$ git clone -n https://src.fedoraproject.org/rpms/bcm43xx-fwcutter.git /var/lib/mock/f41-build-side-1-2632298-25785/root/chroot_tmpdir/scmroot/bcm43xx-fwcutter
Cloning into '/var/lib/mock/f41-build-side-1-2632298-25785/root/chroot_tmpdir/scmroot/bcm43xx-fwcutter'...
$ git fetch origin 71081e985fe442dbfcae68bf20b30eec80bac683:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bcm43xx-fwcutter
 * [new ref]         71081e985fe442dbfcae68bf20b30eec80bac683 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71081e9 convert GPLv2+ license to SPDX