git-fetch-merge-upstream

git-fetch-merge-upstream.js

// https://help.github.com/articles/configuring-a-remote-for-a-fork/
// https://github.com/Kunena/Kunena-Forum/wiki/Create-a-new-branch-with-git-and-manage-branches
// List current configured remote repo for your fork.
git remote -v

// Specify a new remote upstream repo.
git remote add upstream <GITHUB_REPO_URL>

// https://help.github.com/articles/syncing-a-fork/

// Fetch branches and their respective commits from the upstream repo.
git fetch upstream

// Check out fork's local master branch.
git checkout master

// Merge changes from `upstream/master` into local `master` branch.
git merge upstream/master

// Push to fork with latest sync.
git push -u origin master