anchor.diff:        happy = callPackage ({ Cabal, array, base, containers, directory, filepath, mkDerivation, mtl, stdenv }:
         mkDerivation {
             pname = "happy";
  -          version = "1.19.7";
  -          sha256 = "bb312a9e63d5295cca3e94ebe32d7c094216d7d9dafee3edb45c847b45126f9b";
  -          revision = "1";
  -          editedCabalFile = "1w0sm3qn1icxiiif6355pr6cwd9bqfh56g8qc5hycagcnms8hip1";
  +          version = "1.19.8";
  +          sha256 = "4df739965d559e48a9b0044fa6140241c07e8f3c794c6c0a6323024fd7f0d3a0";
             isLibrary = false;
             isExecutable = true;
             setupHaskellDepends = [
  
positive.code:           pname = "foldl";
            version = "1.2.5";
            sha256 = "aa2d5c3cfb8641163dcdd489e9e0fe481301e94c0e3940fc9e234f8e1b00ec4b";
            libraryHaskellDepends = [
              base
              bytestring
  
negative.code:           pname = "servant-swagger";
            version = "1.1.3.1";
            sha256 = "e8d85d05f4251b7bdbd7c5f215d90a22eb55a46812bc82469d94d2f07adebb58";
            revision = "1";
            editedCabalFile = "1bx68rcz4whjw3pqm40aiqpfigcgg9dkgjdlggry2iv81s0415xf";
            setupHaskellDepends = [
              base
              Cabal
  