## start time: Wed Apr  5 11:31:32 EDT 2023
## linux-purge version: 1.0.161-3976ce0
## options:  -d '' -s -c --
## OS: Ubuntu Lunar Lobster (development branch)
## awk executable: /usr/bin/gawk
## awk version:
GNU Awk 5.2.1, API 3.2, PMA Avon 8-g1, (GNU MPFR 4.2.0, GNU MP 6.2.1)
Copyright (C) 1989, 1991-2022 Free Software Foundation.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/.
## linux packages:
ii  linux-base
ii  linux-compiler-gcc-11-x86
ii  linux-firmware
un  linux-firmware-raspi2
un  linux-firmware-snapdragon
un  linux-headers
ii  linux-headers-6.1.3
ii  linux-headers-6.2.1
ii  linux-headers-6.2.3
ii  linux-headers-6.2.5
ii  linux-headers-6.2.7
ii  linux-headers-6.2.9
un  linux-headers-686-pae
un  linux-headers-amd64
un  linux-headers-generic
ii  linux-image-6.1.3
ii  linux-image-6.2.1
ii  linux-image-6.2.3
ii  linux-image-6.2.5
ii  linux-image-6.2.7
ii  linux-image-6.2.9
un  linux-initramfs-tool
un  linux-kernel-headers
un  linux-kernel-headers-mips-cross
un  linux-kernel-log-daemon
ii  linux-libc-dev
ii  linux-libc-dev-mips-cross
un  linux-libc-dev-mips-dcv1
un  linux-restricted-common
ii  linux-sound-base
ii  linux-tools-common

## trace and output:
+ debug() 147: operate
++ debug() 147: tee -ia -- /dev/shm/linux-purge.debug_rYD
+ operate() 961: [[ -n '' ]]
+ operate() 962: [[ -n '' ]]
+ operate() 965: purge_normally
+ purge_normally() 795: local Pkgs Releases ReleasesToKeep LatestReleases HoldReleases ManualReleases release Items ReleasesToPurge KeepRegex version PkgsToPurge locked version minus_flavour
+ purge_normally() 798: (( no_booted ))
++ purge_normally() 801: dpkg-query -W '-f=${Package} ${db:Status-Abbrev}\n'
++ debug() 147: tee -ia -- /dev/shm/linux-purge.debug_rYD
+++ purge_normally() 801: literalize 6.2.9
+++ literalize() 264: sed -e 's/[^^]/[&]/g' -e 's/\^/\\^/g'
+++ literalize() 264: printf %s 6.2.9
++ purge_normally() 801: grep -qE '^linux-image-(unsigned-)?[6][.][2][.][9] [ih]i $'
++ purge_normally() 811: dpkg-query -W '-f=${Package} ${Status}\n' 'linux-*'
++ purge_normally() 812: awk '$3!="ok" || ($4!="installed" && $4!="not-installed" && $4!="config-files")
	 '
+ purge_normally() 811: Pkgs=
+ purge_normally() 812: [[ -n '' ]]
++ purge_normally() 826: dpkg-query -W '-f=${db:Status-Abbrev} ${Package}\n'
++ purge_normally() 826: sed -nr 's/^[ih]i  linux-image-(unsigned-)?([0-9]+\..+)/\2/p'
++ purge_normally() 826: linux-version sort
+ purge_normally() 826: Releases='6.1.3
6.2.1
6.2.3
6.2.5
6.2.7
6.2.9'
+ purge_normally() 828: [[ -z '' ]]
+ purge_normally() 829: [[ -n '' ]]
+ purge_normally() 838: ReleasesToKeep='6.1.3
6.2.1
6.2.3
6.2.5
6.2.7
6.2.9'
+ purge_normally() 860: [[ -n 1 ]]
++ purge_normally() 865: get_latest_available_releases
++ get_latest_available_releases() 302: local meta_kernels
+++ get_latest_available_releases() 302: get_meta_kernels
+++ get_meta_kernels() 282: dpkg-query -W -f '${db:Status-Abbrev} ${Package}\n'
+++ get_meta_kernels() 283: awk '/^[ih].. linux-(.+-)?image-/{print $2}'
+++ get_meta_kernels() 284: grep -Ev '[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+'
++ get_latest_available_releases() 302: meta_kernels=
+ purge_normally() 865: LatestAvailableReleases=
+ debug() 1: finish
+ finish() 97: err=1
+ finish() 98: trap - EXIT
+ finish() 99: [[ -n '' ]]
+ finish() 100: rm -- /dev/shm/linux-purge.error_mNX
+ finish() 101: restore_update_grub
+ restore_update_grub() 89: [[ -n '' ]]
+ finish() 102: [[ -n /dev/shm/linux-purge.debug_rYD ]]
+ finish() 103: [[ -f /dev/shm/linux-purge.debug_rYD ]]
+ finish() 103: [[ ! -s /dev/shm/linux-purge.debug_rYD ]]
+ finish() 107: [[ -n '' ]]
+ finish() 109: [[ -n 1 ]]
+ finish() 111: note 'The debug information is saved in
/dev/shm/linux-purge.debug_rYD'
+ note() 85: printf '[%s] NOTE: %s\n' linux-purge 'The debug information is saved in
/dev/shm/linux-purge.debug_rYD'
+ note() 85: fold -s
+ finish() 115: [[ null == INT ]]
+ finish() 116: ((  err != 0 && err != 141  ))
+ finish() 117: error 'Aborting due to an unknown error (1).' 3 .
+ error() 75: printf '[%s] ERROR: %s\n' linux-purge 'Aborting due to an unknown error (1).'
+ error() 75: fold -s
+ error() 76: [[ -n x ]]
+ error() 77: exit 3