Test if sources is present before copy classes in webapp.

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@113792 13f79535-47bb-0310-9956-ffa450edef68

war/plugin.jelly

@@ -121,12 +121,14 @@
       <!-- END OF TO BE REMOVED -->
     </j:forEach>            
 
-    <ant:copy todir="${webapp.build.classes}">
-      <ant:fileset dir="${maven.build.dest}">
-        <ant:include name="${maven.war.classes.includes}" />
-        <ant:exclude name="${maven.war.classes.excludes}" />
-      </ant:fileset>
-    </ant:copy>  
+    <j:if test="${sourcesPresent == 'true'}">
+      <ant:copy todir="${webapp.build.classes}">
+        <ant:fileset dir="${maven.build.dest}">
+          <ant:include name="${maven.war.classes.includes}" />
+          <ant:exclude name="${maven.war.classes.excludes}" />
+        </ant:fileset>
+      </ant:copy>
+    </j:if>
 
   </goal>