Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

/var/lib/dpkg/info/xz-utils.prerm

 #!/bin/sh
set -e
if
	test "$1" != upgrade ||
	# downgrading to a pre-alternatives version
	dpkg --compare-versions "$2" lt-nl 5.1.1alpha+20120614-1
then
	update-alternatives --remove lzma /usr/bin/xz
fi