(command.CommandList
  children: [
    (command.If
      arms: [
        (if_arm
          cond: 
            (condition.Shell
              commands: [
                (C {<Id.Lit_LBracket '['>} {($ Id.VSub_Pound '$#')} {<-eq>} {<0>} {<Id.Lit_RBracket ']'>})
              ]
            )
          action: [
            (command.Simple
              words: [{<echo>} {(DQ <'Usage: [STAGE_NAME=...] more/test.sh ARCH COMMAND...'>)}]
              redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
              do_fork: T
            )
            (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
          ]
          spids: [8 20]
        )
      ]
    )
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (C {<.>} {<'sources/include.sh'>})
        (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
      ]
    )
    (command.AndOr
      ops: [Id.Op_DAmp]
      children: [
        (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_Number '$1'))} {<Id.KW_Bang '!'> <Id.Lit_Equals '='>} 
          {(DQ <host>)} {<Id.Lit_RBracket ']'>}
        )
        (command.Simple
          words: [{<load_target>} {(DQ ($ Id.VSub_Number '$1'))}]
          more_env: [(env_pair name:NO_CLEANUP val:{<1>} spids:[68])]
          do_fork: T
        )
      ]
    )
    (C {<shift>})
    (C {<eval>} {(DQ ($ Id.VSub_At '$@'))})
  ]
)