(Mac) -bash: __git_ps1: command not found

Question

I\'m trying to change my command promt in terminal. I keep getting the error:

-bash: __git_ps1: command not found

I\'ve tried it just by typing

Answer 1

this works in OS 10.8 in the .bash_profile

if [ -f ~/.git-prompt.sh ]; then
  source ~/.git-prompt.sh
  export PS1='YOURNAME[\W]$(__git_ps1 "(%s)"): '
fi