Edit file File name : dkms.preinst Content :#!/bin/sh set -e # snippet from http://www.dpkg.org/dpkg/ConffileHandling # Remove a no-longer used conffile rm_conffile() { PKGNAME="$1" CONFFILE="$2" if [ -e "$CONFFILE" ]; then md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`" old_md5sum="`dpkg-query -W -f='${Conffiles}' $PKGNAME | sed -n -e \"\\\\' $CONFFILE '{s/ obsolete$//;s/.* //p}\"`" if [ "$md5sum" != "$old_md5sum" ]; then echo "Obsolete conffile $CONFFILE has been modified by you." echo "Saving as $CONFFILE.dpkg-bak ..." mv -f "$CONFFILE" "$CONFFILE".dpkg-bak else echo "Removing obsolete conffile $CONFFILE ..." rm -f "$CONFFILE" fi fi } case "$1" in install|upgrade) if dpkg --compare-versions "$2" le "2.1.1.1-2"; then rm_conffile dkms "/etc/dkms/template-dkms-mkdeb/debian/postrm" if [ -e "/etc/init.d/dkms_autoinstaller" ]; then update-rc.d -f dkms_autoinstaller remove >/dev/null 2>&1 rm_conffile dkms "/etc/init.d/dkms_autoinstaller" fi rm_conffile dkms "/etc/init/dkms_autoinstaller.conf" fi if dpkg --compare-versions "$2" le "2.7.1-5"; then rm_conffile dkms "/etc/bash_completion.d/dkms" fi esac Save