#!/bin/sh

set -e

if [ -z "$DISK_IMG" ]; then
    echo "ERROR: DISK_IMG is not set"
    exit 1
fi

# Look for OVMF_CODE.fd in /usr/share
ovmf_file=$(find /usr/share -type f -and -name OVMF_CODE.fd 2>/dev/null | head -1)
if [ -z "${ovmf_file}" ]; then
    echo "ERROR: could not find OVMF file"
    exit 1
fi

qemu-system-x86_64 \
    -enable-kvm \
    -nographic \
    -m 256 \
    -net user,hostfwd=tcp::8822-:22 \
    -net nic,macaddr=52:54:00$(od -txC -An -N3 /dev/urandom|tr \  :) \
    -bios ${ovmf_file} \
    -drive format=raw,file=${DISK_IMG} &

qemu_pid=$!

trap qemu_cleanup HUP KILL TERM

qemu_cleanup() {
    kill -s TERM $qemu_pid
}

echo "QEMU started with PID $qemu_pid"
wait $qemu_pid