$ git fetch upstream
> remote: Enumerating objects: 82, done.
> remote: Counting objects: 100% (82/82), done.
> remote: Compressing objects: 100% (44/44), done.
> remote: Total 91 (delta 53), reused 30 (delta 30), pack-reused 9
> Unpacking objects: 100% (91/91), done.
> From https://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY
> * [new branch] master -> upstream/master