紀錄一下比對 local branch 及 remote branch 的語法
# 指令
git diff <local-branch> <remote>/<remote-branch>
# 如果要看這次的修改 <commit> 會對遠端分支造成什麼變動，可以改變 branch 的位置
git diff <remote>/<remote-branch> <local-branch>
# 更簡潔的版本
git diff origin
git diff @{upstream}
git diff @{push}
參考資料
https://stackoverflow.com/questions/1800783/how-to-compare-a-local-git-branch-with-its-remote-branch
@{upstream} & @{push} 解釋
https://mirrors.edge.kernel.org/pub/software/scm/git/docs/gitrevisions.html#_specifying_revisions