Instead of manually setting debug to true or false, this should make it possible to now run the test like this: nix-build nixos/tests/virtualbox.nix --arg debug true Signed-off-by: aszlig <aszlig@redmoonstudios.org>
*** 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.