Track how much time you spend waiting for you Swift project to compile over the day

compile-time.sh

#!/bin/bash

# Start this in the morning when you get to work
# Control+C to kill it before you leave
# The time spent is printed on the screen
# Use it to make a case for a faster laptop!


INTERVAL=5
COMPILE_TIME=0
ALL_TIMES=()
PREV_TIME=0

trap ctrl_c INT

function ctrl_c() {

    max=0
    for v in ${ALL_TIMES[@]}; do
        if (( $v > $max )); then max=$v; fi; 
    done

    TIME_SPENT_S=$(date -u -r $max +%T)
    TIME_SPENT=$(date -u -r $COMPILE_TIME +%T)
    echo -en "\n"
    echo -en "Longest build time : $TIME_SPENT_S\n"
    echo -en "Number of builds   : ${#ALL_TIMES[@]}\n"
    echo -en "Total time spent   : $TIME_SPENT\n"
    exit 0
}

while true;
do
    SWIFTC_TASKS=$(ps -A | grep -v grep | grep -i swiftc | wc -l | sed -e 's/ //g')
 
    if [ "$SWIFTC_TASKS" -gt 0 ]
    then
        COMPILE_TIME=$((COMPILE_TIME + INTERVAL))
        PREV_TIME=$((PREV_TIME + INTERVAL))
        echo -en "($COMPILE_TIME)"
    else
        echo -en "-"

        if [ "$PREV_TIME" -gt 0 ]
        then
            ALL_TIMES+=($PREV_TIME)
            PREV_TIME=0
        fi
    fi

    sleep $INTERVAL
done