pve-kernel-lowlatency-qoup/debian/pve-kernel.prerm.in

#!/usr/bin/perl

use strict;
use warnings;

# Ignore all invocations uxcept when called on to remove
exit 0 unless ($ARGV[0] && $ARGV[0] =~ /remove/) ;

# do nothing if run from proxmox installer
exit 0 if -e "/proxmox_install_mode";

my $imagedir = "/boot";

my $version = "@@KVNAME@@";

if (-d "/etc/kernel/prerm.d") {
  print STDERR "Examining /etc/kernel/prerm.d.\n";
  system(
      "run-parts --verbose --exit-on-error --arg=$version --arg=$imagedir/vmlinuz-$version /etc/kernel/prerm.d"
  ) && die "Failed to process /etc/kernel/prerm.d";
}

exit 0