Useful for setting terminal prompt on macOS or linux

.bash_profile

parse_git_branch() {
    git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

export PS1="\u \[\033[32m\]\w\$(parse_git_branch)\[\033[00m\]\n$ "

# removes annoying startup message
export BASH_SILENCE_DEPRECATION_WARNING=1