filterDivergedAttrsRecursive.nix

{ lib }:

{
  filterDivergedAttrsRecursive =
    lhs: rhs:
    let
      pred = path: v: (!lib.hasAttrByPath path rhs || (lib.getAttrFromPath path rhs) != v);
      recurse =
        path: set:
        lib.listToAttrs (
          lib.concatMap (
            name:
            let
              v = set.${name};
              p = path ++ [ name ];
            in
            if pred p v then [ (lib.nameValuePair name (if lib.isAttrs v then recurse p v else v)) ] else [ ]
          ) (lib.attrNames set)
        );
    in
    recurse [ ] lhs;
}