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diff --git a/Source/CTest/cmCTestSVN.h b/Source/CTest/cmCTestSVN.h
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+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2009 Kitware, Inc.
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+#ifndef cmCTestSVN_h
+#define cmCTestSVN_h
+
+#include "cmCTestGlobalVC.h"
+
+/** \class cmCTestSVN
+ * \brief Interaction with subversion command-line tool
+ *
+ */
+class cmCTestSVN: public cmCTestGlobalVC
+{
+public:
+  /** Construct with a CTest instance and update log stream.  */
+  cmCTestSVN(cmCTest* ctest, std::ostream& log);
+
+  virtual ~cmCTestSVN();
+
+private:
+  // Implement cmCTestVC internal API.
+  virtual void CleanupImpl();
+  virtual void NoteOldRevision();
+  virtual void NoteNewRevision();
+  virtual bool UpdateImpl();
+
+  bool RunSVNCommand(std::vector<char const*> const& parameters,
+    OutputParser* out, OutputParser* err);
+
+  // Information about an SVN repository (root repository or external)
+  struct SVNInfo {
+
+    SVNInfo(const char* path) : LocalPath(path) {}
+    // Remove base from the filename
+    std::string BuildLocalPath(std::string const& path) const;
+
+    // LocalPath relative to the main source directory.
+    std::string LocalPath;
+
+    // URL of repository directory checked out in the working tree.
+    std::string URL;
+
+    // URL of repository root directory.
+    std::string Root;
+
+    // Directory under repository root checked out in working tree.
+    std::string Base;
+
+    // Old and new repository revisions.
+    std::string OldRevision;
+    std::string NewRevision;
+
+  };
+
+  // Extended revision structure to include info about external it refers to.
+  struct Revision;
+  friend struct Revision;
+
+  // Info of all the repositories (root, externals and nested ones).
+  std::list<SVNInfo> Repositories;
+
+  // Pointer to the infos of the root repository.
+  SVNInfo* RootInfo;
+
+  std::string LoadInfo(SVNInfo& svninfo);
+  void LoadExternals();
+  void LoadModifications();
+  void LoadRevisions();
+  void LoadRevisions(SVNInfo& svninfo);
+
+  void GuessBase(SVNInfo &svninfo, std::vector<Change> const& changes);
+
+  void DoRevisionSVN(Revision const& revision,
+                     std::vector<Change> const& changes);
+
+  void WriteXMLGlobal(std::ostream& xml);
+
+  // Parsing helper classes.
+  class InfoParser;
+  class LogParser;
+  class StatusParser;
+  class UpdateParser;
+  class ExternalParser;
+  friend class InfoParser;
+  friend class LogParser;
+  friend class StatusParser;
+  friend class UpdateParser;
+  friend class ExternalParser;
+};
+
+#endif