$ git clone -n https://src.fedoraproject.org/rpms/python-slackclient.git /var/lib/mock/f39-build-1649562-40467/root/chroot_tmpdir/scmroot/python-slackclient
Cloning into '/var/lib/mock/f39-build-1649562-40467/root/chroot_tmpdir/scmroot/python-slackclient'...
$ git fetch origin 37fa35b5d31403fe58ff8f92d102273b91e0a17a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-slackclient
 * [new ref]         37fa35b5d31403fe58ff8f92d102273b91e0a17a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37fa35b 3.23.0