Merge pull request #81241 from thefloweringash/nesting-system

nixos/activation: propagate system to nested configurations

1 files changed, 6 insertions, 0 deletions

diff --git a/nixos/lib/eval-config.nix b/nixos/lib/eval-config.nix
index 77490ca3762a..9892d6f160f7 100644
--- a/nixos/lib/eval-config.nix
+++ b/nixos/lib/eval-config.nix
@@ -41,6 +41,12 @@ let
       # default to the argument. That way this new default could propagate all
       # they way through, but has the last priority behind everything else.
       nixpkgs.system = lib.mkDefault system;
+
+      # Stash the value of the `system` argument. When using `nesting.children`
+      # we want to have the same default value behavior (immediately above)
+      # without any interference from the user's configuration.
+      nixpkgs.initialSystem = system;
+
       _module.args.pkgs = lib.mkIf (pkgs_ != null) (lib.mkForce pkgs_);
     };
   };