gistfile1.sh

function parse_git_branch {
  ref=$(git symbolic-ref HEAD 2> /dev/null) || return
  echo " ("${ref#refs/heads/}")"
}

export PS1="\[\e[0;37m\][\[\e[0;31m\]\u\[\e[1;37m\]@\[\e[0;32m\]\h\[\e[0;37m\]] \[\e[1;37m\]\w\$(parse_git_branch) \$ \[\e[0;37m\]"
[[ "${TERM}" == "screen" ]] && echo -n -e '\ek'${HOSTNAME%%.*}'\e\'

For those who want to make their prompts look like mine. :)