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