Detached HEAD
After git checkout 3f9c2ab Git says you are in "detached HEAD" state. What does that mean?
git checkout 3f9c2ab
Choose one answer
HEAD points directly at a commit instead of a branch; new commits you make here are not on any branch and can be lost when you switch away.
The remote has deleted the branch.
You cannot run any Git commands until you re-clone.
The repository is corrupted.