<project name="installdemo" default="build" basedir=".">
    <!-- Load standard properties -->
    <property file="${basedir}/build.properties"/>
    <!-- Import macros around sf:deploy to install/uninstall packages -->
    <import file="${basedir}/lib/ant-salesforce.xml"/>
    <!-- Default target -->
    <target name="build">
        <!-- Install the package with namespace packagea -->
        <installPackage namespace="packagea" version="1.0" packagePassword="fred1234"
           username="${sf.username}" password="${sf.password}"/>
        <!-- Uninstall the package with namespace pacakgea -->
        <uninstallPackage namespace="packagea"
           username="${sf.username}" password="${sf.password}"/>
    </target>
</project>