#!/bin/sh

set -xeu pipefail

name=$1
overlay=$2
port=$3

steam mkdir -p \
  "/opt/l4d2/servers/$name" \
  "/opt/l4d2/servers/$name/work" \
  "/opt/l4d2/servers/$name/upper" \
  "/opt/l4d2/servers/$name/merged"

mountpoint -q "/opt/l4d2/servers/$name/merged" && umount "/opt/l4d2/servers/$name/merged"
mount -t overlay overlay \
  -o "lowerdir=/opt/l4d2/overlays/$overlay:/opt/l4d2/installation,upperdir=/opt/l4d2/servers/$name/upper,workdir=/opt/l4d2/servers/$name/work" \
  "/opt/l4d2/servers/$name/merged"

steam "/opt/l4d2/servers/$name/merged/srcds_run" -game left4dead2 -ip 0.0.0.0 -port $port +hostname "Crone $name" +map c1m1_hotel