$ git clone -n https://src.fedoraproject.org/rpms/qcoro.git /var/lib/mock/f45-build-33893-674/root/chroot_tmpdir/scmroot/qcoro
Cloning into '/var/lib/mock/f45-build-33893-674/root/chroot_tmpdir/scmroot/qcoro'...
$ git fetch origin ce4f6dae03f551f9e1b2f8d92738b19c52eebe3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qcoro
 * [new ref]         ce4f6dae03f551f9e1b2f8d92738b19c52eebe3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce4f6da Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild