$ git clone -n https://src.fedoraproject.org/rpms/kf6-bluez-qt.git /var/lib/mock/f40-build-787172-134734/root/chroot_tmpdir/scmroot/kf6-bluez-qt
Cloning into '/var/lib/mock/f40-build-787172-134734/root/chroot_tmpdir/scmroot/kf6-bluez-qt'...
$ git fetch origin 716e04fba8b4ad3bf35f10cb2fadb890680d61db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-bluez-qt
 * [new ref]         716e04fba8b4ad3bf35f10cb2fadb890680d61db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 716e04f 6.0.0