# This file defines the structure of the `config` nixpkgs option. { lib, ... }: with lib; let mkMassRebuild = args: mkOption (builtins.removeAttrs args [ "feature" ] // { type = args.type or (types.uniq types.bool); default = args.default or false; description = (args.description or '' Whether to ${args.feature} while building nixpkgs packages. '') + '' Changing the default may cause a mass rebuild. ''; }); options = { /* Internal stuff */ warnings = mkOption { type = types.listOf types.str; default = []; internal = true; }; /* Config options */ doCheckByDefault = mkMassRebuild { feature = "run <literal>checkPhase</literal> by default"; }; }; in { inherit options; }