Subversion Repositories DevTools

<?xml version="1.0"?>

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   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.

-->

<!--

  =======================================================================

   Use Apache Ant to generate a patch file for Apache Ant.

  =======================================================================

-->

<project name="create-patch" default="patchpackage" basedir=".">

    <property environment="env"/>

    <property name="patch.package" value="patch.tar.gz"/>

    <property name="patch.file" value="patch.txt"/>

    <condition property="git.found">

        <or>

            <available file="git" filepath="${env.PATH}"/>

            <available file="git.exe" filepath="${env.PATH}"/>

            <available file="git.exe" filepath="${env.Path}"/>

        </or>

    </condition>

    <target name="createpatch">

        <fail unless="git.found"

              message="You need a version of git to create the patch"/>

        <exec executable="git" output="${patch.file}">

            <arg value="diff"/>

        </exec>

    </target>

    <target name="patchpackage" depends="createpatch">

        <gzip src="${patch.file}" destfile="${patch.file}.gz"/>

    </target>

</project>