Blog

Notes on git internals, object storage, and building mgit.

Jun 22, 2026
Inside git packfiles: deltas, the index, and the .pack format

Loose objects don't scale to millions of files. Packfiles roll thousands of objects into one delta-compressed blob, with a companion index for O(log n) lookups. Here's how the format works.

#git #internals #packfiles #storage
Jun 20, 2026
The four git object types: blobs, trees, commits, and tags

Everything in a git repository boils down to four object types stored in a content-addressable key-value store. Here's how blobs, trees, commits, and tags fit together.

#git #internals #storage