build.xml

<project name="PROJECT" default="build" basedir="." xmlns:ivy="antlib:org.apache.ivy.ant">

	<macrodef name="private-tar">
	  <attribute name="product"/>
	  <sequential>
			<tar destfile="target/@{product}-bin.tbz2" compression="bzip2">
		    <tarfileset dir="src/main/sh" filemode="755">
		      <include name="@{product}.sh" /> 
		    </tarfileset>
	    </tar>
	  </sequential>
	</macrodef>
	
	<macrodef name="private-concat">
	  <attribute name="product"/>
	  <sequential>
			<concat destfile="target/@{product}">
		    <filelist dir="target" files="shunarchive"/>
		    <filelist dir="target" files="@{product}-bin.tbz2"/>
			</concat>
			<chmod file="target/@{product}" perm="+x"/>
	  </sequential>
	</macrodef>
	
	<macrodef name="shunarchive">
	  <attribute name="product"/>
	  <sequential>
			<private-tar product="@{product}" />
			<private-concat product="@{product}" />
	  </sequential>
	</macrodef>
	
	<macrodef name="private-template">
	  <attribute name="product"/>
	  <sequential>
			<tar destfile="target/@{product}.tbz2" compression="bzip2" basedir="src/main/resources/template/@{product}" />
	  </sequential>
	</macrodef>
	
	<macrodef name="ivy-publish">
	  <attribute name="product"/>
	  <sequential>
			<tar destfile="target/@{product}.tbz2" compression="bzip2" basedir="target">
				<include name="@{product}"/>
	    </tar>
	    <ivy:settings file="src/main/config/ivysettings.xml" />
	    <ivy:resolve file="src/main/config/ivy-@{product}.xml" />
	    <ivy:publish resolver="internal" pubrevision="1.0" overwrite="true">
	       <artifacts pattern="target/[artifact].[ext]" />
	    </ivy:publish>
		  <delete file="target/ivy.xml"/>
	  </sequential>
	</macrodef>
	
	<!-- main -->
	
	<target name="build" depends="resolve,extract,PROJECT"/>

  <target name="resolve">
    <ivy:settings file="src/main/config/ivysettings.xml" />
  	<ivy:retrieve />
  </target>

	<target name="check-shunarchive">
	  <condition property="shunarchive.not.present">
	    <not>
		    <available file="target/shunarchive" property="shunarchive.present"/>
	    </not>
	  </condition>
	</target>

  <target name="extract-buildtools" depends="check-shunarchive,resolve" if="shunarchive.not.present">
		<untar src="lib/buildtools-1.0.tbz2" compression="bzip2" dest="target"/>
  </target>

  <target name="extract" depends="extract-buildtools"/>

  <target name="clean">
	  <delete dir="target/myproject"/>
		<delete>
			<fileset dir="target">
			  <include name="*.tbz2"/>
			  <include name="*.py"/>
			  <include name="*.pyc"/>
			  <include name=".history"/>
			  <include name="shunarchive"/>
			  <include name="PROJECT"/>
			</fileset>
		</delete>
  </target>

	<!-- products -->

  <target name="PROJECT" depends="extract">
  </target>

  <target name="publish" depends="build">
    <ivy-publish product="PROJECT"/>
  </target>
  
</project>