flake.nix

{
  description = "Minion's NixOS configuration (since 2022-08-19)";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    vscode-extensions.url = "github:AmeerTaweel/nix-vscode-marketplace";
    registry = {
      url = "github:nixos/flake-registry";
      flake = false;
    };
    home-manager.url = "github:nix-community/home-manager/release-22.05";
    home-manager-unstable.url = "github:nix-community/home-manager";
    sops-nix.url = "github:Mic92/sops-nix";
    impermanence.url = "github:nix-community/impermanence";
    gtimelog = {
      url = "git+https://gitlab.collabora.com/collabora/gtimelog.git";
      flake = false;
    };
    fzf-tab = {
      url = "github:Aloxaf/fzf-tab";
      flake = false;
    };

    home-manager.inputs.nixpkgs.follows = "nixpkgs";
    home-manager-unstable.inputs.nixpkgs.follows = "nixpkgs";
    sops-nix.inputs.nixpkgs.follows = "nixpkgs";
    impermanence.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs = inputs: let
    inherit (inputs) self nixpkgs flake-utils;
  in
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = import nixpkgs {
        inherit system;
        overlays = import ./overlays nixpkgs.lib;
      };

      utils = import ./utils nixpkgs.lib;

      username = "minion";

      isAttrType = type:
        if builtins.elem type.name ["submodule" ]
        then true
        else if type ? nestedTypes.elemType
        then isAttrType type.nestedTypes.elemType
        else false;

      normalizeOptions = options:
        if
          nixpkgs.lib.traceSeqN 2 {
            inherit options;
            type = builtins.typeOf options;
          }
          builtins.typeOf
          options
          == "set"
        then
          nixpkgs.lib.mapAttrs (
            name: value:
              if
                nixpkgs.lib.traceSeqN 3 {
                  inherit name value;
                  hasGetSubOpts = value ? getSubOptions;
                  hasType = value ? type;
                  isAttrType = value ? type && isAttrType value.type;
                  typeName = value.type.name or "unnamed";
                  type = builtins.typeOf value;
                } (builtins.typeOf value)
                == "set"
              then
                nixpkgs.lib.traceVal (normalizeOptions (
                  if value ? type && isAttrType value.type
                  then nixpkgs.lib.traceVal (value.type.getSubOptions [])
                  else nixpkgs.lib.traceVal value
                ))
              else value
          )
          options
        else options;
    in {
      packages.nixosConfigurations = {
        default = nixpkgs.lib.nixosSystem {
          inherit system;

          modules = [
            (nixpkgs.lib.pipe ./modules [
              utils.nixFilesIn
              (utils.interpretNonstandardModule (args:
                args
                // {
                  home = args.config.home-manager.users.${username};
                  home-options =
                    nixpkgs.lib.traceVal (normalizeOptions
                      (args.options.home-manager.users.type.getSubOptions []));
                  inherit system;
                }))
            ])
            {
              minion = import ./config.nix;
            }
          ];

          specialArgs = inputs // {inherit username;};
        };
      };
      devShell = pkgs.mkShell {
        nativeBuildInputs = with pkgs; [nodePackages.prettier alejandra];
        buildInputs = [];
      };
      formatter = pkgs.alejandra;
    });
}