$ git clone -n https://src.fedoraproject.org/rpms/opencl-filesystem.git /var/lib/mock/f40-build-2265601-54613/root/chroot_tmpdir/scmroot/opencl-filesystem
Cloning into '/var/lib/mock/f40-build-2265601-54613/root/chroot_tmpdir/scmroot/opencl-filesystem'...
$ git fetch origin 6a2958fd41c59da83464f75906a0d9361e32af31:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opencl-filesystem
 * [new ref]         6a2958fd41c59da83464f75906a0d9361e32af31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a2958f Correct license to LicenseRef-Not-Copyrightable