nodegit_snippet2.js

var config = {
    
    "options": {
    "privateKey": "<pathToPrivateKey>/MyKeyFile",
    "publicKey": "<pathToPublicKey>/MyKeyFile.pub",
    "passphrase": "Y0ur.P@5$p#rAse.G0e5.H3rE!",
    "twoWaySync": true,
    "sshUrl": "<get_this_sshUrl_from_git>",
    "signature_name": "Someone's Name",
    "signature_email": "SomeoneWho@isMakingThisCommit.dev"
  }
}

function InitGit(options) {
    debug.info("Initializing Git...");

    //Fetch values from config. 
    privateKey = options.privateKey;
    publicKey = options.publicKey;
    passphrase = options.passphrase;
    twoWaySync = options.twoWaySync;
    url = options.sshUrl;
    signature_name = options.signature_name;
    signature_email = options.signature_email;

    credentialsCallback = {
        credentials: function (url, userName) {
            return nodegit.Cred.sshKeyNew(userName, publicKey, privateKey, passphrase);
        }
    }
}