build.xml

<project name="treehouse" default="build" basedir=".">

	<property name="source.dir" value="src" />
	<property name="library.dir" value="lib" />
	<property name="resource.dir" value="resources" />
	<property name="build.dir" value="build" />
	<property name="artifact.name" value="treehouse" />

	<condition property="uptodate">
		<uptodate targetfile="${build.dir}/artifacts/${artifact.name}.tar" >
			<srcfiles dir="." includes="build.xml" />
		    <srcfiles dir= "${source.dir}" includes="**/*.java" />
			<srcfiles dir= "${resource.dir}" includes="**/*" />
			<srcfiles dir= "${library.dir}" includes="**/*" />
		</uptodate>
	</condition>
		
	<target name="setup" unless="uptodate">
		<delete dir="${build.dir}" />
		<mkdir dir="${build.dir}" />
		<mkdir dir="${build.dir}/work" />
		<mkdir dir="${build.dir}/work/bin" />
	</target>
		
	<target name="compile" unless="uptodate">
		<javac srcdir="${source.dir}" destdir="${build.dir}/work/bin" target="1.8" source="1.8" includeantruntime="false">
			<classpath>
				<fileset dir="${library.dir}/main" includes="*.jar" />
			</classpath>
		</javac>
	</target>
		
	<target name="test" unless="uptodate">
	</target>
	
	<target name="package" unless="uptodate">
		<jar destfile="${build.dir}/artifacts/${artifact.name}.jar">
			<fileset dir="${basedir}" includes="version.properties" />
			<fileset dir="${build.dir}/work/bin" includes="**/*.class" />
		</jar>
		<tar destfile="${build.dir}/artifacts/${artifact.name}.tar">
			<tarfileset dir="${build.dir}/artifacts" includes="*.jar" prefix="lib" dirmode="777" filemode="777" />
			<tarfileset dir="${library.dir}/main" includes="*.jar" prefix="lib" dirmode="777" filemode="777" />
			<tarfileset dir="${resource.dir}/scripts" includes="*" prefix="bin" dirmode="777" filemode="777" />
		</tar>
	</target>
	
	<target name="build" depends="setup, compile, test, package" unless="uptodate" />
	
	<target name="deploy" depends="build">
		<mkdir dir="/opt/${artifact.name}" />
		<mkdir dir="/opt/${artifact.name}" />
		<untar src="${build.dir}/artifacts/${artifact.name}.tar" dest="/opt/${artifact.name}" />
	</target>
</project>