diff --git a/import_submodules.sh b/import_submodules.sh
new file mode 100644
index 000000000..c1f703059
--- /dev/null
+++ b/import_submodules.sh
@@ -0,0 +1,8 @@
+rm -Rf external_imported
+git clean -xfd
+git submodule foreach --recursive git clean -xfd
+git submodule foreach --recursive git reset --hard
+git submodule update --init --recursive
+cp -Rf external external_imported
+find external_imported | grep "\.git$" | xargs rm -Rf
+git add -f external_imported