How to use jq to extract new posts from a JSON Feed
I’m currently looking into ways to automate some stuff around new posts on this page (be it blog or TIL post) directly during the page build on GitHub Actions. For this, I first need to be able to reliably detect new posts, from a bash run step. So here’s how to do that with jq. The idea is to get the current feed.json prior to publishing the page, and then compare it to the one that was just generated during the build. If there are any differences, we know that there are new posts and can trigger further actions from there. ...