init neue

flake.nix

@@ -1,13 +1,28 @@
 {
   inputs = {
-    nixpkgs.url = "nixpkgs/nixos-unstable";
+    nixpkgs.url = "nixpkgs/nixpkgs-unstable";
   };
-  outputs = {nixpkgs, ...}: let
+  outputs = {
+    nixpkgs,
+    self,
+    ...
+  }: let
     system = "x86_64-linux";
     pkgs = nixpkgs.legacyPackages.${system};
   in {
     packages.${system} = {
-      default = pkgs.callPackage ./package.nix {};
+      default =
+        pkgs.haskellPackages.callCabal2nix "hs-glsl" ./. {};
+    };
+    devShells.${system} = {
+      default = pkgs.mkShell {
+        packages = [
+          pkgs.cabal-install
+        ];
+        inputsFrom = [
+          self.packages.${system}.default
+        ];
+      };
     };
   };
 }