{
  description = "RaitoBezarius's cute infrastructure";

  inputs = {
    flake-compat = {
      url = "github:edolstra/flake-compat";
      flake = false;
    };
    # Used by the core system config
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-20.09";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
    nixops.url = "github:NixOS/nixops/flake-support";
    nixos-hardware = {
      url = "github:NixOS/nixos-hardware";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    # Used by the dev shell
    flake-utils.url = "github:numtide/flake-utils";
    nixos-generators = {
      url = "github:nix-community/nixos-generators";
      flake = false;
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # Used by home-manager
    home-manager = {
      url = "github:nix-community/home-manager/release-20.09";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    comma = {
      url = "github:Shopify/comma";
      flake = false;
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, nixpkgs, nixpkgs-unstable, nixos-hardware, home-manager, nixops
  , comma, flake-utils, ... }:
  let
    x86System = "x86_64-linux";
    aarch64System = "aarch64-linux";
    overlay-unstable = system: final: prev: {
      unstable = import nixpkgs-unstable {
        inherit system;
        config.allowUnfree = true;
      };
    };
   in flake-utils.lib.eachDefaultSystem
    (system: 
    let pkgs = nixpkgs.legacyPackages.${system}; in
    {
      devShell = pkgs.mkShell {
        buildInputs = with pkgs; [
          nixFlakes
          nixops
          comma
          nixpkgs-fmt
          nixfmt
        ];
      };
    }) // {
      nixopsConfigurations.pine-a64-hecate = nixpkgs.lib.nixopsSystem {
      system = aarch64System;
      modules = [
        ({ lib, config, pkgs, ... }: {
          imports = [
            (import ./physical/hecate.nix {
              inherit pkgs;
            })
            (import ./machines/hecate.nix {
              inherit pkgs lib nixpkgs nixpkgs-unstable home-manager comma;
            })
            (import ./common/flake-conf.nix {
              inherit pkgs nixpkgs nixpkgs-unstable;
            })
          ];
          nixpkgs.overlays = [ (overlay-unstable aarch64System) ];
          nixpkgs.config.allowUnfree = true;
          system.configurationRevision =
            nixpkgs.lib.mkIf (self ? rev) self.rev;
            nix.registry.nixpkgs.flake = nixpkgs;
          })
        ];
      };
    };
  }