git clone git@github.com:USERNAME-KAMU/REPOSITORY-HASIL-FORK.git
cd REPOSITORY-HASIL-FORK
git remote add upstream https://github.com/USERNAME-PEMILIK-ASLI/REPOSITORY-ASLI.git
git fetch upstream
git pull upstream master
git clone git@github.com:USERNAME-KAMU/REPOSITORY-HASIL-FORK.git
cd REPOSITORY-HASIL-FORK
git remote add upstream https://github.com/USERNAME-PEMILIK-ASLI/REPOSITORY-ASLI.git
git fetch upstream
git pull upstream master