$ git clone -n https://src.fedoraproject.org/rpms/HepMC3.git /var/lib/mock/f40-build-746396-112597/root/chroot_tmpdir/scmroot/HepMC3
Cloning into '/var/lib/mock/f40-build-746396-112597/root/chroot_tmpdir/scmroot/HepMC3'...
$ git fetch origin 516cbf87fe38f68614d4281fba2d229a95fa690c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/HepMC3
 * [new ref]         516cbf87fe38f68614d4281fba2d229a95fa690c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 516cbf8 Fix compilation with Python 3.13.0a1 (rhbz#2245854)