Make <depend> less verbose if it doesn't do anything.

PR: 27540
Submitted by:	Rob Oxspring <roxspring at imapmail dot org>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276202 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/optional/depend/Depend.java

@@ -632,8 +632,16 @@ public class Depend extends MatchingTask {
             int count = deleteAllAffectedFiles();
 
             long duration = (System.currentTimeMillis() - start) / 1000;
+            
+            final int summaryLogLevel;
+            if(count>0) {
+                summaryLogLevel = Project.MSG_INFO;
+            }  else {
+                summaryLogLevel = Project.MSG_DEBUG;
+            }
+            
             log("Deleted " + count + " out of date files in "
-                + duration + " seconds");
+                + duration + " seconds", summaryLogLevel);
         } catch (Exception e) {
             throw new BuildException(e);
         }