(command.CommandList
  children: [
    (C {<set>} {<-o>} {<errexit>})
    (C {<set>} {<-o>} {<nounset>})
    (C {<set>} {<-o>} {<pipefail>})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:KUBE_ROOT)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_DollarParen '$('>
                child: (C {<dirname>} {(DQ (${ Id.VSub_Name BASH_SOURCE))})
              ) <'/..'>
            }
          spids: [63]
        )
      ]
    )
    (C {<source>} {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/cluster/kube-util.sh'>)})
    (C {<source>} {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/federation/cluster/common.sh'>)})
    (C {<Id.Lit_Colon ':'>} 
      {
        (DQ 
          (braced_var_sub
            token: <Id.VSub_Name FEDERATION_HOST_CLUSTER_ZONE>
            suffix_op: 
              (suffix_op.Unary
                tok: <Id.VTest_QMark '?'>
                arg_word: {<'Must set FEDERATION_HOST_CLUSTER_ZONE env var'>}
              )
          )
        )
      }
    )
    (command.Subshell
      child: 
        (command.CommandList
          children: [
            (C {<set-federation-zone-vars>} {(DQ (${ Id.VSub_Name FEDERATION_HOST_CLUSTER_ZONE))})
            (C {<export>} {<FEDERATION_KUBE_CONTEXT>})
            (C {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/hack/ginkgo-e2e.sh'>)} {($ Id.VSub_At '$@')})
          ]
        )
    )
  ]
)