{cabal} : cabal.mkDerivation (self : { pname = "hscolour"; version = "1.19"; sha256 = "17wzd1b7kd4di7djj8d203rn6r1zvd6rykpxhqv7j06kzgx2r7bz"; meta = { homepage = "http://code.haskell.org/~malcolm/hscolour/"; description = "Colourise Haskell code."; license = "GPL"; platforms = self.ghc.meta.platforms; maintainers = [ self.stdenv.lib.maintainers.simons ]; }; })