nixpkgs/nixos/modules/misc/assertions.nix
pennae 9547123258 nixos/*: convert internal option descriptions to MD
we'll have to do it eventually, may as well be now.
2022-08-31 16:32:54 +02:00

35 lines
951 B
Nix

{ lib, ... }:
with lib;
{
options = {
assertions = mkOption {
type = types.listOf types.unspecified;
internal = true;
default = [];
example = [ { assertion = false; message = "you can't enable this for that reason"; } ];
description = lib.mdDoc ''
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 = mkOption {
internal = true;
default = [];
type = types.listOf types.str;
example = [ "The `foo' service is deprecated and will go away soon!" ];
description = lib.mdDoc ''
This option allows modules to show warnings to users during
the evaluation of the system configuration.
'';
};
};
# impl of assertions is in <nixpkgs/nixos/modules/system/activation/top-level.nix>
}