Merge branch 'stable-2.6' into stable-2.7

* stable-2.6:
  Fix: NullPointerException of dashboard title
  Properly handle double click on external group in GroupTable
  Add plugin repositories section in the pom
  PrettyFormatter: Fix expand tab when syntax coloring is on.

gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/GroupTable.java

@@ -29,6 +29,7 @@ import com.google.gerrit.common.PageLinks;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.user.client.History;
+import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.ui.Anchor;
 import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
 import com.google.gwt.user.client.ui.HTMLTable.Cell;
@@ -77,7 +78,12 @@ public class GroupTable extends NavigationTable<GroupInfo> {
 
   @Override
   protected void onOpenRow(final int row) {
-    History.newItem(Dispatcher.toGroup(getRowItem(row).getGroupId()));
+    GroupInfo groupInfo = getRowItem(row);
+    if (isInteralGroup(groupInfo)) {
+      History.newItem(Dispatcher.toGroup(groupInfo.getGroupId()));
+    } else if (groupInfo.url() != null) {
+      Window.open(groupInfo.url(), "_self", null);
+    }
   }
 
   public void display(GroupMap groups, String toHighlight) {
@@ -108,7 +114,7 @@ public class GroupTable extends NavigationTable<GroupInfo> {
 
   void populate(final int row, final GroupInfo k, final String toHighlight) {
     if (k.url() != null) {
-      if (k.url().startsWith("#" + PageLinks.ADMIN_GROUPS)) {
+      if (isInteralGroup(k)) {
         table.setWidget(row, 1, new HighlightingInlineHyperlink(k.name(),
             Dispatcher.toGroup(k.getGroupId()), toHighlight));
       } else {
@@ -133,4 +139,9 @@ public class GroupTable extends NavigationTable<GroupInfo> {
 
     setRowItem(row, k);
   }
+
+  private boolean isInteralGroup(final GroupInfo groupInfo) {
+    return groupInfo != null
+        && groupInfo.url().startsWith("#" + PageLinks.ADMIN_GROUPS);
+  }
 }

gerrit-prettify/src/main/java/com/google/gerrit/prettify/client/ClientSideFormatter.java

@@ -60,13 +60,12 @@ public class ClientSideFormatter extends PrettyFormatter {
 
   @Override
   protected String prettify(String html, String type) {
-    return go(prettify.getContext(), html, type, diffPrefs.getTabSize());
+    return go(prettify.getContext(), html, type);
   }
 
   private static native String go(JavaScriptObject ctx, String srcText,
-      String srcType, int tabSize)
+      String srcType)
   /*-{
-     ctx.PR_TAB_WIDTH = tabSize;
      return ctx.prettyPrintOne(srcText, srcType);
   }-*/;
 }

gerrit-prettify/src/main/java/com/google/gerrit/prettify/client/PrettyFormatter.java

@@ -129,6 +129,7 @@ public abstract class PrettyFormatter implements SparseHtmlFile {
 
     String html = toHTML(src);
 
+    html = expandTabs(html);
     if (diffPrefs.isSyntaxHighlighting() && getFileType() != null
         && src.isWholeFile()) {
       // The prettify parsers don't like ' as an entity for the
@@ -149,8 +150,6 @@ public abstract class PrettyFormatter implements SparseHtmlFile {
       html = html.replaceAll("(\r)?\n", " $1\n");
       html = prettify(html, getFileType());
       html = html.replaceAll(" (\r)?\n", "$1\n");
-    } else {
-      html = expandTabs(html);
     }
 
     int pos = 0;

gerrit-server/src/main/java/com/google/gerrit/server/project/DashboardsCollection.java

@@ -160,7 +160,8 @@ class DashboardsCollection implements
     DashboardInfo info = new DashboardInfo(refName, path);
     info.project = project;
     info.definingProject = definingProject.getName();
-    info.title = replace(project, config.getString("dashboard", null, "title"));
+    String query = config.getString("dashboard", null, "title");
+    info.title = replace(project, query == null ? info.path : query);
     info.description = replace(project, config.getString("dashboard", null, "description"));
     info.foreach = config.getString("dashboard", null, "foreach");