[Bug 1628085] [NEW] [SRU] Release all touch overlay PPA changes to the main archives for livecd-rootfs

[Łukasz Zemczak]

Public bug reported:

[Impact]

For the ubuntu-touch initiative development we are using the stable-phone-overlay PPA. So far we also used the same PPA to host our livecd-rootfs changes for our xenial images but we finally decided to SRU all the changes and start using the archive instead. Without these changes SRUed we are forced to do a sync re-release of livecd-rootfs to the overlay PPA every time a new xenial-updates version is released, which slows us down and is completely pointless.
The list of changes that this SRU covers:

 * Temporarily change the 60-install-click.chroot script to pull in clicks for arm64 builds from a different location for ubuntu-touch. This is a workaround we use for our arm64-experimental builds where we need to use separately built arm64 clicks, as the store only hosts armhf binaries right now.
 * Add the new dhcpd user to touch hooks introduced by latest archive changes.
 * Synced ubuntu-touch-custom changes from the vivid branch to xenial. The ubuntu-touch-custom cdimage project is a project we use to build custom re-builds of ubuntu-touch. It has exactly the same configuration as the regular ubuntu-touch project but uses separate builders and a separate export place in cdimage.

[Test Case]

No particular test case. Without these changes, xenial touch builds
would not work at all - all the touch builds so far used the very same
livecd-rootfs changes as are now proposed for the SRU.

[Regression Potential]

No regression potential, the changes should not affect anything besides
touch. And for touch, as already mentioned above, we are using these
changes in production since the release of xenial.

** Affects: livecd-rootfs (Ubuntu)
     Importance: High
     Assignee: Łukasz Zemczak (sil2100)
         Status: In Progress

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https://bugs.launchpad.net/bugs/1628085

Title:
  [SRU] Release all touch overlay PPA changes to the main archives for
  livecd-rootfs

Status in livecd-rootfs package in Ubuntu:
  In Progress

Bug description:
  [Impact]

  For the ubuntu-touch initiative development we are using the stable-phone-overlay PPA. So far we also used the same PPA to host our livecd-rootfs changes for our xenial images but we finally decided to SRU all the changes and start using the archive instead. Without these changes SRUed we are forced to do a sync re-release of livecd-rootfs to the overlay PPA every time a new xenial-updates version is released, which slows us down and is completely pointless.
  The list of changes that this SRU covers:

   * Temporarily change the 60-install-click.chroot script to pull in clicks for arm64 builds from a different location for ubuntu-touch. This is a workaround we use for our arm64-experimental builds where we need to use separately built arm64 clicks, as the store only hosts armhf binaries right now.
   * Add the new dhcpd user to touch hooks introduced by latest archive changes.
   * Synced ubuntu-touch-custom changes from the vivid branch to xenial. The ubuntu-touch-custom cdimage project is a project we use to build custom re-builds of ubuntu-touch. It has exactly the same configuration as the regular ubuntu-touch project but uses separate builders and a separate export place in cdimage.

  [Test Case]

  No particular test case. Without these changes, xenial touch builds
  would not work at all - all the touch builds so far used the very same
  livecd-rootfs changes as are now proposed for the SRU.

  [Regression Potential]

  No regression potential, the changes should not affect anything
  besides touch. And for touch, as already mentioned above, we are using
  these changes in production since the release of xenial.

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