qol(Hibernate/Sleep): Now works 🎉

nix/hosts/doloro/nixos.nix

@@ -126,11 +126,12 @@ in
     # Enable this if you have graphical corruption issues or application crashes after waking
     # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead
     # of just the bare essentials.
-    powerManagement.enable = false;
+    powerManagement.enable = true;
 
     # Fine-grained power management. Turns off GPU when not in use.
     # Experimental and only works on modern Nvidia GPUs (Turing or newer).
     powerManagement.finegrained = false;
+    # prime.offload.enable = true;
 
     # Use the NVidia open source kernel module (not to be confused with the
     # independent third-party "nouveau" open source driver).

nix/modules/hyprland/home.nix

@@ -7,6 +7,18 @@
 }:
 let
   cfg = config.modules.Hyprland;
+  suspend = pkgs.writeShellScript "hyprland_suspend" ''
+    	#!/bin/bash
+
+    case "$1" in
+        suspend)
+            killall -STOP Hyprland
+            ;;
+        resume)
+            killall -CONT Hyprland
+            ;;
+    esac
+    	'';
 in
 {
   imports = [
@@ -17,7 +29,9 @@ in
   options.modules.Hyprland = {
     enable = lib.mkEnableOption "Hyprland";
   };
-  config.wayland.windowManager.hyprland = lib.mkIf cfg.enable {
+  # TODO, split this into its own module;
+  config = lib.mkIf cfg.enable {
+    wayland.windowManager.hyprland = {
       enable = true;
       # set the flake package
       # settings = {  };
@@ -26,8 +40,7 @@ in
       portalPackage =
         inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.xdg-desktop-portal-hyprland;
     };
-  # TODO, split this into its own module;
+    programs = {
-  config.programs = lib.mkIf cfg.enable {
       wlogout = {
         enable = true;
       };
@@ -46,4 +59,46 @@ in
         };
       };
     };
+    systemd.user.services."hyprland_suspend" = {
+      Unit = {
+        Description = "Suspend hyprland";
+        Before = [
+          "systemd-suspend.service"
+          "systemd-hibernate.service"
+          "nvidia-suspend.service"
+          "nvidia-hibernate.service"
+        ];
+      };
+      Install = {
+        WantedBy = [
+          "systemd-suspend.service"
+          "systemd-hibernate.service"
+        ];
+      };
+      Service = {
+        Type = "oneshot";
+        ExecStart = "${suspend} suspend";
+      };
+    };
+    systemd.user.services."hyprland_resume" = {
+      Unit = {
+        Description = "Resume hyprland";
+        After = [
+          "systemd-suspend.service"
+          "systemd-hibernate.service"
+          "nvidia-resume.service"
+        ];
+      };
+      Install = {
+        WantedBy = [
+          "systemd-suspend.service"
+          "systemd-hibernate.service"
+        ];
+      };
+      Service = {
+        Type = "oneshot";
+        ExecStart = "${suspend} resume";
+      };
+    };
+  };
 }

nix/modules/hyprland/nixos.nix

@@ -14,6 +14,19 @@ in
   };
   config = lib.mkIf cfg.enable {
     programs.xwayland.enable = true;
+    boot.kernelParams = [
+      "resume=UUID=d9b81619-5772-4ac4-bcd5-552e1e784f9e"
+      "resume_offset=141042944"
+    ];
+    boot.resumeDevice = "/dev/disk/by-uuid/d9b81619-5772-4ac4-bcd5-552e1e784f9e";
+    powerManagement.enable = true;
+    swapDevices = [
+      # [[ Hibernate ]]
+      {
+        device = "/var/lib/swapfile";
+        size = 48 * 1024; # 48GB in MB
+      }
+    ];
     programs.hyprland = {
       enable = true;
       # set the flake package