org.eclipse.epp.mpc.site/build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="prepare-update-site" basedir="." default="process-repository" xmlns:comp="antlib:org.apache.ant.compress">
  <property name="repository" value="${basedir}/target/repository" />
  <property name="contentxml" value="${repository}/content.xml" />
  <property name="p2contentxml" value="${basedir}/target/p2content.xml" />
  <property name="stylesheet" value="${basedir}/p2content.xslt" />
  
  <macrodef name="transform">
     <attribute name="file"/>
     <attribute name="stylesheet"/>
     <sequential>
        <copy file="@{file}" tofile="@{file}.orig"/>
        <xslt style="@{stylesheet}" in="@{file}" out="@{file}.tmp"/>
        <move file="@{file}.tmp" tofile="@{file}"/>
        <delete file="@{file}.orig"/>
     </sequential>
  </macrodef>

  <target name="transform-repository-xml">
     <transform file="${contentxml}" stylesheet="${stylesheet}"/>
     <transform file="${p2contentxml}" stylesheet="${stylesheet}"/>
  </target>

  <target name="compress-repository-files">
     <jar basedir="${repository}" destfile="${repository}/content.jar" includes="content.xml" filesonly="true" compress="true" level="9"/>
     <jar basedir="${repository}" destfile="${repository}/artifacts.jar" includes="artifacts.xml" filesonly="true" compress="true" level="9"/>
     <comp:xz src="${repository}/content.xml" destfile="${repository}/content.xml.xz"/>
     <comp:xz src="${repository}/artifacts.xml" destfile="${repository}/artifacts.xml.xz"/>
     <replace file="${repository}/p2.index">
        <replacefilter token="metadata.repository.factory.order=content.xml" value="metadata.repository.factory.order=content.xml.xz,content.xml"/>
        <replacefilter token="artifact.repository.factory.order=artifacts.xml" value="artifact.repository.factory.order=artifacts.xml.xz,artifacts.xml"/>
     </replace>
     <move todir="${repository}/..">
        <fileset dir="${repository}" includes="content.xml,artifacts.xml"/>
     </move>
  </target>

  <condition property="repository.archive.exists">
     <and>
        <isset property="repository.archive"/>
        <available file="${repository.archive}"/>
     </and>
  </condition>
  <target name="update-repository-archive" if="repository.archive.exists">
     <move file="${repository.archive}" tofile="${repository.archive}.tmp"/>
     <zip destfile="${repository.archive}" update="true" keepcompression="true">
        <fileset dir="${repository}" includes="content.jar,content.xml.xz,artifacts.jar,artifacts.xml.xz,p2.index"/>
        <zipfileset src="${repository.archive}.tmp" excludes="content.xml,artifacts.xml,p2.index"/>
     </zip>
     <delete file="${repository.archive}.tmp"/>
  </target>
  
  <target name="process-repository" depends="transform-repository-xml,compress-repository-files,update-repository-archive"/>
</project>