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