Update a forked repository in GitHub (use local download and git CLI)

gistfile1.txt

https://stackoverflow.com/questions/48765859/github-this-branch-is-n-commits-behind

Don't try it with the github site (it's possible but a bad idea). Instead use the "clean" way and do this from inside the dir with your git-repo:

    Tell your repository about the original one:

    git remote add upstream git://github.com/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git
    Get the original branches: git fetch upstream
    Pull in the original data in to your branch: git pull upstream master
    Push this to your github repository: git push