modules/misc: include assertions and meta modules in the repo

Based on the modules we previously imported from NixOS.

This will allow us to drop the `defaultPkgs` specialArg and avoids
needing the proposed `pkgsPath` specialArg.
This commit is contained in:
Matt Sturgeon 2024-09-24 02:58:37 +01:00
parent 901346e38b
commit 6da94195c2
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3 changed files with 92 additions and 8 deletions

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{ lib, ... }:
# Based on https://github.com/NixOS/nixpkgs/blob/814a4e48/nixos/modules/misc/assertions.nix
{
options = {
assertions = lib.mkOption {
type = with lib.types; listOf unspecified;
internal = true;
default = [ ];
example = [
{
assertion = false;
message = "you can't enable this for that reason";
}
];
description = ''
This option allows modules to express conditions that must
hold for the evaluation of the system configuration to
succeed, along with associated error messages for the user.
'';
};
warnings = lib.mkOption {
internal = true;
default = [ ];
type = with lib.types; listOf str;
example = [ "The `foo' service is deprecated and will go away soon!" ];
description = ''
This option allows modules to show warnings to users during
the evaluation of the system configuration.
'';
};
};
# implementation of assertions is in lib/modules.nix
}