brew install git bash-completion
Configure things:
git config --global user.name "Your Name"
git config --global user.email "you@example.com"
brew install git bash-completion
Configure things:
git config --global user.name "Your Name"
git config --global user.email "you@example.com"
create different ssh key according the article Mac Set-Up Git
$ ssh-keygen -t rsa -C "your_email@youremail.com"