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1{ lib }: 2 3{ 4 genFinalPackage = 5 pkg: args: 6 let 7 expectedArgs = with lib; lib.naturalSort (lib.attrNames args); 8 existingArgs = 9 with lib; 10 naturalSort (intersectLists expectedArgs (attrNames (functionArgs pkg.override))); 11 in 12 if existingArgs != expectedArgs then pkg else pkg.override args; 13}