$ git clone -n https://src.fedoraproject.org/rpms/python-pyxdf.git /var/lib/mock/f40-build-2214333-52370/root/chroot_tmpdir/scmroot/python-pyxdf
Cloning into '/var/lib/mock/f40-build-2214333-52370/root/chroot_tmpdir/scmroot/python-pyxdf'...
$ git fetch origin df46b89883035ba53a42b4fc5417f8229e34f2e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyxdf
 * [new ref]         df46b89883035ba53a42b4fc5417f8229e34f2e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df46b89 Assert that %pyproject_files contains a license file