use buildEnv for radical-native

pkgs/radical-native/default.nix

@@ -1,5 +1,5 @@
 {
-  pkgs, stdenv, lib, fetchFromGitHub, rustPlatform,
+  pkgs, buildEnv, lib, fetchFromGitHub, rustPlatform,
   sqlcipher, ...
 }:
 
@@ -22,17 +22,26 @@ let
       cargoSha256 = "07499mybgr91kklbxcp3wlj0d2a3d25hj68w98z2xy1j1dkyhyw6";
     };
 
+  manifest = pkgs.writeTextFile {
+    name = "radical.native.json";
+    destination = "/lib/mozilla/native-messaging-hosts/radical.native.json";
+    text = ''
+      {
+        "name": "radical.native",
+        "description": "Radical Native",
+        "path": "${host}/bin/radical-native",
+        "type": "stdio",
+        "allowed_extensions": [ "@radical-native" ]
+      }
+    '';
+  };
+
 in
 
-pkgs.writeTextFile {
-  name = "radical.native.json";
-  text = ''
-    {
-      "name": "radical.native",
-      "description": "Radical Native",
-      "path": "${host}/bin/radical-native",
-      "type": "stdio",
-      "allowed_extensions": [ "@radical-native" ]
-    }
-  '';
+buildEnv {
+
+  name = "radical-nativeFull";
+
+  paths = [ host manifest ];
+
 }