Update

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/user/configs/gui/gtk/default.nix

@@ -77,7 +77,10 @@ in
       lib.meta.getExe (
         pkgs.writeShellApplication {
           name = "theme-gtk";
-          runtimeInputs = with pkgs; [ dconf ];
+          runtimeInputs = with pkgs; [
+            dbus
+            dconf
+          ];
           text = ''
             MODE=$(cat "${hmConfig.theme.configDir}/mode")
 
@@ -87,8 +90,16 @@ in
               GTK_THEME="adw-gtk3-dark"
             fi
 
-            dconf write /org/gnome/desktop/interface/gtk-theme "'$GTK_THEME'"
-            dconf write /org/gnome/desktop/interface/color-scheme "'prefer-$MODE'"
+            if [[ -v DBUS_SESSION_BUS_ADDRESS ]]; then
+              DCONF_DBUS_RUN_SESSION=""
+            else
+              DCONF_DBUS_RUN_SESSION="dbus-run-session --dbus-daemon=dbus-daemon"
+            fi
+
+            $DCONF_DBUS_RUN_SESSION bash -c "
+              dconf write /org/gnome/desktop/interface/gtk-theme "'$GTK_THEME'"
+              dconf write /org/gnome/desktop/interface/color-scheme "'prefer-$MODE'"
+            "
           '';
         }
       )