$ git clone -n https://src.fedoraproject.org/rpms/HepMC3.git /var/lib/mock/f31-build-113294-34373/root/chroot_tmpdir/scmroot/HepMC3
Cloning into '/var/lib/mock/f31-build-113294-34373/root/chroot_tmpdir/scmroot/HepMC3'...
$ git reset --hard ba69f110407089d2272cf0f8d0ec6529bf6be55f
HEAD is now at ba69f11 Update to version 3.1.2 Drop patches accepted upstream or previously backported