diff --git a/lib/images/vc-repo-synchro.png b/lib/images/vc-repo-synchro.png
new file mode 100644
index 0000000000..a43da6bba2
Binary files /dev/null and b/lib/images/vc-repo-synchro.png differ
diff --git a/lib/ui/stdtoolbars.inc b/lib/ui/stdtoolbars.inc
index 5f419edb15..5a1c1b897b 100644
--- a/lib/ui/stdtoolbars.inc
+++ b/lib/ui/stdtoolbars.inc
@@ -257,6 +257,8 @@ ToolbarSet
 		Item "Revert changes" "vc-revert"
 		Separator
 		Item "Use SVN file locking property" "vc-locking-toggle"
+		Separator
+		Item "Synchronize local directory with repository" "vc-repo-synchro"
 	End
 
 	Toolbar "math_panels" "Math Panels"
diff --git a/src/FuncCode.h b/src/FuncCode.h
index 2a1b7677d0..0f2859348e 100644
--- a/src/FuncCode.h
+++ b/src/FuncCode.h
@@ -228,7 +228,7 @@ enum FuncCode
 	LFUN_VC_COMMAND,
 	LFUN_VC_LOCKING_TOGGLE,
 	// 165
-	LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE, // ARRae 971202
+	LFUN_VC_REPO_SYNCHRO,
 	LFUN_BUFFER_CHKTEX,             // Asger 971030
 	LFUN_HYPERLINK_INSERT,          // CFO-G 971121
 	LFUN_WORD_FIND_FORWARD,         // Etienne 980216
@@ -442,6 +442,7 @@ enum FuncCode
 	LFUN_BUFFER_CLOSE_ALL,          // vfr 20090806
 	LFUN_GRAPHICS_RELOAD,           // vfr 20090810
 	LFUN_SCREEN_SHOW_CURSOR,        // vfr, 20090325
+	LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE, // ARRae 971202
 
 	LFUN_LASTACTION                 // end of the table
 };
diff --git a/src/LyXAction.cpp b/src/LyXAction.cpp
index 9bb658cb7c..d5f6e9dae7 100644
--- a/src/LyXAction.cpp
+++ b/src/LyXAction.cpp
@@ -2171,6 +2171,16 @@ void LyXAction::init()
  * \endvar
  */
 		{ LFUN_VC_LOCKING_TOGGLE, "vc-locking-toggle", ReadOnly, System },
+/*!
+ * \var lyx::FuncCode lyx::LFUN_VC_REPO_SYNCHRO
+ * \li Action: Synchronize the local archive directory in which resides
+               the current document with the repository.
+ * \li Notion: This is currently implemented only for SVN as revert + update operation.
+ * \li Syntax: vc-repo-synchro
+ * \li Origin: sanda, 16 Oct 2009
+ * \endvar
+ */
+		{ LFUN_VC_REPO_SYNCHRO, "vc-repo-synchro", ReadOnly, System },
 
 /*!
  * \var lyx::FuncCode lyx::LFUN_CHANGES_TRACK
diff --git a/src/LyXVC.cpp b/src/LyXVC.cpp
index a845554664..4acdd39972 100644
--- a/src/LyXVC.cpp
+++ b/src/LyXVC.cpp
@@ -170,6 +170,13 @@ string LyXVC::checkOut()
 }
 
 
+string LyXVC::repoSynchro()
+{
+	LYXERR(Debug::LYXVC, "LyXVC: repoSynchro");
+	return vcs->repoSynchro();
+}
+
+
 string LyXVC::lockingToggle()
 {
 	LYXERR(Debug::LYXVC, "LyXVC: toggle locking property");
diff --git a/src/LyXVC.h b/src/LyXVC.h
index 1d576f93d0..4285db7355 100644
--- a/src/LyXVC.h
+++ b/src/LyXVC.h
@@ -77,6 +77,11 @@ public:
 	/// Does the current VC supports this operation?
 	bool checkOutEnabled();
 
+	/// Synchronize the whole archive with repository
+	std::string repoSynchro();
+	/// Does the current VC supports this operation?
+	bool repoSynchroEnabled();
+
 	/**
 	 * Toggle locking property of the edited file,
 	 * i.e. whether the file uses locking mechanism.
diff --git a/src/VCBackend.cpp b/src/VCBackend.cpp
index 421a748451..6f6b60590e 100644
--- a/src/VCBackend.cpp
+++ b/src/VCBackend.cpp
@@ -204,6 +204,20 @@ bool RCS::checkOutEnabled()
 	return owner_ && owner_->isReadonly();
 }
 
+
+string RCS::repoSynchro()
+{
+	lyxerr << "Sorry, not implemented." << endl;
+	return string();
+}
+
+
+bool RCS::repoSynchroEnabled()
+{
+	return false;
+}
+
+
 string RCS::lockingToggle()
 {
 	lyxerr << "Sorry, not implemented." << endl;
@@ -379,6 +393,19 @@ bool CVS::checkOutEnabled()
 }
 
 
+string CVS::repoSynchro()
+{
+	lyxerr << "Sorry, not implemented." << endl;
+	return string();
+}
+
+
+bool CVS::repoSynchroEnabled()
+{
+	return false;
+}
+
+
 string CVS::lockingToggle()
 {
 	lyxerr << "Sorry, not implemented." << endl;
@@ -672,6 +699,55 @@ bool SVN::checkOutEnabled()
 }
 
 
+string SVN::repoSynchro()
+{
+	FileName tmpf = FileName::tempName("lyxvcout");
+	if (tmpf.empty()) {
+		LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
+		return N_("Error: Could not generate logfile.");
+	}
+
+	doVCCommand("svn diff " + quoteName(owner_->filePath())
+	+ " > " + quoteName(tmpf.toFilesystemEncoding()),
+	FileName(owner_->filePath()));
+	docstring res = tmpf.fileContents("UTF-8");
+	if (!res.empty()) {
+		LYXERR(Debug::LYXVC, "Diff detected:\n" << res);
+		docstring const file = from_utf8(owner_->filePath());
+		docstring text = bformat(_("There were detected changes"
+		                "in the working directory.\n"
+				"Synchronizing with repository will discard "
+				"any uncommitted changes in the directory:\n%1$s"
+				"\n\nContinue?"), file);
+		int const ret = frontend::Alert::prompt(_("Changes detected"),
+				text, 0, 1, _("&Yes"), _("&No"));
+		if (ret) {
+			tmpf.erase();
+			return string();
+		}
+	}
+
+	doVCCommand("svn revert -R " + quoteName(owner_->filePath())
+	+ " > " + quoteName(tmpf.toFilesystemEncoding()),
+	FileName(owner_->filePath()));
+	res = "Revert log:\n" + tmpf.fileContents("UTF-8");
+	doVCCommand("svn update " + quoteName(owner_->filePath())
+	+ " > " + quoteName(tmpf.toFilesystemEncoding()),
+	FileName(owner_->filePath()));
+	res += "Update log:\n" + tmpf.fileContents("UTF-8");
+
+	LYXERR(Debug::LYXVC, res);
+	tmpf.erase();
+	return to_utf8(res);
+}
+
+
+bool SVN::repoSynchroEnabled()
+{
+	return true;
+}
+
+
 string SVN::lockingToggle()
 {
 	FileName tmpf = FileName::tempName("lyxvcout");
diff --git a/src/VCBackend.h b/src/VCBackend.h
index 2a06631867..dc571d4aaf 100644
--- a/src/VCBackend.h
+++ b/src/VCBackend.h
@@ -43,6 +43,10 @@ public:
 	virtual std::string checkOut() = 0;
 	// can be this operation processed in the current RCS?
 	virtual bool checkOutEnabled() = 0;
+	/// synchronize with repository, returns log
+	virtual std::string repoSynchro() = 0;
+	// can be this operation processed in the current RCS?
+	virtual bool repoSynchroEnabled() = 0;
 	// toggle locking property of the file
 	virtual std::string lockingToggle() = 0;
 	// can be this operation processed in the current RCS?
@@ -131,6 +135,10 @@ public:
 
 	virtual bool checkOutEnabled();
 
+	virtual std::string repoSynchro();
+
+	virtual bool repoSynchroEnabled();
+
 	virtual std::string lockingToggle();
 
 	virtual bool lockingToggleEnabled();
@@ -174,6 +182,10 @@ public:
 
 	virtual bool checkOutEnabled();
 
+	virtual std::string repoSynchro();
+
+	virtual bool repoSynchroEnabled();
+
 	virtual std::string lockingToggle();
 
 	virtual bool lockingToggleEnabled();
@@ -220,6 +232,10 @@ public:
 
 	virtual bool checkOutEnabled();
 
+	virtual std::string repoSynchro();
+
+	virtual bool repoSynchroEnabled();
+
 	virtual std::string lockingToggle();
 
 	virtual bool lockingToggleEnabled();
diff --git a/src/frontends/qt4/GuiView.cpp b/src/frontends/qt4/GuiView.cpp
index 06d0ad1cca..02716fc4a6 100644
--- a/src/frontends/qt4/GuiView.cpp
+++ b/src/frontends/qt4/GuiView.cpp
@@ -1414,6 +1414,9 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
 	case LFUN_VC_UNDO_LAST:
 		enable = doc_buffer && doc_buffer->lyxvc().undoLastEnabled();
 		break;
+	case LFUN_VC_REPO_SYNCHRO:
+		enable = doc_buffer && doc_buffer->lyxvc().inUse();
+		break;
 	case LFUN_VC_COMMAND: {
 		if (cmd.argument().empty())
 			enable = false;
@@ -2334,6 +2337,15 @@ void GuiView::dispatchVC(FuncRequest const & cmd)
 		reloadBuffer();
 		break;
 
+	case LFUN_VC_REPO_SYNCHRO:
+		LASSERT(buffer, return);
+		if (ensureBufferClean(buffer)) {
+			string res = buffer->lyxvc().repoSynchro();
+			message(from_utf8(res));
+			reloadBuffer();
+		}
+		break;
+
 	case LFUN_VC_COMMAND: {
 		string flag = cmd.getArg(0);
 		if (buffer && contains(flag, 'R') && !ensureBufferClean(buffer))
@@ -2754,6 +2766,7 @@ bool GuiView::dispatch(FuncRequest const & cmd)
 		case LFUN_VC_REGISTER:
 		case LFUN_VC_CHECK_IN:
 		case LFUN_VC_CHECK_OUT:
+		case LFUN_VC_REPO_SYNCHRO:
 		case LFUN_VC_LOCKING_TOGGLE:
 		case LFUN_VC_REVERT:
 		case LFUN_VC_UNDO_LAST: