040000 tree e644b3fcf7947d3ba590719a18f97f991578c0fd	linux-armel-stretch
040000 tree 72c0f9e87f615fc9c9465e83353063e857919fe0	linux-armhf-jessie
040000 tree 09924efbee1b17f610ad2a7a76d3e550b85a5651	linux-s390x-stretch