liquidhaskell-0.8.10.7: nixpkgs.nix
import (fetchTarball "https://github.com/tweag/nixpkgs/archive/76318102e1177a235ff38872cf4dfb2fc9590a42.tar.gz")
import (fetchTarball "https://github.com/tweag/nixpkgs/archive/76318102e1177a235ff38872cf4dfb2fc9590a42.tar.gz")