Handcrafting Your Git Repository: A Deep Dive into Git Internals
2025-07-17

This article provides a detailed explanation of how to create a Git repository manually without using any git commands. Starting with the creation of necessary directories and files, the author gradually explains how Git objects (blob, tree, commit) are stored and the principle of Content Addressable Storage (CAS). The article also explores Git's pack files and index files, and how to manually create a commit containing files. Finally, the author summarizes the elegance of Git's design and how understanding the underlying mechanisms can lead to better Git usage.
Development
Internals