#!/bin/bash
# Run a command, suppressing output unless it hangs or crashes.

TMPFILE="$(mktemp)"
PID=$$

# Print output to avoid travis killing us
watchdog() {
    for i in $(seq 5 5 150); do
        sleep 300
        echo "This command has been running for more than $i minutes..."
    done
    echo "Command timed out after 2.5h, dumping logs:"
    cat "$TMPFILE"
    echo "TIMED OUT"
    kill -SIGKILL $PID
}

watchdog 2>/dev/null &
WATCHDOG_PID=$!

time "$@" >"$TMPFILE" 2>&1

CODE=$?
if [ $CODE != 0 ]; then
    tail -n 2000 "$TMPFILE"
    echo "FAILED $CODE"
    kill $WATCHDOG_PID
    exit $CODE
fi

kill $WATCHDOG_PID
exit 0