diff --git a/src/acs/.gitignore b/src/acs/.gitignore
new file mode 100644
index 0000000..49a8e78
--- /dev/null
+++ b/src/acs/.gitignore
@@ -0,0 +1,5 @@
+# There should be nothing in this directory except this file itself on the repo.
+.
+!.gitignore
+
+