$ git clone -n https://src.fedoraproject.org/rpms/HepMC3.git /var/lib/mock/f33-build-149238-43232/root/chroot_tmpdir/scmroot/HepMC3
Cloning into '/var/lib/mock/f33-build-149238-43232/root/chroot_tmpdir/scmroot/HepMC3'...
$ git reset --hard 411be1785ad545012e870172fa334d98cd1cda3f
HEAD is now at 411be17 Upload source