(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_)} {(groups)})
    (C {(require_built_)} {(groups)})
    (AndOr
      ops: [Op_DPipe]
      children: [
        (Pipeline
          children: [
            (C {(groups)} {(--version)})
            (SimpleCommand
              words: [{(sed)} {(SQ <'s/^groups/id/; /^$/q'>)}]
              redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(out)} spids:[81])]
            )
          ]
          negated: F
        )
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:fail) op:Equal rhs:{(1)} spids:[87])]
          spids: [87]
        )
      ]
    )
    (AndOr
      ops: [Op_DPipe]
      children: [
        (Pipeline
          children: [
            (C {(id)} {(--version)})
            (SimpleCommand
              words: [{(sed)} {(SQ <'/^$/q'>)}]
              redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(exp)} spids:[102])]
            )
          ]
          negated: F
        )
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:fail) op:Equal rhs:{(1)} spids:[108])]
          spids: [108]
        )
      ]
    )
    (AndOr
      ops: [Op_DPipe]
      children: [
        (C {(compare)} {(exp)} {(out)})
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:fail) op:Equal rhs:{(1)} spids:[120])]
          spids: [120]
        )
      ]
    )
    (C {(Exit)} {($ VSub_Name '$fail')})
  ]
)