PS1.sh

# Prompt: Exit code red/green && runtime
PROMPT_COMMAND=__prompt_command # Func to gen PS1 after CMDs
__prompt_command() {
    local EXIT="$?"             # This needs to be first
    timer_stop
    PS1=""
    local RCol='\[\e[0m\]'
    local Red='\[\e[0;31m\]'
    local Gre='\[\e[0;32m\]'
    local BYel='\[\e[1;33m\]'
    local BBlu='\[\e[1;34m\]'
    local Pur='\[\e[0;35m\]'
    if [ $EXIT != 0 ]; then
        PS1+="${Red}\u${RCol}"      # Add red if exit code non 0
    else
        PS1+="${Gre}\u${RCol}"
    fi
    local runtime="$(printf "%s:%02s:%02s\n" $((timer_show/3600)) $((timer_show/60%60)) $((timer_show%60)))"
    PS1+="${RCol}@${BBlu}\h ${Pur}\W${BYel} ${runtime}$ ${RCol}"
}
function timer_start {
  timer=${timer:-$SECONDS}
}
function timer_stop {
  timer_show=$(($SECONDS - $timer))
  unset timer
}
trap 'timer_start' DEBUG