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
125 lines
3.4 KiB
Nix
125 lines
3.4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.cbatticon;
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package = pkgs.cbatticon;
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makeCommand = commandName: commandArg:
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optional (commandArg != null)
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(let cmd = pkgs.writeShellScript commandName commandArg;
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in "--${commandName} ${cmd}");
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commandLine = concatStringsSep " " ([ "${package}/bin/cbatticon" ]
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++ makeCommand "command-critical-level" cfg.commandCriticalLevel
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++ makeCommand "command-left-click" cfg.commandLeftClick
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++ optional (cfg.iconType != null) "--icon-type ${cfg.iconType}"
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++ optional (cfg.lowLevelPercent != null)
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"--low-level ${toString cfg.lowLevelPercent}"
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++ optional (cfg.criticalLevelPercent != null)
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"--critical-level ${toString cfg.criticalLevelPercent}"
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++ optional (cfg.updateIntervalSeconds != null)
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"--update-interval ${toString cfg.updateIntervalSeconds}"
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++ optional (cfg.hideNotification != null && cfg.hideNotification)
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"--hide-notification");
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in {
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meta.maintainers = [ maintainers.pmiddend ];
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options = {
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services.cbatticon = {
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enable = mkEnableOption "cbatticon";
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commandCriticalLevel = mkOption {
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type = types.nullOr types.lines;
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default = null;
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example = ''
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notify-send "battery critical!"
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'';
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description = ''
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Command to execute when the critical battery level is reached.
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'';
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};
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commandLeftClick = mkOption {
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type = types.nullOr types.lines;
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default = null;
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description = ''
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Command to execute when left clicking on the tray icon.
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'';
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};
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iconType = mkOption {
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type =
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types.nullOr (types.enum [ "standard" "notification" "symbolic" ]);
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default = null;
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example = "symbolic";
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description = "Icon type to display in the system tray.";
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};
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lowLevelPercent = mkOption {
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type = types.nullOr (types.ints.between 0 100);
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default = null;
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example = 20;
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description = ''
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Low level percentage of the battery in percent (without the
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percent symbol).
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'';
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};
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criticalLevelPercent = mkOption {
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type = types.nullOr (types.ints.between 0 100);
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default = null;
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example = 5;
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description = ''
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Critical level percentage of the battery in percent (without
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the percent symbol).
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'';
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};
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updateIntervalSeconds = mkOption {
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type = types.nullOr types.ints.positive;
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default = null;
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example = 5;
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description = ''
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Number of seconds between updates of the battery information.
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'';
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};
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hideNotification = mkOption {
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type = types.nullOr types.bool;
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default = null;
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description = "Hide the notification popups.";
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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.cbatticon" pkgs
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lib.platforms.linux)
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];
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home.packages = [ package ];
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systemd.user.services.cbatticon = {
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Unit = {
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Description = "cbatticon system tray battery icon";
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Requires = [ "tray.target" ];
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After = [ "graphical-session-pre.target" "tray.target" ];
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PartOf = [ "graphical-session.target" ];
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};
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Install = { WantedBy = [ "graphical-session.target" ]; };
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Service = {
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ExecStart = commandLine;
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Restart = "on-abort";
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};
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};
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};
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}
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