build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="contreg" default="prepare_apphome" basedir=".">

	<!-- The target that prepares the application's home directory (aka "app-home"). -->
	<!-- It's the directory for the files that the application needs, but that shouldn't be kept in web-app directory. -->
    <target name="prepare_apphome" unless="antrun.skip">

    	<!-- Load build properties, expected from ${propertiesFile} -->
        <loadproperties srcFile="${propertiesFile}"/>

    	<!-- Copy all files from acl directory into the same directory in app-home, unless they already exist in the latter. -->
    	<copy todir="${application.acl.folder}">
            <fileset dir="acl">
            	  <present present="srconly" targetdir="${application.acl.folder}"/>
            </fileset>
        </copy>

    	<!-- Always overwrite the acl directory's permission definition file(s). -->
    	<copy todir="${application.acl.folder}" overwrite="true">
            <fileset dir="acl" includes="*.prms*"/>
    		<fileset dir="acl" includes="*.permissions*"/>
        </copy>

    </target>
</project>