JENKINS-60751 Add listener to new bitbucket events (#291)

Author: drg2

src/main/java/com/cloudbees/jenkins/plugins/bitbucket/hooks/HookEventType.java

@@ -99,6 +99,18 @@ public enum HookEventType {
      */
     SERVER_PULL_REQUEST_APPROVED("pr:reviewer:approved", NativeServerPullRequestHookProcessor.class),
 
+    /**
+     * @see <a href="https://confluence.atlassian.com/bitbucketserver068/event-payload-981145451.html#Eventpayload-Modified">Eventpayload-Modified</a>
+     * @since Bitbucket Server 5.4
+     */
+    SERVER_PULL_REQUEST_MODIFIED("pr:modified", NativeServerPullRequestHookProcessor.class),
+
+    /**
+     * @see <a href="https://confluence.atlassian.com/bitbucketserver054/event-payload-939508609.html#Eventpayload-ReviewersUpdated">Eventpayload-Modified</a>
+     * @since Bitbucket Server 6.8
+     */
+    SERVER_PULL_REQUEST_REVIEWER_UPDATED("pr:reviewer:updated", NativeServerPullRequestHookProcessor.class),
+
     /**
      * Sent when hitting the {@literal "Test connection"} button in Bitbucket Server. Apparently undocumented.
      */

src/main/java/com/cloudbees/jenkins/plugins/bitbucket/hooks/NativeServerPullRequestHookProcessor.java

@@ -80,6 +80,10 @@ public void process(HookEventType hookEvent, String payload, BitbucketType insta
             case SERVER_PULL_REQUEST_DELETED:
                 eventType = SCMEvent.Type.REMOVED;
                 break;
+            case SERVER_PULL_REQUEST_MODIFIED:
+            case SERVER_PULL_REQUEST_REVIEWER_UPDATED:
+                eventType = SCMEvent.Type.UPDATED;
+                break;
             default:
                 LOGGER.log(Level.INFO, "Unknown hook event {0} received from Bitbucket Server", hookEvent);
                 return;
@@ -126,6 +130,7 @@ protected Map<SCMHead, SCMRevision> heads(@NonNull BitbucketSCMSource source) {
 
                 switch (getType()) {
                     case CREATED:
+                    case UPDATED:
                         final String targetHash = pullRequest.getDestination().getCommit().getHash();
                         final String pullHash = pullRequest.getSource().getCommit().getHash();
                         result.put(head,

src/main/java/com/cloudbees/jenkins/plugins/bitbucket/hooks/WebhookConfiguration.java

@@ -63,7 +63,9 @@ public class WebhookConfiguration {
             HookEventType.SERVER_PULL_REQUEST_OPENED.getKey(),
             HookEventType.SERVER_PULL_REQUEST_MERGED.getKey(),
             HookEventType.SERVER_PULL_REQUEST_DECLINED.getKey(),
-            HookEventType.SERVER_PULL_REQUEST_DELETED.getKey()
+            HookEventType.SERVER_PULL_REQUEST_DELETED.getKey(),
+            HookEventType.SERVER_PULL_REQUEST_MODIFIED.getKey(),
+            HookEventType.SERVER_PULL_REQUEST_REVIEWER_UPDATED.getKey()
     ));
 
     /**