Git and a hard reset

Question

I have been working on my dev branch for sooo long that nothing in my master is relevant. I would like to totally wipe master clean so I can merge my dev branch in master with a clean slate.

How do I do that?

Answer 1

You can make master be the exact copy of dev by doing the following:

git checkout dev
git push origin dev:master

Answer 2

Why not just delete master and rename your branch to master assuming this is not shared