$ git clone -n https://src.fedoraproject.org/rpms/python-dask.git /var/lib/mock/f39-build-1948043-43205/root/chroot_tmpdir/scmroot/python-dask
Cloning into '/var/lib/mock/f39-build-1948043-43205/root/chroot_tmpdir/scmroot/python-dask'...
$ git fetch origin 2b65f2877447d95fa4e9ea60a11d5f7285db757e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dask
 * [new ref]         2b65f2877447d95fa4e9ea60a11d5f7285db757e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b65f28 Update to latest version (#2252494)