build.xml

<?xml version="1.0"?>

<project name="nightlytt" default="package">
  <tstamp>
    <format property="build.number" pattern="yyyyMMddHHmm"/>
  </tstamp>

  <target name="getversion" unless="build.version">
    <xmlproperty file="extension/install.rdf" collapseAttributes="true"/>
    <property name="build.version" value="${RDF.Description.em:version}"/>
    <echo>build.version: ${build.version}</echo>
  </target>
  
  <target name="package" depends="getversion">
    <condition property="package.filename" value="${ant.project.name}-${build.version}.xpi">
      <isset property="release"/>
    </condition>
    <property name="package.filename" value="${ant.project.name}-${build.version}-${build.number}.xpi"/>
    <delete file="${package.filename}"/>
    <zip destfile="${package.filename}" basedir="extension" excludesfile=".gitignore"/>
    <echo>package.filename: ${package.filename}</echo>
  </target>

</project>