Add systemd user service to update swww every hour

Swap hyprpaper for swww

Move swww up a level into it's own file

system/home/hyprland.nix

@@ -13,6 +13,7 @@
     ./mako.nix
     ./avizo.nix
     ./wlogout.nix
+    ./swww.nix
   ];
   home.packages = [
     (pkgs.writeShellScriptBin "protonmail-setup-bridge" ''
@@ -22,7 +23,6 @@
     '')
   ];
   services = {
-    hyprpaper.enable = true;
     kanshi.systemdTarget = "hyprland-session.target";
     gpg-agent.pinentryPackage = pkgs.pinentry-gnome3;
     hypridle = {
@@ -147,6 +147,7 @@
         "${config.wayland.windowManager.hyprland.finalPackage}/bin/hyprctl setcursor ${config.gtk.cursorTheme.name} ${toString config.gtk.cursorTheme.size}"
         "${pkgs.libsForQt5.polkit-kde-agent}/libexec/polkit-kde-authentication-agent-1"
         "PASSWORD_STORE_DIR=/dev/null ${pkgs.protonmail-bridge}/bin/protonmail-bridge -n"
+        "${pkgs.swww}/bin/swww-daemon"
         "sleep 5; ${pkgs.dex}/bin/dex -a"
       ];
       gestures.workspace_swipe = true;
@@ -415,9 +416,5 @@
       ];
     };
   };
-  xdg.configFile."hypr/hyprpaper.conf".text = ''
-    preload = ${config.stylix.image}
-    wallpaper = ,${config.stylix.image}
-  '';
 
 }

system/home/swww.nix

@@ -0,0 +1,51 @@
+{ pkgs, ... }:
+let
+  swwwMorning = "${pkgs.swww}/bin/swww img ${../wallpapers/tropic_island_morning.jpg}";
+  swwwDay = "${pkgs.swww}/bin/swww img ${../wallpapers/tropic_island_day.jpg}";
+  swwwEvening = "${pkgs.swww}/bin/swww img ${../wallpapers/tropic_island_evening.jpg}";
+  swwwNight = "${pkgs.swww}/bin/swww img ${../wallpapers/tropic_island_night.jpg}";
+  dynamicWallpaper = pkgs.writeShellScriptBin "dynamic-wallpaper" ''
+    swww query || exit 1 # Check SWWW daemon is actually running
+    case $(date +%H) in
+        06 | 07 | 08) # Morning
+            ${swwwMorning}
+            ;;
+        09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17) # Day
+            ${swwwDay}
+            ;;
+        18 | 19 | 20) # Evening
+            ${swwwEvening}
+            ;;
+        21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05) # Night
+            ${swwwNight}
+            ;;
+    esac
+
+  '';
+in
+{
+  systemd.user = {
+    timers.dynamic-wallpaper = {
+      Install.WantedBy = [ "timers.target" ];
+      Timer = {
+        OnCalendar = "*:0";
+        Unit = "dynamic-wallpaper.service";
+      };
+    };
+    services.dynamic-wallpaper = {
+      Unit = {
+        Description = "Change wallpaper based on time of day";
+        Wants = [ "graphical-session.target" ];
+        After = [ "graphical-session.target" ];
+      };
+      Service = {
+        Type = "oneshot";
+        ExecStart = "${dynamicWallpaper}/bin/dynamic-wallpaper";
+      };
+    };
+  };
+  home.packages = [
+    pkgs.swww
+    dynamicWallpaper
+  ];
+}

system/home/swww/default.nix

@@ -1,30 +0,0 @@
-{ pkgs, ... }:
-let
-  swwwMorning = "${pkgs.swww}/bin/swww img ${../../wallpapers/tropic_island_morning.jpg}";
-  swwwDay = "${pkgs.swww}/bin/swww img ${../../wallpapers/tropic_island_day.jpg}";
-  swwwEvening = "${pkgs.swww}/bin/swww img ${../../wallpapers/tropic_island_evening.jpg}";
-  swwwNight = "${pkgs.swww}/bin/swww img ${../../wallpapers/tropic_island_night.jpg}";
-  dynamicWallpaper = pkgs.writeShellScriptBin "dynamic-wallpaper" ''
-    case $(date +%H) in
-        06 | 07 | 08) # Morning
-            ${swwwMorning}
-            ;;
-        09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17) # Day
-            ${swwwDay}
-            ;;
-        18 | 19 | 20) # Evening
-            ${swwwEvening}
-            ;;
-        21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05) # Night
-            ${swwwNight}
-            ;;
-    esac
-
-  '';
-in
-{
-  home.packages = [
-    pkgs.swww
-    dynamicWallpaper
-  ];
-}

system/home/swww/swww_init_according_to_time_of_day.sh

@@ -1,28 +0,0 @@
-#!/bin/sh
-
-# This allows you to control which image to init the daemon with according
-# to the time of day. You may change the match cases as you see fit.
-# This currently only takes hours into account, but it should be easy to
-# modify to also use minutes, or days of the week, if you want.
-#
-# Use it simply by calling this script instead of swww-daemon
-
-case $(date +%H) in
-	00 | 01 | 02 | 03 | 04 | 05 | 06 | 07) # First 8 hours of the day
-		# Uncomment below to setup the image you wish to display as your
-		# wallpaper if you run this script during the first 8 hours of the
-		# day
-
-		# swww-daemon && swww img path/to/img
-		;;
-	08 | 09 | 10 | 11 | 12 | 13 | 14 | 15) # Middle 8 hours of the day
-		# Same as above, but for the middle 8 hours of the day
-
-		# swww-daemon && swww img path/to/img
-		;;
-	16 | 17 | 18 | 19 | 20 | 21 | 22 | 23) # Final 8 hours of the day
-		# Same as above, but for the final 8 hours of the day
-
-		# swww-daemon && swww img path/to/img
-		;;
-esac