var nodegit = require("nodegit");

var Git = function (sshUrl) {
    this._sshUrl = sshUrl;
}

Git.prototype.clone = function (cb) {
    console.log(__dirname)
    var sshKeySet = nodegit.Cred.sshKeyNew,
        user = 'username',
        pass = 'pass',
        path = '/tmp/somewhere',
        publickey = __dirname + '/ssh.pub',
        privatekey = __dirname + '/ssh',
        options = {
            remoteCallbacks: {
                credentials: function () {
                    return sshKeySet(user, publickey, privatekey, pass);
                }
            }
        };
    nodegit.Clone.clone(this._sshUrl, 'tmp', options).then(function (repo) {
            console.log('repo');
            console.log('done')
        }, function () {
        console.log(arguments);
    });
};

var git = new Git('ssh://id@url.rhcloud.com/~/git/appname.git');
git.clone(function () {
    console.log('callback');
});