#/bin/bash -e

export PATH="/usr/bin:/bin:/usr/sbin:/sbin:/Library/Application Support/VMware Fusion"

VMNAME="$1"
VMX="/Virtual Machines/${VMNAME}.vmwarevm/${VMNAME}.vmx"
if [ ! -f "$VMX" ]
then
	echo "$VMX" not found >&2
	exit 1
fi

function wait_for_host()
{

	local WAIT=180

	while ! [ -e /var/run/vmnet-bridge-vmnet.pid -o -e /var/run/vmnet-bridge-vmnet0.pid ]; do
		local WAIT=$((WAIT - 1))
		if [ $WAIT -le 0 ]
		then
			echo Timeout waiting for VMware drivers.
			exit 1
		fi
		sleep 1
	done

	while ! who | awk '{print $2}' | grep -q ^console$
	do
		local WAIT=$((WAIT - 1))
		if [ $WAIT -le 0 ]
		then
			echo Timeout waiting for console login.
			exit 1
		fi
		sleep 1
	done

}

function is_running()
{
	local VMX="$1"
	ps -eco pid=,command= | awk '{if ($2=="vmware-vmx") print $1}' | while read PID
	do
		if ps -o args= $PID | tr ' ' '\n' | grep -qFx "$VMX"
		then
			return 42 #found
		fi
	done
	[ "$?" == "42" ]
}

wait_for_host

if is_running "$VMX"
then
	echo "$1" already running. Attaching to existing.
else
	vmrun start "$VMX" nogui
fi

trap 'vmrun stop "$VMX" soft' SIGKILL SIGTERM SIGHUP SIGINT

while is_running "$VMX"
do
	sleep 5
done