RESET="\[\e[0m\]"
RED="\[\e[1;31m\]"
GREEN="\[\e[1;32m\]"
YELLOW="\[\e[1;33m\]"
DKYELLOW="\[\e[0;33m\]"
BLUE="\[\e[1;34m\]"
DKBLUE="\[\e[0;34m\]"
MAGENTA="\[\e[1;35m\]"
DKMAGENTA="\[\e[0;35m\]"
CYAN="\[\e[1;36m\]"
DKCYAN="\[\e[0;36m\]"
WHITE="\[\e[1;37m\]"
DKWHITE="\[\e[0;37m\]"

# permet de mesurer la duree de la derniere commande executee
function lastcommandtimer_start {
    TIMER_HELPER_=${TIMER_HELPER_:-$SECONDS}
}
function lastcommandtimer_stop {
    SECONDS_LAST_COMMAND=$(($SECONDS - $TIMER_HELPER_))
    unset TIMER_HELPER_
}
trap 'lastcommandtimer_start' DEBUG

function promptupdate {
  EXITSTATUS="$?"
  lastcommandtimer_stop
  PROMPT="";
  if [ "$SECONDS_LAST_COMMAND" -gt 5 ]; then
    PROMPT="^$MAGENTA$SECONDS_LAST_COMMAND sec$RESET^ ";
  fi
  PROMPT="$PROMPT$BLUE\@$DKWHITE|$DKYELLOW\w$RESET > "
  if [ "${EXITSTATUS}" -eq 0 ]; then
    PS1="${PROMPT}"
  else
    PS1="[exit: $RED$EXITSTATUS $DKRED:-($RESET] ${PROMPT}"
  fi
}

if [ -n "$PS1" ]; then # test for interractive shell
    PROMPT_COMMAND=promptupdate
fi