[Nix-dev] nixops virtualbox disk size

[Tomas Hlavaty]

> There is also virtualization.diskSize.

Hmm, sorry for misinformation.  Although the name sounds quite
universal, it is used only with qemu.  It certainly works when writing
tests that run in qemu VM.

virtualisation.memorySize is used even in virtualbox tests but no
diskSize.  Virtualbox seems to require virtualbox.baseImageSize so it is
a shame that it is not unified.

I would recommend to git clone nixpkgs repository and grep through and
read a bit of nix package files to get the idea, how things are
configured.