nixos-config/system/desktop/suspend.nix

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{ pkgs, config, lib, ... }:
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with lib;
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let
cfg = config.system.custom.suspend;
in {
options.system.custom.suspend.enable = mkEnableOption "use xlock in suspend";
config = mkIf cfg.enable {
systemd.services.screenlock = {
before = [ "sleep.target" ];
requiredBy = [ "sleep.target" ];
environment = let
display = if (config.services.xserver.display != null) then
config.services.xserver.display
else
0;
in { DISPLAY = ":${toString display}"; };
script = ''
${pkgs.xlockmore}/bin/xlock -mode life1d -size 1 &
sleep 1
'';
serviceConfig = {
SyslogIdentifier = "screenlock";
#Type = "simple";
Type = "forking";
User = config.users.users.mainUser.name;
};
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};
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services.logind.lidSwitch = "suspend";
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};
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}