70 lines
1.9 KiB
Nix
70 lines
1.9 KiB
Nix
# This function creates a NixOS system based on our VM setup for a
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# particular architecture.
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{
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nixpkgs,
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overlays,
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inputs,
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}: name: {
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system,
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user,
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darwin ? false,
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extraModules ? [],
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}: let
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# True if this is a WSL system.
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# True if Linux, which is a heuristic for not being Darwin.
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mkIfElse = p: yes: no:
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nixpkgs.lib.mkMerge [
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(nixpkgs.lib.mkIf p yes)
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(nixpkgs.lib.mkIf (!p) no)
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];
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nixindex = mkIfElse darwin inputs.nix-index-database.darwinModules.nix-index inputs.nix-index-database.nixosModules.nix-index;
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host = mkIfElse darwin "laptop" "desktop";
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# The config files for this system.
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hostConfig = ../hosts/${host}/configuration.nix;
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# NixOS vs nix-darwin functions
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systemFunc = mkIfElse darwin inputs.darwin.lib.darwinSystem nixpkgs.lib.nixosSystem;
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home-manager =
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if darwin
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then inputs.home-manager.darwinModules
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else inputs.home-manager.nixosModules;
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in
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systemFunc rec {
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inherit system;
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modules =
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[
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# Apply our overlays. Overlays are keyed by system type so we have
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# to go through and apply our system type. We do this first so
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# the overlays are available globally.
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{nixpkgs.overlays = overlays;}
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{inputs.programs.nix-index-database.comma.enable = true;}
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hostConfig
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nixindex
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home-manager.home-manager
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{
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home-manager = {
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useGlobalPkgs = true;
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useUserPackages = true;
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backupFileExtension = "hm-backup";
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extraSpecialArgs = {inherit inputs;};
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};
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}
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# We expose some extra arguments so that our modules can parameterize
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# better based on these values.
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{
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config._module.args = {
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currentSystem = system;
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currentSystemName = name;
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currentSystemUser = user;
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inherit inputs;
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};
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}
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]
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++ extraModules;
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}
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