150 lines
3.9 KiB
Nix
150 lines
3.9 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
cfg = config.services.redshift;
|
|
|
|
in {
|
|
|
|
options.services.redshift = {
|
|
enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = ''
|
|
Enable Redshift to change your screen's colour temperature depending on
|
|
the time of day.
|
|
'';
|
|
};
|
|
|
|
latitude = mkOption {
|
|
type = types.nullOr types.str;
|
|
default = null;
|
|
description = ''
|
|
Your current latitude, between
|
|
<literal>-90.0</literal> and <literal>90.0</literal>. Must be provided
|
|
along with longitude.
|
|
'';
|
|
};
|
|
|
|
longitude = mkOption {
|
|
type = types.nullOr types.str;
|
|
default = null;
|
|
description = ''
|
|
Your current longitude, between
|
|
between <literal>-180.0</literal> and <literal>180.0</literal>. Must be
|
|
provided along with latitude.
|
|
'';
|
|
};
|
|
|
|
provider = mkOption {
|
|
type = types.enum [ "manual" "geoclue2" ];
|
|
default = "manual";
|
|
description = ''
|
|
The location provider to use for determining your location. If set to
|
|
<literal>manual</literal> you must also provide latitude/longitude.
|
|
'';
|
|
};
|
|
|
|
temperature = {
|
|
day = mkOption {
|
|
type = types.int;
|
|
default = 5500;
|
|
description = ''
|
|
Colour temperature to use during the day, between
|
|
<literal>1000</literal> and <literal>25000</literal> K.
|
|
'';
|
|
};
|
|
night = mkOption {
|
|
type = types.int;
|
|
default = 3700;
|
|
description = ''
|
|
Colour temperature to use at night, between
|
|
<literal>1000</literal> and <literal>25000</literal> K.
|
|
'';
|
|
};
|
|
};
|
|
|
|
brightness = {
|
|
day = mkOption {
|
|
type = types.str;
|
|
default = "1";
|
|
description = ''
|
|
Screen brightness to apply during the day,
|
|
between <literal>0.1</literal> and <literal>1.0</literal>.
|
|
'';
|
|
};
|
|
night = mkOption {
|
|
type = types.str;
|
|
default = "1";
|
|
description = ''
|
|
Screen brightness to apply during the night,
|
|
between <literal>0.1</literal> and <literal>1.0</literal>.
|
|
'';
|
|
};
|
|
};
|
|
|
|
package = mkOption {
|
|
type = types.package;
|
|
default = pkgs.redshift;
|
|
defaultText = "pkgs.redshift";
|
|
description = ''
|
|
redshift derivation to use.
|
|
'';
|
|
};
|
|
|
|
extraOptions = mkOption {
|
|
type = types.listOf types.str;
|
|
default = [];
|
|
example = [ "-v" "-m randr" ];
|
|
description = ''
|
|
Additional command-line arguments to pass to
|
|
<command>redshift</command>.
|
|
'';
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
assertions = [
|
|
{
|
|
assertion =
|
|
if cfg.provider == "manual"
|
|
then (cfg.latitude != null && cfg.longitude != null)
|
|
else (cfg.latitude == null && cfg.longitude == null);
|
|
message = "Latitude and longitude must be provided together, and with provider set to null.";
|
|
}
|
|
];
|
|
|
|
# needed so that .desktop files are installed, which geoclue cares about
|
|
environment.systemPackages = [ cfg.package ];
|
|
|
|
services.geoclue2.enable = mkIf (cfg.provider == "geoclue2") true;
|
|
|
|
systemd.user.services.redshift =
|
|
let
|
|
providerString =
|
|
if cfg.provider == "manual"
|
|
then "${cfg.latitude}:${cfg.longitude}"
|
|
else cfg.provider;
|
|
in
|
|
{
|
|
description = "Redshift colour temperature adjuster";
|
|
wantedBy = [ "graphical-session.target" ];
|
|
partOf = [ "graphical-session.target" ];
|
|
serviceConfig = {
|
|
ExecStart = ''
|
|
${cfg.package}/bin/redshift \
|
|
-l ${providerString} \
|
|
-t ${toString cfg.temperature.day}:${toString cfg.temperature.night} \
|
|
-b ${toString cfg.brightness.day}:${toString cfg.brightness.night} \
|
|
${lib.strings.concatStringsSep " " cfg.extraOptions}
|
|
'';
|
|
RestartSec = 3;
|
|
Restart = "always";
|
|
};
|
|
};
|
|
};
|
|
|
|
}
|