$ git clone -n https://src.fedoraproject.org/rpms/python-pyngus.git /var/lib/mock/f45-build-32317-659/root/chroot_tmpdir/scmroot/python-pyngus
Cloning into '/var/lib/mock/f45-build-32317-659/root/chroot_tmpdir/scmroot/python-pyngus'...
$ git fetch origin 6b5fc749d0a16ad73bbeb0a0bdeb101287f9a38f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyngus
 * [new ref]         6b5fc749d0a16ad73bbeb0a0bdeb101287f9a38f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b5fc74 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild