[JENKINS-64553] fix ItemListener not called after updating job via RE…

…ST API or CLI (jenkinsci#9304)

[JENKINS-64553] call ItemListener after updating job via cli

when a job is updated via REST API or CLI, the
ItemListener.fireOnUpdated is now called to inform about the change.

(cherry picked from commit dae1737)

core/src/main/java/hudson/model/AbstractItem.java

@@ -937,6 +937,7 @@ public void updateByXml(Source source) throws IOException {
             // if everything went well, commit this new version
             out.commit();
             SaveableListener.fireOnChange(this, getConfigFile());
+            ItemListener.fireOnUpdated(this);
 
         } finally {
             out.abort(); // don't leave anything behind

test/src/test/java/hudson/model/listeners/ItemListenerTest.java

@@ -35,6 +35,7 @@
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
+import org.jvnet.hudson.test.Issue;
 import org.jvnet.hudson.test.JenkinsRule;
 
 /**
@@ -58,6 +59,12 @@ public void setUp() {
             @Override public void onCopied(Item src, Item item) {
                 events.append('Y');
             }
+
+            @Override
+            public void onUpdated(Item item) {
+                events.append('U');
+            }
+
         };
         ItemListener.all().add(0, listener);
     }
@@ -71,4 +78,18 @@ public void onCreatedViaCLI() {
         assertNotNull("job should be created: " + result, j.jenkins.getItem("testJob"));
         assertEquals("onCreated event should be triggered: " + result, "C", events.toString());
     }
+
+    @Issue("JENKINS-64553")
+    @Test
+    public void onUpdatedViaCLI() {
+        CLICommandInvoker.Result result = new CLICommandInvoker(j, "create-job").
+                withStdin(new ByteArrayInputStream("<project/>".getBytes(Charset.defaultCharset()))).
+                invokeWithArgs("testJob");
+        assertThat(result, CLICommandInvoker.Matcher.succeeded());
+        result = new CLICommandInvoker(j, "update-job").
+                withStdin(new ByteArrayInputStream("<project><actions/><builders/><publishers/><buildWrappers/></project>".getBytes(Charset.defaultCharset()))).
+                invokeWithArgs("testJob");
+        assertThat(result, CLICommandInvoker.Matcher.succeeded());
+        assertEquals("onUpdated event should be triggered: " + result, "CU", events.toString());
+    }
 }