nixos/flake.nix

#{
#  description = "Nixos config flake";
#
#  inputs = {
#    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
#
#     home-manager = {
#       url = "github:nix-community/home-manager";
#       inputs.nixpkgs.follows = "nixpkgs";
#     };
#  };
#
#  outputs = { self, nixpkgs, ... }@inputs: {
#    nixosConfigurations = { 
#      default = nixpkgs.lib.nixosSystem {
#        system = "x86_64-linux";
#        specialArgs = {inherit inputs;};
#        modules = [
#          ./configuration.nix
#          ./hosts/default
#	        #./nixos_modules
#        ];
#      };
#    };
#    #homeManagerModules.default = ./homeManager_modules;
#  };
#}
{
  description = "Your new nix config";

  inputs = {
    # Nixpkgs
    #nixpkgs.url = "github:nixos/nixpkgs/nixos-23.11";
    # 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";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";
  };

  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;
  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 = {
      # FIXME replace with your hostname
      default = nixpkgs.lib.nixosSystem {
        specialArgs = {inherit inputs outputs;};
        modules = [
          # > Our main nixos configuration file <
          ./nixos/configuration.nix
        ];
      };
    };

#    # Standalone home-manager configuration entrypoint
#    # Available through 'home-manager --flake .#your-username@your-hostname'
#    homeConfigurations = {
#      # FIXME replace with your username@hostname
#      "sam" = home-manager.lib.homeManagerConfiguration {
#        pkgs = nixpkgs.legacyPackages.x86_64-linux; # Home-manager requires 'pkgs' instance
#        extraSpecialArgs = {inherit inputs outputs;};
#        modules = [
#          # > Our main home-manager configuration file <
#          ./home-manager/home.nix
#        ];
#      };
#    };
  };
}