nixpkgs/nixos/lib/eval-config-minimal.nix
2023-05-06 18:32:58 +02:00

51 lines
1.5 KiB
Nix

# DO NOT IMPORT. Use nixpkgsFlake.lib.nixos, or import (nixpkgs + "/nixos/lib")
{ lib }: # read -^
let
/*
Invoke NixOS. Unlike traditional NixOS, this does not include all modules.
Any such modules have to be explicitly added via the `modules` parameter,
or imported using `imports` in a module.
A minimal module list improves NixOS evaluation performance and allows
modules to be independently usable, supporting new use cases.
Parameters:
modules: A list of modules that constitute the configuration.
specialArgs: An attribute set of module arguments. Unlike
`config._module.args`, these are available for use in
`imports`.
`config._module.args` should be preferred when possible.
Return:
An attribute set containing `config.system.build.toplevel` among other
attributes. See `lib.evalModules` in the Nixpkgs library.
*/
evalModules = {
prefix ? [],
modules ? [],
specialArgs ? {},
}:
# NOTE: Regular NixOS currently does use this function! Don't break it!
# Ideally we don't diverge, unless we learn that we should.
# In other words, only the public interface of nixos.evalModules
# is experimental.
lib.evalModules {
inherit prefix modules;
class = "nixos";
specialArgs = {
modulesPath = builtins.toString ../modules;
} // specialArgs;
};
in
{
inherit evalModules;
}