$ git clone -n https://src.fedoraproject.org/rpms/qtlockedfile.git /var/lib/mock/f45-build-34187-680/root/chroot_tmpdir/scmroot/qtlockedfile
Cloning into '/var/lib/mock/f45-build-34187-680/root/chroot_tmpdir/scmroot/qtlockedfile'...
$ git fetch origin c0b2fd08dda3ceca0c4a15b8b31daff7ad075668:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qtlockedfile
 * [new ref]         c0b2fd08dda3ceca0c4a15b8b31daff7ad075668 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0b2fd0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild