def with_update_diff(rel, headers)
rel_id = rel.find("//osm/relation").first["id"].to_i
cs_id = rel.find("//osm/relation").first["changeset"].to_i
version = nil
with_controller(Api::ChangesetsController.new) do
def with_update_diff(rel, headers)
rel_id = rel.find("//osm/relation").first["id"].to_i
cs_id = rel.find("//osm/relation").first["changeset"].to_i
version = nil
with_controller(Api::ChangesetsController.new) do