depot/nixos/modules/hardware/apple-touchbar.nix

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{
config,
lib,
pkgs,
...
}:
let
cfg = config.hardware.apple.touchBar;
format = pkgs.formats.toml { };
cfgFile = format.generate "config.toml" cfg.settings;
in
{
options.hardware.apple.touchBar = {
enable = lib.mkEnableOption "support for the Touch Bar on some Apple laptops using tiny-dfr";
package = lib.mkPackageOption pkgs "tiny-dfr" { };
settings = lib.mkOption {
type = format.type;
default = { };
description = ''
Configuration for tiny-dfr. See [example configuration][1] for available options.
[1]: https://github.com/WhatAmISupposedToPutHere/tiny-dfr/blob/master/share/tiny-dfr/config.toml
'';
example = lib.literalExpression ''
{
MediaLayerDefault = true;
ShowButtonOutlines = false;
EnablePixelShift = true;
}
'';
};
};
config = lib.mkIf cfg.enable {
systemd.packages = [ cfg.package ];
services.udev.packages = [ cfg.package ];
environment.etc."tiny-dfr/config.toml".source = cfgFile;
systemd.services.tiny-dfr.restartTriggers = [ cfgFile ];
};
}