Fix a Git detached head?

Question

I was doing some work in my repository and noticed a file had local changes. I didn\'t want them anymore so I deleted the file, thinking I can just checkout a fresh copy. I

Answer 1

Being in "detached head" means that HEAD refers to a specific unnamed commit (as opposite to a named branch) (cf: https://git-scm.com/docs/git-checkout section Detached head)

To fix the problem, you only need to select the branch that was selected before by

git checkout @{-1}