version.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="project" default="current-number">

    <property file="project.properties"/>
    <property name="build.number" value="${build.major.number}.${build.minor.number}.${build.revision.number}"/>

    <target name="current-number">
        <echo>Current build number:${build.number}</echo>
    </target>

    <target name="compile">
        <antcall target="revision"></antcall>
    </target>

    <target name="dist">
        <antcall target="minor"></antcall>
    </target>

    <target name="revision">
        <propertyfile  file="build_info.properties">
            <entry key="build.revision.number" type="int" operation="+" value="1" pattern="00"/>
        </propertyfile>
    </target>

    <target name="minor">
        <propertyfile  file="build_info.properties">
            <entry key="build.minor.number" type="int" operation="+" value="1" pattern="00"/>
            <entry key="build.revision.number" type="int" value="0" pattern="00"/>
        </propertyfile>
    </target>

    <target name="major">
        <propertyfile  file="build_info.properties">
            <entry key="build.major.number" type="int" operation="+" value="1" pattern="00"/>
            <entry key="build.minor.number" type="int" value="0" pattern="00"/>
            <entry key="build.revision.number" type="int" value="0" pattern="00"/>
        </propertyfile>
    </target>

    <target name="all">
        <propertyfile  file="build_info.properties">
            <entry key="build.major.number" type="int" operation="+" value="1" pattern="00"/>
            <entry key="build.minor.number" type="int" operation="+" value="1" pattern="00"/>
            <entry key="build.revision.number" type="int" operation="+" value="1" pattern="00"/>
        </propertyfile>
    </target>

</project>