Ticket #8796: 8796.patch

src/org/openstreetmap/josm/actions/mapmode/ExtrudeAction.java

@@ -433 +433 @@
         Collection<Command> cmds = new LinkedList<Command>();
         Way wnew = new Way(selectedSegment.way);
         boolean wayWasModified = false;
+        boolean wayWasSingleSegment = wnew.getNodesCount() == 2;
         int insertionPoint = selectedSegment.lowerIndex + 1;
 
         //find if the new points overlap existing segments (in case of 90 degree angles)
@@ -472 +473 @@
         }
 
         //the way was a single segment, close the way
-        if (wnew.getNodesCount() == 4) {
+        if (wayWasSingleSegment) {
             wnew.addNode(selectedSegment.getFirstNode());
             wayWasModified = true;
         }