$ git clone -n https://src.fedoraproject.org/rpms/libmpeg2.git /var/lib/mock/f33-build-292800-54983/root/chroot_tmpdir/scmroot/libmpeg2
Cloning into '/var/lib/mock/f33-build-292800-54983/root/chroot_tmpdir/scmroot/libmpeg2'...
$ git reset --hard 5a6547f820662abb942252c4639f3686c59cbd7c
HEAD is now at 5a6547f - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild