[Bug 2012750] Re: flash-kernel breaks when locally built RPI kernels are installed.

[satmandu]

The problem is I suspect this change to the functions file between
flash-kernel_3.106ubuntu8.1 and flash-kernel_3.106ubuntu14, as this is
where the "dpkg-query: no packages found matching" error comes from.

+get_kernel_status() {
+	# get_kernel_status(query_ver)
+	# return the dpkg package status of kernel version $query_ver
+	local query_ver="$1"
+	local ver path pkg
+	linux-version list --paths | while read -r ver path; do
+		if linux-version compare "$ver" eq "$query_ver"; then
+			pkg=$(
+				LANG=C.UTF-8 dpkg-query --search "$path" 2>/dev/null |
+				awk -F ": " -v path="$path" '$2==path { print $1; }'
+			)
+			LANG=C.UTF-8 dpkg-query --show --showformat '${db:Status-Status}' "$pkg"
+			break
+		fi
+	done
+}
+

I will debug more, but this is what I see:
linux-version list --paths | while read -r ver path; do echo $ver $path ; done
6.1.12-v8+ /boot/vmlinuz-6.1.12-v8+
6.1.13-v8+ /boot/vmlinuz-6.1.13-v8+
6.1.14-v8+ /boot/vmlinuz-6.1.14-v8+
6.1.16-v8+ /boot/vmlinuz-6.1.16-v8+
6.1.19-v8+ /boot/vmlinuz-6.1.19-v8+
6.1.20-v8+ /boot/vmlinuz-6.1.20-v8+
6.1.21-v8+ /boot/vmlinuz-6.1.21-v8+
6.1.23-v8+ /boot/vmlinuz-6.1.23-v8+

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https://bugs.launchpad.net/bugs/2012750

Title:
  flash-kernel breaks when locally built RPI kernels are installed.

Status in flash-kernel package in Ubuntu:
  Incomplete

Bug description:
  I have been repackaging the Raspberry Pi Foundation's official kernels
  for some time with this script:

  https://gist.github.com/satmandu/a507c59d84737f6d29ff353395819d51

  I could always install these kernels before and have flash-kernel not
  break.

  The updates to flash-kernel in lunar cause it to fail, with a "dpkg-
  query: no packages found matching" message.

  What's the best way to handle this? The kernel packages always end up
  built with naming such as linux-headers-6.1.20-v8+_all.deb and linux-
  image-6.1.20-v8+_arm64.deb.

  I use this in /etc/flash-kernel/db:
  # To override fields include the Machine field and the fields you wish to
  # override.
  #
  # e.g. to override Boot-Device on the Dreamplug to sdb rather than sda
  #
  #Machine: Globalscale Technologies Dreamplug
  #Boot-Device: /dev/sdb1
  Machine: Raspberry Pi 4 Model B
  Machine: Raspberry Pi 4 Model B Rev 1.1
  Machine: Raspberry Pi 4 Model B Rev 1.2
  Machine: Raspberry Pi 4 Model B Rev 1.4
  Machine: Raspberry Pi Compute Module 4 Rev 1.0
  Machine: Raspberry Pi 400 Rev 1.0
  Machine: Raspberry Pi 400 Rev 1.1
  Machine: Raspberry Pi *
  Kernel-Flavors: any
  #Method: pi
  #DTB-Id: bcm2711-rpi-4-b.dtb
  #U-Boot-Script-Name: bootscr.rpi
  #Required-Packages: u-boot-tools

  ProblemType: Bug
  DistroRelease: Ubuntu 23.04
  Package: flash-kernel 3.106ubuntu14
  Uname: Linux 6.1.20-v8+ aarch64
  ApportVersion: 2.26.0-0ubuntu2
  Architecture: arm64
  CasperMD5CheckResult: unknown
  Date: Fri Mar 24 11:55:21 2023
  ImageMediaBuild: 20211013
  ProcEnviron:
   LANG=C.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=screen.xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: flash-kernel
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.flash-kernel.db: 2022-03-29T10:53:48.654542

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