$ git clone -n https://src.fedoraproject.org/rpms/kf6-bluez-qt.git /var/lib/mock/f41-build-837741-159376/root/chroot_tmpdir/scmroot/kf6-bluez-qt
Cloning into '/var/lib/mock/f41-build-837741-159376/root/chroot_tmpdir/scmroot/kf6-bluez-qt'...
$ git fetch origin c1d0a808fc9402865e6baf1cf5b023663edcc9c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-bluez-qt
 * [new ref]         c1d0a808fc9402865e6baf1cf5b023663edcc9c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1d0a80 6.5.0