mkdir ~/source
cd ~/source
git clone https://github.com/arzzen/git-quick-stats.git
mkdir ~/bin
ln -s ~/source/git-quick-stats/git-quick-stats ~/bin/git-quick-stats
chmod +x ~/bin/git-quick-stats
export PATH=${PATH}:~/bin
// optionally add export PATH=${PATH}:~/bin
to ~/.zshrc
echo 'export PATH=${PATH}:~/bin' >> ~/.zshrc
// fire cmd
git-quick-stats