{ options, config, lib, pkgs, ... }:
with lib;
with lib.custom;
let
    cfg = config.modules.desktop.vm.qemu;
in {
    options.modules.desktop.vm.qemu = {
        enable = mkBoolOpt false;
    };

    config = mkIf cfg.enable {
        environment.systemPackages = with pkgs; [
            qemu
        ];
    };
}

# Creating an image:
#   qemu-img create -f qcow2 disk.img
# Creating a snapshot (don't tamper with disk.img):
#   qemu-img create -f qcow2 -b disk.img snapshot.img