improve creation of git repositories

scm-core/src/main/java/sonia/scm/util/Util.java

@@ -142,6 +142,21 @@ public class Util
     return formatDate(date, null);
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param value
+   *
+   * @return
+   */
+  public static String nonNull(String value)
+  {
+    return (value != null)
+           ? value
+           : "";
+  }
+
   /**
    * Method description
    *