How do I clone into a non-empty directory?

Question

I have directory A with files matching directory B. Directory A may have other needed files. Directory B is a git repo.

I want to clone directory B to directory A bu

Answer 1

Warning - this could potentially overwrite files.

git init     
git remote add origin PATH/TO/REPO     
git fetch     
git checkout -t origin/master -f

Modified from @cmcginty's answer - without the -f it didn't work for me