remove reliance on nh for most things

nix/default.nix

@@ -1,6 +1,6 @@
 {
   ocamlPackages,
-  ocaml-deps,
+  buildInputs,
   git,
   version,
   ...
@@ -12,6 +12,6 @@ ocamlPackages.buildDunePackage {
   minimalOCamlVersion = "5.2";
 
   src = ./..;
-  nativeBuildInputs = [git];
-  buildInputs = ocaml-deps;
+  nativeBuildInputs = [ git ];
+  inherit buildInputs;
 }

nix/meat-module.nix

@@ -1,30 +0,0 @@
-{
-  pkgs,
-  lib,
-  config,
-  ...
-}: let
-  inherit (lib) mkEnableOption mkOption types;
-  cfg = config.programs.meat;
-in {
-  options.programs.meat = {
-    enable = mkEnableOption "meat";
-    flake = mkOption {
-      type = with types; nullOr (either path str);
-      default = null;
-      description = "path to your system flake";
-    };
-  };
-  config = let
-    inherit (pkgs) meat nh lix;
-  in
-    lib.mkIf
-    cfg.enable
-    {
-      environment.systemPackages = [meat nh lix];
-      environment.sessionVariables.NH_FLAKE =
-        if (cfg.flake == null)
-        then abort "Please set the programs.meat.flake option to your system flake."
-        else config.programs.meat.flake;
-    };
-}

nix/module.nix

@@ -1,7 +1,30 @@
 {
-  meatOverlays,
-  lixModule,
-}: {
-  imports = [./meat-module.nix lixModule];
-  nixpkgs.overlays = meatOverlays;
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+let
+  inherit (lib) mkEnableOption mkOption types;
+  cfg = config.programs.meat;
+in
+{
+  options.programs.meat = {
+    enable = mkEnableOption "meat";
+    flake = mkOption {
+      type = with types; either path str;
+      description = "path to your system flake";
+    };
+    package = mkOption {
+      type = types.package;
+      description = "your ideal meat";
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    environment.sessionVariables.MEATS = cfg.flake;
+    environment.systemPackages = [
+      cfg.package
+      pkgs.nh # for now..
+    ];
+  };
 }