--- halt.sh 2006-02-16 20:28:16.000000000 +0100
+++ halt.sh 2006-02-16 20:35:11.000000000 +0100
@@ -20,10 +20,25 @@
# occure, bug #13599.
umount -at tmpfs &>/dev/null
-if [[ -n $(swapon -s 2>/dev/null) ]]; then
+# Turn off swap and perhaps zero it out for fun
+swap_list=$(swapon -s 2>/dev/null)
+
+if [[ -n ${swap_list} ]] ; then
ebegin "Deactivating swap"
swapoff -a
eend $?
+
+ if [[ ${RC_SWAP_ERASE} == "yes" ]] ; then
+ for s in $(echo "${swap_list}" | awk '$2 == "partition" {print $1}') ; do
+ ebegin $"Erasing swap space" ${s}
+ ssize=$(awk '$4 == "'${s##*/}'" {print $3}' /proc/partitions 2> /dev/null)
+ dd if=/dev/zero of=${s} bs=1024 count=${ssize} &> /dev/null
+ eend $?
+ ebegin $"Creating swap space" ${s}
+ mkswap ${s} > /dev/null
+ eend $?
+ done
+ fi
fi
# Write a reboot record to /var/log/wtmp before unmounting
