build.xml

<?xml version="1.0"?>

<project name="extensionBuilder" default="buildExtension">

    <target name="setProperties">
        <exec executable="../getprojectname.sh" outputproperty="projectName"/>
        <exec executable="../getcurrentversion.sh" outputproperty="currentVersion"/>
    </target>

    <target name="deleteXPI" depends="setProperties">
        <delete>
            <fileset dir="." includes="${projectName}*.xpi"/>
        </delete>
    </target>

    <target name="createJAR" depends="deleteXPI">
        <zip destfile="${projectName}.jar">
            <zipfileset dir="." includes="content/**"/>
            <zipfileset dir="." includes="locale/**"/>
            <zipfileset dir="." includes="skin/**"/>
        </zip>
    </target>

    <target name="createXPI" depends="createJAR">
        <zip destfile="${projectName}${currentVersion}.xpi">
            <zipfileset dir="." includes="${projectName}.jar" prefix="chrome"/>
            <zipfileset dir="." includes="defaults/**"/>
            <zipfileset dir="." includes="icons/**"/>
            <zipfileset dir="." includes="install.rdf"/>
            <zipfileset dir="." includes="chrome.manifest"/>
            <zipfileset dir="." includes="manifest.json"/>
        </zip>
    </target>

    <target name="deleteJAR" depends="createXPI">
        <delete file="${projectName}.jar"/>
    </target>

    <target name="buildExtension" depends="deleteJAR"/>

</project>