added a parameter to the Trigger callback.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1109 71c3de6d-444a-0410-be80-ed276b4c234a

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

@@ -171,7 +171,7 @@ public class Project extends Job<Project,Build> {
         });
 
         for (Trigger t : triggers)
-            t.start(this);
+            t.start(this,false);
 
         updateTransientActions();
     }
@@ -539,7 +539,7 @@ public class Project extends Job<Project,Build> {
                     t.stop();
                 buildDescribable(req, Triggers.TRIGGERS, triggers, "trigger");
                 for (Trigger t : triggers)
-                    t.start(this);
+                    t.start(this,true);
 
                 updateTransientActions();
 

core/src/main/java/hudson/triggers/Trigger.java

@@ -37,6 +37,17 @@ public abstract class Trigger implements Describable<Trigger>, ExtensionPoint {
      *
      * @param project
      *      given so that the persisted form of this object won't have to have a back pointer.
+     * @param newInstance
+     *      True if this is a newly created trigger first attached to the {@link Project}.
+     *      False if this is invoked for a {@link Project} loaded from disk.
+     */
+    public void start(Project project, boolean newInstance) {
+        start(project); // compatibility
+    }
+
+    /**
+     * @deprecated as of 1.61.
+     *      Use {@link #start(Project, boolean)}.
      */
     public void start(Project project) {
         this.project = project;