change terminal branch color mac code example

Example: show git branch on terminal on mac

# Git branch in prompt.parse_git_branch() {git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ [\1]/'}export PS1="\u@\h \W\[\033[01;33m\]\$(parse_git_branch)\[\033[00m\] $ "