{ lib, pkgs, ... }: { nixpkgs = lib.mkForce { derivation = '' with import <nixpkgs> {}; pkgs.fetchFromGitHub { owner = "nixos"; repo = "nixpkgs"; rev = "${(lib.importJSON ../../../krebs/nixpkgs.json).rev}"; sha256 = "${(lib.importJSON ../../../krebs/nixpkgs.json).sha256}"; } ''; }; }