added a counter when deleting artifacts

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1401132 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/plugin/dependency/PurgeLocalRepositoryMojo.java b/src/main/java/org/apache/maven/plugin/dependency/PurgeLocalRepositoryMojo.java
index 9f1c46b..238d996 100644
--- a/src/main/java/org/apache/maven/plugin/dependency/PurgeLocalRepositoryMojo.java
+++ b/src/main/java/org/apache/maven/plugin/dependency/PurgeLocalRepositoryMojo.java
@@ -317,9 +317,11 @@
     private void purgeArtifacts( Set<Artifact> artifacts )
         throws MojoFailureException
     {
+        int i = 0;
         for ( Artifact artifact : artifacts )
         {
-            verbose( "Purging artifact: " + artifact.getId() );
+            i++;
+            verbose( "Purging artifact " + i + '/' + artifacts.size() + ": " + artifact.getId() );
 
             File deleteTarget = findDeleteTarget( artifact );