add apply patch script

apply-patch.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+usage() {
+    script=`basename $0`
+    echo "USAGE: $script AOSP-SRC [TAG]"
+    exit 1
+}
+
+[[ "$#" -lt 1 ]] && usage
+
+src=$1
+tag=$2
+
+if [ -z "$tag" ]; then
+    echo "detect AOSP tag from manifest"
+    tag=`grep revision $src/.repo/manifests/default.xml | cut -d\" -f 2 | cut -d/ -f 3`
+fi
+
+echo "===== AOSP SRC: $src"
+echo "===== AOSP TAG: $tag"
+
+patch_dir=$(dirname $(realpath $0))/$tag
+if [ ! -d $patch_dir ];then
+    echo "patches for $tag not exist"
+    exit 1
+fi
+
+cd $patch_dir
+for p in `find * -links 2`
+do
+    echo
+    echo "process project: $p"
+    git -C $src/$p am --reject $patch_dir/$p/* || echo "*****[ERROR]***** apply failed: $p"
+done