list remotes code example
Example 1: git check upstream url
git remote show origin
Example 2: git remote list
git remote -v
Example 3: 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