$ git clone -n https://src.fedoraproject.org/rpms/btbuilder.git /var/lib/mock/f33-build-231461-50270/root/chroot_tmpdir/scmroot/btbuilder
Cloning into '/var/lib/mock/f33-build-231461-50270/root/chroot_tmpdir/scmroot/btbuilder'...
$ git reset --hard 604140f40efd2b3354ed8e7eb94a056f80de49ac
HEAD is now at 604140f Rebuilt for Boost 1.73