fix LV2 state versioning with session-templates

diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 8343d3c0e5b651f29157b128378871c188191e6b..a163b879c72c2a96e7099ec90b82ef7d3d83d7ba 100644 (file)
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -1318,6 +1318,8 @@ LV2Plugin::add_state(XMLNode* root) const
        if (_has_state_interface) {
                // Provisionally increment state version and create directory
                const std::string new_dir = state_dir(++_state_version);
+               // and keep track of it (for templates & archive)
+               unsigned int saved_state = _state_version;;
                g_mkdir_with_parents(new_dir.c_str(), 0744);
 
                LilvState* state = lilv_state_new_from_instance(
@@ -1363,9 +1365,10 @@ LV2Plugin::add_state(XMLNode* root) const
                        lilv_state_free(state);
                        PBD::remove_directory(new_dir);
                        --_state_version;
+                       saved_state = _state_version;
                }
 
-               root->add_property("state-dir", string_compose("state%1", _state_version));
+               root->add_property("state-dir", string_compose("state%1", saved_state));
        }
 }