fajrif

git remote add <remote_name> <original-repo>
# => add remote refs named (whatever) to targeted the original repo

git fetch <remote_name>
git merge <remote_name>/<branch-name>
# => safely gathers any commits from original repo and stores them in your local repo

** if auto-merging conflict, use `git diff --color` to check/edit the files 
   and commit it first before push to the remote repo

fajrif

bundle gem <name> # => to create gem skeleton

gem build <name>.gemspec # => build the gem

gem push <name>.gem # => push the gem to rubygems.org

gem yank <name> -v VERSION # => to yanking the gems