UBUNTU: [Debian] Add aufs update script

Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

debian/scripts/misc/update-aufs.sh

+#!/bin/bash
+
+AUFS=aufs4-standalone
+
+#
+# Before you run this be sure you've removed or reverted the 'UBUNTU: SAUCE: AUFS" patch.
+#
+#
+# Make sure the current working directory is at the top of the
+# linux tree.
+#
+if ! grep PATCHLEVEL Makefile
+then
+	echo "You must run this script from the top of the linux tree"
+	exit 1
+fi
+
+rm -rf ${AUFS}
+git clone https://github.com/sfjro/aufs4-standalone.git ${AUFS}
+(cd ${AUFS}; git checkout -b aufs4.x-rcN remotes/origin/aufs4.x-rcN)
+
+cp ${AUFS}/include/uapi/linux/aufs_type.h include/uapi/linux
+rsync -av ${AUFS}/fs/ fs/
+rsync -av ${AUFS}/Documentation/ Documentation/
+
+PATCHES="${PATCHES} aufs4-kbuild.patch"
+PATCHES="${PATCHES} aufs4-base.patch"
+PATCHES="${PATCHES} aufs4-mmap.patch"
+PATCHES="${PATCHES} aufs4-standalone.patch"
+PATCHES="${PATCHES} aufs4-loopback.patch"
+PATCHES="${PATCHES} vfs-ino.patch"
+PATCHES="${PATCHES} tmpfs-idr.patch"
+
+for i in ${PATCHES}
+do
+	patch -p1 < ${AUFS}/$i
+done
+
+rm -rf ${AUFS}
+git add mm/prfile.c
+git add -u
+find . -name "*.orig" | xargs rm
+find . |grep aufs | xargs git add
+git commit -s -m"UBUNTU: SAUCE: AUFS"