[Bug 1799773] Re: Accelerate the build: Drop unused checksum generation

[Launchpad Bug Tracker]

This bug was fixed in the package livecd-rootfs - 2.525.10

---------------
livecd-rootfs (2.525.10) bionic; urgency=medium

  [ Cody Shepherd ]
  * Include grub efi packages in manifests for uefi images.
    (LP: #1805190)

  [ Robert C Jennings ]
  * Disable checksum generation. (LP: #1799773)

  [Steve Langasek]
  * Fix Vcs-Bzr link.

 -- Steve Langasek <steve.langasek at ubuntu.com>  Mon, 26 Nov 2018
12:55:11 -0800

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

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https://bugs.launchpad.net/bugs/1799773

Title:
  Accelerate the build: Drop unused checksum generation

Status in livecd-rootfs package in Ubuntu:
  Fix Released
Status in livecd-rootfs source package in Xenial:
  Fix Committed
Status in livecd-rootfs source package in Bionic:
  Fix Released
Status in livecd-rootfs source package in Cosmic:
  Fix Released

Bug description:
  [Impact]

   * Image builds take time
   * Some of the time is spent computing checksums
   * Those checksums are never used
   * Time and energy is wasted
   * build/(md5|sha256)sum.txt is not used by livecd-rootfs and not exposed by launchpad-buildd

  [Test Case]

   * Build images
   * Disable checksums
   * Build images
   * Ensure image deliverables are unchanged

  [Regression Potential]

   * Someone was using the checksums outside of launchpad-buildd; because launchpad-buildd doesn't present those artifacts
   * The checksums are included beside the squashfs in live-build ISOs but none of our projects use live-build to build ISOs.

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