From bcc07ce5fce539b83fb2469073ed609c75ea9709 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Mon, 18 Jan 2021 13:03:47 +0100
Subject: [PATCH] Add CPL::unset_version_number().

---
 src/cpl.cc | 7 +++++++
 src/cpl.h  | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/src/cpl.cc b/src/cpl.cc
index 1775183d..76f6002b 100644
--- a/src/cpl.cc
+++ b/src/cpl.cc
@@ -656,6 +656,13 @@ CPL::set_version_number (int v)
 }
 
 
+void
+CPL::unset_version_number ()
+{
+	_version_number = boost::none;
+}
+
+
 void
 CPL::set_content_versions (vector<ContentVersion> v)
 {
diff --git a/src/cpl.h b/src/cpl.h
index 06b59bd8..d96181e5 100644
--- a/src/cpl.h
+++ b/src/cpl.h
@@ -201,6 +201,8 @@ public:
 
 	void set_version_number (int v);
 
+	void unset_version_number ();
+
 	boost::optional<Status> status () const {
 		return _status;
 	}
-- 
2.30.2