How Can I Add a Custom Addon to Consuming App

I know that with ember install you can use ember install<repo-username>/<repo-name>.git. I’m not sure if this works when using addAddonsToProject but I think it might.

I would try:

afterInstall: function (options) {
  return this.addAdddonsToProject({
    packages: [

Also, as mentioned in the Welcome to the Ember.js Discussion Forum: