25 lines
721 B
Nix
25 lines
721 B
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.sane.programs.brightnessctl;
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in
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{
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sane.programs.brightnessctl = {
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sandbox.method = "landlock"; # also bwrap, but landlock is more responsive
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sandbox.extraPaths = [
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"/sys/class/backlight"
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"/sys/class/leds"
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"/sys/devices"
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];
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#v TODO: should be safe to remove
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sandbox.whitelistDbus = [ "system" ];
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};
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services.udev.extraRules = let
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chmod = "${pkgs.coreutils}/bin/chmod";
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chown = "${pkgs.coreutils}/bin/chown";
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in lib.mkIf cfg.enabled ''
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# make backlight controllable by members of `video`
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SUBSYSTEM=="backlight", RUN+="${chown} :video $sys$devpath/brightness", RUN+="${chmod} g+w $sys$devpath/brightness"
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'';
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}
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