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default.nix
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default.nix
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{ configuration ? import ./lib/from-env.nix "NIXOS_CONFIG" <nixos-config>
, targetSystem ? builtins.currentSystem
, hostSystem ? builtins.currentSystem
, extraModules ? []
# This attribute is used to specify a different nixos version, a different
# system or additional modules which might be set conditionally.
, reEnter ? false
}:
let
reEnterModule = {
config.nixos.path = with (import ../lib); mkIf reEnter (mkForce null);
config.nixos.configuration = configuration;
};
eval = import ./lib/eval-config.nix {
inherit targetSystem hostSystem;
modules = [ configuration reEnterModule ] ++ extraModules;
};
inherit (eval) pkgs;
# This is for `nixos-rebuild build-vm'.
vmConfig = (import ./lib/eval-config.nix {
inherit targetSystem hostSystem;
modules = [ configuration reEnterModule ./modules/virtualisation/qemu-vm.nix ] ++ extraModules;
}).config;
# This is for `nixos-rebuild build-vm-with-bootloader'.
vmWithBootLoaderConfig = (import ./lib/eval-config.nix {
inherit targetSystem hostSystem;
modules =
[ configuration reEnterModule
./modules/virtualisation/qemu-vm.nix
{ virtualisation.useBootLoader = true; }
];
}).config;
in
{
inherit (eval.config.nixos.reflect) config options;
system = eval.config.system.build.toplevel;
vm = vmConfig.system.build.vm;
vmWithBootLoader = vmWithBootLoaderConfig.system.build.vm;
# The following are used by nixos-rebuild.
nixFallback = pkgs.nixUnstable;
}