(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)})
    (C {(require_strace_)} {(unlink)})
    (AndOr ops:[Op_DPipe] children:[(C {(touch)} {(a)} {(b)}) (C {(framework_failure_)})])
    (AndOr ops:[Op_DPipe] children:[(C {(ln)} {(b)} {(b2)}) (C {(framework_failure_)})])
    (AndOr
      ops: [Op_DPipe]
      children: [
        (SimpleCommand
          words: [{(strace)} {(-qe)} {(unlink)} {(mv)} {(a)} {(b)}]
          redirects: [
            (Redir op_id:Redir_Great fd:16777215 arg_word:{(out)} spids:[125])
            (Redir op_id:Redir_GreatAnd fd:2 arg_word:{(1)} spids:[129])
          ]
        )
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:fail) op:Equal rhs:{(1)} spids:[134])]
          spids: [134]
        )
      ]
    )
    (AndOr
      ops: [Op_DAmp]
      children: [
        (C {($ VSub_Name '$EGREP')} {(SQ <'unlink.*"b"'>)} {(out)})
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:fail) op:Equal rhs:{(1)} spids:[147])]
          spids: [147]
        )
      ]
    )
    (AndOr
      ops: [Op_DAmp]
      children: [
        (SimpleCommand
          words: [{(ls)} {(-dl)} {(a)}]
          redirects: [
            (Redir op_id:Redir_Great fd:16777215 arg_word:{(/dev/null)} spids:[160])
            (Redir op_id:Redir_GreatAnd fd:2 arg_word:{(1)} spids:[164])
          ]
        )
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:fail) op:Equal rhs:{(1)} spids:[169])]
          spids: [169]
        )
      ]
    )
    (AndOr
      ops: [Op_DPipe]
      children: [
        (Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (LhsName name:n_links)
              op: Equal
              rhs: 
                {
                  (CommandSubPart
                    command_list: 
                      (CommandList
                        children: [(C {(stat)} {(--printf) (Lit_Other '=') (Lit_Other '%') (h)} {(b)})]
                      )
                    left_token: <Left_CommandSub '$('>
                    spids: [177 186]
                  )
                }
              spids: [176]
            )
          ]
          spids: [176]
        )
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:fail) op:Equal rhs:{(1)} spids:[190])]
          spids: [190]
        )
      ]
    )
    (AndOr
      ops: [Op_DPipe]
      children: [
        (C {(test)} {(DQ ($ VSub_Name '$n_links'))} {(Lit_Other '=')} {(1)})
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:fail) op:Equal rhs:{(1)} spids:[205])]
          spids: [205]
        )
      ]
    )
    (C {(Exit)} {($ VSub_Name '$fail')})
  ]
)