I am an expert user. I've been using git almost every day for months. I've read about it's underlying data model and could write a tool that used it if I really

I am an expert user. I've been using git almost every day for months. I've read about it's underlying data model and could write a tool that used it if I really needed to. I _still_ have to use Google whenever I try to do anything with git that falls outside my normal workflow.