$ git clone -n https://src.fedoraproject.org/rpms/python-dask.git /var/lib/mock/f40-build-753311-117190/root/chroot_tmpdir/scmroot/python-dask
Cloning into '/var/lib/mock/f40-build-753311-117190/root/chroot_tmpdir/scmroot/python-dask'...
$ git fetch origin 9934e1ad393b8b63167152b2fc7c8561319b947f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dask
 * [new ref]         9934e1ad393b8b63167152b2fc7c8561319b947f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9934e1a Fix test on s390x using Debian patch