Index: Jenkinsfile
===================================================================
--- Jenkinsfile	(revision 5c6768e7d0086ef88e1f6aa779c5fd05efe9770c)
+++ Jenkinsfile	(revision abc26975d64d5213c05650b63c01a35d1e613474)
@@ -74,5 +74,9 @@
 def collect_git_info() {
 
+	//create the temporary output directory in case it doesn't already exist
 	def out_dir = pwd tmp: true
+	sh "mkdir -p ${out_dir}"
+
+	//parse git logs to find what changed
 	gitRefName = env.BRANCH_NAME
 	dir("../${gitRefName}@script") {