What is Git made of? (2022)
The article explains the fundamental components of Git, a popular version control system. It details how Git stores data in a hidden directory called .git, which contains various objects such as blobs, trees, and commits. Additionally, it discusses the use of SHA hashes for uniquely identifying objects within a repository.
- ▪Git stores all its internal data in a hidden directory called .git.
- ▪Every source file committed to Git becomes a blob object, while commits and tags are also stored as objects.
- ▪Git uses SHA hashes to uniquely identify objects, with recent versions switching from SHA-1 to SHA-256 to reduce hash collisions.
Opening excerpt (first ~120 words) tap to expand
What is Git made of?Git can be confusing. Git can be scary. Git CLI may be the least intuitive tool you have to use on a daily basis.But also Git is a wonderfully simple and cleverly designed version control system that definitely deserves its popularity.To prove this point I invite you to implement your own tiny Git that would be able to create a local repository, commit a single file to it, view commit logs and checkout a certain revision of that file.It won’t be more than a couple hundred lines of code, we’ll try to keep things as simple as we can.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Zserge.
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