(CommandList
  children: [
    (Sentence
      child: 
        (C {(.)} 
          {
            (DQ 
              (BracedVarSub
                token: <VSub_Name srcdir>
                suffix_op: (StringUnary op_id:VTest_Equals arg_word:{(.)})
                spids: [47 51]
              ) (/tests/init.sh)
            )
          }
        )
      terminator: <Op_Semi ';'>
    )
    (C {(path_prepend_)} {(./src)})
    (C {(print_ver_)} {(mv)})
    (AndOr ops:[Op_DPipe] children:[(C {(mkdir)} {(a)}) (C {(framework_failure_)})])
    (AndOr ops:[Op_DPipe] children:[(C {(touch)} {(b)}) (C {(framework_failure_)})])
    (AndOr
      ops: [Op_DPipe]
      children: [
        (Pipeline
          children: [
            (C {(echo)} {(n)})
            (SimpleCommand
              words: [{(mv)} {(-i)} {(a)} {(b)}]
              redirects: [(Redir op_id:Redir_Great fd:2 arg_word:{(/dev/null)} spids:[100])]
            )
          ]
          negated: F
        )
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:fail) op:Equal rhs:{(1)} spids:[105])]
          spids: [105]
        )
      ]
    )
    (C {(Exit)} {($ VSub_Name '$fail')})
  ]
)