style

Signed-off-by: gwg313 <gwg313@pm.me>

hosts/grymforge/configuration.nix

@@ -34,6 +34,8 @@
     ./sysctl.nix
     ./earlyoom.nix
 
+    ./sleep.nix
+
     # Or modules from other flakes (such as nixos-hardware):
     # inputs.hardware.nixosModules.common-cpu-amd
     # inputs.hardware.nixosModules.common-ssd

hosts/grymforge/sleep.nix

@@ -0,0 +1,34 @@
+{ pkgs, ... }:
+{
+  systemd.services.sleep-schedule = {
+    description = "Suspend PC at 10PM and wake at 6:30AM using rtcwake";
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = pkgs.writeShellScript "sleep-schedule" ''
+        WAKE_TIME=$(${pkgs.coreutils}/bin/date +%s -d "tomorrow 06:30")
+        exec ${pkgs.util-linux}/bin/rtcwake -m mem -t "$WAKE_TIME"
+      '';
+    };
+  };
+
+  systemd.timers.sleep-schedule = {
+    description = "Timer to suspend PC at 10PM daily";
+    wantedBy = [ "timers.target" ];
+    timerConfig = {
+      OnCalendar = "daily 22:00";
+      Persistent = true;
+    };
+  };
+
+  security.sudo.extraRules = [
+    {
+      users = [ "root" ];
+      commands = [
+        {
+          command = "/run/current-system/sw/bin/rtcwake";
+          options = [ "NOPASSWD" ];
+        }
+      ];
+    }
+  ];
+}