From cec124a162595be56fea1fd57f36c4b4437fcc8a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Sj=C3=B6gren?=
 <konstruktoid@users.noreply.github.com>
Date: Tue, 19 Mar 2019 14:27:02 +0100
Subject: [PATCH] exclude first ADD since its most often the base #362
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Signed-off-by: Thomas Sjögren <konstruktoid@users.noreply.github.com>
---
 tests/4_container_images.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/4_container_images.sh b/tests/4_container_images.sh
index f9211a8..0406a00 100644
--- a/tests/4_container_images.sh
+++ b/tests/4_container_images.sh
@@ -224,8 +224,8 @@ check_4_9() {
   fail=0
   add_images=""
   for img in $images; do
-    docker history "$img" 2> /dev/null | grep 'ADD' >/dev/null 2>&1
-    if [ $? -eq 0 ]; then
+    if docker history --format "{{ .CreatedBy }}" --no-trunc "$img" | sed '$d' |\
+      grep -q 'ADD'; then
       if [ $fail -eq 0 ]; then
         fail=1
         info "$check_4_9"