diff --git a/restore-submodules.sh b/restore-submodules.sh
new file mode 100755
index 0000000..b92d28e
--- /dev/null
+++ b/restore-submodules.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -e
+
+git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
+    while read path_key path
+    do
+        url_key=$(echo $path_key | sed 's/\.path/.url/')
+        url=$(git config -f .gitmodules --get "$url_key")
+        git submodule add $url $path
+    done
diff --git a/src/godot b/src/godot
new file mode 160000
index 0000000..51cb2df
--- /dev/null
+++ b/src/godot
@@ -0,0 +1 @@
+Subproject commit 51cb2df1f608ed8dde615eff834b98ee233504d4