$ git clone -n https://src.fedoraproject.org/rpms/mod_qos.git /var/lib/mock/f45-build-19069-540/root/chroot_tmpdir/scmroot/mod_qos
Cloning into '/var/lib/mock/f45-build-19069-540/root/chroot_tmpdir/scmroot/mod_qos'...
$ git fetch origin 2a04ba8f95bae10857a29be2b2fe1d7f77640c25:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mod_qos
 * [new ref]         2a04ba8f95bae10857a29be2b2fe1d7f77640c25 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a04ba8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild