$ git clone -n https://src.fedoraproject.org/rpms/nfs-utils.git /var/lib/mock/f38-build-side-42-init-devel-628128-26370/root/chroot_tmpdir/scmroot/nfs-utils
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-628128-26370/root/chroot_tmpdir/scmroot/nfs-utils'...
$ git fetch origin fc09626a38eaa417aa099c31e78d1d0fd71107ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nfs-utils
 * [new ref]         fc09626a38eaa417aa099c31e78d1d0fd71107ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc09626 Updated to the latest RC release: nfs-utils-2-6-3-rc6 (bz 2160189)