add eclipse:clean goal. Use in unit tests!

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@115942 13f79535-47bb-0310-9956-ffa450edef68

eclipse/plugin.jelly

@@ -224,5 +224,19 @@
       <j:otherwise>The property $${maven.eclipse.workspace} was not set. MAVEN_REPO may not be set.</j:otherwise>
     </j:choose>
   </goal>
+  
+  <!--==================================================================-->
+  <!-- Clean up eclipse generated files                                 -->
+  <!--==================================================================-->
+  <goal name="eclipse:clean" 
+    description="Clean eclipse generated files">
+    <j:set var="projectFileName" value="${basedir}/.project"/>
+    <j:set var="classpathFileName" value="${basedir}/.classpath"/>
+
+    <ant:delete file="${projectFileName}"/>
+    <ant:delete file="${classpathFileName}"/>
+
+    <ant:echo>Cleaned up eclipse generated files</ant:echo>
+  </goal>  
 
 </project>