package in flake, but wthout uniffi.so

flake.nix

@@ -3,12 +3,18 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
+
+    binding = {
+      url = "git+https://git.berlin.ccc.de/servicepoint/servicepoint-binding-uniffi.git";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs =
     {
       self,
       nixpkgs,
+      binding,
     }:
     let
       lib = nixpkgs.lib;
@@ -22,43 +28,70 @@
         f:
         lib.genAttrs supported-systems (
           system:
-          f rec {
-            pkgs = nixpkgs.legacyPackages.${system};
+          f {
             inherit system;
+            pkgs = nixpkgs.legacyPackages.${system};
+            bindingPkgs = binding.packages.${system};
+            selfPkgs = self.packages.${system};
           }
         );
     in
     {
-      devShells = forAllSystems (
-        { pkgs, system }:
+      packages = forAllSystems (
         {
-          default = pkgs.mkShell {
-            packages = with pkgs; [
-              (pkgs.symlinkJoin
-              {
-                name = "rust-toolchain";
-                paths = with pkgs; [
-                  rustc
-                  cargo
-                  rustPlatform.rustcSrc
-                  rustfmt
-                  clippy
-                  cargo-expand
-                  cargo-tarpaulin
-                ];
-              })
-              dotnet-sdk_8
-              gcc
-              gnumake
-              xe
-              xz
+          pkgs,
+          bindingPkgs,
+          selfPkgs,
+          ...
+        }:
+        {
+          default = selfPkgs.servicepoint-binding-csharp;
+          servicepoint-binding-uniffi = bindingPkgs.servicepoint-binding-uniffi;
+          servicepoint-binding-csharp = pkgs.buildDotnetModule {
+            pname = "servicepoint-binding-csharp";
+            version = "0.0.0";
+
+            src = ./.;
+            projectFile = "csharp.sln";
+            nugetDeps = ./deps.json;
+
+            dotnet-sdk = pkgs.dotnetCorePackages.sdk_8_0;
+            dotnet-runtime = pkgs.dotnetCorePackages.runtime_8_0;
+
+            packNupkg = true;
+
+            nativeBuildInputs = with pkgs; [
               pkg-config
+              gnumake
+              iconv
+              bindingPkgs.servicepoint-binding-uniffi
             ];
-            RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
           };
         }
       );
 
-      formatter = forAllSystems ({ pkgs, ... }: pkgs.nixfmt-rfc-style);
+      devShells = forAllSystems (
+        {
+          pkgs,
+          bindingPkgs,
+          selfPkgs,
+          ...
+        }:
+        {
+          default = pkgs.mkShell {
+            inputsFrom = [
+              bindingPkgs.servicepoint-binding-uniffi
+              selfPkgs.servicepoint-binding-csharp
+            ];
+
+            packages = with pkgs; [
+              bindingPkgs.servicepoint-binding-uniffi
+              nuget-to-json
+            ];
+          };
+        }
+      );
+
+      formatter = forAllSystems ({ pkgs, ... }: pkgs.nixfmt-tree);
     };
 }