Script to help compare old commits

docs/hacking-guide/en/history.md

@@ -19,3 +19,13 @@ Credit should be given to those developers who contributed to the HornetQ projec
 - Adrian Brock
 
 For more information please visit the [HornetQ GitHub project](https://github.com/hornetq/hornetq/tree/apache-donation).
+
+
+Rebasing original donation
+==========================
+
+It may be useful to look at the donation history combined with the artemis history. It is the case when eventually looking at old changes.
+
+For that there is a script that will rebase master against the donation branch under master/scripts:
+
+- rebase-donation.sh

scripts/rebase-donation.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# more information about this script at https://github.com/apache/activemq-artemis/blob/master/docs/hacking-guide/en/history.md
+
+git remote add hornetq https://github.com/hornetq/hornetq.git
+git fetch hornetq
+git checkout hornetq/apache-donation -B donation
+git checkout apache/master -B master-donation
+git rebase donation
+git remote rm hornetq
+git branch -D donation