$ git clone -n https://src.fedoraproject.org/rpms/libndn-cxx.git /var/lib/mock/f31-build-62137-29041/root/thebuilddir/tmp/scmroot/libndn-cxx
Cloning into '/var/lib/mock/f31-build-62137-29041/root/thebuilddir/tmp/scmroot/libndn-cxx'...
$ git reset --hard e8529dee094b574fcc67441fef7e10f9c99e8776
HEAD is now at e8529de Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild