$ git clone -n https://src.fedoraproject.org/rpms/libnova.git /var/lib/mock/f31-build-59187-28552/root/chroot_tmpdir/scmroot/libnova
Cloning into '/var/lib/mock/f31-build-59187-28552/root/chroot_tmpdir/scmroot/libnova'...
$ git reset --hard f5f27c235d3968441edddb25b09eed88ad63b85c
HEAD is now at f5f27c2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild