X regressions, which I think are principally the responsibility of the (separately SRUed) X changes rather than this one, the main possible source of regressions from this change would be changes in auto-installed states.  See below.

  For 12.04.2, we need to build desktop images with the X lts-quantal
  stack in cases where they are already being built with the lts-quantal
  kernel (i.e. ubuntu, ubuntu-dvd, edubuntu, and edubuntu-dvd).  This
  involves installing xserver-xorg-lts-quantal rather than xserver-xorg.

  Unfortunately there is no non-invasive way to do this as far as I've
  been able to tell, because at present we can't regenerate tasks for
  stable releases - or, at least, if we do so there's no way to *remove*
  xserver-xorg and friends from the task.  The only way to do this while
  still using tasks is to install the task and then install xserver-
  xorg-lts-quantal over the top, thereby removing xserver-xorg and
  friends.  Not only is this extremely painful to arrange with the
  version of live-build in precise, but it would likely also result in
  significant amounts of library cruft remaining in the image.  Removing
  that would entail a considerable amount of unmaintainable hardcoding.

  Thus, with some regret, the only idea I have is to switch the images
  in question to install metapackages rather than tasks.  This carries
  some risk because it may cause apt to have a different idea of which
  packages are auto-installed, and thus potentially cause problems for
  future upgrades.  We'll simply need to keep a close eye on the results
  and make sure any changes in apt's extended states are acceptable.

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