1 files changed, 121 insertions, 0 deletions
diff --git a/mandriva/hibernate-cleanup.sh b/mandriva/hibernate-cleanup.sh
new file mode 100755
index 00000000..49451859
--- /dev/null
+++ b/mandriva/hibernate-cleanup.sh
@@ -0,0 +1,121 @@
+#!/bin/sh
+
+# This script invalidates any stale swsusp and Software Suspend 2 images. It
+# searches all swap partitions on your machine, as well as Suspend2's
+# filewriter files (by way of the hibernate script telling it where to find
+# it).
+#
+# It should be called on boot, after mounting filesystems, but before enabling
+# swap or clearing out /var/run. Copy this into /etc/init.d/ (or the appropriate
+# place on your system), then add a symlink at the appropriate point on boot.
+# On a Debian system, you would do this:
+#   update-rc.d hibernate-cleanup.sh start 31 S .
+#
+# On other SysV-based systems, you would do something like:
+#   ln -s ../init.d/hibernate-cleanup.sh /etc/rcS.d/S31hibernate-cleanup.sh
+
+HIBERNATE_FILEWRITER_TRAIL="/var/run/suspend2_filewriter_image_exists"
+
+get_part_label() {
+	local ID_FS_LABEL
+
+	eval "$(vol_id -x $1 2> /dev/null)"
+	echo "$ID_FS_LABEL"
+}
+
+get_part_uuid() {
+	local ID_FS_UUID
+
+	eval "$(vol_id -x $1 2> /dev/null)"
+	echo "$ID_FS_UUID"
+}
+
+get_swap_id() {
+	local line
+	fdisk -l 2>/dev/null | while read line; do
+		case "$line" in
+			/*Linux\ [sS]wap*) echo "${line%% *}"
+		esac
+	done
+}
+
+clear_swap() {
+	local where wason label uuid
+	where=$1
+	wason=
+	test x"$2" = x || label="-L $2"
+	test x"$3" = x || uuid="-U $3"
+	swapoff $where 2>/dev/null && wason=yes
+	mkswap $where $label $uuid > /dev/null || echo -n " (failed: $?)"
+	[ -n "$wason" ] && swapon $where
+}
+
+check_swap_sig() {
+	local part="$(get_swap_id)"
+	local where what type rest p c dev label
+	while read  where what type rest ; do
+		test "$type" = "swap" || continue
+		c=continue
+		dev=
+		label=
+		for p in $part ; do
+			case "$where" in
+				LABEL=* )
+					test x"$(get_part_label $p)" = x"${where#LABEL=}" &&  {
+						c=:
+						dev=$p
+						label=${where#LABEL=}
+					}
+				;;
+				UUID=* )
+					test x"$(get_part_uuid $p)" = x"${where#UUID=}" &&  {
+						c=:
+						dev=$p
+						uuid=${where#UUID=}
+					}
+				;;
+				* )	
+					test "$p" = "$where" && {
+						c=:
+						dev=$p
+					}
+				;;
+			esac
+		done
+		$c
+		case "$(dd if=$dev bs=1 count=6 skip=4086 2>/dev/null)" in
+			ULSUSP|S1SUSP|S2SUSP|pmdisk|[zZ]*)
+				echo -n "$dev"
+				clear_swap $dev "$label" "$uuid"
+				echo -n ", "
+		esac
+	done < /etc/fstab
+}
+
+check_filewriter_sig() {
+	local target
+	[ -f "$HIBERNATE_FILEWRITER_TRAIL" ] || return
+	read target < $HIBERNATE_FILEWRITER_TRAIL
+	[ -f "$target" ] || return
+	case "`dd \"if=$target\" bs=8 count=1 2>/dev/null`" in
+		HaveImag)
+			/bin/echo -ne "Suspend2\n\0\0" | dd "of=$target" bs=11 count=1 conv=notrunc 2>/dev/null
+			echo -n "$target, "
+			rm -f $HIBERNATE_FILEWRITER_TRAIL
+	esac
+}
+
+case "$1" in
+start)
+        echo -n "Invalidating stale software suspend images... "
+        check_swap_sig
+        check_filewriter_sig
+        echo "done."
+        ;;
+stop|restart|force-reload)
+        ;;
+*)
+        echo "Usage: /etc/init.d/hibernate {start|stop|restart|force-reload}"
+esac
+
+exit 0