UBUNTU: [Debian] Added script to update SPL/ZFS module from archive package

BugLink: http://bugs.launchpad.net/bugs/1509881Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

debian/scripts/misc/update-zfs.sh

+#!/bin/bash
+#
+# Update spl/zfs from the Ubuntu archive. You will have to manually check
+# to see if the version has been updated.
+#
+SPL_MAJOR_VER=0.6.4.2
+SPL_MINOR_VER=0ubuntu1
+SPL_DKMS=http://archive.ubuntu.com/ubuntu/pool/universe/s/spl-linux/spl-dkms_${SPL_MAJOR_VER}-${SPL_MINOR_VER}_amd64.deb
+
+ZFS_MAJOR_VER=0.6.4.2
+ZFS_MINOR_VER=0ubuntu1
+ZFS_DKMS=http://archive.ubuntu.com/ubuntu/pool/universe/z/zfs-linux/zfs-dkms_${ZFS_MAJOR_VER}-${ZFS_MINOR_VER}_amd64.deb
+
+function update_from_archive {
+
+	URL=$1
+	DEST_DIR=$2
+	VER=$3
+
+	rm -rf ${DEST_DIR}.tmp
+	wget -O ${DEST_DIR}.deb ${URL}
+	dpkg -x ${DEST_DIR}.deb ${DEST_DIR}.tmp
+	mkdir -p ${DEST_DIR}
+	rsync -a --delete ${DEST_DIR}.tmp/usr/src/${DEST_DIR}-${VER}*/ ${DEST_DIR}/
+	rm -rf ${DEST_DIR}.deb ${DEST_DIR}.tmp
+	find ${DEST_DIR} -type f | while read f;do git add -f $f;done
+}
+
+update_from_archive ${SPL_DKMS} spl ${SPL_MAJOR_VER}
+update_from_archive ${ZFS_DKMS} zfs ${ZFS_MAJOR_VER}
+
+git add -u
+git commit -s -m"UBUNTU: SAUCE: (noup) Update spl to ${SPL_MAJOR_VER}-${SPL_MINOR_VER}, zfs to ${ZFS_MAJOR_VER}-${ZFS_MINOR_VER}"