Merge branch 'JENKINS-20662' of github.com:daniel-beck/jenkins

core/src/main/java/jenkins/model/lazy/LazyBuildMixIn.java

@@ -183,6 +183,7 @@ public abstract class LazyBuildMixIn<JobT extends Job<JobT,RunT> & Queue.Task &
         try {
             RunT lastBuild = getBuildClass().getConstructor(asJob().getClass()).newInstance(asJob());
             builds.put(lastBuild);
+            lastBuild.getPreviousBuild(); // JENKINS-20662: create connection to previous build
             return lastBuild;
         } catch (InstantiationException e) {
             throw new Error(e);

test/src/test/groovy/jenkins/model/lazy/LazyBuildMixIn_Test.groovy

+package jenkins.model.lazy
+
+import hudson.model.Run
+import hudson.model.TaskListener
+import hudson.model.listeners.RunListener
+import org.junit.Rule
+import org.junit.Test
+import org.jvnet.hudson.test.Bug
+import org.jvnet.hudson.test.SleepBuilder
+import org.jvnet.hudson.test.JenkinsRule
+
+class LazyBuildMixIn_Test {
+    @Rule
+    public JenkinsRule r = new JenkinsRule();
+
+    @Test
+    @Bug(20662)
+    public void testNewRunningBuildRelationFromPrevious() {
+        def p = r.createFreeStyleProject();
+        p.buildersList.replaceBy([new SleepBuilder(1000)])
+        def b1 = p.scheduleBuild2(0).get();
+        assert null == b1.getNextBuild();
+        def b2 = p.scheduleBuild2(0).waitForStart();
+        assert b2 == b1.getNextBuild();
+    }
+}