You can also use:

http://robloach.github.io/component-installer/

To install assets if that is of any interest..

On Sat, Oct 19, 2013 at 11:00:19AM -0700, David Buchmann wrote:
>    In src/Cmf/MainBundle/Composer/ScriptHandler.php:
> 
>  > @@ -0,0 +1,81 @@
>  > +<?php
>  > +
>  > +namespace Cmf\MainBundle\Composer;
>  > +
>  > +use Symfony\Component\ClassLoader\ClassCollectionLoader;
>  > +use Symfony\Component\Filesystem\Filesystem;
>  > +use Symfony\Component\Process\Process;
>  > +
>  > +/**
>  > + * Post install handler for the cmf website
>  > + *
>  > + * @author David Buchmann
>  > + */
>  > +class ScriptHandler
> 
>    [1]@Seldaek would you see any interest of having a slippy script handler
>    in the slippy repo? its rather hackish, but to make things more elegant, i
>    would have had to refactor slippy quite a bit...
> 
>    —
>    Reply to this email directly or [2]view it on GitHub.
> 
> References
> 
>    Visible links
>    1. https://github.com/Seldaek
>    2. https://github.com/symfony-cmf/symfony-cmf-website/pull/39/files#r7079984