(CommandList
  children: [
    (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 '$?')})
  ]
)