new flake structure and overlays for unstable

flake.nix

@@ -9,8 +9,7 @@
 {
   description = "Kabbone's peronal NixOS Flake config";
 
-  inputs =                                                                  # All flake references used to build my NixOS setup. These are dependencies.
+  inputs = {
-    {
       nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";                  # Nix Packages
       nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
       nixos-hardware.url = "github:NixOS/nixos-hardware/master";
@@ -49,8 +48,45 @@
 
   };
 
-  outputs = inputs @ { self, nixpkgs, nixpkgs-unstable, nixos-hardware, home-manager, home-manager-unstable, agenix, jovian-nixos, microvm, impermanence, lanzaboote, ... }:   # Function that tells my flake which to use and what do what to do with the dependencies.
+  outputs = { 
-    rec {
+    self,
+    nixpkgs,
+    nixpkgs-unstable,
+    nixos-hardware,
+    home-manager,
+    home-manager-unstable,
+    agenix,
+    jovian-nixos,
+    microvm,
+    impermanence,
+    lanzaboote,
+    ...
+  } @ inputs: rec {
+    inherit (self) outputs;
+    systems = [
+      "aarch64-linux"
+      "x86_64-linux"
+    ];
+
+    forAllSystems = nixpkgs.lib.genAttrs systems;
+  #in {
+    # Your custom packages
+    # Accessible through 'nix build', 'nix shell', etc
+    packages = forAllSystems (system: import ./packages 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/kabbone;
+    # Reusable home-manager modules you might want to export
+    # These are usually stuff you would upstream into home-manager
+    #homeManagerModules = import ./modules/home-manager;
+
+
     nixosConfigurations = (                                               # NixOS configurations
       import ./hosts {                                                    # Imports ./hosts/default.nix
         inherit (nixpkgs) lib;
@@ -59,6 +95,7 @@
         security.sudo.execWheelOnly = true;
       }
     );
+
     hydraJobs = {
       "steamdeck" = nixosConfigurations.steamdeck.config.system.build.toplevel;
       "hades" = nixosConfigurations.hades.config.system.build.toplevel;
@@ -69,6 +106,4 @@
       "dmz" = nixosConfigurations.dmz.config.system.build.toplevel;
     };
   };
-
-
 }

overlays/default.nix

@@ -0,0 +1,19 @@
+{inputs, ...}: {
+  # This one brings our custom packages from the 'pkgs' directory
+  additions = final: _prev: import ../packages {pkgs = final;};
+
+  modifications = final: prev: {
+    mealie = final.unstable.mealie;
+  };
+
+  
+  # When applied, the unstable nixpkgs set (declared in the flake inputs) will
+  # be accessible through 'pkgs.unstable'
+  unstable-packages = final: _prev: {
+    unstable = import inputs.nixpkgs-unstable {
+      system = final.system;
+      config.allowUnfree = true;
+    };
+  };
+}
+