$ git clone -n https://src.fedoraproject.org/rpms/python-paperwork-backend.git /var/lib/mock/f41-build-side-1-2896137-34628/root/chroot_tmpdir/scmroot/python-paperwork-backend
Cloning into '/var/lib/mock/f41-build-side-1-2896137-34628/root/chroot_tmpdir/scmroot/python-paperwork-backend'...
$ git fetch origin 406b6bf79515e6ae7dfce886e9669d3f923e7f25:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-paperwork-backend
 * [new ref]         406b6bf79515e6ae7dfce886e9669d3f923e7f25 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 406b6bf Update to latest version (#2239267)