diff --git a/sources_non_forked/grep b/sources_non_forked/grep
new file mode 160000
index 00000000..ac33b4e2
--- /dev/null
+++ b/sources_non_forked/grep
@@ -0,0 +1 @@
+Subproject commit ac33b4e2e0cde6857d867dfa6a0bfb67692b24f1