chore(SystemdExt): add verbosity to updater

rootfs/usr/share/opengamepadui/scripts/update_systemd_ext.sh

@@ -3,9 +3,33 @@ set -ex
 
 cd ~/.var/lib/extensions
 rm -rf squashfs-root
+rm -rf opengamepadui.raw.updated
+
+echo "Extracting extension"
 unsquashfs -no-xattrs opengamepadui.raw
-grep '^ID=' /etc/os-release >squashfs-root/usr/lib/extension-release.d/extension-release.opengamepadui
-grep '^VERSION_ID=' /etc/os-release >>squashfs-root/usr/lib/extension-release.d/extension-release.opengamepadui
+
+# Check the OS version
+OS_ID=$(grep '^ID=' /etc/os-release)
+OS_VERSION=$(grep '^VERSION_ID=' /etc/os-release)
+
+# Check the extension version
+EXT_ID=$(grep '^ID=' squashfs-root/usr/lib/extension-release.d/extension-release.opengamepadui)
+EXT_VERSION=$(grep '^VERSION_ID=' squashfs-root/usr/lib/extension-release.d/extension-release.opengamepadui)
+
+echo "Details:"
+echo "  ${OS_ID}"
+echo "  ${OS_VERSION}"
+echo "  ${EXT_ID}"
+echo "  ${EXT_VERSION}"
+if [[ "${OS_ID}" == "${EXT_ID}" && "${OS_VERSION}" == "${EXT_VERSION}" ]]; then
+  echo "Extension is already up-to-date"
+  rm -rf squashfs-root
+  exit 0
+fi
+
+echo "Extension version does not match OS version. Updating extension."
+echo "${OS_ID}" >squashfs-root/usr/lib/extension-release.d/extension-release.opengamepadui
+echo "${OS_VERSION}" >>squashfs-root/usr/lib/extension-release.d/extension-release.opengamepadui
 mksquashfs squashfs-root opengamepadui.raw.updated
 mv opengamepadui.raw.updated opengamepadui.raw
 rm -rf squashfs-root