Base configuration
Global for me: add them on ~/.gitconfig
[alias]
s = status -s
unstage = reset HEAD --
last = log -l HEAD
lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
branch-name = rev-parse --abbrev-ref HEAD