[Bug 1827426] Re: ubuntu-cpc: parallel build targets produce different root FS output

[Launchpad Bug Tracker]

This bug was fixed in the package livecd-rootfs - 2.578.4

---------------
livecd-rootfs (2.578.4) disco; urgency=medium

  [ Robert C Jennings ]
  * magic-proxy: Send headers on error (LP: #1829944)

livecd-rootfs (2.578.3) disco; urgency=medium

  [ Robert C Jennings ]
  * ubuntu-cpc: Ensure base disk image is the same between all build targets
    (LP: #1827426)

 -- Steve Langasek <steve.langasek at ubuntu.com>  Thu, 23 May 2019
13:33:40 -0700

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

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https://bugs.launchpad.net/bugs/1827426

Title:
  ubuntu-cpc: parallel build targets produce different root FS output

Status in livecd-rootfs package in Ubuntu:
  New
Status in livecd-rootfs source package in Disco:
  Fix Released

Bug description:
  [Impact]

  The following targets have livecd.ubuntu-cpc.manifest (and
  livecd.ubuntu-cpc.ext4) which differ in some way from the 'all'
  target. They are all missing grub-efi and other modifications:

  root-dir
  squashfs
  tarball

  These targets do not depend on the 'disk-image' target. This means that
  the ext4 produced will lack the uefi modifications (and any from the
  disk-image target binary hooks).

  Since the ext4 file is common to all builds there is a chance that a
  parallel build from one of these targets could mistakenly be used.

  [Test Case]

  A build of each of the above mentioned image targets must produce a
  root filesystem that is the same as the 'disk-image' or 'all' target.

  [Regression Potential]

  None.  Image targets are not yet in use in production for the ubuntu-cpc project and the changes do not affect builds without specification of an
  image target.

  [Other Info]

  This is blocking backporting of image parallelization to the rest of our
  supported releases (and consumption of the feature overall) making it
  a high priority for us to see these in place.

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