$ git clone -n https://src.fedoraproject.org/rpms/kf5-bluez-qt.git /var/lib/mock/f39-build-1494973-34543/root/chroot_tmpdir/scmroot/kf5-bluez-qt
Cloning into '/var/lib/mock/f39-build-1494973-34543/root/chroot_tmpdir/scmroot/kf5-bluez-qt'...
$ git fetch origin 56dd1b67ea964543a30fb8de1ad2d46efba95554:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-bluez-qt
 * [new ref]         56dd1b67ea964543a30fb8de1ad2d46efba95554 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56dd1b6 5.111.0