Color-coded git branch for bash prompt

.bash_profile

parse_git_branch() {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* (*\([^)]*\))*/\1/'
}

markup_git_branch() {
  if [[ -n $@ ]]; then
    if [[ -z $(git status --porcelain 2> /dev/null) ]]; then
      echo -e " \001\033[32m\002($@)\001\033[0m\002"
    else
      echo -e " \001\033[31m\002($@)\001\033[0m\002"
    fi
  fi
}

export PS1="\h:\W\$(markup_git_branch \$(parse_git_branch)) \u$ "