mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2024-09-11 07:15:54 +03:00
This modification add a way to re-evaluate the module system with a different version of NixOS, or with a different set of arguments.
52 lines
1.4 KiB
Nix
52 lines
1.4 KiB
Nix
{ configuration ? import ./lib/from-env.nix "NIXOS_CONFIG" <nixos-config>
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, system ? builtins.currentSystem
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, extraModules ? []
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# This attribute is used to specify a different nixos version, a different
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# system or additional modules which might be set conditionally.
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, reEnter ? false
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}:
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let
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reEnterModule = {
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config.nixos.path = with (import ../lib); mkIf reEnter (mkForce null);
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config.nixos.configuration = configuration;
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};
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eval = import ./lib/eval-config.nix {
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inherit system;
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modules = [ configuration reEnterModule ] ++ extraModules;
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};
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inherit (eval) pkgs;
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# This is for `nixos-rebuild build-vm'.
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vmConfig = (import ./lib/eval-config.nix {
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inherit system;
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modules = [ configuration reEnterModule ./modules/virtualisation/qemu-vm.nix ] ++ extraModules;
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}).config;
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# This is for `nixos-rebuild build-vm-with-bootloader'.
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vmWithBootLoaderConfig = (import ./lib/eval-config.nix {
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inherit system;
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modules =
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[ configuration reEnterModule
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./modules/virtualisation/qemu-vm.nix
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{ virtualisation.useBootLoader = true; }
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];
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}).config;
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in
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{
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inherit (eval.config.nixos.reflect) config options;
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system = eval.config.system.build.toplevel;
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vm = vmConfig.system.build.vm;
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vmWithBootLoader = vmWithBootLoaderConfig.system.build.vm;
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# The following are used by nixos-rebuild.
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nixFallback = pkgs.nixUnstable;
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}
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