OS X .bash_profile entry to color and format the bash prompt as: user@host: pwd [gitrepo(*)] →

.bash_profile

function parse_git_dirty {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo "*"
}
function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/[\1$(parse_git_dirty)]/"
}
export PS1='\n\[\033[1;31m\]\u\[\033[0;96m\]@\h: \[\033[1;92m\]\w \[\033[1;33m\]$(parse_git_branch)\n\[\033[1;33m\]→ \[\033[0m\]'