flake.nix

{
  description = "Satellite";

  # {{{ Inputs
  inputs = {
    # {{{ Nixpkgs instances
    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
    # }}}
    # {{{ Additional package repositories
    nixos-hardware.url = "github:NixOS/nixos-hardware/master";

    # Firefox addons
    firefox-addons.url = "git+https://gitlab.com/rycee/nur-expressions?dir=pkgs/firefox-addons";
    firefox-addons.inputs.nixpkgs.follows = "nixpkgs";
    # }}}
    # {{{ Nix-related tooling
    # {{{ Storage
    impermanence.url = "github:nix-community/impermanence";

    # Declarative partitioning
    disko.url = "github:nix-community/disko";
    disko.inputs.nixpkgs.follows = "nixpkgs";
    # }}}

    home-manager.url = "github:nix-community/home-manager/release-24.05";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";

    nix-index-database.url = "github:Mic92/nix-index-database";
    nix-index-database.inputs.nixpkgs.follows = "nixpkgs";

    sops-nix.url = "github:Mic92/sops-nix";
    sops-nix.inputs.nixpkgs.follows = "nixpkgs";

    korora.url = "github:adisbladis/korora";
    # }}}
    # {{{ Standalone software
    # {{{ Nightly versions of things
    neovim-nightly-overlay.url = "github:nix-community/neovim-nightly-overlay";
    neovim-nightly-overlay.inputs.nixpkgs.follows = "nixpkgs";
    # }}}
    # {{{ Self management
    # Smos
    smos.url = "github:NorfairKing/smos";
    # smos.inputs.nixpkgs.url = "github:NixOS/nixpkgs/b8dd8be3c790215716e7c12b247f45ca525867e2";

    # Intray
    intray.url = "github:NorfairKing/intray";
    # intray.inputs.nixpkgs.url = "github:NixOS/nixpkgs/fc07dc3bdf2956ddd64f24612ea7fc894933eb2e";
    # }}}

    anyrun.url = "github:Kirottu/anyrun";
    anyrun.inputs.nixpkgs.follows = "nixpkgs";

    miros.url = "github:prescientmoon/miros";
    miros.inputs.nixpkgs.follows = "nixpkgs";

    # Spotify client with theming support
    spicetify-nix.url = "github:Gerg-L/spicetify-nix";
    spicetify-nix.inputs.nixpkgs.follows = "nixpkgs";
    # }}}
    # {{{ Theming
    darkmatter-grub-theme.url = "gitlab:VandalByte/darkmatter-grub-theme";
    darkmatter-grub-theme.inputs.nixpkgs.follows = "nixpkgs";

    stylix.url = "github:danth/stylix/a33d88cf8f75446f166f2ff4f810a389feed2d56";
    # stylix.inputs.nixpkgs.follows = "nixpkgs";
    # stylix.inputs.home-manager.follows = "home-manager";

    base16-schemes.url = "github:tinted-theming/schemes";
    base16-schemes.flake = false;
    # }}}
  };
  # }}}

  outputs =
    {
      self,
      nixpkgs,
      home-manager,
      ...
    }@inputs:
    let
      # {{{ Common helpers
      inherit (self) outputs;
      forAllSystems = nixpkgs.lib.genAttrs [ "x86_64-linux" ];

      specialArgs = system: {
        inherit inputs outputs;

        upkgs = inputs.nixpkgs-unstable.legacyPackages.${system};
      };
    in
    # }}}
    {
      # {{{ Packages
      # Accessible through 'nix build', 'nix shell', etc
      packages = forAllSystems (
        system:
        let
          pkgs = nixpkgs.legacyPackages.${system};
          upkgs = inputs.nixpkgs-unstable.legacyPackages.${system};
          myPkgs = import ./pkgs { inherit pkgs upkgs; };
        in
        myPkgs
        // (import ./dns/implementation) {
          inherit pkgs;
          extraModules = [ ./dns/config/common.nix ];
          octodnsConfig = ./dns/config/octodns.yaml;
          nixosConfigurations = builtins.removeAttrs self.nixosConfigurations [ "iso" ];
        }
      );
      # }}}
      # {{{ Bootstrapping and other pinned devshells
      # Accessible through 'nix develop'
      devShells = forAllSystems (
        system:
        let
          pkgs = nixpkgs.legacyPackages.${system};
          args = {
            inherit pkgs;
          } // specialArgs system;
        in
        import ./devshells args
      );
      # }}}
      # {{{ Overlays and modules
      # Custom packages and modifications, exported as overlays
      overlays = import ./overlays;

      # Reusable nixos modules
      nixosModules = import ./modules/nixos // import ./modules/common;

      # Reusable home-manager modules
      homeManagerModules = import ./modules/home-manager // import ./modules/common;
      # }}}
      # {{{ Nixos
      # NixOS configuration entrypoint
      # Available through 'nixos-rebuild --flake .#...
      nixosConfigurations =
        let
          nixos =
            { system, hostname }:
            nixpkgs.lib.nixosSystem {
              inherit system;
              specialArgs = specialArgs system;

              modules = [
                # {{{ Import home manager
                (
                  { lib, ... }:
                  {
                    imports = lib.lists.optionals (builtins.pathExists ./home/${hostname}.nix) [
                      home-manager.nixosModules.home-manager
                      {
                        home-manager.users.pilot = ./home/${hostname}.nix;
                        home-manager.extraSpecialArgs = specialArgs system // {
                          inherit hostname;
                        };
                        home-manager.useUserPackages = true;
                        home-manager.backupFileExtension = "hm-backup";

                        stylix.homeManagerIntegration.followSystem = false;
                        stylix.homeManagerIntegration.autoImport = false;
                      }
                    ];
                  }
                )
                # }}}

                ./hosts/nixos/${hostname}
              ];
            };
        in
        {
          tethys = nixos {
            system = "x86_64-linux";
            hostname = "tethys";
          };

          lapetus = nixos {
            system = "x86_64-linux";
            hostname = "lapetus";
          };

          calypso = nixos {
            system = "x86_64-linux";
            hostname = "calypso";
          };

          iso = nixos {
            system = "x86_64-linux";
            hostname = "iso";
          };
        };
      # }}}
    };

  # {{{ Caching and whatnot
  # TODO: persist trusted substituters file
  nixConfig = {
    extra-substituters = [
      "https://nix-community.cachix.org"
      # "https://anyrun.cachix.org"
      "https://smos.cachix.org"
      "https://intray.cachix.org"
    ];

    extra-trusted-public-keys = [
      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
      # "anyrun.cachix.org-1:pqBobmOjI7nKlsUMV25u9QHa9btJK65/C8vnO3p346s="
      "smos.cachix.org-1:YOs/tLEliRoyhx7PnNw36cw2Zvbw5R0ASZaUlpUv+yM="
      "intray.cachix.org-1:qD7I/NQLia2iy6cbzZvFuvn09iuL4AkTmHvjxrQlccQ="
    ];
  };
  # }}}
}