From afa5d90114e42f035608b32319b785fdf23eb42a Mon Sep 17 00:00:00 2001
From: Holden Karau <hkarau@apple.com>
Date: Thu, 28 May 2020 12:54:52 -0700
Subject: [PATCH] Don't delete the checkout we just did in the previous step

---
 dev/create-release/release-build.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dev/create-release/release-build.sh b/dev/create-release/release-build.sh
index 1fd8a30f605f0..3c287fdd36b9c 100755
--- a/dev/create-release/release-build.sh
+++ b/dev/create-release/release-build.sh
@@ -92,9 +92,12 @@ BASE_DIR=$(pwd)
 init_java
 init_maven_sbt
 
-rm -rf spark
-git clone "$ASF_REPO"
+# Only clone the repo fresh when not present, otherwise use checkout
+if [ ! -d spark ]; then
+  git clone "$ASF_REPO"
+fi
 cd spark
+git fetch
 git checkout $GIT_REF
 git_hash=`git rev-parse --short HEAD`
 echo "Checked out Spark git hash $git_hash"