From 5638cc22f3b8965de1fc36d3c9edce6e712322d6 Mon Sep 17 00:00:00 2001
From: Jan Tattermusch <jtattermusch@google.com>
Date: Thu, 25 Feb 2016 18:31:11 -0800
Subject: [PATCH] fix ruby distribtest on centos6

---
 tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile b/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
index f65b8690d7..b943b67e8a 100644
--- a/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/ruby_centos6_x64/Dockerfile
@@ -35,7 +35,9 @@ RUN yum install -y tar which
 
 # Install rvm
 RUN gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
-RUN \curl -sSL https://get.rvm.io | bash -s stable --ruby
+# Running the installation twice to work around docker issue when using overlay.
+# https://github.com/docker/docker/issues/10180
+RUN (curl -sSL https://get.rvm.io | bash -s stable --ruby) || (curl -sSL https://get.rvm.io | bash -s stable --ruby)
 
 RUN /bin/bash -l -c "echo '. /etc/profile.d/rvm.sh' >> ~/.bashrc"
 RUN /bin/bash -l -c "gem install --update bundler"
-- 
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