Answer by Abdennour TOUMI for How do I get the current branch name in Git?

Add it to PS1 using Mac :

PS1='\W@\u >`[ -d .git ] && git branch | grep  ^*|cut -d"" -f2`> $ '

Before running the command above :

After running that command :

Dont worry, if it is not GIT repository , it will not display error because of [-d .git] which checks if .git folder exists or not.