$ git clone -n https://src.fedoraproject.org/rpms/python-transforms3d /var/lib/mock/f41-build-side-1-3137697-39796/root/chroot_tmpdir/scmroot/python-transforms3d
Cloning into '/var/lib/mock/f41-build-side-1-3137697-39796/root/chroot_tmpdir/scmroot/python-transforms3d'...
$ git fetch origin 7bd75569a8d3cb13e050f1df44602492fae47691:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-transforms3d
 * [new ref]         7bd75569a8d3cb13e050f1df44602492fae47691 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7bd7556 Add Packit config