[Bug 1778811] Re: live-build doesn't work with multi-part initrds

[Łukasz Zemczak]

Hello Adam, or anyone else affected,

Accepted live-build into trusty-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/live-
build/3.0~a57-1ubuntu11.5 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-trusty to verification-done-trusty. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-trusty. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: live-build (Ubuntu Trusty)
       Status: New => Fix Committed

** Tags added: verification-needed verification-needed-trusty

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https://bugs.launchpad.net/bugs/1778811

Title:
  live-build doesn't work with multi-part initrds

Status in live-build package in Ubuntu:
  Fix Released
Status in live-build source package in Trusty:
  Fix Committed
Status in live-build source package in Xenial:
  Fix Released
Status in live-build source package in Bionic:
  Fix Released

Bug description:
  [Impact]

  Due to attempts to treat initrds as single compressed files (both for
  recompression, and in the lesser-used codepath for hunting through the
  initrd to find a file), multi-part initrds cause live-build to fail.

  Proposed fix is to let initramfs-tools do the heavy lifting, by
  setting COMPRESS for generating initrds, and by using unmkinitramfs to
  unpack them and look around for stuff.

  [Test Case]

  A livefs build of a -proposed bionic image should generate a working
  initrd. To test this a new bionic build on cdimage should be started.
  The build should succeed and generate a working image.

  [Regression Potential]

  The initrds are empty right now so it can't get any worse than this.

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