configuration.nix/flake.nix

# This flake was initially generated by fh, the CLI for FlakeHub (version 0.1.9)
{
  # A helpful description of your flake
  description = "My NixOS configuration";

  # Flake inputs
  inputs.stylix.url = "github:jalil-salame/stylix/fallback-fonts-v2";
  inputs.stylix.inputs.nixpkgs.follows = "nixpkgs";
  inputs.stylix.inputs.home-manager.follows = "home-manager";

  inputs.nixpkgs.url = "nixpkgs/nixos-unstable";

  inputs.jpassmenu.url = "github:jalil-salame/jpassmenu";
  inputs.jpassmenu.inputs.nixpkgs.follows = "nixpkgs";

  inputs.audiomenu.url = "github:jalil-salame/audiomenu";
  inputs.audiomenu.inputs.nixpkgs.follows = "nixpkgs";

  inputs.nixvim.url = "github:nix-community/nixvim";
  inputs.nixvim.inputs.nixpkgs.follows = "nixpkgs";
  inputs.nixvim.inputs.home-manager.follows = "home-manager";
  inputs.nixvim.inputs.pre-commit-hooks.follows = "pre-commit-hooks";

  # WARN: Flakehub is outdated (39 days out of date)
  # inputs.home-manager.url = "https://flakehub.com/f/nix-community/home-manager/0.1.*.tar.gz";
  inputs.home-manager.url = "github:nix-community/home-manager";
  inputs.home-manager.inputs.nixpkgs.follows = "nixpkgs";

  inputs.nixos-hardware.url = "github:NixOS/nixos-hardware";

  inputs.neovim-nightly.url = "github:nix-community/neovim-nightly-overlay";
  inputs.neovim-nightly.inputs.nixpkgs.follows = "nixpkgs";

  inputs.pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";
  inputs.pre-commit-hooks.inputs.nixpkgs.follows = "nixpkgs";

  # Flake outputs that other flakes can use
  outputs =
    { self
    , nixpkgs
    , stylix
    , home-manager
    , nixos-hardware
    , pre-commit-hooks
    , jpassmenu
    , audiomenu
    , nixvim
    , neovim-nightly
    }:
    let
      inherit (nixpkgs) lib;
      # Helpers for producing system-specific outputs
      supportedSystems = [ "x86_64-linux" "aarch64-linux" ];
      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
        inherit system;
        pkgs = import nixpkgs { inherit system; };
      });
      overlays = builtins.attrValues self.overlays;
    in
    {
      checks = forEachSupportedSystem ({ pkgs, system }: {
        nvim = nixvim.lib.${system}.check.mkTestDerivationFromNixvimModule {
          pkgs = import nixpkgs { inherit system overlays; };
          module = ./nvim/nixvim.nix;
        };
        pre-commit-check = pre-commit-hooks.lib.${system}.run {
          src = builtins.path { path = ./.; name = "configuration.nix"; };
          hooks.typos.enable = true;
          hooks.nixpkgs-fmt.enable = true;
        };
      });

      packages = forEachSupportedSystem ({ pkgs, system }: {
        inherit (import ./docs { inherit pkgs lib; }) docs nixos-markdown nvim-markdown home-markdown;
        # Nvim standalone module
        nvim = nixvim.legacyPackages.${system}.makeNixvimWithModule {
          pkgs = import nixpkgs { inherit system overlays; };
          module = ./nvim/nixvim.nix;
        };
      });

      # Provide necessary overlays
      overlays = {
        nixvim = nixvim.overlays.default;
        neovim-nightly = neovim-nightly.overlays.default;
        jpassmenu = jpassmenu.overlays.default;
        audiomenu = audiomenu.overlays.default;
        "waybar-sway-patch" = final: prev: {
          waybar = prev.waybar.overrideAttrs (old:
            let
              # Fixes https://github.com/Alexays/Waybar/issues/3009
              patch = final.fetchpatch {
                url = "https://patch-diff.githubusercontent.com/raw/Alexays/Waybar/pull/3037.patch";
                hash = "sha256-u87t6zzslk1mzSfi4HQ6zDPFr7qMfsvymTy3HBxVTJQ=";
              };
              prevPatches = old.patches or [ ];
              # Deduplicate patch
              present = builtins.elem patch prevPatches;
            in
            { patches = prevPatches ++ final.lib.optional (!present) patch; });
        };
      };

      # Nix files formatter (run `nix fmt`)
      formatter = forEachSupportedSystem ({ pkgs, ... }: pkgs.nixpkgs-fmt);

      # Example vm configuration
      nixosConfigurations.vm =
        let
          system = "x86_64-linux";
          config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
            "steam-original"
          ];
          pkgs = import nixpkgs { inherit system overlays config; };
        in
        lib.nixosSystem
          {
            inherit system pkgs;
            modules = [
              self.nixosModules.vm # import vm module
              {
                time.timeZone = "Europe/Berlin";
                i18n.defaultLocale = "en_US.UTF-8";

                users.users.jdoe.password = "example";
                users.users.jdoe.isNormalUser = true;
                users.users.jdoe.extraGroups = [ "wheel" "video" "networkmanager" ];

                home-manager.users.jdoe = {
                  home.username = "jdoe";
                  home.homeDirectory = "/home/jdoe";

                  jhome.enable = true;
                  jhome.gui.enable = true;
                  jhome.dev.rust.enable = true;
                };

                nix.registry.nixpkgs.flake = nixpkgs;

                jconfig.enable = true;
                jconfig.gui.enable = true;
              }
            ];
          };


      nixosModules =
        let
          nvim-config.imports = [
            nixvim.homeManagerModules.nixvim
            ./nvim
          ];
          overlays = builtins.attrValues self.overlays;
          homeManagerModuleSandalone = import ./home { inherit overlays nvim-config stylix; };
          homeManagerModuleNixOS = import ./home { inherit overlays nvim-config; };
          nixosModule = {
            imports = [
              (import ./system { inherit stylix; })
              home-manager.nixosModules.home-manager
            ];

            home-manager.useGlobalPkgs = true;
            home-manager.useUserPackages = true;
            home-manager.sharedModules = [ homeManagerModuleNixOS ];

            # Pin nixpkgs
            nix.registry.nixpkgs.flake = nixpkgs;
          };

          machines = [ "capricorn" "gemini" "libra" "vm" ];
          mkMachine = hostname: {
            imports = [
              nixosModule
              (import (./machines + "/${hostname}") { inherit nixos-hardware; })
            ];
            home-manager.sharedModules = [{ jhome.hostName = hostname; }];
          };
          machineModules = lib.genAttrs machines mkMachine;
        in
        {
          default = nixosModule;
          inherit nixosModule homeManagerModuleNixOS homeManagerModuleSandalone;
        } // machineModules;

      devShells = forEachSupportedSystem ({ pkgs, system }: {
        default = pkgs.mkShell {
          inherit (self.checks.${system}.pre-commit-check) shellHook;
          buildInputs = with pkgs; [ just self.packages.${system}.nvim ];
          QEMU_OPTS_WL = "-smp 4 -device virtio-gpu-rutabaga,gfxstream-vulkan=on,cross-domain=on,hostmem=2G,wsi=headless";
        };
      });
    };
}