X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FLyXVC.h;h=f0302eee6637e40f9a3ae4765f3d0b19ba29e5ef;hb=5320ce020673013167a23a4221e2762603889453;hp=0d9c826d5a66e8b96de209fc44fead55d369b631;hpb=7929cad343f7049245d04046b4d2b37b58cfb0c6;p=lyx.git

diff --git a/src/LyXVC.h b/src/LyXVC.h
index 0d9c826d5a..f0302eee66 100644
--- a/src/LyXVC.h
+++ b/src/LyXVC.h
@@ -110,8 +110,12 @@ public:
 	 * 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.
+	 * If RCS addressed by a single number, it is automatically used
+	 * as the last number in the whole revision specification (it applies
+	 * for retrieving normal revisions (rev>0) or backtracking (rev<0).
 	 */
-	bool prepareFileRevision(int rev, std::string & f);
+	bool prepareFileRevision(std::string const & rev, std::string & f);
 	/// Does the current VC supports this operation?
 	bool prepareFileRevisionEnabled();
 
@@ -143,6 +147,7 @@ public:
 
 	// type of the revision information
 	enum RevisionInfo {
+		Unknown = 0,
 		File = 1,
 		Tree = 2,
 		Author = 3,
@@ -155,7 +160,7 @@ public:
 	 * Its safe to call it regardless VCS is in usage or this
 	 * info is (un)available. Returns empty string in such a case.
 	 */
-	std::string revisionInfo(RevisionInfo const info);
+	std::string revisionInfo(RevisionInfo const info) const;
 
 private:
 	///