ant build.xml for netbeans with ivy integration

build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="JavaApplication2" default="default" basedir="." xmlns:ivy="antlib:org.apache.ivy.ant">
    <description>Builds, tests, and runs the project JavaApplication2.</description>
    <import file="nbproject/build-impl.xml"/>

    <property name="ivy.install.version" value="2.3.0-rc1" />
    <property name="ivy.jar.dir" value="${basedir}/ivy" />
    <property name="ivy.cache.dir" value="${basedir}/ivy" />
    <property name="ivy.jar.file" value="${ivy.jar.dir}/ivy.jar" />
    <property name="ivy.lib" value="${basedir}/lib" />
    <property name="ivy.settings.location" value="${basedir}/ivysettings.xml" />

    <target name="-check-ivy">
        <available file="${ivy.jar.file}" property="ivy.skip.download"/>
    </target>

    <target name="-download-ivy" unless="ivy.skip.download" depends="-check-ivy">
        <mkdir dir="${ivy.jar.dir}"/>
        <echo message="installing ivy..."/>
        <get src="http://repo1.maven.org/maven2/org/apache/ivy/ivy/${ivy.install.version}/ivy-${ivy.install.version}.jar"
             dest="${ivy.jar.file}" usetimestamp="true"/>
    </target>

    <target name="-load-ivy-tasks" depends="-download-ivy">
        <path id="ivy.lib.path">
            <pathelement location="${ivy.jar.file}"/>
        </path>
        <taskdef resource="org/apache/ivy/ant/antlib.xml" uri="antlib:org.apache.ivy.ant" classpathref="ivy.lib.path"/>
    </target>

    <target name="download-deps" depends="-load-ivy-tasks"
            description="Download dependent libraries.">
        <ivy:resolve/>
        <ivy:retrieve/>

        <pathconvert property="ivy.classpath.computed" dirsep="/" pathsep=":">
            <path>
                <fileset dir="${ivy.lib}" includes="*.jar"/>
            </path>
            <map from="${basedir}${file.separator}" to=""/>
        </pathconvert>

        <propertyfile file="${basedir}/nbproject/project.properties">
            <entry operation="=" key="ivy.classpath" value="${ivy.classpath.computed}"/>
        </propertyfile>
    </target>

    <target name="clean-deps" description="Clean downloaded libraries.">
        <delete dir="${ivy.lib}"/>
    </target>

    <target name="clean-ivy" depends="clean-deps" description="Clean ivy.">
        <delete dir="${ivy.jar.dir}"/>
        <ivy:cleancache/>
        <propertyfile file="${basedir}/nbproject/project.properties">
            <entry operation="=" key="ivy.classpath" value=""/>
        </propertyfile>
    </target>

    <target name="-use-ivy-junit" depends="download-deps" unless="netbeans.home">
        <property name="libs.junit_4.classpath" value="${ivy.lib}/junit-4.10.jar"/>
    </target>

    <target name="-pre-compile" depends="download-deps"/>

    <target name="-pre-compile-single" depends="download-deps"/>

    <target name="-pre-init" depends="-use-ivy-junit"/>
</project>

ivy.xml

<?xml version="1.0" encoding="UTF-8"?>
<ivy-module version="2.0">
    <info module="JavaApplication2" organisation="com.github.gist" revision="0.1"/>

    <configurations defaultconfmapping="build->*">
        <conf name="build" description="normal build"/>
        <conf name="test" extends="build" visibility="private" description="testing build"/>
    </configurations>

    <publications>
        <artifact name="JavaApplication2" type="jar" conf="build" ext="jar"/>
    </publications>

    <dependencies>
        <dependency org="com.google.guava" name="guava" rev="13.0"/>
        <dependency org="junit" name="junit" rev="4.10" conf="test->*"/>
    </dependencies>
</ivy-module>