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I Built Git in JavaScript… and You Can Too! (Step-by-Step Tutorial)

You type git commit a dozen times a day—but what actually happens when you hit Enter? What if I told you that you could domesticate version control forever—by building your own modern Git clone from scratch? Meet GITTY—a simplified, beautiful Git clone we’re going to build together using Node.js. By the end of this journey, you won’t just use Git—you’ll finally understand how it works under the hood. Oh, and bonus? You’ll have an incredible project for your portfolio. Let’s dive in.

Jun 16, 2025 - 21:40
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I Built Git in JavaScript… and You Can Too! (Step-by-Step Tutorial)

You type git commit a dozen times a day—but what actually happens when you hit Enter?

What if I told you that you could domesticate version control forever—by building your own modern Git clone from scratch?

Meet GITTY—a simplified, beautiful Git clone we’re going to build together using Node.js. By the end of this journey, you won’t just use Git—you’ll finally understand how it works under the hood.

Oh, and bonus? You’ll have an incredible project for your portfolio.

Let’s dive in.

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