(command.CommandList
  children: [
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C {<.>} 
              {
                (DQ 
                  (braced_var_sub
                    token: <Id.VSub_Name srcdir>
                    suffix_op: (suffix_op.Unary tok:<Id.VTest_Equals '='> arg_word:{<.>})
                  ) <'/tests/init.sh'>
                )
              }
            )
          terminator: <Id.Op_Semi _>
        )
        (C {<path_prepend_>} {<'./src'>})
      ]
    )
    (C {<print_ver_>} {<mv>})
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [(C {<mkdir>} {<-p>} {<'a/t'>} {<'b/t'>}) (C {<framework_failure_>})]
    )
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [(C {<touch>} {<'a/t/f'>}) (C {<framework_failure_>})]
    )
    (command.AndOr
      ops: [Id.Op_DAmp]
      children: [
        (command.Simple
          words: [{<mv>} {<'b/t'>} {<a>}]
          redirects: [(redir op:<Id.Redir_Great '2>'> loc:(redir_loc.Fd fd:2) arg:{<out>})]
          do_fork: T
        )
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:fail)
              op: assign_op.Equal
              rhs: {<1>}
              spids: [111]
            )
          ]
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (command.Simple
              words: [{<sed>} {(SQ <'s/: File exists/: Directory not empty/'>)}]
              redirects: [
                (redir op:<Id.Redir_Less '<'> loc:(redir_loc.Fd fd:0) arg:{<out>})
                (redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<o1>})
              ]
              do_fork: T
            )
          terminator: <Id.Op_Semi _>
        )
        (C {<mv>} {<o1>} {<out>})
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (command.Simple
              words: [{<sed>} {(SQ <'s/: Device or resource busy/: Directory not empty/'>)}]
              redirects: [
                (redir op:<Id.Redir_Less '<'> loc:(redir_loc.Fd fd:0) arg:{<out>})
                (redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<o1>})
              ]
              do_fork: T
            )
          terminator: <Id.Op_Semi _>
        )
        (C {<mv>} {<o1>} {<out>})
      ]
    )
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (command.Simple
          words: [{<cat>}]
          redirects: [
            (redir
              op: <Id.Redir_DLess '<<'>
              loc: (redir_loc.Fd fd:0)
              arg: 
                (redir_param.HereDoc
                  here_begin: {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\E'>) <OF>}
                  here_end_span_id: 167
                  stdin_parts: [<'mv: cannot move \'b/t\' to \'a/t\': Directory not empty\n'>]
                )
            )
            (redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<exp>})
          ]
          do_fork: T
        )
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:fail)
              op: assign_op.Equal
              rhs: {<1>}
              spids: [163]
            )
          ]
        )
      ]
    )
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (C {<compare>} {<exp>} {<out>})
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:fail)
              op: assign_op.Equal
              rhs: {<1>}
              spids: [177]
            )
          ]
        )
      ]
    )
    (C {<Exit>} {($ Id.VSub_DollarName '$fail')})
  ]
)