$ git clone -n https://src.fedoraproject.org/rpms/packETH.git /var/lib/mock/f41-build-side-1-2650300-27578/root/chroot_tmpdir/scmroot/packETH
Cloning into '/var/lib/mock/f41-build-side-1-2650300-27578/root/chroot_tmpdir/scmroot/packETH'...
$ git fetch origin 29b251a2b4eb65a48a79493f46e2f6c7ae14554f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/packETH
 * [new ref]         29b251a2b4eb65a48a79493f46e2f6c7ae14554f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29b251a convert GPLv2+ license to SPDX