X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FLyXVC.h;h=8cd2d8929827b63492cedbb86533d089af555a83;hb=b6846bdace3bb9e8619faeea2a0921d7664c3a61;hp=92db82c52c1571d7f33e03e7cc5ab43b00a5e3f9;hpb=f26f9900761baa5913bc05a1afbf21d97b5e2143;p=lyx.git

diff --git a/src/LyXVC.h b/src/LyXVC.h
index 92db82c52c..8cd2d89298 100644
--- a/src/LyXVC.h
+++ b/src/LyXVC.h
@@ -104,6 +104,17 @@ public:
 	void undoLast();
 	/// Does the current VC supports this operation?
 	bool undoLastEnabled() const;
+	/**
+	 * Prepare revision rev of the file into newly created temporary file
+	 * and save the filename into parameter f.
+	 * Parameter rev can be either revision number or negative number
+	 * which is interpreted as how many revision back from the current
+	 * one do we want. rev=0 is reserved for the last (committed) revision.
+	 * We need rev to be string, since in various VCS revision is not integer.
+	 */
+	bool prepareFileRevision(std::string const & rev, std::string & f);
+	/// Does the current VC supports this operation?
+	bool prepareFileRevisionEnabled();
 
 	/**
 	 * Generate a log file and return the filename.