linux-3.0: add patch helper script

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

recipes-kernel/linux/linux-3.0/patch.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+# (c) 2009 - 2011 Koen Kooi <koen@dominion.thruhere.net>
+# This script will take a set of directories with patches and make a git tree out of it
+# After all the patches are applied it will output a SRC_URI fragment you can copy/paste into a recipe
+
+TAG="v3.0.4"
+EXTRATAG="-3.0"
+
+git fetch mainline
+git am --abort
+git reset --hard ${TAG}
+rm export -rf
+
+previous=${TAG}
+PATCHSET="pm-wip/voltdm pm-wip/cpufreq bias beagle madc sakoman sgx ulcd omap4"
+
+# apply patches
+for patchset in ${PATCHSET} ; do
+	git am $patchset/* && git tag "${patchset}${EXTRATAG}" -f
+done
+
+# export patches and output SRC_URI for them
+for patchset in ${PATCHSET} ; do
+	mkdir export/$patchset -p
+	( cd export/$patchset && git format-patch ${previous}..${patchset}${EXTRATAG} >& /dev/null && for i in *.patch ; do echo "            file://${patchset}/$i \\" ; done )
+	previous=${patchset}${EXTRATAG}
+done