(CommandList
  children: [
    (Sentence
      child: 
        (C {(.)} 
          {
            (DQ 
              (BracedVarSub
                token: <VSub_Name srcdir>
                suffix_op: (StringUnary op_id:VTest_Equals arg_word:{(.)})
                spids: [7 11]
              ) (/init.sh)
            )
          }
        )
      terminator: <Op_Semi ';'>
    )
    (C {(path_prepend_)} {(.)})
    (C {(test-getcwd)})
    (C {(Exit)} {($ VSub_QMark '$?')})
  ]
)