#!/bin/sh

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