fix npe for mercurial repository hooks

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/HgChangesetViewer.java

@@ -39,6 +39,7 @@ import sonia.scm.util.Util;
 
 //~--- JDK imports ------------------------------------------------------------
 
+import java.io.File;
 import java.io.IOException;
 
 import java.util.HashMap;
@@ -71,6 +72,22 @@ public class HgChangesetViewer extends AbstractHgHandler
 
   //~--- constructors ---------------------------------------------------------
 
+  /**
+   * Constructs ...
+   *
+   *
+   * @param handler
+   * @param changesetPagingResultContext
+   * @param context
+   * @param repositoryDirectory
+   */
+  public HgChangesetViewer(HgRepositoryHandler handler,
+                           JAXBContext changesetPagingResultContext,
+                           HgContext context, File repositoryDirectory)
+  {
+    super(handler, changesetPagingResultContext, context, repositoryDirectory);
+  }
+
   /**
    * Constructs ...
    *

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/HgRepositoryHandler.java

@@ -337,8 +337,8 @@ public class HgRepositoryHandler
       throw new IllegalStateException("directory not found");
     }
 
-    return new HgChangesetViewer(this, changesetPagingResultContext, null,
-                                 null);
+    return new HgChangesetViewer(this, changesetPagingResultContext,
+                                 hgContextProvider.get(), repositoryDirectory);
   }
 
   //~--- methods --------------------------------------------------------------