universe/flake.nix

{
  description = "Infinidoge's NixOS configuration";

  inputs = {
    private.url = "git+ssh://git@github.com/Infinidoge/universe-private";

    universe-cli.url = "github:Infinidoge/universe-cli";
    universe-cli.inputs.nixpkgs.follows = "nixos";

    # --- DevOS Flake Inputs
    # # --- Channels ---
    stable.url = "github:nixos/nixpkgs/nixos-23.05";
    nixos.url = "github:nixos/nixpkgs/nixos-unstable";
    latest.url = "github:nixos/nixpkgs";
    staging.url = "github:nixos/nixpkgs/staging";
    fork.url = "github:Infinidoge/nixpkgs/combined/all";

    # # --- Libraries ---
    digga.url = "github:divnix/digga";
    digga.inputs.nixpkgs.follows = "nixos";
    digga.inputs.nixlib.follows = "nixos";
    digga.inputs.home-manager.follows = "home";
    digga.inputs.deploy.follows = "blank";
    digga.inputs.darwin.follows = "blank";
    blank.url = "github:divnix/blank";
    digga.inputs.flake-utils-plus.url = "github:ravensiris/flake-utils-plus/ravensiris/fix-devshell-legacy-packages";

    bud.url = "github:divnix/bud";
    bud.inputs.nixpkgs.follows = "nixos";
    bud.inputs.devshell.follows = "digga/devshell";

    home.url = "github:nix-community/home-manager";
    home.inputs.nixpkgs.follows = "nixos";

    agenix.url = "github:ryantm/agenix";
    agenix.inputs.nixpkgs.follows = "nixos";
    agenix.inputs.home-manager.follows = "home";

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

    impermanence.url = "github:nix-community/impermanence";

    hlissner-dotfiles.url = "github:hlissner/dotfiles";

    quick-nix-registry.url = "github:divnix/quick-nix-registry";

    nixos-wsl.url = "github:nix-community/NixOS-WSL";

    # --- Domain-Specific Flake Inputs
    # # --- Minecraft
    nix-minecraft.url = "github:Infinidoge/nix-minecraft/develop";
    nix-minecraft.inputs.nixpkgs.follows = "nixos";

    # # --- Rust
    fenix.url = "github:nix-community/fenix";
    fenix.inputs.nixpkgs.follows = "nixos";
  };

  outputs =
    { self
    , digga
    , nixos
    , home
    , agenix
    , private
    , ...
    }@inputs:
    digga.lib.mkFlake
      {
        inherit self inputs;

        channelsConfig = { allowUnfree = true; };

        channels = {
          nixos = {
            imports = [ (digga.lib.importOverlays ./overlays) ];
            overlays = [
              # --- DevOS Overlays
              agenix.overlays.default
              ./pkgs/default.nix

              # --- Domain-Specific Overlays
              inputs.nix-minecraft.overlay
              inputs.fenix.overlays.default
              inputs.universe-cli.overlays.default
            ];
          };
          stable = { };
          latest = { };
          staging = { };
          fork = { };
        };

        lib = import ./lib { lib = digga.lib // nixos.lib; };

        sharedOverlays = [
          (final: prev: {
            __dontExport = true;
            lib = prev.lib.extend (lfinal: lprev: {
              our = self.lib;
              hlissner = inputs.hlissner-dotfiles.lib;
              hm = home.lib.hm;
            });
          })
        ];

        nixos = {
          hostDefaults = {
            system = "x86_64-linux";
            channelName = "nixos";
            imports = [ (digga.lib.importExportableModules ./modules) ];
            modules = let users = digga.lib.rakeLeaves ./users; in [
              # --- DevOS Modules ---
              { lib.our = self.lib; }
              digga.nixosModules.bootstrapIso
              digga.nixosModules.nixConfig
              home.nixosModules.home-manager
              agenix.nixosModules.age
              ./secrets

              private.nixosModules.networking

              # --- Library Modules ---
              inputs.nixos-wsl.nixosModules.wsl
              inputs.impermanence.nixosModules.impermanence
              inputs.quick-nix-registry.nixosModules.local-registry

              # --- Domain-Specific Modules ---
              inputs.nix-minecraft.nixosModules.minecraft-servers

              # --- Users ---
              users.root
              users.infinidoge
            ];
          };

          imports = [ (digga.lib.importHosts ./hosts) ];
          importables = {
            inherit private;
            profiles = digga.lib.rakeLeaves ./profiles;
          };
        };

        home =
          let
            profiles = digga.lib.rakeLeaves ./users/profiles;
          in
          {
            imports = [ (digga.lib.importExportableModules ./users/modules) ];
            modules = with profiles; [
              inputs.impermanence.nixosModules.home-manager.impermanence

              # Base Configuration
              xdg

              # Programs
              direnv
              git
              emacs
              vim
              gpg
              ssh
              keychain

              # Terminal
              starship
              shells.all
              tmux
            ];
            importables = {
              inherit inputs profiles;
            };
          };

        devshell = ./shell;

        homeConfigurations = digga.lib.mkHomeConfigurations self.nixosConfigurations;
      }
  ;
}