git notes

git notes.md

commands	scope	common user cases
git reset	Commit	Discard commits in a private branch or throw away uncommited changes
git reset	File	Unstage a file
git checkot	Commit	switch between branches or inspect old snapshot
git checkout	File	Discard changes in the working directory
git revert	commit	Undo commits in a public branch
git revert	File	不支持
git push -u origin master	persistence	on next push, "origin master" can be ommitted.