$ git clone -n https://src.fedoraproject.org/rpms/python-pyswarms.git /var/lib/mock/f41-build-side-1-3085419-39084/root/chroot_tmpdir/scmroot/python-pyswarms
Cloning into '/var/lib/mock/f41-build-side-1-3085419-39084/root/chroot_tmpdir/scmroot/python-pyswarms'...
$ git fetch origin ec8cc75af51f0660074e7eb9efcbccb6955731f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyswarms
 * [new ref]         ec8cc75af51f0660074e7eb9efcbccb6955731f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec8cc75 Retired: https://pagure.io/releng/issue/12387