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-rw-r--r--tools/dockerfile/grpc_artifact_protoc/Dockerfile7
1 files changed, 3 insertions, 4 deletions
diff --git a/tools/dockerfile/grpc_artifact_protoc/Dockerfile b/tools/dockerfile/grpc_artifact_protoc/Dockerfile
index 2904a8fa51..44d0eb57fd 100644
--- a/tools/dockerfile/grpc_artifact_protoc/Dockerfile
+++ b/tools/dockerfile/grpc_artifact_protoc/Dockerfile
@@ -60,10 +60,9 @@ RUN yum install -y devtoolset-1.1 \
devtoolset-1.1-libstdc++-devel.i686 || true
# Update Git to version >1.7 to allow cloning submodules with --reference arg.
-RUN yum remove -y git
-RUN yum install -y epel-release
-RUN yum install -y https://centos6.iuscommunity.org/ius-release.rpm
-RUN yum install -y git2u
+RUN yum remove -y git && yum clean all
+RUN yum install -y https://centos6.iuscommunity.org/ius-release.rpm && yum clean all
+RUN yum install -y git2u && yum clean all
# Start in devtoolset environment that uses GCC 4.7
CMD ["scl", "enable", "devtoolset-1.1", "bash"]