Merge remote-tracking branch 'origin/development' into master

Author: maybeec

task-unzip/src/com/github/maybeec/oomph/task/unzip/impl/unzipTaskImpl.java

@@ -91,6 +91,8 @@ public class unzipTaskImpl extends SetupTaskImpl implements unzipTask
    */
   protected int priority = PRIORITY_EDEFAULT;
 
+  private boolean isNeeded = true;
+
   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
@@ -300,14 +302,15 @@ public String toString()
 
   public boolean isNeeded(SetupTaskContext context) throws Exception
   {
-    return true;
+    return isNeeded;
   }
 
   public void perform(SetupTaskContext context) throws Exception
   {
     SetupTaskLogger.getLogger().setContext(context);
     UnzipUtil unzipUtil = UnzipUtil.getInstance();
     unzipUtil.unzip(zipFile, destinationDir);
+    isNeeded = false;
   }
 
   @Override