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eval.nix: Skip recursive type checking when cross-referencing configs through the nodes argument

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This makes evaluation faster especially when `nodes` is heavily used in
the configuration (like in my auto-meshing setup). This matches the
behavior of Morph.
This commit is contained in:
Zhaofeng Li 2022-01-01 16:41:35 -08:00
parent cdbb69617f
commit 872f944743
1 changed files with 15 additions and 1 deletions
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16
src/nix/hive/eval.nix
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@ -445,13 +445,27 @@ let
hive.defaults
] ++ configs ++ (import (npkgs.path + "/nixos/modules/module-list.nix"));
specialArgs = hive.meta.specialArgs // {
inherit name nodes;
inherit name;
nodes = uncheckedNodes;
modulesPath = npkgs.path + "/nixos/modules";
};
};
nodeNames = filter (name: ! elem name reservedNames) (attrNames hive);
# Used as the `nodes` argument in modules. We skip recursive type checking
# for performance.
uncheckedNodes = listToAttrs (map (name: let
configs = [
{
_module.check = false;
}
] ++ configsFor name;
in {
inherit name;
value = evalNode name configs;
}) nodeNames);
# Exported attributes
#
# Functions are intended to be called with `nix-instantiate --eval --json`