Git Object Database：blob、tree、commit、tag | Git
本章覆盖：blob object；tree object；commit object；annotated tag object；content-addressable storage；SHA-1 / SHA-256 仓库格式演进认知；object id；immutable object；object graph；branch 不是“复制了一份代码”。
本章知识点
- blob object
- tree object
- commit object
- annotated tag object
- content-addressable storage
- SHA-1 / SHA-256 仓库格式演进认知
- object id
- immutable object
- object graph
- branch 不是“复制了一份代码”