How Git Stores Your Code (and why it matters)

Understanding Git Internals: How Commits are Stored & Managed
Welcome to this in-depth exploration of how Git stores and manages your project’s history behind the scenes. In this video, we’ll take a closer look at the .git directory and uncover the mechanics of how Git organizes and retrieves data to track every file change you make.
What You’ll Learn:
The .git Directory Structure: Understand what’s inside the hidden .git folder and why it’s central to all version control operations.
SHA-1 IDs Explained: Discover what a SHA (Secure Hash Algorithm) ID is, and how Git uses these 40-character fingerprints to uniquely identify and reference objects.
Git Objects (Commit, Tree, Blob): Dive into the different object types:
Blob: Represents file snapshots.
Tree: Connects blobs into a directory structure.
Commit: Records a snapshot of trees and points to the commit(s) that came before.
Folder Structure Based on SHA: Learn how Git stores these objects in a hashed directory format based on their SHA IDs, making content retrieval efficient.
Chain of Commits: Understand how multiple commits are linked together through parent references, forming a timeline of project evolution.
By the end of this video, you’ll have a solid understanding of Git’s internal architecture. You’ll see that Git isn’t just a black box-it's a well-structured system that uses cryptographic hashes and linked objects to manage your code’s history with precision and integrity.
Useful Links:
Official Git Documentation: git-scm.com/docs
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