From 7ae01192425bf84fe12ad2f0926f8918fde65a74 Mon Sep 17 00:00:00 2001
From: pxLi <pxli@nyu.edu>
Date: Wed, 21 Oct 2020 09:46:38 +0800
Subject: [PATCH] skip clean if aborted before the image build stage in
 pre-merge (#992)

Signed-off-by: Peixin Li <pxli@nyu.edu>
---
 jenkins/Jenkinsfile-blossom.premerge | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/jenkins/Jenkinsfile-blossom.premerge b/jenkins/Jenkinsfile-blossom.premerge
index c46a2edd28b2..1c8496902fe0 100644
--- a/jenkins/Jenkinsfile-blossom.premerge
+++ b/jenkins/Jenkinsfile-blossom.premerge
@@ -261,5 +261,8 @@ void uploadDocker(String IMAGE_NAME) {
 }
 
 void deleteDockerTempTag(String tag) {
+    if (!tag?.trim()) { // return if the tag is null or empty
+        return
+    }
     sh "curl -u $URM_CREDS_USR:$URM_CREDS_PSW -XDELETE https://${ARTIFACTORY_NAME}/artifactory/sw-spark-docker-local/plugin/${tag} || true"
 }