Instalacion automatica symfony 2.1

#!/bin/bash
echo -n "Dominio en local: "
read domain
echo -n "Directorio de Instalación: "
read directory
echo "Creamos la ubicacion en $directory y otorgamos Permisos"
cd $directory
echo "Descargamos la ultima version, sin vendors"
wget http://symfony.com/get/Symfony_Standard_2.1.0.tgz
tar zxpf Symfony_Standard_2.1.0.tgz
rm Symfony_Standard_2.1.0.tgz
mv Symfony $domain
cd $domain
echo "Decargamos e instalamos Vendors"
curl -s http://getcomposer.org/installer | php
php composer.phar install
sudo setfacl -R -m u:www-data:rwx -m u:`whoami`:rwx app/cache app/logs
sudo setfacl -dR -m u:www-data:rwx -m u:`whoami`:rwx app/cache app/logs
echo "Creamos el servidor virtual"
echo "" >> /etc/apache2/sites-enabled/000-default
echo "" >> /etc/apache2/sites-enabled/000-default
echo "<VirtualHost *:80>" >> /etc/apache2/sites-enabled/000-default
echo "  ServerName $domain" >> /etc/apache2/sites-enabled/000-default
echo "  DocumentRoot "$directory/$domain/web"" >> /etc/apache2/sites-enabled/000-default
echo "  DirectoryIndex app.php" >> /etc/apache2/sites-enabled/000-default
echo "  <Directory "$directory/$domain/web">" >> /etc/apache2/sites-enabled/000-default
echo "    AllowOverride All" >> /etc/apache2/sites-enabled/000-default
echo "    Allow from All" >> /etc/apache2/sites-enabled/000-default
echo "  </Directory>" >> /etc/apache2/sites-enabled/000-default
echo "</VirtualHost> " >> /etc/apache2/sites-enabled/000-default
echo ------------------- "Creamos el indicamos donde esta en alias"
echo "127.0.0.1       $domain" >> /etc/hosts
echo ------------------- "Reiniciamos el Servidor Apache"
sudo /etc/init.d/apache2 restart
firefox http://$domain/app_dev.php