composer.json

{
    "repositories": [
        {
            "type": "package",
            "package": {
                "name": "leafo/lessphp",
                "version": "0.3.3",
                "source": {
                    "url": "git://github.com/leafo/lessphp.git",
                    "type": "git",
                    "reference": "v0.3.3"
                }
            }
        }
    ],
    "require": {
        "php":                      ">=5.3",
        "symfony/console":          "=2.0.10,<2.1-dev",
        "symfony/yaml":             ">=2.0.10,<2.1-dev",
        "symfony/finder":           ">=2.0.10,<2.1-dev",
        "twig/twig":                "1.6.3",
        "kriswallsmith/assetic":    "1.0.3",
        "knplabs/knp-menu":         "1.0",
        "leafo/lessphp":            "0.3.3"
    },
    "autoload": {
        "psr-0": {
            "Sg": "src/"
        },
        "classmap": ["vendor/leafo/lessphp/"]
    }
}