$ git clone -n https://src.fedoraproject.org/rpms/python-django-rq.git /var/lib/mock/f45-build-30385-644/root/chroot_tmpdir/scmroot/python-django-rq
Cloning into '/var/lib/mock/f45-build-30385-644/root/chroot_tmpdir/scmroot/python-django-rq'...
$ git fetch origin ddef70b7f6fa46f50ddca303417624099515e0d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-django-rq
 * [new ref]         ddef70b7f6fa46f50ddca303417624099515e0d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddef70b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild