
Use xmlstarlet to update the OVMF path on each startup, like we do for <emulator>...qemu-kvm</emulator>. A libvirt domain using UEFI cannot start if the OVMF path is garbage collected/missing.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.