moth/packages/mcp/bin/run-ctf

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#! /bin/sh
# First argument is seconds between running everything
period=${1:-60}
packages=$CTF_BASE/packages
state=$CTF_BASE/state
www=$CTF_BASE/www
BIN=$packages/mcp/bin
NEWPOINTS=$state/points.new
POINTS=$state/points.log
SCOREBOARD=$www/scoreboard.html
if ! [ -f $SCOREBOARD ]; then
$BIN/scoreboard < $POINTS > $SCOREBOARD
fi
while true; do
start=$(date +%s)
next=$(expr $start + $period)
# Collect any new points
for fn in $NEWPOINTS/*; do
[ -f $fn ] || continue
cat $fn >> $POINTS || break
rm $fn
done
# Render scoreboard
if [ $POINTS -nt $SCOREBOARD ]; then
$BIN/scoreboard < $POINTS > $SCOREBOARD.new && mv $SCOREBOARD.new $SCOREBOARD
fi
now=$(date +%s)
if [ $now -lt $next ]; then
sleep $(expr $next - $now)
fi
done