git add remote

C++
 git config --get remote.origin.url git remote -v
 git remote set-url origin https://github.com/USERNAME/REPOSITORY.git$ git remote -v
> origin  https://github.com/USERNAME/REPOSITORY.git (fetch)
> origin  https://github.com/USERNAME/REPOSITORY.git (push)

Change your remote\'s URL from HTTPS to SSH with the git remote set-url command.
$ git remote set-url origin [email protected]:USERNAME/REPOSITORY.git

Verify that the remote URL has changed.
$ git remote -v
# Verify new remote URL
> origin  [email protected]:USERNAME/REPOSITORY.git (fetch)
> origin  [email protected]:USERNAME/REPOSITORY.git (push)$ git remote add origin https://github.com/user/repo.git
# Set a new remote

$ git remote -v
# Verify new remote
> origin  https://github.com/user/repo.git (fetch)
> origin  https://github.com/user/repo.git (push)# If you require full output and you are on a network that can reach the remote repo where the origin resides 
git remote show origin
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

Source

Also in C++: