$ git clone -n https://src.fedoraproject.org/rpms/checksec.git /var/lib/mock/f41-build-side-1-2632990-25873/root/chroot_tmpdir/scmroot/checksec
Cloning into '/var/lib/mock/f41-build-side-1-2632990-25873/root/chroot_tmpdir/scmroot/checksec'...
$ git fetch origin b0855e1dd271c34b152bb131f595aa92bc18b4f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/checksec
 * [new ref]         b0855e1dd271c34b152bb131f595aa92bc18b4f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0855e1 convert license to SPDX