build mods directly from flake:w

flake.nix

@@ -1,14 +1,41 @@
 {
   inputs = {
+    utils.url = "github:numtide/flake-utils";
+    nix-minecraft.url = "github:Infinidoge/nix-minecraft";
   };
   outputs =
     {
       self,
       nixpkgs,
+      utils,
       ...
-    }:
-    {
-      modpack = ./modpack;
-      orphan_mods = ./orphans_mods;
-    };
+    }@inputs:
+    utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        fetchPackwizModpack = inputs.nix-minecraft.legacyPackages.${system}.fetchPackwizModpack;
+      in
+      {
+        packages =
+          let
+            mods = fetchPackwizModpack {
+              url = ./modpack/pack.toml;
+              packHash = "sha256-IEGFlPqykpE4eBJdehwGMN3SdFRjue9JIZSwm9Lmp1I=";
+            };
+          in
+          {
+            mods = pkgs.stdenv.mkDerivation {
+              pname = "reclamation-mods";
+              version = "0.314";
+              src = ./.;
+              buildPhase = ''
+                mkdir -p $out/mods
+                cp ${mods}/mods/* $out/mods
+                cp $src/orphans_mods/* $out/mods
+              '';
+            };
+          };
+      }
+    );
 }