fix(niri): wallpaper

modules/home/users/crumb/niri.nix

@@ -64,6 +64,20 @@ in {
     # File-picker.
     home.packages = [ pkgs.nautilus ];
 
+    systemd.user.services.wbg = lib.mkIf (! builtins.isNull cfg.wallpaper) {
+      Unit = {
+        Description = "Desktop wallpaper";
+        After = [ "niri.service" ];
+        PartOf = [ "niri.service" ];
+      };
+      Install.WantedBy = [
+        "niri.service"
+      ];
+      Service.ExecStart = ''
+        ${lib.getExe pkgs.wbg} "${cfg.wallpaper}"
+      '';
+    };
+
     programs.niri = {
       settings = {
         # Activates some Nixpkgs patches to help run Electron applications under
@@ -82,10 +96,7 @@ in {
 	    { command = [ "${pkgs.swaynotificationcenter}/bin/swaync" ]; }
 	  ++ lib.optional cfg.gammastep.enable
 	    { command = [ "${pkgs.gammastep}/bin/gammastep" "-o" "-O" "4000k"
-	      "-b" "0.9:0.9" "-l" "0:0"]; }
-	  ++ lib.optional
-	    (! builtins.isNull cfg.wallpaper)
-	    { command = [ "${pkgs.wbg}/bin/wbg" "${cfg.wallpaper}" ]; };
+	      "-b" "0.9:0.9" "-l" "0:0"]; };
 
         input = {
           keyboard.xkb = {