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https://github.com/nix-community/home-manager
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5f433eb164
Before, loading a module would be guarded by an optional platform condition. This made it possible to avoid loading and evaluating a module if it did not support the host platform. Unfortunately, this made it impossible to share a single configuration between GNU/Linux and Darwin hosts, which some wish to do. This removes the conditional load and instead inserts host platform assertions in the modules that are platform specific. Fixes #1906
103 lines
2.4 KiB
Nix
103 lines
2.4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let cfg = config.services.wlsunset;
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in {
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meta.maintainers = [ maintainers.matrss ];
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options.services.wlsunset = {
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enable = mkEnableOption "Whether to enable wlsunset.";
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package = mkOption {
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type = types.package;
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default = pkgs.wlsunset;
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defaultText = "pkgs.wlsunset";
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description = ''
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wlsunset derivation to use.
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'';
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};
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latitude = mkOption {
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type = types.str;
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description = ''
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Your current latitude, between <literal>-90.0</literal> and
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<literal>90.0</literal>.
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'';
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};
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longitude = mkOption {
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type = types.str;
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description = ''
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Your current longitude, between <literal>-180.0</literal> and
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<literal>180.0</literal>.
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'';
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};
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temperature = {
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day = mkOption {
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type = types.int;
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default = 6500;
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description = ''
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Colour temperature to use during the day, in Kelvin (K).
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This value must be greater than <literal>temperature.night</literal>.
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'';
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};
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night = mkOption {
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type = types.int;
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default = 4000;
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description = ''
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Colour temperature to use during the night, in Kelvin (K).
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This value must be smaller than <literal>temperature.day</literal>.
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'';
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};
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};
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gamma = mkOption {
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type = types.str;
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default = "1.0";
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description = ''
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Gamma value to use.
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'';
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};
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systemdTarget = mkOption {
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type = types.str;
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default = "graphical-session.target";
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description = ''
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Systemd target to bind to.
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'';
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};
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};
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config = mkIf cfg.enable {
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assertions = [
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(lib.hm.assertions.assertPlatform "services.wlsunset" pkgs
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lib.platforms.linux)
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];
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systemd.user.services.wlsunset = {
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Unit = {
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Description = "Day/night gamma adjustments for Wayland compositors.";
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PartOf = [ "graphical-session.target" ];
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};
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Service = {
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ExecStart = let
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args = [
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"-l ${cfg.latitude}"
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"-L ${cfg.longitude}"
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"-t ${toString cfg.temperature.night}"
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"-T ${toString cfg.temperature.day}"
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"-g ${cfg.gamma}"
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];
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in "${cfg.package}/bin/wlsunset ${concatStringsSep " " args}";
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};
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Install = { WantedBy = [ cfg.systemdTarget ]; };
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};
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};
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}
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