X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/df11677afd55ef592330a05c43ed4baa81b60572..86b4d1bc2c05a68053c7485217144a7fcf8ef4e8:/app/models/way.rb?ds=inline

diff --git a/app/models/way.rb b/app/models/way.rb
index de69f7565..a6192e2d7 100644
--- a/app/models/way.rb
+++ b/app/models/way.rb
@@ -199,6 +199,8 @@ class Way < ActiveRecord::Base
   def update_from(new_way, user)
     if !new_way.preconditions_ok?
       raise OSM::APIPreconditionFailedError.new
+    elsif new_way.version != version
+      raise OSM::APIVersionMismatchError.new(new_way.version, version)
     else
       self.user_id = user.id
       self.tags = new_way.tags