https://www.openstreetmap.org/way/1156406531/history has shop = building_material

shop=building_material ? Is it https://wiki.openstreetmap.org/wiki/Tag:shop=doityourself or https://wiki.openstreetmap.org/wiki/Tag:shop=trade + https://wiki.openstreetmap.org/wiki/Tag:trade%3Dbuilding_supplies ? If not, how it differs?