$ git clone -n https://src.fedoraproject.org/rpms/kblackbox.git /var/lib/mock/f31-build-113261-34363/root/chroot_tmpdir/scmroot/kblackbox
Cloning into '/var/lib/mock/f31-build-113261-34363/root/chroot_tmpdir/scmroot/kblackbox'...
$ git reset --hard 5452141ada87a245894842ea36ca1af4c6b49bbd
HEAD is now at 5452141 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild