#!/bin/bash

if [ -z "$1" ]; then
	echo Error: no name >&2
	exit 1
fi

if ! screen -ls | grep -q qemu-arch; then
	screen-detach "qemu-arch-$1" \
		qemu-system-x86_64 "$HOME/lfs/vm/$1" \
			-display none \
			-m 2G \
			-accel kvm -cpu host \
			-net nic -net user,hostfwd=tcp:127.0.0.1:2222-:22
fi

screen -ls | grep qemu-arch
if ! screen -ls | grep -q "qemu-arch-$1"; then
	echo Error: another kind is running >&2
	exit 1
fi

while true; do
	ssh arch@127.0.0.1 -p 2222 && break
	sleep 5
done