I backed up a git project, and got “fatal: Not a Git Repository”

Question

I backed up a git folder from Linux onto a FAT32 external drive, and copied it back later, and it said

fatal: Not a git repository (or any of the parent director         


        

Answer 1

How to break your git repository suggests trying either

find . -type f -print0 | xargs -0 chmod a-x

or renaming head to HEAD.

The latter fixed it for me.