flake.nix

{
  description = "my nix config";

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

    # Third party programs, packaged with nix
    firefox-addons = {
      url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
      inputs.nixpkgs.follows = "nixpkgs";
    };

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

    impermanence.url = "github:nix-community/impermanence";

    sops-nix.url = "github:Mic92/sops-nix";

    systems.url = "github:nix-systems/default-linux";
  };

  outputs = {
    self,
    nixpkgs,
    home-manager,
    systems,
    ...
  } @ inputs: let
    inherit (self) outputs;
    lib = nixpkgs.lib // home-manager.lib;
    forEachSystem = f: lib.genAttrs (import systems) (system: f pkgsFor.${system});
    pkgsFor = lib.genAttrs (import systems) (
      system:
        import nixpkgs {
          inherit system;
          config.allowUnfree = true;
        }
    );
  in {
    inherit lib;
    # Your custom packages
    # Accessible through 'nix build', 'nix shell', etc
    packages = forEachSystem (pkgs: import ./pkgs {inherit pkgs;});

    # Formatter for your nix files, available through 'nix fmt'
    # Other options beside 'alejandra' include 'nixpkgs-fmt'
    formatter = forEachSystem (pkgs: pkgs.alejandra);

    # Your custom packages and modifications, exported as overlays
    overlays = import ./overlays {inherit inputs outputs;};
    # 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;

    devShells = forEachSystem (pkgs: {
      default = pkgs.mkShell {
        name = "nix-config";
        nativeBuildInputs = with pkgs; [
          age
          sops
        ];
      };
    });

    # NixOS configuration entrypoint
    # Available through 'nixos-rebuild --flake .#your-hostname'
    nixosConfigurations = {
      wopr = nixpkgs.lib.nixosSystem {
        specialArgs = {inherit inputs outputs;};
        modules = [
          ./hosts/wopr
        ];
      };
      joshua = nixpkgs.lib.nixosSystem {
        specialArgs = {inherit inputs outputs;};
        modules = [
          ./hosts/joshua
        ];
      };
      norad = nixpkgs.lib.nixosSystem {
        specialArgs = {inherit inputs outputs;};
        modules = [
          ./hosts/norad
        ];
      };
      work = nixpkgs.lib.nixosSystem {
        specialArgs = {inherit inputs outputs;};
        modules = [
          ./hosts/work
        ];
      };
    };

    # Standalone home-manager configuration entrypoint
    # Available through 'home-manager --flake .#your-username@your-hostname'
    homeConfigurations = {
      "sadbeast@wopr" = home-manager.lib.homeManagerConfiguration {
        pkgs = pkgsFor.x86_64-linux;
        extraSpecialArgs = {inherit inputs outputs;};
        modules = [
          ./home/sadbeast/wopr.nix
        ];
      };

      "sadbeast@joshua" = home-manager.lib.homeManagerConfiguration {
        pkgs = pkgsFor.x86_64-linux;
        extraSpecialArgs = {inherit inputs outputs;};
        modules = [
          ./home/sadbeast/joshua.nix
        ];
      };

      "sadbeast@norad" = home-manager.lib.homeManagerConfiguration {
        pkgs = pkgsFor.x86_64-linux;
        extraSpecialArgs = {inherit inputs outputs;};
        modules = [
          ./home/sadbeast/norad.nix
        ];
      };

      "sadbeast@work" = home-manager.lib.homeManagerConfiguration {
        pkgs = pkgsFor.x86_64-linux;
        extraSpecialArgs = {inherit inputs outputs;};
        modules = [
          ./home/sadbeast/work.nix
        ];
      };
    };
  };
}