(CommandList
  children: [
    (C {(set)} {(-e)})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:script_root)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: 
                  (CommandList
                    children: [(C {(dirname)} {(DQ (${ VSub_Name BASH_SOURCE))})]
                  )
                left_token: <Left_Backtick '`'>
                spids: [54 62]
              )
            }
          spids: [53]
        )
      ]
      spids: [53]
    )
    (C {(source)} {($ VSub_Name '$script_root') (/env.sh)})
    (C {(echo)} {(DQ ('Deleting guestbook replicationcontroller...'))})
    (C {($ VSub_Name '$KUBECTL')} {(delete)} {(replicationcontroller)} {(guestbook)})
    (C {(echo)} {(DQ ('Deleting guestbook service...'))})
    (C {($ VSub_Name '$KUBECTL')} {(delete)} {(service)} {(guestbook)})
  ]
)