Index: Jenkinsfile
===================================================================
--- Jenkinsfile	(revision 40032ae1c1487d5c6dc68c51531be65e29231e12)
+++ Jenkinsfile	(revision db583df28be3d9916e5b1b421cc447db34a3f6a2)
@@ -390,5 +390,5 @@
 def gitBranchUpdate(String gitRefOldValue, String gitRefNewValue) {
 	def update = ""
-	sh "git rev-list $oldrev..$newrev > GIT_LOG";
+	sh "git rev-list ${gitRefOldValue}..${gitRefNewValue} > GIT_LOG";
 	readFile('GIT_LOG').eachLine { rev ->
 		sh "git cat-file -t ${rev} > GIT_TYPE"