update_prompt ()
{
    lastFail=$?

    cd -P "$(pwd -P)"  #seriously, I hate the symbolic link path trickery

    bar="$B=$NONE"

    if (($UID == 0))
    then
        startPS1="${EMR}$USER"
    else
        startPS1="${EMM}$USER"
    fi

    tmp="${G}\$ ${NONE}"

    if ((lastFail == 0))
    then
        endPS1="${G}(${lastFail})${tmp}"
    elif ((lastFail == 127))
    then
        endPS1="${R}(${lastFail})${tmp}"
    elif ((lastFail == 130))
    then
        endPS1="${Y}(${lastFail})${tmp}"
    else
        endPS1="${EMY}(${lastFail})${tmp}"
    fi


    files=$(ls | wc -l | sed 's/[\t\n\v ]//g')
    mem=$(free -m | grep '^Mem:')


    memTotal=$(awk '{ print $2 }' <<< $mem)
    memUsed=$( awk '{ print $3 }' <<< $mem)

    diskRaw=$(df)

    for mountPoint in $(echo "$diskRaw" | tail -n +2 | awk '{print $6}' | tac)
    do
        if (grep "$mountPoint" <<< "$PWD")
        then
            mPoint="$mountPoint"
            break
        fi
    done >/dev/null

    mPoint="${mountPoint:-/}"



    disk=$(df -B 1048576 "${mPoint}" | head -n 2 | tail -n 1)
    diskTotal="$(awk '{ print $2 }' <<< $disk)"
    diskUsed="$( awk '{ print $3 }' <<< $disk)"

    if ((diskTotal > 1024*10))
    then
        disk=$(df -B 1073741824 "${mPoint}" | head -n 2 | tail -n 1)
        diskTotal="$(awk '{ print $2 }' <<< $disk)G"
        diskUsed="$( awk '{ print $3 }' <<< $disk)G"
    else
        diskTotal="$(awk '{ print $2 }' <<< $disk)M"
        diskUsed="$( awk '{ print $3 }' <<< $disk)M"
    fi

    PS1="\n\
$B/-$NONE(${startPS1}${EMM}@\h${NONE})\
${bar}(${EMC}\t${NONE})\
${bar}(${EMG}${diskUsed}/${diskTotal}${NONE})\
${bar}(${EMM}${memUsed}M/${memTotal}M${NONE})\
${bar}(${EMR}\j ${Y}\! ${EMY}\#${NONE})\n\
$B:-$NONE(${EMR}${files} ${EMY}\w${NONE})
$B\-${endPS1}"

}


export PROMPT_COMMAND="update_prompt"