$ git clone -n https://src.fedoraproject.org/rpms/kf6-bluez-qt.git /var/lib/mock/f42-build-side-1-3582742-46886/root/chroot_tmpdir/scmroot/kf6-bluez-qt
Cloning into '/var/lib/mock/f42-build-side-1-3582742-46886/root/chroot_tmpdir/scmroot/kf6-bluez-qt'...
$ git fetch origin afccf2832e152ed67e3567c36b876fd14532af6b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-bluez-qt
 * [new ref]         afccf2832e152ed67e3567c36b876fd14532af6b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afccf28 6.16.0