From 9545b73cf12ff20589ad9bdf12c9b3f90687dc3c Mon Sep 17 00:00:00 2001
From: spinnakerbot <spinbot@spinnaker.io>
Date: Thu, 27 Feb 2020 15:47:56 -0500
Subject: [PATCH] chore(containers): ignore stderr of `gcloud container images
 list-tags` (#22) (#24)

A manual cherry-pick of spinnaker/buildtool#20

Co-authored-by: Michael Plump <plumpy@gmail.com>
---
 dev/buildtool/container_commands.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dev/buildtool/container_commands.py b/dev/buildtool/container_commands.py
index 019db469..a3e0d4fb 100644
--- a/dev/buildtool/container_commands.py
+++ b/dev/buildtool/container_commands.py
@@ -18,6 +18,7 @@
 import logging
 import os
 import shutil
+import subprocess
 
 from buildtool import (
   SPINNAKER_HALYARD_REPOSITORY_NAME,
@@ -69,7 +70,7 @@ def __gcb_image_exists(self, image_name, version):
                options.docker_registry + '/' + image_name,
                '--filter="%s"' % version,
                '--format=json']
-    got = check_subprocess(' '.join(command))
+    got = check_subprocess(' '.join(command), stderr=subprocess.PIPE)
     if got.strip() != '[]':
       return True
     return False