Manipulating git repositories with Node.js

What do linting, building and testing have in common? They all work best when automated. With services like GitHub’s webhooks, it’s easy to subscribe to certain events on your repository and be notified by a HTTP request. These might be commits being pushed or pull request landing at your repo when you can trigger a build or run your tests. Apart from a webhook, you’ll need a server that will listen at the other end to make it work. Node.js with Express are pretty good at handling requests and you can have them up an running in minutes. What’s left is processing the repository itself. This post is about how to do that with Node.