nix-config/flake.nix

{
  description = "Your new nix config";

  inputs = {
    # Nixpkgs
    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
    # You can access packages and modules from different nixpkgs revs
    # at the same time. Here's an working example:
    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
    # Also see the 'unstable-packages' overlay at 'overlays/default.nix'.

    # Home manager
    home-manager.url = "github:nix-community/home-manager/release-24.05";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";

    hardware.url = "github:nixos/nixos-hardware";

    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    nix-colors.url = "github:misterio77/nix-colors";
    firefox-addons = {
      url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    arkenfox = {
      url = "github:dwarfmaster/arkenfox-nixos";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    xremap.url = "github:xremap/nix-flake";
    flatpaks.url = "github:GermanBread/declarative-flatpak/stable-v3";
    heliox-cli.url = "git+https://git.ghoscht.com/heliox/cli?ref=custom-dimming";
    picokontroller.url = "git+https://git.ghoscht.com/ghoscht/picoKontroller";
    sops-nix.url = "github:Mic92/sops-nix";
    arion.url = "github:hercules-ci/arion";
  };

  outputs = {
    self,
    nixpkgs,
    home-manager,
    ...
  } @ inputs: let
    inherit (self) outputs;
    # Supported systems for your flake packages, shell, etc.
    systems = [
      "aarch64-linux"
      "i686-linux"
      "x86_64-linux"
      "aarch64-darwin"
      "x86_64-darwin"
    ];
    # This is a function that generates an attribute by calling a function you
    # pass to it, with each system as an argument
    forAllSystems = nixpkgs.lib.genAttrs systems;
    vars = import ./vars.nix;
  in {
    # Your custom packages
    # Accessible through 'nix build', 'nix shell', etc
    packages = forAllSystems (system: import ./pkgs nixpkgs.legacyPackages.${system});
    # Formatter for your nix files, available through 'nix fmt'
    # Other options beside 'alejandra' include 'nixpkgs-fmt'
    formatter = forAllSystems (system: nixpkgs.legacyPackages.${system}.alejandra);

    # Your custom packages and modifications, exported as overlays
    overlays = import ./overlays {inherit inputs;};
    # Reusable nixos modules you might want to export
    # These are usually stuff you would upstream into nixpkgs
    nixosModules = import ./modules/nixos;
    # Reusable home-manager modules you might want to export
    # These are usually stuff you would upstream into home-manager
    homeManagerModules = import ./modules/home-manager;

    # NixOS configuration entrypoint
    # Available through 'nixos-rebuild --flake .#your-hostname'
    nixosConfigurations = {
      adalbert = nixpkgs.lib.nixosSystem {
        specialArgs = {inherit inputs outputs vars;};
        modules = [
          ./hosts/adalbert
        ];
      };
      ludwig = nixpkgs.lib.nixosSystem {
        specialArgs = {inherit inputs outputs vars;};
        modules = [
          ./hosts/ludwig
        ];
      };
      leopold = nixpkgs.lib.nixosSystem {
        specialArgs = {inherit inputs outputs vars;};
        modules = [
          ./hosts/leopold
        ];
      };
      franz = nixpkgs.lib.nixosSystem {
        specialArgs = {inherit inputs outputs vars;};
        modules = [
          ./hosts/franz
        ];
      };
      # build with nix build .#nixosConfigurations.eustachius.config.system.build.sdImage
      eustachius = nixpkgs.lib.nixosSystem {
        system = "aarch64-linux";
        modules = [
          "${nixpkgs}/nixos/modules/installer/sd-card/sd-image-aarch64-installer.nix"
          ./hosts/eustachius

          # extra config for sdImage generator
          {
            sdImage.compressImage = false;
          }
        ];
      };
    };

    # Standalone home-manager configuration entrypoint
    # Available through 'home-manager --flake .#your-username@your-hostname'
    homeConfigurations = {
      "${vars.user}@adalbert" = home-manager.lib.homeManagerConfiguration {
        pkgs = nixpkgs.legacyPackages.x86_64-linux; # Home-manager requires 'pkgs' instance
        extraSpecialArgs = {inherit inputs outputs vars;};
        modules = [
          ./home/adalbert.nix
        ];
      };
    };
    "${vars.user}@ludwig" = home-manager.lib.homeManagerConfiguration {
      pkgs = nixpkgs.legacyPackages.x86_64-linux; # Home-manager requires 'pkgs' instance
      extraSpecialArgs = {inherit inputs outputs vars;};
      modules = [
        ./home/ludwig.nix
      ];
    };
    "${vars.user}@franz" = home-manager.lib.homeManagerConfiguration {
      pkgs = nixpkgs.legacyPackages.x86_64-linux; # Home-manager requires 'pkgs' instance
      extraSpecialArgs = {inherit inputs outputs vars;};
      modules = [
        ./home/franz.nix
      ];
    };
    # "${vars.user}@eustachius" = home-manager.lib.homeManagerConfiguration {
    #   pkgs = nixpkgs.legacyPackages.aarch64-linux; # Home-manager requires 'pkgs' instance
    #   extraSpecialArgs = {inherit inputs outputs vars;};
    #   modules = [
    #     ./home/eustachius.nix
    #   ];
    # };
  };
}