nixpkgs/nixos/modules/virtualisation/build-vm.nix

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{ config, extendModules, lib, ... }:
let
inherit (lib)
mkOption
;
vmVariant = extendModules {
modules = [ ./qemu-vm.nix ];
};
vmVariantWithBootLoader = vmVariant.extendModules {
modules = [
({ config, ... }: {
_file = "nixos/default.nix##vmWithBootLoader";
virtualisation.useBootLoader = true;
virtualisation.useEFIBoot =
config.boot.loader.systemd-boot.enable ||
config.boot.loader.efi.canTouchEfiVariables;
})
];
};
in
{
options = {
virtualisation.vmVariant = mkOption {
description = ''
Machine configuration to be added for the vm script produced by `nixos-rebuild build-vm`.
'';
inherit (vmVariant) type;
default = {};
visible = "shallow";
};
virtualisation.vmVariantWithBootLoader = mkOption {
description = ''
Machine configuration to be added for the vm script produced by `nixos-rebuild build-vm-with-bootloader`.
'';
inherit (vmVariantWithBootLoader) type;
default = {};
visible = "shallow";
};
};
config = {
system.build = {
vm = lib.mkDefault config.virtualisation.vmVariant.system.build.vm;
vmWithBootLoader = lib.mkDefault config.virtualisation.vmVariantWithBootLoader.system.build.vm;
};
};
# uses extendModules
meta.buildDocsInSandbox = false;
}