Merge #172668: installation-cd: add more guest tools to NixOS graphical installation base

nixos/modules/installer/cd-dvd/installation-cd-graphical-base.nix

@@ -35,8 +35,15 @@ with lib;
   # Enable sound in graphical iso's.
   hardware.pulseaudio.enable = true;
 
-  # Spice guest additions
+  # VM guest additions to improve host-guest interaction
   services.spice-vdagentd.enable = true;
+  services.qemuGuest.enable = true;
+  virtualisation.vmware.guest.enable = true;
+  virtualisation.hypervGuest.enable = true;
+  services.xe-guest-utilities.enable = true;
+  # The VirtualBox guest additions rely on an out-of-tree kernel module
+  # which lags behind kernel releases, potentially causing broken builds.
+  virtualisation.virtualbox.guest.enable = false;
 
   # Enable plymouth
   boot.plymouth.enable = true;