diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..3ab9128
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "foo"]
+	path = foo
+	url = https://src.opensuse.org/adamm/hello.git
+	branch = master
diff --git a/foo b/foo
new file mode 160000
index 0000000..187082b
--- /dev/null
+++ b/foo
@@ -0,0 +1 @@
+Subproject commit 187082b1b40c8e5a2e375ce098c05bd3f43c47937573f30ce6dda046b42ef3b0