#!/bin/bash NAME=NAME_PLACEHOLDER NIX_DISK_IMAGE=NIX_DISK_IMAGE_PLACEHOLDER if ! test -e "$NIX_DISK_IMAGE"; then qemu-img create -f qcow2 "$NIX_DISK_IMAGE" 512M || exit 1 fi # Create a directory for storing temporary data of the running VM. if [ -z "$TMPDIR" -o -z "$USE_TMPDIR" ]; then TMPDIR=$(mktemp -d nix-vm.XXXXXXXXXX --tmpdir) fi # Create a directory for exchanging data with the VM. mkdir -p $TMPDIR/xchg cd $TMPDIR NIX_SYSTEM="NIX_SYSTEM_PLACEHOLDER" # Start QEMU. qemu-system-x86_64 -enable-kvm \ -name NAME_PLACEHOLDER \ -m 1024 \ -smp 1 \ -device virtio-rng-pci \ -net nic,netdev=user.0,model=virtio -netdev user,id=user.0${QEMU_NET_OPTS:+,$QEMU_NET_OPTS} \ -spice port=PORT_PLACEHOLDER,addr=127.200.0.1,disable-ticketing,image-compression=off,seamless-migration=on \ -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \ -virtfs local,path=/nix/store,security_model=none,mount_tag=store,readonly \ -virtfs local,path=$TMPDIR/xchg,security_model=none,mount_tag=xchg \ -virtfs local,path=${SHARED_DIR:-$TMPDIR/xchg},security_model=none,mount_tag=shared \ -drive index=0,id=drive$((0 + 1)),file=$NIX_DISK_IMAGE,cache=writeback,werror=report,if=virtio \ -kernel ${NIX_SYSTEM}/kernel \ -initrd ${NIX_SYSTEM}/initrd \ -append "$(cat ${NIX_SYSTEM}/kernel-params) init=${NIX_SYSTEM}/init regInfo=/nix/store/622pn30mg7z4knkrqsh3acrjyaiyq6sr-closure-info/registration" \ -device qxl-vga,vgamem_mb=256 #-display gtk