{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    nixpkgs-darwin.url = "github:NixOS/nixpkgs/nixpkgs-24.05-darwin";

    lix-module = {
      url = "https://git.lix.systems/lix-project/nixos-module/archive/2.91.0.tar.gz";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    vampysite.url = "git+https://git.lain.faith/sorceress/vampysite";

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

    nix-darwin = {
      url = "github:LnL7/nix-darwin";
      inputs.nixpkgs.follows = "nixpkgs-darwin";
    };

    mms = {
      url = "github:mkaito/nixos-modded-minecraft-servers";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    url-eater = {
      url = "github:AgathaSorceress/url-eater";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };

    matrix-ril100 = {
      url = "git+https://git.lain.faith/sorceress/matrix-ril100";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };

    # Latest colmena + prettier loading icons
    colmena = {
      url = "github:AgathaSorceress/colmena";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };

    frq-friend = {
      url = "git+https://git.xenua.me/xenua/fedi-frq-friend";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    helix = {
      url = "github:helix-editor/helix";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };

    ccase = {
      url = "github:rutrum/ccase";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
  };
  outputs =
    {
      nixpkgs,
      nixpkgs-unstable,
      nixpkgs-darwin,
      lix-module,
      home-manager,
      nix-darwin,
      mms,
      helix,
      url-eater,
      matrix-ril100,
      frq-friend,
      colmena,
      vampysite,
      ccase,
      ...
    }:
    let
      mkOverlays = system: config: [
        (final: prev: {
          helix =
            let
              helix-pkgs = helix.packages.${final.system};
            in
            helix-pkgs.helix.passthru.wrapper (
              helix-pkgs.helix-unwrapped.overrideAttrs {
                preInstall = ''
                  substituteInPlace contrib/Helix.desktop \
                    --replace "Exec=hx %F" "Exec=kitty hx %F" \
                    --replace "Terminal=true" "Terminal=false"
                '';
              }
            );
          frq-friend = frq-friend.packages.${final.system}.default;
          vampysite = vampysite.packages.${final.system}.default;
          matrix-ril100 = matrix-ril100.packages.${final.system}.default;
          ccase = ccase.packages.${final.system}.default;

          # Unstable packages
          unstable = import nixpkgs-unstable { inherit system config; };
        })
        colmena.overlay
        lix-module.overlays.default
      ];
    in
    {
      colmena = {
        network = {
          description = "Agatha's Nix Infra";

          nixpkgs = import nixpkgs rec {
            system = "x86_64-linux";
            config.allowUnfree = true;
            overlays = mkOverlays system config;
          };
        };

        bloodletting = {
          imports = [
            ./common
            ./common/linux-specific.nix
            ./hosts/bloodletting/configuration.nix
            (import "${home-manager}/nixos")
            mms.module
          ];

          deployment = {
            targetUser = "root";
            targetHost = "technogothic.net";

            tags = [ "prod" ];

            keys = {
              "nyandroid-token" = {
                keyCommand = [
                  "cat"
                  "./secrets/nyandroid-token"
                ];
                destDir = "/var/lib/secrets/";
              };
              "hurricane-tokens" = {
                keyCommand = [
                  "cat"
                  "./secrets/hurricane-tokens"
                ];
                destDir = "/var/lib/secrets/";
              };
              "mc-status-bot-env" = {
                keyCommand = [
                  "cat"
                  "./secrets/mc-status-bot-env"
                ];
                destDir = "/var/lib/secrets";
              };
              "fedi-data.toml" = {
                keyCommand = [
                  "cat"
                  "./secrets/frq-friend-fedi-data.toml"
                ];
                destDir = "/var/lib/frq-friend";
              };
              "ril100-bot-secrets" = {
                keyCommand = [
                  "cat"
                  "./secrets/ril100-bot-secrets"
                ];
                destDir = "/var/lib/matrix-ril100";
                name = ".env";
              };
            };
          };
        };

        watchtower = {
          imports = [
            ./common
            ./common/linux-specific.nix
            ./hosts/watchtower/configuration.nix
            (import "${home-manager}/nixos")
          ];

          deployment = {
            targetUser = "root";
            targetHost = "watchtower";

            tags = [ "prod" ];

            keys = {
              "hetzner-env" = {
                keyCommand = [
                  "cat"
                  "./secrets/hetzner-env"
                ];
                destDir = "/var/lib/secrets/";
              };
              "gocryptfs-pass" = {
                keyCommand = [
                  "cat"
                  "./secrets/gocryptfs-pass"
                ];
                destDir = "/var/lib/secrets/";
              };
            };
          };
        };

        tears = {
          imports = [
            ./common
            ./common/linux-specific.nix
            ./hosts/tears/configuration.nix
            ./common/options.nix
            (import "${home-manager}/nixos")
            url-eater.nixosModules.default
          ];

          deployment = {
            targetUser = "root";
            targetHost = "tears";

            tags = [ "home" ];

            allowLocalDeployment = true;

            keys = {
              "restic-password" = {
                keyCommand = [
                  "cat"
                  "./secrets/restic-password"
                ];
                destDir = "/var/lib/secrets/";
              };
              "restic-env" = {
                keyCommand = [
                  "cat"
                  "./secrets/restic-env"
                ];
                destDir = "/var/lib/secrets/";
              };
            };
          };
        };
      };
      darwinConfigurations."Agathas-Mac-mini" = nix-darwin.lib.darwinSystem {
        pkgs = import nixpkgs-darwin rec {
          system = "aarch64-darwin";
          config.allowUnfree = true;
          overlays = mkOverlays system config;
        };
        modules = [
          ./common
          ./hosts/Agathas-Mac-mini/configuration.nix
          (import "${home-manager}/nix-darwin")
        ];
      };
      darwinConfigurations."ritual" = nix-darwin.lib.darwinSystem {
        pkgs = import nixpkgs-darwin rec {
          system = "x86_64-darwin";
          config.allowUnfree = true;
          overlays = mkOverlays system config;
        };
        modules = [
          ./common
          ./hosts/ritual/configuration.nix
          (import "${home-manager}/nix-darwin")
        ];
      };
      devShells =
        let
          patchedColmena =
            system:
            let
              pkgs = import nixpkgs { inherit system; };
            in
            pkgs.mkShell {
              buildInputs = [
                (pkgs.writeShellScriptBin "colmena" ''
                  ${colmena.defaultPackage.${pkgs.system}}/bin/colmena --disable-emoji $@
                '')
              ];
            };
        in
        {
          "x86_64-linux".default = patchedColmena "x86_64-linux";
          "aarch64-darwin".default = patchedColmena "aarch64-darwin";
          "x86_64-darwin".default = patchedColmena "x86_64-darwin";
        };
    };
}