From b832a2f604fef43da1727ea260ad9ab376ec0e17 Mon Sep 17 00:00:00 2001
From: Madhura Bhave <mbhave@pivotal.io>
Date: Tue, 16 Oct 2018 16:36:44 -0700
Subject: [PATCH] Add reference to docker-lib source

---
 ci/images/docker-lib.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ci/images/docker-lib.sh b/ci/images/docker-lib.sh
index 497a422ceb3..6689357dfc9 100644
--- a/ci/images/docker-lib.sh
+++ b/ci/images/docker-lib.sh
@@ -1,3 +1,5 @@
+# Ref: https://github.com/concourse/docker-image-resource/blob/master/assets/common.sh
+
 sanitize_cgroups() {
   mkdir -p /sys/fs/cgroup
   mountpoint -q /sys/fs/cgroup || \