Phing script to deploy clean Magento 1.9 setup (not finished)

gistfile1.xml

<?xml version="1.0" encoding="UTF-8"?>

<project name="mageploy" default="prepare">

    <target name="prepare">
        <echo msg="Making directory ./tmp" />
        <mkdir dir="./tmp" />


        <if>
            <available file="./tmp/magento-1.9.0.1.zip" property="downloaded" />
            <else>
                <echo msg="Downloading latest Magento" />
                <httpget url="http://www.magentocommerce.com/downloads/assets/1.9.0.1/magento-1.9.0.1.zip"
                         dir="./tmp" followRedirects="true" />
            </else>
        </if>

        <if>
            <available file="./tmp/magento" type="dir" property="downloaded" />
            <else>
                <echo msg="Unzipping" />
                <unzip file="./tmp/magento-1.9.0.1.zip" todir="./tmp" />
            </else>
        </if>

        <if>
            <available file="./tmp/magento" type="dir" property="downloaded" />
            <then>
                <echo msg="Moving to root" />
                <copy todir="./" >
                    <fileset dir="./tmp/magento">
                        <include name="**/*.*" />
                    </fileset>
                </copy>

            </then>
        </if>

    </target>

    <target name="install">
        <input propertyname="host" message="baseurl" />
        <input propertyname="db_host" message="db_host" />
        <input propertyname="db_user" message="db_user" />
        <input propertyname="db_pass" message="db_pass" />
        <input propertyname="db_name" message="db_name" />

        <echo message="${host}"/>
        <echo message="${db_host}"/>
        <echo message="${db_user}"/>
        <echo message="${db_pass}"/>
        <echo message="${db_name}"/>

        <exec command='php install.php --license_agreement_accepted "yes" --locale "en_US" --timezone "Europe/Athens" --default_currency "EUR" --db_host "${db_host}" --db_name "${db_name}" --db_user "${db_user}" --db_pass "${db_pass}" --session_save "db" --admin_frontname "admin" --url "${host}" --use_rewrites "yes" --use_secure "yes" --secure_base_url "${host}" --use_secure_admin "no" --admin_firstname "John" --admin_lastname "Smith" --admin_email "[email protected]" --admin_username "admin" --admin_password "mag3nto" ' escape="false" passthru="true" />
    </target>

    <target name="clone">
        <mkdir dir="./tmp/repo" />
        <gitclone repository="" targetPath="./tmp/repo" />

        <copy todir="./" overwrite="true">
            <fileset dir="./tmp/repo">
                <include name="**/*.*" />
            </fileset>
        </copy>
    </target>
</project>