start modularizing things

flake.lock

@@ -668,23 +668,43 @@
         "type": "github"
       }
     },
-    "nh_darwin": {
+    "nh": {
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1739410909,
-        "narHash": "sha256-wx0oBgnmh6K8PJGyASLAErnrIe8/1hZthVrkfoX+j/E=",
-        "owner": "ToyVo",
-        "repo": "nh_darwin",
-        "rev": "10c8d19efd0ed9f63708d1179468fbb2f2bd7f4e",
+        "lastModified": 1743682999,
+        "narHash": "sha256-bg+aAN8K90r3m/I+xXiXG0gawpbkshwlk93wxUN7KEk=",
+        "owner": "viperML",
+        "repo": "nh",
+        "rev": "9e9a4590b38b62b28f07a1fae973ce7b6ca0687a",
         "type": "github"
       },
       "original": {
-        "owner": "ToyVo",
-        "repo": "nh_darwin",
+        "owner": "viperML",
+        "repo": "nh",
+        "type": "github"
+      }
+    },
+    "nix-index-database": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1744518957,
+        "narHash": "sha256-RLBSWQfTL0v+7uyskC5kP6slLK1jvIuhaAh8QvB75m4=",
+        "owner": "nix-community",
+        "repo": "nix-index-database",
+        "rev": "4fc9ea78c962904f4ea11046f3db37c62e8a02fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-index-database",
         "type": "github"
       }
     },
@@ -920,7 +940,8 @@
         "hyprland": "hyprland",
         "hyprland-plugins": "hyprland-plugins",
         "moonlight": "moonlight",
-        "nh_darwin": "nh_darwin",
+        "nh": "nh",
+        "nix-index-database": "nix-index-database",
         "nix-options-search": "nix-options-search",
         "nixos-cosmic": "nixos-cosmic",
         "nixpkgs": "nixpkgs_5",

flake.nix

@@ -33,8 +33,6 @@
     zig.url = "github:mitchellh/zig-overlay";
     zls.url = "github:zigtools/zls?rev=a26718049a8657d4da04c331aeced1697bc7652b";
 
-    # foundryvtt.url = "github:reckenrode/nix-foundryvtt";
-
     moonlight = {
       url = "github:moonlight-mod/moonlight"; # Add `/develop` to the flake URL to use nightly.
       inputs.nixpkgs.follows = "nixpkgs";
@@ -44,90 +42,78 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    nh_darwin = {
-      url = "github:ToyVo/nh_darwin";
+    nh = {
+      url = "github:viperML/nh";
       inputs.nixpkgs.follows = "nixpkgs";
     };
     nix-options-search = {
       url = "github:madsbv/nix-options-search";
     };
 
+    nix-index-database.url = "github:nix-community/nix-index-database";
+    nix-index-database.inputs.nixpkgs.follows = "nixpkgs";
+
     chinese-fonts-overlay = {
       url = "github:brsvh/chinese-fonts-overlay/main";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
-  outputs = {
-    self,
+  outputs = inputs @ {
     nixpkgs,
-    nixpkgs-stable,
-    nix-options-search,
-    home-manager,
-    darwin,
-    hosts,
-    hyprland-plugins,
-    zig,
-    zls,
     nixos-cosmic,
-    nh_darwin,
+    nix-index-database,
+    darwin,
     ...
-  } @ inputs: let
+  }: let
     overlays = [
       inputs.zig.overlays.default
       inputs.rust-overlay.overlays.default
       inputs.chinese-fonts-overlay.overlays.default
+      inputs.nh.overlays.default
     ];
     inherit (nixpkgs) lib;
+    mkIfElse = p: yes: no:
+      lib.mkMerge [
+        (lib.mkIf p yes)
+        (lib.mkIf (!p) no)
+      ];
+
+    user = "nmarks";
+
+    shared_modules = [
+      # {nixpkgs.overlays = overlays;}
+      # {programs.nix-index-database.comma.enable = true;}
+      # nixindex
+      # homemanagerModules
+      {
+        _module.args = {
+          inherit user;
+          inherit mkIfElse;
+        };
+      }
+    ];
   in {
     nixosConfigurations = {
       nixos = lib.nixosSystem {
-        modules = [
-          {nixpkgs.overlays = overlays;}
-          hosts.nixosModule
-          {
-            networking.stevenBlackHosts.enable = true;
-          }
-          ./hosts/desktop/configuration.nix
-          home-manager.nixosModules.home-manager
-          {
-            home-manager = {
-              backupFileExtension = "hm-backup";
-              useGlobalPkgs = true;
-              useUserPackages = true;
-              users.nmarks = import ./hosts/desktop/home.nix;
-            };
-            home-manager.extraSpecialArgs = {
-              inherit hyprland-plugins;
-              inherit zls;
-            };
-          }
-          nixos-cosmic.nixosModules.default
-        ];
+        system = "x86_64-linux";
+        modules =
+          [
+            ./hosts/desktop/configuration.nix
+            nixos-cosmic.nixosModules.default
+          ]
+          ++ shared_modules;
         specialArgs = inputs;
       };
     };
     darwinConfigurations = {
       "Natalies-MacBook-Air" = darwin.lib.darwinSystem {
         system = "aarch64-darwin";
-        modules = [
-          {nixpkgs.overlays = overlays;}
-          ./hosts/laptop/configuration.nix
-          home-manager.darwinModules.home-manager
-          {
-            home-manager = {
-              useGlobalPkgs = true;
-              useUserPackages = true;
-              users.nmarks = import ./hosts/laptop/home.nix;
-            };
-            home-manager.extraSpecialArgs = {
-              inherit zls;
-            };
-            users.users.nmarks.home = "/Users/nmarks";
-          }
-        ];
-        specialArgs = {
-          inherit inputs;
-        };
+        specialArgs = inputs;
+        modules =
+          [
+            ./hosts/laptop/configuration.nix
+          ]
+          ++ shared_modules;
       };
     };
   };

hosts/desktop/configuration.nix

@@ -1,6 +1,3 @@
-#<BS> Edit this configuration file to define what should be installed on
-# your system.  Help is available in the configuration.nix(5) man page
-# and in the NixOS manual (accessible by running ‘nixos-help’).
 {
   self,
   inputs,
@@ -8,8 +5,14 @@
   pkgs,
   ...
 }: {
-  nixpkgs.config.allowUnfree = true;
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
 
+    ../../modules/shared/nix.nix
+    ../../modules/nixos/nvidia.nix
+    ../../modules/nixos/boot.ni
+  ];
   services.avahi = {
     enable = true;
     nssmdns4 = true;
@@ -51,22 +54,6 @@
 
   nix.settings.trusted-users = ["root" "nmarks"];
 
-  nix.settings.experimental-features = ["nix-command" "flakes"];
-  nix.settings = {
-    substituters = [
-      "https://cache.nixos.org/"
-      "https://nix-community.cachix.org"
-      "https://cosmic.cachix.org/"
-      "https://cache.iog.io"
-      "https://cuda-maintainers.cachix.org"
-    ];
-    trusted-public-keys = [
-      "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
-      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-      "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="
-      "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
-    ];
-  };
   programs.hyprland.enable = true;
 
   programs.fish.enable = true;
@@ -109,89 +96,6 @@
     nerd-fonts.iosevka
   ];
 
-  imports = [
-    # Include the results of the hardware scan.
-    ./hardware-configuration.nix
-    # inputs.foundryvtt.nixosModules.foundryvtt
-  ];
-
-  # Enable OpenGL
-  hardware.graphics = {
-    enable = true;
-  };
-  services.xserver.videoDrivers = ["nvidia"];
-
-  hardware.nvidia-container-toolkit.enable = true;
-  hardware.nvidia = {
-    forceFullCompositionPipeline = true;
-    # Modesetting is required.
-    modesetting.enable = true;
-
-    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
-    powerManagement.enable = false;
-    # Fine-grained power management. Turns off GPU when not in use.
-    # Experimental and only works on modern Nvidia GPUs (Turing or newer).
-    powerManagement.finegrained = false;
-
-    # Use the NVidia open source kernel module (not to be confused with the
-    # independent third-party "nouveau" open source driver).
-    # Support is limited to the Turing and later architectures. Full list of
-    # supported GPUs is at:
-    # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus
-    # Only available from driver 515.43.04+
-    # Currently alpha-quality/buggy, so false is currently the recommended setting.
-    open = false;
-
-    # Enable the Nvidia settings menu,
-    # accessible via `nvidia-settings`.
-    nvidiaSettings = true;
-
-    # Optionally, you may need to select the appropriate driver version for your specific GPU.
-    package = config.boot.kernelPackages.nvidiaPackages.latest;
-    #Fixes a glitch
-    nvidiaPersistenced = true;
-
-    #Required for amdgpu and nvidia gpu pairings
-    # modesetting.enable = true;
-
-    prime = {
-      # offload.enable = true;
-      #sync.enable = true;
-
-      amdgpuBusId = "PCI:0f:00.0";
-
-      nvidiaBusId = "PCI:01:00.0";
-    };
-  };
-  # Bootloader.
-  #boot.loader.systemd-boot.enable = true;
-  #boot.loader.efi.canTouchEfiVariables = true;
-
-  boot.kernelPackages = pkgs.linuxPackages_latest;
-
-  boot.loader = {
-    # systemd-boot.enable = true;
-    efi = {
-      canTouchEfiVariables = true;
-      # assuming /boot is the mount point of the  EFI partition in NixOS (as the installation section recommends).
-      efiSysMountPoint = "/boot/efi";
-    };
-    grub = {
-      enable = true;
-      device = "nodev";
-      theme = pkgs.catppuccin-grub;
-      useOSProber = true;
-      efiSupport = true;
-    };
-  };
-
-  boot.supportedFilesystems = ["ntfs"];
-  # Configure network proxy if necessary
-  # networking.proxy.default = "http://user:password@proxy:port/";
-  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
-
-  # Enable networking
-
   # Set your time zone.
   time.timeZone = "America/Los_Angeles";
 
@@ -340,19 +244,6 @@
     networkmanager.enable = true;
     firewall = {
       allowedTCPPorts = [22 80 443];
-      #KDE Connect
-      # allowedTCPPortRanges = [
-      #   {
-      #     from = 1714;
-      #     to = 1764;
-      #   }
-      # ];
-      # allowedUDPPortRanges = [
-      #   {
-      #     from = 1714;
-      #     to = 1764;
-      #   }
-      # ];
       enable = true;
     };
     interfaces.enp11s0.wakeOnLan = {

hosts/laptop/configuration.nix

@@ -1,27 +1,32 @@
 {
   config,
   pkgs,
+  lib,
   ...
 }: {
+  imports = [
+    ../../modules/shared/nix.nix
+    ./modules/icons.nix
+  ];
+
   environment.systemPackages = with pkgs; [
-    home-manager
     neovim
     pinentry_mac
   ];
 
-  nixpkgs.config.allowUnfree = true;
+  environment.customIcons = {
+    enable = true;
+    icons = [
+      {
+        path = "/Applications/Zen.app";
+        icon = "/Users/nmarks/.dotfiles/icons/Zen_icons/firefox.icns";
+      }
+    ];
+  };
 
   # Use a custom configuration.nix location.
   #environment.darwinConfig = "$HOME/.dotfiles/hosts/laptop";
 
-  # Auto upgrade nix package and the daemon service.
-  nix = {
-    package = pkgs.nix;
-    settings = {
-      "extra-experimental-features" = ["nix-command" "flakes"];
-    };
-  };
-
   # Create /etc/zshrc that loads the nix-darwin environment.
   programs = {
     gnupg.agent.enable = true;

hosts/laptop/home.nix

@@ -1,36 +1,35 @@
 {
-  inputs,
   config,
   pkgs,
   lib,
-  ghostty,
-  moonlight,
   ...
 }: {
-  # Home Manager needs a bit of information about you and the paths it should
-  # manage.
-  # This value determines the Home Manager release that your configuration is
-  # compatible with. This helps avoid breakage when a new Home Manager release
-  # introduces backwards incompatible changes.
-  #
-  # You should not change this value, even if you update Home Manager. If you do
-  # want to update the value, then make sure to first check the Home Manager
-  # release notes.
-  home.stateVersion = "23.05"; # Please read the comment before changing.
-
-  home.packages = pkgs.callPackage ../shared/packages.nix {};
-
   programs = import ../shared/home-programs.nix {inherit config pkgs lib;};
 
-  home.sessionVariables = {
-    EDITOR = "nvim";
-    VISUAL = "nvim";
-    TERMINAL = "ghostty";
-    BROWSER = "firefox";
+  home = {
+    # Home Manager needs a bit of information about you and the paths it should
+    # manage.
+    # This value determines the Home Manager release that your configuration is
+    # compatible with. This helps avoid breakage when a new Home Manager release
+    # introduces backwards incompatible changes.
+    #
+    # You should not change this value, even if you update Home Manager. If you do
+    # want to update the value, then make sure to first check the Home Manager
+    # release notes.
+    stateVersion = "23.05"; # Please read the comment before changing.
+
+    packages = pkgs.callPackage ../shared/packages.nix {};
+
+    sessionVariables = {
+      EDITOR = "nvim";
+      VISUAL = "nvim";
+      TERMINAL = "ghostty";
+      BROWSER = "firefox";
+    };
+    sessionPath = [
+      "$HOME/.emacs.d/bin"
+    ];
   };
-  home.sessionPath = [
-    "$HOME/.emacs.d/bin"
-  ];
 
   # Let Home Manager install and manage itself.
 }

hosts/laptop/modules/icons.nix

@@ -0,0 +1,61 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  cfg = config.environment.customIcons;
+  inherit
+    (lib)
+    mkEnableOption
+    mkIf
+    mkMerge
+    mkOption
+    types
+    ;
+in {
+  options.environment.customIcons = {
+    enable = mkEnableOption "environment.customIcons";
+    clearCacheOnActivation = mkEnableOption "environment.customIcons.clearCacheOnActivation";
+
+    icons = mkOption {
+      type = types.listOf (
+        types.submodule {
+          options = {
+            path = mkOption {type = types.path;};
+            icon = mkOption {type = types.path;};
+          };
+        }
+      );
+    };
+  };
+
+  config = mkMerge [
+    (mkIf cfg.enable {
+      system.activationScripts.extraActivation.text = ''
+        echo -e "applying custom icons..."
+
+        ${
+          (builtins.concatStringsSep "\n\n" (
+            builtins.map (iconCfg: ''
+              osascript <<EOF >/dev/null
+                use framework "Cocoa"
+
+                set iconPath to "${iconCfg.icon}"
+                set destPath to "${iconCfg.path}"
+
+                set imageData to (current application's NSImage's alloc()'s initWithContentsOfFile:iconPath)
+                (current application's NSWorkspace's sharedWorkspace()'s setIcon:imageData forFile:destPath options:2)
+              EOF
+            '')
+            cfg.icons
+          ))
+        }
+
+        ${lib.optionalString cfg.clearCacheOnActivation ''
+          sudo rm -rf /Library/Caches/com.apple.iconservices.store
+          sudo find /private/var/folders/ -name com.apple.dock.iconcache -or -name com.apple.iconservices -or -name com.apple.iconservicesagent -exec rm -rf {} \; || true
+          killall Dock
+        ''}'';
+    })
+  ];
+}

hosts/shared/home-programs.nix

@@ -26,6 +26,25 @@
                    bold_font  auto";
   };
 
+  bat = {
+    enable = true;
+    extraPackages = with pkgs.bat-extras; [batdiff batman batgrep batwatch batpipe prettybat];
+    config = {
+      theme = "catpuccin";
+    };
+    themes = {
+      catpuccin = {
+        src = pkgs.fetchFromGitHub {
+          owner = "catppuccin";
+          repo = "bat";
+          hash = "sha256-6fWoCH90IGumAMc4buLRWL0N61op+AuMNN9CAR9/OdI=";
+          rev = "699f60fc8ec434574ca7451b444b880430319941";
+        };
+        file = "themes/Catppuccin Mocha.tmTheme";
+      };
+    };
+  };
+
   hyfetch = {
     enable = true;
     settings = {
@@ -63,7 +82,10 @@
     shellAliases = {
       reboot-windows = "sudo efibootmgr --bootnext 0000; sudo reboot -h now";
     };
-    shellInit = "test -r '/Users/nmarks/.opam/opam-init/init.fish' && source '/Users/nmarks/.opam/opam-init/init.fish' > /dev/null 2> /dev/null; or true";
+    shellInit = ''
+      test -r '/Users/nmarks/.opam/opam-init/init.fish' && source '/Users/nmarks/.opam/opam-init/init.fish' > /dev/null 2> /dev/null; or true
+      batman --export-env | source
+    '';
   };
   home-manager.enable = true;
 }

hosts/shared/packages.nix

@@ -32,7 +32,6 @@ with pkgs; [
   #nix tools
   cachix
   direnv
-  comma
   nh
 
   #terminal stuff
@@ -44,7 +43,6 @@ with pkgs; [
   neofetch
   hyfetch
   fastfetch
-  bat
   eza
   ollama
   uv

modules/nixos/boot.nix

@@ -0,0 +1,33 @@
+{pkgs, ...}: {
+  boot = {
+    kernelPackages = pkgs.linuxPackages_latest; # _zen, _hardened, _rt, _rt_latest, etc.
+    loader = {
+      efi = {
+        canTouchEfiVariables = true;
+        # assuming /boot is the mount point of the  EFI partition in NixOS (as the installation section recommends).
+        efiSysMountPoint = "/boot/efi";
+      };
+      grub = {
+        enable = true;
+        device = "nodev";
+        theme = pkgs.catppuccin-grub;
+        useOSProber = true;
+        efiSupport = true;
+      };
+    };
+
+    #this is set to false by default for some reason
+    tmp.cleanOnBoot = true;
+
+    # Make boot screen quiet
+    kernelParams = [
+      "quiet"
+      "splash"
+      "rd.systemd.show_status=auto"
+      "rd.udev.log_level=3"
+      "udev.log_priority=3"
+    ];
+    consoleLogLevel = 0;
+    initrd.verbose = false;
+  };
+}

modules/nixos/nvidia.nix

@@ -0,0 +1,95 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}: let
+  nvidiaDriverChannel = config.boot.kernelPackages.nvidiaPackages.latest;
+in {
+  services.xserver.videoDrivers = ["nvidia"];
+
+  nixpkgs.config = {
+    nvidia.acceptLicense = true;
+    allowUnfree = true;
+  };
+  # Kernel parameters for better Wayland and Hyprland integration
+  boot.kernelParams = [
+    "nvidia-drm.modeset=1" # Enable mode setting for Wayland
+    "nvidia.NVreg_PreserveVideoMemoryAllocations=1" # Improves resume after sleep
+  ];
+
+  # Blacklist nouveau to avoid conflicts
+  boot.blacklistedKernelModules = ["nouveau"];
+
+  hardware = {
+    nvidia = {
+      forceFullCompositionPipeline = true; # Prevents screen tearing
+      # Modesetting is required.
+      modesetting.enable = true;
+
+      powerManagement = {
+        enable = true; # Power management
+        finegrained = true; # More precise power consumption control
+      };
+
+      # Use the NVidia open source kernel module (not to be confused with the
+      # independent third-party "nouveau" open source driver).
+      # Currently alpha-quality/buggy, so false is currently the recommended setting.
+      open = false;
+
+      # Environment variables for better compatibility
+      environment.variables = {
+        LIBVA_DRIVER_NAME = "nvidia"; # Hardware video acceleration
+        XDG_SESSION_TYPE = "wayland"; # Force Wayland
+        GBM_BACKEND = "nvidia-drm"; # Graphics backend for Wayland
+        __GLX_VENDOR_LIBRARY_NAME = "nvidia"; # Use Nvidia driver for GLX
+        WLR_NO_HARDWARE_CURSORS = "1"; # Fix for cursors on Wayland
+        NIXOS_OZONE_WL = "1"; # Wayland support for Electron apps
+        __GL_GSYNC_ALLOWED = "1"; # Enable G-Sync if available
+        __GL_VRR_ALLOWED = "1"; # Enable VRR (Variable Refresh Rate)
+        WLR_DRM_NO_ATOMIC = "1"; # Fix for some issues with Hyprland
+        NVD_BACKEND = "direct"; # Configuration for new driver
+        MOZ_ENABLE_WAYLAND = "1"; # Wayland support for Firefox
+      };
+
+      # Enable the Nvidia settings menu,
+      # accessible via `nvidia-settings`.
+      nvidiaSettings = true;
+
+      package = nvidiaDriverChannel;
+
+      #Fixes a glitch
+      nvidiaPersistenced = true;
+    };
+    nvidia-container-toolkit.enable = true;
+
+    graphics = {
+      enable = true;
+      package = nvidiaDriverChannel;
+      enable32Bit = true;
+      extraPackages = with pkgs; [
+        nvidia-vaapi-driver
+        vaapiVdpau
+        libvdpau-va-gl
+        mesa
+        egl-wayland
+        vulkan-loader
+        vulkan-validation-layers
+        libva
+      ];
+    };
+  };
+
+  nix.settings = {
+    substituters = ["https://cuda-maintainers.cachix.org"];
+    trusted-public-keys = [
+      "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
+    ];
+  };
+
+  environment.systemPackages = with pkgs; [
+    vulkan-tools
+    glxinfo
+    libva-utils # VA-API debugging tools
+  ];
+}

modules/shared/extras.nix

@@ -0,0 +1,14 @@
+{
+  pkgs,
+  config,
+  inputs,
+  hostName,
+  mkIfElse,
+  darwin,
+  ...
+}: {
+  networking = {
+    inherit hostName;
+    networkmanager = !darwin;
+  };
+}

modules/shared/home-manager.nix

@@ -0,0 +1,8 @@
+{inputs, ...}: {
+  home-manager = {
+    useGlobalPkgs = true;
+    useUserPackages = true;
+    backupFileExtension = "hm-backup";
+    extraSpecialArgs = {inherit inputs;};
+  };
+}

modules/shared/nix.nix

@@ -0,0 +1,39 @@
+{
+  config,
+  inputs,
+  ...
+}: {
+  nixpkgs.config = {
+    allowUnfree = true;
+  };
+
+  nix = {
+    nixPath = ["nixpkgs = ${inputs.nixpkgs}"];
+    extraOptions = ''
+      warn-dirty = false
+    '';
+
+    settings = {
+      auto-optimise-store = true;
+      experimental-features = ["nix-command" "flakes"];
+      substituters = [
+        "https://cache.nixos.org/?priority=10"
+
+        "https://nix-community.cachix.org"
+        "https://cosmic.cachix.org/"
+        "https://cache.iog.io"
+      ];
+      trusted-public-keys = [
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+        "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="
+        "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
+      ];
+    };
+    gc = {
+      automatic = true;
+      persistent = true;
+      dates = "weekly";
+      options = "--delete-older-than 7d";
+    };
+  };
+}

modules/shared/vars.nix

@@ -0,0 +1,23 @@
+{
+  inputs,
+  pkgs,
+  config,
+  lib,
+  mkIfElse,
+  ...
+}: let
+  darwin = pkgs.stdenv.isDarwin;
+  homemanagerModules = mkIfElse darwin inputs.home-manager.darwinModules inputs.home-manager.nixosModules;
+  nixindex = mkIfElse darwin inputs.nix-index-database.darwinModules.nix-index inputs.nix-index-database.nixosModules.nix-index;
+in {
+  config.var = {
+    inherit darwin homemanagerModules nixindex;
+  };
+
+  options = {
+    var = lib.mkOption {
+      type = lib.types.attrs;
+      default = {};
+    };
+  };
+}