{ fetchurl }:

fetchurl {
  url = "https://github.com/commercialhaskell/all-cabal-hashes/archive/10e6ea0c54a4aa41de51d1d7e2314115bb2e172a.tar.gz";
  sha256 = "0kjy1dxa2kra4j02ni8lpg74jy7fl361yiha330c52spvd2v8i8h";
}