@@ -33,15 +33,10 @@ in rec {
3333 update-pins = haskell.callPackage ./scripts/update-pins.nix {};
3434 update-docs = pkgs.buildPackages.callPackage ./scripts/update-docs.nix {
3535 generatedOptions = import ./scripts/options-doc.nix {
36− # nixpkgs unstable changes "Option has no description" from an
36+ # nixpkgs 19.09 changes "Option has no description" from an
3737 # error into a warning. That is quite helpful when hardly any
3838 # of our options are documented, thanks @oxij.
39− pkgs = import (pkgs.fetchFromGitHub {
40− owner = "NixOS";
41− repo = "nixpkgs";
42− rev = "4ab1c14714fc97a27655f3a6877386da3cb237bc";
43− sha256 = "16lcj9552q2jfxc27j6116qkf2vl2dcj7vhg5gdq4qi51d891yhn";
44− }) {};
39+ pkgs = import ./nixpkgs { nixpkgs-pin = "release-19.09"; };
4540 };
4641 };
4742 # Because this is going to be used to test caching on hydra, it must not