$ git clone -n https://src.fedoraproject.org/rpms/bcal.git /var/lib/mock/f31-build-75579-31247/root/chroot_tmpdir/scmroot/bcal
Cloning into '/var/lib/mock/f31-build-75579-31247/root/chroot_tmpdir/scmroot/bcal'...
$ git reset --hard f4109a2ba906b8d21c5d0e0daca811ee08404840
HEAD is now at f4109a2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild