$ git clone -n https://src.fedoraproject.org/rpms/python-slackclient.git /var/lib/mock/f45-build-32975-665/root/chroot_tmpdir/scmroot/python-slackclient
Cloning into '/var/lib/mock/f45-build-32975-665/root/chroot_tmpdir/scmroot/python-slackclient'...
$ git fetch origin 5fc5e401957ca31b4cc5308993e2ee48c9c60b02:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-slackclient
 * [new ref]         5fc5e401957ca31b4cc5308993e2ee48c9c60b02 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5fc5e40 3.44.1