c_cyan=`tput setaf 6`
c_blue=`tput setaf 4`
    c_red=`tput setaf 1`
    c_green=`tput setaf 2`
    c_sgr0=`tput sgr0`

    parse_git_branch ()
    {
      if git rev-parse --git-dir >/dev/null 2>&1
      then
              gitver=$(git branch 2>/dev/null| sed -n '/^\*/s/^\* //p')
      else
              return 0
      fi
      echo -e " ($gitver)"
    }

    branch_color ()
    {
            if git rev-parse --git-dir >/dev/null 2>&1
            then
                    color=""
                    if git diff --quiet 2>/dev/null >&2
                    then
                            color="${c_green}"
                    else
                            color=${c_red}
                    fi
            else
                    return 0
            fi
            echo -ne $color
    }

        PS1='${debian_chroot:+($debian_chroot)}\[${c_green}\]\u@\h\[${c_sgr0}\]:\[${c_blue}\]\w\[$(branch_color)\]$(parse_git_branch)\[${c_sgr0}\]$ '