Forgot to branch in git, need to move changes from master [duplicate]

Answer 1

git branch -M master my-branch

With a -m or -M option, will be renamed to . If had a corresponding reflog, it is renamed to match , and a reflog entry is created to remember the branch renaming. If exists, -M must be used to force the rename to happen.

Source

and then

git fetch origin refs/heads/master:refs/heads/master

or

git branch master my-branch  (or another ref)