apply rancher TCMU patches on top of Ubuntu-4.2.0-28.33

scripts/extract

@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e
+
+cd $(dirname $0)/..
+
+source scripts/build-common
+
+KERNEL=$(basename ${KERNEL_URL})
+DIR=${KERNEL/.tar.*//}
+
+mkdir -p ${BUILD}
+cd ${BUILD}
+
+if [ ! -e ${DIR} ]; then
+    echo Extracting ${ARTIFACTS}/${KERNEL}
+    TEMP=$(mktemp -d -p ${BUILD})
+    mkdir ${TEMP}/${DIR}
+    trap "rm -rf ${TEMP}" exit
+
+    tar xf ${ARTIFACTS}/${KERNEL} -C ${TEMP}/${DIR} --strip-components=1
+    mv ${TEMP}/${DIR} ${DIR}
+fi
+
+cp ${CONFIG}/kernel-config ${DIR}/.config