releng.wtpbuilder/scripts/build/buildutilities.xml

<project>

    <target name="createChecksums">
        <mkdir dir="${postingDirectory}/${buildLabel}/checksum" />
        <checksum file="${postingDirectory}/${buildLabel}/${archiveName}"
                  property="md5" />
        <echo message="${md5} *${archiveName}"
              file="${postingDirectory}/${buildLabel}/checksum/${archiveName}.md5" />
        <echo message="${md5}"
              file="${postingDirectory}/${buildLabel}/checksum/${archiveName}.md5antformat" />
    </target>

    <target name="unpackUpdateJarsAndCreateZippedPackages">
        <!--Note: we use this odd "tmpsite+archiveName" to make unique directories, since
                can not be deleted from ant.
                https://bugs.eclipse.org/bugs/show_bug.cgi?id=142926
                 -->
        <property name="tmpsite"
                  value="${buildDirectory}/tmpsite-${archiveName}-temp" />


        <!-- temporary. Copy to be able to do side-by-side comparisons -->
        <mkdir dir="${buildDirectory}/${buildLabel}/backuporiginalzips" />
        <copy file="${buildDirectory}/${buildLabel}/${archiveName}"
              todir="${buildDirectory}/${buildLabel}/backuporiginalzips" />


        <!-- 1. normalize jars here, from zip of update jars -->
        <java jar="${pde.builder.path}/startup.jar"
              fork="true"
              jvm="${java15-home}/bin/java"
              failonerror="true"
              maxmemory="256m"
              dir="${buildDirectory}">
            <arg line="-debug -consolelog -data " />
            <arg line="-application org.eclipse.update.core.siteOptimizer" />
            <arg line="-jarProcessor  -processAll -outputDir ${tmpsite} -repack ${buildDirectory}/${buildLabel}/${archiveName}" />
        </java>


        <!-- 2. unzip our "normalizeded" jars in the zip file produced in 1., to the directory {tmpsite}/eclipse -->
        <unzip dest="${tmpsite}"
               src="${tmpsite}/${archiveName}" />

        <!-- 3. copy all update jars (and gz files, and digest.zip files) to a common update site directory -->
        <mkdir dir="${postingDirectory}/${buildLabel}/updateSite" />
        <copy todir="${postingDirectory}/${buildLabel}/updateSite">
            <fileset dir="${tmpsite}/eclipse">
            </fileset>
        </copy>


        <!-- 4. for modularity, pack200 done here. gz files produced (though, could result in duplicate processing) -->

        <java jar="${pde.builder.path}/startup.jar"
              fork="true"
              jvm="${java15-home}/bin/java"
              failonerror="true"
              maxmemory="256m"
              dir="${buildDirectory}">
            <arg line="-application org.eclipse.update.core.siteOptimizer" />
            <arg line="-jarProcessor -verbose -outputDir ${postingDirectory}/${buildLabel}/updateSite -pack ${postingDirectory}/${buildLabel}/updateSite" />
        </java>



        <!-- 5. now create traditional zip file of unpacked jars (but jars that have not been
                        unpacked, should be in "normalized" state -->


        <!-- unpacks those jars that are supposed to be unpacked based on feature defintion  -->
        <unpackUpdateJars site="${tmpsite}/eclipse"
                          output="${tmpsite}/unpacked/eclipse" />


        <!-- add copy of legal doc's here, product.ini, etc., before re-zipping -->
        <copy todir="${tmpsite}/unpacked/eclipse">
            <fileset dir="${wtp.builder.home}/rootfiles">
            </fileset>
        </copy>

        <!-- delete first version, which we are about to re-create -->
        <delete file="${buildDirectory}/${buildLabel}/${archiveName}" />


        <!-- recreate zip file now, same name, traditional content, which is mix of folders and jars -->
        <zip destfile="${buildDirectory}/${buildLabel}/${archiveName}"
             basedir="${tmpsite}/unpacked"
             update="false"
             duplicate="preserve" />



        <!-- 6. can now remove tmpsite no longer needed -->
        <!-- <delete dir="${tmpsite}" /> -->

    </target>
</project>