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Git is the most widely used version control tool today, but what is actually happening when you perform a `git add` or a `git commit`?

To answer this question Vaibhav is going to walk through a small implementation of Git in Haskell. Along the way, he'll touch on functional data structures, content-addressable stores, and parser combinators. At the end, he'll analyse an entire Git repository and talk about the practical applications and limitations of what he's built. His hope is that this knowledge will help you be less frustrated the next time you see a cryptic Git error message!

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