$ git clone -n https://src.fedoraproject.org/rpms/HepMC.git /var/lib/mock/f33-build-291396-54688/root/chroot_tmpdir/scmroot/HepMC
Cloning into '/var/lib/mock/f33-build-291396-54688/root/chroot_tmpdir/scmroot/HepMC'...
$ git reset --hard 9129a507a5420bb5a2142c93f2c9be85c31947aa
HEAD is now at 9129a50 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild