remote add upstream code example
Example 1: git add remote
$ git remote add origin https://github.com/user/repo.git
$ git remote -v
> origin https://github.com/user/repo.git (fetch)
> origin https://github.com/user/repo.git (push)
Example 2: git add remote
git remote add heroku https://git.heroku.com/arrecs.git
git remote -v
-> heroku https://git.heroku.com/arrecs.git (fetch)
-> heroku https://git.heroku.com/arrecs.git (push)
git remote remove heroku
git remote -v
Example 3: git remote add upstream
git remote add upstream GIT_DIR