$ git clone -n https://src.fedoraproject.org/rpms/python-serpy.git /var/lib/mock/f42-build-3450935-45482/root/chroot_tmpdir/scmroot/python-serpy
Cloning into '/var/lib/mock/f42-build-3450935-45482/root/chroot_tmpdir/scmroot/python-serpy'...
$ git fetch origin 4737f8a846767277feacef68a1c7a30fe0129596:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-serpy
 * [new ref]         4737f8a846767277feacef68a1c7a30fe0129596 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4737f8a Orphaned for 6+ weeks