anchor.diff:    # Disable tests pending resolution of
     # https://github.com/Soostone/retry/issues/71
     retry = dontCheck super.retry;
  +
  +  # Upper bound on `hashable` is too restrictive
  +  semigroupoids = overrideCabal super.semigroupoids (drv: { postPatch = "sed -i -e 's,hashable >= 1.2.7.0  && < 1.4,hashable >= 1.2.7.0  \\&\\& < 1.5,' semigroupoids.cabal";});
   
     streaming-commons = appendPatch super.streaming-commons (pkgs.fetchpatch {
       url = "https://gitlab.haskell.org/ghc/head.hackage/-/raw/dfd024c9a336c752288ec35879017a43bd7e85a0/patches/streaming-commons-0.2.2.1.patch";
  
positive.code:     sha256 = "1s8qqg7ymvv94dnfnr1ragx91chh9y7ydc4jx25zn361wbn00pv7";
    });
  
    semigroupoids = overrideCabal super.semigroupoids (drv: {
      # Patch from head.hackage for base 4.15 compat
      patches = drv.patches or [] ++ [
        (pkgs.fetchpatch {
          url = "https://gitlab.haskell.org/ghc/head.hackage/-/raw/dfd024c9a336c752288ec35879017a43bd7e85a0/patches/semigroupoids-5.3.5.patch";
          sha256 = "0xrn1gv6b2n76522pk2nfp4z69kvp14l2zpif2f8zzz6cwcrx9w8";
        })
      ];
      # acrobatics to make the patch apply
      prePatch = ''
        find . -type f | xargs -L 1 ${pkgs.buildPackages.dos2unix}/bin/dos2unix
      '';
      editedCabalFile = null;
      revision = null;
    });
  
    # Syntax error in tests fixed in https://github.com/simonmar/alex/commit/84b29475e057ef744f32a94bc0d3954b84160760
    alex = dontCheck super.alex;
  
  
negative.code:   HTTP = overrideCabal (doJailbreak super.HTTP) (drv: { postPatch = "sed -i -e 's,! Socket,!Socket,' Network/TCP.hs"; });
    integer-logarithms = overrideCabal (doJailbreak super.integer-logarithms) (drv: { postPatch = "sed -i -e 's, <1.1, <1.3,' integer-logarithms.cabal"; });
    indexed-traversable = doJailbreak super.indexed-traversable;
    indexed-traversable-instances = doJailbreak super.indexed-traversable-instances;
    lifted-async = doJailbreak super.lifted-async;
    lukko = doJailbreak super.lukko;
    network = super.network_3_1_2_5;
  