How to initialize git in an existing project and compare what's changed with the remote repository?

Question

git

Hello.
There is a folder in which there are files not under the git and there is a remote repository in which the same files are located, but newer, with new edits. How to initialize git and compare with remote repository? You need to make sure that there are no files in this folder other than the remote repository.

Answer 1

git init
git add .
git commit
git remote add <remote-name> <url>
git fetch <remote-name>
git diff <remote-name>/<remote-branch>