uima-eclipse-update-site-slicing/subsiteSlicing.xml

<?xml version="1.0" encoding="UTF-8"?>
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<project name="subsiteSlicing" basedir="." default="subsiteSlicing">
	<target name="subsiteSlicing">
    <property name="eclipseUpdateSlice" value="target/eclipse-update-site/${subsite}"/>

		<echo>starting Eclipse update site slicing for ${subsite}</echo>
		
    <!-- ============================================== -->
    <!--   maintenance to slice out most recent version -->
		<!--                                                -->
    <!--   change iu's below to the feature groups      -->
    <!--   appropriate to your subsite                  -->
    <!--                                                -->
    <!--   Specifying iu's with no version selects      -->
    <!--   the most recent version                      -->
    <!--                                                -->
    <!--     You can specify multiple,                  -->
    <!--     specific versions if desired               -->
    <!-- ============================================== -->

		<delete dir="${eclipseUpdateSlice}" quiet="false"/>
		
		<!-- don't use raw='false' because all it does is change timestamps and uuids -->
		<p2.mirror source="https://dist.apache.org/repos/dist/release/uima/eclipse-update-site/${subsite}" verbose='true'>
			<destination location="${eclipseUpdateSlice}"/>
			<slicingoptions followStrict='true' includeOptional='false' includeNonGreedy='false'/>
			
			<!-- insert the name of all features to keep. others will be removed -->
      <iu id='org.apache.uima.runtime.feature.group'/>
      <iu id='org.apache.uima.tools.feature.group'/>
			<!-- for the category info -->
			<!-- version info can't be defaulted - look into the content.xml to see which one you need -->
			<iu id='apache-uima.uima-tooling-and-runtimes' version='1.0.0.787c3cKzm6h'/>
			
		</p2.mirror>	
		
		<delete dir="${eclipseUpdateSlice}/.blobstore" quiet="false"/>
		<echo>done</echo>
	</target>
</project>