From c0ef31d9b9816a81d00ae3f37625ff69e1be30ec Mon Sep 17 00:00:00 2001
From: Juergen Spitzmueller <spitz@lyx.org>
Date: Wed, 6 Dec 2017 09:11:18 +0100
Subject: [PATCH] Recreate citation label after paste

Fixes: #10829
(cherry picked from commit 7e34e659431691fd723e408010f90973c0a25b39)
---
 src/CutAndPaste.cpp        | 11 +++++++++++
 src/insets/InsetCitation.h |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/src/CutAndPaste.cpp b/src/CutAndPaste.cpp
index f611d59395..57a8313957 100644
--- a/src/CutAndPaste.cpp
+++ b/src/CutAndPaste.cpp
@@ -40,6 +40,7 @@
 
 #include "insets/InsetBibitem.h"
 #include "insets/InsetBranch.h"
+#include "insets/InsetCitation.h"
 #include "insets/InsetCommand.h"
 #include "insets/InsetFlex.h"
 #include "insets/InsetGraphics.h"
@@ -357,6 +358,16 @@ pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
 			break;
 		}
 
+		case CITE_CODE: {
+			InsetCitation & cit = static_cast<InsetCitation &>(*it);
+			// This actually only needs to be done if the cite engine
+			// differs, but we do it in general.
+			cit.redoLabel();
+			// We need to update the list of citations.
+			need_update = true;
+			break;
+		}
+
 		case BIBITEM_CODE: {
 			// check for duplicates
 			InsetBibitem & bib = static_cast<InsetBibitem &>(*it);
diff --git a/src/insets/InsetCitation.h b/src/insets/InsetCitation.h
index 992a85ee21..3e5e3baa35 100644
--- a/src/insets/InsetCitation.h
+++ b/src/insets/InsetCitation.h
@@ -82,6 +82,8 @@ public:
 	static bool isCompatibleCommand(std::string const &);
 	//@}
 	///
+	void redoLabel() { cache.recalculate = true; }
+	///
 	CitationStyle getCitationStyle(BufferParams const & bp, std::string const & input,
 				       std::vector<CitationStyle> const & valid_styles) const;
 	///