gnome extension with no schema

src/main

@@ -204,8 +204,10 @@ EXTENSIONS=(
 for extension in "${EXTENSIONS[@]}"; do
     if [[ ! -d $HOME/.local/share/gnome-shell/extensions/$extension ]];then
         gnome-extensions-cli install $extension
+        if [ -d $HOME/.local/share/gnome-shell/extensions/$extension/schemas]; then
             sudo cp $HOME/.local/share/gnome-shell/extensions/$extension/schemas/*.gschema.xml /usr/share/glib-2.0/schemas/
             sudo glib-compile-schemas /usr/share/glib-2.0/schemas/
+        fi
     else
         echo "extension <${extension}> already installed!"
     fi