nixos/documentation: Forward the specialArgs

This is necessary when generating the complete documenation for
configurations that import modules from the module arguments.

1 files changed, 2 insertions, 2 deletions

diff --git a/nixos/modules/misc/documentation.nix b/nixos/modules/misc/documentation.nix
index b031ff2f2be29..0f82fa0472a1f 100644
--- a/nixos/modules/misc/documentation.nix
+++ b/nixos/modules/misc/documentation.nix
@@ -1,4 +1,4 @@
-{ config, options, lib, pkgs, utils, modules, baseModules, extraModules, modulesPath, ... }:
+{ config, options, lib, pkgs, utils, modules, baseModules, extraModules, modulesPath, specialArgs, ... }:
 
 with lib;
 
@@ -41,7 +41,7 @@ let
           modules = [ {
             _module.check = false;
           } ] ++ docModules.eager;
-          specialArgs = {
+          specialArgs = specialArgs // {
             pkgs = scrubDerivations "pkgs" pkgs;
             # allow access to arbitrary options for eager modules, eg for getting
             # option types from lazy modules