Don't show rollback or undo buttons for deleted revisions or revivions whose next...

diff --git a/includes/PageHistory.php b/includes/PageHistory.php
index 8bed073..bf018f2 100644 (file)
--- a/includes/PageHistory.php
+++ b/includes/PageHistory.php
@@ -264,7 +264,9 @@ class PageHistory {
 
                $tools = array();
 
-               if ( !is_null( $next ) && is_object( $next ) ) {
+               if ( !is_null( $next ) && is_object( $next ) &&
+                       !$rev->isDeleted( Revision::DELETED_TEXT ) &&
+                       !$next->rev_deleted & Revision::DELETED_TEXT ) {
                        if( !$this->mTitle->getUserPermissionsErrors( 'rollback', $wgUser )
                        && !$this->mTitle->getUserPermissionsErrors( 'edit', $wgUser )
                        && $latest ) {