git diff：Working Tree、Index、HEAD 三层比较 | Git

本章覆盖：`git diff`；working tree vs index；`git diff --staged`；index vs HEAD；`git diff HEAD`；current work vs HEAD；patch；hunk；context line；`+` / `-`；commit 前必须知道自己将提交什么。

本章知识点

  • git diff
  • working tree vs index
  • git diff --staged
  • index vs HEAD
  • git diff HEAD
  • current work vs HEAD
  • patch
  • hunk
  • context line
  • + / -
  • commit 前必须知道自己将提交什么