diff -u slack-0.14.1/debian/prerm slack-0.14.1/debian/prerm
--- slack-0.14.1/debian/prerm
+++ slack-0.14.1/debian/prerm
@@ -5,11 +5,17 @@
 set -e
 
 if [ "$1" = "purge" -o "$1" = "remove" ]; then
+        unset CACHE
+        unset STAGE
         . /etc/slack.conf
         # purge the cache
-        rm -rf "$CACHE"/*
+        if [ -n "$CACHE" ]; then
+          rm -rf "$CACHE"/*
+        fi
         # remove the stage
-        rm -rf "$STAGE"
+        if [ -n "$STAGE" ]; then
+          rm -rf "$STAGE"
+        fi
 fi
 
 #DEBHELPER#
diff -u slack-0.14.1/debian/control slack-0.14.1/debian/control
--- slack-0.14.1/debian/control
+++ slack-0.14.1/debian/control
@@ -1,7 +1,8 @@
 Source: slack
 Section: admin
 Priority: optional
-Maintainer: Andrew Pollock <apollock@debian.org>
+Maintainer: Ubuntu MOTU Developers <ubuntu-motu@lists.ubuntu.com>
+XSBC-Original-Maintainer: Andrew Pollock <apollock@debian.org>
 Build-Depends: debhelper (>> 5)
 Standards-Version: 3.7.2
 
diff -u slack-0.14.1/debian/changelog slack-0.14.1/debian/changelog
--- slack-0.14.1/debian/changelog
+++ slack-0.14.1/debian/changelog
@@ -1,3 +1,9 @@
+slack (0.14.1-2ubuntu1) hardy-proposed; urgency=low
+
+  * debian/prerm: don't rm -rf / if /etc/slack.conf is empty (LP: #255819)
+
+ -- Andrew Pollock <apollock@google.com>  Thu, 07 Aug 2008 11:25:40 -0700
+
 slack (0.14.1-2) unstable; urgency=low
 
   * debian/control: Suggests: openssh-server, openssh-client instead of ssh