$ git clone -n https://src.fedoraproject.org/rpms/python-sklearn-genetic.git /var/lib/mock/f39-build-2179800-51145/root/chroot_tmpdir/scmroot/python-sklearn-genetic
Cloning into '/var/lib/mock/f39-build-2179800-51145/root/chroot_tmpdir/scmroot/python-sklearn-genetic'...
$ git fetch origin 3fecd87fcc7d72fd9bd3ce54f66a5686d74d7e02:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sklearn-genetic
 * [new ref]         3fecd87fcc7d72fd9bd3ce54f66a5686d74d7e02 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fecd87 Update to a snapshot for numpy/sklearn compatibility