$ git clone -n https://src.fedoraproject.org/rpms/ed2k_hash.git /var/lib/mock/f41-build-841782-161404/root/chroot_tmpdir/scmroot/ed2k_hash
Cloning into '/var/lib/mock/f41-build-841782-161404/root/chroot_tmpdir/scmroot/ed2k_hash'...
$ git fetch origin 81a22d7cdcdc6e3d02f55afe3b24ecf7c60407b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ed2k_hash
 * [new ref]         81a22d7cdcdc6e3d02f55afe3b24ecf7c60407b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81a22d7 Switch to SPDX tag