$ git clone -n https://src.fedoraproject.org/rpms/python-tornado.git /var/lib/mock/f31-build-47505-26886/root/chroot_tmpdir/scmroot/python-tornado
Cloning into '/var/lib/mock/f31-build-47505-26886/root/chroot_tmpdir/scmroot/python-tornado'...
$ git reset --hard 86d1ca893a5bee4c8bebc1553f3ef139cba8f16a
HEAD is now at 86d1ca8 Update to 6.0.2 (#1600318)