(command.CommandList
  children: [
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: <Id.Lit_LBracket '['>
                      more_env: []
                      words: [
                        {<Id.Lit_LBracket '['>}
                        {($ Id.VSub_Pound '#')}
                        {<-eq>}
                        {<0>}
                        {<Id.Lit_RBracket ']'>}
                      ]
                      redirects: []
                      do_fork: T
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [
                {<echo>}
                {
                  (DQ <'Usage: '> 
                    (CommandSub
                      left_token: <Id.Left_Backtick '`'>
                      child: 
                        (command.Simple
                          blame_tok: <basename>
                          more_env: []
                          words: [{<basename>} {($ Id.VSub_Number 0)}]
                          redirects: []
                          do_fork: T
                        )
                      right: <Id.Backtick_Right '`'>
                    ) <' [MAKEVAR=value...] path...'>
                  )
                }
              ]
              redirects: [(Redir op:<Id.Redir_GreatAnd '1>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
              do_fork: T
            )
            (command.ControlFlow keyword:<Id.ControlFlow_Exit exit> arg_word:{<1>})
          ]
          spids: [125 138]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'SUBDIR='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'SUBDIR='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'SUBDIR='> name:SUBDIR)
          op: assign_op.Equal
          rhs: (rhs_word__Empty)
        )
      ]
      redirects: []
    )
    (command.ForEach
      keyword: <Id.KW_For for>
      iter_names: [i]
      iterable: (for_iter.Words words:[{(DQ ($ Id.VSub_At '@'))}])
      semi_tok: <Id.Op_Semi _>
      body: 
        (command.DoGroup
          left: <Id.KW_Do do>
          children: [
            (command.Case
              case_kw: <Id.KW_Case case>
              to_match: (case_arg.Word w:{(DQ ($ Id.VSub_DollarName i))})
              arms_start: <Id.KW_In in>
              arms: [
                (CaseArm
                  left: <Id.Lit_Star '*'>
                  pattern: 
                    (pat.Words
                      words: [{<Id.Lit_Star '*'> <Id.Lit_Equals '='> <Id.Lit_Star '*'>}]
                    )
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'MAKE_ARGS='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'MAKE_ARGS='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'MAKE_ARGS='> name:MAKE_ARGS)
                          op: assign_op.Equal
                          rhs: {(DQ ($ Id.VSub_DollarName MAKE_ARGS) <' '> ($ Id.VSub_DollarName i))}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Lit_Star '*'>
                  pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'SUBDIR='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'SUBDIR='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'SUBDIR='> name:SUBDIR)
                          op: assign_op.Equal
                          rhs: {(DQ ($ Id.VSub_DollarName SUBDIR) <' '> ($ Id.VSub_DollarName i))}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
              ]
              arms_end: <Id.KW_Esac esac>
              redirects: []
            )
          ]
          right: <Id.KW_Done done>
        )
      redirects: []
    )
    (command.Simple
      blame_tok: <make>
      more_env: []
      words: [
        {<make>}
        {<tinderbox>}
        {<Id.Lit_VarLike 'UNIVERSE_TARGET='> (DQ <'_cleanobj _obj everything'>)}
        {($ Id.VSub_DollarName MAKE_ARGS)}
        {<Id.Lit_VarLike 'SUBDIR_OVERRIDE='> (DQ ($ Id.VSub_DollarName SUBDIR))}
      ]
      redirects: []
      do_fork: T
    )
  ]
)