Have you followed the instructions here? It appears other people have had zsh problems too.
Git_prompt_info looks like a function you need to declare in your shell, or in your zsh equivalent to .profile or .bashrc:
Have you followed the instructions here? It appears other people have had zsh problems too.
Git_prompt_info looks like a function you need to declare in your shell, or in your zsh equivalent to .profile or .bashrc: