How to use the fork of a repository with Composer

How to use the fork of a repository with Composer

http://tech.osteel.me/posts/2015/08/10/how-to-use-the-fork-of-a-repository-with-composer.html


{  
    "name": "osteel/myproject",  
    "description": "My project.",  
    "license": "MIT",  
    "type": "project",  
    "repositories": [  
        {  
            "type": "vcs",  
            "url": "https://github.com/osteel/guzzle"  
        }  
    ],  
    "require": {  
        "laravel/lumen-framework": "5.1.*",  
        "guzzlehttp/guzzle": "dev-master"  
    }  
}