$ git clone -n https://src.fedoraproject.org/rpms/dhcp-forwarder.git /var/lib/mock/f41-build-side-1-2634039-25995/root/chroot_tmpdir/scmroot/dhcp-forwarder
Cloning into '/var/lib/mock/f41-build-side-1-2634039-25995/root/chroot_tmpdir/scmroot/dhcp-forwarder'...
$ git fetch origin 7104f4c5c11ab54874852f103fb38e4a72cd47ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dhcp-forwarder
 * [new ref]         7104f4c5c11ab54874852f103fb38e4a72cd47ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7104f4c convert license to SPDX