source environment into the current shell

Change-Id: I2b70ac78fe31a9dcca7e7a7a48d31e1c11e42f23
diff --git a/Jenkinsfile b/Jenkinsfile
index ad7b6ca..ae70b26 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,10 +1,10 @@
 pipeline {
     agent any
-    
+
     stages {
         stage('build') {
             steps {
-                sh 'tools/build/envDefaults && onos-buck build onos'
+                sh '. tools/build/envDefaults && onos-buck build onos'
             }
         }
     }