Custom Git settings on a Mac OS bash prompt

bash_profile

# ~/.bash_profile

export PATH="/usr/local/bin:/usr/local/sbin:~/bin:$PATH"

# Auto-completion helper when you hit tab

if [ -f $(brew --prefix)/etc/bash_completion ]; then
  . $(brew --prefix)/etc/bash_completion
fi

# Show current branch on prompt, coloured green

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

export PS1="\u@\h \W\[\033[32m\]\$(parse_git_branch)\[\033[00m\] $ "