git checkout -f master

Warning: you are leaving 1 commit behind, not connected to
any of your branches:

  e23efc8 1f5a36d61d5ed0e0a098202d1504f56f898465f5

If you want to keep them by creating a new branch, this may be a good time
to do so with:

 git branch new_branch_name e23efc8

Switched to branch 'master'
Your branch is up-to-date with 'origin/master'.