symfony2 store your assets into the github

app-autoload.php

//app/autoload.php
$loader->registerNamespaces(array(
...
    // add TQ library to namespace
    'TQ'   => __DIR__.'/../vendor/PHP-Stream-Wrapper-for-Git/src',
...

));

....

//at the end of the file
use TQ\Git\Cli\Binary;
use TQ\Git\StreamWrapper\StreamWrapper;

StreamWrapper::register('php-git', new Binary('/usr/bin/git'));

app-config-config.yml

# app/config/config.yml

framework:
# ...
    templating:     
# ...
        assets_base_urls: [https://raw.github.com/liuggio/UsingGitHubAsAssetsCloudFiles/master/]
#
# YOU COULD ALSO USE PACKAGES INTO TWIG IN ORDER TO SPLIT THE FILES IN REPO
#        packages:
#            rscf:
#                base_urls: [https://raw.github.com/liuggio/UsingGitHubAsAssetsCloudFiles/master/]


#...


# Assetic Configuration
assetic:
    debug:          %kernel.debug%
    use_controller: false
    write_to: php-git://UsingGitHubAsAssetsCloudFiles/    # this is the directory /UsingGitHubAsAssetsCloudFiles
    java: /usr/bin/java
    filters: 
        cssrewrite: ~
        cssembed:
            jar: %kernel.root_dir%/Resources/java/cssembed-0.3.6.jar
        closure:
            jar: %kernel.root_dir%/Resources/java/compiler.jar
        yui_css:
            jar: %kernel.root_dir%/Resources/java/yuicompressor-2.4.6.jar
        yui_js:
            jar: %kernel.root_dir%/Resources/java/yuicompressor-2.4.6.jar 

deps

[PHP-Stream-Wrapper-for-Git]
    git=git://github.com/teqneers/PHP-Stream-Wrapper-for-Git.git

UsingGitHubAsAssetsCloudFiles-.git-hooks-post-commit

#!/bin/sh
# in you  /UsingGitHubAsAssetsCloudFiles/.git/hooks/post-commit
git push origin master