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

{cabal}:

cabal.mkDerivation (self : {
  pname = "hscolour";
  version = "1.17"; # Haskell Platform 2011.2.0.0
  sha256 = "1c14rrw69a5yjni2mdgdm21fsssc3c1j6i4sa7hxl9vq3ggcsidn";
  meta = {
    description = "Colourise Haskell code";
  };
})