Useful Git commands for working with forks of other repos

Git - working with forks

To show all the remotes the repo is pointing to:
`git remote -v`

To add the upstream repo to the list of remotes:
`git remote add upstream <git@github.com:<repo-owner>/<repo-name.git>`

To fetch all the changes from upstream to the local repo:
`git fetch upstream`

To set up the master branch to track the remote master branch from upstream
`git branch --set-upstream-to=upstream/master master`