{ pkgs ? import (builtins.fetchTarball { url = "https://github.com/nixos/nixpkgs/archive/356c6dcdf37cfb4162f534e5dcabadddbfbd6bfa.tar.gz"; sha256 = "sha256-JCkJfcZL1qs24L+Fv6OyFW4wTE6+NCg9I8nDf6npP+A="; }) {}, }: let inherit (pkgs.haskell.lib) dontCheck markUnbroken; hp = pkgs.haskell.packages.ghc928.override { overrides = self: super: rec { cuckoo = markUnbroken (dontCheck super.cuckoo); }; }; in hp.callCabal2nix "dedumi" ./. {}