$ git clone -n https://src.fedoraproject.org/rpms/python-flask-wtf.git /var/lib/mock/f45-build-30684-647/root/chroot_tmpdir/scmroot/python-flask-wtf
Cloning into '/var/lib/mock/f45-build-30684-647/root/chroot_tmpdir/scmroot/python-flask-wtf'...
$ git fetch origin a6e9e214f7b9cb593bfc49868a0b84c06ef4f4ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-flask-wtf
 * [new ref]         a6e9e214f7b9cb593bfc49868a0b84c06ef4f4ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6e9e21 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild