Extension point for adding actions into build page

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

@@ -885,25 +885,6 @@ public abstract class AbstractBuild<P extends AbstractProject<P,R>,R extends Abs
         return getTimestamp();
     }
       
-     /**
-     * Add all transient action for this build
-     * 
-     */
-    protected List<Action> createTransientActions() {
-        Vector<Action> ta = new Vector<Action>();
-        for (TransientBuildActionFactory tpaf : TransientBuildActionFactory.all())
-            ta.addAll(Util.fixNull(tpaf.createFor(this)));
-        return ta;
-    }    
-
-    // commented out until fixed problem with adding actions, see discussion under https://github.com/jenkinsci/jenkins/pull/421
-/*    @Override
-    public List<Action> getActions() {
-        List<Action> actions = new CopyOnWriteArrayList<Action>(super.getActions());
-        actions.addAll(createTransientActions());
-        return actions;
-    }
-*/    
     public List<Action> getPersistentActions(){
         return super.getActions();
     }

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

@@ -243,6 +243,8 @@ public abstract class Run <JobT extends Job<JobT,RunT>,RunT extends Run<JobT,Run
      */
     private volatile transient Runner runner;
     
+    protected transient List<Action> transientActions;
+
     protected static final ThreadLocal<SimpleDateFormat> ID_FORMATTER =
             new ThreadLocal<SimpleDateFormat>() {
                 @Override
@@ -272,6 +274,7 @@ public abstract class Run <JobT extends Job<JobT,RunT>,RunT extends Run<JobT,Run
         this.timestamp = timestamp;
         this.state = State.NOT_STARTED;
 		getRootDir().mkdirs();
+        transientActions = updateTransientActions();
     }
 
     /**
@@ -304,6 +307,29 @@ public abstract class Run <JobT extends Job<JobT,RunT>,RunT extends Run<JobT,Run
         for (Action a : getActions())
             if (a instanceof RunAction)
                 ((RunAction) a).onLoad();
+        transientActions = updateTransientActions();
+    }
+    
+    /**
+     * Return all transient actions associated with this build
+     * 
+     * @return transient actions
+     */
+    public List<Action> getTransientActions(){
+        return transientActions;
+    }
+   
+    /**
+     * Create transient actions for this build
+     * 
+     * @return transient actions
+     */
+    public List<Action> updateTransientActions(){
+        List<Action> actions = new ArrayList<Action>();
+        for(TransientBuildActionFactory factory: TransientBuildActionFactory.all()){
+            actions.addAll(factory.createFor(this));
+        }
+        return actions;
      }
 
     @Override
@@ -2059,11 +2085,17 @@ public abstract class Run <JobT extends Job<JobT,RunT>,RunT extends Run<JobT,Run
     @Override
     public Object getDynamic(String token, StaplerRequest req, StaplerResponse rsp) {
         Object result = super.getDynamic(token, req, rsp);
-        if (result == null)
+        if (result == null){
+            //check transient actions too
+            for(Action action: transientActions){
+                if(action.getUrlName().equals(token))
+                    return action;
+            }
             // Next/Previous Build links on an action page (like /job/Abc/123/testReport)
             // will also point to same action (/job/Abc/124/testReport), but other builds
             // may not have the action.. tell browsers to redirect up to the build page.
             result = new RedirectUp();
+        }
         return result;
     }
 

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

@@ -7,7 +7,7 @@ import jenkins.model.Jenkins;
 import java.util.Collection;
 
 /**
- * Extension point for inserting transient {@link Action}s into {@link AbstractBuild}s.
+ * Extension point for inserting transient {@link Action}s into {@link Run}s.
  *
  * To register your implementation, put {@link Extension} on your subtype.
  *
@@ -20,10 +20,10 @@ public abstract class TransientBuildActionFactory implements ExtensionPoint {
     /**
      * Creates actions for the given build.
      *
-     * @param project for which the action objects are requested. Never null.
+     * @param Build for which the action objects are requested. Never null.
      * @return Can be empty but must not be null.
      */
-    public abstract Collection<? extends Action> createFor(AbstractBuild target);
+    public abstract Collection<? extends Action> createFor(Run target);
 
     /**
      * Returns all the registered {@link TransientBuildActionFactory}s.

core/src/main/resources/hudson/model/AbstractBuild/sidepanel.jelly

@@ -33,6 +33,15 @@ THE SOFTWARE.
       <j:set var="buildUrl" value="${h.decompose(request)}" />
       <st:include page="tasks.jelly"/>
       <st:include page="actions.jelly" />
+      <!-- add transient actions too -->
+      <j:forEach var="action" items="${it.transientActions}">          
+        <st:include page="action.jelly" from="${action}" optional="true">
+            <j:if test="${action.iconFileName!=null}">
+                <l:task icon="${h.getIconFilePath(action)}" title="${action.displayName}"
+                href="${h.getActionUrl(it.url,action)}" />
+            </j:if>
+        </st:include>
+      </j:forEach>
       <j:if test="${it.previousBuild!=null}">
         <l:task icon="images/24x24/previous.png" href="${buildUrl.previousBuildUrl}" title="${%Previous Build}" contextMenu="false"/>
       </j:if>