112 lines
3.3 KiB
Nix
112 lines
3.3 KiB
Nix
{
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description = "Nixos config flake";
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# Package sources.
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inputs = {
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nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
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nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
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disko = {
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url = "github:nix-community/disko";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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home-manager = {
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url = "github:nix-community/home-manager/release-24.11";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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home-manager-unstable = {
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url = "github:nix-community/home-manager/master";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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flatpaks.url = "github:GermanBread/declarative-flatpak/stable-v3";
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};
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# Flake outputs, NixOS and Home Configurations.
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outputs = inputs@{ self, flatpaks, ... }:
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let
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# Load settings.nix or the default if not exists.
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settings = (if (builtins.pathExists ./settings.nix)
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then
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(import ./settings.nix)
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else
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(import ./settings-default.nix)
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);
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# Based on loaded settings, set the nixpkgs version.
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nixpkgs = (if (settings.packages == "stable")
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then
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inputs.nixpkgs
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else
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inputs.nixpkgs-unstable
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);
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# Based on loaded settings, set the home-manager version.
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home-manager = (if (settings.packages == "stable")
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then
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inputs.home-manager
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else
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inputs.home-manager-unstable
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);
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# Setup an overlay for unstable packages to include on stable environments.
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overlay-unstable = final: prev: {
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unstable = import inputs.nixpkgs-unstable {
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system = settings.system;
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config.allowUnfree = true;
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};
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};
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# Setup the main packages config with the overlays.
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pkgs = (import nixpkgs {
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system = settings.system;
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config = {
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allowUnfree = true;
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allowUnfreePredicate = (_: true);
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};
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overlays = [ overlay-unstable ];
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});
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# Function to configure a system with our defaults.
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mkSystem = config: nixpkgs.lib.nixosSystem {
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system = settings.system;
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specialArgs = {
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inherit inputs;
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inherit settings;
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};
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modules = [
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inputs.disko.nixosModules.disko
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home-manager.nixosModules.default
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flatpaks.nixosModules.default
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config
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];
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};
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# Function to configure home-manager for a user.
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mkHome = config: home-manager.lib.homeManagerConfiguration {
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inherit pkgs;
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extraSpecialArgs = {
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inherit inputs;
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inherit settings;
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};
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modules = [
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flatpaks.homeManagerModules.default
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config
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];
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};
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in {
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# NixOS configurations, in most cases we use default with a profile.
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# Any host that needs specific configurations separate from what is included by default,
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# will need its own configuration for its hostname.
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nixosConfigurations.default = mkSystem ./hosts/default/configuration.nix;
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nixosConfigurations.tama = mkSystem ./hosts/tama/configuration.nix;
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# Home manager configurations, we do the main user from the configuration and root.
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homeConfigurations = {
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${settings.user.name} = mkHome ./users/main-user.nix;
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"root" = mkHome ./users/root.nix;
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};
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};
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}
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