$ git clone -n https://src.fedoraproject.org/rpms/kf6-bluez-qt.git /var/lib/mock/f42-build-side-1-3500303-45970/root/chroot_tmpdir/scmroot/kf6-bluez-qt
Cloning into '/var/lib/mock/f42-build-side-1-3500303-45970/root/chroot_tmpdir/scmroot/kf6-bluez-qt'...
$ git fetch origin 862b0e5d14ae47a0e681d07d774456be1af1ae94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-bluez-qt
 * [new ref]         862b0e5d14ae47a0e681d07d774456be1af1ae94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 862b0e5 6.13.0