[Bug 2032586] Re: [3.0][bug] Missing a 'grub-install' settings for classic image

[Paul Mars]

@laiderlai based on your image definition and the log file I see grub-pc
is not installed in the image. This package provides the missing script
and is needed when building an amd64 image.

When implementing the fix it was decided to let users provide the needed
packages instead of ubuntu-image deciding what packages must be added to
then run `grub-install`.

I cannot reproduce with the image definition you provided without
heavily modifying it. I do not have access to some of your projects on
launchpad, preventing from successfully executing the build script of
iot-image-builds. If my suggested solution is not working, can you
provide a simplified version of your image definition?

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https://bugs.launchpad.net/bugs/2032586

Title:
  [3.0][bug] Missing a 'grub-install' settings for classic image

Status in Ubuntu Image:
  Fix Committed

Bug description:
  Hi,

  We found if the classic image, which is generated by ubuntu-image 3.0,
  uses grub-efi as its boot assets, the classic environment can't update
  its shim.efi and grub.efi files correctly by "sudo apt upgrade".

  Because its grub Debian package manifest settings are not correct.
  Please reference the description from livecd-rootfs: https://git.launchpad.net/ubuntu/+source/livecd-rootfs/tree/live-build/buildd/hooks/02-disk-image-uefi.binary?h=applied/ubuntu/jammy-devel#n101

  Could ubuntu-image 3.0 support to setup correct grub Debian package
  manifest?

  [Reproduce steps]
  1. Build an amd64 classic image that uses grub-efi boot assets
  2. Bootup image and make sure there is a newer shim-signed and grub-efi-amd64-signed
  3. "sudo apt update" and "sudo apt upgrade" to update newer shim-signed and grub-efi-amd64-signed
  4. Check the checksum result for /boot/efi/EFI/ubuntu/shimx64.efi and grubx64.efi
  5. The checksum result still the old version, not newer version

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