# thanks k900 { config, lib, pkgs, ... }: let cfg = config.mj.plasma; setValue = v: let setValueArgs = ty: vs: "--type ${ty} ${lib.escapeShellArg vs}"; in if builtins.isBool v then setValueArgs "bool" (if v then "true" else "false") else setValueArgs "str" (builtins.toString v); pathToArgs = path: let groupArg = item: "--group ${lib.escapeShellArg item}"; groupArgs = builtins.map groupArg path; in groupArgs; entryToArgs = { path, value }: let file = builtins.head path; subpath = builtins.tail path; groups = lib.lists.init subpath; name = lib.lists.last subpath; fileArg = "--file ${lib.escapeShellArg file}"; pathArgs = pathToArgs groups; keyArg = "--key ${lib.escapeShellArg name}"; valueArg = setValue value; allArgs = pathArgs ++ [ fileArg keyArg valueArg ]; in lib.strings.concatStringsSep " " allArgs; flattenAttrs = attrs: pathSoFar: lib.lists.flatten ( lib.attrsets.mapAttrsToList ( name: value: if builtins.isAttrs value then flattenAttrs value (pathSoFar ++ [ name ]) else { path = pathSoFar ++ [ name ]; inherit value; } ) attrs ); configToArgs = attrs: builtins.map entryToArgs (flattenAttrs attrs [ ]); configToScript = attrs: let args = configToArgs attrs; argToCommand = arg: "${pkgs.plasma5Packages.kconfig}/bin/kwriteconfig5 ${arg}"; commands = builtins.map argToCommand args; in lib.strings.concatStringsSep "\n" commands; writeConfig = attrs: pkgs.writeScript "kconfig-setup" (configToScript attrs); in { options.mj.plasma = { kconfig = lib.mkOption { type = lib.types.attrs; default = { }; }; }; config = lib.mkIf (cfg.kconfig != { }) { home.activation.kconfig-setup = "$DRY_RUN_CMD ${writeConfig cfg.kconfig}"; }; }