141 lines
4.5 KiB
Nix
141 lines
4.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.xserver.xautolock;
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in
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{
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options = {
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services.xserver.xautolock = {
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enable = mkEnableOption "xautolock";
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enableNotifier = mkEnableOption "xautolock.notify" // {
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description = ''
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Whether to enable the notifier feature of xautolock.
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This publishes a notification before the autolock.
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'';
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};
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time = mkOption {
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default = 15;
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type = types.int;
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description = ''
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Idle time (in minutes) to wait until xautolock locks the computer.
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'';
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};
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locker = mkOption {
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default = "${pkgs.xlockmore}/bin/xlock"; # default according to `man xautolock`
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defaultText = literalExpression ''"''${pkgs.xlockmore}/bin/xlock"'';
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example = literalExpression ''"''${pkgs.i3lock}/bin/i3lock -i /path/to/img"'';
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type = types.str;
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description = ''
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The script to use when automatically locking the computer.
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'';
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};
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nowlocker = mkOption {
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default = null;
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example = literalExpression ''"''${pkgs.i3lock}/bin/i3lock -i /path/to/img"'';
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type = types.nullOr types.str;
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description = ''
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The script to use when manually locking the computer with {command}`xautolock -locknow`.
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'';
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};
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notify = mkOption {
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default = 10;
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type = types.int;
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description = ''
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Time (in seconds) before the actual lock when the notification about the pending lock should be published.
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'';
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};
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notifier = mkOption {
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default = null;
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example = literalExpression ''"''${pkgs.libnotify}/bin/notify-send 'Locking in 10 seconds'"'';
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type = types.nullOr types.str;
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description = ''
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Notification script to be used to warn about the pending autolock.
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'';
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};
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killer = mkOption {
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default = null; # default according to `man xautolock` is none
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example = "/run/current-system/systemd/bin/systemctl suspend";
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type = types.nullOr types.str;
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description = ''
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The script to use when nothing has happened for as long as {option}`killtime`
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'';
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};
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killtime = mkOption {
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default = 20; # default according to `man xautolock`
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type = types.int;
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description = ''
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Minutes xautolock waits until it executes the script specified in {option}`killer`
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(Has to be at least 10 minutes)
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'';
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};
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extraOptions = mkOption {
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type = types.listOf types.str;
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default = [ ];
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example = [ "-detectsleep" ];
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description = ''
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Additional command-line arguments to pass to
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{command}`xautolock`.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages = with pkgs; [ xautolock ];
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systemd.user.services.xautolock = {
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description = "xautolock service";
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wantedBy = [ "graphical-session.target" ];
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partOf = [ "graphical-session.target" ];
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serviceConfig = with lib; {
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ExecStart = strings.concatStringsSep " " ([
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"${pkgs.xautolock}/bin/xautolock"
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"-noclose"
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"-time ${toString cfg.time}"
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"-locker '${cfg.locker}'"
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] ++ optionals cfg.enableNotifier [
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"-notify ${toString cfg.notify}"
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"-notifier '${cfg.notifier}'"
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] ++ optionals (cfg.nowlocker != null) [
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"-nowlocker '${cfg.nowlocker}'"
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] ++ optionals (cfg.killer != null) [
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"-killer '${cfg.killer}'"
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"-killtime ${toString cfg.killtime}"
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] ++ cfg.extraOptions);
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Restart = "always";
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};
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};
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assertions = [
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{
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assertion = cfg.enableNotifier -> cfg.notifier != null;
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message = "When enabling the notifier for xautolock, you also need to specify the notify script";
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}
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{
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assertion = cfg.killer != null -> cfg.killtime >= 10;
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message = "killtime has to be at least 10 minutes according to `man xautolock`";
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}
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] ++ (lib.forEach [ "locker" "notifier" "nowlocker" "killer" ]
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(option:
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{
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assertion = cfg.${option} != null -> builtins.substring 0 1 cfg.${option} == "/";
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message = "Please specify a canonical path for `services.xserver.xautolock.${option}`";
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})
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);
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};
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}
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