Detached HEAD：什么时候发生、为什么不等于数据立刻丢失 | Git
本章覆盖：checkout tag / commit；detached state；experiment；build historical version；commit in detached state；unreachable risk after moving away；reflog recovery；create branch；CI often operates on detached commit；detached HEAD 本身不是错误。
本章知识点
- checkout tag / commit
- detached state
- experiment
- build historical version
- commit in detached state
- unreachable risk after moving away
- reflog recovery
- create branch
- CI often operates on detached commit
- detached HEAD 本身不是错误