nixpkgs/pkgs/development/libraries/haskell/hscolour/default.nix

{cabal}:

cabal.mkDerivation (self : {
  pname = "hscolour";
  version = "1.17";
  sha256 = "b645cdde1b7827dae1519a4423031b4c6bed82a8edb52aa295bea86478ce24b0";
  meta = {
    description = "Colourise Haskell code";
  };
})