Testing against the type allows us to check the applicability of a build step even if a concrete instance doesn't exist.

Turns out this is crucial for the promoted-builds plugin since at the configuration time there might not exist any promotion job.


git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@5600 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/Functions.java

@@ -456,7 +456,7 @@ public class Functions {
         for (Descriptor<T> b : list) {
             if (b instanceof BuildStepDescriptor) {
                 BuildStepDescriptor bsd = (BuildStepDescriptor) b;
-                if(bsd.isApplicable(project))
+                if(bsd.isApplicable(project.getClass()))
                     result.add(b);
             } else {
                 // old plugins built before 1.150 may not implement BuildStepDescriptor