#!/bin/sh -e LASTVERSION=0.7.19-2~ NAME=apt-cacher-ng CFG=/etc/$NAME case "$1" in install|upgrade) if dpkg --compare-versions "$2" le "$LASTVERSION"; then for cfn in backends_debvol backends_ubuntu backends_debian ; do mkdir -p $CFG/oldconffiles mv -f $CFG/$cfn $CFG/oldconffiles 2>/dev/null ||: done fi esac