gluon-core: always handle core scripts first

package/gluon-core/files/etc/uci-defaults/zzz-gluon-upgrade

@@ -27,18 +27,8 @@ do_dir() {
 	fi
 }
 
-
-version="$(version_of gluon-core)"
-
-oldversion="$(cat "$VERSION_FILE" 2>/dev/null)"
-if [ -z "$oldversion" ]; then oldversion="$(cat "$VERSION_FILE_FREIFUNK" 2>/dev/null)"; fi
-if [ -z "$oldversion" ]; then oldversion="$(cat "$VERSION_FILE_LFF" 2>/dev/null)"; fi
-if [ -z "$oldversion" ]; then oldversion="$(cat "$VERSION_FILE_KFF" 2>/dev/null)"; fi
-
-(
-	cd "$UPGRADE_DIR"
-
-	for component in *; do (
+do_component() {
+	local component="$1"
 	local version="$(version_of "$component")"
 	if [ -z "$version" ]; then continue; fi
 
@@ -63,6 +53,25 @@ if [ -z "$oldversion" ]; then oldversion="$(cat "$VERSION_FILE_KFF" 2>/dev/null)
 	do_dir invariant
 
 	echo "$version" > "$VERSION_DIR"/"$component"
+}
+
+
+version="$(version_of core)"
+
+oldversion="$(cat "$VERSION_FILE" 2>/dev/null)"
+if [ -z "$oldversion" ]; then oldversion="$(cat "$VERSION_FILE_FREIFUNK" 2>/dev/null)"; fi
+if [ -z "$oldversion" ]; then oldversion="$(cat "$VERSION_FILE_LFF" 2>/dev/null)"; fi
+if [ -z "$oldversion" ]; then oldversion="$(cat "$VERSION_FILE_KFF" 2>/dev/null)"; fi
+
+(
+	cd "$UPGRADE_DIR"
+
+	do_compoment core
+
+	for component in *; do (
+		if [ "$component" != 'core' ]; then
+			do_component "$component"
+		fi
 	) done
 )