exportUpdateCustom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="org.eclipse.imp.update" default="build.update.zip" basedir=".">
    <target name="init.custom">
        <property name="global.plugin.script" value="../org.eclipse.imp.update/exportPlugin.xml"/>
        <property name="default.feature.script" value="../org.eclipse.imp.update/exportFeature.xml"/>

        <property name="cache.dir" value="./cache"/>
        <mkdir dir="${cache.dir}"/>
    </target>

    <target name="collect.extra.artifacts">
        <antcall target="collect.lpg.artifacts"/>
        <antcall target="collect.polyglot.artifacts"/>
    </target>

    <target name="collect.lpg.artifacts">
        <delete dir="../lpg.update/plugins" includes="*.jar"/>
        <delete dir="../lpg.update/features" includes="*.jar"/>

        <ant antfile="../lpg.update/exportUpdate.xml" target="build.plugins"/>
        <ant antfile="../lpg.update/exportUpdate.xml" target="build.features"/>

        <copy todir="${update.temp.folder}/plugins" failonerror="true" overwrite="false">
            <fileset dir="../lpg.update/plugins" includes="*.jar"/>
        </copy>
        <copy todir="${update.temp.folder}/features" failonerror="true" overwrite="false">
            <fileset dir="../lpg.update/features" includes="*.jar"/>
        </copy>
    </target>

    <target name="collect.polyglot.artifacts">
        <delete dir="../polyglot/eclipseUpdates/plugins" includes="*.jar"/>
        <delete dir="../polyglot/eclipseUpdates/features" includes="*.jar"/>

        <ant antfile="../polyglot/build.xml" dir="../polyglot" target="build-plugin"/>
        <ant antfile="../polyglot/build.xml" dir="../polyglot" target="build-features"/>

        <copy todir="${update.temp.folder}/plugins" failonerror="true" overwrite="false">
            <fileset dir="../polyglot/eclipseUpdates/plugins" includes="polyglot_*.jar"/>
        </copy>
        <copy todir="${update.temp.folder}/features" failonerror="true" overwrite="false">
            <fileset dir="../polyglot/eclipseUpdates/features" includes="polyglot_*.jar"/>
        </copy>
    </target>

    <target name="add.all.features">
        <antcall target="add.features.lpg"/>
        <antcall target="add.features.polyglot"/>
        <antcall target="add.features.imp"/>
    </target>

    <target name="add.features.lpg">
        <antcall target="add.feature">
            <param name="feature.id"      value="lpg.generator"/>
            <param name="feature.version" value="${lpg.version}"/>
            <param name="category"        value="IMP Prerequisites"/>
        </antcall>
        <antcall target="add.feature">
            <param name="feature.id"      value="lpg.runtime"/>
            <param name="feature.version" value="${lpg.version}"/>
            <param name="category"        value="IMP Prerequisites"/>
        </antcall>
    </target>

    <target name="add.features.polyglot">
        <antcall target="add.feature">
            <param name="feature.id"      value="polyglot"/>
            <param name="feature.version" value="${polyglot.version}"/>
            <param name="category"        value="IMP Prerequisites"/>
        </antcall>
    </target>

    <target name="add.features.imp">
        <for param="feature.id" values="${feature.list}" separator=",">
            <!-- The following, when inlined, fails to set a new feature.version for each iteration (why???) -->
            <antcall target="add.imp.feature"/>
        </for>
    </target>

    <target name="add.imp.feature">
        <xmlproperty file="../${feature.id}.feature/feature.xml"/>
        <echo message="feature id = ${feature.id}"/>
        <propertyRegexp name="feature.version" input="${feature(version)}" regexp="(.*).qualifier" value="\1.${build.qualifier}"/>
        <echo message="feature version = ${feature(version)}"/>
        <antcall target="add.bin.src.features">
            <param name="feature.id"      value="${feature.id}"/>
            <param name="feature.version" value="${feature.version}"/>
            <param name="bin.category"    value="IMP"/>
            <param name="src.category"    value="IMP Source"/>
        </antcall>
    </target>

</project>