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Website Source: blog / verizon_blog

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Original source title: I built Git from scratch. Here's what I learned.

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Note: Someone told me once that you don't really understand Git until you've built it. I spent a weekend finding out if that was true. It is. If you've ever stared at a detached HEAD state at 11pm and felt genuinely confused, this project is for you.

I built Git from scratch. Here's what I learned.

  • Project Home: [github.com/yash-srivastava19/verizon](https://github.com/yash-srivastava19/verizon)
  • Language: Python

> *"Git is magic until you understand it. Then it's elegant."*

I've been using Git daily for years. git add, git commit, git push - the muscle memory is so deep I do it without thinking. But for a long time I had this uneasy feeling about it. I knew how to use it but I didn't understand it. There's a difference. You can drive a car without understanding internal combustion. That's fine for most purposes. But if you want to debug when things go wrong - when you're staring at a detached HEAD state at 11pm - you need the mental model.

So I built one from scratch. Verizon - a version control system written in Python, from the ground up.

(The name is a pun: version + control = Verizon, like the telecom. Yes, I'm aware this is a terrible joke. No, I don't regret it.)

Why build it? What do you actually learn?

The honest answer is: you learn that Git is a surprisingly small, elegant data structure wrapped in a lot of UI.

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  • Source section: blog
  • Local source: /home/yashs/Desktop/Programming/yash_blog/yash-srivastava19.github.io/blog/verizon_blog.md
  • Raw copy: raw/website/yash-srivastava19-github-io/blog/verizon_blog.md

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