$ git clone -n https://src.fedoraproject.org/rpms/HepMC3.git /var/lib/mock/f33-build-594390-66893/root/chroot_tmpdir/scmroot/HepMC3
Cloning into '/var/lib/mock/f33-build-594390-66893/root/chroot_tmpdir/scmroot/HepMC3'...
$ git reset --hard 60cb0d58a3512a8d40802854b660bcb098e33dba
HEAD is now at 60cb0d5 Rebuild for root 6.22.08