(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_)} {(cat)})
    (C {(mkfifo_or_skip_)} {(fifo)})
    (SimpleCommand
      words: [{(echo)} {(1)}]
      redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(exp)} spids:[90])]
    )
    (FuncDef
      name: cat_buf_1
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_Local
              pairs: [
                (assign_pair
                  lhs: (LhsName name:delay)
                  op: Equal
                  rhs: {(DQ ($ VSub_Number '$1'))}
                  spids: [104]
                )
              ]
              spids: [102]
            )
            (Sentence
              child: 
                (SimpleCommand
                  words: [{(dd)} {(Lit_VarLike 'count=') (1)} {(Lit_VarLike 'if=') (fifo)}]
                  redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(out)} spids:[119])]
                )
              terminator: <Op_Amp '&'>
            )
            (Pipeline
              children: [
                (Subshell
                  child: 
                    (CommandList
                      children: [
                        (Sentence
                          child: (C {(echo)} {(1)})
                          terminator: <Op_Semi ';'>
                        )
                        (Sentence
                          child: (C {(sleep)} {($ VSub_Name '$delay')})
                          terminator: <Op_Semi ';'>
                        )
                        (C {(echo)} {(2)})
                      ]
                    )
                  spids: [126 140]
                )
                (SimpleCommand
                  words: [{(cat)} {(-v)}]
                  redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(fifo)} spids:[148])]
                )
              ]
              negated: F
            )
            (C {(wait)})
            (C {(compare)} {(exp)} {(out)})
          ]
          spids: [99]
        )
      spids: [95 98]
    )
    (AndOr
      ops: [Op_DPipe]
      children: [
        (C {(retry_delay_)} {(cat_buf_1)} {(.1)} {(6)})
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:fail) op:Equal rhs:{(1)} spids:[178])]
          spids: [178]
        )
      ]
    )
    (C {(Exit)} {($ VSub_Name '$fail')})
  ]
)